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
 494         # Check if the new name is valid.
 495         if(!&General::validhostname($newname)) {
 496                 $errormessage=$Lang::tr{'ccd err invalidname'};
 497                 return;
 498         }
 499
 500         &General::readhasharray("${General::swroot}/ovpn/ccd.conf", \%ccdconfhash);
 501         foreach my $key (keys %ccdconfhash) {
 502                 if ($ccdconfhash{$key}[0] eq $oldname) {
 503                         foreach my $key1 (keys %ccdconfhash) {
 504                                 if ($ccdconfhash{$key1}[0] eq $newname){
 505                                         $errormessage=$errormessage.$Lang::tr{'ccd err netadrexist'};
 506                                         return;
 507                                 }else{
 508                                         $ccdconfhash{$key}[0]= $newname;
 509                                         &General::writehasharray("${General::swroot}/ovpn/ccd.conf", \%ccdconfhash);
 510                                         last;
 511                                 }
 512                         }
 513                 }
 514         }
 515
 516         &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%ccdhash);
 517                 foreach my $key (keys %ccdhash) {
 518                         if ($ccdhash{$key}[32] eq $oldname) {
 519                                 $ccdhash{$key}[32]=$newname;
 520                                 &General::writehasharray("${General::swroot}/ovpn/ovpnconfig", \%ccdhash);
 521                                 last;
 522                         }
 523                 }
 524
 525         return 0;
 526 }
 527 sub ccdmaxclients
 528 {
 529         my $ccdnetwork=$_[0];
 530         my @octets=();
 531         my @subnet=();
 532         @octets=split("\/",$ccdnetwork);
 533         @subnet= split /\./, &General::cidrtosub($octets[1]);
 534         my ($a,$b,$c,$d,$e);
 535         $a=256-$subnet[0];
 536         $b=256-$subnet[1];
 537         $c=256-$subnet[2];
 538         $d=256-$subnet[3];
 539         $e=($a*$b*$c*$d)/4;
 540         return $e-1;
 541 }
 542
 543 sub getccdadresses
 544 {
 545         my $ipin=$_[0];
 546         my ($ip1,$ip2,$ip3,$ip4)=split  /\./, $ipin;
 547         my $cidr=$_[1];
 548         chomp($cidr);
 549         my $count=$_[2];
 550         my $hasip=$_[3];
 551         chomp($hasip);
 552         my @iprange=();
 553         my %ccdhash=();
 554         &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%ccdhash);
 555         $iprange[0]=$ip1.".".$ip2.".".$ip3.".".($ip4+2);
 556         for (my $i=1;$i<=$count;$i++) {
 557                 my $tmpip=$iprange[$i-1];
 558                 my $stepper=$i*4;
 559                 $iprange[$i]= &General::getnextip($tmpip,4);
 560         }
 561         my $r=0;
 562         foreach my $key (keys %ccdhash) {
 563                 $r=0;
 564                 foreach  my $tmp (@iprange){
 565                         my ($net,$sub) = split (/\//,$ccdhash{$key}[33]);
 566                         if ($net eq $tmp) {
 567                                 if ( $hasip ne  $ccdhash{$key}[33] ){
 568                                         splice (@iprange,$r,1);
 569                                 }
 570                         }
 571                         $r++;
 572                 }
 573         }
 574         return @iprange;
 575 }
 576
 577 sub fillselectbox
 578 {
 579         my $boxname=$_[1];
 580         my ($ccdip,$subcidr) = split("/",$_[0]);
 581         my $tz=$_[2];
 582         my @allccdips=&getccdadresses($ccdip,$subcidr,&ccdmaxclients($ccdip."/".$subcidr),$tz);
 583         print"<select name='$boxname' STYLE='font-family : arial; font-size : 9pt; width:130px;' >";
 584         foreach (@allccdips) {
 585                 my $ip=$_."/30";
 586                 chomp($ip);
 587                 print "<option value='$ip' ";
 588                 if ( $ip eq $cgiparams{$boxname} ){
 589                         print"selected";
 590                 }
 591                 print ">$ip</option>";
 592         }
 593         print "</select>";
 594 }
 595
 596 sub hostsinnet
 597 {
 598         my $name=$_[0];
 599         my %ccdhash=();
 600         my $i=0;
 601         &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%ccdhash);
 602         foreach my $key (keys %ccdhash) {
 603                 if ($ccdhash{$key}[32] eq $name){ $i++;}
 604         }
 605         return $i;
 606 }
 607
 608 sub check_routes_push
 609 {
 610                         my $val=$_[0];
 611                         my ($ip,$cidr) = split (/\//, $val);
 612                         ##check for existing routes in routes_push
 613                         if (-e "${General::swroot}/ovpn/routes_push") {
 614                                 open(FILE,"${General::swroot}/ovpn/routes_push");
 615                                 while (<FILE>) {
 616                                         $_=~s/\s*$//g;
 617
 618                                         my ($ip2,$cidr2) = split (/\//,"$_");
 619                                         my $val2=$ip2."/".&General::iporsubtodec($cidr2);
 620
 621                                         if($val eq $val2){
 622                                                 return 0;
 623                                         }
 624                                         #subnetcheck
 625                                         if (&General::IpInSubnet ($ip,$ip2,&General::iporsubtodec($cidr2))){
 626                                                 return 0;
 627                                         }
 628                                 };
 629                                 close(FILE);
 630                         }
 631         return 1;
 632 }
 633
 634 sub check_ccdroute
 635 {
 636         my %ccdroutehash=();
 637         my $val=$_[0];
 638         my ($ip,$cidr) = split (/\//, $val);
 639         #check for existing routes in ccdroute
 640         &General::readhasharray("${General::swroot}/ovpn/ccdroute", \%ccdroutehash);
 641         foreach my $key (keys %ccdroutehash) {
 642                 foreach my $i (1 .. $#{$ccdroutehash{$key}}) {
 643                         if (&General::iporsubtodec($val) eq $ccdroutehash{$key}[$i] && $ccdroutehash{$key}[0] ne $cgiparams{'NAME'}){
 644                                 return 0;
 645                         }
 646                         my ($ip2,$cidr2) = split (/\//,$ccdroutehash{$key}[$i]);
 647                         #subnetcheck
 648                         if (&General::IpInSubnet ($ip,$ip2,$cidr2)&& $ccdroutehash{$key}[0] ne $cgiparams{'NAME'} ){
 649                                 return 0;
 650                         }
 651                 }
 652         }
 653         return 1;
 654 }
 655 sub check_ccdconf
 656 {
 657         my %ccdconfhash=();
 658         my $val=$_[0];
 659         my ($ip,$cidr) = split (/\//, $val);
 660         #check for existing routes in ccdroute
 661         &General::readhasharray("${General::swroot}/ovpn/ccd.conf", \%ccdconfhash);
 662         foreach my $key (keys %ccdconfhash) {
 663                 if (&General::iporsubtocidr($val) eq $ccdconfhash{$key}[1]){
 664                                 return 0;
 665                         }
 666                         my ($ip2,$cidr2) = split (/\//,$ccdconfhash{$key}[1]);
 667                         #subnetcheck
 668                         if (&General::IpInSubnet ($ip,$ip2,&General::cidrtosub($cidr2))){
 669                                 return 0;
 670                         }
 671
 672         }
 673         return 1;
 674 }
 675
 676 ###
 677 # m.a.d net2net
 678 ###
 679
 680 sub validdotmask
 681 {
 682         my $ipdotmask = $_[0];
 683         if (&General::validip($ipdotmask)) { return 0; }
 684         if (!($ipdotmask =~ /^(.*?)\/(.*?)$/)) {  }
 685         my $mask = $2;
 686         if (($mask =~ /\./ )) { return 0; }
 687   return 1;
 688 }
 689
 690 # -------------------------------------------------------------------
 691
 692 sub write_routepushfile
 693 {
 694         open(FILE, ">$routes_push_file");
 695         flock(FILE, 2);
 696         if ($vpnsettings{'ROUTES_PUSH'} ne '') {
 697                 print FILE $vpnsettings{'ROUTES_PUSH'};
 698         }
 699         close(FILE);
 700 }
 701
 702 sub read_routepushfile
 703 {
 704         if (-e "$routes_push_file") {
 705                 open(FILE,"$routes_push_file");
 706                 delete $vpnsettings{'ROUTES_PUSH'};
 707                 while (<FILE>) { $vpnsettings{'ROUTES_PUSH'} .= $_ };
 708                 close(FILE);
 709                 $cgiparams{'ROUTES_PUSH'} = $vpnsettings{'ROUTES_PUSH'};
 710
 711         }
 712 }
 713
 714 sub writecollectdconf {
 715         my $vpncollectd;
 716         my %ccdhash=();
 717
 718         open(COLLECTDVPN, ">${General::swroot}/ovpn/collectd.vpn") or die "Unable to open collectd.vpn: $!";
 719         print COLLECTDVPN "Loadplugin openvpn\n";
 720         print COLLECTDVPN "\n";
 721         print COLLECTDVPN "<Plugin openvpn>\n";
 722         print COLLECTDVPN "Statusfile \"/var/run/ovpnserver.log\"\n";
 723
 724         &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%ccdhash);
 725         foreach my $key (keys %ccdhash) {
 726                 if ($ccdhash{$key}[0] eq 'on' && $ccdhash{$key}[3] eq 'net') {
 727                         print COLLECTDVPN "Statusfile \"/var/run/openvpn/$ccdhash{$key}[1]-n2n\"\n";
 728                 }
 729         }
 730
 731         print COLLECTDVPN "</Plugin>\n";
 732         close(COLLECTDVPN);
 733
 734         # Reload collectd afterwards
 735         system("/usr/local/bin/collectdctrl restart &>/dev/null");
 736 }
 737
 738 #hier die refresh page
 739 if ( -e "${General::swroot}/ovpn/gencanow") {
 740     my $refresh = '';
 741     $refresh = "<meta http-equiv='refresh' content='15;' />";
 742     &Header::showhttpheaders();
 743     &Header::openpage($Lang::tr{'OVPN'}, 1, $refresh);
 744     &Header::openbigbox('100%', 'center');
 745     &Header::openbox('100%', 'left', "$Lang::tr{'generate root/host certificates'}:");
 746     print "<tr>\n<td align='center'><img src='/images/clock.gif' alt='' /></td>\n";
 747     print "<td colspan='2'><font color='red'>Please be patient this realy can take some time on older hardware...</font></td></tr>\n";
 748     &Header::closebox();
 749     &Header::closebigbox();
 750     &Header::closepage();
 751     exit (0);
 752 }
 753 ##hier die refresh page
 754
 755
 756 ###
 757 ### OpenVPN Server Control
 758 ###
 759 if ($cgiparams{'ACTION'} eq $Lang::tr{'start ovpn server'} ||
 760     $cgiparams{'ACTION'} eq $Lang::tr{'stop ovpn server'} ||
 761     $cgiparams{'ACTION'} eq $Lang::tr{'restart ovpn server'}) {
 762     #start openvpn server
 763     if ($cgiparams{'ACTION'} eq $Lang::tr{'start ovpn server'}){
 764         &emptyserverlog();
 765         system('/usr/local/bin/openvpnctrl', '-s');
 766     }
 767     #stop openvpn server
 768     if ($cgiparams{'ACTION'} eq $Lang::tr{'stop ovpn server'}){
 769         system('/usr/local/bin/openvpnctrl', '-k');
 770         &emptyserverlog();
 771     }
 772 #    #restart openvpn server
 773 #    if ($cgiparams{'ACTION'} eq $Lang::tr{'restart ovpn server'}){
 774 #workarund, till SIGHUP also works when running as nobody
 775 #       system('/usr/local/bin/openvpnctrl', '-r');
 776 #       &emptyserverlog();
 777 #    }
 778 }
 779
 780 ###
 781 ### Save Advanced options
 782 ###
 783
 784 if ($cgiparams{'ACTION'} eq $Lang::tr{'save-adv-options'}) {
 785     &General::readhash("${General::swroot}/ovpn/settings", \%vpnsettings);
 786     #DAN do we really need (to to check) this value? Besides if we listen on blue and orange too,
 787     #DAN this value has to leave.
