diff options
Diffstat (limited to 'third_party/minhook')
| -rw-r--r-- | third_party/minhook/AUTHORS.txt | 8 | ||||
| -rw-r--r-- | third_party/minhook/LICENSE.txt | 81 | ||||
| -rw-r--r-- | third_party/minhook/include/MinHook.h | 185 | ||||
| -rw-r--r-- | third_party/minhook/src/buffer.c | 312 | ||||
| -rw-r--r-- | third_party/minhook/src/buffer.h | 42 | ||||
| -rw-r--r-- | third_party/minhook/src/hde/hde64.c | 335 | ||||
| -rw-r--r-- | third_party/minhook/src/hde/hde64.h | 112 | ||||
| -rw-r--r-- | third_party/minhook/src/hde/pstdint.h | 39 | ||||
| -rw-r--r-- | third_party/minhook/src/hde/table64.h | 74 | ||||
| -rw-r--r-- | third_party/minhook/src/hook.c | 939 | ||||
| -rw-r--r-- | third_party/minhook/src/trampoline.c | 320 | ||||
| -rw-r--r-- | third_party/minhook/src/trampoline.h | 105 |
12 files changed, 0 insertions, 2552 deletions
diff --git a/third_party/minhook/AUTHORS.txt b/third_party/minhook/AUTHORS.txt deleted file mode 100644 index ebef1a6..0000000 --- a/third_party/minhook/AUTHORS.txt +++ /dev/null @@ -1,8 +0,0 @@ -Tsuda Kageyu <tsuda.kageyu@gmail.com> - Creator, maintainer - -Michael Maltsev <leahcimmar@gmail.com> - Added "Queue" functions. A lot of bug fixes. - -Andrey Unis <uniskz@gmail.com> - Rewrote the hook engine in plain C. diff --git a/third_party/minhook/LICENSE.txt b/third_party/minhook/LICENSE.txt deleted file mode 100644 index 74dea27..0000000 --- a/third_party/minhook/LICENSE.txt +++ /dev/null @@ -1,81 +0,0 @@ -MinHook - The Minimalistic API Hooking Library for x64/x86 -Copyright (C) 2009-2017 Tsuda Kageyu. -All rights reserved. - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: - - 1. Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - 2. Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED -TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A -PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER -OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, -EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR -PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF -LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING -NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -================================================================================ -Portions of this software are Copyright (c) 2008-2009, Vyacheslav Patkov. -================================================================================ -Hacker Disassembler Engine 32 C -Copyright (c) 2008-2009, Vyacheslav Patkov. -All rights reserved. - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: - - 1. Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - 2. Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED -TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A -PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR -CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, -EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR -PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF -LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING -NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -------------------------------------------------------------------------------- -Hacker Disassembler Engine 64 C -Copyright (c) 2008-2009, Vyacheslav Patkov. -All rights reserved. - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: - - 1. Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - 2. Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED -TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A -PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR -CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, -EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR -PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF -LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING -NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/third_party/minhook/include/MinHook.h b/third_party/minhook/include/MinHook.h deleted file mode 100644 index ae39350..0000000 --- a/third_party/minhook/include/MinHook.h +++ /dev/null @@ -1,185 +0,0 @@ -/* - * MinHook - The Minimalistic API Hooking Library for x64/x86 - * Copyright (C) 2009-2017 Tsuda Kageyu. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED - * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A - * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER - * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#pragma once - -#if !(defined _M_IX86) && !(defined _M_X64) && !(defined __i386__) && !(defined __x86_64__) - #error MinHook supports only x86 and x64 systems. -#endif - -#include <windows.h> - -// MinHook Error Codes. -typedef enum MH_STATUS -{ - // Unknown error. Should not be returned. - MH_UNKNOWN = -1, - - // Successful. - MH_OK = 0, - - // MinHook is already initialized. - MH_ERROR_ALREADY_INITIALIZED, - - // MinHook is not initialized yet, or already uninitialized. - MH_ERROR_NOT_INITIALIZED, - - // The hook for the specified target function is already created. - MH_ERROR_ALREADY_CREATED, - - // The hook for the specified target function is not created yet. - MH_ERROR_NOT_CREATED, - - // The hook for the specified target function is already enabled. - MH_ERROR_ENABLED, - - // The hook for the specified target function is not enabled yet, or already - // disabled. - MH_ERROR_DISABLED, - - // The specified pointer is invalid. It points the address of non-allocated - // and/or non-executable region. - MH_ERROR_NOT_EXECUTABLE, - - // The specified target function cannot be hooked. - MH_ERROR_UNSUPPORTED_FUNCTION, - - // Failed to allocate memory. - MH_ERROR_MEMORY_ALLOC, - - // Failed to change the memory protection. - MH_ERROR_MEMORY_PROTECT, - - // The specified module is not loaded. - MH_ERROR_MODULE_NOT_FOUND, - - // The specified function is not found. - MH_ERROR_FUNCTION_NOT_FOUND -} -MH_STATUS; - -// Can be passed as a parameter to MH_EnableHook, MH_DisableHook, -// MH_QueueEnableHook or MH_QueueDisableHook. -#define MH_ALL_HOOKS NULL - -#ifdef __cplusplus -extern "C" { -#endif - - // Initialize the MinHook library. You must call this function EXACTLY ONCE - // at the beginning of your program. - MH_STATUS WINAPI MH_Initialize(VOID); - - // Uninitialize the MinHook library. You must call this function EXACTLY - // ONCE at the end of your program. - MH_STATUS WINAPI MH_Uninitialize(VOID); - - // Creates a hook for the specified target function, in disabled state. - // Parameters: - // pTarget [in] A pointer to the target function, which will be - // overridden by the detour function. - // pDetour [in] A pointer to the detour function, which will override - // the target function. - // ppOriginal [out] A pointer to the trampoline function, which will be - // used to call the original target function. - // This parameter can be NULL. - MH_STATUS WINAPI MH_CreateHook(LPVOID pTarget, LPVOID pDetour, LPVOID *ppOriginal); - - // Creates a hook for the specified API function, in disabled state. - // Parameters: - // pszModule [in] A pointer to the loaded module name which contains the - // target function. - // pszProcName [in] A pointer to the target function name, which will be - // overridden by the detour function. - // pDetour [in] A pointer to the detour function, which will override - // the target function. - // ppOriginal [out] A pointer to the trampoline function, which will be - // used to call the original target function. - // This parameter can be NULL. - MH_STATUS WINAPI MH_CreateHookApi( - LPCWSTR pszModule, LPCSTR pszProcName, LPVOID pDetour, LPVOID *ppOriginal); - - // Creates a hook for the specified API function, in disabled state. - // Parameters: - // pszModule [in] A pointer to the loaded module name which contains the - // target function. - // pszProcName [in] A pointer to the target function name, which will be - // overridden by the detour function. - // pDetour [in] A pointer to the detour function, which will override - // the target function. - // ppOriginal [out] A pointer to the trampoline function, which will be - // used to call the original target function. - // This parameter can be NULL. - // ppTarget [out] A pointer to the target function, which will be used - // with other functions. - // This parameter can be NULL. - MH_STATUS WINAPI MH_CreateHookApiEx( - LPCWSTR pszModule, LPCSTR pszProcName, LPVOID pDetour, LPVOID *ppOriginal, LPVOID *ppTarget); - - // Removes an already created hook. - // Parameters: - // pTarget [in] A pointer to the target function. - MH_STATUS WINAPI MH_RemoveHook(LPVOID pTarget); - - // Enables an already created hook. - // Parameters: - // pTarget [in] A pointer to the target function. - // If this parameter is MH_ALL_HOOKS, all created hooks are - // enabled in one go. - MH_STATUS WINAPI MH_EnableHook(LPVOID pTarget); - - // Disables an already created hook. - // Parameters: - // pTarget [in] A pointer to the target function. - // If this parameter is MH_ALL_HOOKS, all created hooks are - // disabled in one go. - MH_STATUS WINAPI MH_DisableHook(LPVOID pTarget); - - // Queues to enable an already created hook. - // Parameters: - // pTarget [in] A pointer to the target function. - // If this parameter is MH_ALL_HOOKS, all created hooks are - // queued to be enabled. - MH_STATUS WINAPI MH_QueueEnableHook(LPVOID pTarget); - - // Queues to disable an already created hook. - // Parameters: - // pTarget [in] A pointer to the target function. - // If this parameter is MH_ALL_HOOKS, all created hooks are - // queued to be disabled. - MH_STATUS WINAPI MH_QueueDisableHook(LPVOID pTarget); - - // Applies all queued changes in one go. - MH_STATUS WINAPI MH_ApplyQueued(VOID); - - // Translates the MH_STATUS to its name as a string. - const char *WINAPI MH_StatusToString(MH_STATUS status); - -#ifdef __cplusplus -} -#endif diff --git a/third_party/minhook/src/buffer.c b/third_party/minhook/src/buffer.c deleted file mode 100644 index 940df65..0000000 --- a/third_party/minhook/src/buffer.c +++ /dev/null @@ -1,312 +0,0 @@ -/* - * MinHook - The Minimalistic API Hooking Library for x64/x86 - * Copyright (C) 2009-2017 Tsuda Kageyu. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED - * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A - * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER - * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include <windows.h> -#include "buffer.h" - -// Size of each memory block. (= page size of VirtualAlloc) -#define MEMORY_BLOCK_SIZE 0x1000 - -// Max range for seeking a memory block. (= 1024MB) -#define MAX_MEMORY_RANGE 0x40000000 - -// Memory protection flags to check the executable address. -#define PAGE_EXECUTE_FLAGS \ - (PAGE_EXECUTE | PAGE_EXECUTE_READ | PAGE_EXECUTE_READWRITE | PAGE_EXECUTE_WRITECOPY) - -// Memory slot. -typedef struct _MEMORY_SLOT -{ - union - { - struct _MEMORY_SLOT *pNext; - UINT8 buffer[MEMORY_SLOT_SIZE]; - }; -} MEMORY_SLOT, *PMEMORY_SLOT; - -// Memory block info. Placed at the head of each block. -typedef struct _MEMORY_BLOCK -{ - struct _MEMORY_BLOCK *pNext; - PMEMORY_SLOT pFree; // First element of the free slot list. - UINT usedCount; -} MEMORY_BLOCK, *PMEMORY_BLOCK; - -//------------------------------------------------------------------------- -// Global Variables: -//------------------------------------------------------------------------- - -// First element of the memory block list. -static PMEMORY_BLOCK g_pMemoryBlocks; - -//------------------------------------------------------------------------- -VOID InitializeBuffer(VOID) -{ - // Nothing to do for now. -} - -//------------------------------------------------------------------------- -VOID UninitializeBuffer(VOID) -{ - PMEMORY_BLOCK pBlock = g_pMemoryBlocks; - g_pMemoryBlocks = NULL; - - while (pBlock) - { - PMEMORY_BLOCK pNext = pBlock->pNext; - VirtualFree(pBlock, 0, MEM_RELEASE); - pBlock = pNext; - } -} - -//------------------------------------------------------------------------- -#if defined(_M_X64) || defined(__x86_64__) -static LPVOID FindPrevFreeRegion(LPVOID pAddress, LPVOID pMinAddr, DWORD dwAllocationGranularity) -{ - ULONG_PTR tryAddr = (ULONG_PTR)pAddress; - - // Round down to the allocation granularity. - tryAddr -= tryAddr % dwAllocationGranularity; - - // Start from the previous allocation granularity multiply. - tryAddr -= dwAllocationGranularity; - - while (tryAddr >= (ULONG_PTR)pMinAddr) - { - MEMORY_BASIC_INFORMATION mbi; - if (VirtualQuery((LPVOID)tryAddr, &mbi, sizeof(mbi)) == 0) - break; - - if (mbi.State == MEM_FREE) - return (LPVOID)tryAddr; - - if ((ULONG_PTR)mbi.AllocationBase < dwAllocationGranularity) - break; - - tryAddr = (ULONG_PTR)mbi.AllocationBase - dwAllocationGranularity; - } - - return NULL; -} -#endif - -//------------------------------------------------------------------------- -#if defined(_M_X64) || defined(__x86_64__) -static LPVOID FindNextFreeRegion(LPVOID pAddress, LPVOID pMaxAddr, DWORD dwAllocationGranularity) -{ - ULONG_PTR tryAddr = (ULONG_PTR)pAddress; - - // Round down to the allocation granularity. - tryAddr -= tryAddr % dwAllocationGranularity; - - // Start from the next allocation granularity multiply. - tryAddr += dwAllocationGranularity; - - while (tryAddr <= (ULONG_PTR)pMaxAddr) - { - MEMORY_BASIC_INFORMATION mbi; - if (VirtualQuery((LPVOID)tryAddr, &mbi, sizeof(mbi)) == 0) - break; - - if (mbi.State == MEM_FREE) - return (LPVOID)tryAddr; - - tryAddr = (ULONG_PTR)mbi.BaseAddress + mbi.RegionSize; - - // Round up to the next allocation granularity. - tryAddr += dwAllocationGranularity - 1; - tryAddr -= tryAddr % dwAllocationGranularity; - } - - return NULL; -} -#endif - -//------------------------------------------------------------------------- -static PMEMORY_BLOCK GetMemoryBlock(LPVOID pOrigin) -{ - PMEMORY_BLOCK pBlock; -#if defined(_M_X64) || defined(__x86_64__) - ULONG_PTR minAddr; - ULONG_PTR maxAddr; - - SYSTEM_INFO si; - GetSystemInfo(&si); - minAddr = (ULONG_PTR)si.lpMinimumApplicationAddress; - maxAddr = (ULONG_PTR)si.lpMaximumApplicationAddress; - - // pOrigin ± 512MB - if ((ULONG_PTR)pOrigin > MAX_MEMORY_RANGE && minAddr < (ULONG_PTR)pOrigin - MAX_MEMORY_RANGE) - minAddr = (ULONG_PTR)pOrigin - MAX_MEMORY_RANGE; - - if (maxAddr > (ULONG_PTR)pOrigin + MAX_MEMORY_RANGE) - maxAddr = (ULONG_PTR)pOrigin + MAX_MEMORY_RANGE; - - // Make room for MEMORY_BLOCK_SIZE bytes. - maxAddr -= MEMORY_BLOCK_SIZE - 1; -#endif - - // Look the registered blocks for a reachable one. - for (pBlock = g_pMemoryBlocks; pBlock != NULL; pBlock = pBlock->pNext) - { -#if defined(_M_X64) || defined(__x86_64__) - // Ignore the blocks too far. - if ((ULONG_PTR)pBlock < minAddr || (ULONG_PTR)pBlock >= maxAddr) - continue; -#endif - // The block has at least one unused slot. - if (pBlock->pFree != NULL) - return pBlock; - } - -#if defined(_M_X64) || defined(__x86_64__) - // Alloc a new block above if not found. - { - LPVOID pAlloc = pOrigin; - while ((ULONG_PTR)pAlloc >= minAddr) - { - pAlloc = FindPrevFreeRegion(pAlloc, (LPVOID)minAddr, si.dwAllocationGranularity); - if (pAlloc == NULL) - break; - - pBlock = (PMEMORY_BLOCK)VirtualAlloc( - pAlloc, MEMORY_BLOCK_SIZE, MEM_COMMIT | MEM_RESERVE, PAGE_EXECUTE_READWRITE); - if (pBlock != NULL) - break; - } - } - - // Alloc a new block below if not found. - if (pBlock == NULL) - { - LPVOID pAlloc = pOrigin; - while ((ULONG_PTR)pAlloc <= maxAddr) - { - pAlloc = FindNextFreeRegion(pAlloc, (LPVOID)maxAddr, si.dwAllocationGranularity); - if (pAlloc == NULL) - break; - - pBlock = (PMEMORY_BLOCK)VirtualAlloc( - pAlloc, MEMORY_BLOCK_SIZE, MEM_COMMIT | MEM_RESERVE, PAGE_EXECUTE_READWRITE); - if (pBlock != NULL) - break; - } - } -#else - // In x86 mode, a memory block can be placed anywhere. - pBlock = (PMEMORY_BLOCK)VirtualAlloc( - NULL, MEMORY_BLOCK_SIZE, MEM_COMMIT | MEM_RESERVE, PAGE_EXECUTE_READWRITE); -#endif - - if (pBlock != NULL) - { - // Build a linked list of all the slots. - PMEMORY_SLOT pSlot = (PMEMORY_SLOT)pBlock + 1; - pBlock->pFree = NULL; - pBlock->usedCount = 0; - do - { - pSlot->pNext = pBlock->pFree; - pBlock->pFree = pSlot; - pSlot++; - } while ((ULONG_PTR)pSlot - (ULONG_PTR)pBlock <= MEMORY_BLOCK_SIZE - MEMORY_SLOT_SIZE); - - pBlock->pNext = g_pMemoryBlocks; - g_pMemoryBlocks = pBlock; - } - - return pBlock; -} - -//------------------------------------------------------------------------- -LPVOID AllocateBuffer(LPVOID pOrigin) -{ - PMEMORY_SLOT pSlot; - PMEMORY_BLOCK pBlock = GetMemoryBlock(pOrigin); - if (pBlock == NULL) - return NULL; - - // Remove an unused slot from the list. - pSlot = pBlock->pFree; - pBlock->pFree = pSlot->pNext; - pBlock->usedCount++; -#ifdef _DEBUG - // Fill the slot with INT3 for debugging. - memset(pSlot, 0xCC, sizeof(MEMORY_SLOT)); -#endif - return pSlot; -} - -//------------------------------------------------------------------------- -VOID FreeBuffer(LPVOID pBuffer) -{ - PMEMORY_BLOCK pBlock = g_pMemoryBlocks; - PMEMORY_BLOCK pPrev = NULL; - ULONG_PTR pTargetBlock = ((ULONG_PTR)pBuffer / MEMORY_BLOCK_SIZE) * MEMORY_BLOCK_SIZE; - - while (pBlock != NULL) - { - if ((ULONG_PTR)pBlock == pTargetBlock) - { - PMEMORY_SLOT pSlot = (PMEMORY_SLOT)pBuffer; -#ifdef _DEBUG - // Clear the released slot for debugging. - memset(pSlot, 0x00, sizeof(MEMORY_SLOT)); -#endif - // Restore the released slot to the list. - pSlot->pNext = pBlock->pFree; - pBlock->pFree = pSlot; - pBlock->usedCount--; - - // Free if unused. - if (pBlock->usedCount == 0) - { - if (pPrev) - pPrev->pNext = pBlock->pNext; - else - g_pMemoryBlocks = pBlock->pNext; - - VirtualFree(pBlock, 0, MEM_RELEASE); - } - - break; - } - - pPrev = pBlock; - pBlock = pBlock->pNext; - } -} - -//------------------------------------------------------------------------- -BOOL IsExecutableAddress(LPVOID pAddress) -{ - MEMORY_BASIC_INFORMATION mi; - VirtualQuery(pAddress, &mi, sizeof(mi)); - - return (mi.State == MEM_COMMIT && (mi.Protect & PAGE_EXECUTE_FLAGS)); -} diff --git a/third_party/minhook/src/buffer.h b/third_party/minhook/src/buffer.h deleted file mode 100644 index 204d551..0000000 --- a/third_party/minhook/src/buffer.h +++ /dev/null @@ -1,42 +0,0 @@ -/* - * MinHook - The Minimalistic API Hooking Library for x64/x86 - * Copyright (C) 2009-2017 Tsuda Kageyu. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED - * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A - * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER - * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#pragma once - -// Size of each memory slot. -#if defined(_M_X64) || defined(__x86_64__) - #define MEMORY_SLOT_SIZE 64 -#else - #define MEMORY_SLOT_SIZE 32 -#endif - -VOID InitializeBuffer(VOID); -VOID UninitializeBuffer(VOID); -LPVOID AllocateBuffer(LPVOID pOrigin); -VOID FreeBuffer(LPVOID pBuffer); -BOOL IsExecutableAddress(LPVOID pAddress); diff --git a/third_party/minhook/src/hde/hde64.c b/third_party/minhook/src/hde/hde64.c deleted file mode 100644 index ce773b1..0000000 --- a/third_party/minhook/src/hde/hde64.c +++ /dev/null @@ -1,335 +0,0 @@ -/* - * Hacker Disassembler Engine 64 C - * Copyright (c) 2008-2009, Vyacheslav Patkov. - * All rights reserved. - * - */ - -#if defined(_M_X64) || defined(__x86_64__) - -#include <string.h> -#include "hde64.h" -#include "table64.h" - -unsigned int hde64_disasm(const void *code, hde64s *hs) -{ - uint8_t x, c, *p = (uint8_t *)code, cflags, opcode, pref = 0; - uint8_t *ht = hde64_table, m_mod, m_reg, m_rm, disp_size = 0; - uint8_t op64 = 0; - - memset(hs, 0, sizeof(hde64s)); - - for (x = 16; x; x--) - switch (c = *p++) { - case 0xf3: - hs->p_rep = c; - pref |= PRE_F3; - break; - case 0xf2: - hs->p_rep = c; - pref |= PRE_F2; - break; - case 0xf0: - hs->p_lock = c; - pref |= PRE_LOCK; - break; - case 0x26: case 0x2e: case 0x36: - case 0x3e: case 0x64: case 0x65: - hs->p_seg = c; - pref |= PRE_SEG; - break; - case 0x66: - hs->p_66 = c; - pref |= PRE_66; - break; - case 0x67: - hs->p_67 = c; - pref |= PRE_67; - break; - default: - goto pref_done; - } - pref_done: - - hs->flags = (uint32_t)pref << 23; - - if (!pref) - pref |= PRE_NONE; - - if ((c & 0xf0) == 0x40) { - hs->flags |= F_PREFIX_REX; - if ((hs->rex_w = (c & 0xf) >> 3) && (*p & 0xf8) == 0xb8) - op64++; - hs->rex_r = (c & 7) >> 2; - hs->rex_x = (c & 3) >> 1; - hs->rex_b = c & 1; - if (((c = *p++) & 0xf0) == 0x40) { - opcode = c; - goto error_opcode; - } - } - - if ((hs->opcode = c) == 0x0f) { - hs->opcode2 = c = *p++; - ht += DELTA_OPCODES; - } else if (c >= 0xa0 && c <= 0xa3) { - op64++; - if (pref & PRE_67) - pref |= PRE_66; - else - pref &= ~PRE_66; - } - - opcode = c; - cflags = ht[ht[opcode / 4] + (opcode % 4)]; - - if (cflags == C_ERROR) { - error_opcode: - hs->flags |= F_ERROR | F_ERROR_OPCODE; - cflags = 0; - if ((opcode & -3) == 0x24) - cflags++; - } - - x = 0; - if (cflags & C_GROUP) { - uint16_t t; - t = *(uint16_t *)(ht + (cflags & 0x7f)); - cflags = (uint8_t)t; - x = (uint8_t)(t >> 8); - } - - if (hs->opcode2) { - ht = hde64_table + DELTA_PREFIXES; - if (ht[ht[opcode / 4] + (opcode % 4)] & pref) - hs->flags |= F_ERROR | F_ERROR_OPCODE; - } - - if (cflags & C_MODRM) { - hs->flags |= F_MODRM; - hs->modrm = c = *p++; - hs->modrm_mod = m_mod = c >> 6; - hs->modrm_rm = m_rm = c & 7; - hs->modrm_reg = m_reg = (c & 0x3f) >> 3; - - if (x && ((x << m_reg) & 0x80)) - hs->flags |= F_ERROR | F_ERROR_OPCODE; - - if (!hs->opcode2 && opcode >= 0xd9 && opcode <= 0xdf) { - uint8_t t = opcode - 0xd9; - if (m_mod == 3) { - ht = hde64_table + DELTA_FPU_MODRM + t*8; - t = ht[m_reg] << m_rm; - } else { - ht = hde64_table + DELTA_FPU_REG; - t = ht[t] << m_reg; - } - if (t & 0x80) - hs->flags |= F_ERROR | F_ERROR_OPCODE; - } - - if (pref & PRE_LOCK) { - if (m_mod == 3) { - hs->flags |= F_ERROR | F_ERROR_LOCK; - } else { - uint8_t *table_end, op = opcode; - if (hs->opcode2) { - ht = hde64_table + DELTA_OP2_LOCK_OK; - table_end = ht + DELTA_OP_ONLY_MEM - DELTA_OP2_LOCK_OK; - } else { - ht = hde64_table + DELTA_OP_LOCK_OK; - table_end = ht + DELTA_OP2_LOCK_OK - DELTA_OP_LOCK_OK; - op &= -2; - } - for (; ht != table_end; ht++) - if (*ht++ == op) { - if (!((*ht << m_reg) & 0x80)) - goto no_lock_error; - else - break; - } - hs->flags |= F_ERROR | F_ERROR_LOCK; - no_lock_error: - ; - } - } - - if (hs->opcode2) { - switch (opcode) { - case 0x20: case 0x22: - m_mod = 3; - if (m_reg > 4 || m_reg == 1) - goto error_operand; - else - goto no_error_operand; - case 0x21: case 0x23: - m_mod = 3; - if (m_reg == 4 || m_reg == 5) - goto error_operand; - else - goto no_error_operand; - } - } else { - switch (opcode) { - case 0x8c: - if (m_reg > 5) - goto error_operand; - else - goto no_error_operand; - case 0x8e: - if (m_reg == 1 || m_reg > 5) - goto error_operand; - else - goto no_error_operand; - } - } - - if (m_mod == 3) { - uint8_t *table_end; - if (hs->opcode2) { - ht = hde64_table + DELTA_OP2_ONLY_MEM; - table_end = ht + sizeof(hde64_table) - DELTA_OP2_ONLY_MEM; - } else { - ht = hde64_table + DELTA_OP_ONLY_MEM; - table_end = ht + DELTA_OP2_ONLY_MEM - DELTA_OP_ONLY_MEM; - } - for (; ht != table_end; ht += 2) - if (*ht++ == opcode) { - if ((*ht++ & pref) && !((*ht << m_reg) & 0x80)) - goto error_operand; - else - break; - } - goto no_error_operand; - } else if (hs->opcode2) { - switch (opcode) { - case 0x50: case 0xd7: case 0xf7: - if (pref & (PRE_NONE | PRE_66)) - goto error_operand; - break; - case 0xd6: - if (pref & (PRE_F2 | PRE_F3)) - goto error_operand; - break; - case 0xc5: - goto error_operand; - } - goto no_error_operand; - } else - goto no_error_operand; - - error_operand: - hs->flags |= F_ERROR | F_ERROR_OPERAND; - no_error_operand: - - c = *p++; - if (m_reg <= 1) { - if (opcode == 0xf6) - cflags |= C_IMM8; - else if (opcode == 0xf7) - cflags |= C_IMM_P66; - } - - switch (m_mod) { - case 0: - if (pref & PRE_67) { - if (m_rm == 6) - disp_size = 2; - } else - if (m_rm == 5) - disp_size = 4; - break; - case 1: - disp_size = 1; - break; - case 2: - disp_size = 2; - if (!(pref & PRE_67)) - disp_size <<= 1; - break; - } - - if (m_mod != 3 && m_rm == 4) { - hs->flags |= F_SIB; - p++; - hs->sib = c; - hs->sib_scale = c >> 6; - hs->sib_index = (c & 0x3f) >> 3; - if ((hs->sib_base = c & 7) == 5 && !