Move main pfSense content to src/

1 files changed, 485 insertions, 0 deletions

diff --git a/src/usr/local/www/diag_packet_capture.php b/src/usr/local/www/diag_packet_capture.php
new file mode 100644
index 0000000..14be5d1
--- /dev/null
+++ b/src/usr/local/www/diag_packet_capture.php
@@ -0,0 +1,485 @@
+<?php
+/*
+	diag_packet_capture.php
+	Copyright (C) 2013-2015 Electric Sheep Fencing, LP
+	All rights reserved
+
+	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
+*/
+
+##|+PRIV
+##|*IDENT=page-diagnostics-packetcapture
+##|*NAME=Diagnostics: Packet Capture page
+##|*DESCR=Allow access to the 'Diagnostics: Packet Capture' page.
+##|*MATCH=diag_packet_capture.php*
+##|-PRIV
+
+$allowautocomplete = true;
+
+function fixup_host_logic($value) {
+	return str_replace(array(" ", ",", "+", "|", "!"), array("", "and ", "and ", "or ", "not "), $value);
+}
+function strip_host_logic($value) {
+	return str_replace(array(" ", ",", "+", "|", "!"), array("", "", "", "", ""), $value);
+}
+function get_host_boolean($value, $host) {
+	$value = str_replace(array("!", $host), array("", ""), $value);
+	$andor = "";
+	switch (trim($value)) {
+		case "|":
+			$andor = "or ";
+			break;
+		case ",":
+		case "+":
+			$andor = "and ";
+			break;
+	}
+	return $andor;
+}
+function has_not($value) {
+	return strpos($value, '!') !== false;
+}
+function fixup_not($value) {
+	return str_replace("!", "not ", $value);
+}
+function strip_not($value) {
+	return ltrim(trim($value), '!');
+}
+
+function fixup_host($value, $position) {
+	$host = strip_host_logic($value);
+	$not = has_not($value) ? "not " : "";
+	$andor = ($position > 0) ? get_host_boolean($value, $host) : "";
+	if (is_ipaddr($host)) {
+		return "{$andor}host {$not}" . $host;
+	} elseif (is_subnet($host)) {
+		return "{$andor}net {$not}" . $host;
+	} else {
+		return "";
+	}
+}
+
+if ($_POST['downloadbtn'] == gettext("Download Capture")) {
+	$nocsrf = true;
+}
+
+$pgtitle = array(gettext("Diagnostics"), gettext("Packet Capture"));
+require_once("guiconfig.inc");
+require_once("pfsense-utils.inc");
+
+$fp = "/root/";
+$fn = "packetcapture.cap";
+$snaplen = 0;//default packet length
+$count = 100;//default number of packets to capture
+
+$fams = array('ip', 'ip6');
+$protos = array('icmp', 'icmp6', 'tcp', 'udp', 'arp', 'carp', 'esp',
+		'!icmp', '!icmp6', '!tcp', '!udp', '!arp', '!carp', '!esp');
+
+$input_errors = array();
+
+$interfaces = get_configured_interface_with_descr();
+if (isset($config['ipsec']['enable'])) {
+	$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($setting['description']);
+			}
+		}
+	}
+}
+
+if ($_POST) {
+	$host = $_POST['host'];
+	$selectedif = $_POST['interface'];
+	$count = $_POST['count'];
+	$snaplen = $_POST['snaplen'];
+	$port = $_POST['port'];
+	$detail = $_POST['detail'];
+	$fam = $_POST['fam'];
+	$proto = $_POST['proto'];
+
+	if (!array_key_exists($selectedif, $interfaces)) {
+		$input_errors[] = gettext("Invalid interface.");
+	}
+	if ($fam !== "" && $fam !== "ip" && $fam !== "ip6") {
+		$input_errors[] = gettext("Invalid address family.");
+	}
+	if ($proto !== "" && !in_array(strip_not($proto), $protos)) {
+		$input_errors[] = gettext("Invalid protocol.");
+	}
+
+	if ($host != "") {
+		$host_string = str_replace(array(" ", "|", ","), array("", "#|", "#+"), $host);
+		if (strpos($host_string, '#') === false) {
+			$hosts = array($host);
