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#!/usr/bin/perl
# DNS Config 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 Dnsconf;
require "__WIZ_HOME__/common/scripts/Vareqval.pm";
require "__WIZ_HOME__/common/scripts/IFCFG.pm";
use MDK::Common;
use strict;
use standalone;
my $o = IFCFG->new();
my $dns1;
my $dns2;
sub get_root {
my $file = "/etc/sysconfig/named";
if (-f $file) {
my %mdk = Vareqval->get($file);
return $mdk{ROOTDIR};
}
"";
}
my $file = "/etc/named.conf";
if (-f $file) {
open (NEW, "< $file");
DNS : while (<NEW>) {
$dns2 = "";
if (m/^\s*options\s*\{/s...m/^\s*\}\;/s ) {
if (m/^\s*forwarders\s*\{/s...m/^\s*\}\;/s ) {
if (/(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})/) {
$dns2 = "$1.$2.$3.$4";
$dns1 and next DNS;
$dns1 = $dns2;
}
}
}
}
close (NEW);
}
sub get_dns1 {
$dns1;
}
sub get_dns2 {
$dns2;
}
sub up_serial {
my ($file) = @_;
my $serial_nbm = `date +%Y%m%d00` or die "date not found: $!";
output($file, map {
my $line = $_;
if (/^(\s*)(\d*)(\s*;\s*Serial.*)$/) {
my $serial_f = $2;
$serial_f++;
if ($serial_f <= $serial_nbm) {
$serial_f = $serial_nbm;
chomp($serial_f);
$line = "$1$serial_f$3\n";
}
}
$line;
} cat_($file));
}
sub do_it {
my $wiz_ip_server = $o->itf_get("IPADDR");
my $wiz_domain_name = $o->network_get("DOMAINNAME");
my $wiz_host_name = $o->network_get("HOSTNAME");
my $s_trunc = "$1.$2.$3" if $wiz_ip_server =~ /(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})/;
my $ds = "$4" if $wiz_ip_server =~ /(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})/;
my $host = "$1" if $wiz_host_name =~ /(.*?)\..*/;
my $reversnet = "$3$2$1" if $wiz_ip_server =~ /(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})/;
my $file = "/etc/host.conf";
MDK::Common::cp_af($file, $file.".orig");
MDK::Common::cp_af("__WIZ_HOME__/dns_wizard/scripts/host.conf.default", $file);
$file = "/etc/named.conf";
-f $file and MDK::Common::cp_af($file, $file.".orig");
my $ispns1 = $ENV{wiz_ext_dns1} || "// __ISPN1__";
my $ispns2 = $ENV{wiz_ext_dns2} || "// __ISPN2__";
output($file, map {
s|__ISPNS1__|$ispns1|g;
s|__ISPNS2__|$ispns2|g;
s|__dname__|$wiz_domain_name|g;
s|__revnet__|$reversnet|g;
s|__net__|$s_trunc|g;
$_;
} cat_("__WIZ_HOME__/dns_wizard/scripts/named.conf.default"));
standalone::explanations("$file : DNS1: $ispns1 DNS2: $ispns2");
# Bug fix for bind 9:
if (! -f "/etc/rndc.key") { system("touch /etc/rndc.key") or die "can not touch /etc/rndc.key"};
# root.hints
$file="/var/named/root.hints";
-f $file and MDK::Common::cp_af($file, $file . ".orig");
MDK::Common::cp_af("__WIZ_HOME__/dns_wizard/scripts/root.hints.default", $file);
standalone::explanations("$file clobbered");
# 127.0.0.rev
$file="/var/named/127.0.0.rev";
-f $file and MDK::Common::cp_af($file, $file . ".orig");
output($file, map {
s|__hname__|$wiz_host_name|g;
$_;
} cat_("__WIZ_HOME__/dns_wizard/scripts/127.0.0.rev.default"));
standalone::explanations("$file : hostname: $wiz_host_name");
up_serial($file);
# $ipnet.rev
$file = "/var/named/$s_trunc.rev";
-f $file and MDK::Common::cp_af($file, $file.".orig");
output($file, map {
s|__dname__|$wiz_domain_name|g;
s|__hname__|$wiz_host_name|g;
s|__revnet__|$reversnet|g;
s|__nb__|$ds|g;
$_;
} cat_("__WIZ_HOME__/dns_wizard/scripts/ipnet.rev.default"));
up_serial($file);
standalone::explanations("$file : domain: $wiz_domain_name hostname: $wiz_host_name revnet: $reversnet
nb: $ds");
# $domain.db
$file = "/var/named/$wiz_domain_name.db";
-f $file and MDK::Common::cp_af($file, $file.".orig");
output($file, map {
s|__dname__|$wiz_domain_name|g;
s|__hname__|$wiz_host_name|g;
s|__ip__|$wiz_ip_server|g;
s|__host__|$host|g;
s|__nb__|$ds|g;
$_;
} cat_("__WIZ_HOME__/dns_wizard/scripts/domain.db.default"));
up_serial($file);
standalone::explanations("$file : domain: $wiz_domain_name hostname: $wiz_host_name revnet: $reversnet
nb: $ds");
# resolv.conf
$file = "/etc/resolv.conf";
-f $file and MDK::Common::cp_af($file, $file.".orig");
open(NEW, "> $file");
print NEW "domain $wiz_domain_name\n";
print NEW "nameserver $wiz_ip_server\n";
standalone::explanations("$file : domain: $wiz_domain_name nameserver: $wiz_ip_server");
system("/sbin/chkconfig --level 235 named on");
system("/etc/rc.d/init.d/named restart");
10;
}
1;
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