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.
 
 
 
 

263 lines
8.8 KiB

/*
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., 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 <debian-installer.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 u_int32_t network = 0;
static u_int32_t broadcast = 0;
static u_int32_t netmask = 0;
static u_int32_t gateway = 0;
static u_int32_t pointopoint = 0;
static struct debconfclient *client;
static char *none;
static char *my_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_static()
{
char *ptr;
ipaddress = network = broadcast = netmask = gateway = pointopoint =
0;
ptr = my_debconf_input("critical", "netcfg/get_ipaddress");
dot2num(&ipaddress, ptr);
client->command(client, "subst", "netcfg/confirm_static",
"ipaddress",
(ipaddress ? num2dot(ipaddress) : none), NULL);
if (strncmp(interface, "plip", 4) == 0
|| strncmp(interface, "slip", 4) == 0
|| strncmp(interface, "ctc", 3) == 0
|| strncmp(interface, "escon", 5) == 0
|| strncmp(interface, "iucv", 4) == 0) {
ptr = my_debconf_input("critical", "netcfg/get_pointopoint");
dot2num(&pointopoint, ptr);
dot2num(&netmask, "255.255.255.255");
network = ipaddress;
gateway = pointopoint;
} else {
ptr = my_debconf_input("critical", "netcfg/get_netmask");
dot2num(&netmask, ptr);
gateway = ipaddress & netmask;
client->command(client, "set", "netcfg/get_gateway",
num2dot(gateway+1), NULL);
ptr = my_debconf_input("critical", "netcfg/get_gateway");
dot2num(&gateway, ptr);
network = ipaddress & netmask;
if (gateway && ((gateway & netmask) != network)) {
client->command(client, "input", "high",
"netcfg/gateway_unreachable",
NULL);
client->command(client, "go", NULL);
}
}
client->command(client, "subst", "netcfg/confirm_static",
"netmask", (netmask ? num2dot(netmask) : none),
NULL);
client->command(client, "subst", "netcfg/confirm_static",
"gateway", (gateway ? num2dot(gateway) : none),
NULL);
client->command(client, "subst", "netcfg/confirm_static",
"pointopoint",
(pointopoint ? num2dot(pointopoint) : none),
NULL);
broadcast = (network | ~netmask);
}
static int netcfg_write_static()
{
FILE *fp;
if ((fp = file_open(NETWORKS_FILE, "w"))) {
fprintf(fp, "localnet %s\n", num2dot(network));
fclose(fp);
di_prebaseconfig_append("40netcfg-static", "cp %s %s\n",
NETWORKS_FILE,
"/target" NETWORKS_FILE);
} else
goto error;
if ((fp = file_open(INTERFACES_FILE, "a"))) {
fprintf(fp,
"\n# This entry was created during the Debian installation\n");
fprintf(fp,
"# (network, broadcast and gateway are optional)\n");
fprintf(fp, "auto %s\n", interface);
fprintf(fp, "iface %s inet static\n", interface);
fprintf(fp, "\taddress %s\n", num2dot(ipaddress));
fprintf(fp, "\tnetmask %s\n", num2dot(netmask));
fprintf(fp, "\tnetwork %s\n", num2dot(network));
fprintf(fp, "\tbroadcast %s\n", num2dot(broadcast));
if (gateway)
fprintf(fp, "\tgateway %s\n", num2dot(gateway));
if (pointopoint)
fprintf(fp, "\tpointopoint %s\n",
num2dot(pointopoint));
fclose(fp);
} else
goto error;
return 0;
error:
return -1;
}
static int netcfg_activate_static()
{
int rv = 0;
char buf[256];
#ifdef __GNU__
/* I had to do something like this ? */
/* di_execlog ("settrans /servers/socket/2 -fg"); */
di_execlog("settrans /servers/socket/2 --goaway");
snprintf(buf, sizeof(buf),
"settrans -fg /servers/socket/2 /hurd/pfinet --interface=%s --address=%s",
interface, num2dot(ipaddress));
di_snprintfcat(buf, sizeof(buf), " --netmask=%s",
num2dot(netmask));
buf[sizeof(buf) - 1] = '\0';
if (gateway)
snprintf(buf, sizeof(buf), " --gateway=%s",
num2dot(gateway));
rv |= di_execlog(buf);
#else
di_execlog("/sbin/ifconfig lo 127.0.0.1");
snprintf(buf, sizeof(buf), "/sbin/ifconfig %s %s",
interface, num2dot(ipaddress));
di_snprintfcat(buf, sizeof(buf), " netmask %s", num2dot(netmask));
di_snprintfcat(buf, sizeof(buf), " broadcast %s",
num2dot(broadcast));
buf[sizeof(buf) - 1] = '\0';
if (pointopoint)
di_snprintfcat(buf, sizeof(buf), " pointopoint %s",
num2dot(pointopoint));
rv |= di_execlog(buf);
if (gateway) {
snprintf(buf, sizeof(buf),
"/sbin/route add default gateway %s",
num2dot(gateway));
rv |= di_execlog(buf);
}
#endif
if (rv != 0) {
client->command(client, "input", "critical",
"netcfg/error_cfg", NULL);
client->command(client, "go", NULL);
}
return 0;
}
int main(int argc, char *argv[])
{
int finished = 0;
char *ptr;
char *nameservers = NULL;
client = debconfclient_new();
client->command(client, "SETTITLE", "netcfg/static-title", NULL);
client->command(client, "METAGET", "netcfg/internal-none", "description", NULL);
none = client->value ? strdup(client->value) : strdup("<none>");
do {
netcfg_get_common(client, &interface, &hostname, &domain,
&nameservers);
client->command(client, "subst", "netcfg/confirm_static",
"interface", interface, NULL);
client->command(client, "subst", "netcfg/confirm_static",
"hostname", hostname, NULL);
client->command(client, "subst", "netcfg/confirm_static",
"domain", (domain ? domain : none),
NULL);
client->command(client, "subst", "netcfg/confirm_static",
"nameservers",
(nameservers ? nameservers : none),
NULL);
netcfg_nameservers_to_array(nameservers, nameserver_array);
netcfg_get_static();
ptr = my_debconf_input("medium", "netcfg/confirm_static");
if (strstr(ptr, "true"))
finished = 1;
}
while (!finished);
netcfg_write_common("40netcfg-static", ipaddress, domain, hostname,
nameserver_array);
netcfg_write_static();
netcfg_activate_static();
return 0;
}