src/main.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2009  Intel Corporation. All rights reserved.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License version 2 as
   9  *  published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <stdio.h>
  27 #include <stdlib.h>
  28 #include <unistd.h>
  29 #include <string.h>
  30 #include <signal.h>
  31 #include <getopt.h>
  32 #include <sys/stat.h>
  33 #include <net/if.h>
  34
  35 #include <gdbus.h>
  36
  37 #include "connman.h"
  38
  39 static GMainLoop *main_loop = NULL;
  40
  41 static void sig_term(int sig)
  42 {
  43         connman_info("Terminating");
  44
  45         g_main_loop_quit(main_loop);
  46 }
  47
  48 static void disconnect_callback(DBusConnection *conn, void *user_data)
  49 {
  50         connman_error("D-Bus disconnect");
  51
  52         g_main_loop_quit(main_loop);
  53 }
  54
  55 static gchar *option_debug = NULL;
  56 static gchar *option_device = NULL;
  57 static gchar *option_plugin = NULL;
  58 static gchar *option_nodevice = NULL;
  59 static gchar *option_noplugin = NULL;
  60 static gchar *option_wifi = NULL;
  61 static gboolean option_detach = TRUE;
  62 static gboolean option_compat = FALSE;
  63 static gboolean option_selftest = FALSE;
  64 static gboolean option_version = FALSE;
  65
  66 static GOptionEntry options[] = {
  67         { "debug", 'd', 0, G_OPTION_ARG_STRING, &option_debug,
  68                                 "Specify debug options to enable", "DEBUG" },
  69         { "device", 'i', 0, G_OPTION_ARG_STRING, &option_device,
  70                         "Specify networking device or interface", "DEV" },
  71         { "nodevice", 'I', 0, G_OPTION_ARG_STRING, &option_nodevice,
  72                         "Specify networking interface to ignore", "DEV" },
  73         { "plugin", 'p', 0, G_OPTION_ARG_STRING, &option_plugin,
  74                                 "Specify plugins to load", "NAME" },
  75         { "noplugin", 'P', 0, G_OPTION_ARG_STRING, &option_noplugin,
  76                                 "Specify plugins not to load", "NAME" },
  77         { "wifi", 'W', 0, G_OPTION_ARG_STRING, &option_wifi,
  78                                 "Specify driver for WiFi/Supplicant", "NAME" },
  79         { "nodaemon", 'n', G_OPTION_FLAG_REVERSE,
  80                                 G_OPTION_ARG_NONE, &option_detach,
  81                                 "Don't fork daemon to background" },
  82         { "compat", 'c', 0, G_OPTION_ARG_NONE, &option_compat,
  83                                 "Enable Network Manager compatibility" },
  84         { "selftest", 't', 0, G_OPTION_ARG_NONE, &option_selftest,
  85                                 "Run self testing routines" },
  86         { "version", 'v', 0, G_OPTION_ARG_NONE, &option_version,
  87                                 "Show version information and exit" },
  88         { NULL },
  89 };
  90
  91 const char *connman_option_get_string(const char *key)
  92 {
  93         if (g_strcmp0(key, "wifi") == 0) {
  94                 if (option_wifi == NULL)
  95                         return "wext";
  96                 else
  97                         return option_wifi;
  98         }
  99
 100         return NULL;
 101 }
 102
 103 int main(int argc, char *argv[])
 104 {
 105         GOptionContext *context;
 106         GError *error = NULL;
 107         DBusConnection *conn;
 108         DBusError err;
 109         struct sigaction sa;
 110         mode_t old_umask;
 111
 112 #ifdef NEED_THREADS
 113         if (g_thread_supported() == FALSE)
 114                 g_thread_init(NULL);
 115 #endif
 116
 117         context = g_option_context_new(NULL);
 118         g_option_context_add_main_entries(context, options, NULL);
 119
 120         if (g_option_context_parse(context, &argc, &argv, &error) == FALSE) {
 121                 if (error != NULL) {
 122                         g_printerr("%s\n", error->message);
 123                         g_error_free(error);
 124                 } else
 125                         g_printerr("An unknown error occurred\n");
 126                 exit(1);
 127         }
 128
 129         g_option_context_free(context);
