pfSense

<?php 

/* $Id$ */

/*

	interfaces_wlan.inc

	part of m0n0wall (http://m0n0.ch/wall)

	Copyright (C) 2003-2005 Manuel Kasper <mk@neon1.net>.

	All rights reserved.

	Redistribution and use in source and binary forms, with or without

	modification, are permitted provided that the following conditions are met:

	1. Redistributions of source code must retain the above copyright notice,

	   this list of conditions and the following disclaimer.

	2. Redistributions in binary form must reproduce the above copyright

	   notice, this list of conditions and the following disclaimer in the

	   documentation and/or other materials provided with the distribution.

	THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,

	INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY

	AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE

	AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,

	OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

	SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

	INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

	CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

	ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

	POSSIBILITY OF SUCH DAMAGE.

*/

$wlchannels = array(0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,42,44,48,50,52,56,58,60,64,149,152,153,157,160,161,165);

function wireless_config_init() {

	global $optcfg, $pconfig;

	$pconfig['standard'] = $optcfg['wireless']['standard'];

	$pconfig['mode'] = $optcfg['wireless']['mode'];

	$pconfig['ssid'] = $optcfg['wireless']['ssid'];

	$pconfig['stationname'] = $optcfg['wireless']['stationname'];

	$pconfig['channel'] = $optcfg['wireless']['channel'];

	$pconfig['txpower'] = $optcfg['wireless']['txpower'];	

	$pconfig['wep_enable'] = isset($optcfg['wireless']['wep']['enable']);

	if (is_array($optcfg['wireless']['wep']['key'])) {

		$i = 1;

		foreach ($optcfg['wireless']['wep']['key'] as $wepkey) {

			$pconfig['key' . $i] = $wepkey['value'];

			if (isset($wepkey['txkey']))

				$pconfig['txkey'] = $i;

			$i++;

		}

		if (!isset($wepkey['txkey']))

			$pconfig['txkey'] = 1;

	}

}

function wireless_config_post() {

	global $optcfg, $pconfig;

	unset($input_errors);

	/* input validation */

	if ($_POST['enable']) {

		$reqdfields = explode(" ", "mode ssid");

		$reqdfieldsn = explode(",", "Mode,SSID");

		do_input_validation($_POST, $reqdfields, $reqdfieldsn, &$input_errors);

		if (!$input_errors) {

			/* bridge check (hostap only!) */

			if ($pconfig['bridge'] && ($pconfig['mode'] != "hostap"))

				$input_errors[] = "Bridging a wireless interface is only possible in hostap mode.";

		}

	}

	/* loop through keys and enforce size */

	for ($i = 1; $i <= 4; $i++) {

		if ($_POST['key' . $i]) {

			/* 64 bit */

			if(strlen($_POST['key' . $i]) == 5)

				continue;

			if(strlen($_POST['key' . $i]) == 10) {

				/* hex key */

				if(stristr($_POST['key' . $i], "0x") == false) {

					$_POST['key' . $i] = "0x" . $_POST['key' . $i];

				}

				continue;

			}

			if(strlen($_POST['key' . $i]) == 12) {

				/* hex key */

				if(stristr($_POST['key' . $i], "0x") == false) {

					$_POST['key' . $i] = "0x" . $_POST['key' . $i];

				}

				continue;

			}			

			/* 128 bit */

			if(strlen($_POST['key' . $i]) == 13)

				continue;

			if(strlen($_POST['key' . $i]) == 26) {

				/* hex key */

				if(stristr($_POST['key' . $i], "0x") == false) {

					$_POST['key' . $i] = "0x" . $_POST['key' . $i];

				}			

				continue;

			}

			if(strlen($_POST['key' . $i]) == 28)

				continue;

			$input_errors[] =  "Invalid wep key size.   Sizes should be 40 (64) bit keys or 104 (128) bit.";

			break;

		}

	}

	if (!$input_errors) {

		$optcfg['wireless']['standard'] = $_POST['standard'];

