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ab6a5cfc
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Scott Ullrich
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<?php
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/*
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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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| 26 |
13d193c2
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Scott Ullrich
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/*
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pfSense_BUILDER_BINARIES: /bin/ps /usr/bin/grep /usr/sbin/tcpdump
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pfSense_MODULE: routing
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*/
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| 31 |
6b07c15a
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Matthew Grooms
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##|+PRIV
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##|*IDENT=page-diagnostics-packetcapture
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##|*NAME=Diagnostics: Packet Capture page
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##|*DESCR=Allow access to the 'Diagnostics: Packet Capture' page.
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##|*MATCH=diag_packet_capture.php*
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##|-PRIV
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| 38 |
1c550bed
|
Renato Botelho
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$pgtitle = array(gettext("Diagnostics"), gettext("Packet Capture"));
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| 39 |
d7cd7129
|
Scott Ullrich
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require_once("guiconfig.inc");
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require_once("pfsense-utils.inc");
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| 41 |
ab6a5cfc
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Scott Ullrich
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| 42 |
4e7d1665
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Scott Ullrich
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$fp = "/root/";
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| 43 |
ab6a5cfc
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Scott Ullrich
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$fn = "packetcapture.cap";
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| 44 |
68ed7d9d
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Chris Buechler
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$snaplen = 0;//default packet length
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| 45 |
ab6a5cfc
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Scott Ullrich
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$count = 100;//default number of packets to capture
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if ($_POST) {
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$do_tcpdump = true;
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$host = $_POST['host'];
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$selectedif = $_POST['interface'];
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$count = $_POST['count'];
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$packetlength = $_POST['snaplen'];
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$port = $_POST['port'];
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$detail = $_POST['detail'];
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| 55 |
4e7d1665
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Scott Ullrich
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| 56 |
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conf_mount_rw();
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| 57 |
ab6a5cfc
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Scott Ullrich
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| 58 |
b39ca83c
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Scott Ullrich
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if ($_POST['dnsquery']) {
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//if dns lookup is checked
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| 60 |
ab6a5cfc
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Scott Ullrich
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$disabledns = "";
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| 61 |
b39ca83c
|
Scott Ullrich
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} else {
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//if dns lookup is unchecked
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| 63 |
ab6a5cfc
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Scott Ullrich
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$disabledns = "-n";
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}
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| 66 |
b39ca83c
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Scott Ullrich
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if ($_POST['startbtn'] != "" ) {
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| 67 |
1c550bed
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Renato Botelho
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$action = gettext("Start");
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| 68 |
232d6540
|
Scott Dale
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//delete previous packet capture if it exists
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if (file_exists($fp.$fn))
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unlink ($fp.$fn);
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| 72 |
ab6a5cfc
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Scott Ullrich
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| 73 |
b39ca83c
|
Scott Ullrich
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} elseif ($_POST['stopbtn']!= "") {
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1c550bed
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Renato Botelho
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$action = gettext("Stop");
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| 75 |
98dee353
|
pierrepomes
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$processes_running = trim(shell_exec('/bin/ps axw -O pid= | /usr/bin/grep tcpdump | /usr/bin/grep '.$fn.' | /usr/bin/grep -v pflog'));
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d5c2fde5
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Scott Ullrich
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//explode processes into an array, (delimiter is new line)
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$processes_running_array = explode("\n", $processes_running);
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//kill each of the packetcapture processes
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| 81 |
b39ca83c
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Scott Ullrich
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foreach ($processes_running_array as $process) {
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| 82 |
d5c2fde5
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Scott Ullrich
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$process_id_pos = strpos($process, ' ');
