html/cgi-bin/wlanap.cgi

   1 #!/usr/bin/perl
   2 ###############################################################################
   3 #                                                                             #
   4 # IPFire.org - A linux based firewall                                         #
   5 # Copyright (C) 2007  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{'INTERFACE'} = $netsettings{'BLUE_DEV'};
  60 $wlanapsettings{'SSID'} = 'IPFire';
  61 $wlanapsettings{'HIDESSID'} = 'off';
  62 $wlanapsettings{'ENC'} = 'wpa';               # none / wpa1 /wpa2
  63 $wlanapsettings{'TXPOWER'} = 'auto';
  64 $wlanapsettings{'CHAN'} = '05';
  65 $wlanapsettings{'PWD'} = 'IPFire-2.x';
  66 $wlanapsettings{'SYSLOGLEVEL'} = '0';
  67 $wlanapsettings{'DEBUG'} = '4';
  68 $wlanapsettings{'DRIVER'} = 'MADWIFI';
  69
  70 &General::readhash("/var/ipfire/wlanap/settings", \%wlanapsettings);
  71
  72 my %cgiparams=();
  73 $cgiparams{'ACTION'} = '';
  74 $cgiparams{'APMODE'} = 'on';
  75 $cgiparams{'SSID'} = 'IPFire';
  76 $cgiparams{'HIDESSID'} = 'off';
  77 $cgiparams{'ENC'} = 'wpa';               # none / wep / wpa / wep+wpa
  78 $cgiparams{'TXPOWER'} = 'auto';
  79 $cgiparams{'CHAN'} = '05';
  80 $cgiparams{'PWD'} = 'IPFire-2.x';
  81 $cgiparams{'SYSLOGLEVEL'} = '0';
  82 $cgiparams{'DEBUG'} = '4';
  83 &Header::getcgihash(\%cgiparams);
  84
  85
  86 &Header::showhttpheaders();
  87
  88 if ( $cgiparams{'ACTION'} eq "$Lang::tr{'save'}" ){
  89         $wlanapsettings{'SSID'}       = $cgiparams{'SSID'};
  90         $wlanapsettings{'HIDESSID'}   = $cgiparams{'HIDESSID'};
  91         $wlanapsettings{'ENC'}        = $cgiparams{'ENC'};
  92         $wlanapsettings{'CHAN'}       = $cgiparams{'CHAN'};
  93         $wlanapsettings{'TXPOWER'}    = $cgiparams{'TXPOWER'};
  94
  95         $wlanapsettings{'PWD'}        = $cgiparams{'PWD'};
  96         $wlanapsettings{'SYSLOGLEVEL'}= $cgiparams{'SYSLOGLEVEL'};
  97         $wlanapsettings{'DEBUG'}      = $cgiparams{'DEBUG'};
  98
  99         # verify WPA Passphrase, must be 8 .. 63 characters
 100         if ( (length($wlanapsettings{'PWD'}) < 8) || (length($wlanapsettings{'PWD'}) > 63) ){
 101                 $errormessage .= "Invalid length in WPA Passphrase. Must be between 8 and 63 characters.<br />";
 102         }
 103
 104         if ( $errormessage eq '' ){
 105                 &WriteConfig();
 106                 &WriteConfig_hostapd();
 107
 108                 system("/usr/local/bin/wlanapctrl restart >/dev/null 2>&1")
 109         }
 110 }elsif ( $cgiparams{'ACTION'} eq 'Start' ){
 111         system("/usr/local/bin/wlanapctrl start >/dev/null 2>&1");
 112 }elsif ( $cgiparams{'ACTION'} eq 'Stop' ){
 113         system("/usr/local/bin/wlanapctrl stop >/dev/null 2>&1");
 114 }
 115
 116 &Header::openpage('WLAN', 1, '', '');
 117 &Header::openbigbox('100%', 'left', '', $errormessage);
 118 print "<form method='post' action='$ENV{'SCRIPT_NAME'}'>";
 119
 120 if ( $errormessage ){
 121         &Header::openbox('100%', 'center', $Lang::tr{'error messages'});
 122         print "<class name='base'>$errormessage\n";
 123         print "&nbsp;</class>\n";
 124         &Header::closebox();
 125 }
 126
 127
 128 # Found this usefull piece of code in BlockOutTraffic AddOn  8-)
 129 #   fwrules.cgi
 130 ###############
 131 # DEBUG DEBUG
 132 if ( $debug ){
 133         &Header::openbox('100%', 'center', 'DEBUG');
