html/cgi-bin/ovpnmain.cgi

   1 #!/usr/bin/perl
   2 ###############################################################################
   3 #                                                                             #
   4 # IPFire.org - A linux based firewall                                         #
   5 # Copyright (C) 2007-2014  IPFire Team  <info@ipfire.org>                     #
   6 #                                                                             #
   7 # This program is free software: you can redistribute it and/or modify        #
   8 # it under the terms of the GNU General Public License as published by        #
   9 # the Free Software Foundation, either version 3 of the License, or           #
  10 # (at your option) any later version.                                         #
  11 #                                                                             #
  12 # This program is distributed in the hope that it will be useful,             #
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of              #
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
  15 # GNU General Public License for more details.                                #
  16 #                                                                             #
  17 # You should have received a copy of the GNU General Public License           #
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
  19 #                                                                             #
  20 ###############################################################################
  21 ###
  22 # Based on IPFireCore 77
  23 ###
  24 use CGI;
  25 use CGI qw/:standard/;
  26 use Net::DNS;
  27 use Net::Ping;
  28 use Net::Telnet;
  29 use File::Copy;
  30 use File::Temp qw/ tempfile tempdir /;
  31 use strict;
  32 use Archive::Zip qw(:ERROR_CODES :CONSTANTS);
  33 use Sort::Naturally;
  34 require '/var/ipfire/general-functions.pl';
  35 require "${General::swroot}/lang.pl";
  36 require "${General::swroot}/header.pl";
  37 require "${General::swroot}/countries.pl";
  38 require "${General::swroot}/geoip-functions.pl";
  39
  40 # enable only the following on debugging purpose
  41 #use warnings;
  42 #use CGI::Carp 'fatalsToBrowser';
  43 #workaround to suppress a warning when a variable is used only once
  44 my @dummy = ( ${Header::colourgreen}, ${Header::colourblue} );
  45 undef (@dummy);
  46
  47 my %color = ();
  48 my %mainsettings = ();
  49 &General::readhash("${General::swroot}/main/settings", \%mainsettings);
  50 &General::readhash("/srv/web/ipfire/html/themes/".$mainsettings{'THEME'}."/include/colors.txt", \%color);
  51
  52 ###
  53 ### Initialize variables
  54 ###
  55 my %ccdconfhash=();
  56 my %ccdroutehash=();
  57 my %ccdroute2hash=();
  58 my %netsettings=();
  59 my %cgiparams=();
  60 my %vpnsettings=();
  61 my %checked=();
  62 my %confighash=();
  63 my %cahash=();
  64 my %selected=();
  65 my $warnmessage = '';
  66 my $errormessage = '';
  67 my $cryptoerror = '';
  68 my $cryptowarning = '';
  69 my %settings=();
  70 my $routes_push_file = '';
  71 my $confighost="${General::swroot}/fwhosts/customhosts";
  72 my $configgrp="${General::swroot}/fwhosts/customgroups";
  73 my $customnet="${General::swroot}/fwhosts/customnetworks";
  74 my $name;
  75 my $col="";
  76 my $local_serverconf = "${General::swroot}/ovpn/scripts/server.conf.local";
  77 my $local_clientconf = "${General::swroot}/ovpn/scripts/client.conf.local";
  78
  79 &General::readhash("${General::swroot}/ethernet/settings", \%netsettings);
  80 $cgiparams{'ENABLED'} = 'off';
  81 $cgiparams{'ENABLED_BLUE'} = 'off';
  82 $cgiparams{'ENABLED_ORANGE'} = 'off';
  83 $cgiparams{'EDIT_ADVANCED'} = 'off';
  84 $cgiparams{'NAT'} = 'off';
  85 $cgiparams{'COMPRESSION'} = 'off';
  86 $cgiparams{'ONLY_PROPOSED'} = 'off';
  87 $cgiparams{'ACTION'} = '';
  88 $cgiparams{'CA_NAME'} = '';
  89 $cgiparams{'DH_NAME'} = 'dh1024.pem';
  90 $cgiparams{'DHLENGHT'} = '';
  91 $cgiparams{'DHCP_DOMAIN'} = '';
  92 $cgiparams{'DHCP_DNS'} = '';
  93 $cgiparams{'DHCP_WINS'} = '';
  94 $cgiparams{'ROUTES_PUSH'} = '';
  95 $cgiparams{'DCOMPLZO'} = 'off';
  96 $cgiparams{'MSSFIX'} = '';
  97 $cgiparams{'number'} = '';
  98 $cgiparams{'DCIPHER'} = '';
  99 $cgiparams{'DAUTH'} = '';
 100 $cgiparams{'TLSAUTH'} = '';
 101 $routes_push_file = "${General::swroot}/ovpn/routes_push";
 102 # Perform crypto and configration test
 103 &pkiconfigcheck;
 104
 105 # Add CCD files if not already presant
 106 unless (-e $routes_push_file) {
 107         open(RPF, ">$routes_push_file");
 108         close(RPF);
 109 }
 110 unless (-e "${General::swroot}/ovpn/ccd.conf") {
 111         open(CCDC, ">${General::swroot}/ovpn/ccd.conf");
 112         close (CCDC);
 113 }
 114 unless (-e "${General::swroot}/ovpn/ccdroute") {
 115         open(CCDR, ">${General::swroot}/ovpn/ccdroute");
 116         close (CCDR);
 117 }
 118 unless (-e "${General::swroot}/ovpn/ccdroute2") {
 119         open(CCDRT, ">${General::swroot}/ovpn/ccdroute2");
 120         close (CCDRT);
 121 }
 122 # Add additional configs if not already presant
 123 unless (-e "$local_serverconf") {
 124         open(LSC, ">$local_serverconf");
 125        close (LSC);
 126 }
 127 unless (-e "$local_clientconf") {
 128        open(LCC, ">$local_clientconf");
 129        close (LCC);
 130 }
 131
 132 &Header::getcgihash(\%cgiparams, {'wantfile' => 1, 'filevar' => 'FH'});
 133
 134 # prepare openvpn config file
 135 ###
 136 ### Useful functions
 137 ###
 138 sub haveOrangeNet
 139 {
 140         if ($netsettings{'CONFIG_TYPE'} == 2) {return 1;}
 141         if ($netsettings{'CONFIG_TYPE'} == 4) {return 1;}
 142         return 0;
 143 }
 144
 145 sub haveBlueNet
 146 {
 147         if ($netsettings{'CONFIG_TYPE'} == 3) {return 1;}
 148         if ($netsettings{'CONFIG_TYPE'} == 4) {return 1;}
 149         return 0;
 150 }
 151
 152 sub sizeformat{
 153     my $bytesize = shift;
 154     my $i = 0;
 155
 156     while(abs($bytesize) >= 1024){
 157         $bytesize=$bytesize/1024;
 158         $i++;
 159         last if($i==6);
 160     }
 161
 162     my @units = ("Bytes","KB","MB","GB","TB","PB","EB");
 163     my $newsize=(int($bytesize*100 +0.5))/100;
 164     return("$newsize $units[$i]");
 165 }
 166
 167 sub cleanssldatabase
 168 {
 169     if (open(FILE, ">${General::swroot}/ovpn/certs/serial")) {
 170         print FILE "01";
 171         close FILE;
 172     }
 173     if (open(FILE, ">${General::swroot}/ovpn/certs/index.txt")) {
 174         print FILE "";
 175         close FILE;
 176     }
 177     if (open(FILE, ">${General::swroot}/ovpn/certs/index.txt.attr")) {
 178       print FILE "";
 179       close FILE;
 180     }
 181     unlink ("${General::swroot}/ovpn/certs/index.txt.old");
 182     unlink ("${General::swroot}/ovpn/certs/index.txt.attr.old");
 183     unlink ("${General::swroot}/ovpn/certs/serial.old");
 184     unlink ("${General::swroot}/ovpn/certs/01.pem");
 185 }
 186
 187 sub newcleanssldatabase
 188 {
 189     if (! -s "${General::swroot}/ovpn/certs/serial" )  {
 190         open(FILE, ">${General::swroot}(ovpn/certs/serial");
 191         print FILE "01";
 192         close FILE;
 193     }
 194     if (! -s ">${General::swroot}/ovpn/certs/index.txt") {
 195         system ("touch ${General::swroot}/ovpn/certs/index.txt");
 196     }
 197     if (! -s ">${General::swroot}/ovpn/certs/index.txt.attr") {
 198       system ("touch ${General::swroot}/ovpn/certs/index.txt.attr");
 199     }
 200     unlink ("${General::swroot}/ovpn/certs/index.txt.old");
 201     unlink ("${General::swroot}/ovpn/certs/index.txt.attr.old");
 202     unlink ("${General::swroot}/ovpn/certs/serial.old");
 203 }
 204
 205 sub deletebackupcert
 206 {
 207         if (open(FILE, "${General::swroot}/ovpn/certs/serial.old")) {
 208                 my $hexvalue = <FILE>;
 209                 chomp $hexvalue;
 210                 close FILE;
 211                 unlink ("${General::swroot}/ovpn/certs/$hexvalue.pem");
 212         }
 213 }
 214
 215 ###
 216 ### Check for PKI and configure problems
 217 ###
 218
 219 sub pkiconfigcheck
 220 {
 221         # Warning if DH parameter is 1024 bit
 222         if (-f "${General::swroot}/ovpn/ca/$cgiparams{'DH_NAME'}") {
 223                 my $dhparameter = `/usr/bin/openssl dhparam -text -in ${General::swroot}/ovpn/ca/$cgiparams{'DH_NAME'}`;
 224                 my @dhbit = ($dhparameter =~ /(\d+)/);
 225                 if ($1 < 2048) {
 226                         $cryptoerror = "$Lang::tr{'ovpn error dh'}";
 227                         goto CRYPTO_ERROR;
 228                 }
 229         }
 230
 231         # Warning if md5 is in usage
 232         if (-f "${General::swroot}/ovpn/certs/servercert.pem") {
 233                 my $signature = `/usr/bin/openssl x509 -noout -text -in ${General::swroot}/ovpn/certs/servercert.pem`;
 234                 if ($signature =~ /md5WithRSAEncryption/) {
 235                         $cryptoerror = "$Lang::tr{'ovpn error md5'}";
 236                         goto CRYPTO_ERROR;
 237                 }
 238         }
 239
 240         CRYPTO_ERROR:
 241
 242         # Warning if certificate is not compliant to RFC3280 TLS rules
 243         if (-f "${General::swroot}/ovpn/certs/servercert.pem") {
 244                 my $extendkeyusage = `/usr/bin/openssl x509 -noout -text -in ${General::swroot}/ovpn/certs/servercert.pem`;
 245                 if ($extendkeyusage !~ /TLS Web Server Authentication/) {
 246                         $cryptowarning = "$Lang::tr{'ovpn warning rfc3280'}";
 247                         goto CRYPTO_WARNING;
 248                 }
 249         }
 250
 251         CRYPTO_WARNING:
 252 }
 253
 254 sub writeserverconf {
 255     my %sovpnsettings = ();
 256     my @temp = ();
 257     &General::readhash("${General::swroot}/ovpn/settings", \%sovpnsettings);
 258     &read_routepushfile;
 259
 260     open(CONF,    ">${General::swroot}/ovpn/server.conf") or die "Unable to open ${General::swroot}/ovpn/server.conf: $!";
 261     flock CONF, 2;
 262     print CONF "#OpenVPN Server conf\n";
 263     print CONF "\n";
 264     print CONF "daemon openvpnserver\n";
 265     print CONF "writepid /var/run/openvpn.pid\n";
 266     print CONF "#DAN prepare OpenVPN for listening on blue and orange\n";
 267     print CONF ";local $sovpnsettings{'VPN_IP'}\n";
 268     print CONF "dev tun\n";
 269     print CONF "proto $sovpnsettings{'DPROTOCOL'}\n";
 270     print CONF "port $sovpnsettings{'DDEST_PORT'}\n";
 271     print CONF "script-security 3\n";
 272     print CONF "ifconfig-pool-persist /var/ipfire/ovpn/ovpn-leases.db 3600\n";
 273     print CONF "client-config-dir /var/ipfire/ovpn/ccd\n";
 274     print CONF "tls-server\n";
 275     print CONF "ca ${General::swroot}/ovpn/ca/cacert.pem\n";
 276     print CONF "cert ${General::swroot}/ovpn/certs/servercert.pem\n";
 277     print CONF "key ${General::swroot}/ovpn/certs/serverkey.pem\n";
 278     print CONF "dh ${General::swroot}/ovpn/ca/$cgiparams{'DH_NAME'}\n";
 279     my @tempovpnsubnet = split("\/",$sovpnsettings{'DOVPN_SUBNET'});
 280     print CONF "server $tempovpnsubnet[0] $tempovpnsubnet[1]\n";
 281     #print CONF "push \"route $netsettings{'GREEN_NETADDRESS'} $netsettings{'GREEN_NETMASK'}\"\n";
 282
 283     # Check if we are using mssfix, fragment and set the corretct mtu of 1500.
 284     # If we doesn't use one of them, we can use the configured mtu value.
