html/cgi-bin/aliases.cgi

   1 #!/usr/bin/perl
   2 ###############################################################################
   3 #                                                                             #
   4 # IPFire.org - A linux based firewall                                         #
   5 # Copyright (C) 2007  Michael Tremer & Christian Schmidt                      #
   6 #                                                                             #
   7 # This program is free software: you can redistribute it and/or modify        #
   8 # it under the terms of the GNU General Public License as published by        #
   9 # the Free Software Foundation, either version 3 of the License, or           #
  10 # (at your option) any later version.                                         #
  11 #                                                                             #
  12 # This program is distributed in the hope that it will be useful,             #
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of              #
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
  15 # GNU General Public License for more details.                                #
  16 #                                                                             #
  17 # You should have received a copy of the GNU General Public License           #
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
  19 #                                                                             #
  20 ###############################################################################
  21 #
  22 # this cgi is base on IPCop CGI - aliases.cgi
  23 #
  24
  25 # to fully troubleshot your code, uncomment diagnostics, Carp and cluck lines
  26 #use diagnostics; # need to add the file /usr/lib/perl5/5.8.x/pods/perldiag.pod before to work
  27 # next look at /var/log/httpd/error_log , http://www.perl.com/pub/a/2002/05/07/mod_perl.html may help
  28 #use warnings;
  29 use strict;
  30 #use Carp ();
  31 #local $SIG{__WARN__} = \&Carp::cluck;
  32
  33 require '/var/ipfire/general-functions.pl';     # replace /var/ipcop with /var/ipcop in case of manual install
  34 require "${General::swroot}/lang.pl";
  35 require "${General::swroot}/header.pl";
  36 require "${General::swroot}/ids-functions.pl";
  37 require "${General::swroot}/network-functions.pl";
  38
  39 my $configfwdfw         = "${General::swroot}/firewall/config";
  40 my $configinput         = "${General::swroot}/firewall/input";
  41 my $configoutgoing      = "${General::swroot}/firewall/outgoing";
  42 my %input=();
  43 my %forward=();
  44 my %output=();
  45
  46 #workaround to suppress a warning when a variable is used only once
  47 my @dummy = ( ${Header::colouryellow} );
  48    @dummy = ( ${Header::table1colour} );
  49    @dummy = ( ${Header::table2colour} );
  50 undef (@dummy);
  51
  52 # Files used
  53 my $setting = "${General::swroot}/ethernet/settings";
  54 our $datafile = "${General::swroot}/ethernet/aliases";
  55
  56 # Fetch the name of the main RED interface
  57 my $RED_INTERFACE = &General::get_red_interface();
  58
  59 # Fetch all RED interfaces
  60 my @RED_INTERFACES = &Network::get_red_interfaces();
  61
  62 our %settings=();
  63 #Settings1
  64
  65 #Settings2 for editing the multi-line list
  66 #Must not be saved !
  67 $settings{'IP'} = '';
  68 $settings{'ENABLED'} = 'off';           # Every check box must be set to off
  69 $settings{'NAME'} = '';
  70 $settings{'INTERFACE'} = '';
  71 my @nosaved=('IP','ENABLED','NAME','INTERFACE');        # List here ALL setting2 fields. Mandatory
  72
  73 $settings{'ACTION'} = '';               # add/edit/remove
  74 $settings{'KEY1'} = '';                 # point record for ACTION
  75
  76 #Define each field that can be used to sort columns
  77 my $sortstring='^IP|^NAME';
  78 my $errormessage = '';
  79 my $warnmessage = '';
  80
  81 &Header::showhttpheaders();
  82
  83 # Read needed Ipcop netsettings
  84 my %netsettings=();
  85 $netsettings{'SORT_ALIASES'} = 'NAME';  # default sort
  86 &General::readhash($setting, \%netsettings);
  87
  88 #Get GUI values
  89 &Header::getcgihash(\%settings);
  90
  91 # Load multiline data
  92 our @current = ();
  93 if (open(FILE, "$datafile")) {
  94     @current = <FILE>;
  95     close (FILE);
  96 }
  97
  98 #
  99 # Check Settings1 first because they are needed before working on @current
 100 #
 101 # Remove if no Setting1 needed
 102 #
 103 if ($settings{'ACTION'} eq $Lang::tr{'save'}) {
 104
 105     #
 106     #Validate static Settings1 here
 107     #
 108     unless ($errormessage) {                                    # Everything is ok, save settings
 109         #map (delete ($settings{$_}) ,(@nosaved,'ACTION','KEY1'));# Must never be saved
 110         #&General::writehash($setting, \%settings);             # Save good settings
 111         #$settings{'ACTION'} = $Lang::tr{'save'};               # Recreate  'ACTION'
 112         #map ($settings{$_}= '',(@nosaved,'KEY1'));             # and reinit var to empty
 113
 114         # Rebuild configuration file if needed
 115         &BuildConfiguration;
 116
 117         # Handle suricata related actions.
