html/cgi-bin/captive.cgi

   1 #!/usr/bin/perl
   2 ###############################################################################
   3 #                                                                             #
   4 # IPFire.org - A linux based firewall                                         #
   5 # Copyright (C) 2016  IPFire Team  <alexander.marx@ipfire.org>                #
   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 use HTML::Entities();
  24 use File::Basename;
  25
  26 # enable only the following on debugging purpose
  27 #use warnings;
  28 #use CGI::Carp 'fatalsToBrowser';
  29
  30 require '/var/ipfire/general-functions.pl';
  31 require "${General::swroot}/lang.pl";
  32 require "${General::swroot}/header.pl";
  33
  34 my %selected = ();
  35
  36 my $coupons = "${General::swroot}/captive/coupons";
  37 my %couponhash = ();
  38
  39 my $logo = "${General::swroot}/captive/logo.dat";
  40
  41 my %settings=();
  42 my %mainsettings;
  43 my %color;
  44 my %cgiparams=();
  45 my %netsettings=();
  46 my %checked=();
  47 my $errormessage='';
  48 my $clients="${General::swroot}/captive/clients";
  49 my %clientshash=();
  50 my $settingsfile="${General::swroot}/captive/settings";
  51 unless (-e $settingsfile)       { system("touch $settingsfile"); }
  52
  53 &Header::getcgihash(\%cgiparams);
  54
  55 &General::readhash("${General::swroot}/main/settings", \%mainsettings);
  56 &General::readhash("/srv/web/ipfire/html/themes/".$mainsettings{'THEME'}."/include/colors.txt", \%color);
  57 &General::readhash("$settingsfile", \%settings) if(-f $settingsfile);
  58 &General::readhash("${General::swroot}/ethernet/settings", \%netsettings);
  59
  60 &Header::showhttpheaders();
  61
  62 if ($cgiparams{'ACTION'} eq $Lang::tr{'save'}) {
  63         my $file = $cgiparams{'logo'};
  64         if ($file) {
  65                 # Check if the file extension is PNG/JPEG
  66                 chomp $file;
  67
  68                 my ($name, $path, $ext) = fileparse($file, qr/\.[^.]*$/);
  69                 if ($ext ne ".png" && $ext ne ".jpg" && $ext ne ".jpeg") {
  70                         $errormessage = $Lang::tr{'Captive wrong ext'};
  71                 }
  72         }
  73
  74         $settings{'ENABLE_GREEN'}               = $cgiparams{'ENABLE_GREEN'};
  75         $settings{'ENABLE_BLUE'}                = $cgiparams{'ENABLE_BLUE'};
  76         $settings{'AUTH'}                               = $cgiparams{'AUTH'};
  77         $settings{'TITLE'}                              = $cgiparams{'TITLE'};
  78         $settings{'COLOR'}                      = $cgiparams{'COLOR'};
  79         $settings{'SESSION_TIME'}               = $cgiparams{'SESSION_TIME'};
  80
  81         if (!$errormessage){
  82                 #Check if we need to upload a new logo
  83                 if ($file) {
  84                         # Save logo
  85                         my ($filehandle) = CGI::upload("logo");
  86
  87                         # XXX check filesize
  88
  89                         open(FILE, ">$logo");
  90                         binmode $filehandle;
  91                         while (<$filehandle>) {
  92                                 print FILE;
  93                         }
  94                         close(FILE);
  95                 }
  96
  97                 &General::writehash("$settingsfile", \%settings);
  98
  99                 # Save terms
 100                 if ($cgiparams{'TERMS'}){
 101                         $cgiparams{'TERMS'} = &Header::escape($cgiparams{'TERMS'});
 102                         open(FH, ">:utf8", "/var/ipfire/captive/terms.txt") or die("$!");
 103                         print FH $cgiparams{'TERMS'};
 104                         close(FH);
 105                         $cgiparams{'TERMS'} = "";
 106                 }
 107
 108                 #execute binary to reload firewall rules
 109                 system("/usr/local/bin/captivectrl");
 110
 111                 if ($cgiparams{'ENABLE_BLUE'} eq 'on'){
 112                                 system("/usr/local/bin/wirelessctrl");
 113                 }
 114         }
 115 }
 116
 117 if ($cgiparams{'ACTION'} eq "$Lang::tr{'Captive generate coupon'}") {
 118         #calculate expiredate
 119         my $expire;
 120         if ($settings{'UNLIMITED'} eq 'on'){
 121                 $expire = $Lang::tr{'Captive nolimit'};
 122         }else{
 123                 $settings{'EXPIRE'} = $cgiparams{'EXP_HOUR'}+$cgiparams{'EXP_DAY'}+$cgiparams{'EXP_WEEK'}+$cgiparams{'EXP_MONTH'};
