config/cfgroot/header.pl

   1 # SmoothWall CGIs
   2 #
   3 # This code is distributed under the terms of the GPL
   4 #
   5 # (c) The SmoothWall Team
   6 # Copyright (C) 2002 Alex Hudson - getcgihash() rewrite
   7 # Copyright (C) 2002 Bob Grant <bob@cache.ucr.edu> - validmac()
   8 # Copyright (c) 2002/04/13 Steve Bootes - add alias section, helper functions
   9 # Copyright (c) 2002/08/23 Mark Wormgoor <mark@wormgoor.com> validfqdn()
  10 # Copyright (c) 2003/09/11 Darren Critchley <darrenc@telus.net> srtarray()
  11 #
  12 package Header;
  13
  14 use CGI();
  15 use File::Basename;
  16 use HTML::Entities();
  17 use Socket;
  18 use Time::Local;
  19
  20 $|=1; # line buffering
  21
  22 $Header::revision = 'final';
  23 $Header::swroot = '/var/ipfire';
  24 $Header::graphdir='/srv/web/ipfire/html/graphs';
  25 $Header::pagecolour = '#ffffff';
  26 #$Header::tablecolour = '#a0a0a0';
  27 $Header::tablecolour = '#FFFFFF';
  28 $Header::bigboxcolour = '#F6F4F4';
  29 $Header::boxcolour = '#EAE9EE';
  30 $Header::bordercolour = '#000000';
  31 $Header::table1colour = '#E0E0E0';
  32 $Header::table2colour = '#F0F0F0';
  33 $Header::colourred = '#993333';
  34 $Header::colourorange = '#FF9933';
  35 $Header::colouryellow = '#FFFF00';
  36 $Header::colourgreen = '#339933';
  37 $Header::colourblue = '#333399';
  38 $Header::colourovpn = '#339999';
  39 $Header::colourfw = '#000000';
  40 $Header::colourvpn = '#990099';
  41 $Header::colourerr = '#FF0000';
  42 $Header::viewsize = 150;
  43 $Header::errormessage = '';
  44 $Header::extraHead = <<END
  45 <style>
  46         .row-color20 {
  47                 background-color: $color{'color20'};
  48         }
  49         .row-color22 {
  50                 background-color: $color{'color22'};
  51         }
  52         .row-colouryellow {
  53                 background-color: $Header::colouryellow;
  54         }
  55         .cell-orange {
  56                 background-color: orange;
  57         }
  58 </style>
  59 END
  60 ;
  61 my %menuhash = ();
  62 my $menu = \%menuhash;
  63 %settings = ();
  64 %ethsettings = ();
  65 %pppsettings = ();
  66 my @URI = split('\?', $ENV{'REQUEST_URI'});
  67
  68 ### Make sure this is an SSL request
  69 if ($ENV{'SERVER_ADDR'} && $ENV{'HTTPS'} ne 'on') {
  70     print "Status: 302 Moved\r\n";
  71     print "Location: https://$ENV{'SERVER_ADDR'}:444/$ENV{'PATH_INFO'}\r\n\r\n";
  72     exit 0;
  73 }
  74
  75 ### Initialize environment
  76 &General::readhash("${swroot}/main/settings", \%settings);
  77 &General::readhash("${swroot}/ethernet/settings", \%ethsettings);
  78 &General::readhash("${swroot}/ppp/settings", \%pppsettings);
  79 $hostname = $settings{'HOSTNAME'};
  80 $hostnameintitle = 0;
  81
  82 ### Initialize language
  83 require "${swroot}/lang.pl";
  84 $language = &Lang::FindWebLanguage($settings{"LANGUAGE"});
  85
  86 ### Read English Files
  87 if ( -d "/var/ipfire/langs/en/" ) {
  88     opendir(DIR, "/var/ipfire/langs/en/");
  89     @names = readdir(DIR) or die "Cannot Read Directory: $!\n";
  90     foreach $name(@names) {
  91         next if ($name eq ".");
  92         next if ($name eq "..");