 118         &HandleSuricata();
 119     }
 120
 121     ERROR:                                              # Leave the faulty field untouched
 122 } else {
 123     #&General::readhash($setting, \%settings);          # Get saved settings and reset to good if needed
 124 }
 125
 126 ## Now manipulate the multi-line list with Settings2
 127 # Basic actions are:
 128 #       toggle the check box
 129 #       add/update a new line
 130 #       begin editing a line
 131 #       remove a line
 132
 133
 134 # Toggle enable/disable field.  Field is in second position
 135 if ($settings{'ACTION'} eq $Lang::tr{'toggle enable disable'}) {
 136     #move out new line
 137     chomp(@current[$settings{'KEY1'}]);
 138     my @temp = split(/\,/,@current[$settings{'KEY1'}]);
 139     $temp[1] = $temp[1] eq 'on' ? 'off' : 'on';         # Toggle the field
 140     $temp[2] = '' if ( $temp[2] eq '' );
 141     @current[$settings{'KEY1'}] = join (',',@temp)."\n";
 142     $settings{'KEY1'} = '';                             # End edit mode
 143
 144     &General::log($Lang::tr{'ip alias changed'});
 145
 146     #Save current
 147     open(FILE, ">$datafile") or die 'Unable to open aliases file.';
 148     print FILE @current;
 149     close(FILE);
 150
 151     # Rebuild configuration file
 152     &BuildConfiguration;
 153
 154     # Handle Suricata related actions.
 155     &HandleSuricata();
 156 }
 157
 158 if ($settings{'ACTION'} eq $Lang::tr{'add'}) {
 159     # Validate inputs
 160     if (! &General::validip($settings{'IP'})) {$errormessage = "invalid ip"};
 161     $settings{'NAME'} = &Header::cleanhtml($settings{'NAME'});
 162
 163     # Make sure we haven't duplicated an alias or RED
 164     my $spacer='';
 165     if ($settings{'IP'} eq $netsettings{'RED_ADDRESS'}) {
 166         $errormessage = $Lang::tr{'duplicate ip'} . ' (RED)';
 167         $spacer=" & ";
 168     }
 169     #Check if we have an emtpy name
 170     if (!$settings{'NAME'}){
 171                 $errormessage=$Lang::tr{'fwhost err name1'};
 172         }elsif(! &General::validfqdn($settings{'NAME'}) && ! &General::validhostname($settings{'NAME'})){
 173                 $errormessage=$Lang::tr{'invalid hostname'};
 174         }
 175     my $idx=0;
 176     foreach my $line (@current) {
 177         chomp ($line);
 178         my @temp = split (/\,/, $line);
 179         if ( ($settings{'KEY1'} eq '')||(($settings{'KEY1'} ne '') && ($settings{'KEY1'} != $idx))) { # update
 180             if ($temp[0] eq $settings{'IP'}) {
 181                 $errormessage .= $spacer.$Lang::tr{'duplicate ip'};
 182                 $spacer=" & ";
 183             }
 184             if ($temp[2] eq $settings{'NAME'} && $temp[2] ne '') {
 185                 $errormessage .= $spacer.$Lang::tr{'duplicate name'};
 186                 $spacer=" & ";
 187                 }
 188         }
 189         $idx++;
 190     }
 191         #Update firewallrules if aliasname is changed
 192         if ($settings{'OLDNAME'} ne $settings {'NAME'}){
 193                 &General::readhasharray("$configfwdfw", \%forward);
 194                 &General::readhasharray("$configinput", \%input);
 195                 &General::readhasharray("$configoutgoing", \%output);
 196                 #Check FORWARD
 197                 foreach my $forwardkey (sort keys %forward){
 198                         if ($forward{$forwardkey}[29] eq $settings{'OLDNAME'}){
