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 </form>
 603 END
 604 ;
 605
 606 &Header::closebox();
 607
 608 &Header::openbox('100%', 'left', $Lang::tr{'dhcp advopt list'});
 609 # DHCP Advanced options settings
 610 my %checked=();
 611 $checked{'ADVOPT_ENABLED'}{'on'} = ($dhcpsettings{'ADVOPT_ENABLED'} ne 'on') ? '' : "checked='checked'";
 612
 613 print "<form method='post' action='$ENV{'SCRIPT_NAME'}'><table width='100%'>";
 614 my $buttontext = $Lang::tr{'add'};
 615 if ($dhcpsettings{'KEY1'} ne '') {
 616     $buttontext = $Lang::tr{'update'};
 617     print "<tr><td class='boldbase'><b>$Lang::tr{'dhcp advopt edit'}</b></td></tr>";
 618 } else {
 619     print "<tr><td class='boldbase'><b>$Lang::tr{'dhcp advopt add'}</b></td></tr>"
 620 }
 621
 622 #search if the 'option' is in the list and print the syntax model
 623 my $opt = `grep "\$option $dhcpsettings{'ADVOPT_NAME'} " $filename3`;
 624 if ($opt ne '') {
 625    $opt =~ s/option $dhcpsettings{'ADVOPT_NAME'}/Syntax:/;  # "option xyz abc" => "syntax: abc"
 626    $opt =~ s/;//;
 627    $opt = "<tr><td></td><td></td><td colspan='2'>$opt</td></tr>";
 628 }
 629 print <<END
 630 <tr>
 631     <td class='base'>$Lang::tr{'dhcp advopt name'}:</td>
 632     <td><input type='text' name='ADVOPT_NAME' value='$dhcpsettings{'ADVOPT_NAME'}' size='18' /></td>
 633     <td class='base'>$Lang::tr{'dhcp advopt value'}:</td>
 634     <td><input type='text' name='ADVOPT_DATA' value='$dhcpsettings{'ADVOPT_DATA'}' size='40' /></td>
 635 </tr>$opt<tr>
 636     <td class='base'>$Lang::tr{'enabled'}</td><td><input type='checkbox' name='ADVOPT_ENABLED' $checked{'ADVOPT_ENABLED'}{'on'} /></td>
 637     <td class='base'>$Lang::tr{'dhcp advopt scope'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
 638     <td>
 639 END
 640 ;
 641
 642 # Put a checkbox for each interface. Checkbox visible disabled if interface is disabled
 643 foreach my $itf (@ITFs) {
 644     my $lc_itf=lc($itf);
 645     $checked{'ADVOPT_SCOPE_${itf}'}{'on'} = $dhcpsettings{"ADVOPT_SCOPE_${itf}"} ne 'on' ? '' : "checked='checked'";
 646     print "$Lang::tr{\"${lc_itf}\"} <input type='checkbox' name='ADVOPT_SCOPE_${itf}' $checked{'ADVOPT_SCOPE_${itf}'}{'on'} ";
 647     print $dhcpsettings{"ENABLE_${itf}"} eq 'on' ? "/>" : "disabled='disabled' />";
 648     print "&nbsp; &nbsp;";
 649 }
 650
 651 print <<END
 652     </td>
 653 </tr>
 654 </table>
 655 <hr />
 656 <table width='100%'>
 657 <tr>
 658     <td class='base' width='50%'><img src='/blob.gif' align='top' alt='*' />&nbsp;$Lang::tr{'dhcp advopt scope help'}</td>
 659     <td width='50%' align='right'>
 660     <input type='hidden' name='ACTION' value='$Lang::tr{'add'}1' />
 661     <input type='submit' name='SUBMIT' value='$buttontext' />
 662     <input type='submit' name='SUBMIT' value='$Lang::tr{'dhcp advopt help'}' />
 663     <input type='hidden' name='KEY1' value='$dhcpsettings{'KEY1'}' />
 664     </td>
 665 </tr>
 666 </table>
 667 </form>
 668 END
 669 ;
 670 #Edited line number (KEY1) passed until cleared by 'save' or 'remove' or 'new sort order'
 671
 672 # print help taken from the file describing options
 673 if ($dhcpsettings{'SUBMIT'} eq $Lang::tr{'dhcp advopt help'}) {
 674     print "<hr />";
 675     print "<table width='100%'>";
 676     print "<tr><td width='30%'><b>$Lang::tr{'dhcp advopt name'}</b></td><td width='70%'><b>$Lang::tr{'dhcp advopt value'}</b></td>";
 677     open(FILE, "$filename3");
