mirror of
https://github.com/QL-Win/QuickLook.git
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76 lines
2.1 KiB
C++
76 lines
2.1 KiB
C++
// Copyright © 2017 Paddy Xu
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//
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// This file is part of QuickLook program.
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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 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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#include "stdafx.h"
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#include "WoW64HookHelper.h"
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#define HELPER_FILE L"\\QuickLook.WoW64HookHelper.exe"
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#define RUN_ARG L"033A853A-E4B2-4552-9A91-E88789761C48"
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HANDLE hHelper = nullptr;
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HANDLE hJob = nullptr;
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bool WoW64HookHelper::CheckStatus()
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{
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DWORD running = -1;
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GetExitCodeProcess(hHelper, &running);
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return running == STILL_ACTIVE;
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}
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bool WoW64HookHelper::Launch()
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{
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#ifndef WIN64
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return true;
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#endif
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if (CheckStatus())
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return true;
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createJob();
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WCHAR fullPath[MAX_PATH] = {'\0'};
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GetModuleFileName(nullptr, fullPath, MAX_PATH - 1);
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auto p = wcsrchr(fullPath, L'\\');
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memcpy(p, HELPER_FILE, wcslen(HELPER_FILE) * sizeof WCHAR);
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STARTUPINFO si = {'\0'};
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PROCESS_INFORMATION pi = {nullptr};
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si.cb = sizeof si;
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CreateProcess(fullPath, RUN_ARG, nullptr, nullptr, false, 0, nullptr, nullptr, &si, &pi);
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hHelper = pi.hProcess;
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AssignProcessToJobObject(hJob, hHelper);
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return CheckStatus();
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}
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void WoW64HookHelper::createJob()
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{
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if (hJob != nullptr)
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return;
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hJob = CreateJobObject(nullptr, nullptr);
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JOBOBJECT_BASIC_LIMIT_INFORMATION BasicLimitInformation = {'\0'};
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BasicLimitInformation.LimitFlags = JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE;
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JOBOBJECT_EXTENDED_LIMIT_INFORMATION lpJobObjectInfo = {'\0'};
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lpJobObjectInfo.BasicLimitInformation = BasicLimitInformation;
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SetInformationJobObject(hJob, JobObjectExtendedLimitInformation, &lpJobObjectInfo, sizeof JOBOBJECT_EXTENDED_LIMIT_INFORMATION);
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}
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