79 lines
2.1 KiB
C++
79 lines
2.1 KiB
C++
/*
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* Copyright 2004-2020 Sandboxie Holdings, LLC
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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 <https://www.gnu.org/licenses/>.
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*/
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// dllmain.cpp : Defines the entry point for the DLL application.
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#include "stdafx.h"
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#include "SboxHostDll.h"
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using namespace std;
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HANDLE g_hInjectedGlobalNameObj = NULL;
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BOOLEAN InitHook( HINSTANCE hSbieDll );
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extern "C" __declspec(dllexport) void InjectDllMain(HINSTANCE hSbieDll, ULONG_PTR UnusedParameter)
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{
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InitHook(hSbieDll);
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}
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BOOL APIENTRY DllMain( HMODULE hModule,
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DWORD ul_reason_for_call,
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LPVOID lpReserved
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)
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{
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BOOL bRet = TRUE;
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switch (ul_reason_for_call)
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{
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case DLL_PROCESS_ATTACH:
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WCHAR wszDLLPath[MAX_PATH + 1];
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if (GetModuleFileName(GetModuleHandle(NULL), wszDLLPath, MAX_PATH))
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{
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if (wcsstr(wszDLLPath, L"OfficeClickToRun.exe"))
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{
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// You can use this global name object to check if the dll loaded.
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g_hInjectedGlobalNameObj = CreateMutex(NULL, FALSE, SBOX_HOST_DLL_LOADED);
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bRet = TRUE;
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}
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else
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{
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// injected to wrong process.
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bRet = FALSE;
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}
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}
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break;
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case DLL_THREAD_ATTACH:
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break;
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case DLL_THREAD_DETACH:
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break;
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case DLL_PROCESS_DETACH:
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if (g_hInjectedGlobalNameObj)
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{
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CloseHandle(g_hInjectedGlobalNameObj);
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}
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break;
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}
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return bRet;
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}
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