<?php

### FIXME : remove link when port/host is not in the database (things /seen/ but not *discovered*)
###         No, that should be there... I like to see that stuff :> (adama)

#  ini_set('display_errors', 1);
#  ini_set('display_startup_errors', 1);
#  ini_set('log_errors', 1);
#  ini_set('error_reporting', E_ALL);

$links = 1;

include_once("../includes/defaults.inc.php");
include_once("../config.php");
include_once("../includes/functions.php");
include_once("../includes/dbFacile.php");
include_once("includes/functions.inc.php");
include_once("includes/authenticate.inc.php");

if (is_array($config['branding']))
{
  if ($config['branding'][$_SERVER['SERVER_NAME']])
  {
    foreach ($config['branding'][$_SERVER['SERVER_NAME']] as $confitem => $confval)
    {
      eval("\$config['" . $confitem . "'] = \$confval;");
    }
  } else {
    foreach ($config['branding']['default'] as $confitem => $confval)
    {
      eval("\$config['" . $confitem . "'] = \$confval;");
    }
  }
}

if (isset($_GET['device'])) { $where = "WHERE device_id = ".mres($_GET['device']); } else { $where = ""; }

## FIXME this shit probably needs tidied up.

if (isset($_GET['format']) && preg_match("/^[a-z]*$/", $_GET['format']))
{
  $map = "digraph G { sep=0.01; size=\"12,5.5\"; pack=100; bgcolor=transparent; splines=true; overlap=scale; concentrate=0; epsilon=0.001; rankdir=0;
     node [ fontname=\"helvetica\", fontstyle=bold, style=filled, color=white, fillcolor=lightgrey, overlap=false;];
     edge [ bgcolor=white; fontname=\"helvetica\"; fontstyle=bold; arrowhead=dot; arrowtail=dot];
     graph [bgcolor=transparent;];\n\n";

  if (!$_SESSION['authenticated'])
  {
    $map .= "\"Not authenticated\" [fontsize=20 fillcolor=\"lightblue\" URL=\"/\" shape=box3d]\n";
  }
  else
  {
    foreach (dbFetch("SELECT * from devices ".$where) as $device)
    {
      if ($device)
      {
        $links = dbFetch("SELECT * from ports AS I, links AS L WHERE I.device_id = ? AND L.local_interface_id = I.interface_id ORDER BY L.remote_hostname", array($device['device_id']));

        if (count($links))
        {
          $map .= "\"".$device['hostname']."\" [fontsize=20 fillcolor=\"lightblue\" URL=\"{$config['base_url']}/device/".$device['device_id']."/map/\" shape=box3d]\n";
        }

        foreach  ($links as $link)
        {
          $local_interface_id = $link['local_interface_id'];
          $remote_interface_id = $link['remote_interface_id'];

          $i = 0; $done = 0;
          if ($linkdone[$remote_interface_id][$local_interface_id]) { $done = 1; }

          if (!$done)
          {
            $linkdone[$local_interface_id][$remote_interface_id] = TRUE;

	    $links++;

            if ($link['ifSpeed'] >= "10000000000")
            {
              $info = "color=red3 style=\"setlinewidth(6)\"";
            } elseif ($link['ifSpeed'] >= "1000000000") {
              $info = "color=lightblue style=\"setlinewidth(4)\"";
            } elseif ($link['ifSpeed'] >= "100000000") {
              $info = "color=lightgrey style=\"setlinewidth(2)\"";
            } elseif ($link['ifSpeed'] >= "10000000") {
              $info = "style=\"setlinewidth(1)\"";
            } else {
              $info = "style=\"setlinewidth(1)\"";
            }

            $src = $device['hostname'];
            if ($remote_interface_id)
            {
              $dst = dbFetchCell("SELECT `hostname` FROM `devices` AS D, `ports` AS I WHERE I.interface_id = ? AND D.device_id = I.device_id", array($remote_interface_id));
              $dst_host = dbFetchCell("SELECT D.device_id FROM `devices` AS D, `ports` AS I WHERE I.interface_id = ?  AND D.device_id = I.device_id", array($remote_interface_id));
            } else {
	      unset($dst_host);
              $dst = $link['remote_hostname'];
            }

