]> git.ipfire.org Git - people/teissler/ipfire-2.x.git/blobdiff - html/cgi-bin/ovpnmain.cgi
Add libpng update to core update 58.
[people/teissler/ipfire-2.x.git] / html / cgi-bin / ovpnmain.cgi
index 2a9da019a362775435f312109f903b80c2082bcd..b6c5fc0ade3c326f8e45c110a02edcb8004d7595 100644 (file)
@@ -2,7 +2,7 @@
 ###############################################################################
 #                                                                             #
 # IPFire.org - A linux based firewall                                         #
-# Copyright (C) 2007  Michael Tremer & Christian Schmidt                      #
+# 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        #
@@ -33,8 +33,8 @@ require "${General::swroot}/header.pl";
 require "${General::swroot}/countries.pl";
 
 # enable only the following on debugging purpose
-use warnings;
-use CGI::Carp 'fatalsToBrowser';
+#use warnings;
+#use CGI::Carp 'fatalsToBrowser';
 #workaround to suppress a warning when a variable is used only once
 my @dummy = ( ${Header::colourgreen} );
 undef (@dummy);
@@ -397,6 +397,22 @@ sub emptyserverlog{
 
 }
 
+###
+# m.a.d net2net
+###
+
+sub validdotmask
+{
+       my $ipdotmask = $_[0];
+       if (&General::validip($ipdotmask)) { return 0; }
+       if (!($ipdotmask =~ /^(.*?)\/(.*?)$/)) {  }
+       my $mask = $2;
+       if (($mask =~ /\./ )) { return 0; }     
+  return 1;
+}
+
+
 #hier die refresh page
 if ( -e "${General::swroot}/ovpn/gencanow") {
     my $refresh = '';
@@ -517,7 +533,7 @@ if ($cgiparams{'ACTION'} eq $Lang::tr{'save-adv-options'}) {
 }
 
 ###
-# m.a.d Save net2net server config
+# m.a.d net2net
 ###
 
 if ($cgiparams{'ACTION'} eq $Lang::tr{'save'} && $cgiparams{'TYPE'} eq 'net' && $cgiparams{'SIDE'} eq 'server')
@@ -526,8 +542,7 @@ if ($cgiparams{'ACTION'} eq $Lang::tr{'save'} && $cgiparams{'TYPE'} eq 'net' &&
 my @remsubnet = split(/\//,$cgiparams{'REMOTE_SUBNET'});
 my @ovsubnettemp =  split(/\./,$cgiparams{'OVPN_SUBNET'});
 my $ovsubnet =  "@ovsubnettemp[0].@ovsubnettemp[1].@ovsubnettemp[2]";
-my $tunmtu =  $cgiparams{'MTU'};
-if ($tunmtu eq '') {$tunmtu = '1500'} else {$tunmtu = $cgiparams{'MTU'}};
+my $tunmtu =  '';
 
 unless(-d "${General::swroot}/ovpn/n2nconf/"){mkdir "${General::swroot}/ovpn/n2nconf", 0755 or die "Unable to create dir $!";}
 unless(-d "${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}"){mkdir "${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}", 0770 or die "Unable to create dir $!";}   
@@ -535,142 +550,143 @@ unless(-d "${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}"){mkdir "${General
   open(SERVERCONF,    ">${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}/$cgiparams{'NAME'}.conf") or die "Unable to open ${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}/$cgiparams{'NAME'}.conf: $!";
   
   flock SERVERCONF, 2;
-  print SERVERCONF "# n2n Open VPN Server Config by ummeegge und m.a.d\n"; 
+  print SERVERCONF "# IPFire n2n Open VPN Server Config by ummeegge und m.a.d\n"; 
   print SERVERCONF "\n"; 
-  print SERVERCONF "# User Sicherheit\n";
+  print SERVERCONF "# User Security\n";
   print SERVERCONF "user nobody\n";
   print SERVERCONF "group nobody\n";
   print SERVERCONF "persist-tun\n";
   print SERVERCONF "persist-key\n";
-  print SERVERCONF "\n";
-  print SERVERCONF "# IP/DNS fuer das Server Gateway - g2g Mode\n"; 
+  print SERVERCONF "script-security 2\n";
+  print SERVERCONF "# IP/DNS for remote Server Gateway\n"; 
   print SERVERCONF "remote $cgiparams{'REMOTE'}\n";
-  print SERVERCONF "\n"; 
-  print SERVERCONF "# IP Adressen des VPN Tunnels\n"; 
+  print SERVERCONF "float\n";
+  print SERVERCONF "# IP adresses of the VPN Subnet\n"; 
   print SERVERCONF "ifconfig $ovsubnet.1 $ovsubnet.2\n"; 
-  print SERVERCONF "\n"; 
-  print SERVERCONF "# Netzwerk auf dem Client Gateway\n"; 
+  print SERVERCONF "# Client Gateway Network\n"; 
   print SERVERCONF "route @remsubnet[0] @remsubnet[1]\n";
-  print SERVERCONF "# Device fuer den Tunnel\n"; 
+  print SERVERCONF "# tun Device\n"; 
   print SERVERCONF "dev tun\n"; 
-  print SERVERCONF "\n"; 
-  print SERVERCONF "#Port und Protokoll\n"; 
+  print SERVERCONF "# Port and Protokol\n"; 
   print SERVERCONF "port $cgiparams{'DEST_PORT'}\n"; 
-  print SERVERCONF "proto $cgiparams{'PROTOCOL'}\n"; 
-  print SERVERCONF "\n"; 
-  print SERVERCONF "# Paketgroessen\n"; 
-  print SERVERCONF "tun-mtu $tunmtu\n"; 
-  print SERVERCONF "fragment 1300\n"; 
-  print SERVERCONF "mssfix\n"; 
-  print SERVERCONF "\n"; 
-  print SERVERCONF "# Auth Server\n"; 
+  
+  if ($cgiparams{'PROTOCOL'} eq 'tcp') {
+  print SERVERCONF "proto tcp-server\n";
+  print SERVERCONF "# Packet size\n";
+  if ($cgiparams{'MTU'} eq '') {$tunmtu = '1400'} else {$tunmtu = $cgiparams{'MTU'}};
+  print SERVERCONF "tun-mtu $tunmtu\n";
+  }
+  
+  if ($cgiparams{'PROTOCOL'} eq 'udp') {
+  print SERVERCONF "proto udp\n"; 
+  print SERVERCONF "# Paketsize\n";
+  if ($cgiparams{'MTU'} eq '') {$tunmtu = '1500'} else {$tunmtu = $cgiparams{'MTU'}};
+  print SERVERCONF "tun-mtu $tunmtu\n";
+  if ($cgiparams{'FRAGMENT'} ne '')  {print SERVERCONF "fragment $cgiparams{'FRAGMENT'}\n";}
+  if ($cgiparams{'MSSFIX'} eq 'on') {print SERVERCONF "mssfix\n";}
+  }
+   
+  print SERVERCONF "# Auth. Server\n"; 
   print SERVERCONF "tls-server\n"; 
   print SERVERCONF "ca ${General::swroot}/ovpn/ca/cacert.pem\n"; 
   print SERVERCONF "cert ${General::swroot}/ovpn/certs/servercert.pem\n"; 
   print SERVERCONF "key ${General::swroot}/ovpn/certs/serverkey.pem\n"; 
   print SERVERCONF "dh ${General::swroot}/ovpn/ca/dh1024.pem\n"; 
-  print SERVERCONF "\n"; 
-  print SERVERCONF "# Verschluesselung\n"; 
+  print SERVERCONF "# Cipher\n"; 
   print SERVERCONF "cipher AES-256-CBC\n"; 
   if ($cgiparams{'COMPLZO'} eq 'on') {
-   print SERVERCONF "# Kompression einschalten\n";
+   print SERVERCONF "# Enable Compression\n";
    print SERVERCONF "comp-lzo\r\n";
-   print SERVERCONF "#\n";
-   }
-  print SERVERCONF "# Debug Level setzen\n"; 
+     }
+  print SERVERCONF "# Debug Level\n"; 
   print SERVERCONF "verb 3\n"; 
-  print SERVERCONF "\n"; 
-  print SERVERCONF "# Tunnel Ueberwachung\n"; 
+  print SERVERCONF "# Tunnel check\n"; 
   print SERVERCONF "keepalive 10 60\n"; 
-  print SERVERCONF "\n"; 
-  print SERVERCONF "# Als Daemon starten mit Namen ovpnn2n\n"; 
+  print SERVERCONF "# Start as daemon\n"; 
   print SERVERCONF "daemon $cgiparams{'NAME'}n2n\n"; 
   print SERVERCONF "writepid /var/run/$cgiparams{'NAME'}n2n.pid\n"; 
-  print SERVERCONF "\n"; 
-  print SERVERCONF "# Management Interface aktivieren\n"; 
+  print SERVERCONF "# Activate Management Interface and Port\n"; 
   print SERVERCONF "#management localhost 4711\n";
   close(SERVERCONF);
 