 285     if ($sovpnsettings{'MSSFIX'} eq 'on')
 286         { print CONF "tun-mtu 1500\n"; }
 287     elsif ($sovpnsettings{'FRAGMENT'} ne '' && $sovpnsettings{'DPROTOCOL'} ne 'tcp')
 288         { print CONF "tun-mtu 1500\n"; }
 289     else
 290         { print CONF "tun-mtu $sovpnsettings{'DMTU'}\n"; }
 291
 292     if ($vpnsettings{'ROUTES_PUSH'} ne '') {
 293                 @temp = split(/\n/,$vpnsettings{'ROUTES_PUSH'});
 294                 foreach (@temp)
 295                 {
 296                         @tempovpnsubnet = split("\/",&General::ipcidr2msk($_));
 297                         print CONF "push \"route " . $tempovpnsubnet[0]. " " .  $tempovpnsubnet[1] . "\"\n";
 298                 }
 299         }
 300 # a.marx ccd
 301         my %ccdconfhash=();
 302         &General::readhasharray("${General::swroot}/ovpn/ccd.conf", \%ccdconfhash);
 303         foreach my $key (keys %ccdconfhash) {
 304                 my $a=$ccdconfhash{$key}[1];
 305                 my ($b,$c) = split (/\//, $a);
 306                 print CONF "route $b ".&General::cidrtosub($c)."\n";
 307         }
 308         my %ccdroutehash=();
 309         &General::readhasharray("${General::swroot}/ovpn/ccdroute", \%ccdroutehash);
 310         foreach my $key (keys %ccdroutehash) {
 311                 foreach my $i ( 1 .. $#{$ccdroutehash{$key}}){
 312                         my ($a,$b)=split (/\//,$ccdroutehash{$key}[$i]);
 313                         print CONF "route $a $b\n";
 314                 }
 315         }
 316 # ccd end
 317
 318         if ($sovpnsettings{CLIENT2CLIENT} eq 'on') {
 319         print CONF "client-to-client\n";
 320     }
 321     if ($sovpnsettings{MSSFIX} eq 'on') {
 322                 print CONF "mssfix\n";
 323     }
 324     if ($sovpnsettings{FRAGMENT} ne '' && $sovpnsettings{'DPROTOCOL'} ne 'tcp') {
 325                 print CONF "fragment $sovpnsettings{'FRAGMENT'}\n";
 326     }
 327
 328     if ($sovpnsettings{KEEPALIVE_1} > 0 && $sovpnsettings{KEEPALIVE_2} > 0) {
 329         print CONF "keepalive $sovpnsettings{'KEEPALIVE_1'} $sovpnsettings{'KEEPALIVE_2'}\n";
 330     }
 331     print CONF "status-version 1\n";
 332     print CONF "status /var/run/ovpnserver.log 30\n";
 333     print CONF "ncp-disable\n";
 334     print CONF "cipher $sovpnsettings{DCIPHER}\n";
 335         print CONF "auth $sovpnsettings{'DAUTH'}\n";
 336
 337     if ($sovpnsettings{'TLSAUTH'} eq 'on') {
 338         print CONF "tls-auth ${General::swroot}/ovpn/certs/ta.key\n";
 339     }
 340     if ($sovpnsettings{DCOMPLZO} eq 'on') {
 341         print CONF "comp-lzo\n";
 342     }
 343     if ($sovpnsettings{REDIRECT_GW_DEF1} eq 'on') {
 344         print CONF "push \"redirect-gateway def1\"\n";
 345     }
 346     if ($sovpnsettings{DHCP_DOMAIN} ne '') {
 347         print CONF "push \"dhcp-option DOMAIN $sovpnsettings{DHCP_DOMAIN}\"\n";
 348     }
 349
 350     if ($sovpnsettings{DHCP_DNS} ne '') {
 351         print CONF "push \"dhcp-option DNS $sovpnsettings{DHCP_DNS}\"\n";
 352     }
 353
 354     if ($sovpnsettings{DHCP_WINS} ne '') {
 355         print CONF "push \"dhcp-option WINS $sovpnsettings{DHCP_WINS}\"\n";
 356     }
 357
 358     if ($sovpnsettings{MAX_CLIENTS} eq '') {
 359         print CONF "max-clients 100\n";
 360     }
 361     if ($sovpnsettings{MAX_CLIENTS} ne '') {
 362         print CONF "max-clients $sovpnsettings{MAX_CLIENTS}\n";
 363     }
 364     print CONF "tls-verify /usr/lib/openvpn/verify\n";
 365     print CONF "crl-verify /var/ipfire/ovpn/crls/cacrl.pem\n";
 366     print CONF "user nobody\n";
 367     print CONF "group nobody\n";
 368     print CONF "persist-key\n";
 369     print CONF "persist-tun\n";
 370         if ($sovpnsettings{LOG_VERB} ne '') {
 371                 print CONF "verb $sovpnsettings{LOG_VERB}\n";
 372         } else {
 373                 print CONF "verb 3\n";
 374         }
 375     # Print server.conf.local if entries exist to server.conf
 376     if ( !-z $local_serverconf  && $sovpnsettings{'ADDITIONAL_CONFIGS'} eq 'on') {
 377        open (LSC, "$local_serverconf");
 378                print CONF "\n#---------------------------\n";
 379                print CONF "# Start of custom directives\n";
 380                print CONF "# from server.conf.local\n";
 381                print CONF "#---------------------------\n\n";
 382        while (<LSC>) {
 383                print CONF $_;
 384        }
 385                print CONF "\n#-----------------------------\n";
 386                print CONF "# End of custom directives\n";
 387                print CONF "#-----------------------------\n";
 388        close (LSC);
 389     }
 390     print CONF "\n";
 391
 392     close(CONF);
 393 }
 394
 395 sub emptyserverlog{
 396     if (open(FILE, ">/var/run/ovpnserver.log")) {
 397         flock FILE, 2;
 398         print FILE "";
 399         close FILE;
 400     }
 401
 402 }
 403
 404 sub delccdnet
 405 {
 406         my %ccdconfhash = ();
 407         my %ccdhash = ();
 408         my $ccdnetname=$_[0];
 409         if (-f "${General::swroot}/ovpn/ovpnconfig"){
 410                 &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%ccdhash);
 411                 foreach my $key (keys %ccdhash) {
 412                         if ($ccdhash{$key}[32] eq $ccdnetname) {
 413                                 $errormessage=$Lang::tr{'ccd err hostinnet'};
 414                                 return;
 415                         }
 416                 }
 417         }
 418         &General::readhasharray("${General::swroot}/ovpn/ccd.conf", \%ccdconfhash);
 419         foreach my $key (keys %ccdconfhash) {
 420                         if ($ccdconfhash{$key}[0] eq $ccdnetname){
 421                                 delete $ccdconfhash{$key};
 422                         }
 423         }
 424         &General::writehasharray("${General::swroot}/ovpn/ccd.conf", \%ccdconfhash);
 425
 426         &writeserverconf;
 427         return 0;
 428 }
 429
 430 sub addccdnet
 431 {
 432         my %ccdconfhash=();
 433         my @ccdconf=();
 434         my $ccdname=$_[0];
 435         my $ccdnet=$_[1];
 436         my $subcidr;
 437         my @ip2=();
 438         my $checkup;
 439         my $ccdip;
 440         my $baseaddress;
 441
 442
 443         #check name
 444         if ($ccdname eq '')
 445         {
 446                 $errormessage=$errormessage.$Lang::tr{'ccd err name'}."<br>";
 447                 return
 448         }
 449
 450         if(!&General::validhostname($ccdname))
 451         {
 452                 $errormessage=$Lang::tr{'ccd err invalidname'};
 453                 return;
 454         }
 455
 456         ($ccdip,$subcidr) = split (/\//,$ccdnet);
 457         $subcidr=&General::iporsubtocidr($subcidr);
 458         #check subnet
 459         if ($subcidr > 30)
 460         {
 461                 $errormessage=$Lang::tr{'ccd err invalidnet'};
 462                 return;
 463         }
 464         #check ip
 465         if (!&General::validipandmask($ccdnet)){
 466                 $errormessage=$Lang::tr{'ccd err invalidnet'};
 467                 return;
 468         }
 469
 470         if (!$errormessage) {
 471                 my %ccdconfhash=();
 472                 $baseaddress=&General::getnetworkip($ccdip,$subcidr);
 473                 &General::readhasharray("${General::swroot}/ovpn/ccd.conf", \%ccdconfhash);
 474                 my $key = &General::findhasharraykey (\%ccdconfhash);
 475                 foreach my $i (0 .. 1) { $ccdconfhash{$key}[$i] = "";}
 476                 $ccdconfhash{$key}[0] = $ccdname;
 477                 $ccdconfhash{$key}[1] = $baseaddress."/".$subcidr;
 478                 &General::writehasharray("${General::swroot}/ovpn/ccd.conf", \%ccdconfhash);
 479                 &writeserverconf;
 480                 $cgiparams{'ccdname'}='';
 481                 $cgiparams{'ccdsubnet'}='';
 482                 return 1;
 483         }
 484 }
 485
 486 sub modccdnet
 487 {
 488
 489         my $newname=$_[0];
 490         my $oldname=$_[1];
 491         my %ccdconfhash=();
 492         my %ccdhash=();
 493         &General::readhasharray("${General::swroot}/ovpn/ccd.conf", \%ccdconfhash);
 494         foreach my $key (keys %ccdconfhash) {
 495                 if ($ccdconfhash{$key}[0] eq $oldname) {
 496                         foreach my $key1 (keys %ccdconfhash) {
 497                                 if ($ccdconfhash{$key1}[0] eq $newname){
 498                                         $errormessage=$errormessage.$Lang::tr{'ccd err netadrexist'};
 499                                         return;
 500                                 }else{
 501                                         $ccdconfhash{$key}[0]= $newname;
 502                                         &General::writehasharray("${General::swroot}/ovpn/ccd.conf", \%ccdconfhash);
 503                                         last;
 504                                 }
 505                         }
 506                 }
 507         }
 508
 509         &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%ccdhash);
 510                 foreach my $key (keys %ccdhash) {
 511                         if ($ccdhash{$key}[32] eq $oldname) {
 512                                 $ccdhash{$key}[32]=$newname;
 513                                 &General::writehasharray("${General::swroot}/ovpn/ovpnconfig", \%ccdhash);
 514                                 last;
 515                         }
 516                 }
 517
 518         return 0;
 519 }
 520 sub ccdmaxclients
 521 {
 522         my $ccdnetwork=$_[0];
 523         my @octets=();
 524         my @subnet=();
 525         @octets=split("\/",$ccdnetwork);
 526         @subnet= split /\./, &General::cidrtosub($octets[1]);
 527         my ($a,$b,$c,$d,$e);
 528         $a=256-$subnet[0];
 529         $b=256-$subnet[1];
 530         $c=256-$subnet[2];
 531         $d=256-$subnet[3];
 532         $e=($a*$b*$c*$d)/4;
 533         return $e-1;
 534 }
 535
 536 sub getccdadresses
 537 {
 538         my $ipin=$_[0];
 539         my ($ip1,$ip2,$ip3,$ip4)=split  /\./, $ipin;
 540         my $cidr=$_[1];
 541         chomp($cidr);
 542         my $count=$_[2];
 543         my $hasip=$_[3];
 544         chomp($hasip);
 545         my @iprange=();
 546         my %ccdhash=();
 547         &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%ccdhash);
 548         $iprange[0]=$ip1.".".$ip2.".".$ip3.".".($ip4+2);
 549         for (my $i=1;$i<=$count;$i++) {
 550                 my $tmpip=$iprange[$i-1];
 551                 my $stepper=$i*4;
 552                 $iprange[$i]= &General::getnextip($tmpip,4);
 553         }
 554         my $r=0;
 555         foreach my $key (keys %ccdhash) {
 556                 $r=0;
 557                 foreach  my $tmp (@iprange){
 558                         my ($net,$sub) = split (/\//,$ccdhash{$key}[33]);
 559                         if ($net eq $tmp) {
 560                                 if ( $hasip ne  $ccdhash{$key}[33] ){
 561                                         splice (@iprange,$r,1);
 562                                 }
 563                         }
 564                         $r++;
 565                 }
 566         }
 567         return @iprange;
 568 }
 569
 570 sub fillselectbox
 571 {
 572         my $boxname=$_[1];
 573         my ($ccdip,$subcidr) = split("/",$_[0]);
 574         my $tz=$_[2];
 575         my @allccdips=&getccdadresses($ccdip,$subcidr,&ccdmaxclients($ccdip."/".$subcidr),$tz);
 576         print"<select name='$boxname' STYLE='font-family : arial; font-size : 9pt; width:130px;' >";
 577         foreach (@allccdips) {
 578                 my $ip=$_."/30";
 579                 chomp($ip);
 580                 print "<option value='$ip' ";
 581                 if ( $ip eq $cgiparams{$boxname} ){
 582                         print"selected";
 583                 }
 584                 print ">$ip</option>";
 585         }
 586         print "</select>";
 587 }
 588
 589 sub hostsinnet
 590 {
 591         my $name=$_[0];
 592         my %ccdhash=();
 593         my $i=0;
 594         &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%ccdhash);
 595         foreach my $key (keys %ccdhash) {
 596                 if ($ccdhash{$key}[32] eq $name){ $i++;}
 597         }
 598         return $i;
 599 }
 600
 601 sub check_routes_push
 602 {
 603                         my $val=$_[0];
 604                         my ($ip,$cidr) = split (/\//, $val);
 605                         ##check for existing routes in routes_push
 606                         if (-e "${General::swroot}/ovpn/routes_push") {
 607                                 open(FILE,"${General::swroot}/ovpn/routes_push");
 608                                 while (<FILE>) {
 609                                         $_=~s/\s*$//g;
 610
 611                                         my ($ip2,$cidr2) = split (/\//,"$_");
 612                                         my $val2=$ip2."/".&General::iporsubtodec($cidr2);
 613
 614                                         if($val eq $val2){
 615                                                 return 0;
 616                                         }
 617                                         #subnetcheck
 618                                         if (&General::IpInSubnet ($ip,$ip2,&General::iporsubtodec($cidr2))){
 619                                                 return 0;
 620                                         }
 621                                 };
 622                                 close(FILE);
 623                         }
 624         return 1;
 625 }
 626
 627 sub check_ccdroute
 628 {
 629         my %ccdroutehash=();
 630         my $val=$_[0];
 631         my ($ip,$cidr) = split (/\//, $val);
 632         #check for existing routes in ccdroute
 633         &General::readhasharray("${General::swroot}/ovpn/ccdroute", \%ccdroutehash);
 634         foreach my $key (keys %ccdroutehash) {
 635                 foreach my $i (1 .. $#{$ccdroutehash{$key}}) {
 636                         if (&General::iporsubtodec($val) eq $ccdroutehash{$key}[$i] && $ccdroutehash{$key}[0] ne $cgiparams{'NAME'}){
 637                                 return 0;
 638                         }
 639                         my ($ip2,$cidr2) = split (/\//,$ccdroutehash{$key}[$i]);
 640                         #subnetcheck
 641                         if (&General::IpInSubnet ($ip,$ip2,$cidr2)&& $ccdroutehash{$key}[0] ne $cgiparams{'NAME'} ){
 642                                 return 0;
 643                         }
 644                 }
 645         }
 646         return 1;
 647 }
 648 sub check_ccdconf
 649 {
 650         my %ccdconfhash=();
 651         my $val=$_[0];
 652         my ($ip,$cidr) = split (/\//, $val);
 653         #check for existing routes in ccdroute
 654         &General::readhasharray("${General::swroot}/ovpn/ccd.conf", \%ccdconfhash);
 655         foreach my $key (keys %ccdconfhash) {
 656                 if (&General::iporsubtocidr($val) eq $ccdconfhash{$key}[1]){
 657                                 return 0;
 658                         }
 659                         my ($ip2,$cidr2) = split (/\//,$ccdconfhash{$key}[1]);
 660                         #subnetcheck
 661                         if (&General::IpInSubnet ($ip,$ip2,&General::cidrtosub($cidr2))){
 662                                 return 0;
 663                         }
 664
 665         }
 666         return 1;
 667 }
 668
 669 ###
 670 # m.a.d net2net
 671 ###
 672
 673 sub validdotmask
 674 {
 675         my $ipdotmask = $_[0];
 676         if (&General::validip($ipdotmask)) { return 0; }
 677         if (!($ipdotmask =~ /^(.*?)\/(.*?)$/)) {  }
 678         my $mask = $2;
 679         if (($mask =~ /\./ )) { return 0; }
 680   return 1;
 681 }
 682
 683 # -------------------------------------------------------------------
 684
 685 sub write_routepushfile
 686 {
 687         open(FILE, ">$routes_push_file");
 688         flock(FILE, 2);
 689         if ($vpnsettings{'ROUTES_PUSH'} ne '') {
 690                 print FILE $vpnsettings{'ROUTES_PUSH'};
 691         }
 692         close(FILE);
 693 }
 694
 695 sub read_routepushfile
 696 {
 697         if (-e "$routes_push_file") {
 698                 open(FILE,"$routes_push_file");
 699                 delete $vpnsettings{'ROUTES_PUSH'};
 700                 while (<FILE>) { $vpnsettings{'ROUTES_PUSH'} .= $_ };
 701                 close(FILE);
 702                 $cgiparams{'ROUTES_PUSH'} = $vpnsettings{'ROUTES_PUSH'};
 703
 704         }
 705 }
 706
 707 sub writecollectdconf {
 708         my $vpncollectd;
 709         my %ccdhash=();
 710
 711         open(COLLECTDVPN, ">${General::swroot}/ovpn/collectd.vpn") or die "Unable to open collectd.vpn: $!";
 712         print COLLECTDVPN "Loadplugin openvpn\n";
 713         print COLLECTDVPN "\n";
 714         print COLLECTDVPN "<Plugin openvpn>\n";
 715         print COLLECTDVPN "Statusfile \"/var/run/ovpnserver.log\"\n";
 716
 717         &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%ccdhash);
 718         foreach my $key (keys %ccdhash) {
 719                 if ($ccdhash{$key}[0] eq 'on' && $ccdhash{$key}[3] eq 'net') {
 720                         print COLLECTDVPN "Statusfile \"/var/run/openvpn/$ccdhash{$key}[1]-n2n\"\n";
 721                 }
 722         }
 723
 724         print COLLECTDVPN "</Plugin>\n";
 725         close(COLLECTDVPN);
 726
 727         # Reload collectd afterwards
 728         system("/usr/local/bin/collectdctrl restart &>/dev/null");
 729 }
 730
 731 #hier die refresh page
 732 if ( -e "${General::swroot}/ovpn/gencanow") {
 733     my $refresh = '';
 734     $refresh = "<meta http-equiv='refresh' content='15;' />";
 735     &Header::showhttpheaders();
 736     &Header::openpage($Lang::tr{'OVPN'}, 1, $refresh);
 737     &Header::openbigbox('100%', 'center');
 738     &Header::openbox('100%', 'left', "$Lang::tr{'generate root/host certificates'}:");
 739     print "<tr>\n<td align='center'><img src='/images/clock.gif' alt='' /></td>\n";
 740     print "<td colspan='2'><font color='red'>Please be patient this realy can take some time on older hardware...</font></td></tr>\n";
 741     &Header::closebox();
 742     &Header::closebigbox();
 743     &Header::closepage();
 744     exit (0);
 745 }
 746 ##hier die refresh page
 747
 748
 749 ###
 750 ### OpenVPN Server Control
 751 ###
 752 if ($cgiparams{'ACTION'} eq $Lang::tr{'start ovpn server'} ||
 753     $cgiparams{'ACTION'} eq $Lang::tr{'stop ovpn server'} ||
 754     $cgiparams{'ACTION'} eq $Lang::tr{'restart ovpn server'}) {
 755     #start openvpn server
 756     if ($cgiparams{'ACTION'} eq $Lang::tr{'start ovpn server'}){
 757         &emptyserverlog();
 758         system('/usr/local/bin/openvpnctrl', '-s');
 759     }
 760     #stop openvpn server
 761     if ($cgiparams{'ACTION'} eq $Lang::tr{'stop ovpn server'}){
 762         system('/usr/local/bin/openvpnctrl', '-k');
 763         &emptyserverlog();
 764     }
 765 #    #restart openvpn server
 766 #    if ($cgiparams{'ACTION'} eq $Lang::tr{'restart ovpn server'}){
 767 #workarund, till SIGHUP also works when running as nobody
 768 #       system('/usr/local/bin/openvpnctrl', '-r');
 769 #       &emptyserverlog();
 770 #    }
 771 }
 772
 773 ###
 774 ### Save Advanced options
 775 ###
 776
 777 if ($cgiparams{'ACTION'} eq $Lang::tr{'save-adv-options'}) {
 778     &General::readhash("${General::swroot}/ovpn/settings", \%vpnsettings);
 779     #DAN do we really need (to to check) this value? Besides if we listen on blue and orange too,
 780     #DAN this value has to leave.
