]>
Commit | Line | Data |
---|---|---|
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 | ||
22 | use strict; | |
23 | use Locale::Country; | |
24 | ||
25 | # enable only the following on debugging purpose | |
26 | use warnings; | |
27 | use CGI::Carp 'fatalsToBrowser'; | |
28 | ||
29 | require '/var/ipfire/general-functions.pl'; | |
30 | require "${General::swroot}/lang.pl"; | |
31 | require "${General::swroot}/header.pl"; | |
32 | ||
33 | #workaround to suppress a warning when a variable is used only once | |
34 | my @dummy = ( ${Header::colouryellow} ); | |
35 | undef (@dummy); | |
36 | ||
37 | my $string=(); | |
38 | my $memory=(); | |
39 | my @memory=(); | |
40 | my @pid=(); | |
41 | my @guardian=(); | |
01dbccb1 SS |
42 | |
43 | # Path to the guardian.ignore file. | |
44 | my $ignorefile ='/var/ipfire/guardian/guardian.ignore'; | |
45 | ||
01dbccb1 SS |
46 | our %netsettings = (); |
47 | &General::readhash("${General::swroot}/ethernet/settings", \%netsettings); | |
48 | ||
49 | our %color = (); | |
50 | our %mainsettings = (); | |
51 | &General::readhash("${General::swroot}/main/settings", \%mainsettings); | |
52 | &General::readhash("/srv/web/ipfire/html/themes/".$mainsettings{'THEME'}."/include/colors.txt", \%color); | |
53 | ||
28981fac SS |
54 | # Pakfire meta file for owncloud. |
55 | # (File exists when the addon is installed.) | |
bfb860ce | 56 | my $owncloud_meta = "/opt/pakfire/db/installed/meta-owncloud"; |
28981fac | 57 | |
01dbccb1 SS |
58 | our %settings = (); |
59 | ||
28981fac SS |
60 | $settings{'ACTION'} = ''; |
61 | ||
01dbccb1 | 62 | $settings{'GUARDIAN_ENABLED'} = 'off'; |
26fcd31e SS |
63 | $settings{'GUARDIAN_ENABLE_SNORT'} = 'on'; |
64 | $settings{'GUARDIAN_ENABLE_SSH'} = 'on'; | |
65 | $settings{'GUARDIAN_ENABLE_HTTPD'} = 'on'; | |
a35a0668 SS |
66 | $settings{'GUARDIAN_LOGLEVEL'} = 'info'; |
67 | $settings{'GUARDIAN_BLOCKCOUNT'} = '3'; | |
01dbccb1 SS |
68 | $settings{'GUARDIAN_BLOCKTIME'} = '86400'; |
69 | $settings{'GUARDIAN_LOGFILE'} = '/var/log/guardian/guardian.log'; | |
70 | $settings{'GUARDIAN_SNORT_ALERTFILE'} = '/var/log/snort/alert'; | |
4a7fc9f6 | 71 | $settings{'GUARDIAN_PRIORITY_LEVEL'} = '3'; |
01dbccb1 | 72 | |
28981fac SS |
73 | # Default settings for owncloud if installed. |
74 | if ( -e "$owncloud_meta") { | |
75 | $settings{'GUARDIAN_ENABLE_OWNCLOUD'} = 'off'; | |
76 | } | |
01dbccb1 SS |
77 | |
78 | my $errormessage = ''; | |
79 | ||
80 | &Header::showhttpheaders(); | |
81 | ||
82 | # Get GUI values. | |
83 | &Header::getcgihash(\%settings); | |
01dbccb1 | 84 | |
f8c3bfe0 SS |
85 | # Check if guardian is running and grab some stats. |
86 | &daemonstats(); | |
922ddf0e | 87 | my $pid = $pid[0]; |
f8c3bfe0 | 88 | |
01dbccb1 SS |
89 | ## Perform input checks and save settings. |
90 | # | |
91 | if ($settings{'ACTION'} eq $Lang::tr{'save'}) { | |
01dbccb1 | 92 | # Check for valid blocktime. |
96655fa6 | 93 | unless(($settings{'GUARDIAN_BLOCKTIME'} =~ /^\d+$/) && ($settings{'GUARDIAN_BLOCKTIME'} ne "0")) { |
01dbccb1 | 94 | $errormessage = "$Lang::tr{'guardian invalid blocktime'}"; |
a35a0668 SS |
95 | } |
96 | ||
97 | # Check if the bloccount is valid. | |
96655fa6 | 98 | unless(($settings{'GUARDIAN_BLOCKCOUNT'} =~ /^\d+$/) && ($settings{'GUARDIAN_BLOCKCOUNT'} ne "0")) { |
a35a0668 | 99 | $errormessage = "$Lang::tr{'guardian invalid blockcount'}"; |
01dbccb1 SS |
100 | } |
101 | ||
102 | # Check Logfile. | |
96655fa6 | 103 | unless($settings{'GUARDIAN_LOGFILE'} =~ /^[a-zA-Z0-9\.\/]+$/) { |
a35a0668 | 104 | $errormessage = "$Lang::tr{'guardian invalid logfile'}"; |
01dbccb1 SS |
105 | } |
106 | ||
107 | # Check input for snort alert file. | |
96655fa6 | 108 | unless($settings{'GUARDIAN_SNORT_ALERTFILE'} =~ /^[a-zA-Z0-9\.\/]+$/) { |
