bpfire/html/cgi-bin/proxy.cgi

#!/usr/bin/perl
#
# (c) 2004-2007 marco.s - http://www.advproxy.net
#
# This code is distributed under the terms of the GPL
#
# $Id: advproxy.cgi,v 2.1.0 2007/03/06 00:00:00 marco.s Exp $
#

use strict;

# enable only the following on debugging purpose
use warnings;
use CGI::Carp 'fatalsToBrowser';

require '/var/ipfire/general-functions.pl';
require "${General::swroot}/lang.pl";
require "${General::swroot}/header.pl";

my @squidversion = `/usr/sbin/squid -v`;
my $http_port='81';
my $https_port='444';

my %color = ();
my %mainsettings = ();
&General::readhash("${General::swroot}/main/settings", \%mainsettings);
&General::readhash("/srv/web/ipfire/html/themes/".$mainsettings{'THEME'}."/include/colors.txt", \%color);

my %proxysettings=();
my %netsettings=();
my %filtersettings=();
my %xlratorsettings=();
my %stdproxysettings=();
my %mainsettings=();

my %checked=();
my %selected=();

my @throttle_limits=(64,128,256,384,512,1024,2048,3072,5120);
my $throttle_binary="bin|cab|exe|gz|rar|sea|tar|tgz|zip";
my $throttle_dskimg="b5t|bin|bwt|ccd|cdi|cue|gho|img|iso|mds|nrg|pqi";
my $throttle_mmedia="aiff?|asf|avi|divx|mov|mp3|mpe?g|qt|ra?m";

my $def_ports_safe="80 # http\n21 # ftp\n443 # https\n563 # snews\n70 # gopher\n210 # wais\n1025-65535 # unregistered ports\n280 # http-mgmt\n488 # gss-http\n591 # filemaker\n777 # multiling http\n800 # Squids port (for icons)\n";
my $def_ports_ssl="443 # https\n563 # snews\n";

my @useragent=();
my @useragentlist=();

my $hintcolour='#FFFFCC';
my $ncsa_buttontext='';
my $language='';
my $i=0;
my $n=0;
my $id=0;
my $line='';
my $user='';
my @userlist=();
my @grouplist=();
my @temp=();
my @templist=();

my $cachemem=0;
my $proxy1='';
my $proxy2='';
my $replybodymaxsize=0;
my $browser_regexp='';
my $needhup = 0;
my $errormessage='';

my $acldir   = "${General::swroot}/proxy/advanced/acls";
my $ncsadir  = "${General::swroot}/proxy/advanced/ncsa";
my $ntlmdir  = "${General::swroot}/proxy/advanced/ntlm";
my $raddir   = "${General::swroot}/proxy/advanced/radius";
my $identdir = "${General::swroot}/proxy/advanced/ident";
my $credir   = "${General::swroot}/proxy/advanced/cre";

my $userdb = "$ncsadir/passwd";
my $stdgrp = "$ncsadir/standard.grp";
my $extgrp = "$ncsadir/extended.grp";
my $disgrp = "$ncsadir/disabled.grp";

my $browserdb = "${General::swroot}/proxy/advanced/useragents";
my $mimetypes = "${General::swroot}/proxy/advanced/mimetypes";
my $throttled_urls = "${General::swroot}/proxy/advanced/throttle";

my $cre_enabled = "${General::swroot}/proxy/advanced/cre/enable";
my $cre_groups  = "${General::swroot}/proxy/advanced/cre/classrooms";
my $cre_svhosts = "${General::swroot}/proxy/advanced/cre/supervisors";

my $identhosts = "$identdir/hosts";

my $authdir  = "/usr/lib/squid/auth";
my $errordir = "/usr/lib/squid/errors";

my $acl_src_subnets = "$acldir/src_subnets.acl";
my $acl_src_banned_ip  = "$acldir/src_banned_ip.acl";
my $acl_src_banned_mac = "$acldir/src_banned_mac.acl";
my $acl_src_unrestricted_ip  = "$acldir/src_unrestricted_ip.acl";
my $acl_src_unrestricted_mac = "$acldir/src_unrestricted_mac.acl";
my $acl_src_noaccess_ip  = "$acldir/src_noaccess_ip.acl";
my $acl_src_noaccess_mac = "$acldir/src_noaccess_mac.acl";
my $acl_dst_nocache  = "$acldir/dst_nocache.acl";
my $acl_dst_noauth   = "$acldir/dst_noauth.acl";
my $acl_dst_throttle = "$acldir/dst_throttle.acl";
my $acl_ports_safe = "$acldir/ports_safe.acl";
my $acl_ports_ssl  = "$acldir/ports_ssl.acl";
my $acl_include = "$acldir/include.acl";

my $updaccelversion  = 'n/a';
my $urlfilterversion = 'n/a';

unless (-d "$acldir")   { mkdir("$acldir"); }
unless (-d "$ncsadir")  { mkdir("$ncsadir"); }
unless (-d "$ntlmdir")  { mkdir("$ntlmdir"); }
unless (-d "$raddir")   { mkdir("$raddir"); }
unless (-d "$identdir") { mkdir("$identdir"); }
unless (-d "$credir")   { mkdir("$credir"); }

unless (-e $cre_groups)  { system("touch $cre_groups"); }
unless (-e $cre_svhosts) { system("touch $cre_svhosts"); }

unless (-e $userdb) { system("touch $userdb"); }
unless (-e $stdgrp) { system("touch $stdgrp"); }
unless (-e $extgrp) { system("touch $extgrp"); }
unless (-e $disgrp) { system("touch $disgrp"); }

unless (-e $acl_src_subnets)    { system("touch $acl_src_subnets"); }
unless (-e $acl_src_banned_ip)  { system("touch $acl_src_banned_ip"); }
unless (-e $acl_src_banned_mac) { system("touch $acl_src_banned_mac"); }
unless (-e $acl_src_unrestricted_ip)  { system("touch $acl_src_unrestricted_ip"); }
unless (-e $acl_src_unrestricted_mac) { system("touch $acl_src_unrestricted_mac"); }
unless (-e $acl_src_noaccess_ip)  { system("touch $acl_src_noaccess_ip"); }
unless (-e $acl_src_noaccess_mac) { system("touch $acl_src_noaccess_mac"); }
unless (-e $acl_dst_nocache)   { system("touch $acl_dst_nocache"); }
unless (-e $acl_dst_noauth)    { system("touch $acl_dst_noauth"); }
unless (-e $acl_dst_throttle)  { system("touch $acl_dst_throttle"); }
unless (-e $acl_ports_safe) { system("touch $acl_ports_safe"); }
unless (-e $acl_ports_ssl)  { system("touch $acl_ports_ssl"); }
unless (-e $acl_include) { system("touch $acl_include"); }

unless (-e $browserdb) { system("touch $browserdb"); }
unless (-e $mimetypes) { system("touch $mimetypes"); }

open FILE, $browserdb;
@useragentlist = sort { reverse(substr(reverse(substr($a,index($a,',')+1)),index(reverse(substr($a,index($a,','))),',')+1)) cmp reverse(substr(reverse(substr($b,index($b,',')+1)),index(reverse(substr($b,index($b,','))),',')+1))} grep !/(^$)|(^\s*#)/,<FILE>;
close(FILE);

&General::readhash("${General::swroot}/ethernet/settings", \%netsettings);
&General::readhash("${General::swroot}/main/settings", \%mainsettings);

$filtersettings{'CHILDREN'} = '5';
if (-e "${General::swroot}/urlfilter/settings") {
	&General::readhash("${General::swroot}/urlfilter/settings", \%filtersettings);
}

$xlratorsettings{'CHILDREN'} = '5';
if (-e "${General::swroot}/updatexlrator/settings") {
	&General::readhash("${General::swroot}/updatexlrator/settings", \%xlratorsettings);
}

&Header::showhttpheaders();

$proxysettings{'ACTION'} = '';
$proxysettings{'VALID'} = '';

$proxysettings{'ENABLE'} = 'off';
$proxysettings{'ENABLE_BLUE'} = 'off';
$proxysettings{'TRANSPARENT'} = 'off';
$proxysettings{'TRANSPARENT_BLUE'} = 'off';
$proxysettings{'PROXY_PORT'} = '800';
$proxysettings{'VISIBLE_HOSTNAME'} = '';
$proxysettings{'ADMIN_MAIL_ADDRESS'} = '';
$proxysettings{'ERR_LANGUAGE'} = 'German';
$proxysettings{'ERR_DESIGN'} = 'ipfire';
$proxysettings{'SUPPRESS_VERSION'} = 'off';
$proxysettings{'FORWARD_VIA'} = 'off';
$proxysettings{'FORWARD_IPADDRESS'} = 'off';
$proxysettings{'FORWARD_USERNAME'} = 'off';
$proxysettings{'NO_CONNECTION_AUTH'} = 'off';
$proxysettings{'UPSTREAM_PROXY'} = '';
$proxysettings{'UPSTREAM_USER'} = '';
$proxysettings{'UPSTREAM_PASSWORD'} = '';
$proxysettings{'LOGGING'} = 'off';
$proxysettings{'LOGQUERY'} = 'off';
$proxysettings{'LOGUSERAGENT'} = 'off';
$proxysettings{'CACHE_MEM'} = '2';
$proxysettings{'CACHE_SIZE'} = '50';
$proxysettings{'MAX_SIZE'} = '4096';
$proxysettings{'MIN_SIZE'} = '0';
$proxysettings{'MEM_POLICY'} = 'LRU';
$proxysettings{'CACHE_POLICY'} = 'LRU';
$proxysettings{'L1_DIRS'} = '16';
$proxysettings{'OFFLINE_MODE'} = 'off';
$proxysettings{'CLASSROOM_EXT'} = 'off';
$proxysettings{'SUPERVISOR_PASSWORD'} = '';
$proxysettings{'NO_PROXY_LOCAL'} = 'off';
$proxysettings{'NO_PROXY_LOCAL_BLUE'} = 'off';
$proxysettings{'TIME_ACCESS_MODE'} = 'allow';
$proxysettings{'TIME_FROM_HOUR'} = '00';
$proxysettings{'TIME_FROM_MINUTE'} = '00';
$proxysettings{'TIME_TO_HOUR'} = '24';
$proxysettings{'TIME_TO_MINUTE'} = '00';
$proxysettings{'MAX_OUTGOING_SIZE'} = '0';
$proxysettings{'MAX_INCOMING_SIZE'} = '0';
$proxysettings{'THROTTLING_GREEN_TOTAL'} = 'unlimited';
$proxysettings{'THROTTLING_GREEN_HOST'} = 'unlimited';
$proxysettings{'THROTTLING_BLUE_TOTAL'} = 'unlimited';
$proxysettings{'THROTTLING_BLUE_HOST'} = 'unlimited';
$proxysettings{'THROTTLE_BINARY'} = 'off';
$proxysettings{'THROTTLE_DSKIMG'} = 'off';
$proxysettings{'THROTTLE_MMEDIA'} = 'off';
$proxysettings{'ENABLE_MIME_FILTER'} = 'off';
$proxysettings{'ENABLE_BROWSER_CHECK'} = 'off';
$proxysettings{'FAKE_USERAGENT'} = '';
$proxysettings{'FAKE_REFERER'} = '';
$proxysettings{'AUTH_METHOD'} = 'none';
$proxysettings{'AUTH_REALM'} = '';
$proxysettings{'AUTH_MAX_USERIP'} = '';
$proxysettings{'AUTH_CACHE_TTL'} = '60';
$proxysettings{'AUTH_IPCACHE_TTL'} = '0';
$proxysettings{'AUTH_CHILDREN'} = '5';
$proxysettings{'NCSA_MIN_PASS_LEN'} = '6';
$proxysettings{'NCSA_BYPASS_REDIR'} = 'off';
$proxysettings{'NCSA_USERNAME'} = '';
$proxysettings{'NCSA_GROUP'} = '';
$proxysettings{'NCSA_PASS'} = '';
$proxysettings{'NCSA_PASS_CONFIRM'} = '';
$proxysettings{'LDAP_BASEDN'} = '';
$proxysettings{'LDAP_TYPE'} = 'ADS';
$proxysettings{'LDAP_SERVER'} = '';
$proxysettings{'LDAP_PORT'} = '389';
$proxysettings{'LDAP_BINDDN_USER'} = '';
$proxysettings{'LDAP_BINDDN_PASS'} = '';
$proxysettings{'LDAP_GROUP'} = '';
$proxysettings{'NTLM_DOMAIN'} = '';
$proxysettings{'NTLM_PDC'} = '';
$proxysettings{'NTLM_BDC'} = '';
$proxysettings{'NTLM_ENABLE_ACL'} = 'off';
$proxysettings{'NTLM_USER_ACL'} = 'positive';
$proxysettings{'RADIUS_SERVER'} = '';
$proxysettings{'RADIUS_PORT'} = '1812';
$proxysettings{'RADIUS_IDENTIFIER'} = '';
$proxysettings{'RADIUS_SECRET'} = '';
$proxysettings{'RADIUS_ENABLE_ACL'} = 'off';
$proxysettings{'RADIUS_USER_ACL'} = 'positive';
$proxysettings{'IDENT_REQUIRED'} = 'off';
$proxysettings{'IDENT_TIMEOUT'} = '10';
$proxysettings{'IDENT_ENABLE_ACL'} = 'off';
$proxysettings{'IDENT_USER_ACL'} = 'positive';
$proxysettings{'ENABLE_FILTER'} = 'off';
$proxysettings{'ENABLE_UPDXLRATOR'} = 'off';

$ncsa_buttontext = $Lang::tr{'advproxy NCSA create user'};

&Header::getcgihash(\%proxysettings);

if ($proxysettings{'THROTTLING_GREEN_TOTAL'} eq 0) {$proxysettings{'THROTTLING_GREEN_TOTAL'} = 'unlimited';}
if ($proxysettings{'THROTTLING_GREEN_HOST'}  eq 0) {$proxysettings{'THROTTLING_GREEN_HOST'}  = 'unlimited';}
if ($proxysettings{'THROTTLING_BLUE_TOTAL'}  eq 0) {$proxysettings{'THROTTLING_BLUE_TOTAL'}  = 'unlimited';}
if ($proxysettings{'THROTTLING_BLUE_HOST'}   eq 0) {$proxysettings{'THROTTLING_BLUE_HOST'}   = 'unlimited';}

if ($proxysettings{'ACTION'} eq $Lang::tr{'advproxy NCSA user management'})
{
	$proxysettings{'NCSA_EDIT_MODE'} = 'yes';
}

if ($proxysettings{'ACTION'} eq $Lang::tr{'add'})
{
	$proxysettings{'NCSA_EDIT_MODE'} = 'yes';
	if (length($proxysettings{'NCSA_PASS'}) < $proxysettings{'NCSA_MIN_PASS_LEN'}) {
		$errormessage = $Lang::tr{'advproxy errmsg password length 1'}.$proxysettings{'NCSA_MIN_PASS_LEN'}.$Lang::tr{'advproxy errmsg password length 2'};
	}
	if (!($proxysettings{'NCSA_PASS'} eq $proxysettings{'NCSA_PASS_CONFIRM'})) {
		$errormessage = $Lang::tr{'advproxy errmsg passwords different'};
	}
	if ($proxysettings{'NCSA_USERNAME'} eq '') {
		$errormessage = $Lang::tr{'advproxy errmsg no username'};
	}
	if (!$errormessage) {
		$proxysettings{'NCSA_USERNAME'} =~ tr/A-Z/a-z/;
		&adduser($proxysettings{'NCSA_USERNAME'}, $proxysettings{'NCSA_PASS'}, $proxysettings{'NCSA_GROUP'});
	}
	$proxysettings{'NCSA_USERNAME'} = '';
	$proxysettings{'NCSA_GROUP'} = '';
	$proxysettings{'NCSA_PASS'} = '';
	$proxysettings{'NCSA_PASS_CONFIRM'} = '';
}

if ($proxysettings{'ACTION'} eq $Lang::tr{'remove'})
{
	$proxysettings{'NCSA_EDIT_MODE'} = 'yes';
	&deluser($proxysettings{'ID'});
}

$checked{'ENABLE_UPDXLRATOR'}{'off'} = '';
$checked{'ENABLE_UPDXLRATOR'}{'on'} = '';
$checked{'ENABLE_UPDXLRATOR'}{$proxysettings{'ENABLE_UPDXLRATOR'}} = "checked='checked'";

if ($proxysettings{'ACTION'} eq $Lang::tr{'edit'})
{
	$proxysettings{'NCSA_EDIT_MODE'} = 'yes';
	$ncsa_buttontext = $Lang::tr{'advproxy NCSA update user'};
	@temp = split(/:/,$proxysettings{'ID'});
	$proxysettings{'NCSA_USERNAME'} = $temp[0];
	$proxysettings{'NCSA_GROUP'} = $temp[1];
	$proxysettings{'NCSA_PASS'} = "lEaVeAlOnE";
	$proxysettings{'NCSA_PASS_CONFIRM'} = $proxysettings{'NCSA_PASS'};
}

if (($proxysettings{'ACTION'} eq $Lang::tr{'save'}) || ($proxysettings{'ACTION'} eq $Lang::tr{'advproxy save and restart'}))
{ 
	if ($proxysettings{'ENABLE'} !~ /^(on|off)$/ || 
	    $proxysettings{'TRANSPARENT'} !~ /^(on|off)$/ || 
	    $proxysettings{'ENABLE_BLUE'} !~ /^(on|off)$/ || 
	    $proxysettings{'TRANSPARENT_BLUE'} !~ /^(on|off)$/ ) {
		$errormessage = $Lang::tr{'invalid input'};
		goto ERROR;
	} 
	if (!(&General::validport($proxysettings{'PROXY_PORT'})))
	{
		$errormessage = $Lang::tr{'advproxy errmsg invalid proxy port'};
		goto ERROR;
	}
	if (!($proxysettings{'CACHE_SIZE'} =~ /^\d+/) ||
		($proxysettings{'CACHE_SIZE'} < 10))
	{
		$errormessage = $Lang::tr{'advproxy errmsg hdd cache size'};
		goto ERROR;
	}
	if (!($proxysettings{'CACHE_MEM'} =~ /^\d+/) ||
		($proxysettings{'CACHE_MEM'} < 1))
	{
		$errormessage = $Lang::tr{'advproxy errmsg mem cache size'};
		goto ERROR;
	}		
	my @free = `/usr/bin/free`;
	$free[1] =~ m/(\d+)/;
	$cachemem = int $1 / 2048;
	if ($proxysettings{'CACHE_MEM'} > $cachemem) {
		$proxysettings{'CACHE_MEM'} = $cachemem;
	}
	if (!($proxysettings{'MAX_SIZE'} =~ /^\d+/))
	{
		$errormessage = $Lang::tr{'invalid maximum object size'};
		goto ERROR;
	}
	if (!($proxysettings{'MIN_SIZE'} =~ /^\d+/))
	{
		$errormessage = $Lang::tr{'invalid minimum object size'};
		goto ERROR;
	}
	if (!($proxysettings{'MAX_OUTGOING_SIZE'} =~ /^\d+/))
	{
		$errormessage = $Lang::tr{'invalid maximum outgoing size'};
		goto ERROR;
	}
	if (!($proxysettings{'TIME_TO_HOUR'}.$proxysettings{'TIME_TO_MINUTE'} gt $proxysettings{'TIME_FROM_HOUR'}.$proxysettings{'TIME_FROM_MINUTE'}))
	{
		$errormessage = $Lang::tr{'advproxy errmsg time restriction'};
		goto ERROR;
	}
	if (!($proxysettings{'MAX_INCOMING_SIZE'} =~ /^\d+/))
	{
		$errormessage = $Lang::tr{'invalid maximum incoming size'};
		goto ERROR;
	}
	if ($proxysettings{'ENABLE_BROWSER_CHECK'} eq 'on')
	{
		$browser_regexp = '';
		foreach (@useragentlist)
		{
			chomp;
			@useragent = split(/,/);
			if ($proxysettings{'UA_'.$useragent[0]} eq 'on') { $browser_regexp .= "$useragent[2]|"; }
		}
		chop($browser_regexp);
		if (!$browser_regexp)
		{
			$errormessage = $Lang::tr{'advproxy errmsg no browser'};
			goto ERROR;
		}
	}
	if (!($proxysettings{'AUTH_METHOD'} eq 'none'))
	{
		unless (($proxysettings{'AUTH_METHOD'} eq 'ident') &&
			($proxysettings{'IDENT_REQUIRED'} eq 'off') &&
			($proxysettings{'IDENT_ENABLE_ACL'} eq 'off'))
		{
			if ($netsettings{'BLUE_DEV'})
			{
				if ((($proxysettings{'ENABLE'} eq 'off') || ($proxysettings{'TRANSPARENT'} eq 'on')) &&
					(($proxysettings{'ENABLE_BLUE'} eq 'off') || ($proxysettings{'TRANSPARENT_BLUE'} eq 'on')))
				{
					$errormessage = $Lang::tr{'advproxy errmsg non-transparent proxy required'};
					goto ERROR;
				}
			} else {
				if (($proxysettings{'ENABLE'} eq 'off') || ($proxysettings{'TRANSPARENT'} eq 'on'))
				{
					$errormessage = $Lang::tr{'advproxy errmsg non-transparent proxy required'};
					goto ERROR;
				}
			}
		}
		if ((!($proxysettings{'AUTH_MAX_USERIP'} eq '')) && 
			((!($proxysettings{'AUTH_MAX_USERIP'} =~ /^\d+/)) || ($proxysettings{'AUTH_MAX_USERIP'} < 1) || ($proxysettings{'AUTH_MAX_USERIP'} > 255)))	
		{
			$errormessage = $Lang::tr{'advproxy errmsg max userip'};
			goto ERROR;
		}
		if (!($proxysettings{'AUTH_CACHE_TTL'} =~ /^\d+/))
		{
			$errormessage = $Lang::tr{'advproxy errmsg auth cache ttl'};
			goto ERROR;
		}
		if (!($proxysettings{'AUTH_IPCACHE_TTL'} =~ /^\d+/))
		{
			$errormessage = $Lang::tr{'advproxy errmsg auth ipcache ttl'};
			goto ERROR;
		}
		if ((!($proxysettings{'AUTH_MAX_USERIP'} eq '')) && ($proxysettings{'AUTH_IPCACHE_TTL'} eq '0'))
		{
			$errormessage = $Lang::tr{'advproxy errmsg auth ipcache may not be null'};
			goto ERROR;
		}
		if ((!($proxysettings{'AUTH_CHILDREN'} =~ /^\d+/)) || ($proxysettings{'AUTH_CHILDREN'} < 1) || ($proxysettings{'AUTH_CHILDREN'} > 255))
		{
			$errormessage = $Lang::tr{'advproxy errmsg auth children'};
			goto ERROR;
		}
	}
	if ($proxysettings{'AUTH_METHOD'} eq 'ncsa')
	{
		if ((!($proxysettings{'NCSA_MIN_PASS_LEN'} =~ /^\d+/)) || ($proxysettings{'NCSA_MIN_PASS_LEN'} < 1) || ($proxysettings{'NCSA_MIN_PASS_LEN'} > 255))
		{
			$errormessage = $Lang::tr{'advproxy errmsg password length'};
			goto ERROR;
		}
	}
	if ($proxysettings{'AUTH_METHOD'} eq 'ident')
	{
		if ((!($proxysettings{'IDENT_TIMEOUT'} =~ /^\d+/)) || ($proxysettings{'IDENT_TIMEOUT'} < 1))
		{
			$errormessage = $Lang::tr{'advproxy errmsg ident timeout'};
			goto ERROR;
		}
	}
	if ($proxysettings{'AUTH_METHOD'} eq 'ldap')
	{
		if ($proxysettings{'LDAP_BASEDN'} eq '')
		{
			$errormessage = $Lang::tr{'advproxy errmsg ldap base dn'};
			goto ERROR;
		}
		if (!&General::validip($proxysettings{'LDAP_SERVER'}))
		{
			$errormessage = $Lang::tr{'advproxy errmsg ldap server'};
			goto ERROR;
		}
		if (!&General::validport($proxysettings{'LDAP_PORT'}))
		{
			$errormessage = $Lang::tr{'advproxy errmsg ldap port'};
			goto ERROR;
		}
		if (($proxysettings{'LDAP_TYPE'} eq 'ADS') || ($proxysettings{'LDAP_TYPE'} eq 'NDS'))
		{
			if (($proxysettings{'LDAP_BINDDN_USER'} eq '') || ($proxysettings{'LDAP_BINDDN_PASS'} eq ''))
			{
				$errormessage = $Lang::tr{'advproxy errmsg ldap bind dn'};
				goto ERROR;
			}
		}
	}
	if ($proxysettings{'AUTH_METHOD'} eq 'ntlm')
	{
		if ($proxysettings{'NTLM_DOMAIN'} eq '')
		{
			$errormessage = $Lang::tr{'advproxy errmsg ntlm domain'};
			goto ERROR;
		}
		if ($proxysettings{'NTLM_PDC'} eq '')
		{
			$errormessage = $Lang::tr{'advproxy errmsg ntlm pdc'};
			goto ERROR;
		}
		if (!&General::validhostname($proxysettings{'NTLM_PDC'}))
		{
			$errormessage = $Lang::tr{'advproxy errmsg invalid pdc'};
			goto ERROR;
		}
		if ((!($proxysettings{'NTLM_BDC'} eq '')) && (!&General::validhostname($proxysettings{'NTLM_BDC'})))
		{
			$errormessage = $Lang::tr{'advproxy errmsg invalid bdc'};
			goto ERROR;
		}
	}
	if ($proxysettings{'AUTH_METHOD'} eq 'radius')
	{
		if (!&General::validip($proxysettings{'RADIUS_SERVER'}))
		{
			$errormessage = $Lang::tr{'advproxy errmsg radius server'};
			goto ERROR;
		}
		if (!&General::validport($proxysettings{'RADIUS_PORT'}))
		{
			$errormessage = $Lang::tr{'advproxy errmsg radius port'};
			goto ERROR;
		}
		if ($proxysettings{'RADIUS_SECRET'} eq '')
		{
			$errormessage = $Lang::tr{'advproxy errmsg radius secret'};
			goto ERROR;
		}
	}

