html/cgi-bin/wlanap.cgi

   1 #!/usr/bin/perl
   2 ###############################################################################
   3 #                                                                             #
   4 # IPFire.org - A linux based firewall                                         #
   5 # Copyright (C) 2009  Michael Tremer & Christian Schmidt                      #
   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 # WLAN AP cgi based on wlanap.cgi written by Markus Hoffmann & Olaf Westrik
  23 #
  24
  25 use strict;
  26
  27 # enable only the following on debugging purpose
  28 #use warnings;
  29 #use CGI::Carp 'fatalsToBrowser';
  30
  31 require '/var/ipfire/general-functions.pl';
  32 require '/var/ipfire/lang.pl';
  33 require '/var/ipfire/header.pl';
  34
  35 my $debug = 0;
  36 my $status = '';
  37 my $errormessage = '';
  38 my $status_started = "<td align='center' width='75%' bgcolor='${Header::colourgreen}'><font color='white'><b>$Lang::tr{'running'}</b></font></td></tr>";
  39 my $status_stopped = "<td align='center' width='75%' bgcolor='${Header::colourred}'><font color='white'><b>$Lang::tr{'stopped'}</b></font></td></tr>";
  40
  41 # get rid of used only once warnings
  42 my @onlyonce = ( $Header::colourgreen, $Header::colourred );
  43 undef @onlyonce;
  44
  45 my %selected=();
  46 my %checked=();
  47 my %color = ();
  48 my %mainsettings = ();
  49 my %netsettings=();
  50 my %wlanapsettings=();
  51 my $channel = '';
  52 my $txpower = '';
  53
  54 &General::readhash("${General::swroot}/main/settings", \%mainsettings);
  55 &General::readhash("/srv/web/ipfire/html/themes/".$mainsettings{'THEME'}."/include/colors.txt", \%color);
  56 &General::readhash("/var/ipfire/ethernet/settings", \%netsettings);
  57
  58 $wlanapsettings{'APMODE'} = 'on';
  59 $wlanapsettings{'ACTION'} = '';
  60 $wlanapsettings{'MACMODE'} = '0';
  61 $wlanapsettings{'INTERFACE'} = '';
  62 $wlanapsettings{'SSID'} = 'IPFire';
  63 $wlanapsettings{'HIDESSID'} = 'off';
  64 $wlanapsettings{'ENC'} = 'wpa2';               # none / wpa1 /wpa2
  65 $wlanapsettings{'TXPOWER'} = 'auto';
  66 $wlanapsettings{'CHANNEL'} = '05';
  67 $wlanapsettings{'PWD'} = 'IPFire-2.x';
  68 $wlanapsettings{'SYSLOGLEVEL'} = '0';
  69 $wlanapsettings{'DEBUG'} = '4';
  70 $wlanapsettings{'DRIVER'} = 'MADWIFI';
  71
  72 &General::readhash("/var/ipfire/wlanap/settings", \%wlanapsettings);
  73 &Header::getcgihash(\%wlanapsettings);
  74
  75 my @macs = $wlanapsettings{'MACS'};
  76
  77 delete $wlanapsettings{'__CGI__'};
  78 delete $wlanapsettings{'x'};
  79 delete $wlanapsettings{'y'};
  80 delete $wlanapsettings{'MACS'};
  81 delete $wlanapsettings{'ACCEPT_MACS'};
  82 delete $wlanapsettings{'DENY_MACS'};
  83
  84 &Header::showhttpheaders();
  85
  86 if ( $wlanapsettings{'ACTION'} eq "$Lang::tr{'save'}" ){
  87         # verify WPA Passphrase, must be 8 .. 63 characters
  88         if ( (length($wlanapsettings{'PWD'}) < 8) || (length($wlanapsettings{'PWD'}) > 63) ){
  89                 $errormessage .= "Invalid length in WPA Passphrase. Must be between 8 and 63 characters.<br />";
  90         }
  91
  92         if ( $errormessage eq '' ){
  93                 &General::writehash("/var/ipfire/wlanap/settings", \%wlanapsettings);
  94                 &WriteConfig_hostapd();
  95