a35a0668 SS |
109 | $errormessage = "$Lang::tr{'guardian invalid alertfile'}"; |
110 | } | |
01dbccb1 SS |
111 | |
112 | # Only continue if no error message has been set. | |
96655fa6 | 113 | if($errormessage eq '') { |
01dbccb1 SS |
114 | # Write configuration settings to file. |
115 | &General::writehash("${General::swroot}/guardian/settings", \%settings); | |
116 | ||
117 | # Update configuration files. | |
118 | &BuildConfiguration(); | |
119 | } | |
120 | ||
121 | ## Add a new entry to the ignore file. | |
122 | # | |
123 | } elsif ($settings{'ACTION'} eq $Lang::tr{'add'}) { | |
124 | ||
125 | # Check if any input has been performed. | |
126 | if ($settings{'NEW_IGNORE_ENTRY'} ne '') { | |
127 | ||
128 | # Check if the given input is no valid IP-address or IP-address with subnet, display an error message. | |
129 | if ((!&General::validip($settings{'NEW_IGNORE_ENTRY'})) && (!&General::validipandmask($settings{'NEW_IGNORE_ENTRY'}))) { | |
130 | $errormessage = "$Lang::tr{'guardian invalid address or subnet'}"; | |
131 | } | |
132 | } else { | |
133 | $errormessage = "$Lang::tr{'guardian empty input'}"; | |
134 | } | |
135 | ||
136 | # Go further if there was no error. | |
137 | if ($errormessage eq '') { | |
138 | my $new_entry = $settings{'NEW_IGNORE_ENTRY'}; | |
139 | ||
140 | # Open file for appending the new entry. | |
141 | open (FILE, ">>$ignorefile") or die "Unable to open $ignorefile for writing"; | |
142 | ||
143 | # Write the new entry to the ignore file. | |
144 | print FILE "$new_entry\n"; | |
145 | close(FILE); | |
146 | } | |
147 | ||
f8c3bfe0 SS |
148 | # Check if guardian is running. |
149 | if ($pid > 0) { | |
150 | # Call guardianctrl to perform a reload. | |
151 | system("/usr/local/bin/guardianctrl reload &>/dev/null"); | |
152 | } | |
153 | ||
01dbccb1 SS |
154 | ## Remove entry from ignore list. |
155 | # | |
156 | } elsif ($settings{'ACTION'} eq $Lang::tr{'remove'}) { | |
157 | my $id = 0; | |
158 | ||
159 | # Open ignorefile and read content. | |
160 | open(FILE, "<$ignorefile") or die "Unable to open $ignorefile."; | |
161 | my @current = <FILE>; | |
162 | close(FILE); | |
163 | ||
164 | # Re-open ignorefile for writing. | |
165 | open(FILE, ">$ignorefile") or die "Unable to open $ignorefile for writing"; | |
166 | flock FILE, 2; | |
167 | ||
168 | # Read line by line from ignorefile and write them back except the line with the given ID. | |
169 | # So this line is missing in the new file and the entry has been deleted. | |
170 | foreach my $line (@current) { | |
171 | $id++; | |
a35a0668 | 172 | unless ($settings{'ID'} eq $id) { |
01dbccb1 SS |
173 | print FILE "$line"; |
174 | } | |
175 | } | |
176 | close(FILE); | |
177 | ||
f8c3bfe0 SS |
178 | # Check if guardian is running. |
179 | if ($pid > 0) { | |
180 | # Call guardianctrl to perform a reload. | |
181 | system("/usr/local/bin/guardianctrl reload &>/dev/null"); | |
182 | } | |
183 | ||
01dbccb1 SS |
184 | ## Block a user given address or subnet. |
185 | # | |
186 | } elsif ($settings{'ACTION'} eq $Lang::tr{'block'}) { | |
187 | ||
c973d6da SS |
188 | # Assign some temporary variables used for input validation. |
189 | my $input = $settings{'ADDRESS_BLOCK'}; | |
190 | my $green = $netsettings{'GREEN_ADDRESS'}; | |
191 | my $blue = $netsettings{'BLUE_ADDRESS'}; | |
192 | my $orange = $netsettings{'ORANGE_ADDRESS'}; | |
193 | my $red = $netsettings{'RED_ADDRESS'}; | |
01dbccb1 | 194 | |
c973d6da SS |
195 | # Get gateway address. |
196 | my $gateway = &General::get_gateway(); | |
01dbccb1 | 197 | |
c973d6da SS |
198 | # Check if any input has been performed. |
199 | if ($input eq '') { | |
200 | $errormessage = "$Lang::tr{'guardian empty input'}"; | |
201 | } | |
202 | ||
