5 * Copyright (C) 2007-2010 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
31 #define CONNMAN_API_SUBJECT_TO_CHANGE
32 #include <connman/plugin.h>
33 #include <connman/dhcp.h>
34 #include <connman/utsname.h>
35 #include <connman/log.h>
37 #include <gdhcp/gdhcp.h>
39 static void dhcp_debug(const char *str, void *data)
41 connman_info("%s: %s\n", (const char *) data, str);
44 static void no_lease_cb(GDHCPClient *dhcp_client, gpointer user_data)
46 struct connman_dhcp *dhcp = user_data;
48 DBG("No lease available");
50 connman_dhcp_fail(dhcp);
53 static void lease_lost_cb(GDHCPClient *dhcp_client, gpointer user_data)
58 static void lease_available_cb(GDHCPClient *dhcp_client, gpointer user_data)
60 struct connman_dhcp *dhcp = user_data;
61 GList *list, *option = NULL;
62 char *address, *nameservers;
65 DBG("Lease available");
67 address = g_dhcp_client_get_address(dhcp_client);
69 connman_dhcp_set_value(dhcp, "Address", address);
71 option = g_dhcp_client_get_option(dhcp_client, G_DHCP_SUBNET);
73 connman_dhcp_set_value(dhcp, "Netmask", option->data);
75 option = g_dhcp_client_get_option(dhcp_client, G_DHCP_DNS_SERVER);
76 for (list = option; list; list = list->next)
77 ns_strlen += strlen((char *) list->data) + 2;
78 nameservers = g_try_malloc0(ns_strlen);
80 char *ns_index = nameservers;
82 for (list = option; list; list = list->next) {
83 sprintf(ns_index, "%s ", (char *) list->data);
84 ns_index += strlen((char *) list->data) + 1;
87 connman_dhcp_set_value(dhcp, "Nameserver", nameservers);
91 option = g_dhcp_client_get_option(dhcp_client, G_DHCP_DOMAIN_NAME);
93 connman_dhcp_set_value(dhcp, "Domainname", option->data);
95 option = g_dhcp_client_get_option(dhcp_client, G_DHCP_ROUTER);
97 connman_dhcp_set_value(dhcp, "Gateway", option->data);
99 option = g_dhcp_client_get_option(dhcp_client, G_DHCP_HOST_NAME);
101 connman_dhcp_set_value(dhcp, "Hostname", option->data);
103 option = g_dhcp_client_get_option(dhcp_client, 252);
105 connman_dhcp_set_value(dhcp, "PAC", option->data);
107 connman_dhcp_bound(dhcp);
110 static int dhcp_request(struct connman_dhcp *dhcp)
112 GDHCPClient *dhcp_client;
113 GDHCPClientError error;
114 const char *hostname;
117 DBG("dhcp %p", dhcp);
119 index = connman_dhcp_get_index(dhcp);
121 dhcp_client = g_dhcp_client_new(G_DHCP_IPV4, index, &error);
122 if (error != G_DHCP_CLIENT_ERROR_NONE)
125 if (getenv("CONNMAN_DHCP_DEBUG"))
126 g_dhcp_client_set_debug(dhcp_client, dhcp_debug, "DHCP");
128 hostname = connman_utsname_get_hostname();
129 if (hostname != NULL)
130 g_dhcp_client_set_send(dhcp_client, G_DHCP_HOST_NAME, hostname);
132 g_dhcp_client_set_request(dhcp_client, G_DHCP_HOST_NAME);
133 g_dhcp_client_set_request(dhcp_client, G_DHCP_SUBNET);
134 g_dhcp_client_set_request(dhcp_client, G_DHCP_DNS_SERVER);
135 g_dhcp_client_set_request(dhcp_client, G_DHCP_DOMAIN_NAME);
136 g_dhcp_client_set_request(dhcp_client, G_DHCP_NTP_SERVER);
137 g_dhcp_client_set_request(dhcp_client, G_DHCP_ROUTER);
138 g_dhcp_client_set_request(dhcp_client, 252);
140 g_dhcp_client_register_event(dhcp_client,
141 G_DHCP_CLIENT_EVENT_LEASE_AVAILABLE,
142 lease_available_cb, dhcp);
144 g_dhcp_client_register_event(dhcp_client,
145 G_DHCP_CLIENT_EVENT_LEASE_LOST, lease_lost_cb, dhcp);
147 g_dhcp_client_register_event(dhcp_client,
148 G_DHCP_CLIENT_EVENT_NO_LEASE, no_lease_cb, dhcp);
150 connman_dhcp_set_data(dhcp, dhcp_client);
152 g_dhcp_client_ref(dhcp_client);
154 return g_dhcp_client_start(dhcp_client);
157 static int dhcp_release(struct connman_dhcp *dhcp)
159 GDHCPClient *dhcp_client = connman_dhcp_get_data(dhcp);
161 DBG("dhcp %p", dhcp);
163 g_dhcp_client_stop(dhcp_client);
164 g_dhcp_client_unref(dhcp_client);
169 static struct connman_dhcp_driver dhcp_driver = {
171 .priority = CONNMAN_DHCP_PRIORITY_DEFAULT,
172 .request = dhcp_request,
173 .release = dhcp_release,
176 static int dhcp_init(void)
178 return connman_dhcp_driver_register(&dhcp_driver);
181 static void dhcp_exit(void)
183 connman_dhcp_driver_unregister(&dhcp_driver);
186 CONNMAN_PLUGIN_DEFINE(dhcp, "Generic DHCP plugin", VERSION,
187 CONNMAN_PLUGIN_PRIORITY_DEFAULT, dhcp_init, dhcp_exit)