]> git.ipfire.org Git - people/teissler/ipfire-2.x.git/blobdiff - html/cgi-bin/ovpnmain.cgi
Forward Firewall: deleted configfile "nat" in ovpnmain.cgi for portfw check. File...
[people/teissler/ipfire-2.x.git] / html / cgi-bin / ovpnmain.cgi
index 58ebdf2faea0d22e0a92e9daad768381a8c2d390..899bf3efa2b5bc34b12aadf9c810057d1e0b3c9b 100644 (file)
@@ -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        #
@@ -30,6 +30,7 @@ use File::Copy;
 use File::Temp qw/ tempfile tempdir /;
 use strict;
 use Archive::Zip qw(:ERROR_CODES :CONSTANTS);
+use Sort::Naturally;
 require '/var/ipfire/general-functions.pl';
 require "${General::swroot}/lang.pl";
 require "${General::swroot}/header.pl";
@@ -127,21 +128,6 @@ sub sizeformat{
     return("$newsize $units[$i]");
 }
 
-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 $res->errorstring;
-       }
-}
-
 sub cleanssldatabase
 {
     if (open(FILE, ">${General::swroot}/ovpn/certs/serial")) {
@@ -180,49 +166,29 @@ sub deletebackupcert
                unlink ("${General::swroot}/ovpn/certs/$hexvalue.pem");
        }
 }
-
 sub checkportfw {
-    my $KEY2 = $_[0]; # key2
-    my $SRC_PORT = $_[1]; # src_port
-    my $PROTOCOL = $_[2]; # protocol
-    my $SRC_IP = $_[3]; # sourceip
-
-    my $pfwfilename = "${General::swroot}/portfw/config";
-    open(FILE, $pfwfilename) or die 'Unable to open config file.';
-    my @pfwcurrent = <FILE>;
-    close(FILE);
-    my $pfwkey1 = 0; # used for finding last sequence number used 
-    foreach my $pfwline (@pfwcurrent)
-    {
-       my @pfwtemp = split(/\,/,$pfwline);
-
-       chomp ($pfwtemp[8]);
-       if ($KEY2 eq "0"){ # if key2 is 0 then it is a portfw addition
-               if ( $SRC_PORT eq $pfwtemp[3] &&
-                       $PROTOCOL eq $pfwtemp[2] &&
-                       $SRC_IP eq $pfwtemp[7])
-               {
-                        $errormessage = "$Lang::tr{'source port in use'} $SRC_PORT";
-               }
-               # Check if key2 = 0, if it is then it is a port forward entry and we want the sequence number
-               if ( $pfwtemp[1] eq "0") {
-                       $pfwkey1=$pfwtemp[0];
-               }
-               # Darren Critchley - Duplicate or overlapping Port range check
-               if ($pfwtemp[1] eq "0" && 
-                       $PROTOCOL eq $pfwtemp[2] &&
-                       $SRC_IP eq $pfwtemp[7] &&
-                       $errormessage eq '') 
-               {
-                       &portchecks($SRC_PORT, $pfwtemp[5]);            
-#                      &portchecks($pfwtemp[3], $pfwtemp[5]);
-#                      &portchecks($pfwtemp[3], $SRC_IP);
+       my $DPORT = shift;
+       my $DPROT = shift;
+       my %natconfig =();
+       my $confignat = "${General::swroot}/forward/config";
+       $DPROT= uc ($DPROT);
+       &General::readhasharray($confignat, \%natconfig);
+       foreach my $key (sort keys %natconfig){
+               my @portarray = split (/\|/,$natconfig{$key}[30]);
+               foreach my $value (@portarray){
+                       if ($value =~ /:/i){
+                               my ($a,$b) = split (":",$value);
+                               if ($DPROT eq $natconfig{$key}[12] && $DPORT gt $a && $DPORT lt $b){
+                                       $errormessage= "$Lang::tr{'source port in use'} $DPORT";
+                               }
+                       }else{
+                               if ($DPROT eq $natconfig{$key}[12] && $DPORT eq $value){
+                                       $errormessage= "$Lang::tr{'source port in use'} $DPORT";
+                               }
+                       }
                }
        }
-    }
-#    $errormessage="$KEY2 $SRC_PORT $PROTOCOL $SRC_IP";
-
-    return;
+       return;
 }
 
 sub checkportoverlap
@@ -254,32 +220,6 @@ sub checkportinc
                return 0; 
        }
 }
-# Darren Critchley - Duplicate or overlapping Port range check
-sub portchecks
-{
-       my $p1 = $_[0]; # New port range
-       my $p2 = $_[1]; # existing port range
-#      $_ = $_[0];
-       our ($prtrange1, $prtrange2);
-       $prtrange1 = 0;
-#      if (m/:/ && $prtrange1 == 1) { # comparing two port ranges
-#              unless (&checkportoverlap($p1,$p2)) {
-#                      $errormessage = "$Lang::tr{'source port overlaps'} $p1";
-#              }
-#      }
-       if (m/:/ && $prtrange1 == 0 && $errormessage eq '') { # compare one port to a range
-               unless (&checkportinc($p2,$p1)) {
-                       $errormessage = "$Lang::tr{'srcprt within existing'} $p1";
-               }
-       }
-       $prtrange1 = 1;
-       if (! m/:/ && $prtrange1 == 1 && $errormessage eq '') { # compare one port to a range
-               unless (&checkportinc($p1,$p2)) {
-                       $errormessage = "$Lang::tr{'srcprt range overlaps'} $p2";
-               }
-       }
-       return;
-}
 
