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guardian.cgi: Accidently hardcoded some descriptions.
[ipfire-2.x.git] / html / cgi-bin / guardian.cgi
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01dbccb1
SS		 1#!/usr/bin/perl
2###############################################################################
3# #
4# IPFire.org - A linux based firewall #
5# Copyright (C) 2014 IPFire Team <info@ipfire.org> #
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
22use strict;
23use Locale::Country;
24
25# enable only the following on debugging purpose
26use warnings;
27use CGI::Carp 'fatalsToBrowser';
28
29require '/var/ipfire/general-functions.pl';
30require "${General::swroot}/lang.pl";
31require "${General::swroot}/header.pl";
32
33#workaround to suppress a warning when a variable is used only once
34my @dummy = ( ${Header::colouryellow} );
35undef (@dummy);
36
37my $string=();
38my $memory=();
39my @memory=();
40my @pid=();
41my @guardian=();
42my %cgiparams=();
43
44# Path to the guardian.ignore file.
45my $ignorefile ='/var/ipfire/guardian/guardian.ignore';
46
01dbccb1
SS		 47our %netsettings = ();
48&General::readhash("${General::swroot}/ethernet/settings", \%netsettings);
49
50our %color = ();
51our %mainsettings = ();
52&General::readhash("${General::swroot}/main/settings", \%mainsettings);
53&General::readhash("/srv/web/ipfire/html/themes/".$mainsettings{'THEME'}."/include/colors.txt", \%color);
54
55our %settings = ();
56
57$settings{'GUARDIAN_ENABLED'} = 'off';
26fcd31e
SS		 58$settings{'GUARDIAN_ENABLE_SNORT'} = 'on';
59$settings{'GUARDIAN_ENABLE_SSH'} = 'on';
60$settings{'GUARDIAN_ENABLE_HTTPD'} = 'on';
7899718f 61$settings{'GUARDIAN_LOGLEVEL'} ='info';
01dbccb1
SS		 62$settings{'GUARDIAN_BLOCKTIME'} = '86400';
63$settings{'GUARDIAN_LOGFILE'} = '/var/log/guardian/guardian.log';
64$settings{'GUARDIAN_SNORT_ALERTFILE'} = '/var/log/snort/alert';
65
66$settings{'ACTION'} = '';
67
68my $errormessage = '';
69
70&Header::showhttpheaders();
71
72# Get GUI values.
73&Header::getcgihash(\%settings);
74&Header::getcgihash(\%cgiparams);
75
76## Perform input checks and save settings.
77#
78if ($settings{'ACTION'} eq $Lang::tr{'save'}) {
79
80 # Check for valid blocktime.
81 if ($settings{'GUARDIAN_BLOCKTIME'} ne '') {
82 if (($settings{'GUARDIAN_BLOCKTIME'} !~ /^[0-9]+$/) || ($settings{'GUARDIAN_BLOCKTIME'} le '0')) {
83 $errormessage = "$Lang::tr{'guardian invalid blocktime'}";
84 }
85 }
86
87 # Check Logfile.
88 if ($settings{'GUARDIAN_LOGFILE'} ne '') {
89 if ($settings{'GUARDIAN_LOGFILE'} !~ /^[a-zA-Z0-9\.\/]+$/) {
90 $errormessage = "$Lang::tr{'guardian invalid logfile'}";
91 }
92 }
93
94 # Check input for snort alert file.
95 if ($settings{'GUARDIAN_SNORT_ALERTFILE'} ne '') {
96 if ($settings{'GUARDIAN_SNORT_ALERTFILE'} !~ /^[a-zA-Z0-9\.\/]+$/) {
97 $errormessage = "$Lang::tr{'guardian invalid alertfile'}";
98 }
99 }
100
101 # Only continue if no error message has been set.
102 if ($errormessage eq '') {
103 # Write configuration settings to file.
104 &General::writehash("${General::swroot}/guardian/settings", \%settings);
105
106 # Update configuration files.
