diff options
Diffstat (limited to 'Xext')
46 files changed, 24880 insertions, 0 deletions
diff --git a/Xext/Makefile.am b/Xext/Makefile.am new file mode 100644 index 0000000..b6c95cb --- /dev/null +++ b/Xext/Makefile.am @@ -0,0 +1,140 @@ +# libXext.la: includes all extensions and should be linked into Xvfb, +# Xnest, Xdmx and Xprt +# libXextbuiltin.la: includes those extensions that are built directly into +# Xorg by default +# libXextmodule.la: includes those extensions that are built into a module +# that Xorg loads +if XORG +noinst_LTLIBRARIES = libXext.la libXextbuiltin.la libXextmodule.la +else +noinst_LTLIBRARIES = libXext.la +endif + +INCLUDES = -I$(top_srcdir)/hw/xfree86/dixmods/extmod + +AM_CFLAGS = $(DIX_CFLAGS) + +if XORG +sdk_HEADERS = xvdix.h xvmcext.h geext.h geint.h shmint.h syncsdk.h +endif + +# Sources always included in libXextbuiltin.la & libXext.la +BUILTIN_SRCS = \ + bigreq.c \ + geext.c \ + shape.c \ + sleepuntil.c \ + sleepuntil.h \ + sync.c \ + syncsdk.h \ + syncsrv.h \ + xcmisc.c \ + xtest.c + +# Sources always included in libXextmodule.la & libXext.la. That's right, zero. +MODULE_SRCS = +MODULE_LIBS = + +# Optional sources included if extension enabled by configure.ac rules + +# MIT Shared Memory extension +MITSHM_SRCS = shm.c shmint.h +if MITSHM +BUILTIN_SRCS += $(MITSHM_SRCS) +endif + +# XVideo extension +XV_SRCS = xvmain.c xvdisp.c xvmc.c xvdix.h xvmcext.h xvdisp.h +if XV +MODULE_SRCS += $(XV_SRCS) +endif + +# XResource extension: lets clients get data about per-client resource usage +RES_SRCS = xres.c +if RES +MODULE_SRCS += $(RES_SRCS) +endif + +# MIT ScreenSaver extension +SCREENSAVER_SRCS = saver.c +if SCREENSAVER +MODULE_SRCS += $(SCREENSAVER_SRCS) +endif + +# Xinerama extension: making multiple video devices act as one virtual screen +XINERAMA_SRCS = panoramiX.c panoramiX.h panoramiXh.h panoramiXsrv.h panoramiXprocs.c panoramiXSwap.c +if XINERAMA +BUILTIN_SRCS += $(XINERAMA_SRCS) +if XORG +sdk_HEADERS += panoramiXsrv.h panoramiX.h +endif +endif + +# X-ACE extension: provides hooks for building security policy extensions +# like XC-Security, X-SELinux & XTSol +XACE_SRCS = xace.c xace.h xacestr.h +if XACE +BUILTIN_SRCS += $(XACE_SRCS) +if XORG +sdk_HEADERS += xace.h xacestr.h +endif +endif + +# SELinux extension: provides SELinux policy support for X objects +# requires X-ACE extension +XSELINUX_SRCS = xselinux_ext.c xselinux_hooks.c xselinux_label.c xselinux.h xselinuxint.h +if XSELINUX +MODULE_SRCS += $(XSELINUX_SRCS) +MODULE_LIBS += $(SELINUX_LIBS) +endif + +# Security extension: multi-level security to protect clients from each other +XCSECURITY_SRCS = security.c securitysrv.h +if XCSECURITY +BUILTIN_SRCS += $(XCSECURITY_SRCS) +endif + +XCALIBRATE_SRCS = xcalibrate.c +if XCALIBRATE +BUILTIN_SRCS += $(XCALIBRATE_SRCS) +# XCalibrate needs tslib +endif + +# XF86 Big Font extension +BIGFONT_SRCS = xf86bigfont.c xf86bigfontsrv.h +if XF86BIGFONT +BUILTIN_SRCS += $(BIGFONT_SRCS) +endif + +# DPMS extension +DPMS_SRCS = dpms.c dpmsproc.h +if DPMSExtension +MODULE_SRCS += $(DPMS_SRCS) +endif + +# Now take all of the above, mix well, bake for 10 minutes and get libXext*.la + +libXext_la_SOURCES = $(BUILTIN_SRCS) $(MODULE_SRCS) +libXext_la_LIBADD = $(MODULE_LIBS) + +if XORG +libXextbuiltin_la_SOURCES = $(BUILTIN_SRCS) + +libXextmodule_la_SOURCES = $(MODULE_SRCS) +libXextmodule_la_LIBADD = $(MODULE_LIBS) +endif + +EXTRA_DIST = \ + $(MITSHM_SRCS) \ + $(XV_SRCS) \ + $(RES_SRCS) \ + $(SCREENSAVER_SRCS) \ + $(XACE_SRCS) \ + $(XCSECURITY_SRCS) \ + $(XSELINUX_SRCS) \ + $(XCALIBRATE_SRCS) \ + $(XINERAMA_SRCS) \ + $(BIGFONT_SRCS) \ + $(DPMS_SRCS) \ + $(GE_SRCS) + diff --git a/Xext/Makefile.in b/Xext/Makefile.in new file mode 100644 index 0000000..b9e63d2 --- /dev/null +++ b/Xext/Makefile.in @@ -0,0 +1,930 @@ +# Makefile.in generated by automake 1.11.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, +# Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + + +VPATH = @srcdir@ +pkgdatadir = $(datadir)/@PACKAGE@ +pkgincludedir = $(includedir)/@PACKAGE@ +pkglibdir = $(libdir)/@PACKAGE@ +pkglibexecdir = $(libexecdir)/@PACKAGE@ +am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd +install_sh_DATA = $(install_sh) -c -m 644 +install_sh_PROGRAM = $(install_sh) -c +install_sh_SCRIPT = $(install_sh) -c +INSTALL_HEADER = $(INSTALL_DATA) +transform = $(program_transform_name) +NORMAL_INSTALL = : +PRE_INSTALL = : +POST_INSTALL = : +NORMAL_UNINSTALL = : +PRE_UNINSTALL = : +POST_UNINSTALL = : +build_triplet = @build@ +host_triplet = @host@ +@MITSHM_TRUE@am__append_1 = $(MITSHM_SRCS) +@XV_TRUE@am__append_2 = $(XV_SRCS) +@RES_TRUE@am__append_3 = $(RES_SRCS) +@SCREENSAVER_TRUE@am__append_4 = $(SCREENSAVER_SRCS) +@XINERAMA_TRUE@am__append_5 = $(XINERAMA_SRCS) +@XINERAMA_TRUE@@XORG_TRUE@am__append_6 = panoramiXsrv.h panoramiX.h +@XACE_TRUE@am__append_7 = $(XACE_SRCS) +@XACE_TRUE@@XORG_TRUE@am__append_8 = xace.h xacestr.h +@XSELINUX_TRUE@am__append_9 = $(XSELINUX_SRCS) +@XSELINUX_TRUE@am__append_10 = $(SELINUX_LIBS) +@XCSECURITY_TRUE@am__append_11 = $(XCSECURITY_SRCS) +@XCALIBRATE_TRUE@am__append_12 = $(XCALIBRATE_SRCS) +@XF86BIGFONT_TRUE@am__append_13 = $(BIGFONT_SRCS) +@DPMSExtension_TRUE@am__append_14 = $(DPMS_SRCS) +subdir = Xext +DIST_COMMON = $(am__sdk_HEADERS_DIST) $(srcdir)/Makefile.am \ + $(srcdir)/Makefile.in +ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 +am__aclocal_m4_deps = $(top_srcdir)/m4/ac_define_dir.m4 \ + $(top_srcdir)/m4/ax_tls.m4 $(top_srcdir)/configure.ac +am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \ + 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\ + fi; \ + done +check-am: all-am +check: check-am +all-am: Makefile $(LTLIBRARIES) $(HEADERS) +installdirs: + for dir in "$(DESTDIR)$(sdkdir)"; do \ + test -z "$$dir" || $(MKDIR_P) "$$dir"; \ + done +install: install-am +install-exec: install-exec-am +install-data: install-data-am +uninstall: uninstall-am + +install-am: all-am + @$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am + +installcheck: installcheck-am +install-strip: + $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \ + install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \ + `test -z '$(STRIP)' || \ + echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install +mostlyclean-generic: + +clean-generic: + +distclean-generic: + -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES) + -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES) + +maintainer-clean-generic: + @echo "This command is intended for maintainers to use" + @echo "it deletes files that may require special tools to rebuild." +clean: clean-am + +clean-am: clean-generic clean-libtool clean-noinstLTLIBRARIES \ + mostlyclean-am + +distclean: distclean-am + -rm -rf ./$(DEPDIR) + -rm -f Makefile +distclean-am: clean-am distclean-compile distclean-generic \ + distclean-tags + +dvi: dvi-am + +dvi-am: + +html: html-am + +html-am: + +info: info-am + +info-am: + +install-data-am: install-sdkHEADERS + +install-dvi: install-dvi-am + +install-dvi-am: + +install-exec-am: + +install-html: install-html-am + +install-html-am: + +install-info: install-info-am + +install-info-am: + +install-man: + +install-pdf: install-pdf-am + +install-pdf-am: + +install-ps: install-ps-am + +install-ps-am: + +installcheck-am: + +maintainer-clean: maintainer-clean-am + -rm -rf ./$(DEPDIR) + -rm -f Makefile +maintainer-clean-am: distclean-am maintainer-clean-generic + +mostlyclean: mostlyclean-am + +mostlyclean-am: mostlyclean-compile mostlyclean-generic \ + mostlyclean-libtool + +pdf: pdf-am + +pdf-am: + +ps: ps-am + +ps-am: + +uninstall-am: uninstall-sdkHEADERS + +.MAKE: install-am install-strip + +.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \ + clean-libtool clean-noinstLTLIBRARIES ctags distclean \ + distclean-compile distclean-generic distclean-libtool \ + distclean-tags distdir dvi dvi-am html html-am info info-am \ + install install-am install-data install-data-am install-dvi \ + install-dvi-am install-exec install-exec-am install-html \ + install-html-am install-info install-info-am install-man \ + install-pdf install-pdf-am install-ps install-ps-am \ + install-sdkHEADERS install-strip installcheck installcheck-am \ + installdirs maintainer-clean maintainer-clean-generic \ + mostlyclean mostlyclean-compile mostlyclean-generic \ + mostlyclean-libtool pdf pdf-am ps ps-am tags uninstall \ + uninstall-am uninstall-sdkHEADERS + + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/Xext/bigreq.c b/Xext/bigreq.c new file mode 100644 index 0000000..a540bcb --- /dev/null +++ b/Xext/bigreq.c @@ -0,0 +1,78 @@ +/* + +Copyright 1992, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +The above copyright notice and this permission notice shall be included +in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR +OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, +ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall +not be used in advertising or otherwise to promote the sale, use or +other dealings in this Software without prior written authorization +from The Open Group. + +*/ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include <X11/X.h> +#include <X11/Xproto.h> +#include "misc.h" +#include "os.h" +#include "dixstruct.h" +#include "extnsionst.h" +#include <X11/extensions/bigreqsproto.h> +#include "opaque.h" +#include "modinit.h" + +void BigReqExtensionInit(INITARGS); + +static int +ProcBigReqDispatch (ClientPtr client) +{ + REQUEST(xBigReqEnableReq); + xBigReqEnableReply rep; + int n; + + if (client->swapped) { + swaps(&stuff->length, n); + } + if (stuff->brReqType != X_BigReqEnable) + return BadRequest; + REQUEST_SIZE_MATCH(xBigReqEnableReq); + client->big_requests = TRUE; + memset(&rep, 0, sizeof(xBigReqEnableReply)); + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.max_request_size = maxBigRequestSize; + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swapl(&rep.max_request_size, n); + } + WriteToClient(client, sizeof(xBigReqEnableReply), (char *)&rep); + return Success; +} + +void +BigReqExtensionInit(INITARGS) +{ + AddExtension(XBigReqExtensionName, 0, 0, + ProcBigReqDispatch, ProcBigReqDispatch, + NULL, StandardMinorOpcode); +} diff --git a/Xext/dpms.c b/Xext/dpms.c new file mode 100644 index 0000000..33a6e26 --- /dev/null +++ b/Xext/dpms.c @@ -0,0 +1,379 @@ +/***************************************************************** + +Copyright (c) 1996 Digital Equipment Corporation, Maynard, Massachusetts. + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL +DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING, +BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY, +WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR +IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of Digital Equipment Corporation +shall not be used in advertising or otherwise to promote the sale, use or other +dealings in this Software without prior written authorization from Digital +Equipment Corporation. + +******************************************************************/ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include <X11/X.h> +#include <X11/Xproto.h> +#include "misc.h" +#include "os.h" +#include "dixstruct.h" +#include "extnsionst.h" +#include "opaque.h" +#include <X11/extensions/dpmsproto.h> +#include "dpmsproc.h" +#include "modinit.h" + +static int +ProcDPMSGetVersion(ClientPtr client) +{ + /* REQUEST(xDPMSGetVersionReq); */ + xDPMSGetVersionReply rep; + int n; + + REQUEST_SIZE_MATCH(xDPMSGetVersionReq); + + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.majorVersion = DPMSMajorVersion; + rep.minorVersion = DPMSMinorVersion; + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swaps(&rep.majorVersion, n); + swaps(&rep.minorVersion, n); + } + WriteToClient(client, sizeof(xDPMSGetVersionReply), (char *)&rep); + return Success; +} + +static int +ProcDPMSCapable(ClientPtr client) +{ + /* REQUEST(xDPMSCapableReq); */ + xDPMSCapableReply rep; + int n; + + REQUEST_SIZE_MATCH(xDPMSCapableReq); + + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.capable = DPMSCapableFlag; + + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + } + WriteToClient(client, sizeof(xDPMSCapableReply), (char *)&rep); + return Success; +} + +static int +ProcDPMSGetTimeouts(ClientPtr client) +{ + /* REQUEST(xDPMSGetTimeoutsReq); */ + xDPMSGetTimeoutsReply rep; + int n; + + REQUEST_SIZE_MATCH(xDPMSGetTimeoutsReq); + + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.standby = DPMSStandbyTime / MILLI_PER_SECOND; + rep.suspend = DPMSSuspendTime / MILLI_PER_SECOND; + rep.off = DPMSOffTime / MILLI_PER_SECOND; + + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swaps(&rep.standby, n); + swaps(&rep.suspend, n); + swaps(&rep.off, n); + } + WriteToClient(client, sizeof(xDPMSGetTimeoutsReply), (char *)&rep); + return Success; +} + +static int +ProcDPMSSetTimeouts(ClientPtr client) +{ + REQUEST(xDPMSSetTimeoutsReq); + + REQUEST_SIZE_MATCH(xDPMSSetTimeoutsReq); + + if ((stuff->off != 0)&&(stuff->off < stuff->suspend)) + { + client->errorValue = stuff->off; + return BadValue; + } + if ((stuff->suspend != 0)&&(stuff->suspend < stuff->standby)) + { + client->errorValue = stuff->suspend; + return BadValue; + } + + DPMSStandbyTime = stuff->standby * MILLI_PER_SECOND; + DPMSSuspendTime = stuff->suspend * MILLI_PER_SECOND; + DPMSOffTime = stuff->off * MILLI_PER_SECOND; + SetScreenSaverTimer(); + + return Success; +} + +static int +ProcDPMSEnable(ClientPtr client) +{ + Bool was_enabled = DPMSEnabled; + + REQUEST_SIZE_MATCH(xDPMSEnableReq); + + if (DPMSCapableFlag) { + DPMSEnabled = TRUE; + if (!was_enabled) + SetScreenSaverTimer(); + } + + return Success; +} + +static int +ProcDPMSDisable(ClientPtr client) +{ + /* REQUEST(xDPMSDisableReq); */ + + REQUEST_SIZE_MATCH(xDPMSDisableReq); + + DPMSSet(client, DPMSModeOn); + + DPMSEnabled = FALSE; + + return Success; +} + +static int +ProcDPMSForceLevel(ClientPtr client) +{ + REQUEST(xDPMSForceLevelReq); + + REQUEST_SIZE_MATCH(xDPMSForceLevelReq); + + if (!DPMSEnabled) + return BadMatch; + + if (stuff->level != DPMSModeOn && + stuff->level != DPMSModeStandby && + stuff->level != DPMSModeSuspend && + stuff->level != DPMSModeOff) { + client->errorValue = stuff->level; + return BadValue; + } + + DPMSSet(client, stuff->level); + + return Success; +} + +static int +ProcDPMSInfo(ClientPtr client) +{ + /* REQUEST(xDPMSInfoReq); */ + xDPMSInfoReply rep; + int n; + + REQUEST_SIZE_MATCH(xDPMSInfoReq); + + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.power_level = DPMSPowerLevel; + rep.state = DPMSEnabled; + + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swaps(&rep.power_level, n); + } + WriteToClient(client, sizeof(xDPMSInfoReply), (char *)&rep); + return Success; +} + +static int +ProcDPMSDispatch (ClientPtr client) +{ + REQUEST(xReq); + + switch (stuff->data) + { + case X_DPMSGetVersion: + return ProcDPMSGetVersion(client); + case X_DPMSCapable: + return ProcDPMSCapable(client); + case X_DPMSGetTimeouts: + return ProcDPMSGetTimeouts(client); + case X_DPMSSetTimeouts: + return ProcDPMSSetTimeouts(client); + case X_DPMSEnable: + return ProcDPMSEnable(client); + case X_DPMSDisable: + return ProcDPMSDisable(client); + case X_DPMSForceLevel: + return ProcDPMSForceLevel(client); + case X_DPMSInfo: + return ProcDPMSInfo(client); + default: + return BadRequest; + } +} + +static int +SProcDPMSGetVersion(ClientPtr client) +{ + int n; + REQUEST(xDPMSGetVersionReq); + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xDPMSGetVersionReq); + swaps(&stuff->majorVersion, n); + swaps(&stuff->minorVersion, n); + return ProcDPMSGetVersion(client); +} + +static int +SProcDPMSCapable(ClientPtr client) +{ + REQUEST(xDPMSCapableReq); + int n; + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xDPMSCapableReq); + + return ProcDPMSCapable(client); +} + +static int +SProcDPMSGetTimeouts(ClientPtr client) +{ + REQUEST(xDPMSGetTimeoutsReq); + int n; + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xDPMSGetTimeoutsReq); + + return ProcDPMSGetTimeouts(client); +} + +static int +SProcDPMSSetTimeouts(ClientPtr client) +{ + REQUEST(xDPMSSetTimeoutsReq); + int n; + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xDPMSSetTimeoutsReq); + + swaps(&stuff->standby, n); + swaps(&stuff->suspend, n); + swaps(&stuff->off, n); + return ProcDPMSSetTimeouts(client); +} + +static int +SProcDPMSEnable(ClientPtr client) +{ + REQUEST(xDPMSEnableReq); + int n; + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xDPMSEnableReq); + + return ProcDPMSEnable(client); +} + +static int +SProcDPMSDisable(ClientPtr client) +{ + REQUEST(xDPMSDisableReq); + int n; + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xDPMSDisableReq); + + return ProcDPMSDisable(client); +} + +static int +SProcDPMSForceLevel(ClientPtr client) +{ + REQUEST(xDPMSForceLevelReq); + int n; + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xDPMSForceLevelReq); + + swaps(&stuff->level, n); + + return ProcDPMSForceLevel(client); +} + +static int +SProcDPMSInfo(ClientPtr client) +{ + REQUEST(xDPMSInfoReq); + int n; + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xDPMSInfoReq); + + return ProcDPMSInfo(client); +} + +static int +SProcDPMSDispatch (ClientPtr client) +{ + REQUEST(xReq); + switch (stuff->data) + { + case X_DPMSGetVersion: + return SProcDPMSGetVersion(client); + case X_DPMSCapable: + return SProcDPMSCapable(client); + case X_DPMSGetTimeouts: + return SProcDPMSGetTimeouts(client); + case X_DPMSSetTimeouts: + return SProcDPMSSetTimeouts(client); + case X_DPMSEnable: + return SProcDPMSEnable(client); + case X_DPMSDisable: + return SProcDPMSDisable(client); + case X_DPMSForceLevel: + return SProcDPMSForceLevel(client); + case X_DPMSInfo: + return SProcDPMSInfo(client); + default: + return BadRequest; + } +} + +void +DPMSExtensionInit(INITARGS) +{ + AddExtension(DPMSExtensionName, 0, 0, + ProcDPMSDispatch, SProcDPMSDispatch, + NULL, StandardMinorOpcode); +} diff --git a/Xext/dpmsproc.h b/Xext/dpmsproc.h new file mode 100644 index 0000000..c1df56f --- /dev/null +++ b/Xext/dpmsproc.h @@ -0,0 +1,15 @@ +/* Prototypes for functions that the DDX must provide */ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#ifndef _DPMSPROC_H_ +#define _DPMSPROC_H_ + +#include "dixstruct.h" + +int DPMSSet(ClientPtr client, int level); +Bool DPMSSupported(void); + +#endif diff --git a/Xext/dpmsstubs.c b/Xext/dpmsstubs.c new file mode 100644 index 0000000..f0f54d2 --- /dev/null +++ b/Xext/dpmsstubs.c @@ -0,0 +1,45 @@ +/***************************************************************** + +Copyright (c) 1996 Digital Equipment Corporation, Maynard, Massachusetts. + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL +DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING, +BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY, +WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR +IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of Digital Equipment Corporation +shall not be used in advertising or otherwise to promote the sale, use or other +dealings in this Software without prior written authorization from Digital +Equipment Corporation. + +******************************************************************/ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include "dpmsproc.h" + +#define FALSE 0 + +Bool DPMSSupported(void) +{ + return FALSE; +} + +int DPMSSet(ClientPtr client, int level) +{ + return Success; +} diff --git a/Xext/geext.c b/Xext/geext.c new file mode 100644 index 0000000..a6fbb09 --- /dev/null +++ b/Xext/geext.c @@ -0,0 +1,262 @@ +/* + * Copyright 2007-2008 Peter Hutterer + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Author: Peter Hutterer, University of South Australia, NICTA + */ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif +#include "windowstr.h" +#include <X11/extensions/ge.h> + +#include "geint.h" +#include "geext.h" +#include "protocol-versions.h" + +DevPrivateKeyRec GEClientPrivateKeyRec; + +int RT_GECLIENT = 0; + +GEExtension GEExtensions[MAXEXTENSIONS]; + +/* Major available requests */ +static const int version_requests[] = { + X_GEQueryVersion, /* before client sends QueryVersion */ + X_GEQueryVersion, /* must be set to last request in version 1 */ +}; + +/* Forward declarations */ +static void SGEGenericEvent(xEvent* from, xEvent* to); + +#define NUM_VERSION_REQUESTS (sizeof (version_requests) / sizeof (version_requests[0])) + +/************************************************************/ +/* request handlers */ +/************************************************************/ + +static int +ProcGEQueryVersion(ClientPtr client) +{ + int n; + GEClientInfoPtr pGEClient = GEGetClient(client); + xGEQueryVersionReply rep; + REQUEST(xGEQueryVersionReq); + + REQUEST_SIZE_MATCH(xGEQueryVersionReq); + + rep.repType = X_Reply; + rep.RepType = X_GEQueryVersion; + rep.length = 0; + rep.sequenceNumber = client->sequence; + + /* return the supported version by the server */ + rep.majorVersion = SERVER_GE_MAJOR_VERSION; + rep.minorVersion = SERVER_GE_MINOR_VERSION; + + /* Remember version the client requested */ + pGEClient->major_version = stuff->majorVersion; + pGEClient->minor_version = stuff->minorVersion; + + if (client->swapped) + { + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swaps(&rep.majorVersion, n); + swaps(&rep.minorVersion, n); + } + + WriteToClient(client, sizeof(xGEQueryVersionReply), (char*)&rep); + return Success; +} + +int (*ProcGEVector[GENumberRequests])(ClientPtr) = { + /* Version 1.0 */ + ProcGEQueryVersion +}; + +/************************************************************/ +/* swapped request handlers */ +/************************************************************/ +static int +SProcGEQueryVersion(ClientPtr client) +{ + int n; + REQUEST(xGEQueryVersionReq); + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xGEQueryVersionReq); + swaps(&stuff->majorVersion, n); + swaps(&stuff->minorVersion, n); + return(*ProcGEVector[stuff->ReqType])(client); +} + +int (*SProcGEVector[GENumberRequests])(ClientPtr) = { + /* Version 1.0 */ + SProcGEQueryVersion +}; + + +/************************************************************/ +/* callbacks */ +/************************************************************/ + +/* dispatch requests */ +static int +ProcGEDispatch(ClientPtr client) +{ + GEClientInfoPtr pGEClient = GEGetClient(client); + REQUEST(xGEReq); + + if (pGEClient->major_version >= NUM_VERSION_REQUESTS) + return BadRequest; + if (stuff->ReqType > version_requests[pGEClient->major_version]) + return BadRequest; + + return (ProcGEVector[stuff->ReqType])(client); +} + +/* dispatch swapped requests */ +static int +SProcGEDispatch(ClientPtr client) +{ + REQUEST(xGEReq); + if (stuff->ReqType >= GENumberRequests) + return BadRequest; + return (*SProcGEVector[stuff->ReqType])(client); +} + +/** + * Called when a new client inits a connection to the X server. + * + * We alloc a simple struct to store the client's major/minor version. Can be + * used in the furture for versioning support. + */ +static void +GEClientCallback(CallbackListPtr *list, + pointer closure, + pointer data) +{ + NewClientInfoRec *clientinfo = (NewClientInfoRec *) data; + ClientPtr pClient = clientinfo->client; + GEClientInfoPtr pGEClient = GEGetClient(pClient); + + pGEClient->major_version = 0; + pGEClient->minor_version = 0; +} + +/* Reset extension. Called on server shutdown. */ +static void +GEResetProc(ExtensionEntry *extEntry) +{ + DeleteCallback(&ClientStateCallback, GEClientCallback, 0); + EventSwapVector[GenericEvent] = NotImplemented; +} + +/* Calls the registered event swap function for the extension. + * + * Each extension can register a swap function to handle GenericEvents being + * swapped properly. The server calls SGEGenericEvent() before the event is + * written on the wire, this one calls the registered swap function to do the + * work. + */ +static void +SGEGenericEvent(xEvent* from, xEvent* to) +{ + xGenericEvent* gefrom = (xGenericEvent*)from; + xGenericEvent* geto = (xGenericEvent*)to; + + if ((gefrom->extension & 0x7f) > MAXEXTENSIONS) + { + ErrorF("GE: Invalid extension offset for event.\n"); + return; + } + + if (GEExtensions[gefrom->extension & 0x7F].evswap) + GEExtensions[gefrom->extension & 0x7F].evswap(gefrom, geto); +} + +/* Init extension, register at server. + * Since other extensions may rely on XGE (XInput does already), it is a good + * idea to init XGE first, before any other extension. + */ +void +GEExtensionInit(void) +{ + ExtensionEntry *extEntry; + + if (!dixRegisterPrivateKey(&GEClientPrivateKeyRec, PRIVATE_CLIENT, sizeof(GEClientInfoRec))) + FatalError("GEExtensionInit: GE private request failed.\n"); + + if(!AddCallback(&ClientStateCallback, GEClientCallback, 0)) + { + FatalError("GEExtensionInit: register client callback failed.\n"); + } + + if((extEntry = AddExtension(GE_NAME, + 0, GENumberErrors, + ProcGEDispatch, SProcGEDispatch, + GEResetProc, StandardMinorOpcode)) != 0) + { + memset(GEExtensions, 0, sizeof(GEExtensions)); + + EventSwapVector[GenericEvent] = (EventSwapPtr) SGEGenericEvent; + } else { + FatalError("GEInit: AddExtensions failed.\n"); + } + +} + +/************************************************************/ +/* interface for extensions */ +/************************************************************/ + +/* Register an extension with GE. The given swap function will be called each + * time an event is sent to a client with different byte order. + * @param extension The extensions major opcode + * @param ev_swap The event swap function. + * @param ev_fill Called for an event before delivery. The extension now has + * the chance to fill in necessary fields for the event. + */ +void +GERegisterExtension(int extension, + void (*ev_swap)(xGenericEvent* from, xGenericEvent* to)) +{ + if ((extension & 0x7F) >= MAXEXTENSIONS) + FatalError("GE: extension > MAXEXTENSIONS. This should not happen.\n"); + + /* extension opcodes are > 128, might as well save some space here */ + GEExtensions[extension & 0x7f].evswap = ev_swap; +} + + +/* Sets type and extension field for a generic event. This is just an + * auxiliary function, extensions could do it manually too. + */ +void +GEInitEvent(xGenericEvent* ev, int extension) +{ + ev->type = GenericEvent; + ev->extension = extension; + ev->length = 0; +} + diff --git a/Xext/geext.h b/Xext/geext.h new file mode 100644 index 0000000..8e6dbeb --- /dev/null +++ b/Xext/geext.h @@ -0,0 +1,83 @@ +/* + +Copyright 2007 Peter Hutterer <peter@cs.unisa.edu.au> + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +The above copyright notice and this permission notice shall be included +in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR +OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, +ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of the author shall +not be used in advertising or otherwise to promote the sale, use or +other dealings in this Software without prior written authorization +from the author. + +*/ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#ifndef _GEEXT_H_ +#define _GEEXT_H_ +#include <X11/extensions/geproto.h> + +/** Struct to keep information about registered extensions */ +typedef struct _GEExtension { + /** Event swapping routine */ + void (*evswap)(xGenericEvent* from, xGenericEvent* to); +} GEExtension, *GEExtensionPtr; + + +/* All registered extensions and their handling functions. */ +extern _X_EXPORT GEExtension GEExtensions[MAXEXTENSIONS]; + +/* Typecast to generic event */ +#define GEV(ev) ((xGenericEvent*)(ev)) +/* Returns the extension offset from the event */ +#define GEEXT(ev) (GEV(ev)->extension) + +/* Return zero-based extension offset (offset - 128). Only for use in arrays */ +#define GEEXTIDX(ev) (GEEXT(ev) & 0x7F) +/* True if mask is set for extension on window */ +#define GEMaskIsSet(pWin, extension, mask) \ + ((pWin)->optional && \ + (pWin)->optional->geMasks && \ + ((pWin)->optional->geMasks->eventMasks[(extension) & 0x7F] & (mask))) + +/* Returns first client */ +#define GECLIENT(pWin) \ + (((pWin)->optional) ? (pWin)->optional->geMasks->geClients : NULL) + +/* Returns the event_fill for the given event */ +#define GEEventFill(ev) \ + GEExtensions[GEEXTIDX(ev)].evfill + +#define GEIsType(ev, ext, ev_type) \ + ((GEV(ev)->type == GenericEvent) && \ + GEEXT(ev) == (ext) && \ + GEV(ev)->evtype == (ev_type)) + + +/* Interface for other extensions */ +extern _X_EXPORT void GERegisterExtension( + int extension, + void (*ev_dispatch)(xGenericEvent* from, xGenericEvent* to)); + +extern _X_EXPORT void GEInitEvent(xGenericEvent* ev, int extension); + +extern _X_EXPORT void GEExtensionInit(void); + +#endif /* _GEEXT_H_ */ diff --git a/Xext/geint.h b/Xext/geint.h new file mode 100644 index 0000000..3e2b8e1 --- /dev/null +++ b/Xext/geint.h @@ -0,0 +1,53 @@ +/* + * Copyright 2007-2008 Peter Hutterer + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Author: Peter Hutterer, University of South Australia, NICTA + */ +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#ifndef _GEINT_H_ +#define _GEINT_H_ + +#include <X11/X.h> +#include <X11/Xproto.h> +#include "misc.h" +#include "os.h" +#include "dixstruct.h" +#include "extnsionst.h" +#include <X11/extensions/geproto.h> + +extern _X_EXPORT DevPrivateKeyRec GEClientPrivateKeyRec; +#define GEClientPrivateKey (&GEClientPrivateKeyRec) + +typedef struct _GEClientInfo { + CARD32 major_version; + CARD32 minor_version; +} GEClientInfoRec, *GEClientInfoPtr; + +#define GEGetClient(pClient) ((GEClientInfoPtr)(dixLookupPrivate(&((pClient)->devPrivates), GEClientPrivateKey))) + +extern _X_EXPORT int (*ProcGEVector[/*GENumRequests*/])(ClientPtr); +extern _X_EXPORT int (*SProcGEVector[/*GENumRequests*/])(ClientPtr); + +#endif /* _GEINT_H_ */ diff --git a/Xext/panoramiX.c b/Xext/panoramiX.c new file mode 100644 index 0000000..e6334bd --- /dev/null +++ b/Xext/panoramiX.c @@ -0,0 +1,1299 @@ +/***************************************************************** +Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts. +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL +DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING, +BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY, +WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR +IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of Digital Equipment Corporation +shall not be used in advertising or otherwise to promote the sale, use or other +dealings in this Software without prior written authorization from Digital +Equipment Corporation. +******************************************************************/ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#ifdef HAVE_DMX_CONFIG_H +#include <dmx-config.h> +#endif + +#include <stdio.h> +#include <X11/X.h> +#include <X11/Xproto.h> +#include <X11/Xarch.h> +#include "misc.h" +#include "cursor.h" +#include "cursorstr.h" +#include "extnsionst.h" +#include "dixstruct.h" +#include "gc.h" +#include "gcstruct.h" +#include "scrnintstr.h" +#include "window.h" +#include "windowstr.h" +#include "pixmapstr.h" +#include "panoramiX.h" +#include <X11/extensions/panoramiXproto.h> +#include "panoramiXsrv.h" +#include "globals.h" +#include "servermd.h" +#include "resource.h" +#include "picturestr.h" +#ifdef XFIXES +#include "xfixesint.h" +#endif +#ifdef COMPOSITE +#include "compint.h" +#endif +#include "modinit.h" +#include "protocol-versions.h" + +#ifdef GLXPROXY +extern VisualPtr glxMatchVisual(ScreenPtr pScreen, + VisualPtr pVisual, + ScreenPtr pMatchScreen); +#endif + +/* + * PanoramiX data declarations + */ + +int PanoramiXPixWidth = 0; +int PanoramiXPixHeight = 0; +int PanoramiXNumScreens = 0; + +static RegionRec PanoramiXScreenRegion = {{0, 0, 0, 0}, NULL}; + +static int PanoramiXNumDepths; +static DepthPtr PanoramiXDepths; +static int PanoramiXNumVisuals; +static VisualPtr PanoramiXVisuals; + +unsigned long XRC_DRAWABLE; +unsigned long XRT_WINDOW; +unsigned long XRT_PIXMAP; +unsigned long XRT_GC; +unsigned long XRT_COLORMAP; + +static Bool VisualsEqual(VisualPtr, ScreenPtr, VisualPtr); +XineramaVisualsEqualProcPtr XineramaVisualsEqualPtr = &VisualsEqual; + +/* + * Function prototypes + */ + +static int panoramiXGeneration; +static int ProcPanoramiXDispatch(ClientPtr client); + +static void PanoramiXResetProc(ExtensionEntry*); + +/* + * External references for functions and data variables + */ + +#include "panoramiXh.h" + +int (* SavedProcVector[256]) (ClientPtr client) = { NULL, }; + +static DevPrivateKeyRec PanoramiXGCKeyRec; +#define PanoramiXGCKey (&PanoramiXGCKeyRec) +static DevPrivateKeyRec PanoramiXScreenKeyRec; +#define PanoramiXScreenKey (&PanoramiXScreenKeyRec) + +typedef struct { + DDXPointRec clipOrg; + DDXPointRec patOrg; + GCFuncs *wrapFuncs; +} PanoramiXGCRec, *PanoramiXGCPtr; + +typedef struct { + CreateGCProcPtr CreateGC; + CloseScreenProcPtr CloseScreen; +} PanoramiXScreenRec, *PanoramiXScreenPtr; + +static void XineramaValidateGC(GCPtr, unsigned long, DrawablePtr); +static void XineramaChangeGC(GCPtr, unsigned long); +static void XineramaCopyGC(GCPtr, unsigned long, GCPtr); +static void XineramaDestroyGC(GCPtr); +static void XineramaChangeClip(GCPtr, int, pointer, int); +static void XineramaDestroyClip(GCPtr); +static void XineramaCopyClip(GCPtr, GCPtr); + +static GCFuncs XineramaGCFuncs = { + XineramaValidateGC, XineramaChangeGC, XineramaCopyGC, XineramaDestroyGC, + XineramaChangeClip, XineramaDestroyClip, XineramaCopyClip +}; + +#define Xinerama_GC_FUNC_PROLOGUE(pGC)\ + PanoramiXGCPtr pGCPriv = (PanoramiXGCPtr) \ + dixLookupPrivate(&(pGC)->devPrivates, PanoramiXGCKey); \ + (pGC)->funcs = pGCPriv->wrapFuncs; + +#define Xinerama_GC_FUNC_EPILOGUE(pGC)\ + pGCPriv->wrapFuncs = (pGC)->funcs;\ + (pGC)->funcs = &XineramaGCFuncs; + + +static Bool +XineramaCloseScreen (int i, ScreenPtr pScreen) +{ + PanoramiXScreenPtr pScreenPriv = (PanoramiXScreenPtr) + dixLookupPrivate(&pScreen->devPrivates, PanoramiXScreenKey); + + pScreen->CloseScreen = pScreenPriv->CloseScreen; + pScreen->CreateGC = pScreenPriv->CreateGC; + + if (pScreen->myNum == 0) + RegionUninit(&PanoramiXScreenRegion); + + free((pointer) pScreenPriv); + + return (*pScreen->CloseScreen) (i, pScreen); +} + +static Bool +XineramaCreateGC(GCPtr pGC) +{ + ScreenPtr pScreen = pGC->pScreen; + PanoramiXScreenPtr pScreenPriv = (PanoramiXScreenPtr) + dixLookupPrivate(&pScreen->devPrivates, PanoramiXScreenKey); + Bool ret; + + pScreen->CreateGC = pScreenPriv->CreateGC; + if((ret = (*pScreen->CreateGC)(pGC))) { + PanoramiXGCPtr pGCPriv = (PanoramiXGCPtr) + dixLookupPrivate(&pGC->devPrivates, PanoramiXGCKey); + + pGCPriv->wrapFuncs = pGC->funcs; + pGC->funcs = &XineramaGCFuncs; + + pGCPriv->clipOrg.x = pGC->clipOrg.x; + pGCPriv->clipOrg.y = pGC->clipOrg.y; + pGCPriv->patOrg.x = pGC->patOrg.x; + pGCPriv->patOrg.y = pGC->patOrg.y; + } + pScreen->CreateGC = XineramaCreateGC; + + return ret; +} + +static void +XineramaValidateGC( + GCPtr pGC, + unsigned long changes, + DrawablePtr pDraw +){ + Xinerama_GC_FUNC_PROLOGUE (pGC); + + if((pDraw->type == DRAWABLE_WINDOW) && !(((WindowPtr)pDraw)->parent)) { + /* the root window */ + int x_off = pGC->pScreen->x; + int y_off = pGC->pScreen->y; + int new_val; + + new_val = pGCPriv->clipOrg.x - x_off; + if(pGC->clipOrg.x != new_val) { + pGC->clipOrg.x = new_val; + changes |= GCClipXOrigin; + } + new_val = pGCPriv->clipOrg.y - y_off; + if(pGC->clipOrg.y != new_val) { + pGC->clipOrg.y = new_val; + changes |= GCClipYOrigin; + } + new_val = pGCPriv->patOrg.x - x_off; + if(pGC->patOrg.x != new_val) { + pGC->patOrg.x = new_val; + changes |= GCTileStipXOrigin; + } + new_val = pGCPriv->patOrg.y - y_off; + if(pGC->patOrg.y != new_val) { + pGC->patOrg.y = new_val; + changes |= GCTileStipYOrigin; + } + } else { + if(pGC->clipOrg.x != pGCPriv->clipOrg.x) { + pGC->clipOrg.x = pGCPriv->clipOrg.x; + changes |= GCClipXOrigin; + } + if(pGC->clipOrg.y != pGCPriv->clipOrg.y) { + pGC->clipOrg.y = pGCPriv->clipOrg.y; + changes |= GCClipYOrigin; + } + if(pGC->patOrg.x != pGCPriv->patOrg.x) { + pGC->patOrg.x = pGCPriv->patOrg.x; + changes |= GCTileStipXOrigin; + } + if(pGC->patOrg.y != pGCPriv->patOrg.y) { + pGC->patOrg.y = pGCPriv->patOrg.y; + changes |= GCTileStipYOrigin; + } + } + + (*pGC->funcs->ValidateGC)(pGC, changes, pDraw); + Xinerama_GC_FUNC_EPILOGUE (pGC); +} + +static void +XineramaDestroyGC(GCPtr pGC) +{ + Xinerama_GC_FUNC_PROLOGUE (pGC); + (*pGC->funcs->DestroyGC)(pGC); + Xinerama_GC_FUNC_EPILOGUE (pGC); +} + +static void +XineramaChangeGC ( + GCPtr pGC, + unsigned long mask +){ + Xinerama_GC_FUNC_PROLOGUE (pGC); + + if(mask & GCTileStipXOrigin) + pGCPriv->patOrg.x = pGC->patOrg.x; + if(mask & GCTileStipYOrigin) + pGCPriv->patOrg.y = pGC->patOrg.y; + if(mask & GCClipXOrigin) + pGCPriv->clipOrg.x = pGC->clipOrg.x; + if(mask & GCClipYOrigin) + pGCPriv->clipOrg.y = pGC->clipOrg.y; + + (*pGC->funcs->ChangeGC) (pGC, mask); + Xinerama_GC_FUNC_EPILOGUE (pGC); +} + +static void +XineramaCopyGC ( + GCPtr pGCSrc, + unsigned long mask, + GCPtr pGCDst +){ + PanoramiXGCPtr pSrcPriv = (PanoramiXGCPtr) + dixLookupPrivate(&pGCSrc->devPrivates, PanoramiXGCKey); + Xinerama_GC_FUNC_PROLOGUE (pGCDst); + + if(mask & GCTileStipXOrigin) + pGCPriv->patOrg.x = pSrcPriv->patOrg.x; + if(mask & GCTileStipYOrigin) + pGCPriv->patOrg.y = pSrcPriv->patOrg.y; + if(mask & GCClipXOrigin) + pGCPriv->clipOrg.x = pSrcPriv->clipOrg.x; + if(mask & GCClipYOrigin) + pGCPriv->clipOrg.y = pSrcPriv->clipOrg.y; + + (*pGCDst->funcs->CopyGC) (pGCSrc, mask, pGCDst); + Xinerama_GC_FUNC_EPILOGUE (pGCDst); +} + +static void +XineramaChangeClip ( + GCPtr pGC, + int type, + pointer pvalue, + int nrects +){ + Xinerama_GC_FUNC_PROLOGUE (pGC); + (*pGC->funcs->ChangeClip) (pGC, type, pvalue, nrects); + Xinerama_GC_FUNC_EPILOGUE (pGC); +} + +static void +XineramaCopyClip(GCPtr pgcDst, GCPtr pgcSrc) +{ + Xinerama_GC_FUNC_PROLOGUE (pgcDst); + (* pgcDst->funcs->CopyClip)(pgcDst, pgcSrc); + Xinerama_GC_FUNC_EPILOGUE (pgcDst); +} + +static void +XineramaDestroyClip(GCPtr pGC) +{ + Xinerama_GC_FUNC_PROLOGUE (pGC); + (* pGC->funcs->DestroyClip)(pGC); + Xinerama_GC_FUNC_EPILOGUE (pGC); +} + +int +XineramaDeleteResource(pointer data, XID id) +{ + free(data); + return 1; +} + +typedef struct { + int screen; + int id; +} PanoramiXSearchData; + +static Bool +XineramaFindIDByScrnum(pointer resource, XID id, pointer privdata) +{ + PanoramiXRes *res = (PanoramiXRes*)resource; + PanoramiXSearchData *data = (PanoramiXSearchData*)privdata; + + return res->info[data->screen].id == data->id; +} + +PanoramiXRes * +PanoramiXFindIDByScrnum(RESTYPE type, XID id, int screen) +{ + PanoramiXSearchData data; + pointer val; + + if(!screen) { + dixLookupResourceByType(&val, id, type, serverClient, DixReadAccess); + return val; + } + + data.screen = screen; + data.id = id; + + return LookupClientResourceComplex(clients[CLIENT_ID(id)], type, + XineramaFindIDByScrnum, &data); +} + +typedef struct _connect_callback_list { + void (*func)(void); + struct _connect_callback_list *next; +} XineramaConnectionCallbackList; + +static XineramaConnectionCallbackList *ConnectionCallbackList = NULL; + +Bool +XineramaRegisterConnectionBlockCallback(void (*func)(void)) +{ + XineramaConnectionCallbackList *newlist; + + if(!(newlist = malloc(sizeof(XineramaConnectionCallbackList)))) + return FALSE; + + newlist->next = ConnectionCallbackList; + newlist->func = func; + ConnectionCallbackList = newlist; + + return TRUE; +} + +static void XineramaInitData(ScreenPtr pScreen) +{ + int i, w, h; + + RegionNull(&PanoramiXScreenRegion); + for (i = 0; i < PanoramiXNumScreens; i++) { + BoxRec TheBox; + RegionRec ScreenRegion; + + pScreen = screenInfo.screens[i]; + + TheBox.x1 = pScreen->x; + TheBox.x2 = TheBox.x1 + pScreen->width; + TheBox.y1 = pScreen->y; + TheBox.y2 = TheBox.y1 + pScreen->height; + + RegionInit(&ScreenRegion, &TheBox, 1); + RegionUnion(&PanoramiXScreenRegion, &PanoramiXScreenRegion, + &ScreenRegion); + RegionUninit(&ScreenRegion); + } + + PanoramiXPixWidth = screenInfo.screens[0]->x + screenInfo.screens[0]->width; + PanoramiXPixHeight = screenInfo.screens[0]->y + screenInfo.screens[0]->height; + + for (i = 1; i < PanoramiXNumScreens; i++) { + pScreen = screenInfo.screens[i]; + w = pScreen->x + pScreen->width; + h = pScreen->y + pScreen->height; + + if (PanoramiXPixWidth < w) + PanoramiXPixWidth = w; + if (PanoramiXPixHeight < h) + PanoramiXPixHeight = h; + } +} + +void XineramaReinitData(ScreenPtr pScreen) +{ + RegionUninit(&PanoramiXScreenRegion); + XineramaInitData(pScreen); +} + +/* + * PanoramiXExtensionInit(): + * Called from InitExtensions in main(). + * Register PanoramiXeen Extension + * Initialize global variables. + */ + +void PanoramiXExtensionInit(int argc, char *argv[]) +{ + int i; + Bool success = FALSE; + ExtensionEntry *extEntry; + ScreenPtr pScreen = screenInfo.screens[0]; + PanoramiXScreenPtr pScreenPriv; + + if (noPanoramiXExtension) + return; + + if (!dixRegisterPrivateKey(&PanoramiXScreenKeyRec, PRIVATE_SCREEN, 0)) { + noPanoramiXExtension = TRUE; + return; + } + + if (!dixRegisterPrivateKey(&PanoramiXGCKeyRec, PRIVATE_GC, sizeof(PanoramiXGCRec))) { + noPanoramiXExtension = TRUE; + return; + } + + PanoramiXNumScreens = screenInfo.numScreens; + if (PanoramiXNumScreens == 1) { /* Only 1 screen */ + noPanoramiXExtension = TRUE; + return; + } + + while (panoramiXGeneration != serverGeneration) { + extEntry = AddExtension(PANORAMIX_PROTOCOL_NAME, 0,0, + ProcPanoramiXDispatch, + SProcPanoramiXDispatch, PanoramiXResetProc, + StandardMinorOpcode); + if (!extEntry) + break; + + /* + * First make sure all the basic allocations succeed. If not, + * run in non-PanoramiXeen mode. + */ + + for (i = 0; i < PanoramiXNumScreens; i++) { + pScreen = screenInfo.screens[i]; + pScreenPriv = malloc(sizeof(PanoramiXScreenRec)); + dixSetPrivate(&pScreen->devPrivates, PanoramiXScreenKey, + pScreenPriv); + if(!pScreenPriv) { + noPanoramiXExtension = TRUE; + return; + } + + pScreenPriv->CreateGC = pScreen->CreateGC; + pScreenPriv->CloseScreen = pScreen->CloseScreen; + + pScreen->CreateGC = XineramaCreateGC; + pScreen->CloseScreen = XineramaCloseScreen; + } + + XRC_DRAWABLE = CreateNewResourceClass(); + XRT_WINDOW = CreateNewResourceType(XineramaDeleteResource, + "XineramaWindow"); + if (XRT_WINDOW) + XRT_WINDOW |= XRC_DRAWABLE; + XRT_PIXMAP = CreateNewResourceType(XineramaDeleteResource, + "XineramaPixmap"); + if (XRT_PIXMAP) + XRT_PIXMAP |= XRC_DRAWABLE; + XRT_GC = CreateNewResourceType(XineramaDeleteResource, + "XineramaGC"); + XRT_COLORMAP = CreateNewResourceType(XineramaDeleteResource, + "XineramaColormap"); + + if (XRT_WINDOW && XRT_PIXMAP && XRT_GC && XRT_COLORMAP) { + panoramiXGeneration = serverGeneration; + success = TRUE; + } + SetResourceTypeErrorValue(XRT_WINDOW, BadWindow); + SetResourceTypeErrorValue(XRT_PIXMAP, BadPixmap); + SetResourceTypeErrorValue(XRT_GC, BadGC); + SetResourceTypeErrorValue(XRT_COLORMAP, BadColor); + } + + if (!success) { + noPanoramiXExtension = TRUE; + ErrorF(PANORAMIX_PROTOCOL_NAME " extension failed to initialize\n"); + return; + } + + XineramaInitData(pScreen); + + /* + * Put our processes into the ProcVector + */ + + for (i = 256; i--; ) + SavedProcVector[i] = ProcVector[i]; + + ProcVector[X_CreateWindow] = PanoramiXCreateWindow; + ProcVector[X_ChangeWindowAttributes] = PanoramiXChangeWindowAttributes; + ProcVector[X_DestroyWindow] = PanoramiXDestroyWindow; + ProcVector[X_DestroySubwindows] = PanoramiXDestroySubwindows; + ProcVector[X_ChangeSaveSet] = PanoramiXChangeSaveSet; + ProcVector[X_ReparentWindow] = PanoramiXReparentWindow; + ProcVector[X_MapWindow] = PanoramiXMapWindow; + ProcVector[X_MapSubwindows] = PanoramiXMapSubwindows; + ProcVector[X_UnmapWindow] = PanoramiXUnmapWindow; + ProcVector[X_UnmapSubwindows] = PanoramiXUnmapSubwindows; + ProcVector[X_ConfigureWindow] = PanoramiXConfigureWindow; + ProcVector[X_CirculateWindow] = PanoramiXCirculateWindow; + ProcVector[X_GetGeometry] = PanoramiXGetGeometry; + ProcVector[X_TranslateCoords] = PanoramiXTranslateCoords; + ProcVector[X_CreatePixmap] = PanoramiXCreatePixmap; + ProcVector[X_FreePixmap] = PanoramiXFreePixmap; + ProcVector[X_CreateGC] = PanoramiXCreateGC; + ProcVector[X_ChangeGC] = PanoramiXChangeGC; + ProcVector[X_CopyGC] = PanoramiXCopyGC; + ProcVector[X_SetDashes] = PanoramiXSetDashes; + ProcVector[X_SetClipRectangles] = PanoramiXSetClipRectangles; + ProcVector[X_FreeGC] = PanoramiXFreeGC; + ProcVector[X_ClearArea] = PanoramiXClearToBackground; + ProcVector[X_CopyArea] = PanoramiXCopyArea; + ProcVector[X_CopyPlane] = PanoramiXCopyPlane; + ProcVector[X_PolyPoint] = PanoramiXPolyPoint; + ProcVector[X_PolyLine] = PanoramiXPolyLine; + ProcVector[X_PolySegment] = PanoramiXPolySegment; + ProcVector[X_PolyRectangle] = PanoramiXPolyRectangle; + ProcVector[X_PolyArc] = PanoramiXPolyArc; + ProcVector[X_FillPoly] = PanoramiXFillPoly; + ProcVector[X_PolyFillRectangle] = PanoramiXPolyFillRectangle; + ProcVector[X_PolyFillArc] = PanoramiXPolyFillArc; + ProcVector[X_PutImage] = PanoramiXPutImage; + ProcVector[X_GetImage] = PanoramiXGetImage; + ProcVector[X_PolyText8] = PanoramiXPolyText8; + ProcVector[X_PolyText16] = PanoramiXPolyText16; + ProcVector[X_ImageText8] = PanoramiXImageText8; + ProcVector[X_ImageText16] = PanoramiXImageText16; + ProcVector[X_CreateColormap] = PanoramiXCreateColormap; + ProcVector[X_FreeColormap] = PanoramiXFreeColormap; + ProcVector[X_CopyColormapAndFree] = PanoramiXCopyColormapAndFree; + ProcVector[X_InstallColormap] = PanoramiXInstallColormap; + ProcVector[X_UninstallColormap] = PanoramiXUninstallColormap; + ProcVector[X_AllocColor] = PanoramiXAllocColor; + ProcVector[X_AllocNamedColor] = PanoramiXAllocNamedColor; + ProcVector[X_AllocColorCells] = PanoramiXAllocColorCells; + ProcVector[X_AllocColorPlanes] = PanoramiXAllocColorPlanes; + ProcVector[X_FreeColors] = PanoramiXFreeColors; + ProcVector[X_StoreColors] = PanoramiXStoreColors; + ProcVector[X_StoreNamedColor] = PanoramiXStoreNamedColor; + + PanoramiXRenderInit (); +#ifdef XFIXES + PanoramiXFixesInit (); +#endif +#ifdef COMPOSITE + PanoramiXCompositeInit (); +#endif + +} + +extern Bool CreateConnectionBlock(void); + +Bool PanoramiXCreateConnectionBlock(void) +{ + int i, j, length; + Bool disableBackingStore = FALSE; + int old_width, old_height; + float width_mult, height_mult; + xWindowRoot *root; + xVisualType *visual; + xDepth *depth; + VisualPtr pVisual; + ScreenPtr pScreen; + + /* + * Do normal CreateConnectionBlock but faking it for only one screen + */ + + if(!PanoramiXNumDepths) { + ErrorF("Xinerama error: No common visuals\n"); + return FALSE; + } + + for(i = 1; i < screenInfo.numScreens; i++) { + pScreen = screenInfo.screens[i]; + if(pScreen->rootDepth != screenInfo.screens[0]->rootDepth) { + ErrorF("Xinerama error: Root window depths differ\n"); + return FALSE; + } + if(pScreen->backingStoreSupport != screenInfo.screens[0]->backingStoreSupport) + disableBackingStore = TRUE; + } + + if (disableBackingStore) { + for (i = 0; i < screenInfo.numScreens; i++) { + pScreen = screenInfo.screens[i]; + pScreen->backingStoreSupport = NotUseful; + } + } + + i = screenInfo.numScreens; + screenInfo.numScreens = 1; + if (!CreateConnectionBlock()) { + screenInfo.numScreens = i; + return FALSE; + } + + screenInfo.numScreens = i; + + root = (xWindowRoot *) (ConnectionInfo + connBlockScreenStart); + length = connBlockScreenStart + sizeof(xWindowRoot); + + /* overwrite the connection block */ + root->nDepths = PanoramiXNumDepths; + + for (i = 0; i < PanoramiXNumDepths; i++) { + depth = (xDepth *) (ConnectionInfo + length); + depth->depth = PanoramiXDepths[i].depth; + depth->nVisuals = PanoramiXDepths[i].numVids; + length += sizeof(xDepth); + visual = (xVisualType *)(ConnectionInfo + length); + + for (j = 0; j < depth->nVisuals; j++, visual++) { + visual->visualID = PanoramiXDepths[i].vids[j]; + + for (pVisual = PanoramiXVisuals; + pVisual->vid != visual->visualID; + pVisual++) + ; + + visual->class = pVisual->class; + visual->bitsPerRGB = pVisual->bitsPerRGBValue; + visual->colormapEntries = pVisual->ColormapEntries; + visual->redMask = pVisual->redMask; + visual->greenMask = pVisual->greenMask; + visual->blueMask = pVisual->blueMask; + } + + length += (depth->nVisuals * sizeof(xVisualType)); + } + + connSetupPrefix.length = bytes_to_int32(length); + + for (i = 0; i < PanoramiXNumDepths; i++) + free(PanoramiXDepths[i].vids); + free(PanoramiXDepths); + PanoramiXDepths = NULL; + + /* + * OK, change some dimensions so it looks as if it were one big screen + */ + + old_width = root->pixWidth; + old_height = root->pixHeight; + + root->pixWidth = PanoramiXPixWidth; + root->pixHeight = PanoramiXPixHeight; + width_mult = (1.0 * root->pixWidth) / old_width; + height_mult = (1.0 * root->pixHeight) / old_height; + root->mmWidth *= width_mult; + root->mmHeight *= height_mult; + + while(ConnectionCallbackList) { + pointer tmp; + + tmp = (pointer)ConnectionCallbackList; + (*ConnectionCallbackList->func)(); + ConnectionCallbackList = ConnectionCallbackList->next; + free(tmp); + } + + return TRUE; +} + +/* + * This isn't just memcmp(), bitsPerRGBValue is skipped. markv made that + * change way back before xf86 4.0, but the comment for _why_ is a bit + * opaque, so I'm not going to question it for now. + * + * This is probably better done as a screen hook so DBE/EVI/GLX can add + * their own tests, and adding privates to VisualRec so they don't have to + * do their own back-mapping. + */ +static Bool +VisualsEqual(VisualPtr a, ScreenPtr pScreenB, VisualPtr b) +{ + return ((a->class == b->class) && + (a->ColormapEntries == b->ColormapEntries) && + (a->nplanes == b->nplanes) && + (a->redMask == b->redMask) && + (a->greenMask == b->greenMask) && + (a->blueMask == b->blueMask) && + (a->offsetRed == b->offsetRed) && + (a->offsetGreen == b->offsetGreen) && + (a->offsetBlue == b->offsetBlue)); +} + +static void +PanoramiXMaybeAddDepth(DepthPtr pDepth) +{ + ScreenPtr pScreen; + int j, k; + Bool found = FALSE; + + for (j = 1; j < PanoramiXNumScreens; j++) { + pScreen = screenInfo.screens[j]; + for (k = 0; k < pScreen->numDepths; k++) { + if (pScreen->allowedDepths[k].depth == pDepth->depth) { + found = TRUE; + break; + } + } + } + + if (!found) + return; + + j = PanoramiXNumDepths; + PanoramiXNumDepths++; + PanoramiXDepths = realloc(PanoramiXDepths, + PanoramiXNumDepths * sizeof(DepthRec)); + PanoramiXDepths[j].depth = pDepth->depth; + PanoramiXDepths[j].numVids = 0; + /* XXX suboptimal, should grow these dynamically */ + if(pDepth->numVids) + PanoramiXDepths[j].vids = malloc(sizeof(VisualID) * pDepth->numVids); + else + PanoramiXDepths[j].vids = NULL; +} + +static void +PanoramiXMaybeAddVisual(VisualPtr pVisual) +{ + ScreenPtr pScreen; + int j, k; + Bool found = FALSE; + + for (j = 1; j < PanoramiXNumScreens; j++) { + pScreen = screenInfo.screens[j]; + found = FALSE; + + for (k = 0; k < pScreen->numVisuals; k++) { + VisualPtr candidate = &pScreen->visuals[k]; + + if ((*XineramaVisualsEqualPtr)(pVisual, pScreen, candidate) +#ifdef GLXPROXY + && glxMatchVisual(screenInfo.screens[0], pVisual, pScreen) +#endif + ) { + found = TRUE; + break; + } + } + + if (!found) + return; + } + + /* found a matching visual on all screens, add it to the subset list */ + j = PanoramiXNumVisuals; + PanoramiXNumVisuals++; + PanoramiXVisuals = realloc(PanoramiXVisuals, + PanoramiXNumVisuals * sizeof(VisualRec)); + + memcpy(&PanoramiXVisuals[j], pVisual, sizeof(VisualRec)); + + for (k = 0; k < PanoramiXNumDepths; k++) { + if (PanoramiXDepths[k].depth == pVisual->nplanes) { + PanoramiXDepths[k].vids[PanoramiXDepths[k].numVids] = pVisual->vid; + PanoramiXDepths[k].numVids++; + break; + } + } +} + +extern void +PanoramiXConsolidate(void) +{ + int i; + PanoramiXRes *root, *defmap, *saver; + ScreenPtr pScreen = screenInfo.screens[0]; + DepthPtr pDepth = pScreen->allowedDepths; + VisualPtr pVisual = pScreen->visuals; + + PanoramiXNumDepths = 0; + PanoramiXNumVisuals = 0; + + for (i = 0; i < pScreen->numDepths; i++) + PanoramiXMaybeAddDepth(pDepth++); + + for (i = 0; i < pScreen->numVisuals; i++) + PanoramiXMaybeAddVisual(pVisual++); + + root = malloc(sizeof(PanoramiXRes)); + root->type = XRT_WINDOW; + defmap = malloc(sizeof(PanoramiXRes)); + defmap->type = XRT_COLORMAP; + saver = malloc(sizeof(PanoramiXRes)); + saver->type = XRT_WINDOW; + + for (i = 0; i < PanoramiXNumScreens; i++) { + ScreenPtr pScreen = screenInfo.screens[i]; + root->info[i].id = pScreen->root->drawable.id; + root->u.win.class = InputOutput; + root->u.win.root = TRUE; + saver->info[i].id = pScreen->screensaver.wid; + saver->u.win.class = InputOutput; + saver->u.win.root = TRUE; + defmap->info[i].id = pScreen->defColormap; + } + + AddResource(root->info[0].id, XRT_WINDOW, root); + AddResource(saver->info[0].id, XRT_WINDOW, saver); + AddResource(defmap->info[0].id, XRT_COLORMAP, defmap); +} + +VisualID +PanoramiXTranslateVisualID(int screen, VisualID orig) +{ + ScreenPtr pOtherScreen = screenInfo.screens[screen]; + VisualPtr pVisual = NULL; + int i; + + for (i = 0; i < PanoramiXNumVisuals; i++) { + if (orig == PanoramiXVisuals[i].vid) { + pVisual = &PanoramiXVisuals[i]; + break; + } + } + + if (!pVisual) + return 0; + + /* if screen is 0, orig is already the correct visual ID */ + if (screen == 0) + return orig; + + /* found the original, now translate it relative to the backend screen */ + for (i = 0; i < pOtherScreen->numVisuals; i++) { + VisualPtr pOtherVisual = &pOtherScreen->visuals[i]; + + if ((*XineramaVisualsEqualPtr)(pVisual, pOtherScreen, pOtherVisual)) + return pOtherVisual->vid; + } + + return 0; +} + + +/* + * PanoramiXResetProc() + * Exit, deallocating as needed. + */ + +static void PanoramiXResetProc(ExtensionEntry* extEntry) +{ + int i; + + PanoramiXRenderReset (); +#ifdef XFIXES + PanoramiXFixesReset (); +#endif + screenInfo.numScreens = PanoramiXNumScreens; + for (i = 256; i--; ) + ProcVector[i] = SavedProcVector[i]; +} + + +int +ProcPanoramiXQueryVersion (ClientPtr client) +{ + /* REQUEST(xPanoramiXQueryVersionReq); */ + xPanoramiXQueryVersionReply rep; + register int n; + + REQUEST_SIZE_MATCH (xPanoramiXQueryVersionReq); + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.majorVersion = SERVER_PANORAMIX_MAJOR_VERSION; + rep.minorVersion = SERVER_PANORAMIX_MINOR_VERSION; + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swaps(&rep.majorVersion, n); + swaps(&rep.minorVersion, n); + } + WriteToClient(client, sizeof (xPanoramiXQueryVersionReply), (char *)&rep); + return Success; +} + +int +ProcPanoramiXGetState(ClientPtr client) +{ + REQUEST(xPanoramiXGetStateReq); + WindowPtr pWin; + xPanoramiXGetStateReply rep; + int n, rc; + + REQUEST_SIZE_MATCH(xPanoramiXGetStateReq); + rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); + if (rc != Success) + return rc; + + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.state = !noPanoramiXExtension; + rep.window = stuff->window; + if (client->swapped) { + swaps (&rep.sequenceNumber, n); + swapl (&rep.length, n); + swapl (&rep.window, n); + } + WriteToClient (client, sizeof (xPanoramiXGetStateReply), (char *) &rep); + return Success; + +} + +int +ProcPanoramiXGetScreenCount(ClientPtr client) +{ + REQUEST(xPanoramiXGetScreenCountReq); + WindowPtr pWin; + xPanoramiXGetScreenCountReply rep; + int n, rc; + + REQUEST_SIZE_MATCH(xPanoramiXGetScreenCountReq); + rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); + if (rc != Success) + return rc; + + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.ScreenCount = PanoramiXNumScreens; + rep.window = stuff->window; + if (client->swapped) { + swaps (&rep.sequenceNumber, n); + swapl (&rep.length, n); + swapl (&rep.window, n); + } + WriteToClient (client, sizeof (xPanoramiXGetScreenCountReply), (char *) &rep); + return Success; +} + +int +ProcPanoramiXGetScreenSize(ClientPtr client) +{ + REQUEST(xPanoramiXGetScreenSizeReq); + WindowPtr pWin; + xPanoramiXGetScreenSizeReply rep; + int n, rc; + + if (stuff->screen >= PanoramiXNumScreens) + return BadMatch; + + REQUEST_SIZE_MATCH(xPanoramiXGetScreenSizeReq); + rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); + if (rc != Success) + return rc; + + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + /* screen dimensions */ + rep.width = screenInfo.screens[stuff->screen]->width; + rep.height = screenInfo.screens[stuff->screen]->height; + rep.window = stuff->window; + rep.screen = stuff->screen; + if (client->swapped) { + swaps (&rep.sequenceNumber, n); + swapl (&rep.length, n); + swapl (&rep.width, n); + swapl (&rep.height, n); + swapl (&rep.window, n); + swapl (&rep.screen, n); + } + WriteToClient (client, sizeof (xPanoramiXGetScreenSizeReply), (char *) &rep); + return Success; +} + + +int +ProcXineramaIsActive(ClientPtr client) +{ + /* REQUEST(xXineramaIsActiveReq); */ + xXineramaIsActiveReply rep; + + REQUEST_SIZE_MATCH(xXineramaIsActiveReq); + + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; +#if 1 + { + /* The following hack fools clients into thinking that Xinerama + * is disabled even though it is not. */ + rep.state = !noPanoramiXExtension && !PanoramiXExtensionDisabledHack; + } +#else + rep.state = !noPanoramiXExtension; +#endif + if (client->swapped) { + int n; + swaps (&rep.sequenceNumber, n); + swapl (&rep.length, n); + swapl (&rep.state, n); + } + WriteToClient (client, sizeof (xXineramaIsActiveReply), (char *) &rep); + return Success; +} + + +int +ProcXineramaQueryScreens(ClientPtr client) +{ + /* REQUEST(xXineramaQueryScreensReq); */ + xXineramaQueryScreensReply rep; + + REQUEST_SIZE_MATCH(xXineramaQueryScreensReq); + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.number = (noPanoramiXExtension) ? 0 : PanoramiXNumScreens; + rep.length = bytes_to_int32(rep.number * sz_XineramaScreenInfo); + if (client->swapped) { + int n; + swaps (&rep.sequenceNumber, n); + swapl (&rep.length, n); + swapl (&rep.number, n); + } + WriteToClient (client, sizeof (xXineramaQueryScreensReply), (char *) &rep); + + if(!noPanoramiXExtension) { + xXineramaScreenInfo scratch; + int i; + + for(i = 0; i < PanoramiXNumScreens; i++) { + scratch.x_org = screenInfo.screens[i]->x; + scratch.y_org = screenInfo.screens[i]->y; + scratch.width = screenInfo.screens[i]->width; + scratch.height = screenInfo.screens[i]->height; + + if(client->swapped) { + int n; + swaps (&scratch.x_org, n); + swaps (&scratch.y_org, n); + swaps (&scratch.width, n); + swaps (&scratch.height, n); + } + WriteToClient (client, sz_XineramaScreenInfo, (char *) &scratch); + } + } + + return Success; +} + + +static int +ProcPanoramiXDispatch (ClientPtr client) +{ REQUEST(xReq); + switch (stuff->data) + { + case X_PanoramiXQueryVersion: + return ProcPanoramiXQueryVersion(client); + case X_PanoramiXGetState: + return ProcPanoramiXGetState(client); + case X_PanoramiXGetScreenCount: + return ProcPanoramiXGetScreenCount(client); + case X_PanoramiXGetScreenSize: + return ProcPanoramiXGetScreenSize(client); + case X_XineramaIsActive: + return ProcXineramaIsActive(client); + case X_XineramaQueryScreens: + return ProcXineramaQueryScreens(client); + } + return BadRequest; +} + + +#if X_BYTE_ORDER == X_LITTLE_ENDIAN +#define SHIFT_L(v,s) (v) << (s) +#define SHIFT_R(v,s) (v) >> (s) +#else +#define SHIFT_L(v,s) (v) >> (s) +#define SHIFT_R(v,s) (v) << (s) +#endif + +static void +CopyBits(char *dst, int shiftL, char *src, int bytes) +{ + /* Just get it to work. Worry about speed later */ + int shiftR = 8 - shiftL; + + while(bytes--) { + *dst |= SHIFT_L(*src, shiftL); + *(dst + 1) |= SHIFT_R(*src, shiftR); + dst++; src++; + } +} + + +/* Caution. This doesn't support 2 and 4 bpp formats. We expect + 1 bpp and planar data to be already cleared when presented + to this function */ + +void +XineramaGetImageData( + DrawablePtr *pDrawables, + int left, + int top, + int width, + int height, + unsigned int format, + unsigned long planemask, + char *data, + int pitch, + Bool isRoot +){ + RegionRec SrcRegion, ScreenRegion, GrabRegion; + BoxRec SrcBox, *pbox; + int x, y, w, h, i, j, nbox, size, sizeNeeded, ScratchPitch, inOut, depth; + DrawablePtr pDraw = pDrawables[0]; + char *ScratchMem = NULL; + + size = 0; + + /* find box in logical screen space */ + SrcBox.x1 = left; + SrcBox.y1 = top; + if(!isRoot) { + SrcBox.x1 += pDraw->x + screenInfo.screens[0]->x; + SrcBox.y1 += pDraw->y + screenInfo.screens[0]->y; + } + SrcBox.x2 = SrcBox.x1 + width; + SrcBox.y2 = SrcBox.y1 + height; + + RegionInit(&SrcRegion, &SrcBox, 1); + RegionNull(&GrabRegion); + + depth = (format == XYPixmap) ? 1 : pDraw->depth; + + for(i = 0; i < PanoramiXNumScreens; i++) { + BoxRec TheBox; + ScreenPtr pScreen; + pDraw = pDrawables[i]; + pScreen = pDraw->pScreen; + + TheBox.x1 = pScreen->x; + TheBox.x2 = TheBox.x1 + pScreen->width; + TheBox.y1 = pScreen->y; + TheBox.y2 = TheBox.y1 + pScreen->height; + + RegionInit(&ScreenRegion, &TheBox, 1); + inOut = RegionContainsRect(&ScreenRegion, &SrcBox); + if(inOut == rgnPART) + RegionIntersect(&GrabRegion, &SrcRegion, &ScreenRegion); + RegionUninit(&ScreenRegion); + + if(inOut == rgnIN) { + (*pScreen->GetImage)(pDraw, + SrcBox.x1 - pDraw->x - screenInfo.screens[i]->x, + SrcBox.y1 - pDraw->y - screenInfo.screens[i]->y, + width, height, format, planemask, data); + break; + } else if (inOut == rgnOUT) + continue; + + nbox = RegionNumRects(&GrabRegion); + + if(nbox) { + pbox = RegionRects(&GrabRegion); + + while(nbox--) { + w = pbox->x2 - pbox->x1; + h = pbox->y2 - pbox->y1; + ScratchPitch = PixmapBytePad(w, depth); + sizeNeeded = ScratchPitch * h; + + if(sizeNeeded > size) { + char *tmpdata = ScratchMem; + ScratchMem = realloc(ScratchMem, sizeNeeded); + if(ScratchMem) + size = sizeNeeded; + else { + ScratchMem = tmpdata; + break; + } + } + + x = pbox->x1 - pDraw->x - screenInfo.screens[i]->x; + y = pbox->y1 - pDraw->y - screenInfo.screens[i]->y; + + (*pScreen->GetImage)(pDraw, x, y, w, h, + format, planemask, ScratchMem); + + /* copy the memory over */ + + if(depth == 1) { + int k, shift, leftover, index, index2; + + x = pbox->x1 - SrcBox.x1; + y = pbox->y1 - SrcBox.y1; + shift = x & 7; + x >>= 3; + leftover = w & 7; + w >>= 3; + + /* clean up the edge */ + if(leftover) { + int mask = (1 << leftover) - 1; + for(j = h, k = w; j--; k += ScratchPitch) + ScratchMem[k] &= mask; + } + + for(j = 0, index = (pitch * y) + x, index2 = 0; j < h; + j++, index += pitch, index2 += ScratchPitch) + { + if(w) { + if(!shift) + memcpy(data + index, ScratchMem + index2, w); + else + CopyBits(data + index, shift, + ScratchMem + index2, w); + } + + if(leftover) { + data[index + w] |= + SHIFT_L(ScratchMem[index2 + w], shift); + if((shift + leftover) > 8) + data[index + w + 1] |= + SHIFT_R(ScratchMem[index2 + w],(8 - shift)); + } + } + } else { + j = BitsPerPixel(depth) >> 3; + x = (pbox->x1 - SrcBox.x1) * j; + y = pbox->y1 - SrcBox.y1; + w *= j; + + for(j = 0; j < h; j++) { + memcpy(data + (pitch * (y + j)) + x, + ScratchMem + (ScratchPitch * j), w); + } + } + pbox++; + } + + RegionSubtract(&SrcRegion, &SrcRegion, &GrabRegion); + if(!RegionNotEmpty(&SrcRegion)) + break; + } + + } + + free(ScratchMem); + + RegionUninit(&SrcRegion); + RegionUninit(&GrabRegion); +} diff --git a/Xext/panoramiX.h b/Xext/panoramiX.h new file mode 100644 index 0000000..a8684f0 --- /dev/null +++ b/Xext/panoramiX.h @@ -0,0 +1,78 @@ +/***************************************************************** + +Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts. + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL +DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING, +BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY, +WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR +IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of Digital Equipment Corporation +shall not be used in advertising or otherwise to promote the sale, use or other +dealings in this Software without prior written authorization from Digital +Equipment Corporation. + +******************************************************************/ + + +/* THIS IS NOT AN X PROJECT TEAM SPECIFICATION */ + +/* + * PanoramiX definitions + */ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#ifndef _PANORAMIX_H_ +#define _PANORAMIX_H_ + +#define _PANORAMIX_SERVER +#include <X11/extensions/panoramiXproto.h> +#undef _PANORAMIX_SERVER +#include "gcstruct.h" + + +typedef struct _PanoramiXInfo { + XID id ; +} PanoramiXInfo; + +typedef struct { + PanoramiXInfo info[MAXSCREENS]; + RESTYPE type; + union { + struct { + char visibility; + char class; + char root; + } win; + struct { + Bool shared; + } pix; + struct { + Bool root; + } pict; + char raw_data[4]; + } u; +} PanoramiXRes; + +#define FOR_NSCREENS_FORWARD(j) for(j = 0; j < PanoramiXNumScreens; j++) +#define FOR_NSCREENS_BACKWARD(j) for(j = PanoramiXNumScreens - 1; j >= 0; j--) +#define FOR_NSCREENS(j) FOR_NSCREENS_FORWARD(j) + +#define IS_SHARED_PIXMAP(r) (((r)->type == XRT_PIXMAP) && (r)->u.pix.shared) + +#endif /* _PANORAMIX_H_ */ diff --git a/Xext/panoramiXSwap.c b/Xext/panoramiXSwap.c new file mode 100644 index 0000000..e1720c9 --- /dev/null +++ b/Xext/panoramiXSwap.c @@ -0,0 +1,142 @@ +/***************************************************************** +Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts. +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL +DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING, +BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY, +WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR +IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of Digital Equipment Corporation +shall not be used in advertising or otherwise to promote the sale, use or other +dealings in this Software without prior written authorization from Digital +Equipment Corporation. +******************************************************************/ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include <stdio.h> +#include <X11/X.h> +#include <X11/Xproto.h> +#include "misc.h" +#include "cursor.h" +#include "cursorstr.h" +#include "extnsionst.h" +#include "dixstruct.h" +#include "gc.h" +#include "gcstruct.h" +#include "scrnintstr.h" +#include "window.h" +#include "windowstr.h" +#include "pixmapstr.h" +#include "panoramiX.h" +#include <X11/extensions/panoramiXproto.h> +#include "panoramiXsrv.h" +#include "globals.h" +#include "panoramiXh.h" + +static int +SProcPanoramiXQueryVersion (ClientPtr client) +{ + REQUEST(xPanoramiXQueryVersionReq); + int n; + + swaps(&stuff->length,n); + REQUEST_SIZE_MATCH (xPanoramiXQueryVersionReq); + return ProcPanoramiXQueryVersion(client); +} + +static int +SProcPanoramiXGetState(ClientPtr client) +{ + REQUEST(xPanoramiXGetStateReq); + int n; + + swaps (&stuff->length, n); + REQUEST_SIZE_MATCH(xPanoramiXGetStateReq); + swapl (&stuff->window, n); + return ProcPanoramiXGetState(client); +} + +static int +SProcPanoramiXGetScreenCount(ClientPtr client) +{ + REQUEST(xPanoramiXGetScreenCountReq); + int n; + + swaps (&stuff->length, n); + REQUEST_SIZE_MATCH(xPanoramiXGetScreenCountReq); + swapl (&stuff->window, n); + return ProcPanoramiXGetScreenCount(client); +} + +static int +SProcPanoramiXGetScreenSize(ClientPtr client) +{ + REQUEST(xPanoramiXGetScreenSizeReq); + int n; + + swaps (&stuff->length, n); + REQUEST_SIZE_MATCH(xPanoramiXGetScreenSizeReq); + swapl (&stuff->window, n); + swapl (&stuff->screen, n); + return ProcPanoramiXGetScreenSize(client); +} + + +static int +SProcXineramaIsActive(ClientPtr client) +{ + REQUEST(xXineramaIsActiveReq); + int n; + + swaps (&stuff->length, n); + REQUEST_SIZE_MATCH(xXineramaIsActiveReq); + return ProcXineramaIsActive(client); +} + + +static int +SProcXineramaQueryScreens(ClientPtr client) +{ + REQUEST(xXineramaQueryScreensReq); + int n; + + swaps (&stuff->length, n); + REQUEST_SIZE_MATCH(xXineramaQueryScreensReq); + return ProcXineramaQueryScreens(client); +} + + +int +SProcPanoramiXDispatch (ClientPtr client) +{ REQUEST(xReq); + switch (stuff->data) + { + case X_PanoramiXQueryVersion: + return SProcPanoramiXQueryVersion(client); + case X_PanoramiXGetState: + return SProcPanoramiXGetState(client); + case X_PanoramiXGetScreenCount: + return SProcPanoramiXGetScreenCount(client); + case X_PanoramiXGetScreenSize: + return SProcPanoramiXGetScreenSize(client); + case X_XineramaIsActive: + return SProcXineramaIsActive(client); + case X_XineramaQueryScreens: + return SProcXineramaQueryScreens(client); + } + return BadRequest; +} diff --git a/Xext/panoramiXh.h b/Xext/panoramiXh.h new file mode 100644 index 0000000..31b8f90 --- /dev/null +++ b/Xext/panoramiXh.h @@ -0,0 +1,73 @@ + +/* + * Server dispatcher function replacements + */ + +extern int PanoramiXCreateWindow(ClientPtr client); +extern int PanoramiXChangeWindowAttributes(ClientPtr client); +extern int PanoramiXDestroyWindow(ClientPtr client); +extern int PanoramiXDestroySubwindows(ClientPtr client); +extern int PanoramiXChangeSaveSet(ClientPtr client); +extern int PanoramiXReparentWindow(ClientPtr client); +extern int PanoramiXMapWindow(ClientPtr client); +extern int PanoramiXMapSubwindows(ClientPtr client); +extern int PanoramiXUnmapWindow(ClientPtr client); +extern int PanoramiXUnmapSubwindows(ClientPtr client); +extern int PanoramiXConfigureWindow(ClientPtr client); +extern int PanoramiXCirculateWindow(ClientPtr client); +extern int PanoramiXGetGeometry(ClientPtr client); +extern int PanoramiXTranslateCoords(ClientPtr client); +extern int PanoramiXCreatePixmap(ClientPtr client); +extern int PanoramiXFreePixmap(ClientPtr client); +extern int PanoramiXChangeGC(ClientPtr client); +extern int PanoramiXCopyGC(ClientPtr client); +extern int PanoramiXCopyColormapAndFree(ClientPtr client); +extern int PanoramiXCreateGC(ClientPtr client); +extern int PanoramiXSetDashes(ClientPtr client); +extern int PanoramiXSetClipRectangles(ClientPtr client); +extern int PanoramiXFreeGC(ClientPtr client); +extern int PanoramiXClearToBackground(ClientPtr client); +extern int PanoramiXCopyArea(ClientPtr client); +extern int PanoramiXCopyPlane(ClientPtr client); +extern int PanoramiXPolyPoint(ClientPtr client); +extern int PanoramiXPolyLine(ClientPtr client); +extern int PanoramiXPolySegment(ClientPtr client); +extern int PanoramiXPolyRectangle(ClientPtr client); +extern int PanoramiXPolyArc(ClientPtr client); +extern int PanoramiXFillPoly(ClientPtr client); +extern int PanoramiXPolyFillArc(ClientPtr client); +extern int PanoramiXPolyFillRectangle(ClientPtr client); +extern int PanoramiXPutImage(ClientPtr client); +extern int PanoramiXGetImage(ClientPtr client); +extern int PanoramiXPolyText8(ClientPtr client); +extern int PanoramiXPolyText16(ClientPtr client); +extern int PanoramiXImageText8(ClientPtr client); +extern int PanoramiXImageText16(ClientPtr client); +extern int PanoramiXCreateColormap(ClientPtr client); +extern int PanoramiXFreeColormap(ClientPtr client); +extern int PanoramiXInstallColormap(ClientPtr client); +extern int PanoramiXUninstallColormap(ClientPtr client); +extern int PanoramiXAllocColor(ClientPtr client); +extern int PanoramiXAllocNamedColor(ClientPtr client); +extern int PanoramiXAllocColorCells(ClientPtr client); +extern int PanoramiXStoreNamedColor(ClientPtr client); +extern int PanoramiXFreeColors(ClientPtr client); +extern int PanoramiXStoreColors(ClientPtr client); +extern int PanoramiXAllocColorPlanes(ClientPtr client); + +#define PROC_EXTERN(pfunc) extern int pfunc(ClientPtr) + +PROC_EXTERN(ProcPanoramiXQueryVersion); +PROC_EXTERN(ProcPanoramiXGetState); +PROC_EXTERN(ProcPanoramiXGetScreenCount); +PROC_EXTERN(ProcPanoramiXGetScreenSize); + +PROC_EXTERN(ProcXineramaQueryScreens); +PROC_EXTERN(ProcXineramaIsActive); + +extern int SProcPanoramiXDispatch(ClientPtr client); + +extern int connBlockScreenStart; +extern xConnSetupPrefix connSetupPrefix; + +extern int (* SavedProcVector[256]) (ClientPtr client); diff --git a/Xext/panoramiXprocs.c b/Xext/panoramiXprocs.c new file mode 100644 index 0000000..d843168 --- /dev/null +++ b/Xext/panoramiXprocs.c @@ -0,0 +1,2428 @@ +/***************************************************************** +Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts. +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL +DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING, +BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY, +WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR +IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of Digital Equipment Corporation +shall not be used in advertising or otherwise to promote the sale, use or other +dealings in this Software without prior written authorization from Digital +Equipment Corporation. +******************************************************************/ + +/* Massively rewritten by Mark Vojkovich <markv@valinux.com> */ + + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include <stdio.h> +#include <X11/X.h> +#include <X11/Xproto.h> +#include "windowstr.h" +#include "dixfontstr.h" +#include "gcstruct.h" +#include "colormapst.h" +#include "scrnintstr.h" +#include "opaque.h" +#include "inputstr.h" +#include "migc.h" +#include "misc.h" +#include "dixstruct.h" +#include "panoramiX.h" +#include "panoramiXsrv.h" +#include "resource.h" +#include "panoramiXh.h" + +#define XINERAMA_IMAGE_BUFSIZE (256*1024) +#define INPUTONLY_LEGAL_MASK (CWWinGravity | CWEventMask | \ + CWDontPropagate | CWOverrideRedirect | CWCursor ) + +int PanoramiXCreateWindow(ClientPtr client) +{ + PanoramiXRes *parent, *newWin; + PanoramiXRes *backPix = NULL; + PanoramiXRes *bordPix = NULL; + PanoramiXRes *cmap = NULL; + REQUEST(xCreateWindowReq); + int pback_offset = 0, pbord_offset = 0, cmap_offset = 0; + int result, len, j; + int orig_x, orig_y; + XID orig_visual, tmp; + Bool parentIsRoot; + + REQUEST_AT_LEAST_SIZE(xCreateWindowReq); + + len = client->req_len - bytes_to_int32(sizeof(xCreateWindowReq)); + if (Ones(stuff->mask) != len) + return BadLength; + + result = dixLookupResourceByType((pointer *)&parent, stuff->parent, + XRT_WINDOW, client, DixWriteAccess); + if (result != Success) + return result; + + if(stuff->class == CopyFromParent) + stuff->class = parent->u.win.class; + + if((stuff->class == InputOnly) && (stuff->mask & (~INPUTONLY_LEGAL_MASK))) + return BadMatch; + + if ((Mask)stuff->mask & CWBackPixmap) { + pback_offset = Ones((Mask)stuff->mask & (CWBackPixmap - 1)); + tmp = *((CARD32 *) &stuff[1] + pback_offset); + if ((tmp != None) && (tmp != ParentRelative)) { + result = dixLookupResourceByType((pointer *)&backPix, tmp, + XRT_PIXMAP, client, DixReadAccess); + if (result != Success) + return result; + } + } + if ((Mask)stuff->mask & CWBorderPixmap) { + pbord_offset = Ones((Mask)stuff->mask & (CWBorderPixmap - 1)); + tmp = *((CARD32 *) &stuff[1] + pbord_offset); + if (tmp != CopyFromParent) { + result = dixLookupResourceByType((pointer *)&bordPix, tmp, + XRT_PIXMAP, client, DixReadAccess); + if (result != Success) + return result; + } + } + if ((Mask)stuff->mask & CWColormap) { + cmap_offset = Ones((Mask)stuff->mask & (CWColormap - 1)); + tmp = *((CARD32 *) &stuff[1] + cmap_offset); + if ((tmp != CopyFromParent) && (tmp != None)) { + result = dixLookupResourceByType((pointer *)&cmap, tmp, + XRT_COLORMAP, client, DixReadAccess); + if (result != Success) + return result; + } + } + + if(!