html/cgi-bin/ovpnmain.cgi

   1 #!/usr/bin/perl
   2 ###############################################################################
   3 #                                                                             #
   4 # IPFire.org - A linux based firewall                                         #
   5 # Copyright (C) 2007-2014  IPFire Team  <info@ipfire.org>                     #
   6 #                                                                             #
   7 # This program is free software: you can redistribute it and/or modify        #
   8 # it under the terms of the GNU General Public License as published by        #
   9 # the Free Software Foundation, either version 3 of the License, or           #
  10 # (at your option) any later version.                                         #
  11 #                                                                             #
  12 # This program is distributed in the hope that it will be useful,             #
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of              #
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
  15 # GNU General Public License for more details.                                #
  16 #                                                                             #
  17 # You should have received a copy of the GNU General Public License           #
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
  19 #                                                                             #
  20 ###############################################################################
  21 ###
  22 # Based on IPFireCore 77
  23 ###
  24 use CGI;
  25 use CGI qw/:standard/;
  26 use Net::DNS;
  27 use Net::Ping;
  28 use Net::Telnet;
  29 use File::Copy;
  30 use File::Temp qw/ tempfile tempdir /;
  31 use strict;
  32 use Archive::Zip qw(:ERROR_CODES :CONSTANTS);
  33 use Sort::Naturally;
  34 require '/var/ipfire/general-functions.pl';
  35 require "${General::swroot}/lang.pl";
  36 require "${General::swroot}/header.pl";
  37 require "${General::swroot}/countries.pl";
  38
  39 # enable only the following on debugging purpose
  40 #use warnings;
  41 #use CGI::Carp 'fatalsToBrowser';
  42 #workaround to suppress a warning when a variable is used only once
  43 my @dummy = ( ${Header::colourgreen}, ${Header::colourblue} );
  44 undef (@dummy);
  45
  46 my %color = ();
  47 my %mainsettings = ();
  48 &General::readhash("${General::swroot}/main/settings", \%mainsettings);
  49 &General::readhash("/srv/web/ipfire/html/themes/".$mainsettings{'THEME'}."/include/colors.txt", \%color);
  50
  51 ###
  52 ### Initialize variables
  53 ###
  54 my %ccdconfhash=();
  55 my %ccdroutehash=();
  56 my %ccdroute2hash=();
  57 my %netsettings=();
  58 my %cgiparams=();
  59 my %vpnsettings=();
  60 my %checked=();
  61 my %confighash=();
  62 my %cahash=();
  63 my %selected=();
  64 my $warnmessage = '';
  65 my $errormessage = '';
  66 my %settings=();
  67 my $routes_push_file = '';
  68 my $confighost="${General::swroot}/fwhosts/customhosts";
  69 my $configgrp="${General::swroot}/fwhosts/customgroups";
  70 my $customnet="${General::swroot}/fwhosts/customnetworks";
  71 my $name;
  72 my $col="";
  73 &General::readhash("${General::swroot}/ethernet/settings", \%netsettings);
  74 $cgiparams{'ENABLED'} = 'off';
  75 $cgiparams{'ENABLED_BLUE'} = 'off';
  76 $cgiparams{'ENABLED_ORANGE'} = 'off';
  77 $cgiparams{'EDIT_ADVANCED'} = 'off';
  78 $cgiparams{'NAT'} = 'off';
  79 $cgiparams{'COMPRESSION'} = 'off';
  80 $cgiparams{'ONLY_PROPOSED'} = 'off';
  81 $cgiparams{'ACTION'} = '';
  82 $cgiparams{'CA_NAME'} = '';
  83 $cgiparams{'DH_NAME'} = 'dh1024.pem';
  84 $cgiparams{'DHLENGHT'} = '';
  85 $cgiparams{'DHCP_DOMAIN'} = '';
  86 $cgiparams{'DHCP_DNS'} = '';
  87 $cgiparams{'DHCP_WINS'} = '';
  88 $cgiparams{'ROUTES_PUSH'} = '';
  89 $cgiparams{'DCOMPLZO'} = 'off';
  90 $cgiparams{'MSSFIX'} = '';
  91 $cgiparams{'number'} = '';
  92 $cgiparams{'PMTU_DISCOVERY'} = '';
  93 $cgiparams{'DCIPHER'} = '';
  94 $cgiparams{'DAUTH'} = '';
  95 $cgiparams{'TLSAUTH'} = '';
  96 $cgiparams{'ENGINES'} = '';
  97 $routes_push_file = "${General::swroot}/ovpn/routes_push";
  98 unless (-e $routes_push_file)    { system("touch $routes_push_file"); }
  99 unless (-e "${General::swroot}/ovpn/ccd.conf")    { system("touch ${General::swroot}/ovpn/ccd.conf"); }
 100 unless (-e "${General::swroot}/ovpn/ccdroute")    { system("touch ${General::swroot}/ovpn/ccdroute"); }
 101 unless (-e "${General::swroot}/ovpn/ccdroute2")    { system("touch ${General::swroot}/ovpn/ccdroute2"); }
 102
 103 &Header::getcgihash(\%cgiparams, {'wantfile' => 1, 'filevar' => 'FH'});
 104
 105 # prepare openvpn config file
 106 ###
 107 ### Useful functions
 108 ###
 109 sub haveOrangeNet
 110 {
 111         if ($netsettings{'CONFIG_TYPE'} == 2) {return 1;}
 112         if ($netsettings{'CONFIG_TYPE'} == 4) {return 1;}
 113         return 0;
 114 }
 115
 116 sub haveBlueNet
 117 {
 118         if ($netsettings{'CONFIG_TYPE'} == 3) {return 1;}
 119         if ($netsettings{'CONFIG_TYPE'} == 4) {return 1;}
 120         return 0;
 121 }
 122
 123 sub sizeformat{
 124     my $bytesize = shift;
 125     my $i = 0;
 126
 127     while(abs($bytesize) >= 1024){
 128         $bytesize=$bytesize/1024;
 129         $i++;
 130         last if($i==6);
 131     }
 132
 133     my @units = ("Bytes","KB","MB","GB","TB","PB","EB");
 134     my $newsize=(int($bytesize*100 +0.5))/100;
 135     return("$newsize $units[$i]");
 136 }
 137
 138 sub cleanssldatabase
 139 {
 140     if (open(FILE, ">${General::swroot}/ovpn/certs/serial")) {
 141         print FILE "01";
 142         close FILE;
 143     }
 144     if (open(FILE, ">${General::swroot}/ovpn/certs/index.txt")) {
 145         print FILE "";
 146         close FILE;
 147     }
 148     unlink ("${General::swroot}/ovpn/certs/index.txt.old");
 149     unlink ("${General::swroot}/ovpn/certs/serial.old");
 150     unlink ("${General::swroot}/ovpn/certs/01.pem");
 151 }
 152
 153 sub newcleanssldatabase
 154 {
 155     if (! -s "${General::swroot}/ovpn/certs/serial" )  {
 156         open(FILE, ">${General::swroot}(ovpn/certs/serial");
 157         print FILE "01";
 158         close FILE;
 159     }
 160     if (! -s ">${General::swroot}/ovpn/certs/index.txt") {
 161         system ("touch ${General::swroot}/ovpn/certs/index.txt");
 162     }
 163     unlink ("${General::swroot}/ovpn/certs/index.txt.old");
 164     unlink ("${General::swroot}/ovpn/certs/serial.old");
 165 }
 166
 167 sub deletebackupcert
 168 {
 169         if (open(FILE, "${General::swroot}/ovpn/certs/serial.old")) {
 170                 my $hexvalue = <FILE>;
 171                 chomp $hexvalue;
 172                 close FILE;
 173                 unlink ("${General::swroot}/ovpn/certs/$hexvalue.pem");
 174         }
 175 }
 176 sub checkportfw {
 177         my $DPORT = shift;
 178         my $DPROT = shift;
 179         my %natconfig =();
 180         my $confignat = "${General::swroot}/firewall/config";
 181         $DPROT= uc ($DPROT);
 182         &General::readhasharray($confignat, \%natconfig);
 183         foreach my $key (sort keys %natconfig){
 184                 my @portarray = split (/\|/,$natconfig{$key}[30]);
 185                 foreach my $value (@portarray){
 186                         if ($value =~ /:/i){
 187                                 my ($a,$b) = split (":",$value);
 188                                 if ($DPROT eq $natconfig{$key}[12] && $DPORT gt $a && $DPORT lt $b){
 189                                         $errormessage= "$Lang::tr{'source port in use'} $DPORT";
 190                                 }
 191                         }else{
 192                                 if ($DPROT eq $natconfig{$key}[12] && $DPORT eq $value){
 193                                         $errormessage= "$Lang::tr{'source port in use'} $DPORT";
 194                                 }
 195                         }
 196                 }
 197         }
 198         return;
 199 }
 200
 201 sub checkportoverlap
 202 {
 203         my $portrange1 = $_[0]; # New port range
 204         my $portrange2 = $_[1]; # existing port range
 205         my @tempr1 = split(/\:/,$portrange1);
 206         my @tempr2 = split(/\:/,$portrange2);
 207
 208         unless (&checkportinc($tempr1[0], $portrange2)){ return 0;}
 209         unless (&checkportinc($tempr1[1], $portrange2)){ return 0;}
 210
 211         unless (&checkportinc($tempr2[0], $portrange1)){ return 0;}
 212         unless (&checkportinc($tempr2[1], $portrange1)){ return 0;}
 213
 214         return 1; # Everything checks out!
 215 }
 216
 217 # Darren Critchley - we want to make sure that a port entry is not within an already existing range
 218 sub checkportinc
 219 {
 220         my $port1 = $_[0]; # Port
 221         my $portrange2 = $_[1]; # Port range
 222         my @tempr1 = split(/\:/,$portrange2);
 223
 224         if ($port1 < $tempr1[0] || $port1 > $tempr1[1]) {
 225                 return 1;
 226         } else {
 227                 return 0;
 228         }
 229 }
 230
 231 sub writeserverconf {
 232     my %sovpnsettings = ();
 233     my @temp = ();
 234     &General::readhash("${General::swroot}/ovpn/settings", \%sovpnsettings);
 235     &read_routepushfile;
 236
 237     open(CONF,    ">${General::swroot}/ovpn/server.conf") or die "Unable to open ${General::swroot}/ovpn/server.conf: $!";
 238     flock CONF, 2;
 239     print CONF "#OpenVPN Server conf\n";
 240     print CONF "\n";
 241     print CONF "daemon openvpnserver\n";
 242     print CONF "writepid /var/run/openvpn.pid\n";
 243     print CONF "#DAN prepare OpenVPN for listening on blue and orange\n";
 244     print CONF ";local $sovpnsettings{'VPN_IP'}\n";
 245     print CONF "dev $sovpnsettings{'DDEVICE'}\n";
 246     print CONF "proto $sovpnsettings{'DPROTOCOL'}\n";
 247     print CONF "port $sovpnsettings{'DDEST_PORT'}\n";
 248     print CONF "script-security 3 system\n";
 249     print CONF "ifconfig-pool-persist /var/ipfire/ovpn/ovpn-leases.db 3600\n";
 250     print CONF "client-config-dir /var/ipfire/ovpn/ccd\n";
 251     print CONF "tls-server\n";
 252     print CONF "ca ${General::swroot}/ovpn/ca/cacert.pem\n";
 253     print CONF "cert ${General::swroot}/ovpn/certs/servercert.pem\n";
 254     print CONF "key ${General::swroot}/ovpn/certs/serverkey.pem\n";
 255     print CONF "dh ${General::swroot}/ovpn/ca/$cgiparams{'DH_NAME'}\n";
 256     my @tempovpnsubnet = split("\/",$sovpnsettings{'DOVPN_SUBNET'});
 257     print CONF "server $tempovpnsubnet[0] $tempovpnsubnet[1]\n";
 258     #print CONF "push \"route $netsettings{'GREEN_NETADDRESS'} $netsettings{'GREEN_NETMASK'}\"\n";
 259
 260     # Check if we are using mssfix, fragment or mtu-disc and set the corretct mtu of 1500.
 261     # If we doesn't use one of them, we can use the configured mtu value.
 262     if ($sovpnsettings{'MSSFIX'} eq 'on')
 263         { print CONF "$sovpnsettings{'DDEVICE'}-mtu 1500\n"; }
 264     elsif ($sovpnsettings{'FRAGMENT'} ne '' && $sovpnsettings{'DPROTOCOL'} ne 'tcp')
 265         { print CONF "$sovpnsettings{'DDEVICE'}-mtu 1500\n"; }
 266     elsif (($sovpnsettings{'PMTU_DISCOVERY'} eq 'yes') ||
 267            ($sovpnsettings{'PMTU_DISCOVERY'} eq 'maybe') ||
 268            ($sovpnsettings{'PMTU_DISCOVERY'} eq 'no' ))
 269         { print CONF "$sovpnsettings{'DDEVICE'}-mtu 1500\n"; }
 270     else
 271         { print CONF "$sovpnsettings{'DDEVICE'}-mtu $sovpnsettings{'DMTU'}\n"; }
 272
 273     if ($vpnsettings{'ROUTES_PUSH'} ne '') {
 274                 @temp = split(/\n/,$vpnsettings{'ROUTES_PUSH'});
 275                 foreach (@temp)
 276                 {
 277                         @tempovpnsubnet = split("\/",&General::ipcidr2msk($_));
 278                         print CONF "push \"route " . $tempovpnsubnet[0]. " " .  $tempovpnsubnet[1] . "\"\n";
 279                 }
 280         }
 281 # a.marx ccd
 282         my %ccdconfhash=();
 283         &General::readhasharray("${General::swroot}/ovpn/ccd.conf", \%ccdconfhash);
 284         foreach my $key (keys %ccdconfhash) {
 285                 my $a=$ccdconfhash{$key}[1];
 286                 my ($b,$c) = split (/\//, $a);
 287                 print CONF "route $b ".&General::cidrtosub($c)."\n";
 288         }
 289         my %ccdroutehash=();
 290         &General::readhasharray("${General::swroot}/ovpn/ccdroute", \%ccdroutehash);
 291         foreach my $key (keys %ccdroutehash) {
 292                 foreach my $i ( 1 .. $#{$ccdroutehash{$key}}){
 293                         my ($a,$b)=split (/\//,$ccdroutehash{$key}[$i]);
 294                         print CONF "route $a $b\n";
 295                 }
 296         }
 297 # ccd end
 298
 299         if ($sovpnsettings{CLIENT2CLIENT} eq 'on') {
 300         print CONF "client-to-client\n";
 301     }
 302     if ($sovpnsettings{MSSFIX} eq 'on') {
 303         print CONF "mssfix\n";
 304     }
 305     if ($sovpnsettings{FRAGMENT} ne '' && $sovpnsettings{'DPROTOCOL'} ne 'tcp') {
 306         print CONF "fragment $sovpnsettings{'FRAGMENT'}\n";
 307     }
 308
 309     # Check if a valid operating mode has been choosen and use it.