 124                 $expire = sub{sprintf '%02d.%02d.%04d %02d:%02d', $_[3], $_[4]+1, $_[5]+1900, $_[2], $_[1]  }->(localtime(time()+$settings{'EXPIRE'}));
 125     }
 126
 127         #Check Expiretime
 128         if($cgiparams{'EXP_HOUR'}+$cgiparams{'EXP_DAY'}+$cgiparams{'EXP_WEEK'}+$cgiparams{'EXP_MONTH'} == 0 && $cgiparams{'UNLIMITED'} == ''){
 129                 $errormessage=$Lang::tr{'Captive noexpiretime'};
 130         }
 131
 132         #check valid remark
 133         if ($cgiparams{'REMARK'} ne '' && !&validremark($cgiparams{'REMARK'})){
 134                 $errormessage=$Lang::tr{'fwhost err remark'};
 135         }
 136
 137         if (!$errormessage) {
 138                 &General::readhasharray($coupons, \%couponhash) if (-e $coupons);
 139                 my $now = time();
 140
 141                 my $count = $cgiparams{'COUNT'} || 1;
 142                 while($count-- > 0) {
 143                         # Generate a new code
 144                         my $code = &gencode();
 145
 146                         # Check if the coupon code already exists
 147                         foreach my $key (keys %couponhash) {
 148                                 if($couponhash{$key}[1] eq $code) {
 149                                         # Code already exists, so try again
 150                                         $code = "";
 151                                         $count++;
 152                                         last;
 153                                 }
 154                         }
 155
 156                         next if ($code eq "");
 157
 158                         # Get a new key from hash
 159                         my $key = &General::findhasharraykey(\%couponhash);
 160
 161                         # Initialize all fields
 162                         foreach my $i (0 .. 3) { $couponhash{$key}[$i] = ""; }
 163
 164                         $couponhash{$key}[0] = $now;
 165                         $couponhash{$key}[1] = $code;
 166                         $couponhash{$key}[2] = $expires;
 167                         $couponhash{$key}[3] = $cgiparams{'REMARK'};
 168                 }
 169
 170                 # Save everything to disk
 171                 &General::writehasharray($coupons, \%couponhash);
 172         }
 173 }
 174
 175 if ($cgiparams{'ACTION'} eq 'delete-coupon') {
 176         #deletes an already generated but unused voucher
 177
 178         #read all generated vouchers
 179         &General::readhasharray($coupons, \%couponhash) if (-e $coupons);
 180         foreach my $key (keys %couponhash) {
 181                 if($cgiparams{'key'} eq $couponhash{$key}[0]){
 182                         #write logenty with decoded remark
 183                         my $rem=HTML::Entities::decode_entities($couponhash{$key}[4]);
 184                         &General::log("Captive", "Delete unused coupon $couponhash{$key}[1] $couponhash{$key}[2] hours valid expires on $couponhash{$key}[3] remark $rem");
 185                         #delete line from hash
 186                         delete $couponhash{$key};
 187                         last;
 188                 }
 189         }
 190         #write back hash
 191         &General::writehasharray($coupons, \%couponhash);
 192 }
 193
 194 if ($cgiparams{'ACTION'} eq 'delete-client') {
 195         #delete voucher and connection in use
 196
 197         #read all active clients
 198         &General::readhasharray($clients, \%clientshash) if (-e $clients);
 199         foreach my $key (keys %clientshash) {
 200                 if($cgiparams{'key'} eq $clientshash{$key}[0]){
 201                         #prepare log entry with decoded remark
 202                         my $rem=HTML::Entities::decode_entities($clientshash{$key}[7]);
 203                         #write logentry
 204                         &General::log("Captive", "Deleted client in use $clientshash{$key}[1] $clientshash{$key}[2] hours valid expires on $clientshash{$key}[3] remark $rem - Connection will be terminated");
 205                         #delete line from hash
 206                         delete $clientshash{$key};
 207                         last;
 208                 }
 209         }
 210         #write back hash
 211         &General::writehasharray("$clients", \%clientshash);
 212         #reload firewallrules to kill connection of client
 213         system("/usr/local/bin/captivectrl");
 214 }
 215
