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