 130
 131         if (option_version == TRUE) {
 132                 printf("%s\n", VERSION);
 133                 exit(0);
 134         }
 135
 136         if (option_detach == TRUE) {
 137                 if (daemon(0, 0)) {
 138                         perror("Can't start daemon");
 139                         exit(1);
 140                 }
 141         }
 142
 143         if (mkdir(STATEDIR, S_IRUSR | S_IWUSR | S_IXUSR |
 144                                 S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH) < 0) {
 145                 if (errno != EEXIST)
 146                         perror("Failed to create state directory");
 147         }
 148
 149         if (mkdir(STORAGEDIR, S_IRUSR | S_IWUSR | S_IXUSR |
 150                                 S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH) < 0) {
 151                 if (errno != EEXIST)
 152                         perror("Failed to create storage directory");
 153         }
 154
 155         old_umask = umask(077);
 156
 157         main_loop = g_main_loop_new(NULL, FALSE);
 158
 159 #ifdef NEED_THREADS
 160         if (dbus_threads_init_default() == FALSE) {
 161                 fprintf(stderr, "Can't init usage of threads\n");
 162                 exit(1);
 163         }
 164 #endif
 165
 166         dbus_error_init(&err);
 167
 168         conn = g_dbus_setup_bus(DBUS_BUS_SYSTEM, CONNMAN_SERVICE, &err);
 169         if (conn == NULL) {
 170                 if (dbus_error_is_set(&err) == TRUE) {
 171                         fprintf(stderr, "%s\n", err.message);
 172                         dbus_error_free(&err);
 173                 } else
 174                         fprintf(stderr, "Can't register with system bus\n");
 175                 exit(1);
 176         }
 177
 178         g_dbus_set_disconnect_function(conn, disconnect_callback, NULL, NULL);
 179
 180         if (option_compat == TRUE) {
 181                 if (g_dbus_request_name(conn, NM_SERVICE, NULL) == FALSE) {
 182                         fprintf(stderr, "Can't register compat service\n");
 183                         option_compat = FALSE;
 184                 }
 185         }
 186
 187         __connman_log_init(option_debug, option_detach);
 188
 189         if (option_selftest == TRUE) {
 190                 if (__connman_selftest() < 0) {
 191                         connman_error("Self testing routines failed");
 192                         goto selftest;
 193                 }
 194         }
 195
 196         __connman_dbus_init(conn);
 197
 198         __connman_storage_init();
 199         __connman_element_init(option_device, option_nodevice);
 200
 201         __connman_agent_init();
 202         __connman_manager_init(option_compat);
 203         __connman_profile_init();
 204
 205         __connman_resolver_init();
 206         __connman_ipconfig_init();
 207         __connman_rtnl_init();
 208         __connman_udev_init();
 209         __connman_task_init();
 210
 211         __connman_plugin_init(option_plugin, option_noplugin);
 212
 213         __connman_element_start();
 214
 215         g_free(option_device);
 216         g_free(option_plugin);
 217         g_free(option_nodevice);
 218         g_free(option_noplugin);
 219
 220         memset(&sa, 0, sizeof(sa));
 221         sa.sa_handler = sig_term;
 222         sigaction(SIGINT, &sa, NULL);
 223         sigaction(SIGTERM, &sa, NULL);
 224
 225         g_main_loop_run(main_loop);
 226
 227         __connman_element_stop();
 228
 229         __connman_plugin_cleanup();
 230
 231         __connman_task_cleanup();
 232         __connman_udev_cleanup();
 233         __connman_rtnl_cleanup();
 234         __connman_ipconfig_cleanup();
 235         __connman_resolver_cleanup();
 236
 237         __connman_profile_cleanup();
 238         __connman_manager_cleanup();
 239         __connman_agent_cleanup();
 240
 241         __connman_element_cleanup();
 242         __connman_storage_cleanup();
 243
 244         __connman_dbus_cleanup();
 245
 246 selftest:
 247         __connman_log_cleanup();
 248
 249         dbus_connection_unref(conn);
 250
 251         g_main_loop_unref(main_loop);
 252
 253         return 0;
 254 }