html/cgi-bin/ovpnmain.cgi

   1 #!/usr/bin/perl
   2 ###############################################################################
   3 #                                                                             #
   4 # IPFire.org - A linux based firewall                                         #
   5 # Copyright (C) 2007-2022  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 use CGI;
  23 use CGI qw/:standard/;
  24 use Imager::QRCode;
  25 use MIME::Base32;
  26 use MIME::Base64;
  27 use URI::Encode qw(uri_encode uri_decode);;
  28 use Net::DNS;
  29 use Net::Ping;
  30 use Net::Telnet;
  31 use File::Copy;
  32 use File::Temp qw/ tempfile tempdir /;
  33 use strict;
  34 use Archive::Zip qw(:ERROR_CODES :CONSTANTS);
  35 use Sort::Naturally;
  36 use Date::Parse;
  37 require '/var/ipfire/general-functions.pl';
  38 require "${General::swroot}/lang.pl";
  39 require "${General::swroot}/header.pl";
  40 require "${General::swroot}/countries.pl";
  41 require "${General::swroot}/location-functions.pl";
  42
  43 # enable only the following on debugging purpose
  44 #use warnings;
  45 #use CGI::Carp 'fatalsToBrowser';
  46
  47 #workaround to suppress a warning when a variable is used only once
  48 my @dummy = ( ${Header::colourgreen}, ${Header::colourblue} );
  49 undef (@dummy);
  50
  51 my %color = ();
  52 my %mainsettings = ();
  53 &General::readhash("${General::swroot}/main/settings", \%mainsettings);
  54 &General::readhash("/srv/web/ipfire/html/themes/ipfire/include/colors.txt", \%color);
  55
  56 ###
  57 ### Initialize variables
  58 ###
  59 my %ccdconfhash=();
  60 my %ccdroutehash=();
  61 my %ccdroute2hash=();
  62 my %netsettings=();
  63 my %cgiparams=();
  64 my %vpnsettings=();
  65 my %checked=();
  66 my %confighash=();
  67 my %cahash=();
  68 my %selected=();
  69 my $warnmessage = '';
  70 my $errormessage = '';
  71 my $cryptoerror = '';
  72 my $cryptowarning = '';
  73 my %settings=();
  74 my $routes_push_file = '';
  75 my $confighost="${General::swroot}/fwhosts/customhosts";
  76 my $configgrp="${General::swroot}/fwhosts/customgroups";
  77 my $customnet="${General::swroot}/fwhosts/customnetworks";
  78 my $name;
  79 my $col="";
  80 my $local_serverconf = "${General::swroot}/ovpn/scripts/server.conf.local";
  81 my $local_clientconf = "${General::swroot}/ovpn/scripts/client.conf.local";
  82 my $dhparameter = "/etc/ssl/ffdhe4096.pem";
  83
  84 &General::readhash("${General::swroot}/ethernet/settings", \%netsettings);
  85 $cgiparams{'ENABLED'} = 'off';
  86 $cgiparams{'ENABLED_BLUE'} = 'off';
  87 $cgiparams{'ENABLED_ORANGE'} = 'off';
  88 $cgiparams{'EDIT_ADVANCED'} = 'off';
  89 $cgiparams{'NAT'} = 'off';
  90 $cgiparams{'COMPRESSION'} = 'off';
  91 $cgiparams{'ONLY_PROPOSED'} = 'off';
  92 $cgiparams{'ACTION'} = '';
  93 $cgiparams{'CA_NAME'} = '';
  94 $cgiparams{'DHCP_DOMAIN'} = '';
  95 $cgiparams{'DHCP_DNS'} = '';
  96 $cgiparams{'DHCP_WINS'} = '';
  97 $cgiparams{'ROUTES_PUSH'} = '';
  98 $cgiparams{'DCOMPLZO'} = 'off';
  99 $cgiparams{'MSSFIX'} = '';
 100 $cgiparams{'number'} = '';
 101 $cgiparams{'DCIPHER'} = '';
 102 $cgiparams{'DAUTH'} = '';
 103 $cgiparams{'TLSAUTH'} = '';
 104 $routes_push_file = "${General::swroot}/ovpn/routes_push";
 105 # Perform crypto and configration test
 106 &pkiconfigcheck;
 107
 108 # Add CCD files if not already presant
 109 unless (-e $routes_push_file) {
 110         open(RPF, ">$routes_push_file");
 111         close(RPF);
 112 }
 113 unless (-e "${General::swroot}/ovpn/ccd.conf") {
 114         open(CCDC, ">${General::swroot}/ovpn/ccd.conf");
 115         close (CCDC);
 116 }
 117 unless (-e "${General::swroot}/ovpn/ccdroute") {
 118         open(CCDR, ">${General::swroot}/ovpn/ccdroute");
 119         close (CCDR);
 120 }
 121 unless (-e "${General::swroot}/ovpn/ccdroute2") {
 122         open(CCDRT, ">${General::swroot}/ovpn/ccdroute2");
 123         close (CCDRT);
 124 }
 125 # Add additional configs if not already presant
 126 unless (-e "$local_serverconf") {
 127         open(LSC, ">$local_serverconf");
 128        close (LSC);
 129 }
 130 unless (-e "$local_clientconf") {
 131        open(LCC, ">$local_clientconf");
 132        close (LCC);
 133 }
 134
 135 &Header::getcgihash(\%cgiparams, {'wantfile' => 1, 'filevar' => 'FH'});
 136
 137 # prepare openvpn config file
 138 ###
 139 ### Useful functions
 140 ###
 141 sub haveOrangeNet
 142 {
 143         if ($netsettings{'CONFIG_TYPE'} == 2) {return 1;}
 144         if ($netsettings{'CONFIG_TYPE'} == 4) {return 1;}
 145         return 0;
 146 }
 147
 148 sub haveBlueNet
 149 {
 150         if ($netsettings{'CONFIG_TYPE'} == 3) {return 1;}
 151         if ($netsettings{'CONFIG_TYPE'} == 4) {return 1;}
 152         return 0;
 153 }
 154
 155 sub sizeformat{
 156     my $bytesize = shift;
 157     my $i = 0;
 158
 159     while(abs($bytesize) >= 1024){
 160         $bytesize=$bytesize/1024;
 161         $i++;
 162         last if($i==6);
 163     }
 164
 165     my @units = ("Bytes","KB","MB","GB","TB","PB","EB");
 166     my $newsize=(int($bytesize*100 +0.5))/100;
 167     return("$newsize $units[$i]");
 168 }
 169
 170 sub cleanssldatabase
 171 {
 172     if (open(FILE, ">${General::swroot}/ovpn/certs/serial")) {
 173         print FILE "01";
 174         close FILE;
 175     }
 176     if (open(FILE, ">${General::swroot}/ovpn/certs/index.txt")) {
 177         print FILE "";
 178         close FILE;
 179     }
 180     if (open(FILE, ">${General::swroot}/ovpn/certs/index.txt.attr")) {
 181       print FILE "";
 182       close FILE;
 183     }
 184     unlink ("${General::swroot}/ovpn/certs/index.txt.old");
 185     unlink ("${General::swroot}/ovpn/certs/index.txt.attr.old");
 186     unlink ("${General::swroot}/ovpn/certs/serial.old");
 187     unlink ("${General::swroot}/ovpn/certs/01.pem");
 188 }
 189
 190 sub newcleanssldatabase
 191 {
 192     if (! -s "${General::swroot}/ovpn/certs/serial" )  {
 193         open(FILE, ">${General::swroot}(ovpn/certs/serial");
 194         print FILE "01";
 195         close FILE;
 196     }
 197     if (! -s ">${General::swroot}/ovpn/certs/index.txt") {
 198         &General::system("touch", "${General::swroot}/ovpn/certs/index.txt");
 199     }
 200     if (! -s ">${General::swroot}/ovpn/certs/index.txt.attr") {
 201         &General::system("touch", "${General::swroot}/ovpn/certs/index.txt.attr");
 202     }
 203     unlink ("${General::swroot}/ovpn/certs/index.txt.old");
 204     unlink ("${General::swroot}/ovpn/certs/index.txt.attr.old");
 205     unlink ("${General::swroot}/ovpn/certs/serial.old");
 206 }
 207
 208 sub deletebackupcert
 209 {
 210         if (open(FILE, "${General::swroot}/ovpn/certs/serial.old")) {
 211                 my $hexvalue = <FILE>;
 212                 chomp $hexvalue;
 213                 close FILE;
 214                 unlink ("${General::swroot}/ovpn/certs/$hexvalue.pem");
 215         }
 216 }
 217
 218 ###
 219 ### Check for PKI and configure problems
 220 ###
 221
 222 sub pkiconfigcheck
 223 {
 224         # Warning if md5 is in usage
 225         if (-f "${General::swroot}/ovpn/certs/servercert.pem") {
 226                 my @signature = &General::system_output("/usr/bin/openssl", "x509", "-noout", "-text", "-in", "${General::swroot}/ovpn/certs/servercert.pem");
 227                 if (grep(/md5WithRSAEncryption/, @signature) ) {
 228                         $cryptoerror = "$Lang::tr{'ovpn error md5'}";
 229                         goto CRYPTO_ERROR;
 230                 }
 231         }
 232
 233         CRYPTO_ERROR:
 234
 235         # Warning if certificate is not compliant to RFC3280 TLS rules
 236         if (-f "${General::swroot}/ovpn/certs/servercert.pem") {
 237                 my @extendkeyusage = &General::system_output("/usr/bin/openssl", "x509", "-noout", "-text", "-in", "${General::swroot}/ovpn/certs/servercert.pem");
 238                 if ( ! grep(/TLS Web Server Authentication/, @extendkeyusage)) {
 239                         $cryptowarning = "$Lang::tr{'ovpn warning rfc3280'}";
 240                         goto CRYPTO_WARNING;
 241                 }
 242         }
 243
 244         CRYPTO_WARNING:
 245 }
 246
 247 sub writeserverconf {
 248     my %sovpnsettings = ();
 249     my @temp = ();
 250     &General::readhash("${General::swroot}/ovpn/settings", \%sovpnsettings);
 251     &read_routepushfile;
 252
 253     open(CONF,    ">${General::swroot}/ovpn/server.conf") or die "Unable to open ${General::swroot}/ovpn/server.conf: $!";
 254     flock CONF, 2;
 255     print CONF "#OpenVPN Server conf\n";
 256     print CONF "\n";
 257     print CONF "daemon openvpnserver\n";
 258     print CONF "writepid /var/run/openvpn.pid\n";
 259     print CONF "#DAN prepare OpenVPN for listening on blue and orange\n";
 260     print CONF ";local $sovpnsettings{'VPN_IP'}\n";
 261     print CONF "dev tun\n";
 262     print CONF "proto $sovpnsettings{'DPROTOCOL'}\n";
 263     print CONF "port $sovpnsettings{'DDEST_PORT'}\n";
 264     print CONF "script-security 3\n";
 265     print CONF "ifconfig-pool-persist /var/ipfire/ovpn/ovpn-leases.db 3600\n";
 266     print CONF "client-config-dir /var/ipfire/ovpn/ccd\n";
 267     print CONF "tls-server\n";
 268     print CONF "ca ${General::swroot}/ovpn/ca/cacert.pem\n";
 269     print CONF "cert ${General::swroot}/ovpn/certs/servercert.pem\n";
 270     print CONF "key ${General::swroot}/ovpn/certs/serverkey.pem\n";
 271     print CONF "dh $dhparameter\n";
 272     my @tempovpnsubnet = split("\/",$sovpnsettings{'DOVPN_SUBNET'});
 273     print CONF "server $tempovpnsubnet[0] $tempovpnsubnet[1]\n";
 274     #print CONF "push \"route $netsettings{'GREEN_NETADDRESS'} $netsettings{'GREEN_NETMASK'}\"\n";
 275
 276     print CONF "tun-mtu $sovpnsettings{'DMTU'}\n";
 277
 278     if ($vpnsettings{'ROUTES_PUSH'} ne '') {
 279                 @temp = split(/\n/,$vpnsettings{'ROUTES_PUSH'});
 280                 foreach (@temp)
 281                 {
 282                         @tempovpnsubnet = split("\/",&General::ipcidr2msk($_));
 283                         print CONF "push \"route " . $tempovpnsubnet[0]. " " .  $tempovpnsubnet[1] . "\"\n";
 284                 }
 285         }
 286 # a.marx ccd
 287         my %ccdconfhash=();
 288         &General::readhasharray("${General::swroot}/ovpn/ccd.conf", \%ccdconfhash);
 289         foreach my $key (keys %ccdconfhash) {
 290                 my $a=$ccdconfhash{$key}[1];
 291                 my ($b,$c) = split (/\//, $a);
 292                 print CONF "route $b ".&General::cidrtosub($c)."\n";
 293         }
 294         my %ccdroutehash=();
 295         &General::readhasharray("${General::swroot}/ovpn/ccdroute", \%ccdroutehash);
 296         foreach my $key (keys %ccdroutehash) {
 297                 foreach my $i ( 1 .. $#{$ccdroutehash{$key}}){
 298                         my ($a,$b)=split (/\//,$ccdroutehash{$key}[$i]);
 299                         print CONF "route $a $b\n";
 300                 }
 301         }
 302 # ccd end
 303
 304         if ($sovpnsettings{CLIENT2CLIENT} eq 'on') {
 305         print CONF "client-to-client\n";
 306     }
 307     if ($sovpnsettings{MSSFIX} eq 'on') {
 308                 print CONF "mssfix\n";
 309     } else {
 310                 print CONF "mssfix 0\n";
 311     }
 312     if ($sovpnsettings{FRAGMENT} ne '' && $sovpnsettings{'DPROTOCOL'} ne 'tcp') {
 313                 print CONF "fragment $sovpnsettings{'FRAGMENT'}\n";
 314     }
 315
 316     if ($sovpnsettings{KEEPALIVE_1} > 0 && $sovpnsettings{KEEPALIVE_2} > 0) {
 317         print CONF "keepalive $sovpnsettings{'KEEPALIVE_1'} $sovpnsettings{'KEEPALIVE_2'}\n";
 318     }
 319     print CONF "status-version 1\n";
 320     print CONF "status /var/run/ovpnserver.log 30\n";
 321     print CONF "ncp-disable\n";
 322     print CONF "cipher $sovpnsettings{DCIPHER}\n";
 323         print CONF "auth $sovpnsettings{'DAUTH'}\n";
 324     # Set TLSv2 as minimum
 325     print CONF "tls-version-min 1.2\n";
 326
 327     if ($sovpnsettings{'TLSAUTH'} eq 'on') {
 328         print CONF "tls-auth ${General::swroot}/ovpn/certs/ta.key\n";
 329     }
 330     if ($sovpnsettings{DCOMPLZO} eq 'on') {
 331         print CONF "comp-lzo\n";
 332     }
 333     if ($sovpnsettings{REDIRECT_GW_DEF1} eq 'on') {
 334         print CONF "push \"redirect-gateway def1\"\n";
 335     }
 336     if ($sovpnsettings{DHCP_DOMAIN} ne '') {
 337         print CONF "push \"dhcp-option DOMAIN $sovpnsettings{DHCP_DOMAIN}\"\n";
 338     }
 339
 340     if ($sovpnsettings{DHCP_DNS} ne '') {
 341         print CONF "push \"dhcp-option DNS $sovpnsettings{DHCP_DNS}\"\n";
 342     }
 343
 344     if ($sovpnsettings{DHCP_WINS} ne '') {
 345         print CONF "push \"dhcp-option WINS $sovpnsettings{DHCP_WINS}\"\n";
 346     }
 347
 348     if ($sovpnsettings{MAX_CLIENTS} eq '') {
 349         print CONF "max-clients 100\n";
 350     }
 351     if ($sovpnsettings{MAX_CLIENTS} ne '') {
 352         print CONF "max-clients $sovpnsettings{MAX_CLIENTS}\n";
 353     }
 354     print CONF "tls-verify /usr/lib/openvpn/verify\n";
 355     print CONF "crl-verify /var/ipfire/ovpn/crls/cacrl.pem\n";
 356     print CONF "auth-user-pass-optional\n";
 357     print CONF "reneg-sec 86400\n";
 358     print CONF "user nobody\n";
 359     print CONF "group nobody\n";
 360     print CONF "persist-key\n";
 361     print CONF "persist-tun\n";
 362         if ($sovpnsettings{LOG_VERB} ne '') {
 363                 print CONF "verb $sovpnsettings{LOG_VERB}\n";
 364         } else {
 365                 print CONF "verb 3\n";
 366         }
 367
 368     print CONF "# Log clients connecting/disconnecting\n";
 369     print CONF "client-connect \"/usr/sbin/openvpn-metrics client-connect\"\n";
 370     print CONF "client-disconnect \"/usr/sbin/openvpn-metrics client-disconnect\"\n";
 371     print CONF "\n";
 372
 373     print CONF "# Enable Management Socket\n";
 374     print CONF "management /var/run/openvpn.sock unix\n";
 375     print CONF "management-client-auth\n";
 376
 377     # Print server.conf.local if entries exist to server.conf
 378     if ( !-z $local_serverconf  && $sovpnsettings{'ADDITIONAL_CONFIGS'} eq 'on') {
 379        open (LSC, "$local_serverconf");
 380                print CONF "\n#---------------------------\n";
 381                print CONF "# Start of custom directives\n";
 382                print CONF "# from server.conf.local\n";
 383                print CONF "#---------------------------\n\n";
 384        while (<LSC>) {
 385                print CONF $_;
 386        }
 387                print CONF "\n#-----------------------------\n";
 388                print CONF "# End of custom directives\n";
 389                print CONF "#-----------------------------\n";
 390        close (LSC);
 391     }
 392     print CONF "\n";
 393
 394     close(CONF);
 395 }
 396
 397 sub emptyserverlog{
 398     if (open(FILE, ">/var/run/ovpnserver.log")) {
 399         flock FILE, 2;
 400         print FILE "";
 401         close FILE;
 402     }
 403
 404 }
 405
 406 sub delccdnet
 407 {
 408         my %ccdconfhash = ();
 409         my %ccdhash = ();
 410         my $ccdnetname=$_[0];
 411         if (-f "${General::swroot}/ovpn/ovpnconfig"){
 412                 &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%ccdhash);
 413                 foreach my $key (keys %ccdhash) {
 414                         if ($ccdhash{$key}[32] eq $ccdnetname) {
 415                                 $errormessage=$Lang::tr{'ccd err hostinnet'};
 416                                 return;
 417                         }
 418                 }
 419         }
 420         &General::readhasharray("${General::swroot}/ovpn/ccd.conf", \%ccdconfhash);
 421         foreach my $key (keys %ccdconfhash) {
 422                         if ($ccdconfhash{$key}[0] eq $ccdnetname){
 423                                 delete $ccdconfhash{$key};
 424                         }
 425         }
 426         &General::writehasharray("${General::swroot}/ovpn/ccd.conf", \%ccdconfhash);
 427
 428         &writeserverconf;
 429         return 0;
 430 }
 431
 432 sub addccdnet
 433 {
 434         my %ccdconfhash=();
 435         my @ccdconf=();
 436         my $ccdname=$_[0];
 437         my $ccdnet=$_[1];
 438         my $subcidr;
 439         my @ip2=();
 440         my $checkup;
 441         my $ccdip;
 442         my $baseaddress;
 443
 444
 445         #check name
 446         if ($ccdname eq '')
 447         {
 448                 $errormessage=$errormessage.$Lang::tr{'ccd err name'}."<br>";
 449                 return
 450         }
 451
 452         if(!&General::validccdname($ccdname))
 453         {
 454                 $errormessage=$Lang::tr{'ccd err invalidname'};
 455                 return;
 456         }
 457
 458         ($ccdip,$subcidr) = split (/\//,$ccdnet);
 459         $subcidr=&General::iporsubtocidr($subcidr);
 460         #check subnet
 461         if ($subcidr > 30)
 462         {
 463                 $errormessage=$Lang::tr{'ccd err invalidnet'};
 464                 return;
 465         }
 466         #check ip
 467         if (!&General::validipandmask($ccdnet)){
 468                 $errormessage=$Lang::tr{'ccd err invalidnet'};
 469                 return;
 470         }
 471
 472         if (!$errormessage) {
 473                 my %ccdconfhash=();
 474                 $baseaddress=&General::getnetworkip($ccdip,$subcidr);
 475                 &General::readhasharray("${General::swroot}/ovpn/ccd.conf", \%ccdconfhash);
 476                 my $key = &General::findhasharraykey (\%ccdconfhash);
 477                 foreach my $i (0 .. 1) { $ccdconfhash{$key}[$i] = "";}
 478                 $ccdconfhash{$key}[0] = $ccdname;
 479                 $ccdconfhash{$key}[1] = $baseaddress."/".$subcidr;
 480                 &General::writehasharray("${General::swroot}/ovpn/ccd.conf", \%ccdconfhash);
 481                 &writeserverconf;
 482                 $cgiparams{'ccdname'}='';
 483                 $cgiparams{'ccdsubnet'}='';
 484                 return 1;
 485         }
 486 }
 487
 488 sub modccdnet
 489 {
 490
 491         my $newname=$_[0];
 492         my $oldname=$_[1];
 493         my %ccdconfhash=();
 494         my %ccdhash=();
 495
 496         # Check if the new name is valid.
