547 lines
15 KiB
PHP
547 lines
15 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 Lesser General Public License
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// as published by the Free Software Foundation; 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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/**
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* @package Include
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* @subpackage Events
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*/
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/**
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* Get all rows of events from the database, that
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* pass the filter, and can get only some fields.
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*
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* @param mixed Filters elements. It can be an indexed array
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* (keys would be the field name and value the expected value, and would be
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* joined with an AND operator) or a string, including any SQL clause (without
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* the WHERE keyword). Example:
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* <code>
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* Both are similars:
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* get_db_all_rows_filter ('table', array ('disabled', 0));
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* get_db_all_rows_filter ('table', 'disabled = 0');
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*
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* Both are similars:
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* get_db_all_rows_filter ('table', array ('disabled' => 0, 'history_data' => 0), 'name', 'OR');
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* get_db_all_rows_filter ('table', 'disabled = 0 OR history_data = 0', 'name');
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* </code>
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* @param mixed Fields of the table to retrieve. Can be an array or a coma
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* separated string. All fields are retrieved by default
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*
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*
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* @return mixed False in case of error or invalid values passed. Affected rows otherwise
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*/
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function get_events ($filter = false, $fields = false) {
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return get_db_all_rows_filter ('tevento', $filter, $fields);
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}
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function get_event ($id, $fields = false) {
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if (empty ($id))
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return false;
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global $config;
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if (is_array ($fields)) {
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if (! in_array ('id_grupo', $fields))
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$fields[] = 'id_grupo';
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}
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$event = get_db_row ('tevento', 'id_evento', $id, $fields);
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if (! give_acl ($config['id_user'], $event['id_grupo'], 'IR'))
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return false;
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return $event;
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}
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/**
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* Get all the events ids similar to a given event id.
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*
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* An event is similar then the event text (evento) and the id_agentmodule are
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* the same.
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*
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* @param int Event id to get similar events.
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*
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* @return array A list of events ids.
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*/
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function get_similar_events_ids ($id) {
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$ids = array ();
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$event = get_event ($id, array ('evento', 'id_agentmodule'));
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if ($event === false)
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return $ids;
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$events = get_db_all_rows_filter ('tevento',
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array ('evento' => $event['evento'],
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'id_agentmodule' => $event['id_agentmodule']),
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array ('id_evento'));
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if ($events === false)
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return $ids;
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foreach ($events as $event)
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$ids[] = $event['id_evento'];
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return $ids;
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}
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/**
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* Delete events in a transaction
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*
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* @param mixed Event ID or array of events
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* @param bool Whether to delete similar events too.
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*
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* @return bool Whether or not it was successful
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*/
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function delete_event ($id_event, $similar = true) {
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global $config;
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//Cleans up the selection for all unwanted values also casts any single values as an array
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$id_event = (array) safe_int ($id_event, 1);
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/* We must delete all events like the selected */
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if ($similar) {
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foreach ($id_event as $id) {
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$id_event = array_merge ($id_event, get_similar_events_ids ($id));
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}
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}
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process_sql_begin ();
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$errors = 0;
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foreach ($id_event as $event) {
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$sql = sprintf ("DELETE FROM tevento WHERE id_evento = %d", $event);
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$ret = process_sql ($sql);
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if (give_acl ($config["id_user"], get_event_group ($event), "IM") == 0) {
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//Check ACL
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pandora_audit("ACL Violation", "Attempted deleting event #".$event);
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}
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elseif ($ret !== false) {
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pandora_audit("Event deleted", "Deleted event #".$event);
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//ACL didn't fail nor did return
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continue;
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}
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$errors++;
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break;
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}
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if ($errors > 1) {
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process_sql_rollback ();
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return false;
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} else {
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process_sql_commit ();
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return true;
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}
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}
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/**
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* Validate events in a transaction
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*
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* @param mixed Event ID or array of events
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* @param bool Whether to validate similar events or not.
