html/cgi-bin/outgoingfw.cgi

   1 #!/usr/bin/perl
   2 #
   3 # IPFire CGIs
   4 #
   5 # This code is distributed under the terms of the GPL
   6 #
   7 # (c) The IPFire Team
   8 #
   9
  10 use strict;
  11 # enable only the following on debugging purpose
  12 use warnings;
  13 use CGI::Carp 'fatalsToBrowser';
  14
  15 require '/var/ipfire/general-functions.pl';
  16 require "${General::swroot}/lang.pl";
  17 require "${General::swroot}/header.pl";
  18
  19 my %outfwsettings = ();
  20 my %checked = ();
  21 my %selected= () ;
  22 my %netsettings = ();
  23 my $errormessage = "";
  24 my $configentry = "";
  25 my @configs = ();
  26 my @configline = ();
  27 my $p2pentry = "";
  28 my @p2ps = ();
  29 my @p2pline = ();
  30
  31 my $configfile = "/var/ipfire/outgoing/rules";
  32 my $p2pfile = "/var/ipfire/outgoing/p2protocols";
  33
  34 &General::readhash("${General::swroot}/ethernet/settings", \%netsettings);
  35
  36 &Header::showhttpheaders();
  37
  38 ### Values that have to be initialized
  39 $outfwsettings{'ACTION'} = '';
  40 $outfwsettings{'VALID'} = 'yes';
  41 $outfwsettings{'EDIT'} = 'no';
  42 $outfwsettings{'NAME'} = '';
  43 $outfwsettings{'SNET'} = '';
  44 $outfwsettings{'SIP'} = '';
  45 $outfwsettings{'SPORT'} = '';
  46 $outfwsettings{'SMAC'} = '';
  47 $outfwsettings{'DIP'} = '';
  48 $outfwsettings{'DPORT'} = '';
  49 $outfwsettings{'PROT'} = '';
  50 $outfwsettings{'STATE'} = '';
  51 $outfwsettings{'DISPLAY_DIP'} = '';
  52 $outfwsettings{'DISPLAY_DPORT'} = '';
  53 $outfwsettings{'DISPLAY_SMAC'} = '';
  54 $outfwsettings{'DISPLAY_SIP'} = '';
  55 $outfwsettings{'POLICY'} = 'MODE0';
  56
  57 &General::readhash("${General::swroot}/outgoing/settings", \%outfwsettings);
  58 &Header::getcgihash(\%outfwsettings);
  59
  60 if ($outfwsettings{'POLICY'} eq 'MODE0'){ $selected{'POLICY'}{'MODE0'} = 'selected'; } else { $selected{'POLICY'}{'MODE0'} = ''; }
  61 if ($outfwsettings{'POLICY'} eq 'MODE1'){ $selected{'POLICY'}{'MODE1'} = 'selected'; } else { $selected{'POLICY'}{'MODE1'} = ''; }
  62 if ($outfwsettings{'POLICY'} eq 'MODE2'){ $selected{'POLICY'}{'MODE2'} = 'selected'; } else { $selected{'POLICY'}{'MODE2'} = ''; }
  63
  64 &Header::openpage('Ausgehende Firewall', 1, '');
  65 &Header::openbigbox('100%', 'left', '', $errormessage);
  66
  67 ############################################################################################################################
  68 ############################################################################################################################
  69
  70 if ($outfwsettings{'ACTION'} eq $Lang::tr{'reset'})
  71 {
  72         $outfwsettings{'POLICY'}='MODE0';
  73         unlink $configfile;
  74         system("/usr/bin/touch $configfile");
  75         &General::writehash("${General::swroot}/outgoing/settings", \%outfwsettings);
  76 }
  77 if ($outfwsettings{'ACTION'} eq $Lang::tr{'save'})
  78 {
  79         &General::writehash("${General::swroot}/outgoing/settings", \%outfwsettings);
  80 }
  81 if ($outfwsettings{'ACTION'} eq 'enable')
  82 {
  83         open( FILE, "< $p2pfile" ) or die "Unable to read $p2pfile";
  84         @p2ps = <FILE>;
  85         close FILE;
  86         open( FILE, "> $p2pfile" ) or die "Unable to write $p2pfile";
  87         foreach $p2pentry (sort @p2ps)
  88         {
  89                 @p2pline = split( /\;/, $p2pentry );
  90                 if ($p2pline[1] eq $outfwsettings{'P2PROT'}) {
  91                         print FILE "$p2pline[0];$p2pline[1];on;\n";
  92                 } else {
  93                         print FILE "$p2pline[0];$p2pline[1];$p2pline[2];\n";
  94                 }
  95         }
  96         close FILE;
  97 }
  98 if ($outfwsettings{'ACTION'} eq 'disable')
  99 {
 100         open( FILE, "< $p2pfile" ) or die "Unable to read $p2pfile";
 101         @p2ps = <FILE>;
 102         close FILE;