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$process_id = substr($process, 0, $process_id_pos);
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exec("kill $process_id");
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}
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| 87 |
b39ca83c
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Scott Ullrich
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} else {
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//download file
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93c86d2b
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Scott Dale
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$fs = filesize($fp.$fn);
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| 90 |
ab6a5cfc
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Scott Ullrich
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header("Content-Type: application/octet-stream");
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9f3259e0
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Scott Dale
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header("Content-Disposition: attachment; filename=$fn");
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ab6a5cfc
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Scott Ullrich
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header("Content-Length: $fs");
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readfile($fp.$fn);
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}
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| 95 |
b39ca83c
|
Scott Ullrich
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} else {
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| 96 |
ab6a5cfc
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Scott Ullrich
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$do_tcpdump = false;
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}
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include("head.inc"); ?>
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b39ca83c
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Scott Ullrich
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ab6a5cfc
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Scott Ullrich
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<body link="#000000" vlink="#0000CC" alink="#0000CC">
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| 101 |
b39ca83c
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Scott Ullrich
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<?php
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include("fbegin.inc");
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?>
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ab6a5cfc
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Scott Ullrich
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| 106 |
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<table width="100%" border="0" cellpadding="0" cellspacing="0">
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<tr>
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<td>
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<form action="diag_packet_capture.php" method="post" name="iform" id="iform">
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<table width="100%" border="0" cellpadding="6" cellspacing="0">
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| 111 |
0cece4a2
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Scott Ullrich
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<tr>
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| 112 |
1c550bed
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Renato Botelho
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<td colspan="2" valign="top" class="listtopic"><?=gettext("Packet capture");?></td>
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| 113 |
0cece4a2
|
Scott Ullrich
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</tr>
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| 114 |
ab6a5cfc
|
Scott Ullrich
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<tr>
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| 115 |
1c550bed
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Renato Botelho
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<td width="17%" valign="top" class="vncellreq"><?=gettext("Interface");?></td>
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| 116 |
ab6a5cfc
|
Scott Ullrich
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<td width="83%" class="vtable">
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| 117 |
dddf4c16
|
Scott Ullrich
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<select name="interface">
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| 118 |
b39ca83c
|
Scott Ullrich
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<?php
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$interfaces = get_configured_interface_with_descr();
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| 120 |
0aba3822
|
jim-p
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if (isset($config['ipsec']['enable']))
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$interfaces['ipsec'] = "IPsec";
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foreach (array('server', 'client') as $mode) {
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| 123 |
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if (is_array($config['openvpn']["openvpn-{$mode}"])) {
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| 124 |
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foreach ($config['openvpn']["openvpn-{$mode}"] as $id => $setting) {
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| 125 |
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if (!isset($setting['disable'])) {
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| 126 |
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$interfaces['ovpn' . substr($mode, 0, 1) . $setting['vpnid']] = gettext("OpenVPN") . " ".$mode.": ".htmlspecialchars($setting['description']);
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}
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| 128 |
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}
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| 129 |
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}
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| 130 |
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}
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| 131 |
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foreach ($interfaces as $iface => $ifacename): ?>
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| 132 |
68ed7d9d
|
Chris Buechler
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<option value="<?=$iface;?>" <?php if ($selectedif == $iface) echo "selected"; ?>>
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| 133 |
ab6a5cfc
|
Scott Ullrich
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<?php echo $ifacename;?>
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| 134 |
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</option>
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| 135 |
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<?php endforeach;?>
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| 136 |
