#!/usr/bin/perl
###############################################################################
#                                                                             #
# IPFire.org - A linux based firewall                                         #
# Copyright (C) 2007-2011  IPFire Team  info@ipfire.org                       #
#                                                                             #
# 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);

my $green_cidr = &General::ipcidr("$netsettings{'GREEN_NETADDRESS'}/$netsettings{'GREEN_NETMASK'}");
my $blue_cidr = "# Blue not defined";
if ($netsettings{'BLUE_DEV'}) {
	$blue_cidr = &General::ipcidr("$netsettings{'BLUE_NETADDRESS'}/$netsettings{'BLUE_NETMASK'}");
}
my $orange_cidr = "# Orange not defined";
if ($netsettings{'ORANGE_DEV'}) {
	$orange_cidr = &General::ipcidr("$netsettings{'ORANGE_NETADDRESS'}/$netsettings{'ORANGE_NETMASK'}");
}

$cgiparams{'ENABLED'} = 'off';
$cgiparams{'EDIT_ADVANCED'} = 'off';
$cgiparams{'ACTION'} = '';
$cgiparams{'CA_NAME'} = '';
$cgiparams{'KEY'} = '';
$cgiparams{'TYPE'} = '';
$cgiparams{'ADVANCED'} = '';
$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'} = '';
$cgiparams{'RW_NET'} = '';

&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";
    print CONF "\tcharondebug=\"dmn 0, mgr 0, ike 0, chd 0, job 0, cfg 0, knl 0, net 0, asn 0, enc 0, lib 0, esp 0, tls 0, tnc 0, imc 0, imv 0, pts 0\"\n";
    print CONF "\n";
    print CONF "conn %default\n";
    print CONF "\tkeyingtries=%forever\n";
    print CONF "\n";

    # Add user includes to config file
    print CONF "include /etc/ipsec.user.conf\n";
    print CONF "\n";

    print SECRETS "include /etc/ipsec.user.secrets\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";
	my $cidr_net=&General::ipcidr($lconfighash{$key}[8]);
	print CONF "\tleftsubnet=$cidr_net\n";
	print CONF "\tleftfirewall=yes\n";
	print CONF "\tlefthostaccess=yes\n";

	print CONF "\tright=$lconfighash{$key}[10]\n";
	if ($lconfighash{$key}[3] eq 'net') {
	    my $cidr_net=&General::ipcidr($lconfighash{$key}[11]);
	    print CONF "\trightsubnet=$cidr_net\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]);

	# Is PFS enabled?
	my $pfs = $lconfighash{$key}[28] eq 'on' ? 'on' : 'off';

	# 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 @groups = split('\|', $lconfighash{$key}[20]);
	    my $comma = 0;
	    foreach my $i (@encs) {
		foreach my $j (@ints) {
			my $modp = "";
			if ($pfs eq "on") {
				foreach my $k (@groups) {
				    if ($comma != 0) { print CONF ","; } else { $comma = 1; }
				    if ($pfs eq "on") {
					$modp = "-modp$k";
				    } else {
				        $modp = "";
				    }
				    print CONF "$i-$j$modp";
				}
			} else {
				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";
	    }
	}

	# IKE V1 or V2
	if (! $lconfighash{$key}[29]) {
	   $lconfighash{$key}[29] = "ikev1";
	}
	print CONF "\tkeyexchange=$lconfighash{$key}[29]\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]);

	# 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";

	# 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";
	    print CONF "\trightsourceip=$lvpnsettings{'RW_NET'}\n";
	} else {
	    print CONF "\tauto=start\n";
	}
	print CONF "\n";
    }#foreach key
    print SECRETS $last_secrets if ($last_secrets);
    close(CONF);
    close(SECRETS);
}

# Hook to regenerate the configuration files.
if ($ENV{"REMOTE_ADDR"} eq "") {
	writeipsecfiles;
	exit(0);
}

###
### 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;
    }

    if ( $cgiparams{'RW_NET'} ne '' and !&General::validipandmask($cgiparams{'RW_NET'}) ) {
	$errormessage = $Lang::tr{'urlfilter invalid ip or mask error'};
	goto SAVE_ERROR;
    }

    $vpnsettings{'ENABLED'} = $cgiparams{'ENABLED'};
    $vpnsettings{'VPN_IP'} = $cgiparams{'VPN_IP'};
    $vpnsettings{'VPN_DELAYED_START'} = $cgiparams{'VPN_DELAYED_START'};
    $vpnsettings{'RW_NET'} = $cgiparams{'RW_NET'};
    &General::writehash("${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
	    extendedKeyUsage = serverAuth
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{'DPD_ACTION'}	= $confighash{$cgiparams{'KEY'}}[27];
	$cgiparams{'IKE_VERSION'}	= $confighash{$cgiparams{'KEY'}}[29];
	$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{'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 ($cgiparams{'REMOTE'}) {
	    if (($cgiparams{'REMOTE'} ne '%any') && (! &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{'TYPE'} eq 'net'){
		$errormessage=&General::checksubnets($cgiparams{'NAME'},$cgiparams{'REMOTE_SUBNET'});
		if ($errormessage ne ''){
			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] = ""; # Formerly INTERFACE
	$confighash{$key}[27] = $cgiparams{'DPD_ACTION'};
	$confighash{$key}[29] = $cgiparams{'IKE_VERSION'};

