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 # $Id: connections.cgi,v 1.6.2.12 2006/02/27 19:48:46 franck78 Exp $
  10 #
  11
  12 # Setup GREEN, ORANGE, IPCOP, 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 'CONFIG_ROOT/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, ${Header::colourfw} );
  76
  77 # Add OpenVPN net and RED/BLUE/ORANGE entry (when appropriate)
  78 if (-e "${General::swroot}/ovpn/settings") {
  79     my %ovpnsettings = ();
  80     &General::readhash("${General::swroot}/ovpn/settings", \%ovpnsettings);
  81     my @tempovpnsubnet = split("\/",$ovpnsettings{'DOVPN_SUBNET'});
  82
  83     # add OpenVPN net
  84                 push(@network, $tempovpnsubnet[0]);
  85                 push(@masklen, $tempovpnsubnet[1]);
  86                 push(@colour, ${Header::colourovpn} );
  87                 push(@ports, '0' );
  88                 push(@protocols, '' );
  89
  90     if ( ($ovpnsettings{'ENABLED'} eq 'on') && open(IP, "${General::swroot}/red/local-ipaddress") ) {
  91       # add RED:port / proto
  92                   my $redip = <IP>;
  93                 close(IP);
  94                 chomp $redip;
  95                   push(@network, $redip );
  96                 push(@masklen, '255.255.255.255' );
  97                 push(@colour, ${Header::colourovpn} );
  98                 push(@ports, $ovpnsettings{'DDEST_PORT'} );
  99                 push(@protocols, $ovpnsettings{'DPROTOCOL'} );
 100     }
 101     if ( ($ovpnsettings{'ENABLED_BLUE'} eq 'on') && $netsettings{'BLUE_DEV'} ) {
 102       # add BLUE:port / proto
 103         push(@network, $netsettings{'BLUE_ADDRESS'} );
 104         push(@masklen, '255.255.255.255' );
 105                 push(@colour, ${Header::colourovpn} );
 106                 push(@ports, $ovpnsettings{'DDEST_PORT'} );
 107                 push(@protocols, $ovpnsettings{'DPROTOCOL'} );
 108     }
 109     if ( ($ovpnsettings{'ENABLED_ORANGE'} eq 'on') && $netsettings{'ORANGE_DEV'} ) {
 110       # add ORANGE:port / proto
 111         push(@network, $netsettings{'ORANGE_ADDRESS'} );
 112         push(@masklen, '255.255.255.255' );
 113                 push(@colour, ${Header::colourovpn} );
 114                 push(@ports, $ovpnsettings{'DDEST_PORT'} );
 115                 push(@protocols, $ovpnsettings{'DPROTOCOL'} );
 116     }
 117 }
 118
 119 # Add Orange Network
 120 if ($netsettings{'ORANGE_DEV'}) {
 121         push(@network, $netsettings{'ORANGE_NETADDRESS'});
 122         push(@masklen, $netsettings{'ORANGE_NETMASK'} );
 123         push(@colour, ${Header::colourorange} );
 124         # Add Orange Routes to Array
 125         @routes = `/sbin/route -n | /bin/grep $netsettings{'ORANGE_DEV'}`;
 126         foreach my $route (@routes) {
 127                 chomp($route);
 128                 my @temp = split(/[\t ]+/, $route);
 129                 push(@network, $temp[0]);
 130                 push(@masklen, $temp[2]);
 131                 push(@colour, ${Header::colourorange} );
 132         }
 133 }
 134
 135 # Add Blue Network
 136 if ($netsettings{'BLUE_DEV'}) {
 137         push(@network, $netsettings{'BLUE_NETADDRESS'});
 138         push(@masklen, $netsettings{'BLUE_NETMASK'} );
 139         push(@colour, ${Header::colourblue} );
 140         # Add Blue Routes to Array
 141         @routes = `/sbin/route -n | /bin/grep $netsettings{'BLUE_DEV'}`;
 142         foreach my $route (@routes) {
 143                 chomp($route);
 144                 my @temp = split(/[\t ]+/, $route);
 145                 push(@network, $temp[0]);
 146                 push(@masklen, $temp[2]);
 147                 push(@colour, ${Header::colourblue} );
 148         }
 149 }
 150
 151 # Add STATIC RED aliases
 152 if ($netsettings{'RED_DEV'}) {
 153         # We have a RED eth iface
 154         if ($netsettings{'RED_TYPE'} eq 'STATIC') {
 155                 # We have a STATIC RED eth iface
 156                 foreach my $line (@aliases)
 157                 {
 158                         chomp($line);
 159                         my @temp = split(/\,/,$line);
 160                         if ( $temp[0] ) {
 161                                 push(@network, $temp[0]);
 162                                 push(@masklen, $netsettings{'RED_NETMASK'} );
