html/cgi-bin/connections.cgi

   1 #!/usr/bin/perl
   2 #
   3 # (c) 2001 Jack Beglinger <jackb_guppy@yahoo.com>
   4 #
   5 # (c) 2003 Dave Roberts <countzerouk@hotmail.com> - colour coded netfilter/iptables rewrite for 1.3
   6 #
   7 # (c) 2006 Franck - add sorting+filtering capability
   8 #
   9 # (c) 2006 Peter Schälchli -inetwork (bug)
  10 #
  11
  12 # Setup GREEN, ORANGE, IPFIRE, VPN CIDR networks, masklengths and colours only once
  13
  14 my @network=();
  15 my @masklen=();
  16 my @colour=();
  17
  18 use Net::IPv4Addr qw( :all );
  19
  20 use strict;
  21
  22 # enable only the following on debugging purpose
  23 use warnings;
  24 use CGI::Carp 'fatalsToBrowser';
  25
  26 require '/var/ipfire/general-functions.pl';
  27 require "${General::swroot}/lang.pl";
  28 require "${General::swroot}/header.pl";
  29
  30 #workaround to suppress a warning when a variable is used only once
  31 my @dummy = ( ${Header::table1colour} );
  32 undef (@dummy);
  33
  34 # Read various files
  35
  36 my %netsettings=();
  37 &General::readhash("${General::swroot}/ethernet/settings", \%netsettings);
  38
  39 open (ACTIVE, "/proc/net/ip_conntrack") or die 'Unable to open ip_conntrack';
  40 my @active = <ACTIVE>;
  41 close (ACTIVE);
  42
  43 my @vpn = ('none');
  44 open (ACTIVE, "/proc/net/ipsec_eroute") and @vpn = <ACTIVE>;
  45 close (ACTIVE);
  46
  47 my $aliasfile = "${General::swroot}/ethernet/aliases";
  48 open(ALIASES, $aliasfile) or die 'Unable to open aliases file.';
  49 my @aliases = <ALIASES>;
  50 close(ALIASES);
  51
  52 # Add Green Firewall Interface
  53 push(@network, $netsettings{'GREEN_ADDRESS'});
  54 push(@masklen, "255.255.255.255" );
  55 push(@colour, ${Header::colourfw} );
  56
  57 # Add Green Network to Array
  58 push(@network, $netsettings{'GREEN_NETADDRESS'});
  59 push(@masklen, $netsettings{'GREEN_NETMASK'} );
  60 push(@colour, ${Header::colourgreen} );
  61
  62 # Add Green Routes to Array
  63 my @routes = `/sbin/route -n | /bin/grep $netsettings{'GREEN_DEV'}`;
  64 foreach my $route (@routes) {
  65         chomp($route);
  66         my @temp = split(/[\t ]+/, $route);
  67         push(@network, $temp[0]);
  68         push(@masklen, $temp[2]);
  69         push(@colour, ${Header::colourgreen} );
  70 }
  71
  72 # Add Firewall Localhost 127.0.0.1
  73 push(@network, '127.0.0.1');
  74 push(@masklen, '255.255.255.255' );
  75 push(@colour, ${Header::colourfw} );
  76
  77 # Add Orange Network
  78 if ($netsettings{'ORANGE_DEV'}) {
  79         push(@network, $netsettings{'ORANGE_NETADDRESS'});
  80         push(@masklen, $netsettings{'ORANGE_NETMASK'} );
  81         push(@colour, ${Header::colourorange} );
  82         # Add Orange Routes to Array
  83         @routes = `/sbin/route -n | /bin/grep $netsettings{'ORANGE_DEV'}`;
  84         foreach my $route (@routes) {
  85                   chomp($route);
  86                 my @temp = split(/[\t ]+/, $route);
  87                 push(@network, $temp[0]);
  88                 push(@masklen, $temp[2]);
  89                 push(@colour, ${Header::colourorange} );
  90         }
  91 }
  92
  93 # Add Blue Firewall Interface
  94 push(@network, $netsettings{'BLUE_ADDRESS'});
  95 push(@masklen, "255.255.255.255" );
  96 push(@colour, ${Header::colourfw} );
  97
  98 # Add Blue Network
  99 if ($netsettings{'BLUE_DEV'}) {
 100         push(@network, $netsettings{'BLUE_NETADDRESS'});
 101         push(@masklen, $netsettings{'BLUE_NETMASK'} );
 102         push(@colour, ${Header::colourblue} );
 103         # Add Blue Routes to Array
 104         @routes = `/sbin/route -n | /bin/grep $netsettings{'BLUE_DEV'}`;
 105         foreach my $route (@routes) {
 106                   chomp($route);
 107                 my @temp = split(/[\t ]+/, $route);
 108                 push(@network, $temp[0]);