203 | # Check if the given input is localhost (127.0.0.1). | |
204 | elsif ($input eq "127.0.0.1") { | |
205 | $errormessage = "$Lang::tr{'guardian blocking of this address is not allowed'}"; | |
206 | } | |
207 | ||
208 | # Check if the given input is anywhere (0.0.0.0). | |
209 | elsif ($input eq "0.0.0.0") { | |
210 | $errormessage = "$Lang::tr{'guardian blocking of this address is not allowed'}"; | |
211 | } | |
212 | ||
213 | # Check if the given input is one of the interface addresses or our gateway. | |
214 | elsif ($input eq "$green" || $input eq "$blue" || $input eq "$orange" || $input eq "$red" || $input eq "$gateway") { | |
215 | $errormessage = "$Lang::tr{'guardian blocking of this address is not allowed'}"; | |
216 | } | |
217 | ||
218 | # Check if the given input is a valid IP address. | |
219 | elsif (!&General::validip($input)) { | |
220 | $errormessage = "$Lang::tr{'guardian invalid address or subnet'}"; | |
221 | } | |
01dbccb1 SS |
222 | |
223 | # Go further if there was no error. | |
224 | if ($errormessage eq '') { | |
225 | my $block = $settings{'ADDRESS_BLOCK'}; | |
226 | ||
227 | # Call helper to unblock address. | |
228 | system("/usr/local/bin/guardianctrl block $block &>/dev/null"); | |
229 | } | |
230 | ||
231 | ## Unblock address or subnet. | |
232 | # | |
233 | } elsif ($settings{'ACTION'} eq $Lang::tr{'unblock'}) { | |
234 | ||
235 | # Check if no empty input has been performed. | |
236 | if ($settings{'ADDRESS_UNBLOCK'} ne '') { | |
237 | ||
238 | # Check if the given input is no valid IP-address or IP-address with subnet, display an error message. | |
239 | if ((!&General::validip($settings{'ADDRESS_UNBLOCK'})) && (!&General::validipandmask($settings{'ADDRESS_UNBLOCK'}))) { | |
240 | $errormessage = "$Lang::tr{'guardian invalid address or subnet'}"; | |
241 | } | |
242 | ||
243 | } else { | |
244 | $errormessage = "$Lang::tr{'guardian empty input'}"; | |
245 | } | |
246 | ||
247 | # Go further if there was no error. | |
248 | if ($errormessage eq '') { | |
249 | my $unblock = $settings{'ADDRESS_UNBLOCK'}; | |
250 | ||
251 | # Call helper to unblock address. | |
252 | system("/usr/local/bin/guardianctrl unblock $unblock &>/dev/null"); | |
253 | } | |
254 | ||
255 | ## Unblock all. | |
256 | # | |
257 | } elsif ($settings{'ACTION'} eq $Lang::tr{'unblock all'}) { | |
258 | ||
259 | # Call helper to flush iptables chain from guardian. | |
260 | system("/usr/local/bin/guardianctrl flush-chain &>/dev/null"); | |
01dbccb1 SS |
261 | } |
262 | ||
36dbcf2e SS |
263 | # Load settings from file. |
264 | &General::readhash("${General::swroot}/guardian/settings", \%settings); | |
01dbccb1 SS |
265 | |
266 | # Call functions to generate whole page. | |
267 | &showMainBox(); | |
268 | &showIgnoreBox(); | |
269 | ||
270 | # Display area only if guardian is running. | |
f8c3bfe0 | 271 | if ( ($memory != 0) && ($pid > 0) ) { |
01dbccb1 SS |
272 | &showBlockedBox(); |
273 | } | |
274 | ||
275 | # Function to display the status of guardian and allow base configuration. | |
276 | sub showMainBox() { | |
277 | my %checked = (); | |
7899718f | 278 | my %selected = (); |
01dbccb1 SS |
279 | |
280 | $checked{'GUARDIAN_ENABLED'}{'on'} = ''; | |
281 | $checked{'GUARDIAN_ENABLED'}{'off'} = ''; | |
282 | $checked{'GUARDIAN_ENABLED'}{$settings{'GUARDIAN_ENABLED'}} = 'checked'; | |
26fcd31e SS |
283 | $checked{'GUARDIAN_ENABLE_SNORT'}{'off'} = ''; |
284 | $checked{'GUARDIAN_ENABLE_SNORT'}{'on'} = ''; | |
285 | $checked{'GUARDIAN_ENABLE_SNORT'}{$settings{'GUARDIAN_ENABLE_SNORT'}} = "checked='checked'"; | |
286 | $checked{'GUARDIAN_ENABLE_SSH'}{'off'} = ''; | |
287 | $checked{'GUARDIAN_ENABLE_SSH'}{'on'} = ''; | |
288 | $checked{'GUARDIAN_ENABLE_SSH'}{$settings{'GUARDIAN_ENABLE_SSH'}} = "checked='checked'"; | |