 163                                 push(@colour, ${Header::colourfw} );
 164                         }
 165                 }
 166         }
 167 }
 168
 169 # Add VPNs
 170 if ( $vpn[0] ne 'none' ) {
 171         foreach my $line (@vpn) {
 172                 my @temp = split(/[\t ]+/,$line);
 173                 my @temp1 = split(/[\/:]+/,$temp[3]);
 174                 push(@network, $temp1[0]);
 175                 push(@masklen, ipv4_cidr2msk($temp1[1]));
 176                 push(@colour, ${Header::colourvpn} );
 177         }
 178 }
 179 if (open(IP, "${General::swroot}/red/local-ipaddress")) {
 180         my $redip = <IP>;
 181         close(IP);
 182         chomp $redip;
 183         push(@network, $redip);
 184         push(@masklen, '255.255.255.255' );
 185         push(@colour, ${Header::colourfw} );
 186 }
 187
 188
 189 #Establish simple filtering&sorting boxes on top of table
 190
 191 our %cgiparams;
 192 &Header::getcgihash(\%cgiparams);
 193
 194 my @list_proto = ($Lang::tr{'all'}, 'icmp', 'udp', 'tcp');
 195 my @list_state = ($Lang::tr{'all'}, 'SYN_SENT', 'SYN_RECV', 'ESTABLISHED', 'FIN_WAIT',
 196                     'CLOSE_WAIT', 'LAST_ACK', 'TIME_WAIT', 'CLOSE', 'LISTEN');
 197 my @list_mark = ($Lang::tr{'all'}, '[ASSURED]', '[UNREPLIED]');
 198 my @list_sort = ('orgsip','protocol', 'expires', 'status', 'orgdip', 'orgsp',
 199                     'orgdp', 'exsip', 'exdip', 'exsp', 'exdp');
 200
 201 # init or silently correct unknown value...
 202 if ( ! grep ( /^$cgiparams{'SEE_PROTO'}$/ , @list_proto )) { $cgiparams{'SEE_PROTO'} = $list_proto[0] };
 203 if ( ! grep ( /^$cgiparams{'SEE_STATE'}$/ , @list_state )) { $cgiparams{'SEE_STATE'} = $list_state[0] };
 204 if ( ! grep ( /^$cgiparams{'SEE_MARK'}$/  , @list_mark ))  { $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', $Lang::tr{'connection tracking'});
 405
 406 print <<END
 407 <table width='60%'>
 408 <tr><td align='center'><b>$Lang::tr{'legend'} : </b></td>
 409     <td align='center' bgcolor='${Header::colourgreen}'><b><font color='#FFFFFF'>$Lang::tr{'lan'}</font></b></td>
 410     <td align='center' bgcolor='${Header::colourred}'><b><font color='#FFFFFF'>$Lang::tr{'internet'}</font></b></td>
 411     <td align='center' bgcolor='${Header::colourorange}'><b><font color='#FFFFFF'>$Lang::tr{'dmz'}</font></b></td>
 412     <td align='center' bgcolor='${Header::colourblue}'><b><font color='#FFFFFF'>$Lang::tr{'wireless'}</font></b></td>
 413     <td align='center' bgcolor='${Header::colourfw}'><b><font color='#FFFFFF'>IPFire</font></b></td>
 414     <td align='center' bgcolor='${Header::colourvpn}'><b><font color='#FFFFFF'>$Lang::tr{'vpn'}</font></b></td>
 415     <td align='center' bgcolor='${Header::colourovpn}'><b><font color='#FFFFFF'>$Lang::tr{'OpenVPN'}</font></b></td>
 416 </tr>
 417 </table>
 418 <br />
 419 <table cellpadding='2'>
 420 <tr><td align='center'><b>$Lang::tr{'protocol'}</b></td>
 421     <td align='center'><b>$Lang::tr{'expires'}<br />($Lang::tr{'seconds'})</b></td>
 422     <td align='center'><b>$Lang::tr{'connection'}<br />$Lang::tr{'status'}</b></td>
 423     <td align='center'><b>$Lang::tr{'original'}<br />$Lang::tr{'source ip and port'}</b></td>
 424     <td align='center'><b>$Lang::tr{'original'}<br />$Lang::tr{'dest ip and port'}</b></td>
 425     <td align='center'><b>$Lang::tr{'expected'}<br />$Lang::tr{'source ip and port'}</b></td>
 426     <td align='center'><b>$Lang::tr{'expected'}<br />$Lang::tr{'dest ip and port'}</b></td>
 427     <td align='center'><b>$Lang::tr{'marked'}</b></td>
 428     <td align='center'><b>$Lang::tr{'use'}</b></td>
 429 </tr>
 430 <tr><form method='post' action='$ENV{'SCRIPT_NAME'}'>
 431     <td align='center'>$menu_proto</td>
 432     <td></td>
 433     <td align='center'>$menu_state</td>
 434     <td align='center'>$menu_src</td>
 435     <td align='center'>$menu_dest</td>
 436     <td align='center'colspan='2'>$Lang::tr{'sort ascending'}:$menu_sort </td>
 437     <td align='center'>$menu_mark</td>
 438     <td align='center'><input type='submit' value='!' /></td>
 439     </form>
 440 </tr>
 441 END
 442 ;
 443
 444 foreach my $entry (sort sort_entries keys %entries) {
 445
 446         print "<tr bgcolor='${Header::table1colour}'>";
 447         my $orgsipcolour = &ipcolour( $entries{$entry}->{orgsip} );
