html/cgi-bin/wlanap.cgi

   1 #!/usr/bin/perl
   2 ###############################################################################
   3 #                                                                             #
   4 # IPFire.org - A linux based firewall                                         #
   5 # Copyright (C) 2008  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{'MACMODE'} = '0';
  60 $wlanapsettings{'INTERFACE'} = '';
  61 $wlanapsettings{'SSID'} = 'IPFire';
  62 $wlanapsettings{'HIDESSID'} = 'off';
  63 $wlanapsettings{'ENC'} = 'wpa2';               # none / wpa1 /wpa2
  64 $wlanapsettings{'TXPOWER'} = 'auto';
  65 $wlanapsettings{'CHANNEL'} = '05';
  66 $wlanapsettings{'PWD'} = 'IPFire-2.x';
  67 $wlanapsettings{'SYSLOGLEVEL'} = '0';
  68 $wlanapsettings{'DEBUG'} = '4';
  69 $wlanapsettings{'DRIVER'} = 'MADWIFI';
  70
  71 &General::readhash("/var/ipfire/wlanap/settings", \%wlanapsettings);
  72
  73 my %cgiparams=();
  74 $cgiparams{'ACTION'} = '';
  75 $cgiparams{'APMODE'} = 'on';
  76 $cgiparams{'MACMODE'} = '0';
  77 $cgiparams{'SSID'} = 'IPFire';
  78 $cgiparams{'HIDESSID'} = 'off';
  79 $cgiparams{'ENC'} = 'wpa2';               # none / wep / wpa / wep+wpa
  80 $cgiparams{'TXPOWER'} = 'auto';
  81 $cgiparams{'CHANNEL'} = '05';
  82 $cgiparams{'PWD'} = 'IPFire-2.x';
  83 $cgiparams{'SYSLOGLEVEL'} = '0';
  84 $cgiparams{'DEBUG'} = '4';
  85 &Header::getcgihash(\%cgiparams);
  86
  87
  88 &Header::showhttpheaders();
  89
  90 if ( $cgiparams{'ACTION'} eq "$Lang::tr{'save'}" ){
  91         $wlanapsettings{'SSID'}         = $cgiparams{'SSID'};
  92         $wlanapsettings{'MACMODE'}      = $cgiparams{'MACMODE'};
  93         $wlanapsettings{'MACS'}         = $cgiparams{'MACS'};
  94         $wlanapsettings{'HIDESSID'}     = $cgiparams{'HIDESSID'};
  95         $wlanapsettings{'ENC'}          = $cgiparams{'ENC'};
  96         $wlanapsettings{'CHANNEL'}      = $cgiparams{'CHANNEL'};
  97         $wlanapsettings{'TXPOWER'}      = $cgiparams{'TXPOWER'};
  98
  99         $wlanapsettings{'PWD'}          = $cgiparams{'PWD'};
 100         $wlanapsettings{'SYSLOGLEVEL'}  = $cgiparams{'SYSLOGLEVEL'};
 101         $wlanapsettings{'DEBUG'}        = $cgiparams{'DEBUG'};
 102
 103         # verify WPA Passphrase, must be 8 .. 63 characters
 104         if ( (length($wlanapsettings{'PWD'}) < 8) || (length($wlanapsettings{'PWD'}) > 63) ){
 105                 $errormessage .= "Invalid length in WPA Passphrase. Must be between 8 and 63 characters.<br />";
 106         }
 107
 108         if ( $errormessage eq '' ){
 109                 &General::writehash("/var/ipfire/wlanap/settings", \%wlanapsettings);
 110                 &WriteConfig_hostapd();
 111
 112                 system("/usr/local/bin/wlanapctrl restart >/dev/null 2>&1");
 113         }
 114 }elsif ( $cgiparams{'ACTION'} eq "$Lang::tr{'interface'}" ){
 115         $wlanapsettings{'INTERFACE'}      = $cgiparams{'INTERFACE'};
 116         &General::writehash("/var/ipfire/wlanap/settings", \%wlanapsettings);
 117 }elsif ( $cgiparams{'ACTION'} eq 'Start' ){
 118         system("/usr/local/bin/wlanapctrl start >/dev/null 2>&1");
