jthedering
f014bf4b7d
Fixed: When the Include command was used to load the configuration file itself or another file including the file, Equalizer APO could crash. The recursion depth is now limited to 100.
91 lines
2.5 KiB
C++
91 lines
2.5 KiB
C++
/*
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This file is part of EqualizerAPO, a system-wide equalizer.
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Copyright (C) 2014 Jonas Thedering
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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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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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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "stdafx.h"
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#include <Shlwapi.h>
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#include "helpers/LogHelper.h"
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#include "helpers/StringHelper.h"
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#include "FilterEngine.h"
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#include "IncludeFilterFactory.h"
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using namespace std;
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const int RECURSION_LIMIT = 100;
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void IncludeFilterFactory::initialize(FilterEngine* engine)
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{
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this->engine = engine;
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}
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vector<IFilter*> IncludeFilterFactory::startOfConfiguration()
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{
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recursionDepth = -1;
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return vector<IFilter*>();
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}
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vector<IFilter*> IncludeFilterFactory::startOfFile(const wstring& configPath)
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{
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recursionDepth++;
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return vector<IFilter*>();
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}
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vector<IFilter*> IncludeFilterFactory::createFilter(const wstring& configPath, wstring& command, wstring& parameters)
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{
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if (command == L"Include")
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{
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wstring value = parameters;
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while (value.length() > 0 && iswspace(value[0]))
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value = value.substr(1);
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wstring includePath;
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if (PathIsRelativeW(value.c_str()))
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{
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wchar_t filePath[MAX_PATH];
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configPath._Copy_s(filePath, sizeof(filePath) / sizeof(wchar_t), MAX_PATH);
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if (configPath.size() < MAX_PATH)
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filePath[configPath.size()] = L'\0';
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else
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filePath[MAX_PATH - 1] = L'\0';
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PathRemoveFileSpecW(filePath);
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PathAppendW(filePath, value.c_str());
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includePath = filePath;
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}
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else
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includePath = value;
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if (recursionDepth >= RECURSION_LIMIT)
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LogF(L"Skipping include of %s as recursion limit of %d has been reached", value.c_str(), RECURSION_LIMIT);
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else
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engine->loadConfigFile(includePath);
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command = L"";
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}
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return vector<IFilter*>();
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}
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std::vector<IFilter*> IncludeFilterFactory::endOfFile(const wstring& configPath)
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{
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recursionDepth--;
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return vector<IFilter*>();
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}
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