pfSense

<?php

/*

	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.

*/

	pfSense_BUILDER_BINARIES:	/bin/ps	/usr/bin/grep	/usr/sbin/tcpdump

	pfSense_MODULE:	routing

*/

##|*IDENT=page-diagnostics-packetcapture

##|*NAME=Diagnostics: Packet Capture page

##|*DESCR=Allow access to the 'Diagnostics: Packet Capture' page.

##|*MATCH=diag_packet_capture.php*

##|-PRIV

require_once("pfsense-utils.inc");

$snaplen = 1500;//default packet length

$count = 100;//default number of packets to capture

if ($_POST) {

	$do_tcpdump = true;

	$host = $_POST['host'];

	$selectedif = $_POST['interface'];

	$count = $_POST['count'];

	$packetlength = $_POST['snaplen'];

	$port = $_POST['port'];

	$detail = $_POST['detail'];

	conf_mount_rw();

		//if dns lookup is checked

		//if dns lookup is unchecked

	}

	 	//delete previous packet capture if it exists

	 	if (file_exists($fp.$fn))

	 		unlink ($fp.$fn);

		//explode processes into an array, (delimiter is new line)

		$processes_running_array = explode("\n", $processes_running);

		//kill each of the packetcapture processes

			$process_id = substr($process, 0, $process_id_pos);

			exec("kill $process_id");

		}

		//download file

		readfile($fp.$fn);

	}

}

$pgtitle = "Diagnostics: Packet Capture";

include("head.inc"); ?>

<?php

include("fbegin.inc"); 

?>

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

        <tr>

          <td>

			<form action="diag_packet_capture.php" method="post" name="iform" id="iform">

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

					<td colspan="2" valign="top" class="listtopic">Packet capture</td>

				</tr>	

				  <td width="17%" valign="top" class="vncellreq">Interface</td>

				  <td width="83%" class="vtable">

					$interfaces = get_configured_interface_with_descr();

					foreach ($interfaces as $iface => $ifacename): 

?>

                      </option>

                      <?php endforeach;?>

                    </select>

				</tr>

			    <tr>

				  <td width="17%" valign="top" class="vncellreq">Host Address</td>

				  <td width="83%" class="vtable">

					<br/>This value can be a domain name or IP address.

				</tr>

				<tr>

				  <td width="17%" valign="top" class="vncellreq">Port</td>

				  <td width="83%" class="vtable">

				</tr>

				<tr>

				  <td width="17%" valign="top" class="vncellreq">Packet Length</td>

				  <td width="83%" class="vtable">

				</tr>

				<tr>

				  <td width="17%" valign="top" class="vncellreq">Count</td>

				  <td width="83%" class="vtable">

				<tr>

				  <td width="17%" valign="top" class="vncellreq">Level of Detail</td>

				  <td width="83%" class="vtable">

						<option value="-v" <?php if ($detail == "-v") echo "selected"; ?>>Medium</option>

						<option value="-vv" <?php if ($detail == "-vv") echo "selected"; ?>>High</option>

						<option value="-vv -e" <?php if ($detail == "-vv -e") echo "selected"; ?>>Full</option>

					</select>

				<tr>

				  <td width="17%" valign="top" class="vncellreq">Reverse DNS Lookup</td>

				  <td width="83%" class="vtable">

					<input name="dnsquery" type="checkbox"<?php if($_POST['dnsquery']) echo " CHECKED"; ?>>

				</tr>

				<tr>

				  <td width="17%" valign="top">&nbsp;</td>

				  <td width="83%">

					$processisrunning = false;

						$processisrunning = true;

					if (($action == "Stop" or $action == "") and $processisrunning != true)

						echo "  (The packet capture file was last updated: " . date("F jS, Y g:i:s a.", filemtime($fp.$fn)) . ")";

					}

				</tr>

				<tr>

				<td valign="top" colspan="2">

				if ($processisrunning == true)

						echo("<strong>Packet Capture is running.</strong><br/>");

				if ($do_tcpdump) {					

                       if($host <> "")                        

							$searchport = "and port ".$port;

						else

							$searchport = "port ".$port;

                    }

             		}

					$selectedif = convert_friendly_interface_to_real_interface_name($selectedif);

					if ($action == "Start") {

						//action = stop

						system ("/usr/sbin/tcpdump $disabledns $detail -r $fp$fn");

						conf_mount_ro();

?>

						</textarea>

<?php

?>

				</tr>

				<tr>

		</table>

</form>

</tr>

</table>

?>