289 | $checked{'GUARDIAN_ENABLE_HTTPD'}{'off'} = ''; | |
290 | $checked{'GUARDIAN_ENABLE_HTTPD'}{'on'} = ''; | |
291 | $checked{'GUARDIAN_ENABLE_HTTPD'}{$settings{'GUARDIAN_ENABLE_HTTPD'}} = "checked='checked'"; | |
28981fac SS |
292 | $checked{'GUARDIAN_ENABLE_OWNCLOUD'}{'off'} = ''; |
293 | $checked{'GUARDIAN_ENABLE_OWNCLOUD'}{'on'} = ''; | |
294 | $checked{'GUARDIAN_ENABLE_OWNCLOUD'}{$settings{'GUARDIAN_ENABLE_OWNCLOUD'}} = "checked='checked'"; | |
01dbccb1 | 295 | |
4a7fc9f6 SS |
296 | $selected{'GUARDIAN_LOGLEVEL'}{$settings{'GUARDIAN_LOGLEVEL'}} = 'selected'; |
297 | $selected{'GUARDIAN_PRIORITY_LEVEL'}{$settings{'GUARDIAN_PRIORITY_LEVEL'}} = 'selected'; | |
7899718f | 298 | |
01dbccb1 SS |
299 | &Header::openpage($Lang::tr{'guardian configuration'}, 1, ''); |
300 | &Header::openbigbox('100%', 'left', '', $errormessage); | |
301 | ||
302 | # Print errormessage if there is one. | |
303 | if ($errormessage) { | |
304 | &Header::openbox('100%', 'left', $Lang::tr{'error messages'}); | |
305 | print "<font class='base'>$errormessage </font>\n"; | |
306 | &Header::closebox(); | |
307 | } | |
308 | ||
309 | ||
310 | # Draw current guardian state. | |
311 | &Header::openbox('100%', 'center', $Lang::tr{'guardian'}); | |
312 | ||
f8c3bfe0 | 313 | # Get current status of guardian. |
01dbccb1 | 314 | &daemonstats(); |
922ddf0e | 315 | $pid = $pid[0]; |
01dbccb1 SS |
316 | |
317 | # Display some useful information related to guardian, if daemon is running. | |
f8c3bfe0 | 318 | if ( ($memory != 0) && ($pid > 0) ){ |
01dbccb1 SS |
319 | print <<END; |
320 | <table width='95%' cellspacing='0' class='tbl'> | |
321 | <tr> | |
322 | <th bgcolor='$color{'color20'}' colspan='3' align='left'><strong>$Lang::tr{'guardian service'}</strong></th> | |
323 | </tr> | |
324 | <tr> | |
325 | <td class='base'>$Lang::tr{'guardian daemon'}</td> | |
326 | <td align='center' colspan='2' width='75%' bgcolor='${Header::colourgreen}'><font color='white'><strong>$Lang::tr{'running'}</strong></font></td> | |
327 | </tr> | |
328 | <tr> | |
329 | <td class='base'></td> | |
330 | <td bgcolor='$color{'color20'}' align='center'><strong>PID</strong></td> | |
331 | <td bgcolor='$color{'color20'}' align='center'><strong>$Lang::tr{'memory'}</strong></td> | |
332 | </tr> | |
333 | <tr> | |
334 | <td class='base'></td> | |
922ddf0e | 335 | <td bgcolor='$color{'color22'}' align='center'>$pid</td> |
01dbccb1 SS |
336 | <td bgcolor='$color{'color22'}' align='center'>$memory KB</td> |
337 | </tr> | |
338 | </table> | |
339 | END | |
340 | } else { | |
341 | # Otherwise display a hint that the service is not launched. | |
342 | print <<END; | |
343 | <table width='95%' cellspacing='0' class='tbl'> | |
344 | <tr> | |
345 | <th bgcolor='$color{'color20'}' colspan='3' align='left'><strong>$Lang::tr{'guardian service'}</strong></th> | |
346 | </tr> | |
347 | <tr> | |
348 | <td class='base'>$Lang::tr{'guardian daemon'}</td> | |
349 | <td align='center' width='75%' bgcolor='${Header::colourred}'><font color='white'><strong>$Lang::tr{'stopped'}</strong></font></td> | |
350 | </tr> | |
351 | </table> | |
352 | END | |
353 | } | |
354 | ||
355 | &Header::closebox(); | |
356 | ||
357 | # Draw elements for guardian configuration. | |
358 | &Header::openbox('100%', 'center', $Lang::tr{'guardian configuration'}); | |
359 | ||
360 | print <<END; | |
361 | <form method='post' action='$ENV{'SCRIPT_NAME'}'> | |
362 | ||
363 | <table width='95%'> | |
364 | <tr> | |
d2fea55e | 365 | <td colspan='2' class='base' bgcolor='$color{'color20'}'><b>$Lang::tr{'guardian common settings'}</b></td> |
01dbccb1 SS |
366 | </tr> |
367 | <tr> | |
368 | <td width='20%' class='base'>$Lang::tr{'guardian enabled'}:</td> | |