 134         my $debugCount = 0;
 135         foreach my $line (sort keys %cgiparams) {
 136                 print "$line = '$cgiparams{$line}'<br />\n";
 137                 $debugCount++;
 138         }
 139         print "&nbsp;Count: $debugCount\n";
 140         &Header::closebox();
 141 }
 142 # DEBUG DEBUG
 143 ###############
 144
 145 #
 146 # Driver and status detection
 147 #
 148 my $wlan_card_status = 'dummy';
 149 my $wlan_ap_status = '';
 150 my $blue_message = "";
 151
 152 if ( ($netsettings{'BLUE_DEV'} eq '') || ($netsettings{'BLUE_DRIVER'} eq '') ){
 153         $blue_message = "No BLUE Interface.";
 154 }else{
 155         my $cmd_out = `/usr/sbin/iwconfig $netsettings{'BLUE_DEV'} 2>/dev/null`;
 156
 157         if ( $cmd_out eq '' ){
 158                 $blue_message = "BLUE Interface is not a WLAN card.";
 159         }else{
 160                 $cmd_out = `/sbin/ifconfig | /bin/grep $netsettings{'BLUE_DEV'}`;
 161                 if ( $cmd_out eq '' ){
 162                         $wlan_card_status = 'down';
 163                 }else{
 164                         $wlan_card_status = 'up';
 165                         $cmd_out = `/usr/sbin/iwconfig $netsettings{'BLUE_DEV'} | /bin/grep "Mode:Master"`;
 166                         if ( $cmd_out ne '' ){
 167                                 $wlan_ap_status = 'up';
 168                         }
 169                 }
 170         }
 171 }
 172
 173 my $checked_hidessid = '';
 174 $checked_hidessid = "checked='checked'" if ( $wlanapsettings{'HIDESSID'} eq 'on' );
 175
 176 $selected{'ENC'}{'none'} = '';
 177 $selected{'ENC'}{'wpa1'} = '';
 178 $selected{'ENC'}{'wpa2'} = '';
 179 $selected{'ENC'}{$wlanapsettings{'ENC'}} = "selected='selected'";
 180 $selected{'CHAN'}{$wlanapsettings{'CHAN'}} = "selected='selected'";
 181 $selected{'TXPOWER'}{$wlanapsettings{'TXPOWER'}} = "selected='selected'";
 182
 183 my @channellist_cmd = `iwlist $netsettings{'BLUE_DEV'} channel`;
 184 # get available channels
 185
 186 my @temp;
 187 foreach (@channellist_cmd){
 188 $_ =~ /(.*)Channel (\d+)(.*):/;
 189 $channel = $2;chomp $channel;
 190 if ( $channel =~ /\d+/ ){push(@temp,$channel);}
 191 }
 192 my @channellist = @temp;
 193
 194 my @txpower_cmd = `iwlist $netsettings{'BLUE_DEV'} txpower`;
 195 # get available channels
 196
 197 my @temp;
 198 foreach (@txpower_cmd){
 199 $_ =~ /(\s)(\d+)(\s)dBm(\s)(.*)(\W)(\d+)(.*)/;
 200 $txpower = $7;chomp $txpower;
 201 if ( $txpower =~ /\d+/ ){push(@temp,$txpower."mW");}
 202 }
 203 my @txpower = @temp;
 204 push(@txpower,"auto");
 205
 206 $selected{'SYSLOGLEVEL'}{'0'} = '';
 207 $selected{'SYSLOGLEVEL'}{'1'} = '';
 208 $selected{'SYSLOGLEVEL'}{'2'} = '';
 209 $selected{'SYSLOGLEVEL'}{'3'} = '';
 210 $selected{'SYSLOGLEVEL'}{'4'} = '';
 211 $selected{'SYSLOGLEVEL'}{$wlanapsettings{'SYSLOGLEVEL'}} = "selected='selected'";
 212
 213 $selected{'DEBUG'}{'0'} = '';
 214 $selected{'DEBUG'}{'1'} = '';
 215 $selected{'DEBUG'}{'2'} = '';
 216 $selected{'DEBUG'}{'3'} = '';
 217 $selected{'DEBUG'}{'4'} = '';
 218 $selected{'DEBUG'}{$wlanapsettings{'DEBUG'}} = "selected='selected'";
 219
 220 #
 221 # Status box
 222 #
 223 &Header::openbox('100%', 'center', "WLAN AP");
 224 print <<END
 225 <table width='95%' cellspacing='0'>
 226 <tr><td bgcolor='$color{'color20'}' colspan='2' align='left'><b>WLAN Services</b></td></tr>
 227 END
 228 ;