 678     my @current3 = <FILE>;
 679     close(FILE);
 680     foreach my $line (@current3) {
 681         $line =~ /option ([a-z0-9-]+) (.*);/;
 682         print "<tr><td>$1</td><td>$2</td></tr>\n";
 683     }
 684     print "<tr><td colspan='2'><hr /></td></tr>\n";
 685     print '<tr><td>string type</td><td>"quoted string" or 00:01:FF...</td></tr>';
 686     print '<tr><td>ip-address type </td><td>10.0.0.1 | www.dot.com</td></tr>';
 687     print '<tr><td>int,uint types</td><td>numbers</td></tr>';
 688     print '<tr><td>flag type</td><td>on | off</td></tr>';
 689     print '</table>';
 690     print "<hr />";
 691     print "<table width='100%'>";
 692     print "<tr><td width='30%'><b>$Lang::tr{'dhcp advopt custom definition'}</b></td><td width='70%'><b>$Lang::tr{'dhcp advopt value'}</b></td>";
 693     print "<tr><td>any-name </td><td> code NNN=$OptionTypes</td></tr>";
 694     print '<tr><td>a-string</td><td>code 100=string</td></tr>';
 695     print '<tr><td>a-number</td><td>code 101=signed integer 8</td></tr>';
 696     print '<tr><td>wpad</td><td>code 252=text</td></tr>';
 697     print '<tr><td>wpad</td><td>"http://www.server.fr/path-to/proxy.pac"</td></tr>';
 698     print '</table>';
 699
 700 }
 701
 702 print <<END
 703 <hr />
 704 <table width='100%'>
 705 <tr>
 706     <td width='30%' class='boldbase' align='center'><b>$Lang::tr{'dhcp advopt name'}</b></td>
 707     <td width='50%' class='boldbase' align='center'><b>$Lang::tr{'dhcp advopt value'}</b></td>
 708     <td width='20%' class='boldbase' align='center'><b>$Lang::tr{'dhcp advopt scope'}</b></td>
 709     <td colspan='3' class='boldbase' align='center'><b>$Lang::tr{'action'}</b></td>
 710 </tr>
 711 END
 712 ;
 713 my $key = 0;
 714 foreach my $line (@current1) {
 715     my $gif = '';
 716     my $gdesc = '';
 717     chomp($line);   # remove newline
 718     my @temp = split(/\t/,$line);
 719
 720     if ($temp[0] eq "on") {
 721         $gif = 'on.gif';
 722         $gdesc = $Lang::tr{'click to disable'};
 723     } else {
 724         $gif = 'off.gif';
 725         $gdesc = $Lang::tr{'click to enable'};
 726     }
 727
 728     if ($dhcpsettings{'KEY1'} eq $key) {
 729         print "<tr bgcolor='${Header::colouryellow}'>";
 730     } elsif ($key % 2) {
 731         print "<tr bgcolor='$color{'color22'}'>";
 732     } else {
 733         print "<tr bgcolor='$color{'color20'}'>";
 734     }
 735
 736     print <<END
 737 <td align='center'>$temp[1]</td>
 738 <td align='center'>$temp[2]</td>
 739 <td align='center'>
 740 END
 741 ;
 742     # Prepare a global flag to make easy reading
 743     my $global = '';
 744     my $disabledTogle = '';
 745     my $disabledEditRemove = '';
 746     if ( ExistNewOptionDefinition ($temp[1] . ' ' . $temp[2]) ) {
 747         $global = $Lang::tr{'dhcp advopt definition'};
 748         $disabledTogle = "disabled='disabled'";
 749         # Search if it is a used NewOptionDefinition to also disable edit & delete
 750         $disabledEditRemove = "disabled='disabled'" if (IsUsedNewOptionDefinition ($temp[1], $temp[2]));
 751     } else {
 752         $global = $Lang::tr{'dhcp advopt scope global'};
 753     }
 754
 755
 756     # Print each checked interface
 757     for (my $key=0; $key<@ITFs; $key++) {
 758         my $itf = $temp[3+$key];
 759         if ($itf ne 'off') {    # Only if an interface name is read
 760             print "$itf";
 761             $global='';         # fall to local scope !
