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dhcp.php
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<?php
/*
* dhcp.php
*
* Copyright (C) 2013-2014 by Erland Hedman <[email protected]>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
include 'cgi-bin/common.php';
//if (count($_POST)) {echo "<pre>"; print_r($_POST); echo "</pre>";exit;}
$dest="";
if (count($_GET) && $_GET["refresh"] == 1) {
@system("leases " .g_lan()." ".g_domain().">/tmp/reslist");
}
if (count($_POST) && $_POST["POST_ACTION"] == "OK") {
if ($_POST["f_dhcp_enable"] == 1) {
if (snCheck($_POST) == false)
die();
}
if (!function_exists('pcntl_fork')) die('PCNTL functions not available on this PHP installation');
$pid = pcntl_fork();
if ($pid == -1) {
echo("<pre>pcntl_fork: failed - check the extension for pcntl.so\n");
print_r(error_get_last());
echo "</pre>\n"; exit;
} else if (!$pid) {
// We are the child
$dhs = g_srvstat("named");
@system("/usr/bin/systemctl stop isc-dhcp-server");
do_dhcpd(implode(" ", $_POST));
if (g_connectionType(g_wan()) === "static")
do_setStatic(g_ip(g_wan()),g_mask(g_wan()),g_gateway(),gethostname(),$_POST["f_server_ip"],$_POST["f_server_nmsk"], g_mode(), g_wan(), g_lan(), g_lan1());
else
do_setDhcp(gethostname(),$_POST["f_server_ip"],$_POST["f_server_nmsk"], g_mode(), g_wan(), g_lan(), g_lan1());
ifsrv(g_srvlan().":srv", g_srvip());
if($dhs == true)
@system("/usr/bin/systemctl restart bind9");
if ($_POST["f_dhcp_enable"] == 1) {
@system("/usr/bin/systemctl enable isc-dhcp-server");
@system("/usr/bin/systemctl restart isc-dhcp-server");
} else {
@system("/usr/bin/systemctl disable isc-dhcp-server");
}
@system("alleases ".g_domain().">/tmp/dmlist &");
@system("leases " .g_lan()." ".g_domain().">/tmp/reslist");
@system("echo 'DEST=127.0.0.1; INTERFACES=".g_lan().";' > /etc/default/watchdog.dest");
} else {
if ($_SERVER["SERVER_ADDR"] == g_srvip())
$dest="&ip=".$_SERVER["SERVER_ADDR"];
else {
if ($_SERVER["SERVER_ADDR"] != g_ip(g_lan()))
$dest="&ip=".g_ip(g_wan());
}
header('Location: http://'. $_SERVER["SERVER_ADDR"]. '/wait.php?seconds=25&loc='.$_SERVER['SCRIPT_NAME'].$dest);
exit;
}
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel="stylesheet" type="text/css" href="/css/bridge.css">
<title><?php p_title(); ?></title>
<script>
<?php setTimeout(); ?>
<?php include 'inc/general.js.php' ?>
function onchange_dhcp()
{
var f=getObj("form");
if (f.dhcp_enable.checked == false) {
getObj("show_dhcp_res").style.display = "none";
getObj("show_dhcp_rlist").style.display = "none";
getObj("show_dhcp_domain").style.display = "none";
getObj("show_dhcp_items").style.display = "none";
getObj("show_dhcp_dlist").style.display = "none";
f.f_dhcp_enable.value = 0;
} else {
getObj("show_dhcp_res").style.display = "block";
getObj("show_dhcp_rlist").style.display = "block";
getObj("show_dhcp_domain").style.display = "block";
getObj("show_dhcp_items").style.display = "block";
getObj("show_dhcp_dlist").style.display = "block";
f.f_dhcp_enable.value = 1;
}
return true;
}
function onchange_dns_relay()
{
var f=getObj("form");
if (f.dns_relay.checked == true) {
getObj("show_domain_items").style.display = "none";
f.f_dns_relay.value = 1;
} else {
getObj("show_domain_items").style.display = "block";
f.f_dns_relay.value = 0;
}
return true;
}
function checkPage()
{
var f=getObj("form");