 109                 push(@masklen, $temp[2]);
 110                 push(@colour, ${Header::colourblue} );
 111         }
 112 }
 113
 114 # Add OpenVPN net and RED/BLUE/ORANGE entry (when appropriate)
 115 if (-e "${General::swroot}/ovpn/settings") {
 116     my %ovpnsettings = ();
 117     &General::readhash("${General::swroot}/ovpn/settings", \%ovpnsettings);
 118     my @tempovpnsubnet = split("\/",$ovpnsettings{'DOVPN_SUBNET'});
 119
 120     # add OpenVPN net
 121                 push(@network, $tempovpnsubnet[0]);
 122                 push(@masklen, $tempovpnsubnet[1]);
 123                 push(@colour, ${Header::colourovpn} );
 124
 125     if ( ($ovpnsettings{'ENABLED'} eq 'on') && open(IP, "${General::swroot}/red/local-ipaddress") ) {
 126       # add RED:port / proto
 127                   my $redip = <IP>;
 128                   close(IP);
 129                   chomp $redip;
 130                   push(@network, $redip );
 131                   push(@masklen, '255.255.255.255' );
 132                   push(@colour, ${Header::colourovpn} );
 133     }
 134     if ( ($ovpnsettings{'ENABLED_BLUE'} eq 'on') && $netsettings{'BLUE_DEV'} ) {
 135       # add BLUE:port / proto
 136             push(@network, $netsettings{'BLUE_ADDRESS'} );
 137             push(@masklen, '255.255.255.255' );
 138                   push(@colour, ${Header::colourovpn} );
 139     }
 140     if ( ($ovpnsettings{'ENABLED_ORANGE'} eq 'on') && $netsettings{'ORANGE_DEV'} ) {
 141       # add ORANGE:port / proto
 142             push(@network, $netsettings{'ORANGE_ADDRESS'} );
 143             push(@masklen, '255.255.255.255' );
 144                   push(@colour, ${Header::colourovpn} );
 145     }
 146 }
 147
 148 # Add STATIC RED aliases
 149 if ($netsettings{'RED_DEV'}) {
 150         # We have a RED eth iface
 151         if ($netsettings{'RED_TYPE'} eq 'STATIC') {
 152                 # We have a STATIC RED eth iface
 153                 foreach my $line (@aliases)
 154                 {
 155                         chomp($line);
 156                         my @temp = split(/\,/,$line);
 157                         if ( $temp[0] ) {
 158                                 push(@network, $temp[0]);
 159                                 push(@masklen, $netsettings{'RED_NETMASK'} );
 160                                 push(@colour, ${Header::colourfw} );
 161                         }
 162                 }
 163         }
 164 }
 165
 166 # Add VPNs
 167 if ( $vpn[0] ne 'none' ) {
 168         foreach my $line (@vpn) {
 169                 my @temp = split(/[\t ]+/,$line);
 170                 my @temp1 = split(/[\/:]+/,$temp[3]);
 171                 push(@network, $temp1[0]);
 172                 push(@masklen, ipv4_cidr2msk($temp1[1]));
 173                 push(@colour, ${Header::colourvpn} );
 174         }
 175 }
 176 if (open(IP, "${General::swroot}/red/local-ipaddress")) {
 177         my $redip = <IP>;
 178         close(IP);
 179         chomp $redip;
 180         push(@network, $redip);
 181         push(@masklen, '255.255.255.255' );
 182         push(@colour, ${Header::colourfw} );
 183 }
 184
 185
 186 #Establish simple filtering&sorting boxes on top of table
 187
 188 our %cgiparams;
 189 &Header::getcgihash(\%cgiparams);
 190
 191 my @list_proto = ($Lang::tr{'all'}, 'icmp', 'udp', 'tcp');
 192 my @list_state = ($Lang::tr{'all'}, 'SYN_SENT', 'SYN_RECV', 'ESTABLISHED', 'FIN_WAIT',
 193                     'CLOSE_WAIT', 'LAST_ACK', 'TIME_WAIT', 'CLOSE', 'LISTEN');
 194 my @list_mark = ($Lang::tr{'all'}, '[ASSURED]', '[UNREPLIED]');
 195 my @list_sort = ('orgsip','protocol', 'expires', 'status', 'orgdip', 'orgsp',
 196                     'orgdp', 'exsip', 'exdip', 'exsp', 'exdp', 'marked');
 197
 198 # init or silently correct unknown value...
