#!/usr/bin/perl
###############################################################################
#                                                                             #
# IPFire.org - A linux based firewall                                         #
# Copyright (C) 2007  Michael Tremer & Christian Schmidt                      #
#                                                                             #
# This program is free software: you can redistribute it and/or modify        #
# it under the terms of the GNU General Public License as published by        #
# the Free Software Foundation, either version 3 of the License, or           #
# (at your option) any later version.                                         #
#                                                                             #
# This program is distributed in the hope that it will be useful,             #
# but WITHOUT ANY WARRANTY; without even the implied warranty of              #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
# GNU General Public License for more details.                                #
#                                                                             #
# You should have received a copy of the GNU General Public License           #
# along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
#                                                                             #
###############################################################################

use Net::DNS;
use File::Copy;
use File::Temp qw/ tempfile tempdir /;
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";
require "${General::swroot}/countries.pl";

#workaround to suppress a warning when a variable is used only once
my @dummy = ( ${Header::colourgreen}, ${Header::colourblue} );
undef (@dummy);

###
### Initialize variables
###
my $sleepDelay = 4;	# after a call to ipsecctrl S or R, wait this delay (seconds) before reading status
			# (let the ipsec do its job)
my %netsettings=();
our %cgiparams=();
our %vpnsettings=();
my %checked=();
my %confighash=();
my %cahash=();
my %selected=();
my $warnmessage = '';
my $errormessage = '';

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

&General::readhash("${General::swroot}/ethernet/settings", \%netsettings);
$cgiparams{'ENABLED'} = 'off';
$cgiparams{'EDIT_ADVANCED'} = 'off';
$cgiparams{'ACTION'} = '';
$cgiparams{'CA_NAME'} = '';
$cgiparams{'DBG_CRYPT'} = '';
$cgiparams{'DBG_PARSING'} = '';
$cgiparams{'DBG_EMITTING'} = '';
$cgiparams{'DBG_CONTROL'} = '';
$cgiparams{'DBG_KLIPS'} = '';
$cgiparams{'DBG_DNS'} = '';
$cgiparams{'DBG_NAT_T'} = '';
$cgiparams{'KEY'} = '';
$cgiparams{'TYPE'} = '';
$cgiparams{'ADVANCED'} = '';
$cgiparams{'INTERFACE'} = '';
$cgiparams{'NAME'} = '';
$cgiparams{'LOCAL_SUBNET'} = '';
$cgiparams{'REMOTE_SUBNET'} = '';
$cgiparams{'REMOTE'} = '';
$cgiparams{'LOCAL_ID'} = '';
$cgiparams{'REMOTE_ID'} = '';
$cgiparams{'REMARK'} = '';
$cgiparams{'PSK'} = '';
$cgiparams{'CERT_NAME'} = '';
$cgiparams{'CERT_EMAIL'} = '';
$cgiparams{'CERT_OU'} = '';
$cgiparams{'CERT_ORGANIZATION'} = '';
$cgiparams{'CERT_CITY'} = '';
$cgiparams{'CERT_STATE'} = '';
$cgiparams{'CERT_COUNTRY'} = '';
$cgiparams{'SUBJECTALTNAME'} = '';
$cgiparams{'CERT_PASS1'} = '';
$cgiparams{'CERT_PASS2'} = '';
$cgiparams{'ROOTCERT_HOSTNAME'} = '';
$cgiparams{'ROOTCERT_COUNTRY'} = '';
$cgiparams{'P12_PASS'} = '';
$cgiparams{'ROOTCERT_ORGANIZATION'} = '';
$cgiparams{'ROOTCERT_HOSTNAME'} = '';
$cgiparams{'ROOTCERT_EMAIL'} = '';
$cgiparams{'ROOTCERT_OU'} = '';
$cgiparams{'ROOTCERT_CITY'} = '';
$cgiparams{'ROOTCERT_STATE'} = '';

&Header::getcgihash(\%cgiparams, {'wantfile' => 1, 'filevar' => 'FH'});

###
### Useful functions
###
sub valid_dns_host {
	my $hostname = $_[0];
	unless ($hostname) { return "No hostname"};
	my $res = new Net::DNS::Resolver;
	my $query = $res->search("$hostname");
	if ($query) {
		foreach my $rr ($query->answer) {
			## Potential bug - we are only looking at A records:
			return 0 if $rr->type eq "A";
		}
	} else {
		return $res->errorstring;
	}
}
###
### Just return true is one interface is vpn enabled
###
sub vpnenabled {
    return ($vpnsettings{'ENABLED'} eq 'on');
}
###
### old version: maintain serial number to one, without explication. 
### this	     : let the counter go, so that each cert is numbered.
###
sub cleanssldatabase
{
    if (open(FILE, ">${General::swroot}/certs/serial")) {
	print FILE "01";
	close FILE;
    }
    if (open(FILE, ">${General::swroot}/certs/index.txt")) {
	print FILE "";
	close FILE;
    }
    unlink ("${General::swroot}/certs/index.txt.old");
    unlink ("${General::swroot}/certs/serial.old");
    unlink ("${General::swroot}/certs/01.pem");
}
sub newcleanssldatabase
{
    if (! -s "${General::swroot}/certs/serial" )  {
        open(FILE, ">${General::swroot}/certs/serial");
	print FILE "01";
	close FILE;
    }
    if (! -s ">${General::swroot}/certs/index.txt") {
	system ("touch ${General::swroot}/certs/index.txt");
    }
    unlink ("${General::swroot}/certs/index.txt.old");
    unlink ("${General::swroot}/certs/serial.old");
#   unlink ("${General::swroot}/certs/01.pem");		numbering evolves. Wrong place to delete
}

###
### Call openssl and return errormessage if any
###
sub callssl ($) {
    my $opt = shift;
    my $retssl =  `/usr/bin/openssl $opt 2>&1`;	#redirect stderr
    my $ret = '';
    foreach my $line (split (/\n/, $retssl)) {
	&General::log("ipsec", "$line") if (0);		# 1 for verbose logging
	$ret .= '<br>'.$line if ( $line =~ /error|unknown/ );
    }
    if ($ret) {
        $ret= &Header::cleanhtml($ret);
    }
    return $ret ? "$Lang::tr{'openssl produced an error'}: $ret" : '' ;
}
###
### Obtain a CN from given cert
###
sub getCNfromcert ($) {
    #&General::log("ipsec", "Extracting name from $_[0]...");
    my $temp = `/usr/bin/openssl x509 -text -in $_[0]`;
    $temp =~ /Subject:.*CN=(.*)[\n]/;
    $temp = $1;
    $temp =~ s+/Email+, E+;
    $temp =~ s/ ST=/ S=/;
    $temp =~ s/,//g;
    $temp =~ s/\'//g;
    return $temp;
}
###
### Obtain Subject from given cert
###
sub getsubjectfromcert ($) {
    #&General::log("ipsec", "Extracting subject from $_[0]...");
    my $temp = `/usr/bin/openssl x509 -text -in $_[0]`;
    $temp =~ /Subject: (.*)[\n]/;
    $temp = $1;
    $temp =~ s+/Email+, E+;
    $temp =~ s/ ST=/ S=/;
    return $temp;
}
###
### Combine local subnet and connection name to make a unique name for each connection section 
### (this sub is not used now)
###
sub makeconnname ($) {
    my $conn = shift;
    my $subnet = shift;

    $subnet =~ /^(.*?)\/(.*?)$/;	# $1=IP $2=mask
    my $ip = unpack('N', &Socket::inet_aton($1));
    if (length ($2) > 2) {
	my $mm =  unpack('N', &Socket::inet_aton($2));
	while ( ($mm & 1)==0 ) {
	    $ip >>= 1; 
	    $mm >>= 1;
	};
    } else {
	$ip >>=  (32 - $2);
    }
    return sprintf ("%s-%X", $conn, $ip);
}
###
### Write a config file.
###
###Type=Host : GUI can choose the interface used (RED,GREEN,BLUE) and
###		the side is always defined as 'left'.
###		configihash[14]: 'VHOST' is allowed
###

sub writeipsecfiles {
    my %lconfighash = ();
    my %lvpnsettings = ();
    &General::readhasharray("${General::swroot}/vpn/config", \%lconfighash);
    &General::readhash("${General::swroot}/vpn/settings", \%lvpnsettings);

    open(CONF,    ">${General::swroot}/vpn/ipsec.conf") or die "Unable to open ${General::swroot}/vpn/ipsec.conf: $!";
    open(SECRETS, ">${General::swroot}/vpn/ipsec.secrets") or die "Unable to open ${General::swroot}/vpn/ipsec.secrets: $!";
    flock CONF, 2;
    flock SECRETS, 2;
    print CONF "version 2\n\n";
    print CONF "config setup\n";
    #create an ipsec Interface for each 'enabled' ones
    #loop trought configuration and add physical interfaces to the list
    my $interfaces = "\tinterfaces=\"";
    foreach my $key (keys %lconfighash) {
	next if ($lconfighash{$key}[0] ne 'on');
        $interfaces .= "%defaultroute " 		    if ($interfaces !~ /defaultroute/ && $lconfighash{$key}[26] eq 'RED');
	$interfaces .= "ipsec1=$netsettings{'GREEN_DEV'} "  if ($interfaces !~ /ipsec1/	      && $lconfighash{$key}[26] eq 'GREEN');
	$interfaces .= "ipsec2=$netsettings{'BLUE_DEV'} "   if ($interfaces !~ /ipsec2/	      && $lconfighash{$key}[26] eq 'BLUE');
	$interfaces .= "ipsec3=$netsettings{'ORANGE_DEV'} " if ($interfaces !~ /ipsec3/	      && $lconfighash{$key}[26] eq 'ORANGE');
    }
    print CONF $interfaces . "\"\n";

    my $plutodebug = '';			# build debug list
    map ($plutodebug .= $lvpnsettings{$_} eq 'on' ? lc (substr($_,4)).' ' : '',
	('DBG_CRYPT','DBG_PARSING','DBG_EMITTING','DBG_CONTROL',
	 'DBG_KLIPS','DBG_DNS','DBG_NAT_T'));
    $plutodebug = 'none' if $plutodebug eq '';  # if nothing selected, use 'none'.
    print CONF "\tklipsdebug=\"none\"\n";
    print CONF "\tplutodebug=\"$plutodebug\"\n";
    # deprecated in ipsec.conf version 2
    #print CONF "\tplutoload=%search\n";
    #print CONF "\tplutostart=%search\n";
    print CONF "\tuniqueids=yes\n";
    print CONF "\tnat_traversal=yes\n";
    print CONF "\toverridemtu=$lvpnsettings{'VPN_OVERRIDE_MTU'}\n" if ($lvpnsettings{'VPN_OVERRIDE_MTU'} ne '');
    print CONF "\tvirtual_private=%v4:10.0.0.0/8,%v4:172.16.0.0/12,%v4:192.168.0.0/16";
    print CONF ",%v4:!$netsettings{'GREEN_NETADDRESS'}/$netsettings{'GREEN_NETMASK'}";
    if (length($netsettings{'ORANGE_DEV'}) > 2) {
	print CONF ",%v4:!$netsettings{'ORANGE_NETADDRESS'}/$netsettings{'ORANGE_NETMASK'}";
    }
    if (length($netsettings{'BLUE_DEV'}) > 2) {
	print CONF ",%v4:!$netsettings{'BLUE_NETADDRESS'}/$netsettings{'BLUE_NETMASK'}";
    }
    foreach my $key (keys %lconfighash) {
	if ($lconfighash{$key}[3] eq 'net') {
	    print CONF ",%v4:!$lconfighash{$key}[11]";
	}
    }
    print CONF "\n\n";
    print CONF "conn %default\n";
    print CONF "\tkeyingtries=0\n";
    print CONF "\tdisablearrivalcheck=no\n";
    print CONF "\n";

    if (-f "${General::swroot}/certs/hostkey.pem") {
        print SECRETS ": RSA ${General::swroot}/certs/hostkey.pem\n"
    }
    my $last_secrets = ''; # old the less specifics connections
    
    foreach my $key (keys %lconfighash) {
	next if ($lconfighash{$key}[0] ne 'on');

	#remote peer is not set? => use '%any'
	$lconfighash{$key}[10] = '%any' if ($lconfighash{$key}[10] eq '');

	my $localside;
	if ($lconfighash{$key}[26] eq 'BLUE') {
		$localside = $netsettings{'BLUE_ADDRESS'};
	} elsif ($lconfighash{$key}[26] eq 'GREEN') {
		$localside = $netsettings{'GREEN_ADDRESS'};
	} elsif ($lconfighash{$key}[26] eq 'ORANGE') {
		$localside = $netsettings{'ORANGE_ADDRESS'};
	} else {	# it is RED
		$localside = $lvpnsettings{'VPN_IP'};
	}

	print CONF "conn $lconfighash{$key}[1]\n";
	print CONF "\tleft=$localside\n";
	print CONF "\tleftnexthop=%defaultroute\n" if ($lconfighash{$key}[26] eq 'RED' && $lvpnsettings{'VPN_IP'} ne '%defaultroute');
	print CONF "\tleftsubnet=$lconfighash{$key}[8]\n";

	print CONF "\tright=$lconfighash{$key}[10]\n";
	if ($lconfighash{$key}[3] eq 'net') {
	    print CONF "\trightsubnet=$lconfighash{$key}[11]\n";
	    print CONF "\trightnexthop=%defaultroute\n";
	} elsif ($lconfighash{$key}[10] eq '%any' && $lconfighash{$key}[14] eq 'on') { #vhost allowed for roadwarriors?
	    print CONF "\trightsubnet=vhost:%no,%priv\n";
	}

	# Local Cert and Remote Cert (unless auth is DN dn-auth)
	if ($lconfighash{$key}[4] eq 'cert') {
	    print CONF "\tleftcert=${General::swroot}/certs/hostcert.pem\n";
	    print CONF "\trightcert=${General::swroot}/certs/$lconfighash{$key}[1]cert.pem\n" if ($lconfighash{$key}[2] ne '%auth-dn');
	}

	# Local and Remote IDs
	print CONF "\tleftid=\"$lconfighash{$key}[7]\"\n" if ($lconfighash{$key}[7]);
	print CONF "\trightid=\"$lconfighash{$key}[9]\"\n" if ($lconfighash{$key}[9]);

	# Algorithms
	if ($lconfighash{$key}[18] && $lconfighash{$key}[19] && $lconfighash{$key}[20]) {
	    print CONF "\tike=";
	    my @encs   = split('\|', $lconfighash{$key}[18]);
	    my @ints   = split('\|', $lconfighash{$key}[19]);
	    my @groups = split('\|', $lconfighash{$key}[20]);
	    my $comma = 0;
	    foreach my $i (@encs) {
	        foreach my $j (@ints) {
	    	    foreach my $k (@groups) {
		        if ($comma != 0) { print CONF ","; } else { $comma = 1; }
		    print CONF "$i-$j-modp$k";
		}
		    }
	    }
	    if ($lconfighash{$key}[24] eq 'on') {	#only proposed algorythms?
		print CONF "!\n";
	    } else {
	        print CONF "\n";
	    }
	}
	if ($lconfighash{$key}[21] && $lconfighash{$key}[22]) {
	    print CONF "\tesp=";
	    my @encs   = split('\|', $lconfighash{$key}[21]);
	    my @ints   = split('\|', $lconfighash{$key}[22]);
	    my $comma = 0;
	    foreach my $i (@encs) {
		foreach my $j (@ints) {
		    if ($comma != 0) { print CONF ","; } else { $comma = 1; }
		    print CONF "$i-$j";
		}
	    }
	    if ($lconfighash{$key}[24] eq 'on') {	#only proposed algorythms?
		print CONF "!\n";
	    } else {
		print CONF "\n";
	    }
	}
	if ($lconfighash{$key}[23]) {
	    print CONF "\tpfsgroup=$lconfighash{$key}[23]\n";
	}

	# Lifetimes
	print CONF "\tikelifetime=$lconfighash{$key}[16]h\n" if ($lconfighash{$key}[16]);
	print CONF "\tkeylife=$lconfighash{$key}[17]h\n" if ($lconfighash{$key}[17]);

	# Aggresive mode
	print CONF "\taggrmode=yes\n" if ($lconfighash{$key}[12] eq 'on');

	# Compression
	print CONF "\tcompress=yes\n" if ($lconfighash{$key}[13] eq 'on');

	# Dead Peer Detection
	print CONF "\tdpddelay=30\n";
	print CONF "\tdpdtimeout=120\n";
	print CONF "\tdpdaction=$lconfighash{$key}[27]\n";

	# Disable pfs ?
	print CONF "\tpfs=". ($lconfighash{$key}[28] eq 'on' ? "yes\n" : "no\n");

	# Build Authentication details:  LEFTid RIGHTid : PSK psk
	my $psk_line;
	if ($lconfighash{$key}[4] eq 'psk') {
	    $psk_line = ($lconfighash{$key}[7] ? $lconfighash{$key}[7] : $localside) . " " ;
	    $psk_line .= $lconfighash{$key}[9] ? $lconfighash{$key}[9] : $lconfighash{$key}[10];  #remoteid or remote address?
	    $psk_line .= " : PSK '$lconfighash{$key}[5]'\n";
	    # if the line contains %any, it is less specific than two IP or ID, so move it at end of file.
	    if ($psk_line =~ /%any/) {
	        $last_secrets .= $psk_line;
	    } else {
	        print SECRETS $psk_line;
	    }
	    print CONF "\tauthby=secret\n";
	} else {
	    print CONF "\tauthby=rsasig\n";
	    print CONF "\tleftrsasigkey=%cert\n";
	    print CONF "\trightrsasigkey=%cert\n";
	}

	# Automatically start only if a net-to-net connection
	if ($lconfighash{$key}[3] eq 'host') {
	    print CONF "\tauto=add\n";
	} else {
	    print CONF "\tauto=start\n";
	}
	print CONF "\n";
    }#foreach key
    print SECRETS $last_secrets if ($last_secrets);
    close(CONF);
    close(SECRETS);
}

