]> git.ipfire.org Git - people/teissler/ipfire-2.x.git/blobdiff - html/cgi-bin/ovpnmain.cgi
ovpnmain.cgi: Set mtu-disc to off if not configured.
[people/teissler/ipfire-2.x.git] / html / cgi-bin / ovpnmain.cgi
old mode 100755 (executable)
new mode 100644 (file)
index 038adb1..8622f6d
@@ -2,7 +2,7 @@
 ###############################################################################
 #                                                                             #
 # IPFire.org - A linux based firewall                                         #
-# Copyright (C) 2007-2011  IPFire Team  <info@ipfire.org>                     #
+# Copyright (C) 2007-2013  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        #
@@ -64,6 +64,10 @@ my $warnmessage = '';
 my $errormessage = '';
 my %settings=();
 my $routes_push_file = '';
+my $confighost="${General::swroot}/fwhosts/customhosts";
+my $configgrp="${General::swroot}/fwhosts/customgroups";
+my $customnet="${General::swroot}/fwhosts/customnetworks";
+my $name;
 &General::readhash("${General::swroot}/ethernet/settings", \%netsettings);
 $cgiparams{'ENABLED'} = 'off';
 $cgiparams{'ENABLED_BLUE'} = 'off';
@@ -356,7 +360,9 @@ sub writeserverconf {
        { print CONF "$sovpnsettings{'DDEVICE'}-mtu 1500\n"; }
     elsif ($sovpnsettings{'FRAGMENT'} ne '' && $sovpnsettings{'DPROTOCOL'} ne 'tcp') 
        { print CONF "$sovpnsettings{'DDEVICE'}-mtu 1500\n"; }
-    elsif (($sovpnsettings{'PMTU_DISCOVERY'} ne 'off') || ($sovpnsettings{'PMTU_DISCOVERY'} ne ''))
+    elsif (($sovpnsettings{'PMTU_DISCOVERY'} eq 'yes') ||
+          ($sovpnsettings{'PMTU_DISCOVERY'} eq 'maybe') ||
+          ($sovpnsettings{'PMTU_DISCOVERY'} eq 'no' ))
        { print CONF "$sovpnsettings{'DDEVICE'}-mtu 1500\n"; } 
     else 
        { print CONF "$sovpnsettings{'DDEVICE'}-mtu $sovpnsettings{'DMTU'}\n"; }
@@ -397,8 +403,11 @@ sub writeserverconf {
        print CONF "fragment $sovpnsettings{'FRAGMENT'}\n";   
     }
 
-    if (($sovpnsettings{PMTU_DISCOVERY} ne 'off') || ($sovpnsettings{'PMTU_DISCOVERY'} ne '')) {
-       print CONF "mtu-disc $sovpnsettings{'PMTU_DISCOVERY'}\n";
+    # Check if a valid operating mode has been choosen and use it.
+    if (($sovpnsettings{'PMTU_DISCOVERY'} eq 'yes') ||
+       ($sovpnsettings{'PMTU_DISCOVERY'} eq 'maybe') ||
+       ($sovpnsettings{'PMTU_DISCOVERY'} eq 'no' )) {
+               print CONF "mtu-disc $sovpnsettings{'PMTU_DISCOVERY'}\n";
     }
 
