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captive: Save logo in /var/ipfire/captive
[people/pmueller/ipfire-2.x.git] / html / cgi-bin / captive.cgi
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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
b32d9e92 22#use strict;
8b920789 23use HTML::Entities();
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24use File::Basename;
25
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26# enable only the following on debugging purpose
27#use warnings;
28#use CGI::Carp 'fatalsToBrowser';
29
30require '/var/ipfire/general-functions.pl';
31require "${General::swroot}/lang.pl";
32require "${General::swroot}/header.pl";
e14adf75 33
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34my %selected = ();
35
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36my $coupons = "${General::swroot}/captive/coupons";
37my %couponhash = ();
38
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39my $logo = "${General::swroot}/captive/logo.dat";
40
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41my %settings=();
42my %mainsettings;
43my %color;
44my %cgiparams=();
45my %netsettings=();
46my %checked=();
47my $errormessage='';
8b920789 48my $clients="${General::swroot}/captive/clients";
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49my %clientshash=();
50my $settingsfile="${General::swroot}/captive/settings";
e14adf75 51unless (-e $settingsfile) { system("touch $settingsfile"); }
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52
53&Header::getcgihash(\%cgiparams);
54
55&General::readhash("${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#actions
63if ($cgiparams{'ACTION'} eq "$Lang::tr{'save'}"){
e2752bfe 64 my $file = $cgiparams{'logo'};
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65 if ($file){
66 #Check if extension is png
67 chomp $file;
68 my ($name, $path, $ext) = fileparse($file, qr/\.[^.]*$/);
69 if ($ext ne ".png"){
70 $errormessage=$Lang::tr{'Captive wrong ext'};
71 }
c7e78cc6 72 }
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73
74 $settings{'ENABLE_GREEN'} = $cgiparams{'ENABLE_GREEN'};
75 $settings{'ENABLE_BLUE'} = $cgiparams{'ENABLE_BLUE'};
76 $settings{'AUTH'} = $cgiparams{'AUTH'};
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77 $settings{'TITLE'} = $cgiparams{'TITLE'};
78 $settings{'UNLIMITED'} = $cgiparams{'UNLIMITED'};
f8d35875 79 $settings{'COLOR'} = $cgiparams{'COLOR'};
278309b9 80 $settings{'SESSION_TIME'} = $cgiparams{'SESSION_TIME'};
6945954c 81
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82 if (!$errormessage){
83 #Check if we need to upload a new logo
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84 if ($file) {
85 # Save logo
86 my ($filehandle) = CGI::upload("logo");
87
88 # XXX check filesize
89
90 open(FILE, ">$logo");
b32d9e92 91 binmode $filehandle;
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92 while (<$filehandle>) {
93 print FILE;
b32d9e92 94 }
e2752bfe 95 close(FILE);
b32d9e92 96 }
c7e78cc6 97
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98 &General::writehash("$settingsfile", \%settings);
99
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100 # Save terms
101 if ($cgiparams{'TERMS'}){
102 $cgiparams{'TERMS'} = &Header::escape($cgiparams{'TERMS'});
103 open(FH, ">:utf8", "/var/ipfire/captive/terms.txt") or die("$!");
104 print FH $cgiparams{'TERMS'};
105 close(FH);
106 $cgiparams{'TERMS'} = "";
b32d9e92 107 }
9735e167 108
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109 #execute binary to reload firewall rules
110 system("/usr/local/bin/captivectrl");
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111
112 if ($cgiparams{'ENABLE_BLUE'} eq 'on'){
113 system("/usr/local/bin/wirelessctrl");
114 }
8b920789 115 }
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116}
117
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118if ($cgiparams{'ACTION'} eq "$Lang::tr{'Captive generate coupon'}"){
119 # Generates a new coupon
8b920789 120
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121 #calculate expiredate
122 my $expire;
123 if ($settings{'UNLIMITED'} eq 'on'){
124 $expire = $Lang::tr{'Captive nolimit'};
125 }else{
126 $settings{'EXPIRE'} = $cgiparams{'EXP_HOUR'}+$cgiparams{'EXP_DAY'}+$cgiparams{'EXP_WEEK'}+$cgiparams{'EXP_MONTH'};