###
### Save main settings
###
if ($cgiparams{'ACTION'} eq $Lang::tr{'save'} && $cgiparams{'TYPE'} eq '' && $cgiparams{'KEY'} eq '') {
    &General::readhash("${General::swroot}/vpn/settings", \%vpnsettings);
    unless (&General::validfqdn($cgiparams{'VPN_IP'}) || &General::validip($cgiparams{'VPN_IP'})
	    || $cgiparams{'VPN_IP'} eq '%defaultroute' ) {
	$errormessage = $Lang::tr{'invalid input for hostname'};
	goto SAVE_ERROR;
    }

    unless ($cgiparams{'VPN_DELAYED_START'} =~ /^[0-9]{1,3}$/ ) { #allow 0-999 seconds !
	$errormessage = $Lang::tr{'invalid time period'};
	goto SAVE_ERROR;
    }

    unless ($cgiparams{'VPN_OVERRIDE_MTU'} =~ /^(|[0-9]{1,5})$/ ) { #allow 0-99999
	$errormessage = $Lang::tr{'vpn mtu invalid'};
	goto SAVE_ERROR;
    }

    unless ($cgiparams{'VPN_WATCH'} =~ /^(|off|on)$/ ) {
	$errormessage = $Lang::tr{'invalid input'};
	goto SAVE_ERROR;
    }

    map ($vpnsettings{$_} = $cgiparams{$_},
	('ENABLED','DBG_CRYPT','DBG_PARSING','DBG_EMITTING','DBG_CONTROL',
	 'DBG_KLIPS','DBG_DNS','DBG_NAT_T'));

    $vpnsettings{'VPN_IP'} = $cgiparams{'VPN_IP'};
    $vpnsettings{'VPN_DELAYED_START'} = $cgiparams{'VPN_DELAYED_START'};
    $vpnsettings{'VPN_OVERRIDE_MTU'} = $cgiparams{'VPN_OVERRIDE_MTU'};
    $vpnsettings{'VPN_WATCH'} = $cgiparams{'VPN_WATCH'};
    &General::writehash("${General::swroot}/vpn/settings", \%vpnsettings);
    &writeipsecfiles();
    if (&vpnenabled) {
	system('/usr/local/bin/ipsecctrl', 'S');
    } else {
	system('/usr/local/bin/ipsecctrl', 'D');
    }
    sleep $sleepDelay;
    SAVE_ERROR:
###
### Reset all step 2
###
} elsif ($cgiparams{'ACTION'} eq $Lang::tr{'remove x509'} && $cgiparams{'AREUSURE'} eq 'yes') {
    &General::readhasharray("${General::swroot}/vpn/config", \%confighash);

    foreach my $key (keys %confighash) {
	if ($confighash{$key}[4] eq 'cert') {
	    delete $confighash{$key};
	}
    }
    while (my $file = glob("${General::swroot}/{ca,certs,crls,private}/*")) {
	unlink $file
    }
    &cleanssldatabase();
    if (open(FILE, ">${General::swroot}/vpn/caconfig")) {
        print FILE "";
        close FILE;
    }
    &General::writehasharray("${General::swroot}/vpn/config", \%confighash);
    &writeipsecfiles();
    system('/usr/local/bin/ipsecctrl', 'R');
    sleep $sleepDelay;

###
### Reset all step 1
###
} elsif ($cgiparams{'ACTION'} eq $Lang::tr{'remove x509'}) {
    &Header::showhttpheaders();
    &Header::openpage($Lang::tr{'vpn configuration main'}, 1, '');
    &Header::openbigbox('100%', 'left', '', '');
    &Header::openbox('100%', 'left', $Lang::tr{'are you sure'});
    print <<END
	<form method='post' action='$ENV{'SCRIPT_NAME'}'>
	<table width='100%'>
	    <tr>
		<td align='center'>
		<input type='hidden' name='AREUSURE' value='yes' />
		<b><font color='${Header::colourred}'>$Lang::tr{'capswarning'}</font></b>:
		$Lang::tr{'resetting the vpn configuration will remove the root ca, the host certificate and all certificate based connections'}</td>
	    </tr><tr>
		<td align='center'>
		<input type='submit' name='ACTION' value='$Lang::tr{'remove x509'}' />
		<input type='submit' name='ACTION' value='$Lang::tr{'cancel'}' /></td>
	    </tr>
	</table>
	</form>
END
    ;
    &Header::closebox();
    &Header::closebigbox();
    &Header::closepage();
    exit (0);

###
### Upload CA Certificate
###
} elsif ($cgiparams{'ACTION'} eq $Lang::tr{'upload ca certificate'}) {
    &General::readhasharray("${General::swroot}/vpn/caconfig", \%cahash);

    if ($cgiparams{'CA_NAME'} !~ /^[a-zA-Z0-9]+$/) {
	$errormessage = $Lang::tr{'name must only contain characters'};
	goto UPLOADCA_ERROR;
    }

    if (length($cgiparams{'CA_NAME'}) >60) {
	$errormessage = $Lang::tr{'name too long'};
	goto VPNCONF_ERROR;
    }

    if ($cgiparams{'CA_NAME'} eq 'ca') {
	$errormessage = $Lang::tr{'name is invalid'};
	goto UPLOAD_CA_ERROR;
    }

    # Check if there is no other entry with this name
    foreach my $key (keys %cahash) {
	if ($cahash{$key}[0] eq $cgiparams{'CA_NAME'}) {
	    $errormessage = $Lang::tr{'a ca certificate with this name already exists'};
	    goto UPLOADCA_ERROR;
	}
    }

    if (ref ($cgiparams{'FH'}) ne 'Fh') {
	$errormessage = $Lang::tr{'there was no file upload'};
	goto UPLOADCA_ERROR;
    }
    # Move uploaded ca to a temporary file
    (my $fh, my $filename) = tempfile( );
    if (copy ($cgiparams{'FH'}, $fh) != 1) {
	$errormessage = $!;
	goto UPLOADCA_ERROR;
    }
    my $temp = `/usr/bin/openssl x509 -text -in $filename`;
    if ($temp !~ /CA:TRUE/i) {
	$errormessage = $Lang::tr{'not a valid ca certificate'};
	unlink ($filename);
	goto UPLOADCA_ERROR;
    } else {
	move($filename, "${General::swroot}/ca/$cgiparams{'CA_NAME'}cert.pem");
	if ($? ne 0) {
	    $errormessage = "$Lang::tr{'certificate file move failed'}: $!";
	    unlink ($filename);
	    goto UPLOADCA_ERROR;
	}
    }

    my $key = &General::findhasharraykey (\%cahash);
    $cahash{$key}[0] = $cgiparams{'CA_NAME'};
    $cahash{$key}[1] = &Header::cleanhtml(getsubjectfromcert ("${General::swroot}/ca/$cgiparams{'CA_NAME'}cert.pem"));
    &General::writehasharray("${General::swroot}/vpn/caconfig", \%cahash);
    system('/usr/local/bin/ipsecctrl', 'R');
    sleep $sleepDelay;

    UPLOADCA_ERROR:

###
### Display ca certificate
###
} elsif ($cgiparams{'ACTION'} eq $Lang::tr{'show ca certificate'}) {
    &General::readhasharray("${General::swroot}/vpn/caconfig", \%cahash);

    if ( -f "${General::swroot}/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem") {
	&Header::showhttpheaders();
	&Header::openpage($Lang::tr{'vpn configuration main'}, 1, '');
	&Header::openbigbox('100%', 'left', '', '');
	&Header::openbox('100%', 'left', "$Lang::tr{'ca certificate'}:");
	my $output = `/usr/bin/openssl x509 -text -in ${General::swroot}/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem`;
	$output = &Header::cleanhtml($output,"y");
	print "<pre>$output</pre>\n";
	&Header::closebox();
	print "<div align='center'><a href='/cgi-bin/vpnmain.cgi'>$Lang::tr{'back'}</a></div>";
	&Header::closebigbox();
	&Header::closepage();
	exit(0);
    } else {
	$errormessage = $Lang::tr{'invalid key'};
    }

###
### Export ca certificate to browser
###
} elsif ($cgiparams{'ACTION'} eq $Lang::tr{'download ca certificate'}) {
    &General::readhasharray("${General::swroot}/vpn/caconfig", \%cahash);

    if ( -f "${General::swroot}/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem" ) {
	print "Content-Type: application/force-download\n";
	print "Content-Type: application/octet-stream\r\n";
	print "Content-Disposition: attachment; filename=$cahash{$cgiparams{'KEY'}}[0]cert.pem\r\n\r\n";
	print `/usr/bin/openssl x509 -in ${General::swroot}/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem`;
	exit(0);
    } else {
	$errormessage = $Lang::tr{'invalid key'};
    }

###
### Remove ca certificate (step 2)
###
} elsif ($cgiparams{'ACTION'} eq $Lang::tr{'remove ca certificate'} && $cgiparams{'AREUSURE'} eq 'yes') {
    &General::readhasharray("${General::swroot}/vpn/config", \%confighash);
    &General::readhasharray("${General::swroot}/vpn/caconfig", \%cahash);

    if ( -f "${General::swroot}/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem" ) {
	foreach my $key (keys %confighash) {
	    my $test = `/usr/bin/openssl verify -CAfile ${General::swroot}/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem ${General::swroot}/certs/$confighash{$key}[1]cert.pem`;
	    if ($test =~ /: OK/) {
		# Delete connection
		system('/usr/local/bin/ipsecctrl', 'D', $key) if (&vpnenabled);
		unlink ("${General::swroot}/certs/$confighash{$key}[1]cert.pem");
		unlink ("${General::swroot}/certs/$confighash{$key}[1].p12");
		delete $confighash{$key};
		&General::writehasharray("${General::swroot}/vpn/config", \%confighash);
		&writeipsecfiles();
	    }
	}
	unlink ("${General::swroot}/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem");
	delete $cahash{$cgiparams{'KEY'}};
	&General::writehasharray("${General::swroot}/vpn/caconfig", \%cahash);
	system('/usr/local/bin/ipsecctrl', 'R');
	sleep $sleepDelay;
    } else {
	$errormessage = $Lang::tr{'invalid key'};
    }
###
### Remove ca certificate (step 1)
###
} elsif ($cgiparams{'ACTION'} eq $Lang::tr{'remove ca certificate'}) {
    &General::readhasharray("${General::swroot}/vpn/config", \%confighash);
    &General::readhasharray("${General::swroot}/vpn/caconfig", \%cahash);

    my $assignedcerts = 0;
    if ( -f "${General::swroot}/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem" ) {
	foreach my $key (keys %confighash) {
	    my $test = `/usr/bin/openssl verify -CAfile ${General::swroot}/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem ${General::swroot}/certs/$confighash{$key}[1]cert.pem`;
	    if ($test =~ /: OK/) {
		$assignedcerts++;
	    }
	}
	if ($assignedcerts) {
	    &Header::showhttpheaders();
	    &Header::openpage($Lang::tr{'vpn configuration main'}, 1, '');
	    &Header::openbigbox('100%', 'left', '', '');
	    &Header::openbox('100%', 'left', $Lang::tr{'are you sure'});
	    print <<END
	    <form method='post' action='$ENV{'SCRIPT_NAME'}'>
	    <table width='100%'>
	        <tr>
		    <td align='center'>
		    <input type='hidden' name='KEY' value='$cgiparams{'KEY'}' />
		    <input type='hidden' name='AREUSURE' value='yes' /></td>
		</tr><tr>
		    <td align='center'>
		    <b><font color='${Header::colourred}'>$Lang::tr{'capswarning'}</font></b>
		    $Lang::tr{'connections are associated with this ca.  deleting the ca will delete these connections as well.'}</td>
		</tr><tr>
		    <td align='center'>
		    <input type='submit' name='ACTION' value='$Lang::tr{'remove ca certificate'}' />
		    <input type='submit' name='ACTION' value='$Lang::tr{'cancel'}' /></td>
		</tr>
	    </table>
	    </form>
END
	    ;
	    &Header::closebox();
	    &Header::closebigbox();
	    &Header::closepage();
	    exit (0);
	} else {
	    unlink ("${General::swroot}/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem");
	    delete $cahash{$cgiparams{'KEY'}};
	    &General::writehasharray("${General::swroot}/vpn/caconfig", \%cahash);
	    system('/usr/local/bin/ipsecctrl', 'R');
	    sleep $sleepDelay;
	}
    } else {
	$errormessage = $Lang::tr{'invalid key'};
    }

###
### Display root certificate
###
} elsif ($cgiparams{'ACTION'} eq $Lang::tr{'show root certificate'} ||
	$cgiparams{'ACTION'} eq $Lang::tr{'show host certificate'}) {
    my $output;
    &Header::showhttpheaders();
    &Header::openpage($Lang::tr{'vpn configuration main'}, 1, '');
    &Header::openbigbox('100%', 'left', '', '');
    if ($cgiparams{'ACTION'} eq $Lang::tr{'show root certificate'}) {
	&Header::openbox('100%', 'left', "$Lang::tr{'root certificate'}:");
	$output = `/usr/bin/openssl x509 -text -in ${General::swroot}/ca/cacert.pem`;
    } else {
	&Header::openbox('100%', 'left', "$Lang::tr{'host certificate'}:");
	$output = `/usr/bin/openssl x509 -text -in ${General::swroot}/certs/hostcert.pem`;
    }
    $output = &Header::cleanhtml($output,"y");
    print "<pre>$output</pre>\n";
    &Header::closebox();
    print "<div align='center'><a href='/cgi-bin/vpnmain.cgi'>$Lang::tr{'back'}</a></div>";
    &Header::closebigbox();
    &Header::closepage();
    exit(0);

###
### Export root certificate to browser
###
} elsif ($cgiparams{'ACTION'} eq $Lang::tr{'download root certificate'}) {
    if ( -f "${General::swroot}/ca/cacert.pem" ) {
	print "Content-Type: application/force-download\n";
	print "Content-Disposition: attachment; filename=cacert.pem\r\n\r\n";
	print `/usr/bin/openssl x509 -in ${General::swroot}/ca/cacert.pem`;
	exit(0);
    }
###
### Export host certificate to browser
###
} elsif ($cgiparams{'ACTION'} eq $Lang::tr{'download host certificate'}) {
    if ( -f "${General::swroot}/certs/hostcert.pem" ) {
	print "Content-Type: application/force-download\n";
	print "Content-Disposition: attachment; filename=hostcert.pem\r\n\r\n";
	print `/usr/bin/openssl x509 -in ${General::swroot}/certs/hostcert.pem`;
	exit(0);
    }
###
### Form for generating/importing the caroot+host certificate
###
} elsif ($cgiparams{'ACTION'} eq $Lang::tr{'generate root/host certificates'} ||
	 $cgiparams{'ACTION'} eq $Lang::tr{'upload p12 file'}) {

    if (-f "${General::swroot}/ca/cacert.pem") {
	$errormessage = $Lang::tr{'valid root certificate already exists'};
	goto ROOTCERT_SKIP;
    }

    &General::readhash("${General::swroot}/vpn/settings", \%vpnsettings);
    # fill in initial values
    if ($cgiparams{'ROOTCERT_HOSTNAME'} eq '') {
	if (-e "${General::swroot}/red/active" && open(IPADDR, "${General::swroot}/red/local-ipaddress")) {
	    my $ipaddr = <IPADDR>;
	    close IPADDR;
	    chomp ($ipaddr);
	    $cgiparams{'ROOTCERT_HOSTNAME'} = (gethostbyaddr(pack("C4", split(/\./, $ipaddr)), 2))[0];
	    if ($cgiparams{'ROOTCERT_HOSTNAME'} eq '') {
		$cgiparams{'ROOTCERT_HOSTNAME'} = $ipaddr;
	    }
	}
	$cgiparams{'ROOTCERT_COUNTRY'} = $vpnsettings{'ROOTCERT_COUNTRY'} if (!$cgiparams{'ROOTCERT_COUNTRY'});
    } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'upload p12 file'}) {
	&General::log("ipsec", "Importing from p12...");

	if (ref ($cgiparams{'FH'}) ne 'Fh') {
	    $errormessage = $Lang::tr{'there was no file upload'};
	    goto ROOTCERT_ERROR;
	}

	# Move uploaded certificate request to a temporary file
	(my $fh, my $filename) = tempfile( );
	if (copy ($cgiparams{'FH'}, $fh) != 1) {
	    $errormessage = $!;
	    goto ROOTCERT_ERROR;
	}

	# Extract the CA certificate from the file
	&General::log("ipsec", "Extracting caroot from p12...");
	if (open(STDIN, "-|")) {
    	    my	$opt  = " pkcs12 -cacerts -nokeys";
		$opt .= " -in $filename";
		$opt .= " -out /tmp/newcacert";
	    $errormessage = &callssl ($opt);
	} else {	#child
	    print "$cgiparams{'P12_PASS'}\n";
	    exit (0);
	}

    	# Extract the Host certificate from the file
	if (!$errormessage) {
	    &General::log("ipsec", "Extracting host cert from p12...");
	    if (open(STDIN, "-|")) {
    		my  $opt  = " pkcs12 -clcerts -nokeys";
		    $opt .= " -in $filename";
		    $opt .= " -out /tmp/newhostcert";
		$errormessage = &callssl ($opt);
	    } else {	#child
		print "$cgiparams{'P12_PASS'}\n";
		exit (0);
	    }
	}

	# Extract the Host key from the file
	if (!$errormessage) {
	    &General::log("ipsec", "Extracting private key from p12...");
	    if (open(STDIN, "-|")) {
    		my  $opt  = " pkcs12 -nocerts -nodes";
		    $opt .= " -in $filename";
		    $opt .= " -out /tmp/newhostkey";
		$errormessage = &callssl ($opt);
	    } else {	#child
		print "$cgiparams{'P12_PASS'}\n";
		exit (0);
	    }
	}

	if (!$errormessage) {
	    &General::log("ipsec", "Moving cacert...");
	    move("/tmp/newcacert", "${General::swroot}/ca/cacert.pem");
	    $errormessage = "$Lang::tr{'certificate file move failed'}: $!" if ($? ne 0);
    	}

	if (!$errormessage) {
	    &General::log("ipsec", "Moving host cert...");
	    move("/tmp/newhostcert", "${General::swroot}/certs/hostcert.pem");
	    $errormessage = "$Lang::tr{'certificate file move failed'}: $!" if ($? ne 0);
        }

	if (!$errormessage) {
	    &General::log("ipsec", "Moving private key...");
	    move("/tmp/newhostkey", "${General::swroot}/certs/hostkey.pem");
	    $errormessage = "$Lang::tr{'certificate file move failed'}: $!" if ($? ne 0);
        }
	
	#cleanup temp files
	unlink ($filename);
	unlink ('/tmp/newcacert');
	unlink ('/tmp/newhostcert');
	unlink ('/tmp/newhostkey');
	if ($errormessage) {
	    unlink ("${General::swroot}/ca/cacert.pem");
	    unlink ("${General::swroot}/certs/hostcert.pem");
	    unlink ("${General::swroot}/certs/hostkey.pem");
	    goto ROOTCERT_ERROR;
	}