 448         my $orgdipcolour = &ipcolour( $entries{$entry}->{orgdip} );
 449         my $exsipcolour  = &ipcolour( $entries{$entry}->{exsip} );
 450         my $exdipcolour  = &ipcolour( $entries{$entry}->{exdip} );
 451         print <<END
 452         <td align='center'>$entries{$entry}->{protocol}</td>
 453         <td align='center'>$entries{$entry}->{expires}</td>
 454         <td align='center'>$entries{$entry}->{status}</td>
 455         <td align='center' bgcolor='$orgsipcolour'>
 456             <a href='/cgi-bin/ipinfo.cgi?ip=$entries{$entry}->{orgsip}'>
 457             <font color='#FFFFFF'>$entries{$entry}->{orgsip}</font>
 458             </a><font color='#FFFFFF'>:$entries{$entry}->{orgsp}</font></td>
 459         <td align='center' bgcolor='$orgdipcolour'>
 460             <a href='/cgi-bin/ipinfo.cgi?ip=$entries{$entry}->{orgdip}'>
 461             <font color='#FFFFFF'>$entries{$entry}->{orgdip}</font>
 462             </a><font color='#FFFFFF'>:$entries{$entry}->{orgdp}</font></td>
 463         <td align='center' bgcolor='$exsipcolour'>
 464             <a href='/cgi-bin/ipinfo.cgi?ip=$entries{$entry}->{exsip}'>
 465             <font color='#FFFFFF'>$entries{$entry}->{exsip}</font>
 466             </a><font color='#FFFFFF'>:$entries{$entry}->{exsp}</font></td>
 467         <td align='center' bgcolor='$exdipcolour'>
 468             <a href='/cgi-bin/ipinfo.cgi?ip=$entries{$entry}->{exdip}'>
 469             <font color='#FFFFFF'>$entries{$entry}->{exdip}</font>
 470             </a><font color='#FFFFFF'>:$entries{$entry}->{exdp}</font></td>
 471         <td align='center'>$entries{$entry}->{marked}</td>
 472         <td align='center'>$entries{$entry}->{use}</td>
 473         </tr>
 474 END
 475 ;
 476 }
 477
 478 print "$unknownlines</table>";
 479
 480 &Header::closebox();
 481 &Header::closebigbox();
 482 &Header::closepage();
 483
 484 sub ipcolour($) {
 485         my $id = 0;
 486         my $line;
 487         my $colour = ${Header::colourred};
 488         my ($ip) = $_[0];
 489         my $found = 0;
 490         foreach $line (@network) {
 491                 if (!$found && ipv4_in_network( $network[$id] , $masklen[$id], $ip) ) {
 492                         $found = 1;
 493                         $colour = $colour[$id];
 494                 }
 495                 $id++;
 496         }
 497         return $colour
 498 }
 499
 500 # Create a string containing a complete SELECT html object
 501 # param1: name
 502 # param2: current value selected
 503 # param3: field list
 504 sub make_select ($,$,$) {
 505         my $select_name = shift;
 506         my $selected    = shift;
 507         my $select = "<select name='$select_name'>";
 508
 509         foreach my $value (@_) {
 510                 my $check = $selected eq $value ? "selected='selected'" : '';
 511                 $select .= "<option $check value='$value'>$value";
 512         }
 513         $select .= "</select>";
 514         return $select;
 515 }
 516
 517 # Build a list of IP obtained from the %entries hash
 518 # param1: IP field name
 519 sub get_known_ips ($) {
 520         my $field = shift;
 521         my $qs = $cgiparams{'SEE_SORT'};        # switch the sort order
 522         $cgiparams{'SEE_SORT'} = $field;
 523
 524         my @liste=('*.*.*.*');
 525         foreach my $entry ( sort sort_entries keys %entries) {
 526                 push (@liste, $entries{$entry}->{$field}) if (! grep (/^$entries{$entry}->{$field}$/,@liste) );
 527         }
 528
 529         $cgiparams{'SEE_SORT'} = $qs;   #restore sort order
 530         return @liste;
 531 }
 532
 533 # Used to sort the table containing the lines displayed.
 534 sub sort_entries { #Reverse is not implemented
 535         my $qs=$cgiparams{'SEE_SORT'};
 536         if ($qs =~ /orgsip|orgdip|exsip|exdip/) {
 537                 my @a = split(/\./,$entries{$a}->{$qs});
 538                 my @b = split(/\./,$entries{$b}->{$qs});
 539                 ($a[0]<=>$b[0]) ||
 540                 ($a[1]<=>$b[1]) ||
 541                 ($a[2]<=>$b[2]) ||
 542                 ($a[3]<=>$b[3]);
 543         } elsif ($qs =~ /expire|orgsp|orgdp|exsp|exdp/) {
 544                 $entries{$a}->{$qs} <=> $entries{$b}->{$qs};
 545         } else {
 546                 $entries{$a}->{$qs} cmp $entries{$b}->{$qs};
 547         }
 548 }
 549
 550 1;