5 * Copyright (C) 2007-2009 Intel Corporation. All rights reserved.
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.
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.
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
29 #include <sys/ioctl.h>
30 #include <arpa/inet.h>
32 #include <net/route.h>
43 static GSList *gateway_list = NULL;
45 static struct gateway_data *find_gateway(int index, const char *gateway)
52 for (list = gateway_list; list; list = list->next) {
53 struct gateway_data *data = list->data;
55 if (data->gateway == NULL)
58 if (data->index == index &&
59 g_str_equal(data->gateway, gateway) == TRUE)
66 static void connection_newgateway(int index, const char *gateway)
68 struct gateway_data *data;
70 DBG("index %d gateway %s", index, gateway);
72 data = find_gateway(index, gateway);
76 data = g_try_new0(struct gateway_data, 1);
81 data->gateway = g_strdup(gateway);
83 gateway_list = g_slist_append(gateway_list, data);
86 static void connection_delgateway(int index, const char *gateway)
88 struct gateway_data *data;
90 DBG("index %d gateway %s", index, gateway);
92 data = find_gateway(index, gateway);
96 gateway_list = g_slist_remove(gateway_list, data);
98 g_free(data->gateway);
102 static struct connman_rtnl connection_rtnl = {
103 .name = "connection",
104 .newgateway = connection_newgateway,
105 .delgateway = connection_delgateway,
108 static int set_route(struct connman_element *element, const char *gateway)
112 struct sockaddr_in *addr;
115 DBG("element %p", element);
117 sk = socket(PF_INET, SOCK_DGRAM, 0);
121 memset(&ifr, 0, sizeof(ifr));
122 ifr.ifr_ifindex = element->index;
124 if (ioctl(sk, SIOCGIFNAME, &ifr) < 0) {
129 DBG("ifname %s", ifr.ifr_name);
131 memset(&rt, 0, sizeof(rt));
132 rt.rt_flags = RTF_UP | RTF_GATEWAY;
134 addr = (struct sockaddr_in *) &rt.rt_dst;
135 addr->sin_family = AF_INET;
136 addr->sin_addr.s_addr = INADDR_ANY;
138 addr = (struct sockaddr_in *) &rt.rt_gateway;
139 addr->sin_family = AF_INET;
140 addr->sin_addr.s_addr = inet_addr(gateway);
142 addr = (struct sockaddr_in *) &rt.rt_genmask;
143 addr->sin_family = AF_INET;
144 addr->sin_addr.s_addr = INADDR_ANY;
146 err = ioctl(sk, SIOCADDRT, &rt);
148 DBG("default route setting failed (%s)", strerror(errno));
155 static int del_route(struct connman_element *element, const char *gateway)
159 struct sockaddr_in *addr;
162 DBG("element %p", element);
164 sk = socket(PF_INET, SOCK_DGRAM, 0);
168 memset(&ifr, 0, sizeof(ifr));
169 ifr.ifr_ifindex = element->index;
171 if (ioctl(sk, SIOCGIFNAME, &ifr) < 0) {
176 DBG("ifname %s", ifr.ifr_name);
178 memset(&rt, 0, sizeof(rt));
179 rt.rt_flags = RTF_UP | RTF_GATEWAY;
181 addr = (struct sockaddr_in *) &rt.rt_dst;
182 addr->sin_family = AF_INET;
183 addr->sin_addr.s_addr = INADDR_ANY;
185 addr = (struct sockaddr_in *) &rt.rt_gateway;
186 addr->sin_family = AF_INET;
187 addr->sin_addr.s_addr = inet_addr(gateway);
189 addr = (struct sockaddr_in *) &rt.rt_genmask;
190 addr->sin_family = AF_INET;
191 addr->sin_addr.s_addr = INADDR_ANY;
193 err = ioctl(sk, SIOCDELRT, &rt);
195 DBG("default route removal failed (%s)", strerror(errno));
202 static DBusMessage *get_properties(DBusConnection *conn,
203 DBusMessage *msg, void *data)
206 DBusMessageIter array, dict;
208 DBG("conn %p", conn);
210 reply = dbus_message_new_method_return(msg);
214 dbus_message_iter_init_append(reply, &array);
216 dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
217 DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