 229 if ( $wlan_card_status ne '' ){
 230         print "<tr><td class='base'>WLAN card ($wlanapsettings{'DRIVER'})</td>";
 231         print $wlan_card_status eq 'up' ? $status_started : $status_stopped;
 232         print "<tr><td class='base'>Access Point</td>";
 233         print $wlan_ap_status eq 'up' ? $status_started : $status_stopped;
 234         if ( $wlan_card_status eq 'up' ){
 235                 print "<tr><td colspan='2' align='center'><input type='submit' name='ACTION' value='Stop' /><input type='hidden' name='RUNNING' value='on' /></td></tr>";
 236         }else{
 237                 print "<tr><td colspan='2' align='center'><input type='submit' name='ACTION' value='Start' /></td></tr>";
 238         }
 239 }else{
 240         print "<tr><td colspan='2' class='base'><b>$blue_message</b></td></tr>";
 241 }
 242 print "</table>";
 243
 244 if ( $wlan_card_status eq '' ){
 245         print "</form>";
 246         &Header::closebigbox();
 247         &Header::closepage();
 248         exit 0;
 249 }
 250 print <<END
 251 <br />
 252 <table width='95%' cellspacing='0'>
 253 <tr><td bgcolor='$color{'color20'}' colspan='4' align='left'><b>WLAN Settings</b>
 254 <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>
 255 <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>
 256 <tr><td width='25%' class='base'>Encryption:&nbsp;</td><td class='base' colspan='3'>
 257         <select name='ENC'>
 258                 <option value='none' $selected{'ENC'}{'none'}>none</option>
 259                 <option value='wpa1' $selected{'ENC'}{'wpa1'}>wpa1</option>
 260                 <option value='wpa2' $selected{'ENC'}{'wpa2'}>wpa2</option>
 261         </select>
 262 </td></tr>
 263 <tr><td width='25%' class='base'>Channel:&nbsp;</td><td class='base' colspan='3'>
 264         <select name='CHAN'>
 265 END
 266 ;
 267 foreach $channel (@channellist){
 268         print "<option $selected{'CHAN'}{$channel}>$channel</option>";
 269 }
 270
 271 print <<END
 272 </select></td></tr>
 273 <tr><td width='25%' class='base'>Tx Power:&nbsp;</td><td class='base' colspan='3'><select name='TXPOWER'>
 274 END
 275 ;
 276 foreach $txpower (@txpower){
 277         print "<option $selected{'TXPOWER'}{$txpower}>$txpower</option>&nbsp;dBm";
 278 }
 279 print <<END
 280         </select></td></tr>
 281 <tr><td width='25%' class='base'>Passphrase:&nbsp;</td><td class='base' colspan='3'><input type='text' name='PWD' size='63' value='$wlanapsettings{'PWD'}' /></td></tr>
 282 <tr><td width='25%' class='base'>Loglevel (hostapd):&nbsp;</td><td class='base' width='25%'>
 283         <select name='SYSLOGLEVEL'>
 284                 <option value='0' $selected{'SYSLOGLEVEL'}{'0'}>0 (verbose)</option>
 285                 <option value='1' $selected{'SYSLOGLEVEL'}{'1'}>1 (debugging)</option>
 286                 <option value='2' $selected{'SYSLOGLEVEL'}{'2'}>2 (informations)</option>
 287                 <option value='3' $selected{'SYSLOGLEVEL'}{'3'}>3 (notifications)</option>
 288                 <option value='4' $selected{'SYSLOGLEVEL'}{'4'}>4 (warnings)</option>
 289         </select>
 290 </td>
 291 <td width='25%' class='base'>Debuglevel (hostapd):&nbsp;</td><td class='base' width='25%'>
 292         <select name='DEBUG'>
 293                 <option value='0' $selected{'DEBUG'}{'0'}>0 (verbose)</option>
 294                 <option value='1' $selected{'DEBUG'}{'1'}>1 (debugging)</option>