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*
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* @return bool Whether or not it was successful
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*/
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function validate_event ($id_event, $similars = true, $comment = '', $new_status = 1) {
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global $config;
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//Cleans up the selection for all unwanted values also casts any single values as an array
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$id_event = (array) safe_int ($id_event, 1);
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/* We must validate all events like the selected */
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if ($similars) {
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foreach ($id_event as $id) {
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$id_event = array_merge ($id_event, get_similar_events_ids ($id));
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}
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}
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process_sql_begin ();
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$errors = 0;
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switch($new_status) {
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case 1:
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$new_status_string = __('Validated');
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break;
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case 2:
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$new_status_string = __('Setted in process');
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break;
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}
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$comment = str_replace(array("\r\n", "\r", "\n"), '<br>', $comment);
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if($comment != '') {
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$commentbox = '<div style="border:1px dotted #CCC; min-height: 10px;">'.$comment.'</div>';
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}else {
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$commentbox = '';
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}
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$comment = '<b>-- '.$new_status_string.' '.__('by').' '.$config['id_user'].' '.'['.date ($config["date_format"]).'] --</b><br>'.$commentbox;
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foreach ($id_event as $event) {
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$fullevent = get_event($event);
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if($fullevent['user_comment'] != ''){
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$commentbox = '<div style="border:1px dotted #CCC; min-height: 10px;">'.$fullevent['user_comment'].'</div>';
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$comment .= '<br>'.$fullevent['user_comment'];
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}
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$sql = sprintf ("UPDATE tevento SET estado = %d, id_usuario = '%s', user_comment = '%s' WHERE id_evento = %d", $new_status, $config['id_user'], $comment, $event);
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$ret = process_sql ($sql);
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if (give_acl ($config["id_user"], get_event_group ($event), "IW") == 0) {
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//Check ACL
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pandora_audit("ACL Violation", "Attempted updating event #".$event);
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} elseif ($ret !== false) {
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//ACL didn't fail nor did return
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continue;
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}
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$errors++;
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break;
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}
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if ($errors > 1) {
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process_sql_rollback ();
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return false;
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} else {
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foreach ($id_event as $event) {
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pandora_audit("Event validated", "Validated event #".$event);
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}
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process_sql_commit ();
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return true;
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}
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}
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/**
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* Get group id of an event.
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*
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* @param int $id_event Event id
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*
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* @return int Group id of the given event.
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*/
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function get_event_group ($id_event) {
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return (int) get_db_value ('id_grupo', 'tevento', 'id_evento', (int) $id_event);
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}
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/**
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* Get description of an event.
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*
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* @param int $id_event Event id.
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*
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* @return string Description of the given event.
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*/
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function get_event_description ($id_event) {
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return (string) get_db_value ('evento', 'tevento', 'id_evento', (int) $id_event);
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}
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/**
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* Insert a event in the event log system.
