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DHCP: Allow DNS Update configuration in the web user interface
[ipfire-2.x.git] / html / cgi-bin / dhcp.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 use strict;
23
24 # enable only the following on debugging purpose
25 #use warnings;
26 #use CGI::Carp 'fatalsToBrowser';
27
28 require '/var/ipfire/general-functions.pl';
29 require "${General::swroot}/lang.pl";
30 require "${General::swroot}/header.pl";
31 #workaround to suppress a warning when a variable is used only once
32 my @dummy = ( ${Header::colouryellow} );
33 undef (@dummy);
34
35 our %dhcpsettings=();
36 our %netsettings=();
37 my %mainsettings=();
38 my %timesettings=();
39 my $setting = "${General::swroot}/dhcp/settings";
40 our $filename1 = "${General::swroot}/dhcp/advoptions"; # Field separator is TAB in this file (comma is standart)
41 # because we need commas in the some data
42 our $filename2 = "${General::swroot}/dhcp/fixleases";
43 our $filename3 = "${General::swroot}/dhcp/advoptions-list"; # Describe the allowed syntax for dhcp options
44 my $errormessage = '';
45 my $warnNTPmessage = '';
46 my @nosaved=();
47 my %color = ();
48
49 #Basic syntax allowed for new Option definition. Not implemented: RECORDS & array of RECORDS
50 our $OptionTypes = 'boolean|((un)?signed )?integer (8|16|32)|ip-address|text|string|encapsulate \w+|array of ip-address';
51
52 &Header::showhttpheaders();
53 our @ITFs=('GREEN');
54 if (&Header::blue_used()){push(@ITFs,'BLUE');}
55
56 #Settings1 for the first screen box
57 foreach my $itf (@ITFs) {
58 $dhcpsettings{"ENABLE_${itf}"} = 'off';
59 $dhcpsettings{"ENABLEBOOTP_${itf}"} = 'off';
60 $dhcpsettings{"START_ADDR_${itf}"} = '';
61 $dhcpsettings{"END_ADDR_${itf}"} = '';
62 $dhcpsettings{"DOMAIN_NAME_${itf}"} = '';
63 $dhcpsettings{"DEFAULT_LEASE_TIME_${itf}"} = '';
64 $dhcpsettings{"MAX_LEASE_TIME_${itf}"} = '';
65 $dhcpsettings{"WINS1_${itf}"} = '';
66 $dhcpsettings{"WINS2_${itf}"} = '';
67 $dhcpsettings{"DNS1_${itf}"} = '';
68 $dhcpsettings{"DNS2_${itf}"} = '';
69 $dhcpsettings{"NTP1_${itf}"} = '';
70 $dhcpsettings{"NTP2_${itf}"} = '';
71 $dhcpsettings{"NEXT_${itf}"} = '';
72 $dhcpsettings{"FILE_${itf}"} = '';
73 $dhcpsettings{"DNS_UPDATE_KEY_NAME_${itf}"} = '';
74 $dhcpsettings{"DNS_UPDATE_KEY_SECRET_${itf}"} = '';
75 $dhcpsettings{"DNS_UPDATE_KEY_ALGO_${itf}"} = '';
76 }
77
78 $dhcpsettings{'SORT_FLEASELIST'} = 'FIPADDR';
79 $dhcpsettings{'SORT_LEASELIST'} = 'IPADDR';
80
81 # DNS Update settings
82 $dhcpsettings{'DNS_UPDATE_ENABLED'} = 'off';
83
84 #Settings2 for editing the multi-line list
85 #Must not be saved with writehash !
86 $dhcpsettings{'FIX_MAC'} = '';
87 $dhcpsettings{'FIX_ADDR'} = '';
88 $dhcpsettings{'FIX_ENABLED'} = 'off';
89 $dhcpsettings{'FIX_NEXTADDR'} = '';
90 $dhcpsettings{'FIX_FILENAME'} = '';
91 $dhcpsettings{'FIX_ROOTPATH'} = '';
92 $dhcpsettings{'FIX_REMARK'} = '';
93 $dhcpsettings{'ACTION'} = '';
94 $dhcpsettings{'KEY1'} = '';
95 $dhcpsettings{'KEY2'} = '';
96 @nosaved=('FIX_MAC','FIX_ADDR','FIX_ENABLED','FIX_NEXTADDR',
97 'FIX_FILENAME','FIX_ROOTPATH','FIX_REMARK');
98
99 $dhcpsettings{'ADVOPT_ENABLED'} = '';
100 $dhcpsettings{'ADVOPT_NAME'} = '';
101 $dhcpsettings{'ADVOPT_DATA'} = '';
102 unshift (@nosaved,'ADVOPT_ENABLED','ADVOPT_NAME','ADVOPT_DATA');
103 foreach my $itf (@ITFs) {
104 $dhcpsettings{"ADVOPT_SCOPE_${itf}"} = 'off';
105 unshift (@nosaved, "ADVOPT_SCOPE_${itf}");
106 }
107
108 # Read Ipcop settings
109 &General::readhash("${General::swroot}/ethernet/settings", \%netsettings);
110 &General::readhash("${General::swroot}/main/settings", \%mainsettings);
111 &General::readhash("${General::swroot}/time/settings", \%timesettings);
112 &General::readhash("/srv/web/ipfire/html/themes/".$mainsettings{'THEME'}."/include/colors.txt", \%color);
113
114 #Get GUI values
115 &Header::getcgihash(\%dhcpsettings);
116
117 open(FILE, "$filename1") or die 'Unable to open dhcp advanced options file.';
118 our @current1 = <FILE>;
119 close(FILE);
120 # Extract OptionDefinition
121 foreach my $line (@current1) {
122 #chomp($line); # remove newline #don't know why, but this remove newline in @current1 .... !
123 my @temp = split(/\t/,$line);
124 AddNewOptionDefinition ($temp[1] . ' ' . $temp[2]);
125 }
126
127 open(FILE, "$filename2") or die 'Unable to open fixed leases file.';
128 our @current2 = <FILE>;
129 close(FILE);
130
131 # Check Settings1 first because they are needed by &buildconf
132 if ($dhcpsettings{'ACTION'} eq $Lang::tr{'save'}) {
133 foreach my $itf (@ITFs) {
134 if ($dhcpsettings{"ENABLE_${itf}"} eq 'on' ) {
135 # "Start" is defined, need "End" and vice versa
136 if ($dhcpsettings{"START_ADDR_${itf}"}) {
137 if (!(&General::validip($dhcpsettings{"START_ADDR_${itf}"}))) {
138 $errormessage = "DHCP on ${itf}: " . $Lang::tr{'invalid start address'};
139 goto ERROR;
140 }
141 if (!$dhcpsettings{"END_ADDR_${itf}"}) {
142 $errormessage = "DHCP on ${itf}: " . $Lang::tr{'invalid end address'};
143 goto ERROR;
144 }
145 if (! &General::IpInSubnet ( $dhcpsettings{"START_ADDR_${itf}"},
146 $netsettings{"${itf}_NETADDRESS"},
147 $netsettings{"${itf}_NETMASK"})) {
148 $errormessage = "DHCP on ${itf}: " . $Lang::tr{'invalid start address'};
149 goto ERROR;
150 }
151 }
152
153 if ($dhcpsettings{"END_ADDR_${itf}"}) {
154 if (!(&General::validip($dhcpsettings{"END_ADDR_${itf}"}))) {
155 $errormessage = "DHCP on ${itf}: " . $Lang::tr{'invalid end address'};
156 goto ERROR;
157 }
158 if (!$dhcpsettings{"START_ADDR_${itf}"}) {
159 $errormessage = "DHCP on ${itf}: " . $Lang::tr{'invalid start address'};
160 goto ERROR;
161 }
162 if (! &General::IpInSubnet ( $dhcpsettings{"END_ADDR_${itf}"},
163 $netsettings{"${itf}_NETADDRESS"},
164 $netsettings{"${itf}_NETMASK"})) {
165 $errormessage = "DHCP on ${itf}: " . $Lang::tr{'invalid end address'};
166 goto ERROR;
167 }
168 #swap if necessary! (support 255.255.0.0 range, I doubt we need more) GE
169 my @startoct = split (/\./, $dhcpsettings{"START_ADDR_${itf}"});
170 my @endoct = split (/\./, $dhcpsettings{"END_ADDR_${itf}"});
171 if ( $endoct[2]*256+$endoct[3] < $startoct[2]*256+$startoct[3] ) {
172 ($dhcpsettings{"START_ADDR_${itf}"},$dhcpsettings{"END_ADDR_${itf}"}) =
173 ($dhcpsettings{"END_ADDR_${itf}"},$dhcpsettings{"START_ADDR_${itf}"});
174 }
175 }
176
177 if (!($dhcpsettings{"DEFAULT_LEASE_TIME_${itf}"} =~ /^\d+$/)) {
178 $errormessage = "DHCP on ${itf}: " . $Lang::tr{'invalid default lease time'} . $dhcpsettings{'DEFAULT_LEASE_TIME_${itf}'};
179 goto ERROR;
180 }
181