 497         if(!&General::validhostname($newname)) {
 498                 $errormessage=$Lang::tr{'ccd err invalidname'};
 499                 return;
 500         }
 501
 502         &General::readhasharray("${General::swroot}/ovpn/ccd.conf", \%ccdconfhash);
 503         foreach my $key (keys %ccdconfhash) {
 504                 if ($ccdconfhash{$key}[0] eq $oldname) {
 505                         foreach my $key1 (keys %ccdconfhash) {
 506                                 if ($ccdconfhash{$key1}[0] eq $newname){
 507                                         $errormessage=$errormessage.$Lang::tr{'ccd err netadrexist'};
 508                                         return;
 509                                 }else{
 510                                         $ccdconfhash{$key}[0]= $newname;
 511                                         &General::writehasharray("${General::swroot}/ovpn/ccd.conf", \%ccdconfhash);
 512                                         last;
 513                                 }
 514                         }
 515                 }
 516         }
 517
 518         &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%ccdhash);
 519                 foreach my $key (keys %ccdhash) {
 520                         if ($ccdhash{$key}[32] eq $oldname) {
 521                                 $ccdhash{$key}[32]=$newname;
 522                                 &General::writehasharray("${General::swroot}/ovpn/ovpnconfig", \%ccdhash);
 523                                 last;
 524                         }
 525                 }
 526
 527         return 0;
 528 }
 529 sub ccdmaxclients
 530 {
 531         my $ccdnetwork=$_[0];
 532         my @octets=();
 533         my @subnet=();
 534         @octets=split("\/",$ccdnetwork);
 535         @subnet= split /\./, &General::cidrtosub($octets[1]);
 536         my ($a,$b,$c,$d,$e);
 537         $a=256-$subnet[0];
 538         $b=256-$subnet[1];
 539         $c=256-$subnet[2];
 540         $d=256-$subnet[3];
 541         $e=($a*$b*$c*$d)/4;
 542         return $e-1;
 543 }
 544
 545 sub getccdadresses
 546 {
 547         my $ipin=$_[0];
 548         my ($ip1,$ip2,$ip3,$ip4)=split  /\./, $ipin;
 549         my $cidr=$_[1];
 550         chomp($cidr);
 551         my $count=$_[2];
 552         my $hasip=$_[3];
 553         chomp($hasip);
 554         my @iprange=();
 555         my %ccdhash=();
 556         &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%ccdhash);
 557         $iprange[0]=$ip1.".".$ip2.".".$ip3.".".($ip4+2);
 558         for (my $i=1;$i<=$count;$i++) {
 559                 my $tmpip=$iprange[$i-1];
 560                 my $stepper=$i*4;
 561                 $iprange[$i]= &General::getnextip($tmpip,4);
 562         }
 563         my $r=0;
 564         foreach my $key (keys %ccdhash) {
 565                 $r=0;
 566                 foreach  my $tmp (@iprange){
 567                         my ($net,$sub) = split (/\//,$ccdhash{$key}[33]);
 568                         if ($net eq $tmp) {
 569                                 if ( $hasip ne  $ccdhash{$key}[33] ){
 570                                         splice (@iprange,$r,1);
 571                                 }
 572                         }
 573                         $r++;
 574                 }
 575         }
 576         return @iprange;
 577 }
 578
 579 sub fillselectbox
 580 {
 581         my $boxname=$_[1];
 582         my ($ccdip,$subcidr) = split("/",$_[0]);
 583         my $tz=$_[2];
 584         my @allccdips=&getccdadresses($ccdip,$subcidr,&ccdmaxclients($ccdip."/".$subcidr),$tz);
 585         print"<select name='$boxname' STYLE='font-family : arial; font-size : 9pt; width:130px;' >";
 586         foreach (@allccdips) {
 587                 my $ip=$_."/30";
 588                 chomp($ip);
 589                 print "<option value='$ip' ";
 590                 if ( $ip eq $cgiparams{$boxname} ){
 591                         print"selected";
 592                 }
 593                 print ">$ip</option>";
 594         }
 595         print "</select>";
 596 }
 597
 598 sub hostsinnet
 599 {
 600         my $name=$_[0];
 601         my %ccdhash=();
 602         my $i=0;
 603         &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%ccdhash);
 604         foreach my $key (keys %ccdhash) {
 605                 if ($ccdhash{$key}[32] eq $name){ $i++;}
 606         }
 607         return $i;
 608 }
 609
 610 sub check_routes_push
 611 {
 612                         my $val=$_[0];
 613                         my ($ip,$cidr) = split (/\//, $val);
 614                         ##check for existing routes in routes_push
 615                         if (-e "${General::swroot}/ovpn/routes_push") {
 616                                 open(FILE,"${General::swroot}/ovpn/routes_push");
 617                                 while (<FILE>) {
 618                                         $_=~s/\s*$//g;
 619
 620                                         my ($ip2,$cidr2) = split (/\//,"$_");
 621                                         my $val2=$ip2."/".&General::iporsubtodec($cidr2);
 622
 623                                         if($val eq $val2){
 624                                                 return 0;
 625                                         }
 626                                         #subnetcheck
 627                                         if (&General::IpInSubnet ($ip,$ip2,&General::iporsubtodec($cidr2))){
 628                                                 return 0;
 629                                         }
 630                                 };
 631                                 close(FILE);
 632                         }
 633         return 1;
 634 }
 635
 636 sub check_ccdroute
 637 {
 638         my %ccdroutehash=();
 639         my $val=$_[0];
 640         my ($ip,$cidr) = split (/\//, $val);
 641         #check for existing routes in ccdroute
 642         &General::readhasharray("${General::swroot}/ovpn/ccdroute", \%ccdroutehash);
 643         foreach my $key (keys %ccdroutehash) {
 644                 foreach my $i (1 .. $#{$ccdroutehash{$key}}) {
 645                         if (&General::iporsubtodec($val) eq $ccdroutehash{$key}[$i] && $ccdroutehash{$key}[0] ne $cgiparams{'NAME'}){
 646                                 return 0;
 647                         }
 648                         my ($ip2,$cidr2) = split (/\//,$ccdroutehash{$key}[$i]);
 649                         #subnetcheck
 650                         if (&General::IpInSubnet ($ip,$ip2,$cidr2)&& $ccdroutehash{$key}[0] ne $cgiparams{'NAME'} ){
 651                                 return 0;
 652                         }
 653                 }
 654         }
 655         return 1;
 656 }
 657 sub check_ccdconf
 658 {
 659         my %ccdconfhash=();
 660         my $val=$_[0];
 661         my ($ip,$cidr) = split (/\//, $val);
 662         #check for existing routes in ccdroute
 663         &General::readhasharray("${General::swroot}/ovpn/ccd.conf", \%ccdconfhash);
 664         foreach my $key (keys %ccdconfhash) {
 665                 if (&General::iporsubtocidr($val) eq $ccdconfhash{$key}[1]){
 666                                 return 0;
 667                         }
 668                         my ($ip2,$cidr2) = split (/\//,$ccdconfhash{$key}[1]);
 669                         #subnetcheck
 670                         if (&General::IpInSubnet ($ip,$ip2,&General::cidrtosub($cidr2))){
 671                                 return 0;
 672                         }
 673
 674         }
 675         return 1;
 676 }
 677
 678 ###
 679 # m.a.d net2net
 680 ###
 681
 682 sub validdotmask
 683 {
 684         my $ipdotmask = $_[0];
 685         if (&General::validip($ipdotmask)) { return 0; }
 686         if (!($ipdotmask =~ /^(.*?)\/(.*?)$/)) {  }
 687         my $mask = $2;
 688         if (($mask =~ /\./ )) { return 0; }
 689   return 1;
 690 }
 691
 692 # -------------------------------------------------------------------
 693
 694 sub write_routepushfile
 695 {
 696         open(FILE, ">$routes_push_file");
 697         flock(FILE, 2);
 698         if ($vpnsettings{'ROUTES_PUSH'} ne '') {
 699                 print FILE $vpnsettings{'ROUTES_PUSH'};
 700         }
 701         close(FILE);
 702 }
 703
 704 sub read_routepushfile
 705 {
 706         if (-e "$routes_push_file") {
 707                 open(FILE,"$routes_push_file");
 708                 delete $vpnsettings{'ROUTES_PUSH'};
 709                 while (<FILE>) { $vpnsettings{'ROUTES_PUSH'} .= $_ };
 710                 close(FILE);
 711                 $cgiparams{'ROUTES_PUSH'} = $vpnsettings{'ROUTES_PUSH'};
 712
 713         }
 714 }
 715
 716 sub writecollectdconf {
 717         my $vpncollectd;
 718         my %ccdhash=();
 719
 720         open(COLLECTDVPN, ">${General::swroot}/ovpn/collectd.vpn") or die "Unable to open collectd.vpn: $!";
 721         print COLLECTDVPN "Loadplugin openvpn\n";
 722         print COLLECTDVPN "\n";
 723         print COLLECTDVPN "<Plugin openvpn>\n";
 724         print COLLECTDVPN "Statusfile \"/var/run/ovpnserver.log\"\n";
 725
 726         &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%ccdhash);
 727         foreach my $key (keys %ccdhash) {
 728                 if ($ccdhash{$key}[0] eq 'on' && $ccdhash{$key}[3] eq 'net') {
 729                         print COLLECTDVPN "Statusfile \"/var/run/openvpn/$ccdhash{$key}[1]-n2n\"\n";
 730                 }
 731         }
 732
 733         print COLLECTDVPN "</Plugin>\n";
 734         close(COLLECTDVPN);
 735
 736         # Reload collectd afterwards
 737         &General::system("/usr/local/bin/collectdctrl", "restart");
 738 }
 739
 740 #hier die refresh page
 741 if ( -e "${General::swroot}/ovpn/gencanow") {
 742     my $refresh = '';
 743     $refresh = "<meta http-equiv='refresh' content='15;' />";
 744     &Header::showhttpheaders();
 745     &Header::openpage($Lang::tr{'OVPN'}, 1, $refresh);
 746     &Header::openbigbox('100%', 'center');
 747     &Header::openbox('100%', 'left', "$Lang::tr{'generate root/host certificates'}:");
 748     print "<tr>\n<td align='center'><img src='/images/clock.gif' alt='' /></td>\n";
 749     print "<td colspan='2'><font color='red'>Please be patient this realy can take some time on older hardware...</font></td></tr>\n";
 750     &Header::closebox();
 751     &Header::closebigbox();
 752     &Header::closepage();
 753     exit (0);
 754 }
 755 ##hier die refresh page
 756
 757
 758 ###
 759 ### OpenVPN Server Control
 760 ###
 761 if ($cgiparams{'ACTION'} eq $Lang::tr{'start ovpn server'} ||
 762     $cgiparams{'ACTION'} eq $Lang::tr{'stop ovpn server'} ||
 763     $cgiparams{'ACTION'} eq $Lang::tr{'restart ovpn server'}) {
 764     #start openvpn server
 765     if ($cgiparams{'ACTION'} eq $Lang::tr{'start ovpn server'}){
 766         &emptyserverlog();
 767         &General::system("/usr/local/bin/openvpnctrl", "-s");
 768     }
 769     #stop openvpn server
 770     if ($cgiparams{'ACTION'} eq $Lang::tr{'stop ovpn server'}){
 771         &General::system("/usr/local/bin/openvpnctrl", "-k");
 772         &emptyserverlog();
 773     }
 774 #    #restart openvpn server
 775 #    if ($cgiparams{'ACTION'} eq $Lang::tr{'restart ovpn server'}){
 776 #workarund, till SIGHUP also works when running as nobody
 777 #       system('/usr/local/bin/openvpnctrl', '-r');
 778 #       &emptyserverlog();
 779 #    }
 780 }
 781
 782 ###
 783 ### Save Advanced options
 784 ###
 785
 786 if ($cgiparams{'ACTION'} eq $Lang::tr{'save-adv-options'}) {
 787     &General::readhash("${General::swroot}/ovpn/settings", \%vpnsettings);
 788     #DAN do we really need (to to check) this value? Besides if we listen on blue and orange too,
 789     #DAN this value has to leave.