 762         }
 763     }
 764     print <<END
 765 $global</td>
 766 <td align='center'>
 767 <form method='post' action='$ENV{'SCRIPT_NAME'}'>
 768 <input type='hidden' name='ACTION' value='$Lang::tr{'toggle enable disable'}1' />
 769 <input $disabledTogle type='image' name='$Lang::tr{'toggle enable disable'}' src='/images/$gif' alt='$gdesc' title='$gdesc' />
 770 <input type='hidden' name='KEY1' value='$key' />
 771 </form>
 772 </td>
 773
 774 <td align='center'>
 775 <form method='post' action='$ENV{'SCRIPT_NAME'}'>
 776 <input type='hidden' name='ACTION' value='$Lang::tr{'edit'}1' />
 777 <input $disabledEditRemove type='image' name='$Lang::tr{'edit'}' src='/images/edit.gif' alt='$Lang::tr{'edit'}' title='$Lang::tr{'edit'}' />
 778 <input type='hidden' name='KEY1' value='$key' />
 779 </form>
 780 </td>
 781
 782 <td align='center'>
 783 <form method='post' action='$ENV{'SCRIPT_NAME'}'>
 784 <input type='hidden' name='ACTION' value='$Lang::tr{'remove'}1' />
 785 <input $disabledEditRemove type='image' name='$Lang::tr{'remove'}' src='/images/delete.gif' alt='$Lang::tr{'remove'}' title='$Lang::tr{'remove'}' />
 786 <input type='hidden' name='KEY1' value='$key' />
 787 </form>
 788 </td>
 789 </tr>
 790 END
 791 ;
 792     $key++;
 793 }
 794
 795 print "</table>";
 796
 797 # If there are dhcp options, print Key to action icons
 798 if ($key) {
 799 print <<END
 800 <table>
 801 <tr>
 802         <td class='boldbase'>&nbsp;<b>$Lang::tr{'legend'}:&nbsp;</b></td>
 803         <td><img src='/images/on.gif' alt='$Lang::tr{'click to disable'}' /></td>
 804         <td class='base'>$Lang::tr{'click to disable'}</td>
 805         <td>&nbsp;&nbsp;</td>
 806         <td><img src='/images/off.gif' alt='$Lang::tr{'click to enable'}' /></td>
 807         <td class='base'>$Lang::tr{'click to enable'}</td>
 808         <td>&nbsp;&nbsp;</td>
 809         <td><img src='/images/edit.gif' alt='$Lang::tr{'edit'}' /></td>
 810         <td class='base'>$Lang::tr{'edit'}</td>
 811         <td>&nbsp;&nbsp;</td>
 812         <td><img src='/images/delete.gif' alt='$Lang::tr{'remove'}' /></td>
 813         <td class='base'>$Lang::tr{'remove'}</td>
 814 </tr>
 815 </table>
 816 END
 817 ;
 818 }
 819 &Header::closebox();
 820
 821 &Header::openbox('100%', 'left', $Lang::tr{'current fixed leases'});
 822 # Fixed leases screens
 823 $checked{'FIX_ENABLED'}{'on'} = ($dhcpsettings{'FIX_ENABLED'} ne 'on') ? '' : "checked='checked'";
 824
 825 $buttontext = $Lang::tr{'add'};
 826 print "<form method='post' action='$ENV{'SCRIPT_NAME'}'><table width='100%'>";
 827
 828 if ($dhcpsettings{'KEY2'} ne '') {
 829     $buttontext = $Lang::tr{'update'};
 830     print "<tr><td class='boldbase' colspan='3'><b>$Lang::tr{'edit an existing lease'}</b></td></tr>";
 831 } else {
 832     print "<tr><td class='boldbase' colspan='3'><b>$Lang::tr{'add new lease'}</b></td></tr>"
 833 }
 834 print <<END
 835 <tr>
 836     <td class='base'>$Lang::tr{'mac address'}:</td>
 837     <td><input type='text' name='FIX_MAC' value='$dhcpsettings{'FIX_MAC'}' size='18' /></td>
 838     <td class='base'>$Lang::tr{'ip address'}:</td>
 839     <td><input type='text' name='FIX_ADDR' value='$dhcpsettings{'FIX_ADDR'}' size='18' /></td>
 840     <td class='base'>$Lang::tr{'remark'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
 841     <td><input type='text' name='FIX_REMARK' value='$dhcpsettings{'FIX_REMARK'}' size='18' /></td>
 842 </tr><tr>
 843     <td class='base'>$Lang::tr{'enabled'}</td><td><input type='checkbox' name='FIX_ENABLED' $checked{'FIX_ENABLED'}{'on'} /></td>
 844 </tr><tr>