		$optcfg['wireless']['mode'] = $_POST['mode'];

		$optcfg['wireless']['ssid'] = $_POST['ssid'];

		$optcfg['wireless']['stationname'] = $_POST['stationname'];

		$optcfg['wireless']['channel'] = $_POST['channel'];

		$optcfg['wireless']['txpower'] = $_POST['txpower'];

		$optcfg['wireless']['wep']['enable'] = $_POST['wep_enable'] ? true : false;

		$optcfg['wireless']['wep']['key'] = array();

		for ($i = 1; $i <= 4; $i++) {

			if ($_POST['key' . $i]) {

				$newkey = array();

				$newkey['value'] = $_POST['key' . $i];

				if ($_POST['txkey'] == $i)

					$newkey['txkey'] = true;

				$optcfg['wireless']['wep']['key'][] = $newkey;

			}

		}

	}

	return $input_errors;

}

function wireless_config_print() {

	global $optcfg, $pconfig, $wlchannels, $g;

?>

<script language="JavaScript">

	function openwindow(url) {

		var oWin = window.open(url,"pfSensePop","width=620,height=400,top=150,left=150");

		if (oWin==null || typeof(oWin)=="undefined") {

			return false;

		} else {

			return true;

		}

	}

</script>

                <tr> 

                  <td colspan="2" valign="top" height="16"></td>

				</tr>

                <tr> 

                  <td colspan="2" valign="top" class="listtopic">Wireless configuration</td>

				</tr>

				<?php if (preg_match($g['wireless_regex'], $optcfg['if'])): ?>

                <tr>

                  <td valign="top" class="vncellreq">Standard</td>

                  <td class="vtable"><select name="standard" class="formfld" id="standard">

                      <?php

					  $standards = array("11b" => "802.11b", "11g" => "802.11g", "11a" => "802.11a");

					  foreach ($standards as $sn => $sv): ?>

                      <option value="<?=$sn;?>" <?php if ($sn == $pconfig['standard']) echo "selected";?>>

                      <?=$sv;?>

                      </option>

                      <?php endforeach; ?>

                    </select></td>

                </tr>

				<?php endif; ?>

                <tr> 

                  <td valign="top" class="vncellreq">Mode</td>

                  <td class="vtable"><select name="mode" class="formfld" id="mode">

                      <?php 

						$opts = array();

						if (preg_match($g['wireless_regex'], $optcfg['if']))

							$opts[] = "hostap";							

						$opts[] = "BSS";

						$opts[] = "IBSS";

				foreach ($opts as $opt): ?>

                      <option <?php if ($opt == $pconfig['mode']) echo "selected";?>> 

                      <?=htmlspecialchars($opt);?>

                      </option>

                      <?php endforeach; ?>

                    </select> <br>

                    Note: IBSS mode is sometimes also called "ad-hoc" 

                    mode;<br>

                    BSS mode is also known as &quot;infrastructure&quot; mode</td>

				</tr>

                <tr> 

                  <td valign="top" class="vncellreq">SSID</td>

                  <td class="vtable"><?=$mandfldhtml;?><input name="ssid" type="text" class="formfld" id="ssid" size="20" value="<?=htmlspecialchars($pconfig['ssid']);?>">

                  </td>

                </tr>

                <tr> 

                  <td valign="top" class="vncellreq">802.11g only</td>

                  <td class="vtable">

		  <?php

			if(isset($pconfig['pureg']))

				$CHECKED = " CHECKED";

			else

				$CHECKED = "";

		  ?>

		  <input name="pureg" type="checkbox" class="formfld" id="pureg"<?php echo $CHECKED; ?>><br>

		  When operating as an access point in 802.11g mode allow only 11g-capable stations to associate (11b-only stations are not permitted to associate).

