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{'HW_MODE'} = 'g';
  68 $wlanapsettings{'PWD'} = 'IPFire-2.x';
  69 $wlanapsettings{'SYSLOGLEVEL'} = '0';
  70 $wlanapsettings{'DEBUG'} = '4';
  71 $wlanapsettings{'DRIVER'} = 'MADWIFI';
  72
  73 &General::readhash("/var/ipfire/wlanap/settings", \%wlanapsettings);
  74 &Header::getcgihash(\%wlanapsettings);
  75
  76 my @macs = $wlanapsettings{'MACS'};
  77
  78 delete $wlanapsettings{'__CGI__'};
  79 delete $wlanapsettings{'x'};
  80 delete $wlanapsettings{'y'};
  81 delete $wlanapsettings{'MACS'};
  82 delete $wlanapsettings{'ACCEPT_MACS'};
  83 delete $wlanapsettings{'DENY_MACS'};
  84
  85 &Header::showhttpheaders();
  86
  87 if ( $wlanapsettings{'ACTION'} eq "$Lang::tr{'save'}" ){
  88         # verify WPA Passphrase, must be 8 .. 63 characters
  89         if ( (length($wlanapsettings{'PWD'}) < 8) || (length($wlanapsettings{'PWD'}) > 63) ){
  90                 $errormessage .= "Invalid length in WPA Passphrase. Must be between 8 and 63 characters.<br />";
  91         }
  92
  93         if ( $errormessage eq '' ){
  94                 &General::writehash("/var/ipfire/wlanap/settings", \%wlanapsettings);
  95                 &WriteConfig_hostapd();
  96
  97                 system("/usr/local/bin/wlanapctrl restart >/dev/null 2>&1");
  98         }
  99 }elsif ( $wlanapsettings{'ACTION'} eq "$Lang::tr{'interface'}" ){
 100         &General::writehash("/var/ipfire/wlanap/settings", \%wlanapsettings);
 101 }elsif ( $wlanapsettings{'ACTION'} eq 'Start' ){
 102         system("/usr/local/bin/wlanapctrl start >/dev/null 2>&1");
 103 }elsif ( $wlanapsettings{'ACTION'} eq 'Stop' ){
 104         system("/usr/local/bin/wlanapctrl stop >/dev/null 2>&1");
 105 }elsif ( $wlanapsettings{'ACTION'} eq 'Restart' ){
 106         system("/usr/local/bin/wlanapctrl restart >/dev/null 2>&1");
 107 }
 108
 109 &Header::openpage('WLAN', 1, '', '');
 110 &Header::openbigbox('100%', 'left', '', $errormessage);
 111
 112 if ( $errormessage ){
 113         &Header::openbox('100%', 'center', $Lang::tr{'error messages'});
 114         print "<class name='base'>$errormessage\n";
 115         print "&nbsp;</class>\n";
 116         &Header::closebox();
 117 }
 118
 119
 120 # Found this usefull piece of code in BlockOutTraffic AddOn  8-)
 121 #   fwrules.cgi
 122 ###############
 123 # DEBUG DEBUG
 124 if ( $debug ){
 125         &Header::openbox('100%', 'center', 'DEBUG');
 126         my $debugCount = 0;
 127         foreach my $line (sort keys %wlanapsettings) {
 128                 print "$line = '$wlanapsettings{$line}'<br />\n";
 129                 $debugCount++;
 130         }
 131         print "&nbsp;Count: $debugCount\n";
 132         &Header::closebox();
 133 }
 134 # DEBUG DEBUG
 135 ###############
 136
 137 #
 138 # Driver and status detection
 139 #
 140 my $wlan_card_status = 'dummy';
 141 my $wlan_ap_status = '';
 142 my $message = "";
 143
 144 $selected{'INTERFACE'}{'green0'} = '';
 145 $selected{'INTERFACE'}{'blue0'} = '';
 146 $selected{'ENC'}{$wlanapsettings{'INTERFACE'}} = "selected='selected'";
 147