127 $expire = sub{sprintf '%02d.%02d.%04d %02d:%02d', $_[3], $_[4]+1, $_[5]+1900, $_[2], $_[1] }->(localtime(time()+$settings{'EXPIRE'}));
128 }
129
130 #Check Expiretime
131 if($cgiparams{'EXP_HOUR'}+$cgiparams{'EXP_DAY'}+$cgiparams{'EXP_WEEK'}+$cgiparams{'EXP_MONTH'} == 0 && $cgiparams{'UNLIMITED'} == ''){
132 $errormessage=$Lang::tr{'Captive noexpiretime'};
133 }
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134 #check if we already have a coupon with same code
135 &General::readhasharray($coupons, \%couponhash) if (-e $coupons);
136 foreach my $key (keys %couponhash) {
137 if($couponhash{$key}[1] eq $cgiparams{'CODE'}){
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138 $errormessage=$Lang::tr{'Captive err doublevoucher'};
139 last;
140 }
141 }
142
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143 #check valid remark
144 if ($cgiparams{'REMARK'} ne '' && !&validremark($cgiparams{'REMARK'})){
145 $errormessage=$Lang::tr{'fwhost err remark'};
146 }
147
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148 #if no error detected, write to disk
149 if (!$errormessage){
150 my $date=time(); #seconds in utc
151
152 #first get new key from hash
97b91e8a 153 my $key=&General::findhasharraykey (\%couponhash);
8b920789 154 #initialize all fields with ''
97b91e8a 155 foreach my $i (0 .. 3) { $couponhash{$key}[$i] = "";}
8b920789 156 #define fields
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157 $couponhash{$key}[0] = $date;
158 $couponhash{$key}[1] = $cgiparams{'CODE'};
159 $couponhash{$key}[2] = $settings{'EXPIRE'};
160 $couponhash{$key}[3] = $cgiparams{'REMARK'};
8b920789 161 #write values to disk
97b91e8a 162 &General::writehasharray($coupons, \%couponhash);
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163
164 #now prepare log entry, get expiring date for voucher and decode remark for logfile
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165 my $expdate=localtime(time()+$couponhash{$key}[3]);
166 my $rem=HTML::Entities::decode_entities($couponhash{$key}[4]);
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167
168 #write logfile entry
97b91e8a 169 &General::log("Captive", "Generated new coupon $couponhash{$key}[1] $couponhash{$key}[2] hours valid expires on $expdate remark $rem");
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170 }
171}
172
97b91e8a 173if ($cgiparams{'ACTION'} eq 'delete-coupon') {
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174 #deletes an already generated but unused voucher
175
176 #read all generated vouchers
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177 &General::readhasharray($coupons, \%couponhash) if (-e $coupons);
178 foreach my $key (keys %couponhash) {
179 if($cgiparams{'key'} eq $couponhash{$key}[0]){
8b920789 180 #write logenty with decoded remark
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181 my $rem=HTML::Entities::decode_entities($couponhash{$key}[4]);
182 &General::log("Captive", "Delete unused coupon $couponhash{$key}[1] $couponhash{$key}[2] hours valid expires on $couponhash{$key}[3] remark $rem");
8b920789 183 #delete line from hash
97b91e8a 184 delete $couponhash{$key};
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185 last;
186 }
187 }
188 #write back hash
97b91e8a 189 &General::writehasharray($coupons, \%couponhash);
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190}
191
97b91e8a 192if ($cgiparams{'ACTION'} eq 'delete-client') {
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193 #delete voucher and connection in use
194
195 #read all active clients
97b91e8a 196 &General::readhasharray($clients, \%clientshash) if (-e $clients);
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197 foreach my $key (keys %clientshash) {
198 if($cgiparams{'key'} eq $clientshash{$key}[0]){
199 #prepare log entry with decoded remark
200 my $rem=HTML::Entities::decode_entities($clientshash{$key}[7]);
201 #write logentry
97b91e8a 202 &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");
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203 #delete line from hash
204 delete $clientshash{$key};
205 last;
206 }
207 }
208 #write back hash
209 &General::writehasharray("$clients", \%clientshash);
210 #reload firewallrules to kill connection of client
211 system("/usr/local/bin/captivectrl");
212}
213
214#open webpage, print header and open box
