<?php

/*
    Copyright (C) 2014 Deciso B.V.
    Copyright (C) 2010-2014 Jim Pingle
    Copyright (C) 2005-2009 Scott Ullrich
    Copyright (C) 2005 Colin Smith
    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.
*/

require_once("guiconfig.inc");

function addipinfo(&$iparr, $ip, $proto, $srcport, $dstport) {
    if (!isset($iparr[$ip]['seen'])) {
        $iparr[$ip] = array("seen" => 0, "protos" => array());
    }
    if (!isset($iparr[$ip]['protos'][$proto])) {
        $iparr[$ip]['protos'][$proto] = array("seen" => 0, 'srcports' => array(), 'dstports' => array());
    }
    $iparr[$ip]['seen']++;
    $iparr[$ip]['protos'][$proto]['seen']++;
    if (!empty($srcport)) {
        if (!isset($iparr[$ip]['protos'][$proto]['srcports'][$srcport])) {
            $iparr[$ip]['protos'][$proto]['srcports'][$srcport] = 0;
        }
        $iparr[$ip]['protos'][$proto]['srcports'][$srcport]++;
    }
    if (!empty($dstport)) {
        $iparr[$ip]['protos'][$proto]['dstports'][$dstport]++;
    }
}

function sort_by_ip($a, $b) {
    return ip2ulong($a) < ip2ulong($b) ? -1 : 1;
}

function build_port_info($portarr, $proto) {
    if (empty($portarr)) {
        return '';
    }
    $ports = array();
    asort($portarr);
    foreach (array_reverse($portarr, TRUE) as $port => $count) {
        $str = "";
        $service = getservbyport($port, strtolower($proto));
        $port = "{$proto}/{$port}";
        if (!empty($service)) {
            $port = "{$port} ({$service})";
        }
        $ports[] = "{$port}: {$count}";
    }
    return implode($ports, ', ');
}

$srcipinfo = array();
$dstipinfo = array();
$allipinfo = array();
$pairipinfo = array();

$states = json_decode(configd_run("filter list states json"), true);
if(isset($states['details'])) {
  foreach($states['details'] as $state) {
    if (isset($state['nat_addr']) && $states['direction'] == 'out') {
        $srcip = $state['nat_addr'] ;
        $srcport = $state['nat_port'] ;
    } else {
        $srcip = $state['src_addr'] ;
        $srcport = $state['src_port'] ;
    }
    $dstip = $state['dst_addr'] ;
    $dstport = $state['dst_port'] ;
    $proto = $state['proto'];

    addipinfo($srcipinfo, $srcip, $proto, $srcport, $dstport);
    addipinfo($dstipinfo, $dstip, $proto, $srcport, $dstport);
    addipinfo($pairipinfo, "{$srcip} -> {$dstip}", $proto, $srcport, $dstport);

    addipinfo($allipinfo, $srcip, $proto, $srcport, $dstport);
    addipinfo($allipinfo, $dstip, $proto, $srcport, $dstport);

  }
}


function print_summary_table($label, $iparr, $sort = TRUE) {
    if ($sort) {
        uksort($iparr, "sort_by_ip");
    }
    ?>
    <section class="col-xs-12">
      <div class="content-box">
        <header class="content-box-head container-fluid">
          <h3><?=$label; ?></h3>
        </header>
        <div class="table-responsive">
          <table class="table table-striped">
            <tr>
              <td><?=gettext("IP");?></td>
              <td># <?=gettext("States");?></td>
              <td><?=gettext("Proto");?></td>
              <td># <?=gettext("States");?></td>
              <td><?=gettext("Src Ports");?></td>
              <td><?=gettext("Dst Ports");?></td>
            </tr>
    <?php
    foreach($iparr as $ip => $ipinfo) { ?>
            <tr>
              <td><?= $ip; ?></td>
              <td><?= $ipinfo['seen']; ?></td>
              <td colspan="4">&nbsp;</td>
            </tr>
<?php     foreach($ipinfo['protos'] as $proto => $protoinfo) { ?>
        <tr>
          <td colspan="2">&nbsp;</td>
          <td><?=$proto; ?></td>
          <td ><?=$protoinfo['seen']; ?></td>
          <td ><span data-toggle="tooltip" title="<?=build_port_info($protoinfo['srcports'], $proto); ?>"><?=count($protoinfo['srcports']); ?></span></td>
          <td ><span data-toggle="tooltip" title="<?=build_port_info($protoinfo['dstports'], $proto); ?>"><?=count($protoinfo['dstports']); ?></span></td>
        </tr>
        <?php } ?>
      <?php } ?>
      </table>
     </div>
   </div>
  </section>
<?php
}

include("head.inc");

echo "<body>";

include("fbegin.inc");
?>
<section class="page-content-main">
  <div class="container-fluid">
    <div class="row">
<?
print_summary_table(gettext("By Source IP"), $srcipinfo);
print_summary_table(gettext("By Destination IP"), $dstipinfo);
print_summary_table(gettext("Total per IP"), $allipinfo);
print_summary_table(gettext("By IP Pair"), $pairipinfo, FALSE);
?>
    </div>
  </div>
</section>

<?php include("foot.inc"); ?>
