scripts/udhcpc-script.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2009  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 <stdio.h>
  27 #include <stdlib.h>
  28 #include <string.h>
  29
  30 #include <dbus/dbus.h>
  31
  32 #define UDHCPC_INTF  "net.busybox.udhcpc"
  33 #define UDHCPC_PATH  "/net/busybox/udhcpc"
  34
  35 int main(int argc, char *argv[])
  36 {
  37         DBusConnection *conn;
  38         DBusError error;
  39         DBusMessage *msg;
  40         char *busname, *interface, *address, *netmask, *broadcast;
  41         char *gateway, *dns;
  42
  43         if (argc < 2)
  44                 return 0;
  45
  46         if (strcmp(argv[1], "bound") != 0 && strcmp(argv[1], "renew") != 0)
  47                 return 0;
  48
  49         busname = "org.moblin.connman";
  50
  51         interface = getenv("interface");
  52
  53         address = getenv("ip");
  54         if (address == NULL)
  55                 address = "";
  56
  57         netmask = getenv("subnet");
  58         if (netmask == NULL)
  59                 netmask = "";
  60
  61         broadcast = getenv("broadcast");
  62         if (broadcast == NULL)
  63                 broadcast = "";
  64
  65         gateway = getenv("router");
  66         if (gateway == NULL)
  67                 gateway = "";
  68
  69         dns = getenv("dns");
  70         if (dns == NULL)
  71                 dns = "";
  72
  73         dbus_error_init(&error);
  74
  75         conn = dbus_bus_get(DBUS_BUS_SYSTEM, &error);
  76         if (conn == NULL) {
  77                 if (dbus_error_is_set(&error) == TRUE) {
  78                         fprintf(stderr, "%s\n", error.message);
  79                         dbus_error_free(&error);
  80                 } else
  81                         fprintf(stderr, "Failed to get on system bus\n");
  82                 return 0;
  83         }
  84
  85         msg = dbus_message_new_method_call(busname, UDHCPC_PATH,
  86                                                 UDHCPC_INTF, argv[1]);
  87         if (msg == NULL) {
  88                 dbus_connection_unref(conn);
  89                 fprintf(stderr, "Failed to allocate method call\n");
  90                 return 0;
  91         }
  92
  93         dbus_message_set_no_reply(msg, TRUE);
  94
  95         dbus_message_append_args(msg, DBUS_TYPE_STRING, &interface,
  96                                         DBUS_TYPE_STRING, &address,
  97                                         DBUS_TYPE_STRING, &netmask,
  98                                         DBUS_TYPE_STRING, &broadcast,
  99                                         DBUS_TYPE_STRING, &gateway,
 100                                         DBUS_TYPE_STRING, &dns,
 101                                                         DBUS_TYPE_INVALID);
 102
 103         if (dbus_connection_send(conn, msg, NULL) == FALSE)
 104                 fprintf(stderr, "Failed to send message\n");
 105
 106         dbus_connection_flush(conn);
 107
 108         dbus_message_unref(msg);
 109
 110         dbus_connection_unref(conn);
 111
 112         return 0;
 113 }