(newWin = malloc(sizeof(PanoramiXRes)))) + return BadAlloc; + + newWin->type = XRT_WINDOW; + newWin->u.win.visibility = VisibilityNotViewable; + newWin->u.win.class = stuff->class; + newWin->u.win.root = FALSE; + newWin->info[0].id = stuff->wid; + for(j = 1; j < PanoramiXNumScreens; j++) + newWin->info[j].id = FakeClientID(client->index); + + if (stuff->class == InputOnly) + stuff->visual = CopyFromParent; + orig_visual = stuff->visual; + orig_x = stuff->x; + orig_y = stuff->y; + parentIsRoot = (stuff->parent == screenInfo.screens[0]->root->drawable.id) || + (stuff->parent == screenInfo.screens[0]->screensaver.wid); + FOR_NSCREENS_BACKWARD(j) { + stuff->wid = newWin->info[j].id; + stuff->parent = parent->info[j].id; + if (parentIsRoot) { + stuff->x = orig_x - screenInfo.screens[j]->x; + stuff->y = orig_y - screenInfo.screens[j]->y; + } + if (backPix) + *((CARD32 *) &stuff[1] + pback_offset) = backPix->info[j].id; + if (bordPix) + *((CARD32 *) &stuff[1] + pbord_offset) = bordPix->info[j].id; + if (cmap) + *((CARD32 *) &stuff[1] + cmap_offset) = cmap->info[j].id; + if ( orig_visual != CopyFromParent ) + stuff->visual = PanoramiXTranslateVisualID(j, orig_visual); + result = (*SavedProcVector[X_CreateWindow])(client); + if(result != Success) break; + } + + if (result == Success) + AddResource(newWin->info[0].id, XRT_WINDOW, newWin); + else + free(newWin); + + return result; +} + + +int PanoramiXChangeWindowAttributes(ClientPtr client) +{ + PanoramiXRes *win; + PanoramiXRes *backPix = NULL; + PanoramiXRes *bordPix = NULL; + PanoramiXRes *cmap = NULL; + REQUEST(xChangeWindowAttributesReq); + int pback_offset = 0, pbord_offset = 0, cmap_offset = 0; + int result, len, j; + XID tmp; + + REQUEST_AT_LEAST_SIZE(xChangeWindowAttributesReq); + + len = client->req_len - bytes_to_int32(sizeof(xChangeWindowAttributesReq)); + if (Ones(stuff->valueMask) != len) + return BadLength; + + result = dixLookupResourceByType((pointer *)&win, stuff->window, + XRT_WINDOW, client, DixWriteAccess); + if (result != Success) + return result; + + if((win->u.win.class == InputOnly) && + (stuff->valueMask & (~INPUTONLY_LEGAL_MASK))) + return BadMatch; + + if ((Mask)stuff->valueMask & CWBackPixmap) { + pback_offset = Ones((Mask)stuff->valueMask & (CWBackPixmap - 1)); + tmp = *((CARD32 *) &stuff[1] + pback_offset); + if ((tmp != None) && (tmp != ParentRelative)) { + result = dixLookupResourceByType((pointer *)&backPix, tmp, + XRT_PIXMAP, client, DixReadAccess); + if (result != Success) + return result; + } + } + if ((Mask)stuff->valueMask & CWBorderPixmap) { + pbord_offset = Ones((Mask)stuff->valueMask & (CWBorderPixmap - 1)); + tmp = *((CARD32 *) &stuff[1] + pbord_offset); + if (tmp != CopyFromParent) { + result = dixLookupResourceByType((pointer *)&bordPix, tmp, + XRT_PIXMAP, client, DixReadAccess); + if (result != Success) + return result; + } + } + if ((Mask)stuff->valueMask & CWColormap) { + cmap_offset = Ones((Mask)stuff->valueMask & (CWColormap - 1)); + tmp = *((CARD32 *) &stuff[1] + cmap_offset); + if ((tmp != CopyFromParent) && (tmp != None)) { + result = dixLookupResourceByType((pointer *)&cmap, tmp, + XRT_COLORMAP, client, DixReadAccess); + if (result != Success) + return result; + } + } + + FOR_NSCREENS_BACKWARD(j) { + stuff->window = win->info[j].id; + if (backPix) + *((CARD32 *) &stuff[1] + pback_offset) = backPix->info[j].id; + if (bordPix) + *((CARD32 *) &stuff[1] + pbord_offset) = bordPix->info[j].id; + if (cmap) + *((CARD32 *) &stuff[1] + cmap_offset) = cmap->info[j].id; + result = (*SavedProcVector[X_ChangeWindowAttributes])(client); + } + + return result; +} + + +int PanoramiXDestroyWindow(ClientPtr client) +{ + PanoramiXRes *win; + int result, j; + REQUEST(xResourceReq); + + REQUEST_SIZE_MATCH(xResourceReq); + + result = dixLookupResourceByType((pointer *)&win, stuff->id, XRT_WINDOW, + client, DixDestroyAccess); + if (result != Success) + return result; + + FOR_NSCREENS_BACKWARD(j) { + stuff->id = win->info[j].id; + result = (*SavedProcVector[X_DestroyWindow])(client); + if(result != Success) break; + } + + /* Since ProcDestroyWindow is using FreeResource, it will free + our resource for us on the last pass through the loop above */ + + return result; +} + + +int PanoramiXDestroySubwindows(ClientPtr client) +{ + PanoramiXRes *win; + int result, j; + REQUEST(xResourceReq); + + REQUEST_SIZE_MATCH(xResourceReq); + + result = dixLookupResourceByType((pointer *)&win, stuff->id, XRT_WINDOW, + client, DixDestroyAccess); + if (result != Success) + return result; + + FOR_NSCREENS_BACKWARD(j) { + stuff->id = win->info[j].id; + result = (*SavedProcVector[X_DestroySubwindows])(client); + if(result != Success) break; + } + + /* DestroySubwindows is using FreeResource which will free + our resources for us on the last pass through the loop above */ + + return result; +} + + +int PanoramiXChangeSaveSet(ClientPtr client) +{ + PanoramiXRes *win; + int result, j; + REQUEST(xChangeSaveSetReq); + + REQUEST_SIZE_MATCH(xChangeSaveSetReq); + + result = dixLookupResourceByType((pointer *)&win, stuff->window, + XRT_WINDOW, client, DixReadAccess); + if (result != Success) + return result; + + FOR_NSCREENS_BACKWARD(j) { + stuff->window = win->info[j].id; + result = (*SavedProcVector[X_ChangeSaveSet])(client); + if(result != Success) break; + } + + return result; +} + + +int PanoramiXReparentWindow(ClientPtr client) +{ + PanoramiXRes *win, *parent; + int result, j; + int x, y; + Bool parentIsRoot; + REQUEST(xReparentWindowReq); + + REQUEST_SIZE_MATCH(xReparentWindowReq); + + result = dixLookupResourceByType((pointer *)&win, stuff->window, + XRT_WINDOW, client, DixWriteAccess); + if (result != Success) + return result; + + result = dixLookupResourceByType((pointer *)&parent, stuff->parent, + XRT_WINDOW, client, DixWriteAccess); + if (result != Success) + return result; + + x = stuff->x; + y = stuff->y; + parentIsRoot = (stuff->parent == screenInfo.screens[0]->root->drawable.id) || + (stuff->parent == screenInfo.screens[0]->screensaver.wid); + FOR_NSCREENS_BACKWARD(j) { + stuff->window = win->info[j].id; + stuff->parent = parent->info[j].id; + if(parentIsRoot) { + stuff->x = x - screenInfo.screens[j]->x; + stuff->y = y - screenInfo.screens[j]->y; + } + result = (*SavedProcVector[X_ReparentWindow])(client); + if(result != Success) break; + } + + return result; +} + + +int PanoramiXMapWindow(ClientPtr client) +{ + PanoramiXRes *win; + int result, j; + REQUEST(xResourceReq); + + REQUEST_SIZE_MATCH(xResourceReq); + + result = dixLookupResourceByType((pointer *)&win, stuff->id, + XRT_WINDOW, client, DixReadAccess); + if (result != Success) + return result; + + FOR_NSCREENS_FORWARD(j) { + stuff->id = win->info[j].id; + result = (*SavedProcVector[X_MapWindow])(client); + if(result != Success) break; + } + + return result; +} + + +int PanoramiXMapSubwindows(ClientPtr client) +{ + PanoramiXRes *win; + int result, j; + REQUEST(xResourceReq); + + REQUEST_SIZE_MATCH(xResourceReq); + + result = dixLookupResourceByType((pointer *)&win, stuff->id, + XRT_WINDOW, client, DixReadAccess); + if (result != Success) + return result; + + FOR_NSCREENS_FORWARD(j) { + stuff->id = win->info[j].id; + result = (*SavedProcVector[X_MapSubwindows])(client); + if(result != Success) break; + } + + return result; +} + + +int PanoramiXUnmapWindow(ClientPtr client) +{ + PanoramiXRes *win; + int result, j; + REQUEST(xResourceReq); + + REQUEST_SIZE_MATCH(xResourceReq); + + result = dixLookupResourceByType((pointer *)&win, stuff->id, + XRT_WINDOW, client, DixReadAccess); + if (result != Success) + return result; + + FOR_NSCREENS_FORWARD(j) { + stuff->id = win->info[j].id; + result = (*SavedProcVector[X_UnmapWindow])(client); + if(result != Success) break; + } + + return result; +} + + +int PanoramiXUnmapSubwindows(ClientPtr client) +{ + PanoramiXRes *win; + int result, j; + REQUEST(xResourceReq); + + REQUEST_SIZE_MATCH(xResourceReq); + + result = dixLookupResourceByType((pointer *)&win, stuff->id, + XRT_WINDOW, client, DixReadAccess); + if (result != Success) + return result; + + FOR_NSCREENS_FORWARD(j) { + stuff->id = win->info[j].id; + result = (*SavedProcVector[X_UnmapSubwindows])(client); + if(result != Success) break; + } + + return result; +} + + +int PanoramiXConfigureWindow(ClientPtr client) +{ + PanoramiXRes *win; + PanoramiXRes *sib = NULL; + WindowPtr pWin; + int result, j, len, sib_offset = 0, x = 0, y = 0; + int x_offset = -1; + int y_offset = -1; + REQUEST(xConfigureWindowReq); + + REQUEST_AT_LEAST_SIZE(xConfigureWindowReq); + + len = client->req_len - bytes_to_int32(sizeof(xConfigureWindowReq)); + if (Ones(stuff->mask) != len) + return BadLength; + + /* because we need the parent */ + result = dixLookupResourceByType((pointer *)&pWin, stuff->window, + RT_WINDOW, client, DixWriteAccess); + if (result != Success) + return result; + + result = dixLookupResourceByType((pointer *)&win, stuff->window, + XRT_WINDOW, client, DixWriteAccess); + if (result != Success) + return result; + + if ((Mask)stuff->mask & CWSibling) { + XID tmp; + sib_offset = Ones((Mask)stuff->mask & (CWSibling - 1)); + if ((tmp = *((CARD32 *) &stuff[1] + sib_offset))) { + result = dixLookupResourceByType((pointer *)&sib, tmp, XRT_WINDOW, + client, DixReadAccess); + if (result != Success) + return result; + } + } + + if(pWin->parent && ((pWin->parent == screenInfo.screens[0]->root) || + (pWin->parent->drawable.id == screenInfo.screens[0]->screensaver.wid))) + { + if ((Mask)stuff->mask & CWX) { + x_offset = 0; + x = *((CARD32 *)&stuff[1]); + } + if ((Mask)stuff->mask & CWY) { + y_offset = (x_offset == -1) ? 0 : 1; + y = *((CARD32 *) &stuff[1] + y_offset); + } + } + + /* have to go forward or you get expose events before + ConfigureNotify events */ + FOR_NSCREENS_FORWARD(j) { + stuff->window = win->info[j].id; + if(sib) + *((CARD32 *) &stuff[1] + sib_offset) = sib->info[j].id; + if(x_offset >= 0) + *((CARD32 *) &stuff[1] + x_offset) = x - screenInfo.screens[j]->x; + if(y_offset >= 0) + *((CARD32 *) &stuff[1] + y_offset) = y - screenInfo.screens[j]->y; + result = (*SavedProcVector[X_ConfigureWindow])(client); + if(result != Success) break; + } + + return result; +} + + +int PanoramiXCirculateWindow(ClientPtr client) +{ + PanoramiXRes *win; + int result, j; + REQUEST(xCirculateWindowReq); + + REQUEST_SIZE_MATCH(xCirculateWindowReq); + + result = dixLookupResourceByType((pointer *)&win, stuff->window, + XRT_WINDOW, client, DixWriteAccess); + if (result != Success) + return result; + + FOR_NSCREENS_FORWARD(j) { + stuff->window = win->info[j].id; + result = (*SavedProcVector[X_CirculateWindow])(client); + if(result != Success) break; + } + + return result; +} + + +int PanoramiXGetGeometry(ClientPtr client) +{ + xGetGeometryReply rep; + DrawablePtr pDraw; + int rc; + REQUEST(xResourceReq); + + REQUEST_SIZE_MATCH(xResourceReq); + rc = dixLookupDrawable(&pDraw, stuff->id, client, M_ANY, DixGetAttrAccess); + if (rc != Success) + return rc; + + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.root = screenInfo.screens[0]->root->drawable.id; + rep.depth = pDraw->depth; + rep.width = pDraw->width; + rep.height = pDraw->height; + rep.x = rep.y = rep.borderWidth = 0; + + if (stuff->id == rep.root) { + xWindowRoot *root = (xWindowRoot *) + (ConnectionInfo + connBlockScreenStart); + + rep.width = root->pixWidth; + rep.height = root->pixHeight; + } else + if (WindowDrawable(pDraw->type)) + { + WindowPtr pWin = (WindowPtr)pDraw; + rep.x = pWin->origin.x - wBorderWidth (pWin); + rep.y = pWin->origin.y - wBorderWidth (pWin); + if((pWin->parent == screenInfo.screens[0]->root) || + (pWin->parent->drawable.id == screenInfo.screens[0]->screensaver.wid)) + { + rep.x += screenInfo.screens[0]->x; + rep.y += screenInfo.screens[0]->y; + } + rep.borderWidth = pWin->borderWidth; + } + + WriteReplyToClient(client, sizeof(xGetGeometryReply), &rep); + return Success; +} + +int PanoramiXTranslateCoords(ClientPtr client) +{ + INT16 x, y; + REQUEST(xTranslateCoordsReq); + int rc; + WindowPtr pWin, pDst; + xTranslateCoordsReply rep; + + REQUEST_SIZE_MATCH(xTranslateCoordsReq); + rc = dixLookupWindow(&pWin, stuff->srcWid, client, DixReadAccess); + if (rc != Success) + return rc; + rc = dixLookupWindow(&pDst, stuff->dstWid, client, DixReadAccess); + if (rc != Success) + return rc; + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.sameScreen = xTrue; + rep.child = None; + + if((pWin == screenInfo.screens[0]->root) || + (pWin->drawable.id == screenInfo.screens[0]->screensaver.wid)) + { + x = stuff->srcX - screenInfo.screens[0]->x; + y = stuff->srcY - screenInfo.screens[0]->y; + } else { + x = pWin->drawable.x + stuff->srcX; + y = pWin->drawable.y + stuff->srcY; + } + pWin = pDst->firstChild; + while (pWin) { + BoxRec box; + if ((pWin->mapped) && + (x >= pWin->drawable.x - wBorderWidth (pWin)) && + (x < pWin->drawable.x + (int)pWin->drawable.width + + wBorderWidth (pWin)) && + (y >= pWin->drawable.y - wBorderWidth (pWin)) && + (y < pWin->drawable.y + (int)pWin->drawable.height + + wBorderWidth (pWin)) + /* When a window is shaped, a further check + * is made to see if the point is inside + * borderSize + */ + && (!wBoundingShape(pWin) || + RegionContainsPoint(wBoundingShape(pWin), + x - pWin->drawable.x, + y - pWin->drawable.y, &box)) + ) + { + rep.child = pWin->drawable.id; + pWin = (WindowPtr) NULL; + } + else + pWin = pWin->nextSib; + } + rep.dstX = x - pDst->drawable.x; + rep.dstY = y - pDst->drawable.y; + if((pDst == screenInfo.screens[0]->root) || + (pDst->drawable.id == screenInfo.screens[0]->screensaver.wid)) + { + rep.dstX += screenInfo.screens[0]->x; + rep.dstY += screenInfo.screens[0]->y; + } + + WriteReplyToClient(client, sizeof(xTranslateCoordsReply), &rep); + return Success; +} + +int PanoramiXCreatePixmap(ClientPtr client) +{ + PanoramiXRes *refDraw, *newPix; + int result, j; + REQUEST(xCreatePixmapReq); + + REQUEST_SIZE_MATCH(xCreatePixmapReq); + client->errorValue = stuff->pid; + + result = dixLookupResourceByClass((pointer *)&refDraw, stuff->drawable, + XRC_DRAWABLE, client, DixReadAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + if(!(newPix = malloc(sizeof(PanoramiXRes)))) + return BadAlloc; + + newPix->type = XRT_PIXMAP; + newPix->u.pix.shared = FALSE; + newPix->info[0].id = stuff->pid; + for(j = 1; j < PanoramiXNumScreens; j++) + newPix->info[j].id = FakeClientID(client->index); + + FOR_NSCREENS_BACKWARD(j) { + stuff->pid = newPix->info[j].id; + stuff->drawable = refDraw->info[j].id; + result = (*SavedProcVector[X_CreatePixmap])(client); + if(result != Success) break; + } + + if (result == Success) + AddResource(newPix->info[0].id, XRT_PIXMAP, newPix); + else + free(newPix); + + return result; +} + + +int PanoramiXFreePixmap(ClientPtr client) +{ + PanoramiXRes *pix; + int result, j; + REQUEST(xResourceReq); + + REQUEST_SIZE_MATCH(xResourceReq); + + client->errorValue = stuff->id; + + result = dixLookupResourceByType((pointer *)&pix, stuff->id, XRT_PIXMAP, + client, DixDestroyAccess); + if (result != Success) + return result; + + FOR_NSCREENS_BACKWARD(j) { + stuff->id = pix->info[j].id; + result = (*SavedProcVector[X_FreePixmap])(client); + if(result != Success) break; + } + + /* Since ProcFreePixmap is using FreeResource, it will free + our resource for us on the last pass through the loop above */ + + return result; +} + + +int PanoramiXCreateGC(ClientPtr client) +{ + PanoramiXRes *refDraw; + PanoramiXRes *newGC; + PanoramiXRes *stip = NULL; + PanoramiXRes *tile = NULL; + PanoramiXRes *clip = NULL; + REQUEST(xCreateGCReq); + int tile_offset = 0, stip_offset = 0, clip_offset = 0; + int result, len, j; + XID tmp; + + REQUEST_AT_LEAST_SIZE(xCreateGCReq); + + client->errorValue = stuff->gc; + len = client->req_len - bytes_to_int32(sizeof(xCreateGCReq)); + if (Ones(stuff->mask) != len) + return BadLength; + + result = dixLookupResourceByClass((pointer *)&refDraw, stuff->drawable, + XRC_DRAWABLE, client, DixReadAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + if ((Mask)stuff->mask & GCTile) { + tile_offset = Ones((Mask)stuff->mask & (GCTile - 1)); + if ((tmp = *((CARD32 *) &stuff[1] + tile_offset))) { + result = dixLookupResourceByType((pointer *)&tile, tmp, XRT_PIXMAP, + client, DixReadAccess); + if (result != Success) + return result; + } + } + if ((Mask)stuff->mask & GCStipple) { + stip_offset = Ones((Mask)stuff->mask & (GCStipple - 1)); + if ((tmp = *((CARD32 *) &stuff[1] + stip_offset))) { + result = dixLookupResourceByType((pointer *)&stip, tmp, XRT_PIXMAP, + client, DixReadAccess); + if (result != Success) + return result; + } + } + if ((Mask)stuff->mask & GCClipMask) { + clip_offset = Ones((Mask)stuff->mask & (GCClipMask - 1)); + if ((tmp = *((CARD32 *) &stuff[1] + clip_offset))) { + result = dixLookupResourceByType((pointer *)&clip, tmp, XRT_PIXMAP, + client, DixReadAccess); + if (result != Success) + return result; + } + } + + if(!(newGC = malloc(sizeof(PanoramiXRes)))) + return BadAlloc; + + newGC->type = XRT_GC; + newGC->info[0].id = stuff->gc; + for(j = 1; j < PanoramiXNumScreens; j++) + newGC->info[j].id = FakeClientID(client->index); + + FOR_NSCREENS_BACKWARD(j) { + stuff->gc = newGC->info[j].id; + stuff->drawable = refDraw->info[j].id; + if (tile) + *((CARD32 *) &stuff[1] + tile_offset) = tile->info[j].id; + if (stip) + *((CARD32 *) &stuff[1] + stip_offset) = stip->info[j].id; + if (clip) + *((CARD32 *) &stuff[1] + clip_offset) = clip->info[j].id; + result = (*SavedProcVector[X_CreateGC])(client); + if(result != Success) break; + } + + if (result == Success) + AddResource(newGC->info[0].id, XRT_GC, newGC); + else + free(newGC); + + return result; +} + +int PanoramiXChangeGC(ClientPtr client) +{ + PanoramiXRes *gc; + PanoramiXRes *stip = NULL; + PanoramiXRes *tile = NULL; + PanoramiXRes *clip = NULL; + REQUEST(xChangeGCReq); + int tile_offset = 0, stip_offset = 0, clip_offset = 0; + int result, len, j; + XID tmp; + + REQUEST_AT_LEAST_SIZE(xChangeGCReq); + + len = client->req_len - bytes_to_int32(sizeof(xChangeGCReq)); + if (Ones(stuff->mask) != len) + return BadLength; + + result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, + client, DixReadAccess); + if (result != Success) + return result; + + if ((Mask)stuff->mask & GCTile) { + tile_offset = Ones((Mask)stuff->mask & (GCTile - 1)); + if ((tmp = *((CARD32 *) &stuff[1] + tile_offset))) { + result = dixLookupResourceByType((pointer *)&tile, tmp, XRT_PIXMAP, + client, DixReadAccess); + if (result != Success) + return result; + } + } + if ((Mask)stuff->mask & GCStipple) { + stip_offset = Ones((Mask)stuff->mask & (GCStipple - 1)); + if ((tmp = *((CARD32 *) &stuff[1] + stip_offset))) { + result = dixLookupResourceByType((pointer *)&stip, tmp, XRT_PIXMAP, + client, DixReadAccess); + if (result != Success) + return result; + } + } + if ((Mask)stuff->mask & GCClipMask) { + clip_offset = Ones((Mask)stuff->mask & (GCClipMask - 1)); + if ((tmp = *((CARD32 *) &stuff[1] + clip_offset))) { + result = dixLookupResourceByType((pointer *)&clip, tmp, XRT_PIXMAP, + client, DixReadAccess); + if (result != Success) + return result; + } + } + + + FOR_NSCREENS_BACKWARD(j) { + stuff->gc = gc->info[j].id; + if (tile) + *((CARD32 *) &stuff[1] + tile_offset) = tile->info[j].id; + if (stip) + *((CARD32 *) &stuff[1] + stip_offset) = stip->info[j].id; + if (clip) + *((CARD32 *) &stuff[1] + clip_offset) = clip->info[j].id; + result = (*SavedProcVector[X_ChangeGC])(client); + if(result != Success) break; + } + + return result; +} + + +int PanoramiXCopyGC(ClientPtr client) +{ + PanoramiXRes *srcGC, *dstGC; + int result, j; + REQUEST(xCopyGCReq); + + REQUEST_SIZE_MATCH(xCopyGCReq); + + result = dixLookupResourceByType((pointer *)&srcGC, stuff->srcGC, XRT_GC, + client, DixReadAccess); + if (result != Success) + return result; + + result = dixLookupResourceByType((pointer *)&dstGC, stuff->dstGC, XRT_GC, + client, DixWriteAccess); + if (result != Success) + return result; + + FOR_NSCREENS(j) { + stuff->srcGC = srcGC->info[j].id; + stuff->dstGC = dstGC->info[j].id; + result = (*SavedProcVector[X_CopyGC])(client); + if(result != Success) break; + } + + return result; +} + + +int PanoramiXSetDashes(ClientPtr client) +{ + PanoramiXRes *gc; + int result, j; + REQUEST(xSetDashesReq); + + REQUEST_FIXED_SIZE(xSetDashesReq, stuff->nDashes); + + result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, + client, DixWriteAccess); + if (result != Success) + return result; + + FOR_NSCREENS_BACKWARD(j) { + stuff->gc = gc->info[j].id; + result = (*SavedProcVector[X_SetDashes])(client); + if(result != Success) break; + } + + return result; +} + + +int PanoramiXSetClipRectangles(ClientPtr client) +{ + PanoramiXRes *gc; + int result, j; + REQUEST(xSetClipRectanglesReq); + + REQUEST_AT_LEAST_SIZE(xSetClipRectanglesReq); + + result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, + client, DixWriteAccess); + if (result != Success) + return result; + + FOR_NSCREENS_BACKWARD(j) { + stuff->gc = gc->info[j].id; + result = (*SavedProcVector[X_SetClipRectangles])(client); + if(result != Success) break; + } + + return result; +} + + +int PanoramiXFreeGC(ClientPtr client) +{ + PanoramiXRes *gc; + int result, j; + REQUEST(xResourceReq); + + REQUEST_SIZE_MATCH(xResourceReq); + + result = dixLookupResourceByType((pointer *)&gc, stuff->id, XRT_GC, + client, DixDestroyAccess); + if (result != Success) + return result; + + FOR_NSCREENS_BACKWARD(j) { + stuff->id = gc->info[j].id; + result = (*SavedProcVector[X_FreeGC])(client); + if(result != Success) break; + } + + /* Since ProcFreeGC is using FreeResource, it will free + our resource for us on the last pass through the loop above */ + + return result; +} + + +int PanoramiXClearToBackground(ClientPtr client) +{ + PanoramiXRes *win; + int result, j, x, y; + Bool isRoot; + REQUEST(xClearAreaReq); + + REQUEST_SIZE_MATCH(xClearAreaReq); + + result = dixLookupResourceByType((pointer *)&win, stuff->window, + XRT_WINDOW, client, DixWriteAccess); + if (result != Success) + return result; + + x = stuff->x; + y = stuff->y; + isRoot = win->u.win.root; + FOR_NSCREENS_BACKWARD(j) { + stuff->window = win->info[j].id; + if(isRoot) { + stuff->x = x - screenInfo.screens[j]->x; + stuff->y = y - screenInfo.screens[j]->y; + } + result = (*SavedProcVector[X_ClearArea])(client); + if(result != Success) break; + } + + return result; +} + + +/* + For Window to Pixmap copies you're screwed since each screen's + pixmap will look like what it sees on its screen. Unless the + screens overlap and the window lies on each, the two copies + will be out of sync. To remedy this we do a GetImage and PutImage + in place of the copy. Doing this as a single Image isn't quite + correct since it will include the obscured areas but we will + have to fix this later. (MArk). +*/ + +int PanoramiXCopyArea(ClientPtr client) +{ + int j, result, srcx, srcy, dstx, dsty; + PanoramiXRes *gc, *src, *dst; + Bool srcIsRoot = FALSE; + Bool dstIsRoot = FALSE; + Bool srcShared, dstShared; + REQUEST(xCopyAreaReq); + + REQUEST_SIZE_MATCH(xCopyAreaReq); + + result = dixLookupResourceByClass((pointer *)&src, stuff->srcDrawable, + XRC_DRAWABLE, client, DixReadAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + srcShared = IS_SHARED_PIXMAP(src); + + result = dixLookupResourceByClass((pointer *)&dst, stuff->dstDrawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + dstShared = IS_SHARED_PIXMAP(dst); + + if(dstShared && srcShared) + return (* SavedProcVector[X_CopyArea])(client); + + result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, + client, DixReadAccess); + if (result != Success) + return result; + + if((dst->type == XRT_WINDOW) && dst->u.win.root) + dstIsRoot = TRUE; + if((src->type == XRT_WINDOW) && src->u.win.root) + srcIsRoot = TRUE; + + srcx = stuff->srcX; srcy = stuff->srcY; + dstx = stuff->dstX; dsty = stuff->dstY; + if((dst->type == XRT_PIXMAP) && (src->type == XRT_WINDOW)) { + DrawablePtr drawables[MAXSCREENS]; + DrawablePtr pDst; + GCPtr pGC; + char *data; + int pitch, rc; + + FOR_NSCREENS(j) { + rc = dixLookupDrawable(drawables+j, src->info[j].id, client, 0, + DixGetAttrAccess); + if (rc != Success) + return rc; + } + + pitch = PixmapBytePad(stuff->width, drawables[0]->depth); + if(!(data = calloc(1, stuff->height * pitch))) + return BadAlloc; + + XineramaGetImageData(drawables, srcx, srcy, + stuff->width, stuff->height, ZPixmap, ~0, data, pitch, + srcIsRoot); + + FOR_NSCREENS_BACKWARD(j) { + stuff->gc = gc->info[j].id; + VALIDATE_DRAWABLE_AND_GC(dst->info[j].id, pDst, DixWriteAccess); + if(drawables[0]->depth != pDst->depth) { + client->errorValue = stuff->dstDrawable; + free(data); + return BadMatch; + } + + (*pGC->ops->PutImage) (pDst, pGC, pDst->depth, dstx, dsty, + stuff->width, stuff->height, + 0, ZPixmap, data); + + if(dstShared) break; + } + + free(data); + } else { + DrawablePtr pDst = NULL, pSrc = NULL; + GCPtr pGC = NULL; + RegionRec totalReg; + int rc; + + RegionNull(&totalReg); + FOR_NSCREENS_BACKWARD(j) { + RegionPtr pRgn; + stuff->dstDrawable = dst->info[j].id; + stuff->srcDrawable = src->info[j].id; + stuff->gc = gc->info[j].id; + if (srcIsRoot) { + stuff->srcX = srcx - screenInfo.screens[j]->x; + stuff->srcY = srcy - screenInfo.screens[j]->y; + } + if (dstIsRoot) { + stuff->dstX = dstx - screenInfo.screens[j]->x; + stuff->dstY = dsty - screenInfo.screens[j]->y; + } + + VALIDATE_DRAWABLE_AND_GC(stuff->dstDrawable, pDst, DixWriteAccess); + + if (stuff->dstDrawable != stuff->srcDrawable) { + rc = dixLookupDrawable(&pSrc, stuff->srcDrawable, client, 0, + DixReadAccess); + if (rc != Success) + return rc; + + if ((pDst->pScreen != pSrc->pScreen) || + (pDst->depth != pSrc->depth)) { + client->errorValue = stuff->dstDrawable; + return BadMatch; + } + } else + pSrc = pDst; + + pRgn = (*pGC->ops->CopyArea)(pSrc, pDst, pGC, + stuff->srcX, stuff->srcY, + stuff->width, stuff->height, + stuff->dstX, stuff->dstY); + if(pGC->graphicsExposures && pRgn) { + if(srcIsRoot) { + RegionTranslate(pRgn, + screenInfo.screens[j]->x, screenInfo.screens[j]->y); + } + RegionAppend(&totalReg, pRgn); + RegionDestroy(pRgn); + } + + if(dstShared) + break; + } + + if(pGC->graphicsExposures) { + Bool overlap; + RegionValidate(&totalReg, &overlap); + (*pDst->pScreen->SendGraphicsExpose)( + client, &totalReg, stuff->dstDrawable, X_CopyArea, 0); + RegionUninit(&totalReg); + } + } + + return Success; +} + + +int PanoramiXCopyPlane(ClientPtr client) +{ + int j, srcx, srcy, dstx, dsty, rc; + PanoramiXRes *gc, *src, *dst; + Bool srcIsRoot = FALSE; + Bool dstIsRoot = FALSE; + Bool srcShared, dstShared; + DrawablePtr psrcDraw, pdstDraw = NULL; + GCPtr pGC = NULL; + RegionRec totalReg; + REQUEST(xCopyPlaneReq); + + REQUEST_SIZE_MATCH(xCopyPlaneReq); + + rc = dixLookupResourceByClass((pointer *)&src, stuff->srcDrawable, + XRC_DRAWABLE, client, DixReadAccess); + if (rc != Success) + return (rc == BadValue) ? BadDrawable : rc; + + srcShared = IS_SHARED_PIXMAP(src); + + rc = dixLookupResourceByClass((pointer *)&dst, stuff->dstDrawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (rc != Success) + return (rc == BadValue) ? BadDrawable : rc; + + dstShared = IS_SHARED_PIXMAP(dst); + + if(dstShared && srcShared) + return (* SavedProcVector[X_CopyPlane])(client); + + rc = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, + client, DixReadAccess); + if (rc != Success) + return rc; + + if((dst->type == XRT_WINDOW) && dst->u.win.root) + dstIsRoot = TRUE; + if((src->type == XRT_WINDOW) && src->u.win.root) + srcIsRoot = TRUE; + + srcx = stuff->srcX; srcy = stuff->srcY; + dstx = stuff->dstX; dsty = stuff->dstY; + + RegionNull(&totalReg); + FOR_NSCREENS_BACKWARD(j) { + RegionPtr pRgn; + stuff->dstDrawable = dst->info[j].id; + stuff->srcDrawable = src->info[j].id; + stuff->gc = gc->info[j].id; + if (srcIsRoot) { + stuff->srcX = srcx - screenInfo.screens[j]->x; + stuff->srcY = srcy - screenInfo.screens[j]->y; + } + if (dstIsRoot) { + stuff->dstX = dstx - screenInfo.screens[j]->x; + stuff->dstY = dsty - screenInfo.screens[j]->y; + } + + VALIDATE_DRAWABLE_AND_GC(stuff->dstDrawable, pdstDraw, DixWriteAccess); + if (stuff->dstDrawable != stuff->srcDrawable) { + rc = dixLookupDrawable(&psrcDraw, stuff->srcDrawable, client, 0, + DixReadAccess); + if (rc != Success) + return rc; + + if (pdstDraw->pScreen != psrcDraw->pScreen) { + client->errorValue = stuff->dstDrawable; + return BadMatch; + } + } else + psrcDraw = pdstDraw; + + if(stuff->bitPlane == 0 || (stuff->bitPlane & (stuff->bitPlane - 1)) || + (stuff->bitPlane > (1L << (psrcDraw->depth - 1)))) { + client->errorValue = stuff->bitPlane; + return BadValue; + } + + pRgn = (*pGC->ops->CopyPlane)(psrcDraw, pdstDraw, pGC, + stuff->srcX, stuff->srcY, + stuff->width, stuff->height, + stuff->dstX, stuff->dstY, stuff->bitPlane); + if(pGC->graphicsExposures && pRgn) { + RegionAppend(&totalReg, pRgn); + RegionDestroy(pRgn); + } + + if(dstShared) + break; + } + + if(pGC->graphicsExposures) { + Bool overlap; + RegionValidate(&totalReg, &overlap); + (*pdstDraw->pScreen->SendGraphicsExpose)( + client, &totalReg, stuff->dstDrawable, X_CopyPlane, 0); + RegionUninit(&totalReg); + } + + return Success; +} + + +int PanoramiXPolyPoint(ClientPtr client) +{ + PanoramiXRes *gc, *draw; + int result, npoint, j; + xPoint *origPts; + Bool isRoot; + REQUEST(xPolyPointReq); + + REQUEST_AT_LEAST_SIZE(xPolyPointReq); + + result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + if(IS_SHARED_PIXMAP(draw)) + return (*SavedProcVector[X_PolyPoint])(client); + + result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, + client, DixReadAccess); + if (result != Success) + return result; + + isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root; + npoint = bytes_to_int32((client->req_len << 2) - sizeof(xPolyPointReq)); + if (npoint > 0) { + origPts = malloc(npoint * sizeof(xPoint)); + memcpy((char *) origPts, (char *) &stuff[1], npoint * sizeof(xPoint)); + FOR_NSCREENS_FORWARD(j){ + + if(j) memcpy(&stuff[1], origPts, npoint * sizeof(xPoint)); + + if (isRoot) { + int x_off = screenInfo.screens[j]->x; + int y_off = screenInfo.screens[j]->y; + + if(x_off || y_off) { + xPoint *pnts = (xPoint*)&stuff[1]; + int i = (stuff->coordMode==CoordModePrevious) ? 1 : npoint; + + while(i--) { + pnts->x -= x_off; + pnts->y -= y_off; + pnts++; + } + } + } + + stuff->drawable = draw->info[j].id; + stuff->gc = gc->info[j].id; + result = (* SavedProcVector[X_PolyPoint])(client); + if(result != Success) break; + } + free(origPts); + return result; + } else + return Success; +} + + +int PanoramiXPolyLine(ClientPtr client) +{ + PanoramiXRes *gc, *draw; + int result, npoint, j; + xPoint *origPts; + Bool isRoot; + REQUEST(xPolyLineReq); + + REQUEST_AT_LEAST_SIZE(xPolyLineReq); + + result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + if(IS_SHARED_PIXMAP(draw)) + return (*SavedProcVector[X_PolyLine])(client); + + result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, + client, DixReadAccess); + if (result != Success) + return result; + + isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root; + npoint = bytes_to_int32((client->req_len << 2) - sizeof(xPolyLineReq)); + if (npoint > 0){ + origPts = malloc(npoint * sizeof(xPoint)); + memcpy((char *) origPts, (char *) &stuff[1], npoint * sizeof(xPoint)); + FOR_NSCREENS_FORWARD(j){ + + if(j) memcpy(&stuff[1], origPts, npoint * sizeof(xPoint)); + + if (isRoot) { + int x_off = screenInfo.screens[j]->x; + int y_off = screenInfo.screens[j]->y; + + if(x_off || y_off) { + xPoint *pnts = (xPoint*)&stuff[1]; + int i = (stuff->coordMode==CoordModePrevious) ? 1 : npoint; + + while(i--) { + pnts->x -= x_off; + pnts->y -= y_off; + pnts++; + } + } + } + + stuff->drawable = draw->info[j].id; + stuff->gc = gc->info[j].id; + result = (* SavedProcVector[X_PolyLine])(client); + if(result != Success) break; + } + free(origPts); + return result; + } else + return Success; +} + + +int PanoramiXPolySegment(ClientPtr client) +{ + int result, nsegs, i, j; + PanoramiXRes *gc, *draw; + xSegment *origSegs; + Bool isRoot; + REQUEST(xPolySegmentReq); + + REQUEST_AT_LEAST_SIZE(xPolySegmentReq); + + result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + if(IS_SHARED_PIXMAP(draw)) + return (*SavedProcVector[X_PolySegment])(client); + + result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, + client, DixReadAccess); + if (result != Success) + return result; + + isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root; + + nsegs = (client->req_len << 2) - sizeof(xPolySegmentReq); + if(nsegs & 4) return BadLength; + nsegs >>= 3; + if (nsegs > 0) { + origSegs = malloc(nsegs * sizeof(xSegment)); + memcpy((char *) origSegs, (char *) &stuff[1], nsegs * sizeof(xSegment)); + FOR_NSCREENS_FORWARD(j){ + + if(j) memcpy(&stuff[1], origSegs, nsegs * sizeof(xSegment)); + + if (isRoot) { + int x_off = screenInfo.screens[j]->x; + int y_off = screenInfo.screens[j]->y; + + if(x_off || y_off) { + xSegment *segs = (xSegment*)&stuff[1]; + + for (i = nsegs; i--; segs++) { + segs->x1 -= x_off; + segs->x2 -= x_off; + segs->y1 -= y_off; + segs->y2 -= y_off; + } + } + } + + stuff->drawable = draw->info[j].id; + stuff->gc = gc->info[j].id; + result = (* SavedProcVector[X_PolySegment])(client); + if(result != Success) break; + } + free(origSegs); + return result; + } else + return Success; +} + + +int PanoramiXPolyRectangle(ClientPtr client) +{ + int result, nrects, i, j; + PanoramiXRes *gc, *draw; + Bool isRoot; + xRectangle *origRecs; + REQUEST(xPolyRectangleReq); + + REQUEST_AT_LEAST_SIZE(xPolyRectangleReq); + + result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + if(IS_SHARED_PIXMAP(draw)) + return (*SavedProcVector[X_PolyRectangle])(client); + + result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, + client, DixReadAccess); + if (result != Success) + return result; + + isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root; + + nrects = (client->req_len << 2) - sizeof(xPolyRectangleReq); + if(nrects & 4) return BadLength; + nrects >>= 3; + if (nrects > 0){ + origRecs = malloc(nrects * sizeof(xRectangle)); + memcpy((char *)origRecs,(char *)&stuff[1],nrects * sizeof(xRectangle)); + FOR_NSCREENS_FORWARD(j){ + + if(j) memcpy(&stuff[1], origRecs, nrects * sizeof(xRectangle)); + + if (isRoot) { + int x_off = screenInfo.screens[j]->x; + int y_off = screenInfo.screens[j]->y; + + + if(x_off || y_off) { + xRectangle *rects = (xRectangle *) &stuff[1]; + + for (i = nrects; i--; rects++) { + rects->x -= x_off; + rects->y -= y_off; + } + } + } + + stuff->drawable = draw->info[j].id; + stuff->gc = gc->info[j].id; + result = (* SavedProcVector[X_PolyRectangle])(client); + if(result != Success) break; + } + free(origRecs); + return result; + } else + return Success; +} + + +int PanoramiXPolyArc(ClientPtr client) +{ + int result, narcs, i, j; + PanoramiXRes *gc, *draw; + Bool isRoot; + xArc *origArcs; + REQUEST(xPolyArcReq); + + REQUEST_AT_LEAST_SIZE(xPolyArcReq); + + result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + if(IS_SHARED_PIXMAP(draw)) + return (*SavedProcVector[X_PolyArc])(client); + + result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, + client, DixReadAccess); + if (result != Success) + return result; + + isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root; + + narcs = (client->req_len << 2) - sizeof(xPolyArcReq); + if(narcs % sizeof(xArc)) return BadLength; + narcs /= sizeof(xArc); + if (narcs > 0){ + origArcs = malloc(narcs * sizeof(xArc)); + memcpy((char *) origArcs, (char *) &stuff[1], narcs * sizeof(xArc)); + FOR_NSCREENS_FORWARD(j){ + + if(j) memcpy(&stuff[1], origArcs, narcs * sizeof(xArc)); + + if (isRoot) { + int x_off = screenInfo.screens[j]->x; + int y_off = screenInfo.screens[j]->y; + + if(x_off || y_off) { + xArc *arcs = (xArc *) &stuff[1]; + + for (i = narcs; i--; arcs++) { + arcs->x -= x_off; + arcs->y -= y_off; + } + } + } + stuff->drawable = draw->info[j].id; + stuff->gc = gc->info[j].id; + result = (* SavedProcVector[X_PolyArc])(client); + if(result != Success) break; + } + free(origArcs); + return result; + } else + return Success; +} + + +int PanoramiXFillPoly(ClientPtr client) +{ + int result, count, j; + PanoramiXRes *gc, *draw; + Bool isRoot; + DDXPointPtr locPts; + REQUEST(xFillPolyReq); + + REQUEST_AT_LEAST_SIZE(xFillPolyReq); + + result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + if(IS_SHARED_PIXMAP(draw)) + return (*SavedProcVector[X_FillPoly])(client); + + result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, + client, DixReadAccess); + if (result != Success) + return result; + + isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root; + + count = bytes_to_int32((client->req_len << 2) - sizeof(xFillPolyReq)); + if (count > 0){ + locPts = malloc(count * sizeof(DDXPointRec)); + memcpy((char *)locPts, (char *)&stuff[1], count * sizeof(DDXPointRec)); + FOR_NSCREENS_FORWARD(j){ + + if(j) memcpy(&stuff[1], locPts, count * sizeof(DDXPointRec)); + + if (isRoot) { + int x_off = screenInfo.screens[j]->x; + int y_off = screenInfo.screens[j]->y; + + if(x_off || y_off) { + DDXPointPtr pnts = (DDXPointPtr)&stuff[1]; + int i = (stuff->coordMode==CoordModePrevious) ? 1 : count; + + while(i--) { + pnts->x -= x_off; + pnts->y -= y_off; + pnts++; + } + } + } + + stuff->drawable = draw->info[j].id; + stuff->gc = gc->info[j].id; + result = (* SavedProcVector[X_FillPoly])(client); + if(result != Success) break; + } + free(locPts); + return result; + } else + return Success; +} + + +int PanoramiXPolyFillRectangle(ClientPtr client) +{ + int result, things, i, j; + PanoramiXRes *gc, *draw; + Bool isRoot; + xRectangle *origRects; + REQUEST(xPolyFillRectangleReq); + + REQUEST_AT_LEAST_SIZE(xPolyFillRectangleReq); + + result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + if(IS_SHARED_PIXMAP(draw)) + return (*SavedProcVector[X_PolyFillRectangle])(client); + + result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, + client, DixReadAccess); + if (result != Success) + return result; + + isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root; + + things = (client->req_len << 2) - sizeof(xPolyFillRectangleReq); + if(things & 4) return BadLength; + things >>= 3; + if (things > 0){ + origRects = malloc(things * sizeof(xRectangle)); + memcpy((char*)origRects,(char*)&stuff[1], things * sizeof(xRectangle)); + FOR_NSCREENS_FORWARD(j){ + + if(j) memcpy(&stuff[1], origRects, things * sizeof(xRectangle)); + + if (isRoot) { + int x_off = screenInfo.screens[j]->x; + int y_off = screenInfo.screens[j]->y; + + if(x_off || y_off) { + xRectangle *rects = (xRectangle *) &stuff[1]; + + for (i = things; i--; rects++) { + rects->x -= x_off; + rects->y -= y_off; + } + } + } + + stuff->drawable = draw->info[j].id; + stuff->gc = gc->info[j].id; + result = (* SavedProcVector[X_PolyFillRectangle])(client); + if(result != Success) break; + } + free(origRects); + return result; + } else + return Success; +} + + +int PanoramiXPolyFillArc(ClientPtr client) +{ + PanoramiXRes *gc, *draw; + Bool isRoot; + int result, narcs, i, j; + xArc *origArcs; + REQUEST(xPolyFillArcReq); + + REQUEST_AT_LEAST_SIZE(xPolyFillArcReq); + + result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + if(IS_SHARED_PIXMAP(draw)) + return (*SavedProcVector[X_PolyFillArc])(client); + + result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, + client, DixReadAccess); + if (result != Success) + return result; + + isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root; + + narcs = (client->req_len << 2) - sizeof(xPolyFillArcReq); + if (narcs % sizeof(xArc)) return BadLength; + narcs /= sizeof(xArc); + if (narcs > 0) { + origArcs = malloc(narcs * sizeof(xArc)); + memcpy((char *) origArcs, (char *)&stuff[1], narcs * sizeof(xArc)); + FOR_NSCREENS_FORWARD(j){ + + if(j) memcpy(&stuff[1], origArcs, narcs * sizeof(xArc)); + + if (isRoot) { + int x_off = screenInfo.screens[j]->x; + int y_off = screenInfo.screens[j]->y; + + if(x_off || y_off) { + xArc *arcs = (xArc *) &stuff[1]; + + for (i = narcs; i--; arcs++) { + arcs->x -= x_off; + arcs->y -= y_off; + } + } + } + + stuff->drawable = draw->info[j].id; + stuff->gc = gc->info[j].id; + result = (* SavedProcVector[X_PolyFillArc])(client); + if(result != Success) break; + } + free(origArcs); + return result; + } else + return Success; +} + + +int PanoramiXPutImage(ClientPtr client) +{ + PanoramiXRes *gc, *draw; + Bool isRoot; + int j, result, orig_x, orig_y; + REQUEST(xPutImageReq); + + REQUEST_AT_LEAST_SIZE(xPutImageReq); + + result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + if(IS_SHARED_PIXMAP(draw)) + return (*SavedProcVector[X_PutImage])(client); + + result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, + client, DixReadAccess); + if (result != Success) + return result; + + isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root; + + orig_x = stuff->dstX; + orig_y = stuff->dstY; + FOR_NSCREENS_BACKWARD(j){ + if (isRoot) { + stuff->dstX = orig_x - screenInfo.screens[j]->x; + stuff->dstY = orig_y - screenInfo.screens[j]->y; + } + stuff->drawable = draw->info[j].id; + stuff->gc = gc->info[j].id; + result = (* SavedProcVector[X_PutImage])(client); + if(result != Success) break; + } + return result; +} + + +int PanoramiXGetImage(ClientPtr client) +{ + DrawablePtr drawables[MAXSCREENS]; + DrawablePtr pDraw; + PanoramiXRes *draw; + xGetImageReply xgi; + Bool isRoot; + char *pBuf; + int i, x, y, w, h, format, rc; + Mask plane = 0, planemask; + int linesDone, nlines, linesPerBuf; + long widthBytesLine, length; + + REQUEST(xGetImageReq); + + REQUEST_SIZE_MATCH(xGetImageReq); + + if ((stuff->format != XYPixmap) && (stuff->format != ZPixmap)) { + client->errorValue = stuff->format; + return BadValue; + } + + rc = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (rc != Success) + return (rc == BadValue) ? BadDrawable : rc; + + if(draw->type == XRT_PIXMAP) + return (*SavedProcVector[X_GetImage])(client); + + rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0, + DixReadAccess); + if (rc != Success) + return rc; + + if(!((WindowPtr)pDraw)->realized) + return BadMatch; + + x = stuff->x; + y = stuff->y; + w = stuff->width; + h = stuff->height; + format = stuff->format; + planemask = stuff->planeMask; + + isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root; + + if(isRoot) { + if( /* check for being onscreen */ + x < 0 || x + w > PanoramiXPixWidth || + y < 0 || y + h > PanoramiXPixHeight ) + return BadMatch; + } else { + if( /* check for being onscreen */ + screenInfo.screens[0]->x + pDraw->x + x < 0 || + screenInfo.screens[0]->x + pDraw->x + x + w > PanoramiXPixWidth || + screenInfo.screens[0]->y + pDraw->y + y < 0 || + screenInfo.screens[0]->y + pDraw->y + y + h > PanoramiXPixHeight || + /* check for being inside of border */ + x < - wBorderWidth((WindowPtr)pDraw) || + x + w > wBorderWidth((WindowPtr)pDraw) + (int)pDraw->width || + y < -wBorderWidth((WindowPtr)pDraw) || + y + h > wBorderWidth ((WindowPtr)pDraw) + (int)pDraw->height) + return BadMatch; + } + + drawables[0] = pDraw; + for(i = 1; i < PanoramiXNumScreens; i++) { + rc = dixLookupDrawable(drawables+i, draw->info[i].id, client, 0, + DixGetAttrAccess); + if (rc != Success) + return rc; + } + + xgi.visual = wVisual (((WindowPtr) pDraw)); + xgi.type = X_Reply; + xgi.sequenceNumber = client->sequence; + xgi.depth = pDraw->depth; + if(format == ZPixmap) { + widthBytesLine = PixmapBytePad(w, pDraw->depth); + length = widthBytesLine * h; + + + } else { + widthBytesLine = BitmapBytePad(w); + plane = ((Mask)1) << (pDraw->depth - 1); + /* only planes asked for */ + length = widthBytesLine * h * + Ones(planemask & (plane | (plane - 1))); + + } + + xgi.length = bytes_to_int32(length); + + if (widthBytesLine == 0 || h == 0) + linesPerBuf = 0; + else if (widthBytesLine >= XINERAMA_IMAGE_BUFSIZE) + linesPerBuf = 1; + else { + linesPerBuf = XINERAMA_IMAGE_BUFSIZE / widthBytesLine; + if (linesPerBuf > h) + linesPerBuf = h; + } + length = linesPerBuf * widthBytesLine; + if(!(pBuf = malloc(length))) + return BadAlloc; + + WriteReplyToClient(client, sizeof (xGetImageReply), &xgi); + + if (linesPerBuf == 0) { + /* nothing to do */ + } + else if (format == ZPixmap) { + linesDone = 0; + while (h - linesDone > 0) { + nlines = min(linesPerBuf, h - linesDone); + + if(pDraw->depth == 1) + memset(pBuf, 0, nlines * widthBytesLine); + + XineramaGetImageData(drawables, x, y + linesDone, w, nlines, + format, planemask, pBuf, widthBytesLine, isRoot); + + (void)WriteToClient(client, + (int)(nlines * widthBytesLine), + pBuf); + linesDone += nlines; + } + } else { /* XYPixmap */ + for (; plane; plane >>= 1) { + if (planemask & plane) { + linesDone = 0; + while (h - linesDone > 0) { + nlines = min(linesPerBuf, h - linesDone); + + memset(pBuf, 0, nlines * widthBytesLine); + + XineramaGetImageData(drawables, x, y + linesDone, w, + nlines, format, plane, pBuf, + widthBytesLine, isRoot); + + (void)WriteToClient(client, + (int)(nlines * widthBytesLine), + pBuf); + + linesDone += nlines; + } + } + } + } + free(pBuf); + return Success; +} + + +/* The text stuff should be rewritten so that duplication happens + at the GlyphBlt level. That is, loading the font and getting + the glyphs should only happen once */ + +int +PanoramiXPolyText8(ClientPtr client) +{ + PanoramiXRes *gc, *draw; + Bool isRoot; + int result, j; + int orig_x, orig_y; + REQUEST(xPolyTextReq); + + REQUEST_AT_LEAST_SIZE(xPolyTextReq); + + result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + if(IS_SHARED_PIXMAP(draw)) + return (*SavedProcVector[X_PolyText8])(client); + + result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, + client, DixReadAccess); + if (result != Success) + return result; + + isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root; + + orig_x = stuff->x; + orig_y = stuff->y; + FOR_NSCREENS_BACKWARD(j){ + stuff->drawable = draw->info[j].id; + stuff->gc = gc->info[j].id; + if (isRoot) { + stuff->x = orig_x - screenInfo.screens[j]->x; + stuff->y = orig_y - screenInfo.screens[j]->y; + } + result = (*SavedProcVector[X_PolyText8])(client); + if(result != Success) break; + } + return result; +} + +int +PanoramiXPolyText16(ClientPtr client) +{ + PanoramiXRes *gc, *draw; + Bool isRoot; + int result, j; + int orig_x, orig_y; + REQUEST(xPolyTextReq); + + REQUEST_AT_LEAST_SIZE(xPolyTextReq); + + result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + if(IS_SHARED_PIXMAP(draw)) + return (*SavedProcVector[X_PolyText16])(client); + + result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, + client, DixReadAccess); + if (result != Success) + return result; + + isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root; + + orig_x = stuff->x; + orig_y = stuff->y; + FOR_NSCREENS_BACKWARD(j){ + stuff->drawable = draw->info[j].id; + stuff->gc = gc->info[j].id; + if (isRoot) { + stuff->x = orig_x - screenInfo.screens[j]->x; + stuff->y = orig_y - screenInfo.screens[j]->y; + } + result = (*SavedProcVector[X_PolyText16])(client); + if(result != Success) break; + } + return result; +} + + +int PanoramiXImageText8(ClientPtr client) +{ + int result, j; + PanoramiXRes *gc, *draw; + Bool isRoot; + int orig_x, orig_y; + REQUEST(xImageTextReq); + + REQUEST_FIXED_SIZE(xImageTextReq, stuff->nChars); + + result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + if(IS_SHARED_PIXMAP(draw)) + return (*SavedProcVector[X_ImageText8])(client); + + result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, + client, DixReadAccess); + if (result != Success) + return result; + + isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root; + + orig_x = stuff->x; + orig_y = stuff->y; + FOR_NSCREENS_BACKWARD(j){ + stuff->drawable = draw->info[j].id; + stuff->gc = gc->info[j].id; + if (isRoot) { + stuff->x = orig_x - screenInfo.screens[j]->x; + stuff->y = orig_y - screenInfo.screens[j]->y; + } + result = (*SavedProcVector[X_ImageText8])(client); + if(result != Success) break; + } + return result; +} + + +int PanoramiXImageText16(ClientPtr client) +{ + int result, j; + PanoramiXRes *gc, *draw; + Bool isRoot; + int orig_x, orig_y; + REQUEST(xImageTextReq); + + REQUEST_FIXED_SIZE(xImageTextReq, stuff->nChars << 1); + + result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + if(IS_SHARED_PIXMAP(draw)) + return (*SavedProcVector[X_ImageText16])(client); + + result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, + client, DixReadAccess); + if (result != Success) + return result; + + isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root; + + orig_x = stuff->x; + orig_y = stuff->y; + FOR_NSCREENS_BACKWARD(j){ + stuff->drawable = draw->info[j].id; + stuff->gc = gc->info[j].id; + if (isRoot) { + stuff->x = orig_x - screenInfo.screens[j]->x; + stuff->y = orig_y - screenInfo.screens[j]->y; + } + result = (*SavedProcVector[X_ImageText16])(client); + if(result != Success) break; + } + return result; +} + + + +int PanoramiXCreateColormap(ClientPtr client) +{ + PanoramiXRes *win, *newCmap; + int result, j, orig_visual; + REQUEST(xCreateColormapReq); + + REQUEST_SIZE_MATCH(xCreateColormapReq); + + result = dixLookupResourceByType((pointer *)&win, stuff->window, + XRT_WINDOW, client, DixReadAccess); + if (result != Success) + return result; + + if(!(newCmap = malloc(sizeof(PanoramiXRes)))) + return BadAlloc; + + newCmap->type = XRT_COLORMAP; + newCmap->info[0].id = stuff->mid; + for(j = 1; j < PanoramiXNumScreens; j++) + newCmap->info[j].id = FakeClientID(client->index); + + orig_visual = stuff->visual; + FOR_NSCREENS_BACKWARD(j){ + stuff->mid = newCmap->info[j].id; + stuff->window = win->info[j].id; + stuff->visual = PanoramiXTranslateVisualID(j, orig_visual); + result = (* SavedProcVector[X_CreateColormap])(client); + if(result != Success) break; + } + + if (result == Success) + AddResource(newCmap->info[0].id, XRT_COLORMAP, newCmap); + else + free(newCmap); + + return result; +} + + +int PanoramiXFreeColormap(ClientPtr client) +{ + PanoramiXRes *cmap; + int result, j; + REQUEST(xResourceReq); + + REQUEST_SIZE_MATCH(xResourceReq); + + client->errorValue = stuff->id; + + result = dixLookupResourceByType((pointer *)&cmap, stuff->id, XRT_COLORMAP, + client, DixDestroyAccess); + if (result != Success) + return result; + + FOR_NSCREENS_BACKWARD(j) { + stuff->id = cmap->info[j].id; + result = (* SavedProcVector[X_FreeColormap])(client); + if(result != Success) break; + } + + /* Since ProcFreeColormap is using FreeResource, it will free + our resource for us on the last pass through the loop above */ + + return result; +} + + +int +PanoramiXCopyColormapAndFree(ClientPtr client) +{ + PanoramiXRes *cmap, *newCmap; + int result, j; + REQUEST(xCopyColormapAndFreeReq); + + REQUEST_SIZE_MATCH(xCopyColormapAndFreeReq); + + client->errorValue = stuff->srcCmap; + + result = dixLookupResourceByType((pointer *)&cmap, stuff->srcCmap, + XRT_COLORMAP, client, + DixReadAccess | DixWriteAccess); + if (result != Success) + return result; + + if(!(newCmap = malloc(sizeof(PanoramiXRes)))) + return BadAlloc; + + newCmap->type = XRT_COLORMAP; + newCmap->info[0].id = stuff->mid; + for(j = 1; j < PanoramiXNumScreens; j++) + newCmap->info[j].id = FakeClientID(client->index); + + FOR_NSCREENS_BACKWARD(j){ + stuff->srcCmap = cmap->info[j].id; + stuff->mid = newCmap->info[j].id; + result = (* SavedProcVector[X_CopyColormapAndFree])(client); + if(result != Success) break; + } + + if (result == Success) + AddResource(newCmap->info[0].id, XRT_COLORMAP, newCmap); + else + free(newCmap); + + return result; +} + + +int PanoramiXInstallColormap(ClientPtr client) +{ + REQUEST(xResourceReq); + int result, j; + PanoramiXRes *cmap; + + REQUEST_SIZE_MATCH(xResourceReq); + + client->errorValue = stuff->id; + + result = dixLookupResourceByType((pointer *)&cmap, stuff->id, XRT_COLORMAP, + client, DixReadAccess); + if (result != Success) + return result; + + FOR_NSCREENS_BACKWARD(j){ + stuff->id = cmap->info[j].id; + result = (* SavedProcVector[X_InstallColormap])(client); + if(result != Success) break; + } + return result; +} + + +int PanoramiXUninstallColormap(ClientPtr client) +{ + REQUEST(xResourceReq); + int result, j; + PanoramiXRes *cmap; + + REQUEST_SIZE_MATCH(xResourceReq); + + client->errorValue = stuff->id; + + result = dixLookupResourceByType((pointer *)&cmap, stuff->id, XRT_COLORMAP, + client, DixReadAccess); + if (result != Success) + return result; + + FOR_NSCREENS_BACKWARD(j) { + stuff->id = cmap->info[j].id; + result = (* SavedProcVector[X_UninstallColormap])(client); + if(result != Success) break; + } + return result; +} + + +int PanoramiXAllocColor(ClientPtr client) +{ + int result, j; + PanoramiXRes *cmap; + REQUEST(xAllocColorReq); + + REQUEST_SIZE_MATCH(xAllocColorReq); + + client->errorValue = stuff->cmap; + + result = dixLookupResourceByType((pointer *)&cmap, stuff->cmap, + XRT_COLORMAP, client, DixWriteAccess); + if (result != Success) + return result; + + FOR_NSCREENS_BACKWARD(j){ + stuff->cmap = cmap->info[j].id; + result = (* SavedProcVector[X_AllocColor])(client); + if(result != Success) break; + } + return result; +} + + +int PanoramiXAllocNamedColor(ClientPtr client) +{ + int result, j; + PanoramiXRes *cmap; + REQUEST(xAllocNamedColorReq); + + REQUEST_FIXED_SIZE(xAllocNamedColorReq, stuff->nbytes); + + client->errorValue = stuff->cmap; + + result = dixLookupResourceByType((pointer *)&cmap, stuff->cmap, + XRT_COLORMAP, client, DixWriteAccess); + if (result != Success) + return result; + + FOR_NSCREENS_BACKWARD(j){ + stuff->cmap = cmap->info[j].id; + result = (* SavedProcVector[X_AllocNamedColor])(client); + if(result != Success) break; + } + return result; +} + + +int PanoramiXAllocColorCells(ClientPtr client) +{ + int result, j; + PanoramiXRes *cmap; + REQUEST(xAllocColorCellsReq); + + REQUEST_SIZE_MATCH(xAllocColorCellsReq); + + client->errorValue = stuff->cmap; + + result = dixLookupResourceByType((pointer *)&cmap, stuff->cmap, + XRT_COLORMAP, client, DixWriteAccess); + if (result != Success) + return result; + + FOR_NSCREENS_BACKWARD(j){ + stuff->cmap = cmap->info[j].id; + result = (* SavedProcVector[X_AllocColorCells])(client); + if(result != Success) break; + } + return result; +} + + +int PanoramiXAllocColorPlanes(ClientPtr client) +{ + int result, j; + PanoramiXRes *cmap; + REQUEST(xAllocColorPlanesReq); + + REQUEST_SIZE_MATCH(xAllocColorPlanesReq); + + client->errorValue = stuff->cmap; + + result = dixLookupResourceByType((pointer *)&cmap, stuff->cmap, + XRT_COLORMAP, client, DixWriteAccess); + if (result != Success) + return result; + + FOR_NSCREENS_BACKWARD(j){ + stuff->cmap = cmap->info[j].id; + result = (* SavedProcVector[X_AllocColorPlanes])(client); + if(result != Success) break; + } + return result; +} + + + +int PanoramiXFreeColors(ClientPtr client) +{ + int result, j; + PanoramiXRes *cmap; + REQUEST(xFreeColorsReq); + + REQUEST_AT_LEAST_SIZE(xFreeColorsReq); + + client->errorValue = stuff->cmap; + + result = dixLookupResourceByType((pointer *)&cmap, stuff->cmap, + XRT_COLORMAP, client, DixWriteAccess); + if (result != Success) + return result; + + FOR_NSCREENS_BACKWARD(j) { + stuff->cmap = cmap->info[j].id; + result = (* SavedProcVector[X_FreeColors])(client); + } + return result; +} + + +int PanoramiXStoreColors(ClientPtr client) +{ + int result, j; + PanoramiXRes *cmap; + REQUEST(xStoreColorsReq); + + REQUEST_AT_LEAST_SIZE(xStoreColorsReq); + + client->errorValue = stuff->cmap; + + result = dixLookupResourceByType((pointer *)&cmap, stuff->cmap, + XRT_COLORMAP, client, DixWriteAccess); + if (result != Success) + return result; + + FOR_NSCREENS_BACKWARD(j){ + stuff->cmap = cmap->info[j].id; + result = (* SavedProcVector[X_StoreColors])(client); + if(result != Success) break; + } + return result; +} + + +int PanoramiXStoreNamedColor(ClientPtr client) +{ + int result, j; + PanoramiXRes *cmap; + REQUEST(xStoreNamedColorReq); + + REQUEST_FIXED_SIZE(xStoreNamedColorReq, stuff->nbytes); + + client->errorValue = stuff->cmap; + + result = dixLookupResourceByType((pointer *)&cmap, stuff->cmap, + XRT_COLORMAP, client, DixWriteAccess); + if (result != Success) + return result; + + FOR_NSCREENS_BACKWARD(j){ + stuff->cmap = cmap->info[j].id; + result = (* SavedProcVector[X_StoreNamedColor])(client); + if(result != Success) break; + } + return result; +} diff --git a/Xext/panoramiXsrv.h b/Xext/panoramiXsrv.h new file mode 100644 index 0000000..b0a5a6e --- /dev/null +++ b/Xext/panoramiXsrv.h @@ -0,0 +1,54 @@ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#ifndef _PANORAMIXSRV_H_ +#define _PANORAMIXSRV_H_ + +#include "panoramiX.h" + +extern _X_EXPORT int PanoramiXNumScreens; +extern _X_EXPORT int PanoramiXPixWidth; +extern _X_EXPORT int PanoramiXPixHeight; + +extern _X_EXPORT VisualID PanoramiXTranslateVisualID(int screen, VisualID orig); +extern _X_EXPORT void PanoramiXConsolidate(void); +extern _X_EXPORT Bool PanoramiXCreateConnectionBlock(void); +extern _X_EXPORT PanoramiXRes * PanoramiXFindIDByScrnum(RESTYPE, XID, int); +extern _X_EXPORT Bool XineramaRegisterConnectionBlockCallback(void (*func)(void)); +extern _X_EXPORT int XineramaDeleteResource(pointer, XID); + +extern _X_EXPORT void XineramaReinitData(ScreenPtr); + +extern _X_EXPORT unsigned long XRC_DRAWABLE; +extern _X_EXPORT unsigned long XRT_WINDOW; +extern _X_EXPORT unsigned long XRT_PIXMAP; +extern _X_EXPORT unsigned long XRT_GC; +extern _X_EXPORT unsigned long XRT_COLORMAP; +extern _X_EXPORT unsigned long XRT_PICTURE; + +/* + * Drivers are allowed to wrap this function. Each wrapper can decide that the + * two visuals are unequal, but if they are deemed equal, the wrapper must call + * down and return FALSE if the wrapped function does. This ensures that all + * layers agree that the visuals are equal. The first visual is always from + * screen 0. + */ +typedef Bool (*XineramaVisualsEqualProcPtr)(VisualPtr, ScreenPtr, VisualPtr); +extern _X_EXPORT XineramaVisualsEqualProcPtr XineramaVisualsEqualPtr; + +extern _X_EXPORT void XineramaGetImageData( + DrawablePtr *pDrawables, + int left, + int top, + int width, + int height, + unsigned int format, + unsigned long planemask, + char *data, + int pitch, + Bool isRoot +); + +#endif /* _PANORAMIXSRV_H_ */ diff --git a/Xext/saver.c b/Xext/saver.c new file mode 100644 index 0000000..1888603 --- /dev/null +++ b/Xext/saver.c @@ -0,0 +1,1511 @@ +/* + * +Copyright (c) 1992 X Consortium + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of the X Consortium shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from the X Consortium. + * + * Author: Keith Packard, MIT X Consortium + */ + + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include <X11/X.h> +#include <X11/Xproto.h> +#include "misc.h" +#include "os.h" +#include "windowstr.h" +#include "scrnintstr.h" +#include "pixmapstr.h" +#include "extnsionst.h" +#include "dixstruct.h" +#include "resource.h" +#include "opaque.h" +#include <X11/extensions/saverproto.h> +#include "gcstruct.h" +#include "cursorstr.h" +#include "colormapst.h" +#include "xace.h" +#ifdef PANORAMIX +#include "panoramiX.h" +#include "panoramiXsrv.h" +#endif +#ifdef DPMSExtension +#include <X11/extensions/dpmsconst.h> +#endif +#include "protocol-versions.h" + +#include <stdio.h> + +#include "modinit.h" + +static int ScreenSaverEventBase = 0; + + +static Bool ScreenSaverHandle ( + ScreenPtr /* pScreen */, + int /* xstate */, + Bool /* force */ + ); + +static Bool +CreateSaverWindow ( + ScreenPtr /* pScreen */ + ); + +static Bool +DestroySaverWindow ( + ScreenPtr /* pScreen */ + ); + +static void +UninstallSaverColormap ( + ScreenPtr /* pScreen */ + ); + +static void +CheckScreenPrivate ( + ScreenPtr /* pScreen */ + ); + +static void SScreenSaverNotifyEvent ( + xScreenSaverNotifyEvent * /* from */, + xScreenSaverNotifyEvent * /* to */ + ); + +static RESTYPE SuspendType; /* resource type for suspension records */ + +typedef struct _ScreenSaverSuspension *ScreenSaverSuspensionPtr; + +/* List of clients that are suspending the screensaver. */ +static ScreenSaverSuspensionPtr suspendingClients = NULL; + +/* + * clientResource is a resource ID that's added when the record is + * allocated, so the record is freed and the screensaver resumed when + * the client disconnects. count is the number of times the client has + * requested the screensaver be suspended. + */ +typedef struct _ScreenSaverSuspension +{ + ScreenSaverSuspensionPtr next; + ClientPtr pClient; + XID clientResource; + int count; +} ScreenSaverSuspensionRec; + +static int ScreenSaverFreeSuspend( + pointer /*value */, + XID /* id */ +); + +/* + * each screen has a list of clients requesting + * ScreenSaverNotify events. Each client has a resource + * for each screen it selects ScreenSaverNotify input for, + * this resource is used to delete the ScreenSaverNotifyRec + * entry from the per-screen queue. + */ + +static RESTYPE SaverEventType; /* resource type for event masks */ + +typedef struct _ScreenSaverEvent *ScreenSaverEventPtr; + +typedef struct _ScreenSaverEvent { + ScreenSaverEventPtr next; + ClientPtr client; + ScreenPtr screen; + XID resource; + CARD32 mask; +} ScreenSaverEventRec; + +static int ScreenSaverFreeEvents( + pointer /* value */, + XID /* id */ +); + +static Bool setEventMask ( + ScreenPtr /* pScreen */, + ClientPtr /* client */, + unsigned long /* mask */ +); + +static unsigned long getEventMask ( + ScreenPtr /* pScreen */, + ClientPtr /* client */ +); + +/* + * when a client sets the screen saver attributes, a resource is + * kept to be freed when the client exits + */ + +static RESTYPE AttrType; /* resource type for attributes */ + +typedef struct _ScreenSaverAttr { + ScreenPtr screen; + ClientPtr client; + XID resource; + short x, y; + unsigned short width, height, borderWidth; + unsigned char class; + unsigned char depth; + VisualID visual; + CursorPtr pCursor; + PixmapPtr pBackgroundPixmap; + PixmapPtr pBorderPixmap; + Colormap colormap; + unsigned long mask; /* no pixmaps or cursors */ + unsigned long *values; +} ScreenSaverAttrRec, *ScreenSaverAttrPtr; + +static int ScreenSaverFreeAttr ( + pointer /* value */, + XID /* id */ +); + +static void FreeAttrs ( + ScreenSaverAttrPtr /* pAttr */ +); + +static void FreeScreenAttr ( + ScreenSaverAttrPtr /* pAttr */ +); + +static void +SendScreenSaverNotify ( + ScreenPtr /* pScreen */, + int /* state */, + Bool /* forced */ +); + +typedef struct _ScreenSaverScreenPrivate { + ScreenSaverEventPtr events; + ScreenSaverAttrPtr attr; + Bool hasWindow; + Colormap installedMap; +} ScreenSaverScreenPrivateRec, *ScreenSaverScreenPrivatePtr; + +static ScreenSaverScreenPrivatePtr +MakeScreenPrivate ( + ScreenPtr /* pScreen */ + ); + +static DevPrivateKeyRec ScreenPrivateKeyRec; +#define ScreenPrivateKey (&ScreenPrivateKeyRec) + +#define GetScreenPrivate(s) ((ScreenSaverScreenPrivatePtr) \ + dixLookupPrivate(&(s)->devPrivates, ScreenPrivateKey)) +#define SetScreenPrivate(s,v) \ + dixSetPrivate(&(s)->devPrivates, ScreenPrivateKey, v); +#define SetupScreen(s) ScreenSaverScreenPrivatePtr pPriv = (s ? GetScreenPrivate(s) : NULL) + +#define New(t) (malloc(sizeof (t))) + +static void +CheckScreenPrivate (ScreenPtr pScreen) +{ + SetupScreen (pScreen); + + if (!pPriv) + return; + if (!pPriv->attr && !pPriv->events && + !pPriv->hasWindow && pPriv->installedMap == None) + { + free(pPriv); + SetScreenPrivate (pScreen, NULL); + pScreen->screensaver.ExternalScreenSaver = NULL; + } +} + +static ScreenSaverScreenPrivatePtr +MakeScreenPrivate (ScreenPtr pScreen) +{ + SetupScreen (pScreen); + + if (pPriv) + return pPriv; + pPriv = New (ScreenSaverScreenPrivateRec); + if (!pPriv) + return 0; + pPriv->events = 0; + pPriv->attr = 0; + pPriv->hasWindow = FALSE; + pPriv->installedMap = None; + SetScreenPrivate (pScreen, pPriv); + pScreen->screensaver.ExternalScreenSaver = ScreenSaverHandle; + return pPriv; +} + +static unsigned long +getEventMask (ScreenPtr pScreen, ClientPtr client) +{ + SetupScreen(pScreen); + ScreenSaverEventPtr pEv; + + if (!pPriv) + return 0; + for (pEv = pPriv->events; pEv; pEv = pEv->next) + if (pEv->client == client) + return pEv->mask; + return 0; +} + +static Bool +setEventMask (ScreenPtr pScreen, ClientPtr client, unsigned long mask) +{ + SetupScreen(pScreen); + ScreenSaverEventPtr pEv, *pPrev; + + if (getEventMask (pScreen, client) == mask) + return TRUE; + if (!pPriv) + { + pPriv = MakeScreenPrivate (pScreen); + if (!pPriv) + return FALSE; + } + for (pPrev = &pPriv->events; (pEv = *pPrev) != 0; pPrev = &pEv->next) + if (pEv->client == client) + break; + if (mask == 0) + { + FreeResource (pEv->resource, SaverEventType); + *pPrev = pEv->next; + free(pEv); + CheckScreenPrivate (pScreen); + } + else + { + if (!pEv) + { + pEv = New (ScreenSaverEventRec); + if (!pEv) + { + CheckScreenPrivate (pScreen); + return FALSE; + } + *pPrev = pEv; + pEv->next = NULL; + pEv->client = client; + pEv->screen = pScreen; + pEv->resource = FakeClientID (client->index); + if (!AddResource (pEv->resource, SaverEventType, (pointer) pEv)) + return FALSE; + } + pEv->mask = mask; + } + return TRUE; +} + +static void +FreeAttrs (ScreenSaverAttrPtr pAttr) +{ + PixmapPtr pPixmap; + CursorPtr pCursor; + + if ((pPixmap = pAttr->pBackgroundPixmap) != 0) + (*pPixmap->drawable.pScreen->DestroyPixmap)(pPixmap); + if ((pPixmap = pAttr->pBorderPixmap) != 0) + (*pPixmap->drawable.pScreen->DestroyPixmap)(pPixmap); + if ((pCursor = pAttr->pCursor) != 0) + FreeCursor (pCursor, (Cursor) 0); +} + +static void +FreeScreenAttr (ScreenSaverAttrPtr pAttr) +{ + FreeAttrs (pAttr); + free(pAttr->values); + free(pAttr); +} + +static int +ScreenSaverFreeEvents (pointer value, XID id) +{ + ScreenSaverEventPtr pOld = (ScreenSaverEventPtr)value; + ScreenPtr pScreen = pOld->screen; + SetupScreen (pScreen); + ScreenSaverEventPtr pEv, *pPrev; + + if (!pPriv) + return TRUE; + for (pPrev = &pPriv->events; (pEv = *pPrev) != 0; pPrev = &pEv->next) + if (pEv == pOld) + break; + if (!pEv) + return TRUE; + *pPrev = pEv->next; + free(pEv); + CheckScreenPrivate (pScreen); + return TRUE; +} + +static int +ScreenSaverFreeAttr (pointer value, XID id) +{ + ScreenSaverAttrPtr pOldAttr = (ScreenSaverAttrPtr)value; + ScreenPtr pScreen = pOldAttr->screen; + SetupScreen (pScreen); + + if (!pPriv) + return TRUE; + if (pPriv->attr != pOldAttr) + return TRUE; + FreeScreenAttr (pOldAttr); + pPriv->attr = NULL; + if (pPriv->hasWindow) + { + dixSaveScreens (serverClient, SCREEN_SAVER_FORCER, ScreenSaverReset); + dixSaveScreens (serverClient, SCREEN_SAVER_FORCER, ScreenSaverActive); + } + CheckScreenPrivate (pScreen); + return TRUE; +} + +static int +ScreenSaverFreeSuspend (pointer value, XID id) +{ + ScreenSaverSuspensionPtr data = (ScreenSaverSuspensionPtr) value; + ScreenSaverSuspensionPtr *prev, this; + + /* Unlink and free the suspension record for the client */ + for (prev = &suspendingClients; (this = *prev); prev = &this->next) + { + if (this == data) + { + *prev = this->next; + free(this); + break; + } + } + + /* Reenable the screensaver if this was the last client suspending it. */ + if (screenSaverSuspended && suspendingClients == NULL) + { + screenSaverSuspended = FALSE; + + /* The screensaver could be active, since suspending it (by design) + doesn't prevent it from being forceably activated */ +#ifdef DPMSExtension + if (screenIsSaved != SCREEN_SAVER_ON && DPMSPowerLevel == DPMSModeOn) +#else + if (screenIsSaved != SCREEN_SAVER_ON) +#endif + { + UpdateCurrentTimeIf(); + lastDeviceEventTime = currentTime; + SetScreenSaverTimer(); + } + } + + return Success; +} + +static void +SendScreenSaverNotify (ScreenPtr pScreen, int state, Bool forced) +{ + ScreenSaverScreenPrivatePtr pPriv; + ScreenSaverEventPtr pEv; + unsigned long mask; + xScreenSaverNotifyEvent ev; + int kind; + + UpdateCurrentTimeIf (); + mask = ScreenSaverNotifyMask; + if (state == ScreenSaverCycle) + mask = ScreenSaverCycleMask; + pScreen = screenInfo.screens[pScreen->myNum]; + pPriv = GetScreenPrivate(pScreen); + if (!pPriv) + return; + if (pPriv->attr) + kind = ScreenSaverExternal; + else if (ScreenSaverBlanking != DontPreferBlanking) + kind = ScreenSaverBlanked; + else + kind = ScreenSaverInternal; + for (pEv = pPriv->events; pEv; pEv = pEv->next) + { + if (!(pEv->mask & mask)) + continue; + ev.type = ScreenSaverNotify + ScreenSaverEventBase; + ev.state = state; + ev.timestamp = currentTime.milliseconds; + ev.root = pScreen->root->drawable.id; + ev.window = pScreen->screensaver.wid; + ev.kind = kind; + ev.forced = forced; + WriteEventsToClient (pEv->client, 1, (xEvent *) &ev); + } +} + +static void +SScreenSaverNotifyEvent (xScreenSaverNotifyEvent *from, + xScreenSaverNotifyEvent *to) +{ + to->type = from->type; + to->state = from->state; + cpswaps (from->sequenceNumber, to->sequenceNumber); + cpswapl (from->timestamp, to->timestamp); + cpswapl (from->root, to->root); + cpswapl (from->window, to->window); + to->kind = from->kind; + to->forced = from->forced; +} + +static void +UninstallSaverColormap (ScreenPtr pScreen) +{ + SetupScreen(pScreen); + ColormapPtr pCmap; + int rc; + + if (pPriv && pPriv->installedMap != None) + { + rc = dixLookupResourceByType((pointer *)&pCmap, pPriv->installedMap, + RT_COLORMAP, serverClient, + DixUninstallAccess); + if (rc == Success) + (*pCmap->pScreen->UninstallColormap) (pCmap); + pPriv->installedMap = None; + CheckScreenPrivate (pScreen); + } +} + +static Bool +CreateSaverWindow (ScreenPtr pScreen) +{ + SetupScreen (pScreen); + ScreenSaverStuffPtr pSaver; + ScreenSaverAttrPtr pAttr; + WindowPtr pWin; + int result; + unsigned long mask; + Colormap *installedMaps; + int numInstalled; + int i; + Colormap wantMap; + ColormapPtr pCmap; + + pSaver = &pScreen->screensaver; + if (pSaver->pWindow) + { + pSaver->pWindow = NullWindow; + FreeResource (pSaver->wid, RT_NONE); + if (pPriv) + { + UninstallSaverColormap (pScreen); + pPriv->hasWindow = FALSE; + CheckScreenPrivate (pScreen); + } + } + + if (!pPriv || !