vcs.maemo.org Git - connman/blob - plugins/resolvconf.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2008  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 <errno.h>
  27 #include <unistd.h>
  28 #include <stdlib.h>
  29
  30 #include <connman/plugin.h>
  31 #include <connman/resolver.h>
  32 #include <connman/log.h>
  33
  34 #include <glib.h>
  35
  36 #define RESOLVCONF "/sbin/resolvconf"
  37
  38 static int resolvconf_append(const char *interface, const char *domain,
  39                                                         const char *server)
  40 {
  41         char *cmd;
  42         int err;
  43
  44         DBG("interface %s server %s", interface, server);
  45
  46         if (access(RESOLVCONF, X_OK) < 0)
  47                 return -errno;
  48
  49         cmd = g_strdup_printf("echo \"nameserver %s\" | %s -a %s",
  50                                                 server, RESOLVCONF, interface);
  51
  52         DBG("%s", cmd);
  53
  54         err = system(cmd);
  55
  56         g_free(cmd);
  57
  58         return err;
  59 }
  60
  61 static int resolvconf_remove(const char *interface, const char *domain,
  62                                                         const char *server)
  63 {
  64         char *cmd;
  65         int err;
  66
  67         DBG("interface %s server %s", interface, server);
  68
  69         cmd = g_strdup_printf("%s -d %s", RESOLVCONF, interface);
  70
  71         DBG("%s", cmd);
  72
  73         err = system(cmd);
  74
  75         g_free(cmd);
  76
  77         return err;
  78 }
  79
  80 static struct connman_resolver resolvconf_resolver = {
  81         .name           = "resolvconf",
  82         .priority       = CONNMAN_RESOLVER_PRIORITY_DEFAULT,
  83         .append         = resolvconf_append,
  84         .remove         = resolvconf_remove,
  85 };
  86
  87 static int resolvconf_init(void)
  88 {
  89         return connman_resolver_register(&resolvconf_resolver);
  90 }
  91
  92 static void resolvconf_exit(void)
  93 {
  94         connman_resolver_unregister(&resolvconf_resolver);
  95 }
  96
  97 CONNMAN_PLUGIN_DEFINE(resolvconf, "Name resolver plugin", VERSION,
  98                                         resolvconf_init, resolvconf_exit)