d2fea55e | 369 | <td><input type='checkbox' name='GUARDIAN_ENABLED' $checked{'GUARDIAN_ENABLED'}{'on'} /></td> |
01dbccb1 | 370 | </tr> |
26fcd31e SS |
371 | <tr> |
372 | <td colspan='2'><br></td> | |
373 | </tr> | |
374 | <tr> | |
06ff7e28 | 375 | <td width='20%' class='base'>$Lang::tr{'guardian watch snort alertfile'}</td> |
26fcd31e SS |
376 | <td align='left'>on <input type='radio' name='GUARDIAN_ENABLE_SNORT' value='on' $checked{'GUARDIAN_ENABLE_SNORT'}{'on'} /> / |
377 | <input type='radio' name='GUARDIAN_ENABLE_SNORT' value='off' $checked{'GUARDIAN_ENABLE_SNORT'}{'off'} /> off</td> | |
378 | </tr> | |
379 | <tr> | |
06ff7e28 | 380 | <td width='20%' class='base'>$Lang::tr{'guardian block ssh brute-force'}</td> |
26fcd31e SS |
381 | <td align='left'>on <input type='radio' name='GUARDIAN_ENABLE_SSH' value='on' $checked{'GUARDIAN_ENABLE_SSH'}{'on'} /> / |
382 | <input type='radio' name='GUARDIAN_ENABLE_SSH' value='off' $checked{'GUARDIAN_ENABLE_SSH'}{'off'} /> off</td> | |
383 | </tr> | |
384 | <tr> | |
06ff7e28 | 385 | <td width='20%' class='base'>$Lang::tr{'guardian block httpd brute-force'}</td> |
26fcd31e SS |
386 | <td align='left'>on <input type='radio' name='GUARDIAN_ENABLE_HTTPD' value='on' $checked{'GUARDIAN_ENABLE_HTTPD'}{'on'} /> / |
387 | <input type='radio' name='GUARDIAN_ENABLE_HTTPD' value='off' $checked{'GUARDIAN_ENABLE_HTTPD'}{'off'} /> off</td> | |
388 | </tr> | |
28981fac SS |
389 | END |
390 | # Display owncloud checkbox when the addon is installed. | |
391 | if ( -e "$owncloud_meta" ) { | |
392 | print"<tr>\n"; | |
393 | print"<td width='20%' class='base'>$Lang::tr{'guardian block owncloud brute-force'}</td>\n"; | |
394 | print"<td align='left'>on <input type='radio' name='GUARDIAN_ENABLE_OWNCLOUD' value='on' $checked{'GUARDIAN_ENABLE_OWNCLOUD'}{'on'} /> /\n"; | |
395 | print"<input type='radio' name='GUARDIAN_ENABLE_OWNCLOUD' value='off' $checked{'GUARDIAN_ENABLE_OWNCLOUD'}{'off'} /> off</td>\n"; | |
396 | print"</tr>\n"; | |
397 | } | |
398 | print <<END; | |
26fcd31e SS |
399 | <tr> |
400 | <td colspan='2'><br></td> | |
401 | </tr> | |
7899718f | 402 | <tr> |
a35a0668 | 403 | <td align='left' width='20%'>$Lang::tr{'guardian loglevel'}:</td> |
7899718f SS |
404 | <td><select name='GUARDIAN_LOGLEVEL'> |
405 | <option value='off' $selected{'GUARDIAN_LOGLEVEL'}{'off'}>off</option> | |
406 | <option value='info' $selected{'GUARDIAN_LOGLEVEL'}{'info'}>info</option> | |
407 | <option value='debug' $selected{'GUARDIAN_LOGLEVEL'}{'debug'}>debug</option> | |
408 | </select></td> | |
409 | </tr> | |
a35a0668 SS |
410 | <tr> |
411 | <td colspan='2'><br></td> | |
412 | </tr> | |
4a7fc9f6 SS |
413 | <tr> |
414 | <td align='left' width='20%'>$Lang::tr{'guardian priority level'}:</td> | |
415 | <td><select name='GUARDIAN_PRIORITY_LEVEL'> | |
416 | <option value='1' $selected{'GUARDIAN_PRIORITY_LEVEL'}{'1'}>1</option> | |
417 | <option value='2' $selected{'GUARDIAN_PRIORITY_LEVEL'}{'2'}>2</option> | |
418 | <option value='3' $selected{'GUARDIAN_PRIORITY_LEVEL'}{'3'}>3</option> | |
419 | <option value='4' $selected{'GUARDIAN_PRIORITY_LEVEL'}{'4'}>4</option> | |
420 | </select></td> | |
421 | </tr> | |
422 | <tr> | |
423 | <td colspan='2'><br></td> | |
424 | </tr> | |
a35a0668 SS |
425 | <tr> |
426 | <td width='20%' class='base'>$Lang::tr{'guardian blockcount'}:</td> | |
427 | <td><input type='text' name='GUARDIAN_BLOCKCOUNT' value='$settings{'GUARDIAN_BLOCKCOUNT'}' size='5' /></td> | |
428 | </tr> | |
01dbccb1 SS |
429 | <tr> |
430 | <td width='20%' class='base'>$Lang::tr{'guardian blocktime'}:</td> | |
d2fea55e | 431 | <td><input type='text' name='GUARDIAN_BLOCKTIME' value='$settings{'GUARDIAN_BLOCKTIME'}' size='10' /></td> |
01dbccb1 SS |