 199 if ( ! grep ( /^$cgiparams{'SEE_PROTO'}$/ , @list_proto )) { $cgiparams{'SEE_PROTO'} = $list_proto[0] };
 200 if ( ! grep ( /^$cgiparams{'SEE_STATE'}$/ , @list_state )) { $cgiparams{'SEE_STATE'} = $list_state[0] };
 201 if ( ($cgiparams{'SEE_MARK'} ne $Lang::tr{'all'}) &&    # ok the grep should work but it doesn't because of
 202      ($cgiparams{'SEE_MARK'} ne '[ASSURED]') &&         # the '[' & ']' interpreted as list separator.
 203      ($cgiparams{'SEE_MARK'} ne '[UNREPLIED]')          # So, explicitly enumerate items.
 204    )  { $cgiparams{'SEE_MARK'}  = $list_mark[0] };
 205 if ( ! grep ( /^$cgiparams{'SEE_SORT'}$/  , @list_sort ))  { $cgiparams{'SEE_SORT'}  = $list_sort[0] };
 206 # *.*.*.* or a valid IP
 207 if ( $cgiparams{'SEE_SRC'}  !~ /^(\*\.\*\.\*\.\*\.|\d+\.\d+\.\d+\.\d+)$/) {  $cgiparams{'SEE_SRC'} = '*.*.*.*' };
 208 if ( $cgiparams{'SEE_DEST'} !~ /^(\*\.\*\.\*\.\*\.|\d+\.\d+\.\d+\.\d+)$/) {  $cgiparams{'SEE_DEST'} = '*.*.*.*' };
 209
 210
 211 our %entries = ();      # will hold the lines analyzed correctly
 212 my $unknownlines = '';  # should be empty all the time...
 213 my $index = 0;          # just a counter to make unique entryies in entries
 214
 215 foreach my $line (@active) {
 216         my $protocol='';
 217         my $expires='';
 218         my $status='';
 219         my $orgsip='';
 220         my $orgdip='';
 221         my $orgsp='';
 222         my $orgdp='';
 223         my $exsip='';
 224         my $exdip='';
 225         my $exsp='';
 226         my $exdp='';
 227         my $marked='';
 228         my $use='';
 229
 230         chomp($line);
 231         my @temp = split(' ',$line);
 232
 233            if ($temp[0] eq 'icmp') {
 234                 $protocol  = $temp[0];
 235                 $status    = $Lang::tr{'all'};
 236                 $orgsip   = substr $temp[3], 4;
 237                      $orgdip   = substr $temp[4], 4;
 238                      $marked   = $temp[8] eq '[UNREPLIED]' ? '[UNREPLIED]' : ' ';
 239               }
 240            if ($temp[0] eq 'udp') {
 241                 $protocol  = $temp[0];
 242                 $status  = $Lang::tr{'all'};
 243                 $orgsip = substr $temp[3], 4;
 244                      $orgdip  = substr $temp[4], 4;
 245                      $marked   = $temp[7] eq '[UNREPLIED]' ? '[UNREPLIED]' : defined ($temp[12]) ? $temp[11] : ' ';
 246               }
 247         if ($temp[0] eq 'tcp') {
 248                 $protocol  = $temp[0];
 249                 $status  = $temp[3];
 250                 $orgsip = substr $temp[4], 4;
 251                 $orgdip   = substr $temp[5], 4;
 252                      $marked   = $temp[8] eq '[UNREPLIED]' ? '[UNREPLIED]' : defined ($temp[13]) ? $temp[12] : ' ';
 253         }
 254
 255         # filter the line if we found a known proto
 256         next if( !(
 257                    (($cgiparams{'SEE_PROTO'}  eq $Lang::tr{'all'}) || ($protocol  eq $cgiparams{'SEE_PROTO'} ))
 258                 && (($cgiparams{'SEE_STATE'}  eq $Lang::tr{'all'}) || ($status    eq $cgiparams{'SEE_STATE'} ))
 259                 && (($cgiparams{'SEE_MARK'}   eq $Lang::tr{'all'}) || ($marked    eq $cgiparams{'SEE_MARK'}  ))
 260                 && (($cgiparams{'SEE_SRC'}    eq "*.*.*.*")        || ($orgsip    eq $cgiparams{'SEE_SRC'}   ))
 261                 && (($cgiparams{'SEE_DEST'}   eq "*.*.*.*")        || ($orgdip    eq $cgiparams{'SEE_DEST'}  ))
 262                 ));
 263
 264         if ($temp[0] eq 'icmp') {