 }
 
 ###
-# m.a.d Save net2net client config
+# m.a.d net2net
 ###
+
 if ($cgiparams{'ACTION'} eq $Lang::tr{'save'} && $cgiparams{'TYPE'} eq 'net' && $cgiparams{'SIDE'} eq 'client')
 {
         my @ovsubnettemp =  split(/\./,$cgiparams{'OVPN_SUBNET'});
         my $ovsubnet =  "@ovsubnettemp[0].@ovsubnettemp[1].@ovsubnettemp[2]";
         my @remsubnet =  split(/\//,$cgiparams{'REMOTE_SUBNET'});
-        my $tunmtu =  $cgiparams{'MTU'};
-        if ($tunmtu eq '') {$tunmtu = '1500'} else {$tunmtu = $cgiparams{'MTU'}};
-   
+        my $tunmtu =  '';
+           
 unless(-d "${General::swroot}/ovpn/n2nconf/"){mkdir "${General::swroot}/ovpn/n2nconf", 0755 or die "Unable to create dir $!";}
 unless(-d "${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}"){mkdir "${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}", 0770 or die "Unable to create dir $!";}
   
   open(CLIENTCONF,    ">${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}/$cgiparams{'NAME'}.conf") or die "Unable to open ${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}/$cgiparams{'NAME'}.conf: $!";
   
   flock CLIENTCONF, 2;
-  print CLIENTCONF "# rewritten n2n Open VPN Client Config by ummeegge und m.a.d\n";
+  print CLIENTCONF "# IPFire rewritten n2n Open VPN Client Config by ummeegge und m.a.d\n";
   print CLIENTCONF "#\n"; 
-  print CLIENTCONF "# User Sicherheit\n";
+  print CLIENTCONF "# User Security\n";
   print CLIENTCONF "user nobody\n";
   print CLIENTCONF "group nobody\n";
   print CLIENTCONF "persist-tun\n";
   print CLIENTCONF "persist-key\n";
-  print CLIENTCONF "#\n";
-  print CLIENTCONF "# IP/DNS fuer das Server Gateway - g2g Mode\n"; 
+  print CLIENTCONF "script-security 2\n";
+  print CLIENTCONF "# IP/DNS for remote Server Gateway\n"; 
   print CLIENTCONF "remote $cgiparams{'REMOTE'}\n";
-  print CLIENTCONF "#\n"; 
-  print CLIENTCONF "# IP Adressen des VPN Tunnels\n"; 
+  print CLIENTCONF "float\n";
+  print CLIENTCONF "# IP adresses of the VPN Subnet\n"; 
   print CLIENTCONF "ifconfig $ovsubnet.2 $ovsubnet.1\n"; 
-  print CLIENTCONF "#\n"; 
-  print CLIENTCONF "# Netzwerk auf dem Server Gateway\n"; 
-  print CLIENTCONF "route @remsubnet[0]/@remsubnet[1]\n"; 
-  print CLIENTCONF "# Device fuer den Tunnel\n"; 
+  print CLIENTCONF "# Server Gateway Network\n"; 
+  print CLIENTCONF "route @remsubnet[0] @remsubnet[1]\n"; 
+  print CLIENTCONF "# tun Device\n"; 
   print CLIENTCONF "dev tun\n"; 
-  print CLIENTCONF "#\n"; 
-  print CLIENTCONF "#Port und Protokoll\n"; 
+  print CLIENTCONF "# Port and Protokol\n"; 
   print CLIENTCONF "port $cgiparams{'DEST_PORT'}\n"; 
-  print CLIENTCONF "proto $cgiparams{'PROTOCOL'}\n"; 
-  print CLIENTCONF "#\n"; 
-  print CLIENTCONF "# Paketgroessen\n"; 
-  print CLIENTCONF "tun-mtu $tunmtu\n"; 
-  print CLIENTCONF "fragment 1300\n"; 
-  print CLIENTCONF "mssfix\n"; 
-  print CLIENTCONF "#\n"; 
+
+  if ($cgiparams{'PROTOCOL'} eq 'tcp') {
+  print CLIENTCONF "proto tcp-client\n";
+  print CLIENTCONF "# Packet size\n";
+  if ($cgiparams{'MTU'} eq '') {$tunmtu = '1400'} else {$tunmtu = $cgiparams{'MTU'}};
+  print CLIENTCONF "tun-mtu $tunmtu\n";
+  print CLIENTCONF "ns-cert-type server\n";
+  }
+  
+  if ($cgiparams{'PROTOCOL'} eq 'udp') {
+  print CLIENTCONF "proto udp\n"; 
+  print CLIENTCONF "# Paketsize\n";
+  if ($cgiparams{'MTU'} eq '') {$tunmtu = '1500'} else {$tunmtu = $cgiparams{'MTU'}};
+  print CLIENTCONF "tun-mtu $tunmtu\n";
+  if ($cgiparams{'FRAGMENT'} ne '')  {print CLIENTCONF "fragment $cgiparams{'FRAGMENT'}\n";}
+  if ($cgiparams{'MSSFIX'} eq 'on') {print CLIENTCONF "mssfix\n";}
+  }
+     
   print CLIENTCONF "# Auth. Client\n"; 
   print CLIENTCONF "tls-client\n"; 
-  print CLIENTCONF "#\n"; 
-  print CLIENTCONF "# Verschluesselung\n"; 
+  print CLIENTCONF "# Cipher\n"; 
   print CLIENTCONF "cipher AES-256-CBC\n"; 
   print CLIENTCONF "pkcs12 ${General::swroot}/ovpn/certs/$cgiparams{'NAME'}.p12\r\n";
-  print CLIENTCONF "#\n"; 
   if ($cgiparams{'COMPLZO'} eq 'on') {
-   print CLIENTCONF "# Kompression einschalten\n";
+   print CLIENTCONF "# Enable Compression\n";
    print CLIENTCONF "comp-lzo\r\n";
-   print CLIENTCONF "#\n";
-   }
-  print CLIENTCONF "#\n"; 
+     }
   print CLIENTCONF "# Debug Level\n"; 
   print CLIENTCONF "verb 3\n"; 
-  print CLIENTCONF "#\n"; 
-  print CLIENTCONF "# Tunnel Ueberwachung\n"; 
+  print CLIENTCONF "# Tunnel check\n"; 
   print CLIENTCONF "keepalive 10 60\n"; 
-  print CLIENTCONF "#\n";
-  print CLIENTCONF "# Als Daemon starten\n"; 
+  print CLIENTCONF "# Start as daemon\n"; 
   print CLIENTCONF "daemon $cgiparams{'NAME'}n2n\n";
   print CLIENTCONF "writepid /var/run/$cgiparams{'NAME'}n2n.pid\n"; 
-  print CLIENTCONF "#\n";
-  print CLIENTCONF "# Management Interface aktivieren\n"; 
+  print CLIENTCONF "# Activate Management Interface and Port\n"; 
   print CLIENTCONF "# management localhost 4711\n";
   close(CLIENTCONF);
 