 781 #new settings for daemon
 782     $vpnsettings{'LOG_VERB'} = $cgiparams{'LOG_VERB'};
 783     $vpnsettings{'KEEPALIVE_1'} = $cgiparams{'KEEPALIVE_1'};
 784     $vpnsettings{'KEEPALIVE_2'} = $cgiparams{'KEEPALIVE_2'};
 785     $vpnsettings{'MAX_CLIENTS'} = $cgiparams{'MAX_CLIENTS'};
 786     $vpnsettings{'REDIRECT_GW_DEF1'} = $cgiparams{'REDIRECT_GW_DEF1'};
 787     $vpnsettings{'CLIENT2CLIENT'} = $cgiparams{'CLIENT2CLIENT'};
 788     $vpnsettings{'DCOMPLZO'} = $cgiparams{'DCOMPLZO'};
 789     $vpnsettings{'ADDITIONAL_CONFIGS'} = $cgiparams{'ADDITIONAL_CONFIGS'};
 790     $vpnsettings{'DHCP_DOMAIN'} = $cgiparams{'DHCP_DOMAIN'};
 791     $vpnsettings{'DHCP_DNS'} = $cgiparams{'DHCP_DNS'};
 792     $vpnsettings{'DHCP_WINS'} = $cgiparams{'DHCP_WINS'};
 793     $vpnsettings{'ROUTES_PUSH'} = $cgiparams{'ROUTES_PUSH'};
 794     my @temp=();
 795
 796     if ($cgiparams{'FRAGMENT'} eq '') {
 797         delete $vpnsettings{'FRAGMENT'};
 798     } else {
 799         if ($cgiparams{'FRAGMENT'} !~ /^[0-9]+$/) {
 800             $errormessage = "Incorrect value, please insert only numbers.";
 801         goto ADV_ERROR;
 802                 } else {
 803                         $vpnsettings{'FRAGMENT'} = $cgiparams{'FRAGMENT'};
 804         }
 805     }
 806
 807     if ($cgiparams{'MSSFIX'} ne 'on') {
 808         delete $vpnsettings{'MSSFIX'};
 809     } else {
 810         $vpnsettings{'MSSFIX'} = $cgiparams{'MSSFIX'};
 811     }
 812
 813     if ($cgiparams{'DHCP_DOMAIN'} ne ''){
 814         unless (&General::validdomainname($cgiparams{'DHCP_DOMAIN'}) || &General::validip($cgiparams{'DHCP_DOMAIN'})) {
 815                 $errormessage = $Lang::tr{'invalid input for dhcp domain'};
 816         goto ADV_ERROR;
 817         }
 818     }
 819     if ($cgiparams{'DHCP_DNS'} ne ''){
 820         unless (&General::validfqdn($cgiparams{'DHCP_DNS'}) || &General::validip($cgiparams{'DHCP_DNS'})) {
 821                 $errormessage = $Lang::tr{'invalid input for dhcp dns'};
 822         goto ADV_ERROR;
 823         }
 824     }
 825     if ($cgiparams{'DHCP_WINS'} ne ''){
 826         unless (&General::validfqdn($cgiparams{'DHCP_WINS'}) || &General::validip($cgiparams{'DHCP_WINS'})) {
 827                 $errormessage = $Lang::tr{'invalid input for dhcp wins'};
 828                 goto ADV_ERROR;
 829         }
 830     }
 831     if ($cgiparams{'ROUTES_PUSH'} ne ''){
 832         @temp = split(/\n/,$cgiparams{'ROUTES_PUSH'});
 833         undef $vpnsettings{'ROUTES_PUSH'};
 834
 835         foreach my $tmpip (@temp)
 836         {
 837                 s/^\s+//g; s/\s+$//g;
 838
 839                 if ($tmpip)
 840                 {
 841                         $tmpip=~s/\s*$//g;
 842                         unless (&General::validipandmask($tmpip)) {
 843                                 $errormessage = "$tmpip ".$Lang::tr{'ovpn errmsg invalid ip or mask'};
 844                                 goto ADV_ERROR;
 845                         }
 846                         my ($ip, $cidr) = split("\/",&General::ipcidr2msk($tmpip));
 847
 848                         if ($ip eq $netsettings{'GREEN_NETADDRESS'} && $cidr eq $netsettings{'GREEN_NETMASK'}) {
 849                                 $errormessage = $Lang::tr{'ovpn errmsg green already pushed'};
 850                                 goto ADV_ERROR;
 851                         }
 852 # a.marx ccd
 853                         my %ccdroutehash=();
 854                         &General::readhasharray("${General::swroot}/ovpn/ccdroute", \%ccdroutehash);
 855                         foreach my $key (keys %ccdroutehash) {
 856                                 foreach my $i (1 .. $#{$ccdroutehash{$key}}) {
 857                                         if ( $ip."/".$cidr eq $ccdroutehash{$key}[$i] ){
 858                                                 $errormessage="Route $ip\/$cidr ".$Lang::tr{'ccd err inuse'}." $ccdroutehash{$key}[0]" ;
 859                                                 goto ADV_ERROR;
 860                                         }
 861                                         my ($ip2,$cidr2) = split(/\//,$ccdroutehash{$key}[$i]);
 862                                         if (&General::IpInSubnet ($ip,$ip2,$cidr2)){
 863                                                 $errormessage="Route $ip\/$cidr ".$Lang::tr{'ccd err inuse'}." $ccdroutehash{$key}[0]" ;
 864                                                 goto ADV_ERROR;
 865                                         }
 866                                 }
 867                         }
 868
 869 # ccd end
 870
 871                         $vpnsettings{'ROUTES_PUSH'} .= $tmpip."\n";
 872                 }
 873         }
 874     &write_routepushfile;
 875         undef $vpnsettings{'ROUTES_PUSH'};
 876     }
 877         else {
 878         undef $vpnsettings{'ROUTES_PUSH'};
 879         &write_routepushfile;
 880     }
 881     if ((length($cgiparams{'MAX_CLIENTS'}) == 0) || (($cgiparams{'MAX_CLIENTS'}) < 1 ) || (($cgiparams{'MAX_CLIENTS'}) > 255 )) {
 882         $errormessage = $Lang::tr{'invalid input for max clients'};
 883         goto ADV_ERROR;
 884     }
 885     if ($cgiparams{'KEEPALIVE_1'} ne '') {
 886         if ($cgiparams{'KEEPALIVE_1'} !~ /^[0-9]+$/) {
 887             $errormessage = $Lang::tr{'invalid input for keepalive 1'};
 888         goto ADV_ERROR;
 889         }
 890     }
 891     if ($cgiparams{'KEEPALIVE_2'} ne ''){
 892         if ($cgiparams{'KEEPALIVE_2'} !~ /^[0-9]+$/) {
 893             $errormessage = $Lang::tr{'invalid input for keepalive 2'};
 894         goto ADV_ERROR;
 895         }
 896     }
 897     if ($cgiparams{'KEEPALIVE_2'} < ($cgiparams{'KEEPALIVE_1'} * 2)){
 898         $errormessage = $Lang::tr{'invalid input for keepalive 1:2'};
 899         goto ADV_ERROR;
 900     }
 901     &General::writehash("${General::swroot}/ovpn/settings", \%vpnsettings);
 902     &writeserverconf();#hier ok
 903 }
 904
 905 ###
 906 # m.a.d net2net
 907 ###
 908
 909 if ($cgiparams{'ACTION'} eq $Lang::tr{'save'} && $cgiparams{'TYPE'} eq 'net' && $cgiparams{'SIDE'} eq 'server')
 910 {
 911
 912 my @remsubnet = split(/\//,$cgiparams{'REMOTE_SUBNET'});
 913 my @ovsubnettemp =  split(/\./,$cgiparams{'OVPN_SUBNET'});
 914 my $ovsubnet =  "$ovsubnettemp[0].$ovsubnettemp[1].$ovsubnettemp[2]";
 915 my $tunmtu =  '';
 916
 917 unless(-d "${General::swroot}/ovpn/n2nconf/"){mkdir "${General::swroot}/ovpn/n2nconf", 0755 or die "Unable to create dir $!";}
 918 unless(-d "${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}"){mkdir "${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}", 0770 or die "Unable to create dir $!";}
 919
 920   open(SERVERCONF,    ">${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}/$cgiparams{'NAME'}.conf") or die "Unable to open ${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}/$cgiparams{'NAME'}.conf: $!";
 921
 922   flock SERVERCONF, 2;
 923   print SERVERCONF "# IPFire n2n Open VPN Server Config by ummeegge und m.a.d\n";
 924   print SERVERCONF "\n";
 925   print SERVERCONF "# User Security\n";
 926   print SERVERCONF "user nobody\n";
 927   print SERVERCONF "group nobody\n";
 928   print SERVERCONF "persist-tun\n";
 929   print SERVERCONF "persist-key\n";
 930   print SERVERCONF "script-security 2\n";
 931   print SERVERCONF "# IP/DNS for remote Server Gateway\n";
 932
 933   if ($cgiparams{'REMOTE'} ne '') {
 934   print SERVERCONF "remote $cgiparams{'REMOTE'}\n";
 935   }
 936
 937   print SERVERCONF "float\n";
 938   print SERVERCONF "# IP adresses of the VPN Subnet\n";
 939   print SERVERCONF "ifconfig $ovsubnet.1 $ovsubnet.2\n";
 940   print SERVERCONF "# Client Gateway Network\n";
 941   print SERVERCONF "route $remsubnet[0] $remsubnet[1]\n";
 942   print SERVERCONF "up \"/etc/init.d/static-routes start\"\n";
 943   print SERVERCONF "# tun Device\n";
 944   print SERVERCONF "dev tun\n";
 945   print SERVERCONF "#Logfile for statistics\n";
 946   print SERVERCONF "status-version 1\n";
 947   print SERVERCONF "status /var/run/openvpn/$cgiparams{'NAME'}-n2n 10\n";
 948   print SERVERCONF "# Port and Protokol\n";
 949   print SERVERCONF "port $cgiparams{'DEST_PORT'}\n";
 950
 951   if ($cgiparams{'PROTOCOL'} eq 'tcp') {
 952   print SERVERCONF "proto tcp-server\n";
 953   print SERVERCONF "# Packet size\n";
 954   if ($cgiparams{'MTU'} eq '') {$tunmtu = '1400'} else {$tunmtu = $cgiparams{'MTU'}};
 955   print SERVERCONF "tun-mtu $tunmtu\n";
 956   }
 957
 958   if ($cgiparams{'PROTOCOL'} eq 'udp') {
 959   print SERVERCONF "proto udp\n";
 960   print SERVERCONF "# Paketsize\n";
 961   if ($cgiparams{'MTU'} eq '') {$tunmtu = '1500'} else {$tunmtu = $cgiparams{'MTU'}};
 962   print SERVERCONF "tun-mtu $tunmtu\n";
 963   if ($cgiparams{'FRAGMENT'} ne '') {print SERVERCONF "fragment $cgiparams{'FRAGMENT'}\n";}
 964   if ($cgiparams{'MSSFIX'} eq 'on') {print SERVERCONF "mssfix\n"; };
 965   }
 966
 967   print SERVERCONF "# Auth. Server\n";
 968   print SERVERCONF "tls-server\n";
 969   print SERVERCONF "ca ${General::swroot}/ovpn/ca/cacert.pem\n";
 970   print SERVERCONF "cert ${General::swroot}/ovpn/certs/servercert.pem\n";
 971   print SERVERCONF "key ${General::swroot}/ovpn/certs/serverkey.pem\n";
 972   print SERVERCONF "dh ${General::swroot}/ovpn/ca/$cgiparams{'DH_NAME'}\n";
 973   print SERVERCONF "# Cipher\n";
 974   print SERVERCONF "cipher $cgiparams{'DCIPHER'}\n";
 975
 976   # If GCM cipher is used, do not use --auth
 977   if (($cgiparams{'DCIPHER'} eq 'AES-256-GCM') ||
 978       ($cgiparams{'DCIPHER'} eq 'AES-192-GCM') ||
 979       ($cgiparams{'DCIPHER'} eq 'AES-128-GCM')) {
 980     print SERVERCONF unless "# HMAC algorithm\n";
 981     print SERVERCONF unless "auth $cgiparams{'DAUTH'}\n";
 982   } else {
 983     print SERVERCONF "# HMAC algorithm\n";
 984     print SERVERCONF "auth $cgiparams{'DAUTH'}\n";
 985   }
 986
 987   if ($cgiparams{'COMPLZO'} eq 'on') {
 988    print SERVERCONF "# Enable Compression\n";
 989    print SERVERCONF "comp-lzo\n";
 990      }
 991   print SERVERCONF "# Debug Level\n";
 992   print SERVERCONF "verb 3\n";
 993   print SERVERCONF "# Tunnel check\n";
 994   print SERVERCONF "keepalive 10 60\n";
 995   print SERVERCONF "# Start as daemon\n";
 996   print SERVERCONF "daemon $cgiparams{'NAME'}n2n\n";
 997   print SERVERCONF "writepid /var/run/$cgiparams{'NAME'}n2n.pid\n";
 998   print SERVERCONF "# Activate Management Interface and Port\n";
 999   if ($cgiparams{'OVPN_MGMT'} eq '') {print SERVERCONF "management localhost $cgiparams{'DEST_PORT'}\n"}
1000   else {print SERVERCONF "management localhost $cgiparams{'OVPN_MGMT'}\n"};
1001   close(SERVERCONF);
1002
1003 }
1004
1005 ###
1006 # m.a.d net2net
1007 ###
1008
1009 if ($cgiparams{'ACTION'} eq $Lang::tr{'save'} && $cgiparams{'TYPE'} eq 'net' && $cgiparams{'SIDE'} eq 'client')
1010 {
1011
1012         my @ovsubnettemp =  split(/\./,$cgiparams{'OVPN_SUBNET'});
1013         my $ovsubnet =  "$ovsubnettemp[0].$ovsubnettemp[1].$ovsubnettemp[2]";
1014         my @remsubnet =  split(/\//,$cgiparams{'REMOTE_SUBNET'});
1015         my $tunmtu =  '';
1016
1017 unless(-d "${General::swroot}/ovpn/n2nconf/"){mkdir "${General::swroot}/ovpn/n2nconf", 0755 or die "Unable to create dir $!";}
1018 unless(-d "${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}"){mkdir "${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}", 0770 or die "Unable to create dir $!";}
1019
1020   open(CLIENTCONF,    ">${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}/$cgiparams{'NAME'}.conf") or die "Unable to open ${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}/$cgiparams{'NAME'}.conf: $!";
1021
1022   flock CLIENTCONF, 2;
1023   print CLIENTCONF "# IPFire rewritten n2n Open VPN Client Config by ummeegge und m.a.d\n";
1024   print CLIENTCONF "#\n";
1025   print CLIENTCONF "# User Security\n";
1026   print CLIENTCONF "user nobody\n";
1027   print CLIENTCONF "group nobody\n";
1028   print CLIENTCONF "persist-tun\n";
1029   print CLIENTCONF "persist-key\n";
1030   print CLIENTCONF "script-security 2\n";
1031   print CLIENTCONF "# IP/DNS for remote Server Gateway\n";
1032   print CLIENTCONF "remote $cgiparams{'REMOTE'}\n";
1033   print CLIENTCONF "float\n";
1034   print CLIENTCONF "# IP adresses of the VPN Subnet\n";
1035   print CLIENTCONF "ifconfig $ovsubnet.2 $ovsubnet.1\n";
1036   print CLIENTCONF "# Server Gateway Network\n";
1037   print CLIENTCONF "route $remsubnet[0] $remsubnet[1]\n";
1038   print CLIENTCONF "up \"/etc/init.d/static-routes start\"\n";
1039   print CLIENTCONF "# tun Device\n";
1040   print CLIENTCONF "dev tun\n";
1041   print CLIENTCONF "#Logfile for statistics\n";
1042   print CLIENTCONF "status-version 1\n";
1043   print CLIENTCONF "status /var/run/openvpn/$cgiparams{'NAME'}-n2n 10\n";
1044   print CLIENTCONF "# Port and Protokol\n";
1045   print CLIENTCONF "port $cgiparams{'DEST_PORT'}\n";
1046
1047   if ($cgiparams{'PROTOCOL'} eq 'tcp') {
1048   print CLIENTCONF "proto tcp-client\n";
1049   print CLIENTCONF "# Packet size\n";
1050   if ($cgiparams{'MTU'} eq '') {$tunmtu = '1400'} else {$tunmtu = $cgiparams{'MTU'}};
1051   print CLIENTCONF "tun-mtu $tunmtu\n";
1052   }
1053
1054   if ($cgiparams{'PROTOCOL'} eq 'udp') {
1055   print CLIENTCONF "proto udp\n";
1056   print CLIENTCONF "# Paketsize\n";
1057   if ($cgiparams{'MTU'} eq '') {$tunmtu = '1500'} else {$tunmtu = $cgiparams{'MTU'}};
1058   print CLIENTCONF "tun-mtu $tunmtu\n";
1059   if ($cgiparams{'FRAGMENT'} ne '') {print CLIENTCONF "fragment $cgiparams{'FRAGMENT'}\n";}
1060   if ($cgiparams{'MSSFIX'} eq 'on') {print CLIENTCONF "mssfix\n"; };
1061   }
1062
1063   # Check host certificate if X509 is RFC3280 compliant.
1064   # If not, old --ns-cert-type directive will be used.
1065   # If appropriate key usage extension exists, new --remote-cert-tls directive will be used.
1066   my $hostcert = `/usr/bin/openssl x509 -text -in ${General::swroot}/ovpn/certs/servercert.pem`;
1067   if ($hostcert !~ /TLS Web Server Authentication/) {
1068        print CLIENTCONF "ns-cert-type server\n";
1069   } else {
1070        print CLIENTCONF "remote-cert-tls server\n";
1071   }
1072   print CLIENTCONF "# Auth. Client\n";
1073   print CLIENTCONF "tls-client\n";
1074   print CLIENTCONF "# Cipher\n";
1075   print CLIENTCONF "cipher $cgiparams{'DCIPHER'}\n";
1076   print CLIENTCONF "pkcs12 ${General::swroot}/ovpn/certs/$cgiparams{'NAME'}.p12\r\n";
1077
1078   # If GCM cipher is used, do not use --auth
1079   if (($cgiparams{'DCIPHER'} eq 'AES-256-GCM') ||
1080       ($cgiparams{'DCIPHER'} eq 'AES-192-GCM') ||
1081       ($cgiparams{'DCIPHER'} eq 'AES-128-GCM')) {
1082     print CLIENTCONF unless "# HMAC algorithm\n";
1083     print CLIENTCONF unless "auth $cgiparams{'DAUTH'}\n";
1084   } else {
1085     print CLIENTCONF "# HMAC algorithm\n";
1086     print CLIENTCONF "auth $cgiparams{'DAUTH'}\n";
1087   }
1088
1089   if ($cgiparams{'COMPLZO'} eq 'on') {
1090    print CLIENTCONF "# Enable Compression\n";
1091    print CLIENTCONF "comp-lzo\n";
1092   }
1093   print CLIENTCONF "# Debug Level\n";
1094   print CLIENTCONF "verb 3\n";
1095   print CLIENTCONF "# Tunnel check\n";
1096   print CLIENTCONF "keepalive 10 60\n";
1097   print CLIENTCONF "# Start as daemon\n";
1098   print CLIENTCONF "daemon $cgiparams{'NAME'}n2n\n";
1099   print CLIENTCONF "writepid /var/run/$cgiparams{'NAME'}n2n.pid\n";
1100   print CLIENTCONF "# Activate Management Interface and Port\n";
1101   if ($cgiparams{'OVPN_MGMT'} eq '') {print CLIENTCONF "management localhost $cgiparams{'DEST_PORT'}\n"}
1102   else {print CLIENTCONF "management localhost $cgiparams{'OVPN_MGMT'}\n"};
1103   close(CLIENTCONF);
1104
1105 }
1106
1107 ###
1108 ### Save main settings
1109 ###
1110
1111 if ($cgiparams{'ACTION'} eq $Lang::tr{'save'} && $cgiparams{'TYPE'} eq '' && $cgiparams{'KEY'} eq '') {
1112     &General::readhash("${General::swroot}/ovpn/settings", \%vpnsettings);
1113     #DAN do we really need (to to check) this value? Besides if we listen on blue and orange too,
1114     #DAN this value has to leave.