(pAttr = pPriv->attr)) + return FALSE; + + pPriv->installedMap = None; + + if (GrabInProgress && GrabInProgress != pAttr->client->index) + return FALSE; + + pWin = CreateWindow (pSaver->wid, pScreen->root, + pAttr->x, pAttr->y, pAttr->width, pAttr->height, + pAttr->borderWidth, pAttr->class, + pAttr->mask, (XID *)pAttr->values, + pAttr->depth, serverClient, pAttr->visual, + &result); + if (!pWin) + return FALSE; + + if (!AddResource(pWin->drawable.id, RT_WINDOW, pWin)) + return FALSE; + + mask = 0; + if (pAttr->pBackgroundPixmap) + { + pWin->backgroundState = BackgroundPixmap; + pWin->background.pixmap = pAttr->pBackgroundPixmap; + pAttr->pBackgroundPixmap->refcnt++; + mask |= CWBackPixmap; + } + if (pAttr->pBorderPixmap) + { + pWin->borderIsPixel = FALSE; + pWin->border.pixmap = pAttr->pBorderPixmap; + pAttr->pBorderPixmap->refcnt++; + mask |= CWBorderPixmap; + } + if (pAttr->pCursor) + { + if (!pWin->optional) + if (!MakeWindowOptional (pWin)) + { + FreeResource (pWin->drawable.id, RT_NONE); + return FALSE; + } + pAttr->pCursor->refcnt++; + if (pWin->optional->cursor) + FreeCursor (pWin->optional->cursor, (Cursor)0); + pWin->optional->cursor = pAttr->pCursor; + pWin->cursorIsNone = FALSE; + CheckWindowOptionalNeed (pWin); + mask |= CWCursor; + } + if (mask) + (*pScreen->ChangeWindowAttributes) (pWin, mask); + + if (pAttr->colormap != None) + (void) ChangeWindowAttributes (pWin, CWColormap, &pAttr->colormap, + serverClient); + + MapWindow (pWin, serverClient); + + pPriv->hasWindow = TRUE; + pSaver->pWindow = pWin; + + /* check and install our own colormap if it isn't installed now */ + wantMap = wColormap (pWin); + if (wantMap == None) + return TRUE; + installedMaps = malloc(pScreen->maxInstalledCmaps * sizeof (Colormap)); + numInstalled = (*pWin->drawable.pScreen->ListInstalledColormaps) + (pScreen, installedMaps); + for (i = 0; i < numInstalled; i++) + if (installedMaps[i] == wantMap) + break; + + free((char *) installedMaps); + + if (i < numInstalled) + return TRUE; + + result = dixLookupResourceByType((pointer *)&pCmap, wantMap, RT_COLORMAP, + serverClient, DixInstallAccess); + if (result != Success) + return TRUE; + + pPriv->installedMap = wantMap; + + (*pCmap->pScreen->InstallColormap) (pCmap); + + return TRUE; +} + +static Bool +DestroySaverWindow (ScreenPtr pScreen) +{ + SetupScreen(pScreen); + ScreenSaverStuffPtr pSaver; + + if (!pPriv || !pPriv->hasWindow) + return FALSE; + + pSaver = &pScreen->screensaver; + if (pSaver->pWindow) + { + pSaver->pWindow = NullWindow; + FreeResource (pSaver->wid, RT_NONE); + } + pPriv->hasWindow = FALSE; + CheckScreenPrivate (pScreen); + UninstallSaverColormap (pScreen); + return TRUE; +} + +static Bool +ScreenSaverHandle (ScreenPtr pScreen, int xstate, Bool force) +{ + int state = 0; + Bool ret = FALSE; + ScreenSaverScreenPrivatePtr pPriv; + + switch (xstate) + { + case SCREEN_SAVER_ON: + state = ScreenSaverOn; + ret = CreateSaverWindow (pScreen); + break; + case SCREEN_SAVER_OFF: + state = ScreenSaverOff; + ret = DestroySaverWindow (pScreen); + break; + case SCREEN_SAVER_CYCLE: + state = ScreenSaverCycle; + pPriv = GetScreenPrivate (pScreen); + if (pPriv && pPriv->hasWindow) + ret = TRUE; + + } +#ifdef PANORAMIX + if(noPanoramiXExtension || !pScreen->myNum) +#endif + SendScreenSaverNotify (pScreen, state, force); + return ret; +} + +static int +ProcScreenSaverQueryVersion (ClientPtr client) +{ + xScreenSaverQueryVersionReply rep; + int n; + + REQUEST_SIZE_MATCH (xScreenSaverQueryVersionReq); + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.majorVersion = SERVER_SAVER_MAJOR_VERSION; + rep.minorVersion = SERVER_SAVER_MINOR_VERSION; + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + } + WriteToClient(client, sizeof (xScreenSaverQueryVersionReply), (char *)&rep); + return Success; +} + +static int +ProcScreenSaverQueryInfo (ClientPtr client) +{ + REQUEST(xScreenSaverQueryInfoReq); + xScreenSaverQueryInfoReply rep; + int n, rc; + ScreenSaverStuffPtr pSaver; + DrawablePtr pDraw; + CARD32 lastInput; + ScreenSaverScreenPrivatePtr pPriv; + + REQUEST_SIZE_MATCH (xScreenSaverQueryInfoReq); + rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0, + DixGetAttrAccess); + if (rc != Success) + return rc; + rc = XaceHook(XACE_SCREENSAVER_ACCESS, client, pDraw->pScreen, + DixGetAttrAccess); + if (rc != Success) + return rc; + + pSaver = &pDraw->pScreen->screensaver; + pPriv = GetScreenPrivate (pDraw->pScreen); + + UpdateCurrentTime (); + lastInput = GetTimeInMillis() - lastDeviceEventTime.milliseconds; + + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.window = pSaver->wid; + if (screenIsSaved != SCREEN_SAVER_OFF) + { + rep.state = ScreenSaverOn; + if (ScreenSaverTime) + rep.tilOrSince = lastInput - ScreenSaverTime; + else + rep.tilOrSince = 0; + } + else + { + if (ScreenSaverTime) + { + rep.state = ScreenSaverOff; + if (ScreenSaverTime < lastInput) + rep.tilOrSince = 0; + else + rep.tilOrSince = ScreenSaverTime - lastInput; + } + else + { + rep.state = ScreenSaverDisabled; + rep.tilOrSince = 0; + } + } + rep.idle = lastInput; + rep.eventMask = getEventMask (pDraw->pScreen, client); + if (pPriv && pPriv->attr) + rep.kind = ScreenSaverExternal; + else if (ScreenSaverBlanking != DontPreferBlanking) + rep.kind = ScreenSaverBlanked; + else + rep.kind = ScreenSaverInternal; + if (client->swapped) + { + swaps (&rep.sequenceNumber, n); + swapl (&rep.length, n); + swapl (&rep.window, n); + swapl (&rep.tilOrSince, n); + swapl (&rep.idle, n); + swapl (&rep.eventMask, n); + } + WriteToClient(client, sizeof (xScreenSaverQueryInfoReply), (char *)&rep); + return Success; +} + +static int +ProcScreenSaverSelectInput (ClientPtr client) +{ + REQUEST(xScreenSaverSelectInputReq); + DrawablePtr pDraw; + int rc; + + REQUEST_SIZE_MATCH (xScreenSaverSelectInputReq); + rc = dixLookupDrawable (&pDraw, stuff->drawable, client, 0, + DixGetAttrAccess); + if (rc != Success) + return rc; + + rc = XaceHook(XACE_SCREENSAVER_ACCESS, client, pDraw->pScreen, + DixSetAttrAccess); + if (rc != Success) + return rc; + + if (!setEventMask (pDraw->pScreen, client, stuff->eventMask)) + return BadAlloc; + return Success; +} + +static int +ScreenSaverSetAttributes (ClientPtr client) +{ + REQUEST(xScreenSaverSetAttributesReq); + DrawablePtr pDraw; + WindowPtr pParent; + ScreenPtr pScreen; + ScreenSaverScreenPrivatePtr pPriv = 0; + ScreenSaverAttrPtr pAttr = 0; + int ret, len, class, bw, depth; + unsigned long visual; + int idepth, ivisual; + Bool fOK; + DepthPtr pDepth; + WindowOptPtr ancwopt; + unsigned int *pVlist; + unsigned long *values = 0; + unsigned long tmask, imask; + unsigned long val; + Pixmap pixID; + PixmapPtr pPixmap; + Cursor cursorID; + CursorPtr pCursor; + Colormap cmap; + ColormapPtr pCmap; + + REQUEST_AT_LEAST_SIZE (xScreenSaverSetAttributesReq); + ret = dixLookupDrawable(&pDraw, stuff->drawable, client, 0, + DixGetAttrAccess); + if (ret != Success) + return ret; + pScreen = pDraw->pScreen; + pParent = pScreen->root; + + ret = XaceHook(XACE_SCREENSAVER_ACCESS, client, pScreen, DixSetAttrAccess); + if (ret != Success) + return ret; + + len = stuff->length - bytes_to_int32(sizeof(xScreenSaverSetAttributesReq)); + if (Ones(stuff->mask) != len) + return BadLength; + if (!stuff->width || !stuff->height) + { + client->errorValue = 0; + return BadValue; + } + switch (class = stuff->c_class) + { + case CopyFromParent: + case InputOnly: + case InputOutput: + break; + default: + client->errorValue = class; + return BadValue; + } + bw = stuff->borderWidth; + depth = stuff->depth; + visual = stuff->visualID; + + /* copied directly from CreateWindow */ + + if (class == CopyFromParent) + class = pParent->drawable.class; + + if ((class != InputOutput) && (class != InputOnly)) + { + client->errorValue = class; + return BadValue; + } + + if ((class != InputOnly) && (pParent->drawable.class == InputOnly)) + return BadMatch; + + if ((class == InputOnly) && ((bw != 0) || (depth != 0))) + return BadMatch; + + if ((class == InputOutput) && (depth == 0)) + depth = pParent->drawable.depth; + ancwopt = pParent->optional; + if (!ancwopt) + ancwopt = FindWindowWithOptional(pParent)->optional; + if (visual == CopyFromParent) + visual = ancwopt->visual; + + /* Find out if the depth and visual are acceptable for this Screen */ + if ((visual != ancwopt->visual) || (depth != pParent->drawable.depth)) + { + fOK = FALSE; + for(idepth = 0; idepth < pScreen->numDepths; idepth++) + { + pDepth = (DepthPtr) &pScreen->allowedDepths[idepth]; + if ((depth == pDepth->depth) || (depth == 0)) + { + for (ivisual = 0; ivisual < pDepth->numVids; ivisual++) + { + if (visual == pDepth->vids[ivisual]) + { + fOK = TRUE; + break; + } + } + } + } + if (fOK == FALSE) + return BadMatch; + } + + if (((stuff->mask & (CWBorderPixmap | CWBorderPixel)) == 0) && + (class != InputOnly) && + (depth != pParent->drawable.depth)) + { + return BadMatch; + } + + if (((stuff->mask & CWColormap) == 0) && + (class != InputOnly) && + ((visual != ancwopt->visual) || (ancwopt->colormap == None))) + { + return BadMatch; + } + + /* end of errors from CreateWindow */ + + pPriv = GetScreenPrivate (pScreen); + if (pPriv && pPriv->attr) + { + if (pPriv->attr->client != client) + return BadAccess; + } + if (!pPriv) + { + pPriv = MakeScreenPrivate (pScreen); + if (!pPriv) + return FALSE; + } + pAttr = New (ScreenSaverAttrRec); + if (!pAttr) + { + ret = BadAlloc; + goto bail; + } + /* over allocate for override redirect */ + values = malloc((len + 1) * sizeof (unsigned long)); + if (!values) + { + ret = BadAlloc; + goto bail; + } + pAttr->screen = pScreen; + pAttr->client = client; + pAttr->x = stuff->x; + pAttr->y = stuff->y; + pAttr->width = stuff->width; + pAttr->height = stuff->height; + pAttr->borderWidth = stuff->borderWidth; + pAttr->class = stuff->c_class; + pAttr->depth = depth; + pAttr->visual = visual; + pAttr->colormap = None; + pAttr->pCursor = NullCursor; + pAttr->pBackgroundPixmap = NullPixmap; + pAttr->pBorderPixmap = NullPixmap; + pAttr->values = values; + /* + * go through the mask, checking the values, + * looking up pixmaps and cursors and hold a reference + * to them. + */ + pAttr->mask = tmask = stuff->mask | CWOverrideRedirect; + pVlist = (unsigned int *) (stuff + 1); + while (tmask) { + imask = lowbit (tmask); + tmask &= ~imask; + switch (imask) + { + case CWBackPixmap: + pixID = (Pixmap )*pVlist; + if (pixID == None) + { + *values++ = None; + } + else if (pixID == ParentRelative) + { + if (depth != pParent->drawable.depth) + { + ret = BadMatch; + goto PatchUp; + } + *values++ = ParentRelative; + } + else + { + ret = dixLookupResourceByType((pointer *)&pPixmap, pixID, RT_PIXMAP, + client, DixReadAccess); + if (ret == Success) + { + if ((pPixmap->drawable.depth != depth) || + (pPixmap->drawable.pScreen != pScreen)) + { + ret = BadMatch; + goto PatchUp; + } + pAttr->pBackgroundPixmap = pPixmap; + pPixmap->refcnt++; + pAttr->mask &= ~CWBackPixmap; + } + else + { + client->errorValue = pixID; + goto PatchUp; + } + } + break; + case CWBackPixel: + *values++ = (CARD32) *pVlist; + break; + case CWBorderPixmap: + pixID = (Pixmap ) *pVlist; + if (pixID == CopyFromParent) + { + if (depth != pParent->drawable.depth) + { + ret = BadMatch; + goto PatchUp; + } + *values++ = CopyFromParent; + } + else + { + ret = dixLookupResourceByType((pointer *)&pPixmap, pixID, RT_PIXMAP, + client, DixReadAccess); + if (ret == Success) + { + if ((pPixmap->drawable.depth != depth) || + (pPixmap->drawable.pScreen != pScreen)) + { + ret = BadMatch; + goto PatchUp; + } + pAttr->pBorderPixmap = pPixmap; + pPixmap->refcnt++; + pAttr->mask &= ~CWBorderPixmap; + } + else + { + client->errorValue = pixID; + goto PatchUp; + } + } + break; + case CWBorderPixel: + *values++ = (CARD32) *pVlist; + break; + case CWBitGravity: + val = (CARD8 )*pVlist; + if (val > StaticGravity) + { + ret = BadValue; + client->errorValue = val; + goto PatchUp; + } + *values++ = val; + break; + case CWWinGravity: + val = (CARD8 )*pVlist; + if (val > StaticGravity) + { + ret = BadValue; + client->errorValue = val; + goto PatchUp; + } + *values++ = val; + break; + case CWBackingStore: + val = (CARD8 )*pVlist; + if ((val != NotUseful) && (val != WhenMapped) && (val != Always)) + { + ret = BadValue; + client->errorValue = val; + goto PatchUp; + } + *values++ = val; + break; + case CWBackingPlanes: + *values++ = (CARD32) *pVlist; + break; + case CWBackingPixel: + *values++ = (CARD32) *pVlist; + break; + case CWSaveUnder: + val = (BOOL) *pVlist; + if ((val != xTrue) && (val != xFalse)) + { + ret = BadValue; + client->errorValue = val; + goto PatchUp; + } + *values++ = val; + break; + case CWEventMask: + *values++ = (CARD32) *pVlist; + break; + case CWDontPropagate: + *values++ = (CARD32) *pVlist; + break; + case CWOverrideRedirect: + if (!(stuff->mask & CWOverrideRedirect)) + pVlist--; + else + { + val = (BOOL ) *pVlist; + if ((val != xTrue) && (val != xFalse)) + { + ret = BadValue; + client->errorValue = val; + goto PatchUp; + } + } + *values++ = xTrue; + break; + case CWColormap: + cmap = (Colormap) *pVlist; + ret = dixLookupResourceByType((pointer *)&pCmap, cmap, RT_COLORMAP, + client, DixUseAccess); + if (ret != Success) + { + client->errorValue = cmap; + goto PatchUp; + } + if (pCmap->pVisual->vid != visual || pCmap->pScreen != pScreen) + { + ret = BadMatch; + goto PatchUp; + } + pAttr->colormap = cmap; + pAttr->mask &= ~CWColormap; + break; + case CWCursor: + cursorID = (Cursor ) *pVlist; + if ( cursorID == None) + { + *values++ = None; + } + else + { + ret = dixLookupResourceByType((pointer *)&pCursor, cursorID, + RT_CURSOR, client, DixUseAccess); + if (ret != Success) + { + client->errorValue = cursorID; + goto PatchUp; + } + pCursor->refcnt++; + pAttr->pCursor = pCursor; + pAttr->mask &= ~CWCursor; + } + break; + default: + ret = BadValue; + client->errorValue = stuff->mask; + goto PatchUp; + } + pVlist++; + } + if (pPriv->attr) + FreeScreenAttr (pPriv->attr); + pPriv->attr = pAttr; + pAttr->resource = FakeClientID (client->index); + if (!AddResource (pAttr->resource, AttrType, (pointer) pAttr)) + return BadAlloc; + return Success; +PatchUp: + FreeAttrs (pAttr); +bail: + CheckScreenPrivate (pScreen); + if (pAttr) free(pAttr->values); + free(pAttr); + return ret; +} + +static int +ScreenSaverUnsetAttributes (ClientPtr client) +{ + REQUEST(xScreenSaverSetAttributesReq); + DrawablePtr pDraw; + ScreenSaverScreenPrivatePtr pPriv; + int rc; + + REQUEST_SIZE_MATCH (xScreenSaverUnsetAttributesReq); + rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0, + DixGetAttrAccess); + if (rc != Success) + return rc; + pPriv = GetScreenPrivate (pDraw->pScreen); + if (pPriv && pPriv->attr && pPriv->attr->client == client) + { + FreeResource (pPriv->attr->resource, AttrType); + FreeScreenAttr (pPriv->attr); + pPriv->attr = NULL; + CheckScreenPrivate (pDraw->pScreen); + } + return Success; +} + +static int +ProcScreenSaverSetAttributes (ClientPtr client) +{ +#ifdef PANORAMIX + if(!noPanoramiXExtension) { + REQUEST(xScreenSaverSetAttributesReq); + PanoramiXRes *draw; + PanoramiXRes *backPix = NULL; + PanoramiXRes *bordPix = NULL; + PanoramiXRes *cmap = NULL; + int i, status, len; + int pback_offset = 0, pbord_offset = 0, cmap_offset = 0; + XID orig_visual, tmp; + + REQUEST_AT_LEAST_SIZE (xScreenSaverSetAttributesReq); + + status = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (status != Success) + return (status == BadValue) ? BadDrawable : status; + + len = stuff->length - bytes_to_int32(sizeof(xScreenSaverSetAttributesReq)); + if (Ones(stuff->mask) != len) + return BadLength; + + if((Mask)stuff->mask & CWBackPixmap) { + pback_offset = Ones((Mask)stuff->mask & (CWBackPixmap - 1)); + tmp = *((CARD32 *) &stuff[1] + pback_offset); + if ((tmp != None) && (tmp != ParentRelative)) { + status = dixLookupResourceByType((pointer *)&backPix, tmp, + XRT_PIXMAP, client, + DixReadAccess); + if (status != Success) + return status; + } + } + + if ((Mask)stuff->mask & CWBorderPixmap) { + pbord_offset = Ones((Mask)stuff->mask & (CWBorderPixmap - 1)); + tmp = *((CARD32 *) &stuff[1] + pbord_offset); + if (tmp != CopyFromParent) { + status = dixLookupResourceByType((pointer *)&bordPix, tmp, + XRT_PIXMAP, client, + DixReadAccess); + if (status != Success) + return status; + } + } + + if ((Mask)stuff->mask & CWColormap) { + cmap_offset = Ones((Mask)stuff->mask & (CWColormap - 1)); + tmp = *((CARD32 *) &stuff[1] + cmap_offset); + if ((tmp != CopyFromParent) && (tmp != None)) { + status = dixLookupResourceByType((pointer *)&cmap, tmp, + XRT_COLORMAP, client, + DixReadAccess); + if (status != Success) + return status; + } + } + + orig_visual = stuff->visualID; + + FOR_NSCREENS_BACKWARD(i) { + stuff->drawable = draw->info[i].id; + if (backPix) + *((CARD32 *) &stuff[1] + pback_offset) = backPix->info[i].id; + if (bordPix) + *((CARD32 *) &stuff[1] + pbord_offset) = bordPix->info[i].id; + if (cmap) + *((CARD32 *) &stuff[1] + cmap_offset) = cmap->info[i].id; + + if (orig_visual != CopyFromParent) + stuff->visualID = PanoramiXTranslateVisualID(i, orig_visual); + + status = ScreenSaverSetAttributes(client); + } + + return status; + } +#endif + + return ScreenSaverSetAttributes(client); +} + +static int +ProcScreenSaverUnsetAttributes (ClientPtr client) +{ +#ifdef PANORAMIX + if(!noPanoramiXExtension) { + REQUEST(xScreenSaverUnsetAttributesReq); + PanoramiXRes *draw; + int rc, i; + + rc = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (rc != Success) + return (rc == BadValue) ? BadDrawable : rc; + + for(i = PanoramiXNumScreens - 1; i > 0; i--) { + stuff->drawable = draw->info[i].id; + ScreenSaverUnsetAttributes(client); + } + + stuff->drawable = draw->info[0].id; + } +#endif + + return ScreenSaverUnsetAttributes(client); +} + +static int +ProcScreenSaverSuspend (ClientPtr client) +{ + ScreenSaverSuspensionPtr *prev, this; + + REQUEST(xScreenSaverSuspendReq); + REQUEST_SIZE_MATCH(xScreenSaverSuspendReq); + + /* Check if this client is suspending the screensaver */ + for (prev = &suspendingClients; (this = *prev); prev = &this->next) + if (this->pClient == client) + break; + + if (this) + { + if (stuff->suspend == TRUE) + this->count++; + else if (--this->count == 0) + FreeResource (this->clientResource, RT_NONE); + + return Success; + } + + /* If we get to this point, this client isn't suspending the screensaver */ + if (stuff->suspend == FALSE) + return Success; + + /* + * Allocate a suspension record for the client, and stop the screensaver + * if it isn't already suspended by another client. We attach a resource ID + * to the record, so the screensaver will be reenabled and the record freed + * if the client disconnects without reenabling it first. + */ + this = malloc(sizeof (ScreenSaverSuspensionRec)); + + if (!this) + return BadAlloc; + + this->next = NULL; + this->pClient = client; + this->count = 1; + this->clientResource = FakeClientID (client->index); + + if (!AddResource (this->clientResource, SuspendType, (pointer) this)) + { + free(this); + return BadAlloc; + } + + *prev = this; + if (!screenSaverSuspended) + { + screenSaverSuspended = TRUE; + FreeScreenSaverTimer(); + } + + return Success; +} + +static int (*NormalVector[]) (ClientPtr /* client */) = { + ProcScreenSaverQueryVersion, + ProcScreenSaverQueryInfo, + ProcScreenSaverSelectInput, + ProcScreenSaverSetAttributes, + ProcScreenSaverUnsetAttributes, + ProcScreenSaverSuspend, +}; + +#define NUM_REQUESTS ((sizeof NormalVector) / (sizeof NormalVector[0])) + +static int +ProcScreenSaverDispatch (ClientPtr client) +{ + REQUEST(xReq); + + if (stuff->data < NUM_REQUESTS) + return (*NormalVector[stuff->data])(client); + return BadRequest; +} + +static int +SProcScreenSaverQueryVersion (ClientPtr client) +{ + REQUEST(xScreenSaverQueryVersionReq); + int n; + + swaps (&stuff->length, n); + REQUEST_SIZE_MATCH(xScreenSaverQueryVersionReq); + return ProcScreenSaverQueryVersion (client); +} + +static int +SProcScreenSaverQueryInfo (ClientPtr client) +{ + REQUEST(xScreenSaverQueryInfoReq); + int n; + + swaps (&stuff->length, n); + REQUEST_SIZE_MATCH(xScreenSaverQueryInfoReq); + swapl (&stuff->drawable, n); + return ProcScreenSaverQueryInfo (client); +} + +static int +SProcScreenSaverSelectInput (ClientPtr client) +{ + REQUEST(xScreenSaverSelectInputReq); + int n; + + swaps (&stuff->length, n); + REQUEST_SIZE_MATCH(xScreenSaverSelectInputReq); + swapl (&stuff->drawable, n); + swapl (&stuff->eventMask, n); + return ProcScreenSaverSelectInput (client); +} + +static int +SProcScreenSaverSetAttributes (ClientPtr client) +{ + REQUEST(xScreenSaverSetAttributesReq); + int n; + + swaps (&stuff->length, n); + REQUEST_AT_LEAST_SIZE(xScreenSaverSetAttributesReq); + swapl (&stuff->drawable, n); + swaps (&stuff->x, n); + swaps (&stuff->y, n); + swaps (&stuff->width, n); + swaps (&stuff->height, n); + swaps (&stuff->borderWidth, n); + swapl (&stuff->visualID, n); + swapl (&stuff->mask, n); + SwapRestL(stuff); + return ProcScreenSaverSetAttributes (client); +} + +static int +SProcScreenSaverUnsetAttributes (ClientPtr client) +{ + REQUEST(xScreenSaverUnsetAttributesReq); + int n; + + swaps (&stuff->length, n); + REQUEST_SIZE_MATCH(xScreenSaverUnsetAttributesReq); + swapl (&stuff->drawable, n); + return ProcScreenSaverUnsetAttributes (client); +} + +static int +SProcScreenSaverSuspend (ClientPtr client) +{ + int n; + REQUEST(xScreenSaverSuspendReq); + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xScreenSaverSuspendReq); + swapl(&stuff->suspend, n); + return ProcScreenSaverSuspend (client); +} + +static int (*SwappedVector[]) (ClientPtr /* client */) = { + SProcScreenSaverQueryVersion, + SProcScreenSaverQueryInfo, + SProcScreenSaverSelectInput, + SProcScreenSaverSetAttributes, + SProcScreenSaverUnsetAttributes, + SProcScreenSaverSuspend, +}; + +static int +SProcScreenSaverDispatch (ClientPtr client) +{ + REQUEST(xReq); + + if (stuff->data < NUM_REQUESTS) + return (*SwappedVector[stuff->data])(client); + return BadRequest; +} + +void +ScreenSaverExtensionInit(INITARGS) +{ + ExtensionEntry *extEntry; + int i; + ScreenPtr pScreen; + + if (!dixRegisterPrivateKey(&ScreenPrivateKeyRec, PRIVATE_SCREEN, 0)) + return; + + AttrType = CreateNewResourceType(ScreenSaverFreeAttr, "SaverAttr"); + SaverEventType = CreateNewResourceType(ScreenSaverFreeEvents, + "SaverEvent"); + SuspendType = CreateNewResourceType(ScreenSaverFreeSuspend, + "SaverSuspend"); + + for (i = 0; i < screenInfo.numScreens; i++) + { + pScreen = screenInfo.screens[i]; + SetScreenPrivate (pScreen, NULL); + } + if (AttrType && SaverEventType && SuspendType && + (extEntry = AddExtension(ScreenSaverName, ScreenSaverNumberEvents, 0, + ProcScreenSaverDispatch, SProcScreenSaverDispatch, + NULL, StandardMinorOpcode))) + { + ScreenSaverEventBase = extEntry->eventBase; + EventSwapVector[ScreenSaverEventBase] = (EventSwapPtr) SScreenSaverNotifyEvent; + } +} diff --git a/Xext/security.c b/Xext/security.c new file mode 100644 index 0000000..8673880 --- /dev/null +++ b/Xext/security.c @@ -0,0 +1,1146 @@ +/* + +Copyright 1996, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + +*/ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include "scrnintstr.h" +#include "inputstr.h" +#include "windowstr.h" +#include "propertyst.h" +#include "colormapst.h" +#include "privates.h" +#include "registry.h" +#include "xacestr.h" +#include "securitysrv.h" +#include <X11/extensions/securproto.h> +#include "modinit.h" +#include "protocol-versions.h" + +/* Extension stuff */ +static int SecurityErrorBase; /* first Security error number */ +static int SecurityEventBase; /* first Security event number */ + +RESTYPE SecurityAuthorizationResType; /* resource type for authorizations */ +static RESTYPE RTEventClient; + +static CallbackListPtr SecurityValidateGroupCallback = NULL; + +/* Private state record */ +static DevPrivateKeyRec stateKeyRec; +#define stateKey (&stateKeyRec) + +/* This is what we store as client security state */ +typedef struct { + int haveState; + unsigned int trustLevel; + XID authId; +} SecurityStateRec; + +/* Extensions that untrusted clients shouldn't have access to */ +static char *SecurityTrustedExtensions[] = { + "XC-MISC", + "BIG-REQUESTS", + "XpExtension", + NULL +}; + +/* + * Access modes that untrusted clients are allowed on trusted objects. + */ +static const Mask SecurityResourceMask = + DixGetAttrAccess | DixReceiveAccess | DixListPropAccess | + DixGetPropAccess | DixListAccess; +static const Mask SecurityWindowExtraMask = DixRemoveAccess; +static const Mask SecurityRootWindowExtraMask = + DixReceiveAccess | DixSendAccess | DixAddAccess | DixRemoveAccess; +static const Mask SecurityDeviceMask = + DixGetAttrAccess | DixReceiveAccess | DixGetFocusAccess | + DixGrabAccess | DixSetAttrAccess | DixUseAccess; +static const Mask SecurityServerMask = DixGetAttrAccess | DixGrabAccess; +static const Mask SecurityClientMask = DixGetAttrAccess; + + +/* SecurityAudit + * + * Arguments: + * format is the formatting string to be used to interpret the + * remaining arguments. + * + * Returns: nothing. + * + * Side Effects: + * Writes the message to the log file if security logging is on. + */ + +static void +SecurityAudit(char *format, ...) +{ + va_list args; + + if (auditTrailLevel < SECURITY_AUDIT_LEVEL) + return; + va_start(args, format); + VAuditF(format, args); + va_end(args); +} /* SecurityAudit */ + +/* + * Performs a Security permission check. + */ +static int +SecurityDoCheck(SecurityStateRec *subj, SecurityStateRec *obj, + Mask requested, Mask allowed) +{ + if (!subj->haveState || !obj->haveState) + return Success; + if (subj->trustLevel == XSecurityClientTrusted) + return Success; + if (obj->trustLevel != XSecurityClientTrusted) + return Success; + if ((requested | allowed) == allowed) + return Success; + + return BadAccess; +} + +/* + * Labels initial server objects. + */ +static void +SecurityLabelInitial(void) +{ + SecurityStateRec *state; + + /* Do the serverClient */ + state = dixLookupPrivate(&serverClient->devPrivates, stateKey); + state->trustLevel = XSecurityClientTrusted; + state->haveState = TRUE; +} + +/* + * Looks up a request name + */ +static _X_INLINE const char * +SecurityLookupRequestName(ClientPtr client) +{ + int major = ((xReq *)client->requestBuffer)->reqType; + int minor = MinorOpcodeOfRequest(client); + return LookupRequestName(major, minor); +} + + +/* SecurityDeleteAuthorization + * + * Arguments: + * value is the authorization to delete. + * id is its resource ID. + * + * Returns: Success. + * + * Side Effects: + * Frees everything associated with the authorization. + */ + +static int +SecurityDeleteAuthorization( + pointer value, + XID id) +{ + SecurityAuthorizationPtr pAuth = (SecurityAuthorizationPtr)value; + unsigned short name_len, data_len; + char *name, *data; + int status; + int i; + OtherClientsPtr pEventClient; + + /* Remove the auth using the os layer auth manager */ + + status = AuthorizationFromID(pAuth->id, &name_len, &name, + &data_len, &data); + assert(status); + status = RemoveAuthorization(name_len, name, data_len, data); + assert(status); + (void)status; + + /* free the auth timer if there is one */ + + if (pAuth->timer) TimerFree(pAuth->timer); + + /* send revoke events */ + + while ((pEventClient = pAuth->eventClients)) + { + /* send revocation event event */ + xSecurityAuthorizationRevokedEvent are; + are.type = SecurityEventBase + XSecurityAuthorizationRevoked; + are.authId = pAuth->id; + WriteEventsToClient(rClient(pEventClient), 1, (xEvent *)&are); + FreeResource(pEventClient->resource, RT_NONE); + } + + /* kill all clients using this auth */ + + for (i = 1; i<currentMaxClients; i++) + if (clients[i]) { + SecurityStateRec *state; + state = dixLookupPrivate(&clients[i]->devPrivates, stateKey); + if (state->haveState && state->authId == pAuth->id) + CloseDownClient(clients[i]); + } + + SecurityAudit("revoked authorization ID %d\n", pAuth->id); + free(pAuth); + return Success; + +} /* SecurityDeleteAuthorization */ + + +/* resource delete function for RTEventClient */ +static int +SecurityDeleteAuthorizationEventClient( + pointer value, + XID id) +{ + OtherClientsPtr pEventClient, prev = NULL; + SecurityAuthorizationPtr pAuth = (SecurityAuthorizationPtr)value; + + for (pEventClient = pAuth->eventClients; + pEventClient; + pEventClient = pEventClient->next) + { + if (pEventClient->resource == id) + { + if (prev) + prev->next = pEventClient->next; + else + pAuth->eventClients = pEventClient->next; + free(pEventClient); + return Success; + } + prev = pEventClient; + } + /*NOTREACHED*/ + return -1; /* make compiler happy */ +} /* SecurityDeleteAuthorizationEventClient */ + + +/* SecurityComputeAuthorizationTimeout + * + * Arguments: + * pAuth is the authorization for which we are computing the timeout + * seconds is the number of seconds we want to wait + * + * Returns: + * the number of milliseconds that the auth timer should be set to + * + * Side Effects: + * Sets pAuth->secondsRemaining to any "overflow" amount of time + * that didn't fit in 32 bits worth of milliseconds + */ + +static CARD32 +SecurityComputeAuthorizationTimeout( + SecurityAuthorizationPtr pAuth, + unsigned int seconds) +{ + /* maxSecs is the number of full seconds that can be expressed in + * 32 bits worth of milliseconds + */ + CARD32 maxSecs = (CARD32)(~0) / (CARD32)MILLI_PER_SECOND; + + if (seconds > maxSecs) + { /* only come here if we want to wait more than 49 days */ + pAuth->secondsRemaining = seconds - maxSecs; + return maxSecs * MILLI_PER_SECOND; + } + else + { /* by far the common case */ + pAuth->secondsRemaining = 0; + return seconds * MILLI_PER_SECOND; + } +} /* SecurityStartAuthorizationTimer */ + +/* SecurityAuthorizationExpired + * + * This function is passed as an argument to TimerSet and gets called from + * the timer manager in the os layer when its time is up. + * + * Arguments: + * timer is the timer for this authorization. + * time is the current time. + * pval is the authorization whose time is up. + * + * Returns: + * A new time delay in milliseconds if the timer should wait some + * more, else zero. + * + * Side Effects: + * Frees the authorization resource if the timeout period is really + * over, otherwise recomputes pAuth->secondsRemaining. + */ + +static CARD32 +SecurityAuthorizationExpired( + OsTimerPtr timer, + CARD32 time, + pointer pval) +{ + SecurityAuthorizationPtr pAuth = (SecurityAuthorizationPtr)pval; + + assert(pAuth->timer == timer); + + if (pAuth->secondsRemaining) + { + return SecurityComputeAuthorizationTimeout(pAuth, + pAuth->secondsRemaining); + } + else + { + FreeResource(pAuth->id, RT_NONE); + return 0; + } +} /* SecurityAuthorizationExpired */ + +/* SecurityStartAuthorizationTimer + * + * Arguments: + * pAuth is the authorization whose timer should be started. + * + * Returns: nothing. + * + * Side Effects: + * A timer is started, set to expire after the timeout period for + * this authorization. When it expires, the function + * SecurityAuthorizationExpired will be called. + */ + +static void +SecurityStartAuthorizationTimer( + SecurityAuthorizationPtr pAuth) +{ + pAuth->timer = TimerSet(pAuth->timer, 0, + SecurityComputeAuthorizationTimeout(pAuth, pAuth->timeout), + SecurityAuthorizationExpired, pAuth); +} /* SecurityStartAuthorizationTimer */ + + +/* Proc functions all take a client argument, execute the request in + * client->requestBuffer, and return a protocol error status. + */ + +static int +ProcSecurityQueryVersion( + ClientPtr client) +{ + /* REQUEST(xSecurityQueryVersionReq); */ + xSecurityQueryVersionReply rep; + + REQUEST_SIZE_MATCH(xSecurityQueryVersionReq); + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.length = 0; + rep.majorVersion = SERVER_SECURITY_MAJOR_VERSION; + rep.minorVersion = SERVER_SECURITY_MINOR_VERSION; + if(client->swapped) + { + char n; + swaps(&rep.sequenceNumber, n); + swaps(&rep.majorVersion, n); + swaps(&rep.minorVersion, n); + } + (void)WriteToClient(client, SIZEOF(xSecurityQueryVersionReply), + (char *)&rep); + return Success; +} /* ProcSecurityQueryVersion */ + + +static int +SecurityEventSelectForAuthorization( + SecurityAuthorizationPtr pAuth, + ClientPtr client, + Mask mask) +{ + OtherClients *pEventClient; + + for (pEventClient = pAuth->eventClients; + pEventClient; + pEventClient = pEventClient->next) + { + if (SameClient(pEventClient, client)) + { + if (mask == 0) + FreeResource(pEventClient->resource, RT_NONE); + else + pEventClient->mask = mask; + return Success; + } + } + + pEventClient = malloc(sizeof(OtherClients)); + if (!pEventClient) + return BadAlloc; + pEventClient->mask = mask; + pEventClient->resource = FakeClientID(client->index); + pEventClient->next = pAuth->eventClients; + if (!AddResource(pEventClient->resource, RTEventClient, + (pointer)pAuth)) + { + free(pEventClient); + return BadAlloc; + } + pAuth->eventClients = pEventClient; + + return Success; +} /* SecurityEventSelectForAuthorization */ + + +static int +ProcSecurityGenerateAuthorization( + ClientPtr client) +{ + REQUEST(xSecurityGenerateAuthorizationReq); + int len; /* request length in CARD32s*/ + Bool removeAuth = FALSE; /* if bailout, call RemoveAuthorization? */ + SecurityAuthorizationPtr pAuth = NULL; /* auth we are creating */ + int err; /* error to return from this function */ + XID authId; /* authorization ID assigned by os layer */ + xSecurityGenerateAuthorizationReply rep; /* reply struct */ + unsigned int trustLevel; /* trust level of new auth */ + XID group; /* group of new auth */ + CARD32 timeout; /* timeout of new auth */ + CARD32 *values; /* list of supplied attributes */ + char *protoname; /* auth proto name sent in request */ + char *protodata; /* auth proto data sent in request */ + unsigned int authdata_len; /* # bytes of generated auth data */ + char *pAuthdata; /* generated auth data */ + Mask eventMask; /* what events on this auth does client want */ + + /* check request length */ + + REQUEST_AT_LEAST_SIZE(xSecurityGenerateAuthorizationReq); + len = bytes_to_int32(SIZEOF(xSecurityGenerateAuthorizationReq)); + len += bytes_to_int32(stuff->nbytesAuthProto); + len += bytes_to_int32(stuff->nbytesAuthData); + values = ((CARD32 *)stuff) + len; + len += Ones(stuff->valueMask); + if (client->req_len != len) + return BadLength; + + /* check valuemask */ + if (stuff->valueMask & ~XSecurityAllAuthorizationAttributes) + { + client->errorValue = stuff->valueMask; + return BadValue; + } + + /* check timeout */ + timeout = 60; + if (stuff->valueMask & XSecurityTimeout) + { + timeout = *values++; + } + + /* check trustLevel */ + trustLevel = XSecurityClientUntrusted; + if (stuff->valueMask & XSecurityTrustLevel) + { + trustLevel = *values++; + if (trustLevel != XSecurityClientTrusted && + trustLevel != XSecurityClientUntrusted) + { + client->errorValue = trustLevel; + return BadValue; + } + } + + /* check group */ + group = None; + if (stuff->valueMask & XSecurityGroup) + { + group = *values++; + if (SecurityValidateGroupCallback) + { + SecurityValidateGroupInfoRec vgi; + vgi.group = group; + vgi.valid = FALSE; + CallCallbacks(&SecurityValidateGroupCallback, (pointer)&vgi); + + /* if nobody said they recognized it, it's an error */ + + if (!vgi.valid) + { + client->errorValue = group; + return BadValue; + } + } + } + + /* check event mask */ + eventMask = 0; + if (stuff->valueMask & XSecurityEventMask) + { + eventMask = *values++; + if (eventMask & ~XSecurityAllEventMasks) + { + client->errorValue = eventMask; + return BadValue; + } + } + + protoname = (char *)&stuff[1]; + protodata = protoname + bytes_to_int32(stuff->nbytesAuthProto); + + /* call os layer to generate the authorization */ + + authId = GenerateAuthorization(stuff->nbytesAuthProto, protoname, + stuff->nbytesAuthData, protodata, + &authdata_len, &pAuthdata); + if ((XID) ~0L == authId) + { + err = SecurityErrorBase + XSecurityBadAuthorizationProtocol; + goto bailout; + } + + /* now that we've added the auth, remember to remove it if we have to + * abort the request for some reason (like allocation failure) + */ + removeAuth = TRUE; + + /* associate additional information with this auth ID */ + + pAuth = malloc(sizeof(SecurityAuthorizationRec)); + if (!pAuth) + { + err = BadAlloc; + goto bailout; + } + + /* fill in the auth fields */ + + pAuth->id = authId; + pAuth->timeout = timeout; + pAuth->group = group; + pAuth->trustLevel = trustLevel; + pAuth->refcnt = 0; /* the auth was just created; nobody's using it yet */ + pAuth->secondsRemaining = 0; + pAuth->timer = NULL; + pAuth->eventClients = NULL; + + /* handle event selection */ + if (eventMask) + { + err = SecurityEventSelectForAuthorization(pAuth, client, eventMask); + if (err != Success) + goto bailout; + } + + if (!AddResource(authId, SecurityAuthorizationResType, pAuth)) + { + err = BadAlloc; + goto bailout; + } + + /* start the timer ticking */ + + if (pAuth->timeout != 0) + SecurityStartAuthorizationTimer(pAuth); + + /* tell client the auth id and data */ + + rep.type = X_Reply; + rep.length = bytes_to_int32(authdata_len); + rep.sequenceNumber = client->sequence; + rep.authId = authId; + rep.dataLength = authdata_len; + + if (client->swapped) + { + char n; + swapl(&rep.length, n); + swaps(&rep.sequenceNumber, n); + swapl(&rep.authId, n); + swaps(&rep.dataLength, n); + } + + WriteToClient(client, SIZEOF(xSecurityGenerateAuthorizationReply), + (char *)&rep); + WriteToClient(client, authdata_len, pAuthdata); + + SecurityAudit("client %d generated authorization %d trust %d timeout %d group %d events %d\n", + client->index, pAuth->id, pAuth->trustLevel, pAuth->timeout, + pAuth->group, eventMask); + + /* the request succeeded; don't call RemoveAuthorization or free pAuth */ + return Success; + +bailout: + if (removeAuth) + RemoveAuthorization(stuff->nbytesAuthProto, protoname, + authdata_len, pAuthdata); + free(pAuth); + return err; + +} /* ProcSecurityGenerateAuthorization */ + +static int +ProcSecurityRevokeAuthorization( + ClientPtr client) +{ + REQUEST(xSecurityRevokeAuthorizationReq); + SecurityAuthorizationPtr pAuth; + int rc; + + REQUEST_SIZE_MATCH(xSecurityRevokeAuthorizationReq); + + rc = dixLookupResourceByType((pointer *)&pAuth, stuff->authId, + SecurityAuthorizationResType, client, + DixDestroyAccess); + if (rc != Success) + return rc; + + FreeResource(stuff->authId, RT_NONE); + return Success; +} /* ProcSecurityRevokeAuthorization */ + + +static int +ProcSecurityDispatch( + ClientPtr client) +{ + REQUEST(xReq); + + switch (stuff->data) + { + case X_SecurityQueryVersion: + return ProcSecurityQueryVersion(client); + case X_SecurityGenerateAuthorization: + return ProcSecurityGenerateAuthorization(client); + case X_SecurityRevokeAuthorization: + return ProcSecurityRevokeAuthorization(client); + default: + return BadRequest; + } +} /* ProcSecurityDispatch */ + +static int +SProcSecurityQueryVersion( + ClientPtr client) +{ + REQUEST(xSecurityQueryVersionReq); + char n; + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xSecurityQueryVersionReq); + swaps(&stuff->majorVersion, n); + swaps(&stuff->minorVersion,n); + return ProcSecurityQueryVersion(client); +} /* SProcSecurityQueryVersion */ + + +static int +SProcSecurityGenerateAuthorization( + ClientPtr client) +{ + REQUEST(xSecurityGenerateAuthorizationReq); + char n; + CARD32 *values; + unsigned long nvalues; + int values_offset; + + swaps(&stuff->length, n); + REQUEST_AT_LEAST_SIZE(xSecurityGenerateAuthorizationReq); + swaps(&stuff->nbytesAuthProto, n); + swaps(&stuff->nbytesAuthData, n); + swapl(&stuff->valueMask, n); + values_offset = bytes_to_int32(stuff->nbytesAuthProto) + + bytes_to_int32(stuff->nbytesAuthData); + if (values_offset > + stuff->length - bytes_to_int32(sz_xSecurityGenerateAuthorizationReq)) + return BadLength; + values = (CARD32 *)(&stuff[1]) + values_offset; + nvalues = (((CARD32 *)stuff) + stuff->length) - values; + SwapLongs(values, nvalues); + return ProcSecurityGenerateAuthorization(client); +} /* SProcSecurityGenerateAuthorization */ + + +static int +SProcSecurityRevokeAuthorization( + ClientPtr client) +{ + REQUEST(xSecurityRevokeAuthorizationReq); + char n; + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xSecurityRevokeAuthorizationReq); + swapl(&stuff->authId, n); + return ProcSecurityRevokeAuthorization(client); +} /* SProcSecurityRevokeAuthorization */ + + +static int +SProcSecurityDispatch( + ClientPtr client) +{ + REQUEST(xReq); + + switch (stuff->data) + { + case X_SecurityQueryVersion: + return SProcSecurityQueryVersion(client); + case X_SecurityGenerateAuthorization: + return SProcSecurityGenerateAuthorization(client); + case X_SecurityRevokeAuthorization: + return SProcSecurityRevokeAuthorization(client); + default: + return BadRequest; + } +} /* SProcSecurityDispatch */ + +static void +SwapSecurityAuthorizationRevokedEvent( + xSecurityAuthorizationRevokedEvent *from, + xSecurityAuthorizationRevokedEvent *to) +{ + to->type = from->type; + to->detail = from->detail; + cpswaps(from->sequenceNumber, to->sequenceNumber); + cpswapl(from->authId, to->authId); +} + +/* SecurityCheckDeviceAccess + * + * Arguments: + * client is the client attempting to access a device. + * dev is the device being accessed. + * fromRequest is TRUE if the device access is a direct result of + * the client executing some request and FALSE if it is a + * result of the server trying to send an event (e.g. KeymapNotify) + * to the client. + * Returns: + * TRUE if the device access should be allowed, else FALSE. + * + * Side Effects: + * An audit message is generated if access is denied. + */ + +static void +SecurityDevice(CallbackListPtr *pcbl, pointer unused, pointer calldata) +{ + XaceDeviceAccessRec *rec = calldata; + SecurityStateRec *subj, *obj; + Mask requested = rec->access_mode; + Mask allowed = SecurityDeviceMask; + + subj = dixLookupPrivate(&rec->client->devPrivates, stateKey); + obj = dixLookupPrivate(&serverClient->devPrivates, stateKey); + + if (rec->dev != inputInfo.keyboard) + /* this extension only supports the core keyboard */ + allowed = requested; + + if (SecurityDoCheck(subj, obj, requested, allowed) != Success) { + SecurityAudit("Security denied client %d keyboard access on request " + "%s\n", rec->client->index, + SecurityLookupRequestName(rec->client)); + rec->status = BadAccess; + } +} + +/* SecurityResource + * + * This function gets plugged into client->CheckAccess and is called from + * SecurityLookupIDByType/Class to determine if the client can access the + * resource. + * + * Arguments: + * client is the client doing the resource access. + * id is the resource id. + * rtype is its type or class. + * access_mode represents the intended use of the resource; see + * resource.h. + * res is a pointer to the resource structure for this resource. + * + * Returns: + * If access is granted, the value of rval that was passed in, else FALSE. + * + * Side Effects: + * Disallowed resource accesses are audited. + */ + +static void +SecurityResource(CallbackListPtr *pcbl, pointer unused, pointer calldata) +{ + XaceResourceAccessRec *rec = calldata; + SecurityStateRec *subj, *obj; + int cid = CLIENT_ID(rec->id); + Mask requested = rec->access_mode; + Mask allowed = SecurityResourceMask; + + subj = dixLookupPrivate(&rec->client->devPrivates, stateKey); + + /* disable background None for untrusted windows */ + if ((requested & DixCreateAccess) && (rec->rtype == RT_WINDOW)) + if (subj->haveState && subj->trustLevel != XSecurityClientTrusted) + ((WindowPtr)rec->res)->forcedBG = TRUE; + + /* additional permissions for specific resource types */ + if (rec->rtype == RT_WINDOW) + allowed |= SecurityWindowExtraMask; + + /* special checks for server-owned resources */ + if (cid == 0) { + if (rec->rtype & RC_DRAWABLE) + /* additional operations allowed on root windows */ + allowed |= SecurityRootWindowExtraMask; + + else if (rec->rtype == RT_COLORMAP) + /* allow access to default colormaps */ + allowed = requested; + + else + /* allow read access to other server-owned resources */ + allowed |= DixReadAccess; + } + + if (clients[cid] != NULL) { + obj = dixLookupPrivate(&clients[cid]->devPrivates, stateKey); + if (SecurityDoCheck(subj, obj, requested, allowed) == Success) + return; + } + + SecurityAudit("Security: denied client %d access %x to resource 0x%x " + "of client %d on request %s\n", rec->client->index, + requested, rec->id, cid, + SecurityLookupRequestName(rec->client)); + rec->status = BadAccess; /* deny access */ +} + + +static void +SecurityExtension(CallbackListPtr *pcbl, pointer unused, pointer calldata) +{ + XaceExtAccessRec *rec = calldata; + SecurityStateRec *subj; + int i = 0; + + subj = dixLookupPrivate(&rec->client->devPrivates, stateKey); + + if (subj->haveState && subj->trustLevel == XSecurityClientTrusted) + return; + + while (SecurityTrustedExtensions[i]) + if (!strcmp(SecurityTrustedExtensions[i++], rec->ext->name)) + return; + + SecurityAudit("Security: denied client %d access to extension " + "%s on request %s\n", + rec->client->index, rec->ext->name, + SecurityLookupRequestName(rec->client)); + rec->status = BadAccess; +} + +static void +SecurityServer(CallbackListPtr *pcbl, pointer unused, pointer calldata) +{ + XaceServerAccessRec *rec = calldata; + SecurityStateRec *subj, *obj; + Mask requested = rec->access_mode; + Mask allowed = SecurityServerMask; + + subj = dixLookupPrivate(&rec->client->devPrivates, stateKey); + obj = dixLookupPrivate(&serverClient->devPrivates, stateKey); + + if (SecurityDoCheck(subj, obj, requested, allowed) != Success) { + SecurityAudit("Security: denied client %d access to server " + "configuration request %s\n", rec->client->index, + SecurityLookupRequestName(rec->client)); + rec->status = BadAccess; + } +} + +static void +SecurityClient(CallbackListPtr *pcbl, pointer unused, pointer calldata) +{ + XaceClientAccessRec *rec = calldata; + SecurityStateRec *subj, *obj; + Mask requested = rec->access_mode; + Mask allowed = SecurityClientMask; + + subj = dixLookupPrivate(&rec->client->devPrivates, stateKey); + obj = dixLookupPrivate(&rec->target->devPrivates, stateKey); + + if (SecurityDoCheck(subj, obj, requested, allowed) != Success) { + SecurityAudit("Security: denied client %d access to client %d on " + "request %s\n", rec->client->index, rec->target->index, + SecurityLookupRequestName(rec->client)); + rec->status = BadAccess; + } +} + +static void +SecurityProperty(CallbackListPtr *pcbl, pointer unused, pointer calldata) +{ + XacePropertyAccessRec *rec = calldata; + SecurityStateRec *subj, *obj; + ATOM name = (*rec->ppProp)->propertyName; + Mask requested = rec->access_mode; + Mask allowed = SecurityResourceMask | DixReadAccess; + + subj = dixLookupPrivate(&rec->client->devPrivates, stateKey); + obj = dixLookupPrivate(&wClient(rec->pWin)->devPrivates, stateKey); + + if (SecurityDoCheck(subj, obj, requested, allowed) != Success) { + SecurityAudit("Security: denied client %d access to property %s " + "(atom 0x%x) window 0x%x of client %d on request %s\n", + rec->client->index, NameForAtom(name), name, + rec->pWin->drawable.id, wClient(rec->pWin)->index, + SecurityLookupRequestName(rec->client)); + rec->status = BadAccess; + } +} + +static void +SecuritySend(CallbackListPtr *pcbl, pointer unused, pointer calldata) +{ + XaceSendAccessRec *rec = calldata; + SecurityStateRec *subj, *obj; + + if (rec->client) { + int i; + + subj = dixLookupPrivate(&rec->client->devPrivates, stateKey); + obj = dixLookupPrivate(&wClient(rec->pWin)->devPrivates, stateKey); + + if (SecurityDoCheck(subj, obj, DixSendAccess, 0) == Success) + return; + + for (i = 0; i < rec->count; i++) + if (rec->events[i].u.u.type != UnmapNotify && + rec->events[i].u.u.type != ConfigureRequest && + rec->events[i].u.u.type != ClientMessage) { + + SecurityAudit("Security: denied client %d from sending event " + "of type %s to window 0x%x of client %d\n", + rec->client->index, + LookupEventName(rec->events[i].u.u.type), + rec->pWin->drawable.id, + wClient(rec->pWin)->index); + rec->status = BadAccess; + return; + } + } +} + +static void +SecurityReceive(CallbackListPtr *pcbl, pointer unused, pointer calldata) +{ + XaceReceiveAccessRec *rec = calldata; + SecurityStateRec *subj, *obj; + + subj = dixLookupPrivate(&rec->client->devPrivates, stateKey); + obj = dixLookupPrivate(&wClient(rec->pWin)->devPrivates, stateKey); + + if (SecurityDoCheck(subj, obj, DixReceiveAccess, 0) == Success) + return; + + SecurityAudit("Security: denied client %d from receiving an event " + "sent to window 0x%x of client %d\n", + rec->client->index, rec->pWin->drawable.id, + wClient(rec->pWin)->index); + rec->status = BadAccess; +} + +/* SecurityClientStateCallback + * + * Arguments: + * pcbl is &ClientStateCallback. + * nullata is NULL. + * calldata is a pointer to a NewClientInfoRec (include/dixstruct.h) + * which contains information about client state changes. + * + * Returns: nothing. + * + * Side Effects: + * + * If a new client is connecting, its authorization ID is copied to + * client->authID. If this is a generated authorization, its reference + * count is bumped, its timer is cancelled if it was running, and its + * trustlevel is copied to TRUSTLEVEL(client). + * + * If a client is disconnecting and the client was using a generated + * authorization, the authorization's reference count is decremented, and + * if it is now zero, the timer for this authorization is started. + */ + +static void +SecurityClientState(CallbackListPtr *pcbl, pointer unused, pointer calldata) +{ + NewClientInfoRec *pci = calldata; + SecurityStateRec *state; + SecurityAuthorizationPtr pAuth; + int rc; + + state = dixLookupPrivate(&pci->client->devPrivates, stateKey); + + switch (pci->client->clientState) { + case ClientStateInitial: + state->trustLevel = XSecurityClientTrusted; + state->authId = None; + state->haveState = TRUE; + break; + + case ClientStateRunning: + state->authId = AuthorizationIDOfClient(pci->client); + rc = dixLookupResourceByType((pointer *)&pAuth, state->authId, + SecurityAuthorizationResType, serverClient, + DixGetAttrAccess); + if (rc == Success) { + /* it is a generated authorization */ + pAuth->refcnt++; + if (pAuth->refcnt == 1 && pAuth->timer) + TimerCancel(pAuth->timer); + + state->trustLevel = pAuth->trustLevel; + } + break; + + case ClientStateGone: + case ClientStateRetained: + rc = dixLookupResourceByType((pointer *)&pAuth, state->authId, + SecurityAuthorizationResType, serverClient, + DixGetAttrAccess); + if (rc == Success) { + /* it is a generated authorization */ + pAuth->refcnt--; + if (pAuth->refcnt == 0) + SecurityStartAuthorizationTimer(pAuth); + } + break; + + default: + break; + } +} + +/* SecurityResetProc + * + * Arguments: + * extEntry is the extension information for the security extension. + * + * Returns: nothing. + * + * Side Effects: + * Performs any cleanup needed by Security at server shutdown time. + */ + +static void +SecurityResetProc( + ExtensionEntry *extEntry) +{ + /* Unregister callbacks */ + DeleteCallback(&ClientStateCallback, SecurityClientState, NULL); + + XaceDeleteCallback(XACE_EXT_DISPATCH, SecurityExtension, NULL); + XaceDeleteCallback(XACE_RESOURCE_ACCESS, SecurityResource, NULL); + XaceDeleteCallback(XACE_DEVICE_ACCESS, SecurityDevice, NULL); + XaceDeleteCallback(XACE_PROPERTY_ACCESS, SecurityProperty, NULL); + XaceDeleteCallback(XACE_SEND_ACCESS, SecuritySend, NULL); + XaceDeleteCallback(XACE_RECEIVE_ACCESS, SecurityReceive, NULL); + XaceDeleteCallback(XACE_CLIENT_ACCESS, SecurityClient, NULL); + XaceDeleteCallback(XACE_EXT_ACCESS, SecurityExtension, NULL); + XaceDeleteCallback(XACE_SERVER_ACCESS, SecurityServer, NULL); +} + + +/* SecurityExtensionInit + * + * Arguments: none. + * + * Returns: nothing. + * + * Side Effects: + * Enables the Security extension if possible. + */ + +void +SecurityExtensionInit(INITARGS) +{ + ExtensionEntry *extEntry; + int ret = TRUE; + + SecurityAuthorizationResType = + CreateNewResourceType(SecurityDeleteAuthorization, + "SecurityAuthorization"); + + RTEventClient = + CreateNewResourceType(SecurityDeleteAuthorizationEventClient, + "SecurityEventClient"); + + if (!SecurityAuthorizationResType || !RTEventClient) + return; + + RTEventClient |= RC_NEVERRETAIN; + + /* Allocate the private storage */ + if (!dixRegisterPrivateKey(stateKey, PRIVATE_CLIENT, sizeof(SecurityStateRec))) + FatalError("SecurityExtensionSetup: Can't allocate client private.\n"); + + /* Register callbacks */ + ret &= AddCallback(&ClientStateCallback, SecurityClientState, NULL); + + ret &= XaceRegisterCallback(XACE_EXT_DISPATCH, SecurityExtension, NULL); + ret &= XaceRegisterCallback(XACE_RESOURCE_ACCESS, SecurityResource, NULL); + ret &= XaceRegisterCallback(XACE_DEVICE_ACCESS, SecurityDevice, NULL); + ret &= XaceRegisterCallback(XACE_PROPERTY_ACCESS, SecurityProperty, NULL); + ret &= XaceRegisterCallback(XACE_SEND_ACCESS, SecuritySend, NULL); + ret &= XaceRegisterCallback(XACE_RECEIVE_ACCESS, SecurityReceive, NULL); + ret &= XaceRegisterCallback(XACE_CLIENT_ACCESS, SecurityClient, NULL); + ret &= XaceRegisterCallback(XACE_EXT_ACCESS, SecurityExtension, NULL); + ret &= XaceRegisterCallback(XACE_SERVER_ACCESS, SecurityServer, NULL); + + if (!ret) + FatalError("SecurityExtensionSetup: Failed to register callbacks\n"); + + /* Add extension to server */ + extEntry = AddExtension(SECURITY_EXTENSION_NAME, + XSecurityNumberEvents, XSecurityNumberErrors, + ProcSecurityDispatch, SProcSecurityDispatch, + SecurityResetProc, StandardMinorOpcode); + + SecurityErrorBase = extEntry->errorBase; + SecurityEventBase = extEntry->eventBase; + + EventSwapVector[SecurityEventBase + XSecurityAuthorizationRevoked] = + (EventSwapPtr)SwapSecurityAuthorizationRevokedEvent; + + SetResourceTypeErrorValue(SecurityAuthorizationResType, SecurityErrorBase + XSecurityBadAuthorization); + + /* Label objects that were created before we could register ourself */ + SecurityLabelInitial(); +} diff --git a/Xext/securitysrv.h b/Xext/securitysrv.h new file mode 100644 index 0000000..3d3894a --- /dev/null +++ b/Xext/securitysrv.h @@ -0,0 +1,83 @@ +/* +Copyright 1996, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +The above copyright notice and this permission notice shall be included +in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR +OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, +ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall +not be used in advertising or otherwise to promote the sale, use or +other dealings in this Software without prior written authorization +from The Open Group. +*/ + +/* Xserver internals for Security extension - moved here from + _SECURITY_SERVER section of <X11/extensions/security.h> */ + +#ifndef _SECURITY_SRV_H +#define _SECURITY_SRV_H + +/* Allow client side portions of <X11/extensions/security.h> to compile */ +#ifndef Status +# define Status int +# define NEED_UNDEF_Status +#endif +#ifndef Display +# define Display void +# define NEED_UNDEF_Display +#endif + +#include <X11/extensions/secur.h> + +#ifdef NEED_UNDEF_Status +# undef Status +# undef NEED_UNDEF_Status +#endif +#ifdef NEED_UNDEF_Display +# undef Display +# undef NEED_UNDEF_Display +#endif + + +#include "input.h" /* for DeviceIntPtr */ +#include "property.h" /* for PropertyPtr */ +#include "pixmap.h" /* for DrawablePtr */ +#include "resource.h" /* for RESTYPE */ + +/* resource type to pass in LookupIDByType for authorizations */ +extern RESTYPE SecurityAuthorizationResType; + +/* this is what we store for an authorization */ +typedef struct { + XID id; /* resource ID */ + CARD32 timeout; /* how long to live in seconds after refcnt == 0 */ + unsigned int trustLevel; /* trusted/untrusted */ + XID group; /* see embedding extension */ + unsigned int refcnt; /* how many clients connected with this auth */ + unsigned int secondsRemaining; /* overflow time amount for >49 days */ + OsTimerPtr timer; /* timer for this auth */ + struct _OtherClients *eventClients; /* clients wanting events */ +} SecurityAuthorizationRec, *SecurityAuthorizationPtr; + +typedef struct { + XID group; /* the group that was sent in GenerateAuthorization */ + Bool valid; /* did anyone recognize it? if so, set to TRUE */ +} SecurityValidateGroupInfoRec; + +/* Give this value or higher to the -audit option to get security messages */ +#define SECURITY_AUDIT_LEVEL 4 + +#endif /* _SECURITY_SRV_H */ diff --git a/Xext/shape.c b/Xext/shape.c new file mode 100644 index 0000000..115fc07 --- /dev/null +++ b/Xext/shape.c @@ -0,0 +1,1260 @@ +/************************************************************ + +Copyright 1989, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + +********************************************************/ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include <stdlib.h> + +#include <X11/X.h> +#include <X11/Xproto.h> +#include "misc.h" +#include "os.h" +#include "windowstr.h" +#include "scrnintstr.h" +#include "pixmapstr.h" +#include "extnsionst.h" +#include "dixstruct.h" +#include "resource.h" +#include "opaque.h" +#include <X11/extensions/shapeproto.h> +#include "regionstr.h" +#include "gcstruct.h" +#include "modinit.h" +#include "protocol-versions.h" + +typedef RegionPtr (*CreateDftPtr)( + WindowPtr /* pWin */ + ); + +static int ShapeFreeClient( + pointer /* data */, + XID /* id */ + ); +static int ShapeFreeEvents( + pointer /* data */, + XID /* id */ + ); +static void SShapeNotifyEvent( + xShapeNotifyEvent * /* from */, + xShapeNotifyEvent * /* to */ + ); + +/* SendShapeNotify, CreateBoundingShape and CreateClipShape are used + * externally by the Xfixes extension and are now defined in window.h + */ + + +#ifdef PANORAMIX +#include "panoramiX.h" +#include "panoramiXsrv.h" +#endif + +static int ShapeEventBase = 0; +static RESTYPE ClientType, ShapeEventType; /* resource types for event masks */ + +/* + * each window has a list of clients requesting + * ShapeNotify events. Each client has a resource + * for each window it selects ShapeNotify input for, + * this resource is used to delete the ShapeNotifyRec + * entry from the per-window queue. + */ + +typedef struct _ShapeEvent *ShapeEventPtr; + +typedef struct _ShapeEvent { + ShapeEventPtr next; + ClientPtr client; + WindowPtr window; + XID clientResource; +} ShapeEventRec; + +/**************** + * ShapeExtensionInit + * + * Called from InitExtensions in main() or from QueryExtension() if the + * extension is dynamically loaded. + * + ****************/ + +static int +RegionOperate ( + ClientPtr client, + WindowPtr pWin, + int kind, + RegionPtr *destRgnp, + RegionPtr srcRgn, + int op, + int xoff, int yoff, + CreateDftPtr create) +{ + if (srcRgn && (xoff || yoff)) + RegionTranslate(srcRgn, xoff, yoff); + if (!pWin->parent) + { + if (srcRgn) + RegionDestroy(srcRgn); + return Success; + } + + /* May/30/2001: + * The shape.PS specs say if src is None, existing shape is to be + * removed (and so the op-code has no meaning in such removal); + * see shape.PS, page 3, ShapeMask. + */ + if (srcRgn == NULL) { + if (*destRgnp != NULL) { + RegionDestroy(*destRgnp); + *destRgnp = 0; + /* go on to remove shape and generate ShapeNotify */ + } + else { + /* May/30/2001: + * The target currently has no shape in effect, so nothing to + * do here. The specs say that ShapeNotify is generated whenever + * the client region is "modified"; since no modification is done + * here, we do not generate that event. The specs does not say + * "it is an error to request removal when there is no shape in + * effect", so we return good status. + */ + return Success; + } + } + else switch (op) { + case ShapeSet: + if (*destRgnp) + RegionDestroy(*destRgnp); + *destRgnp = srcRgn; + srcRgn = 0; + break; + case ShapeUnion: + if (*destRgnp) + RegionUnion(*destRgnp, *destRgnp, srcRgn); + break; + case ShapeIntersect: + if (*destRgnp) + RegionIntersect(*destRgnp, *destRgnp, srcRgn); + else { + *destRgnp = srcRgn; + srcRgn = 0; + } + break; + case ShapeSubtract: + if (!*destRgnp) + *destRgnp = (*create)(pWin); + RegionSubtract(*destRgnp, *destRgnp, srcRgn); + break; + case ShapeInvert: + if (!*destRgnp) + *destRgnp = RegionCreate((BoxPtr) 0, 0); + else + RegionSubtract(*destRgnp, srcRgn, *destRgnp); + break; + default: + client->errorValue = op; + return BadValue; + } + if (srcRgn) + RegionDestroy(srcRgn); + (*pWin->drawable.pScreen->SetShape) (pWin, kind); + SendShapeNotify (pWin, kind); + return Success; +} + +RegionPtr +CreateBoundingShape (WindowPtr pWin) +{ + BoxRec extents; + + extents.x1 = -wBorderWidth (pWin); + extents.y1 = -wBorderWidth (pWin); + extents.x2 = pWin->drawable.width + wBorderWidth (pWin); + extents.y2 = pWin->drawable.height + wBorderWidth (pWin); + return RegionCreate(&extents, 1); +} + +RegionPtr +CreateClipShape (WindowPtr pWin) +{ + BoxRec extents; + + extents.x1 = 0; + extents.y1 = 0; + extents.x2 = pWin->drawable.width; + extents.y2 = pWin->drawable.height; + return RegionCreate(&extents, 1); +} + +static int +ProcShapeQueryVersion (ClientPtr client) +{ + xShapeQueryVersionReply rep; + int n; + + REQUEST_SIZE_MATCH (xShapeQueryVersionReq); + memset(&rep, 0, sizeof(xShapeQueryVersionReply)); + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.majorVersion = SERVER_SHAPE_MAJOR_VERSION; + rep.minorVersion = SERVER_SHAPE_MINOR_VERSION; + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swaps(&rep.majorVersion, n); + swaps(&rep.minorVersion, n); + } + WriteToClient(client, sizeof (xShapeQueryVersionReply), (char *)&rep); + return Success; +} + +/***************** + * ProcShapeRectangles + * + *****************/ + +static int +ProcShapeRectangles (ClientPtr client) +{ + WindowPtr pWin; + REQUEST(xShapeRectanglesReq); + xRectangle *prects; + int nrects, ctype, rc; + RegionPtr srcRgn; + RegionPtr *destRgn; + CreateDftPtr createDefault; + + REQUEST_AT_LEAST_SIZE (xShapeRectanglesReq); + UpdateCurrentTime(); + rc = dixLookupWindow(&pWin, stuff->dest, client, DixSetAttrAccess); + if (rc != Success) + return rc; + switch (stuff->destKind) { + case ShapeBounding: + createDefault = CreateBoundingShape; + break; + case ShapeClip: + createDefault = CreateClipShape; + break; + case ShapeInput: + createDefault = CreateBoundingShape; + break; + default: + client->errorValue = stuff->destKind; + return BadValue; + } + if ((stuff->ordering != Unsorted) && (stuff->ordering != YSorted) && + (stuff->ordering != YXSorted) && (stuff->ordering != YXBanded)) + { + client->errorValue = stuff->ordering; + return BadValue; + } + nrects = ((stuff->length << 2) - sizeof(xShapeRectanglesReq)); + if (nrects & 4) + return BadLength; + nrects >>= 3; + prects = (xRectangle *) &stuff[1]; + ctype = VerifyRectOrder(nrects, prects, (int)stuff->ordering); + if (ctype < 0) + return BadMatch; + srcRgn = RegionFromRects(nrects, prects, ctype); + + if (!pWin->optional) + MakeWindowOptional (pWin); + switch (stuff->destKind) { + case ShapeBounding: + destRgn = &pWin->optional->boundingShape; + break; + case ShapeClip: + destRgn = &pWin->optional->clipShape; + break; + case ShapeInput: + destRgn = &pWin->optional->inputShape; + break; + default: + return BadValue; + } + + return RegionOperate (client, pWin, (int)stuff->destKind, + destRgn, srcRgn, (int)stuff->op, + stuff->xOff, stuff->yOff, createDefault); +} + +#ifdef PANORAMIX +static int +ProcPanoramiXShapeRectangles( + ClientPtr client) +{ + REQUEST(xShapeRectanglesReq); + PanoramiXRes *win; + int j, result; + + REQUEST_AT_LEAST_SIZE (xShapeRectanglesReq); + + result = dixLookupResourceByType((pointer *)&win, stuff->dest, XRT_WINDOW, + client, DixWriteAccess); + if (result != Success) + return result; + + FOR_NSCREENS(j) { + stuff->dest = win->info[j].id; + result = ProcShapeRectangles (client); + if (result != Success) break; + } + return result; +} +#endif + + +/************** + * ProcShapeMask + **************/ + + +static int +ProcShapeMask (ClientPtr client) +{ + WindowPtr pWin; + ScreenPtr pScreen; + REQUEST(xShapeMaskReq); + RegionPtr srcRgn; + RegionPtr *destRgn; + PixmapPtr pPixmap; + CreateDftPtr createDefault; + int rc; + + REQUEST_SIZE_MATCH (xShapeMaskReq); + UpdateCurrentTime(); + rc = dixLookupWindow(&pWin, stuff->dest, client, DixSetAttrAccess); + if (rc != Success) + return rc; + switch (stuff->destKind) { + case ShapeBounding: + createDefault = CreateBoundingShape; + break; + case ShapeClip: + createDefault = CreateClipShape; + break; + case ShapeInput: + createDefault = CreateBoundingShape; + break; + default: + client->errorValue = stuff->destKind; + return BadValue; + } + pScreen = pWin->drawable.pScreen; + if (stuff->src == None) + srcRgn = 0; + else { + rc = dixLookupResourceByType((pointer *)&pPixmap, stuff->src, RT_PIXMAP, + client, DixReadAccess); + if (rc != Success) + return rc; + if (pPixmap->drawable.pScreen != pScreen || + pPixmap->drawable.depth != 1) + return BadMatch; + srcRgn = BitmapToRegion(pScreen, pPixmap); + if (!srcRgn) + return BadAlloc; + } + + if (!pWin->optional) + MakeWindowOptional (pWin); + switch (stuff->destKind) { + case ShapeBounding: + destRgn = &pWin->optional->boundingShape; + break; + case ShapeClip: + destRgn = &pWin->optional->clipShape; + break; + case ShapeInput: + destRgn = &pWin->optional->inputShape; + break; + default: + return BadValue; + } + + return RegionOperate (client, pWin, (int)stuff->destKind, + destRgn, srcRgn, (int)stuff->op, + stuff->xOff, stuff->yOff, createDefault); +} + +#ifdef PANORAMIX +static int +ProcPanoramiXShapeMask( + ClientPtr client) +{ + REQUEST(xShapeMaskReq); + PanoramiXRes *win, *pmap; + int j, result; + + REQUEST_SIZE_MATCH (xShapeMaskReq); + + result = dixLookupResourceByType((pointer *)&win, stuff->dest, XRT_WINDOW, + client, DixWriteAccess); + if (result != Success) + return result; + + if(stuff->src != None) { + result = dixLookupResourceByType((pointer *)&pmap, stuff->src, + XRT_PIXMAP, client, DixReadAccess); + if (result != Success) + return result; + } else + pmap = NULL; + + FOR_NSCREENS(j) { + stuff->dest = win->info[j].id; + if(pmap) + stuff->src = pmap->info[j].id; + result = ProcShapeMask (client); + if (result != Success) break; + } + return result; +} +#endif + + +/************ + * ProcShapeCombine + ************/ + +static int +ProcShapeCombine (ClientPtr client) +{ + WindowPtr pSrcWin, pDestWin; + REQUEST(xShapeCombineReq); + RegionPtr srcRgn; + RegionPtr *destRgn; + CreateDftPtr createDefault; + CreateDftPtr createSrc; + RegionPtr tmp; + int rc; + + REQUEST_SIZE_MATCH (xShapeCombineReq); + UpdateCurrentTime(); + rc = dixLookupWindow(&pDestWin, stuff->dest, client, DixSetAttrAccess); + if (rc != Success) + return rc; + if (!pDestWin->optional) + MakeWindowOptional (pDestWin); + switch (stuff->destKind) { + case ShapeBounding: + createDefault = CreateBoundingShape; + break; + case ShapeClip: + createDefault = CreateClipShape; + break; + case ShapeInput: + createDefault = CreateBoundingShape; + break; + default: + client->errorValue = stuff->destKind; + return BadValue; + } + + rc = dixLookupWindow(&pSrcWin, stuff->src, client, DixGetAttrAccess); + if (rc != Success) + return rc; + switch (stuff->srcKind) { + case ShapeBounding: + srcRgn = wBoundingShape (pSrcWin); + createSrc = CreateBoundingShape; + break; + case ShapeClip: + srcRgn = wClipShape (pSrcWin); + createSrc = CreateClipShape; + break; + case ShapeInput: + srcRgn = wInputShape (pSrcWin); + createSrc = CreateBoundingShape; + break; + default: + client->errorValue = stuff->srcKind; + return BadValue; + } + if (pSrcWin->drawable.pScreen != pDestWin->drawable.pScreen) + { + return BadMatch; + } + + if (srcRgn) { + tmp = RegionCreate((BoxPtr) 0, 0); + RegionCopy(tmp, srcRgn); + srcRgn = tmp; + } else + srcRgn = (*createSrc) (pSrcWin); + + if (!pDestWin->optional) + MakeWindowOptional (pDestWin); + switch (stuff->destKind) { + case ShapeBounding: + destRgn = &pDestWin->optional->boundingShape; + break; + case ShapeClip: + destRgn = &pDestWin->optional->clipShape; + break; + case ShapeInput: + destRgn = &pDestWin->optional->inputShape; + break; + default: + return BadValue; + } + + return RegionOperate (client, pDestWin, (int)stuff->destKind, + destRgn, srcRgn, (int)stuff->op, + stuff->xOff, stuff->yOff, createDefault); +} + + +#ifdef PANORAMIX +static int +ProcPanoramiXShapeCombine( + ClientPtr client) +{ + REQUEST(xShapeCombineReq); + PanoramiXRes *win, *win2; + int j, result; + + REQUEST_AT_LEAST_SIZE (xShapeCombineReq); + + result = dixLookupResourceByType((pointer *)&win, stuff->dest, XRT_WINDOW, + client, DixWriteAccess); + if (result != Success) + return result; + + result = dixLookupResourceByType((pointer *)&win2, stuff->src, XRT_WINDOW, + client, DixReadAccess); + if (result != Success) + return result; + + FOR_NSCREENS(j) { + stuff->dest = win->info[j].id; + stuff->src = win2->info[j].id; + result = ProcShapeCombine (client); + if (result != Success) break; + } + return result; +} +#endif + +/************* + * ProcShapeOffset + *************/ + +static int +ProcShapeOffset (ClientPtr client) +{ + WindowPtr pWin; + REQUEST(xShapeOffsetReq); + RegionPtr srcRgn; + int rc; + + REQUEST_SIZE_MATCH (xShapeOffsetReq); + UpdateCurrentTime(); + rc = dixLookupWindow(&pWin, stuff->dest, client, DixSetAttrAccess); + if (rc != Success) + return rc; + switch (stuff->destKind) { + case ShapeBounding: + srcRgn = wBoundingShape (pWin); + break; + case ShapeClip: + srcRgn = wClipShape(pWin); + break; + case ShapeInput: + srcRgn = wInputShape (pWin); + break; + default: + client->errorValue = stuff->destKind; + return BadValue; + } + if (srcRgn) + { + RegionTranslate(srcRgn, stuff->xOff, stuff->yOff); + (*pWin->drawable.pScreen->SetShape) (pWin, stuff->destKind); + } + SendShapeNotify (pWin, (int)stuff->destKind); + return Success; +} + + +#ifdef PANORAMIX +static int +ProcPanoramiXShapeOffset( + ClientPtr client) +{ + REQUEST(xShapeOffsetReq); + PanoramiXRes *win; + int j, result; + + REQUEST_AT_LEAST_SIZE (xShapeOffsetReq); + + result = dixLookupResourceByType((pointer *)&win, stuff->dest, XRT_WINDOW, + client, DixWriteAccess); + if (result != Success) + return result; + + FOR_NSCREENS(j) { + stuff->dest = win->info[j].id; + result = ProcShapeOffset (client); + if(result != Success) break; + } + return result; +} +#endif + + +static int +ProcShapeQueryExtents (ClientPtr client) +{ + REQUEST(xShapeQueryExtentsReq); + WindowPtr pWin; + xShapeQueryExtentsReply rep; + BoxRec extents, *pExtents; + int n, rc; + RegionPtr region; + + REQUEST_SIZE_MATCH (xShapeQueryExtentsReq); + rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); + if (rc != Success) + return rc; + memset(&rep, 0, sizeof(xShapeQueryExtentsReply)); + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.boundingShaped = (wBoundingShape(pWin) != 0); + rep.clipShaped = (wClipShape(pWin) != 0); + if ((region = wBoundingShape(pWin))) { + /* this is done in two steps because of a compiler bug on SunOS 4.1.3 */ + pExtents = RegionExtents(region); + extents = *pExtents; + } else { + extents.x1 = -wBorderWidth (pWin); + extents.y1 = -wBorderWidth (pWin); + extents.x2 = pWin->drawable.width + wBorderWidth (pWin); + extents.y2 = pWin->drawable.height + wBorderWidth (pWin); + } + rep.xBoundingShape = extents.x1; + rep.yBoundingShape = extents.y1; + rep.widthBoundingShape = extents.x2 - extents.x1; + rep.heightBoundingShape = extents.y2 - extents.y1; + if ((region = wClipShape(pWin))) { + /* this is done in two steps because of a compiler bug on SunOS 4.1.3 */ + pExtents = RegionExtents(region); + extents = *pExtents; + } else { + extents.x1 = 0; + extents.y1 = 0; + extents.x2 = pWin->drawable.width; + extents.y2 = pWin->drawable.height; + } + rep.xClipShape = extents.x1; + rep.yClipShape = extents.y1; + rep.widthClipShape = extents.x2 - extents.x1; + rep.heightClipShape = extents.y2 - extents.y1; + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swaps(&rep.xBoundingShape, n); + swaps(&rep.yBoundingShape, n); + swaps(&rep.widthBoundingShape, n); + swaps(&rep.heightBoundingShape, n); + swaps(&rep.xClipShape, n); + swaps(&rep.yClipShape, n); + swaps(&rep.widthClipShape, n); + swaps(&rep.heightClipShape, n); + } + WriteToClient(client, sizeof (xShapeQueryExtentsReply), (char *)&rep); + return Success; +} + +/*ARGSUSED*/ +static int +ShapeFreeClient (pointer data, XID id) +{ + ShapeEventPtr pShapeEvent; + WindowPtr pWin; + ShapeEventPtr *pHead, pCur, pPrev; + int rc; + + pShapeEvent = (ShapeEventPtr) data; + pWin = pShapeEvent->window; + rc = dixLookupResourceByType((pointer *)&pHead, pWin->drawable.id, + ShapeEventType, serverClient, DixReadAccess); + if (rc == Success) { + pPrev = 0; + for (pCur = *pHead; pCur && pCur != pShapeEvent; pCur=pCur->next) + pPrev = pCur; + if (pCur) + { + if (pPrev) + pPrev->next = pShapeEvent->next; + else + *pHead = pShapeEvent->next; + } + } + free((pointer) pShapeEvent); + return 1; +} + +/*ARGSUSED*/ +static int +ShapeFreeEvents (pointer data, XID id) +{ + ShapeEventPtr *pHead, pCur, pNext; + + pHead = (ShapeEventPtr *) data; + for (pCur = *pHead; pCur; pCur = pNext) { + pNext = pCur->next; + FreeResource (pCur->clientResource, ClientType); + free((pointer) pCur); + } + free((pointer) pHead); + return 1; +} + +static int +ProcShapeSelectInput (ClientPtr client) +{ + REQUEST(xShapeSelectInputReq); + WindowPtr pWin; + ShapeEventPtr pShapeEvent, pNewShapeEvent, *pHead; + XID clientResource; + int rc; + + REQUEST_SIZE_MATCH (xShapeSelectInputReq); + rc = dixLookupWindow(&pWin, stuff->window, client, DixReceiveAccess); + if (rc != Success) + return rc; + rc = dixLookupResourceByType((pointer *)&pHead, pWin->drawable.id, + ShapeEventType, client, DixWriteAccess); + if (rc != Success && rc != BadValue) + return rc; + + switch (stuff->enable) { + case xTrue: + if (pHead) { + + /* check for existing entry. */ + for (pShapeEvent = *pHead; + pShapeEvent; + pShapeEvent = pShapeEvent->next) + { + if (pShapeEvent->client == client) + return Success; + } + } + + /* build the entry */ + pNewShapeEvent = malloc(sizeof (ShapeEventRec)); + if (!pNewShapeEvent) + return BadAlloc; + pNewShapeEvent->next = 0; + pNewShapeEvent->client = client; + pNewShapeEvent->window = pWin; + /* + * add a resource that will be deleted when + * the client goes away + */ + clientResource = FakeClientID (client->index); + pNewShapeEvent->clientResource = clientResource; + if (!AddResource (clientResource, ClientType, (pointer)pNewShapeEvent)) + return BadAlloc; + /* + * create a resource to contain a pointer to the list + * of clients selecting input. This must be indirect as + * the list may be arbitrarily rearranged which cannot be + * done through the resource database. + */ + if (!pHead) + { + pHead = malloc(sizeof (ShapeEventPtr)); + if (!pHead || + !AddResource (pWin->drawable.id, ShapeEventType, (pointer)pHead)) + { + FreeResource (clientResource, RT_NONE); + return BadAlloc; + } + *pHead = 0; + } + pNewShapeEvent->next = *pHead; + *pHead = pNewShapeEvent; + break; + case xFalse: + /* delete the interest */ + if (pHead) { + pNewShapeEvent = 0; + for (pShapeEvent = *pHead; pShapeEvent; pShapeEvent = pShapeEvent->next) { + if (pShapeEvent->client == client) + break; + pNewShapeEvent = pShapeEvent; + } + if (pShapeEvent) { + FreeResource (pShapeEvent->clientResource, ClientType); + if (pNewShapeEvent) + pNewShapeEvent->next = pShapeEvent->next; + else + *pHead = pShapeEvent->next; + free(pShapeEvent); + } + } + break; + default: + client->errorValue = stuff->enable; + return BadValue; + } + return Success; +} + +/* + * deliver the event + */ + +void +SendShapeNotify (WindowPtr pWin, int which) +{ + ShapeEventPtr *pHead, pShapeEvent; + xShapeNotifyEvent se; + BoxRec extents; + RegionPtr region; + BYTE shaped; + int rc; + + rc = dixLookupResourceByType((pointer *)&pHead, pWin->drawable.id, + ShapeEventType, serverClient, DixReadAccess); + if (rc != Success) + return; + switch (which) { + case ShapeBounding: + region = wBoundingShape(pWin); + if (region) { + extents = *RegionExtents(region); + shaped = xTrue; + } else { + extents.x1 = -wBorderWidth (pWin); + extents.y1 = -wBorderWidth (pWin); + extents.x2 = pWin->drawable.width + wBorderWidth (pWin); + extents.y2 = pWin->drawable.height + wBorderWidth (pWin); + shaped = xFalse; + } + break; + case ShapeClip: + region = wClipShape(pWin); + if (region) { + extents = *RegionExtents(region); + shaped = xTrue; + } else { + extents.x1 = 0; + extents.y1 = 0; + extents.x2 = pWin->drawable.width; + extents.y2 = pWin->drawable.height; + shaped = xFalse; + } + break; + case ShapeInput: + region = wInputShape(pWin); + if (region) { + extents = *RegionExtents(region); + shaped = xTrue; + } else { + extents.x1 = -wBorderWidth (pWin); + extents.y1 = -wBorderWidth (pWin); + extents.x2 = pWin->drawable.width + wBorderWidth (pWin); + extents.y2 = pWin->drawable.height + wBorderWidth (pWin); + shaped = xFalse; + } + break; + default: + return; + } + for (pShapeEvent = *pHead; pShapeEvent; pShapeEvent = pShapeEvent->next) { + se.type = ShapeNotify + ShapeEventBase; + se.kind = which; + se.window = pWin->drawable.id; + se.x = extents.x1; + se.y = extents.y1; + se.width = extents.x2 - extents.x1; + se.height = extents.y2 - extents.y1; + se.time = currentTime.milliseconds; + se.shaped = shaped; + WriteEventsToClient (pShapeEvent->client, 1, (xEvent *) &se); + } +} + +static int +ProcShapeInputSelected (ClientPtr client) +{ + REQUEST(xShapeInputSelectedReq); + WindowPtr pWin; + ShapeEventPtr pShapeEvent, *pHead; + int enabled, rc; + xShapeInputSelectedReply rep; + int n; + + REQUEST_SIZE_MATCH (xShapeInputSelectedReq); + rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); + if (rc != Success) + return rc; + rc = dixLookupResourceByType((pointer *)&pHead, pWin->drawable.id, + ShapeEventType, client, DixReadAccess); + if (rc != Success && rc != BadValue) + return rc; + enabled = xFalse; + if (pHead) { + for (pShapeEvent = *pHead; + pShapeEvent; + pShapeEvent = pShapeEvent->next) + { + if (pShapeEvent->client == client) { + enabled = xTrue; + break; + } + } + } + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.enabled = enabled; + if (client->swapped) { + swaps (&rep.sequenceNumber, n); + swapl (&rep.length, n); + } + WriteToClient (client, sizeof (xShapeInputSelectedReply), (char *) &rep); + return Success; +} + +static int +ProcShapeGetRectangles (ClientPtr client) +{ + REQUEST(xShapeGetRectanglesReq); + WindowPtr pWin; + xShapeGetRectanglesReply rep; + xRectangle *rects; + int nrects, i, rc; + RegionPtr region; + int n; + + REQUEST_SIZE_MATCH(xShapeGetRectanglesReq); + rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); + if (rc != Success) + return rc; + switch (stuff->kind) { + case ShapeBounding: + region = wBoundingShape(pWin); + break; + case ShapeClip: + region = wClipShape(pWin); + break; + case ShapeInput: + region = wInputShape (pWin); + break; + default: + client->errorValue = stuff->kind; + return BadValue; + } + if (!region) { + nrects = 1; + rects = malloc(sizeof (xRectangle)); + if (!rects) + return BadAlloc; + switch (stuff->kind) { + case ShapeBounding: + rects->x = - (int) wBorderWidth (pWin); + rects->y = - (int) wBorderWidth (pWin); + rects->width = pWin->drawable.width + wBorderWidth (pWin); + rects->height = pWin->drawable.height + wBorderWidth (pWin); + break; + case ShapeClip: + rects->x = 0; + rects->y = 0; + rects->width = pWin->drawable.width; + rects->height = pWin->drawable.height; + break; + case ShapeInput: + rects->x = - (int) wBorderWidth (pWin); + rects->y = - (int) wBorderWidth (pWin); + rects->width = pWin->drawable.width + wBorderWidth (pWin); + rects->height = pWin->drawable.height + wBorderWidth (pWin); + break; + } + } else { + BoxPtr box; + nrects = RegionNumRects(region); + box = RegionRects(region); + rects = malloc(nrects * sizeof (xRectangle)); + if (!rects && nrects) + return BadAlloc; + for (i = 0; i < nrects; i++, box++) { + rects[i].x = box->x1; + rects[i].y = box->y1; + rects[i].width = box->x2 - box->x1; + rects[i].height = box->y2 - box->y1; + } + } + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.length = bytes_to_int32(nrects * sizeof (xRectangle)); + rep.ordering = YXBanded; + rep.nrects = nrects; + if (client->swapped) { + swaps (&rep.sequenceNumber, n); + swapl (&rep.length, n); + swapl (&rep.nrects, n); + SwapShorts ((short *)rects, (unsigned long)nrects * 4); + } + WriteToClient (client, sizeof (rep), (char *) &rep); + WriteToClient (client, nrects * sizeof (xRectangle), (char *) rects); + free(rects); + return Success; +} + +static int +ProcShapeDispatch (ClientPtr client) +{ + REQUEST(xReq); + switch (stuff->data) { + case X_ShapeQueryVersion: + return ProcShapeQueryVersion (client); + case X_ShapeRectangles: +#ifdef PANORAMIX + if ( !noPanoramiXExtension ) + return ProcPanoramiXShapeRectangles (client); + else +#endif + return ProcShapeRectangles (client); + case X_ShapeMask: +#ifdef PANORAMIX + if ( !noPanoramiXExtension ) + return ProcPanoramiXShapeMask (client); + else +#endif + return ProcShapeMask (client); + case X_ShapeCombine: +#ifdef PANORAMIX + if ( !noPanoramiXExtension ) + return ProcPanoramiXShapeCombine (client); + else +#endif + return ProcShapeCombine (client); + case X_ShapeOffset: +#ifdef PANORAMIX + if ( !noPanoramiXExtension ) + return ProcPanoramiXShapeOffset (client); + else +#endif + return ProcShapeOffset (client); + case X_ShapeQueryExtents: + return ProcShapeQueryExtents (client); + case X_ShapeSelectInput: + return ProcShapeSelectInput (client); + case X_ShapeInputSelected: + return ProcShapeInputSelected (client); + case X_ShapeGetRectangles: + return ProcShapeGetRectangles (client); + default: + return BadRequest; + } +} + +static void +SShapeNotifyEvent(xShapeNotifyEvent *from, xShapeNotifyEvent *to) +{ + to->type = from->type; + to->kind = from->kind; + cpswapl (from->window, to->window); + cpswaps (from->sequenceNumber, to->sequenceNumber); + cpswaps (from->x, to->x); + cpswaps (from->y, to->y); + cpswaps (from->width, to->width); + cpswaps (from->height, to->height); + cpswapl (from->time, to->time); + to->shaped = from->shaped; +} + +static int +SProcShapeQueryVersion (ClientPtr client) +{ + int n; + REQUEST (xShapeQueryVersionReq); + + swaps (&stuff->length, n); + return ProcShapeQueryVersion (client); +} + +static int +SProcShapeRectangles (ClientPtr client) +{ + char n; + REQUEST (xShapeRectanglesReq); + + swaps (&stuff->length, n); + REQUEST_AT_LEAST_SIZE (xShapeRectanglesReq); + swapl (&stuff->dest, n); + swaps (&stuff->xOff, n); + swaps (&stuff->yOff, n); + SwapRestS(stuff); + return ProcShapeRectangles (client); +} + +static int +SProcShapeMask (ClientPtr client) +{ + char n; + REQUEST (xShapeMaskReq); + + swaps (&stuff->length, n); + REQUEST_SIZE_MATCH (xShapeMaskReq); + swapl (&stuff->dest, n); + swaps (&stuff->xOff, n); + swaps (&stuff->yOff, n); + swapl (&stuff->src, n); + return ProcShapeMask (client); +} + +static int +SProcShapeCombine (ClientPtr client) +{ + char n; + REQUEST (xShapeCombineReq); + + swaps (&stuff->length, n); + REQUEST_SIZE_MATCH (xShapeCombineReq); + swapl (&stuff->dest, n); + swaps (&stuff->xOff, n); + swaps (&stuff->yOff, n); + swapl (&stuff->src, n); + return ProcShapeCombine (client); +} + +static int +SProcShapeOffset (ClientPtr client) +{ + char n; + REQUEST (xShapeOffsetReq); + + swaps (&stuff->length, n); + REQUEST_SIZE_MATCH (xShapeOffsetReq); + swapl (&stuff->dest, n); + swaps (&stuff->xOff, n); + swaps (&stuff->yOff, n); + return ProcShapeOffset (client); +} + +static int +SProcShapeQueryExtents (ClientPtr client) +{ + char n; + REQUEST (xShapeQueryExtentsReq); + + swaps (&stuff->length, n); + REQUEST_SIZE_MATCH (xShapeQueryExtentsReq); + swapl (&stuff->window, n); + return ProcShapeQueryExtents (client); +} + +static int +SProcShapeSelectInput (ClientPtr client) +{ + char n; + REQUEST (xShapeSelectInputReq); + + swaps (&stuff->length, n); + REQUEST_SIZE_MATCH (xShapeSelectInputReq); + swapl (&stuff->window, n); + return ProcShapeSelectInput (client); +} + +static int +SProcShapeInputSelected (ClientPtr client) +{ + int n; + REQUEST (xShapeInputSelectedReq); + + swaps (&stuff->length, n); + REQUEST_SIZE_MATCH (xShapeInputSelectedReq); + swapl (&stuff->window, n); + return ProcShapeInputSelected (client); +} + +static int +SProcShapeGetRectangles (ClientPtr client) +{ + REQUEST(xShapeGetRectanglesReq); + char n; + + swaps (&stuff->length, n); + REQUEST_SIZE_MATCH(xShapeGetRectanglesReq); + swapl (&stuff->window, n); + return ProcShapeGetRectangles (client); +} + +static int +SProcShapeDispatch (ClientPtr client) +{ + REQUEST(xReq); + switch (stuff->data) { + case X_ShapeQueryVersion: + return SProcShapeQueryVersion (client); + case X_ShapeRectangles: + return SProcShapeRectangles (client); + case X_ShapeMask: + return SProcShapeMask (client); + case X_ShapeCombine: + return SProcShapeCombine (client); + case X_ShapeOffset: + return SProcShapeOffset (client); + case X_ShapeQueryExtents: + return SProcShapeQueryExtents (client); + case X_ShapeSelectInput: + return SProcShapeSelectInput (client); + case X_ShapeInputSelected: + return SProcShapeInputSelected (client); + case X_ShapeGetRectangles: + return SProcShapeGetRectangles (client); + default: + return BadRequest; + } +} + +void +ShapeExtensionInit(void) +{ + ExtensionEntry *extEntry; + + ClientType = CreateNewResourceType(ShapeFreeClient, "ShapeClient"); + ShapeEventType = CreateNewResourceType(ShapeFreeEvents, "ShapeEvent"); + if (ClientType && ShapeEventType && + (extEntry = AddExtension(SHAPENAME, ShapeNumberEvents, 0, + ProcShapeDispatch, SProcShapeDispatch, + NULL, StandardMinorOpcode))) + { + ShapeEventBase = extEntry->eventBase; + EventSwapVector[ShapeEventBase] = (EventSwapPtr) SShapeNotifyEvent; + } +} diff --git a/Xext/shm.c b/Xext/shm.c new file mode 100644 index 0000000..23afe6b --- /dev/null +++ b/Xext/shm.c @@ -0,0 +1,1327 @@ +/************************************************************ + +Copyright 1989, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + +********************************************************/ + +/* THIS IS NOT AN X CONSORTIUM STANDARD OR AN X PROJECT TEAM SPECIFICATION */ + + +#define SHM + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include <sys/types.h> +#include <sys/ipc.h> +#include <sys/shm.h> +#include <unistd.h> +#include <sys/stat.h> +#include <X11/X.h> +#include <X11/Xproto.h> +#include "misc.h" +#include "os.h" +#include "dixstruct.h" +#include "resource.h" +#include "scrnintstr.h" +#include "windowstr.h" +#include "pixmapstr.h" +#include "gcstruct.h" +#include "extnsionst.h" +#include "servermd.h" +#include "shmint.h" +#include "xace.h" +#include <X11/extensions/shmproto.h> +#include <X11/Xfuncproto.h> +#include "protocol-versions.h" + +/* Needed for Solaris cross-zone shared memory extension */ +#ifdef HAVE_SHMCTL64 +#include <sys/ipc_impl.h> +#define SHMSTAT(id, buf) shmctl64(id, IPC_STAT64, buf) +#define SHMSTAT_TYPE struct shmid_ds64 +#define SHMPERM_TYPE struct ipc_perm64 +#define SHM_PERM(buf) buf.shmx_perm +#define SHM_SEGSZ(buf) buf.shmx_segsz +#define SHMPERM_UID(p) p->ipcx_uid +#define SHMPERM_CUID(p) p->ipcx_cuid +#define SHMPERM_GID(p) p->ipcx_gid +#define SHMPERM_CGID(p) p->ipcx_cgid +#define SHMPERM_MODE(p) p->ipcx_mode +#define SHMPERM_ZONEID(p) p->ipcx_zoneid +#else +#define SHMSTAT(id, buf) shmctl(id, IPC_STAT, buf) +#define SHMSTAT_TYPE struct shmid_ds +#define SHMPERM_TYPE struct ipc_perm +#define SHM_PERM(buf) buf.shm_perm +#define SHM_SEGSZ(buf) buf.shm_segsz +#define SHMPERM_UID(p) p->uid +#define SHMPERM_CUID(p) p->cuid +#define SHMPERM_GID(p) p->gid +#define SHMPERM_CGID(p) p->cgid +#define SHMPERM_MODE(p) p->mode +#endif + +#ifdef PANORAMIX +#include "panoramiX.h" +#include "panoramiXsrv.h" +#endif + +#include "modinit.h" + +typedef struct _ShmDesc { + struct _ShmDesc *next; + int shmid; + int refcnt; + char *addr; + Bool writable; + unsigned long size; +} ShmDescRec, *ShmDescPtr; + +typedef struct _ShmScrPrivateRec { + CloseScreenProcPtr CloseScreen; + ShmFuncsPtr shmFuncs; + DestroyPixmapProcPtr destroyPixmap; +} ShmScrPrivateRec; + +static PixmapPtr fbShmCreatePixmap(XSHM_CREATE_PIXMAP_ARGS); +static int ShmDetachSegment( + pointer /* value */, + XID /* shmseg */ + ); +static void ShmResetProc( + ExtensionEntry * /* extEntry */ + ); +static void SShmCompletionEvent( + xShmCompletionEvent * /* from */, + xShmCompletionEvent * /* to */ + ); + +static Bool ShmDestroyPixmap (PixmapPtr pPixmap); + + +static unsigned char ShmReqCode; +int ShmCompletionCode; +int BadShmSegCode; +RESTYPE ShmSegType; +static ShmDescPtr Shmsegs; +static Bool sharedPixmaps; +static DevPrivateKeyRec shmScrPrivateKeyRec; +#define shmScrPrivateKey (&shmScrPrivateKeyRec) +static DevPrivateKeyRec shmPixmapPrivateKeyRec; +#define shmPixmapPrivateKey (&shmPixmapPrivateKeyRec) +static ShmFuncs miFuncs = {NULL, NULL}; +static ShmFuncs fbFuncs = {fbShmCreatePixmap, NULL}; + +#define ShmGetScreenPriv(s) ((ShmScrPrivateRec *)dixLookupPrivate(&(s)->devPrivates, shmScrPrivateKey)) + +#define VERIFY_SHMSEG(shmseg,shmdesc,client) \ +{ \ + int rc; \ + rc = dixLookupResourceByType((pointer *)&(shmdesc), shmseg, ShmSegType, \ + client, DixReadAccess); \ + if (rc != Success) \ + return rc; \ +} + +#define VERIFY_SHMPTR(shmseg,offset,needwrite,shmdesc,client) \ +{ \ + VERIFY_SHMSEG(shmseg, shmdesc, client); \ + if ((offset & 3) || (offset > shmdesc->size)) \ + { \ + client->errorValue = offset; \ + return BadValue; \ + } \ + if (needwrite && !shmdesc->writable) \ + return BadAccess; \ +} + +#define VERIFY_SHMSIZE(shmdesc,offset,len,client) \ +{ \ + if ((offset + len) > shmdesc->size) \ + { \ + return BadAccess; \ + } \ +} + + +#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__CYGWIN__) || defined(__DragonFly__) +#include <sys/signal.h> + +static Bool badSysCall = FALSE; + +static void +SigSysHandler(int signo) +{ + badSysCall = TRUE; +} + +static Bool CheckForShmSyscall(void) +{ + void (*oldHandler)(); + int shmid = -1; + + /* If no SHM support in the kernel, the bad syscall will generate SIGSYS */ + oldHandler = signal(SIGSYS, SigSysHandler); + + badSysCall = FALSE; + shmid = shmget(IPC_PRIVATE, 4096, IPC_CREAT); + + if (shmid != -1) + { + /* Successful allocation - clean up */ + shmctl(shmid, IPC_RMID, NULL); + } + else + { + /* Allocation failed */ + badSysCall = TRUE; + } + signal(SIGSYS, oldHandler); + return !badSysCall; +} + +#define MUST_CHECK_FOR_SHM_SYSCALL + +#endif + +static Bool +ShmCloseScreen(int i, ScreenPtr pScreen) +{ + ShmScrPrivateRec *screen_priv = ShmGetScreenPriv(pScreen); + pScreen->CloseScreen = screen_priv->CloseScreen; + dixSetPrivate(&pScreen->devPrivates, shmScrPrivateKey, NULL); + free(screen_priv); + return (*pScreen->CloseScreen) (i, pScreen); +} + +static ShmScrPrivateRec * +ShmInitScreenPriv(ScreenPtr pScreen) +{ + ShmScrPrivateRec *screen_priv = ShmGetScreenPriv(pScreen); + if (!screen_priv) + { + screen_priv = calloc(1, sizeof (ShmScrPrivateRec)); + screen_priv->CloseScreen = pScreen->CloseScreen; + dixSetPrivate(&pScreen->devPrivates, shmScrPrivateKey, screen_priv); + pScreen->CloseScreen = ShmCloseScreen; + } + return screen_priv; +} + +static Bool +ShmRegisterPrivates(void) +{ + if (!dixRegisterPrivateKey(&shmScrPrivateKeyRec, PRIVATE_SCREEN, 0)) + return FALSE; + if (!dixRegisterPrivateKey(&shmPixmapPrivateKeyRec, PRIVATE_PIXMAP, 0)) + return FALSE; + return TRUE; +} + +/*ARGSUSED*/ +static void +ShmResetProc(ExtensionEntry *extEntry) +{ + int i; + for (i = 0; i < screenInfo.numScreens; i++) + ShmRegisterFuncs(screenInfo.screens[i], NULL); +} + +void +ShmRegisterFuncs(ScreenPtr pScreen, ShmFuncsPtr funcs) +{ + if (!ShmRegisterPrivates()) + return; + ShmInitScreenPriv(pScreen)->shmFuncs = funcs; +} + +static Bool +ShmDestroyPixmap (PixmapPtr pPixmap) +{ + ScreenPtr pScreen = pPixmap->drawable.pScreen; + ShmScrPrivateRec *screen_priv = ShmGetScreenPriv(pScreen); + Bool ret; + if (pPixmap->refcnt == 1) + { + ShmDescPtr shmdesc; + shmdesc = (ShmDescPtr)dixLookupPrivate(&pPixmap->devPrivates, + shmPixmapPrivateKey); + if (shmdesc) + ShmDetachSegment ((pointer) shmdesc, pPixmap->drawable.id); + } + + pScreen->DestroyPixmap = screen_priv->destroyPixmap; + ret = (*pScreen->DestroyPixmap) (pPixmap); + screen_priv->destroyPixmap = pScreen->DestroyPixmap; + pScreen->DestroyPixmap = ShmDestroyPixmap; + return ret; +} + +void +ShmRegisterFbFuncs(ScreenPtr pScreen) +{ + ShmRegisterFuncs(pScreen, &fbFuncs); +} + +static int +ProcShmQueryVersion(ClientPtr client) +{ + xShmQueryVersionReply rep; + int n; + + REQUEST_SIZE_MATCH(xShmQueryVersionReq); + memset(&rep, 0, sizeof(xShmQueryVersionReply)); + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.sharedPixmaps = sharedPixmaps; + rep.pixmapFormat = sharedPixmaps ? ZPixmap : 0; + rep.majorVersion = SERVER_SHM_MAJOR_VERSION; + rep.minorVersion = SERVER_SHM_MINOR_VERSION; + rep.uid = geteuid(); + rep.gid = getegid(); + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swaps(&rep.majorVersion, n); + swaps(&rep.minorVersion, n); + swaps(&rep.uid, n); + swaps(&rep.gid, n); + } + WriteToClient(client, sizeof(xShmQueryVersionReply), (char *)&rep); + return Success; +} + +/* + * Simulate the access() system call for a shared memory segement, + * using the credentials from the client if available + */ +static int +shm_access(ClientPtr client, SHMPERM_TYPE *perm, int readonly) +{ + int uid, gid; + mode_t mask; + int uidset = 0, gidset = 0; + LocalClientCredRec *lcc; + + if (GetLocalClientCreds(client, &lcc) != -1) { + + if (lcc->fieldsSet & LCC_UID_SET) { + uid = lcc->euid; + uidset = 1; + } + if (lcc->fieldsSet & LCC_GID_SET) { + gid = lcc->egid; + gidset = 1; + } + +#if defined(HAVE_GETZONEID) && defined(SHMPERM_ZONEID) + if ( ((lcc->fieldsSet & LCC_ZID_SET) == 0) || (lcc->zoneid == -1) + || (lcc->zoneid != SHMPERM_ZONEID(perm))) { + uidset = 0; + gidset = 0; + } +#endif + FreeLocalClientCreds(lcc); + + if (uidset) { + /* User id 0 always gets access */ + if (uid == 0) { + return 0; + } + /* Check the owner */ + if (SHMPERM_UID(perm) == uid || SHMPERM_CUID(perm) == uid) { + mask = S_IRUSR; + if (!readonly) { + mask |= S_IWUSR; + } + return (SHMPERM_MODE(perm) & mask) == mask ? 0 : -1; + } + } + + if (gidset) { + /* Check the group */ + if (SHMPERM_GID(perm) == gid || SHMPERM_CGID(perm) == gid) { + mask = S_IRGRP; + if (!readonly) { + mask |= S_IWGRP; + } + return (SHMPERM_MODE(perm) & mask) == mask ? 0 : -1; + } + } + } + /* Otherwise, check everyone else */ + mask = S_IROTH; + if (!readonly) { + mask |= S_IWOTH; + } + return (SHMPERM_MODE(perm) & mask) == mask ? 0 : -1; +} + +static int +ProcShmAttach(ClientPtr client) +{ + SHMSTAT_TYPE buf; + ShmDescPtr shmdesc; + REQUEST(xShmAttachReq); + + REQUEST_SIZE_MATCH(xShmAttachReq); + LEGAL_NEW_RESOURCE(stuff->shmseg, client); + if ((stuff->readOnly != xTrue) && (stuff->readOnly != xFalse)) + { + client->errorValue = stuff->readOnly; + return BadValue; + } + for (shmdesc = Shmsegs; + shmdesc && (shmdesc->shmid != stuff->shmid); + shmdesc = shmdesc->next) + ; + if (shmdesc) + { + if (!stuff->readOnly && !shmdesc->writable) + return BadAccess; + shmdesc->refcnt++; + } + else + { + shmdesc = malloc(sizeof(ShmDescRec)); + if (!shmdesc) + return BadAlloc; + shmdesc->addr = shmat(stuff->shmid, 0, + stuff->readOnly ? SHM_RDONLY : 0); + if ((shmdesc->addr == ((char *)-1)) || + SHMSTAT(stuff->shmid, &buf)) + { + free(shmdesc); + return BadAccess; + } + + /* The attach was performed with root privs. We must + * do manual checking of access rights for the credentials + * of the client */ + + if (shm_access(client, &(SHM_PERM(buf)), stuff->readOnly) == -1) { + shmdt(shmdesc->addr); + free(shmdesc); + return BadAccess; + } + + shmdesc->shmid = stuff->shmid; + shmdesc->refcnt = 1; + shmdesc->writable = !stuff->readOnly; + shmdesc->size = SHM_SEGSZ(buf); + shmdesc->next = Shmsegs; + Shmsegs = shmdesc; + } + if (!AddResource(stuff->shmseg, ShmSegType, (pointer)shmdesc)) + return BadAlloc; + return Success; +} + +/*ARGSUSED*/ +static int +ShmDetachSegment(pointer value, /* must conform to DeleteType */ + XID shmseg) +{ + ShmDescPtr shmdesc = (ShmDescPtr)value; + ShmDescPtr *prev; + + if (--shmdesc->refcnt) + return TRUE; + shmdt(shmdesc->addr); + for (prev = &Shmsegs; *prev != shmdesc; prev = &(*prev)->next) + ; + *prev = shmdesc->next; + free(shmdesc); + return Success; +} + +static int +ProcShmDetach(ClientPtr client) +{ + ShmDescPtr shmdesc; + REQUEST(xShmDetachReq); + + REQUEST_SIZE_MATCH(xShmDetachReq); + VERIFY_SHMSEG(stuff->shmseg, shmdesc, client); + FreeResource(stuff->shmseg, RT_NONE); + return Success; +} + +/* + * If the given request doesn't exactly match PutImage's constraints, + * wrap the image in a scratch pixmap header and let CopyArea sort it out. + */ +static void +doShmPutImage(DrawablePtr dst, GCPtr pGC, + int depth, unsigned int format, + int w, int h, int sx, int sy, int sw, int sh, int dx, int dy, + char *data) +{ + PixmapPtr pPixmap; + + if (format == ZPixmap || depth == 1) { + pPixmap = GetScratchPixmapHeader(dst->pScreen, w, h, depth, + BitsPerPixel(depth), + PixmapBytePad(w, depth), + data); + if (!pPixmap) + return; + pGC->ops->CopyArea((DrawablePtr)pPixmap, dst, pGC, sx, sy, sw, sh, dx, dy); + FreeScratchPixmapHeader(pPixmap); + } else { + GCPtr putGC = GetScratchGC(depth, dst->pScreen); + + if (!putGC) + return; + + pPixmap = (*dst->pScreen->CreatePixmap)(dst->pScreen, sw, sh, depth, + CREATE_PIXMAP_USAGE_SCRATCH); + if (!pPixmap) { + FreeScratchGC(putGC); + return; + } + ValidateGC(&pPixmap->drawable, putGC); + (*putGC->ops->PutImage)(&pPixmap->drawable, putGC, depth, -sx, -sy, w, h, 0, + (format == XYPixmap) ? XYPixmap : ZPixmap, data); + FreeScratchGC(putGC); + if (format == XYBitmap) + (void)(*pGC->ops->CopyPlane)(&pPixmap->drawable, dst, pGC, 0, 0, sw, sh, + dx, dy, 1L); + else + (void)(*pGC->ops->CopyArea)(&pPixmap->drawable, dst, pGC, 0, 0, sw, sh, + dx, dy); + (*pPixmap->drawable.pScreen->DestroyPixmap)(pPixmap); + } +} + +static int +ProcShmPutImage(ClientPtr client) +{ + GCPtr pGC; + DrawablePtr pDraw; + long length; + ShmDescPtr shmdesc; + REQUEST(xShmPutImageReq); + + REQUEST_SIZE_MATCH(xShmPutImageReq); + VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); + VERIFY_SHMPTR(stuff->shmseg, stuff->offset, FALSE, shmdesc, client); + if ((stuff->sendEvent != xTrue) && (stuff->sendEvent != xFalse)) + return BadValue; + if (stuff->format == XYBitmap) + { + if (stuff->depth != 1) + return BadMatch; + length = PixmapBytePad(stuff->totalWidth, 1); + } + else if (stuff->format == XYPixmap) + { + if (pDraw->depth != stuff->depth) + return BadMatch; + length = PixmapBytePad(stuff->totalWidth, 1); + length *= stuff->depth; + } + else if (stuff->format == ZPixmap) + { + if (pDraw->depth != stuff->depth) + return BadMatch; + length = PixmapBytePad(stuff->totalWidth, stuff->depth); + } + else + { + client->errorValue = stuff->format; + return BadValue; + } + + /* + * There's a potential integer overflow in this check: + * VERIFY_SHMSIZE(shmdesc, stuff->offset, length * stuff->totalHeight, + * client); + * the version below ought to avoid it + */ + if (stuff->totalHeight != 0 && + length > (shmdesc->size - stuff->offset)/stuff->totalHeight) { + client->errorValue = stuff->totalWidth; + return BadValue; + } + if (stuff->srcX > stuff->totalWidth) + { + client->errorValue = stuff->srcX; + return BadValue; + } + if (stuff->srcY > stuff->totalHeight) + { + client->errorValue = stuff->srcY; + return BadValue; + } + if ((stuff->srcX + stuff->srcWidth) > stuff->totalWidth) + { + client->errorValue = stuff->srcWidth; + return BadValue; + } + if ((stuff->srcY + stuff->srcHeight) > stuff->totalHeight) + { + client->errorValue = stuff->srcHeight; + return BadValue; + } + + if ((((stuff->format == ZPixmap) && (stuff->srcX == 0)) || + ((stuff->format != ZPixmap) && + (stuff->srcX < screenInfo.bitmapScanlinePad) && + ((stuff->format == XYBitmap) || + ((stuff->srcY == 0) && + (stuff->srcHeight == stuff->totalHeight))))) && + ((stuff->srcX + stuff->srcWidth) == stuff->totalWidth)) + (*pGC->ops->PutImage) (pDraw, pGC, stuff->depth, + stuff->dstX, stuff->dstY, + stuff->totalWidth, stuff->srcHeight, + stuff->srcX, stuff->format, + shmdesc->addr + stuff->offset + + (stuff->srcY * length)); + else + doShmPutImage(pDraw, pGC, stuff->depth, stuff->format, + stuff->totalWidth, stuff->totalHeight, + stuff->srcX, stuff->srcY, + stuff->srcWidth, stuff->srcHeight, + stuff->dstX, stuff->dstY, + shmdesc->addr + stuff->offset); + + if (stuff->sendEvent) + { + xShmCompletionEvent ev; + + ev.type = ShmCompletionCode; + ev.drawable = stuff->drawable; + ev.minorEvent = X_ShmPutImage; + ev.majorEvent = ShmReqCode; + ev.shmseg = stuff->shmseg; + ev.offset = stuff->offset; + WriteEventsToClient(client, 1, (xEvent *) &ev); + } + + return Success; +} + +static int +ProcShmGetImage(ClientPtr client) +{ + DrawablePtr pDraw; + long lenPer = 0, length; + Mask plane = 0; + xShmGetImageReply xgi; + ShmDescPtr shmdesc; + int n, rc; + + REQUEST(xShmGetImageReq); + + REQUEST_SIZE_MATCH(xShmGetImageReq); + if ((stuff->format != XYPixmap) && (stuff->format != ZPixmap)) + { + client->errorValue = stuff->format; + return BadValue; + } + rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0, + DixReadAccess); + if (rc != Success) + return rc; + VERIFY_SHMPTR(stuff->shmseg, stuff->offset, TRUE, shmdesc, client); + if (pDraw->type == DRAWABLE_WINDOW) + { + if( /* check for being viewable */ + !((WindowPtr) pDraw)->realized || + /* check for being on screen */ + pDraw->x + stuff->x < 0 || + pDraw->x + stuff->x + (int)stuff->width > pDraw->pScreen->width || + pDraw->y + stuff->y < 0 || + pDraw->y + stuff->y + (int)stuff->height > pDraw->pScreen->height || + /* check for being inside of border */ + stuff->x < - wBorderWidth((WindowPtr)pDraw) || + stuff->x + (int)stuff->width > + wBorderWidth((WindowPtr)pDraw) + (int)pDraw->width || + stuff->y < -wBorderWidth((WindowPtr)pDraw) || + stuff->y + (int)stuff->height > + wBorderWidth((WindowPtr)pDraw) + (int)pDraw->height + ) + return BadMatch; + xgi.visual = wVisual(((WindowPtr)pDraw)); + } + else + { + if (stuff->x < 0 || + stuff->x+(int)stuff->width > pDraw->width || + stuff->y < 0 || + stuff->y+(int)stuff->height > pDraw->height + ) + return BadMatch; + xgi.visual = None; + } + xgi.type = X_Reply; + xgi.length = 0; + xgi.sequenceNumber = client->sequence; + xgi.depth = pDraw->depth; + if(stuff->format == ZPixmap) + { + length = PixmapBytePad(stuff->width, pDraw->depth) * stuff->height; + } + else + { + lenPer = PixmapBytePad(stuff->width, 1) * stuff->height; + plane = ((Mask)1) << (pDraw->depth - 1); + /* only planes asked for */ + length = lenPer * Ones(stuff->planeMask & (plane | (plane - 1))); + } + + VERIFY_SHMSIZE(shmdesc, stuff->offset, length, client); + xgi.size = length; + + if (length == 0) + { + /* nothing to do */ + } + else if (stuff->format == ZPixmap) + { + (*pDraw->pScreen->GetImage)(pDraw, stuff->x, stuff->y, + stuff->width, stuff->height, + stuff->format, stuff->planeMask, + shmdesc->addr + stuff->offset); + } + else + { + + length = stuff->offset; + for (; plane; plane >>= 1) + { + if (stuff->planeMask & plane) + { + (*pDraw->pScreen->GetImage)(pDraw, + stuff->x, stuff->y, + stuff->width, stuff->height, + stuff->format, plane, + shmdesc->addr + length); + length += lenPer; + } + } + } + + if (client->swapped) { + swaps(&xgi.sequenceNumber, n); + swapl(&xgi.length, n); + swapl(&xgi.visual, n); + swapl(&xgi.size, n); + } + WriteToClient(client, sizeof(xShmGetImageReply), (char *)&xgi); + + return Success; +} + +#ifdef PANORAMIX +static int +ProcPanoramiXShmPutImage(ClientPtr client) +{ + int j, result, orig_x, orig_y; + PanoramiXRes *draw, *gc; + Bool sendEvent, isRoot; + + REQUEST(xShmPutImageReq); + REQUEST_SIZE_MATCH(xShmPutImageReq); + + result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + result = dixLookupResourceByType((pointer *)&gc, stuff->gc, + XRT_GC, client, DixReadAccess); + if (result != Success) + return result; + + isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root; + + orig_x = stuff->dstX; + orig_y = stuff->dstY; + sendEvent = stuff->sendEvent; + stuff->sendEvent = 0; + FOR_NSCREENS(j) { + if(!j) stuff->sendEvent = sendEvent; + stuff->drawable = draw->info[j].id; + stuff->gc = gc->info[j].id; + if (isRoot) { + stuff->dstX = orig_x - screenInfo.screens[j]->x; + stuff->dstY = orig_y - screenInfo.screens[j]->y; + } + result = ProcShmPutImage(client); + if(result != Success) break; + } + return result; +} + +static int +ProcPanoramiXShmGetImage(ClientPtr client) +{ + PanoramiXRes *draw; + DrawablePtr *drawables; + DrawablePtr pDraw; + xShmGetImageReply xgi; + ShmDescPtr shmdesc; + int i, x, y, w, h, format, rc; + Mask plane = 0, planemask; + long lenPer = 0, length, widthBytesLine; + Bool isRoot; + + REQUEST(xShmGetImageReq); + + REQUEST_SIZE_MATCH(xShmGetImageReq); + + if ((stuff->format != XYPixmap) && (stuff->format != ZPixmap)) { + client->errorValue = stuff->format; + return BadValue; + } + + rc = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (rc != Success) + return (rc == BadValue) ? BadDrawable : rc; + + if (draw->type == XRT_PIXMAP) + return ProcShmGetImage(client); + + rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0, + DixReadAccess); + if (rc != Success) + return rc; + + VERIFY_SHMPTR(stuff->shmseg, stuff->offset, TRUE, shmdesc, client); + + x = stuff->x; + y = stuff->y; + w = stuff->width; + h = stuff->height; + format = stuff->format; + planemask = stuff->planeMask; + + isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root; + + if(isRoot) { + if( /* check for being onscreen */ + x < 0 || x + w > PanoramiXPixWidth || + y < 0 || y + h > PanoramiXPixHeight ) + return BadMatch; + } else { + if( /* check for being onscreen */ + screenInfo.screens[0]->x + pDraw->x + x < 0 || + screenInfo.screens[0]->x + pDraw->x + x + w > PanoramiXPixWidth || + screenInfo.screens[0]->y + pDraw->y + y < 0 || + screenInfo.screens[0]->y + pDraw->y + y + h > PanoramiXPixHeight || + /* check for being inside of border */ + x < - wBorderWidth((WindowPtr)pDraw) || + x + w > wBorderWidth((WindowPtr)pDraw) + (int)pDraw->width || + y < -wBorderWidth((WindowPtr)pDraw) || + y + h > wBorderWidth ((WindowPtr)pDraw) + (int)pDraw->height) + return BadMatch; + } + + drawables = calloc(PanoramiXNumScreens, sizeof(DrawablePtr)); + if(!drawables) + return BadAlloc; + + drawables[0] = pDraw; + for(i = 1; i < PanoramiXNumScreens; i++) { + rc = dixLookupDrawable(drawables+i, draw->info[i].id, client, 0, + DixReadAccess); + if (rc != Success) + { + free(drawables); + return rc; + } + } + + xgi.visual = wVisual(((WindowPtr)pDraw)); + xgi.type = X_Reply; + xgi.length = 0; + xgi.sequenceNumber = client->sequence; + xgi.depth = pDraw->depth; + + if(format == ZPixmap) { + widthBytesLine = PixmapBytePad(w, pDraw->depth); + length = widthBytesLine * h; + } else { + widthBytesLine = PixmapBytePad(w, 1); + lenPer = widthBytesLine * h; + plane = ((Mask)1) << (pDraw->depth - 1); + length = lenPer * Ones(planemask & (plane | (plane - 1))); + } + + VERIFY_SHMSIZE(shmdesc, stuff->offset, length, client); + xgi.size = length; + + if (length == 0) {/* nothing to do */ } + else if (format == ZPixmap) { + XineramaGetImageData(drawables, x, y, w, h, format, planemask, + shmdesc->addr + stuff->offset, + widthBytesLine, isRoot); + } else { + + length = stuff->offset; + for (; plane; plane >>= 1) { + if (planemask & plane) { + XineramaGetImageData(drawables, x, y, w, h, + format, plane, shmdesc->addr + length, + widthBytesLine, isRoot); + length += lenPer; + } + } + } + free(drawables); + + if (client->swapped) { + int n; + swaps(&xgi.sequenceNumber, n); + swapl(&xgi.length, n); + swapl(&xgi.visual, n); + swapl(&xgi.size, n); + } + WriteToClient(client, sizeof(xShmGetImageReply), (char *)&xgi); + + return Success; +} + +static int +ProcPanoramiXShmCreatePixmap(ClientPtr client) +{ + ScreenPtr pScreen = NULL; + PixmapPtr pMap = NULL; + DrawablePtr pDraw; + DepthPtr pDepth; + int i, j, result, rc; + ShmDescPtr shmdesc; + REQUEST(xShmCreatePixmapReq); + unsigned int width, height, depth; + unsigned long size; + PanoramiXRes *newPix; + + REQUEST_SIZE_MATCH(xShmCreatePixmapReq); + client->errorValue = stuff->pid; + if (!sharedPixmaps) + return BadImplementation; + LEGAL_NEW_RESOURCE(stuff->pid, client); + rc = dixLookupDrawable(&pDraw, stuff->drawable, client, M_ANY, + DixGetAttrAccess); + if (rc != Success) + return rc; + + VERIFY_SHMPTR(stuff->shmseg, stuff->offset, TRUE, shmdesc, client); + + width = stuff->width; + height = stuff->height; + depth = stuff->depth; + if (!width || !height || !depth) + { + client->errorValue = 0; + return BadValue; + } + if (width > 32767 || height > 32767) + return BadAlloc; + + if (stuff->depth != 1) + { + pDepth = pDraw->pScreen->allowedDepths; + for (i=0; i<pDraw->pScreen->numDepths; i++, pDepth++) + if (pDepth->depth == stuff->depth) + goto CreatePmap; + client->errorValue = stuff->depth; + return BadValue; + } + +CreatePmap: + size = PixmapBytePad(width, depth) * height; + if (sizeof(size) == 4 && BitsPerPixel(depth) > 8) { + if (size < width * height) + return BadAlloc; + } + /* thankfully, offset is unsigned */ + if (stuff->offset + size < size) + return BadAlloc; + + VERIFY_SHMSIZE(shmdesc, stuff->offset, size, client); + + if(!(newPix = malloc(sizeof(PanoramiXRes)))) + return BadAlloc; + + newPix->type = XRT_PIXMAP; + newPix->u.pix.shared = TRUE; + newPix->info[0].id = stuff->pid; + for(j = 1; j < PanoramiXNumScreens; j++) + newPix->info[j].id = FakeClientID(client->index); + + result = Success; + + FOR_NSCREENS(j) { + ShmScrPrivateRec *screen_priv; + pScreen = screenInfo.screens[j]; + + screen_priv = ShmGetScreenPriv(pScreen); + pMap = (*screen_priv->shmFuncs->CreatePixmap)(pScreen, + stuff->width, stuff->height, stuff->depth, + shmdesc->addr + stuff->offset); + + if (pMap) { + dixSetPrivate(&pMap->devPrivates, shmPixmapPrivateKey, shmdesc); + shmdesc->refcnt++; + pMap->drawable.serialNumber = NEXT_SERIAL_NUMBER; + pMap->drawable.id = newPix->info[j].id; + if (!AddResource(newPix->info[j].id, RT_PIXMAP, (pointer)pMap)) { + (*pScreen->DestroyPixmap)(pMap); + result = BadAlloc; + break; + } + } else { + result = BadAlloc; + break; + } + } + + if(result == BadAlloc) { + while(j--) { + (*pScreen->DestroyPixmap)(pMap); + FreeResource(newPix->info[j].id, RT_NONE); + } + free(newPix); + } else + AddResource(stuff->pid, XRT_PIXMAP, newPix); + + return result; +} +#endif + +static PixmapPtr +fbShmCreatePixmap (ScreenPtr pScreen, + int width, int height, int depth, char *addr) +{ + PixmapPtr pPixmap; + + pPixmap = (*pScreen->CreatePixmap)(pScreen, 0, 0, pScreen->rootDepth, 0); + if (!pPixmap) + return NullPixmap; + + if (!(*pScreen->ModifyPixmapHeader)(pPixmap, width, height, depth, + BitsPerPixel(depth), PixmapBytePad(width, depth), (pointer)addr)) { + (*pScreen->DestroyPixmap)(pPixmap); + return NullPixmap; + } + return pPixmap; +} + +static int +ProcShmCreatePixmap(ClientPtr client) +{ + PixmapPtr pMap; + DrawablePtr pDraw; + DepthPtr pDepth; + int i, rc; + ShmDescPtr shmdesc; + ShmScrPrivateRec *screen_priv; + REQUEST(xShmCreatePixmapReq); + unsigned int width, height, depth; + unsigned long size; + + REQUEST_SIZE_MATCH(xShmCreatePixmapReq); + client->errorValue = stuff->pid; + if (!sharedPixmaps) + return BadImplementation; + LEGAL_NEW_RESOURCE(stuff->pid, client); + rc = dixLookupDrawable(&pDraw, stuff->drawable, client, M_ANY, + DixGetAttrAccess); + if (rc != Success) + return rc; + + VERIFY_SHMPTR(stuff->shmseg, stuff->offset, TRUE, shmdesc, client); + + width = stuff->width; + height = stuff->height; + depth = stuff->depth; + if (!width || !height || !depth) + { + client->errorValue = 0; + return BadValue; + } + if (width > 32767 || height > 32767) + return BadAlloc; + + if (stuff->depth != 1) + { + pDepth = pDraw->pScreen->allowedDepths; + for (i=0; i<pDraw->pScreen->numDepths; i++, pDepth++) + if (pDepth->depth == stuff->depth) + goto CreatePmap; + client->errorValue = stuff->depth; + return BadValue; + } + +CreatePmap: + size = PixmapBytePad(width, depth) * height; + if (sizeof(size) == 4 && BitsPerPixel(depth) > 8) { + if (size < width * height) + return BadAlloc; + } + /* thankfully, offset is unsigned */ + if (stuff->offset + size < size) + return BadAlloc; + + VERIFY_SHMSIZE(shmdesc, stuff->offset, size, client); + screen_priv = ShmGetScreenPriv(pDraw->pScreen); + pMap = (*screen_priv->shmFuncs->CreatePixmap)( + pDraw->pScreen, stuff->width, + stuff->height, stuff->depth, + shmdesc->addr + stuff->offset); + if (pMap) + { + rc = XaceHook(XACE_RESOURCE_ACCESS, client, stuff->pid, RT_PIXMAP, + pMap, RT_NONE, NULL, DixCreateAccess); + if (rc != Success) { + pDraw->pScreen->DestroyPixmap(pMap); + return rc; + } + dixSetPrivate(&pMap->devPrivates, shmPixmapPrivateKey, shmdesc); + shmdesc->refcnt++; + pMap->drawable.serialNumber = NEXT_SERIAL_NUMBER; + pMap->drawable.id = stuff->pid; + if (AddResource(stuff->pid, RT_PIXMAP, (pointer)pMap)) + { + return Success; + } + pDraw->pScreen->DestroyPixmap(pMap); + } + return BadAlloc; +} + +static int +ProcShmDispatch (ClientPtr client) +{ + REQUEST(xReq); + switch (stuff->data) + { + case X_ShmQueryVersion: + return ProcShmQueryVersion(client); + case X_ShmAttach: + return ProcShmAttach(client); + case X_ShmDetach: + return ProcShmDetach(client); + case X_ShmPutImage: +#ifdef PANORAMIX + if ( !noPanoramiXExtension ) + return ProcPanoramiXShmPutImage(client); +#endif + return ProcShmPutImage(client); + case X_ShmGetImage: +#ifdef PANORAMIX + if ( !noPanoramiXExtension ) + return ProcPanoramiXShmGetImage(client); +#endif + return ProcShmGetImage(client); + case X_ShmCreatePixmap: +#ifdef PANORAMIX + if ( !noPanoramiXExtension ) + return ProcPanoramiXShmCreatePixmap(client); +#endif + return ProcShmCreatePixmap(client); + default: + return BadRequest; + } +} + +static void +SShmCompletionEvent(xShmCompletionEvent *from, xShmCompletionEvent *to) +{ + to->type = from->type; + cpswaps(from->sequenceNumber, to->sequenceNumber); + cpswapl(from->drawable, to->drawable); + cpswaps(from->minorEvent, to->minorEvent); + to->majorEvent = from->majorEvent; + cpswapl(from->shmseg, to->shmseg); + cpswapl(from->offset, to->offset); +} + +static int +SProcShmQueryVersion(ClientPtr client) +{ + int n; + REQUEST(xShmQueryVersionReq); + + swaps(&stuff->length, n); + return ProcShmQueryVersion(client); +} + +static int +SProcShmAttach(ClientPtr client) +{ + int n; + REQUEST(xShmAttachReq); + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xShmAttachReq); + swapl(&stuff->shmseg, n); + swapl(&stuff->shmid, n); + return ProcShmAttach(client); +} + +static int +SProcShmDetach(ClientPtr client) +{ + int n; + REQUEST(xShmDetachReq); + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xShmDetachReq); + swapl(&stuff->shmseg, n); + return ProcShmDetach(client); +} + +static int +SProcShmPutImage(ClientPtr client) +{ + int n; + REQUEST(xShmPutImageReq); + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xShmPutImageReq); + swapl(&stuff->drawable, n); + swapl(&stuff->gc, n); + swaps(&stuff->totalWidth, n); + swaps(&stuff->totalHeight, n); + swaps(&stuff->srcX, n); + swaps(&stuff->srcY, n); + swaps(&stuff->srcWidth, n); + swaps(&stuff->srcHeight, n); + swaps(&stuff->dstX, n); + swaps(&stuff->dstY, n); + swapl(&stuff->shmseg, n); + swapl(&stuff->offset, n); + return ProcShmPutImage(client); +} + +static int +SProcShmGetImage(ClientPtr client) +{ + int n; + REQUEST(xShmGetImageReq); + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xShmGetImageReq); + swapl(&stuff->drawable, n); + swaps(&stuff->x, n); + swaps(&stuff->y, n); + swaps(&stuff->width, n); + swaps(&stuff->height, n); + swapl(&stuff->planeMask, n); + swapl(&stuff->shmseg, n); + swapl(&stuff->offset, n); + return ProcShmGetImage(client); +} + +static int +SProcShmCreatePixmap(ClientPtr client) +{ + int n; + REQUEST(xShmCreatePixmapReq); + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xShmCreatePixmapReq); + swapl(&stuff->pid, n); + swapl(&stuff->drawable, n); + swaps(&stuff->width, n); + swaps(&stuff->height, n); + swapl(&stuff->shmseg, n); + swapl(&stuff->offset, n); + return ProcShmCreatePixmap(client); +} + +static int +SProcShmDispatch (ClientPtr client) +{ + REQUEST(xReq); + switch (stuff->data) + { + case X_ShmQueryVersion: + return SProcShmQueryVersion(client); + case X_ShmAttach: + return SProcShmAttach(client); + case X_ShmDetach: + return SProcShmDetach(client); + case X_ShmPutImage: + return SProcShmPutImage(client); + case X_ShmGetImage: + return SProcShmGetImage(client); + case X_ShmCreatePixmap: + return SProcShmCreatePixmap(client); + default: + return BadRequest; + } +} + +void +ShmExtensionInit(INITARGS) +{ + ExtensionEntry *extEntry; + int i; + +#ifdef MUST_CHECK_FOR_SHM_SYSCALL + if (!CheckForShmSyscall()) + { + ErrorF("MIT-SHM extension disabled due to lack of kernel support\n"); + return; + } +#endif + + if (!ShmRegisterPrivates()) + return; + + sharedPixmaps = xFalse; + { + sharedPixmaps = xTrue; + for (i = 0; i < screenInfo.numScreens; i++) + { + ShmScrPrivateRec *screen_priv = ShmInitScreenPriv(screenInfo.screens[i]); + if (!screen_priv->shmFuncs) + screen_priv->shmFuncs = &miFuncs; + if (!screen_priv->shmFuncs->CreatePixmap) + sharedPixmaps = xFalse; + } + if (sharedPixmaps) + for (i = 0; i < screenInfo.numScreens; i++) + { + ShmScrPrivateRec *screen_priv = ShmGetScreenPriv(screenInfo.screens[i]); + screen_priv->destroyPixmap = screenInfo.screens[i]->DestroyPixmap; + screenInfo.screens[i]->DestroyPixmap = ShmDestroyPixmap; + } + } + ShmSegType = CreateNewResourceType(ShmDetachSegment, "ShmSeg"); + if (ShmSegType && + (extEntry = AddExtension(SHMNAME, ShmNumberEvents, ShmNumberErrors, + ProcShmDispatch, SProcShmDispatch, + ShmResetProc, StandardMinorOpcode))) + { + ShmReqCode = (unsigned char)extEntry->base; + ShmCompletionCode = extEntry->eventBase; + BadShmSegCode = extEntry->errorBase; + SetResourceTypeErrorValue(ShmSegType, BadShmSegCode); + EventSwapVector[ShmCompletionCode] = (EventSwapPtr) SShmCompletionEvent; + } +} diff --git a/Xext/shmint.h b/Xext/shmint.h new file mode 100644 index 0000000..8f8a00d --- /dev/null +++ b/Xext/shmint.h @@ -0,0 +1,69 @@ +/* + * Copyright © 2003 Keith Packard + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of Keith Packard not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Keith Packard makes no + * representations about the suitability of this software for any purpose. It + * is provided "as is" without express or implied warranty. + * + * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef _SHMINT_H_ +#define _SHMINT_H_ + +#include <X11/extensions/shmproto.h> + +#include "screenint.h" +#include "pixmap.h" +#include "gc.h" + +#define XSHM_PUT_IMAGE_ARGS \ + DrawablePtr /* dst */, \ + GCPtr /* pGC */, \ + int /* depth */, \ + unsigned int /* format */, \ + int /* w */, \ + int /* h */, \ + int /* sx */, \ + int /* sy */, \ + int /* sw */, \ + int /* sh */, \ + int /* dx */, \ + int /* dy */, \ + char * /* data */ + +#define XSHM_CREATE_PIXMAP_ARGS \ + ScreenPtr /* pScreen */, \ + int /* width */, \ + int /* height */, \ + int /* depth */, \ + char * /* addr */ + +typedef struct _ShmFuncs { + PixmapPtr (* CreatePixmap)(XSHM_CREATE_PIXMAP_ARGS); + void (* PutImage)(XSHM_PUT_IMAGE_ARGS); +} ShmFuncs, *ShmFuncsPtr; + +extern _X_EXPORT void +ShmRegisterFuncs(ScreenPtr pScreen, ShmFuncsPtr funcs); + +extern _X_EXPORT void +ShmRegisterFbFuncs(ScreenPtr pScreen); + +extern _X_EXPORT RESTYPE ShmSegType; +extern _X_EXPORT int ShmCompletionCode; +extern _X_EXPORT int BadShmSegCode; + +#endif /* _SHMINT_H_ */ diff --git a/Xext/sleepuntil.c b/Xext/sleepuntil.c new file mode 100644 index 0000000..3fd06ac --- /dev/null +++ b/Xext/sleepuntil.c @@ -0,0 +1,225 @@ +/* + * +Copyright 1992, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + * + * Author: Keith Packard, MIT X Consortium + */ + +/* dixsleep.c - implement millisecond timeouts for X clients */ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include "sleepuntil.h" +#include <X11/X.h> +#include <X11/Xmd.h> +#include "misc.h" +#include "windowstr.h" +#include "dixstruct.h" +#include "pixmapstr.h" +#include "scrnintstr.h" + +typedef struct _Sertafied { + struct _Sertafied *next; + TimeStamp revive; + ClientPtr pClient; + XID id; + void (*notifyFunc)( + ClientPtr /* client */, + pointer /* closure */ + ); + + pointer closure; +} SertafiedRec, *SertafiedPtr; + +static SertafiedPtr pPending; +static RESTYPE SertafiedResType; +static Bool BlockHandlerRegistered; +static int SertafiedGeneration; + +static void ClientAwaken( + ClientPtr /* client */, + pointer /* closure */ +); +static int SertafiedDelete( + pointer /* value */, + XID /* id */ +); +static void SertafiedBlockHandler( + pointer /* data */, + OSTimePtr /* wt */, + pointer /* LastSelectMask */ +); +static void SertafiedWakeupHandler( + pointer /* data */, + int /* i */, + pointer /* LastSelectMask */ +); + +int +ClientSleepUntil (ClientPtr client, + TimeStamp *revive, + void (*notifyFunc)(ClientPtr, pointer), + pointer closure) +{ + SertafiedPtr pRequest, pReq, pPrev; + + if (SertafiedGeneration != serverGeneration) + { + SertafiedResType = CreateNewResourceType (SertafiedDelete, + "ClientSleep"); + if (!SertafiedResType) + return FALSE; + SertafiedGeneration = serverGeneration; + BlockHandlerRegistered = FALSE; + } + pRequest = malloc(sizeof (SertafiedRec)); + if (!pRequest) + return FALSE; + pRequest->pClient = client; + pRequest->revive = *revive; + pRequest->id = FakeClientID (client->index); + pRequest->closure = closure; + if (!BlockHandlerRegistered) + { + if (!RegisterBlockAndWakeupHandlers (SertafiedBlockHandler, + SertafiedWakeupHandler, + (pointer) 0)) + { + free(pRequest); + return FALSE; + } + BlockHandlerRegistered = TRUE; + } + pRequest->notifyFunc = 0; + if (!AddResource (pRequest->id, SertafiedResType, (pointer) pRequest)) + return FALSE; + if (!notifyFunc) + notifyFunc = ClientAwaken; + pRequest->notifyFunc = notifyFunc; + /* Insert into time-ordered queue, with earliest activation time coming first. */ + pPrev = 0; + for (pReq = pPending; pReq; pReq = pReq->next) + { + if (CompareTimeStamps (pReq->revive, *revive) == LATER) + break; + pPrev = pReq; + } + if (pPrev) + pPrev->next = pRequest; + else + pPending = pRequest; + pRequest->next = pReq; + IgnoreClient (client); + return TRUE; +} + +static void +ClientAwaken (ClientPtr client, pointer closure) +{ + if (!client->clientGone) + AttendClient (client); +} + + +static int +SertafiedDelete (pointer value, XID id) +{ + SertafiedPtr pRequest = (SertafiedPtr)value; + SertafiedPtr pReq, pPrev; + + pPrev = 0; + for (pReq = pPending; pReq; pPrev = pReq, pReq = pReq->next) + if (pReq == pRequest) + { + if (pPrev) + pPrev->next = pReq->next; + else + pPending = pReq->next; + break; + } + if (pRequest->notifyFunc) + (*pRequest->notifyFunc) (pRequest->pClient, pRequest->closure); + free(pRequest); + return TRUE; +} + +static void +SertafiedBlockHandler (pointer data, OSTimePtr wt, pointer LastSelectMask) +{ + SertafiedPtr pReq, pNext; + unsigned long delay; + TimeStamp now; + + if (!pPending) + return; + now.milliseconds = GetTimeInMillis (); + now.months = currentTime.months; + if ((int) (now.milliseconds - currentTime.milliseconds) < 0) + now.months++; + for (pReq = pPending; pReq; pReq = pNext) + { + pNext = pReq->next; + if (CompareTimeStamps (pReq->revive, now) == LATER) + break; + FreeResource (pReq->id, RT_NONE); + + /* AttendClient() may have been called via the resource delete + * function so a client may have input to be processed and so + * set delay to 0 to prevent blocking in WaitForSomething(). + */ + AdjustWaitForDelay (wt, 0); + } + pReq = pPending; + if (!pReq) + return; + delay = pReq->revive.milliseconds - now.milliseconds; + AdjustWaitForDelay (wt, delay); +} + +static void +SertafiedWakeupHandler (pointer data, int i, pointer LastSelectMask) +{ + SertafiedPtr pReq, pNext; + TimeStamp now; + + now.milliseconds = GetTimeInMillis (); + now.months = currentTime.months; + if ((int) (now.milliseconds - currentTime.milliseconds) < 0) + now.months++; + for (pReq = pPending; pReq; pReq = pNext) + { + pNext = pReq->next; + if (CompareTimeStamps (pReq->revive, now) == LATER) + break; + FreeResource (pReq->id, RT_NONE); + } + if (!pPending) + { + RemoveBlockAndWakeupHandlers (SertafiedBlockHandler, + SertafiedWakeupHandler, + (pointer) 0); + BlockHandlerRegistered = FALSE; + } +} diff --git a/Xext/sleepuntil.h b/Xext/sleepuntil.h new file mode 100644 index 0000000..a3618d9 --- /dev/null +++ b/Xext/sleepuntil.h @@ -0,0 +1,46 @@ +/* + * Copyright (C) 2001 The XFree86 Project, Inc. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * XFREE86 PROJECT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * Except as contained in this notice, the name of the XFree86 Project shall + * not be used in advertising or otherwise to promote the sale, use or other + * dealings in this Software without prior written authorization from the + * XFree86 Project. + */ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#ifndef _SLEEPUNTIL_H_ +#define _SLEEPUNTIL_H_ 1 + +#include "dix.h" + +extern int ClientSleepUntil( + ClientPtr client, + TimeStamp *revive, + void (*notifyFunc)( + ClientPtr /* client */, + pointer /* closure */ + ), + pointer Closure +); + +#endif diff --git a/Xext/sync.c b/Xext/sync.c new file mode 100644 index 0000000..36dd278 --- /dev/null +++ b/Xext/sync.c @@ -0,0 +1,2925 @@ +/* + +Copyright 1991, 1993, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +The above copyright notice and this permission notice shall be included +in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR +OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, +ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall +not be used in advertising or otherwise to promote the sale, use or +other dealings in this Software without prior written authorization +from The Open Group. + + +Copyright 1991, 1993 by Digital Equipment Corporation, Maynard, Massachusetts, +and Olivetti Research Limited, Cambridge, England. + + All Rights Reserved + +Permission to use, copy, modify, and distribute this software and its +documentation for any purpose and without fee is hereby granted, +provided that the above copyright notice appear in all copies and that +both that copyright notice and this permission notice appear in +supporting documentation, and that the names of Digital or Olivetti +not be used in advertising or publicity pertaining to distribution of the +software without specific, written prior permission. Digital and Olivetti +make no representations about the suitability of this software +for any purpose. It is provided "as is" without express or implied warranty. + +DIGITAL AND OLIVETTI DISCLAIM ALL WARRANTIES WITH REGARD TO THIS +SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND +FITNESS, IN NO EVENT SHALL THEY BE LIABLE FOR ANY SPECIAL, INDIRECT OR +CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF +USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR +OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR +PERFORMANCE OF THIS SOFTWARE. + +*/ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include <string.h> + +#include <X11/X.h> +#include <X11/Xproto.h> +#include <X11/Xmd.h> +#include "scrnintstr.h" +#include "os.h" +#include "extnsionst.h" +#include "dixstruct.h" +#include "pixmapstr.h" +#include "resource.h" +#include "opaque.h" +#include <X11/extensions/syncproto.h> +#include "syncsrv.h" +#include "syncsdk.h" +#include "protocol-versions.h" + +#include <stdio.h> +#if !defined(WIN32) +#include <sys/time.h> +#endif + +#include "modinit.h" + +/* + * Local Global Variables + */ +static int SyncEventBase; +static int SyncErrorBase; +static RESTYPE RTCounter = 0; +static RESTYPE RTAwait; +static RESTYPE RTAlarm; +static RESTYPE RTAlarmClient; +static RESTYPE RTFence; +static int SyncNumSystemCounters = 0; +static SyncCounter **SysCounterList = NULL; +static int SyncNumInvalidCounterWarnings = 0; +#define MAX_INVALID_COUNTER_WARNINGS 5 + +static const char *WARN_INVALID_COUNTER_COMPARE = +"Warning: Non-counter XSync object using Counter-only\n" +" comparison. Result will never be true.\n"; + +static const char *WARN_INVALID_COUNTER_ALARM = +"Warning: Non-counter XSync object used in alarm. This is\n" +" the result of a programming error in the X server.\n"; + +#define IsSystemCounter(pCounter) \ + (pCounter && (pCounter->sync.client == NULL)) + +/* these are all the alarm attributes that pertain to the alarm's trigger */ +#define XSyncCAAllTrigger \ + (XSyncCACounter | XSyncCAValueType | XSyncCAValue | XSyncCATestType) + +static void SyncComputeBracketValues(SyncCounter *); + +static void SyncInitServerTime(void); + +static void SyncInitIdleTime(void); + +static Bool +SyncCheckWarnIsCounter(const SyncObject* pSync, const char *warning) +{ + if (pSync && (SYNC_COUNTER != pSync->type)) + { + if (SyncNumInvalidCounterWarnings++ < MAX_INVALID_COUNTER_WARNINGS) + { + ErrorF("%s", warning); + ErrorF(" Counter type: %d\n", pSync->type); + } + + return FALSE; + } + + return TRUE; +} + +/* Each counter maintains a simple linked list of triggers that are + * interested in the counter. The two functions below are used to + * delete and add triggers on this list. + */ +static void +SyncDeleteTriggerFromSyncObject(SyncTrigger *pTrigger) +{ + SyncTriggerList *pCur; + SyncTriggerList *pPrev; + SyncCounter *pCounter; + + /* pSync needs to be stored in pTrigger before calling here. */ + + if (!pTrigger->pSync) + return; + + pPrev = NULL; + pCur = pTrigger->pSync->pTriglist; + + while (pCur) + { + if (pCur->pTrigger == pTrigger) + { + if (pPrev) + pPrev->next = pCur->next; + else + pTrigger->pSync->pTriglist = pCur->next; + + free(pCur); + break; + } + + pPrev = pCur; + pCur = pCur->next; + } + + if (SYNC_COUNTER == pTrigger->pSync->type) + { + pCounter = (SyncCounter *)pTrigger->pSync; + + if (IsSystemCounter(pCounter)) + SyncComputeBracketValues(pCounter); + } else if (SYNC_FENCE == pTrigger->pSync->type) { + SyncFence* pFence = (SyncFence*) pTrigger->pSync; + pFence->funcs.DeleteTrigger(pTrigger); + } +} + + +static int +SyncAddTriggerToSyncObject(SyncTrigger *pTrigger) +{ + SyncTriggerList *pCur; + SyncCounter *pCounter; + + if (!pTrigger->pSync) + return Success; + + /* don't do anything if it's already there */ + for (pCur = pTrigger->pSync->pTriglist; pCur; pCur = pCur->next) + { + if (pCur->pTrigger == pTrigger) + return Success; + } + + if (!(pCur = malloc(sizeof(SyncTriggerList)))) + return BadAlloc; + + pCur->pTrigger = pTrigger; + pCur->next = pTrigger->pSync->pTriglist; + pTrigger->pSync->pTriglist = pCur; + + if (SYNC_COUNTER == pTrigger->pSync->type) + { + pCounter = (SyncCounter *)pTrigger->pSync; + + if (IsSystemCounter(pCounter)) + SyncComputeBracketValues(pCounter); + } else if (SYNC_FENCE == pTrigger->pSync->type) { + SyncFence* pFence = (SyncFence*) pTrigger->pSync; + pFence->funcs.AddTrigger(pTrigger); + } + + return Success; +} + + +/* Below are five possible functions that can be plugged into + * pTrigger->CheckTrigger for counter sync objects, corresponding to + * the four possible test-types, and the one possible function that + * can be plugged into pTrigger->CheckTrigger for fence sync objects. + * These functions are called after the sync object's state changes + * but are also passed the old state so they can inspect both the old + * and new values. (PositiveTransition and NegativeTransition need to + * see both pieces of information.) These functions return the truth + * value of the trigger. + * + * All of them include the condition pTrigger->pSync == NULL. + * This is because the spec says that a trigger with a sync value + * of None is always TRUE. + */ + +static Bool +SyncCheckTriggerPositiveComparison(SyncTrigger *pTrigger, CARD64 oldval) +{ + SyncCounter *pCounter; + + /* Non-counter sync objects should never get here because they + * never trigger this comparison. */ + if (!SyncCheckWarnIsCounter(pTrigger->pSync, WARN_INVALID_COUNTER_COMPARE)) + return FALSE; + + pCounter = (SyncCounter *)pTrigger->pSync; + + return (pCounter == NULL || + XSyncValueGreaterOrEqual(pCounter->value, pTrigger->test_value)); +} + +static Bool +SyncCheckTriggerNegativeComparison(SyncTrigger *pTrigger, CARD64 oldval) +{ + SyncCounter *pCounter; + + /* Non-counter sync objects should never get here because they + * never trigger this comparison. */ + if (!SyncCheckWarnIsCounter(pTrigger->pSync, WARN_INVALID_COUNTER_COMPARE)) + return FALSE; + + pCounter = (SyncCounter *)pTrigger->pSync; + + return (pCounter == NULL || + XSyncValueLessOrEqual(pCounter->value, pTrigger->test_value)); +} + +static Bool +SyncCheckTriggerPositiveTransition(SyncTrigger *pTrigger, CARD64 oldval) +{ + SyncCounter *pCounter; + + /* Non-counter sync objects should never get here because they + * never trigger this comparison. */ + if (!SyncCheckWarnIsCounter(pTrigger->pSync, WARN_INVALID_COUNTER_COMPARE)) + return FALSE; + + pCounter = (SyncCounter *)pTrigger->pSync; + + return (pCounter == NULL || + (XSyncValueLessThan(oldval, pTrigger->test_value) && + XSyncValueGreaterOrEqual(pCounter->value, pTrigger->test_value))); +} + +static Bool +SyncCheckTriggerNegativeTransition(SyncTrigger *pTrigger, CARD64 oldval) +{ + SyncCounter *pCounter; + + /* Non-counter sync objects should never get here because they + * never trigger this comparison. */ + if (!SyncCheckWarnIsCounter(pTrigger->pSync, WARN_INVALID_COUNTER_COMPARE)) + return FALSE; + + pCounter = (SyncCounter *)pTrigger->pSync; + + return (pCounter == NULL || + (XSyncValueGreaterThan(oldval, pTrigger->test_value) && + XSyncValueLessOrEqual(pCounter->value, pTrigger->test_value))); +} + +static Bool +SyncCheckTriggerFence(SyncTrigger *pTrigger, CARD64 unused) +{ + SyncFence* pFence = (SyncFence*) pTrigger->pSync; + (void)unused; + + return (pFence == NULL || + pFence->funcs.CheckTriggered(pFence)); +} + +static int +SyncInitTrigger(ClientPtr client, SyncTrigger *pTrigger, XID syncObject, + RESTYPE resType, Mask changes) +{ + SyncObject *pSync = pTrigger->pSync; + SyncCounter *pCounter = NULL; + int rc; + Bool newSyncObject = FALSE; + + if (changes & XSyncCACounter) + { + if (syncObject == None) + pSync = NULL; + else if (Success != (rc = dixLookupResourceByType ((pointer *)&pSync, + syncObject, resType, client, DixReadAccess))) + { + client->errorValue = syncObject; + return rc; + } + if (pSync != pTrigger->pSync) + { /* new counter for trigger */ + SyncDeleteTriggerFromSyncObject(pTrigger); + pTrigger->pSync = pSync; + newSyncObject = TRUE; + } + } + + /* if system counter, ask it what the current value is */ + + if (pSync && SYNC_COUNTER == pSync->type) + { + pCounter = (SyncCounter *)pSync; + + if (IsSystemCounter(pCounter)) + { + (*pCounter->pSysCounterInfo->QueryValue) ((pointer) pCounter, + &pCounter->value); + } + } + + if (changes & XSyncCAValueType) + { + if (pTrigger->value_type != XSyncRelative && + pTrigger->value_type != XSyncAbsolute) + { + client->errorValue = pTrigger->value_type; + return BadValue; + } + } + + if (changes & XSyncCATestType) + { + + if (pSync && SYNC_FENCE == pSync->type) + { + pTrigger->CheckTrigger = SyncCheckTriggerFence; + } + else + { + /* select appropriate CheckTrigger function */ + + switch (pTrigger->test_type) + { + case XSyncPositiveTransition: + pTrigger->CheckTrigger = SyncCheckTriggerPositiveTransition; + break; + case XSyncNegativeTransition: + pTrigger->CheckTrigger = SyncCheckTriggerNegativeTransition; + break; + case XSyncPositiveComparison: + pTrigger->CheckTrigger = SyncCheckTriggerPositiveComparison; + break; + case XSyncNegativeComparison: + pTrigger->CheckTrigger = SyncCheckTriggerNegativeComparison; + break; + default: + client->errorValue = pTrigger->test_type; + return BadValue; + } + } + } + + if (changes & (XSyncCAValueType | XSyncCAValue)) + { + if (pTrigger->value_type == XSyncAbsolute) + pTrigger->test_value = pTrigger->wait_value; + else /* relative */ + { + Bool overflow; + if (pCounter == NULL) + return BadMatch; + + XSyncValueAdd(&pTrigger->test_value, pCounter->value, + pTrigger->wait_value, &overflow); + if (overflow) + { + client->errorValue = XSyncValueHigh32(pTrigger->wait_value); + return BadValue; + } + } + } + + /* we wait until we're sure there are no errors before registering + * a new counter on a trigger + */ + if (newSyncObject) + { + if ((rc = SyncAddTriggerToSyncObject(pTrigger)) != Success) + return rc; + } + else if (pCounter && IsSystemCounter(pCounter)) + { + SyncComputeBracketValues(pCounter); + } + + return Success; +} + +/* AlarmNotify events happen in response to actions taken on an Alarm or + * the counter used by the alarm. AlarmNotify may be sent to multiple + * clients. The alarm maintains a list of clients interested in events. + */ +static void +SyncSendAlarmNotifyEvents(SyncAlarm *pAlarm) +{ + SyncAlarmClientList *pcl; + xSyncAlarmNotifyEvent ane; + SyncTrigger *pTrigger = &pAlarm->trigger; + SyncCounter *pCounter; + + if (!SyncCheckWarnIsCounter(pTrigger->pSync, WARN_INVALID_COUNTER_ALARM)) + return; + + pCounter = (SyncCounter *)pTrigger->pSync; + + UpdateCurrentTime(); + + ane.type = SyncEventBase + XSyncAlarmNotify; + ane.kind = XSyncAlarmNotify; + ane.alarm = pAlarm->alarm_id; + if (pTrigger->pSync && SYNC_COUNTER == pTrigger->pSync->type) + { + ane.counter_value_hi = XSyncValueHigh32(pCounter->value); + ane.counter_value_lo = XSyncValueLow32(pCounter->value); + } + else + { /* XXX what else can we do if there's no counter? */ + ane.counter_value_hi = ane.counter_value_lo = 0; + } + + ane.alarm_value_hi = XSyncValueHigh32(pTrigger->test_value); + ane.alarm_value_lo = XSyncValueLow32(pTrigger->test_value); + ane.time = currentTime.milliseconds; + ane.state = pAlarm->state; + + /* send to owner */ + if (pAlarm->events) + WriteEventsToClient(pAlarm->client, 1, (xEvent *) &ane); + + /* send to other interested clients */ + for (pcl = pAlarm->pEventClients; pcl; pcl = pcl->next) + WriteEventsToClient(pcl->client, 1, (xEvent *) &ane); +} + + +/* CounterNotify events only occur in response to an Await. The events + * go only to the Awaiting client. + */ +static void +SyncSendCounterNotifyEvents(ClientPtr client, SyncAwait **ppAwait, + int num_events) +{ + xSyncCounterNotifyEvent *pEvents, *pev; + int i; + + if (client->clientGone) + return; + pev = pEvents = malloc(num_events * sizeof(xSyncCounterNotifyEvent)); + if (!pEvents) + return; + UpdateCurrentTime(); + for (i = 0; i < num_events; i++, ppAwait++, pev++) + { + SyncTrigger *pTrigger = &(*ppAwait)->trigger; + pev->type = SyncEventBase + XSyncCounterNotify; + pev->kind = XSyncCounterNotify; + pev->counter = pTrigger->pSync->id; + pev->wait_value_lo = XSyncValueLow32(pTrigger->test_value); + pev->wait_value_hi = XSyncValueHigh32(pTrigger->test_value); + if (SYNC_COUNTER == pTrigger->pSync->type) + { + SyncCounter *pCounter = (SyncCounter *)pTrigger->pSync; + + pev->counter_value_lo = XSyncValueLow32(pCounter->value); + pev->counter_value_hi = XSyncValueHigh32(pCounter->value); + } + else + { + pev->counter_value_lo = 0; + pev->counter_value_hi = 0; + } + + pev->time = currentTime.milliseconds; + pev->count = num_events - i - 1; /* events remaining */ + pev->destroyed = pTrigger->pSync->beingDestroyed; + } + /* swapping will be taken care of by this */ + WriteEventsToClient(client, num_events, (xEvent *)pEvents); + free(pEvents); +} + + +/* This function is called when an alarm's counter is destroyed. + * It is plugged into pTrigger->CounterDestroyed (for alarm triggers). + */ +static void +SyncAlarmCounterDestroyed(SyncTrigger *pTrigger) +{ + SyncAlarm *pAlarm = (SyncAlarm *)pTrigger; + + pAlarm->state = XSyncAlarmInactive; + SyncSendAlarmNotifyEvents(pAlarm); + pTrigger->pSync = NULL; +} + + +/* This function is called when an alarm "goes off." + * It is plugged into pTrigger->TriggerFired (for alarm triggers). + */ +static void +SyncAlarmTriggerFired(SyncTrigger *pTrigger) +{ + SyncAlarm *pAlarm = (SyncAlarm *)pTrigger; + SyncCounter *pCounter; + CARD64 new_test_value; + + if (!SyncCheckWarnIsCounter(pTrigger->pSync, WARN_INVALID_COUNTER_ALARM)) + return; + + pCounter = (SyncCounter *)pTrigger->pSync; + + /* no need to check alarm unless it's active */ + if (pAlarm->state != XSyncAlarmActive) + return; + + /* " if the counter value is None, or if the delta is 0 and + * the test-type is PositiveComparison or NegativeComparison, + * no change is made to value (test-value) and the alarm + * state is changed to Inactive before the event is generated." + */ + if (pCounter == NULL + || (XSyncValueIsZero(pAlarm->delta) + && (pAlarm->trigger.test_type == XSyncPositiveComparison + || pAlarm->trigger.test_type == XSyncNegativeComparison))) + pAlarm->state = XSyncAlarmInactive; + + new_test_value = pAlarm->trigger.test_value; + + if (pAlarm->state == XSyncAlarmActive) + { + Bool overflow; + CARD64 oldvalue; + SyncTrigger *paTrigger = &pAlarm->trigger; + SyncCounter *paCounter; + + if (!SyncCheckWarnIsCounter(paTrigger->pSync, + WARN_INVALID_COUNTER_ALARM)) + return; + + paCounter = (SyncCounter *)pTrigger->pSync; + + /* "The alarm is updated by repeatedly adding delta to the + * value of the trigger and re-initializing it until it + * becomes FALSE." + */ + oldvalue = paTrigger->test_value; + + /* XXX really should do something smarter here */ + + do + { + XSyncValueAdd(&paTrigger->test_value, paTrigger->test_value, + pAlarm->delta, &overflow); + } while (!overflow && + (*paTrigger->CheckTrigger)(paTrigger, + paCounter->value)); + + new_test_value = paTrigger->test_value; + paTrigger->test_value = oldvalue; + + /* "If this update would cause value to fall outside the range + * for an INT64...no change is made to value (test-value) and + * the alarm state is changed to Inactive before the event is + * generated." + */ + if (overflow) + { + new_test_value = oldvalue; + pAlarm->state = XSyncAlarmInactive; + } + } + /* The AlarmNotify event has to have the "new state of the alarm" + * which we can't be sure of until this point. However, it has + * to have the "old" trigger test value. That's the reason for + * all the newvalue/oldvalue shuffling above. After we send the + * events, give the trigger its new test value. + */ + SyncSendAlarmNotifyEvents(pAlarm); + pTrigger->test_value = new_test_value; +} + + +/* This function is called when an Await unblocks, either as a result + * of the trigger firing OR the counter being destroyed. + * It goes into pTrigger->TriggerFired AND pTrigger->CounterDestroyed + * (for Await triggers). + */ +static void +SyncAwaitTriggerFired(SyncTrigger *pTrigger) +{ + SyncAwait *pAwait = (SyncAwait *)pTrigger; + int numwaits; + SyncAwaitUnion *pAwaitUnion; + SyncAwait **ppAwait; + int num_events = 0; + + pAwaitUnion = (SyncAwaitUnion *)pAwait->pHeader; + numwaits = pAwaitUnion->header.num_waitconditions; + ppAwait = malloc(numwaits * sizeof(SyncAwait *)); + if (!ppAwait) + goto bail; + + pAwait = &(pAwaitUnion+1)->await; + + /* "When a client is unblocked, all the CounterNotify events for + * the Await request are generated contiguously. If count is 0 + * there are no more events to follow for this request. If + * count is n, there are at least n more events to follow." + * + * Thus, it is best to find all the counters for which events + * need to be sent first, so that an accurate count field can + * be stored in the events. + */ + for ( ; numwaits; numwaits--, pAwait++) + { + CARD64 diff; + Bool overflow, diffgreater, diffequal; + + /* "A CounterNotify event with the destroyed flag set to TRUE is + * always generated if the counter for one of the triggers is + * destroyed." + */ + if (pAwait->trigger.pSync->beingDestroyed) + { + ppAwait[num_events++] = pAwait; + continue; + } + + if (SYNC_COUNTER == pAwait->trigger.pSync->type) + { + SyncCounter *pCounter = (SyncCounter *) pAwait->trigger.pSync; + + /* "The difference between the counter and the test value is + * calculated by subtracting the test value from the value of + * the counter." + */ + XSyncValueSubtract(&diff, pCounter->value, + pAwait->trigger.test_value, &overflow); + + /* "If the difference lies outside the range for an INT64, an + * event is not generated." + */ + if (overflow) + continue; + diffgreater = XSyncValueGreaterThan(diff, pAwait->event_threshold); + diffequal = XSyncValueEqual(diff, pAwait->event_threshold); + + /* "If the test-type is PositiveTransition or + * PositiveComparison, a CounterNotify event is generated if + * the difference is at least event-threshold. If the test-type + * is NegativeTransition or NegativeComparison, a CounterNotify + * event is generated if the difference is at most + * event-threshold." + */ + + if ( ((pAwait->trigger.test_type == XSyncPositiveComparison || + pAwait->trigger.test_type == XSyncPositiveTransition) + && (diffgreater || diffequal)) + || + ((pAwait->trigger.test_type == XSyncNegativeComparison || + pAwait->trigger.test_type == XSyncNegativeTransition) + && (!diffgreater) /* less or equal */ + ) + ) + { + ppAwait[num_events++] = pAwait; + } + } + } + if (num_events) + SyncSendCounterNotifyEvents(pAwaitUnion->header.client, ppAwait, + num_events); + free(ppAwait); + +bail: + /* unblock the client */ + AttendClient(pAwaitUnion->header.client); + /* delete the await */ + FreeResource(pAwaitUnion->header.delete_id, RT_NONE); +} + + +/* This function should always be used to change a counter's value so that + * any triggers depending on the counter will be checked. + */ +void +SyncChangeCounter(SyncCounter *pCounter, CARD64 newval) +{ + SyncTriggerList *ptl, *pnext; + CARD64 oldval; + + oldval = pCounter->value; + pCounter->value = newval; + + /* run through triggers to see if any become true */ + for (ptl = pCounter->sync.pTriglist; ptl; ptl = pnext) + { + pnext = ptl->next; + if ((*ptl->pTrigger->CheckTrigger)(ptl->pTrigger, oldval)) + (*ptl->pTrigger->TriggerFired)(ptl->pTrigger); + } + + if (IsSystemCounter(pCounter)) + { + SyncComputeBracketValues(pCounter); + } +} + + +/* loosely based on dix/events.c/EventSelectForWindow */ +static Bool +SyncEventSelectForAlarm(SyncAlarm *pAlarm, ClientPtr client, Bool wantevents) +{ + SyncAlarmClientList *pClients; + + if (client == pAlarm->client) /* alarm owner */ + { + pAlarm->events = wantevents; + return Success; + } + + /* see if the client is already on the list (has events selected) */ + + for (pClients = pAlarm->pEventClients; pClients; + pClients = pClients->next) + { + if (pClients->client == client) + { + /* client's presence on the list indicates desire for + * events. If the client doesn't want events, remove it + * from the list. If the client does want events, do + * nothing, since it's already got them. + */ + if (!wantevents) + { + FreeResource(pClients->delete_id, RT_NONE); + } + return Success; + } + } + + /* if we get here, this client does not currently have + * events selected on the alarm + */ + + if (!wantevents) + /* client doesn't want events, and we just discovered that it + * doesn't have them, so there's nothing to do. + */ + return Success; + + /* add new client to pAlarm->pEventClients */ + + pClients = malloc(sizeof(SyncAlarmClientList)); + if (!pClients) + return BadAlloc; + + /* register it as a resource so it will be cleaned up + * if the client dies + */ + + pClients->delete_id = FakeClientID(client->index); + + /* link it into list after we know all the allocations succeed */ + pClients->next = pAlarm->pEventClients; + pAlarm->pEventClients = pClients; + pClients->client = client; + + if (!AddResource(pClients->delete_id, RTAlarmClient, pAlarm)) + return BadAlloc; + + return Success; +} + +/* + * ** SyncChangeAlarmAttributes ** This is used by CreateAlarm and ChangeAlarm + */ +static int +SyncChangeAlarmAttributes(ClientPtr client, SyncAlarm *pAlarm, Mask mask, + CARD32 *values) +{ + int status; + XSyncCounter counter; + Mask origmask = mask; + + counter = + pAlarm->trigger.pSync ? pAlarm->trigger.pSync->id : None; + + while (mask) + { + int index2 = lowbit(mask); + mask &= ~index2; + switch (index2) + { + case XSyncCACounter: + mask &= ~XSyncCACounter; + /* sanity check in SyncInitTrigger */ + counter = *values++; + break; + + case XSyncCAValueType: + mask &= ~XSyncCAValueType; + /* sanity check in SyncInitTrigger */ + pAlarm->trigger.value_type = *values++; + break; + + case XSyncCAValue: + mask &= ~XSyncCAValue; + XSyncIntsToValue(&pAlarm->trigger.wait_value, values[1], values[0]); + values += 2; + break; + + case XSyncCATestType: + mask &= ~XSyncCATestType; + /* sanity check in SyncInitTrigger */ + pAlarm->trigger.test_type = *values++; + break; + + case XSyncCADelta: + mask &= ~XSyncCADelta; + XSyncIntsToValue(&pAlarm->delta, values[1], values[0]); + values += 2; + break; + + case XSyncCAEvents: + mask &= ~XSyncCAEvents; + if ((*values != xTrue) && (*values != xFalse)) + { + client->errorValue = *values; + return BadValue; + } + status = SyncEventSelectForAlarm(pAlarm, client, + (Bool)(*values++)); + if (status != Success) + return status; + break; + + default: + client->errorValue = mask; + return BadValue; + } + } + + /* "If the test-type is PositiveComparison or PositiveTransition + * and delta is less than zero, or if the test-type is + * NegativeComparison or NegativeTransition and delta is + * greater than zero, a Match error is generated." + */ + if (origmask & (XSyncCADelta|XSyncCATestType)) + { + CARD64 zero; + XSyncIntToValue(&zero, 0); + if ((((pAlarm->trigger.test_type == XSyncPositiveComparison) || + (pAlarm->trigger.test_type == XSyncPositiveTransition)) + && XSyncValueLessThan(pAlarm->delta, zero)) + || + (((pAlarm->trigger.test_type == XSyncNegativeComparison) || + (pAlarm->trigger.test_type == XSyncNegativeTransition)) + && XSyncValueGreaterThan(pAlarm->delta, zero)) + ) + { + return BadMatch; + } + } + + /* postpone this until now, when we're sure nothing else can go wrong */ + if ((status = SyncInitTrigger(client, &pAlarm->trigger, counter, RTCounter, + origmask & XSyncCAAllTrigger)) != Success) + return status; + + /* XXX spec does not really say to do this - needs clarification */ + pAlarm->state = XSyncAlarmActive; + return Success; +} + +static SyncObject * +SyncCreate(ClientPtr client, XID id, unsigned char type) +{ + SyncObject *pSync; + + switch (type) { + case SYNC_COUNTER: + pSync = malloc(sizeof(SyncCounter)); + break; + case SYNC_FENCE: + pSync = (SyncObject*)dixAllocateObjectWithPrivates(SyncFence, + PRIVATE_SYNC_FENCE); + break; + default: + return NULL; + } + + if (!pSync) + return NULL; + + pSync->client = client; + pSync->id = id; + pSync->pTriglist = NULL; + pSync->beingDestroyed = FALSE; + pSync->type = type; + + return pSync; +} + + +static SyncCounter * +SyncCreateCounter(ClientPtr client, XSyncCounter id, CARD64 initialvalue) +{ + SyncCounter *pCounter; + + if (!