  96                 system("/usr/local/bin/wlanapctrl restart >/dev/null 2>&1");
  97         }
  98 }elsif ( $wlanapsettings{'ACTION'} eq "$Lang::tr{'interface'}" ){
  99         &General::writehash("/var/ipfire/wlanap/settings", \%wlanapsettings);
 100 }elsif ( $wlanapsettings{'ACTION'} eq 'Start' ){
 101         system("/usr/local/bin/wlanapctrl start >/dev/null 2>&1");
 102 }elsif ( $wlanapsettings{'ACTION'} eq 'Stop' ){
 103         system("/usr/local/bin/wlanapctrl stop >/dev/null 2>&1");
 104 }elsif ( $wlanapsettings{'ACTION'} eq 'Restart' ){
 105         system("/usr/local/bin/wlanapctrl restart >/dev/null 2>&1");
 106 }
 107
 108 &Header::openpage('WLAN', 1, '', '');
 109 &Header::openbigbox('100%', 'left', '', $errormessage);
 110
 111 if ( $errormessage ){
 112         &Header::openbox('100%', 'center', $Lang::tr{'error messages'});
 113         print "<class name='base'>$errormessage\n";
 114         print "&nbsp;</class>\n";
 115         &Header::closebox();
 116 }
 117
 118
 119 # Found this usefull piece of code in BlockOutTraffic AddOn  8-)
 120 #   fwrules.cgi
 121 ###############
 122 # DEBUG DEBUG
 123 if ( $debug ){
 124         &Header::openbox('100%', 'center', 'DEBUG');
 125         my $debugCount = 0;
 126         foreach my $line (sort keys %wlanapsettings) {
 127                 print "$line = '$wlanapsettings{$line}'<br />\n";
 128                 $debugCount++;
 129         }
 130         print "&nbsp;Count: $debugCount\n";
 131         &Header::closebox();
 132 }
 133 # DEBUG DEBUG
 134 ###############
 135
 136 #
 137 # Driver and status detection
 138 #
 139 my $wlan_card_status = 'dummy';
 140 my $wlan_ap_status = '';
 141 my $message = "";
 142
 143 $selected{'INTERFACE'}{'green0'} = '';
 144 $selected{'INTERFACE'}{'blue0'} = '';
 145 $selected{'ENC'}{$wlanapsettings{'INTERFACE'}} = "selected='selected'";
 146
 147 if ( ($wlanapsettings{'INTERFACE'} eq '') ){
 148         $message = "No WLan Interface selected.";
 149         &Header::openbox('100%', 'center', "WLAN AP");
 150 print <<END
 151 $message<br />
 152 <form method='post' action='$ENV{'SCRIPT_NAME'}'>
 153 <select name='INTERFACE'>
 154         <option value='green0' $selected{'INTERFACE'}{'green0'}>green0</option>
 155 END
 156 ;
 157         if ( $netsettings{'BLUE_DEV'} ne ''){
 158                 print "<option value='blue0' $selected{'INTERFACE'}{'blue0'}>blue0</option>";
 159         }
 160 print <<END
 161 </select>
 162 <br />
 163         <input type='hidden' name='ACTION' value='$Lang::tr{'interface'}' />
 164         <input type='image' alt='$Lang::tr{'save'}' title='$Lang::tr{'save'}' src='/images/media-floppy.png' /></form>
 165 END
 166 ;
 167         &Header::closebox();
 168         &Header::closebigbox();
 169         &Header::closepage();
 170         exit;
 171 }else{
 172         my $cmd_out = `/usr/sbin/iwconfig $wlanapsettings{'INTERFACE'} 2>/dev/null`;
 173
 174         if ( $cmd_out eq '' ){
 175                 $message = "Interface is not a WLAN card.";
 176                 $wlan_card_status = '';
 177         }else{
 178                 $cmd_out = `/sbin/ifconfig | /bin/grep $wlanapsettings{'INTERFACE'}`;
 179                 if ( $cmd_out eq '' ){
 180                         $wlan_card_status = 'down';
 181                 }else{
