fsm inetable: change httpd instances in queen/ghost/robinson states

- update the redirection uhttpd config and www-root to redirect all
  incoming request to a url specified by /tmp/redirection_target
- use this to implement robinson and splash redirection during
  robinson and queen/ghost states, respectively
- change the service httpd to listen on the public IPv4 address
  available on the mesh interface in those states.

Missing is the
- iptable based redirection
- already referenced /sbin/urlencode

2 files changed, 13 insertions, 8 deletions

diff --git a/files/common/www/redirection/redirect b/files/common/www/redirection/redirect
new file mode 100755
index 0000000..41b4eef
--- /dev/null
+++ b/files/common/www/redirection/redirect
@@ -0,0 +1,13 @@
+#!/bin/sh
+
+read url reftrans < /tmp/redirection_target
+if [ -x "$reftrans" ]; then
+    url="$url$($reftrans "$HTTP_HOST$REQUEST_URI")"
+fi
+echo -e \
+"Cache-Control: no-cache, max-age=0, no-store, must-revalidate\r
+Pragma: no-cache\r
+Expires: -1\r
+Status: 302 Temporary Redirect\r
+Location: $url\r
+\r"
diff --git a/files/common/www/service/cgi-bin/redirect b/files/common/www/service/cgi-bin/redirect
deleted file mode 100755
index 9b417db..0000000
--- a/files/common/www/service/cgi-bin/redirect
+++ /dev/null
@@ -1,8 +0,0 @@
-#!/bin/sh
-echo -en "Cache-Control: no-cache, max-age=0, no-store, must-revalidate\r\n"
-echo -en "Pragma: no-cache\r\n"
-echo -en "Expires: -1\r\n"
-echo -en "Status: 302 Temporary Redirect\r\n"
-echo -en "Location: http://"`uci get network.mesh.ipaddr`"/cgi-bin/splash?"`/bin/urlencode "$HTTP_HOST$REQUEST_URI"`"\r\n"
-echo -en "\r\n"
-exit 0