 }
   
-###
-# m.a.d Save net2net config  end
-###
-
 ###
 ### Save main settings
 ###
@@ -1472,7 +1488,7 @@ END
 ###
 
 ###
-# m.a.d net2net Anpassung
+# m.a.d net2net
 ###
 
 }elsif ($cgiparams{'ACTION'} eq $Lang::tr{'toggle enable disable'}) {
@@ -1524,8 +1540,8 @@ END
     my $zippath = "$tempdir/";
 
 ###
-# m.a.d net2net DL Client Package
-###  
+# m.a.d net2net
+###
 
 if ($confighash{$cgiparams{'KEY'}}[3] eq 'net'){
         
@@ -1535,66 +1551,69 @@ if ($confighash{$cgiparams{'KEY'}}[3] eq 'net'){
         my @ovsubnettemp =  split(/\./,$confighash{$cgiparams{'KEY'}}[27]);
         my $ovsubnet =  "@ovsubnettemp[0].@ovsubnettemp[1].@ovsubnettemp[2]";
         my $tunmtu = ''; 
+        my @remsubnet = split(/\//,$confighash{$cgiparams{'KEY'}}[8]);
         
     open(CLIENTCONF, ">$tempdir/$clientovpn") or die "Unable to open tempfile: $!";
     flock CLIENTCONF, 2;
     
     my $zip = Archive::Zip->new();
-   print CLIENTCONF "# n2n Open VPN Client Config by ummeegge und m.a.d\n";
+   print CLIENTCONF "# IPFire n2n Open VPN Client Config by ummeegge und m.a.d\n";
    print CLIENTCONF "# \n";
-   print CLIENTCONF "# User Sicherheit\n";
+   print CLIENTCONF "# User Security\n";
    print CLIENTCONF "user nobody\n";
    print CLIENTCONF "group nobody\n";
    print CLIENTCONF "persist-tun\n";
    print CLIENTCONF "persist-key\n";
-   print CLIENTCONF "#\n";
-   print CLIENTCONF "# IP/DNS fuer das Server Gateway - g2g Mode\n"; 
+   print CLIENTCONF "script-security 2\n";
+   print CLIENTCONF "# IP/DNS for remote Server Gateway\n"; 
    print CLIENTCONF "remote $vpnsettings{'VPN_IP'}\n";
-   print CLIENTCONF "#\n"; 
-   print CLIENTCONF "# IP Adressen des VPN Tunnels\n"; 
+   print CLIENTCONF "float\n";
+   print CLIENTCONF "# IP adresses of the VPN Subnet\n"; 
    print CLIENTCONF "ifconfig $ovsubnet.2 $ovsubnet.1\n"; 
-   print CLIENTCONF "#\n"; 
-   print CLIENTCONF "# Netzwerk auf dem Server Gateway\n"; 
-   print CLIENTCONF "route $confighash{$cgiparams{'KEY'}}[8]\n";
-   print CLIENTCONF "# Device fuer den Tunnel\n"; 
+   print CLIENTCONF "# Server Gateway Network\n"; 
+   print CLIENTCONF "route $remsubnet[0] $remsubnet[1]\n";
+   print CLIENTCONF "# tun Device\n"; 
    print CLIENTCONF "dev $vpnsettings{'DDEVICE'}\n"; 
-   print CLIENTCONF "#\n"; 
-   print CLIENTCONF "#Port und Protokoll\n"; 
+   print CLIENTCONF "# Port and Protokoll\n"; 
    print CLIENTCONF "port $confighash{$cgiparams{'KEY'}}[29]\n"; 
-   print CLIENTCONF "proto $confighash{$cgiparams{'KEY'}}[28]\n"; 
-   print CLIENTCONF "#\n"; 
-   print CLIENTCONF "# Paketgroessen\n"; 
+   
+   if ($confighash{$cgiparams{'KEY'}}[28] eq 'tcp') {
+   print CLIENTCONF "proto tcp-client\n";
+   print CLIENTCONF "# Packet size\n";
+   if ($confighash{$cgiparams{'KEY'}}[31] eq '') {$tunmtu = '1400'} else {$tunmtu = $confighash{$cgiparams{'KEY'}}[31]};
+   print CLIENTCONF "tun-mtu $tunmtu\n";
+   print CLIENTCONF "ns-cert-type server\n";
+   }
+  
+   if ($confighash{$cgiparams{'KEY'}}[28] eq 'udp') {
+   print CLIENTCONF "proto udp\n"; 
+   print CLIENTCONF "# Paketsize\n";
    if ($confighash{$cgiparams{'KEY'}}[31] eq '') {$tunmtu = '1500'} else {$tunmtu = $confighash{$cgiparams{'KEY'}}[31]};
-   print CLIENTCONF "tun-mtu $tunmtu\n"; 
-   print CLIENTCONF "fragment 1300\n"; 
-   print CLIENTCONF "mssfix\n"; 
-   print CLIENTCONF "#\n"; 
+   print CLIENTCONF "tun-mtu $tunmtu\n";
+   if ($cgiparams{'FRAGMENT'} ne '')  {print CLIENTCONF "fragment $cgiparams{'FRAGMENT'}\n";}
+   if ($confighash{$cgiparams{'KEY'}}[23] eq 'on') {print CLIENTCONF "mssfix\n";}
+   }
+      
    print CLIENTCONF "# Auth. Client\n"; 
    print CLIENTCONF "tls-client\n"; 
-   print CLIENTCONF "#\n"; 
-   print CLIENTCONF "# Verschluesselung\n"; 
+   print CLIENTCONF "# Cipher\n"; 
    print CLIENTCONF "cipher AES-256-CBC\n"; 
     if ($confighash{$cgiparams{'KEY'}}[4] eq 'cert' && -f "${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1].p12") { 
         print CLIENTCONF "pkcs12 ${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1].p12\r\n";
      $zip->addFile( "${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1].p12", "$confighash{$cgiparams{'KEY'}}[1].p12") or die "Can't add file $confighash{$cgiparams{'KEY'}}[1].p12\n";
    } 
-   print CLIENTCONF "#\n"; 
     if ($confighash{$cgiparams{'KEY'}}[30] eq 'on') {
-   print CLIENTCONF "# Kompression einschalten\n";
+   print CLIENTCONF "# Enable Compression\n";
    print CLIENTCONF "comp-lzo\r\n";
-   print CLIENTCONF "#\n";
-   }
+     }
    print CLIENTCONF "# Debug Level\n"; 
    print CLIENTCONF "verb 3\n"; 
-   print CLIENTCONF "#\n"; 
-   print CLIENTCONF "# Tunnel Ueberwachung\n"; 
+   print CLIENTCONF "# Tunnel check\n"; 
    print CLIENTCONF "keepalive 10 60\n"; 
-   print CLIENTCONF "#\n";
-   print CLIENTCONF "# Als Daemon starten\n"; 
+   print CLIENTCONF "# Start as daemon\n"; 
    print CLIENTCONF "daemon $confighash{$cgiparams{'KEY'}}[1]n2n\n"; 
    print CLIENTCONF "writepid /var/run/$confighash{$cgiparams{'KEY'}}[1]n2n.pid\n"; 
-   print CLIENTCONF "#\n";
-   print CLIENTCONF "# Management Interface aktivieren\n"; 
+   print CLIENTCONF "# Activate Management Interface and Port\n"; 
    print CLIENTCONF "# management localhost 4711\n";
    print CLIENTCONF "# remsub $confighash{$cgiparams{'KEY'}}[11]\n";
   