 182                         $wlan_card_status = 'up';
 183                         $cmd_out = `/usr/sbin/iwconfig $wlanapsettings{'INTERFACE'} | /bin/grep "Mode:Master"`;
 184                         if ( $cmd_out ne '' ){
 185                                 $wlan_ap_status = 'up';
 186                         }
 187                 }
 188         }
 189 }
 190
 191 my $checked_hidessid = '';
 192 $checked_hidessid = "checked='checked'" if ( $wlanapsettings{'HIDESSID'} eq 'on' );
 193
 194 $selected{'ENC'}{$wlanapsettings{'ENC'}} = "selected='selected'";
 195 $selected{'CHANNEL'}{$wlanapsettings{'CHANNEL'}} = "selected='selected'";
 196 $selected{'TXPOWER'}{$wlanapsettings{'TXPOWER'}} = "selected='selected'";
 197 $selected{'MACMODE'}{$wlanapsettings{'MACMODE'}} = "selected='selected'";
 198
 199 my @channellist_cmd = `iwlist $wlanapsettings{'INTERFACE'} channel`;
 200 # get available channels
 201
 202 my @temp;
 203 foreach (@channellist_cmd){
 204 $_ =~ /(.*)Channel (\d+)(.*):/;
 205 $channel = $2;chomp $channel;
 206 if ( $channel =~ /\d+/ ){push(@temp,$channel);}
 207 }
 208 my @channellist = @temp;
 209
 210 my @txpower_cmd = `iwlist $wlanapsettings{'INTERFACE'} txpower`;
 211 # get available channels
 212
 213 my @temp;
 214 foreach (@txpower_cmd){
 215 $_ =~ /(\s)(\d+)(\s)dBm(\s)(.*)(\W)(\d+)(.*)/;
 216 $txpower = $7;chomp $txpower;
 217 if ( $txpower =~ /\d+/ ){push(@temp,$txpower."mW");}
 218 }
 219 my @txpower = @temp;
 220 push(@txpower,"auto");
 221
 222 $selected{'SYSLOGLEVEL'}{$wlanapsettings{'SYSLOGLEVEL'}} = "selected='selected'";
 223 $selected{'DEBUG'}{$wlanapsettings{'DEBUG'}} = "selected='selected'";
 224
 225 #
 226 # Status box
 227 #
 228 &Header::openbox('100%', 'center', "WLAN AP");
 229 print <<END
 230 <table width='95%' cellspacing='0'>
 231 <tr><td bgcolor='$color{'color20'}' colspan='2' align='left'><b>WLAN Services</b></td></tr>
 232 END
 233 ;
 234 if ( $wlan_card_status ne '' ){
 235         print "<tr><td class='base'>WLAN card ($wlanapsettings{'DRIVER'})</td>";
 236         print $wlan_card_status eq 'up' ? $status_started : $status_stopped;
 237         print "<tr><td class='base'>Access Point</td>";
 238         print $wlan_ap_status eq 'up' ? $status_started : $status_stopped;
 239 }else{
 240         print "<tr><td colspan='2' class='base'><b>$message</b></td></tr>";
 241 }
 242 print "</table>";
 243
 244 print <<END
 245 <br />
 246 <table width='95%' cellspacing='0'>
 247 <tr><td align='left' width='40%' />
 248 <td align='center' ><form method='post' action='$ENV{'SCRIPT_NAME'}'><input type='hidden' name='ACTION' value='Start' /><input type='image' alt='Start' title='Start' src='/images/go-up.png' /></form></td>
 249 <td align='center' ><form method='post' action='$ENV{'SCRIPT_NAME'}'><input type='hidden' name='ACTION' value='Stop' /><input type='image' alt='Stop' title='Stop' src='/images/go-down.png' /></form></td>
 250 <td align='center' ><form method='post' action='$ENV{'SCRIPT_NAME'}'><input type='hidden' name='ACTION' value='Restart' /><input type='image' alt='Restart' title='Restart' src='/images/view-refresh.png' /></form></td></tr>
 251 </table>
 252 END
 253 ;
 254
 255 if ( $wlan_card_status eq '' ){
 256         &Header::closebox();
 257         &Header::closebigbox();
 258         &Header::closepage();
 259         exit 0;
 260 }
 261 print <<END