 310     if (($sovpnsettings{'PMTU_DISCOVERY'} eq 'yes') ||
 311         ($sovpnsettings{'PMTU_DISCOVERY'} eq 'maybe') ||
 312         ($sovpnsettings{'PMTU_DISCOVERY'} eq 'no' )) {
 313                 print CONF "mtu-disc $sovpnsettings{'PMTU_DISCOVERY'}\n";
 314     }
 315
 316     if ($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/log/ovpnserver.log 30\n";
 321     print CONF "cipher $sovpnsettings{DCIPHER}\n";
 322     if ($sovpnsettings{'DAUTH'} eq '') {
 323         print CONF "";
 324     } else {
 325         print CONF "auth $sovpnsettings{'DAUTH'}\n";
 326     }
 327     if ($sovpnsettings{'TLSAUTH'} eq 'on') {
 328         print CONF "tls-auth ${General::swroot}/ovpn/ca/ta.key 0\n";
 329     }
 330     if ($sovpnsettings{ENGINES} eq 'disabled') {
 331         print CONF "";
 332     } else {
 333         print CONF "engine $sovpnsettings{ENGINES}\n";
 334     }
 335     if ($sovpnsettings{DCOMPLZO} eq 'on') {
 336         print CONF "comp-lzo\n";
 337     }
 338     if ($sovpnsettings{REDIRECT_GW_DEF1} eq 'on') {
 339         print CONF "push \"redirect-gateway def1\"\n";
 340     }
 341     if ($sovpnsettings{DHCP_DOMAIN} ne '') {
 342         print CONF "push \"dhcp-option DOMAIN $sovpnsettings{DHCP_DOMAIN}\"\n";
 343     }
 344
 345     if ($sovpnsettings{DHCP_DNS} ne '') {
 346         print CONF "push \"dhcp-option DNS $sovpnsettings{DHCP_DNS}\"\n";
 347     }
 348
 349     if ($sovpnsettings{DHCP_WINS} ne '') {
 350         print CONF "push \"dhcp-option WINS $sovpnsettings{DHCP_WINS}\"\n";
 351     }
 352
 353     if ($sovpnsettings{DHCP_WINS} eq '') {
 354         print CONF "max-clients 100\n";
 355     }
 356     if ($sovpnsettings{DHCP_WINS} ne '') {
 357         print CONF "max-clients $sovpnsettings{MAX_CLIENTS}\n";
 358     }
 359     print CONF "tls-verify /usr/lib/openvpn/verify\n";
 360     print CONF "crl-verify /var/ipfire/ovpn/crls/cacrl.pem\n";
 361     print CONF "user nobody\n";
 362     print CONF "group nobody\n";
 363     print CONF "persist-key\n";
 364     print CONF "persist-tun\n";
 365         if ($sovpnsettings{LOG_VERB} ne '') {
 366                 print CONF "verb $sovpnsettings{LOG_VERB}\n";
 367         } else {
 368                 print CONF "verb 3\n";
 369         }
 370     print CONF "\n";
 371
 372     close(CONF);
 373 }
 374
 375 sub emptyserverlog{
 376     if (open(FILE, ">/var/log/ovpnserver.log")) {
 377         flock FILE, 2;
 378         print FILE "";
 379         close FILE;
 380     }
 381
 382 }
 383
 384 sub delccdnet
 385 {
 386         my %ccdconfhash = ();
 387         my %ccdhash = ();
 388         my $ccdnetname=$_[0];
 389         if (-f "${General::swroot}/ovpn/ovpnconfig"){
 390                 &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%ccdhash);
 391                 foreach my $key (keys %ccdhash) {
 392                         if ($ccdhash{$key}[32] eq $ccdnetname) {
 393                                 $errormessage=$Lang::tr{'ccd err hostinnet'};
 394                                 return;
 395                         }
 396                 }
 397         }
 398         &General::readhasharray("${General::swroot}/ovpn/ccd.conf", \%ccdconfhash);
 399         foreach my $key (keys %ccdconfhash) {
 400                         if ($ccdconfhash{$key}[0] eq $ccdnetname){
 401                                 delete $ccdconfhash{$key};
 402                         }
 403         }
 404         &General::writehasharray("${General::swroot}/ovpn/ccd.conf", \%ccdconfhash);
 405
 406         &writeserverconf;
 407         return 0;
 408 }
 409
 410 sub addccdnet
 411 {
 412         my %ccdconfhash=();
 413         my @ccdconf=();
 414         my $ccdname=$_[0];
 415         my $ccdnet=$_[1];
 416         my $subcidr;
 417         my @ip2=();
 418         my $checkup;
 419         my $ccdip;
 420         my $baseaddress;
 421
 422
 423         #check name
 424         if ($ccdname eq '')
 425         {
 426                 $errormessage=$errormessage.$Lang::tr{'ccd err name'}."<br>";
 427                 return
 428         }
 429
 430         if(!&General::validhostname($ccdname))
 431         {
 432                 $errormessage=$Lang::tr{'ccd err invalidname'};
 433                 return;
 434         }
 435
 436         ($ccdip,$subcidr) = split (/\//,$ccdnet);
 437         $subcidr=&General::iporsubtocidr($subcidr);
 438         #check subnet
 439         if ($subcidr > 30)
 440         {
 441                 $errormessage=$Lang::tr{'ccd err invalidnet'};
 442                 return;
 443         }
 444         #check ip
 445         if (!&General::validipandmask($ccdnet)){
 446                 $errormessage=$Lang::tr{'ccd err invalidnet'};
 447                 return;
 448         }
 449
 450         $errormessage=&General::checksubnets($ccdname,$ccdnet);
 451
 452
 453         if (!$errormessage) {
 454                 my %ccdconfhash=();
 455                 $baseaddress=&General::getnetworkip($ccdip,$subcidr);
 456                 &General::readhasharray("${General::swroot}/ovpn/ccd.conf", \%ccdconfhash);
 457                 my $key = &General::findhasharraykey (\%ccdconfhash);
 458                 foreach my $i (0 .. 1) { $ccdconfhash{$key}[$i] = "";}
 459                 $ccdconfhash{$key}[0] = $ccdname;
 460                 $ccdconfhash{$key}[1] = $baseaddress."/".$subcidr;
 461                 &General::writehasharray("${General::swroot}/ovpn/ccd.conf", \%ccdconfhash);
 462                 &writeserverconf;
 463                 $cgiparams{'ccdname'}='';
 464                 $cgiparams{'ccdsubnet'}='';
 465                 return 1;
 466         }
 467 }
 468
 469 sub modccdnet
 470 {
 471
 472         my $newname=$_[0];
 473         my $oldname=$_[1];
 474         my %ccdconfhash=();
 475         my %ccdhash=();
 476         &General::readhasharray("${General::swroot}/ovpn/ccd.conf", \%ccdconfhash);
 477         foreach my $key (keys %ccdconfhash) {
 478                 if ($ccdconfhash{$key}[0] eq $oldname) {
 479                         foreach my $key1 (keys %ccdconfhash) {
 480                                 if ($ccdconfhash{$key1}[0] eq $newname){
 481                                         $errormessage=$errormessage.$Lang::tr{'ccd err netadrexist'};
 482                                         return;
 483                                 }else{
 484                                         $ccdconfhash{$key}[0]= $newname;
 485                                         &General::writehasharray("${General::swroot}/ovpn/ccd.conf", \%ccdconfhash);
 486                                         last;
 487                                 }
 488                         }
 489                 }
 490         }
 491
 492         &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%ccdhash);
 493                 foreach my $key (keys %ccdhash) {
 494                         if ($ccdhash{$key}[32] eq $oldname) {
 495                                 $ccdhash{$key}[32]=$newname;
 496                                 &General::writehasharray("${General::swroot}/ovpn/ovpnconfig", \%ccdhash);
 497                                 last;
 498                         }
 499                 }
 500
 501         return 0;
 502 }
 503 sub ccdmaxclients
 504 {
 505         my $ccdnetwork=$_[0];
 506         my @octets=();
 507         my @subnet=();
 508         @octets=split("\/",$ccdnetwork);
 509         @subnet= split /\./, &General::cidrtosub($octets[1]);
 510         my ($a,$b,$c,$d,$e);
 511         $a=256-$subnet[0];
 512         $b=256-$subnet[1];
 513         $c=256-$subnet[2];
 514         $d=256-$subnet[3];
 515         $e=($a*$b*$c*$d)/4;
 516         return $e-1;
 517 }
 518
 519 sub getccdadresses
 520 {
 521         my $ipin=$_[0];
 522         my ($ip1,$ip2,$ip3,$ip4)=split  /\./, $ipin;
 523         my $cidr=$_[1];
 524         chomp($cidr);
 525         my $count=$_[2];
 526         my $hasip=$_[3];
 527         chomp($hasip);
 528         my @iprange=();
 529         my %ccdhash=();
 530         &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%ccdhash);
 531         $iprange[0]=$ip1.".".$ip2.".".$ip3.".".($ip4+2);
 532         for (my $i=1;$i<=$count;$i++) {
 533                 my $tmpip=$iprange[$i-1];
 534                 my $stepper=$i*4;
 535                 $iprange[$i]= &General::getnextip($tmpip,4);
 536         }
 537         my $r=0;
 538         foreach my $key (keys %ccdhash) {
 539                 $r=0;
 540                 foreach  my $tmp (@iprange){
 541                         my ($net,$sub) = split (/\//,$ccdhash{$key}[33]);
 542                         if ($net eq $tmp) {
 543                                 if ( $hasip ne  $ccdhash{$key}[33] ){
 544                                         splice (@iprange,$r,1);
 545                                 }
 546                         }
 547                         $r++;
 548                 }
 549         }
 550         return @iprange;
 551 }
 552
 553 sub fillselectbox
 554 {
 555         my $boxname=$_[1];
 556         my ($ccdip,$subcidr) = split("/",$_[0]);
 557         my $tz=$_[2];
 558         my @allccdips=&getccdadresses($ccdip,$subcidr,&ccdmaxclients($ccdip."/".$subcidr),$tz);
 559         print"<select name='$boxname' STYLE='font-family : arial; font-size : 9pt; width:130px;' >";
 560         foreach (@allccdips) {
 561                 my $ip=$_."/30";
 562                 chomp($ip);
 563                 print "<option value='$ip' ";
 564                 if ( $ip eq $cgiparams{$boxname} ){
 565                         print"selected";
 566                 }
 567                 print ">$ip</option>";
 568         }
 569         print "</select>";
 570 }
 571
 572 sub hostsinnet
 573 {
 574         my $name=$_[0];
 575         my %ccdhash=();
 576         my $i=0;
 577         &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%ccdhash);
 578         foreach my $key (keys %ccdhash) {
 579                 if ($ccdhash{$key}[32] eq $name){ $i++;}
 580         }
 581         return $i;
 582 }
 583
 584 sub check_routes_push
 585 {
 586                         my $val=$_[0];
 587                         my ($ip,$cidr) = split (/\//, $val);
 588                         ##check for existing routes in routes_push
 589                         if (-e "${General::swroot}/ovpn/routes_push") {
 590                                 open(FILE,"${General::swroot}/ovpn/routes_push");
 591                                 while (<FILE>) {
 592                                         $_=~s/\s*$//g;
 593
 594                                         my ($ip2,$cidr2) = split (/\//,"$_");
 595                                         my $val2=$ip2."/".&General::iporsubtodec($cidr2);
 596
 597                                         if($val eq $val2){
 598                                                 return 0;
 599                                         }
 600                                         #subnetcheck
 601                                         if (&General::IpInSubnet ($ip,$ip2,&General::iporsubtodec($cidr2))){
 602                                                 return 0;
 603                                         }
 604                                 };
 605                                 close(FILE);
 606                         }
 607         return 1;
 608 }
 609
 610 sub check_ccdroute
 611 {
 612         my %ccdroutehash=();
 613         my $val=$_[0];
 614         my ($ip,$cidr) = split (/\//, $val);
 615         #check for existing routes in ccdroute
 616         &General::readhasharray("${General::swroot}/ovpn/ccdroute", \%ccdroutehash);
 617         foreach my $key (keys %ccdroutehash) {
 618                 foreach my $i (1 .. $#{$ccdroutehash{$key}}) {
 619                         if (&General::iporsubtodec($val) eq $ccdroutehash{$key}[$i] && $ccdroutehash{$key}[0] ne $cgiparams{'NAME'}){
 620                                 return 0;
 621                         }
 622                         my ($ip2,$cidr2) = split (/\//,$ccdroutehash{$key}[$i]);
 623                         #subnetcheck
 624                         if (&General::IpInSubnet ($ip,$ip2,$cidr2)&& $ccdroutehash{$key}[0] ne $cgiparams{'NAME'} ){
 625                                 return 0;
 626                         }
 627                 }
 628         }
 629         return 1;
 630 }
 631 sub check_ccdconf
 632 {
 633         my %ccdconfhash=();
 634         my $val=$_[0];
 635         my ($ip,$cidr) = split (/\//, $val);
 636         #check for existing routes in ccdroute
 637         &General::readhasharray("${General::swroot}/ovpn/ccd.conf", \%ccdconfhash);
 638         foreach my $key (keys %ccdconfhash) {
 639                 if (&General::iporsubtocidr($val) eq $ccdconfhash{$key}[1]){
 640                                 return 0;
 641                         }
 642                         my ($ip2,$cidr2) = split (/\//,$ccdconfhash{$key}[1]);
 643                         #subnetcheck
 644                         if (&General::IpInSubnet ($ip,$ip2,&General::cidrtosub($cidr2))){
 645                                 return 0;
 646                         }
 647
 648         }
 649         return 1;
 650 }
 651
 652 ###
 653 # m.a.d net2net
 654 ###
 655
 656 sub validdotmask
 657 {
 658         my $ipdotmask = $_[0];
 659         if (&General::validip($ipdotmask)) { return 0; }
 660         if (!($ipdotmask =~ /^(.*?)\/(.*?)$/)) {  }
 661         my $mask = $2;
 662         if (($mask =~ /\./ )) { return 0; }
 663   return 1;
 664 }
 665
 666 # -------------------------------------------------------------------
 667
 668 sub write_routepushfile
 669 {
 670         open(FILE, ">$routes_push_file");
 671         flock(FILE, 2);
 672         if ($vpnsettings{'ROUTES_PUSH'} ne '') {
 673                 print FILE $vpnsettings{'ROUTES_PUSH'};
 674         }
 675         close(FILE);
 676 }
 677
 678 sub read_routepushfile
 679 {
 680         if (-e "$routes_push_file") {
 681                 open(FILE,"$routes_push_file");
 682                 delete $vpnsettings{'ROUTES_PUSH'};
 683                 while (<FILE>) { $vpnsettings{'ROUTES_PUSH'} .= $_ };
 684                 close(FILE);
 685                 $cgiparams{'ROUTES_PUSH'} = $vpnsettings{'ROUTES_PUSH'};
 686
 687         }
 688 }
 689
 690
 691 #hier die refresh page
 692 if ( -e "${General::swroot}/ovpn/gencanow") {
 693     my $refresh = '';
 694     $refresh = "<meta http-equiv='refresh' content='15;' />";
 695     &Header::showhttpheaders();
 696     &Header::openpage($Lang::tr{'OVPN'}, 1, $refresh);
 697     &Header::openbigbox('100%', 'center');
 698     &Header::openbox('100%', 'left', "$Lang::tr{'generate root/host certificates'}:");
 699     print "<tr>\n<td align='center'><img src='/images/clock.gif' alt='' /></td>\n";
 700     print "<td colspan='2'><font color='red'>Please be patient this realy can take some time on older hardware...</font></td></tr>\n";
 701     &Header::closebox();
 702     &Header::closebigbox();
 703     &Header::closepage();
 704     exit (0);
 705 }
 706 ##hier die refresh page
 707
 708
 709 ###
 710 ### OpenVPN Server Control
 711 ###
 712 if ($cgiparams{'ACTION'} eq $Lang::tr{'start ovpn server'} ||
 713     $cgiparams{'ACTION'} eq $Lang::tr{'stop ovpn server'} ||
 714     $cgiparams{'ACTION'} eq $Lang::tr{'restart ovpn server'}) {
 715     #start openvpn server
 716     if ($cgiparams{'ACTION'} eq $Lang::tr{'start ovpn server'}){
 717         &emptyserverlog();
 718         system('/usr/local/bin/openvpnctrl', '-s');
 719     }
 720     #stop openvpn server
 721     if ($cgiparams{'ACTION'} eq $Lang::tr{'stop ovpn server'}){
 722         system('/usr/local/bin/openvpnctrl', '-k');
 723         &emptyserverlog();
 724     }
 725 #    #restart openvpn server
 726 #    if ($cgiparams{'ACTION'} eq $Lang::tr{'restart ovpn server'}){
 727 #workarund, till SIGHUP also works when running as nobody
 728 #       system('/usr/local/bin/openvpnctrl', '-r');
 729 #       &emptyserverlog();
 730 #    }
 731 }
 732
 733 ###
 734 ### Save Advanced options
 735 ###
 736
 737 if ($cgiparams{'ACTION'} eq $Lang::tr{'save-adv-options'}) {
 738     &General::readhash("${General::swroot}/ovpn/settings", \%vpnsettings);
 739     #DAN do we really need (to to check) this value? Besides if we listen on blue and orange too,
 740     #DAN this value has to leave.
