pfSense

<?php

	services_dhcp.php

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

	All rights reserved.

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

	   this list of conditions and the following disclaimer.

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

	   documentation and/or other materials provided with the distribution.

	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.

*/

$if = $_GET['if'];

if ($_POST['if'])

	$if = $_POST['if'];

	foreach($config['installedpackages']['olsrd']['config'] as $olsrd) {

			}

	}

if(!$iflist)

	$iflist = array("lan" => "LAN");

for ($i = 1; isset($config['interfaces']['opt' . $i]); $i++) {

	$oc = $config['interfaces']['opt' . $i];

		$iflist['opt' . $i] = $oc['descr'];

	}

}

if (!$if || !isset($iflist[$if]))

	$if = "lan";

$pconfig['range_from'] = $config['dhcpd'][$if]['range']['from'];

$pconfig['range_to'] = $config['dhcpd'][$if]['range']['to'];

$pconfig['deftime'] = $config['dhcpd'][$if]['defaultleasetime'];

$pconfig['maxtime'] = $config['dhcpd'][$if]['maxleasetime'];

$pconfig['denyunknown'] = isset($config['dhcpd'][$if]['denyunknown']);

$pconfig['ddnsupdate'] = isset($config['dhcpd'][$if]['ddnsupdate']);

$pconfig['nextserver'] = $config['dhcpd'][$if]['next-server'];

$pconfig['filename'] = $config['dhcpd'][$if]['filename'];

 *   on any interface.   We will use this to disable DHCP server since

 *   the two are not compatible with each other.

 */

$dhcrelay_enabled = false;

$dhcrelaycfg = $config['dhcrelay'];

if(is_array($dhcrelaycfg)) {

	foreach ($dhcrelaycfg as $dhcrelayif => $dhcrelayifconf) {

		if (isset($dhcrelayifconf['enable']) &&

			(($dhcrelayif == "lan") ||

			(isset($config['interfaces'][$dhcrelayif]['enable']) &&

			$config['interfaces'][$dhcrelayif]['if'] && (!$config['interfaces'][$dhcrelayif]['bridge']))))

			$dhcrelay_enabled = true;

	}

}

	$config['dhcpd'][$if]['staticmap'] = array();

}

staticmaps_sort($if);

	else

		return false;

}

	unset($input_errors);

	/* input validation */

	if ($_POST['enable']) {

		$reqdfields = explode(" ", "range_from range_to");

		$reqdfieldsn = explode(",", "Range begin,Range end");

		foreach($a_maps as $mapent) {

			if(is_inrange($mapent['ipaddr'], $_POST['range_from'], $_POST['range_to'])) {

				$input_errors[] = "{$mapent['ipaddr']} is inside the range you specified.";

			}

		}

			$input_errors[] = "A valid range must be specified.";

		}

		if (($_POST['range_to'] && !is_ipaddr($_POST['range_to']))) {

			$input_errors[] = "A valid range must be specified.";

		}

		}

		if (($_POST['dns1'] && !is_ipaddr($_POST['dns1'])) || ($_POST['dns2'] && !is_ipaddr($_POST['dns2']))) {

			$input_errors[] = "A valid IP address must be specified for the primary/secondary DNS servers.";

		if ($_POST['deftime'] && (!is_numeric($_POST['deftime']) || ($_POST['deftime'] < 60))) {

			$input_errors[] = "The default lease time must be at least 60 seconds.";

		}

		if ($_POST['maxtime'] && (!is_numeric($_POST['maxtime']) || ($_POST['maxtime'] < 60) || ($_POST['maxtime'] <= $_POST['deftime']))) {

			$input_errors[] = "The maximum lease time must be at least 60 seconds and higher than the default lease time.";

		}

			$input_errors[] = "A valid domain name must be specified for the dynamic DNS registration.";

		}

			$input_errors[] = "A valid IP address must be specified for the primary/secondary NTP servers.";

		}

			$input_errors[] = "A valid IP address must be specified for the network boot server.";

		}

			/* make sure the range lies within the current subnet */

			$subnet_start = (ip2long($ifcfg['ipaddr']) & gen_subnet_mask_long($ifcfg['subnet']));

			$subnet_end = (ip2long($ifcfg['ipaddr']) | (~gen_subnet_mask_long($ifcfg['subnet'])));

			    (ip2long($_POST['range_to']) < $subnet_start) || (ip2long($_POST['range_to']) > $subnet_end)) {

				$input_errors[] = "The range is invalid (first element higher than second element).";

			if (isset($config['dhcrelay'][$if]['enable']))

				$input_errors[] = "You must disable the DHCP relay on the {$iflist[$if]} interface before enabling the DHCP server.";

		}

	}

	if (!$input_errors) {

		$config['dhcpd'][$if]['range']['from'] = $_POST['range_from'];