 103         open( FILE, "> $p2pfile" ) or die "Unable to write $p2pfile";
 104         foreach $p2pentry (sort @p2ps)
 105         {
 106                 @p2pline = split( /\;/, $p2pentry );
 107                 if ($p2pline[1] eq $outfwsettings{'P2PROT'}) {
 108                         print FILE "$p2pline[0];$p2pline[1];off;\n";
 109                 } else {
 110                         print FILE "$p2pline[0];$p2pline[1];$p2pline[2];\n";
 111                 }
 112         }
 113         close FILE;
 114 }
 115 if ($outfwsettings{'ACTION'} eq $Lang::tr{'edit'})
 116 {
 117         open( FILE, "< $configfile" ) or die "Unable to read $configfile";
 118         @configs = <FILE>;
 119         close FILE;
 120         open( FILE, "> $configfile" ) or die "Unable to write $configfile";
 121         foreach $configentry (sort @configs)
 122         {
 123                 @configline = split( /\;/, $configentry );
 124                 unless  (($configline[0] eq $outfwsettings{'STATE'}) &&
 125                         ($configline[1] eq $outfwsettings{'ENABLED'}) &&
 126                         ($configline[2] eq $outfwsettings{'SNET'}) &&
 127                         ($configline[3] eq $outfwsettings{'PROT'}) &&
 128                         ($configline[4] eq $outfwsettings{'NAME'}) &&
 129                         ($configline[5] eq $outfwsettings{'SIP'}) &&
 130                         ($configline[6] eq $outfwsettings{'SMAC'}) &&
 131                         ($configline[7] eq $outfwsettings{'DIP'}) &&
 132                         ($configline[8] eq $outfwsettings{'DPORT'}))
 133                 {
 134                         print FILE $configentry;
 135                 }
 136         }
 137         close FILE;
 138         $selected{'SNET'}{"$outfwsettings{'SNET'}"} = 'selected';
 139         $selected{'PROT'}{"$outfwsettings{'PROT'}"} = 'selected';
 140         &addrule();
 141         &Header::closebigbox();
 142         &Header::closepage();
 143         exit
 144 }
 145 if ($outfwsettings{'ACTION'} eq $Lang::tr{'delete'})
 146 {
 147         open( FILE, "< $configfile" ) or die "Unable to read $configfile";
 148         @configs = <FILE>;
 149         close FILE;
 150         open( FILE, "> $configfile" ) or die "Unable to write $configfile";
 151         foreach $configentry (sort @configs)
 152         {
 153                 @configline = split( /\;/, $configentry );
 154                 unless  (($configline[0] eq $outfwsettings{'STATE'}) &&
 155                         ($configline[1] eq $outfwsettings{'ENABLED'}) &&
 156                         ($configline[2] eq $outfwsettings{'SNET'}) &&
 157                         ($configline[3] eq $outfwsettings{'PROT'}) &&
 158                         ($configline[4] eq $outfwsettings{'NAME'}) &&
 159                         ($configline[5] eq $outfwsettings{'SIP'}) &&
 160                         ($configline[6] eq $outfwsettings{'SMAC'}) &&
 161                         ($configline[7] eq $outfwsettings{'DIP'}) &&
 162                         ($configline[8] eq $outfwsettings{'DPORT'}))
 163                 {
 164                         print FILE $configentry;
 165                 }
 166         }
 167         close FILE;
 168 }
 169 if ($outfwsettings{'ACTION'} eq $Lang::tr{'add'})
 170 {
 171         if ( $outfwsettings{'VALID'} eq 'yes' ) {
 172                 open( FILE, ">> $configfile" ) or die "Unable to write $configfile";
 173                 print FILE <<END
 174 $outfwsettings{'STATE'};$outfwsettings{'ENABLED'};$outfwsettings{'SNET'};$outfwsettings{'PROT'};$outfwsettings{'NAME'};$outfwsettings{'SIP'};$outfwsettings{'SMAC'};$outfwsettings{'DIP'};$outfwsettings{'DPORT'};
 175 END
 176 ;
 177                 close FILE;
 178         } else {
 179                 $outfwsettings{'ACTION'} = 'Add rule';
 180         }
 181 }
 182 if ($outfwsettings{'ACTION'} eq 'Add rule')
 183 {
 184         &addrule();
 185         exit
 186 }
 187
