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guix/gnu/packages/patches/lightdm-vncserver-check.patch

67 lines
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Diff

Honor the Xvnc command specified in the config instead of using a hard-coded
default.
Submitted upstream at: https://github.com/canonical/lightdm/pull/265
diff --git a/src/lightdm.c b/src/lightdm.c
index 74f9ff2d..0ccfcd78 100644
--- a/src/lightdm.c
+++ b/src/lightdm.c
@@ -349,27 +349,42 @@ start_display_manager (void)
/* Start the VNC server */
if (config_get_boolean (config_get_instance (), "VNCServer", "enabled"))
{
- g_autofree gchar *path = g_find_program_in_path ("Xvnc");
- if (path)
+ /* Validate that a the VNC command is available. */
+ g_autofree gchar *command = config_get_string (config_get_instance (), "VNCServer", "command");
+ if (command)
{
- vnc_server = vnc_server_new ();
- if (config_has_key (config_get_instance (), "VNCServer", "port"))
+ g_auto(GStrv) tokens = g_strsplit (command, " ", 2);
+ if (!g_find_program_in_path (tokens[0]))
{
- gint port = config_get_integer (config_get_instance (), "VNCServer", "port");
- if (port > 0)
- vnc_server_set_port (vnc_server, port);
+ g_warning ("Can't start VNC server; command '%s' not found", tokens[0]);
+ return;
}
- g_autofree gchar *listen_address = config_get_string (config_get_instance (), "VNCServer", "listen-address");
- vnc_server_set_listen_address (vnc_server, listen_address);
- g_signal_connect (vnc_server, VNC_SERVER_SIGNAL_NEW_CONNECTION, G_CALLBACK (vnc_connection_cb), NULL);
-
- g_debug ("Starting VNC server on TCP/IP port %d", vnc_server_get_port (vnc_server));
- vnc_server_start (vnc_server);
}
else
- g_warning ("Can't start VNC server, Xvnc is not in the path");
+ {
+ /* Fallback to 'Xvnc'. */
+ if (!g_find_program_in_path ("Xvnc")) {
+ g_warning ("Can't start VNC server; 'Xvnc' command not found");
+ return;
+ }
+ }
+
+ vnc_server = vnc_server_new ();
+ if (config_has_key (config_get_instance (), "VNCServer", "port"))
+ {
+ gint port = config_get_integer (config_get_instance (), "VNCServer", "port");
+ if (port > 0)
+ vnc_server_set_port (vnc_server, port);
+ }
+ g_autofree gchar *listen_address = config_get_string (config_get_instance (), "VNCServer", "listen-address");
+ vnc_server_set_listen_address (vnc_server, listen_address);
+ g_signal_connect (vnc_server, VNC_SERVER_SIGNAL_NEW_CONNECTION, G_CALLBACK (vnc_connection_cb), NULL);
+
+ g_debug ("Starting VNC server on TCP/IP port %d", vnc_server_get_port (vnc_server));
+ vnc_server_start (vnc_server);
}
}
+
static void
service_ready_cb (DisplayManagerService *service)
{