     if ($sovpnsettings{KEEPALIVE_1} > 0 && $sovpnsettings{KEEPALIVE_2} > 0) {  
@@ -488,49 +497,42 @@ sub addccdnet
        my @ccdconf=();
        my $ccdname=$_[0];
        my $ccdnet=$_[1];
-       my $ovpnsubnet=$_[2];
        my $subcidr;
        my @ip2=();
        my $checkup;
        my $ccdip;
        my $baseaddress;
-       if(!&General::validhostname($ccdname)){
+       
+       
+       #check name     
+       if ($ccdname eq '') 
+       {
+               $errormessage=$errormessage.$Lang::tr{'ccd err name'}."<br>";
+               return
+       }
+       
+       if(!&General::validhostname($ccdname))
+       {
                $errormessage=$Lang::tr{'ccd err invalidname'};
                return;
        }
-       #check ip
-       if (&General::validipandmask($ccdnet)){
-                       $ccdnet=&General::iporsubtocidr($ccdnet);       
-       }else{
+               
+       ($ccdip,$subcidr) = split (/\//,$ccdnet);
+       $subcidr=&General::iporsubtocidr($subcidr);
+       #check subnet
+       if ($subcidr > 30)
+       {
                $errormessage=$Lang::tr{'ccd err invalidnet'};
                return;
        }
-       ($ccdip,$subcidr) = split (/\//,$ccdnet);
-       if ($ccdname eq '') {
-               $errormessage=$errormessage.$Lang::tr{'ccd err name'}."<br>";
-       }
-       #check if we try to use same network as ovpn server
-       if (&General::iporsubtocidr($ccdnet) eq &General::iporsubtocidr($ovpnsubnet)) {
-                       $errormessage=$errormessage.$Lang::tr{'ccd err isovpnnet'}."<br>";
-       }
-               
-       #check if we use a name/subnet that already exists
-       &General::readhasharray("${General::swroot}/ovpn/ccd.conf", \%ccdconfhash);
-       foreach my $key (keys %ccdconfhash) {
-                       @ccdconf=split(/\//,$ccdconfhash{$key}[1]);
-                       if ($ccdname eq $ccdconfhash{$key}[0]) {$errormessage=$errormessage.$Lang::tr{'ccd err nameexist'}."<br>";}
-                       my ($newip,$newsub) = split(/\//,$ccdnet);
-                       if (&General::IpInSubnet($newip,$ccdconf[0],&General::iporsubtodec($ccdconf[1]))) {$errormessage=$errormessage.$Lang::tr{'ccd err issubnet'}."<br>";}
-                       
+       #check ip
+       if (!&General::validipandmask($ccdnet)){
+               $errormessage=$Lang::tr{'ccd err invalidnet'};
+               return;
        }
-       #check if we use one of ipfire's networks (green,orange,blue)
-       my %ownnet=();
-       &General::readhash("${General::swroot}/ethernet/settings", \%ownnet);
-       if (($ownnet{'GREEN_NETADDRESS'}        ne '' && $ownnet{'GREEN_NETADDRESS'}    ne '0.0.0.0') && &General::IpInSubnet($ownnet{'GREEN_NETADDRESS'},$ccdip,&General::iporsubtodec($subcidr))){ $errormessage=$Lang::tr{'ccd err green'};}
-       if (($ownnet{'ORANGE_NETADDRESS'}       ne '' && $ownnet{'ORANGE_NETADDRESS'}   ne '0.0.0.0') && &General::IpInSubnet($ownnet{'ORANGE_NETADDRESS'},$ccdip,&General::iporsubtodec($subcidr))){ $errormessage=$Lang::tr{'ccd err orange'};}
-       if (($ownnet{'BLUE_NETADDRESS'}         ne '' && $ownnet{'BLUE_NETADDRESS'}     ne '0.0.0.0') && &General::IpInSubnet($ownnet{'BLUE_NETADDRESS'},$ccdip,&General::iporsubtodec($subcidr))){ $errormessage=$Lang::tr{'ccd err blue'};}
-       if (($ownnet{'RED_NETADDRESS'}  ne '' && $ownnet{'RED_NETADDRESS'}      ne '0.0.0.0') && &General::IpInSubnet($ownnet{'RED_NETADDRESS'},$ccdip,&General::iporsubtodec($subcidr))){ $errormessage=$Lang::tr{'ccd err red'};}
-               
+       
+       $errormessage=&General::checksubnets($ccdname,$ccdnet);
+       
                
        if (!$errormessage) {
                my %ccdconfhash=();
@@ -611,7 +613,7 @@ sub getccdadresses
        my %ccdhash=();
        &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%ccdhash);
        $iprange[0]=$ip1.".".$ip2.".".$ip3.".".2;
-       for (my $i=0;$i<=$count-1;$i++) {
+       for (my $i=1;$i<=$count;$i++) {
                my $tmpip=$iprange[$i-1];
                my $stepper=$i*4;
                $iprange[$i]= &General::getnextip($tmpip,4);
@@ -850,7 +852,10 @@ if ($cgiparams{'ACTION'} eq $Lang::tr{'save-adv-options'}) {
        $vpnsettings{'MSSFIX'} = $cgiparams{'MSSFIX'};
     }
 
