diff options
Diffstat (limited to 'src/usr/local/www/diag_packet_capture.php')
| -rw-r--r-- | src/usr/local/www/diag_packet_capture.php | 550 |
1 files changed, 285 insertions, 265 deletions
diff --git a/src/usr/local/www/diag_packet_capture.php b/src/usr/local/www/diag_packet_capture.php index 14be5d1..d4adee8 100644 --- a/src/usr/local/www/diag_packet_capture.php +++ b/src/usr/local/www/diag_packet_capture.php @@ -1,34 +1,61 @@ <?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. */ +/* ==================================================================== + * Copyright (c) 2004-2015 Electric Sheep Fencing, LLC. 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. + * + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgment: + * "This product includes software developed by the pfSense Project + * for use in the pfSense software distribution. (http://www.pfsense.org/). + * + * 4. The names "pfSense" and "pfSense Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * coreteam@pfsense.org. + * + * 5. Products derived from this software may not be called "pfSense" + * nor may "pfSense" appear in their names without prior written + * permission of the Electric Sheep Fencing, LLC. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * + * "This product includes software developed by the pfSense Project + * for use in the pfSense software distribution (http://www.pfsense.org/). + * + * THIS SOFTWARE IS PROVIDED BY THE pfSense PROJECT ``AS IS'' AND ANY + * EXPRESSED 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 pfSense PROJECT OR + * ITS CONTRIBUTORS 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 + pfSense_BUILDER_BINARIES: /bin/ps /usr/bin/grep /usr/sbin/tcpdump + pfSense_MODULE: routing */ ##|+PRIV @@ -43,9 +70,11 @@ $allowautocomplete = true; function fixup_host_logic($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); $andor = ""; @@ -58,14 +87,18 @@ function get_host_boolean($value, $host) { $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), '!'); } @@ -98,7 +131,7 @@ $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'); + '!icmp', '!icmp6', '!tcp', '!udp', '!arp', '!carp', '!esp'); $input_errors = array(); @@ -129,31 +162,37 @@ if ($_POST) { 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 == "") { $snaplen = 0; } else { @@ -161,6 +200,7 @@ if ($_POST) { $input_errors[] = gettext("Invalid value specified for packet length."); } } + if ($count == "") { $count = 0; } else { @@ -226,260 +266,240 @@ if ($_POST) { $do_tcpdump = false; } -include("head.inc"); ?> +$protocollist = array( + '' => 'Any', + 'icmp' => 'ICMP', + '!icmp' => 'Exclude ICMP', + 'icmp6' => 'ICMPv6', + '!icmp6' => 'Exclude ICMPv6', + 'tcp' => 'TCP', + '!tcp' => 'Exclude TCP', + 'udp' => 'UDP', + '!udp' => 'Exclude UDP', + 'arp' => 'ARP', + '!arp' => 'Exclude ARP', + 'carp' => 'CARP (VRRP)', + '!carp' => 'Exclude CARP (VRRP)', + 'esp' => 'ESP' +); + +include("head.inc"); + +if ($input_errors) + print_input_errors($input_errors); + +require('classes/Form.class.php'); + +$form = new Form(false); // No button yet. We add those later depending on the required action + +$section = new Form_Section('General Logging Options'); + +$section->addInput(new Form_Select( + 'interface', + 'Interface', + $selectedif, + $interfaces +))->setHelp('Select the interface on which to capture traffic. '); + +$section->addInput(new Form_Checkbox( + 'promiscuous', + 'Promiscuous', + 'Packet capture will be performed using promiscuous mode', + $pconfig['promiscuous'] +))->setHelp('Note: Some network adapters do not support or work well in promiscuous mode.'. '<br />' . + 'More: ' . '<a target="_blank" href="http://www.freebsd.org/cgi/man.cgi?query=tcpdump&apropos=0&sektion=0&manpath=FreeBSD+8.3-stable&arch=default&format=html">' . + 'Packet capture' . '</a>'); + +$section->addInput(new Form_Select( + 'fam', + 'Address Family', + $fam, + array('' => 'Any', + 'ip' => 'IPv4 Only', + 'ip6' => 'IPv6 Only' + ) +))->setHelp('Select the type of traffic to be captured'); + +$section->addInput(new Form_Select( + 'proto', + 'Protocol', + $proto, + $protocollist +))->setHelp('Select the protocol to capture, or "Any". '); + +$section->addInput(new Form_Input( + 'host', + 'Host Address', + 'text', + $host +))->setHelp('This value is either the Source or Destination IP address or subnet in CIDR notation. The packet capture will look for this address in either field.' . '<br />' . + 'Matching can be negated by preceding the value with "!". Multiple IP addresses or CIDR subnets may be specified. Comma (",") separated values perform a boolean "AND". ' . + 'Separating with a pipe ("|") performs a boolean "OR".' . '<br />' . + 'If you leave this field blank, all packets on the specified interface will be captured.'); + +$section->addInput(new Form_Input( + 'port', + 'Port', + 'text', + $port +))->setHelp('The