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</select>
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| 137 |
4a3c31d7
|
Carlos Eduardo Ramos
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<br/><?=gettext("Select the interface on which to capture traffic.");?>
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| 138 |
ab6a5cfc
|
Scott Ullrich
|
</td>
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| 139 |
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</tr>
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| 140 |
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<tr>
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| 141 |
1c550bed
|
Renato Botelho
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<td width="17%" valign="top" class="vncellreq"><?=gettext("Host Address");?></td>
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| 142 |
ab6a5cfc
|
Scott Ullrich
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<td width="83%" class="vtable">
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| 143 |
b5c78501
|
Seth Mos
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<input name="host" type="text" class="formfld host" id="host" size="20" value="<?=htmlspecialchars($host);?>">
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| 144 |
1c550bed
|
Renato Botelho
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<br/><?=gettext("This value is either the Source or Destination IP address. The packet capture will look for this address in either field.");?>
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| 145 |
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<br/><?=gettext("This value can be a domain name or IP address.");?>
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| 146 |
4a3c31d7
|
Carlos Eduardo Ramos
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<br/><?=gettext("If you leave this field blank, all packets on the specified interface will be captured.");?>
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| 147 |
ab6a5cfc
|
Scott Ullrich
|
</td>
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| 148 |
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</tr>
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| 149 |
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<tr>
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| 150 |
1c550bed
|
Renato Botelho
|
<td width="17%" valign="top" class="vncellreq"><?=gettext("Port");?></td>
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| 151 |
ab6a5cfc
|
Scott Ullrich
|
<td width="83%" class="vtable">
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| 152 |
b5c78501
|
Seth Mos
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<input name="port" type="text" class="formfld unknown" id="port" size="5" value="<?=$port;?>">
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| 153 |
1c550bed
|
Renato Botelho
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<br/><?=gettext("The port can be either the source or destination port. The packet capture will look for this port in either field.");?>
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| 154 |
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<br/><?=gettext("Leave blank if you do not want to filter by port.");?>
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| 155 |
ab6a5cfc
|
Scott Ullrich
|
</td>
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| 156 |
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</tr>
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| 157 |
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<tr>
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| 158 |
1c550bed
|
Renato Botelho
|
<td width="17%" valign="top" class="vncellreq"><?=gettext("Packet Length");?></td>
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| 159 |
ab6a5cfc
|
Scott Ullrich
|
<td width="83%" class="vtable">
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| 160 |
b5c78501
|
Seth Mos
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<input name="snaplen" type="text" class="formfld unknown" id="snaplen" size="5" value="<?=$snaplen;?>">
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| 161 |
68ed7d9d
|
Chris Buechler
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<br/><?=gettext("The Packet length is the number of bytes of each packet that will be captured. Default value is 0, which will capture the entire frame regardless of its size.");?>
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| 162 |
ab6a5cfc
|
Scott Ullrich
|
</td>
|
| 163 |
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</tr>
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| 164 |
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<tr>
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| 165 |
1c550bed
|
Renato Botelho
|
<td width="17%" valign="top" class="vncellreq"><?=gettext("Count");?></td>
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| 166 |
ab6a5cfc
|
Scott Ullrich
|
<td width="83%" class="vtable">
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| 167 |
b5c78501
|
Seth Mos
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<input name="count" type="text" class="formfld unknown" id="count" size="5" value="<?=$count;?>">
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| 168 |
1c550bed
|
Renato Botelho
|
<br/><?=gettext("This is the number of packets the packet capture will grab. Default value is 100.") . "<br/>" . gettext("Enter 0 (zero) for no count limit.");?>
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| 169 |
ab6a5cfc
|
Scott Ullrich
|
</tr>
|
| 170 |
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<tr>
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| 171 |
1c550bed
|
Renato Botelho
|
<td width="17%" valign="top" class="vncellreq"><?=gettext("Level of Detail");?></td>
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| 172 |
ab6a5cfc
|
Scott Ullrich
|
<td width="83%" class="vtable">
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| 173 |
b5c78501
|
Seth Mos
|
<select name="detail" type="text" class="formselect" id="detail" size="1">
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| 174 |
1c550bed
|
Renato Botelho
|
<option value="-q" <?php if ($detail == "-q") echo "selected"; ?>><?=gettext("Normal");?></option>
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| 175 |
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<option value="-v" <?php if ($detail == "-v") echo "selected"; ?>><?=gettext("Medium");?></option>
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| 176 |
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<option value="-vv" <?php if ($detail == "-vv") echo "selected"; ?>><?=gettext("High");?></option>
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| 177 |
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<option value="-vv -e" <?php if ($detail == "-vv -e") echo "selected"; ?>><?=gettext("Full");?></option>
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| 178 |
ab6a5cfc
|
Scott Ullrich
|
</select>
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| 179 |
1c550bed
|
Renato Botelho
|
<br/><?=gettext("This is the level of detail that will be displayed after hitting 'Stop' when the packets have been captured.") . "<br/><b>" .
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| 180 |
4a3c31d7
|
Carlos Eduardo Ramos
|
gettext("Note:") . "</b> " .
