mirror of
https://github.com/reactos/reactos.git
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104 lines
3.7 KiB
C
104 lines
3.7 KiB
C
/*
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* PROJECT: ReactOS Shim helper library
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* LICENSE: GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
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* PURPOSE: ReactOS Shim Engine common functions / structures
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* COPYRIGHT: Copyright 2016-2019 Mark Jansen (mark.jansen@reactos.org)
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*/
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#pragma once
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct tagHOOKAPI
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{
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PCSTR LibraryName;
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PCSTR FunctionName;
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PVOID ReplacementFunction;
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PVOID OriginalFunction;
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PVOID Reserved[2];
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} HOOKAPI, *PHOOKAPI;
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PVOID ShimLib_ShimMalloc(SIZE_T dwSize);
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VOID ShimLib_ShimFree(PVOID pData);
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PCSTR ShimLib_StringDuplicateA(PCSTR szString);
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PCSTR ShimLib_StringNDuplicateA(PCSTR szString, SIZE_T stringLength);
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BOOL ShimLib_StrAEqualsWNC(PCSTR szString, PCWSTR wszString);
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HINSTANCE ShimLib_Instance(VOID);
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/* Forward events to generic handlers */
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VOID ShimLib_Init(HINSTANCE hInstance);
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VOID ShimLib_Deinit(VOID);
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PHOOKAPI WINAPI ShimLib_GetHookAPIs(LPCSTR szCommandLine,LPCWSTR wszShimName,PDWORD pdwHookCount);
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BOOL WINAPI ShimLib_NotifyShims(DWORD fdwReason, PVOID ptr);
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/* Shims should respond to SHIM_REASON_XXXX in the Notify routines.
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SHIM_NOTIFY_ codes are sent by apphelp, and translated to SHIM_REASON_ by the shimlib routines.
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The only exception being SHIM_NOTIFY_ATTACH, that is also set for one-time init.
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*/
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#define SHIM_REASON_INIT 100
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#define SHIM_REASON_DEINIT 101
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#define SHIM_REASON_DLL_LOAD 102 /* Arg: PLDR_DATA_TABLE_ENTRY */
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#define SHIM_REASON_DLL_UNLOAD 103 /* Arg: PLDR_DATA_TABLE_ENTRY */
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#define SHIM_NOTIFY_ATTACH 1
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#define SHIM_NOTIFY_DETACH 2
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#define SHIM_NOTIFY_DLL_LOAD 3 /* Arg: PLDR_DATA_TABLE_ENTRY */
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#define SHIM_NOTIFY_DLL_UNLOAD 4 /* Arg: PLDR_DATA_TABLE_ENTRY */
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typedef enum _SEI_LOG_LEVEL {
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SEI_MSG = 1,
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SEI_FAIL = 2,
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SEI_WARN = 3,
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SEI_INFO = 4,
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} SEI_LOG_LEVEL;
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BOOL WINAPIV SeiDbgPrint(SEI_LOG_LEVEL Level, PCSTR Function, PCSTR Format, ...);
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extern ULONG g_ShimEngDebugLevel;
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#if defined(IN_APPHELP)
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/* Apphelp shimeng logging uses the function name */
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#define SHIMENG_MSG(fmt, ...) do { if (g_ShimEngDebugLevel) SeiDbgPrint(SEI_MSG, __FUNCTION__, fmt, ##__VA_ARGS__ ); } while (0)
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#define SHIMENG_FAIL(fmt, ...) do { if (g_ShimEngDebugLevel) SeiDbgPrint(SEI_FAIL, __FUNCTION__, fmt, ##__VA_ARGS__ ); } while (0)
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#define SHIMENG_WARN(fmt, ...) do { if (g_ShimEngDebugLevel) SeiDbgPrint(SEI_WARN, __FUNCTION__, fmt, ##__VA_ARGS__ ); } while (0)
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#define SHIMENG_INFO(fmt, ...) do { if (g_ShimEngDebugLevel) SeiDbgPrint(SEI_INFO, __FUNCTION__, fmt, ##__VA_ARGS__ ); } while (0)
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#else
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/* Shims use the shim name */
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#define SHIM_MSG(fmt, ...) do { if (g_ShimEngDebugLevel) SeiDbgPrint(SEI_MSG, SHIM_OBJ_NAME(g_szModuleName), fmt, ##__VA_ARGS__ ); } while (0)
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#define SHIM_FAIL(fmt, ...) do { if (g_ShimEngDebugLevel) SeiDbgPrint(SEI_FAIL, SHIM_OBJ_NAME(g_szModuleName), fmt, ##__VA_ARGS__ ); } while (0)
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#define SHIM_WARN(fmt, ...) do { if (g_ShimEngDebugLevel) SeiDbgPrint(SEI_WARN, SHIM_OBJ_NAME(g_szModuleName), fmt, ##__VA_ARGS__ ); } while (0)
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#define SHIM_INFO(fmt, ...) do { if (g_ShimEngDebugLevel) SeiDbgPrint(SEI_INFO, SHIM_OBJ_NAME(g_szModuleName), fmt, ##__VA_ARGS__ ); } while (0)
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#endif
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typedef PHOOKAPI (WINAPI* _PVGetHookAPIs)(DWORD, PCSTR, PDWORD);
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typedef BOOL (WINAPI* _PVNotify)(DWORD, PVOID);
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typedef struct tagSHIMREG
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{
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_PVGetHookAPIs GetHookAPIs;
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_PVNotify Notify;
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PCSTR ShimName;
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} SHIMREG, *PSHIMREG;
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#if defined(_MSC_VER)
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#define _SHMALLOC(x) __declspec(allocate(x))
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#elif defined(__GNUC__)
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#define _SHMALLOC(x) __attribute__ ((section (x) ))
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#else
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#error Your compiler is not supported.
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#endif
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#ifdef __cplusplus
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} // extern "C"
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#endif
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