	# Create empty CRL cannot be done because we don't have
	# the private key for this CAROOT
	# IPFire can only import certificates

	&General::log("ipsec", "p12 import completed!");
	&cleanssldatabase();
	goto ROOTCERT_SUCCESS;

    } elsif ($cgiparams{'ROOTCERT_COUNTRY'} ne '') {

	# Validate input since the form was submitted
	if ($cgiparams{'ROOTCERT_ORGANIZATION'} eq ''){
	    $errormessage = $Lang::tr{'organization cant be empty'};
	    goto ROOTCERT_ERROR;
	}
	if (length($cgiparams{'ROOTCERT_ORGANIZATION'}) >60) {
	    $errormessage = $Lang::tr{'organization too long'};
	    goto ROOTCERT_ERROR;
	}
	if ($cgiparams{'ROOTCERT_ORGANIZATION'} !~ /^[a-zA-Z0-9 ,\.\-_]*$/) {
	    $errormessage = $Lang::tr{'invalid input for organization'};
	    goto ROOTCERT_ERROR;
	}
	if ($cgiparams{'ROOTCERT_HOSTNAME'} eq ''){
	    $errormessage = $Lang::tr{'hostname cant be empty'};
	    goto ROOTCERT_ERROR;
	}
	unless (&General::validfqdn($cgiparams{'ROOTCERT_HOSTNAME'}) || &General::validip($cgiparams{'ROOTCERT_HOSTNAME'})) {
	    $errormessage = $Lang::tr{'invalid input for hostname'};
	    goto ROOTCERT_ERROR;
	}
	if ($cgiparams{'ROOTCERT_EMAIL'} ne '' && (! &General::validemail($cgiparams{'ROOTCERT_EMAIL'}))) {
	    $errormessage = $Lang::tr{'invalid input for e-mail address'};
	    goto ROOTCERT_ERROR;
	}
	if (length($cgiparams{'ROOTCERT_EMAIL'}) > 40) {
	    $errormessage = $Lang::tr{'e-mail address too long'};
	    goto ROOTCERT_ERROR;
	}
	if ($cgiparams{'ROOTCERT_OU'} ne '' && $cgiparams{'ROOTCERT_OU'} !~ /^[a-zA-Z0-9 ,\.\-_]*$/) {
	    $errormessage = $Lang::tr{'invalid input for department'};
	    goto ROOTCERT_ERROR;
	}
	if ($cgiparams{'ROOTCERT_CITY'} ne '' && $cgiparams{'ROOTCERT_CITY'} !~ /^[a-zA-Z0-9 ,\.\-_]*$/) {
	    $errormessage = $Lang::tr{'invalid input for city'};
	    goto ROOTCERT_ERROR;
	}
	if ($cgiparams{'ROOTCERT_STATE'} ne '' && $cgiparams{'ROOTCERT_STATE'} !~ /^[a-zA-Z0-9 ,\.\-_]*$/) {
	    $errormessage = $Lang::tr{'invalid input for state or province'};
	    goto ROOTCERT_ERROR;
	}
	if ($cgiparams{'ROOTCERT_COUNTRY'} !~ /^[A-Z]*$/) {
	    $errormessage = $Lang::tr{'invalid input for country'};
	    goto ROOTCERT_ERROR;
	}
	#the exact syntax is a list comma separated of 
	#  email:any-validemail
	#	URI: a uniform resource indicator
	#   DNS: a DNS domain name
	#   RID: a registered OBJECT IDENTIFIER
	#   IP: an IP address
	# example: email:franck@foo.com,IP:10.0.0.10,DNS:franck.foo.com

	if ($cgiparams{'SUBJECTALTNAME'} ne '' && $cgiparams{'SUBJECTALTNAME'} !~ /^(email|URI|DNS|RID|IP):[a-zA-Z0-9 :\/,\.\-_@]*$/) {
	    $errormessage = $Lang::tr{'vpn altname syntax'};
	    goto VPNCONF_ERROR;
	}

	# Copy the cgisettings to vpnsettings and save the configfile
	$vpnsettings{'ROOTCERT_ORGANIZATION'}	= $cgiparams{'ROOTCERT_ORGANIZATION'};
	$vpnsettings{'ROOTCERT_HOSTNAME'}	= $cgiparams{'ROOTCERT_HOSTNAME'};
	$vpnsettings{'ROOTCERT_EMAIL'}	 	= $cgiparams{'ROOTCERT_EMAIL'};
	$vpnsettings{'ROOTCERT_OU'}		= $cgiparams{'ROOTCERT_OU'};
	$vpnsettings{'ROOTCERT_CITY'}		= $cgiparams{'ROOTCERT_CITY'};
	$vpnsettings{'ROOTCERT_STATE'}		= $cgiparams{'ROOTCERT_STATE'};
	$vpnsettings{'ROOTCERT_COUNTRY'}	= $cgiparams{'ROOTCERT_COUNTRY'};
	&General::writehash("${General::swroot}/vpn/settings", \%vpnsettings);

	# Replace empty strings with a .
	(my $ou = $cgiparams{'ROOTCERT_OU'}) =~ s/^\s*$/\./;
	(my $city = $cgiparams{'ROOTCERT_CITY'}) =~ s/^\s*$/\./;
	(my $state = $cgiparams{'ROOTCERT_STATE'}) =~ s/^\s*$/\./;

	# Create the CA certificate
	if (!$errormessage) {
	    &General::log("ipsec", "Creating cacert...");
	    if (open(STDIN, "-|")) {
    		my $opt  = " req -x509 -nodes -rand /proc/interrupts:/proc/net/rt_cache";
		   $opt .= " -days 999999";
		   $opt .= " -newkey rsa:2048";
		   $opt .= " -keyout ${General::swroot}/private/cakey.pem";
		   $opt .= " -out ${General::swroot}/ca/cacert.pem";

		$errormessage = &callssl ($opt);
	    } else {	#child
		print  "$cgiparams{'ROOTCERT_COUNTRY'}\n";
		print  "$state\n";
		print  "$city\n";
		print  "$cgiparams{'ROOTCERT_ORGANIZATION'}\n";
	        print  "$ou\n";
		print  "$cgiparams{'ROOTCERT_ORGANIZATION'} CA\n";
		print  "$cgiparams{'ROOTCERT_EMAIL'}\n";
		exit (0);
	    }
	}

	# Create the Host certificate request
	if (!$errormessage) {
	    &General::log("ipsec", "Creating host cert...");
	    if (open(STDIN, "-|")) {
    		my $opt  = " req -nodes -rand /proc/interrupts:/proc/net/rt_cache";
		   $opt .= " -newkey rsa:1024";
		   $opt .= " -keyout ${General::swroot}/certs/hostkey.pem";
		   $opt .= " -out ${General::swroot}/certs/hostreq.pem";
		$errormessage = &callssl ($opt);
	    } else {	#child
		print  "$cgiparams{'ROOTCERT_COUNTRY'}\n";
		print  "$state\n";
		print  "$city\n";
		print  "$cgiparams{'ROOTCERT_ORGANIZATION'}\n";
	        print  "$ou\n";
	        print  "$cgiparams{'ROOTCERT_HOSTNAME'}\n";
	        print  "$cgiparams{'ROOTCERT_EMAIL'}\n";
	        print  ".\n";
	        print  ".\n";
		exit (0);
	    }
	}

	# Sign the host certificate request
	if (!$errormessage) {
	    &General::log("ipsec", "Self signing host cert...");

	    #No easy way for specifying the contain of subjectAltName without writing a config file...
	    my ($fh, $v3extname) = tempfile ('/tmp/XXXXXXXX');
	    print $fh <<END
	    basicConstraints=CA:FALSE
	    nsComment="OpenSSL Generated Certificate"
	    subjectKeyIdentifier=hash
	    authorityKeyIdentifier=keyid,issuer:always
END
;
	    print $fh "subjectAltName=$cgiparams{'SUBJECTALTNAME'}" if ($cgiparams{'SUBJECTALTNAME'});
	    close ($fh);
	    
	    my  $opt  = " ca -days 999999";
		$opt .= " -batch -notext";
		$opt .= " -in ${General::swroot}/certs/hostreq.pem";
		$opt .= " -out ${General::swroot}/certs/hostcert.pem";
		$opt .= " -extfile $v3extname";
	    $errormessage = &callssl ($opt);
	    unlink ("${General::swroot}/certs/hostreq.pem"); #no more needed
	    unlink ($v3extname);
	}

	# Create an empty CRL
	if (!$errormessage) {
	    &General::log("ipsec", "Creating emptycrl...");
	    my  $opt  = " ca -gencrl";
		$opt .= " -out ${General::swroot}/crls/cacrl.pem";
	    $errormessage = &callssl ($opt);
	}
	
	# Successfully build CA / CERT!
	if (!$errormessage) {
	    &cleanssldatabase();
	    goto ROOTCERT_SUCCESS;
	}
	
	#Cleanup
	unlink ("${General::swroot}/ca/cacert.pem");
	unlink ("${General::swroot}/certs/hostkey.pem");
	unlink ("${General::swroot}/certs/hostcert.pem");
	unlink ("${General::swroot}/crls/cacrl.pem");
	&cleanssldatabase();
    }

    ROOTCERT_ERROR:
    &Header::showhttpheaders();
    &Header::openpage($Lang::tr{'vpn configuration main'}, 1, '');
    &Header::openbigbox('100%', 'left', '', $errormessage);
    if ($errormessage) {
        &Header::openbox('100%', 'left', $Lang::tr{'error messages'});
        print "<class name='base'>$errormessage";
        print "&nbsp;</class>";
        &Header::closebox();
    }
    &Header::openbox('100%', 'left', "$Lang::tr{'generate root/host certificates'}:");
    print <<END
    <form method='post' enctype='multipart/form-data' action='$ENV{'SCRIPT_NAME'}'>
    <table width='100%' border='0' cellspacing='1' cellpadding='0'>
    <tr><td width='40%' class='base'>$Lang::tr{'organization name'}:</td>
        <td width='60%' class='base' nowrap='nowrap'><input type='text' name='ROOTCERT_ORGANIZATION' value='$cgiparams{'ROOTCERT_ORGANIZATION'}' size='32' /></td></tr>
    <tr><td class='base'>$Lang::tr{'ipfires hostname'}:</td>
        <td class='base' nowrap='nowrap'><input type='text' name='ROOTCERT_HOSTNAME' value='$cgiparams{'ROOTCERT_HOSTNAME'}' size='32' /></td></tr>
    <tr><td class='base'>$Lang::tr{'your e-mail'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
        <td class='base' nowrap='nowrap'><input type='text' name='ROOTCERT_EMAIL' value='$cgiparams{'ROOTCERT_EMAIL'}' size='32' /></td></tr>
    <tr><td class='base'>$Lang::tr{'your department'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
        <td class='base' nowrap='nowrap'><input type='text' name='ROOTCERT_OU' value='$cgiparams{'ROOTCERT_OU'}' size='32' /></td></tr>
    <tr><td class='base'>$Lang::tr{'city'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
        <td class='base' nowrap='nowrap'><input type='text' name='ROOTCERT_CITY' value='$cgiparams{'ROOTCERT_CITY'}' size='32' /></td></tr>
    <tr><td class='base'>$Lang::tr{'state or province'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
        <td class='base' nowrap='nowrap'><input type='text' name='ROOTCERT_STATE' value='$cgiparams{'ROOTCERT_STATE'}' size='32' /></td></tr>
    <tr><td class='base'>$Lang::tr{'country'}:</td>
        <td class='base'><select name='ROOTCERT_COUNTRY'>
END
    ;
    foreach my $country (sort keys %{Countries::countries}) {
        print "<option value='$Countries::countries{$country}'";
        if ( $Countries::countries{$country} eq $cgiparams{'ROOTCERT_COUNTRY'} ) {
            print " selected='selected'";
        }
        print ">$country</option>";
    }
    print <<END
        </select></td></tr>
    <tr><td class='base'>$Lang::tr{'vpn subjectaltname'} (subjectAltName=email:*,URI:*,DNS:*,RID:*) <img src='/blob.gif' alt='*' /></td>
	<td class='base' nowrap='nowrap'><input type='text' name='SUBJECTALTNAME' value='$cgiparams{'SUBJECTALTNAME'}' size='32' /></td></tr>
    <tr><td>&nbsp;</td>
        <td><br /><input type='submit' name='ACTION' value='$Lang::tr{'generate root/host certificates'}' /><br /><br /></td></tr>
    <tr><td class='base' colspan='2' align='left'>
        <b><font color='${Header::colourred}'>$Lang::tr{'capswarning'}</font></b>: 
        $Lang::tr{'generating the root and host certificates may take a long time. it can take up to several minutes on older hardware. please be patient'}
    </td></tr>
    <tr><td colspan='2'><hr /></td></tr>
    <tr><td class='base' nowrap='nowrap'>$Lang::tr{'upload p12 file'}:</td>
        <td nowrap='nowrap'><input type='file' name='FH' size='32' /></td></tr>
    <tr><td class='base'>$Lang::tr{'pkcs12 file password'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
        <td class='base' nowrap='nowrap'><input type='password' name='P12_PASS' value='$cgiparams{'P12_PASS'}' size='32' /></td></tr>
    <tr><td>&nbsp;</td>
        <td><input type='submit' name='ACTION' value='$Lang::tr{'upload p12 file'}' /></td></tr>
    <tr><td class='base' colspan='2' align='left'>
        <img src='/blob.gif' alt='*' />&nbsp;$Lang::tr{'this field may be blank'}</td></tr>
    </table></form>
END
    ;
    &Header::closebox();
    &Header::closebigbox();
    &Header::closepage();
    exit(0);

    ROOTCERT_SUCCESS:
    if (&vpnenabled) {
	system('/usr/local/bin/ipsecctrl', 'S');
	sleep $sleepDelay;
    }
    ROOTCERT_SKIP:
###
### Export PKCS12 file to browser
###
} elsif ($cgiparams{'ACTION'} eq $Lang::tr{'download pkcs12 file'}) {
    &General::readhasharray("${General::swroot}/vpn/config", \%confighash);
    print "Content-Type: application/force-download\n";
    print "Content-Disposition: attachment; filename=" . $confighash{$cgiparams{'KEY'}}[1] . ".p12\r\n";
    print "Content-Type: application/octet-stream\r\n\r\n";
    print `/bin/cat ${General::swroot}/certs/$confighash{$cgiparams{'KEY'}}[1].p12`;
    exit (0);

###
### Display certificate
###
} elsif ($cgiparams{'ACTION'} eq $Lang::tr{'show certificate'}) {
    &General::readhasharray("${General::swroot}/vpn/config", \%confighash);

    if ( -f "${General::swroot}/certs/$confighash{$cgiparams{'KEY'}}[1]cert.pem") {
	&Header::showhttpheaders();
	&Header::openpage($Lang::tr{'vpn configuration main'}, 1, '');
	&Header::openbigbox('100%', 'left', '', '');
	&Header::openbox('100%', 'left', "$Lang::tr{'cert'}:");
	my $output = `/usr/bin/openssl x509 -text -in ${General::swroot}/certs/$confighash{$cgiparams{'KEY'}}[1]cert.pem`;
	$output = &Header::cleanhtml($output,"y");
	print "<pre>$output</pre>\n";
	&Header::closebox();
	print "<div align='center'><a href='/cgi-bin/vpnmain.cgi'>$Lang::tr{'back'}</a></div>";
	&Header::closebigbox();
	&Header::closepage();
	exit(0);
    }

###
### Export Certificate to browser
###
} elsif ($cgiparams{'ACTION'} eq $Lang::tr{'download certificate'}) {
    &General::readhasharray("${General::swroot}/vpn/config", \%confighash);

    if ( -f "${General::swroot}/certs/$confighash{$cgiparams{'KEY'}}[1]cert.pem") {
	print "Content-Type: application/force-download\n";
	print "Content-Disposition: attachment; filename=" . $confighash{$cgiparams{'KEY'}}[1] . "cert.pem\n\n";
	print `/bin/cat ${General::swroot}/certs/$confighash{$cgiparams{'KEY'}}[1]cert.pem`;
	exit (0);
    }

###
### Enable/Disable connection
###
} elsif ($cgiparams{'ACTION'} eq $Lang::tr{'toggle enable disable'}) {
    
    &General::readhash("${General::swroot}/vpn/settings", \%vpnsettings);
    &General::readhasharray("${General::swroot}/vpn/config", \%confighash);

    if ($confighash{$cgiparams{'KEY'}}) {
	if ($confighash{$cgiparams{'KEY'}}[0] eq 'off') {
	    $confighash{$cgiparams{'KEY'}}[0] = 'on';
	    &General::writehasharray("${General::swroot}/vpn/config", \%confighash);
	    &writeipsecfiles();
	    system('/usr/local/bin/ipsecctrl', 'S', $cgiparams{'KEY'}) if (&vpnenabled);
	} else {
	    system('/usr/local/bin/ipsecctrl', 'D', $cgiparams{'KEY'}) if (&vpnenabled);
	    $confighash{$cgiparams{'KEY'}}[0] = 'off';
	    &General::writehasharray("${General::swroot}/vpn/config", \%confighash);
	    &writeipsecfiles();
	}
	sleep $sleepDelay;
    } else {
	$errormessage = $Lang::tr{'invalid key'};
    }

###
### Restart connection
###
} elsif ($cgiparams{'ACTION'} eq $Lang::tr{'restart'}) {
    &General::readhash("${General::swroot}/vpn/settings", \%vpnsettings);
    &General::readhasharray("${General::swroot}/vpn/config", \%confighash);

    if ($confighash{$cgiparams{'KEY'}}) {
	if (&vpnenabled) {
	    system('/usr/local/bin/ipsecctrl', 'S', $cgiparams{'KEY'});
	    sleep $sleepDelay;
	}
    } else {
	$errormessage = $Lang::tr{'invalid key'};
    }