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*
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* @param int $event
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* @param int $id_group
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* @param int $id_agent
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* @param int $status
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* @param string $id_user
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* @param string $event_type
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* @param int $priority
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* @param int $id_agent_module
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* @param int $id_aam
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*
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* @return int event id
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*/
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function create_event ($event, $id_group, $id_agent, $status = 0, $id_user = "", $event_type = "unknown", $priority = 0, $id_agent_module = 0, $id_aam = 0) {
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$sql = sprintf ('INSERT INTO tevento (id_agente, id_grupo, evento, timestamp,
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estado, utimestamp, id_usuario, event_type, criticity,
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id_agentmodule, id_alert_am)
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VALUES (%d, %d, "%s", NOW(), %d, UNIX_TIMESTAMP(NOW()), "%s", "%s", %d, %d, %d)',
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$id_agent, $id_group, $event, $status, $id_user, $event_type,
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$priority, $id_agent_module, $id_aam);
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return (int) process_sql ($sql, "insert_id");
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}
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/**
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* Prints a small event table
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*
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* @param string $filter SQL WHERE clause
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* @param int $limit How many events to show
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* @param int $width How wide the table should be
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* @param bool $return Prints out HTML if false
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*
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* @return string HTML with table element
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*/
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function print_events_table ($filter = "", $limit = 10, $width = 440, $return = false) {
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global $config;
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$sql = sprintf ("SELECT * FROM tevento %s ORDER BY timestamp DESC LIMIT %d", $filter, $limit);
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$result = get_db_all_rows_sql ($sql);
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if ($result === false) {
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$return = '<div class="nf">'.__('No events').'</div>';
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if ($return === false) {
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echo $return;
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}
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return $return;
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} else {
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$table->cellpadding = 4;
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$table->cellspacing = 4;
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$table->width = $width;
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$table->class = "databox";
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$table->title = __('Latest events');
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$table->titlestyle = "background-color:#799E48;";
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$table->headclass = array ();
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$table->head = array ();
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$table->rowclass = array ();
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$table->data = array ();
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$table->align = array ();
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$table->head[0] = "<span title='" . __('Validate') . "'>" . __('V.') . "</span>";
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$table->align[0] = 'center';
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$table->head[1] = "<span title='" . __('Severity') . "'>" . __('S.') . "</span>";
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$table->align[1] = 'center';
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$table->head[2] = __('Type');
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$table->headclass[2] = "datos3 f9";
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$table->align[2] = "center";
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$table->head[3] = __('Event name');
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$table->head[4] = __('Agent name');
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$table->head[5] = __('User ID');
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$table->headclass[5] = "datos3 f9";
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$table->align[5] = "center";
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$table->head[6] = __('Timestamp');
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$table->headclass[6] = "datos3 f9";
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$table->align[6] = "right";
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foreach ($result as $event) {
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if (! give_acl ($config["id_user"], $event["id_grupo"], "AR")) {
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continue;
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}
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$data = array ();
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// Colored box
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switch($event["estado"]) {
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case 0:
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$img = "images/star.png";
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$title = __('New event');
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break;
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case 1:
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$img = "images/tick.png";
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$title = __('Event validated');
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break;
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case 2:
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$img = "images/hourglass.png";
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$title = __('Event in process');
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break;
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}
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$data[0] = print_image ($img, true,
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array ("class" => "image_status",
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"width" => 16,
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"height" => 16,
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"title" => $title));
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switch ($event["criticity"]) {
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default:
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case 0:
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$img = "images/status_sets/default/severity_maintenance.png";
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break;
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case 1:
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$img = "images/status_sets/default/severity_informational.png";
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break;
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case 2:
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$img = "images/status_sets/default/severity_normal.png";
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break;
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case 3:
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$img = "images/status_sets/default/severity_warning.png";
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break;
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case 4:
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$img = "images/status_sets/default/severity_critical.png";
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break;
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}
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$data[1] = print_image ($img, true,
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array ("class" => "image_status",
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"width" => 12,
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"height" => 12,
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"title" => get_priority_name ($event["criticity"])));
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/* Event type */
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$data[2] = print_event_type_img ($event["event_type"], true);
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// Event description wrap around by default at 44 or ~3 lines (10 seems to be a good ratio to wrap around for most sizes. Smaller number gets longer strings)
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$wrap = floor ($width / 10);
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$data[3] = '<span class="'.get_priority_class ($event["criticity"]).'f9">'. print_string_substr ($event["evento"],45,true). '</span>';