1115     if ($cgiparams{'ENABLED'} eq 'on'){
1116         unless (&General::validfqdn($cgiparams{'VPN_IP'}) || &General::validip($cgiparams{'VPN_IP'})) {
1117                 $errormessage = $Lang::tr{'invalid input for hostname'};
1118         goto SETTINGS_ERROR;
1119         }
1120     }
1121
1122     if (! &General::validipandmask($cgiparams{'DOVPN_SUBNET'})) {
1123             $errormessage = $Lang::tr{'ovpn subnet is invalid'};
1124                         goto SETTINGS_ERROR;
1125     }
1126     my @tmpovpnsubnet = split("\/",$cgiparams{'DOVPN_SUBNET'});
1127
1128     if (&General::IpInSubnet ( $netsettings{'RED_ADDRESS'},
1129         $tmpovpnsubnet[0], $tmpovpnsubnet[1])) {
1130         $errormessage = "$Lang::tr{'ovpn subnet overlap'} IPFire RED Network $netsettings{'RED_ADDRESS'}";
1131         goto SETTINGS_ERROR;
1132     }
1133
1134     if (&General::IpInSubnet ( $netsettings{'GREEN_ADDRESS'},
1135         $tmpovpnsubnet[0], $tmpovpnsubnet[1])) {
1136         $errormessage = "$Lang::tr{'ovpn subnet overlap'} IPFire Green Network $netsettings{'GREEN_ADDRESS'}";
1137         goto SETTINGS_ERROR;
1138     }
1139
1140     if (&General::IpInSubnet ( $netsettings{'BLUE_ADDRESS'},
1141         $tmpovpnsubnet[0], $tmpovpnsubnet[1])) {
1142         $errormessage = "$Lang::tr{'ovpn subnet overlap'} IPFire Blue Network $netsettings{'BLUE_ADDRESS'}";
1143         goto SETTINGS_ERROR;
1144     }
1145
1146     if (&General::IpInSubnet ( $netsettings{'ORANGE_ADDRESS'},
1147         $tmpovpnsubnet[0], $tmpovpnsubnet[1])) {
1148         $errormessage = "$Lang::tr{'ovpn subnet overlap'} IPFire Orange Network $netsettings{'ORANGE_ADDRESS'}";
1149         goto SETTINGS_ERROR;
1150     }
1151     open(ALIASES, "${General::swroot}/ethernet/aliases") or die 'Unable to open aliases file.';
1152     while (<ALIASES>)
1153     {
1154         chomp($_);
1155         my @tempalias = split(/\,/,$_);
1156         if ($tempalias[1] eq 'on') {
1157             if (&General::IpInSubnet ($tempalias[0] ,
1158                 $tmpovpnsubnet[0], $tmpovpnsubnet[1])) {
1159                 $errormessage = "$Lang::tr{'ovpn subnet overlap'} IPFire alias entry $tempalias[0]";
1160             }
1161         }
1162     }
1163     close(ALIASES);
1164     if ($errormessage ne ''){
1165         goto SETTINGS_ERROR;
1166     }
1167     if ($cgiparams{'ENABLED'} !~ /^(on|off)$/) {
1168         $errormessage = $Lang::tr{'invalid input'};
1169         goto SETTINGS_ERROR;
1170     }
1171     if ((length($cgiparams{'DMTU'})==0) || (($cgiparams{'DMTU'}) < 1000 )) {
1172         $errormessage = $Lang::tr{'invalid mtu input'};
1173         goto SETTINGS_ERROR;
1174     }
1175
1176     unless (&General::validport($cgiparams{'DDEST_PORT'})) {
1177         $errormessage = $Lang::tr{'invalid port'};
1178         goto SETTINGS_ERROR;
1179     }
1180
1181         # Create ta.key for tls-auth if not presant
1182         if ($cgiparams{'TLSAUTH'} eq 'on') {
1183                 if ( ! -e "${General::swroot}/ovpn/certs/ta.key") {
1184                         system('/usr/sbin/openvpn', '--genkey', '--secret', "${General::swroot}/ovpn/certs/ta.key");
1185                         if ($?) {
1186                                 $errormessage = "$Lang::tr{'openssl produced an error'}: $?";
1187                                 goto SETTINGS_ERROR;
1188                         }
1189                 }
1190         }
1191
1192     $vpnsettings{'ENABLED_BLUE'} = $cgiparams{'ENABLED_BLUE'};
1193     $vpnsettings{'ENABLED_ORANGE'} =$cgiparams{'ENABLED_ORANGE'};
1194     $vpnsettings{'ENABLED'} = $cgiparams{'ENABLED'};
1195     $vpnsettings{'VPN_IP'} = $cgiparams{'VPN_IP'};
1196 #new settings for daemon
1197     $vpnsettings{'DOVPN_SUBNET'} = $cgiparams{'DOVPN_SUBNET'};
1198     $vpnsettings{'DPROTOCOL'} = $cgiparams{'DPROTOCOL'};
1199     $vpnsettings{'DDEST_PORT'} = $cgiparams{'DDEST_PORT'};
1200     $vpnsettings{'DMTU'} = $cgiparams{'DMTU'};
1201     $vpnsettings{'DCOMPLZO'} = $cgiparams{'DCOMPLZO'};
1202     $vpnsettings{'DCIPHER'} = $cgiparams{'DCIPHER'};
1203     $vpnsettings{'DAUTH'} = $cgiparams{'DAUTH'};
1204     $vpnsettings{'TLSAUTH'} = $cgiparams{'TLSAUTH'};
1205 #wrtie enable
1206
1207   if ( $vpnsettings{'ENABLED_BLUE'} eq 'on' ) {system("touch ${General::swroot}/ovpn/enable_blue 2>/dev/null");}else{system("unlink ${General::swroot}/ovpn/enable_blue 2>/dev/null");}
1208   if ( $vpnsettings{'ENABLED_ORANGE'} eq 'on' ) {system("touch ${General::swroot}/ovpn/enable_orange 2>/dev/null");}else{system("unlink ${General::swroot}/ovpn/enable_orange 2>/dev/null");}
1209   if ( $vpnsettings{'ENABLED'} eq 'on' ) {system("touch ${General::swroot}/ovpn/enable 2>/dev/null");}else{system("unlink ${General::swroot}/ovpn/enable 2>/dev/null");}
1210 #new settings for daemon
1211     &General::writehash("${General::swroot}/ovpn/settings", \%vpnsettings);
1212     &writeserverconf();#hier ok
1213 SETTINGS_ERROR:
1214 ###
1215 ### Reset all step 2
1216 ###
1217 }elsif ($cgiparams{'ACTION'} eq $Lang::tr{'remove x509'} && $cgiparams{'AREUSURE'} eq 'yes') {
1218     my $file = '';
1219     &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
1220
1221     # Kill all N2N connections
1222     system("/usr/local/bin/openvpnctrl -kn2n &>/dev/null");
1223
1224     foreach my $key (keys %confighash) {
1225         my $name = $confighash{$cgiparams{'$key'}}[1];
1226
1227         if ($confighash{$key}[4] eq 'cert') {
1228             delete $confighash{$cgiparams{'$key'}};
1229         }
1230
1231         system ("/usr/local/bin/openvpnctrl -drrd $name &>/dev/null");
1232     }
1233     while ($file = glob("${General::swroot}/ovpn/ca/*")) {
1234         unlink $file;
1235     }
1236     while ($file = glob("${General::swroot}/ovpn/certs/*")) {
1237         unlink $file;
1238     }
1239     while ($file = glob("${General::swroot}/ovpn/crls/*")) {
1240         unlink $file;
1241     }
1242         &cleanssldatabase();
1243     if (open(FILE, ">${General::swroot}/ovpn/caconfig")) {
1244         print FILE "";
1245         close FILE;
1246     }
1247     if (open(FILE, ">${General::swroot}/ovpn/ccdroute")) {
1248         print FILE "";
1249         close FILE;
1250     }
1251     if (open(FILE, ">${General::swroot}/ovpn/ccdroute2")) {
1252         print FILE "";
1253         close FILE;
1254     }
1255     while ($file = glob("${General::swroot}/ovpn/ccd/*")) {
1256         unlink $file
1257     }
1258     while ($file = glob("${General::swroot}/ovpn/ccd/*")) {
1259         unlink $file
1260     }
1261     if (open(FILE, ">${General::swroot}/ovpn/ovpn-leases.db")) {
1262         print FILE "";
1263         close FILE;
1264     }
1265     if (open(FILE, ">${General::swroot}/ovpn/ovpnconfig")) {
1266         print FILE "";
1267         close FILE;
1268     }
1269     while ($file = glob("${General::swroot}/ovpn/n2nconf/*")) {
1270         system ("rm -rf $file");
1271     }
1272
1273     # Remove everything from the collectd configuration
1274     &writecollectdconf();
1275
1276     #&writeserverconf();
1277 ###
1278 ### Reset all step 1
1279 ###
1280 }elsif ($cgiparams{'ACTION'} eq $Lang::tr{'remove x509'}) {
1281     &Header::showhttpheaders();
1282     &Header::openpage($Lang::tr{'ovpn'}, 1, '');
1283     &Header::openbigbox('100%', 'left', '', '');
1284     &Header::openbox('100%', 'left', $Lang::tr{'are you sure'});
1285     print <<END;
1286         <form method='post'>
1287                 <table width='100%'>
1288                         <tr>
1289                                 <td align='center'>
1290                                 <input type='hidden' name='AREUSURE' value='yes' />
1291                                 <b><font color='${Header::colourred}'>$Lang::tr{'capswarning'}</font></b>:
1292                                 $Lang::tr{'resetting the vpn configuration will remove the root ca, the host certificate and all certificate based connections'}</td>
1293                         </tr>
1294                         <tr>
1295                                 <td align='center'><input type='submit' name='ACTION' value='$Lang::tr{'remove x509'}' />
1296                                 <input type='submit' name='ACTION' value='$Lang::tr{'cancel'}' /></td>
1297                         </tr>
1298                 </table>
1299         </form>
1300 END
1301     ;
1302     &Header::closebox();
1303     &Header::closebigbox();
1304     &Header::closepage();
1305     exit (0);
1306
1307 ###
1308 ### Generate DH key step 2
1309 ###
1310 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'generate dh key'} && $cgiparams{'AREUSURE'} eq 'yes') {
1311     # Delete if old key exists
1312     if (-f "${General::swroot}/ovpn/ca/$cgiparams{'DH_NAME'}") {
1313         unlink "${General::swroot}/ovpn/ca/$cgiparams{'DH_NAME'}";
1314         }
1315         # Create Diffie Hellmann Parameter
1316         system('/usr/bin/openssl', 'dhparam', '-out', "${General::swroot}/ovpn/ca/dh1024.pem", "$cgiparams{'DHLENGHT'}");
1317         if ($?) {
1318                 $errormessage = "$Lang::tr{'openssl produced an error'}: $?";
1319                 unlink ("${General::swroot}/ovpn/ca/dh1024.pem");
1320         }
1321
1322 ###
1323 ### Generate DH key step 1
1324 ###
1325 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'generate dh key'}) {
1326         &Header::showhttpheaders();
1327         &Header::openpage($Lang::tr{'ovpn'}, 1, '');
1328         &Header::openbigbox('100%', 'LEFT', '', '');
1329         &Header::openbox('100%', 'LEFT', "$Lang::tr{'gen dh'}:");
1330         print <<END;
1331         <table width='100%'>
1332         <tr>
1333                 <td width='20%'> </td> <td width='15%'></td> <td width='65%'></td>
1334         </tr>
1335         <tr>
1336                 <td class='base'>$Lang::tr{'ovpn dh'}:</td>
1337                 <td align='center'>
1338                 <form method='post'><input type='hidden' name='AREUSURE' value='yes' />
1339                 <input type='hidden' name='KEY' value='$cgiparams{'KEY'}' />
1340                         <select name='DHLENGHT'>
1341                                 <option value='2048' $selected{'DHLENGHT'}{'2048'}>2048 $Lang::tr{'bit'}</option>
1342                                 <option value='3072' $selected{'DHLENGHT'}{'3072'}>3072 $Lang::tr{'bit'}</option>
1343                                 <option value='4096' $selected{'DHLENGHT'}{'4096'}>4096 $Lang::tr{'bit'}</option>
1344                         </select>
1345                 </td>
1346         </tr>
1347         <tr><td colspan='4'><br></td></tr>
1348         </table>
1349         <table width='100%'>
1350         <tr>
1351                 <b><font color='${Header::colourred}'>$Lang::tr{'capswarning'}: </font></b>$Lang::tr{'dh key warn'}
1352         </tr>
1353         <tr>
1354                 <td class='base'>$Lang::tr{'dh key warn1'}</td>
1355         </tr>
1356         <tr><td colspan='2'><br></td></tr>
1357         <tr>
1358                 <td align='center'><input type='submit' name='ACTION' value='$Lang::tr{'generate dh key'}' /></td>
1359                 </form>
1360         </tr>
1361         </table>
1362
1363 END
1364         ;
1365         &Header::closebox();
1366         print "<div align='center'><a href='/cgi-bin/ovpnmain.cgi'>$Lang::tr{'back'}</a></div>";
1367         &Header::closebigbox();
1368         &Header::closepage();
1369         exit (0);
1370
1371 ###
1372 ### Upload DH key
1373 ###
1374 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'upload dh key'}) {
1375     unless (ref ($cgiparams{'FH'})) {
1376          $errormessage = $Lang::tr{'there was no file upload'};
1377          goto UPLOADCA_ERROR;
1378     }
1379     # Move uploaded dh key to a temporary file
1380     (my $fh, my $filename) = tempfile( );
1381     if (copy ($cgiparams{'FH'}, $fh) != 1) {
1382         $errormessage = $!;
1383         goto UPLOADCA_ERROR;
1384     }
1385     my $temp = `/usr/bin/openssl dhparam -text -in $filename`;
1386     if ($temp !~ /DH Parameters: \((2048|3072|4096) bit\)/) {
1387         $errormessage = $Lang::tr{'not a valid dh key'};
1388         unlink ($filename);
1389         goto UPLOADCA_ERROR;
1390     } else {
1391     # Delete if old key exists
1392     if (-f "${General::swroot}/ovpn/ca/$cgiparams{'DH_NAME'}") {
1393         unlink "${General::swroot}/ovpn/ca/$cgiparams{'DH_NAME'}";
1394         }
1395     move($filename, "${General::swroot}/ovpn/ca/$cgiparams{'DH_NAME'}");
1396         if ($? ne 0) {
1397                 $errormessage = "$Lang::tr{'dh key move failed'}: $!";
1398                 unlink ($filename);
1399                 goto UPLOADCA_ERROR;
1400         }
1401     }
1402
1403 ###
1404 ### Upload CA Certificate
1405 ###
1406 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'upload ca certificate'}) {
1407     &General::readhasharray("${General::swroot}/ovpn/caconfig", \%cahash);
1408
1409     if ($cgiparams{'CA_NAME'} !~ /^[a-zA-Z0-9]+$/) {
1410         $errormessage = $Lang::tr{'name must only contain characters'};
1411         goto UPLOADCA_ERROR;
1412     }
1413
1414     if (length($cgiparams{'CA_NAME'}) >60) {
1415         $errormessage = $Lang::tr{'name too long'};
1416         goto VPNCONF_ERROR;
1417     }
1418
1419     if ($cgiparams{'CA_NAME'} eq 'ca') {
1420         $errormessage = $Lang::tr{'name is invalid'};
1421         goto UPLOADCA_ERROR;
1422     }
1423
1424     # Check if there is no other entry with this name
1425     foreach my $key (keys %cahash) {
1426         if ($cahash{$key}[0] eq $cgiparams{'CA_NAME'}) {
1427             $errormessage = $Lang::tr{'a ca certificate with this name already exists'};
1428             goto UPLOADCA_ERROR;
1429         }
1430     }
1431
1432     unless (ref ($cgiparams{'FH'})) {
1433         $errormessage = $Lang::tr{'there was no file upload'};
1434         goto UPLOADCA_ERROR;
1435     }
1436     # Move uploaded ca to a temporary file
1437     (my $fh, my $filename) = tempfile( );
1438     if (copy ($cgiparams{'FH'}, $fh) != 1) {
1439         $errormessage = $!;
1440         goto UPLOADCA_ERROR;
1441     }
1442     my $temp = `/usr/bin/openssl x509 -text -in $filename`;
1443     if ($temp !~ /CA:TRUE/i) {
1444         $errormessage = $Lang::tr{'not a valid ca certificate'};
1445         unlink ($filename);
1446         goto UPLOADCA_ERROR;
1447     } else {
1448         move($filename, "${General::swroot}/ovpn/ca/$cgiparams{'CA_NAME'}cert.pem");
1449         if ($? ne 0) {
1450             $errormessage = "$Lang::tr{'certificate file move failed'}: $!";
1451             unlink ($filename);
1452             goto UPLOADCA_ERROR;
1453         }
1454     }
1455
1456     my $casubject = `/usr/bin/openssl x509 -text -in ${General::swroot}/ovpn/ca/$cgiparams{'CA_NAME'}cert.pem`;
1457     $casubject    =~ /Subject: (.*)[\n]/;
1458     $casubject    = $1;
1459     $casubject    =~ s+/Email+, E+;
1460     $casubject    =~ s/ ST=/ S=/;
1461     $casubject    = &Header::cleanhtml($casubject);
1462
1463     my $key = &General::findhasharraykey (\%cahash);
1464     $cahash{$key}[0] = $cgiparams{'CA_NAME'};
1465     $cahash{$key}[1] = $casubject;
1466     &General::writehasharray("${General::swroot}/ovpn/caconfig", \%cahash);
1467 #    system('/usr/local/bin/ipsecctrl', 'R');
1468
1469     UPLOADCA_ERROR:
1470
1471 ###
1472 ### Display ca certificate
1473 ###
1474 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'show ca certificate'}) {
1475     &General::readhasharray("${General::swroot}/ovpn/caconfig", \%cahash);
1476
1477     if ( -f "${General::swroot}/ovpn/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem") {
1478         &Header::showhttpheaders();
1479         &Header::openpage($Lang::tr{'ovpn'}, 1, '');
1480         &Header::openbigbox('100%', 'LEFT', '', $errormessage);
1481         &Header::openbox('100%', 'LEFT', "$Lang::tr{'ca certificate'}:");
1482         my $output = `/usr/bin/openssl x509 -text -in ${General::swroot}/ovpn/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem`;
1483         $output = &Header::cleanhtml($output,"y");
1484         print "<pre>$output</pre>\n";
1485         &Header::closebox();
1486         print "<div align='center'><a href='/cgi-bin/ovpnmain.cgi'>$Lang::tr{'back'}</a></div>";
1487         &Header::closebigbox();
1488         &Header::closepage();
1489         exit(0);
1490     } else {
1491         $errormessage = $Lang::tr{'invalid key'};
1492     }
1493
1494 ###
1495 ### Download ca certificate
1496 ###
1497 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'download ca certificate'}) {
1498     &General::readhasharray("${General::swroot}/ovpn/caconfig", \%cahash);
1499
1500     if ( -f "${General::swroot}/ovpn/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem" ) {