 216 #open webpage, print header and open box
 217 &Header::openpage($Lang::tr{'Captive menu'}, 1, '');
 218 &Header::openbigbox();
 219
 220 # If an error message exists, show a box with the error message
 221 if ($errormessage) {
 222         &Header::openbox('100%', 'left', $Lang::tr{'error messages'});
 223         print $errormessage;
 224         &Header::closebox();
 225 }
 226
 227 # Prints the config box on the website
 228 &Header::openbox('100%', 'left', $Lang::tr{'Captive config'});
 229 print <<END
 230         <form method='post' action='$ENV{'SCRIPT_NAME'}' enctype="multipart/form-data">\n
 231                 <table width='100%' border="0">
 232                 <tr>
 233 END
 234 ;
 235
 236 #check which parameters have to be enabled (from settings file)
 237 $checked{'ENABLE_GREEN'}{'off'} = '';
 238 $checked{'ENABLE_GREEN'}{'on'} = '';
 239 $checked{'ENABLE_GREEN'}{$settings{'ENABLE_GREEN'}} = "checked='checked'";
 240
 241 $checked{'ENABLE_BLUE'}{'off'} = '';
 242 $checked{'ENABLE_BLUE'}{'on'} = '';
 243 $checked{'ENABLE_BLUE'}{$settings{'ENABLE_BLUE'}} = "checked='checked'";
 244
 245 $checked{'UNLIMITED'}{'off'} = '';
 246 $checked{'UNLIMITED'}{'on'} = '';
 247 $checked{'UNLIMITED'}{$settings{'UNLIMITED'}} = "checked='checked'";
 248
 249 $selected{'AUTH'} = ();
 250 $selected{'AUTH'}{'COUPON'} = "";
 251 $selected{'AUTH'}{'TERMS'} = "";
 252 $selected{'AUTH'}{$settings{'AUTH'}} = "selected";
 253
 254 if ($netsettings{'GREEN_DEV'}){
 255         print "<td width='30%'>$Lang::tr{'Captive active on'} <font color='$Header::colourgreen'>Green</font></td><td><input type='checkbox' name='ENABLE_GREEN' $checked{'ENABLE_GREEN'}{'on'} /></td></tr>";
 256 }
 257 if ($netsettings{'BLUE_DEV'}){
 258         print "<td width='30%'>$Lang::tr{'Captive active on'} <font color='$Header::colourblue'>Blue</font></td><td><input type='checkbox' name='ENABLE_BLUE' $checked{'ENABLE_BLUE'}{'on'} /></td></tr>";
 259 }
 260
 261 print<<END
 262         </tr>
 263         <tr>
 264                 <td>
 265                         $Lang::tr{'Captive authentication'}
 266                 </td>
 267                 <td>
 268                         <select name='AUTH'>
 269                                 <option value="TERMS"  $selected{'AUTH'}{'TERMS'} >$Lang::tr{'Captive terms'}</option>
 270                                 <option value="COUPON" $selected{'AUTH'}{'COUPON'}>$Lang::tr{'Captive coupon'}</option>
 271                         </select>
 272                 </td>
 273         </tr>
 274 END
 275 ;
 276
 277 if ($settings{'AUTH'} eq 'TERMS') {
 278         $selected{'SESSION_TIME'} = ();
 279         $selected{'SESSION_TIME'}{'0'} = "";
 280         $selected{'SESSION_TIME'}{'3600'} = "";
 281         $selected{'SESSION_TIME'}{'86400'} = "";
 282         $selected{'SESSION_TIME'}{'604800'} = "";
 283         $selected{'SESSION_TIME'}{'18144000'} = "";
 284         $selected{'SESSION_TIME'}{$settings{'SESSION_TIME'}} = "selected";
 285
 286         my $terms = &getterms();
 287         print <<END;
 288                 <tr>
 289                         <td></td>
 290                         <td>
 291                                 <textarea cols="50" rows="10" name="TERMS">$terms</textarea>
 292                         </td>
 293                 </tr>
 294
 295                 <tr>
 296                         <td>$Lang::tr{'Captive client session expiry time'}</td>
 297                         <td>
 298                                 <select name="SESSION_TIME">
 299                                         <option value="0"        $selected{'SESSION_TIME'}{'0'}>- $Lang::tr{'unlimited'} -</option>
 300                                         <option value="3600"     $selected{'SESSION_TIME'}{'3600'}>$Lang::tr{'one hour'}</option>
 301                                         <option value="86400"    $selected{'SESSION_TIME'}{'86400'}>$Lang::tr{'24 hours'}</option>
 302                                         <option value="604800"   $selected{'SESSION_TIME'}{'604800'}>$Lang::tr{'one week'}</option>
 303                                         <option value="18144000" $selected{'SESSION_TIME'}{'18144000'}>$Lang::tr{'one month'}</option>
 304                                 </select>
 305                         </td>
 306                 </tr>
 307 END
 308 }
 309
 310 print<<END;
 311         <tr>
 312                 <td colspan="2">
 313                         <br>
 314                         <strong>$Lang::tr{'Captive branding'}</strong>
