#!/usr/bin/perl

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

sub	do_it {
    my	$file = "/etc/sysconfig/mdk_serv";
    my %mdk = Vareqval->get($file);
    my $wiz_domain_name = $mdk{wiz_domain_name}	if defined $mdk{wiz_domain_name} or
	die "wiz_domain_name not in $file";
    my $wiz_host_name = $mdk{wiz_host_name}	if defined $mdk{wiz_host_name} or 
	die "wiz_host_name not in $file";
    my $wiz_device = $mdk{wiz_device}		if defined $mdk{wiz_device} or
	die "wiz_device not in $file";
    $mdk{wiz_ext_mail_relay} = $ENV{wiz_ext_mail_relay}		if defined $ENV{wiz_ext_mail_relay} or
	die "wiz_ext_mail_relay not in env";
    $mdk{wiz_mail_masquerade} = $ENV{wiz_mail_masquerade}	if defined $ENV{wiz_mail_masquerade} or
	die "wiz_mail_masquerade not in env";
    Vareqval->commit($file, \%mdk);
    my @conf = qw(/etc/postfix/aliases
		  /etc/postfix/canonical
		  /etc/postfix/main.cf
		  /etc/postfix/master.cf
		  /etc/postfix/virtual);
    foreach (@conf) {
        (-f $_) and MDK::Common::cp_af($_, $_.".orig");
    }
    @conf = ("myhostname = $wiz_host_name",
	     'myorigin = $mydomain',
	     'inet_interfaces = all',
	     'mydestination = $myhostname, localhost.$mydomain, $mydomain',
	     'masquerade_domains = $mydomain',
	     'alias_maps = hash:/etc/postfix/aliases',
	     'alias_database = hash:/etc/postfix/aliases',
	     'virtual_maps = hash:/etc/postfix/virtual',
	     'canonical_maps = hash:/etc/postfix/canonical',
	     "relayhost = $ENV{wiz_ext_mail_relay}"
	     );
    foreach (@conf) {
	system("postconf -e \'$_\'");
    }
    if (defined $ENV{wiz_ext_mail_relay}) {
	$file = "/etc/postfix/canonical";
	open(CANONICAL, "< $file");
	while (<CANONICAL>) {
	    if (/\@$ENV{wiz_domain_name}\s*\@$ENV{wiz_mail_masquerade}/){
		goto NOUPDATE; 
	    }
	}
	close(CANONICAL);
	open(CANONICAL, ">> $file");
	print CANONICAL "\n\@$ENV{wiz_domain_name} \@$ENV{wiz_mail_masquerade}";
      NOUPDATE:
	close(CANONICAL);
    }
    system("postmap /etc/postfix/canonical");
    system("postmap /etc/postfix/virtual");
    system("postalias /etc/postfix/aliases");
    system("postfix check");
    system("service postfix restart");
    system("service xinetd restart");
}