if (isFieldBlank(f.server_ip.value) == true) {
f.server_ip.select();
alert("Blank Server IP-address");
return false;
}
if (isFieldBlank(f.server_nmsk.value) == true) {
f.server_nmsk.select();
alert("Blank Server Subnet Mask");
return false;
}
if (isFieldBlank(f.start_ip.value) == true) {
f.start_ip.select();
alert("Blank Start IP-address");
return false;
}
if (isFieldBlank(f.end_ip.value) == true) {
f.end_ip.select();
alert("Blank End IP-address");
return false;
}
if (isFieldBlank(f.lease_time.value) == true) {
f.lease_time.select();
alert("Blank Lease Time");
return false;
}
if (isDecimal(f.lease_time.value) == false) {
alert("Invalid Lease Time value "+f.lease_time.value);
f.lease_time.select();
return false;
}
if (isIPValid(f.server_ip) == false) {
alert("Invalid Server IP-address "+f.server_ip.value);
f.server_ip.select();
return false;
}
if (isSubnetSame("<?php echo VPNET.".0" ?>", f.server_ip.value, f.server_nmsk.value) == false) {
alert("The Server IP address ("+f.server_ip.value+") conflicts with the LAN's VPN subnet.\nUse another subnet.");
f.server_ip.select();
return false;
}
if (isNetmaskValid(f.server_nmsk) == false) {
alert ("Invalid Subnet Mask");
f.server_nmsk.select();
return false;
}
if (isFieldBlank(f.domain_name.value) == true || isFieldAscii(f.domain_name.value) == false || f.domain_name.value == "unknown") {
alert ("Invalid Domain Name");
f.domain_name.select();
return false;
}
if (isSubnetSame("<?php p_ip(g_wan()) ?>", f.server_ip.value, f.server_nmsk.value) == false) {
alert("The Server IP address ("+f.server_ip.value+") conflicts with the WAN's subnet (<?php p_ip(g_wan()) ?>).\nUse another subnet.");
return false;
}
if (isIPValid(f.start_ip) == false) {
alert("Invalid Start IP-address "+f.start_ip.value);
f.start_ip.select();
return false;
}
if (isIPValid(f.end_ip) == false) {
alert("Invalid End IP-address "+f.end_ip.value);
f.end_ip.select();
return false;
}
if (isSubnetSame(f.start_ip.value, f.server_ip.value, f.server_nmsk.value) == true) {
alert("Wrong subnet on Start IP-address "+f.start_ip.value);
f.start_ip.select();
return false;
}
if (isSubnetSame(f.end_ip.value, f.server_ip.value, f.server_nmsk.value) == true) {
alert("Wrong subnet on End IP-address "+f.end_ip.value);
f.end_ip.select();
return false;
}
if (f.dns_relay.checked == false) {
if (isFieldBlank(f.domain_dns1.value) == true) {
f.domain_dns1.select();
alert("Blank Primary DNS IP-address");
return false;
}
if (isIPValid(f.domain_dns1) == false) {
alert("Invalid Primary DNS IP-address "+f.domain_dns1.value);
f.domain_dns1.select();
return false;
}
if (<?php echo g_srvstat("named")? "1":"0" ?>) {
if (f.domain_dns1.value != f.server_ip.value) {
f.domain_dns1.select();
if (confirm('The Primary DNS Server is not set to\n this <?php p_mode(); ?>s\' running DNS Server. Correct?')) {
f.domain_dns1.value = f.server_ip.value;
} else return false;
}
if (<?php echo g_spfhere()? "1":"0" ?>) {
if (f.server_ip.value != "<?php p_ip(g_lan()) ?>")
alert("The Redirect spam to I.P property\nin the DNS page needs to be updated");
}
} else {
if (f.domain_dns1.value == "<?php p_ip(g_lan()) ?>" || f.domain_dns2.value == "<?php p_ip(g_lan()) ?>") {
if (!confirm("You have chosen this <?php p_mode(); ?> as the Primary DNS server for your network.\nPlease also enable the DNS server under the DNS menu or choose another DNS server."))