 315                 </td>
 316         </tr>
 317         <tr>
 318                 <td>
 319                         $Lang::tr{'Captive title'}
 320                 </td>
 321                 <td>
 322                         <input type='text' name='TITLE' value="$settings{'TITLE'}" size='40'>
 323                 </td>
 324         </tr>
 325         <tr>
 326                 <td>$Lang::tr{'Captive brand color'}</td>
 327                 <td>
 328                         <input type="color" name="COLOR" value="$settings{'COLOR'}">
 329                 </td>
 330         </tr>
 331         <tr>
 332                 <td>
 333                         $Lang::tr{'Captive upload logo'}
 334                 </td>
 335                 <td>
 336                         <input type="file" name="logo">
 337                         <br>$Lang::tr{'Captive upload logo recommendations'}
 338                 </td>
 339         </tr>
 340 END
 341
 342 if (-e $logo) {
 343         print <<END;
 344                 <tr>
 345                         <td>$Lang::tr{'Captive logo uploaded'}</td>
 346                         <td>$Lang::tr{'yes'}</td>
 347                 </tr>
 348 END
 349 }
 350
 351 print <<END;
 352         <tr>
 353                 <td></td>
 354                 <td align='right'>
 355                         <input type='submit' name='ACTION' value="$Lang::tr{'save'}"/>
 356                 </td>
 357         </tr>
 358         </table></form>
 359 END
 360
 361 &Header::closebox();
 362
 363 #if settings is set to use coupons, the coupon part has to be displayed
 364 if ($settings{'AUTH'} eq 'COUPON') {
 365         &coupons();
 366 } else {
 367         #otherwise we show the licensepart
 368         &show_license_connections();
 369 }
 370
 371 sub getterms() {
 372         my @ret;
 373
 374         open(FILE, "<:utf8", "/var/ipfire/captive/terms.txt");
 375         while(<FILE>) {
 376                 push(@ret, HTML::Entities::decode_entities($_));
 377         }
 378         close(FILE);
 379
 380         return join(/\n/, @ret);
 381 }
 382
 383 sub gencode(){
 384         #generate a random code only letters from A-Z except 'O'  and 0-9
 385         my @chars = ("A".."N", "P".."Z", "0".."9");
 386         my $randomstring;
 387         $randomstring .= $chars[rand @chars] for 1..8;
 388         return $randomstring;
 389 }
 390
 391 sub coupons() {
 392         &Header::openbox('100%', 'left', $Lang::tr{'Captive generate coupon'});
 393         print <<END;
 394                 <form method='post' action='$ENV{'SCRIPT_NAME'}'>
 395                         <table border='0' width='100%'>
 396                                 <tr>
 397                                         <td width='30%'>
 398                                                 $Lang::tr{'Captive vouchervalid'}
 399                                         </td>
 400                                         <td width='70%'>
 401                                                 <table class='tbl' border='0' width='100%'>
 402                                                         <tr>
 403                                                                 <th>$Lang::tr{'hours'}</th>
 404                                                                 <th>$Lang::tr{'days'}</th>
 405                                                                 <th>$Lang::tr{'weeks'}</th>
 406                                                                 <th>$Lang::tr{'months'}</th>
 407                                                                 <th></th>
 408                                                         </tr>
 409 END
 410
 411                 #print hour-dropdownbox
 412                 my $hrs=3600;
 413                 print "<tr height='40px'><td><select name='EXP_HOUR' style='width:8em;'>";
 414                 print "<option value='0' ";
 415                 print " selected='selected'" if ($settings{'EXP_HOUR'} eq '0');
 416                 print ">--</option>";
 417                 for (my $i = 1; $i<25; $i++){
 418                         my $exp_sec = $i * $hrs;
 419                         print "<option value='$exp_sec' ";
 420                         print " selected='selected'" if ($settings{'EXP_HOUR'} eq $exp_sec);
 421                         print ">$i</option>";
 422                 }
 423                 print "</td><td>";
 424
 425                 #print day-dropdownbox
 426                 my $days=3600*24;