-    if ($cgiparams{'PMTU_DISCOVERY'} ne 'off') {
+    if (($cgiparams{'PMTU_DISCOVERY'} eq 'yes') ||
+        ($cgiparams{'PMTU_DISCOVERY'} eq 'maybe') ||
+        ($cgiparams{'PMTU_DISCOVERY'} eq 'no' )) {
+
        if (($cgiparams{'MSSFIX'} eq 'on') || ($cgiparams{'FRAGMENT'} ne '')) {
                $errormessage = $Lang::tr{'ovpn mtu-disc with mssfix or fragment'};
                goto ADV_ERROR;
@@ -858,7 +863,7 @@ if ($cgiparams{'ACTION'} eq $Lang::tr{'save-adv-options'}) {
     }
                
     if ($cgiparams{'DHCP_DOMAIN'} ne ''){
-       unless (&General::validfqdn($cgiparams{'DHCP_DOMAIN'}) || &General::validip($cgiparams{'DHCP_DOMAIN'})) {
+       unless (&General::validdomainname($cgiparams{'DHCP_DOMAIN'}) || &General::validip($cgiparams{'DHCP_DOMAIN'})) {
                $errormessage = $Lang::tr{'invalid input for dhcp domain'};
        goto ADV_ERROR;
        }
@@ -1003,7 +1008,11 @@ unless(-d "${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}"){mkdir "${General
   if ($cgiparams{'FRAGMENT'} ne '') {print SERVERCONF "fragment $cgiparams{'FRAGMENT'}\n";} 
   if ($cgiparams{'MSSFIX'} eq 'on') {print SERVERCONF "mssfix\n"; }; 
   }
-  if (($cgiparams{'PMTU_DISCOVERY'} ne 'off') || ($cgiparams{'PMTU_DISCOVERY'} ne '')) {
+
+  # Check if a valid operating mode has been choosen and use it.
+  if (($cgiparams{'PMTU_DISCOVERY'} eq 'yes') ||
+      ($cgiparams{'PMTU_DISCOVERY'} eq 'maybe') ||
+      ($cgiparams{'PMTU_DISCOVERY'} eq 'no' )) {
        if(($cgiparams{'MSSFIX'} ne 'on') || ($cgiparams{'FRAGMENT'} eq '')) {
                if($cgiparams{'MTU'} eq '1500') {
                        print SERVERCONF "mtu-disc $cgiparams{'PMTU_DISCOVERY'}\n";
@@ -1088,13 +1097,18 @@ unless(-d "${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}"){mkdir "${General
   if ($cgiparams{'FRAGMENT'} ne '') {print CLIENTCONF "fragment $cgiparams{'FRAGMENT'}\n";}
   if ($cgiparams{'MSSFIX'} eq 'on') {print CLIENTCONF "mssfix\n"; }; 
   }
-   if (($cgiparams{'PMTU_DISCOVERY'} ne 'off') || ($cgiparams{'PMTU_DISCOVERY'} ne '')) {
+
+  # Check if a valid operating mode has been choosen and use it.
+  if (($cgiparams{'PMTU_DISCOVERY'} eq 'yes') ||
+      ($cgiparams{'PMTU_DISCOVERY'} eq 'maybe') ||
+      ($cgiparams{'PMTU_DISCOVERY'} eq 'no' )) {
         if(($cgiparams{'MSSFIX'} ne 'on') || ($cgiparams{'FRAGMENT'} eq '')) {
                if ($cgiparams{'MTU'} eq '1500') {
                        print CLIENTCONF "mtu-disc $cgiparams{'PMTU_DISCOVERY'}\n";
                }
         }
-  } 
+  }
   print CLIENTCONF "ns-cert-type server\n";   
   print CLIENTCONF "# Auth. Client\n"; 
   print CLIENTCONF "tls-client\n"; 
@@ -2022,7 +2036,9 @@ if ($confighash{$cgiparams{'KEY'}}[3] eq 'net'){
    if ($confighash{$cgiparams{'KEY'}}[24] ne '') {print CLIENTCONF "fragment $confighash{$cgiparams{'KEY'}}[24]\n";}
    if ($confighash{$cgiparams{'KEY'}}[23] eq 'on') {print CLIENTCONF "mssfix\n";}
    }
-   if ($confighash{$cgiparams{'KEY'}}[38] ne 'off') {
+   if (($confighash{$cgiparams{'KEY'}}[38] eq 'yes') ||
+       ($confighash{$cgiparams{'KEY'}}[38] eq 'maybe') ||
+       ($confighash{$cgiparams{'KEY'}}[38] eq 'no' )) {
        if (($confighash{$cgiparams{'KEY'}}[23] ne 'on') || ($confighash{$cgiparams{'KEY'}}[24] eq '')) {
                if ($tunmtu eq '1500' ) {
                        print CLIENTCONF "mtu-disc $confighash{$cgiparams{'KEY'}}[38]\n";
@@ -2085,18 +2101,20 @@ else
     print CLIENTCONF "#OpenVPN Client conf\r\n";
     print CLIENTCONF "tls-client\r\n";
     print CLIENTCONF "client\r\n";
-    print CLIENTCONF "nobind\n";
+    print CLIENTCONF "nobind\r\n";
     print CLIENTCONF "dev $vpnsettings{'DDEVICE'}\r\n";
     print CLIENTCONF "proto $vpnsettings{'DPROTOCOL'}\r\n";
 