215&Header::openpage($Lang::tr{'Captive menu'}, 1, '');
216&Header::openbigbox();
217
218#call error() to see if we have to print an errormessage on website
219&error();
220
221#call config() to display the configuration box
222&config();
223
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224sub getterms(){
225 my @ret;
226
227 open(FILE, "<:utf8", "/var/ipfire/captive/terms.txt");
228 while(<FILE>) {
229 push(@ret, HTML::Entities::decode_entities($_));
230 }
231 close(FILE);
232
233 return join(/\n/, @ret);
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234}
235
236sub config(){
237 #prints the config box on the website
238 &Header::openbox('100%', 'left', $Lang::tr{'Captive config'});
239 print <<END
b32d9e92 240 <form method='post' action='$ENV{'SCRIPT_NAME'}' enctype="multipart/form-data">\n
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241 <table width='100%' border="0">
242 <tr>
243END
244;
245 #check which parameters have to be enabled (from settings file)
246 $checked{'ENABLE_GREEN'}{'off'} = '';
247 $checked{'ENABLE_GREEN'}{'on'} = '';
248 $checked{'ENABLE_GREEN'}{$settings{'ENABLE_GREEN'}} = "checked='checked'";
e01c5ab7 249
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250 $checked{'ENABLE_BLUE'}{'off'} = '';
251 $checked{'ENABLE_BLUE'}{'on'} = '';
252 $checked{'ENABLE_BLUE'}{$settings{'ENABLE_BLUE'}} = "checked='checked'";
253
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254 $checked{'UNLIMITED'}{'off'} = '';
255 $checked{'UNLIMITED'}{'on'} = '';
256 $checked{'UNLIMITED'}{$settings{'UNLIMITED'}} = "checked='checked'";
257
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258 if ($netsettings{'GREEN_DEV'}){
259 print "<td width='30%'>$Lang::tr{'Captive active on'} <font color='$Header::colourgreen'>Green</font></td><td><input type='checkbox' name='ENABLE_GREEN' $checked{'ENABLE_GREEN'}{'on'} /></td></tr>";
260 }
261 if ($netsettings{'BLUE_DEV'}){
262 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>";
263 }
e01c5ab7 264
e01c5ab7 265print<<END
297ebdd4 266 </tr>
8b920789 267 <tr>
827d3f61 268 <td>
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269 $Lang::tr{'Captive authentication'}
270 </td>
827d3f61 271 <td>
9735e167 272 <select name='AUTH'>
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273END
274;
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275 print "<option value='TERMS' ";
276 print " selected='selected'" if ($settings{'AUTH'} eq 'TERMS');
277 print ">$Lang::tr{'Captive terms'}</option>";
e01c5ab7 278
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279 print "<option value='COUPON' ";
280 print " selected='selected'" if ($settings{'AUTH'} eq 'COUPON');
281 print ">$Lang::tr{'Captive coupon'}</option>";
e01c5ab7 282
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283 print<<END
284 </select>
285 </td>
286 </tr>
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287END
288;
9735e167 289 if ($settings{'AUTH'} eq 'TERMS') {
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290 $selected{'SESSION_TIME'} = ();
291 $selected{'SESSION_TIME'}{'0'} = "";
292 $selected{'SESSION_TIME'}{'3600'} = "";
293 $selected{'SESSION_TIME'}{'86400'} = "";
294 $selected{'SESSION_TIME'}{'604800'} = "";
295 $selected{'SESSION_TIME'}{'18144000'} = "";
296 $selected{'SESSION_TIME'}{$settings{'SESSION_TIME'}} = "selected";
297
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298 my $terms = &getterms();
299 print <<END;
300 <tr>
301 <td></td>
302 <td>
303 <textarea cols="50" rows="10" name="TERMS">$terms</textarea>
304 </td>
305 </tr>
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306
307 <tr>
308 <td>$Lang::tr{'Captive client session expiry time'}</td>
309 <td>
310 <select name="SESSION_TIME">
311 <option value="0" $selected{'SESSION_TIME'}{'0'}>- $Lang::tr{'unlimited'} -</option>
312 <option value="3600" $selected{'SESSION_TIME'}{'3600'}>$Lang::tr{'one hour'}</option>
313 <option value="86400" $selected{'SESSION_TIME'}{'86400'}>$Lang::tr{'24 hours'}</option>
314 <option value="604800" $selected{'SESSION_TIME'}{'604800'}>$Lang::tr{'one week'}</option>
315 <option value="18144000" $selected{'SESSION_TIME'}{'18144000'}>$Lang::tr{'one month'}</option>
316 </select>
317 </td>
318 </tr>
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319END
320 }
8b920789 321