 188 &General::readhash("${General::swroot}/outgoing/settings", \%outfwsettings);
 189
 190 if ($errormessage) {
 191         &Header::openbox('100%', 'left', $Lang::tr{'error messages'});
 192         print "<class name='base'>$errormessage\n";
 193         print "&nbsp;</class>\n";
 194         &Header::closebox();
 195 }
 196
 197 ############################################################################################################################
 198 ############################################################################################################################
 199
 200 if ($outfwsettings{'POLICY'} ne 'MODE0'){
 201         &Header::openbox('100%', 'center', 'Rules');
 202                 print <<END
 203         <form method='post' action='$ENV{'SCRIPT_NAME'}'>
 204                 <input type='submit' name='ACTION' value='Add rule'>
 205         </form>
 206 END
 207 ;
 208         open( FILE, "< $configfile" ) or die "Unable to read $configfile";
 209         @configs = <FILE>;
 210         close FILE;
 211         if (@configs) {
 212                 print <<END
 213                 <hr>
 214                 <table border='0' width='100%' cellspacing='0'>
 215                 <tr bgcolor='white'>
 216                     <td width='14%'><b>Protokoll</b>
 217                     <td width='14%'><b>Netzwerk</b>
 218                     <td width='14%'><b>Ziel</b>
 219                     <td width='14%'><b>Anmerkung</b>
 220                     <td width='14%'><b>Politik</b>
 221                     <td width='30%'><b>Aktionen</b>
 222 END
 223 ;
 224                 foreach $configentry (sort @configs)
 225                         {
 226                                 @configline = split( /\;/, $configentry );
 227                                 $outfwsettings{'STATE'} = $configline[0];
 228                                 $outfwsettings{'ENABLED'} = $configline[1];
 229                                 $outfwsettings{'SNET'} = $configline[2];
 230                                 $outfwsettings{'PROT'} = $configline[3];
 231                                 $outfwsettings{'NAME'} = $configline[4];
 232                                 $outfwsettings{'SIP'} = $configline[5];
 233                                 $outfwsettings{'SMAC'} = $configline[6];
 234                                 $outfwsettings{'DIP'} = $configline[7];
 235                                 $outfwsettings{'DPORT'} = $configline[8];
 236                                 if ($outfwsettings{'DIP'} eq ''){ $outfwsettings{'DISPLAY_DIP'} = 'ALL'; } else { $outfwsettings{'DISPLAY_DIP'} = $outfwsettings{'DIP'}; }
 237                                 if ($outfwsettings{'DPORT'} eq ''){ $outfwsettings{'DISPLAY_DPORT'} = 'ALL'; } else { $outfwsettings{'DISPLAY_DPORT'} = $outfwsettings{'DPORT'}; }
 238                                 if ($outfwsettings{'STATE'} eq 'DENY'){ $outfwsettings{'DISPLAY_STATE'} = "<img src='/images/stock_stop.png' alt='DENY'>"; }
 239                                 if ($outfwsettings{'STATE'} eq 'ALLOW'){ $outfwsettings{'DISPLAY_STATE'} = "<img src='/images/stock_ok.png' alt='ALLOW'>"; }
 240                                 if ((($outfwsettings{'POLICY'} eq 'MODE1') && ($outfwsettings{'STATE'} eq 'ALLOW')) || (($outfwsettings{'POLICY'} eq 'MODE2') && ($outfwsettings{'STATE'} eq 'DENY'))){
 241                                         print <<END
 242                                         <tr bgcolor='#F0F0F0'>
 243                                             <td align='center'>$outfwsettings{'PROT'}
 244                                             <td align='center'>$outfwsettings{'SNET'}
 245                                             <td align='center'>$outfwsettings{'DISPLAY_DIP'}:$outfwsettings{'DISPLAY_DPORT'}
 246                                             <td align='center'>$outfwsettings{'NAME'}
 247                                             <td align='center'>$outfwsettings{'DISPLAY_STATE'}