     # Check if we are using fragment, mssfix or mtu-disc and set MTU to 1500
     # or use configured value.
     if ($vpnsettings{FRAGMENT} ne '' && $vpnsettings{DPROTOCOL} ne 'tcp' )
-       { print CLIENTCONF "$vpnsettings{'DDEVICE'}-mtu 1500\n"; }
+       { print CLIENTCONF "$vpnsettings{'DDEVICE'}-mtu 1500\r\n"; }
     elsif ($vpnsettings{MSSFIX} eq 'on')
-       { print CLIENTCONF "$vpnsettings{'DDEVICE'}-mtu 1500\n"; }
-    elsif (($vpnsettings{PMTU_DISCOVERY} ne 'off') || ($cgiparams{'PMTU_DISCOVERY'} ne ''))
-       { print CLIENTCONF "$vpnsettings{'DDEVICE'}-mtu 1500\n"; }
+       { print CLIENTCONF "$vpnsettings{'DDEVICE'}-mtu 1500\r\n"; }
+    elsif (($vpnsettings{'PMTU_DISCOVERY'} eq 'yes') ||
+           ($vpnsettings{'PMTU_DISCOVERY'} eq 'maybe') ||
+           ($vpnsettings{'PMTU_DISCOVERY'} eq 'no' )) 
+       { print CLIENTCONF "$vpnsettings{'DDEVICE'}-mtu 1500\r\n"; }
     else
        { print CLIENTCONF "$vpnsettings{'DDEVICE'}-mtu $vpnsettings{'DMTU'}\r\n"; }
 
@@ -2143,9 +2161,13 @@ else
     if ($vpnsettings{FRAGMENT} ne '' && $vpnsettings{DPROTOCOL} ne 'tcp' ) {
        print CLIENTCONF "fragment $vpnsettings{'FRAGMENT'}\r\n";
     }
-    if (($vpnsettings{PMTU_DISCOVERY} ne 'off') || ($cgiparams{'PMTU_DISCOVERY'} ne '')) {
+
+    # Check if a valid operating mode has been choosen and use it.
+    if (($vpnsettings{'PMTU_DISCOVERY'} eq 'yes') ||
+        ($vpnsettings{'PMTU_DISCOVERY'} eq 'maybe') ||
+        ($vpnsettings{'PMTU_DISCOVERY'} eq 'no' )) {
        if(($vpnsettings{MSSFIX} ne 'on') || ($vpnsettings{FRAGMENT} eq '')) {
-               print CLIENTCONF "mtu-disc $vpnsettings{'PMTU_DISCOVERY'}\n";
+               print CLIENTCONF "mtu-disc $vpnsettings{'PMTU_DISCOVERY'}\r\n";
        }
     }
     close(CLIENTCONF);
@@ -2317,6 +2339,9 @@ ADV_ERROR:
     if ($cgiparams{'LOG_VERB'} eq '') {
        $cgiparams{'LOG_VERB'} =  '3';
     }
+    if ($cgiparams{'PMTU_DISCOVERY'} eq '') {
+       $cgiparams{'PMTU_DISCOVERY'} = 'off';
+    }
     $checked{'CLIENT2CLIENT'}{'off'} = '';
     $checked{'CLIENT2CLIENT'}{'on'} = '';
     $checked{'CLIENT2CLIENT'}{$cgiparams{'CLIENT2CLIENT'}} = 'CHECKED';
@@ -2353,7 +2378,7 @@ ADV_ERROR:
     }
     &Header::openbox('100%', 'LEFT', $Lang::tr{'advanced server'});
     print <<END
-    <form method='post' enctype='multipart/form-data' disabled>
+    <form method='post' enctype='multipart/form-data'>
     <table width='100%' border=0>
     <tr>
        <td colspan='4'><b>$Lang::tr{'dhcp-options'}</b></td>
@@ -2414,7 +2439,7 @@ print <<END;
         <td><input type='text' name='MAX_CLIENTS' value='$cgiparams{'MAX_CLIENTS'}' size='10' /></td>
     </tr>      
        <tr>
-         <td class='base'>Keppalive <br />
+         <td class='base'>Keepalive <br />
            (ping/ping-restart)</td>
          <td><input type='TEXT' name='KEEPALIVE_1' value='$cgiparams{'KEEPALIVE_1'}' size='10' /></td>
          <td><input type='TEXT' name='KEEPALIVE_2' value='$cgiparams{'KEEPALIVE_2'}' size='10' /></td>
@@ -2539,10 +2564,12 @@ END
        if ($cgiparams{'ACTION'} eq 'editsave'){
                my ($a,$b) =split (/\|/,$cgiparams{'ccdname'});
                if ( $a ne $b){ &modccdnet($a,$b);}
+               $cgiparams{'ccdname'}='';
+               $cgiparams{'ccdsubnet'}='';
        }
        