107 &BuildConfiguration();
108 }
109
110## Add a new entry to the ignore file.
111#
112} elsif ($settings{'ACTION'} eq $Lang::tr{'add'}) {
113
114 # Check if any input has been performed.
115 if ($settings{'NEW_IGNORE_ENTRY'} ne '') {
116
117 # Check if the given input is no valid IP-address or IP-address with subnet, display an error message.
118 if ((!&General::validip($settings{'NEW_IGNORE_ENTRY'})) && (!&General::validipandmask($settings{'NEW_IGNORE_ENTRY'}))) {
119 $errormessage = "$Lang::tr{'guardian invalid address or subnet'}";
120 }
121 } else {
122 $errormessage = "$Lang::tr{'guardian empty input'}";
123 }
124
125 # Go further if there was no error.
126 if ($errormessage eq '') {
127 my $new_entry = $settings{'NEW_IGNORE_ENTRY'};
128
129 # Open file for appending the new entry.
130 open (FILE, ">>$ignorefile") or die "Unable to open $ignorefile for writing";
131
132 # Write the new entry to the ignore file.
133 print FILE "$new_entry\n";
134 close(FILE);
135 }
136
137## Remove entry from ignore list.
138#
139} elsif ($settings{'ACTION'} eq $Lang::tr{'remove'}) {
140 my $id = 0;
141
142 # Open ignorefile and read content.
143 open(FILE, "<$ignorefile") or die "Unable to open $ignorefile.";
144 my @current = <FILE>;
145 close(FILE);
146
147 # Re-open ignorefile for writing.
148 open(FILE, ">$ignorefile") or die "Unable to open $ignorefile for writing";
149 flock FILE, 2;
150
151 # Read line by line from ignorefile and write them back except the line with the given ID.
152 # So this line is missing in the new file and the entry has been deleted.
153 foreach my $line (@current) {
154 $id++;
155 unless ($cgiparams{'ID'} eq $id) {
156 print FILE "$line";
157 }
158 }
159 close(FILE);
160
161## Block a user given address or subnet.
162#
163} elsif ($settings{'ACTION'} eq $Lang::tr{'block'}) {
164
165 # Check if no empty input has been performed.
166 if ($settings{'ADDRESS_BLOCK'} ne '') {
167
168 # Check if the given input is no valid IP-address or IP-address with subnet, display an error message.
169 if ((!&General::validip($settings{'ADDRESS_BLOCK'})) && (!&General::validipandmask($settings{'ADDRESS_BLOCK'}))) {
170 $errormessage = "$Lang::tr{'guardian invalid address or subnet'}";
171 }
172
173 } else {
174 $errormessage = "$Lang::tr{'guardian empty input'}";
175 }
176
177 # Go further if there was no error.
178 if ($errormessage eq '') {
179 my $block = $settings{'ADDRESS_BLOCK'};
180
181 # Call helper to unblock address.
182 system("/usr/local/bin/guardianctrl block $block &>/dev/null");
183 }
184
185## Unblock address or subnet.
186#
187} elsif ($settings{'ACTION'} eq $Lang::tr{'unblock'}) {
188
189 # Check if no empty input has been performed.
190 if ($settings{'ADDRESS_UNBLOCK'} ne '') {
191
192 # Check if the given input is no valid IP-address or IP-address with subnet, display an error message.
193 if ((!&General::validip($settings{'ADDRESS_UNBLOCK'})) && (!&General::validipandmask($settings{'ADDRESS_UNBLOCK'}))) {
194 $errormessage = "$Lang::tr{'guardian invalid address or subnet'}";
195 }
196
197 } else {
198 $errormessage = "$Lang::tr{'guardian empty input'}";
199 }
200
201 # Go further if there was no error.
202 if ($errormessage eq '') {
203 my $unblock = $settings{'ADDRESS_UNBLOCK'};
204
205 # Call helper to unblock address.
206 system("/usr/local/bin/guardianctrl unblock $unblock &>/dev/null");
207 }
208
209## Unblock all.