 790 #new settings for daemon
 791     $vpnsettings{'LOG_VERB'} = $cgiparams{'LOG_VERB'};
 792     $vpnsettings{'KEEPALIVE_1'} = $cgiparams{'KEEPALIVE_1'};
 793     $vpnsettings{'KEEPALIVE_2'} = $cgiparams{'KEEPALIVE_2'};
 794     $vpnsettings{'MAX_CLIENTS'} = $cgiparams{'MAX_CLIENTS'};
 795     $vpnsettings{'REDIRECT_GW_DEF1'} = $cgiparams{'REDIRECT_GW_DEF1'};
 796     $vpnsettings{'CLIENT2CLIENT'} = $cgiparams{'CLIENT2CLIENT'};
 797     $vpnsettings{'DCOMPLZO'} = $cgiparams{'DCOMPLZO'};
 798     $vpnsettings{'ADDITIONAL_CONFIGS'} = $cgiparams{'ADDITIONAL_CONFIGS'};
 799     $vpnsettings{'DHCP_DOMAIN'} = $cgiparams{'DHCP_DOMAIN'};
 800     $vpnsettings{'DHCP_DNS'} = $cgiparams{'DHCP_DNS'};
 801     $vpnsettings{'DHCP_WINS'} = $cgiparams{'DHCP_WINS'};
 802     $vpnsettings{'ROUTES_PUSH'} = $cgiparams{'ROUTES_PUSH'};
 803     my @temp=();
 804
 805     if ($cgiparams{'FRAGMENT'} eq '') {
 806         delete $vpnsettings{'FRAGMENT'};
 807     } else {
 808         if ($cgiparams{'FRAGMENT'} !~ /^[0-9]+$/) {
 809             $errormessage = "Incorrect value, please insert only numbers.";
 810         goto ADV_ERROR;
 811                 } else {
 812                         $vpnsettings{'FRAGMENT'} = $cgiparams{'FRAGMENT'};
 813         }
 814     }
 815
 816     if ($cgiparams{'MSSFIX'} ne 'on') {
 817         delete $vpnsettings{'MSSFIX'};
 818     } else {
 819         $vpnsettings{'MSSFIX'} = $cgiparams{'MSSFIX'};
 820     }
 821
 822     if ($cgiparams{'DHCP_DOMAIN'} ne ''){
 823         unless (&General::validdomainname($cgiparams{'DHCP_DOMAIN'}) || &General::validip($cgiparams{'DHCP_DOMAIN'})) {
 824                 $errormessage = $Lang::tr{'invalid input for dhcp domain'};
 825         goto ADV_ERROR;
 826         }
 827     }
 828     if ($cgiparams{'DHCP_DNS'} ne ''){
 829         unless (&General::validfqdn($cgiparams{'DHCP_DNS'}) || &General::validip($cgiparams{'DHCP_DNS'})) {
 830                 $errormessage = $Lang::tr{'invalid input for dhcp dns'};
 831         goto ADV_ERROR;
 832         }
 833     }
 834     if ($cgiparams{'DHCP_WINS'} ne ''){
 835         unless (&General::validfqdn($cgiparams{'DHCP_WINS'}) || &General::validip($cgiparams{'DHCP_WINS'})) {
 836                 $errormessage = $Lang::tr{'invalid input for dhcp wins'};
 837                 goto ADV_ERROR;
 838         }
 839     }
 840     if ($cgiparams{'ROUTES_PUSH'} ne ''){
 841         @temp = split(/\n/,$cgiparams{'ROUTES_PUSH'});
 842         undef $vpnsettings{'ROUTES_PUSH'};
 843
 844         foreach my $tmpip (@temp)
 845         {
 846                 s/^\s+//g; s/\s+$//g;
 847
 848                 if ($tmpip)
 849                 {
 850                         $tmpip=~s/\s*$//g;
 851                         unless (&General::validipandmask($tmpip)) {
 852                                 $errormessage = "$tmpip ".$Lang::tr{'ovpn errmsg invalid ip or mask'};
 853                                 goto ADV_ERROR;
 854                         }
 855                         my ($ip, $cidr) = split("\/",&General::ipcidr2msk($tmpip));
 856
 857                         if ($ip eq $netsettings{'GREEN_NETADDRESS'} && $cidr eq $netsettings{'GREEN_NETMASK'}) {
 858                                 $errormessage = $Lang::tr{'ovpn errmsg green already pushed'};
 859                                 goto ADV_ERROR;
 860                         }
 861 # a.marx ccd
 862                         my %ccdroutehash=();
 863                         &General::readhasharray("${General::swroot}/ovpn/ccdroute", \%ccdroutehash);
 864                         foreach my $key (keys %ccdroutehash) {
 865                                 foreach my $i (1 .. $#{$ccdroutehash{$key}}) {
 866                                         if ( $ip."/".$cidr eq $ccdroutehash{$key}[$i] ){
 867                                                 $errormessage="Route $ip\/$cidr ".$Lang::tr{'ccd err inuse'}." $ccdroutehash{$key}[0]" ;
 868                                                 goto ADV_ERROR;
 869                                         }
 870                                         my ($ip2,$cidr2) = split(/\//,$ccdroutehash{$key}[$i]);
 871                                         if (&General::IpInSubnet ($ip,$ip2,$cidr2)){
 872                                                 $errormessage="Route $ip\/$cidr ".$Lang::tr{'ccd err inuse'}." $ccdroutehash{$key}[0]" ;
 873                                                 goto ADV_ERROR;
 874                                         }
 875                                 }
 876                         }
 877
 878 # ccd end
 879
 880                         $vpnsettings{'ROUTES_PUSH'} .= $tmpip."\n";
 881                 }
 882         }
 883     &write_routepushfile;
 884         undef $vpnsettings{'ROUTES_PUSH'};
 885     }
 886         else {
 887         undef $vpnsettings{'ROUTES_PUSH'};
 888         &write_routepushfile;
 889     }
 890     if ((length($cgiparams{'MAX_CLIENTS'}) == 0) || (($cgiparams{'MAX_CLIENTS'}) < 1 ) || (($cgiparams{'MAX_CLIENTS'}) > 1024 )) {
 891         $errormessage = $Lang::tr{'invalid input for max clients'};
 892         goto ADV_ERROR;
 893     }
 894     if ($cgiparams{'KEEPALIVE_1'} ne '') {
 895         if ($cgiparams{'KEEPALIVE_1'} !~ /^[0-9]+$/) {
 896             $errormessage = $Lang::tr{'invalid input for keepalive 1'};
 897         goto ADV_ERROR;
 898         }
 899     }
 900     if ($cgiparams{'KEEPALIVE_2'} ne ''){
 901         if ($cgiparams{'KEEPALIVE_2'} !~ /^[0-9]+$/) {
 902             $errormessage = $Lang::tr{'invalid input for keepalive 2'};
 903         goto ADV_ERROR;
 904         }
 905     }
 906     if ($cgiparams{'KEEPALIVE_2'} < ($cgiparams{'KEEPALIVE_1'} * 2)){
 907         $errormessage = $Lang::tr{'invalid input for keepalive 1:2'};
 908         goto ADV_ERROR;
 909     }
 910     &General::writehash("${General::swroot}/ovpn/settings", \%vpnsettings);
 911     &writeserverconf();#hier ok
 912 }
 913
 914 ###
 915 # m.a.d net2net
 916 ###
 917
 918 if ($cgiparams{'ACTION'} eq $Lang::tr{'save'} && $cgiparams{'TYPE'} eq 'net' && $cgiparams{'SIDE'} eq 'server')
 919 {
 920
 921 my @remsubnet = split(/\//,$cgiparams{'REMOTE_SUBNET'});
 922 my @ovsubnettemp =  split(/\./,$cgiparams{'OVPN_SUBNET'});
 923 my $ovsubnet =  "$ovsubnettemp[0].$ovsubnettemp[1].$ovsubnettemp[2]";
 924 my $tunmtu =  '';
 925
 926 unless(-d "${General::swroot}/ovpn/n2nconf/"){mkdir "${General::swroot}/ovpn/n2nconf", 0755 or die "Unable to create dir $!";}
 927 unless(-d "${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}"){mkdir "${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}", 0770 or die "Unable to create dir $!";}
 928
 929   open(SERVERCONF,    ">${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}/$cgiparams{'NAME'}.conf") or die "Unable to open ${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}/$cgiparams{'NAME'}.conf: $!";
 930
 931   flock SERVERCONF, 2;
 932   print SERVERCONF "# IPFire n2n Open VPN Server Config by ummeegge und m.a.d\n";
 933   print SERVERCONF "\n";
 934   print SERVERCONF "# User Security\n";
 935   print SERVERCONF "user nobody\n";
 936   print SERVERCONF "group nobody\n";
 937   print SERVERCONF "persist-tun\n";
 938   print SERVERCONF "persist-key\n";
 939   print SERVERCONF "script-security 2\n";
 940   print SERVERCONF "# IP/DNS for remote Server Gateway\n";
 941
 942   if ($cgiparams{'REMOTE'} ne '') {
 943   print SERVERCONF "remote $cgiparams{'REMOTE'}\n";
 944   }
 945
 946   print SERVERCONF "float\n";
 947   print SERVERCONF "# IP adresses of the VPN Subnet\n";
 948   print SERVERCONF "ifconfig $ovsubnet.1 $ovsubnet.2\n";
 949   print SERVERCONF "# Client Gateway Network\n";
 950   print SERVERCONF "route $remsubnet[0] $remsubnet[1]\n";
 951   print SERVERCONF "up \"/etc/init.d/static-routes start\"\n";
 952   print SERVERCONF "# tun Device\n";
 953   print SERVERCONF "dev tun\n";
 954   print SERVERCONF "#Logfile for statistics\n";
 955   print SERVERCONF "status-version 1\n";
 956   print SERVERCONF "status /var/run/openvpn/$cgiparams{'NAME'}-n2n 10\n";
 957   print SERVERCONF "# Port and Protokol\n";
 958   print SERVERCONF "port $cgiparams{'DEST_PORT'}\n";
 959
 960   if ($cgiparams{'PROTOCOL'} eq 'tcp') {
 961   print SERVERCONF "proto tcp4-server\n";
 962   print SERVERCONF "# Packet size\n";
 963   if ($cgiparams{'MTU'} eq '') {$tunmtu = '1400'} else {$tunmtu = $cgiparams{'MTU'}};
 964   print SERVERCONF "tun-mtu $tunmtu\n";
 965   }
 966
 967   if ($cgiparams{'PROTOCOL'} eq 'udp') {
 968   print SERVERCONF "proto udp4\n";
 969   print SERVERCONF "# Paketsize\n";
 970   if ($cgiparams{'MTU'} eq '') {$tunmtu = '1500'} else {$tunmtu = $cgiparams{'MTU'}};
 971   print SERVERCONF "tun-mtu $tunmtu\n";
 972   if ($cgiparams{'FRAGMENT'} ne '') {print SERVERCONF "fragment $cgiparams{'FRAGMENT'}\n";}
 973   if ($cgiparams{'MSSFIX'} eq 'on') {print SERVERCONF "mssfix\n"; } else { print SERVERCONF "mssfix 0\n" };
 974   }
 975
 976   print SERVERCONF "# Auth. Server\n";
 977   print SERVERCONF "tls-server\n";
 978   print SERVERCONF "ca ${General::swroot}/ovpn/ca/cacert.pem\n";
 979   print SERVERCONF "cert ${General::swroot}/ovpn/certs/servercert.pem\n";
 980   print SERVERCONF "key ${General::swroot}/ovpn/certs/serverkey.pem\n";
 981   print SERVERCONF "dh $dhparameter\n";
 982   print SERVERCONF "# Cipher\n";
 983   print SERVERCONF "cipher $cgiparams{'DCIPHER'}\n";
 984
 985   # If GCM cipher is used, do not use --auth
 986   if (($cgiparams{'DCIPHER'} eq 'AES-256-GCM') ||
 987       ($cgiparams{'DCIPHER'} eq 'AES-192-GCM') ||
 988       ($cgiparams{'DCIPHER'} eq 'AES-128-GCM')) {
 989     print SERVERCONF unless "# HMAC algorithm\n";
 990     print SERVERCONF unless "auth $cgiparams{'DAUTH'}\n";
 991   } else {
 992     print SERVERCONF "# HMAC algorithm\n";
 993     print SERVERCONF "auth $cgiparams{'DAUTH'}\n";
 994   }
 995
 996   # Set TLSv1.2 as minimum
 997   print SERVERCONF "tls-version-min 1.2\n";
 998
 999   if ($cgiparams{'COMPLZO'} eq 'on') {
1000    print SERVERCONF "# Enable Compression\n";
1001    print SERVERCONF "comp-lzo\n";
1002      }
1003   print SERVERCONF "# Debug Level\n";
1004   print SERVERCONF "verb 3\n";
1005   print SERVERCONF "# Tunnel check\n";
1006   print SERVERCONF "keepalive 10 60\n";
1007   print SERVERCONF "# Start as daemon\n";
1008   print SERVERCONF "daemon $cgiparams{'NAME'}n2n\n";
1009   print SERVERCONF "writepid /var/run/$cgiparams{'NAME'}n2n.pid\n";
1010   print SERVERCONF "# Activate Management Interface and Port\n";
1011   if ($cgiparams{'OVPN_MGMT'} eq '') {print SERVERCONF "management localhost $cgiparams{'DEST_PORT'}\n"}
1012   else {print SERVERCONF "management localhost $cgiparams{'OVPN_MGMT'}\n"};
1013   close(SERVERCONF);
1014
1015 }
1016
1017 ###
1018 # m.a.d net2net
1019 ###
1020
1021 if ($cgiparams{'ACTION'} eq $Lang::tr{'save'} && $cgiparams{'TYPE'} eq 'net' && $cgiparams{'SIDE'} eq 'client')
1022 {
1023
1024         my @ovsubnettemp =  split(/\./,$cgiparams{'OVPN_SUBNET'});
1025         my $ovsubnet =  "$ovsubnettemp[0].$ovsubnettemp[1].$ovsubnettemp[2]";
1026         my @remsubnet =  split(/\//,$cgiparams{'REMOTE_SUBNET'});
1027         my $tunmtu =  '';
1028
1029 unless(-d "${General::swroot}/ovpn/n2nconf/"){mkdir "${General::swroot}/ovpn/n2nconf", 0755 or die "Unable to create dir $!";}
1030 unless(-d "${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}"){mkdir "${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}", 0770 or die "Unable to create dir $!";}
1031
1032   open(CLIENTCONF,    ">${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}/$cgiparams{'NAME'}.conf") or die "Unable to open ${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}/$cgiparams{'NAME'}.conf: $!";
1033
1034   flock CLIENTCONF, 2;
1035   print CLIENTCONF "# IPFire rewritten n2n Open VPN Client Config by ummeegge und m.a.d\n";
1036   print CLIENTCONF "#\n";
1037   print CLIENTCONF "# User Security\n";
1038   print CLIENTCONF "user nobody\n";
1039   print CLIENTCONF "group nobody\n";
1040   print CLIENTCONF "persist-tun\n";
1041   print CLIENTCONF "persist-key\n";
1042   print CLIENTCONF "script-security 2\n";
1043   print CLIENTCONF "# IP/DNS for remote Server Gateway\n";
1044   print CLIENTCONF "remote $cgiparams{'REMOTE'}\n";
1045   print CLIENTCONF "float\n";
1046   print CLIENTCONF "# IP adresses of the VPN Subnet\n";
1047   print CLIENTCONF "ifconfig $ovsubnet.2 $ovsubnet.1\n";
1048   print CLIENTCONF "# Server Gateway Network\n";
1049   print CLIENTCONF "route $remsubnet[0] $remsubnet[1]\n";
1050   print CLIENTCONF "up \"/etc/init.d/static-routes start\"\n";
1051   print CLIENTCONF "# tun Device\n";
1052   print CLIENTCONF "dev tun\n";
1053   print CLIENTCONF "#Logfile for statistics\n";
1054   print CLIENTCONF "status-version 1\n";
1055   print CLIENTCONF "status /var/run/openvpn/$cgiparams{'NAME'}-n2n 10\n";
1056   print CLIENTCONF "# Port and Protokol\n";
1057   print CLIENTCONF "port $cgiparams{'DEST_PORT'}\n";
1058
1059   if ($cgiparams{'PROTOCOL'} eq 'tcp') {
1060   print CLIENTCONF "proto tcp4-client\n";
1061   print CLIENTCONF "# Packet size\n";
1062   if ($cgiparams{'MTU'} eq '') {$tunmtu = '1400'} else {$tunmtu = $cgiparams{'MTU'}};
1063   print CLIENTCONF "tun-mtu $tunmtu\n";
1064   }
1065
1066   if ($cgiparams{'PROTOCOL'} eq 'udp') {
1067   print CLIENTCONF "proto udp4\n";
1068   print CLIENTCONF "# Paketsize\n";
1069   if ($cgiparams{'MTU'} eq '') {$tunmtu = '1500'} else {$tunmtu = $cgiparams{'MTU'}};
1070   print CLIENTCONF "tun-mtu $tunmtu\n";
1071   if ($cgiparams{'FRAGMENT'} ne '') {print CLIENTCONF "fragment $cgiparams{'FRAGMENT'}\n";}
1072   if ($cgiparams{'MSSFIX'} eq 'on') {print CLIENTCONF "mssfix\n"; } else { print CLIENTCONF "mssfix 0\n" };
1073   }
1074
1075   # Check host certificate if X509 is RFC3280 compliant.
1076   # If not, old --ns-cert-type directive will be used.
1077   # If appropriate key usage extension exists, new --remote-cert-tls directive will be used.
1078   my @hostcert = &General::system_output("/usr/bin/openssl", "x509", "-text", "-in", "${General::swroot}/ovpn/certs/servercert.pem");
1079   if ( ! grep(/TLS Web Server Authentication/, @hostcert)) {
1080        print CLIENTCONF "ns-cert-type server\n";
1081   } else {
1082        print CLIENTCONF "remote-cert-tls server\n";
1083   }
1084   print CLIENTCONF "# Auth. Client\n";
1085   print CLIENTCONF "tls-client\n";
1086   print CLIENTCONF "# Cipher\n";
1087   print CLIENTCONF "cipher $cgiparams{'DCIPHER'}\n";
1088   print CLIENTCONF "pkcs12 ${General::swroot}/ovpn/certs/$cgiparams{'NAME'}.p12\r\n";
1089
1090   # If GCM cipher is used, do not use --auth
1091   if (($cgiparams{'DCIPHER'} eq 'AES-256-GCM') ||
1092       ($cgiparams{'DCIPHER'} eq 'AES-192-GCM') ||
1093       ($cgiparams{'DCIPHER'} eq 'AES-128-GCM')) {
1094     print CLIENTCONF unless "# HMAC algorithm\n";
1095     print CLIENTCONF unless "auth $cgiparams{'DAUTH'}\n";
1096   } else {
1097     print CLIENTCONF "# HMAC algorithm\n";
1098     print CLIENTCONF "auth $cgiparams{'DAUTH'}\n";
1099   }
1100
1101   # Set TLSv1.2 as minimum
1102   print CLIENTCONF "tls-version-min 1.2\n";
1103
1104   if ($cgiparams{'COMPLZO'} eq 'on') {
1105    print CLIENTCONF "# Enable Compression\n";
1106    print CLIENTCONF "comp-lzo\n";
1107   }
1108   print CLIENTCONF "# Debug Level\n";
1109   print CLIENTCONF "verb 3\n";
1110   print CLIENTCONF "# Tunnel check\n";
1111   print CLIENTCONF "keepalive 10 60\n";
1112   print CLIENTCONF "# Start as daemon\n";
1113   print CLIENTCONF "daemon $cgiparams{'NAME'}n2n\n";
1114   print CLIENTCONF "writepid /var/run/$cgiparams{'NAME'}n2n.pid\n";
1115   print CLIENTCONF "# Activate Management Interface and Port\n";
1116   if ($cgiparams{'OVPN_MGMT'} eq '') {print CLIENTCONF "management localhost $cgiparams{'DEST_PORT'}\n"}
1117   else {print CLIENTCONF "management localhost $cgiparams{'OVPN_MGMT'}\n"};
1118   close(CLIENTCONF);
1119
1120 }
1121
1122 ###
1123 ### Save main settings
1124 ###
1125
1126 if ($cgiparams{'ACTION'} eq $Lang::tr{'save'} && $cgiparams{'TYPE'} eq '' && $cgiparams{'KEY'} eq '') {
1127     &General::readhash("${General::swroot}/ovpn/settings", \%vpnsettings);
1128     #DAN do we really need (to to check) this value? Besides if we listen on blue and orange too,
1129     #DAN this value has to leave.