	#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] = 'off'; # $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 IKE Version to v2
	if (!$cgiparams{'IKE_VERSION'}) {
	    $cgiparams{'IKE_VERSION'} = 'ikev2';
	}

	# ID are empty
	$cgiparams{'LOCAL_ID'}  = '';
	$cgiparams{'REMOTE_ID'} = '';

	#use default advanced value
	$cgiparams{'IKE_ENCRYPTION'} = 'aes256|aes192|aes128|3des';	#[18];
	$cgiparams{'IKE_INTEGRITY'}  = 'sha2_256|sha|md5';	#[19];
	$cgiparams{'IKE_GROUPTYPE'}  = '8192|6144|4096|3072|2048|1536|1024';		#[20];
	$cgiparams{'IKE_LIFETIME'}   = '1';		#[16];
	$cgiparams{'ESP_ENCRYPTION'} = 'aes256|aes192|aes128|3des';	#[21];
	$cgiparams{'ESP_INTEGRITY'}  = 'sha2_256|sha1|md5';	#[22];
	$cgiparams{'ESP_GROUPTYPE'}  = '';		#[23];
	$cgiparams{'ESP_KEYLIFE'}    = '8';		#[17];
	$cgiparams{'COMPRESSION'}    = 'on';		#[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{'DPD_ACTION'}{'clear'} = '';
    $selected{'DPD_ACTION'}{'hold'} = '';
    $selected{'DPD_ACTION'}{'restart'} = '';
    $selected{'DPD_ACTION'}{$cgiparams{'DPD_ACTION'}} = "selected='selected'";

    $selected{'IKE_VERSION'}{'ikev1'} = '';
    $selected{'IKE_VERSION'}{'ikev2'} = '';
    $selected{'IKE_VERSION'}{$cgiparams{'IKE_VERSION'}} = "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='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 <<END
	<tr>
	    <td class='boldbase'>$Lang::tr{'remote host/ip'}:&nbsp;$blob</td>
	    <td>
	        <input type='text' name='REMOTE' value='$cgiparams{'REMOTE'}' size='30' />
	    </td>
	    <td class='boldbase' nowrap='nowrap'>$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' nowrap='nowrap'>$Lang::tr{'local subnet'}</td>
	    <td colspan='3'>
	        <input type='text' name='LOCAL_SUBNET' value='$cgiparams{'LOCAL_SUBNET'}' size='30' />
	    </td>
	</tr>
	<tr>
	    <td class='boldbase'>$Lang::tr{'vpn local id'}:<br />($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'}:</td>
	    <td><input type='text' name='REMOTE_ID' value='$cgiparams{'REMOTE_ID'}' /></td>
	</tr><tr>
	</tr><td><br /></td><tr>
	    <td>$Lang::tr{'vpn keyexchange'}:</td>
	    <td><select name='IKE_VERSION'>
    		<option value='ikev2' $selected{'IKE_VERSION'}{'ikev2'}>IKEv2</option>
    		<option value='ikev1' $selected{'IKE_VERSION'}{'ikev1'}>IKEv1</option>
    		</select>
	    </td>
	    <td>$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' $selected{'DPD_ACTION'}{'restart'}>restart</option>
		</select>
	    </td>
	</tr><tr>
	    <td class='boldbase'>$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='password' 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='password' 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)$/) {
		$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_384|sha2_256|sha|md5|aesxcbc)$/) {
		$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 !~ /^(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|aes192|aes128|3des)$/) {
		$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_384|sha2_256|sha1|md5|aesxcbc)$/) {
		$errormessage = $Lang::tr{'invalid input'};
		goto ADVANCED_ERROR;
	    }
	}
	if ($cgiparams{'ESP_GROUPTYPE'} ne '' &&
	    $cgiparams{'ESP_GROUPTYPE'} !~  /^modp(1024|1536|2048|3072|4096|6144|8192)$/) {
	    $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 (
	    ($cgiparams{'COMPRESSION'} !~ /^(|on|off)$/) ||
	    ($cgiparams{'ONLY_PROPOSED'} !~ /^(|on|off)$/) ||
	    ($cgiparams{'PFS'} !~ /^(|on|off)$/) ||
	    ($cgiparams{'VHOST'} !~ /^(|on|off)$/)
	){
	    $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] = 'off'; #$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{'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'}{'aes192'} = '';
    $checked{'IKE_ENCRYPTION'}{'aes128'} = '';
    $checked{'IKE_ENCRYPTION'}{'3des'} = '';
    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_384'} = '';
    $checked{'IKE_INTEGRITY'}{'sha2_256'} = '';
    $checked{'IKE_INTEGRITY'}{'sha'} = '';
    $checked{'IKE_INTEGRITY'}{'md5'} = '';
    $checked{'IKE_INTEGRITY'}{'aesxcbc'} = '';
    @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'"; }

