5 * Copyright (C) 2007-2008 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
28 #include <sys/ioctl.h>
29 #include <sys/socket.h>
30 #include <netinet/in.h>
31 #include <arpa/inet.h>
33 #include <net/route.h>
35 #include <linux/netlink.h>
36 #include <linux/rtnetlink.h>
38 #include <connman/plugin.h>
39 #include <connman/driver.h>
40 #include <connman/resolver.h>
41 #include <connman/rtnl.h>
42 #include <connman/log.h>
46 enum connman_ipv4_method {
47 CONNMAN_IPV4_METHOD_UNKNOWN = 0,
48 CONNMAN_IPV4_METHOD_OFF = 1,
49 CONNMAN_IPV4_METHOD_STATIC = 2,
50 CONNMAN_IPV4_METHOD_DHCP = 3,
54 enum connman_ipv4_method method;
55 struct in_addr address;
56 struct in_addr netmask;
57 struct in_addr broadcast;
65 static GSList *gateway_list = NULL;
67 static struct gateway_data *find_gateway(int index, const char *gateway)
74 for (list = gateway_list; list; list = list->next) {
75 struct gateway_data *data = list->data;
77 if (data->gateway == NULL)
80 if (data->index == index &&
81 g_str_equal(data->gateway, gateway) == TRUE)
88 static int set_ipv4(struct connman_element *element,
89 struct connman_ipv4 *ipv4, const char *nameserver)
92 struct sockaddr_in *addr;
95 DBG("element %p ipv4 %p", element, ipv4);
97 sk = socket(PF_INET, SOCK_DGRAM, 0);
101 memset(&ifr, 0, sizeof(ifr));
102 ifr.ifr_ifindex = element->index;
104 if (ioctl(sk, SIOCGIFNAME, &ifr) < 0) {
109 DBG("ifname %s", ifr.ifr_name);
111 addr = (struct sockaddr_in *) &ifr.ifr_addr;
112 addr->sin_family = AF_INET;
113 addr->sin_addr = ipv4->address;
115 err = ioctl(sk, SIOCSIFADDR, &ifr);
118 DBG("address setting failed (%s)", strerror(errno));
120 addr = (struct sockaddr_in *) &ifr.ifr_netmask;
121 addr->sin_family = AF_INET;
122 addr->sin_addr = ipv4->netmask;
124 err = ioctl(sk, SIOCSIFNETMASK, &ifr);
127 DBG("netmask setting failed (%s)", strerror(errno));
129 addr = (struct sockaddr_in *) &ifr.ifr_broadaddr;
130 addr->sin_family = AF_INET;
131 addr->sin_addr = ipv4->broadcast;
133 err = ioctl(sk, SIOCSIFBRDADDR, &ifr);
136 DBG("broadcast setting failed (%s)", strerror(errno));
140 connman_resolver_append(ifr.ifr_name, NULL, nameserver);
145 static int clear_ipv4(struct connman_element *element)
148 struct sockaddr_in *addr;
151 DBG("element %p", element);
153 sk = socket(PF_INET, SOCK_DGRAM, 0);
157 memset(&ifr, 0, sizeof(ifr));
158 ifr.ifr_ifindex = element->index;
160 if (ioctl(sk, SIOCGIFNAME, &ifr) < 0) {
165 DBG("ifname %s", ifr.ifr_name);
167 connman_resolver_remove_all(ifr.ifr_name);
169 addr = (struct sockaddr_in *) &ifr.ifr_addr;
170 addr->sin_family = AF_INET;
171 addr->sin_addr.s_addr = INADDR_ANY;
173 //err = ioctl(sk, SIOCDIFADDR, &ifr);
174 err = ioctl(sk, SIOCSIFADDR, &ifr);
178 if (err < 0 && errno != EADDRNOTAVAIL) {
179 DBG("address removal failed (%s)", strerror(errno));
186 static int set_route(struct connman_element *element, const char *gateway)
190 struct sockaddr_in *addr;
193 DBG("element %p", element);
195 sk = socket(PF_INET, SOCK_DGRAM, 0);
199 memset(&ifr, 0, sizeof(ifr));