		$config['dhcpd'][$if]['range']['to'] = $_POST['range_to'];

		$config['dhcpd'][$if]['defaultleasetime'] = $_POST['deftime'];

		$config['dhcpd'][$if]['maxleasetime'] = $_POST['maxtime'];

		if($previous <> $_POST['failover_peerip']) {

		}

		if ($_POST['wins1'])

			$config['dhcpd'][$if]['winsserver'][] = $_POST['wins1'];

		if ($_POST['wins2'])

			$config['dhcpd'][$if]['winsserver'][] = $_POST['wins2'];

		$config['dhcpd'][$if]['enable'] = ($_POST['enable']) ? true : false;

		$config['dhcpd'][$if]['staticarp'] = ($_POST['staticarp']) ? true : false;

		$config['dhcpd'][$if]['ddnsupdate'] = ($_POST['ddnsupdate']) ? true : false;

		unset($config['dhcpd'][$if]['ntpserver']);

		if ($_POST['ntp1'])

			$config['dhcpd'][$if]['ntpserver'][] = $_POST['ntp1'];

		if ($_POST['ntp2'])

			$config['dhcpd'][$if]['ntpserver'][] = $_POST['ntp2'];

		$config['dhcpd'][$if]['next-server'] = $_POST['nextserver'];

		$config['dhcpd'][$if]['filename'] = $_POST['filename'];

		/* static arp configuration */

		$retvaldns = 0;

		/* no need to restart dhcpd twice */

		if (isset($config['dnsmasq']['regdhcpstatic']))	{

			$retvaldns = services_dnsmasq_configure();

			if ($retvaldns == 0) {

				if (file_exists($d_hostsdirty_path))

					unlink($d_hostsdirty_path);

				if (file_exists($d_staticmapsdirty_path))

					unlink($d_staticmapsdirty_path);

			}					

		} else {

			$retvaldhcp = services_dhcpd_configure();	

			if ($retvaldhcp == 0) {

				if (file_exists($d_staticmapsdirty_path))

					unlink($d_staticmapsdirty_path);

			}

		}	

			$retval = 1;

	}

}

if ($_GET['act'] == "del") {

	if ($a_maps[$_GET['id']]) {

		unset($a_maps[$_GET['id']]);

		write_config();

			touch($d_staticmapsdirty_path);

			if (isset($config['dnsmasq']['regdhcpstatic']))

				touch($d_hostsdirty_path);

		}

		exit;

	}

}

$pgtitle = "Services: DHCP server";

include("head.inc");

	endis = !(document.iform.enable.checked || enable_over);

	document.iform.range_from.disabled = endis;

	document.iform.range_to.disabled = endis;

	document.iform.wins1.disabled = endis;

	document.iform.wins2.disabled = endis;

	document.iform.dns2.disabled = endis;

	document.iform.maxtime.disabled = endis;

	document.iform.ddnsupdate.disabled = endis;

	document.iform.ntp2.disabled = endis;

	document.iform.nextserver.disabled = endis;

	document.iform.filename.disabled = endis;

function show_ddns_config() {

	document.getElementById("showddnsbox").innerHTML='';

	aodiv = document.getElementById('showddns');

	aodiv.style.display = "block";

}

	document.getElementById("showntpbox").innerHTML='';

	aodiv = document.getElementById('showntp');

	aodiv.style.display = "block";

}

	document.getElementById("shownetbootbox").innerHTML='';

	aodiv = document.getElementById('shownetboot');

	aodiv.style.display = "block";

}

<body link="#0000CC" vlink="#0000CC" alink="#0000CC">

<?php if ($input_errors) print_input_errors($input_errors); ?>

<?php if ($savemsg) print_info_box($savemsg); ?>

	if ($dhcrelay_enabled) {

		echo "DHCP Relay is currently enabled.  Cannot enable the DHCP Server service while the DHCP Relay is enabled on any interface.";

		include("fend.inc"); 

		echo "</body>";

		echo "</html>";

		exit;

	}

?>

<?php print_info_box_np("The static mapping configuration has been changed.<br>You must apply the changes in order for them to take effect.");?><br>

<?php endif; ?>

<table width="100%" border="0" cellpadding="0" cellspacing="0">

  <tr><td>

	/* active tabs */

	$tab_array = array();

	$tabscounter = 0;

	$i = 0;

	foreach ($iflist as $ifent => $ifname) {

		if ($ifent == $if)

			$active = true;

		else

			$active = false;

		$tab_array[] = array($ifname, $active, "services_dhcp.php?if={$ifent}");

	}

	display_top_tabs($tab_array);