(pCounter = (SyncCounter *)SyncCreate(client, + id, + SYNC_COUNTER))) + return NULL; + + pCounter->value = initialvalue; + pCounter->pSysCounterInfo = NULL; + + if (!AddResource(id, RTCounter, (pointer) pCounter)) + return NULL; + + return pCounter; +} + +static int FreeCounter(void *, XID); + +/* + * ***** System Counter utilities + */ + +pointer +SyncCreateSystemCounter( + char *name, + CARD64 initial, + CARD64 resolution, + SyncCounterType counterType, + void (*QueryValue)(pointer /* pCounter */, + CARD64 * /* pValue_return */), + void (*BracketValues)(pointer /* pCounter */, + CARD64 * /* pbracket_less */, + CARD64 * /* pbracket_greater */) + ) +{ + SyncCounter *pCounter; + + SysCounterList = realloc(SysCounterList, + (SyncNumSystemCounters+1)*sizeof(SyncCounter *)); + if (!SysCounterList) + return NULL; + + /* this function may be called before SYNC has been initialized, so we + * have to make sure RTCounter is created. + */ + if (RTCounter == 0) + { + RTCounter = CreateNewResourceType(FreeCounter, "SyncCounter"); + if (RTCounter == 0) + { + return NULL; + } + } + + pCounter = SyncCreateCounter(NULL, FakeClientID(0), initial); + + if (pCounter) + { + SysCounterInfo *psci; + + psci = malloc(sizeof(SysCounterInfo)); + if (!psci) + { + FreeResource(pCounter->sync.id, RT_NONE); + return pCounter; + } + pCounter->pSysCounterInfo = psci; + psci->name = name; + psci->resolution = resolution; + psci->counterType = counterType; + psci->QueryValue = QueryValue; + psci->BracketValues = BracketValues; + XSyncMaxValue(&psci->bracket_greater); + XSyncMinValue(&psci->bracket_less); + SysCounterList[SyncNumSystemCounters++] = pCounter; + } + return pCounter; +} + +void +SyncDestroySystemCounter(pointer pSysCounter) +{ + SyncCounter *pCounter = (SyncCounter *)pSysCounter; + FreeResource(pCounter->sync.id, RT_NONE); +} + +static void +SyncComputeBracketValues(SyncCounter *pCounter) +{ + SyncTriggerList *pCur; + SyncTrigger *pTrigger; + SysCounterInfo *psci; + CARD64 *pnewgtval = NULL; + CARD64 *pnewltval = NULL; + SyncCounterType ct; + + if (!pCounter) + return; + + psci = pCounter->pSysCounterInfo; + ct = pCounter->pSysCounterInfo->counterType; + if (ct == XSyncCounterNeverChanges) + return; + + XSyncMaxValue(&psci->bracket_greater); + XSyncMinValue(&psci->bracket_less); + + for (pCur = pCounter->sync.pTriglist; pCur; pCur = pCur->next) + { + pTrigger = pCur->pTrigger; + + if (pTrigger->test_type == XSyncPositiveComparison && + ct != XSyncCounterNeverIncreases) + { + if (XSyncValueLessThan(pCounter->value, pTrigger->test_value) && + XSyncValueLessThan(pTrigger->test_value, + psci->bracket_greater)) + { + psci->bracket_greater = pTrigger->test_value; + pnewgtval = &psci->bracket_greater; + } + } + else if (pTrigger->test_type == XSyncNegativeComparison && + ct != XSyncCounterNeverDecreases) + { + if (XSyncValueGreaterThan(pCounter->value, pTrigger->test_value) && + XSyncValueGreaterThan(pTrigger->test_value, + psci->bracket_less)) + { + psci->bracket_less = pTrigger->test_value; + pnewltval = &psci->bracket_less; + } + } + else if (pTrigger->test_type == XSyncNegativeTransition && + ct != XSyncCounterNeverIncreases) + { + if (XSyncValueGreaterThan(pCounter->value, pTrigger->test_value) && + XSyncValueGreaterThan(pTrigger->test_value, psci->bracket_less)) + { + psci->bracket_less = pTrigger->test_value; + pnewltval = &psci->bracket_less; + } else if (XSyncValueEqual(pCounter->value, pTrigger->test_value) && + XSyncValueLessThan(pTrigger->test_value, + psci->bracket_greater)) + { + /* + * The value is exactly equal to our threshold. We want one + * more event in the positive direction to ensure we pick up + * when the value *exceeds* this threshold. + */ + psci->bracket_greater = pTrigger->test_value; + pnewgtval = &psci->bracket_greater; + } + } + else if (pTrigger->test_type == XSyncPositiveTransition && + ct != XSyncCounterNeverDecreases) + { + if (XSyncValueLessThan(pCounter->value, pTrigger->test_value) && + XSyncValueLessThan(pTrigger->test_value, psci->bracket_greater)) + { + psci->bracket_greater = pTrigger->test_value; + pnewgtval = &psci->bracket_greater; + } else if (XSyncValueEqual(pCounter->value, pTrigger->test_value) && + XSyncValueGreaterThan(pTrigger->test_value, + psci->bracket_less)) + { + /* + * The value is exactly equal to our threshold. We want one + * more event in the negative direction to ensure we pick up + * when the value is less than this threshold. + */ + psci->bracket_less = pTrigger->test_value; + pnewltval = &psci->bracket_less; + } + } + } /* end for each trigger */ + + if (pnewgtval || pnewltval) + { + (*psci->BracketValues)((pointer)pCounter, pnewltval, pnewgtval); + } +} + +/* + * ***** Resource delete functions + */ + +/* ARGSUSED */ +static int +FreeAlarm(void *addr, XID id) +{ + SyncAlarm *pAlarm = (SyncAlarm *) addr; + + pAlarm->state = XSyncAlarmDestroyed; + + SyncSendAlarmNotifyEvents(pAlarm); + + /* delete event selections */ + + while (pAlarm->pEventClients) + FreeResource(pAlarm->pEventClients->delete_id, RT_NONE); + + SyncDeleteTriggerFromSyncObject(&pAlarm->trigger); + + free(pAlarm); + return Success; +} + + +/* + * ** Cleanup after the destruction of a Counter + */ +/* ARGSUSED */ +static int +FreeCounter(void *env, XID id) +{ + SyncCounter *pCounter = (SyncCounter *) env; + SyncTriggerList *ptl, *pnext; + + pCounter->sync.beingDestroyed = TRUE; + /* tell all the counter's triggers that the counter has been destroyed */ + for (ptl = pCounter->sync.pTriglist; ptl; ptl = pnext) + { + (*ptl->pTrigger->CounterDestroyed)(ptl->pTrigger); + pnext = ptl->next; + free(ptl); /* destroy the trigger list as we go */ + } + if (IsSystemCounter(pCounter)) + { + int i, found = 0; + + free(pCounter->pSysCounterInfo); + + /* find the counter in the list of system counters and remove it */ + + if (SysCounterList) + { + for (i = 0; i < SyncNumSystemCounters; i++) + { + if (SysCounterList[i] == pCounter) + { + found = i; + break; + } + } + if (found < (SyncNumSystemCounters-1)) + { + for (i = found; i < SyncNumSystemCounters-1; i++) + { + SysCounterList[i] = SysCounterList[i+1]; + } + } + } + SyncNumSystemCounters--; + } + free(pCounter); + return Success; +} + +/* + * ** Cleanup after Await + */ +/* ARGSUSED */ +static int +FreeAwait(void *addr, XID id) +{ + SyncAwaitUnion *pAwaitUnion = (SyncAwaitUnion *) addr; + SyncAwait *pAwait; + int numwaits; + + pAwait = &(pAwaitUnion+1)->await; /* first await on list */ + + /* remove triggers from counters */ + + for (numwaits = pAwaitUnion->header.num_waitconditions; numwaits; + numwaits--, pAwait++) + { + /* If the counter is being destroyed, FreeCounter will delete + * the trigger list itself, so don't do it here. + */ + SyncObject *pSync = pAwait->trigger.pSync; + if (pSync && !pSync->beingDestroyed) + SyncDeleteTriggerFromSyncObject(&pAwait->trigger); + } + free(pAwaitUnion); + return Success; +} + +/* loosely based on dix/events.c/OtherClientGone */ +static int +FreeAlarmClient(void *value, XID id) +{ + SyncAlarm *pAlarm = (SyncAlarm *)value; + SyncAlarmClientList *pCur, *pPrev; + + for (pPrev = NULL, pCur = pAlarm->pEventClients; + pCur; + pPrev = pCur, pCur = pCur->next) + { + if (pCur->delete_id == id) + { + if (pPrev) + pPrev->next = pCur->next; + else + pAlarm->pEventClients = pCur->next; + free(pCur); + return Success; + } + } + FatalError("alarm client not on event list"); + /*NOTREACHED*/ +} + + +/* + * ***** Proc functions + */ + + +/* + * ** Initialize the extension + */ +static int +ProcSyncInitialize(ClientPtr client) +{ + xSyncInitializeReply rep; + int n; + + REQUEST_SIZE_MATCH(xSyncInitializeReq); + + memset(&rep, 0, sizeof(xSyncInitializeReply)); + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.majorVersion = SERVER_SYNC_MAJOR_VERSION; + rep.minorVersion = SERVER_SYNC_MINOR_VERSION; + rep.length = 0; + + if (client->swapped) + { + swaps(&rep.sequenceNumber, n); + } + WriteToClient(client, sizeof(rep), (char *) &rep); + return Success; +} + +/* + * ** Get list of system counters available through the extension + */ +static int +ProcSyncListSystemCounters(ClientPtr client) +{ + xSyncListSystemCountersReply rep; + int i, len; + xSyncSystemCounter *list = NULL, *walklist = NULL; + + REQUEST_SIZE_MATCH(xSyncListSystemCountersReq); + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.nCounters = SyncNumSystemCounters; + + for (i = len = 0; i < SyncNumSystemCounters; i++) + { + char *name = SysCounterList[i]->pSysCounterInfo->name; + /* pad to 4 byte boundary */ + len += pad_to_int32(sz_xSyncSystemCounter + strlen(name)); + } + + if (len) + { + walklist = list = malloc(len); + if (!list) + return BadAlloc; + } + + rep.length = bytes_to_int32(len); + + if (client->swapped) + { + char n; + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swapl(&rep.nCounters, n); + } + + for (i = 0; i < SyncNumSystemCounters; i++) + { + int namelen; + char *pname_in_reply; + SysCounterInfo *psci = SysCounterList[i]->pSysCounterInfo; + + walklist->counter = SysCounterList[i]->sync.id; + walklist->resolution_hi = XSyncValueHigh32(psci->resolution); + walklist->resolution_lo = XSyncValueLow32(psci->resolution); + namelen = strlen(psci->name); + walklist->name_length = namelen; + + if (client->swapped) + { + char n; + swapl(&walklist->counter, n); + swapl(&walklist->resolution_hi, n); + swapl(&walklist->resolution_lo, n); + swaps(&walklist->name_length, n); + } + + pname_in_reply = ((char *)walklist) + sz_xSyncSystemCounter; + strncpy(pname_in_reply, psci->name, namelen); + walklist = (xSyncSystemCounter *) (((char *)walklist) + + pad_to_int32(sz_xSyncSystemCounter + namelen)); + } + + WriteToClient(client, sizeof(rep), (char *) &rep); + if (len) + { + WriteToClient(client, len, (char *) list); + free(list); + } + + return Success; +} + +/* + * ** Set client Priority + */ +static int +ProcSyncSetPriority(ClientPtr client) +{ + REQUEST(xSyncSetPriorityReq); + ClientPtr priorityclient; + int rc; + + REQUEST_SIZE_MATCH(xSyncSetPriorityReq); + + if (stuff->id == None) + priorityclient = client; + else { + rc = dixLookupClient(&priorityclient, stuff->id, client, + DixSetAttrAccess); + if (rc != Success) + return rc; + } + + if (priorityclient->priority != stuff->priority) + { + priorityclient->priority = stuff->priority; + + /* The following will force the server back into WaitForSomething + * so that the change in this client's priority is immediately + * reflected. + */ + isItTimeToYield = TRUE; + dispatchException |= DE_PRIORITYCHANGE; + } + return Success; +} + +/* + * ** Get client Priority + */ +static int +ProcSyncGetPriority(ClientPtr client) +{ + REQUEST(xSyncGetPriorityReq); + xSyncGetPriorityReply rep; + ClientPtr priorityclient; + int rc; + + REQUEST_SIZE_MATCH(xSyncGetPriorityReq); + + if (stuff->id == None) + priorityclient = client; + else { + rc = dixLookupClient(&priorityclient, stuff->id, client, + DixGetAttrAccess); + if (rc != Success) + return rc; + } + + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.priority = priorityclient->priority; + + if (client->swapped) + { + char n; + swaps(&rep.sequenceNumber, n); + swapl(&rep.priority, n); + } + + WriteToClient(client, sizeof(xSyncGetPriorityReply), (char *) &rep); + + return Success; +} + +/* + * ** Create a new counter + */ +static int +ProcSyncCreateCounter(ClientPtr client) +{ + REQUEST(xSyncCreateCounterReq); + CARD64 initial; + + REQUEST_SIZE_MATCH(xSyncCreateCounterReq); + + LEGAL_NEW_RESOURCE(stuff->cid, client); + + XSyncIntsToValue(&initial, stuff->initial_value_lo, stuff->initial_value_hi); + if (!SyncCreateCounter(client, stuff->cid, initial)) + return BadAlloc; + + return Success; +} + +/* + * ** Set Counter value + */ +static int +ProcSyncSetCounter(ClientPtr client) +{ + REQUEST(xSyncSetCounterReq); + SyncCounter *pCounter; + CARD64 newvalue; + int rc; + + REQUEST_SIZE_MATCH(xSyncSetCounterReq); + + rc = dixLookupResourceByType((pointer *)&pCounter, stuff->cid, RTCounter, + client, DixWriteAccess); + if (rc != Success) + return rc; + + if (IsSystemCounter(pCounter)) + { + client->errorValue = stuff->cid; + return BadAccess; + } + + XSyncIntsToValue(&newvalue, stuff->value_lo, stuff->value_hi); + SyncChangeCounter(pCounter, newvalue); + return Success; +} + +/* + * ** Change Counter value + */ +static int +ProcSyncChangeCounter(ClientPtr client) +{ + REQUEST(xSyncChangeCounterReq); + SyncCounter *pCounter; + CARD64 newvalue; + Bool overflow; + int rc; + + REQUEST_SIZE_MATCH(xSyncChangeCounterReq); + + rc = dixLookupResourceByType((pointer *)&pCounter, stuff->cid, RTCounter, + client, DixWriteAccess); + if (rc != Success) + return rc; + + if (IsSystemCounter(pCounter)) + { + client->errorValue = stuff->cid; + return BadAccess; + } + + XSyncIntsToValue(&newvalue, stuff->value_lo, stuff->value_hi); + XSyncValueAdd(&newvalue, pCounter->value, newvalue, &overflow); + if (overflow) + { + /* XXX 64 bit value can't fit in 32 bits; do the best we can */ + client->errorValue = stuff->value_hi; + return BadValue; + } + SyncChangeCounter(pCounter, newvalue); + return Success; +} + +/* + * ** Destroy a counter + */ +static int +ProcSyncDestroyCounter(ClientPtr client) +{ + REQUEST(xSyncDestroyCounterReq); + SyncCounter *pCounter; + int rc; + + REQUEST_SIZE_MATCH(xSyncDestroyCounterReq); + + rc = dixLookupResourceByType((pointer *)&pCounter, stuff->counter, RTCounter, + client, DixDestroyAccess); + if (rc != Success) + return rc; + + if (IsSystemCounter(pCounter)) + { + client->errorValue = stuff->counter; + return BadAccess; + } + FreeResource(pCounter->sync.id, RT_NONE); + return Success; +} + +static SyncAwaitUnion* +SyncAwaitPrologue(ClientPtr client, int items) +{ + SyncAwaitUnion *pAwaitUnion; + + /* all the memory for the entire await list is allocated + * here in one chunk + */ + pAwaitUnion = malloc((items+1) * sizeof(SyncAwaitUnion)); + if (!pAwaitUnion) + return NULL; + + /* first item is the header, remainder are real wait conditions */ + + pAwaitUnion->header.delete_id = FakeClientID(client->index); + pAwaitUnion->header.client = client; + pAwaitUnion->header.num_waitconditions = 0; + + if (!AddResource(pAwaitUnion->header.delete_id, RTAwait, pAwaitUnion)) + return NULL; + + return pAwaitUnion; +} + +static void +SyncAwaitEpilogue(ClientPtr client, int items, SyncAwaitUnion *pAwaitUnion) +{ + SyncAwait *pAwait; + int i; + + IgnoreClient(client); + + /* see if any of the triggers are already true */ + + pAwait = &(pAwaitUnion+1)->await; /* skip over header */ + for (i = 0; i < items; i++, pAwait++) + { + CARD64 value; + + /* don't have to worry about NULL counters because the request + * errors before we get here out if they occur + */ + switch (pAwait->trigger.pSync->type) { + case SYNC_COUNTER: + value = ((SyncCounter *)pAwait->trigger.pSync)->value; + break; + default: + XSyncIntToValue(&value, 0); + } + + if ((*pAwait->trigger.CheckTrigger)(&pAwait->trigger, value)) + { + (*pAwait->trigger.TriggerFired)(&pAwait->trigger); + break; /* once is enough */ + } + } +} + +/* + * ** Await + */ +static int +ProcSyncAwait(ClientPtr client) +{ + REQUEST(xSyncAwaitReq); + int len, items; + int i; + xSyncWaitCondition *pProtocolWaitConds; + SyncAwaitUnion *pAwaitUnion; + SyncAwait *pAwait; + int status; + + REQUEST_AT_LEAST_SIZE(xSyncAwaitReq); + + len = client->req_len << 2; + len -= sz_xSyncAwaitReq; + items = len / sz_xSyncWaitCondition; + + if (items * sz_xSyncWaitCondition != len) + { + return BadLength; + } + if (items == 0) + { + client->errorValue = items; /* XXX protocol change */ + return BadValue; + } + + if (!(pAwaitUnion = SyncAwaitPrologue(client, items))) + return BadAlloc; + + /* don't need to do any more memory allocation for this request! */ + + pProtocolWaitConds = (xSyncWaitCondition *) & stuff[1]; + + pAwait = &(pAwaitUnion+1)->await; /* skip over header */ + for (i = 0; i < items; i++, pProtocolWaitConds++, pAwait++) + { + if (pProtocolWaitConds->counter == None) /* XXX protocol change */ + { + /* this should take care of removing any triggers created by + * this request that have already been registered on sync objects + */ + FreeResource(pAwaitUnion->header.delete_id, RT_NONE); + client->errorValue = pProtocolWaitConds->counter; + return SyncErrorBase + XSyncBadCounter; + } + + /* sanity checks are in SyncInitTrigger */ + pAwait->trigger.pSync = NULL; + pAwait->trigger.value_type = pProtocolWaitConds->value_type; + XSyncIntsToValue(&pAwait->trigger.wait_value, + pProtocolWaitConds->wait_value_lo, + pProtocolWaitConds->wait_value_hi); + pAwait->trigger.test_type = pProtocolWaitConds->test_type; + + status = SyncInitTrigger(client, &pAwait->trigger, + pProtocolWaitConds->counter, RTCounter, + XSyncCAAllTrigger); + if (status != Success) + { + /* this should take care of removing any triggers created by + * this request that have already been registered on sync objects + */ + FreeResource(pAwaitUnion->header.delete_id, RT_NONE); + return status; + } + /* this is not a mistake -- same function works for both cases */ + pAwait->trigger.TriggerFired = SyncAwaitTriggerFired; + pAwait->trigger.CounterDestroyed = SyncAwaitTriggerFired; + XSyncIntsToValue(&pAwait->event_threshold, + pProtocolWaitConds->event_threshold_lo, + pProtocolWaitConds->event_threshold_hi); + pAwait->pHeader = &pAwaitUnion->header; + pAwaitUnion->header.num_waitconditions++; + } + + SyncAwaitEpilogue(client, items, pAwaitUnion); + + return Success; +} + + +/* + * ** Query a counter + */ +static int +ProcSyncQueryCounter(ClientPtr client) +{ + REQUEST(xSyncQueryCounterReq); + xSyncQueryCounterReply rep; + SyncCounter *pCounter; + int rc; + + REQUEST_SIZE_MATCH(xSyncQueryCounterReq); + + rc = dixLookupResourceByType((pointer *)&pCounter, stuff->counter, + RTCounter, client, DixReadAccess); + if (rc != Success) + return rc; + + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + + /* if system counter, ask it what the current value is */ + + if (IsSystemCounter(pCounter)) + { + (*pCounter->pSysCounterInfo->QueryValue) ((pointer) pCounter, + &pCounter->value); + } + + rep.value_hi = XSyncValueHigh32(pCounter->value); + rep.value_lo = XSyncValueLow32(pCounter->value); + if (client->swapped) + { + char n; + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swapl(&rep.value_hi, n); + swapl(&rep.value_lo, n); + } + WriteToClient(client, sizeof(xSyncQueryCounterReply), (char *) &rep); + return Success; +} + + +/* + * ** Create Alarm + */ +static int +ProcSyncCreateAlarm(ClientPtr client) +{ + REQUEST(xSyncCreateAlarmReq); + SyncAlarm *pAlarm; + int status; + unsigned long len, vmask; + SyncTrigger *pTrigger; + + REQUEST_AT_LEAST_SIZE(xSyncCreateAlarmReq); + + LEGAL_NEW_RESOURCE(stuff->id, client); + + vmask = stuff->valueMask; + len = client->req_len - bytes_to_int32(sizeof(xSyncCreateAlarmReq)); + /* the "extra" call to Ones accounts for the presence of 64 bit values */ + if (len != (Ones(vmask) + Ones(vmask & (XSyncCAValue|XSyncCADelta)))) + return BadLength; + + if (!(pAlarm = malloc(sizeof(SyncAlarm)))) + { + return BadAlloc; + } + + /* set up defaults */ + + pTrigger = &pAlarm->trigger; + pTrigger->pSync = NULL; + pTrigger->value_type = XSyncAbsolute; + XSyncIntToValue(&pTrigger->wait_value, 0L); + pTrigger->test_type = XSyncPositiveComparison; + pTrigger->TriggerFired = SyncAlarmTriggerFired; + pTrigger->CounterDestroyed = SyncAlarmCounterDestroyed; + status = SyncInitTrigger(client, pTrigger, None, RTCounter, + XSyncCAAllTrigger); + if (status != Success) + { + free(pAlarm); + return status; + } + + pAlarm->client = client; + pAlarm->alarm_id = stuff->id; + XSyncIntToValue(&pAlarm->delta, 1L); + pAlarm->events = TRUE; + pAlarm->state = XSyncAlarmInactive; + pAlarm->pEventClients = NULL; + status = SyncChangeAlarmAttributes(client, pAlarm, vmask, + (CARD32 *)&stuff[1]); + if (status != Success) + { + free(pAlarm); + return status; + } + + if (!AddResource(stuff->id, RTAlarm, pAlarm)) + return BadAlloc; + + /* see if alarm already triggered. NULL counter will not trigger + * in CreateAlarm and sets alarm state to Inactive. + */ + + if (!pTrigger->pSync) + { + pAlarm->state = XSyncAlarmInactive; /* XXX protocol change */ + } + else + { + SyncCounter *pCounter; + + if (!SyncCheckWarnIsCounter(pTrigger->pSync, + WARN_INVALID_COUNTER_ALARM)) + { + FreeResource(stuff->id, RT_NONE); + return BadAlloc; + } + + pCounter = (SyncCounter *)pTrigger->pSync; + + if ((*pTrigger->CheckTrigger)(pTrigger, pCounter->value)) + (*pTrigger->TriggerFired)(pTrigger); + } + + return Success; +} + +/* + * ** Change Alarm + */ +static int +ProcSyncChangeAlarm(ClientPtr client) +{ + REQUEST(xSyncChangeAlarmReq); + SyncAlarm *pAlarm; + SyncCounter *pCounter = NULL; + long vmask; + int len, status; + + REQUEST_AT_LEAST_SIZE(xSyncChangeAlarmReq); + + status = dixLookupResourceByType((pointer *)&pAlarm, stuff->alarm, RTAlarm, + client, DixWriteAccess); + if (status != Success) + return status; + + vmask = stuff->valueMask; + len = client->req_len - bytes_to_int32(sizeof(xSyncChangeAlarmReq)); + /* the "extra" call to Ones accounts for the presence of 64 bit values */ + if (len != (Ones(vmask) + Ones(vmask & (XSyncCAValue|XSyncCADelta)))) + return BadLength; + + if ((status = SyncChangeAlarmAttributes(client, pAlarm, vmask, + (CARD32 *)&stuff[1])) != Success) + return status; + + if (SyncCheckWarnIsCounter(pAlarm->trigger.pSync, + WARN_INVALID_COUNTER_ALARM)) + pCounter = (SyncCounter *)pAlarm->trigger.pSync; + + /* see if alarm already triggered. NULL counter WILL trigger + * in ChangeAlarm. + */ + + if (!pCounter || + (*pAlarm->trigger.CheckTrigger)(&pAlarm->trigger, pCounter->value)) + { + (*pAlarm->trigger.TriggerFired)(&pAlarm->trigger); + } + return Success; +} + +static int +ProcSyncQueryAlarm(ClientPtr client) +{ + REQUEST(xSyncQueryAlarmReq); + SyncAlarm *pAlarm; + xSyncQueryAlarmReply rep; + SyncTrigger *pTrigger; + int rc; + + REQUEST_SIZE_MATCH(xSyncQueryAlarmReq); + + rc = dixLookupResourceByType((pointer *)&pAlarm, stuff->alarm, RTAlarm, + client, DixReadAccess); + if (rc != Success) + return rc; + + rep.type = X_Reply; + rep.length = bytes_to_int32(sizeof(xSyncQueryAlarmReply) - sizeof(xGenericReply)); + rep.sequenceNumber = client->sequence; + + pTrigger = &pAlarm->trigger; + rep.counter = (pTrigger->pSync) ? pTrigger->pSync->id : None; + +#if 0 /* XXX unclear what to do, depends on whether relative value-types + * are "consumed" immediately and are considered absolute from then + * on. + */ + rep.value_type = pTrigger->value_type; + rep.wait_value_hi = XSyncValueHigh32(pTrigger->wait_value); + rep.wait_value_lo = XSyncValueLow32(pTrigger->wait_value); +#else + rep.value_type = XSyncAbsolute; + rep.wait_value_hi = XSyncValueHigh32(pTrigger->test_value); + rep.wait_value_lo = XSyncValueLow32(pTrigger->test_value); +#endif + + rep.test_type = pTrigger->test_type; + rep.delta_hi = XSyncValueHigh32(pAlarm->delta); + rep.delta_lo = XSyncValueLow32(pAlarm->delta); + rep.events = pAlarm->events; + rep.state = pAlarm->state; + + if (client->swapped) + { + char n; + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swapl(&rep.counter, n); + swapl(&rep.wait_value_hi, n); + swapl(&rep.wait_value_lo, n); + swapl(&rep.test_type, n); + swapl(&rep.delta_hi, n); + swapl(&rep.delta_lo, n); + } + + WriteToClient(client, sizeof(xSyncQueryAlarmReply), (char *) &rep); + return Success; +} + +static int +ProcSyncDestroyAlarm(ClientPtr client) +{ + SyncAlarm *pAlarm; + int rc; + REQUEST(xSyncDestroyAlarmReq); + + REQUEST_SIZE_MATCH(xSyncDestroyAlarmReq); + + rc = dixLookupResourceByType((pointer *)&pAlarm, stuff->alarm, RTAlarm, + client, DixDestroyAccess); + if (rc != Success) + return rc; + + FreeResource(stuff->alarm, RT_NONE); + return Success; +} + +static int +ProcSyncCreateFence(ClientPtr client) +{ + REQUEST(xSyncCreateFenceReq); + DrawablePtr pDraw; + SyncFence *pFence; + int rc; + + REQUEST_SIZE_MATCH(xSyncCreateFenceReq); + + rc = dixLookupDrawable(&pDraw, stuff->d, client, M_ANY, DixGetAttrAccess); + if (rc != Success) + return rc; + + LEGAL_NEW_RESOURCE(stuff->fid, client); + + if (!(pFence = (SyncFence *)SyncCreate(client, + stuff->fid, + SYNC_FENCE))) + return BadAlloc; + + miSyncInitFence(pDraw->pScreen, pFence, stuff->initially_triggered); + + if (!AddResource(stuff->fid, RTFence, (pointer) pFence)) + return BadAlloc; + + return client->noClientException; +} + +static int +FreeFence(void *obj, XID id) +{ + SyncFence *pFence = (SyncFence *) obj; + + miSyncDestroyFence(pFence); + + return Success; +} + +int SyncVerifyFence(SyncFence **ppSyncFence, XID fid, + ClientPtr client, Mask mode) +{ + int rc = dixLookupResourceByType((pointer *)ppSyncFence, fid, RTFence, + client, mode); + + if (rc != Success) + client->errorValue = fid; + + return rc; +} + +static int +ProcSyncTriggerFence(ClientPtr client) +{ + REQUEST(xSyncTriggerFenceReq); + SyncFence *pFence; + int rc; + + REQUEST_SIZE_MATCH(xSyncTriggerFenceReq); + + rc = dixLookupResourceByType((pointer *)&pFence, stuff->fid, RTFence, + client, DixWriteAccess); + if (rc != Success) + return rc; + + miSyncTriggerFence(pFence); + + return client->noClientException; +} + +static int +ProcSyncResetFence(ClientPtr client) +{ + REQUEST(xSyncResetFenceReq); + SyncFence *pFence; + int rc; + + REQUEST_SIZE_MATCH(xSyncResetFenceReq); + + rc = dixLookupResourceByType((pointer *)&pFence, stuff->fid, RTFence, + client, DixWriteAccess); + if (rc != Success) + return rc; + + if (pFence->funcs.CheckTriggered(pFence) != TRUE) + return BadMatch; + + pFence->funcs.Reset(pFence); + + return client->noClientException; +} + +static int +ProcSyncDestroyFence(ClientPtr client) +{ + REQUEST(xSyncDestroyFenceReq); + SyncFence *pFence; + int rc; + + REQUEST_SIZE_MATCH(xSyncDestroyFenceReq); + + rc = dixLookupResourceByType((pointer *)&pFence, stuff->fid, RTFence, + client, DixDestroyAccess); + if (rc != Success) + return rc; + + FreeResource(stuff->fid, RT_NONE); + return client->noClientException; +} + +static int +ProcSyncQueryFence(ClientPtr client) +{ + REQUEST(xSyncQueryFenceReq); + xSyncQueryFenceReply rep; + SyncFence *pFence; + int rc; + + REQUEST_SIZE_MATCH(xSyncQueryFenceReq); + + rc = dixLookupResourceByType((pointer *)&pFence, stuff->fid, + RTFence, client, DixReadAccess); + if (rc != Success) + return rc; + + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + + rep.triggered = pFence->funcs.CheckTriggered(pFence); + + if (client->swapped) + { + char n; + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + } + + WriteToClient(client, sizeof(xSyncQueryFenceReply), (char *) &rep); + return client->noClientException; +} + +static int +ProcSyncAwaitFence(ClientPtr client) +{ + REQUEST(xSyncAwaitFenceReq); + SyncAwaitUnion *pAwaitUnion; + SyncAwait *pAwait; + /* Use CARD32 rather than XSyncFence because XIDs are hard-coded to + * CARD32 in protocol definitions */ + CARD32 *pProtocolFences; + int status; + int len; + int items; + int i; + + REQUEST_AT_LEAST_SIZE(xSyncAwaitFenceReq); + + len = client->req_len << 2; + len -= sz_xSyncAwaitFenceReq; + items = len / sizeof(CARD32); + + if (items * sizeof(CARD32) != len) + { + return BadLength; + } + if (items == 0) + { + client->errorValue = items; + return BadValue; + } + + if (!(pAwaitUnion = SyncAwaitPrologue(client, items))) + return BadAlloc; + + /* don't need to do any more memory allocation for this request! */ + + pProtocolFences = (CARD32 *) & stuff[1]; + + pAwait = &(pAwaitUnion+1)->await; /* skip over header */ + for (i = 0; i < items; i++, pProtocolFences++, pAwait++) + { + if (*pProtocolFences == None) + { + /* this should take care of removing any triggers created by + * this request that have already been registered on sync objects + */ + FreeResource(pAwaitUnion->header.delete_id, RT_NONE); + client->errorValue = *pProtocolFences; + return SyncErrorBase + XSyncBadFence; + } + + pAwait->trigger.pSync = NULL; + /* Provide acceptable values for these unused fields to + * satisfy SyncInitTrigger's validation logic + */ + pAwait->trigger.value_type = XSyncAbsolute; + XSyncIntToValue(&pAwait->trigger.wait_value, 0); + pAwait->trigger.test_type = 0; + + status = SyncInitTrigger(client, &pAwait->trigger, + *pProtocolFences, RTFence, + XSyncCAAllTrigger); + if (status != Success) + { + /* this should take care of removing any triggers created by + * this request that have already been registered on sync objects + */ + FreeResource(pAwaitUnion->header.delete_id, RT_NONE); + return status; + } + /* this is not a mistake -- same function works for both cases */ + pAwait->trigger.TriggerFired = SyncAwaitTriggerFired; + pAwait->trigger.CounterDestroyed = SyncAwaitTriggerFired; + /* event_threshold is unused for fence syncs */ + XSyncIntToValue(&pAwait->event_threshold, 0); + pAwait->pHeader = &pAwaitUnion->header; + pAwaitUnion->header.num_waitconditions++; + } + + SyncAwaitEpilogue(client, items, pAwaitUnion); + + return client->noClientException; +} + +/* + * ** Given an extension request, call the appropriate request procedure + */ +static int +ProcSyncDispatch(ClientPtr client) +{ + REQUEST(xReq); + + switch (stuff->data) + { + case X_SyncInitialize: + return ProcSyncInitialize(client); + case X_SyncListSystemCounters: + return ProcSyncListSystemCounters(client); + case X_SyncCreateCounter: + return ProcSyncCreateCounter(client); + case X_SyncSetCounter: + return ProcSyncSetCounter(client); + case X_SyncChangeCounter: + return ProcSyncChangeCounter(client); + case X_SyncQueryCounter: + return ProcSyncQueryCounter(client); + case X_SyncDestroyCounter: + return ProcSyncDestroyCounter(client); + case X_SyncAwait: + return ProcSyncAwait(client); + case X_SyncCreateAlarm: + return ProcSyncCreateAlarm(client); + case X_SyncChangeAlarm: + return ProcSyncChangeAlarm(client); + case X_SyncQueryAlarm: + return ProcSyncQueryAlarm(client); + case X_SyncDestroyAlarm: + return ProcSyncDestroyAlarm(client); + case X_SyncSetPriority: + return ProcSyncSetPriority(client); + case X_SyncGetPriority: + return ProcSyncGetPriority(client); + case X_SyncCreateFence: + return ProcSyncCreateFence(client); + case X_SyncTriggerFence: + return ProcSyncTriggerFence(client); + case X_SyncResetFence: + return ProcSyncResetFence(client); + case X_SyncDestroyFence: + return ProcSyncDestroyFence(client); + case X_SyncQueryFence: + return ProcSyncQueryFence(client); + case X_SyncAwaitFence: + return ProcSyncAwaitFence(client); + default: + return BadRequest; + } +} + +/* + * Boring Swapping stuff ... + */ + +static int +SProcSyncInitialize(ClientPtr client) +{ + REQUEST(xSyncInitializeReq); + char n; + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH (xSyncInitializeReq); + + return ProcSyncInitialize(client); +} + +static int +SProcSyncListSystemCounters(ClientPtr client) +{ + REQUEST(xSyncListSystemCountersReq); + char n; + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH (xSyncListSystemCountersReq); + + return ProcSyncListSystemCounters(client); +} + +static int +SProcSyncCreateCounter(ClientPtr client) +{ + REQUEST(xSyncCreateCounterReq); + char n; + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH (xSyncCreateCounterReq); + swapl(&stuff->cid, n); + swapl(&stuff->initial_value_lo, n); + swapl(&stuff->initial_value_hi, n); + + return ProcSyncCreateCounter(client); +} + +static int +SProcSyncSetCounter(ClientPtr client) +{ + REQUEST(xSyncSetCounterReq); + char n; + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH (xSyncSetCounterReq); + swapl(&stuff->cid, n); + swapl(&stuff->value_lo, n); + swapl(&stuff->value_hi, n); + + return ProcSyncSetCounter(client); +} + +static int +SProcSyncChangeCounter(ClientPtr client) +{ + REQUEST(xSyncChangeCounterReq); + char n; + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH (xSyncChangeCounterReq); + swapl(&stuff->cid, n); + swapl(&stuff->value_lo, n); + swapl(&stuff->value_hi, n); + + return ProcSyncChangeCounter(client); +} + +static int +SProcSyncQueryCounter(ClientPtr client) +{ + REQUEST(xSyncQueryCounterReq); + char n; + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH (xSyncQueryCounterReq); + swapl(&stuff->counter, n); + + return ProcSyncQueryCounter(client); +} + +static int +SProcSyncDestroyCounter(ClientPtr client) +{ + REQUEST(xSyncDestroyCounterReq); + char n; + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH (xSyncDestroyCounterReq); + swapl(&stuff->counter, n); + + return ProcSyncDestroyCounter(client); +} + +static int +SProcSyncAwait(ClientPtr client) +{ + REQUEST(xSyncAwaitReq); + char n; + + swaps(&stuff->length, n); + REQUEST_AT_LEAST_SIZE(xSyncAwaitReq); + SwapRestL(stuff); + + return ProcSyncAwait(client); +} + +static int +SProcSyncCreateAlarm(ClientPtr client) +{ + REQUEST(xSyncCreateAlarmReq); + char n; + + swaps(&stuff->length, n); + REQUEST_AT_LEAST_SIZE(xSyncCreateAlarmReq); + swapl(&stuff->id, n); + swapl(&stuff->valueMask, n); + SwapRestL(stuff); + + return ProcSyncCreateAlarm(client); +} + +static int +SProcSyncChangeAlarm(ClientPtr client) +{ + REQUEST(xSyncChangeAlarmReq); + char n; + + swaps(&stuff->length, n); + REQUEST_AT_LEAST_SIZE(xSyncChangeAlarmReq); + swapl(&stuff->alarm, n); + swapl(&stuff->valueMask, n); + SwapRestL(stuff); + return ProcSyncChangeAlarm(client); +} + +static int +SProcSyncQueryAlarm(ClientPtr client) +{ + REQUEST(xSyncQueryAlarmReq); + char n; + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH (xSyncQueryAlarmReq); + swapl(&stuff->alarm, n); + + return ProcSyncQueryAlarm(client); +} + +static int +SProcSyncDestroyAlarm(ClientPtr client) +{ + REQUEST(xSyncDestroyAlarmReq); + char n; + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH (xSyncDestroyAlarmReq); + swapl(&stuff->alarm, n); + + return ProcSyncDestroyAlarm(client); +} + +static int +SProcSyncSetPriority(ClientPtr client) +{ + REQUEST(xSyncSetPriorityReq); + char n; + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH (xSyncSetPriorityReq); + swapl(&stuff->id, n); + swapl(&stuff->priority, n); + + return ProcSyncSetPriority(client); +} + +static int +SProcSyncGetPriority(ClientPtr client) +{ + REQUEST(xSyncGetPriorityReq); + char n; + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH (xSyncGetPriorityReq); + swapl(&stuff->id, n); + + return ProcSyncGetPriority(client); +} + +static int +SProcSyncCreateFence(ClientPtr client) +{ + REQUEST(xSyncCreateFenceReq); + char n; + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH (xSyncCreateFenceReq); + swapl(&stuff->fid, n); + + return ProcSyncCreateFence(client); +} + +static int +SProcSyncTriggerFence(ClientPtr client) +{ + REQUEST(xSyncTriggerFenceReq); + char n; + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH (xSyncTriggerFenceReq); + swapl(&stuff->fid, n); + + return ProcSyncTriggerFence(client); +} + +static int +SProcSyncResetFence(ClientPtr client) +{ + REQUEST(xSyncResetFenceReq); + char n; + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH (xSyncResetFenceReq); + swapl(&stuff->fid, n); + + return ProcSyncResetFence(client); +} + +static int +SProcSyncDestroyFence(ClientPtr client) +{ + REQUEST(xSyncDestroyFenceReq); + char n; + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH (xSyncDestroyFenceReq); + swapl(&stuff->fid, n); + + return ProcSyncDestroyFence(client); +} + +static int +SProcSyncQueryFence(ClientPtr client) +{ + REQUEST(xSyncQueryFenceReq); + char n; + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH (xSyncQueryFenceReq); + swapl(&stuff->fid, n); + + return ProcSyncQueryFence(client); +} + +static int +SProcSyncAwaitFence(ClientPtr client) +{ + REQUEST(xSyncAwaitFenceReq); + char n; + + swaps(&stuff->length, n); + REQUEST_AT_LEAST_SIZE(xSyncAwaitFenceReq); + SwapRestL(stuff); + + return ProcSyncAwaitFence(client); +} + +static int +SProcSyncDispatch(ClientPtr client) +{ + REQUEST(xReq); + + switch (stuff->data) + { + case X_SyncInitialize: + return SProcSyncInitialize(client); + case X_SyncListSystemCounters: + return SProcSyncListSystemCounters(client); + case X_SyncCreateCounter: + return SProcSyncCreateCounter(client); + case X_SyncSetCounter: + return SProcSyncSetCounter(client); + case X_SyncChangeCounter: + return SProcSyncChangeCounter(client); + case X_SyncQueryCounter: + return SProcSyncQueryCounter(client); + case X_SyncDestroyCounter: + return SProcSyncDestroyCounter(client); + case X_SyncAwait: + return SProcSyncAwait(client); + case X_SyncCreateAlarm: + return SProcSyncCreateAlarm(client); + case X_SyncChangeAlarm: + return SProcSyncChangeAlarm(client); + case X_SyncQueryAlarm: + return SProcSyncQueryAlarm(client); + case X_SyncDestroyAlarm: + return SProcSyncDestroyAlarm(client); + case X_SyncSetPriority: + return SProcSyncSetPriority(client); + case X_SyncGetPriority: + return SProcSyncGetPriority(client); + case X_SyncCreateFence: + return SProcSyncCreateFence(client); + case X_SyncTriggerFence: + return SProcSyncTriggerFence(client); + case X_SyncResetFence: + return SProcSyncResetFence(client); + case X_SyncDestroyFence: + return SProcSyncDestroyFence(client); + case X_SyncQueryFence: + return SProcSyncQueryFence(client); + case X_SyncAwaitFence: + return SProcSyncAwaitFence(client); + default: + return BadRequest; + } +} + +/* + * Event Swapping + */ + +static void +SCounterNotifyEvent(xSyncCounterNotifyEvent *from, xSyncCounterNotifyEvent *to) +{ + to->type = from->type; + to->kind = from->kind; + cpswaps(from->sequenceNumber, to->sequenceNumber); + cpswapl(from->counter, to->counter); + cpswapl(from->wait_value_lo, to->wait_value_lo); + cpswapl(from->wait_value_hi, to->wait_value_hi); + cpswapl(from->counter_value_lo, to->counter_value_lo); + cpswapl(from->counter_value_hi, to->counter_value_hi); + cpswapl(from->time, to->time); + cpswaps(from->count, to->count); + to->destroyed = from->destroyed; +} + + +static void +SAlarmNotifyEvent(xSyncAlarmNotifyEvent *from, xSyncAlarmNotifyEvent *to) +{ + to->type = from->type; + to->kind = from->kind; + cpswaps(from->sequenceNumber, to->sequenceNumber); + cpswapl(from->alarm, to->alarm); + cpswapl(from->counter_value_lo, to->counter_value_lo); + cpswapl(from->counter_value_hi, to->counter_value_hi); + cpswapl(from->alarm_value_lo, to->alarm_value_lo); + cpswapl(from->alarm_value_hi, to->alarm_value_hi); + cpswapl(from->time, to->time); + to->state = from->state; +} + +/* + * ** Close everything down. ** This is fairly simple for now. + */ +/* ARGSUSED */ +static void +SyncResetProc(ExtensionEntry *extEntry) +{ + free(SysCounterList); + SysCounterList = NULL; + RTCounter = 0; +} + +/* + * ** Initialise the extension. + */ +void +SyncExtensionInit(void) +{ + ExtensionEntry *extEntry; + int s; + + for (s = 0; s < screenInfo.numScreens; s++) + miSyncSetup(screenInfo.screens[s]); + + if (RTCounter == 0) + { + RTCounter = CreateNewResourceType(FreeCounter, "SyncCounter"); + } + RTAlarm = CreateNewResourceType(FreeAlarm, "SyncAlarm"); + RTAwait = CreateNewResourceType(FreeAwait, "SyncAwait"); + RTFence = CreateNewResourceType(FreeFence, "SyncFence"); + if (RTAwait) + RTAwait |= RC_NEVERRETAIN; + RTAlarmClient = CreateNewResourceType(FreeAlarmClient, "SyncAlarmClient"); + if (RTAlarmClient) + RTAlarmClient |= RC_NEVERRETAIN; + + if (RTCounter == 0 || RTAwait == 0 || RTAlarm == 0 || + RTAlarmClient == 0 || + (extEntry = AddExtension(SYNC_NAME, + XSyncNumberEvents, XSyncNumberErrors, + ProcSyncDispatch, SProcSyncDispatch, + SyncResetProc, + StandardMinorOpcode)) == NULL) + { + ErrorF("Sync Extension %d.%d failed to Initialise\n", + SYNC_MAJOR_VERSION, SYNC_MINOR_VERSION); + return; + } + + SyncEventBase = extEntry->eventBase; + SyncErrorBase = extEntry->errorBase; + EventSwapVector[SyncEventBase + XSyncCounterNotify] = (EventSwapPtr) SCounterNotifyEvent; + EventSwapVector[SyncEventBase + XSyncAlarmNotify] = (EventSwapPtr) SAlarmNotifyEvent; + + SetResourceTypeErrorValue(RTCounter, SyncErrorBase + XSyncBadCounter); + SetResourceTypeErrorValue(RTAlarm, SyncErrorBase + XSyncBadAlarm); + SetResourceTypeErrorValue(RTFence, SyncErrorBase + XSyncBadFence); + + /* + * Although SERVERTIME is implemented by the OS layer, we initialise it + * here because doing it in OsInit() is too early. The resource database + * is not initialised when OsInit() is called. This is just about OK + * because there is always a servertime counter. + */ + SyncInitServerTime(); + SyncInitIdleTime(); + +#ifdef DEBUG + fprintf(stderr, "Sync Extension %d.%d\n", + SYNC_MAJOR_VERSION, SYNC_MINOR_VERSION); +#endif +} + + +/* + * ***** SERVERTIME implementation - should go in its own file in OS directory? + */ + + + +static pointer ServertimeCounter; +static XSyncValue Now; +static XSyncValue *pnext_time; + +#define GetTime()\ +{\ + unsigned long millis = GetTimeInMillis();\ + unsigned long maxis = XSyncValueHigh32(Now);\ + if (millis < XSyncValueLow32(Now)) maxis++;\ + XSyncIntsToValue(&Now, millis, maxis);\ +} + +/* +*** Server Block Handler +*** code inspired by multibuffer extension (now deprecated) + */ +/*ARGSUSED*/ +static void +ServertimeBlockHandler(void *env, struct timeval **wt, void *LastSelectMask) +{ + XSyncValue delay; + unsigned long timeout; + + if (pnext_time) + { + GetTime(); + + if (XSyncValueGreaterOrEqual(Now, *pnext_time)) + { + timeout = 0; + } + else + { + Bool overflow; + XSyncValueSubtract(&delay, *pnext_time, Now, &overflow); + (void)overflow; + timeout = XSyncValueLow32(delay); + } + AdjustWaitForDelay(wt, timeout); /* os/utils.c */ + } +} + +/* +*** Wakeup Handler + */ +/*ARGSUSED*/ +static void +ServertimeWakeupHandler(void *env, int rc, void *LastSelectMask) +{ + if (pnext_time) + { + GetTime(); + + if (XSyncValueGreaterOrEqual(Now, *pnext_time)) + { + SyncChangeCounter(ServertimeCounter, Now); + } + } +} + +static void +ServertimeQueryValue(void *pCounter, CARD64 *pValue_return) +{ + GetTime(); + *pValue_return = Now; +} + +static void +ServertimeBracketValues(void *pCounter, CARD64 *pbracket_less, + CARD64 *pbracket_greater) +{ + if (!pnext_time && pbracket_greater) + { + RegisterBlockAndWakeupHandlers(ServertimeBlockHandler, + ServertimeWakeupHandler, + NULL); + } + else if (pnext_time && !pbracket_greater) + { + RemoveBlockAndWakeupHandlers(ServertimeBlockHandler, + ServertimeWakeupHandler, + NULL); + } + pnext_time = pbracket_greater; +} + +static void +SyncInitServerTime(void) +{ + CARD64 resolution; + + XSyncIntsToValue(&Now, GetTimeInMillis(), 0); + XSyncIntToValue(&resolution, 4); + ServertimeCounter = SyncCreateSystemCounter("SERVERTIME", Now, resolution, + XSyncCounterNeverDecreases, + ServertimeQueryValue, ServertimeBracketValues); + pnext_time = NULL; +} + + + +/* + * IDLETIME implementation + */ + +static SyncCounter *IdleTimeCounter; +static XSyncValue *pIdleTimeValueLess; +static XSyncValue *pIdleTimeValueGreater; + +static void +IdleTimeQueryValue (pointer pCounter, CARD64 *pValue_return) +{ + CARD32 idle = GetTimeInMillis() - lastDeviceEventTime.milliseconds; + XSyncIntsToValue (pValue_return, idle, 0); +} + +static void +IdleTimeBlockHandler(pointer env, struct timeval **wt, pointer LastSelectMask) +{ + XSyncValue idle, old_idle; + SyncTriggerList *list = IdleTimeCounter->sync.pTriglist; + SyncTrigger *trig; + + if (!pIdleTimeValueLess && !pIdleTimeValueGreater) + return; + + old_idle = IdleTimeCounter->value; + IdleTimeQueryValue (NULL, &idle); + IdleTimeCounter->value = idle; /* push, so CheckTrigger works */ + + if (pIdleTimeValueLess && + XSyncValueLessOrEqual (idle, *pIdleTimeValueLess)) + { + /* + * We've been idle for less than the threshold value, and someone + * wants to know about that, but now we need to know whether they + * want level or edge trigger. Check the trigger list against the + * current idle time, and if any succeed, bomb out of select() + * immediately so we can reschedule. + */ + + for (list = IdleTimeCounter->sync.pTriglist; list; list = list->next) { + trig = list->pTrigger; + if (trig->CheckTrigger(trig, old_idle)) { + AdjustWaitForDelay(wt, 0); + break; + } + } + /* + * We've been called exactly on the idle time, but we have a + * NegativeTransition trigger which requires a transition from an + * idle time greater than this. Schedule a wakeup for the next + * millisecond so we won't miss a transition. + */ + if (XSyncValueEqual (idle, *pIdleTimeValueLess)) + AdjustWaitForDelay(wt, 1); + } + else if (pIdleTimeValueGreater) + { + /* + * There's a threshold in the positive direction. If we've been + * idle less than it, schedule a wakeup for sometime in the future. + * If we've been idle more than it, and someone wants to know about + * that level-triggered, schedule an immediate wakeup. + */ + unsigned long timeout = -1; + + if (XSyncValueLessThan (idle, *pIdleTimeValueGreater)) { + XSyncValue value; + Bool overflow; + + XSyncValueSubtract (&value, *pIdleTimeValueGreater, + idle, &overflow); + timeout = min(timeout, XSyncValueLow32 (value)); + } else { + for (list = IdleTimeCounter->sync.pTriglist; list; list = list->next) { + trig = list->pTrigger; + if (trig->CheckTrigger(trig, old_idle)) { + timeout = min(timeout, 0); + break; + } + } + } + + AdjustWaitForDelay (wt, timeout); + } + + IdleTimeCounter->value = old_idle; /* pop */ +} + +static void +IdleTimeWakeupHandler (pointer env, int rc, pointer LastSelectMask) +{ + XSyncValue idle; + + if (!pIdleTimeValueLess && !pIdleTimeValueGreater) + return; + + IdleTimeQueryValue (NULL, &idle); + + if ((pIdleTimeValueGreater && + XSyncValueGreaterOrEqual (idle, *pIdleTimeValueGreater)) || + (pIdleTimeValueLess && + XSyncValueLessOrEqual (idle, *pIdleTimeValueLess))) + { + SyncChangeCounter (IdleTimeCounter, idle); + } +} + +static void +IdleTimeBracketValues (pointer pCounter, CARD64 *pbracket_less, + CARD64 *pbracket_greater) +{ + Bool registered = (pIdleTimeValueLess || pIdleTimeValueGreater); + + if (registered && !pbracket_less && !pbracket_greater) + { + RemoveBlockAndWakeupHandlers(IdleTimeBlockHandler, + IdleTimeWakeupHandler, + NULL); + } + else if (!registered && (pbracket_less || pbracket_greater)) + { + RegisterBlockAndWakeupHandlers(IdleTimeBlockHandler, + IdleTimeWakeupHandler, + NULL); + } + + pIdleTimeValueGreater = pbracket_greater; + pIdleTimeValueLess = pbracket_less; +} + +static void +SyncInitIdleTime (void) +{ + CARD64 resolution; + XSyncValue idle; + + IdleTimeQueryValue (NULL, &idle); + XSyncIntToValue (&resolution, 4); + + IdleTimeCounter = SyncCreateSystemCounter ("IDLETIME", idle, resolution, + XSyncCounterUnrestricted, + IdleTimeQueryValue, + IdleTimeBracketValues); + + pIdleTimeValueLess = pIdleTimeValueGreater = NULL; +} diff --git a/Xext/syncsdk.h b/Xext/syncsdk.h new file mode 100644 index 0000000..a72c585 --- /dev/null +++ b/Xext/syncsdk.h @@ -0,0 +1,47 @@ +/* + * Copyright © 2010 NVIDIA Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#ifndef _SYNCSDK_H_ +#define _SYNCSDK_H_ + +#include "misync.h" + +extern _X_EXPORT int +SyncVerifyFence(SyncFence **ppFence, XID fid, ClientPtr client, Mask mode); + +#define VERIFY_SYNC_FENCE(pFence, fid, client, mode) \ + do { \ + int rc; \ + rc = SyncVerifyFence(&(pFence), (fid), (client), (mode)); \ + if (Success != rc) return rc; \ + } while (0) + +#define VERIFY_SYNC_FENCE_OR_NONE(pFence, fid, client, mode) \ + do { \ + pFence = 0; \ + if (None != fid) \ + VERIFY_SYNC_FENCE((pFence), (fid), (client), (mode)); \ + } while (0) + +#endif /* _SYNCSDK_H_ */ + diff --git a/Xext/syncsrv.h b/Xext/syncsrv.h new file mode 100644 index 0000000..7ca1fba --- /dev/null +++ b/Xext/syncsrv.h @@ -0,0 +1,146 @@ +/* + +Copyright 1991, 1993, 1994, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + +*/ + +/*********************************************************** +Copyright 1991,1993 by Digital Equipment Corporation, Maynard, Massachusetts, +and Olivetti Research Limited, Cambridge, England. + + All Rights Reserved + +Permission to use, copy, modify, and distribute this software and its +documentation for any purpose and without fee is hereby granted, +provided that the above copyright notice appear in all copies and that +both that copyright notice and this permission notice appear in +supporting documentation, and that the names of Digital or Olivetti +not be used in advertising or publicity pertaining to distribution of the +software without specific, written prior permission. + +DIGITAL AND OLIVETTI DISCLAIM ALL WARRANTIES WITH REGARD TO THIS +SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND +FITNESS, IN NO EVENT SHALL THEY BE LIABLE FOR ANY SPECIAL, INDIRECT OR +CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF +USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR +OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR +PERFORMANCE OF THIS SOFTWARE. + +******************************************************************/ + +#ifndef _SYNCSRV_H_ +#define _SYNCSRV_H_ + +#include "misync.h" +#include "misyncstr.h" + +/* + * The System Counter interface + */ + +typedef enum { + XSyncCounterNeverChanges, + XSyncCounterNeverIncreases, + XSyncCounterNeverDecreases, + XSyncCounterUnrestricted +} SyncCounterType; + +typedef struct _SysCounterInfo { + char *name; + CARD64 resolution; + CARD64 bracket_greater; + CARD64 bracket_less; + SyncCounterType counterType; /* how can this counter change */ + void (*QueryValue)( + pointer /*pCounter*/, + CARD64 * /*freshvalue*/ +); + void (*BracketValues)( + pointer /*pCounter*/, + CARD64 * /*lessthan*/, + CARD64 * /*greaterthan*/ +); +} SysCounterInfo; + + + +typedef struct _SyncAlarmClientList { + ClientPtr client; + XID delete_id; + struct _SyncAlarmClientList *next; +} SyncAlarmClientList; + +typedef struct _SyncAlarm { + SyncTrigger trigger; + ClientPtr client; + XSyncAlarm alarm_id; + CARD64 delta; + int events; + int state; + SyncAlarmClientList *pEventClients; +} SyncAlarm; + +typedef struct { + ClientPtr client; + CARD32 delete_id; + int num_waitconditions; +} SyncAwaitHeader; + +typedef struct { + SyncTrigger trigger; + CARD64 event_threshold; + SyncAwaitHeader *pHeader; +} SyncAwait; + +typedef union { + SyncAwaitHeader header; + SyncAwait await; +} SyncAwaitUnion; + +extern pointer SyncCreateSystemCounter( + char * /* name */, + CARD64 /* inital_value */, + CARD64 /* resolution */, + SyncCounterType /* change characterization */, + void (* /*QueryValue*/ ) ( + pointer /* pCounter */, + CARD64 * /* pValue_return */), /* XXX prototype */ + void (* /*BracketValues*/) ( + pointer /* pCounter */, + CARD64 * /* pbracket_less */, + CARD64 * /* pbracket_greater */) +); + +extern void SyncChangeCounter( + SyncCounter * /* pCounter*/, + CARD64 /* new_value */ +); + +extern void SyncDestroySystemCounter( + pointer pCounter +); + +extern void InitServertime(void); + +extern void SyncExtensionInit(void); +#endif /* _SYNCSRV_H_ */ diff --git a/Xext/xace.c b/Xext/xace.c new file mode 100644 index 0000000..c757cad --- /dev/null +++ b/Xext/xace.c @@ -0,0 +1,327 @@ +/************************************************************ + +Author: Eamon Walsh <ewalsh@tycho.nsa.gov> + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +this permission notice appear in supporting documentation. This permission +notice shall be included in all copies or substantial portions of the +Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +********************************************************/ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include <stdarg.h> +#include "scrnintstr.h" +#include "extnsionst.h" +#include "pixmapstr.h" +#include "regionstr.h" +#include "gcstruct.h" +#include "xacestr.h" + +#define XSERV_t +#define TRANS_SERVER +#include <X11/Xtrans/Xtrans.h> +#include "../os/osdep.h" + +_X_EXPORT CallbackListPtr XaceHooks[XACE_NUM_HOOKS] = {0}; + +/* Special-cased hook functions. Called by Xserver. + */ +int XaceHookDispatch(ClientPtr client, int major) +{ + /* Call the audit begin callback, there is no return value. */ + XaceAuditRec rec = { client, 0 }; + CallCallbacks(&XaceHooks[XACE_AUDIT_BEGIN], &rec); + + if (major < 128) { + /* Call the core dispatch hook */ + XaceCoreDispatchRec rec = { client, Success /* default allow */ }; + CallCallbacks(&XaceHooks[XACE_CORE_DISPATCH], &rec); + return rec.status; + } else { + /* Call the extension dispatch hook */ + ExtensionEntry *ext = GetExtensionEntry(major); + XaceExtAccessRec rec = { client, ext, DixUseAccess, Success }; + if (ext) + CallCallbacks(&XaceHooks[XACE_EXT_DISPATCH], &rec); + /* On error, pretend extension doesn't exist */ + return (rec.status == Success) ? Success : BadRequest; + } +} + +int XaceHookPropertyAccess(ClientPtr client, WindowPtr pWin, + PropertyPtr *ppProp, Mask access_mode) +{ + XacePropertyAccessRec rec = { client, pWin, ppProp, access_mode, Success }; + CallCallbacks(&XaceHooks[XACE_PROPERTY_ACCESS], &rec); + return rec.status; +} + +int XaceHookSelectionAccess(ClientPtr client, + Selection **ppSel, Mask access_mode) +{ + XaceSelectionAccessRec rec = { client, ppSel, access_mode, Success }; + CallCallbacks(&XaceHooks[XACE_SELECTION_ACCESS], &rec); + return rec.status; +} + +void XaceHookAuditEnd(ClientPtr ptr, int result) +{ + XaceAuditRec rec = { ptr, result }; + /* call callbacks, there is no return value. */ + CallCallbacks(&XaceHooks[XACE_AUDIT_END], &rec); +} + +/* Entry point for hook functions. Called by Xserver. + */ +int XaceHook(int hook, ...) +{ + union { + XaceResourceAccessRec res; + XaceDeviceAccessRec dev; + XaceSendAccessRec send; + XaceReceiveAccessRec recv; + XaceClientAccessRec client; + XaceExtAccessRec ext; + XaceServerAccessRec server; + XaceScreenAccessRec screen; + XaceAuthAvailRec auth; + XaceKeyAvailRec key; + } u; + int *prv = NULL; /* points to return value from callback */ + va_list ap; /* argument list */ + va_start(ap, hook); + + /* Marshal arguments for passing to callback. + * Each callback has its own case, which sets up a structure to hold + * the arguments and integer return parameter, or in some cases just + * sets calldata directly to a single argument (with no return result) + */ + switch (hook) + { + case XACE_RESOURCE_ACCESS: + u.res.client = va_arg(ap, ClientPtr); + u.res.id = va_arg(ap, XID); + u.res.rtype = va_arg(ap, RESTYPE); + u.res.res = va_arg(ap, pointer); + u.res.ptype = va_arg(ap, RESTYPE); + u.res.parent = va_arg(ap, pointer); + u.res.access_mode = va_arg(ap, Mask); + u.res.status = Success; /* default allow */ + prv = &u.res.status; + break; + case XACE_DEVICE_ACCESS: + u.dev.client = va_arg(ap, ClientPtr); + u.dev.dev = va_arg(ap, DeviceIntPtr); + u.dev.access_mode = va_arg(ap, Mask); + u.dev.status = Success; /* default allow */ + prv = &u.dev.status; + break; + case XACE_SEND_ACCESS: + u.send.client = va_arg(ap, ClientPtr); + u.send.dev = va_arg(ap, DeviceIntPtr); + u.send.pWin = va_arg(ap, WindowPtr); + u.send.events = va_arg(ap, xEventPtr); + u.send.count = va_arg(ap, int); + u.send.status = Success; /* default allow */ + prv = &u.send.status; + break; + case XACE_RECEIVE_ACCESS: + u.recv.client = va_arg(ap, ClientPtr); + u.recv.pWin = va_arg(ap, WindowPtr); + u.recv.events = va_arg(ap, xEventPtr); + u.recv.count = va_arg(ap, int); + u.recv.status = Success; /* default allow */ + prv = &u.recv.status; + break; + case XACE_CLIENT_ACCESS: + u.client.client = va_arg(ap, ClientPtr); + u.client.target = va_arg(ap, ClientPtr); + u.client.access_mode = va_arg(ap, Mask); + u.client.status = Success; /* default allow */ + prv = &u.client.status; + break; + case XACE_EXT_ACCESS: + u.ext.client = va_arg(ap, ClientPtr); + u.ext.ext = va_arg(ap, ExtensionEntry*); + u.ext.access_mode = DixGetAttrAccess; + u.ext.status = Success; /* default allow */ + prv = &u.ext.status; + break; + case XACE_SERVER_ACCESS: + u.server.client = va_arg(ap, ClientPtr); + u.server.access_mode = va_arg(ap, Mask); + u.server.status = Success; /* default allow */ + prv = &u.server.status; + break; + case XACE_SCREEN_ACCESS: + case XACE_SCREENSAVER_ACCESS: + u.screen.client = va_arg(ap, ClientPtr); + u.screen.screen = va_arg(ap, ScreenPtr); + u.screen.access_mode = va_arg(ap, Mask); + u.screen.status = Success; /* default allow */ + prv = &u.screen.status; + break; + case XACE_AUTH_AVAIL: + u.auth.client = va_arg(ap, ClientPtr); + u.auth.authId = va_arg(ap, XID); + break; + case XACE_KEY_AVAIL: + u.key.event = va_arg(ap, xEventPtr); + u.key.keybd = va_arg(ap, DeviceIntPtr); + u.key.count = va_arg(ap, int); + break; + default: + va_end(ap); + return 0; /* unimplemented hook number */ + } + va_end(ap); + + /* call callbacks and return result, if any. */ + CallCallbacks(&XaceHooks[hook], &u); + return prv ? *prv : Success; +} + +/* XaceCensorImage + * + * Called after pScreen->GetImage to prevent pieces or trusted windows from + * being returned in image data from an untrusted window. + * + * Arguments: + * client is the client doing the GetImage. + * pVisibleRegion is the visible region of the window. + * widthBytesLine is the width in bytes of one horizontal line in pBuf. + * pDraw is the source window. + * x, y, w, h is the rectangle of image data from pDraw in pBuf. + * format is the format of the image data in pBuf: ZPixmap or XYPixmap. + * pBuf is the image data. + * + * Returns: nothing. + * + * Side Effects: + * Any part of the rectangle (x, y, w, h) that is outside the visible + * region of the window will be destroyed (overwritten) in pBuf. + */ +void +XaceCensorImage( + ClientPtr client, + RegionPtr pVisibleRegion, + long widthBytesLine, + DrawablePtr pDraw, + int x, int y, int w, int h, + unsigned int format, + char *pBuf) +{ + RegionRec imageRegion; /* region representing x,y,w,h */ + RegionRec censorRegion; /* region to obliterate */ + BoxRec imageBox; + int nRects; + + imageBox.x1 = x; + imageBox.y1 = y; + imageBox.x2 = x + w; + imageBox.y2 = y + h; + RegionInit(&imageRegion, &imageBox, 1); + RegionNull(&censorRegion); + + /* censorRegion = imageRegion - visibleRegion */ + RegionSubtract(&censorRegion, &imageRegion, pVisibleRegion); + nRects = RegionNumRects(&censorRegion); + if (nRects > 0) + { /* we have something to censor */ + GCPtr pScratchGC = NULL; + PixmapPtr pPix = NULL; + xRectangle *pRects = NULL; + Bool failed = FALSE; + int depth = 1; + int bitsPerPixel = 1; + int i; + BoxPtr pBox; + + /* convert region to list-of-rectangles for PolyFillRect */ + + pRects = malloc(nRects * sizeof(xRectangle)); + if (!pRects) + { + failed = TRUE; + goto failSafe; + } + for (pBox = RegionRects(&censorRegion), i = 0; + i < nRects; + i++, pBox++) + { + pRects[i].x = pBox->x1; + pRects[i].y = pBox->y1 - imageBox.y1; + pRects[i].width = pBox->x2 - pBox->x1; + pRects[i].height = pBox->y2 - pBox->y1; + } + + /* use pBuf as a fake pixmap */ + + if (format == ZPixmap) + { + depth = pDraw->depth; + bitsPerPixel = pDraw->bitsPerPixel; + } + + pPix = GetScratchPixmapHeader(pDraw->pScreen, w, h, + depth, bitsPerPixel, + widthBytesLine, (pointer)pBuf); + if (!pPix) + { + failed = TRUE; + goto failSafe; + } + + pScratchGC = GetScratchGC(depth, pPix->drawable.pScreen); + if (!pScratchGC) + { + failed = TRUE; + goto failSafe; + } + + ValidateGC(&pPix->drawable, pScratchGC); + (* pScratchGC->ops->PolyFillRect)(&pPix->drawable, + pScratchGC, nRects, pRects); + + failSafe: + if (failed) + { + /* Censoring was not completed above. To be safe, wipe out + * all the image data so that nothing trusted gets out. + */ + memset(pBuf, 0, (int)(widthBytesLine * h)); + } + free(pRects); + if (pScratchGC) FreeScratchGC(pScratchGC); + if (pPix) FreeScratchPixmapHeader(pPix); + } + RegionUninit(&imageRegion); + RegionUninit(&censorRegion); +} /* XaceCensorImage */ + +/* + * Xtrans wrappers for use by modules + */ +int XaceGetConnectionNumber(ClientPtr client) +{ + XtransConnInfo ci = ((OsCommPtr)client->osPrivate)->trans_conn; + return _XSERVTransGetConnectionNumber(ci); +} + +int XaceIsLocal(ClientPtr client) +{ + XtransConnInfo ci = ((OsCommPtr)client->osPrivate)->trans_conn; + return _XSERVTransIsLocal(ci); +} diff --git a/Xext/xace.h b/Xext/xace.h new file mode 100644 index 0000000..6029d87 --- /dev/null +++ b/Xext/xace.h @@ -0,0 +1,131 @@ +/************************************************************ + +Author: Eamon Walsh <ewalsh@tycho.nsa.gov> + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +this permission notice appear in supporting documentation. This permission +notice shall be included in all copies or substantial portions of the +Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +********************************************************/ + +#ifndef _XACE_H +#define _XACE_H + +#ifdef XACE + +#define XACE_MAJOR_VERSION 2 +#define XACE_MINOR_VERSION 0 + +#include "pixmap.h" +#include "region.h" +#include "window.h" +#include "property.h" +#include "selection.h" + +/* Default window background */ +#define XaceBackgroundNoneState(w) ((w)->forcedBG ? BackgroundPixel : None) + +/* security hooks */ +/* Constants used to identify the available security hooks + */ +#define XACE_CORE_DISPATCH 0 +#define XACE_EXT_DISPATCH 1 +#define XACE_RESOURCE_ACCESS 2 +#define XACE_DEVICE_ACCESS 3 +#define XACE_PROPERTY_ACCESS 4 +#define XACE_SEND_ACCESS 5 +#define XACE_RECEIVE_ACCESS 6 +#define XACE_CLIENT_ACCESS 7 +#define XACE_EXT_ACCESS 8 +#define XACE_SERVER_ACCESS 9 +#define XACE_SELECTION_ACCESS 10 +#define XACE_SCREEN_ACCESS 11 +#define XACE_SCREENSAVER_ACCESS 12 +#define XACE_AUTH_AVAIL 13 +#define XACE_KEY_AVAIL 14 +#define XACE_AUDIT_BEGIN 15 +#define XACE_AUDIT_END 16 +#define XACE_NUM_HOOKS 17 + +extern _X_EXPORT CallbackListPtr XaceHooks[XACE_NUM_HOOKS]; + +/* Entry point for hook functions. Called by Xserver. + * Required by libdbe and libextmod + */ +extern _X_EXPORT int XaceHook( + int /*hook*/, + ... /*appropriate args for hook*/ + ); + +/* Special-cased hook functions + */ +extern _X_EXPORT int XaceHookDispatch(ClientPtr ptr, int major); +extern _X_EXPORT int XaceHookPropertyAccess(ClientPtr ptr, WindowPtr pWin, + PropertyPtr *ppProp, Mask access_mode); +extern _X_EXPORT int XaceHookSelectionAccess(ClientPtr ptr, + Selection **ppSel, Mask access_mode); +extern _X_EXPORT void XaceHookAuditEnd(ClientPtr ptr, int result); + +/* Register a callback for a given hook. + */ +#define XaceRegisterCallback(hook,callback,data) \ + AddCallback(XaceHooks+(hook), callback, data) + +/* Unregister an existing callback for a given hook. + */ +#define XaceDeleteCallback(hook,callback,data) \ + DeleteCallback(XaceHooks+(hook), callback, data) + +/* XTrans wrappers for use by security modules + */ +extern _X_EXPORT int XaceGetConnectionNumber(ClientPtr ptr); +extern _X_EXPORT int XaceIsLocal(ClientPtr ptr); + +/* From the original Security extension... + */ + +extern _X_EXPORT void XaceCensorImage( + ClientPtr client, + RegionPtr pVisibleRegion, + long widthBytesLine, + DrawablePtr pDraw, + int x, int y, int w, int h, + unsigned int format, + char * pBuf + ); + +#else /* XACE */ + +/* Default window background */ +#define XaceBackgroundNoneState(w) None + +/* Define calls away when XACE is not being built. */ + +#ifdef __GNUC__ +#define XaceHook(args...) Success +#define XaceHookDispatch(args...) Success +#define XaceHookPropertyAccess(args...) Success +#define XaceHookSelectionAccess(args...) Success +#define XaceHookAuditEnd(args...) { ; } +#define XaceCensorImage(args...) { ; } +#else +#define XaceHook(...) Success +#define XaceHookDispatch(...) Success +#define XaceHookPropertyAccess(...) Success +#define XaceHookSelectionAccess(...) Success +#define XaceHookAuditEnd(...) { ; } +#define XaceCensorImage(...) { ; } +#endif + +#endif /* XACE */ + +#endif /* _XACE_H */ diff --git a/Xext/xacestr.h b/Xext/xacestr.h new file mode 100644 index 0000000..84216c8 --- /dev/null +++ b/Xext/xacestr.h @@ -0,0 +1,147 @@ +/************************************************************ + +Author: Eamon Walsh <ewalsh@tycho.nsa.gov> + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +this permission notice appear in supporting documentation. This permission +notice shall be included in all copies or substantial portions of the +Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +********************************************************/ + +#ifndef _XACESTR_H +#define _XACESTR_H + +#include "dix.h" +#include "resource.h" +#include "extnsionst.h" +#include "window.h" +#include "input.h" +#include "property.h" +#include "selection.h" +#include "xace.h" + +/* XACE_CORE_DISPATCH */ +typedef struct { + ClientPtr client; + int status; +} XaceCoreDispatchRec; + +/* XACE_RESOURCE_ACCESS */ +typedef struct { + ClientPtr client; + XID id; + RESTYPE rtype; + pointer res; + RESTYPE ptype; + pointer parent; + Mask access_mode; + int status; +} XaceResourceAccessRec; + +/* XACE_DEVICE_ACCESS */ +typedef struct { + ClientPtr client; + DeviceIntPtr dev; + Mask access_mode; + int status; +} XaceDeviceAccessRec; + +/* XACE_PROPERTY_ACCESS */ +typedef struct { + ClientPtr client; + WindowPtr pWin; + PropertyPtr *ppProp; + Mask access_mode; + int status; +} XacePropertyAccessRec; + +/* XACE_SEND_ACCESS */ +typedef struct { + ClientPtr client; + DeviceIntPtr dev; + WindowPtr pWin; + xEventPtr events; + int count; + int status; +} XaceSendAccessRec; + +/* XACE_RECEIVE_ACCESS */ +typedef struct { + ClientPtr client; + WindowPtr pWin; + xEventPtr events; + int count; + int status; +} XaceReceiveAccessRec; + +/* XACE_CLIENT_ACCESS */ +typedef struct { + ClientPtr client; + ClientPtr target; + Mask access_mode; + int status; +} XaceClientAccessRec; + +/* XACE_EXT_DISPATCH */ +/* XACE_EXT_ACCESS */ +typedef struct { + ClientPtr client; + ExtensionEntry *ext; + Mask access_mode; + int status; +} XaceExtAccessRec; + +/* XACE_SERVER_ACCESS */ +typedef struct { + ClientPtr client; + Mask access_mode; + int status; +} XaceServerAccessRec; + +/* XACE_SELECTION_ACCESS */ +typedef struct { + ClientPtr client; + Selection **ppSel; + Mask access_mode; + int status; +} XaceSelectionAccessRec; + +/* XACE_SCREEN_ACCESS */ +/* XACE_SCREENSAVER_ACCESS */ +typedef struct { + ClientPtr client; + ScreenPtr screen; + Mask access_mode; + int status; +} XaceScreenAccessRec; + +/* XACE_AUTH_AVAIL */ +typedef struct { + ClientPtr client; + XID authId; +} XaceAuthAvailRec; + +/* XACE_KEY_AVAIL */ +typedef struct { + xEventPtr event; + DeviceIntPtr keybd; + int count; +} XaceKeyAvailRec; + +/* XACE_AUDIT_BEGIN */ +/* XACE_AUDIT_END */ +typedef struct { + ClientPtr client; + int requestResult; +} XaceAuditRec; + +#endif /* _XACESTR_H */ diff --git a/Xext/xcalibrate.c b/Xext/xcalibrate.c new file mode 100644 index 0000000..bff1c31 --- /dev/null +++ b/Xext/xcalibrate.c @@ -0,0 +1,297 @@ +/* + * Copyright © 2003 Philip Blundell + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of Philip Blundell not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Philip Blundell makes no + * representations about the suitability of this software for any purpose. It + * is provided "as is" without express or implied warranty. + * + * PHILIP BLUNDELL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL PHILIP BLUNDELL BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +#ifdef HAVE_KDRIVE_CONFIG_H +#include <kdrive-config.h> +#endif + + +#include <X11/X.h> +#include <X11/Xproto.h> +#include "misc.h" +#include "os.h" +#include "dixstruct.h" +#include "extnsionst.h" +#include "swaprep.h" +#include "protocol-versions.h" + +#include <X11/extensions/xcalibrateproto.h> +#include <X11/extensions/xcalibratewire.h> + +extern void (*tslib_raw_event_hook)(int x, int y, int pressure, void *closure); +extern void *tslib_raw_event_closure; + +static CARD8 XCalibrateReqCode; +int XCalibrateEventBase; +int XCalibrateReqBase; +int XCalibrateErrorBase; + +static ClientPtr xcalibrate_client; + +static void +xcalibrate_event_hook (int x, int y, int pressure, void *closure) +{ + ClientPtr pClient = (ClientPtr) closure; + xXCalibrateRawTouchscreenEvent ev; + + ev.type = XCalibrateEventBase + X_XCalibrateRawTouchscreen; + ev.x = x; + ev.y = y; + ev.pressure = pressure; + + WriteEventsToClient (pClient, 1, (xEvent *) &ev); +} + +static int +ProcXCalibrateQueryVersion (ClientPtr client) +{ + REQUEST(xXCalibrateQueryVersionReq); + xXCalibrateQueryVersionReply rep; + CARD16 client_major, client_minor; /* not used */ + + REQUEST_SIZE_MATCH (xXCalibrateQueryVersionReq); + + client_major = stuff->majorVersion; + client_minor = stuff->minorVersion; + + fprintf(stderr, "%s(): called\n", __func__); + + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.majorVersion = SERVER_XCALIBRATE_MAJOR_VERSION; + rep.minorVersion = SERVER_XCALIBRATE_MINOR_VERSION; + if (client->swapped) { + int n; + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swaps(&rep.majorVersion, n); + swaps(&rep.minorVersion, n); + } + WriteToClient(client, sizeof (xXCalibrateQueryVersionReply), (char *)&rep); + return Success; +} + +static int +SProcXCalibrateQueryVersion (ClientPtr client) +{ + REQUEST(xXCalibrateQueryVersionReq); + int n; + + REQUEST_SIZE_MATCH (xXCalibrateQueryVersionReq); + swaps(&stuff->majorVersion,n); + swaps(&stuff->minorVersion,n); + return ProcXCalibrateQueryVersion(client); +} + +static int +ProcXCalibrateSetRawMode (ClientPtr client) +{ + REQUEST(xXCalibrateRawModeReq); + xXCalibrateRawModeReply rep; + + REQUEST_SIZE_MATCH (xXCalibrateRawModeReq); + + memset (&rep, 0, sizeof (rep)); + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + + if (stuff->on) + { + if (xcalibrate_client == NULL) + { + /* Start calibrating. */ + xcalibrate_client = client; + tslib_raw_event_hook = xcalibrate_event_hook; + tslib_raw_event_closure = client; + rep.status = GrabSuccess; + } + else + { + rep.status = AlreadyGrabbed; + } + } + else + { + if (xcalibrate_client == client) + { + /* Stop calibrating. */ + xcalibrate_client = NULL; + tslib_raw_event_hook = NULL; + tslib_raw_event_closure = NULL; + rep.status = GrabSuccess; + + /* Cycle input off and on to reload configuration. */ + KdDisableInput (); + KdEnableInput (); + } + else + { + rep.status = AlreadyGrabbed; + } + } + + if (client->swapped) + { + int n; + + swaps (&rep.sequenceNumber, n); + swaps (&rep.status, n); + } + WriteToClient(client, sizeof (rep), (char *) &rep); + return Success; +} + +static int +SProcXCalibrateSetRawMode (ClientPtr client) +{ + REQUEST(xXCalibrateRawModeReq); + int n; + + REQUEST_SIZE_MATCH (xXCalibrateRawModeReq); + + swaps(&stuff->on, n); + + return ProcXCalibrateSetRawMode(client); +} + +static int +ProcXCalibrateScreenToCoord (ClientPtr client) +{ + REQUEST(xXCalibrateScreenToCoordReq); + xXCalibrateScreenToCoordReply rep; + + REQUEST_SIZE_MATCH (xXCalibrateScreenToCoordReq); + + memset (&rep, 0, sizeof (rep)); + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.x = stuff->x; + rep.y = stuff->y; + + KdScreenToPointerCoords(&rep.x, &rep.y); + + if (client->swapped) + { + int n; + + swaps (&rep.x, n); + swaps (&rep.y, n); + } + WriteToClient(client, sizeof (rep), (char *) &rep); + return Success; +} + +static int +SProcXCalibrateScreenToCoord (ClientPtr client) +{ + REQUEST(xXCalibrateScreenToCoordReq); + int n; + + REQUEST_SIZE_MATCH (xXCalibrateScreenToCoordReq); + + swaps(&stuff->x, n); + swaps(&stuff->y, n); + + return ProcXCalibrateScreenToCoord(client); +} + +static int +ProcXCalibrateDispatch (ClientPtr client) +{ + REQUEST(xReq); + switch (stuff->data) { + case X_XCalibrateQueryVersion: + return ProcXCalibrateQueryVersion(client); + case X_XCalibrateRawMode: + return ProcXCalibrateSetRawMode(client); + case X_XCalibrateScreenToCoord: + return ProcXCalibrateScreenToCoord(client); + + default: break; + } + + return BadRequest; +} + +static int +SProcXCalibrateDispatch (ClientPtr client) +{ + REQUEST(xReq); + int n; + + swaps(&stuff->length,n); + + switch (stuff->data) { + case X_XCalibrateQueryVersion: + return SProcXCalibrateQueryVersion(client); + case X_XCalibrateRawMode: + return SProcXCalibrateSetRawMode(client); + case X_XCalibrateScreenToCoord: + return SProcXCalibrateScreenToCoord(client); + + default: break; + } + + return BadRequest; +} + +static void +XCalibrateClientCallback (CallbackListPtr *list, + pointer closure, + pointer data) +{ + NewClientInfoRec *clientinfo = (NewClientInfoRec *) data; + ClientPtr pClient = clientinfo->client; + + if (clientinfo->setup == NULL + && xcalibrate_client != NULL + && xcalibrate_client == pClient) + { + /* Stop calibrating. */ + xcalibrate_client = NULL; + tslib_raw_event_hook = NULL; + tslib_raw_event_closure = NULL; + } +} + +void +XCalibrateExtensionInit(void) +{ + ExtensionEntry *extEntry; + + if (!AddCallback (&ClientStateCallback, XCalibrateClientCallback, 0)) + return; + + extEntry = AddExtension(XCALIBRATE_NAME, XCalibrateNumberEvents, XCalibrateNumberErrors, + ProcXCalibrateDispatch, SProcXCalibrateDispatch, + NULL, StandardMinorOpcode); + + if (!extEntry) + return; + + XCalibrateReqCode = (unsigned char)extEntry->base; + XCalibrateEventBase = extEntry->eventBase; + XCalibrateErrorBase = extEntry->errorBase; + + xcalibrate_client = 0; +} diff --git a/Xext/xcmisc.c b/Xext/xcmisc.c new file mode 100644 index 0000000..378afcc --- /dev/null +++ b/Xext/xcmisc.c @@ -0,0 +1,207 @@ +/* + +Copyright 1993, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +The above copyright notice and this permission notice shall be included +in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR +OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, +ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall +not be used in advertising or otherwise to promote the sale, use or +other dealings in this Software without prior written authorization +from The Open Group. + +*/ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include <X11/X.h> +#include <X11/Xproto.h> +#include "misc.h" +#include "os.h" +#include "dixstruct.h" +#include "extnsionst.h" +#include "swaprep.h" +#include <X11/extensions/xcmiscproto.h> +#include "modinit.h" + +#if HAVE_STDINT_H +#include <stdint.h> +#elif !defined(UINT32_MAX) +#define UINT32_MAX 0xffffffffU +#endif + + +static int +ProcXCMiscGetVersion(ClientPtr client) +{ + xXCMiscGetVersionReply rep; + int n; + + REQUEST_SIZE_MATCH(xXCMiscGetVersionReq); + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.majorVersion = XCMiscMajorVersion; + rep.minorVersion = XCMiscMinorVersion; + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swaps(&rep.majorVersion, n); + swaps(&rep.minorVersion, n); + } + WriteToClient(client, sizeof(xXCMiscGetVersionReply), (char *)&rep); + return Success; +} + +static int +ProcXCMiscGetXIDRange(ClientPtr client) +{ + xXCMiscGetXIDRangeReply rep; + int n; + XID min_id, max_id; + + REQUEST_SIZE_MATCH(xXCMiscGetXIDRangeReq); + GetXIDRange(client->index, FALSE, &min_id, &max_id); + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.start_id = min_id; + rep.count = max_id - min_id + 1; + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swapl(&rep.start_id, n); + swapl(&rep.count, n); + } + WriteToClient(client, sizeof(xXCMiscGetXIDRangeReply), (char *)&rep); + return Success; +} + +static int +ProcXCMiscGetXIDList(ClientPtr client) +{ + REQUEST(xXCMiscGetXIDListReq); + xXCMiscGetXIDListReply rep; + int n; + XID *pids; + unsigned int count; + + REQUEST_SIZE_MATCH(xXCMiscGetXIDListReq); + + if (stuff->count > UINT32_MAX / sizeof(XID)) + return BadAlloc; + + pids = (XID *)malloc(stuff->count * sizeof(XID)); + if (!pids) + { + return BadAlloc; + } + count = GetXIDList(client, stuff->count, pids); + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.length = count; + rep.count = count; + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swapl(&rep.count, n); + } + WriteToClient(client, sizeof(xXCMiscGetXIDListReply), (char *)&rep); + if (count) + { + client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write; + WriteSwappedDataToClient(client, count * sizeof(XID), pids); + } + free(pids); + return Success; +} + +static int +ProcXCMiscDispatch (ClientPtr client) +{ + REQUEST(xReq); + switch (stuff->data) + { + case X_XCMiscGetVersion: + return ProcXCMiscGetVersion(client); + case X_XCMiscGetXIDRange: + return ProcXCMiscGetXIDRange(client); + case X_XCMiscGetXIDList: + return ProcXCMiscGetXIDList(client); + default: + return BadRequest; + } +} + +static int +SProcXCMiscGetVersion(ClientPtr client) +{ + int n; + REQUEST(xXCMiscGetVersionReq); + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xXCMiscGetVersionReq); + swaps(&stuff->majorVersion, n); + swaps(&stuff->minorVersion, n); + return ProcXCMiscGetVersion(client); +} + +static int +SProcXCMiscGetXIDRange(ClientPtr client) +{ + int n; + REQUEST(xReq); + + swaps(&stuff->length, n); + return ProcXCMiscGetXIDRange(client); +} + +static int +SProcXCMiscGetXIDList(ClientPtr client) +{ + int n; + REQUEST(xXCMiscGetXIDListReq); + + swaps(&stuff->length, n); + swapl(&stuff->count, n); + return ProcXCMiscGetXIDList(client); +} + +static int +SProcXCMiscDispatch (ClientPtr client) +{ + REQUEST(xReq); + switch (stuff->data) + { + case X_XCMiscGetVersion: + return SProcXCMiscGetVersion(client); + case X_XCMiscGetXIDRange: + return SProcXCMiscGetXIDRange(client); + case X_XCMiscGetXIDList: + return SProcXCMiscGetXIDList(client); + default: + return BadRequest; + } +} + +void +XCMiscExtensionInit(INITARGS) +{ + AddExtension(XCMiscExtensionName, 0, 0, + ProcXCMiscDispatch, SProcXCMiscDispatch, + NULL, StandardMinorOpcode); +} diff --git a/Xext/xf86bigfont.c b/Xext/xf86bigfont.c new file mode 100644 index 0000000..de82744 --- /dev/null +++ b/Xext/xf86bigfont.c @@ -0,0 +1,750 @@ +/* + * BIGFONT extension for sharing font metrics between clients (if possible) + * and for transmitting font metrics to clients in a compressed form. + * + * Copyright (c) 1999-2000 Bruno Haible + * Copyright (c) 1999-2000 The XFree86 Project, Inc. + */ + +/* THIS IS NOT AN X CONSORTIUM STANDARD */ + +/* + * Big fonts suffer from the following: All clients that have opened a + * font can access the complete glyph metrics array (the XFontStruct member + * `per_char') directly, without going through a macro. Moreover these + * glyph metrics are ink metrics, i.e. are not redundant even for a + * fixed-width font. For a Unicode font, the size of this array is 768 KB. + * + * Problems: 1. It eats a lot of memory in each client. 