return false;
}
}
if (isFieldBlank(f.domain_dns2.value) == false) {
if (isIPValid(f.domain_dns2) == false) {
alert("Invalid Secondary DNS IP-address "+f.domain_dns2.value);
f.domain_dns2.select();
return false;
}
}
}
if (f.f_remove_res.value == 1) {
var rows = getObj("restable").getElementsByTagName("tbody")[0].getElementsByTagName("tr").length;
for( var i=1; i < rows-2; i++ ) {
if (getObj("reserved_" +i +"_st").value == 0)
getObj("reserved_" +i +"_st").value = 3
}
}
f.f_server_ip.value = f.server_ip.value;
f.f_server_nmsk.value = f.server_nmsk.value;
f.f_start_ip.value = f.start_ip.value;
f.f_end_ip.value = f.end_ip.value;
f.f_lease_time.value = f.lease_time.value;
f.f_domain_name.value = f.domain_name.value;
<?php if (g_srvstat("named") == false) { ?>
f.f_domain_dns1.value = f.domain_dns1.value;
f.f_domain_dns2.value = f.domain_dns2.value;
<?php }?>
if (f.dns_relay.checked == true && <?php echo g_srvstat("named")? "1==0":"1==1" ?>) {
f.f_dns_relay.value = 1;
} else { f.f_dns_relay.value = 0; }
f.POST_ACTION.value = "OK";
f.submit();
return true;
}
function check_res()
{
var f=getObj("form");
if (rowIndx >= <?php echo C_MAX ?>) {
alert("Attempt to exceed the limit for a class C netwok (<?php echo C_MAX ?>)");
return false;
}
if (isFieldBlank(f.res_ip.value) == true) {
alert ("The IP Address field cannot be blank");
f.res_ip.select();
return false;
}
if (isFieldBlank(f.res_mac.value) == true) {
alert ("The MAC Address field cannot be blank");
f.res_mac.select();
return false;
}
if (!isIPValid(f.res_ip)) {
alert("Invalid IP-address "+f.res_ip.value);
return false;
}
if (isFieldBlank(f.res_nm.value) == true) {
f.res_nm.select();
alert("A computer Name is required");
return false;
}
if (! /^[a-zA-Z0-9\-]+$/.test(f.res_nm.value)) {
field_focus(f.res_nm, "**");
alert("Illegal characters in Computer Name");
return false;
}
var rs=f.start_ip.value.split('.')[3];
var re=f.end_ip.value.split('.')[3];
for( var i=1; i < rowIndx-1; i++ ) {
if (f.res_st.value != 2) {
if (f.res_ip.value == getObj("reserved_"+i+"_ip").value) {
alert("The IP address ("+f.res_ip.value+") is already used."); return false;
}
if (isSubnetSame("<?php p_ip(g_lan()) ?>", f.res_ip.value, "<?php p_mask(g_lan()) ?>")) {
alert("The IP address ("+f.res_ip.value+") is not in this DHCP Server's subnet."); return false;
}
if (f.res_nm.value == getObj("reserved_"+i+"_nm").value) {
alert("The Name ("+f.res_nm.value+") is already used."); return false;
}
if (f.res_mac.value == getObj("reserved_"+i+"_mac").value) {
alert("The MAC Address ("+f.res_mac.value+") is already used."); return false;
}
}
var nip=f.res_ip.value.split('.')[3];
if (nip > re || nip < rs)
continue;
else {
f.res_ip.select();
alert("Attempt to make a static reservation within the \nDynamic Adress Range ("+f.start_ip.value+"-"+f.end_ip.value+")");