1130     if ($cgiparams{'ENABLED'} eq 'on'){
1131         unless (&General::validfqdn($cgiparams{'VPN_IP'}) || &General::validip($cgiparams{'VPN_IP'})) {
1132                 $errormessage = $Lang::tr{'invalid input for hostname'};
1133         goto SETTINGS_ERROR;
1134         }
1135     }
1136
1137     if (! &General::validipandmask($cgiparams{'DOVPN_SUBNET'})) {
1138             $errormessage = $Lang::tr{'ovpn subnet is invalid'};
1139                         goto SETTINGS_ERROR;
1140     }
1141     my @tmpovpnsubnet = split("\/",$cgiparams{'DOVPN_SUBNET'});
1142
1143     if (&General::IpInSubnet ( $netsettings{'RED_ADDRESS'},
1144         $tmpovpnsubnet[0], $tmpovpnsubnet[1])) {
1145         $errormessage = "$Lang::tr{'ovpn subnet overlap'} IPFire RED Network $netsettings{'RED_ADDRESS'}";
1146         goto SETTINGS_ERROR;
1147     }
1148
1149     if (&General::IpInSubnet ( $netsettings{'GREEN_ADDRESS'},
1150         $tmpovpnsubnet[0], $tmpovpnsubnet[1])) {
1151         $errormessage = "$Lang::tr{'ovpn subnet overlap'} IPFire Green Network $netsettings{'GREEN_ADDRESS'}";
1152         goto SETTINGS_ERROR;
1153     }
1154
1155     if (&General::IpInSubnet ( $netsettings{'BLUE_ADDRESS'},
1156         $tmpovpnsubnet[0], $tmpovpnsubnet[1])) {
1157         $errormessage = "$Lang::tr{'ovpn subnet overlap'} IPFire Blue Network $netsettings{'BLUE_ADDRESS'}";
1158         goto SETTINGS_ERROR;
1159     }
1160
1161     if (&General::IpInSubnet ( $netsettings{'ORANGE_ADDRESS'},
1162         $tmpovpnsubnet[0], $tmpovpnsubnet[1])) {
1163         $errormessage = "$Lang::tr{'ovpn subnet overlap'} IPFire Orange Network $netsettings{'ORANGE_ADDRESS'}";
1164         goto SETTINGS_ERROR;
1165     }
1166     open(ALIASES, "${General::swroot}/ethernet/aliases") or die 'Unable to open aliases file.';
1167     while (<ALIASES>)
1168     {
1169         chomp($_);
1170         my @tempalias = split(/\,/,$_);
1171         if ($tempalias[1] eq 'on') {
1172             if (&General::IpInSubnet ($tempalias[0] ,
1173                 $tmpovpnsubnet[0], $tmpovpnsubnet[1])) {
1174                 $errormessage = "$Lang::tr{'ovpn subnet overlap'} IPFire alias entry $tempalias[0]";
1175             }
1176         }
1177     }
1178     close(ALIASES);
1179     if ($errormessage ne ''){
1180         goto SETTINGS_ERROR;
1181     }
1182     if ($cgiparams{'ENABLED'} !~ /^(on|off)$/) {
1183         $errormessage = $Lang::tr{'invalid input'};
1184         goto SETTINGS_ERROR;
1185     }
1186     if ((length($cgiparams{'DMTU'})==0) || (($cgiparams{'DMTU'}) < 1000 )) {
1187         $errormessage = $Lang::tr{'invalid mtu input'};
1188         goto SETTINGS_ERROR;
1189     }
1190
1191     unless (&General::validport($cgiparams{'DDEST_PORT'})) {
1192         $errormessage = $Lang::tr{'invalid port'};
1193         goto SETTINGS_ERROR;
1194     }
1195
1196         # Create ta.key for tls-auth if not presant
1197         if ($cgiparams{'TLSAUTH'} eq 'on') {
1198                 if ( ! -e "${General::swroot}/ovpn/certs/ta.key") {
1199                         # This system call is safe, because all arguements are passed as an array.
1200                         system("/usr/sbin/openvpn", "--genkey", "secret", "${General::swroot}/ovpn/certs/ta.key");
1201                         if ($?) {
1202                                 $errormessage = "$Lang::tr{'openssl produced an error'}: $?";
1203                                 goto SETTINGS_ERROR;
1204                         }
1205                 }
1206         }
1207
1208     $vpnsettings{'ENABLED_BLUE'} = $cgiparams{'ENABLED_BLUE'};
1209     $vpnsettings{'ENABLED_ORANGE'} =$cgiparams{'ENABLED_ORANGE'};
1210     $vpnsettings{'ENABLED'} = $cgiparams{'ENABLED'};
1211     $vpnsettings{'VPN_IP'} = $cgiparams{'VPN_IP'};
1212 #new settings for daemon
1213     $vpnsettings{'DOVPN_SUBNET'} = $cgiparams{'DOVPN_SUBNET'};
1214     $vpnsettings{'DPROTOCOL'} = $cgiparams{'DPROTOCOL'};
1215     $vpnsettings{'DDEST_PORT'} = $cgiparams{'DDEST_PORT'};
1216     $vpnsettings{'DMTU'} = $cgiparams{'DMTU'};
1217     $vpnsettings{'DCOMPLZO'} = $cgiparams{'DCOMPLZO'};
1218     $vpnsettings{'DCIPHER'} = $cgiparams{'DCIPHER'};
1219     $vpnsettings{'DAUTH'} = $cgiparams{'DAUTH'};
1220     $vpnsettings{'TLSAUTH'} = $cgiparams{'TLSAUTH'};
1221 #wrtie enable
1222
1223   if ( $vpnsettings{'ENABLED_BLUE'} eq 'on' ) {
1224           &General::system("touch", "${General::swroot}/ovpn/enable_blue");
1225   } else {
1226           unlink("${General::swroot}/ovpn/enable_blue");
1227   }
1228
1229   if ( $vpnsettings{'ENABLED_ORANGE'} eq 'on' ) {
1230           &General::system("touch", "${General::swroot}/ovpn/enable_orange");
1231   } else {
1232           unlink("${General::swroot}/ovpn/enable_orange");
1233   }
1234
1235   if ( $vpnsettings{'ENABLED'} eq 'on' ) {
1236           &General::system("touch", "${General::swroot}/ovpn/enable");
1237   } else {
1238           unlink("${General::swroot}/ovpn/enable");
1239   }
1240
1241 #new settings for daemon
1242     &General::writehash("${General::swroot}/ovpn/settings", \%vpnsettings);
1243     &writeserverconf();#hier ok
1244 SETTINGS_ERROR:
1245 ###
1246 ### Reset all step 2
1247 ###
1248 }elsif ($cgiparams{'ACTION'} eq $Lang::tr{'remove x509'} && $cgiparams{'AREUSURE'} eq 'yes') {
1249     my $file = '';
1250     &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
1251
1252     # Kill all N2N connections
1253     &General::system("/usr/local/bin/openvpnctrl", "-kn2n");
1254
1255     foreach my $key (keys %confighash) {
1256         my $name = $confighash{$cgiparams{'$key'}}[1];
1257
1258         if ($confighash{$key}[4] eq 'cert') {
1259             delete $confighash{$cgiparams{'$key'}};
1260         }
1261
1262         &General::system("/usr/local/bin/openvpnctrl", "-drrd", "$name");
1263     }
1264     while ($file = glob("${General::swroot}/ovpn/ca/*")) {
1265         unlink $file;
1266     }
1267     while ($file = glob("${General::swroot}/ovpn/certs/*")) {
1268         unlink $file;
1269     }
1270     while ($file = glob("${General::swroot}/ovpn/crls/*")) {
1271         unlink $file;
1272     }
1273         &cleanssldatabase();
1274     if (open(FILE, ">${General::swroot}/ovpn/caconfig")) {
1275         print FILE "";
1276         close FILE;
1277     }
1278     if (open(FILE, ">${General::swroot}/ovpn/ccdroute")) {
1279         print FILE "";
1280         close FILE;
1281     }
1282     if (open(FILE, ">${General::swroot}/ovpn/ccdroute2")) {
1283         print FILE "";
1284         close FILE;
1285     }
1286     while ($file = glob("${General::swroot}/ovpn/ccd/*")) {
1287         unlink $file
1288     }
1289     while ($file = glob("${General::swroot}/ovpn/ccd/*")) {
1290         unlink $file
1291     }
1292     if (open(FILE, ">${General::swroot}/ovpn/ovpn-leases.db")) {
1293         print FILE "";
1294         close FILE;
1295     }
1296     if (open(FILE, ">${General::swroot}/ovpn/ovpnconfig")) {
1297         print FILE "";
1298         close FILE;
1299     }
1300     while ($file = glob("${General::swroot}/ovpn/n2nconf/*")) {
1301         unlink($file);
1302     }
1303
1304     # Remove everything from the collectd configuration
1305     &writecollectdconf();
1306
1307     #&writeserverconf();
1308 ###
1309 ### Reset all step 1
1310 ###
1311 }elsif ($cgiparams{'ACTION'} eq $Lang::tr{'remove x509'}) {
1312     &Header::showhttpheaders();
1313     &Header::openpage($Lang::tr{'ovpn'}, 1, '');
1314     &Header::openbigbox('100%', 'left', '', '');
1315     &Header::openbox('100%', 'left', $Lang::tr{'are you sure'});
1316     print <<END;
1317         <form method='post'>
1318                 <table width='100%'>
1319                         <tr>
1320                                 <td align='center'>
1321                                 <input type='hidden' name='AREUSURE' value='yes' />
1322                                 <b><font color='${Header::colourred}'>$Lang::tr{'capswarning'}</font></b>:
1323                                 $Lang::tr{'resetting the vpn configuration will remove the root ca, the host certificate and all certificate based connections'}</td>
1324                         </tr>
1325                         <tr>
1326                                 <td align='center'><input type='submit' name='ACTION' value='$Lang::tr{'remove x509'}' />
1327                                 <input type='submit' name='ACTION' value='$Lang::tr{'cancel'}' /></td>
1328                         </tr>
1329                 </table>
1330         </form>
1331 END
1332     ;
1333     &Header::closebox();
1334     &Header::closebigbox();
1335     &Header::closepage();
1336     exit (0);
1337
1338 ###
1339 ### Upload CA Certificate
1340 ###
1341 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'upload ca certificate'}) {
1342     &General::readhasharray("${General::swroot}/ovpn/caconfig", \%cahash);
1343
1344     if ($cgiparams{'CA_NAME'} !~ /^[a-zA-Z0-9]+$/) {
1345         $errormessage = $Lang::tr{'name must only contain characters'};
1346         goto UPLOADCA_ERROR;
1347     }
1348
1349     if (length($cgiparams{'CA_NAME'}) >60) {
1350         $errormessage = $Lang::tr{'name too long'};
1351         goto VPNCONF_ERROR;
1352     }
1353
1354     if ($cgiparams{'CA_NAME'} eq 'ca') {
1355         $errormessage = $Lang::tr{'name is invalid'};
1356         goto UPLOADCA_ERROR;
1357     }
1358
1359     # Check if there is no other entry with this name
1360     foreach my $key (keys %cahash) {
1361         if ($cahash{$key}[0] eq $cgiparams{'CA_NAME'}) {
1362             $errormessage = $Lang::tr{'a ca certificate with this name already exists'};
1363             goto UPLOADCA_ERROR;
1364         }
1365     }
1366
1367     unless (ref ($cgiparams{'FH'})) {
1368         $errormessage = $Lang::tr{'there was no file upload'};
1369         goto UPLOADCA_ERROR;
1370     }
1371     # Move uploaded ca to a temporary file
1372     (my $fh, my $filename) = tempfile( );
1373     if (copy ($cgiparams{'FH'}, $fh) != 1) {
1374         $errormessage = $!;
1375         goto UPLOADCA_ERROR;
1376     }
1377     my @temp = &General::system_output("/usr/bin/openssl", "x509", "-text", "-in", "$filename");
1378     if ( ! grep(/CA:TRUE/i, @temp )) {
1379         $errormessage = $Lang::tr{'not a valid ca certificate'};
1380         unlink ($filename);
1381         goto UPLOADCA_ERROR;
1382     } else {
1383         unless(move($filename, "${General::swroot}/ovpn/ca/$cgiparams{'CA_NAME'}cert.pem")) {
1384             $errormessage = "$Lang::tr{'certificate file move failed'}: $!";
1385             unlink ($filename);
1386             goto UPLOADCA_ERROR;
1387         }
1388     }
1389
1390     my @casubject = &General::system_output("/usr/bin/openssl", "x509", "-text", "-in", "${General::swroot}/ovpn/ca/$cgiparams{'CA_NAME'}cert.pem");
1391     my $casubject;
1392
1393     foreach my $line (@casubject) {
1394         if ($line =~ /Subject: (.*)[\n]/) {
1395                 $casubject    = $1;
1396                 $casubject    =~ s+/Email+, E+;
1397                 $casubject    =~ s/ ST=/ S=/;
1398
1399                 last;
1400         }
1401     }
1402
1403     $casubject    = &Header::cleanhtml($casubject);
1404
1405     my $key = &General::findhasharraykey (\%cahash);
1406     $cahash{$key}[0] = $cgiparams{'CA_NAME'};
1407     $cahash{$key}[1] = $casubject;
1408     &General::writehasharray("${General::swroot}/ovpn/caconfig", \%cahash);
1409 #    system('/usr/local/bin/ipsecctrl', 'R');
1410
1411     UPLOADCA_ERROR:
1412
1413 ###
1414 ### Display ca certificate
1415 ###
1416 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'show ca certificate'}) {
1417     &General::readhasharray("${General::swroot}/ovpn/caconfig", \%cahash);
1418
1419     if ( -f "${General::swroot}/ovpn/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem") {
1420         &Header::showhttpheaders();
1421         &Header::openpage($Lang::tr{'ovpn'}, 1, '');
1422         &Header::openbigbox('100%', 'LEFT', '', $errormessage);
1423         &Header::openbox('100%', 'LEFT', "$Lang::tr{'ca certificate'}:");
1424         my @output = &General::system_output("/usr/bin/openssl", "x509", "-text", "-in", "${General::swroot}/ovpn/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem");
1425         my $output = &Header::cleanhtml(join("", @output),"y");
1426         print "<pre>$output</pre>\n";
1427         &Header::closebox();
1428         print "<div align='center'><a href='/cgi-bin/ovpnmain.cgi'>$Lang::tr{'back'}</a></div>";
1429         &Header::closebigbox();
1430         &Header::closepage();
1431         exit(0);
1432     } else {
1433         $errormessage = $Lang::tr{'invalid key'};
1434     }
1435
1436 ###
1437 ### Download ca certificate
1438 ###
1439 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'download ca certificate'}) {
1440     &General::readhasharray("${General::swroot}/ovpn/caconfig", \%cahash);
1441
1442     if ( -f "${General::swroot}/ovpn/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem" ) {
1443         print "Content-Type: application/octet-stream\r\n";
1444         print "Content-Disposition: filename=$cahash{$cgiparams{'KEY'}}[0]cert.pem\r\n\r\n";
1445
1446         my @tmp =  &General::system_output("/usr/bin/openssl", "x509", "-in", "${General::swroot}/ovpn/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem");
1447         print @tmp;
1448
1449         exit(0);
1450     } else {
1451         $errormessage = $Lang::tr{'invalid key'};
1452     }
1453
1454 ###
1455 ### Remove ca certificate (step 2)
1456 ###
1457 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'remove ca certificate'} && $cgiparams{'AREUSURE'} eq 'yes') {
1458     &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
1459     &General::readhasharray("${General::swroot}/ovpn/caconfig", \%cahash);
1460
1461     if ( -f "${General::swroot}/ovpn/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem" ) {
1462         foreach my $key (keys %confighash) {
1463             my @test = &General::system_output("/usr/bin/openssl", "verify", "-CAfile", "${General::swroot}/ovpn/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem", "${General::swroot}/ovpn/certs/$confighash{$key}[1]cert.pem");
1464             if (grep(/: OK/, @test)) {
1465                 # Delete connection
1466 #               if ($vpnsettings{'ENABLED'} eq 'on' ||
1467 #                   $vpnsettings{'ENABLED_BLUE'} eq 'on') {
1468 #                   system('/usr/local/bin/ipsecctrl', 'D', $key);
1469 #               }
1470                 unlink ("${General::swroot}/ovpn//certs/$confighash{$key}[1]cert.pem");
1471                 unlink ("${General::swroot}/ovpn/certs/$confighash{$key}[1].p12");
1472                 delete $confighash{$key};
1473                 &General::writehasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
1474 #               &writeipsecfiles();
1475             }
1476         }
1477         unlink ("${General::swroot}/ovpn/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem");
1478         delete $cahash{$cgiparams{'KEY'}};
1479         &General::writehasharray("${General::swroot}/ovpn/caconfig", \%cahash);
1480 #       system('/usr/local/bin/ipsecctrl', 'R');
1481     } else {
1482         $errormessage = $Lang::tr{'invalid key'};
1483     }
1484 ###
1485 ### Remove ca certificate (step 1)
1486 ###
1487 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'remove ca certificate'}) {
1488     &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
1489     &General::readhasharray("${General::swroot}/ovpn/caconfig", \%cahash);
1490
1491     my $assignedcerts = 0;
1492     if ( -f "${General::swroot}/ovpn/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem" ) {
1493         foreach my $key (keys %confighash) {
1494             my @test = &General::system_output("/usr/bin/openssl", "verify", "-CAfile", "${General::swroot}/ovpn/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem", "${General::swroot}/ovpn/certs/$confighash{$key}[1]cert.pem");
1495             if (grep(/: OK/, @test)) {
1496                 $assignedcerts++;
1497             }
1498         }
1499         if ($assignedcerts) {
1500             &Header::showhttpheaders();
1501             &Header::openpage($Lang::tr{'ovpn'}, 1, '');
1502             &Header::openbigbox('100%', 'LEFT', '', $errormessage);
1503             &Header::openbox('100%', 'LEFT', $Lang::tr{'are you sure'});
1504             print <<END;
1505                 <table><form method='post'><input type='hidden' name='AREUSURE' value='yes' />
1506                        <input type='hidden' name='KEY' value='$cgiparams{'KEY'}' />
1507                     <tr><td align='center'>
1508                         <b><font color='${Header::colourred}'>$Lang::tr{'capswarning'}</font></b>: $assignedcerts
1509                         $Lang::tr{'connections are associated with this ca.  deleting the ca will delete these connections as well.'}
1510                     <tr><td align='center'><input type='submit' name='ACTION' value='$Lang::tr{'remove ca certificate'}' />
1511                         <input type='submit' name='ACTION' value='$Lang::tr{'cancel'}' /></td></tr>
