diff -aur gnome-session-2.23.5.orig/gnome-session/gsm-xsmp-server.c gnome-session-2.23.5/gnome-session/gsm-xsmp-server.c
--- gnome-session-2.23.5.orig/gnome-session/gsm-xsmp-server.c	2008-07-29 20:02:33.000000000 +0200
+++ gnome-session-2.23.5/gnome-session/gsm-xsmp-server.c	2008-07-29 20:24:58.000000000 +0200
@@ -421,6 +421,9 @@
         fclose (fp);
         ok = TRUE;
 
+        /* Lets programs auth with the session even if running as another user ID */
+        putenv (g_strconcat ("ICEAUTHORITY=", filename, NULL));
+
  cleanup:
         IceUnlockAuthFile (filename);
         for (i = 0; i < server->priv->num_local_xsmp_sockets; i++) {