###
### Remove connection
###
} elsif ($cgiparams{'ACTION'} eq $Lang::tr{'remove'}) {
    &General::readhash("${General::swroot}/vpn/settings", \%vpnsettings);
    &General::readhasharray("${General::swroot}/vpn/config", \%confighash);

    if ($confighash{$cgiparams{'KEY'}}) {
	system('/usr/local/bin/ipsecctrl', 'D', $cgiparams{'KEY'}) if (&vpnenabled);
	unlink ("${General::swroot}/certs/$confighash{$cgiparams{'KEY'}}[1]cert.pem");
	unlink ("${General::swroot}/certs/$confighash{$cgiparams{'KEY'}}[1].p12");
	delete $confighash{$cgiparams{'KEY'}};
	&General::writehasharray("${General::swroot}/vpn/config", \%confighash);
	&writeipsecfiles();
    } else {
	$errormessage = $Lang::tr{'invalid key'};
    }

###
### Choose between adding a host-net or net-net connection
###
} elsif ($cgiparams{'ACTION'} eq $Lang::tr{'add'} && $cgiparams{'TYPE'} eq '') {
	&Header::showhttpheaders();
	&Header::openpage($Lang::tr{'vpn configuration main'}, 1, '');
	&Header::openbigbox('100%', 'left', '', '');
	&Header::openbox('100%', 'left', $Lang::tr{'connection type'});
	print <<END
	    <form method='post' action='$ENV{'SCRIPT_NAME'}'>
	    <b>$Lang::tr{'connection type'}:</b><br />
	    <table>
	    <tr><td><input type='radio' name='TYPE' value='host' checked='checked' /></td>
		<td class='base'>$Lang::tr{'host to net vpn'}</td>
	    </tr><tr>
		<td><input type='radio' name='TYPE' value='net' /></td>
		<td class='base'>$Lang::tr{'net to net vpn'}</td>
	    </tr><tr>
		<td align='center' colspan='2'><input type='submit' name='ACTION' value='$Lang::tr{'add'}' /></td>
	    </tr>
	    </table></form>
END
	;
	&Header::closebox();
	&Header::closebigbox();
	&Header::closepage();
	exit (0);
###
### Adding/Editing/Saving a  connection
###
} elsif (($cgiparams{'ACTION'} eq $Lang::tr{'add'}) ||
	 ($cgiparams{'ACTION'} eq $Lang::tr{'edit'}) ||
	 ($cgiparams{'ACTION'} eq $Lang::tr{'save'} && $cgiparams{'ADVANCED'} eq '')) {

    &General::readhash("${General::swroot}/vpn/settings", \%vpnsettings);
    &General::readhasharray("${General::swroot}/vpn/caconfig", \%cahash);
    &General::readhasharray("${General::swroot}/vpn/config", \%confighash);

    if ($cgiparams{'ACTION'} eq $Lang::tr{'edit'}) {
	if (! $confighash{$cgiparams{'KEY'}}[0]) {
	    $errormessage = $Lang::tr{'invalid key'};
	    goto VPNCONF_END;
	}
	$cgiparams{'ENABLED'}		= $confighash{$cgiparams{'KEY'}}[0];
	$cgiparams{'NAME'}		= $confighash{$cgiparams{'KEY'}}[1];
	$cgiparams{'TYPE'}		= $confighash{$cgiparams{'KEY'}}[3];
	$cgiparams{'AUTH'} 		= $confighash{$cgiparams{'KEY'}}[4];
	$cgiparams{'PSK'}		= $confighash{$cgiparams{'KEY'}}[5];
	#$cgiparams{'free'}		= $confighash{$cgiparams{'KEY'}}[6];
	$cgiparams{'LOCAL_ID'}		= $confighash{$cgiparams{'KEY'}}[7];
	$cgiparams{'LOCAL_SUBNET'} 	= $confighash{$cgiparams{'KEY'}}[8];
	$cgiparams{'REMOTE_ID'}		= $confighash{$cgiparams{'KEY'}}[9];
	$cgiparams{'REMOTE'}		= $confighash{$cgiparams{'KEY'}}[10];
	$cgiparams{'REMOTE_SUBNET'} 	= $confighash{$cgiparams{'KEY'}}[11];
	$cgiparams{'REMARK'}		= $confighash{$cgiparams{'KEY'}}[25];
	$cgiparams{'INTERFACE'}		= $confighash{$cgiparams{'KEY'}}[26];
	$cgiparams{'DPD_ACTION'}	= $confighash{$cgiparams{'KEY'}}[27];
	$cgiparams{'IKE_ENCRYPTION'} 	= $confighash{$cgiparams{'KEY'}}[18];
	$cgiparams{'IKE_INTEGRITY'}  	= $confighash{$cgiparams{'KEY'}}[19];
	$cgiparams{'IKE_GROUPTYPE'}  	= $confighash{$cgiparams{'KEY'}}[20];
	$cgiparams{'IKE_LIFETIME'}   	= $confighash{$cgiparams{'KEY'}}[16];
	$cgiparams{'ESP_ENCRYPTION'} 	= $confighash{$cgiparams{'KEY'}}[21];
	$cgiparams{'ESP_INTEGRITY'}  	= $confighash{$cgiparams{'KEY'}}[22];
	$cgiparams{'ESP_GROUPTYPE'}  	= $confighash{$cgiparams{'KEY'}}[23];
	$cgiparams{'ESP_KEYLIFE'}    	= $confighash{$cgiparams{'KEY'}}[17];
	$cgiparams{'AGGRMODE'}	 	= $confighash{$cgiparams{'KEY'}}[12];
	$cgiparams{'COMPRESSION'}    	= $confighash{$cgiparams{'KEY'}}[13];
	$cgiparams{'ONLY_PROPOSED'}  	= $confighash{$cgiparams{'KEY'}}[24];
	$cgiparams{'PFS'}		= $confighash{$cgiparams{'KEY'}}[28];
	$cgiparams{'VHOST'}            	= $confighash{$cgiparams{'KEY'}}[14];

    } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'save'}) {
	$cgiparams{'REMARK'} = &Header::cleanhtml($cgiparams{'REMARK'});
	if ($cgiparams{'TYPE'} !~ /^(host|net)$/) {
	    $errormessage = $Lang::tr{'connection type is invalid'};
	    goto VPNCONF_ERROR;
	}

	if ($cgiparams{'NAME'} !~ /^[a-zA-Z0-9]+$/) {
	    $errormessage = $Lang::tr{'name must only contain characters'};
	    goto VPNCONF_ERROR;
	}

	if ($cgiparams{'NAME'} =~ /^(host|01|block|private|clear|packetdefault)$/) {
	    $errormessage = $Lang::tr{'name is invalid'};
	    goto VPNCONF_ERROR;
	}

	if (length($cgiparams{'NAME'}) >60) {
	    $errormessage = $Lang::tr{'name too long'};
	    goto VPNCONF_ERROR;
	}

	# Check if there is no other entry with this name
	if (! $cgiparams{'KEY'}) {  #only for add
	    foreach my $key (keys %confighash) {
		if ($confighash{$key}[1] eq $cgiparams{'NAME'}) {
		    $errormessage = $Lang::tr{'a connection with this name already exists'};
		    goto VPNCONF_ERROR;
		}
	    }
	}

	if (($cgiparams{'TYPE'} eq 'net') && (! $cgiparams{'REMOTE'})) {
	    $errormessage = $Lang::tr{'invalid input for remote host/ip'};
	    goto VPNCONF_ERROR;
	}

	if ($cgiparams{'REMOTE'}) {
	    if (! &General::validip($cgiparams{'REMOTE'})) {
		if (! &General::validfqdn ($cgiparams{'REMOTE'}))  {
		    $errormessage = $Lang::tr{'invalid input for remote host/ip'};
		    goto VPNCONF_ERROR;
		} else {
		    if (&valid_dns_host($cgiparams{'REMOTE'})) {
			$warnmessage = "$Lang::tr{'check vpn lr'} $cgiparams{'REMOTE'}. $Lang::tr{'dns check failed'}";
		    }
		}
	    }
	}

        unless (&General::validipandmask($cgiparams{'LOCAL_SUBNET'})) {
            $errormessage = $Lang::tr{'local subnet is invalid'};
	    goto VPNCONF_ERROR;
	}

	# Allow only one roadwarrior/psk without remote IP-address
	if ($cgiparams{'REMOTE'} eq '' && $cgiparams{'AUTH'} eq 'psk') {
	    foreach my $key (keys %confighash) {
		if ( ($cgiparams{'KEY'} ne $key) && 
		      ($confighash{$key}[4] eq 'psk') && 
		      ($confighash{$key}[10] eq '') ) {
			$errormessage = $Lang::tr{'you can only define one roadwarrior connection when using pre-shared key authentication'};
			goto VPNCONF_ERROR;
		}
	    }
	}
	if (($cgiparams{'TYPE'} eq 'net') && (! &General::validipandmask($cgiparams{'REMOTE_SUBNET'}))) {
            $errormessage = $Lang::tr{'remote subnet is invalid'};
	    goto VPNCONF_ERROR;
	}

	if ($cgiparams{'ENABLED'} !~ /^(on|off)$/) {
	    $errormessage = $Lang::tr{'invalid input'};
	    goto VPNCONF_ERROR;
	}
	if ($cgiparams{'EDIT_ADVANCED'} !~ /^(on|off)$/) {
	    $errormessage = $Lang::tr{'invalid input'};
	    goto VPNCONF_ERROR;
	}

	# Allow nothing or a string (DN,FDQN,) beginning with @
	# with no comma but slashes between RID eg @O=FR/C=Paris/OU=myhome/CN=franck
	if ( ($cgiparams{'LOCAL_ID'} !~ /^(|[\w.-]*@[\w. =*\/-]+|\d\.\d\.\d\.\d)$/) ||
	    ($cgiparams{'REMOTE_ID'} !~ /^(|[\w.-]*@[\w. =*\/-]+|\d\.\d\.\d\.\d)$/) ||
	    (($cgiparams{'REMOTE_ID'} eq $cgiparams{'LOCAL_ID'}) && ($cgiparams{'LOCAL_ID'} ne ''))
	   ) {
	    $errormessage = $Lang::tr{'invalid local-remote id'} . '<br />' .
	    'DER_ASN1_DN: @c=FR/ou=Paris/ou=Home/cn=*<br />' .
	    'FQDN: @ipfire.org<br />' .
	    'USER_FQDN: info@ipfire.org<br />' .
	    'IPV4_ADDR: @123.123.123.123';
	    goto VPNCONF_ERROR;
	}
	# If Auth is DN, verify existance of Remote ID.
	if ( $cgiparams{'REMOTE_ID'} eq '' && (
		$cgiparams{'AUTH'} eq 'auth-dn'|| 		   # while creation
		$confighash{$cgiparams{'KEY'}}[2] eq '%auth-dn')){ # while editing
	    $errormessage = $Lang::tr{'vpn missing remote id'};
	    goto VPNCONF_ERROR;
	}

	if ($cgiparams{'AUTH'} eq 'psk') {
	    if (! length($cgiparams{'PSK'}) ) {
		$errormessage = $Lang::tr{'pre-shared key is too short'};
		goto VPNCONF_ERROR;
	    }
	    if ($cgiparams{'PSK'} =~ /'/) {
                $cgiparams{'PSK'} =~ tr/'/ /;
		$errormessage = $Lang::tr{'invalid characters found in pre-shared key'};
		goto VPNCONF_ERROR;
	    }
	} elsif ($cgiparams{'AUTH'} eq 'certreq') {
	    if ($cgiparams{'KEY'}) {
		$errormessage = $Lang::tr{'cant change certificates'};
		goto VPNCONF_ERROR;
	    }
	    if (ref ($cgiparams{'FH'}) ne 'Fh') {
		$errormessage = $Lang::tr{'there was no file upload'};
		goto VPNCONF_ERROR;
	    }

	    # Move uploaded certificate request to a temporary file
	    (my $fh, my $filename) = tempfile( );
	    if (copy ($cgiparams{'FH'}, $fh) != 1) {
		$errormessage = $!;
		goto VPNCONF_ERROR;
	    }

	    # Sign the certificate request
	    &General::log("ipsec", "Signing your cert $cgiparams{'NAME'}...");
    	    my 	$opt  = " ca -days 999999";
		$opt .= " -batch -notext";
		$opt .= " -in $filename";
		$opt .= " -out ${General::swroot}/certs/$cgiparams{'NAME'}cert.pem";

	    if ( $errormessage = &callssl ($opt) ) {
		unlink ($filename);
		unlink ("${General::swroot}/certs/$cgiparams{'NAME'}cert.pem");
		&cleanssldatabase();
		goto VPNCONF_ERROR;
	    } else {
	        unlink ($filename);
	        &cleanssldatabase();
	    }

	    $cgiparams{'CERT_NAME'} = getCNfromcert ("${General::swroot}/certs/$cgiparams{'NAME'}cert.pem");
	    if ($cgiparams{'CERT_NAME'} eq '') {
		$errormessage = $Lang::tr{'could not retrieve common name from certificate'};
		goto VPNCONF_ERROR;
	    }
	} elsif ($cgiparams{'AUTH'} eq 'pkcs12') {
		&General::log("ipsec", "Importing from p12...");

		if (ref ($cgiparams{'FH'}) ne 'Fh') {
		    $errormessage = $Lang::tr{'there was no file upload'};
	    	    goto ROOTCERT_ERROR;
		}

		# Move uploaded certificate request to a temporary file
		(my $fh, my $filename) = tempfile( );
		if (copy ($cgiparams{'FH'}, $fh) != 1) {
		    $errormessage = $!;
		    goto ROOTCERT_ERROR;
		}

		# Extract the CA certificate from the file
		&General::log("ipsec", "Extracting caroot from p12...");
		if (open(STDIN, "-|")) {
    		    my	$opt  = " pkcs12 -cacerts -nokeys";
			$opt .= " -in $filename";
			$opt .= " -out /tmp/newcacert";
		    $errormessage = &callssl ($opt);
		} else {	#child
		    print "$cgiparams{'P12_PASS'}\n";
		    exit (0);
		}

    		# Extract the Host certificate from the file
		if (!$errormessage) {
		    &General::log("ipsec", "Extracting host cert from p12...");
		    if (open(STDIN, "-|")) {
    			my  $opt  = " pkcs12 -clcerts -nokeys";
			$opt .= " -in $filename";
			$opt .= " -out /tmp/newhostcert";
			$errormessage = &callssl ($opt);
		    } else {	#child
			print "$cgiparams{'P12_PASS'}\n";
			exit (0);
		    }
		}

		if (!$errormessage) {		
		    &General::log("ipsec", "Moving cacert...");
		    #If CA have new subject, add it to our list of CA
		    my $casubject = &Header::cleanhtml(getsubjectfromcert ('/tmp/newcacert'));
		    my @names;
		    foreach my $x (keys %cahash) {
			$casubject='' if ($cahash{$x}[1] eq $casubject);
			unshift (@names,$cahash{$x}[0]);
		    }
		    if ($casubject) { # a new one!
			my $temp = `/usr/bin/openssl x509 -text -in /tmp/newcacert`;
			if ($temp !~ /CA:TRUE/i) {
			    $errormessage = $Lang::tr{'not a valid ca certificate'};
			} else {
			    #compute a name for it
			    my $idx=0;
			    while (grep(/Imported-$idx/, @names) ) {$idx++};
			    $cgiparams{'CA_NAME'}="Imported-$idx";
			    $cgiparams{'CERT_NAME'}=&Header::cleanhtml(getCNfromcert ('/tmp/newhostcert'));
			    move("/tmp/newcacert", "${General::swroot}/ca/$cgiparams{'CA_NAME'}cert.pem");
			    $errormessage = "$Lang::tr{'certificate file move failed'}: $!" if ($? ne 0);
			    if (!$errormessage) {
				my $key = &General::findhasharraykey (\%cahash);
				$cahash{$key}[0] = $cgiparams{'CA_NAME'};
				$cahash{$key}[1] = $casubject;
				&General::writehasharray("${General::swroot}/vpn/caconfig", \%cahash);
				system('/usr/local/bin/ipsecctrl', 'R');
			    }
    			}
		    }	
		}
		if (!$errormessage) {
		    &General::log("ipsec", "Moving host cert...");
		    move("/tmp/newhostcert", "${General::swroot}/certs/$cgiparams{'NAME'}cert.pem");
		    $errormessage = "$Lang::tr{'certificate file move failed'}: $!" if ($? ne 0);
    		}

		#cleanup temp files
		unlink ($filename);
		unlink ('/tmp/newcacert');
		unlink ('/tmp/newhostcert');
		if ($errormessage) {
		    unlink ("${General::swroot}/ca/$cgiparams{'CA_NAME'}cert.pem");
		    unlink ("${General::swroot}/certs/$cgiparams{'NAME'}cert.pem");
		    goto VPNCONF_ERROR;
		}
		&General::log("ipsec", "p12 import completed!");
	} elsif ($cgiparams{'AUTH'} eq 'certfile') {
	    if ($cgiparams{'KEY'}) {
		$errormessage = $Lang::tr{'cant change certificates'};
		goto VPNCONF_ERROR;
	    }
	    if (ref ($cgiparams{'FH'}) ne 'Fh') {
		$errormessage = $Lang::tr{'there was no file upload'};
		goto VPNCONF_ERROR;
	    }
	    # Move uploaded certificate to a temporary file
	    (my $fh, my $filename) = tempfile( );
	    if (copy ($cgiparams{'FH'}, $fh) != 1) {
		$errormessage = $!;
		goto VPNCONF_ERROR;
	    }

	    # Verify the certificate has a valid CA and move it
	    &General::log("ipsec", "Validating imported cert against our known CA...");
	    my $validca = 1;  #assume ok
	    my $test = `/usr/bin/openssl verify -CAfile ${General::swroot}/ca/cacert.pem $filename`;
	    if ($test !~ /: OK/) {
		my $validca = 0;
		foreach my $key (keys %cahash) {
		    $test = `/usr/bin/openssl verify -CAfile ${General::swroot}/ca/$cahash{$key}[0]cert.pem $filename`;
		    if ($test =~ /: OK/) {
			$validca = 1;
			last;
		    }
		}
	    }
	    if (! $validca) {
		$errormessage = $Lang::tr{'certificate does not have a valid ca associated with it'};
		unlink ($filename);
		goto VPNCONF_ERROR;
	    } else {
		move($filename, "${General::swroot}/certs/$cgiparams{'NAME'}cert.pem");
		if ($? ne 0) {
		    $errormessage = "$Lang::tr{'certificate file move failed'}: $!";
		    unlink ($filename);
		    goto VPNCONF_ERROR;
		}
	    }