@@ -1618,7 +1637,7 @@ else
         $clientovpn = "$confighash{$cgiparams{'KEY'}}[1]-TO-IPFire.ovpn";
 
 ###
-# m.a.d net2net DL Client Package end
+# m.a.d net2net
 ###
   
     open(CLIENTCONF, ">$tempdir/$clientovpn") or die "Unable to open tempfile: $!";
@@ -1708,8 +1727,9 @@ else
        my $temp = `/usr/bin/openssl ca -revoke ${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1]cert.pem -config ${General::swroot}/ovpn/openssl/ovpn.cnf`;
 
 ###
-# m.a.d net2net Anpassung
+# m.a.d net2net
 ###
+
  if ($confighash{$cgiparams{'KEY'}}[3] eq 'net') {
 
        my $conffile = glob("${General::swroot}/ovpn/n2nconf/$confighash{$cgiparams{'KEY'}}[1]/$confighash{$cgiparams{'KEY'}}[1].conf");
@@ -1719,9 +1739,6 @@ else
   rmdir ("${General::swroot}/ovpn/n2nconf/$confighash{$cgiparams{'KEY'}}[1]") || die "Kann Verzeichnis nicht loeschen: $!";
   
 }
-###
-# m.a.d net2net Anpassung end
-###
 
   unlink ("${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1]cert.pem");
        unlink ("${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1].p12");
@@ -1900,8 +1917,8 @@ ADV_ERROR:
        <tr>
          <td class='base'>fragment <br></td>
          <td><input type='TEXT' name='FRAGMENT' value='$cgiparams{'FRAGMENT'}' size='10' /></td>
-         <td>Default: <span class="base">1300</span></td>
-         </tr>
+        <td>Default: <span class="base">1300</span></td>
+      </tr>
        <tr>
          <td class='base'>mssfix</td>
          <td><input type='checkbox' name='MSSFIX' $checked{'MSSFIX'}{'on'} /></td>
@@ -2161,7 +2178,7 @@ END
 ###
 
 ###
-# m.a.d Anpassung wegen upload n2n Package
+# m.a.d net2net
 ###
 
 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'add'} && $cgiparams{'TYPE'} eq '') {
@@ -2170,6 +2187,9 @@ END
        &Header::openpage($Lang::tr{'vpn configuration main'}, 1, '');
        &Header::openbigbox('100%', 'LEFT', '', '');
        &Header::openbox('100%', 'LEFT', $Lang::tr{'connection type'});
+
+if ( -s "${General::swroot}/ovpn/settings") {
+
        print <<END
            <b>$Lang::tr{'connection type'}:</b><br />
            <table><form method='post' ENCTYPE="multipart/form-data">
@@ -2185,13 +2205,25 @@ END
 END
        ;
 
+} else {
+       print <<END
+                   <b>$Lang::tr{'connection type'}:</b><br />
+           <table><form method='post' ENCTYPE="multipart/form-data">
+           <tr><td><input type='radio' name='TYPE' value='host' checked /></td> <td class='base'>$Lang::tr{'host to net vpn'}</td></tr>
+           <tr><td align='center'><input type='submit' name='ACTION' value='$Lang::tr{'add'}' /></td></tr>
+           </form></table>
+END
+       ;
+
+}
+
        &Header::closebox();
        &Header::closebigbox();
        &Header::closepage();
        exit (0);
 
 ###
-# m.a.d uploading a IPFire n2n Client package
+# m.a.d net2net
 ###
 
 }  elsif (($cgiparams{'ACTION'} eq $Lang::tr{'add'}) && ($cgiparams{'TYPE'} eq 'net2net')){
@@ -2200,7 +2232,6 @@ END
        my @confdetails;
        my $uplconffilename ='';
        my $uplp12name = '';
-       my $complzoactive ='';
        my @rem_subnet;
        my @rem_subnet2;
        my @tmposupnet3;        
@@ -2265,15 +2296,15 @@ END
                goto N2N_ERROR;
        }
 
-###    
-# m.a.d prepare imported ipfire net2net data
+###
+# m.a.d net2net
 ###
 
  my @n2nname = split(/\./,$uplconffilename);
     $n2nname[0] =~ s/\n|\r//g;
 
-    if ( !-d "${General::swroot}/ovpn/n2nconf/$n2nname[0]") { 
-      mkdir("${General::swroot}/ovpn/n2nconf/$n2nname[0]", 0770); } 
+    unless(-d "${General::swroot}/ovpn/n2nconf/"){mkdir "${General::swroot}/ovpn/n2nconf", 0755 or die "Unable to create dir $!";}
+    unless(-d "${General::swroot}/ovpn/n2nconf/$n2nname[0]"){mkdir "${General::swroot}/ovpn/n2nconf/$n2nname[0]", 0770 or die "Unable to create dir $!";}   
 
        move("$tempdir/$uplconffilename", "${General::swroot}/ovpn/n2nconf/$n2nname[0]/$uplconffilename");
 
@@ -2284,6 +2315,8 @@ END
        }
        
        move("$tempdir/$uplp12name", "${General::swroot}/ovpn/certs/$uplp12name");
+       chmod 0600, "${General::swroot}/ovpn/certs/$uplp12name";
+       
        if ($? ne 0) {
            $errormessage = "$Lang::tr{'certificate file move failed'}: $!";
            unlink ($filename);
@@ -2291,43 +2324,44 @@ END
        }       
        
 my $complzoactive;
-#my @n2nroute = split(/ /, (grep { /^route/ } @firen2nconf)[0]);
-my @n2nproto = split(/ /, (grep { /^proto/ } @firen2nconf)[0]);
+my $mssfixactive;
+my $n2nfragment;
+my @n2nproto2 = split(/ /, (grep { /^proto/ } @firen2nconf)[0]);
+my @n2nproto = split(/-/, @n2nproto2[1]);
 my @n2nport = split(/ /, (grep { /^port/ } @firen2nconf)[0]);
 my @n2ntunmtu = split(/ /, (grep { /^tun-mtu/ } @firen2nconf)[0]);
 my @n2ncomplzo = grep { /^comp-lzo/ } @firen2nconf;
 if ($n2ncomplzo[0] =~ /comp-lzo/){$complzoactive = "on";} else {$complzoactive = "off";}       
+my @n2nmssfix  = grep { /^mssfix/ } @firen2nconf;
+if ($n2nmssfix[0] =~ /mssfix/){$mssfixactive = "on";} else {$mssfixactive = "off";}
+my @n2nfragment = split(/ /, (grep { /^fragment/ } @firen2nconf)[0]);
 my @n2nremote = split(/ /, (grep { /^remote/ } @firen2nconf)[0]);
 my @n2novpnsuball = split(/ /, (grep { /^ifconfig/ } @firen2nconf)[0]);
 my @n2novpnsub =  split(/\./,$n2novpnsuball[1]);
 my @n2nremsub = split(/ /, (grep { /^route/ } @firen2nconf)[0]);
 my @n2nlocalsub  = split(/ /, (grep { /^# remsub/ } @firen2nconf)[0]);
 