 741 #new settings for daemon
 742     $vpnsettings{'LOG_VERB'} = $cgiparams{'LOG_VERB'};
 743     $vpnsettings{'KEEPALIVE_1'} = $cgiparams{'KEEPALIVE_1'};
 744     $vpnsettings{'KEEPALIVE_2'} = $cgiparams{'KEEPALIVE_2'};
 745     $vpnsettings{'MAX_CLIENTS'} = $cgiparams{'MAX_CLIENTS'};
 746     $vpnsettings{'REDIRECT_GW_DEF1'} = $cgiparams{'REDIRECT_GW_DEF1'};
 747     $vpnsettings{'CLIENT2CLIENT'} = $cgiparams{'CLIENT2CLIENT'};
 748     $vpnsettings{'DHCP_DOMAIN'} = $cgiparams{'DHCP_DOMAIN'};
 749     $vpnsettings{'DHCP_DNS'} = $cgiparams{'DHCP_DNS'};
 750     $vpnsettings{'DHCP_WINS'} = $cgiparams{'DHCP_WINS'};
 751     $vpnsettings{'ROUTES_PUSH'} = $cgiparams{'ROUTES_PUSH'};
 752     $vpnsettings{'PMTU_DISCOVERY'} = $cgiparams{'PMTU_DISCOVERY'};
 753     $vpnsettings{'DAUTH'} = $cgiparams{'DAUTH'};
 754     $vpnsettings{'TLSAUTH'} = $cgiparams{'TLSAUTH'};
 755     $vpnsettings{'ENGINES'} = $cgiparams{'ENGINES'};
 756     my @temp=();
 757
 758     if ($cgiparams{'FRAGMENT'} eq '') {
 759         delete $vpnsettings{'FRAGMENT'};
 760     } else {
 761         if ($cgiparams{'FRAGMENT'} !~ /^[0-9]+$/) {
 762             $errormessage = "Incorrect value, please insert only numbers.";
 763         goto ADV_ERROR;
 764                 } else {
 765                         $vpnsettings{'FRAGMENT'} = $cgiparams{'FRAGMENT'};
 766         }
 767     }
 768
 769     if ($cgiparams{'MSSFIX'} ne 'on') {
 770         delete $vpnsettings{'MSSFIX'};
 771     } else {
 772         $vpnsettings{'MSSFIX'} = $cgiparams{'MSSFIX'};
 773     }
 774
 775    # Create ta.key for tls-auth if not presant
 776    if ($cgiparams{'TLSAUTH'} eq 'on') {
 777         if ( ! -e "${General::swroot}/ovpn/ca/ta.key") {
 778                 system('/usr/sbin/openvpn', '--genkey', '--secret', "${General::swroot}/ovpn/ca/ta.key")
 779         }
 780     }
 781
 782     if (($cgiparams{'PMTU_DISCOVERY'} eq 'yes') ||
 783         ($cgiparams{'PMTU_DISCOVERY'} eq 'maybe') ||
 784         ($cgiparams{'PMTU_DISCOVERY'} eq 'no' )) {
 785
 786         if (($cgiparams{'MSSFIX'} eq 'on') || ($cgiparams{'FRAGMENT'} ne '')) {
 787                 $errormessage = $Lang::tr{'ovpn mtu-disc with mssfix or fragment'};
 788                 goto ADV_ERROR;
 789         }
 790     }
 791
 792     if ($cgiparams{'DHCP_DOMAIN'} ne ''){
 793         unless (&General::validdomainname($cgiparams{'DHCP_DOMAIN'}) || &General::validip($cgiparams{'DHCP_DOMAIN'})) {
 794                 $errormessage = $Lang::tr{'invalid input for dhcp domain'};
 795         goto ADV_ERROR;
 796         }
 797     }
 798     if ($cgiparams{'DHCP_DNS'} ne ''){
 799         unless (&General::validfqdn($cgiparams{'DHCP_DNS'}) || &General::validip($cgiparams{'DHCP_DNS'})) {
 800                 $errormessage = $Lang::tr{'invalid input for dhcp dns'};
 801         goto ADV_ERROR;
 802         }
 803     }
 804     if ($cgiparams{'DHCP_WINS'} ne ''){
 805         unless (&General::validfqdn($cgiparams{'DHCP_WINS'}) || &General::validip($cgiparams{'DHCP_WINS'})) {
 806                 $errormessage = $Lang::tr{'invalid input for dhcp wins'};
 807                 goto ADV_ERROR;
 808         }
 809     }
 810     if ($cgiparams{'ROUTES_PUSH'} ne ''){
 811         @temp = split(/\n/,$cgiparams{'ROUTES_PUSH'});
 812         undef $vpnsettings{'ROUTES_PUSH'};
 813
 814         foreach my $tmpip (@temp)
 815         {
 816                 s/^\s+//g; s/\s+$//g;
 817
 818                 if ($tmpip)
 819                 {
 820                         $tmpip=~s/\s*$//g;
 821                         unless (&General::validipandmask($tmpip)) {
 822                                 $errormessage = "$tmpip ".$Lang::tr{'ovpn errmsg invalid ip or mask'};
 823                                 goto ADV_ERROR;
 824                         }
 825                         my ($ip, $cidr) = split("\/",&General::ipcidr2msk($tmpip));
 826
 827                         if ($ip eq $netsettings{'GREEN_NETADDRESS'} && $cidr eq $netsettings{'GREEN_NETMASK'}) {
 828                                 $errormessage = $Lang::tr{'ovpn errmsg green already pushed'};
 829                                 goto ADV_ERROR;
 830                         }
 831 # a.marx ccd
 832                         my %ccdroutehash=();
 833                         &General::readhasharray("${General::swroot}/ovpn/ccdroute", \%ccdroutehash);
 834                         foreach my $key (keys %ccdroutehash) {
 835                                 foreach my $i (1 .. $#{$ccdroutehash{$key}}) {
 836                                         if ( $ip."/".$cidr eq $ccdroutehash{$key}[$i] ){
 837                                                 $errormessage="Route $ip\/$cidr ".$Lang::tr{'ccd err inuse'}." $ccdroutehash{$key}[0]" ;
 838                                                 goto ADV_ERROR;
 839                                         }
 840                                         my ($ip2,$cidr2) = split(/\//,$ccdroutehash{$key}[$i]);
 841                                         if (&General::IpInSubnet ($ip,$ip2,$cidr2)){
 842                                                 $errormessage="Route $ip\/$cidr ".$Lang::tr{'ccd err inuse'}." $ccdroutehash{$key}[0]" ;
 843                                                 goto ADV_ERROR;
 844                                         }
 845                                 }
 846                         }
 847
 848 # ccd end
 849
 850                         $vpnsettings{'ROUTES_PUSH'} .= $tmpip."\n";
 851                 }
 852         }
 853     &write_routepushfile;
 854         undef $vpnsettings{'ROUTES_PUSH'};
 855     }
 856         else {
 857         undef $vpnsettings{'ROUTES_PUSH'};
 858         &write_routepushfile;
 859     }
 860     if ((length($cgiparams{'MAX_CLIENTS'}) == 0) || (($cgiparams{'MAX_CLIENTS'}) < 1 ) || (($cgiparams{'MAX_CLIENTS'}) > 255 )) {
 861         $errormessage = $Lang::tr{'invalid input for max clients'};
 862         goto ADV_ERROR;
 863     }
 864     if ($cgiparams{'KEEPALIVE_1'} ne '') {
 865         if ($cgiparams{'KEEPALIVE_1'} !~ /^[0-9]+$/) {
 866             $errormessage = $Lang::tr{'invalid input for keepalive 1'};
 867         goto ADV_ERROR;
 868         }
 869     }
 870     if ($cgiparams{'KEEPALIVE_2'} ne ''){
 871         if ($cgiparams{'KEEPALIVE_2'} !~ /^[0-9]+$/) {
 872             $errormessage = $Lang::tr{'invalid input for keepalive 2'};
 873         goto ADV_ERROR;
 874         }
 875     }
 876     if ($cgiparams{'KEEPALIVE_2'} < ($cgiparams{'KEEPALIVE_1'} * 2)){
 877         $errormessage = $Lang::tr{'invalid input for keepalive 1:2'};
 878         goto ADV_ERROR;
 879     }
 880
 881     &General::writehash("${General::swroot}/ovpn/settings", \%vpnsettings);
 882     &writeserverconf();#hier ok
 883 }
 884
 885 ###
 886 # m.a.d net2net
 887 ###
 888
 889 if ($cgiparams{'ACTION'} eq $Lang::tr{'save'} && $cgiparams{'TYPE'} eq 'net' && $cgiparams{'SIDE'} eq 'server')
 890 {
 891
 892 my @remsubnet = split(/\//,$cgiparams{'REMOTE_SUBNET'});
 893 my @ovsubnettemp =  split(/\./,$cgiparams{'OVPN_SUBNET'});
 894 my $ovsubnet =  "$ovsubnettemp[0].$ovsubnettemp[1].$ovsubnettemp[2]";
 895 my $tunmtu =  '';
 896
 897 unless(-d "${General::swroot}/ovpn/n2nconf/"){mkdir "${General::swroot}/ovpn/n2nconf", 0755 or die "Unable to create dir $!";}
 898 unless(-d "${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}"){mkdir "${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}", 0770 or die "Unable to create dir $!";}
 899
 900   open(SERVERCONF,    ">${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}/$cgiparams{'NAME'}.conf") or die "Unable to open ${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}/$cgiparams{'NAME'}.conf: $!";
 901
 902   flock SERVERCONF, 2;
 903   print SERVERCONF "# IPFire n2n Open VPN Server Config by ummeegge und m.a.d\n";
 904   print SERVERCONF "\n";
 905   print SERVERCONF "# User Security\n";
 906   print SERVERCONF "user nobody\n";
 907   print SERVERCONF "group nobody\n";
 908   print SERVERCONF "persist-tun\n";
 909   print SERVERCONF "persist-key\n";
 910   print SERVERCONF "script-security 2\n";
 911   print SERVERCONF "# IP/DNS for remote Server Gateway\n";
 912
 913   if ($cgiparams{'REMOTE'} ne '') {
 914   print SERVERCONF "remote $cgiparams{'REMOTE'}\n";
 915   }
 916
 917   print SERVERCONF "float\n";
 918   print SERVERCONF "# IP adresses of the VPN Subnet\n";
 919   print SERVERCONF "ifconfig $ovsubnet.1 $ovsubnet.2\n";
 920   print SERVERCONF "# Client Gateway Network\n";
 921   print SERVERCONF "route $remsubnet[0] $remsubnet[1]\n";
 922   print SERVERCONF "# tun Device\n";
 923   print SERVERCONF "dev tun\n";
 924   print SERVERCONF "# Port and Protokol\n";
 925   print SERVERCONF "port $cgiparams{'DEST_PORT'}\n";
 926
 927   if ($cgiparams{'PROTOCOL'} eq 'tcp') {
 928   print SERVERCONF "proto tcp-server\n";
 929   print SERVERCONF "# Packet size\n";
 930   if ($cgiparams{'MTU'} eq '') {$tunmtu = '1400'} else {$tunmtu = $cgiparams{'MTU'}};
 931   print SERVERCONF "tun-mtu $tunmtu\n";
 932   }
 933
 934   if ($cgiparams{'PROTOCOL'} eq 'udp') {
 935   print SERVERCONF "proto udp\n";
 936   print SERVERCONF "# Paketsize\n";
 937   if ($cgiparams{'MTU'} eq '') {$tunmtu = '1500'} else {$tunmtu = $cgiparams{'MTU'}};
 938   print SERVERCONF "tun-mtu $tunmtu\n";
 939   if ($cgiparams{'FRAGMENT'} ne '') {print SERVERCONF "fragment $cgiparams{'FRAGMENT'}\n";}
 940   if ($cgiparams{'MSSFIX'} eq 'on') {print SERVERCONF "mssfix\n"; };
 941   }
 942
 943   # Check if a valid operating mode has been choosen and use it.
 944   if (($cgiparams{'PMTU_DISCOVERY'} eq 'yes') ||
 945       ($cgiparams{'PMTU_DISCOVERY'} eq 'maybe') ||
 946       ($cgiparams{'PMTU_DISCOVERY'} eq 'no' )) {
 947         if(($cgiparams{'MSSFIX'} ne 'on') || ($cgiparams{'FRAGMENT'} eq '')) {
 948                 if($cgiparams{'MTU'} eq '1500') {
 949                         print SERVERCONF "mtu-disc $cgiparams{'PMTU_DISCOVERY'}\n";
 950                 }
 951         }
 952   }
 953   print SERVERCONF "# Auth. Server\n";
 954   print SERVERCONF "tls-server\n";
 955   print SERVERCONF "ca ${General::swroot}/ovpn/ca/cacert.pem\n";
 956   print SERVERCONF "cert ${General::swroot}/ovpn/certs/servercert.pem\n";
 957   print SERVERCONF "key ${General::swroot}/ovpn/certs/serverkey.pem\n";
 958   print SERVERCONF "dh ${General::swroot}/ovpn/ca/$cgiparams{'DH_NAME'}\n";
 959   print SERVERCONF "# Cipher\n";
 960   print SERVERCONF "cipher $cgiparams{'DCIPHER'}\n";
 961   if ($cgiparams{'DAUTH'} eq '') {
 962         print SERVERCONF "auth SHA1\n";
 963   } else {
 964         print SERVERCONF "# HMAC algorithm\n";
 965         print SERVERCONF "auth $cgiparams{'DAUTH'}\n";
 966   }
 967   if ($cgiparams{'ENGINES'} eq 'disabled') {
 968         print SERVERCONF "";
 969   } else {
 970         print SERVERCONF "# Crypto engine\n";
 971         print SERVERCONF "engine $cgiparams{'ENGINES'}\n";
 972   }
 973   if ($cgiparams{'COMPLZO'} eq 'on') {
 974    print SERVERCONF "# Enable Compression\n";
 975    print SERVERCONF "comp-lzo\r\n";
 976      }
 977   print SERVERCONF "# Debug Level\n";
 978   print SERVERCONF "verb 3\n";
 979   print SERVERCONF "# Tunnel check\n";
 980   print SERVERCONF "keepalive 10 60\n";
 981   print SERVERCONF "# Start as daemon\n";
 982   print SERVERCONF "daemon $cgiparams{'NAME'}n2n\n";
 983   print SERVERCONF "writepid /var/run/$cgiparams{'NAME'}n2n.pid\n";
 984   print SERVERCONF "# Activate Management Interface and Port\n";
 985   if ($cgiparams{'OVPN_MGMT'} eq '') {print SERVERCONF "management localhost $cgiparams{'DEST_PORT'}\n"}
 986   else {print SERVERCONF "management localhost $cgiparams{'OVPN_MGMT'}\n"};
 987   close(SERVERCONF);
 988
 989 }
 990
 991 ###
 992 # m.a.d net2net
 993 ###
 994
 995 if ($cgiparams{'ACTION'} eq $Lang::tr{'save'} && $cgiparams{'TYPE'} eq 'net' && $cgiparams{'SIDE'} eq 'client')
 996 {
 997         my @ovsubnettemp =  split(/\./,$cgiparams{'OVPN_SUBNET'});
 998         my $ovsubnet =  "$ovsubnettemp[0].$ovsubnettemp[1].$ovsubnettemp[2]";
 999         my @remsubnet =  split(/\//,$cgiparams{'REMOTE_SUBNET'});
1000         my $tunmtu =  '';
1001
1002 unless(-d "${General::swroot}/ovpn/n2nconf/"){mkdir "${General::swroot}/ovpn/n2nconf", 0755 or die "Unable to create dir $!";}
1003 unless(-d "${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}"){mkdir "${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}", 0770 or die "Unable to create dir $!";}
1004
1005   open(CLIENTCONF,    ">${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}/$cgiparams{'NAME'}.conf") or die "Unable to open ${General::swroot}/ovpn/n2nconf/$cgiparams{'NAME'}/$cgiparams{'NAME'}.conf: $!";
1006
1007   flock CLIENTCONF, 2;
1008   print CLIENTCONF "# IPFire rewritten n2n Open VPN Client Config by ummeegge und m.a.d\n";
1009   print CLIENTCONF "#\n";
1010   print CLIENTCONF "# User Security\n";
1011   print CLIENTCONF "user nobody\n";
1012   print CLIENTCONF "group nobody\n";
1013   print CLIENTCONF "persist-tun\n";
1014   print CLIENTCONF "persist-key\n";
1015   print CLIENTCONF "script-security 2\n";
1016   print CLIENTCONF "# IP/DNS for remote Server Gateway\n";
1017   print CLIENTCONF "remote $cgiparams{'REMOTE'}\n";
1018   print CLIENTCONF "float\n";
1019   print CLIENTCONF "# IP adresses of the VPN Subnet\n";
1020   print CLIENTCONF "ifconfig $ovsubnet.2 $ovsubnet.1\n";
1021   print CLIENTCONF "# Server Gateway Network\n";
1022   print CLIENTCONF "route $remsubnet[0] $remsubnet[1]\n";
1023   print CLIENTCONF "# tun Device\n";
1024   print CLIENTCONF "dev tun\n";
1025   print CLIENTCONF "# Port and Protokol\n";
1026   print CLIENTCONF "port $cgiparams{'DEST_PORT'}\n";
1027
1028   if ($cgiparams{'PROTOCOL'} eq 'tcp') {
1029   print CLIENTCONF "proto tcp-client\n";
1030   print CLIENTCONF "# Packet size\n";
1031   if ($cgiparams{'MTU'} eq '') {$tunmtu = '1400'} else {$tunmtu = $cgiparams{'MTU'}};
1032   print CLIENTCONF "tun-mtu $tunmtu\n";
1033   }
1034
1035   if ($cgiparams{'PROTOCOL'} eq 'udp') {
1036   print CLIENTCONF "proto udp\n";
1037   print CLIENTCONF "# Paketsize\n";
1038   if ($cgiparams{'MTU'} eq '') {$tunmtu = '1500'} else {$tunmtu = $cgiparams{'MTU'}};
1039   print CLIENTCONF "tun-mtu $tunmtu\n";
1040   if ($cgiparams{'FRAGMENT'} ne '') {print CLIENTCONF "fragment $cgiparams{'FRAGMENT'}\n";}
1041   if ($cgiparams{'MSSFIX'} eq 'on') {print CLIENTCONF "mssfix\n"; };
1042   }
1043
1044   # Check if a valid operating mode has been choosen and use it.