 845     <td colspan = '3'><b>$Lang::tr{'dhcp bootp pxe data'}</b></td>
 846 </tr><tr>
 847     <td class='base'>next-server:&nbsp;<img src='/blob.gif' alt='*' /></td>
 848     <td><input type='text' name='FIX_NEXTADDR' value='$dhcpsettings{'FIX_NEXTADDR'}' size='18' /></td>
 849     <td class='base'>filename:&nbsp;<img src='/blob.gif' alt='*' /></td>
 850     <td><input type='text' name='FIX_FILENAME' value='$dhcpsettings{'FIX_FILENAME'}' size='18' /></td>
 851     <td class='base'>root path:&nbsp;<img src='/blob.gif' alt='*' /></td>
 852     <td><input type='text' name='FIX_ROOTPATH' value='$dhcpsettings{'FIX_ROOTPATH'}' size='18' /></td>
 853 </tr>
 854 </table>
 855 <hr />
 856 <table width='100%'>
 857 <tr>
 858     <td class='base' width='50%'><img src='/blob.gif' align='top' alt='*' />&nbsp;$Lang::tr{'this field may be blank'}</td>
 859     <td width='50%' align='right'>
 860         <input type='hidden' name='ACTION' value='$Lang::tr{'add'}2' />
 861         <input type='submit' name='SUBMIT' value='$buttontext' />
 862         <input type='hidden' name='KEY2' value='$dhcpsettings{'KEY2'}' /></td>
 863 </tr>
 864 </table>
 865 </form>
 866 END
 867 ;
 868 #Edited line number (KEY2) passed until cleared by 'save' or 'remove' or 'new sort order'
 869
 870 print <<END
 871 <hr />
 872 <table width='100%' class='tbl'>
 873 <tr>
 874     <th width='20%' align='center'><a href='$ENV{'SCRIPT_NAME'}?FETHER'><b>$Lang::tr{'mac address'}</b></a></th>
 875     <th width='20%' align='center'><a href='$ENV{'SCRIPT_NAME'}?FIPADDR'><b>$Lang::tr{'ip address'}</b></a></th>
 876     <th width='15%' align='center'><b>$Lang::tr{'remark'}</b></th>
 877     <th width='15%' class='boldbase' align='center'><b>next-server</b></th>
 878     <th width='15%' class='boldbase' align='center'><b>filename</b></th>
 879     <th width='15%' class='boldbase' align='center'><b>root path</b></th>
 880     <th colspan='3' class='boldbase' align='center'><b>$Lang::tr{'action'}</b></th>
 881 </tr>
 882 END
 883 ;
 884 my $ipdup = 0;
 885 my %ipinuse = ();
 886 my %macdupl = (); # Duplicate MACs have to be on different subnets
 887 my %ipoutside = ();
 888
 889 # mark duplicate ip or duplicate MAC
 890 foreach my $line (@current2) {
 891     my @temp = split(/\,/,$line);
 892     $macdupl{$temp[0]} += 1;
 893     if ($macdupl{$temp[0]} > 1) {
 894         $ipdup = 1;     # Flag up duplicates for use later
 895     }
 896     $ipinuse{$temp[1]} += 1;
 897     if ($ipinuse{$temp[1]} > 1) {
 898         $ipdup = 1;     # Flag up duplicates for use later
 899     }
 900     # Mark IP addresses outwith known subnets
 901     $ipoutside{$temp[1]} = 1;
 902     foreach my $itf (@ITFs) {
 903         if ( &General::IpInSubnet($temp[1],
 904                 $netsettings{"${itf}_NETADDRESS"},
 905                 $netsettings{"${itf}_NETMASK"})) {
 906             $ipoutside{$temp[1]} = 0;
 907         }
 908     }
 909 }
 910
 911 $key = 0;
 912 my $col="";
 913 foreach my $line (@current2) {
 914     my $gif = '';
 915     my $gdesc = '';
 916     chomp($line);   # remove newline
 917     my @temp = split(/\,/,$line);
 918
 919     if ($temp[2] eq "on") {
 920         $gif = 'on.gif';
 921         $gdesc = $Lang::tr{'click to disable'};
 922     } else {
 923         $gif = 'off.gif';
 924         $gdesc = $Lang::tr{'click to enable'};
 925     }
 926
 927     if ($dhcpsettings{'KEY2'} eq $key) {
 928         print "<tr>";
 929         $col="bgcolor='${Header::colouryellow}'";
 930     } elsif ($key % 2) {
 931         print "<tr>";
 932         $col="bgcolor='$color{'color20'}'";