            $sif = ifNameDescr(dbFetchRow("SELECT * FROM ports WHERE `interface_id` = ?", array($link['local_interface_id'])),$device);
            if ($remote_interface_id)
            {
              $dif = ifNameDescr(dbFetchRow("SELECT * FROM ports WHERE `interface_id` = ?", array($link['remote_interface_id'])), $device);
            } else {
              $dif['label'] = $link['remote_port'];
	      $dif['interface_id'] = $link['remote_hostname'] . $link['remote_port'];
	    }

            $map .= "\"" . $sif['interface_id'] . "\" [label=\"" . $sif['label'] . "\", fontsize=12, fillcolor=lightblue URL=\"{$config['base_url']}/device/".$device['device_id']."/port/$local_interface_id/\"]\n";
            if (!$ifdone[$src][$sif['interface_id']])
            {
              $map .= "\"$src\" -> \"" . $sif['interface_id'] . "\" [weight=500000, arrowsize=0, len=0];\n";
              $ifdone[$src][$sif['interface_id']] = 1;
            }

            if($dst_host) {
              $map .= "\"$dst\" [URL=\"{$config['base_url']}/device/$dst_host/map/\" fontsize=20 shape=box3d]\n";
            } else {
              $map .= "\"$dst\" [ fontsize=20 shape=box3d]\n";
            }

            if ($dst_host == $device['device_id'] || $where == '')
            {
              $map .= "\"" . $dif['interface_id'] . "\" [label=\"" . $dif['label'] . "\", fontsize=12, fillcolor=lightblue, URL=\"{$config['base_url']}/device/$dst_host/port/$remote_interface_id/\"]\n";
            } else {
              $map .= "\"" . $dif['interface_id'] . "\" [label=\"" . $dif['label'] . " \", fontsize=12, fillcolor=lightgray, URL=\"{$config['base_url']}/device/$dst_host/port/$remote_interface_id/\"]\n";
            }

            if (!$ifdone[$dst][$dif['interface_id']])
            {
              $map .= "\"" . $dif['interface_id'] . "\" -> \"$dst\" [weight=500000, arrowsize=0, len=0];\n";
              $ifdone[$dst][$dif['interface_id']] = 1;
            }
            $map .= "\"" . $sif['interface_id'] . "\" -> \"" . $dif['interface_id'] . "\" [weight=1, arrowhead=normal, arrowtail=normal, len=2, $info] \n";
          }
        }
        $done = 0;
      }
    }
  }

  $map .= "
};";

  if ($_GET['debug'] == 1) { echo("<pre>$map</pre>");exit(); }

  switch ($_GET['format'])
  {
    case 'svg':
    case 'png':
      break;
    default:
      $_GET['format'] = 'png';
  }

  if ($links > 10) ### Unflatten if there are more than 10 links. beyond that it gets messy
  {
    $maptool = 'unflatten -f -l 5 | dot';
  } else {
    $maptool = 'dot';
  }

  if ($where == '') { $maptool = 'neato -Gpack'; }

  $img = shell_exec("echo \"".addslashes($map)."\" | $maptool -T".$_GET['format']."");
  if ($_GET['format'] == "png")
  {
    header("Content-type: image/".$_GET['format']);
  } elseif ($_GET['format'] == "svg") {
    header("Content-type: image/svg+xml");
    $img = str_replace("<a ", '<a target="_parent" ', $img);
  }
  echo("$img");
}
else
{
  if ($_SESSION['authenticated']) ## FIXME level 10 only?
  {
    echo('<center>
    <object data="'. $config['base_url'] . '/map.php?format=svg" type="image/svg+xml">
    </object>
</center>');
  }
}

?>