 295                 <option value='2' $selected{'DEBUG'}{'2'}>2 (informations)</option>
 296                 <option value='3' $selected{'DEBUG'}{'3'}>3 (notifications)</option>
 297                 <option value='4' $selected{'DEBUG'}{'4'}>4 (warnings)</option>
 298         </select>
 299 </td></tr>
 300 </table>
 301 <br />
 302 <table width='10%' cellspacing='0'>
 303 <tr><td align='center'><form method='post' action='$ENV{'SCRIPT_NAME'}'>
 304                                                                                                 <input type='hidden' name='ACTION' value=$Lang::tr{'save'} />
 305                                                                                                 <input type='image' alt='$Lang::tr{'save'}' title='$Lang::tr{'save'}' src='/images/media-floppy.png' /></form></td>
 306 </tr>
 307 </table>
 308 END
 309 ;
 310
 311 if ( $wlanapsettings{'DRIVER'} eq 'MADWIFI' ){
 312          $status =  `cat /proc/net/madwifi/$netsettings{'BLUE_DEV'}/associated_sta`;
 313 }
 314 print <<END
 315 <br />
 316 <table width='95%' cellspacing='0'>
 317 <tr><td bgcolor='$color{'color20'}' colspan='2' align='left'><b>WLAN Status</b></td></tr>
 318 <tr><td><pre>@channellist_cmd</pre></td><td><pre>@txpower_cmd</pre></td></tr>
 319 <tr><td colspan='2'><pre>Connected Stations<br />$status</pre></td></tr>
 320 </table>
 321 END
 322 ;
 323 &Header::closebox();
 324 print "</form>";
 325 &Header::closebigbox();
 326 &Header::closepage();
 327
 328 sub WriteConfig{
 329         &General::writehash("/var/ipfire/wlanap/settings", \%wlanapsettings);
 330 }
 331
 332 sub WriteConfig_hostapd{
 333         $wlanapsettings{'DRIVER_HOSTAPD'} = lc($wlanapsettings{'DRIVER'});
 334
 335         open (CONFIGFILE, ">/var/ipfire/wlanap/hostapd.conf");
 336         print CONFIGFILE <<END
 337 ######################### basic hostapd configuration ##########################
 338
 339 interface=$netsettings{'BLUE_DEV'}
 340 driver=$wlanapsettings{'DRIVER_HOSTAPD'}
 341 logger_syslog=-1
 342 logger_syslog_level=$wlanapsettings{'SYSLOGLEVEL'}
 343 logger_stdout=-1
 344 logger_stdout_level=$wlanapsettings{'DEBUG'}
 345 dump_file=/tmp/hostapd.dump
 346 ignore_broadcast_ssid=0
 347 eapol_key_index_workaround=0
 348 eap_server=0
 349 own_ip_addr=127.0.0.1
 350 auth_algs=3
 351 ctrl_interface=/var/run/hostapd
 352 ctrl_interface_group=0
 353 macaddr_acl=0
 354 END
 355 ;
 356  if ( $wlanapsettings{'HIDESSID'} eq 'on' ){
 357         print CONFIGFILE <<END
 358 ssid=$wlanapsettings{'SSID'}
 359 ignore_broadcast_ssid=2
 360 END
 361 ;
 362
 363  }else{
 364         print CONFIGFILE <<END
 365 ssid=$wlanapsettings{'SSID'}
 366 ignore_broadcast_ssid=0
 367 END
 368 ;
 369
 370  }
 371
 372  if ( $wlanapsettings{'ENC'} eq 'wpa1'){
 373         print CONFIGFILE <<END
 374 ######################### wpa hostapd configuration ############################
 375
 376 wpa=1
 377 wpa_passphrase=$wlanapsettings{'PWD'}
 378 wpa_key_mgmt=WPA-PSK WPA-EAP
 379 wpa_pairwise=CCMP TKIP
 380 END
 381 ;
 382  }elsif ( $wlanapsettings{'ENC'} eq 'wpa2'){
 383         print CONFIGFILE <<END
 384 ######################### wpa hostapd configuration ############################
 385
 386 wpa=2
 387 wpa_passphrase=$wlanapsettings{'PWD'}
 388 wpa_key_mgmt=WPA-PSK WPA-EAP
 389 wpa_pairwise=CCMP TKIP
 390 END
 391 ;
 392  }
 393         close CONFIGFILE;
 394 }