182 if (!($dhcpsettings{"MAX_LEASE_TIME_${itf}"} =~ /^\d+$/)) {
183 $errormessage = "DHCP on ${itf}: " . $Lang::tr{'invalid max lease time'} . $dhcpsettings{'MAX_LEASE_TIME_${itf}'};
184 goto ERROR;
185 }
186
187 if ($dhcpsettings{"DNS1_${itf}"}) {
188 if (!(&General::validip($dhcpsettings{"DNS1_${itf}"}))) {
189 $errormessage = "DHCP on ${itf}: " . $Lang::tr{'invalid primary dns'};
190 goto ERROR;
191 }
192 }
193 if ($dhcpsettings{"DNS2_${itf}"}) {
194 if (!(&General::validip($dhcpsettings{"DNS2_${itf}"}))) {
195 $errormessage = "DHCP on ${itf}: " . $Lang::tr{'invalid secondary dns'};
196 goto ERROR;
197 }
198 if (! $dhcpsettings{"DNS1_${itf}"}) {
199 $errormessage = "DHCP on ${itf}: " . $Lang::tr{'cannot specify secondary dns without specifying primary'};
200 goto ERROR;
201 }
202 }
203
204 if ($dhcpsettings{"WINS1_${itf}"}) {
205 if (!(&General::validip($dhcpsettings{"WINS1_${itf}"}))) {
206 $errormessage = "DHCP on ${itf}: " . $Lang::tr{'invalid wins address'};
207 goto ERROR;
208 }
209 }
210 if ($dhcpsettings{"WINS2_${itf}"}) {
211 if (!(&General::validip($dhcpsettings{"WINS2_${itf}"}))) {
212 $errormessage = "DHCP on ${itf}: " . $Lang::tr{'invalid wins address'};
213 goto ERROR;
214 }
215 if (! $dhcpsettings{"WINS1_${itf}"} ) {
216 $errormessage = "DHCP on ${itf}: " . $Lang::tr{'cannot specify secondary wins without specifying primary'};
217 goto ERROR;
218 }
219 }
220 if ($dhcpsettings{"NEXT_${itf}"}) {
221 if (!(&General::validip($dhcpsettings{"NEXT_${itf}"}))) {
222 $errormessage = "next-server on ${itf}: " . $Lang::tr{'invalid ip'};
223 goto ERROR;
224 }
225 }
226 if ($dhcpsettings{"NTP1_${itf}"}) {
227 if (!(&General::validip($dhcpsettings{"NTP1_${itf}"}))) {
228 $errormessage = "DHCP on ${itf}: " . $Lang::tr{'invalid primary ntp'};
229 goto ERROR;
230 }
231 if ($dhcpsettings{"NTP1_${itf}"} eq $netsettings{"${itf}_ADDRESS"} && ($timesettings{'ENABLECLNTP'} ne 'on')) {
232 $warnNTPmessage = "DHCP on ${itf}: " . $Lang::tr{'local ntp server specified but not enabled'};
233 #goto ERROR;
234 }
235 }
236 if ($dhcpsettings{"NTP2_${itf}"}) {
237 if (!(&General::validip($dhcpsettings{"NTP2_${itf}"}))) {
238 $errormessage = "DHCP on ${itf}: " . $Lang::tr{'invalid secondary ntp'};
239 goto ERROR;
240 }
241 if ($dhcpsettings{"NTP2_${itf}"} eq $netsettings{"${itf}_ADDRESS"} && ($timesettings{'ENABLECLNTP'} ne 'on')) {
242 $warnNTPmessage = "DHCP on ${itf}: " . $Lang::tr{'local ntp server specified but not enabled'};
243 #goto ERROR;
244 }
245 if (! $dhcpsettings{"NTP1_${itf}"}) {
246 $errormessage = "DHCP on ${itf}: " . $Lang::tr{'cannot specify secondary ntp without specifying primary'};
247 goto ERROR;
248 }
249 }
250 } # enabled
251 }#loop interface verify
252
253 map (delete ($dhcpsettings{$_}) ,@nosaved,'ACTION','KEY1','KEY2'); # Must not be saved
254 &General::writehash($setting, \%dhcpsettings); # Save good settings
255 $dhcpsettings{'ACTION'} = $Lang::tr{'save'}; # create an 'ACTION'
256 map ($dhcpsettings{$_} = '',@nosaved,'KEY1','KEY2'); # and reinit vars to empty
257 &buildconf;
258 ERROR: # Leave the faulty field untouched
259 } else {
260 &General::readhash($setting, \%dhcpsettings); # Get saved settings and reset to good if needed
261 }
262
263 ## Sorting of fixed leases
264 if ($ENV{'QUERY_STRING'} =~ /^FETHER|^FIPADDR/ ) {
265 my $newsort=$ENV{'QUERY_STRING'};
266 my $act=$dhcpsettings{'SORT_FLEASELIST'};
267 #Reverse actual sort ?
268 if ($act =~ $newsort) {
269 my $Rev='';
270 if ($act !~ 'Rev') {
271 $Rev='Rev';
272 }
273 $newsort.=$Rev;
274 }
275 $dhcpsettings{'SORT_FLEASELIST'}=$newsort;
276 map (delete ($dhcpsettings{$_}) ,@nosaved,'ACTION','KEY1','KEY2'); # Must never be saved
277 &General::writehash($setting, \%dhcpsettings);
278 &sortcurrent2;
279 $dhcpsettings{'ACTION'} = 'SORT'; # create an 'ACTION'
280 map ($dhcpsettings{$_} = '',@nosaved,'KEY1','KEY2');# and reinit vars to empty
281 }
282
283 #Sorting of allocated leases
284 &Header::CheckSortOrder;
285
286
287 ## Now manipulate the two multi-line list with Settings2.
288 # '1' suffix is for ADVANCED OPTIONS
289 # '2' suffix is for FIXED LEASES
290
291 # Toggle enable/disable field on specified options.
292
293 if ($dhcpsettings{'ACTION'} eq $Lang::tr{'toggle enable disable'}.'1') {
294 #move out new line
295 chomp(@current1[$dhcpsettings{'KEY1'}]);
296 my @temp = split(/\t/,@current1[$dhcpsettings{'KEY1'}]); #use TAB separator !
297 $temp[0] = $temp[0] eq 'on' ? '' : 'on'; # Toggle the field
298 @current1[$dhcpsettings{'KEY1'}] = join ("\t",@temp)."\n";
299 $dhcpsettings{'KEY1'} = ''; # End edit mode
300 &General::log($Lang::tr{'dhcp advopt modified'});
301 open(FILE, ">$filename1") or die 'Unable to open dhcp advanced options file.';
302 print FILE @current1;
303 close(FILE);
304
305 #Write changes to dhcpd.conf.
306 &buildconf;
307 }
308
309
310
311 if ($dhcpsettings{'ACTION'} eq $Lang::tr{'add'}.'1' &&
312 $dhcpsettings{'SUBMIT'} ne $Lang::tr{'dhcp advopt help'}) {
313 $dhcpsettings{'ADVOPT_NAME'} =~ s/[^ \w-]//g; # prevent execution of code by removing everything except letters/space
314 $dhcpsettings{'ADVOPT_DATA'} =~ s/`//g; # back tik ` ? not allowed !
315
316 if ($dhcpsettings{'ADVOPT_DATA'} eq '') {
317 $errormessage=$Lang::tr{'dhcp advopt blank value'};
318 }
319
320 # Test for a new option definition string (join field name & data)
321 if (ExistNewOptionDefinition ($dhcpsettings{'ADVOPT_NAME'} . ' ' . $dhcpsettings{'ADVOPT_DATA'})) {
322 #only edit permitted if option definition exists
323 $errormessage = $Lang::tr{'dhcp advopt definition exists'} if ($dhcpsettings{'KEY1'} eq '');
324 $dhcpsettings{'ADVOPT_ENABLED'} = 'on'; # force active
325 map ($dhcpsettings{"ADVOPT_SCOPE_$_"} = 'off', @ITFs); # force global
326 } elsif (AddNewOptionDefinition ($dhcpsettings{'ADVOPT_NAME'} . ' ' . $dhcpsettings{'ADVOPT_DATA'})) {
327 #was a new option definition
328 $dhcpsettings{'ADVOPT_ENABLED'} = 'on'; # force active
329 map ($dhcpsettings{"ADVOPT_SCOPE_$_"} = 'off', @ITFs); # force global
330 } elsif (ValidNewOption ($dhcpsettings{'ADVOPT_NAME'} . ' ' . $dhcpsettings{'ADVOPT_DATA'})) {
331 #was a new option
332 } elsif (! `grep "\$option $dhcpsettings{'ADVOPT_NAME'} " $filename3`) {
333 $errormessage=$Lang::tr{'dhcp advopt unknown'}.': '.$dhcpsettings{'ADVOPT_NAME'};
334 }
335
336 unless ($errormessage) {
337
338 my $scope = '';
339 foreach my $itf (@ITFs) { # buils "RED,GREEN,ORANGE,... based on selection
340 $scope .= $dhcpsettings{"ADVOPT_SCOPE_${itf}"} eq 'on' ? "\t$itf" : "\toff" ;
341 }
342 if ($dhcpsettings{'KEY1'} eq '') { #add or edit ? TAB separator !
