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