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[saco] Implement InstallFileSystemHooks()

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This commit is contained in:
RD42 2024-02-14 23:23:26 +08:00
parent cbe46e1d3d
commit 53c6b978c2
7 changed files with 788 additions and 1 deletions
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616
saco/detours.h Normal file
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//////////////////////////////////////////////////////////////////////////////
//
// File: detours.h
// Module: detours.lib
//
// Detours for binary functions. Version 1.5 (Build 46)
//
// Copyright 1995-2001, Microsoft Corporation
//
#pragma once
#ifndef _DETOURS_H_
#define _DETOURS_H_
#pragma comment(lib, "detours")
//////////////////////////////////////////////////////////////////////////////
//
#ifndef GUID_DEFINED
#define GUID_DEFINED
typedef struct _GUID
{
DWORD Data1;
WORD Data2;
WORD Data3;
BYTE Data4[ 8 ];
} GUID;
#endif // !GUID_DEFINED
#if defined(__cplusplus)
#ifndef _REFGUID_DEFINED
#define _REFGUID_DEFINED
#define REFGUID const GUID &
#endif // !_REFGUID_DEFINED
#else // !__cplusplus
#ifndef _REFGUID_DEFINED
#define _REFGUID_DEFINED
#define REFGUID const GUID * const
#endif // !_REFGUID_DEFINED
#endif // !__cplusplus
//
//////////////////////////////////////////////////////////////////////////////
#ifdef __cplusplus
extern "C" {
#endif // __cplusplus
/////////////////////////////////////////////////// Instruction Target Macros.
//
#define DETOUR_INSTRUCTION_TARGET_NONE ((PBYTE)0)
#define DETOUR_INSTRUCTION_TARGET_DYNAMIC ((PBYTE)~0ul)
/////////////////////////////////////////////////////////// Trampoline Macros.
//
// DETOUR_TRAMPOLINE(trampoline_prototype, target_name)
//
// The naked trampoline must be at least DETOUR_TRAMPOLINE_SIZE bytes.
//
#define DETOUR_TRAMPOLINE_SIZE 32
#define DETOUR_SECTION_HEADER_SIGNATURE 0x00727444 // "Dtr\0"
#define DETOUR_TRAMPOLINE(trampoline,target) \
static PVOID __fastcall _Detours_GetVA_##target(VOID) \
{ \
return ⌖ \
} \
\
__declspec(naked) trampoline \
{ \
__asm { nop };\
__asm { nop };\
__asm { call _Detours_GetVA_##target };\
__asm { jmp eax };\
__asm { ret };\
__asm { nop };\
__asm { nop };\
__asm { nop };\
__asm { nop };\
__asm { nop };\
__asm { nop };\
__asm { nop };\
__asm { nop };\
__asm { nop };\
__asm { nop };\
__asm { nop };\
__asm { nop };\
__asm { nop };\
__asm { nop };\
__asm { nop };\
__asm { nop };\
__asm { nop };\
__asm { nop };\
__asm { nop };\
__asm { nop };\
__asm { nop };\
__asm { nop };\
}
#define DETOUR_TRAMPOLINE_EMPTY(trampoline) \
__declspec(naked) trampoline \
{ \
__asm { nop };\
__asm { nop };\
__asm { xor eax, eax };\
__asm { mov eax, [eax] };\
__asm { ret };\
__asm { nop };\
__asm { nop };\
__asm { nop };\
__asm { nop };\
__asm { nop };\
__asm { nop };\
__asm { nop };\
__asm { nop };\
__asm { nop };\
__asm { nop };\
__asm { nop };\
__asm { nop };\
__asm { nop };\
__asm { nop };\
__asm { nop };\
__asm { nop };\
__asm { nop };\
__asm { nop };\
__asm { nop };\
__asm { nop };\
__asm { nop };\
__asm { nop };\
__asm { nop };\
__asm { nop };\
__asm { nop };\
}
/////////////////////////////////////////////////////////// Binary Structures.
//
#pragma pack(push, 8)
typedef struct _DETOUR_SECTION_HEADER
{
DWORD cbHeaderSize;
DWORD nSignature;
DWORD nDataOffset;
DWORD cbDataSize;
DWORD nOriginalImportVirtualAddress;
DWORD nOriginalImportSize;
DWORD nOriginalBoundImportVirtualAddress;
DWORD nOriginalBoundImportSize;
DWORD nOriginalIatVirtualAddress;
DWORD nOriginalIatSize;
DWORD nOriginalSizeOfImage;
DWORD nReserve;
} DETOUR_SECTION_HEADER, *PDETOUR_SECTION_HEADER;
typedef struct _DETOUR_SECTION_RECORD
{
DWORD cbBytes;
DWORD nReserved;
GUID guid;
} DETOUR_SECTION_RECORD, *PDETOUR_SECTION_RECORD;
#pragma pack(pop)
#define DETOUR_SECTION_HEADER_DECLARE(cbSectionSize) \
{ \
sizeof(DETOUR_SECTION_HEADER),\
DETOUR_SECTION_HEADER_SIGNATURE,\
sizeof(DETOUR_SECTION_HEADER),\
(cbSectionSize),\
\
0,\
0,\
0,\
0,\
\
0,\
0,\
0,\
0,\
}
///////////////////////////////////////////////////////////// Binary Typedefs.
