src/dhcp.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007  Intel Corporation. All rights reserved.
   6  *
   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.
  10  *
  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.
  15  *
  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
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <arpa/inet.h>
  27
  28 #include <glib.h>
  29
  30 #include "connman.h"
  31
  32 static GSList *drivers = NULL;
  33
  34 int connman_dhcp_register(struct connman_dhcp_driver *driver)
  35 {
  36         DBG("driver %p", driver);
  37
  38         drivers = g_slist_append(drivers, driver);
  39
  40         return 0;
  41 }
  42
  43 void connman_dhcp_unregister(struct connman_dhcp_driver *driver)
  44 {
  45         DBG("driver %p", driver);
  46
  47         drivers = g_slist_remove(drivers, driver);
  48 }
  49
  50 int connman_dhcp_update(struct connman_iface *iface,
  51                                 enum connman_dhcp_state state,
  52                                         struct connman_ipv4 *ipv4)
  53 {
  54         DBG("iface %p state %d", iface, state);
  55
  56         if (state == CONNMAN_DHCP_STATE_BOUND) {
  57                 DBG("address %s", inet_ntoa(ipv4->address));
  58                 DBG("netmask %s", inet_ntoa(ipv4->netmask));
  59                 DBG("gateway %s", inet_ntoa(ipv4->gateway));
  60                 DBG("network %s", inet_ntoa(ipv4->network));
  61                 DBG("broadcast %s", inet_ntoa(ipv4->broadcast));
  62                 DBG("nameserver %s", inet_ntoa(ipv4->nameserver));
  63
  64                 ipv4->method = CONNMAN_IPV4_METHOD_DHCP;
  65
  66                 connman_iface_set_ipv4(iface, ipv4);
  67                 iface->ipv4 = *ipv4;
  68
  69                 connman_iface_indicate_configured(iface);
  70         }
  71
  72         return 0;
  73 }
  74
  75 int __connman_dhcp_request(struct connman_iface *iface)
  76 {
  77         struct connman_dhcp_driver *driver = g_slist_nth_data(drivers, 0);
  78
  79         if (iface->flags & CONNMAN_IFACE_FLAG_DHCP)
  80                 return -1;
  81
  82         if (driver && driver->request) {
  83                 iface->flags |= CONNMAN_IFACE_FLAG_DHCP;
  84                 return driver->request(iface);
  85         }
  86
  87         return -1;
  88 }
  89
  90 int __connman_dhcp_release(struct connman_iface *iface)
  91 {
  92         struct connman_dhcp_driver *driver = g_slist_nth_data(drivers, 0);
  93
  94         if (!(iface->flags & CONNMAN_IFACE_FLAG_DHCP))
  95                 return -1;
  96
  97         if (driver && driver->release) {
  98                 iface->flags &= ~CONNMAN_IFACE_FLAG_DHCP;
  99                 return driver->release(iface);
 100         }
 101
 102         return -1;
 103 }