343 unshift (@current1, "$dhcpsettings{'ADVOPT_ENABLED'}\t$dhcpsettings{'ADVOPT_NAME'}\t$dhcpsettings{'ADVOPT_DATA'}$scope\n");
344 &General::log($Lang::tr{'dhcp advopt added'});
345 } else {
346 @current1[$dhcpsettings{'KEY1'}] = "$dhcpsettings{'ADVOPT_ENABLED'}\t$dhcpsettings{'ADVOPT_NAME'}\t$dhcpsettings{'ADVOPT_DATA'}$scope\n";
347 $dhcpsettings{'KEY1'} = ''; # End edit mode
348 &General::log($Lang::tr{'dhcp advopt modified'});
349 }
350
351 #Write changes to dhcpd.conf.
352 &sortcurrent1; # sort newly added/modified entry
353 &buildconf; # before calling buildconf which use fixed lease file !
354 }
355 }
356
357 if ($dhcpsettings{'ACTION'} eq $Lang::tr{'edit'}.'1') {
358 #move out new line
359 my $line = @current1[$dhcpsettings{'KEY1'}];
360 chomp($line);
361 my @temp = split(/\t/, $line);
362 $dhcpsettings{'ADVOPT_ENABLED'}=$temp[0];
363 $dhcpsettings{'ADVOPT_NAME'}=$temp[1];
364 $dhcpsettings{'ADVOPT_DATA'}=$temp[2];
365
366 # read next fields which are the name (color) of an interface if this interface is scoped
367 for (my $key=0; $key<@ITFs; $key++) {
368 my $itf = $temp[3+$key];
369 if ($itf ne 'off') # Only is an interface name is read
370 {
371 $dhcpsettings{"ADVOPT_SCOPE_${itf}"} = 'on';
372 }
373 }
374 }
375
376 if ($dhcpsettings{'ACTION'} eq $Lang::tr{'remove'}.'1') {
377 splice (@current1,$dhcpsettings{'KEY1'},1);
378 open(FILE, ">$filename1") or die 'Unable to open dhcp advanced options file.';
379 print FILE @current1;
380 close(FILE);
381 $dhcpsettings{'KEY1'} = ''; # End remove mode
382 &General::log($Lang::tr{'dhcp advopt removed'});
383 #Write changes to dhcpd.conf.
384 &buildconf;
385 }
386 #end KEY1
387
388
389 # Toggle enable/disable field on specified lease.
390 if ($dhcpsettings{'ACTION'} eq $Lang::tr{'toggle enable disable'}.'2') {
391 #move out new line
392 chomp(@current2[$dhcpsettings{'KEY2'}]);
393 my @temp = split(/\,/,@current2[$dhcpsettings{'KEY2'}]);
394 $temp[2] = $temp[2] eq 'on' ? '' : 'on'; # Toggle the field
395 @current2[$dhcpsettings{'KEY2'}] = join (',',@temp)."\n";
396 $dhcpsettings{'KEY2'} = ''; # End edit mode
397 &General::log($Lang::tr{'fixed ip lease modified'});
398 open(FILE, ">$filename2") or die 'Unable to open fixed leases file.';
399 print FILE @current2;
400 close(FILE);
401
402 #Write changes to dhcpd.conf.
403 &buildconf;
404 }
405
406 if ($dhcpsettings{'ACTION'} eq $Lang::tr{'add'}.'2') {
407 $dhcpsettings{'FIX_MAC'} =~ tr/-/:/;
408 unless(&General::validip($dhcpsettings{'FIX_ADDR'})) { $errormessage = $Lang::tr{'invalid fixed ip address'}; }
409 unless(&General::validmac($dhcpsettings{'FIX_MAC'})) { $errormessage = $Lang::tr{'invalid fixed mac address'}; }
410 if ($dhcpsettings{'FIX_NEXTADDR'}) {
411 unless(&General::validip($dhcpsettings{'FIX_NEXTADDR'})) { $errormessage = $Lang::tr{'invalid fixed ip address'}; }
412 }
413
414 my $key = 0;
415 CHECK:foreach my $line (@current2) {
416 my @temp = split(/\,/,$line);
417 if($dhcpsettings{'KEY2'} ne $key) {
418 # same MAC is OK on different subnets. This test is not complete because
419 # if ip are not inside a known subnet, I don't warn.
420 # Also it may be needed to put duplicate fixed lease in their right subnet definition..
421 foreach my $itf (@ITFs) {
422 my $scoped = &General::IpInSubnet($dhcpsettings{'FIX_ADDR'},
423 $netsettings{"${itf}_NETADDRESS"},
424 $netsettings{"${itf}_NETMASK"}) &&
425 $dhcpsettings{"ENABLE_${itf}"} eq 'on';
426 if ( $scoped &&
427 (lc($dhcpsettings{'FIX_MAC'}) eq lc($temp[0])) &&
428 &General::IpInSubnet($temp[1],
429 $netsettings{"${itf}_NETADDRESS"},
430 $netsettings{"${itf}_NETMASK"})) {
431 $errormessage = "$Lang::tr{'mac address in use'} $dhcpsettings{'FIX_MAC'}";
432 last CHECK;
433 }
434 }
435 }
436 $key++;
437 }
438
439 unless ($errormessage) {
440 $dhcpsettings{'FIX_REMARK'} = &Header::cleanhtml($dhcpsettings{'FIX_REMARK'});
441 $dhcpsettings{'FIX_NEXTADDR'} = &Header::cleanhtml($dhcpsettings{'FIX_NEXTADDR'});
442 $dhcpsettings{'FIX_FILENAME'} = &Header::cleanhtml($dhcpsettings{'FIX_FILENAME'});
443 $dhcpsettings{'FIX_ROOTPATH'} = &Header::cleanhtml($dhcpsettings{'FIX_ROOTPATH'});
444 if ($dhcpsettings{'KEY2'} eq '') { #add or edit ?
445 unshift (@current2, "$dhcpsettings{'FIX_MAC'},$dhcpsettings{'FIX_ADDR'},$dhcpsettings{'FIX_ENABLED'},$dhcpsettings{'FIX_NEXTADDR'},$dhcpsettings{'FIX_FILENAME'},$dhcpsettings{'FIX_ROOTPATH'},$dhcpsettings{'FIX_REMARK'}\n");
446 &General::log($Lang::tr{'fixed ip lease added'});
447 } else {
448 @current2[$dhcpsettings{'KEY2'}] = "$dhcpsettings{'FIX_MAC'},$dhcpsettings{'FIX_ADDR'},$dhcpsettings{'FIX_ENABLED'},$dhcpsettings{'FIX_NEXTADDR'},$dhcpsettings{'FIX_FILENAME'},$dhcpsettings{'FIX_ROOTPATH'},$dhcpsettings{'FIX_REMARK'}\n";
449 $dhcpsettings{'KEY2'} = ''; # End edit mode
450 &General::log($Lang::tr{'fixed ip lease modified'});
451 }
452
453 #Write changes to dhcpd.conf.
454 &sortcurrent2; # sort newly added/modified entry
455 &buildconf; # before calling buildconf which use fixed lease file !
456 }
457 }
458
459 if ($dhcpsettings{'ACTION_ALL'} eq '+') {
460 my $news = 0;
461 foreach (keys %dhcpsettings) {
462 if (/^(\d+\.\d+\.\d+\.\d+)-([0-9a-fA-F:]+)$/) { # checked names are index of the line
463 my $ip=$1;
464 my $mac=$2;
465 if (!grep (/$2/,@current2)) {
466 unshift (@current2, "$mac,$ip,on,,,,imported\n");
467 $news++;
468 }
469 }
470 }
471 if ($news) {
472 #Write changes to dhcpd.conf.
473 $warnNTPmessage = $Lang::tr{'fixed ip lease added'}."($news)";
474 &General::log($warnNTPmessage);
475 &sortcurrent2; # sort newly added/modified entry
476 &buildconf; # before calling buildconf which use fixed lease file !
477 }
478 }
479
480 if ($dhcpsettings{'ACTION'} eq $Lang::tr{'edit'}.'2') {
481 #move out new line
482 my $line = @current2[$dhcpsettings{'KEY2'}];
483 chomp($line);
484 my @temp = split(/\,/, $line);
485 $dhcpsettings{'FIX_MAC'}=$temp[0];
486 $dhcpsettings{'FIX_ADDR'}=$temp[1];
487 $dhcpsettings{'FIX_ENABLED'}=$temp[2];
488 $dhcpsettings{'FIX_NEXTADDR'}=$temp[3];
489 $dhcpsettings{'FIX_FILENAME'}=$temp[4];
490 $dhcpsettings{'FIX_ROOTPATH'}=$temp[5];
491 $dhcpsettings{'FIX_REMARK'}=$temp[6];
492 }
493
494 if ($dhcpsettings{'ACTION'} eq $Lang::tr{'remove'}.'2') {
495 splice (@current2,$dhcpsettings{'KEY2'},1);
496 open(FILE, ">$filename2") or die 'Unable to open fixed lease file.';
497 print FILE @current2;
498 close(FILE);
499 $dhcpsettings{'KEY2'} = ''; # End remove mode
500 &General::log($Lang::tr{'fixed ip lease removed'});
501 #Write changes to dhcpd.conf.