1512                 </form></table>
1513 END
1514             ;
1515             &Header::closebox();
1516             &Header::closebigbox();
1517             &Header::closepage();
1518             exit (0);
1519         } else {
1520             unlink ("${General::swroot}/ovpn/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem");
1521             delete $cahash{$cgiparams{'KEY'}};
1522             &General::writehasharray("${General::swroot}/ovpn/caconfig", \%cahash);
1523 #           system('/usr/local/bin/ipsecctrl', 'R');
1524         }
1525     } else {
1526         $errormessage = $Lang::tr{'invalid key'};
1527     }
1528
1529 ###
1530 ### Display root certificate
1531 ###
1532 }elsif ($cgiparams{'ACTION'} eq $Lang::tr{'show root certificate'} ||
1533     $cgiparams{'ACTION'} eq $Lang::tr{'show host certificate'}) {
1534     my @output;
1535     &Header::showhttpheaders();
1536     &Header::openpage($Lang::tr{'ovpn'}, 1, '');
1537     &Header::openbigbox('100%', 'LEFT', '', '');
1538     if ($cgiparams{'ACTION'} eq $Lang::tr{'show root certificate'}) {
1539         &Header::openbox('100%', 'LEFT', "$Lang::tr{'root certificate'}:");
1540         @output = &General::system_output("/usr/bin/openssl", "x509", "-text", "-in", "${General::swroot}/ovpn/ca/cacert.pem");
1541     } else {
1542         &Header::openbox('100%', 'LEFT', "$Lang::tr{'host certificate'}:");
1543         @output = &General::system_output("/usr/bin/openssl", "x509", "-text", "-in", "${General::swroot}/ovpn/certs/servercert.pem");
1544     }
1545     my $output = &Header::cleanhtml(join("", @output), "y");
1546     print "<pre>$output</pre>\n";
1547     &Header::closebox();
1548     print "<div align='center'><a href='/cgi-bin/ovpnmain.cgi'>$Lang::tr{'back'}</a></div>";
1549     &Header::closebigbox();
1550     &Header::closepage();
1551     exit(0);
1552
1553 ###
1554 ### Download root certificate
1555 ###
1556 }elsif ($cgiparams{'ACTION'} eq $Lang::tr{'download root certificate'}) {
1557     if ( -f "${General::swroot}/ovpn/ca/cacert.pem" ) {
1558         print "Content-Type: application/octet-stream\r\n";
1559         print "Content-Disposition: filename=cacert.pem\r\n\r\n";
1560
1561         my @tmp = &General::system_output("/usr/bin/openssl", "x509", "-in", "${General::swroot}/ovpn/ca/cacert.pem");
1562         print @tmp;
1563
1564         exit(0);
1565     }
1566
1567 ###
1568 ### Download host certificate
1569 ###
1570 }elsif ($cgiparams{'ACTION'} eq $Lang::tr{'download host certificate'}) {
1571     if ( -f "${General::swroot}/ovpn/certs/servercert.pem" ) {
1572         print "Content-Type: application/octet-stream\r\n";
1573         print "Content-Disposition: filename=servercert.pem\r\n\r\n";
1574
1575         my @tmp = &General::system_output("/usr/bin/openssl", "x509", "-in", "${General::swroot}/ovpn/certs/servercert.pem");
1576         print @tmp;
1577
1578         exit(0);
1579     }
1580
1581 ###
1582 ### Download tls-auth key
1583 ###
1584 }elsif ($cgiparams{'ACTION'} eq $Lang::tr{'download tls-auth key'}) {
1585     if ( -f "${General::swroot}/ovpn/certs/ta.key" ) {
1586         print "Content-Type: application/octet-stream\r\n";
1587         print "Content-Disposition: filename=ta.key\r\n\r\n";
1588
1589         open(FILE, "${General::swroot}/ovpn/certs/ta.key");
1590         my @tmp = <FILE>;
1591         close(FILE);
1592
1593         print @tmp;
1594
1595         exit(0);
1596     }
1597
1598 ###
1599 ### Form for generating a root certificate
1600 ###
1601 }elsif ($cgiparams{'ACTION'} eq $Lang::tr{'generate root/host certificates'} ||
1602          $cgiparams{'ACTION'} eq $Lang::tr{'upload p12 file'}) {
1603
1604     &General::readhash("${General::swroot}/ovpn/settings", \%vpnsettings);
1605     if (-f "${General::swroot}/ovpn/ca/cacert.pem") {
1606         $errormessage = $Lang::tr{'valid root certificate already exists'};
1607         $cgiparams{'ACTION'} = '';
1608         goto ROOTCERT_ERROR;
1609     }
1610
1611     if (($cgiparams{'ROOTCERT_HOSTNAME'} eq '') && -e "${General::swroot}/red/active") {
1612         if (open(IPADDR, "${General::swroot}/red/local-ipaddress")) {
1613             my $ipaddr = <IPADDR>;
1614             close IPADDR;
1615             chomp ($ipaddr);
1616             $cgiparams{'ROOTCERT_HOSTNAME'} = (gethostbyaddr(pack("C4", split(/\./, $ipaddr)), 2))[0];
1617             if ($cgiparams{'ROOTCERT_HOSTNAME'} eq '') {
1618                 $cgiparams{'ROOTCERT_HOSTNAME'} = $ipaddr;
1619             }
1620         }
1621     } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'upload p12 file'}) {
1622         unless (ref ($cgiparams{'FH'})) {
1623             $errormessage = $Lang::tr{'there was no file upload'};
1624             goto ROOTCERT_ERROR;
1625         }
1626
1627         # Move uploaded certificate request to a temporary file
1628         (my $fh, my $filename) = tempfile( );
1629         if (copy ($cgiparams{'FH'}, $fh) != 1) {
1630             $errormessage = $!;
1631             goto ROOTCERT_ERROR;
1632         }
1633
1634         # Create a temporary dirctory
1635         my $tempdir = tempdir( CLEANUP => 1 );
1636
1637         # Extract the CA certificate from the file
1638         my $pid = open(OPENSSL, "|-");
1639         $SIG{ALRM} = sub { $errormessage = $Lang::tr{'broken pipe'}; goto ROOTCERT_ERROR;};
1640         if ($pid) {     # parent
1641             if ($cgiparams{'P12_PASS'} ne '') {
1642                 print OPENSSL "$cgiparams{'P12_PASS'}\n";
1643             }
1644             close (OPENSSL);
1645             if ($?) {
1646                 $errormessage = "$Lang::tr{'openssl produced an error'}: $?";
1647                 unlink ($filename);
1648                 goto ROOTCERT_ERROR;
1649             }
1650         } else {        # child
1651             unless (exec ('/usr/bin/openssl', 'pkcs12', '-cacerts', '-nokeys',
1652                     '-in', $filename,
1653                     '-out', "$tempdir/cacert.pem")) {
1654                 $errormessage = "$Lang::tr{'cant start openssl'}: $!";
1655                 unlink ($filename);
1656                 goto ROOTCERT_ERROR;
1657             }
1658         }
1659
1660         # Extract the Host certificate from the file
1661         $pid = open(OPENSSL, "|-");
1662         $SIG{ALRM} = sub { $errormessage = $Lang::tr{'broken pipe'}; goto ROOTCERT_ERROR;};
1663         if ($pid) {     # parent
1664             if ($cgiparams{'P12_PASS'} ne '') {
1665                 print OPENSSL "$cgiparams{'P12_PASS'}\n";
1666             }
1667             close (OPENSSL);
1668             if ($?) {
1669                 $errormessage = "$Lang::tr{'openssl produced an error'}: $?";
1670                 unlink ($filename);
1671                 goto ROOTCERT_ERROR;
1672             }
1673         } else {        # child
1674             unless (exec ('/usr/bin/openssl', 'pkcs12', '-clcerts', '-nokeys',
1675                     '-in', $filename,
1676                     '-out', "$tempdir/hostcert.pem")) {
1677                 $errormessage = "$Lang::tr{'cant start openssl'}: $!";
1678                 unlink ($filename);
1679                 goto ROOTCERT_ERROR;
1680             }
1681         }
1682
1683         # Extract the Host key from the file
1684         $pid = open(OPENSSL, "|-");
1685         $SIG{ALRM} = sub { $errormessage = $Lang::tr{'broken pipe'}; goto ROOTCERT_ERROR;};
1686         if ($pid) {     # parent
1687             if ($cgiparams{'P12_PASS'} ne '') {
1688                 print OPENSSL "$cgiparams{'P12_PASS'}\n";
1689             }
1690             close (OPENSSL);
1691             if ($?) {
1692                 $errormessage = "$Lang::tr{'openssl produced an error'}: $?";
1693                 unlink ($filename);
1694                 goto ROOTCERT_ERROR;
1695             }
1696         } else {        # child
1697             unless (exec ('/usr/bin/openssl', 'pkcs12', '-nocerts',
1698                     '-nodes',
1699                     '-in', $filename,
1700                     '-out', "$tempdir/serverkey.pem")) {
1701                 $errormessage = "$Lang::tr{'cant start openssl'}: $!";
1702                 unlink ($filename);
1703                 goto ROOTCERT_ERROR;
1704             }
1705         }
1706
1707         unless(move("$tempdir/cacert.pem", "${General::swroot}/ovpn/ca/cacert.pem")) {
1708             $errormessage = "$Lang::tr{'certificate file move failed'}: $!";
1709             unlink ($filename);
1710             unlink ("${General::swroot}/ovpn/ca/cacert.pem");
1711             unlink ("${General::swroot}/ovpn/certs/servercert.pem");
1712             unlink ("${General::swroot}/ovpn/certs/serverkey.pem");
1713             goto ROOTCERT_ERROR;
1714         }
1715
1716         unless(move("$tempdir/hostcert.pem", "${General::swroot}/ovpn/certs/servercert.pem")) {
1717             $errormessage = "$Lang::tr{'certificate file move failed'}: $!";
1718             unlink ($filename);
1719             unlink ("${General::swroot}/ovpn/ca/cacert.pem");
1720             unlink ("${General::swroot}/ovpn/certs/servercert.pem");
1721             unlink ("${General::swroot}/ovpn/certs/serverkey.pem");
1722             goto ROOTCERT_ERROR;
1723         }
1724
1725         unless(move("$tempdir/serverkey.pem", "${General::swroot}/ovpn/certs/serverkey.pem")) {
1726             $errormessage = "$Lang::tr{'certificate file move failed'}: $!";
1727             unlink ($filename);
1728             unlink ("${General::swroot}/ovpn/ca/cacert.pem");
1729             unlink ("${General::swroot}/ovpn/certs/servercert.pem");
1730             unlink ("${General::swroot}/ovpn/certs/serverkey.pem");
1731             goto ROOTCERT_ERROR;
1732         }
1733
1734         goto ROOTCERT_SUCCESS;
1735
1736     } elsif ($cgiparams{'ROOTCERT_COUNTRY'} ne '') {
1737
1738         # Validate input since the form was submitted
1739         if ($cgiparams{'ROOTCERT_ORGANIZATION'} eq ''){
1740             $errormessage = $Lang::tr{'organization cant be empty'};
1741             goto ROOTCERT_ERROR;
1742         }
1743         if (length($cgiparams{'ROOTCERT_ORGANIZATION'}) >60) {
1744             $errormessage = $Lang::tr{'organization too long'};
1745             goto ROOTCERT_ERROR;
1746         }
1747         if ($cgiparams{'ROOTCERT_ORGANIZATION'} !~ /^[a-zA-Z0-9 ,\.\-_]*$/) {
1748             $errormessage = $Lang::tr{'invalid input for organization'};
1749             goto ROOTCERT_ERROR;
1750         }
1751         if ($cgiparams{'ROOTCERT_HOSTNAME'} eq ''){
1752             $errormessage = $Lang::tr{'hostname cant be empty'};
1753             goto ROOTCERT_ERROR;
1754         }
1755         unless (&General::validfqdn($cgiparams{'ROOTCERT_HOSTNAME'}) || &General::validip($cgiparams{'ROOTCERT_HOSTNAME'})) {
1756             $errormessage = $Lang::tr{'invalid input for hostname'};
1757             goto ROOTCERT_ERROR;
1758         }
1759         if ($cgiparams{'ROOTCERT_EMAIL'} ne '' && (! &General::validemail($cgiparams{'ROOTCERT_EMAIL'}))) {
1760             $errormessage = $Lang::tr{'invalid input for e-mail address'};
1761             goto ROOTCERT_ERROR;
1762         }
1763         if (length($cgiparams{'ROOTCERT_EMAIL'}) > 40) {
1764             $errormessage = $Lang::tr{'e-mail address too long'};
1765             goto ROOTCERT_ERROR;
1766         }
1767         if ($cgiparams{'ROOTCERT_OU'} ne '' && $cgiparams{'ROOTCERT_OU'} !~ /^[a-zA-Z0-9 ,\.\-_]*$/) {
1768             $errormessage = $Lang::tr{'invalid input for department'};
1769             goto ROOTCERT_ERROR;
1770         }
1771         if ($cgiparams{'ROOTCERT_CITY'} ne '' && $cgiparams{'ROOTCERT_CITY'} !~ /^[a-zA-Z0-9 ,\.\-_]*$/) {
1772             $errormessage = $Lang::tr{'invalid input for city'};
1773             goto ROOTCERT_ERROR;
1774         }
1775         if ($cgiparams{'ROOTCERT_STATE'} ne '' && $cgiparams{'ROOTCERT_STATE'} !~ /^[a-zA-Z0-9 ,\.\-_]*$/) {
1776             $errormessage = $Lang::tr{'invalid input for state or province'};
1777             goto ROOTCERT_ERROR;
1778         }
1779         if ($cgiparams{'ROOTCERT_COUNTRY'} !~ /^[A-Z]*$/) {
1780             $errormessage = $Lang::tr{'invalid input for country'};
1781             goto ROOTCERT_ERROR;
1782         }
1783
1784         # Copy the cgisettings to vpnsettings and save the configfile
1785         $vpnsettings{'ROOTCERT_ORGANIZATION'}   = $cgiparams{'ROOTCERT_ORGANIZATION'};
1786         $vpnsettings{'ROOTCERT_HOSTNAME'}       = $cgiparams{'ROOTCERT_HOSTNAME'};
1787         $vpnsettings{'ROOTCERT_EMAIL'}          = $cgiparams{'ROOTCERT_EMAIL'};
1788         $vpnsettings{'ROOTCERT_OU'}             = $cgiparams{'ROOTCERT_OU'};
1789         $vpnsettings{'ROOTCERT_CITY'}           = $cgiparams{'ROOTCERT_CITY'};
1790         $vpnsettings{'ROOTCERT_STATE'}          = $cgiparams{'ROOTCERT_STATE'};
1791         $vpnsettings{'ROOTCERT_COUNTRY'}        = $cgiparams{'ROOTCERT_COUNTRY'};
1792         &General::writehash("${General::swroot}/ovpn/settings", \%vpnsettings);
1793
1794         # Replace empty strings with a .
1795         (my $ou = $cgiparams{'ROOTCERT_OU'}) =~ s/^\s*$/\./;
1796         (my $city = $cgiparams{'ROOTCERT_CITY'}) =~ s/^\s*$/\./;
1797         (my $state = $cgiparams{'ROOTCERT_STATE'}) =~ s/^\s*$/\./;
1798
1799         # refresh
1800         #system ('/bin/touch', "${General::swroot}/ovpn/gencanow");
1801
1802         # Create the CA certificate
1803         my $pid = open(OPENSSL, "|-");
1804         $SIG{ALRM} = sub { $errormessage = $Lang::tr{'broken pipe'}; goto ROOTCERT_ERROR;};
1805         if ($pid) {     # parent
1806             print OPENSSL "$cgiparams{'ROOTCERT_COUNTRY'}\n";
1807             print OPENSSL "$state\n";
1808             print OPENSSL "$city\n";
1809             print OPENSSL "$cgiparams{'ROOTCERT_ORGANIZATION'}\n";
1810             print OPENSSL "$ou\n";
1811             print OPENSSL "$cgiparams{'ROOTCERT_ORGANIZATION'} CA\n";
1812             print OPENSSL "$cgiparams{'ROOTCERT_EMAIL'}\n";
1813             close (OPENSSL);
1814             if ($?) {
1815                 $errormessage = "$Lang::tr{'openssl produced an error'}: $?";
1816                 unlink ("${General::swroot}/ovpn/ca/cakey.pem");
1817                 unlink ("${General::swroot}/ovpn/ca/cacert.pem");
1818                 goto ROOTCERT_ERROR;
1819             }
1820         } else {        # child
1821             unless (exec ('/usr/bin/openssl', 'req', '-x509', '-nodes',
1822                         '-days', '999999', '-newkey', 'rsa:4096', '-sha512',
1823                         '-keyout', "${General::swroot}/ovpn/ca/cakey.pem",
1824                         '-out', "${General::swroot}/ovpn/ca/cacert.pem",
1825                         '-config',"${General::swroot}/ovpn/openssl/ovpn.cnf")) {
1826                 $errormessage = "$Lang::tr{'cant start openssl'}: $!";
1827                 goto ROOTCERT_ERROR;
1828             }
1829         }
1830
1831         # Create the Host certificate request
1832         $pid = open(OPENSSL, "|-");
1833         $SIG{ALRM} = sub { $errormessage = $Lang::tr{'broken pipe'}; goto ROOTCERT_ERROR;};
1834         if ($pid) {     # parent
1835             print OPENSSL "$cgiparams{'ROOTCERT_COUNTRY'}\n";
1836             print OPENSSL "$state\n";
1837             print OPENSSL "$city\n";
1838             print OPENSSL "$cgiparams{'ROOTCERT_ORGANIZATION'}\n";
1839             print OPENSSL "$ou\n";
1840             print OPENSSL "$cgiparams{'ROOTCERT_HOSTNAME'}\n";
1841             print OPENSSL "$cgiparams{'ROOTCERT_EMAIL'}\n";
1842             print OPENSSL ".\n";
1843             print OPENSSL ".\n";
1844             close (OPENSSL);
1845             if ($?) {
1846                 $errormessage = "$Lang::tr{'openssl produced an error'}: $?";
1847                 unlink ("${General::swroot}/ovpn/certs/serverkey.pem");
1848                 unlink ("${General::swroot}/ovpn/certs/serverreq.pem");
1849                 goto ROOTCERT_ERROR;
1850             }
1851         } else {        # child
1852             unless (exec ('/usr/bin/openssl', 'req', '-nodes',
1853                         '-newkey', 'rsa:4096',
1854                         '-keyout', "${General::swroot}/ovpn/certs/serverkey.pem",
1855                         '-out', "${General::swroot}/ovpn/certs/serverreq.pem",
1856                         '-extensions', 'server',
1857                         '-config', "${General::swroot}/ovpn/openssl/ovpn.cnf" )) {
1858                 $errormessage = "$Lang::tr{'cant start openssl'}: $!";
1859                 unlink ("${General::swroot}/ovpn/certs/serverkey.pem");
1860                 unlink ("${General::swroot}/ovpn/certs/serverreq.pem");
1861                 unlink ("${General::swroot}/ovpn/ca/cakey.pem");
1862                 unlink ("${General::swroot}/ovpn/ca/cacert.pem");
1863                 goto ROOTCERT_ERROR;
1864             }
1865         }
1866
1867         # Sign the host certificate request
1868         # This system call is safe, because all argeuments are passed as an array.