 933     } else {
 934         print "<tr>";
 935         $col="bgcolor='$color{'color22'}'";
 936     }
 937     my $TAG0 = '';
 938     my $TAG1 = '';
 939     my $TAG2 = '';
 940     my $TAG3 = '';
 941     my $TAG4 = '';
 942     if ($ipinuse{$temp[1]} > 1) {
 943         $TAG0 = '<b>';
 944         $TAG1 = '</b>';
 945     }
 946     if ($macdupl{$temp[0]} > 1) {
 947         $TAG2 = '<b>';
 948         $TAG3 = '</b>';
 949     }
 950     if ($ipoutside{$temp[1]} > 0) {
 951         $TAG4 = "bgcolor='orange'" if ($dhcpsettings{'KEY2'} ne $key);
 952     }
 953
 954     print <<END
 955 <td align='center' $col>$TAG2$temp[0]$TAG3</td>
 956 <td align='center' $col $TAG4>$TAG0$temp[1]$TAG1</td>
 957 <td align='center' $col>$temp[6]&nbsp;</td>
 958 <td align='center' $col>$temp[3]&nbsp;</td>
 959 <td align='center' $col>$temp[4]&nbsp;</td>
 960 <td align='center' $col>$temp[5]&nbsp;</td>
 961
 962 <td align='center' $col>
 963 <form method='post' action='$ENV{'SCRIPT_NAME'}'>
 964 <input type='hidden' name='ACTION' value='$Lang::tr{'toggle enable disable'}2' />
 965 <input type='image' name='$Lang::tr{'toggle enable disable'}' src='/images/$gif' alt='$gdesc' title='$gdesc' />
 966 <input type='hidden' name='KEY2' value='$key' />
 967 </form>
 968 </td>
 969
 970 <td align='center' $col>
 971 <form method='post' action='$ENV{'SCRIPT_NAME'}'>
 972 <input type='hidden' name='ACTION' value='$Lang::tr{'edit'}2' />
 973 <input type='image' name='$Lang::tr{'edit'}' src='/images/edit.gif' alt='$Lang::tr{'edit'}' title='$Lang::tr{'edit'}' />
 974 <input type='hidden' name='KEY2' value='$key' />
 975 </form>
 976 </td>
 977
 978 <td align='center' $col>
 979 <form method='post' action='$ENV{'SCRIPT_NAME'}'>
 980 <input type='hidden' name='ACTION' value='$Lang::tr{'remove'}2' />
 981 <input type='image' name='$Lang::tr{'remove'}' src='/images/delete.gif' alt='$Lang::tr{'remove'}' title='$Lang::tr{'remove'}' />
 982 <input type='hidden' name='KEY2' value='$key' />
 983 </form>
 984 </td>
 985 </tr>
 986 END
 987 ;
 988     $key++;
 989 }
 990 print "</table>";
 991
 992 # If the fixed lease file contains entries, print Key to action icons
 993 if ($key) {
 994 my $dup = $ipdup ? "<td class='base'>$Lang::tr{'duplicate ip bold'}</td>" :'';
 995 print <<END
 996 <table>
 997 <tr>
 998         <td class='boldbase'>&nbsp;<b>$Lang::tr{'legend'}:&nbsp;</b></td>
 999         <td><img src='/images/on.gif' alt='$Lang::tr{'click to disable'}' /></td>
1000         <td class='base'>$Lang::tr{'click to disable'}</td>
1001         <td>&nbsp;&nbsp;</td>
1002         <td><img src='/images/off.gif' alt='$Lang::tr{'click to enable'}' /></td>
1003         <td class='base'>$Lang::tr{'click to enable'}</td>
1004         <td>&nbsp;&nbsp;</td>
1005         <td><img src='/images/edit.gif' alt='$Lang::tr{'edit'}' /></td>
1006         <td class='base'>$Lang::tr{'edit'}</td>
1007         <td>&nbsp;&nbsp;</td>
1008         <td><img src='/images/delete.gif' alt='$Lang::tr{'remove'}' /></td>
1009         <td class='base'>$Lang::tr{'remove'}</td>
1010 </tr>
1011 <tr>
1012         <td>&nbsp;</td>
1013         <td bgcolor='orange'>&nbsp;</td>
1014         <td class='base'>$Lang::tr{'ip address outside subnets'}</td>
1015         <td>&nbsp;</td>
1016         <td>&nbsp;</td>
1017         $dup
1018 </tr>
1019 </table>
1020 END
1021 ;
1022 }
1023
1024 &Header::closebox();
1025
1026 foreach my $itf (@ITFs) {
1027     if ($dhcpsettings{"ENABLE_${itf}"} eq 'on') {
1028         # display leases with a list of actions to do with the global select checkbox.