  93         next if (!($name =~ /\.pl$/));
  94         require "${swroot}/langs/en/${name}";
  95     };
  96 };
  97
  98
  99 ### Enable Language Files
 100 if ( -d "/var/ipfire/langs/${language}/" ) {
 101     opendir(DIR, "/var/ipfire/langs/${language}/");
 102     @names = readdir(DIR) or die "Cannot Read Directory: $!\n";
 103     foreach $name(@names) {
 104         next if ($name eq ".");
 105         next if ($name eq "..");
 106         next if (!($name =~ /\.pl$/));
 107         require "${swroot}/langs/${language}/${name}";
 108     };
 109 };
 110
 111 ### Initialize user manual
 112 my %manualpages = ();
 113 &_read_manualpage_hash("${General::swroot}/main/manualpages");
 114
 115 ### Load selected language and theme functions
 116 require "${swroot}/langs/en.pl";
 117 require "${swroot}/langs/${language}.pl";
 118 eval `/bin/cat /srv/web/ipfire/html/themes/ipfire/include/functions.pl`;
 119
 120 sub green_used() {
 121     if ($ethsettings{'GREEN_DEV'} && $ethsettings{'GREEN_DEV'} ne "") {
 122         return 1;
 123     }
 124
 125     return 0;
 126 }
 127
 128 sub orange_used () {
 129     if ($ethsettings{'CONFIG_TYPE'} =~ /^[24]$/) {
 130         return 1;
 131     }
 132     return 0;
 133 }
 134
 135 sub blue_used () {
 136     if ($ethsettings{'CONFIG_TYPE'} =~ /^[34]$/) {
 137         return 1;
 138     }
 139     return 0;
 140 }
 141
 142 sub is_modem {
 143     if ($ethsettings{'CONFIG_TYPE'} =~ /^[0]$/) {
 144         return 1;
 145     }
 146     return 0;
 147 }
 148
 149 ### Initialize menu
 150 sub genmenu {
 151
 152     my %subsystemhash = ();
 153     my $subsystem = \%subsystemhash;
 154
 155     my %substatushash = ();
 156     my $substatus = \%substatushash;
 157
 158     my %subnetworkhash = ();
 159     my $subnetwork = \%subnetworkhash;
 160
 161     my %subserviceshash = ();
 162     my $subservices = \%subserviceshash;
 163
 164     my %subfirewallhash = ();
 165     my $subfirewall = \%subfirewallhash;
 166
 167     my %subipfirehash = ();
 168     my $subipfire = \%subipfirehash;
 169
 170     my %sublogshash = ();
 171     my $sublogs = \%sublogshash;
 172
 173   if ( -e "/var/ipfire/main/gpl_accepted") {
 174
 175     eval `/bin/cat /var/ipfire/menu.d/*.menu`;
 176     eval `/bin/cat /var/ipfire/menu.d/*.main`;
 177
 178     if (! blue_used()) {
 179         $menu->{'05.firewall'}{'subMenu'}->{'60.wireless'}{'enabled'} = 0;
 180     }
 181     if ( $ethsettings{'CONFIG_TYPE'} =~ /^(1|2|3|4)$/ && $ethsettings{'RED_TYPE'} eq 'STATIC' ) {
 182         $menu->{'03.network'}{'subMenu'}->{'70.aliases'}{'enabled'} = 1;
 183     }
 184
 185     if (&General::RedIsWireless()) {
 186         $menu->{'01.system'}{'subMenu'}->{'21.wlan'}{'enabled'} = 1;
 187     }
 188
 189     if ( $ethsettings{'RED_TYPE'} eq "PPPOE" && $pppsettings{'MONPORT'} ne "" ) {
 190         $menu->{'02.status'}{'subMenu'}->{'74.modem-status'}{'enabled'} = 1;
 191     }
 192
 193         # Disable the Dialup/PPPoE menu item when the RED interface is in IP mode
 194         # (the "Network" module is loaded by general-functions.pl)
 195         if(&Network::is_red_mode_ip()) {