  ?>

	<div id="mainarea">

              <table class="tabcont" width="100%" border="0" cellpadding="6" cellspacing="0">

                        <td width="78%" class="vtable">

                          interface</strong></td>

                      </tr>

				  <tr>

	              <td width="22%" valign="top" class="vtable">&nbsp;</td>

                      <td width="78%" class="vtable">

                      If this is checked, only the clients defined below will get DHCP leases from this server. </td>

		      		  </tr>

                        </td>

                      </tr>

                        <td width="22%" valign="top" class="vncellreq">Subnet

                        </td>

                      </tr>

                        <td width="22%" valign="top" class="vncellreq">Available

                        </td>

                      </tr>

							<?php

							for ($i = 32; $i > 0; $i--) {

								if($i <> 31) {

									echo "<option value=\"{$i}\" ";

								}

							}

							?>

							</select>

                        </td>

                      </tr>

                      <tr>

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

			</td>

			</td>

                        <td width="22%" valign="top" class="vncell">Default lease

                          seconds<br>

			</td>

                        <td width="22%" valign="top" class="vncell">Maximum lease

                          seconds<br>

			</td>

                        <td width="22%" valign="top" class="vncell">Failover peer IP:</td>

                        <td width="78%" class="vtable">

		      </tr>

                        <td width="22%" valign="top" class="vncell">Static ARP</td>

				<table>

						<td>

							<input valign="middle" type="checkbox" value="yes" name="staticarp" id="staticarp" <?php if($pconfig['staticarp']) echo " checked"; ?>>&nbsp;

						</td>

						<td>

							<b>Enable Static ARP entries</b>

						</td>

					</tr>

					<tr>

						<td>

							 

						</td>

						<td>

					</tr>

			</td>

                        <td width="22%" valign="top" class="vncell">Dynamic DNS</td>

                        <td width="78%" class="vtable">

				<div id="showddnsbox">

					<input type="button" onClick="show_ddns_config()" value="Advanced"></input> - Show Dynamic DNS</a>

				</div>

				<div id="showddns" style="display:none">

					<input valign="middle" type="checkbox" value="yes" name="ddnsupdate" id="ddnsupdate" <?php if($pconfig['ddnsupdate']) echo " checked"; ?>>&nbsp;

					<b>Enable registration of DHCP client names in DNS.</b><br />

					<p>

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

					Note: Leave blank to disable dynamic DNS registration.<br />

					Enter the dynamic DNS domain which will be used to register client names in the DNS server.

				</div>

			</td>

		      </tr>

                        <td width="22%" valign="top" class="vncell">NTP servers</td>

                        <td width="78%" class="vtable">

				<div id="showntpbox">

					<input type="button" onClick="show_ntp_config()" value="Advanced"></input> - Show NTP configuration</a>

				</div>

				<div id="showntp" style="display:none">

					<input name="ntp1" type="text" class="formfld" id="ntp1" size="20" value="<?=htmlspecialchars($pconfig['ntp1']);?>"><br>

					<input name="ntp2" type="text" class="formfld" id="ntp2" size="20" value="<?=htmlspecialchars($pconfig['ntp2']);?>">

				</div>

			</td>

                      </tr>

                        <td width="22%" valign="top" class="vncell">Enable Network booting</td>

                        <td width="78%" class="vtable">

				<div id="shownetbootbox">

					<input type="button" onClick="show_netboot_config()" value="Advanced"></input> - Show Network booting</a>

				</div>

				<div id="shownetboot" style="display:none">

					<input valign="middle" type="checkbox" value="yes" name="netboot" id="netboot" <?php if($pconfig['netboot']) echo " checked"; ?>>&nbsp;

					<b>Enables network booting.</b>

					<p>

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

					Enter the IP address from the network boot server.

					<p>

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

					Enter the filename used for network booting.<br />

					Note: You need both a filename and a boot server configured for this to work!

				</div>

			</td>

		      </tr>

                          <input name="if" type="hidden" value="<?=$if;?>">

                          <input name="Submit" type="submit" class="formbtn" value="Save" onclick="enable_change(true)">

                      </tr>

                        <td width="78%"> <p><span class="vexpl"><span class="red"><strong>Note:<br>

                            General setup</a> (or the <a href="services_dnsmasq.php">DNS

                            forwarder</a>, if enabled) </span><span class="vexpl">will

                            <br>

			</td>

                    </table>

                  <td width="15%" class="listhdrr">IP address</td>

				  <td width="20%" class="listhdrr">Hostname</td>

                  <td width="30%" class="listhdr">Description</td>

                      <tr>

			<td valign="middle" width="17"></td>

                        <td valign="middle"><a href="services_dhcp_edit.php?if=<?=$if;?>"><img src="./themes/<?= $g['theme']; ?>/images/icons/icon_plus.gif" width="17" height="17" border="0"></a></td>

                      </tr>

                    </table>

		</tr>