2. All this glyph + * metrics data is piped through the socket when the font is opened. + * + * This extension addresses these two problems for local clients, by using + * shared memory. It also addresses the second problem for non-local clients, + * by compressing the data before transmit by a factor of nearly 6. + * + * If you use this extension, your OS ought to nicely support shared memory. + * This means: Shared memory should be swappable to the swap, and the limits + * should be high enough (SHMMNI at least 64, SHMMAX at least 768 KB, + * SHMALL at least 48 MB). It is a plus if your OS allows shmat() calls + * on segments that have already been marked "removed", because it permits + * these segments to be cleaned up by the OS if the X server is killed with + * signal SIGKILL. + * + * This extension is transparently exploited by Xlib (functions XQueryFont, + * XLoadQueryFont). + */ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include <sys/types.h> +#ifdef HAS_SHM +#if defined(linux) && (!defined(__GNU_LIBRARY__) || __GNU_LIBRARY__ < 2) +/* libc4 does not define __GNU_LIBRARY__, libc5 defines __GNU_LIBRARY__ as 1 */ +/* Linux libc4 and libc5 only (because glibc doesn't include kernel headers): + Linux 2.0.x and 2.2.x define SHMLBA as PAGE_SIZE, but forget to define + PAGE_SIZE. It is defined in <asm/page.h>. */ +#include <asm/page.h> +#endif +#ifdef SVR4 +#include <sys/sysmacros.h> +#endif +#if defined(__CYGWIN__) +#include <sys/param.h> +#include <sys/sysmacros.h> +#endif +#include <sys/ipc.h> +#include <sys/shm.h> +#include <sys/stat.h> +#include <stdlib.h> +#include <unistd.h> +#include <time.h> +#include <errno.h> +#endif + +#include <X11/X.h> +#include <X11/Xproto.h> +#include "misc.h" +#include "os.h" +#include "dixstruct.h" +#include "gcstruct.h" +#include "dixfontstr.h" +#include "extnsionst.h" +#include "protocol-versions.h" + +#include <X11/extensions/xf86bigfproto.h> +#include "xf86bigfontsrv.h" + +static void XF86BigfontResetProc( + ExtensionEntry * /* extEntry */ + ); + + +#ifdef HAS_SHM + +/* A random signature, transmitted to the clients so they can verify that the + shared memory segment they are attaching to was really established by the + X server they are talking to. */ +static CARD32 signature; + +/* Index for additional information stored in a FontRec's devPrivates array. */ +static int FontShmdescIndex; + +static unsigned int pagesize; + +static Bool badSysCall = FALSE; + +#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__CYGWIN__) || defined(__DragonFly__) + +#include <sys/signal.h> + +static void +SigSysHandler( + int signo) +{ + badSysCall = TRUE; +} + +static Bool +CheckForShmSyscall(void) +{ + void (*oldHandler)(int); + int shmid = -1; + + /* If no SHM support in the kernel, the bad syscall will generate SIGSYS */ + oldHandler = signal(SIGSYS, SigSysHandler); + + badSysCall = FALSE; + shmid = shmget(IPC_PRIVATE, 4096, IPC_CREAT); + if (shmid != -1) + { + /* Successful allocation - clean up */ + shmctl(shmid, IPC_RMID, NULL); + } + else + { + /* Allocation failed */ + badSysCall = TRUE; + } + signal(SIGSYS, oldHandler); + return !badSysCall; +} + +#define MUST_CHECK_FOR_SHM_SYSCALL + +#endif + +#endif + +/* ========== Management of shared memory segments ========== */ + +#ifdef HAS_SHM + +#ifdef __linux__ +/* On Linux, shared memory marked as "removed" can still be attached. + Nice feature, because the kernel will automatically free the associated + storage when the server and all clients are gone. */ +#define EARLY_REMOVE +#endif + +typedef struct _ShmDesc { + struct _ShmDesc *next; + struct _ShmDesc **prev; + int shmid; + char *attach_addr; +} ShmDescRec, *ShmDescPtr; + +static ShmDescPtr ShmList = (ShmDescPtr) NULL; + +static ShmDescPtr +shmalloc( + unsigned int size) +{ + ShmDescPtr pDesc; + int shmid; + char *addr; + +#ifdef MUST_CHECK_FOR_SHM_SYSCALL + if (pagesize == 0) + return (ShmDescPtr) NULL; +#endif + + /* On some older Linux systems, the number of shared memory segments + system-wide is 127. In Linux 2.4, it is 4095. + Therefore there is a tradeoff to be made between allocating a + shared memory segment on one hand, and allocating memory and piping + the glyph metrics on the other hand. If the glyph metrics size is + small, we prefer the traditional way. */ + if (size < 3500) + return (ShmDescPtr) NULL; + + pDesc = malloc(sizeof(ShmDescRec)); + if (!pDesc) + return (ShmDescPtr) NULL; + + size = (size + pagesize-1) & -pagesize; + shmid = shmget(IPC_PRIVATE, size, S_IWUSR | S_IRUSR | S_IRGRP | S_IROTH); + if (shmid == -1) { + ErrorF(XF86BIGFONTNAME " extension: shmget() failed, size = %u, %s\n", + size, strerror(errno)); + free(pDesc); + return (ShmDescPtr) NULL; + } + + if ((addr = shmat(shmid, 0, 0)) == (char *)-1) { + ErrorF(XF86BIGFONTNAME " extension: shmat() failed, size = %u, %s\n", + size, strerror(errno)); + shmctl(shmid, IPC_RMID, (void *) 0); + free(pDesc); + return (ShmDescPtr) NULL; + } + +#ifdef EARLY_REMOVE + shmctl(shmid, IPC_RMID, (void *) 0); +#endif + + pDesc->shmid = shmid; + pDesc->attach_addr = addr; + if (ShmList) ShmList->prev = &pDesc->next; + pDesc->next = ShmList; + pDesc->prev = &ShmList; + ShmList = pDesc; + + return pDesc; +} + +static void +shmdealloc( + ShmDescPtr pDesc) +{ +#ifndef EARLY_REMOVE + shmctl(pDesc->shmid, IPC_RMID, (void *) 0); +#endif + shmdt(pDesc->attach_addr); + + if (pDesc->next) pDesc->next->prev = pDesc->prev; + *pDesc->prev = pDesc->next; + free(pDesc); +} + +#endif + +/* Called when a font is closed. */ +void +XF86BigfontFreeFontShm( + FontPtr pFont) +{ +#ifdef HAS_SHM + ShmDescPtr pDesc; + + /* If during shutdown of the server, XF86BigfontCleanup() has already + * called shmdealloc() for all segments, we don't need to do it here. + */ + if (!ShmList) + return; + + pDesc = (ShmDescPtr) FontGetPrivate(pFont, FontShmdescIndex); + if (pDesc) + shmdealloc(pDesc); +#endif +} + +/* Called upon fatal signal. */ +void +XF86BigfontCleanup(void) +{ +#ifdef HAS_SHM + while (ShmList) + shmdealloc(ShmList); +#endif +} + +/* Called when a server generation dies. */ +static void +XF86BigfontResetProc( + ExtensionEntry* extEntry) +{ + /* This function is normally called from CloseDownExtensions(), called + * from main(). It will be followed by a call to FreeAllResources(), + * which will call XF86BigfontFreeFontShm() for each font. Thus it + * appears that we do not need to do anything in this function. -- + * But I prefer to write robust code, and not keep shared memory lying + * around when it's not needed any more. (Someone might close down the + * extension without calling FreeAllResources()...) + */ + XF86BigfontCleanup(); +} + + +/* ========== Handling of extension specific requests ========== */ + +static int +ProcXF86BigfontQueryVersion( + ClientPtr client) +{ + xXF86BigfontQueryVersionReply reply; + + REQUEST_SIZE_MATCH(xXF86BigfontQueryVersionReq); + reply.type = X_Reply; + reply.length = 0; + reply.sequenceNumber = client->sequence; + reply.majorVersion = SERVER_XF86BIGFONT_MAJOR_VERSION; + reply.minorVersion = SERVER_XF86BIGFONT_MINOR_VERSION; + reply.uid = geteuid(); + reply.gid = getegid(); +#ifdef HAS_SHM + reply.signature = signature; +#else + reply.signature = 0; /* This is redundant. Avoids uninitialized memory. */ +#endif + reply.capabilities = +#ifdef HAS_SHM + (LocalClient(client) && !client->swapped ? XF86Bigfont_CAP_LocalShm : 0) +#else + 0 +#endif + ; /* may add more bits here in future versions */ + if (client->swapped) { + char tmp; + swaps(&reply.sequenceNumber, tmp); + swapl(&reply.length, tmp); + swaps(&reply.majorVersion, tmp); + swaps(&reply.minorVersion, tmp); + swapl(&reply.uid, tmp); + swapl(&reply.gid, tmp); + swapl(&reply.signature, tmp); + } + WriteToClient(client, + sizeof(xXF86BigfontQueryVersionReply), (char *)&reply); + return Success; +} + +static void +swapCharInfo( + xCharInfo *pCI) +{ + char tmp; + + swaps(&pCI->leftSideBearing, tmp); + swaps(&pCI->rightSideBearing, tmp); + swaps(&pCI->characterWidth, tmp); + swaps(&pCI->ascent, tmp); + swaps(&pCI->descent, tmp); + swaps(&pCI->attributes, tmp); +} + +/* static CARD32 hashCI (xCharInfo *p); */ +#define hashCI(p) \ + (CARD32)(((p->leftSideBearing << 27) + (p->leftSideBearing >> 5) + \ + (p->rightSideBearing << 23) + (p->rightSideBearing >> 9) + \ + (p->characterWidth << 16) + \ + (p->ascent << 11) + (p->descent << 6)) ^ p->attributes) + +static int +ProcXF86BigfontQueryFont( + ClientPtr client) +{ + FontPtr pFont; + REQUEST(xXF86BigfontQueryFontReq); + CARD32 stuff_flags; + xCharInfo* pmax; + xCharInfo* pmin; + int nCharInfos; + int shmid; +#ifdef HAS_SHM + ShmDescPtr pDesc = NULL; +#else +#define pDesc 0 +#endif + xCharInfo* pCI; + CARD16* pIndex2UniqIndex; + CARD16* pUniqIndex2Index; + CARD32 nUniqCharInfos; + +#if 0 + REQUEST_SIZE_MATCH(xXF86BigfontQueryFontReq); +#else + switch (client->req_len) { + case 2: /* client with version 1.0 libX11 */ + stuff_flags = (LocalClient(client) && !client->swapped ? XF86Bigfont_FLAGS_Shm : 0); + break; + case 3: /* client with version 1.1 libX11 */ + stuff_flags = stuff->flags; + break; + default: + return BadLength; + } +#endif + if (dixLookupFontable(&pFont, stuff->id, client, DixGetAttrAccess) != Success) + return BadFont; /* procotol spec says only error is BadFont */ + + pmax = FONTINKMAX(pFont); + pmin = FONTINKMIN(pFont); + nCharInfos = + (pmax->rightSideBearing == pmin->rightSideBearing + && pmax->leftSideBearing == pmin->leftSideBearing + && pmax->descent == pmin->descent + && pmax->ascent == pmin->ascent + && pmax->characterWidth == pmin->characterWidth) + ? 0 : N2dChars(pFont); + shmid = -1; + pCI = NULL; + pIndex2UniqIndex = NULL; + pUniqIndex2Index = NULL; + nUniqCharInfos = 0; + + if (nCharInfos > 0) { +#ifdef HAS_SHM + if (!badSysCall) + pDesc = (ShmDescPtr) FontGetPrivate(pFont, FontShmdescIndex); + if (pDesc) { + pCI = (xCharInfo *) pDesc->attach_addr; + if (stuff_flags & XF86Bigfont_FLAGS_Shm) + shmid = pDesc->shmid; + } else { + if (stuff_flags & XF86Bigfont_FLAGS_Shm && !badSysCall) + pDesc = shmalloc(nCharInfos * sizeof(xCharInfo) + + sizeof(CARD32)); + if (pDesc) { + pCI = (xCharInfo *) pDesc->attach_addr; + shmid = pDesc->shmid; + } else { +#endif + pCI = malloc(nCharInfos * sizeof(xCharInfo)); + if (!pCI) + return BadAlloc; +#ifdef HAS_SHM + } +#endif + /* Fill nCharInfos starting at pCI. */ + { + xCharInfo* prCI = pCI; + int ninfos = 0; + int ncols = pFont->info.lastCol - pFont->info.firstCol + 1; + int row; + for (row = pFont->info.firstRow; + row <= pFont->info.lastRow && ninfos < nCharInfos; + row++) { + unsigned char chars[512]; + xCharInfo* tmpCharInfos[256]; + unsigned long count; + int col; + unsigned long i; + i = 0; + for (col = pFont->info.firstCol; + col <= pFont->info.lastCol; + col++) { + chars[i++] = row; + chars[i++] = col; + } + (*pFont->get_metrics) (pFont, ncols, chars, TwoD16Bit, + &count, tmpCharInfos); + for (i = 0; i < count && ninfos < nCharInfos; i++) { + *prCI++ = *tmpCharInfos[i]; + ninfos++; + } + } + } +#ifdef HAS_SHM + if (pDesc && !badSysCall) { + *(CARD32 *)(pCI + nCharInfos) = signature; + if (!FontSetPrivate(pFont, FontShmdescIndex, pDesc)) { + shmdealloc(pDesc); + return BadAlloc; + } + } + } +#endif + if (shmid == -1) { + /* Cannot use shared memory, so remove-duplicates the xCharInfos + using a temporary hash table. */ + /* Note that CARD16 is suitable as index type, because + nCharInfos <= 0x10000. */ + CARD32 hashModulus; + CARD16* pHash2UniqIndex; + CARD16* pUniqIndex2NextUniqIndex; + CARD32 NextIndex; + CARD32 NextUniqIndex; + CARD16* tmp; + CARD32 i, j; + + hashModulus = 67; + if (hashModulus > nCharInfos+1) + hashModulus = nCharInfos+1; + + tmp = malloc((4*nCharInfos+1) * sizeof(CARD16)); + if (!tmp) { + if (!pDesc) free(pCI); + return BadAlloc; + } + pIndex2UniqIndex = tmp; + /* nCharInfos elements */ + pUniqIndex2Index = tmp + nCharInfos; + /* max. nCharInfos elements */ + pUniqIndex2NextUniqIndex = tmp + 2*nCharInfos; + /* max. nCharInfos elements */ + pHash2UniqIndex = tmp + 3*nCharInfos; + /* hashModulus (<= nCharInfos+1) elements */ + + /* Note that we can use 0xffff as end-of-list indicator, because + even if nCharInfos = 0x10000, 0xffff can not occur as valid + entry before the last element has been inserted. And once the + last element has been inserted, we don't need the hash table + any more. */ + for (j = 0; j < hashModulus; j++) + pHash2UniqIndex[j] = (CARD16)(-1); + + NextUniqIndex = 0; + for (NextIndex = 0; NextIndex < nCharInfos; NextIndex++) { + xCharInfo* p = &pCI[NextIndex]; + CARD32 hashCode = hashCI(p) % hashModulus; + for (i = pHash2UniqIndex[hashCode]; + i != (CARD16)(-1); + i = pUniqIndex2NextUniqIndex[i]) { + j = pUniqIndex2Index[i]; + if (pCI[j].leftSideBearing == p->leftSideBearing + && pCI[j].rightSideBearing == p->rightSideBearing + && pCI[j].characterWidth == p->characterWidth + && pCI[j].ascent == p->ascent + && pCI[j].descent == p->descent + && pCI[j].attributes == p->attributes) + break; + } + if (i != (CARD16)(-1)) { + /* Found *p at Index j, UniqIndex i */ + pIndex2UniqIndex[NextIndex] = i; + } else { + /* Allocate a new entry in the Uniq table */ + if (hashModulus <= 2*NextUniqIndex + && hashModulus < nCharInfos+1) { + /* Time to increate hash table size */ + hashModulus = 2*hashModulus+1; + if (hashModulus > nCharInfos+1) + hashModulus = nCharInfos+1; + for (j = 0; j < hashModulus; j++) + pHash2UniqIndex[j] = (CARD16)(-1); + for (i = 0; i < NextUniqIndex; i++) + pUniqIndex2NextUniqIndex[i] = (CARD16)(-1); + for (i = 0; i < NextUniqIndex; i++) { + j = pUniqIndex2Index[i]; + p = &pCI[j]; + hashCode = hashCI(p) % hashModulus; + pUniqIndex2NextUniqIndex[i] = pHash2UniqIndex[hashCode]; + pHash2UniqIndex[hashCode] = i; + } + p = &pCI[NextIndex]; + hashCode = hashCI(p) % hashModulus; + } + i = NextUniqIndex++; + pUniqIndex2NextUniqIndex[i] = pHash2UniqIndex[hashCode]; + pHash2UniqIndex[hashCode] = i; + pUniqIndex2Index[i] = NextIndex; + pIndex2UniqIndex[NextIndex] = i; + } + } + nUniqCharInfos = NextUniqIndex; + /* fprintf(stderr, "font metrics: nCharInfos = %d, nUniqCharInfos = %d, hashModulus = %d\n", nCharInfos, nUniqCharInfos, hashModulus); */ + } + } + + { + int nfontprops = pFont->info.nprops; + int rlength = + sizeof(xXF86BigfontQueryFontReply) + + nfontprops * sizeof(xFontProp) + + (nCharInfos > 0 && shmid == -1 + ? nUniqCharInfos * sizeof(xCharInfo) + + (nCharInfos+1)/2 * 2 * sizeof(CARD16) + : 0); + xXF86BigfontQueryFontReply* reply = malloc(rlength); + char* p; + if (!reply) { + if (nCharInfos > 0) { + if (shmid == -1) free(pIndex2UniqIndex); + if (!pDesc) free(pCI); + } + return BadAlloc; + } + reply->type = X_Reply; + reply->length = bytes_to_int32(rlength - sizeof(xGenericReply)); + reply->sequenceNumber = client->sequence; + reply->minBounds = pFont->info.ink_minbounds; + reply->maxBounds = pFont->info.ink_maxbounds; + reply->minCharOrByte2 = pFont->info.firstCol; + reply->maxCharOrByte2 = pFont->info.lastCol; + reply->defaultChar = pFont->info.defaultCh; + reply->nFontProps = pFont->info.nprops; + reply->drawDirection = pFont->info.drawDirection; + reply->minByte1 = pFont->info.firstRow; + reply->maxByte1 = pFont->info.lastRow; + reply->allCharsExist = pFont->info.allExist; + reply->fontAscent = pFont->info.fontAscent; + reply->fontDescent = pFont->info.fontDescent; + reply->nCharInfos = nCharInfos; + reply->nUniqCharInfos = nUniqCharInfos; + reply->shmid = shmid; + reply->shmsegoffset = 0; + if (client->swapped) { + char tmp; + swaps(&reply->sequenceNumber, tmp); + swapl(&reply->length, tmp); + swapCharInfo(&reply->minBounds); + swapCharInfo(&reply->maxBounds); + swaps(&reply->minCharOrByte2, tmp); + swaps(&reply->maxCharOrByte2, tmp); + swaps(&reply->defaultChar, tmp); + swaps(&reply->nFontProps, tmp); + swaps(&reply->fontAscent, tmp); + swaps(&reply->fontDescent, tmp); + swapl(&reply->nCharInfos, tmp); + swapl(&reply->nUniqCharInfos, tmp); + swapl(&reply->shmid, tmp); + swapl(&reply->shmsegoffset, tmp); + } + p = (char*) &reply[1]; + { + FontPropPtr pFP; + xFontProp* prFP; + int i; + for (i = 0, pFP = pFont->info.props, prFP = (xFontProp *) p; + i < nfontprops; + i++, pFP++, prFP++) { + prFP->name = pFP->name; + prFP->value = pFP->value; + if (client->swapped) { + char tmp; + swapl(&prFP->name, tmp); + swapl(&prFP->value, tmp); + } + } + p = (char*) prFP; + } + if (nCharInfos > 0 && shmid == -1) { + xCharInfo* pci; + CARD16* ps; + int i, j; + pci = (xCharInfo*) p; + for (i = 0; i < nUniqCharInfos; i++, pci++) { + *pci = pCI[pUniqIndex2Index[i]]; + if (client->swapped) + swapCharInfo(pci); + } + ps = (CARD16*) pci; + for (j = 0; j < nCharInfos; j++, ps++) { + *ps = pIndex2UniqIndex[j]; + if (client->swapped) { + char tmp; + swaps(ps, tmp); + } + } + } + WriteToClient(client, rlength, (char *)reply); + free(reply); + if (nCharInfos > 0) { + if (shmid == -1) free(pIndex2UniqIndex); + if (!pDesc) free(pCI); + } + return Success; + } +} + +static int +ProcXF86BigfontDispatch( + ClientPtr client) +{ + REQUEST(xReq); + + switch (stuff->data) { + case X_XF86BigfontQueryVersion: + return ProcXF86BigfontQueryVersion(client); + case X_XF86BigfontQueryFont: + return ProcXF86BigfontQueryFont(client); + default: + return BadRequest; + } +} + +static int +SProcXF86BigfontQueryVersion( + ClientPtr client) +{ + REQUEST(xXF86BigfontQueryVersionReq); + char tmp; + + swaps(&stuff->length, tmp); + return ProcXF86BigfontQueryVersion(client); +} + +static int +SProcXF86BigfontQueryFont( + ClientPtr client) +{ + REQUEST(xXF86BigfontQueryFontReq); + char tmp; + + swaps(&stuff->length, tmp); + REQUEST_SIZE_MATCH(xXF86BigfontQueryFontReq); + swapl(&stuff->id, tmp); + return ProcXF86BigfontQueryFont(client); +} + +static int +SProcXF86BigfontDispatch( + ClientPtr client) +{ + REQUEST(xReq); + + switch (stuff->data) { + case X_XF86BigfontQueryVersion: + return SProcXF86BigfontQueryVersion(client); + case X_XF86BigfontQueryFont: + return SProcXF86BigfontQueryFont(client); + default: + return BadRequest; + } +} + +void +XFree86BigfontExtensionInit(void) +{ + if (AddExtension(XF86BIGFONTNAME, + XF86BigfontNumberEvents, + XF86BigfontNumberErrors, + ProcXF86BigfontDispatch, + SProcXF86BigfontDispatch, + XF86BigfontResetProc, + StandardMinorOpcode)) { +#ifdef HAS_SHM +#ifdef MUST_CHECK_FOR_SHM_SYSCALL + /* + * Note: Local-clients will not be optimized without shared memory + * support. Remote-client optimization does not depend on shared + * memory support. Thus, the extension is still registered even + * when shared memory support is not functional. + */ + if (!CheckForShmSyscall()) { + ErrorF(XF86BIGFONTNAME " extension local-client optimization disabled due to lack of shared memory support in the kernel\n"); + return; + } +#endif + + srand((unsigned int) time(NULL)); + signature = ((unsigned int) (65536.0/(RAND_MAX+1.0) * rand()) << 16) + + (unsigned int) (65536.0/(RAND_MAX+1.0) * rand()); + /* fprintf(stderr, "signature = 0x%08X\n", signature); */ + + FontShmdescIndex = AllocateFontPrivateIndex(); + +#if !defined(CSRG_BASED) && !defined(__CYGWIN__) + pagesize = SHMLBA; +#else +# ifdef _SC_PAGESIZE + pagesize = sysconf(_SC_PAGESIZE); +# else + pagesize = getpagesize(); +# endif +#endif +#endif + } +} diff --git a/Xext/xf86bigfontsrv.h b/Xext/xf86bigfontsrv.h new file mode 100644 index 0000000..2c78dc4 --- /dev/null +++ b/Xext/xf86bigfontsrv.h @@ -0,0 +1,34 @@ +/* + * Copyright © 2010 Yaakov Selkowitz + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#ifndef _XF86BIGFONTSRV_H_ +#define _XF86BIGFONTSRV_H_ + +#include <X11/fonts/font.h> + +extern void XFree86BigfontExtensionInit(void); +extern void XF86BigfontFreeFontShm(FontPtr); +extern void XF86BigfontCleanup(void); + +#endif diff --git a/Xext/xres.c b/Xext/xres.c new file mode 100644 index 0000000..06639a2 --- /dev/null +++ b/Xext/xres.c @@ -0,0 +1,383 @@ +/* + Copyright (c) 2002 XFree86 Inc +*/ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include <stdio.h> +#include <string.h> +#include <X11/X.h> +#include <X11/Xproto.h> +#include "misc.h" +#include "os.h" +#include "dixstruct.h" +#include "extnsionst.h" +#include "swaprep.h" +#include "registry.h" +#include <X11/extensions/XResproto.h> +#include "pixmapstr.h" +#include "windowstr.h" +#include "gcstruct.h" +#include "modinit.h" +#include "protocol-versions.h" + +static int +ProcXResQueryVersion (ClientPtr client) +{ + REQUEST(xXResQueryVersionReq); + xXResQueryVersionReply rep; + CARD16 client_major, client_minor; /* not used */ + + REQUEST_SIZE_MATCH (xXResQueryVersionReq); + + client_major = stuff->client_major; + client_minor = stuff->client_minor; + (void) client_major; + (void) client_minor; + + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.server_major = SERVER_XRES_MAJOR_VERSION; + rep.server_minor = SERVER_XRES_MINOR_VERSION; + if (client->swapped) { + int n; + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swaps(&rep.server_major, n); + swaps(&rep.server_minor, n); + } + WriteToClient(client, sizeof (xXResQueryVersionReply), (char *)&rep); + return Success; +} + +static int +ProcXResQueryClients (ClientPtr client) +{ + /* REQUEST(xXResQueryClientsReq); */ + xXResQueryClientsReply rep; + int *current_clients; + int i, num_clients; + + REQUEST_SIZE_MATCH(xXResQueryClientsReq); + + current_clients = malloc(currentMaxClients * sizeof(int)); + + num_clients = 0; + for(i = 0; i < currentMaxClients; i++) { + if(clients[i]) { + current_clients[num_clients] = i; + num_clients++; + } + } + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.num_clients = num_clients; + rep.length = bytes_to_int32(rep.num_clients * sz_xXResClient); + if (client->swapped) { + int n; + swaps (&rep.sequenceNumber, n); + swapl (&rep.length, n); + swapl (&rep.num_clients, n); + } + WriteToClient (client, sizeof (xXResQueryClientsReply), (char *) &rep); + + if(num_clients) { + xXResClient scratch; + + for(i = 0; i < num_clients; i++) { + scratch.resource_base = clients[current_clients[i]]->clientAsMask; + scratch.resource_mask = RESOURCE_ID_MASK; + + if(client->swapped) { + int n; + swapl (&scratch.resource_base, n); + swapl (&scratch.resource_mask, n); + } + WriteToClient (client, sz_xXResClient, (char *) &scratch); + } + } + + free(current_clients); + + return Success; +} + + +static void +ResFindAllRes (pointer value, XID id, RESTYPE type, pointer cdata) +{ + int *counts = (int *)cdata; + + counts[(type & TypeMask) - 1]++; +} + +static int +ProcXResQueryClientResources (ClientPtr client) +{ + REQUEST(xXResQueryClientResourcesReq); + xXResQueryClientResourcesReply rep; + int i, clientID, num_types; + int *counts; + + REQUEST_SIZE_MATCH(xXResQueryClientResourcesReq); + + clientID = CLIENT_ID(stuff->xid); + + if((clientID >= currentMaxClients) || !clients[clientID]) { + client->errorValue = stuff->xid; + return BadValue; + } + + counts = calloc(lastResourceType + 1, sizeof(int)); + + FindAllClientResources(clients[clientID], ResFindAllRes, counts); + + num_types = 0; + + for(i = 0; i <= lastResourceType; i++) { + if(counts[i]) num_types++; + } + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.num_types = num_types; + rep.length = bytes_to_int32(rep.num_types * sz_xXResType); + if (client->swapped) { + int n; + swaps (&rep.sequenceNumber, n); + swapl (&rep.length, n); + swapl (&rep.num_types, n); + } + + WriteToClient (client,sizeof(xXResQueryClientResourcesReply),(char*)&rep); + + if(num_types) { + xXResType scratch; + char *name; + + for(i = 0; i < lastResourceType; i++) { + if(!counts[i]) continue; + + name = (char *)LookupResourceName(i + 1); + if (strcmp(name, XREGISTRY_UNKNOWN)) + scratch.resource_type = MakeAtom(name, strlen(name), TRUE); + else { + char buf[40]; + snprintf(buf, sizeof(buf), "Unregistered resource %i", i + 1); + scratch.resource_type = MakeAtom(buf, strlen(buf), TRUE); + } + + scratch.count = counts[i]; + + if(client->swapped) { + int n; + swapl (&scratch.resource_type, n); + swapl (&scratch.count, n); + } + WriteToClient (client, sz_xXResType, (char *) &scratch); + } + } + + free(counts); + + return Success; +} + +static unsigned long +ResGetApproxPixmapBytes (PixmapPtr pix) +{ + unsigned long nPixels; + int bytesPerPixel; + + bytesPerPixel = pix->drawable.bitsPerPixel>>3; + nPixels = pix->drawable.width * pix->drawable.height; + + /* Divide by refcnt as pixmap could be shared between clients, + * so total pixmap mem is shared between these. + */ + return ( nPixels * bytesPerPixel ) / pix->refcnt; +} + +static void +ResFindPixmaps (pointer value, XID id, pointer cdata) +{ + unsigned long *bytes = (unsigned long *)cdata; + PixmapPtr pix = (PixmapPtr)value; + + *bytes += ResGetApproxPixmapBytes(pix); +} + +static void +ResFindWindowPixmaps (pointer value, XID id, pointer cdata) +{ + unsigned long *bytes = (unsigned long *)cdata; + WindowPtr pWin = (WindowPtr)value; + + if (pWin->backgroundState == BackgroundPixmap) + *bytes += ResGetApproxPixmapBytes(pWin->background.pixmap); + + if (pWin->border.pixmap != NULL && !pWin->borderIsPixel) + *bytes += ResGetApproxPixmapBytes(pWin->border.pixmap); +} + +static void +ResFindGCPixmaps (pointer value, XID id, pointer cdata) +{ + unsigned long *bytes = (unsigned long *)cdata; + GCPtr pGC = (GCPtr)value; + + if (pGC->stipple != NULL) + *bytes += ResGetApproxPixmapBytes(pGC->stipple); + + if (pGC->tile.pixmap != NULL && !pGC->tileIsPixel) + *bytes += ResGetApproxPixmapBytes(pGC->tile.pixmap); +} + +static int +ProcXResQueryClientPixmapBytes (ClientPtr client) +{ + REQUEST(xXResQueryClientPixmapBytesReq); + xXResQueryClientPixmapBytesReply rep; + int clientID; + unsigned long bytes; + + REQUEST_SIZE_MATCH(xXResQueryClientPixmapBytesReq); + + clientID = CLIENT_ID(stuff->xid); + + if((clientID >= currentMaxClients) || !clients[clientID]) { + client->errorValue = stuff->xid; + return BadValue; + } + + bytes = 0; + + FindClientResourcesByType(clients[clientID], RT_PIXMAP, ResFindPixmaps, + (pointer)(&bytes)); + + /* + * Make sure win background pixmaps also held to account. + */ + FindClientResourcesByType(clients[clientID], RT_WINDOW, + ResFindWindowPixmaps, + (pointer)(&bytes)); + + /* + * GC Tile & Stipple pixmaps too. + */ + FindClientResourcesByType(clients[clientID], RT_GC, + ResFindGCPixmaps, + (pointer)(&bytes)); + +#ifdef COMPOSITE + /* FIXME: include composite pixmaps too */ +#endif + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.length = 0; + rep.bytes = bytes; +#ifdef _XSERVER64 + rep.bytes_overflow = bytes >> 32; +#else + rep.bytes_overflow = 0; +#endif + if (client->swapped) { + int n; + swaps (&rep.sequenceNumber, n); + swapl (&rep.length, n); + swapl (&rep.bytes, n); + swapl (&rep.bytes_overflow, n); + } + WriteToClient (client,sizeof(xXResQueryClientPixmapBytesReply),(char*)&rep); + + return Success; +} + +static int +ProcResDispatch (ClientPtr client) +{ + REQUEST(xReq); + switch (stuff->data) { + case X_XResQueryVersion: + return ProcXResQueryVersion(client); + case X_XResQueryClients: + return ProcXResQueryClients(client); + case X_XResQueryClientResources: + return ProcXResQueryClientResources(client); + case X_XResQueryClientPixmapBytes: + return ProcXResQueryClientPixmapBytes(client); + default: break; + } + + return BadRequest; +} + +static int +SProcXResQueryVersion (ClientPtr client) +{ + REQUEST(xXResQueryVersionReq); + int n; + + REQUEST_SIZE_MATCH (xXResQueryVersionReq); + swaps(&stuff->client_major,n); + swaps(&stuff->client_minor,n); + return ProcXResQueryVersion(client); +} + +static int +SProcXResQueryClientResources (ClientPtr client) +{ + REQUEST(xXResQueryClientResourcesReq); + int n; + + REQUEST_SIZE_MATCH (xXResQueryClientResourcesReq); + swaps(&stuff->xid,n); + return ProcXResQueryClientResources(client); +} + +static int +SProcXResQueryClientPixmapBytes (ClientPtr client) +{ + REQUEST(xXResQueryClientPixmapBytesReq); + int n; + + REQUEST_SIZE_MATCH (xXResQueryClientPixmapBytesReq); + swaps(&stuff->xid,n); + return ProcXResQueryClientPixmapBytes(client); +} + +static int +SProcResDispatch (ClientPtr client) +{ + REQUEST(xReq); + int n; + + swaps(&stuff->length,n); + + switch (stuff->data) { + case X_XResQueryVersion: + return SProcXResQueryVersion(client); + case X_XResQueryClients: /* nothing to swap */ + return ProcXResQueryClients(client); + case X_XResQueryClientResources: + return SProcXResQueryClientResources(client); + case X_XResQueryClientPixmapBytes: + return SProcXResQueryClientPixmapBytes(client); + default: break; + } + + return BadRequest; +} + +void +ResExtensionInit(INITARGS) +{ + (void) AddExtension(XRES_NAME, 0, 0, + ProcResDispatch, SProcResDispatch, + NULL, StandardMinorOpcode); +} diff --git a/Xext/xselinux.h b/Xext/xselinux.h new file mode 100644 index 0000000..5723982 --- /dev/null +++ b/Xext/xselinux.h @@ -0,0 +1,139 @@ +/************************************************************ + +Author: Eamon Walsh <ewalsh@tycho.nsa.gov> + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +this permission notice appear in supporting documentation. This permission +notice shall be included in all copies or substantial portions of the +Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +********************************************************/ + +#ifndef _XSELINUX_H +#define _XSELINUX_H + +/* Extension info */ +#define SELINUX_EXTENSION_NAME "SELinux" +#define SELINUX_MAJOR_VERSION 1 +#define SELINUX_MINOR_VERSION 1 +#define SELinuxNumberEvents 0 +#define SELinuxNumberErrors 0 + +/* Extension protocol */ +#define X_SELinuxQueryVersion 0 +#define X_SELinuxSetDeviceCreateContext 1 +#define X_SELinuxGetDeviceCreateContext 2 +#define X_SELinuxSetDeviceContext 3 +#define X_SELinuxGetDeviceContext 4 +#define X_SELinuxSetDrawableCreateContext 5 +#define X_SELinuxGetDrawableCreateContext 6 +#define X_SELinuxGetDrawableContext 7 +#define X_SELinuxSetPropertyCreateContext 8 +#define X_SELinuxGetPropertyCreateContext 9 +#define X_SELinuxSetPropertyUseContext 10 +#define X_SELinuxGetPropertyUseContext 11 +#define X_SELinuxGetPropertyContext 12 +#define X_SELinuxGetPropertyDataContext 13 +#define X_SELinuxListProperties 14 +#define X_SELinuxSetSelectionCreateContext 15 +#define X_SELinuxGetSelectionCreateContext 16 +#define X_SELinuxSetSelectionUseContext 17 +#define X_SELinuxGetSelectionUseContext 18 +#define X_SELinuxGetSelectionContext 19 +#define X_SELinuxGetSelectionDataContext 20 +#define X_SELinuxListSelections 21 +#define X_SELinuxGetClientContext 22 + +typedef struct { + CARD8 reqType; + CARD8 SELinuxReqType; + CARD16 length; + CARD8 client_major; + CARD8 client_minor; +} SELinuxQueryVersionReq; + +typedef struct { + CARD8 type; + CARD8 pad1; + CARD16 sequenceNumber; + CARD32 length; + CARD16 server_major; + CARD16 server_minor; + CARD32 pad2; + CARD32 pad3; + CARD32 pad4; + CARD32 pad5; + CARD32 pad6; +} SELinuxQueryVersionReply; + +typedef struct { + CARD8 reqType; + CARD8 SELinuxReqType; + CARD16 length; + CARD32 context_len; +} SELinuxSetCreateContextReq; + +typedef struct { + CARD8 reqType; + CARD8 SELinuxReqType; + CARD16 length; +} SELinuxGetCreateContextReq; + +typedef struct { + CARD8 reqType; + CARD8 SELinuxReqType; + CARD16 length; + CARD32 id; + CARD32 context_len; +} SELinuxSetContextReq; + +typedef struct { + CARD8 reqType; + CARD8 SELinuxReqType; + CARD16 length; + CARD32 id; +} SELinuxGetContextReq; + +typedef struct { + CARD8 reqType; + CARD8 SELinuxReqType; + CARD16 length; + CARD32 window; + CARD32 property; +} SELinuxGetPropertyContextReq; + +typedef struct { + CARD8 type; + CARD8 pad1; + CARD16 sequenceNumber; + CARD32 length; + CARD32 context_len; + CARD32 pad2; + CARD32 pad3; + CARD32 pad4; + CARD32 pad5; + CARD32 pad6; +} SELinuxGetContextReply; + +typedef struct { + CARD8 type; + CARD8 pad1; + CARD16 sequenceNumber; + CARD32 length; + CARD32 count; + CARD32 pad2; + CARD32 pad3; + CARD32 pad4; + CARD32 pad5; + CARD32 pad6; +} SELinuxListItemsReply; + +#endif /* _XSELINUX_H */ diff --git a/Xext/xselinux_ext.c b/Xext/xselinux_ext.c new file mode 100644 index 0000000..374571c --- /dev/null +++ b/Xext/xselinux_ext.c @@ -0,0 +1,732 @@ +/************************************************************ + +Author: Eamon Walsh <ewalsh@tycho.nsa.gov> + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +this permission notice appear in supporting documentation. This permission +notice shall be included in all copies or substantial portions of the +Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +********************************************************/ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include "selection.h" +#include "inputstr.h" +#include "windowstr.h" +#include "propertyst.h" +#include "extnsionst.h" +#include "modinit.h" +#include "xselinuxint.h" + +#define CTX_DEV offsetof(SELinuxSubjectRec, dev_create_sid) +#define CTX_WIN offsetof(SELinuxSubjectRec, win_create_sid) +#define CTX_PRP offsetof(SELinuxSubjectRec, prp_create_sid) +#define CTX_SEL offsetof(SELinuxSubjectRec, sel_create_sid) +#define USE_PRP offsetof(SELinuxSubjectRec, prp_use_sid) +#define USE_SEL offsetof(SELinuxSubjectRec, sel_use_sid) + +typedef struct { + security_context_t octx; + security_context_t dctx; + CARD32 octx_len; + CARD32 dctx_len; + CARD32 id; +} SELinuxListItemRec; + + +/* + * Extension Dispatch + */ + +static security_context_t +SELinuxCopyContext(char *ptr, unsigned len) +{ + security_context_t copy = malloc(len + 1); + if (!copy) + return NULL; + strncpy(copy, ptr, len); + copy[len] = '\0'; + return copy; +} + +static int +ProcSELinuxQueryVersion(ClientPtr client) +{ + SELinuxQueryVersionReply rep; + + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.server_major = SELINUX_MAJOR_VERSION; + rep.server_minor = SELINUX_MINOR_VERSION; + if (client->swapped) { + int n; + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swaps(&rep.server_major, n); + swaps(&rep.server_minor, n); + } + WriteToClient(client, sizeof(rep), (char *)&rep); + return Success; +} + +static int +SELinuxSendContextReply(ClientPtr client, security_id_t sid) +{ + SELinuxGetContextReply rep; + security_context_t ctx = NULL; + int len = 0; + + if (sid) { + if (avc_sid_to_context_raw(sid, &ctx) < 0) + return BadValue; + len = strlen(ctx) + 1; + } + + rep.type = X_Reply; + rep.length = bytes_to_int32(len); + rep.sequenceNumber = client->sequence; + rep.context_len = len; + + if (client->swapped) { + int n; + swapl(&rep.length, n); + swaps(&rep.sequenceNumber, n); + swapl(&rep.context_len, n); + } + + WriteToClient(client, sizeof(SELinuxGetContextReply), (char *)&rep); + WriteToClient(client, len, ctx); + freecon(ctx); + return Success; +} + +static int +ProcSELinuxSetCreateContext(ClientPtr client, unsigned offset) +{ + PrivateRec **privPtr = &client->devPrivates; + security_id_t *pSid; + security_context_t ctx = NULL; + char *ptr; + int rc; + + REQUEST(SELinuxSetCreateContextReq); + REQUEST_FIXED_SIZE(SELinuxSetCreateContextReq, stuff->context_len); + + if (stuff->context_len > 0) { + ctx = SELinuxCopyContext((char *)(stuff + 1), stuff->context_len); + if (!ctx) + return BadAlloc; + } + + ptr = dixLookupPrivate(privPtr, subjectKey); + pSid = (security_id_t *)(ptr + offset); + *pSid = NULL; + + rc = Success; + if (stuff->context_len > 0) { + if (security_check_context_raw(ctx) < 0 || + avc_context_to_sid_raw(ctx, pSid) < 0) + rc = BadValue; + } + + free(ctx); + return rc; +} + +static int +ProcSELinuxGetCreateContext(ClientPtr client, unsigned offset) +{ + security_id_t *pSid; + char *ptr; + + REQUEST_SIZE_MATCH(SELinuxGetCreateContextReq); + + if (offset == CTX_DEV) + ptr = dixLookupPrivate(&serverClient->devPrivates, subjectKey); + else + ptr = dixLookupPrivate(&client->devPrivates, subjectKey); + + pSid = (security_id_t *)(ptr + offset); + return SELinuxSendContextReply(client, *pSid); +} + +static int +ProcSELinuxSetDeviceContext(ClientPtr client) +{ + security_context_t ctx; + security_id_t sid; + DeviceIntPtr dev; + SELinuxSubjectRec *subj; + SELinuxObjectRec *obj; + int rc; + + REQUEST(SELinuxSetContextReq); + REQUEST_FIXED_SIZE(SELinuxSetContextReq, stuff->context_len); + + if (stuff->context_len < 1) + return BadLength; + ctx = SELinuxCopyContext((char *)(stuff + 1), stuff->context_len); + if (!ctx) + return BadAlloc; + + rc = dixLookupDevice(&dev, stuff->id, client, DixManageAccess); + if (rc != Success) + goto out; + + if (security_check_context_raw(ctx) < 0 || + avc_context_to_sid_raw(ctx, &sid) < 0) { + rc = BadValue; + goto out; + } + + subj = dixLookupPrivate(&dev->devPrivates, subjectKey); + subj->sid = sid; + obj = dixLookupPrivate(&dev->devPrivates, objectKey); + obj->sid = sid; + + rc = Success; +out: + free(ctx); + return rc; +} + +static int +ProcSELinuxGetDeviceContext(ClientPtr client) +{ + DeviceIntPtr dev; + SELinuxSubjectRec *subj; + int rc; + + REQUEST(SELinuxGetContextReq); + REQUEST_SIZE_MATCH(SELinuxGetContextReq); + + rc = dixLookupDevice(&dev, stuff->id, client, DixGetAttrAccess); + if (rc != Success) + return rc; + + subj = dixLookupPrivate(&dev->devPrivates, subjectKey); + return SELinuxSendContextReply(client, subj->sid); +} + +static int +ProcSELinuxGetDrawableContext(ClientPtr client) +{ + DrawablePtr pDraw; + PrivateRec **privatePtr; + SELinuxObjectRec *obj; + int rc; + + REQUEST(SELinuxGetContextReq); + REQUEST_SIZE_MATCH(SELinuxGetContextReq); + + rc = dixLookupDrawable(&pDraw, stuff->id, client, 0, DixGetAttrAccess); + if (rc != Success) + return rc; + + if (pDraw->type == DRAWABLE_PIXMAP) + privatePtr = &((PixmapPtr)pDraw)->devPrivates; + else + privatePtr = &((WindowPtr)pDraw)->devPrivates; + + obj = dixLookupPrivate(privatePtr, objectKey); + return SELinuxSendContextReply(client, obj->sid); +} + +static int +ProcSELinuxGetPropertyContext(ClientPtr client, pointer privKey) +{ + WindowPtr pWin; + PropertyPtr pProp; + SELinuxObjectRec *obj; + int rc; + + REQUEST(SELinuxGetPropertyContextReq); + REQUEST_SIZE_MATCH(SELinuxGetPropertyContextReq); + + rc = dixLookupWindow(&pWin, stuff->window, client, DixGetPropAccess); + if (rc != Success) + return rc; + + rc = dixLookupProperty(&pProp, pWin, stuff->property, client, + DixGetAttrAccess); + if (rc != Success) + return rc; + + obj = dixLookupPrivate(&pProp->devPrivates, privKey); + return SELinuxSendContextReply(client, obj->sid); +} + +static int +ProcSELinuxGetSelectionContext(ClientPtr client, pointer privKey) +{ + Selection *pSel; + SELinuxObjectRec *obj; + int rc; + + REQUEST(SELinuxGetContextReq); + REQUEST_SIZE_MATCH(SELinuxGetContextReq); + + rc = dixLookupSelection(&pSel, stuff->id, client, DixGetAttrAccess); + if (rc != Success) + return rc; + + obj = dixLookupPrivate(&pSel->devPrivates, privKey); + return SELinuxSendContextReply(client, obj->sid); +} + +static int +ProcSELinuxGetClientContext(ClientPtr client) +{ + ClientPtr target; + SELinuxSubjectRec *subj; + int rc; + + REQUEST(SELinuxGetContextReq); + REQUEST_SIZE_MATCH(SELinuxGetContextReq); + + rc = dixLookupClient(&target, stuff->id, client, DixGetAttrAccess); + if (rc != Success) + return rc; + + subj = dixLookupPrivate(&target->devPrivates, subjectKey); + return SELinuxSendContextReply(client, subj->sid); +} + +static int +SELinuxPopulateItem(SELinuxListItemRec *i, PrivateRec **privPtr, CARD32 id, + int *size) +{ + SELinuxObjectRec *obj = dixLookupPrivate(privPtr, objectKey); + SELinuxObjectRec *data = dixLookupPrivate(privPtr, dataKey); + + if (avc_sid_to_context_raw(obj->sid, &i->octx) < 0) + return BadValue; + if (avc_sid_to_context_raw(data->sid, &i->dctx) < 0) + return BadValue; + + i->id = id; + i->octx_len = bytes_to_int32(strlen(i->octx) + 1); + i->dctx_len = bytes_to_int32(strlen(i->dctx) + 1); + + *size += i->octx_len + i->dctx_len + 3; + return Success; +} + +static void +SELinuxFreeItems(SELinuxListItemRec *items, int count) +{ + int k; + for (k = 0; k < count; k++) { + freecon(items[k].octx); + freecon(items[k].dctx); + } + free(items); +} + +static int +SELinuxSendItemsToClient(ClientPtr client, SELinuxListItemRec *items, + int size, int count) +{ + int rc, k, n, pos = 0; + SELinuxListItemsReply rep; + CARD32 *buf; + + buf = calloc(size, sizeof(CARD32)); + if (size && !buf) { + rc = BadAlloc; + goto out; + } + + /* Fill in the buffer */ + for (k = 0; k < count; k++) { + buf[pos] = items[k].id; + if (client->swapped) + swapl(buf + pos, n); + pos++; + + buf[pos] = items[k].octx_len * 4; + if (client->swapped) + swapl(buf + pos, n); + pos++; + + buf[pos] = items[k].dctx_len * 4; + if (client->swapped) + swapl(buf + pos, n); + pos++; + + memcpy((char *)(buf + pos), items[k].octx, strlen(items[k].octx) + 1); + pos += items[k].octx_len; + memcpy((char *)(buf + pos), items[k].dctx, strlen(items[k].dctx) + 1); + pos += items[k].dctx_len; + } + + /* Send reply to client */ + rep.type = X_Reply; + rep.length = size; + rep.sequenceNumber = client->sequence; + rep.count = count; + + if (client->swapped) { + swapl(&rep.length, n); + swaps(&rep.sequenceNumber, n); + swapl(&rep.count, n); + } + + WriteToClient(client, sizeof(SELinuxListItemsReply), (char *)&rep); + WriteToClient(client, size * 4, (char *)buf); + + /* Free stuff and return */ + rc = Success; + free(buf); +out: + SELinuxFreeItems(items, count); + return rc; +} + +static int +ProcSELinuxListProperties(ClientPtr client) +{ + WindowPtr pWin; + PropertyPtr pProp; + SELinuxListItemRec *items; + int rc, count, size, i; + CARD32 id; + + REQUEST(SELinuxGetContextReq); + REQUEST_SIZE_MATCH(SELinuxGetContextReq); + + rc = dixLookupWindow(&pWin, stuff->id, client, DixListPropAccess); + if (rc != Success) + return rc; + + /* Count the number of properties and allocate items */ + count = 0; + for (pProp = wUserProps(pWin); pProp; pProp = pProp->next) + count++; + items = calloc(count, sizeof(SELinuxListItemRec)); + if (count && !items) + return BadAlloc; + + /* Fill in the items and calculate size */ + i = 0; + size = 0; + for (pProp = wUserProps(pWin); pProp; pProp = pProp->next) { + id = pProp->propertyName; + rc = SELinuxPopulateItem(items + i, &pProp->devPrivates, id, &size); + if (rc != Success) { + SELinuxFreeItems(items, count); + return rc; + } + i++; + } + + return SELinuxSendItemsToClient(client, items, size, count); +} + +static int +ProcSELinuxListSelections(ClientPtr client) +{ + Selection *pSel; + SELinuxListItemRec *items; + int rc, count, size, i; + CARD32 id; + + REQUEST_SIZE_MATCH(SELinuxGetCreateContextReq); + + /* Count the number of selections and allocate items */ + count = 0; + for (pSel = CurrentSelections; pSel; pSel = pSel->next) + count++; + items = calloc(count, sizeof(SELinuxListItemRec)); + if (count && !items) + return BadAlloc; + + /* Fill in the items and calculate size */ + i = 0; + size = 0; + for (pSel = CurrentSelections; pSel; pSel = pSel->next) { + id = pSel->selection; + rc = SELinuxPopulateItem(items + i, &pSel->devPrivates, id, &size); + if (rc != Success) { + SELinuxFreeItems(items, count); + return rc; + } + i++; + } + + return SELinuxSendItemsToClient(client, items, size, count); +} + +static int +ProcSELinuxDispatch(ClientPtr client) +{ + REQUEST(xReq); + switch (stuff->data) { + case X_SELinuxQueryVersion: + return ProcSELinuxQueryVersion(client); + case X_SELinuxSetDeviceCreateContext: + return ProcSELinuxSetCreateContext(client, CTX_DEV); + case X_SELinuxGetDeviceCreateContext: + return ProcSELinuxGetCreateContext(client, CTX_DEV); + case X_SELinuxSetDeviceContext: + return ProcSELinuxSetDeviceContext(client); + case X_SELinuxGetDeviceContext: + return ProcSELinuxGetDeviceContext(client); + case X_SELinuxSetDrawableCreateContext: + return ProcSELinuxSetCreateContext(client, CTX_WIN); + case X_SELinuxGetDrawableCreateContext: + return ProcSELinuxGetCreateContext(client, CTX_WIN); + case X_SELinuxGetDrawableContext: + return ProcSELinuxGetDrawableContext(client); + case X_SELinuxSetPropertyCreateContext: + return ProcSELinuxSetCreateContext(client, CTX_PRP); + case X_SELinuxGetPropertyCreateContext: + return ProcSELinuxGetCreateContext(client, CTX_PRP); + case X_SELinuxSetPropertyUseContext: + return ProcSELinuxSetCreateContext(client, USE_PRP); + case X_SELinuxGetPropertyUseContext: + return ProcSELinuxGetCreateContext(client, USE_PRP); + case X_SELinuxGetPropertyContext: + return ProcSELinuxGetPropertyContext(client, objectKey); + case X_SELinuxGetPropertyDataContext: + return ProcSELinuxGetPropertyContext(client, dataKey); + case X_SELinuxListProperties: + return ProcSELinuxListProperties(client); + case X_SELinuxSetSelectionCreateContext: + return ProcSELinuxSetCreateContext(client, CTX_SEL); + case X_SELinuxGetSelectionCreateContext: + return ProcSELinuxGetCreateContext(client, CTX_SEL); + case X_SELinuxSetSelectionUseContext: + return ProcSELinuxSetCreateContext(client, USE_SEL); + case X_SELinuxGetSelectionUseContext: + return ProcSELinuxGetCreateContext(client, USE_SEL); + case X_SELinuxGetSelectionContext: + return ProcSELinuxGetSelectionContext(client, objectKey); + case X_SELinuxGetSelectionDataContext: + return ProcSELinuxGetSelectionContext(client, dataKey); + case X_SELinuxListSelections: + return ProcSELinuxListSelections(client); + case X_SELinuxGetClientContext: + return ProcSELinuxGetClientContext(client); + default: + return BadRequest; + } +} + +static int +SProcSELinuxQueryVersion(ClientPtr client) +{ + REQUEST(SELinuxQueryVersionReq); + int n; + + REQUEST_SIZE_MATCH(SELinuxQueryVersionReq); + swaps(&stuff->client_major, n); + swaps(&stuff->client_minor, n); + return ProcSELinuxQueryVersion(client); +} + +static int +SProcSELinuxSetCreateContext(ClientPtr client, unsigned offset) +{ + REQUEST(SELinuxSetCreateContextReq); + int n; + + REQUEST_AT_LEAST_SIZE(SELinuxSetCreateContextReq); + swapl(&stuff->context_len, n); + return ProcSELinuxSetCreateContext(client, offset); +} + +static int +SProcSELinuxSetDeviceContext(ClientPtr client) +{ + REQUEST(SELinuxSetContextReq); + int n; + + REQUEST_AT_LEAST_SIZE(SELinuxSetContextReq); + swapl(&stuff->id, n); + swapl(&stuff->context_len, n); + return ProcSELinuxSetDeviceContext(client); +} + +static int +SProcSELinuxGetDeviceContext(ClientPtr client) +{ + REQUEST(SELinuxGetContextReq); + int n; + + REQUEST_SIZE_MATCH(SELinuxGetContextReq); + swapl(&stuff->id, n); + return ProcSELinuxGetDeviceContext(client); +} + +static int +SProcSELinuxGetDrawableContext(ClientPtr client) +{ + REQUEST(SELinuxGetContextReq); + int n; + + REQUEST_SIZE_MATCH(SELinuxGetContextReq); + swapl(&stuff->id, n); + return ProcSELinuxGetDrawableContext(client); +} + +static int +SProcSELinuxGetPropertyContext(ClientPtr client, pointer privKey) +{ + REQUEST(SELinuxGetPropertyContextReq); + int n; + + REQUEST_SIZE_MATCH(SELinuxGetPropertyContextReq); + swapl(&stuff->window, n); + swapl(&stuff->property, n); + return ProcSELinuxGetPropertyContext(client, privKey); +} + +static int +SProcSELinuxGetSelectionContext(ClientPtr client, pointer privKey) +{ + REQUEST(SELinuxGetContextReq); + int n; + + REQUEST_SIZE_MATCH(SELinuxGetContextReq); + swapl(&stuff->id, n); + return ProcSELinuxGetSelectionContext(client, privKey); +} + +static int +SProcSELinuxListProperties(ClientPtr client) +{ + REQUEST(SELinuxGetContextReq); + int n; + + REQUEST_SIZE_MATCH(SELinuxGetContextReq); + swapl(&stuff->id, n); + return ProcSELinuxListProperties(client); +} + +static int +SProcSELinuxGetClientContext(ClientPtr client) +{ + REQUEST(SELinuxGetContextReq); + int n; + + REQUEST_SIZE_MATCH(SELinuxGetContextReq); + swapl(&stuff->id, n); + return ProcSELinuxGetClientContext(client); +} + +static int +SProcSELinuxDispatch(ClientPtr client) +{ + REQUEST(xReq); + int n; + + swaps(&stuff->length, n); + + switch (stuff->data) { + case X_SELinuxQueryVersion: + return SProcSELinuxQueryVersion(client); + case X_SELinuxSetDeviceCreateContext: + return SProcSELinuxSetCreateContext(client, CTX_DEV); + case X_SELinuxGetDeviceCreateContext: + return ProcSELinuxGetCreateContext(client, CTX_DEV); + case X_SELinuxSetDeviceContext: + return SProcSELinuxSetDeviceContext(client); + case X_SELinuxGetDeviceContext: + return SProcSELinuxGetDeviceContext(client); + case X_SELinuxSetDrawableCreateContext: + return SProcSELinuxSetCreateContext(client, CTX_WIN); + case X_SELinuxGetDrawableCreateContext: + return ProcSELinuxGetCreateContext(client, CTX_WIN); + case X_SELinuxGetDrawableContext: + return SProcSELinuxGetDrawableContext(client); + case X_SELinuxSetPropertyCreateContext: + return SProcSELinuxSetCreateContext(client, CTX_PRP); + case X_SELinuxGetPropertyCreateContext: + return ProcSELinuxGetCreateContext(client, CTX_PRP); + case X_SELinuxSetPropertyUseContext: + return SProcSELinuxSetCreateContext(client, USE_PRP); + case X_SELinuxGetPropertyUseContext: + return ProcSELinuxGetCreateContext(client, USE_PRP); + case X_SELinuxGetPropertyContext: + return SProcSELinuxGetPropertyContext(client, objectKey); + case X_SELinuxGetPropertyDataContext: + return SProcSELinuxGetPropertyContext(client, dataKey); + case X_SELinuxListProperties: + return SProcSELinuxListProperties(client); + case X_SELinuxSetSelectionCreateContext: + return SProcSELinuxSetCreateContext(client, CTX_SEL); + case X_SELinuxGetSelectionCreateContext: + return ProcSELinuxGetCreateContext(client, CTX_SEL); + case X_SELinuxSetSelectionUseContext: + return SProcSELinuxSetCreateContext(client, USE_SEL); + case X_SELinuxGetSelectionUseContext: + return ProcSELinuxGetCreateContext(client, USE_SEL); + case X_SELinuxGetSelectionContext: + return SProcSELinuxGetSelectionContext(client, objectKey); + case X_SELinuxGetSelectionDataContext: + return SProcSELinuxGetSelectionContext(client, dataKey); + case X_SELinuxListSelections: + return ProcSELinuxListSelections(client); + case X_SELinuxGetClientContext: + return SProcSELinuxGetClientContext(client); + default: + return BadRequest; + } +} + + +/* + * Extension Setup / Teardown + */ + +static void +SELinuxResetProc(ExtensionEntry *extEntry) +{ + SELinuxFlaskReset(); + SELinuxLabelReset(); +} + +void +SELinuxExtensionInit(INITARGS) +{ + ExtensionEntry *extEntry; + + /* Check SELinux mode on system, configuration file, and boolean */ + if (!is_selinux_enabled()) { + LogMessage(X_INFO, "SELinux: Disabled on system\n"); + return; + } + if (selinuxEnforcingState == SELINUX_MODE_DISABLED) { + LogMessage(X_INFO, "SELinux: Disabled in configuration file\n"); + return; + } + if (!security_get_boolean_active("xserver_object_manager")) { + LogMessage(X_INFO, "SELinux: Disabled by boolean\n"); + return; + } + + /* Set up XACE hooks */ + SELinuxLabelInit(); + SELinuxFlaskInit(); + + /* Add extension to server */ + extEntry = AddExtension(SELINUX_EXTENSION_NAME, + SELinuxNumberEvents, SELinuxNumberErrors, + ProcSELinuxDispatch, SProcSELinuxDispatch, + SELinuxResetProc, StandardMinorOpcode); + + AddExtensionAlias("Flask", extEntry); +} diff --git a/Xext/xselinux_hooks.c b/Xext/xselinux_hooks.c new file mode 100644 index 0000000..560e1e9 --- /dev/null +++ b/Xext/xselinux_hooks.c @@ -0,0 +1,935 @@ +/************************************************************ + +Author: Eamon Walsh <ewalsh@tycho.nsa.gov> + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +this permission notice appear in supporting documentation. This permission +notice shall be included in all copies or substantial portions of the +Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +********************************************************/ + +/* + * Portions of this code copyright (c) 2005 by Trusted Computer Solutions, Inc. + * All rights reserved. + */ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include <sys/socket.h> +#include <stdio.h> +#include <stdarg.h> + +#include <libaudit.h> + +#include <X11/Xatom.h> +#include "selection.h" +#include "inputstr.h" +#include "scrnintstr.h" +#include "windowstr.h" +#include "propertyst.h" +#include "extnsionst.h" +#include "xacestr.h" +#include "../os/osdep.h" +#define _XSELINUX_NEED_FLASK_MAP +#include "xselinuxint.h" + + +/* structure passed to auditing callback */ +typedef struct { + ClientPtr client; /* client */ + DeviceIntPtr dev; /* device */ + char *command; /* client's executable path */ + unsigned id; /* resource id, if any */ + int restype; /* resource type, if any */ + int event; /* event type, if any */ + Atom property; /* property name, if any */ + Atom selection; /* selection name, if any */ + char *extension; /* extension name, if any */ +} SELinuxAuditRec; + +/* private state keys */ +DevPrivateKeyRec subjectKeyRec; +DevPrivateKeyRec objectKeyRec; +DevPrivateKeyRec dataKeyRec; + +/* audit file descriptor */ +static int audit_fd; + +/* atoms for window label properties */ +static Atom atom_ctx; +static Atom atom_client_ctx; + +/* The unlabeled SID */ +static security_id_t unlabeled_sid; + +/* forward declarations */ +static void SELinuxScreen(CallbackListPtr *, pointer, pointer); + +/* "true" pointer value for use as callback data */ +static pointer truep = (pointer)1; + + +/* + * Performs an SELinux permission check. + */ +static int +SELinuxDoCheck(SELinuxSubjectRec *subj, SELinuxObjectRec *obj, + security_class_t class, Mask mode, SELinuxAuditRec *auditdata) +{ + /* serverClient requests OK */ + if (subj->privileged) + return Success; + + auditdata->command = subj->command; + errno = 0; + + if (avc_has_perm(subj->sid, obj->sid, class, mode, &subj->aeref, + auditdata) < 0) { + if (mode == DixUnknownAccess) + return Success; /* DixUnknownAccess requests OK ... for now */ + if (errno == EACCES) + return BadAccess; + ErrorF("SELinux: avc_has_perm: unexpected error %d\n", errno); + return BadValue; + } + + return Success; +} + +/* + * Labels a newly connected client. + */ +static void +SELinuxLabelClient(ClientPtr client) +{ + int fd = XaceGetConnectionNumber(client); + SELinuxSubjectRec *subj; + SELinuxObjectRec *obj; + security_context_t ctx; + + subj = dixLookupPrivate(&client->devPrivates, subjectKey); + obj = dixLookupPrivate(&client->devPrivates, objectKey); + + /* Try to get a context from the socket */ + if (fd < 0 || getpeercon_raw(fd, &ctx) < 0) { + /* Otherwise, fall back to a default context */ + ctx = SELinuxDefaultClientLabel(); + } + + /* For local clients, try and determine the executable name */ + if (XaceIsLocal(client)) { + struct ucred creds; + socklen_t len = sizeof(creds); + char path[PATH_MAX + 1]; + size_t bytes; + + memset(&creds, 0, sizeof(creds)); + if (getsockopt(fd, SOL_SOCKET, SO_PEERCRED, &creds, &len) < 0) + goto finish; + + snprintf(path, PATH_MAX + 1, "/proc/%d/cmdline", creds.pid); + fd = open(path, O_RDONLY); + if (fd < 0) + goto finish; + + bytes = read(fd, path, PATH_MAX + 1); + close(fd); + if (bytes <= 0) + goto finish; + + strncpy(subj->command, path, COMMAND_LEN - 1); + } + +finish: + /* Get a SID from the context */ + if (avc_context_to_sid_raw(ctx, &subj->sid) < 0) + FatalError("SELinux: client %d: context_to_sid_raw(%s) failed\n", + client->index, ctx); + + obj->sid = subj->sid; + freecon(ctx); +} + +/* + * Labels initial server objects. + */ +static void +SELinuxLabelInitial(void) +{ + int i; + XaceScreenAccessRec srec; + SELinuxSubjectRec *subj; + SELinuxObjectRec *obj; + security_context_t ctx; + pointer unused; + + /* Do the serverClient */ + subj = dixLookupPrivate(&serverClient->devPrivates, subjectKey); + obj = dixLookupPrivate(&serverClient->devPrivates, objectKey); + subj->privileged = 1; + + /* Use the context of the X server process for the serverClient */ + if (getcon_raw(&ctx) < 0) + FatalError("SELinux: couldn't get context of X server process\n"); + + /* Get a SID from the context */ + if (avc_context_to_sid_raw(ctx, &subj->sid) < 0) + FatalError("SELinux: serverClient: context_to_sid(%s) failed\n", ctx); + + obj->sid = subj->sid; + freecon(ctx); + + srec.client = serverClient; + srec.access_mode = DixCreateAccess; + srec.status = Success; + + for (i = 0; i < screenInfo.numScreens; i++) { + /* Do the screen object */ + srec.screen = screenInfo.screens[i]; + SELinuxScreen(NULL, NULL, &srec); + + /* Do the default colormap */ + dixLookupResourceByType(&unused, screenInfo.screens[i]->defColormap, + RT_COLORMAP, serverClient, DixCreateAccess); + } +} + +/* + * Labels new resource objects. + */ +static int +SELinuxLabelResource(XaceResourceAccessRec *rec, SELinuxSubjectRec *subj, + SELinuxObjectRec *obj, security_class_t class) +{ + int offset; + security_id_t tsid; + + /* Check for a create context */ + if (rec->rtype & RC_DRAWABLE && subj->win_create_sid) { + obj->sid = subj->win_create_sid; + return Success; + } + + if (rec->parent) + offset = dixLookupPrivateOffset(rec->ptype); + + if (rec->parent && offset >= 0) { + /* Use the SID of the parent object in the labeling operation */ + PrivateRec **privatePtr = DEVPRIV_AT(rec->parent, offset); + SELinuxObjectRec *pobj = dixLookupPrivate(privatePtr, objectKey); + tsid = pobj->sid; + } else { + /* Use the SID of the subject */ + tsid = subj->sid; + } + + /* Perform a transition to obtain the final SID */ + if (avc_compute_create(subj->sid, tsid, class, &obj->sid) < 0) { + ErrorF("SELinux: a compute_create call failed!\n"); + return BadValue; + } + + return Success; +} + + +/* + * Libselinux Callbacks + */ + +static int +SELinuxAudit(void *auditdata, + security_class_t class, + char *msgbuf, + size_t msgbufsize) +{ + SELinuxAuditRec *audit = auditdata; + ClientPtr client = audit->client; + char idNum[16]; + const char *propertyName, *selectionName; + int major = -1, minor = -1; + + if (client) { + REQUEST(xReq); + if (stuff) { + major = stuff->reqType; + minor = MinorOpcodeOfRequest(client); + } + } + if (audit->id) + snprintf(idNum, 16, "%x", audit->id); + + propertyName = audit->property ? NameForAtom(audit->property) : NULL; + selectionName = audit->selection ? NameForAtom(audit->selection) : NULL; + + return snprintf(msgbuf, msgbufsize, + "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s", + (major >= 0) ? "request=" : "", + (major >= 0) ? LookupRequestName(major, minor) : "", + audit->command ? " comm=" : "", + audit->command ? audit->command : "", + audit->dev ? " xdevice=\"" : "", + audit->dev ? audit->dev->name : "", + audit->dev ? "\"" : "", + audit->id ? " resid=" : "", + audit->id ? idNum : "", + audit->restype ? " restype=" : "", + audit->restype ? LookupResourceName(audit->restype) : "", + audit->event ? " event=" : "", + audit->event ? LookupEventName(audit->event & 127) : "", + audit->property ? " property=" : "", + audit->property ? propertyName : "", + audit->selection ? " selection=" : "", + audit->selection ? selectionName : "", + audit->extension ? " extension=" : "", + audit->extension ? audit->extension : ""); +} + +static int +SELinuxLog(int type, const char *fmt, ...) +{ + va_list ap; + char buf[MAX_AUDIT_MESSAGE_LENGTH]; + int rc, aut; + + switch (type) { + case SELINUX_INFO: + aut = AUDIT_USER_MAC_POLICY_LOAD; + break; + case SELINUX_AVC: + aut = AUDIT_USER_AVC; + break; + default: + aut = AUDIT_USER_SELINUX_ERR; + break; + } + + va_start(ap, fmt); + vsnprintf(buf, MAX_AUDIT_MESSAGE_LENGTH, fmt, ap); + rc = audit_log_user_avc_message(audit_fd, aut, buf, NULL, NULL, NULL, 0); + va_end(ap); + LogMessageVerb(X_WARNING, 0, "%s", buf); + return 0; +} + +/* + * XACE Callbacks + */ + +static void +SELinuxDevice(CallbackListPtr *pcbl, pointer unused, pointer calldata) +{ + XaceDeviceAccessRec *rec = calldata; + SELinuxSubjectRec *subj; + SELinuxObjectRec *obj; + SELinuxAuditRec auditdata = { .client = rec->client, .dev = rec->dev }; + security_class_t cls; + int rc; + + subj = dixLookupPrivate(&rec->client->devPrivates, subjectKey); + obj = dixLookupPrivate(&rec->dev->devPrivates, objectKey); + + /* If this is a new object that needs labeling, do it now */ + if (rec->access_mode & DixCreateAccess) { + SELinuxSubjectRec *dsubj; + dsubj = dixLookupPrivate(&rec->dev->devPrivates, subjectKey); + + if (subj->dev_create_sid) { + /* Label the device with the create context */ + obj->sid = subj->dev_create_sid; + dsubj->sid = subj->dev_create_sid; + } else { + /* Label the device directly with the process SID */ + obj->sid = subj->sid; + dsubj->sid = subj->sid; + } + } + + cls = IsPointerDevice(rec->dev) ? SECCLASS_X_POINTER : SECCLASS_X_KEYBOARD; + rc = SELinuxDoCheck(subj, obj, cls, rec->access_mode, &auditdata); + if (rc != Success) + rec->status = rc; +} + +static void +SELinuxSend(CallbackListPtr *pcbl, pointer unused, pointer calldata) +{ + XaceSendAccessRec *rec = calldata; + SELinuxSubjectRec *subj; + SELinuxObjectRec *obj, ev_sid; + SELinuxAuditRec auditdata = { .client = rec->client, .dev = rec->dev }; + security_class_t class; + int rc, i, type; + + if (rec->dev) + subj = dixLookupPrivate(&rec->dev->devPrivates, subjectKey); + else + subj = dixLookupPrivate(&rec->client->devPrivates, subjectKey); + + obj = dixLookupPrivate(&rec->pWin->devPrivates, objectKey); + + /* Check send permission on window */ + rc = SELinuxDoCheck(subj, obj, SECCLASS_X_DRAWABLE, DixSendAccess, + &auditdata); + if (rc != Success) + goto err; + + /* Check send permission on specific event types */ + for (i = 0; i < rec->count; i++) { + type = rec->events[i].u.u.type; + class = (type & 128) ? SECCLASS_X_FAKEEVENT : SECCLASS_X_EVENT; + + rc = SELinuxEventToSID(type, obj->sid, &ev_sid); + if (rc != Success) + goto err; + + auditdata.event = type; + rc = SELinuxDoCheck(subj, &ev_sid, class, DixSendAccess, &auditdata); + if (rc != Success) + goto err; + } + return; +err: + rec->status = rc; +} + +static void +SELinuxReceive(CallbackListPtr *pcbl, pointer unused, pointer calldata) +{ + XaceReceiveAccessRec *rec = calldata; + SELinuxSubjectRec *subj; + SELinuxObjectRec *obj, ev_sid; + SELinuxAuditRec auditdata = { .client = NULL }; + security_class_t class; + int rc, i, type; + + subj = dixLookupPrivate(&rec->client->devPrivates, subjectKey); + obj = dixLookupPrivate(&rec->pWin->devPrivates, objectKey); + + /* Check receive permission on window */ + rc = SELinuxDoCheck(subj, obj, SECCLASS_X_DRAWABLE, DixReceiveAccess, + &auditdata); + if (rc != Success) + goto err; + + /* Check receive permission on specific event types */ + for (i = 0; i < rec->count; i++) { + type = rec->events[i].u.u.type; + class = (type & 128) ? SECCLASS_X_FAKEEVENT : SECCLASS_X_EVENT; + + rc = SELinuxEventToSID(type, obj->sid, &ev_sid); + if (rc != Success) + goto err; + + auditdata.event = type; + rc = SELinuxDoCheck(subj, &ev_sid, class, DixReceiveAccess, &auditdata); + if (rc != Success) + goto err; + } + return; +err: + rec->status = rc; +} + +static void +SELinuxExtension(CallbackListPtr *pcbl, pointer unused, pointer calldata) +{ + XaceExtAccessRec *rec = calldata; + SELinuxSubjectRec *subj, *serv; + SELinuxObjectRec *obj; + SELinuxAuditRec auditdata = { .client = rec->client }; + int rc; + + subj = dixLookupPrivate(&rec->client->devPrivates, subjectKey); + obj = dixLookupPrivate(&rec->ext->devPrivates, objectKey); + + /* If this is a new object that needs labeling, do it now */ + /* XXX there should be a separate callback for this */ + if (obj->sid == NULL) { + security_id_t sid; + + serv = dixLookupPrivate(&serverClient->devPrivates, subjectKey); + rc = SELinuxExtensionToSID(rec->ext->name, &sid); + if (rc != Success) { + rec->status = rc; + return; + } + + /* Perform a transition to obtain the final SID */ + if (avc_compute_create(serv->sid, sid, SECCLASS_X_EXTENSION, + &obj->sid) < 0) { + ErrorF("SELinux: a SID transition call failed!\n"); + rec->status = BadValue; + return; + } + } + + /* Perform the security check */ + auditdata.extension = rec->ext->name; + rc = SELinuxDoCheck(subj, obj, SECCLASS_X_EXTENSION, rec->access_mode, + &auditdata); + if (rc != Success) + rec->status = rc; +} + +static void +SELinuxSelection(CallbackListPtr *pcbl, pointer unused, pointer calldata) +{ + XaceSelectionAccessRec *rec = calldata; + SELinuxSubjectRec *subj; + SELinuxObjectRec *obj, *data; + Selection *pSel = *rec->ppSel; + Atom name = pSel->selection; + Mask access_mode = rec->access_mode; + SELinuxAuditRec auditdata = { .client = rec->client, .selection = name }; + security_id_t tsid; + int rc; + + subj = dixLookupPrivate(&rec->client->devPrivates, subjectKey); + obj = dixLookupPrivate(&pSel->devPrivates, objectKey); + + /* If this is a new object that needs labeling, do it now */ + if (access_mode & DixCreateAccess) { + rc = SELinuxSelectionToSID(name, subj, &obj->sid, &obj->poly); + if (rc != Success) + obj->sid = unlabeled_sid; + access_mode = DixSetAttrAccess; + } + /* If this is a polyinstantiated object, find the right instance */ + else if (obj->poly) { + rc = SELinuxSelectionToSID(name, subj, &tsid, NULL); + if (rc != Success) { + rec->status = rc; + return; + } + while (pSel->selection != name || obj->sid != tsid) { + if ((pSel = pSel->next) == NULL) + break; + obj = dixLookupPrivate(&pSel->devPrivates, objectKey); + } + + if (pSel) + *rec->ppSel = pSel; + else { + rec->status = BadMatch; + return; + } + } + + /* Perform the security check */ + rc = SELinuxDoCheck(subj, obj, SECCLASS_X_SELECTION, access_mode, + &auditdata); + if (rc != Success) + rec->status = rc; + + /* Label the content (advisory only) */ + if (access_mode & DixSetAttrAccess) { + data = dixLookupPrivate(&pSel->devPrivates, dataKey); + if (subj->sel_create_sid) + data->sid = subj->sel_create_sid; + else + data->sid = obj->sid; + } +} + +static void +SELinuxProperty(CallbackListPtr *pcbl, pointer unused, pointer calldata) +{ + XacePropertyAccessRec *rec = calldata; + SELinuxSubjectRec *subj; + SELinuxObjectRec *obj, *data; + PropertyPtr pProp = *rec->ppProp; + Atom name = pProp->propertyName; + SELinuxAuditRec auditdata = { .client = rec->client, .property = name }; + security_id_t tsid; + int rc; + + /* Don't care about the new content check */ + if (rec->access_mode & DixPostAccess) + return; + + subj = dixLookupPrivate(&rec->client->devPrivates, subjectKey); + obj = dixLookupPrivate(&pProp->devPrivates, objectKey); + + /* If this is a new object that needs labeling, do it now */ + if (rec->access_mode & DixCreateAccess) { + rc = SELinuxPropertyToSID(name, subj, &obj->sid, &obj->poly); + if (rc != Success) { + rec->status = rc; + return; + } + } + /* If this is a polyinstantiated object, find the right instance */ + else if (obj->poly) { + rc = SELinuxPropertyToSID(name, subj, &tsid, NULL); + if (rc != Success) { + rec->status = rc; + return; + } + while (pProp->propertyName != name || obj->sid != tsid) { + if ((pProp = pProp->next) == NULL) + break; + obj = dixLookupPrivate(&pProp->devPrivates, objectKey); + } + + if (pProp) + *rec->ppProp = pProp; + else { + rec->status = BadMatch; + return; + } + } + + /* Perform the security check */ + rc = SELinuxDoCheck(subj, obj, SECCLASS_X_PROPERTY, rec->access_mode, + &auditdata); + if (rc != Success) + rec->status = rc; + + /* Label the content (advisory only) */ + if (rec->access_mode & DixWriteAccess) { + data = dixLookupPrivate(&pProp->devPrivates, dataKey); + if (subj->prp_create_sid) + data->sid = subj->prp_create_sid; + else + data->sid = obj->sid; + } +} + +static void +SELinuxResource(CallbackListPtr *pcbl, pointer unused, pointer calldata) +{ + XaceResourceAccessRec *rec = calldata; + SELinuxSubjectRec *subj; + SELinuxObjectRec *obj; + SELinuxAuditRec auditdata = { .client = rec->client }; + Mask access_mode = rec->access_mode; + PrivateRec **privatePtr; + security_class_t class; + int rc, offset; + + subj = dixLookupPrivate(&rec->client->devPrivates, subjectKey); + + /* Determine if the resource object has a devPrivates field */ + offset = dixLookupPrivateOffset(rec->rtype); + if (offset < 0) { + /* No: use the SID of the owning client */ + class = SECCLASS_X_RESOURCE; + privatePtr = &clients[CLIENT_ID(rec->id)]->devPrivates; + obj = dixLookupPrivate(privatePtr, objectKey); + } else { + /* Yes: use the SID from the resource object itself */ + class = SELinuxTypeToClass(rec->rtype); + privatePtr = DEVPRIV_AT(rec->res, offset); + obj = dixLookupPrivate(privatePtr, objectKey); + } + + /* If this is a new object that needs labeling, do it now */ + if (access_mode & DixCreateAccess && offset >= 0) { + rc = SELinuxLabelResource(rec, subj, obj, class); + if (rc != Success) { + rec->status = rc; + return; + } + } + + /* Collapse generic resource permissions down to read/write */ + if (class == SECCLASS_X_RESOURCE) { + access_mode = !!(rec->access_mode & SELinuxReadMask); /* rd */ + access_mode |= !!(rec->access_mode & ~SELinuxReadMask) << 1; /* wr */ + } + + /* Perform the security check */ + auditdata.restype = rec->rtype; + auditdata.id = rec->id; + rc = SELinuxDoCheck(subj, obj, class, access_mode, &auditdata); + if (rc != Success) + rec->status = rc; + + /* Perform the background none check on windows */ + if (access_mode & DixCreateAccess && rec->rtype == RT_WINDOW) { + rc = SELinuxDoCheck(subj, obj, class, DixBlendAccess, &auditdata); + if (rc != Success) + ((WindowPtr)rec->res)->forcedBG = TRUE; + } +} + +static void +SELinuxScreen(CallbackListPtr *pcbl, pointer is_saver, pointer calldata) +{ + XaceScreenAccessRec *rec = calldata; + SELinuxSubjectRec *subj; + SELinuxObjectRec *obj; + SELinuxAuditRec auditdata = { .client = rec->client }; + Mask access_mode = rec->access_mode; + int rc; + + subj = dixLookupPrivate(&rec->client->devPrivates, subjectKey); + obj = dixLookupPrivate(&rec->screen->devPrivates, objectKey); + + /* If this is a new object that needs labeling, do it now */ + if (access_mode & DixCreateAccess) { + /* Perform a transition to obtain the final SID */ + if (avc_compute_create(subj->sid, subj->sid, SECCLASS_X_SCREEN, + &obj->sid) < 0) { + ErrorF("SELinux: a compute_create call failed!\n"); + rec->status = BadValue; + return; + } + } + + if (is_saver) + access_mode <<= 2; + + rc = SELinuxDoCheck(subj, obj, SECCLASS_X_SCREEN, access_mode, &auditdata); + if (rc != Success) + rec->status = rc; +} + +static void +SELinuxClient(CallbackListPtr *pcbl, pointer unused, pointer calldata) +{ + XaceClientAccessRec *rec = calldata; + SELinuxSubjectRec *subj; + SELinuxObjectRec *obj; + SELinuxAuditRec auditdata = { .client = rec->client }; + int rc; + + subj = dixLookupPrivate(&rec->client->devPrivates, subjectKey); + obj = dixLookupPrivate(&rec->target->devPrivates, objectKey); + + rc = SELinuxDoCheck(subj, obj, SECCLASS_X_CLIENT, rec->access_mode, + &auditdata); + if (rc != Success) + rec->status = rc; +} + +static void +SELinuxServer(CallbackListPtr *pcbl, pointer unused, pointer calldata) +{ + XaceServerAccessRec *rec = calldata; + SELinuxSubjectRec *subj; + SELinuxObjectRec *obj; + SELinuxAuditRec auditdata = { .client = rec->client }; + int rc; + + subj = dixLookupPrivate(&rec->client->devPrivates, subjectKey); + obj = dixLookupPrivate(&serverClient->devPrivates, objectKey); + + rc = SELinuxDoCheck(subj, obj, SECCLASS_X_SERVER, rec->access_mode, + &auditdata); + if (rc != Success) + rec->status = rc; +} + + +/* + * DIX Callbacks + */ + +static void +SELinuxClientState(CallbackListPtr *pcbl, pointer unused, pointer calldata) +{ + NewClientInfoRec *pci = calldata; + + switch (pci->client->clientState) { + case ClientStateInitial: + SELinuxLabelClient(pci->client); + break; + + default: + break; + } +} + +static void +SELinuxResourceState(CallbackListPtr *pcbl, pointer unused, pointer calldata) +{ + ResourceStateInfoRec *rec = calldata; + SELinuxSubjectRec *subj; + SELinuxObjectRec *obj; + WindowPtr pWin; + + if (rec->type != RT_WINDOW) + return; + if (rec->state != ResourceStateAdding) + return; + + pWin = (WindowPtr)rec->value; + subj = dixLookupPrivate(&wClient(pWin)->devPrivates, subjectKey); + + if (subj->sid) { + security_context_t ctx; + int rc = avc_sid_to_context_raw(subj->sid, &ctx); + if (rc < 0) + FatalError("SELinux: Failed to get security context!\n"); + rc = dixChangeWindowProperty(serverClient, + pWin, atom_client_ctx, XA_STRING, 8, + PropModeReplace, strlen(ctx), ctx, FALSE); + if (rc != Success) + FatalError("SELinux: Failed to set label property on window!