	# Quick parent proxy error checking of username and password info. If username password don't both exist give an error.
	$proxy1 = 'YES';
	$proxy2 = 'YES';
	if (($proxysettings{'UPSTREAM_USER'} eq '')) {$proxy1 = '';}
	if (($proxysettings{'UPSTREAM_PASSWORD'} eq '')) {$proxy2 = '';}
	if ($proxysettings{'UPSTREAM_USER'} eq 'PASS')  {$proxy1=$proxy2='PASS'; $proxysettings{'UPSTREAM_PASSWORD'} = '';}
	if (($proxy1 ne $proxy2))
	{
		$errormessage = $Lang::tr{'advproxy errmsg invalid upstream proxy username or password setting'};
		goto ERROR;
	}

ERROR:
	&check_acls;

	if ($errormessage) {
		$proxysettings{'VALID'} = 'no'; }
	else {
		$proxysettings{'VALID'} = 'yes'; }

	if ($proxysettings{'VALID'} eq 'yes')
	{
		&write_acls;

		delete $proxysettings{'SRC_SUBNETS'};
		delete $proxysettings{'SRC_BANNED_IP'};
		delete $proxysettings{'SRC_BANNED_MAC'};
		delete $proxysettings{'SRC_UNRESTRICTED_IP'};
		delete $proxysettings{'SRC_UNRESTRICTED_MAC'};
		delete $proxysettings{'DST_NOCACHE'};
		delete $proxysettings{'DST_NOAUTH'};
		delete $proxysettings{'PORTS_SAFE'};
		delete $proxysettings{'PORTS_SSL'};
		delete $proxysettings{'MIME_TYPES'};
		delete $proxysettings{'NTLM_ALLOW_USERS'};
		delete $proxysettings{'NTLM_DENY_USERS'};
		delete $proxysettings{'RADIUS_ALLOW_USERS'};
		delete $proxysettings{'RADIUS_DENY_USERS'};
		delete $proxysettings{'IDENT_HOSTS'};
		delete $proxysettings{'IDENT_ALLOW_USERS'};
		delete $proxysettings{'IDENT_DENY_USERS'};

		delete $proxysettings{'CRE_GROUPS'};
		delete $proxysettings{'CRE_SVHOSTS'};

		delete $proxysettings{'NCSA_USERNAME'};
		delete $proxysettings{'NCSA_GROUP'};
		delete $proxysettings{'NCSA_PASS'};
		delete $proxysettings{'NCSA_PASS_CONFIRM'};

		$proxysettings{'TIME_MON'} = 'off' unless exists $proxysettings{'TIME_MON'};
		$proxysettings{'TIME_TUE'} = 'off' unless exists $proxysettings{'TIME_TUE'};
		$proxysettings{'TIME_WED'} = 'off' unless exists $proxysettings{'TIME_WED'};
		$proxysettings{'TIME_THU'} = 'off' unless exists $proxysettings{'TIME_THU'};
		$proxysettings{'TIME_FRI'} = 'off' unless exists $proxysettings{'TIME_FRI'};
		$proxysettings{'TIME_SAT'} = 'off' unless exists $proxysettings{'TIME_SAT'};
		$proxysettings{'TIME_SUN'} = 'off' unless exists $proxysettings{'TIME_SUN'};

		$proxysettings{'AUTH_ALWAYS_REQUIRED'} = 'off' unless exists $proxysettings{'AUTH_ALWAYS_REQUIRED'};
		$proxysettings{'NTLM_ENABLE_INT_AUTH'} = 'off' unless exists $proxysettings{'NTLM_ENABLE_INT_AUTH'};

		&General::writehash("${General::swroot}/proxy/advanced/settings", \%proxysettings);

		if (-e "${General::swroot}/proxy/settings") { &General::readhash("${General::swroot}/proxy/settings", \%stdproxysettings); }
		$stdproxysettings{'PROXY_PORT'} = $proxysettings{'PROXY_PORT'};
		$stdproxysettings{'ENABLE_FILTER'} = $proxysettings{'ENABLE_FILTER'};
		$stdproxysettings{'ENABLE_UPDXLRATOR'} = $proxysettings{'ENABLE_UPDXLRATOR'};
		&General::writehash("${General::swroot}/proxy/settings", \%stdproxysettings);

		&writeconfig;
		&writepacfile;

		system ('/usr/local/bin/squidctrl', 'disable');
		unlink "${General::swroot}/proxy/enable";
		unlink "${General::swroot}/proxy/transparent";
		unlink "${General::swroot}/proxy/enable_blue";
		unlink "${General::swroot}/proxy/transparent_blue";

		if ($proxysettings{'ENABLE'} eq 'on') {
			system ('/usr/bin/touch', "${General::swroot}/proxy/enable");
			system ('/usr/local/bin/squidctrl', 'enable'); }
		if ($proxysettings{'TRANSPARENT'} eq 'on') {
			system ('/usr/bin/touch', "${General::swroot}/proxy/transparent"); }
		if ($proxysettings{'ENABLE_BLUE'} eq 'on') {
			system ('/usr/bin/touch', "${General::swroot}/proxy/enable_blue");
			system ('/usr/local/bin/squidctrl', 'enable'); }
		if ($proxysettings{'TRANSPARENT_BLUE'} eq 'on') {
			system ('/usr/bin/touch', "${General::swroot}/proxy/transparent_blue"); }

		if ($proxysettings{'ACTION'} eq $Lang::tr{'advproxy save and restart'}) { system('/usr/local/bin/squidctrl restart >/dev/null 2>&1'); }
	}
}

if ($proxysettings{'ACTION'} eq $Lang::tr{'advproxy clear cache'})
{
	system('/usr/local/bin/squidctrl flush >/dev/null 2>&1');
}

if (!$errormessage)
{
 	if (-e "${General::swroot}/proxy/advanced/settings") {
		&General::readhash("${General::swroot}/proxy/advanced/settings", \%proxysettings);
	} elsif (-e "${General::swroot}/proxy/settings") {
		&General::readhash("${General::swroot}/proxy/settings", \%proxysettings);
	}
	&read_acls;
}

$checked{'ENABLE'}{'off'} = '';
$checked{'ENABLE'}{'on'} = '';
$checked{'ENABLE'}{$proxysettings{'ENABLE'}} = "checked='checked'";

$checked{'TRANSPARENT'}{'off'} = '';
$checked{'TRANSPARENT'}{'on'} = '';
$checked{'TRANSPARENT'}{$proxysettings{'TRANSPARENT'}} = "checked='checked'";

$checked{'ENABLE_BLUE'}{'off'} = '';
$checked{'ENABLE_BLUE'}{'on'} = '';
$checked{'ENABLE_BLUE'}{$proxysettings{'ENABLE_BLUE'}} = "checked='checked'";

$checked{'TRANSPARENT_BLUE'}{'off'} = '';
$checked{'TRANSPARENT_BLUE'}{'on'} = '';
$checked{'TRANSPARENT_BLUE'}{$proxysettings{'TRANSPARENT_BLUE'}} = "checked='checked'";

$checked{'SUPPRESS_VERSION'}{'off'} = '';
$checked{'SUPPRESS_VERSION'}{'on'} = '';
$checked{'SUPPRESS_VERSION'}{$proxysettings{'SUPPRESS_VERSION'}} = "checked='checked'";

$checked{'FORWARD_IPADDRESS'}{'off'} = '';
$checked{'FORWARD_IPADDRESS'}{'on'} = '';
$checked{'FORWARD_IPADDRESS'}{$proxysettings{'FORWARD_IPADDRESS'}} = "checked='checked'";
$checked{'FORWARD_USERNAME'}{'off'} = '';
$checked{'FORWARD_USERNAME'}{'on'} = '';
$checked{'FORWARD_USERNAME'}{$proxysettings{'FORWARD_USERNAME'}} = "checked='checked'";
$checked{'FORWARD_VIA'}{'off'} = '';
$checked{'FORWARD_VIA'}{'on'} = '';
$checked{'FORWARD_VIA'}{$proxysettings{'FORWARD_VIA'}} = "checked='checked'";
$checked{'NO_CONNECTION_AUTH'}{'off'} = '';
$checked{'NO_CONNECTION_AUTH'}{'on'} = '';
$checked{'NO_CONNECTION_AUTH'}{$proxysettings{'NO_CONNECTION_AUTH'}} = "checked='checked'";

$selected{'MEM_POLICY'}{$proxysettings{'MEM_POLICY'}} = "selected='selected'";
$selected{'CACHE_POLICY'}{$proxysettings{'CACHE_POLICY'}} = "selected='selected'";
$selected{'L1_DIRS'}{$proxysettings{'L1_DIRS'}} = "selected='selected'";
$checked{'OFFLINE_MODE'}{'off'} = '';
$checked{'OFFLINE_MODE'}{'on'} = '';
$checked{'OFFLINE_MODE'}{$proxysettings{'OFFLINE_MODE'}} = "checked='checked'";

$checked{'LOGGING'}{'off'} = '';
$checked{'LOGGING'}{'on'} = '';
$checked{'LOGGING'}{$proxysettings{'LOGGING'}} = "checked='checked'";
$checked{'LOGQUERY'}{'off'} = '';
$checked{'LOGQUERY'}{'on'} = '';
$checked{'LOGQUERY'}{$proxysettings{'LOGQUERY'}} = "checked='checked'";
$checked{'LOGUSERAGENT'}{'off'} = '';
$checked{'LOGUSERAGENT'}{'on'} = '';
$checked{'LOGUSERAGENT'}{$proxysettings{'LOGUSERAGENT'}} = "checked='checked'";

$selected{'ERR_LANGUAGE'}{$proxysettings{'ERR_LANGUAGE'}} = "selected='selected'";
$selected{'ERR_DESIGN'}{$proxysettings{'ERR_DESIGN'}} = "selected='selected'";

$checked{'NO_PROXY_LOCAL'}{'off'} = '';
$checked{'NO_PROXY_LOCAL'}{'on'} = '';
$checked{'NO_PROXY_LOCAL'}{$proxysettings{'NO_PROXY_LOCAL'}} = "checked='checked'";
$checked{'NO_PROXY_LOCAL_BLUE'}{'off'} = '';
$checked{'NO_PROXY_LOCAL_BLUE'}{'on'} = '';
$checked{'NO_PROXY_LOCAL_BLUE'}{$proxysettings{'NO_PROXY_LOCAL_BLUE'}} = "checked='checked'";

$checked{'CLASSROOM_EXT'}{'off'} = '';
$checked{'CLASSROOM_EXT'}{'on'} = '';
$checked{'CLASSROOM_EXT'}{$proxysettings{'CLASSROOM_EXT'}} = "checked='checked'";

$selected{'TIME_ACCESS_MODE'}{$proxysettings{'TIME_ACCESS_MODE'}} = "selected='selected'";
$selected{'TIME_FROM_HOUR'}{$proxysettings{'TIME_FROM_HOUR'}} = "selected='selected'";
$selected{'TIME_FROM_MINUTE'}{$proxysettings{'TIME_FROM_MINUTE'}} = "selected='selected'";
$selected{'TIME_TO_HOUR'}{$proxysettings{'TIME_TO_HOUR'}} = "selected='selected'";
$selected{'TIME_TO_MINUTE'}{$proxysettings{'TIME_TO_MINUTE'}} = "selected='selected'";

$proxysettings{'TIME_MON'} = 'on' unless exists $proxysettings{'TIME_MON'};
$proxysettings{'TIME_TUE'} = 'on' unless exists $proxysettings{'TIME_TUE'};
$proxysettings{'TIME_WED'} = 'on' unless exists $proxysettings{'TIME_WED'};
$proxysettings{'TIME_THU'} = 'on' unless exists $proxysettings{'TIME_THU'};
$proxysettings{'TIME_FRI'} = 'on' unless exists $proxysettings{'TIME_FRI'};
$proxysettings{'TIME_SAT'} = 'on' unless exists $proxysettings{'TIME_SAT'};
$proxysettings{'TIME_SUN'} = 'on' unless exists $proxysettings{'TIME_SUN'};

$checked{'TIME_MON'}{'off'} = '';
$checked{'TIME_MON'}{'on'} = '';
$checked{'TIME_MON'}{$proxysettings{'TIME_MON'}} = "checked='checked'";
$checked{'TIME_TUE'}{'off'} = '';
$checked{'TIME_TUE'}{'on'} = '';
$checked{'TIME_TUE'}{$proxysettings{'TIME_TUE'}} = "checked='checked'";
$checked{'TIME_WED'}{'off'} = '';
$checked{'TIME_WED'}{'on'} = '';
$checked{'TIME_WED'}{$proxysettings{'TIME_WED'}} = "checked='checked'";
$checked{'TIME_THU'}{'off'} = '';
$checked{'TIME_THU'}{'on'} = '';
$checked{'TIME_THU'}{$proxysettings{'TIME_THU'}} = "checked='checked'";
$checked{'TIME_FRI'}{'off'} = '';
$checked{'TIME_FRI'}{'on'} = '';
$checked{'TIME_FRI'}{$proxysettings{'TIME_FRI'}} = "checked='checked'";
$checked{'TIME_SAT'}{'off'} = '';
$checked{'TIME_SAT'}{'on'} = '';
$checked{'TIME_SAT'}{$proxysettings{'TIME_SAT'}} = "checked='checked'";
$checked{'TIME_SUN'}{'off'} = '';
$checked{'TIME_SUN'}{'on'} = '';
$checked{'TIME_SUN'}{$proxysettings{'TIME_SUN'}} = "checked='checked'";

$selected{'THROTTLING_GREEN_TOTAL'}{$proxysettings{'THROTTLING_GREEN_TOTAL'}} = "selected='selected'";
$selected{'THROTTLING_GREEN_HOST'}{$proxysettings{'THROTTLING_GREEN_HOST'}} = "selected='selected'";
$selected{'THROTTLING_BLUE_TOTAL'}{$proxysettings{'THROTTLING_BLUE_TOTAL'}} = "selected='selected'";
$selected{'THROTTLING_BLUE_HOST'}{$proxysettings{'THROTTLING_BLUE_HOST'}} = "selected='selected'";

$checked{'THROTTLE_BINARY'}{'off'} = '';
$checked{'THROTTLE_BINARY'}{'on'} = '';
$checked{'THROTTLE_BINARY'}{$proxysettings{'THROTTLE_BINARY'}} = "checked='checked'";
$checked{'THROTTLE_DSKIMG'}{'off'} = '';
$checked{'THROTTLE_DSKIMG'}{'on'} = '';
$checked{'THROTTLE_DSKIMG'}{$proxysettings{'THROTTLE_DSKIMG'}} = "checked='checked'";
$checked{'THROTTLE_MMEDIA'}{'off'} = '';
$checked{'THROTTLE_MMEDIA'}{'on'} = '';
$checked{'THROTTLE_MMEDIA'}{$proxysettings{'THROTTLE_MMEDIA'}} = "checked='checked'";

$checked{'ENABLE_MIME_FILTER'}{'off'} = '';
$checked{'ENABLE_MIME_FILTER'}{'on'} = '';
$checked{'ENABLE_MIME_FILTER'}{$proxysettings{'ENABLE_MIME_FILTER'}} = "checked='checked'";

$checked{'ENABLE_BROWSER_CHECK'}{'off'} = '';
$checked{'ENABLE_BROWSER_CHECK'}{'on'} = '';
$checked{'ENABLE_BROWSER_CHECK'}{$proxysettings{'ENABLE_BROWSER_CHECK'}} = "checked='checked'";

foreach (@useragentlist) {
	@useragent = split(/,/);
	$checked{'UA_'.$useragent[0]}{'off'} = '';
	$checked{'UA_'.$useragent[0]}{'on'} = '';
	$checked{'UA_'.$useragent[0]}{$proxysettings{'UA_'.$useragent[0]}} = "checked='checked'";
}

$checked{'AUTH_METHOD'}{'none'} = '';
$checked{'AUTH_METHOD'}{'ncsa'} = '';
$checked{'AUTH_METHOD'}{'ident'} = '';
$checked{'AUTH_METHOD'}{'ldap'} = '';
$checked{'AUTH_METHOD'}{'ntlm'} = '';
$checked{'AUTH_METHOD'}{'radius'} = '';
$checked{'AUTH_METHOD'}{$proxysettings{'AUTH_METHOD'}} = "checked='checked'";

$proxysettings{'AUTH_ALWAYS_REQUIRED'} = 'on' unless exists $proxysettings{'AUTH_ALWAYS_REQUIRED'};

$checked{'AUTH_ALWAYS_REQUIRED'}{'off'} = '';
$checked{'AUTH_ALWAYS_REQUIRED'}{'on'} = '';
$checked{'AUTH_ALWAYS_REQUIRED'}{$proxysettings{'AUTH_ALWAYS_REQUIRED'}} = "checked='checked'";

$checked{'NCSA_BYPASS_REDIR'}{'off'} = '';
$checked{'NCSA_BYPASS_REDIR'}{'on'} = '';
$checked{'NCSA_BYPASS_REDIR'}{$proxysettings{'NCSA_BYPASS_REDIR'}} = "checked='checked'";

$selected{'NCSA_GROUP'}{$proxysettings{'NCSA_GROUP'}} = "selected='selected'";

$selected{'LDAP_TYPE'}{$proxysettings{'LDAP_TYPE'}} = "selected='selected'";

$proxysettings{'NTLM_ENABLE_INT_AUTH'} = 'on' unless exists $proxysettings{'NTLM_ENABLE_INT_AUTH'};

$checked{'NTLM_ENABLE_INT_AUTH'}{'off'} = '';
$checked{'NTLM_ENABLE_INT_AUTH'}{'on'} = '';
$checked{'NTLM_ENABLE_INT_AUTH'}{$proxysettings{'NTLM_ENABLE_INT_AUTH'}} = "checked='checked'";

$checked{'NTLM_ENABLE_ACL'}{'off'} = '';
$checked{'NTLM_ENABLE_ACL'}{'on'} = '';
$checked{'NTLM_ENABLE_ACL'}{$proxysettings{'NTLM_ENABLE_ACL'}} = "checked='checked'";

$checked{'NTLM_USER_ACL'}{'positive'} = '';
$checked{'NTLM_USER_ACL'}{'negative'} = '';
$checked{'NTLM_USER_ACL'}{$proxysettings{'NTLM_USER_ACL'}} = "checked='checked'";

$checked{'RADIUS_ENABLE_ACL'}{'off'} = '';
$checked{'RADIUS_ENABLE_ACL'}{'on'} = '';
$checked{'RADIUS_ENABLE_ACL'}{$proxysettings{'RADIUS_ENABLE_ACL'}} = "checked='checked'";

$checked{'RADIUS_USER_ACL'}{'positive'} = '';
$checked{'RADIUS_USER_ACL'}{'negative'} = '';
$checked{'RADIUS_USER_ACL'}{$proxysettings{'RADIUS_USER_ACL'}} = "checked='checked'";

