html/cgi-bin/dhcp.cgi

   1 #!/usr/bin/perl
   2 #
   3 # SmoothWall CGIs
   4 #
   5 # This code is distributed under the terms of the GPL
   6 #
   7 # (c) The SmoothWall Team
   8 #
   9 # Copyright (C) 01-02-2002 Graham Smith <grhm@grhm.co.uk>
  10 #              - Fixed DHCP Leases added
  11 #
  12 # $Id: dhcp.cgi,v 1.14.2.81 2006/01/20 12:05:29 franck78 Exp $
  13 #
  14 #  Franck       -rewrite for two or more interface
  15 #  nov/2004     -check range is in correct subnet
  16 #               -add NTP option
  17 #               -add display sorting of actives leases
  18 #  dec/2004     -add comment field to fixed leases
  19 #
  20 # to do : choose a correct format for displaying dates
  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
  48 #Basic syntax allowed for new Option definition. Not implemented: RECORDS & array of RECORDS
  49 our $OptionTypes = 'boolean|((un)?signed )?integer (8|16|32)|ip-address|text|string|encapsulate \w+|array of ip-address';
  50
  51 &Header::showhttpheaders();
  52 our @ITFs=('GREEN');
  53 if (&Header::blue_used()){push(@ITFs,'BLUE');}
  54
  55 #Settings1 for the first screen box
  56 foreach my $itf (@ITFs) {
  57     $dhcpsettings{"ENABLE_${itf}"} = 'off';
  58     $dhcpsettings{"ENABLEBOOTP_${itf}"} = 'off';
  59     $dhcpsettings{"START_ADDR_${itf}"} = '';
  60     $dhcpsettings{"END_ADDR_${itf}"} = '';
  61     $dhcpsettings{"DOMAIN_NAME_${itf}"} = '';
  62     $dhcpsettings{"DEFAULT_LEASE_TIME_${itf}"} = '';
  63     $dhcpsettings{"MAX_LEASE_TIME_${itf}"} = '';
  64     $dhcpsettings{"WINS1_${itf}"} = '';
  65     $dhcpsettings{"WINS2_${itf}"} = '';
  66     $dhcpsettings{"DNS1_${itf}"} = '';
  67     $dhcpsettings{"DNS2_${itf}"} = '';
  68     $dhcpsettings{"NTP1_${itf}"} = '';
  69     $dhcpsettings{"NTP2_${itf}"} = '';
  70     $dhcpsettings{"NEXT_${itf}"} = '';
  71     $dhcpsettings{"FILE_${itf}"} = '';
  72 }
  73
  74 $dhcpsettings{'SORT_FLEASELIST'} = 'FIPADDR';
  75 $dhcpsettings{'SORT_LEASELIST'} = 'IPADDR';
  76
  77 #Settings2 for editing the multi-line list
  78 #Must not be saved with writehash !
  79 $dhcpsettings{'FIX_MAC'} = '';
  80 $dhcpsettings{'FIX_ADDR'} = '';
  81 $dhcpsettings{'FIX_ENABLED'} = 'off';
  82 $dhcpsettings{'FIX_NEXTADDR'} = '';
  83 $dhcpsettings{'FIX_FILENAME'} = '';
  84 $dhcpsettings{'FIX_ROOTPATH'} = '';
  85 $dhcpsettings{'FIX_REMARK'} = '';
  86 $dhcpsettings{'ACTION'} = '';
  87 $dhcpsettings{'KEY1'} = '';
  88 $dhcpsettings{'KEY2'} = '';
  89 @nosaved=('FIX_MAC','FIX_ADDR','FIX_ENABLED','FIX_NEXTADDR',
  90             'FIX_FILENAME','FIX_ROOTPATH','FIX_REMARK');
  91
  92 $dhcpsettings{'ADVOPT_ENABLED'} = '';
  93 $dhcpsettings{'ADVOPT_NAME'} = '';
  94 $dhcpsettings{'ADVOPT_DATA'} = '';
  95 unshift (@nosaved,'ADVOPT_ENABLED','ADVOPT_NAME','ADVOPT_DATA');
  96 foreach my $itf (@ITFs) {
  97     $dhcpsettings{"ADVOPT_SCOPE_${itf}"} = 'off';
  98     unshift (@nosaved, "ADVOPT_SCOPE_${itf}");
  99 }
 100
 101 # Read Ipcop settings
 102 &General::readhash("${General::swroot}/ethernet/settings", \%netsettings);
 103 &General::readhash("${General::swroot}/main/settings", \%mainsettings);
 104 &General::readhash("${General::swroot}/time/settings", \%timesettings);
 105
 106 #Get GUI values
 107 &Header::getcgihash(\%dhcpsettings);
 108
 109 open(FILE, "$filename1") or die 'Unable to open dhcp advanced options file.';
 110 our @current1 = <FILE>;
 111 close(FILE);
 112 # Extract OptionDefinition
 113 foreach my $line (@current1) {
 114     #chomp($line);   # remove newline        #don't know why, but this remove newline in @current1 .... !
 115     my @temp = split(/\t/,$line);
 116     AddNewOptionDefinition ($temp[1] . ' ' . $temp[2]);
 117 }
 118
 119 open(FILE, "$filename2") or die 'Unable to open fixed leases file.';
 120 our @current2 = <FILE>;
 121 close(FILE);
 122
 123 # Check Settings1 first because they are needed by &buildconf
 124 if ($dhcpsettings{'ACTION'} eq $Lang::tr{'save'}) {
 125     foreach my $itf (@ITFs) {
 126         if ($dhcpsettings{"ENABLE_${itf}"} eq 'on' ) {
 127             # "Start" is defined, need "End" and vice versa
 128             if ($dhcpsettings{"START_ADDR_${itf}"}) {
 129                 if (!(&General::validip($dhcpsettings{"START_ADDR_${itf}"}))) {
 130                     $errormessage = "DHCP on ${itf}: " . $Lang::tr{'invalid start address'};
 131                     goto ERROR;
 132                 }
 133                 if (!$dhcpsettings{"END_ADDR_${itf}"}) {
 134                     $errormessage = "DHCP on ${itf}: " . $Lang::tr{'invalid end address'};
 135                     goto ERROR;
 136                 }
 137                 if (! &General::IpInSubnet ( $dhcpsettings{"START_ADDR_${itf}"},
 138                                     $netsettings{"${itf}_NETADDRESS"},
 139                                     $netsettings{"${itf}_NETMASK"})) {
 140                     $errormessage = "DHCP on ${itf}: " . $Lang::tr{'invalid start address'};
 141                     goto ERROR;
 142                 }
 143             }
 144
 145             if ($dhcpsettings{"END_ADDR_${itf}"}) {
 146                 if (!(&General::validip($dhcpsettings{"END_ADDR_${itf}"}))) {
 147                     $errormessage = "DHCP on ${itf}: " . $Lang::tr{'invalid end address'};
 148                     goto ERROR;
 149                 }
 150                 if (!$dhcpsettings{"START_ADDR_${itf}"}) {
 151                     $errormessage = "DHCP on ${itf}: " . $Lang::tr{'invalid start address'};
 152                     goto ERROR;
 153                 }
 154                 if (! &General::IpInSubnet ( $dhcpsettings{"END_ADDR_${itf}"},
 155                                     $netsettings{"${itf}_NETADDRESS"},
 156                                     $netsettings{"${itf}_NETMASK"})) {
 157                     $errormessage = "DHCP on ${itf}: " . $Lang::tr{'invalid end address'};
 158                     goto ERROR;
 159                 }
 160                 #swap if necessary! (support 255.255.0.0 range, I doubt we need more) GE
 161                 my @startoct = split (/\./, $dhcpsettings{"START_ADDR_${itf}"});
 162                 my @endoct   = split (/\./, $dhcpsettings{"END_ADDR_${itf}"});
 163                 if ( $endoct[2]*256+$endoct[3] < $startoct[2]*256+$startoct[3] ) {
 164                     ($dhcpsettings{"START_ADDR_${itf}"},$dhcpsettings{"END_ADDR_${itf}"}) =
 165                         ($dhcpsettings{"END_ADDR_${itf}"},$dhcpsettings{"START_ADDR_${itf}"});
 166                 }
 167             }
 168
 169             if (!($dhcpsettings{"DEFAULT_LEASE_TIME_${itf}"} =~ /^\d+$/)) {
 170                 $errormessage = "DHCP on ${itf}: " . $Lang::tr{'invalid default lease time'} . $dhcpsettings{'DEFAULT_LEASE_TIME_${itf}'};
 171                 goto ERROR;
 172             }
 173
 174             if (!($dhcpsettings{"MAX_LEASE_TIME_${itf}"} =~ /^\d+$/)) {
 175                 $errormessage = "DHCP on ${itf}: " . $Lang::tr{'invalid max lease time'} . $dhcpsettings{'MAX_LEASE_TIME_${itf}'};
 176                 goto ERROR;
 177             }
 178
 179             if ($dhcpsettings{"DNS1_${itf}"}) {
 180                 if (!(&General::validip($dhcpsettings{"DNS1_${itf}"}))) {
 181                         $errormessage = "DHCP on ${itf}: " . $Lang::tr{'invalid primary dns'};
 182                         goto ERROR;
 183                 }
 184             }
 185             if ($dhcpsettings{"DNS2_${itf}"}) {
 186                 if (!(&General::validip($dhcpsettings{"DNS2_${itf}"}))) {
 187                         $errormessage = "DHCP on ${itf}: " . $Lang::tr{'invalid secondary dns'};