 199                                 $forward{$forwardkey}[29] = $settings {'NAME'};
 200                         }
 201                 }
 202                 &General::writehasharray($configfwdfw, \%forward);
 203                 #Check INPUT
 204                 foreach my $inputkey (sort keys %input){
 205                         if ($input{$inputkey}[6] eq $settings{'OLDNAME'}){
 206                                 $input{$inputkey}[6] = $settings {'NAME'};
 207                         }
 208                 }
 209                 &General::writehasharray($configinput, \%input);
 210                 #Check OUTPUT
 211                 foreach my $outputkey (sort keys %output){
 212                         if ($output{$outputkey}[4] eq $settings{'OLDNAME'}){
 213                                 $output{$outputkey}[4] = $settings {'NAME'};
 214                         }
 215                 }
 216                 &General::writehasharray($configoutgoing, \%output);
 217                 &General::firewall_config_changed;
 218         }
 219         #If Alias IP has changed, set firewall_config_changed
 220         if($settings{'OLDIP'} ne $settings{'IP'} && $settings{'OLDIP'}){
 221                 &General::firewall_config_changed;
 222         }
 223     unless ($errormessage) {
 224         if ($settings{'KEY1'} eq '') { #add or edit ?
 225             unshift (@current, "$settings{'IP'},$settings{'ENABLED'},$settings{'NAME'},$settings{'INTERFACE'}\n");
 226             &General::log($Lang::tr{'ip alias added'});
 227         } else {
 228             @current[$settings{'KEY1'}] = "$settings{'IP'},$settings{'ENABLED'},$settings{'NAME'},$settings{'INTERFACE'}\n";
 229             $settings{'KEY1'} = '';       # End edit mode
 230             &General::log($Lang::tr{'ip alias changed'});
 231         }
 232
 233         # Write changes to config file.
 234         &SortDataFile;                          # sort newly added/modified entry
 235
 236         &BuildConfiguration;                    # then re-build conf which use new data
 237
 238         # Handle Suricata related actions.
 239         &HandleSuricata();
 240
 241 ##
 242 ## if entering data line is repetitive, choose here to not erase fields between each addition
 243 ##
 244         map ($settings{$_}='' ,@nosaved);       # Clear fields
 245     }
 246 }
 247
 248 if ($settings{'ACTION'} eq $Lang::tr{'edit'}) {
 249     #move out new line
 250     my $line = @current[$settings{'KEY1'}];     # KEY1 is the index in current
 251     chomp($line);
 252     my @temp = split(/\,/, $line);
 253
 254 ##
 255 ## move data fields to Setting2 for edition
 256 ##
 257     $settings{'IP'}=$temp[0];                   # Prepare the screen for editing
 258     $settings{'ENABLED'}=$temp[1];
 259     $settings{'NAME'}=$temp[2];
 260     $settings{'INTERFACE'}=$temp[3];
 261 }
 262
 263 if ($settings{'ACTION'} eq $Lang::tr{'remove'}) {
 264     splice (@current,$settings{'KEY1'},1);              # Delete line
 265     open(FILE, ">$datafile") or die 'Unable to open aliases file.';
 266     print FILE @current;
 267     close(FILE);
 268     $settings{'KEY1'} = '';                             # End remove mode
 269     &General::log($Lang::tr{'ip alias removed'});
 270
 271     &BuildConfiguration;                                # then re-build conf which use new data
 272
 273     # Handle Suricata related actions.