        if ($cgiparams{'ACTION'} eq $Lang::tr{'ccd add'}) {
-               &addccdnet($cgiparams{'ccdname'},$cgiparams{'ccdsubnet'},$cgiparams{'DOVPN_SUBNET'});
+               &addccdnet($cgiparams{'ccdname'},$cgiparams{'ccdsubnet'});
        }
        if ($errormessage) {
            &Header::openbox('100%', 'LEFT', $Lang::tr{'error messages'});
@@ -2593,6 +2620,11 @@ END
        &Header::closebox();
 }
        &Header::openbox('100%', 'LEFT',$Lang::tr{'ccd net'} );
+       if ( -e "/var/run/openvpn.pid"){
+               print "<b>$Lang::tr{'attention'}:</b><br>";
+               print "$Lang::tr{'ccd noaddnet'}<br><hr>";
+       }
+       
        print <<END
     <table width='100%' border='0'  cellpadding='0' cellspacing='1'>
     <tr>
@@ -2604,7 +2636,7 @@ END
        &General::readhasharray("${General::swroot}/ovpn/ccd.conf", \%ccdconfhash);     
        my @ccdconf=();
        my $count=0;
-       foreach my $key (keys %ccdconfhash) {
+       foreach my $key (sort { uc($ccdconfhash{$a}[0]) cmp uc($ccdconfhash{$b}[0]) } keys %ccdconfhash) {
                @ccdconf=($ccdconfhash{$key}[0],$ccdconfhash{$key}[1]);
                $count++;
                my $ccdhosts = &hostsinnet($ccdconf[0]);
@@ -3248,7 +3280,7 @@ if ($confighash{$cgiparams{'KEY'}}) {
                $cgiparams{'COMPLZO'}                   = $confighash{$cgiparams{'KEY'}}[30];
                $cgiparams{'MTU'}                               = $confighash{$cgiparams{'KEY'}}[31];
                $cgiparams{'CHECK1'}                    = $confighash{$cgiparams{'KEY'}}[32];
-               my $name=$cgiparams{'CHECK1'}   ;
+               $name=$cgiparams{'CHECK1'}      ;
                $cgiparams{$name}                               = $confighash{$cgiparams{'KEY'}}[33];
                $cgiparams{'RG'}                                = $confighash{$cgiparams{'KEY'}}[34];
                $cgiparams{'CCD_DNS1'}                  = $confighash{$cgiparams{'KEY'}}[35];
@@ -3263,6 +3295,8 @@ if ($cgiparams{'TYPE'} eq 'host') {
        my @temp=();
        my %ccdroutehash=();
        my $keypoint=0;
+       my $ip;
+       my $cidr;
        if ($cgiparams{'IR'} ne ''){
                @temp = split("\n",$cgiparams{'IR'});
                &General::readhasharray("${General::swroot}/ovpn/ccdroute", \%ccdroutehash);
@@ -3281,19 +3315,33 @@ if ($cgiparams{'TYPE'} eq 'host') {
                foreach $val (@temp){
                        chomp($val);
                        $val=~s/\s*$//g; 
-                       my($ip,$cidr) = split(/\//,$val);
-                       $ip=&General::getnetworkip($ip,&General::iporsubtocidr($cidr));
-                       $cidr=&General::iporsubtodec($cidr);
-                       
-                       #check if iroute exists in ccdroute
+                       #check if iroute exists in ccdroute or if new iroute is part of an existing one
                        foreach my $key (keys %ccdroutehash) {
                                foreach my $oldiroute ( 1 .. $#{$ccdroutehash{$key}}){
-                                       if ($ccdroutehash{$key}[$oldiroute] eq "$ip/$cidr") {
-                                               $errormessage=$Lang::tr{'ccd err irouteexist'};
-                                               goto VPNCONF_ERROR;
-                                       }
+                                               if ($ccdroutehash{$key}[$oldiroute] eq "$val") {
+                                                       $errormessage=$errormessage.$Lang::tr{'ccd err irouteexist'};
+                                                       goto VPNCONF_ERROR;
+                                               }
+                                               my ($ip1,$cidr1) = split (/\//, $val);
+                                               $ip1 = &General::getnetworkip($ip1,&General::iporsubtocidr($cidr1));
+                                               my ($ip2,$cidr2) = split (/\//, $ccdroutehash{$key}[$oldiroute]);
+                                               if (&General::IpInSubnet ($ip1,$ip2,$cidr2)){
+                                                       $errormessage=$errormessage.$Lang::tr{'ccd err irouteexist'};
+                                                       goto VPNCONF_ERROR;
+                                               } 
+                                                                       
                                }
                        }
+                       if (!&General::validipandmask($val)){
+                               $errormessage=$errormessage."Route ".$Lang::tr{'ccd invalid'}." ($val)";
+                               goto VPNCONF_ERROR;
+                       }else{
+                               ($ip,$cidr) = split(/\//,$val);
+                               $ip=&General::getnetworkip($ip,&General::iporsubtocidr($cidr));
+                               $cidr=&General::iporsubtodec($cidr);
+                               $ccdroutehash{$keypoint}[$i] = $ip."/".$cidr;
+                       
+                       }
                                                                                                                                        