1029         &Header::PrintActualLeases("+");        # "+" => create fixed leases from nodeaddress
1030         last;                   #Print one time only for all interfaces
1031     };
1032 }
1033
1034 &Header::closebigbox();
1035 &Header::closepage();
1036
1037 ## Ouf it's the end !
1038
1039 sub sortcurrent1  # by now, do not sort, just write
1040 {
1041     open(FILE, ">$filename1") or die 'Unable to open dhcp advanced options file.';
1042     print FILE @current1;
1043     close(FILE);
1044 }
1045
1046
1047 # Sort the "current2" array according to choices
1048 sub sortcurrent2
1049 {
1050     our %entries = ();
1051
1052     sub fixedleasesort {
1053         my $qs='';
1054         if (rindex ($dhcpsettings{'SORT_FLEASELIST'},'Rev') != -1) {
1055             $qs=substr ($dhcpsettings{'SORT_FLEASELIST'},0,length($dhcpsettings{'SORT_FLEASELIST'})-3);
1056             if ($qs eq 'FIPADDR') {
1057                 my @a = split(/\./,$entries{$a}->{$qs});
1058                 my @b = split(/\./,$entries{$b}->{$qs});
1059                 ($b[0]<=>$a[0]) ||
1060                 ($b[1]<=>$a[1]) ||
1061                 ($b[2]<=>$a[2]) ||
1062                 ($b[3]<=>$a[3]);
1063             } else {
1064                 $entries{$b}->{$qs} cmp $entries{$a}->{$qs};
1065             }
1066         } else { #not reverse
1067             $qs=$dhcpsettings{'SORT_FLEASELIST'};
1068             if ($qs eq 'FIPADDR') {
1069                 my @a = split(/\./,$entries{$a}->{$qs});
1070                 my @b = split(/\./,$entries{$b}->{$qs});
1071                 ($a[0]<=>$b[0]) ||
1072                 ($a[1]<=>$b[1]) ||
1073                 ($a[2]<=>$b[2]) ||
1074                 ($a[3]<=>$b[3]);
1075             } else {
1076                 $entries{$a}->{$qs} cmp $entries{$b}->{$qs};
1077             }
1078         }
1079     }
1080
1081     #Use an associative array (%entries)
1082     foreach my $line (@current2) {
1083         chomp( $line); #remove newline because can be on field 5 or 6 (addition of REMARK)
1084         my @temp = split (',',$line);
1085         my @record = ('FETHER',$temp[0],'FIPADDR',$temp[1],'DATA',join(',',@temp[2..6]));
1086         my $record = {};                        # create a reference to empty hash
1087         %{$record} = @record;                   # populate that hash with @record
1088         # use combination of ether & IP as key to allow duplicates in either but not both
1089         $entries{$record->{FETHER} . $record->{FIPADDR}} = $record; # add this to a hash of hashes
1090     }
1091
1092     open(FILE, ">$filename2") or die 'Unable to open fixed lease file.';
1093     foreach my $entry ( sort fixedleasesort keys %entries) {
1094         print FILE "$entries{$entry}->{FETHER},$entries{$entry}->{FIPADDR},$entries{$entry}->{DATA}\n";
1095     }
1096     close(FILE);
1097
1098     # Reload sorted  @current2
1099     open (FILE, "$filename2");
1100     @current2 = <FILE>;
1101     close (FILE);
1102     undef (%entries);  #This array is reused latter. Clear it.