return false;
}
}
var rowIndxD = getObj("restable-d").getElementsByTagName("tbody")[0].getElementsByTagName("tr").length;
for( var i=1; i < rowIndxD; i++ ) {
if (f.res_st.value!=2) {
if (f.res_ip.value == getObj("d-reserved_"+i+"_ip").value) {
alert("The IP address ("+f.res_ip.value+") is already used."); return false;
}
if (isSubnetSame("<?php p_ip(g_lan()) ?>", f.res_ip.value, "<?php p_mask(g_lan()) ?>")) {
alert("The IP address ("+f.res_ip.value+") is not on this DHCP Server's subnet."); return false;
}
if (f.res_nm.value == getObj("d-reserved_"+i+"_nm").value) {
alert("Name ("+f.res_nm.value+") is already used."); return false;
}
if (f.res_mac.value == getObj("d-reserved_"+i+"_mac").value) {
alert("The MAC Address ("+f.res_mac.value+") is already used."); return false;
}
}
var nip=f.res_ip.value.split('.')[3];
if (nip > re || nip < rs)
continue;
else {
f.res_ip.select();
alert("Attempt to make a static reservation within the \nDynamic Adress Range ("+f.start_ip.value+"-"+f.end_ip.value+")");
return false;
}
if (f.res_st.value==2) break;
}
if (!isMacVaild(f.res_mac)) {
alert("Invalid MAC-address");
f.res_mac.select();
return false;
}
var st_val = (f.res_st.value==2? 2:1);
var table = getObj("restable");
var row = table.insertRow(rowIndx);
var mac = row.insertCell(0);
var ip = row.insertCell(1);
var resn = row.insertCell(2);
var data = row.insertCell(3);
var nindx = rowIndx;
mac.innerHTML = f.res_mac.value;
ip.innerHTML = f.res_ip.value;
var rnnm = f.res_nm.value;
resn.innerHTML='<input name="reserved_'+nindx+'_st" id="reserved_'+nindx+'_st" value="'+st_val+'" type="hidden">'+rnnm;
var stat='<input type="checkbox" id="reserved_'+nindx+'_item" checked="checked" onclick="check_resitem('+nindx+')">';
var nmac='<input name="reserved_'+nindx+'_mac" id="reserved_'+nindx+'_mac" value="'+f.res_mac.value+'" type="hidden">';
var nip='<input name="reserved_'+nindx+'_ip" id="reserved_'+nindx+'_ip" value="'+f.res_ip.value+'" type="hidden">';
var rname='<input name="reserved_'+nindx+'_nm" id="reserved_'+nindx+'_nm" value="'+rnnm+'" type="hidden">';
data.innerHTML = stat+nmac+nip+rname;
data.style.textAlign = "center";
rowIndx++;
restartTimeout();
f.res_st.value=0;
return true;
}
function check_copy()
{
var f=getObj("form");
f.res_ip.value="<?php echo $_SERVER['REMOTE_ADDR']; ?>";
f.res_mac.value="<?php system('arp -n | grep '.$_SERVER['REMOTE_ADDR']." | grep ether | awk '{print $3}' | tr -d '\n'"); ?>";
f.res_nm.value="<?php system("if [ \"`pidof named`\" ]; then nslookup ".$_SERVER['REMOTE_ADDR']." localhost | grep name | awk '{gsub(\".".g_domain().".\",\"\");printf \"%s\", $4}'; fi"); ?>";
if (f.res_nm.value == "")
f.res_nm.value="<?php system('nbtscan -q '.$_SERVER['REMOTE_ADDR']." | awk '{print tolower(".'$2'.")}' | tr -d '\n'") ?>";
