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)
205 struct connman_element *element = data;
207 DBusMessageIter array, dict;
208 connman_uint8_t strength = 0;
209 const char *device, *network;
210 const char *type = NULL, *method = NULL;
211 const char *address = NULL, *netmask = NULL, *gateway = NULL;
213 DBG("conn %p", conn);
215 if (__connman_security_check_privilege(msg,
216 CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
217 return __connman_error_permission_denied(msg);
219 reply = dbus_message_new_method_return(msg);
223 dbus_message_iter_init_append(reply, &array);
225 dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
226 DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
227 DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
228 DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
230 connman_element_get_static_property(element, "Type", &type);
233 connman_dbus_dict_append_variant(&dict, "Type",
234 DBUS_TYPE_STRING, &type);
236 connman_element_get_static_property(element, "Strength", &strength);
238 connman_dbus_dict_append_variant(&dict, "Strength",
239 DBUS_TYPE_BYTE, &strength);
241 if (element->devname != NULL)
242 connman_dbus_dict_append_variant(&dict, "Interface",
243 DBUS_TYPE_STRING, &element->devname);
245 connman_dbus_dict_append_variant(&dict, "Default",
246 DBUS_TYPE_BOOLEAN, &element->enabled);
248 device = __connman_element_get_device(element);
250 connman_dbus_dict_append_variant(&dict, "Device",
251 DBUS_TYPE_OBJECT_PATH, &device);
253 network = __connman_element_get_network(element);
255 connman_dbus_dict_append_variant(&dict, "Network",
256 DBUS_TYPE_OBJECT_PATH, &network);
258 connman_element_get_value(element,
259 CONNMAN_PROPERTY_ID_IPV4_METHOD, &method);
261 connman_element_get_value(element,
262 CONNMAN_PROPERTY_ID_IPV4_ADDRESS, &address);
263 connman_element_get_value(element,
264 CONNMAN_PROPERTY_ID_IPV4_NETMASK, &netmask);
265 connman_element_get_value(element,
266 CONNMAN_PROPERTY_ID_IPV4_GATEWAY, &gateway);
269 connman_dbus_dict_append_variant(&dict, "IPv4.Method",
270 DBUS_TYPE_STRING, &method);
273 connman_dbus_dict_append_variant(&dict, "IPv4.Address",
274 DBUS_TYPE_STRING, &address);
277 connman_dbus_dict_append_variant(&dict, "IPv4.Netmask",
278 DBUS_TYPE_STRING, &netmask);
281 connman_dbus_dict_append_variant(&dict, "IPv4.Gateway",
282 DBUS_TYPE_STRING, &gateway);
284 dbus_message_iter_close_container(&array, &dict);
289 static DBusMessage *set_property(DBusConnection *conn,
290 DBusMessage *msg, void *data)
292 DBusMessageIter iter, value;
295 DBG("conn %p", conn);
297 if (dbus_message_iter_init(msg, &iter) == FALSE)
298 return __connman_error_invalid_arguments(msg);
300 dbus_message_iter_get_basic(&iter, &name);
301 dbus_message_iter_next(&iter);
302 dbus_message_iter_recurse(&iter, &value);
304 if (__connman_security_check_privilege(msg,
305 CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
306 return __connman_error_permission_denied(msg);
308 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
311 static GDBusMethodTable connection_methods[] = {
312 { "GetProperties", "", "a{sv}", get_properties },
313 { "SetProperty", "sv", "", set_property },
317 static GDBusSignalTable connection_signals[] = {
318 { "PropertyChanged", "sv" },
322 static DBusConnection *connection;
324 static void emit_connections_signal(void)
328 static int register_interface(struct connman_element *element)
330 DBG("element %p name %s", element, element->name);
332 if (g_dbus_register_interface(connection, element->path,
333 CONNMAN_CONNECTION_INTERFACE,
334 connection_methods, connection_signals,
335 NULL, element, NULL) == FALSE) {
336 connman_error("Failed to register %s connection", element->path);
340 emit_connections_signal();
345 static void unregister_interface(struct connman_element *element)
347 DBG("element %p name %s", element, element->name);
349 emit_connections_signal();
351 g_dbus_unregister_interface(connection, element->path,
352 CONNMAN_CONNECTION_INTERFACE);
355 static int connection_probe(struct connman_element *element)
357 const char *gateway = NULL;
359 DBG("element %p name %s", element, element->name);
361 if (element->parent == NULL)
364 if (element->parent->type != CONNMAN_ELEMENT_TYPE_IPV4)
367 connman_element_get_value(element,
368 CONNMAN_PROPERTY_ID_IPV4_GATEWAY, &gateway);
370 DBG("gateway %s", gateway);
372 if (register_interface(element) < 0)
378 if (g_slist_length(gateway_list) > 0) {
379 DBG("default gateway already present");
383 set_route(element, gateway);
385 connman_element_set_enabled(element, TRUE);
390 static void connection_remove(struct connman_element *element)
392 const char *gateway = NULL;
394 DBG("element %p name %s", element, element->name);
396 unregister_interface(element);
398 connman_element_get_value(element,
399 CONNMAN_PROPERTY_ID_IPV4_GATEWAY, &gateway);
401 DBG("gateway %s", gateway);
406 del_route(element, gateway);
409 static struct connman_driver connection_driver = {
410 .name = "connection",
411 .type = CONNMAN_ELEMENT_TYPE_CONNECTION,
412 .priority = CONNMAN_DRIVER_PRIORITY_LOW,
413 .probe = connection_probe,
414 .remove = connection_remove,
417 int __connman_connection_init(void)
421 connection = connman_dbus_get_connection();
423 if (connman_rtnl_register(&connection_rtnl) < 0)
424 connman_error("Failed to setup RTNL gateway driver");
426 connman_rtnl_send_getroute();
428 return connman_driver_register(&connection_driver);
431 void __connman_connection_cleanup(void)
437 connman_driver_unregister(&connection_driver);
439 connman_rtnl_unregister(&connection_rtnl);
441 for (list = gateway_list; list; list = list->next) {
442 struct gateway_data *data = list->data;
444 DBG("index %d gateway %s", data->index, data->gateway);
446 g_free(data->gateway);
451 g_slist_free(gateway_list);
454 dbus_connection_unref(connection);