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 sig_debug(int sig)
  49 {
  50         __connman_toggle_debug();
  51 }
  52
  53 static void disconnect_callback(DBusConnection *conn, void *user_data)
  54 {
  55         connman_error("D-Bus disconnect");
  56
  57         g_main_loop_quit(main_loop);
  58 }
  59
  60 static gchar *option_device = NULL;
  61 static gchar *option_plugin = NULL;
  62 static gchar *option_nodevice = NULL;
  63 static gchar *option_noplugin = NULL;
  64 static gchar *option_wifi = NULL;
  65 static gboolean option_detach = TRUE;
  66 static gboolean option_compat = FALSE;
  67 static gboolean option_debug = FALSE;
  68 static gboolean option_selftest = FALSE;
  69 static gboolean option_version = FALSE;
  70
  71 static GOptionEntry options[] = {
  72         { "device", 'i', 0, G_OPTION_ARG_STRING, &option_device,
  73                         "Specify networking device or interface", "DEV" },
  74         { "nodevice", 'I', 0, G_OPTION_ARG_STRING, &option_nodevice,
  75                         "Specify networking interface to ignore", "DEV" },
  76         { "plugin", 'p', 0, G_OPTION_ARG_STRING, &option_plugin,
  77                                 "Specify plugins to load", "NAME" },
  78         { "noplugin", 'P', 0, G_OPTION_ARG_STRING, &option_noplugin,
  79                                 "Specify plugins not to load", "NAME" },
  80         { "wifi", 'W', 0, G_OPTION_ARG_STRING, &option_wifi,
  81                                 "Specify driver for WiFi/Supplicant", "NAME" },
  82         { "nodaemon", 'n', G_OPTION_FLAG_REVERSE,
  83                                 G_OPTION_ARG_NONE, &option_detach,
  84                                 "Don't fork daemon to background" },
  85         { "compat", 'c', 0, G_OPTION_ARG_NONE, &option_compat,
  86                                 "Enable Network Manager compatibility" },
  87         { "debug", 'd', 0, G_OPTION_ARG_NONE, &option_debug,
  88                                 "Enable debug information output" },
  89         { "selftest", 't', 0, G_OPTION_ARG_NONE, &option_selftest,
  90                                 "Run self testing routines" },
  91         { "version", 'v', 0, G_OPTION_ARG_NONE, &option_version,
  92                                 "Show version information and exit" },
  93         { NULL },
  94 };
  95
  96 const char *connman_option_get_string(const char *key)
  97 {
  98         if (g_strcmp0(key, "wifi") == 0) {
  99                 if (option_wifi == NULL)
 100                         return "wext";
 101                 else
 102                         return option_wifi;
 103         }
 104
 105         return NULL;
 106 }
 107
 108 int main(int argc, char *argv[])
 109 {
 110         GOptionContext *context;
 111         GError *error = NULL;
 112         DBusConnection *conn;
 113         DBusError err;
 114         struct sigaction sa;
 115
 116 #ifdef NEED_THREADS
 117         if (g_thread_supported() == FALSE)
 118                 g_thread_init(NULL);
 119 #endif
 120
 121         context = g_option_context_new(NULL);
 122         g_option_context_add_main_entries(context, options, NULL);
 123
 124         if (g_option_context_parse(context, &argc, &argv, &error) == FALSE) {
 125                 if (error != NULL) {
 126                         g_printerr("%s\n", error->message);
 127                         g_error_free(error);
 128                 } else
 129                         g_printerr("An unknown error occurred\n");
 130                 exit(1);
 131         }
 132
 133         g_option_context_free(context);
 134
 135         if (option_version == TRUE) {
 136                 printf("%s\n", VERSION);
 137                 exit(0);
 138         }
 139
 140         if (option_detach == TRUE) {
 141                 if (daemon(0, 0)) {
 142                         perror("Can't start daemon");
 143                         exit(1);
 144                 }
 145         }
 146
 147         if (mkdir(STATEDIR, S_IRUSR | S_IWUSR | S_IXUSR |
 148                                 S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH) < 0) {
 149                 if (errno != EEXIST)
 150                         perror("Failed to create state directory");
 151         }
 152
 153         if (mkdir(STORAGEDIR, S_IRUSR | S_IWUSR | S_IXUSR |
 154                                 S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH) < 0) {
 155                 if (errno != EEXIST)
 156                         perror("Failed to create storage directory");
 157         }
 158
 159         main_loop = g_main_loop_new(NULL, FALSE);
 160
 161 #ifdef NEED_THREADS
 162         if (dbus_threads_init_default() == FALSE) {
 163                 fprintf(stderr, "Can't init usage of threads\n");
 164                 exit(1);
 165         }
 166 #endif
 167
 168         dbus_error_init(&err);
 169
 170         conn = g_dbus_setup_bus(DBUS_BUS_SYSTEM, CONNMAN_SERVICE, &err);
 171         if (conn == NULL) {
 172                 if (dbus_error_is_set(&err) == TRUE) {
 173                         fprintf(stderr, "%s\n", err.message);
 174                         dbus_error_free(&err);
 175                 } else
 176                         fprintf(stderr, "Can't register with system bus\n");
 177                 exit(1);
 178         }
 179
 180         g_dbus_set_disconnect_function(conn, disconnect_callback, NULL, NULL);
 181
 182         if (option_compat == TRUE) {
 183                 if (g_dbus_request_name(conn, NM_SERVICE, NULL) == FALSE) {
 184                         fprintf(stderr, "Can't register compat service\n");
 185                         option_compat = FALSE;
 186                 }
 187         }
 188
 189         __connman_log_init(option_detach, option_debug);
 190
 191         if (option_selftest == TRUE) {
 192                 if (__connman_selftest() < 0) {
 193                         connman_error("Self testing routines failed");
 194                         goto selftest;
 195                 }
 196         }
 197
 198         __connman_dbus_init(conn);
 199
 200         __connman_storage_init();
 201         __connman_element_init(conn, option_device, option_nodevice);
 202
 203         __connman_agent_init(conn);
 204         __connman_manager_init(conn, option_compat);
 205         __connman_profile_init(conn);
 206
 207         __connman_resolver_init();
 208         __connman_rtnl_init();
 209         __connman_udev_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         sa.sa_handler = sig_debug;
 226         sigaction(SIGUSR2, &sa, NULL);
 227
 228         g_main_loop_run(main_loop);
 229
 230         __connman_element_stop();
 231
 232         __connman_plugin_cleanup();
 233
 234         __connman_udev_cleanup();
 235         __connman_rtnl_cleanup();
 236         __connman_resolver_cleanup();
 237
 238         __connman_profile_cleanup();
 239         __connman_manager_cleanup();
 240         __connman_agent_cleanup();
 241
 242         __connman_element_cleanup();
 243         __connman_storage_cleanup();
 244
 245         __connman_dbus_cleanup();
 246
 247 selftest:
 248         __connman_log_cleanup();
 249
 250         dbus_connection_unref(conn);
 251
 252         g_main_loop_unref(main_loop);
 253
 254         return 0;
 255 }