]>
git.ipfire.org Git - people/pmueller/ipfire-2.x.git/blob - html/cgi-bin/captive.cgi
2 ###############################################################################
4 # IPFire.org - A linux based firewall #
5 # Copyright (C) 2016 IPFire Team <alexander.marx@ipfire.org> #
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. #
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. #
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/>. #
20 ###############################################################################
26 # enable only the following on debugging purpose
28 #use CGI::Carp 'fatalsToBrowser';
30 require '/var/ipfire/general-functions.pl' ;
31 require "${General::swroot}/lang.pl" ;
32 require "${General::swroot}/header.pl" ;
41 my $voucherout = "${General::swroot}/captive/voucher_out" ;
42 my $clients = "${General::swroot}/captive/clients" ;
45 my $settingsfile = "${General::swroot}/captive/settings" ;
46 my $logopath = "/srv/web/ipfire/html/captive/logo" ;
47 unless (- e
$settingsfile ) { system ( "touch $settingsfile " ); }
48 unless (- e
$voucherout ) { system ( "touch $voucherout " ); }
50 & Header
:: getcgihash
( \
%cgiparams );
52 & General
:: readhash
( "${General::swroot}/main/settings" , \
%mainsettings );
53 & General
:: readhash
( "/srv/web/ipfire/html/themes/" . $mainsettings { 'THEME' }. "/include/colors.txt" , \
%color );
54 & General
:: readhash
( " $settingsfile " , \
%settings ) if (- f
$settingsfile );
55 & General
:: readhash
( "${General::swroot}/ethernet/settings" , \
%netsettings );
57 & Header
:: showhttpheaders
();
60 if ( $cgiparams { 'ACTION' } eq " $Lang ::tr{'save'}" ){
62 if ( $cgiparams { 'EXP_HOUR' }+ $cgiparams { 'EXP_DAY' }+ $cgiparams { 'EXP_WEEK' }+ $cgiparams { 'EXP_MONTH' } == 0 && $cgiparams { 'UNLIMITED' } == '' ){
63 $errormessage = $Lang :: tr
{ 'Captive noexpiretime' };
66 my $file = $cgiparams { 'uploaded_file' };
68 #Check if extension is png
70 my ( $name , $path , $ext ) = fileparse
( $file , qr/\.[^.]*$/ );
72 $errormessage = $Lang :: tr
{ 'Captive wrong ext' };
76 #Check if we need to upload a new logo
79 my ( $filehandle ) = CGI
:: upload
( 'uploaded_file' );
80 open ( UPLOADFILE
, "> $logopath /logo.png" );
82 while ( < $filehandle > ) {
87 #Open file to check if dimensions are within rang
88 open ( PNG
, "< $logopath /logo.png" );
92 my ( $width , $height )=& pngsize
( $PNG1 );
93 if ( $width > 1920 || $height > 800 || $width < 1280 || $height < 400 ){
94 $errormessage .= " $Lang ::tr{'Captive invalid logosize'} <br>Filedimensions width: $width height: $height " ;
95 unlink ( " $logopath /logo.png" );
99 #saves the Captiveportal settings to disk
100 if ( $cgiparams { 'UNLIMITED' } eq 'on' ){
101 $cgiparams { 'EXP_HOUR' } = '0' ;
102 $cgiparams { 'EXP_DAY' } = '0' ;
103 $cgiparams { 'EXP_WEEK' } = '0' ;
104 $cgiparams { 'EXP_MONTH' } = '0' ;
107 $settings { 'ENABLE_GREEN' } = $cgiparams { 'ENABLE_GREEN' };
108 $settings { 'ENABLE_BLUE' } = $cgiparams { 'ENABLE_BLUE' };
109 $settings { 'AUTH' } = $cgiparams { 'AUTH' };
110 $settings { 'EXPIRE' } = $cgiparams { 'EXP_HOUR' }+ $cgiparams { 'EXP_DAY' }+ $cgiparams { 'EXP_WEEK' }+ $cgiparams { 'EXP_MONTH' };