 274     &HandleSuricata();
 275 }
 276
 277
 278
 279 ##  Check if sorting is asked
 280 # If same column clicked, reverse the sort.
 281 if ($ENV{'QUERY_STRING'} =~ /$sortstring/ ) {
 282     my $newsort=$ENV{'QUERY_STRING'};
 283     my $actual=$netsettings{'SORT_ALIASES'};
 284     #Reverse actual sort ?
 285     if ($actual =~ $newsort) {
 286         my $Rev='';
 287         if ($actual !~ 'Rev') {
 288             $Rev='Rev';
 289         }
 290         $newsort.=$Rev;
 291     }
 292     $netsettings{'SORT_ALIASES'}=$newsort;
 293     &General::writehash($setting, \%netsettings);
 294     &SortDataFile;
 295     $settings{'ACTION'} = 'SORT';                       # Recreate  'ACTION'
 296 }
 297
 298 # Default initial value
 299 if ($settings{'ACTION'} eq '' ) { # First launch from GUI
 300     $settings{'ENABLED'} ='on';
 301 }
 302
 303 &Header::openpage($Lang::tr{'external aliases configuration'}, 1, '');
 304 &Header::openbigbox('100%', 'left', '', $errormessage);
 305 my %checked =();     # Checkbox manipulations
 306 my %selected = ();
 307
 308 if ($errormessage) {
 309     &Header::openbox('100%', 'left', $Lang::tr{'error messages'});
 310     print "$errormessage&nbsp;";
 311     &Header::closebox();
 312 }
 313 unless (( $netsettings{'CONFIG_TYPE'} =~ /^(1|2|3|4)$/ ) && ($netsettings{'RED_TYPE'} eq 'STATIC'))
 314 {
 315     &Header::openbox('100%', 'left', $Lang::tr{'capswarning'});
 316     print <<END
 317     <table style='width:100%;'>
 318     <tr>
 319     <td class='boldbase' style='color:${Header::colourred};'><b>$Lang::tr{'aliases not active'}</b></td>
 320     </tr>
 321     </table>
 322 END
 323 ;
 324     &Header::closebox();
 325 }
 326
 327 #
 328 # Second check box is for editing the list
 329 #
 330 $checked{'ENABLED'}{'on'} = ($settings{'ENABLED'} eq 'on') ? "checked='checked'" : '' ;
 331
 332 $selected{'INTERFACE'} = ();
 333 foreach my $intf (@RED_INTERFACES) {
 334         $selected{'INTERFACE'}{$intf} = ($settings{'INTERFACE'} eq $intf) ? "selected" : "";
 335 }
 336
 337 my $buttontext = $Lang::tr{'add'};
 338 if ($settings{'KEY1'} ne '') {
 339     $buttontext = $Lang::tr{'update'};
 340     &Header::openbox('100%', 'left', $Lang::tr{'edit an existing alias'});
 341 } else {
 342     &Header::openbox('100%', 'left', $Lang::tr{'add new alias'});
 343 }
 344
 345 #Edited line number (KEY1) passed until cleared by 'save' or 'remove' or 'new sort order'
 346 print <<END;
 347 <form method='post' action='$ENV{'SCRIPT_NAME'}'>
 348 <input type='hidden' name='KEY1' value='$settings{'KEY1'}' />
 349 <input type='hidden' name='OLDNAME' value='$settings{'NAME'}' />
 350 <input type='hidden' name='OLDIP' value='$settings{'IP'}' />
 351 <table style='width:100%;'>
 352 <tr>
 353 <td class='base' style='color:${Header::colourred};'>$Lang::tr{'name'}:</td>
 354 <td><input type='text' name='NAME' value='$settings{'NAME'}' size='32' /></td>
