190 lines
6.3 KiB
PHP
190 lines
6.3 KiB
PHP
<?php
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// Pandora FMS - http://pandorafms.com
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// ==================================================
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// Copyright (c) 2005-2009 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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audit_db ($config['id_user'], $_SERVER['REMOTE_ADDR'], "ACL Violation",
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"Trying to access node graph builder");
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include ("general/noaccess.php");
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exit;
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}
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require_once ('include/functions_networkmap.php');
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// Load variables
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$layout = (string) get_parameter ('layout', 'radial');
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$nooverlap = (int) get_parameter ('nooverlap', 0);
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$pure = (int) get_parameter ('pure');
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$zoom = (float) get_parameter ('zoom');
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$ranksep = (float) get_parameter ('ranksep', 2.5);
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$simple = (int) get_parameter ('simple', 0);
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$regen = (int) get_parameter ('regen',1); // Always regen by default
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$font_size = (int) get_parameter ('font_size', 12);
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$group = (int) get_parameter ('group', 0);
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$center = (int) get_parameter ('center', 0);
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/* Main code */
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print_page_header (__('Network map'));
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if ($pure == 1) {
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echo '<a href="index.php?sec=estado&sec2=operation/agentes/networkmap&pure=0">';
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print_image ("images/normalscreen.png", false, array ('title' => __('Normal screen'), 'alt' => __('Normal screen')));
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echo '</a>';
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} else {
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echo '<a href="index.php?sec=estado&sec2=operation/agentes/networkmap&pure=1">';
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print_image ("images/fullscreen.png", false, array ('title' => __('Normal screen'), 'alt' => __('Normal screen')));
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echo '</a>';
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}
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echo '</h2>';
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// Layout selection
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$layout_array = array (
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'circular' => 'circular',
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'radial' => 'radial',
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'spring1' => 'spring 1',
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'spring2' => 'spring 2',
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'flat' => 'flat');
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echo '<form action="index.php?sec=estado&sec2=operation/agentes/networkmap&pure='.$pure.'&center='.$center.'" method="post">';
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echo '<table cellpadding="4" cellspacing="4" class="databox" width="100%">';
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echo '<tr>';
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echo '<td valign="top">' . __('Group') . '<br />';
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print_select_from_sql ('SELECT id_grupo, nombre FROM tgrupo WHERE id_grupo > 0 ORDER BY nombre', 'group', $group, '', 'All', 0, false);
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echo '</td>';
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echo '<td valign="top">' . __('Layout') . '<br />';
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print_select ($layout_array, 'layout', $layout, '', '', '');
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echo '</td>';
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echo '<td valign="top">' . __('No Overlap') . '<br />';
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print_checkbox ('nooverlap', '1', $nooverlap);
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echo '</td>';
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echo '<td valign="top">' . __('Simple') . '<br />';
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print_checkbox ('simple', '1', $simple);
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echo '</td>';
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echo '<td valign="top">' . __('Regenerate') . '<br />';
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print_checkbox ('regen', '1', $regen);
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echo '</td>';
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if ($pure == "1") {
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// Zoom
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$zoom_array = array (
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'1' => 'x1',
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'1.2' => 'x2',
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'1.6' => 'x3',
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'2' => 'x4',
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'2.5' => 'x5',
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'5' => 'x10',
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);
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echo '<td valign="top">' . __('Zoom') . '<br />';
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print_select ($zoom_array, 'zoom', $zoom, '', '', '');
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echo '</td>';
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}
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if ($nooverlap == 1){
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echo "<td>";
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echo __('Distance between nodes') . '<br />';
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print_input_text ('ranksep', $ranksep, $alt = 'Separation between elements in the map (in Non-overlap mode)', 3, 4, 0);
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echo "</td>";
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}
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echo "<td>";
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echo __('Font') . '<br />';
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print_input_text ('font_size', $font_size, $alt = 'Font size (in pt)', 2, 4, 0);
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echo "</td>";
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//echo ' Display groups <input type="checkbox" name="group" value="group" class="chk"/>';
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echo '<td>';
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print_submit_button (__('Update'), "updbutton", false, 'class="sub upd"');
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echo '</td></tr>';
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echo '</table></form>';
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// Set filter
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$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, $pure);
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if ($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 = $config["attachment_store"]."/networkmap_".$layout;
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$filename_img = "attachment/networkmap_".$layout."_".$font_size;
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$filename_dot = $config["attachment_store"]."/networkmap_".$layout;
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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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$filename_map .= ".map";
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$filename_img .= ".png";
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$filename_dot .= ".dot";
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if ($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 $result;
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echo "<br /> Apparently something went wrong reading the output.<br />";
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echo "<br /> Is ".$config["attachment_store"]." readable 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 $result;
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echo "<br /> Apparently something went wrong executing the command or writing the output.";
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echo "<br /><br /> Is ".$filter." (usually part of GraphViz) and echo installed and able to be executed by the webserver process?";
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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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