111 $settings { 'EXP_HOUR' } = $cgiparams { 'EXP_HOUR' };
112 $settings { 'EXP_DAY' } = $cgiparams { 'EXP_DAY' };
113 $settings { 'EXP_WEEK' } = $cgiparams { 'EXP_WEEK' };
114 $settings { 'EXP_MONTH' } = $cgiparams { 'EXP_MONTH' };
115 $settings { 'TITLE' } = $cgiparams { 'TITLE' };
116 $settings { 'UNLIMITED' } = $cgiparams { 'UNLIMITED' };
117 & General
:: writehash
( " $settingsfile " , \
%settings );
119 #write Licensetext if defined
120 if ( $cgiparams { 'AGB' }){
121 $cgiparams { 'AGB' } = & Header
:: escape
( $cgiparams { 'AGB' });
122 open ( FH
, ">:utf8" , "/var/ipfire/captive/agb.txt" ) or die ( "$!" );
123 print FH
$cgiparams { 'AGB' };
125 $cgiparams { 'AGB' }= "" ;
127 #execute binary to reload firewall rules
128 system ( "/usr/local/bin/captivectrl" );
132 if ( $cgiparams { 'ACTION' } eq " $Lang ::tr{'Captive voucherout'}" ){
133 #generates a voucher and writes it to /var/ipfire/voucher_out
135 #check if we already have a voucher with same code
136 & General
:: readhasharray
( " $voucherout " , \
%voucherhash );
137 foreach my $key ( keys %voucherhash ) {
138 if ( $voucherhash { $key }[ 1 ] eq $cgiparams { 'CODE' }){
139 $errormessage = $Lang :: tr
{ 'Captive err doublevoucher' };
145 if ( $cgiparams { 'REMARK' } ne '' && !& validremark
( $cgiparams { 'REMARK' })){
146 $errormessage = $Lang :: tr
{ 'fwhost err remark' };
149 #if no error detected, write to disk
151 my $date = time (); #seconds in utc
153 #first get new key from hash
154 my $key =& General
:: findhasharraykey
( \
%voucherhash );
155 #initialize all fields with ''
156 foreach my $i ( 0 .. 3 ) { $voucherhash { $key }[ $i ] = "" ;}
158 $voucherhash { $key }[ 0 ] = $date ;
159 $voucherhash { $key }[ 1 ] = $cgiparams { 'CODE' };
160 $voucherhash { $key }[ 2 ] = $settings { 'EXPIRE' };
161 $voucherhash { $key }[ 3 ] = $cgiparams { 'REMARK' };
162 #write values to disk
163 & General
:: writehasharray
( " $voucherout " , \
%voucherhash );
165 #now prepare log entry, get expiring date for voucher and decode remark for logfile
166 my $expdate = localtime ( time ()+ $voucherhash { $key }[ 3 ]);
167 my $rem = HTML
:: Entities
:: decode_entities
( $voucherhash { $key }[ 4 ]);
170 & General
:: log ( "Captive" , "Generated new voucher $voucherhash { $key }[1] $voucherhash { $key }[2] hours valid expires on $expdate remark $rem " );
174 if ( $cgiparams { 'ACTION' } eq 'delvoucherout' ){
175 #deletes an already generated but unused voucher
177 #read all generated vouchers
178 & General
:: readhasharray
( " $voucherout " , \
%voucherhash );
179 foreach my $key ( keys %voucherhash ) {
180 if ( $cgiparams { 'key' } eq $voucherhash { $key }[ 0 ]){
181 #write logenty with decoded remark
182 my $rem = HTML
:: Entities
:: decode_entities
( $voucherhash { $key }[ 4 ]);
183 & General
:: log ( "Captive" , "Delete unused voucher $voucherhash { $key }[1] $voucherhash { $key }[2] hours valid expires on $voucherhash { $key }[3] remark $rem " );
184 #delete line from hash
185 delete $voucherhash { $key };
190 & General
:: writehasharray
( " $voucherout " , \
%voucherhash );
193 if ( $cgiparams { 'ACTION' } eq 'delvoucherinuse' ){
194 #delete voucher and connection in use
196 #read all active clients