	    $cgiparams{'CERT_NAME'} = getCNfromcert ("${General::swroot}/certs/$cgiparams{'NAME'}cert.pem");
	    if ($cgiparams{'CERT_NAME'} eq '') {
		unlink ("${General::swroot}/certs/$cgiparams{'NAME'}cert.pem");
		$errormessage = $Lang::tr{'could not retrieve common name from certificate'};
		goto VPNCONF_ERROR;
	    }
	} elsif ($cgiparams{'AUTH'} eq 'certgen') {
	    if ($cgiparams{'KEY'}) {
		$errormessage = $Lang::tr{'cant change certificates'};
		goto VPNCONF_ERROR;
	    }
	    # Validate input since the form was submitted
	    if (length($cgiparams{'CERT_NAME'}) >60) {
		$errormessage = $Lang::tr{'name too long'};
		goto VPNCONF_ERROR;
	    }
	    if ($cgiparams{'CERT_NAME'} !~ /^[a-zA-Z0-9 ,\.\-_]+$/) {
		$errormessage = $Lang::tr{'invalid input for name'};
		goto VPNCONF_ERROR;
	    }
	    if ($cgiparams{'CERT_EMAIL'} ne '' && (! &General::validemail($cgiparams{'CERT_EMAIL'}))) {
		$errormessage = $Lang::tr{'invalid input for e-mail address'};
		goto VPNCONF_ERROR;
	    }
	    if (length($cgiparams{'CERT_EMAIL'}) > 40) {
		$errormessage = $Lang::tr{'e-mail address too long'};
		goto VPNCONF_ERROR;
	    }
	    if ($cgiparams{'CERT_OU'} ne '' && $cgiparams{'CERT_OU'} !~ /^[a-zA-Z0-9 ,\.\-_]*$/) {
		$errormessage = $Lang::tr{'invalid input for department'};
		goto VPNCONF_ERROR;
	    }
	    if (length($cgiparams{'CERT_ORGANIZATION'}) >60) {
		$errormessage = $Lang::tr{'organization too long'};
		goto VPNCONF_ERROR;
	    }
	    if ($cgiparams{'CERT_ORGANIZATION'} !~ /^[a-zA-Z0-9 ,\.\-_]+$/) {
		$errormessage = $Lang::tr{'invalid input for organization'};
		goto VPNCONF_ERROR;
	    }
	    if ($cgiparams{'CERT_CITY'} ne '' && $cgiparams{'CERT_CITY'} !~ /^[a-zA-Z0-9 ,\.\-_]*$/) {
		$errormessage = $Lang::tr{'invalid input for city'};
		goto VPNCONF_ERROR;
	    }
	    if ($cgiparams{'CERT_STATE'} ne '' && $cgiparams{'CERT_STATE'} !~ /^[a-zA-Z0-9 ,\.\-_]*$/) {
		$errormessage = $Lang::tr{'invalid input for state or province'};
		goto VPNCONF_ERROR;
	    }
	    if ($cgiparams{'CERT_COUNTRY'} !~ /^[A-Z]*$/) {
		$errormessage = $Lang::tr{'invalid input for country'};
		goto VPNCONF_ERROR;
	    }
	    #the exact syntax is a list comma separated of 
	    #  email:any-validemail
	    #	URI: a uniform resource indicator
	    #   DNS: a DNS domain name
	    #   RID: a registered OBJECT IDENTIFIER
	    #   IP: an IP address
	    # example: email:franck@foo.com,IP:10.0.0.10,DNS:franck.foo.com

	    if ($cgiparams{'SUBJECTALTNAME'} ne '' && $cgiparams{'SUBJECTALTNAME'} !~ /^(email|URI|DNS|RID|IP):[a-zA-Z0-9 :\/,\.\-_@]*$/) {
		$errormessage = $Lang::tr{'vpn altname syntax'};
		goto VPNCONF_ERROR;
	    }

	    if (length($cgiparams{'CERT_PASS1'}) < 5) {
		$errormessage = $Lang::tr{'password too short'};
		goto VPNCONF_ERROR;
	    }
	    if ($cgiparams{'CERT_PASS1'} ne $cgiparams{'CERT_PASS2'}) {
		$errormessage = $Lang::tr{'passwords do not match'};
		goto VPNCONF_ERROR;
	    }

	    # Replace empty strings with a .
	    (my $ou = $cgiparams{'CERT_OU'}) =~ s/^\s*$/\./;
	    (my $city = $cgiparams{'CERT_CITY'}) =~ s/^\s*$/\./;
	    (my $state = $cgiparams{'CERT_STATE'}) =~ s/^\s*$/\./;

	    # Create the Host certificate request
	    &General::log("ipsec", "Creating a cert...");

	    if (open(STDIN, "-|")) {
    		my $opt  = " req -nodes -rand /proc/interrupts:/proc/net/rt_cache";
		   $opt .= " -newkey rsa:1024";
		   $opt .= " -keyout ${General::swroot}/certs/$cgiparams{'NAME'}key.pem";
		   $opt .= " -out ${General::swroot}/certs/$cgiparams{'NAME'}req.pem";

		if ( $errormessage = &callssl ($opt) ) {
		    unlink ("${General::swroot}/certs/$cgiparams{'NAME'}key.pem");
		    unlink ("${General::swroot}/certs/$cgiparams{'NAME'}req.pem");
		    goto VPNCONF_ERROR;
	        }
	    } else {	#child
		print  "$cgiparams{'CERT_COUNTRY'}\n";
		print  "$state\n";
		print  "$city\n";
		print  "$cgiparams{'CERT_ORGANIZATION'}\n";
	        print  "$ou\n";
	        print  "$cgiparams{'CERT_NAME'}\n";
	        print  "$cgiparams{'CERT_EMAIL'}\n";
	        print  ".\n";
	        print  ".\n";
		exit (0);
	    }
	    
	    # Sign the host certificate request
	    &General::log("ipsec", "Signing the cert $cgiparams{'NAME'}...");

	    #No easy way for specifying the contain of subjectAltName without writing a config file...
	    my ($fh, $v3extname) = tempfile ('/tmp/XXXXXXXX');
	    print $fh <<END
	    basicConstraints=CA:FALSE
	    nsComment="OpenSSL Generated Certificate"
	    subjectKeyIdentifier=hash
	    authorityKeyIdentifier=keyid,issuer:always
END
;
	    print $fh "subjectAltName=$cgiparams{'SUBJECTALTNAME'}" if ($cgiparams{'SUBJECTALTNAME'});
	    close ($fh);

	    my $opt  = " ca -days 999999 -batch -notext";
	       $opt .= " -in ${General::swroot}/certs/$cgiparams{'NAME'}req.pem";
	       $opt .= " -out ${General::swroot}/certs/$cgiparams{'NAME'}cert.pem";
	       $opt .= " -extfile $v3extname";

	    if ( $errormessage = &callssl ($opt) ) {
		unlink ($v3extname);
		unlink ("${General::swroot}/certs/$cgiparams{'NAME'}key.pem");
		unlink ("${General::swroot}/certs/$cgiparams{'NAME'}req.pem");
		unlink ("${General::swroot}/certs/$cgiparams{'NAME'}cert.pem");
		&cleanssldatabase();
		goto VPNCONF_ERROR;
	    } else {
		unlink ($v3extname);
		unlink ("${General::swroot}/certs/$cgiparams{'NAME'}req.pem");
		&cleanssldatabase();
	    }

	    # Create the pkcs12 file
	    &General::log("ipsec", "Packing a pkcs12 file...");
	       $opt  = " pkcs12 -export"; 
	       $opt .= " -inkey ${General::swroot}/certs/$cgiparams{'NAME'}key.pem";
	       $opt .= " -in ${General::swroot}/certs/$cgiparams{'NAME'}cert.pem";
	       $opt .= " -name \"$cgiparams{'NAME'}\"";
	       $opt .= " -passout pass:$cgiparams{'CERT_PASS1'}";
	       $opt .= " -certfile ${General::swroot}/ca/cacert.pem";
	       $opt .= " -caname \"$vpnsettings{'ROOTCERT_ORGANIZATION'} CA\"";
	       $opt .= " -out ${General::swroot}/certs/$cgiparams{'NAME'}.p12";

	    if ( $errormessage = &callssl ($opt) ) {
		unlink ("${General::swroot}/certs/$cgiparams{'NAME'}key.pem");
		unlink ("${General::swroot}/certs/$cgiparams{'NAME'}cert.pem");
		unlink ("${General::swroot}/certs/$cgiparams{'NAME'}.p12");
		goto VPNCONF_ERROR;
	    } else {
		unlink ("${General::swroot}/certs/$cgiparams{'NAME'}key.pem");
	    }
	} elsif ($cgiparams{'AUTH'} eq 'cert') {
	    ;# Nothing, just editing
	} elsif ($cgiparams{'AUTH'} eq 'auth-dn') {
	    $cgiparams{'CERT_NAME'} = '%auth-dn';	# a special value saying 'no cert file'	    
	} else {
	    $errormessage = $Lang::tr{'invalid input for authentication method'};
	    goto VPNCONF_ERROR;
	}

	# 1)Error message here is not accurate.
	# 2)Test is superfluous, openswan can reference same cert multiple times
	# 3)Present since initial version (1.3.2.11), it isn't a bug correction
	# Check if there is no other entry with this certificate name
	#if ((! $cgiparams{'KEY'}) && ($cgiparams{'AUTH'} ne 'psk') && ($cgiparams{'AUTH'} ne 'auth-dn')) {
	#    foreach my $key (keys %confighash) {
	#	if ($confighash{$key}[2] eq $cgiparams{'CERT_NAME'}) {
	#	    $errormessage = $Lang::tr{'a connection with this common name already exists'};
	#	    goto VPNCONF_ERROR;
	#	}
	#    }
	#}
        # Save the config

	my $key = $cgiparams{'KEY'};
	if (! $key) {
	    $key = &General::findhasharraykey (\%confighash);
	    foreach my $i (0 .. 28) { $confighash{$key}[$i] = "";}
	}
	$confighash{$key}[0] = $cgiparams{'ENABLED'};
	$confighash{$key}[1] = $cgiparams{'NAME'};
	if ((! $cgiparams{'KEY'}) && $cgiparams{'AUTH'} ne 'psk') {
	    $confighash{$key}[2] = $cgiparams{'CERT_NAME'};
	}
	$confighash{$key}[3] = $cgiparams{'TYPE'};
	if ($cgiparams{'AUTH'} eq 'psk') {
	    $confighash{$key}[4] = 'psk';
	    $confighash{$key}[5] = $cgiparams{'PSK'};
	} else {
	    $confighash{$key}[4] = 'cert';
	}
	if ($cgiparams{'TYPE'} eq 'net') {
	    $confighash{$key}[11] = $cgiparams{'REMOTE_SUBNET'};
	}
	$confighash{$key}[7] = $cgiparams{'LOCAL_ID'};
	$confighash{$key}[8] = $cgiparams{'LOCAL_SUBNET'};
	$confighash{$key}[9] = $cgiparams{'REMOTE_ID'};
	$confighash{$key}[10] = $cgiparams{'REMOTE'};
	$confighash{$key}[25] = $cgiparams{'REMARK'};
	$confighash{$key}[26] = $cgiparams{'INTERFACE'};
	$confighash{$key}[27] = $cgiparams{'DPD_ACTION'};

	#dont forget advanced value
	$confighash{$key}[18] = $cgiparams{'IKE_ENCRYPTION'};
	$confighash{$key}[19] = $cgiparams{'IKE_INTEGRITY'};
	$confighash{$key}[20] = $cgiparams{'IKE_GROUPTYPE'};
	$confighash{$key}[16] = $cgiparams{'IKE_LIFETIME'};
	$confighash{$key}[21] = $cgiparams{'ESP_ENCRYPTION'};
	$confighash{$key}[22] = $cgiparams{'ESP_INTEGRITY'};
	$confighash{$key}[23] = $cgiparams{'ESP_GROUPTYPE'};
	$confighash{$key}[17] = $cgiparams{'ESP_KEYLIFE'};
	$confighash{$key}[12] = $cgiparams{'AGGRMODE'};
	$confighash{$key}[13] = $cgiparams{'COMPRESSION'};
	$confighash{$key}[24] = $cgiparams{'ONLY_PROPOSED'};
	$confighash{$key}[28] = $cgiparams{'PFS'};
	$confighash{$key}[14] = $cgiparams{'VHOST'};

	#free unused fields!
	$confighash{$key}[6] = 'off';
	$confighash{$key}[15] = 'off';

	&General::writehasharray("${General::swroot}/vpn/config", \%confighash);
	&writeipsecfiles();
	if (&vpnenabled) {
	    system('/usr/local/bin/ipsecctrl', 'S', $key);
	    sleep $sleepDelay;
	}
	if ($cgiparams{'EDIT_ADVANCED'} eq 'on') {
	    $cgiparams{'KEY'} = $key;
	    $cgiparams{'ACTION'} = $Lang::tr{'advanced'};
	}
	goto VPNCONF_END;
    } else { # add new connection
        $cgiparams{'ENABLED'} = 'on';
	if ( ! -f "${General::swroot}/private/cakey.pem" ) {
	    $cgiparams{'AUTH'} = 'psk';
	} elsif ( ! -f "${General::swroot}/ca/cacert.pem") {
	    $cgiparams{'AUTH'} = 'certfile';
	} else {
            $cgiparams{'AUTH'} = 'certgen';
	}
	$cgiparams{'LOCAL_SUBNET'}      ="$netsettings{'GREEN_NETADDRESS'}/$netsettings{'GREEN_NETMASK'}";
	$cgiparams{'CERT_EMAIL'} 	= $vpnsettings{'ROOTCERT_EMAIL'};
	$cgiparams{'CERT_OU'} 		= $vpnsettings{'ROOTCERT_OU'};
	$cgiparams{'CERT_ORGANIZATION'} = $vpnsettings{'ROOTCERT_ORGANIZATION'};
	$cgiparams{'CERT_CITY'}         = $vpnsettings{'ROOTCERT_CITY'};
	$cgiparams{'CERT_STATE'}        = $vpnsettings{'ROOTCERT_STATE'};
	$cgiparams{'CERT_COUNTRY'}      = $vpnsettings{'ROOTCERT_COUNTRY'};

	# choose appropriate dpd action	
	if ($cgiparams{'TYPE'} eq 'host') {
	    $cgiparams{'DPD_ACTION'} = 'clear';
	} else {
	    $cgiparams{'DPD_ACTION'} = 'restart';
	}

	# Default is yes for 'pfs'
	$cgiparams{'PFS'}     = 'on';
	
	# ID are empty
	$cgiparams{'LOCAL_ID'}  = '';
	$cgiparams{'REMOTE_ID'} = '';

	#use default advanced value
	$cgiparams{'IKE_ENCRYPTION'} = 'aes128|3des';	#[18];
	$cgiparams{'IKE_INTEGRITY'}  = 'sha|md5';	#[19];
	$cgiparams{'IKE_GROUPTYPE'}  = '1536|1024';	#[20];
	$cgiparams{'IKE_LIFETIME'}   = '1';		#[16];
	$cgiparams{'ESP_ENCRYPTION'} = 'aes128|3des';	#[21];
	$cgiparams{'ESP_INTEGRITY'}  = 'sha1|md5';	#[22];
	$cgiparams{'ESP_GROUPTYPE'}  = '';		#[23];
	$cgiparams{'ESP_KEYLIFE'}    = '8';		#[17];
	$cgiparams{'AGGRMODE'}	     = 'off';		#[12];
	$cgiparams{'COMPRESSION'}    = 'off';		#[13];
	$cgiparams{'ONLY_PROPOSED'}  = 'off';		#[24];
	$cgiparams{'PFS'}	     = 'on';		#[28];
	$cgiparams{'VHOST'}          = 'on'; 		#[14];
    }

    VPNCONF_ERROR:
    $checked{'ENABLED'}{'off'} = '';
    $checked{'ENABLED'}{'on'} = '';
    $checked{'ENABLED'}{$cgiparams{'ENABLED'}} = "checked='checked'";

    $checked{'EDIT_ADVANCED'}{'off'} = '';
    $checked{'EDIT_ADVANCED'}{'on'} = '';
    $checked{'EDIT_ADVANCED'}{$cgiparams{'EDIT_ADVANCED'}} = "checked='checked'";

    $checked{'AUTH'}{'psk'} = '';
    $checked{'AUTH'}{'certreq'} = '';
    $checked{'AUTH'}{'certgen'} = '';
    $checked{'AUTH'}{'certfile'} = '';
    $checked{'AUTH'}{'pkcs12'} = '';
    $checked{'AUTH'}{'auth-dn'} = '';
    $checked{'AUTH'}{$cgiparams{'AUTH'}} = "checked='checked'";

    $selected{'INTERFACE'}{'RED'} = '';
    $selected{'INTERFACE'}{'ORANGE'} = '';
    $selected{'INTERFACE'}{'GREEN'} = '';
    $selected{'INTERFACE'}{'BLUE'} = '';
    $selected{'INTERFACE'}{$cgiparams{'INTERFACE'}} = "selected='selected'";

    $selected{'DPD_ACTION'}{'clear'} = '';
    $selected{'DPD_ACTION'}{'hold'} = '';
    $selected{'DPD_ACTION'}{'restart'} = '';
    $selected{'DPD_ACTION'}{$cgiparams{'DPD_ACTION'}} = "selected='selected'";