1869         system('/usr/bin/openssl', 'ca', '-days', '999999',
1870                 '-batch', '-notext',
1871                 '-in',  "${General::swroot}/ovpn/certs/serverreq.pem",
1872                 '-out', "${General::swroot}/ovpn/certs/servercert.pem",
1873                 '-extensions', 'server',
1874                 '-config', "${General::swroot}/ovpn/openssl/ovpn.cnf");
1875         if ($?) {
1876             $errormessage = "$Lang::tr{'openssl produced an error'}: $?";
1877             unlink ("${General::swroot}/ovpn/ca/cakey.pem");
1878             unlink ("${General::swroot}/ovpn/ca/cacert.pem");
1879             unlink ("${General::swroot}/ovpn/serverkey.pem");
1880             unlink ("${General::swroot}/ovpn/certs/serverreq.pem");
1881             unlink ("${General::swroot}/ovpn/certs/servercert.pem");
1882             &newcleanssldatabase();
1883             goto ROOTCERT_ERROR;
1884         } else {
1885             unlink ("${General::swroot}/ovpn/certs/serverreq.pem");
1886             &deletebackupcert();
1887         }
1888
1889         # Create an empty CRL
1890         # System call is safe, because all arguments are passed as array.
1891         system('/usr/bin/openssl', 'ca', '-gencrl',
1892                 '-out', "${General::swroot}/ovpn/crls/cacrl.pem",
1893                 '-config', "${General::swroot}/ovpn/openssl/ovpn.cnf" );
1894         if ($?) {
1895             $errormessage = "$Lang::tr{'openssl produced an error'}: $?";
1896             unlink ("${General::swroot}/ovpn/certs/serverkey.pem");
1897             unlink ("${General::swroot}/ovpn/certs/servercert.pem");
1898             unlink ("${General::swroot}/ovpn/ca/cacert.pem");
1899             unlink ("${General::swroot}/ovpn/crls/cacrl.pem");
1900             &cleanssldatabase();
1901             goto ROOTCERT_ERROR;
1902 #       } else {
1903 #           &cleanssldatabase();
1904         }
1905         # Create ta.key for tls-auth
1906         # This system call is safe, because all arguments are passed as an array.
1907         system('/usr/sbin/openvpn', '--genkey', 'secret', "${General::swroot}/ovpn/certs/ta.key");
1908         if ($?) {
1909             $errormessage = "$Lang::tr{'openssl produced an error'}: $?";
1910             &cleanssldatabase();
1911             goto ROOTCERT_ERROR;
1912         }
1913         goto ROOTCERT_SUCCESS;
1914     }
1915     ROOTCERT_ERROR:
1916     if ($cgiparams{'ACTION'} ne '') {
1917         &Header::showhttpheaders();
1918         &Header::openpage($Lang::tr{'ovpn'}, 1, '');
1919         &Header::openbigbox('100%', 'LEFT', '', '');
1920         if ($errormessage) {
1921             &Header::openbox('100%', 'LEFT', $Lang::tr{'error messages'});
1922             print "<class name='base'>$errormessage";
1923             print "&nbsp;</class>";
1924             &Header::closebox();
1925         }
1926         &Header::openbox('100%', 'LEFT', "$Lang::tr{'generate root/host certificates'}:");
1927         print <<END;
1928         <form method='post' enctype='multipart/form-data'>
1929         <table width='100%' border='0' cellspacing='1' cellpadding='0'>
1930         <tr><td width='30%' class='base'>$Lang::tr{'organization name'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
1931             <td width='35%' class='base' nowrap='nowrap'><input type='text' name='ROOTCERT_ORGANIZATION' value='$cgiparams{'ROOTCERT_ORGANIZATION'}' size='32' /></td>
1932             <td width='35%' colspan='2'>&nbsp;</td></tr>
1933         <tr><td class='base'>$Lang::tr{'ipfires hostname'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
1934             <td class='base' nowrap='nowrap'><input type='text' name='ROOTCERT_HOSTNAME' value='$cgiparams{'ROOTCERT_HOSTNAME'}' size='32' /></td>
1935             <td colspan='2'>&nbsp;</td></tr>
1936         <tr><td class='base'>$Lang::tr{'your e-mail'}:</td>
1937             <td class='base' nowrap='nowrap'><input type='text' name='ROOTCERT_EMAIL' value='$cgiparams{'ROOTCERT_EMAIL'}' size='32' /></td>
1938             <td colspan='2'>&nbsp;</td></tr>
1939         <tr><td class='base'>$Lang::tr{'your department'}:</td>
1940             <td class='base' nowrap='nowrap'><input type='text' name='ROOTCERT_OU' value='$cgiparams{'ROOTCERT_OU'}' size='32' /></td>
1941             <td colspan='2'>&nbsp;</td></tr>
1942         <tr><td class='base'>$Lang::tr{'city'}:</td>
1943             <td class='base' nowrap='nowrap'><input type='text' name='ROOTCERT_CITY' value='$cgiparams{'ROOTCERT_CITY'}' size='32' /></td>
1944             <td colspan='2'>&nbsp;</td></tr>
1945         <tr><td class='base'>$Lang::tr{'state or province'}:</td>
1946             <td class='base' nowrap='nowrap'><input type='text' name='ROOTCERT_STATE' value='$cgiparams{'ROOTCERT_STATE'}' size='32' /></td>
1947             <td colspan='2'>&nbsp;</td></tr>
1948         <tr><td class='base'>$Lang::tr{'country'}:</td>
1949             <td class='base'><select name='ROOTCERT_COUNTRY'>
1950
1951 END
1952         ;
1953         foreach my $country (sort keys %{Countries::countries}) {
1954             print "<option value='$Countries::countries{$country}'";
1955             if ( $Countries::countries{$country} eq $cgiparams{'ROOTCERT_COUNTRY'} ) {
1956                 print " selected='selected'";
1957             }
1958             print ">$country</option>";
1959         }
1960         print <<END;
1961             </select></td>
1962
1963         <tr><td>&nbsp;</td>
1964             <td><input type='submit' name='ACTION' value='$Lang::tr{'generate root/host certificates'}' /></td>
1965             <td>&nbsp;</td><td>&nbsp;</td></tr>
1966         <tr><td class='base' colspan='4' align='left'>
1967             <img src='/blob.gif' valign='top' alt='*' />&nbsp;$Lang::tr{'required field'}</td></tr>
1968         <tr><td colspan='2'><br></td></tr>
1969         </table>
1970
1971         <table width='100%'>
1972         <tr><td colspan='4'><hr></td></tr>
1973         <tr><td class='base' nowrap='nowrap'>$Lang::tr{'upload p12 file'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
1974             <td nowrap='nowrap'><input type='file' name='FH' size='32'></td>
1975             <td colspan='2'>&nbsp;</td></tr>
1976         <tr><td class='base'>$Lang::tr{'pkcs12 file password'}:</td>
1977             <td class='base' nowrap='nowrap'><input type='password' name='P12_PASS' value='$cgiparams{'P12_PASS'}' size='32' /></td>
1978             <td colspan='2'>&nbsp;</td></tr>
1979         <tr><td>&nbsp;</td>
1980             <td><input type='submit' name='ACTION' value='$Lang::tr{'upload p12 file'}' /></td>
1981             <td colspan='2'>&nbsp;</td></tr>
1982         <tr><td class='base' colspan='4' align='left'>
1983             <img src='/blob.gif' valign='top' alt='*' >&nbsp;$Lang::tr{'required field'}</td>
1984         </tr>
1985         </form></table>
1986 END
1987         ;
1988         &Header::closebox();
1989         print "<div align='center'><a href='/cgi-bin/ovpnmain.cgi'>$Lang::tr{'back'}</a></div>";
1990         &Header::closebigbox();
1991         &Header::closepage();
1992         exit(0)
1993     }
1994
1995     ROOTCERT_SUCCESS:
1996     &General::system("chmod", "600", "${General::swroot}/ovpn/certs/serverkey.pem");
1997 #    if ($vpnsettings{'ENABLED'} eq 'on' ||
1998 #       $vpnsettings{'ENABLE_BLUE'} eq 'on') {
1999 #       system('/usr/local/bin/ipsecctrl', 'S');
2000 #    }
2001
2002 ###
2003 ### Enable/Disable connection
2004 ###
2005
2006 ###
2007 # m.a.d net2net
2008 ###
2009
2010 }elsif ($cgiparams{'ACTION'} eq $Lang::tr{'toggle enable disable'}) {
2011
2012     &General::readhash("${General::swroot}/ovpn/settings", \%vpnsettings);
2013     &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
2014     my $n2nactive = '';
2015     my @ps = &General::system_output("/bin/ps", "ax");
2016
2017     if(grep(/$confighash{$cgiparams{'KEY'}}[1]/, @ps)) {
2018         $n2nactive = "1";
2019     }
2020
2021     if ($confighash{$cgiparams{'KEY'}}) {
2022                 if ($confighash{$cgiparams{'KEY'}}[0] eq 'off') {
2023                         $confighash{$cgiparams{'KEY'}}[0] = 'on';
2024                         &General::writehasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
2025
2026                         if ($confighash{$cgiparams{'KEY'}}[3] eq 'net'){
2027                                 &General::system("/usr/local/bin/openvpnctrl", "-sn2n", "$confighash{$cgiparams{'KEY'}}[1]");
2028                                 &writecollectdconf();
2029                         }
2030                 } else {
2031
2032                         $confighash{$cgiparams{'KEY'}}[0] = 'off';
2033                         &General::writehasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
2034
2035                         if ($confighash{$cgiparams{'KEY'}}[3] eq 'net'){
2036                                 if ($n2nactive ne '') {
2037                                         &General::system("/usr/local/bin/openvpnctrl", "-kn2n", "$confighash{$cgiparams{'KEY'}}[1]");
2038                                         &writecollectdconf();
2039                                 }
2040                         }
2041                 }
2042   }
2043
2044 ###
2045 ### Download OpenVPN client package
2046 ###
2047
2048
2049 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'dl client arch'}) {
2050     &General::readhash("${General::swroot}/ovpn/settings", \%vpnsettings);
2051     &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
2052     my $file = '';
2053     my $clientovpn = '';
2054     my @fileholder;
2055     my $tempdir = tempdir( CLEANUP => 1 );
2056     my $zippath = "$tempdir/";
2057
2058 ###
2059 # m.a.d net2net
2060 ###
2061
2062 if ($confighash{$cgiparams{'KEY'}}[3] eq 'net'){
2063
2064         my $zipname = "$confighash{$cgiparams{'KEY'}}[1]-Client.zip";
2065         my $zippathname = "$zippath$zipname";
2066         $clientovpn = "$confighash{$cgiparams{'KEY'}}[1].conf";
2067         my @ovsubnettemp =  split(/\./,$confighash{$cgiparams{'KEY'}}[27]);
2068         my $ovsubnet =  "$ovsubnettemp[0].$ovsubnettemp[1].$ovsubnettemp[2]";
2069         my $tunmtu = '';
2070         my @remsubnet = split(/\//,$confighash{$cgiparams{'KEY'}}[8]);
2071         my $n2nfragment = '';
2072
2073     open(CLIENTCONF, ">$tempdir/$clientovpn") or die "Unable to open tempfile: $!";
2074     flock CLIENTCONF, 2;
2075
2076     my $zip = Archive::Zip->new();
2077    print CLIENTCONF "# IPFire n2n Open VPN Client Config by ummeegge und m.a.d\n";
2078    print CLIENTCONF "# \n";
2079    print CLIENTCONF "# User Security\n";
2080    print CLIENTCONF "user nobody\n";
2081    print CLIENTCONF "group nobody\n";
2082    print CLIENTCONF "persist-tun\n";
2083    print CLIENTCONF "persist-key\n";
2084    print CLIENTCONF "script-security 2\n";
2085    print CLIENTCONF "# IP/DNS for remote Server Gateway\n";
2086    print CLIENTCONF "remote $vpnsettings{'VPN_IP'}\n";
2087    print CLIENTCONF "float\n";
2088    print CLIENTCONF "# IP adresses of the VPN Subnet\n";
2089    print CLIENTCONF "ifconfig $ovsubnet.2 $ovsubnet.1\n";
2090    print CLIENTCONF "# Server Gateway Network\n";
2091    print CLIENTCONF "route $remsubnet[0] $remsubnet[1]\n";
2092    print CLIENTCONF "# tun Device\n";
2093    print CLIENTCONF "dev tun\n";
2094    print CLIENTCONF "#Logfile for statistics\n";
2095    print CLIENTCONF "status-version 1\n";
2096    print CLIENTCONF "status /var/run/openvpn/$cgiparams{'NAME'}-n2n 10\n";
2097    print CLIENTCONF "# Port and Protokoll\n";
2098    print CLIENTCONF "port $confighash{$cgiparams{'KEY'}}[29]\n";
2099
2100    if ($confighash{$cgiparams{'KEY'}}[28] eq 'tcp') {
2101    print CLIENTCONF "proto tcp4-client\n";
2102    print CLIENTCONF "# Packet size\n";
2103    if ($confighash{$cgiparams{'KEY'}}[31] eq '') {$tunmtu = '1400'} else {$tunmtu = $confighash{$cgiparams{'KEY'}}[31]};
2104    print CLIENTCONF "tun-mtu $tunmtu\n";
2105    }
2106
2107    if ($confighash{$cgiparams{'KEY'}}[28] eq 'udp') {
2108    print CLIENTCONF "proto udp4\n";
2109    print CLIENTCONF "# Paketsize\n";
2110    if ($confighash{$cgiparams{'KEY'}}[31] eq '') {$tunmtu = '1500'} else {$tunmtu = $confighash{$cgiparams{'KEY'}}[31]};
2111    print CLIENTCONF "tun-mtu $tunmtu\n";
2112    if ($confighash{$cgiparams{'KEY'}}[24] ne '') {print CLIENTCONF "fragment $confighash{$cgiparams{'KEY'}}[24]\n";}
2113    if ($confighash{$cgiparams{'KEY'}}[23] eq 'on') {print CLIENTCONF "mssfix\n";} else { print CLIENTCONF "mssfix 0\n"; }
2114    }
2115    # Check host certificate if X509 is RFC3280 compliant.
2116    # If not, old --ns-cert-type directive will be used.
2117    # If appropriate key usage extension exists, new --remote-cert-tls directive will be used.