                        #check for existing network IP's
                        if (&General::IpInSubnet ($ip,$netsettings{GREEN_NETADDRESS},$netsettings{GREEN_NETMASK}) && $netsettings{GREEN_NETADDRESS} ne '0.0.0.0')
@@ -3453,21 +3501,36 @@ if ($cgiparams{'TYPE'} eq 'host') {
 ###
 
 if ($cgiparams{'TYPE'} eq 'net') {
-               
-    if ($cgiparams{'DEST_PORT'} eq  $vpnsettings{'DDEST_PORT'}) {
+       if ($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{'DEST_PORT'} eq  '') {
+    #Bugfix 10357
+    foreach my $key (sort keys %confighash){
+               if ( ($confighash{$key}[22] eq $cgiparams{'DEST_PORT'} && $cgiparams{'NAME'} ne $confighash{$key}[1]) || ($confighash{$key}[29] eq $cgiparams{'DEST_PORT'} && $cgiparams{'NAME'} ne $confighash{$key}[1])){
                        $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{'DEST_PORT'} eq  '') {
+                       $errormessage = $Lang::tr{'invalid port'};
+                       unlink ("${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 the input for the transfer net is valid.
+    if (!&General::validipandmask($cgiparams{'OVPN_SUBNET'})){
+                       $errormessage = $Lang::tr{'ccd err invalidnet'};
+                       unlink ("${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: $!";
@@ -3489,13 +3552,6 @@ if ($cgiparams{'TYPE'} eq 'net') {
            goto VPNCONF_ERROR;
     }
 
-    if (($cgiparams{'PMTU_DISCOVERY'} ne 'off') && ($cgiparams{'MTU'} ne '1500')) {
-       $errormessage = $Lang::tr{'ovpn mtu-disc and mtu not 1500'};
-       unlink ("${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{'PMTU_DISCOVERY'} ne 'off') {
        if (($cgiparams{'FRAGMENT'} ne '') || ($cgiparams{'MSSFIX'} eq 'on')) {
                $errormessage = $Lang::tr{'ovpn mtu-disc with mssfix or fragment'};
@@ -3505,6 +3561,13 @@ if ($cgiparams{'TYPE'} eq 'net') {
        }
     }
 
+    if (($cgiparams{'PMTU_DISCOVERY'} ne 'off') && ($cgiparams{'MTU'} ne '1500')) {
+       $errormessage = $Lang::tr{'ovpn mtu-disc and mtu not 1500'};
+       unlink ("${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: $!";
@@ -3875,7 +3938,7 @@ if ($cgiparams{'TYPE'} eq 'net') {
            }
        }
 