 188                         goto ERROR;
 189                 }
 190                 if (! $dhcpsettings{"DNS1_${itf}"}) {
 191                         $errormessage = "DHCP on ${itf}: " . $Lang::tr{'cannot specify secondary dns without specifying primary'};
 192                         goto ERROR;
 193                 }
 194             }
 195
 196             if ($dhcpsettings{"WINS1_${itf}"}) {
 197                 if (!(&General::validip($dhcpsettings{"WINS1_${itf}"}))) {
 198                         $errormessage = "DHCP on ${itf}: " . $Lang::tr{'invalid wins address'};
 199                         goto ERROR;
 200                 }
 201             }
 202             if ($dhcpsettings{"WINS2_${itf}"}) {
 203                 if (!(&General::validip($dhcpsettings{"WINS2_${itf}"})))        {
 204                         $errormessage = "DHCP on ${itf}: " . $Lang::tr{'invalid wins address'};
 205                         goto ERROR;
 206                 }
 207                 if (! $dhcpsettings{"WINS1_${itf}"} ) {
 208                         $errormessage = "DHCP on ${itf}: " . $Lang::tr{'cannot specify secondary wins without specifying primary'};
 209                         goto ERROR;
 210                 }
 211             }
 212             if ($dhcpsettings{"NEXT_${itf}"}) {
 213                 if (!(&General::validip($dhcpsettings{"NEXT_${itf}"}))) {
 214                         $errormessage = "next-server on ${itf}: " . $Lang::tr{'invalid ip'};
 215                         goto ERROR;
 216                 }
 217             }
 218             if ($dhcpsettings{"NTP1_${itf}"}) {
 219                 if (!(&General::validip($dhcpsettings{"NTP1_${itf}"}))) {
 220                         $errormessage = "DHCP on ${itf}: " . $Lang::tr{'invalid primary ntp'};
 221                         goto ERROR;
 222                 }
 223                 if ($dhcpsettings{"NTP1_${itf}"} eq $netsettings{"${itf}_ADDRESS"} && ($timesettings{'ENABLECLNTP'} ne 'on')) {
 224                         $warnNTPmessage = "DHCP on ${itf}: " . $Lang::tr{'local ntp server specified but not enabled'};
 225                         #goto ERROR;
 226                 }
 227             }
 228             if ($dhcpsettings{"NTP2_${itf}"}) {
 229                 if (!(&General::validip($dhcpsettings{"NTP2_${itf}"}))) {
 230                         $errormessage = "DHCP on ${itf}: " . $Lang::tr{'invalid secondary ntp'};
 231                         goto ERROR;
 232                 }
 233                 if ($dhcpsettings{"NTP2_${itf}"} eq $netsettings{"${itf}_ADDRESS"} && ($timesettings{'ENABLECLNTP'} ne 'on')) {
 234                         $warnNTPmessage = "DHCP on ${itf}: " . $Lang::tr{'local ntp server specified but not enabled'};
 235                         #goto ERROR;
 236                 }
 237                 if (! $dhcpsettings{"NTP1_${itf}"}) {
 238                         $errormessage = "DHCP on ${itf}: " . $Lang::tr{'cannot specify secondary ntp without specifying primary'};
 239                         goto ERROR;
 240                 }
 241             }
 242         } # enabled
 243     }#loop interface verify
 244
 245     map (delete ($dhcpsettings{$_}) ,@nosaved,'ACTION','KEY1','KEY2');  # Must not be saved
 246     &General::writehash($setting, \%dhcpsettings);              # Save good settings
 247     $dhcpsettings{'ACTION'} = $Lang::tr{'save'};                # create an 'ACTION'
 248     map ($dhcpsettings{$_} = '',@nosaved,'KEY1','KEY2');        # and reinit vars to empty
 249     &buildconf;
 250     ERROR:                                                      # Leave the faulty field untouched
 251 } else {
 252     &General::readhash($setting, \%dhcpsettings);               # Get saved settings and reset to good if needed
 253 }
 254
 255 ## Sorting of fixed leases
 256 if ($ENV{'QUERY_STRING'} =~ /^FETHER|^FIPADDR/ ) {
 257     my $newsort=$ENV{'QUERY_STRING'};
 258     my $act=$dhcpsettings{'SORT_FLEASELIST'};
 259     #Reverse actual sort ?
 260     if ($act =~ $newsort) {
 261         my $Rev='';
 262         if ($act !~ 'Rev') {
 263             $Rev='Rev';
 264         }
 265         $newsort.=$Rev;
 266     }
 267     $dhcpsettings{'SORT_FLEASELIST'}=$newsort;
 268     map (delete ($dhcpsettings{$_}) ,@nosaved,'ACTION','KEY1','KEY2');  # Must never be saved
 269     &General::writehash($setting, \%dhcpsettings);
 270     &sortcurrent2;
 271     $dhcpsettings{'ACTION'} = 'SORT';                   # create an 'ACTION'
 272     map ($dhcpsettings{$_} = '',@nosaved,'KEY1','KEY2');# and reinit vars to empty
 273 }
 274
 275 #Sorting of allocated leases
 276 &Header::CheckSortOrder;
 277
 278
 279 ## Now manipulate the two multi-line list with Settings2.
 280 #  '1' suffix is for ADVANCED OPTIONS
 281 #  '2' suffix is for FIXED LEASES
 282
 283 # Toggle enable/disable field on specified options.
 284
 285 if ($dhcpsettings{'ACTION'} eq $Lang::tr{'toggle enable disable'}.'1') {
 286     #move out new line
 287     chomp(@current1[$dhcpsettings{'KEY1'}]);
 288     my @temp = split(/\t/,@current1[$dhcpsettings{'KEY1'}]);            #use TAB separator !
 289     $temp[0] = $temp[0] eq 'on' ? '' : 'on';    # Toggle the field
 290     @current1[$dhcpsettings{'KEY1'}] = join ("\t",@temp)."\n";
 291     $dhcpsettings{'KEY1'} = ''; # End edit mode
 292     &General::log($Lang::tr{'dhcp advopt modified'});
 293     open(FILE, ">$filename1") or die 'Unable to open dhcp advanced options file.';
 294     print FILE @current1;
 295     close(FILE);
 296
 297     #Write changes to dhcpd.conf.
 298     &buildconf;
 299 }
 300
 301
 302
 303 if ($dhcpsettings{'ACTION'} eq $Lang::tr{'add'}.'1' &&
 304         $dhcpsettings{'SUBMIT'} ne $Lang::tr{'dhcp advopt help'}) {
 305     $dhcpsettings{'ADVOPT_NAME'} =~ s/[^ \w-]//g;       # prevent execution of code by removing everything except letters/space
 306     $dhcpsettings{'ADVOPT_DATA'} =~ s/`//g;             # back tik ` ? not allowed !
 307
 308     if ($dhcpsettings{'ADVOPT_DATA'} eq '') {
 309         $errormessage=$Lang::tr{'dhcp advopt blank value'};
 310     }
 311
 312     # Test for a new option definition string (join field name & data)
 313     if (ExistNewOptionDefinition ($dhcpsettings{'ADVOPT_NAME'} . ' ' . $dhcpsettings{'ADVOPT_DATA'})) {
 314         #only edit permitted if option definition exists
 315         $errormessage = $Lang::tr{'dhcp advopt definition exists'} if ($dhcpsettings{'KEY1'} eq '');
 316         $dhcpsettings{'ADVOPT_ENABLED'} = 'on';                 # force active
 317         map ($dhcpsettings{"ADVOPT_SCOPE_$_"} = 'off', @ITFs);  # force global
 318     } elsif (AddNewOptionDefinition ($dhcpsettings{'ADVOPT_NAME'} . ' ' . $dhcpsettings{'ADVOPT_DATA'})) {
 319         #was a new option definition
 320         $dhcpsettings{'ADVOPT_ENABLED'} = 'on';                 # force active
 321         map ($dhcpsettings{"ADVOPT_SCOPE_$_"} = 'off', @ITFs);  # force global
 322     } elsif (ValidNewOption ($dhcpsettings{'ADVOPT_NAME'} . ' ' . $dhcpsettings{'ADVOPT_DATA'})) {
 323         #was a new option
 324     } elsif (! `grep "\$option $dhcpsettings{'ADVOPT_NAME'} " $filename3`) {
 325         $errormessage=$Lang::tr{'dhcp advopt unknown'}.': '.$dhcpsettings{'ADVOPT_NAME'};
 326     }
 327
 328     unless ($errormessage) {
 329
 330         my $scope = '';
 331         foreach my $itf (@ITFs) {  # buils "RED,GREEN,ORANGE,... based on selection
 332             $scope .= $dhcpsettings{"ADVOPT_SCOPE_${itf}"} eq 'on' ? "\t$itf" : "\toff" ;
 333         }
 334         if ($dhcpsettings{'KEY1'} eq '') { #add or edit ?  TAB separator !