1501         print "Content-Type: application/octet-stream\r\n";
1502         print "Content-Disposition: filename=$cahash{$cgiparams{'KEY'}}[0]cert.pem\r\n\r\n";
1503         print `/usr/bin/openssl x509 -in ${General::swroot}/ovpn/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem`;
1504         exit(0);
1505     } else {
1506         $errormessage = $Lang::tr{'invalid key'};
1507     }
1508
1509 ###
1510 ### Remove ca certificate (step 2)
1511 ###
1512 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'remove ca certificate'} && $cgiparams{'AREUSURE'} eq 'yes') {
1513     &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
1514     &General::readhasharray("${General::swroot}/ovpn/caconfig", \%cahash);
1515
1516     if ( -f "${General::swroot}/ovpn/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem" ) {
1517         foreach my $key (keys %confighash) {
1518             my $test = `/usr/bin/openssl verify -CAfile ${General::swroot}/ovpn/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem ${General::swroot}/ovpn/certs/$confighash{$key}[1]cert.pem`;
1519             if ($test =~ /: OK/) {
1520                 # Delete connection
1521 #               if ($vpnsettings{'ENABLED'} eq 'on' ||
1522 #                   $vpnsettings{'ENABLED_BLUE'} eq 'on') {
1523 #                   system('/usr/local/bin/ipsecctrl', 'D', $key);
1524 #               }
1525                 unlink ("${General::swroot}/ovpn//certs/$confighash{$key}[1]cert.pem");
1526                 unlink ("${General::swroot}/ovpn/certs/$confighash{$key}[1].p12");
1527                 delete $confighash{$key};
1528                 &General::writehasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
1529 #               &writeipsecfiles();
1530             }
1531         }
1532         unlink ("${General::swroot}/ovpn/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem");
1533         delete $cahash{$cgiparams{'KEY'}};
1534         &General::writehasharray("${General::swroot}/ovpn/caconfig", \%cahash);
1535 #       system('/usr/local/bin/ipsecctrl', 'R');
1536     } else {
1537         $errormessage = $Lang::tr{'invalid key'};
1538     }
1539 ###
1540 ### Remove ca certificate (step 1)
1541 ###
1542 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'remove ca certificate'}) {
1543     &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
1544     &General::readhasharray("${General::swroot}/ovpn/caconfig", \%cahash);
1545
1546     my $assignedcerts = 0;
1547     if ( -f "${General::swroot}/ovpn/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem" ) {
1548         foreach my $key (keys %confighash) {
1549             my $test = `/usr/bin/openssl verify -CAfile ${General::swroot}/ovpn/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem ${General::swroot}/ovpn/certs/$confighash{$key}[1]cert.pem`;
1550             if ($test =~ /: OK/) {
1551                 $assignedcerts++;
1552             }
1553         }
1554         if ($assignedcerts) {
1555             &Header::showhttpheaders();
1556             &Header::openpage($Lang::tr{'ovpn'}, 1, '');
1557             &Header::openbigbox('100%', 'LEFT', '', $errormessage);
1558             &Header::openbox('100%', 'LEFT', $Lang::tr{'are you sure'});
1559             print <<END;
1560                 <table><form method='post'><input type='hidden' name='AREUSURE' value='yes' />
1561                        <input type='hidden' name='KEY' value='$cgiparams{'KEY'}' />
1562                     <tr><td align='center'>
1563                         <b><font color='${Header::colourred}'>$Lang::tr{'capswarning'}</font></b>: $assignedcerts
1564                         $Lang::tr{'connections are associated with this ca.  deleting the ca will delete these connections as well.'}
1565                     <tr><td align='center'><input type='submit' name='ACTION' value='$Lang::tr{'remove ca certificate'}' />
1566                         <input type='submit' name='ACTION' value='$Lang::tr{'cancel'}' /></td></tr>
1567                 </form></table>
1568 END
1569             ;
1570             &Header::closebox();
1571             &Header::closebigbox();
1572             &Header::closepage();
1573             exit (0);
1574         } else {
1575             unlink ("${General::swroot}/ovpn/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem");
1576             delete $cahash{$cgiparams{'KEY'}};
1577             &General::writehasharray("${General::swroot}/ovpn/caconfig", \%cahash);
1578 #           system('/usr/local/bin/ipsecctrl', 'R');
1579         }
1580     } else {
1581         $errormessage = $Lang::tr{'invalid key'};
1582     }
1583
1584 ###
1585 ### Display root certificate
1586 ###
1587 }elsif ($cgiparams{'ACTION'} eq $Lang::tr{'show root certificate'} ||
1588     $cgiparams{'ACTION'} eq $Lang::tr{'show host certificate'}) {
1589     my $output;
1590     &Header::showhttpheaders();
1591     &Header::openpage($Lang::tr{'ovpn'}, 1, '');
1592     &Header::openbigbox('100%', 'LEFT', '', '');
1593     if ($cgiparams{'ACTION'} eq $Lang::tr{'show root certificate'}) {
1594         &Header::openbox('100%', 'LEFT', "$Lang::tr{'root certificate'}:");
1595         $output = `/usr/bin/openssl x509 -text -in ${General::swroot}/ovpn/ca/cacert.pem`;
1596     } else {
1597         &Header::openbox('100%', 'LEFT', "$Lang::tr{'host certificate'}:");
1598         $output = `/usr/bin/openssl x509 -text -in ${General::swroot}/ovpn/certs/servercert.pem`;
1599     }
1600     $output = &Header::cleanhtml($output,"y");
1601     print "<pre>$output</pre>\n";
1602     &Header::closebox();
1603     print "<div align='center'><a href='/cgi-bin/ovpnmain.cgi'>$Lang::tr{'back'}</a></div>";
1604     &Header::closebigbox();
1605     &Header::closepage();
1606     exit(0);
1607
1608 ###
1609 ### Download root certificate
1610 ###
1611 }elsif ($cgiparams{'ACTION'} eq $Lang::tr{'download root certificate'}) {
1612     if ( -f "${General::swroot}/ovpn/ca/cacert.pem" ) {
1613         print "Content-Type: application/octet-stream\r\n";
1614         print "Content-Disposition: filename=cacert.pem\r\n\r\n";
1615         print `/usr/bin/openssl x509 -in ${General::swroot}/ovpn/ca/cacert.pem`;
1616         exit(0);
1617     }
1618
1619 ###
1620 ### Download host certificate
1621 ###
1622 }elsif ($cgiparams{'ACTION'} eq $Lang::tr{'download host certificate'}) {
1623     if ( -f "${General::swroot}/ovpn/certs/servercert.pem" ) {
1624         print "Content-Type: application/octet-stream\r\n";
1625         print "Content-Disposition: filename=servercert.pem\r\n\r\n";
1626         print `/usr/bin/openssl x509 -in ${General::swroot}/ovpn/certs/servercert.pem`;
1627         exit(0);
1628     }
1629
1630 ###
1631 ### Download tls-auth key
1632 ###
1633 }elsif ($cgiparams{'ACTION'} eq $Lang::tr{'download tls-auth key'}) {
1634     if ( -f "${General::swroot}/ovpn/certs/ta.key" ) {
1635         print "Content-Type: application/octet-stream\r\n";
1636         print "Content-Disposition: filename=ta.key\r\n\r\n";
1637         print `/bin/cat ${General::swroot}/ovpn/certs/ta.key`;
1638         exit(0);
1639     }
1640
1641 ###
1642 ### Form for generating a root certificate
1643 ###
1644 }elsif ($cgiparams{'ACTION'} eq $Lang::tr{'generate root/host certificates'} ||
1645          $cgiparams{'ACTION'} eq $Lang::tr{'upload p12 file'}) {
1646
1647     &General::readhash("${General::swroot}/ovpn/settings", \%vpnsettings);
1648     if (-f "${General::swroot}/ovpn/ca/cacert.pem") {
1649         $errormessage = $Lang::tr{'valid root certificate already exists'};
1650         $cgiparams{'ACTION'} = '';
1651         goto ROOTCERT_ERROR;
1652     }
1653
1654     if (($cgiparams{'ROOTCERT_HOSTNAME'} eq '') && -e "${General::swroot}/red/active") {
1655         if (open(IPADDR, "${General::swroot}/red/local-ipaddress")) {
1656             my $ipaddr = <IPADDR>;
1657             close IPADDR;
1658             chomp ($ipaddr);
1659             $cgiparams{'ROOTCERT_HOSTNAME'} = (gethostbyaddr(pack("C4", split(/\./, $ipaddr)), 2))[0];
1660             if ($cgiparams{'ROOTCERT_HOSTNAME'} eq '') {
1661                 $cgiparams{'ROOTCERT_HOSTNAME'} = $ipaddr;
1662             }
1663         }
1664     } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'upload p12 file'}) {
1665         unless (ref ($cgiparams{'FH'})) {
1666             $errormessage = $Lang::tr{'there was no file upload'};
1667             goto ROOTCERT_ERROR;
1668         }
1669
1670         # Move uploaded certificate request to a temporary file
1671         (my $fh, my $filename) = tempfile( );
1672         if (copy ($cgiparams{'FH'}, $fh) != 1) {
1673             $errormessage = $!;
1674             goto ROOTCERT_ERROR;
1675         }
1676
1677         # Create a temporary dirctory
1678         my $tempdir = tempdir( CLEANUP => 1 );
1679
1680         # Extract the CA certificate from the file
1681         my $pid = open(OPENSSL, "|-");
1682         $SIG{ALRM} = sub { $errormessage = $Lang::tr{'broken pipe'}; goto ROOTCERT_ERROR;};
1683         if ($pid) {     # parent
1684             if ($cgiparams{'P12_PASS'} ne '') {
1685                 print OPENSSL "$cgiparams{'P12_PASS'}\n";
1686             }
1687             close (OPENSSL);
1688             if ($?) {
1689                 $errormessage = "$Lang::tr{'openssl produced an error'}: $?";
1690                 unlink ($filename);
1691                 goto ROOTCERT_ERROR;
1692             }
1693         } else {        # child
1694             unless (exec ('/usr/bin/openssl', 'pkcs12', '-cacerts', '-nokeys',
1695                     '-in', $filename,
1696                     '-out', "$tempdir/cacert.pem")) {
1697                 $errormessage = "$Lang::tr{'cant start openssl'}: $!";
1698                 unlink ($filename);
1699                 goto ROOTCERT_ERROR;
1700             }
1701         }
1702
1703         # Extract the Host certificate from the file
1704         $pid = open(OPENSSL, "|-");
1705         $SIG{ALRM} = sub { $errormessage = $Lang::tr{'broken pipe'}; goto ROOTCERT_ERROR;};
1706         if ($pid) {     # parent
1707             if ($cgiparams{'P12_PASS'} ne '') {
1708                 print OPENSSL "$cgiparams{'P12_PASS'}\n";
1709             }
1710             close (OPENSSL);
1711             if ($?) {
1712                 $errormessage = "$Lang::tr{'openssl produced an error'}: $?";
1713                 unlink ($filename);
1714                 goto ROOTCERT_ERROR;
1715             }
1716         } else {        # child
1717             unless (exec ('/usr/bin/openssl', 'pkcs12', '-clcerts', '-nokeys',
1718                     '-in', $filename,
1719                     '-out', "$tempdir/hostcert.pem")) {
1720                 $errormessage = "$Lang::tr{'cant start openssl'}: $!";
1721                 unlink ($filename);
1722                 goto ROOTCERT_ERROR;
1723             }
1724         }
1725
1726         # Extract the Host key from the file
1727         $pid = open(OPENSSL, "|-");
1728         $SIG{ALRM} = sub { $errormessage = $Lang::tr{'broken pipe'}; goto ROOTCERT_ERROR;};
1729         if ($pid) {     # parent
1730             if ($cgiparams{'P12_PASS'} ne '') {
1731                 print OPENSSL "$cgiparams{'P12_PASS'}\n";
1732             }
1733             close (OPENSSL);
1734             if ($?) {
1735                 $errormessage = "$Lang::tr{'openssl produced an error'}: $?";
1736                 unlink ($filename);
1737                 goto ROOTCERT_ERROR;
1738             }
1739         } else {        # child
1740             unless (exec ('/usr/bin/openssl', 'pkcs12', '-nocerts',
1741                     '-nodes',
1742                     '-in', $filename,
1743                     '-out', "$tempdir/serverkey.pem")) {
1744                 $errormessage = "$Lang::tr{'cant start openssl'}: $!";
1745                 unlink ($filename);
1746                 goto ROOTCERT_ERROR;
1747             }
1748         }
1749
1750         move("$tempdir/cacert.pem", "${General::swroot}/ovpn/ca/cacert.pem");
1751         if ($? ne 0) {
1752             $errormessage = "$Lang::tr{'certificate file move failed'}: $!";
1753             unlink ($filename);
1754             unlink ("${General::swroot}/ovpn/ca/cacert.pem");
1755             unlink ("${General::swroot}/ovpn/certs/servercert.pem");
1756             unlink ("${General::swroot}/ovpn/certs/serverkey.pem");
1757             goto ROOTCERT_ERROR;
1758         }
1759
1760         move("$tempdir/hostcert.pem", "${General::swroot}/ovpn/certs/servercert.pem");
1761         if ($? ne 0) {
1762             $errormessage = "$Lang::tr{'certificate file move failed'}: $!";
1763             unlink ($filename);
1764             unlink ("${General::swroot}/ovpn/ca/cacert.pem");
1765             unlink ("${General::swroot}/ovpn/certs/servercert.pem");
1766             unlink ("${General::swroot}/ovpn/certs/serverkey.pem");
1767             goto ROOTCERT_ERROR;
1768         }
1769
1770         move("$tempdir/serverkey.pem", "${General::swroot}/ovpn/certs/serverkey.pem");
1771         if ($? ne 0) {
1772             $errormessage = "$Lang::tr{'certificate file move failed'}: $!";
1773             unlink ($filename);
1774             unlink ("${General::swroot}/ovpn/ca/cacert.pem");
1775             unlink ("${General::swroot}/ovpn/certs/servercert.pem");
1776             unlink ("${General::swroot}/ovpn/certs/serverkey.pem");
1777             goto ROOTCERT_ERROR;
1778         }
1779
1780         goto ROOTCERT_SUCCESS;
1781
1782     } elsif ($cgiparams{'ROOTCERT_COUNTRY'} ne '') {
1783
1784         # Validate input since the form was submitted
1785         if ($cgiparams{'ROOTCERT_ORGANIZATION'} eq ''){
1786             $errormessage = $Lang::tr{'organization cant be empty'};
1787             goto ROOTCERT_ERROR;
1788         }
1789         if (length($cgiparams{'ROOTCERT_ORGANIZATION'}) >60) {
1790             $errormessage = $Lang::tr{'organization too long'};
1791             goto ROOTCERT_ERROR;
1792         }
1793         if ($cgiparams{'ROOTCERT_ORGANIZATION'} !~ /^[a-zA-Z0-9 ,\.\-_]*$/) {
1794             $errormessage = $Lang::tr{'invalid input for organization'};
1795             goto ROOTCERT_ERROR;
1796         }
1797         if ($cgiparams{'ROOTCERT_HOSTNAME'} eq ''){
1798             $errormessage = $Lang::tr{'hostname cant be empty'};
1799             goto ROOTCERT_ERROR;
1800         }
1801         unless (&General::validfqdn($cgiparams{'ROOTCERT_HOSTNAME'}) || &General::validip($cgiparams{'ROOTCERT_HOSTNAME'})) {
1802             $errormessage = $Lang::tr{'invalid input for hostname'};
1803             goto ROOTCERT_ERROR;
1804         }
1805         if ($cgiparams{'ROOTCERT_EMAIL'} ne '' && (! &General::validemail($cgiparams{'ROOTCERT_EMAIL'}))) {
1806             $errormessage = $Lang::tr{'invalid input for e-mail address'};
1807             goto ROOTCERT_ERROR;
1808         }
1809         if (length($cgiparams{'ROOTCERT_EMAIL'}) > 40) {
1810             $errormessage = $Lang::tr{'e-mail address too long'};
1811             goto ROOTCERT_ERROR;
1812         }
1813         if ($cgiparams{'ROOTCERT_OU'} ne '' && $cgiparams{'ROOTCERT_OU'} !~ /^[a-zA-Z0-9 ,\.\-_]*$/) {
1814             $errormessage = $Lang::tr{'invalid input for department'};
1815             goto ROOTCERT_ERROR;
1816         }
1817         if ($cgiparams{'ROOTCERT_CITY'} ne '' && $cgiparams{'ROOTCERT_CITY'} !~ /^[a-zA-Z0-9 ,\.\-_]*$/) {
1818             $errormessage = $Lang::tr{'invalid input for city'};
1819             goto ROOTCERT_ERROR;
1820         }
1821         if ($cgiparams{'ROOTCERT_STATE'} ne '' && $cgiparams{'ROOTCERT_STATE'} !~ /^[a-zA-Z0-9 ,\.\-_]*$/) {
1822             $errormessage = $Lang::tr{'invalid input for state or province'};
1823             goto ROOTCERT_ERROR;
1824         }
1825         if ($cgiparams{'ROOTCERT_COUNTRY'} !~ /^[A-Z]*$/) {
1826             $errormessage = $Lang::tr{'invalid input for country'};
1827             goto ROOTCERT_ERROR;
1828         }
1829
1830         # Copy the cgisettings to vpnsettings and save the configfile
1831         $vpnsettings{'ROOTCERT_ORGANIZATION'}   = $cgiparams{'ROOTCERT_ORGANIZATION'};
1832         $vpnsettings{'ROOTCERT_HOSTNAME'}       = $cgiparams{'ROOTCERT_HOSTNAME'};
1833         $vpnsettings{'ROOTCERT_EMAIL'}          = $cgiparams{'ROOTCERT_EMAIL'};
1834         $vpnsettings{'ROOTCERT_OU'}             = $cgiparams{'ROOTCERT_OU'};
1835         $vpnsettings{'ROOTCERT_CITY'}           = $cgiparams{'ROOTCERT_CITY'};
1836         $vpnsettings{'ROOTCERT_STATE'}          = $cgiparams{'ROOTCERT_STATE'};
1837         $vpnsettings{'ROOTCERT_COUNTRY'}        = $cgiparams{'ROOTCERT_COUNTRY'};
1838         &General::writehash("${General::swroot}/ovpn/settings", \%vpnsettings);
1839
1840         # Replace empty strings with a .