-        # Save the config
+    # Save the config
        my $key = $cgiparams{'KEY'};
        
        if (! $key) {
@@ -3917,7 +3980,7 @@ if ($cgiparams{'TYPE'} eq 'net') {
        $confighash{$key}[30]           = $cgiparams{'COMPLZO'};
        $confighash{$key}[31]           = $cgiparams{'MTU'};
        $confighash{$key}[32]           = $cgiparams{'CHECK1'};
-       my $name=$cgiparams{'CHECK1'};
+       $name=$cgiparams{'CHECK1'};
        $confighash{$key}[33]           = $cgiparams{$name};
        $confighash{$key}[34]           = $cgiparams{'RG'};
        $confighash{$key}[35]           = $cgiparams{'CCD_DNS1'};
@@ -3932,13 +3995,16 @@ if ($cgiparams{'TYPE'} eq 'net') {
                
                my ($ccdip,$ccdsub)=split "/",$cgiparams{$name};
                my ($a,$b,$c,$d) = split (/\./,$ccdip);
-                       if ( -e "${General::swroot}/ovpn/ccd/$confighash{$key}[2]"){unlink "${General::swroot}/ovpn/ccd/$cgiparams{'CERT_NAME'}";}
+                       if ( -e "${General::swroot}/ovpn/ccd/$confighash{$key}[2]"){
+                               unlink "${General::swroot}/ovpn/ccd/$cgiparams{'CERT_NAME'}";
+                       }
+                       $confighash{$key}[2] =~ s/ /_/gi;
                        open ( CCDRWCONF,'>',"${General::swroot}/ovpn/ccd/$confighash{$key}[2]") or die "Unable to create clientconfigfile $!";
-                       print CCDRWCONF "# OpenVPN Clientconfig from CCD extension by Copymaster#\n\n";
+                       print CCDRWCONF "# OpenVPN clientconfig from ccd extension by Copymaster#\n\n";
                        if($cgiparams{'CHECK1'} eq 'dynamic'){
                                print CCDRWCONF "#This client uses the dynamic pool\n";
                        }else{
-                               print CCDRWCONF "#Ip address client and Server\n";
+                               print CCDRWCONF "#Ip address client and server\n";
                                print CCDRWCONF "ifconfig-push $ccdip ".&General::getlastip($ccdip,1)."\n";
                        }
                        if ($confighash{$key}[34] eq 'on'){
@@ -3947,7 +4013,7 @@ if ($cgiparams{'TYPE'} eq 'net') {
                        }
                        &General::readhasharray("${General::swroot}/ovpn/ccdroute", \%ccdroutehash);
                        if ($cgiparams{'IR'} ne ''){
-                               print CCDRWCONF "\n#Client routes these Networks (behind Client)\n";
+                               print CCDRWCONF "\n#Client routes these networks (behind Client)\n";
                                foreach my $key (keys %ccdroutehash){
                                        if ($ccdroutehash{$key}[0] eq $cgiparams{'NAME'}){
                                                foreach my $i ( 1 .. $#{$ccdroutehash{$key}}){
@@ -3959,7 +4025,7 @@ if ($cgiparams{'TYPE'} eq 'net') {
                        }
                        if ($cgiparams{'IFROUTE'} eq $Lang::tr{'ccd none'} ){$cgiparams{'IFROUTE'}='';}
                        if ($cgiparams{'IFROUTE'} ne ''){
-                               print CCDRWCONF "\n#Client gets routes to these Networks (behind IPFIRE)\n";
+                               print CCDRWCONF "\n#Client gets routes to these networks (behind IPFire)\n";
                                foreach my $key (keys %ccdroute2hash){
                                        if ($ccdroute2hash{$key}[0] eq $cgiparams{'NAME'}){
                                                foreach my $i ( 1 .. $#{$ccdroute2hash{$key}}){
@@ -3981,7 +4047,7 @@ if ($cgiparams{'TYPE'} eq 'net') {
                        }
                        if(($cgiparams{'CCD_DNS1'} eq '') && ($cgiparams{'CCD_DNS1'} ne '')){ $cgiparams{'CCD_DNS1'} = $cgiparams{'CCD_DNS2'};$cgiparams{'CCD_DNS2'}='';}
                        if($cgiparams{'CCD_DNS1'} ne ''){
-                               print CCDRWCONF "\n#Client gets these Nameservers\n";
+                               print CCDRWCONF "\n#Client gets these nameservers\n";
                                print CCDRWCONF "push \"dhcp-option DNS $cgiparams{'CCD_DNS1'}\" \n";
                        }
                        if($cgiparams{'CCD_DNS2'} ne ''){
@@ -4092,6 +4158,9 @@ if ($cgiparams{'TYPE'} eq 'net') {
     $checked{'MSSFIX'}{'on'} = '';
     $checked{'MSSFIX'}{$cgiparams{'MSSFIX'}} = 'CHECKED';
 
+    if ($cgiparams{'PMTU_DISCOVERY'} eq '') {
+       $cgiparams{'PMTU_DISCOVERY'} = 'off';
+    }
     $checked{'PMTU_DISCOVERY'}{$cgiparams{'PMTU_DISCOVERY'}} = 'checked=\'checked\'';
 
