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
28 #include <sys/ioctl.h>
29 #include <sys/socket.h>
30 #include <netinet/in.h>
31 #include <arpa/inet.h>
37 enum connman_ipv4_method method;
38 struct in_addr address;
39 struct in_addr netmask;
40 struct in_addr broadcast;
43 static int set_ipv4(struct connman_element *element,
44 struct connman_ipv4 *ipv4, const char *nameserver)
47 struct sockaddr_in *addr;
50 DBG("element %p ipv4 %p", element, ipv4);
52 sk = socket(PF_INET, SOCK_DGRAM, 0);
56 memset(&ifr, 0, sizeof(ifr));
57 ifr.ifr_ifindex = element->index;
59 if (ioctl(sk, SIOCGIFNAME, &ifr) < 0) {
64 DBG("ifname %s", ifr.ifr_name);
66 addr = (struct sockaddr_in *) &ifr.ifr_addr;
67 addr->sin_family = AF_INET;
68 addr->sin_addr = ipv4->address;
70 err = ioctl(sk, SIOCSIFADDR, &ifr);
73 DBG("address setting failed (%s)", strerror(errno));
75 addr = (struct sockaddr_in *) &ifr.ifr_netmask;
76 addr->sin_family = AF_INET;
77 addr->sin_addr = ipv4->netmask;
79 err = ioctl(sk, SIOCSIFNETMASK, &ifr);
82 DBG("netmask setting failed (%s)", strerror(errno));
84 addr = (struct sockaddr_in *) &ifr.ifr_broadaddr;
85 addr->sin_family = AF_INET;
86 addr->sin_addr = ipv4->broadcast;
88 err = ioctl(sk, SIOCSIFBRDADDR, &ifr);
91 DBG("broadcast setting failed (%s)", strerror(errno));
95 if (nameserver == NULL)
96 connman_error("No nameserver for %s defined", ifr.ifr_name);
98 connman_resolver_append(ifr.ifr_name, NULL, nameserver);
103 static int clear_ipv4(struct connman_element *element)
106 struct sockaddr_in *addr;
109 DBG("element %p", element);
111 sk = socket(PF_INET, SOCK_DGRAM, 0);
115 memset(&ifr, 0, sizeof(ifr));
116 ifr.ifr_ifindex = element->index;
118 if (ioctl(sk, SIOCGIFNAME, &ifr) < 0) {
123 DBG("ifname %s", ifr.ifr_name);
125 connman_resolver_remove_all(ifr.ifr_name);
127 addr = (struct sockaddr_in *) &ifr.ifr_addr;
128 addr->sin_family = AF_INET;
129 addr->sin_addr.s_addr = INADDR_ANY;
131 //err = ioctl(sk, SIOCDIFADDR, &ifr);
132 err = ioctl(sk, SIOCSIFADDR, &ifr);
136 if (err < 0 && errno != EADDRNOTAVAIL) {
137 DBG("address removal failed (%s)", strerror(errno));
144 static char *index2name(int index)
152 sk = socket(PF_INET, SOCK_DGRAM, 0);
156 memset(&ifr, 0, sizeof(ifr));
157 ifr.ifr_ifindex = index;
159 err = ioctl(sk, SIOCGIFNAME, &ifr);
166 return strdup(ifr.ifr_name);
169 static int ipv4_probe(struct connman_element *element)
171 struct connman_element *connection;
172 struct connman_ipv4 ipv4;
173 const char *address = NULL, *netmask = NULL, *broadcast = NULL;
174 const char *nameserver = NULL;
176 DBG("element %p name %s", element, element->name);
178 connman_element_get_value(element,
179 CONNMAN_PROPERTY_ID_IPV4_ADDRESS, &address);
180 connman_element_get_value(element,
181 CONNMAN_PROPERTY_ID_IPV4_NETMASK, &netmask);
182 connman_element_get_value(element,
183 CONNMAN_PROPERTY_ID_IPV4_BROADCAST, &broadcast);
185 connman_element_get_value(element,
186 CONNMAN_PROPERTY_ID_IPV4_NAMESERVER, &nameserver);
188 DBG("address %s", address);
189 DBG("netmask %s", netmask);
190 DBG("broadcast %s", broadcast);
192 if (address == NULL || netmask == NULL)
195 memset(&ipv4, 0, sizeof(ipv4));
196 ipv4.address.s_addr = inet_addr(address);
197 ipv4.netmask.s_addr = inet_addr(netmask);
198 ipv4.broadcast.s_addr = inet_addr(broadcast);
200 set_ipv4(element, &ipv4, nameserver);
202 connection = connman_element_create(NULL);
204 connection->type = CONNMAN_ELEMENT_TYPE_CONNECTION;
205 connection->index = element->index;
206 connection->devname = index2name(element->index);
208 if (connman_element_register(connection, element) < 0)
209 connman_element_unref(connection);
214 static void ipv4_remove(struct connman_element *element)
216 DBG("element %p name %s", element, element->name);
221 static struct connman_driver ipv4_driver = {
223 .type = CONNMAN_ELEMENT_TYPE_IPV4,
224 .priority = CONNMAN_DRIVER_PRIORITY_LOW,
226 .remove = ipv4_remove,
229 int __connman_ipv4_init(void)
231 return connman_driver_register(&ipv4_driver);
234 void __connman_ipv4_cleanup(void)
236 connman_driver_unregister(&ipv4_driver);