 196                 $menu->{'01.system'}{'subMenu'}->{'20.dialup'}{'enabled'} = 0;
 197         }
 198
 199     # Disbale unusable things in cloud environments
 200     if (&General::running_in_cloud()) {
 201         $menu->{'03.network'}{'subMenu'}->{'30.dhcp'}{'enabled'} = 0;
 202         $menu->{'03.network'}{'subMenu'}->{'80.macadressmenu'}{'enabled'} = 0;
 203         $menu->{'03.network'}{'subMenu'}->{'90.wakeonlan'}{'enabled'} = 0;
 204     }
 205   }
 206 }
 207
 208 sub showhttpheaders
 209 {
 210         print "Cache-control: private\n";
 211         print "Content-type: text/html; charset=UTF-8\n\n";
 212 }
 213
 214 sub is_menu_visible($) {
 215     my $link = shift;
 216     $link =~ s#\?.*$##;
 217     return (-e $ENV{'DOCUMENT_ROOT'}."/../$link");
 218 }
 219
 220
 221 sub getlink($) {
 222     my $root = shift;
 223     if (! $root->{'enabled'}) {
 224         return '';
 225     }
 226     if ($root->{'uri'} !~ /^$/) {
 227         my $vars = '';
 228         if ($root->{'vars'} !~ /^$/) {
 229             $vars = '?'. $root->{'vars'};
 230         }
 231         if (! is_menu_visible($root->{'uri'})) {
 232             return '';
 233         }
 234         return $root->{'uri'}.$vars;
 235     }
 236     my $submenus = $root->{'subMenu'};
 237     if (! $submenus) {
 238         return '';
 239     }
 240     foreach my $item (sort keys %$submenus) {
 241         my $link = getlink($submenus->{$item});
 242         if ($link ne '') {
 243             return $link;
 244         }
 245     }
 246     return '';
 247 }
 248
 249
 250 sub compare_url($) {
 251     my $conf = shift;
 252
 253     my $uri = $conf->{'uri'};
 254     my $vars = $conf->{'vars'};
 255     my $novars = $conf->{'novars'};
 256
 257     if ($uri eq '') {
 258         return 0;
 259     }
 260     if ($uri ne $URI[0]) {
 261         return 0;
 262     }
 263     if ($novars) {
 264         if ($URI[1] !~ /^$/) {
 265             return 0;
 266         }
 267     }
 268     if (! $vars) {
 269         return 1;
 270     }
 271     return ($URI[1] eq $vars);
 272 }
 273
 274
 275 sub gettitle($) {
 276     my $root = shift;
 277
 278     if (! $root) {
 279         return '';
 280     }
 281     foreach my $item (sort keys %$root) {
 282         my $val = $root->{$item};
 283         if (compare_url($val)) {
 284             $val->{'selected'} = 1;
 285             if ($val->{'title'} !~ /^$/) {
 286                 return $val->{'title'};
 287             }
 288             return 'EMPTY TITLE';
 289         }
 290
 291         my $title = gettitle($val->{'subMenu'});
 292         if ($title ne '') {
 293             $val->{'selected'} = 1;
 294             return $title;
 295         }
 296     }
 297     return '';
 298 }
 299
 300 sub getcgihash {
 301         my ($hash, $params) = @_;
 302         my $cgi = CGI->new ();
 303         $hash->{'__CGI__'} = $cgi;
 304         return if ($ENV{'REQUEST_METHOD'} ne 'POST');
 305         if (!$params->{'wantfile'}) {
 306                 $CGI::DISABLE_UPLOADS = 1;
 307                 $CGI::POST_MAX        = 1024 * 1024;
 308         } else {
 309                 $CGI::POST_MAX = 10 * 1024 * 1024;