return true;
}
function check_resitem(n)
{
var cb=getObj("reserved_" +n +"_item");
var st=getObj("reserved_" +n +"_st");
st.value = (cb.checked ? "1" : "0");
return true;
}
function check_dynresitem(n)
{
var f=getObj("form");
var rnmac=getObj("d-reserved_" +n +"_mac");
var rnip=getObj("d-reserved_" +n +"_ip");
var rnnm=getObj("d-reserved_" +n +"_nm");
f.res_ip.value=rnip.value;
f.res_mac.value=rnmac.value;
f.res_nm.value=rnnm.value;
restartTimeout();
f.res_st.value=2;
getObj("d-reserved_" +n +"_btn").disabled=true;
return true;
}
function check_remove()
{
var f=getObj("form");
f.f_remove_res.value = (f.remove_res.checked ? 1:0);
return true;
}
function get_mac(val)
{
var f=getObj("form");
var a = val.split('-');
f.res_mac.value = a[0];
f.res_ip.value = a[1];
return true;
}
var rowIndx=0;
function initPage()
{
var f=getObj("form");
if (<?php if(g_srvstat("dhcpd")) echo "true"; else echo "false"; ?>) {
getObj("show_dhcp_res").style.display = "block";
getObj("show_dhcp_rlist").style.display = "block";
getObj("show_dhcp_domain").style.display = "block";
getObj("show_dhcp_items").style.display = "block";
getObj("show_dhcp_dlist").style.display = "block";
f.f_dhcp_enable.value = 1;
} else {
getObj("show_dhcp_res").style.display = "none";
getObj("show_dhcp_rlist").style.display = "none";
getObj("show_dhcp_domain").style.display = "none";
getObj("show_dhcp_items").style.display = "none";
getObj("show_dhcp_dlist").style.display = "none";
f.f_dhcp_enable.value = 0;
}
if (<?php if(g_dnsrelay()) echo "true"; else echo "false"; ?>) {
getObj("show_domain_items").style.display = "none";
f.f_dns_relay.value = 1;
} else {
getObj("show_domain_items").style.display = "block";
f.f_dns_relay.value = 0;
}
if (<?php if(g_srvstat("named")) echo "0"; else echo "1"; ?>) {
getObj("show_dhcp_relay").style.display = "block";
f.f_dns_relay.value = 0;
}
rowIndx = getObj("restable").getElementsByTagName("tbody")[0].getElementsByTagName("tr").length
rowIndx--;
return true;
}
</script>
</head>
<body onload="initPage();"><script>onbody();</script>
<form name="form" id="form" method="post" action="<?php echo $_SERVER['SCRIPT_NAME']; ?>" onsubmit="return checkPage();">
<input name="POST_ACTION" value="" type="hidden">
<input name="f_dhcp_enable" id="f_dhcp_enable" value="0" type="hidden">
<input name="f_server_ip" id="f_server_ip" value="0" type="hidden">
<input name="f_server_nmsk" id="f_server_nmsk" value="0" type="hidden">
<input name="f_start_ip" id="f_start_ip" value="0" type="hidden">
<input name="f_end_ip" id="f_end_ip" value="0" type="hidden">
<input name="f_lease_time" id="f_lease_time" value="0" type="hidden">
<input name="f_remove_res" id="f_remove_res" value="0" type="hidden">
<input name="f_domain_name" id="f_domain_name" value="0" type="hidden">
