99 lines
3.6 KiB
PHP
99 lines
3.6 KiB
PHP
<?php
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// Pandora FMS - http://pandorafms.com
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// ==================================================
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// Copyright (c) 2005-2010 Artica Soluciones Tecnologicas
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// Please see http://pandorafms.org for full contribution list
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation for version 2.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// Load global vars
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global $config;
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check_login ();
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if (! give_acl ($config['id_user'], 0, "AR")) {
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pandora_audit("ACL Violation",
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"Trying to access node graph builder");
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include ("general/noaccess.php");
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exit;
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}
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require_once ('include/functions_networkmap.php');
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// Set filter
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$filter = get_filter ($layout);
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// Generate dot file
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$graph = generate_dot (__('Pandora FMS'), $group, $simple, $font_size, $layout, $nooverlap, $zoom, $ranksep, $center, $regen, $pure, $id_networkmap);
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if ($graph === false) {
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print_error_message (__('Map could not be generated'));
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echo '<div class="nf">' . __('No agents found') . '</div>';
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return;
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}
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// Generate image and map
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// If image was generated just a few minutes ago, then don't regenerate (it takes long) unless regen checkbox is set
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$filename_map = safe_url_extraclean ($config["attachment_store"])."/networkmap_".$filter;
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$filename_img = "attachment/networkmap_".$filter."_".$font_size;
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$filename_dot = safe_url_extraclean ($config["attachment_store"])."/networkmap_".$filter;
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if ($simple) {
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$filename_map .= "_simple";
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$filename_img .= "_simple";
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$filename_dot .= "_simple";
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}
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if ($nooverlap) {
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$filename_map .= "_nooverlap";
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$filename_img .= "_nooverlap";
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$filename_dot .= "_nooverlap";
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}
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$filename_map .= "_".$id_networkmap.".map";
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$filename_img .= "_".$id_networkmap.".png";
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$filename_dot .= "_".$id_networkmap.".dot";
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if ($regen != 1 && file_exists ($filename_img) && filemtime ($filename_img) > get_system_time () - 300) {
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$result = true;
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} else {
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$fh = @fopen ($filename_dot, 'w');
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if ($fh === false) {
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$result = false;
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} else {
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fwrite ($fh, $graph);
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$cmd = "$filter -Tcmapx -o".$filename_map." -Tpng -o".$filename_img." ".$filename_dot;
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$result = system ($cmd);
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fclose ($fh);
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//unlink ($filename_dot);
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}
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}
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if ($result !== false) {
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if (! file_exists ($filename_map)) {
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print_error_message (__('Map could not be generated'));
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echo $result;
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echo "<div class='warn'>Apparently something went wrong reading the output.</div>";
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echo "<br />Is ".$config["attachment_store"]." readable by the webserver process?";
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echo "<br /><br /> Is ".$filter." (usually part of GraphViz) and echo installed and able to be executed by the webserver process?";
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return;
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}
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print_image ($filename_img, false, array ("alt" => __('Network map'), "usemap" => "#networkmap"));
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require ($filename_map);
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} else {
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print_error_message (__('Map could not be generated'));
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echo $result;
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echo "<div class='warn'>Apparently something went wrong executing the command or writing the output.</div>";
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echo "<br />Is ".$filter." (usually part of GraphViz) and echo installed and able to be executed by the webserver process?";
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echo "<br /><br /> Is your webserver restricted from executing command line tools through the <code>system()</code> call (PHP Safe Mode or SELinux)";
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echo "<br /><br /> Is ".$config["attachment_store"]." writeable by the webserver process? To change this do the following (POSIX-based systems): chown <apache user> ".$config["attachment_store"];
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return;
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}
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?>
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