1045   if (($cgiparams{'PMTU_DISCOVERY'} eq 'yes') ||
1046       ($cgiparams{'PMTU_DISCOVERY'} eq 'maybe') ||
1047       ($cgiparams{'PMTU_DISCOVERY'} eq 'no' )) {
1048         if(($cgiparams{'MSSFIX'} ne 'on') || ($cgiparams{'FRAGMENT'} eq '')) {
1049                 if ($cgiparams{'MTU'} eq '1500') {
1050                         print CLIENTCONF "mtu-disc $cgiparams{'PMTU_DISCOVERY'}\n";
1051                 }
1052         }
1053   }
1054
1055   print CLIENTCONF "ns-cert-type server\n";
1056   print CLIENTCONF "# Auth. Client\n";
1057   print CLIENTCONF "tls-client\n";
1058   print CLIENTCONF "# Cipher\n";
1059   print CLIENTCONF "cipher $cgiparams{'DCIPHER'}\n";
1060   print CLIENTCONF "pkcs12 ${General::swroot}/ovpn/certs/$cgiparams{'NAME'}.p12\r\n";
1061   if ($cgiparams{'DAUTH'} eq '') {
1062         print CLIENTCONF "auth SHA1\n";
1063   } else {
1064         print CLIENTCONF "# HMAC algorithm\n";
1065         print CLIENTCONF "auth $cgiparams{'DAUTH'}\n";
1066   }
1067   if ($cgiparams{'ENGINES'} eq 'disabled') {
1068         print CLIENTCONF "";
1069   } else {
1070         print CLIENTCONF "# Crypto engine\n";
1071         print CLIENTCONF "engine $cgiparams{'ENGINES'}\n";
1072   }
1073   if ($cgiparams{'COMPLZO'} eq 'on') {
1074    print CLIENTCONF "# Enable Compression\n";
1075    print CLIENTCONF "comp-lzo\r\n";
1076      }
1077   print CLIENTCONF "# Debug Level\n";
1078   print CLIENTCONF "verb 3\n";
1079   print CLIENTCONF "# Tunnel check\n";
1080   print CLIENTCONF "keepalive 10 60\n";
1081   print CLIENTCONF "# Start as daemon\n";
1082   print CLIENTCONF "daemon $cgiparams{'NAME'}n2n\n";
1083   print CLIENTCONF "writepid /var/run/$cgiparams{'NAME'}n2n.pid\n";
1084   print CLIENTCONF "# Activate Management Interface and Port\n";
1085   if ($cgiparams{'OVPN_MGMT'} eq '') {print CLIENTCONF "management localhost $cgiparams{'DEST_PORT'}\n"}
1086   else {print CLIENTCONF "management localhost $cgiparams{'OVPN_MGMT'}\n"};
1087   close(CLIENTCONF);
1088
1089 }
1090
1091 ###
1092 ### Save main settings
1093 ###
1094
1095
1096 if ($cgiparams{'ACTION'} eq $Lang::tr{'save'} && $cgiparams{'TYPE'} eq '' && $cgiparams{'KEY'} eq '') {
1097     &General::readhash("${General::swroot}/ovpn/settings", \%vpnsettings);
1098     #DAN do we really need (to to check) this value? Besides if we listen on blue and orange too,
1099     #DAN this value has to leave.
1100     if ($cgiparams{'ENABLED'} eq 'on'){
1101         unless (&General::validfqdn($cgiparams{'VPN_IP'}) || &General::validip($cgiparams{'VPN_IP'})) {
1102                 $errormessage = $Lang::tr{'invalid input for hostname'};
1103         goto SETTINGS_ERROR;
1104         }
1105     }
1106     if ($errormessage) { goto SETTINGS_ERROR; }
1107
1108     if ($cgiparams{'ENABLED'} eq 'on'){
1109         &checkportfw($cgiparams{'DDEST_PORT'},$cgiparams{'DPROTOCOL'});
1110     }
1111     if ($errormessage) { goto SETTINGS_ERROR; }
1112
1113     if (! &General::validipandmask($cgiparams{'DOVPN_SUBNET'})) {
1114             $errormessage = $Lang::tr{'ovpn subnet is invalid'};
1115         goto SETTINGS_ERROR;
1116     }
1117     my @tmpovpnsubnet = split("\/",$cgiparams{'DOVPN_SUBNET'});
1118
1119     if (&General::IpInSubnet ( $netsettings{'RED_ADDRESS'},
1120         $tmpovpnsubnet[0], $tmpovpnsubnet[1])) {
1121         $errormessage = "$Lang::tr{'ovpn subnet overlap'} IPFire RED Network $netsettings{'RED_ADDRESS'}";
1122         goto SETTINGS_ERROR;
1123     }
1124
1125     if (&General::IpInSubnet ( $netsettings{'GREEN_ADDRESS'},
1126         $tmpovpnsubnet[0], $tmpovpnsubnet[1])) {
1127         $errormessage = "$Lang::tr{'ovpn subnet overlap'} IPFire Green Network $netsettings{'GREEN_ADDRESS'}";
1128         goto SETTINGS_ERROR;
1129     }
1130
1131     if (&General::IpInSubnet ( $netsettings{'BLUE_ADDRESS'},
1132         $tmpovpnsubnet[0], $tmpovpnsubnet[1])) {
1133         $errormessage = "$Lang::tr{'ovpn subnet overlap'} IPFire Blue Network $netsettings{'BLUE_ADDRESS'}";
1134         goto SETTINGS_ERROR;
1135     }
1136
1137     if (&General::IpInSubnet ( $netsettings{'ORANGE_ADDRESS'},
1138         $tmpovpnsubnet[0], $tmpovpnsubnet[1])) {
1139         $errormessage = "$Lang::tr{'ovpn subnet overlap'} IPFire Orange Network $netsettings{'ORANGE_ADDRESS'}";
1140         goto SETTINGS_ERROR;
1141     }
1142     open(ALIASES, "${General::swroot}/ethernet/aliases") or die 'Unable to open aliases file.';
1143     while (<ALIASES>)
1144     {
1145         chomp($_);
1146         my @tempalias = split(/\,/,$_);
1147         if ($tempalias[1] eq 'on') {
1148             if (&General::IpInSubnet ($tempalias[0] ,
1149                 $tmpovpnsubnet[0], $tmpovpnsubnet[1])) {
1150                 $errormessage = "$Lang::tr{'ovpn subnet overlap'} IPFire alias entry $tempalias[0]";
1151             }
1152         }
1153     }
1154     close(ALIASES);
1155     if ($errormessage ne ''){
1156         goto SETTINGS_ERROR;
1157     }
1158     if ($cgiparams{'ENABLED'} !~ /^(on|off)$/) {
1159         $errormessage = $Lang::tr{'invalid input'};
1160         goto SETTINGS_ERROR;
1161     }
1162     if ((length($cgiparams{'DMTU'})==0) || (($cgiparams{'DMTU'}) < 1000 )) {
1163         $errormessage = $Lang::tr{'invalid mtu input'};
1164         goto SETTINGS_ERROR;
1165     }
1166
1167     unless (&General::validport($cgiparams{'DDEST_PORT'})) {
1168         $errormessage = $Lang::tr{'invalid port'};
1169         goto SETTINGS_ERROR;
1170     }
1171
1172     $vpnsettings{'ENABLED_BLUE'} = $cgiparams{'ENABLED_BLUE'};
1173     $vpnsettings{'ENABLED_ORANGE'} =$cgiparams{'ENABLED_ORANGE'};
1174     $vpnsettings{'ENABLED'} = $cgiparams{'ENABLED'};
1175     $vpnsettings{'VPN_IP'} = $cgiparams{'VPN_IP'};
1176 #new settings for daemon
1177     $vpnsettings{'DOVPN_SUBNET'} = $cgiparams{'DOVPN_SUBNET'};
1178     $vpnsettings{'DDEVICE'} = $cgiparams{'DDEVICE'};
1179     $vpnsettings{'DPROTOCOL'} = $cgiparams{'DPROTOCOL'};
1180     $vpnsettings{'DDEST_PORT'} = $cgiparams{'DDEST_PORT'};
1181     $vpnsettings{'DMTU'} = $cgiparams{'DMTU'};
1182     $vpnsettings{'DCOMPLZO'} = $cgiparams{'DCOMPLZO'};
1183     $vpnsettings{'DCIPHER'} = $cgiparams{'DCIPHER'};
1184 #wrtie enable
1185
1186   if ( $vpnsettings{'ENABLED_BLUE'} eq 'on' ) {system("touch ${General::swroot}/ovpn/enable_blue 2>/dev/null");}else{system("unlink ${General::swroot}/ovpn/enable_blue 2>/dev/null");}
1187   if ( $vpnsettings{'ENABLED_ORANGE'} eq 'on' ) {system("touch ${General::swroot}/ovpn/enable_orange 2>/dev/null");}else{system("unlink ${General::swroot}/ovpn/enable_orange 2>/dev/null");}
1188   if ( $vpnsettings{'ENABLED'} eq 'on' ) {system("touch ${General::swroot}/ovpn/enable 2>/dev/null");}else{system("unlink ${General::swroot}/ovpn/enable 2>/dev/null");}
1189 #new settings for daemon
1190     &General::writehash("${General::swroot}/ovpn/settings", \%vpnsettings);
1191     &writeserverconf();#hier ok
1192 SETTINGS_ERROR:
1193 ###
1194 ### Reset all step 2
1195 ###
1196 }elsif ($cgiparams{'ACTION'} eq $Lang::tr{'remove x509'} && $cgiparams{'AREUSURE'} eq 'yes') {
1197     my $file = '';
1198     &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
1199
1200     foreach my $key (keys %confighash) {
1201         if ($confighash{$key}[4] eq 'cert') {
1202             delete $confighash{$cgiparams{'$key'}};
1203         }
1204     }
1205     while ($file = glob("${General::swroot}/ovpn/ca/*")) {
1206         unlink $file;
1207     }
1208     while ($file = glob("${General::swroot}/ovpn/certs/*")) {
1209         unlink $file;
1210     }
1211     while ($file = glob("${General::swroot}/ovpn/crls/*")) {
1212         unlink $file;
1213     }
1214     &cleanssldatabase();
1215     if (open(FILE, ">${General::swroot}/ovpn/caconfig")) {
1216         print FILE "";
1217         close FILE;
1218     }
1219     if (open(FILE, ">${General::swroot}/ovpn/ccdroute")) {
1220         print FILE "";
1221         close FILE;
1222     }
1223     if (open(FILE, ">${General::swroot}/ovpn/ccdroute2")) {
1224         print FILE "";
1225         close FILE;
1226     }
1227     while ($file = glob("${General::swroot}/ovpn/ccd/*")) {
1228         unlink $file
1229     }
1230     if (open(FILE, ">${General::swroot}/ovpn/ovpn-leases.db")) {
1231         print FILE "";
1232         close FILE;
1233     }
1234     if (open(FILE, ">${General::swroot}/ovpn/ovpnconfig")) {
1235         print FILE "";
1236         close FILE;
1237     }
1238     while ($file = glob("${General::swroot}/ovpn/n2nconf/*")) {
1239         system ("rm -rf $file");
1240     }
1241
1242     #&writeserverconf();
1243 ###
1244 ### Reset all step 1
1245 ###
1246 }elsif ($cgiparams{'ACTION'} eq $Lang::tr{'remove x509'}) {
1247     &Header::showhttpheaders();
1248     &Header::openpage($Lang::tr{'ovpn'}, 1, '');
1249     &Header::openbigbox('100%', 'left', '', '');
1250     &Header::openbox('100%', 'left', $Lang::tr{'are you sure'});
1251     print <<END;
1252         <form method='post'>
1253                 <table width='100%'>
1254                         <tr>
1255                                 <td align='center'>
1256                                 <input type='hidden' name='AREUSURE' value='yes' />
1257                                 <b><font color='${Header::colourred}'>$Lang::tr{'capswarning'}</font></b>:
1258                                 $Lang::tr{'resetting the vpn configuration will remove the root ca, the host certificate and all certificate based connections'}</td>
1259                         </tr>
1260                         <tr>
1261                                 <td align='center'><input type='submit' name='ACTION' value='$Lang::tr{'remove x509'}' />
1262                                 <input type='submit' name='ACTION' value='$Lang::tr{'cancel'}' /></td>
1263                         </tr>
1264                 </table>
1265         </form>
1266
1267 END
1268     ;
1269     &Header::closebox();
1270     &Header::closebigbox();
1271     &Header::closepage();
1272     exit (0);
1273
1274 ###
1275 ### Generate DH key step 2
1276 ###
1277 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'generate dh key'} && $cgiparams{'AREUSURE'} eq 'yes') {
1278     # Delete if old key exists
1279     if (-f "${General::swroot}/ovpn/ca/$cgiparams{'DH_NAME'}") {
1280         unlink "${General::swroot}/ovpn/ca/$cgiparams{'DH_NAME'}";
1281         }
1282         # Create Diffie Hellmann Parameter
1283         system('/usr/bin/openssl', 'dhparam', '-rand', '/proc/interrupts:/proc/net/rt_cache',
1284         '-out', "${General::swroot}/ovpn/ca/dh1024.pem", "$cgiparams{'DHLENGHT'}");
1285         if ($?) {
1286                 $errormessage = "$Lang::tr{'openssl produced an error'}: $?";
1287                 unlink ("${General::swroot}/ovpn/ca/dh1024.pem");
1288         }
1289
1290 ###
1291 ### Generate DH key step 1
1292 ###
1293 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'generate dh key'}) {
1294         &Header::showhttpheaders();
1295         &Header::openpage($Lang::tr{'ovpn'}, 1, '');
1296         &Header::openbigbox('100%', 'LEFT', '', '');
1297         &Header::openbox('100%', 'LEFT', "$Lang::tr{'gen dh'}:");
1298         print <<END;
1299         <table width='100%'>
1300         <tr>
1301                 <td width='15%'> </td> <td width='15%'></td> <td width='65%'></td>
1302         </tr>
1303         <tr>
1304                 <td class='base'>$Lang::tr{'ovpn dh'}:</td>
1305                 <td align='center'>
1306                 <form method='post'><input type='hidden' name='AREUSURE' value='yes' />
1307                 <input type='hidden' name='KEY' value='$cgiparams{'KEY'}' />
1308                         <select name='DHLENGHT'>
1309                                 <option value='1024' $selected{'DHLENGHT'}{'1024'}>1024 $Lang::tr{'bit'}</option>
1310                                 <option value='2048' $selected{'DHLENGHT'}{'2048'}>2048 $Lang::tr{'bit'}</option>
1311                                 <option value='3072' $selected{'DHLENGHT'}{'3072'}>3072 $Lang::tr{'bit'}</option>
1312                                 <option value='4096' $selected{'DHLENGHT'}{'4096'}>4096 $Lang::tr{'bit'}</option>
1313                         </select>
1314                 </td>
1315         </tr>
1316         <tr><td colspan='4'><br></td></tr>
1317         </table>
1318         <table width='100%'>
1319         <tr>
1320                 <b><font color='${Header::colourred}'>$Lang::tr{'capswarning'}: </font></b>$Lang::tr{'dh key warn'}
1321         </tr>
1322         <tr>
1323                 <td class='base'>$Lang::tr{'dh key warn1'}</td>
1324         </tr>
1325         <tr><td colspan='2'><br></td></tr>
1326         <tr>
1327                 <td align='center'><input type='submit' name='ACTION' value='$Lang::tr{'generate dh key'}' /></td>
1328                 </form>
1329         </tr>
1330         </table>
1331
1332 END
1333         ;
1334         &Header::closebox();
1335         print "<div align='center'><a href='/cgi-bin/ovpnmain.cgi'>$Lang::tr{'back'}</a></div>";
1336         &Header::closebigbox();
1337         &Header::closepage();
1338         exit (0);
1339
1340 ###
1341 ### Upload DH key
1342 ###
1343 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'upload dh key'}) {
1344     if (ref ($cgiparams{'FH'}) ne 'Fh') {
1345          $errormessage = $Lang::tr{'there was no file upload'};
1346          goto UPLOADCA_ERROR;
1347     }
1348     # Move uploaded dh key to a temporary file
1349     (my $fh, my $filename) = tempfile( );
1350     if (copy ($cgiparams{'FH'}, $fh) != 1) {
1351         $errormessage = $!;
1352         goto UPLOADCA_ERROR;
1353     }
1354     my $temp = `/usr/bin/openssl dhparam -text -in $filename`;
1355     if ($temp !~ /DH Parameters: \((1024|2048|3072|4096) bit\)/) {
1356         $errormessage = $Lang::tr{'not a valid dh key'};