    &Header::showhttpheaders();
    &Header::openpage($Lang::tr{'vpn configuration main'}, 1, '');
    &Header::openbigbox('100%', 'left', '', $errormessage);
    if ($errormessage) {
	&Header::openbox('100%', 'left', $Lang::tr{'error messages'});
	print "<class name='base'>$errormessage";
	print "&nbsp;</class>";
	&Header::closebox();
    }

    if ($warnmessage) {
	&Header::openbox('100%', 'left', "$Lang::tr{'warning messages'}:");
	print "<class name='base'>$warnmessage";
	print "&nbsp;</class>";
	&Header::closebox();
    }

    print "<form method='post' enctype='multipart/form-data' action='$ENV{'SCRIPT_NAME'}'>";
    print<<END
	<input type='hidden' name='TYPE' value='$cgiparams{'TYPE'}' />
	<input type='hidden' name='IKE_ENCRYPTION' value='$cgiparams{'IKE_ENCRYPTION'}' />
	<input type='hidden' name='IKE_INTEGRITY' value='$cgiparams{'IKE_INTEGRITY'}' />
	<input type='hidden' name='IKE_GROUPTYPE' value='$cgiparams{'IKE_GROUPTYPE'}' />
	<input type='hidden' name='IKE_LIFETIME' value='$cgiparams{'IKE_LIFETIME'}' />
	<input type='hidden' name='ESP_ENCRYPTION' value='$cgiparams{'ESP_ENCRYPTION'}' />
	<input type='hidden' name='ESP_INTEGRITY' value='$cgiparams{'ESP_INTEGRITY'}' />
	<input type='hidden' name='ESP_GROUPTYPE' value='$cgiparams{'ESP_GROUPTYPE'}' />
	<input type='hidden' name='ESP_KEYLIFE' value='$cgiparams{'ESP_KEYLIFE'}' />
	<input type='hidden' name='AGGRMODE' value='$cgiparams{'AGGRMODE'}' />
	<input type='hidden' name='COMPRESSION' value='$cgiparams{'COMPRESSION'}' />
	<input type='hidden' name='ONLY_PROPOSED' value='$cgiparams{'ONLY_PROPOSED'}' />
	<input type='hidden' name='PFS' value='$cgiparams{'PFS'}' />
	<input type='hidden' name='VHOST' value='$cgiparams{'VHOST'}' />
END
    ;
    if ($cgiparams{'KEY'}) {
	print "<input type='hidden' name='KEY' value='$cgiparams{'KEY'}' />";
	print "<input type='hidden' name='AUTH' value='$cgiparams{'AUTH'}' />";
    }

    &Header::openbox('100%', 'left', "$Lang::tr{'connection'}:");
    print "<table width='100%'>";
    print "<tr><td width='25%' class='boldbase'>$Lang::tr{'name'}:</td>";
    if ($cgiparams{'KEY'}) {
	print "<td width='25%' class='base'><input type='hidden' name='NAME' value='$cgiparams{'NAME'}' /><b>$cgiparams{'NAME'}</b></td>";
    } else {
	print "<td width='25%'><input type='text' name='NAME' value='$cgiparams{'NAME'}' size='30' /></td>";
    }
    print "<td>$Lang::tr{'enabled'}</td><td><input type='checkbox' name='ENABLED' $checked{'ENABLED'}{'on'} /></td></tr>";
    print '</tr><td><br /></td><tr>';

    my $disabled;
    my $blob;
    if ($cgiparams{'TYPE'} eq 'host') {
	$disabled = "disabled='disabled'";
	$blob = "<img src='/blob.gif' alt='*' />";
    };

    print "<tr><td>$Lang::tr{'host ip'}:</td>";
    print "<td><select name='INTERFACE'>";
    print "<option value='RED' $selected{'INTERFACE'}{'RED'}>RED ($vpnsettings{'VPN_IP'})</option>";
    print "<option value='GREEN' $selected{'INTERFACE'}{'GREEN'}>GREEN ($netsettings{'GREEN_ADDRESS'})</option>";
    print "<option value='BLUE' $selected{'INTERFACE'}{'BLUE'}>BLUE ($netsettings{'BLUE_ADDRESS'})</option>" if ($netsettings{'BLUE_DEV'} ne '');
    print "<option value='ORANGE' $selected{'INTERFACE'}{'ORANGE'}>ORANGE ($netsettings{'ORANGE_ADDRESS'})</option>" if ($netsettings{'ORANGE_DEV'} ne '');
    print "</select></td>";
    print <<END
	    <td class='boldbase'>$Lang::tr{'remote host/ip'}:&nbsp;$blob</td>
	    <td><input type='text' name='REMOTE' value='$cgiparams{'REMOTE'}' size='30' /></td>
	</tr><tr>
	    <td class='boldbase' nowrap='nowrap'>$Lang::tr{'local subnet'}</td>
	    <td><input type='text' name='LOCAL_SUBNET' value='$cgiparams{'LOCAL_SUBNET'}' size='30' /></td>
	    <td class='boldbase' nowrap='nowrap'>$Lang::tr{'remote subnet'}</td>
	    <td><input $disabled type='text' name='REMOTE_SUBNET' value='$cgiparams{'REMOTE_SUBNET'}' size='30' /></td>
	</tr><tr>
	    <td class='boldbase'>$Lang::tr{'vpn local id'}:&nbsp;<img src='/blob.gif' alt='*' />
	    <br />($Lang::tr{'eg'} <tt>&#64;xy.example.com</tt>)</td>
	    <td><input type='text' name='LOCAL_ID' value='$cgiparams{'LOCAL_ID'}' /></td>
	    <td class='boldbase'>$Lang::tr{'vpn remote id'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
	    <td><input type='text' name='REMOTE_ID' value='$cgiparams{'REMOTE_ID'}' /></td>
	</tr><tr>
	</tr><td><br /></td><tr>
	    <td>$Lang::tr{'dpd action'}:</td>
	    <td><select name='DPD_ACTION'>
    		<option value='clear' $selected{'DPD_ACTION'}{'clear'}>clear</option>
    		<option value='hold' $selected{'DPD_ACTION'}{'hold'}>hold</option>
    		<option value='restart' $selected{'DPD_ACTION'}{'restart'}>restart</option>
		</select>&nbsp; <a href='http://www.openswan.com/docs/local/README.DPD'>?</a>
	    </td>
	</tr><tr>
<!--http://www.openswan.com/docs/local/README.DPD
    http://bugs.xelerance.com/view.php?id=156
    restart = clear + reinitiate connection
-->
	    <td class='boldbase'>$Lang::tr{'remark title'}&nbsp;<img src='/blob.gif' alt='*' /></td>
	    <td colspan='3'><input type='text' name='REMARK' value='$cgiparams{'REMARK'}' size='55' maxlength='50' /></td>
	</tr>
END
    ;
    if (!$cgiparams{'KEY'}) {
        print "<tr><td colspan='3'><input type='checkbox' name='EDIT_ADVANCED' $checked{'EDIT_ADVANCED'}{'on'} /> $Lang::tr{'edit advanced settings when done'}</td></tr>";
    }
    print "</table>";
    &Header::closebox();
	
    if ($cgiparams{'KEY'} && $cgiparams{'AUTH'} eq 'psk') {
	&Header::openbox('100%', 'left', $Lang::tr{'authentication'});
	print <<END
	<table width='100%' cellpadding='0' cellspacing='5' border='0'>
	<tr><td class='base' width='50%'>$Lang::tr{'use a pre-shared key'}</td>
	    <td class='base' width='50%'><input type='text' name='PSK' size='30' value='$cgiparams{'PSK'}' /></td>
	</tr>
	</table>
END
	;
	&Header::closebox();
    } elsif (! $cgiparams{'KEY'}) {
	my $pskdisabled = ($vpnsettings{'VPN_IP'} eq '%defaultroute') ? "disabled='disabled'" : '' ;
        $cgiparams{'PSK'} =  $Lang::tr{'vpn incompatible use of defaultroute'} if ($pskdisabled);
	my $cakeydisabled = ( ! -f "${General::swroot}/private/cakey.pem" ) ? "disabled='disabled'" : '';
        $cgiparams{'CERT_NAME'} = $Lang::tr{'vpn no full pki'} if ($cakeydisabled);
	my $cacrtdisabled = ( ! -f "${General::swroot}/ca/cacert.pem" ) ? "disabled='disabled'" : '';

	&Header::openbox('100%', 'left', $Lang::tr{'authentication'});
	print <<END
	<table width='100%' cellpadding='0' cellspacing='5' border='0'>
	<tr><td width='5%'><input type='radio' name='AUTH' value='psk' $checked{'AUTH'}{'psk'} $pskdisabled/></td>
	    <td class='base' width='55%'>$Lang::tr{'use a pre-shared key'}</td>
	    <td class='base' width='40%'><input type='text' name='PSK' size='30' value='$cgiparams{'PSK'}' $pskdisabled/></td></tr>
	<tr><td colspan='3' bgcolor='#000000'></td></tr>
	<tr><td><input type='radio' name='AUTH' value='certreq' $checked{'AUTH'}{'certreq'} $cakeydisabled /></td>
	    <td class='base'><hr />$Lang::tr{'upload a certificate request'}</td>
	    <td class='base' rowspan='3' valign='middle'><input type='file' name='FH' size='30' $cacrtdisabled /></td></tr>
	<tr><td><input type='radio' name='AUTH' value='certfile' $checked{'AUTH'}{'certfile'} $cacrtdisabled /></td>
	    <td class='base'>$Lang::tr{'upload a certificate'}</td></tr>
	<tr><td><input type='radio' name='AUTH' value='pkcs12' $cacrtdisabled /></td>
	    <td class='base'>$Lang::tr{'upload p12 file'} $Lang::tr{'pkcs12 file password'}:<input type='password' name='P12_PASS'/></td></tr>
	<tr><td><input type='radio' name='AUTH' value='auth-dn' $checked{'AUTH'}{'auth-dn'} $cacrtdisabled /></td>
	    <td class='base'><hr />$Lang::tr{'vpn auth-dn'}</td></tr>
	<tr><td colspan='3' bgcolor='#000000'></td></tr>
	<tr><td><input type='radio' name='AUTH' value='certgen' $checked{'AUTH'}{'certgen'} $cakeydisabled /></td>
	    <td class='base'><hr />$Lang::tr{'generate a certificate'}</td><td>&nbsp;</td></tr>
	<tr><td>&nbsp;</td>
	    <td class='base'>$Lang::tr{'users fullname or system hostname'}:</td>
	    <td class='base' nowrap='nowrap'><input type='text' name='CERT_NAME' value='$cgiparams{'CERT_NAME'}' size='32' $cakeydisabled /></td></tr>
	<tr><td>&nbsp;</td>
	    <td class='base'>$Lang::tr{'users email'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
	    <td class='base' nowrap='nowrap'><input type='text' name='CERT_EMAIL' value='$cgiparams{'CERT_EMAIL'}' size='32' $cakeydisabled /></td></tr>
	<tr><td>&nbsp;</td>
	    <td class='base'>$Lang::tr{'users department'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
	    <td class='base' nowrap='nowrap'><input type='text' name='CERT_OU' value='$cgiparams{'CERT_OU'}' size='32' $cakeydisabled /></td></tr>
	<tr><td>&nbsp;</td>
	    <td class='base'>$Lang::tr{'organization name'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
	    <td class='base' nowrap='nowrap'><input type='text' name='CERT_ORGANIZATION' value='$cgiparams{'CERT_ORGANIZATION'}' size='32' $cakeydisabled /></td></tr>
	<tr><td>&nbsp;</td>
	    <td class='base'>$Lang::tr{'city'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
	    <td class='base' nowrap='nowrap'><input type='text' name='CERT_CITY' value='$cgiparams{'CERT_CITY'}' size='32' $cakeydisabled /></td></tr>
	<tr><td>&nbsp;</td>
	    <td class='base'>$Lang::tr{'state or province'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
	    <td class='base' nowrap='nowrap'><input type='text' name='CERT_STATE' value='$cgiparams{'CERT_STATE'}' size='32' $cakeydisabled /></td></tr>
	<tr><td>&nbsp;</td>
	    <td class='base'>$Lang::tr{'country'}:</td>
	    <td class='base'><select name='CERT_COUNTRY' $cakeydisabled>
END
	;
	foreach my $country (sort keys %{Countries::countries}) {
	    print "\t\t\t<option value='$Countries::countries{$country}'";
	    if ( $Countries::countries{$country} eq $cgiparams{'CERT_COUNTRY'} ) {
		print " selected='selected'";
	    }
	    print ">$country</option>\n";
	}
	print <<END
	    </select></td></tr>

	<tr><td>&nbsp;</td><td class='base'>$Lang::tr{'vpn subjectaltname'} (subjectAltName=email:*,URI:*,DNS:*,RID:*)<img src='/blob.gif' alt='*' /></td>
	    <td class='base' nowrap='nowrap'><input type='text' name='SUBJECTALTNAME' value='$cgiparams{'SUBJECTALTNAME'}' size='32' $cakeydisabled /></td></tr>
	<tr><td>&nbsp;</td>
	    <td class='base'>$Lang::tr{'pkcs12 file password'}:</td>
	    <td class='base' nowrap='nowrap'><input type='password' name='CERT_PASS1' value='$cgiparams{'CERT_PASS1'}' size='32' $cakeydisabled /></td></tr>
	<tr><td>&nbsp;</td><td class='base'>$Lang::tr{'pkcs12 file password'}:($Lang::tr{'confirmation'})</td>
	    <td class='base' nowrap='nowrap'><input type='password' name='CERT_PASS2' value='$cgiparams{'CERT_PASS2'}' size='32' $cakeydisabled /></td></tr>
	</table>
END
	;
	&Header::closebox();
    }

    print "<div align='center'><input type='submit' name='ACTION' value='$Lang::tr{'save'}' />";
    if ($cgiparams{'KEY'}) {
        print "<input type='submit' name='ACTION' value='$Lang::tr{'advanced'}' />";
    }
    print "<input type='submit' name='ACTION' value='$Lang::tr{'cancel'}' /></div></form>";
    &Header::closebigbox();
    &Header::closepage();
    exit (0);
    
    VPNCONF_END:
}

###
### Advanced settings
###
if(($cgiparams{'ACTION'} eq $Lang::tr{'advanced'}) ||
	($cgiparams{'ACTION'} eq $Lang::tr{'save'} && $cgiparams{'ADVANCED'} eq 'yes')) {
    &General::readhash("${General::swroot}/vpn/settings", \%vpnsettings);
    &General::readhasharray("${General::swroot}/vpn/config", \%confighash);
    if (! $confighash{$cgiparams{'KEY'}}) {
	$errormessage = $Lang::tr{'invalid key'};
	goto ADVANCED_END;
    }

    if ($cgiparams{'ACTION'} eq $Lang::tr{'save'}) {
	# I didn't read any incompatibilities here....
	#if ($cgiparams{'VHOST'} eq 'on' && $cgiparams{'COMPRESSION'} eq 'on') {
	#    $errormessage = $Lang::tr{'cannot enable both nat traversal and compression'};
	#    goto ADVANCED_ERROR;
	#}
	my @temp = split('\|', $cgiparams{'IKE_ENCRYPTION'});
	if ($#temp < 0) {
	    $errormessage = $Lang::tr{'invalid input'};
	    goto ADVANCED_ERROR;
	}
	foreach my $val (@temp) {
	    if ($val !~ /^(aes256|aes128|3des|twofish256|twofish128|serpent256|serpent128|blowfish256|blowfish128|cast128)$/) {
		$errormessage = $Lang::tr{'invalid input'};
		goto ADVANCED_ERROR;
	    }
	}
	@temp = split('\|', $cgiparams{'IKE_INTEGRITY'});
	if ($#temp < 0) {
	    $errormessage = $Lang::tr{'invalid input'};
	    goto ADVANCED_ERROR;
	}
	foreach my $val (@temp) {
	    if ($val !~ /^(sha2_512|sha2_256|sha|md5)$/) {
		$errormessage = $Lang::tr{'invalid input'};
		goto ADVANCED_ERROR;
	    }
	}
	@temp = split('\|', $cgiparams{'IKE_GROUPTYPE'});
	if ($#temp < 0) {
	    $errormessage = $Lang::tr{'invalid input'};
	    goto ADVANCED_ERROR;
	}
	foreach my $val (@temp) {
	    if ($val !~ /^(768|1024|1536|2048|3072|4096|6144|8192)$/) {
		$errormessage = $Lang::tr{'invalid input'};
		goto ADVANCED_ERROR;
	    }
	}
	if ($cgiparams{'IKE_LIFETIME'} !~ /^\d+$/) {
	    $errormessage = $Lang::tr{'invalid input for ike lifetime'};
	    goto ADVANCED_ERROR;
	}
	if ($cgiparams{'IKE_LIFETIME'} < 1 || $cgiparams{'IKE_LIFETIME'} > 8) {
	    $errormessage = $Lang::tr{'ike lifetime should be between 1 and 8 hours'};
	    goto ADVANCED_ERROR;
	}
	@temp = split('\|', $cgiparams{'ESP_ENCRYPTION'});
	if ($#temp < 0) {
	    $errormessage = $Lang::tr{'invalid input'};
	    goto ADVANCED_ERROR;
	}
	foreach my $val (@temp) {
	    if ($val !~ /^(aes256|aes128|3des|twofish256|twofish128|serpent256|serpent128|blowfish256|blowfish128)$/) {
		$errormessage = $Lang::tr{'invalid input'};
		goto ADVANCED_ERROR;
	    }
	}
	@temp = split('\|', $cgiparams{'ESP_INTEGRITY'});
	if ($#temp < 0) {
	    $errormessage = $Lang::tr{'invalid input'};
	    goto ADVANCED_ERROR;
	}
	foreach my $val (@temp) {
	    if ($val !~ /^(sha2_512|sha2_256|sha1|md5)$/) {
		$errormessage = $Lang::tr{'invalid input'};
		goto ADVANCED_ERROR;
	    }
	}
	if ($cgiparams{'ESP_GROUPTYPE'} ne '' &&
	    $cgiparams{'ESP_GROUPTYPE'} !~  /^modp(768|1024|1536|2048|3072|4096)$/) {
	    $errormessage = $Lang::tr{'invalid input'};
	    goto ADVANCED_ERROR;
	}

	if ($cgiparams{'ESP_KEYLIFE'} !~ /^\d+$/) {
	    $errormessage = $Lang::tr{'invalid input for esp keylife'};
	    goto ADVANCED_ERROR;
	}
	if ($cgiparams{'ESP_KEYLIFE'} < 1 || $cgiparams{'ESP_KEYLIFE'} > 24) {
	    $errormessage = $Lang::tr{'esp keylife should be between 1 and 24 hours'};
	    goto ADVANCED_ERROR;
	}

	if (
	    ($cgiparams{'AGGRMODE'} !~ /^(|on|off)$/) ||
	    ($cgiparams{'COMPRESSION'} !~ /^(|on|off)$/) ||
	    ($cgiparams{'ONLY_PROPOSED'} !~ /^(|on|off)$/) ||
	    ($cgiparams{'PFS'} !~ /^(|on|off)$/) ||
	    ($cgiparams{'VHOST'} !~ /^(|on|off)$/)
	){
	    $errormessage = $Lang::tr{'invalid input'};
	    goto ADVANCED_ERROR;
	}

