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