mirror of https://github.com/Icinga/icinga2.git
445 lines
12 KiB
C++
445 lines
12 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012-2017 Icinga Development Team (https://www.icinga.com/) *
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* *
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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; either version 2 *
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* of the License, or (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 Foundation *
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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******************************************************************************/
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#include "base/scriptutils.hpp"
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#include "base/function.hpp"
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#include "base/utility.hpp"
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#include "base/convert.hpp"
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#include "base/json.hpp"
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#include "base/logger.hpp"
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#include "base/objectlock.hpp"
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#include "base/configtype.hpp"
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#include "base/application.hpp"
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#include "base/dependencygraph.hpp"
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#include "base/initialize.hpp"
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#include <boost/regex.hpp>
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#include <algorithm>
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#include <set>
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#ifdef _WIN32
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#include <msi.h>
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#endif /* _WIN32 */
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using namespace icinga;
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REGISTER_SAFE_SCRIPTFUNCTION_NS(System, regex, &ScriptUtils::Regex, "pattern:text:mode");
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REGISTER_SAFE_SCRIPTFUNCTION_NS(System, match, &ScriptUtils::Match, "pattern:text:mode");
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REGISTER_SAFE_SCRIPTFUNCTION_NS(System, cidr_match, &ScriptUtils::CidrMatch, "pattern:ip:mode");
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REGISTER_SAFE_SCRIPTFUNCTION_NS(System, len, &ScriptUtils::Len, "value");
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REGISTER_SAFE_SCRIPTFUNCTION_NS(System, union, &ScriptUtils::Union, "");
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REGISTER_SAFE_SCRIPTFUNCTION_NS(System, intersection, &ScriptUtils::Intersection, "");
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REGISTER_SCRIPTFUNCTION_NS(System, log, &ScriptUtils::Log, "severity:facility:value");
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REGISTER_SCRIPTFUNCTION_NS(System, range, &ScriptUtils::Range, "start:end:increment");
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REGISTER_SCRIPTFUNCTION_NS(System, exit, &Application::Exit, "status");
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REGISTER_SAFE_SCRIPTFUNCTION_NS(System, typeof, &ScriptUtils::TypeOf, "value");
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REGISTER_SAFE_SCRIPTFUNCTION_NS(System, keys, &ScriptUtils::Keys, "value");
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REGISTER_SAFE_SCRIPTFUNCTION_NS(System, random, &Utility::Random, "");
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REGISTER_SAFE_SCRIPTFUNCTION_NS(System, get_object, &ScriptUtils::GetObject, "type:name");
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REGISTER_SAFE_SCRIPTFUNCTION_NS(System, get_objects, &ScriptUtils::GetObjects, "type");
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REGISTER_SCRIPTFUNCTION_NS(System, assert, &ScriptUtils::Assert, "value");
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REGISTER_SAFE_SCRIPTFUNCTION_NS(System, string, &ScriptUtils::CastString, "value");
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REGISTER_SAFE_SCRIPTFUNCTION_NS(System, number, &ScriptUtils::CastNumber, "value");
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REGISTER_SAFE_SCRIPTFUNCTION_NS(System, bool, &ScriptUtils::CastBool, "value");
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REGISTER_SAFE_SCRIPTFUNCTION_NS(System, get_time, &Utility::GetTime, "");
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REGISTER_SAFE_SCRIPTFUNCTION_NS(System, basename, &Utility::BaseName, "path");
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REGISTER_SAFE_SCRIPTFUNCTION_NS(System, dirname, &Utility::DirName, "path");
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REGISTER_SAFE_SCRIPTFUNCTION_NS(System, msi_get_component_path, &ScriptUtils::MsiGetComponentPathShim, "component");
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REGISTER_SAFE_SCRIPTFUNCTION_NS(System, track_parents, &ScriptUtils::TrackParents, "child");
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REGISTER_SAFE_SCRIPTFUNCTION_NS(System, escape_shell_cmd, &Utility::EscapeShellCmd, "cmd");
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REGISTER_SAFE_SCRIPTFUNCTION_NS(System, escape_shell_arg, &Utility::EscapeShellArg, "arg");
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#ifdef _WIN32
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REGISTER_SAFE_SCRIPTFUNCTION_NS(System, escape_create_process_arg, &Utility::EscapeCreateProcessArg, "arg");
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#endif /* _WIN32 */
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REGISTER_SCRIPTFUNCTION_NS(System, ptr, &ScriptUtils::Ptr, "object");
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REGISTER_SCRIPTFUNCTION_NS(System, sleep, &Utility::Sleep, "interval");
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INITIALIZE_ONCE(&ScriptUtils::StaticInitialize);
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enum MatchType
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{
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MatchAll,
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MatchAny
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};
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void ScriptUtils::StaticInitialize(void)
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{
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ScriptGlobal::Set("MatchAll", MatchAll);
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ScriptGlobal::Set("MatchAny", MatchAny);
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}
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String ScriptUtils::CastString(const Value& value)
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{
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return value;
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}
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double ScriptUtils::CastNumber(const Value& value)
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{
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return value;
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}
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bool ScriptUtils::CastBool(const Value& value)
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{
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return value.ToBool();
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}
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bool ScriptUtils::Regex(const std::vector<Value>& args)
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{
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if (args.size() < 2)
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BOOST_THROW_EXCEPTION(std::invalid_argument("Regular expression and text must be specified."));
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Array::Ptr texts = new Array();
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String pattern = args[0];
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Value argTexts = args[1];
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MatchType mode;
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if (args.size() > 2)
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mode = static_cast<MatchType>(static_cast<int>(args[2]));
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else
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mode = MatchAll;
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if (argTexts.IsObjectType<Array>())
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texts = argTexts;
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else {
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texts = new Array();
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texts->Add(argTexts);
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}
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ObjectLock olock(texts);
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for (const String& text : texts) {
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bool res = false;
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try {
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boost::regex expr(pattern.GetData());
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boost::smatch what;
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res = boost::regex_search(text.GetData(), what, expr);
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} catch (boost::exception&) {
