initial state (xorg-server 1.10.2)

1 files changed, 202 insertions, 0 deletions

diff --git a/hw/xwin/winauth.c b/hw/xwin/winauth.c
new file mode 100644
index 0000000..f0eec04
--- /dev/null
+++ b/hw/xwin/winauth.c
@@ -0,0 +1,202 @@
+/*
+ *Copyright (C) 2003-2004 Harold L Hunt II 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 HAROLD L HUNT II 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 Harold L Hunt II
+ *shall not be used in advertising or otherwise to promote the sale, use
+ *or other dealings in this Software without prior written authorization
+ *from Harold L Hunt II.
+ *
+ * Authors:	Harold L Hunt II
+ */
+
+#ifdef HAVE_XWIN_CONFIG_H
+#include <xwin-config.h>
+#endif
+
+#include "win.h"
+
+/* Includes for authorization */
+#include "securitysrv.h"
+
+
+/*
+ * Constants
+ */
+
+#define AUTH_NAME	"MIT-MAGIC-COOKIE-1"
+
+
+/*
+ * Locals
+ */
+
+static XID g_authId = 0;
+static unsigned int g_uiAuthDataLen = 0;
+static char *g_pAuthData = NULL;
+
+/*
+ * Code to generate a MIT-MAGIC-COOKIE-1, copied from under XCSECURITY
+ */
+
+#ifndef XCSECURITY
+static
+void
+GenerateRandomData (int len, char *buf)
+{
+    int fd;
+
+    fd = open("/dev/urandom", O_RDONLY);
+    read(fd, buf, len);
+    close(fd);
+}
+
+
+static char cookie[16]; /* 128 bits */
+
+XID
+static MitGenerateCookie (
+    unsigned	data_length,
+    char	*data,
+    XID		id,
+    unsigned	*data_length_return,
+    char	**data_return)
+{
+    int i = 0;
+    int status;
+
+    while (data_length--)
+    {
+	cookie[i++] += *data++;
+	if (i >= sizeof (cookie)) i = 0;
+    }
+    GenerateRandomData(sizeof (cookie), cookie);
+    status = MitAddCookie(sizeof (cookie), cookie, id);
+    if (!status)
+    {
+	id = -1;
+    }
+    else
+    {
+	*data_return = cookie;
+	*data_length_return = sizeof (cookie);
+    }
+    return id;
+}
+
+static
+XID
+GenerateAuthorization(
+	unsigned name_length,
+	char	*name,
+	unsigned data_length,
+	char	*data,
+	unsigned *data_length_return,
+	char	**data_return)
+{
+    return MitGenerateCookie(data_length, data,
+                             FakeClientID(0), data_length_return, data_return);
+}
+#endif
+
+/*
+ * Generate authorization cookie for internal server clients
+ */
+
+Bool
+winGenerateAuthorization (void)
+{
+  Bool				fFreeAuth = FALSE;
+  SecurityAuthorizationPtr	pAuth = NULL;
+
+  /* Call OS layer to generate authorization key */
+  g_authId = GenerateAuthorization (strlen (AUTH_NAME),
+				    AUTH_NAME,
+				    0,
+				    NULL,
+				    &g_uiAuthDataLen,
+				    &g_pAuthData);
+  if ((XID) ~0L == g_authId)
+    {
+      ErrorF ("winGenerateAuthorization - GenerateAuthorization failed\n");
+      goto auth_bailout;
+    }
+
+  else
+    {
+      winDebug("winGenerateAuthorization - GenerateAuthorization success!\n"
+	      "AuthDataLen: %d AuthData: %s\n",
+	      g_uiAuthDataLen, g_pAuthData);
+    }
+
+#ifdef XCSECURITY
+  /* Allocate structure for additional auth information */
+  pAuth = (SecurityAuthorizationPtr) 
+    malloc(sizeof (SecurityAuthorizationRec));
+  if (!(pAuth))
+    {
+      ErrorF ("winGenerateAuthorization - Failed allocating "
+	      "SecurityAuthorizationPtr.\n");
+      goto auth_bailout;
+    }
+  
+  /* Fill in the auth fields */
+  pAuth->id = g_authId;
+  pAuth->timeout = 0; /* live for x seconds after refcnt == 0 */
+  pAuth->group = None;
+  pAuth->trustLevel = XSecurityClientTrusted;
+  pAuth->refcnt = 1; /* this auth must stick around */
+  pAuth->secondsRemaining = 0;
+  pAuth->timer = NULL;
+  pAuth->eventClients = NULL;
+  
+  /* Add the authorization to the server's auth list */
+  if (!AddResource (g_authId,
+		    SecurityAuthorizationResType,
+		    pAuth))
+    {
+      ErrorF ("winGenerateAuthorization - AddResource failed for auth.\n");
+      fFreeAuth = TRUE;
+      goto auth_bailout;
+    }
+  
+  /* Don't free the auth data, since it is still used internally */
+  pAuth = NULL;
+#endif
+
+  return TRUE;
+
+ auth_bailout:
+  if (fFreeAuth)
+    free(pAuth);
+  
+  return FALSE;
+}
+
+/* Use our generated cookie for authentication */
+void
+winSetAuthorization(void)
+{
+  XSetAuthorization (AUTH_NAME,
+		     strlen (AUTH_NAME),
+		     g_pAuthData,
+		     g_uiAuthDataLen);
+}