1103 }
1104
1105 # Build the configuration file mixing  settings, fixed leases and advanced options
1106 sub buildconf {
1107     open(FILE, ">/${General::swroot}/dhcp/dhcpd.conf") or die "Unable to write dhcpd.conf file";
1108     flock(FILE, 2);
1109
1110     # Global settings
1111     print FILE "deny bootp;     #default\n";
1112     print FILE "authoritative;\n";
1113
1114     # DNS Update settings
1115     if ($dhcpsettings{'DNS_UPDATE_ENABLED'} eq 'on') {
1116         print FILE "ddns-updates           on;\n";
1117         print FILE "ddns-update-style      interim;\n";
1118         print FILE "ignore                 client-updates;\n";
1119         print FILE "update-static-leases   on;\n";
1120     } else {
1121         print FILE "ddns-update-style none;\n";
1122     }
1123
1124     # Write first new option definition
1125     foreach my $line (@current1) {
1126         chomp($line);   # remove newline
1127         my @temp = split(/\t/,$line);
1128         if (ExistNewOptionDefinition ($temp[1] . ' ' . $temp[2])) {
1129                 print FILE "option $temp[1] $temp[2];\n";
1130         }
1131     }
1132     # Write other global options
1133     foreach my $line (@current1) {
1134         chomp($line);   # remove newline
1135         my @temp = split(/\t/,$line);
1136
1137         if ($temp[0] eq 'on' && !ExistNewOptionDefinition ($temp[1] . ' ' . $temp[2])){ # active & !definition
1138             my $global=1;
1139             for (my $key=0; $key<@ITFs; $key++) {
1140                 my $itf = $temp[3+$key];
1141                 if ($itf ne 'off') # Only if an interface name is read
1142                 {
1143                     $global=0;
1144                 }
1145             }
1146             if ($global) {
1147                 print FILE "option $temp[1] $temp[2];\n";
1148             }
1149         }# on
1150     }# foreach line
1151
1152     #Subnet range definition
1153     foreach my $itf (@ITFs) {
1154         my $lc_itf=lc($itf);
1155         if ($dhcpsettings{"ENABLE_${itf}"} eq 'on' ){
1156             print FILE "\nsubnet " . $netsettings{"${itf}_NETADDRESS"} . " netmask ". $netsettings{"${itf}_NETMASK"} . " #$itf\n";
1157             print FILE "{\n";
1158             print FILE "\trange " . $dhcpsettings{"START_ADDR_${itf}"} . ' ' . $dhcpsettings{"END_ADDR_${itf}"}.";\n" if ($dhcpsettings{"START_ADDR_${itf}"});
1159             print FILE "\toption subnet-mask "   . $netsettings{"${itf}_NETMASK"} . ";\n";
1160             print FILE "\toption domain-name \"" . $dhcpsettings{"DOMAIN_NAME_${itf}"} . "\";\n";
1161             print FILE "\toption routers " . $netsettings{"${itf}_ADDRESS"} . ";\n";
1162             print FILE "\toption domain-name-servers " . $dhcpsettings{"DNS1_${itf}"}  if ($dhcpsettings{"DNS1_${itf}"});
1163             print FILE ", " . $dhcpsettings{"DNS2_${itf}"}                             if ($dhcpsettings{"DNS2_${itf}"});
1164             print FILE ";\n"                                                           if ($dhcpsettings{"DNS1_${itf}"});
1165             print FILE "\toption ntp-servers " . $dhcpsettings{"NTP1_${itf}"}          if ($dhcpsettings{"NTP1_${itf}"});
1166             print FILE ", " . $dhcpsettings{"NTP2_${itf}"}                             if ($dhcpsettings{"NTP2_${itf}"});
1167             print FILE ";\n"                                                           if ($dhcpsettings{"NTP1_${itf}"});
1168             print FILE "\toption netbios-name-servers " . $dhcpsettings{"WINS1_${itf}"}     if ($dhcpsettings{"WINS1_${itf}"});
1169             print FILE ", " . $dhcpsettings{"WINS2_${itf}"}                            if ($dhcpsettings{"WINS2_${itf}"});
1170             print FILE ";\n"                                                           if ($dhcpsettings{"WINS1_${itf}"});
1171             print FILE "\tnext-server " . $dhcpsettings{"NEXT_${itf}"} . ";\n" if ($dhcpsettings{"NEXT_${itf}"});
1172             print FILE "\tfilename \"" . $dhcpsettings{"FILE_${itf}"} . "\";\n" if ($dhcpsettings{"FILE_${itf}"});
1173             print FILE "\tdefault-lease-time " . ($dhcpsettings{"DEFAULT_LEASE_TIME_${itf}"} * 60). ";\n";
1174             print FILE "\tmax-lease-time "     . ($dhcpsettings{"MAX_LEASE_TIME_${itf}"} * 60)    . ";\n";
1175             print FILE "\tallow bootp;\n" if ($dhcpsettings{"ENABLEBOOTP_${itf}"} eq 'on');
1176
1177
1178
1179             # Write scoped options
1180             foreach my $line (@current1) {
1181                 chomp($line);   # remove newline
1182                 my @temp = split(/\t/,$line);           # Use TAB separator !