432 | </tr> |
433 | <tr> | |
434 | <td width='20%' class='base'>$Lang::tr{'guardian logfile'}:</td> | |
d2fea55e | 435 | <td><input type='text' name='GUARDIAN_LOGFILE' value='$settings{'GUARDIAN_LOGFILE'}' size='30' /></td> |
01dbccb1 SS |
436 | </tr> |
437 | <tr> | |
438 | <td width='20%' class='base'>$Lang::tr{'guardian snort alertfile'}:</td> | |
d2fea55e | 439 | <td><input type='text' name='GUARDIAN_SNORT_ALERTFILE' value='$settings{'GUARDIAN_SNORT_ALERTFILE'}' size='30' /></td> |
01dbccb1 SS |
440 | </tr> |
441 | </table> | |
442 | END | |
443 | ||
444 | print <<END; | |
445 | <hr> | |
446 | ||
447 | <table width='95%'> | |
448 | <tr> | |
449 | <td> </td> | |
450 | <td align='center'><input type='submit' name='ACTION' value='$Lang::tr{'save'}' /></td> | |
451 | <td> </td> | |
452 | </tr> | |
453 | </table> | |
454 | </form> | |
455 | END | |
456 | ||
457 | &Header::closebox(); | |
458 | } | |
459 | ||
460 | # Function to show elements of the guardian ignorefile and allow to add or remove single members of it. | |
461 | sub showIgnoreBox() { | |
462 | &Header::openbox('100%', 'center', $Lang::tr{'guardian ignored hosts'}); | |
463 | ||
464 | print <<END; | |
465 | <table width='60%'> | |
466 | <tr> | |
467 | <td colspan='2' class='base' bgcolor='$color{'color20'}'><b>$Lang::tr{'guardian ignored hosts'}</b></td> | |
468 | </tr> | |
469 | END | |
470 | # Check if the guardian ignore file contains any content. | |
471 | if (-s $ignorefile) { | |
472 | ||
473 | # Open file and print contents. | |
474 | open FILE, $ignorefile or die "Could not open $ignorefile"; | |
475 | ||
476 | my $id = 0; | |
477 | my $col = ""; | |
478 | ||
479 | # Read file line by line and print out the elements. | |
480 | while( my $ignored_element = <FILE> ) { | |
481 | ||
482 | # Increase id number for each element in the ignore file. | |
483 | $id++; | |
484 | ||
485 | # Check if the id number is even or not. | |
486 | if ($id % 2) { | |
487 | $col="bgcolor='$color{'color22'}'"; | |
488 | } else { | |
489 | $col="bgcolor='$color{'color20'}'"; | |
490 | } | |
491 | ||
492 | print <<END; | |
493 | <tr> | |
494 | <td width='80%' class='base' $col>$ignored_element</td> | |
495 | <td width='20%' align='center' $col> | |
a35a0668 | 496 | <form method='post' name='$id' action='$ENV{'SCRIPT_NAME'}'> |
01dbccb1 SS |
497 | <input type='image' name='$Lang::tr{'remove'}' src='/images/delete.gif' title='$Lang::tr{'remove'}' alt='$Lang::tr{'remove'}'> |
498 | <input type='hidden' name='ID' value='$id'> | |
499 | <input type='hidden' name='ACTION' value='$Lang::tr{'remove'}'> | |
500 | </form> | |
501 | </td> | |
502 | </tr> | |
503 | END | |
504 | } | |
505 | close (FILE); | |
506 | } else { | |
507 | # Print notice that currently no elements are stored in the ignore file. | |
508 | print "<tr>\n"; | |
509 | print "<td class='base' colspan='2'>$Lang::tr{'guardian no entries'}</td>\n"; | |
510 | print "</tr>\n"; | |
511 | } | |
512 | ||
513 | print "</table>\n"; | |
514 | ||
01dbccb1 SS |
515 | # Section to add new elements to the ignore list. |
516 | print <<END; | |
1d5702a7 SS |
517 | <br> |
518 | <div align='center'> | |
01dbccb1 SS |
519 | <table width='60%'> |
520 | <form method='post' action='$ENV{'SCRIPT_NAME'}'> | |
521 | <tr> | |
522 | <td width='30%'>$Lang::tr{'dnsforward add a new entry'}: </td> | |
523 | <td width='50%'><input type='text' name='NEW_IGNORE_ENTRY' value='' size='24' /></td> | |
524 | <td align='center' width='20%'><input type='submit' name='ACTION' value='$Lang::tr{'add'}' /></td> | |
525 | </tr> | |
526 | </form> | |
527 | </table> | |
528 | </div> | |
529 | END | |
1d5702a7 SS |
530 | |
531 | &Header::closebox(); | |
01dbccb1 SS |
532 | } |
533 | ||
