186 lines
7.4 KiB
C
186 lines
7.4 KiB
C
/*
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* MinHook - The Minimalistic API Hooking Library for x64/x86
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* Copyright (C) 2009-2017 Tsuda Kageyu.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER
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* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#if !(defined _M_IX86) && !(defined _M_X64) && !(defined __i386__) && !(defined __x86_64__)
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#error MinHook supports only x86 and x64 systems.
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#endif
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#include <windows.h>
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// MinHook Error Codes.
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typedef enum MH_STATUS
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{
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// Unknown error. Should not be returned.
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MH_UNKNOWN = -1,
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// Successful.
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MH_OK = 0,
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// MinHook is already initialized.
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MH_ERROR_ALREADY_INITIALIZED,
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// MinHook is not initialized yet, or already uninitialized.
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MH_ERROR_NOT_INITIALIZED,
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// The hook for the specified target function is already created.
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MH_ERROR_ALREADY_CREATED,
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// The hook for the specified target function is not created yet.
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MH_ERROR_NOT_CREATED,
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// The hook for the specified target function is already enabled.
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MH_ERROR_ENABLED,
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// The hook for the specified target function is not enabled yet, or already
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// disabled.
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MH_ERROR_DISABLED,
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// The specified pointer is invalid. It points the address of non-allocated
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// and/or non-executable region.
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MH_ERROR_NOT_EXECUTABLE,
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// The specified target function cannot be hooked.
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MH_ERROR_UNSUPPORTED_FUNCTION,
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// Failed to allocate memory.
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MH_ERROR_MEMORY_ALLOC,
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// Failed to change the memory protection.
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MH_ERROR_MEMORY_PROTECT,
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// The specified module is not loaded.
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MH_ERROR_MODULE_NOT_FOUND,
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// The specified function is not found.
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MH_ERROR_FUNCTION_NOT_FOUND
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}
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MH_STATUS;
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// Can be passed as a parameter to MH_EnableHook, MH_DisableHook,
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// MH_QueueEnableHook or MH_QueueDisableHook.
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#define MH_ALL_HOOKS NULL
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#ifdef __cplusplus
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extern "C" {
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#endif
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// Initialize the MinHook library. You must call this function EXACTLY ONCE
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// at the beginning of your program.
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MH_STATUS WINAPI MH_Initialize(VOID);
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// Uninitialize the MinHook library. You must call this function EXACTLY
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// ONCE at the end of your program.
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MH_STATUS WINAPI MH_Uninitialize(VOID);
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// Creates a hook for the specified target function, in disabled state.
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// Parameters:
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// pTarget [in] A pointer to the target function, which will be
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// overridden by the detour function.
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// pDetour [in] A pointer to the detour function, which will override
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// the target function.
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// ppOriginal [out] A pointer to the trampoline function, which will be
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// used to call the original target function.
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// This parameter can be NULL.
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MH_STATUS WINAPI MH_CreateHook(LPVOID pTarget, LPVOID pDetour, LPVOID *ppOriginal);
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// Creates a hook for the specified API function, in disabled state.
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// Parameters:
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// pszModule [in] A pointer to the loaded module name which contains the
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// target function.
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// pszProcName [in] A pointer to the target function name, which will be
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// overridden by the detour function.
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// pDetour [in] A pointer to the detour function, which will override
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// the target function.
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// ppOriginal [out] A pointer to the trampoline function, which will be
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// used to call the original target function.
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// This parameter can be NULL.
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MH_STATUS WINAPI MH_CreateHookApi(
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LPCWSTR pszModule, LPCSTR pszProcName, LPVOID pDetour, LPVOID *ppOriginal);
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// Creates a hook for the specified API function, in disabled state.
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// Parameters:
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// pszModule [in] A pointer to the loaded module name which contains the
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// target function.
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// pszProcName [in] A pointer to the target function name, which will be
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// overridden by the detour function.
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// pDetour [in] A pointer to the detour function, which will override
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// the target function.
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// ppOriginal [out] A pointer to the trampoline function, which will be
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// used to call the original target function.
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// This parameter can be NULL.
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// ppTarget [out] A pointer to the target function, which will be used
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// with other functions.
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// This parameter can be NULL.
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MH_STATUS WINAPI MH_CreateHookApiEx(
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LPCWSTR pszModule, LPCSTR pszProcName, LPVOID pDetour, LPVOID *ppOriginal, LPVOID *ppTarget);
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// Removes an already created hook.
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// Parameters:
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// pTarget [in] A pointer to the target function.
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MH_STATUS WINAPI MH_RemoveHook(LPVOID pTarget);
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// Enables an already created hook.
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// Parameters:
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// pTarget [in] A pointer to the target function.
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// If this parameter is MH_ALL_HOOKS, all created hooks are
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// enabled in one go.
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MH_STATUS WINAPI MH_EnableHook(LPVOID pTarget);
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// Disables an already created hook.
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// Parameters:
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// pTarget [in] A pointer to the target function.
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// If this parameter is MH_ALL_HOOKS, all created hooks are
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// disabled in one go.
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MH_STATUS WINAPI MH_DisableHook(LPVOID pTarget);
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// Queues to enable an already created hook.
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// Parameters:
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// pTarget [in] A pointer to the target function.
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// If this parameter is MH_ALL_HOOKS, all created hooks are
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// queued to be enabled.
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MH_STATUS WINAPI MH_QueueEnableHook(LPVOID pTarget);
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// Queues to disable an already created hook.
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// Parameters:
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// pTarget [in] A pointer to the target function.
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// If this parameter is MH_ALL_HOOKS, all created hooks are
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// queued to be disabled.
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MH_STATUS WINAPI MH_QueueDisableHook(LPVOID pTarget);
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// Applies all queued changes in one go.
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MH_STATUS WINAPI MH_ApplyQueued(VOID);
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// Translates the MH_STATUS to its name as a string.
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const char * WINAPI MH_StatusToString(MH_STATUS status);
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#ifdef __cplusplus
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}
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#endif
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