502 &buildconf;
503 }
504 #end KEY2 defined
505
506
507
508
509 if ($dhcpsettings{'ACTION'} eq '' ) { # First launch from GUI
510
511 # Set default DHCP values only if blank and disabled
512 foreach my $itf (@ITFs) {
513 if ($dhcpsettings{"ENABLE_${itf}"} ne 'on' ) {
514 $dhcpsettings{"DNS1_${itf}"} = $netsettings{"${itf}_ADDRESS"};
515 $dhcpsettings{"DEFAULT_LEASE_TIME_${itf}"} = '60';
516 $dhcpsettings{"MAX_LEASE_TIME_${itf}"} = '120';
517 $dhcpsettings{"DOMAIN_NAME_${itf}"} = $mainsettings{'DOMAINNAME'};
518 }
519 }
520 $dhcpsettings{'FIX_ENABLED'} = 'on';
521 }
522
523 &Header::openpage($Lang::tr{'dhcp configuration'}, 1, '');
524 &Header::openbigbox('100%', 'left', '', $errormessage);
525
526 if ($errormessage) {
527 &Header::openbox('100%', 'left', $Lang::tr{'error messages'});
528 print "<font class='base'>$errormessage&nbsp;</font>\n";
529 &Header::closebox();
530 }
531 if ($warnNTPmessage) {
532 $warnNTPmessage = "<font color=${Header::colourred}><b>$Lang::tr{'capswarning'}</b></font>: $warnNTPmessage";
533 }
534
535 &Header::openbox('100%', 'left', 'DHCP');
536 print "<form method='post' action='$ENV{'SCRIPT_NAME'}'>";
537
538 foreach my $itf (@ITFs) {
539 my %checked=();
540 $checked{'ENABLE'}{'on'} = ( $dhcpsettings{"ENABLE_${itf}"} ne 'on') ? '' : "checked='checked'";
541 $checked{'ENABLEBOOTP'}{'on'} = ( $dhcpsettings{"ENABLEBOOTP_${itf}"} ne 'on') ? '' : "checked='checked'";
542
543 if ($netsettings{"${itf}_DEV"} ne '' ) { # Show only defined interface
544 my $lc_itf=lc($itf);
545 print <<END
546 <table width='100%'>
547 <tr>
548 <td width='25%' class='boldbase'><b><font color='${lc_itf}'>$Lang::tr{"$lc_itf interface"}</font></b></td>
549 <td class='base'>$Lang::tr{'enabled'}
550 <input type='checkbox' name='ENABLE_${itf}' $checked{'ENABLE'}{'on'} /></td>
551 <td width='25%' class='base'>$Lang::tr{'ip address'}<br />$Lang::tr{'netmask'}:</td><td><b>$netsettings{"${itf}_ADDRESS"}<br />$netsettings{"${itf}_NETMASK"}</b></td>
552 </tr><tr>
553 <td width='25%' class='base'>$Lang::tr{'start address'}</td>
554 <td width='25%'><input type='text' name='START_ADDR_${itf}' value='$dhcpsettings{"START_ADDR_${itf}"}' /></td>
555 <td width='25%' class='base'>$Lang::tr{'end address'}</td>
556 <td width='25%'><input type='text' name='END_ADDR_${itf}' value='$dhcpsettings{"END_ADDR_${itf}"}' /></td>
557 </tr><tr>
558 <td class='base'>$Lang::tr{'default lease time'}</td>
559 <td><input type='text' name='DEFAULT_LEASE_TIME_${itf}' value='$dhcpsettings{"DEFAULT_LEASE_TIME_${itf}"}' /></td>
560 <td class='base'>$Lang::tr{'max lease time'}</td>
561 <td><input type='text' name='MAX_LEASE_TIME_${itf}' value='$dhcpsettings{"MAX_LEASE_TIME_${itf}"}' /></td>
562 </tr><tr>
563 <td class='base'>$Lang::tr{'domain name suffix'}&nbsp;<img src='/blob.gif' alt='*' /></td>
564 <td><input type='text' name='DOMAIN_NAME_${itf}' value='$dhcpsettings{"DOMAIN_NAME_${itf}"}' /></td>
565 <td>$Lang::tr{'dhcp allow bootp'}:</td>
566 <td><input type='checkbox' name='ENABLEBOOTP_${itf}' $checked{'ENABLEBOOTP'}{'on'} /></td>
567 </tr><tr>
568 <td class='base'>$Lang::tr{'primary dns'}</td>
569 <td><input type='text' name='DNS1_${itf}' value='$dhcpsettings{"DNS1_${itf}"}' /></td>
570 <td class='base'>$Lang::tr{'secondary dns'}&nbsp;<img src='/blob.gif' alt='*' /></td>
571 <td><input type='text' name='DNS2_${itf}' value='$dhcpsettings{"DNS2_${itf}"}' /></td>
572 </tr><tr>
573 <td class='base'>$Lang::tr{'primary ntp server'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
574 <td><input type='text' name='NTP1_${itf}' value='$dhcpsettings{"NTP1_${itf}"}' /></td>
575 <td class='base'>$Lang::tr{'secondary ntp server'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
576 <td><input type='text' name='NTP2_${itf}' value='$dhcpsettings{"NTP2_${itf}"}' /></td>
577 </tr><tr>
578 <td class='base'>$Lang::tr{'primary wins server address'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
579 <td><input type='text' name='WINS1_${itf}' value='$dhcpsettings{"WINS1_${itf}"}' /></td>
580 <td class='base'>$Lang::tr{'secondary wins server address'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
581 <td><input type='text' name='WINS2_${itf}' value='$dhcpsettings{"WINS2_${itf}"}' /></td>
582 </tr><tr>
583 <td class='base'>next-server:&nbsp;<img src='/blob.gif' alt='*' /></td>
584 <td><input type='text' name='NEXT_${itf}' value='$dhcpsettings{"NEXT_${itf}"}' /></td>
585 <td class='base'>filename:&nbsp;<img src='/blob.gif' alt='*' /></td>
586 <td><input type='text' name='FILE_${itf}' value='$dhcpsettings{"FILE_${itf}"}' /></td>
587 </tr>
588 </table>
589 <hr />
590 END
591 ;
592 }# Show only defined interface
593 }#foreach itf
594 print <<END
595 <table width='100%'>
596 <tr>
597 <td class='base' width='25%'><img src='/blob.gif' align='top' alt='*' />&nbsp;$Lang::tr{'this field may be blank'}</td>
598 <td class='base' width='30%'>$warnNTPmessage</td>
599 <td width='40%' align='right'><input type='submit' name='ACTION' value='$Lang::tr{'save'}' /></td>
600 </tr>
601 </table>
602 END
603 ;
604 &Header::closebox();
605
606 # DHCP DNS update support (RFC2136)
607 &Header::openbox('100%', 'left', $Lang::tr{'dhcp dns update'});
608
609 my %checked = ();
610 $checked{'DNS_UPDATE_ENABLED'}{'on'} = ( $dhcpsettings{'DNS_UPDATE_ENABLED'} ne 'on') ? '' : "checked='checked'";
611
612 print <<END
613 <table width='100%'>
614 <tr>
615 <td width='25%' class='boldbase'>$Lang::tr{'dhcp dns enable update'}</td>
616 <td class='base'><input type='checkbox' name='DNS_UPDATE_ENABLED' $checked{'DNS_UPDATE_ENABLED'}{'on'}>
617 </td>
618 <tr>
619 </table>
620
621 <table width='100%'>
622 END
623 ;
624 my @domains = ();
625
626 # Print options for each interface.
627 foreach my $itf (@ITFs) {
628 # Check if DHCP for this interface is enabled.
629 if ($dhcpsettings{"ENABLE_${itf}"} eq 'on') {
630 # Check for same domain name.
631 next if ($dhcpsettings{"DOMAIN_NAME_${itf}"} ~~ @domains);
632 my $lc_itf = lc($itf);
633
634 # Select previously configured update algorithm.