197 & General
:: readhasharray
( " $clients " , \
%clientshash );
198 foreach my $key ( keys %clientshash ) {
199 if ( $cgiparams { 'key' } eq $clientshash { $key }[ 0 ]){
200 #prepare log entry with decoded remark
201 my $rem = HTML
:: Entities
:: decode_entities
( $clientshash { $key }[ 7 ]);
203 & General
:: log ( "Captive" , "Delete voucher in use $clientshash { $key }[1] $clientshash { $key }[2] hours valid expires on $clientshash { $key }[3] remark $rem - Connection will be terminated" );
204 #delete line from hash
205 delete $clientshash { $key };
210 & General
:: writehasharray
( " $clients " , \
%clientshash );
211 #reload firewallrules to kill connection of client
212 system ( "/usr/local/bin/captivectrl" );
215 #open webpage, print header and open box
216 & Header
:: openpage
( $Lang :: tr
{ 'Captive menu' }, 1 , '' );
217 & Header
:: openbigbox
();
219 #call error() to see if we have to print an errormessage on website
222 #call config() to display the configuration box
226 #open textfile from /var/ipfire/captive/agb.txt
227 open ( my $handle , "<:utf8" , "/var/ipfire/captive/agb.txt" ) or die ( "$!" );
229 #read line by line and print on screen
230 $cgiparams { 'AGB' }.= HTML
:: Entities
:: decode_entities
( $_ );
236 #prints the config box on the website
237 & Header
:: openbox
( '100%' , 'left' , $Lang :: tr
{ 'Captive config' });
239 <form method='post' action=' $ENV {'SCRIPT_NAME'}' enctype="multipart/form-data"> \n
240 <table width='100%' border="0">
244 #check which parameters have to be enabled (from settings file)
245 $checked { 'ENABLE_GREEN' }{ 'off' } = '' ;
246 $checked { 'ENABLE_GREEN' }{ 'on' } = '' ;
247 $checked { 'ENABLE_GREEN' }{ $settings { 'ENABLE_GREEN' }} = "checked='checked'" ;
249 $checked { 'ENABLE_BLUE' }{ 'off' } = '' ;
250 $checked { 'ENABLE_BLUE' }{ 'on' } = '' ;
251 $checked { 'ENABLE_BLUE' }{ $settings { 'ENABLE_BLUE' }} = "checked='checked'" ;
253 $checked { 'UNLIMITED' }{ 'off' } = '' ;
254 $checked { 'UNLIMITED' }{ 'on' } = '' ;
255 $checked { 'UNLIMITED' }{ $settings { 'UNLIMITED' }} = "checked='checked'" ;
257 if ( $netsettings { 'GREEN_DEV' }){
258 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>" ;
260 if ( $netsettings { 'BLUE_DEV' }){
261 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>" ;
268 $Lang ::tr{'Captive title'}
271 <input type='text' name='TITLE' value=" $settings {'TITLE'}" size='40'>
280 $Lang ::tr{'Captive authentication'}
283 <select name='AUTH' style='width:8em;'>
286 print "<option value='LICENSE' " ;
287 print " selected='selected'" if ( $settings { 'AUTH' } eq 'LICENSE' );
288 print "> $Lang ::tr{'Captive auth_lic'}</option>" ;
290 print "<option value='VOUCHER' " ;
291 print " selected='selected'" if ( $settings { 'AUTH' } eq 'VOUCHER' );
292 print "> $Lang ::tr{'Captive auth_vou'}</option>" ;
304 print "<tr><td> $Lang ::tr{'Captive logo_upload'}</td><td><INPUT TYPE='file' NAME='uploaded_file' SIZE=30 MAXLENGTH=80></td></tr><tr>" ;
305 #Show Logo in webinterface with 1/2 size if set
306 if (- f
" $logopath /logo.png" ){
307 print "<td> $Lang ::tr{'Captive logo_set'}</td>" ;
308 print "<td><img src='/captive/logo/logo.png' alt=' $logopath /logo.png' width='25%' height='25%' /></td></tr>" ;