1357         unlink ($filename);
1358         goto UPLOADCA_ERROR;
1359     } else {
1360     # Delete if old key exists
1361     if (-f "${General::swroot}/ovpn/ca/$cgiparams{'DH_NAME'}") {
1362         unlink "${General::swroot}/ovpn/ca/$cgiparams{'DH_NAME'}";
1363         }
1364     move($filename, "${General::swroot}/ovpn/ca/$cgiparams{'DH_NAME'}");
1365         if ($? ne 0) {
1366                 $errormessage = "$Lang::tr{'dh key move failed'}: $!";
1367                 unlink ($filename);
1368                 goto UPLOADCA_ERROR;
1369         }
1370     }
1371
1372 ###
1373 ### Upload CA Certificate
1374 ###
1375 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'upload ca certificate'}) {
1376     &General::readhasharray("${General::swroot}/ovpn/caconfig", \%cahash);
1377
1378     if ($cgiparams{'CA_NAME'} !~ /^[a-zA-Z0-9]+$/) {
1379         $errormessage = $Lang::tr{'name must only contain characters'};
1380         goto UPLOADCA_ERROR;
1381     }
1382
1383     if (length($cgiparams{'CA_NAME'}) >60) {
1384         $errormessage = $Lang::tr{'name too long'};
1385         goto VPNCONF_ERROR;
1386     }
1387
1388     if ($cgiparams{'CA_NAME'} eq 'ca') {
1389         $errormessage = $Lang::tr{'name is invalid'};
1390         goto UPLOAD_CA_ERROR;
1391     }
1392
1393     # Check if there is no other entry with this name
1394     foreach my $key (keys %cahash) {
1395         if ($cahash{$key}[0] eq $cgiparams{'CA_NAME'}) {
1396             $errormessage = $Lang::tr{'a ca certificate with this name already exists'};
1397             goto UPLOADCA_ERROR;
1398         }
1399     }
1400
1401     if (ref ($cgiparams{'FH'}) ne 'Fh') {
1402         $errormessage = $Lang::tr{'there was no file upload'};
1403         goto UPLOADCA_ERROR;
1404     }
1405     # Move uploaded ca to a temporary file
1406     (my $fh, my $filename) = tempfile( );
1407     if (copy ($cgiparams{'FH'}, $fh) != 1) {
1408         $errormessage = $!;
1409         goto UPLOADCA_ERROR;
1410     }
1411     my $temp = `/usr/bin/openssl x509 -text -in $filename`;
1412     if ($temp !~ /CA:TRUE/i) {
1413         $errormessage = $Lang::tr{'not a valid ca certificate'};
1414         unlink ($filename);
1415         goto UPLOADCA_ERROR;
1416     } else {
1417         move($filename, "${General::swroot}/ovpn/ca/$cgiparams{'CA_NAME'}cert.pem");
1418         if ($? ne 0) {
1419             $errormessage = "$Lang::tr{'certificate file move failed'}: $!";
1420             unlink ($filename);
1421             goto UPLOADCA_ERROR;
1422         }
1423     }
1424
1425     my $casubject = `/usr/bin/openssl x509 -text -in ${General::swroot}/ovpn/ca/$cgiparams{'CA_NAME'}cert.pem`;
1426     $casubject    =~ /Subject: (.*)[\n]/;
1427     $casubject    = $1;
1428     $casubject    =~ s+/Email+, E+;
1429     $casubject    =~ s/ ST=/ S=/;
1430     $casubject    = &Header::cleanhtml($casubject);
1431
1432     my $key = &General::findhasharraykey (\%cahash);
1433     $cahash{$key}[0] = $cgiparams{'CA_NAME'};
1434     $cahash{$key}[1] = $casubject;
1435     &General::writehasharray("${General::swroot}/ovpn/caconfig", \%cahash);
1436 #    system('/usr/local/bin/ipsecctrl', 'R');
1437
1438     UPLOADCA_ERROR:
1439
1440 ###
1441 ### Display ca certificate
1442 ###
1443 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'show ca certificate'}) {
1444     &General::readhasharray("${General::swroot}/ovpn/caconfig", \%cahash);
1445
1446     if ( -f "${General::swroot}/ovpn/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem") {
1447         &Header::showhttpheaders();
1448         &Header::openpage($Lang::tr{'ovpn'}, 1, '');
1449         &Header::openbigbox('100%', 'LEFT', '', $errormessage);
1450         &Header::openbox('100%', 'LEFT', "$Lang::tr{'ca certificate'}:");
1451         my $output = `/usr/bin/openssl x509 -text -in ${General::swroot}/ovpn/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem`;
1452         $output = &Header::cleanhtml($output,"y");
1453         print "<pre>$output</pre>\n";
1454         &Header::closebox();
1455         print "<div align='center'><a href='/cgi-bin/ovpnmain.cgi'>$Lang::tr{'back'}</a></div>";
1456         &Header::closebigbox();
1457         &Header::closepage();
1458         exit(0);
1459     } else {
1460         $errormessage = $Lang::tr{'invalid key'};
1461     }
1462
1463 ###
1464 ### Download ca certificate
1465 ###
1466 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'download ca certificate'}) {
1467     &General::readhasharray("${General::swroot}/ovpn/caconfig", \%cahash);
1468
1469     if ( -f "${General::swroot}/ovpn/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem" ) {
1470         print "Content-Type: application/octet-stream\r\n";
1471         print "Content-Disposition: filename=$cahash{$cgiparams{'KEY'}}[0]cert.pem\r\n\r\n";
1472         print `/usr/bin/openssl x509 -in ${General::swroot}/ovpn/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem`;
1473         exit(0);
1474     } else {
1475         $errormessage = $Lang::tr{'invalid key'};
1476     }
1477
1478 ###
1479 ### Remove ca certificate (step 2)
1480 ###
1481 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'remove ca certificate'} && $cgiparams{'AREUSURE'} eq 'yes') {
1482     &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
1483     &General::readhasharray("${General::swroot}/ovpn/caconfig", \%cahash);
1484
1485     if ( -f "${General::swroot}/ovpn/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem" ) {
1486         foreach my $key (keys %confighash) {
1487             my $test = `/usr/bin/openssl verify -CAfile ${General::swroot}/ovpn/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem ${General::swroot}/ovpn/certs/$confighash{$key}[1]cert.pem`;
1488             if ($test =~ /: OK/) {
1489                 # Delete connection
1490 #               if ($vpnsettings{'ENABLED'} eq 'on' ||
1491 #                   $vpnsettings{'ENABLED_BLUE'} eq 'on') {
1492 #                   system('/usr/local/bin/ipsecctrl', 'D', $key);
1493 #               }
1494                 unlink ("${General::swroot}/ovpn//certs/$confighash{$key}[1]cert.pem");
1495                 unlink ("${General::swroot}/ovpn/certs/$confighash{$key}[1].p12");
1496                 delete $confighash{$key};
1497                 &General::writehasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
1498 #               &writeipsecfiles();
1499             }
1500         }
1501         unlink ("${General::swroot}/ovpn/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem");
1502         delete $cahash{$cgiparams{'KEY'}};
1503         &General::writehasharray("${General::swroot}/ovpn/caconfig", \%cahash);
1504 #       system('/usr/local/bin/ipsecctrl', 'R');
1505     } else {
1506         $errormessage = $Lang::tr{'invalid key'};
1507     }
1508 ###
1509 ### Remove ca certificate (step 1)
1510 ###
1511 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'remove ca certificate'}) {
1512     &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
1513     &General::readhasharray("${General::swroot}/ovpn/caconfig", \%cahash);
1514
1515     my $assignedcerts = 0;
1516     if ( -f "${General::swroot}/ovpn/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem" ) {
1517         foreach my $key (keys %confighash) {
1518             my $test = `/usr/bin/openssl verify -CAfile ${General::swroot}/ovpn/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem ${General::swroot}/ovpn/certs/$confighash{$key}[1]cert.pem`;
1519             if ($test =~ /: OK/) {
1520                 $assignedcerts++;
1521             }
1522         }
1523         if ($assignedcerts) {
1524             &Header::showhttpheaders();
1525             &Header::openpage($Lang::tr{'ovpn'}, 1, '');
1526             &Header::openbigbox('100%', 'LEFT', '', $errormessage);
1527             &Header::openbox('100%', 'LEFT', $Lang::tr{'are you sure'});
1528             print <<END;
1529                 <table><form method='post'><input type='hidden' name='AREUSURE' value='yes' />
1530                        <input type='hidden' name='KEY' value='$cgiparams{'KEY'}' />
1531                     <tr><td align='center'>
1532                         <b><font color='${Header::colourred}'>$Lang::tr{'capswarning'}</font></b>: $assignedcerts
1533                         $Lang::tr{'connections are associated with this ca.  deleting the ca will delete these connections as well.'}
1534                     <tr><td align='center'><input type='submit' name='ACTION' value='$Lang::tr{'remove ca certificate'}' />
1535                         <input type='submit' name='ACTION' value='$Lang::tr{'cancel'}' /></td></tr>
1536                 </form></table>
1537 END
1538             ;
1539             &Header::closebox();
1540             &Header::closebigbox();
1541             &Header::closepage();
1542             exit (0);
1543         } else {
1544             unlink ("${General::swroot}/ovpn/ca/$cahash{$cgiparams{'KEY'}}[0]cert.pem");
1545             delete $cahash{$cgiparams{'KEY'}};
1546             &General::writehasharray("${General::swroot}/ovpn/caconfig", \%cahash);
1547 #           system('/usr/local/bin/ipsecctrl', 'R');
1548         }
1549     } else {
1550         $errormessage = $Lang::tr{'invalid key'};
1551     }
1552
1553 ###
1554 ### Display root certificate
1555 ###
1556 }elsif ($cgiparams{'ACTION'} eq $Lang::tr{'show root certificate'} ||
1557     $cgiparams{'ACTION'} eq $Lang::tr{'show host certificate'}) {
1558     my $output;
1559     &Header::showhttpheaders();
1560     &Header::openpage($Lang::tr{'ovpn'}, 1, '');
1561     &Header::openbigbox('100%', 'LEFT', '', '');
1562     if ($cgiparams{'ACTION'} eq $Lang::tr{'show root certificate'}) {
1563         &Header::openbox('100%', 'LEFT', "$Lang::tr{'root certificate'}:");
1564         $output = `/usr/bin/openssl x509 -text -in ${General::swroot}/ovpn/ca/cacert.pem`;
1565     } else {
1566         &Header::openbox('100%', 'LEFT', "$Lang::tr{'host certificate'}:");
1567         $output = `/usr/bin/openssl x509 -text -in ${General::swroot}/ovpn/certs/servercert.pem`;
1568     }
1569     $output = &Header::cleanhtml($output,"y");
1570     print "<pre>$output</pre>\n";
1571     &Header::closebox();
1572     print "<div align='center'><a href='/cgi-bin/ovpnmain.cgi'>$Lang::tr{'back'}</a></div>";
1573     &Header::closebigbox();
1574     &Header::closepage();
1575     exit(0);
1576
1577 ###
1578 ### Download root certificate
1579 ###
1580 }elsif ($cgiparams{'ACTION'} eq $Lang::tr{'download root certificate'}) {
1581     if ( -f "${General::swroot}/ovpn/ca/cacert.pem" ) {
1582         print "Content-Type: application/octet-stream\r\n";
1583         print "Content-Disposition: filename=cacert.pem\r\n\r\n";
1584         print `/usr/bin/openssl x509 -in ${General::swroot}/ovpn/ca/cacert.pem`;
1585         exit(0);
1586     }
1587
1588 ###
1589 ### Download host certificate
1590 ###
1591 }elsif ($cgiparams{'ACTION'} eq $Lang::tr{'download host certificate'}) {
1592     if ( -f "${General::swroot}/ovpn/certs/servercert.pem" ) {
1593         print "Content-Type: application/octet-stream\r\n";
1594         print "Content-Disposition: filename=servercert.pem\r\n\r\n";
1595         print `/usr/bin/openssl x509 -in ${General::swroot}/ovpn/certs/servercert.pem`;
1596         exit(0);
1597     }
1598 ###
1599 ### Form for generating a root certificate
1600 ###
1601 }elsif ($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 $Lang::tr{'upload p12 file'}) {
1622
1623         if (ref ($cgiparams{'FH'}) ne 'Fh') {
1624             $errormessage = $Lang::tr{'there was no file upload'};
1625             goto ROOTCERT_ERROR;
1626         }
1627
1628         # Move uploaded certificate request to a temporary file
1629         (my $fh, my $filename) = tempfile( );
1630         if (copy ($cgiparams{'FH'}, $fh) != 1) {
1631             $errormessage = $!;
1632             goto ROOTCERT_ERROR;
1633         }
1634
1635         # Create a temporary dirctory
1636         my $tempdir = tempdir( CLEANUP => 1 );
1637
1638         # Extract the CA certificate from the file
1639         my $pid = open(OPENSSL, "|-");
1640         $SIG{ALRM} = sub { $errormessage = $Lang::tr{'broken pipe'}; goto ROOTCERT_ERROR;};
1641         if ($pid) {     # parent
1642             if ($cgiparams{'P12_PASS'} ne '') {
1643                 print OPENSSL "$cgiparams{'P12_PASS'}\n";
1644             }
1645             close (OPENSSL);
1646             if ($?) {
1647                 $errormessage = "$Lang::tr{'openssl produced an error'}: $?";
1648                 unlink ($filename);
1649                 goto ROOTCERT_ERROR;
1650             }
1651         } else {        # child
1652             unless (exec ('/usr/bin/openssl', 'pkcs12', '-cacerts', '-nokeys',
1653                     '-in', $filename,
1654                     '-out', "$tempdir/cacert.pem")) {
1655                 $errormessage = "$Lang::tr{'cant start openssl'}: $!";
1656                 unlink ($filename);
1657                 goto ROOTCERT_ERROR;
1658             }
1659         }
1660
1661         # Extract the Host certificate from the file
1662         $pid = open(OPENSSL, "|-");
1663         $SIG{ALRM} = sub { $errormessage = $Lang::tr{'broken pipe'}; goto ROOTCERT_ERROR;};
1664         if ($pid) {     # parent
1665             if ($cgiparams{'P12_PASS'} ne '') {
1666                 print OPENSSL "$cgiparams{'P12_PASS'}\n";
1667             }
1668             close (OPENSSL);
1669             if ($?) {
1670                 $errormessage = "$Lang::tr{'openssl produced an error'}: $?";
1671                 unlink ($filename);
1672                 goto ROOTCERT_ERROR;
1673             }
1674         } else {        # child
1675             unless (exec ('/usr/bin/openssl', 'pkcs12', '-clcerts', '-nokeys',