 788 #new settings for daemon
 789     $vpnsettings{'LOG_VERB'} = $cgiparams{'LOG_VERB'};
 790     $vpnsettings{'KEEPALIVE_1'} = $cgiparams{'KEEPALIVE_1'};
 791     $vpnsettings{'KEEPALIVE_2'} = $cgiparams{'KEEPALIVE_2'};
 792     $vpnsettings{'MAX_CLIENTS'} = $cgiparams{'MAX_CLIENTS'};
 793     $vpnsettings{'REDIRECT_GW_DEF1'} = $cgiparams{'REDIRECT_GW_DEF1'};
 794     $vpnsettings{'CLIENT2CLIENT'} = $cgiparams{'CLIENT2CLIENT'};
 795     $vpnsettings{'DCOMPLZO'} = $cgiparams{'DCOMPLZO'};
 796     $vpnsettings{'ADDITIONAL_CONFIGS'} = $cgiparams{'ADDITIONAL_CONFIGS'};
 797     $vpnsettings{'DHCP_DOMAIN'} = $cgiparams{'DHCP_DOMAIN'};
 798     $vpnsettings{'DHCP_DNS'} = $cgiparams{'DHCP_DNS'};
 799     $vpnsettings{'DHCP_WINS'} = $cgiparams{'DHCP_WINS'};
 800     $vpnsettings{'ROUTES_PUSH'} = $cgiparams{'ROUTES_PUSH'};
 801     my @temp=();
 802
 803     if ($cgiparams{'FRAGMENT'} eq '') {
 804         delete $vpnsettings{'FRAGMENT'};
 805     } else {
 806         if ($cgiparams{'FRAGMENT'} !~ /^[0-9]+$/) {
 807             $errormessage = "Incorrect value, please insert only numbers.";
 808         goto ADV_ERROR;
 809                 } else {
 810                         $vpnsettings{'FRAGMENT'} = $cgiparams{'FRAGMENT'};
 811         }
 812     }
 813
 814     if ($cgiparams{'MSSFIX'} ne 'on') {
 815         delete $vpnsettings{'MSSFIX'};
 816     } else {
 817         $vpnsettings{'MSSFIX'} = $cgiparams{'MSSFIX'};
 818     }
 819
 820     if ($cgiparams{'DHCP_DOMAIN'} ne ''){
 821         unless (&General::validdomainname($cgiparams{'DHCP_DOMAIN'}) || &General::validip($cgiparams{'DHCP_DOMAIN'})) {
 822                 $errormessage = $Lang::tr{'invalid input for dhcp domain'};
 823         goto ADV_ERROR;
 824         }
 825     }
 826     if ($cgiparams{'DHCP_DNS'} ne ''){
 827         unless (&General::validfqdn($cgiparams{'DHCP_DNS'}) || &General::validip($cgiparams{'DHCP_DNS'})) {
 828                 $errormessage = $Lang::tr{'invalid input for dhcp dns'};
 829         goto ADV_ERROR;
 830         }
 831     }
 832     if ($cgiparams{'DHCP_WINS'} ne ''){
 833         unless (&General::validfqdn($cgiparams{'DHCP_WINS'}) || &General::validip($cgiparams{'DHCP_WINS'})) {
 834                 $errormessage = $Lang::tr{'invalid input for dhcp wins'};
 835                 goto ADV_ERROR;
 836         }
 837     }
 838     if ($cgiparams{'ROUTES_PUSH'} ne ''){
 839         @temp = split(/\n/,$cgiparams{'ROUTES_PUSH'});
 840         undef $vpnsettings{'ROUTES_PUSH'};
 841
 842         foreach my $tmpip (@temp)
 843         {
 844                 s/^\s+//g; s/\s+$//g;
 845
 846                 if ($tmpip)
 847                 {
 848                         $tmpip=~s/\s*$//g;
 849                         unless (&General::validipandmask($tmpip)) {
 850                                 $errormessage = "$tmpip ".$Lang::tr{'ovpn errmsg invalid ip or mask'};
 851                                 goto ADV_ERROR;
 852                         }
 853                         my ($ip, $cidr) = split("\/",&General::ipcidr2msk($tmpip));
 854
 855                         if ($ip eq $netsettings{'GREEN_NETADDRESS'} && $cidr eq $netsettings{'GREEN_NETMASK'}) {
 856                                 $errormessage = $Lang::tr{'ovpn errmsg green already pushed'};
 857                                 goto ADV_ERROR;
 858                         }
 859 # a.marx ccd
 860                         my %ccdroutehash=();
 861                         &General::readhasharray("${General::swroot}/ovpn/ccdroute", \%ccdroutehash);
 862                         foreach my $key (keys %ccdroutehash) {
 863                                 foreach my $i (1 .. $#{$ccdroutehash{$key}}) {
 864                                         if ( $ip."/".$cidr eq $ccdroutehash{$key}[$i] ){
 865                                                 $errormessage="Route $ip\/$cidr ".$Lang::tr{'ccd err inuse'}." $ccdroutehash{$key}[0]" ;
 866                                                 goto ADV_ERROR;
 867                                         }
 868                                         my ($ip2,$cidr2) = split(/\//,$ccdroutehash{$key}[$i]);
 869                                         if (&General::IpInSubnet ($ip,$ip2,$cidr2)){
 870                                                 $errormessage="Route $ip\/$cidr ".$Lang::tr{'ccd err inuse'}." $ccdroutehash{$key}[0]" ;
 871                                                 goto ADV_ERROR;
 872                                         }
 873                                 }
 874                         }
 875
 876 # ccd end
 877
 878                         $vpnsettings{'ROUTES_PUSH'} .= $tmpip."\n";
 879                 }
 880         }
 881     &write_routepushfile;
 882         undef $vpnsettings{'ROUTES_PUSH'};
 883     }
 884         else {
 885         undef $vpnsettings{'ROUTES_PUSH'};
 886         &write_routepushfile;
 887     }
 888     if ((length($cgiparams{'MAX_CLIENTS'}) == 0) || (($cgiparams{'MAX_CLIENTS'}) < 1 ) || (($cgiparams{'MAX_CLIENTS'}) > 255 )) {
 889         $errormessage = $Lang::tr{'invalid input for max clients'};
 890         goto ADV_ERROR;
 891     }
 892     if ($cgiparams{'KEEPALIVE_1'} ne '') {
 893         if ($cgiparams{'KEEPALIVE_1'} !~ /^[0-9]+$/) {
 894             $errormessage = $Lang::tr{'invalid input for keepalive 1'};
 895         goto ADV_ERROR;
 896         }
 897     }
 898     if ($cgiparams{'KEEPALIVE_2'} ne ''){
 899         if ($cgiparams{'KEEPALIVE_2'} !~ /^[0-9]+$/) {
 900             $errormessage = $Lang::tr{'invalid input for keepalive 2'};
 901         goto ADV_ERROR;
 902         }
 903     }
 904     if ($cgiparams{'KEEPALIVE_2'} < ($cgiparams{'KEEPALIVE_1'} * 2)){
 905         $errormessage = $Lang::tr{'invalid input for keepalive 1:2'};
 906         goto ADV_ERROR;
 907     }
 908     &General::writehash("${General::swroot}/ovpn/settings", \%vpnsettings);
 909     &writeserverconf();#hier ok
 910 }
 911
 912 ###
 913 # m.a.d net2net
 914 ###
 915
 916 if ($cgiparams{'ACTION'} eq $Lang::tr{'save'} && $cgiparams{'TYPE'} eq 'net' && $cgiparams{'SIDE'} eq 'server')
 917 {
 918
 919 my @remsubnet = split(/\//,$cgiparams{'REMOTE_SUBNET'});
 920 my @ovsubnettemp =  split(/\./,$cgiparams{'OVPN_SUBNET'});
 921 my $ovsubnet =  "$ovsubnettemp[0].$ovsubnettemp[1].$ovsubnettemp[2]";
 922 my $tunmtu =  '';
 923
 924 unless(-d "${General::swroot}/ovpn/n2nconf/"){mkdir "${General::swroot}/ovpn/n2nconf", 0755 or die "Unable to create dir $!";}
 925 unless(-d "${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}"){mkdir "${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}", 0770 or die "Unable to create dir $!";}
 926
 927   open(SERVERCONF,    ">${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}/$cgiparams{'NAME'}.conf") or die "Unable to open ${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}/$cgiparams{'NAME'}.conf: $!";
 928
 929   flock SERVERCONF, 2;
 930   print SERVERCONF "# IPFire n2n Open VPN Server Config by ummeegge und m.a.d\n";
 931   print SERVERCONF "\n";
 932   print SERVERCONF "# User Security\n";
 933   print SERVERCONF "user nobody\n";
 934   print SERVERCONF "group nobody\n";
 935   print SERVERCONF "persist-tun\n";
 936   print SERVERCONF "persist-key\n";
 937   print SERVERCONF "script-security 2\n";
 938   print SERVERCONF "# IP/DNS for remote Server Gateway\n";
 939
 940   if ($cgiparams{'REMOTE'} ne '') {
 941   print SERVERCONF "remote $cgiparams{'REMOTE'}\n";
 942   }
 943
 944   print SERVERCONF "float\n";
 945   print SERVERCONF "# IP adresses of the VPN Subnet\n";
 946   print SERVERCONF "ifconfig $ovsubnet.1 $ovsubnet.2\n";
 947   print SERVERCONF "# Client Gateway Network\n";
 948   print SERVERCONF "route $remsubnet[0] $remsubnet[1]\n";
 949   print SERVERCONF "up \"/etc/init.d/static-routes start\"\n";
 950   print SERVERCONF "# tun Device\n";
 951   print SERVERCONF "dev tun\n";
 952   print SERVERCONF "#Logfile for statistics\n";
 953   print SERVERCONF "status-version 1\n";
 954   print SERVERCONF "status /var/run/openvpn/$cgiparams{'NAME'}-n2n 10\n";
 955   print SERVERCONF "# Port and Protokol\n";
 956   print SERVERCONF "port $cgiparams{'DEST_PORT'}\n";
 957
 958   if ($cgiparams{'PROTOCOL'} eq 'tcp') {
 959   print SERVERCONF "proto tcp-server\n";
 960   print SERVERCONF "# Packet size\n";
 961   if ($cgiparams{'MTU'} eq '') {$tunmtu = '1400'} else {$tunmtu = $cgiparams{'MTU'}};
 962   print SERVERCONF "tun-mtu $tunmtu\n";
 963   }
 964
 965   if ($cgiparams{'PROTOCOL'} eq 'udp') {
 966   print SERVERCONF "proto udp\n";
 967   print SERVERCONF "# Paketsize\n";
 968   if ($cgiparams{'MTU'} eq '') {$tunmtu = '1500'} else {$tunmtu = $cgiparams{'MTU'}};
 969   print SERVERCONF "tun-mtu $tunmtu\n";
 970   if ($cgiparams{'FRAGMENT'} ne '') {print SERVERCONF "fragment $cgiparams{'FRAGMENT'}\n";}
 971   if ($cgiparams{'MSSFIX'} eq 'on') {print SERVERCONF "mssfix\n"; };
 972   }
 973
 974   print SERVERCONF "# Auth. Server\n";
 975   print SERVERCONF "tls-server\n";
 976   print SERVERCONF "ca ${General::swroot}/ovpn/ca/cacert.pem\n";
 977   print SERVERCONF "cert ${General::swroot}/ovpn/certs/servercert.pem\n";
 978   print SERVERCONF "key ${General::swroot}/ovpn/certs/serverkey.pem\n";
 979   print SERVERCONF "dh ${General::swroot}/ovpn/ca/$cgiparams{'DH_NAME'}\n";
 980   print SERVERCONF "# Cipher\n";
 981   print SERVERCONF "cipher $cgiparams{'DCIPHER'}\n";
 982
 983   # If GCM cipher is used, do not use --auth
 984   if (($cgiparams{'DCIPHER'} eq 'AES-256-GCM') ||
 985       ($cgiparams{'DCIPHER'} eq 'AES-192-GCM') ||
 986       ($cgiparams{'DCIPHER'} eq 'AES-128-GCM')) {
 987     print SERVERCONF unless "# HMAC algorithm\n";
 988     print SERVERCONF unless "auth $cgiparams{'DAUTH'}\n";
 989   } else {
 990     print SERVERCONF "# HMAC algorithm\n";
 991     print SERVERCONF "auth $cgiparams{'DAUTH'}\n";
 992   }
 993
 994   if ($cgiparams{'COMPLZO'} eq 'on') {
 995    print SERVERCONF "# Enable Compression\n";
 996    print SERVERCONF "comp-lzo\n";
 997      }
 998   print SERVERCONF "# Debug Level\n";
 999   print SERVERCONF "verb 3\n";
1000   print SERVERCONF "# Tunnel check\n";
1001   print SERVERCONF "keepalive 10 60\n";
1002   print SERVERCONF "# Start as daemon\n";
1003   print SERVERCONF "daemon $cgiparams{'NAME'}n2n\n";
1004   print SERVERCONF "writepid /var/run/$cgiparams{'NAME'}n2n.pid\n";
1005   print SERVERCONF "# Activate Management Interface and Port\n";
1006   if ($cgiparams{'OVPN_MGMT'} eq '') {print SERVERCONF "management localhost $cgiparams{'DEST_PORT'}\n"}
1007   else {print SERVERCONF "management localhost $cgiparams{'OVPN_MGMT'}\n"};
1008   close(SERVERCONF);
1009
1010 }
1011
1012 ###
1013 # m.a.d net2net
1014 ###
1015
1016 if ($cgiparams{'ACTION'} eq $Lang::tr{'save'} && $cgiparams{'TYPE'} eq 'net' && $cgiparams{'SIDE'} eq 'client')
1017 {
1018
1019         my @ovsubnettemp =  split(/\./,$cgiparams{'OVPN_SUBNET'});
1020         my $ovsubnet =  "$ovsubnettemp[0].$ovsubnettemp[1].$ovsubnettemp[2]";
1021         my @remsubnet =  split(/\//,$cgiparams{'REMOTE_SUBNET'});
1022         my $tunmtu =  '';
1023
1024 unless(-d "${General::swroot}/ovpn/n2nconf/"){mkdir "${General::swroot}/ovpn/n2nconf", 0755 or die "Unable to create dir $!";}
1025 unless(-d "${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}"){mkdir "${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}", 0770 or die "Unable to create dir $!";}
1026
1027   open(CLIENTCONF,    ">${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}/$cgiparams{'NAME'}.conf") or die "Unable to open ${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}/$cgiparams{'NAME'}.conf: $!";
1028
1029   flock CLIENTCONF, 2;
1030   print CLIENTCONF "# IPFire rewritten n2n Open VPN Client Config by ummeegge und m.a.d\n";
1031   print CLIENTCONF "#\n";
1032   print CLIENTCONF "# User Security\n";
1033   print CLIENTCONF "user nobody\n";
1034   print CLIENTCONF "group nobody\n";
1035   print CLIENTCONF "persist-tun\n";
1036   print CLIENTCONF "persist-key\n";
1037   print CLIENTCONF "script-security 2\n";
1038   print CLIENTCONF "# IP/DNS for remote Server Gateway\n";
1039   print CLIENTCONF "remote $cgiparams{'REMOTE'}\n";
1040   print CLIENTCONF "float\n";
1041   print CLIENTCONF "# IP adresses of the VPN Subnet\n";
1042   print CLIENTCONF "ifconfig $ovsubnet.2 $ovsubnet.1\n";
1043   print CLIENTCONF "# Server Gateway Network\n";
1044   print CLIENTCONF "route $remsubnet[0] $remsubnet[1]\n";
1045   print CLIENTCONF "up \"/etc/init.d/static-routes start\"\n";
1046   print CLIENTCONF "# tun Device\n";
1047   print CLIENTCONF "dev tun\n";
1048   print CLIENTCONF "#Logfile for statistics\n";
1049   print CLIENTCONF "status-version 1\n";
1050   print CLIENTCONF "status /var/run/openvpn/$cgiparams{'NAME'}-n2n 10\n";
1051   print CLIENTCONF "# Port and Protokol\n";
1052   print CLIENTCONF "port $cgiparams{'DEST_PORT'}\n";
1053
1054   if ($cgiparams{'PROTOCOL'} eq 'tcp') {
1055   print CLIENTCONF "proto tcp-client\n";
1056   print CLIENTCONF "# Packet size\n";
1057   if ($cgiparams{'MTU'} eq '') {$tunmtu = '1400'} else {$tunmtu = $cgiparams{'MTU'}};
1058   print CLIENTCONF "tun-mtu $tunmtu\n";
1059   }
1060
1061   if ($cgiparams{'PROTOCOL'} eq 'udp') {
1062   print CLIENTCONF "proto udp\n";
1063   print CLIENTCONF "# Paketsize\n";
1064   if ($cgiparams{'MTU'} eq '') {$tunmtu = '1500'} else {$tunmtu = $cgiparams{'MTU'}};
1065   print CLIENTCONF "tun-mtu $tunmtu\n";
1066   if ($cgiparams{'FRAGMENT'} ne '') {print CLIENTCONF "fragment $cgiparams{'FRAGMENT'}\n";}
1067   if ($cgiparams{'MSSFIX'} eq 'on') {print CLIENTCONF "mssfix\n"; };
1068   }
1069
1070   # Check host certificate if X509 is RFC3280 compliant.
1071   # If not, old --ns-cert-type directive will be used.
1072   # If appropriate key usage extension exists, new --remote-cert-tls directive will be used.
1073   my $hostcert = `/usr/bin/openssl x509 -text -in ${General::swroot}/ovpn/certs/servercert.pem`;
1074   if ($hostcert !~ /TLS Web Server Authentication/) {
1075        print CLIENTCONF "ns-cert-type server\n";
1076   } else {
1077        print CLIENTCONF "remote-cert-tls server\n";
1078   }
1079   print CLIENTCONF "# Auth. Client\n";
1080   print CLIENTCONF "tls-client\n";
1081   print CLIENTCONF "# Cipher\n";
1082   print CLIENTCONF "cipher $cgiparams{'DCIPHER'}\n";
1083   print CLIENTCONF "pkcs12 ${General::swroot}/ovpn/certs/$cgiparams{'NAME'}.p12\r\n";
1084
1085   # If GCM cipher is used, do not use --auth
1086   if (($cgiparams{'DCIPHER'} eq 'AES-256-GCM') ||
1087       ($cgiparams{'DCIPHER'} eq 'AES-192-GCM') ||
1088       ($cgiparams{'DCIPHER'} eq 'AES-128-GCM')) {
1089     print CLIENTCONF unless "# HMAC algorithm\n";
1090     print CLIENTCONF unless "auth $cgiparams{'DAUTH'}\n";
1091   } else {
1092     print CLIENTCONF "# HMAC algorithm\n";
1093     print CLIENTCONF "auth $cgiparams{'DAUTH'}\n";
1094   }
1095
1096   if ($cgiparams{'COMPLZO'} eq 'on') {
1097    print CLIENTCONF "# Enable Compression\n";
1098    print CLIENTCONF "comp-lzo\n";
1099   }
1100   print CLIENTCONF "# Debug Level\n";
1101   print CLIENTCONF "verb 3\n";
1102   print CLIENTCONF "# Tunnel check\n";
1103   print CLIENTCONF "keepalive 10 60\n";
1104   print CLIENTCONF "# Start as daemon\n";
1105   print CLIENTCONF "daemon $cgiparams{'NAME'}n2n\n";
1106   print CLIENTCONF "writepid /var/run/$cgiparams{'NAME'}n2n.pid\n";
1107   print CLIENTCONF "# Activate Management Interface and Port\n";
1108   if ($cgiparams{'OVPN_MGMT'} eq '') {print CLIENTCONF "management localhost $cgiparams{'DEST_PORT'}\n"}
1109   else {print CLIENTCONF "management localhost $cgiparams{'OVPN_MGMT'}\n"};
1110   close(CLIENTCONF);
1111
1112 }
1113
1114 ###
1115 ### Save main settings
1116 ###
1117
1118 if ($cgiparams{'ACTION'} eq $Lang::tr{'save'} && $cgiparams{'TYPE'} eq '' && $cgiparams{'KEY'} eq '') {
1119     &General::readhash("${General::swroot}/ovpn/settings", \%vpnsettings);
1120     #DAN do we really need (to to check) this value? Besides if we listen on blue and orange too,
1121     #DAN this value has to leave.