 310         }
 311
 312         $cgi->referer() =~ m/^https?\:\/\/([^\/]+)/;
 313         my $referer = $1;
 314         $cgi->url() =~ m/^https?\:\/\/([^\/]+)/;
 315         my $servername = $1;
 316         return if ($referer ne $servername);
 317
 318         ### Modified for getting multi-vars, split by |
 319         %temp = $cgi->Vars();
 320         foreach my $key (keys %temp) {
 321                 $hash->{$key} = $temp{$key};
 322                 $hash->{$key} =~ s/\0/|/g;
 323                 $hash->{$key} =~ s/^\s*(.*?)\s*$/$1/;
 324         }
 325
 326         if (($params->{'wantfile'})&&($params->{'filevar'})) {
 327                 $hash->{$params->{'filevar'}} = $cgi->upload
 328                                                 ($params->{'filevar'});
 329         }
 330         return;
 331 }
 332
 333 sub escape($) {
 334         my $s = shift;
 335         return HTML::Entities::encode_entities($s);
 336 }
 337
 338 sub cleanhtml {
 339         my $outstring =$_[0];
 340         $outstring =~ tr/,/ / if not defined $_[1] or $_[1] ne 'y';
 341
 342         return escape($outstring);
 343 }
 344
 345 sub connectionstatus
 346 {
 347     my %pppsettings = ();
 348     my %netsettings = ();
 349     my $iface='';
 350
 351     $pppsettings{'PROFILENAME'} = 'None';
 352     &General::readhash("${General::swroot}/ppp/settings", \%pppsettings);
 353     &General::readhash("${General::swroot}/ethernet/settings", \%netsettings);
 354
 355     my $profileused='';
 356     unless ( $netsettings{'RED_TYPE'} =~ /^(DHCP|STATIC)$/ ) {
 357         $profileused="- $pppsettings{'PROFILENAME'}";
 358     }
 359
 360     my ($timestr, $connstate);
 361
 362                 my $connstate = "<span>$Lang::tr{'idle'} $profileused</span>";
 363
 364                 if (-e "${General::swroot}/red/active") {
 365                         $timestr = &General::age("${General::swroot}/red/active");
 366                         $connstate = "<span>$Lang::tr{'connected'} - (<span>$timestr</span>) $profileused</span>";
 367                 } else {
 368                   if ((open(KEEPCONNECTED, "</var/ipfire/red/keepconnected") == false) && ($pppsettings{'RECONNECTION'} eq "persistent")) {
 369                                 $connstate = "<span>$Lang::tr{'connection closed'} $profileused</span>";
 370       } elsif (($pppsettings{'RECONNECTION'} eq "dialondemand") && ( -e "${General::swroot}/red/dial-on-demand")) {
 371                                 $connstate = "<span>$Lang::tr{'dod waiting'} $profileused</span>";
 372                         } else {
 373                                 $connstate = "<span>$Lang::tr{'connecting'} $profileused</span>" if (system("ps -ef | grep -q '[p]ppd'"));
 374                         }
 375                 }
 376
 377     return $connstate;
 378 }
 379
 380 sub CheckSortOrder {
 381 #Sorting of allocated leases
 382     if ($ENV{'QUERY_STRING'} =~ /^IPADDR|^ETHER|^HOSTNAME|^ENDTIME/ ) {
 383         my $newsort=$ENV{'QUERY_STRING'};
 384         &General::readhash("${swroot}/dhcp/settings", \%dhcpsettings);
 385         $act=$dhcpsettings{'SORT_LEASELIST'};
 386         #Reverse actual ?