218 DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
219 DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
221 dbus_message_iter_close_container(&array, &dict);
226 static DBusMessage *set_property(DBusConnection *conn,
227 DBusMessage *msg, void *data)
229 DBusMessageIter iter, value;
232 DBG("conn %p", conn);
234 if (dbus_message_iter_init(msg, &iter) == FALSE)
235 return __connman_error_invalid_arguments(msg);
237 dbus_message_iter_get_basic(&iter, &name);
238 dbus_message_iter_next(&iter);
239 dbus_message_iter_recurse(&iter, &value);
241 if (__connman_security_check_privileges(msg) < 0)
242 return __connman_error_permission_denied(msg);
244 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
247 static GDBusMethodTable connection_methods[] = {
248 { "GetProperties", "", "a{sv}", get_properties },
249 { "SetProperty", "sv", "", set_property },
253 static GDBusSignalTable connection_signals[] = {
254 { "PropertyChanged", "sv" },
258 static DBusConnection *connection;
260 static void emit_connections_signal(void)
264 static int register_interface(struct connman_element *element)
266 DBG("element %p name %s", element, element->name);
268 if (g_dbus_register_interface(connection, element->path,
269 CONNMAN_CONNECTION_INTERFACE,
270 connection_methods, connection_signals,
271 NULL, element, NULL) == FALSE) {
272 connman_error("Failed to register %s connection", element->path);
276 emit_connections_signal();
281 static void unregister_interface(struct connman_element *element)
283 DBG("element %p name %s", element, element->name);
285 emit_connections_signal();
287 g_dbus_unregister_interface(connection, element->path,
288 CONNMAN_CONNECTION_INTERFACE);
291 static int connection_probe(struct connman_element *element)
293 const char *gateway = NULL;
295 DBG("element %p name %s", element, element->name);
297 if (element->parent == NULL)
300 if (element->parent->type != CONNMAN_ELEMENT_TYPE_IPV4)
303 connman_element_get_value(element,
304 CONNMAN_PROPERTY_ID_IPV4_GATEWAY, &gateway);
306 DBG("gateway %s", gateway);
308 if (register_interface(element) < 0)
314 if (g_slist_length(gateway_list) > 0) {
315 DBG("default gateway already present");
319 set_route(element, gateway);
321 connman_element_set_enabled(element, TRUE);
326 static void connection_remove(struct connman_element *element)
328 const char *gateway = NULL;
330 DBG("element %p name %s", element, element->name);
332 unregister_interface(element);
334 connman_element_get_value(element,
335 CONNMAN_PROPERTY_ID_IPV4_GATEWAY, &gateway);
337 DBG("gateway %s", gateway);
342 del_route(element, gateway);
345 static struct connman_driver connection_driver = {
346 .name = "connection",
347 .type = CONNMAN_ELEMENT_TYPE_CONNECTION,
348 .priority = CONNMAN_DRIVER_PRIORITY_LOW,
349 .probe = connection_probe,
350 .remove = connection_remove,
353 int __connman_connection_init(void)
357 connection = connman_dbus_get_connection();
359 if (connman_rtnl_register(&connection_rtnl) < 0)
360 connman_error("Failed to setup RTNL gateway driver");
362 connman_rtnl_send_getroute();
364 return connman_driver_register(&connection_driver);
367 void __connman_connection_cleanup(void)
373 connman_driver_unregister(&connection_driver);
375 connman_rtnl_unregister(&connection_rtnl);
377 for (list = gateway_list; list; list = list->next) {
378 struct gateway_data *data = list->data;
380 DBG("index %d gateway %s", data->index, data->gateway);
382 g_free(data->gateway);
387 g_slist_free(gateway_list);
390 dbus_connection_unref(connection);