 # Darren Critchley - certain ports are reserved for IPFire 
 # TCP 67,68,81,222,445
@@ -863,7 +803,7 @@ 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 = $Lang::tr{'invalid input for dhcp domain'};
        goto ADV_ERROR;
        }
@@ -982,7 +922,11 @@ unless(-d "${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}"){mkdir "${General
   print SERVERCONF "persist-key\n";
   print SERVERCONF "script-security 2\n";
   print SERVERCONF "# IP/DNS for remote Server Gateway\n"; 
+
+  if ($cgiparams{'REMOTE'} ne '') {
   print SERVERCONF "remote $cgiparams{'REMOTE'}\n";
+  }
+
   print SERVERCONF "float\n";
   print SERVERCONF "# IP adresses of the VPN Subnet\n"; 
   print SERVERCONF "ifconfig $ovsubnet.1 $ovsubnet.2\n"; 
@@ -1155,7 +1099,7 @@ if ($cgiparams{'ACTION'} eq $Lang::tr{'save'} && $cgiparams{'TYPE'} eq '' && $cg
     
     
     if ($cgiparams{'ENABLED'} eq 'on'){
-       &checkportfw(0,$cgiparams{'DDEST_PORT'},$cgiparams{'DPROTOCOL'},'0.0.0.0');
+       &checkportfw($cgiparams{'DDEST_PORT'},$cgiparams{'DPROTOCOL'});
     }
        
     if ($errormessage) { goto SETTINGS_ERROR; }
@@ -2339,6 +2283,9 @@ ADV_ERROR:
     if ($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';
@@ -2375,7 +2322,7 @@ 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>
@@ -3498,21 +3445,36 @@ 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: $!";
@@ -3596,34 +3558,38 @@ if ($cgiparams{'TYPE'} eq 'net') {
            }
        }
 
-       if (($cgiparams{'TYPE'} eq 'net') && (! $cgiparams{'REMOTE'})) {
+       # Check if a remote host/IP has been set for the client.
+       if ($cgiparams{'REMOTE'} eq '' && $cgiparams{'SIDE'} ne 'server') {
            $errormessage = $Lang::tr{'invalid input for remote host/ip'};
+
+           # Check if this is a N2N connection and drop temporary config.
            if ($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: $!";
-      }
+               unlink ("${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 ($cgiparams{'REMOTE'}) {
+       # Check if a remote host/IP has been configured - the field can be empty on the server side.
+       if ($cgiparams{'REMOTE'} ne '') {
+
+           # Check if the given IP is valid - otherwise check if it is a valid domain.
            if (! &General::validip($cgiparams{'REMOTE'})) {
+
+               # Check for a valid domain.
                if (! &General::validfqdn ($cgiparams{'REMOTE'}))  {
                    $errormessage = $Lang::tr{'invalid input for remote host/ip'};
+
+                   # Check if this is a N2N connection and drop temporary config.
                    if ($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: $!";
-        }
+                       unlink ("${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') {
-
-      }
-                   }
                }
            }
        }
+
        if ($cgiparams{'TYPE'} ne 'host') {
             unless (&General::validipandmask($cgiparams{'LOCAL_SUBNET'})) {
                    $errormessage = $Lang::tr{'local subnet is invalid'}; 
@@ -3920,7 +3886,7 @@ if ($cgiparams{'TYPE'} eq 'net') {
            }
        }
 
-        # Save the config
+    # Save the config
        my $key = $cgiparams{'KEY'};
        
        if (! $key) {
@@ -4140,6 +4106,9 @@ if ($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\'';
 
 
@@ -4882,11 +4851,10 @@ END
 </tr>
 END
        ;
-        my $id = 0;
-        my $gif;
-        foreach my $key (sort { uc($confighash{$a}[1]) cmp uc($confighash{$b}[1]) } keys %confighash) {
-       if ($confighash{$key}[0] eq 'on') { $gif = 'on.gif'; } else { $gif = 'off.gif'; }
-
+    my $id = 0;
+    my $gif;
+    foreach my $key (sort { ncmp ($confighash{$a}[1],$confighash{$b}[1]) } keys %confighash) {
+       if ($confighash{$key}[0] eq 'on') { $gif = 'on.gif'; } else { $gif = 'off.gif'; }
        if ($id % 2) {
            print "<tr bgcolor='$color{'color20'}'>\n";
        } else {
@@ -4969,19 +4937,13 @@ 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
        ;