1122     if ($cgiparams{'ENABLED'} eq 'on'){
1123         unless (&General::validfqdn($cgiparams{'VPN_IP'}) || &General::validip($cgiparams{'VPN_IP'})) {
1124                 $errormessage = $Lang::tr{'invalid input for hostname'};
1125         goto SETTINGS_ERROR;
1126         }
1127     }
1128
1129     if (! &General::validipandmask($cgiparams{'DOVPN_SUBNET'})) {
1130             $errormessage = $Lang::tr{'ovpn subnet is invalid'};
1131                         goto SETTINGS_ERROR;
1132     }
1133     my @tmpovpnsubnet = split("\/",$cgiparams{'DOVPN_SUBNET'});
1134
1135     if (&General::IpInSubnet ( $netsettings{'RED_ADDRESS'},
1136         $tmpovpnsubnet[0], $tmpovpnsubnet[1])) {
1137         $errormessage = "$Lang::tr{'ovpn subnet overlap'} IPFire RED Network $netsettings{'RED_ADDRESS'}";
1138         goto SETTINGS_ERROR;
1139     }
1140
1141     if (&General::IpInSubnet ( $netsettings{'GREEN_ADDRESS'},
1142         $tmpovpnsubnet[0], $tmpovpnsubnet[1])) {
1143         $errormessage = "$Lang::tr{'ovpn subnet overlap'} IPFire Green Network $netsettings{'GREEN_ADDRESS'}";
1144         goto SETTINGS_ERROR;
1145     }
1146
1147     if (&General::IpInSubnet ( $netsettings{'BLUE_ADDRESS'},
1148         $tmpovpnsubnet[0], $tmpovpnsubnet[1])) {
1149         $errormessage = "$Lang::tr{'ovpn subnet overlap'} IPFire Blue Network $netsettings{'BLUE_ADDRESS'}";
1150         goto SETTINGS_ERROR;
1151     }
1152
1153     if (&General::IpInSubnet ( $netsettings{'ORANGE_ADDRESS'},
1154         $tmpovpnsubnet[0], $tmpovpnsubnet[1])) {
1155         $errormessage = "$Lang::tr{'ovpn subnet overlap'} IPFire Orange Network $netsettings{'ORANGE_ADDRESS'}";
1156         goto SETTINGS_ERROR;
1157     }
1158     open(ALIASES, "${General::swroot}/ethernet/aliases") or die 'Unable to open aliases file.';
1159     while (<ALIASES>)
1160     {
1161         chomp($_);
1162         my @tempalias = split(/\,/,$_);
1163         if ($tempalias[1] eq 'on') {
1164             if (&General::IpInSubnet ($tempalias[0] ,
1165                 $tmpovpnsubnet[0], $tmpovpnsubnet[1])) {
1166                 $errormessage = "$Lang::tr{'ovpn subnet overlap'} IPFire alias entry $tempalias[0]";
1167             }
1168         }
1169     }
1170     close(ALIASES);
1171     if ($errormessage ne ''){
1172         goto SETTINGS_ERROR;
1173     }
1174     if ($cgiparams{'ENABLED'} !~ /^(on|off)$/) {
1175         $errormessage = $Lang::tr{'invalid input'};
1176         goto SETTINGS_ERROR;
1177     }
1178     if ((length($cgiparams{'DMTU'})==0) || (($cgiparams{'DMTU'}) < 1000 )) {
1179         $errormessage = $Lang::tr{'invalid mtu input'};
1180         goto SETTINGS_ERROR;
1181     }
1182
1183     unless (&General::validport($cgiparams{'DDEST_PORT'})) {
1184         $errormessage = $Lang::tr{'invalid port'};
1185         goto SETTINGS_ERROR;
1186     }
1187
1188         # Create ta.key for tls-auth if not presant
1189         if ($cgiparams{'TLSAUTH'} eq 'on') {
1190                 if ( ! -e "${General::swroot}/ovpn/certs/ta.key") {
1191                         system('/usr/sbin/openvpn', '--genkey', '--secret', "${General::swroot}/ovpn/certs/ta.key");
1192                         if ($?) {
1193                                 $errormessage = "$Lang::tr{'openssl produced an error'}: $?";
1194                                 goto SETTINGS_ERROR;
1195                         }
1196                 }
1197         }
1198
1199     $vpnsettings{'ENABLED_BLUE'} = $cgiparams{'ENABLED_BLUE'};
1200     $vpnsettings{'ENABLED_ORANGE'} =$cgiparams{'ENABLED_ORANGE'};
1201     $vpnsettings{'ENABLED'} = $cgiparams{'ENABLED'};
1202     $vpnsettings{'VPN_IP'} = $cgiparams{'VPN_IP'};
1203 #new settings for daemon
1204     $vpnsettings{'DOVPN_SUBNET'} = $cgiparams{'DOVPN_SUBNET'};
1205     $vpnsettings{'DPROTOCOL'} = $cgiparams{'DPROTOCOL'};
1206     $vpnsettings{'DDEST_PORT'} = $cgiparams{'DDEST_PORT'};
1207     $vpnsettings{'DMTU'} = $cgiparams{'DMTU'};
1208     $vpnsettings{'DCOMPLZO'} = $cgiparams{'DCOMPLZO'};
1209     $vpnsettings{'DCIPHER'} = $cgiparams{'DCIPHER'};
1210     $vpnsettings{'DAUTH'} = $cgiparams{'DAUTH'};
1211     $vpnsettings{'TLSAUTH'} = $cgiparams{'TLSAUTH'};
1212 #wrtie enable
1213
1214   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");}
1215   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");}
1216   if ( $vpnsettings{'ENABLED'} eq 'on' ) {system("touch ${General::swroot}/ovpn/enable 2>/dev/null");}else{system("unlink ${General::swroot}/ovpn/enable 2>/dev/null");}
1217 #new settings for daemon
1218     &General::writehash("${General::swroot}/ovpn/settings", \%vpnsettings);
1219     &writeserverconf();#hier ok
1220 SETTINGS_ERROR:
1221 ###
1222 ### Reset all step 2
1223 ###
1224 }elsif ($cgiparams{'ACTION'} eq $Lang::tr{'remove x509'} && $cgiparams{'AREUSURE'} eq 'yes') {
1225     my $file = '';
1226     &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
1227
1228     # Kill all N2N connections
1229     system("/usr/local/bin/openvpnctrl -kn2n &>/dev/null");
1230
1231     foreach my $key (keys %confighash) {
1232         my $name = $confighash{$cgiparams{'$key'}}[1];
1233
1234         if ($confighash{$key}[4] eq 'cert') {
1235             delete $confighash{$cgiparams{'$key'}};
1236         }
1237
1238         system ("/usr/local/bin/openvpnctrl -drrd $name &>/dev/null");
1239     }
1240     while ($file = glob("${General::swroot}/ovpn/ca/*")) {
1241         unlink $file;
1242     }
1243     while ($file = glob("${General::swroot}/ovpn/certs/*")) {
1244         unlink $file;
1245     }
1246     while ($file = glob("${General::swroot}/ovpn/crls/*")) {
1247         unlink $file;
1248     }
1249         &cleanssldatabase();
1250     if (open(FILE, ">${General::swroot}/ovpn/caconfig")) {
1251         print FILE "";
1252         close FILE;
1253     }
1254     if (open(FILE, ">${General::swroot}/ovpn/ccdroute")) {
1255         print FILE "";
1256         close FILE;
1257     }
1258     if (open(FILE, ">${General::swroot}/ovpn/ccdroute2")) {
1259         print FILE "";
1260         close FILE;
1261     }
1262     while ($file = glob("${General::swroot}/ovpn/ccd/*")) {
1263         unlink $file
1264     }
1265     while ($file = glob("${General::swroot}/ovpn/ccd/*")) {
1266         unlink $file
1267     }
1268     if (open(FILE, ">${General::swroot}/ovpn/ovpn-leases.db")) {
1269         print FILE "";
1270         close FILE;
1271     }
1272     if (open(FILE, ">${General::swroot}/ovpn/ovpnconfig")) {
1273         print FILE "";
1274         close FILE;
1275     }
1276     while ($file = glob("${General::swroot}/ovpn/n2nconf/*")) {
1277         system ("rm -rf $file");
1278     }
1279
1280     # Remove everything from the collectd configuration
1281     &writecollectdconf();
1282
1283     #&writeserverconf();
1284 ###
1285 ### Reset all step 1
1286 ###
1287 }elsif ($cgiparams{'ACTION'} eq $Lang::tr{'remove x509'}) {
1288     &Header::showhttpheaders();
1289     &Header::openpage($Lang::tr{'ovpn'}, 1, '');
1290     &Header::openbigbox('100%', 'left', '', '');
1291     &Header::openbox('100%', 'left', $Lang::tr{'are you sure'});
1292     print <<END;
1293         <form method='post'>
1294                 <table width='100%'>
1295                         <tr>
1296                                 <td align='center'>
1297                                 <input type='hidden' name='AREUSURE' value='yes' />
1298                                 <b><font color='${Header::colourred}'>$Lang::tr{'capswarning'}</font></b>:
1299                                 $Lang::tr{'resetting the vpn configuration will remove the root ca, the host certificate and all certificate based connections'}</td>
1300                         </tr>
1301                         <tr>
1302                                 <td align='center'><input type='submit' name='ACTION' value='$Lang::tr{'remove x509'}' />
1303                                 <input type='submit' name='ACTION' value='$Lang::tr{'cancel'}' /></td>
1304                         </tr>
1305                 </table>
1306         </form>
1307 END
1308     ;
1309     &Header::closebox();
1310     &Header::closebigbox();
1311     &Header::closepage();
1312     exit (0);
1313
1314 ###
1315 ### Generate DH key step 2
1316 ###
1317 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'generate dh key'} && $cgiparams{'AREUSURE'} eq 'yes') {
1318     # Delete if old key exists
1319     if (-f "${General::swroot}/ovpn/ca/$cgiparams{'DH_NAME'}") {
1320         unlink "${General::swroot}/ovpn/ca/$cgiparams{'DH_NAME'}";
1321         }
1322         # Create Diffie Hellmann Parameter
1323         system('/usr/bin/openssl', 'dhparam', '-out', "${General::swroot}/ovpn/ca/dh1024.pem", "$cgiparams{'DHLENGHT'}");
1324         if ($?) {
1325                 $errormessage = "$Lang::tr{'openssl produced an error'}: $?";
1326                 unlink ("${General::swroot}/ovpn/ca/dh1024.pem");
1327         }
1328
1329 ###
1330 ### Generate DH key step 1
1331 ###
1332 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'generate dh key'}) {
1333         &Header::showhttpheaders();
1334         &Header::openpage($Lang::tr{'ovpn'}, 1, '');
1335         &Header::openbigbox('100%', 'LEFT', '', '');
1336         &Header::openbox('100%', 'LEFT', "$Lang::tr{'gen dh'}:");
1337         print <<END;
1338         <table width='100%'>
1339         <tr>
1340                 <td width='20%'> </td> <td width='15%'></td> <td width='65%'></td>
1341         </tr>
1342         <tr>
1343                 <td class='base'>$Lang::tr{'ovpn dh'}:</td>
1344                 <td align='center'>
1345                 <form method='post'><input type='hidden' name='AREUSURE' value='yes' />
1346                 <input type='hidden' name='KEY' value='$cgiparams{'KEY'}' />
1347                         <select name='DHLENGHT'>
1348                                 <option value='2048' $selected{'DHLENGHT'}{'2048'}>2048 $Lang::tr{'bit'}</option>
1349                                 <option value='3072' $selected{'DHLENGHT'}{'3072'}>3072 $Lang::tr{'bit'}</option>
1350                                 <option value='4096' $selected{'DHLENGHT'}{'4096'}>4096 $Lang::tr{'bit'}</option>
1351                         </select>
1352                 </td>
1353         </tr>
1354         <tr><td colspan='4'><br></td></tr>
1355         </table>
1356         <table width='100%'>
1357         <tr>
1358                 <b><font color='${Header::colourred}'>$Lang::tr{'capswarning'}: </font></b>$Lang::tr{'dh key warn'}
1359         </tr>
1360         <tr>
1361                 <td class='base'>$Lang::tr{'dh key warn1'}</td>
1362         </tr>
1363         <tr><td colspan='2'><br></td></tr>
1364         <tr>
1365                 <td align='center'><input type='submit' name='ACTION' value='$Lang::tr{'generate dh key'}' /></td>
1366                 </form>
1367         </tr>
1368         </table>
1369
1370 END
1371         ;
1372         &Header::closebox();
1373         print "<div align='center'><a href='/cgi-bin/ovpnmain.cgi'>$Lang::tr{'back'}</a></div>";
1374         &Header::closebigbox();
1375         &Header::closepage();
1376         exit (0);
1377
1378 ###
1379 ### Upload DH key
1380 ###
1381 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'upload dh key'}) {
1382     unless (ref ($cgiparams{'FH'})) {
1383          $errormessage = $Lang::tr{'there was no file upload'};
1384          goto UPLOADCA_ERROR;
1385     }
1386     # Move uploaded dh key to a temporary file
1387     (my $fh, my $filename) = tempfile( );
1388     if (copy ($cgiparams{'FH'}, $fh) != 1) {
1389         $errormessage = $!;
1390         goto UPLOADCA_ERROR;
1391     }
1392     my $temp = `/usr/bin/openssl dhparam -text -in $filename`;
1393     if ($temp !~ /DH Parameters: \((2048|3072|4096) bit\)/) {
1394         $errormessage = $Lang::tr{'not a valid dh key'};
1395         unlink ($filename);
1396         goto UPLOADCA_ERROR;
1397     } else {
1398     # Delete if old key exists
1399     if (-f "${General::swroot}/ovpn/ca/$cgiparams{'DH_NAME'}") {
1400         unlink "${General::swroot}/ovpn/ca/$cgiparams{'DH_NAME'}";
1401         }
1402     move($filename, "${General::swroot}/ovpn/ca/$cgiparams{'DH_NAME'}");
1403         if ($? ne 0) {
1404                 $errormessage = "$Lang::tr{'dh key move failed'}: $!";
1405                 unlink ($filename);
1406                 goto UPLOADCA_ERROR;
1407         }
1408     }
1409
1410 ###
1411 ### Upload CA Certificate
1412 ###
1413 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'upload ca certificate'}) {
1414     &General::readhasharray("${General::swroot}/ovpn/caconfig", \%cahash);
1415
1416     if ($cgiparams{'CA_NAME'} !~ /^[a-zA-Z0-9]+$/) {
1417         $errormessage = $Lang::tr{'name must only contain characters'};
1418         goto UPLOADCA_ERROR;
1419     }
1420
1421     if (length($cgiparams{'CA_NAME'}) >60) {
1422         $errormessage = $Lang::tr{'name too long'};
1423         goto VPNCONF_ERROR;
1424     }
1425
1426     if ($cgiparams{'CA_NAME'} eq 'ca') {
1427         $errormessage = $Lang::tr{'name is invalid'};
1428         goto UPLOADCA_ERROR;
1429     }
1430
1431     # Check if there is no other entry with this name
1432     foreach my $key (keys %cahash) {
1433         if ($cahash{$key}[0] eq $cgiparams{'CA_NAME'}) {
1434             $errormessage = $Lang::tr{'a ca certificate with this name already exists'};
1435             goto UPLOADCA_ERROR;
1436         }
1437     }
1438
1439     unless (ref ($cgiparams{'FH'})) {
1440         $errormessage = $Lang::tr{'there was no file upload'};
1441         goto UPLOADCA_ERROR;
1442     }
1443     # Move uploaded ca to a temporary file
1444     (my $fh, my $filename) = tempfile( );
1445     if (copy ($cgiparams{'FH'}, $fh) != 1) {
1446         $errormessage = $!;
1447         goto UPLOADCA_ERROR;