 148 if ( ($wlanapsettings{'INTERFACE'} eq '') ){
 149         $message = "No WLan Interface selected.";
 150         &Header::openbox('100%', 'center', "WLAN AP");
 151 print <<END
 152 $message<br />
 153 <form method='post' action='$ENV{'SCRIPT_NAME'}'>
 154 <select name='INTERFACE'>
 155         <option value='green0' $selected{'INTERFACE'}{'green0'}>green0</option>
 156 END
 157 ;
 158         if ( $netsettings{'BLUE_DEV'} ne ''){
 159                 print "<option value='blue0' $selected{'INTERFACE'}{'blue0'}>blue0</option>";
 160         }
 161 print <<END
 162 </select>
 163 <br />
 164         <input type='hidden' name='ACTION' value='$Lang::tr{'interface'}' />
 165         <input type='image' alt='$Lang::tr{'save'}' title='$Lang::tr{'save'}' src='/images/media-floppy.png' /></form>
 166 END
 167 ;
 168         &Header::closebox();
 169         &Header::closebigbox();
 170         &Header::closepage();
 171         exit;
 172 }else{
 173         my $cmd_out = `/usr/sbin/iwconfig $wlanapsettings{'INTERFACE'} 2>/dev/null`;
 174
 175         if ( $cmd_out eq '' ){
 176                 $message = "Interface is not a WLAN card.";
 177                 $wlan_card_status = '';
 178         }else{
 179                 $cmd_out = `/sbin/ifconfig | /bin/grep $wlanapsettings{'INTERFACE'}`;
 180                 if ( $cmd_out eq '' ){
 181                         $wlan_card_status = 'down';
 182                 }else{
 183                         $wlan_card_status = 'up';
 184                         $cmd_out = `/usr/sbin/iwconfig $wlanapsettings{'INTERFACE'} | /bin/grep "Mode:Master"`;
 185                         if ( $cmd_out ne '' ){
 186                                 $wlan_ap_status = 'up';
 187                         }
 188                 }
 189         }
 190 }
 191
 192 $checked{'HIDESSID'}{'off'} = '';
 193 $checked{'HIDESSID'}{'on'} = '';
 194 $checked{'HIDESSID'}{$wlanapsettings{'HIDESSID'}} = "checked='checked'";
 195
 196 $selected{'ENC'}{$wlanapsettings{'ENC'}} = "selected='selected'";
 197 $selected{'CHANNEL'}{$wlanapsettings{'CHANNEL'}} = "selected='selected'";
 198 $selected{'TXPOWER'}{$wlanapsettings{'TXPOWER'}} = "selected='selected'";
 199 $selected{'HW_MODE'}{$wlanapsettings{'HW_MODE'}} = "selected='selected'";
 200 $selected{'MACMODE'}{$wlanapsettings{'MACMODE'}} = "selected='selected'";
 201
 202 my @channellist_cmd = `iwlist $wlanapsettings{'INTERFACE'} channel`;
 203 # get available channels
 204
 205 my @temp;
 206 foreach (@channellist_cmd){
 207 $_ =~ /(.*)Channel (\d+)(.*):/;
 208 $channel = $2;chomp $channel;
 209 if ( $channel =~ /\d+/ ){push(@temp,$channel);}
 210 }
 211 my @channellist = @temp;
 212
 213 my @txpower_cmd = `iwlist $wlanapsettings{'INTERFACE'} txpower`;
 214 # get available channels
 215
 216 my @temp;
 217 foreach (@txpower_cmd){
 218 $_ =~ /(\s)(\d+)(\s)dBm(\s)(.*)(\W)(\d+)(.*)/;
 219 $txpower = $7;chomp $txpower;
 220 if ( $txpower =~ /\d+/ ){push(@temp,$txpower."mW");}
 221 }
 222 my @txpower = @temp;
 223 push(@txpower,"auto");
 224
 225 $selected{'SYSLOGLEVEL'}{$wlanapsettings{'SYSLOGLEVEL'}} = "selected='selected'";