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322 print<<END;
323 <tr>
324 <td colspan="2">
325 <br>
326 <strong>$Lang::tr{'Captive branding'}</strong>
327 </td>
328 </tr>
329 <tr>
330 <td>
331 $Lang::tr{'Captive title'}
332 </td>
333 <td>
334 <input type='text' name='TITLE' value="$settings{'TITLE'}" size='40'>
335 </td>
336 </tr>
337 <tr>
338 <td>$Lang::tr{'Captive brand color'}</td>
339 <td>
340 <input type="color" name="COLOR" value="$settings{'COLOR'}">
341 </td>
342 </tr>
343END
344
e2752bfe 345 # Logo Upload
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346 print <<END;
347 <tr>
348 <td>
349 $Lang::tr{'Captive logo_upload'}
350 <br>
351 $Lang::tr{'Captive logo_upload1'}
352 </td>
353 <td>
e2752bfe 354 <input type="file" name="logo">
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355 </td>
356 </tr>
357END
358
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359 if (-e $logo) {
360 print <<END;
361 <tr>
362 <td>$Lang::tr{'Captive logo uploaded'}</td>
363 <td>$Lang::tr{'yes'}</td>
364 </tr>
365END
b32d9e92 366 }
827d3f61 367
297ebdd4 368 print <<END;
8b920789 369 <tr>
827d3f61 370 <td></td>
8b920789 371 <td align='right'>
827d3f61 372 <input type='submit' name='ACTION' value="$Lang::tr{'save'}"/>
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373 </td>
374 </tr>
297ebdd4 375 </table></form>
8b920789 376END
297ebdd4 377
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378 &Header::closebox();
379
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380 #if settings is set to use coupons, the coupon part has to be displayed
381 if ($settings{'AUTH'} eq 'COUPON'){
382 &coupons();
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383 }else{
384 #otherwise we show the licensepart
385 &show_license_connections();
386 }
387}
388
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389sub gencode(){
390 #generate a random code only letters from A-Z except 'O' and 0-9
391 my @chars = ("A".."N", "P".."Z", "0".."9");
392 my $randomstring;
393 $randomstring .= $chars[rand @chars] for 1..8;
394 return $randomstring;
395}
396
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397sub coupons() {
398 &Header::openbox('100%', 'left', $Lang::tr{'Captive generate coupon'});
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399 print "<form method='post' action='$ENV{'SCRIPT_NAME'}'>";
400 print "<table border='0' width='100%'>";
401 print "<tr><td width='30%'><br>$Lang::tr{'Captive vouchervalid'}</td><td width='70%'><br>";
402
403 print "<table class='tbl' border='0' width='100%'>";
404 print "<th>$Lang::tr{'hours'}</th><th>$Lang::tr{'days'}</th><th>$Lang::tr{'weeks'}</th><th>$Lang::tr{'months'}</th><th></th><th></th>";
405
406 #print hour-dropdownbox
407 my $hrs=3600;
408 print "<tr height='40px'><td><select name='EXP_HOUR' style='width:8em;'>";
409 print "<option value='0' ";
410 print " selected='selected'" if ($settings{'EXP_HOUR'} eq '0');
411 print ">--</option>";
412 for (my $i = 1; $i<25; $i++){
413 my $exp_sec = $i * $hrs;
414 print "<option value='$exp_sec' ";
415 print " selected='selected'" if ($settings{'EXP_HOUR'} eq $exp_sec);
416 print ">$i</option>";
417 }
418 print "</td><td>";
419
420 #print day-dropdownbox
421 my $days=3600*24;
422 print "<select name='EXP_DAY' style='width:8em;'>";
423 print "<option value='0' ";
424 print " selected='selected'" if ($settings{'EXP_DAY'} eq '0');
425 print ">--</option>";
426 for (my $i = 1; $i<8; $i++){
427 my $exp_sec = $i * $days;
428 print "<option value='$exp_sec' ";
429 print " selected='selected'" if ($settings{'EXP_DAY'} eq $exp_sec);
430 print ">$i</option>";
431 }
432 print "</td><td>";
433
434 #print week-dropdownbox
435 my $week=3600*24*7;
436 print "<select name='EXP_WEEK' style='width:8em;'>";
437 print "<option value='0' ";
438 print " selected='selected'" if ($settings{'EXP_WEEK'} eq '0');
439 print ">--</option>";
440 for (my $i = 1; $i<5; $i++){
441 my $exp_sec = $i * $week;
442 print "<option value='$exp_sec' ";
443 print " selected='selected'" if ($settings{'EXP_WEEK'} eq $exp_sec);
444 print ">$i</option>";
445 }
446 print "</td><td>";
447
448 #print month-dropdownbox
449 my $month=3600*24*30;
450 print "<select name='EXP_MONTH' style='width:8em;'>";
451 print "<option value='0' ";
452 print " selected='selected'" if ($settings{'EXP_MONTH'} eq '0');
453 print ">--</option>";