$checked{'IDENT_REQUIRED'}{'off'} = '';
$checked{'IDENT_REQUIRED'}{'on'} = '';
$checked{'IDENT_REQUIRED'}{$proxysettings{'IDENT_REQUIRED'}} = "checked='checked'";

$checked{'IDENT_ENABLE_ACL'}{'off'} = '';
$checked{'IDENT_ENABLE_ACL'}{'on'} = '';
$checked{'IDENT_ENABLE_ACL'}{$proxysettings{'IDENT_ENABLE_ACL'}} = "checked='checked'";

$checked{'IDENT_USER_ACL'}{'positive'} = '';
$checked{'IDENT_USER_ACL'}{'negative'} = '';
$checked{'IDENT_USER_ACL'}{$proxysettings{'IDENT_USER_ACL'}} = "checked='checked'";

$checked{'ENABLE_FILTER'}{'off'} = '';
$checked{'ENABLE_FILTER'}{'on'} = '';
$checked{'ENABLE_FILTER'}{$proxysettings{'ENABLE_FILTER'}} = "checked='checked'";

$checked{'ENABLE_UPDXLRATOR'}{'off'} = '';
$checked{'ENABLE_UPDXLRATOR'}{'on'} = '';
$checked{'ENABLE_UPDXLRATOR'}{$proxysettings{'ENABLE_UPDXLRATOR'}} = "checked='checked'";

&Header::openpage($Lang::tr{'advproxy advanced web proxy configuration'}, 1, '');

&Header::openbigbox('100%', 'left', '', $errormessage);

if ($errormessage) {
	&Header::openbox('100%', 'left', $Lang::tr{'error messages'});
	print "<font class='base'>$errormessage&nbsp;</font>\n";
	&Header::closebox();
}

if ($squidversion[0] =~ /^Squid\sCache:\sVersion\s/i)
{
	$squidversion[0] =~ s/^Squid\sCache:\sVersion//i;
	$squidversion[0] =~ s/^\s+//g;
	$squidversion[0] =~ s/\s+$//g;
} else {
	$squidversion[0] = $Lang::tr{'advproxy unknown'};
}

# ===================================================================
#  Main settings
# ===================================================================

unless ($proxysettings{'NCSA_EDIT_MODE'} eq 'yes') {

print "<form method='post' action='$ENV{'SCRIPT_NAME'}'>\n";

&Header::openbox('100%', 'left', "$Lang::tr{'advproxy advanced web proxy'}");

print <<END
<table width='100%'>
<tr>
	<td colspan='4' class='base'><b>$Lang::tr{'advproxy common settings'}</b></td>
</tr>
<tr>
	<td width='25%' class='base'>$Lang::tr{'advproxy enabled on'} <font color="$Header::colourgreen">Green</font>:</td>
	<td width='20%'><input type='checkbox' name='ENABLE' $checked{'ENABLE'}{'on'} /></td>
	<td width='25%' class='base'>$Lang::tr{'advproxy proxy port'}:</td>
	<td width='30%'><input type='text' name='PROXY_PORT' value='$proxysettings{'PROXY_PORT'}' size='5' /></td>
</tr>
<tr>
	<td class='base'>$Lang::tr{'advproxy transparent on'} <font color="$Header::colourgreen">Green</font>:</td>
	<td><input type='checkbox' name='TRANSPARENT' $checked{'TRANSPARENT'}{'on'} /></td>
	<td class='base'>$Lang::tr{'advproxy visible hostname'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
	<td><input type='text' name='VISIBLE_HOSTNAME' value='$proxysettings{'VISIBLE_HOSTNAME'}' /></td>
</tr>
<tr>
END
;
if ($netsettings{'BLUE_DEV'}) {
	print "<td class='base'>$Lang::tr{'advproxy enabled on'} <font color='$Header::colourblue'>Blue</font>:</td>";
	print "<td><input type='checkbox' name='ENABLE_BLUE' $checked{'ENABLE_BLUE'}{'on'} /></td>";
} else {
	print "<td colspan='2'>&nbsp;</td>";
}
print <<END
	<td class='base'>$Lang::tr{'advproxy admin mail'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
	<td><input type='text' name='ADMIN_MAIL_ADDRESS' value='$proxysettings{'ADMIN_MAIL_ADDRESS'}' /></td>
</tr>
<tr>
END
;
if ($netsettings{'BLUE_DEV'}) {
	print "<td class='base'>$Lang::tr{'advproxy transparent on'} <font color='$Header::colourblue'>Blue</font>:</td>";
	print "<td><input type='checkbox' name='TRANSPARENT_BLUE' $checked{'TRANSPARENT_BLUE'}{'on'} /></td>";
} else {
	print "<td colspan='2'>&nbsp;</td>";
}
print <<END
	<td class='base'>$Lang::tr{'advproxy error language'}:</td>
	<td class='base'>
	<select name='ERR_LANGUAGE'>
END
;
	foreach (<$errordir/*>) {
		if (-d) {
			$language = substr($_,rindex($_,"/")+1);
			print "<option value='$language' $selected{'ERR_LANGUAGE'}{$language}>$language</option>\n";
		}
	}
print <<END
	</select>
	</td>
</tr>
<tr>
	<td class='base'>$Lang::tr{'advproxy suppress version'}:</td>
	<td><input type='checkbox' name='SUPPRESS_VERSION' $checked{'SUPPRESS_VERSION'}{'on'} /></td>
	<td class='base'>$Lang::tr{'advproxy error design'}:</td>
	<td class='base'><select name='ERR_DESIGN'>
		<option value='ipfire' $selected{'ERR_DESIGN'}{'ipfire'}>IPFire</option>
		<option value='squid' $selected{'ERR_DESIGN'}{'squid'}>$Lang::tr{'advproxy standard'}</option>
	</select></td>
</tr>
<tr>
	<td class='base'>$Lang::tr{'advproxy squid version'}:</td>
	<td class='base'>&nbsp;[<font color='$Header::colourred'> $squidversion[0] </font>]</td>
	<td>&nbsp;</td>
	<td>&nbsp;</td>
</tr>
</table>
<hr size='1'>
<table width='100%'>
<tr>
	<td class='base' width='50%'><b>$Lang::tr{'advproxy url filter'}</b> $Lang::tr{'advproxy enabled'}<input type='checkbox' name='ENABLE_FILTER' $checked{'ENABLE_FILTER'}{'on'} /></td>
	<td class='base' width='50%'><b>$Lang::tr{'advproxy update accelerator'}</b> $Lang::tr{'advproxy enabled'}<input type='checkbox' name='ENABLE_UPDXLRATOR' $checked{'ENABLE_UPDXLRATOR'}{'on'} /></td>
</tr>
</table>
<hr size='1'>
<table width='100%'>
<tr>
	<td colspan='4' class='base'><b>$Lang::tr{'advproxy upstream proxy'}</b></td>
</tr>
<tr>
	<td class='base'>$Lang::tr{'advproxy via forwarding'}:</td><td><input type='checkbox' name='FORWARD_VIA' $checked{'FORWARD_VIA'}{'on'} /></td>
	<td class='base'>$Lang::tr{'advproxy upstream proxy host:port'}<img src='/blob.gif' alt='*' /></td><td><input type='text' name='UPSTREAM_PROXY' value='$proxysettings{'UPSTREAM_PROXY'}' /></td>
</tr>
<tr>
	<td class='base'>$Lang::tr{'advproxy client IP forwarding'}:</td><td><input type='checkbox' name='FORWARD_IPADDRESS' $checked{'FORWARD_IPADDRESS'}{'on'} /></td>
	<td class='base'>$Lang::tr{'advproxy upstream username'}<img src='/blob.gif' alt='*' /></td><td><input type='text' name='UPSTREAM_USER' value='$proxysettings{'UPSTREAM_USER'}' /></td>
</tr>
<tr>
	<td class='base'>$Lang::tr{'advproxy username forwarding'}:</td><td><input type='checkbox' name='FORWARD_USERNAME' $checked{'FORWARD_USERNAME'}{'on'} />
  <td class='base'>$Lang::tr{'advproxy upstream password'}:<img src='/blob.gif' alt='*' /></td><td><input type='password' name='UPSTREAM_PASSWORD' value='$proxysettings{'UPSTREAM_PASSWORD'}' /></td>
</tr>
<tr>
	<td class='base' colspan='4'>$Lang::tr{'advproxy no connection auth'}:<input type='checkbox' name='NO_CONNECTION_AUTH' $checked{'NO_CONNECTION_AUTH'}{'on'} /></td>
</tr>
</table>
<hr size='1'>
<table width='100%'>
<tr>
	<td colspan='4' class='base'><b>$Lang::tr{'advproxy log settings'}</b></td>
</tr>
<tr>
	<td class='base'>$Lang::tr{'advproxy log enabled'}:<input type='checkbox' name='LOGGING' $checked{'LOGGING'}{'on'} /></td>
	<td class='base'>$Lang::tr{'advproxy log query'}:<input type='checkbox' name='LOGQUERY' $checked{'LOGQUERY'}{'on'} /></td>
	<td class='base'>$Lang::tr{'advproxy log useragent'}:<input type='checkbox' name='LOGUSERAGENT' $checked{'LOGUSERAGENT'}{'on'} /></td>
</tr>
</table>
<hr size='1'>
<table width='100%'>
<tr>
	<td colspan='4'><b>$Lang::tr{'advproxy cache management'}</b></td>
</tr>
<tr>
	<td width='35%'></td><td width='15%'></td><td width='35%'></td><td width='15%'></td>
</tr>
<tr>
	<td class='base'>$Lang::tr{'advproxy ram cache size'}:</td>
	<td><input type='text' name='CACHE_MEM' value='$proxysettings{'CACHE_MEM'}' size='5' /></td>
	<td class='base'>$Lang::tr{'advproxy hdd cache size'}:</td>
	<td><input type='text' name='CACHE_SIZE' value='$proxysettings{'CACHE_SIZE'}' size='5' /></td>
</tr>
<tr>
	<td class='base'>$Lang::tr{'advproxy min size'}:</td>
	<td><input type='text' name='MIN_SIZE' value='$proxysettings{'MIN_SIZE'}' size='5' /></td>
	<td class='base'>$Lang::tr{'advproxy max size'}:</td>
	<td><input type='text' name='MAX_SIZE' value='$proxysettings{'MAX_SIZE'}' size='5' /></td>
</tr>
<tr>
	<td class='base'>$Lang::tr{'advproxy number of L1 dirs'}:</td>
	<td class='base'><select name='L1_DIRS'>
		<option value='16'  $selected{'L1_DIRS'}{'16'}>16</option>
		<option value='32'  $selected{'L1_DIRS'}{'32'}>32</option>
		<option value='64'  $selected{'L1_DIRS'}{'64'}>64</option>
		<option value='128' $selected{'L1_DIRS'}{'128'}>128</option>
		<option value='256' $selected{'L1_DIRS'}{'256'}>256</option>
	</select></td>
	<td colspan='2' rowspan= '5' valign='top' class='base'>
		<table cellspacing='0' cellpadding='0'>
			<tr>
				<!-- intentionally left empty -->
			</tr>
			<tr>
			<td>$Lang::tr{'advproxy no cache sites'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
			</tr>
			<tr>
				<!-- intentionally left empty -->
			</tr>
			<tr>
				<!-- intentionally left empty -->
			</tr>
			<tr>
			<td align=center><textarea name='DST_NOCACHE' cols='32' rows='6' wrap='off'>
END
;

print $proxysettings{'DST_NOCACHE'};

print <<END
</textarea></td>
		</tr>
		</table>
	</td>
</tr>
<tr>
	<td class='base'>$Lang::tr{'advproxy memory replacement policy'}:</td>
	<td class='base'><select name='MEM_POLICY'>
		<option value='LRU' $selected{'MEM_POLICY'}{'LRU'}>LRU</option>
		<option value='heap LFUDA' $selected{'MEM_POLICY'}{'heap LFUDA'}>heap LFUDA</option>
		<option value='heap GDSF' $selected{'MEM_POLICY'}{'heap GDSF'}>heap GDSF</option>
		<option value='heap LRU' $selected{'MEM_POLICY'}{'heap LRU'}>heap LRU</option>
	</select></td>
</tr>
<tr>
	<td class='base'>$Lang::tr{'advproxy cache replacement policy'}:</td>
	<td class='base'><select name='CACHE_POLICY'>
		<option value='LRU' $selected{'CACHE_POLICY'}{'LRU'}>LRU</option>
		<option value='heap LFUDA' $selected{'CACHE_POLICY'}{'heap LFUDA'}>heap LFUDA</option>
		<option value='heap GDSF' $selected{'CACHE_POLICY'}{'heap GDSF'}>heap GDSF</option>
		<option value='heap LRU' $selected{'CACHE_POLICY'}{'heap LRU'}>heap LRU</option>
	</select></td>
</tr>
<tr>
	<td colspan='2'>&nbsp;</td>
</tr>
<tr>
	<td class='base'>$Lang::tr{'advproxy offline mode'}:</td>
	<td><input type='checkbox' name='OFFLINE_MODE' $checked{'OFFLINE_MODE'}{'on'} /></td>
</tr>
</table>
<hr size='1'>
<table width='100%'>
<tr>
	<td colspan='4'><b>$Lang::tr{'advproxy destination ports'}</b></td>
</tr>
<tr>
	<td width='25%' align=center></td> <td width='20%' align=center></td><td width='25%' align=center></td><td width='30%' align=center></td>
</tr>
<tr>
	<td colspan='2' class='base'>$Lang::tr{'advproxy standard ports'}:</td>
	<td colspan='2' class='base'>$Lang::tr{'advproxy ssl ports'}:</td>
</tr>
<tr>
	<td colspan='2'><textarea name='PORTS_SAFE' cols='32' rows='6' wrap='off'>
END
;
	if (!$proxysettings{'PORTS_SAFE'}) { print $def_ports_safe; } else { print $proxysettings{'PORTS_SAFE'}; }

print <<END
</textarea></td>
	<td colspan='2'><textarea name='PORTS_SSL' cols='32' rows='6' wrap='off'>
END
;
	if (!$proxysettings{'PORTS_SSL'}) { print $def_ports_ssl; } else { print $proxysettings{'PORTS_SSL'}; }

print <<END
</textarea></td>
</tr>
</table>
<hr size='1'>
<table width='100%'>
<tr>
	<td colspan='4'><b>$Lang::tr{'advproxy network based access'}</b></td>
</tr>
<tr>
	<td width='25%'></td> <td width='20%'> </td><td width='25%'> </td><td width='30%'></td>
</tr>
<tr>
	<td colspan='4' class='base'>$Lang::tr{'advproxy allowed subnets'}:</td>
</tr>
<tr>
	<td colspan='2' rowspan='4'><textarea name='SRC_SUBNETS' cols='32' rows='3' wrap='off'>
END
;

if (!$proxysettings{'SRC_SUBNETS'})
{
	print "$netsettings{'GREEN_NETADDRESS'}\/$netsettings{'GREEN_NETMASK'}\n";
	if ($netsettings{'BLUE_DEV'})
	{
		print "$netsettings{'BLUE_NETADDRESS'}\/$netsettings{'BLUE_NETMASK'}\n";
	}
} else { print $proxysettings{'SRC_SUBNETS'}; }

print <<END
</textarea></td>
END
;

$line = $Lang::tr{'advproxy no internal proxy on green'};
$line =~ s/Green/<font color="$Header::colourgreen">Green<\/font>/i;
print "<td class='base'>$line:</td>\n";
print <<END
	<td><input type='checkbox' name='NO_PROXY_LOCAL' $checked{'NO_PROXY_LOCAL'}{'on'} /></td>
</tr>
END
;
if ($netsettings{'BLUE_DEV'}) {
	$line = $Lang::tr{'advproxy no internal proxy on blue'};
	$line =~ s/Blue/<font color="$Header::colourblue">Blue<\/font>/i;
	print "<tr>\n";
	print "<td class='base'>$line:</td>\n";
	print <<END
	<td><input type='checkbox' name='NO_PROXY_LOCAL_BLUE' $checked{'NO_PROXY_LOCAL_BLUE'}{'on'} /></td>
</tr>
END
;
}
print <<END
<tr>
	<td colspan='2'>&nbsp;</td>
</tr>
<tr>
	<td colspan='2'>&nbsp;</td>
</tr>
</table>
<table width='100%'>
<tr>
	<td width='25%'></td> <td width='20%'> </td><td width='25%'> </td><td width='30%'></td>
</tr>
<tr>
	<td colspan='2' class='base'>$Lang::tr{'advproxy unrestricted ip clients'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
	<td colspan='2' class='base'>$Lang::tr{'advproxy unrestricted mac clients'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
</tr>
<tr>
	<td colspan='2'><textarea name='SRC_UNRESTRICTED_IP' cols='32' rows='3' wrap='off'>
END
;

	print $proxysettings{'SRC_UNRESTRICTED_IP'};

print <<END
</textarea></td>
	<td colspan='2'><textarea name='SRC_UNRESTRICTED_MAC' cols='32' rows='3' wrap='off'>
END
;

print $proxysettings{'SRC_UNRESTRICTED_MAC'};

print <<END
</textarea></td>
</tr>
</table>
<table width='100%'>
<tr>
	<td width='25%'></td> <td width='20%'> </td><td width='25%'> </td><td width='30%'></td>
</tr>
<tr>
	<td colspan='2' class='base'>$Lang::tr{'advproxy banned ip clients'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
	<td colspan='2' class='base'>$Lang::tr{'advproxy banned mac clients'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
</tr>
<tr>
	<td colspan='2'><textarea name='SRC_BANNED_IP' cols='32' rows='3' wrap='off'>
END
;

	print $proxysettings{'SRC_BANNED_IP'};

print <<END
</textarea></td>
	<td colspan='2'><textarea name='SRC_BANNED_MAC' cols='32' rows='3' wrap='off'>
END
;

print $proxysettings{'SRC_BANNED_MAC'};

print <<END
</textarea></td>
</tr>
</table>

<hr size='1'>

END
;
# -------------------------------------------------------------------
#  CRE GUI - optional
# -------------------------------------------------------------------

if (-e $cre_enabled) { print <<END
<table width='100%'>

<tr>
	<td colspan='4'><b>$Lang::tr{'advproxy classroom extensions'}</b> $Lang::tr{'advproxy enabled'}:<input type='checkbox' name='CLASSROOM_EXT' $checked{'CLASSROOM_EXT'}{'on'} /></td>
</tr>
<tr>
	<td width='25%'></td> <td width='20%'> </td><td width='25%'> </td><td width='30%'></td>
</tr>
<tr>

END
;
if ($proxysettings{'CLASSROOM_EXT'} eq 'on'){
print <<END
	<td class='base'>$Lang::tr{'advproxy supervisor password'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
	<td><input type='password' name='SUPERVISOR_PASSWORD' value='$proxysettings{'SUPERVISOR_PASSWORD'}' size='12' /></td>
</tr>
<tr>
	<td colspan='2' class='base'>$Lang::tr{'advproxy cre group definitions'}:</td>
	<td colspan='2' class='base'>$Lang::tr{'advproxy cre supervisors'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
END
;
}
print "</tr>";
if ($proxysettings{'CLASSROOM_EXT'} eq 'on'){
print <<END
<tr>
	<td colspan='2'><textarea name='CRE_GROUPS' cols='32' rows='6' wrap='off'>
END
;

	print $proxysettings{'CRE_GROUPS'};

print <<END
</textarea></td>
	<td colspan='2'><textarea name='CRE_SVHOSTS' cols='32' rows='6' wrap='off'>
END
;
	print $proxysettings{'CRE_SVHOSTS'};

print <<END
</textarea></td>
</tr>
END
;
}
print "</table><hr size='1'>";

} else {
	print <<END
	<input type='hidden' name='SUPERVISOR_PASSWORD' value='$proxysettings{'SUPERVISOR_PASSWORD'}' />
	<input type='hidden' name='CRE_GROUPS'          value='$proxysettings{'CRE_GROUPS'}' />
	<input type='hidden' name='CRE_SVHOSTS'         value='$proxysettings{'CRE_SVHOSTS'}' />
END
;
}