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if ($event["id_agente"] > 0) {
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// Agent name
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$data[4] = print_agent_name ($event["id_agente"], true);
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// for System or SNMP generated alerts
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}
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elseif ($event["event_type"] == "system") {
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$data[4] = __('System');
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}
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else {
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$data[4] = __('Alert')."SNMP";
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}
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// User who validated event
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if ($event["estado"] != 0) {
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$data[5] = print_username ($event["id_usuario"], true);
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}
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else {
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$data[5] = '';
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}
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// Timestamp
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$data[6] = print_timestamp ($event["timestamp"], true);
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array_push ($table->rowclass, get_priority_class ($event["criticity"]));
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array_push ($table->data, $data);
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}
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$return = print_table ($table, $return);
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unset ($table);
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return $return;
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}
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}
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/**
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* Prints the event type image
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*
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* @param string $type Event type from SQL
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* @param bool $return Whether to return or print
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*
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* @return string HTML with img
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*/
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function print_event_type_img ($type, $return = false) {
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$output = '';
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switch ($type) {
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case "alert_recovered":
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$output .= print_image ("images/error.png", true,
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array ("title" => print_event_type_description($type, true)));
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break;
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case "alert_manual_validation":
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$output .= print_image ("images/eye.png", true,
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array ("title" => print_event_type_description($type, true)));
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break;
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case "going_up_warning":
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$output .= print_image ("images/b_yellow.png", true,
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array ("title" => print_event_type_description($type, true)));
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break;
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case "going_down_critical":
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case "going_up_critical": //This is to be backwards compatible
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$output .= print_image ("images/b_red.png", true,
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array ("title" => print_event_type_description($type, true)));
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break;
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case "going_up_normal":
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case "going_down_normal": //This is to be backwards compatible
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$output .= print_image ("images/b_green.png", true,
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array ("title" => print_event_type_description($type, true)));
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break;
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case "going_down_warning":
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$output .= print_image ("images/b_yellow.png", true,
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array ("title" => print_event_type_description($type, true)));
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break;
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case "alert_fired":
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$output .= print_image ("images/bell.png", true,
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array ("title" => print_event_type_description($type, true)));
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break;
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case "system";
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$output .= print_image ("images/cog.png", true,
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array ("title" => print_event_type_description($type, true)));
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break;
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case "recon_host_detected";
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$output .= print_image ("images/network.png", true,
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array ("title" => print_event_type_description($type, true)));
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break;
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case "new_agent";
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$output .= print_image ("images/wand.png", true,
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array ("title" => print_event_type_description($type, true)));
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break;
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case "unknown":
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default:
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$output .= print_image ("images/err.png", true,
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array ("title" => print_event_type_description($type, true)));
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break;
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}
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if ($return)
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return $output;
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echo $output;
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}
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/**
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* Prints the event type description
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*
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* @param string $type Event type from SQL
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* @param bool $return Whether to return or print
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*
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* @return string HTML with img
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*/
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function print_event_type_description ($type, $return = false) {
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$output = '';
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switch ($type) {
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case "alert_recovered":
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$output .= __('Alert recovered');
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break;
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case "alert_manual_validation":
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$output .= __('Alert manually validated');
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break;
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case "going_up_warning":
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$output .= __('Going from critical to warning');
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break;
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case "going_down_critical":
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case "going_up_critical": //This is to be backwards compatible
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$output .= __('Going down to critical state');
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break;
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case "going_up_normal":
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case "going_down_normal": //This is to be backwards compatible
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$output .= __('Going up to normal state');
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break;
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case "going_down_warning":
|
|
$output .= __('Going down from normal to warning');
|
|
break;
|
|
case "alert_fired":
|
|
$output .= __('Alert fired');
|
|
break;
|
|
case "system";
|
|
$output .= __('SYSTEM');
|
|
break;
|
|
case "recon_host_detected";
|
|
$output .= __('Recon server detected a new host');
|
|
break;
|
|
case "new_agent";
|
|
$output .= __('New agent created');
|
|
break;
|
|
case "unknown":
|
|
default:
|
|
$output .= __('Unknown type:').': '.$type;
|
|
break;
|
|
}
|
|
|
|
if ($return)
|
|
return $output;
|
|
echo $output;
|
|
}
|
|
?>
|