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74 lines
1.8 KiB
74 lines
1.8 KiB
1 year ago
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<?php
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/*
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** Zabbix
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** Copyright (C) 2001-2023 Zabbix SIA
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**
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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 2 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, write to the Free Software
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** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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**/
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/**
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* Validate only trigger event name field expression macros, other macros will be ignored.
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*/
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class CEventNameValidator extends CValidator {
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/**
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* Returns true if the given $value is valid, or set's an error and returns false otherwise.
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*
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* @param $value
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*
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* @return bool
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*/
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public function validate($value) {
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$p = 0;
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$expr_macro = new CExpressionMacroParser([
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'usermacros' => true,
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'lldmacros' => true,
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'host_macro_n' => true,
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'empty_host' => true
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]);
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$expr_func_macro = new CExpressionMacroFunctionParser([
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'usermacros' => true,
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'lldmacros' => true,
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'host_macro_n' => true,
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'empty_host' => true
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]);
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while (isset($value[$p])) {
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if (substr($value, $p, 2) !== '{?') {
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$p++;
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continue;
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}
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if ($expr_func_macro->parse($value, $p) === CParser::PARSE_FAIL) {
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if ($expr_macro->parse($value, $p) === CParser::PARSE_FAIL) {
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$this->setError($expr_macro->getError());
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return false;
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}
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else {
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$p += $expr_macro->getLength();
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}
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}
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else {
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$p += $expr_func_macro->getLength();
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}
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}
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return true;
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}
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}
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