# -------------------------------------------------------------------

print <<END 

<table width='100%'>
<tr>
	<td colspan='4'><b>$Lang::tr{'advproxy time restrictions'}</b></td>
</tr>
<table width='100%'>
<tr>
	<td width='2%'>$Lang::tr{'advproxy access'}</td>
	<td width='1%'>&nbsp;</td>
	<td width='2%' align='center'>$Lang::tr{'advproxy monday'}</td>
	<td width='2%' align='center'>$Lang::tr{'advproxy tuesday'}</td>
	<td width='2%' align='center'>$Lang::tr{'advproxy wednesday'}</td>
	<td width='2%' align='center'>$Lang::tr{'advproxy thursday'}</td>
	<td width='2%' align='center'>$Lang::tr{'advproxy friday'}</td>
	<td width='2%' align='center'>$Lang::tr{'advproxy saturday'}</td>
	<td width='2%' align='center'>$Lang::tr{'advproxy sunday'}</td>
	<td width='1%'>&nbsp;&nbsp;</td>
	<td width='7%' colspan=3>$Lang::tr{'advproxy from'}</td>
	<td width='1%'>&nbsp;</td>
	<td width='7%' colspan=3>$Lang::tr{'advproxy to'}</td>
	<td>&nbsp;</td>
</tr>
<tr>
	<td class='base'>
	<select name='TIME_ACCESS_MODE'>
	<option value='allow' $selected{'TIME_ACCESS_MODE'}{'allow'}>$Lang::tr{'advproxy mode allow'}</option>
	<option value='deny'  $selected{'TIME_ACCESS_MODE'}{'deny'}>$Lang::tr{'advproxy mode deny'}</option>
	</select>
	</td>
	<td>&nbsp;</td>
	<td class='base'><input type='checkbox' name='TIME_MON' $checked{'TIME_MON'}{'on'} /></td>
	<td class='base'><input type='checkbox' name='TIME_TUE' $checked{'TIME_TUE'}{'on'} /></td>
	<td class='base'><input type='checkbox' name='TIME_WED' $checked{'TIME_WED'}{'on'} /></td>
	<td class='base'><input type='checkbox' name='TIME_THU' $checked{'TIME_THU'}{'on'} /></td>
	<td class='base'><input type='checkbox' name='TIME_FRI' $checked{'TIME_FRI'}{'on'} /></td>
	<td class='base'><input type='checkbox' name='TIME_SAT' $checked{'TIME_SAT'}{'on'} /></td>
	<td class='base'><input type='checkbox' name='TIME_SUN' $checked{'TIME_SUN'}{'on'} /></td>
	<td>&nbsp;</td>
	<td class='base'>
	<select name='TIME_FROM_HOUR'>
END
;
for ($i=0;$i<=24;$i++) {
	$_ = sprintf("%02s",$i);
	print "<option $selected{'TIME_FROM_HOUR'}{$_}>$_</option>\n";
}
print <<END
	</select>
	</td>
	<td>:</td>
	<td class='base'>
	<select name='TIME_FROM_MINUTE'>
END
;
for ($i=0;$i<=45;$i+=15) {
	$_ = sprintf("%02s",$i);
	print "<option $selected{'TIME_FROM_MINUTE'}{$_}>$_</option>\n";
}
print <<END
	</select>
	<td> - </td>
	</td>
	<td class='base'>
	<select name='TIME_TO_HOUR'>
END
;
for ($i=0;$i<=24;$i++) {
	$_ = sprintf("%02s",$i);
	print "<option $selected{'TIME_TO_HOUR'}{$_}>$_</option>\n";
}
print <<END
	</select>
	</td>
	<td>:</td>
	<td class='base'>
	<select name='TIME_TO_MINUTE'>
END
;
for ($i=0;$i<=45;$i+=15) {
	$_ = sprintf("%02s",$i);
	print "<option $selected{'TIME_TO_MINUTE'}{$_}>$_</option>\n";
}
print <<END
	</select>
	</td>
</tr>
</table>
<hr size='1'>
<table width='100%'>
<tr>
	<td colspan='4'><b>$Lang::tr{'advproxy transfer limits'}</b></td>
</tr>
<tr>
	<td width='25%' class='base'>$Lang::tr{'advproxy max download size'}:</td>
	<td width='20%'><input type='text' name='MAX_INCOMING_SIZE' value='$proxysettings{'MAX_INCOMING_SIZE'}' size='5' /></td>
	<td width='25%' class='base'>$Lang::tr{'advproxy max upload size'}:</td>
	<td width='30%'><input type='text' name='MAX_OUTGOING_SIZE' value='$proxysettings{'MAX_OUTGOING_SIZE'}' size='5' /></td>
</tr>
</table>
<hr size='1'>
<table width='100%'>
<tr>
	<td colspan='4'><b>$Lang::tr{'advproxy download throttling'}</b></td>
</tr>
<tr>
	<td width='25%' class='base'>$Lang::tr{'advproxy throttling total on'} <font color="$Header::colourgreen">Green</font>:</td>
	<td width='20%' class='base'>
	<select name='THROTTLING_GREEN_TOTAL'>
END
;

foreach (@throttle_limits) {
	print "\t<option value='$_' $selected{'THROTTLING_GREEN_TOTAL'}{$_}>$_ kBit/s</option>\n";
}

print <<END
	<option value='0' $selected{'THROTTLING_GREEN_TOTAL'}{'unlimited'}>$Lang::tr{'advproxy throttling unlimited'}</option>\n";
	</select>
	</td>
	<td width='25%' class='base'>$Lang::tr{'advproxy throttling per host on'} <font color="$Header::colourgreen">Green</font>:</td>
	<td width='30%' class='base'>
	<select name='THROTTLING_GREEN_HOST'>
END
;

foreach (@throttle_limits) {
	print "\t<option value='$_' $selected{'THROTTLING_GREEN_HOST'}{$_}>$_ kBit/s</option>\n";
}

print <<END
	<option value='0' $selected{'THROTTLING_GREEN_HOST'}{'unlimited'}>$Lang::tr{'advproxy throttling unlimited'}</option>\n";
	</select>
	</td>
</tr>
END
;

if ($netsettings{'BLUE_DEV'}) {
	print <<END
<tr>
	<td class='base'>$Lang::tr{'advproxy throttling total on'} <font color="$Header::colourblue">Blue</font>:</td>
	<td class='base'>
	<select name='THROTTLING_BLUE_TOTAL'>
END
;

foreach (@throttle_limits) {
	print "\t<option value='$_' $selected{'THROTTLING_BLUE_TOTAL'}{$_}>$_ kBit/s</option>\n";
}

print <<END
	<option value='0' $selected{'THROTTLING_BLUE_TOTAL'}{'unlimited'}>$Lang::tr{'advproxy throttling unlimited'}</option>\n";
	</select>
	</td>
	<td class='base'>$Lang::tr{'advproxy throttling per host on'} <font color="$Header::colourblue">Blue</font>:</td>
	<td class='base'>
	<select name='THROTTLING_BLUE_HOST'>
END
;

foreach (@throttle_limits) {
	print "\t<option value='$_' $selected{'THROTTLING_BLUE_HOST'}{$_}>$_ kBit/s</option>\n";
}

print <<END
	<option value='0' $selected{'THROTTLING_BLUE_HOST'}{'unlimited'}>$Lang::tr{'advproxy throttling unlimited'}</option>\n";
	</select>
	</td>
</tr>
END
;
}

print <<END
</table>
<table width='100%'>
<tr>
	<td colspan='4'><i>$Lang::tr{'advproxy content based throttling'}:</i></td>
</tr>
<tr>
	<td width='15%' class='base'>$Lang::tr{'advproxy throttle binary'}:</td>
	<td width='10%'><input type='checkbox' name='THROTTLE_BINARY' $checked{'THROTTLE_BINARY'}{'on'} /></td>
	<td width='15%' class='base'>$Lang::tr{'advproxy throttle dskimg'}:</td>
	<td width='10%'><input type='checkbox' name='THROTTLE_DSKIMG' $checked{'THROTTLE_DSKIMG'}{'on'} /></td>
	<td width='15%' class='base'>$Lang::tr{'advproxy throttle mmedia'}:</td>
	<td width='10%'><input type='checkbox' name='THROTTLE_MMEDIA' $checked{'THROTTLE_MMEDIA'}{'on'} /></td>
	<td width='15%'>&nbsp;</td>
	<td width='10%'>&nbsp;</td>
</tr>	
</table>
<hr size='1'>
<table width='100%'>
<tr>
	<td colspan='4'><b>$Lang::tr{'advproxy MIME filter'}</b> $Lang::tr{'advproxy enabled'}:<input type='checkbox' name='ENABLE_MIME_FILTER' $checked{'ENABLE_MIME_FILTER'}{'on'} /></td>
</tr>
END
;
if ( $proxysettings{'ENABLE_MIME_FILTER'} eq 'on' ){
print <<END
<tr>
	<td  colspan='2' class='base'>$Lang::tr{'advproxy MIME block types'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
	<td>&nbsp;</td>
	<td>&nbsp;</td>
</tr>
<tr>
	<td colspan='2'><textarea name='MIME_TYPES' cols='32' rows='6' wrap='off'>
END
;

print $proxysettings{'MIME_TYPES'};

print <<END
</textarea></td>
	<td>&nbsp;</td>
	<td>&nbsp;</td>
</tr>
END
;
}
print <<END
</table>

<hr size='1'>
<table width='100%'>
<tr>
	<td colspan='4'><b>$Lang::tr{'advproxy web browser'}</b> $Lang::tr{'advproxy UA enable filter'}:<input type='checkbox' name='ENABLE_BROWSER_CHECK' $checked{'ENABLE_BROWSER_CHECK'}{'on'} /></td>
</tr>
END
;
if ( $proxysettings{'ENABLE_BROWSER_CHECK'} eq 'on' ){
print <<END
<tr>
	<td colspan='4'><i>
END
;
if (@useragentlist) { print "$Lang::tr{'advproxy allowed web browsers'}:"; } else { print "$Lang::tr{'advproxy no clients defined'}"; }
print <<END
</i></td>
</tr>
</table>
<table width='100%'>
END
;

for ($n=0; $n<=@useragentlist; $n = $n + $i) {
	for ($i=0; $i<=3; $i++) {
		if ($i eq 0) { print "<tr>\n"; }
		if (($n+$i) < @useragentlist) {
			@useragent = split(/,/,@useragentlist[$n+$i]);
			print "<td width='15%'>$useragent[1]:<\/td>\n";
			print "<td width='10%'><input type='checkbox' name='UA_$useragent[0]' $checked{'UA_'.$useragent[0]}{'on'} /></td>\n";
		}
		if ($i eq 3) { print "<\/tr>\n"; }
	}
}
}
print <<END
</table>
<hr size='1'>
<table width='100%'>
<tr>
	<td><b>$Lang::tr{'advproxy privacy'}</b></td>
</tr>
<tr>
	<td class='base'>$Lang::tr{'advproxy fake useragent'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
	<td class='base'>$Lang::tr{'advproxy fake referer'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
</tr>
<tr>
	<td><input type='text' name='FAKE_USERAGENT' value='$proxysettings{'FAKE_USERAGENT'}' size='56' /></td>
	<td><input type='text' name='FAKE_REFERER' value='$proxysettings{'FAKE_REFERER'}' size='56' /></td>
</tr>
</table>
<hr size='1'>
END
;

print <<END
<table width='100%'>
<tr>
	<td colspan='5'><b>$Lang::tr{'advproxy AUTH method'}</b></td>
</tr>
<tr>
	<td width='16%' class='base'><input type='radio' name='AUTH_METHOD' value='none' $checked{'AUTH_METHOD'}{'none'} />$Lang::tr{'advproxy AUTH method none'}</td>
	<td width='16%' class='base'><input type='radio' name='AUTH_METHOD' value='ncsa' $checked{'AUTH_METHOD'}{'ncsa'} />$Lang::tr{'advproxy AUTH method ncsa'}</td>
	<td width='16%' class='base'><input type='radio' name='AUTH_METHOD' value='ident' $checked{'AUTH_METHOD'}{'ident'} />$Lang::tr{'advproxy AUTH method ident'}</td>
	<td width='16%' class='base'><input type='radio' name='AUTH_METHOD' value='ldap' $checked{'AUTH_METHOD'}{'ldap'} />$Lang::tr{'advproxy AUTH method ldap'}</td>
	<td width='16%' class='base'><input type='radio' name='AUTH_METHOD' value='ntlm' $checked{'AUTH_METHOD'}{'ntlm'} />$Lang::tr{'advproxy AUTH method ntlm'}</td>
	<td width='16%' class='base'><input type='radio' name='AUTH_METHOD' value='radius' $checked{'AUTH_METHOD'}{'radius'} />$Lang::tr{'advproxy AUTH method radius'}</td>
</tr>
</table>
END
;

if (!($proxysettings{'AUTH_METHOD'} eq 'none')) { if (!($proxysettings{'AUTH_METHOD'} eq 'ident')) { print <<END
<hr size='1'>
<table width='100%'>
<tr>
	<td colspan='4'><b>$Lang::tr{'advproxy AUTH global settings'}</b></td>
</tr>
<tr>
	<td width='25%'></td> <td width='20%'> </td><td width='25%'> </td><td width='30%'></td>
</tr>
<tr>
	<td class='base'>$Lang::tr{'advproxy AUTH number of auth processes'}:</td>
	<td><input type='text' name='AUTH_CHILDREN' value='$proxysettings{'AUTH_CHILDREN'}' size='5' /></td>
	<td colspan='2' rowspan= '6' valign='top' class='base'>
		<table cellpadding='0' cellspacing='0'>
			<tr>
			<td class='base'>$Lang::tr{'advproxy AUTH realm'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
			</tr>
			<tr>
				<!-- intentionally left empty -->
			</tr>
			<tr>
				<!-- intentionally left empty -->
			</tr>
			<tr>
			<td><input type='text' name='AUTH_REALM' value='$proxysettings{'AUTH_REALM'}' size='40' /></td>
			</tr>
			<tr>
				<!-- intentionally left empty -->
			</tr>
			<tr>
				<!-- intentionally left empty -->
			</tr>
			<tr>
			<td>$Lang::tr{'advproxy AUTH no auth'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
			</tr>
			<tr>
				<!-- intentionally left empty -->
			</tr>
			<tr>
				<!-- intentionally left empty -->
			</tr>
			<tr>
			<td><textarea name='DST_NOAUTH' cols='32' rows='6' wrap='off'>
END
;

print $proxysettings{'DST_NOAUTH'};

print <<END
</textarea></td>
		</tr>
		</table>
	</td>
</tr>
<tr>
	<td class='base'>$Lang::tr{'advproxy AUTH auth cache TTL'}:</td>
	<td><input type='text' name='AUTH_CACHE_TTL' value='$proxysettings{'AUTH_CACHE_TTL'}' size='5' /></td>
</tr>
<tr>
	<td class='base'>$Lang::tr{'advproxy AUTH limit of IP addresses'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
	<td><input type='text' name='AUTH_MAX_USERIP' value='$proxysettings{'AUTH_MAX_USERIP'}' size='5' /></td>
</tr>
<tr>
	<td class='base'>$Lang::tr{'advproxy AUTH user IP cache TTL'}:</td>
	<td><input type='text' name='AUTH_IPCACHE_TTL' value='$proxysettings{'AUTH_IPCACHE_TTL'}' size='5' /></td>
</tr>
<tr>
	<td class='base'>$Lang::tr{'advproxy AUTH always required'}:</td>
	<td><input type='checkbox' name='AUTH_ALWAYS_REQUIRED' $checked{'AUTH_ALWAYS_REQUIRED'}{'on'} /></td>
</tr>
<tr>
	<td colspan='2'>&nbsp;</td>
</tr>
</table>
END
;
}

# ===================================================================
#  NCSA auth settings
# ===================================================================

if ($proxysettings{'AUTH_METHOD'} eq 'ncsa') {
print <<END
<hr size='1'>
<table width='100%'>
<tr>
	<td colspan='4'><b>$Lang::tr{'advproxy NCSA auth'}</b></td>
</tr>
<tr>
	<td width='25%' class='base'>$Lang::tr{'advproxy NCSA min password length'}:</td>
	<td width='20%'><input type='text' name='NCSA_MIN_PASS_LEN' value='$proxysettings{'NCSA_MIN_PASS_LEN'}' size='5' /></td>
	<td width='25%' class='base'>$Lang::tr{'advproxy NCSA redirector bypass'} \'$Lang::tr{'advproxy NCSA grp extended'}\':</td>
	<td width='20%'><input type='checkbox' name='NCSA_BYPASS_REDIR' $checked{'NCSA_BYPASS_REDIR'}{'on'} /></td>
</tr>
<tr>
	<td colspan='2'><br>&nbsp;<input type='submit' name='ACTION' value='$Lang::tr{'advproxy NCSA user management'}'></td>
	<td>&nbsp;</td>
	<td>&nbsp;</td>
</tr>
</table>
END
; }

# ===================================================================
#  IDENTD auth settings
# ===================================================================

if ($proxysettings{'AUTH_METHOD'} eq 'ident') {
print <<END
<hr size ='1'>
<table width='100%'>
<tr>
	<td colspan='4'><b>$Lang::tr{'advproxy IDENT identd settings'}</b></td>
</tr>
<tr>
	<td width='25%' class='base'>$Lang::tr{'advproxy IDENT required'}:</td>
	<td width='20%'><input type='checkbox' name='IDENT_REQUIRED' $checked{'IDENT_REQUIRED'}{'on'} /></td>
	<td width='25%' class='base'>$Lang::tr{'advproxy AUTH always required'}:</td>
	<td width='30%'><input type='checkbox' name='AUTH_ALWAYS_REQUIRED' $checked{'AUTH_ALWAYS_REQUIRED'}{'on'} /></td>
</tr>
<tr>
	<td class='base'>$Lang::tr{'advproxy IDENT timeout'}:</td>
	<td><input type='text' name='IDENT_TIMEOUT' value='$proxysettings{'IDENT_TIMEOUT'}' size='5' /></td>
	<td>&nbsp;</td>
	<td>&nbsp;</td>
</tr>
<tr>
	<td colspan='2' class='base'>$Lang::tr{'advproxy IDENT aware hosts'}:</td>
	<td colspan='2' class='base'>$Lang::tr{'advproxy AUTH no auth'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
</tr>
<tr>
	<td colspan='2'><textarea name='IDENT_HOSTS' cols='32' rows='6' wrap='off'>
END
;
if (!$proxysettings{'IDENT_HOSTS'}) {
	print "$netsettings{'GREEN_NETADDRESS'}\/$netsettings{'GREEN_NETMASK'}\n";
	if ($netsettings{'BLUE_DEV'}) {
		print "$netsettings{'BLUE_NETADDRESS'}\/$netsettings{'BLUE_NETMASK'}\n";
	}
} else {
	print $proxysettings{'IDENT_HOSTS'};
}

print <<END
</textarea></td>
			<td colspan='2'><textarea name='DST_NOAUTH' cols='32' rows='6' wrap='off'>
END
;

print $proxysettings{'DST_NOAUTH'};

print <<END
</textarea></td>
</tr>
</table>
<hr size ='1'>
<table width='100%'>
<tr>
	<td colspan='4'><b>$Lang::tr{'advproxy IDENT user based access restrictions'}</b></td>
</tr>
<tr>
	<td width='25%' class='base'>$Lang::tr{'advproxy enabled'}:</td>
	<td width='20%'><input type='checkbox' name='IDENT_ENABLE_ACL' $checked{'IDENT_ENABLE_ACL'}{'on'} /></td>
	<td width='25%'>&nbsp;</td>
	<td width='30%'>&nbsp;</td>
</tr>
<tr>
	<td colspan='2'><input type='radio' name='IDENT_USER_ACL' value='positive' $checked{'IDENT_USER_ACL'}{'positive'} />
	$Lang::tr{'advproxy IDENT use positive access list'}:</td>
	<td colspan='2'><input type='radio' name='IDENT_USER_ACL' value='negative' $checked{'IDENT_USER_ACL'}{'negative'} />
	$Lang::tr{'advproxy IDENT use negative access list'}:</td>
</tr>
<tr>
	<td colspan='2'>$Lang::tr{'advproxy IDENT authorized users'}</td>
	<td colspan='2'>$Lang::tr{'advproxy IDENT unauthorized users'}</td>
</tr>
<tr>
	<td colspan='2'><textarea name='IDENT_ALLOW_USERS' cols='32' rows='6' wrap='off'>
END
; }

if ($proxysettings{'AUTH_METHOD'} eq 'ident') { print $proxysettings{'IDENT_ALLOW_USERS'}; }

if ($proxysettings{'AUTH_METHOD'} eq 'ident') { print <<END
</textarea></td>
	<td colspan='2'><textarea name='IDENT_DENY_USERS' cols='32' rows='6' wrap='off'>
END
; }

if ($proxysettings{'AUTH_METHOD'} eq 'ident') { print $proxysettings{'IDENT_DENY_USERS'}; }

if ($proxysettings{'AUTH_METHOD'} eq 'ident') { print <<END
</textarea></td>
</tr>
</table>
END
; }

# ===================================================================
#  NTLM auth settings
# ===================================================================

if ($proxysettings{'AUTH_METHOD'} eq 'ntlm') {
print <<END
<hr size='1'>
<table width='100%'>
<tr>
	<td colspan='6'><b>$Lang::tr{'advproxy NTLM domain settings'}</b></td>
</tr>
<tr>
	<td class='base'>$Lang::tr{'advproxy NTLM domain'}:</td>
	<td><input type='text' name='NTLM_DOMAIN' value='$proxysettings{'NTLM_DOMAIN'}' size='15' /></td>
	<td class='base'>$Lang::tr{'advproxy NTLM PDC hostname'}:</td>
	<td><input type='text' name='NTLM_PDC' value='$proxysettings{'NTLM_PDC'}' size='14' /></td>
	<td class='base'>$Lang::tr{'advproxy NTLM BDC hostname'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
	<td><input type='text' name='NTLM_BDC' value='$proxysettings{'NTLM_BDC'}' size='14' /></td>
</tr>
</table>
<hr size ='1'>
<table width='100%'>
<tr>
	<td colspan='3'><b>$Lang::tr{'advproxy NTLM auth mode'}</b></td>
</tr>
<tr>
	<td width='25%' class='base' width='25%'>$Lang::tr{'advproxy NTLM use integrated auth'}:</td>
	<td width='20%'><input type='checkbox' name='NTLM_ENABLE_INT_AUTH' $checked{'NTLM_ENABLE_INT_AUTH'}{'on'} /></td>
	<td>&nbsp;</td>
</tr>
</table>
<hr size ='1'>
<table width='100%'>
<tr>
	<td colspan='4'><b>$Lang::tr{'advproxy NTLM user based access restrictions'}</b></td>
</tr>
<tr>
	<td width='25%' class='base'>$Lang::tr{'advproxy enabled'}:</td>
	<td width='20%'><input type='checkbox' name='NTLM_ENABLE_ACL' $checked{'NTLM_ENABLE_ACL'}{'on'} /></td>
	<td width='25%'>&nbsp;</td>
	<td width='30%'>&nbsp;</td>
</tr>
<tr>
	<td colspan='2'><input type='radio' name='NTLM_USER_ACL' value='positive' $checked{'NTLM_USER_ACL'}{'positive'} />
	$Lang::tr{'advproxy NTLM use positive access list'}:</td>
	<td colspan='2'><input type='radio' name='NTLM_USER_ACL' value='negative' $checked{'NTLM_USER_ACL'}{'negative'} />
	$Lang::tr{'advproxy NTLM use negative access list'}:</td>
</tr>
<tr>
	<td colspan='2'>$Lang::tr{'advproxy NTLM authorized users'}</td>
	<td colspan='2'>$Lang::tr{'advproxy NTLM unauthorized users'}</td>
</tr>
<tr>
	<td colspan='2'><textarea name='NTLM_ALLOW_USERS' cols='32' rows='6' wrap='off'>
END
; }

if ($proxysettings{'AUTH_METHOD'} eq 'ntlm') { print $proxysettings{'NTLM_ALLOW_USERS'}; }

if ($proxysettings{'AUTH_METHOD'} eq 'ntlm') { print <<END
</textarea></td>
	<td colspan='2'><textarea name='NTLM_DENY_USERS' cols='32' rows='6' wrap='off'>
END
; }

if ($proxysettings{'AUTH_METHOD'} eq 'ntlm') { print $proxysettings{'NTLM_DENY_USERS'}; }

if ($proxysettings{'AUTH_METHOD'} eq 'ntlm') { print <<END
</textarea></td>
</tr>
</table>
END
; }