-#      $errormessage = &Ovpnfunc::ovelapplausi("$tmposupnet3[0].$tmposupnet3[1].$tmposupnet3[2].0","255.255.255.0");
-#      if ($errormessage ne ''){
-#              goto N2N_ERROR;
-#      }
 
 ###
 # m.a.d delete CR and LF from arrays for this chomp doesnt work
 ###
 
-#$n2nroute[1] =~ s/\n|\r//g;
 $n2nremote[1] =~ s/\n|\r//g;
-#$n2nroute[1] =~ s/\n|\r//g;
-#$n2nroute[2] =~ s/\n|\r//g;
 $n2novpnsub[0] =~ s/\n|\r//g;
 $n2novpnsub[1] =~ s/\n|\r//g;
 $n2novpnsub[2] =~ s/\n|\r//g;
-$n2nproto[1] =~ s/\n|\r//g;
+$n2nproto[0] =~ s/\n|\r//g;
 $n2nport[1] =~ s/\n|\r//g;
 $n2ntunmtu[1] =~ s/\n|\r//g;
 $n2nremsub[1] =~ s/\n|\r//g;
+$n2nremsub[2] =~ s/\n|\r//g;
 $n2nlocalsub[2] =~ s/\n|\r//g;
+$n2nfragment[1] =~ s/\n|\r//g;
 chomp ($complzoactive);
+chomp ($mssfixactive);
 
 ###
-# m.a.d Write n2n config
+# m.a.d net2net
 ###
 
 ###
@@ -2337,10 +2371,43 @@ chomp ($complzoactive);
        foreach my $dkey (keys %confighash) {
                if ($confighash{$dkey}[1] eq $n2nname[0]) {
                        $errormessage = $Lang::tr{'a connection with this name already exists'};
+                       unlink ("${General::swroot}/ovpn/n2nconf/$n2nname[0]/$n2nname[0].conf") or die "Removing Configfile fail: $!";
+           unlink ("${General::swroot}/ovpn/certs/$n2nname[0].p12") or die "Removing Certfile fail: $!";
+      rmdir ("${General::swroot}/ovpn/n2nconf/$n2nname[0]") || die "Removing Directory fail: $!";
+                       goto N2N_ERROR;                 
+               }
+       }
+
+###
+# Check if OpenVPN Subnet is valid
+###
+
+foreach my $dkey (keys %confighash) {
+               if ($confighash{$dkey}[27] eq "$n2novpnsub[0].$n2novpnsub[1].$n2novpnsub[2].0/255.255.255.0") {
+                       $errormessage = 'The OpenVPN Subnet is already in use';
+                       unlink ("${General::swroot}/ovpn/n2nconf/$n2nname[0]/$n2nname[0].conf") or die "Removing Configfile fail: $!";
+           unlink ("${General::swroot}/ovpn/certs/$n2nname[0].p12") or die "Removing Certfile fail: $!";
+      rmdir ("${General::swroot}/ovpn/n2nconf/$n2nname[0]") || die "Removing Directory fail: $!";
                        goto N2N_ERROR;                 
                }
        }
 
+###
+# Check im Dest Port is vaild
+###
+
+foreach my $dkey (keys %confighash) {
+               if ($confighash{$dkey}[29] eq $n2nport[1] ) {
+                       $errormessage = 'The OpenVPN Port is already in use';
+                       unlink ("${General::swroot}/ovpn/n2nconf/$n2nname[0]/$n2nname[0].conf") or die "Removing Configfile fail: $!";
+           unlink ("${General::swroot}/ovpn/certs/$n2nname[0].p12") or die "Removing Certfile fail: $!";
+      rmdir ("${General::swroot}/ovpn/n2nconf/$n2nname[0]") || die "Removing Directory fail: $!";
+                       goto N2N_ERROR;                 
+               }
+       }
+       
+       
+       
   $key = &General::findhasharraykey (\%confighash);
 
        foreach my $i (0 .. 31) { $confighash{$key}[$i] = "";}
@@ -2352,17 +2419,20 @@ chomp ($complzoactive);
        $confighash{$key}[6] = 'client';                
        $confighash{$key}[8] =  $n2nlocalsub[2];
   $confighash{$key}[10] = $n2nremote[1];
-  $confighash{$key}[11] = $n2nremsub[1];               
-       $confighash{$key}[25] = 'IPFire n2n Client';
+  $confighash{$key}[11] = "$n2nremsub[1]/$n2nremsub[2]";               
+       $confighash{$key}[23] = $mssfixactive;
+       $confighash{$key}[24] = $n2nfragment[1];
+  $confighash{$key}[25] = 'IPFire n2n Client';
        $confighash{$key}[26] = 'red';
   $confighash{$key}[27] = "$n2novpnsub[0].$n2novpnsub[1].$n2novpnsub[2].0/255.255.255.0";
-  $confighash{$key}[28] = $n2nproto[1];
+  $confighash{$key}[28] = $n2nproto[0];
   $confighash{$key}[29] = $n2nport[1];
   $confighash{$key}[30] = $complzoactive;
   $confighash{$key}[31] = $n2ntunmtu[1];
 
 
   &General::writehasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
   N2N_ERROR:
                
        &Header::showhttpheaders();
@@ -2393,6 +2463,8 @@ chomp ($complzoactive);
                <tr><td class='boldbase' nowrap='nowrap'>$Lang::tr{'protocol'}</td><td><b>$confighash{$key}[28]</b></td></tr>
                <tr><td class='boldbase' nowrap='nowrap'>$Lang::tr{'destination port'}:</td><td><b>$confighash{$key}[29]</b></td></tr>
                <tr><td class='boldbase' nowrap='nowrap'>$Lang::tr{'comp-lzo'}</td><td><b>$confighash{$key}[30]</b></td></tr>
+               <tr><td class='boldbase' nowrap='nowrap'>MSSFIX </td><td><b>$confighash{$key}[23]</b></td></tr>
+               <tr><td class='boldbase' nowrap='nowrap'>Fragment </td><td><b>$confighash{$key}[24]</b></td></tr>
                <tr><td class='boldbase' nowrap='nowrap'>$Lang::tr{'MTU'}</td><td><b>$confighash{$key}[31]</b></td></tr>
                <tr><td>&nbsp;</td><td>&nbsp;</td></tr> 
     </table>
@@ -2444,7 +2516,7 @@ if ($confighash{$cgiparams{'KEY'}}) {
     