 119 }elsif ( $cgiparams{'ACTION'} eq 'Stop' ){
 120         system("/usr/local/bin/wlanapctrl stop >/dev/null 2>&1");
 121 }elsif ( $cgiparams{'ACTION'} eq 'Restart' ){
 122         system("/usr/local/bin/wlanapctrl restart >/dev/null 2>&1");
 123 }
 124
 125 &Header::openpage('WLAN', 1, '', '');
 126 &Header::openbigbox('100%', 'left', '', $errormessage);
 127 print "<form method='post' action='$ENV{'SCRIPT_NAME'}'>";
 128
 129 if ( $errormessage ){
 130         &Header::openbox('100%', 'center', $Lang::tr{'error messages'});
 131         print "<class name='base'>$errormessage\n";
 132         print "&nbsp;</class>\n";
 133         &Header::closebox();
 134 }
 135
 136
 137 # Found this usefull piece of code in BlockOutTraffic AddOn  8-)
 138 #   fwrules.cgi
 139 ###############
 140 # DEBUG DEBUG
 141 if ( $debug ){
 142         &Header::openbox('100%', 'center', 'DEBUG');
 143         my $debugCount = 0;
 144         foreach my $line (sort keys %cgiparams) {
 145                 print "$line = '$cgiparams{$line}'<br />\n";
 146                 $debugCount++;
 147         }
 148         print "&nbsp;Count: $debugCount\n";
 149         &Header::closebox();
 150 }
 151 # DEBUG DEBUG
 152 ###############
 153
 154 #
 155 # Driver and status detection
 156 #
 157 my $wlan_card_status = 'dummy';
 158 my $wlan_ap_status = '';
 159 my $message = "";
 160
 161 $selected{'INTERFACE'}{'green0'} = '';
 162 $selected{'INTERFACE'}{'blue0'} = '';
 163 $selected{'ENC'}{$wlanapsettings{'INTERFACE'}} = "selected='selected'";
 164
 165 if ( ($wlanapsettings{'INTERFACE'} eq '') ){
 166         $message = "No WLan Interface selected.";
 167         &Header::openbox('100%', 'center', "WLAN AP");
 168 print <<END
 169 $message<br />
 170 <form method='post' action='$ENV{'SCRIPT_NAME'}'>
 171 <select name='INTERFACE'>
 172         <option value='green0' $selected{'INTERFACE'}{'green0'}>green0</option>
 173 END
 174 ;
 175         if ( $netsettings{'BLUE_DEV'} ne ''){
 176                 print "<option value='blue0' $selected{'INTERFACE'}{'blue0'}>blue0</option>";
 177         }
 178 print <<END
 179 </select>
 180 <br />
 181         <input type='hidden' name='ACTION' value='$Lang::tr{'interface'}' />
 182         <input type='image' alt='$Lang::tr{'save'}' title='$Lang::tr{'save'}' src='/images/media-floppy.png' /></form>
 183 END
 184 ;
 185         &Header::closebox();
 186         &Header::closebigbox();
 187         &Header::closepage();
 188         exit;
 189 }else{
 190         my $cmd_out = `/usr/sbin/iwconfig $wlanapsettings{'INTERFACE'} 2>/dev/null`;
 191
 192         if ( $cmd_out eq '' ){
 193                 $message = "Interface is not a WLAN card.";
 194                 $wlan_card_status = '';
 195         }else{
 196                 $cmd_out = `/sbin/ifconfig | /bin/grep $wlanapsettings{'INTERFACE'}`;
 197                 if ( $cmd_out eq '' ){
 198                         $wlan_card_status = 'down';
 199                 }else{
 200                         $wlan_card_status = 'up';