1448     }
1449     my $temp = `/usr/bin/openssl x509 -text -in $filename`;
1450     if ($temp !~ /CA:TRUE/i) {
1451         $errormessage = $Lang::tr{'not a valid ca certificate'};
1452         unlink ($filename);
1453         goto UPLOADCA_ERROR;
1454     } else {
1455         move($filename, "${General::swroot}/ovpn/ca/$cgiparams{'CA_NAME'}cert.pem");
1456         if ($? ne 0) {
1457             $errormessage = "$Lang::tr{'certificate file move failed'}: $!";
1458             unlink ($filename);
1459             goto UPLOADCA_ERROR;
1460         }
1461     }
1462
1463     my $casubject = `/usr/bin/openssl x509 -text -in ${General::swroot}/ovpn/ca/$cgiparams{'CA_NAME'}cert.pem`;
1464     $casubject    =~ /Subject: (.*)[\n]/;
1465     $casubject    = $1;
1466     $casubject    =~ s+/Email+, E+;
1467     $casubject    =~ s/ ST=/ S=/;
1468     $casubject    = &Header::cleanhtml($casubject);
1469
1470     my $key = &General::findhasharraykey (\%cahash);
1471     $cahash{$key}[0] = $cgiparams{'CA_NAME'};
1472     $cahash{$key}[1] = $casubject;
1473     &General::writehasharray("${General::swroot}/ovpn/caconfig", \%cahash);
1474 #    system('/usr/local/bin/ipsecctrl', 'R');
1475
1476     UPLOADCA_ERROR:
1477
1478 ###
1479 ### Display ca certificate
1480 ###
1481 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'show ca certificate'}) {
1482     &General::readhasharray("${General::swroot}/ovpn/caconfig", \%cahash);
1483
1484     if ( -f "${General::swroot}/ovpn/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem") {
1485         &Header::showhttpheaders();
1486         &Header::openpage($Lang::tr{'ovpn'}, 1, '');
1487         &Header::openbigbox('100%', 'LEFT', '', $errormessage);
1488         &Header::openbox('100%', 'LEFT', "$Lang::tr{'ca certificate'}:");
1489         my $output = `/usr/bin/openssl x509 -text -in ${General::swroot}/ovpn/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem`;
1490         $output = &Header::cleanhtml($output,"y");
1491         print "<pre>$output</pre>\n";
1492         &Header::closebox();
1493         print "<div align='center'><a href='/cgi-bin/ovpnmain.cgi'>$Lang::tr{'back'}</a></div>";
1494         &Header::closebigbox();
1495         &Header::closepage();
1496         exit(0);
1497     } else {
1498         $errormessage = $Lang::tr{'invalid key'};
1499     }
1500
1501 ###
1502 ### Download ca certificate
1503 ###
1504 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'download ca certificate'}) {
1505     &General::readhasharray("${General::swroot}/ovpn/caconfig", \%cahash);
1506
1507     if ( -f "${General::swroot}/ovpn/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem" ) {
1508         print "Content-Type: application/octet-stream\r\n";
1509         print "Content-Disposition: filename=$cahash{$cgiparams{'KEY'}}[0]cert.pem\r\n\r\n";
1510         print `/usr/bin/openssl x509 -in ${General::swroot}/ovpn/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem`;
1511         exit(0);
1512     } else {
1513         $errormessage = $Lang::tr{'invalid key'};
1514     }
1515
1516 ###
1517 ### Remove ca certificate (step 2)
1518 ###
1519 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'remove ca certificate'} && $cgiparams{'AREUSURE'} eq 'yes') {
1520     &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
1521     &General::readhasharray("${General::swroot}/ovpn/caconfig", \%cahash);
1522
1523     if ( -f "${General::swroot}/ovpn/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem" ) {
1524         foreach my $key (keys %confighash) {
1525             my $test = `/usr/bin/openssl verify -CAfile ${General::swroot}/ovpn/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem ${General::swroot}/ovpn/certs/$confighash{$key}[1]cert.pem`;
1526             if ($test =~ /: OK/) {
1527                 # Delete connection
1528 #               if ($vpnsettings{'ENABLED'} eq 'on' ||
1529 #                   $vpnsettings{'ENABLED_BLUE'} eq 'on') {
1530 #                   system('/usr/local/bin/ipsecctrl', 'D', $key);
1531 #               }
1532                 unlink ("${General::swroot}/ovpn//certs/$confighash{$key}[1]cert.pem");
1533                 unlink ("${General::swroot}/ovpn/certs/$confighash{$key}[1].p12");
1534                 delete $confighash{$key};
1535                 &General::writehasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
1536 #               &writeipsecfiles();
1537             }
1538         }
1539         unlink ("${General::swroot}/ovpn/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem");
1540         delete $cahash{$cgiparams{'KEY'}};
1541         &General::writehasharray("${General::swroot}/ovpn/caconfig", \%cahash);
1542 #       system('/usr/local/bin/ipsecctrl', 'R');
1543     } else {
1544         $errormessage = $Lang::tr{'invalid key'};
1545     }
1546 ###
1547 ### Remove ca certificate (step 1)
1548 ###
1549 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'remove ca certificate'}) {
1550     &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
1551     &General::readhasharray("${General::swroot}/ovpn/caconfig", \%cahash);
1552
1553     my $assignedcerts = 0;
1554     if ( -f "${General::swroot}/ovpn/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem" ) {
1555         foreach my $key (keys %confighash) {
1556             my $test = `/usr/bin/openssl verify -CAfile ${General::swroot}/ovpn/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem ${General::swroot}/ovpn/certs/$confighash{$key}[1]cert.pem`;
1557             if ($test =~ /: OK/) {
1558                 $assignedcerts++;
1559             }
1560         }
1561         if ($assignedcerts) {
1562             &Header::showhttpheaders();
1563             &Header::openpage($Lang::tr{'ovpn'}, 1, '');
1564             &Header::openbigbox('100%', 'LEFT', '', $errormessage);
1565             &Header::openbox('100%', 'LEFT', $Lang::tr{'are you sure'});
1566             print <<END;
1567                 <table><form method='post'><input type='hidden' name='AREUSURE' value='yes' />
1568                        <input type='hidden' name='KEY' value='$cgiparams{'KEY'}' />
1569                     <tr><td align='center'>
1570                         <b><font color='${Header::colourred}'>$Lang::tr{'capswarning'}</font></b>: $assignedcerts
1571                         $Lang::tr{'connections are associated with this ca.  deleting the ca will delete these connections as well.'}
1572                     <tr><td align='center'><input type='submit' name='ACTION' value='$Lang::tr{'remove ca certificate'}' />
1573                         <input type='submit' name='ACTION' value='$Lang::tr{'cancel'}' /></td></tr>
1574                 </form></table>
1575 END
1576             ;
1577             &Header::closebox();
1578             &Header::closebigbox();
1579             &Header::closepage();
1580             exit (0);
1581         } else {
1582             unlink ("${General::swroot}/ovpn/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem");
1583             delete $cahash{$cgiparams{'KEY'}};
1584             &General::writehasharray("${General::swroot}/ovpn/caconfig", \%cahash);
1585 #           system('/usr/local/bin/ipsecctrl', 'R');
1586         }
1587     } else {
1588         $errormessage = $Lang::tr{'invalid key'};
1589     }
1590
1591 ###
1592 ### Display root certificate
1593 ###
1594 }elsif ($cgiparams{'ACTION'} eq $Lang::tr{'show root certificate'} ||
1595     $cgiparams{'ACTION'} eq $Lang::tr{'show host certificate'}) {
1596     my $output;
1597     &Header::showhttpheaders();
1598     &Header::openpage($Lang::tr{'ovpn'}, 1, '');
1599     &Header::openbigbox('100%', 'LEFT', '', '');
1600     if ($cgiparams{'ACTION'} eq $Lang::tr{'show root certificate'}) {
1601         &Header::openbox('100%', 'LEFT', "$Lang::tr{'root certificate'}:");
1602         $output = `/usr/bin/openssl x509 -text -in ${General::swroot}/ovpn/ca/cacert.pem`;
1603     } else {
1604         &Header::openbox('100%', 'LEFT', "$Lang::tr{'host certificate'}:");
1605         $output = `/usr/bin/openssl x509 -text -in ${General::swroot}/ovpn/certs/servercert.pem`;
1606     }
1607     $output = &Header::cleanhtml($output,"y");
1608     print "<pre>$output</pre>\n";
1609     &Header::closebox();
1610     print "<div align='center'><a href='/cgi-bin/ovpnmain.cgi'>$Lang::tr{'back'}</a></div>";
1611     &Header::closebigbox();
1612     &Header::closepage();
1613     exit(0);
1614
1615 ###
1616 ### Download root certificate
1617 ###
1618 }elsif ($cgiparams{'ACTION'} eq $Lang::tr{'download root certificate'}) {
1619     if ( -f "${General::swroot}/ovpn/ca/cacert.pem" ) {
1620         print "Content-Type: application/octet-stream\r\n";
1621         print "Content-Disposition: filename=cacert.pem\r\n\r\n";
1622         print `/usr/bin/openssl x509 -in ${General::swroot}/ovpn/ca/cacert.pem`;
1623         exit(0);
1624     }
1625
1626 ###
1627 ### Download host certificate
1628 ###
1629 }elsif ($cgiparams{'ACTION'} eq $Lang::tr{'download host certificate'}) {
1630     if ( -f "${General::swroot}/ovpn/certs/servercert.pem" ) {
1631         print "Content-Type: application/octet-stream\r\n";
1632         print "Content-Disposition: filename=servercert.pem\r\n\r\n";
1633         print `/usr/bin/openssl x509 -in ${General::swroot}/ovpn/certs/servercert.pem`;
1634         exit(0);
1635     }
1636
1637 ###
1638 ### Download tls-auth key
1639 ###
1640 }elsif ($cgiparams{'ACTION'} eq $Lang::tr{'download tls-auth key'}) {
1641     if ( -f "${General::swroot}/ovpn/certs/ta.key" ) {
1642         print "Content-Type: application/octet-stream\r\n";
1643         print "Content-Disposition: filename=ta.key\r\n\r\n";
1644         print `/bin/cat ${General::swroot}/ovpn/certs/ta.key`;
1645         exit(0);
1646     }
1647
1648 ###
1649 ### Form for generating a root certificate
1650 ###
1651 }elsif ($cgiparams{'ACTION'} eq $Lang::tr{'generate root/host certificates'} ||
1652          $cgiparams{'ACTION'} eq $Lang::tr{'upload p12 file'}) {
1653
1654     &General::readhash("${General::swroot}/ovpn/settings", \%vpnsettings);
1655     if (-f "${General::swroot}/ovpn/ca/cacert.pem") {
1656         $errormessage = $Lang::tr{'valid root certificate already exists'};
1657         $cgiparams{'ACTION'} = '';
1658         goto ROOTCERT_ERROR;
1659     }
1660
1661     if (($cgiparams{'ROOTCERT_HOSTNAME'} eq '') && -e "${General::swroot}/red/active") {
1662         if (open(IPADDR, "${General::swroot}/red/local-ipaddress")) {
1663             my $ipaddr = <IPADDR>;
1664             close IPADDR;
1665             chomp ($ipaddr);
1666             $cgiparams{'ROOTCERT_HOSTNAME'} = (gethostbyaddr(pack("C4", split(/\./, $ipaddr)), 2))[0];
1667             if ($cgiparams{'ROOTCERT_HOSTNAME'} eq '') {
1668                 $cgiparams{'ROOTCERT_HOSTNAME'} = $ipaddr;
1669             }
1670         }
1671     } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'upload p12 file'}) {
1672         unless (ref ($cgiparams{'FH'})) {
1673             $errormessage = $Lang::tr{'there was no file upload'};
1674             goto ROOTCERT_ERROR;
1675         }
1676
1677         # Move uploaded certificate request to a temporary file
1678         (my $fh, my $filename) = tempfile( );
1679         if (copy ($cgiparams{'FH'}, $fh) != 1) {
1680             $errormessage = $!;
1681             goto ROOTCERT_ERROR;
1682         }
1683
1684         # Create a temporary dirctory
1685         my $tempdir = tempdir( CLEANUP => 1 );
1686
1687         # Extract the CA certificate from the file
1688         my $pid = open(OPENSSL, "|-");
1689         $SIG{ALRM} = sub { $errormessage = $Lang::tr{'broken pipe'}; goto ROOTCERT_ERROR;};
1690         if ($pid) {     # parent
1691             if ($cgiparams{'P12_PASS'} ne '') {
1692                 print OPENSSL "$cgiparams{'P12_PASS'}\n";
1693             }
1694             close (OPENSSL);
1695             if ($?) {
1696                 $errormessage = "$Lang::tr{'openssl produced an error'}: $?";
1697                 unlink ($filename);
1698                 goto ROOTCERT_ERROR;
1699             }
1700         } else {        # child
1701             unless (exec ('/usr/bin/openssl', 'pkcs12', '-cacerts', '-nokeys',
1702                     '-in', $filename,
1703                     '-out', "$tempdir/cacert.pem")) {
1704                 $errormessage = "$Lang::tr{'cant start openssl'}: $!";
1705                 unlink ($filename);
1706                 goto ROOTCERT_ERROR;
1707             }
1708         }
1709
1710         # Extract the Host certificate from the file
1711         $pid = open(OPENSSL, "|-");
1712         $SIG{ALRM} = sub { $errormessage = $Lang::tr{'broken pipe'}; goto ROOTCERT_ERROR;};
1713         if ($pid) {     # parent
1714             if ($cgiparams{'P12_PASS'} ne '') {
1715                 print OPENSSL "$cgiparams{'P12_PASS'}\n";
1716             }
1717             close (OPENSSL);
1718             if ($?) {
1719                 $errormessage = "$Lang::tr{'openssl produced an error'}: $?";
1720                 unlink ($filename);
1721                 goto ROOTCERT_ERROR;
1722             }
1723         } else {        # child
1724             unless (exec ('/usr/bin/openssl', 'pkcs12', '-clcerts', '-nokeys',
1725                     '-in', $filename,
1726                     '-out', "$tempdir/hostcert.pem")) {
1727                 $errormessage = "$Lang::tr{'cant start openssl'}: $!";
1728                 unlink ($filename);
1729                 goto ROOTCERT_ERROR;
1730             }
1731         }
1732
1733         # Extract the Host key from the file
1734         $pid = open(OPENSSL, "|-");
1735         $SIG{ALRM} = sub { $errormessage = $Lang::tr{'broken pipe'}; goto ROOTCERT_ERROR;};
1736         if ($pid) {     # parent