+		} else {
+			$hosts = explode('#', $host_string);
+		}
+		foreach ($hosts as $h) {
+			if (!is_subnet(strip_host_logic($h)) && !is_ipaddr(strip_host_logic($h))) {
+				$input_errors[] = sprintf(gettext("A valid IP address or CIDR block must be specified. [%s]"), $h);
+			}
+		}
+	}
+	if ($port != "") {
+		if (!is_port(strip_not($port))) {
+			$input_errors[] = gettext("Invalid value specified for port.");
+		}
+	}
+	if ($snaplen == "") {
+		$snaplen = 0;
+	} else {
+		if (!is_numeric($snaplen) || $snaplen < 0) {
+			$input_errors[] = gettext("Invalid value specified for packet length.");
+		}
+	}
+	if ($count == "") {
+		$count = 0;
+	} else {
+		if (!is_numeric($count) || $count < 0) {
+			$input_errors[] = gettext("Invalid value specified for packet count.");
+		}
+	}
+
+	if (!count($input_errors)) {
+		$do_tcpdump = true;
+
+		conf_mount_rw();
+
+		if ($_POST['promiscuous']) {
+			//if promiscuous mode is checked
+			$disablepromiscuous = "";
+		} else {
+			//if promiscuous mode is unchecked
+			$disablepromiscuous = "-p";
+		}
+
+		if ($_POST['dnsquery']) {
+			//if dns lookup is checked
+			$disabledns = "";
+		} else {
+			//if dns lookup is unchecked
+			$disabledns = "-n";
+		}
+
+		if ($_POST['startbtn'] != "") {
+			$action = gettext("Start");
+
+			//delete previous packet capture if it exists
+			if (file_exists($fp.$fn)) {
+				unlink ($fp.$fn);
+			}
+
+		} elseif ($_POST['stopbtn'] != "") {
+			$action = gettext("Stop");
+			$processes_running = trim(shell_exec("/bin/ps axw -O pid= | /usr/bin/grep tcpdump | /usr/bin/grep {$fn} | /usr/bin/egrep -v '(pflog|grep)'"));
+
+			//explode processes into an array, (delimiter is new line)
+			$processes_running_array = explode("\n", $processes_running);
+
+			//kill each of the packetcapture processes
+			foreach ($processes_running_array as $process) {
+				$process_id_pos = strpos($process, ' ');
+				$process_id = substr($process, 0, $process_id_pos);
+				exec("kill $process_id");
+			}
+
+		} elseif ($_POST['downloadbtn'] != "") {
+			//download file
+			$fs = filesize($fp.$fn);
+			header("Content-Type: application/octet-stream");
+			header("Content-Disposition: attachment; filename=$fn");
+			header("Content-Length: $fs");
+			readfile($fp.$fn);
+			exit;
+		}
+	}
+} else {
+	$do_tcpdump = false;
+}
+
+include("head.inc"); ?>
+
+<body link="#000000" vlink="#0000CC" alink="#0000CC">
+
+<?php
+include("fbegin.inc");
+?>
+
+<?php if ($input_errors) print_input_errors($input_errors); ?>
+
+<table width="100%" border="0" cellpadding="0" cellspacing="0" summary="diag packet capture">
+	<tr><td>
+	<form action="diag_packet_capture.php" method="post" name="iform" id="iform">
+	<table width="100%" border="0" cellpadding="6" cellspacing="0" summary="table">
+		<tr>
+			<td colspan="3" valign="top" class="listtopic"><?=gettext("Packet capture");?></td>
+		</tr>
+		<tr>
+			<td width="17%" valign="top" class="vncellreq"><?=gettext("Interface");?></td>
+			<td width="32%" class="vtable">
+				<select name="interface">
+				<?php foreach ($interfaces as $iface => $ifacename): ?>
+					<option value="<?=$iface;?>" <?php if ($selectedif == $iface) echo "selected=\"selected\""; ?>>
+					<?php echo $ifacename;?>
+					</option>
+				<?php endforeach; ?>
+				</select>
+				<br /><?=gettext("Select the interface on which to capture traffic.");?>