<input name="f_domain_dns1" id="f_domain_dns1" value="<?php p_domains(1); ?>" type="hidden">
<input name="f_domain_dns2" id="f_domain_dns2" value="<?php p_domains(2); ?>" type="hidden">
<input name="f_dns_relay" id="f_dns_relay" value="0" type="hidden">
<input name="f_wan" id="f_wan" value="<?php echo g_wan(); ?>" type="hidden">
<input name="f_lan" id="f_lan" value="<?php echo g_lan(); ?>" type="hidden">
<input name="f_lan1" id="f_lan1" value="<?php echo g_lan1(); ?>" type="hidden">
<table id="topContainer">
<tr>
<td class="laCN">Project Page : <a href="<?php p_productHome(); ?>" target=_blank><?php p_serverName(); ?></a></td>
<td class="raCN">Version : <?php p_firmware("-ro");?> </td>
</tr>
</table>
<table id="topTable">
<tr>
<td id="topBarLeft"><a id="logo" href="<?php p_productHome(); ?>"></a></td>
<td id="topBarRight"></td>
</tr>
</table>
<table id="topMenuTable">
<tr>
<td class="ledPanel">
<img class="led" alt="fwstat" title="Firewall" src="/img/<?php echo g_srvstat("shorewall")? "on":"off" ?>.png">
<img class="led" alt="dnsstat" title="DNS" src="/img/<?php echo g_srvstat("named")? "on":"off" ?>.png">
<img class="led" alt="dhcpstat" title="DHCP" src="/img/<?php echo g_srvstat("dhcpd")? "on":"off" ?>.png">
</td>
<td class="topMenuLink"><a href="/network.php">Setup</a></td>
<td class="topMenuThis"><a href="/advanced.php">Advanced</a></td>
<td class="topMenuLink"><a href="/admin.php">MAINTENANCE</a></td>
<td class="topMenuLink"><a href="/status.php">Status</a></td>
<td class="topMenuLink"><a href="/logout.php"><span id="timer"></span></a></td>
</tr>
</table>
<table id="mainContentTable">
<tr style="vertical-align: top;">
<td class="leftMenyContatiner">
<div class="leftNavLink">
<ul style="width: 100%">
<li><div class="leftnavLink"><a href="/network.php">Network</a></div></li>
<?php if (g_haswifi()) { ?><li><div class="leftnavLink"><a href="/wireless.php">Wireless</a></div></li><?php }?>
<li><div id="left" class="navThis">DHCP</div></li>
<li><div class="leftnavLink"><a href="/dns.php">DNS</a></div></li>
<li><div class="leftnavLink"><a href="/firewall.php">Security</a></div></li>
</ul>
</div>
</td>
<td id="contentHeading">
<div id="contentBox">
<h1>LAN and DHCP Settings</h1>
Use this section to configure the internal network settings of your
<?php p_mode(); ?> and also to configure the built-in DHCP Server to assign IP
addresses to the devices on your network.
<br><br>
<input value="Save Settings" type="submit">
<input value="Don't Save Settings" onclick="cancelSettings()" type="button">
</div><div class="vbr"></div>
<div class="actionBox">
<h2 class="actionHeader">LAN and DHCP Server Settings</h2>
<p>The DHCP server automatically assigns IP addresses to devices on your local network.
<br>To configure a static LAN address only, uncheck Enable DHCP.