200 ifr.ifr_ifindex = element->index;
202 if (ioctl(sk, SIOCGIFNAME, &ifr) < 0) {
207 DBG("ifname %s", ifr.ifr_name);
209 memset(&rt, 0, sizeof(rt));
210 rt.rt_flags = RTF_UP | RTF_GATEWAY;
212 addr = (struct sockaddr_in *) &rt.rt_dst;
213 addr->sin_family = AF_INET;
214 addr->sin_addr.s_addr = INADDR_ANY;
216 addr = (struct sockaddr_in *) &rt.rt_gateway;
217 addr->sin_family = AF_INET;
218 addr->sin_addr.s_addr = inet_addr(gateway);
220 addr = (struct sockaddr_in *) &rt.rt_genmask;
221 addr->sin_family = AF_INET;
222 addr->sin_addr.s_addr = INADDR_ANY;
224 err = ioctl(sk, SIOCADDRT, &rt);
226 DBG("default route setting failed (%s)", strerror(errno));
233 static int del_route(struct connman_element *element, const char *gateway)
237 struct sockaddr_in *addr;
240 DBG("element %p", element);
242 sk = socket(PF_INET, SOCK_DGRAM, 0);
246 memset(&ifr, 0, sizeof(ifr));
247 ifr.ifr_ifindex = element->index;
249 if (ioctl(sk, SIOCGIFNAME, &ifr) < 0) {
254 DBG("ifname %s", ifr.ifr_name);
256 memset(&rt, 0, sizeof(rt));
257 rt.rt_flags = RTF_UP | RTF_GATEWAY;
259 addr = (struct sockaddr_in *) &rt.rt_dst;
260 addr->sin_family = AF_INET;
261 addr->sin_addr.s_addr = INADDR_ANY;
263 addr = (struct sockaddr_in *) &rt.rt_gateway;
264 addr->sin_family = AF_INET;
265 addr->sin_addr.s_addr = inet_addr(gateway);
267 addr = (struct sockaddr_in *) &rt.rt_genmask;
268 addr->sin_family = AF_INET;
269 addr->sin_addr.s_addr = INADDR_ANY;
271 err = ioctl(sk, SIOCDELRT, &rt);
273 DBG("default route removal failed (%s)", strerror(errno));
280 static int conn_probe(struct connman_element *element)
282 const char *gateway = NULL;
284 DBG("element %p name %s", element, element->name);
286 if (element->parent == NULL)
289 if (element->parent->type != CONNMAN_ELEMENT_TYPE_IPV4)
292 connman_element_get_value(element,
293 CONNMAN_PROPERTY_ID_IPV4_GATEWAY, &gateway);
295 DBG("gateway %s", gateway);
300 if (g_slist_length(gateway_list) > 0) {
301 DBG("default already present");
305 set_route(element, gateway);
307 connman_element_set_enabled(element, TRUE);
312 static void conn_remove(struct connman_element *element)
314 DBG("element %p name %s", element, element->name);
317 static int conn_enable(struct connman_element *element)
319 const char *gateway = NULL;
321 DBG("element %p name %s", element, element->name);
323 connman_element_get_value(element,
324 CONNMAN_PROPERTY_ID_IPV4_GATEWAY, &gateway);
326 DBG("gateway %s", gateway);
331 set_route(element, gateway);
336 static int conn_disable(struct connman_element *element)
338 const char *gateway = NULL;
340 DBG("element %p name %s", element, element->name);
342 connman_element_get_value(element,
343 CONNMAN_PROPERTY_ID_IPV4_GATEWAY, &gateway);
345 DBG("gateway %s", gateway);
350 del_route(element, gateway);
355 static struct connman_driver conn_driver = {
356 .name = "ipv4-connection",
357 .type = CONNMAN_ELEMENT_TYPE_CONNECTION,
359 .remove = conn_remove,
360 .enable = conn_enable,
361 .disable = conn_disable,
