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/log.h>
45 enum connman_ipv4_method {
46 CONNMAN_IPV4_METHOD_UNKNOWN = 0,
47 CONNMAN_IPV4_METHOD_OFF = 1,
48 CONNMAN_IPV4_METHOD_STATIC = 2,
49 CONNMAN_IPV4_METHOD_DHCP = 3,
53 enum connman_ipv4_method method;
54 struct in_addr address;
55 struct in_addr netmask;
56 struct in_addr gateway;
57 struct in_addr network;
58 struct in_addr broadcast;
59 struct in_addr nameserver;
62 static int set_ipv4(struct connman_element *element,
63 struct connman_ipv4 *ipv4, const char *nameserver)
67 struct sockaddr_in *addr;
70 DBG("element %p ipv4 %p", element, ipv4);
72 sk = socket(PF_INET, SOCK_DGRAM, 0);
76 memset(&ifr, 0, sizeof(ifr));
77 ifr.ifr_ifindex = element->index;
79 if (ioctl(sk, SIOCGIFNAME, &ifr) < 0) {
84 DBG("ifname %s", ifr.ifr_name);
86 addr = (struct sockaddr_in *) &ifr.ifr_addr;
87 addr->sin_family = AF_INET;
88 addr->sin_addr = ipv4->address;
90 err = ioctl(sk, SIOCSIFADDR, &ifr);
93 DBG("address setting failed (%s)", strerror(errno));
95 addr = (struct sockaddr_in *) &ifr.ifr_netmask;
96 addr->sin_family = AF_INET;
97 addr->sin_addr = ipv4->netmask;
99 err = ioctl(sk, SIOCSIFNETMASK, &ifr);
102 DBG("netmask setting failed (%s)", strerror(errno));
104 addr = (struct sockaddr_in *) &ifr.ifr_broadaddr;
105 addr->sin_family = AF_INET;
106 addr->sin_addr = ipv4->broadcast;
108 err = ioctl(sk, SIOCSIFBRDADDR, &ifr);
111 DBG("broadcast setting failed (%s)", strerror(errno));
113 memset(&rt, 0, sizeof(rt));
114 rt.rt_flags = RTF_UP | RTF_GATEWAY;
116 addr = (struct sockaddr_in *) &rt.rt_dst;
117 addr->sin_family = AF_INET;
118 addr->sin_addr.s_addr = INADDR_ANY;
120 addr = (struct sockaddr_in *) &rt.rt_gateway;
121 addr->sin_family = AF_INET;
122 addr->sin_addr = ipv4->gateway;
124 addr = (struct sockaddr_in *) &rt.rt_genmask;
125 addr->sin_family = AF_INET;
126 addr->sin_addr.s_addr = INADDR_ANY;
128 err = ioctl(sk, SIOCADDRT, &rt);
133 DBG("default route failed (%s)", strerror(errno));
137 connman_resolver_append(ifr.ifr_name, NULL, nameserver);
142 static int clear_ipv4(struct connman_element *element)
145 struct sockaddr_in *addr;
148 DBG("element %p", element);
150 sk = socket(PF_INET, SOCK_DGRAM, 0);
154 memset(&ifr, 0, sizeof(ifr));
155 ifr.ifr_ifindex = element->index;
157 if (ioctl(sk, SIOCGIFNAME, &ifr) < 0) {
162 DBG("ifname %s", ifr.ifr_name);
164 connman_resolver_remove_all(ifr.ifr_name);
166 addr = (struct sockaddr_in *) &ifr.ifr_addr;
167 addr->sin_family = AF_INET;
168 addr->sin_addr.s_addr = INADDR_ANY;
170 //err = ioctl(sk, SIOCDIFADDR, &ifr);
171 err = ioctl(sk, SIOCSIFADDR, &ifr);
175 if (err < 0 && errno != EADDRNOTAVAIL) {
176 DBG("address removal failed (%s)", strerror(errno));
183 static int ipv4_probe(struct connman_element *element)
185 struct connman_element *connection;
186 struct connman_ipv4 ipv4;
187 const char *address = NULL, *netmask = NULL, *gateway = NULL;
188 const char *nameserver = NULL;
190 DBG("element %p name %s", element, element->name);
192 connman_element_get_value(element,
193 CONNMAN_PROPERTY_ID_IPV4_ADDRESS, &address);
194 connman_element_get_value(element,
195 CONNMAN_PROPERTY_ID_IPV4_NETMASK, &netmask);
196 connman_element_get_value(element,
197 CONNMAN_PROPERTY_ID_IPV4_GATEWAY, &gateway);
199 connman_element_get_value(element,
200 CONNMAN_PROPERTY_ID_IPV4_NAMESERVER, &nameserver);
202 DBG("address %s", address);
203 DBG("netmask %s", netmask);
204 DBG("gateway %s", gateway);
206 if (address == NULL || netmask == NULL || gateway == NULL)
209 memset(&ipv4, 0, sizeof(ipv4));
210 ipv4.address.s_addr = inet_addr(address);
211 ipv4.netmask.s_addr = inet_addr(netmask);
212 ipv4.gateway.s_addr = inet_addr(gateway);
214 set_ipv4(element, &ipv4, nameserver);
216 connection = connman_element_create(NULL);
218 connection->type = CONNMAN_ELEMENT_TYPE_CONNECTION;
219 connection->index = element->index;
221 connman_element_register(connection, element);
226 static void ipv4_remove(struct connman_element *element)
228 DBG("element %p name %s", element, element->name);
233 static struct connman_driver ipv4_driver = {
235 .type = CONNMAN_ELEMENT_TYPE_IPV4,
237 .remove = ipv4_remove,
240 static int ipv4_init(void)
242 return connman_driver_register(&ipv4_driver);
245 static void ipv4_exit(void)
247 connman_driver_unregister(&ipv4_driver);
250 CONNMAN_PLUGIN_DEFINE(ipv4, "IPv4 configuration plugin", VERSION,
251 ipv4_init, ipv4_exit)