1676                     '-in', $filename,
1677                     '-out', "$tempdir/hostcert.pem")) {
1678                 $errormessage = "$Lang::tr{'cant start openssl'}: $!";
1679                 unlink ($filename);
1680                 goto ROOTCERT_ERROR;
1681             }
1682         }
1683
1684         # Extract the Host key from the file
1685         $pid = open(OPENSSL, "|-");
1686         $SIG{ALRM} = sub { $errormessage = $Lang::tr{'broken pipe'}; goto ROOTCERT_ERROR;};
1687         if ($pid) {     # parent
1688             if ($cgiparams{'P12_PASS'} ne '') {
1689                 print OPENSSL "$cgiparams{'P12_PASS'}\n";
1690             }
1691             close (OPENSSL);
1692             if ($?) {
1693                 $errormessage = "$Lang::tr{'openssl produced an error'}: $?";
1694                 unlink ($filename);
1695                 goto ROOTCERT_ERROR;
1696             }
1697         } else {        # child
1698             unless (exec ('/usr/bin/openssl', 'pkcs12', '-nocerts',
1699                     '-nodes',
1700                     '-in', $filename,
1701                     '-out', "$tempdir/serverkey.pem")) {
1702                 $errormessage = "$Lang::tr{'cant start openssl'}: $!";
1703                 unlink ($filename);
1704                 goto ROOTCERT_ERROR;
1705             }
1706         }
1707
1708         move("$tempdir/cacert.pem", "${General::swroot}/ovpn/ca/cacert.pem");
1709         if ($? ne 0) {
1710             $errormessage = "$Lang::tr{'certificate file move failed'}: $!";
1711             unlink ($filename);
1712             unlink ("${General::swroot}/ovpn/ca/cacert.pem");
1713             unlink ("${General::swroot}/ovpn/certs/servercert.pem");
1714             unlink ("${General::swroot}/ovpn/certs/serverkey.pem");
1715             goto ROOTCERT_ERROR;
1716         }
1717
1718         move("$tempdir/hostcert.pem", "${General::swroot}/ovpn/certs/servercert.pem");
1719         if ($? ne 0) {
1720             $errormessage = "$Lang::tr{'certificate file move failed'}: $!";
1721             unlink ($filename);
1722             unlink ("${General::swroot}/ovpn/ca/cacert.pem");
1723             unlink ("${General::swroot}/ovpn/certs/servercert.pem");
1724             unlink ("${General::swroot}/ovpn/certs/serverkey.pem");
1725             goto ROOTCERT_ERROR;
1726         }
1727
1728         move("$tempdir/serverkey.pem", "${General::swroot}/ovpn/certs/serverkey.pem");
1729         if ($? ne 0) {
1730             $errormessage = "$Lang::tr{'certificate file move failed'}: $!";
1731             unlink ($filename);
1732             unlink ("${General::swroot}/ovpn/ca/cacert.pem");
1733             unlink ("${General::swroot}/ovpn/certs/servercert.pem");
1734             unlink ("${General::swroot}/ovpn/certs/serverkey.pem");
1735             goto ROOTCERT_ERROR;
1736         }
1737
1738         goto ROOTCERT_SUCCESS;
1739
1740     } elsif ($cgiparams{'ROOTCERT_COUNTRY'} ne '') {
1741
1742         # Validate input since the form was submitted
1743         if ($cgiparams{'ROOTCERT_ORGANIZATION'} eq ''){
1744             $errormessage = $Lang::tr{'organization cant be empty'};
1745             goto ROOTCERT_ERROR;
1746         }
1747         if (length($cgiparams{'ROOTCERT_ORGANIZATION'}) >60) {
1748             $errormessage = $Lang::tr{'organization too long'};
1749             goto ROOTCERT_ERROR;
1750         }
1751         if ($cgiparams{'ROOTCERT_ORGANIZATION'} !~ /^[a-zA-Z0-9 ,\.\-_]*$/) {
1752             $errormessage = $Lang::tr{'invalid input for organization'};
1753             goto ROOTCERT_ERROR;
1754         }
1755         if ($cgiparams{'ROOTCERT_HOSTNAME'} eq ''){
1756             $errormessage = $Lang::tr{'hostname cant be empty'};
1757             goto ROOTCERT_ERROR;
1758         }
1759         unless (&General::validfqdn($cgiparams{'ROOTCERT_HOSTNAME'}) || &General::validip($cgiparams{'ROOTCERT_HOSTNAME'})) {
1760             $errormessage = $Lang::tr{'invalid input for hostname'};
1761             goto ROOTCERT_ERROR;
1762         }
1763         if ($cgiparams{'ROOTCERT_EMAIL'} ne '' && (! &General::validemail($cgiparams{'ROOTCERT_EMAIL'}))) {
1764             $errormessage = $Lang::tr{'invalid input for e-mail address'};
1765             goto ROOTCERT_ERROR;
1766         }
1767         if (length($cgiparams{'ROOTCERT_EMAIL'}) > 40) {
1768             $errormessage = $Lang::tr{'e-mail address too long'};
1769             goto ROOTCERT_ERROR;
1770         }
1771         if ($cgiparams{'ROOTCERT_OU'} ne '' && $cgiparams{'ROOTCERT_OU'} !~ /^[a-zA-Z0-9 ,\.\-_]*$/) {
1772             $errormessage = $Lang::tr{'invalid input for department'};
1773             goto ROOTCERT_ERROR;
1774         }
1775         if ($cgiparams{'ROOTCERT_CITY'} ne '' && $cgiparams{'ROOTCERT_CITY'} !~ /^[a-zA-Z0-9 ,\.\-_]*$/) {
1776             $errormessage = $Lang::tr{'invalid input for city'};
1777             goto ROOTCERT_ERROR;
1778         }
1779         if ($cgiparams{'ROOTCERT_STATE'} ne '' && $cgiparams{'ROOTCERT_STATE'} !~ /^[a-zA-Z0-9 ,\.\-_]*$/) {
1780             $errormessage = $Lang::tr{'invalid input for state or province'};
1781             goto ROOTCERT_ERROR;
1782         }
1783         if ($cgiparams{'ROOTCERT_COUNTRY'} !~ /^[A-Z]*$/) {
1784             $errormessage = $Lang::tr{'invalid input for country'};
1785             goto ROOTCERT_ERROR;
1786         }
1787
1788         # Copy the cgisettings to vpnsettings and save the configfile
1789         $vpnsettings{'ROOTCERT_ORGANIZATION'}   = $cgiparams{'ROOTCERT_ORGANIZATION'};
1790         $vpnsettings{'ROOTCERT_HOSTNAME'}       = $cgiparams{'ROOTCERT_HOSTNAME'};
1791         $vpnsettings{'ROOTCERT_EMAIL'}          = $cgiparams{'ROOTCERT_EMAIL'};
1792         $vpnsettings{'ROOTCERT_OU'}             = $cgiparams{'ROOTCERT_OU'};
1793         $vpnsettings{'ROOTCERT_CITY'}           = $cgiparams{'ROOTCERT_CITY'};
1794         $vpnsettings{'ROOTCERT_STATE'}          = $cgiparams{'ROOTCERT_STATE'};
1795         $vpnsettings{'ROOTCERT_COUNTRY'}        = $cgiparams{'ROOTCERT_COUNTRY'};
1796         &General::writehash("${General::swroot}/ovpn/settings", \%vpnsettings);
1797
1798         # Replace empty strings with a .
1799         (my $ou = $cgiparams{'ROOTCERT_OU'}) =~ s/^\s*$/\./;
1800         (my $city = $cgiparams{'ROOTCERT_CITY'}) =~ s/^\s*$/\./;
1801         (my $state = $cgiparams{'ROOTCERT_STATE'}) =~ s/^\s*$/\./;
1802
1803         # refresh
1804         #system ('/bin/touch', "${General::swroot}/ovpn/gencanow");
1805
1806         # Create the CA certificate
1807         my $pid = open(OPENSSL, "|-");
1808         $SIG{ALRM} = sub { $errormessage = $Lang::tr{'broken pipe'}; goto ROOTCERT_ERROR;};
1809         if ($pid) {     # parent
1810             print OPENSSL "$cgiparams{'ROOTCERT_COUNTRY'}\n";
1811             print OPENSSL "$state\n";
1812             print OPENSSL "$city\n";
1813             print OPENSSL "$cgiparams{'ROOTCERT_ORGANIZATION'}\n";
1814             print OPENSSL "$ou\n";
1815             print OPENSSL "$cgiparams{'ROOTCERT_ORGANIZATION'} CA\n";
1816             print OPENSSL "$cgiparams{'ROOTCERT_EMAIL'}\n";
1817             close (OPENSSL);
1818             if ($?) {
1819                 $errormessage = "$Lang::tr{'openssl produced an error'}: $?";
1820                 unlink ("${General::swroot}/ovpn/ca/cakey.pem");
1821                 unlink ("${General::swroot}/ovpn/ca/cacert.pem");
1822                 goto ROOTCERT_ERROR;
1823             }
1824         } else {        # child
1825             unless (exec ('/usr/bin/openssl', 'req', '-x509', '-nodes', '-rand', '/proc/interrupts:/proc/net/rt_cache',
1826                         '-days', '999999', '-newkey', 'rsa:4096', '-sha512',
1827                         '-keyout', "${General::swroot}/ovpn/ca/cakey.pem",
1828                         '-out', "${General::swroot}/ovpn/ca/cacert.pem",
1829                         '-config',"${General::swroot}/ovpn/openssl/ovpn.cnf")) {
1830                 $errormessage = "$Lang::tr{'cant start openssl'}: $!";
1831                 goto ROOTCERT_ERROR;
1832             }
1833         }
1834
1835         # Create the Host certificate request
1836         $pid = open(OPENSSL, "|-");
1837         $SIG{ALRM} = sub { $errormessage = $Lang::tr{'broken pipe'}; goto ROOTCERT_ERROR;};
1838         if ($pid) {     # parent
1839             print OPENSSL "$cgiparams{'ROOTCERT_COUNTRY'}\n";
1840             print OPENSSL "$state\n";
1841             print OPENSSL "$city\n";
1842             print OPENSSL "$cgiparams{'ROOTCERT_ORGANIZATION'}\n";
1843             print OPENSSL "$ou\n";
1844             print OPENSSL "$cgiparams{'ROOTCERT_HOSTNAME'}\n";
1845             print OPENSSL "$cgiparams{'ROOTCERT_EMAIL'}\n";
1846             print OPENSSL ".\n";
1847             print OPENSSL ".\n";
1848             close (OPENSSL);
1849             if ($?) {
1850                 $errormessage = "$Lang::tr{'openssl produced an error'}: $?";
1851                 unlink ("${General::swroot}/ovpn/certs/serverkey.pem");
1852                 unlink ("${General::swroot}/ovpn/certs/serverreq.pem");
1853                 goto ROOTCERT_ERROR;
1854             }
1855         } else {        # child
1856             unless (exec ('/usr/bin/openssl', 'req', '-nodes', '-rand', '/proc/interrupts:/proc/net/rt_cache',
1857                         '-newkey', 'rsa:2048',
1858                         '-keyout', "${General::swroot}/ovpn/certs/serverkey.pem",
1859                         '-out', "${General::swroot}/ovpn/certs/serverreq.pem",
1860                         '-extensions', 'server',
1861                         '-config', "${General::swroot}/ovpn/openssl/ovpn.cnf" )) {
1862                 $errormessage = "$Lang::tr{'cant start openssl'}: $!";
1863                 unlink ("${General::swroot}/ovpn/certs/serverkey.pem");
1864                 unlink ("${General::swroot}/ovpn/certs/serverreq.pem");
1865                 unlink ("${General::swroot}/ovpn/ca/cakey.pem");
1866                 unlink ("${General::swroot}/ovpn/ca/cacert.pem");
1867                 goto ROOTCERT_ERROR;
1868             }
1869         }
1870
1871         # Sign the host certificate request
1872         system('/usr/bin/openssl', 'ca', '-days', '999999',
1873                 '-batch', '-notext',
1874                 '-in',  "${General::swroot}/ovpn/certs/serverreq.pem",
1875                 '-out', "${General::swroot}/ovpn/certs/servercert.pem",
1876                 '-extensions', 'server',
1877                 '-config', "${General::swroot}/ovpn/openssl/ovpn.cnf");
1878         if ($?) {
1879             $errormessage = "$Lang::tr{'openssl produced an error'}: $?";
1880             unlink ("${General::swroot}/ovpn/ca/cakey.pem");
1881             unlink ("${General::swroot}/ovpn/ca/cacert.pem");
1882             unlink ("${General::swroot}/ovpn/serverkey.pem");
1883             unlink ("${General::swroot}/ovpn/certs/serverreq.pem");
1884             unlink ("${General::swroot}/ovpn/certs/servercert.pem");
1885             &newcleanssldatabase();
1886             goto ROOTCERT_ERROR;
1887         } else {
1888             unlink ("${General::swroot}/ovpn/certs/serverreq.pem");
1889             &deletebackupcert();
1890         }
1891
1892         # Create an empty CRL
1893         system('/usr/bin/openssl', 'ca', '-gencrl',
1894                 '-out', "${General::swroot}/ovpn/crls/cacrl.pem",
1895                 '-config', "${General::swroot}/ovpn/openssl/ovpn.cnf" );
1896         if ($?) {
1897             $errormessage = "$Lang::tr{'openssl produced an error'}: $?";
1898             unlink ("${General::swroot}/ovpn/certs/serverkey.pem");
1899             unlink ("${General::swroot}/ovpn/certs/servercert.pem");
1900             unlink ("${General::swroot}/ovpn/ca/cacert.pem");
1901             unlink ("${General::swroot}/ovpn/crls/cacrl.pem");
1902             &cleanssldatabase();
1903             goto ROOTCERT_ERROR;
1904 #       } else {
1905 #           &cleanssldatabase();
1906         }
1907         # Create Diffie Hellmann Parameter
1908         system('/usr/bin/openssl', 'dhparam', '-rand', '/proc/interrupts:/proc/net/rt_cache',
1909                '-out', "${General::swroot}/ovpn/ca/dh1024.pem", "$cgiparams{'DHLENGHT'}");
1910         if ($?) {
1911             $errormessage = "$Lang::tr{'openssl produced an error'}: $?";
1912             unlink ("${General::swroot}/ovpn/certs/serverkey.pem");
1913             unlink ("${General::swroot}/ovpn/certs/servercert.pem");
1914             unlink ("${General::swroot}/ovpn/ca/cacert.pem");
1915             unlink ("${General::swroot}/ovpn/crls/cacrl.pem");
1916             unlink ("${General::swroot}/ovpn/ca/dh1024.pem");
1917             &cleanssldatabase();
1918             goto ROOTCERT_ERROR;
1919 #       } else {
1920 #           &cleanssldatabase();
1921         }
1922         goto ROOTCERT_SUCCESS;
1923     }
1924     ROOTCERT_ERROR:
1925     if ($cgiparams{'ACTION'} ne '') {
1926         &Header::showhttpheaders();
1927         &Header::openpage($Lang::tr{'ovpn'}, 1, '');
1928         &Header::openbigbox('100%', 'LEFT', '', '');
1929         if ($errormessage) {
1930             &Header::openbox('100%', 'LEFT', $Lang::tr{'error messages'});
1931             print "<class name='base'>$errormessage";
1932             print "&nbsp;</class>";
1933             &Header::closebox();
1934         }
1935         &Header::openbox('100%', 'LEFT', "$Lang::tr{'generate root/host certificates'}:");
1936         print <<END;
1937         <form method='post' enctype='multipart/form-data'>
1938         <table width='100%' border='0' cellspacing='1' cellpadding='0'>
1939         <tr><td width='30%' class='base'>$Lang::tr{'organization name'}:</td>