1183
1184                 if ($temp[0] eq 'on'){
1185                     for (my $key=0; $key<@ITFs; $key++) {
1186                         if ($itf eq $temp[3+$key]) # Only is an interface name is read
1187                         {
1188                             print FILE "\toption $temp[1] $temp[2];\n";
1189                         }
1190                     }
1191                 }# on
1192             }# foreach line
1193             print FILE "} #$itf\n";
1194
1195             if (($dhcpsettings{"DNS_UPDATE_ENABLED"} eq "on") && ($dhcpsettings{"DNS_UPDATE_KEY_NAME_${itf}"} ne "")) {
1196                 print FILE "key " . $dhcpsettings{"DNS_UPDATE_KEY_NAME_${itf}"} . "{\n";
1197                 print FILE "\talgorithm " . $dhcpsettings{"DNS_UPDATE_KEY_ALGO_${itf}"} . ";\n";
1198                 print FILE "\tsecret \"" . $dhcpsettings{"DNS_UPDATE_KEY_SECRET_${itf}"} . "\";\n";
1199                 print FILE "};\n\n";
1200
1201                 print FILE "zone " . $dhcpsettings{"DOMAIN_NAME_${itf}"} . ". {\n";
1202                 print FILE "\tkey " . $dhcpsettings{"DNS_UPDATE_KEY_NAME_${itf}"} . ";\n";
1203                 print FILE "}\n\n";
1204             }
1205
1206             system ('/usr/bin/touch', "${General::swroot}/dhcp/enable_${lc_itf}");
1207             &General::log("DHCP on ${itf}: " . $Lang::tr{'dhcp server enabled'})
1208         } else {
1209             unlink "${General::swroot}/dhcp/enable_${lc_itf}";
1210             &General::log("DHCP on ${itf}: " . $Lang::tr{'dhcp server disabled'})
1211         }
1212     }
1213
1214     #write fixed leases if any. Does not handle duplicates to write them elsewhere than the global scope.
1215     my $key = 0;
1216     foreach my $line (@current2) {
1217         chomp($line);
1218         my @temp = split(/\,/,$line);
1219         if ($temp[2] eq "on") {
1220             print FILE "\nhost fix$key # $temp[6]\n";
1221             print FILE "{\n";
1222             print FILE "\thardware ethernet $temp[0];\n";
1223             print FILE "\tfixed-address $temp[1];\n";
1224             print FILE "\tnext-server $temp[3];\n"          if ($temp[3]);
1225             print FILE "\tfilename \"$temp[4]\";\n"         if ($temp[4]);
1226             print FILE "\toption root-path \"$temp[5]\";\n" if ($temp[5]);
1227             print FILE "}\n";
1228             $key++;
1229         }
1230     }
1231     print FILE "include \"${General::swroot}/dhcp/dhcpd.conf.local\";\n";
1232     close FILE;
1233     if ( $dhcpsettings{"ENABLE_GREEN"} eq 'on' || $dhcpsettings{"ENABLE_BLUE"} eq 'on' ) {system '/usr/local/bin/dhcpctrl enable >/dev/null 2>&1';}
1234     else {system '/usr/local/bin/dhcpctrl disable >/dev/null 2>&1';}
1235     system '/usr/local/bin/dhcpctrl restart >/dev/null 2>&1';
1236 }
1237
1238 #
1239 # Receive a string and if it match model for a new option,
1240 # add it to the list %newOptions
1241 #
1242 my %NewOptions = ();
1243
1244 sub AddNewOptionDefinition {
1245     my ($line) = @_;
1246     if ( $line =~ /^([-\w]+)( code \d+=($OptionTypes))/ ) {
1247         $NewOptions{$1} = $2;
1248         #&General::log ("new:<$1><$2>");
1249         return 1;
1250     }
1251     return 0;
1252 }
1253
1254 #
1255 # Check existence of definition for a new option
1256 #
1257 sub ExistNewOptionDefinition {
1258     my ($line) = @_;
1259
1260     if ( $line =~ /^([-\w]+)( code \d+=($OptionTypes))/ ) {
1261         return defined $NewOptions{$1};
1262     }
1263     return 0;
1264 }
1265
1266 #
1267 # Check if it is a new option (definition must exist)
1268 # "code=" test eliminate a false response when definition exists
1269 # but this string is a definition with bad $OptionTypes.
1270 sub ValidNewOption {
1271     my ($line) = @_;
1272     if ($line =~ /^([-\w]+) (.*)/ ) {
1273         return defined ( $NewOptions{$1} ) && $2 !~ /code=/;
1274     }
1275     return 0;
1276 }
1277
1278 #
1279 # Check if the new option $opt is used, except the definition of itself!
1280 #
1281 sub IsUsedNewOptionDefinition {
1282     my ($opt,$val) = @_;
1283
1284     foreach my $line (@current1) {
1285         #chomp($line);   # remove newline        #don't know why, but this remove newline in @current1 .... !
1286         my @temp = split(/\t/,$line);
1287         # if we find something "opt value" & value != "code nnn=" it's ok.
1288         return 1 if ( ($opt eq $temp[1]) && ($temp[2] !~ /code \d+=/) );
1289     }
1290     return 0;
1291 }