</p>
<div>
<table>
<tr>
<td class="raCB" style="width: 40%">Server IP Address :</td>
<td class="laCB">
<input type="text" id="server_ip" size="16" maxlength="15" value="<?php p_srvip(); ?>">
</td>
</tr>
<tr class="show_dhcp_data">
<td class="raCB">Server Subnet Mask :</td>
<td class="laCB">
<input type="text" id="server_nmsk" size="16" maxlength="15" value="<?php p_mask(g_lan()); ?>">
</td>
</tr>
</table>
</div>
<div id="show_dhcp_items">
<table>
<tr>
<td class="raCB" style="width: 40%">DHCP Adress Range :</td>
<td class="laCBb">
<input id="start_ip" size="16" maxlength="15" value="<?php p_startip(); ?>" type="text">
to
<input id="end_ip" size="16" maxlength="15" value="<?php p_endip(); ?>" type="text">
</td>
</tr>
<tr>
<td class="raCB">Lease Time :</td>
<td class="laCB">
<input id="lease_time" size="16" maxlength="15" value="<?php p_leasetime(); ?>" type="text">
</td>
</tr>
</table>
</div>
<table>
<tr>
<td style="text-align:right">
Enable DHCP
<input type="checkbox" id="dhcp_enable" onChange="onchange_dhcp();"<?php if(g_srvstat("dhcpd")) echo ' checked="checked"'; ?>>
</td>
</tr>
</table>
</div><div class="vbr"></div>
<div class="actionBox" id="show_dhcp_domain">
<h2 class="actionHeader">Local Domain</h2>
<div id="show_domain_items">
<table>
<tr>
<td class="raCB" style="width: 40%">Domain Name :</td>
<td class="laCB">
<input id="domain_name" size="16" maxlength="32" value="<?php p_domain(); ?>" type="text">
</td>
</tr>
<tr>
<td class="raCB">Primary DNS Server :</td>
<td class="laCB">
<input <?php echo g_srvstat("named")? "disabled title='Defined by this DNS' ":"" ?>id="domain_dns1" size="16" maxlength="15" value="<?php p_domains(1); ?>" type="text">
</td>
</tr>
<tr>
<td class="raCB">Secondary DNS Server :</td>
<td class="laCB">
<input <?php echo g_srvstat("named")? "disabled title='Defined by this DNS' ":"" ?>id="domain_dns2" size="16" maxlength="15" value="<?php p_domains(2); ?>" type="text">
</td>
</tr>
</table>
</div>
<div id="show_dhcp_relay" style="display:none">
<table>
<tr>
<td style="text-align:right">
Enable DNS Relay
<input type="checkbox" id="dns_relay" onchange="onchange_dns_relay();"<?php if(g_dnsrelay()) echo ' checked="checked"'; ?>>
</td>
</tr>
</table>
</div>
</div><div class="vbr"></div>
<div class="actionBox" id="show_dhcp_res">
<h2 class="actionHeader">Add DHCP Reservation</h2>
<table>
<tr>
<td class="raCB" style="width: 40%">MAC Address :</td>
<td class="laCB">
<input id="res_mac" size="16" maxlength="17" value="" type="text">
<input id="res_st" value="0" type="hidden">
</td>
<td style="text-align:right">
<input type="button" value="Your PC" onclick="check_copy();">
</td>
</tr>
<tr>
<td class="raCB">IP Address :</td>
<td colspan="2" class="laCB">
<input id="res_ip" size="16" maxlength="20" value="" type="text">
</td>
</tr>
<tr>
<td class="raCB">Computer Name :</td>
<td class="laCB">
<input id="res_nm" size="16" maxlength="20" value="" type="text">
</td>
<td style="text-align:right">
<input type="button" value="Add" onclick="check_res();">
</td>
</tr>
</table>
</div><div class="vbr"></div>
<div class="actionBox" id="show_dhcp_rlist" style="overflow-y:auto;max-height:250px;">
<h2 class="actionHeader">DHCP Reservations List</h2>
<table id="restable">
<tbody>
<tr>
<td style="width:100px">Mac-address</td>
<td style="width:70px">IP-address</td>
<td style="width:200px">Host Name @<?php p_domain() ?></td>
<td style="width:20px">Enabled</td>
</tr>
<tr>
<td><?php p_mac(g_lan()) ?></td>
<td><?php p_ip(g_lan()) ?></td>