# ===================================================================
#  LDAP auth settings
# ===================================================================

if ($proxysettings{'AUTH_METHOD'} eq 'ldap') {
print <<END
<hr size='1'>
<table width='100%'>
<tr>
	<td colspan='4'><b>$Lang::tr{'advproxy LDAP common settings'}</b></td>
</tr>
<tr>
	<td class='base'>$Lang::tr{'advproxy LDAP basedn'}:</td>
	<td><input type='text' name='LDAP_BASEDN' value='$proxysettings{'LDAP_BASEDN'}' size='37' /></td>
	<td class='base'>$Lang::tr{'advproxy LDAP type'}:</td>
	<td class='base'><select name='LDAP_TYPE'>
		<option value='ADS' $selected{'LDAP_TYPE'}{'ADS'}>$Lang::tr{'advproxy LDAP ADS'}</option>
		<option value='NDS' $selected{'LDAP_TYPE'}{'NDS'}>$Lang::tr{'advproxy LDAP NDS'}</option>
		<option value='V2' $selected{'LDAP_TYPE'}{'V2'}>$Lang::tr{'advproxy LDAP V2'}</option>
		<option value='V3' $selected{'LDAP_TYPE'}{'V3'}>$Lang::tr{'advproxy LDAP V3'}</option>
	</select></td>
</tr>
<tr>
	<td width='20%' class='base'>$Lang::tr{'advproxy LDAP server'}:</td>
	<td width='40%'><input type='text' name='LDAP_SERVER' value='$proxysettings{'LDAP_SERVER'}' size='14' /></td>
	<td width='20%' class='base'>$Lang::tr{'advproxy LDAP port'}:</td>
	<td><input type='text' name='LDAP_PORT' value='$proxysettings{'LDAP_PORT'}' size='3' /></td>
</tr>
</table>
<hr size ='1'>
<table width='100%'>
<tr>
	<td colspan='4'><b>$Lang::tr{'advproxy LDAP binddn settings'}</b></td>
</tr>
<tr>
	<td width='20%' class='base'>$Lang::tr{'advproxy LDAP binddn username'}:</td>
	<td width='40%'><input type='text' name='LDAP_BINDDN_USER' value='$proxysettings{'LDAP_BINDDN_USER'}' size='37' /></td>
	<td width='20%' class='base'>$Lang::tr{'advproxy LDAP binddn password'}:</td>
	<td><input type='password' name='LDAP_BINDDN_PASS' value='$proxysettings{'LDAP_BINDDN_PASS'}' size='14' /></td>
</tr>
</table>
<hr size ='1'>
<table width='100%'>
<tr>
	<td colspan='4'><b>$Lang::tr{'advproxy LDAP group access control'}</b></td>
</tr>
<tr>
	<td width='20%' class='base'>$Lang::tr{'advproxy LDAP group required'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
	<td width='40%'><input type='text' name='LDAP_GROUP' value='$proxysettings{'LDAP_GROUP'}' size='37' /></td>
	<td>&nbsp;</td>
	<td>&nbsp;</td>
</tr>
</table>
END
; }

# ===================================================================
#  RADIUS auth settings
# ===================================================================

if ($proxysettings{'AUTH_METHOD'} eq 'radius') {
print <<END
<hr size='1'>
<table width='100%'>
<tr>
	<td colspan='4'><b>$Lang::tr{'advproxy RADIUS radius settings'}</b></td>
</tr>
<tr>
	<td width='25%' class='base'>$Lang::tr{'advproxy RADIUS server'}:</td>
	<td width='20%'><input type='text' name='RADIUS_SERVER' value='$proxysettings{'RADIUS_SERVER'}' size='14' /></td>
	<td width='25%' class='base'>$Lang::tr{'advproxy RADIUS port'}:</td>
	<td width='30%'><input type='text' name='RADIUS_PORT' value='$proxysettings{'RADIUS_PORT'}' size='3' /></td>
</tr>
<tr>
	<td class='base'>$Lang::tr{'advproxy RADIUS identifier'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
	<td><input type='text' name='RADIUS_IDENTIFIER' value='$proxysettings{'RADIUS_IDENTIFIER'}' size='14' /></td>
	<td class='base'>$Lang::tr{'advproxy RADIUS secret'}:</td>
	<td><input type='password' name='RADIUS_SECRET' value='$proxysettings{'RADIUS_SECRET'}' size='14' /></td>
</tr>
</table>
<hr size ='1'>
<table width='100%'>
<tr>
	<td colspan='4'><b>$Lang::tr{'advproxy RADIUS user based access restrictions'}</b></td>
</tr>
<tr>
	<td width='25%' class='base'>$Lang::tr{'advproxy enabled'}:</td>
	<td width='20%'><input type='checkbox' name='RADIUS_ENABLE_ACL' $checked{'RADIUS_ENABLE_ACL'}{'on'} /></td>
	<td width='25%'>&nbsp;</td>
	<td width='30%'>&nbsp;</td>
</tr>
<tr>
	<td colspan='2'><input type='radio' name='RADIUS_USER_ACL' value='positive' $checked{'RADIUS_USER_ACL'}{'positive'} />
	$Lang::tr{'advproxy RADIUS use positive access list'}:</td>
	<td colspan='2'><input type='radio' name='RADIUS_USER_ACL' value='negative' $checked{'RADIUS_USER_ACL'}{'negative'} />
	$Lang::tr{'advproxy RADIUS use negative access list'}:</td>
</tr>
<tr>
	<td colspan='2'>$Lang::tr{'advproxy RADIUS authorized users'}</td>
	<td colspan='2'>$Lang::tr{'advproxy RADIUS unauthorized users'}</td>
</tr>
<tr>
	<td colspan='2'><textarea name='RADIUS_ALLOW_USERS' cols='32' rows='6' wrap='off'>
END
; }

if ($proxysettings{'AUTH_METHOD'} eq 'radius') { print $proxysettings{'RADIUS_ALLOW_USERS'}; }

if ($proxysettings{'AUTH_METHOD'} eq 'radius') { print <<END
</textarea></td>
	<td colspan='2'><textarea name='RADIUS_DENY_USERS' cols='32' rows='6' wrap='off'>
END
; }

if ($proxysettings{'AUTH_METHOD'} eq 'radius') { print $proxysettings{'RADIUS_DENY_USERS'}; }

if ($proxysettings{'AUTH_METHOD'} eq 'radius') { print <<END
</textarea></td>
</tr>
</table>
END
; }

# ===================================================================

}

print "<table>\n";

if ($proxysettings{'AUTH_METHOD'} eq 'none') {
print <<END
<td><input type='hidden' name='AUTH_CHILDREN'        value='$proxysettings{'AUTH_CHILDREN'}'></td>
<td><input type='hidden' name='AUTH_CACHE_TTL'       value='$proxysettings{'AUTH_CACHE_TTL'}' size='5' /></td>
<td><input type='hidden' name='AUTH_MAX_USERIP'      value='$proxysettings{'AUTH_MAX_USERIP'}' size='5' /></td>
<td><input type='hidden' name='AUTH_IPCACHE_TTL'     value='$proxysettings{'AUTH_IPCACHE_TTL'}' size='5' /></td>
<td><input type='hidden' name='AUTH_ALWAYS_REQUIRED' value='$proxysettings{'AUTH_ALWAYS_REQUIRED'}'></td>
<td><input type='hidden' name='AUTH_REALM'           value='$proxysettings{'AUTH_REALM'}'></td>
<td><input type='hidden' name='DST_NOAUTH'           value='$proxysettings{'DST_NOAUTH'}'></td>
END
; }

if ($proxysettings{'AUTH_METHOD'} eq 'ident') {
print <<END
<td><input type='hidden' name='AUTH_CHILDREN'        value='$proxysettings{'AUTH_CHILDREN'}'></td>
<td><input type='hidden' name='AUTH_CACHE_TTL'       value='$proxysettings{'AUTH_CACHE_TTL'}' size='5' /></td>
<td><input type='hidden' name='AUTH_MAX_USERIP'      value='$proxysettings{'AUTH_MAX_USERIP'}' size='5' /></td>
<td><input type='hidden' name='AUTH_IPCACHE_TTL'     value='$proxysettings{'AUTH_IPCACHE_TTL'}' size='5' /></td>
<td><input type='hidden' name='AUTH_REALM'           value='$proxysettings{'AUTH_REALM'}'></td>
END
; }

if (!($proxysettings{'AUTH_METHOD'} eq 'ncsa')) {
print <<END
<td><input type='hidden' name='NCSA_MIN_PASS_LEN' value='$proxysettings{'NCSA_MIN_PASS_LEN'}'></td>
<td><input type='hidden' name='NCSA_BYPASS_REDIR' value='$proxysettings{'NCSA_BYPASS_REDIR'}'></td>
END
; }

if (!($proxysettings{'AUTH_METHOD'} eq 'ident')) {
print <<END
<td><input type='hidden' name='IDENT_REQUIRED'    value='$proxysettings{'IDENT_REQUIRED'}'></td>
<td><input type='hidden' name='IDENT_TIMEOUT'     value='$proxysettings{'IDENT_TIMEOUT'}'></td>
<td><input type='hidden' name='IDENT_HOSTS'       value='$proxysettings{'IDENT_HOSTS'}'></td>
<td><input type='hidden' name='IDENT_ENABLE_ACL'  value='$proxysettings{'IDENT_ENABLE_ACL'}'></td>
<td><input type='hidden' name='IDENT_USER_ACL'    value='$proxysettings{'IDENT_USER_ACL'}'></td>
<td><input type='hidden' name='IDENT_ALLOW_USERS' value='$proxysettings{'IDENT_ALLOW_USERS'}'></td>
<td><input type='hidden' name='IDENT_DENY_USERS'  value='$proxysettings{'IDENT_DENY_USERS'}'></td>
END
; }

if (!($proxysettings{'AUTH_METHOD'} eq 'ldap')) {
print <<END
<td><input type='hidden' name='LDAP_BASEDN'      value='$proxysettings{'LDAP_BASEDN'}'></td>
<td><input type='hidden' name='LDAP_TYPE'        value='$proxysettings{'LDAP_TYPE'}'></td>
<td><input type='hidden' name='LDAP_SERVER'      value='$proxysettings{'LDAP_SERVER'}'></td>
<td><input type='hidden' name='LDAP_PORT'        value='$proxysettings{'LDAP_PORT'}'></td>
<td><input type='hidden' name='LDAP_BINDDN_USER' value='$proxysettings{'LDAP_BINDDN_USER'}'></td>
<td><input type='hidden' name='LDAP_BINDDN_PASS' value='$proxysettings{'LDAP_BINDDN_PASS'}'></td>
<td><input type='hidden' name='LDAP_GROUP'       value='$proxysettings{'LDAP_GROUP'}'></td>
END
; }

if (!($proxysettings{'AUTH_METHOD'} eq 'ntlm')) {
print <<END
<td><input type='hidden' name='NTLM_DOMAIN'          value='$proxysettings{'NTLM_DOMAIN'}'></td>
<td><input type='hidden' name='NTLM_PDC'             value='$proxysettings{'NTLM_PDC'}'></td>
<td><input type='hidden' name='NTLM_BDC'             value='$proxysettings{'NTLM_BDC'}'></td>
<td><input type='hidden' name='NTLM_ENABLE_INT_AUTH' value='$proxysettings{'NTLM_ENABLE_INT_AUTH'}'></td>
<td><input type='hidden' name='NTLM_ENABLE_ACL'      value='$proxysettings{'NTLM_ENABLE_ACL'}'></td>
<td><input type='hidden' name='NTLM_USER_ACL'        value='$proxysettings{'NTLM_USER_ACL'}'></td>
<td><input type='hidden' name='NTLM_ALLOW_USERS'     value='$proxysettings{'NTLM_ALLOW_USERS'}'></td>
<td><input type='hidden' name='NTLM_DENY_USERS'      value='$proxysettings{'NTLM_DENY_USERS'}'></td>
END
; }

if (!($proxysettings{'AUTH_METHOD'} eq 'radius')) {
print <<END
<td><input type='hidden' name='RADIUS_SERVER'      value='$proxysettings{'RADIUS_SERVER'}'></td>
<td><input type='hidden' name='RADIUS_PORT'        value='$proxysettings{'RADIUS_PORT'}'></td>
<td><input type='hidden' name='RADIUS_IDENTIFIER'  value='$proxysettings{'RADIUS_IDENTIFIER'}'></td>
<td><input type='hidden' name='RADIUS_SECRET'      value='$proxysettings{'RADIUS_SECRET'}'></td>
<td><input type='hidden' name='RADIUS_ENABLE_ACL'  value='$proxysettings{'RADIUS_ENABLE_ACL'}'></td>
<td><input type='hidden' name='RADIUS_USER_ACL'    value='$proxysettings{'RADIUS_USER_ACL'}'></td>
<td><input type='hidden' name='RADIUS_ALLOW_USERS' value='$proxysettings{'RADIUS_ALLOW_USERS'}'></td>
<td><input type='hidden' name='RADIUS_DENY_USERS'  value='$proxysettings{'RADIUS_DENY_USERS'}'></td>
END
; }

print "</table>\n";

print <<END
<hr size='1'>
END
;

print <<END
<table width='100%'>
<tr>
	<td>&nbsp;</td>
	<td align='center'><input type='submit' name='ACTION' value='$Lang::tr{'save'}' /></td>
	<td align='center'><input type='submit' name='ACTION' value='$Lang::tr{'advproxy save and restart'}' /></td>
	<td align='center'><input type='submit' name='ACTION' value='$Lang::tr{'advproxy clear cache'}' /></td>
	<td>&nbsp;</td>
</tr>

</table>
<br />
<table width='100%'>
<tr>
	<td><img src='/blob.gif' align='top' alt='*' />&nbsp;
	<font class='base'>$Lang::tr{'this field may be blank'}</font>
	</td>
	<td align='right'>&nbsp;</td>
</tr>
</table>
</form>
END
;

&Header::closebox();

} else {

# ===================================================================
#  NCSA user management
# ===================================================================

&Header::openbox('100%', 'left', "$Lang::tr{'advproxy NCSA auth'}");
print <<END
<form method='post' action='$ENV{'SCRIPT_NAME'}'>
<table width='100%'>
<tr>
	<td colspan='4'><b>$Lang::tr{'advproxy NCSA user management'}</b></td>
</tr>
<tr>
	<td width='25%' class='base'>$Lang::tr{'advproxy NCSA username'}:</td>
	<td width='25%'><input type='text' name='NCSA_USERNAME' value='$proxysettings{'NCSA_USERNAME'}' size='12'
END
;
	if ($proxysettings{'ACTION'} eq $Lang::tr{'edit'}) { print " readonly "; }
	print <<END
	 /></td>
	<td width='25%' class='base'>$Lang::tr{'advproxy NCSA group'}:</td>
	<td class='base'>
		<select name='NCSA_GROUP'>
		<option value='standard' $selected{'NCSA_GROUP'}{'standard'}>$Lang::tr{'advproxy NCSA grp standard'}</option>
		<option value='extended' $selected{'NCSA_GROUP'}{'extended'}>$Lang::tr{'advproxy NCSA grp extended'}</option>
		<option value='disabled' $selected{'NCSA_GROUP'}{'disabled'}>$Lang::tr{'advproxy NCSA grp disabled'}</option>
		</select>
	</td>

</tr>
<tr>
	<td class='base'>$Lang::tr{'advproxy NCSA password'}:</td>
	<td><input type='password' name='NCSA_PASS' value='$proxysettings{'NCSA_PASS'}' size='14' /></td>
	<td class='base'>$Lang::tr{'advproxy NCSA password confirm'}:</td>
	<td><input type='password' name='NCSA_PASS_CONFIRM' value='$proxysettings{'NCSA_PASS_CONFIRM'}' size='14' /></td>
</tr>
</table>
<br>
<table>
<tr>
	<td>&nbsp;</td>
	<td><input type='submit' name='SUBMIT' value='$ncsa_buttontext' /></td>
	<td><input type='hidden' name='ACTION' value='$Lang::tr{'add'}' /></td>
	<td><input type='hidden' name='NCSA_MIN_PASS_LEN' value='$proxysettings{'NCSA_MIN_PASS_LEN'}'></td>
END
;
	if ($proxysettings{'ACTION'} eq $Lang::tr{'edit'}) {
		print "<td><input type='reset' name='ACTION' value='$Lang::tr{'advproxy reset'}' /></td>\n";
	}

print <<END
	<td>&nbsp;</td>
	<td>&nbsp;</td>
	<td><input type='button' name='return2main' value='$Lang::tr{'advproxy back to main page'}' onClick='self.location.href="$ENV{'SCRIPT_NAME'}"'></td>
</tr>
</table>
</form>
<hr size='1'>
<table width='100%'>
<tr>
	<td><b>$Lang::tr{'advproxy NCSA user accounts'}:</b></td>
</tr>
</table>
<table width='100%' align='center'>
END
;

if (-e $extgrp)
{
	open(FILE, $extgrp); @grouplist = <FILE>; close(FILE);
	foreach $user (@grouplist) { chomp($user); push(@userlist,$user.":extended"); }
}
if (-e $stdgrp)
{
	open(FILE, $stdgrp); @grouplist = <FILE>; close(FILE);
	foreach $user (@grouplist) { chomp($user); push(@userlist,$user.":standard"); }
}
if (-e $disgrp)
{
	open(FILE, $disgrp); @grouplist = <FILE>; close(FILE);
	foreach $user (@grouplist) { chomp($user); push(@userlist,$user.":disabled"); }
}

@userlist = sort(@userlist);

# If the password file contains entries, print entries and action icons

if ( $userdb ne "" ) {
	print <<END
	<tr>
		<td width='30%' class='boldbase' align='center'><b><i>$Lang::tr{'advproxy NCSA username'}</i></b></td>
		<td width='30%' class='boldbase' align='center'><b><i>$Lang::tr{'advproxy NCSA group membership'}</i></b></td>
		<td class='boldbase' colspan='2' align='center'>&nbsp;</td>
	</tr>
END
;
	$id = 0;
	foreach $line (@userlist)
	{
		$id++;
		chomp($line);
		@temp = split(/:/,$line);
		if($proxysettings{'ACTION'} eq $Lang::tr{'edit'} && $proxysettings{'ID'} eq $line) {
			print "<tr bgcolor='$Header::colouryellow'>\n"; }
		elsif ($id % 2) {
			print "<tr bgcolor='$color{'color20'}'>\n"; }
		else {
			print "<tr bgcolor='$color{'color22'}'>\n"; }

		print <<END
		<td align='center'>$temp[0]</td>
		<td align='center'>
END
;
		if ($temp[1] eq 'standard') {
			print $Lang::tr{'advproxy NCSA grp standard'};
		} elsif ($temp[1] eq 'extended') {
			print $Lang::tr{'advproxy NCSA grp extended'};
		} elsif ($temp[1] eq 'disabled') {
			print $Lang::tr{'advproxy NCSA grp disabled'}; }
		print <<END
		</td>
		<td width='8%' align='center'>
		<form method='post' name='frma$id' action='$ENV{'SCRIPT_NAME'}'>
		<input type='image' name='$Lang::tr{'edit'}' src='/images/edit.gif' title='$Lang::tr{'edit'}' alt='$Lang::tr{'edit'}' />
		<input type='hidden' name='ID' value='$line' />
		<input type='hidden' name='ACTION' value='$Lang::tr{'edit'}' />
		</form>
		</td>

		<td width='8%' align='center'>
		<form method='post' name='frmb$id' action='$ENV{'SCRIPT_NAME'}'>
		<input type='image' name='$Lang::tr{'remove'}' src='/images/delete.gif' title='$Lang::tr{'remove'}' alt='$Lang::tr{'remove'}' />
		<input type='hidden' name='ID' value='$temp[0]' />
		<input type='hidden' name='ACTION' value='$Lang::tr{'remove'}' />
		</form>
		</td>
	</tr>
END
;
	}

print <<END
</table>
<br>
<table>
<tr>
	<td class='boldbase'>&nbsp; <b>$Lang::tr{'legend'}:</b></td>
	<td>&nbsp; &nbsp; <img src='/images/edit.gif' alt='$Lang::tr{'edit'}' /></td>
	<td class='base'>$Lang::tr{'edit'}</td>
	<td>&nbsp; &nbsp; <img src='/images/delete.gif' alt='$Lang::tr{'remove'}' /></td>
	<td class='base'>$Lang::tr{'remove'}</td>
</tr>
END
;
} else {
	print <<END
	<tr>
		<td><i>$Lang::tr{'advproxy NCSA no accounts'}</i></td>
	</tr>
END
;
}

print <<END
</table>
END
;

&Header::closebox();

}

# ===================================================================

&Header::closebigbox();

&Header::closepage();