635 my %selected = ();
636 $selected{'DNS_UPDATE_ALGO_${inf}'}{$dhcpsettings{'DNS_UPDATE_ALGO_${inf}'}} = 'selected';
637
638 print <<END
639 <tr>
640 <td colspan='6'>&nbsp;</td>
641 </tr>
642 <tr>
643 <td colspan='6' class='boldbase'><b>$dhcpsettings{"DOMAIN_NAME_${itf}"}</b></td>
644 </tr>
645 <tr>
646 <td width='10%' class='boldbase'>$Lang::tr{'dhcp dns key name'}:</td>
647 <td width='20%'><input type='text' name='DNS_UPDATE_KEY_NAME_${itf}' value='$dhcpsettings{"DNS_UPDATE_KEY_NAME_${itf}"}'></td>
648 <td width='10%' class='boldbase' align='right'>$Lang::tr{'dhcp dns update secret'}:&nbsp;&nbsp;</td>
649 <td width='20%'><input type='password' name='DNS_UPDATE_SECRET_${itf}' value='$dhcpsettings{"DNS_UPDATE_SECRET_${itf}"}'></td>
650 <td width='10%' class='boldbase' align='right'>$Lang::tr{'dhcp dns update algo'}:&nbsp;&nbsp;</td>
651 <td width='20%'>
652 <select name='DNS_UPDATE_ALGO_${itf}'>
653 <option value='hmac-sha1' $selected{'DNS_UPDATE_ALGO_${itf}'}{'hmac-sha1'}>HMAC-SHA1</option>
654 <option value='hmac-md5' $selected{'DNS_UPDATE_ALGO_${itf}'}{'hmac-md5'}>HMAC-MD5</option>
655 </select>
656 </td>
657 </tr>
658 END
659 ;
660 }
661
662 # Store configured domain based on the interface
663 # in the temporary variable.
664 push(@domains, $dhcpsettings{"DOMAIN_NAME_${itf}"});
665 }
666 print <<END
667 </table>
668 <hr>
669 <table width='100%'>
670 <tr>
671 <td align='right'><input type='submit' name='ACTION' value='$Lang::tr{'save'}' /></td>
672 </tr>
673 </table>
674 </form>
675 END
676 ;
677
678 &Header::closebox();
679
680 &Header::openbox('100%', 'left', $Lang::tr{'dhcp advopt list'});
681 # DHCP Advanced options settings
682 my %checked=();
683 $checked{'ADVOPT_ENABLED'}{'on'} = ($dhcpsettings{'ADVOPT_ENABLED'} ne 'on') ? '' : "checked='checked'";
684
685 print "<form method='post' action='$ENV{'SCRIPT_NAME'}'><table width='100%'>";
686 my $buttontext = $Lang::tr{'add'};
687 if ($dhcpsettings{'KEY1'} ne '') {
688 $buttontext = $Lang::tr{'update'};
689 print "<tr><td class='boldbase'><b>$Lang::tr{'dhcp advopt edit'}</b></td></tr>";
690 } else {
691 print "<tr><td class='boldbase'><b>$Lang::tr{'dhcp advopt add'}</b></td></tr>"
692 }
693
694 #search if the 'option' is in the list and print the syntax model
695 my $opt = `grep "\$option $dhcpsettings{'ADVOPT_NAME'} " $filename3`;
696 if ($opt ne '') {
697 $opt =~ s/option $dhcpsettings{'ADVOPT_NAME'}/Syntax:/; # "option xyz abc" => "syntax: abc"
698 $opt =~ s/;//;
699 $opt = "<tr><td></td><td></td><td colspan='2'>$opt</td></tr>";
700 }
701 print <<END
702 <tr>
703 <td class='base'>$Lang::tr{'dhcp advopt name'}:</td>
704 <td><input type='text' name='ADVOPT_NAME' value='$dhcpsettings{'ADVOPT_NAME'}' size='18' /></td>
705 <td class='base'>$Lang::tr{'dhcp advopt value'}:</td>
706 <td><input type='text' name='ADVOPT_DATA' value='$dhcpsettings{'ADVOPT_DATA'}' size='40' /></td>
707 </tr>$opt<tr>
708 <td class='base'>$Lang::tr{'enabled'}</td><td><input type='checkbox' name='ADVOPT_ENABLED' $checked{'ADVOPT_ENABLED'}{'on'} /></td>
709 <td class='base'>$Lang::tr{'dhcp advopt scope'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
710 <td>
711 END
712 ;
713
714 # Put a checkbox for each interface. Checkbox visible disabled if interface is disabled
715 foreach my $itf (@ITFs) {
716 my $lc_itf=lc($itf);
717 $checked{'ADVOPT_SCOPE_${itf}'}{'on'} = $dhcpsettings{"ADVOPT_SCOPE_${itf}"} ne 'on' ? '' : "checked='checked'";
718 print "$Lang::tr{\"${lc_itf}\"} <input type='checkbox' name='ADVOPT_SCOPE_${itf}' $checked{'ADVOPT_SCOPE_${itf}'}{'on'} ";
719 print $dhcpsettings{"ENABLE_${itf}"} eq 'on' ? "/>" : "disabled='disabled' />";
720 print "&nbsp; &nbsp;";
721 }
722
723 print <<END
724 </td>
725 </tr>
726 </table>
727 <hr />
728 <table width='100%'>
729 <tr>
730 <td class='base' width='50%'><img src='/blob.gif' align='top' alt='*' />&nbsp;$Lang::tr{'dhcp advopt scope help'}</td>
731 <td width='50%' align='right'>
732 <input type='hidden' name='ACTION' value='$Lang::tr{'add'}1' />
733 <input type='submit' name='SUBMIT' value='$buttontext' />
734 <input type='submit' name='SUBMIT' value='$Lang::tr{'dhcp advopt help'}' />
735 <input type='hidden' name='KEY1' value='$dhcpsettings{'KEY1'}' />
736 </td>
737 </tr>
738 </table>
739 </form>
740 END
741 ;
742 #Edited line number (KEY1) passed until cleared by 'save' or 'remove' or 'new sort order'
743
744 # print help taken from the file describing options
745 if ($dhcpsettings{'SUBMIT'} eq $Lang::tr{'dhcp advopt help'}) {
746 print "<hr />";
747 print "<table width='100%'>";
748 print "<tr><td width='30%'><b>$Lang::tr{'dhcp advopt name'}</b></td><td width='70%'><b>$Lang::tr{'dhcp advopt value'}</b></td>";
749 open(FILE, "$filename3");
750 my @current3 = <FILE>;
751 close(FILE);
752 foreach my $line (@current3) {
753 $line =~ /option ([a-z0-9-]+) (.*);/;
754 print "<tr><td>$1</td><td>$2</td></tr>\n";
755 }
756 print "<tr><td colspan='2'><hr /></td></tr>\n";
757 print '<tr><td>string type</td><td>"quoted string" or 00:01:FF...</td></tr>';
758 print '<tr><td>ip-address type </td><td>10.0.0.1 | www.dot.com</td></tr>';
759 print '<tr><td>int,uint types</td><td>numbers</td></tr>';
760 print '<tr><td>flag type</td><td>on | off</td></tr>';
761 print '</table>';
762 print "<hr />";
763 print "<table width='100%'>";
764 print "<tr><td width='30%'><b>$Lang::tr{'dhcp advopt custom definition'}</b></td><td width='70%'><b>$Lang::tr{'dhcp advopt value'}</b></td>";
765 print "<tr><td>any-name </td><td> code NNN=$OptionTypes</td></tr>";
766 print '<tr><td>a-string</td><td>code 100=string</td></tr>';
767 print '<tr><td>a-number</td><td>code 101=signed integer 8</td></tr>';
768 print '<tr><td>wpad</td><td>code 252=text</td></tr>';
769 print '<tr><td>wpad</td><td>"http://www.server.fr/path-to/proxy.pac"</td></tr>';
770 print '</table>';
771
772 }
773
774 print <<END
775 <hr />
776 <table width='100%'>
777 <tr>
778 <td width='30%' class='boldbase' align='center'><b>$Lang::tr{'dhcp advopt name'}</b></td>
779 <td width='50%' class='boldbase' align='center'><b>$Lang::tr{'dhcp advopt value'}</b></td>
780 <td width='20%' class='boldbase' align='center'><b>$Lang::tr{'dhcp advopt scope'}</b></td>
781 <td colspan='3' class='boldbase' align='center'><b>$Lang::tr{'action'}</b></td>
782 </tr>
783 END
784 ;
785 my $key = 0;
786 foreach my $line (@current1) {
787 my $gif = '';
788 my $gdesc = '';
789 chomp($line); # remove newline
790 my @temp = split(/\t/,$line);
791
792 if ($temp[0] eq "on") {
793 $gif = 'on.gif';
794 $gdesc = $Lang::tr{'click to disable'};
795 } else {
796 $gif = 'off.gif';
797 $gdesc = $Lang::tr{'click to enable'};
798 }
799
800 if ($dhcpsettings{'KEY1'} eq $key) {
801 print "<tr bgcolor='${Header::colouryellow}'>";
802 } elsif ($key % 2) {
803 print "<tr bgcolor='$color{'color22'}'>";
804 } else {
805 print "<tr bgcolor='$color{'color20'}'>";
806 }
807
808 print <<END
809 <td align='center'>$temp[1]</td>
810 <td align='center'>$temp[2]</td>
811 <td align='center'>
812 END
813 ;
814 # Prepare a global flag to make easy reading
815 my $global = '';
816 my $disabledTogle = '';
817 my $disabledEditRemove = '';
818 if ( ExistNewOptionDefinition ($temp[1] . ' ' . $temp[2]) ) {
819 $global = $Lang::tr{'dhcp advopt definition'};
820 $disabledTogle = "disabled='disabled'";
821 # Search if it is a used NewOptionDefinition to also disable edit & delete
822 $disabledEditRemove = "disabled='disabled'" if (IsUsedNewOptionDefinition ($temp[1], $temp[2]));
823 } else {
824 $global = $Lang::tr{'dhcp advopt scope global'};
825 }
826
827
828 # Print each checked interface
829 for (my $key=0; $key<@ITFs; $key++) {
830 my $itf = $temp[3+$key];
831 if ($itf ne 'off') { # Only if an interface name is read
832 print "$itf";
833 $global=''; # fall to local scope !