1841         (my $ou = $cgiparams{'ROOTCERT_OU'}) =~ s/^\s*$/\./;
1842         (my $city = $cgiparams{'ROOTCERT_CITY'}) =~ s/^\s*$/\./;
1843         (my $state = $cgiparams{'ROOTCERT_STATE'}) =~ s/^\s*$/\./;
1844
1845         # refresh
1846         #system ('/bin/touch', "${General::swroot}/ovpn/gencanow");
1847
1848         # Create the CA certificate
1849         my $pid = open(OPENSSL, "|-");
1850         $SIG{ALRM} = sub { $errormessage = $Lang::tr{'broken pipe'}; goto ROOTCERT_ERROR;};
1851         if ($pid) {     # parent
1852             print OPENSSL "$cgiparams{'ROOTCERT_COUNTRY'}\n";
1853             print OPENSSL "$state\n";
1854             print OPENSSL "$city\n";
1855             print OPENSSL "$cgiparams{'ROOTCERT_ORGANIZATION'}\n";
1856             print OPENSSL "$ou\n";
1857             print OPENSSL "$cgiparams{'ROOTCERT_ORGANIZATION'} CA\n";
1858             print OPENSSL "$cgiparams{'ROOTCERT_EMAIL'}\n";
1859             close (OPENSSL);
1860             if ($?) {
1861                 $errormessage = "$Lang::tr{'openssl produced an error'}: $?";
1862                 unlink ("${General::swroot}/ovpn/ca/cakey.pem");
1863                 unlink ("${General::swroot}/ovpn/ca/cacert.pem");
1864                 goto ROOTCERT_ERROR;
1865             }
1866         } else {        # child
1867             unless (exec ('/usr/bin/openssl', 'req', '-x509', '-nodes',
1868                         '-days', '999999', '-newkey', 'rsa:4096', '-sha512',
1869                         '-keyout', "${General::swroot}/ovpn/ca/cakey.pem",
1870                         '-out', "${General::swroot}/ovpn/ca/cacert.pem",
1871                         '-config',"${General::swroot}/ovpn/openssl/ovpn.cnf")) {
1872                 $errormessage = "$Lang::tr{'cant start openssl'}: $!";
1873                 goto ROOTCERT_ERROR;
1874             }
1875         }
1876
1877         # Create the Host certificate request
1878         $pid = open(OPENSSL, "|-");
1879         $SIG{ALRM} = sub { $errormessage = $Lang::tr{'broken pipe'}; goto ROOTCERT_ERROR;};
1880         if ($pid) {     # parent
1881             print OPENSSL "$cgiparams{'ROOTCERT_COUNTRY'}\n";
1882             print OPENSSL "$state\n";
1883             print OPENSSL "$city\n";
1884             print OPENSSL "$cgiparams{'ROOTCERT_ORGANIZATION'}\n";
1885             print OPENSSL "$ou\n";
1886             print OPENSSL "$cgiparams{'ROOTCERT_HOSTNAME'}\n";
1887             print OPENSSL "$cgiparams{'ROOTCERT_EMAIL'}\n";
1888             print OPENSSL ".\n";
1889             print OPENSSL ".\n";
1890             close (OPENSSL);
1891             if ($?) {
1892                 $errormessage = "$Lang::tr{'openssl produced an error'}: $?";
1893                 unlink ("${General::swroot}/ovpn/certs/serverkey.pem");
1894                 unlink ("${General::swroot}/ovpn/certs/serverreq.pem");
1895                 goto ROOTCERT_ERROR;
1896             }
1897         } else {        # child
1898             unless (exec ('/usr/bin/openssl', 'req', '-nodes',
1899                         '-newkey', 'rsa:2048',
1900                         '-keyout', "${General::swroot}/ovpn/certs/serverkey.pem",
1901                         '-out', "${General::swroot}/ovpn/certs/serverreq.pem",
1902                         '-extensions', 'server',
1903                         '-config', "${General::swroot}/ovpn/openssl/ovpn.cnf" )) {
1904                 $errormessage = "$Lang::tr{'cant start openssl'}: $!";
1905                 unlink ("${General::swroot}/ovpn/certs/serverkey.pem");
1906                 unlink ("${General::swroot}/ovpn/certs/serverreq.pem");
1907                 unlink ("${General::swroot}/ovpn/ca/cakey.pem");
1908                 unlink ("${General::swroot}/ovpn/ca/cacert.pem");
1909                 goto ROOTCERT_ERROR;
1910             }
1911         }
1912
1913         # Sign the host certificate request
1914         system('/usr/bin/openssl', 'ca', '-days', '999999',
1915                 '-batch', '-notext',
1916                 '-in',  "${General::swroot}/ovpn/certs/serverreq.pem",
1917                 '-out', "${General::swroot}/ovpn/certs/servercert.pem",
1918                 '-extensions', 'server',
1919                 '-config', "${General::swroot}/ovpn/openssl/ovpn.cnf");
1920         if ($?) {
1921             $errormessage = "$Lang::tr{'openssl produced an error'}: $?";
1922             unlink ("${General::swroot}/ovpn/ca/cakey.pem");
1923             unlink ("${General::swroot}/ovpn/ca/cacert.pem");
1924             unlink ("${General::swroot}/ovpn/serverkey.pem");
1925             unlink ("${General::swroot}/ovpn/certs/serverreq.pem");
1926             unlink ("${General::swroot}/ovpn/certs/servercert.pem");
1927             &newcleanssldatabase();
1928             goto ROOTCERT_ERROR;
1929         } else {
1930             unlink ("${General::swroot}/ovpn/certs/serverreq.pem");
1931             &deletebackupcert();
1932         }
1933
1934         # Create an empty CRL
1935         system('/usr/bin/openssl', 'ca', '-gencrl',
1936                 '-out', "${General::swroot}/ovpn/crls/cacrl.pem",
1937                 '-config', "${General::swroot}/ovpn/openssl/ovpn.cnf" );
1938         if ($?) {
1939             $errormessage = "$Lang::tr{'openssl produced an error'}: $?";
1940             unlink ("${General::swroot}/ovpn/certs/serverkey.pem");
1941             unlink ("${General::swroot}/ovpn/certs/servercert.pem");
1942             unlink ("${General::swroot}/ovpn/ca/cacert.pem");
1943             unlink ("${General::swroot}/ovpn/crls/cacrl.pem");
1944             &cleanssldatabase();
1945             goto ROOTCERT_ERROR;
1946 #       } else {
1947 #           &cleanssldatabase();
1948         }
1949         # Create ta.key for tls-auth
1950         system('/usr/sbin/openvpn', '--genkey', '--secret', "${General::swroot}/ovpn/certs/ta.key");
1951         if ($?) {
1952             $errormessage = "$Lang::tr{'openssl produced an error'}: $?";
1953             &cleanssldatabase();
1954             goto ROOTCERT_ERROR;
1955         }
1956         # Create Diffie Hellmann Parameter
1957         system('/usr/bin/openssl', 'dhparam', '-out', "${General::swroot}/ovpn/ca/dh1024.pem", "$cgiparams{'DHLENGHT'}");
1958         if ($?) {
1959             $errormessage = "$Lang::tr{'openssl produced an error'}: $?";
1960             unlink ("${General::swroot}/ovpn/certs/serverkey.pem");
1961             unlink ("${General::swroot}/ovpn/certs/servercert.pem");
1962             unlink ("${General::swroot}/ovpn/ca/cacert.pem");
1963             unlink ("${General::swroot}/ovpn/crls/cacrl.pem");
1964             unlink ("${General::swroot}/ovpn/ca/dh1024.pem");
1965             &cleanssldatabase();
1966             goto ROOTCERT_ERROR;
1967 #       } else {
1968 #           &cleanssldatabase();
1969         }
1970         goto ROOTCERT_SUCCESS;
1971     }
1972     ROOTCERT_ERROR:
1973     if ($cgiparams{'ACTION'} ne '') {
1974         &Header::showhttpheaders();
1975         &Header::openpage($Lang::tr{'ovpn'}, 1, '');
1976         &Header::openbigbox('100%', 'LEFT', '', '');
1977         if ($errormessage) {
1978             &Header::openbox('100%', 'LEFT', $Lang::tr{'error messages'});
1979             print "<class name='base'>$errormessage";
1980             print "&nbsp;</class>";
1981             &Header::closebox();
1982         }
1983         &Header::openbox('100%', 'LEFT', "$Lang::tr{'generate root/host certificates'}:");
1984         print <<END;
1985         <form method='post' enctype='multipart/form-data'>
1986         <table width='100%' border='0' cellspacing='1' cellpadding='0'>
1987         <tr><td width='30%' class='base'>$Lang::tr{'organization name'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
1988             <td width='35%' class='base' nowrap='nowrap'><input type='text' name='ROOTCERT_ORGANIZATION' value='$cgiparams{'ROOTCERT_ORGANIZATION'}' size='32' /></td>
1989             <td width='35%' colspan='2'>&nbsp;</td></tr>
1990         <tr><td class='base'>$Lang::tr{'ipfires hostname'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
1991             <td class='base' nowrap='nowrap'><input type='text' name='ROOTCERT_HOSTNAME' value='$cgiparams{'ROOTCERT_HOSTNAME'}' size='32' /></td>
1992             <td colspan='2'>&nbsp;</td></tr>
1993         <tr><td class='base'>$Lang::tr{'your e-mail'}:</td>
1994             <td class='base' nowrap='nowrap'><input type='text' name='ROOTCERT_EMAIL' value='$cgiparams{'ROOTCERT_EMAIL'}' size='32' /></td>
1995             <td colspan='2'>&nbsp;</td></tr>
1996         <tr><td class='base'>$Lang::tr{'your department'}:</td>
1997             <td class='base' nowrap='nowrap'><input type='text' name='ROOTCERT_OU' value='$cgiparams{'ROOTCERT_OU'}' size='32' /></td>
1998             <td colspan='2'>&nbsp;</td></tr>
1999         <tr><td class='base'>$Lang::tr{'city'}:</td>
2000             <td class='base' nowrap='nowrap'><input type='text' name='ROOTCERT_CITY' value='$cgiparams{'ROOTCERT_CITY'}' size='32' /></td>
2001             <td colspan='2'>&nbsp;</td></tr>
2002         <tr><td class='base'>$Lang::tr{'state or province'}:</td>
2003             <td class='base' nowrap='nowrap'><input type='text' name='ROOTCERT_STATE' value='$cgiparams{'ROOTCERT_STATE'}' size='32' /></td>
2004             <td colspan='2'>&nbsp;</td></tr>
2005         <tr><td class='base'>$Lang::tr{'country'}:</td>
2006             <td class='base'><select name='ROOTCERT_COUNTRY'>
2007
2008 END
2009         ;
2010         foreach my $country (sort keys %{Countries::countries}) {
2011             print "<option value='$Countries::countries{$country}'";
2012             if ( $Countries::countries{$country} eq $cgiparams{'ROOTCERT_COUNTRY'} ) {
2013                 print " selected='selected'";
2014             }
2015             print ">$country</option>";
2016         }
2017         print <<END;
2018             </select></td>
2019         <tr><td class='base'>$Lang::tr{'ovpn dh'}:</td>
2020                 <td class='base'><select name='DHLENGHT'>
2021                                 <option value='2048' $selected{'DHLENGHT'}{'2048'}>2048 $Lang::tr{'bit'}</option>
2022                                 <option value='3072' $selected{'DHLENGHT'}{'3072'}>3072 $Lang::tr{'bit'}</option>
2023                                 <option value='4096' $selected{'DHLENGHT'}{'4096'}>4096 $Lang::tr{'bit'}</option>
2024                         </select>
2025                 </td>
2026         </tr>
2027
2028         <tr><td>&nbsp;</td>
2029             <td><input type='submit' name='ACTION' value='$Lang::tr{'generate root/host certificates'}' /></td>
2030             <td>&nbsp;</td><td>&nbsp;</td></tr>
2031         <tr><td class='base' colspan='4' align='left'>
2032             <img src='/blob.gif' valign='top' alt='*' />&nbsp;$Lang::tr{'required field'}</td></tr>
2033         <tr><td colspan='2'><br></td></tr>
2034         <table width='100%'>
2035         <tr>
2036                 <b><font color='${Header::colourred}'>$Lang::tr{'capswarning'}: </font></b>$Lang::tr{'ovpn generating the root and host certificates'}
2037                 <td class='base'>$Lang::tr{'dh key warn'}</td>
2038         </tr>
2039         <tr>
2040                 <td class='base'>$Lang::tr{'dh key warn1'}</td>
2041         </tr>
2042         <tr><td colspan='2'><br></td></tr>
2043         <tr>
2044         </table>
2045
2046         <table width='100%'>
2047         <tr><td colspan='4'><hr></td></tr>
2048         <tr><td class='base' nowrap='nowrap'>$Lang::tr{'upload p12 file'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
2049             <td nowrap='nowrap'><input type='file' name='FH' size='32'></td>
2050             <td colspan='2'>&nbsp;</td></tr>
2051         <tr><td class='base'>$Lang::tr{'pkcs12 file password'}:</td>
2052             <td class='base' nowrap='nowrap'><input type='password' name='P12_PASS' value='$cgiparams{'P12_PASS'}' size='32' /></td>
2053             <td colspan='2'>&nbsp;</td></tr>
2054         <tr><td>&nbsp;</td>
2055             <td><input type='submit' name='ACTION' value='$Lang::tr{'upload p12 file'}' /></td>
2056             <td colspan='2'>&nbsp;</td></tr>
2057         <tr><td class='base' colspan='4' align='left'>
2058             <img src='/blob.gif' valign='top' alt='*' >&nbsp;$Lang::tr{'required field'}</td>
2059         </tr>
2060         </form></table>
2061 END
2062         ;
2063         &Header::closebox();
2064         print "<div align='center'><a href='/cgi-bin/ovpnmain.cgi'>$Lang::tr{'back'}</a></div>";
2065         &Header::closebigbox();
2066         &Header::closepage();
2067         exit(0)
2068     }
2069
2070     ROOTCERT_SUCCESS:
2071     system ("chmod 600 ${General::swroot}/ovpn/certs/serverkey.pem");
2072 #    if ($vpnsettings{'ENABLED'} eq 'on' ||
2073 #       $vpnsettings{'ENABLE_BLUE'} eq 'on') {
2074 #       system('/usr/local/bin/ipsecctrl', 'S');
2075 #    }
2076
2077 ###
2078 ### Enable/Disable connection
2079 ###
2080
2081 ###
2082 # m.a.d net2net
2083 ###
2084
2085 }elsif ($cgiparams{'ACTION'} eq $Lang::tr{'toggle enable disable'}) {
2086
2087     &General::readhash("${General::swroot}/ovpn/settings", \%vpnsettings);
2088     &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
2089 #    my $n2nactive = '';
2090     my $n2nactive = `/bin/ps ax|grep $confighash{$cgiparams{'KEY'}}[1]|grep -v grep|awk \'{print \$1}\'`;
2091
2092     if ($confighash{$cgiparams{'KEY'}}) {
2093                 if ($confighash{$cgiparams{'KEY'}}[0] eq 'off') {
2094                         $confighash{$cgiparams{'KEY'}}[0] = 'on';
2095                         &General::writehasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
2096
2097                         if ($confighash{$cgiparams{'KEY'}}[3] eq 'net'){
2098                                 system('/usr/local/bin/openvpnctrl', '-sn2n', $confighash{$cgiparams{'KEY'}}[1]);
2099                                 &writecollectdconf();
2100                         }
2101                 } else {
2102
2103                         $confighash{$cgiparams{'KEY'}}[0] = 'off';
2104                         &General::writehasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
2105
2106                         if ($confighash{$cgiparams{'KEY'}}[3] eq 'net'){
2107                                 if ($n2nactive ne '') {
2108                                         system('/usr/local/bin/openvpnctrl', '-kn2n', $confighash{$cgiparams{'KEY'}}[1]);
2109                                         &writecollectdconf();
2110                                 }
2111
2112                         } else {
2113                                 $errormessage = $Lang::tr{'invalid key'};
2114                         }
2115                 }
2116   }
2117
2118 ###
2119 ### Download OpenVPN client package
2120 ###
2121
2122
2123 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'dl client arch'}) {
2124     &General::readhash("${General::swroot}/ovpn/settings", \%vpnsettings);
2125     &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
2126     my $file = '';
2127     my $clientovpn = '';
2128     my @fileholder;
2129     my $tempdir = tempdir( CLEANUP => 1 );
2130     my $zippath = "$tempdir/";
2131
2132 ###
2133 # m.a.d net2net
2134 ###
2135
2136 if ($confighash{$cgiparams{'KEY'}}[3] eq 'net'){
2137
2138         my $zipname = "$confighash{$cgiparams{'KEY'}}[1]-Client.zip";
2139         my $zippathname = "$zippath$zipname";
2140         $clientovpn = "$confighash{$cgiparams{'KEY'}}[1].conf";
2141         my @ovsubnettemp =  split(/\./,$confighash{$cgiparams{'KEY'}}[27]);
2142         my $ovsubnet =  "$ovsubnettemp[0].$ovsubnettemp[1].$ovsubnettemp[2]";
2143         my $tunmtu = '';
2144         my @remsubnet = split(/\//,$confighash{$cgiparams{'KEY'}}[8]);
2145         my $n2nfragment = '';
2146
2147     open(CLIENTCONF, ">$tempdir/$clientovpn") or die "Unable to open tempfile: $!";
2148     flock CLIENTCONF, 2;
2149
2150     my $zip = Archive::Zip->new();
2151    print CLIENTCONF "# IPFire n2n Open VPN Client Config by ummeegge und m.a.d\n";
2152    print CLIENTCONF "# \n";
2153    print CLIENTCONF "# User Security\n";
2154    print CLIENTCONF "user nobody\n";
2155    print CLIENTCONF "group nobody\n";
2156    print CLIENTCONF "persist-tun\n";
2157    print CLIENTCONF "persist-key\n";
2158    print CLIENTCONF "script-security 2\n";
2159    print CLIENTCONF "# IP/DNS for remote Server Gateway\n";
2160    print CLIENTCONF "remote $vpnsettings{'VPN_IP'}\n";
2161    print CLIENTCONF "float\n";
2162    print CLIENTCONF "# IP adresses of the VPN Subnet\n";
2163    print CLIENTCONF "ifconfig $ovsubnet.2 $ovsubnet.1\n";
2164    print CLIENTCONF "# Server Gateway Network\n";
2165    print CLIENTCONF "route $remsubnet[0] $remsubnet[1]\n";
2166    print CLIENTCONF "# tun Device\n";
2167    print CLIENTCONF "dev tun\n";
2168    print CLIENTCONF "#Logfile for statistics\n";
2169    print CLIENTCONF "status-version 1\n";
2170    print CLIENTCONF "status /var/run/openvpn/$cgiparams{'NAME'}-n2n 10\n";
2171    print CLIENTCONF "# Port and Protokoll\n";
2172    print CLIENTCONF "port $confighash{$cgiparams{'KEY'}}[29]\n";
2173
2174    if ($confighash{$cgiparams{'KEY'}}[28] eq 'tcp') {
2175    print CLIENTCONF "proto tcp-client\n";
2176    print CLIENTCONF "# Packet size\n";
2177    if ($confighash{$cgiparams{'KEY'}}[31] eq '') {$tunmtu = '1400'} else {$tunmtu = $confighash{$cgiparams{'KEY'}}[31]};
2178    print CLIENTCONF "tun-mtu $tunmtu\n";
2179    }
2180
2181    if ($confighash{$cgiparams{'KEY'}}[28] eq 'udp') {
2182    print CLIENTCONF "proto udp\n";
2183    print CLIENTCONF "# Paketsize\n";
2184    if ($confighash{$cgiparams{'KEY'}}[31] eq '') {$tunmtu = '1500'} else {$tunmtu = $confighash{$cgiparams{'KEY'}}[31]};
2185    print CLIENTCONF "tun-mtu $tunmtu\n";
2186    if ($confighash{$cgiparams{'KEY'}}[24] ne '') {print CLIENTCONF "fragment $confighash{$cgiparams{'KEY'}}[24]\n";}
2187    if ($confighash{$cgiparams{'KEY'}}[23] eq 'on') {print CLIENTCONF "mssfix\n";}
2188    }
2189    # Check host certificate if X509 is RFC3280 compliant.
