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_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");

if ($_POST) {

	$do_tcpdump = true;

	$host = $_POST['host'];

	$selectedif = $_POST['interface'];

	$count = $_POST['count'];

	$packetlength = $_POST['snaplen'];

	$port = $_POST['port'];

	$detail = $_POST['detail'];

		//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);

	}

}

include("head.inc"); ?>

<?php

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

		<td>

				<tr>

					<td width="17%" valign="top" class="vncellreq"><?=gettext("Interface");?></td>

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

						$interfaces['ipsec'] = "IPsec";

					foreach (array('server', 'client') as $mode) {

						if (is_array($config['openvpn']["openvpn-{$mode}"])) {

							foreach ($config['openvpn']["openvpn-{$mode}"] as $id => $setting) {

								if (!isset($setting['disable'])) {

									$interfaces['ovpn' . substr($mode, 0, 1) . $setting['vpnid']] = gettext("OpenVPN") . " ".$mode.": ".htmlspecialchars($setting['description']);

								}

							}

						}

					}

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

					<?php echo $ifacename;?>

					</option>

					<?php endforeach;?>

					</select>

				</tr>

				<tr>

					<td width="17%" valign="top" class="vncellreq"><?=gettext("Address Family");?></td>

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

					<select name="fam">

						<option value="">Any</option>

						<option value="ip" <?php if ($fam == "ip") echo "selected"; ?>>IPv4 Only</option>

						<option value="ip6" <?php if ($fam == "ip6") echo "selected"; ?>>IPv6 Only</option>

					</select>

					<br/><?=gettext("Select the type of traffic to be captured, either Any, IPv4 only or IPv6 only.");?>

					</td>

					<td width="17%" valign="top" class="vncellreq"><?=gettext("Host Address");?></td>

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

					<input name="host" type="text" class="formfld host" id="host" size="20" value="<?=htmlspecialchars($host);?>">

					<br/><?=gettext("This value is either the Source or Destination IP address or subnet in CIDR notation. The packet capture will look for this address in either field.");?>

					<br/><?=gettext("This value can be a domain name or IP address, or subnet in CIDR notation.");?>

				</tr>

				<tr>

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

					<input name="port" type="text" class="formfld unknown" id="port" size="5" value="<?=$port;?>">

					<br/><?=gettext("Leave blank if you do not want to filter by port.");?>

				</tr>

				<tr>

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

					<input name="snaplen" type="text" class="formfld unknown" id="snaplen" size="5" value="<?=$snaplen;?>">

				</tr>

				<tr>

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

					<input name="count" type="text" class="formfld unknown" id="count" size="5" value="<?=$count;?>">

				<tr>

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

					<select name="detail" type="text" class="formselect" id="detail" size="1">

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

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

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

				<tr>

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

					<br/><b><?=gettext("Note");?>: </b><?=gettext("This option can cause delays for large packet captures.");?>

				</tr>

				<tr>

					<td width="83%">

						echo "<input type=\"submit\" name=\"stopbtn\" value=\"" . gettext("Stop") . "\">&nbsp;";

					}

				<tr>

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

				if ($processisrunning == true)

				if ($do_tcpdump) {

					$matches = array();

					if (($fam == "ip6") || ($fam == "ip"))

						$matches[] = $fam;

					if ($port != "")

						$matches[] = "port ".$port;

					if ($host != "") {

						if (is_ipaddr($host))

							$matches[] = "host " . $host;

						elseif (is_subnet($host))

							$matches[] = "net " . $host;

					}

					if ($count != "0" ) {

						$searchcount = "-c " . $count;

					}

					$selectedif = convert_friendly_interface_to_real_interface_name($selectedif);

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

						conf_mount_ro();

?>

						</textarea>

<?php

?>

				</tr>

				<tr>

		</table>

</form>

</tr>

</table>

include("fend.inc");