 427                 print "<select name='EXP_DAY' style='width:8em;'>";
 428                 print "<option value='0' ";
 429                 print " selected='selected'" if ($settings{'EXP_DAY'} eq '0');
 430                 print ">--</option>";
 431                 for (my $i = 1; $i<8; $i++){
 432                         my $exp_sec = $i * $days;
 433                         print "<option value='$exp_sec' ";
 434                         print " selected='selected'" if ($settings{'EXP_DAY'} eq $exp_sec);
 435                         print ">$i</option>";
 436                 }
 437                 print "</td><td>";
 438
 439                 #print week-dropdownbox
 440                 my $week=3600*24*7;
 441                 print "<select name='EXP_WEEK' style='width:8em;'>";
 442                 print "<option value='0' ";
 443                 print " selected='selected'" if ($settings{'EXP_WEEK'} eq '0');
 444                 print ">--</option>";
 445                 for (my $i = 1; $i<5; $i++){
 446                         my $exp_sec = $i * $week;
 447                         print "<option value='$exp_sec' ";
 448                         print " selected='selected'" if ($settings{'EXP_WEEK'} eq $exp_sec);
 449                         print ">$i</option>";
 450                 }
 451                 print "</td><td>";
 452
 453                 #print month-dropdownbox
 454                 my $month=3600*24*30;
 455                 print "<select name='EXP_MONTH' style='width:8em;'>";
 456                 print "<option value='0' ";
 457                 print " selected='selected'" if ($settings{'EXP_MONTH'} eq '0');
 458                 print ">--</option>";
 459                 for (my $i = 1; $i<13; $i++){
 460                         my $exp_sec = $i * $month;
 461                         print "<option value='$exp_sec' ";
 462                         print " selected='selected'" if ($settings{'EXP_MONTH'} eq $exp_sec);
 463                         print ">$i</option>";
 464                 }
 465                 print <<END;
 466                                                                 </td>
 467                                                                 <td>
 468                                                                         <label>
 469                                                                                 <input type='checkbox' name='UNLIMITED' $checked{'UNLIMITED'}{'on'} />
 470                                                                                 $Lang::tr{'Captive nolimit'}
 471                                                                         </label>
 472                                                                 </td>
 473                                                         </tr>
 474                                                 </table>
 475                                         </td>
 476                                 </tr>
 477                                 <tr>
 478                                         <td>$Lang::tr{'remark'}</td>
 479                                         <td>
 480                                                 <input type='text' style='width: 98%;' name='REMARK' align='left'>
 481                                         </td>
 482                                 </tr>
 483                         </table>
 484
 485                         <div align="right">
 486                                 <select name="COUNT">
 487                                         <option value="1">1</option>
 488                                         <option value="2">2</option>
 489                                         <option value="3">3</option>
 490                                         <option value="4">4</option>
 491                                         <option value="5">5</option>
 492                                         <option value="6">6</option>
 493                                         <option value="7">7</option>
 494                                         <option value="8">8</option>
 495                                         <option value="9">9</option>
 496                                         <option value="10">10</option>
 497                                         <option value="20">20</option>
 498                                         <option value="50">50</option>
 499                                         <option value="100">100</option>
 500                                 </select>
 501