454 for (my $i = 1; $i<13; $i++){
455 my $exp_sec = $i * $month;
456 print "<option value='$exp_sec' ";
457 print " selected='selected'" if ($settings{'EXP_MONTH'} eq $exp_sec);
458 print ">$i</option>";
459 }
460 print "</td>";
461 print "<td>&nbsp;&nbsp;&nbsp;<input type='checkbox' name='UNLIMITED' $checked{'UNLIMITED'}{'on'} /></td><td>&nbsp;<b>$Lang::tr{'Captive nolimit'}</b></td>";
462 print "</tr></table>";
463 print "</td></tr>";
464 print "<tr><td><br>$Lang::tr{'remark'}</td><td><br><input type='text' style='width: 98%;' name='REMARK' align='left'></td></tr>";
465 print "<tr><td>&nbsp</td><td></td></tr></table><br><br>";
8b920789 466 $cgiparams{'CODE'} = &gencode();
97b91e8a 467 print "<div align='right'><input type='submit' name='ACTION' value='$Lang::tr{'Captive generate coupon'}'><input type='hidden' name='CODE' value='$cgiparams{'CODE'}'></form></div>";
08061703 468
8b920789 469 &Header::closebox();
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470
471 # Show all coupons if exist
472 if (! -z $coupons) {
473 &show_coupons();
474 }
475
476 if (! -z $clients) {
477 &show_clients();
478 }
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479}
480
481sub show_license_connections(){
482 #if there are active clients, show the box with active connections
483 return if ( -z $clients || ! -f $clients );
484 my $count=0;
485 my $col;
486 &Header::openbox('100%', 'left', $Lang::tr{'Captive voactive'});
487print<<END
488 <center><table class='tbl'>
489 <tr>
97b91e8a 490 <th align='center' width='15%'>$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>
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491END
492;
493 #read all clients from hash and show table
97b91e8a 494 &General::readhasharray($clients, \%clientshash) if (-e $clients);
8b920789 495 foreach my $key (keys %clientshash){
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496 my $starttime = sub{sprintf '%02d.%02d.%04d %02d:%02d', $_[3], $_[4]+1, $_[5]+1900, $_[2], $_[1] }->(localtime($clientshash{$key}[2]));
497 my $endtime;
498 if ($clientshash{$key}[3] eq '0'){
499 $endtime=$Lang::tr{'Captive nolimit'};
500 }else{
501 $endtime=sub{sprintf '%02d.%02d.%04d %02d:%02d', $_[3], $_[4]+1, $_[5]+1900, $_[2], $_[1] }->(localtime($clientshash{$key}[2]+$clientshash{$key}[3]));
502 }
503
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504 if ($count % 2){
505 print" <tr>";
506 $col="bgcolor='$color{'color20'}'";
507 }else{
508 $col="bgcolor='$color{'color22'}'";
509 print" <tr>";
510 }
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511 print "<td $col><center>$clientshash{$key}[4]</td><td $col><center>$starttime ";
512 print "</center></td><td $col><center>$endtime ";
97b91e8a 513 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>";
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514 $count++;
515 }
516
517 print "</table>";
518 &Header::closebox();
519}
520
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521sub show_coupons() {
522 #if there are already generated but unsused coupons, print a table
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523 my $count=0;
524 my $col;
525 &Header::openbox('100%', 'left', $Lang::tr{'Captive vout'});
526 print<<END
e01c5ab7 527 <center><table class='tbl' border='0'>
8b920789 528 <tr>
97b91e8a 529 <th align='center' width='15%'>$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>
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530END
531;
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532 &General::readhasharray($coupons, \%couponhash) if (-e $coupons);
533 foreach my $key (keys %couponhash)
8b920789 534 {
97b91e8a 535 my $starttime = sub{sprintf '%02d.%02d.%04d %02d:%02d', $_[3], $_[4]+1, $_[5]+1900, $_[2], $_[1] }->(localtime($couponhash{$key}[0]));
c7e78cc6 536 my $endtime;
97b91e8a 537 if ($couponhash{$key}[2] eq '0'){
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538 $endtime=$Lang::tr{'Captive nolimit'};
539 }else{
97b91e8a 540 $endtime=sub{sprintf '%02d.%02d.%04d %02d:%02d', $_[3], $_[4]+1, $_[5]+1900, $_[2], $_[1] }->(localtime(time()+$couponhash{$key}[2]));
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541 }
542
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543 if ($count % 2){
544 print" <tr>";
545 $col="bgcolor='$color{'color20'}'";
546 }else{