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res = false; /* exception means something went terribly wrong */
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}
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if (mode == MatchAny && res)
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return true;
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else if (mode == MatchAll && !res)
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return false;
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}
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return mode == MatchAll;
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}
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bool ScriptUtils::Match(const std::vector<Value>& args)
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{
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if (args.size() < 2)
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BOOST_THROW_EXCEPTION(std::invalid_argument("Pattern and text must be specified."));
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Array::Ptr texts = new Array();
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String pattern = args[0];
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Value argTexts = args[1];
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MatchType mode;
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if (args.size() > 2)
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mode = static_cast<MatchType>(static_cast<int>(args[2]));
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else
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mode = MatchAll;
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if (argTexts.IsObjectType<Array>())
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texts = argTexts;
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else {
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texts = new Array();
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texts->Add(argTexts);
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}
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ObjectLock olock(texts);
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for (const String& text : texts) {
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bool res = Utility::Match(pattern, text);
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if (mode == MatchAny && res)
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return true;
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else if (mode == MatchAll && !res)
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return false;
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}
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return mode == MatchAll;
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}
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bool ScriptUtils::CidrMatch(const std::vector<Value>& args)
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{
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if (args.size() < 2)
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BOOST_THROW_EXCEPTION(std::invalid_argument("CIDR and IP address must be specified."));
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Array::Ptr ips = new Array();
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String pattern = args[0];
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Value argIps = args[1];
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MatchType mode;
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if (args.size() > 2)
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mode = static_cast<MatchType>(static_cast<int>(args[2]));
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else
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mode = MatchAll;
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if (argIps.IsObjectType<Array>())
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ips = argIps;
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else {
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ips = new Array();
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ips->Add(argIps);
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}
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ObjectLock olock(ips);
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for (const String& ip : ips) {
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bool res = Utility::CidrMatch(pattern, ip);
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if (mode == MatchAny && res)
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return true;
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else if (mode == MatchAll && !res)
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return false;
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}
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return mode == MatchAll;
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}
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double ScriptUtils::Len(const Value& value)
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{
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if (value.IsObjectType<Dictionary>()) {
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Dictionary::Ptr dict = value;
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return dict->GetLength();
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} else if (value.IsObjectType<Array>()) {
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Array::Ptr array = value;
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return array->GetLength();
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} else if (value.IsString()) {
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return Convert::ToString(value).GetLength();
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} else {
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return 0;
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}
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}
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Array::Ptr ScriptUtils::Union(const std::vector<Value>& arguments)
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{
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std::set<Value> values;
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for (const Value& varr : arguments) {
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Array::Ptr arr = varr;
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if (arr) {
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ObjectLock olock(arr);
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for (const Value& value : arr) {
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values.insert(value);
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}
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}
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}
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Array::Ptr result = new Array();
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for (const Value& value : values) {
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result->Add(value);
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}
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return result;
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}
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Array::Ptr ScriptUtils::Intersection(const std::vector<Value>& arguments)
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{
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if (arguments.size() == 0)
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return new Array();
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Array::Ptr result = new Array();
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Array::Ptr arg1 = arguments[0];
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if (!arg1)
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return result;
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Array::Ptr arr1 = arg1->ShallowClone();
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for (std::vector<Value>::size_type i = 1; i < arguments.size(); i++) {
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{
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ObjectLock olock(arr1);
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std::sort(arr1->Begin(), arr1->End());
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}
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Array::Ptr arg2 = arguments[i];
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if (!arg2)
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return result;
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Array::Ptr arr2 = arg2->ShallowClone();
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{
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ObjectLock olock(arr2);
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std::sort(arr2->Begin(), arr2->End());
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}
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result->Resize(std::max(arr1->GetLength(), arr2->GetLength()));
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Array::SizeType len;
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{
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ObjectLock olock(arr1), xlock(arr2), ylock(result);
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Array::Iterator it = std::set_intersection(arr1->Begin(), arr1->End(), arr2->Begin(), arr2->End(), result->Begin());
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len = it - result->Begin();
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}
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result->Resize(len);