 
 ###
-# m.a.d end uploading a IPFire n2n Client package
+# m.a.d net2net
 ###
 
 
@@ -2473,6 +2545,9 @@ if ($confighash{$cgiparams{'KEY'}}) {
        $cgiparams{'LOCAL_SUBNET'} = $confighash{$cgiparams{'KEY'}}[8];
   $cgiparams{'REMOTE'} = $confighash{$cgiparams{'KEY'}}[10];
   $cgiparams{'REMOTE_SUBNET'} = $confighash{$cgiparams{'KEY'}}[11];
+# n2n m.a.d new fields
+  $cgiparams{'MSSFIX'} = $confighash{$cgiparams{'KEY'}}[23];
+  $cgiparams{'FRAGMENT'} = $confighash{$cgiparams{'KEY'}}[24];
        $cgiparams{'REMARK'}    = $confighash{$cgiparams{'KEY'}}[25];
        $cgiparams{'INTERFACE'} = $confighash{$cgiparams{'KEY'}}[26];
 #new fields    
@@ -2481,31 +2556,106 @@ if ($confighash{$cgiparams{'KEY'}}) {
        $cgiparams{'DEST_PORT'}   = $confighash{$cgiparams{'KEY'}}[29];
        $cgiparams{'COMPLZO'}     = $confighash{$cgiparams{'KEY'}}[30];
        $cgiparams{'MTU'}         = $confighash{$cgiparams{'KEY'}}[31];
+
 #new fields
 #ab hiere error uebernehmen
+
     } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'save'}) {
        $cgiparams{'REMARK'} = &Header::cleanhtml($cgiparams{'REMARK'});
-       if ($cgiparams{'TYPE'} !~ /^(host|net)$/) {
+       
+  if ($cgiparams{'TYPE'} !~ /^(host|net)$/) {
            $errormessage = $Lang::tr{'connection type is invalid'};
+           if ($cgiparams{'TYPE'} eq 'net') {
+      unlink ("${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}/$cgiparams{'NAME'}.conf") or die "Removing Configfile fail: $!";
+           rmdir ("${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}") || die "Removing Directory fail: $!";
+      }
            goto VPNCONF_ERROR;
        }
 
 
        if ($cgiparams{'NAME'} !~ /^[a-zA-Z0-9]+$/) {
            $errormessage = $Lang::tr{'name must only contain characters'};
-           goto VPNCONF_ERROR;
-       }
+      if ($cgiparams{'TYPE'} eq 'net') {
+      unlink ("${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}/$cgiparams{'NAME'}.conf") or die "Removing Configfile fail: $!";
+           rmdir ("${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}") || die "Removing Directory fail: $!";
+      }
+      goto VPNCONF_ERROR;
+  }
 
        if ($cgiparams{'NAME'} =~ /^(host|01|block|private|clear|packetdefault)$/) {
            $errormessage = $Lang::tr{'name is invalid'};
+           if ($cgiparams{'TYPE'} eq 'net') {
+      unlink ("${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}/$cgiparams{'NAME'}.conf") or die "Removing Configfile fail: $!";
+           rmdir ("${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}") || die "Removing Directory fail: $!";
+      }
            goto VPNCONF_ERROR;
        }
 
        if (length($cgiparams{'NAME'}) >60) {
            $errormessage = $Lang::tr{'name too long'};
+           if ($cgiparams{'TYPE'} eq 'net') {
+      unlink ("${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}/$cgiparams{'NAME'}.conf") or die "Removing Configfile fail: $!";
+           rmdir ("${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}") || die "Removing Directory fail: $!";
+      }
            goto VPNCONF_ERROR;
        }
 
+###
+# m.a.d net2net
+###
+
+if ($cgiparams{'TYPE'} eq 'net') {
+               
+    if ($cgiparams{'DEST_PORT'} eq  $vpnsettings{'DDEST_PORT'}) {
+                       $errormessage = $Lang::tr{'openvpn destination port used'};
+                       unlink ("${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}/$cgiparams{'NAME'}.conf") or die "Removing Configfile fail: $!";
+           rmdir ("${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}") || die "Removing Directory fail: $!";
+      goto VPNCONF_ERROR;                      
+               }
+
+    if ($cgiparams{'OVPN_SUBNET'} eq  $vpnsettings{'DOVPN_SUBNET'}) {
+                       $errormessage = $Lang::tr{'openvpn subnet is used'};
+                       unlink ("${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}/$cgiparams{'NAME'}.conf") or die "Removing Configfile fail: $!";
+           rmdir ("${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}") || die "Removing Directory fail: $!";
+                       goto VPNCONF_ERROR;                     
+               }
+
+         if (($cgiparams{'PROTOCOL'} eq 'tcp') && ($cgiparams{'MSSFIX'} eq 'on')) {
+           $errormessage = $Lang::tr{'openvpn mssfix allowed with udp'};
+           unlink ("${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}/$cgiparams{'NAME'}.conf") or die "Removing Configfile fail: $!";
+           rmdir ("${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}") || die "Removing Directory fail: $!";
+           goto VPNCONF_ERROR;
+    }
+     
+    if (($cgiparams{'PROTOCOL'} eq 'tcp') && ($cgiparams{'FRAGMENT'} ne '')) {
+           $errormessage = $Lang::tr{'openvpn fragment allowed with udp'};
+           unlink ("${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}/$cgiparams{'NAME'}.conf") or die "Removing Configfile fail: $!";
+           rmdir ("${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}") || die "Removing Directory fail: $!";
+           goto VPNCONF_ERROR;
+    }
+
+    if ( &validdotmask ($cgiparams{'LOCAL_SUBNET'}))  {
+                 $errormessage = $Lang::tr{'openvpn prefix local subnet'};
+                 unlink ("${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}/$cgiparams{'NAME'}.conf") or die "Removing Configfile fail: $!";
+           rmdir ("${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}") || die "Removing Directory fail: $!";
+                 goto VPNCONF_ERROR;
+               } 
+    
+    if ( &validdotmask ($cgiparams{'OVPN_SUBNET'}))  {
+                 $errormessage = $Lang::tr{'openvpn prefix openvpn subnet'};
+                 unlink ("${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}/$cgiparams{'NAME'}.conf") or die "Removing Configfile fail: $!";
+           rmdir ("${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}") || die "Removing Directory fail: $!";
+                 goto VPNCONF_ERROR;
+               } 
+    
+    if ( &validdotmask ($cgiparams{'REMOTE_SUBNET'}))  {
+                 $errormessage = $Lang::tr{'openvpn prefix remote subnet'};
+                 unlink ("${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}/$cgiparams{'NAME'}.conf") or die "Removing Configfile fail: $!";
+           rmdir ("${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}") || die "Removing Directory fail: $!";
+                 goto VPNCONF_ERROR;
+               } 
+}
+
 #      if (($cgiparams{'TYPE'} eq 'net') && ($cgiparams{'SIDE'} !~ /^(left|right)$/)) {
 #          $errormessage = $Lang::tr{'ipfire side is invalid'};
 #          goto VPNCONF_ERROR;
@@ -2516,6 +2666,10 @@ if ($confighash{$cgiparams{'KEY'}}) {
            foreach my $key (keys %confighash) {
                if ($confighash{$key}[1] eq $cgiparams{'NAME'}) {
                    $errormessage = $Lang::tr{'a connection with this name already exists'};
+                   if ($cgiparams{'TYPE'} eq 'net') {
+        unlink ("${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}/$cgiparams{'NAME'}.conf") or die "Removing Configfile fail: $!";
+             rmdir ("${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}") || die "Removing Directory fail: $!";
+        }
                    goto VPNCONF_ERROR;
                }
            }
@@ -2523,6 +2677,10 @@ if ($confighash{$cgiparams{'KEY'}}) {
 
        if (($cgiparams{'TYPE'} eq 'net') && (! $cgiparams{'REMOTE'})) {
            $errormessage = $Lang::tr{'invalid input for remote host/ip'};
+           if ($cgiparams{'TYPE'} eq 'net') {
+      unlink ("${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}/$cgiparams{'NAME'}.conf") or die "Removing Configfile fail: $!";
+           rmdir ("${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}") || die "Removing Directory fail: $!";
+      }
            goto VPNCONF_ERROR;
        }
 