\n"); + freecon(ctx); + } else + FatalError("SELinux: Unexpected unlabeled client found\n"); + + obj = dixLookupPrivate(&pWin->devPrivates, objectKey); + + if (obj->sid) { + security_context_t ctx; + int rc = avc_sid_to_context_raw(obj->sid, &ctx); + if (rc < 0) + FatalError("SELinux: Failed to get security context!\n"); + rc = dixChangeWindowProperty(serverClient, + pWin, atom_ctx, XA_STRING, 8, + PropModeReplace, strlen(ctx), ctx, FALSE); + if (rc != Success) + FatalError("SELinux: Failed to set label property on window!\n"); + freecon(ctx); + } else + FatalError("SELinux: Unexpected unlabeled window found\n"); +} + + +static int netlink_fd; + +static void +SELinuxBlockHandler(void *data, struct timeval **tv, void *read_mask) +{ +} + +static void +SELinuxWakeupHandler(void *data, int err, void *read_mask) +{ + if (FD_ISSET(netlink_fd, (fd_set *)read_mask)) + avc_netlink_check_nb(); +} + +void +SELinuxFlaskReset(void) +{ + /* Unregister callbacks */ + DeleteCallback(&ClientStateCallback, SELinuxClientState, NULL); + DeleteCallback(&ResourceStateCallback, SELinuxResourceState, NULL); + + XaceDeleteCallback(XACE_EXT_DISPATCH, SELinuxExtension, NULL); + XaceDeleteCallback(XACE_RESOURCE_ACCESS, SELinuxResource, NULL); + XaceDeleteCallback(XACE_DEVICE_ACCESS, SELinuxDevice, NULL); + XaceDeleteCallback(XACE_PROPERTY_ACCESS, SELinuxProperty, NULL); + XaceDeleteCallback(XACE_SEND_ACCESS, SELinuxSend, NULL); + XaceDeleteCallback(XACE_RECEIVE_ACCESS, SELinuxReceive, NULL); + XaceDeleteCallback(XACE_CLIENT_ACCESS, SELinuxClient, NULL); + XaceDeleteCallback(XACE_EXT_ACCESS, SELinuxExtension, NULL); + XaceDeleteCallback(XACE_SERVER_ACCESS, SELinuxServer, NULL); + XaceDeleteCallback(XACE_SELECTION_ACCESS, SELinuxSelection, NULL); + XaceDeleteCallback(XACE_SCREEN_ACCESS, SELinuxScreen, NULL); + XaceDeleteCallback(XACE_SCREENSAVER_ACCESS, SELinuxScreen, truep); + + /* Tear down SELinux stuff */ + audit_close(audit_fd); + avc_netlink_release_fd(); + RemoveBlockAndWakeupHandlers(SELinuxBlockHandler, SELinuxWakeupHandler, + NULL); + RemoveGeneralSocket(netlink_fd); + + avc_destroy(); +} + +void +SELinuxFlaskInit(void) +{ + struct selinux_opt avc_option = { AVC_OPT_SETENFORCE, (char *)0 }; + security_context_t ctx; + int ret = TRUE; + + switch(selinuxEnforcingState) { + case SELINUX_MODE_ENFORCING: + LogMessage(X_INFO, "SELinux: Configured in enforcing mode\n"); + avc_option.value = (char *)1; + break; + case SELINUX_MODE_PERMISSIVE: + LogMessage(X_INFO, "SELinux: Configured in permissive mode\n"); + avc_option.value = (char *)0; + break; + default: + avc_option.type = AVC_OPT_UNUSED; + break; + } + + /* Set up SELinux stuff */ + selinux_set_callback(SELINUX_CB_LOG, (union selinux_callback)SELinuxLog); + selinux_set_callback(SELINUX_CB_AUDIT, (union selinux_callback)SELinuxAudit); + + if (selinux_set_mapping(map) < 0) { + if (errno == EINVAL) { + ErrorF("SELinux: Invalid object class mapping, disabling SELinux support.\n"); + return; + } + FatalError("SELinux: Failed to set up security class mapping\n"); + } + + if (avc_open(&avc_option, 1) < 0) + FatalError("SELinux: Couldn't initialize SELinux userspace AVC\n"); + + if (security_get_initial_context_raw("unlabeled", &ctx) < 0) + FatalError("SELinux: Failed to look up unlabeled context\n"); + if (avc_context_to_sid_raw(ctx, &unlabeled_sid) < 0) + FatalError("SELinux: a context_to_SID call failed!\n"); + freecon(ctx); + + /* Prepare for auditing */ + audit_fd = audit_open(); + if (audit_fd < 0) + FatalError("SELinux: Failed to open the system audit log\n"); + + /* Allocate private storage */ + if (!dixRegisterPrivateKey(subjectKey, PRIVATE_XSELINUX, sizeof(SELinuxSubjectRec)) || + !dixRegisterPrivateKey(objectKey, PRIVATE_XSELINUX, sizeof(SELinuxObjectRec)) || + !dixRegisterPrivateKey(dataKey, PRIVATE_XSELINUX, sizeof(SELinuxObjectRec))) + FatalError("SELinux: Failed to allocate private storage.\n"); + + /* Create atoms for doing window labeling */ + atom_ctx = MakeAtom("_SELINUX_CONTEXT", 16, TRUE); + if (atom_ctx == BAD_RESOURCE) + FatalError("SELinux: Failed to create atom\n"); + atom_client_ctx = MakeAtom("_SELINUX_CLIENT_CONTEXT", 23, TRUE); + if (atom_client_ctx == BAD_RESOURCE) + FatalError("SELinux: Failed to create atom\n"); + + netlink_fd = avc_netlink_acquire_fd(); + AddGeneralSocket(netlink_fd); + RegisterBlockAndWakeupHandlers(SELinuxBlockHandler, SELinuxWakeupHandler, + NULL); + + /* Register callbacks */ + ret &= AddCallback(&ClientStateCallback, SELinuxClientState, NULL); + ret &= AddCallback(&ResourceStateCallback, SELinuxResourceState, NULL); + + ret &= XaceRegisterCallback(XACE_EXT_DISPATCH, SELinuxExtension, NULL); + ret &= XaceRegisterCallback(XACE_RESOURCE_ACCESS, SELinuxResource, NULL); + ret &= XaceRegisterCallback(XACE_DEVICE_ACCESS, SELinuxDevice, NULL); + ret &= XaceRegisterCallback(XACE_PROPERTY_ACCESS, SELinuxProperty, NULL); + ret &= XaceRegisterCallback(XACE_SEND_ACCESS, SELinuxSend, NULL); + ret &= XaceRegisterCallback(XACE_RECEIVE_ACCESS, SELinuxReceive, NULL); + ret &= XaceRegisterCallback(XACE_CLIENT_ACCESS, SELinuxClient, NULL); + ret &= XaceRegisterCallback(XACE_EXT_ACCESS, SELinuxExtension, NULL); + ret &= XaceRegisterCallback(XACE_SERVER_ACCESS, SELinuxServer, NULL); + ret &= XaceRegisterCallback(XACE_SELECTION_ACCESS, SELinuxSelection, NULL); + ret &= XaceRegisterCallback(XACE_SCREEN_ACCESS, SELinuxScreen, NULL); + ret &= XaceRegisterCallback(XACE_SCREENSAVER_ACCESS, SELinuxScreen, truep); + if (!ret) + FatalError("SELinux: Failed to register one or more callbacks\n"); + + /* Label objects that were created before we could register ourself */ + SELinuxLabelInitial(); +} diff --git a/Xext/xselinux_label.c b/Xext/xselinux_label.c new file mode 100644 index 0000000..e5929fa --- /dev/null +++ b/Xext/xselinux_label.c @@ -0,0 +1,374 @@ +/************************************************************ + +Author: Eamon Walsh <ewalsh@tycho.nsa.gov> + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +this permission notice appear in supporting documentation. This permission +notice shall be included in all copies or substantial portions of the +Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +********************************************************/ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include <selinux/label.h> + +#include "registry.h" +#include "xselinuxint.h" + +/* selection and property atom cache */ +typedef struct { + SELinuxObjectRec prp; + SELinuxObjectRec sel; +} SELinuxAtomRec; + +/* dynamic array */ +typedef struct { + unsigned size; + void **array; +} SELinuxArrayRec; + +/* labeling handle */ +static struct selabel_handle *label_hnd; + +/* Array of object classes indexed by resource type */ +SELinuxArrayRec arr_types; +/* Array of event SIDs indexed by event type */ +SELinuxArrayRec arr_events; +/* Array of property and selection SID structures */ +SELinuxArrayRec arr_atoms; + +/* + * Dynamic array helpers + */ +static void * +SELinuxArrayGet(SELinuxArrayRec *rec, unsigned key) +{ + return (rec->size > key) ? rec->array[key] : 0; +} + +static int +SELinuxArraySet(SELinuxArrayRec *rec, unsigned key, void *val) +{ + if (key >= rec->size) { + /* Need to increase size of array */ + rec->array = realloc(rec->array, (key + 1) * sizeof(val)); + if (!rec->array) + return FALSE; + memset(rec->array + rec->size, 0, (key - rec->size + 1) * sizeof(val)); + rec->size = key + 1; + } + + rec->array[key] = val; + return TRUE; +} + +static void +SELinuxArrayFree(SELinuxArrayRec *rec, int free_elements) +{ + if (free_elements) { + unsigned i = rec->size; + while (i) + free(rec->array[--i]); + } + + free(rec->array); + rec->size = 0; + rec->array = NULL; +} + +/* + * Looks up a name in the selection or property mappings + */ +static int +SELinuxAtomToSIDLookup(Atom atom, SELinuxObjectRec *obj, int map, int polymap) +{ + const char *name = NameForAtom(atom); + security_context_t ctx; + int rc = Success; + + obj->poly = 1; + + /* Look in the mappings of names to contexts */ + if (selabel_lookup_raw(label_hnd, &ctx, name, map) == 0) { + obj->poly = 0; + } else if (errno != ENOENT) { + ErrorF("SELinux: a property label lookup failed!\n"); + return BadValue; + } else if (selabel_lookup_raw(label_hnd, &ctx, name, polymap) < 0) { + ErrorF("SELinux: a property label lookup failed!\n"); + return BadValue; + } + + /* Get a SID for context */ + if (avc_context_to_sid_raw(ctx, &obj->sid) < 0) { + ErrorF("SELinux: a context_to_SID_raw call failed!\n"); + rc = BadAlloc; + } + + freecon(ctx); + return rc; +} + +/* + * Looks up the SID corresponding to the given property or selection atom + */ +int +SELinuxAtomToSID(Atom atom, int prop, SELinuxObjectRec **obj_rtn) +{ + SELinuxAtomRec *rec; + SELinuxObjectRec *obj; + int rc, map, polymap; + + rec = SELinuxArrayGet(&arr_atoms, atom); + if (!rec) { + rec = calloc(1, sizeof(SELinuxAtomRec)); + if (!rec || !SELinuxArraySet(&arr_atoms, atom, rec)) + return BadAlloc; + } + + if (prop) { + obj = &rec->prp; + map = SELABEL_X_PROP; + polymap = SELABEL_X_POLYPROP; + } else { + obj = &rec->sel; + map = SELABEL_X_SELN; + polymap = SELABEL_X_POLYSELN; + } + + if (!obj->sid) { + rc = SELinuxAtomToSIDLookup(atom, obj, map, polymap); + if (rc != Success) + goto out; + } + + *obj_rtn = obj; + rc = Success; +out: + return rc; +} + +/* + * Looks up a SID for a selection/subject pair + */ +int +SELinuxSelectionToSID(Atom selection, SELinuxSubjectRec *subj, + security_id_t *sid_rtn, int *poly_rtn) +{ + int rc; + SELinuxObjectRec *obj; + security_id_t tsid; + + /* Get the default context and polyinstantiation bit */ + rc = SELinuxAtomToSID(selection, 0, &obj); + if (rc != Success) + return rc; + + /* Check for an override context next */ + if (subj->sel_use_sid) { + tsid = subj->sel_use_sid; + goto out; + } + + tsid = obj->sid; + + /* Polyinstantiate if necessary to obtain the final SID */ + if (obj->poly && avc_compute_member(subj->sid, obj->sid, + SECCLASS_X_SELECTION, &tsid) < 0) { + ErrorF("SELinux: a compute_member call failed!\n"); + return BadValue; + } +out: + *sid_rtn = tsid; + if (poly_rtn) + *poly_rtn = obj->poly; + return Success; +} + +/* + * Looks up a SID for a property/subject pair + */ +int +SELinuxPropertyToSID(Atom property, SELinuxSubjectRec *subj, + security_id_t *sid_rtn, int *poly_rtn) +{ + int rc; + SELinuxObjectRec *obj; + security_id_t tsid, tsid2; + + /* Get the default context and polyinstantiation bit */ + rc = SELinuxAtomToSID(property, 1, &obj); + if (rc != Success) + return rc; + + /* Check for an override context next */ + if (subj->prp_use_sid) { + tsid = subj->prp_use_sid; + goto out; + } + + /* Perform a transition */ + if (avc_compute_create(subj->sid, obj->sid, + SECCLASS_X_PROPERTY, &tsid) < 0) { + ErrorF("SELinux: a compute_create call failed!\n"); + return BadValue; + } + + /* Polyinstantiate if necessary to obtain the final SID */ + if (obj->poly) { + tsid2 = tsid; + if (avc_compute_member(subj->sid, tsid2, + SECCLASS_X_PROPERTY, &tsid) < 0) { + ErrorF("SELinux: a compute_member call failed!\n"); + return BadValue; + } + } +out: + *sid_rtn = tsid; + if (poly_rtn) + *poly_rtn = obj->poly; + return Success; +} + +/* + * Looks up the SID corresponding to the given event type + */ +int +SELinuxEventToSID(unsigned type, security_id_t sid_of_window, + SELinuxObjectRec *sid_return) +{ + const char *name = LookupEventName(type); + security_id_t sid; + security_context_t ctx; + type &= 127; + + sid = SELinuxArrayGet(&arr_events, type); + if (!sid) { + /* Look in the mappings of event names to contexts */ + if (selabel_lookup_raw(label_hnd, &ctx, name, SELABEL_X_EVENT) < 0) { + ErrorF("SELinux: an event label lookup failed!\n"); + return BadValue; + } + /* Get a SID for context */ + if (avc_context_to_sid_raw(ctx, &sid) < 0) { + ErrorF("SELinux: a context_to_SID_raw call failed!\n"); + freecon(ctx); + return BadAlloc; + } + freecon(ctx); + /* Cache the SID value */ + if (!SELinuxArraySet(&arr_events, type, sid)) + return BadAlloc; + } + + /* Perform a transition to obtain the final SID */ + if (avc_compute_create(sid_of_window, sid, SECCLASS_X_EVENT, + &sid_return->sid) < 0) { + ErrorF("SELinux: a compute_create call failed!\n"); + return BadValue; + } + + return Success; +} + +int +SELinuxExtensionToSID(const char *name, security_id_t *sid_rtn) +{ + security_context_t ctx; + + /* Look in the mappings of extension names to contexts */ + if (selabel_lookup_raw(label_hnd, &ctx, name, SELABEL_X_EXT) < 0) { + ErrorF("SELinux: a property label lookup failed!\n"); + return BadValue; + } + /* Get a SID for context */ + if (avc_context_to_sid_raw(ctx, sid_rtn) < 0) { + ErrorF("SELinux: a context_to_SID_raw call failed!\n"); + freecon(ctx); + return BadAlloc; + } + freecon(ctx); + return Success; +} + +/* + * Returns the object class corresponding to the given resource type. + */ +security_class_t +SELinuxTypeToClass(RESTYPE type) +{ + void *tmp; + + tmp = SELinuxArrayGet(&arr_types, type & TypeMask); + if (!tmp) { + unsigned long class = SECCLASS_X_RESOURCE; + + if (type & RC_DRAWABLE) + class = SECCLASS_X_DRAWABLE; + else if (type == RT_GC) + class = SECCLASS_X_GC; + else if (type == RT_FONT) + class = SECCLASS_X_FONT; + else if (type == RT_CURSOR) + class = SECCLASS_X_CURSOR; + else if (type == RT_COLORMAP) + class = SECCLASS_X_COLORMAP; + else { + /* Need to do a string lookup */ + const char *str = LookupResourceName(type); + if (!strcmp(str, "PICTURE")) + class = SECCLASS_X_DRAWABLE; + else if (!strcmp(str, "GLYPHSET")) + class = SECCLASS_X_FONT; + } + + tmp = (void *)class; + SELinuxArraySet(&arr_types, type & TypeMask, tmp); + } + + return (security_class_t)(unsigned long)tmp; +} + +security_context_t +SELinuxDefaultClientLabel(void) +{ + security_context_t ctx; + + if (selabel_lookup_raw(label_hnd, &ctx, "remote", SELABEL_X_CLIENT) < 0) + FatalError("SELinux: failed to look up remote-client context\n"); + + return ctx; +} + +void +SELinuxLabelInit(void) +{ + struct selinux_opt selabel_option = { SELABEL_OPT_VALIDATE, (char *)1 }; + + label_hnd = selabel_open(SELABEL_CTX_X, &selabel_option, 1); + if (!label_hnd) + FatalError("SELinux: Failed to open x_contexts mapping in policy\n"); +} + +void +SELinuxLabelReset(void) +{ + selabel_close(label_hnd); + label_hnd = NULL; + + /* Free local state */ + SELinuxArrayFree(&arr_types, 0); + SELinuxArrayFree(&arr_events, 0); + SELinuxArrayFree(&arr_atoms, 1); +} diff --git a/Xext/xselinuxint.h b/Xext/xselinuxint.h new file mode 100644 index 0000000..011a103 --- /dev/null +++ b/Xext/xselinuxint.h @@ -0,0 +1,561 @@ +/************************************************************ + +Author: Eamon Walsh <ewalsh@tycho.nsa.gov> + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +this permission notice appear in supporting documentation. This permission +notice shall be included in all copies or substantial portions of the +Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +********************************************************/ + +#ifndef _XSELINUXINT_H +#define _XSELINUXINT_H + +#include <selinux/selinux.h> +#include <selinux/avc.h> + +#include "globals.h" +#include "dixaccess.h" +#include "dixstruct.h" +#include "privates.h" +#include "resource.h" +#include "registry.h" +#include "inputstr.h" +#include "xselinux.h" + +/* + * Types + */ + +#define COMMAND_LEN 64 + +/* subject state (clients and devices only) */ +typedef struct { + security_id_t sid; + security_id_t dev_create_sid; + security_id_t win_create_sid; + security_id_t sel_create_sid; + security_id_t prp_create_sid; + security_id_t sel_use_sid; + security_id_t prp_use_sid; + struct avc_entry_ref aeref; + char command[COMMAND_LEN]; + int privileged; +} SELinuxSubjectRec; + +/* object state */ +typedef struct { + security_id_t sid; + int poly; +} SELinuxObjectRec; + +/* + * Globals + */ + +extern DevPrivateKeyRec subjectKeyRec; +#define subjectKey (&subjectKeyRec) +extern DevPrivateKeyRec objectKeyRec; +#define objectKey (&objectKeyRec) +extern DevPrivateKeyRec dataKeyRec; +#define dataKey (&dataKeyRec) + +/* + * Label functions + */ + +int +SELinuxAtomToSID(Atom atom, int prop, SELinuxObjectRec **obj_rtn); + +int +SELinuxSelectionToSID(Atom selection, SELinuxSubjectRec *subj, + security_id_t *sid_rtn, int *poly_rtn); + +int +SELinuxPropertyToSID(Atom property, SELinuxSubjectRec *subj, + security_id_t *sid_rtn, int *poly_rtn); + +int +SELinuxEventToSID(unsigned type, security_id_t sid_of_window, + SELinuxObjectRec *sid_return); + +int +SELinuxExtensionToSID(const char *name, security_id_t *sid_rtn); + +security_class_t +SELinuxTypeToClass(RESTYPE type); + +security_context_t +SELinuxDefaultClientLabel(void); + +void +SELinuxLabelInit(void); + +void +SELinuxLabelReset(void); + +/* + * Security module functions + */ + +void +SELinuxFlaskInit(void); + +void +SELinuxFlaskReset(void); + + +/* + * Private Flask definitions + */ + +/* Security class constants */ +#define SECCLASS_X_DRAWABLE 1 +#define SECCLASS_X_SCREEN 2 +#define SECCLASS_X_GC 3 +#define SECCLASS_X_FONT 4 +#define SECCLASS_X_COLORMAP 5 +#define SECCLASS_X_PROPERTY 6 +#define SECCLASS_X_SELECTION 7 +#define SECCLASS_X_CURSOR 8 +#define SECCLASS_X_CLIENT 9 +#define SECCLASS_X_POINTER 10 +#define SECCLASS_X_KEYBOARD 11 +#define SECCLASS_X_SERVER 12 +#define SECCLASS_X_EXTENSION 13 +#define SECCLASS_X_EVENT 14 +#define SECCLASS_X_FAKEEVENT 15 +#define SECCLASS_X_RESOURCE 16 + +#ifdef _XSELINUX_NEED_FLASK_MAP +/* Mapping from DixAccess bits to Flask permissions */ +static struct security_class_mapping map[] = { + { "x_drawable", + { "read", /* DixReadAccess */ + "write", /* DixWriteAccess */ + "destroy", /* DixDestroyAccess */ + "create", /* DixCreateAccess */ + "getattr", /* DixGetAttrAccess */ + "setattr", /* DixSetAttrAccess */ + "list_property", /* DixListPropAccess */ + "get_property", /* DixGetPropAccess */ + "set_property", /* DixSetPropAccess */ + "", /* DixGetFocusAccess */ + "", /* DixSetFocusAccess */ + "list_child", /* DixListAccess */ + "add_child", /* DixAddAccess */ + "remove_child", /* DixRemoveAccess */ + "hide", /* DixHideAccess */ + "show", /* DixShowAccess */ + "blend", /* DixBlendAccess */ + "override", /* DixGrabAccess */ + "", /* DixFreezeAccess */ + "", /* DixForceAccess */ + "", /* DixInstallAccess */ + "", /* DixUninstallAccess */ + "send", /* DixSendAccess */ + "receive", /* DixReceiveAccess */ + "", /* DixUseAccess */ + "manage", /* DixManageAccess */ + NULL }}, + { "x_screen", + { "", /* DixReadAccess */ + "", /* DixWriteAccess */ + "", /* DixDestroyAccess */ + "", /* DixCreateAccess */ + "getattr", /* DixGetAttrAccess */ + "setattr", /* DixSetAttrAccess */ + "saver_getattr", /* DixListPropAccess */ + "saver_setattr", /* DixGetPropAccess */ + "", /* DixSetPropAccess */ + "", /* DixGetFocusAccess */ + "", /* DixSetFocusAccess */ + "", /* DixListAccess */ + "", /* DixAddAccess */ + "", /* DixRemoveAccess */ + "hide_cursor", /* DixHideAccess */ + "show_cursor", /* DixShowAccess */ + "saver_hide", /* DixBlendAccess */ + "saver_show", /* DixGrabAccess */ + NULL }}, + { "x_gc", + { "", /* DixReadAccess */ + "", /* DixWriteAccess */ + "destroy", /* DixDestroyAccess */ + "create", /* DixCreateAccess */ + "getattr", /* DixGetAttrAccess */ + "setattr", /* DixSetAttrAccess */ + "", /* DixListPropAccess */ + "", /* DixGetPropAccess */ + "", /* DixSetPropAccess */ + "", /* DixGetFocusAccess */ + "", /* DixSetFocusAccess */ + "", /* DixListAccess */ + "", /* DixAddAccess */ + "", /* DixRemoveAccess */ + "", /* DixHideAccess */ + "", /* DixShowAccess */ + "", /* DixBlendAccess */ + "", /* DixGrabAccess */ + "", /* DixFreezeAccess */ + "", /* DixForceAccess */ + "", /* DixInstallAccess */ + "", /* DixUninstallAccess */ + "", /* DixSendAccess */ + "", /* DixReceiveAccess */ + "use", /* DixUseAccess */ + NULL }}, + { "x_font", + { "", /* DixReadAccess */ + "", /* DixWriteAccess */ + "destroy", /* DixDestroyAccess */ + "create", /* DixCreateAccess */ + "getattr", /* DixGetAttrAccess */ + "", /* DixSetAttrAccess */ + "", /* DixListPropAccess */ + "", /* DixGetPropAccess */ + "", /* DixSetPropAccess */ + "", /* DixGetFocusAccess */ + "", /* DixSetFocusAccess */ + "", /* DixListAccess */ + "add_glyph", /* DixAddAccess */ + "remove_glyph", /* DixRemoveAccess */ + "", /* DixHideAccess */ + "", /* DixShowAccess */ + "", /* DixBlendAccess */ + "", /* DixGrabAccess */ + "", /* DixFreezeAccess */ + "", /* DixForceAccess */ + "", /* DixInstallAccess */ + "", /* DixUninstallAccess */ + "", /* DixSendAccess */ + "", /* DixReceiveAccess */ + "use", /* DixUseAccess */ + NULL }}, + { "x_colormap", + { "read", /* DixReadAccess */ + "write", /* DixWriteAccess */ + "destroy", /* DixDestroyAccess */ + "create", /* DixCreateAccess */ + "getattr", /* DixGetAttrAccess */ + "", /* DixSetAttrAccess */ + "", /* DixListPropAccess */ + "", /* DixGetPropAccess */ + "", /* DixSetPropAccess */ + "", /* DixGetFocusAccess */ + "", /* DixSetFocusAccess */ + "", /* DixListAccess */ + "add_color", /* DixAddAccess */ + "remove_color", /* DixRemoveAccess */ + "", /* DixHideAccess */ + "", /* DixShowAccess */ + "", /* DixBlendAccess */ + "", /* DixGrabAccess */ + "", /* DixFreezeAccess */ + "", /* DixForceAccess */ + "install", /* DixInstallAccess */ + "uninstall", /* DixUninstallAccess */ + "", /* DixSendAccess */ + "", /* DixReceiveAccess */ + "use", /* DixUseAccess */ + NULL }}, + { "x_property", + { "read", /* DixReadAccess */ + "write", /* DixWriteAccess */ + "destroy", /* DixDestroyAccess */ + "create", /* DixCreateAccess */ + "getattr", /* DixGetAttrAccess */ + "setattr", /* DixSetAttrAccess */ + "", /* DixListPropAccess */ + "", /* DixGetPropAccess */ + "", /* DixSetPropAccess */ + "", /* DixGetFocusAccess */ + "", /* DixSetFocusAccess */ + "", /* DixListAccess */ + "", /* DixAddAccess */ + "", /* DixRemoveAccess */ + "", /* DixHideAccess */ + "", /* DixShowAccess */ + "write", /* DixBlendAccess */ + NULL }}, + { "x_selection", + { "read", /* DixReadAccess */ + "", /* DixWriteAccess */ + "", /* DixDestroyAccess */ + "setattr", /* DixCreateAccess */ + "getattr", /* DixGetAttrAccess */ + "setattr", /* DixSetAttrAccess */ + NULL }}, + { "x_cursor", + { "read", /* DixReadAccess */ + "write", /* DixWriteAccess */ + "destroy", /* DixDestroyAccess */ + "create", /* DixCreateAccess */ + "getattr", /* DixGetAttrAccess */ + "setattr", /* DixSetAttrAccess */ + "", /* DixListPropAccess */ + "", /* DixGetPropAccess */ + "", /* DixSetPropAccess */ + "", /* DixGetFocusAccess */ + "", /* DixSetFocusAccess */ + "", /* DixListAccess */ + "", /* DixAddAccess */ + "", /* DixRemoveAccess */ + "", /* DixHideAccess */ + "", /* DixShowAccess */ + "", /* DixBlendAccess */ + "", /* DixGrabAccess */ + "", /* DixFreezeAccess */ + "", /* DixForceAccess */ + "", /* DixInstallAccess */ + "", /* DixUninstallAccess */ + "", /* DixSendAccess */ + "", /* DixReceiveAccess */ + "use", /* DixUseAccess */ + NULL }}, + { "x_client", + { "", /* DixReadAccess */ + "", /* DixWriteAccess */ + "destroy", /* DixDestroyAccess */ + "", /* DixCreateAccess */ + "getattr", /* DixGetAttrAccess */ + "setattr", /* DixSetAttrAccess */ + "", /* DixListPropAccess */ + "", /* DixGetPropAccess */ + "", /* DixSetPropAccess */ + "", /* DixGetFocusAccess */ + "", /* DixSetFocusAccess */ + "", /* DixListAccess */ + "", /* DixAddAccess */ + "", /* DixRemoveAccess */ + "", /* DixHideAccess */ + "", /* DixShowAccess */ + "", /* DixBlendAccess */ + "", /* DixGrabAccess */ + "", /* DixFreezeAccess */ + "", /* DixForceAccess */ + "", /* DixInstallAccess */ + "", /* DixUninstallAccess */ + "", /* DixSendAccess */ + "", /* DixReceiveAccess */ + "", /* DixUseAccess */ + "manage", /* DixManageAccess */ + NULL }}, + { "x_pointer", + { "read", /* DixReadAccess */ + "write", /* DixWriteAccess */ + "destroy", /* DixDestroyAccess */ + "create", /* DixCreateAccess */ + "getattr", /* DixGetAttrAccess */ + "setattr", /* DixSetAttrAccess */ + "list_property", /* DixListPropAccess */ + "get_property", /* DixGetPropAccess */ + "set_property", /* DixSetPropAccess */ + "getfocus", /* DixGetFocusAccess */ + "setfocus", /* DixSetFocusAccess */ + "", /* DixListAccess */ + "add", /* DixAddAccess */ + "remove", /* DixRemoveAccess */ + "", /* DixHideAccess */ + "", /* DixShowAccess */ + "", /* DixBlendAccess */ + "grab", /* DixGrabAccess */ + "freeze", /* DixFreezeAccess */ + "force_cursor", /* DixForceAccess */ + "", /* DixInstallAccess */ + "", /* DixUninstallAccess */ + "", /* DixSendAccess */ + "", /* DixReceiveAccess */ + "use", /* DixUseAccess */ + "manage", /* DixManageAccess */ + "", /* DixDebugAccess */ + "bell", /* DixBellAccess */ + NULL }}, + { "x_keyboard", + { "read", /* DixReadAccess */ + "write", /* DixWriteAccess */ + "destroy", /* DixDestroyAccess */ + "create", /* DixCreateAccess */ + "getattr", /* DixGetAttrAccess */ + "setattr", /* DixSetAttrAccess */ + "list_property", /* DixListPropAccess */ + "get_property", /* DixGetPropAccess */ + "set_property", /* DixSetPropAccess */ + "getfocus", /* DixGetFocusAccess */ + "setfocus", /* DixSetFocusAccess */ + "", /* DixListAccess */ + "add", /* DixAddAccess */ + "remove", /* DixRemoveAccess */ + "", /* DixHideAccess */ + "", /* DixShowAccess */ + "", /* DixBlendAccess */ + "grab", /* DixGrabAccess */ + "freeze", /* DixFreezeAccess */ + "force_cursor", /* DixForceAccess */ + "", /* DixInstallAccess */ + "", /* DixUninstallAccess */ + "", /* DixSendAccess */ + "", /* DixReceiveAccess */ + "use", /* DixUseAccess */ + "manage", /* DixManageAccess */ + "", /* DixDebugAccess */ + "bell", /* DixBellAccess */ + NULL }}, + { "x_server", + { "record", /* DixReadAccess */ + "", /* DixWriteAccess */ + "", /* DixDestroyAccess */ + "", /* DixCreateAccess */ + "getattr", /* DixGetAttrAccess */ + "setattr", /* DixSetAttrAccess */ + "", /* DixListPropAccess */ + "", /* DixGetPropAccess */ + "", /* DixSetPropAccess */ + "", /* DixGetFocusAccess */ + "", /* DixSetFocusAccess */ + "", /* DixListAccess */ + "", /* DixAddAccess */ + "", /* DixRemoveAccess */ + "", /* DixHideAccess */ + "", /* DixShowAccess */ + "", /* DixBlendAccess */ + "grab", /* DixGrabAccess */ + "", /* DixFreezeAccess */ + "", /* DixForceAccess */ + "", /* DixInstallAccess */ + "", /* DixUninstallAccess */ + "", /* DixSendAccess */ + "", /* DixReceiveAccess */ + "", /* DixUseAccess */ + "manage", /* DixManageAccess */ + "debug", /* DixDebugAccess */ + NULL }}, + { "x_extension", + { "", /* DixReadAccess */ + "", /* DixWriteAccess */ + "", /* DixDestroyAccess */ + "", /* DixCreateAccess */ + "query", /* DixGetAttrAccess */ + "", /* DixSetAttrAccess */ + "", /* DixListPropAccess */ + "", /* DixGetPropAccess */ + "", /* DixSetPropAccess */ + "", /* DixGetFocusAccess */ + "", /* DixSetFocusAccess */ + "", /* DixListAccess */ + "", /* DixAddAccess */ + "", /* DixRemoveAccess */ + "", /* DixHideAccess */ + "", /* DixShowAccess */ + "", /* DixBlendAccess */ + "", /* DixGrabAccess */ + "", /* DixFreezeAccess */ + "", /* DixForceAccess */ + "", /* DixInstallAccess */ + "", /* DixUninstallAccess */ + "", /* DixSendAccess */ + "", /* DixReceiveAccess */ + "use", /* DixUseAccess */ + NULL }}, + { "x_event", + { "", /* DixReadAccess */ + "", /* DixWriteAccess */ + "", /* DixDestroyAccess */ + "", /* DixCreateAccess */ + "", /* DixGetAttrAccess */ + "", /* DixSetAttrAccess */ + "", /* DixListPropAccess */ + "", /* DixGetPropAccess */ + "", /* DixSetPropAccess */ + "", /* DixGetFocusAccess */ + "", /* DixSetFocusAccess */ + "", /* DixListAccess */ + "", /* DixAddAccess */ + "", /* DixRemoveAccess */ + "", /* DixHideAccess */ + "", /* DixShowAccess */ + "", /* DixBlendAccess */ + "", /* DixGrabAccess */ + "", /* DixFreezeAccess */ + "", /* DixForceAccess */ + "", /* DixInstallAccess */ + "", /* DixUninstallAccess */ + "send", /* DixSendAccess */ + "receive", /* DixReceiveAccess */ + NULL }}, + { "x_synthetic_event", + { "", /* DixReadAccess */ + "", /* DixWriteAccess */ + "", /* DixDestroyAccess */ + "", /* DixCreateAccess */ + "", /* DixGetAttrAccess */ + "", /* DixSetAttrAccess */ + "", /* DixListPropAccess */ + "", /* DixGetPropAccess */ + "", /* DixSetPropAccess */ + "", /* DixGetFocusAccess */ + "", /* DixSetFocusAccess */ + "", /* DixListAccess */ + "", /* DixAddAccess */ + "", /* DixRemoveAccess */ + "", /* DixHideAccess */ + "", /* DixShowAccess */ + "", /* DixBlendAccess */ + "", /* DixGrabAccess */ + "", /* DixFreezeAccess */ + "", /* DixForceAccess */ + "", /* DixInstallAccess */ + "", /* DixUninstallAccess */ + "send", /* DixSendAccess */ + "receive", /* DixReceiveAccess */ + NULL }}, + { "x_resource", + { "read", /* DixReadAccess */ + "write", /* DixWriteAccess */ + "write", /* DixDestroyAccess */ + "write", /* DixCreateAccess */ + "read", /* DixGetAttrAccess */ + "write", /* DixSetAttrAccess */ + "read", /* DixListPropAccess */ + "read", /* DixGetPropAccess */ + "write", /* DixSetPropAccess */ + "read", /* DixGetFocusAccess */ + "write", /* DixSetFocusAccess */ + "read", /* DixListAccess */ + "write", /* DixAddAccess */ + "write", /* DixRemoveAccess */ + "write", /* DixHideAccess */ + "read", /* DixShowAccess */ + "read", /* DixBlendAccess */ + "write", /* DixGrabAccess */ + "write", /* DixFreezeAccess */ + "write", /* DixForceAccess */ + "write", /* DixInstallAccess */ + "write", /* DixUninstallAccess */ + "write", /* DixSendAccess */ + "read", /* DixReceiveAccess */ + "read", /* DixUseAccess */ + "write", /* DixManageAccess */ + "read", /* DixDebugAccess */ + "write", /* DixBellAccess */ + NULL }}, + { NULL } +}; + +/* x_resource "read" bits from the list above */ +#define SELinuxReadMask (DixReadAccess|DixGetAttrAccess|DixListPropAccess| \ + DixGetPropAccess|DixGetFocusAccess|DixListAccess| \ + DixShowAccess|DixBlendAccess|DixReceiveAccess| \ + DixUseAccess|DixDebugAccess) + +#endif /* _XSELINUX_NEED_FLASK_MAP */ +#endif /* _XSELINUXINT_H */ diff --git a/Xext/xtest.c b/Xext/xtest.c new file mode 100644 index 0000000..6780aa6 --- /dev/null +++ b/Xext/xtest.c @@ -0,0 +1,689 @@ +/* + + Copyright 1992, 1998 The Open Group + + Permission to use, copy, modify, distribute, and sell this software and its + documentation for any purpose is hereby granted without fee, provided that + the above copyright notice appear in all copies and that both that + copyright notice and this permission notice appear in supporting + documentation. + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + + Except as contained in this notice, the name of The Open Group shall + not be used in advertising or otherwise to promote the sale, use or + other dealings in this Software without prior written authorization + from The Open Group. + + */ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include <X11/X.h> +#include <X11/Xproto.h> +#include <X11/Xatom.h> +#include "misc.h" +#include "os.h" +#include "dixstruct.h" +#include "extnsionst.h" +#include "windowstr.h" +#include "inputstr.h" +#include "scrnintstr.h" +#include "dixevents.h" +#include "sleepuntil.h" +#include "mi.h" +#include "xkbsrv.h" +#include "xkbstr.h" +#include <X11/extensions/xtestproto.h> +#include <X11/extensions/XI.h> +#include <X11/extensions/XIproto.h> +#include "exglobals.h" +#include "mipointer.h" +#include "xserver-properties.h" +#include "exevents.h" +#include "inpututils.h" + +#include "modinit.h" + +extern int DeviceValuator; + +/* XTest events are sent during request processing and may be interruped by + * a SIGIO. We need a separate event list to avoid events overwriting each + * other's memory */ +static EventListPtr xtest_evlist; + +/** + * xtestpointer + * is the virtual pointer for XTest. It is the first slave + * device of the VCP. + * xtestkeyboard + * is the virtual keyboard for XTest. It is the first slave + * device of the VCK + * + * Neither of these devices can be deleted. + */ +DeviceIntPtr xtestpointer, xtestkeyboard; + +#ifdef PANORAMIX +#include "panoramiX.h" +#include "panoramiXsrv.h" +#endif + +static int XTestSwapFakeInput( + ClientPtr /* client */, + xReq * /* req */ + ); + + +static int +ProcXTestGetVersion(ClientPtr client) +{ + xXTestGetVersionReply rep; + int n; + + REQUEST_SIZE_MATCH(xXTestGetVersionReq); + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.majorVersion = XTestMajorVersion; + rep.minorVersion = XTestMinorVersion; + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swaps(&rep.minorVersion, n); + } + WriteToClient(client, sizeof(xXTestGetVersionReply), (char *)&rep); + return Success; +} + +static int +ProcXTestCompareCursor(ClientPtr client) +{ + REQUEST(xXTestCompareCursorReq); + xXTestCompareCursorReply rep; + WindowPtr pWin; + CursorPtr pCursor; + int n, rc; + DeviceIntPtr ptr = PickPointer(client); + + REQUEST_SIZE_MATCH(xXTestCompareCursorReq); + rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); + if (rc != Success) + return rc; + if (stuff->cursor == None) + pCursor = NullCursor; + else if (stuff->cursor == XTestCurrentCursor) + pCursor = GetSpriteCursor(ptr); + else { + rc = dixLookupResourceByType((pointer *)&pCursor, stuff->cursor, RT_CURSOR, + client, DixReadAccess); + if (rc != Success) + { + client->errorValue = stuff->cursor; + return rc; + } + } + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.same = (wCursor(pWin) == pCursor); + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + } + WriteToClient(client, sizeof(xXTestCompareCursorReply), (char *)&rep); + return Success; +} + +static int +ProcXTestFakeInput(ClientPtr client) +{ + REQUEST(xXTestFakeInputReq); + int nev, n, type, rc; + xEvent *ev; + DeviceIntPtr dev = NULL; + WindowPtr root; + Bool extension = FALSE; + deviceValuator *dv = NULL; + ValuatorMask mask; + int valuators[MAX_VALUATORS] = {0}; + int numValuators = 0; + int firstValuator = 0; + int nevents = 0; + int i; + int base = 0; + int flags = 0; + int need_ptr_update = 1; + + nev = (stuff->length << 2) - sizeof(xReq); + if ((nev % sizeof(xEvent)) || !nev) + return BadLength; + nev /= sizeof(xEvent); + UpdateCurrentTime(); + ev = (xEvent *)&((xReq *)stuff)[1]; + type = ev->u.u.type & 0177; + + if (type >= EXTENSION_EVENT_BASE) + { + extension = TRUE; + + /* check device */ + rc = dixLookupDevice(&dev, stuff->deviceid & 0177, client, + DixWriteAccess); + if (rc != Success) + { + client->errorValue = stuff->deviceid & 0177; + return rc; + } + + /* check type */ + type -= DeviceValuator; + switch (type) { + case XI_DeviceKeyPress: + case XI_DeviceKeyRelease: + if (!dev->key) + { + client->errorValue = ev->u.u.type; + return BadValue; + } + break; + case XI_DeviceButtonPress: + case XI_DeviceButtonRelease: + if (!dev->button) + { + client->errorValue = ev->u.u.type; + return BadValue; + } + break; + case XI_DeviceMotionNotify: + if (!dev->valuator) + { + client->errorValue = ev->u.u.type; + return BadValue; + } + break; + case XI_ProximityIn: + case XI_ProximityOut: + if (!dev->proximity) + { + client->errorValue = ev->u.u.type; + return BadValue; + } + break; + default: + client->errorValue = ev->u.u.type; + return BadValue; + } + + /* check validity */ + if (nev == 1 && type == XI_DeviceMotionNotify) + return BadLength; /* DevMotion must be followed by DevValuator */ + + if (type == XI_DeviceMotionNotify) + { + firstValuator = ((deviceValuator *)(ev+1))->first_valuator; + if (firstValuator > dev->valuator->numAxes) + { + client->errorValue = ev->u.u.type; + return BadValue; + } + + if (ev->u.u.detail == xFalse) + flags |= POINTER_ABSOLUTE; + } else + { + firstValuator = 0; + flags |= POINTER_ABSOLUTE; + } + + if (nev > 1 && !dev->valuator) + { + client->errorValue = dv->first_valuator; + return BadValue; + } + + + /* check validity of valuator events */ + base = firstValuator; + for (n = 1; n < nev; n++) + { + dv = (deviceValuator *)(ev + n); + if (dv->type != DeviceValuator) + { + client->errorValue = dv->type; + return BadValue; + } + if (dv->first_valuator != base) + { + client->errorValue = dv->first_valuator; + return BadValue; + } + switch(dv->num_valuators) + { + case 6: valuators[base + 5] = dv->valuator5; + case 5: valuators[base + 4] = dv->valuator4; + case 4: valuators[base + 3] = dv->valuator3; + case 3: valuators[base + 2] = dv->valuator2; + case 2: valuators[base + 1] = dv->valuator1; + case 1: valuators[base] = dv->valuator0; + break; + default: + client->errorValue = dv->num_valuators; + return BadValue; + } + + base += dv->num_valuators; + numValuators += dv->num_valuators; + + if (firstValuator + numValuators > dev->valuator->numAxes) + { + client->errorValue = dv->num_valuators; + return BadValue; + } + } + type = type - XI_DeviceKeyPress + KeyPress; + + } else + { + if (nev != 1) + return BadLength; + switch (type) + { + case KeyPress: + case KeyRelease: + dev = PickKeyboard(client); + break; + case ButtonPress: + case ButtonRelease: + dev = PickPointer(client); + break; + case MotionNotify: + dev = PickPointer(client); + valuators[0] = ev->u.keyButtonPointer.rootX; + valuators[1] = ev->u.keyButtonPointer.rootY; + numValuators = 2; + firstValuator = 0; + if (ev->u.u.detail == xFalse) + flags = POINTER_ABSOLUTE | POINTER_SCREEN; + break; + default: + client->errorValue = ev->u.u.type; + return BadValue; + } + + dev = GetXTestDevice(dev); + } + + /* If the event has a time set, wait for it to pass */ + if (ev->u.keyButtonPointer.time) + { + TimeStamp activateTime; + CARD32 ms; + + activateTime = currentTime; + ms = activateTime.milliseconds + ev->u.keyButtonPointer.time; + if (ms < activateTime.milliseconds) + activateTime.months++; + activateTime.milliseconds = ms; + ev->u.keyButtonPointer.time = 0; + + /* see mbuf.c:QueueDisplayRequest (from the deprecated Multibuffer + * extension) for code similar to this */ + + if (!ClientSleepUntil(client, &activateTime, NULL, NULL)) + { + return BadAlloc; + } + /* swap the request back so we can simply re-execute it */ + if (client->swapped) + { + (void) XTestSwapFakeInput(client, (xReq *)stuff); + swaps(&stuff->length, n); + } + ResetCurrentRequest (client); + client->sequence--; + return Success; + } + + switch (type) + { + case KeyPress: + case KeyRelease: + if (!dev->key) + return BadDevice; + + if (ev->u.u.detail < dev->key->xkbInfo->desc->min_key_code || + ev->u.u.detail > dev->key->xkbInfo->desc->max_key_code) + { + client->errorValue = ev->u.u.detail; + return BadValue; + } + + need_ptr_update = 0; + break; + case MotionNotify: + if (!dev->valuator) + return BadDevice; + + if (!(extension || ev->u.keyButtonPointer.root == None)) + { + rc = dixLookupWindow(&root, ev->u.keyButtonPointer.root, + client, DixGetAttrAccess); + if (rc != Success) + return rc; + if (root->parent) + { + client->errorValue = ev->u.keyButtonPointer.root; + return BadValue; + } + } + if (ev->u.u.detail != xTrue && ev->u.u.detail != xFalse) + { + client->errorValue = ev->u.u.detail; + return BadValue; + } + + /* FIXME: Xinerama! */ + + break; + case ButtonPress: + case ButtonRelease: + if (!dev->button) + return BadDevice; + + if (!ev->u.u.detail || ev->u.u.detail > dev->button->numButtons) + { + client->errorValue = ev->u.u.detail; + return BadValue; + } + break; + } + if (screenIsSaved == SCREEN_SAVER_ON) + dixSaveScreens(serverClient, SCREEN_SAVER_OFF, ScreenSaverReset); + + switch(type) { + case MotionNotify: + valuator_mask_set_range(&mask, firstValuator, numValuators, valuators); + nevents = GetPointerEvents(xtest_evlist, dev, type, 0, flags, &mask); + break; + case ButtonPress: + case ButtonRelease: + valuator_mask_set_range(&mask, firstValuator, numValuators, valuators); + nevents = GetPointerEvents(xtest_evlist, dev, type, ev->u.u.detail, + flags, &mask); + break; + case KeyPress: + case KeyRelease: + nevents = GetKeyboardEvents(xtest_evlist, dev, type, ev->u.u.detail); + break; + } + + for (i = 0; i < nevents; i++) + mieqProcessDeviceEvent(dev, (InternalEvent*)(xtest_evlist+i)->event, NULL); + + if (need_ptr_update) + miPointerUpdateSprite(dev); + return Success; +} + +static int +ProcXTestGrabControl(ClientPtr client) +{ + REQUEST(xXTestGrabControlReq); + + REQUEST_SIZE_MATCH(xXTestGrabControlReq); + if ((stuff->impervious != xTrue) && (stuff->impervious != xFalse)) + { + client->errorValue = stuff->impervious; + return BadValue; + } + if (stuff->impervious) + MakeClientGrabImpervious(client); + else + MakeClientGrabPervious(client); + return Success; +} + +static int +ProcXTestDispatch (ClientPtr client) +{ + REQUEST(xReq); + switch (stuff->data) + { + case X_XTestGetVersion: + return ProcXTestGetVersion(client); + case X_XTestCompareCursor: + return ProcXTestCompareCursor(client); + case X_XTestFakeInput: + return ProcXTestFakeInput(client); + case X_XTestGrabControl: + return ProcXTestGrabControl(client); + default: + return BadRequest; + } +} + +static int +SProcXTestGetVersion(ClientPtr client) +{ + int n; + REQUEST(xXTestGetVersionReq); + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xXTestGetVersionReq); + swaps(&stuff->minorVersion, n); + return ProcXTestGetVersion(client); +} + +static int +SProcXTestCompareCursor(ClientPtr client) +{ + int n; + REQUEST(xXTestCompareCursorReq); + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xXTestCompareCursorReq); + swapl(&stuff->window, n); + swapl(&stuff->cursor, n); + return ProcXTestCompareCursor(client); +} + +static int +XTestSwapFakeInput(ClientPtr client, xReq *req) +{ + int nev; + xEvent *ev; + xEvent sev; + EventSwapPtr proc; + + nev = ((req->length << 2) - sizeof(xReq)) / sizeof(xEvent); + for (ev = (xEvent *)&req[1]; --nev >= 0; ev++) + { + /* Swap event */ + proc = EventSwapVector[ev->u.u.type & 0177]; + /* no swapping proc; invalid event type? */ + if (!proc || proc == NotImplemented) { + client->errorValue = ev->u.u.type; + return BadValue; + } + (*proc)(ev, &sev); + *ev = sev; + } + return Success; +} + +static int +SProcXTestFakeInput(ClientPtr client) +{ + int n; + REQUEST(xReq); + + swaps(&stuff->length, n); + n = XTestSwapFakeInput(client, stuff); + if (n != Success) + return n; + return ProcXTestFakeInput(client); +} + +static int +SProcXTestGrabControl(ClientPtr client) +{ + int n; + REQUEST(xXTestGrabControlReq); + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xXTestGrabControlReq); + return ProcXTestGrabControl(client); +} + +static int +SProcXTestDispatch (ClientPtr client) +{ + REQUEST(xReq); + switch (stuff->data) + { + case X_XTestGetVersion: + return SProcXTestGetVersion(client); + case X_XTestCompareCursor: + return SProcXTestCompareCursor(client); + case X_XTestFakeInput: + return SProcXTestFakeInput(client); + case X_XTestGrabControl: + return SProcXTestGrabControl(client); + default: + return BadRequest; + } +} + +/** + * Allocate an virtual slave device for xtest events, this + * is a slave device to inputInfo master devices + */ +void InitXTestDevices(void) +{ + if(AllocXTestDevice(serverClient, "Virtual core", + &xtestpointer, &xtestkeyboard, + inputInfo.pointer, inputInfo.keyboard) != Success) + FatalError("Failed to allocate XTest devices"); + + if (ActivateDevice(xtestpointer, TRUE) != Success || + ActivateDevice(xtestkeyboard, TRUE) != Success) + FatalError("Failed to activate XTest core devices."); + if (!EnableDevice(xtestpointer, TRUE) || + !EnableDevice(xtestkeyboard, TRUE)) + FatalError("Failed to enable XTest core devices."); + + AttachDevice(NULL, xtestpointer, inputInfo.pointer); + AttachDevice(NULL, xtestkeyboard, inputInfo.keyboard); +} + +/** + * Don't allow changing the XTest property. + */ +static int +DeviceSetXTestProperty(DeviceIntPtr dev, Atom property, + XIPropertyValuePtr prop, BOOL checkonly) +{ + if (property == XIGetKnownProperty(XI_PROP_XTEST_DEVICE)) + return BadAccess; + + return Success; +} + +/** + * Allocate a device pair that is initialised as a slave + * device with properties that identify the devices as belonging + * to XTest subsystem. + * This only creates the pair, Activate/Enable Device + * still need to be called. + */ +int AllocXTestDevice (ClientPtr client, char* name, + DeviceIntPtr* ptr, DeviceIntPtr* keybd, + DeviceIntPtr master_ptr, DeviceIntPtr master_keybd) +{ + int retval; + int len = strlen(name); + char *xtestname = calloc(len + 7, 1 ); + char dummy = 1; + + strncpy( xtestname, name, len); + strncat( xtestname, " XTEST", 6 ); + + retval = AllocDevicePair( client, xtestname, ptr, keybd, CorePointerProc, CoreKeyboardProc, FALSE); + if ( retval == Success ){ + (*ptr)->xtest_master_id = master_ptr->id; + (*keybd)->xtest_master_id = master_keybd->id; + + XIChangeDeviceProperty(*ptr, XIGetKnownProperty(XI_PROP_XTEST_DEVICE), + XA_INTEGER, 8, PropModeReplace, 1, &dummy, + FALSE); + XISetDevicePropertyDeletable(*ptr, XIGetKnownProperty(XI_PROP_XTEST_DEVICE), FALSE); + XIRegisterPropertyHandler(*ptr, DeviceSetXTestProperty, NULL, NULL); + XIChangeDeviceProperty(*keybd, XIGetKnownProperty(XI_PROP_XTEST_DEVICE), + XA_INTEGER, 8, PropModeReplace, 1, &dummy, + FALSE); + XISetDevicePropertyDeletable(*keybd, XIGetKnownProperty(XI_PROP_XTEST_DEVICE), FALSE); + XIRegisterPropertyHandler(*keybd, DeviceSetXTestProperty, NULL, NULL); + } + + free( xtestname ); + + return retval; +} + +/** + * If master is NULL, return TRUE if the given device is an xtest device or + * FALSE otherwise. + * If master is not NULL, return TRUE if the given device is this master's + * xtest device. + */ +BOOL +IsXTestDevice(DeviceIntPtr dev, DeviceIntPtr master) +{ + if (IsMaster(dev)) + return FALSE; + + /* deviceid 0 is reserved for XIAllDevices, non-zero mid means XTest + * device */ + if (master) + return dev->xtest_master_id == master->id; + + return dev->xtest_master_id != 0; +} + +/** + * @return The X Test virtual device for the given master. + */ +DeviceIntPtr +GetXTestDevice(DeviceIntPtr master) +{ + DeviceIntPtr it; + + for (it = inputInfo.devices; it; it = it->next) + { + if (IsXTestDevice(it, master)) + return it; + } + + /* This only happens if master is a slave device. don't do that */ + return NULL; +} + +void +XTestExtensionInit(INITARGS) +{ + AddExtension(XTestExtensionName, 0, 0, + ProcXTestDispatch, SProcXTestDispatch, + NULL, StandardMinorOpcode); + + xtest_evlist = InitEventList(GetMaximumEventsNum()); +} diff --git a/Xext/xvdisp.c b/Xext/xvdisp.c new file mode 100644 index 0000000..deddebd --- /dev/null +++ b/Xext/xvdisp.c @@ -0,0 +1,1961 @@ +/*********************************************************** +Copyright 1991 by Digital Equipment Corporation, Maynard, Massachusetts, +and the Massachusetts Institute of Technology, Cambridge, Massachusetts. + + All Rights Reserved + +Permission to use, copy, modify, and distribute this software and its +documentation for any purpose and without fee is hereby granted, +provided that the above copyright notice appear in all copies and that +both that copyright notice and this permission notice appear in +supporting documentation, and that the names of Digital or MIT not be +used in advertising or publicity pertaining to distribution of the +software without specific, written prior permission. + +DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING +ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL +DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR +ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, +WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, +ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS +SOFTWARE. +******************************************************************/ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include <string.h> + +#include <X11/X.h> +#include <X11/Xproto.h> +#include "misc.h" +#include "scrnintstr.h" +#include "windowstr.h" +#include "pixmapstr.h" +#include "gcstruct.h" +#include "dixstruct.h" +#include "resource.h" +#include "opaque.h" + +#include <X11/extensions/Xv.h> +#include <X11/extensions/Xvproto.h> +#include "xvdix.h" +#ifdef MITSHM +#include <X11/extensions/shmproto.h> +#endif + +#include "xvdisp.h" + +#ifdef PANORAMIX +#include "panoramiX.h" +#include "panoramiXsrv.h" + +unsigned long XvXRTPort; +#endif + +static int +SWriteQueryExtensionReply( + ClientPtr client, + xvQueryExtensionReply *rep +){ + char n; + + swaps(&rep->sequenceNumber, n); + swapl(&rep->length, n); + swaps(&rep->version, n); + swaps(&rep->revision, n); + + (void)WriteToClient(client, sz_xvQueryExtensionReply, (char *)rep); + + return Success; +} + +static int +SWriteQueryAdaptorsReply( + ClientPtr client, + xvQueryAdaptorsReply *rep +){ + char n; + + swaps(&rep->sequenceNumber, n); + swapl(&rep->length, n); + swaps(&rep->num_adaptors, n); + + (void)WriteToClient(client, sz_xvQueryAdaptorsReply, (char *)rep); + + return Success; +} + +static int +SWriteQueryEncodingsReply( + ClientPtr client, + xvQueryEncodingsReply *rep +){ + char n; + + swaps(&rep->sequenceNumber, n); + swapl(&rep->length, n); + swaps(&rep->num_encodings, n); + + (void)WriteToClient(client, sz_xvQueryEncodingsReply, (char *)rep); + + return Success; +} + +static int +SWriteAdaptorInfo( + ClientPtr client, + xvAdaptorInfo *pAdaptor +){ + char n; + + swapl(&pAdaptor->base_id, n); + swaps(&pAdaptor->name_size, n); + swaps(&pAdaptor->num_ports, n); + swaps(&pAdaptor->num_formats, n); + + (void)WriteToClient(client, sz_xvAdaptorInfo, (char *)pAdaptor); + + return Success; +} + +static int +SWriteEncodingInfo( + ClientPtr client, + xvEncodingInfo *pEncoding +){ + char n; + + swapl(&pEncoding->encoding, n); + swaps(&pEncoding->name_size, n); + swaps(&pEncoding->width, n); + swaps(&pEncoding->height, n); + swapl(&pEncoding->rate.numerator, n); + swapl(&pEncoding->rate.denominator, n); + (void)WriteToClient(client, sz_xvEncodingInfo, (char *)pEncoding); + + return Success; +} + +static int +SWriteFormat( + ClientPtr client, + xvFormat *pFormat +){ + char n; + + swapl(&pFormat->visual, n); + (void)WriteToClient(client, sz_xvFormat, (char *)pFormat); + + return Success; +} + +static int +SWriteAttributeInfo( + ClientPtr client, + xvAttributeInfo *pAtt +){ + char n; + + swapl(&pAtt->flags, n); + swapl(&pAtt->size, n); + swapl(&pAtt->min, n); + swapl(&pAtt->max, n); + (void)WriteToClient(client, sz_xvAttributeInfo, (char *)pAtt); + + return Success; +} + +static int +SWriteImageFormatInfo( + ClientPtr client, + xvImageFormatInfo *pImage +){ + char n; + + swapl(&pImage->id, n); + swapl(&pImage->red_mask, n); + swapl(&pImage->green_mask, n); + swapl(&pImage->blue_mask, n); + swapl(&pImage->y_sample_bits, n); + swapl(&pImage->u_sample_bits, n); + swapl(&pImage->v_sample_bits, n); + swapl(&pImage->horz_y_period, n); + swapl(&pImage->horz_u_period, n); + swapl(&pImage->horz_v_period, n); + swapl(&pImage->vert_y_period, n); + swapl(&pImage->vert_u_period, n); + swapl(&pImage->vert_v_period, n); + + (void)WriteToClient(client, sz_xvImageFormatInfo, (char *)pImage); + + return Success; +} + +static int +SWriteGrabPortReply( + ClientPtr client, + xvGrabPortReply *rep +){ + char n; + + swaps(&rep->sequenceNumber, n); + swapl(&rep->length, n); + + (void)WriteToClient(client, sz_xvGrabPortReply, (char *)rep); + + return Success; +} + +static int +SWriteGetPortAttributeReply( + ClientPtr client, + xvGetPortAttributeReply *rep +){ + char n; + + swaps(&rep->sequenceNumber, n); + swapl(&rep->length, n); + swapl(&rep->value, n); + + (void)WriteToClient(client, sz_xvGetPortAttributeReply, (char *)rep); + + return Success; +} + +static int +SWriteQueryBestSizeReply( + ClientPtr client, + xvQueryBestSizeReply *rep +){ + char n; + + swaps(&rep->sequenceNumber, n); + swapl(&rep->length, n); + swaps(&rep->actual_width, n); + swaps(&rep->actual_height, n); + + (void)WriteToClient(client, sz_xvQueryBestSizeReply, (char *)rep); + + return Success; +} + +static int +SWriteQueryPortAttributesReply( + ClientPtr client, + xvQueryPortAttributesReply *rep +){ + char n; + + swaps(&rep->sequenceNumber, n); + swapl(&rep->length, n); + swapl(&rep->num_attributes, n); + swapl(&rep->text_size, n); + + (void)WriteToClient(client, sz_xvQueryPortAttributesReply, (char *)rep); + + return Success; +} + +static int +SWriteQueryImageAttributesReply( + ClientPtr client, + xvQueryImageAttributesReply *rep +){ + char n; + + swaps(&rep->sequenceNumber, n); + swapl(&rep->length, n); + swapl(&rep->num_planes, n); + swapl(&rep->data_size, n); + swaps(&rep->width, n); + swaps(&rep->height, n); + + (void)WriteToClient(client, sz_xvQueryImageAttributesReply, (char *)rep); + + return Success; +} + +static int +SWriteListImageFormatsReply( + ClientPtr client, + xvListImageFormatsReply *rep +){ + char n; + + swaps(&rep->sequenceNumber, n); + swapl(&rep->length, n); + swapl(&rep->num_formats, n); + + (void)WriteToClient(client, sz_xvListImageFormatsReply, (char *)rep); + + return Success; +} + +#define _WriteQueryAdaptorsReply(_c,_d) \ + if ((_c)->swapped) SWriteQueryAdaptorsReply(_c, _d); \ + else WriteToClient(_c, sz_xvQueryAdaptorsReply, (char*)_d) + +#define _WriteQueryExtensionReply(_c,_d) \ + if ((_c)->swapped) SWriteQueryExtensionReply(_c, _d); \ + else WriteToClient(_c, sz_xvQueryExtensionReply, (char*)_d) + +#define _WriteQueryEncodingsReply(_c,_d) \ + if ((_c)->swapped) SWriteQueryEncodingsReply(_c, _d); \ + else WriteToClient(_c, sz_xvQueryEncodingsReply, (char*)_d) + +#define _WriteAdaptorInfo(_c,_d) \ + if ((_c)->swapped) SWriteAdaptorInfo(_c, _d); \ + else WriteToClient(_c, sz_xvAdaptorInfo, (char*)_d) + +#define _WriteAttributeInfo(_c,_d) \ + if ((_c)->swapped) SWriteAttributeInfo(_c, _d); \ + else WriteToClient(_c, sz_xvAttributeInfo, (char*)_d) + +#define _WriteEncodingInfo(_c,_d) \ + if ((_c)->swapped) SWriteEncodingInfo(_c, _d); \ + else WriteToClient(_c, sz_xvEncodingInfo, (char*)_d) + +#define _WriteFormat(_c,_d) \ + if ((_c)->swapped) SWriteFormat(_c, _d); \ + else WriteToClient(_c, sz_xvFormat, (char*)_d) + +#define _WriteGrabPortReply(_c,_d) \ + if ((_c)->swapped) SWriteGrabPortReply(_c, _d); \ + else WriteToClient(_c, sz_xvGrabPortReply, (char*)_d) + +#define _WriteGetPortAttributeReply(_c,_d) \ + if ((_c)->swapped) SWriteGetPortAttributeReply(_c, _d); \ + else WriteToClient(_c, sz_xvGetPortAttributeReply, (char*)_d) + +#define _WriteQueryBestSizeReply(_c,_d) \ + if ((_c)->swapped) SWriteQueryBestSizeReply(_c, _d); \ + else WriteToClient(_c, sz_xvQueryBestSizeReply,(char*) _d) + +#define _WriteQueryPortAttributesReply(_c,_d) \ + if ((_c)->swapped) SWriteQueryPortAttributesReply(_c, _d); \ + else WriteToClient(_c, sz_xvQueryPortAttributesReply,(char*) _d) + +#define _WriteQueryImageAttributesReply(_c,_d) \ + if ((_c)->swapped) SWriteQueryImageAttributesReply(_c, _d); \ + else WriteToClient(_c, sz_xvQueryImageAttributesReply,(char*) _d) + +#define _WriteListImageFormatsReply(_c,_d) \ + if ((_c)->swapped) SWriteListImageFormatsReply(_c, _d); \ + else WriteToClient(_c, sz_xvListImageFormatsReply,(char*) _d) + +#define _WriteImageFormatInfo(_c,_d) \ + if ((_c)->swapped) SWriteImageFormatInfo(_c, _d); \ + else WriteToClient(_c, sz_xvImageFormatInfo, (char*)_d) + +#define _AllocatePort(_i,_p) \ + ((_p)->id != _i) ? (* (_p)->pAdaptor->ddAllocatePort)(_i,_p,&_p) : Success + +static int +ProcXvQueryExtension(ClientPtr client) +{ + xvQueryExtensionReply rep; + /* REQUEST(xvQueryExtensionReq); */ + REQUEST_SIZE_MATCH(xvQueryExtensionReq); + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.length = 0; + rep.version = XvVersion; + rep.revision = XvRevision; + + _WriteQueryExtensionReply(client, &rep); + + return Success; +} + +static int +ProcXvQueryAdaptors(ClientPtr client) +{ + xvFormat format; + xvAdaptorInfo ainfo; + xvQueryAdaptorsReply rep; + int totalSize, na, nf, rc; + int nameSize; + XvAdaptorPtr pa; + XvFormatPtr pf; + WindowPtr pWin; + ScreenPtr pScreen; + XvScreenPtr pxvs; + + REQUEST(xvQueryAdaptorsReq); + REQUEST_SIZE_MATCH(xvQueryAdaptorsReq); + + rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); + if (rc != Success) + return rc; + + pScreen = pWin->drawable.pScreen; + pxvs = (XvScreenPtr)dixLookupPrivate(&pScreen->devPrivates, + XvGetScreenKey()); + if (!pxvs) + { + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.num_adaptors = 0; + rep.length = 0; + + _WriteQueryAdaptorsReply(client, &rep); + + return Success; + } + + (* pxvs->ddQueryAdaptors)(pScreen, &pxvs->pAdaptors, &pxvs->nAdaptors); + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.num_adaptors = pxvs->nAdaptors; + + /* CALCULATE THE TOTAL SIZE OF THE REPLY IN BYTES */ + + totalSize = pxvs->nAdaptors * sz_xvAdaptorInfo; + + /* FOR EACH ADPATOR ADD UP THE BYTES FOR ENCODINGS AND FORMATS */ + + na = pxvs->nAdaptors; + pa = pxvs->pAdaptors; + while (na--) + { + totalSize += pad_to_int32(strlen(pa->name)); + totalSize += pa->nFormats * sz_xvFormat; + pa++; + } + + rep.length = bytes_to_int32(totalSize); + + _WriteQueryAdaptorsReply(client, &rep); + + na = pxvs->nAdaptors; + pa = pxvs->pAdaptors; + while (na--) + { + + ainfo.base_id = pa->base_id; + ainfo.num_ports = pa->nPorts; + ainfo.type = pa->type; + ainfo.name_size = nameSize = strlen(pa->name); + ainfo.num_formats = pa->nFormats; + + _WriteAdaptorInfo(client, &ainfo); + + WriteToClient(client, nameSize, pa->name); + + nf = pa->nFormats; + pf = pa->pFormats; + while (nf--) + { + format.depth = pf->depth; + format.visual = pf->visual; + _WriteFormat(client, &format); + pf++; + } + + pa++; + + } + + return Success; +} + +static int +ProcXvQueryEncodings(ClientPtr client) +{ + xvEncodingInfo einfo; + xvQueryEncodingsReply rep; + int totalSize; + int nameSize; + XvPortPtr pPort; + int ne; + XvEncodingPtr pe; + int status; + + REQUEST(xvQueryEncodingsReq); + REQUEST_SIZE_MATCH(xvQueryEncodingsReq); + + VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); + + if ((status = _AllocatePort(stuff->port, pPort)) != Success) + { + client->errorValue = stuff->port; + return status; + } + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.num_encodings = pPort->pAdaptor->nEncodings; + + /* FOR EACH ENCODING ADD UP THE BYTES FOR ENCODING NAMES */ + + ne = pPort->pAdaptor->nEncodings; + pe = pPort->pAdaptor->pEncodings; + totalSize = ne * sz_xvEncodingInfo; + while (ne--) + { + totalSize += pad_to_int32(strlen(pe->name)); + pe++; + } + + rep.length = bytes_to_int32(totalSize); + + _WriteQueryEncodingsReply(client, &rep); + + ne = pPort->pAdaptor->nEncodings; + pe = pPort->pAdaptor->pEncodings; + while (ne--) + { + einfo.encoding = pe->id; + einfo.name_size = nameSize = strlen(pe->name); + einfo.width = pe->width; + einfo.height = pe->height; + einfo.rate.numerator = pe->rate.numerator; + einfo.rate.denominator = pe->rate.denominator; + _WriteEncodingInfo(client, &einfo); + WriteToClient(client, nameSize, pe->name); + pe++; + } + + return Success; +} + +static int +ProcXvPutVideo(ClientPtr client) +{ + DrawablePtr pDraw; + XvPortPtr pPort; + GCPtr pGC; + int status; + + REQUEST(xvPutVideoReq); + REQUEST_SIZE_MATCH(xvPutVideoReq); + + VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); + VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); + + if ((status = _AllocatePort(stuff->port, pPort)) != Success) + { + client->errorValue = stuff->port; + return status; + } + + if (!(pPort->pAdaptor->type & XvInputMask) || + !(pPort->pAdaptor->type & XvVideoMask)) + { + client->errorValue = stuff->port; + return BadMatch; + } + + status = XvdiMatchPort(pPort, pDraw); + if (status != Success) + { + return status; + } + + return XvdiPutVideo(client, pDraw, pPort, pGC, stuff->vid_x, stuff->vid_y, + stuff->vid_w, stuff->vid_h, stuff->drw_x, stuff->drw_y, + stuff->drw_w, stuff->drw_h); +} + +static int +ProcXvPutStill(ClientPtr client) +{ + DrawablePtr pDraw; + XvPortPtr pPort; + GCPtr pGC; + int status; + + REQUEST(xvPutStillReq); + REQUEST_SIZE_MATCH(xvPutStillReq); + + VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); + VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); + + if ((status = _AllocatePort(stuff->port, pPort)) != Success) + { + client->errorValue = stuff->port; + return status; + } + + if (!(pPort->pAdaptor->type & XvInputMask) || + !(pPort->pAdaptor->type & XvStillMask)) + { + client->errorValue = stuff->port; + return BadMatch; + } + + status = XvdiMatchPort(pPort, pDraw); + if (status != Success) + { + return status; + } + + return XvdiPutStill(client, pDraw, pPort, pGC, stuff->vid_x, stuff->vid_y, + stuff->vid_w, stuff->vid_h, stuff->drw_x, stuff->drw_y, + stuff->drw_w, stuff->drw_h); +} + +static int +ProcXvGetVideo(ClientPtr client) +{ + DrawablePtr pDraw; + XvPortPtr pPort; + GCPtr pGC; + int status; + + REQUEST(xvGetVideoReq); + REQUEST_SIZE_MATCH(xvGetVideoReq); + + VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixReadAccess); + VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); + + if ((status = _AllocatePort(stuff->port, pPort)) != Success) + { + client->errorValue = stuff->port; + return status; + } + + if (!(pPort->pAdaptor->type & XvOutputMask) || + !(pPort->pAdaptor->type & XvVideoMask)) + { + client->errorValue = stuff->port; + return BadMatch; + } + + status = XvdiMatchPort(pPort, pDraw); + if (status != Success) + { + return status; + } + + return XvdiGetVideo(client, pDraw, pPort, pGC, stuff->vid_x, stuff->vid_y, + stuff->vid_w, stuff->vid_h, stuff->drw_x, stuff->drw_y, + stuff->drw_w, stuff->drw_h); +} + +static int +ProcXvGetStill(ClientPtr client) +{ + DrawablePtr pDraw; + XvPortPtr pPort; + GCPtr pGC; + int status; + + REQUEST(xvGetStillReq); + REQUEST_SIZE_MATCH(xvGetStillReq); + + VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixReadAccess); + VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); + + if ((status = _AllocatePort(stuff->port, pPort)) != Success) + { + client->errorValue = stuff->port; + return status; + } + + if (!(pPort->pAdaptor->type & XvOutputMask) || + !(pPort->pAdaptor->type & XvStillMask)) + { + client->errorValue = stuff->port; + return BadMatch; + } + + status = XvdiMatchPort(pPort, pDraw); + if (status != Success) + { + return status; + } + + return XvdiGetStill(client, pDraw, pPort, pGC, stuff->vid_x, stuff->vid_y, + stuff->vid_w, stuff->vid_h, stuff->drw_x, stuff->drw_y, + stuff->drw_w, stuff->drw_h); +} + +static int +ProcXvSelectVideoNotify(ClientPtr client) +{ + DrawablePtr pDraw; + int rc; + REQUEST(xvSelectVideoNotifyReq); + REQUEST_SIZE_MATCH(xvSelectVideoNotifyReq); + + rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0, DixReceiveAccess); + if (rc != Success) + return rc; + + return XvdiSelectVideoNotify(client, pDraw, stuff->onoff); +} + +static int +ProcXvSelectPortNotify(ClientPtr client) +{ + int status; + XvPortPtr pPort; + REQUEST(xvSelectPortNotifyReq); + REQUEST_SIZE_MATCH(xvSelectPortNotifyReq); + + VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); + + if ((status = _AllocatePort(stuff->port, pPort)) != Success) + { + client->errorValue = stuff->port; + return status; + } + + return XvdiSelectPortNotify(client, pPort, stuff->onoff); +} + +static int +ProcXvGrabPort(ClientPtr client) +{ + int result, status; + XvPortPtr pPort; + xvGrabPortReply rep; + REQUEST(xvGrabPortReq); + REQUEST_SIZE_MATCH(xvGrabPortReq); + + VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); + + if ((status = _AllocatePort(stuff->port, pPort)) != Success) + { + client->errorValue = stuff->port; + return status; + } + + status = XvdiGrabPort(client, pPort, stuff->time, &result); + + if (status != Success) + { + return status; + } + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.length = 0; + rep.result = result; + + _WriteGrabPortReply(client, &rep); + + return Success; +} + +static int +ProcXvUngrabPort(ClientPtr client) +{ + int status; + XvPortPtr pPort; + REQUEST(xvGrabPortReq); + REQUEST_SIZE_MATCH(xvGrabPortReq); + + VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); + + if ((status = _AllocatePort(stuff->port, pPort)) != Success) + { + client->errorValue = stuff->port; + return status; + } + + return XvdiUngrabPort(client, pPort, stuff->time); +} + +static int +ProcXvStopVideo(ClientPtr client) +{ + int status, rc; + DrawablePtr pDraw; + XvPortPtr pPort; + REQUEST(xvStopVideoReq); + REQUEST_SIZE_MATCH(xvStopVideoReq); + + VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); + + if ((status = _AllocatePort(stuff->port, pPort)) != Success) + { + client->errorValue = stuff->port; + return status; + } + + rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0, DixWriteAccess); + if (rc != Success) + return rc; + + return XvdiStopVideo(client, pPort, pDraw); +} + +static int +ProcXvSetPortAttribute(ClientPtr client) +{ + int status; + XvPortPtr pPort; + REQUEST(xvSetPortAttributeReq); + REQUEST_SIZE_MATCH(xvSetPortAttributeReq); + + VALIDATE_XV_PORT(stuff->port, pPort, DixSetAttrAccess); + + if ((status = _AllocatePort(stuff->port, pPort)) != Success) + { + client->errorValue = stuff->port; + return status; + } + + if (!ValidAtom(stuff->attribute)) + { + client->errorValue = stuff->attribute; + return BadAtom; + } + + status = XvdiSetPortAttribute(client, pPort, stuff->attribute, stuff->value); + + if (status == BadMatch) + client->errorValue = stuff->attribute; + else + client->errorValue = stuff->value; + + return status; +} + +static int +ProcXvGetPortAttribute(ClientPtr client) +{ + INT32 value; + int status; + XvPortPtr pPort; + xvGetPortAttributeReply rep; + REQUEST(xvGetPortAttributeReq); + REQUEST_SIZE_MATCH(xvGetPortAttributeReq); + + VALIDATE_XV_PORT(stuff->port, pPort, DixGetAttrAccess); + + if ((status = _AllocatePort(stuff->port, pPort)) != Success) + { + client->errorValue = stuff->port; + return status; + } + + if (!ValidAtom(stuff->attribute)) + { + client->errorValue = stuff->attribute; + return BadAtom; + } + + status = XvdiGetPortAttribute(client, pPort, stuff->attribute, &value); + if (status != Success) + { + client->errorValue = stuff->attribute; + return status; + } + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.length = 0; + rep.value = value; + + _WriteGetPortAttributeReply(client, &rep); + + return Success; +} + +static int +ProcXvQueryBestSize(ClientPtr client) +{ + int status; + unsigned int actual_width, actual_height; + XvPortPtr pPort; + xvQueryBestSizeReply rep; + REQUEST(xvQueryBestSizeReq); + REQUEST_SIZE_MATCH(xvQueryBestSizeReq); + + VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); + + if ((status = _AllocatePort(stuff->port, pPort)) != Success) + { + client->errorValue = stuff->port; + return status; + } + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.length = 0; + + (* pPort->pAdaptor->ddQueryBestSize)(client, pPort, stuff->motion, + stuff->vid_w, stuff->vid_h, + stuff->drw_w, stuff->drw_h, + &actual_width, &actual_height); + + rep.actual_width = actual_width; + rep.actual_height = actual_height; + + _WriteQueryBestSizeReply(client, &rep); + + return Success; +} + + +static int +ProcXvQueryPortAttributes(ClientPtr client) +{ + int status, size, i; + XvPortPtr pPort; + XvAttributePtr pAtt; + xvQueryPortAttributesReply rep; + xvAttributeInfo Info; + REQUEST(xvQueryPortAttributesReq); + REQUEST_SIZE_MATCH(xvQueryPortAttributesReq); + + VALIDATE_XV_PORT(stuff->port, pPort, DixGetAttrAccess); + + if ((status = _AllocatePort(stuff->port, pPort)) != Success) + { + client->errorValue = stuff->port; + return status; + } + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.num_attributes = pPort->pAdaptor->nAttributes; + rep.text_size = 0; + + for(i = 0, pAtt = pPort->pAdaptor->pAttributes; + i < pPort->pAdaptor->nAttributes; i++, pAtt++) + { + rep.text_size += pad_to_int32(strlen(pAtt->name) + 1); + } + + rep.length = (pPort->pAdaptor->nAttributes * sz_xvAttributeInfo) + + rep.text_size; + rep.length >>= 2; + + _WriteQueryPortAttributesReply(client, &rep); + + for(i = 0, pAtt = pPort->pAdaptor->pAttributes; + i < pPort->pAdaptor->nAttributes; i++, pAtt++) + { + size = strlen(pAtt->name) + 1; /* pass the NULL */ + Info.flags = pAtt->flags; + Info.min = pAtt->min_value; + Info.max = pAtt->max_value; + Info.size = pad_to_int32(size); + + _WriteAttributeInfo(client, &Info); + + WriteToClient(client, size, pAtt->name); + } + + return Success; +} + +static int +ProcXvPutImage(ClientPtr client) +{ + DrawablePtr pDraw; + XvPortPtr pPort; + XvImagePtr pImage = NULL; + GCPtr pGC; + int status, i, size; + CARD16 width, height; + + REQUEST(xvPutImageReq); + REQUEST_AT_LEAST_SIZE(xvPutImageReq); + + VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); + VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); + + if ((status = _AllocatePort(stuff->port, pPort)) != Success) + { + client->errorValue = stuff->port; + return status; + } + + if (!(pPort->pAdaptor->type & XvImageMask) || + !(pPort->pAdaptor->type & XvInputMask)) + { + client->errorValue = stuff->port; + return BadMatch; + } + + status = XvdiMatchPort(pPort, pDraw); + if (status != Success) + { + return status; + } + + for(i = 0; i < pPort->pAdaptor->nImages; i++) { + if(pPort->pAdaptor->pImages[i].id == stuff->id) { + pImage = &(pPort->pAdaptor->pImages[i]); + break; + } + } + + if(!pImage) + return BadMatch; + + width = stuff->width; + height = stuff->height; + size = (*pPort->pAdaptor->ddQueryImageAttributes)(client, + pPort, pImage, &width, &height, NULL, NULL); + size += sizeof(xvPutImageReq); + size = bytes_to_int32(size); + + if((width < stuff->width) || (height < stuff->height)) + return BadValue; + + if(client->req_len < size) + return BadLength; + + return XvdiPutImage(client, pDraw, pPort, pGC, stuff->src_x, stuff->src_y, + stuff->src_w, stuff->src_h, stuff->drw_x, stuff->drw_y, + stuff->drw_w, stuff->drw_h, pImage, + (unsigned char*)(&stuff[1]), FALSE, + stuff->width, stuff->height); +} + +#ifdef MITSHM +/* redefined here since it's not in any header file */ +typedef struct _ShmDesc { + struct _ShmDesc *next; + int shmid; + int refcnt; + char *addr; + Bool writable; + unsigned long size; +} ShmDescRec, *ShmDescPtr; + +extern RESTYPE ShmSegType; +extern int ShmCompletionCode; + +static int +ProcXvShmPutImage(ClientPtr client) +{ + ShmDescPtr shmdesc; + DrawablePtr pDraw; + XvPortPtr pPort; + XvImagePtr pImage = NULL; + GCPtr pGC; + int status, size_needed, i; + CARD16 width, height; + + REQUEST(xvShmPutImageReq); + REQUEST_SIZE_MATCH(xvShmPutImageReq); + + VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); + VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); + + if ((status = _AllocatePort(stuff->port, pPort)) != Success) + { + client->errorValue = stuff->port; + return status; + } + + if (!(pPort->pAdaptor->type & XvImageMask) || + !(pPort->pAdaptor->type & XvInputMask)) + { + client->errorValue = stuff->port; + return BadMatch; + } + + status = XvdiMatchPort(pPort, pDraw); + if (status != Success) + { + return status; + } + + for(i = 0; i < pPort->pAdaptor->nImages; i++) { + if(pPort->pAdaptor->pImages[i].id == stuff->id) { + pImage = &(pPort->pAdaptor->pImages[i]); + break; + } + } + + if(!pImage) + return BadMatch; + + status = dixLookupResourceByType((pointer *)&shmdesc, stuff->shmseg, + ShmSegType, serverClient, DixReadAccess); + if (status != Success) + return status; + + width = stuff->width; + height = stuff->height; + size_needed = (*pPort->pAdaptor->ddQueryImageAttributes)(client, + pPort, pImage, &width, &height, NULL, NULL); + if((size_needed + stuff->offset) > shmdesc->size) + return BadAccess; + + if((width < stuff->width) || (height < stuff->height)) + return BadValue; + + status = XvdiPutImage(client, pDraw, pPort, pGC, stuff->src_x, stuff->src_y, + stuff->src_w, stuff->src_h, stuff->drw_x, stuff->drw_y, + stuff->drw_w, stuff->drw_h, pImage, + (unsigned char *)shmdesc->addr + stuff->offset, + stuff->send_event, stuff->width, stuff->height); + + if((status == Success) && stuff->send_event) { + xShmCompletionEvent ev; + + ev.type = ShmCompletionCode; + ev.drawable = stuff->drawable; + ev.minorEvent = xv_ShmPutImage; + ev.majorEvent = XvReqCode; + ev.shmseg = stuff->shmseg; + ev.offset = stuff->offset; + WriteEventsToClient(client, 1, (xEvent *) &ev); + } + + return status; +} +#else /* !MITSHM */ +static int +ProcXvShmPutImage(ClientPtr client) +{ + SendErrorToClient(client, XvReqCode, xv_ShmPutImage, 0, BadImplementation); + return BadImplementation; +} +#endif + +#ifdef XvMCExtension +#include "xvmcext.h" +#endif + +static int +ProcXvQueryImageAttributes(ClientPtr client) +{ + xvQueryImageAttributesReply rep; + int size, num_planes, i; + CARD16 width, height; + XvImagePtr pImage = NULL; + XvPortPtr pPort; + int *offsets; + int *pitches; + int planeLength; + REQUEST(xvQueryImageAttributesReq); + + REQUEST_SIZE_MATCH(xvQueryImageAttributesReq); + + VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); + + for(i = 0; i < pPort->pAdaptor->nImages; i++) { + if(pPort->pAdaptor->pImages[i].id == stuff->id) { + pImage = &(pPort->pAdaptor->pImages[i]); + break; + } + } + +#ifdef XvMCExtension + if(!pImage) + pImage = XvMCFindXvImage(pPort, stuff->id); +#endif + + if(!pImage) + return BadMatch; + + num_planes = pImage->num_planes; + + if(!