210#
211} elsif ($settings{'ACTION'} eq $Lang::tr{'unblock all'}) {
212
213 # Call helper to flush iptables chain from guardian.
214 system("/usr/local/bin/guardianctrl flush-chain &>/dev/null");
215
216} else {
217 # Load settings from file.
218 &General::readhash("${General::swroot}/guardian/settings", \%settings);
219}
220
221
222# Call functions to generate whole page.
223&showMainBox();
224&showIgnoreBox();
225
226# Display area only if guardian is running.
227if ( ($memory != 0) && (@pid[0] ne "///") ) {
228 &showBlockedBox();
229}
230
231# Function to display the status of guardian and allow base configuration.
232sub showMainBox() {
233 my %checked = ();
7899718f 234 my %selected = ();
01dbccb1
SS		 235
236 $checked{'GUARDIAN_ENABLED'}{'on'} = '';
237 $checked{'GUARDIAN_ENABLED'}{'off'} = '';
238 $checked{'GUARDIAN_ENABLED'}{$settings{'GUARDIAN_ENABLED'}} = 'checked';
26fcd31e
SS		 239 $checked{'GUARDIAN_ENABLE_SNORT'}{'off'} = '';
240 $checked{'GUARDIAN_ENABLE_SNORT'}{'on'} = '';
241 $checked{'GUARDIAN_ENABLE_SNORT'}{$settings{'GUARDIAN_ENABLE_SNORT'}} = "checked='checked'";
242 $checked{'GUARDIAN_ENABLE_SSH'}{'off'} = '';
243 $checked{'GUARDIAN_ENABLE_SSH'}{'on'} = '';
244 $checked{'GUARDIAN_ENABLE_SSH'}{$settings{'GUARDIAN_ENABLE_SSH'}} = "checked='checked'";
245 $checked{'GUARDIAN_ENABLE_HTTPD'}{'off'} = '';
246 $checked{'GUARDIAN_ENABLE_HTTPD'}{'on'} = '';
247 $checked{'GUARDIAN_ENABLE_HTTPD'}{$settings{'GUARDIAN_ENABLE_HTTPD'}} = "checked='checked'";
01dbccb1 248
7899718f
SS		 249 $selected{'GUARDIAN_LOGLEVEL'}{$settings{'GUARDIAN_LOGLEVEL'}}= 'selected';
250
01dbccb1
SS		 251 &Header::openpage($Lang::tr{'guardian configuration'}, 1, '');
252 &Header::openbigbox('100%', 'left', '', $errormessage);
253
254 # Print errormessage if there is one.
255 if ($errormessage) {
256 &Header::openbox('100%', 'left', $Lang::tr{'error messages'});
257 print "<font class='base'>$errormessage&nbsp;</font>\n";
258 &Header::closebox();
259 }
260
261
262 # Draw current guardian state.
263 &Header::openbox('100%', 'center', $Lang::tr{'guardian'});
264
265 # Check if guardian is running and grab some stats.
266 &daemonstats();
267
268 # Display some useful information related to guardian, if daemon is running.
269 if ( ($memory != 0) && (@pid[0] ne "///") ){
270 print <<END;
271 <table width='95%' cellspacing='0' class='tbl'>
272 <tr>
273 <th bgcolor='$color{'color20'}' colspan='3' align='left'><strong>$Lang::tr{'guardian service'}</strong></th>
274 </tr>
275 <tr>
276 <td class='base'>$Lang::tr{'guardian daemon'}</td>
277 <td align='center' colspan='2' width='75%' bgcolor='${Header::colourgreen}'><font color='white'><strong>$Lang::tr{'running'}</strong></font></td>
278 </tr>
279 <tr>
280 <td class='base'></td>
281 <td bgcolor='$color{'color20'}' align='center'><strong>PID</strong></td>
282 <td bgcolor='$color{'color20'}' align='center'><strong>$Lang::tr{'memory'}</strong></td>
283 </tr>
284 <tr>
285 <td class='base'></td>
286 <td bgcolor='$color{'color22'}' align='center'>@pid[0]</td>
287 <td bgcolor='$color{'color22'}' align='center'>$memory KB</td>
288 </tr>
289 </table>
290END
291 } else {
292 # Otherwise display a hint that the service is not launched.