 335             unshift (@current1, "$dhcpsettings{'ADVOPT_ENABLED'}\t$dhcpsettings{'ADVOPT_NAME'}\t$dhcpsettings{'ADVOPT_DATA'}$scope\n");
 336             &General::log($Lang::tr{'dhcp advopt added'});
 337         } else {
 338             @current1[$dhcpsettings{'KEY1'}] = "$dhcpsettings{'ADVOPT_ENABLED'}\t$dhcpsettings{'ADVOPT_NAME'}\t$dhcpsettings{'ADVOPT_DATA'}$scope\n";
 339             $dhcpsettings{'KEY1'} = '';       # End edit mode
 340             &General::log($Lang::tr{'dhcp advopt modified'});
 341         }
 342
 343         #Write changes to dhcpd.conf.
 344         &sortcurrent1;    # sort newly added/modified entry
 345         &buildconf;       # before calling buildconf which use fixed lease file !
 346     }
 347 }
 348
 349 if ($dhcpsettings{'ACTION'} eq $Lang::tr{'edit'}.'1') {
 350     #move out new line
 351     my $line = @current1[$dhcpsettings{'KEY1'}];
 352     chomp($line);
 353     my @temp = split(/\t/, $line);
 354     $dhcpsettings{'ADVOPT_ENABLED'}=$temp[0];
 355     $dhcpsettings{'ADVOPT_NAME'}=$temp[1];
 356     $dhcpsettings{'ADVOPT_DATA'}=$temp[2];
 357
 358     # read next fields which are the name (color) of an interface if this interface is scoped
 359     for (my $key=0; $key<@ITFs; $key++) {
 360         my $itf = $temp[3+$key];
 361         if ($itf ne 'off') # Only is an interface name is read
 362         {
 363             $dhcpsettings{"ADVOPT_SCOPE_${itf}"} = 'on';
 364         }
 365     }
 366 }
 367
 368 if ($dhcpsettings{'ACTION'} eq $Lang::tr{'remove'}.'1') {
 369     splice (@current1,$dhcpsettings{'KEY1'},1);
 370     open(FILE, ">$filename1") or die 'Unable to open dhcp advanced options file.';
 371     print FILE @current1;
 372     close(FILE);
 373     $dhcpsettings{'KEY1'} = '';                         # End remove mode
 374     &General::log($Lang::tr{'dhcp advopt removed'});
 375     #Write changes to dhcpd.conf.
 376     &buildconf;
 377 }
 378 #end KEY1
 379
 380
 381 # Toggle enable/disable field on specified lease.
 382 if ($dhcpsettings{'ACTION'} eq $Lang::tr{'toggle enable disable'}.'2') {
 383     #move out new line
 384     chomp(@current2[$dhcpsettings{'KEY2'}]);
 385     my @temp = split(/\,/,@current2[$dhcpsettings{'KEY2'}]);
 386     $temp[2] = $temp[2] eq 'on' ? '' : 'on';    # Toggle the field
 387     @current2[$dhcpsettings{'KEY2'}] = join (',',@temp)."\n";
 388     $dhcpsettings{'KEY2'} = ''; # End edit mode
 389     &General::log($Lang::tr{'fixed ip lease modified'});
 390     open(FILE, ">$filename2") or die 'Unable to open fixed leases file.';
 391     print FILE @current2;
 392     close(FILE);
 393
 394     #Write changes to dhcpd.conf.
 395     &buildconf;
 396 }
 397
 398 if ($dhcpsettings{'ACTION'} eq $Lang::tr{'add'}.'2') {
 399     $dhcpsettings{'FIX_MAC'} =~ tr/-/:/;
 400     unless(&General::validip($dhcpsettings{'FIX_ADDR'})) { $errormessage = $Lang::tr{'invalid fixed ip address'}; }
 401     unless(&General::validmac($dhcpsettings{'FIX_MAC'})) { $errormessage = $Lang::tr{'invalid fixed mac address'}; }
 402     if ($dhcpsettings{'FIX_NEXTADDR'}) {
 403         unless(&General::validip($dhcpsettings{'FIX_NEXTADDR'})) { $errormessage = $Lang::tr{'invalid fixed ip address'}; }
 404     }
 405
 406     my $key = 0;
 407     CHECK:foreach my $line (@current2) {
 408         my @temp = split(/\,/,$line);
 409         if($dhcpsettings{'KEY2'} ne $key) {
 410             # same MAC is OK on different subnets. This test is not complete because
 411             # if ip are not inside a known subnet, I don't warn.
 412             # Also it may be needed to put duplicate fixed lease in their right subnet definition..
 413             foreach my $itf (@ITFs) {
 414                 my $scoped = &General::IpInSubnet($dhcpsettings{'FIX_ADDR'},
 415                                                   $netsettings{"${itf}_NETADDRESS"},
 416                                                   $netsettings{"${itf}_NETMASK"}) &&
 417                                                   $dhcpsettings{"ENABLE_${itf}"} eq 'on';
 418                 if ( $scoped &&
 419                     (lc($dhcpsettings{'FIX_MAC'}) eq lc($temp[0])) &&
 420                     &General::IpInSubnet($temp[1],
 421                                          $netsettings{"${itf}_NETADDRESS"},
 422                                          $netsettings{"${itf}_NETMASK"})) {
 423                     $errormessage = "$Lang::tr{'mac address in use'} $dhcpsettings{'FIX_MAC'}";
 424                     last CHECK;
 425                 }
 426             }
 427         }
 428         $key++;
 429     }
 430
 431     unless ($errormessage) {
 432         $dhcpsettings{'FIX_REMARK'} = &Header::cleanhtml($dhcpsettings{'FIX_REMARK'});
 433         $dhcpsettings{'FIX_NEXTADDR'} = &Header::cleanhtml($dhcpsettings{'FIX_NEXTADDR'});
 434         $dhcpsettings{'FIX_FILENAME'} = &Header::cleanhtml($dhcpsettings{'FIX_FILENAME'});
 435         $dhcpsettings{'FIX_ROOTPATH'} = &Header::cleanhtml($dhcpsettings{'FIX_ROOTPATH'});
 436         if ($dhcpsettings{'KEY2'} eq '') { #add or edit ?
 437             unshift (@current2, "$dhcpsettings{'FIX_MAC'},$dhcpsettings{'FIX_ADDR'},$dhcpsettings{'FIX_ENABLED'},$dhcpsettings{'FIX_NEXTADDR'},$dhcpsettings{'FIX_FILENAME'},$dhcpsettings{'FIX_ROOTPATH'},$dhcpsettings{'FIX_REMARK'}\n");
 438             &General::log($Lang::tr{'fixed ip lease added'});
 439         } else {
 440             @current2[$dhcpsettings{'KEY2'}] = "$dhcpsettings{'FIX_MAC'},$dhcpsettings{'FIX_ADDR'},$dhcpsettings{'FIX_ENABLED'},$dhcpsettings{'FIX_NEXTADDR'},$dhcpsettings{'FIX_FILENAME'},$dhcpsettings{'FIX_ROOTPATH'},$dhcpsettings{'FIX_REMARK'}\n";
 441             $dhcpsettings{'KEY2'} = '';       # End edit mode
 442             &General::log($Lang::tr{'fixed ip lease modified'});
 443         }
 444
 445         #Write changes to dhcpd.conf.
 446         &sortcurrent2;    # sort newly added/modified entry
 447         &buildconf;       # before calling buildconf which use fixed lease file !
 448     }
 449 }
 450
 451 if ($dhcpsettings{'ACTION_ALL'} eq '+') {
 452     my $news = 0;
 453     foreach (keys %dhcpsettings) {
 454         if (/^(\d+\.\d+\.\d+\.\d+)-([0-9a-fA-F:]+)$/) {     # checked names are index of the line
 455             my $ip=$1;
 456             my $mac=$2;
 457             if (!grep (/$2/,@current2)) {
 458                 unshift (@current2, "$mac,$ip,on,,,,imported\n");
 459                 $news++;
 460             }
 461         }
 462     }
 463     if ($news) {
 464         #Write changes to dhcpd.conf.