 355 <td class='base' style='text-align:right; color:${Header::colourred};'>$Lang::tr{'alias ip'}:&nbsp;</td>
 356 <td><input type='text' name='IP' value='$settings{'IP'}' size='16' /></td>
 357 END
 358
 359 if (scalar @RED_INTERFACES >= 2) {
 360         print <<END;
 361                 <td class='base' style='color:${Header::colourred};'>$Lang::tr{'interface'}:</td>
 362                 <td>
 363                         <select name="INTERFACE">
 364                                 <option value="">$Lang::tr{'aliases default interface'}</option>
 365 END
 366
 367         # Print an option for each RED interface
 368         foreach my $intf (@RED_INTERFACES) {
 369                 # Skip the default one
 370                 next if ($RED_INTERFACE eq $intf);
 371
 372                 print <<END;
 373                                 <option value="$intf" $selected{'INTERFACE'}{$intf}>$intf</option>
 374 END
 375         }
 376
 377         print <<END;
 378                         </select>
 379                 </td>
 380 END
 381 }
 382
 383 print <<END;
 384 <td class='base' style='text-align:right;'>$Lang::tr{'enabled'}&nbsp;</td>
 385 <td><input type='checkbox' name='ENABLED' $checked{'ENABLED'}{'on'} /></td>
 386 </tr>
 387 </table>
 388 <br>
 389 <hr />
 390 <table style='width:100%;'>
 391 <tr>
 392     <td style='text-align:right;'><input type='hidden' name='ACTION' value='$Lang::tr{'add'}' /><input type='submit' name='SUBMIT' value='$buttontext' /></td>
 393 </tr>
 394 </table>
 395 </form>
 396 END
 397
 398 &Header::closebox();
 399
 400 # Add visual indicators to column headings to show sort order - EO
 401 my $sortarrow1 = '';
 402 my $sortarrow2 = '';
 403
 404 if ($netsettings{'SORT_ALIASES'} eq 'NAMERev') {
 405         $sortarrow1 = $Header::sortdn;
 406 } elsif ($netsettings{'SORT_ALIASES'} eq 'NAME') {
 407         $sortarrow1 = $Header::sortup;
 408 } elsif ($netsettings{'SORT_ALIASES'} eq 'IPRev') {
 409         $sortarrow2 = $Header::sortdn;
 410 } else {
 411         $sortarrow2 = $Header::sortup;
 412 }
 413
 414 #
 415 # Third box shows the list, in columns
 416 #
 417 # Columns headers may content a link. In this case it must be named in $sortstring
 418 #
 419 &Header::openbox('100%', 'left', $Lang::tr{'current aliases'});
 420 print <<END
 421 <table class='tbl' style='width:100%;'>
 422 <tr>
 423     <th style='width:55%; text-align:center;'><a href='$ENV{'SCRIPT_NAME'}?NAME'><b>$Lang::tr{'name'}</b></a> $sortarrow1</th>
 424     <th style='width:45%; text-align:center;'><a href='$ENV{'SCRIPT_NAME'}?IP'><b>$Lang::tr{'alias ip'}</b></a> $sortarrow2</th>
 425     <th colspan='3' class='boldbase' style='width:5%; text-align:center;'><b>$Lang::tr{'action'}</b></th>
 426 </tr>
 427 END
 428 ;
 429
 430 #
 431 # Print each line of @current list
 432 #
 433 # each data line is splitted into @temp.
