diff options
Diffstat (limited to 'usr/local/www/diag_packet_capture.php')
| -rw-r--r-- | usr/local/www/diag_packet_capture.php | 485 |
1 files changed, 0 insertions, 485 deletions
diff --git a/usr/local/www/diag_packet_capture.php b/usr/local/www/diag_packet_capture.php deleted file mode 100644 index 14be5d1..0000000 --- a/usr/local/www/diag_packet_capture.php +++ /dev/null @@ -1,485 +0,0 @@ -<?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&apropos=0&sektion=0&manpath=FreeBSD+8.3-stable&arch=default&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"> </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 $processisrunning != true) { - echo "<input type=\"submit\" name=\"startbtn\" value=\"" . gettext("Start") . "\" /> "; - } else { - echo "<input type=\"submit\" name=\"stopbtn\" value=\"" . gettext("Stop") . "\" /> "; - } - if (file_exists($fp.$fn) and $processisrunning != true) { - echo "<input type=\"submit\" name=\"viewbtn\" value=\"" . gettext("View Capture") . "\" /> "; - echo "<input type=\"submit\" name=\"downloadbtn\" value=\"" . gettext("Download Capture") . "\" />"; - echo "<br />" . gettext("The packet capture file was last updated:") . " " . date("F jS, Y g:i:s a.", filemtime($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 - } - } -?> - </font> - </td> - </tr> - </table> - </td></tr> -</table> - -<?php -include("fend.inc"); -?> -</body> -</html> |