1940             <td width='35%' class='base' nowrap='nowrap'><input type='text' name='ROOTCERT_ORGANIZATION' value='$cgiparams{'ROOTCERT_ORGANIZATION'}' size='32' /></td>
1941             <td width='35%' colspan='2'>&nbsp;</td></tr>
1942         <tr><td class='base'>$Lang::tr{'ipfires hostname'}:</td>
1943             <td class='base' nowrap='nowrap'><input type='text' name='ROOTCERT_HOSTNAME' value='$cgiparams{'ROOTCERT_HOSTNAME'}' size='32' /></td>
1944             <td colspan='2'>&nbsp;</td></tr>
1945         <tr><td class='base'>$Lang::tr{'your e-mail'}:&nbsp;<img src='/blob.gif' alt'*' /></td>
1946             <td class='base' nowrap='nowrap'><input type='text' name='ROOTCERT_EMAIL' value='$cgiparams{'ROOTCERT_EMAIL'}' size='32' /></td>
1947             <td colspan='2'>&nbsp;</td></tr>
1948         <tr><td class='base'>$Lang::tr{'your department'}:&nbsp;<img src='/blob.gif' alt'*' /></td>
1949             <td class='base' nowrap='nowrap'><input type='text' name='ROOTCERT_OU' value='$cgiparams{'ROOTCERT_OU'}' size='32' /></td>
1950             <td colspan='2'>&nbsp;</td></tr>
1951         <tr><td class='base'>$Lang::tr{'city'}:&nbsp;<img src='/blob.gif' alt'*' /></td>
1952             <td class='base' nowrap='nowrap'><input type='text' name='ROOTCERT_CITY' value='$cgiparams{'ROOTCERT_CITY'}' size='32' /></td>
1953             <td colspan='2'>&nbsp;</td></tr>
1954         <tr><td class='base'>$Lang::tr{'state or province'}:&nbsp;<img src='/blob.gif' alt'*' /></td>
1955             <td class='base' nowrap='nowrap'><input type='text' name='ROOTCERT_STATE' value='$cgiparams{'ROOTCERT_STATE'}' size='32' /></td>
1956             <td colspan='2'>&nbsp;</td></tr>
1957         <tr><td class='base'>$Lang::tr{'country'}:</td>
1958             <td class='base'><select name='ROOTCERT_COUNTRY'>
1959
1960 END
1961         ;
1962         foreach my $country (sort keys %{Countries::countries}) {
1963             print "<option value='$Countries::countries{$country}'";
1964             if ( $Countries::countries{$country} eq $cgiparams{'ROOTCERT_COUNTRY'} ) {
1965                 print " selected='selected'";
1966             }
1967             print ">$country</option>";
1968         }
1969         print <<END;
1970             </select></td>
1971         <tr><td class='base'>$Lang::tr{'ovpn dh'}:</td>
1972                 <td class='base'><select name='DHLENGHT'>
1973                                 <option value='1024' $selected{'DHLENGHT'}{'1024'}>1024 $Lang::tr{'bit'}</option>
1974                                 <option value='2048' $selected{'DHLENGHT'}{'2048'}>2048 $Lang::tr{'bit'}</option>
1975                                 <option value='3072' $selected{'DHLENGHT'}{'3072'}>3072 $Lang::tr{'bit'}</option>
1976                                 <option value='4096' $selected{'DHLENGHT'}{'4096'}>4096 $Lang::tr{'bit'}</option>
1977                         </select>
1978                 </td>
1979         </tr>
1980
1981         <tr><td>&nbsp;</td>
1982             <td><input type='submit' name='ACTION' value='$Lang::tr{'generate root/host certificates'}' /></td>
1983             <td>&nbsp;</td><td>&nbsp;</td></tr>
1984         <tr><td class='base' colspan='4' align='left'>
1985             <img src='/blob.gif' valign='top' alt='*' />&nbsp;$Lang::tr{'this field may be blank'}</td></tr>
1986         <tr><td colspan='2'><br></td></tr>
1987         <table width='100%'>
1988         <tr>
1989                 <b><font color='${Header::colourred}'>$Lang::tr{'capswarning'}: </font></b>$Lang::tr{'ovpn generating the root and host certificates'}
1990                 <td class='base'>$Lang::tr{'dh key warn'}</td>
1991         </tr>
1992         <tr>
1993                 <td class='base'>$Lang::tr{'dh key warn1'}</td>
1994         </tr>
1995         <tr><td colspan='2'><br></td></tr>
1996         <tr>
1997         </table>
1998
1999         <table width='100%'>
2000         <tr><td colspan='4'><hr></td></tr>
2001         <tr><td class='base' nowrap='nowrap'>$Lang::tr{'upload p12 file'}:</td>
2002             <td nowrap='nowrap'><input type='file' name='FH' size='32'></td>
2003             <td colspan='2'>&nbsp;</td></tr>
2004         <tr><td class='base'>$Lang::tr{'pkcs12 file password'}:&nbsp;<img src='/blob.gif' alt='*' ></td>
2005             <td class='base' nowrap='nowrap'><input type='password' name='P12_PASS' value='$cgiparams{'P12_PASS'}' size='32' /></td>
2006             <td colspan='2'>&nbsp;</td></tr>
2007         <tr><td>&nbsp;</td>
2008             <td><input type='submit' name='ACTION' value='$Lang::tr{'upload p12 file'}' /></td>
2009             <td colspan='2'>&nbsp;</td></tr>
2010         <tr><td class='base' colspan='4' align='left'>
2011             <img src='/blob.gif' valign='top' al='*' >&nbsp;$Lang::tr{'this field may be blank'}</td></tr>
2012         </form></table>
2013 END
2014         ;
2015         &Header::closebox();
2016         print "<div align='center'><a href='/cgi-bin/ovpnmain.cgi'>$Lang::tr{'back'}</a></div>";
2017         &Header::closebigbox();
2018         &Header::closepage();
2019         exit(0)
2020     }
2021
2022     ROOTCERT_SUCCESS:
2023     system ("chmod 600 ${General::swroot}/ovpn/certs/serverkey.pem");
2024 #    if ($vpnsettings{'ENABLED'} eq 'on' ||
2025 #       $vpnsettings{'ENABLE_BLUE'} eq 'on') {
2026 #       system('/usr/local/bin/ipsecctrl', 'S');
2027 #    }
2028
2029 ###
2030 ### Enable/Disable connection
2031 ###
2032
2033 ###
2034 # m.a.d net2net
2035 ###
2036
2037 }elsif ($cgiparams{'ACTION'} eq $Lang::tr{'toggle enable disable'}) {
2038
2039     &General::readhash("${General::swroot}/ovpn/settings", \%vpnsettings);
2040     &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
2041 #    my $n2nactive = '';
2042     my $n2nactive = `/bin/ps ax|grep $confighash{$cgiparams{'KEY'}}[1]|grep -v grep|awk \'{print \$1}\'`;
2043
2044     if ($confighash{$cgiparams{'KEY'}}) {
2045                 if ($confighash{$cgiparams{'KEY'}}[0] eq 'off') {
2046                         $confighash{$cgiparams{'KEY'}}[0] = 'on';
2047                         &General::writehasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
2048
2049                         if ($confighash{$cgiparams{'KEY'}}[3] eq 'net'){
2050                  system('/usr/local/bin/openvpnctrl', '-sn2n', $confighash{$cgiparams{'KEY'}}[1]);
2051                         }
2052                 } else {
2053
2054                         $confighash{$cgiparams{'KEY'}}[0] = 'off';
2055                         &General::writehasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
2056
2057                         if ($confighash{$cgiparams{'KEY'}}[3] eq 'net'){
2058                     if ($n2nactive ne ''){
2059                                                 system('/usr/local/bin/openvpnctrl', '-kn2n', $confighash{$cgiparams{'KEY'}}[1]);
2060                                         }
2061
2062                         } else {
2063                   $errormessage = $Lang::tr{'invalid key'};
2064                         }
2065       }
2066   }
2067
2068 ###
2069 ### Download OpenVPN client package
2070 ###
2071
2072
2073 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'dl client arch'}) {
2074     &General::readhash("${General::swroot}/ovpn/settings", \%vpnsettings);
2075     &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
2076     my $file = '';
2077     my $clientovpn = '';
2078     my @fileholder;
2079     my $tempdir = tempdir( CLEANUP => 1 );
2080     my $zippath = "$tempdir/";
2081
2082 ###
2083 # m.a.d net2net
2084 ###
2085
2086 if ($confighash{$cgiparams{'KEY'}}[3] eq 'net'){
2087
2088         my $zipname = "$confighash{$cgiparams{'KEY'}}[1]-Client.zip";
2089         my $zippathname = "$zippath$zipname";
2090         $clientovpn = "$confighash{$cgiparams{'KEY'}}[1].conf";
2091         my @ovsubnettemp =  split(/\./,$confighash{$cgiparams{'KEY'}}[27]);
2092         my $ovsubnet =  "$ovsubnettemp[0].$ovsubnettemp[1].$ovsubnettemp[2]";
2093         my $tunmtu = '';
2094         my @remsubnet = split(/\//,$confighash{$cgiparams{'KEY'}}[8]);
2095         my $n2nfragment = '';
2096
2097     open(CLIENTCONF, ">$tempdir/$clientovpn") or die "Unable to open tempfile: $!";
2098     flock CLIENTCONF, 2;
2099
2100     my $zip = Archive::Zip->new();
2101    print CLIENTCONF "# IPFire n2n Open VPN Client Config by ummeegge und m.a.d\n";
2102    print CLIENTCONF "# \n";
2103    print CLIENTCONF "# User Security\n";
2104    print CLIENTCONF "user nobody\n";
2105    print CLIENTCONF "group nobody\n";
2106    print CLIENTCONF "persist-tun\n";
2107    print CLIENTCONF "persist-key\n";
2108    print CLIENTCONF "script-security 2\n";
2109    print CLIENTCONF "# IP/DNS for remote Server Gateway\n";
2110    print CLIENTCONF "remote $vpnsettings{'VPN_IP'}\n";
2111    print CLIENTCONF "float\n";
2112    print CLIENTCONF "# IP adresses of the VPN Subnet\n";
2113    print CLIENTCONF "ifconfig $ovsubnet.2 $ovsubnet.1\n";
2114    print CLIENTCONF "# Server Gateway Network\n";
2115    print CLIENTCONF "route $remsubnet[0] $remsubnet[1]\n";
2116    print CLIENTCONF "# tun Device\n";
2117    print CLIENTCONF "dev $vpnsettings{'DDEVICE'}\n";
2118    print CLIENTCONF "# Port and Protokoll\n";
2119    print CLIENTCONF "port $confighash{$cgiparams{'KEY'}}[29]\n";
2120
2121    if ($confighash{$cgiparams{'KEY'}}[28] eq 'tcp') {
2122    print CLIENTCONF "proto tcp-client\n";
2123    print CLIENTCONF "# Packet size\n";
2124    if ($confighash{$cgiparams{'KEY'}}[31] eq '') {$tunmtu = '1400'} else {$tunmtu = $confighash{$cgiparams{'KEY'}}[31]};
2125    print CLIENTCONF "tun-mtu $tunmtu\n";
2126    }
2127
2128    if ($confighash{$cgiparams{'KEY'}}[28] eq 'udp') {
2129    print CLIENTCONF "proto udp\n";
2130    print CLIENTCONF "# Paketsize\n";
2131    if ($confighash{$cgiparams{'KEY'}}[31] eq '') {$tunmtu = '1500'} else {$tunmtu = $confighash{$cgiparams{'KEY'}}[31]};
2132    print CLIENTCONF "tun-mtu $tunmtu\n";
2133    if ($confighash{$cgiparams{'KEY'}}[24] ne '') {print CLIENTCONF "fragment $confighash{$cgiparams{'KEY'}}[24]\n";}
2134    if ($confighash{$cgiparams{'KEY'}}[23] eq 'on') {print CLIENTCONF "mssfix\n";}
2135    }
2136    if (($confighash{$cgiparams{'KEY'}}[38] eq 'yes') ||
2137        ($confighash{$cgiparams{'KEY'}}[38] eq 'maybe') ||
2138        ($confighash{$cgiparams{'KEY'}}[38] eq 'no' )) {
2139         if (($confighash{$cgiparams{'KEY'}}[23] ne 'on') || ($confighash{$cgiparams{'KEY'}}[24] eq '')) {
2140                 if ($tunmtu eq '1500' ) {
2141                         print CLIENTCONF "mtu-disc $confighash{$cgiparams{'KEY'}}[38]\n";
2142                 }
2143         }
2144    }
2145    print CLIENTCONF "ns-cert-type server\n";
2146    print CLIENTCONF "# Auth. Client\n";
2147    print CLIENTCONF "tls-client\n";
2148    print CLIENTCONF "# Cipher\n";
2149    print CLIENTCONF "cipher $confighash{$cgiparams{'KEY'}}[40]\n";
2150     if ($confighash{$cgiparams{'KEY'}}[4] eq 'cert' && -f "${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1].p12") {
2151          print CLIENTCONF "pkcs12 ${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1].p12\r\n";
2152      $zip->addFile( "${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";
2153    }
2154    if ($confighash{$cgiparams{'KEY'}}[39] eq '') {
2155         print CLIENTCONF "# HMAC algorithm\n";
2156         print CLIENTCONF "auth SHA1\n";
2157    } else {
2158    print CLIENTCONF "# HMAC algorithm\n";
2159    print CLIENTCONF "auth $confighash{$cgiparams{'KEY'}}[39]\n";
2160    }
2161    if ($confighash{$cgiparams{'KEY'}}[30] eq 'on') {
2162    print CLIENTCONF "# Enable Compression\n";
2163    print CLIENTCONF "comp-lzo\r\n";
2164      }
2165    print CLIENTCONF "# Debug Level\n";
2166    print CLIENTCONF "verb 3\n";
2167    print CLIENTCONF "# Tunnel check\n";
2168    print CLIENTCONF "keepalive 10 60\n";
2169    print CLIENTCONF "# Start as daemon\n";
2170    print CLIENTCONF "daemon $confighash{$cgiparams{'KEY'}}[1]n2n\n";
2171    print CLIENTCONF "writepid /var/run/$confighash{$cgiparams{'KEY'}}[1]n2n.pid\n";
2172    print CLIENTCONF "# Activate Management Interface and Port\n";
2173    if ($confighash{$cgiparams{'KEY'}}[22] eq '') {print CLIENTCONF "management localhost $confighash{$cgiparams{'KEY'}}[29]\n"}
2174     else {print CLIENTCONF "management localhost $confighash{$cgiparams{'KEY'}}[22]\n"};
2175    print CLIENTCONF "# remsub $confighash{$cgiparams{'KEY'}}[11]\n";
2176
2177
2178     close(CLIENTCONF);
2179
2180     $zip->addFile( "$tempdir/$clientovpn", $clientovpn) or die "Can't add file $clientovpn\n";
2181     my $status = $zip->writeToFileNamed($zippathname);
2182
2183     open(DLFILE, "<$zippathname") or die "Unable to open $zippathname: $!";
2184     @fileholder = <DLFILE>;
2185     print "Content-Type:application/x-download\n";
2186     print "Content-Disposition:attachment;filename=$zipname\n\n";
2187     print @fileholder;
2188     exit (0);
2189 }
2190 else
2191 {
2192         my $zipname = "$confighash{$cgiparams{'KEY'}}[1]-TO-IPFire.zip";
2193         my $zippathname = "$zippath$zipname";
2194         $clientovpn = "$confighash{$cgiparams{'KEY'}}[1]-TO-IPFire.ovpn";
2195
2196 ###
2197 # m.a.d net2net
2198 ###
2199
2200     open(CLIENTCONF, ">$tempdir/$clientovpn") or die "Unable to open tempfile: $!";
2201     flock CLIENTCONF, 2;
2202
2203     my $zip = Archive::Zip->new();
2204
2205     print CLIENTCONF "#OpenVPN Client conf\r\n";
2206     print CLIENTCONF "tls-client\r\n";
2207     print CLIENTCONF "client\r\n";
2208     print CLIENTCONF "nobind\r\n";
2209     print CLIENTCONF "dev $vpnsettings{'DDEVICE'}\r\n";
2210     print CLIENTCONF "proto $vpnsettings{'DPROTOCOL'}\r\n";
2211
2212     # Check if we are using fragment, mssfix or mtu-disc and set MTU to 1500
2213     # or use configured value.