293 print <<END;
294 <table width='95%' cellspacing='0' class='tbl'>
295 <tr>
296 <th bgcolor='$color{'color20'}' colspan='3' align='left'><strong>$Lang::tr{'guardian service'}</strong></th>
297 </tr>
298 <tr>
299 <td class='base'>$Lang::tr{'guardian daemon'}</td>
300 <td align='center' width='75%' bgcolor='${Header::colourred}'><font color='white'><strong>$Lang::tr{'stopped'}</strong></font></td>
301 </tr>
302 </table>
303END
304 }
305
306 &Header::closebox();
307
308 # Draw elements for guardian configuration.
309 &Header::openbox('100%', 'center', $Lang::tr{'guardian configuration'});
310
311 print <<END;
312 <form method='post' action='$ENV{'SCRIPT_NAME'}'>
313
314 <table width='95%'>
315 <tr>
d2fea55e 316 <td colspan='2' class='base' bgcolor='$color{'color20'}'><b>$Lang::tr{'guardian common settings'}</b></td>
01dbccb1
SS		 317 </tr>
318 <tr>
319 <td width='20%' class='base'>$Lang::tr{'guardian enabled'}:</td>
d2fea55e 320 <td><input type='checkbox' name='GUARDIAN_ENABLED' $checked{'GUARDIAN_ENABLED'}{'on'} /></td>
01dbccb1 321 </tr>
26fcd31e
SS		 322 <tr>
323 <td colspan='2'><br></td>
324 </tr>
325 <tr>
06ff7e28 326 <td width='20%' class='base'>$Lang::tr{'guardian watch snort alertfile'}</td>
26fcd31e
SS		 327 <td align='left'>on <input type='radio' name='GUARDIAN_ENABLE_SNORT' value='on' $checked{'GUARDIAN_ENABLE_SNORT'}{'on'} /> /
328 <input type='radio' name='GUARDIAN_ENABLE_SNORT' value='off' $checked{'GUARDIAN_ENABLE_SNORT'}{'off'} /> off</td>
329 </tr>
330 <tr>
06ff7e28 331 <td width='20%' class='base'>$Lang::tr{'guardian block ssh brute-force'}</td>
26fcd31e
SS		 332 <td align='left'>on <input type='radio' name='GUARDIAN_ENABLE_SSH' value='on' $checked{'GUARDIAN_ENABLE_SSH'}{'on'} /> /
333 <input type='radio' name='GUARDIAN_ENABLE_SSH' value='off' $checked{'GUARDIAN_ENABLE_SSH'}{'off'} /> off</td>
334 </tr>
335 <tr>
06ff7e28 336 <td width='20%' class='base'>$Lang::tr{'guardian block httpd brute-force'}</td>
26fcd31e
SS		 337 <td align='left'>on <input type='radio' name='GUARDIAN_ENABLE_HTTPD' value='on' $checked{'GUARDIAN_ENABLE_HTTPD'}{'on'} /> /
338 <input type='radio' name='GUARDIAN_ENABLE_HTTPD' value='off' $checked{'GUARDIAN_ENABLE_HTTPD'}{'off'} /> off</td>
339 </tr>
340 <tr>
341 <td colspan='2'><br></td>
342 </tr>
7899718f
SS		 343 <tr>
344 <td align='left' width='20%'>$Lang::tr{'guardian loglevel'}</td>
345 <td><select name='GUARDIAN_LOGLEVEL'>
346 <option value='off' $selected{'GUARDIAN_LOGLEVEL'}{'off'}>off</option>
347 <option value='info' $selected{'GUARDIAN_LOGLEVEL'}{'info'}>info</option>
348 <option value='debug' $selected{'GUARDIAN_LOGLEVEL'}{'debug'}>debug</option>
349 </select></td>
350 </tr>
351
01dbccb1
SS		 352 <tr>
353 <td width='20%' class='base'>$Lang::tr{'guardian blocktime'}:</td>