(offsets = malloc(num_planes << 3))) + return BadAlloc; + pitches = offsets + num_planes; + + width = stuff->width; + height = stuff->height; + + size = (*pPort->pAdaptor->ddQueryImageAttributes)(client, pPort, pImage, + &width, &height, offsets, pitches); + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.length = planeLength = num_planes << 1; + rep.num_planes = num_planes; + rep.width = width; + rep.height = height; + rep.data_size = size; + + _WriteQueryImageAttributesReply(client, &rep); + if(client->swapped) + SwapLongs((CARD32*)offsets, planeLength); + WriteToClient(client, planeLength << 2, (char*)offsets); + + free(offsets); + + return Success; +} + +static int +ProcXvListImageFormats(ClientPtr client) +{ + XvPortPtr pPort; + XvImagePtr pImage; + int i; + xvListImageFormatsReply rep; + xvImageFormatInfo info; + REQUEST(xvListImageFormatsReq); + + REQUEST_SIZE_MATCH(xvListImageFormatsReq); + + VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.num_formats = pPort->pAdaptor->nImages; + rep.length = bytes_to_int32(pPort->pAdaptor->nImages * sz_xvImageFormatInfo); + + _WriteListImageFormatsReply(client, &rep); + + pImage = pPort->pAdaptor->pImages; + + for(i = 0; i < pPort->pAdaptor->nImages; i++, pImage++) { + info.id = pImage->id; + info.type = pImage->type; + info.byte_order = pImage->byte_order; + memcpy(&info.guid, pImage->guid, 16); + info.bpp = pImage->bits_per_pixel; + info.num_planes = pImage->num_planes; + info.depth = pImage->depth; + info.red_mask = pImage->red_mask; + info.green_mask = pImage->green_mask; + info.blue_mask = pImage->blue_mask; + info.format = pImage->format; + info.y_sample_bits = pImage->y_sample_bits; + info.u_sample_bits = pImage->u_sample_bits; + info.v_sample_bits = pImage->v_sample_bits; + info.horz_y_period = pImage->horz_y_period; + info.horz_u_period = pImage->horz_u_period; + info.horz_v_period = pImage->horz_v_period; + info.vert_y_period = pImage->vert_y_period; + info.vert_u_period = pImage->vert_u_period; + info.vert_v_period = pImage->vert_v_period; + memcpy(&info.comp_order, pImage->component_order, 32); + info.scanline_order = pImage->scanline_order; + _WriteImageFormatInfo(client, &info); + } + + return Success; +} + +static int (*XvProcVector[xvNumRequests])(ClientPtr) = { + ProcXvQueryExtension, + ProcXvQueryAdaptors, + ProcXvQueryEncodings, + ProcXvGrabPort, + ProcXvUngrabPort, + ProcXvPutVideo, + ProcXvPutStill, + ProcXvGetVideo, + ProcXvGetStill, + ProcXvStopVideo, + ProcXvSelectVideoNotify, + ProcXvSelectPortNotify, + ProcXvQueryBestSize, + ProcXvSetPortAttribute, + ProcXvGetPortAttribute, + ProcXvQueryPortAttributes, + ProcXvListImageFormats, + ProcXvQueryImageAttributes, + ProcXvPutImage, + ProcXvShmPutImage, +}; + +int +ProcXvDispatch(ClientPtr client) +{ + REQUEST(xReq); + + UpdateCurrentTime(); + + if (stuff->data > xvNumRequests) { + SendErrorToClient(client, XvReqCode, stuff->data, 0, BadRequest); + return BadRequest; + } + + return XvProcVector[stuff->data](client); +} + +/* Swapped Procs */ + +static int +SProcXvQueryExtension(ClientPtr client) +{ + char n; + REQUEST(xvQueryExtensionReq); + swaps(&stuff->length, n); + return XvProcVector[xv_QueryExtension](client); +} + +static int +SProcXvQueryAdaptors(ClientPtr client) +{ + char n; + REQUEST(xvQueryAdaptorsReq); + swaps(&stuff->length, n); + swapl(&stuff->window, n); + return XvProcVector[xv_QueryAdaptors](client); +} + +static int +SProcXvQueryEncodings(ClientPtr client) +{ + char n; + REQUEST(xvQueryEncodingsReq); + swaps(&stuff->length, n); + swapl(&stuff->port, n); + return XvProcVector[xv_QueryEncodings](client); +} + +static int +SProcXvGrabPort(ClientPtr client) +{ + char n; + REQUEST(xvGrabPortReq); + swaps(&stuff->length, n); + swapl(&stuff->port, n); + swapl(&stuff->time, n); + return XvProcVector[xv_GrabPort](client); +} + +static int +SProcXvUngrabPort(ClientPtr client) +{ + char n; + REQUEST(xvUngrabPortReq); + swaps(&stuff->length, n); + swapl(&stuff->port, n); + swapl(&stuff->time, n); + return XvProcVector[xv_UngrabPort](client); +} + +static int +SProcXvPutVideo(ClientPtr client) +{ + char n; + REQUEST(xvPutVideoReq); + swaps(&stuff->length, n); + swapl(&stuff->port, n); + swapl(&stuff->drawable, n); + swapl(&stuff->gc, n); + swaps(&stuff->vid_x, n); + swaps(&stuff->vid_y, n); + swaps(&stuff->vid_w, n); + swaps(&stuff->vid_h, n); + swaps(&stuff->drw_x, n); + swaps(&stuff->drw_y, n); + swaps(&stuff->drw_w, n); + swaps(&stuff->drw_h, n); + return XvProcVector[xv_PutVideo](client); +} + +static int +SProcXvPutStill(ClientPtr client) +{ + char n; + REQUEST(xvPutStillReq); + swaps(&stuff->length, n); + swapl(&stuff->port, n); + swapl(&stuff->drawable, n); + swapl(&stuff->gc, n); + swaps(&stuff->vid_x, n); + swaps(&stuff->vid_y, n); + swaps(&stuff->vid_w, n); + swaps(&stuff->vid_h, n); + swaps(&stuff->drw_x, n); + swaps(&stuff->drw_y, n); + swaps(&stuff->drw_w, n); + swaps(&stuff->drw_h, n); + return XvProcVector[xv_PutStill](client); +} + +static int +SProcXvGetVideo(ClientPtr client) +{ + char n; + REQUEST(xvGetVideoReq); + swaps(&stuff->length, n); + swapl(&stuff->port, n); + swapl(&stuff->drawable, n); + swapl(&stuff->gc, n); + swaps(&stuff->vid_x, n); + swaps(&stuff->vid_y, n); + swaps(&stuff->vid_w, n); + swaps(&stuff->vid_h, n); + swaps(&stuff->drw_x, n); + swaps(&stuff->drw_y, n); + swaps(&stuff->drw_w, n); + swaps(&stuff->drw_h, n); + return XvProcVector[xv_GetVideo](client); +} + +static int +SProcXvGetStill(ClientPtr client) +{ + char n; + REQUEST(xvGetStillReq); + swaps(&stuff->length, n); + swapl(&stuff->port, n); + swapl(&stuff->drawable, n); + swapl(&stuff->gc, n); + swaps(&stuff->vid_x, n); + swaps(&stuff->vid_y, n); + swaps(&stuff->vid_w, n); + swaps(&stuff->vid_h, n); + swaps(&stuff->drw_x, n); + swaps(&stuff->drw_y, n); + swaps(&stuff->drw_w, n); + swaps(&stuff->drw_h, n); + return XvProcVector[xv_GetStill](client); +} + +static int +SProcXvPutImage(ClientPtr client) +{ + char n; + REQUEST(xvPutImageReq); + swaps(&stuff->length, n); + swapl(&stuff->port, n); + swapl(&stuff->drawable, n); + swapl(&stuff->gc, n); + swapl(&stuff->id, n); + swaps(&stuff->src_x, n); + swaps(&stuff->src_y, n); + swaps(&stuff->src_w, n); + swaps(&stuff->src_h, n); + swaps(&stuff->drw_x, n); + swaps(&stuff->drw_y, n); + swaps(&stuff->drw_w, n); + swaps(&stuff->drw_h, n); + swaps(&stuff->width, n); + swaps(&stuff->height, n); + return XvProcVector[xv_PutImage](client); +} + +#ifdef MITSHM +static int +SProcXvShmPutImage(ClientPtr client) +{ + char n; + REQUEST(xvShmPutImageReq); + swaps(&stuff->length, n); + swapl(&stuff->port, n); + swapl(&stuff->drawable, n); + swapl(&stuff->gc, n); + swapl(&stuff->shmseg, n); + swapl(&stuff->id, n); + swapl(&stuff->offset, n); + swaps(&stuff->src_x, n); + swaps(&stuff->src_y, n); + swaps(&stuff->src_w, n); + swaps(&stuff->src_h, n); + swaps(&stuff->drw_x, n); + swaps(&stuff->drw_y, n); + swaps(&stuff->drw_w, n); + swaps(&stuff->drw_h, n); + swaps(&stuff->width, n); + swaps(&stuff->height, n); + return XvProcVector[xv_ShmPutImage](client); +} +#else /* MITSHM */ +#define SProcXvShmPutImage ProcXvShmPutImage +#endif + +static int +SProcXvSelectVideoNotify(ClientPtr client) +{ + char n; + REQUEST(xvSelectVideoNotifyReq); + swaps(&stuff->length, n); + swapl(&stuff->drawable, n); + return XvProcVector[xv_SelectVideoNotify](client); +} + +static int +SProcXvSelectPortNotify(ClientPtr client) +{ + char n; + REQUEST(xvSelectPortNotifyReq); + swaps(&stuff->length, n); + swapl(&stuff->port, n); + return XvProcVector[xv_SelectPortNotify](client); +} + +static int +SProcXvStopVideo(ClientPtr client) +{ + char n; + REQUEST(xvStopVideoReq); + swaps(&stuff->length, n); + swapl(&stuff->port, n); + swapl(&stuff->drawable, n); + return XvProcVector[xv_StopVideo](client); +} + +static int +SProcXvSetPortAttribute(ClientPtr client) +{ + char n; + REQUEST(xvSetPortAttributeReq); + swaps(&stuff->length, n); + swapl(&stuff->port, n); + swapl(&stuff->attribute, n); + swapl(&stuff->value, n); + return XvProcVector[xv_SetPortAttribute](client); +} + +static int +SProcXvGetPortAttribute(ClientPtr client) +{ + char n; + REQUEST(xvGetPortAttributeReq); + swaps(&stuff->length, n); + swapl(&stuff->port, n); + swapl(&stuff->attribute, n); + return XvProcVector[xv_GetPortAttribute](client); +} + +static int +SProcXvQueryBestSize(ClientPtr client) +{ + char n; + REQUEST(xvQueryBestSizeReq); + swaps(&stuff->length, n); + swapl(&stuff->port, n); + swaps(&stuff->vid_w, n); + swaps(&stuff->vid_h, n); + swaps(&stuff->drw_w, n); + swaps(&stuff->drw_h, n); + return XvProcVector[xv_QueryBestSize](client); +} + +static int +SProcXvQueryPortAttributes(ClientPtr client) +{ + char n; + REQUEST(xvQueryPortAttributesReq); + swaps(&stuff->length, n); + swapl(&stuff->port, n); + return XvProcVector[xv_QueryPortAttributes](client); +} + +static int +SProcXvQueryImageAttributes(ClientPtr client) +{ + char n; + REQUEST(xvQueryImageAttributesReq); + swaps(&stuff->length, n); + swapl(&stuff->port, n); + swapl(&stuff->id, n); + swaps(&stuff->width, n); + swaps(&stuff->height, n); + return XvProcVector[xv_QueryImageAttributes](client); +} + +static int +SProcXvListImageFormats(ClientPtr client) +{ + char n; + REQUEST(xvListImageFormatsReq); + swaps(&stuff->length, n); + swapl(&stuff->port, n); + return XvProcVector[xv_ListImageFormats](client); +} + +static int (*SXvProcVector[xvNumRequests])(ClientPtr) = { + SProcXvQueryExtension, + SProcXvQueryAdaptors, + SProcXvQueryEncodings, + SProcXvGrabPort, + SProcXvUngrabPort, + SProcXvPutVideo, + SProcXvPutStill, + SProcXvGetVideo, + SProcXvGetStill, + SProcXvStopVideo, + SProcXvSelectVideoNotify, + SProcXvSelectPortNotify, + SProcXvQueryBestSize, + SProcXvSetPortAttribute, + SProcXvGetPortAttribute, + SProcXvQueryPortAttributes, + SProcXvListImageFormats, + SProcXvQueryImageAttributes, + SProcXvPutImage, + SProcXvShmPutImage, +}; + +int +SProcXvDispatch(ClientPtr client) +{ + REQUEST(xReq); + + UpdateCurrentTime(); + + if (stuff->data > xvNumRequests) { + SendErrorToClient(client, XvReqCode, stuff->data, 0, BadRequest); + return BadRequest; + } + + return SXvProcVector[stuff->data](client); +} + +#ifdef PANORAMIX +static int +XineramaXvStopVideo(ClientPtr client) +{ + int result, i; + PanoramiXRes *draw, *port; + REQUEST(xvStopVideoReq); + REQUEST_SIZE_MATCH(xvStopVideoReq); + + result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + result = dixLookupResourceByType((pointer *)&port, stuff->port, + XvXRTPort, client, DixReadAccess); + if (result != Success) + return result; + + FOR_NSCREENS_BACKWARD(i) { + if(port->info[i].id) { + stuff->drawable = draw->info[i].id; + stuff->port = port->info[i].id; + result = ProcXvStopVideo(client); + } + } + + return result; +} + +static int +XineramaXvSetPortAttribute(ClientPtr client) +{ + REQUEST(xvSetPortAttributeReq); + PanoramiXRes *port; + int result, i; + + REQUEST_SIZE_MATCH(xvSetPortAttributeReq); + + result = dixLookupResourceByType((pointer *)&port, stuff->port, + XvXRTPort, client, DixReadAccess); + if (result != Success) + return result; + + FOR_NSCREENS_BACKWARD(i) { + if(port->info[i].id) { + stuff->port = port->info[i].id; + result = ProcXvSetPortAttribute(client); + } + } + return result; +} + +#ifdef MITSHM +static int +XineramaXvShmPutImage(ClientPtr client) +{ + REQUEST(xvShmPutImageReq); + PanoramiXRes *draw, *gc, *port; + Bool send_event = stuff->send_event; + Bool isRoot; + int result, i, x, y; + + REQUEST_SIZE_MATCH(xvShmPutImageReq); + + result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + result = dixLookupResourceByType((pointer *)&gc, stuff->gc, + XRT_GC, client, DixReadAccess); + if (result != Success) + return result; + + result = dixLookupResourceByType((pointer *)&port, stuff->port, + XvXRTPort, client, DixReadAccess); + if (result != Success) + return result; + + isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root; + + x = stuff->drw_x; + y = stuff->drw_y; + + FOR_NSCREENS_BACKWARD(i) { + if(port->info[i].id) { + stuff->drawable = draw->info[i].id; + stuff->port = port->info[i].id; + stuff->gc = gc->info[i].id; + stuff->drw_x = x; + stuff->drw_y = y; + if(isRoot) { + stuff->drw_x -= screenInfo.screens[i]->x; + stuff->drw_y -= screenInfo.screens[i]->y; + } + stuff->send_event = (send_event && !i) ? 1 : 0; + + result = ProcXvShmPutImage(client); + } + } + return result; +} +#else +#define XineramaXvShmPutImage ProcXvShmPutImage +#endif + +static int +XineramaXvPutImage(ClientPtr client) +{ + REQUEST(xvPutImageReq); + PanoramiXRes *draw, *gc, *port; + Bool isRoot; + int result, i, x, y; + + REQUEST_AT_LEAST_SIZE(xvPutImageReq); + + result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + result = dixLookupResourceByType((pointer *)&gc, stuff->gc, + XRT_GC, client, DixReadAccess); + if (result != Success) + return result; + + result = dixLookupResourceByType((pointer *)&port, stuff->port, + XvXRTPort, client, DixReadAccess); + if (result != Success) + return result; + + isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root; + + x = stuff->drw_x; + y = stuff->drw_y; + + FOR_NSCREENS_BACKWARD(i) { + if(port->info[i].id) { + stuff->drawable = draw->info[i].id; + stuff->port = port->info[i].id; + stuff->gc = gc->info[i].id; + stuff->drw_x = x; + stuff->drw_y = y; + if(isRoot) { + stuff->drw_x -= screenInfo.screens[i]->x; + stuff->drw_y -= screenInfo.screens[i]->y; + } + + result = ProcXvPutImage(client); + } + } + return result; +} + +static int +XineramaXvPutVideo(ClientPtr client) +{ + REQUEST(xvPutImageReq); + PanoramiXRes *draw, *gc, *port; + Bool isRoot; + int result, i, x, y; + + REQUEST_AT_LEAST_SIZE(xvPutVideoReq); + + result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + result = dixLookupResourceByType((pointer *)&gc, stuff->gc, + XRT_GC, client, DixReadAccess); + if (result != Success) + return result; + + result = dixLookupResourceByType((pointer *)&port, stuff->port, + XvXRTPort, client, DixReadAccess); + if (result != Success) + return result; + + isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root; + + x = stuff->drw_x; + y = stuff->drw_y; + + FOR_NSCREENS_BACKWARD(i) { + if(port->info[i].id) { + stuff->drawable = draw->info[i].id; + stuff->port = port->info[i].id; + stuff->gc = gc->info[i].id; + stuff->drw_x = x; + stuff->drw_y = y; + if(isRoot) { + stuff->drw_x -= screenInfo.screens[i]->x; + stuff->drw_y -= screenInfo.screens[i]->y; + } + + result = ProcXvPutVideo(client); + } + } + return result; +} + +static int +XineramaXvPutStill(ClientPtr client) +{ + REQUEST(xvPutImageReq); + PanoramiXRes *draw, *gc, *port; + Bool isRoot; + int result, i, x, y; + + REQUEST_AT_LEAST_SIZE(xvPutImageReq); + + result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + result = dixLookupResourceByType((pointer *)&gc, stuff->gc, + XRT_GC, client, DixReadAccess); + if (result != Success) + return result; + + result = dixLookupResourceByType((pointer *)&port, stuff->port, + XvXRTPort, client, DixReadAccess); + if (result != Success) + return result; + + isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root; + + x = stuff->drw_x; + y = stuff->drw_y; + + FOR_NSCREENS_BACKWARD(i) { + if(port->info[i].id) { + stuff->drawable = draw->info[i].id; + stuff->port = port->info[i].id; + stuff->gc = gc->info[i].id; + stuff->drw_x = x; + stuff->drw_y = y; + if(isRoot) { + stuff->drw_x -= screenInfo.screens[i]->x; + stuff->drw_y -= screenInfo.screens[i]->y; + } + + result = ProcXvPutStill(client); + } + } + return result; +} + +static Bool +isImageAdaptor(XvAdaptorPtr pAdapt) +{ + return (pAdapt->type & XvImageMask) && (pAdapt->nImages > 0); +} + +static Bool +hasOverlay(XvAdaptorPtr pAdapt) +{ + int i; + for(i = 0; i < pAdapt->nAttributes; i++) + if(!strcmp(pAdapt->pAttributes[i].name, "XV_COLORKEY")) + return TRUE; + return FALSE; +} + +static XvAdaptorPtr +matchAdaptor(ScreenPtr pScreen, XvAdaptorPtr refAdapt, Bool isOverlay) +{ + int i; + XvScreenPtr xvsp = dixLookupPrivate(&pScreen->devPrivates, XvGetScreenKey()); + /* Do not try to go on if xv is not supported on this screen */ + if(xvsp == NULL) + return NULL; + + /* if the adaptor has the same name it's a perfect match */ + for(i = 0; i < xvsp->nAdaptors; i++) { + XvAdaptorPtr pAdapt = xvsp->pAdaptors + i; + if(!strcmp(refAdapt->name, pAdapt->name)) + return pAdapt; + } + + /* otherwise we only look for XvImage adaptors */ + if(!isImageAdaptor(refAdapt)) + return NULL; + + /* prefer overlay/overlay non-overlay/non-overlay pairing */ + for(i = 0; i < xvsp->nAdaptors; i++) { + XvAdaptorPtr pAdapt = xvsp->pAdaptors + i; + if(isImageAdaptor(pAdapt) && isOverlay == hasOverlay(pAdapt)) + return pAdapt; + } + + /* but we'll take any XvImage pairing if we can get it */ + for(i = 0; i < xvsp->nAdaptors; i++) { + XvAdaptorPtr pAdapt = xvsp->pAdaptors + i; + if(isImageAdaptor(pAdapt)) + return pAdapt; + } + return NULL; +} + +void XineramifyXv(void) +{ + XvScreenPtr xvsp0 = dixLookupPrivate(&screenInfo.screens[0]->devPrivates, XvGetScreenKey()); + XvAdaptorPtr MatchingAdaptors[MAXSCREENS]; + int i, j, k; + + XvXRTPort = CreateNewResourceType(XineramaDeleteResource, "XvXRTPort"); + + if (!xvsp0 || !XvXRTPort) return; + SetResourceTypeErrorValue(XvXRTPort, _XvBadPort); + + for(i = 0; i < xvsp0->nAdaptors; i++) { + Bool isOverlay; + XvAdaptorPtr refAdapt = xvsp0->pAdaptors + i; + if(!(refAdapt->type & XvInputMask)) continue; + + MatchingAdaptors[0] = refAdapt; + isOverlay = hasOverlay(refAdapt); + for(j = 1; j < PanoramiXNumScreens; j++) + MatchingAdaptors[j] = matchAdaptor(screenInfo.screens[j], refAdapt, isOverlay); + + /* now create a resource for each port */ + for(j = 0; j < refAdapt->nPorts; j++) { + PanoramiXRes *port = malloc(sizeof(PanoramiXRes)); + if(!port) + break; + + for(k = 0; k < PanoramiXNumScreens; k++) { + if(MatchingAdaptors[k] && (MatchingAdaptors[k]->nPorts > j)) + port->info[k].id = MatchingAdaptors[k]->base_id + j; + else + port->info[k].id = 0; + } + AddResource(port->info[0].id, XvXRTPort, port); + } + } + + /* munge the dispatch vector */ + XvProcVector[xv_PutVideo] = XineramaXvPutVideo; + XvProcVector[xv_PutStill] = XineramaXvPutStill; + XvProcVector[xv_StopVideo] = XineramaXvStopVideo; + XvProcVector[xv_SetPortAttribute] = XineramaXvSetPortAttribute; + XvProcVector[xv_PutImage] = XineramaXvPutImage; + XvProcVector[xv_ShmPutImage] = XineramaXvShmPutImage; +} +#endif /* PANORAMIX */ + +void +XvResetProcVector(void) +{ +#ifdef PANORAMIX + XvProcVector[xv_PutVideo] = ProcXvPutVideo; + XvProcVector[xv_PutStill] = ProcXvPutStill; + XvProcVector[xv_StopVideo] = ProcXvStopVideo; + XvProcVector[xv_SetPortAttribute] = ProcXvSetPortAttribute; + XvProcVector[xv_PutImage] = ProcXvPutImage; + XvProcVector[xv_ShmPutImage] = ProcXvShmPutImage; +#endif +} diff --git a/Xext/xvdisp.h b/Xext/xvdisp.h new file mode 100644 index 0000000..298d395 --- /dev/null +++ b/Xext/xvdisp.h @@ -0,0 +1,2 @@ +extern void XineramifyXv(void); +extern void XvResetProcVector(void); diff --git a/Xext/xvdix.h b/Xext/xvdix.h new file mode 100644 index 0000000..a210615 --- /dev/null +++ b/Xext/xvdix.h @@ -0,0 +1,275 @@ +/*********************************************************** +Copyright 1991 by Digital Equipment Corporation, Maynard, Massachusetts, +and the Massachusetts Institute of Technology, Cambridge, Massachusetts. + + All Rights Reserved + +Permission to use, copy, modify, and distribute this software and its +documentation for any purpose and without fee is hereby granted, +provided that the above copyright notice appear in all copies and that +both that copyright notice and this permission notice appear in +supporting documentation, and that the names of Digital or MIT not be +used in advertising or publicity pertaining to distribution of the +software without specific, written prior permission. + +DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING +ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL +DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR +ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, +WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, +ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS +SOFTWARE. + +******************************************************************/ + +#ifndef XVDIX_H +#define XVDIX_H +/* +** File: +** +** xvdix.h --- Xv device independent header file +** +** Author: +** +** David Carver (Digital Workstation Engineering/Project Athena) +** +** Revisions: +** +** 29.08.91 Carver +** - removed UnrealizeWindow wrapper unrealizing windows no longer +** preempts video +** +** 11.06.91 Carver +** - changed SetPortControl to SetPortAttribute +** - changed GetPortControl to GetPortAttribute +** - changed QueryBestSize +** +** 15.05.91 Carver +** - version 2.0 upgrade +** +** 24.01.91 Carver +** - version 1.4 upgrade +** +*/ + +#include "scrnintstr.h" +#include <X11/extensions/Xvproto.h> + +#ifndef XorgLoader +extern _X_EXPORT unsigned long XvExtensionGeneration; +extern _X_EXPORT unsigned long XvScreenGeneration; +extern _X_EXPORT unsigned long XvResourceGeneration; + +extern _X_EXPORT int XvReqCode; +extern _X_EXPORT int XvEventBase; +extern _X_EXPORT int XvErrorBase; + +extern _X_EXPORT unsigned long XvRTPort; +extern _X_EXPORT unsigned long XvRTEncoding; +extern _X_EXPORT unsigned long XvRTGrab; +extern _X_EXPORT unsigned long XvRTVideoNotify; +extern _X_EXPORT unsigned long XvRTVideoNotifyList; +extern _X_EXPORT unsigned long XvRTPortNotify; +#endif + +typedef struct { + int numerator; + int denominator; +} XvRationalRec, *XvRationalPtr; + +typedef struct { + char depth; + unsigned long visual; +} XvFormatRec, *XvFormatPtr; + +typedef struct { + unsigned long id; + ClientPtr client; +} XvGrabRec, *XvGrabPtr; + +typedef struct _XvVideoNotifyRec { + struct _XvVideoNotifyRec *next; + ClientPtr client; + unsigned long id; + unsigned long mask; +} XvVideoNotifyRec, *XvVideoNotifyPtr; + +typedef struct _XvPortNotifyRec { + struct _XvPortNotifyRec *next; + ClientPtr client; + unsigned long id; +} XvPortNotifyRec, *XvPortNotifyPtr; + +typedef struct { + int id; + ScreenPtr pScreen; + char *name; + unsigned short width, height; + XvRationalRec rate; +} XvEncodingRec, *XvEncodingPtr; + +typedef struct _XvAttributeRec { + int flags; + int min_value; + int max_value; + char *name; +} XvAttributeRec, *XvAttributePtr; + +typedef struct { + int id; + int type; + int byte_order; + char guid[16]; + int bits_per_pixel; + int format; + int num_planes; + + /* for RGB formats only */ + int depth; + unsigned int red_mask; + unsigned int green_mask; + unsigned int blue_mask; + + /* for YUV formats only */ + unsigned int y_sample_bits; + unsigned int u_sample_bits; + unsigned int v_sample_bits; + unsigned int horz_y_period; + unsigned int horz_u_period; + unsigned int horz_v_period; + unsigned int vert_y_period; + unsigned int vert_u_period; + unsigned int vert_v_period; + char component_order[32]; + int scanline_order; +} XvImageRec, *XvImagePtr; + +typedef struct { + unsigned long base_id; + unsigned char type; + char *name; + int nEncodings; + XvEncodingPtr pEncodings; + int nFormats; + XvFormatPtr pFormats; + int nAttributes; + XvAttributePtr pAttributes; + int nImages; + XvImagePtr pImages; + int nPorts; + struct _XvPortRec *pPorts; + ScreenPtr pScreen; + int (* ddAllocatePort)(unsigned long, struct _XvPortRec*, + struct _XvPortRec**); + int (* ddFreePort)(struct _XvPortRec*); + int (* ddPutVideo)(ClientPtr, DrawablePtr,struct _XvPortRec*, GCPtr, + INT16, INT16, CARD16, CARD16, + INT16, INT16, CARD16, CARD16); + int (* ddPutStill)(ClientPtr, DrawablePtr,struct _XvPortRec*, GCPtr, + INT16, INT16, CARD16, CARD16, + INT16, INT16, CARD16, CARD16); + int (* ddGetVideo)(ClientPtr, DrawablePtr,struct _XvPortRec*, GCPtr, + INT16, INT16, CARD16, CARD16, + INT16, INT16, CARD16, CARD16); + int (* ddGetStill)(ClientPtr, DrawablePtr,struct _XvPortRec*, GCPtr, + INT16, INT16, CARD16, CARD16, + INT16, INT16, CARD16, CARD16); + int (* ddStopVideo)(ClientPtr, struct _XvPortRec*, DrawablePtr); + int (* ddSetPortAttribute)(ClientPtr, struct _XvPortRec*, Atom, INT32); + int (* ddGetPortAttribute)(ClientPtr, struct _XvPortRec*, Atom, INT32*); + int (* ddQueryBestSize)(ClientPtr, struct _XvPortRec*, CARD8, + CARD16, CARD16,CARD16, CARD16, + unsigned int*, unsigned int*); + int (* ddPutImage)(ClientPtr, DrawablePtr, struct _XvPortRec*, GCPtr, + INT16, INT16, CARD16, CARD16, + INT16, INT16, CARD16, CARD16, + XvImagePtr, unsigned char*, Bool, + CARD16, CARD16); + int (* ddQueryImageAttributes)(ClientPtr, struct _XvPortRec*, XvImagePtr, + CARD16*, CARD16*, int*, int*); + DevUnion devPriv; +} XvAdaptorRec, *XvAdaptorPtr; + +typedef struct _XvPortRec { + unsigned long id; + XvAdaptorPtr pAdaptor; + XvPortNotifyPtr pNotify; + DrawablePtr pDraw; + ClientPtr client; + XvGrabRec grab; + TimeStamp time; + DevUnion devPriv; +} XvPortRec, *XvPortPtr; + +#define VALIDATE_XV_PORT(portID, pPort, mode)\ + {\ + int rc = dixLookupResourceByType((pointer *)&(pPort), portID,\ + XvRTPort, client, mode);\ + if (rc != Success)\ + return rc;\ + } + +typedef struct { + int version, revision; + int nAdaptors; + XvAdaptorPtr pAdaptors; + DestroyWindowProcPtr DestroyWindow; + DestroyPixmapProcPtr DestroyPixmap; + CloseScreenProcPtr CloseScreen; + Bool (* ddCloseScreen)(int, ScreenPtr); + int (* ddQueryAdaptors)(ScreenPtr, XvAdaptorPtr*, int*); + DevUnion devPriv; +} XvScreenRec, *XvScreenPtr; + +#define SCREEN_PROLOGUE(pScreen, field) ((pScreen)->field = ((XvScreenPtr) \ + dixLookupPrivate(&(pScreen)->devPrivates, XvScreenKey))->field) + +#define SCREEN_EPILOGUE(pScreen, field, wrapper)\ + ((pScreen)->field = wrapper) + +/* Errors */ + +#define _XvBadPort (XvBadPort+XvErrorBase) +#define _XvBadEncoding (XvBadEncoding+XvErrorBase) + +#ifndef XorgLoader +extern _X_EXPORT int ProcXvDispatch(ClientPtr); +extern _X_EXPORT int SProcXvDispatch(ClientPtr); + +extern _X_EXPORT void XvExtensionInit(void); +extern _X_EXPORT int XvScreenInit(ScreenPtr); +extern _X_EXPORT DevPrivateKey XvGetScreenKey(void); +extern _X_EXPORT unsigned long XvGetRTPort(void); +extern _X_EXPORT int XvdiSendPortNotify(XvPortPtr, Atom, INT32); +extern _X_EXPORT int XvdiVideoStopped(XvPortPtr, int); + +extern _X_EXPORT int XvdiPutVideo(ClientPtr, DrawablePtr, XvPortPtr, GCPtr, + INT16, INT16, CARD16, CARD16, + INT16, INT16, CARD16, CARD16); +extern _X_EXPORT int XvdiPutStill(ClientPtr, DrawablePtr, XvPortPtr, GCPtr, + INT16, INT16, CARD16, CARD16, + INT16, INT16, CARD16, CARD16); +extern _X_EXPORT int XvdiGetVideo(ClientPtr, DrawablePtr, XvPortPtr, GCPtr, + INT16, INT16, CARD16, CARD16, + INT16, INT16, CARD16, CARD16); +extern _X_EXPORT int XvdiGetStill(ClientPtr, DrawablePtr, XvPortPtr, GCPtr, + INT16, INT16, CARD16, CARD16, + INT16, INT16, CARD16, CARD16); +extern _X_EXPORT int XvdiPutImage(ClientPtr, DrawablePtr, XvPortPtr, GCPtr, + INT16, INT16, CARD16, CARD16, + INT16, INT16, CARD16, CARD16, + XvImagePtr, unsigned char*, Bool, + CARD16, CARD16); +extern _X_EXPORT int XvdiSelectVideoNotify(ClientPtr, DrawablePtr, BOOL); +extern _X_EXPORT int XvdiSelectPortNotify(ClientPtr, XvPortPtr, BOOL); +extern _X_EXPORT int XvdiSetPortAttribute(ClientPtr, XvPortPtr, Atom, INT32); +extern _X_EXPORT int XvdiGetPortAttribute(ClientPtr, XvPortPtr, Atom, INT32*); +extern _X_EXPORT int XvdiStopVideo(ClientPtr, XvPortPtr, DrawablePtr); +extern _X_EXPORT int XvdiPreemptVideo(ClientPtr, XvPortPtr, DrawablePtr); +extern _X_EXPORT int XvdiMatchPort(XvPortPtr, DrawablePtr); +extern _X_EXPORT int XvdiGrabPort(ClientPtr, XvPortPtr, Time, int *); +extern _X_EXPORT int XvdiUngrabPort( ClientPtr, XvPortPtr, Time); +#endif /* XorgLoader */ + +#endif /* XVDIX_H */ + diff --git a/Xext/xvmain.c b/Xext/xvmain.c new file mode 100644 index 0000000..12b4c51 --- /dev/null +++ b/Xext/xvmain.c @@ -0,0 +1,1185 @@ +/*********************************************************** +Copyright 1991 by Digital Equipment Corporation, Maynard, Massachusetts, +and the Massachusetts Institute of Technology, Cambridge, Massachusetts. + + All Rights Reserved + +Permission to use, copy, modify, and distribute this software and its +documentation for any purpose and without fee is hereby granted, +provided that the above copyright notice appear in all copies and that +both that copyright notice and this permission notice appear in +supporting documentation, and that the names of Digital or MIT not be +used in advertising or publicity pertaining to distribution of the +software without specific, written prior permission. + +DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING +ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL +DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR +ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, +WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, +ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS +SOFTWARE. + +******************************************************************/ + +/* +** File: +** +** xvmain.c --- Xv server extension main device independent module. +** +** Author: +** +** David Carver (Digital Workstation Engineering/Project Athena) +** +** Revisions: +** +** 04.09.91 Carver +** - change: stop video always generates an event even when video +** wasn't active +** +** 29.08.91 Carver +** - change: unrealizing windows no longer preempts video +** +** 11.06.91 Carver +** - changed SetPortControl to SetPortAttribute +** - changed GetPortControl to GetPortAttribute +** - changed QueryBestSize +** +** 28.05.91 Carver +** - fixed Put and Get requests to not preempt operations to same drawable +** +** 15.05.91 Carver +** - version 2.0 upgrade +** +** 19.03.91 Carver +** - fixed Put and Get requests to honor grabbed ports. +** - fixed Video requests to update di structure with new drawable, and +** client after calling ddx. +** +** 24.01.91 Carver +** - version 1.4 upgrade +** +** Notes: +** +** Port structures reference client structures in a two different +** ways: when grabs, or video is active. Each reference is encoded +** as fake client resources and thus when the client is goes away so +** does the reference (it is zeroed). No other action is taken, so +** video doesn't necessarily stop. It probably will as a result of +** other resources going away, but if a client starts video using +** none of its own resources, then the video will continue to play +** after the client disappears. +** +** +*/ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include <string.h> + +#include <X11/X.h> +#include <X11/Xproto.h> +#include "misc.h" +#include "os.h" +#include "scrnintstr.h" +#include "windowstr.h" +#include "pixmapstr.h" +#include "gc.h" +#include "extnsionst.h" +#include "dixstruct.h" +#include "resource.h" +#include "opaque.h" +#include "input.h" + +#define GLOBAL + +#include <X11/extensions/Xv.h> +#include <X11/extensions/Xvproto.h> +#include "xvdix.h" + +#ifdef PANORAMIX +#include "panoramiX.h" +#include "panoramiXsrv.h" +#endif +#include "xvdisp.h" + +static DevPrivateKeyRec XvScreenKeyRec; +#define XvScreenKey (&XvScreenKeyRec) +unsigned long XvExtensionGeneration = 0; +unsigned long XvScreenGeneration = 0; +unsigned long XvResourceGeneration = 0; + +int XvReqCode; +int XvEventBase; +int XvErrorBase; + +unsigned long XvRTPort; +unsigned long XvRTEncoding; +unsigned long XvRTGrab; +unsigned long XvRTVideoNotify; +unsigned long XvRTVideoNotifyList; +unsigned long XvRTPortNotify; + + + +/* EXTERNAL */ + +static void WriteSwappedVideoNotifyEvent(xvEvent *, xvEvent *); +static void WriteSwappedPortNotifyEvent(xvEvent *, xvEvent *); +static Bool CreateResourceTypes(void); + +static Bool XvCloseScreen(int, ScreenPtr); +static Bool XvDestroyPixmap(PixmapPtr); +static Bool XvDestroyWindow(WindowPtr); +static void XvResetProc(ExtensionEntry*); +static int XvdiDestroyGrab(pointer, XID); +static int XvdiDestroyEncoding(pointer, XID); +static int XvdiDestroyVideoNotify(pointer, XID); +static int XvdiDestroyPortNotify(pointer, XID); +static int XvdiDestroyVideoNotifyList(pointer, XID); +static int XvdiDestroyPort(pointer, XID); +static int XvdiSendVideoNotify(XvPortPtr, DrawablePtr, int); + + + + +/* +** XvExtensionInit +** +** +*/ + +void +XvExtensionInit(void) +{ + ExtensionEntry *extEntry; + + if (!dixRegisterPrivateKey(&XvScreenKeyRec, PRIVATE_SCREEN, 0)) + return; + + /* LOOK TO SEE IF ANY SCREENS WERE INITIALIZED; IF NOT THEN + INIT GLOBAL VARIABLES SO THE EXTENSION CAN FUNCTION */ + if (XvScreenGeneration != serverGeneration) + { + if (!CreateResourceTypes()) + { + ErrorF("XvExtensionInit: Unable to allocate resource types\n"); + return; + } +#ifdef PANORAMIX + XineramaRegisterConnectionBlockCallback(XineramifyXv); +#endif + XvScreenGeneration = serverGeneration; + } + + if (XvExtensionGeneration != serverGeneration) + { + XvExtensionGeneration = serverGeneration; + + extEntry = AddExtension(XvName, XvNumEvents, XvNumErrors, + ProcXvDispatch, SProcXvDispatch, + XvResetProc, StandardMinorOpcode); + if (!extEntry) + { + FatalError("XvExtensionInit: AddExtensions failed\n"); + } + + XvReqCode = extEntry->base; + XvEventBase = extEntry->eventBase; + XvErrorBase = extEntry->errorBase; + + EventSwapVector[XvEventBase+XvVideoNotify] = + (EventSwapPtr)WriteSwappedVideoNotifyEvent; + EventSwapVector[XvEventBase+XvPortNotify] = + (EventSwapPtr)WriteSwappedPortNotifyEvent; + + SetResourceTypeErrorValue(XvRTPort, _XvBadPort); + (void)MakeAtom(XvName, strlen(XvName), xTrue); + + } +} + +static Bool +CreateResourceTypes(void) + +{ + + if (XvResourceGeneration == serverGeneration) return TRUE; + + XvResourceGeneration = serverGeneration; + + if (!(XvRTPort = CreateNewResourceType(XvdiDestroyPort, "XvRTPort"))) + { + ErrorF("CreateResourceTypes: failed to allocate port resource.\n"); + return FALSE; + } + + if (!(XvRTGrab = CreateNewResourceType(XvdiDestroyGrab, "XvRTGrab"))) + { + ErrorF("CreateResourceTypes: failed to allocate grab resource.\n"); + return FALSE; + } + + if (!(XvRTEncoding = CreateNewResourceType(XvdiDestroyEncoding, + "XvRTEncoding"))) + { + ErrorF("CreateResourceTypes: failed to allocate encoding resource.\n"); + return FALSE; + } + + if (!(XvRTVideoNotify = CreateNewResourceType(XvdiDestroyVideoNotify, + "XvRTVideoNotify"))) + { + ErrorF("CreateResourceTypes: failed to allocate video notify resource.\n"); + return FALSE; + } + + if (!(XvRTVideoNotifyList = CreateNewResourceType(XvdiDestroyVideoNotifyList, + "XvRTVideoNotifyList"))) + { + ErrorF("CreateResourceTypes: failed to allocate video notify list resource.\n"); + return FALSE; + } + + if (!(XvRTPortNotify = CreateNewResourceType(XvdiDestroyPortNotify, + "XvRTPortNotify"))) + { + ErrorF("CreateResourceTypes: failed to allocate port notify resource.\n"); + return FALSE; + } + + return TRUE; + +} + +int +XvScreenInit(ScreenPtr pScreen) +{ + XvScreenPtr pxvs; + + if (XvScreenGeneration != serverGeneration) + { + if (!CreateResourceTypes()) + { + ErrorF("XvScreenInit: Unable to allocate resource types\n"); + return BadAlloc; + } +#ifdef PANORAMIX + XineramaRegisterConnectionBlockCallback(XineramifyXv); +#endif + XvScreenGeneration = serverGeneration; + } + + if (!dixRegisterPrivateKey(&XvScreenKeyRec, PRIVATE_SCREEN, 0)) + return BadAlloc; + + if (dixLookupPrivate(&pScreen->devPrivates, XvScreenKey)) + { + ErrorF("XvScreenInit: screen devPrivates ptr non-NULL before init\n"); + } + + /* ALLOCATE SCREEN PRIVATE RECORD */ + + pxvs = malloc(sizeof (XvScreenRec)); + if (!pxvs) + { + ErrorF("XvScreenInit: Unable to allocate screen private structure\n"); + return BadAlloc; + } + + dixSetPrivate(&pScreen->devPrivates, XvScreenKey, pxvs); + + pxvs->DestroyPixmap = pScreen->DestroyPixmap; + pxvs->DestroyWindow = pScreen->DestroyWindow; + pxvs->CloseScreen = pScreen->CloseScreen; + + pScreen->DestroyPixmap = XvDestroyPixmap; + pScreen->DestroyWindow = XvDestroyWindow; + pScreen->CloseScreen = XvCloseScreen; + + return Success; +} + +static Bool +XvCloseScreen( + int ii, + ScreenPtr pScreen +){ + + XvScreenPtr pxvs; + + pxvs = (XvScreenPtr)dixLookupPrivate(&pScreen->devPrivates, XvScreenKey); + + pScreen->DestroyPixmap = pxvs->DestroyPixmap; + pScreen->DestroyWindow = pxvs->DestroyWindow; + pScreen->CloseScreen = pxvs->CloseScreen; + + (* pxvs->ddCloseScreen)(ii, pScreen); + + free(pxvs); + + dixSetPrivate(&pScreen->devPrivates, XvScreenKey, NULL); + + return (*pScreen->CloseScreen)(ii, pScreen); +} + +static void +XvResetProc(ExtensionEntry* extEntry) +{ + XvResetProcVector(); +} + +DevPrivateKey +XvGetScreenKey(void) +{ + return XvScreenKey; +} + +unsigned long +XvGetRTPort(void) +{ + return XvRTPort; +} + +static Bool +XvDestroyPixmap(PixmapPtr pPix) +{ + Bool status; + ScreenPtr pScreen; + XvScreenPtr pxvs; + XvAdaptorPtr pa; + int na; + XvPortPtr pp; + int np; + + pScreen = pPix->drawable.pScreen; + + SCREEN_PROLOGUE(pScreen, DestroyPixmap); + + pxvs = (XvScreenPtr)dixLookupPrivate(&pScreen->devPrivates, XvScreenKey); + + /* CHECK TO SEE IF THIS PORT IS IN USE */ + + pa = pxvs->pAdaptors; + na = pxvs->nAdaptors; + while (na--) + { + np = pa->nPorts; + pp = pa->pPorts; + + while (np--) + { + if (pp->pDraw == (DrawablePtr)pPix) + { + XvdiSendVideoNotify(pp, pp->pDraw, XvPreempted); + + (void)(* pp->pAdaptor->ddStopVideo)(NULL, pp, pp->pDraw); + + pp->pDraw = NULL; + pp->client = NULL; + pp->time = currentTime; + } + pp++; + } + pa++; + } + + status = (* pScreen->DestroyPixmap)(pPix); + + SCREEN_EPILOGUE(pScreen, DestroyPixmap, XvDestroyPixmap); + + return status; + +} + +static Bool +XvDestroyWindow(WindowPtr pWin) +{ + Bool status; + ScreenPtr pScreen; + XvScreenPtr pxvs; + XvAdaptorPtr pa; + int na; + XvPortPtr pp; + int np; + + pScreen = pWin->drawable.pScreen; + + SCREEN_PROLOGUE(pScreen, DestroyWindow); + + pxvs = (XvScreenPtr)dixLookupPrivate(&pScreen->devPrivates, XvScreenKey); + + /* CHECK TO SEE IF THIS PORT IS IN USE */ + + pa = pxvs->pAdaptors; + na = pxvs->nAdaptors; + while (na--) + { + np = pa->nPorts; + pp = pa->pPorts; + + while (np--) + { + if (pp->pDraw == (DrawablePtr)pWin) + { + XvdiSendVideoNotify(pp, pp->pDraw, XvPreempted); + + (void)(* pp->pAdaptor->ddStopVideo)(NULL, pp, pp->pDraw); + + pp->pDraw = NULL; + pp->client = NULL; + pp->time = currentTime; + } + pp++; + } + pa++; + } + + + status = (* pScreen->DestroyWindow)(pWin); + + SCREEN_EPILOGUE(pScreen, DestroyWindow, XvDestroyWindow); + + return status; + +} + +/* The XvdiVideoStopped procedure is a hook for the device dependent layer. + It provides a way for the dd layer to inform the di layer that video has + stopped in a port for reasons that the di layer had no control over; note + that it doesn't call back into the dd layer */ + +int +XvdiVideoStopped(XvPortPtr pPort, int reason) +{ + + /* IF PORT ISN'T ACTIVE THEN WE'RE DONE */ + + if (!pPort->pDraw) return Success; + + XvdiSendVideoNotify(pPort, pPort->pDraw, reason); + + pPort->pDraw = NULL; + pPort->client = NULL; + pPort->time = currentTime; + + return Success; + +} + +static int +XvdiDestroyPort(pointer pPort, XID id) +{ + return (* ((XvPortPtr)pPort)->pAdaptor->ddFreePort)(pPort); +} + +static int +XvdiDestroyGrab(pointer pGrab, XID id) +{ + ((XvGrabPtr)pGrab)->client = NULL; + return Success; +} + +static int +XvdiDestroyVideoNotify(pointer pn, XID id) +{ + /* JUST CLEAR OUT THE client POINTER FIELD */ + + ((XvVideoNotifyPtr)pn)->client = NULL; + return Success; +} + +static int +XvdiDestroyPortNotify(pointer pn, XID id) +{ + /* JUST CLEAR OUT THE client POINTER FIELD */ + + ((XvPortNotifyPtr)pn)->client = NULL; + return Success; +} + +static int +XvdiDestroyVideoNotifyList(pointer pn, XID id) +{ + XvVideoNotifyPtr npn,cpn; + + /* ACTUALLY DESTROY THE NOTITY LIST */ + + cpn = (XvVideoNotifyPtr)pn; + + while (cpn) + { + npn = cpn->next; + if (cpn->client) FreeResource(cpn->id, XvRTVideoNotify); + free(cpn); + cpn = npn; + } + return Success; +} + +static int +XvdiDestroyEncoding(pointer value, XID id) +{ + return Success; +} + +static int +XvdiSendVideoNotify(XvPortPtr pPort, DrawablePtr pDraw, int reason) +{ + xvEvent event; + XvVideoNotifyPtr pn; + + dixLookupResourceByType((pointer *)&pn, pDraw->id, XvRTVideoNotifyList, + serverClient, DixReadAccess); + + while (pn) + { + event.u.u.type = XvEventBase + XvVideoNotify; + event.u.videoNotify.time = currentTime.milliseconds; + event.u.videoNotify.drawable = pDraw->id; + event.u.videoNotify.port = pPort->id; + event.u.videoNotify.reason = reason; + WriteEventsToClient(pn->client, 1, (xEventPtr)&event); + pn = pn->next; + } + + return Success; + +} + + +int +XvdiSendPortNotify( + XvPortPtr pPort, + Atom attribute, + INT32 value +){ + xvEvent event; + XvPortNotifyPtr pn; + + pn = pPort->pNotify; + + while (pn) + { + event.u.u.type = XvEventBase + XvPortNotify; + event.u.portNotify.time = currentTime.milliseconds; + event.u.portNotify.port = pPort->id; + event.u.portNotify.attribute = attribute; + event.u.portNotify.value = value; + WriteEventsToClient(pn->client, 1, (xEventPtr)&event); + pn = pn->next; + } + + return Success; + +} + + +#define CHECK_SIZE(dw, dh, sw, sh) { \ + if(!dw || !dh || !sw || !sh) return Success; \ + /* The region code will break these if they are too large */ \ + if((dw > 32767) || (dh > 32767) || (sw > 32767) || (sh > 32767)) \ + return BadValue; \ +} + + +int +XvdiPutVideo( + ClientPtr client, + DrawablePtr pDraw, + XvPortPtr pPort, + GCPtr pGC, + INT16 vid_x, INT16 vid_y, + CARD16 vid_w, CARD16 vid_h, + INT16 drw_x, INT16 drw_y, + CARD16 drw_w, CARD16 drw_h +){ + DrawablePtr pOldDraw; + + CHECK_SIZE(drw_w, drw_h, vid_w, vid_h); + + /* UPDATE TIME VARIABLES FOR USE IN EVENTS */ + + UpdateCurrentTime(); + + /* CHECK FOR GRAB; IF THIS CLIENT DOESN'T HAVE THE PORT GRABBED THEN + INFORM CLIENT OF ITS FAILURE */ + + if (pPort->grab.client && (pPort->grab.client != client)) + { + XvdiSendVideoNotify(pPort, pDraw, XvBusy); + return Success; + } + + /* CHECK TO SEE IF PORT IS IN USE; IF SO THEN WE MUST DELIVER INTERRUPTED + EVENTS TO ANY CLIENTS WHO WANT THEM */ + + pOldDraw = pPort->pDraw; + if ((pOldDraw) && (pOldDraw != pDraw)) + { + XvdiSendVideoNotify(pPort, pPort->pDraw, XvPreempted); + } + + (void) (* pPort->pAdaptor->ddPutVideo)(client, pDraw, pPort, pGC, + vid_x, vid_y, vid_w, vid_h, + drw_x, drw_y, drw_w, drw_h); + + if ((pPort->pDraw) && (pOldDraw != pDraw)) + { + pPort->client = client; + XvdiSendVideoNotify(pPort, pPort->pDraw, XvStarted); + } + + pPort->time = currentTime; + + return Success; + +} + +int +XvdiPutStill( + ClientPtr client, + DrawablePtr pDraw, + XvPortPtr pPort, + GCPtr pGC, + INT16 vid_x, INT16 vid_y, + CARD16 vid_w, CARD16 vid_h, + INT16 drw_x, INT16 drw_y, + CARD16 drw_w, CARD16 drw_h +){ + int status; + + CHECK_SIZE(drw_w, drw_h, vid_w, vid_h); + + /* UPDATE TIME VARIABLES FOR USE IN EVENTS */ + + UpdateCurrentTime(); + + /* CHECK FOR GRAB; IF THIS CLIENT DOESN'T HAVE THE PORT GRABBED THEN + INFORM CLIENT OF ITS FAILURE */ + + if (pPort->grab.client && (pPort->grab.client != client)) + { + XvdiSendVideoNotify(pPort, pDraw, XvBusy); + return Success; + } + + pPort->time = currentTime; + + status = (* pPort->pAdaptor->ddPutStill)(client, pDraw, pPort, pGC, + vid_x, vid_y, vid_w, vid_h, + drw_x, drw_y, drw_w, drw_h); + + return status; + +} + +int +XvdiPutImage( + ClientPtr client, + DrawablePtr pDraw, + XvPortPtr pPort, + GCPtr pGC, + INT16 src_x, INT16 src_y, + CARD16 src_w, CARD16 src_h, + INT16 drw_x, INT16 drw_y, + CARD16 drw_w, CARD16 drw_h, + XvImagePtr image, + unsigned char* data, + Bool sync, + CARD16 width, CARD16 height +){ + CHECK_SIZE(drw_w, drw_h, src_w, src_h); + + /* UPDATE TIME VARIABLES FOR USE IN EVENTS */ + + UpdateCurrentTime(); + + /* CHECK FOR GRAB; IF THIS CLIENT DOESN'T HAVE THE PORT GRABBED THEN + INFORM CLIENT OF ITS FAILURE */ + + if (pPort->grab.client && (pPort->grab.client != client)) + { + XvdiSendVideoNotify(pPort, pDraw, XvBusy); + return Success; + } + + pPort->time = currentTime; + + return (* pPort->pAdaptor->ddPutImage)(client, pDraw, pPort, pGC, + src_x, src_y, src_w, src_h, + drw_x, drw_y, drw_w, drw_h, + image, data, sync, width, height); +} + + +int +XvdiGetVideo( + ClientPtr client, + DrawablePtr pDraw, + XvPortPtr pPort, + GCPtr pGC, + INT16 vid_x, INT16 vid_y, + CARD16 vid_w, CARD16 vid_h, + INT16 drw_x, INT16 drw_y, + CARD16 drw_w, CARD16 drw_h +){ + DrawablePtr pOldDraw; + + CHECK_SIZE(drw_w, drw_h, vid_w, vid_h); + + /* UPDATE TIME VARIABLES FOR USE IN EVENTS */ + + UpdateCurrentTime(); + + /* CHECK FOR GRAB; IF THIS CLIENT DOESN'T HAVE THE PORT GRABBED THEN + INFORM CLIENT OF ITS FAILURE */ + + if (pPort->grab.client && (pPort->grab.client != client)) + { + XvdiSendVideoNotify(pPort, pDraw, XvBusy); + return Success; + } + + /* CHECK TO SEE IF PORT IS IN USE; IF SO THEN WE MUST DELIVER INTERRUPTED + EVENTS TO ANY CLIENTS WHO WANT THEM */ + + pOldDraw = pPort->pDraw; + if ((pOldDraw) && (pOldDraw != pDraw)) + { + XvdiSendVideoNotify(pPort, pPort->pDraw, XvPreempted); + } + + (void) (* pPort->pAdaptor->ddGetVideo)(client, pDraw, pPort, pGC, + vid_x, vid_y, vid_w, vid_h, + drw_x, drw_y, drw_w, drw_h); + + if ((pPort->pDraw) && (pOldDraw != pDraw)) + { + pPort->client = client; + XvdiSendVideoNotify(pPort, pPort->pDraw, XvStarted); + } + + pPort->time = currentTime; + + return Success; + +} + +int +XvdiGetStill( + ClientPtr client, + DrawablePtr pDraw, + XvPortPtr pPort, + GCPtr pGC, + INT16 vid_x, INT16 vid_y, + CARD16 vid_w, CARD16 vid_h, + INT16 drw_x, INT16 drw_y, + CARD16 drw_w, CARD16 drw_h +){ + int status; + + CHECK_SIZE(drw_w, drw_h, vid_w, vid_h); + + /* UPDATE TIME VARIABLES FOR USE IN EVENTS */ + + UpdateCurrentTime(); + + /* CHECK FOR GRAB; IF THIS CLIENT DOESN'T HAVE THE PORT GRABBED THEN + INFORM CLIENT OF ITS FAILURE */ + + if (pPort->grab.client && (pPort->grab.client != client)) + { + XvdiSendVideoNotify(pPort, pDraw, XvBusy); + return Success; + } + + status = (* pPort->pAdaptor->ddGetStill)(client, pDraw, pPort, pGC, + vid_x, vid_y, vid_w, vid_h, + drw_x, drw_y, drw_w, drw_h); + + pPort->time = currentTime; + + return status; + +} + +int +XvdiGrabPort( + ClientPtr client, + XvPortPtr pPort, + Time ctime, + int *p_result +){ + unsigned long id; + TimeStamp time; + + UpdateCurrentTime(); + time = ClientTimeToServerTime(ctime); + + if (pPort->grab.client && (client != pPort->grab.client)) + { + *p_result = XvAlreadyGrabbed; + return Success; + } + + if ((CompareTimeStamps(time, currentTime) == LATER) || + (CompareTimeStamps(time, pPort->time) == EARLIER)) + { + *p_result = XvInvalidTime; + return Success; + } + + if (client == pPort->grab.client) + { + *p_result = Success; + return Success; + } + + id = FakeClientID(client->index); + + if (!AddResource(id, XvRTGrab, &pPort->grab)) + { + return BadAlloc; + } + + /* IF THERE IS ACTIVE VIDEO THEN STOP IT */ + + if ((pPort->pDraw) && (client != pPort->client)) + { + XvdiStopVideo(NULL, pPort, pPort->pDraw); + } + + pPort->grab.client = client; + pPort->grab.id = id; + + pPort->time = currentTime; + + *p_result = Success; + + return Success; + +} + +int +XvdiUngrabPort( + ClientPtr client, + XvPortPtr pPort, + Time ctime +){ + TimeStamp time; + + UpdateCurrentTime(); + time = ClientTimeToServerTime(ctime); + + if ((!pPort->grab.client) || (client != pPort->grab.client)) + { + return Success; + } + + if ((CompareTimeStamps(time, currentTime) == LATER) || + (CompareTimeStamps(time, pPort->time) == EARLIER)) + { + return Success; + } + + /* FREE THE GRAB RESOURCE; AND SET THE GRAB CLIENT TO NULL */ + + FreeResource(pPort->grab.id, XvRTGrab); + pPort->grab.client = NULL; + + pPort->time = currentTime; + + return Success; + +} + + +int +XvdiSelectVideoNotify( + ClientPtr client, + DrawablePtr pDraw, + BOOL onoff +){ + XvVideoNotifyPtr pn,tpn,fpn; + int rc; + + /* FIND VideoNotify LIST */ + + rc = dixLookupResourceByType((pointer *)&pn, pDraw->id, XvRTVideoNotifyList, + client, DixWriteAccess); + if (rc != Success && rc != BadValue) + return rc; + + /* IF ONE DONES'T EXIST AND NO MASK, THEN JUST RETURN */ + + if (!onoff && !pn) return Success; + + /* IF ONE DOESN'T EXIST CREATE IT AND ADD A RESOURCE SO THAT THE LIST + WILL BE DELETED WHEN THE DRAWABLE IS DESTROYED */ + + if (!pn) + { + if (!(tpn = malloc(sizeof(XvVideoNotifyRec)))) + return BadAlloc; + tpn->next = NULL; + if (!AddResource(pDraw->id, XvRTVideoNotifyList, tpn)) + { + free(tpn); + return BadAlloc; + } + } + else + { + /* LOOK TO SEE IF ENTRY ALREADY EXISTS */ + + fpn = NULL; + tpn = pn; + while (tpn) + { + if (tpn->client == client) + { + if (!onoff) tpn->client = NULL; + return Success; + } + if (!tpn->client) fpn = tpn; /* TAKE NOTE OF FREE ENTRY */ + tpn = tpn->next; + } + + /* IF TUNNING OFF, THEN JUST RETURN */ + + if (!onoff) return Success; + + /* IF ONE ISN'T FOUND THEN ALLOCATE ONE AND LINK IT INTO THE LIST */ + + if (fpn) + { + tpn = fpn; + } + else + { + if (!(tpn = malloc(sizeof(XvVideoNotifyRec)))) + return BadAlloc; + tpn->next = pn->next; + pn->next = tpn; + } + } + + /* INIT CLIENT PTR IN CASE WE CAN'T ADD RESOURCE */ + /* ADD RESOURCE SO THAT IF CLIENT EXITS THE CLIENT PTR WILL BE CLEARED */ + + tpn->client = NULL; + tpn->id = FakeClientID(client->index); + AddResource(tpn->id, XvRTVideoNotify, tpn); + + tpn->client = client; + return Success; + +} + +int +XvdiSelectPortNotify( + ClientPtr client, + XvPortPtr pPort, + BOOL onoff +){ + XvPortNotifyPtr pn,tpn; + + /* SEE IF CLIENT IS ALREADY IN LIST */ + + tpn = NULL; + pn = pPort->pNotify; + while (pn) + { + if (!pn->client) tpn = pn; /* TAKE NOTE OF FREE ENTRY */ + if (pn->client == client) break; + pn = pn->next; + } + + /* IS THE CLIENT ALREADY ON THE LIST? */ + + if (pn) + { + /* REMOVE IT? */ + + if (!onoff) + { + pn->client = NULL; + FreeResource(pn->id, XvRTPortNotify); + } + + return Success; + } + + /* DIDN'T FIND IT; SO REUSE LIST ELEMENT IF ONE IS FREE OTHERWISE + CREATE A NEW ONE AND ADD IT TO THE BEGINNING OF THE LIST */ + + if (!tpn) + { + if (!(tpn = malloc(sizeof(XvPortNotifyRec)))) + return BadAlloc; + tpn->next = pPort->pNotify; + pPort->pNotify = tpn; + } + + tpn->client = client; + tpn->id = FakeClientID(client->index); + AddResource(tpn->id, XvRTPortNotify, tpn); + + return Success; + +} + +int +XvdiStopVideo( + ClientPtr client, + XvPortPtr pPort, + DrawablePtr pDraw +){ + int status; + + /* IF PORT ISN'T ACTIVE THEN WE'RE DONE */ + + if (!pPort->pDraw || (pPort->pDraw != pDraw)) + { + XvdiSendVideoNotify(pPort, pDraw, XvStopped); + return Success; + } + + /* CHECK FOR GRAB; IF THIS CLIENT DOESN'T HAVE THE PORT GRABBED THEN + INFORM CLIENT OF ITS FAILURE */ + + if ((client) && (pPort->grab.client) && (pPort->grab.client != client)) + { + XvdiSendVideoNotify(pPort, pDraw, XvBusy); + return Success; + } + + XvdiSendVideoNotify(pPort, pDraw, XvStopped); + + status = (* pPort->pAdaptor->ddStopVideo)(client, pPort, pDraw); + + pPort->pDraw = NULL; + pPort->client = (ClientPtr)client; + pPort->time = currentTime; + + return status; + +} + +int +XvdiPreemptVideo( + ClientPtr client, + XvPortPtr pPort, + DrawablePtr pDraw +){ + int status; + + /* IF PORT ISN'T ACTIVE THEN WE'RE DONE */ + + if (!pPort->pDraw || (pPort->pDraw != pDraw)) return Success; + + XvdiSendVideoNotify(pPort, pPort->pDraw, XvPreempted); + + status = (* pPort->pAdaptor->ddStopVideo)(client, pPort, pPort->pDraw); + + pPort->pDraw = NULL; + pPort->client = (ClientPtr)client; + pPort->time = currentTime; + + return status; + +} + +int +XvdiMatchPort( + XvPortPtr pPort, + DrawablePtr pDraw +){ + + XvAdaptorPtr pa; + XvFormatPtr pf; + int nf; + + pa = pPort->pAdaptor; + + if (pa->pScreen != pDraw->pScreen) return BadMatch; + + nf = pa->nFormats; + pf = pa->pFormats; + + while (nf--) + { + if ((pf->depth == pDraw->depth) +#if 0 + && ((pDraw->type == DRAWABLE_PIXMAP) || + (wVisual(((WindowPtr)pDraw)) == pf->visual)) +#endif + ) + return Success; + pf++; + } + + return BadMatch; + +} + +int +XvdiSetPortAttribute( + ClientPtr client, + XvPortPtr pPort, + Atom attribute, + INT32 value +){ + int status; + + status = (* pPort->pAdaptor->ddSetPortAttribute)(client, pPort, attribute, value); + if (status == Success) + XvdiSendPortNotify(pPort, attribute, value); + + return status; +} + +int +XvdiGetPortAttribute( + ClientPtr client, + XvPortPtr pPort, + Atom attribute, + INT32 *p_value +){ + + return + (* pPort->pAdaptor->ddGetPortAttribute)(client, pPort, attribute, p_value); + +} + +static void +WriteSwappedVideoNotifyEvent(xvEvent *from, xvEvent *to) + +{ + + to->u.u.type = from->u.u.type; + to->u.u.detail = from->u.u.detail; + cpswaps(from->u.videoNotify.sequenceNumber, + to->u.videoNotify.sequenceNumber); + cpswapl(from->u.videoNotify.time, to->u.videoNotify.time); + cpswapl(from->u.videoNotify.drawable, to->u.videoNotify.drawable); + cpswapl(from->u.videoNotify.port, to->u.videoNotify.port); + +} + +static void +WriteSwappedPortNotifyEvent(xvEvent *from, xvEvent *to) + +{ + + to->u.u.type = from->u.u.type; + to->u.u.detail = from->u.u.detail; + cpswaps(from->u.portNotify.sequenceNumber, to->u.portNotify.sequenceNumber); + cpswapl(from->u.portNotify.time, to->u.portNotify.time); + cpswapl(from->u.portNotify.port, to->u.portNotify.port); + cpswapl(from->u.portNotify.value, to->u.portNotify.value); + +} diff --git a/Xext/xvmc.c b/Xext/xvmc.c new file mode 100644 index 0000000..8fbdfae --- /dev/null +++ b/Xext/xvmc.c @@ -0,0 +1,789 @@ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include <string.h> + +#include <X11/X.h> +#include <X11/Xproto.h> +#include "misc.h" +#include "os.h" +#include "dixstruct.h" +#include "resource.h" +#include "scrnintstr.h" +#include "extnsionst.h" +#include "servermd.h" +#include <X11/Xfuncproto.h> +#include "xvdix.h" +#include <X11/extensions/XvMC.h> +#include <X11/extensions/Xvproto.h> +#include <X11/extensions/XvMCproto.h> +#include "xvmcext.h" +#include "protocol-versions.h" + +#ifdef HAS_XVMCSHM +#include <sys/ipc.h> +#include <sys/types.h> +#include <sys/shm.h> +#endif /* HAS_XVMCSHM */ + + + +#define DR_CLIENT_DRIVER_NAME_SIZE 48 +#define DR_BUSID_SIZE 48 + +static DevPrivateKeyRec XvMCScreenKeyRec; +#define XvMCScreenKey (&XvMCScreenKeyRec) +static Bool XvMCInUse; + +unsigned long XvMCGeneration = 0; + +int XvMCReqCode; +int XvMCEventBase; + +unsigned long XvMCRTContext; +unsigned long XvMCRTSurface; +unsigned long XvMCRTSubpicture; + +typedef struct { + int num_adaptors; + XvMCAdaptorPtr adaptors; + CloseScreenProcPtr CloseScreen; + char clientDriverName[DR_CLIENT_DRIVER_NAME_SIZE]; + char busID[DR_BUSID_SIZE]; + int major; + int minor; + int patchLevel; +} XvMCScreenRec, *XvMCScreenPtr; + +#define XVMC_GET_PRIVATE(pScreen) \ + (XvMCScreenPtr)(dixLookupPrivate(&(pScreen)->devPrivates, XvMCScreenKey)) + + +static int +XvMCDestroyContextRes(pointer data, XID id) +{ + XvMCContextPtr pContext = (XvMCContextPtr)data; + + pContext->refcnt--; + + if(!pContext->refcnt) { + XvMCScreenPtr pScreenPriv = XVMC_GET_PRIVATE(pContext->pScreen); + (*pScreenPriv->adaptors[pContext->adapt_num].DestroyContext)(pContext); + free(pContext); + } + + return Success; +} + +static int +XvMCDestroySurfaceRes(pointer data, XID id) +{ + XvMCSurfacePtr pSurface = (XvMCSurfacePtr)data; + XvMCContextPtr pContext = pSurface->context; + XvMCScreenPtr pScreenPriv = XVMC_GET_PRIVATE(pContext->pScreen); + + (*pScreenPriv->adaptors[pContext->adapt_num].DestroySurface)(pSurface); + free(pSurface); + + XvMCDestroyContextRes((pointer)pContext, pContext->context_id); + + return Success; +} + + +static int +XvMCDestroySubpictureRes(pointer data, XID id) +{ + XvMCSubpicturePtr pSubpict = (XvMCSubpicturePtr)data; + XvMCContextPtr pContext = pSubpict->context; + XvMCScreenPtr pScreenPriv = XVMC_GET_PRIVATE(pContext->pScreen); + + (*pScreenPriv->adaptors[pContext->adapt_num].DestroySubpicture)(pSubpict); + free(pSubpict); + + XvMCDestroyContextRes((pointer)pContext, pContext->context_id); + + return Success; +} + +static int +ProcXvMCQueryVersion(ClientPtr client) +{ + xvmcQueryVersionReply rep; + /* REQUEST(xvmcQueryVersionReq); */ + REQUEST_SIZE_MATCH(xvmcQueryVersionReq); + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.length = 0; + rep.major = SERVER_XVMC_MAJOR_VERSION; + rep.minor = SERVER_XVMC_MINOR_VERSION; + WriteToClient(client, sizeof(xvmcQueryVersionReply), (char*)&rep); + return Success; +} + + +static int +ProcXvMCListSurfaceTypes(ClientPtr client) +{ + XvPortPtr pPort; + int i; + XvMCScreenPtr pScreenPriv; + xvmcListSurfaceTypesReply rep; + xvmcSurfaceInfo info; + XvMCAdaptorPtr adaptor = NULL; + XvMCSurfaceInfoPtr surface; + REQUEST(xvmcListSurfaceTypesReq); + REQUEST_SIZE_MATCH(xvmcListSurfaceTypesReq); + + VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); + + if(XvMCInUse) { /* any adaptors at all */ + ScreenPtr pScreen = pPort->pAdaptor->pScreen; + if((pScreenPriv = XVMC_GET_PRIVATE(pScreen))) { /* any this screen */ + for(i = 0; i < pScreenPriv->num_adaptors; i++) { + if(pPort->pAdaptor == pScreenPriv->adaptors[i].xv_adaptor) { + adaptor = &(pScreenPriv->adaptors[i]); + break; + } + } + } + } + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.num = (adaptor) ? adaptor->num_surfaces : 0; + rep.length = bytes_to_int32(rep.num * sizeof(xvmcSurfaceInfo)); + + WriteToClient(client, sizeof(xvmcListSurfaceTypesReply), (char*)&rep); + + for(i = 0; i < rep.num; i++) { + surface = adaptor->surfaces[i]; + info.surface_type_id = surface->surface_type_id; + info.chroma_format = surface->chroma_format; + info.max_width = surface->max_width; + info.max_height = surface->max_height; + info.subpicture_max_width = surface->subpicture_max_width; + info.subpicture_max_height = surface->subpicture_max_height; + info.mc_type = surface->mc_type; + info.flags = surface->flags; + WriteToClient(client, sizeof(xvmcSurfaceInfo), (char*)&info); + } + + return Success; +} + +static int +ProcXvMCCreateContext(ClientPtr client) +{ + XvPortPtr pPort; + CARD32 *data = NULL; + int dwords = 0; + int i, result, adapt_num = -1; + ScreenPtr pScreen; + XvMCContextPtr pContext; + XvMCScreenPtr pScreenPriv; + XvMCAdaptorPtr adaptor = NULL; + XvMCSurfaceInfoPtr surface = NULL; + xvmcCreateContextReply rep; + REQUEST(xvmcCreateContextReq); + REQUEST_SIZE_MATCH(xvmcCreateContextReq); + + VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); + + pScreen = pPort->pAdaptor->pScreen; + + if(!XvMCInUse) /* no XvMC adaptors */ + return BadMatch; + + if(!(pScreenPriv = XVMC_GET_PRIVATE(pScreen))) /* none this screen */ + return BadMatch; + + for(i = 0; i < pScreenPriv->num_adaptors; i++) { + if(pPort->pAdaptor == pScreenPriv->adaptors[i].xv_adaptor) { + adaptor = &(pScreenPriv->adaptors[i]); + adapt_num = i; + break; + } + } + + if(adapt_num < 0) /* none this port */ + return BadMatch; + + for(i = 0; i < adaptor->num_surfaces; i++) { + if(adaptor->surfaces[i]->surface_type_id == stuff->surface_type_id) { + surface = adaptor->surfaces[i]; + break; + } + } + + /* adaptor doesn't support this suface_type_id */ + if(!surface) return BadMatch; + + + if((stuff->width > surface->max_width) || + (stuff->height > surface->max_height)) + return BadValue; + + if(!(pContext = malloc(sizeof(XvMCContextRec)))) { + return BadAlloc; + } + + + pContext->pScreen = pScreen; + pContext->adapt_num = adapt_num; + pContext->context_id = stuff->context_id; + pContext->surface_type_id = stuff->surface_type_id; + pContext->width = stuff->width; + pContext->height = stuff->height; + pContext->flags = stuff->flags; + pContext->refcnt = 1; + + result = (*adaptor->CreateContext)(pPort, pContext, &dwords, &data); + + if(result != Success) { + free(pContext); + return result; + } + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.width_actual = pContext->width; + rep.height_actual = pContext->height; + rep.flags_return = pContext->flags; + rep.length = dwords; + + WriteToClient(client, sizeof(xvmcCreateContextReply), (char*)&rep); + if(dwords) + WriteToClient(client, dwords << 2, (char*)data); + AddResource(pContext->context_id, XvMCRTContext, pContext); + + free(data); + + return Success; +} + +static int +ProcXvMCDestroyContext(ClientPtr client) +{ + pointer val; + int rc; + REQUEST(xvmcDestroyContextReq); + REQUEST_SIZE_MATCH(xvmcDestroyContextReq); + + rc = dixLookupResourceByType(&val, stuff->context_id, XvMCRTContext, + client, DixDestroyAccess); + if (rc != Success) + return rc; + + FreeResource(stuff->context_id, RT_NONE); + + return Success; +} + +static int +ProcXvMCCreateSurface(ClientPtr client) +{ + CARD32 *data = NULL; + int dwords = 0; + int result; + XvMCContextPtr pContext; + XvMCSurfacePtr pSurface; + XvMCScreenPtr pScreenPriv; + xvmcCreateSurfaceReply rep; + REQUEST(xvmcCreateSurfaceReq); + REQUEST_SIZE_MATCH(xvmcCreateSurfaceReq); + + result = dixLookupResourceByType((pointer *)&pContext, stuff->context_id, + XvMCRTContext, client, DixUseAccess); + if (result != Success) + return result; + + pScreenPriv = XVMC_GET_PRIVATE(pContext->pScreen); + + if(!(pSurface = malloc(sizeof(XvMCSurfaceRec)))) + return BadAlloc; + + pSurface->surface_id = stuff->surface_id; + pSurface->surface_type_id = pContext->surface_type_id; + pSurface->context = pContext; + + result = (*pScreenPriv->adaptors[pContext->adapt_num].CreateSurface)( + pSurface, &dwords, &data); + + if(result != Success) { + free(pSurface); + return result; + } + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.length = dwords; + + WriteToClient(client, sizeof(xvmcCreateSurfaceReply), (char*)&rep); + if(dwords) + WriteToClient(client, dwords << 2, (char*)data); + AddResource(pSurface->surface_id, XvMCRTSurface, pSurface); + + free(data); + + pContext->refcnt++; + + return Success; +} + +static int +ProcXvMCDestroySurface(ClientPtr client) +{ + pointer val; + int rc; + REQUEST(xvmcDestroySurfaceReq); + REQUEST_SIZE_MATCH(xvmcDestroySurfaceReq); + + rc = dixLookupResourceByType(&val, stuff->surface_id, XvMCRTSurface, + client, DixDestroyAccess); + if (rc != Success) + return rc; + + FreeResource(stuff->surface_id, RT_NONE); + + return Success; +} + +static int +ProcXvMCCreateSubpicture(ClientPtr client) +{ + Bool image_supported = FALSE; + CARD32 *data = NULL; + int i, result, dwords = 0; + XvMCContextPtr pContext; + XvMCSubpicturePtr pSubpicture; + XvMCScreenPtr pScreenPriv; + xvmcCreateSubpictureReply rep; + XvMCAdaptorPtr adaptor; + XvMCSurfaceInfoPtr surface = NULL; + REQUEST(xvmcCreateSubpictureReq); + REQUEST_SIZE_MATCH(xvmcCreateSubpictureReq); + + result = dixLookupResourceByType((pointer *)&pContext, stuff->context_id, + XvMCRTContext, client, DixUseAccess); + if (result != Success) + return result; + + pScreenPriv = XVMC_GET_PRIVATE(pContext->pScreen); + + adaptor = &(pScreenPriv->adaptors[pContext->adapt_num]); + + /* find which surface this context supports */ + for(i = 0; i < adaptor->num_surfaces; i++) { + if(adaptor->surfaces[i]->surface_type_id == pContext->surface_type_id){ + surface = adaptor->surfaces[i]; + break; + } + } + + if(!surface) return BadMatch; + + /* make sure this surface supports that xvimage format */ + if(!surface->compatible_subpictures) return BadMatch; + + for(i = 0; i < surface->compatible_subpictures->num_xvimages; i++) { + if(surface->compatible_subpictures->xvimage_ids[i] == stuff->xvimage_id) { + image_supported = TRUE; + break; + } + } + + if(!image_supported) return BadMatch; + + /* make sure the size is OK */ + if((stuff->width > surface->subpicture_max_width) || + (stuff->height > surface->subpicture_max_height)) + return BadValue; + + if(!(pSubpicture = malloc(sizeof(XvMCSubpictureRec)))) + return BadAlloc; + + pSubpicture->subpicture_id = stuff->subpicture_id; + pSubpicture->xvimage_id = stuff->xvimage_id; + pSubpicture->width = stuff->width; + pSubpicture->height = stuff->height; + pSubpicture->num_palette_entries = 0; /* overwritten by DDX */ + pSubpicture->entry_bytes = 0; /* overwritten by DDX */ + pSubpicture->component_order[0] = 0; /* overwritten by DDX */ + pSubpicture->component_order[1] = 0; + pSubpicture->component_order[2] = 0; + pSubpicture->component_order[3] = 0; + pSubpicture->context = pContext; + + result = (*pScreenPriv->adaptors[pContext->adapt_num].CreateSubpicture)( + pSubpicture, &dwords, &data); + + if(result != Success) { + free(pSubpicture); + return result; + } + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.width_actual = pSubpicture->width; + rep.height_actual = pSubpicture->height; + rep.num_palette_entries = pSubpicture->num_palette_entries; + rep.entry_bytes = pSubpicture->entry_bytes; + rep.component_order[0] = pSubpicture->component_order[0]; + rep.component_order[1] = pSubpicture->component_order[1]; + rep.component_order[2] = pSubpicture->component_order[2]; + rep.component_order[3] = pSubpicture->component_order[3]; + rep.length = dwords; + + WriteToClient(client, sizeof(xvmcCreateSubpictureReply), (char*)&rep); + if(dwords) + WriteToClient(client, dwords << 2, (char*)data); + AddResource(pSubpicture->subpicture_id, XvMCRTSubpicture, pSubpicture); + + free(data); + + pContext->refcnt++; + + return Success; +} + +static int +ProcXvMCDestroySubpicture(ClientPtr client) +{ + pointer val; + int rc; + REQUEST(xvmcDestroySubpictureReq); + REQUEST_SIZE_MATCH(xvmcDestroySubpictureReq); + + rc = dixLookupResourceByType(&val, stuff->subpicture_id, XvMCRTSubpicture, + client, DixDestroyAccess); + if (rc != Success) + return rc; + + FreeResource(stuff->subpicture_id, RT_NONE); + + return Success; +} + + +static int +ProcXvMCListSubpictureTypes(ClientPtr client) +{ + XvPortPtr pPort; + xvmcListSubpictureTypesReply rep; + XvMCScreenPtr pScreenPriv; + ScreenPtr pScreen; + XvMCAdaptorPtr adaptor = NULL; + XvMCSurfaceInfoPtr surface = NULL; + xvImageFormatInfo info; + XvImagePtr pImage; + int i, j; + REQUEST(xvmcListSubpictureTypesReq); + REQUEST_SIZE_MATCH(xvmcListSubpictureTypesReq); + + VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); + + pScreen = pPort->pAdaptor->pScreen; + + if(XvMCScreenKey == NULL) /* No XvMC adaptors */ + return BadMatch; + + if(!(pScreenPriv = XVMC_GET_PRIVATE(pScreen))) + return BadMatch; /* None this screen */ + + for(i = 0; i < pScreenPriv->num_adaptors; i++) { + if(pPort->pAdaptor == pScreenPriv->adaptors[i].xv_adaptor) { + adaptor = &(pScreenPriv->adaptors[i]); + break; + } + } + + if(!adaptor) return BadMatch; + + for(i = 0; i < adaptor->num_surfaces; i++) { + if(adaptor->surfaces[i]->surface_type_id == stuff->surface_type_id) { + surface = adaptor->surfaces[i]; + break; + } + } + + if(!surface) return BadMatch; + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.num = 0; + if(surface->compatible_subpictures) + rep.num = surface->compatible_subpictures->num_xvimages; + + rep.length = bytes_to_int32(rep.num * sizeof(xvImageFormatInfo)); + + WriteToClient(client, sizeof(xvmcListSubpictureTypesReply), (char*)&rep); + + for(i = 0; i < rep.num; i++) { + pImage = NULL; + for(j = 0; j < adaptor->num_subpictures; j++) { + if(surface->compatible_subpictures->xvimage_ids[i] == + adaptor->subpictures[j]->id) + { + pImage = adaptor->subpictures[j]; + break; + } + } + if(!pImage) return BadImplementation; + + info.id = pImage->id; + info.type = pImage->type; + info.byte_order = pImage->byte_order; + memcpy(&info.guid, pImage->guid, 16); + info.bpp = pImage->bits_per_pixel; + info.num_planes = pImage->num_planes; + info.depth = pImage->depth; + info.red_mask = pImage->red_mask; + info.green_mask = pImage->green_mask; + info.blue_mask = pImage->blue_mask; + info.format = pImage->format; + info.y_sample_bits = pImage->y_sample_bits; + info.u_sample_bits = pImage->u_sample_bits; + info.v_sample_bits = pImage->v_sample_bits; + info.horz_y_period = pImage->horz_y_period; + info.horz_u_period = pImage->horz_u_period; + info.horz_v_period = pImage->horz_v_period; + info.vert_y_period = pImage->vert_y_period; + info.vert_u_period = pImage->vert_u_period; + info.vert_v_period = pImage->vert_v_period; + memcpy(&info.comp_order, pImage->component_order, 32); + info.scanline_order = pImage->scanline_order; + WriteToClient(client, sizeof(xvImageFormatInfo), (char*)&info); + } + + return Success; +} + +static int +ProcXvMCGetDRInfo(ClientPtr client) +{ + xvmcGetDRInfoReply rep; + XvPortPtr pPort; + ScreenPtr pScreen; + XvMCScreenPtr pScreenPriv; + +#ifdef HAS_XVMCSHM + volatile CARD32 *patternP; +#endif + + REQUEST(xvmcGetDRInfoReq); + REQUEST_SIZE_MATCH(xvmcGetDRInfoReq); + + VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); + + pScreen = pPort->pAdaptor->pScreen; + pScreenPriv = XVMC_GET_PRIVATE(pScreen); + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.major = pScreenPriv->major; + rep.minor = pScreenPriv->minor; + rep.patchLevel = pScreenPriv->patchLevel; + rep.nameLen = bytes_to_int32(strlen(pScreenPriv->clientDriverName) + 1); + rep.busIDLen = bytes_to_int32(strlen(pScreenPriv->busID) + 1); + + rep.length = rep.nameLen + rep.busIDLen; + rep.nameLen <<=2; + rep.busIDLen <<=2; + + /* + * Read back to the client what she has put in the shared memory + * segment she prepared for us. + */ + + rep.isLocal = 1; +#ifdef HAS_XVMCSHM + patternP = (CARD32 *)shmat( stuff->shmKey, NULL, SHM_RDONLY ); + if ( -1 != (long) patternP) { + volatile CARD32 *patternC = patternP; + int i; + CARD32 magic = stuff->magic; + + rep.isLocal = 1; + i = 1024 / sizeof(CARD32); + + while ( i-- ) { + if (*patternC++ != magic) { + rep.isLocal = 0; + break; + } + magic = ~magic; + } + shmdt( (char *)patternP ); + } +#endif /* HAS_XVMCSHM */ + + WriteToClient(client, sizeof(xvmcGetDRInfoReply), + (char*)&rep); + if (rep.length) { + WriteToClient(client, rep.nameLen, + pScreenPriv->clientDriverName); + WriteToClient(client, rep.busIDLen, + pScreenPriv->busID); + } + return Success; +} + + +int (*ProcXvMCVector[xvmcNumRequest])(ClientPtr) = { + ProcXvMCQueryVersion, + ProcXvMCListSurfaceTypes, + ProcXvMCCreateContext, + ProcXvMCDestroyContext, + ProcXvMCCreateSurface, + ProcXvMCDestroySurface, + ProcXvMCCreateSubpicture, + ProcXvMCDestroySubpicture, + ProcXvMCListSubpictureTypes, + ProcXvMCGetDRInfo +}; + +static int +ProcXvMCDispatch (ClientPtr client) +{ + REQUEST(xReq); + + if(stuff->data < xvmcNumRequest) + return (*ProcXvMCVector[stuff->data])(client); + else + return BadRequest; +} + +static int +SProcXvMCDispatch (ClientPtr client) +{ + /* We only support local */ + return BadImplementation; +} + +void +XvMCExtensionInit(void) +{ + ExtensionEntry *extEntry; + + if(XvMCScreenKey == NULL) /* nobody supports it */ + return; + + if(!(XvMCRTContext = CreateNewResourceType(XvMCDestroyContextRes, + "XvMCRTContext"))) + return; + + if(!(XvMCRTSurface = CreateNewResourceType(XvMCDestroySurfaceRes, + "XvMCRTSurface"))) + return; + + if(!(XvMCRTSubpicture = CreateNewResourceType(XvMCDestroySubpictureRes, + "XvMCRTSubpicture"))) + return; + + extEntry = AddExtension(XvMCName, XvMCNumEvents, XvMCNumErrors, + ProcXvMCDispatch, SProcXvMCDispatch, + NULL, StandardMinorOpcode); + + if(!extEntry) return; + + XvMCReqCode = extEntry->base; + XvMCEventBase = extEntry->eventBase; + SetResourceTypeErrorValue(XvMCRTContext, extEntry->errorBase + XvMCBadContext); + SetResourceTypeErrorValue(XvMCRTSurface, extEntry->errorBase + XvMCBadSurface); + SetResourceTypeErrorValue(XvMCRTSubpicture, extEntry->errorBase + XvMCBadSubpicture); +} + +static Bool +XvMCCloseScreen (int i, ScreenPtr pScreen) +{ + XvMCScreenPtr pScreenPriv = XVMC_GET_PRIVATE(pScreen); + + pScreen->CloseScreen = pScreenPriv->CloseScreen; + + free(pScreenPriv); + + return (*pScreen->CloseScreen)(i, pScreen); +} + + +int +XvMCScreenInit(ScreenPtr pScreen, int num, XvMCAdaptorPtr pAdapt) +{ + XvMCScreenPtr pScreenPriv; + + if (!dixRegisterPrivateKey(&XvMCScreenKeyRec, PRIVATE_SCREEN, 0)) + return BadAlloc; + + if(!(pScreenPriv = malloc(sizeof(XvMCScreenRec)))) + return BadAlloc; + + dixSetPrivate(&pScreen->devPrivates, XvMCScreenKey, pScreenPriv); + + pScreenPriv->CloseScreen = pScreen->CloseScreen; + pScreen->CloseScreen = XvMCCloseScreen; + + pScreenPriv->num_adaptors = num; + pScreenPriv->adaptors = pAdapt; + pScreenPriv->clientDriverName[0] = 0; + pScreenPriv->busID[0] = 0; + pScreenPriv->major = 0; + pScreenPriv->minor = 0; + pScreenPriv->patchLevel = 0; + + XvMCInUse = TRUE; + + return Success; +} + +XvImagePtr XvMCFindXvImage(XvPortPtr pPort, CARD32 id) +{ + XvImagePtr pImage = NULL; + ScreenPtr pScreen = pPort->pAdaptor->pScreen; + XvMCScreenPtr pScreenPriv; + XvMCAdaptorPtr adaptor = NULL; + int i; + + if(XvMCScreenKey == NULL) return NULL; + + if(!(pScreenPriv = XVMC_GET_PRIVATE(pScreen))) + return NULL; + + for(i = 0; i < pScreenPriv->num_adaptors; i++) { + if(pPort->pAdaptor == pScreenPriv->adaptors[i].xv_adaptor) { + adaptor = &(pScreenPriv->adaptors[i]); + break; + } + } + + if(!adaptor) return NULL; + + for(i = 0; i < adaptor->num_subpictures; i++) { + if(adaptor->subpictures[i]->id == id) { + pImage = adaptor->subpictures[i]; + break; + } + } + + return pImage; +} + +int +xf86XvMCRegisterDRInfo(ScreenPtr pScreen, char *name, + char *busID, int major, int minor, + int patchLevel) +{ + XvMCScreenPtr pScreenPriv = XVMC_GET_PRIVATE(pScreen); + strncpy(pScreenPriv->clientDriverName, name, + DR_CLIENT_DRIVER_NAME_SIZE); + strncpy(pScreenPriv->busID, busID, DR_BUSID_SIZE); + pScreenPriv->major = major; + pScreenPriv->minor = minor; + pScreenPriv->patchLevel = patchLevel; + pScreenPriv->clientDriverName[DR_CLIENT_DRIVER_NAME_SIZE-1] = 0; + pScreenPriv->busID[DR_BUSID_SIZE-1] = 0; + return Success; +} + diff --git a/Xext/xvmcext.h b/Xext/xvmcext.h new file mode 100644 index 0000000..5b43126 --- /dev/null +++ b/Xext/xvmcext.h @@ -0,0 +1,118 @@ + +#ifndef _XVMC_H +#define _XVMC_H +#include <X11/extensions/Xv.h> +#include "xvdix.h" + +typedef struct { + int num_xvimages; + int *xvimage_ids; +} XvMCImageIDList; + +typedef struct { + int surface_type_id; + int chroma_format; + int color_description; + unsigned short max_width; + unsigned short max_height; + unsigned short subpicture_max_width; + unsigned short subpicture_max_height; + int mc_type; + int flags; + XvMCImageIDList *compatible_subpictures; +} XvMCSurfaceInfoRec, *XvMCSurfaceInfoPtr; + +typedef struct { + XID context_id; + ScreenPtr pScreen; + int adapt_num; + int surface_type_id; + unsigned short width; + unsigned short height; + CARD32 flags; + int refcnt; + pointer port_priv; + pointer driver_priv; +} XvMCContextRec, *XvMCContextPtr; + +typedef struct { + XID surface_id; + int surface_type_id; + XvMCContextPtr context; + pointer driver_priv; +} XvMCSurfaceRec, *XvMCSurfacePtr; + + +typedef struct { + XID subpicture_id; + int xvimage_id; + unsigned short width; + unsigned short height; + int num_palette_entries; + int entry_bytes; + char component_order[4]; + XvMCContextPtr context; + pointer driver_priv; +} XvMCSubpictureRec, *XvMCSubpicturePtr; + +typedef int (*XvMCCreateContextProcPtr) ( + XvPortPtr port, + XvMCContextPtr context, + int *num_priv, + CARD32 **priv +); + +typedef void (*XvMCDestroyContextProcPtr) ( + XvMCContextPtr context +); + +typedef int (*XvMCCreateSurfaceProcPtr) ( + XvMCSurfacePtr surface, + int *num_priv, + CARD32 **priv +); + +typedef void (*XvMCDestroySurfaceProcPtr) ( + XvMCSurfacePtr surface +); + +typedef int (*XvMCCreateSubpictureProcPtr) ( + XvMCSubpicturePtr subpicture, + int *num_priv, + CARD32 **priv +); + +typedef void (*XvMCDestroySubpictureProcPtr) ( + XvMCSubpicturePtr subpicture +); + + +typedef struct { + XvAdaptorPtr xv_adaptor; + int num_surfaces; + XvMCSurfaceInfoPtr *surfaces; + int num_subpictures; + XvImagePtr *subpictures; + XvMCCreateContextProcPtr CreateContext; + XvMCDestroyContextProcPtr DestroyContext; + XvMCCreateSurfaceProcPtr CreateSurface; + XvMCDestroySurfaceProcPtr DestroySurface; + XvMCCreateSubpictureProcPtr CreateSubpicture; + XvMCDestroySubpictureProcPtr DestroySubpicture; +} XvMCAdaptorRec, *XvMCAdaptorPtr; + +#ifndef XorgLoader +extern _X_EXPORT void XvMCExtensionInit(void); + +extern _X_EXPORT int XvMCScreenInit(ScreenPtr pScreen, + int num, + XvMCAdaptorPtr adapt); + +extern _X_EXPORT XvImagePtr XvMCFindXvImage(XvPortPtr pPort, CARD32 id); + +extern _X_EXPORT int xf86XvMCRegisterDRInfo(ScreenPtr pScreen, char *name, + char *busID, int major, int minor, + int patchLevel); +#endif + +#endif /* _XVMC_H */ |