//
typedef BOOL (CALLBACK *PF_DETOUR_BINARY_BYWAY_CALLBACK)(PVOID pContext,
PCHAR pszFile,
PCHAR *ppszOutFile);
typedef BOOL (CALLBACK *PF_DETOUR_BINARY_FILE_CALLBACK)(PVOID pContext,
PCHAR pszOrigFile,
PCHAR pszFile,
PCHAR *ppszOutFile);
typedef BOOL (CALLBACK *PF_DETOUR_BINARY_SYMBOL_CALLBACK)(PVOID pContext,
DWORD nOrdinal,
PCHAR pszOrigSymbol,
PCHAR pszSymbol,
PCHAR *ppszOutSymbol);
typedef BOOL (CALLBACK *PF_DETOUR_BINARY_FINAL_CALLBACK)(PVOID pContext);
typedef BOOL (CALLBACK *PF_DETOUR_BINARY_EXPORT_CALLBACK)(PVOID pContext,
DWORD nOrdinal,
PCHAR pszName,
PBYTE pbCode);
typedef VOID * PDETOUR_BINARY;
typedef VOID * PDETOUR_LOADED_BINARY;
//////////////////////////////////////////////////////// Trampoline Functions.
//
PBYTE WINAPI DetourFunction(PBYTE pbTargetFunction,
PBYTE pbDetourFunction);
BOOL WINAPI DetourFunctionWithEmptyTrampoline(PBYTE pbTrampoline,
PBYTE pbTarget,
PBYTE pbDetour);
BOOL WINAPI DetourFunctionWithEmptyTrampolineEx(PBYTE pbTrampoline,
PBYTE pbTarget,
PBYTE pbDetour,
PBYTE *ppbRealTrampoline,
PBYTE *ppbRealTarget,
PBYTE *ppbRealDetour);
BOOL WINAPI DetourFunctionWithTrampoline(PBYTE pbTrampoline,
PBYTE pbDetour);
BOOL WINAPI DetourFunctionWithTrampolineEx(PBYTE pbTrampoline,
PBYTE pbDetour,
PBYTE *ppbRealTrampoline,
PBYTE *ppbRealTarget);
BOOL WINAPI DetourRemove(PBYTE pbTrampoline, PBYTE pbDetour);
////////////////////////////////////////////////////////////// Code Functions.
//
PBYTE WINAPI DetourFindFunction(PCHAR pszModule, PCHAR pszFunction);
PBYTE WINAPI DetourGetFinalCode(PBYTE pbCode, BOOL fSkipJmp);
PBYTE WINAPI DetourCopyInstruction(PBYTE pbDst, PBYTE pbSrc, PBYTE *ppbTarget);
PBYTE WINAPI DetourCopyInstructionEx(PBYTE pbDst,
PBYTE pbSrc,
PBYTE *ppbTarget,
LONG *plExtra);
///////////////////////////////////////////////////// Loaded Binary Functions.
//
HMODULE WINAPI DetourEnumerateModules(HMODULE hModuleLast);
PBYTE WINAPI DetourGetEntryPoint(HMODULE hModule);
BOOL WINAPI DetourEnumerateExports(HMODULE hModule,
PVOID pContext,
PF_DETOUR_BINARY_EXPORT_CALLBACK pfExport);
PBYTE WINAPI DetourFindPayload(HMODULE hModule, REFGUID rguid, DWORD *pcbData);
DWORD WINAPI DetourGetSizeOfPayloads(HMODULE hModule);
///////////////////////////////////////////////// Persistent Binary Functions.