 465         $warnNTPmessage = $Lang::tr{'fixed ip lease added'}."($news)";
 466         &General::log($warnNTPmessage);
 467         &sortcurrent2;    # sort newly added/modified entry
 468         &buildconf;       # before calling buildconf which use fixed lease file !
 469     }
 470 }
 471
 472 if ($dhcpsettings{'ACTION'} eq $Lang::tr{'edit'}.'2') {
 473     #move out new line
 474     my $line = @current2[$dhcpsettings{'KEY2'}];
 475     chomp($line);
 476     my @temp = split(/\,/, $line);
 477     $dhcpsettings{'FIX_MAC'}=$temp[0];
 478     $dhcpsettings{'FIX_ADDR'}=$temp[1];
 479     $dhcpsettings{'FIX_ENABLED'}=$temp[2];
 480     $dhcpsettings{'FIX_NEXTADDR'}=$temp[3];
 481     $dhcpsettings{'FIX_FILENAME'}=$temp[4];
 482     $dhcpsettings{'FIX_ROOTPATH'}=$temp[5];
 483     $dhcpsettings{'FIX_REMARK'}=$temp[6];
 484 }
 485
 486 if ($dhcpsettings{'ACTION'} eq $Lang::tr{'remove'}.'2') {
 487     splice (@current2,$dhcpsettings{'KEY2'},1);
 488     open(FILE, ">$filename2") or die 'Unable to open fixed lease file.';
 489     print FILE @current2;
 490     close(FILE);
 491     $dhcpsettings{'KEY2'} = '';                         # End remove mode
 492     &General::log($Lang::tr{'fixed ip lease removed'});
 493     #Write changes to dhcpd.conf.
 494     &buildconf;
 495 }
 496 #end KEY2 defined
 497
 498
 499
 500
 501 if ($dhcpsettings{'ACTION'} eq '' ) { # First launch from GUI
 502
 503     # Set default DHCP values only if blank and disabled
 504     foreach my $itf (@ITFs) {
 505         if ($dhcpsettings{"ENABLE_${itf}"} ne 'on' ) {
 506             $dhcpsettings{"DNS1_${itf}"} = $netsettings{"${itf}_ADDRESS"};
 507             $dhcpsettings{"DEFAULT_LEASE_TIME_${itf}"} = '60';
 508             $dhcpsettings{"MAX_LEASE_TIME_${itf}"} = '120';
 509             $dhcpsettings{"DOMAIN_NAME_${itf}"} = $mainsettings{'DOMAINNAME'};
 510         }
 511     }
 512     $dhcpsettings{'FIX_ENABLED'} = 'on';
 513 }
 514
 515 &Header::openpage($Lang::tr{'dhcp configuration'}, 1, '');
 516 &Header::openbigbox('100%', 'left', '', $errormessage);
 517
 518 if ($errormessage) {
 519     &Header::openbox('100%', 'left', $Lang::tr{'error messages'});
 520     print "<font class='base'>$errormessage&nbsp;</font>\n";
 521     &Header::closebox();
 522 }
 523 if ($warnNTPmessage) {
 524     $warnNTPmessage = "<font color=${Header::colourred}><b>$Lang::tr{'capswarning'}</b></font>: $warnNTPmessage";
 525 }
 526
 527 &Header::openbox('100%', 'left', 'DHCP');
 528 print "<form method='post' action='$ENV{'SCRIPT_NAME'}'>";
 529
 530 foreach my $itf (@ITFs) {
 531     my %checked=();
 532     $checked{'ENABLE'}{'on'} = ( $dhcpsettings{"ENABLE_${itf}"} ne 'on') ? '' : "checked='checked'";
 533     $checked{'ENABLEBOOTP'}{'on'} = ( $dhcpsettings{"ENABLEBOOTP_${itf}"} ne 'on') ? '' : "checked='checked'";
 534
 535     if ($netsettings{"${itf}_DEV"} ne '' ) { # Show only defined interface
 536         my $lc_itf=lc($itf);
 537 print <<END
 538 <table width='100%'>
 539 <tr>
 540     <td width='25%' class='boldbase'><b><font color='${lc_itf}'>$Lang::tr{"$lc_itf interface"}</font></b></td>
 541     <td class='base'>$Lang::tr{'enabled'}
 542     <input type='checkbox' name='ENABLE_${itf}' $checked{'ENABLE'}{'on'} /></td>
 543     <td width='25%' class='base'>$Lang::tr{'ip address'}<br />$Lang::tr{'netmask'}:</td><td><b>$netsettings{"${itf}_ADDRESS"}<br />$netsettings{"${itf}_NETMASK"}</b></td>
 544 </tr><tr>
 545     <td width='25%' class='base'>$Lang::tr{'start address'}&nbsp;<img src='/blob.gif' alt='*' /></td>
 546     <td width='25%'><input type='text' name='START_ADDR_${itf}' value='$dhcpsettings{"START_ADDR_${itf}"}' /></td>
 547     <td width='25%' class='base'>$Lang::tr{'end address'}&nbsp;<img src='/blob.gif' alt='*' /></td>
 548     <td width='25%'><input type='text' name='END_ADDR_${itf}' value='$dhcpsettings{"END_ADDR_${itf}"}' /></td>
 549 </tr><tr>
 550     <td class='base'>$Lang::tr{'default lease time'}</td>
 551     <td><input type='text' name='DEFAULT_LEASE_TIME_${itf}' value='$dhcpsettings{"DEFAULT_LEASE_TIME_${itf}"}' /></td>
 552     <td class='base'>$Lang::tr{'max lease time'}</td>
 553     <td><input type='text' name='MAX_LEASE_TIME_${itf}' value='$dhcpsettings{"MAX_LEASE_TIME_${itf}"}' /></td>
 554 </tr><tr>
 555     <td class='base'>$Lang::tr{'domain name suffix'}&nbsp;<img src='/blob.gif' alt='*' /></td>
 556     <td><input type='text' name='DOMAIN_NAME_${itf}' value='$dhcpsettings{"DOMAIN_NAME_${itf}"}' /></td>
 557     <td>$Lang::tr{'dhcp allow bootp'}:</td>
 558     <td><input type='checkbox' name='ENABLEBOOTP_${itf}' $checked{'ENABLEBOOTP'}{'on'} /></td>
 559 </tr><tr>
 560     <td class='base'>$Lang::tr{'primary dns'}</td>
 561     <td><input type='text' name='DNS1_${itf}' value='$dhcpsettings{"DNS1_${itf}"}' /></td>
 562     <td class='base'>$Lang::tr{'secondary dns'}&nbsp;<img src='/blob.gif' alt='*' /></td>
 563     <td><input type='text' name='DNS2_${itf}' value='$dhcpsettings{"DNS2_${itf}"}' /></td>
 564 </tr><tr>
 565     <td class='base'>$Lang::tr{'primary ntp server'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
 566     <td><input type='text' name='NTP1_${itf}' value='$dhcpsettings{"NTP1_${itf}"}' /></td>
 567     <td class='base'>$Lang::tr{'secondary ntp server'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
 568     <td><input type='text' name='NTP2_${itf}' value='$dhcpsettings{"NTP2_${itf}"}' /></td>
 569 </tr><tr>
 570     <td class='base'>$Lang::tr{'primary wins server address'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
 571     <td><input type='text' name='WINS1_${itf}' value='$dhcpsettings{"WINS1_${itf}"}' /></td>
 572     <td class='base'>$Lang::tr{'secondary wins server address'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
 573     <td><input type='text' name='WINS2_${itf}' value='$dhcpsettings{"WINS2_${itf}"}' /></td>
 574 </tr><tr>
 575     <td class='base'>next-server:&nbsp;<img src='/blob.gif' alt='*' /></td>
 576     <td><input type='text' name='NEXT_${itf}' value='$dhcpsettings{"NEXT_${itf}"}' /></td>
 577     <td class='base'>filename:&nbsp;<img src='/blob.gif' alt='*' /></td>
 578     <td><input type='text' name='FILE_${itf}' value='$dhcpsettings{"FILE_${itf}"}' /></td>
 579 </tr>
 580 </table>
 581 <hr />
 582 END
 583 ;
 584     }# Show only defined interface
 585 }#foreach itf
 586 print <<END
 587 <table width='100%'>
 588 <tr>
 589     <td class='base' width='25%'><img src='/blob.gif' align='top' alt='*' />&nbsp;$Lang::tr{'this field may be blank'}</td>
 590     <td class='base' width='30%'>$warnNTPmessage</td>
 591     <td width='40%' align='center'><input type='submit' name='ACTION' value='$Lang::tr{'save'}' /></td>
 592     <td width='5%' align='right'>&nbsp;</td>
 593 </tr>
 594 </table>
 595 </form>
 596 END
 597 ;
 598
 599 &Header::closebox();
