| /* |
| * |
| * PACrunner - Proxy configuration daemon |
| * |
| * Copyright (C) 2010 Intel Corporation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| * |
| * 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 St, Fifth Floor, Boston, MA 02110-1301 USA |
| * |
| */ |
| |
| #ifdef HAVE_CONFIG_H |
| #include <config.h> |
| #endif |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <unistd.h> |
| #include <string.h> |
| #include <signal.h> |
| |
| #include <gdbus.h> |
| |
| #ifdef HAVE_CAPNG |
| #include <cap-ng.h> |
| #endif |
| |
| #include "pacrunner.h" |
| |
| static GMainLoop *main_loop = NULL; |
| |
| static volatile sig_atomic_t __terminated = 0; |
| |
| static void sig_term(int sig) |
| { |
| if (__terminated > 0) |
| return; |
| |
| __terminated = 1; |
| |
| pacrunner_info("Terminating"); |
| |
| g_main_loop_quit(main_loop); |
| } |
| |
| static void disconnect_callback(DBusConnection *conn, void *user_data) |
| { |
| pacrunner_error("D-Bus disconnect"); |
| |
| g_main_loop_quit(main_loop); |
| } |
| |
| static gchar *option_debug = NULL; |
| static gboolean option_detach = TRUE; |
| static gboolean option_version = FALSE; |
| |
| static gboolean parse_debug(const char *key, const char *value, |
| gpointer user_data, GError **error) |
| { |
| if (value) |
| option_debug = g_strdup(value); |
| else |
| option_debug = g_strdup("*"); |
| |
| return TRUE; |
| } |
| |
| static GOptionEntry options[] = { |
| { "debug", 'd', G_OPTION_FLAG_OPTIONAL_ARG, |
| G_OPTION_ARG_CALLBACK, parse_debug, |
| "Specify debug options to enable", "DEBUG" }, |
| { "nodaemon", 'n', G_OPTION_FLAG_REVERSE, |
| G_OPTION_ARG_NONE, &option_detach, |
| "Don't fork daemon to background" }, |
| { "version", 'v', 0, G_OPTION_ARG_NONE, &option_version, |
| "Show version information and exit" }, |
| { NULL }, |
| }; |
| |
| int main(int argc, char *argv[]) |
| { |
| GOptionContext *context; |
| GError *error = NULL; |
| DBusConnection *conn; |
| DBusError err; |
| struct sigaction sa; |
| |
| #ifdef HAVE_CAPNG |
| /* Drop capabilities */ |
| capng_clear(CAPNG_SELECT_BOTH); |
| capng_apply(CAPNG_SELECT_BOTH); |
| #endif |
| |
| #ifdef NEED_THREADS |
| if (g_thread_supported() == FALSE) |
| g_thread_init(NULL); |
| #endif |
| |
| context = g_option_context_new(NULL); |
| g_option_context_add_main_entries(context, options, NULL); |
| |
| if (g_option_context_parse(context, &argc, &argv, &error) == FALSE) { |
| if (error != NULL) { |
| g_printerr("%s\n", error->message); |
| g_error_free(error); |
| } else |
| g_printerr("An unknown error occurred\n"); |
| exit(1); |
| } |
| |
| g_option_context_free(context); |
| |
| if (option_version == TRUE) { |
| printf("%s\n", VERSION); |
| exit(0); |
| } |
| |
| if (option_detach == TRUE) { |
| if (daemon(0, 0)) { |
| perror("Can't start daemon"); |
| exit(1); |
| } |
| } |
| |
| main_loop = g_main_loop_new(NULL, FALSE); |
| |
| #ifdef NEED_THREADS |
| if (dbus_threads_init_default() == FALSE) { |
| fprintf(stderr, "Can't init usage of threads\n"); |
| exit(1); |
| } |
| #endif |
| |
| dbus_error_init(&err); |
| |
| conn = g_dbus_setup_bus(DBUS_BUS_SYSTEM, PACRUNNER_SERVICE, &err); |
| if (conn == NULL) { |
| if (dbus_error_is_set(&err) == TRUE) { |
| fprintf(stderr, "%s\n", err.message); |
| dbus_error_free(&err); |
| } else |
| fprintf(stderr, "Can't register with system bus\n"); |
| exit(1); |
| } |
| |
| g_dbus_set_disconnect_function(conn, disconnect_callback, NULL, NULL); |
| |
| __pacrunner_log_init(option_debug, option_detach); |
| |
| __pacrunner_proxy_init(); |
| __pacrunner_download_init(); |
| __pacrunner_manager_init(conn); |
| __pacrunner_client_init(conn); |
| __pacrunner_mozjs_init(); |
| __pacrunner_plugin_init(); |
| |
| memset(&sa, 0, sizeof(sa)); |
| sa.sa_handler = sig_term; |
| sigaction(SIGINT, &sa, NULL); |
| sigaction(SIGTERM, &sa, NULL); |
| |
| g_main_loop_run(main_loop); |
| |
| __pacrunner_plugin_cleanup(); |
| __pacrunner_mozjs_cleanup(); |
| __pacrunner_client_cleanup(); |
| __pacrunner_manager_cleanup(); |
| __pacrunner_download_cleanup(); |
| __pacrunner_proxy_cleanup(); |
| |
| __pacrunner_log_cleanup(); |
| |
| dbus_connection_unref(conn); |
| |
| g_main_loop_unref(main_loop); |
| |
| return 0; |
| } |