+			</td>
+		</tr>
+		<tr>
+			<td width="17%" valign="top" class="vncellreq"><?=gettext("Promiscuous");?></td>
+			<td width="51%" class="vtable">
+				<input name="promiscuous" type="checkbox"<?php if ($_POST['promiscuous']) echo " checked=\"checked\""; ?> />
+				<br /><?=gettext("If checked, the");?> <a target="_blank" href="http://www.freebsd.org/cgi/man.cgi?query=tcpdump&amp;apropos=0&amp;sektion=0&amp;manpath=FreeBSD+8.3-stable&amp;arch=default&amp;format=html"><?= gettext("packet capture")?></a> <?= gettext("will be performed using promiscuous mode.");?>
+				<br /><b><?=gettext("Note");?>: </b><?=gettext("Some network adapters do not support or work well in promiscuous mode.");?>
+			</td>
+		</tr>
+		<tr>
+			<td width="17%" valign="top" class="vncellreq"><?=gettext("Address Family");?></td>
+			<td colspan="2" width="83%" class="vtable">
+				<select name="fam">
+					<option value="">Any</option>
+					<option value="ip" <?php if ($fam == "ip") echo "selected=\"selected\""; ?>>IPv4 Only</option>
+					<option value="ip6" <?php if ($fam == "ip6") echo "selected=\"selected\""; ?>>IPv6 Only</option>
+				</select>
+				<br /><?=gettext("Select the type of traffic to be captured, either Any, IPv4 only or IPv6 only.");?>
+			</td>
+		</tr>
+		<tr>
+			<td width="17%" valign="top" class="vncellreq"><?=gettext("Protocol");?></td>
+			<td colspan="2" width="83%" class="vtable">
+				<select name="proto">
+					<option value="">Any</option>
+					<option value="icmp" <?php if ($proto == "icmp") echo "selected=\"selected\""; ?>>ICMP</option>
+					<option value="!icmp" <?php if ($proto == "!icmp") echo "selected=\"selected\""; ?>>Exclude ICMP</option>
+					<option value="icmp6" <?php if ($proto == "icmp6") echo "selected=\"selected\""; ?>>ICMPv6</option>
+					<option value="!icmp6" <?php if ($proto == "!icmp6") echo "selected=\"selected\""; ?>>Exclude ICMPv6</option>
+					<option value="tcp" <?php if ($proto == "tcp") echo "selected=\"selected\""; ?>>TCP</option>
+					<option value="!tcp" <?php if ($proto == "!tcp") echo "selected=\"selected\""; ?>>Exclude TCP</option>
+					<option value="udp" <?php if ($proto == "udp") echo "selected=\"selected\""; ?>>UDP</option>
+					<option value="!udp" <?php if ($proto == "!udp") echo "selected=\"selected\""; ?>>Exclude UDP</option>
+					<option value="arp" <?php if ($proto == "arp") echo "selected=\"selected\""; ?>>ARP</option>
+					<option value="!arp" <?php if ($proto == "!arp") echo "selected=\"selected\""; ?>>Exclude ARP</option>
+					<option value="carp" <?php if ($proto == "carp") echo "selected=\"selected\""; ?>>CARP (VRRP)</option>
+					<option value="!carp" <?php if ($proto == "!carp") echo "selected=\"selected\""; ?>>Exclude CARP (VRRP)</option>
+					<option value="esp" <?php if ($proto == "esp") echo "selected=\"selected\""; ?>>ESP</option>
+				</select>
+				<br /><?=gettext("Select the protocol to capture, or Any.");?>
+			</td>
+		</tr>
+		<tr>
+			<td width="17%" valign="top" class="vncellreq"><?=gettext("Host Address");?></td>
+			<td colspan="2" width="83%" class="vtable">
+				<input name="host" class="formfld host" id="host" size="20" value="<?=htmlspecialchars($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("Matching can be negated by preceding the value with \"!\". Multiple IP addresses or CIDR subnets may be specified. Comma (\",\") separated values perform a boolean \"and\". Separating with a pipe (\"|\") performs a boolean \"or\".");?>