 434 #
 435
 436 my $key = 0;
 437 my $col="";
 438 foreach my $line (@current) {
 439     chomp($line);
 440     my @temp = split(/\,/,$line);
 441
 442     #Choose icon for checkbox
 443     my $gif = '';
 444     my $gdesc = '';
 445     if ($temp[1] eq "on") {
 446         $gif = 'on.gif';
 447         $gdesc = $Lang::tr{'click to disable'};
 448     } else {
 449         $gif = 'off.gif';
 450         $gdesc = $Lang::tr{'click to enable'};
 451     }
 452
 453     #Colorize each line
 454     if ($settings{'KEY1'} eq $key) {
 455         $col="background-color:${Header::colouryellow};";
 456     } elsif ($key % 2) {
 457         $col="background-color:${Header::table2colour};";
 458     } else {
 459         $col="background-color:${Header::table1colour};";
 460     }
 461     print "<tr style='$col'>";
 462
 463         my $address = $temp[0];
 464
 465         if ($temp[3] ne "") {
 466                 $address .= " @ $temp[3]";
 467         }
 468
 469     print <<END
 470 <td style='text-align:center; $col'>$temp[2]</td>
 471 <td style='text-align:center; $col'>$address</td>
 472
 473 <td style='text-align:center; $col'>
 474 <form method='post' action='$ENV{'SCRIPT_NAME'}'>
 475 <input type='hidden' name='ACTION' value='$Lang::tr{'toggle enable disable'}' />
 476 <input type='image' name='$Lang::tr{'toggle enable disable'}' src='/images/$gif' alt='$gdesc' title='$gdesc' />
 477 <input type='hidden' name='KEY1' value='$key' />
 478 </form>
 479 </td>
 480
 481 <td style='text-align:center; $col'>
 482 <form method='post' action='$ENV{'SCRIPT_NAME'}'>
 483 <input type='hidden' name='ACTION' value='$Lang::tr{'edit'}' />
 484 <input type='image' name='$Lang::tr{'edit'}' src='/images/edit.gif' alt='$Lang::tr{'edit'}' title='$Lang::tr{'edit'}' />
 485 <input type='hidden' name='KEY1' value='$key' />
 486 </form>
 487 </td>
 488
 489 <td style='text-align:center; $col'>
 490 <form method='post' action='$ENV{'SCRIPT_NAME'}'>
 491 <input type='hidden' name='ACTION' value='$Lang::tr{'remove'}' />
 492 <input type='image' name='$Lang::tr{'remove'}' src='/images/delete.gif' alt='$Lang::tr{'remove'}' title='$Lang::tr{'remove'}' />
 493 <input type='hidden' name='KEY1' value='$key' />
 494 </form>
 495 </td>
 496 </tr>
 497 END
 498 ;
 499     $key++;
 500 }
 501 print "</table>";
 502
 503 # If table contains entries, print 'Key to action icons'
 504 if ($key) {
 505 print <<END
 506 <table>
 507 <tr>
 508     <td class='boldbase'>&nbsp;<b>$Lang::tr{'legend'}:&nbsp;</b></td>
 509     <td><img src='/images/on.gif' alt='$Lang::tr{'click to disable'}' /></td>
 510     <td class='base'>$Lang::tr{'click to disable'}</td>
 511     <td>&nbsp;&nbsp;</td>
 512     <td><img src='/images/off.gif' alt='$Lang::tr{'click to enable'}' /></td>
 513     <td class='base'>$Lang::tr{'click to enable'}</td>
 514     <td>&nbsp;&nbsp;</td>
 515     <td><img src='/images/edit.gif' alt='$Lang::tr{'edit'}' /></td>
 516     <td class='base'>$Lang::tr{'edit'}</td>
 517     <td>&nbsp;&nbsp;</td>
 518     <td><img src='/images/delete.gif' alt='$Lang::tr{'remove'}' /></td>
 519     <td class='base'>$Lang::tr{'remove'}</td>
 520 </tr>
 521 </table>
 522 END
 523 ;
 524 }
 525
 526 &Header::closebox();
 527 &Header::closebigbox();
 528 &Header::closepage();
 529
 530 ## Ouf it's the end !
 531
 532
 533
 534 # Sort the "current" array according to choices
 535 sub SortDataFile
 536 {
 537     our %entries = ();
 538
 539     # Sort pair of record received in $a $b special vars.
 540     # When IP is specified use numeric sort else alpha.
 541     # If sortname ends with 'Rev', do reverse sort.