 600
 601 &Header::openbox('100%', 'left', $Lang::tr{'dhcp advopt list'});
 602 # DHCP Advanced options settings
 603 my %checked=();
 604 $checked{'ADVOPT_ENABLED'}{'on'} = ($dhcpsettings{'ADVOPT_ENABLED'} ne 'on') ? '' : "checked='checked'";
 605
 606 print "<form method='post' action='$ENV{'SCRIPT_NAME'}'><table width='100%'>";
 607 my $buttontext = $Lang::tr{'add'};
 608 if ($dhcpsettings{'KEY1'} ne '') {
 609     $buttontext = $Lang::tr{'update'};
 610     print "<tr><td class='boldbase'><b>$Lang::tr{'dhcp advopt edit'}</b></td></tr>";
 611 } else {
 612     print "<tr><td class='boldbase'><b>$Lang::tr{'dhcp advopt add'}</b></td></tr>"
 613 }
 614
 615 #search if the 'option' is in the list and print the syntax model
 616 my $opt = `grep "\$option $dhcpsettings{'ADVOPT_NAME'} " $filename3`;
 617 if ($opt ne '') {
 618    $opt =~ s/option $dhcpsettings{'ADVOPT_NAME'}/Syntax:/;  # "option xyz abc" => "syntax: abc"
 619    $opt =~ s/;//;
 620    $opt = "<tr><td></td><td></td><td colspan='2'>$opt</td></tr>";
 621 }
 622 print <<END
 623 <tr>
 624     <td class='base'>$Lang::tr{'dhcp advopt name'}:</td>
 625     <td><input type='text' name='ADVOPT_NAME' value='$dhcpsettings{'ADVOPT_NAME'}' size='18' /></td>
 626     <td class='base'>$Lang::tr{'dhcp advopt value'}:</td>
 627     <td><input type='text' name='ADVOPT_DATA' value='$dhcpsettings{'ADVOPT_DATA'}' size='40' /></td>
 628 </tr>$opt<tr>
 629     <td class='base'>$Lang::tr{'enabled'}</td><td><input type='checkbox' name='ADVOPT_ENABLED' $checked{'ADVOPT_ENABLED'}{'on'} /></td>
 630     <td class='base'>$Lang::tr{'dhcp advopt scope'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
 631     <td>
 632 END
 633 ;
 634
 635 # Put a checkbox for each interface. Checkbox visible disabled if interface is disabled
 636 foreach my $itf (@ITFs) {
 637     my $lc_itf=lc($itf);
 638     $checked{'ADVOPT_SCOPE_${itf}'}{'on'} = $dhcpsettings{"ADVOPT_SCOPE_${itf}"} ne 'on' ? '' : "checked='checked'";
 639     print "$Lang::tr{\"${lc_itf}\"} <input type='checkbox' name='ADVOPT_SCOPE_${itf}' $checked{'ADVOPT_SCOPE_${itf}'}{'on'} ";
 640     print $dhcpsettings{"ENABLE_${itf}"} eq 'on' ? "/>" : "disabled='disabled' />";
 641     print "&nbsp; &nbsp;";
 642 }
 643
 644 print <<END
 645     </td>
 646 </tr>
 647 </table>
 648 <hr />
 649 <table width='100%'>
 650 <tr>
 651     <td class='base' width='50%'><img src='/blob.gif' align='top' alt='*' />&nbsp;$Lang::tr{'dhcp advopt scope help'}</td>
 652     <td width='50%' align='center'>
 653     <input type='hidden' name='ACTION' value='$Lang::tr{'add'}1' />
 654     <input type='submit' name='SUBMIT' value='$buttontext' />
 655     <input type='submit' name='SUBMIT' value='$Lang::tr{'dhcp advopt help'}' />
 656     <input type='hidden' name='KEY1' value='$dhcpsettings{'KEY1'}' />
 657     </td>
 658 </tr>
 659 </table>
 660 </form>
 661 END
 662 ;
 663 #Edited line number (KEY1) passed until cleared by 'save' or 'remove' or 'new sort order'
 664
 665 # print help taken from the file describing options
 666 if ($dhcpsettings{'SUBMIT'} eq $Lang::tr{'dhcp advopt help'}) {
 667     print "<hr />";
 668     print "<table width='100%'>";
 669     print "<tr><td width='30%'><b>$Lang::tr{'dhcp advopt name'}</b></td><td width='70%'><b>$Lang::tr{'dhcp advopt value'}</b></td>";
 670     open(FILE, "$filename3");
 671     my @current3 = <FILE>;
 672     close(FILE);
 673     foreach my $line (@current3) {
 674         $line =~ /option ([a-z0-9-]+) (.*);/;
 675         print "<tr><td>$1</td><td>$2</td></tr>\n";
 676     }
 677     print "<tr><td colspan='2'><hr /></td></tr>\n";
 678     print '<tr><td>string type</td><td>"quoted string" or 00:01:FF...</td></tr>';
 679     print '<tr><td>ip-address type </td><td>10.0.0.1 | www.dot.com</td></tr>';
 680     print '<tr><td>int,uint types</td><td>numbers</td></tr>';
 681     print '<tr><td>flag type</td><td>on | off</td></tr>';
 682     print '</table>';
 683     print "<hr />";
 684     print "<table width='100%'>";
 685     print "<tr><td width='30%'><b>$Lang::tr{'dhcp advopt custom definition'}</b></td><td width='70%'><b>$Lang::tr{'dhcp advopt value'}</b></td>";
 686     print "<tr><td>any-name </td><td> code NNN=$OptionTypes</td></tr>";
 687     print '<tr><td>a-string</td><td>code 100=string</td></tr>';
 688     print '<tr><td>a-number</td><td>code 101=signed integer 8</td></tr>';
 689     print '<tr><td>wpad</td><td>code 252=text</td></tr>';
 690     print '<tr><td>wpad</td><td>"http://www.server.fr/path-to/proxy.pac"</td></tr>';
 691     print '</table>';
 692
 693 }
 694
 695 print <<END
 696 <hr />
 697 <table width='100%'>
 698 <tr>
 699     <td width='30%' class='boldbase' align='center'><b>$Lang::tr{'dhcp advopt name'}</b></td>
 700     <td width='50%' class='boldbase' align='center'><b>$Lang::tr{'dhcp advopt value'}</b></td>
 701     <td width='20%' class='boldbase' align='center'><b>$Lang::tr{'dhcp advopt scope'}</b></td>
 702     <td colspan='3' class='boldbase' align='center'><b>$Lang::tr{'action'}</b></td>
 703 </tr>
 704 END
 705 ;
 706 my $key = 0;
 707 foreach my $line (@current1) {
 708     my $gif = '';
 709     my $gdesc = '';
 710     chomp($line);   # remove newline
 711     my @temp = split(/\t/,$line);
 712
 713     if ($temp[0] eq "on") {
 714         $gif = 'on.gif';
 715         $gdesc = $Lang::tr{'click to disable'};
 716     } else {
 717         $gif = 'off.gif';
 718         $gdesc = $Lang::tr{'click to enable'};
 719     }
 720
 721     if ($dhcpsettings{'KEY1'} eq $key) {
 722         print "<tr bgcolor='${Header::colouryellow}'>";
 723     } elsif ($key % 2) {
 724         print "<tr bgcolor='${Header::table2colour}'>";
 725     } else {
 726         print "<tr bgcolor='${Header::table1colour}'>";
 727     }
 728
 729     print <<END
 730 <td align='center'>$temp[1]</td>
 731 <td align='center'>$temp[2]</td>
 732 <td align='center'>
 733 END
 734 ;
 735     # Prepare a global flag to make easy reading
 736     my $global = '';
 737     my $disabledTogle = '';
 738     my $disabledEditRemove = '';
 739     if ( ExistNewOptionDefinition ($temp[1] . ' ' . $temp[2]) ) {
 740         $global = $Lang::tr{'dhcp advopt definition'};
 741         $disabledTogle = "disabled='disabled'";
 742         # Search if it is a used NewOptionDefinition to also disable edit & delete
 743         $disabledEditRemove = "disabled='disabled'" if (IsUsedNewOptionDefinition ($temp[1], $temp[2]));
 744     } else {
 745         $global = $Lang::tr{'dhcp advopt scope global'};
 746     }
 747
 748
 749     # Print each checked interface
 750     for (my $key=0; $key<@ITFs; $key++) {
 751         my $itf = $temp[3+$key];
 752         if ($itf ne 'off') {    # Only if an interface name is read
 753             print "$itf";
 754             $global='';         # fall to local scope !