+				<br /><?=gettext("If you leave this field blank, all packets on the specified interface will be captured.");?>
+			</td>
+		</tr>
+		<tr>
+			<td width="17%" valign="top" class="vncellreq"><?=gettext("Port");?></td>
+			<td colspan="2" width="83%" class="vtable">
+				<input name="port" class="formfld unknown" id="port" size="5" value="<?=htmlspecialchars($port);?>" />
+				<br /><?=gettext("The port can be either the source or destination port. The packet capture will look for this port in either field.");?>
+				<br /><?=gettext("Leave blank if you do not want to filter by port.");?>
+			</td>
+		</tr>
+		<tr>
+			<td width="17%" valign="top" class="vncellreq"><?=gettext("Packet Length");?></td>
+			<td colspan="2" width="83%" class="vtable">
+				<input name="snaplen" class="formfld unknown" id="snaplen" size="5" value="<?=htmlspecialchars($snaplen);?>" />
+				<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.");?>
+			</td>
+		</tr>
+		<tr>
+			<td width="17%" valign="top" class="vncellreq"><?=gettext("Count");?></td>
+			<td colspan="2" width="83%" class="vtable">
+				<input name="count" class="formfld unknown" id="count" size="5" value="<?=htmlspecialchars($count);?>" />
+				<br /><?=gettext("This is the number of packets the packet capture will grab. Default value is 100.") . "<br />" . gettext("Enter 0 (zero) for no count limit.");?>
+			</td>
+		</tr>
+		<tr>
+			<td width="17%" valign="top" class="vncellreq"><?=gettext("Level of Detail");?></td>
+			<td colspan="2" width="83%" class="vtable">
+				<select name="detail" class="formselect" id="detail" size="1">
+					<option value="normal" <?php if ($detail == "normal") echo "selected=\"selected\""; ?>><?=gettext("Normal");?></option>
+					<option value="medium" <?php if ($detail == "medium") echo "selected=\"selected\""; ?>><?=gettext("Medium");?></option>
+					<option value="high"   <?php if ($detail == "high")   echo "selected=\"selected\""; ?>><?=gettext("High");?></option>
+					<option value="full"   <?php if ($detail == "full")   echo "selected=\"selected\""; ?>><?=gettext("Full");?></option>
+				</select>
+				<br />
+				<?=gettext("This is the level of detail that will be displayed after hitting 'Stop' when the packets have been captured.") . "<br /><b>" .
+					gettext("Note:") . "</b> " .
+					gettext("This option does not affect the level of detail when downloading the packet capture.");?>
+			</td>
+		</tr>
+		<tr>
+			<td width="17%" valign="top" class="vncellreq"><?=gettext("Reverse DNS Lookup");?></td>
+			<td colspan="2" width="83%" class="vtable">
+				<input name="dnsquery" type="checkbox" <?php if ($_POST['dnsquery']) echo " checked=\"checked\""; ?> />
+				<br /><?=gettext("This check box will cause the packet capture to perform a reverse DNS lookup associated with all IP addresses.");?>
+				<br /><b><?=gettext("Note");?>: </b><?=gettext("This option can cause delays for large packet captures.");?>
+			</td>
+		</tr>
+		<tr>
+			<td width="17%" valign="top">&nbsp;</td>
+			<td colspan="2" width="83%">
+<?php
+
+			/* check to see if packet capture tcpdump is already running */
+			$processcheck = (trim(shell_exec("/bin/ps axw -O pid= | /usr/bin/grep tcpdump | /usr/bin/grep {$fn} | /usr/bin/egrep -v '(pflog|grep)'")));