 248                                             <td align='right'>
 249                                              <table border='0' cellpadding='0' cellspacing='0'><tr>
 250                                                 <td><form method='post' action='$ENV{'SCRIPT_NAME'}'>
 251                                                         <input type='hidden' name='PROT' value=$outfwsettings{'PROT'}>
 252                                                         <input type='hidden' name='STATE' value=$outfwsettings{'STATE'}>
 253                                                         <input type='hidden' name='SNET' value=$outfwsettings{'SNET'}>
 254                                                         <input type='hidden' name='DPORT' value=$outfwsettings{'DPORT'}>
 255                                                         <input type='hidden' name='DIP' value=$outfwsettings{'DIP'}>
 256                                                         <input type='hidden' name='SIP' value=$outfwsettings{'SIP'}>
 257                                                         <input type='hidden' name='NAME' value=$outfwsettings{'NAME'}>
 258                                                         <input type='hidden' name='SMAC' value=$outfwsettings{'SMAC'}>
 259                                                         <input type='hidden' name='ENABLED' value=$outfwsettings{'ENABLED'}>
 260                                                         <input type='hidden' name='ACTION' value=$Lang::tr{'edit'}>
 261                                                         <input type='image' src='/images/edit.gif' width="20" height="20" alt=$Lang::tr{'edit'}>
 262                                                 </form>
 263                                                 <td><form method='post' action='$ENV{'SCRIPT_NAME'}'>
 264                                                         <input type='hidden' name='PROT' value=$outfwsettings{'PROT'}>
 265                                                         <input type='hidden' name='STATE' value=$outfwsettings{'STATE'}>
 266                                                         <input type='hidden' name='SNET' value=$outfwsettings{'SNET'}>
 267                                                         <input type='hidden' name='DPORT' value=$outfwsettings{'DPORT'}>
 268                                                         <input type='hidden' name='DIP' value=$outfwsettings{'DIP'}>
 269                                                         <input type='hidden' name='SIP' value=$outfwsettings{'SIP'}>
 270                                                         <input type='hidden' name='NAME' value=$outfwsettings{'NAME'}>
 271                                                         <input type='hidden' name='SMAC' value=$outfwsettings{'SMAC'}>
 272                                                         <input type='hidden' name='ENABLED' value=$outfwsettings{'ENABLED'}>
 273                                                         <input type='hidden' name='ACTION' value=$Lang::tr{'delete'}>
 274                                                         <input type='image' src='/images/delete.gif' width="20" height="20" alt=$Lang::tr{'delete'}>
 275                                                 </form></table>
 276 END
 277 ;
 278                                         if (($outfwsettings{'SIP'}) || ($outfwsettings{'SMAC'})) {
 279                                                 unless ($outfwsettings{'SIP'}) { $outfwsettings{'DISPLAY_SIP'} = 'ALL'; } else { $outfwsettings{'DISPLAY_SIP'} = $outfwsettings{'SIP'}; }
 280                                                 unless ($outfwsettings{'SMAC'}) { $outfwsettings{'DISPLAY_SMAC'} = 'ALL'; } else { $outfwsettings{'DISPLAY_SMAC'} = $outfwsettings{'SMAC'}; }
 281                                                 print <<END
