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/*
*
* Connection Manager
*
* Copyright (C) 2007-2010 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#define CONNMAN_API_SUBJECT_TO_CHANGE
#include <connman/plugin.h>
#include <connman/dhcp.h>
#include <connman/utsname.h>
#include <connman/log.h>
#include <gdhcp/gdhcp.h>
static void dhcp_debug(const char *str, void *data)
{
connman_info("%s: %s\n", (const char *) data, str);
}
static void no_lease_cb(GDHCPClient *dhcp_client, gpointer user_data)
{
struct connman_dhcp *dhcp = user_data;
DBG("No lease available");
connman_dhcp_fail(dhcp);
}
static void lease_lost_cb(GDHCPClient *dhcp_client, gpointer user_data)
{
DBG("Lease lost");
}
static void lease_available_cb(GDHCPClient *dhcp_client, gpointer user_data)
{
struct connman_dhcp *dhcp = user_data;
GList *list, *option = NULL;
char *address, *nameservers;
size_t ns_strlen = 0;
DBG("Lease available");
address = g_dhcp_client_get_address(dhcp_client);
if (address != NULL)
connman_dhcp_set_value(dhcp, "Address", address);
option = g_dhcp_client_get_option(dhcp_client, G_DHCP_SUBNET);
if (option != NULL)
connman_dhcp_set_value(dhcp, "Netmask", option->data);
option = g_dhcp_client_get_option(dhcp_client, G_DHCP_DNS_SERVER);
for (list = option; list; list = list->next)
ns_strlen += strlen((char *) list->data) + 2;
nameservers = g_try_malloc0(ns_strlen);
if (nameservers) {
char *ns_index = nameservers;
for (list = option; list; list = list->next) {
sprintf(ns_index, "%s ", (char *) list->data);
ns_index += strlen((char *) list->data) + 1;
}
connman_dhcp_set_value(dhcp, "Nameserver", nameservers);
}
g_free(nameservers);
option = g_dhcp_client_get_option(dhcp_client, G_DHCP_DOMAIN_NAME);
if (option != NULL)
connman_dhcp_set_value(dhcp, "Domainname", option->data);
option = g_dhcp_client_get_option(dhcp_client, G_DHCP_ROUTER);
if (option != NULL)
connman_dhcp_set_value(dhcp, "Gateway", option->data);
option = g_dhcp_client_get_option(dhcp_client, G_DHCP_HOST_NAME);
if (option != NULL)
connman_dhcp_set_value(dhcp, "Hostname", option->data);
option = g_dhcp_client_get_option(dhcp_client, 252);
if (option != NULL)
connman_dhcp_set_value(dhcp, "PAC", option->data);
connman_dhcp_bound(dhcp);
}
static int dhcp_request(struct connman_dhcp *dhcp)
{
GDHCPClient *dhcp_client;
GDHCPClientError error;
const char *hostname;
int index;
DBG("dhcp %p", dhcp);
index = connman_dhcp_get_index(dhcp);
dhcp_client = g_dhcp_client_new(G_DHCP_IPV4, index, &error);
if (error != G_DHCP_CLIENT_ERROR_NONE)
return -EINVAL;
if (getenv("CONNMAN_DHCP_DEBUG"))
g_dhcp_client_set_debug(dhcp_client, dhcp_debug, "DHCP");
hostname = connman_utsname_get_hostname();
if (hostname != NULL)
g_dhcp_client_set_send(dhcp_client, G_DHCP_HOST_NAME, hostname);
g_dhcp_client_set_request(dhcp_client, G_DHCP_HOST_NAME);
g_dhcp_client_set_request(dhcp_client, G_DHCP_SUBNET);
g_dhcp_client_set_request(dhcp_client, G_DHCP_DNS_SERVER);
g_dhcp_client_set_request(dhcp_client, G_DHCP_DOMAIN_NAME);
g_dhcp_client_set_request(dhcp_client, G_DHCP_NTP_SERVER);
g_dhcp_client_set_request(dhcp_client, G_DHCP_ROUTER);
g_dhcp_client_set_request(dhcp_client, 252);
g_dhcp_client_register_event(dhcp_client,
G_DHCP_CLIENT_EVENT_LEASE_AVAILABLE,
lease_available_cb, dhcp);
g_dhcp_client_register_event(dhcp_client,
G_DHCP_CLIENT_EVENT_LEASE_LOST, lease_lost_cb, dhcp);
g_dhcp_client_register_event(dhcp_client,
G_DHCP_CLIENT_EVENT_NO_LEASE, no_lease_cb, dhcp);
connman_dhcp_set_data(dhcp, dhcp_client);
g_dhcp_client_ref(dhcp_client);
return g_dhcp_client_start(dhcp_client);
}
static int dhcp_release(struct connman_dhcp *dhcp)
{
GDHCPClient *dhcp_client = connman_dhcp_get_data(dhcp);
DBG("dhcp %p", dhcp);
g_dhcp_client_stop(dhcp_client);
g_dhcp_client_unref(dhcp_client);
return 0;
}
static struct connman_dhcp_driver dhcp_driver = {
.name = "dhcp",
.priority = CONNMAN_DHCP_PRIORITY_DEFAULT,
.request = dhcp_request,
.release = dhcp_release,
};
static int dhcp_init(void)
{
return connman_dhcp_driver_register(&dhcp_driver);
}
static void dhcp_exit(void)
{
connman_dhcp_driver_unregister(&dhcp_driver);
}
CONNMAN_PLUGIN_DEFINE(dhcp, "Generic DHCP plugin", VERSION,
CONNMAN_PLUGIN_PRIORITY_LOW, dhcp_init, dhcp_exit)
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