 755         }
 756     }
 757     print <<END
 758 $global</td>
 759 <td align='center'>
 760 <form method='post' action='$ENV{'SCRIPT_NAME'}'>
 761 <input type='hidden' name='ACTION' value='$Lang::tr{'toggle enable disable'}1' />
 762 <input $disabledTogle type='image' name='$Lang::tr{'toggle enable disable'}' src='/images/$gif' alt='$gdesc' title='$gdesc' />
 763 <input type='hidden' name='KEY1' value='$key' />
 764 </form>
 765 </td>
 766
 767 <td align='center'>
 768 <form method='post' action='$ENV{'SCRIPT_NAME'}'>
 769 <input type='hidden' name='ACTION' value='$Lang::tr{'edit'}1' />
 770 <input $disabledEditRemove type='image' name='$Lang::tr{'edit'}' src='/images/edit.gif' alt='$Lang::tr{'edit'}' title='$Lang::tr{'edit'}' />
 771 <input type='hidden' name='KEY1' value='$key' />
 772 </form>
 773 </td>
 774
 775 <td align='center'>
 776 <form method='post' action='$ENV{'SCRIPT_NAME'}'>
 777 <input type='hidden' name='ACTION' value='$Lang::tr{'remove'}1' />
 778 <input $disabledEditRemove type='image' name='$Lang::tr{'remove'}' src='/images/delete.gif' alt='$Lang::tr{'remove'}' title='$Lang::tr{'remove'}' />
 779 <input type='hidden' name='KEY1' value='$key' />
 780 </form>
 781 </td>
 782 </tr>
 783 END
 784 ;
 785     $key++;
 786 }
 787
 788 print "</table>";
 789
 790 # If there are dhcp options, print Key to action icons
 791 if ($key) {
 792 print <<END
 793 <table>
 794 <tr>
 795         <td class='boldbase'>&nbsp;<b>$Lang::tr{'legend'}:&nbsp;</b></td>
 796         <td><img src='/images/on.gif' alt='$Lang::tr{'click to disable'}' /></td>
 797         <td class='base'>$Lang::tr{'click to disable'}</td>
 798         <td>&nbsp;&nbsp;</td>
 799         <td><img src='/images/off.gif' alt='$Lang::tr{'click to enable'}' /></td>
 800         <td class='base'>$Lang::tr{'click to enable'}</td>
 801         <td>&nbsp;&nbsp;</td>
 802         <td><img src='/images/edit.gif' alt='$Lang::tr{'edit'}' /></td>
 803         <td class='base'>$Lang::tr{'edit'}</td>
 804         <td>&nbsp;&nbsp;</td>
 805         <td><img src='/images/delete.gif' alt='$Lang::tr{'remove'}' /></td>
 806         <td class='base'>$Lang::tr{'remove'}</td>
 807 </tr>
 808 </table>
 809 END
 810 ;
 811 }
 812 &Header::closebox();
 813
 814 &Header::openbox('100%', 'left', $Lang::tr{'current fixed leases'});
 815 # Fixed leases screens
 816 $checked{'FIX_ENABLED'}{'on'} = ($dhcpsettings{'FIX_ENABLED'} ne 'on') ? '' : "checked='checked'";
 817
 818 $buttontext = $Lang::tr{'add'};
 819 print "<form method='post' action='$ENV{'SCRIPT_NAME'}'><table width='100%'>";
 820
 821 if ($dhcpsettings{'KEY2'} ne '') {
 822     $buttontext = $Lang::tr{'update'};
 823     print "<tr><td class='boldbase' colspan='3'><b>$Lang::tr{'edit an existing lease'}</b></td></tr>";
 824 } else {
 825     print "<tr><td class='boldbase' colspan='3'><b>$Lang::tr{'add new lease'}</b></td></tr>"
 826 }
 827 print <<END
 828 <tr>
 829     <td class='base'>$Lang::tr{'mac address'}:</td>
 830     <td><input type='text' name='FIX_MAC' value='$dhcpsettings{'FIX_MAC'}' size='18' /></td>
 831     <td class='base'>$Lang::tr{'ip address'}:</td>
 832     <td><input type='text' name='FIX_ADDR' value='$dhcpsettings{'FIX_ADDR'}' size='18' /></td>
 833     <td class='base'>$Lang::tr{'remark'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
 834     <td><input type='text' name='FIX_REMARK' value='$dhcpsettings{'FIX_REMARK'}' size='18' /></td>
 835 </tr><tr>
 836     <td class='base'>$Lang::tr{'enabled'}</td><td><input type='checkbox' name='FIX_ENABLED' $checked{'FIX_ENABLED'}{'on'} /></td>
 837 </tr><tr>
 838     <td colspan = '3'><b>$Lang::tr{'dhcp bootp pxe data'}</b></td>
 839 </tr><tr>
 840     <td class='base'>next-server:&nbsp;<img src='/blob.gif' alt='*' /></td>
 841     <td><input type='text' name='FIX_NEXTADDR' value='$dhcpsettings{'FIX_NEXTADDR'}' size='18' /></td>
 842     <td class='base'>filename:&nbsp;<img src='/blob.gif' alt='*' /></td>
 843     <td><input type='text' name='FIX_FILENAME' value='$dhcpsettings{'FIX_FILENAME'}' size='18' /></td>
 844     <td class='base'>root path:&nbsp;<img src='/blob.gif' alt='*' /></td>
 845     <td><input type='text' name='FIX_ROOTPATH' value='$dhcpsettings{'FIX_ROOTPATH'}' size='18' /></td>
 846 </tr>
 847 </table>
 848 <hr />
 849 <table width='100%'>
 850 <tr>
 851     <td class='base' width='50%'><img src='/blob.gif' align='top' alt='*' />&nbsp;$Lang::tr{'this field may be blank'}</td>
 852     <td width='50%' align='center'>
 853         <input type='hidden' name='ACTION' value='$Lang::tr{'add'}2' />
 854         <input type='submit' name='SUBMIT' value='$buttontext' />
 855         <input type='hidden' name='KEY2' value='$dhcpsettings{'KEY2'}' /></td>
 856 </tr>
 857 </table>
 858 </form>
 859 END
 860 ;
 861 #Edited line number (KEY2) passed until cleared by 'save' or 'remove' or 'new sort order'
 862
 863 print <<END
 864 <hr />
 865 <table width='100%'>
 866 <tr>
 867     <td width='20%' align='center'><a href='$ENV{'SCRIPT_NAME'}?FETHER'><b>$Lang::tr{'mac address'}</b></a></td>
 868     <td width='20%' align='center'><a href='$ENV{'SCRIPT_NAME'}?FIPADDR'><b>$Lang::tr{'ip address'}</b></a></td>
 869     <td width='15%' align='center'><b>$Lang::tr{'remark'}</b></td>
 870     <td width='15%' class='boldbase' align='center'><b>next-server</b></td>
 871     <td width='15%' class='boldbase' align='center'><b>filename</b></td>
 872     <td width='15%' class='boldbase' align='center'><b>root path</b></td>
 873     <td colspan='3' class='boldbase' align='center'><b>$Lang::tr{'action'}</b></td>
 874 </tr>
 875 END
 876 ;
 877 my $ipdup = 0;
 878 my %ipinuse = ();
 879 my %macdupl = (); # Duplicate MACs have to be on different subnets
 880 my %ipoutside = ();
 881
 882 # mark duplicate ip or duplicate MAC
 883 foreach my $line (@current2) {
 884     my @temp = split(/\,/,$line);
 885     $macdupl{$temp[0]} += 1;
 886     if ($macdupl{$temp[0]} > 1) {
 887         $ipdup = 1;     # Flag up duplicates for use later
 888     }
 889     $ipinuse{$temp[1]} += 1;
 890     if ($ipinuse{$temp[1]} > 1) {
 891         $ipdup = 1;     # Flag up duplicates for use later
 892     }
 893     # Mark IP addresses outwith known subnets
 894     $ipoutside{$temp[1]} = 1;
 895     foreach my $itf (@ITFs) {
 896         if ( &General::IpInSubnet($temp[1],
 897                 $netsettings{"${itf}_NETADDRESS"},
 898                 $netsettings{"${itf}_NETMASK"})) {
 899             $ipoutside{$temp[1]} = 0;
 900         }
 901     }
 902 }
 903
 904 $key = 0;
 905 foreach my $line (@current2) {
 906     my $gif = '';
 907     my $gdesc = '';
 908     chomp($line);   # remove newline
 909     my @temp = split(/\,/,$line);
 910
 911     if ($temp[2] eq "on") {
 912         $gif = 'on.gif';
 913         $gdesc = $Lang::tr{'click to disable'};
 914     } else {
 915         $gif = 'off.gif';
 916         $gdesc = $Lang::tr{'click to enable'};
 917     }
 918
 919     if ($dhcpsettings{'KEY2'} eq $key) {
 920         print "<tr bgcolor='${Header::colouryellow}'>";
 921     } elsif ($key % 2) {
 922         print "<tr bgcolor='${Header::table2colour}'>";
 923     } else {
 924         print "<tr bgcolor='${Header::table1colour}'>";
 925     }
 926     my $TAG0 = '';
 927     my $TAG1 = '';
 928     my $TAG2 = '';
 929     my $TAG3 = '';