//
BOOL WINAPI DetourBinaryBindA(PCHAR pszFile, PCHAR pszDll, PCHAR pszPath);
BOOL WINAPI DetourBinaryBindW(PWCHAR pwzFile, PWCHAR pwzDll, PWCHAR pwzPath);
#ifdef UNICODE
#define DetourBinaryBind DetourBinaryBindW
#else
#define DetourBinaryBind DetourBinaryBindA
#endif // !UNICODE
PDETOUR_BINARY WINAPI DetourBinaryOpen(HANDLE hFile);
PBYTE WINAPI DetourBinaryEnumeratePayloads(PDETOUR_BINARY pBinary,
GUID *pGuid,
DWORD *pcbData,
DWORD *pnIterator);
PBYTE WINAPI DetourBinaryFindPayload(PDETOUR_BINARY pBinary,
REFGUID rguid,
DWORD *pcbData);
PBYTE WINAPI DetourBinarySetPayload(PDETOUR_BINARY pBinary,
REFGUID rguid,
PBYTE pbData,
DWORD cbData);
BOOL WINAPI DetourBinaryDeletePayload(PDETOUR_BINARY pBinary, REFGUID rguid);
BOOL WINAPI DetourBinaryPurgePayloads(PDETOUR_BINARY pBinary);
BOOL WINAPI DetourBinaryResetImports(PDETOUR_BINARY pBinary);
BOOL WINAPI DetourBinaryEditImports(PDETOUR_BINARY pBinary,
PVOID pContext,
PF_DETOUR_BINARY_BYWAY_CALLBACK pfByway,
PF_DETOUR_BINARY_FILE_CALLBACK pfFile,
PF_DETOUR_BINARY_SYMBOL_CALLBACK pfSymbol,
PF_DETOUR_BINARY_FINAL_CALLBACK pfFinal);
BOOL WINAPI DetourBinaryWrite(PDETOUR_BINARY pBinary, HANDLE hFile);
BOOL WINAPI DetourBinaryClose(PDETOUR_BINARY pBinary);
/////////////////////////////////////////////// First Chance Exception Filter.
//
LPTOP_LEVEL_EXCEPTION_FILTER WINAPI
DetourFirstChanceExceptionFilter(LPTOP_LEVEL_EXCEPTION_FILTER lpTopLevelFilter);
///////////////////////////////////////////////// Create Process & Inject Dll.
//
typedef BOOL (WINAPI *PDETOUR_CREATE_PROCESS_ROUTINEA)
(LPCSTR lpApplicationName,
LPSTR lpCommandLine,
LPSECURITY_ATTRIBUTES lpProcessAttributes,
LPSECURITY_ATTRIBUTES lpThreadAttributes,
BOOL bInheritHandles,
DWORD dwCreationFlags,
LPVOID lpEnvironment,
LPCSTR lpCurrentDirectory,
LPSTARTUPINFOA lpStartupInfo,
LPPROCESS_INFORMATION lpProcessInformation);
typedef BOOL (WINAPI *PDETOUR_CREATE_PROCESS_ROUTINEW)
(LPCWSTR lpApplicationName,
LPWSTR lpCommandLine,
LPSECURITY_ATTRIBUTES lpProcessAttributes,
LPSECURITY_ATTRIBUTES lpThreadAttributes,
BOOL bInheritHandles,
DWORD dwCreationFlags,
LPVOID lpEnvironment,
LPCWSTR lpCurrentDirectory,
LPSTARTUPINFOW lpStartupInfo,
LPPROCESS_INFORMATION lpProcessInformation);
BOOL WINAPI DetourCreateProcessWithDllA(LPCSTR lpApplicationName,
LPSTR lpCommandLine,
LPSECURITY_ATTRIBUTES lpProcessAttributes,
LPSECURITY_ATTRIBUTES lpThreadAttributes,
BOOL bInheritHandles,
DWORD dwCreationFlags,
LPVOID lpEnvironment,
LPCSTR lpCurrentDirectory,
LPSTARTUPINFOA lpStartupInfo,
LPPROCESS_INFORMATION lpProcessInformation,
LPCSTR lpDllName,
PDETOUR_CREATE_PROCESS_ROUTINEA
pfCreateProcessA);
BOOL WINAPI DetourCreateProcessWithDllW(LPCWSTR lpApplicationName,
LPWSTR lpCommandLine,
LPSECURITY_ATTRIBUTES lpProcessAttributes,
LPSECURITY_ATTRIBUTES lpThreadAttributes,
BOOL bInheritHandles,
DWORD dwCreationFlags,
LPVOID lpEnvironment,
LPCWSTR lpCurrentDirectory,
LPSTARTUPINFOW lpStartupInfo,
LPPROCESS_INFORMATION lpProcessInformation,
LPCWSTR lpDllName,
PDETOUR_CREATE_PROCESS_ROUTINEW
pfCreateProcessW);
#ifdef UNICODE
#define DetourCreateProcessWithDll DetourCreateProcessWithDllW
#define PDETOUR_CREATE_PROCESS_ROUTINE PDETOUR_CREATE_PROCESS_ROUTINEW
#else
#define DetourCreateProcessWithDll DetourCreateProcessWithDllA
#define PDETOUR_CREATE_PROCESS_ROUTINE PDETOUR_CREATE_PROCESS_ROUTINEA
#endif // !UNICODE
BOOL WINAPI DetourContinueProcessWithDllA(HANDLE hProcess, LPCSTR lpDllName);
BOOL WINAPI DetourContinueProcessWithDllW(HANDLE hProcess, LPCWSTR lpDllName);
#ifdef UNICODE
#define DetourContinueProcessWithDll DetourContinueProcessWithDllW
#else
#define DetourContinueProcessWithDll DetourContinueProcessWithDllA
#endif // !UNICODE
//
//////////////////////////////////////////////////////////////////////////////
#ifdef __cplusplus
}
#endif // __cplusplus
/////////////////////////////////////////////////////////////////// Old Names.