 265                 my $offset = 0;
 266                     $protocol = $temp[0] . " (" . $temp[1] . ")";
 267                     $expires = $temp[2];
 268                 $status = ' ';
 269                     if ($temp[8] eq '[UNREPLIED]' ) {
 270                         $offset = +1;
 271                 }
 272                     $orgsip = substr $temp[3], 4;
 273                     $orgdip = substr $temp[4], 4;
 274                     $orgsp = &General::GetIcmpDescription(substr( $temp[5], 5)) . "/" . substr( $temp[6], 5);;
 275                     $orgdp = 'id=' . substr( $temp[7], 3);
 276                     $exsip = substr $temp[8 + $offset], 4;
 277                     $exdip = substr $temp[9 + $offset], 4;
 278                 $exsp = &General::GetIcmpDescription(substr( $temp[10 + $offset], 5)). "/" . substr( $temp[11 + $offset], 5);
 279                 $exdp = 'id=' . substr( $temp[11 + $offset], 5);
 280                      $marked   = $temp[8] eq '[UNREPLIED]' ? '[UNREPLIED]' : ' ';
 281                 $use = substr( $temp[13 + $offset], 4 );
 282         }
 283         if ($temp[0] eq 'udp') {
 284                 my $offset = 0;
 285                 $marked = '';
 286                 $protocol = $temp[0] . " (" . $temp[1] . ")";
 287                 $expires = $temp[2];
 288                 $status = ' ';
 289                 $orgsip = substr $temp[3], 4;
 290                 $orgdip = substr $temp[4], 4;
 291                 $orgsp = substr $temp[5], 6;
 292                 $orgdp = substr $temp[6], 6;
 293                 if ($temp[7] eq '[UNREPLIED]') {
 294                     $offset = 1;
 295                     $marked = $temp[7];
 296                     $use = substr $temp[12], 4;
 297                 } else {
 298                     if ((substr $temp[11], 0, 3) eq 'use' ) {
 299                         $marked = '';
 300                         $use = substr $temp[11], 4;
 301                     } else {
 302                         $marked = $temp[11];
 303                         $use = substr $temp[12], 4;
 304                     }
 305                 }
 306                 $exsip = substr $temp[7 + $offset], 4;
 307                 $exdip = substr $temp[8 + $offset], 4;
 308                 $exsp = substr $temp[9 + $offset], 6;
 309                 $exdp = substr $temp[10 + $offset], 6;
 310         }
 311         if ($temp[0] eq 'tcp') {
 312                 my $offset = 0;
 313                 $protocol = $temp[0] . " (" . $temp[1] . ")";
 314                 $expires = $temp[2];
 315                 $status = $temp[3];
 316                 $orgsip = substr $temp[4], 4;
 317                 $orgdip = substr $temp[5], 4;
 318                 $orgsp = substr $temp[6], 6;
 319                 $orgdp = substr $temp[7], 6;
 320                 if ($temp[8] eq '[UNREPLIED]') {
 321                         $marked = $temp[8];
 322                         $offset = 1;
 323                 } else {
 324                         $marked = $temp[12];
 325                 }
 326                 $exsip = substr $temp[8 + $offset], 4;
 327                 $exdip = substr $temp[9 + $offset], 4;
 328                 $exsp = substr $temp[10 + $offset], 6;
 329                 $exdp = substr $temp[11 + $offset], 6;
 330                 $use = substr $temp[13], 4;
 331         }
 332         if ($temp[0] eq 'unknown') {
 333                 my $offset = 0;
 334                 $protocol = "??? (" . $temp[1] . ")";