 930     my $TAG4 = '';
 931     if ($ipinuse{$temp[1]} > 1) {
 932         $TAG0 = '<b>';
 933         $TAG1 = '</b>';
 934     }
 935     if ($macdupl{$temp[0]} > 1) {
 936         $TAG2 = '<b>';
 937         $TAG3 = '</b>';
 938     }
 939     if ($ipoutside{$temp[1]} > 0) {
 940         $TAG4 = "bgcolor='orange'" if ($dhcpsettings{'KEY2'} ne $key);
 941     }
 942
 943     print <<END
 944 <td align='center'>$TAG2$temp[0]$TAG3</td>
 945 <td align='center' $TAG4>$TAG0$temp[1]$TAG1</td>
 946 <td align='center'>$temp[6]&nbsp;</td>
 947 <td align='center'>$temp[3]&nbsp;</td>
 948 <td align='center'>$temp[4]&nbsp;</td>
 949 <td align='center'>$temp[5]&nbsp;</td>
 950
 951 <td align='center'>
 952 <form method='post' action='$ENV{'SCRIPT_NAME'}'>
 953 <input type='hidden' name='ACTION' value='$Lang::tr{'toggle enable disable'}2' />
 954 <input type='image' name='$Lang::tr{'toggle enable disable'}' src='/images/$gif' alt='$gdesc' title='$gdesc' />
 955 <input type='hidden' name='KEY2' value='$key' />
 956 </form>
 957 </td>
 958
 959 <td align='center'>
 960 <form method='post' action='$ENV{'SCRIPT_NAME'}'>
 961 <input type='hidden' name='ACTION' value='$Lang::tr{'edit'}2' />
 962 <input type='image' name='$Lang::tr{'edit'}' src='/images/edit.gif' alt='$Lang::tr{'edit'}' title='$Lang::tr{'edit'}' />
 963 <input type='hidden' name='KEY2' value='$key' />
 964 </form>
 965 </td>
 966
 967 <td align='center'>
 968 <form method='post' action='$ENV{'SCRIPT_NAME'}'>
 969 <input type='hidden' name='ACTION' value='$Lang::tr{'remove'}2' />
 970 <input type='image' name='$Lang::tr{'remove'}' src='/images/delete.gif' alt='$Lang::tr{'remove'}' title='$Lang::tr{'remove'}' />
 971 <input type='hidden' name='KEY2' value='$key' />
 972 </form>
 973 </td>
 974 </tr>
 975 END
 976 ;
 977     $key++;
 978 }
 979 print "</table>";
 980
 981 # If the fixed lease file contains entries, print Key to action icons
 982 if ($key) {
 983 my $dup = $ipdup ? "<td class='base'>$Lang::tr{'duplicate ip bold'}</td>" :'';
 984 print <<END
 985 <table>
 986 <tr>
 987         <td class='boldbase'>&nbsp;<b>$Lang::tr{'legend'}:&nbsp;</b></td>
 988         <td><img src='/images/on.gif' alt='$Lang::tr{'click to disable'}' /></td>
 989         <td class='base'>$Lang::tr{'click to disable'}</td>
 990         <td>&nbsp;&nbsp;</td>
 991         <td><img src='/images/off.gif' alt='$Lang::tr{'click to enable'}' /></td>
 992         <td class='base'>$Lang::tr{'click to enable'}</td>
 993         <td>&nbsp;&nbsp;</td>
 994         <td><img src='/images/edit.gif' alt='$Lang::tr{'edit'}' /></td>
 995         <td class='base'>$Lang::tr{'edit'}</td>
 996         <td>&nbsp;&nbsp;</td>
 997         <td><img src='/images/delete.gif' alt='$Lang::tr{'remove'}' /></td>
 998         <td class='base'>$Lang::tr{'remove'}</td>
 999 </tr>
1000 <tr>
1001         <td>&nbsp;</td>
1002         <td bgcolor='orange'>&nbsp;</td>
1003         <td class='base'>$Lang::tr{'ip address outside subnets'}</td>
1004         <td>&nbsp;</td>
1005         <td>&nbsp;</td>
1006         $dup
1007 </tr>
1008 </table>
1009 END
1010 ;
1011 }
1012
1013 &Header::closebox();
1014
1015 &Header::openbox('100%', 'left', $Lang::tr{'arp table entries'});
1016 my @ip = qx(/sbin/ip neigh show | awk '{print \$1}');
1017 my @mac = qx(/sbin/ip neigh show | awk '{print \$5}');
1018
1019 print <<END
1020 <hr />
1021 <table width='100%'>
1022 <tr>
1023 <td width='40%'><b>$Lang::tr{'ip address'}</b></td><td width='40%'><b>$Lang::tr{'mac address'}</b></td><td width='20%'>Optionen</td>
1024 </tr>
1025 END
1026 ;
1027 my $i=0;
1028
1029 foreach my $ip(@ip)
1030 {
1031  print"<tr><form method='post' action='$ENV{'SCRIPT_NAME'}'><td><input type='hidden' name='FIX_ADDR' value='$ip' />$ip</td>";
1032  print"<td><input type='hidden' name='FIX_MAC' value='@mac[$i]' />@mac[$i]</td>";
1033  print"<td><input type='hidden' name='ACTION' value='$Lang::tr{'add'}2' /><input type='submit' name='SUBMIT' value='$buttontext' /></td></form></tr>";
1034 }
1035
1036
1037 print"</table>";
1038
1039 &Header::closebox();
1040
1041
1042 foreach my $itf (@ITFs) {
1043     if ($dhcpsettings{"ENABLE_${itf}"} eq 'on') {
1044         # display leases with a list of actions to do with the global select checkbox.
1045         &Header::PrintActualLeases("+");        # "+" => create fixed leases from nodeaddress
1046         last;                   #Print one time only for all interfaces
1047     };
1048 }
1049
1050 &Header::closebigbox();
1051 &Header::closepage();
1052
1053 ## Ouf it's the end !
1054
1055 sub sortcurrent1  # by now, do not sort, just write
1056 {
1057     open(FILE, ">$filename1") or die 'Unable to open dhcp advanced options file.';
1058     print FILE @current1;
1059     close(FILE);
1060 }
1061
1062
1063 # Sort the "current2" array according to choices
1064 sub sortcurrent2
1065 {
1066     our %entries = ();
1067
1068     sub fixedleasesort {
1069         my $qs='';
1070         if (rindex ($dhcpsettings{'SORT_FLEASELIST'},'Rev') != -1) {
1071             $qs=substr ($dhcpsettings{'SORT_FLEASELIST'},0,length($dhcpsettings{'SORT_FLEASELIST'})-3);
1072             if ($qs eq 'FIPADDR') {
1073                 my @a = split(/\./,$entries{$a}->{$qs});
1074                 my @b = split(/\./,$entries{$b}->{$qs});
1075                 ($b[0]<=>$a[0]) ||
1076                 ($b[1]<=>$a[1]) ||
1077                 ($b[2]<=>$a[2]) ||
1078                 ($b[3]<=>$a[3]);
1079             } else {
1080                 $entries{$b}->{$qs} cmp $entries{$a}->{$qs};
1081             }
1082         } else { #not reverse
1083             $qs=$dhcpsettings{'SORT_FLEASELIST'};
1084             if ($qs eq 'FIPADDR') {
1085                 my @a = split(/\./,$entries{$a}->{$qs});
1086                 my @b = split(/\./,$entries{$b}->{$qs});
1087                 ($a[0]<=>$b[0]) ||
1088                 ($a[1]<=>$b[1]) ||
1089                 ($a[2]<=>$b[2]) ||
1090                 ($a[3]<=>$b[3]);
1091             } else {
1092                 $entries{$a}->{$qs} cmp $entries{$b}->{$qs};
1093             }
1094         }
1095     }
1096
1097     #Use an associative array (%entries)
1098     foreach my $line (@current2) {
1099         chomp( $line); #remove newline because can be on field 5 or 6 (addition of REMARK)
1100         my @temp = split (',',$line);
1101         my @record = ('FETHER',$temp[0],'FIPADDR',$temp[1],'DATA',join(',',@temp[2..6]));
1102         my $record = {};                        # create a reference to empty hash
1103         %{$record} = @record;                   # populate that hash with @record
1104         # use combination of ether & IP as key to allow duplicates in either but not both
1105         $entries{$record->{FETHER} . $record->{FIPADDR}} = $record; # add this to a hash of hashes
1106     }
1107
1108     open(FILE, ">$filename2") or die 'Unable to open fixed lease file.';
1109     foreach my $entry ( sort fixedleasesort keys %entries) {
1110         print FILE "$entries{$entry}->{FETHER},$entries{$entry}->{FIPADDR},$entries{$entry}->{DATA}\n";
1111     }
1112     close(FILE);
1113
1114     # Reload sorted  @current2
1115     open (FILE, "$filename2");
1116     @current2 = <FILE>;
1117     close (FILE);
1118     undef (%entries);  #This array is reused latter. Clear it.
