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<?php
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/* $Id$ */
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/*
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interfaces_wlan.inc
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part of m0n0wall (http://m0n0.ch/wall)
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Copyright (C) 2003-2005 Manuel Kasper <mk@neon1.net>.
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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$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);
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function wireless_config_init() {
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global $optcfg, $pconfig;
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$pconfig['standard'] = $optcfg['wireless']['standard'];
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$pconfig['mode'] = $optcfg['wireless']['mode'];
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$pconfig['ssid'] = $optcfg['wireless']['ssid'];
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$pconfig['stationname'] = $optcfg['wireless']['stationname'];
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$pconfig['channel'] = $optcfg['wireless']['channel'];
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$pconfig['txpower'] = $optcfg['wireless']['txpower'];
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$pconfig['wep_enable'] = isset($optcfg['wireless']['wep']['enable']);
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if (is_array($optcfg['wireless']['wep']['key'])) {
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$i = 1;
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foreach ($optcfg['wireless']['wep']['key'] as $wepkey) {
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$pconfig['key' . $i] = $wepkey['value'];
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if (isset($wepkey['txkey']))
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$pconfig['txkey'] = $i;
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$i++;
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}
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if (!isset($wepkey['txkey']))
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$pconfig['txkey'] = 1;
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}
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}
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function wireless_config_post() {
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global $optcfg, $pconfig;
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unset($input_errors);
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/* input validation */
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if ($_POST['enable']) {
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$reqdfields = explode(" ", "mode ssid");
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$reqdfieldsn = explode(",", "Mode,SSID");
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do_input_validation($_POST, $reqdfields, $reqdfieldsn, &$input_errors);
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if (!$input_errors) {
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/* bridge check (hostap only!) */
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if ($pconfig['bridge'] && ($pconfig['mode'] != "hostap"))
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$input_errors[] = "Bridging a wireless interface is only possible in hostap mode.";
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}
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}
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/* loop through keys and enforce size */
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for ($i = 1; $i <= 4; $i++) {
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if ($_POST['key' . $i]) {
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/* 64 bit */
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if(strlen($_POST['key' . $i]) == 5)
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continue;
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if(strlen($_POST['key' . $i]) == 10)
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continue;
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/* 128 bit */
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if(strlen($_POST['key' . $i]) == 13)
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continue;
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if(strlen($_POST['key' . $i]) == 26)
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continue;
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if(strlen($_POST['key' . $i]) == 28)
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continue;
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$input_errors[] = "Invalid wep key size. Sizes should be 40 (64) bit keys or 104 (128) bit.";
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break;
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}
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}
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if (!$input_errors) {
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$optcfg['wireless']['standard'] = $_POST['standard'];
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$optcfg['wireless']['mode'] = $_POST['mode'];
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$optcfg['wireless']['ssid'] = $_POST['ssid'];
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$optcfg['wireless']['stationname'] = $_POST['stationname'];
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$optcfg['wireless']['channel'] = $_POST['channel'];
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$optcfg['wireless']['txpower'] = $_POST['txpower'];
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$optcfg['wireless']['wep']['enable'] = $_POST['wep_enable'] ? true : false;
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$optcfg['wireless']['wep']['key'] = array();
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for ($i = 1; $i <= 4; $i++) {
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if ($_POST['key' . $i]) {
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$newkey = array();
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$newkey['value'] = $_POST['key' . $i];
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if ($_POST['txkey'] == $i)
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$newkey['txkey'] = true;
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$optcfg['wireless']['wep']['key'][] = $newkey;
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}
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}
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}
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return $input_errors;
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}
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function wireless_config_print() {
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global $optcfg, $pconfig, $wlchannels, $g;
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?>
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<tr>
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<td colspan="2" valign="top" height="16"></td>
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</tr>
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<tr>
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<td colspan="2" valign="top" class="listtopic">Wireless configuration</td>
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</tr>
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<?php if (preg_match($g['wireless_regex'], $optcfg['if'])): ?>
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<tr>
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<td valign="top" class="vncellreq">Standard</td>
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<td class="vtable"><select name="standard" class="formfld" id="standard">
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<?php
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$standards = array("11b" => "802.11b", "11g" => "802.11g", "11a" => "802.11a");
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foreach ($standards as $sn => $sv): ?>
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<option value="<?=$sn;?>" <?php if ($sn == $pconfig['standard']) echo "selected";?>>
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<?=$sv;?>
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</option>
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<?php endforeach; ?>
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</select></td>
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</tr>
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<?php endif; ?>
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<tr>
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<td valign="top" class="vncellreq">Mode</td>
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<td class="vtable"><select name="mode" class="formfld" id="mode">
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<?php
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$opts = array();
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if (preg_match($g['wireless_regex'], $optcfg['if']))
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$opts[] = "hostap";
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$opts[] = "BSS";
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$opts[] = "IBSS";
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foreach ($opts as $opt): ?>
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<option <?php if ($opt == $pconfig['mode']) echo "selected";?>>
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<?=htmlspecialchars($opt);?>
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</option>
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<?php endforeach; ?>
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</select> <br>
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Note: IBSS mode is sometimes also called "ad-hoc"
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mode;<br>
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BSS mode is also known as "infrastructure" mode</td>
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</tr>
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<tr>
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<td valign="top" class="vncellreq">SSID</td>
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<td class="vtable"><?=$mandfldhtml;?><input name="ssid" type="text" class="formfld" id="ssid" size="20" value="<?=htmlspecialchars($pconfig['ssid']);?>">
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</td>
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</tr>
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<tr>
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<td valign="top" class="vncellreq">802.11g only</td>
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<td class="vtable">
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<?php
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if(isset($pconfig['pureg']))
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$CHECKED = " CHECKED";
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else
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$CHECKED = "";
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?>
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<input name="pureg" type="checkbox" class="formfld" id="pureg"<?php echo $CHECKED; ?>><br>
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When operating as an access point in 802.11g mode allow only 11g-capable stations to associate (11b-only stations are not permitted to associate).