 226 $selected{'DEBUG'}{$wlanapsettings{'DEBUG'}} = "selected='selected'";
 227
 228 #
 229 # Status box
 230 #
 231 &Header::openbox('100%', 'center', "WLAN AP");
 232 print <<END
 233 <table width='95%' cellspacing='0'>
 234 <tr><td bgcolor='$color{'color20'}' colspan='2' align='left'><b>WLAN Services</b></td></tr>
 235 END
 236 ;
 237 if ( $wlan_card_status ne '' ){
 238         print "<tr><td class='base'>WLAN card ($wlanapsettings{'DRIVER'})</td>";
 239         print $wlan_card_status eq 'up' ? $status_started : $status_stopped;
 240         print "<tr><td class='base'>Access Point</td>";
 241         print $wlan_ap_status eq 'up' ? $status_started : $status_stopped;
 242 }else{
 243         print "<tr><td colspan='2' class='base'><b>$message</b></td></tr>";
 244 }
 245 print "</table>";
 246
 247 print <<END
 248 <br />
 249 <table width='95%' cellspacing='0'>
 250 <tr><td align='left' width='40%' />
 251 <td align='center' ><form method='post' action='$ENV{'SCRIPT_NAME'}'><input type='hidden' name='ACTION' value='Start' /><input type='image' alt='Start' title='Start' src='/images/go-up.png' /></form></td>
 252 <td align='center' ><form method='post' action='$ENV{'SCRIPT_NAME'}'><input type='hidden' name='ACTION' value='Stop' /><input type='image' alt='Stop' title='Stop' src='/images/go-down.png' /></form></td>
 253 <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>
 254 </table>
 255 END
 256 ;
 257
 258 if ( $wlan_card_status eq '' ){
 259         &Header::closebox();
 260         &Header::closebigbox();
 261         &Header::closepage();
 262         exit 0;
 263 }
 264 print <<END
 265 <br />
 266 <form method='post' action='$ENV{'SCRIPT_NAME'}'>
 267 <table width='95%' cellspacing='0'>
 268 <tr><td bgcolor='$color{'color20'}' colspan='4' align='left'><b>WLAN Settings</b>
 269 <tr><td width='25%' class='base'>SSID:&nbsp;</td><td class='base' colspan='3'><input type='text' name='SSID' size='40' value='$wlanapsettings{'SSID'}' /></td></tr>
 270 <tr><td width='25%' class='base'>Disable SSID broadcast:&nbsp;</td><td class='base' colspan='3'>on <input type='radio' name='HIDESSID' value='on' $checked{'HIDESSID'}{'on'} />/
 271                         <input type='radio' name='HIDESSID' value='off' $checked{'HIDESSID'}{'off'} /> off</td></tr>
 272 <tr><td width='25%' class='base'>HW Mode:&nbsp;</td><td class='base' colspan='3'>
 273         <select name='HW_MODE'>
 274                 <option value='a' $selected{'HW_MODE'}{'a'}>a</option>
 275                 <option value='b' $selected{'HW_MODE'}{'b'}>b</option>
 276                 <option value='g' $selected{'HW_MODE'}{'g'}>g</option>
 277                 <option value='n' $selected{'HW_MODE'}{'n'}>n</option>
 278         </select>
 279 </td></tr>
 280
 281 <tr><td width='25%' class='base'>Encryption:&nbsp;</td><td class='base' colspan='3'>
 282         <select name='ENC'>
 283                 <option value='none' $selected{'ENC'}{'none'}>none</option>
 284                 <option value='wpa1' $selected{'ENC'}{'wpa1'}>wpa1</option>
 285                 <option value='wpa2' $selected{'ENC'}{'wpa2'}>wpa2</option>