 335                 $protocol = "esp (" . $temp[1] . ")" if ($temp[1] == 50);
 336                 $protocol = "ah (" . $temp[1] . ")" if ($temp[1] == 51);
 337                 $expires = $temp[2];
 338                 $status = ' ';
 339                 $orgsip = substr $temp[3], 4;
 340                 $orgdip = substr $temp[4], 4;
 341                 $orgsp = ' ';
 342                 $orgdp = ' ';
 343                 $exsip = substr $temp[5], 4;
 344                 $exdip = substr $temp[6], 4;
 345                 $exsp = ' ';
 346                 $exdp = ' ';
 347                 $marked = ' ';
 348                 $use = ' ';
 349         }
 350         if ($temp[0] eq 'gre') {
 351                 my $offset = 0;
 352                 $protocol = $temp[0] . " (" . $temp[1] . ")";
 353                 $expires = $temp[2];
 354                 $orgsip = substr $temp[5], 4;
 355                 $orgdip = substr $temp[6], 4;
 356                 $orgsp = ' ';
 357                 $orgdp = ' ';
 358                 $exsip = substr $temp[11], 4;
 359                 $exdip = substr $temp[12], 4;
 360                 $exsp = ' ';
 361                 $exdp = ' ';
 362                 $marked = $temp[17];
 363                 $use = $temp[18];
 364         }
 365         # Only from this point, lines have the same known format/field
 366         # The floating fields [UNREPLIED] [ASSURED] etc are ok.
 367
 368         # Store the line in a hash array for sorting
 369         if ( $protocol ) { # line is decoded ?
 370                 my @record = (  'index', $index++,
 371                             'protocol', $protocol,
 372                             'expires',  $expires,
 373                             'status',   $status,
 374                             'orgsip',   $orgsip,
 375                             'orgdip',   $orgdip,
 376                             'orgsp',    $orgsp,
 377                             'orgdp',    $orgdp,
 378                             'exsip',    $exsip,
 379                             'exdip',    $exdip,
 380                             'exsp',     $exsp,
 381                             'exdp',     $exdp,
 382                             'marked',   $marked,
 383                             'use',      $use);
 384                 my $record = {};                                # create a reference to empty hash
 385                 %{$record} = @record;                   # populate that hash with @record
 386                 $entries{$record->{index}} = $record;   # add this to a hash of hashes
 387         } else { # it was not a known line
 388                 $unknownlines .= "<tr bgcolor='${Header::table1colour}'>";
 389                 $unknownlines .= "<td colspan='9'> unknown:$line></td></tr>";
 390         }
 391 }
 392
 393 # Build listbox objects
 394 my $menu_proto = &make_select ('SEE_PROTO', $cgiparams{'SEE_PROTO'}, @list_proto);
 395 my $menu_state = &make_select ('SEE_STATE', $cgiparams{'SEE_STATE'}, @list_state);
 396 my $menu_src   = &make_select ('SEE_SRC',   $cgiparams{'SEE_SRC'},   &get_known_ips('orgsip'));
 397 my $menu_dest  = &make_select ('SEE_DEST',  $cgiparams{'SEE_DEST'},  &get_known_ips('orgdip'));
 398 my $menu_mark  = &make_select ('SEE_MARK',  $cgiparams{'SEE_MARK'},  @list_mark);
 399 my $menu_sort  = &make_select ('SEE_SORT',  $cgiparams{'SEE_SORT'},  @list_sort);
 400
 401 &Header::showhttpheaders();
 402 &Header::openpage($Lang::tr{'connections'}, 1, '');
 403 &Header::openbigbox('100%', 'left');