2214     if ($vpnsettings{FRAGMENT} ne '' && $vpnsettings{DPROTOCOL} ne 'tcp' )
2215         { print CLIENTCONF "$vpnsettings{'DDEVICE'}-mtu 1500\r\n"; }
2216     elsif ($vpnsettings{MSSFIX} eq 'on')
2217         { print CLIENTCONF "$vpnsettings{'DDEVICE'}-mtu 1500\r\n"; }
2218     elsif (($vpnsettings{'PMTU_DISCOVERY'} eq 'yes') ||
2219            ($vpnsettings{'PMTU_DISCOVERY'} eq 'maybe') ||
2220            ($vpnsettings{'PMTU_DISCOVERY'} eq 'no' ))
2221         { print CLIENTCONF "$vpnsettings{'DDEVICE'}-mtu 1500\r\n"; }
2222     else
2223         { print CLIENTCONF "$vpnsettings{'DDEVICE'}-mtu $vpnsettings{'DMTU'}\r\n"; }
2224
2225     if ( $vpnsettings{'ENABLED'} eq 'on'){
2226         print CLIENTCONF "remote $vpnsettings{'VPN_IP'} $vpnsettings{'DDEST_PORT'}\r\n";
2227         if ( $vpnsettings{'ENABLED_BLUE'} eq 'on' && (&haveBlueNet())){
2228             print CLIENTCONF "#Coment the above line and uncoment the next line, if you want to connect on the Blue interface\r\n";
2229             print CLIENTCONF ";remote $netsettings{'BLUE_ADDRESS'} $vpnsettings{'DDEST_PORT'}\r\n";
2230         }
2231         if ( $vpnsettings{'ENABLED_ORANGE'} eq 'on' && (&haveOrangeNet())){
2232             print CLIENTCONF "#Coment the above line and uncoment the next line, if you want to connect on the Orange interface\r\n";
2233             print CLIENTCONF ";remote $netsettings{'ORANGE_ADDRESS'} $vpnsettings{'DDEST_PORT'}\r\n";
2234         }
2235     } elsif ( $vpnsettings{'ENABLED_BLUE'} eq 'on' && (&haveBlueNet())){
2236         print CLIENTCONF "remote $netsettings{'BLUE_ADDRESS'} $vpnsettings{'DDEST_PORT'}\r\n";
2237         if ( $vpnsettings{'ENABLED_ORANGE'} eq 'on' && (&haveOrangeNet())){
2238             print CLIENTCONF "#Coment the above line and uncoment the next line, if you want to connect on the Orange interface\r\n";
2239             print CLIENTCONF ";remote $netsettings{'ORANGE_ADDRESS'} $vpnsettings{'DDEST_PORT'}\r\n";
2240         }
2241     } elsif ( $vpnsettings{'ENABLED_ORANGE'} eq 'on' && (&haveOrangeNet())){
2242         print CLIENTCONF "remote $netsettings{'ORANGE_ADDRESS'} $vpnsettings{'DDEST_PORT'}\r\n";
2243     }
2244
2245     if ($confighash{$cgiparams{'KEY'}}[4] eq 'cert' && -f "${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1].p12") {
2246         print CLIENTCONF "pkcs12 $confighash{$cgiparams{'KEY'}}[1].p12\r\n";
2247         $zip->addFile( "${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";
2248     } else {
2249         print CLIENTCONF "ca cacert.pem\r\n";
2250         print CLIENTCONF "cert $confighash{$cgiparams{'KEY'}}[1]cert.pem\r\n";
2251         print CLIENTCONF "key $confighash{$cgiparams{'KEY'}}[1].key\r\n";
2252         $zip->addFile( "${General::swroot}/ovpn/ca/cacert.pem", "cacert.pem")  or die "Can't add file cacert.pem\n";
2253         $zip->addFile( "${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";
2254     }
2255     print CLIENTCONF "cipher $vpnsettings{DCIPHER}\r\n";
2256     if ($vpnsettings{'DAUTH'} eq '') {
2257         print CLIENTCONF "";
2258     } else {
2259         print CLIENTCONF "auth $vpnsettings{'DAUTH'}\r\n";
2260     }
2261     if ($vpnsettings{'TLSAUTH'} eq 'on') {
2262         print CLIENTCONF "tls-auth ta.key 1\r\n";
2263         $zip->addFile( "${General::swroot}/ovpn/ca/ta.key", "ta.key")  or die "Can't add file ta.key\n";
2264     }
2265     if ($vpnsettings{DCOMPLZO} eq 'on') {
2266         print CLIENTCONF "comp-lzo\r\n";
2267     }
2268     print CLIENTCONF "verb 3\r\n";
2269     print CLIENTCONF "ns-cert-type server\r\n";
2270     print CLIENTCONF "tls-remote $vpnsettings{ROOTCERT_HOSTNAME}\r\n";
2271     if ($vpnsettings{MSSFIX} eq 'on') {
2272         print CLIENTCONF "mssfix\r\n";
2273     }
2274     if ($vpnsettings{FRAGMENT} ne '' && $vpnsettings{DPROTOCOL} ne 'tcp' ) {
2275         print CLIENTCONF "fragment $vpnsettings{'FRAGMENT'}\r\n";
2276     }
2277
2278     # Check if a valid operating mode has been choosen and use it.
2279     if (($vpnsettings{'PMTU_DISCOVERY'} eq 'yes') ||
2280         ($vpnsettings{'PMTU_DISCOVERY'} eq 'maybe') ||
2281         ($vpnsettings{'PMTU_DISCOVERY'} eq 'no' )) {
2282         if(($vpnsettings{MSSFIX} ne 'on') || ($vpnsettings{FRAGMENT} eq '')) {
2283                 print CLIENTCONF "mtu-disc $vpnsettings{'PMTU_DISCOVERY'}\r\n";
2284         }
2285     }
2286     close(CLIENTCONF);
2287
2288     $zip->addFile( "$tempdir/$clientovpn", $clientovpn) or die "Can't add file $clientovpn\n";
2289     my $status = $zip->writeToFileNamed($zippathname);
2290
2291     open(DLFILE, "<$zippathname") or die "Unable to open $zippathname: $!";
2292     @fileholder = <DLFILE>;
2293     print "Content-Type:application/x-download\n";
2294     print "Content-Disposition:attachment;filename=$zipname\n\n";
2295     print @fileholder;
2296     exit (0);
2297    }
2298
2299
2300
2301 ###
2302 ### Remove connection
2303 ###
2304
2305
2306 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'remove'}) {
2307     &General::readhash("${General::swroot}/ovpn/settings", \%vpnsettings);
2308     &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
2309
2310     if ($confighash{$cgiparams{'KEY'}}) {
2311 #       if ($vpnsettings{'ENABLED'} eq 'on' ||
2312 #           $vpnsettings{'ENABLED_BLUE'} eq 'on') {
2313 #           system('/usr/local/bin/ipsecctrl', 'D', $cgiparams{'KEY'});
2314 #       }
2315 #
2316         my $temp = `/usr/bin/openssl ca -revoke ${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1]cert.pem -config ${General::swroot}/ovpn/openssl/ovpn.cnf`;
2317
2318 ###
2319 # m.a.d net2net
2320 ###
2321
2322 if ($confighash{$cgiparams{'KEY'}}[3] eq 'net') {
2323         my $conffile = glob("${General::swroot}/ovpn/n2nconf/$confighash{$cgiparams{'KEY'}}[1]/$confighash{$cgiparams{'KEY'}}[1].conf");
2324         my $certfile = glob("${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1].p12");
2325         unlink ($certfile);
2326         unlink ($conffile);
2327
2328         if (-e "${General::swroot}/ovpn/n2nconf/$confighash{$cgiparams{'KEY'}}[1]") {
2329                 rmdir ("${General::swroot}/ovpn/n2nconf/$confighash{$cgiparams{'KEY'}}[1]") || die "Kann Verzeichnis nicht loeschen: $!";
2330         }
2331 }
2332
2333   unlink ("${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1]cert.pem");
2334   unlink ("${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1].p12");
2335
2336 # A.Marx CCD delete ccd files and routes
2337
2338
2339         if (-f "${General::swroot}/ovpn/ccd/$confighash{$cgiparams{'KEY'}}[2]")
2340         {
2341                 unlink "${General::swroot}/ovpn/ccd/$confighash{$cgiparams{'KEY'}}[2]";
2342         }
2343
2344         &General::readhasharray("${General::swroot}/ovpn/ccdroute", \%ccdroutehash);
2345         foreach my $key (keys %ccdroutehash) {
2346                 if ($ccdroutehash{$key}[0] eq $confighash{$cgiparams{'KEY'}}[1]){
2347                         delete $ccdroutehash{$key};
2348                 }
2349         }
2350         &General::writehasharray("${General::swroot}/ovpn/ccdroute", \%ccdroutehash);
2351
2352         &General::readhasharray("${General::swroot}/ovpn/ccdroute2", \%ccdroute2hash);
2353         foreach my $key (keys %ccdroute2hash) {
2354                 if ($ccdroute2hash{$key}[0] eq $confighash{$cgiparams{'KEY'}}[1]){
2355                         delete $ccdroute2hash{$key};
2356                 }
2357         }
2358         &General::writehasharray("${General::swroot}/ovpn/ccdroute2", \%ccdroute2hash);
2359         &writeserverconf;
2360
2361
2362 # CCD end
2363
2364
2365         delete $confighash{$cgiparams{'KEY'}};
2366         my $temp2 = `/usr/bin/openssl ca -gencrl -out ${General::swroot}/ovpn/crls/cacrl.pem -config ${General::swroot}/ovpn/openssl/ovpn.cnf`;
2367         &General::writehasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
2368
2369         #&writeserverconf();
2370     } else {
2371         $errormessage = $Lang::tr{'invalid key'};
2372     }
2373         &General::firewall_reload();
2374
2375 ###
2376 ### Download PKCS12 file
2377 ###
2378 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'download pkcs12 file'}) {
2379     &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
2380
2381     print "Content-Disposition: filename=" . $confighash{$cgiparams{'KEY'}}[1] . ".p12\r\n";
2382     print "Content-Type: application/octet-stream\r\n\r\n";
2383     print `/bin/cat ${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1].p12`;
2384     exit (0);
2385
2386 ###
2387 ### Display certificate
2388 ###
2389 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'show certificate'}) {
2390     &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
2391
2392     if ( -f "${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1]cert.pem") {
2393         &Header::showhttpheaders();
2394         &Header::openpage($Lang::tr{'ovpn'}, 1, '');
2395         &Header::openbigbox('100%', 'LEFT', '', '');
2396         &Header::openbox('100%', 'LEFT', "$Lang::tr{'certificate'}:");
2397         my $output = `/usr/bin/openssl x509 -text -in ${General::swroot}/ovpn/certs/$confighash{$cgiparams{'KEY'}}[1]cert.pem`;
2398         $output = &Header::cleanhtml($output,"y");
2399         print "<pre>$output</pre>\n";
2400         &Header::closebox();
2401         print "<div align='center'><a href='/cgi-bin/ovpnmain.cgi'>$Lang::tr{'back'}</a></div>";
2402         &Header::closebigbox();
2403         &Header::closepage();
2404         exit(0);
2405     }
2406
2407 ###
2408 ### Display Diffie-Hellman key
2409 ###
2410 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'show dh'}) {
2411
2412     if (! -e "${General::swroot}/ovpn/ca/dh1024.pem") {
2413         $errormessage = $Lang::tr{'not present'};
2414         } else {
2415                 &Header::showhttpheaders();
2416                 &Header::openpage($Lang::tr{'ovpn'}, 1, '');
2417                 &Header::openbigbox('100%', 'LEFT', '', '');
2418                 &Header::openbox('100%', 'LEFT', "$Lang::tr{'dh'}:");
2419                 my $output = `/usr/bin/openssl dhparam -text -in ${General::swroot}/ovpn/ca/dh1024.pem`;
2420                 $output = &Header::cleanhtml($output,"y");
2421                 print "<pre>$output</pre>\n";
2422                 &Header::closebox();
2423                 print "<div align='center'><a href='/cgi-bin/ovpnmain.cgi'>$Lang::tr{'back'}</a></div>";
2424                 &Header::closebigbox();
2425                 &Header::closepage();
2426                 exit(0);
2427     }
2428
2429 ###
2430 ### Display Certificate Revoke List
2431 ###
2432 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'show crl'}) {
2433 #    &General::readhasharray("${General::swroot}/ovpn/ovpnconfig", \%confighash);
2434
2435     if (! -e "${General::swroot}/ovpn/crls/cacrl.pem") {
2436         $errormessage = $Lang::tr{'not present'};
2437         } else {
2438         &Header::showhttpheaders();
2439         &Header::openpage($Lang::tr{'ovpn'}, 1, '');
2440         &Header::openbigbox('100%', 'LEFT', '', '');
2441         &Header::openbox('100%', 'LEFT', "$Lang::tr{'crl'}:");
2442         my $output = `/usr/bin/openssl crl -text -noout -in ${General::swroot}/ovpn/crls/cacrl.pem`;
2443         $output = &Header::cleanhtml($output,"y");
2444         print "<pre>$output</pre>\n";
2445         &Header::closebox();
2446         print "<div align='center'><a href='/cgi-bin/ovpnmain.cgi'>$Lang::tr{'back'}</a></div>";
2447         &Header::closebigbox();
2448         &Header::closepage();
2449         exit(0);
2450     }
2451
2452 ###
2453 ### Advanced Server Settings
2454 ###
2455
2456 } elsif ($cgiparams{'ACTION'} eq $Lang::tr{'advanced server'}) {
2457     %cgiparams = ();
2458     %cahash = ();
2459     %confighash = ();
2460     my $disabled;
2461     &General::readhash("${General::swroot}/ovpn/settings", \%cgiparams);
2462     read_routepushfile;
2463
2464
2465 #    if ($cgiparams{'CLIENT2CLIENT'} eq '') {
2466 #       $cgiparams{'CLIENT2CLIENT'} =  'on';
2467 #    }
2468 ADV_ERROR:
2469     if ($cgiparams{'MAX_CLIENTS'} eq '') {
2470         $cgiparams{'MAX_CLIENTS'} =  '100';
2471     }
2472     if ($cgiparams{'KEEPALIVE_1'} eq '') {
2473         $cgiparams{'KEEPALIVE_1'} =  '10';
2474     }
2475     if ($cgiparams{'KEEPALIVE_2'} eq '') {
2476         $cgiparams{'KEEPALIVE_2'} =  '60';
2477     }
2478     if ($cgiparams{'LOG_VERB'} eq '') {
2479         $cgiparams{'LOG_VERB'} =  '3';
2480     }
2481     if ($cgiparams{'PMTU_DISCOVERY'} eq '') {
2482         $cgiparams{'PMTU_DISCOVERY'} = 'off';
2483     }
2484     if ($cgiparams{'DAUTH'} eq '') {
2485         $cgiparams{'DAUTH'} = 'SHA1';
2486     }
2487     if ($cgiparams{'ENGINES'} eq '') {
2488         $cgiparams{'ENGINES'} = 'disabled';
2489     }
2490     if ($cgiparams{'TLSAUTH'} eq '') {
2491         $cgiparams{'TLSAUTH'} = 'off';
2492     }
2493     $checked{'CLIENT2CLIENT'}{'off'} = '';
2494     $checked{'CLIENT2CLIENT'}{'on'} = '';
2495     $checked{'CLIENT2CLIENT'}{$cgiparams{'CLIENT2CLIENT'}} = 'CHECKED';
2496     $checked{'REDIRECT_GW_DEF1'}{'off'} = '';
2497     $checked{'REDIRECT_GW_DEF1'}{'on'} = '';
2498     $checked{'REDIRECT_GW_DEF1'}{$cgiparams{'REDIRECT_GW_DEF1'}} = 'CHECKED';
2499     $checked{'MSSFIX'}{'off'} = '';
2500     $checked{'MSSFIX'}{'on'} = '';
2501     $checked{'MSSFIX'}{$cgiparams{'MSSFIX'}} = 'CHECKED';
2502     $checked{'PMTU_DISCOVERY'}{$cgiparams{'PMTU_DISCOVERY'}} = 'checked=\'checked\'';
2503     $selected{'LOG_VERB'}{'0'} = '';
2504     $selected{'LOG_VERB'}{'1'} = '';
2505     $selected{'LOG_VERB'}{'2'} = '';
2506     $selected{'LOG_VERB'}{'3'} = '';
2507     $selected{'LOG_VERB'}{'4'} = '';
2508     $selected{'LOG_VERB'}{'5'} = '';
2509     $selected{'LOG_VERB'}{'6'} = '';
2510     $selected{'LOG_VERB'}{'7'} = '';
2511     $selected{'LOG_VERB'}{'8'} = '';
2512     $selected{'LOG_VERB'}{'9'} = '';
2513     $selected{'LOG_VERB'}{'10'} = '';
2514     $selected{'LOG_VERB'}{'11'} = '';
2515     $selected{'LOG_VERB'}{$cgiparams{'LOG_VERB'}} = 'SELECTED';
2516     $selected{'DAUTH'}{'whirlpool'} = '';
2517     $selected{'DAUTH'}{'SHA512'} = '';
2518     $selected{'DAUTH'}{'SHA384'} = '';
2519     $selected{'DAUTH'}{'SHA256'} = '';
2520     $selected{'DAUTH'}{'SHA1'} = '';
2521     $selected{'DAUTH'}{$cgiparams{'DAUTH'}} = 'SELECTED';
2522     $checked{'TLSAUTH'}{'off'} = '';
2523     $checked{'TLSAUTH'}{'on'} = '';
2524     $checked{'TLSAUTH'}{$cgiparams{'TLSAUTH'}} = 'CHECKED';
2525     $selected{'ENGINES'}{'cryptodev'} = '';
2526     $selected{'ENGINES'}{'dynamic'} = '';
2527     $selected{'ENGINES'}{'aesni'} = '';
2528     $selected{'ENGINES'}{'padlock'} = '';
2529     $selected{'ENGINES'}{'disabled'} = '';
2530     $selected{'ENGINES'}{$cgiparams{'ENGINES'}} = 'SELECTED'