834 }
835 }
836 print <<END
837 $global</td>
838 <td align='center'>
839 <form method='post' action='$ENV{'SCRIPT_NAME'}'>
840 <input type='hidden' name='ACTION' value='$Lang::tr{'toggle enable disable'}1' />
841 <input $disabledTogle type='image' name='$Lang::tr{'toggle enable disable'}' src='/images/$gif' alt='$gdesc' title='$gdesc' />
842 <input type='hidden' name='KEY1' value='$key' />
843 </form>
844 </td>
845
846 <td align='center'>
847 <form method='post' action='$ENV{'SCRIPT_NAME'}'>
848 <input type='hidden' name='ACTION' value='$Lang::tr{'edit'}1' />
849 <input $disabledEditRemove type='image' name='$Lang::tr{'edit'}' src='/images/edit.gif' alt='$Lang::tr{'edit'}' title='$Lang::tr{'edit'}' />
850 <input type='hidden' name='KEY1' value='$key' />
851 </form>
852 </td>
853
854 <td align='center'>
855 <form method='post' action='$ENV{'SCRIPT_NAME'}'>
856 <input type='hidden' name='ACTION' value='$Lang::tr{'remove'}1' />
857 <input $disabledEditRemove type='image' name='$Lang::tr{'remove'}' src='/images/delete.gif' alt='$Lang::tr{'remove'}' title='$Lang::tr{'remove'}' />
858 <input type='hidden' name='KEY1' value='$key' />
859 </form>
860 </td>
861 </tr>
862 END
863 ;
864 $key++;
865 }
866
867 print "</table>";
868
869 # If there are dhcp options, print Key to action icons
870 if ($key) {
871 print <<END
872 <table>
873 <tr>
874 <td class='boldbase'>&nbsp;<b>$Lang::tr{'legend'}:&nbsp;</b></td>
875 <td><img src='/images/on.gif' alt='$Lang::tr{'click to disable'}' /></td>
876 <td class='base'>$Lang::tr{'click to disable'}</td>
877 <td>&nbsp;&nbsp;</td>
878 <td><img src='/images/off.gif' alt='$Lang::tr{'click to enable'}' /></td>
879 <td class='base'>$Lang::tr{'click to enable'}</td>
880 <td>&nbsp;&nbsp;</td>
881 <td><img src='/images/edit.gif' alt='$Lang::tr{'edit'}' /></td>
882 <td class='base'>$Lang::tr{'edit'}</td>
883 <td>&nbsp;&nbsp;</td>
884 <td><img src='/images/delete.gif' alt='$Lang::tr{'remove'}' /></td>
885 <td class='base'>$Lang::tr{'remove'}</td>
886 </tr>
887 </table>
888 END
889 ;
890 }
891 &Header::closebox();
892
893 &Header::openbox('100%', 'left', $Lang::tr{'current fixed leases'});
894 # Fixed leases screens
895 $checked{'FIX_ENABLED'}{'on'} = ($dhcpsettings{'FIX_ENABLED'} ne 'on') ? '' : "checked='checked'";
896
897 $buttontext = $Lang::tr{'add'};
898 print "<form method='post' action='$ENV{'SCRIPT_NAME'}'><table width='100%'>";
899
900 if ($dhcpsettings{'KEY2'} ne '') {
901 $buttontext = $Lang::tr{'update'};
902 print "<tr><td class='boldbase' colspan='3'><b>$Lang::tr{'edit an existing lease'}</b></td></tr>";
903 } else {
904 print "<tr><td class='boldbase' colspan='3'><b>$Lang::tr{'add new lease'}</b></td></tr>"
905 }
906 print <<END
907 <tr>
908 <td class='base'>$Lang::tr{'mac address'}:</td>
909 <td><input type='text' name='FIX_MAC' value='$dhcpsettings{'FIX_MAC'}' size='18' /></td>
910 <td class='base'>$Lang::tr{'ip address'}:</td>
911 <td><input type='text' name='FIX_ADDR' value='$dhcpsettings{'FIX_ADDR'}' size='18' /></td>
912 <td class='base'>$Lang::tr{'remark'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
913 <td><input type='text' name='FIX_REMARK' value='$dhcpsettings{'FIX_REMARK'}' size='18' /></td>
914 </tr><tr>
915 <td class='base'>$Lang::tr{'enabled'}</td><td><input type='checkbox' name='FIX_ENABLED' $checked{'FIX_ENABLED'}{'on'} /></td>
916 </tr><tr>
917 <td colspan = '3'><b>$Lang::tr{'dhcp bootp pxe data'}</b></td>
918 </tr><tr>
919 <td class='base'>next-server:&nbsp;<img src='/blob.gif' alt='*' /></td>
920 <td><input type='text' name='FIX_NEXTADDR' value='$dhcpsettings{'FIX_NEXTADDR'}' size='18' /></td>
921 <td class='base'>filename:&nbsp;<img src='/blob.gif' alt='*' /></td>
922 <td><input type='text' name='FIX_FILENAME' value='$dhcpsettings{'FIX_FILENAME'}' size='18' /></td>
923 <td class='base'>root path:&nbsp;<img src='/blob.gif' alt='*' /></td>
924 <td><input type='text' name='FIX_ROOTPATH' value='$dhcpsettings{'FIX_ROOTPATH'}' size='18' /></td>
925 </tr>
926 </table>
927 <hr />
928 <table width='100%'>
929 <tr>
930 <td class='base' width='50%'><img src='/blob.gif' align='top' alt='*' />&nbsp;$Lang::tr{'this field may be blank'}</td>
931 <td width='50%' align='right'>
932 <input type='hidden' name='ACTION' value='$Lang::tr{'add'}2' />
933 <input type='submit' name='SUBMIT' value='$buttontext' />
934 <input type='hidden' name='KEY2' value='$dhcpsettings{'KEY2'}' /></td>
935 </tr>
936 </table>
937 </form>
938 END
939 ;
940 #Edited line number (KEY2) passed until cleared by 'save' or 'remove' or 'new sort order'
941
942 print <<END
943 <hr />
944 <table width='100%' class='tbl'>
945 <tr>
946 <th width='20%' align='center'><a href='$ENV{'SCRIPT_NAME'}?FETHER'><b>$Lang::tr{'mac address'}</b></a></th>
947 <th width='20%' align='center'><a href='$ENV{'SCRIPT_NAME'}?FIPADDR'><b>$Lang::tr{'ip address'}</b></a></th>
948 <th width='15%' align='center'><b>$Lang::tr{'remark'}</b></th>
949 <th width='15%' class='boldbase' align='center'><b>next-server</b></th>
950 <th width='15%' class='boldbase' align='center'><b>filename</b></th>
951 <th width='15%' class='boldbase' align='center'><b>root path</b></th>
952 <th colspan='3' class='boldbase' align='center'><b>$Lang::tr{'action'}</b></th>
953 </tr>
954 END
955 ;
956 my $ipdup = 0;
957 my %ipinuse = ();
958 my %macdupl = (); # Duplicate MACs have to be on different subnets
959 my %ipoutside = ();
960
961 # mark duplicate ip or duplicate MAC
962 foreach my $line (@current2) {
963 my @temp = split(/\,/,$line);
964 $macdupl{$temp[0]} += 1;
965 if ($macdupl{$temp[0]} > 1) {
966 $ipdup = 1; # Flag up duplicates for use later
967 }
968 $ipinuse{$temp[1]} += 1;
969 if ($ipinuse{$temp[1]} > 1) {
970 $ipdup = 1; # Flag up duplicates for use later
971 }
972 # Mark IP addresses outwith known subnets
973 $ipoutside{$temp[1]} = 1;
974 foreach my $itf (@ITFs) {
975 if ( &General::IpInSubnet($temp[1],
976 $netsettings{"${itf}_NETADDRESS"},
977 $netsettings{"${itf}_NETMASK"})) {
978 $ipoutside{$temp[1]} = 0;
979 }
980 }
981 }
982
983 $key = 0;
984 my $col="";
985 foreach my $line (@current2) {
986 my $gif = '';
987 my $gdesc = '';
988 chomp($line); # remove newline
