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 *type = NULL, *method = NULL;
210 const char *address = NULL, *netmask = NULL, *gateway = NULL;
212 DBG("conn %p", conn);
214 if (__connman_security_check_privilege(msg,
215 CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
216 return __connman_error_permission_denied(msg);
218 reply = dbus_message_new_method_return(msg);
222 dbus_message_iter_init_append(reply, &array);
224 dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
225 DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
226 DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
227 DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
229 connman_element_get_static_property(element, "Type", &type);
232 connman_dbus_dict_append_variant(&dict, "Type",
233 DBUS_TYPE_STRING, &type);
235 connman_element_get_static_property(element, "Strength", &strength);
237 connman_dbus_dict_append_variant(&dict, "Strength",
238 DBUS_TYPE_BYTE, &strength);
240 if (element->devname != NULL)
241 connman_dbus_dict_append_variant(&dict, "Interface",
242 DBUS_TYPE_STRING, &element->devname);
244 connman_dbus_dict_append_variant(&dict, "Default",
245 DBUS_TYPE_BOOLEAN, &element->enabled);
247 connman_element_get_value(element,
248 CONNMAN_PROPERTY_ID_IPV4_METHOD, &method);
250 connman_element_get_value(element,
251 CONNMAN_PROPERTY_ID_IPV4_ADDRESS, &address);
252 connman_element_get_value(element,
253 CONNMAN_PROPERTY_ID_IPV4_NETMASK, &netmask);
254 connman_element_get_value(element,
255 CONNMAN_PROPERTY_ID_IPV4_GATEWAY, &gateway);
258 connman_dbus_dict_append_variant(&dict, "IPv4.Method",
259 DBUS_TYPE_STRING, &method);
262 connman_dbus_dict_append_variant(&dict, "IPv4.Address",
263 DBUS_TYPE_STRING, &address);
266 connman_dbus_dict_append_variant(&dict, "IPv4.Netmask",
267 DBUS_TYPE_STRING, &netmask);
270 connman_dbus_dict_append_variant(&dict, "IPv4.Gateway",
271 DBUS_TYPE_STRING, &gateway);
273 dbus_message_iter_close_container(&array, &dict);
278 static DBusMessage *set_property(DBusConnection *conn,
279 DBusMessage *msg, void *data)
281 DBusMessageIter iter, value;
284 DBG("conn %p", conn);
286 if (dbus_message_iter_init(msg, &iter) == FALSE)
287 return __connman_error_invalid_arguments(msg);
289 dbus_message_iter_get_basic(&iter, &name);
290 dbus_message_iter_next(&iter);
291 dbus_message_iter_recurse(&iter, &value);
293 if (__connman_security_check_privilege(msg,
294 CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
295 return __connman_error_permission_denied(msg);
297 return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
300 static GDBusMethodTable connection_methods[] = {
301 { "GetProperties", "", "a{sv}", get_properties },
302 { "SetProperty", "sv", "", set_property },
306 static GDBusSignalTable connection_signals[] = {
307 { "PropertyChanged", "sv" },
311 static DBusConnection *connection;
313 static void emit_connections_signal(void)
317 static int register_interface(struct connman_element *element)
319 DBG("element %p name %s", element, element->name);
321 if (g_dbus_register_interface(connection, element->path,
322 CONNMAN_CONNECTION_INTERFACE,
323 connection_methods, connection_signals,
324 NULL, element, NULL) == FALSE) {
325 connman_error("Failed to register %s connection", element->path);
329 emit_connections_signal();
334 static void unregister_interface(struct connman_element *element)
336 DBG("element %p name %s", element, element->name);
338 emit_connections_signal();
340 g_dbus_unregister_interface(connection, element->path,
341 CONNMAN_CONNECTION_INTERFACE);
344 static int connection_probe(struct connman_element *element)
346 const char *gateway = NULL;
348 DBG("element %p name %s", element, element->name);
350 if (element->parent == NULL)
353 if (element->parent->type != CONNMAN_ELEMENT_TYPE_IPV4)
356 connman_element_get_value(element,
357 CONNMAN_PROPERTY_ID_IPV4_GATEWAY, &gateway);
359 DBG("gateway %s", gateway);
361 if (register_interface(element) < 0)
367 if (g_slist_length(gateway_list) > 0) {
368 DBG("default gateway already present");
372 set_route(element, gateway);
374 connman_element_set_enabled(element, TRUE);
379 static void connection_remove(struct connman_element *element)
381 const char *gateway = NULL;
383 DBG("element %p name %s", element, element->name);
385 unregister_interface(element);
387 connman_element_get_value(element,
388 CONNMAN_PROPERTY_ID_IPV4_GATEWAY, &gateway);
390 DBG("gateway %s", gateway);
395 del_route(element, gateway);
398 static struct connman_driver connection_driver = {
399 .name = "connection",
400 .type = CONNMAN_ELEMENT_TYPE_CONNECTION,
401 .priority = CONNMAN_DRIVER_PRIORITY_LOW,
402 .probe = connection_probe,
403 .remove = connection_remove,
406 int __connman_connection_init(void)
410 connection = connman_dbus_get_connection();
412 if (connman_rtnl_register(&connection_rtnl) < 0)
413 connman_error("Failed to setup RTNL gateway driver");
415 connman_rtnl_send_getroute();
417 return connman_driver_register(&connection_driver);
420 void __connman_connection_cleanup(void)
426 connman_driver_unregister(&connection_driver);
428 connman_rtnl_unregister(&connection_rtnl);
430 for (list = gateway_list; list; list = list->next) {
431 struct gateway_data *data = list->data;
433 DBG("index %d gateway %s", data->index, data->gateway);
435 g_free(data->gateway);
440 g_slist_free(gateway_list);
443 dbus_connection_unref(connection);