diff -urN xagent.orig/gnome-session/xagent.c xagent.new/gnome-session/xagent.c

--- xagent.orig/gnome-session/xagent.c	2010-02-18 15:48:09.702503615 +0000

+++ xagent.new/gnome-session/xagent.c	2010-02-25 11:58:53.341643955 +0000

@@ -93,25 +93,33 @@

   exit (2);

 }

-static void

-parse_exec_string (char *exec, int *screen, char **command)

-{

-  gchar **tokens = g_strsplit (exec, ":", 2);

-

-  if (tokens[0]) {

-	*screen = atoi (tokens[0]);

-  } else {

-	*screen = 0;

-  }

+enum {

+  PIPE_MESSAGE_PARSE_ERROR = 0,

+  PIPE_MESSAGE_COMMAND,

+  PIPE_MESSAGE_URI,

+};

-  if (tokens[1]) {

-	*command = g_strdup (tokens[1]);

-  } else {

-	*command = g_strdup (exec);

-  }

+static int

+parse_message_string (char *str, int *screen, char **message)

+{

+  gchar *p = NULL;

-  g_strfreev (tokens);

+  if (!(p = strchr (str, ':')) || (p == str)) 

+    return PIPE_MESSAGE_PARSE_ERROR;

+  if (*(p+1) != '\0') 

+    *message = g_strdup (p+1);

+  else 

+    return PIPE_MESSAGE_PARSE_ERROR;

+

+  *p = '\0';

+  *screen = atoi (str); /* defaults to 0 on error */

+  *p = ':';

+

+  if (strncmp (*message, "[URI]", 5) == 0)

+	return PIPE_MESSAGE_URI;

+  else

+	return PIPE_MESSAGE_COMMAND;

 }

 static gboolean

@@ -125,7 +133,8 @@

   GError *error = NULL;

   GIOStatus status=0;

   int screen_num;

-  gchar *real_cmd;

+  int message_type;

+  gchar *message = NULL;

   GdkDisplay *gdk_dpy;

   if (condition & G_IO_ERR) return FALSE;

@@ -139,11 +148,23 @@

     {

 	case G_IO_STATUS_NORMAL:

 	str[pos] = '\0';

-        parse_exec_string (str, &screen_num, &real_cmd);

         gdk_dpy = gdk_display_get_default ();

-	gdk_spawn_command_line_on_screen (gdk_display_get_screen (gdk_dpy,

-                                          screen_num), real_cmd, &error);

-        g_free (real_cmd);

+        message_type = parse_message_string (str, &screen_num, &message);

+	switch (message_type) 

+	  {

+	    case PIPE_MESSAGE_URI:

+	      gtk_show_uri (gdk_display_get_screen (gdk_dpy, screen_num), 

+			message + 5, GDK_CURRENT_TIME, &error);

+	      break;

+	    case PIPE_MESSAGE_COMMAND:

+	      gdk_spawn_command_line_on_screen (gdk_display_get_screen (gdk_dpy,

+                                          screen_num), message, &error);

+	      break;

+	    case PIPE_MESSAGE_PARSE_ERROR:

+	    default:

+	      break;

+	    }

+        if (message) g_free (message);

         return TRUE;

 	case G_IO_STATUS_AGAIN:

 	return FALSE;