989 my @temp = split(/\,/,$line);
990
991 if ($temp[2] eq "on") {
992 $gif = 'on.gif';
993 $gdesc = $Lang::tr{'click to disable'};
994 } else {
995 $gif = 'off.gif';
996 $gdesc = $Lang::tr{'click to enable'};
997 }
998
999 if ($dhcpsettings{'KEY2'} eq $key) {
1000 print "<tr>";
1001 $col="bgcolor='${Header::colouryellow}'";
1002 } elsif ($key % 2) {
1003 print "<tr>";
1004 $col="bgcolor='$color{'color20'}'";
1005 } else {
1006 print "<tr>";
1007 $col="bgcolor='$color{'color22'}'";
1008 }
1009 my $TAG0 = '';
1010 my $TAG1 = '';
1011 my $TAG2 = '';
1012 my $TAG3 = '';
1013 my $TAG4 = '';
1014 if ($ipinuse{$temp[1]} > 1) {
1015 $TAG0 = '<b>';
1016 $TAG1 = '</b>';
1017 }
1018 if ($macdupl{$temp[0]} > 1) {
1019 $TAG2 = '<b>';
1020 $TAG3 = '</b>';
1021 }
1022 if ($ipoutside{$temp[1]} > 0) {
1023 $TAG4 = "bgcolor='orange'" if ($dhcpsettings{'KEY2'} ne $key);
1024 }
1025
1026 print <<END
1027 <td align='center' $col>$TAG2$temp[0]$TAG3</td>
1028 <td align='center' $col $TAG4>$TAG0$temp[1]$TAG1</td>
1029 <td align='center' $col>$temp[6]&nbsp;</td>
1030 <td align='center' $col>$temp[3]&nbsp;</td>
1031 <td align='center' $col>$temp[4]&nbsp;</td>
1032 <td align='center' $col>$temp[5]&nbsp;</td>
1033
1034 <td align='center' $col>
1035 <form method='post' action='$ENV{'SCRIPT_NAME'}'>
1036 <input type='hidden' name='ACTION' value='$Lang::tr{'toggle enable disable'}2' />
1037 <input type='image' name='$Lang::tr{'toggle enable disable'}' src='/images/$gif' alt='$gdesc' title='$gdesc' />
1038 <input type='hidden' name='KEY2' value='$key' />
1039 </form>
1040 </td>
1041
1042 <td align='center' $col>
1043 <form method='post' action='$ENV{'SCRIPT_NAME'}'>
1044 <input type='hidden' name='ACTION' value='$Lang::tr{'edit'}2' />
1045 <input type='image' name='$Lang::tr{'edit'}' src='/images/edit.gif' alt='$Lang::tr{'edit'}' title='$Lang::tr{'edit'}' />
1046 <input type='hidden' name='KEY2' value='$key' />
1047 </form>
1048 </td>
1049
1050 <td align='center' $col>
1051 <form method='post' action='$ENV{'SCRIPT_NAME'}'>
1052 <input type='hidden' name='ACTION' value='$Lang::tr{'remove'}2' />
1053 <input type='image' name='$Lang::tr{'remove'}' src='/images/delete.gif' alt='$Lang::tr{'remove'}' title='$Lang::tr{'remove'}' />
1054 <input type='hidden' name='KEY2' value='$key' />
1055 </form>
1056 </td>
1057 </tr>
1058 END
1059 ;
1060 $key++;
1061 }
1062 print "</table>";
1063
1064 # If the fixed lease file contains entries, print Key to action icons
1065 if ($key) {
1066 my $dup = $ipdup ? "<td class='base'>$Lang::tr{'duplicate ip bold'}</td>" :'';
1067 print <<END
1068 <table>
1069 <tr>
1070 <td class='boldbase'>&nbsp;<b>$Lang::tr{'legend'}:&nbsp;</b></td>
1071 <td><img src='/images/on.gif' alt='$Lang::tr{'click to disable'}' /></td>
1072 <td class='base'>$Lang::tr{'click to disable'}</td>
1073 <td>&nbsp;&nbsp;</td>
1074 <td><img src='/images/off.gif' alt='$Lang::tr{'click to enable'}' /></td>
1075 <td class='base'>$Lang::tr{'click to enable'}</td>
1076 <td>&nbsp;&nbsp;</td>
1077 <td><img src='/images/edit.gif' alt='$Lang::tr{'edit'}' /></td>
1078 <td class='base'>$Lang::tr{'edit'}</td>
1079 <td>&nbsp;&nbsp;</td>
1080 <td><img src='/images/delete.gif' alt='$Lang::tr{'remove'}' /></td>
1081 <td class='base'>$Lang::tr{'remove'}</td>
1082 </tr>
1083 <tr>
1084 <td>&nbsp;</td>
1085 <td bgcolor='orange'>&nbsp;</td>
1086 <td class='base'>$Lang::tr{'ip address outside subnets'}</td>
1087 <td>&nbsp;</td>
1088 <td>&nbsp;</td>
1089 $dup
1090 </tr>
1091 </table>
1092 END
1093 ;
1094 }
1095
1096 &Header::closebox();
1097
1098 foreach my $itf (@ITFs) {
1099 if ($dhcpsettings{"ENABLE_${itf}"} eq 'on') {
1100 # display leases with a list of actions to do with the global select checkbox.
1101 &Header::PrintActualLeases("+"); # "+" => create fixed leases from nodeaddress
1102 last; #Print one time only for all interfaces
1103 };
1104 }
1105
1106 &Header::closebigbox();
1107 &Header::closepage();
1108
1109 ## Ouf it's the end !
1110
1111 sub sortcurrent1 # by now, do not sort, just write
1112 {
1113 open(FILE, ">$filename1") or die 'Unable to open dhcp advanced options file.';
1114 print FILE @current1;
1115 close(FILE);
1116 }
1117
1118
1119 # Sort the "current2" array according to choices
1120 sub sortcurrent2
1121 {
1122 our %entries = ();
1123
1124 sub fixedleasesort {
1125 my $qs='';
1126 if (rindex ($dhcpsettings{'SORT_FLEASELIST'},'Rev') != -1) {
1127 $qs=substr ($dhcpsettings{'SORT_FLEASELIST'},0,length($dhcpsettings{'SORT_FLEASELIST'})-3);
1128 if ($qs eq 'FIPADDR') {
1129 my @a = split(/\./,$entries{$a}->{$qs});
1130 my @b = split(/\./,$entries{$b}->{$qs});
1131 ($b[0]<=>$a[0]) ||
1132 ($b[1]<=>$a[1]) ||
1133 ($b[2]<=>$a[2]) ||
1134 ($b[3]<=>$a[3]);
1135 } else {
1136 $entries{$b}->{$qs} cmp $entries{$a}->{$qs};
1137 }
1138 } else { #not reverse
1139 $qs=$dhcpsettings{'SORT_FLEASELIST'};
1140 if ($qs eq 'FIPADDR') {
1141 my @a = split(/\./,$entries{$a}->{$qs});
1142 my @b = split(/\./,$entries{$b}->{$qs});
1143 ($a[0]<=>$b[0]) ||
1144 ($a[1]<=>$b[1]) ||
1145 ($a[2]<=>$b[2]) ||
1146 ($a[3]<=>$b[3]);
1147 } else {
1148 $entries{$a}->{$qs} cmp $entries{$b}->{$qs};
1149 }
1150 }
1151 }
1152
1153 #Use an associative array (%entries)
1154 foreach my $line (@current2) {
1155 chomp( $line); #remove newline because can be on field 5 or 6 (addition of REMARK)
1156 my @temp = split (',',$line);
1157 my @record = ('FETHER',$temp[0],'FIPADDR',$temp[1],'DATA',join(',',@temp[2..6]));
1158 my $record = {}; # create a reference to empty hash
1159 %{$record} = @record; # populate that hash with @record
1160 # use combination of ether & IP as key to allow duplicates in either but not both
1161 $entries{$record->{FETHER} . $record->{FIPADDR}} = $record; # add this to a hash of hashes
1162 }
1163
1164 open(FILE, ">$filename2") or die 'Unable to open fixed lease file.';
1165 foreach my $entry ( sort fixedleasesort keys %entries) {
1166 print FILE "$entries{$entry}->{FETHER},$entries{$entry}->{FIPADDR},$entries{$entry}->{DATA}\n";
1167 }
1168 close(FILE);
1169
1170 # Reload sorted @current2
1171 open (FILE, "$filename2");
1172 @current2 = <FILE>;
1173 close (FILE);
1174 undef (%entries); #This array is reused latter. Clear it.