 282                                                 <tr><td width='14%' align='right'>Quell-IP-Adresse:
 283                                                     <td width='14%' align='left'>$outfwsettings{'DISPLAY_SIP'}
 284                                                     <td width='14%' align='right'>Quell-MAC-Adresse:
 285                                                     <td width='14%' align='left'>$outfwsettings{'DISPLAY_SMAC'}
 286                                                     <td width='44%' colspan='2' align='center'>
 287 END
 288 ;
 289                                         }
 290                                         print <<END
 291                                         </form>
 292 END
 293 ;
 294                                 }
 295                         }
 296                 print <<END
 297                 </table>
 298 END
 299 ;
 300
 301         }
 302         &Header::closebox();
 303 }
 304
 305 if ($outfwsettings{'POLICY'} eq 'MODE2'){
 306         open( FILE, "< $p2pfile" ) or die "Unable to read $p2pfile";
 307         @p2ps = <FILE>;
 308         close FILE;
 309         &Header::openbox('100%', 'center', 'P2P-Block');
 310         print <<END
 311         <table width='40%'>
 312                 <tr bgcolor='#FFFFFF'><td width='66%'><b>Protokoll</b>
 313                     <td width='33%'><b>Status</b>
 314 END
 315 ;
 316         my $id = 1;
 317         foreach $p2pentry (sort @p2ps)
 318         {
 319                 @p2pline = split( /\;/, $p2pentry );
 320                 print <<END
 321                         <form method='post' action='$ENV{'SCRIPT_NAME'}'>
 322 END
 323 ;
 324                 if ($id % 2) {
 325                         print "\t\t\t<tr bgcolor='#F0F0F0'>\n";
 326                 }
 327                 else {
 328                         print "\t\t\t<tr bgcolor='#FAFAFA'>\n";
 329                 }
 330                 $id++;
 331                 print <<END
 332                         <td width='66%' align='center'>$p2pline[0]:
 333                         <td width='33%' align='center'><input type='hidden' name='P2PROT' value=$p2pline[1]>
 334 END
 335 ;
 336                 if ($p2pline[2] eq 'on') {
 337                         print <<END
 338                                 <input type='hidden' name='ACTION' value='disable'>
 339                                 <input type='image' name='submit' src='/images/stock_ok.png' alt=''>
 340 END
 341 ;
 342                 } else {
 343                         print <<END
 344                                 <input type='hidden' name='ACTION' value='enable'>
 345                                 <input type='image' name='submit' src='/images/stock_stop.png' alt=''>
 346 END
 347 ;
 348                 }
 349                 print <<END
 350                         </form>
 351 END
 352 ;
 353         }
 354         print <<END
 355         <tr><td colspan='2' align='center'>Klicken Sie auf die Symbole um das entsprechende P2P-Netz zu (de-)aktivieren.
 356         </table>
 357 END
 358 ;
 359         &Header::closebox();
 360 }
 361
 362 &Header::openbox('100%', 'center', 'Policy');
 363 print <<END
 364         <form method='post' action='$ENV{'SCRIPT_NAME'}'>
 365         <table width='100%'>
 366                 <tr><td width='10%' align='right'><b>Modus 0:</b><td width='90%' align='left' colspan='2'>In diesem Modus ist es allen Rechnern im Netzwerk uneingeschraenkt moeglich Verbindungen ins Internet aufzubauen.
 367                 <tr><td width='10%' align='right'><b>Modus 1:</b><td width='90%' align='left' colspan='2'>In diesem Modus werden nur Verbindungen nach den oben definierten Regeln zugelassen.
 368                 <tr><td width='10%' align='right'><b>Modus 2:</b><td width='90%' align='left' colspan='2'>In diesem Modus werden saemtliche Verbindungen erlaubt, bis auf die oben definierten Block-Regeln.<br>Hier ist eine Besonderheit der P2P-Filter.