1737             if ($cgiparams{'P12_PASS'} ne '') {
1738                 print OPENSSL "$cgiparams{'P12_PASS'}\n";
1739             }
1740             close (OPENSSL);
1741             if ($?) {
1742                 $errormessage = "$Lang::tr{'openssl produced an error'}: $?";
1743                 unlink ($filename);
1744                 goto ROOTCERT_ERROR;
1745             }
1746         } else {        # child
1747             unless (exec ('/usr/bin/openssl', 'pkcs12', '-nocerts',
1748                     '-nodes',
1749                     '-in', $filename,
1750                     '-out', "$tempdir/serverkey.pem")) {
1751                 $errormessage = "$Lang::tr{'cant start openssl'}: $!";
1752                 unlink ($filename);
1753                 goto ROOTCERT_ERROR;
1754             }
1755         }
1756
1757         move("$tempdir/cacert.pem", "${General::swroot}/ovpn/ca/cacert.pem");
1758         if ($? ne 0) {
1759             $errormessage = "$Lang::tr{'certificate file move failed'}: $!";
1760             unlink ($filename);
1761             unlink ("${General::swroot}/ovpn/ca/cacert.pem");
1762             unlink ("${General::swroot}/ovpn/certs/servercert.pem");
1763             unlink ("${General::swroot}/ovpn/certs/serverkey.pem");
1764             goto ROOTCERT_ERROR;
1765         }
1766
1767         move("$tempdir/hostcert.pem", "${General::swroot}/ovpn/certs/servercert.pem");
1768         if ($? ne 0) {
1769             $errormessage = "$Lang::tr{'certificate file move failed'}: $!";
1770             unlink ($filename);
1771             unlink ("${General::swroot}/ovpn/ca/cacert.pem");
1772             unlink ("${General::swroot}/ovpn/certs/servercert.pem");
1773             unlink ("${General::swroot}/ovpn/certs/serverkey.pem");
1774             goto ROOTCERT_ERROR;
1775         }
1776
1777         move("$tempdir/serverkey.pem", "${General::swroot}/ovpn/certs/serverkey.pem");
1778         if ($? ne 0) {
1779             $errormessage = "$Lang::tr{'certificate file move failed'}: $!";
1780             unlink ($filename);
1781             unlink ("${General::swroot}/ovpn/ca/cacert.pem");
1782             unlink ("${General::swroot}/ovpn/certs/servercert.pem");
1783             unlink ("${General::swroot}/ovpn/certs/serverkey.pem");
1784             goto ROOTCERT_ERROR;
1785         }
1786
1787         goto ROOTCERT_SUCCESS;
1788
1789     } elsif ($cgiparams{'ROOTCERT_COUNTRY'} ne '') {
1790
1791         # Validate input since the form was submitted
1792         if ($cgiparams{'ROOTCERT_ORGANIZATION'} eq ''){
1793             $errormessage = $Lang::tr{'organization cant be empty'};
1794             goto ROOTCERT_ERROR;
1795         }
1796         if (length($cgiparams{'ROOTCERT_ORGANIZATION'}) >60) {
1797             $errormessage = $Lang::tr{'organization too long'};
1798             goto ROOTCERT_ERROR;
1799         }
1800         if ($cgiparams{'ROOTCERT_ORGANIZATION'} !~ /^[a-zA-Z0-9 ,\.\-_]*$/) {
1801             $errormessage = $Lang::tr{'invalid input for organization'};
1802             goto ROOTCERT_ERROR;
1803         }
1804         if ($cgiparams{'ROOTCERT_HOSTNAME'} eq ''){
1805             $errormessage = $Lang::tr{'hostname cant be empty'};
1806             goto ROOTCERT_ERROR;
1807         }
1808         unless (&General::validfqdn($cgiparams{'ROOTCERT_HOSTNAME'}) || &General::validip($cgiparams{'ROOTCERT_HOSTNAME'})) {
1809             $errormessage = $Lang::tr{'invalid input for hostname'};
1810             goto ROOTCERT_ERROR;
1811         }
1812         if ($cgiparams{'ROOTCERT_EMAIL'} ne '' && (! &General::validemail($cgiparams{'ROOTCERT_EMAIL'}))) {
1813             $errormessage = $Lang::tr{'invalid input for e-mail address'};
1814             goto ROOTCERT_ERROR;
1815         }
1816         if (length($cgiparams{'ROOTCERT_EMAIL'}) > 40) {
1817             $errormessage = $Lang::tr{'e-mail address too long'};
1818             goto ROOTCERT_ERROR;
1819         }
1820         if ($cgiparams{'ROOTCERT_OU'} ne '' && $cgiparams{'ROOTCERT_OU'} !~ /^[a-zA-Z0-9 ,\.\-_]*$/) {
1821             $errormessage = $Lang::tr{'invalid input for department'};
1822             goto ROOTCERT_ERROR;
1823         }
1824         if ($cgiparams{'ROOTCERT_CITY'} ne '' && $cgiparams{'ROOTCERT_CITY'} !~ /^[a-zA-Z0-9 ,\.\-_]*$/) {
1825             $errormessage = $Lang::tr{'invalid input for city'};
1826             goto ROOTCERT_ERROR;
1827         }
1828         if ($cgiparams{'ROOTCERT_STATE'} ne '' && $cgiparams{'ROOTCERT_STATE'} !~ /^[a-zA-Z0-9 ,\.\-_]*$/) {
1829             $errormessage = $Lang::tr{'invalid input for state or province'};
1830             goto ROOTCERT_ERROR;
1831         }
1832         if ($cgiparams{'ROOTCERT_COUNTRY'} !~ /^[A-Z]*$/) {
1833             $errormessage = $Lang::tr{'invalid input for country'};
1834             goto ROOTCERT_ERROR;
1835         }
1836
1837         # Copy the cgisettings to vpnsettings and save the configfile
1838         $vpnsettings{'ROOTCERT_ORGANIZATION'}   = $cgiparams{'ROOTCERT_ORGANIZATION'};
1839         $vpnsettings{'ROOTCERT_HOSTNAME'}       = $cgiparams{'ROOTCERT_HOSTNAME'};
1840         $vpnsettings{'ROOTCERT_EMAIL'}          = $cgiparams{'ROOTCERT_EMAIL'};
1841         $vpnsettings{'ROOTCERT_OU'}             = $cgiparams{'ROOTCERT_OU'};
1842         $vpnsettings{'ROOTCERT_CITY'}           = $cgiparams{'ROOTCERT_CITY'};
1843         $vpnsettings{'ROOTCERT_STATE'}          = $cgiparams{'ROOTCERT_STATE'};
1844         $vpnsettings{'ROOTCERT_COUNTRY'}        = $cgiparams{'ROOTCERT_COUNTRY'};
1845         &General::writehash("${General::swroot}/ovpn/settings", \%vpnsettings);
1846
1847         # Replace empty strings with a .
1848         (my $ou = $cgiparams{'ROOTCERT_OU'}) =~ s/^\s*$/\./;
1849         (my $city = $cgiparams{'ROOTCERT_CITY'}) =~ s/^\s*$/\./;
1850         (my $state = $cgiparams{'ROOTCERT_STATE'}) =~ s/^\s*$/\./;
1851
1852         # refresh
1853         #system ('/bin/touch', "${General::swroot}/ovpn/gencanow");
1854
1855         # Create the CA certificate
1856         my $pid = open(OPENSSL, "|-");
1857         $SIG{ALRM} = sub { $errormessage = $Lang::tr{'broken pipe'}; goto ROOTCERT_ERROR;};
1858         if ($pid) {     # parent
1859             print OPENSSL "$cgiparams{'ROOTCERT_COUNTRY'}\n";
1860             print OPENSSL "$state\n";
1861             print OPENSSL "$city\n";
1862             print OPENSSL "$cgiparams{'ROOTCERT_ORGANIZATION'}\n";
1863             print OPENSSL "$ou\n";
1864             print OPENSSL "$cgiparams{'ROOTCERT_ORGANIZATION'} CA\n";
1865             print OPENSSL "$cgiparams{'ROOTCERT_EMAIL'}\n";
1866             close (OPENSSL);
1867             if ($?) {
1868                 $errormessage = "$Lang::tr{'openssl produced an error'}: $?";
1869                 unlink ("${General::swroot}/ovpn/ca/cakey.pem");
1870                 unlink ("${General::swroot}/ovpn/ca/cacert.pem");
1871                 goto ROOTCERT_ERROR;
1872             }
1873         } else {        # child
1874             unless (exec ('/usr/bin/openssl', 'req', '-x509', '-nodes',
1875                         '-days', '999999', '-newkey', 'rsa:4096', '-sha512',
1876                         '-keyout', "${General::swroot}/ovpn/ca/cakey.pem",
1877                         '-out', "${General::swroot}/ovpn/ca/cacert.pem",
1878                         '-config',"${General::swroot}/ovpn/openssl/ovpn.cnf")) {
1879                 $errormessage = "$Lang::tr{'cant start openssl'}: $!";
1880                 goto ROOTCERT_ERROR;
1881             }
1882         }
1883
1884         # Create the Host certificate request
1885         $pid = open(OPENSSL, "|-");
1886         $SIG{ALRM} = sub { $errormessage = $Lang::tr{'broken pipe'}; goto ROOTCERT_ERROR;};
1887         if ($pid) {     # parent
1888             print OPENSSL "$cgiparams{'ROOTCERT_COUNTRY'}\n";
1889             print OPENSSL "$state\n";
1890             print OPENSSL "$city\n";
1891             print OPENSSL "$cgiparams{'ROOTCERT_ORGANIZATION'}\n";
1892             print OPENSSL "$ou\n";
1893             print OPENSSL "$cgiparams{'ROOTCERT_HOSTNAME'}\n";
1894             print OPENSSL "$cgiparams{'ROOTCERT_EMAIL'}\n";
1895             print OPENSSL ".\n";
1896             print OPENSSL ".\n";
1897             close (OPENSSL);
1898             if ($?) {
1899                 $errormessage = "$Lang::tr{'openssl produced an error'}: $?";
1900                 unlink ("${General::swroot}/ovpn/certs/serverkey.pem");
1901                 unlink ("${General::swroot}/ovpn/certs/serverreq.pem");
1902                 goto ROOTCERT_ERROR;
1903             }
1904         } else {        # child
1905             unless (exec ('/usr/bin/openssl', 'req', '-nodes',
1906                         '-newkey', 'rsa:2048',
1907                         '-keyout', "${General::swroot}/ovpn/certs/serverkey.pem",
1908                         '-out', "${General::swroot}/ovpn/certs/serverreq.pem",
1909                         '-extensions', 'server',
1910                         '-config', "${General::swroot}/ovpn/openssl/ovpn.cnf" )) {
1911                 $errormessage = "$Lang::tr{'cant start openssl'}: $!";
1912                 unlink ("${General::swroot}/ovpn/certs/serverkey.pem");
1913                 unlink ("${General::swroot}/ovpn/certs/serverreq.pem");
1914                 unlink ("${General::swroot}/ovpn/ca/cakey.pem");
1915                 unlink ("${General::swroot}/ovpn/ca/cacert.pem");
1916                 goto ROOTCERT_ERROR;
1917             }
1918         }
1919
1920         # Sign the host certificate request
1921         system('/usr/bin/openssl', 'ca', '-days', '999999',
1922                 '-batch', '-notext',
1923                 '-in',  "${General::swroot}/ovpn/certs/serverreq.pem",
1924                 '-out', "${General::swroot}/ovpn/certs/servercert.pem",
1925                 '-extensions', 'server',
1926                 '-config', "${General::swroot}/ovpn/openssl/ovpn.cnf");
1927         if ($?) {
1928             $errormessage = "$Lang::tr{'openssl produced an error'}: $?";
1929             unlink ("${General::swroot}/ovpn/ca/cakey.pem");
1930             unlink ("${General::swroot}/ovpn/ca/cacert.pem");
1931             unlink ("${General::swroot}/ovpn/serverkey.pem");
1932             unlink ("${General::swroot}/ovpn/certs/serverreq.pem");
1933             unlink ("${General::swroot}/ovpn/certs/servercert.pem");
1934             &newcleanssldatabase();
1935             goto ROOTCERT_ERROR;
1936         } else {
1937             unlink ("${General::swroot}/ovpn/certs/serverreq.pem");
1938             &deletebackupcert();
1939         }
1940
1941         # Create an empty CRL
1942         system('/usr/bin/openssl', 'ca', '-gencrl',
1943                 '-out', "${General::swroot}/ovpn/crls/cacrl.pem",
1944                 '-config', "${General::swroot}/ovpn/openssl/ovpn.cnf" );
1945         if ($?) {
1946             $errormessage = "$Lang::tr{'openssl produced an error'}: $?";
1947             unlink ("${General::swroot}/ovpn/certs/serverkey.pem");
1948             unlink ("${General::swroot}/ovpn/certs/servercert.pem");
1949             unlink ("${General::swroot}/ovpn/ca/cacert.pem");
1950             unlink ("${General::swroot}/ovpn/crls/cacrl.pem");
1951             &cleanssldatabase();
1952             goto ROOTCERT_ERROR;
1953 #       } else {
1954 #           &cleanssldatabase();
1955         }
1956         # Create ta.key for tls-auth
1957         system('/usr/sbin/openvpn', '--genkey', '--secret', "${General::swroot}/ovpn/certs/ta.key");
1958         if ($?) {
1959             $errormessage = "$Lang::tr{'openssl produced an error'}: $?";
1960             &cleanssldatabase();
1961             goto ROOTCERT_ERROR;
1962         }
1963         # Create Diffie Hellmann Parameter
1964         system('/usr/bin/openssl', 'dhparam', '-out', "${General::swroot}/ovpn/ca/dh1024.pem", "$cgiparams{'DHLENGHT'}");
1965         if ($?) {
1966             $errormessage = "$Lang::tr{'openssl produced an error'}: $?";
1967             unlink ("${General::swroot}/ovpn/certs/serverkey.pem");
1968             unlink ("${General::swroot}/ovpn/certs/servercert.pem");
1969             unlink ("${General::swroot}/ovpn/ca/cacert.pem");
1970             unlink ("${General::swroot}/ovpn/crls/cacrl.pem");
1971             unlink ("${General::swroot}/ovpn/ca/dh1024.pem");
1972             &cleanssldatabase();
1973             goto ROOTCERT_ERROR;
1974 #       } else {
1975 #           &cleanssldatabase();
1976         }
1977         goto ROOTCERT_SUCCESS;
1978     }
1979     ROOTCERT_ERROR:
1980     if ($cgiparams{'ACTION'} ne '') {
1981         &Header::showhttpheaders();
1982         &Header::openpage($Lang::tr{'ovpn'}, 1, '');
1983         &Header::openbigbox('100%', 'LEFT', '', '');
1984         if ($errormessage) {
1985             &Header::openbox('100%', 'LEFT', $Lang::tr{'error messages'});
1986             print "<class name='base'>$errormessage";
1987             print "&nbsp;</class>";
1988             &Header::closebox();
1989         }
1990         &Header::openbox('100%', 'LEFT', "$Lang::tr{'generate root/host certificates'}:");
1991         print <<END;
1992         <form method='post' enctype='multipart/form-data'>
1993         <table width='100%' border='0' cellspacing='1' cellpadding='0'>
1994         <tr><td width='30%' class='base'>$Lang::tr{'organization name'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
1995             <td width='35%' class='base' nowrap='nowrap'><input type='text' name='ROOTCERT_ORGANIZATION' value='$cgiparams{'ROOTCERT_ORGANIZATION'}' size='32' /></td>
1996             <td width='35%' colspan='2'>&nbsp;</td></tr>
1997         <tr><td class='base'>$Lang::tr{'ipfires hostname'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
