You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

201 lines
4.8 KiB

/*
netcfg-dhcp.c - Configure a network via dhcp for the debian-installer
Author - David Whedon
Copyright (C) 2000-2001 David Whedon <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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <ctype.h>
#include <net/if.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <cdebconf/debconfclient.h>
#include "utils.h"
#include "netcfg.h"
static char *interface = NULL;
static char *hostname = NULL;
static char *domain = NULL;
static u_int32_t ipaddress = 0;
static u_int32_t nameserver_array[4] = { 0 };
static struct debconfclient *client;
enum
{
PUMP,
DHCLIENT,
}
dhcp_client_choices;
int dhcp_client = PUMP;
static char *dhcp_hostname = NULL;
char *
debconf_input (char *priority, char *template)
{
client->command (client, "fset", template, "seen", "false", NULL);
client->command (client, "input", priority, template, NULL);
client->command (client, "go", NULL);
client->command (client, "get", template, NULL);
return client->value;
}
static void
netcfg_get_dhcp ()
{
if (dhcp_hostname)
free (dhcp_hostname);
client->command (client, "input", "high", "netcfg/dhcp_hostname", NULL);
client->command (client, "go", NULL);
client->command (client, "get", "netcfg/dhcp_hostname", NULL);
if (client->value)
dhcp_hostname = strdup (client->value);
client->command (client, "subst", "netcfg/confirm_dhcp",
"dhcp_hostname",
(dhcp_hostname ? dhcp_hostname : "<none>"), NULL);
}
static void
netcfg_write_dhcp ()
{
FILE *fp;
if ((fp = file_open (INTERFACES_FILE)))
{
fprintf (fp,
"\n# This entry was created during the Debian installation\n");
fprintf (fp, "iface %s inet dhcp\n", interface);
fclose (fp);
}
if (dhcp_client == DHCLIENT)
{
if (dhcp_hostname)
if ((fp = file_open (DHCLIENT_FILE)))
{
fprintf (fp,
"\n# dhclient configuration: created during the Debian installation\n\
interface \"%s\" {\nsend host-name \"%s\";\n}\n",
interface, dhcp_hostname);
fclose (fp);
}
}
/* else if (dhcp_client == PUMP) {
nothing to do?
}
*/
}
static void
netcfg_activate_dhcp ()
{
char buf[128];
char *ptr;
execlog ("/sbin/ifconfig lo 127.0.0.1");
ptr = buf;
if (dhcp_client == PUMP)
{
ptr += snprintf (buf, sizeof (buf), "/sbin/pump -i %s", interface);
if (dhcp_hostname)
ptr +=
snprintf (ptr, sizeof (buf) - (ptr - buf), " -h %s", dhcp_hostname);
}
else /* dhcp_client == DHCLIENT */
ptr += snprintf (buf, sizeof (buf), "/sbin/dhclient %s", interface);
if (execlog (buf))
netcfg_die (client);
}
int
main (int argc, char *argv[])
{
char *ptr;
char *nameservers = NULL;
int finished = 0;
struct stat buf;
client = debconfclient_new ();
client->command (client, "title", "DHCP Network Configuration", NULL);
if (stat ("/sbin/dhclient", &buf) == 0)
dhcp_client = DHCLIENT;
else if (stat ("/sbin/pump", &buf) == 0)
dhcp_client = PUMP;
else
{
client->command (client, "input", "critical", "netcfg/no_dhcp_client",
NULL);
client->command (client, "go", NULL);
exit (1);
}
do
{
netcfg_get_common (client, &interface, &hostname, &domain,
&nameservers);
client->command (client, "subst", "netcfg/confirm_dhcp", "interface",
interface, NULL);
client->command (client, "subst", "netcfg/confirm_dhcp", "hostname",
hostname, NULL);
client->command (client, "subst", "netcfg/confirm_dhcp", "domain",
(domain ? domain : "<none>"), NULL);
netcfg_nameservers_to_array (nameservers, nameserver_array);
client->command (client, "subst", "netcfg/confirm_dhcp",
"nameservers", (nameservers ? nameservers : "<none>"),
NULL);
netcfg_get_dhcp ();
ptr = debconf_input ("medium", "netcfg/confirm_dhcp");
if (strstr (ptr, "true"))
finished = 1;
}
while (!finished);
netcfg_write_dhcp ();
netcfg_write_common (ipaddress, domain, hostname, nameserver_array);
debconf_input ("medium", "netcfg/do_dhcp");
netcfg_activate_dhcp ();
return 0;
}