 369                 <tr><td colspan='3'><hr>
 370                 <tr><td width='10%' align='right'>      <select name='POLICY'><option value='MODE0' $selected{'POLICY'}{'MODE0'}>Modus 0</option><option value='MODE1' $selected{'POLICY'}{'MODE1'}>Modus 1</option><option value='MODE2' $selected{'POLICY'}{'MODE2'}>Modus 2</option></select>
 371                     <td width='45%' align='left'><input type='submit' name='ACTION' value=$Lang::tr{'save'}>
 372                     <td width='45%' align='right'>
 373 END
 374 ;
 375         if ($outfwsettings{'POLICY'} ne 'MODE0') {
 376                 print <<END
 377                     Alle Regeln loeschen: <input type='submit' name='ACTION' value=$Lang::tr{'reset'}>
 378 END
 379 ;
 380         }
 381 print <<END
 382         </table>
 383         </form>
 384 END
 385 ;
 386 &Header::closebox();
 387
 388 &Header::closebigbox();
 389 &Header::closepage();
 390
 391 ############################################################################################################################
 392 ############################################################################################################################
 393
 394 sub addrule
 395 {
 396         &Header::openbox('100%', 'center', 'Rules hinzufuegen');
 397         if ($outfwsettings{'EDIT'} eq 'no') { $selected{'ENABLED'} = 'checked'; }
 398         print <<END
 399         <form method='post' action='$ENV{'SCRIPT_NAME'}'>
 400         <table width='80%'>
 401                 <tr><td width='20%' align='right'>Anmerkung: <img src='/blob.gif'>
 402                     <td width='30%' align='left'><input type='text' name='NAME' maxlength='30' value='$outfwsettings{'NAME'}'>
 403                     <td width='20%' align='right'>Aktiviert:
 404                     <td width='30%' align='left'><input type='checkbox' name='ENABLED' $selected{'ENABLED'}>
 405                 <tr><td width='20%' align='right'>Protokoll:
 406                     <td width='30%' align='left'><select name='PROT'><option value='tcp' $selected{'PROT'}{'tcp'}>TCP</option><option value='tcp&udp' $selected{'PROT'}{'tcp&udp'}>TCP & UDP</option><option value='udp' $selected{'PROT'}{'udp'}>UDP</option></select>
 407                     <td width='20%' align='right'>Sicherheitspolitik:
 408                     <td width='30%' align='left'>
 409 END
 410 ;
 411         if ($outfwsettings{'POLICY'} eq 'MODE1'){
 412                 print "\t\t\tALLOW<input type='hidden' name='STATE' value='ALLOW'>\n";
 413         } elsif ($outfwsettings{'POLICY'} eq 'MODE2'){
 414                 print "\t\t\tDENY<input type='hidden' name='STATE' value='DENY'>\n";
 415         }
 416         print <<END
 417                 <tr><td width='20%' align='right'>Quellnetz:
 418                     <td width='30%' align='left'><select name='SNET'>
 419                         <option value='all' $selected{'SNET'}{'ALL'}>alle</option>
 420                         <option value='ip' $selected{'SNET'}{'ip'}>Quell-IP/MAC benutzen</option>
 421                         <option value='green' $selected{'SNET'}{'green'}>Gruen</option>
 422 END
 423 ;
 424         if (&Header::blue_used()){
 425                 print "\t\t\t<option value='blue' $selected{'SNET'}{'blue'}>Blau</option>\n";
 426         }
 427         if (&Header::orange_used()){
 428                 print "\t\t\t<option value='orange' $selected{'SNET'}{'orange'}>Orange</option>\n";
 429         }
 430         print <<END
 431                         </select>
 432                     <td width='20%' align='right'>Quell-IP-Adresse: <img src='/blob.gif'>
 433                     <td width='30%' align='left'><input type='text' name='SIP' maxlength='15' value='$outfwsettings{'SIP'}'>
 434                 <tr><td width='50%' colspan='2'>&nbsp;
 435                     <td width='20%' align='right'>Quell-MAC-Adresse: <img src='/blob.gif'>
 436                     <td width='30%' align='left'><input type='text' name='SMAC' maxlength='23' value='$outfwsettings{'SMAC'}'>
 437                 <tr><td width='20%' align='right'>Ziel-IP-Adresse: <img src='/blob.gif'>
 438                     <td width='30%' align='left'><input type='text' name='DIP' maxlength='15' value='$outfwsettings{'DIP'}'>
 439                     <td width='20%' align='right'>Ziel-Port: <img src='/blob.gif'>
 440                     <td width='30%' align='left'><input type='text' name='DPORT' maxlength='11' value='$outfwsettings{'DPORT'}'>
 441                 <tr><td colspan='4'>
 442                 <tr><td width='40%' align='right' colspan='2'><img src='/blob.gif'> $Lang::tr{'this field may be blank'}
 443                     <td width='60%' align='left' colspan='2'><input type='submit' name='ACTION' value=$Lang::tr{'add'}>
 444         </table></form>
 445 END
 446 ;
 447         &Header::closebox();
 448 }
 449