 404 &Header::openbox('100%', 'left', $Lang::tr{'connection tracking'});
 405
 406 print <<END
 407 <form method='post' action='$ENV{'SCRIPT_NAME'}'>
 408 <table width='60%'>
 409 <tr><td align='center'><b>$Lang::tr{'legend'} : </b></td>
 410     <td align='center' bgcolor='${Header::colourgreen}'><b><font color='#FFFFFF'>$Lang::tr{'lan'}</font></b></td>
 411     <td align='center' bgcolor='${Header::colourred}'><b><font color='#FFFFFF'>$Lang::tr{'internet'}</font></b></td>
 412     <td align='center' bgcolor='${Header::colourorange}'><b><font color='#FFFFFF'>$Lang::tr{'dmz'}</font></b></td>
 413     <td align='center' bgcolor='${Header::colourblue}'><b><font color='#FFFFFF'>$Lang::tr{'wireless'}</font></b></td>
 414     <td align='center' bgcolor='${Header::colourfw}'><b><font color='#FFFFFF'>IPFire</font></b></td>
 415     <td align='center' bgcolor='${Header::colourvpn}'><b><font color='#FFFFFF'>$Lang::tr{'vpn'}</font></b></td>
 416     <td align='center' bgcolor='${Header::colourovpn}'><b><font color='#FFFFFF'>$Lang::tr{'OpenVPN'}</font></b></td>
 417 </tr>
 418 </table>
 419 <br />
 420 <table cellpadding='2'>
 421 <tr><td align='center'><b>$Lang::tr{'protocol'}</b></td>
 422     <td align='center'><b>$Lang::tr{'expires'}<br />($Lang::tr{'seconds'})</b></td>
 423     <td align='center'><b>$Lang::tr{'connection'}<br />$Lang::tr{'status'}</b></td>
 424     <td align='center'><b>$Lang::tr{'original'}<br />$Lang::tr{'source ip and port'}</b></td>
 425     <td align='center'><b>$Lang::tr{'original'}<br />$Lang::tr{'dest ip and port'}</b></td>
 426     <td align='center'><b>$Lang::tr{'expected'}<br />$Lang::tr{'source ip and port'}</b></td>
 427     <td align='center'><b>$Lang::tr{'expected'}<br />$Lang::tr{'dest ip and port'}</b></td>
 428     <td align='center'><b>$Lang::tr{'marked'}</b></td>
 429     <td align='center'><b>$Lang::tr{'use'}</b></td>
 430 </tr>
 431 <tr>
 432     <td align='center'>$menu_proto</td>
 433     <td>&nbsp;</td>
 434     <td align='center'>$menu_state</td>
 435     <td align='center'>$menu_src</td>
 436     <td align='center'>$menu_dest</td>
 437     <td align='center'colspan='2'>$Lang::tr{'sort ascending'}:$menu_sort </td>
 438     <td align='center'>$menu_mark</td>
 439     <td align='center'><input type='submit' value='!' /></td>
 440 </tr>
 441 END
 442 ;
 443
 444 foreach my $entry (sort sort_entries keys %entries) {
 445         my $orgsipcolour = &ipcolour( $entries{$entry}->{orgsip} );
 446         my $orgdipcolour = &ipcolour( $entries{$entry}->{orgdip} );
 447         my $exsipcolour  = &ipcolour( $entries{$entry}->{exsip} );
 448         my $exdipcolour  = &ipcolour( $entries{$entry}->{exdip} );
 449         print <<END
 450         <tr bgcolor='${Header::table1colour}'>
 451         <td align='center'>$entries{$entry}->{protocol}</td>
 452         <td align='center'>$entries{$entry}->{expires}</td>
 453         <td align='center'>$entries{$entry}->{status}</td>
 454         <td align='center' bgcolor='$orgsipcolour'>
 455             <a href='/cgi-bin/ipinfo.cgi?ip=$entries{$entry}->{orgsip}'>
 456             <font color='#FFFFFF'>$entries{$entry}->{orgsip}</font>
 457             </a><font color='#FFFFFF'>:$entries{$entry}->{orgsp}</font></td>
 458         <td align='center' bgcolor='$orgdipcolour'>
 459             <a href='/cgi-bin/ipinfo.cgi?ip=$entries{$entry}->{orgdip}'>
 460             <font color='#FFFFFF'>$entries{$entry}->{orgdip}</font>
 461             </a><font color='#FFFFFF'>:$entries{$entry}->{orgdp}</font></td>