# -------------------------------------------------------------------

sub read_acls
{
	if (-e "$acl_src_subnets") {
		open(FILE,"$acl_src_subnets");
		delete $proxysettings{'SRC_SUBNETS'};
		while (<FILE>) { $proxysettings{'SRC_SUBNETS'} .= $_ };
		close(FILE);
	}
	if (-e "$acl_src_banned_ip") {
		open(FILE,"$acl_src_banned_ip");
		delete $proxysettings{'SRC_BANNED_IP'};
		while (<FILE>) { $proxysettings{'SRC_BANNED_IP'} .= $_ };
		close(FILE);
	}
	if (-e "$acl_src_banned_mac") {
		open(FILE,"$acl_src_banned_mac");
		delete $proxysettings{'SRC_BANNED_MAC'};
		while (<FILE>) { $proxysettings{'SRC_BANNED_MAC'} .= $_ };
		close(FILE);
	}
	if (-e "$acl_src_unrestricted_ip") {
		open(FILE,"$acl_src_unrestricted_ip");
		delete $proxysettings{'SRC_UNRESTRICTED_IP'};
		while (<FILE>) { $proxysettings{'SRC_UNRESTRICTED_IP'} .= $_ };
		close(FILE);
	}
	if (-e "$acl_src_unrestricted_mac") {
		open(FILE,"$acl_src_unrestricted_mac");
		delete $proxysettings{'SRC_UNRESTRICTED_MAC'};
		while (<FILE>) { $proxysettings{'SRC_UNRESTRICTED_MAC'} .= $_ };
		close(FILE);
	}
	if (-e "$acl_dst_nocache") {
		open(FILE,"$acl_dst_nocache");
		delete $proxysettings{'DST_NOCACHE'};
		while (<FILE>) { $proxysettings{'DST_NOCACHE'} .= $_ };
		close(FILE);
	}
	if (-e "$acl_dst_noauth") {
		open(FILE,"$acl_dst_noauth");
		delete $proxysettings{'DST_NOAUTH'};
		while (<FILE>) { $proxysettings{'DST_NOAUTH'} .= $_ };
		close(FILE);
	}
	if (-e "$acl_ports_safe") {
		open(FILE,"$acl_ports_safe");
		delete $proxysettings{'PORTS_SAFE'};
		while (<FILE>) { $proxysettings{'PORTS_SAFE'} .= $_ };
		close(FILE);
	}
	if (-e "$acl_ports_ssl") {
		open(FILE,"$acl_ports_ssl");
		delete $proxysettings{'PORTS_SSL'};
		while (<FILE>) { $proxysettings{'PORTS_SSL'} .= $_ };
		close(FILE);
	}
	if (-e "$mimetypes") {
		open(FILE,"$mimetypes");
		delete $proxysettings{'MIME_TYPES'};
		while (<FILE>) { $proxysettings{'MIME_TYPES'} .= $_ };
		close(FILE);
	}
	if (-e "$ntlmdir/msntauth.allowusers") {
		open(FILE,"$ntlmdir/msntauth.allowusers");
		delete $proxysettings{'NTLM_ALLOW_USERS'};
		while (<FILE>) { $proxysettings{'NTLM_ALLOW_USERS'} .= $_ };
		close(FILE);
	}
	if (-e "$ntlmdir/msntauth.denyusers") {
		open(FILE,"$ntlmdir/msntauth.denyusers");
		delete $proxysettings{'NTLM_DENY_USERS'};
		while (<FILE>) { $proxysettings{'NTLM_DENY_USERS'} .= $_ };
		close(FILE);
	}
	if (-e "$raddir/radauth.allowusers") {
		open(FILE,"$raddir/radauth.allowusers");
		delete $proxysettings{'RADIUS_ALLOW_USERS'};
		while (<FILE>) { $proxysettings{'RADIUS_ALLOW_USERS'} .= $_ };
		close(FILE);
	}
	if (-e "$raddir/radauth.denyusers") {
		open(FILE,"$raddir/radauth.denyusers");
		delete $proxysettings{'RADIUS_DENY_USERS'};
		while (<FILE>) { $proxysettings{'RADIUS_DENY_USERS'} .= $_ };
		close(FILE);
	}
	if (-e "$identdir/identauth.allowusers") {
		open(FILE,"$identdir/identauth.allowusers");
		delete $proxysettings{'IDENT_ALLOW_USERS'};
		while (<FILE>) { $proxysettings{'IDENT_ALLOW_USERS'} .= $_ };
		close(FILE);
	}
	if (-e "$identdir/identauth.denyusers") {
		open(FILE,"$identdir/identauth.denyusers");
		delete $proxysettings{'IDENT_DENY_USERS'};
		while (<FILE>) { $proxysettings{'IDENT_DENY_USERS'} .= $_ };
		close(FILE);
	}
	if (-e "$identhosts") {
		open(FILE,"$identhosts");
		delete $proxysettings{'IDENT_HOSTS'};
		while (<FILE>) { $proxysettings{'IDENT_HOSTS'} .= $_ };
		close(FILE);
	}
	if (-e "$cre_groups") {
		open(FILE,"$cre_groups");
		delete $proxysettings{'CRE_GROUPS'};
		while (<FILE>) { $proxysettings{'CRE_GROUPS'} .= $_ };
		close(FILE);
	}
	if (-e "$cre_svhosts") {
		open(FILE,"$cre_svhosts");
		delete $proxysettings{'CRE_SVHOSTS'};
		while (<FILE>) { $proxysettings{'CRE_SVHOSTS'} .= $_ };
		close(FILE);
	}
}

# -------------------------------------------------------------------

sub check_acls
{
	@temp = split(/\n/,$proxysettings{'PORTS_SAFE'});
	undef $proxysettings{'PORTS_SAFE'};
	foreach (@temp)
	{
		s/^\s+//g; s/\s+$//g;
		if ($_)
		{
			$line = $_;
			if (/^[^#]+\s+#\sSquids\sport/) { s/(^[^#]+)(\s+#\sSquids\sport)/$proxysettings{'PROXY_PORT'}\2/; $line=$_; }
			s/#.*//g; s/\s+//g;
			if (/.*-.*-.*/) { $errormessage = $Lang::tr{'advproxy errmsg invalid destination port'}; }
			@templist = split(/-/);
			foreach (@templist) { unless (&General::validport($_)) { $errormessage = $Lang::tr{'advproxy errmsg invalid destination port'}; } }
			$proxysettings{'PORTS_SAFE'} .= $line."\n";
		}
	}

	@temp = split(/\n/,$proxysettings{'PORTS_SSL'});
	undef $proxysettings{'PORTS_SSL'};
	foreach (@temp)
	{
		s/^\s+//g; s/\s+$//g;
		if ($_)
		{
			$line = $_;
			s/#.*//g; s/\s+//g;
			if (/.*-.*-.*/) { $errormessage = $Lang::tr{'advproxy errmsg invalid destination port'}; }
			@templist = split(/-/);
			foreach (@templist) { unless (&General::validport($_)) { $errormessage = $Lang::tr{'advproxy errmsg invalid destination port'}; } }
			$proxysettings{'PORTS_SSL'} .= $line."\n";
		}
	}

	@temp = split(/\n/,$proxysettings{'DST_NOCACHE'});
	undef $proxysettings{'DST_NOCACHE'};
	foreach (@temp)
	{
		s/^\s+//g; s/\s+$//g;
		if ($_)
		{
			unless (/^\./) { $_ = '.'.$_; }
			$proxysettings{'DST_NOCACHE'} .= $_."\n";
		}
	}

	@temp = split(/\n/,$proxysettings{'SRC_SUBNETS'});
	undef $proxysettings{'SRC_SUBNETS'};
	foreach (@temp)
	{
		s/^\s+//g; s/\s+$//g;
		if ($_)
		{
			unless (&General::validipandmask($_)) { $errormessage = $Lang::tr{'advproxy errmsg invalid ip or mask'}; }
			$proxysettings{'SRC_SUBNETS'} .= $_."\n";
		}
	}

	@temp = split(/\n/,$proxysettings{'SRC_BANNED_IP'});
	undef $proxysettings{'SRC_BANNED_IP'};
	foreach (@temp)
	{
		s/^\s+//g; s/\s+$//g;
		if ($_)
		{
			unless (&General::validipormask($_)) { $errormessage = $Lang::tr{'advproxy errmsg invalid ip or mask'}; }
			$proxysettings{'SRC_BANNED_IP'} .= $_."\n";
		}
	}

	@temp = split(/\n/,$proxysettings{'SRC_BANNED_MAC'});
	undef $proxysettings{'SRC_BANNED_MAC'};
	foreach (@temp)
	{
		s/^\s+//g; s/\s+$//g; s/-/:/g;
		if ($_)
		{
			unless (&General::validmac($_)) { $errormessage = $Lang::tr{'advproxy errmsg invalid mac'}; }
			$proxysettings{'SRC_BANNED_MAC'} .= $_."\n";
		}
	}

	@temp = split(/\n/,$proxysettings{'SRC_UNRESTRICTED_IP'});
	undef $proxysettings{'SRC_UNRESTRICTED_IP'};
	foreach (@temp)
	{
		s/^\s+//g; s/\s+$//g;
		if ($_)
		{
			unless (&General::validipormask($_)) { $errormessage = $Lang::tr{'advproxy errmsg invalid ip or mask'}; }
			$proxysettings{'SRC_UNRESTRICTED_IP'} .= $_."\n";
		}
	}

	@temp = split(/\n/,$proxysettings{'SRC_UNRESTRICTED_MAC'});
	undef $proxysettings{'SRC_UNRESTRICTED_MAC'};
	foreach (@temp)
	{
		s/^\s+//g; s/\s+$//g; s/-/:/g;
		if ($_)
		{
			unless (&General::validmac($_)) { $errormessage = $Lang::tr{'advproxy errmsg invalid mac'}; }
			$proxysettings{'SRC_UNRESTRICTED_MAC'} .= $_."\n";
		}
	}

	@temp = split(/\n/,$proxysettings{'DST_NOAUTH'});
	undef $proxysettings{'DST_NOAUTH'};
	foreach (@temp)
	{
		s/^\s+//g; s/\s+$//g;
		if ($_)
		{
			unless (/^\./) { $_ = '.'.$_; }
			$proxysettings{'DST_NOAUTH'} .= $_."\n";
		}
	}

	if (($proxysettings{'NTLM_ENABLE_ACL'} eq 'on') && ($proxysettings{'NTLM_USER_ACL'} eq 'positive'))
	{
		@temp = split(/\n/,$proxysettings{'NTLM_ALLOW_USERS'});
		undef $proxysettings{'NTLM_ALLOW_USERS'};
		foreach (@temp)
		{
			s/^\s+//g; s/\s+$//g;
			if ($_) { $proxysettings{'NTLM_ALLOW_USERS'} .= $_."\n"; }
		}
		if ($proxysettings{'NTLM_ALLOW_USERS'} eq '') { $errormessage = $Lang::tr{'advproxy errmsg acl cannot be empty'}; }
	}

	if (($proxysettings{'NTLM_ENABLE_ACL'} eq 'on') && ($proxysettings{'NTLM_USER_ACL'} eq 'negative'))
	{
		@temp = split(/\n/,$proxysettings{'NTLM_DENY_USERS'});
		undef $proxysettings{'NTLM_DENY_USERS'};
		foreach (@temp)
		{
			s/^\s+//g; s/\s+$//g;
			if ($_) { $proxysettings{'NTLM_DENY_USERS'} .= $_."\n"; }
		}
		if ($proxysettings{'NTLM_DENY_USERS'} eq '') { $errormessage = $Lang::tr{'advproxy errmsg acl cannot be empty'}; }
	}

	if (($proxysettings{'IDENT_ENABLE_ACL'} eq 'on') && ($proxysettings{'IDENT_USER_ACL'} eq 'positive'))
	{
		@temp = split(/\n/,$proxysettings{'IDENT_ALLOW_USERS'});
		undef $proxysettings{'IDENT_ALLOW_USERS'};
		foreach (@temp)
		{
			s/^\s+//g; s/\s+$//g;
			if ($_) { $proxysettings{'IDENT_ALLOW_USERS'} .= $_."\n"; }
		}
		if ($proxysettings{'IDENT_ALLOW_USERS'} eq '') { $errormessage = $Lang::tr{'advproxy errmsg acl cannot be empty'}; }
	}

	if (($proxysettings{'IDENT_ENABLE_ACL'} eq 'on') && ($proxysettings{'IDENT_USER_ACL'} eq 'negative'))
	{
		@temp = split(/\n/,$proxysettings{'IDENT_DENY_USERS'});
		undef $proxysettings{'IDENT_DENY_USERS'};
		foreach (@temp)
		{
			s/^\s+//g; s/\s+$//g;
			if ($_) { $proxysettings{'IDENT_DENY_USERS'} .= $_."\n"; }
		}
		if ($proxysettings{'IDENT_DENY_USERS'} eq '') { $errormessage = $Lang::tr{'advproxy errmsg acl cannot be empty'}; }
	}

	if (($proxysettings{'RADIUS_ENABLE_ACL'} eq 'on') && ($proxysettings{'RADIUS_USER_ACL'} eq 'positive'))
	{
		@temp = split(/\n/,$proxysettings{'RADIUS_ALLOW_USERS'});
		undef $proxysettings{'RADIUS_ALLOW_USERS'};
		foreach (@temp)
		{
			s/^\s+//g; s/\s+$//g;
			if ($_) { $proxysettings{'RADIUS_ALLOW_USERS'} .= $_."\n"; }
		}
		if ($proxysettings{'RADIUS_ALLOW_USERS'} eq '') { $errormessage = $Lang::tr{'advproxy errmsg acl cannot be empty'}; }
	}

	if (($proxysettings{'RADIUS_ENABLE_ACL'} eq 'on') && ($proxysettings{'RADIUS_USER_ACL'} eq 'negative'))
	{
		@temp = split(/\n/,$proxysettings{'RADIUS_DENY_USERS'});
		undef $proxysettings{'RADIUS_DENY_USERS'};
		foreach (@temp)
		{
			s/^\s+//g; s/\s+$//g;
			if ($_) { $proxysettings{'RADIUS_DENY_USERS'} .= $_."\n"; }
		}
		if ($proxysettings{'RADIUS_DENY_USERS'} eq '') { $errormessage = $Lang::tr{'advproxy errmsg acl cannot be empty'}; }
	}

	@temp = split(/\n/,$proxysettings{'IDENT_HOSTS'});
	undef $proxysettings{'IDENT_HOSTS'};
	foreach (@temp)
	{
		s/^\s+//g; s/\s+$//g;
		if ($_)
		{
			unless (&General::validipormask($_)) { $errormessage = $Lang::tr{'advproxy errmsg invalid ip or mask'}; }
			$proxysettings{'IDENT_HOSTS'} .= $_."\n";
		}
	}

	@temp = split(/\n/,$proxysettings{'CRE_SVHOSTS'});
	undef $proxysettings{'CRE_SVHOSTS'};
	foreach (@temp)
	{
		s/^\s+//g; s/\s+$//g;
		if ($_)
		{
			unless (&General::validipormask($_)) { $errormessage = $Lang::tr{'advproxy errmsg invalid ip or mask'}; }
			$proxysettings{'CRE_SVHOSTS'} .= $_."\n";
		}
	}
}

# -------------------------------------------------------------------

sub write_acls
{
	open(FILE, ">$acl_src_subnets");
	flock(FILE, 2);
	if (!$proxysettings{'SRC_SUBNETS'})
	{
		print FILE "$netsettings{'GREEN_NETADDRESS'}\/$netsettings{'GREEN_NETMASK'}\n";
		if ($netsettings{'BLUE_DEV'})
		{
			print FILE "$netsettings{'BLUE_NETADDRESS'}\/$netsettings{'BLUE_NETMASK'}\n";
		}
	} else { print FILE $proxysettings{'SRC_SUBNETS'}; }
	close(FILE);

	open(FILE, ">$acl_src_banned_ip");
	flock(FILE, 2);
	print FILE $proxysettings{'SRC_BANNED_IP'};
	close(FILE);

	open(FILE, ">$acl_src_banned_mac");
	flock(FILE, 2);
	print FILE $proxysettings{'SRC_BANNED_MAC'};
	close(FILE);

	open(FILE, ">$acl_src_unrestricted_ip");
	flock(FILE, 2);
	print FILE $proxysettings{'SRC_UNRESTRICTED_IP'};
	close(FILE);

	open(FILE, ">$acl_src_unrestricted_mac");
	flock(FILE, 2);
	print FILE $proxysettings{'SRC_UNRESTRICTED_MAC'};
	close(FILE);

	open(FILE, ">$acl_dst_nocache");
	flock(FILE, 2);
	print FILE $proxysettings{'DST_NOCACHE'};
	close(FILE);

	open(FILE, ">$acl_dst_noauth");
	flock(FILE, 2);
	print FILE $proxysettings{'DST_NOAUTH'};
	close(FILE);

	open(FILE, ">$acl_ports_safe");
	flock(FILE, 2);
	if (!$proxysettings{'PORTS_SAFE'}) { print FILE $def_ports_safe; } else { print FILE $proxysettings{'PORTS_SAFE'}; }
	close(FILE);

	open(FILE, ">$acl_ports_ssl");
	flock(FILE, 2);
	if (!$proxysettings{'PORTS_SSL'}) { print FILE $def_ports_ssl; } else { print FILE $proxysettings{'PORTS_SSL'}; }
	close(FILE);

	open(FILE, ">$acl_dst_throttle");
	flock(FILE, 2);
	if ($proxysettings{'THROTTLE_BINARY'} eq 'on')
	{
		@temp = split(/\|/,$throttle_binary);
		foreach (@temp) { print FILE "\\.$_\$\n"; }
	}
	if ($proxysettings{'THROTTLE_DSKIMG'} eq 'on')
	{
		@temp = split(/\|/,$throttle_dskimg);
		foreach (@temp) { print FILE "\\.$_\$\n"; }
	}
	if ($proxysettings{'THROTTLE_MMEDIA'} eq 'on')
	{
		@temp = split(/\|/,$throttle_mmedia);
		foreach (@temp) { print FILE "\\.$_\$\n"; }
	}
	if (-s $throttled_urls)
	{
		open(URLFILE, $throttled_urls);
		@temp = <URLFILE>;
		close(URLFILE);
		foreach (@temp) { print FILE; }
	}
	close(FILE);

	open(FILE, ">$mimetypes");
	flock(FILE, 2);
	print FILE $proxysettings{'MIME_TYPES'};
	close(FILE);

	open(FILE, ">$ntlmdir/msntauth.allowusers");
	flock(FILE, 2);
	print FILE $proxysettings{'NTLM_ALLOW_USERS'};
	close(FILE);

	open(FILE, ">$ntlmdir/msntauth.denyusers");
	flock(FILE, 2);
	print FILE $proxysettings{'NTLM_DENY_USERS'};
	close(FILE);

	open(FILE, ">$raddir/radauth.allowusers");
	flock(FILE, 2);
	print FILE $proxysettings{'RADIUS_ALLOW_USERS'};
	close(FILE);

	open(FILE, ">$raddir/radauth.denyusers");
	flock(FILE, 2);
	print FILE $proxysettings{'RADIUS_DENY_USERS'};
	close(FILE);

	open(FILE, ">$identdir/identauth.allowusers");
	flock(FILE, 2);
	print FILE $proxysettings{'IDENT_ALLOW_USERS'};
	close(FILE);

	open(FILE, ">$identdir/identauth.denyusers");
	flock(FILE, 2);
	print FILE $proxysettings{'IDENT_DENY_USERS'};
	close(FILE);

	open(FILE, ">$identhosts");
	flock(FILE, 2);
	print FILE $proxysettings{'IDENT_HOSTS'};
	close(FILE);

	open(FILE, ">$cre_groups");
	flock(FILE, 2);
	print FILE $proxysettings{'CRE_GROUPS'};
	close(FILE);

	open(FILE, ">$cre_svhosts");
	flock(FILE, 2);
	print FILE $proxysettings{'CRE_SVHOSTS'};
	close(FILE);
}

# -------------------------------------------------------------------

sub writepacfile
{
	open(FILE, ">/srv/web/ipfire/html/proxy.pac");
	flock(FILE, 2);
	print FILE "function FindProxyForURL(url, host)\n";
	print FILE "{\n";
	if (($proxysettings{'ENABLE'} eq 'on') || ($proxysettings{'ENABLE_BLUE'} eq 'on'))
	{
		print FILE <<END
if (
     (isPlainHostName(host)) ||
     (dnsDomainIs(host, ".$mainsettings{'DOMAINNAME'}")) ||
     (isInNet(host, "10.0.0.0", "255.0.0.0")) ||
     (isInNet(host, "172.16.0.0", "255.240.0.0")) ||
     (isInNet(host, "169.254.0.0", "255.255.0.0")) ||
     (isInNet(host, "192.168.0.0", "255.255.0.0"))
   )
     return "DIRECT";

 else

END
;
		if ($proxysettings{'ENABLE'} eq 'on')
		{
			print FILE "if (\n";
			print FILE "     (isInNet(myIpAddress(), \"$netsettings{'GREEN_NETADDRESS'}\", \"$netsettings{'GREEN_NETMASK'}\"))";

			undef @templist;
			if (-e "$acl_src_subnets") {
				open(SUBNETS,"$acl_src_subnets");
				@templist = <SUBNETS>;
				close(SUBNETS);
			}

			foreach (@templist)
			{
				@temp = split(/\//);
				if (
					($temp[0] ne $netsettings{'GREEN_NETADDRESS'}) && ($temp[1] ne $netsettings{'GREEN_NETMASK'}) && 
					($temp[0] ne $netsettings{'BLUE_NETADDRESS'}) && ($temp[1] ne $netsettings{'BLUE_NETMASK'})
					)
				{
					chomp $temp[1];
					print FILE " ||\n     (isInNet(myIpAddress(), \"$temp[0]\", \"$temp[1]\"))";
				}
			}

			print FILE "\n";

			print FILE <<END


   )
     return "PROXY $netsettings{'GREEN_ADDRESS'}:$proxysettings{'PROXY_PORT'}";
END
;
		}
		if (($proxysettings{'ENABLE'} eq 'on') && ($proxysettings{'ENABLE_BLUE'} eq 'on') && ($netsettings{'BLUE_DEV'}))
		{
			print FILE "\n else\n\n";
		}
		if (($netsettings{'BLUE_DEV'}) && ($proxysettings{'ENABLE_BLUE'} eq 'on'))
		{
			print FILE <<END
if (
     (isInNet(myIpAddress(), "$netsettings{'BLUE_NETADDRESS'}", "$netsettings{'BLUE_NETMASK'}"))
   )
     return "PROXY $netsettings{'BLUE_ADDRESS'}:$proxysettings{'PROXY_PORT'}";
END
;
		}
	}
	print FILE "}\n";
	close(FILE);
}

# -------------------------------------------------------------------

sub writeconfig
{
	my $authrealm;
	my $delaypools;

	if ($proxysettings{'THROTTLING_GREEN_TOTAL'} +
	    $proxysettings{'THROTTLING_GREEN_HOST'}  +
	    $proxysettings{'THROTTLING_BLUE_TOTAL'}  +
	    $proxysettings{'THROTTLING_BLUE_HOST'} gt 0)
	{
		$delaypools = 1; } else { $delaypools = 0;
	}

	if ($proxysettings{'AUTH_REALM'} eq '')
	{
		$authrealm = "IPCop Advanced Proxy Server";
	} else {
		$authrealm = $proxysettings{'AUTH_REALM'};
	}

	$_ = $proxysettings{'UPSTREAM_PROXY'};
	my ($remotehost, $remoteport) = (/^(?:[a-zA-Z ]+\:\/\/)?(?:[A-Za-z0-9\_\.\-]*?(?:\:[A-Za-z0-9\_\.\-]*?)?\@)?([a-zA-Z0-9\.\_\-]*?)(?:\:([0-9]{1,5}))?(?:\/.*?)?$/);

	if ($remoteport eq '') { $remoteport = 80; }

	open(FILE, ">${General::swroot}/proxy/squid.conf");
	flock(FILE, 2);
	print FILE <<END
# Do not modify '${General::swroot}/proxy/squid.conf' directly since any changes
# you make will be overwritten whenever you resave proxy settings using the
# web interface!
#
# Instead, modify the file '$acl_include' and
# then restart the proxy service using the web interface. Changes made to the
# 'include.acl' file will propagate to the 'squid.conf' file at that time.