310 print "<td> $Lang ::tr{'Captive logo_set'}</td>" ;
311 print "<td><br> $Lang ::tr{'no'}</td></tr>" ;
313 print "<tr><td> $Lang ::tr{'Captive vouchervalid'}</td><td>" ;
314 print "<br><table border='0' with=100%>" ;
315 print "<th> $Lang ::tr{'hours'}</th><th> $Lang ::tr{'days'}</th><th> $Lang ::tr{'weeks'}</th><th> $Lang ::tr{'months'}</th>" ;
317 #print hour-dropdownbox
319 print "<tr><td><select name='EXP_HOUR' style='width:8em;'>" ;
320 print "<option value='0' " ;
321 print " selected='selected'" if ( $settings { 'EXP_HOUR' } eq '0' );
322 print ">--</option>" ;
323 for ( my $i = 1 ; $i < 25 ; $i ++){
324 my $exp_sec = $i * $hrs ;
325 print "<option value=' $exp_sec ' " ;
326 print " selected='selected'" if ( $settings { 'EXP_HOUR' } eq $exp_sec );
327 print "> $i </option>" ;
331 #print day-dropdownbox
333 print "<select name='EXP_DAY' style='width:8em;'>" ;
334 print "<option value='0' " ;
335 print " selected='selected'" if ( $settings { 'EXP_DAY' } eq '0' );
336 print ">--</option>" ;
337 for ( my $i = 1 ; $i < 8 ; $i ++){
338 my $exp_sec = $i * $days ;
339 print "<option value=' $exp_sec ' " ;
340 print " selected='selected'" if ( $settings { 'EXP_DAY' } eq $exp_sec );
341 print "> $i </option>" ;
345 #print week-dropdownbox
347 print "<select name='EXP_WEEK' style='width:8em;'>" ;
348 print "<option value='0' " ;
349 print " selected='selected'" if ( $settings { 'EXP_WEEK' } eq '0' );
350 print ">--</option>" ;
351 for ( my $i = 1 ; $i < 5 ; $i ++){
352 my $exp_sec = $i * $week ;
353 print "<option value=' $exp_sec ' " ;
354 print " selected='selected'" if ( $settings { 'EXP_WEEK' } eq $exp_sec );
355 print "> $i </option>" ;
359 #print month-dropdownbox
360 my $month = 3600 * 24 * 30 ;
361 print "<select name='EXP_MONTH' style='width:8em;'>" ;
362 print "<option value='0' " ;
363 print " selected='selected'" if ( $settings { 'EXP_MONTH' } eq '0' );
364 print ">--</option>" ;
365 for ( my $i = 1 ; $i < 13 ; $i ++){
366 my $exp_sec = $i * $month ;
367 print "<option value=' $exp_sec ' " ;
368 print " selected='selected'" if ( $settings { 'EXP_MONTH' } eq $exp_sec );
369 print "> $i </option>" ;
373 print "<td> <input type='checkbox' name='UNLIMITED' $checked {'UNLIMITED'}{'on'} /></td><td> <b> $Lang ::tr{'Captive nolimit'}</b></td>" ;
375 print "</tr></table>" ;
382 <input type='submit' name='ACTION' value=" $Lang ::tr{'save'}"/>
393 #if settings is set to use vouchers, the voucher part has to be displayed
394 if ( $settings { 'AUTH' } eq 'VOUCHER' ){
397 #otherwise we show the licensepart
398 & show_license_connections
();
411 <textarea cols="50" rows="10" name="AGB"> $cgiparams {'AGB'}</textarea>
419 #generate a random code only letters from A-Z except 'O' and 0-9
420 my @chars = ( "A" .. "N" , "P" .. "Z" , "0" .. "9" );
422 $randomstring .= $chars [ rand @chars ] for 1 . .8 ;
423 return $randomstring ;
428 #calculate expiredate
430 if ( $settings { 'UNLIMITED' } eq 'on' ){
431 $expire = $Lang :: tr
{ 'Captive nolimit' };
433 $expire = sub { sprintf ' %02d . %02d . %04d %02d : %02d ' , $_ [ 3 ], $_ [ 4 ]+ 1 , $_ [ 5 ]+ 1900 , $_ [ 2 ], $_ [ 1 ] }->( localtime ( time ()+ $settings { 'EXPIRE' }));