<td><?php p_nodeName(); if (g_spfhere()&&g_srvstat("named")) {echo ": with URL filter "; p_spfredir();} ?></td>
<td style="text-align:center">this <?php p_mode(); ?></td>
</tr>
<?php
if (($fd = fopen("/tmp/reslist", "r")) == NULL)
die("bummer");
$record=1;
while (!feof($fd)) {
$str=trim(fgets($fd));
if ($str == "") continue;
if (preg_match("/#/", $str) == true) {
$checked=""; $st=0; $str=preg_replace('/#/', "", $str);
} else {
$checked=' checked="checked"'; $st=1;
}
$a=explode(",", $str);
if ($a[3] == 0) continue;
$mac=$a[0]; $name=$a[1]; $ip=$a[2];
?>
<tr>
<td><?php echo $mac;?></td>
<td><?php echo $ip;?></td>
<td><input name="reserved_<?php echo $record;?>_st" id="reserved_<?php echo $record;?>_st" value="<?php echo $st;?>" type="hidden"><?php echo $name;?></td>
<td style="text-align:center">
<input type="checkbox" id="reserved_<?php echo $record;?>_item"<?php echo$checked;?> onchange="check_resitem(<?php echo $record;?>)">
<input name="reserved_<?php echo $record;?>_mac" id="reserved_<?php echo $record;?>_mac" value="<?php echo $mac;?>" type="hidden">
<input name="reserved_<?php echo $record;?>_ip" id="reserved_<?php echo $record;?>_ip" value="<?php echo $ip;?>" type="hidden">
<input name="reserved_<?php echo $record;?>_nm" id="reserved_<?php echo $record;?>_nm" value="<?php echo $name;?>" type="hidden">
</td>
</tr>
<?php
$record++;
}
@fclose($fd);
?>
<tr>
<td colspan="4" style="text-align:right">
Delete disabled items
<input type="checkbox" id="remove_res" onchange="check_remove();">
<input id="n_res" value="<?php echo $record ?>" type="hidden">
</td>
</tr>
</tbody>
</table>
</div><div class="vbr"></div>
<div class="actionBox" id="show_dhcp_dlist" style="overflow-y:auto;max-height:250px;">
<h2 class="actionHeader">Dynamic DHCP Clients</h2>
<table id="restable-d">
<tbody>
<tr>
<td style="width:100px">Mac-address</td>
<td style="width:70px">IP-address</td>
<td style="width:200px">Host Name @<?php p_domain() ?></td>
<td style="width:20px">Reserve</td>
</tr>
<?php
if (($fd = fopen("/tmp/reslist", "r")) == NULL)
die("bummer");
$record=1;
while (!feof($fd)) {
$str=trim(fgets($fd));
if ($str == "") continue;
$a=explode(",", $str);
if ($a[3] == 1) continue;
$mac=$a[0]; $name=$a[2]; $ip=$a[1];
?>
<tr>
<td><?php echo $mac;?></td>
<td><?php echo$ip;?></td>
<td><?php echo $name;?></td>
<td>
<input style="width:100%" title="Add as static reservation" type="button" value="Add" id="d-reserved_<?php echo $record;?>_btn" onclick="check_dynresitem(<?php echo $record;?>)">
<input id="d-reserved_<?php echo $record;?>_mac" value="<?php echo $mac;?>" type="hidden">
<input id="d-reserved_<?php echo $record;?>_ip" value="<?php echo$ip;?>" type="hidden">
<input id="d-reserved_<?php echo $record;?>_nm" value="<?php echo $name;?>" type="hidden">
</td>
</tr>
<?php
$record++;
}
@fclose($fd);
?>
</tbody>
</table>
</div>
</td>
<td id="quickHelpContent"><strong>Help...</strong><br>
<br>
If you already have a DHCP server on your network or are using static IP addresses on all the devices on
your network, uncheck Enable DHCP to disable this feature.
<br><br>if you have devices on your network that should always have fixed IP addresses,
add a DHCP Reservation for each such device outside of the DHCP address range.
<?php if (!g_srvstat("named")) { ?>
<br><br>
When DNS Relay is enabled, this <?php p_mode(); ?> will use the DNS servers (if any) obtained from the WAN interface,
otherwise, define them here for your local network.
<?php }?>
</td>
</tr>
<tr>
<td colspan="3" id="footer">
Copyright © <?php p_copyRight(); ?>
</td>
</tr>
</table>
</form>
</body>
</html>