2118    my @hostcert = &General::system_output("/usr/bin/openssl", "x509", "-text", "-in", "${General::swroot}/ovpn/certs/servercert.pem");
2119    if (! grep(/TLS Web Server Authentication/, @hostcert)) {
2120                print CLIENTCONF "ns-cert-type server\n";
2121    } else {
2122                print CLIENTCONF "remote-cert-tls server\n";
2123    }
2124    print CLIENTCONF "# Auth. Client\n";
2125    print CLIENTCONF "tls-client\n";
2126    print CLIENTCONF "# Cipher\n";
2127    print CLIENTCONF "cipher $confighash{$cgiparams{'KEY'}}[40]\n";
2128     if ($confighash{$cgiparams{'KEY'}}[4] eq 'cert' && -f "${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1].p12") {
2129          print CLIENTCONF "pkcs12 ${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1].p12\r\n";
2130      $zip->addFile( "${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";
2131    }
2132
2133    # If GCM cipher is used, do not use --auth
2134    if (($confighash{$cgiparams{'KEY'}}[40] eq 'AES-256-GCM') ||
2135        ($confighash{$cgiparams{'KEY'}}[40] eq 'AES-192-GCM') ||
2136        ($confighash{$cgiparams{'KEY'}}[40] eq 'AES-128-GCM')) {
2137         print CLIENTCONF unless "# HMAC algorithm\n";
2138         print CLIENTCONF unless "auth $confighash{$cgiparams{'KEY'}}[39]\n";
2139    } else {
2140         print CLIENTCONF "# HMAC algorithm\n";
2141         print CLIENTCONF "auth $confighash{$cgiparams{'KEY'}}[39]\n";
2142    }
2143
2144    if ($confighash{$cgiparams{'KEY'}}[30] eq 'on') {
2145    print CLIENTCONF "# Enable Compression\n";
2146    print CLIENTCONF "comp-lzo\n";
2147      }
2148    print CLIENTCONF "# Debug Level\n";
2149    print CLIENTCONF "verb 3\n";
2150    print CLIENTCONF "# Tunnel check\n";
2151    print CLIENTCONF "keepalive 10 60\n";
2152    print CLIENTCONF "# Start as daemon\n";
2153    print CLIENTCONF "daemon $confighash{$cgiparams{'KEY'}}[1]n2n\n";
2154    print CLIENTCONF "writepid /var/run/$confighash{$cgiparams{'KEY'}}[1]n2n.pid\n";
2155    print CLIENTCONF "# Activate Management Interface and Port\n";
2156    if ($confighash{$cgiparams{'KEY'}}[22] eq '') {print CLIENTCONF "management localhost $confighash{$cgiparams{'KEY'}}[29]\n"}
2157     else {print CLIENTCONF "management localhost $confighash{$cgiparams{'KEY'}}[22]\n"};
2158    print CLIENTCONF "# remsub $confighash{$cgiparams{'KEY'}}[11]\n";
2159
2160
2161     close(CLIENTCONF);
2162
2163     $zip->addFile( "$tempdir/$clientovpn", $clientovpn) or die "Can't add file $clientovpn\n";
2164     my $status = $zip->writeToFileNamed($zippathname);
2165
2166     open(DLFILE, "<$zippathname") or die "Unable to open $zippathname: $!";
2167     @fileholder = <DLFILE>;
2168     print "Content-Type:application/x-download\n";
2169     print "Content-Disposition:attachment;filename=$zipname\n\n";
2170     print @fileholder;
2171     exit (0);
2172 }
2173 else
2174 {
2175         my $zipname = "$confighash{$cgiparams{'KEY'}}[1]-TO-IPFire.zip";
2176         my $zippathname = "$zippath$zipname";
2177         $clientovpn = "$confighash{$cgiparams{'KEY'}}[1]-TO-IPFire.ovpn";
2178
2179 ###
2180 # m.a.d net2net
2181 ###
2182
2183     open(CLIENTCONF, ">$tempdir/$clientovpn") or die "Unable to open tempfile: $!";
2184     flock CLIENTCONF, 2;
2185
2186     my $zip = Archive::Zip->new();
2187
2188     print CLIENTCONF "#OpenVPN Client conf\r\n";
2189     print CLIENTCONF "tls-client\r\n";
2190     print CLIENTCONF "client\r\n";
2191     print CLIENTCONF "nobind\r\n";
2192     print CLIENTCONF "dev tun\r\n";
2193     print CLIENTCONF "proto $vpnsettings{'DPROTOCOL'}\r\n";
2194     print CLIENTCONF "tun-mtu $vpnsettings{'DMTU'}\r\n";
2195
2196     if ( $vpnsettings{'ENABLED'} eq 'on'){
2197         print CLIENTCONF "remote $vpnsettings{'VPN_IP'} $vpnsettings{'DDEST_PORT'}\r\n";
2198         if ( $vpnsettings{'ENABLED_BLUE'} eq 'on' && (&haveBlueNet())){
2199             print CLIENTCONF "#comment the above line and uncomment the next line, if you want to connect on the Blue interface\r\n";
2200             print CLIENTCONF ";remote $netsettings{'BLUE_ADDRESS'} $vpnsettings{'DDEST_PORT'}\r\n";
2201         }
2202         if ( $vpnsettings{'ENABLED_ORANGE'} eq 'on' && (&haveOrangeNet())){
2203             print CLIENTCONF "#comment the above line and uncomment the next line, if you want to connect on the Orange interface\r\n";
2204             print CLIENTCONF ";remote $netsettings{'ORANGE_ADDRESS'} $vpnsettings{'DDEST_PORT'}\r\n";
2205         }
2206     } elsif ( $vpnsettings{'ENABLED_BLUE'} eq 'on' && (&haveBlueNet())){
2207         print CLIENTCONF "remote $netsettings{'BLUE_ADDRESS'} $vpnsettings{'DDEST_PORT'}\r\n";
2208         if ( $vpnsettings{'ENABLED_ORANGE'} eq 'on' && (&haveOrangeNet())){
2209             print CLIENTCONF "#comment the above line and uncomment the next line, if you want to connect on the Orange interface\r\n";
2210             print CLIENTCONF ";remote $netsettings{'ORANGE_ADDRESS'} $vpnsettings{'DDEST_PORT'}\r\n";
2211         }
2212     } elsif ( $vpnsettings{'ENABLED_ORANGE'} eq 'on' && (&haveOrangeNet())){
2213         print CLIENTCONF "remote $netsettings{'ORANGE_ADDRESS'} $vpnsettings{'DDEST_PORT'}\r\n";
2214     }
2215
2216     my $file_crt = new File::Temp( UNLINK => 1 );
2217     my $file_key = new File::Temp( UNLINK => 1 );
2218     my $include_certs = 0;
2219
2220     if ($confighash{$cgiparams{'KEY'}}[4] eq 'cert' && -f "${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1].p12") {
2221         if ($cgiparams{'MODE'} eq 'insecure') {
2222                 $include_certs = 1;
2223
2224                 # Add the CA
2225                 print CLIENTCONF ";ca cacert.pem\r\n";
2226                 $zip->addFile("${General::swroot}/ovpn/ca/cacert.pem", "cacert.pem")  or die "Can't add file cacert.pem\n";
2227
2228                 # Extract the certificate
2229                 # This system call is safe, because all arguments are passed as an array.
2230                 system('/usr/bin/openssl', 'pkcs12', '-in', "${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1].p12",
2231                         '-clcerts', '-nokeys', '-nodes', '-out', "$file_crt" , '-passin', 'pass:');
2232                 if ($?) {
2233                         die "openssl error: $?";
2234                 }
2235
2236                 $zip->addFile("$file_crt", "$confighash{$cgiparams{'KEY'}}[1].pem") or die;
2237                 print CLIENTCONF ";cert $confighash{$cgiparams{'KEY'}}[1].pem\r\n";
2238
2239                 # Extract the key
2240                 # This system call is safe, because all arguments are passed as an array.
2241                 system('/usr/bin/openssl', 'pkcs12', '-in', "${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1].p12",
2242                         '-nocerts', '-nodes', '-out', "$file_key", '-passin', 'pass:');
2243                 if ($?) {
2244                         die "openssl error: $?";
2245                 }
2246
2247                 $zip->addFile("$file_key", "$confighash{$cgiparams{'KEY'}}[1].key") or die;
2248                 print CLIENTCONF ";key $confighash{$cgiparams{'KEY'}}[1].key\r\n";
2249         } else {
2250                 print CLIENTCONF "pkcs12 $confighash{$cgiparams{'KEY'}}[1].p12\r\n";
2251                 $zip->addFile( "${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";
2252         }
2253     } else {
2254         print CLIENTCONF "ca cacert.pem\r\n";
2255         print CLIENTCONF "cert $confighash{$cgiparams{'KEY'}}[1]cert.pem\r\n";
2256         print CLIENTCONF "key $confighash{$cgiparams{'KEY'}}[1].key\r\n";
2257         $zip->addFile( "${General::swroot}/ovpn/ca/cacert.pem", "cacert.pem")  or die "Can't add file cacert.pem\n";
2258         $zip->addFile( "${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";
2259     }
2260     print CLIENTCONF "cipher $vpnsettings{DCIPHER}\r\n";
2261         print CLIENTCONF "auth $vpnsettings{'DAUTH'}\r\n";
2262
2263     if ($vpnsettings{'TLSAUTH'} eq 'on') {
2264         if ($cgiparams{'MODE'} eq 'insecure') {
2265                 print CLIENTCONF ";";
2266         }
2267         print CLIENTCONF "tls-auth ta.key\r\n";
2268         $zip->addFile( "${General::swroot}/ovpn/certs/ta.key", "ta.key")  or die "Can't add file ta.key\n";
2269     }
2270     if ($vpnsettings{DCOMPLZO} eq 'on') {
2271         print CLIENTCONF "comp-lzo\r\n";
2272     }
2273     print CLIENTCONF "verb 3\r\n";
2274         # Check host certificate if X509 is RFC3280 compliant.
2275         # If not, old --ns-cert-type directive will be used.
2276         # If appropriate key usage extension exists, new --remote-cert-tls directive will be used.
2277         my @hostcert = &General::system_output("/usr/bin/openssl", "x509", "-text", "-in", "${General::swroot}/ovpn/certs/servercert.pem");
2278         if (! grep(/TLS Web Server Authentication/, @hostcert)) {
2279                 print CLIENTCONF "ns-cert-type server\r\n";
2280         } else {
2281                 print CLIENTCONF "remote-cert-tls server\r\n";
2282         }
2283     print CLIENTCONF "verify-x509-name $vpnsettings{ROOTCERT_HOSTNAME} name\r\n";
2284     if ($vpnsettings{MSSFIX} eq 'on') {
2285         print CLIENTCONF "mssfix\r\n";
2286     } else {
2287         print CLIENTCONF "mssfix 0\r\n";
2288     }
2289     if ($vpnsettings{FRAGMENT} ne '' && $vpnsettings{DPROTOCOL} ne 'tcp' ) {
2290         print CLIENTCONF "fragment $vpnsettings{'FRAGMENT'}\r\n";
2291     }
2292
2293     # Disable storing any credentials in memory
2294     print CLIENTCONF "auth-nocache\r\n";
2295
2296     # Set a fake user name for authentication
2297     print CLIENTCONF "auth-token-user USER\r\n";
2298     print CLIENTCONF "auth-token TOTP\r\n";
2299
2300     # If the server is asking for TOTP this needs to happen interactively
2301     print CLIENTCONF "auth-retry interact\r\n";
2302
2303     if ($include_certs) {
2304         print CLIENTCONF "\r\n";
2305
2306         # CA
2307         open(FILE, "<${General::swroot}/ovpn/ca/cacert.pem");
2308         print CLIENTCONF "<ca>\r\n";
2309         while (<FILE>) {
2310                 chomp($_);
2311                 print CLIENTCONF "$_\r\n";
2312         }
2313         print CLIENTCONF "</ca>\r\n\r\n";
2314         close(FILE);
2315
2316         # Cert
2317         open(FILE, "<$file_crt");
2318         print CLIENTCONF "<cert>\r\n";
2319         while (<FILE>) {
2320                 chomp($_);
2321                 print CLIENTCONF "$_\r\n";
2322         }
2323         print CLIENTCONF "</cert>\r\n\r\n";
2324         close(FILE);
2325
2326         # Key
2327         open(FILE, "<$file_key");
2328         print CLIENTCONF "<key>\r\n";
2329         while (<FILE>) {
2330                 chomp($_);
2331                 print CLIENTCONF "$_\r\n";
2332         }
2333         print CLIENTCONF "</key>\r\n\r\n";
2334         close(FILE);
2335
2336         # TLS auth
2337         if ($vpnsettings{'TLSAUTH'} eq 'on') {
2338                 open(FILE, "<${General::swroot}/ovpn/certs/ta.key");
2339                 print CLIENTCONF "<tls-auth>\r\n";
2340                 while (<FILE>) {
2341                         chomp($_);
2342                         print CLIENTCONF "$_\r\n";
2343                 }
2344                 print CLIENTCONF "</tls-auth>\r\n\r\n";
2345                 close(FILE);
2346         }
2347     }
2348
2349     # Print client.conf.local if entries exist to client.ovpn
2350     if (!-z $local_clientconf && $vpnsettings{'ADDITIONAL_CONFIGS'} eq 'on') {
2351        open (LCC, "$local_clientconf");
2352                print CLIENTCONF "\n#---------------------------\n";
2353                print CLIENTCONF "# Start of custom directives\n";
2354                print CLIENTCONF "# from client.conf.local\n";
2355                print CLIENTCONF "#---------------------------\n\n";
2356        while (<LCC>) {
2357                print CLIENTCONF $_;
2358        }
2359                print CLIENTCONF "\n#---------------------------\n";
2360                print CLIENTCONF "# End of custom directives\n";
2361                print CLIENTCONF "#---------------------------\n\n";
2362        close (LCC);
2363     }
2364     close(CLIENTCONF);
2365
2366     $zip->addFile( "$tempdir/$clientovpn", $clientovpn) or die "Can't add file $clientovpn\n";
2367     my $status = $zip->writeToFileNamed($zippathname);
2368
2369     open(DLFILE, "<$zippathname") or die "Unable to open $zippathname: $!";
2370     @fileholder = <DLFILE>;
2371     print "Content-Type:application/x-download\n";
2372     print "Content-Disposition:attachment;filename=$zipname\n\n";
2373     print @fileholder;
2374     exit (0);
2375    }
2376
2377
2378
2379 ###
2380 ### Remove connection
2381 ###
2382
2383
2384 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'remove'}) {
2385         &General::readhash("${General::swroot}/ovpn/settings", \%vpnsettings);
2386         &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
2387
2388         if ($confighash{$cgiparams{'KEY'}}) {
2389                 # Revoke certificate if certificate was deleted and rewrite the CRL
2390                 &General::system("/usr/bin/openssl", "ca", "-revoke", "${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1]cert.pem", "-config", "${General::swroot}/ovpn/openssl/ovpn.cnf");
2391                 &General::system("/usr/bin/openssl", "ca", "-gencrl", "-out", "${General::swroot}/ovpn/crls/cacrl.pem", "-config", "${General::swroot}/ovpn/openssl/ovpn.cnf");
2392
2393 ###
2394 # m.a.d net2net
2395 ###
2396
2397                 if ($confighash{$cgiparams{'KEY'}}[3] eq 'net') {
2398                         # Stop the N2N connection before it is removed
2399                         &General::system("/usr/local/bin/openvpnctrl", "-kn2n", "$confighash{$cgiparams{'KEY'}}[1]");
2400
2401                         my $conffile = glob("${General::swroot}/ovpn/n2nconf/$confighash{$cgiparams{'KEY'}}[1]/$confighash{$cgiparams{'KEY'}}[1].conf");
2402                         my $certfile = glob("${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1].p12");
2403                         unlink ($certfile);
2404                         unlink ($conffile);
2405
2406                         if (-e "${General::swroot}/ovpn/n2nconf/$confighash{$cgiparams{'KEY'}}[1]") {
2407                                 rmdir ("${General::swroot}/ovpn/n2nconf/$confighash{$cgiparams{'KEY'}}[1]") || die "Kann Verzeichnis nicht loeschen: $!";
2408                         }
2409                 }
2410
2411                 unlink ("${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1]cert.pem");
2412                 unlink ("${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1].p12");
2413
2414 # A.Marx CCD delete ccd files and routes
2415
2416                 if (-f "${General::swroot}/ovpn/ccd/$confighash{$cgiparams{'KEY'}}[2]")
2417                 {
2418                         unlink "${General::swroot}/ovpn/ccd/$confighash{$cgiparams{'KEY'}}[2]";
2419                 }
2420
2421                 &General::readhasharray("${General::swroot}/ovpn/ccdroute", \%ccdroutehash);
2422                 foreach my $key (keys %ccdroutehash) {
2423                         if ($ccdroutehash{$key}[0] eq $confighash{$cgiparams{'KEY'}}[1]){
2424                                 delete $ccdroutehash{$key};
2425                         }
2426                 }
2427                 &General::writehasharray("${General::swroot}/ovpn/ccdroute", \%ccdroutehash);
2428
2429                 &General::readhasharray("${General::swroot}/ovpn/ccdroute2", \%ccdroute2hash);
2430                 foreach my $key (keys %ccdroute2hash) {
2431                         if ($ccdroute2hash{$key}[0] eq $confighash{$cgiparams{'KEY'}}[1]){
2432                                 delete $ccdroute2hash{$key};
2433                         }
2434                 }
2435                 &General::writehasharray("${General::swroot}/ovpn/ccdroute2", \%ccdroute2hash);
2436                 &writeserverconf;
2437
2438 # CCD end
2439                 # Update collectd configuration and delete all RRD files of the removed connection
2440                 &writecollectdconf();
2441                 &General::system("/usr/local/bin/openvpnctrl", "-drrd", "$confighash{$cgiparams{'KEY'}}[1]");
2442
2443                 delete $confighash{$cgiparams{'KEY'}};
2444                 &General::system("/usr/bin/openssl", "ca", "-gencrl", "-out", "${General::swroot}/ovpn/crls/cacrl.pem", "-config", "${General::swroot}/ovpn/openssl/ovpn.cnf");
2445                 &General::writehasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
2446
2447         } else {
2448                 $errormessage = $Lang::tr{'invalid key'};
2449         }
2450         &General::firewall_reload();
2451
2452 ###
2453 ### Download PKCS12 file
2454 ###
2455 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'download pkcs12 file'}) {
2456     &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
2457