(m_mod & 1)) - disp_size = 4; - } - - p--; - switch (disp_size) { - case 1: - hs->flags |= F_DISP8; - hs->disp.disp8 = *p; - break; - case 2: - hs->flags |= F_DISP16; - hs->disp.disp16 = *(uint16_t *)p; - break; - case 4: - hs->flags |= F_DISP32; - hs->disp.disp32 = *(uint32_t *)p; - break; - } - p += disp_size; - } else if (pref & PRE_LOCK) - hs->flags |= F_ERROR | F_ERROR_LOCK; - - if (cflags & C_IMM_P66) { - if (cflags & C_REL32) { - if (pref & PRE_66) { - hs->flags |= F_IMM16 | F_RELATIVE; - hs->imm.imm16 = *(uint16_t *)p; - p += 2; - goto disasm_done; - } - goto rel32_ok; - } - if (op64) { - hs->flags |= F_IMM64; - hs->imm.imm64 = *(uint64_t *)p; - p += 8; - } else if (!(pref & PRE_66)) { - hs->flags |= F_IMM32; - hs->imm.imm32 = *(uint32_t *)p; - p += 4; - } else - goto imm16_ok; - } - - - if (cflags & C_IMM16) { - imm16_ok: - hs->flags |= F_IMM16; - hs->imm.imm16 = *(uint16_t *)p; - p += 2; - } - if (cflags & C_IMM8) { - hs->flags |= F_IMM8; - hs->imm.imm8 = *p++; - } - - if (cflags & C_REL32) { - rel32_ok: - hs->flags |= F_IMM32 | F_RELATIVE; - hs->imm.imm32 = *(uint32_t *)p; - p += 4; - } else if (cflags & C_REL8) { - hs->flags |= F_IMM8 | F_RELATIVE; - hs->imm.imm8 = *p++; - } - - disasm_done: - - if ((hs->len = (uint8_t)(p-(uint8_t *)code)) > 15) { - hs->flags |= F_ERROR | F_ERROR_LENGTH; - hs->len = 15; - } - - return (unsigned int)hs->len; -} - -#endif // defined(_M_X64) || defined(__x86_64__) diff --git a/third_party/minhook/src/hde/hde64.h b/third_party/minhook/src/hde/hde64.h deleted file mode 100644 index ecbf4df..0000000 --- a/third_party/minhook/src/hde/hde64.h +++ /dev/null @@ -1,112 +0,0 @@ -/* - * Hacker Disassembler Engine 64 - * Copyright (c) 2008-2009, Vyacheslav Patkov. - * All rights reserved. - * - * hde64.h: C/C++ header file - * - */ - -#ifndef _HDE64_H_ -#define _HDE64_H_ - -/* stdint.h - C99 standard header - * http://en.wikipedia.org/wiki/stdint.h - * - * if your compiler doesn't contain "stdint.h" header (for - * example, Microsoft Visual C++), you can download file: - * http://www.azillionmonkeys.com/qed/pstdint.h - * and change next line to: - * #include "pstdint.h" - */ -#include "pstdint.h" - -#define F_MODRM 0x00000001 -#define F_SIB 0x00000002 -#define F_IMM8 0x00000004 -#define F_IMM16 0x00000008 -#define F_IMM32 0x00000010 -#define F_IMM64 0x00000020 -#define F_DISP8 0x00000040 -#define F_DISP16 0x00000080 -#define F_DISP32 0x00000100 -#define F_RELATIVE 0x00000200 -#define F_ERROR 0x00001000 -#define F_ERROR_OPCODE 0x00002000 -#define F_ERROR_LENGTH 0x00004000 -#define F_ERROR_LOCK 0x00008000 -#define F_ERROR_OPERAND 0x00010000 -#define F_PREFIX_REPNZ 0x01000000 -#define F_PREFIX_REPX 0x02000000 -#define F_PREFIX_REP 0x03000000 -#define F_PREFIX_66 0x04000000 -#define F_PREFIX_67 0x08000000 -#define F_PREFIX_LOCK 0x10000000 -#define F_PREFIX_SEG 0x20000000 -#define F_PREFIX_REX 0x40000000 -#define F_PREFIX_ANY 0x7f000000 - -#define PREFIX_SEGMENT_CS 0x2e -#define PREFIX_SEGMENT_SS 0x36 -#define PREFIX_SEGMENT_DS 0x3e -#define PREFIX_SEGMENT_ES 0x26 -#define PREFIX_SEGMENT_FS 0x64 -#define PREFIX_SEGMENT_GS 0x65 -#define PREFIX_LOCK 0xf0 -#define PREFIX_REPNZ 0xf2 -#define PREFIX_REPX 0xf3 -#define PREFIX_OPERAND_SIZE 0x66 -#define PREFIX_ADDRESS_SIZE 0x67 - -#pragma pack(push,1) - -typedef struct { - uint8_t len; - uint8_t p_rep; - uint8_t p_lock; - uint8_t p_seg; - uint8_t p_66; - uint8_t p_67; - uint8_t rex; - uint8_t rex_w; - uint8_t rex_r; - uint8_t rex_x; - uint8_t rex_b; - uint8_t opcode; - uint8_t opcode2; - uint8_t modrm; - uint8_t modrm_mod; - uint8_t modrm_reg; - uint8_t modrm_rm; - uint8_t sib; - uint8_t sib_scale; - uint8_t sib_index; - uint8_t sib_base; - union { - uint8_t imm8; - uint16_t imm16; - uint32_t imm32; - uint64_t imm64; - } imm; - union { - uint8_t disp8; - uint16_t disp16; - uint32_t disp32; - } disp; - uint32_t flags; -} hde64s; - -#pragma pack(pop) - -#ifdef __cplusplus -extern "C" { -#endif - -/* __cdecl */ -unsigned int hde64_disasm(const void *code, hde64s *hs); - -#ifdef __cplusplus -} -#endif - -#endif /* _HDE64_H_ */ diff --git a/third_party/minhook/src/hde/pstdint.h b/third_party/minhook/src/hde/pstdint.h deleted file mode 100644 index 84d82a0..0000000 --- a/third_party/minhook/src/hde/pstdint.h +++ /dev/null @@ -1,39 +0,0 @@ -/* - * MinHook - The Minimalistic API Hooking Library for x64/x86 - * Copyright (C) 2009-2017 Tsuda Kageyu. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#pragma once - -#include <windows.h> - -// Integer types for HDE. -typedef INT8 int8_t; -typedef INT16 int16_t; -typedef INT32 int32_t; -typedef INT64 int64_t; -typedef UINT8 uint8_t; -typedef UINT16 uint16_t; -typedef UINT32 uint32_t; -typedef UINT64 uint64_t; diff --git a/third_party/minhook/src/hde/table64.h b/third_party/minhook/src/hde/table64.h deleted file mode 100644 index 01d4541..0000000 --- a/third_party/minhook/src/hde/table64.h +++ /dev/null @@ -1,74 +0,0 @@ -/* - * Hacker Disassembler Engine 64 C - * Copyright (c) 2008-2009, Vyacheslav Patkov. - * All rights reserved. - * - */ - -#define C_NONE 0x00 -#define C_MODRM 0x01 -#define C_IMM8 0x02 -#define C_IMM16 0x04 -#define C_IMM_P66 0x10 -#define C_REL8 0x20 -#define C_REL32 0x40 -#define C_GROUP 0x80 -#define C_ERROR 0xff - -#define PRE_ANY 0x00 -#define PRE_NONE 0x01 -#define PRE_F2 0x02 -#define PRE_F3 0x04 -#define PRE_66 0x08 -#define PRE_67 0x10 -#define PRE_LOCK 0x20 -#define PRE_SEG 0x40 -#define PRE_ALL 0xff - -#define DELTA_OPCODES 0x4a -#define DELTA_FPU_REG 0xfd -#define DELTA_FPU_MODRM 0x104 -#define DELTA_PREFIXES 0x13c -#define DELTA_OP_LOCK_OK 0x1ae -#define DELTA_OP2_LOCK_OK 0x1c6 -#define DELTA_OP_ONLY_MEM 0x1d8 -#define DELTA_OP2_ONLY_MEM 0x1e7 - -unsigned char hde64_table[] = { - 0xa5,0xaa,0xa5,0xb8,0xa5,0xaa,0xa5,0xaa,0xa5,0xb8,0xa5,0xb8,0xa5,0xb8,0xa5, - 0xb8,0xc0,0xc0,0xc0,0xc0,0xc0,0xc0,0xc0,0xc0,0xac,0xc0,0xcc,0xc0,0xa1,0xa1, - 0xa1,0xa1,0xb1,0xa5,0xa5,0xa6,0xc0,0xc0,0xd7,0xda,0xe0,0xc0,0xe4,0xc0,0xea, - 0xea,0xe0,0xe0,0x98,0xc8,0xee,0xf1,0xa5,0xd3,0xa5,0xa5,0xa1,0xea,0x9e,0xc0, - 0xc0,0xc2,0xc0,0xe6,0x03,0x7f,0x11,0x7f,0x01,0x7f,0x01,0x3f,0x01,0x01,0xab, - 0x8b,0x90,0x64,0x5b,0x5b,0x5b,0x5b,0x5b,0x92,0x5b,0x5b,0x76,0x90,0x92,0x92, - 0x5b,0x5b,0x5b,0x5b,0x5b,0x5b,0x5b,0x5b,0x5b,0x5b,0x5b,0x5b,0x6a,0x73,0x90, - 0x5b,0x52,0x52,0x52,0x52,0x5b,0x5b,0x5b,0x5b,0x77,0x7c,0x77,0x85,0x5b,0x5b, - 0x70,0x5b,0x7a,0xaf,0x76,0x76,0x5b,0x5b,0x5b,0x5b,0x5b,0x5b,0x5b,0x5b,0x5b, - 0x5b,0x5b,0x86,0x01,0x03,0x01,0x04,0x03,0xd5,0x03,0xd5,0x03,0xcc,0x01,0xbc, - 0x03,0xf0,0x03,0x03,0x04,0x00,0x50,0x50,0x50,0x50,0xff,0x20,0x20,0x20,0x20, - 0x01,0x01,0x01,0x01,0xc4,0x02,0x10,0xff,0xff,0xff,0x01,0x00,0x03,0x11,0xff, - 0x03,0xc4,0xc6,0xc8,0x02,0x10,0x00,0xff,0xcc,0x01,0x01,0x01,0x00,0x00,0x00, - 0x00,0x01,0x01,0x03,0x01,0xff,0xff,0xc0,0xc2,0x10,0x11,0x02,0x03,0x01,0x01, - 0x01,0xff,0xff,0xff,0x00,0x00,0x00,0xff,0x00,0x00,0xff,0xff,0xff,0xff,0x10, - 0x10,0x10,0x10,0x02,0x10,0x00,0x00,0xc6,0xc8,0x02,0x02,0x02,0x02,0x06,0x00, - 0x04,0x00,0x02,0xff,0x00,0xc0,0xc2,0x01,0x01,0x03,0x03,0x03,0xca,0x40,0x00, - 0x0a,0x00,0x04,0x00,0x00,0x00,0x00,0x7f,0x00,0x33,0x01,0x00,0x00,0x00,0x00, - 0x00,0x00,0xff,0xbf,0xff,0xff,0x00,0x00,0x00,0x00,0x07,0x00,0x00,0xff,0x00, - 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff, - 0x00,0x00,0x00,0xbf,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7f,0x00,0x00, - 0xff,0x40,0x40,0x40,0x40,0x41,0x49,0x40,0x40,0x40,0x40,0x4c,0x42,0x40,0x40, - 0x40,0x40,0x40,0x40,0x40,0x40,0x4f,0x44,0x53,0x40,0x40,0x40,0x44,0x57,0x43, - 0x5c,0x40,0x60,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40, - 0x40,0x40,0x64,0x66,0x6e,0x6b,0x40,0x40,0x6a,0x46,0x40,0x40,0x44,0x46,0x40, - 0x40,0x5b,0x44,0x40,0x40,0x00,0x00,0x00,0x00,0x06,0x06,0x06,0x06,0x01,0x06, - 0x06,0x02,0x06,0x06,0x00,0x06,0x00,0x0a,0x0a,0x00,0x00,0x00,0x02,0x07,0x07, - 0x06,0x02,0x0d,0x06,0x06,0x06,0x0e,0x05,0x05,0x02,0x02,0x00,0x00,0x04,0x04, - 0x04,0x04,0x05,0x06,0x06,0x06,0x00,0x00,0x00,0x0e,0x00,0x00,0x08,0x00,0x10, - 0x00,0x18,0x00,0x20,0x00,0x28,0x00,0x30,0x00,0x80,0x01,0x82,0x01,0x86,0x00, - 0xf6,0xcf,0xfe,0x3f,0xab,0x00,0xb0,0x00,0xb1,0x00,0xb3,0x00,0xba,0xf8,0xbb, - 0x00,0xc0,0x00,0xc1,0x00,0xc7,0xbf,0x62,0xff,0x00,0x8d,0xff,0x00,0xc4,0xff, - 0x00,0xc5,0xff,0x00,0xff,0xff,0xeb,0x01,0xff,0x0e,0x12,0x08,0x00,0x13,0x09, - 0x00,0x16,0x08,0x00,0x17,0x09,0x00,0x2b,0x09,0x00,0xae,0xff,0x07,0xb2,0xff, - 0x00,0xb4,0xff,0x00,0xb5,0xff,0x00,0xc3,0x01,0x00,0xc7,0xff,0xbf,0xe7,0x08, - 0x00,0xf0,0x02,0x00 -}; diff --git a/third_party/minhook/src/hook.c b/third_party/minhook/src/hook.c deleted file mode 100644 index 06f5696..0000000 --- a/third_party/minhook/src/hook.c +++ /dev/null @@ -1,939 +0,0 @@ -/* - * MinHook - The Minimalistic API Hooking Library for x64/x86 - * Copyright (C) 2009-2017 Tsuda Kageyu. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED - * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A - * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER - * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include <windows.h> -#include <tlhelp32.h> -#include <limits.h> - -#include "../include/MinHook.h" -#include "buffer.h" -#include "trampoline.h" - -#ifndef ARRAYSIZE - #define ARRAYSIZE(A) (sizeof(A)/sizeof((A)[0])) -#endif - -// Initial capacity of the HOOK_ENTRY buffer. -#define INITIAL_HOOK_CAPACITY 32 - -// Initial capacity of the thread IDs buffer. -#define INITIAL_THREAD_CAPACITY 128 - -// Special hook position values. -#define INVALID_HOOK_POS UINT_MAX -#define ALL_HOOKS_POS UINT_MAX - -// Freeze() action argument defines. -#define ACTION_DISABLE 0 -#define ACTION_ENABLE 1 -#define ACTION_APPLY_QUEUED 2 - -// Thread access rights for suspending/resuming threads. -#define THREAD_ACCESS \ - (THREAD_SUSPEND_RESUME | THREAD_GET_CONTEXT | THREAD_QUERY_INFORMATION | THREAD_SET_CONTEXT) - -// Hook information. -typedef struct _HOOK_ENTRY -{ - LPVOID pTarget; // Address of the target function. - LPVOID pDetour; // Address of the detour or relay function. - LPVOID pTrampoline; // Address of the trampoline function. - UINT8 backup[8]; // Original prologue of the target function. - - UINT8 patchAbove : 1; // Uses the hot patch area. - UINT8 isEnabled : 1; // Enabled. - UINT8 queueEnable : 1; // Queued for enabling/disabling when != isEnabled. - - UINT nIP : 4; // Count of the instruction boundaries. - UINT8 oldIPs[8]; // Instruction boundaries of the target function. - UINT8 newIPs[8]; // Instruction boundaries of the trampoline function. -} HOOK_ENTRY, *PHOOK_ENTRY; - -// Suspended threads for Freeze()/Unfreeze(). -typedef struct _FROZEN_THREADS -{ - LPDWORD pItems; // Data heap - UINT capacity; // Size of allocated data heap, items - UINT size; // Actual number of data items -} FROZEN_THREADS, *PFROZEN_THREADS; - -//------------------------------------------------------------------------- -// Global Variables: -//------------------------------------------------------------------------- - -// Spin lock flag for EnterSpinLock()/LeaveSpinLock(). -static volatile LONG g_isLocked = FALSE; - -// Private heap handle. If not NULL, this library is initialized. -static HANDLE g_hHeap = NULL; - -// Hook entries. -static struct -{ - PHOOK_ENTRY pItems; // Data heap - UINT capacity; // Size of allocated data heap, items - UINT size; // Actual number of data items -} g_hooks; - -//------------------------------------------------------------------------- -// Returns INVALID_HOOK_POS if not found. -static UINT FindHookEntry(LPVOID pTarget) -{ - UINT i; - for (i = 0; i < g_hooks.size; ++i) - { - if ((ULONG_PTR)pTarget == (ULONG_PTR)g_hooks.pItems[i].pTarget) - return i; - } - - return INVALID_HOOK_POS; -} - -//------------------------------------------------------------------------- -static PHOOK_ENTRY AddHookEntry() -{ - if (g_hooks.pItems == NULL) - { - g_hooks.capacity = INITIAL_HOOK_CAPACITY; - g_hooks.pItems = (PHOOK_ENTRY)HeapAlloc( - g_hHeap, 0, g_hooks.capacity * sizeof(HOOK_ENTRY)); - if (g_hooks.pItems == NULL) - return NULL; - } - else if (g_hooks.size >= g_hooks.capacity) - { - PHOOK_ENTRY p = (PHOOK_ENTRY)HeapReAlloc( - g_hHeap, 0, g_hooks.pItems, (g_hooks.capacity * 2) * sizeof(HOOK_ENTRY)); - if (p == NULL) - return NULL; - - g_hooks.capacity *= 2; - g_hooks.pItems = p; - } - - return &g_hooks.pItems[g_hooks.size++]; -} - -//------------------------------------------------------------------------- -static VOID DeleteHookEntry(UINT pos) -{ - if (pos < g_hooks.size - 1) - g_hooks.pItems[pos] = g_hooks.pItems[g_hooks.size - 1]; - - g_hooks.size--; - - if (g_hooks.capacity / 2 >= INITIAL_HOOK_CAPACITY && g_hooks.capacity / 2 >= g_hooks.size) - { - PHOOK_ENTRY p = (PHOOK_ENTRY)HeapReAlloc( - g_hHeap, 0, g_hooks.pItems, (g_hooks.capacity / 2) * sizeof(HOOK_ENTRY)); - if (p == NULL) - return; - - g_hooks.capacity /= 2; - g_hooks.pItems = p; - } -} - -//------------------------------------------------------------------------- -static DWORD_PTR FindOldIP(PHOOK_ENTRY pHook, DWORD_PTR ip) -{ - UINT i; - - if (pHook->patchAbove && ip == ((DWORD_PTR)pHook->pTarget - sizeof(JMP_REL))) - return (DWORD_PTR)pHook->pTarget; - - for (i = 0; i < pHook->nIP; ++i) - { - if (ip == ((DWORD_PTR)pHook->pTrampoline + pHook->newIPs[i])) - return (DWORD_PTR)pHook->pTarget + pHook->oldIPs[i]; - } - -#if defined(_M_X64) || defined(__x86_64__) - // Check relay function. - if (ip == (DWORD_PTR)pHook->pDetour) - return (DWORD_PTR)pHook->pTarget; -#endif - - return 0; -} - -//------------------------------------------------------------------------- -static DWORD_PTR FindNewIP(PHOOK_ENTRY pHook, DWORD_PTR ip) -{ - UINT i; - for (i = 0; i < pHook->nIP; ++i) - { - if (ip == ((DWORD_PTR)pHook->pTarget + pHook->oldIPs[i])) - return (DWORD_PTR)pHook->pTrampoline + pHook->newIPs[i]; - } - - return 0; -} - -//------------------------------------------------------------------------- -static VOID ProcessThreadIPs(HANDLE hThread, UINT pos, UINT action) -{ - // If the thread suspended in the overwritten area, - // move IP to the proper address. - - CONTEXT c; -#if defined(_M_X64) || defined(__x86_64__) - DWORD64 *pIP = &c.Rip; -#else - DWORD *pIP = &c.Eip; -#endif - UINT count; - - c.ContextFlags = CONTEXT_CONTROL; - if (!GetThreadContext(hThread, &c)) - return; - - if (pos == ALL_HOOKS_POS) - { - pos = 0; - count = g_hooks.size; - } - else - { - count = pos + 1; - } - - for (; pos < count; ++pos) - { - PHOOK_ENTRY pHook = &g_hooks.pItems[pos]; - BOOL enable; - DWORD_PTR ip; - - switch (action) - { - case ACTION_DISABLE: - enable = FALSE; - break; - - case ACTION_ENABLE: - enable = TRUE; - break; - - default: // ACTION_APPLY_QUEUED - enable = pHook->queueEnable; - break; - } - if (pHook->isEnabled == enable) - continue; - - if (enable) - ip = FindNewIP(pHook, *pIP); - else - ip = FindOldIP(pHook, *pIP); - - if (ip != 0) - { - *pIP = ip; - SetThreadContext(hThread, &c); - } - } -} - -//------------------------------------------------------------------------- -static BOOL EnumerateThreads(PFROZEN_THREADS pThreads) -{ - BOOL succeeded = FALSE; - - HANDLE hSnapshot = CreateToolhelp32Snapshot(TH32CS_SNAPTHREAD, 0); - if (hSnapshot != INVALID_HANDLE_VALUE) - { - THREADENTRY32 te; - te.dwSize = sizeof(THREADENTRY32); - if (Thread32First(hSnapshot, &te)) - { - succeeded = TRUE; - do - { - if (te.dwSize >= (FIELD_OFFSET(THREADENTRY32, th32OwnerProcessID) + sizeof(DWORD)) - && te.th32OwnerProcessID == GetCurrentProcessId() - && te.th32ThreadID != GetCurrentThreadId()) - { - if (pThreads->pItems == NULL) - { - pThreads->capacity = INITIAL_THREAD_CAPACITY; - pThreads->pItems - = (LPDWORD)HeapAlloc(g_hHeap, 0, pThreads->capacity * sizeof(DWORD)); - if (pThreads->pItems == NULL) - { - succeeded = FALSE; - break; - } - } - else if (pThreads->size >= pThreads->capacity) - { - LPDWORD p; - pThreads->capacity *= 2; - p = (LPDWORD)HeapReAlloc( - g_hHeap, 0, pThreads->pItems, pThreads->capacity * sizeof(DWORD)); - if (p == NULL) - { - succeeded = FALSE; - break; - } - - pThreads->pItems = p; - } - pThreads->pItems[pThreads->size++] = te.th32ThreadID; - } - - te.dwSize = sizeof(THREADENTRY32); - } while (Thread32Next(hSnapshot, &te)); - - if (succeeded && GetLastError() != ERROR_NO_MORE_FILES) - succeeded = FALSE; - - if (!succeeded && pThreads->pItems != NULL) - { - HeapFree(g_hHeap, 0, pThreads->pItems); - pThreads->pItems = NULL; - } - } - CloseHandle(hSnapshot); - } - - return succeeded; -} - -//------------------------------------------------------------------------- -static MH_STATUS Freeze(PFROZEN_THREADS pThreads, UINT pos, UINT action) -{ - MH_STATUS status = MH_OK; - - pThreads->pItems = NULL; - pThreads->capacity = 0; - pThreads->size = 0; - if (!EnumerateThreads(pThreads)) - { - status = MH_ERROR_MEMORY_ALLOC; - } - else if (pThreads->pItems != NULL) - { - UINT i; - for (i = 0; i < pThreads->size; ++i) - { - HANDLE hThread = OpenThread(THREAD_ACCESS, FALSE, pThreads->pItems[i]); - BOOL suspended = FALSE; - if (hThread != NULL) - { - DWORD result = SuspendThread(hThread); - if (result != 0xFFFFFFFF) - { - suspended = TRUE; - ProcessThreadIPs(hThread, pos, action); - } - CloseHandle(hThread); - } - - if (!suspended) - { - // Mark thread as not suspended, so it's not resumed later on. - pThreads->pItems[i] = 0; - } - } - } - - return status; -} - -//------------------------------------------------------------------------- -static VOID Unfreeze(PFROZEN_THREADS pThreads) -{ - if (pThreads->pItems != NULL) - { - UINT i; - for (i = 0; i < pThreads->size; ++i) - { - DWORD threadId = pThreads->pItems[i]; - if (threadId != 0) - { - HANDLE hThread = OpenThread(THREAD_ACCESS, FALSE, threadId); - if (hThread != NULL) - { - ResumeThread(hThread); - CloseHandle(hThread); - } - } - } - - HeapFree(g_hHeap, 0, pThreads->pItems); - } -} - -//------------------------------------------------------------------------- -static MH_STATUS EnableHookLL(UINT pos, BOOL enable) -{ - PHOOK_ENTRY pHook = &g_hooks.pItems[pos]; - DWORD oldProtect; - SIZE_T patchSize = sizeof(JMP_REL); - LPBYTE pPatchTarget = (LPBYTE)pHook->pTarget; - - if (pHook->patchAbove) - { - pPatchTarget -= sizeof(JMP_REL); - patchSize += sizeof(JMP_REL_SHORT); - } - - if (!VirtualProtect(pPatchTarget, patchSize, PAGE_EXECUTE_READWRITE, &oldProtect)) - return MH_ERROR_MEMORY_PROTECT; - - if (enable) - { - PJMP_REL pJmp = (PJMP_REL)pPatchTarget; - pJmp->opcode = 0xE9; - pJmp->operand = (INT32)((LPBYTE)pHook->pDetour - (pPatchTarget + sizeof(JMP_REL))); - - if (pHook->patchAbove) - { - PJMP_REL_SHORT pShortJmp = (PJMP_REL_SHORT)pHook->pTarget; - pShortJmp->opcode = 0xEB; - pShortJmp->operand = (INT8)(0 - (sizeof(JMP_REL_SHORT) + sizeof(JMP_REL))); - } - } - else - { - if (pHook->patchAbove) - memcpy(pPatchTarget, pHook->backup, sizeof(JMP_REL) + sizeof(JMP_REL_SHORT)); - else - memcpy(pPatchTarget, pHook->backup, sizeof(JMP_REL)); - } - - VirtualProtect(pPatchTarget, patchSize, oldProtect, &oldProtect); - - // Just-in-case measure. - FlushInstructionCache(GetCurrentProcess(), pPatchTarget, patchSize); - - pHook->isEnabled = enable; - pHook->queueEnable = enable; - - return MH_OK; -} - -//------------------------------------------------------------------------- -static MH_STATUS EnableAllHooksLL(BOOL enable) -{ - MH_STATUS status = MH_OK; - UINT i, first = INVALID_HOOK_POS; - - for (i = 0; i < g_hooks.size; ++i) - { - if (g_hooks.pItems[i].isEnabled != enable) - { - first = i; - break; - } - } - - if (first != INVALID_HOOK_POS) - { - FROZEN_THREADS threads; - status = Freeze(&threads, ALL_HOOKS_POS, enable ? ACTION_ENABLE : ACTION_DISABLE); - if (status == MH_OK) - { - for (i = first; i < g_hooks.size; ++i) - { - if (g_hooks.pItems[i].isEnabled != enable) - { - status = EnableHookLL(i, enable); - if (status != MH_OK) - break; - } - } - - Unfreeze(&threads); - } - } - - return status; -} - -//------------------------------------------------------------------------- -static VOID EnterSpinLock(VOID) -{ - SIZE_T spinCount = 0; - - // Wait until the flag is FALSE. - while (InterlockedCompareExchange(&g_isLocked, TRUE, FALSE) != FALSE) - { - // No need to generate a memory barrier here, since InterlockedCompareExchange() - // generates a full memory barrier itself. - - // Prevent the loop from being too busy. - if (spinCount < 32) - Sleep(0); - else - Sleep(1); - - spinCount++; - } -} - -//------------------------------------------------------------------------- -static VOID LeaveSpinLock(VOID) -{ - // No need to generate a memory barrier here, since InterlockedExchange() - // generates a full memory barrier itself. - - InterlockedExchange(&g_isLocked, FALSE); -} - -//------------------------------------------------------------------------- -MH_STATUS WINAPI MH_Initialize(VOID) -{ - MH_STATUS status = MH_OK; - - EnterSpinLock(); - - if (g_hHeap == NULL) - { - g_hHeap = HeapCreate(0, 0, 0); - if (g_hHeap != NULL) - { - // Initialize the internal function buffer. - InitializeBuffer(); - } - else - { - status = MH_ERROR_MEMORY_ALLOC; - } - } - else - { - status = MH_ERROR_ALREADY_INITIALIZED; - } - - LeaveSpinLock(); - - return status; -} - -//------------------------------------------------------------------------- -MH_STATUS WINAPI MH_Uninitialize(VOID) -{ - MH_STATUS status = MH_OK; - - EnterSpinLock(); - - if (g_hHeap != NULL) - { - status = EnableAllHooksLL(FALSE); - if (status == MH_OK) - { - // Free the internal function buffer. - - // HeapFree is actually not required, but some tools detect a false - // memory leak without HeapFree. - - UninitializeBuffer(); - - HeapFree(g_hHeap, 0, g_hooks.pItems); - HeapDestroy(g_hHeap); - - g_hHeap = NULL; - - g_hooks.pItems = NULL; - g_hooks.capacity = 0; - g_hooks.size = 0; - } - } - else - { - status = MH_ERROR_NOT_INITIALIZED; - } - - LeaveSpinLock(); - - return status; -} - -//------------------------------------------------------------------------- -MH_STATUS WINAPI MH_CreateHook(LPVOID pTarget, LPVOID pDetour, LPVOID *ppOriginal) -{ - MH_STATUS status = MH_OK; - - EnterSpinLock(); - - if (g_hHeap != NULL) - { - if (IsExecutableAddress(pTarget) && IsExecutableAddress(pDetour)) - { - UINT pos = FindHookEntry(pTarget); - if (pos == INVALID_HOOK_POS) - { - LPVOID pBuffer = AllocateBuffer(pTarget); - if (pBuffer != NULL) - { - TRAMPOLINE ct; - - ct.pTarget = pTarget; - ct.pDetour = pDetour; - ct.pTrampoline = pBuffer; - if (CreateTrampolineFunction(&ct)) - { - PHOOK_ENTRY pHook = AddHookEntry(); - if (pHook != NULL) - { - pHook->pTarget = ct.pTarget; -#if defined(_M_X64) || defined(__x86_64__) - pHook->pDetour = ct.pRelay; -#else - pHook->pDetour = ct.pDetour; -#endif - pHook->pTrampoline = ct.pTrampoline; - pHook->patchAbove = ct.patchAbove; - pHook->isEnabled = FALSE; - pHook->queueEnable = FALSE; - pHook->nIP = ct.nIP; - memcpy(pHook->oldIPs, ct.oldIPs, ARRAYSIZE(ct.oldIPs)); - memcpy(pHook->newIPs, ct.newIPs, ARRAYSIZE(ct.newIPs)); - - // Back up the target function. - - if (ct.patchAbove) - { - memcpy( - pHook->backup, - (LPBYTE)pTarget - sizeof(JMP_REL), - sizeof(JMP_REL) + sizeof(JMP_REL_SHORT)); - } - else - { - memcpy(pHook->backup, pTarget, sizeof(JMP_REL)); - } - - if (ppOriginal != NULL) - *ppOriginal = pHook->pTrampoline; - } - else - { - status = MH_ERROR_MEMORY_ALLOC; - } - } - else - { - status = MH_ERROR_UNSUPPORTED_FUNCTION; - } - - if (status != MH_OK) - { - FreeBuffer(pBuffer); - } - } - else - { - status = MH_ERROR_MEMORY_ALLOC; - } - } - else - { - status = MH_ERROR_ALREADY_CREATED; - } - } - else - { - status = MH_ERROR_NOT_EXECUTABLE; - } - } - else - { - status = MH_ERROR_NOT_INITIALIZED; - } - - LeaveSpinLock(); - - return status; -} - -//------------------------------------------------------------------------- -MH_STATUS WINAPI MH_RemoveHook(LPVOID pTarget) -{ - MH_STATUS status = MH_OK; - - EnterSpinLock(); - - if (g_hHeap != NULL) - { - UINT pos = FindHookEntry(pTarget); - if (pos != INVALID_HOOK_POS) - { - if (g_hooks.pItems[pos].isEnabled) - { - FROZEN_THREADS threads; - status = Freeze(&threads, pos, ACTION_DISABLE); - if (status == MH_OK) - { - status = EnableHookLL(pos, FALSE); - - Unfreeze(&threads); - } - } - - if (status == MH_OK) - { - FreeBuffer(g_hooks.pItems[pos].pTrampoline); - DeleteHookEntry(pos); - } - } - else - { - status = MH_ERROR_NOT_CREATED; - } - } - else - { - status = MH_ERROR_NOT_INITIALIZED; - } - - LeaveSpinLock(); - - return status; -} - -//------------------------------------------------------------------------- -static MH_STATUS EnableHook(LPVOID pTarget, BOOL enable) -{ - MH_STATUS status = MH_OK; - - EnterSpinLock(); - - if (g_hHeap != NULL) - { - if (pTarget == MH_ALL_HOOKS) - { - status = EnableAllHooksLL(enable); - } - else - { - UINT pos = FindHookEntry(pTarget); - if (pos != INVALID_HOOK_POS) - { - if (g_hooks.pItems[pos].isEnabled != enable) - { - FROZEN_THREADS threads; - status = Freeze(&threads, pos, ACTION_ENABLE); - if (status == MH_OK) - { - status = EnableHookLL(pos, enable); - - Unfreeze(&threads); - } - } - else - { - status = enable ? MH_ERROR_ENABLED : MH_ERROR_DISABLED; - } - } - else - { - status = MH_ERROR_NOT_CREATED; - } - } - } - else - { - status = MH_ERROR_NOT_INITIALIZED; - } - - LeaveSpinLock(); - - return status; -} - -//------------------------------------------------------------------------- -MH_STATUS WINAPI MH_EnableHook(LPVOID pTarget) -{ - return EnableHook(pTarget, TRUE); -} - -//------------------------------------------------------------------------- -MH_STATUS WINAPI MH_DisableHook(LPVOID pTarget) -{ - return EnableHook(pTarget, FALSE); -} - -//------------------------------------------------------------------------- -static MH_STATUS QueueHook(LPVOID pTarget, BOOL queueEnable) -{ - MH_STATUS status = MH_OK; - - EnterSpinLock(); - - if (g_hHeap != NULL) - { - if (pTarget == MH_ALL_HOOKS) - { - UINT i; - for (i = 0; i < g_hooks.size; ++i) - g_hooks.pItems[i].queueEnable = queueEnable; - } - else - { - UINT pos = FindHookEntry(pTarget); - if (pos != INVALID_HOOK_POS) - { - g_hooks.pItems[pos].queueEnable = queueEnable; - } - else - { - status = MH_ERROR_NOT_CREATED; - } - } - } - else - { - status = MH_ERROR_NOT_INITIALIZED; - } - - LeaveSpinLock(); - - return status; -} - -//------------------------------------------------------------------------- -MH_STATUS WINAPI MH_QueueEnableHook(LPVOID pTarget) -{ - return QueueHook(pTarget, TRUE); -} - -//------------------------------------------------------------------------- -MH_STATUS WINAPI MH_QueueDisableHook(LPVOID pTarget) -{ - return QueueHook(pTarget, FALSE); -} - -//------------------------------------------------------------------------- -MH_STATUS WINAPI MH_ApplyQueued(VOID) -{ - MH_STATUS status = MH_OK; - UINT i, first = INVALID_HOOK_POS; - - EnterSpinLock(); - - if (g_hHeap != NULL) - { - for (i = 0; i < g_hooks.size; ++i) - { - if (g_hooks.pItems[i].isEnabled != g_hooks.pItems[i].queueEnable) - { - first = i; - break; - } - } - - if (first != INVALID_HOOK_POS) - { - FROZEN_THREADS threads; - status = Freeze(&threads, ALL_HOOKS_POS, ACTION_APPLY_QUEUED); - if (status == MH_OK) - { - for (i = first; i < g_hooks.size; ++i) - { - PHOOK_ENTRY pHook = &g_hooks.pItems[i]; - if (pHook->isEnabled != pHook->queueEnable) - { - status = EnableHookLL(i, pHook->queueEnable); - if (status != MH_OK) - break; - } - } - - Unfreeze(&threads); - } - } - } - else - { - status = MH_ERROR_NOT_INITIALIZED; - } - - LeaveSpinLock(); - - return status; -} - -//------------------------------------------------------------------------- -MH_STATUS WINAPI MH_CreateHookApiEx( - LPCWSTR pszModule, LPCSTR pszProcName, LPVOID pDetour, - LPVOID *ppOriginal, LPVOID *ppTarget) -{ - HMODULE hModule; - LPVOID pTarget; - - hModule = GetModuleHandleW(pszModule); - if (hModule == NULL) - return MH_ERROR_MODULE_NOT_FOUND; - - pTarget = (LPVOID)GetProcAddress(hModule, pszProcName); - if (pTarget == NULL) - return MH_ERROR_FUNCTION_NOT_FOUND; - - if (ppTarget != NULL) - *ppTarget = pTarget; - - return MH_CreateHook(pTarget, pDetour, ppOriginal); -} - -//------------------------------------------------------------------------- -MH_STATUS WINAPI MH_CreateHookApi( - LPCWSTR pszModule, LPCSTR pszProcName, LPVOID pDetour, LPVOID *ppOriginal) -{ - return MH_CreateHookApiEx(pszModule, pszProcName, pDetour, ppOriginal, NULL); -} - -//------------------------------------------------------------------------- -const char *WINAPI MH_StatusToString(MH_STATUS status) -{ -#define MH_ST2STR(x) \ - case x: \ - return #x; - - switch (status) { - MH_ST2STR(MH_UNKNOWN) - MH_ST2STR(MH_OK) - MH_ST2STR(MH_ERROR_ALREADY_INITIALIZED) - MH_ST2STR(MH_ERROR_NOT_INITIALIZED) - MH_ST2STR(MH_ERROR_ALREADY_CREATED) - MH_ST2STR(MH_ERROR_NOT_CREATED) - MH_ST2STR(MH_ERROR_ENABLED) - MH_ST2STR(MH_ERROR_DISABLED) - MH_ST2STR(MH_ERROR_NOT_EXECUTABLE) - MH_ST2STR(MH_ERROR_UNSUPPORTED_FUNCTION) - MH_ST2STR(MH_ERROR_MEMORY_ALLOC) - MH_ST2STR(MH_ERROR_MEMORY_PROTECT) - MH_ST2STR(MH_ERROR_MODULE_NOT_FOUND) - MH_ST2STR(MH_ERROR_FUNCTION_NOT_FOUND) - } - -#undef MH_ST2STR - - return "(unknown)"; -} diff --git a/third_party/minhook/src/trampoline.c b/third_party/minhook/src/trampoline.c deleted file mode 100644 index cf8ce05..0000000 --- a/third_party/minhook/src/trampoline.c +++ /dev/null @@ -1,320 +0,0 @@ -/* - * MinHook - The Minimalistic API Hooking Library for x64/x86 - * Copyright (C) 2009-2017 Tsuda Kageyu. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED - * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A - * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER - * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include <windows.h> - -#if defined(_MSC_VER) && !defined(MINHOOK_DISABLE_INTRINSICS) - #define ALLOW_INTRINSICS - #include <intrin.h> -#endif - -#ifndef ARRAYSIZE - #define ARRAYSIZE(A) (sizeof(A)/sizeof((A)[0])) -#endif - -#if defined(_M_X64) || defined(__x86_64__) - #include "./hde/hde64.h" - typedef hde64s HDE; - #define HDE_DISASM(code, hs) hde64_disasm(code, hs) -#else - #include "./hde/hde32.h" - typedef hde32s HDE; - #define HDE_DISASM(code, hs) hde32_disasm(code, hs) -#endif - -#include "trampoline.h" -#include "buffer.h" - -// Maximum size of a trampoline function. -#if defined(_M_X64) || defined(__x86_64__) - #define TRAMPOLINE_MAX_SIZE (MEMORY_SLOT_SIZE - sizeof(JMP_ABS)) -#else - #define TRAMPOLINE_MAX_SIZE MEMORY_SLOT_SIZE -#endif - -//------------------------------------------------------------------------- -static BOOL IsCodePadding(LPBYTE pInst, UINT size) -{ - UINT i; - - if (pInst[0] != 0x00 && pInst[0] != 0x90 && pInst[0] != 0xCC) - return FALSE; - - for (i = 1; i < size; ++i) - { - if (pInst[i] != pInst[0]) - return FALSE; - } - return TRUE; -} - -//------------------------------------------------------------------------- -BOOL CreateTrampolineFunction(PTRAMPOLINE ct) -{ -#if defined(_M_X64) || defined(__x86_64__) - CALL_ABS call = { - 0xFF, 0x15, 0x00000002, // FF15 00000002: CALL [RIP+8] - 0xEB, 0x08, // EB 08: JMP +10 - 0x0000000000000000ULL // Absolute destination address - }; - JMP_ABS jmp = { - 0xFF, 0x25, 0x00000000, // FF25 00000000: JMP [RIP+6] - 0x0000000000000000ULL // Absolute destination address - }; - JCC_ABS jcc = { - 0x70, 0x0E, // 7* 0E: J** +16 - 0xFF, 0x25, 0x00000000, // FF25 00000000: JMP [RIP+6] - 0x0000000000000000ULL // Absolute destination address - }; -#else - CALL_REL call = { - 0xE8, // E8 xxxxxxxx: CALL +5+xxxxxxxx - 0x00000000 // Relative destination address - }; - JMP_REL jmp = { - 0xE9, // E9 xxxxxxxx: JMP +5+xxxxxxxx - 0x00000000 // Relative destination address - }; - JCC_REL jcc = { - 0x0F, 0x80, // 0F8* xxxxxxxx: J** +6+xxxxxxxx - 0x00000000 // Relative destination address - }; -#endif - - UINT8 oldPos = 0; - UINT8 newPos = 0; - ULONG_PTR jmpDest = 0; // Destination address of an internal jump. - BOOL finished = FALSE; // Is the function completed? -#if defined(_M_X64) || defined(__x86_64__) - UINT8 instBuf[16]; -#endif - - ct->patchAbove = FALSE; - ct->nIP = 0; - - do - { - HDE hs; - UINT copySize; - LPVOID pCopySrc; - ULONG_PTR pOldInst = (ULONG_PTR)ct->pTarget + oldPos; - ULONG_PTR pNewInst = (ULONG_PTR)ct->pTrampoline + newPos; - - copySize = HDE_DISASM((LPVOID)pOldInst, &hs); - if (hs.flags & F_ERROR) - return FALSE; - - pCopySrc = (LPVOID)pOldInst; - if (oldPos >= sizeof(JMP_REL)) - { - // The trampoline function is long enough. - // Complete the function with the jump to the target function. -#if defined(_M_X64) || defined(__x86_64__) - jmp.address = pOldInst; -#else - jmp.operand = (INT32)(pOldInst - (pNewInst + sizeof(jmp))); -#endif - pCopySrc = &jmp; - copySize = sizeof(jmp); - - finished = TRUE; - } -#if defined(_M_X64) || defined(__x86_64__) - else if ((hs.modrm & 0xC7) == 0x05) - { - // Instructions using RIP relative addressing. (ModR/M = 00???101B) - - // Modify the RIP relative address. - PUINT32 pRelAddr; - - // Avoid using memcpy to reduce the footprint. -#ifndef ALLOW_INTRINSICS - memcpy(instBuf, (LPBYTE)pOldInst, copySize); -#else - __movsb(instBuf, (LPBYTE)pOldInst, copySize); -#endif - pCopySrc = instBuf; - - // Relative address is stored at (instruction length - immediate value length - 4). - pRelAddr = (PUINT32)(instBuf + hs.len - ((hs.flags & 0x3C) >> 2) - 4); - *pRelAddr - = (UINT32)((pOldInst + hs.len + (INT32)hs.disp.disp32) - (pNewInst + hs.len)); - - // Complete the function if JMP (FF /4). - if (hs.opcode == 0xFF && hs.modrm_reg == 4) - finished = TRUE; - } -#endif - else if (hs.opcode == 0xE8) - { - // Direct relative CALL - ULONG_PTR dest = pOldInst + hs.len + (INT32)hs.imm.imm32; -#if defined(_M_X64) || defined(__x86_64__) - call.address = dest; -#else - call.operand = (INT32)(dest - (pNewInst + sizeof(call))); -#endif - pCopySrc = &call; - copySize = sizeof(call); - } - else if ((hs.opcode & 0xFD) == 0xE9) - { - // Direct relative JMP (EB or E9) - ULONG_PTR dest = pOldInst + hs.len; - - if (hs.opcode == 0xEB) // isShort jmp - dest += (INT8)hs.imm.imm8; - else - dest += (INT32)hs.imm.imm32; - - // Simply copy an internal jump. - if ((ULONG_PTR)ct->pTarget <= dest - && dest < ((ULONG_PTR)ct->pTarget + sizeof(JMP_REL))) - { - if (jmpDest < dest) - jmpDest = dest; - } - else - { -#if defined(_M_X64) || defined(__x86_64__) - jmp.address = dest; -#else - jmp.operand = (INT32)(dest - (pNewInst + sizeof(jmp))); -#endif - pCopySrc = &jmp; - copySize = sizeof(jmp); - - // Exit the function if it is not in the branch. - finished = (pOldInst >= jmpDest); - } - } - else if ((hs.opcode & 0xF0) == 0x70 - || (hs.opcode & 0xFC) == 0xE0 - || (hs.opcode2 & 0xF0) == 0x80) - { - // Direct relative Jcc - ULONG_PTR dest = pOldInst + hs.len; - - if ((hs.opcode & 0xF0) == 0x70 // Jcc - || (hs.opcode & 0xFC) == 0xE0) // LOOPNZ/LOOPZ/LOOP/JECXZ - dest += (INT8)hs.imm.imm8; - else - dest += (INT32)hs.imm.imm32; - - // Simply copy an internal jump. - if ((ULONG_PTR)ct->pTarget <= dest - && dest < ((ULONG_PTR)ct->pTarget + sizeof(JMP_REL))) - { - if (jmpDest < dest) - jmpDest = dest; - } - else if ((hs.opcode & 0xFC) == 0xE0) - { - // LOOPNZ/LOOPZ/LOOP/JCXZ/JECXZ to the outside are not supported. - return FALSE; - } - else - { - UINT8 cond = ((hs.opcode != 0x0F ? hs.opcode : hs.opcode2) & 0x0F); -#if defined(_M_X64) || defined(__x86_64__) - // Invert the condition in x64 mode to simplify the conditional jump logic. - jcc.opcode = 0x71 ^ cond; - jcc.address = dest; -#else - jcc.opcode1 = 0x80 | cond; - jcc.operand = (INT32)(dest - (pNewInst + sizeof(jcc))); -#endif - pCopySrc = &jcc; - copySize = sizeof(jcc); - } - } - else if ((hs.opcode & 0xFE) == 0xC2) - { - // RET (C2 or C3) - - // Complete the function if not in a branch. - finished = (pOldInst >= jmpDest); - } - - // Can't alter the instruction length in a branch. - if (pOldInst < jmpDest && copySize != hs.len) - return FALSE; - - // Trampoline function is too large. - if ((newPos + copySize) > TRAMPOLINE_MAX_SIZE) - return FALSE; - - // Trampoline function has too many instructions. - if (ct->nIP >= ARRAYSIZE(ct->oldIPs)) - return FALSE; - - ct->oldIPs[ct->nIP] = oldPos; - ct->newIPs[ct->nIP] = newPos; - ct->nIP++; - - // Avoid using memcpy to reduce the footprint. -#ifndef ALLOW_INTRINSICS - memcpy((LPBYTE)ct->pTrampoline + newPos, pCopySrc, copySize); -#else - __movsb((LPBYTE)ct->pTrampoline + newPos, (LPBYTE)pCopySrc, copySize); -#endif - newPos += copySize; - oldPos += hs.len; - } while (!finished); - - // Is there enough place for a long jump? - if (oldPos < sizeof(JMP_REL) - && !IsCodePadding((LPBYTE)ct->pTarget + oldPos, sizeof(JMP_REL) - oldPos)) - { - // Is there enough place for a short jump? - if (oldPos < sizeof(JMP_REL_SHORT) - && !IsCodePadding((LPBYTE)ct->pTarget + oldPos, sizeof(JMP_REL_SHORT) - oldPos)) - { - return FALSE; - } - - // Can we place the long jump above the function? - if (!IsExecutableAddress((LPBYTE)ct->pTarget - sizeof(JMP_REL))) - return FALSE; - - if (!IsCodePadding((LPBYTE)ct->pTarget - sizeof(JMP_REL), sizeof(JMP_REL))) - return FALSE; - - ct->patchAbove = TRUE; - } - -#if defined(_M_X64) || defined(__x86_64__) - // Create a relay function. - jmp.address = (ULONG_PTR)ct->pDetour; - - ct->pRelay = (LPBYTE)ct->pTrampoline + newPos; - memcpy(ct->pRelay, &jmp, sizeof(jmp)); -#endif - - return TRUE; -} diff --git a/third_party/minhook/src/trampoline.h b/third_party/minhook/src/trampoline.h deleted file mode 100644 index f7efb36..0000000 --- a/third_party/minhook/src/trampoline.h +++ /dev/null @@ -1,105 +0,0 @@ -/* - * MinHook - The Minimalistic API Hooking Library for x64/x86 - * Copyright (C) 2009-2017 Tsuda Kageyu. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED - * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A - * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER - * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#pragma once - -#pragma pack(push, 1) - -// Structs for writing x86/x64 instructions. - -// 8-bit relative jump. -typedef struct _JMP_REL_SHORT -{ - UINT8 opcode; // EB xx: JMP +2+xx - INT8 operand; // Relative destination address -} JMP_REL_SHORT, *PJMP_REL_SHORT; - -// 32-bit direct relative jump/call. -typedef struct _JMP_REL -{ - UINT8 opcode; // E9/E8 xxxxxxxx: JMP/CALL +5+xxxxxxxx - INT32 operand; // Relative destination address -} JMP_REL, *PJMP_REL, CALL_REL; - -// 64-bit indirect absolute jump. -typedef struct _JMP_ABS -{ - UINT8 opcode0; // FF25 00000000: JMP [+6] - UINT8 opcode1; - UINT32 dummy; - UINT64 address; // Absolute destination address -} JMP_ABS, *PJMP_ABS; - -// 64-bit indirect absolute call. -typedef struct _CALL_ABS -{ - UINT8 opcode0; // FF15 00000002: CALL [+6] - UINT8 opcode1; - UINT32 dummy0; - UINT8 dummy1; // EB 08: JMP +10 - UINT8 dummy2; - UINT64 address; // Absolute destination address -} CALL_ABS; - -// 32-bit direct relative conditional jumps. -typedef struct _JCC_REL -{ - UINT8 opcode0; // 0F8* xxxxxxxx: J** +6+xxxxxxxx - UINT8 opcode1; - INT32 operand; // Relative destination address -} JCC_REL; - -// 64bit indirect absolute conditional jumps that x64 lacks. -typedef struct _JCC_ABS -{ - UINT8 opcode; // 7* 0E: J** +16 - UINT8 dummy0; - UINT8 dummy1; // FF25 00000000: JMP [+6] - UINT8 dummy2; - UINT32 dummy3; - UINT64 address; // Absolute destination address -} JCC_ABS; - -#pragma pack(pop) - -typedef struct _TRAMPOLINE -{ - LPVOID pTarget; // [In] Address of the target function. - LPVOID pDetour; // [In] Address of the detour function. - LPVOID pTrampoline; // [In] Buffer address for the trampoline and relay function. - -#if defined(_M_X64) || defined(__x86_64__) - LPVOID pRelay; // [Out] Address of the relay function. -#endif - BOOL patchAbove; // [Out] Should use the hot patch area? - UINT nIP; // [Out] Number of the instruction boundaries. - UINT8 oldIPs[8]; // [Out] Instruction boundaries of the target function. - UINT8 newIPs[8]; // [Out] Instruction boundaries of the trampoline function. -} TRAMPOLINE, *PTRAMPOLINE; - -BOOL CreateTrampolineFunction(PTRAMPOLINE ct); |