@@ -2530,10 +2688,17 @@ if ($confighash{$cgiparams{'KEY'}}) {
            if (! &General::validip($cgiparams{'REMOTE'})) {
                if (! &General::validfqdn ($cgiparams{'REMOTE'}))  {
                    $errormessage = $Lang::tr{'invalid input for remote host/ip'};
+                   if ($cgiparams{'TYPE'} eq 'net') {
+        unlink ("${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}/$cgiparams{'NAME'}.conf") or die "Removing Configfile fail: $!";
+             rmdir ("${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}") || die "Removing Directory fail: $!";
+        }
                    goto VPNCONF_ERROR;
                } else {
                    if (&valid_dns_host($cgiparams{'REMOTE'})) {
                        $warnmessage = "$Lang::tr{'check vpn lr'} $cgiparams{'REMOTE'}. $Lang::tr{'dns check failed'}";
+                       if ($cgiparams{'TYPE'} eq 'net') {
+
+      }
                    }
                }
            }
@@ -2541,6 +2706,10 @@ if ($confighash{$cgiparams{'KEY'}}) {
        if ($cgiparams{'TYPE'} ne 'host') {
             unless (&General::validipandmask($cgiparams{'LOCAL_SUBNET'})) {
                    $errormessage = $Lang::tr{'local subnet is invalid'}; 
+                   if ($cgiparams{'TYPE'} eq 'net') {
+              unlink ("${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}/$cgiparams{'NAME'}.conf") or die "Removing Configfile fail: $!";
+                   rmdir ("${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}") || die "Removing Directory fail: $!";
+              }
                        goto VPNCONF_ERROR;}
        }
        # Check if there is no other entry without IP-address and PSK
@@ -2556,7 +2725,9 @@ if ($confighash{$cgiparams{'KEY'}}) {
        }
        if (($cgiparams{'TYPE'} eq 'net') && (! &General::validipandmask($cgiparams{'REMOTE_SUBNET'}))) {
                 $errormessage = $Lang::tr{'remote subnet is invalid'};
-               goto VPNCONF_ERROR;
+                unlink ("${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}/$cgiparams{'NAME'}.conf") or die "Removing Configfile fail: $!";
+                     rmdir ("${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}") || die "Removing Directory fail: $!";
+               goto VPNCONF_ERROR;
        }
 
        if ($cgiparams{'ENABLED'} !~ /^(on|off)$/) {
@@ -2852,6 +3023,8 @@ if ($confighash{$cgiparams{'KEY'}}) {
        }
        $confighash{$key}[8] = $cgiparams{'LOCAL_SUBNET'};
        $confighash{$key}[10] = $cgiparams{'REMOTE'};
+  $confighash{$key}[23] = $cgiparams{'MSSFIX'};
+  $confighash{$key}[24] = $cgiparams{'FRAGMENT'};
        $confighash{$key}[25] = $cgiparams{'REMARK'};
        $confighash{$key}[26] = $cgiparams{'INTERFACE'};
 # new fields   
@@ -2862,6 +3035,33 @@ if ($confighash{$cgiparams{'KEY'}}) {
        $confighash{$key}[31] = $cgiparams{'MTU'};
 # new fileds   
        &General::writehasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
+
+###
+# m.a.d n2n begin
+###
+       
+       if ($cgiparams{'TYPE'} eq 'net') {
+       
+       if (-e "/var/run/$confighash{$key}[1]n2n.pid") {
+  system('/usr/local/bin/openvpnctrl', '-kn2n', $confighash{$cgiparams{'KEY'}}[1]);
+       
+  &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
+       my $key = $cgiparams{'KEY'};
+       if (! $key) {
+           $key = &General::findhasharraykey (\%confighash);
+           foreach my $i (0 .. 31) { $confighash{$key}[$i] = "";}
+           }
+  $confighash{$key}[0] = 'on';
+  &General::writehasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
+  
+  system('/usr/local/bin/openvpnctrl', '-sn2n', $confighash{$cgiparams{'KEY'}}[1]);
+        }          
+  }
+
+###
+# m.a.d n2n end
+###    
+
        if ($cgiparams{'EDIT_ADVANCED'} eq 'on') {
            $cgiparams{'KEY'} = $key;
            $cgiparams{'ACTION'} = $Lang::tr{'advanced'};
@@ -2903,6 +3103,11 @@ if ($confighash{$cgiparams{'KEY'}}) {
     $selected{'SIDE'}{'server'} = '';
     $selected{'SIDE'}{'client'} = '';
     $selected{'SIDE'}{$cgiparams{'SIDE'}} = 'SELECTED';
+    
+    $selected{'PROTOCOL'}{'udp'} = '';
+    $selected{'PROTOCOL'}{'tcp'} = '';
+    $selected{'PROTOCOL'}{$cgiparams{'PROTOCOL'}} = 'SELECTED';
+
 
     $checked{'AUTH'}{'psk'} = '';
     $checked{'AUTH'}{'certreq'} = '';
@@ -2916,6 +3121,10 @@ if ($confighash{$cgiparams{'KEY'}}) {
     $checked{'COMPLZO'}{'on'} = '';
     $checked{'COMPLZO'}{$cgiparams{'COMPLZO'}} = 'CHECKED';
 
+    $checked{'MSSFIX'}{'off'} = '';
+    $checked{'MSSFIX'}{'on'} = '';
+    $checked{'MSSFIX'}{$cgiparams{'MSSFIX'}} = 'CHECKED';
+
 
     if (1) {
        &Header::showhttpheaders();
@@ -2973,8 +3182,8 @@ if ($confighash{$cgiparams{'KEY'}}) {
                    <td width='25%'>&nbsp;</td>
                    <td width='25%'>&nbsp;</td></tr>
                <tr><td class='boldbase' nowrap='nowrap'>$Lang::tr{'Act as'}</td>
-                   <td><select name='SIDE'><option value='server' $selected{'SIDE'}{'server'}>OpenVPN Server</option>
-                                           <option value='client' $selected{'SIDE'}{'client'}>OpenVPN Client</option></select></td>
+                   <td><select name='SIDE'><option value='server' $selected{'SIDE'}{'server'}>$Lang::tr{'openvpn server'}</option>
+                                           <option value='client' $selected{'SIDE'}{'client'}>$Lang::tr{'openvpn client'}</option></select></td>
                    <td class='boldbase'>$Lang::tr{'remote host/ip'}:</td>
                    <td><input type='TEXT' name='REMOTE' value='$cgiparams{'REMOTE'}' /></td></tr>
                <tr><td class='boldbase' nowrap='nowrap'>$Lang::tr{'local subnet'}</td>
@@ -2984,19 +3193,29 @@ if ($confighash{$cgiparams{'KEY'}}) {
                <tr><td class='boldbase' nowrap='nowrap'>$Lang::tr{'ovpn subnet'}</td>
                    <td><input type='TEXT' name='OVPN_SUBNET' value='$cgiparams{'OVPN_SUBNET'}' /></td></tr>
                <tr><td class='boldbase' nowrap='nowrap'>$Lang::tr{'protocol'}</td>
-                   <td><select name='PROTOCOL'><option value='udp' $selected{'PROTOCOL'}{'udp'}>UDP</option>
-                                               <option value='tcp' $selected{'PROTOCOL'}{'tcp'}>TCP</option></select></td>
-                   <td class='boldbase'>$Lang::tr{'destination port'}:</td>
+                
+     <td><select name='PROTOCOL'><option value='udp' $selected{'PROTOCOL'}{'udp'}>UDP</option>
+                                               <option value='tcp' $selected{'PROTOCOL'}{'tcp'}>TCP</option></select></td>   
+                   
+        <td class='boldbase'>$Lang::tr{'destination port'}:</td>
                    <td><input type='TEXT' name='DEST_PORT' value='$cgiparams{'DEST_PORT'}' size='5' /></td></tr>
-               <tr><td class='boldbase' nowrap='nowrap'>$Lang::tr{'comp-lzo'}</td>
+               <tr><td class='boldbase' nowrap='nowrap'>$Lang::tr{'comp-lzo'} &nbsp;<img src='/blob.gif'</td>
                    <td><input type='checkbox' name='COMPLZO' $checked{'COMPLZO'}{'on'} /></td>
+                   
+                     <tr><td class='boldbase' nowrap='nowrap'>mssfix &nbsp;<img src='/blob.gif' /></td>
+                   <td><input type='checkbox' name='MSSFIX' $checked{'MSSFIX'}{'on'} /></td>
+                   
+                     <tr><td class='boldbase' nowrap='nowrap'>fragment &nbsp;<img src='/blob.gif' /></td>
+                   <td><input type='TEXT' name='FRAGMENT' VALUE='$cgiparams{'FRAGMENT'}'size='5' /></td>
+                   <td>$Lang::tr{'openvpn default'}: <span class="base">1300</span></td>
+                   
                <tr><td class='boldbase' nowrap='nowrap'>$Lang::tr{'MTU'}&nbsp;<img src='/blob.gif' /></td>
                    <td> <input type='TEXT' name='MTU' VALUE='$cgiparams{'MTU'}'size='5' /></TD>
-                                   
 