    # 768 is not supported by strongswan
    $checked{'IKE_GROUPTYPE'}{'768'} = '';

    $checked{'ESP_ENCRYPTION'}{'aes256'} = '';
    $checked{'ESP_ENCRYPTION'}{'aes192'} = '';
    $checked{'ESP_ENCRYPTION'}{'aes128'} = '';
    $checked{'ESP_ENCRYPTION'}{'3des'} = '';
    @temp = split('\|', $cgiparams{'ESP_ENCRYPTION'});
    foreach my $key (@temp) {$checked{'ESP_ENCRYPTION'}{$key} = "selected='selected'"; }
    $checked{'ESP_INTEGRITY'}{'sha2_512'} = '';
    $checked{'ESP_INTEGRITY'}{'sha2_384'} = '';
    $checked{'ESP_INTEGRITY'}{'sha2_256'} = '';
    $checked{'ESP_INTEGRITY'}{'sha1'} = '';
    $checked{'ESP_INTEGRITY'}{'md5'} = '';
    $checked{'ESP_INTEGRITY'}{'aesxcbc'} = '';
    @temp = split('\|', $cgiparams{'ESP_INTEGRITY'});
    foreach my $key (@temp) {$checked{'ESP_INTEGRITY'}{$key} = "selected='selected'"; }
    $checked{'ESP_GROUPTYPE'}{$cgiparams{'ESP_GROUPTYPE'}} = "selected='selected'";

    $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='aes192' $checked{'IKE_ENCRYPTION'}{'aes192'}>AES (192 bit)</option>
		<option value='aes128' $checked{'IKE_ENCRYPTION'}{'aes128'}>AES (128 bit)</option>
		<option value='3des' $checked{'IKE_ENCRYPTION'}{'3des'}>3DES</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='sha2_512' $checked{'IKE_INTEGRITY'}{'sha2_512'}>SHA2 512 bit</option>
		<option value='sha2_384' $checked{'IKE_INTEGRITY'}{'sha2_384'}>SHA2 384 bit</option>
		<option value='sha2_256' $checked{'IKE_INTEGRITY'}{'sha2_256'}>SHA2 256 bit</option>
		<option value='sha' $checked{'IKE_INTEGRITY'}{'sha'}>SHA1</option>
		<option value='md5' $checked{'IKE_INTEGRITY'}{'md5'}>MD5</option>
		<option value='aesxcbc' $checked{'IKE_INTEGRITY'}{'aesxcbc'}>AES XCBC</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' $checked{'IKE_GROUPTYPE'}{'1024'}>MODP-1024</option>
		</select></td>
	</tr><tr>
	    <td class='boldbase' align='right' valign='top'>$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='aes192' $checked{'ESP_ENCRYPTION'}{'aes192'}>AES (192 bit)</option>
		<option value='aes128' $checked{'ESP_ENCRYPTION'}{'aes128'}>AES (128 bit)</option>
		<option value='3des' $checked{'ESP_ENCRYPTION'}{'3des'}>3DES</option>

	    <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='sha2_512' $checked{'ESP_INTEGRITY'}{'sha2_512'}>SHA2 512 bit</option>
		<option value='sha2_384' $checked{'ESP_INTEGRITY'}{'sha2_384'}>SHA2 384 bit</option>
		<option value='sha2_256' $checked{'ESP_INTEGRITY'}{'sha2_256'}>SHA2 256 bit</option>
		<option value='sha1' $checked{'ESP_INTEGRITY'}{'sha1'}>SHA1</option>
		<option value='md5' $checked{'ESP_INTEGRITY'}{'md5'}>MD5</option>
		<option value='aesxcbc' $checked{'ESP_INTEGRITY'}{'aesxcbc'}>AES XCBC</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='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/local/bin/ipsecctrl I 2>/dev/null`;

    # 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{'ENABLED'} = $cgiparams{'ENABLED'} 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\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{'vpn delayed start'}:&nbsp;<img src='/blob.gif' alt='*' /><img src='/blob.gif' alt='*' /></td>
	<td ><input type='text' name='VPN_DELAYED_START' value='$cgiparams{'VPN_DELAYED_START'}' /></td>
    </tr>
    <tr>
	<td  class='base' nowrap='nowrap'>$Lang::tr{'host to net vpn'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
	<td ><input type='text' name='RW_NET' value='$cgiparams{'RW_NET'}' /></td>
    </tr>
 </table>
<hr />
<table width='100%'>
<tr>
    <td class='base' valign='top'><img src='/blob.gif' alt='*' /></td>
    <td width='70%' class='base' valign='top'>$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]"} . ") $confighash{$key}[29]</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/) ||
	       ($line =~ /$confighash{$key}[1]\{.*INSTALLED/))
	    {
		$active = "<table cellpadding='2' cellspacing='0' bgcolor='${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();