 201                         $cmd_out = `/usr/sbin/iwconfig $wlanapsettings{'INTERFACE'} | /bin/grep "Mode:Master"`;
 202                         if ( $cmd_out ne '' ){
 203                                 $wlan_ap_status = 'up';
 204                         }
 205                 }
 206         }
 207 }
 208
 209 my $checked_hidessid = '';
 210 $checked_hidessid = "checked='checked'" if ( $wlanapsettings{'HIDESSID'} eq 'on' );
 211
 212 $selected{'ENC'}{$wlanapsettings{'ENC'}} = "selected='selected'";
 213 $selected{'CHANNEL'}{$wlanapsettings{'CHANNEL'}} = "selected='selected'";
 214 $selected{'TXPOWER'}{$wlanapsettings{'TXPOWER'}} = "selected='selected'";
 215 $selected{'MACMODE'}{$wlanapsettings{'MACMODE'}} = "selected='selected'";
 216
 217 my @channellist_cmd = `iwlist $wlanapsettings{'INTERFACE'} channel`;
 218 # get available channels
 219
 220 my @temp;
 221 foreach (@channellist_cmd){
 222 $_ =~ /(.*)Channel (\d+)(.*):/;
 223 $channel = $2;chomp $channel;
 224 if ( $channel =~ /\d+/ ){push(@temp,$channel);}
 225 }
 226 my @channellist = @temp;
 227
 228 my @txpower_cmd = `iwlist $wlanapsettings{'INTERFACE'} txpower`;
 229 # get available channels
 230
 231 my @temp;
 232 foreach (@txpower_cmd){
 233 $_ =~ /(\s)(\d+)(\s)dBm(\s)(.*)(\W)(\d+)(.*)/;
 234 $txpower = $7;chomp $txpower;
 235 if ( $txpower =~ /\d+/ ){push(@temp,$txpower."mW");}
 236 }
 237 my @txpower = @temp;
 238 push(@txpower,"auto");
 239
 240 $selected{'SYSLOGLEVEL'}{$wlanapsettings{'SYSLOGLEVEL'}} = "selected='selected'";
 241 $selected{'DEBUG'}{$wlanapsettings{'DEBUG'}} = "selected='selected'";
 242
 243 #
 244 # Status box
 245 #
 246 &Header::openbox('100%', 'center', "WLAN AP");
 247 print <<END
 248 <table width='95%' cellspacing='0'>
 249 <tr><td bgcolor='$color{'color20'}' colspan='2' align='left'><b>WLAN Services</b></td></tr>
 250 END
 251 ;
 252 print "<form method='post' action='$ENV{'SCRIPT_NAME'}'>";
 253 if ( $wlan_card_status ne '' ){
 254         print "<tr><td class='base'>WLAN card ($wlanapsettings{'DRIVER'})</td>";
 255         print $wlan_card_status eq 'up' ? $status_started : $status_stopped;
 256         print "<tr><td class='base'>Access Point</td>";
 257         print $wlan_ap_status eq 'up' ? $status_started : $status_stopped;
 258         if ( $wlan_card_status eq 'up' ){
 259                 print "<tr><td colspan='2' align='center'><input type='submit' name='ACTION' value='Stop' />";
 260                 print "<input type='submit' name='ACTION' value='Restart' /></td></tr>";
 261         }else{
 262                 print "<tr><td colspan='2' align='center'><input type='submit' name='ACTION' value='Start' /></td></tr>";
 263         }
 264 }else{
 265         print "<tr><td colspan='2' class='base'><b>$message</b></td></tr>";
 266 }
 267 print "</form>";
 268 print "</table>";
 269
 270 if ( $wlan_card_status eq '' ){
 271         &Header::closebox();
 272         &Header::closebigbox();
 273         &Header::closepage();
 274         exit 0;
 275 }
 276 print <<END
 277 <br />
 278 <table width='95%' cellspacing='0'>
 279 <tr><td bgcolor='$color{'color20'}' colspan='4' align='left'><b>WLAN Settings</b>