1119 }
1120
1121 # Build the configuration file mixing  settings, fixed leases and advanced options
1122 sub buildconf {
1123     open(FILE, ">/${General::swroot}/dhcp/dhcpd.conf") or die "Unable to write dhcpd.conf file";
1124     flock(FILE, 2);
1125
1126     # Global settings
1127     print FILE "ddns-update-style none;\n";
1128     print FILE "deny bootp;     #default\n";
1129     print FILE "authoritative;\n";
1130
1131     # Write first new option definition
1132     foreach my $line (@current1) {
1133         chomp($line);   # remove newline
1134         my @temp = split(/\t/,$line);
1135         if (ExistNewOptionDefinition ($temp[1] . ' ' . $temp[2])) {
1136                 print FILE "option $temp[1] $temp[2];\n";
1137         }
1138     }
1139     # Write other global options
1140     foreach my $line (@current1) {
1141         chomp($line);   # remove newline
1142         my @temp = split(/\t/,$line);
1143
1144         if ($temp[0] eq 'on' && !ExistNewOptionDefinition ($temp[1] . ' ' . $temp[2])){ # active & !definition
1145             my $global=1;
1146             for (my $key=0; $key<@ITFs; $key++) {
1147                 my $itf = $temp[3+$key];
1148                 if ($itf ne 'off') # Only if an interface name is read
1149                 {
1150                     $global=0;
1151                 }
1152             }
1153             if ($global) {
1154                 print FILE "option $temp[1] $temp[2];\n";
1155             }
1156         }# on
1157     }# foreach line
1158
1159     #Subnet range definition
1160     foreach my $itf (@ITFs) {
1161         my $lc_itf=lc($itf);
1162         if ($dhcpsettings{"ENABLE_${itf}"} eq 'on' ){
1163             print FILE "\nsubnet " . $netsettings{"${itf}_NETADDRESS"} . " netmask ". $netsettings{"${itf}_NETMASK"} . " #$itf\n";
1164             print FILE "{\n";
1165             print FILE "\trange " . $dhcpsettings{"START_ADDR_${itf}"} . ' ' . $dhcpsettings{"END_ADDR_${itf}"}.";\n" if ($dhcpsettings{"START_ADDR_${itf}"});
1166             print FILE "\toption subnet-mask "   . $netsettings{"${itf}_NETMASK"} . ";\n";
1167             print FILE "\toption domain-name \"" . $dhcpsettings{"DOMAIN_NAME_${itf}"} . "\";\n";
1168             print FILE "\toption routers " . $netsettings{"${itf}_ADDRESS"} . ";\n";
1169             print FILE "\toption domain-name-servers " . $dhcpsettings{"DNS1_${itf}"}  if ($dhcpsettings{"DNS1_${itf}"});
1170             print FILE ", " . $dhcpsettings{"DNS2_${itf}"}                             if ($dhcpsettings{"DNS2_${itf}"});
1171             print FILE ";\n"                                                           if ($dhcpsettings{"DNS1_${itf}"});
1172             print FILE "\toption ntp-servers " . $dhcpsettings{"NTP1_${itf}"}          if ($dhcpsettings{"NTP1_${itf}"});
1173             print FILE ", " . $dhcpsettings{"NTP2_${itf}"}                             if ($dhcpsettings{"NTP2_${itf}"});
1174             print FILE ";\n"                                                           if ($dhcpsettings{"NTP1_${itf}"});
1175             print FILE "\toption netbios-name-servers " . $dhcpsettings{"WINS1_${itf}"}     if ($dhcpsettings{"WINS1_${itf}"});
1176             print FILE ", " . $dhcpsettings{"WINS2_${itf}"}                            if ($dhcpsettings{"WINS2_${itf}"});
1177             print FILE ";\n"                                                           if ($dhcpsettings{"WINS1_${itf}"});
1178             print FILE "\tnext-server " . $dhcpsettings{"NEXT_${itf}"} . ";\n" if ($dhcpsettings{"NEXT_${itf}"});
1179             print FILE "\tfilename \"" . $dhcpsettings{"FILE_${itf}"} . "\";\n" if ($dhcpsettings{"FILE_${itf}"});
1180             print FILE "\tdefault-lease-time " . ($dhcpsettings{"DEFAULT_LEASE_TIME_${itf}"} * 60). ";\n";
1181             print FILE "\tmax-lease-time "     . ($dhcpsettings{"MAX_LEASE_TIME_${itf}"} * 60)    . ";\n";
1182             print FILE "\tallow bootp;\n" if ($dhcpsettings{"ENABLEBOOTP_${itf}"} eq 'on');
1183
1184
1185
1186             # Write scoped options
1187             foreach my $line (@current1) {
1188                 chomp($line);   # remove newline
1189                 my @temp = split(/\t/,$line);           # Use TAB separator !
1190
1191                 if ($temp[0] eq 'on'){
1192                     for (my $key=0; $key<@ITFs; $key++) {
1193                         if ($itf eq $temp[3+$key]) # Only is an interface name is read
1194                         {
1195                             print FILE "\toption $temp[1] $temp[2];\n";
1196                         }
1197                     }
1198                 }# on
1199             }# foreach line
1200             print FILE "} #$itf\n";
1201
1202             system ('/usr/bin/touch', "${General::swroot}/dhcp/enable_${lc_itf}");
1203             system ('/usr/local/bin/dhcpctrl enable');
1204             &General::log("DHCP on ${itf}: " . $Lang::tr{'dhcp server enabled'})
1205         } else {
1206             unlink "${General::swroot}/dhcp/enable_${lc_itf}";
1207             system ('/usr/local/bin/dhcpctrl disable');
1208             &General::log("DHCP on ${itf}: " . $Lang::tr{'dhcp server disabled'})
1209         }
1210     }
1211
1212     #write fixed leases if any. Does not handle duplicates to write them elsewhere than the global scope.
1213     my $key = 0;
1214     foreach my $line (@current2) {
1215         chomp($line);
1216         my @temp = split(/\,/,$line);
1217         if ($temp[2] eq "on") {
1218             print FILE "\nhost fix$key # $temp[6]\n";
1219             print FILE "{\n";
1220             print FILE "\thardware ethernet $temp[0];\n";
1221             print FILE "\tfixed-address $temp[1];\n";
1222             print FILE "\tnext-server $temp[3];\n"          if ($temp[3]);
1223             print FILE "\tfilename \"$temp[4]\";\n"         if ($temp[4]);
1224             print FILE "\toption root-path \"$temp[5]\";\n" if ($temp[5]);
1225             print FILE "}\n";
1226             $key++;
1227         }
1228     }
1229     close FILE;
1230     system '/usr/local/bin/dhcpctrl restart >/dev/null 2>&1';
1231 }
1232
1233 #
1234 # Receive a string and if it match model for a new option,
1235 # add it to the list %newOptions
1236 #
1237 my %NewOptions = ();
1238
1239 sub AddNewOptionDefinition {
1240     my ($line) = @_;
1241     if ( $line =~ /^([-\w]+)( code \d+=($OptionTypes))/ ) {
1242         $NewOptions{$1} = $2;
1243         #&General::log ("new:<$1><$2>");
1244         return 1;
1245     }
1246     return 0;
1247 }
1248
1249 #
1250 # Check existence of definition for a new option
1251 #
1252 sub ExistNewOptionDefinition {
1253     my ($line) = @_;
1254
1255     if ( $line =~ /^([-\w]+)( code \d+=($OptionTypes))/ ) {
1256         return defined $NewOptions{$1};
1257     }
1258     return 0;
1259 }
1260
1261 #
1262 # Check if it is a new option (definition must exist)
1263 # "code=" test eliminate a false response when definition exists
1264 # but this string is a definition with bad $OptionTypes.
1265 sub ValidNewOption {
1266     my ($line) = @_;
1267     if ($line =~ /^([-\w]+) (.*)/ ) {
1268         return defined ( $NewOptions{$1} ) && $2 !~ /code=/;
1269     }
1270     return 0;
1271 }
1272
1273 #
1274 # Check if the new option $opt is used, except the definition of itself!
1275 #
1276 sub IsUsedNewOptionDefinition {
1277     my ($opt,$val) = @_;
1278
1279     foreach my $line (@current1) {
1280         #chomp($line);   # remove newline        #don't know why, but this remove newline in @current1 .... !
1281         my @temp = split(/\t/,$line);
1282         # if we find something "opt value" & value != "code nnn=" it's ok.
1283         return 1 if ( ($opt eq $temp[1]) && ($temp[2] !~ /code \d+=/) );
1284     }
1285     return 0;
1286 }