1 files changed, 246 insertions, 0 deletions
diff --git a/mate-session/msm-gnome.c b/mate-session/msm-gnome.c
new file mode 100644
index 0000000..1043a35
--- /dev/null
+++ b/mate-session/msm-gnome.c
@@ -0,0 +1,246 @@
+/*
+ * Copyright (c) 2004-2005 Benedikt Meurer <[email protected]>
+ * 2013 Stefano Karapetsas <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301 USA.
+ *
+ * Most parts of this file where taken from xfce4-session and
+ * gnome-session.
+ */
+
+#include "config.h"
+
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+
+#include <X11/Xatom.h>
+#include <X11/Xlib.h>
+
+#include <gdk/gdkx.h>
+
+#include "msm-gnome.h"
+
+#define GNOME_KEYRING_DAEMON "gnome-keyring-daemon"
+
+
+static gboolean gnome_compat_started = FALSE;
+static int keyring_lifetime_pipe[2];
+static pid_t gnome_keyring_daemon_pid = 0;
+static Window gnome_smproxy_window = None;
+
+static void
+child_setup (gpointer user_data)
+{
+ gint open_max;
+ gint fd;
+ char *fd_str;
+
+ open_max = sysconf (_SC_OPEN_MAX);
+ for (fd = 3; fd < open_max; fd++)
+ {
+ if (fd != keyring_lifetime_pipe[0])
+ fcntl (fd, F_SETFD, FD_CLOEXEC);
+ }
+
+ fd_str = g_strdup_printf ("%d", keyring_lifetime_pipe[0]);
+ g_setenv ("GNOME_KEYRING_LIFETIME_FD", fd_str, TRUE);
+ g_free (fd_str);
+}
+
+
+static void
+gnome_keyring_daemon_startup (void)
+{
+ GError *error = NULL;
+ gchar *sout;
+ gchar **lines;
+ gsize lineno;
+ gint status;
+ glong pid;
+ gchar *end;
+ gchar *argv[3];
+ gchar *p;
+ gchar *name;
+ const gchar *value;
+
+ /* Pipe to slave keyring lifetime to */
+ if (pipe (keyring_lifetime_pipe))
+ {
+ g_warning ("Failed to set up pipe for gnome-keyring: %s", strerror (errno));
+ return;
+ }
+
+ error = NULL;
+ argv[0] = GNOME_KEYRING_DAEMON;
+ argv[1] = "--start";
+ argv[2] = NULL;
+ g_spawn_sync (NULL, argv, NULL,
+ G_SPAWN_SEARCH_PATH | G_SPAWN_LEAVE_DESCRIPTORS_OPEN,
+ child_setup, NULL,
+ &sout, NULL, &status, &error);
+
+ close (keyring_lifetime_pipe[0]);
+ /* We leave keyring_lifetime_pipe[1] open for the lifetime of the session,
+ in order to slave the keyring daemon lifecycle to the session. */
+
+ if (error != NULL)
+ {
+ g_printerr ("Failed to run gnome-keyring-daemon: %s\n",
+ error->message);
+ g_error_free (error);
+ }
+ else
+ {
+ if (WIFEXITED (status) && WEXITSTATUS (status) == 0 && sout != NULL)
+ {
+ lines = g_strsplit (sout, "\n", 0);
+
+ for (lineno = 0; lines[lineno] != NULL; lineno++)
+ {
+ p = strchr (lines[lineno], '=');
+ if (p == NULL)
+ continue;
+
+ name = g_strndup (lines[lineno], p - lines[lineno]);
+ value = p + 1;
+
+ g_setenv (name, value, TRUE);
+
+ if (g_strcmp0 (name, "GNOME_KEYRING_PID") == 0)
+ {
+ pid = strtol (value, &end, 10);
+ if (end != value)
+ gnome_keyring_daemon_pid = pid;
+ }
+
+ g_free (name);
+ }
+
+ g_strfreev (lines);
+ }
+ else
+ {
+ /* daemon failed for some reason */
+ g_printerr ("gnome-keyring-daemon failed to start correctly, "
+ "exit code: %d\n", WEXITSTATUS (status));
+ }
+
+ g_free (sout);
+ }
+}
+
+static void
+gnome_keyring_daemon_shutdown (void)
+{
+ if (gnome_keyring_daemon_pid != 0)
+ {
+ kill (gnome_keyring_daemon_pid, SIGTERM);
+ gnome_keyring_daemon_pid = 0;
+ }
+}
+
+
+
+static void
+msm_compat_gnome_smproxy_startup (void)
+{
+ Atom gnome_sm_proxy;
+ Display *dpy;
+ Window root;
+
+ gdk_error_trap_push ();
+
+ /* Set GNOME_SM_PROXY property, since some apps (like OOo) seem to require
+ * it to behave properly. Thanks to Jasper/Francois for reporting this.
+ * This has another advantage, since it prevents people from running
+ * gnome-smproxy in xfce4, which would cause trouble otherwise.
+ */
+ dpy = gdk_display;
+ root = RootWindow (dpy, 0);
+
+ if (gnome_smproxy_window != None)
+ XDestroyWindow (dpy, gnome_smproxy_window);
+
+ gnome_sm_proxy = XInternAtom (dpy, "GNOME_SM_PROXY", False);
+ gnome_smproxy_window = XCreateSimpleWindow (dpy, root, 1, 1, 1, 1, 0, 0, 0);
+
+ XChangeProperty (dpy, gnome_smproxy_window, gnome_sm_proxy,
+ XA_CARDINAL, 32, PropModeReplace,
+ (unsigned char *) (void *) &gnome_smproxy_window, 1);
+ XChangeProperty (dpy, root, gnome_sm_proxy,
+ XA_CARDINAL, 32, PropModeReplace,
+ (unsigned char *) (void *) &gnome_smproxy_window, 1);
+
+ XSync (dpy, False);
+
+ gdk_error_trap_pop ();
+}
+
+
+static void
+msm_compat_gnome_smproxy_shutdown (void)
+{
+ gdk_error_trap_push ();
+
+ if (gnome_smproxy_window != None)
+ {
+ XDestroyWindow (gdk_display, gnome_smproxy_window);
+ XSync (gdk_display, False);
+ gnome_smproxy_window = None;
+ }
+
+ gdk_error_trap_pop ();
+}
+
+
+void
+msm_gnome_start (void)
+{
+ if (gnome_compat_started == TRUE)
+ return;
+
+ g_debug ("MsmGnome: starting");
+
+ msm_compat_gnome_smproxy_startup ();
+
+ gnome_keyring_daemon_startup ();
+
+ gnome_compat_started = TRUE;
+}
+
+
+void
+msm_gnome_stop (void)
+{
+ if (gnome_compat_started == FALSE)
+ return;
+
+ g_debug ("MsmGnome: stopping");
+
+ /* shutdown the keyring daemon */
+ gnome_keyring_daemon_shutdown ();
+
+ msm_compat_gnome_smproxy_shutdown ();
+
+ gnome_compat_started = FALSE;
+}
+