436 & Header
:: openbox
( '100%' , 'left' , $Lang :: tr
{ 'Captive voucher' });
438 <form method='post' action=' $ENV {'SCRIPT_NAME'}'>
441 <th align='center' width='20%'> $Lang ::tr{'Captive voucher'}</th><th th align='center' width='25%'> $Lang ::tr{'Captive expire'}</th><th align='center' width='55%'> $Lang ::tr{'remark'}</th></tr>
445 $cgiparams { 'CODE' } = & gencode
();
446 print "<tr><td><center><b><font size='5'> $cgiparams {'CODE'}</font></b></center></td><td><center><font size='3'> $expire </font></center></td><td><input type='text' name='REMARK' align='left' size='80'></td></tr>" ;
447 print "</table><br>" ;
448 print "<center><input type='submit' name='ACTION' value=' $Lang ::tr{'Captive voucherout'}'><input type='hidden' name='CODE' value=' $cgiparams {'CODE'}'</center></form>" ;
450 if (! - z
$voucherout ) { & show_voucher_out
();}
451 if (! - z
$clients ) { & show_voucher_in_use
();}
454 sub show_license_connections
(){
455 #if there are active clients, show the box with active connections
456 return if ( - z
$clients || ! - f
$clients );
459 & Header
:: openbox
( '100%' , 'left' , $Lang :: tr
{ 'Captive voactive' });
461 <center><table class='tbl'>
463 <th align='center' width='15%'> $Lang ::tr{'Captive voucher'}</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>
466 #read all clients from hash and show table
467 & General
:: readhasharray
( " $clients " , \
%clientshash );
468 foreach my $key ( keys %clientshash ){
469 my $starttime = sub { sprintf ' %02d . %02d . %04d %02d : %02d ' , $_ [ 3 ], $_ [ 4 ]+ 1 , $_ [ 5 ]+ 1900 , $_ [ 2 ], $_ [ 1 ] }->( localtime ( $clientshash { $key }[ 2 ]));
471 if ( $clientshash { $key }[ 3 ] eq '0' ){
472 $endtime = $Lang :: tr
{ 'Captive nolimit' };
474 $endtime = sub { sprintf ' %02d . %02d . %04d %02d : %02d ' , $_ [ 3 ], $_ [ 4 ]+ 1 , $_ [ 5 ]+ 1900 , $_ [ 2 ], $_ [ 1 ] }->( localtime ( $clientshash { $key }[ 2 ]+ $clientshash { $key }[ 3 ]));
479 $col = "bgcolor=' $color {'color20'}'" ;
481 $col = "bgcolor=' $color {'color22'}'" ;
484 print "<td $col ><center> $clientshash { $key }[4]</td><td $col ><center> $starttime " ;
485 print "</center></td><td $col ><center> $endtime " ;
486 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='delvoucherinuse' /><input type='hidden' name='key' value=' $clientshash { $key }[0]' /></form></tr>" ;
494 sub show_voucher_out
(){
495 #if there are already generated but unsused vouchers, print a table
496 return if ( - z
$voucherout );
499 & Header
:: openbox
( '100%' , 'left' , $Lang :: tr
{ 'Captive vout' });
501 <center><table class='tbl' border='0'>
503 <th align='center' width='15%'> $Lang ::tr{'Captive voucher'}</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>
506 & General
:: readhasharray
( " $voucherout " , \
%voucherhash );
507 foreach my $key ( keys %voucherhash )
509 my $starttime = sub { sprintf ' %02d . %02d . %04d %02d : %02d ' , $_ [ 3 ], $_ [ 4 ]+ 1 , $_ [ 5 ]+ 1900 , $_ [ 2 ], $_ [ 1 ] }->( localtime ( $voucherhash { $key }[ 0 ]));
511 if ( $voucherhash { $key }[ 2 ] eq '0' ){
512 $endtime = $Lang :: tr
{ 'Captive nolimit' };