 387         if ($act =~ $newsort) {
 388             if ($act !~ 'Rev') {$Rev='Rev'};
 389             $newsort.=$Rev
 390         };
 391
 392         $dhcpsettings{'SORT_LEASELIST'}=$newsort;
 393         &General::writehash("${swroot}/dhcp/settings", \%dhcpsettings);
 394         $dhcpsettings{'ACTION'} = 'SORT';  # avoid the next test "First lauch"
 395     }
 396
 397 }
 398
 399 sub PrintActualLeases
 400 {
 401     &openbox('100%', 'left', $Lang::tr{'current dynamic leases'});
 402     print <<END
 403 <table width='100%' class='tbl'>
 404 <tr>
 405 <th width='25%' align='center'><a href='$ENV{'SCRIPT_NAME'}?IPADDR'><b>$Lang::tr{'ip address'}</b></a></th>
 406 <th width='25%' align='center'><a href='$ENV{'SCRIPT_NAME'}?ETHER'><b>$Lang::tr{'mac address'}</b></a></th>
 407 <th width='20%' align='center'><a href='$ENV{'SCRIPT_NAME'}?HOSTNAME'><b>$Lang::tr{'hostname'}</b></a></th>
 408 <th width='25%' align='center'><a href='$ENV{'SCRIPT_NAME'}?ENDTIME'><b>$Lang::tr{'lease expires'} (local time d/m/y)</b></a></th>
 409 <th width='5%' align='center'><b>$Lang::tr{'dhcp make fixed lease'}</b></th>
 410 </tr>
 411 END
 412 ;
 413
 414     open(LEASES,"/var/state/dhcp/dhcpd.leases") or die "Can't open dhcpd.leases";
 415         while (my $line = <LEASES>) {
 416                 next if( $line =~ /^\s*#/ );
 417                 chomp($line);
 418                 @temp = split (' ', $line);
 419
 420                 if ($line =~ /^\s*lease/) {
 421                         $ip = $temp[1];
 422                         #All field are not necessarily read. Clear everything
 423                         $endtime = 0;
 424                         $endtime_print = "";
 425                         $expired = 0;
 426                         $ether = "";
 427                         $hostname = "";
 428                 }
 429
 430                 if ($line =~ /^\s*ends/) {
 431                         $line =~ /(\d+)\/(\d+)\/(\d+) (\d+):(\d+):(\d+)/;
 432                         $endtime = timegm($6, $5, $4, $3, $2 - 1, $1 - 1900);
 433                         ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday, $dst) = localtime($endtime);
 434                         $endtime_print = sprintf ("%02d/%02d/%d %02d:%02d:%02d",$mday,$mon+1,$year+1900,$hour,$min,$sec);
 435                         $expired = $endtime < time();
 436                 }
 437
 438                 if ($line =~ /^\s*hardware ethernet/) {
 439                         $ether = $temp[2];
 440                         $ether =~ s/;//g;
 441                 }
 442
 443                 if ($line =~ /^\s*client-hostname/) {
 444                         $hostname = "$temp[1] $temp[2] $temp[3]";
 445                         $hostname =~ s/\"|[;\s]+?$//g; # remove quotes, trim semicolon and white space
 446                 }
 447
 448                 if ($line eq "}") {
 449                         @record = ('IPADDR',$ip,'ENDTIME',$endtime,'ETHER',$ether,'HOSTNAME',$hostname,'endtime_print',$endtime_print,'expired',$expired);
 450                         $record = {};                                                           # create a reference to empty hash
 451                         %{$record} = @record;                                           # populate that hash with @record
 452                         $entries{$record->{'IPADDR'}} = $record;        # add this to a hash of hashes
 453                 }
 454     }
 455     close(LEASES);
 456
 457     my $id = 0;
 458     my $col = "";
 459         my $divider_printed = 0;
 460     foreach my $key (sort leasesort keys %entries) {
 461                 my $hostname = &cleanhtml($entries{$key}->{HOSTNAME},"y");
 462                 my $hostname_print = $hostname;
 463                 if($hostname_print eq "") { #print blank space if no hostname is found
 464                         $hostname_print = "&nbsp;&nbsp;&nbsp;";