 262 <br />
 263 <form method='post' action='$ENV{'SCRIPT_NAME'}'>
 264 <table width='95%' cellspacing='0'>
 265 <tr><td bgcolor='$color{'color20'}' colspan='4' align='left'><b>WLAN Settings</b>
 266 <tr><td width='25%' class='base'>SSID:&nbsp;</td><td class='base' colspan='3'><input type='text' name='SSID' size='40' value='$wlanapsettings{'SSID'}' /></td></tr>
 267 <tr><td width='25%' class='base'>Disable SSID broadcast:&nbsp;</td><td class='base' colspan='3'><input type='checkbox' name='HIDESSID' $checked_hidessid /></td></tr>
 268 <tr><td width='25%' class='base'>Encryption:&nbsp;</td><td class='base' colspan='3'>
 269         <select name='ENC'>
 270                 <option value='none' $selected{'ENC'}{'none'}>none</option>
 271                 <option value='wpa1' $selected{'ENC'}{'wpa1'}>wpa1</option>
 272                 <option value='wpa2' $selected{'ENC'}{'wpa2'}>wpa2</option>
 273         </select>
 274 </td></tr>
 275 <tr><td width='25%' class='base'>Channel:&nbsp;</td><td class='base' colspan='3'>
 276         <select name='CHANNEL'>
 277 END
 278 ;
 279 foreach $channel (@channellist){
 280         print "<option $selected{'CHANNEL'}{$channel}>$channel</option>";
 281 }
 282
 283 print <<END
 284 </select></td></tr>
 285 <tr><td width='25%' class='base'>Tx Power:&nbsp;</td><td class='base' colspan='3'><select name='TXPOWER'>
 286 END
 287 ;
 288 foreach $txpower (@txpower){
 289         print "<option $selected{'TXPOWER'}{$txpower}>$txpower</option>&nbsp;dBm";
 290 }
 291 print <<END
 292         </select></td></tr>
 293 <tr><td width='25%' class='base'>Passphrase:&nbsp;</td><td class='base' colspan='3'><input type='text' name='PWD' size='63' value='$wlanapsettings{'PWD'}' /></td></tr>
 294 <tr><td width='25%' class='base'>Loglevel (hostapd):&nbsp;</td><td class='base' width='25%'>
 295         <select name='SYSLOGLEVEL'>
 296                 <option value='0' $selected{'SYSLOGLEVEL'}{'0'}>0 (verbose)</option>
 297                 <option value='1' $selected{'SYSLOGLEVEL'}{'1'}>1 (debugging)</option>
 298                 <option value='2' $selected{'SYSLOGLEVEL'}{'2'}>2 (informations)</option>
 299                 <option value='3' $selected{'SYSLOGLEVEL'}{'3'}>3 (notifications)</option>
 300                 <option value='4' $selected{'SYSLOGLEVEL'}{'4'}>4 (warnings)</option>
 301         </select>
 302 </td>
 303 <td width='25%' class='base'>Debuglevel (hostapd):&nbsp;</td><td class='base' width='25%'>
 304         <select name='DEBUG'>
 305                 <option value='0' $selected{'DEBUG'}{'0'}>0 (verbose)</option>
 306                 <option value='1' $selected{'DEBUG'}{'1'}>1 (debugging)</option>
 307                 <option value='2' $selected{'DEBUG'}{'2'}>2 (informations)</option>
 308                 <option value='3' $selected{'DEBUG'}{'3'}>3 (notifications)</option>
 309                 <option value='4' $selected{'DEBUG'}{'4'}>4 (warnings)</option>
 310         </select>
 311 </td></tr>
 312 </table>
 313 END
 314 ;
 315 if ( $wlanapsettings{'INTERFACE'} =~ /green0/ ){
 316         print <<END
 317 <br />
 318 <table width='95%' cellspacing='0'>
 319 <td width='25%' class='base'>Mac Filter:&nbsp;</td><td class='base' width='25%'>
 320         <select name='MACMODE'>
 321                 <option value='0' $selected{'MACMODE'}{'0'}>0 (off)</option>