 280 <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>
 281 <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>
 282 <tr><td width='25%' class='base'>Encryption:&nbsp;</td><td class='base' colspan='3'>
 283         <select name='ENC'>
 284                 <option value='none' $selected{'ENC'}{'none'}>none</option>
 285                 <option value='wpa1' $selected{'ENC'}{'wpa1'}>wpa1</option>
 286                 <option value='wpa2' $selected{'ENC'}{'wpa2'}>wpa2</option>
 287         </select>
 288 </td></tr>
 289 <tr><td width='25%' class='base'>Channel:&nbsp;</td><td class='base' colspan='3'>
 290         <select name='CHANNEL'>
 291 END
 292 ;
 293 foreach $channel (@channellist){
 294         print "<option $selected{'CHANNEL'}{$channel}>$channel</option>";
 295 }
 296
 297 print <<END
 298 </select></td></tr>
 299 <tr><td width='25%' class='base'>Tx Power:&nbsp;</td><td class='base' colspan='3'><select name='TXPOWER'>
 300 END
 301 ;
 302 foreach $txpower (@txpower){
 303         print "<option $selected{'TXPOWER'}{$txpower}>$txpower</option>&nbsp;dBm";
 304 }
 305 print <<END
 306         </select></td></tr>
 307 <tr><td width='25%' class='base'>Passphrase:&nbsp;</td><td class='base' colspan='3'><input type='text' name='PWD' size='63' value='$wlanapsettings{'PWD'}' /></td></tr>
 308 <tr><td width='25%' class='base'>Loglevel (hostapd):&nbsp;</td><td class='base' width='25%'>
 309         <select name='SYSLOGLEVEL'>
 310                 <option value='0' $selected{'SYSLOGLEVEL'}{'0'}>0 (verbose)</option>
 311                 <option value='1' $selected{'SYSLOGLEVEL'}{'1'}>1 (debugging)</option>
 312                 <option value='2' $selected{'SYSLOGLEVEL'}{'2'}>2 (informations)</option>
 313                 <option value='3' $selected{'SYSLOGLEVEL'}{'3'}>3 (notifications)</option>
 314                 <option value='4' $selected{'SYSLOGLEVEL'}{'4'}>4 (warnings)</option>
 315         </select>
 316 </td>
 317 <td width='25%' class='base'>Debuglevel (hostapd):&nbsp;</td><td class='base' width='25%'>
 318         <select name='DEBUG'>
 319                 <option value='0' $selected{'DEBUG'}{'0'}>0 (verbose)</option>
 320                 <option value='1' $selected{'DEBUG'}{'1'}>1 (debugging)</option>
 321                 <option value='2' $selected{'DEBUG'}{'2'}>2 (informations)</option>
 322                 <option value='3' $selected{'DEBUG'}{'3'}>3 (notifications)</option>
 323                 <option value='4' $selected{'DEBUG'}{'4'}>4 (warnings)</option>
 324         </select>
 325 </td></tr>
 326 </table>
 327 END
 328 ;
 329 if ( $wlanapsettings{'INTERFACE'} =~ /green0/ ){
 330         print <<END
 331 <br />
 332 <table width='95%' cellspacing='0'>
 333 <td width='25%' class='base'>Mac Filter:&nbsp;</td><td class='base' width='25%'>
 334         <select name='MACMODE'>
 335                 <option value='0' $selected{'MACMODE'}{'0'}>0 (off)</option>
 336                 <option value='1' $selected{'MACMODE'}{'1'}>1 (Accept MACs)</option>
 337                 <option value='2' $selected{'MACMODE'}{'2'}>2 (Deny MACs)</option>
 338         </select>