d2fea55e 354 <td><input type='text' name='GUARDIAN_BLOCKTIME' value='$settings{'GUARDIAN_BLOCKTIME'}' size='10' /></td>
01dbccb1
SS		 355 </tr>
356 <tr>
357 <td width='20%' class='base'>$Lang::tr{'guardian logfile'}:</td>
d2fea55e 358 <td><input type='text' name='GUARDIAN_LOGFILE' value='$settings{'GUARDIAN_LOGFILE'}' size='30' /></td>
01dbccb1
SS		 359 </tr>
360 <tr>
361 <td width='20%' class='base'>$Lang::tr{'guardian snort alertfile'}:</td>
d2fea55e 362 <td><input type='text' name='GUARDIAN_SNORT_ALERTFILE' value='$settings{'GUARDIAN_SNORT_ALERTFILE'}' size='30' /></td>
01dbccb1
SS		 363 </tr>
364 </table>
365END
366
367 print <<END;
368 <hr>
369
370 <table width='95%'>
371 <tr>
372 <td>&nbsp;</td>
373 <td align='center'><input type='submit' name='ACTION' value='$Lang::tr{'save'}' /></td>
374 <td>&nbsp;</td>
375 </tr>
376 </table>
377 </form>
378END
379
380 &Header::closebox();
381}
382
383# Function to show elements of the guardian ignorefile and allow to add or remove single members of it.
384sub showIgnoreBox() {
385 &Header::openbox('100%', 'center', $Lang::tr{'guardian ignored hosts'});
386
387 print <<END;
388 <table width='60%'>
389 <tr>
390 <td colspan='2' class='base' bgcolor='$color{'color20'}'><b>$Lang::tr{'guardian ignored hosts'}</b></td>
391 </tr>
392END
393 # Check if the guardian ignore file contains any content.
394 if (-s $ignorefile) {
395
396 # Open file and print contents.
397 open FILE, $ignorefile or die "Could not open $ignorefile";
398
399 my $id = 0;
400 my $col = "";
401
402 # Read file line by line and print out the elements.
403 while( my $ignored_element = <FILE> ) {
404
405 # Increase id number for each element in the ignore file.
406 $id++;
407
408 # Check if the id number is even or not.
409 if ($id % 2) {
410 $col="bgcolor='$color{'color22'}'";
411 } else {
412 $col="bgcolor='$color{'color20'}'";
413 }
414
415 print <<END;
416 <tr>
417 <td width='80%' class='base' $col>$ignored_element</td>
418 <td width='20%' align='center' $col>
419 <form method='post' name='frma$id' action='$ENV{'SCRIPT_NAME'}'>
420 <input type='image' name='$Lang::tr{'remove'}' src='/images/delete.gif' title='$Lang::tr{'remove'}' alt='$Lang::tr{'remove'}'>
421 <input type='hidden' name='ID' value='$id'>
422 <input type='hidden' name='ACTION' value='$Lang::tr{'remove'}'>
423 </form>
424 </td>
425 </tr>
426END
427 }
428 close (FILE);
429 } else {
430 # Print notice that currently no elements are stored in the ignore file.
431 print "<tr>\n";
432 print "<td class='base' colspan='2'>$Lang::tr{'guardian no entries'}</td>\n";
433 print "</tr>\n";
434 }
435
436 print "</table>\n";
437
01dbccb1
SS		 438 # Section to add new elements to the ignore list.