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| 181 |
1c550bed
|
Renato Botelho
|
gettext("This option does not affect the level of detail when downloading the packet capture.");?>
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| 182 |
ab6a5cfc
|
Scott Ullrich
|
</tr>
|
| 183 |
|
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<tr>
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| 184 |
1c550bed
|
Renato Botelho
|
<td width="17%" valign="top" class="vncellreq"><?=gettext("Reverse DNS Lookup");?></td>
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| 185 |
ab6a5cfc
|
Scott Ullrich
|
<td width="83%" class="vtable">
|
| 186 |
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<input name="dnsquery" type="checkbox"<?php if($_POST['dnsquery']) echo " CHECKED"; ?>>
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| 187 |
1c550bed
|
Renato Botelho
|
<br/><?=gettext("This check box will cause the packet capture to perform a reverse DNS lookup associated with all IP addresses.");?>
|
| 188 |
|
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<br/><b><?=gettext("Note");?>: </b><?=gettext("This option can cause delays for large packet captures.");?>
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| 189 |
ab6a5cfc
|
Scott Ullrich
|
</td>
|
| 190 |
|
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</tr>
|
| 191 |
|
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<tr>
|
| 192 |
|
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<td width="17%" valign="top"> </td>
|
| 193 |
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<td width="83%">
|
| 194 |
b39ca83c
|
Scott Ullrich
|
<?php
|
| 195 |
d5c2fde5
|
Scott Ullrich
|
|
| 196 |
b39ca83c
|
Scott Ullrich
|
/* check to see if packet capture tcpdump is already running */
|
| 197 |
00c89b35
|
Chris Buechler
|
$processcheck = (trim(shell_exec('/bin/ps axw -O pid= | /usr/bin/grep tcpdump | /usr/bin/grep $fn | /usr/bin/grep -v pflog')));
|
| 198 |
9b1b06b5
|
Scott Dale
|
|
| 199 |
|
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$processisrunning = false;
|
| 200 |
d5c2fde5
|
Scott Ullrich
|
|
| 201 |
9b1b06b5
|
Scott Dale
|
if ($processcheck != false)
|
| 202 |
|
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$processisrunning = true;
|
| 203 |
|
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|
| 204 |
0cd8ee5c
|
Erik Fonnesbeck
|
if (($action == gettext("Stop") or $action == "") and $processisrunning != true)
|
| 205 |
1c550bed
|
Renato Botelho
|
echo "<input type=\"submit\" name=\"startbtn\" value=\"" . gettext("Start") . "\"> ";
|
| 206 |
b39ca83c
|
Scott Ullrich
|
else {
|
| 207 |
1c550bed
|
Renato Botelho
|
echo "<input type=\"submit\" name=\"stopbtn\" value=\"" . gettext("Stop") . "\"> ";
|
| 208 |
232d6540
|
Scott Dale
|
}
|
| 209 |
b39ca83c
|
Scott Ullrich
|
if (file_exists($fp.$fn) and $processisrunning != true) {
|
| 210 |
1c550bed
|
Renato Botelho
|
echo "<input type=\"submit\" name=\"downloadbtn\" value=\"" . gettext("Download Capture") . "\">";
|
| 211 |
4a3c31d7
|
Carlos Eduardo Ramos
|
echo " (" . gettext("The packet capture file was last updated:") . " " . date("F jS, Y g:i:s a.", filemtime($fp.$fn)) . ")";
|
| 212 |
ab6a5cfc
|
Scott Ullrich
|