 502                                 <input type="submit" name="ACTION" value="$Lang::tr{'Captive generate coupon'}">
 503                         </div>
 504                 </form>
 505 END
 506
 507         &Header::closebox();
 508
 509         # Show all coupons if exist
 510         if (! -z $coupons) {
 511                 &show_coupons();
 512         }
 513
 514         if (! -z $clients) {
 515                 &show_clients();
 516         }
 517 }
 518
 519 sub show_license_connections(){
 520         #if there are active clients, show the box with active connections
 521         return if ( -z $clients || ! -f $clients );
 522         my $count=0;
 523         my $col;
 524         &Header::openbox('100%', 'left', $Lang::tr{'Captive voactive'});
 525 print<<END
 526                 <center><table class='tbl'>
 527                 <tr>
 528                         <th align='center' width='15%'>$Lang::tr{'Captive coupon'}</th><th th align='center' width='15%'>$Lang::tr{'Captive activated'}</th><th th align='center' width='15%'>$Lang::tr{'Captive expire'}</th><th align='center' width='50%'><font size='1'>$Lang::tr{'Captive mac'}</th><th th align='center' width='5%'>$Lang::tr{'delete'}</th></tr>
 529 END
 530 ;
 531         #read all clients from hash and show table
 532         &General::readhasharray($clients, \%clientshash) if (-e $clients);
 533         foreach my $key (keys %clientshash){
 534                 my $starttime = sub{sprintf '%02d.%02d.%04d %02d:%02d', $_[3], $_[4]+1, $_[5]+1900, $_[2], $_[1]  }->(localtime($clientshash{$key}[2]));
 535                 my $endtime;
 536                 if ($clientshash{$key}[3] eq '0'){
 537                         $endtime=$Lang::tr{'Captive nolimit'};
 538                 }else{
 539                         $endtime=sub{sprintf '%02d.%02d.%04d %02d:%02d', $_[3], $_[4]+1, $_[5]+1900, $_[2], $_[1]  }->(localtime($clientshash{$key}[2]+$clientshash{$key}[3]));
 540                 }
 541
 542                 if ($count % 2){
 543                         print" <tr>";
 544                         $col="bgcolor='$color{'color20'}'";
 545                 }else{
 546                         $col="bgcolor='$color{'color22'}'";
 547                         print" <tr>";
 548                 }
 549                 print "<td $col><center>$clientshash{$key}[4]</td><td $col><center>$starttime ";
 550                 print "</center></td><td $col><center>$endtime ";
 551                 print "</td><td $col><center>$clientshash{$key}[0]</td><td $col><form method='post'><center><input type='image' src='/images/delete.gif' align='middle' alt='$Lang::tr{'delete'}' title='$Lang::tr{'delete'}' /><form method='post'><input type='hidden' name='ACTION' value='delete-client' /><input type='hidden' name='key' value='$clientshash{$key}[0]' /></form></tr>";
 552                 $count++;
 553         }
 554
 555         print "</table>";
 556         &Header::closebox();
 557 }
 558
 559 sub show_coupons() {
 560         #if there are already generated but unsused coupons, print a table
 561         my $count=0;
 562         my $col;
 563         &Header::openbox('100%', 'left', $Lang::tr{'Captive vout'});
 564         print<<END
 565                 <center><table class='tbl' border='0'>
 566                 <tr>
 567                         <th align='center' width='15%'>$Lang::tr{'Captive coupon'}</th><th align='center' width='15%'>$Lang::tr{'date'}</th><th th align='center' width='15%'>$Lang::tr{'Captive expire'}</th><th align='center' width='60%'>$Lang::tr{'remark'}</th><th align='center' width='5%'>$Lang::tr{'delete'}</th></tr>
 568 END
 569 ;
 570         &General::readhasharray($coupons, \%couponhash) if (-e $coupons);
 571         foreach my $key (keys %couponhash)
 572         {
 573                 my $starttime = sub{sprintf '%02d.%02d.%04d %02d:%02d', $_[3], $_[4]+1, $_[5]+1900, $_[2], $_[1]  }->(localtime($couponhash{$key}[0]));
 574                 my $endtime;
 575                 if ($couponhash{$key}[2] eq '0'){
 576                         $endtime=$Lang::tr{'Captive nolimit'};
 577                 }else{
 578                         $endtime=sub{sprintf '%02d.%02d.%04d %02d:%02d', $_[3], $_[4]+1, $_[5]+1900, $_[2], $_[1]  }->(localtime(time()+$couponhash{$key}[2]));
 579                 }
 580
 581                 if ($count % 2){
 582                         print" <tr>";
 583                         $col="bgcolor='$color{'color20'}'";
 584                 }else{
 585                         $col="bgcolor='$color{'color22'}'";