2190    # If not, old --ns-cert-type directive will be used.
2191    # If appropriate key usage extension exists, new --remote-cert-tls directive will be used.
2192    my $hostcert = `/usr/bin/openssl x509 -text -in ${General::swroot}/ovpn/certs/servercert.pem`;
2193    if ($hostcert !~ /TLS Web Server Authentication/) {
2194                print CLIENTCONF "ns-cert-type server\n";
2195    } else {
2196                print CLIENTCONF "remote-cert-tls server\n";
2197    }
2198    print CLIENTCONF "# Auth. Client\n";
2199    print CLIENTCONF "tls-client\n";
2200    print CLIENTCONF "# Cipher\n";
2201    print CLIENTCONF "cipher $confighash{$cgiparams{'KEY'}}[40]\n";
2202     if ($confighash{$cgiparams{'KEY'}}[4] eq 'cert' && -f "${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1].p12") {
2203          print CLIENTCONF "pkcs12 ${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1].p12\r\n";
2204      $zip->addFile( "${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";
2205    }
2206
2207    # If GCM cipher is used, do not use --auth
2208    if (($confighash{$cgiparams{'KEY'}}[40] eq 'AES-256-GCM') ||
2209        ($confighash{$cgiparams{'KEY'}}[40] eq 'AES-192-GCM') ||
2210        ($confighash{$cgiparams{'KEY'}}[40] eq 'AES-128-GCM')) {
2211         print CLIENTCONF unless "# HMAC algorithm\n";
2212         print CLIENTCONF unless "auth $confighash{$cgiparams{'KEY'}}[39]\n";
2213    } else {
2214         print CLIENTCONF "# HMAC algorithm\n";
2215         print CLIENTCONF "auth $confighash{$cgiparams{'KEY'}}[39]\n";
2216    }
2217
2218    if ($confighash{$cgiparams{'KEY'}}[30] eq 'on') {
2219    print CLIENTCONF "# Enable Compression\n";
2220    print CLIENTCONF "comp-lzo\n";
2221      }
2222    print CLIENTCONF "# Debug Level\n";
2223    print CLIENTCONF "verb 3\n";
2224    print CLIENTCONF "# Tunnel check\n";
2225    print CLIENTCONF "keepalive 10 60\n";
2226    print CLIENTCONF "# Start as daemon\n";
2227    print CLIENTCONF "daemon $confighash{$cgiparams{'KEY'}}[1]n2n\n";
2228    print CLIENTCONF "writepid /var/run/$confighash{$cgiparams{'KEY'}}[1]n2n.pid\n";
2229    print CLIENTCONF "# Activate Management Interface and Port\n";
2230    if ($confighash{$cgiparams{'KEY'}}[22] eq '') {print CLIENTCONF "management localhost $confighash{$cgiparams{'KEY'}}[29]\n"}
2231     else {print CLIENTCONF "management localhost $confighash{$cgiparams{'KEY'}}[22]\n"};
2232    print CLIENTCONF "# remsub $confighash{$cgiparams{'KEY'}}[11]\n";
2233
2234
2235     close(CLIENTCONF);
2236
2237     $zip->addFile( "$tempdir/$clientovpn", $clientovpn) or die "Can't add file $clientovpn\n";
2238     my $status = $zip->writeToFileNamed($zippathname);
2239
2240     open(DLFILE, "<$zippathname") or die "Unable to open $zippathname: $!";
2241     @fileholder = <DLFILE>;
2242     print "Content-Type:application/x-download\n";
2243     print "Content-Disposition:attachment;filename=$zipname\n\n";
2244     print @fileholder;
2245     exit (0);
2246 }
2247 else
2248 {
2249         my $zipname = "$confighash{$cgiparams{'KEY'}}[1]-TO-IPFire.zip";
2250         my $zippathname = "$zippath$zipname";
2251         $clientovpn = "$confighash{$cgiparams{'KEY'}}[1]-TO-IPFire.ovpn";
2252
2253 ###
2254 # m.a.d net2net
2255 ###
2256
2257     open(CLIENTCONF, ">$tempdir/$clientovpn") or die "Unable to open tempfile: $!";
2258     flock CLIENTCONF, 2;
2259
2260     my $zip = Archive::Zip->new();
2261
2262     print CLIENTCONF "#OpenVPN Client conf\r\n";
2263     print CLIENTCONF "tls-client\r\n";
2264     print CLIENTCONF "client\r\n";
2265     print CLIENTCONF "nobind\r\n";
2266     print CLIENTCONF "dev tun\r\n";
2267     print CLIENTCONF "proto $vpnsettings{'DPROTOCOL'}\r\n";
2268
2269     # Check if we are using fragment, mssfix and set MTU to 1500
2270     # or use configured value.
2271     if ($vpnsettings{FRAGMENT} ne '' && $vpnsettings{DPROTOCOL} ne 'tcp' )
2272         { print CLIENTCONF "tun-mtu 1500\r\n"; }
2273     elsif ($vpnsettings{MSSFIX} eq 'on')
2274         { print CLIENTCONF "tun-mtu 1500\r\n"; }
2275     else
2276         { print CLIENTCONF "tun-mtu $vpnsettings{'DMTU'}\r\n"; }
2277
2278     if ( $vpnsettings{'ENABLED'} eq 'on'){
2279         print CLIENTCONF "remote $vpnsettings{'VPN_IP'} $vpnsettings{'DDEST_PORT'}\r\n";
2280         if ( $vpnsettings{'ENABLED_BLUE'} eq 'on' && (&haveBlueNet())){
2281             print CLIENTCONF "#Coment the above line and uncoment the next line, if you want to connect on the Blue interface\r\n";
2282             print CLIENTCONF ";remote $netsettings{'BLUE_ADDRESS'} $vpnsettings{'DDEST_PORT'}\r\n";
2283         }
2284         if ( $vpnsettings{'ENABLED_ORANGE'} eq 'on' && (&haveOrangeNet())){
2285             print CLIENTCONF "#Coment the above line and uncoment the next line, if you want to connect on the Orange interface\r\n";
2286             print CLIENTCONF ";remote $netsettings{'ORANGE_ADDRESS'} $vpnsettings{'DDEST_PORT'}\r\n";
2287         }
2288     } elsif ( $vpnsettings{'ENABLED_BLUE'} eq 'on' && (&haveBlueNet())){
2289         print CLIENTCONF "remote $netsettings{'BLUE_ADDRESS'} $vpnsettings{'DDEST_PORT'}\r\n";
2290         if ( $vpnsettings{'ENABLED_ORANGE'} eq 'on' && (&haveOrangeNet())){
2291             print CLIENTCONF "#Coment the above line and uncoment the next line, if you want to connect on the Orange interface\r\n";
2292             print CLIENTCONF ";remote $netsettings{'ORANGE_ADDRESS'} $vpnsettings{'DDEST_PORT'}\r\n";
2293         }
2294     } elsif ( $vpnsettings{'ENABLED_ORANGE'} eq 'on' && (&haveOrangeNet())){
2295         print CLIENTCONF "remote $netsettings{'ORANGE_ADDRESS'} $vpnsettings{'DDEST_PORT'}\r\n";
2296     }
2297
2298     my $file_crt = new File::Temp( UNLINK => 1 );
2299     my $file_key = new File::Temp( UNLINK => 1 );
2300     my $include_certs = 0;
2301
2302     if ($confighash{$cgiparams{'KEY'}}[4] eq 'cert' && -f "${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1].p12") {
2303         if ($cgiparams{'MODE'} eq 'insecure') {
2304                 $include_certs = 1;
2305
2306                 # Add the CA
2307                 print CLIENTCONF ";ca cacert.pem\r\n";
2308                 $zip->addFile("${General::swroot}/ovpn/ca/cacert.pem", "cacert.pem")  or die "Can't add file cacert.pem\n";
2309
2310                 # Extract the certificate
2311                 system('/usr/bin/openssl', 'pkcs12', '-in', "${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1].p12",
2312                         '-clcerts', '-nokeys', '-nodes', '-out', "$file_crt" , '-passin', 'pass:');
2313                 if ($?) {
2314                         die "openssl error: $?";
2315                 }
2316
2317                 $zip->addFile("$file_crt", "$confighash{$cgiparams{'KEY'}}[1].pem") or die;
2318                 print CLIENTCONF ";cert $confighash{$cgiparams{'KEY'}}[1].pem\r\n";
2319
2320                 # Extract the key
2321                 system('/usr/bin/openssl', 'pkcs12', '-in', "${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1].p12",
2322                         '-nocerts', '-nodes', '-out', "$file_key", '-passin', 'pass:');
2323                 if ($?) {
2324                         die "openssl error: $?";
2325                 }
2326
2327                 $zip->addFile("$file_key", "$confighash{$cgiparams{'KEY'}}[1].key") or die;
2328                 print CLIENTCONF ";key $confighash{$cgiparams{'KEY'}}[1].key\r\n";
2329         } else {
2330                 print CLIENTCONF "pkcs12 $confighash{$cgiparams{'KEY'}}[1].p12\r\n";
2331                 $zip->addFile( "${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";
2332         }
2333     } else {
2334         print CLIENTCONF "ca cacert.pem\r\n";
2335         print CLIENTCONF "cert $confighash{$cgiparams{'KEY'}}[1]cert.pem\r\n";
2336         print CLIENTCONF "key $confighash{$cgiparams{'KEY'}}[1].key\r\n";
2337         $zip->addFile( "${General::swroot}/ovpn/ca/cacert.pem", "cacert.pem")  or die "Can't add file cacert.pem\n";
2338         $zip->addFile( "${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1]cert.pem", "$confighash{$cgiparams{'KEY'}}[1]cert.pem") or die "Can't add file $confighash{$cgiparams{'KEY'}}[1]cert.pem\n";
2339     }
2340     print CLIENTCONF "cipher $vpnsettings{DCIPHER}\r\n";
2341         print CLIENTCONF "auth $vpnsettings{'DAUTH'}\r\n";
2342
2343     if ($vpnsettings{'TLSAUTH'} eq 'on') {
2344         if ($cgiparams{'MODE'} eq 'insecure') {
2345                 print CLIENTCONF ";";
2346         }
2347         print CLIENTCONF "tls-auth ta.key\r\n";
2348         $zip->addFile( "${General::swroot}/ovpn/certs/ta.key", "ta.key")  or die "Can't add file ta.key\n";
2349     }
2350     if ($vpnsettings{DCOMPLZO} eq 'on') {
2351         print CLIENTCONF "comp-lzo\r\n";
2352     }
2353     print CLIENTCONF "verb 3\r\n";
2354         # Check host certificate if X509 is RFC3280 compliant.
2355         # If not, old --ns-cert-type directive will be used.
2356         # If appropriate key usage extension exists, new --remote-cert-tls directive will be used.
2357         my $hostcert = `/usr/bin/openssl x509 -text -in ${General::swroot}/ovpn/certs/servercert.pem`;
2358         if ($hostcert !~ /TLS Web Server Authentication/) {
2359                 print CLIENTCONF "ns-cert-type server\r\n";
2360         } else {
2361                 print CLIENTCONF "remote-cert-tls server\r\n";
2362         }
2363     print CLIENTCONF "verify-x509-name $vpnsettings{ROOTCERT_HOSTNAME} name\r\n";
2364     if ($vpnsettings{MSSFIX} eq 'on') {
2365         print CLIENTCONF "mssfix\r\n";
2366     }
2367     if ($vpnsettings{FRAGMENT} ne '' && $vpnsettings{DPROTOCOL} ne 'tcp' ) {
2368         print CLIENTCONF "fragment $vpnsettings{'FRAGMENT'}\r\n";
2369     }
2370
2371     if ($include_certs) {
2372         print CLIENTCONF "\r\n";
2373
2374         # CA
2375         open(FILE, "<${General::swroot}/ovpn/ca/cacert.pem");
2376         print CLIENTCONF "<ca>\r\n";
2377         while (<FILE>) {
2378                 chomp($_);
2379                 print CLIENTCONF "$_\r\n";
2380         }
2381         print CLIENTCONF "</ca>\r\n\r\n";
2382         close(FILE);
2383
2384         # Cert
2385         open(FILE, "<$file_crt");
2386         print CLIENTCONF "<cert>\r\n";
2387         while (<FILE>) {
2388                 chomp($_);
2389                 print CLIENTCONF "$_\r\n";
2390         }
2391         print CLIENTCONF "</cert>\r\n\r\n";
2392         close(FILE);
2393
2394         # Key
2395         open(FILE, "<$file_key");
2396         print CLIENTCONF "<key>\r\n";
2397         while (<FILE>) {
2398                 chomp($_);
2399                 print CLIENTCONF "$_\r\n";
2400         }
2401         print CLIENTCONF "</key>\r\n\r\n";
2402         close(FILE);
2403
2404         # TLS auth
2405         if ($vpnsettings{'TLSAUTH'} eq 'on') {
2406                 open(FILE, "<${General::swroot}/ovpn/certs/ta.key");
2407                 print CLIENTCONF "<tls-auth>\r\n";
2408                 while (<FILE>) {
2409                         chomp($_);
2410                         print CLIENTCONF "$_\r\n";
2411                 }
2412                 print CLIENTCONF "</tls-auth>\r\n\r\n";
2413                 close(FILE);
2414         }
2415     }
2416
2417     # Print client.conf.local if entries exist to client.ovpn
2418     if (!-z $local_clientconf && $vpnsettings{'ADDITIONAL_CONFIGS'} eq 'on') {
2419        open (LCC, "$local_clientconf");
2420                print CLIENTCONF "\n#---------------------------\n";
2421                print CLIENTCONF "# Start of custom directives\n";
2422                print CLIENTCONF "# from client.conf.local\n";
2423                print CLIENTCONF "#---------------------------\n\n";
2424        while (<LCC>) {
2425                print CLIENTCONF $_;
2426        }
2427                print CLIENTCONF "\n#---------------------------\n";
2428                print CLIENTCONF "# End of custom directives\n";
2429                print CLIENTCONF "#---------------------------\n\n";
2430        close (LCC);
2431     }
2432     close(CLIENTCONF);
2433
2434     $zip->addFile( "$tempdir/$clientovpn", $clientovpn) or die "Can't add file $clientovpn\n";
2435     my $status = $zip->writeToFileNamed($zippathname);
2436
2437     open(DLFILE, "<$zippathname") or die "Unable to open $zippathname: $!";
2438     @fileholder = <DLFILE>;
2439     print "Content-Type:application/x-download\n";
2440     print "Content-Disposition:attachment;filename=$zipname\n\n";
2441     print @fileholder;
2442     exit (0);
2443    }
2444
2445
2446
2447 ###
2448 ### Remove connection
2449 ###
2450
2451
2452 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'remove'}) {
2453         &General::readhash("${General::swroot}/ovpn/settings", \%vpnsettings);
2454         &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
2455
2456         if ($confighash{$cgiparams{'KEY'}}) {
2457                 # Revoke certificate if certificate was deleted and rewrite the CRL
2458                 my $temp = `/usr/bin/openssl ca -revoke ${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1]cert.pem -config ${General::swroot}/ovpn/openssl/ovpn.cnf`;
2459                 my $tempA = `/usr/bin/openssl ca -gencrl -out ${General::swroot}/ovpn/crls/cacrl.pem -config ${General::swroot}/ovpn/openssl/ovpn.cnf`;
2460
2461 ###
2462 # m.a.d net2net
2463 ###
2464
2465                 if ($confighash{$cgiparams{'KEY'}}[3] eq 'net') {
2466                         # Stop the N2N connection before it is removed
2467                         system("/usr/local/bin/openvpnctrl -kn2n $confighash{$cgiparams{'KEY'}}[1] &>/dev/null");
2468
2469                         my $conffile = glob("${General::swroot}/ovpn/n2nconf/$confighash{$cgiparams{'KEY'}}[1]/$confighash{$cgiparams{'KEY'}}[1].conf");
2470                         my $certfile = glob("${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1].p12");
2471                         unlink ($certfile);
2472                         unlink ($conffile);
2473
2474                         if (-e "${General::swroot}/ovpn/n2nconf/$confighash{$cgiparams{'KEY'}}[1]") {
2475                                 rmdir ("${General::swroot}/ovpn/n2nconf/$confighash{$cgiparams{'KEY'}}[1]") || die "Kann Verzeichnis nicht loeschen: $!";
2476                         }
2477                 }
2478
2479                 unlink ("${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1]cert.pem");
2480                 unlink ("${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1].p12");
2481
2482 # A.Marx CCD delete ccd files and routes
2483
2484                 if (-f "${General::swroot}/ovpn/ccd/$confighash{$cgiparams{'KEY'}}[2]")
2485                 {
2486                         unlink "${General::swroot}/ovpn/ccd/$confighash{$cgiparams{'KEY'}}[2]";
2487                 }
2488
2489                 &General::readhasharray("${General::swroot}/ovpn/ccdroute", \%ccdroutehash);
2490                 foreach my $key (keys %ccdroutehash) {
2491                         if ($ccdroutehash{$key}[0] eq $confighash{$cgiparams{'KEY'}}[1]){
2492                                 delete $ccdroutehash{$key};
2493                         }
2494                 }
2495                 &General::writehasharray("${General::swroot}/ovpn/ccdroute", \%ccdroutehash);
2496
2497                 &General::readhasharray("${General::swroot}/ovpn/ccdroute2", \%ccdroute2hash);
