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#!/usr/bin/perl
# DHCP Conf Parser
# Copyright (C) 2002 MandrakeSoft Arnaud Desmons <adesmons@mandrakesoft.com>
#
# 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, 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.
package Dhcpconf;
require "__WIZ_HOME__/common/scripts/Vareqval.pm";
require "__WIZ_HOME__/common/scripts/DrakconnectConf.pm";
use MDK::Common;
use strict;
use standalone;
my $o = DrakconnectConf->new();
my $wiz_ip_server = $o->get_from_known_dev("IP");
my $d = "$4" if $wiz_ip_server =~ /(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})/;
my $s = "$1.$2.$3" if $wiz_ip_server =~ /(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})/;
sub compute_range {
my $n;
if ($d <= 64) { $n = "65" }
elsif ($d <= 128) { $n = "129" }
else { $n = "1"}
"$s.$n";
}
sub compute_range2 {
my $n;
if ($d <= 128) { $n = "254" }
elsif ($d > 192) { $n = "192" }
else { $n = "128"}
"$s.$n";
}
sub check {
# FIXME : see check_range.sh
10;
}
sub do_it {
my $wiz_domain_name = $o->get("DomainName");
my $wiz_host_name = $o->get("SystemName");
my $wiz_ip_net = "$1.$2.$3.0" if $wiz_ip_server =~ /(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})/;
my $wiz_ip_range1 = $ENV{wiz_ip_range1};
my $wiz_ip_range2 = $ENV{wiz_ip_range2};
my $wiz_ip_netmask = $o->get_from_known_dev("Mask");
my $wiz_device = $o->get_device();
# patch to rewrite when got new file about dhcp with INTERFACES value
# currently, I put the device to configure as dhcp server
# in /etc/sysconfig/dhcpd
#[ -f /etc/sysconfig/dhcpd ] && cp -f /etc/sysconfig/dhcpd /var/tmp/wiz_bck/orig/dhcpd
my $file = "/etc/sysconfig/dhcpd";
MDK::Common::cp_af($file, $file.".orig");
$file = "/etc/rc.d/init.d/dhcpd";
# now patching etc/rc.d/init.d/dhcpd
standalone::explanations("now patching etc/rc.d/init.d/dhcpd");
if (!`grep INTERFACES $file`){
MDK::Common::append_to_file($file, "\nINTERFACES=$wiz_device");
MDK::Common::cp_af($file, $file . ".orig");
my $tmp = `mktemp /tmp/Dhcpconf.XXXXXX` or die "can't make a temp file: $!";
open(NEW, "> $tmp") or die "can't open $tmp: $!";
open(OLD, "< $file") or die "can't open default: $!";
while (<OLD>) {
if (m|daemon\s*/usr/sbin/dhcp|) {
print NEW "\tif [ -f /etc/sysconfig/dhcpd ]; then
\t\t. /etc/sysconfig/dhcpd
\t\tDEV=\$INTERFACES
\tfi\n";
}
print NEW $_;
}
close(OLD);
close(NEW);
chomp($tmp);
system("mv $tmp $file");
}
$file = "/etc/dhcpd.conf";
MDK::Common::cp_af($file, $file.".orig");
output($file, map {
s|__hname__|$wiz_host_name|g;
s|__net__|$wiz_ip_net|g;
s|__ip__|$wiz_ip_server|g;
s|__mask__|$wiz_ip_netmask|g;
s|__rng1__|$wiz_ip_range1|g;
s|__rng2__|$wiz_ip_range2|g;
s|__dname__|$wiz_domain_name|g;
$_;
} cat_ ("__WIZ_HOME__/dhcp_wizard/scripts/dhcpd.conf.default"));
standalone::explanations("$file: hname = $wiz_host_name, net = $wiz_ip_net, ip = $wiz_ip_server,
mask = $wiz_ip_netmask, rng1 = $wiz_ip_range1, rng2 = $wiz_ip_range2, dname = $wiz_domain_name");
MDK::Common::touch("/var/dhcpd/dhcpd.leases");
# modifying webmin config
$file="/etc/webmin/dhcpd/config";
if (-f $file) {
my %mdk = Vareqval->get($file);
$mdk{lease_file} = "/var/dhcpd/dhcpd.leases";
$mdk{interfaces} = $wiz_device;
standalone::explanations("$file: lease_file = $mdk{lease_file}, interfaces = $mdk{interfaces}");
Vareqval->commit($file, \%mdk);
}
system("/etc/rc.d/init.d/dhcpd restart");
10;
}
1;
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