	$confighash{$cgiparams{'KEY'}}[18] = $cgiparams{'IKE_ENCRYPTION'};
	$confighash{$cgiparams{'KEY'}}[19] = $cgiparams{'IKE_INTEGRITY'};
	$confighash{$cgiparams{'KEY'}}[20] = $cgiparams{'IKE_GROUPTYPE'};
	$confighash{$cgiparams{'KEY'}}[16] = $cgiparams{'IKE_LIFETIME'};
	$confighash{$cgiparams{'KEY'}}[21] = $cgiparams{'ESP_ENCRYPTION'};
	$confighash{$cgiparams{'KEY'}}[22] = $cgiparams{'ESP_INTEGRITY'};
	$confighash{$cgiparams{'KEY'}}[23] = $cgiparams{'ESP_GROUPTYPE'};
	$confighash{$cgiparams{'KEY'}}[17] = $cgiparams{'ESP_KEYLIFE'};
	$confighash{$cgiparams{'KEY'}}[12] = $cgiparams{'AGGRMODE'};
	$confighash{$cgiparams{'KEY'}}[13] = $cgiparams{'COMPRESSION'};
	$confighash{$cgiparams{'KEY'}}[24] = $cgiparams{'ONLY_PROPOSED'};
	$confighash{$cgiparams{'KEY'}}[28] = $cgiparams{'PFS'};
	$confighash{$cgiparams{'KEY'}}[14] = $cgiparams{'VHOST'};
	&General::writehasharray("${General::swroot}/vpn/config", \%confighash);
	&writeipsecfiles();
	if (&vpnenabled) {
	    system('/usr/local/bin/ipsecctrl', 'S', $cgiparams{'KEY'});
	    sleep $sleepDelay;
	}
	goto ADVANCED_END;
    } else {
	$cgiparams{'IKE_ENCRYPTION'} = $confighash{$cgiparams{'KEY'}}[18];
	$cgiparams{'IKE_INTEGRITY'}  = $confighash{$cgiparams{'KEY'}}[19];
	$cgiparams{'IKE_GROUPTYPE'}  = $confighash{$cgiparams{'KEY'}}[20];
	$cgiparams{'IKE_LIFETIME'}   = $confighash{$cgiparams{'KEY'}}[16];
	$cgiparams{'ESP_ENCRYPTION'} = $confighash{$cgiparams{'KEY'}}[21];
	$cgiparams{'ESP_INTEGRITY'}  = $confighash{$cgiparams{'KEY'}}[22];
	$cgiparams{'ESP_GROUPTYPE'}  = $confighash{$cgiparams{'KEY'}}[23];
	$cgiparams{'ESP_KEYLIFE'}    = $confighash{$cgiparams{'KEY'}}[17];
	$cgiparams{'AGGRMODE'}       = $confighash{$cgiparams{'KEY'}}[12];
	$cgiparams{'COMPRESSION'}    = $confighash{$cgiparams{'KEY'}}[13];
	$cgiparams{'ONLY_PROPOSED'}  = $confighash{$cgiparams{'KEY'}}[24];
	$cgiparams{'PFS'}  	     = $confighash{$cgiparams{'KEY'}}[28];
	$cgiparams{'VHOST'}          = $confighash{$cgiparams{'KEY'}}[14];

	if ($confighash{$cgiparams{'KEY'}}[3] eq 'net' || $confighash{$cgiparams{'KEY'}}[10]) {
	    $cgiparams{'VHOST'}            = 'off';
	}
    }

    ADVANCED_ERROR:
    $checked{'IKE_ENCRYPTION'}{'aes256'} = '';
    $checked{'IKE_ENCRYPTION'}{'aes128'} = '';
    $checked{'IKE_ENCRYPTION'}{'3des'} = '';
    $checked{'IKE_ENCRYPTION'}{'twofish256'} = '';
    $checked{'IKE_ENCRYPTION'}{'twofish128'} = '';
    $checked{'IKE_ENCRYPTION'}{'serpent256'} = '';
    $checked{'IKE_ENCRYPTION'}{'serpent128'} = '';
    $checked{'IKE_ENCRYPTION'}{'blowfish256'} = '';
    $checked{'IKE_ENCRYPTION'}{'blowfish128'} = '';
    $checked{'IKE_ENCRYPTION'}{'cast128'} = '';
    my @temp = split('\|', $cgiparams{'IKE_ENCRYPTION'});
    foreach my $key (@temp) {$checked{'IKE_ENCRYPTION'}{$key} = "selected='selected'"; }
    $checked{'IKE_INTEGRITY'}{'sha2_512'} = '';
    $checked{'IKE_INTEGRITY'}{'sha2_256'} = '';
    $checked{'IKE_INTEGRITY'}{'sha'} = '';
    $checked{'IKE_INTEGRITY'}{'md5'} = '';
    @temp = split('\|', $cgiparams{'IKE_INTEGRITY'});
    foreach my $key (@temp) {$checked{'IKE_INTEGRITY'}{$key} = "selected='selected'"; }
    $checked{'IKE_GROUPTYPE'}{'768'} = '';
    $checked{'IKE_GROUPTYPE'}{'1024'} = '';
    $checked{'IKE_GROUPTYPE'}{'1536'} = '';
    $checked{'IKE_GROUPTYPE'}{'2048'} = '';
    $checked{'IKE_GROUPTYPE'}{'3072'} = '';
    $checked{'IKE_GROUPTYPE'}{'4096'} = '';
    $checked{'IKE_GROUPTYPE'}{'6144'} = '';
    $checked{'IKE_GROUPTYPE'}{'8192'} = '';
    @temp = split('\|', $cgiparams{'IKE_GROUPTYPE'});
    foreach my $key (@temp) {$checked{'IKE_GROUPTYPE'}{$key} = "selected='selected'"; }
    $checked{'ESP_ENCRYPTION'}{'aes256'} = '';
    $checked{'ESP_ENCRYPTION'}{'aes128'} = '';
    $checked{'ESP_ENCRYPTION'}{'3des'} = '';
    $checked{'ESP_ENCRYPTION'}{'twofish256'} = '';
    $checked{'ESP_ENCRYPTION'}{'twofish128'} = '';
    $checked{'ESP_ENCRYPTION'}{'serpent256'} = '';
    $checked{'ESP_ENCRYPTION'}{'serpent128'} = '';
    $checked{'ESP_ENCRYPTION'}{'blowfish256'} = '';
    $checked{'ESP_ENCRYPTION'}{'blowfish128'} = '';
    @temp = split('\|', $cgiparams{'ESP_ENCRYPTION'});
    foreach my $key (@temp) {$checked{'ESP_ENCRYPTION'}{$key} = "selected='selected'"; }
    $checked{'ESP_INTEGRITY'}{'sha2_512'} = '';
    $checked{'ESP_INTEGRITY'}{'sha2_256'} = '';
    $checked{'ESP_INTEGRITY'}{'sha1'} = '';
    $checked{'ESP_INTEGRITY'}{'md5'} = '';
    @temp = split('\|', $cgiparams{'ESP_INTEGRITY'});
    foreach my $key (@temp) {$checked{'ESP_INTEGRITY'}{$key} = "selected='selected'"; }
    $checked{'ESP_GROUPTYPE'}{$cgiparams{'ESP_GROUPTYPE'}} = "selected='selected'";

    $checked{'AGGRMODE'} = $cgiparams{'AGGRMODE'} eq 'on' ? "checked='checked'" : '' ;
    $checked{'COMPRESSION'} = $cgiparams{'COMPRESSION'} eq 'on' ? "checked='checked'" : '' ;
    $checked{'ONLY_PROPOSED'} = $cgiparams{'ONLY_PROPOSED'} eq 'on' ? "checked='checked'" : '' ;
    $checked{'PFS'} = $cgiparams{'PFS'} eq 'on' ? "checked='checked'" : '' ;
    $checked{'VHOST'} = $cgiparams{'VHOST'} eq 'on' ? "checked='checked'" : '' ;

    &Header::showhttpheaders();
    &Header::openpage($Lang::tr{'vpn configuration main'}, 1, '');
    &Header::openbigbox('100%', 'left', '', $errormessage);

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

    if ($warnmessage) {
	&Header::openbox('100%', 'left', $Lang::tr{'warning messages'});
	print "<class name='base'>$warnmessage";
	print "&nbsp;</class>";
	&Header::closebox();
    }

    &Header::openbox('100%', 'left', "$Lang::tr{'advanced'}:");
    print <<EOF
    <form method='post' enctype='multipart/form-data' action='$ENV{'SCRIPT_NAME'}'>
    <input type='hidden' name='ADVANCED' value='yes' />
    <input type='hidden' name='KEY' value='$cgiparams{'KEY'}' />

    <table width='100%'>
	<tr><td class='boldbase' align='right' valign='top'>$Lang::tr{'ike encryption'}</td><td class='boldbase' valign='top'>
		<select name='IKE_ENCRYPTION' multiple='multiple' size='4'>
		<option value='aes256' $checked{'IKE_ENCRYPTION'}{'aes256'}>AES (256 bit)</option>
		<option value='aes128' $checked{'IKE_ENCRYPTION'}{'aes128'}>AES (128 bit)</option>
		<option value='3des' $checked{'IKE_ENCRYPTION'}{'3des'}>3DES</option>
		<option value='twofish256' $checked{'IKE_ENCRYPTION'}{'twofish256'}>Twofish (256 bit)</option>
		<option value='twofish128' $checked{'IKE_ENCRYPTION'}{'twofish128'}>Twofish (128 bit)</option>
		<option value='serpent256' $checked{'IKE_ENCRYPTION'}{'serpent256'}>Serpent (256 bit)</option>
		<option value='serpent128' $checked{'IKE_ENCRYPTION'}{'serpent128'}>Serpent (128 bit)</option>
		<option value='blowfish256' $checked{'IKE_ENCRYPTION'}{'blowfish256'}>Blowfish (256 bit)</option>
		<option value='blowfish128' $checked{'IKE_ENCRYPTION'}{'blowfish128'}>Blowfish (128 bit)</option>
		<option value='cast128' $checked{'IKE_ENCRYPTION'}{'cast128'}>Cast (128 bit)</option>
		</select></td>

	    <td class='boldbase' align='right' valign='top'>$Lang::tr{'ike integrity'}</td><td class='boldbase' valign='top'>
		<select name='IKE_INTEGRITY' multiple='multiple' size='4'>
		<option value='sha' $checked{'IKE_INTEGRITY'}{'sha'}>SHA</option>
		<option value='md5' $checked{'IKE_INTEGRITY'}{'md5'}>MD5</option>
		</select></td>
	
	    <td class='boldbase' align='right' valign='top'>$Lang::tr{'ike grouptype'}</td><td class='boldbase' valign='top'>
		<select name='IKE_GROUPTYPE' multiple='multiple' size='4'>
		<option value='8192' $checked{'IKE_GROUPTYPE'}{'8192'}>MODP-8192</option>
		<option value='6144' $checked{'IKE_GROUPTYPE'}{'6144'}>MODP-6144</option>
		<option value='4096' $checked{'IKE_GROUPTYPE'}{'4096'}>MODP-4096</option>
		<option value='3072' $checked{'IKE_GROUPTYPE'}{'3072'}>MODP-3072</option>
		<option value='2048' $checked{'IKE_GROUPTYPE'}{'2048'}>MODP-2048</option>
		<option value='1536' $checked{'IKE_GROUPTYPE'}{'1536'}>MODP-1536</option>
		<option value='1024' $checked{'IKE_GROUPTYPE'}{'1024'}>MODP-1024</option>
		<option value='768'  $checked{'IKE_GROUPTYPE'}{'768'}>MODP-768</option>
		</select></td>
	</tr><tr>
	    <td class='boldbase' align='right' valign='top'>$Lang::tr{'ike lifetime'}</td><td class='boldbase' valign='top'>
	    <input type='text' name='IKE_LIFETIME' value='$cgiparams{'IKE_LIFETIME'}' size='5' /> $Lang::tr{'hours'}</td>

	</tr><tr>
	    <td colspan='1'><hr /></td>
	</tr><tr>
	    <td class='boldbase' align='right' valign='top'>$Lang::tr{'esp encryption'}</td><td class='boldbase' valign='top'>
		<select name='ESP_ENCRYPTION' multiple='multiple' size='4'>
		<option value='aes256' $checked{'ESP_ENCRYPTION'}{'aes256'}>AES (256 bit)</option>
		<option value='aes128' $checked{'ESP_ENCRYPTION'}{'aes128'}>AES (128 bit)</option>
		<option value='3des' $checked{'ESP_ENCRYPTION'}{'3des'}>3DES</option>
		<option value='twofish256' $checked{'ESP_ENCRYPTION'}{'twofish256'}>Twofish (256 bit)</option>
		<option value='twofish128' $checked{'ESP_ENCRYPTION'}{'twofish128'}>Twofish (128 bit)</option>
		<option value='serpent256' $checked{'ESP_ENCRYPTION'}{'serpent256'}>Serpent (256 bit)</option>
		<option value='serpent128' $checked{'ESP_ENCRYPTION'}{'serpent128'}>Serpent (128 bit)</option>
		<option value='blowfish256' $checked{'ESP_ENCRYPTION'}{'blowfish256'}>Blowfish (256 bit)</option>
		<option value='blowfish128' $checked{'ESP_ENCRYPTION'}{'blowfish128'}>Blowfish (128 bit)</option></select></td>

	    <td class='boldbase' align='right' valign='top'>$Lang::tr{'esp integrity'}</td><td class='boldbase' valign='top'>
		<select name='ESP_INTEGRITY' multiple='multiple' size='4'>
		<option value='sha1' $checked{'ESP_INTEGRITY'}{'sha1'}>SHA1</option>
		<option value='md5' $checked{'ESP_INTEGRITY'}{'md5'}>MD5</option></select></td>

	    <td class='boldbase' align='right' valign='top'>$Lang::tr{'esp grouptype'}</td><td class='boldbase' valign='top'>
		<select name='ESP_GROUPTYPE'>
		<option value=''>$Lang::tr{'phase1 group'}</option></select></td>
	</tr><tr>
	    <td class='boldbase' align='right' valign='top'>$Lang::tr{'esp keylife'}</td><td class='boldbase' valign='top'>
		<input type='text' name='ESP_KEYLIFE' value='$cgiparams{'ESP_KEYLIFE'}' size='5' /> $Lang::tr{'hours'}</td>
	</tr><tr>
	    <td colspan='1'><hr /></td>
	</tr><tr>
	    <td colspan='5'><input type='checkbox' name='ONLY_PROPOSED' $checked{'ONLY_PROPOSED'} />
		IKE+ESP: $Lang::tr{'use only proposed settings'}</td>
	</tr><tr>
	    <td colspan='5'><input type='checkbox' name='AGGRMODE' $checked{'AGGRMODE'} />
		$Lang::tr{'vpn aggrmode'}</td>
	</tr><tr>
	    <td colspan='5'><input type='checkbox' name='PFS' $checked{'PFS'} />
		$Lang::tr{'pfs yes no'}</td>
		<td align='right'><input type='submit' name='ACTION' value='$Lang::tr{'save'}' /></td>
	</tr><tr>
	    <td colspan='5'><input type='checkbox' name='COMPRESSION' $checked{'COMPRESSION'} />
		$Lang::tr{'vpn payload compression'}</td>
		<td align='right'><input type='submit' name='ACTION' value='$Lang::tr{'cancel'}' /></td>
	</tr>
EOF
    ;
    if ($confighash{$cgiparams{'KEY'}}[3] eq 'net') {
	print "<tr><td><input type='hidden' name='VHOST' value='off' /></td></tr>";
    } elsif ($confighash{$cgiparams{'KEY'}}[10]) {
	print "<tr><td colspan='5'><input type='checkbox' name='VHOST' $checked{'VHOST'} disabled='disabled' />";
	print " $Lang::tr{'vpn vhost'}</td></tr>";
    } else {
	print "<tr><td colspan='5'><input type='checkbox' name='VHOST' $checked{'VHOST'} />";
	print " $Lang::tr{'vpn vhost'}</td></tr>";
    }

    print "</table></form>";
    &Header::closebox();
    &Header::closebigbox();
    &Header::closepage();
    exit(0);

    ADVANCED_END:
}

###
### Default status page
###
    %cgiparams = ();
    %cahash = ();
    %confighash = ();
    &General::readhash("${General::swroot}/vpn/settings", \%cgiparams);
    &General::readhasharray("${General::swroot}/vpn/caconfig", \%cahash);
    &General::readhasharray("${General::swroot}/vpn/config", \%confighash);
    $cgiparams{'CA_NAME'} = '';

    my @status = `/usr/sbin/ipsec auto --status`;

    # suggest a default name for this side
    if ($cgiparams{'VPN_IP'} eq '' && -e "${General::swroot}/red/active") {
	if (open(IPADDR, "${General::swroot}/red/local-ipaddress")) {
	    my $ipaddr = <IPADDR>;
	    close IPADDR;
	    chomp ($ipaddr);
	    $cgiparams{'VPN_IP'} = (gethostbyaddr(pack("C4", split(/\./, $ipaddr)), 2))[0];
	    if ($cgiparams{'VPN_IP'} eq '') {
		$cgiparams{'VPN_IP'} = $ipaddr;
	    }
	}
    }
    # no IP found, use %defaultroute
    $cgiparams{'VPN_IP'} ='%defaultroute' if ($cgiparams{'VPN_IP'} eq '');
    
    $cgiparams{'VPN_DELAYED_START'} = 0 if (! defined ($cgiparams{'VPN_DELAYED_START'}));
    $checked{'VPN_WATCH'} = $cgiparams{'VPN_WATCH'} eq 'on' ? "checked='checked'" : '' ;
    map ($checked{$_} = $cgiparams{$_} eq 'on' ? "checked='checked'" : '',
	('ENABLED','DBG_CRYPT','DBG_PARSING','DBG_EMITTING','DBG_CONTROL',
	 'DBG_KLIPS','DBG_DNS','DBG_NAT_T'));


    &Header::showhttpheaders();
    &Header::openpage($Lang::tr{'vpn configuration main'}, 1, '');
    &Header::openbigbox('100%', 'left', '', $errormessage);