1998             <td class='base' nowrap='nowrap'><input type='text' name='ROOTCERT_HOSTNAME' value='$cgiparams{'ROOTCERT_HOSTNAME'}' size='32' /></td>
1999             <td colspan='2'>&nbsp;</td></tr>
2000         <tr><td class='base'>$Lang::tr{'your e-mail'}:</td>
2001             <td class='base' nowrap='nowrap'><input type='text' name='ROOTCERT_EMAIL' value='$cgiparams{'ROOTCERT_EMAIL'}' size='32' /></td>
2002             <td colspan='2'>&nbsp;</td></tr>
2003         <tr><td class='base'>$Lang::tr{'your department'}:</td>
2004             <td class='base' nowrap='nowrap'><input type='text' name='ROOTCERT_OU' value='$cgiparams{'ROOTCERT_OU'}' size='32' /></td>
2005             <td colspan='2'>&nbsp;</td></tr>
2006         <tr><td class='base'>$Lang::tr{'city'}:</td>
2007             <td class='base' nowrap='nowrap'><input type='text' name='ROOTCERT_CITY' value='$cgiparams{'ROOTCERT_CITY'}' size='32' /></td>
2008             <td colspan='2'>&nbsp;</td></tr>
2009         <tr><td class='base'>$Lang::tr{'state or province'}:</td>
2010             <td class='base' nowrap='nowrap'><input type='text' name='ROOTCERT_STATE' value='$cgiparams{'ROOTCERT_STATE'}' size='32' /></td>
2011             <td colspan='2'>&nbsp;</td></tr>
2012         <tr><td class='base'>$Lang::tr{'country'}:</td>
2013             <td class='base'><select name='ROOTCERT_COUNTRY'>
2014
2015 END
2016         ;
2017         foreach my $country (sort keys %{Countries::countries}) {
2018             print "<option value='$Countries::countries{$country}'";
2019             if ( $Countries::countries{$country} eq $cgiparams{'ROOTCERT_COUNTRY'} ) {
2020                 print " selected='selected'";
2021             }
2022             print ">$country</option>";
2023         }
2024         print <<END;
2025             </select></td>
2026         <tr><td class='base'>$Lang::tr{'ovpn dh'}:</td>
2027                 <td class='base'><select name='DHLENGHT'>
2028                                 <option value='2048' $selected{'DHLENGHT'}{'2048'}>2048 $Lang::tr{'bit'}</option>
2029                                 <option value='3072' $selected{'DHLENGHT'}{'3072'}>3072 $Lang::tr{'bit'}</option>
2030                                 <option value='4096' $selected{'DHLENGHT'}{'4096'}>4096 $Lang::tr{'bit'}</option>
2031                         </select>
2032                 </td>
2033         </tr>
2034
2035         <tr><td>&nbsp;</td>
2036             <td><input type='submit' name='ACTION' value='$Lang::tr{'generate root/host certificates'}' /></td>
2037             <td>&nbsp;</td><td>&nbsp;</td></tr>
2038         <tr><td class='base' colspan='4' align='left'>
2039             <img src='/blob.gif' valign='top' alt='*' />&nbsp;$Lang::tr{'required field'}</td></tr>
2040         <tr><td colspan='2'><br></td></tr>
2041         <table width='100%'>
2042         <tr>
2043                 <b><font color='${Header::colourred}'>$Lang::tr{'capswarning'}: </font></b>$Lang::tr{'ovpn generating the root and host certificates'}
2044                 <td class='base'>$Lang::tr{'dh key warn'}</td>
2045         </tr>
2046         <tr>
2047                 <td class='base'>$Lang::tr{'dh key warn1'}</td>
2048         </tr>
2049         <tr><td colspan='2'><br></td></tr>
2050         <tr>
2051         </table>
2052
2053         <table width='100%'>
2054         <tr><td colspan='4'><hr></td></tr>
2055         <tr><td class='base' nowrap='nowrap'>$Lang::tr{'upload p12 file'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
2056             <td nowrap='nowrap'><input type='file' name='FH' size='32'></td>
2057             <td colspan='2'>&nbsp;</td></tr>
2058         <tr><td class='base'>$Lang::tr{'pkcs12 file password'}:</td>
2059             <td class='base' nowrap='nowrap'><input type='password' name='P12_PASS' value='$cgiparams{'P12_PASS'}' size='32' /></td>
2060             <td colspan='2'>&nbsp;</td></tr>
2061         <tr><td>&nbsp;</td>
2062             <td><input type='submit' name='ACTION' value='$Lang::tr{'upload p12 file'}' /></td>
2063             <td colspan='2'>&nbsp;</td></tr>
2064         <tr><td class='base' colspan='4' align='left'>
2065             <img src='/blob.gif' valign='top' alt='*' >&nbsp;$Lang::tr{'required field'}</td>
2066         </tr>
2067         </form></table>
2068 END
2069         ;
2070         &Header::closebox();
2071         print "<div align='center'><a href='/cgi-bin/ovpnmain.cgi'>$Lang::tr{'back'}</a></div>";
2072         &Header::closebigbox();
2073         &Header::closepage();
2074         exit(0)
2075     }
2076
2077     ROOTCERT_SUCCESS:
2078     system ("chmod 600 ${General::swroot}/ovpn/certs/serverkey.pem");
2079 #    if ($vpnsettings{'ENABLED'} eq 'on' ||
2080 #       $vpnsettings{'ENABLE_BLUE'} eq 'on') {
2081 #       system('/usr/local/bin/ipsecctrl', 'S');
2082 #    }
2083
2084 ###
2085 ### Enable/Disable connection
2086 ###
2087
2088 ###
2089 # m.a.d net2net
2090 ###
2091
2092 }elsif ($cgiparams{'ACTION'} eq $Lang::tr{'toggle enable disable'}) {
2093
2094     &General::readhash("${General::swroot}/ovpn/settings", \%vpnsettings);
2095     &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
2096 #    my $n2nactive = '';
2097     my $n2nactive = `/bin/ps ax|grep $confighash{$cgiparams{'KEY'}}[1]|grep -v grep|awk \'{print \$1}\'`;
2098
2099     if ($confighash{$cgiparams{'KEY'}}) {
2100                 if ($confighash{$cgiparams{'KEY'}}[0] eq 'off') {
2101                         $confighash{$cgiparams{'KEY'}}[0] = 'on';
2102                         &General::writehasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
2103
2104                         if ($confighash{$cgiparams{'KEY'}}[3] eq 'net'){
2105                                 system('/usr/local/bin/openvpnctrl', '-sn2n', $confighash{$cgiparams{'KEY'}}[1]);
2106                                 &writecollectdconf();
2107                         }
2108                 } else {
2109
2110                         $confighash{$cgiparams{'KEY'}}[0] = 'off';
2111                         &General::writehasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
2112
2113                         if ($confighash{$cgiparams{'KEY'}}[3] eq 'net'){
2114                                 if ($n2nactive ne '') {
2115                                         system('/usr/local/bin/openvpnctrl', '-kn2n', $confighash{$cgiparams{'KEY'}}[1]);
2116                                         &writecollectdconf();
2117                                 }
2118
2119                         } else {
2120                                 $errormessage = $Lang::tr{'invalid key'};
2121                         }
2122                 }
2123   }
2124
2125 ###
2126 ### Download OpenVPN client package
2127 ###
2128
2129
2130 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'dl client arch'}) {
2131     &General::readhash("${General::swroot}/ovpn/settings", \%vpnsettings);
2132     &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
2133     my $file = '';
2134     my $clientovpn = '';
2135     my @fileholder;
2136     my $tempdir = tempdir( CLEANUP => 1 );
2137     my $zippath = "$tempdir/";
2138
2139 ###
2140 # m.a.d net2net
2141 ###
2142
2143 if ($confighash{$cgiparams{'KEY'}}[3] eq 'net'){
2144
2145         my $zipname = "$confighash{$cgiparams{'KEY'}}[1]-Client.zip";
2146         my $zippathname = "$zippath$zipname";
2147         $clientovpn = "$confighash{$cgiparams{'KEY'}}[1].conf";
2148         my @ovsubnettemp =  split(/\./,$confighash{$cgiparams{'KEY'}}[27]);
2149         my $ovsubnet =  "$ovsubnettemp[0].$ovsubnettemp[1].$ovsubnettemp[2]";
2150         my $tunmtu = '';
2151         my @remsubnet = split(/\//,$confighash{$cgiparams{'KEY'}}[8]);
2152         my $n2nfragment = '';
2153
2154     open(CLIENTCONF, ">$tempdir/$clientovpn") or die "Unable to open tempfile: $!";
2155     flock CLIENTCONF, 2;
2156
2157     my $zip = Archive::Zip->new();
2158    print CLIENTCONF "# IPFire n2n Open VPN Client Config by ummeegge und m.a.d\n";
2159    print CLIENTCONF "# \n";
2160    print CLIENTCONF "# User Security\n";
2161    print CLIENTCONF "user nobody\n";
2162    print CLIENTCONF "group nobody\n";
2163    print CLIENTCONF "persist-tun\n";
2164    print CLIENTCONF "persist-key\n";
2165    print CLIENTCONF "script-security 2\n";
2166    print CLIENTCONF "# IP/DNS for remote Server Gateway\n";
2167    print CLIENTCONF "remote $vpnsettings{'VPN_IP'}\n";
2168    print CLIENTCONF "float\n";
2169    print CLIENTCONF "# IP adresses of the VPN Subnet\n";
2170    print CLIENTCONF "ifconfig $ovsubnet.2 $ovsubnet.1\n";
2171    print CLIENTCONF "# Server Gateway Network\n";
2172    print CLIENTCONF "route $remsubnet[0] $remsubnet[1]\n";
2173    print CLIENTCONF "# tun Device\n";
2174    print CLIENTCONF "dev tun\n";
2175    print CLIENTCONF "#Logfile for statistics\n";
2176    print CLIENTCONF "status-version 1\n";
2177    print CLIENTCONF "status /var/run/openvpn/$cgiparams{'NAME'}-n2n 10\n";
2178    print CLIENTCONF "# Port and Protokoll\n";
2179    print CLIENTCONF "port $confighash{$cgiparams{'KEY'}}[29]\n";
2180
2181    if ($confighash{$cgiparams{'KEY'}}[28] eq 'tcp') {
2182    print CLIENTCONF "proto tcp-client\n";
2183    print CLIENTCONF "# Packet size\n";
2184    if ($confighash{$cgiparams{'KEY'}}[31] eq '') {$tunmtu = '1400'} else {$tunmtu = $confighash{$cgiparams{'KEY'}}[31]};
2185    print CLIENTCONF "tun-mtu $tunmtu\n";
2186    }
2187
2188    if ($confighash{$cgiparams{'KEY'}}[28] eq 'udp') {
2189    print CLIENTCONF "proto udp\n";
2190    print CLIENTCONF "# Paketsize\n";
2191    if ($confighash{$cgiparams{'KEY'}}[31] eq '') {$tunmtu = '1500'} else {$tunmtu = $confighash{$cgiparams{'KEY'}}[31]};
2192    print CLIENTCONF "tun-mtu $tunmtu\n";
2193    if ($confighash{$cgiparams{'KEY'}}[24] ne '') {print CLIENTCONF "fragment $confighash{$cgiparams{'KEY'}}[24]\n";}
2194    if ($confighash{$cgiparams{'KEY'}}[23] eq 'on') {print CLIENTCONF "mssfix\n";}
2195    }
2196    # Check host certificate if X509 is RFC3280 compliant.
2197    # If not, old --ns-cert-type directive will be used.
2198    # If appropriate key usage extension exists, new --remote-cert-tls directive will be used.
2199    my $hostcert = `/usr/bin/openssl x509 -text -in ${General::swroot}/ovpn/certs/servercert.pem`;
2200    if ($hostcert !~ /TLS Web Server Authentication/) {
2201                print CLIENTCONF "ns-cert-type server\n";
2202    } else {
2203                print CLIENTCONF "remote-cert-tls server\n";
2204    }
2205    print CLIENTCONF "# Auth. Client\n";
2206    print CLIENTCONF "tls-client\n";
2207    print CLIENTCONF "# Cipher\n";
2208    print CLIENTCONF "cipher $confighash{$cgiparams{'KEY'}}[40]\n";
2209     if ($confighash{$cgiparams{'KEY'}}[4] eq 'cert' && -f "${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1].p12") {
2210          print CLIENTCONF "pkcs12 ${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1].p12\r\n";
2211      $zip->addFile( "${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";
2212    }
2213
2214    # If GCM cipher is used, do not use --auth
2215    if (($confighash{$cgiparams{'KEY'}}[40] eq 'AES-256-GCM') ||
2216        ($confighash{$cgiparams{'KEY'}}[40] eq 'AES-192-GCM') ||
2217        ($confighash{$cgiparams{'KEY'}}[40] eq 'AES-128-GCM')) {
2218         print CLIENTCONF unless "# HMAC algorithm\n";
2219         print CLIENTCONF unless "auth $confighash{$cgiparams{'KEY'}}[39]\n";
2220    } else {
2221         print CLIENTCONF "# HMAC algorithm\n";
2222         print CLIENTCONF "auth $confighash{$cgiparams{'KEY'}}[39]\n";
2223    }
2224
2225    if ($confighash{$cgiparams{'KEY'}}[30] eq 'on') {
2226    print CLIENTCONF "# Enable Compression\n";
2227    print CLIENTCONF "comp-lzo\n";
2228      }
2229    print CLIENTCONF "# Debug Level\n";
2230    print CLIENTCONF "verb 3\n";
2231    print CLIENTCONF "# Tunnel check\n";
2232    print CLIENTCONF "keepalive 10 60\n";
2233    print CLIENTCONF "# Start as daemon\n";
2234    print CLIENTCONF "daemon $confighash{$cgiparams{'KEY'}}[1]n2n\n";
2235    print CLIENTCONF "writepid /var/run/$confighash{$cgiparams{'KEY'}}[1]n2n.pid\n";
2236    print CLIENTCONF "# Activate Management Interface and Port\n";
2237    if ($confighash{$cgiparams{'KEY'}}[22] eq '') {print CLIENTCONF "management localhost $confighash{$cgiparams{'KEY'}}[29]\n"}
2238     else {print CLIENTCONF "management localhost $confighash{$cgiparams{'KEY'}}[22]\n"};
2239    print CLIENTCONF "# remsub $confighash{$cgiparams{'KEY'}}[11]\n";
2240
2241
2242     close(CLIENTCONF);
2243
2244     $zip->addFile( "$tempdir/$clientovpn", $clientovpn) or die "Can't add file $clientovpn\n";
2245     my $status = $zip->writeToFileNamed($zippathname);
2246
2247     open(DLFILE, "<$zippathname") or die "Unable to open $zippathname: $!";
2248     @fileholder = <DLFILE>;
2249     print "Content-Type:application/x-download\n";
2250     print "Content-Disposition:attachment;filename=$zipname\n\n";
2251     print @fileholder;
2252     exit (0);
2253 }
2254 else
2255 {
2256         my $zipname = "$confighash{$cgiparams{'KEY'}}[1]-TO-IPFire.zip";
2257         my $zippathname = "$zippath$zipname";
2258         $clientovpn = "$confighash{$cgiparams{'KEY'}}[1]-TO-IPFire.ovpn";
2259
2260 ###
2261 # m.a.d net2net
2262 ###
2263
2264     open(CLIENTCONF, ">$tempdir/$clientovpn") or die "Unable to open tempfile: $!";
2265     flock CLIENTCONF, 2;
2266
2267     my $zip = Archive::Zip->new();
2268
2269     print CLIENTCONF "#OpenVPN Client conf\r\n";
2270     print CLIENTCONF "tls-client\r\n";
2271     print CLIENTCONF "client\r\n";
2272     print CLIENTCONF "nobind\r\n";
2273     print CLIENTCONF "dev tun\r\n";
2274     print CLIENTCONF "proto $vpnsettings{'DPROTOCOL'}\r\n";
2275
2276     # Check if we are using fragment, mssfix and set MTU to 1500
2277     # or use configured value.