port can be either the source or destination port. The packet capture will look for this port in either field. ' . + 'Leave blank if you do not want to filter by port.'); + +$section->addInput(new Form_Input( + 'snaplen', + 'Packet Length', + 'text', + $snaplen +))->setHelp('The Packet length is the number of bytes of each packet that will be captured. Default value is 0, ' . + 'which will capture the entire frame regardless of its size.'); + +$section->addInput(new Form_Input( + 'count', + 'Count', + 'text', + $count +))->setHelp('This is the number of packets the packet capture will grab. Default value is 100.' . '<br />' . + 'Enter 0 (zero) for no count limit.'); + +$section->addInput(new Form_Select( + 'detail', + 'Level of detail', + $detail, + array('' => 'Any', + 'normal' => 'Normal', + 'medium' => 'Medium', + 'high' => 'High', + 'full' => 'Full', + ) +))->setHelp('This is the level of detail that will be displayed after hitting "Stop" when the packets have been captured.' . '<br />' . + 'This option does not affect the level of detail when downloading the packet capture. '); + +$section->addInput(new Form_Checkbox( + 'dnsquery', + 'Reverse DNS Lookup', + null, + $_POST['dnsquery'] +))->setHelp('This check box will cause the packet capture to perform a reverse DNS lookup associated with all IP addresses.' . '<br />' . + 'This option can cause delays for large packet captures.'); + +$form->add($section); + +/* check to see if packet capture tcpdump is already running */ +$processcheck = (trim(shell_exec("/bin/ps axw -O pid= | /usr/bin/grep tcpdump | /usr/bin/grep {$fn} | /usr/bin/egrep -v '(pflog|grep)'"))); + +$processisrunning = ($processcheck != ""); + +if (($action == gettext("Stop") or $action == "") and $processisrunning != true) { + $form->addGlobal(new Form_Button( + 'startbtn', + 'Start' + ))->removeClass('btn-primary')->addClass('btn-success'); +} +else { + $form->addGlobal(new Form_Button( + 'stopbtn', + 'Stop' + ))->removeClass('btn-primary')->addClass('btn-warning'); +} -<body link="#000000" vlink="#0000CC" alink="#0000CC"> +if (file_exists($fp.$fn) and $processisrunning != true) { + $form->addGlobal(new Form_Button( + 'viewbtn', + 'View Capture' + ))->removeClass('btn-primary'); + + $form->addGlobal(new Form_Button( + 'downloadbtn', + 'Download Capture' + ))->removeClass('btn-primary'); + + $section->addInput(new Form_StaticText( + 'Last capture', + date("F jS, Y g:i:s a.", filemtime($fp.$fn)) + )); +} -<?php -include("fbegin.inc"); -?> +print($form); -<?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 +if ($do_tcpdump) : + $matches = array(); - /* 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 (in_array($fam, $fams)) + $matches[] = $fam; - if ($processcheck != "") { - $processisrunning = true; - } else { - $processisrunning = false; - } + if (in_array($proto, $protos)) + $matches[] = fixup_not($proto); - 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 ($port != "") + $matches[] = "port ".fixup_not($port); - if ($do_tcpdump) { - $matches = array(); + if ($host != "") { + $hostmatch = ""; + $hostcount = 0; - if (in_array($fam, $fams)) { - $matches[] = $fam; - } + foreach ($hosts as $h) { + $h = fixup_host($h, $hostcount++); - if (in_array($proto, $protos)) { - $matches[] = fixup_not($proto); - } + if (!empty($h)) + $hostmatch .= " " . $h; + } - if ($port != "") { - $matches[] = "port ".fixup_not($port); - } + if (!empty($hostmatch)) + $matches[] = "({$hostmatch})"; + } - 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 { + $searchcount = ""; + } - if ($count != "0") { - $searchcount = "-c " . $count; - } else { - $searchcount = ""; - } + $selectedif = convert_friendly_interface_to_real_interface_name($selectedif); - $selectedif = convert_friendly_interface_to_real_interface_name($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}{$fn}"); - - conf_mount_ro(); + if ($action == gettext("Start")) { + $matchstr = implode($matches, " and "); + + print_info_box(gettext('Packet Capture is running'), 'info'); + + $cmd = "/usr/sbin/tcpdump -i {$selectedif} {$disablepromiscuous} {$searchcount} -s {$snaplen} -w {$fp}{$fn} " . escapeshellarg($matchstr); + // Debug + //echo $cmd; + mwexec_bg ($cmd); + } else { ?> - </textarea> + +<div class="panel panel-default"> + <div class="panel-heading"><h2 class="panel-title"><?=gettext('Packets Captured')?></h2></div> + <div class="panel-body"> + <?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: + $detail_args = "-q"; + break; } -?> - </font> - </td> - </tr> - </table> - </td></tr> -</table> -<?php -include("fend.inc"); + print('<pre>'); + system("/usr/sbin/tcpdump {$disabledns} {$detail_args} -r {$fp}{$fn}"); + print('</pre>'); + + conf_mount_ro(); ?> -</body> -</html> + </div> +</div> +<?php + } +endif; + +include("foot.inc");
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