 542     #
 543     sub fixedleasesort {
 544         my $qs='';             # The sort field specified minus 'Rev'
 545         if (rindex ($netsettings{'SORT_ALIASES'},'Rev') != -1) {
 546             $qs=substr ($netsettings{'SORT_ALIASES'},0,length($netsettings{'SORT_ALIASES'})-3);
 547             if ($qs eq 'IP') {
 548                 my @a = split(/\./,$entries{$a}->{$qs});
 549                 my @b = split(/\./,$entries{$b}->{$qs});
 550                 ($b[0]<=>$a[0]) ||
 551                 ($b[1]<=>$a[1]) ||
 552                 ($b[2]<=>$a[2]) ||
 553                 ($b[3]<=>$a[3]);
 554             } else {
 555                 $entries{$b}->{$qs} cmp $entries{$a}->{$qs};
 556             }
 557         } else { #not reverse
 558             $qs=$netsettings{'SORT_ALIASES'};
 559             if ($qs eq 'IP') {
 560                 my @a = split(/\./,$entries{$a}->{$qs});
 561                 my @b = split(/\./,$entries{$b}->{$qs});
 562                 ($a[0]<=>$b[0]) ||
 563                 ($a[1]<=>$b[1]) ||
 564                 ($a[2]<=>$b[2]) ||
 565                 ($a[3]<=>$b[3]);
 566             } else {
 567                 $entries{$a}->{$qs} cmp $entries{$b}->{$qs};
 568             }
 569         }
 570     }
 571
 572     #Use an associative array (%entries)
 573     my $key = 0;
 574     foreach my $line (@current) {
 575         chomp( $line); #remove newline because can be on field 5 or 6 (addition of REMARK)
 576         my @temp = split (',',$line);
 577
 578         # Build a pair 'Field Name',value for each of the data dataline.
 579         # Each SORTABLE field must have is pair.
 580         # Other data fields (non sortable) can be grouped in one
 581
 582         # Exemple
 583         # F1,F2,F3,F4,F5       only F1 F2 for sorting
 584         # my @record = ('KEY',$key++,
 585         #               'F1',$temp[0],
 586         #               'F2',$temp[1],
 587         #               'DATA',join(',',@temp[2..4])    );  #group remainning values, with separator (,)
 588
 589         # The KEY,key record permits doublons. If removed, then F1 becomes the key without doublon permitted.
 590
 591
 592         my @record = ('KEY',$key++,'IP',$temp[0],'ENABLED',$temp[1],'NAME',$temp[2],'INTERFACE',$temp[3]);
 593         my $record = {};                                # create a reference to empty hash
 594         %{$record} = @record;                           # populate that hash with @record
 595         $entries{$record->{KEY}} = $record;             # add this to a hash of hashes
 596     }
 597
 598     open(FILE, ">$datafile") or die 'Unable to open aliases file.';
 599
 600     # Each field value is printed , with the newline ! Don't forget separator and order of them.
 601     foreach my $entry (sort fixedleasesort keys %entries) {
 602         print FILE "$entries{$entry}->{IP},$entries{$entry}->{ENABLED},$entries{$entry}->{NAME},$entries{$entry}->{INTERFACE}\n";
 603     }
 604
 605     close(FILE);
 606     # Reload sorted  @current
 607     open (FILE, "$datafile");
 608     @current = <FILE>;
 609     close (FILE);
 610 }
 611
 612 #
 613 # Build the configuration file for application aliases
 614 #
 615 sub BuildConfiguration {
 616     # Restart service associated with this
 617     &General::system('/usr/local/bin/setaliases');
 618 }
 619
 620 #
 621 ## Handle Suricata related actions.
 622 #
 623 sub HandleSuricata() {
 624         # Check if suricata is running.
 625         if(&IDS::ids_is_running()) {
 626                 # Re-generate file which contains the HOME_NET declaration.
 627                 &IDS::generate_home_net_file();
 628
 629                 # Call suricatactrl to perform a restart of suricata.
 630                 &IDS::call_suricatactrl("restart");
 631         }
 632 }