 286         </select>
 287 </td></tr>
 288 <tr><td width='25%' class='base'>Channel:&nbsp;</td><td class='base' colspan='3'>
 289         <select name='CHANNEL'>
 290 END
 291 ;
 292 foreach $channel (@channellist){
 293         print "<option $selected{'CHANNEL'}{$channel}>$channel</option>";
 294 }
 295
 296 print <<END
 297 </select></td></tr>
 298 <tr><td width='25%' class='base'>Tx Power:&nbsp;</td><td class='base' colspan='3'><select name='TXPOWER'>
 299 END
 300 ;
 301 foreach $txpower (@txpower){
 302         print "<option $selected{'TXPOWER'}{$txpower}>$txpower</option>&nbsp;dBm";
 303 }
 304 print <<END
 305         </select></td></tr>
 306 <tr><td width='25%' class='base'>Passphrase:&nbsp;</td><td class='base' colspan='3'><input type='text' name='PWD' size='63' value='$wlanapsettings{'PWD'}' /></td></tr>
 307 <tr><td width='25%' class='base'>Loglevel (hostapd):&nbsp;</td><td class='base' width='25%'>
 308         <select name='SYSLOGLEVEL'>
 309                 <option value='0' $selected{'SYSLOGLEVEL'}{'0'}>0 (verbose)</option>
 310                 <option value='1' $selected{'SYSLOGLEVEL'}{'1'}>1 (debugging)</option>
 311                 <option value='2' $selected{'SYSLOGLEVEL'}{'2'}>2 (informations)</option>
 312                 <option value='3' $selected{'SYSLOGLEVEL'}{'3'}>3 (notifications)</option>
 313                 <option value='4' $selected{'SYSLOGLEVEL'}{'4'}>4 (warnings)</option>
 314         </select>
 315 </td>
 316 <td width='25%' class='base'>Debuglevel (hostapd):&nbsp;</td><td class='base' width='25%'>
 317         <select name='DEBUG'>
 318                 <option value='0' $selected{'DEBUG'}{'0'}>0 (verbose)</option>
 319                 <option value='1' $selected{'DEBUG'}{'1'}>1 (debugging)</option>
 320                 <option value='2' $selected{'DEBUG'}{'2'}>2 (informations)</option>
 321                 <option value='3' $selected{'DEBUG'}{'3'}>3 (notifications)</option>
 322                 <option value='4' $selected{'DEBUG'}{'4'}>4 (warnings)</option>
 323         </select>
 324 </td></tr>
 325 </table>
 326 END
 327 ;
 328 if ( $wlanapsettings{'INTERFACE'} =~ /green0/ ){
 329         print <<END
 330 <br />
 331 <table width='95%' cellspacing='0'>
 332 <td width='25%' class='base'>Mac Filter:&nbsp;</td><td class='base' width='25%'>
 333         <select name='MACMODE'>
 334                 <option value='0' $selected{'MACMODE'}{'0'}>0 (off)</option>
 335                 <option value='1' $selected{'MACMODE'}{'1'}>1 (Accept MACs)</option>
 336                 <option value='2' $selected{'MACMODE'}{'2'}>2 (Deny MACs)</option>
 337         </select>
 338 </td><td colspan='2'>Mac Adress List (one per line)<br /><textarea name='MACS' cols='20' rows='5' wrap='off'>
 339 END
 340 ;
 341         print `cat /var/ipfire/wlanap/macfile`;
 342 print <<END
 343 </textarea></td>
 344 </table>
 345 END
 346 ;
 347 }
 348 print <<END
 349 <br />
 350 <table width='10%' cellspacing='0'>
 351 <tr><td align='center'><form method='post' action='$ENV{'SCRIPT_NAME'}'>
 352         <input type='hidden' name='ACTION' value=$Lang::tr{'save'} />