439 print <<END;
1d5702a7
SS		 440 <br>
441 <div align='center'>
01dbccb1
SS		 442 <table width='60%'>
443 <form method='post' action='$ENV{'SCRIPT_NAME'}'>
444 <tr>
445 <td width='30%'>$Lang::tr{'dnsforward add a new entry'}: </td>
446 <td width='50%'><input type='text' name='NEW_IGNORE_ENTRY' value='' size='24' /></td>
447 <td align='center' width='20%'><input type='submit' name='ACTION' value='$Lang::tr{'add'}' /></td>
448 </tr>
449 </form>
450 </table>
451 </div>
452END
1d5702a7
SS		 453
454 &Header::closebox();
01dbccb1
SS		 455}
456
457# Function to list currently bocked addresses from guardian and unblock them or add custom entries to block.
458sub showBlockedBox() {
459 &Header::openbox('100%', 'center', $Lang::tr{'guardian blocked hosts'});
460
01dbccb1
SS		 461 print <<END;
462 <table width='60%'>
463 <tr>
464 <td colspan='2' class='base' bgcolor='$color{'color20'}'><b>$Lang::tr{'guardian blocked hosts'}</b></td>
465 </tr>
466END
467
5f462919
SS		 468 # Lauch function to get the currently blocked hosts.
469 my @blocked_hosts = &GetBlockedHosts();
470
01dbccb1 471 my $id = 0;
01dbccb1 472 my $col = "";
01dbccb1 473
5f462919
SS		 474 # Loop through our blocked hosts array.
475 foreach my $blocked_host (@blocked_hosts) {
01dbccb1
SS		 476
477 # Increase id number for each element in the ignore file.
478 $id++;
479
480 # Check if the id number is even or not.
481 if ($id % 2) {
482 $col="bgcolor='$color{'color22'}'";
483 } else {
484 $col="bgcolor='$color{'color20'}'";
485 }
486
487 print <<END;
488 <tr>
8b8413e5 489 <td width='80%' class='base' $col><a href='/cgi-bin/ipinfo.cgi?ip=$blocked_host'>$blocked_host</a></td>
01dbccb1
SS		 490 <td width='20%' align='center' $col>
491 <form method='post' name='frmb$id' action='$ENV{'SCRIPT_NAME'}'>
492 <input type='image' name='$Lang::tr{'unblock'}' src='/images/delete.gif' title='$Lang::tr{'unblock'}' alt='$Lang::tr{'unblock'}'>
493 <input type='hidden' name='ADDRESS_UNBLOCK' value='$blocked_host'>
494 <input type='hidden' name='ACTION' value='$Lang::tr{'unblock'}'>
495 </form>
496 </td>
497 </tr>
498END
499 }
500
01dbccb1
SS		 501 # If the loop only has been runs once the id still is "0", which means there are no
502 # additional entries (blocked hosts) in the iptables chain.
503 if ($id == 0) {
504
505 # Print notice that currently no hosts are blocked.
506 print "<tr>\n";
507 print "<td class='base' colspan='2'>$Lang::tr{'guardian no entries'}</td>\n";
508 print "</tr>\n";
509 }
510
511 print "</table>\n";
512
01dbccb1
SS		 513 # Section for a manual block of an IP-address.
514 print <<END;
1d5702a7
SS		 515 <br>
516 <div align='center'>
517 <table width='60%' border='0'>
01dbccb1
SS		 518 <form method='post' action='$ENV{'SCRIPT_NAME'}'>
519 <tr>
520 <td width='30%'>$Lang::tr{'guardian block a host'}: </td>
521 <td width='40%'><input type='text' name='ADDRESS_BLOCK' value='' size='24' /></td>
522 <td align='center' width='15%'><input type='submit' name='ACTION' value='$Lang::tr{'block'}'></td>
523 <td align='center' width='15%'><input type='submit' name='ACTION' value='$Lang::tr{'unblock all'}'></td>
524 </tr>
525 </form>
526 </table>
527 </div>
528END
1d5702a7
SS		 529
530 &Header::closebox();
01dbccb1
SS		 531}
532
533&Header::closebigbox();
534&Header::closepage();
535
536# Function to check if guardian has been started.