 465                 }
 466
 467                 # separate active and expired leases with a horizontal line
 468                 if(($entries{$key}->{expired}) && ($divider_printed == 0)) {
 469                         $divider_printed = 1;
 470                         if ($id % 2) {
 471                                 print "<tr><td colspan='5' bgcolor='$table1colour'><hr size='1'></td></tr>\n";
 472                         } else {
 473                                 print "<tr><td colspan='5' bgcolor='$table2colour'><hr size='1'></td></tr>\n";
 474                         }
 475                         $id++;
 476                 }
 477
 478                 print "<form method='post' action='/cgi-bin/dhcp.cgi'><tr>\n";
 479                 if ($id % 2) {
 480                         $col="bgcolor='$table1colour'";
 481                 } else {
 482                         $col="bgcolor='$table2colour'";
 483                 }
 484
 485                 if($entries{$key}->{expired}) {
 486                         print <<END
 487 <td align='center' $col><input type='hidden' name='FIX_ADDR' value='$entries{$key}->{IPADDR}' /><strike><i>$entries{$key}->{IPADDR}</i></strike></td>
 488 <td align='center' $col><input type='hidden' name='FIX_MAC' value='$entries{$key}->{ETHER}' /><strike><i>$entries{$key}->{ETHER}</i></strike></td>
 489 <td align='center' $col><input type='hidden' name='FIX_REMARK' value='$hostname' /><strike><i>$hostname_print<i><strike></td>
 490 <td align='center' $col><input type='hidden' name='FIX_ENABLED' value='on' /><strike><i>$entries{$key}->{endtime_print}</i></strike></td>
 491 END
 492 ;
 493                 } else {
 494                         print <<END
 495 <td align='center' $col><input type='hidden' name='FIX_ADDR' value='$entries{$key}->{IPADDR}' />$entries{$key}->{IPADDR}</td>
 496 <td align='center' $col><input type='hidden' name='FIX_MAC' value='$entries{$key}->{ETHER}' />$entries{$key}->{ETHER}</td>
 497 <td align='center' $col><input type='hidden' name='FIX_REMARK' value='$hostname' />$hostname_print</td>
 498 <td align='center' $col><input type='hidden' name='FIX_ENABLED' value='on' />$entries{$key}->{endtime_print}</td>
 499 END
 500 ;
 501                 }
 502
 503                 print <<END
 504 <td $col><input type='hidden' name='ACTION' value='$Lang::tr{'add'}2' /><input type='submit' name='SUBMIT' value='$Lang::tr{'add'}' /></td>
 505 </tr></form>
 506 END
 507 ;
 508                 $id++;
 509     }
 510
 511     print "</table>";
 512     &closebox();
 513 }
 514
 515
 516 # This sub is used during display of actives leases
 517 sub leasesort {
 518         if (rindex ($dhcpsettings{'SORT_LEASELIST'},'Rev') != -1)
 519         {
 520                 $qs=substr ($dhcpsettings{'SORT_LEASELIST'},0,length($dhcpsettings{'SORT_LEASELIST'})-3);
 521                 if ($qs eq 'IPADDR') {
 522                         @a = split(/\./,$entries{$a}->{$qs});
 523                         @b = split(/\./,$entries{$b}->{$qs});
 524                         $entries{$a}->{'expired'} <=> $entries{$b}->{'expired'} || # always sort by expiration first
 525                         ($b[0]<=>$a[0]) ||
 526                         ($b[1]<=>$a[1]) ||
 527                         ($b[2]<=>$a[2]) ||
 528                         ($b[3]<=>$a[3]);
 529                 } else {
 530                         $entries{$a}->{'expired'} <=> $entries{$b}->{'expired'} ||
 531                         $entries{$b}->{$qs} cmp $entries{$a}->{$qs};
 532                 }
 533         }
 534         else #not reverse
 535         {
 536                 $qs=$dhcpsettings{'SORT_LEASELIST'};
 537                 if ($qs eq 'IPADDR') {
 538                         @a = split(/\./,$entries{$a}->{$qs});
 539                         @b = split(/\./,$entries{$b}->{$qs});