}
|
| 213 |
b39ca83c
|
Scott Ullrich
|
?>
|
| 214 |
ab6a5cfc
|
Scott Ullrich
|
</td>
|
| 215 |
|
|
</tr>
|
| 216 |
|
|
<tr>
|
| 217 |
|
|
<td valign="top" colspan="2">
|
| 218 |
b39ca83c
|
Scott Ullrich
|
<?php
|
| 219 |
9b1b06b5
|
Scott Dale
|
echo "<font face='terminal' size='2'>";
|
| 220 |
|
|
if ($processisrunning == true)
|
| 221 |
1c550bed
|
Renato Botelho
|
echo("<strong>" . gettext("Packet Capture is running.") . "</strong><br/>");
|
| 222 |
9b1b06b5
|
Scott Dale
|
|
| 223 |
|
|
if ($do_tcpdump) {
|
| 224 |
ab6a5cfc
|
Scott Ullrich
|
|
| 225 |
b39ca83c
|
Scott Ullrich
|
if ($port != "") {
|
| 226 |
232d6540
|
Scott Dale
|
$searchport = "and port ".$port;
|
| 227 |
|
|
if($host <> "")
|
| 228 |
|
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$searchport = "and port ".$port;
|
| 229 |
|
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else
|
| 230 |
|
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$searchport = "port ".$port;
|
| 231 |
b39ca83c
|
Scott Ullrich
|
} else {
|
| 232 |
232d6540
|
Scott Dale
|
$searchport = "";
|
| 233 |
|
|
}
|
| 234 |
|
|
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| 235 |
b39ca83c
|
Scott Ullrich
|
if ($host != "") {
|
| 236 |
bda839a7
|
Scott Dale
|
$searchhost = "host " . $host;
|
| 237 |
b39ca83c
|
Scott Ullrich
|
} else {
|
| 238 |
232d6540
|
Scott Dale
|
$searchhost = "";
|
| 239 |
bda839a7
|
Scott Dale
|
}
|
| 240 |
b39ca83c
|
Scott Ullrich
|
if ($count != "0" ) {
|
| 241 |
bda839a7
|
Scott Dale
|
$searchcount = "-c " . $count;
|
| 242 |
b39ca83c
|
Scott Ullrich
|
} else {
|
| 243 |
bda839a7
|
Scott Dale
|
$searchcount = "";
|
| 244 |
|
|
}
|
| 245 |
ab6a5cfc
|
Scott Ullrich
|
|
| 246 |
|
|
$selectedif = convert_friendly_interface_to_real_interface_name($selectedif);
|
| 247 |
b39ca83c
|
Scott Ullrich
|
|
| 248 |
1c550bed
|
Renato Botelho
|
if ($action == gettext("Start")) {
|
| 249 |
|
|
echo("<strong>" . gettext("Packet Capture is running.") . "</strong><br/>");
|
| 250 |
9b1b06b5
|
Scott Dale
|
mwexec_bg ("/usr/sbin/tcpdump -i $selectedif $searchcount -s $packetlength -w $fp$fn $searchhost $searchport");
|
| 251 |
b39ca83c
|
Scott Ullrich
|
} else {
|
| 252 |
|
|
//action = stop
|
| 253 |
4a3c31d7
|
Carlos Eduardo Ramos
|
echo("<strong>" . gettext("Packet Capture stopped.") . "<br/><br/>" . gettext("Packets Captured:") . "</strong><br/>");
|
| 254 |
b39ca83c
|
Scott Ullrich
|
?>
|
| 255 |
ab6a5cfc
|
Scott Ullrich
|
<textarea style="width:98%" name="code" rows="15" cols="66" wrap="off" readonly="readonly">
|
| 256 |
b39ca83c
|
Scott Ullrich
|
<?php
|
| 257 |
|
|
system ("/usr/sbin/tcpdump $disabledns $detail -r $fp$fn");
|
| 258 |
|
|
|
| 259 |
|
|
conf_mount_ro();
|
| 260 |
|
|
?>
|
| 261 |
|
|
</textarea>
|
| 262 |
|
|
<?php
|
| 263 |
ab6a5cfc
|
Scott Ullrich
|
}
|
| 264 |
b39ca83c
|
Scott Ullrich
|
}
|
| 265 |
|
|
?>
|
| 266 |
ab6a5cfc
|
Scott Ullrich
|
</td>
|
| 267 |
|
|
</tr>
|
| 268 |
|
|
<tr>
|
| 269 |
|
|
|
| 270 |
|
|
</table>
|
| 271 |
|
|
</form>
|
| 272 |
b39ca83c
|
Scott Ullrich
|
</td>
|
| 273 |
|
|
</tr>
|
| 274 |
|
|
</table>
|
| 275 |
4e7d1665
|
Scott Ullrich
|
|
| 276 |
b39ca83c
|
Scott Ullrich
|
<?php
|
| 277 |
4e7d1665
|
Scott Ullrich
|
include("fend.inc");
|
| 278 |
|
|
?>
|