 339 </td><td colspan='2'>Mac Adress List (one per line)<br /><textarea name='MACS' cols='20' rows='5' wrap='off'>
 340 END
 341 ;
 342         print `cat /var/ipfire/wlanap/macfile`;
 343 print <<END
 344 </textarea></td>
 345 </table>
 346 END
 347 ;
 348 }
 349 print <<END
 350 <br />
 351 <table width='10%' cellspacing='0'>
 352 <tr><td align='center'><form method='post' action='$ENV{'SCRIPT_NAME'}'>
 353         <input type='hidden' name='ACTION' value=$Lang::tr{'save'} />
 354         <input type='image' alt='$Lang::tr{'save'}' title='$Lang::tr{'save'}' src='/images/media-floppy.png' /></form></td>
 355 </tr>
 356 </table>
 357 END
 358 ;
 359
 360 if ( $wlanapsettings{'DRIVER'} eq 'MADWIFI' ){
 361          $status =  `wlanconfig $wlanapsettings{'INTERFACE'} list`;
 362 }
 363 print <<END
 364 <br />
 365 <table width='95%' cellspacing='0'>
 366 <tr><td bgcolor='$color{'color20'}' colspan='2' align='left'><b>WLAN Status</b></td></tr>
 367 <tr><td><pre>@channellist_cmd</pre></td><td><pre>@txpower_cmd</pre></td></tr>
 368 <tr><td colspan='2'><pre>$status</pre></td></tr>
 369 </table>
 370 END
 371 ;
 372 &Header::closebox();
 373 print "</form>";
 374 &Header::closebigbox();
 375 &Header::closepage();
 376
 377 sub WriteConfig_hostapd{
 378         $wlanapsettings{'DRIVER_HOSTAPD'} = lc($wlanapsettings{'DRIVER'});
 379
 380         open (CONFIGFILE, ">/var/ipfire/wlanap/hostapd.conf");
 381         print CONFIGFILE <<END
 382 ######################### basic hostapd configuration ##########################
 383 #
 384 interface=$wlanapsettings{'INTERFACE'}
 385 driver=$wlanapsettings{'DRIVER_HOSTAPD'}
 386 logger_syslog=-1
 387 logger_syslog_level=$wlanapsettings{'SYSLOGLEVEL'}
 388 logger_stdout=-1
 389 logger_stdout_level=$wlanapsettings{'DEBUG'}
 390 dump_file=/tmp/hostapd.dump
 391 auth_algs=3
 392 ctrl_interface=/var/run/hostapd
 393 ctrl_interface_group=0
 394 END
 395 ;
 396  if ( $wlanapsettings{'HIDESSID'} eq 'on' ){
 397         print CONFIGFILE <<END
 398 ssid=$wlanapsettings{'SSID'}
 399 ignore_broadcast_ssid=2
 400 END
 401 ;
 402
 403  }else{
 404         print CONFIGFILE <<END
 405 ssid=$wlanapsettings{'SSID'}
 406 ignore_broadcast_ssid=0
 407 END
 408 ;
 409
 410  }
 411
 412  if ( $wlanapsettings{'ENC'} eq 'wpa1'){
 413         print CONFIGFILE <<END
 414 ######################### wpa hostapd configuration ############################
 415 #
 416 wpa=1
 417 wpa_passphrase=$wlanapsettings{'PWD'}
 418 wpa_key_mgmt=WPA-PSK
 419 wpa_pairwise=CCMP TKIP
 420 END
 421 ;
 422  }elsif ( $wlanapsettings{'ENC'} eq 'wpa2'){
 423         print CONFIGFILE <<END
 424 ######################### wpa hostapd configuration ############################
 425 #
 426 wpa=2
 427 wpa_passphrase=$wlanapsettings{'PWD'}
 428 wpa_key_mgmt=WPA-PSK
 429 wpa_pairwise=CCMP TKIP
 430 END
 431 ;
 432  }
 433         close CONFIGFILE;
 434
 435 $wlanapsettings{'MACS'} =~ s/\r//gi;
 436 chomp($wlanapsettings{'MACS'});
 437         open (MACFILE, ">/var/ipfire/wlanap/macfile");
 438         print MACFILE <<END
 439 $wlanapsettings{'MACS'}
 440 END
 441 ;
 442         close MACFILE;
 443 }