 540                         $entries{$a}->{'expired'} <=> $entries{$b}->{'expired'} ||
 541                         ($a[0]<=>$b[0]) ||
 542                         ($a[1]<=>$b[1]) ||
 543                         ($a[2]<=>$b[2]) ||
 544                         ($a[3]<=>$b[3]);
 545                 } else {
 546                         $entries{$a}->{'expired'} <=> $entries{$b}->{'expired'} ||
 547                         $entries{$a}->{$qs} cmp $entries{$b}->{$qs};
 548                 }
 549         }
 550 }
 551
 552 sub colorize {
 553         my $string =  $_[0];
 554         my @array = split(/\//,$string);
 555         my $string2 = $array[0];
 556
 557         if ( $string eq "*" or $string eq "" ){
 558                 return $string;
 559         } elsif ( $string =~ "ipsec" ){
 560                 return "<font color='".${Header::colourvpn}."'>".$string."</font>";
 561         } elsif ( $string =~ "tun" ){
 562                 return "<font color='".${Header::colourovpn}."'>".$string."</font>";
 563         } elsif ( $string =~ "lo" or $string =~ "127.0.0.0" ){
 564                 return "<font color='".${Header::colourfw}."'>".$string."</font>";
 565         } elsif ( $string =~ $ethsettings{'GREEN_DEV'} or &General::IpInSubnet($string2,$ethsettings{'GREEN_NETADDRESS'},$ethsettings{'GREEN_NETMASK'}) ){
 566                 return "<font color='".${Header::colourgreen}."'>".$string."</font>";
 567         } elsif (  $string =~ "ppp0" or $string =~ $ethsettings{'RED_DEV'} or $string =~ "0.0.0.0" or $string =~ $ethsettings{'RED_ADDRESS'} ){
 568                 return "<font color='".${Header::colourred}."'>".$string."</font>";
 569         } elsif ( $ethsettings{'CONFIG_TYPE'}>1 and ( $string =~ $ethsettings{'BLUE_DEV'} or &General::IpInSubnet($string2,$ethsettings{'BLUE_NETADDRESS'},$ethsettings{'BLUE_NETMASK'}) )){
 570                 return "<font color='".${Header::colourblue}."'>".$string."</font>";
 571         } elsif ( $ethsettings{'CONFIG_TYPE'}>2 and ( $string =~ $ethsettings{'ORANGE_DEV'} or &General::IpInSubnet($string2,$ethsettings{'ORANGE_NETADDRESS'},$ethsettings{'ORANGE_NETMASK'}) )){
 572                 return "<font color='".${Header::colourorange}."'>".$string."</font>";
 573         } else {
 574                 return $string;
 575         }
 576 }
 577
 578 # Get user manual URL for a configuration page inside the "/cgi-bin/"
 579 # (reads current page from the environment variables unless defined)
 580 # Returns empty if no URL is available
 581 sub get_manualpage_url() {
 582         my ($cgifile) = @_;
 583         $cgifile //= substr($ENV{'SCRIPT_NAME'}, 9); # remove fixed "/cgi-bin/" path
 584
 585         # Ensure base url is configured
 586         return unless($manualpages{'BASE_URL'});
 587
 588         # Return URL
 589         if($cgifile && defined($manualpages{$cgifile})) {
 590                 return "$manualpages{'BASE_URL'}/$manualpages{$cgifile}";
 591         }
 592
 593         # No manual page configured, return nothing
 594         return;
 595 }
 596
 597 # Private function to load a hash of configured user manual pages from file
 598 # (run check_manualpages.pl to make sure the file is correct)
 599 sub _read_manualpage_hash() {
 600         my ($filename) = @_;
 601
 602         open(my $file, "<", $filename) or return; # Fail silent
 603         while(my $line = <$file>) {
 604                 chomp($line);
 605                 next if(substr($line, 0, 1) eq '#'); # Skip comments
 606                 next if(index($line, '=', 1) == -1); # Skip incomplete lines
 607
 608                 my($left, $value) = split(/=/, $line, 2);
 609                 if($left =~ /^([[:alnum:]\/._-]+)$/) {
 610                         my $key = $1;
 611                         $manualpages{$key} = $value;
 612                 }
 613         }
 614         close($file);
 615 }
 616
 617 1; # End of package "Header"