shutdown_lifetime 5 seconds
icp_port 0

END
	;
	print FILE "http_port $netsettings{'GREEN_ADDRESS'}:$proxysettings{'PROXY_PORT'}";
	if ($proxysettings{'TRANSPARENT'} eq 'on') { print FILE " transparent" }
	if ($proxysettings{'NO_CONNECTION_AUTH'} eq 'on') { print FILE " no-connection-auth" }
	print FILE "\n";

	if ($netsettings{'BLUE_DEV'} && $proxysettings{'ENABLE_BLUE'} eq 'on') {
		print FILE "http_port $netsettings{'BLUE_ADDRESS'}:$proxysettings{'PROXY_PORT'}";
		if ($proxysettings{'TRANSPARENT_BLUE'} eq 'on') { print FILE " transparent" }
		if ($proxysettings{'NO_CONNECTION_AUTH'} eq 'on') { print FILE " no-connection-auth" }
		print FILE "\n";
	}

	print FILE <<END

acl QUERY urlpath_regex cgi-bin \\?
cache deny QUERY
END
	;
	if (!-z $acl_dst_nocache) {
		print FILE "acl no_cache_domains dstdomain \"$acl_dst_nocache\"\n";
		print FILE "cache deny no_cache_domains\n";
	}

	print FILE <<END

cache_effective_user squid
cache_effective_group squid
umask 022

pid_filename /var/run/squid.pid

cache_mem $proxysettings{'CACHE_MEM'} MB
cache_dir aufs /var/log/cache $proxysettings{'CACHE_SIZE'} $proxysettings{'L1_DIRS'} 256

END
	;

	if (($proxysettings{'ERR_DESIGN'} eq 'ipfire' ))
	{
		print FILE "error_directory $errordir.ipfire/$proxysettings{'ERR_LANGUAGE'}\n\n";
	} else {
		print FILE "error_directory $errordir/$proxysettings{'ERR_LANGUAGE'}\n\n";
	}

	if ($proxysettings{'OFFLINE_MODE'} eq 'on') {  print FILE "offline_mode on\n\n"; }

	if ((!($proxysettings{'MEM_POLICY'} eq 'LRU')) || (!($proxysettings{'CACHE_POLICY'} eq 'LRU')))
	{
		if (!($proxysettings{'MEM_POLICY'} eq 'LRU'))
		{
			print FILE "memory_replacement_policy $proxysettings{'MEM_POLICY'}\n";
		}
		if (!($proxysettings{'CACHE_POLICY'} eq 'LRU'))
		{
			print FILE "cache_replacement_policy $proxysettings{'CACHE_POLICY'}\n";
		}
		print FILE "\n";
	}

	if ($proxysettings{'LOGGING'} eq 'on')
	{
		print FILE <<END
access_log /var/log/squid/access.log
cache_log /var/log/squid/cache.log
cache_store_log none
END
	;
		if ($proxysettings{'LOGUSERAGENT'} eq 'on') { print FILE "useragent_log \/var\/log\/squid\/user_agent.log\n"; }
		if ($proxysettings{'LOGQUERY'} eq 'on') { print FILE "\nstrip_query_terms off\n"; }
	} else {
		print FILE <<END
access_log /dev/null
cache_log /dev/null
cache_store_log none
END
	;}
	print FILE <<END

log_mime_hdrs off
END
	;

	if ($proxysettings{'FORWARD_IPADDRESS'} eq 'on')
	{
		print FILE "forwarded_for on\n";
	} else {
		print FILE "forwarded_for off\n";
	}
	if ($proxysettings{'FORWARD_VIA'} eq 'on')
	{
		print FILE "via on\n";
	} else {
		print FILE "via off\n";
	}
	print FILE "\n";

	if ((!($proxysettings{'AUTH_METHOD'} eq 'none')) && (!($proxysettings{'AUTH_METHOD'} eq 'ident')))
	{
		if ($proxysettings{'AUTH_METHOD'} eq 'ncsa')
		{
			print FILE "auth_param basic program $authdir/ncsa_auth $userdb\n";
			print FILE "auth_param basic children $proxysettings{'AUTH_CHILDREN'}\n";
			print FILE "auth_param basic realm $authrealm\n";
			print FILE "auth_param basic credentialsttl $proxysettings{'AUTH_CACHE_TTL'} minutes\n";
			if (!($proxysettings{'AUTH_IPCACHE_TTL'} eq '0')) { print FILE "\nauthenticate_ip_ttl $proxysettings{'AUTH_IPCACHE_TTL'} minutes\n"; }
		}

		if ($proxysettings{'AUTH_METHOD'} eq 'ldap')
		{
			print FILE "auth_param basic program $authdir/squid_ldap_auth -b \"$proxysettings{'LDAP_BASEDN'}\"";
			if (!($proxysettings{'LDAP_BINDDN_USER'} eq '')) { print FILE " -D \"$proxysettings{'LDAP_BINDDN_USER'}\""; }
			if (!($proxysettings{'LDAP_BINDDN_PASS'} eq '')) { print FILE " -w $proxysettings{'LDAP_BINDDN_PASS'}"; }
			if ($proxysettings{'LDAP_TYPE'} eq 'ADS')
			{
				if ($proxysettings{'LDAP_GROUP'} eq '')
				{
					print FILE " -f \"(\&(objectClass=person)(sAMAccountName=\%s))\"";
				} else {
					print FILE " -f \"(\&(\&(objectClass=person)(sAMAccountName=\%s))(memberOf=$proxysettings{'LDAP_GROUP'}))\"";
				}
				print FILE " -u sAMAccountName -P";
			}
			if ($proxysettings{'LDAP_TYPE'} eq 'NDS')
			{
				if ($proxysettings{'LDAP_GROUP'} eq '')
				{
					print FILE " -f \"(\&(objectClass=person)(cn=\%s))\"";
				} else {
					print FILE " -f \"(\&(\&(objectClass=person)(cn=\%s))(groupMembership=$proxysettings{'LDAP_GROUP'}))\"";
				}
				print FILE " -u cn -P";
			}
			if (($proxysettings{'LDAP_TYPE'} eq 'V2') || ($proxysettings{'LDAP_TYPE'} eq 'V3'))
			{
				if ($proxysettings{'LDAP_GROUP'} eq '')
				{
					print FILE " -f \"(\&(objectClass=person)(uid=\%s))\"";
				} else {
					print FILE " -f \"(\&(\&(objectClass=person)(uid=\%s))(memberOf=$proxysettings{'LDAP_GROUP'}))\"";
				}
				if ($proxysettings{'LDAP_TYPE'} eq 'V2') { print FILE " -v 2"; }
				if ($proxysettings{'LDAP_TYPE'} eq 'V3') { print FILE " -v 3"; }
				print FILE " -u uid -P";
			}
			print FILE " $proxysettings{'LDAP_SERVER'}:$proxysettings{'LDAP_PORT'}\n";
			print FILE "auth_param basic children $proxysettings{'AUTH_CHILDREN'}\n";
			print FILE "auth_param basic realm $authrealm\n";
			print FILE "auth_param basic credentialsttl $proxysettings{'AUTH_CACHE_TTL'} minutes\n";
			if (!($proxysettings{'AUTH_IPCACHE_TTL'} eq '0')) { print FILE "\nauthenticate_ip_ttl $proxysettings{'AUTH_IPCACHE_TTL'} minutes\n"; }
		}

		if ($proxysettings{'AUTH_METHOD'} eq 'ntlm')
		{
			if ($proxysettings{'NTLM_ENABLE_INT_AUTH'} eq 'on')
			{
				print FILE "auth_param ntlm program $authdir/ntlm_auth $proxysettings{'NTLM_DOMAIN'}/$proxysettings{'NTLM_PDC'}";
				if ($proxysettings{'NTLM_BDC'} eq '') { print FILE "\n"; } else { print FILE " $proxysettings{'NTLM_DOMAIN'}/$proxysettings{'NTLM_BDC'}\n"; }
				print FILE "auth_param ntlm children $proxysettings{'AUTH_CHILDREN'}\n";
				if (!($proxysettings{'AUTH_IPCACHE_TTL'} eq '0')) { print FILE "\nauthenticate_ip_ttl $proxysettings{'AUTH_IPCACHE_TTL'} minutes\n"; }
			} else {
				print FILE "auth_param basic program $authdir/msnt_auth\n";
				print FILE "auth_param basic children $proxysettings{'AUTH_CHILDREN'}\n";
				print FILE "auth_param basic realm $authrealm\n";
				print FILE "auth_param basic credentialsttl $proxysettings{'AUTH_CACHE_TTL'} minutes\n";
				if (!($proxysettings{'AUTH_IPCACHE_TTL'} eq '0')) { print FILE "\nauthenticate_ip_ttl $proxysettings{'AUTH_IPCACHE_TTL'} minutes\n"; }

				open(MSNTCONF, ">$ntlmdir/msntauth.conf");
				flock(MSNTCONF,2);
				print MSNTCONF "server $proxysettings{'NTLM_PDC'}";
				if ($proxysettings{'NTLM_BDC'} eq '') { print MSNTCONF " $proxysettings{'NTLM_PDC'}"; } else { print MSNTCONF " $proxysettings{'NTLM_BDC'}"; }
				print MSNTCONF " $proxysettings{'NTLM_DOMAIN'}\n";
				if ($proxysettings{'NTLM_ENABLE_ACL'} eq 'on')
				{
					if ($proxysettings{'NTLM_USER_ACL'} eq 'positive')
					{
						print MSNTCONF "allowusers $ntlmdir/msntauth.allowusers\n";
					} else {
						print MSNTCONF "denyusers $ntlmdir/msntauth.denyusers\n";
					} 
				}
				close(MSNTCONF);
			}
		}

		if ($proxysettings{'AUTH_METHOD'} eq 'radius')
		{
			print FILE "auth_param basic program $authdir/squid_radius_auth -h $proxysettings{'RADIUS_SERVER'} -p $proxysettings{'RADIUS_PORT'} ";
			if (!($proxysettings{'RADIUS_IDENTIFIER'} eq '')) { print FILE "-i $proxysettings{'RADIUS_IDENTIFIER'} "; }
			print FILE "-w $proxysettings{'RADIUS_SECRET'}\n";
			print FILE "auth_param basic children $proxysettings{'AUTH_CHILDREN'}\n";
			print FILE "auth_param basic realm $authrealm\n";
			print FILE "auth_param basic credentialsttl $proxysettings{'AUTH_CACHE_TTL'} minutes\n";
			if (!($proxysettings{'AUTH_IPCACHE_TTL'} eq '0')) { print FILE "\nauthenticate_ip_ttl $proxysettings{'AUTH_IPCACHE_TTL'} minutes\n"; }
		}

		print FILE "\n";
		print FILE "acl for_inetusers proxy_auth REQUIRED\n";
		if (($proxysettings{'AUTH_METHOD'} eq 'ntlm') && ($proxysettings{'NTLM_ENABLE_INT_AUTH'} eq 'on') && ($proxysettings{'NTLM_ENABLE_ACL'} eq 'on'))
		{
			if ((!-z "$ntlmdir/msntauth.allowusers") && ($proxysettings{'NTLM_USER_ACL'} eq 'positive'))
			{
				print FILE "acl for_acl_users proxy_auth \"$ntlmdir/msntauth.allowusers\"\n";
			}
			if ((!-z "$ntlmdir/msntauth.denyusers") && ($proxysettings{'NTLM_USER_ACL'} eq 'negative'))
			{
				print FILE "acl for_acl_users proxy_auth \"$ntlmdir/msntauth.denyusers\"\n";
			}
		}
		if (($proxysettings{'AUTH_METHOD'} eq 'radius') && ($proxysettings{'RADIUS_ENABLE_ACL'} eq 'on'))
		{
			if ((!-z "$raddir/radauth.allowusers") && ($proxysettings{'RADIUS_USER_ACL'} eq 'positive'))
			{
				print FILE "acl for_acl_users proxy_auth \"$raddir/radauth.allowusers\"\n";
			}
			if ((!-z "$raddir/radauth.denyusers") && ($proxysettings{'RADIUS_USER_ACL'} eq 'negative'))
			{
				print FILE "acl for_acl_users proxy_auth \"$raddir/radauth.denyusers\"\n";
			}
		}
		if ($proxysettings{'AUTH_METHOD'} eq 'ncsa')
		{
			print FILE "\n";
			if (!-z $extgrp) { print FILE "acl for_extended_users proxy_auth \"$extgrp\"\n"; }
			if (!-z $disgrp) { print FILE "acl for_disabled_users proxy_auth \"$disgrp\"\n"; }
		}
		if (!($proxysettings{'AUTH_MAX_USERIP'} eq '')) { print FILE "\nacl concurrent max_user_ip -s $proxysettings{'AUTH_MAX_USERIP'}\n"; }
		print FILE "\n";

		if (!-z $acl_dst_noauth) { print FILE "acl to_domains_without_auth dstdomain \"$acl_dst_noauth\"\n"; }
		print FILE "\n";
	}

	if ($proxysettings{'AUTH_METHOD'} eq 'ident')
	{
		if ($proxysettings{'IDENT_REQUIRED'} eq 'on')
		{
			print FILE "acl for_inetusers ident REQUIRED\n";
		}
		if ($proxysettings{'IDENT_ENABLE_ACL'} eq 'on')
		{
			if ((!-z "$identdir/identauth.allowusers") && ($proxysettings{'IDENT_USER_ACL'} eq 'positive'))
			{
				print FILE "acl for_acl_users ident_regex -i \"$identdir/identauth.allowusers\"\n\n";
			}
			if ((!-z "$identdir/identauth.denyusers") && ($proxysettings{'IDENT_USER_ACL'} eq 'negative'))
			{
				print FILE "acl for_acl_users ident_regex -i \"$identdir/identauth.denyusers\"\n\n";
			}
		}
		if (!-z $acl_dst_noauth) { print FILE "acl to_domains_without_auth dstdomain \"$acl_dst_noauth\"\n"; }
		print FILE "\n";
	}

	if (($delaypools) && (!-z $acl_dst_throttle)) { print FILE "acl for_throttled_urls url_regex -i \"$acl_dst_throttle\"\n\n"; }

	if ($proxysettings{'ENABLE_BROWSER_CHECK'} eq 'on') { print FILE "acl with_allowed_useragents browser $browser_regexp\n\n"; }

	print FILE "acl within_timeframe time "; 
	if ($proxysettings{'TIME_MON'} eq 'on') { print FILE "M"; }
	if ($proxysettings{'TIME_TUE'} eq 'on') { print FILE "T"; }
	if ($proxysettings{'TIME_WED'} eq 'on') { print FILE "W"; }
	if ($proxysettings{'TIME_THU'} eq 'on') { print FILE "H"; }
	if ($proxysettings{'TIME_FRI'} eq 'on') { print FILE "F"; }
	if ($proxysettings{'TIME_SAT'} eq 'on') { print FILE "A"; }
	if ($proxysettings{'TIME_SUN'} eq 'on') { print FILE "S"; }
	print FILE " $proxysettings{'TIME_FROM_HOUR'}:";
	print FILE "$proxysettings{'TIME_FROM_MINUTE'}-";
	print FILE "$proxysettings{'TIME_TO_HOUR'}:";
	print FILE "$proxysettings{'TIME_TO_MINUTE'}\n\n";

	if ((!-z $mimetypes) && ($proxysettings{'ENABLE_MIME_FILTER'} eq 'on')) {
		print FILE "acl blocked_mimetypes rep_mime_type \"$mimetypes\"\n\n";
	}

	print FILE <<END
acl all src 0.0.0.0/0.0.0.0
acl localhost src 127.0.0.1/255.255.255.255
END
;
open (PORTS,"$acl_ports_ssl");
@temp = <PORTS>;
close PORTS;
if (@temp)
{
	foreach (@temp) { print FILE "acl SSL_ports port $_"; }
}
open (PORTS,"$acl_ports_safe");
@temp = <PORTS>;
close PORTS;
if (@temp)
{
	foreach (@temp) { print FILE "acl Safe_ports port $_"; }
}
	print FILE <<END

acl IPCop_http  port $http_port
acl IPCop_https port $https_port
acl IPCop_ips              dst $netsettings{'GREEN_ADDRESS'}
acl IPCop_networks         src "$acl_src_subnets"
acl IPCop_servers          dst "$acl_src_subnets"
acl IPCop_green_network    src $netsettings{'GREEN_NETADDRESS'}/$netsettings{'GREEN_NETMASK'}
acl IPCop_green_servers    dst $netsettings{'GREEN_NETADDRESS'}/$netsettings{'GREEN_NETMASK'}
END
	;
	if ($netsettings{'BLUE_DEV'}) { print FILE "acl IPCop_blue_network     src $netsettings{'BLUE_NETADDRESS'}/$netsettings{'BLUE_NETMASK'}\n"; }
	if ($netsettings{'BLUE_DEV'}) { print FILE "acl IPCop_blue_servers     dst $netsettings{'BLUE_NETADDRESS'}/$netsettings{'BLUE_NETMASK'}\n"; }
	if (!-z $acl_src_banned_ip) { print FILE "acl IPCop_banned_ips       src \"$acl_src_banned_ip\"\n"; }
	if (!-z $acl_src_banned_mac) { print FILE "acl IPCop_banned_mac       arp \"$acl_src_banned_mac\"\n"; }
	if (!-z $acl_src_unrestricted_ip) { print FILE "acl IPCop_unrestricted_ips src \"$acl_src_unrestricted_ip\"\n"; }
	if (!-z $acl_src_unrestricted_mac) { print FILE "acl IPCop_unrestricted_mac arp \"$acl_src_unrestricted_mac\"\n"; }
	print FILE <<END
acl CONNECT method CONNECT
END
	;

	if ($proxysettings{'CLASSROOM_EXT'} eq 'on') {
		print FILE <<END

#Classroom extensions
acl IPCop_no_access_ips src "$acl_src_noaccess_ip"
acl IPCop_no_access_mac arp "$acl_src_noaccess_mac"
END
		;
		print FILE "deny_info ";
		if ((($proxysettings{'ERR_DESIGN'} eq 'ipfire') && (-e "$errordir.ipfire/$proxysettings{'ERR_LANGUAGE'}/ERR_ACCESS_DISABLED")) ||
		    (($proxysettings{'ERR_DESIGN'} eq 'squid') && (-e "$errordir/$proxysettings{'ERR_LANGUAGE'}/ERR_ACCESS_DISABLED")))
		{
			print FILE "ERR_ACCESS_DISABLED";
		} else {
			print FILE "ERR_ACCESS_DENIED";
		}
		print FILE " IPCop_no_access_ips\n";
		print FILE "deny_info ";
		if ((($proxysettings{'ERR_DESIGN'} eq 'ipfire') && (-e "$errordir.ipfire/$proxysettings{'ERR_LANGUAGE'}/ERR_ACCESS_DISABLED")) ||
		    (($proxysettings{'ERR_DESIGN'} eq 'squid') && (-e "$errordir/$proxysettings{'ERR_LANGUAGE'}/ERR_ACCESS_DISABLED")))
		{
			print FILE "ERR_ACCESS_DISABLED";
		} else {
			print FILE "ERR_ACCESS_DENIED";
		}
		print FILE " IPCop_no_access_mac\n";

		print FILE <<END
http_access deny IPCop_no_access_ips
http_access deny IPCop_no_access_mac
END
	;
	}

	#Insert acl file and replace __VAR__ with correct values
	my $blue_net = ''; #BLUE empty by default
	my $blue_ip = '';
	if ($netsettings{'BLUE_DEV'} && $proxysettings{'ENABLE_BLUE'} eq 'on') {
		$blue_net = "$netsettings{'BLUE_NETADDRESS'}/$netsettings{'BLUE_NETMASK'}";
		$blue_ip  = "$netsettings{'BLUE_ADDRESS'}";
	}
	if (!-z $acl_include)
	{
		open (ACL, "$acl_include");
		print FILE "\n#Start of custom includes\n";
		while (<ACL>) {
			$_ =~ s/__GREEN_IP__/$netsettings{'GREEN_ADDRESS'}/;
			$_ =~ s/__GREEN_NET__/$netsettings{'GREEN_NETADDRESS'}\/$netsettings{'GREEN_NETMASK'}/;
			$_ =~ s/__BLUE_IP__/$blue_ip/;
			$_ =~ s/__BLUE_NET__/$blue_net/;
			$_ =~ s/__PROXY_PORT__/$proxysettings{'PROXY_PORT'}/;
			print FILE $_;
		}
		print FILE "#End of custom includes\n";
		close (ACL);
	}
	if ((!-z $extgrp) && ($proxysettings{'AUTH_METHOD'} eq 'ncsa') && ($proxysettings{'NCSA_BYPASS_REDIR'} eq 'on')) { print FILE "\nredirector_access deny for_extended_users\n"; }
	print FILE <<END

#Access to squid:
#local machine, no restriction
http_access allow         localhost

#GUI admin if local machine connects
http_access allow         IPCop_ips IPCop_networks IPCop_http
http_access allow CONNECT IPCop_ips IPCop_networks IPCop_https

#Deny not web services
http_access deny          !Safe_ports
http_access deny  CONNECT !SSL_ports