1175 }
1176
1177 # Build the configuration file mixing settings, fixed leases and advanced options
1178 sub buildconf {
1179 open(FILE, ">/${General::swroot}/dhcp/dhcpd.conf") or die "Unable to write dhcpd.conf file";
1180 flock(FILE, 2);
1181
1182 # Global settings
1183 print FILE "deny bootp; #default\n";
1184 print FILE "authoritative;\n";
1185
1186 # DNS Update settings
1187 if ($dhcpsettings{'DNS_UPDATE_ENABLED'} eq 'on') {
1188 print FILE "ddns-updates on;\n";
1189 print FILE "ddns-update-style interim;\n";
1190 print FILE "ignore client-updates;\n";
1191 print FILE "update-static-leases on;\n";
1192 } else {
1193 print FILE "ddns-update-style none;\n";
1194 }
1195
1196 # Write first new option definition
1197 foreach my $line (@current1) {
1198 chomp($line); # remove newline
1199 my @temp = split(/\t/,$line);
1200 if (ExistNewOptionDefinition ($temp[1] . ' ' . $temp[2])) {
1201 print FILE "option $temp[1] $temp[2];\n";
1202 }
1203 }
1204 # Write other global options
1205 foreach my $line (@current1) {
1206 chomp($line); # remove newline
1207 my @temp = split(/\t/,$line);
1208
1209 if ($temp[0] eq 'on' && !ExistNewOptionDefinition ($temp[1] . ' ' . $temp[2])){ # active & !definition
1210 my $global=1;
1211 for (my $key=0; $key<@ITFs; $key++) {
1212 my $itf = $temp[3+$key];
1213 if ($itf ne 'off') # Only if an interface name is read
1214 {
1215 $global=0;
1216 }
1217 }
1218 if ($global) {
1219 print FILE "option $temp[1] $temp[2];\n";
1220 }
1221 }# on
1222 }# foreach line
1223
1224 #Subnet range definition
1225 foreach my $itf (@ITFs) {
1226 my $lc_itf=lc($itf);
1227 if ($dhcpsettings{"ENABLE_${itf}"} eq 'on' ){
1228 print FILE "\nsubnet " . $netsettings{"${itf}_NETADDRESS"} . " netmask ". $netsettings{"${itf}_NETMASK"} . " #$itf\n";
1229 print FILE "{\n";
1230 print FILE "\trange " . $dhcpsettings{"START_ADDR_${itf}"} . ' ' . $dhcpsettings{"END_ADDR_${itf}"}.";\n" if ($dhcpsettings{"START_ADDR_${itf}"});
1231 print FILE "\toption subnet-mask " . $netsettings{"${itf}_NETMASK"} . ";\n";
1232 print FILE "\toption domain-name \"" . $dhcpsettings{"DOMAIN_NAME_${itf}"} . "\";\n";
1233 print FILE "\toption routers " . $netsettings{"${itf}_ADDRESS"} . ";\n";
1234 print FILE "\toption domain-name-servers " . $dhcpsettings{"DNS1_${itf}"} if ($dhcpsettings{"DNS1_${itf}"});
1235 print FILE ", " . $dhcpsettings{"DNS2_${itf}"} if ($dhcpsettings{"DNS2_${itf}"});
1236 print FILE ";\n" if ($dhcpsettings{"DNS1_${itf}"});
1237 print FILE "\toption ntp-servers " . $dhcpsettings{"NTP1_${itf}"} if ($dhcpsettings{"NTP1_${itf}"});
1238 print FILE ", " . $dhcpsettings{"NTP2_${itf}"} if ($dhcpsettings{"NTP2_${itf}"});
1239 print FILE ";\n" if ($dhcpsettings{"NTP1_${itf}"});
1240 print FILE "\toption netbios-name-servers " . $dhcpsettings{"WINS1_${itf}"} if ($dhcpsettings{"WINS1_${itf}"});
1241 print FILE ", " . $dhcpsettings{"WINS2_${itf}"} if ($dhcpsettings{"WINS2_${itf}"});
1242 print FILE ";\n" if ($dhcpsettings{"WINS1_${itf}"});
1243 print FILE "\tnext-server " . $dhcpsettings{"NEXT_${itf}"} . ";\n" if ($dhcpsettings{"NEXT_${itf}"});
1244 print FILE "\tfilename \"" . $dhcpsettings{"FILE_${itf}"} . "\";\n" if ($dhcpsettings{"FILE_${itf}"});
1245 print FILE "\tdefault-lease-time " . ($dhcpsettings{"DEFAULT_LEASE_TIME_${itf}"} * 60). ";\n";
1246 print FILE "\tmax-lease-time " . ($dhcpsettings{"MAX_LEASE_TIME_${itf}"} * 60) . ";\n";
1247 print FILE "\tallow bootp;\n" if ($dhcpsettings{"ENABLEBOOTP_${itf}"} eq 'on');
1248
1249
1250
1251 # Write scoped options
1252 foreach my $line (@current1) {
1253 chomp($line); # remove newline
1254 my @temp = split(/\t/,$line); # Use TAB separator !
1255
1256 if ($temp[0] eq 'on'){
1257 for (my $key=0; $key<@ITFs; $key++) {
1258 if ($itf eq $temp[3+$key]) # Only is an interface name is read
1259 {
1260 print FILE "\toption $temp[1] $temp[2];\n";
1261 }
1262 }
1263 }# on
1264 }# foreach line
1265 print FILE "} #$itf\n";
1266
1267 if (($dhcpsettings{"DNS_UPDATE_ENABLED"} eq "on") && ($dhcpsettings{"DNS_UPDATE_KEY_NAME_${itf}"} ne "")) {
1268 print FILE "key " . $dhcpsettings{"DNS_UPDATE_KEY_NAME_${itf}"} . "{\n";
1269 print FILE "\talgorithm " . $dhcpsettings{"DNS_UPDATE_KEY_ALGO_${itf}"} . ";\n";
1270 print FILE "\tsecret \"" . $dhcpsettings{"DNS_UPDATE_KEY_SECRET_${itf}"} . "\";\n";
1271 print FILE "};\n\n";
1272
1273 print FILE "zone " . $dhcpsettings{"DOMAIN_NAME_${itf}"} . ". {\n";
1274 print FILE "\tkey " . $dhcpsettings{"DNS_UPDATE_KEY_NAME_${itf}"} . ";\n";
1275 print FILE "}\n\n";
1276 }
1277
1278 system ('/usr/bin/touch', "${General::swroot}/dhcp/enable_${lc_itf}");
1279 &General::log("DHCP on ${itf}: " . $Lang::tr{'dhcp server enabled'})
1280 } else {
1281 unlink "${General::swroot}/dhcp/enable_${lc_itf}";
1282 &General::log("DHCP on ${itf}: " . $Lang::tr{'dhcp server disabled'})
1283 }
1284 }
1285
1286 #write fixed leases if any. Does not handle duplicates to write them elsewhere than the global scope.
1287 my $key = 0;
1288 foreach my $line (@current2) {
1289 chomp($line);
1290 my @temp = split(/\,/,$line);
1291 if ($temp[2] eq "on") {
1292 print FILE "\nhost fix$key # $temp[6]\n";
1293 print FILE "{\n";
1294 print FILE "\thardware ethernet $temp[0];\n";
1295 print FILE "\tfixed-address $temp[1];\n";
1296 print FILE "\tnext-server $temp[3];\n" if ($temp[3]);
1297 print FILE "\tfilename \"$temp[4]\";\n" if ($temp[4]);
1298 print FILE "\toption root-path \"$temp[5]\";\n" if ($temp[5]);
1299 print FILE "}\n";
1300 $key++;
1301 }
1302 }
1303 print FILE "include \"${General::swroot}/dhcp/dhcpd.conf.local\";\n";
1304 close FILE;
1305 if ( $dhcpsettings{"ENABLE_GREEN"} eq 'on' || $dhcpsettings{"ENABLE_BLUE"} eq 'on' ) {system '/usr/local/bin/dhcpctrl enable >/dev/null 2>&1';}
1306 else {system '/usr/local/bin/dhcpctrl disable >/dev/null 2>&1';}
1307 system '/usr/local/bin/dhcpctrl restart >/dev/null 2>&1';
1308 }
1309
1310 #
1311 # Receive a string and if it match model for a new option,
1312 # add it to the list %newOptions
1313 #
1314 my %NewOptions = ();
1315
1316 sub AddNewOptionDefinition {
1317 my ($line) = @_;
1318 if ( $line =~ /^([-\w]+)( code \d+=($OptionTypes))/ ) {
1319 $NewOptions{$1} = $2;
1320 #&General::log ("new:<$1><$2>");
1321 return 1;
1322 }
1323 return 0;
1324 }
1325
1326 #
1327 # Check existence of definition for a new option
1328 #
1329 sub ExistNewOptionDefinition {
1330 my ($line) = @_;
1331
1332 if ( $line =~ /^([-\w]+)( code \d+=($OptionTypes))/ ) {
1333 return defined $NewOptions{$1};
1334 }
1335 return 0;
1336 }
1337
1338 #
1339 # Check if it is a new option (definition must exist)
1340 # "code=" test eliminate a false response when definition exists
1341 # but this string is a definition with bad $OptionTypes.
1342 sub ValidNewOption {
1343 my ($line) = @_;
1344 if ($line =~ /^([-\w]+) (.*)/ ) {
1345 return defined ( $NewOptions{$1} ) && $2 !~ /code=/;
1346 }
1347 return 0;
1348 }
1349
1350 #
1351 # Check if the new option $opt is used, except the definition of itself!
1352 #
1353 sub IsUsedNewOptionDefinition {
1354 my ($opt,$val) = @_;
1355
1356 foreach my $line (@current1) {
1357 #chomp($line); # remove newline #don't know why, but this remove newline in @current1 .... !
1358 my @temp = split(/\t/,$line);
1359 # if we find something "opt value" & value != "code nnn=" it's ok.
1360 return 1 if ( ($opt eq $temp[1]) && ($temp[2] !~ /code \d+=/) );
1361 }
1362 return 0;
1363 }