                  </td>

                </tr>

                <tr> 

                  <td valign="top" class="vncellreq">Transmit power</td>

                  <td class="vtable">

			<select name="txpower">

				<?php

				for($x = 99; $x > 0; $x--) {

					if($pconfig["txpower"] == $x)

						$SELECTED = " SELECTED";

					else

						$SELECTED = "";

					echo "<option {$SELECTED}>{$x}</option>\n";

				}

				?>

			</select> <br>

			Note: Typically only a few discreet power settings are available and the driver will use the setting closest to the specified value.  Not all adaptors support changing the transmit power setting.

                  </td>

                </tr>

                <tr> 

                  <td valign="top" class="vncellreq">Channel</td>

                  <td class="vtable"><select name="channel" class="formfld" id="channel">

                      <option <?php if ($pconfig['channel'] == 0) echo "selected";?> value="0">Auto</option>

                      <?php

					  foreach ($wlchannels as $channel): ?>

                      <option <?php if ($channel == $pconfig['channel']) echo "selected";?> value="<?=$channel;?>">

                      <?=$channel;?>

                      </option>

                      <?php endforeach; ?>

                    </select> <br>

                    Note: Not all channels may be supported by your card</td>

                </tr>

                <tr> 

                  <td valign="top" class="vncell">Station name</td>

                  <td class="vtable"><input name="stationname" type="text" class="formfld" id="stationname" size="20" value="<?=htmlspecialchars($pconfig['stationname']);?>"> 

                    <br>

                    Hint: this field can usually be left blank</td>

                </tr>

                <tr> 

                  <td valign="top" class="vncell">WEP</td>

                  <td class="vtable"> <input name="wep_enable" type="checkbox" id="wep_enable" value="yes" <?php if ($pconfig['wep_enable']) echo "checked"; ?>> 

                    <strong>Enable WEP</strong>

                    <table border="0" cellspacing="0" cellpadding="0">

                      <tr> 

                        <td>&nbsp;</td>

                        <td>&nbsp;</td>

                        <td>&nbsp;TX key&nbsp;</td>

                      </tr>

                      <tr> 

                        <td>Key 1:&nbsp;&nbsp;</td>

                        <td> <input name="key1" type="text" class="formfld" id="key1" size="30" value="<?=htmlspecialchars($pconfig['key1']);?>"></td>

                        <td align="center"> <input name="txkey" type="radio" value="1" <?php if ($pconfig['txkey'] == 1) echo "checked";?>> 

                        </td>

                      </tr>

                      <tr> 

                        <td>Key 2:&nbsp;&nbsp;</td>

                        <td> <input name="key2" type="text" class="formfld" id="key2" size="30" value="<?=htmlspecialchars($pconfig['key2']);?>"></td>

                        <td align="center"> <input name="txkey" type="radio" value="2" <?php if ($pconfig['txkey'] == 2) echo "checked";?>></td>

                      </tr>

                      <tr> 

                        <td>Key 3:&nbsp;&nbsp;</td>

                        <td> <input name="key3" type="text" class="formfld" id="key3" size="30" value="<?=htmlspecialchars($pconfig['key3']);?>"></td>

                        <td align="center"> <input name="txkey" type="radio" value="3" <?php if ($pconfig['txkey'] == 3) echo "checked";?>></td>

                      </tr>

                      <tr> 

                        <td>Key 4:&nbsp;&nbsp;</td>

                        <td> <input name="key4" type="text" class="formfld" id="key4" size="30" value="<?=htmlspecialchars($pconfig['key4']);?>"></td>

                        <td align="center"> <input name="txkey" type="radio" value="4" <?php if ($pconfig['txkey'] == 4) echo "checked";?>></td>

                      </tr>

                    </table>

                    <br>

                    40 (64) bit keys may be entered as 5 ASCII characters or 10 

                    hex digits preceded by '0x'.<br>

                    104 (128) bit keys may be entered as 13 ASCII characters or 

                    26 hex digits preceded by '0x'.

		    <p>For assistance with creating keys, please see

		       <a href="javascript:if(openwindow('/wlan_strong_key_generator/generator.php') == false) alert('Popup blocker detected.  Action aborted.');">WLAN Strong Key Generator</a>.

		   </td>

                </tr>

<?php } ?>