END
	;

if ($proxysettings{'AUTH_METHOD'} eq 'ident')
{
print FILE "#Set ident ACLs\n";
if (!-z $identhosts)
	{
		print FILE "acl on_ident_aware_hosts src \"$identhosts\"\n";
		print FILE "ident_lookup_access allow on_ident_aware_hosts\n";
		print FILE "ident_lookup_access deny all\n";
	} else {
		print FILE "ident_lookup_access allow all\n";
	}
	print FILE "ident_timeout $proxysettings{'IDENT_TIMEOUT'} seconds\n\n";
}

if ($delaypools) {
	print FILE "#Set download throttling\n";

	if ($netsettings{'BLUE_DEV'})
	{
		print FILE "delay_pools 2\n";
	} else {
		print FILE "delay_pools 1\n";
	}

	print FILE "delay_class 1 3\n";
	if ($netsettings{'BLUE_DEV'}) {	print FILE "delay_class 2 3\n"; }

	print FILE "delay_parameters 1 ";
	if ($proxysettings{'THROTTLING_GREEN_TOTAL'} eq 'unlimited')
	{
		print FILE "-1/-1";
	} else {
		print FILE $proxysettings{'THROTTLING_GREEN_TOTAL'} * 125;
		print FILE "/";
		print FILE $proxysettings{'THROTTLING_GREEN_TOTAL'} * 250;
	}

	print FILE " -1/-1 ";
	if ($proxysettings{'THROTTLING_GREEN_HOST'} eq 'unlimited')
	{
		print FILE "-1/-1";
	} else {
		print FILE $proxysettings{'THROTTLING_GREEN_HOST'} * 125;
		print FILE "/";
		print FILE $proxysettings{'THROTTLING_GREEN_HOST'} * 250;
	}
	print FILE "\n";

	if ($netsettings{'BLUE_DEV'})
	{
		print FILE "delay_parameters 2 ";
		if ($proxysettings{'THROTTLING_BLUE_TOTAL'} eq 'unlimited')
		{
			print FILE "-1/-1";
		} else {
			print FILE $proxysettings{'THROTTLING_BLUE_TOTAL'} * 125;
			print FILE "/";
			print FILE $proxysettings{'THROTTLING_BLUE_TOTAL'} * 250;
		}
		print FILE " -1/-1 ";
		if ($proxysettings{'THROTTLING_BLUE_HOST'} eq 'unlimited')
		{
			print FILE "-1/-1";
		} else {
			print FILE $proxysettings{'THROTTLING_BLUE_HOST'} * 125;
			print FILE "/";
			print FILE $proxysettings{'THROTTLING_BLUE_HOST'} * 250;
		}
		print FILE "\n";
	}

	print FILE "delay_access 1 deny  IPCop_ips\n";
	if (!-z $acl_src_unrestricted_ip)  { print FILE "delay_access 1 deny  IPCop_unrestricted_ips\n"; }
	if (!-z $acl_src_unrestricted_mac) { print FILE "delay_access 1 deny  IPCop_unrestricted_mac\n"; }
	if (($proxysettings{'AUTH_METHOD'} eq 'ncsa') && (!-z $extgrp)) { print FILE "delay_access 1 deny  for_extended_users\n"; }

	if ($netsettings{'BLUE_DEV'})
	{
		print FILE "delay_access 1 allow IPCop_green_network";
		if (!-z $acl_dst_throttle) { print FILE " for_throttled_urls"; }
		print FILE "\n";
		print FILE "delay_access 1 deny  all\n";
	} else {
		print FILE "delay_access 1 allow all";
		if (!-z $acl_dst_throttle) { print FILE " for_throttled_urls"; }
		print FILE "\n";
	}

	if ($netsettings{'BLUE_DEV'})
	{
		print FILE "delay_access 2 deny  IPCop_ips\n";
		if (!-z $acl_src_unrestricted_ip)  { print FILE "delay_access 2 deny  IPCop_unrestricted_ips\n"; }
		if (!-z $acl_src_unrestricted_mac) { print FILE "delay_access 2 deny  IPCop_unrestricted_mac\n"; }
		if (($proxysettings{'AUTH_METHOD'} eq 'ncsa') && (!-z $extgrp)) { print FILE "delay_access 2 deny  for_extended_users\n"; }
		print FILE "delay_access 2 allow IPCop_blue_network";
		if (!-z $acl_dst_throttle) { print FILE " for_throttled_urls"; }
		print FILE "\n";
		print FILE "delay_access 2 deny  all\n";
	}

	print FILE "delay_initial_bucket_level 100\n"; 
	print FILE "\n";
}

if ($proxysettings{'NO_PROXY_LOCAL'} eq 'on')
{
	print FILE "#Prevent internal proxy access to Green\n";
	print FILE "http_access deny IPCop_green_servers !IPCop_green_network\n\n";
}

if ($proxysettings{'NO_PROXY_LOCAL_BLUE'} eq 'on')
{
	print FILE "#Prevent internal proxy access from Blue\n";
	print FILE "http_access allow IPCop_blue_network IPCop_blue_servers\n";
	print FILE "http_access deny  IPCop_blue_network IPCop_servers\n\n";
}

	print FILE <<END
#Set custom configured ACLs
END
	;
	if (!-z $acl_src_banned_ip) { print FILE "http_access deny  IPCop_banned_ips\n"; }
	if (!-z $acl_src_banned_mac) { print FILE "http_access deny  IPCop_banned_mac\n"; }

	if ((!-z $acl_dst_noauth) && (!($proxysettings{'AUTH_METHOD'} eq 'none')))
	{
		if (!-z $acl_src_unrestricted_ip)
		{
			print FILE "http_access allow IPCop_unrestricted_ips to_domains_without_auth\n";
		}
		if (!-z $acl_src_unrestricted_mac)
		{
			print FILE "http_access allow IPCop_unrestricted_mac to_domains_without_auth\n";
		}
		print FILE "http_access allow IPCop_networks";
		if ($proxysettings{'TIME_ACCESS_MODE'} eq 'deny') {
			print FILE " !within_timeframe";
		} else {
			print FILE " within_timeframe"; }
		if ($proxysettings{'ENABLE_BROWSER_CHECK'} eq 'on') { print FILE " with_allowed_useragents"; }
		print FILE " to_domains_without_auth\n";
	}

	if (($proxysettings{'AUTH_METHOD'} eq 'ident') && ($proxysettings{'IDENT_REQUIRED'} eq 'on') && ($proxysettings{'AUTH_ALWAYS_REQUIRED'} eq 'on'))
	{
		print FILE "http_access deny  !for_inetusers";
		if (!-z $identhosts) { print FILE " on_ident_aware_hosts"; }
		print FILE "\n";
	}

	if (
	     ($proxysettings{'AUTH_METHOD'} eq 'ident') &&
	     ($proxysettings{'AUTH_ALWAYS_REQUIRED'} eq 'on') &&
	     ($proxysettings{'IDENT_ENABLE_ACL'} eq 'on') &&
	     ($proxysettings{'IDENT_USER_ACL'} eq 'negative') &&
	     (!-z "$identdir/identauth.denyusers")
	   )
	{
		print FILE "http_access deny  for_acl_users";
		if (($proxysettings{'AUTH_METHOD'} eq 'ident') && (!-z "$identdir/hosts")) { print FILE " on_ident_aware_hosts"; }
		print FILE "\n";
	}

	if (!-z $acl_src_unrestricted_ip)
	{
		print FILE "http_access allow IPCop_unrestricted_ips";
		if ($proxysettings{'AUTH_ALWAYS_REQUIRED'} eq 'on')
		{
			if ($proxysettings{'AUTH_METHOD'} eq 'ncsa')
			{
				if (!-z $disgrp) { print FILE " !for_disabled_users"; } else { print FILE " for_inetusers"; }
			}
			if (($proxysettings{'AUTH_METHOD'} eq 'ldap') || (($proxysettings{'AUTH_METHOD'} eq 'ntlm') && ($proxysettings{'NTLM_ENABLE_INT_AUTH'} eq 'off')) || ($proxysettings{'AUTH_METHOD'} eq 'radius'))
			{
				print FILE " for_inetusers";
			}
			if (($proxysettings{'AUTH_METHOD'} eq 'ntlm') && ($proxysettings{'NTLM_ENABLE_INT_AUTH'} eq 'on'))
			{
				if ($proxysettings{'NTLM_ENABLE_ACL'} eq 'on')
				{	
					if (($proxysettings{'NTLM_USER_ACL'} eq 'positive') && (!-z "$ntlmdir/msntauth.allowusers"))
					{
						print FILE " for_acl_users";
					}
					if (($proxysettings{'NTLM_USER_ACL'} eq 'negative') && (!-z "$ntlmdir/msntauth.denyusers"))
					{
						print FILE " !for_acl_users";
					}
				} else { print FILE " for_inetusers"; }
			}
			if (($proxysettings{'AUTH_METHOD'} eq 'radius') && ($proxysettings{'RADIUS_ENABLE_ACL'} eq 'on'))
			{
				if ($proxysettings{'RADIUS_ENABLE_ACL'} eq 'on')
				{
					if (($proxysettings{'RADIUS_USER_ACL'} eq 'positive') && (!-z "$raddir/radauth.allowusers"))
					{
						print FILE " for_acl_users";
					}
					if (($proxysettings{'RADIUS_USER_ACL'} eq 'negative') && (!-z "$raddir/radauth.denyusers"))
					{
						print FILE " !for_acl_users";
					}
				} else { print FILE " for_inetusers"; }
			}
		}
		print FILE "\n";
	}

	if (!-z $acl_src_unrestricted_mac)
	{
		print FILE "http_access allow IPCop_unrestricted_mac";
		if ($proxysettings{'AUTH_ALWAYS_REQUIRED'} eq 'on')
		{
			if ($proxysettings{'AUTH_METHOD'} eq 'ncsa')
			{
				if (!-z $disgrp) { print FILE " !for_disabled_users"; } else { print FILE " for_inetusers"; }
			}
			if (($proxysettings{'AUTH_METHOD'} eq 'ldap') || (($proxysettings{'AUTH_METHOD'} eq 'ntlm') && ($proxysettings{'NTLM_ENABLE_INT_AUTH'} eq 'off')) || ($proxysettings{'AUTH_METHOD'} eq 'radius'))
			{
				print FILE " for_inetusers";
			}
			if (($proxysettings{'AUTH_METHOD'} eq 'ntlm') && ($proxysettings{'NTLM_ENABLE_INT_AUTH'} eq 'on'))
			{
				if ($proxysettings{'NTLM_ENABLE_ACL'} eq 'on')
				{	
					if (($proxysettings{'NTLM_USER_ACL'} eq 'positive') && (!-z "$ntlmdir/msntauth.allowusers"))
					{
						print FILE " for_acl_users";
					}
					if (($proxysettings{'NTLM_USER_ACL'} eq 'negative') && (!-z "$ntlmdir/msntauth.denyusers"))
					{
						print FILE " !for_acl_users";
					}
				} else { print FILE " for_inetusers"; }
			}
			if (($proxysettings{'AUTH_METHOD'} eq 'radius') && ($proxysettings{'RADIUS_ENABLE_ACL'} eq 'on'))
			{
				if ($proxysettings{'RADIUS_ENABLE_ACL'} eq 'on')
				{
					if (($proxysettings{'RADIUS_USER_ACL'} eq 'positive') && (!-z "$raddir/radauth.allowusers"))
					{
						print FILE " for_acl_users";
					}
					if (($proxysettings{'RADIUS_USER_ACL'} eq 'negative') && (!-z "$raddir/radauth.denyusers"))
					{
						print FILE " !for_acl_users";
					}
				} else { print FILE " for_inetusers"; }
			}
		}
		print FILE "\n";
	}

	if ($proxysettings{'AUTH_METHOD'} eq 'ncsa')
	{
		if (!-z $disgrp) { print FILE "http_access deny  for_disabled_users\n"; }
		if (!-z $extgrp) { print FILE "http_access allow IPCop_networks for_extended_users\n"; }
	}

	if (
	    (
	     ($proxysettings{'AUTH_METHOD'} eq 'ntlm') &&
	     ($proxysettings{'NTLM_ENABLE_INT_AUTH'} eq 'on') &&
	     ($proxysettings{'NTLM_ENABLE_ACL'} eq 'on') &&
	     ($proxysettings{'NTLM_USER_ACL'} eq 'negative') &&
	     (!-z "$ntlmdir/msntauth.denyusers")
	    )
		||
	    (
	     ($proxysettings{'AUTH_METHOD'} eq 'radius') &&
	     ($proxysettings{'RADIUS_ENABLE_ACL'} eq 'on') &&
	     ($proxysettings{'RADIUS_USER_ACL'} eq 'negative') &&
	     (!-z "$raddir/radauth.denyusers")
	    )
		||
	    (
	     ($proxysettings{'AUTH_METHOD'} eq 'ident') &&
	     ($proxysettings{'AUTH_ALWAYS_REQUIRED'} eq 'off') &&
	     ($proxysettings{'IDENT_ENABLE_ACL'} eq 'on') &&
	     ($proxysettings{'IDENT_USER_ACL'} eq 'negative') &&
	     (!-z "$identdir/identauth.denyusers")
	    )
	   )
	{
		print FILE "http_access deny  for_acl_users";
		if (($proxysettings{'AUTH_METHOD'} eq 'ident') && (!-z "$identdir/hosts")) { print FILE " on_ident_aware_hosts"; }
		print FILE "\n";
	}

	if (($proxysettings{'AUTH_METHOD'} eq 'ident') && ($proxysettings{'IDENT_REQUIRED'} eq 'on') && (!-z "$identhosts"))
	{
		print FILE "http_access allow";
		if ($proxysettings{'TIME_ACCESS_MODE'} eq 'deny') {
			print FILE " !within_timeframe";
		} else {
			print FILE " within_timeframe"; }
		if ($proxysettings{'ENABLE_BROWSER_CHECK'} eq 'on') { print FILE " with_allowed_useragents"; }
		print FILE " !on_ident_aware_hosts\n";
	}

	print FILE "http_access allow IPCop_networks";
	if (
	    (
	     ($proxysettings{'AUTH_METHOD'} eq 'ntlm') &&
	     ($proxysettings{'NTLM_ENABLE_INT_AUTH'} eq 'on') &&
	     ($proxysettings{'NTLM_ENABLE_ACL'} eq 'on') &&
	     ($proxysettings{'NTLM_USER_ACL'} eq 'positive') &&
	     (!-z "$ntlmdir/msntauth.allowusers")
	    )
		||
	    (
	     ($proxysettings{'AUTH_METHOD'} eq 'radius') &&
	     ($proxysettings{'RADIUS_ENABLE_ACL'} eq 'on') &&
	     ($proxysettings{'RADIUS_USER_ACL'} eq 'positive') &&
	     (!-z "$raddir/radauth.allowusers")
	    )
		||
	    (
	     ($proxysettings{'AUTH_METHOD'} eq 'ident') &&
	     ($proxysettings{'IDENT_REQUIRED'} eq 'on') &&
	     ($proxysettings{'IDENT_ENABLE_ACL'} eq 'on') &&
	     ($proxysettings{'IDENT_USER_ACL'} eq 'positive') &&
	     (!-z "$identdir/identauth.allowusers")
	    )
	   )
	{
		print FILE " for_acl_users";
	} elsif (((!($proxysettings{'AUTH_METHOD'} eq 'none')) && (!($proxysettings{'AUTH_METHOD'} eq 'ident'))) ||
		(($proxysettings{'AUTH_METHOD'} eq 'ident') && ($proxysettings{'IDENT_REQUIRED'} eq 'on'))) {
		print FILE " for_inetusers";
	}
	if ((!($proxysettings{'AUTH_MAX_USERIP'} eq '')) && (!($proxysettings{'AUTH_METHOD'} eq 'none')) && (!($proxysettings{'AUTH_METHOD'} eq 'ident')))
	{
		print FILE " !concurrent";
	}
	if ($proxysettings{'TIME_ACCESS_MODE'} eq 'deny') {
		print FILE " !within_timeframe";
	} else {
		print FILE " within_timeframe"; }
	if ($proxysettings{'ENABLE_BROWSER_CHECK'} eq 'on') { print FILE " with_allowed_useragents"; }
	print FILE "\n";

	print FILE "http_access deny  all\n\n";

	if (($proxysettings{'FORWARD_IPADDRESS'} eq 'off') || ($proxysettings{'FORWARD_VIA'} eq 'off') ||
		(!($proxysettings{'FAKE_USERAGENT'} eq '')) || (!($proxysettings{'FAKE_REFERER'} eq '')))
	{
		print FILE "#Strip HTTP Header\n";

		if ($proxysettings{'FORWARD_IPADDRESS'} eq 'off')
		{
			print FILE "header_access X-Forwarded-For deny all\n";
		}
		if ($proxysettings{'FORWARD_VIA'} eq 'off')
		{
			print FILE "header_access Via deny all\n";
		}
		if (!($proxysettings{'FAKE_USERAGENT'} eq ''))
		{
			print FILE "header_access User-Agent deny all\n";
		}
		if (!($proxysettings{'FAKE_REFERER'} eq ''))
		{
			print FILE "header_access Referer deny all\n";
		}

		print FILE "\n";

		if ((!($proxysettings{'FAKE_USERAGENT'} eq '')) || (!($proxysettings{'FAKE_REFERER'} eq '')))
		{
			if (!($proxysettings{'FAKE_USERAGENT'} eq ''))
			{
				print FILE "header_replace User-Agent $proxysettings{'FAKE_USERAGENT'}\n";
			}
			if (!($proxysettings{'FAKE_REFERER'} eq ''))
			{
				print FILE "header_replace Referer $proxysettings{'FAKE_REFERER'}\n";
			}
			print FILE "\n";
		}
	}

	if ($proxysettings{'SUPPRESS_VERSION'} eq 'on') { print FILE "httpd_suppress_version_string on\n\n" }

	if ((!-z $mimetypes) && ($proxysettings{'ENABLE_MIME_FILTER'} eq 'on')) {
		if (!-z $acl_src_unrestricted_ip)  { print FILE "http_reply_access allow IPCop_unrestricted_ips\n"; }
		if (!-z $acl_src_unrestricted_mac) { print FILE "http_reply_access allow IPCop_unrestricted_mac\n"; }
		if ($proxysettings{'AUTH_METHOD'} eq 'ncsa')
		{
			if (!-z $extgrp) { print FILE "http_reply_access allow for_extended_users\n"; }
		}
		print FILE "http_reply_access deny  blocked_mimetypes\n";
		print FILE "http_reply_access allow all\n\n";
	}

	print FILE <<END
maximum_object_size $proxysettings{'MAX_SIZE'} KB
minimum_object_size $proxysettings{'MIN_SIZE'} KB

request_body_max_size $proxysettings{'MAX_OUTGOING_SIZE'} KB
END
	;
	$replybodymaxsize = 1024 * $proxysettings{'MAX_INCOMING_SIZE'};
	if ($proxysettings{'MAX_INCOMING_SIZE'} > 0) {
		if (!-z $acl_src_unrestricted_ip) { print FILE "reply_body_max_size 0 allow IPCop_unrestricted_ips\n"; }
		if (!-z $acl_src_unrestricted_mac) { print FILE "reply_body_max_size 0 allow IPCop_unrestricted_mac\n"; }
		if ($proxysettings{'AUTH_METHOD'} eq 'ncsa')
		{
			if (!-z $extgrp) { print FILE "reply_body_max_size 0 allow for_extended_users\n"; }
		}
	}
	print FILE "reply_body_max_size $replybodymaxsize allow all\n\n";

	print FILE "visible_hostname";
	if ($proxysettings{'VISIBLE_HOSTNAME'} eq '')
	{
		print FILE " $mainsettings{'HOSTNAME'}.$mainsettings{'DOMAINNAME'}\n\n";
	} else {
		print FILE " $proxysettings{'VISIBLE_HOSTNAME'}\n\n";
	}

	if (!($proxysettings{'ADMIN_MAIL_ADDRESS'} eq '')) { print FILE "cache_mgr $proxysettings{'ADMIN_MAIL_ADDRESS'}\n\n"; }

	# Write the parent proxy info, if needed.
	if ($remotehost ne '')
	{
		print FILE "cache_peer $remotehost parent $remoteport 3130 default no-query";

		# Enter authentication for the parent cache. Option format is
		# login=user:password   ($proxy1='YES')
		# login=PASS            ($proxy1='PASS')
		# login=*:password      ($proxysettings{'FORWARD_USERNAME'} eq 'on')
		if (($proxy1 eq 'YES') || ($proxy1 eq 'PASS'))
		{
			print FILE " login=$proxysettings{'UPSTREAM_USER'}";
			if ($proxy1 eq 'YES') { print FILE ":$proxysettings{'UPSTREAM_PASSWORD'}"; }
		}
		elsif ($proxysettings{'FORWARD_USERNAME'} eq 'on') { print FILE " login=*:password"; }

		print FILE "\nnever_direct allow all\n\n";
	}
	if (($proxysettings{'ENABLE_FILTER'} eq 'on') && ($proxysettings{'ENABLE_UPDXLRATOR'} eq 'on'))
	{
		print FILE "url_rewrite_program /usr/sbin/redirect_wrapper\n";
		if ($filtersettings{'CHILDREN'} > $xlratorsettings{'CHILDREN'})
		{
			print FILE "url_rewrite_children $filtersettings{'CHILDREN'}\n\n";
		} else {
			print FILE "url_rewrite_children $xlratorsettings{'CHILDREN'}\n\n";
		}
	} else
	{

		if ($proxysettings{'ENABLE_FILTER'} eq 'on')
		{
			print FILE <<END
url_rewrite_program /usr/bin/squidGuard
url_rewrite_children $filtersettings{'CHILDREN'}

END
			;
		}
		if ($proxysettings{'ENABLE_UPDXLRATOR'} eq 'on')
		{
			print FILE <<END
url_rewrite_program /usr/sbin/updxlrator
url_rewrite_children $xlratorsettings{'CHILDREN'}

END
			;
		}
	}
	close FILE;
}

# -------------------------------------------------------------------

sub adduser
{
	my ($str_user, $str_pass, $str_group) = @_;
	my @groupmembers=();

	if ($str_pass eq 'lEaVeAlOnE')
	{
		open(FILE, "$userdb");
		@groupmembers = <FILE>;
		close(FILE);
		foreach $line (@groupmembers) {	if ($line =~ /^$str_user:/i) { $str_pass = substr($line,index($line,":")); } }
		&deluser($str_user);
		open(FILE, ">>$userdb");
		flock FILE,2;
		print FILE "$str_user$str_pass";
		close(FILE);
	} else {
		&deluser($str_user);
		system("/usr/bin/htpasswd -b $userdb $str_user $str_pass");
	}

	if ($str_group eq 'standard') { open(FILE, ">>$stdgrp");
	} elsif ($str_group eq 'extended') { open(FILE, ">>$extgrp");
	} elsif ($str_group eq 'disabled') { open(FILE, ">>$disgrp"); }
	flock FILE, 2;
	print FILE "$str_user\n";
	close(FILE);

	return;
}

# -------------------------------------------------------------------

sub deluser
{
	my ($str_user) = @_;
	my $groupfile='';
	my @groupmembers=();
	my @templist=();

	foreach $groupfile ($stdgrp, $extgrp, $disgrp)
	{
		undef @templist;
		open(FILE, "$groupfile");
		@groupmembers = <FILE>;
		close(FILE);
		foreach $line (@groupmembers) { if (!($line =~ /^$str_user$/i)) { push(@templist, $line); } }
		open(FILE, ">$groupfile");
		flock FILE, 2;
		print FILE @templist;
		close(FILE);
	}

	undef @templist;
	open(FILE, "$userdb");
	@groupmembers = <FILE>;
	close(FILE);
	foreach $line (@groupmembers) { if (!($line =~ /^$str_user:/i)) { push(@templist, $line); } }
	open(FILE, ">$userdb");
	flock FILE, 2;
	print FILE @templist;
	close(FILE);

	return;
}

# -------------------------------------------------------------------