364 static int ipv4_probe(struct connman_element *element)
366 struct connman_element *connection;
367 struct connman_ipv4 ipv4;
368 const char *address = NULL, *netmask = NULL, *broadcast = NULL;
369 const char *nameserver = NULL;
371 DBG("element %p name %s", element, element->name);
373 connman_element_get_value(element,
374 CONNMAN_PROPERTY_ID_IPV4_ADDRESS, &address);
375 connman_element_get_value(element,
376 CONNMAN_PROPERTY_ID_IPV4_NETMASK, &netmask);
377 connman_element_get_value(element,
378 CONNMAN_PROPERTY_ID_IPV4_BROADCAST, &broadcast);
380 connman_element_get_value(element,
381 CONNMAN_PROPERTY_ID_IPV4_NAMESERVER, &nameserver);
383 DBG("address %s", address);
384 DBG("netmask %s", netmask);
385 DBG("broadcast %s", broadcast);
387 if (address == NULL || netmask == NULL)
390 memset(&ipv4, 0, sizeof(ipv4));
391 ipv4.address.s_addr = inet_addr(address);
392 ipv4.netmask.s_addr = inet_addr(netmask);
393 ipv4.broadcast.s_addr = inet_addr(broadcast);
395 set_ipv4(element, &ipv4, nameserver);
397 connection = connman_element_create(NULL);
399 connection->type = CONNMAN_ELEMENT_TYPE_CONNECTION;
400 connection->index = element->index;
402 if (connman_element_register(connection, element) < 0)
403 connman_element_unref(connection);
408 static void ipv4_remove(struct connman_element *element)
410 DBG("element %p name %s", element, element->name);
415 static struct connman_driver ipv4_driver = {
416 .name = "ipv4-address",
417 .type = CONNMAN_ELEMENT_TYPE_IPV4,
419 .remove = ipv4_remove,
422 static void ipv4_newgateway(int index, const char *gateway)
424 struct gateway_data *data;
426 DBG("index %d gateway %s", index, gateway);
428 data = find_gateway(index, gateway);
432 data = g_try_new0(struct gateway_data, 1);
437 data->gateway = g_strdup(gateway);
439 gateway_list = g_slist_append(gateway_list, data);
442 static void ipv4_delgateway(int index, const char *gateway)
444 struct gateway_data *data;
446 DBG("index %d gateway %s", index, gateway);
448 data = find_gateway(index, gateway);
452 gateway_list = g_slist_remove(gateway_list, data);
454 g_free(data->gateway);
458 static struct connman_rtnl ipv4_rtnl = {
460 .newgateway = ipv4_newgateway,
461 .delgateway = ipv4_delgateway,
464 static int ipv4_init(void)
468 err = connman_rtnl_register(&ipv4_rtnl);
472 connman_rtnl_send_getroute();
474 err = connman_driver_register(&conn_driver);
476 connman_rtnl_unregister(&ipv4_rtnl);
480 err = connman_driver_register(&ipv4_driver);
482 connman_driver_unregister(&conn_driver);
483 connman_rtnl_unregister(&ipv4_rtnl);
489 static void ipv4_exit(void)
493 connman_driver_unregister(&conn_driver);
494 connman_driver_unregister(&ipv4_driver);
496 connman_rtnl_unregister(&ipv4_rtnl);
498 for (list = gateway_list; list; list = list->next) {
499 struct gateway_data *data = list->data;
501 DBG("index %d gateway %s", data->index, data->gateway);
503 g_free(data->gateway);
508 g_slist_free(gateway_list);
512 CONNMAN_PLUGIN_DEFINE(ipv4, "IPv4 configuration plugin", VERSION,
513 ipv4_init, ipv4_exit)