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netcfg-static.c

/* 
   netcfg-static.c - Configure a static network for the debian-installer

   Copyright (C) 2000-2002  David Kimdon <dwhedon@debian.org>
   
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.
   
   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
   
*/
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include <cdebconf/debconfclient.h>
#include <debian-installer.h>
#include "netcfg.h"

int main(int argc, char** argv)
{
    int num_interfaces = 0;
    static struct debconfclient *client;
    static int requested_wireless_tools = 0;

    enum { BACKUP, GET_INTERFACE, GET_HOSTNAME_ONLY, GET_STATIC, WCONFIG, WCONFIG_ESSID, WCONFIG_WEP, QUIT} state = GET_INTERFACE;
    
    /* initialize libd-i */
    di_system_init("netcfg-static");

    parse_args(argc, argv);
    reap_old_files();
    open_sockets();
    
    /* initialize debconf */
    client = debconfclient_new();
    debconf_capb(client, "backup");

    while (1) {
      switch(state) {
      case BACKUP:
          return 10;
      case GET_INTERFACE:
          if (netcfg_get_interface(client, &interface, &num_interfaces, NULL))
            state = BACKUP;
          else if (! interface || ! num_interfaces)
            state = GET_HOSTNAME_ONLY;
          else
          {
            if (is_wireless_iface(interface))
            state = WCONFIG;
            else
              state = GET_STATIC;
          }
          break;
      case GET_HOSTNAME_ONLY:
          if(netcfg_get_hostname(client, "netcfg/get_hostname", &hostname, 0))
            state = BACKUP;
          else
          {
            struct in_addr null_ipaddress;
            null_ipaddress.s_addr = 0;
            netcfg_write_common(null_ipaddress, hostname, NULL);
            return 0;
          }
          break;
      case GET_STATIC:
          if (netcfg_get_static(client)) 
            state = (num_interfaces == 1) ? BACKUP : GET_INTERFACE;
          else
            state = QUIT;
          break;
          
      case WCONFIG:
            if (requested_wireless_tools == 0)
            {
              requested_wireless_tools = 1;
              di_exec_shell("apt-install wireless-tools");
            }
          state = WCONFIG_ESSID;
          break;

      case WCONFIG_ESSID:
          if (netcfg_wireless_set_essid (client, interface, NULL))
            state = BACKUP;
          else
            state = WCONFIG_WEP;
          break;

      case WCONFIG_WEP:
            if (netcfg_wireless_set_wep (client, interface))
              state = WCONFIG_ESSID;
          else
            state = GET_STATIC;
          break;

      case QUIT:
          return 0;
      }
    }

    return 0;
}

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