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arr1 = result;
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}
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return result;
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}
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void ScriptUtils::Log(const std::vector<Value>& arguments)
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{
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if (arguments.size() != 1 && arguments.size() != 3)
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BOOST_THROW_EXCEPTION(std::invalid_argument("Invalid number of arguments for log()"));
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LogSeverity severity;
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String facility;
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Value message;
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if (arguments.size() == 1) {
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severity = LogInformation;
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facility = "config";
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message = arguments[0];
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} else {
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int sval = static_cast<int>(arguments[0]);
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severity = static_cast<LogSeverity>(sval);
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facility = arguments[1];
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message = arguments[2];
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}
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if (message.IsString() || (!message.IsObjectType<Array>() && !message.IsObjectType<Dictionary>()))
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::Log(severity, facility, message);
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else
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::Log(severity, facility, JsonEncode(message));
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}
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Array::Ptr ScriptUtils::Range(const std::vector<Value>& arguments)
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{
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double start, end, increment;
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switch (arguments.size()) {
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case 1:
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start = 0;
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end = arguments[0];
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increment = 1;
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break;
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case 2:
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start = arguments[0];
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end = arguments[1];
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increment = 1;
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break;
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case 3:
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start = arguments[0];
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end = arguments[1];
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increment = arguments[2];
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break;
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default:
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BOOST_THROW_EXCEPTION(std::invalid_argument("Invalid number of arguments for range()"));
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}
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Array::Ptr result = new Array();
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if ((start < end && increment <= 0) ||
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(start > end && increment >= 0))
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return result;
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for (double i = start; (increment > 0 ? i < end : i > end); i += increment)
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result->Add(i);
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return result;
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}
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Type::Ptr ScriptUtils::TypeOf(const Value& value)
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{
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return value.GetReflectionType();
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}
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Array::Ptr ScriptUtils::Keys(const Dictionary::Ptr& dict)
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{
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Array::Ptr result = new Array();
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if (dict) {
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ObjectLock olock(dict);
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for (const Dictionary::Pair& kv : dict) {
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result->Add(kv.first);
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}
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}
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return result;
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}
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ConfigObject::Ptr ScriptUtils::GetObject(const Value& vtype, const String& name)
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{
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Type::Ptr ptype;
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if (vtype.IsObjectType<Type>())
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ptype = vtype;
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else
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ptype = Type::GetByName(vtype);
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ConfigType *ctype = dynamic_cast<ConfigType *>(ptype.get());
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if (!ctype)
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return ConfigObject::Ptr();
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return ctype->GetObject(name);
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}
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Array::Ptr ScriptUtils::GetObjects(const Type::Ptr& type)
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{
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if (!type)
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BOOST_THROW_EXCEPTION(std::invalid_argument("Invalid type: Must not be null"));
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ConfigType *ctype = dynamic_cast<ConfigType *>(type.get());
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if (!ctype)
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BOOST_THROW_EXCEPTION(std::invalid_argument("Invalid type: Type must inherit from 'ConfigObject'"));
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Array::Ptr result = new Array();
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for (const ConfigObject::Ptr& object : ctype->GetObjects())
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result->Add(object);
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return result;
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}
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void ScriptUtils::Assert(const Value& arg)
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{
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if (!arg.ToBool())
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BOOST_THROW_EXCEPTION(std::runtime_error("Assertion failed"));
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}
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String ScriptUtils::MsiGetComponentPathShim(const String& component)
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{
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#ifdef _WIN32
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TCHAR productCode[39];
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if (MsiGetProductCode(component.CStr(), productCode) != ERROR_SUCCESS)
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return "";
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TCHAR path[2048];
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DWORD szPath = sizeof(path);
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path[0] = '\0';
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MsiGetComponentPath(productCode, component.CStr(), path, &szPath);
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return path;
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#else /* _WIN32 */
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return String();
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#endif /* _WIN32 */
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}
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Array::Ptr ScriptUtils::TrackParents(const Object::Ptr& child)
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{
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return Array::FromVector(DependencyGraph::GetParents(child));
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}
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double ScriptUtils::Ptr(const Object::Ptr& object)
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{
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return reinterpret_cast<intptr_t>(object.get());
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}
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