534 | # Function to list currently bocked addresses from guardian and unblock them or add custom entries to block. | |
535 | sub showBlockedBox() { | |
536 | &Header::openbox('100%', 'center', $Lang::tr{'guardian blocked hosts'}); | |
537 | ||
01dbccb1 SS |
538 | print <<END; |
539 | <table width='60%'> | |
540 | <tr> | |
541 | <td colspan='2' class='base' bgcolor='$color{'color20'}'><b>$Lang::tr{'guardian blocked hosts'}</b></td> | |
542 | </tr> | |
543 | END | |
544 | ||
5f462919 SS |
545 | # Lauch function to get the currently blocked hosts. |
546 | my @blocked_hosts = &GetBlockedHosts(); | |
547 | ||
01dbccb1 | 548 | my $id = 0; |
01dbccb1 | 549 | my $col = ""; |
01dbccb1 | 550 | |
5f462919 SS |
551 | # Loop through our blocked hosts array. |
552 | foreach my $blocked_host (@blocked_hosts) { | |
01dbccb1 SS |
553 | |
554 | # Increase id number for each element in the ignore file. | |
555 | $id++; | |
556 | ||
557 | # Check if the id number is even or not. | |
558 | if ($id % 2) { | |
559 | $col="bgcolor='$color{'color22'}'"; | |
560 | } else { | |
561 | $col="bgcolor='$color{'color20'}'"; | |
562 | } | |
563 | ||
564 | print <<END; | |
565 | <tr> | |
8b8413e5 | 566 | <td width='80%' class='base' $col><a href='/cgi-bin/ipinfo.cgi?ip=$blocked_host'>$blocked_host</a></td> |
01dbccb1 SS |
567 | <td width='20%' align='center' $col> |
568 | <form method='post' name='frmb$id' action='$ENV{'SCRIPT_NAME'}'> | |
569 | <input type='image' name='$Lang::tr{'unblock'}' src='/images/delete.gif' title='$Lang::tr{'unblock'}' alt='$Lang::tr{'unblock'}'> | |
570 | <input type='hidden' name='ADDRESS_UNBLOCK' value='$blocked_host'> | |
571 | <input type='hidden' name='ACTION' value='$Lang::tr{'unblock'}'> | |
572 | </form> | |
573 | </td> | |
574 | </tr> | |
575 | END | |
576 | } | |
577 | ||
01dbccb1 SS |
578 | # If the loop only has been runs once the id still is "0", which means there are no |
579 | # additional entries (blocked hosts) in the iptables chain. | |
580 | if ($id == 0) { | |
581 | ||
582 | # Print notice that currently no hosts are blocked. | |
583 | print "<tr>\n"; | |
584 | print "<td class='base' colspan='2'>$Lang::tr{'guardian no entries'}</td>\n"; | |
585 | print "</tr>\n"; | |
586 | } | |
587 | ||
588 | print "</table>\n"; | |
589 | ||
01dbccb1 SS |
590 | # Section for a manual block of an IP-address. |
591 | print <<END; | |
1d5702a7 SS |
592 | <br> |
593 | <div align='center'> | |
594 | <table width='60%' border='0'> | |
01dbccb1 SS |
595 | <form method='post' action='$ENV{'SCRIPT_NAME'}'> |
596 | <tr> | |
597 | <td width='30%'>$Lang::tr{'guardian block a host'}: </td> | |
598 | <td width='40%'><input type='text' name='ADDRESS_BLOCK' value='' size='24' /></td> | |
599 | <td align='center' width='15%'><input type='submit' name='ACTION' value='$Lang::tr{'block'}'></td> | |
600 | <td align='center' width='15%'><input type='submit' name='ACTION' value='$Lang::tr{'unblock all'}'></td> | |
601 | </tr> | |
602 | </form> | |
603 | </table> | |
604 | </div> | |
605 | END | |
1d5702a7 SS |
606 | |
607 | &Header::closebox(); | |
01dbccb1 SS |
608 | } |
609 | ||
610 | &Header::closebigbox(); | |
611 | &Header::closepage(); | |
612 | ||
613 | # Function to check if guardian has been started. | |
614 | # Grab process id and consumed memory if the daemon is running. | |
615 | sub daemonstats() { | |
616 | $memory = 0; | |
617 | # for pid and memory | |
618 | open(FILE, '/usr/local/bin/addonctrl guardian status | '); | |
619 | @guardian = <FILE>; | |
620 | close(FILE); | |
621 | $string = join("", @guardian); | |
622 | $string =~ s/[a-z_]//gi; | |
623 | $string =~ s/\[[0-1]\;[0-9]+//gi; | |
624 | $string =~ s/[\(\)\.]//gi; | |
625 | $string =~ s/ //gi; | |
626 | $string =~ s/\e//gi; | |