 353         <input type='image' alt='$Lang::tr{'save'}' title='$Lang::tr{'save'}' src='/images/media-floppy.png' /></form></td>
 354 </tr>
 355 </table>
 356 END
 357 ;
 358
 359 if ( $wlanapsettings{'DRIVER'} eq 'MADWIFI' ){
 360          $status =  `wlanconfig $wlanapsettings{'INTERFACE'} list`;
 361 }
 362 if ( $wlanapsettings{'DRIVER'} eq 'NL80211' ){
 363          $status =  `iw dev $wlanapsettings{'INTERFACE'} station dump`;
 364 }
 365 print <<END
 366 <br />
 367 <table width='95%' cellspacing='0'>
 368 <tr><td bgcolor='$color{'color20'}' colspan='2' align='left'><b>WLAN Status</b></td></tr>
 369 <tr><td><pre>@channellist_cmd</pre></td><td><pre>@txpower_cmd</pre></td></tr>
 370 <tr><td colspan='2'><pre>$status</pre></td></tr>
 371 </table>
 372 END
 373 ;
 374 &Header::closebox();
 375 print "</form>";
 376 &Header::closebigbox();
 377 &Header::closepage();
 378
 379 sub WriteConfig_hostapd{
 380         $wlanapsettings{'DRIVER_HOSTAPD'} = lc($wlanapsettings{'DRIVER'});
 381
 382         open (CONFIGFILE, ">/var/ipfire/wlanap/hostapd.conf");
 383         print CONFIGFILE <<END
 384 ######################### basic hostapd configuration ##########################
 385 #
 386 interface=$wlanapsettings{'INTERFACE'}
 387 driver=$wlanapsettings{'DRIVER_HOSTAPD'}
 388 channel=$wlanapsettings{'CHANNEL'}
 389 END
 390 ;
 391  if ( $wlanapsettings{'HW_MODE'} eq 'n' ){
 392         print CONFIGFILE <<END
 393 hw_mode=g
 394 ieee80211n=1
 395 END
 396 ;
 397
 398  }else{
 399         print CONFIGFILE <<END
 400 hw_mode=$wlanapsettings{'HW_MODE'}
 401 END
 402 ;
 403
 404  }
 405
 406 print CONFIGFILE <<END
 407 logger_syslog=-1
 408 logger_syslog_level=$wlanapsettings{'SYSLOGLEVEL'}
 409 logger_stdout=-1
 410 logger_stdout_level=$wlanapsettings{'DEBUG'}
 411 dump_file=/tmp/hostapd.dump
 412 auth_algs=1
 413 ctrl_interface=/var/run/hostapd
 414 ctrl_interface_group=0
 415 END
 416 ;
 417  if ( $wlanapsettings{'HIDESSID'} eq 'on' ){
 418         print CONFIGFILE <<END
 419 ssid=$wlanapsettings{'SSID'}
 420 ignore_broadcast_ssid=2
 421 END
 422 ;
 423
 424  }else{
 425         print CONFIGFILE <<END
 426 ssid=$wlanapsettings{'SSID'}
 427 ignore_broadcast_ssid=0
 428 END
 429 ;
 430
 431  }
 432
 433  if ( $wlanapsettings{'ENC'} eq 'wpa1'){
 434         print CONFIGFILE <<END
 435 ######################### wpa hostapd configuration ############################
 436 #
 437 wpa=1
 438 wpa_passphrase=$wlanapsettings{'PWD'}
 439 wpa_key_mgmt=WPA-PSK
 440 wpa_pairwise=CCMP TKIP
 441 END
 442 ;
 443  }elsif ( $wlanapsettings{'ENC'} eq 'wpa2'){
 444         print CONFIGFILE <<END
 445 ######################### wpa hostapd configuration ############################
 446 #
 447 wpa=2
 448 wpa_passphrase=$wlanapsettings{'PWD'}
 449 wpa_key_mgmt=WPA-PSK
 450 wpa_pairwise=CCMP TKIP
 451 END
 452 ;
 453  }
 454         close CONFIGFILE;
 455
 456         open (MACFILE, ">/var/ipfire/wlanap/macfile");
 457         foreach(@macs){
 458                 $_ =~ s/\r//gi;
 459                 chomp($_);
 460                 if ( $_ ne "" ){print MACFILE $_;}
 461         }
 462         close MACFILE;
 463 }