2278     if ($vpnsettings{FRAGMENT} ne '' && $vpnsettings{DPROTOCOL} ne 'tcp' )
2279         { print CLIENTCONF "tun-mtu 1500\r\n"; }
2280     elsif ($vpnsettings{MSSFIX} eq 'on')
2281         { print CLIENTCONF "tun-mtu 1500\r\n"; }
2282     else
2283         { print CLIENTCONF "tun-mtu $vpnsettings{'DMTU'}\r\n"; }
2284
2285     if ( $vpnsettings{'ENABLED'} eq 'on'){
2286         print CLIENTCONF "remote $vpnsettings{'VPN_IP'} $vpnsettings{'DDEST_PORT'}\r\n";
2287         if ( $vpnsettings{'ENABLED_BLUE'} eq 'on' && (&haveBlueNet())){
2288             print CLIENTCONF "#Coment the above line and uncoment the next line, if you want to connect on the Blue interface\r\n";
2289             print CLIENTCONF ";remote $netsettings{'BLUE_ADDRESS'} $vpnsettings{'DDEST_PORT'}\r\n";
2290         }
2291         if ( $vpnsettings{'ENABLED_ORANGE'} eq 'on' && (&haveOrangeNet())){
2292             print CLIENTCONF "#Coment the above line and uncoment the next line, if you want to connect on the Orange interface\r\n";
2293             print CLIENTCONF ";remote $netsettings{'ORANGE_ADDRESS'} $vpnsettings{'DDEST_PORT'}\r\n";
2294         }
2295     } elsif ( $vpnsettings{'ENABLED_BLUE'} eq 'on' && (&haveBlueNet())){
2296         print CLIENTCONF "remote $netsettings{'BLUE_ADDRESS'} $vpnsettings{'DDEST_PORT'}\r\n";
2297         if ( $vpnsettings{'ENABLED_ORANGE'} eq 'on' && (&haveOrangeNet())){
2298             print CLIENTCONF "#Coment the above line and uncoment the next line, if you want to connect on the Orange interface\r\n";
2299             print CLIENTCONF ";remote $netsettings{'ORANGE_ADDRESS'} $vpnsettings{'DDEST_PORT'}\r\n";
2300         }
2301     } elsif ( $vpnsettings{'ENABLED_ORANGE'} eq 'on' && (&haveOrangeNet())){
2302         print CLIENTCONF "remote $netsettings{'ORANGE_ADDRESS'} $vpnsettings{'DDEST_PORT'}\r\n";
2303     }
2304
2305     my $file_crt = new File::Temp( UNLINK => 1 );
2306     my $file_key = new File::Temp( UNLINK => 1 );
2307     my $include_certs = 0;
2308
2309     if ($confighash{$cgiparams{'KEY'}}[4] eq 'cert' && -f "${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1].p12") {
2310         if ($cgiparams{'MODE'} eq 'insecure') {
2311                 $include_certs = 1;
2312
2313                 # Add the CA
2314                 print CLIENTCONF ";ca cacert.pem\r\n";
2315                 $zip->addFile("${General::swroot}/ovpn/ca/cacert.pem", "cacert.pem")  or die "Can't add file cacert.pem\n";
2316
2317                 # Extract the certificate
2318                 system('/usr/bin/openssl', 'pkcs12', '-in', "${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1].p12",
2319                         '-clcerts', '-nokeys', '-nodes', '-out', "$file_crt" , '-passin', 'pass:');
2320                 if ($?) {
2321                         die "openssl error: $?";
2322                 }
2323
2324                 $zip->addFile("$file_crt", "$confighash{$cgiparams{'KEY'}}[1].pem") or die;
2325                 print CLIENTCONF ";cert $confighash{$cgiparams{'KEY'}}[1].pem\r\n";
2326
2327                 # Extract the key
2328                 system('/usr/bin/openssl', 'pkcs12', '-in', "${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1].p12",
2329                         '-nocerts', '-nodes', '-out', "$file_key", '-passin', 'pass:');
2330                 if ($?) {
2331                         die "openssl error: $?";
2332                 }
2333
2334                 $zip->addFile("$file_key", "$confighash{$cgiparams{'KEY'}}[1].key") or die;
2335                 print CLIENTCONF ";key $confighash{$cgiparams{'KEY'}}[1].key\r\n";
2336         } else {
2337                 print CLIENTCONF "pkcs12 $confighash{$cgiparams{'KEY'}}[1].p12\r\n";
2338                 $zip->addFile( "${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";
2339         }
2340     } else {
2341         print CLIENTCONF "ca cacert.pem\r\n";
2342         print CLIENTCONF "cert $confighash{$cgiparams{'KEY'}}[1]cert.pem\r\n";
2343         print CLIENTCONF "key $confighash{$cgiparams{'KEY'}}[1].key\r\n";
2344         $zip->addFile( "${General::swroot}/ovpn/ca/cacert.pem", "cacert.pem")  or die "Can't add file cacert.pem\n";
2345         $zip->addFile( "${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";
2346     }
2347     print CLIENTCONF "cipher $vpnsettings{DCIPHER}\r\n";
2348         print CLIENTCONF "auth $vpnsettings{'DAUTH'}\r\n";
2349
2350     if ($vpnsettings{'TLSAUTH'} eq 'on') {
2351         if ($cgiparams{'MODE'} eq 'insecure') {
2352                 print CLIENTCONF ";";
2353         }
2354         print CLIENTCONF "tls-auth ta.key\r\n";
2355         $zip->addFile( "${General::swroot}/ovpn/certs/ta.key", "ta.key")  or die "Can't add file ta.key\n";
2356     }
2357     if ($vpnsettings{DCOMPLZO} eq 'on') {
2358         print CLIENTCONF "comp-lzo\r\n";
2359     }
2360     print CLIENTCONF "verb 3\r\n";
2361         # Check host certificate if X509 is RFC3280 compliant.
2362         # If not, old --ns-cert-type directive will be used.
2363         # If appropriate key usage extension exists, new --remote-cert-tls directive will be used.
2364         my $hostcert = `/usr/bin/openssl x509 -text -in ${General::swroot}/ovpn/certs/servercert.pem`;
2365         if ($hostcert !~ /TLS Web Server Authentication/) {
2366                 print CLIENTCONF "ns-cert-type server\r\n";
2367         } else {
2368                 print CLIENTCONF "remote-cert-tls server\r\n";
2369         }
2370     print CLIENTCONF "verify-x509-name $vpnsettings{ROOTCERT_HOSTNAME} name\r\n";
2371     if ($vpnsettings{MSSFIX} eq 'on') {
2372         print CLIENTCONF "mssfix\r\n";
2373     }
2374     if ($vpnsettings{FRAGMENT} ne '' && $vpnsettings{DPROTOCOL} ne 'tcp' ) {
2375         print CLIENTCONF "fragment $vpnsettings{'FRAGMENT'}\r\n";
2376     }
2377
2378     if ($include_certs) {
2379         print CLIENTCONF "\r\n";
2380
2381         # CA
2382         open(FILE, "<${General::swroot}/ovpn/ca/cacert.pem");
2383         print CLIENTCONF "<ca>\r\n";
2384         while (<FILE>) {
2385                 chomp($_);
2386                 print CLIENTCONF "$_\r\n";
2387         }
2388         print CLIENTCONF "</ca>\r\n\r\n";
2389         close(FILE);
2390
2391         # Cert
2392         open(FILE, "<$file_crt");
2393         print CLIENTCONF "<cert>\r\n";
2394         while (<FILE>) {
2395                 chomp($_);
2396                 print CLIENTCONF "$_\r\n";
2397         }
2398         print CLIENTCONF "</cert>\r\n\r\n";
2399         close(FILE);
2400
2401         # Key
2402         open(FILE, "<$file_key");
2403         print CLIENTCONF "<key>\r\n";
2404         while (<FILE>) {
2405                 chomp($_);
2406                 print CLIENTCONF "$_\r\n";
2407         }
2408         print CLIENTCONF "</key>\r\n\r\n";
2409         close(FILE);
2410
2411         # TLS auth
2412         if ($vpnsettings{'TLSAUTH'} eq 'on') {
2413                 open(FILE, "<${General::swroot}/ovpn/certs/ta.key");
2414                 print CLIENTCONF "<tls-auth>\r\n";
2415                 while (<FILE>) {
2416                         chomp($_);
2417                         print CLIENTCONF "$_\r\n";
2418                 }
2419                 print CLIENTCONF "</tls-auth>\r\n\r\n";
2420                 close(FILE);
2421         }
2422     }
2423
2424     # Print client.conf.local if entries exist to client.ovpn
2425     if (!-z $local_clientconf && $vpnsettings{'ADDITIONAL_CONFIGS'} eq 'on') {
2426        open (LCC, "$local_clientconf");
2427                print CLIENTCONF "\n#---------------------------\n";
2428                print CLIENTCONF "# Start of custom directives\n";
2429                print CLIENTCONF "# from client.conf.local\n";
2430                print CLIENTCONF "#---------------------------\n\n";
2431        while (<LCC>) {
2432                print CLIENTCONF $_;
2433        }
2434                print CLIENTCONF "\n#---------------------------\n";
2435                print CLIENTCONF "# End of custom directives\n";
2436                print CLIENTCONF "#---------------------------\n\n";
2437        close (LCC);
2438     }
2439     close(CLIENTCONF);
2440
2441     $zip->addFile( "$tempdir/$clientovpn", $clientovpn) or die "Can't add file $clientovpn\n";
2442     my $status = $zip->writeToFileNamed($zippathname);
2443
2444     open(DLFILE, "<$zippathname") or die "Unable to open $zippathname: $!";
2445     @fileholder = <DLFILE>;
2446     print "Content-Type:application/x-download\n";
2447     print "Content-Disposition:attachment;filename=$zipname\n\n";
2448     print @fileholder;
2449     exit (0);
2450    }
2451
2452
2453
2454 ###
2455 ### Remove connection
2456 ###
2457
2458
2459 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'remove'}) {
2460         &General::readhash("${General::swroot}/ovpn/settings", \%vpnsettings);
2461         &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
2462
2463         if ($confighash{$cgiparams{'KEY'}}) {
2464                 # Revoke certificate if certificate was deleted and rewrite the CRL
2465                 my $temp = `/usr/bin/openssl ca -revoke ${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1]cert.pem -config ${General::swroot}/ovpn/openssl/ovpn.cnf`;
2466                 my $tempA = `/usr/bin/openssl ca -gencrl -out ${General::swroot}/ovpn/crls/cacrl.pem -config ${General::swroot}/ovpn/openssl/ovpn.cnf`;
2467
2468 ###
2469 # m.a.d net2net
2470 ###
2471
2472                 if ($confighash{$cgiparams{'KEY'}}[3] eq 'net') {
2473                         # Stop the N2N connection before it is removed
2474                         system('/usr/local/bin/openvpnctrl', '-kn2n', $confighash{$cgiparams{'KEY'}}[1]);
2475
2476                         my $conffile = glob("${General::swroot}/ovpn/n2nconf/$confighash{$cgiparams{'KEY'}}[1]/$confighash{$cgiparams{'KEY'}}[1].conf");
2477                         my $certfile = glob("${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1].p12");
2478                         unlink ($certfile);
2479                         unlink ($conffile);
2480
2481                         if (-e "${General::swroot}/ovpn/n2nconf/$confighash{$cgiparams{'KEY'}}[1]") {
2482                                 rmdir ("${General::swroot}/ovpn/n2nconf/$confighash{$cgiparams{'KEY'}}[1]") || die "Kann Verzeichnis nicht loeschen: $!";
2483                         }
2484                 }
2485
2486                 unlink ("${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1]cert.pem");
2487                 unlink ("${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1].p12");
2488
2489 # A.Marx CCD delete ccd files and routes
2490
2491                 if (-f "${General::swroot}/ovpn/ccd/$confighash{$cgiparams{'KEY'}}[2]")
2492                 {
2493                         unlink "${General::swroot}/ovpn/ccd/$confighash{$cgiparams{'KEY'}}[2]";
2494                 }
2495
2496                 &General::readhasharray("${General::swroot}/ovpn/ccdroute", \%ccdroutehash);
2497                 foreach my $key (keys %ccdroutehash) {
2498                         if ($ccdroutehash{$key}[0] eq $confighash{$cgiparams{'KEY'}}[1]){
2499                                 delete $ccdroutehash{$key};
2500                         }
2501                 }
2502                 &General::writehasharray("${General::swroot}/ovpn/ccdroute", \%ccdroutehash);
2503
2504                 &General::readhasharray("${General::swroot}/ovpn/ccdroute2", \%ccdroute2hash);
2505                 foreach my $key (keys %ccdroute2hash) {
2506                         if ($ccdroute2hash{$key}[0] eq $confighash{$cgiparams{'KEY'}}[1]){
2507                                 delete $ccdroute2hash{$key};
2508                         }
2509                 }
2510                 &General::writehasharray("${General::swroot}/ovpn/ccdroute2", \%ccdroute2hash);
2511                 &writeserverconf;
2512
2513 # CCD end
2514                 # Update collectd configuration and delete all RRD files of the removed connection
2515                 &writecollectdconf();
2516                 system ('/usr/local/bin/openvpnctrl', '-drrd', $confighash{$cgiparams{'KEY'}}[1]);
2517
2518                 delete $confighash{$cgiparams{'KEY'}};
2519                 my $temp2 = `/usr/bin/openssl ca -gencrl -out ${General::swroot}/ovpn/crls/cacrl.pem -config ${General::swroot}/ovpn/openssl/ovpn.cnf`;
2520                 &General::writehasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
2521
2522         } else {
2523                 $errormessage = $Lang::tr{'invalid key'};
2524         }
2525         &General::firewall_reload();
2526
2527 ###
2528 ### Download PKCS12 file
2529 ###
2530 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'download pkcs12 file'}) {
2531     &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
2532
2533     print "Content-Disposition: filename=" . $confighash{$cgiparams{'KEY'}}[1] . ".p12\r\n";
2534     print "Content-Type: application/octet-stream\r\n\r\n";
2535     print `/bin/cat ${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1].p12`;
2536     exit (0);
2537
2538 ###
2539 ### Display certificate
2540 ###
2541 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'show certificate'}) {
2542     &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
2543
2544     if ( -f "${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1]cert.pem") {