 
@@ -4197,7 +4266,7 @@ if ($cgiparams{'TYPE'} eq 'net') {
 
        <tr>
                <td class='boldbase' nowrap='nowrap'>$Lang::tr{'ovpn mtu-disc'}</td>
-               <td colspan='2'>
+               <td colspan='3'>
                        <input type='radio' name='PMTU_DISCOVERY' value='yes' $checked{'PMTU_DISCOVERY'}{'yes'} /> $Lang::tr{'ovpn mtu-disc yes'}
                        <input type='radio' name='PMTU_DISCOVERY' value='maybe' $checked{'PMTU_DISCOVERY'}{'maybe'} /> $Lang::tr{'ovpn mtu-disc maybe'}
                        <input type='radio' name='PMTU_DISCOVERY' value='no' $checked{'PMTU_DISCOVERY'}{'no'} /> $Lang::tr{'ovpn mtu-disc no'}
@@ -4238,7 +4307,7 @@ if ($cgiparams{'TYPE'} eq 'host') {
                
        if (! -z "${General::swroot}/ovpn/ccd.conf"){   
                print"<table border='0' width='100%' cellspacing='1' cellpadding='0'><tr><td width='1%'></td><td width='30%' class='boldbase' align='center'><b>$Lang::tr{'ccd name'}</td><td width='15%' class='boldbase' align='center'><b>$Lang::tr{'network'}</td><td class='boldbase' align='center' width='18%'><b>$Lang::tr{'ccd clientip'}</td></tr>";
-               foreach my $key (keys %ccdconfhash) {
+               foreach my $key (sort { uc($ccdconfhash{$a}[0]) cmp uc($ccdconfhash{$b}[0]) } keys %ccdconfhash) {
                        $count++;
                        @ccdconf=($ccdconfhash{$key}[0],$ccdconfhash{$key}[1]);
                        if ($count % 2){print"<tr bgcolor='$color{'color22'}'>";}else{print"<tr bgcolor='$color{'color20'}'>";}
@@ -4404,6 +4473,7 @@ END
        my $helpblue=0;
        my $helporange=0;
        my $other=0;
+       my $none=0;
        my @temp=();
        
        our @current = ();
@@ -4411,7 +4481,20 @@ END
        @current = <FILE>;
        close (FILE);
        &General::readhasharray ("${General::swroot}/ovpn/ccdroute2", \%ccdroute2hash);         
-       print"<option>$Lang::tr{'ccd none'}</option>";
+       #check for "none"
+       foreach my $key (keys %ccdroute2hash) {
+               if($ccdroute2hash{$key}[0] eq $cgiparams{'NAME'}){
+                       if ($ccdroute2hash{$key}[1] eq ''){
+                               $none=1;
+                               last;
+                       }
+               }
+       }
+       if ($none ne '1'){
+               print"<option>$Lang::tr{'ccd none'}</option>";
+       }else{
+               print"<option selected>$Lang::tr{'ccd none'}</option>";
+       }
        #check if static routes are defined for client
        foreach my $line (@current) {
                chomp($line);   
@@ -4907,19 +4990,13 @@ END
 }
 
 
-       my $disable_clientdl = "disabled='disabled'";
-       if (( $cgiparams{'ENABLED'} eq 'on') || 
-           ( $cgiparams{'ENABLED_BLUE'} eq 'on') ||
-           ( $cgiparams{'ENABLED_ORANGE'} eq 'on')){
-           $disable_clientdl = "";
-       }
        print <<END
        <td align='center'>$active</td>
                
        <form method='post' name='frm${key}a'><td align='center'>
-           <input type='image'  name='$Lang::tr{'dl client arch'}' $disable_clientdl src='/images/openvpn.png' alt='$Lang::tr{'dl client arch'}' title='$Lang::tr{'dl client arch'}' border='0' />
-           <input type='hidden' name='ACTION' value='$Lang::tr{'dl client arch'}' $disable_clientdl />
-           <input type='hidden' name='KEY' value='$key' $disable_clientdl />
+           <input type='image'  name='$Lang::tr{'dl client arch'}' src='/images/openvpn.png' alt='$Lang::tr{'dl client arch'}' title='$Lang::tr{'dl client arch'}' border='0' />
+           <input type='hidden' name='ACTION' value='$Lang::tr{'dl client arch'}' />
+           <input type='hidden' name='KEY' value='$key' />
        </td></form>
 END
        ;