547 $col="bgcolor='$color{'color22'}'";
548 print" <tr>";
549 }
c7e78cc6 550
97b91e8a 551 print "<td $col><center><b>$couponhash{$key}[1]</b></td>";
c7e78cc6 552 print "<td $col><center>$starttime</td>";
e01c5ab7 553 print "<td $col><center>$endtime</td>";
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554 print "<td $col align='center'>$couponhash{$key}[3]</td>";
555 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>";
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556 $count++;
557 }
c7e78cc6 558
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559 print "</table>";
560 &Header::closebox();
561}
562
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563sub show_clients() {
564 #if there are active clients which use coupons show table
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565 return if ( -z $clients || ! -f $clients );
566 my $count=0;
567 my $col;
568 &Header::openbox('100%', 'left', $Lang::tr{'Captive voactive'});
569print<<END
c7e78cc6 570 <center><table class='tbl' width='100%'>
8b920789 571 <tr>
97b91e8a 572 <th align='center' width='15%'>$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%'>$Lang::tr{'delete'}</th></tr>
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573END
574;
97b91e8a 575 &General::readhasharray($clients, \%clientshash) if (-e $clients);
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576 foreach my $key (keys %clientshash)
577 {
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578 #calculate time from clientshash (starttime)
579 my $starttime = sub{sprintf '%02d.%02d.%04d %02d:%02d', $_[3], $_[4]+1, $_[5]+1900, $_[2], $_[1] }->(localtime($clientshash{$key}[2]));
580 #calculate endtime from clientshash
581 my $endtime;
582 if ($clientshash{$key}[3] eq '0'){
583 $endtime=$Lang::tr{'Captive nolimit'};
584 }else{
585 $endtime = sub{sprintf '%02d.%02d.%04d %02d:%02d', $_[3], $_[4]+1, $_[5]+1900, $_[2], $_[1] }->(localtime($clientshash{$key}[2]+$clientshash{$key}[3]));
586 }
e01c5ab7 587
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588 if ($count % 2){
589 print" <tr>";
590 $col="bgcolor='$color{'color20'}'";
591 }else{
592 $col="bgcolor='$color{'color22'}'";
593 print" <tr>";
594 }
e01c5ab7 595
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596 print "<td $col><center><b>$clientshash{$key}[4]</b></td><td $col><center>$starttime ";
597 print "</center></td><td $col><center>$endtime</center></td><td $col><center>$clientshash{$key}[0]</td><td $col><center>$clientshash{$key}[5]</center>";
97b91e8a 598 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>";
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599 $count++;
600 }
c7e78cc6 601
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602 print "</table>";
603 &Header::closebox();
604}
605
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606sub validremark
607{
608 # Checks a hostname against RFC1035
609 my $remark = $_[0];
610 # Each part should be at least two characters in length
611 # but no more than 63 characters
612 if (length ($remark) < 1 || length ($remark) > 255) {
613 return 0;}
614 # Only valid characters are a-z, A-Z, 0-9 and -
615 if ($remark !~ /^[a-zäöüA-ZÖÄÜ0-9-.:;\|_()\/\s]*$/) {
616 return 0;}
617 # First character can only be a letter or a digit
618 if (substr ($remark, 0, 1) !~ /^[a-zäöüA-ZÖÄÜ0-9]*$/) {
619 return 0;}
620 # Last character can only be a letter or a digit
621 if (substr ($remark, -1, 1) !~ /^[a-zöäüA-ZÖÄÜ0-9.:;_)]*$/) {
622 return 0;}
623 return 1;
624}
625
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626sub pngsize {
627 my $Buffer = shift;
628 my ($width,$height) = ( undef, undef );
629
630 if ($Buffer =~ /IHDR(.{8})/) {
631 my $PNG = $1;
632 ($width,$height) = unpack( "NN", $PNG );
633 } else {
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634 $width="invalid";
635 $height= "invalid";
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636 };
637 return ($width,$height);
638}
639
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640sub error{
641 #if an errormessage exits, show a box with errormessage
642 if ($errormessage) {
643 &Header::openbox('100%', 'left', $Lang::tr{'error messages'});
644 print "<class name='base'>$errormessage\n";
645 print "&nbsp;</class>\n";
646 &Header::closebox();
647 }
648}
649
650&Header::closebigbox();
651&Header::closepage();