 END
            ;
        }
+
        print "<tr><td class='boldbase'>$Lang::tr{'remark title'}&nbsp;<img src='/blob.gif' /></td>";
        print "<td colspan='3'><input type='text' name='REMARK' value='$cgiparams{'REMARK'}' size='55' maxlength='50' /></td></tr>";
        
@@ -3057,7 +3276,7 @@ END
 ;
 
 ###
-# m.a.d  Disbale upload cert for n2n connections
+# m.a.d net2net
 ###
 
 } else {
@@ -3080,7 +3299,7 @@ END
 }
 
 ###
-# m.a.d  Disbale upload cert for n2n connections end
+# m.a.d net2net
 ###
 
            foreach my $country (sort keys %{Countries::countries}) {
@@ -3091,7 +3310,7 @@ END
                print ">$country</option>";
            }
 ###
-# m.a.d  Disbale pkcs-password for n2n connections
+# m.a.d net2net
 ###
 
 if ($cgiparams{'TYPE'} eq 'host') {
@@ -3118,7 +3337,7 @@ END
 }
 
 ###
-# m.a.d  Disbale pkcs-password for n2n connections end
+# m.a.d net2net
 ###
            ;
            &Header::closebox();
@@ -3211,7 +3430,10 @@ END
     $checked{'DCOMPLZO'}{'off'} = '';
     $checked{'DCOMPLZO'}{'on'} = '';
     $checked{'DCOMPLZO'}{$cgiparams{'DCOMPLZO'}} = 'CHECKED';
-
+# m.a.d
+    $checked{'MSSFIX'}{'off'} = '';
+    $checked{'MSSFIX'}{'on'} = '';
+    $checked{'MSSFIX'}{$cgiparams{'MSSFIX'}} = 'CHECKED';
 #new settings
     &Header::showhttpheaders();
     &Header::openpage($Lang::tr{'status ovpn'}, 1, '');
@@ -3460,7 +3682,7 @@ END
     if ( -f "${General::swroot}/ovpn/ca/cacert.pem" ) {
 
 ###
-# m.a.d Client Status Table
+# m.a.d net2net
 ###
 
     &Header::openbox('100%', 'LEFT', $Lang::tr{'Client status and controlc' });
@@ -3505,19 +3727,36 @@ END
        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>";
 
        if ($confighash{$key}[0] eq 'off') {
-           $active = "<table cellpadding='2' cellspacing='0' bgcolor='${Header::colourblue}' width='100%'><tr><td align='center'><b><font color='#FFFFFF'>$Lang::tr{'capsclosed'}</font></b></td></tr></table>";
+           $active = "<table cellpadding='2' cellspacing='0' bgcolor='${Header::colourblue}' width='100%'><tr><td align='center'><b><font color='#FFFFFF'>$Lang::tr{'openvpn disabled'}</font></b></td></tr></table>";
        } else {
 
 ###
-# m.a.d net2net Status
-###                
-
-  if ($confighash{$cgiparams{'KEY'}}[3] eq 'host'){
-
-           my $cn;
-       my @match = (); 
-           foreach my $line (@status) {
+# m.a.d net2net
+###       
+       
+       if ($confighash{$key}[3] eq 'net') {
+#        my @tempovpnsubnet = split("\/",$confighash{$key}[27]);
+#                       my @ovpnip = split /\./,$tempovpnsubnet[0];
+#                         my $pingip = "";
+#               if ($confighash{$key}[6] eq 'server') {
+#                               $pingip = "$ovpnip[0].$ovpnip[1].$ovpnip[2].2";
+#                               } else {
+#                               $pingip = "$ovpnip[0].$ovpnip[1].$ovpnip[2].1";
+#                               }
+#        my $p = Net::Ping->new("udp",1);
+#        if ($p->ping($pingip)) {
+#                         $active = "<table cellpadding='2' cellspacing='0' bgcolor='${Header::colourgreen}' width='100%'><tr><td align='center'><b><font color='#FFFFFF'>$Lang::tr{'capsopen'}</font></b></td></tr></table>";
+#                         }    
+#                         $p->close(); 
+
+       if (-e "/var/run/$confighash{$key}[1]n2n.pid") {
+       $active = "<table cellpadding='2' cellspacing='0' bgcolor='${Header::colourgreen}' width='100%'><tr><td align='center'><b><font color='#FFFFFF'>$Lang::tr{'openvpn enabled'}</font></b></td></tr></table>";
+       } 
+    }  
 
+               my $cn;
+           my @match = ();     
+         foreach my $line (@status) {
                chomp($line);
                if ( $line =~ /^(.+),(\d+\.\d+\.\d+\.\d+\:\d+),(\d+),(\d+),(.+)/) {
                    @match = split(m/^(.+),(\d+\.\d+\.\d+\.\d+\:\d+),(\d+),(\d+),(.+)/, $line);
@@ -3526,34 +3765,13 @@ END
                    }       
                $cn =~ s/[_]/ /g;
                    if ($cn eq "$confighash{$key}[2]") {
-                       $active = "<table cellpadding='2' cellspacing='0' bgcolor='${Header::colourblue}' width='100%'><tr><td align='center'><b><font color='#FFFFFF'>$Lang::tr{'capsclosed'}</font></b></td></tr></table>";
+                       $active = "<table cellpadding='2' cellspacing='0' bgcolor='${Header::colourgreen}' width='100%'><tr><td align='center'><b><font color='#FFFFFF'>$Lang::tr{'capsopen'}</font></b></td></tr></table>";
                    }
-                }   
-    }
-     } else {
-       my @tempovpnsubnet = split("\/",$confighash{$key}[27]);
-                        my @ovpnip = split /\./,$tempovpnsubnet[0];
-                        my $pingip = "";
-                       
-               if ($confighash{$key}[6] eq 'server') {
-                                               $pingip = "$ovpnip[0].$ovpnip[1].$ovpnip[2].2";
-                                       } else {
-                                               $pingip = "$ovpnip[0].$ovpnip[1].$ovpnip[2].1";
-                                       }
-                               
-         my $p = Net::Ping->new("udp",1);
-                               
-         if ($p->ping($pingip)) {
-                          $active = "<table cellpadding='2' cellspacing='0' bgcolor='${Header::colourgreen}' width='100%'><tr><td align='center'><b><font color='#FFFFFF'>$Lang::tr{'capsopen'}</font></b></td></tr></table>";
-                          }    
-                          $p->close(); 
+
       
-       }       
        }
-
-###
-# m.a.d net2net Status end
-###    
+}
+}
 
 
        my $disable_clientdl = "disabled='disabled'";