2498                 foreach my $key (keys %ccdroute2hash) {
2499                         if ($ccdroute2hash{$key}[0] eq $confighash{$cgiparams{'KEY'}}[1]){
2500                                 delete $ccdroute2hash{$key};
2501                         }
2502                 }
2503                 &General::writehasharray("${General::swroot}/ovpn/ccdroute2", \%ccdroute2hash);
2504                 &writeserverconf;
2505
2506 # CCD end
2507                 # Update collectd configuration and delete all RRD files of the removed connection
2508                 &writecollectdconf();
2509                 system ("/usr/local/bin/openvpnctrl -drrd $confighash{$cgiparams{'KEY'}}[1]");
2510
2511                 delete $confighash{$cgiparams{'KEY'}};
2512                 my $temp2 = `/usr/bin/openssl ca -gencrl -out ${General::swroot}/ovpn/crls/cacrl.pem -config ${General::swroot}/ovpn/openssl/ovpn.cnf`;
2513                 &General::writehasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
2514
2515         } else {
2516                 $errormessage = $Lang::tr{'invalid key'};
2517         }
2518         &General::firewall_reload();
2519
2520 ###
2521 ### Download PKCS12 file
2522 ###
2523 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'download pkcs12 file'}) {
2524     &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
2525
2526     print "Content-Disposition: filename=" . $confighash{$cgiparams{'KEY'}}[1] . ".p12\r\n";
2527     print "Content-Type: application/octet-stream\r\n\r\n";
2528     print `/bin/cat ${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1].p12`;
2529     exit (0);
2530
2531 ###
2532 ### Display certificate
2533 ###
2534 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'show certificate'}) {
2535     &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
2536
2537     if ( -f "${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1]cert.pem") {
2538         &Header::showhttpheaders();
2539         &Header::openpage($Lang::tr{'ovpn'}, 1, '');
2540         &Header::openbigbox('100%', 'LEFT', '', '');
2541         &Header::openbox('100%', 'LEFT', "$Lang::tr{'certificate'}:");
2542         my $output = `/usr/bin/openssl x509 -text -in ${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1]cert.pem`;
2543         $output = &Header::cleanhtml($output,"y");
2544         print "<pre>$output</pre>\n";
2545         &Header::closebox();
2546         print "<div align='center'><a href='/cgi-bin/ovpnmain.cgi'>$Lang::tr{'back'}</a></div>";
2547         &Header::closebigbox();
2548         &Header::closepage();
2549         exit(0);
2550     }
2551
2552 ###
2553 ### Display Diffie-Hellman key
2554 ###
2555 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'show dh'}) {
2556
2557     if (! -e "${General::swroot}/ovpn/ca/dh1024.pem") {
2558         $errormessage = $Lang::tr{'not present'};
2559         } else {
2560                 &Header::showhttpheaders();
2561                 &Header::openpage($Lang::tr{'ovpn'}, 1, '');
2562                 &Header::openbigbox('100%', 'LEFT', '', '');
2563                 &Header::openbox('100%', 'LEFT', "$Lang::tr{'dh'}:");
2564                 my $output = `/usr/bin/openssl dhparam -text -in ${General::swroot}/ovpn/ca/dh1024.pem`;
2565                 $output = &Header::cleanhtml($output,"y");
2566                 print "<pre>$output</pre>\n";
2567                 &Header::closebox();
2568                 print "<div align='center'><a href='/cgi-bin/ovpnmain.cgi'>$Lang::tr{'back'}</a></div>";
2569                 &Header::closebigbox();
2570                 &Header::closepage();
2571                 exit(0);
2572     }
2573
2574 ###
2575 ### Display tls-auth key
2576 ###
2577 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'show tls-auth key'}) {
2578
2579     if (! -e "${General::swroot}/ovpn/certs/ta.key") {
2580         $errormessage = $Lang::tr{'not present'};
2581         } else {
2582                 &Header::showhttpheaders();
2583                 &Header::openpage($Lang::tr{'ovpn'}, 1, '');
2584                 &Header::openbigbox('100%', 'LEFT', '', '');
2585                 &Header::openbox('100%', 'LEFT', "$Lang::tr{'ta key'}:");
2586                 my $output = `/bin/cat ${General::swroot}/ovpn/certs/ta.key`;
2587                 $output = &Header::cleanhtml($output,"y");
2588                 print "<pre>$output</pre>\n";
2589                 &Header::closebox();
2590                 print "<div align='center'><a href='/cgi-bin/ovpnmain.cgi'>$Lang::tr{'back'}</a></div>";
2591                 &Header::closebigbox();
2592                 &Header::closepage();
2593                 exit(0);
2594     }
2595
2596 ###
2597 ### Display Certificate Revoke List
2598 ###
2599 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'show crl'}) {
2600 #    &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
2601
2602     if (! -e "${General::swroot}/ovpn/crls/cacrl.pem") {
2603         $errormessage = $Lang::tr{'not present'};
2604         } else {
2605         &Header::showhttpheaders();
2606         &Header::openpage($Lang::tr{'ovpn'}, 1, '');
2607         &Header::openbigbox('100%', 'LEFT', '', '');
2608         &Header::openbox('100%', 'LEFT', "$Lang::tr{'crl'}:");
2609         my $output = `/usr/bin/openssl crl -text -noout -in ${General::swroot}/ovpn/crls/cacrl.pem`;
2610         $output = &Header::cleanhtml($output,"y");
2611         print "<pre>$output</pre>\n";
2612         &Header::closebox();
2613         print "<div align='center'><a href='/cgi-bin/ovpnmain.cgi'>$Lang::tr{'back'}</a></div>";
2614         &Header::closebigbox();
2615         &Header::closepage();
2616         exit(0);
2617     }
2618
2619 ###
2620 ### Advanced Server Settings
2621 ###
2622
2623 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'advanced server'}) {
2624     %cgiparams = ();
2625     %cahash = ();
2626     %confighash = ();
2627     my $disabled;
2628     &General::readhash("${General::swroot}/ovpn/settings", \%cgiparams);
2629     read_routepushfile;
2630
2631
2632 #    if ($cgiparams{'CLIENT2CLIENT'} eq '') {
2633 #       $cgiparams{'CLIENT2CLIENT'} =  'on';
2634 #    }
2635 ADV_ERROR:
2636     if ($cgiparams{'MAX_CLIENTS'} eq '') {
2637                 $cgiparams{'MAX_CLIENTS'} =  '100';
2638     }
2639     if ($cgiparams{'KEEPALIVE_1'} eq '') {
2640                 $cgiparams{'KEEPALIVE_1'} =  '10';
2641     }
2642     if ($cgiparams{'KEEPALIVE_2'} eq '') {
2643                 $cgiparams{'KEEPALIVE_2'} =  '60';
2644     }
2645     if ($cgiparams{'LOG_VERB'} eq '') {
2646                 $cgiparams{'LOG_VERB'} =  '3';
2647     }
2648     if ($cgiparams{'TLSAUTH'} eq '') {
2649                 $cgiparams{'TLSAUTH'} = 'off';
2650     }
2651     $checked{'CLIENT2CLIENT'}{'off'} = '';
2652     $checked{'CLIENT2CLIENT'}{'on'} = '';
2653     $checked{'CLIENT2CLIENT'}{$cgiparams{'CLIENT2CLIENT'}} = 'CHECKED';
2654     $checked{'REDIRECT_GW_DEF1'}{'off'} = '';
2655     $checked{'REDIRECT_GW_DEF1'}{'on'} = '';
2656     $checked{'REDIRECT_GW_DEF1'}{$cgiparams{'REDIRECT_GW_DEF1'}} = 'CHECKED';
2657     $checked{'DCOMPLZO'}{'off'} = '';
2658     $checked{'DCOMPLZO'}{'on'} = '';
2659     $checked{'DCOMPLZO'}{$cgiparams{'DCOMPLZO'}} = 'CHECKED';
2660     $checked{'ADDITIONAL_CONFIGS'}{'off'} = '';
2661     $checked{'ADDITIONAL_CONFIGS'}{'on'} = '';
2662     $checked{'ADDITIONAL_CONFIGS'}{$cgiparams{'ADDITIONAL_CONFIGS'}} = 'CHECKED';
2663     $checked{'MSSFIX'}{'off'} = '';
2664     $checked{'MSSFIX'}{'on'} = '';
2665     $checked{'MSSFIX'}{$cgiparams{'MSSFIX'}} = 'CHECKED';
2666     $selected{'LOG_VERB'}{'0'} = '';
2667     $selected{'LOG_VERB'}{'1'} = '';
2668     $selected{'LOG_VERB'}{'2'} = '';
2669     $selected{'LOG_VERB'}{'3'} = '';
2670     $selected{'LOG_VERB'}{'4'} = '';
2671     $selected{'LOG_VERB'}{'5'} = '';
2672     $selected{'LOG_VERB'}{'6'} = '';
2673     $selected{'LOG_VERB'}{'7'} = '';
2674     $selected{'LOG_VERB'}{'8'} = '';
2675     $selected{'LOG_VERB'}{'9'} = '';
2676     $selected{'LOG_VERB'}{'10'} = '';
2677     $selected{'LOG_VERB'}{'11'} = '';
2678     $selected{'LOG_VERB'}{$cgiparams{'LOG_VERB'}} = 'SELECTED';
2679
2680     &Header::showhttpheaders();
2681     &Header::openpage($Lang::tr{'status ovpn'}, 1, '');
2682     &Header::openbigbox('100%', 'LEFT', '', $errormessage);
2683     if ($errormessage) {
2684         &Header::openbox('100%', 'LEFT', $Lang::tr{'error messages'});
2685         print "<class name='base'>$errormessage\n";
2686         print "&nbsp;</class>\n";
2687         &Header::closebox();
2688     }
2689     &Header::openbox('100%', 'LEFT', $Lang::tr{'advanced server'});
2690     print <<END;
2691     <form method='post' enctype='multipart/form-data'>
2692 <table width='100%' border=0>
2693         <tr>
2694                 <td colspan='4'><b>$Lang::tr{'dhcp-options'}</b></td>
2695     </tr>
2696     <tr>
2697                 <td width='25%'></td> <td width='20%'> </td><td width='25%'> </td><td width='30%'></td>
2698     </tr>
2699     <tr>
2700                 <td class='base'>Domain</td>
2701         <td><input type='TEXT' name='DHCP_DOMAIN' value='$cgiparams{'DHCP_DOMAIN'}' size='30'  /></td>
2702     </tr>
2703     <tr>
2704                 <td class='base'>DNS</td>
2705                 <td><input type='TEXT' name='DHCP_DNS' value='$cgiparams{'DHCP_DNS'}' size='30' /></td>
2706     </tr>
2707     <tr>
2708                 <td class='base'>WINS</td>
2709                 <td><input type='TEXT' name='DHCP_WINS' value='$cgiparams{'DHCP_WINS'}' size='30' /></td>
2710         </tr>
2711     <tr>
2712                 <td colspan='4'><b>$Lang::tr{'ovpn routes push options'}</b></td>
2713     </tr>
2714     <tr>
2715                 <td class='base'>$Lang::tr{'ovpn routes push'}</td>
2716                 <td colspan='2'>
2717                 <textarea name='ROUTES_PUSH' cols='26' rows='6' wrap='off'>
2718 END
2719 ;
2720
2721 if ($cgiparams{'ROUTES_PUSH'} ne '')
2722 {
2723         print $cgiparams{'ROUTES_PUSH'};
2724 }
2725
2726 print <<END;
2727 </textarea></td>
2728 </tr>
2729     </tr>
2730 </table>
2731 <hr size='1'>
2732 <table width='100%'>
2733         <tr>
2734                 <td class'base'><b>$Lang::tr{'misc-options'}</b></td>
2735         </tr>
2736
2737         <tr>
2738                 <td width='20%'></td> <td width='15%'> </td><td width='35%'> </td><td width='20%'></td><td width='35%'></td>
2739         </tr>
2740
2741         <tr>
2742                 <td class='base'>Client-To-Client</td>
2743                 <td><input type='checkbox' name='CLIENT2CLIENT' $checked{'CLIENT2CLIENT'}{'on'} /></td>
2744         </tr>
2745
2746         <tr>
2747                 <td class='base'>Redirect-Gateway def1</td>
2748                 <td><input type='checkbox' name='REDIRECT_GW_DEF1' $checked{'REDIRECT_GW_DEF1'}{'on'} /></td>
2749         </tr>
2750
2751     <tr><td class='boldbase' nowrap='nowrap'>$Lang::tr{'comp-lzo'}</td>
2752         <td><input type='checkbox' name='DCOMPLZO' $checked{'DCOMPLZO'}{'on'} /></td>
2753         <td>$Lang::tr{'openvpn default'}: off <font color='red'>($Lang::tr{'attention'} exploitable via Voracle)</font></td>
2754     </tr>
2755
2756         <tr>
2757                 <td class='base'>$Lang::tr{'ovpn add conf'}</td>
2758                 <td><input type='checkbox' name='ADDITIONAL_CONFIGS' $checked{'ADDITIONAL_CONFIGS'}{'on'} /></td>
2759                 <td>$Lang::tr{'openvpn default'}: off</td>
2760         </tr>
2761
2762         <tr>
2763                 <td class='base'>mssfix</td>
2764                 <td><input type='checkbox' name='MSSFIX' $checked{'MSSFIX'}{'on'} /></td>
2765                 <td>$Lang::tr{'openvpn default'}: off</td>
2766         </tr>
2767
2768         <tr>
2769                 <td class='base'>fragment <br></td>
2770                 <td><input type='TEXT' name='FRAGMENT' value='$cgiparams{'FRAGMENT'}' size='10' /></td>
2771         </tr>
2772
2773
2774         <tr>
2775                 <td class='base'>Max-Clients</td>
2776                 <td><input type='text' name='MAX_CLIENTS' value='$cgiparams{'MAX_CLIENTS'}' size='10' /></td>
2777         </tr>
2778         <tr>
2779                 <td class='base'>Keepalive <br />
2780                 (ping/ping-restart)</td>
2781                 <td><input type='TEXT' name='KEEPALIVE_1' value='$cgiparams{'KEEPALIVE_1'}' size='10' /></td>
2782                 <td><input type='TEXT' name='KEEPALIVE_2' value='$cgiparams{'KEEPALIVE_2'}' size='10' /></td>
2783         </tr>
2784 </table>
2785
2786 <hr size='1'>
2787 <table width='100%'>
2788     <tr>
2789         <td class'base'><b>$Lang::tr{'log-options'}</b></td>
2790     </tr>
2791     <tr>
2792         <td width='20%'></td> <td width='30%'> </td><td width='25%'> </td><td width='25%'></td>
2793     </tr>
2794
2795     <tr><td class='base'>VERB</td>
2796         <td><select name='LOG_VERB'>
2797                         <option value='0'  $selected{'LOG_VERB'}{'0'}>0</option>
2798                         <option value='1'  $selected{'LOG_VERB'}{'1'}>1</option>
2799                         <option value='2'  $selected{'LOG_VERB'}{'2'}>2</option>
2800                         <option value='3'  $selected{'LOG_VERB'}{'3'}>3</option>
2801                         <option value='4'  $selected{'LOG_VERB'}{'4'}>4</option>
2802                         <option value='5'  $selected{'LOG_VERB'}{'5'}>5</option>
2803                         <option value='6'  $selected{'LOG_VERB'}{'6'}>6</option>
2804                         <option value='7'  $selected{'LOG_VERB'}{'7'}>7</option>
2805                         <option value='8'  $selected{'LOG_VERB'}{'8'}>8</option>
2806                         <option value='9'  $selected{'LOG_VERB'}{'9'}>9</option>
2807                         <option value='10' $selected{'LOG_VERB'}{'10'}>10</option>
2808                         <option value='11' $selected{'LOG_VERB'}{'11'}>11</option>
2809         </td></select>
2810     </table>
2811
2812 <hr size='1'>
2813 END
2814
2815 if ( -e "/var/run/openvpn.pid"){
2816 print"  <br><b><font color='#990000'>$Lang::tr{'attention'}:</b></font><br>
2817                 $Lang::tr{'server restart'}<br><br>
2818                 <hr>";
2819         print<<END;
2820 <table width='100%'>
2821 <tr>
2822     <td>&nbsp;</td>
2823     <td allign='center'><input type='submit' name='ACTION' value='$Lang::tr{'save-adv-options'}' disabled='disabled' /></td>
2824     <td allign='center'><input type='submit' name='ACTION' value='$Lang::tr{'cancel-adv-options'}' /></td>
2825     <td>&nbsp;</td>
2826 </tr>
2827 </table>
2828 </form>
2829 END
2830 ;
2831
2832
2833 }else{
2834
2835         print<<END;
2836 <table width='100%'>
2837 <tr>
2838     <td>&nbsp;</td>
2839     <td allign='center'><input type='submit' name='ACTION' value='$Lang::tr{'save-adv-options'}' /></td>
2840     <td allign='center'><input type='submit' name='ACTION' value='$Lang::tr{'cancel-adv-options'}' /></td>
2841     <td>&nbsp;</td>
2842 </tr>
2843 </table>
2844 </form>
2845 END
2846 ;
2847 }
2848     &Header::closebox();
2849 #    print "<div align='center'><a href='/cgi-bin/ovpnmain.cgi'>$Lang::tr{'back'}</a></div>";
2850     &Header::closebigbox();
2851     &Header::closepage();
2852     exit(0);
2853
2854
2855 # A.Marx CCD   Add,delete or edit CCD net
2856
2857 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'ccd net'} ||
2858                 $cgiparams{'ACTION'} eq $Lang::tr{'ccd add'} ||
2859                 $cgiparams{'ACTION'} eq "kill" ||