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

    &Header::openbox('100%', 'left', $Lang::tr{'global settings'});
    print <<END
    <form method='post' action='$ENV{'SCRIPT_NAME'}'>
    <table width='100%'>
    <tr>
	<td width='20%' class='base' nowrap='nowrap'>$Lang::tr{'vpn red name'}:</td>
	<td width='20%'><input type='text' name='VPN_IP' value='$cgiparams{'VPN_IP'}' /></td>
	<td width='20%' class='base'>$Lang::tr{'enabled'}<input type='checkbox' name='ENABLED' $checked{'ENABLED'} /></td>
    </tr>
END
    ;
    print <<END
    <tr>
	<td class='base' nowrap='nowrap'>$Lang::tr{'override mtu'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
	<td ><input type='text' name='VPN_OVERRIDE_MTU' value='$cgiparams{'VPN_OVERRIDE_MTU'}' /></td>
    </tr>
END
    ;
print <<END
    <tr>
	<td  class='base' nowrap='nowrap'>$Lang::tr{'vpn delayed start'}:&nbsp;<img src='/blob.gif' alt='*' /><img src='/blob.gif' alt='*' /></td>
	<td ><input type='text' name='VPN_DELAYED_START' value='$cgiparams{'VPN_DELAYED_START'}' /></td>
    </tr>
 </table>
<p>$Lang::tr{'vpn watch'}:<input type='checkbox' name='VPN_WATCH' $checked{'VPN_WATCH'} /></p>
<p>PLUTO DEBUG&nbsp;=
crypt:<input type='checkbox' name='DBG_CRYPT' $checked{'DBG_CRYPT'} />,&nbsp;
parsing:<input type='checkbox' name='DBG_PARSING' $checked{'DBG_PARSING'} />,&nbsp;
emitting:<input type='checkbox' name='DBG_EMITTING' $checked{'DBG_EMITTING'} />,&nbsp;
control:<input type='checkbox' name='DBG_CONTROL' $checked{'DBG_CONTROL'} />,&nbsp;
klips:<input type='checkbox' name='DBG_KLIPS' $checked{'DBG_KLIPS'} />,&nbsp;
dns:<input type='checkbox' name='DBG_DNS' $checked{'DBG_DNS'} />,&nbsp;
nat_t:<input type='checkbox' name='DBG_NAT_T' $checked{'DBG_NAT_T'} /></p>

<hr />
<table width='100%'>
<tr>
    <td class='base' valign='top'><img src='/blob.gif' alt='*' /></td>
    <td width='70%' class='base' valign='top'>$Lang::tr{'this field may be blank'}</td>
</tr>
<tr>
    <td class='base' valign='top' nowrap='nowrap'><img src='/blob.gif' alt='*' /><img src='/blob.gif' alt='*' />&nbsp;</td>
    <td class='base'>	<font class='base'>$Lang::tr{'vpn delayed start help'}</font></td>
    <td width='30%' align='center' class='base'><input type='submit' name='ACTION' value='$Lang::tr{'save'}' /></td>
</tr>
</table>
END
;	        
    print "</form>";
    &Header::closebox();

    &Header::openbox('100%', 'left', $Lang::tr{'connection status and controlc'});
    print <<END
    <table width='100%' border='0' cellspacing='1' cellpadding='0'>
    <tr>
	<td width='10%' class='boldbase' align='center'><b>$Lang::tr{'name'}</b></td>
	<td width='22%' class='boldbase' align='center'><b>$Lang::tr{'type'}</b></td>
	<td width='23%' class='boldbase' align='center'><b>$Lang::tr{'common name'}</b></td>
	<td width='30%' class='boldbase' align='center'><b>$Lang::tr{'remark'}</b></td>
	<td width='10%' class='boldbase' align='center'><b>$Lang::tr{'status'}</b></td>
	<td class='boldbase' align='center' colspan='6'><b>$Lang::tr{'action'}</b></td>
    </tr>
END
    ;
    my $id = 0;
    my $gif;
    foreach my $key (keys %confighash) {
	if ($confighash{$key}[0] eq 'on') { $gif = 'on.gif'; } else { $gif = 'off.gif'; }

	if ($id % 2) {
	    print "<tr bgcolor='$color{'color20'}'>\n";
	} else {
	    print "<tr bgcolor='$color{'color22'}'>\n";
	}
	print "<td align='center' nowrap='nowrap'>$confighash{$key}[1]</td>";
	print "<td align='center' nowrap='nowrap'>" . $Lang::tr{"$confighash{$key}[3]"} . " (" . $Lang::tr{"$confighash{$key}[4]"} . ")</td>";
	if ($confighash{$key}[2] eq '%auth-dn') {
	    print "<td align='left' nowrap='nowrap'>$confighash{$key}[9]</td>";
	} elsif ($confighash{$key}[4] eq 'cert') {
	    print "<td align='left' nowrap='nowrap'>$confighash{$key}[2]</td>";
	} else {
	    print "<td align='left'>&nbsp;</td>";
	}
	print "<td align='center'>$confighash{$key}[25]</td>";
	# get real state
	my $active = "<table cellpadding='2' cellspacing='0' bgcolor='${Header::colourred}' width='100%'><tr><td align='center'><b><font color='#FFFFFF'>$Lang::tr{'capsclosed'}</font></b></td></tr></table>";
	foreach my $line (@status) {
	    if ($line =~ /\"$confighash{$key}[1]\".*IPsec SA established/) {
		$active = "<table cellpadding='2' cellspacing='0' bgcolor='${Header::colourgreen}' width='100%'><tr><td align='center'><b><font color='#FFFFFF'>$Lang::tr{'capsopen'}</font></b></td></tr></table>";
	    }
	}
	# move to blueif really down
	if ($confighash{$key}[0] eq 'off' && $active =~ /${Header::colourred}/ ) {
	    $active = "<table cellpadding='2' cellspacing='0' bgcolor='${Header::colourblue}' width='100%'><tr><td align='center'><b><font color='#FFFFFF'>$Lang::tr{'capsclosed'}</font></b></td></tr></table>";
	}
	print <<END
	<td align='center'>$active</td>
	<td align='center'>
	    <form method='post' action='$ENV{'SCRIPT_NAME'}'>
	    <input type='image'  name='$Lang::tr{'restart'}' src='/images/reload.gif' alt='$Lang::tr{'restart'}' title='$Lang::tr{'restart'}' />
	    <input type='hidden' name='ACTION' value='$Lang::tr{'restart'}' />
	    <input type='hidden' name='KEY' value='$key' />
	    </form>
	</td>
END
	;
	if (($confighash{$key}[4] eq 'cert') && ($confighash{$key}[2] ne '%auth-dn')) {
	    print <<END
	    <td align='center'>
	    <form method='post' action='$ENV{'SCRIPT_NAME'}'>
		<input type='image' name='$Lang::tr{'show certificate'}' src='/images/info.gif' alt='$Lang::tr{'show certificate'}' title='$Lang::tr{'show certificate'}' />
		<input type='hidden' name='ACTION' value='$Lang::tr{'show certificate'}' />
		<input type='hidden' name='KEY' value='$key' />
	    </form>
	    </td>
END
	; } else {
	    print "<td width='2%'>&nbsp;</td>";
	}
	if ($confighash{$key}[4] eq 'cert' && -f "${General::swroot}/certs/$confighash{$key}[1].p12") { 
	    print <<END
	    <td align='center'>
	    <form method='post' action='$ENV{'SCRIPT_NAME'}'>
		<input type='image' name='$Lang::tr{'download pkcs12 file'}' src='/images/floppy.gif' alt='$Lang::tr{'download pkcs12 file'}' title='$Lang::tr{'download pkcs12 file'}' />
		<input type='hidden' name='ACTION' value='$Lang::tr{'download pkcs12 file'}' />
		<input type='hidden' name='KEY' value='$key' />
	    </form>
	</td>
END
	; } elsif (($confighash{$key}[4] eq 'cert') && ($confighash{$key}[2] ne '%auth-dn')) {
	    print <<END
	    <td align='center'>
	    <form method='post' action='$ENV{'SCRIPT_NAME'}'>
		<input type='image' name='$Lang::tr{'download certificate'}' src='/images/floppy.gif' alt='$Lang::tr{'download certificate'}' title='$Lang::tr{'download certificate'}' />
		<input type='hidden' name='ACTION' value='$Lang::tr{'download certificate'}' />
		<input type='hidden' name='KEY' value='$key' />
	    </form>
	</td>
END
	; } else {
	    print "<td width='2%'>&nbsp;</td>";
	}
	print <<END
	<td align='center'>
	    <form method='post' action='$ENV{'SCRIPT_NAME'}'>
	    <input type='image' name='$Lang::tr{'toggle enable disable'}' src='/images/$gif' alt='$Lang::tr{'toggle enable disable'}' title='$Lang::tr{'toggle enable disable'}' />
	    <input type='hidden' name='ACTION' value='$Lang::tr{'toggle enable disable'}' />
	    <input type='hidden' name='KEY' value='$key' />
	    </form>
	</td>

	<td align='center'>
	    <form method='post' action='$ENV{'SCRIPT_NAME'}'>
	    <input type='hidden' name='ACTION' value='$Lang::tr{'edit'}' />
	    <input type='image' name='$Lang::tr{'edit'}' src='/images/edit.gif' alt='$Lang::tr{'edit'}' title='$Lang::tr{'edit'}' />
	    <input type='hidden' name='KEY' value='$key' />
	    </form>
	</td>
	<td align='center' >
	    <form method='post' action='$ENV{'SCRIPT_NAME'}'>
	    <input type='hidden' name='ACTION' value='$Lang::tr{'remove'}' />
	    <input type='image'  name='$Lang::tr{'remove'}' src='/images/delete.gif' alt='$Lang::tr{'remove'}' title='$Lang::tr{'remove'}' />
	    <input type='hidden' name='KEY' value='$key' />
	    </form>
	</td>
	</tr>
END
	;
	$id++;
    }
    print "</table>";

    # If the config file contains entries, print Key to action icons
    if ( $id ) {
    print <<END
    <table>
    <tr>
	<td class='boldbase'>&nbsp; <b>$Lang::tr{'legend'}:</b></td>
	<td>&nbsp; <img src='/images/on.gif' alt='$Lang::tr{'click to disable'}' /></td>
	<td class='base'>$Lang::tr{'click to disable'}</td>
	<td>&nbsp; &nbsp; <img src='/images/info.gif' alt='$Lang::tr{'show certificate'}' /></td>
	<td class='base'>$Lang::tr{'show certificate'}</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>
    <tr>
	<td>&nbsp; </td>
	<td>&nbsp; <img src='/images/off.gif' alt='?OFF' /></td>
	<td class='base'>$Lang::tr{'click to enable'}</td>
	<td>&nbsp; &nbsp; <img src='/images/floppy.gif' alt='?FLOPPY' /></td>
	<td class='base'>$Lang::tr{'download certificate'}</td>
	<td>&nbsp; &nbsp; <img src='/images/reload.gif' alt='?RELOAD'/></td>
	<td class='base'>$Lang::tr{'restart'}</td>
    </tr>
    </table>
END
    ;
    }

    print <<END
    <table width='100%'>
    <tr><td align='center' colspan='9'>
	<form method='post' action='$ENV{'SCRIPT_NAME'}'>
	<input type='submit' name='ACTION' value='$Lang::tr{'add'}' />
	</form>
    </td></tr>
    </table>
END
    ;
    &Header::closebox();

    &Header::openbox('100%', 'left', "$Lang::tr{'certificate authorities'}:");
    print <<EOF
    <table width='100%' border='0' cellspacing='1' cellpadding='0'>
    <tr>
	<td width='25%' class='boldbase' align='center'><b>$Lang::tr{'name'}</b></td>
	<td width='65%' class='boldbase' align='center'><b>$Lang::tr{'subject'}</b></td>
	<td width='10%' class='boldbase' colspan='3' align='center'><b>$Lang::tr{'action'}</b></td>
    </tr>
EOF
    ;
    if (-f "${General::swroot}/ca/cacert.pem") {
	my $casubject = &Header::cleanhtml(getsubjectfromcert ("${General::swroot}/ca/cacert.pem"));

	print <<END
	<tr bgcolor='$color{'color22'}'>
	<td class='base'>$Lang::tr{'root certificate'}</td>
	<td class='base'>$casubject</td>
	<td width='3%' align='center'>
	    <form method='post' action='$ENV{'SCRIPT_NAME'}'>
	    <input type='hidden' name='ACTION' value='$Lang::tr{'show root certificate'}' />
	    <input type='image' name='$Lang::tr{'edit'}' src='/images/info.gif' alt='$Lang::tr{'show root certificate'}' title='$Lang::tr{'show root certificate'}' />
	    </form>
	</td>
	<td width='3%' align='center'>
	    <form method='post' action='$ENV{'SCRIPT_NAME'}'>
	    <input type='image' name='$Lang::tr{'download root certificate'}' src='/images/floppy.gif' alt='$Lang::tr{'download root certificate'}' title='$Lang::tr{'download root certificate'}' />
	    <input type='hidden' name='ACTION' value='$Lang::tr{'download root certificate'}' />
	    </form>
	</td>
	<td width='4%'>&nbsp;</td></tr>
END
	;
    } else {
	# display rootcert generation buttons
	print <<END
	<tr bgcolor='$color{'color22'}'>
	<td class='base'>$Lang::tr{'root certificate'}:</td>
	<td class='base'>$Lang::tr{'not present'}</td>
	<td colspan='3'>&nbsp;</td></tr>
END
	;
    }

    if (-f "${General::swroot}/certs/hostcert.pem") {
	my $hostsubject = &Header::cleanhtml(getsubjectfromcert ("${General::swroot}/certs/hostcert.pem"));

	print <<END
	<tr bgcolor='$color{'color20'}'>
	<td class='base'>$Lang::tr{'host certificate'}</td>
	<td class='base'>$hostsubject</td>
	<td width='3%' align='center'>
	    <form method='post' action='$ENV{'SCRIPT_NAME'}'>
	    <input type='hidden' name='ACTION' value='$Lang::tr{'show host certificate'}' />
	    <input type='image' name='$Lang::tr{'show host certificate'}' src='/images/info.gif' alt='$Lang::tr{'show host certificate'}' title='$Lang::tr{'show host certificate'}' />
	    </form>
	</td>
	<td width='3%' align='center'>
	    <form method='post' action='$ENV{'SCRIPT_NAME'}'>
	    <input type='image' name='$Lang::tr{'download host certificate'}' src='/images/floppy.gif' alt='$Lang::tr{'download host certificate'}' title='$Lang::tr{'download host certificate'}' />
	    <input type='hidden' name='ACTION' value='$Lang::tr{'download host certificate'}' />
	    </form>
	</td>
	<td width='4%'>&nbsp;</td></tr>
END
	;
    } else {
	# Nothing
	print <<END
	<tr bgcolor='$color{'color20'}'>
	<td width='25%' class='base'>$Lang::tr{'host certificate'}:</td>
	<td class='base'>$Lang::tr{'not present'}</td>
	<td colspan='3'>&nbsp;</td></tr>
END
	;
    }
 
    my $rowcolor = 0;
    if (keys %cahash > 0) {
   foreach my $key (keys %cahash) {
       if ($rowcolor++ % 2) {
      print "<tr bgcolor='$color{'color20'}'>\n";
       } else {
      print "<tr bgcolor='$color{'color22'}'>\n";
       }
	    print "<td class='base'>$cahash{$key}[0]</td>\n";
	    print "<td class='base'>$cahash{$key}[1]</td>\n";
	    print <<END
	    <td align='center'>
		<form method='post' name='cafrm${key}a' action='$ENV{'SCRIPT_NAME'}'>
		<input type='image' name='$Lang::tr{'show ca certificate'}' src='/images/info.gif' alt='$Lang::tr{'show ca certificate'}' title='$Lang::tr{'show ca certificate'}' />
		<input type='hidden' name='ACTION' value='$Lang::tr{'show ca certificate'}' />
		<input type='hidden' name='KEY' value='$key' />
		</form>
	    </td>
	    <td align='center'>
		<form method='post' name='cafrm${key}b' action='$ENV{'SCRIPT_NAME'}'>
		<input type='image' name='$Lang::tr{'download ca certificate'}' src='/images/floppy.gif' alt='$Lang::tr{'download ca certificate'}' title='$Lang::tr{'download ca certificate'}' />
		<input type='hidden' name='ACTION' value='$Lang::tr{'download ca certificate'}' />
		<input type='hidden' name='KEY' value='$key' />
		</form>
	    </td>
	    <td align='center'>
		<form method='post' name='cafrm${key}c' action='$ENV{'SCRIPT_NAME'}'>
		<input type='hidden' name='ACTION' value='$Lang::tr{'remove ca certificate'}' />
		<input type='image'  name='$Lang::tr{'remove ca certificate'}' src='/images/delete.gif' alt='$Lang::tr{'remove ca certificate'}' title='$Lang::tr{'remove ca certificate'}' />
		<input type='hidden' name='KEY' value='$key' />
		</form>
	    </td>
	    </tr>
END
	    ;
	}
    }
    print "</table>";

    # If the file contains entries, print Key to action icons
    if ( -f "${General::swroot}/ca/cacert.pem") {
	print <<END
	<table><tr>
	<td class='boldbase'>&nbsp; <b>$Lang::tr{'legend'}:</b></td>
	<td>&nbsp; &nbsp; <img src='/images/info.gif' alt='$Lang::tr{'show certificate'}' /></td>
	<td class='base'>$Lang::tr{'show certificate'}</td>
	<td>&nbsp; &nbsp; <img src='/images/floppy.gif' alt='$Lang::tr{'download certificate'}' /></td>
	<td class='base'>$Lang::tr{'download certificate'}</td>
	</tr></table>
END
	;
    }
    my $createCA = -f "${General::swroot}/ca/cacert.pem" ? '' : "<tr><td colspan='3'></td><td><input type='submit' name='ACTION' value='$Lang::tr{'generate root/host certificates'}' /></td></tr>";
    print <<END
    <hr />
    <form method='post' enctype='multipart/form-data' action='$ENV{'SCRIPT_NAME'}'>
    <table width='100%' border='0' cellspacing='1' cellpadding='0'>
    $createCA
    <tr>
	<td class='base' nowrap='nowrap'>$Lang::tr{'ca name'}:</td>
	<td nowrap='nowrap'><input type='text' name='CA_NAME' value='$cgiparams{'CA_NAME'}' size='15' /> </td>
	<td nowrap='nowrap'><input type='file' name='FH' size='30' /></td>
	<td nowrap='nowrap'><input type='submit' name='ACTION' value='$Lang::tr{'upload ca certificate'}' /></td>
    </tr>
    <tr>
	<td colspan='3'>$Lang::tr{'resetting the vpn configuration will remove the root ca, the host certificate and all certificate based connections'}:</td>
	<td><input type='submit' name='ACTION' value='$Lang::tr{'remove x509'}' /></td>
    </tr>
    </table>
    </form>
END
    ;
    &Header::closebox();
    &Header::closebigbox();
    &Header::closepage();