--- /dev/null
+/*
+ * Copyright (C) 2011 Didier Roche.
+ * Author: Didier Roche <didrocks@ubuntu.com>
+ *
+ * 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 3 of the License, or (at your option) any later
+ * version. See http://www.gnu.org/copyleft/gpl.html the full text of the
+ * license.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdlib.h>
+#include <unistd.h>
+
+#include <glib.h>
+#include <glib/gi18n.h>
+
+#define SEATDEFAULT_KEY_GROUP "SeatDefaults"
+#define SESSION_KEY_NAME "user-session"
+#define GREETER_KEY_NAME "greeter-session"
+
+#define IS_STRING_EMPTY(x) ((x)==NULL||(x)[0]=='\0')
+
+static gboolean debug = FALSE;
+static gboolean keep_old = FALSE;
+static gboolean remove = FALSE;
+
+static char *session = NULL;
+static char *greeter = NULL;
+
+static GOptionEntry entries[] =
+{
+ { "debug", 'd', 0, G_OPTION_ARG_NONE, &debug, N_("Enable debugging"), NULL },
+ { "keep-old", 'k', 0, G_OPTION_ARG_NONE, &keep_old, N_("Only update if no default already set"), NULL },
+ { "remove", 'r', 0, G_OPTION_ARG_NONE, &remove, N_("Remove default value if it's the current one"), NULL },
+ { "session", 's', 0, G_OPTION_ARG_STRING, &session, N_("Set default session"), NULL },
+ { "greeter", 'g', 0, G_OPTION_ARG_STRING, &greeter, N_("Set default greeter"), NULL },
+ { NULL }
+};
+
+void
+show_nothing(const gchar *log_domain,
+ GLogLevelFlags log_level,
+ const gchar *message,
+ gpointer unused_data) {};
+
+int
+update_string(const gchar *default_value,
+ const gchar *new_value,
+ gboolean keep_old,
+ gboolean remove,
+ const gchar *key_group,
+ const gchar *key_name,
+ GKeyFile *keyfile)
+{
+ gboolean success = TRUE;
+
+ if (!(default_value) || (strlen(default_value) < 1)) {
+ g_debug ("No existing valid value for %s. Set to %s", key_name, new_value);
+ g_key_file_set_string (keyfile, key_group, key_name, new_value);
+ }
+ else {
+ if (remove) {
+ if (g_strcmp0 (default_value, new_value) == 0) {
+ g_debug ("Remove %s as default value for %s", default_value, key_name);
+ g_key_file_set_string (keyfile, key_group, key_name, "");
+ if (!success)
+ return(2);
+ return(0);
+ }
+ g_debug ("Can't remove: %s is not the default value for %s", default_value, key_name);
+ return(4);
+ }
+ else {
+ g_debug ("Found existing default value(%s) for %s", default_value, key_name);
+ if (keep_old)
+ g_debug ("keep-old mode: keep previous default value");
+ else {
+ g_debug ("Update to %s for %s", default_value, key_name);
+ g_key_file_set_string (keyfile, key_group, key_name, new_value);
+ }
+ }
+ }
+ if (!success)
+ return(2);
+ return(0);
+}
+
+int
+main (int argc, char *argv[])
+{
+ GOptionContext *context = NULL;
+ GError *error = NULL;
+
+ GKeyFile *keyfile;
+ GKeyFileFlags flags;
+ gchar *s_data;
+ gsize size;
+ const gchar *gdm_conf_file = CONFIG_DIR "/lightdm.conf";
+
+ gchar *default_session = NULL;
+ gchar *default_greeter = NULL;
+ gint return_code = 0;
+
+ bindtextdomain (GETTEXT_PACKAGE, LOCALE_DIR);
+ bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
+ textdomain (GETTEXT_PACKAGE);
+
+ g_type_init ();
+
+ context = g_option_context_new (N_("- set lightdm default values"));
+ g_option_context_add_main_entries (context, entries, NULL);
+ if (!g_option_context_parse (context, &argc, &argv, &error)) {
+ g_printerr (N_("option parsing failed: %s\n"), error->message);
+ g_option_context_free (context);
+ g_error_free (error);
+ return 1;
+ }
+ if (IS_STRING_EMPTY (session) && IS_STRING_EMPTY (greeter)) {
+ g_printerr (N_("Wrong usage of the command\n%s"), g_option_context_get_help (context, FALSE, NULL));
+ g_option_context_free (context);
+ return 1;
+ }
+ if (context)
+ g_option_context_free (context);
+ if (!debug)
+ g_log_set_handler (NULL, G_LOG_LEVEL_DEBUG, show_nothing, NULL);
+
+ keyfile = g_key_file_new ();
+ flags = G_KEY_FILE_KEEP_COMMENTS | G_KEY_FILE_KEEP_TRANSLATIONS;
+ if (!(g_key_file_load_from_file (keyfile, gdm_conf_file, flags, &error))) {
+ g_debug ("File doesn't seem to exist or can't be read: create one (%s)", error->message);
+ g_error_free (error);
+ error = NULL;
+ }
+
+ // try to get the right keys
+ default_session = g_key_file_get_string (keyfile, SEATDEFAULT_KEY_GROUP, SESSION_KEY_NAME, NULL);
+ default_greeter = g_key_file_get_string (keyfile, SEATDEFAULT_KEY_GROUP, GREETER_KEY_NAME, NULL);
+
+ if (!(IS_STRING_EMPTY (session)))
+ return_code = update_string (default_session, session, keep_old, remove, SEATDEFAULT_KEY_GROUP, SESSION_KEY_NAME, keyfile);
+ if (!(IS_STRING_EMPTY (greeter)) && (return_code == 0))
+ return_code = update_string (default_greeter, greeter, keep_old, remove, SEATDEFAULT_KEY_GROUP, GREETER_KEY_NAME, keyfile);
+
+ if(return_code == 0) {
+ s_data = g_key_file_to_data (keyfile, &size, &error);
+ if (!s_data) {
+ g_debug ("Can't convert data to string: %s", error->message);
+ g_error_free (error);
+ return_code = 1;
+ }
+ else {
+ if(!g_file_set_contents (gdm_conf_file, s_data, size, &error)) {
+ g_printerr ("Can't update: %s\n", error->message);
+ g_error_free (error);
+ return_code = 1;
+ }
+ g_free (s_data);
+ }
+ }
+
+ g_key_file_free (keyfile);
+
+ if (default_session)
+ g_free (default_session);
+ if (default_greeter)
+ g_free (default_greeter);
+
+ return return_code;
+
+}
projects / sojka / lightdm.git / commitdiff