537# Grab process id and consumed memory if the daemon is running.
538sub daemonstats() {
539 $memory = 0;
540 # for pid and memory
541 open(FILE, '/usr/local/bin/addonctrl guardian status | ');
542 @guardian = <FILE>;
543 close(FILE);
544 $string = join("", @guardian);
545 $string =~ s/[a-z_]//gi;
546 $string =~ s/\[[0-1]\;[0-9]+//gi;
547 $string =~ s/[\(\)\.]//gi;
548 $string =~ s/ //gi;
549 $string =~ s/\e//gi;
550 @pid = split(/\s/,$string);
551 if (open(FILE, "/proc/$pid[0]/statm")){
552 my $temp = <FILE>;
553 @memory = split(/ /,$temp);
554 close(FILE);
555 }
556 $memory+=$memory[0];
557}
558
5f462919
SS		 559sub GetBlockedHosts() {
560
561 # Create new, empty array.
562 my @hosts;
563
564 # Lauch helper to get chains from iptables.
565 open(FILE, "/usr/local/bin/guardianctrl get-chain |");
566
567 # Read file line by line and print out the elements.
568 foreach my $line (<FILE>) {
569
570 # Skip descriptive lines.
571 next if ($line =~ /^Chain/);
572 next if ($line =~ /^ pkts/);
573
574 # Generate array, based on the line content (seperator is a single or multiple space's)
575 my @comps = split(/\s{1,}/, $line);
576 my ($lead, $pkts, $bytes, $target, $prot, $opt, $in, $out, $source, $destination) = @comps;
577
578 # Assign different variable names.
579 my $blocked_host = $source;
580
581 # Add host to our hosts array.
582 push(@hosts, $blocked_host);
583 }
584
585 # Convert entries, sort them, write back and store the sorted entries into new array.
586 my @sorted = map { $_->[0] }
587 sort { $a->[1] <=> $b->[1] }
588 map { [$_, int sprintf("%03.f%03.f%03.f%03.f", split(/\./, $_))] }
589 @hosts;
590
591 # Return our sorted list.
592 return @sorted
593}
594
01dbccb1
SS		 595sub BuildConfiguration() {
596 my %settings = ();
597 &General::readhash("${General::swroot}/guardian/settings", \%settings);
598
599 my $configfile = "${General::swroot}/guardian/guardian.conf";
600
7f728591
SS		 601 # We set this to 1 (enabled) to prevent guardian from blocking the ISP gateway.
602 my $HostGatewayByte = "1";
603
7f728591 604 # Open configfile for writing.
01dbccb1
SS		 605 open(FILE, ">$configfile");
606
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SS		 607 print FILE "EnableSnortMonitoring $settings{'GUARDIAN_ENABLE_SNORT'}\n";
608 print FILE "EnableSSHMonitoring $settings{'GUARDIAN_ENABLE_SSH'}\n";
609 print FILE "EnableHTTPDMonitoring $settings{'GUARDIAN_ENABLE_HTTPD'}\n";
7899718f 610 print FILE "LogLevel $settings{'GUARDIAN_LOGLEVEL'}\n";
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SS		 611 print FILE "HostGatewayByte $HostGatewayByte\n";
612 print FILE "LogFile $settings{'GUARDIAN_LOGFILE'}\n";
613 print FILE "AlertFile $settings{'GUARDIAN_SNORT_ALERTFILE'}\n";
614 print FILE "IgnoreFile $ignorefile\n";
26fcd31e 615 print FILE "TimeLimit $settings{'GUARDIAN_BLOCKTIME'}\n";
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SS		 616
617 close(FILE);
618
619 # Restart the service.
620 if ($settings{'GUARDIAN_ENABLED'} eq 'on') {
621 system("/usr/local/bin/guardianctrl restart &>/dev/null");
622 } else {
623 system("/usr/local/bin/guardianctrl stop &>/dev/null");
624 }
625}
IPFire 2.x development tree