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</td>
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</tr>
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<tr>
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<td valign="top" class="vncellreq">Transmit power</td>
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<td class="vtable">
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<select name="txpower">
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<?php
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for($x = 100; $x > 0; $x--) {
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if($pconfig["txpower"] == $x)
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$SELECTED = " SELECTED";
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else
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$SELECTED = "";
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echo "<option {$SELECTED}>{$x}</option>\n";
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}
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?>
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</select> <br>
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Note: Typically only a few discreet power settings are available and the driver will use the setting closest to the specified value. Not all adaptors support changing the transmit power setting.
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</td>
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</tr>
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<tr>
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<td valign="top" class="vncellreq">Channel</td>
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<td class="vtable"><select name="channel" class="formfld" id="channel">
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<option <?php if ($pconfig['channel'] == 0) echo "selected";?> value="0">Auto</option>
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<?php
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foreach ($wlchannels as $channel): ?>
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<option <?php if ($channel == $pconfig['channel']) echo "selected";?> value="<?=$channel;?>">
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<?=$channel;?>
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</option>
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<?php endforeach; ?>
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</select> <br>
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Note: Not all channels may be supported by your card</td>
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</tr>
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<tr>
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<td valign="top" class="vncell">Station name</td>
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<td class="vtable"><input name="stationname" type="text" class="formfld" id="stationname" size="20" value="<?=htmlspecialchars($pconfig['stationname']);?>">
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<br>
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Hint: this field can usually be left blank</td>
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</tr>
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<tr>
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<td valign="top" class="vncell">WEP</td>
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<td class="vtable"> <input name="wep_enable" type="checkbox" id="wep_enable" value="yes" <?php if ($pconfig['wep_enable']) echo "checked"; ?>>
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<strong>Enable WEP</strong>
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<table border="0" cellspacing="0" cellpadding="0">
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<tr>
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<td> </td>
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<td> </td>
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<td> TX key </td>
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</tr>
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<tr>
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<td>Key 1: </td>
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<td> <input name="key1" type="text" class="formfld" id="key1" size="30" value="<?=htmlspecialchars($pconfig['key1']);?>"></td>
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<td align="center"> <input name="txkey" type="radio" value="1" <?php if ($pconfig['txkey'] == 1) echo "checked";?>>
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</td>
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</tr>
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<tr>
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<td>Key 2: </td>
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<td> <input name="key2" type="text" class="formfld" id="key2" size="30" value="<?=htmlspecialchars($pconfig['key2']);?>"></td>
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<td align="center"> <input name="txkey" type="radio" value="2" <?php if ($pconfig['txkey'] == 2) echo "checked";?>></td>
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</tr>
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<tr>
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<td>Key 3: </td>
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<td> <input name="key3" type="text" class="formfld" id="key3" size="30" value="<?=htmlspecialchars($pconfig['key3']);?>"></td>
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<td align="center"> <input name="txkey" type="radio" value="3" <?php if ($pconfig['txkey'] == 3) echo "checked";?>></td>
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</tr>
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<tr>
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<td>Key 4: </td>
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<td> <input name="key4" type="text" class="formfld" id="key4" size="30" value="<?=htmlspecialchars($pconfig['key4']);?>"></td>
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<td align="center"> <input name="txkey" type="radio" value="4" <?php if ($pconfig['txkey'] == 4) echo "checked";?>></td>
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</tr>
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</table>
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<br>
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40 (64) bit keys may be entered as 5 ASCII characters or 10
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hex digits preceded by '0x'.<br>
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104 (128) bit keys may be entered as 13 ASCII characters or
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26 hex digits preceded by '0x'.</td>
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</tr>
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<?php } ?>
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