2545         &Header::showhttpheaders();
2546         &Header::openpage($Lang::tr{'ovpn'}, 1, '');
2547         &Header::openbigbox('100%', 'LEFT', '', '');
2548         &Header::openbox('100%', 'LEFT', "$Lang::tr{'certificate'}:");
2549         my $output = `/usr/bin/openssl x509 -text -in ${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1]cert.pem`;
2550         $output = &Header::cleanhtml($output,"y");
2551         print "<pre>$output</pre>\n";
2552         &Header::closebox();
2553         print "<div align='center'><a href='/cgi-bin/ovpnmain.cgi'>$Lang::tr{'back'}</a></div>";
2554         &Header::closebigbox();
2555         &Header::closepage();
2556         exit(0);
2557     }
2558
2559 ###
2560 ### Display Diffie-Hellman key
2561 ###
2562 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'show dh'}) {
2563
2564     if (! -e "${General::swroot}/ovpn/ca/dh1024.pem") {
2565         $errormessage = $Lang::tr{'not present'};
2566         } else {
2567                 &Header::showhttpheaders();
2568                 &Header::openpage($Lang::tr{'ovpn'}, 1, '');
2569                 &Header::openbigbox('100%', 'LEFT', '', '');
2570                 &Header::openbox('100%', 'LEFT', "$Lang::tr{'dh'}:");
2571                 my $output = `/usr/bin/openssl dhparam -text -in ${General::swroot}/ovpn/ca/dh1024.pem`;
2572                 $output = &Header::cleanhtml($output,"y");
2573                 print "<pre>$output</pre>\n";
2574                 &Header::closebox();
2575                 print "<div align='center'><a href='/cgi-bin/ovpnmain.cgi'>$Lang::tr{'back'}</a></div>";
2576                 &Header::closebigbox();
2577                 &Header::closepage();
2578                 exit(0);
2579     }
2580
2581 ###
2582 ### Display tls-auth key
2583 ###
2584 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'show tls-auth key'}) {
2585
2586     if (! -e "${General::swroot}/ovpn/certs/ta.key") {
2587         $errormessage = $Lang::tr{'not present'};
2588         } else {
2589                 &Header::showhttpheaders();
2590                 &Header::openpage($Lang::tr{'ovpn'}, 1, '');
2591                 &Header::openbigbox('100%', 'LEFT', '', '');
2592                 &Header::openbox('100%', 'LEFT', "$Lang::tr{'ta key'}:");
2593                 my $output = `/bin/cat ${General::swroot}/ovpn/certs/ta.key`;
2594                 $output = &Header::cleanhtml($output,"y");
2595                 print "<pre>$output</pre>\n";
2596                 &Header::closebox();
2597                 print "<div align='center'><a href='/cgi-bin/ovpnmain.cgi'>$Lang::tr{'back'}</a></div>";
2598                 &Header::closebigbox();
2599                 &Header::closepage();
2600                 exit(0);
2601     }
2602
2603 ###
2604 ### Display Certificate Revoke List
2605 ###
2606 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'show crl'}) {
2607 #    &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
2608
2609     if (! -e "${General::swroot}/ovpn/crls/cacrl.pem") {
2610         $errormessage = $Lang::tr{'not present'};
2611         } else {
2612         &Header::showhttpheaders();
2613         &Header::openpage($Lang::tr{'ovpn'}, 1, '');
2614         &Header::openbigbox('100%', 'LEFT', '', '');
2615         &Header::openbox('100%', 'LEFT', "$Lang::tr{'crl'}:");
2616         my $output = `/usr/bin/openssl crl -text -noout -in ${General::swroot}/ovpn/crls/cacrl.pem`;
2617         $output = &Header::cleanhtml($output,"y");
2618         print "<pre>$output</pre>\n";
2619         &Header::closebox();
2620         print "<div align='center'><a href='/cgi-bin/ovpnmain.cgi'>$Lang::tr{'back'}</a></div>";
2621         &Header::closebigbox();
2622         &Header::closepage();
2623         exit(0);
2624     }
2625
2626 ###
2627 ### Advanced Server Settings
2628 ###
2629
2630 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'advanced server'}) {
2631     %cgiparams = ();
2632     %cahash = ();
2633     %confighash = ();
2634     my $disabled;
2635     &General::readhash("${General::swroot}/ovpn/settings", \%cgiparams);
2636     read_routepushfile;
2637
2638
2639 #    if ($cgiparams{'CLIENT2CLIENT'} eq '') {
2640 #       $cgiparams{'CLIENT2CLIENT'} =  'on';
2641 #    }
2642 ADV_ERROR:
2643     if ($cgiparams{'MAX_CLIENTS'} eq '') {
2644                 $cgiparams{'MAX_CLIENTS'} =  '100';
2645     }
2646     if ($cgiparams{'KEEPALIVE_1'} eq '') {
2647                 $cgiparams{'KEEPALIVE_1'} =  '10';
2648     }
2649     if ($cgiparams{'KEEPALIVE_2'} eq '') {
2650                 $cgiparams{'KEEPALIVE_2'} =  '60';
2651     }
2652     if ($cgiparams{'LOG_VERB'} eq '') {
2653                 $cgiparams{'LOG_VERB'} =  '3';
2654     }
2655     if ($cgiparams{'TLSAUTH'} eq '') {
2656                 $cgiparams{'TLSAUTH'} = 'off';
2657     }
2658     $checked{'CLIENT2CLIENT'}{'off'} = '';
2659     $checked{'CLIENT2CLIENT'}{'on'} = '';
2660     $checked{'CLIENT2CLIENT'}{$cgiparams{'CLIENT2CLIENT'}} = 'CHECKED';
2661     $checked{'REDIRECT_GW_DEF1'}{'off'} = '';
2662     $checked{'REDIRECT_GW_DEF1'}{'on'} = '';
2663     $checked{'REDIRECT_GW_DEF1'}{$cgiparams{'REDIRECT_GW_DEF1'}} = 'CHECKED';
2664     $checked{'DCOMPLZO'}{'off'} = '';
2665     $checked{'DCOMPLZO'}{'on'} = '';
2666     $checked{'DCOMPLZO'}{$cgiparams{'DCOMPLZO'}} = 'CHECKED';
2667     $checked{'ADDITIONAL_CONFIGS'}{'off'} = '';
2668     $checked{'ADDITIONAL_CONFIGS'}{'on'} = '';
2669     $checked{'ADDITIONAL_CONFIGS'}{$cgiparams{'ADDITIONAL_CONFIGS'}} = 'CHECKED';
2670     $checked{'MSSFIX'}{'off'} = '';
2671     $checked{'MSSFIX'}{'on'} = '';
2672     $checked{'MSSFIX'}{$cgiparams{'MSSFIX'}} = 'CHECKED';
2673     $selected{'LOG_VERB'}{'0'} = '';
2674     $selected{'LOG_VERB'}{'1'} = '';
2675     $selected{'LOG_VERB'}{'2'} = '';
2676     $selected{'LOG_VERB'}{'3'} = '';
2677     $selected{'LOG_VERB'}{'4'} = '';
2678     $selected{'LOG_VERB'}{'5'} = '';
2679     $selected{'LOG_VERB'}{'6'} = '';
2680     $selected{'LOG_VERB'}{'7'} = '';
2681     $selected{'LOG_VERB'}{'8'} = '';
2682     $selected{'LOG_VERB'}{'9'} = '';
2683     $selected{'LOG_VERB'}{'10'} = '';
2684     $selected{'LOG_VERB'}{'11'} = '';
2685     $selected{'LOG_VERB'}{$cgiparams{'LOG_VERB'}} = 'SELECTED';
2686
2687     &Header::showhttpheaders();
2688     &Header::openpage($Lang::tr{'status ovpn'}, 1, '');
2689     &Header::openbigbox('100%', 'LEFT', '', $errormessage);
2690     if ($errormessage) {
2691         &Header::openbox('100%', 'LEFT', $Lang::tr{'error messages'});
2692         print "<class name='base'>$errormessage\n";
2693         print "&nbsp;</class>\n";
2694         &Header::closebox();
2695     }
2696     &Header::openbox('100%', 'LEFT', $Lang::tr{'advanced server'});
2697     print <<END;
2698     <form method='post' enctype='multipart/form-data'>
2699 <table width='100%' border=0>
2700         <tr>
2701                 <td colspan='4'><b>$Lang::tr{'dhcp-options'}</b></td>
2702     </tr>
2703     <tr>
2704                 <td width='25%'></td> <td width='20%'> </td><td width='25%'> </td><td width='30%'></td>
2705     </tr>
2706     <tr>
2707                 <td class='base'>Domain</td>
2708         <td><input type='TEXT' name='DHCP_DOMAIN' value='$cgiparams{'DHCP_DOMAIN'}' size='30'  /></td>
2709     </tr>
2710     <tr>
2711                 <td class='base'>DNS</td>
2712                 <td><input type='TEXT' name='DHCP_DNS' value='$cgiparams{'DHCP_DNS'}' size='30' /></td>
2713     </tr>
2714     <tr>
2715                 <td class='base'>WINS</td>
2716                 <td><input type='TEXT' name='DHCP_WINS' value='$cgiparams{'DHCP_WINS'}' size='30' /></td>
2717         </tr>
2718     <tr>
2719                 <td colspan='4'><b>$Lang::tr{'ovpn routes push options'}</b></td>
2720     </tr>
2721     <tr>
2722                 <td class='base'>$Lang::tr{'ovpn routes push'}</td>
2723                 <td colspan='2'>
2724                 <textarea name='ROUTES_PUSH' cols='26' rows='6' wrap='off'>
2725 END
2726 ;
2727
2728 if ($cgiparams{'ROUTES_PUSH'} ne '')
2729 {
2730         print $cgiparams{'ROUTES_PUSH'};
2731 }
2732
2733 print <<END;
2734 </textarea></td>
2735 </tr>
2736     </tr>
2737 </table>
2738 <hr size='1'>
2739 <table width='100%'>
2740         <tr>
2741                 <td class'base'><b>$Lang::tr{'misc-options'}</b></td>
2742         </tr>
2743
2744         <tr>
2745                 <td width='20%'></td> <td width='15%'> </td><td width='35%'> </td><td width='20%'></td><td width='35%'></td>
2746         </tr>
2747
2748         <tr>
2749                 <td class='base'>Client-To-Client</td>
2750                 <td><input type='checkbox' name='CLIENT2CLIENT' $checked{'CLIENT2CLIENT'}{'on'} /></td>
2751         </tr>
2752
2753         <tr>
2754                 <td class='base'>Redirect-Gateway def1</td>
2755                 <td><input type='checkbox' name='REDIRECT_GW_DEF1' $checked{'REDIRECT_GW_DEF1'}{'on'} /></td>
2756         </tr>
2757
2758     <tr><td class='boldbase' nowrap='nowrap'>$Lang::tr{'comp-lzo'}</td>
2759         <td><input type='checkbox' name='DCOMPLZO' $checked{'DCOMPLZO'}{'on'} /></td>
2760         <td>$Lang::tr{'openvpn default'}: off <font color='red'>($Lang::tr{'attention'} exploitable via Voracle)</font></td>
2761     </tr>
2762
2763         <tr>
2764                 <td class='base'>$Lang::tr{'ovpn add conf'}</td>
2765                 <td><input type='checkbox' name='ADDITIONAL_CONFIGS' $checked{'ADDITIONAL_CONFIGS'}{'on'} /></td>
2766                 <td>$Lang::tr{'openvpn default'}: off</td>
2767         </tr>
2768
2769         <tr>
2770                 <td class='base'>mssfix</td>
2771                 <td><input type='checkbox' name='MSSFIX' $checked{'MSSFIX'}{'on'} /></td>
2772                 <td>$Lang::tr{'openvpn default'}: off</td>
2773         </tr>
2774
2775         <tr>
2776                 <td class='base'>fragment <br></td>
2777                 <td><input type='TEXT' name='FRAGMENT' value='$cgiparams{'FRAGMENT'}' size='10' /></td>
2778         </tr>
2779
2780
2781         <tr>
2782                 <td class='base'>Max-Clients</td>
2783                 <td><input type='text' name='MAX_CLIENTS' value='$cgiparams{'MAX_CLIENTS'}' size='10' /></td>
2784         </tr>
2785         <tr>
2786                 <td class='base'>Keepalive <br />
2787                 (ping/ping-restart)</td>
2788                 <td><input type='TEXT' name='KEEPALIVE_1' value='$cgiparams{'KEEPALIVE_1'}' size='10' /></td>
2789                 <td><input type='TEXT' name='KEEPALIVE_2' value='$cgiparams{'KEEPALIVE_2'}' size='10' /></td>
2790         </tr>
2791 </table>
2792
2793 <hr size='1'>
2794 <table width='100%'>
2795     <tr>
2796         <td class'base'><b>$Lang::tr{'log-options'}</b></td>
2797     </tr>
2798     <tr>
2799         <td width='20%'></td> <td width='30%'> </td><td width='25%'> </td><td width='25%'></td>
2800     </tr>
2801
2802     <tr><td class='base'>VERB</td>
2803         <td><select name='LOG_VERB'>
2804                         <option value='0'  $selected{'LOG_VERB'}{'0'}>0</option>
2805                         <option value='1'  $selected{'LOG_VERB'}{'1'}>1</option>
2806                         <option value='2'  $selected{'LOG_VERB'}{'2'}>2</option>
2807                         <option value='3'  $selected{'LOG_VERB'}{'3'}>3</option>
2808                         <option value='4'  $selected{'LOG_VERB'}{'4'}>4</option>
2809                         <option value='5'  $selected{'LOG_VERB'}{'5'}>5</option>
2810                         <option value='6'  $selected{'LOG_VERB'}{'6'}>6</option>
2811                         <option value='7'  $selected{'LOG_VERB'}{'7'}>7</option>
2812                         <option value='8'  $selected{'LOG_VERB'}{'8'}>8</option>
2813                         <option value='9'  $selected{'LOG_VERB'}{'9'}>9</option>
2814                         <option value='10' $selected{'LOG_VERB'}{'10'}>10</option>
2815                         <option value='11' $selected{'LOG_VERB'}{'11'}>11</option>
2816         </td></select>
2817     </table>
2818
2819 <hr size='1'>
2820 END
2821
2822 if ( -e "/var/run/openvpn.pid"){
2823 print"  <br><b><font color='#990000'>$Lang::tr{'attention'}:</b></font><br>
2824                 $Lang::tr{'server restart'}<br><br>
2825                 <hr>";
2826         print<<END;
2827 <table width='100%'>
2828 <tr>
2829     <td>&nbsp;</td>
2830     <td allign='center'><input type='submit' name='ACTION' value='$Lang::tr{'save-adv-options'}' disabled='disabled' /></td>
2831     <td allign='center'><input type='submit' name='ACTION' value='$Lang::tr{'cancel-adv-options'}' /></td>
2832     <td>&nbsp;</td>
2833 </tr>
2834 </table>
2835 </form>
2836 END
2837 ;
2838
2839
2840 }else{
2841
2842         print<<END;
2843 <table width='100%'>
2844 <tr>
2845     <td>&nbsp;</td>
2846     <td allign='center'><input type='submit' name='ACTION' value='$Lang::tr{'save-adv-options'}' /></td>
2847     <td allign='center'><input type='submit' name='ACTION' value='$Lang::tr{'cancel-adv-options'}' /></td>
2848     <td>&nbsp;</td>
2849 </tr>
2850 </table>
2851 </form>
2852 END
2853 ;
2854 }
2855     &Header::closebox();
2856 #    print "<div align='center'><a href='/cgi-bin/ovpnmain.cgi'>$Lang::tr{'back'}</a></div>";
2857     &Header::closebigbox();
2858     &Header::closepage();
2859     exit(0);
2860