mirror of
https://github.com/librenms/librenms.git
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97 lines
2.7 KiB
PHP
97 lines
2.7 KiB
PHP
<?php
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/* Copyright (C) 2015 Daniel Preussker <f0o@devilcode.org>
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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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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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>. */
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/**
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* Device-Grouping
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* @author Daniel Preussker <f0o@devilcode.org>
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* @copyright 2015 f0o, LibreNMS
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* @license GPL
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* @package LibreNMS
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* @subpackage Devices
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*/
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/**
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* Generate SQL from Group-Pattern
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* @param string $pattern Pattern to generate SQL for
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* @param string $search What to searchid for
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* @return string
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*/
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function GenGroupSQL($pattern,$search='') {
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$tmp = explode(" ",$pattern);
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$tables = array();
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foreach( $tmp as $opt ) {
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if( strstr($opt,'%') && strstr($opt,'.') ) {
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$tmpp = explode(".",$opt,2);
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$tmpp[0] = str_replace("%","",$tmpp[0]);
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$tables[] = mres(str_replace("(","",$tmpp[0]));
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$pattern = str_replace($opt,$tmpp[0].'.'.$tmpp[1],$pattern);
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}
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}
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$tables = array_keys(array_flip($tables));
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$x = sizeof($tables);
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$i = 0;
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$join = "";
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while( $i < $x ) {
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if( isset($tables[$i+1]) ) {
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$join .= $tables[$i].".device_id = ".$tables[$i+1].".device_id && ";
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}
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$i++;
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}
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if( !empty($search) ) {
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$search .= " &&";
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}
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$sql = "SELECT DISTINCT(".str_replace("(","",$tables[0]).".device_id) FROM ".implode(",",$tables)." WHERE ".$search." (".str_replace(array("%","@","!~","~"),array("","%","NOT LIKE","LIKE"),$pattern).")";
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return $sql;
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}
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/**
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* Get all devices of Group
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* @param int $group_id Group-ID
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* @return string
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*/
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function GetDevicesFromGroup($group_id) {
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$pattern = dbFetchCell("SELECT pattern FROM device_groups WHERE id = ?",array($group_id));
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$pattern = rtrim($pattern,'&&');
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$pattern = rtrim($pattern,'||');
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if( !empty($pattern) ) {
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return dbFetchRows(GenGroupSQL($pattern));
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}
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return false;
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}
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/**
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* Get all Device-Groups
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* @return array
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*/
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function GetDeviceGroups() {
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return dbFetchRows("SELECT * FROM device_groups");
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}
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/**
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* Get all groups of Device
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* @param int $device Device-ID
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* @return array
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*/
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function GetGroupsFromDevice($device) {
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$ret = array();
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foreach( GetDeviceGroups() as $group ) {
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if( dbFetchCell(GenGroupSQL($group['pattern'],'device_id=?').' LIMIT 1',array($device)) == $device ){
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$ret[] = $group['id'];
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}
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}
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return $ret;
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}
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?>
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