 322                 <option value='1' $selected{'MACMODE'}{'1'}>1 (Accept MACs)</option>
 323                 <option value='2' $selected{'MACMODE'}{'2'}>2 (Deny MACs)</option>
 324         </select>
 325 </td><td colspan='2'>Mac Adress List (one per line)<br /><textarea name='MACS' cols='20' rows='5' wrap='off'>
 326 END
 327 ;
 328         print `cat /var/ipfire/wlanap/macfile`;
 329 print <<END
 330 </textarea></td>
 331 </table>
 332 END
 333 ;
 334 }
 335 print <<END
 336 <br />
 337 <table width='10%' cellspacing='0'>
 338 <tr><td align='center'><form method='post' action='$ENV{'SCRIPT_NAME'}'>
 339         <input type='hidden' name='ACTION' value=$Lang::tr{'save'} />
 340         <input type='image' alt='$Lang::tr{'save'}' title='$Lang::tr{'save'}' src='/images/media-floppy.png' /></form></td>
 341 </tr>
 342 </table>
 343 END
 344 ;
 345
 346 if ( $wlanapsettings{'DRIVER'} eq 'MADWIFI' ){
 347          $status =  `wlanconfig $wlanapsettings{'INTERFACE'} list`;
 348 }
 349 print <<END
 350 <br />
 351 <table width='95%' cellspacing='0'>
 352 <tr><td bgcolor='$color{'color20'}' colspan='2' align='left'><b>WLAN Status</b></td></tr>
 353 <tr><td><pre>@channellist_cmd</pre></td><td><pre>@txpower_cmd</pre></td></tr>
 354 <tr><td colspan='2'><pre>$status</pre></td></tr>
 355 </table>
 356 END
 357 ;
 358 &Header::closebox();
 359 print "</form>";
 360 &Header::closebigbox();
 361 &Header::closepage();
 362
 363 sub WriteConfig_hostapd{
 364         $wlanapsettings{'DRIVER_HOSTAPD'} = lc($wlanapsettings{'DRIVER'});
 365
 366         open (CONFIGFILE, ">/var/ipfire/wlanap/hostapd.conf");
 367         print CONFIGFILE <<END
 368 ######################### basic hostapd configuration ##########################
 369 #
 370 interface=$wlanapsettings{'INTERFACE'}
 371 driver=$wlanapsettings{'DRIVER_HOSTAPD'}
 372 logger_syslog=-1
 373 logger_syslog_level=$wlanapsettings{'SYSLOGLEVEL'}
 374 logger_stdout=-1
 375 logger_stdout_level=$wlanapsettings{'DEBUG'}
 376 dump_file=/tmp/hostapd.dump
 377 auth_algs=3
 378 ctrl_interface=/var/run/hostapd
 379 ctrl_interface_group=0
 380 END
 381 ;
 382  if ( $wlanapsettings{'HIDESSID'} eq 'on' ){
 383         print CONFIGFILE <<END
 384 ssid=$wlanapsettings{'SSID'}
 385 ignore_broadcast_ssid=2
 386 END
 387 ;
 388
 389  }else{
 390         print CONFIGFILE <<END
 391 ssid=$wlanapsettings{'SSID'}
 392 ignore_broadcast_ssid=0
 393 END
 394 ;
 395
 396  }
 397
 398  if ( $wlanapsettings{'ENC'} eq 'wpa1'){
 399         print CONFIGFILE <<END
 400 ######################### wpa hostapd configuration ############################
 401 #
 402 wpa=1
 403 wpa_passphrase=$wlanapsettings{'PWD'}
 404 wpa_key_mgmt=WPA-PSK
 405 wpa_pairwise=CCMP TKIP
 406 END
 407 ;
 408  }elsif ( $wlanapsettings{'ENC'} eq 'wpa2'){
 409         print CONFIGFILE <<END
 410 ######################### wpa hostapd configuration ############################
 411 #
 412 wpa=2
 413 wpa_passphrase=$wlanapsettings{'PWD'}
 414 wpa_key_mgmt=WPA-PSK
 415 wpa_pairwise=CCMP TKIP
 416 END
 417 ;
 418  }
 419         close CONFIGFILE;
 420
 421         open (MACFILE, ">/var/ipfire/wlanap/macfile");
 422         foreach(@macs){
 423                 $_ =~ s/\r//gi;
 424                 chomp($_);
 425                 if ( $_ ne "" ){print MACFILE $_;}
 426         }
 427         close MACFILE;
 428 }