627 | @pid = split(/\s/,$string); | |
628 | if (open(FILE, "/proc/$pid[0]/statm")){ | |
629 | my $temp = <FILE>; | |
630 | @memory = split(/ /,$temp); | |
631 | close(FILE); | |
632 | } | |
633 | $memory+=$memory[0]; | |
634 | } | |
635 | ||
5f462919 SS |
636 | sub GetBlockedHosts() { |
637 | ||
638 | # Create new, empty array. | |
639 | my @hosts; | |
640 | ||
641 | # Lauch helper to get chains from iptables. | |
642 | open(FILE, "/usr/local/bin/guardianctrl get-chain |"); | |
643 | ||
644 | # Read file line by line and print out the elements. | |
645 | foreach my $line (<FILE>) { | |
646 | ||
647 | # Skip descriptive lines. | |
648 | next if ($line =~ /^Chain/); | |
649 | next if ($line =~ /^ pkts/); | |
650 | ||
651 | # Generate array, based on the line content (seperator is a single or multiple space's) | |
652 | my @comps = split(/\s{1,}/, $line); | |
653 | my ($lead, $pkts, $bytes, $target, $prot, $opt, $in, $out, $source, $destination) = @comps; | |
654 | ||
655 | # Assign different variable names. | |
656 | my $blocked_host = $source; | |
657 | ||
658 | # Add host to our hosts array. | |
659 | push(@hosts, $blocked_host); | |
660 | } | |
661 | ||
662 | # Convert entries, sort them, write back and store the sorted entries into new array. | |
663 | my @sorted = map { $_->[0] } | |
664 | sort { $a->[1] <=> $b->[1] } | |
665 | map { [$_, int sprintf("%03.f%03.f%03.f%03.f", split(/\./, $_))] } | |
666 | @hosts; | |
667 | ||
668 | # Return our sorted list. | |
669 | return @sorted | |
670 | } | |
671 | ||
01dbccb1 SS |
672 | sub BuildConfiguration() { |
673 | my %settings = (); | |
674 | &General::readhash("${General::swroot}/guardian/settings", \%settings); | |
675 | ||
676 | my $configfile = "${General::swroot}/guardian/guardian.conf"; | |
677 | ||
7f728591 SS |
678 | # We set this to 1 (enabled) to prevent guardian from blocking the ISP gateway. |
679 | my $HostGatewayByte = "1"; | |
680 | ||
7f728591 | 681 | # Open configfile for writing. |
01dbccb1 SS |
682 | open(FILE, ">$configfile"); |
683 | ||
473c7257 SS |
684 | print FILE "EnableSnortMonitoring\t\t$settings{'GUARDIAN_ENABLE_SNORT'}\n"; |
685 | print FILE "EnableSSHMonitoring\t\t$settings{'GUARDIAN_ENABLE_SSH'}\n"; | |
686 | print FILE "EnableHTTPDMonitoring\t\t$settings{'GUARDIAN_ENABLE_HTTPD'}\n"; | |
28981fac SS |
687 | |
688 | # Check if owncloud settings should be written. | |
689 | if (exists $settings{'GUARDIAN_ENABLE_OWNCLOUD'}) { | |
690 | print FILE "EnableOwncloudMonitoring\t$settings{'GUARDIAN_ENABLE_OWNCLOUD'}\n"; | |
691 | } | |
692 | ||
473c7257 SS |
693 | print FILE "LogLevel\t\t\t$settings{'GUARDIAN_LOGLEVEL'}\n"; |
694 | print FILE "BlockCount\t\t\t$settings{'GUARDIAN_BLOCKCOUNT'}\n"; | |
695 | print FILE "HostGatewayByte\t\t\t$HostGatewayByte\n"; | |
696 | print FILE "LogFile\t\t\t\t$settings{'GUARDIAN_LOGFILE'}\n"; | |
697 | print FILE "AlertFile\t\t\t$settings{'GUARDIAN_SNORT_ALERTFILE'}\n"; | |
698 | print FILE "IgnoreFile\t\t\t$ignorefile\n"; | |
699 | print FILE "TimeLimit\t\t\t$settings{'GUARDIAN_BLOCKTIME'}\n"; | |
700 | print FILE "PriorityLevel\t\t\t$settings{'GUARDIAN_PRIORITY_LEVEL'}\n"; | |
01dbccb1 SS |
701 | |
702 | close(FILE); | |
703 | ||
f8c3bfe0 SS |
704 | # Check if guardian should be started or stopped. |
705 | if($settings{'GUARDIAN_ENABLED'} eq 'on') { | |
706 | if($pid > 0) { | |
707 | # Call guardianctl to perform a reload. | |
708 | system("/usr/local/bin/guardianctrl reload &>/dev/null"); | |
709 | } else { | |
710 | # Launch guardian. | |
711 | system("/usr/local/bin/guardianctrl start &>/dev/null"); | |
712 | } | |
01dbccb1 | 713 | } else { |
f8c3bfe0 | 714 | # Stop the daemon. |
01dbccb1 SS |
715 | system("/usr/local/bin/guardianctrl stop &>/dev/null"); |
716 | } | |
717 | } |