514 $endtime = sub { sprintf ' %02d . %02d . %04d %02d : %02d ' , $_ [ 3 ], $_ [ 4 ]+ 1 , $_ [ 5 ]+ 1900 , $_ [ 2 ], $_ [ 1 ] }->( localtime ( time ()+ $voucherhash { $key }[ 2 ]));
519 $col = "bgcolor=' $color {'color20'}'" ;
521 $col = "bgcolor=' $color {'color22'}'" ;
525 print "<td $col ><center><b> $voucherhash { $key }[1]</b></td>" ;
526 print "<td $col ><center> $starttime </td>" ;
527 print "<td $col ><center> $endtime </td>" ;
528 print "<td $col align='center'> $voucherhash { $key }[3]</td>" ;
529 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='delvoucherout' /><input type='hidden' name='key' value=' $voucherhash { $key }[0]' /></form></tr>" ;
537 sub show_voucher_in_use
(){
538 #if there are active clients which use vouchers show table
539 return if ( - z
$clients || ! - f
$clients );
542 & Header
:: openbox
( '100%' , 'left' , $Lang :: tr
{ 'Captive voactive' });
544 <center><table class='tbl' width='100%'>
546 <th align='center' width='15%'> $Lang ::tr{'Captive voucher'}</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>
549 & General
:: readhasharray
( " $clients " , \
%clientshash );
550 foreach my $key ( keys %clientshash )
552 #calculate time from clientshash (starttime)
553 my $starttime = sub { sprintf ' %02d . %02d . %04d %02d : %02d ' , $_ [ 3 ], $_ [ 4 ]+ 1 , $_ [ 5 ]+ 1900 , $_ [ 2 ], $_ [ 1 ] }->( localtime ( $clientshash { $key }[ 2 ]));
554 #calculate endtime from clientshash
556 if ( $clientshash { $key }[ 3 ] eq '0' ){
557 $endtime = $Lang :: tr
{ 'Captive nolimit' };
559 $endtime = sub { sprintf ' %02d . %02d . %04d %02d : %02d ' , $_ [ 3 ], $_ [ 4 ]+ 1 , $_ [ 5 ]+ 1900 , $_ [ 2 ], $_ [ 1 ] }->( localtime ( $clientshash { $key }[ 2 ]+ $clientshash { $key }[ 3 ]));
564 $col = "bgcolor=' $color {'color20'}'" ;
566 $col = "bgcolor=' $color {'color22'}'" ;
570 print "<td $col ><center><b> $clientshash { $key }[4]</b></td><td $col ><center> $starttime " ;
571 print "</center></td><td $col ><center> $endtime </center></td><td $col ><center> $clientshash { $key }[0]</td><td $col ><center> $clientshash { $key }[5]</center>" ;
572 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='delvoucherinuse' /><input type='hidden' name='key' value=' $clientshash { $key }[0]' /></form></tr>" ;
582 # Checks a hostname against RFC1035
584 # Each part should be at least two characters in length
585 # but no more than 63 characters
586 if ( length ( $remark ) < 1 || length ( $remark ) > 255 ) {
588 # Only valid characters are a-z, A-Z, 0-9 and -
589 if ( $remark !~ /^[a-zäöüA-ZÖÄÜ0-9-.:;\|_()\/ \s
]*$/) {
591 # First character can only be a letter or a digit
592 if ( substr ( $remark , 0 , 1 ) !~ /^[a-zäöüA-ZÖÄÜ0-9]*$/ ) {
594 # Last character can only be a letter or a digit
595 if ( substr ( $remark , - 1 , 1 ) !~ /^[a-zöäüA-ZÖÄÜ0-9.:;_)]*$/ ) {
602 my ( $width , $height ) = ( undef , undef );
604 if ( $Buffer =~ /IHDR(.{8})/ ) {
606 ( $width , $height ) = unpack ( "NN" , $PNG );
611 return ( $width , $height );
615 #if an errormessage exits, show a box with errormessage
617 & Header
:: openbox
( '100%' , 'left' , $Lang :: tr
{ 'error messages' });
618 print "<class name='base'> $errormessage \n " ;
619 print " </class> \n " ;
624 & Header
:: closebigbox
();
625 & Header
:: closepage
();