#!/usr/bin/perl

package Clientconf;
require "__WIZ_HOME__/common/scripts/Vareqval.pm";
use MDK::Common;
use strict;

sub	up_serial {
    my	($file) = @_;
    
    my	$serial_nbm = `date +%Y%m%d00`			or die "date not found: $!";
    my  $tmp = `mktemp /tmp/Dnsconf.XXXXXX`		or die "can't make a temp file: $!";
    chomp($tmp);
    open(OLD, "< $file")				or die "can't open $file: $!";
    open(NEW, "> $tmp")					or die "can't open $tmp: $!";
    while (<OLD>) {
	if (/^([[:space:]]*)([0-9]*)([[:space:]]*;[[:space:]]*Serial.*)$/) {
	    my $serial_f = $2;
	    $serial_f++;
	    if ($serial_f <= $serial_nbm) {
		$serial_f = $serial_nbm;
		chomp($serial_f);
		$_ = "$1$serial_f$3\n";
	    }
	}
	print NEW $_;
    }
    close(OLD)	                or die "can't close $file: $!";
    close(NEW)                  or die "can't close $tmp: $!";
    MDK::Common::cp_af($tmp, $file);
    MDK::Common::rm_rf($tmp);
}

sub	do_it {
    my $date = `date`;
    chomp($date);
    my %mdk = Vareqval->get("/etc/sysconfig/mdk_serv");
    my $wiz_domain_name = $mdk{wiz_domain_name}	if defined $mdk{wiz_domain_name} or
	die "wiz_domain_name not in /etc/sysconfig/mdk_serv";
    my $wiz_device = $mdk{wiz_device}		if defined $mdk{wiz_device} or
	die "wiz_device not in /etc/sysconfig/mdk_serv";
    %mdk = Vareqval->get("/etc/sysconfig/network-scripts/ifcfg-".$wiz_device);
    my $wiz_ip_net = $mdk{NETWORK}		if defined $mdk{NETWORK} or 
	die "NETWORK not in /etc/sysconfig/network-scripts/ifcfg-".$wiz_device;
    my $wiz_ip_server = $mdk{IPADDR}		if defined $mdk{IPADDR} or 
	die "IPADDR not in /etc/sysconfig/network-scripts/ifcfg-".$wiz_device;
    my $wiz_client_ip = $ENV{wiz_client_ip}	if defined $ENV{wiz_client_ip} or 
	die "wiz_client_ip not in env";
    my $wiz_client_name = $ENV{wiz_client_name}	if defined $ENV{wiz_client_name} or 
	die "wiz_client_name not in env";
    my $s_trunc = "$1.$2.$3" if $wiz_ip_net =~ /(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})/ or
	die "bad wiz_ip_net";
    my $ds = "$4" if $wiz_ip_server =~ /(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})/ or
	die "bad wiz_ip_server";
    my $dc = "$4" if $wiz_client_ip =~ /(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})/ or
	die "bad wiz_client_ip";

    my $file="/var/named/$wiz_domain_name.db";
    MDK::Common::cp_af($file, $file.".orig");
    open(NEW, ">> $file")	or die "can not open $file";
    print NEW "\n$wiz_client_name	IN A $wiz_client_ip ; $date";
    close(NEW)			or die "can not close $file";
    up_serial($file);

    my $file="/var/named/$s_trunc.rev";
    MDK::Common::cp_af($file, $file.".orig");
    open(NEW, ">> $file")	or die "can not open $file";
    print NEW "\n$dc IN PTR $wiz_client_name. ; $date";
    close(NEW)			or die "can not close $file";
    up_serial($file);
    system("/etc/rc.d/init.d/named restart");
    10;
}
1;