 462         <td align='center' bgcolor='$exsipcolour'>
 463             <a href='/cgi-bin/ipinfo.cgi?ip=$entries{$entry}->{exsip}'>
 464             <font color='#FFFFFF'>$entries{$entry}->{exsip}</font>
 465             </a><font color='#FFFFFF'>:$entries{$entry}->{exsp}</font></td>
 466         <td align='center' bgcolor='$exdipcolour'>
 467             <a href='/cgi-bin/ipinfo.cgi?ip=$entries{$entry}->{exdip}'>
 468             <font color='#FFFFFF'>$entries{$entry}->{exdip}</font>
 469             </a><font color='#FFFFFF'>:$entries{$entry}->{exdp}</font></td>
 470         <td align='center'>$entries{$entry}->{marked}</td>
 471         <td align='center'>$entries{$entry}->{use}</td>
 472         </tr>
 473 END
 474 ;
 475 }
 476
 477 print "$unknownlines</table></form>";
 478
 479 &Header::closebox();
 480 &Header::closebigbox();
 481 &Header::closepage();
 482
 483 sub ipcolour($) {
 484         my $id = 0;
 485         my $line;
 486         my $colour = ${Header::colourred};
 487         my ($ip) = $_[0];
 488         my $found = 0;
 489         foreach $line (@network) {
 490                 if ($network[$id] eq '') {
 491                  $id++;
 492                 } else {
 493                     if (!$found && ipv4_in_network( $network[$id] , $masklen[$id], $ip) ) {
 494                         $found = 1;
 495                         $colour = $colour[$id];
 496                     }
 497                  $id++;
 498                 }
 499         }
 500         return $colour
 501 }
 502
 503 # Create a string containing a complete SELECT html object
 504 # param1: name
 505 # param2: current value selected
 506 # param3: field list
 507 sub make_select ($,$,$) {
 508         my $select_name = shift;
 509         my $selected    = shift;
 510         my $select = "<select name='$select_name'>";
 511
 512         foreach my $value (@_) {
 513                     my $check = $selected eq $value ? "selected='selected'" : '';
 514                     $select .= "<option $check value='$value'>$value</option>";
 515         }
 516         $select .= "</select>";
 517         return $select;
 518 }
 519
 520 # Build a list of IP obtained from the %entries hash
 521 # param1: IP field name
 522 sub get_known_ips ($) {
 523         my $field = shift;
 524         my $qs = $cgiparams{'SEE_SORT'};        # switch the sort order
 525         $cgiparams{'SEE_SORT'} = $field;
 526
 527         my @liste=('*.*.*.*');
 528         foreach my $entry ( sort sort_entries keys %entries) {
 529                     push (@liste, $entries{$entry}->{$field}) if (! grep (/^$entries{$entry}->{$field}$/,@liste) );
 530         }
 531
 532         $cgiparams{'SEE_SORT'} = $qs;   #restore sort order
 533         return @liste;
 534 }
 535
 536 # Used to sort the table containing the lines displayed.
 537 sub sort_entries { #Reverse is not implemented
 538         my $qs=$cgiparams{'SEE_SORT'};
 539         if ($qs =~ /orgsip|orgdip|exsip|exdip/) {
 540                 my @a = split(/\./,$entries{$a}->{$qs});
 541                 my @b = split(/\./,$entries{$b}->{$qs});
 542                 ($a[0]<=>$b[0]) ||
 543                 ($a[1]<=>$b[1]) ||
 544                 ($a[2]<=>$b[2]) ||
 545                 ($a[3]<=>$b[3]);
 546         } elsif ($qs =~ /expire|orgsp|orgdp|exsp|exdp/) {
 547                     $entries{$a}->{$qs} <=> $entries{$b}->{$qs};
 548         } else {
 549                     $entries{$a}->{$qs} cmp $entries{$b}->{$qs};
 550         }
 551 }
 552
 553 1;