 586                         print" <tr>";
 587                 }
 588
 589                 print "<td $col><center><b>$couponhash{$key}[1]</b></td>";
 590                 print "<td $col><center>$starttime</td>";
 591                 print "<td $col><center>$endtime</td>";
 592                 print "<td $col align='center'>$couponhash{$key}[3]</td>";
 593                 print "<td $col><form method='post'><center><input type='image' src='/images/delete.gif' align='middle' alt='$Lang::tr{'delete'}' title='$Lang::tr{'delete'}' /><form method='post'><input type='hidden' name='ACTION' value='delete-coupon' /><input type='hidden' name='key' value='$couponhash{$key}[0]' /></form></tr>";
 594                 $count++;
 595         }
 596
 597         print "</table>";
 598         &Header::closebox();
 599 }
 600
 601 sub show_clients() {
 602         #if there are active clients which use coupons show table
 603         return if ( -z $clients || ! -f $clients );
 604         my $count=0;
 605         my $col;
 606         &Header::openbox('100%', 'left', $Lang::tr{'Captive voactive'});
 607 print<<END
 608         <center><table class='tbl' width='100%'>
 609                 <tr>
 610                         <th align='center' width='15%'>$Lang::tr{'Captive coupon'}</th><th th align='center' width='15%'>$Lang::tr{'Captive activated'}</th><th align='center' width='15%'>$Lang::tr{'Captive expire'}</th><th align='center' width='10%'>$Lang::tr{'Captive mac'}</th><th align='center' width='43%'>$Lang::tr{'remark'}</th><th th align='center' width='5%'>$Lang::tr{'delete'}</th></tr>
 611 END
 612 ;
 613         &General::readhasharray($clients, \%clientshash) if (-e $clients);
 614         foreach my $key (keys %clientshash)
 615         {
 616                 #calculate time from clientshash (starttime)
 617                 my $starttime = sub{sprintf '%02d.%02d.%04d %02d:%02d', $_[3], $_[4]+1, $_[5]+1900, $_[2], $_[1]  }->(localtime($clientshash{$key}[2]));
 618                 #calculate endtime from clientshash
 619                 my $endtime;
 620                 if ($clientshash{$key}[3] eq '0'){
 621                         $endtime=$Lang::tr{'Captive nolimit'};
 622                 }else{
 623                         $endtime = sub{sprintf '%02d.%02d.%04d %02d:%02d', $_[3], $_[4]+1, $_[5]+1900, $_[2], $_[1]  }->(localtime($clientshash{$key}[2]+$clientshash{$key}[3]));
 624                 }
 625
 626                         if ($count % 2){
 627                                 print" <tr>";
 628                                 $col="bgcolor='$color{'color20'}'";
 629                         }else{
 630                                 $col="bgcolor='$color{'color22'}'";
 631                                 print" <tr>";
 632                         }
 633
 634                         print "<td $col><center><b>$clientshash{$key}[4]</b></td><td $col><center>$starttime ";
 635                         print "</center></td><td $col><center>$endtime</center></td><td $col><center>$clientshash{$key}[0]</td><td $col><center>$clientshash{$key}[5]</center>";
 636                         print "</td><td $col><form method='post'><center><input type='image' src='/images/delete.gif' align='middle' alt='$Lang::tr{'delete'}' title='$Lang::tr{'delete'}' /><form method='post'><input type='hidden' name='ACTION' value='delete-client' /><input type='hidden' name='key' value='$clientshash{$key}[0]' /></form></tr>";
 637                         $count++;
 638         }
 639
 640         print "</table>";
 641         &Header::closebox();
 642 }
 643
 644 sub validremark
 645 {
 646         # Checks a hostname against RFC1035
 647         my $remark = $_[0];
 648         # Each part should be at least two characters in length
 649         # but no more than 63 characters
 650         if (length ($remark) < 1 || length ($remark) > 255) {
 651                 return 0;}
 652         # Only valid characters are a-z, A-Z, 0-9 and -
 653         if ($remark !~ /^[a-zäöüA-ZÖÄÜ0-9-.:;\|_()\/\s]*$/) {
 654                 return 0;}
 655         # First character can only be a letter or a digit
 656         if (substr ($remark, 0, 1) !~ /^[a-zäöüA-ZÖÄÜ0-9]*$/) {
 657                 return 0;}
 658         # Last character can only be a letter or a digit
 659         if (substr ($remark, -1, 1) !~ /^[a-zöäüA-ZÖÄÜ0-9.:;_)]*$/) {
 660                 return 0;}
 661         return 1;
 662 }
 663
 664 &Header::closebigbox();
 665 &Header::closepage();