+
+			if ($processcheck != "") {
+				$processisrunning = true;
+			} else {
+				$processisrunning = false;
+			}
+
+			if (($action == gettext("Stop") or $action == "") and $processisrunning != true) {
+				echo "<input type=\"submit\" name=\"startbtn\" value=\"" . gettext("Start") . "\" />&nbsp;";
+			} else {
+				echo "<input type=\"submit\" name=\"stopbtn\" value=\"" . gettext("Stop") . "\" />&nbsp;";
+			}
+			if (file_exists($fp.$fn) and $processisrunning != true) {
+				echo "<input type=\"submit\" name=\"viewbtn\" value=\"" . gettext("View Capture") . "\" />&nbsp;";
+				echo "<input type=\"submit\" name=\"downloadbtn\" value=\"" . gettext("Download Capture") . "\" />";
+				echo "<br />" . gettext("The packet capture file was last updated:") . " " . date("F jS, Y g:i:s a.", filemtime($fp.$fn));
+			}
+?>
+			</td>
+		</tr>
+	</table>
+	</form>
+	<table width="100%" border="0" cellpadding="6" cellspacing="0" summary="results">
+		<tr>
+			<td valign="top" colspan="2">
+<?php
+		echo "<font face=\"terminal\" size=\"2\">";
+		if ($processisrunning == true) {
+			echo("<strong>" . gettext("Packet Capture is running.") . "</strong><br />");
+		}
+
+		if ($do_tcpdump) {
+			$matches = array();
+
+			if (in_array($fam, $fams)) {
+				$matches[] = $fam;
+			}
+
+			if (in_array($proto, $protos)) {
+				$matches[] = fixup_not($proto);
+			}
+
+			if ($port != "") {
+				$matches[] = "port ".fixup_not($port);
+			}
+
+			if ($host != "") {
+				$hostmatch = "";
+				$hostcount = 0;
+				foreach ($hosts as $h) {
+					$h = fixup_host($h, $hostcount++);
+					if (!empty($h)) {
+						$hostmatch .= " " . $h;
+					}
+				}
+				if (!empty($hostmatch)) {
+					$matches[] = "({$hostmatch})";
+				}
+			}
+
+			if ($count != "0") {
+				$searchcount = "-c " . $count;
+			} else {
+				$searchcount = "";
+			}
+
+			$selectedif = convert_friendly_interface_to_real_interface_name($selectedif);
+
+			if ($action == gettext("Start")) {
+				$matchstr = implode($matches, " and ");
+				echo("<strong>" . gettext("Packet Capture is running.") . "</strong><br />");
+				$cmd = "/usr/sbin/tcpdump -i {$selectedif} {$disablepromiscuous} {$searchcount} -s {$snaplen} -w {$fp}{$fn} " . escapeshellarg($matchstr);
+				// Debug
+				//echo $cmd;
+				mwexec_bg ($cmd);
+			} else {
+				//action = stop
+				echo("<strong>" . gettext("Packet Capture stopped.") . "<br /><br />" . gettext("Packets Captured:") . "</strong><br />");
+?>
+				<script type="text/javascript">
+				//<![CDATA[
+				window.onload=function() {
+					document.getElementById("packetsCaptured").wrap='off';
+				}
+				//]]>
+				</script>
+				<textarea id="packetsCaptured" style="width:98%" name="code" rows="15" cols="66" readonly="readonly">
+<?php
+				$detail_args = "";
+				switch ($detail) {
+					case "full":
+						$detail_args = "-vv -e";
+						break;
+					case "high":
+						$detail_args = "-vv";
+						break;
+					case "medium":
+						$detail_args = "-v";
+						break;
+					case "normal":
+					default:
+						$detail_args = "-q";
+						break;
+				}
+				system("/usr/sbin/tcpdump {$disabledns} {$detail_args} -r {$fp}{$fn}");
+
+				conf_mount_ro();
+?>
+				</textarea>
+<?php
+			}
+		}
+?>
+				&nbsp;</font>
+			</td>
+		</tr>
+	</table>
+	</td></tr>
+</table>
+
+<?php
+include("fend.inc");
+?>
+</body>
+</html>