2458     print "Content-Disposition: filename=" . $confighash{$cgiparams{'KEY'}}[1] . ".p12\r\n";
2459     print "Content-Type: application/octet-stream\r\n\r\n";
2460
2461     open(FILE, "${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1].p12");
2462     my @tmp = <FILE>;
2463     close(FILE);
2464
2465     print @tmp;
2466     exit (0);
2467
2468 ###
2469 ### Display certificate
2470 ###
2471 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'show certificate'}) {
2472     &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
2473
2474     if ( -f "${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1]cert.pem") {
2475         &Header::showhttpheaders();
2476         &Header::openpage($Lang::tr{'ovpn'}, 1, '');
2477         &Header::openbigbox('100%', 'LEFT', '', '');
2478         &Header::openbox('100%', 'LEFT', "$Lang::tr{'certificate'}:");
2479         my @output = &General::system_output("/usr/bin/openssl", "x509", "-text", "-in", "${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1]cert.pem");
2480         my $output = &Header::cleanhtml(join("", @output), "y");
2481         print "<pre>$output</pre>\n";
2482         &Header::closebox();
2483         print "<div align='center'><a href='/cgi-bin/ovpnmain.cgi'>$Lang::tr{'back'}</a></div>";
2484         &Header::closebigbox();
2485         &Header::closepage();
2486         exit(0);
2487     }
2488
2489 ###
2490 ### Display OTP QRCode
2491 ###
2492 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'show otp qrcode'}) {
2493    &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
2494
2495    my $qrcode = Imager::QRCode->new(
2496       size          => 6,
2497       margin        => 0,
2498       version       => 0,
2499       level         => 'M',
2500       mode          => '8-bit',
2501       casesensitive => 1,
2502       lightcolor    => Imager::Color->new(255, 255, 255),
2503       darkcolor     => Imager::Color->new(0, 0, 0),
2504    );
2505    my $cn = uri_encode($confighash{$cgiparams{'KEY'}}[2]);
2506    my $secret = encode_base32(pack('H*', $confighash{$cgiparams{'KEY'}}[44]));
2507    my $issuer = uri_encode("$mainsettings{'HOSTNAME'}.$mainsettings{'DOMAINNAME'}");
2508    my $qrcodeimg = $qrcode->plot("otpauth://totp/$cn?secret=$secret&issuer=$issuer");
2509    my $qrcodeimgdata;
2510    $qrcodeimg->write(data => \$qrcodeimgdata, type=> 'png')
2511       or die $qrcodeimg->errstr;
2512    $qrcodeimgdata = encode_base64($qrcodeimgdata, '');
2513
2514    &Header::showhttpheaders();
2515    &Header::openpage($Lang::tr{'ovpn'}, 1, '');
2516    &Header::openbigbox('100%', 'LEFT', '', '');
2517    &Header::openbox('100%', 'LEFT', "$Lang::tr{'otp qrcode'}:");
2518    print <<END;
2519 $Lang::tr{'secret'}:&nbsp;$secret</br></br>
2520 <img alt="$Lang::tr{'otp qrcode'}" src="data:image/png;base64,$qrcodeimgdata">
2521 END
2522    &Header::closebox();
2523    print "<div align='center'><a href='/cgi-bin/ovpnmain.cgi'>$Lang::tr{'back'}</a></div>";
2524    &Header::closebigbox();
2525    &Header::closepage();
2526    exit(0);
2527
2528 ###
2529 ### Display Diffie-Hellman key
2530 ###
2531 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'show dh'}) {
2532
2533     if (! -e "$dhparameter") {
2534         $errormessage = $Lang::tr{'not present'};
2535         } else {
2536                 &Header::showhttpheaders();
2537                 &Header::openpage($Lang::tr{'ovpn'}, 1, '');
2538                 &Header::openbigbox('100%', 'LEFT', '', '');
2539                 &Header::openbox('100%', 'LEFT', "$Lang::tr{'dh'}:");
2540                 my @output = &General::system_output("/usr/bin/openssl", "dhparam", "-text", "-in", "$dhparameter");
2541                 my $output = &Header::cleanhtml(join("", @output) ,"y");
2542                 print "<pre>$output</pre>\n";
2543                 &Header::closebox();
2544                 print "<div align='center'><a href='/cgi-bin/ovpnmain.cgi'>$Lang::tr{'back'}</a></div>";
2545                 &Header::closebigbox();
2546                 &Header::closepage();
2547                 exit(0);
2548     }
2549
2550 ###
2551 ### Display tls-auth key
2552 ###
2553 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'show tls-auth key'}) {
2554
2555     if (! -e "${General::swroot}/ovpn/certs/ta.key") {
2556         $errormessage = $Lang::tr{'not present'};
2557         } else {
2558                 &Header::showhttpheaders();
2559                 &Header::openpage($Lang::tr{'ovpn'}, 1, '');
2560                 &Header::openbigbox('100%', 'LEFT', '', '');
2561                 &Header::openbox('100%', 'LEFT', "$Lang::tr{'ta key'}:");
2562
2563                 open(FILE, "${General::swroot}/ovpn/certs/ta.key");
2564                 my @output = <FILE>;
2565                 close(FILE);
2566
2567                 my $output = &Header::cleanhtml(join("", @output),"y");
2568                 print "<pre>$output</pre>\n";
2569                 &Header::closebox();
2570                 print "<div align='center'><a href='/cgi-bin/ovpnmain.cgi'>$Lang::tr{'back'}</a></div>";
2571                 &Header::closebigbox();
2572                 &Header::closepage();
2573                 exit(0);
2574     }
2575
2576 ###
2577 ### Display Certificate Revoke List
2578 ###
2579 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'show crl'}) {
2580 #    &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
2581
2582     if (! -e "${General::swroot}/ovpn/crls/cacrl.pem") {
2583         $errormessage = $Lang::tr{'not present'};
2584         } else {
2585         &Header::showhttpheaders();
2586         &Header::openpage($Lang::tr{'ovpn'}, 1, '');
2587         &Header::openbigbox('100%', 'LEFT', '', '');
2588         &Header::openbox('100%', 'LEFT', "$Lang::tr{'crl'}:");
2589         my @output = &General::system_output("/usr/bin/openssl", "crl", "-text", "-noout", "-in", "${General::swroot}/ovpn/crls/cacrl.pem");
2590         my $output = &Header::cleanhtml(join("", @output), "y");
2591         print "<pre>$output</pre>\n";
2592         &Header::closebox();
2593         print "<div align='center'><a href='/cgi-bin/ovpnmain.cgi'>$Lang::tr{'back'}</a></div>";
2594         &Header::closebigbox();
2595         &Header::closepage();
2596         exit(0);
2597     }
2598
2599 ###
2600 ### Advanced Server Settings
2601 ###
2602
2603 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'advanced server'}) {
2604     %cgiparams = ();
2605     %cahash = ();
2606     %confighash = ();
2607     my $disabled;
2608     &General::readhash("${General::swroot}/ovpn/settings", \%cgiparams);
2609     read_routepushfile;
2610
2611
2612 #    if ($cgiparams{'CLIENT2CLIENT'} eq '') {
2613 #       $cgiparams{'CLIENT2CLIENT'} =  'on';
2614 #    }
2615 ADV_ERROR:
2616     if ($cgiparams{'MAX_CLIENTS'} eq '') {
2617                 $cgiparams{'MAX_CLIENTS'} =  '100';
2618     }
2619     if ($cgiparams{'KEEPALIVE_1'} eq '') {
2620                 $cgiparams{'KEEPALIVE_1'} =  '10';
2621     }
2622     if ($cgiparams{'KEEPALIVE_2'} eq '') {
2623                 $cgiparams{'KEEPALIVE_2'} =  '60';
2624     }
2625     if ($cgiparams{'LOG_VERB'} eq '') {
2626                 $cgiparams{'LOG_VERB'} =  '3';
2627     }
2628     if ($cgiparams{'TLSAUTH'} eq '') {
2629                 $cgiparams{'TLSAUTH'} = 'off';
2630     }
2631     $checked{'CLIENT2CLIENT'}{'off'} = '';
2632     $checked{'CLIENT2CLIENT'}{'on'} = '';
2633     $checked{'CLIENT2CLIENT'}{$cgiparams{'CLIENT2CLIENT'}} = 'CHECKED';
2634     $checked{'REDIRECT_GW_DEF1'}{'off'} = '';
2635     $checked{'REDIRECT_GW_DEF1'}{'on'} = '';
2636     $checked{'REDIRECT_GW_DEF1'}{$cgiparams{'REDIRECT_GW_DEF1'}} = 'CHECKED';
2637     $checked{'DCOMPLZO'}{'off'} = '';
2638     $checked{'DCOMPLZO'}{'on'} = '';
2639     $checked{'DCOMPLZO'}{$cgiparams{'DCOMPLZO'}} = 'CHECKED';
2640     $checked{'ADDITIONAL_CONFIGS'}{'off'} = '';
2641     $checked{'ADDITIONAL_CONFIGS'}{'on'} = '';
2642     $checked{'ADDITIONAL_CONFIGS'}{$cgiparams{'ADDITIONAL_CONFIGS'}} = 'CHECKED';
2643     $checked{'MSSFIX'}{'off'} = '';
2644     $checked{'MSSFIX'}{'on'} = '';
2645     $checked{'MSSFIX'}{$cgiparams{'MSSFIX'}} = 'CHECKED';
2646     $selected{'LOG_VERB'}{'0'} = '';
2647     $selected{'LOG_VERB'}{'1'} = '';
2648     $selected{'LOG_VERB'}{'2'} = '';
2649     $selected{'LOG_VERB'}{'3'} = '';
2650     $selected{'LOG_VERB'}{'4'} = '';
2651     $selected{'LOG_VERB'}{'5'} = '';
2652     $selected{'LOG_VERB'}{'6'} = '';
2653     $selected{'LOG_VERB'}{'7'} = '';
2654     $selected{'LOG_VERB'}{'8'} = '';
2655     $selected{'LOG_VERB'}{'9'} = '';
2656     $selected{'LOG_VERB'}{'10'} = '';
2657     $selected{'LOG_VERB'}{'11'} = '';
2658     $selected{'LOG_VERB'}{$cgiparams{'LOG_VERB'}} = 'SELECTED';
2659
2660     &Header::showhttpheaders();
2661     &Header::openpage($Lang::tr{'status ovpn'}, 1, '');
2662     &Header::openbigbox('100%', 'LEFT', '', $errormessage);
2663     if ($errormessage) {
2664         &Header::openbox('100%', 'LEFT', $Lang::tr{'error messages'});
2665         print "<class name='base'>$errormessage\n";
2666         print "&nbsp;</class>\n";
2667         &Header::closebox();
2668     }
2669     &Header::openbox('100%', 'LEFT', $Lang::tr{'advanced server'});
2670     print <<END;
2671     <form method='post' enctype='multipart/form-data'>
2672 <table width='100%' border=0>
2673         <tr>
2674                 <td colspan='4'><b>$Lang::tr{'dhcp-options'}</b></td>
2675     </tr>
2676     <tr>
2677                 <td width='25%'></td> <td width='20%'> </td><td width='25%'> </td><td width='30%'></td>
2678     </tr>
2679     <tr>
2680                 <td class='base'>Domain</td>
2681         <td><input type='TEXT' name='DHCP_DOMAIN' value='$cgiparams{'DHCP_DOMAIN'}' size='30'  /></td>
2682     </tr>
2683     <tr>
2684                 <td class='base'>DNS</td>
2685                 <td><input type='TEXT' name='DHCP_DNS' value='$cgiparams{'DHCP_DNS'}' size='30' /></td>
2686     </tr>
2687     <tr>
2688                 <td class='base'>WINS</td>
2689                 <td><input type='TEXT' name='DHCP_WINS' value='$cgiparams{'DHCP_WINS'}' size='30' /></td>
2690         </tr>
2691     <tr>
2692                 <td colspan='4'><b>$Lang::tr{'ovpn routes push options'}</b></td>
2693     </tr>
2694     <tr>
2695                 <td class='base'>$Lang::tr{'ovpn routes push'}</td>
2696                 <td colspan='2'>
2697                 <textarea name='ROUTES_PUSH' cols='26' rows='6' wrap='off'>
2698 END
2699 ;
2700
2701 if ($cgiparams{'ROUTES_PUSH'} ne '')
2702 {
2703         print $cgiparams{'ROUTES_PUSH'};
2704 }
2705
2706 print <<END;
2707 </textarea></td>
2708 </tr>
2709     </tr>
2710 </table>
2711 <hr size='1'>
2712 <table width='100%'>
2713         <tr>
2714                 <td class='base'><b>$Lang::tr{'misc-options'}</b></td>
2715         </tr>
2716
2717         <tr>
2718                 <td width='20%'></td> <td width='15%'> </td><td width='35%'> </td><td width='20%'></td><td width='35%'></td>
2719         </tr>
2720
2721         <tr>
2722                 <td class='base'>Client-To-Client</td>
2723                 <td><input type='checkbox' name='CLIENT2CLIENT' $checked{'CLIENT2CLIENT'}{'on'} /></td>
2724         </tr>
2725
2726         <tr>
2727                 <td class='base'>Redirect-Gateway def1</td>
2728                 <td><input type='checkbox' name='REDIRECT_GW_DEF1' $checked{'REDIRECT_GW_DEF1'}{'on'} /></td>
2729         </tr>
2730
2731     <tr><td class='boldbase' nowrap='nowrap'>$Lang::tr{'comp-lzo'}</td>
2732         <td><input type='checkbox' name='DCOMPLZO' $checked{'DCOMPLZO'}{'on'} /></td>
2733         <td>$Lang::tr{'openvpn default'}: off <font color='red'>($Lang::tr{'attention'} exploitable via Voracle)</font></td>
2734     </tr>
2735
2736         <tr>
2737                 <td class='base'>$Lang::tr{'ovpn add conf'}</td>
2738                 <td><input type='checkbox' name='ADDITIONAL_CONFIGS' $checked{'ADDITIONAL_CONFIGS'}{'on'} /></td>
2739                 <td>$Lang::tr{'openvpn default'}: off</td>
2740         </tr>
2741
2742         <tr>
2743                 <td class='base'>mssfix</td>
2744                 <td><input type='checkbox' name='MSSFIX' $checked{'MSSFIX'}{'on'} /></td>
2745                 <td>$Lang::tr{'openvpn default'}: off</td>
2746         </tr>
2747
2748         <tr>
2749                 <td class='base'>fragment <br></td>
2750                 <td><input type='TEXT' name='FRAGMENT' value='$cgiparams{'FRAGMENT'}' size='10' /></td>
2751         </tr>
2752
2753
2754         <tr>
2755                 <td class='base'>Max-Clients</td>
2756                 <td><input type='text' name='MAX_CLIENTS' value='$cgiparams{'MAX_CLIENTS'}' size='10' /></td>
2757         </tr>
2758         <tr>
2759                 <td class='base'>Keepalive <br />
2760                 (ping/ping-restart)</td>
2761                 <td><input type='TEXT' name='KEEPALIVE_1' value='$cgiparams{'KEEPALIVE_1'}' size='10' /></td>
2762                 <td><input type='TEXT' name='KEEPALIVE_2' value='$cgiparams{'KEEPALIVE_2'}' size='10' /></td>
2763         </tr>
2764 </table>
2765
2766 <hr size='1'>
2767 <table width='100%'>
2768     <tr>
2769         <td class='base'><b>$Lang::tr{'log-options'}</b></td>
2770     </tr>
2771     <tr>
2772         <td width='20%'></td> <td width='30%'> </td><td width='25%'> </td><td width='25%'></td>
2773     </tr>
2774
2775     <tr><td class='base'>VERB</td>
2776         <td><select name='LOG_VERB'>
2777                         <option value='0'  $selected{'LOG_VERB'}{'0'}>0</option>
2778                         <option value='1'  $selected{'LOG_VERB'}{'1'}>1</option>
2779                         <option value='2'  $selected{'LOG_VERB'}{'2'}>2</option>
2780                         <option value='3'  $selected{'LOG_VERB'}{'3'}>3</option>
2781                         <option value='4'  $selected{'LOG_VERB'}{'4'}>4</option>
2782                         <option value='5'  $selected{'LOG_VERB'}{'5'}>5</option>
2783                         <option value='6'  $selected{'LOG_VERB'}{'6'}>6</option>
2784                         <option value='7'  $selected{'LOG_VERB'}{'7'}>7</option>
2785                         <option value='8'  $selected{'LOG_VERB'}{'8'}>8</option>
2786                         <option value='9'  $selected{'LOG_VERB'}{'9'}>9</option>
2787                         <option value='10' $selected{'LOG_VERB'}{'10'}>10</option>
2788                         <option value='11' $selected{'LOG_VERB'}{'11'}>11</option>
2789         </td></select>
2790     </table>
2791
2792 <hr size='1'>
2793 END
2794
2795 if ( -e "/var/run/openvpn.pid"){
2796 print"  <br><b><font color='#990000'>$Lang::tr{'attention'}:</b></font><br>
2797                 $Lang::tr{'server restart'}<br><br>
2798                 <hr>";
2799         print<<END;
2800 <table width='100%'>
2801 <tr>
2802     <td>&nbsp;</td>
2803     <td allign='center'><input type='submit' name='ACTION' value='$Lang::tr{'save-adv-options'}' disabled='disabled' /></td>
2804     <td allign='center'><input type='submit' name='ACTION' value='$Lang::tr{'cancel-adv-options'}' /></td>
2805     <td>&nbsp;</td>
2806 </tr>
2807 </table>
2808 </form>
2809 END
2810 ;
2811
2812
2813 }else{
2814
2815         print<<END;
2816 <table width='100%'>
2817 <tr>
2818     <td>&nbsp;</td>
2819     <td allign='center'><input type='submit' name='ACTION' value='$Lang::tr{'save-adv-options'}' /></td>
2820     <td allign='center'><input type='submit' name='ACTION' value='$Lang::tr{'cancel-adv-options'}' /></td>
2821     <td>&nbsp;</td>
2822 </tr>
2823 </table>
2824 </form>
2825 END
2826 ;
2827 }
2828     &Header::closebox();
2829 #    print "<div align='center'><a href='/cgi-bin/ovpnmain.cgi'>$Lang::tr{'back'}</a></div>";
2830     &Header::closebigbox();
2831     &Header::closepage();
2832     exit(0);
2833
2834
2835 # A.Marx CCD   Add,delete or edit CCD net
2836
2837 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'ccd net'} ||
2838                 $cgiparams{'ACTION'} eq $Lang::tr{'ccd add'} ||
2839                 $cgiparams{'ACTION'} eq "kill" ||
2840                 $cgiparams{'ACTION'} eq "edit" ||
2841                 $cgiparams{'ACTION'} eq 'editsave'){
2842         &Header::showhttpheaders();
2843         &Header::openpage($Lang::tr{'ccd net'}, 1, '');
2844         &Header::openbigbox('100%', 'LEFT', '', '');
2845
2846         if ($cgiparams{'ACTION'} eq "kill"){
2847                 &delccdnet($cgiparams{'net'});
2848         }
2849
2850         if ($cgiparams{'ACTION'} eq 'editsave'){
2851                 my ($a,$b) =split (/\|/,$cgiparams{'ccdname'});
2852                 if ( $a ne $b){ &modccdnet($a,$b);}
2853                 $cgiparams{'ccdname'}='';
2854                 $cgiparams{'ccdsubnet'}='';
2855         }
2856
2857         if ($cgiparams{'ACTION'} eq $Lang::tr{'ccd add'}) {
2858                 &addccdnet($cgiparams{'ccdname'},$cgiparams{'ccdsubnet'});
2859         }
2860         if ($errormessage) {
2861             &Header::openbox('100%', 'LEFT', $Lang::tr{