//
#define ContinueProcessWithDll DetourContinueProcessWithDll
#define ContinueProcessWithDllA DetourContinueProcessWithDllA
#define ContinueProcessWithDllW DetourContinueProcessWithDllW
#define CreateProcessWithDll DetourCreateProcessWithDll
#define CreateProcessWithDllA DetourCreateProcessWithDllA
#define CreateProcessWithDllW DetourCreateProcessWithDllW
#define DETOUR_TRAMPOLINE_WO_TARGET DETOUR_TRAMPOLINE_EMPTY
#define DetourBinaryPurgePayload DetourBinaryPurgePayloads
#define DetourEnumerateExportsForInstance DetourEnumerateExports
#define DetourEnumerateInstances DetourEnumerateModules
#define DetourFindEntryPointForInstance DetourGetEntryPoint
#define DetourFindFinalCode DetourGetFinalCode
#define DetourFindPayloadInBinary DetourFindPayload
#define DetourGetSizeOfBinary DetourGetSizeOfPayloads
#define DetourRemoveWithTrampoline DetourRemove
#define PCREATE_PROCESS_ROUTINE PDETOUR_CREATE_PROCESS_ROUTINE
#define PCREATE_PROCESS_ROUTINEA PDETOUR_CREATE_PROCESS_ROUTINEA
#define PCREATE_PROCESS_ROUTINEW PDETOUR_CREATE_PROCESS_ROUTINEW
//
//////////////////////////////////////////////// Detours Internal Definitions.
//
#ifdef __cplusplus
#ifdef DETOURS_INTERNAL
//////////////////////////////////////////////////////////////////////////////
//
#ifdef IMAGEAPI // defined by IMAGEHLP.H
typedef LPAPI_VERSION (NTAPI *PF_ImagehlpApiVersionEx)(LPAPI_VERSION AppVersion);
typedef BOOL (NTAPI *PF_SymInitialize)(IN HANDLE hProcess,
IN LPSTR UserSearchPath,
IN BOOL fInvadeProcess);
typedef DWORD (NTAPI *PF_SymSetOptions)(IN DWORD SymOptions);
typedef DWORD (NTAPI *PF_SymGetOptions)(VOID);
typedef BOOL (NTAPI *PF_SymLoadModule)(IN HANDLE hProcess,
IN HANDLE hFile,
IN PSTR ImageName,
IN PSTR ModuleName,
IN DWORD BaseOfDll,
IN DWORD SizeOfDll);
typedef BOOL (NTAPI *PF_SymGetModuleInfo)(IN HANDLE hProcess,
IN DWORD dwAddr,
OUT PIMAGEHLP_MODULE ModuleInfo);
typedef BOOL (NTAPI *PF_SymGetSymFromName)(IN HANDLE hProcess,
IN LPSTR Name,
OUT PIMAGEHLP_SYMBOL Symbol);
typedef BOOL (NTAPI *PF_BindImage)(IN LPSTR pszImageName,
IN LPSTR pszDllPath,
IN LPSTR pszSymbolPath);
typedef struct _DETOUR_SYM_INFO
{
HANDLE hProcess;
HMODULE hImageHlp;
PF_ImagehlpApiVersionEx pfImagehlpApiVersionEx;
PF_SymInitialize pfSymInitialize;
PF_SymSetOptions pfSymSetOptions;
PF_SymGetOptions pfSymGetOptions;
PF_SymLoadModule pfSymLoadModule;
PF_SymGetModuleInfo pfSymGetModuleInfo;
PF_SymGetSymFromName pfSymGetSymFromName;
PF_BindImage pfBindImage;
} DETOUR_SYM_INFO, *PDETOUR_SYM_INFO;
PDETOUR_SYM_INFO DetourLoadImageHlp(VOID);
#endif // IMAGEAPI
//////////////////////////////////////////////////////////////////////////////
//
class CDetourEnableWriteOnCodePage
{
public:
CDetourEnableWriteOnCodePage(PBYTE pbCode, LONG cbCode = DETOUR_TRAMPOLINE_SIZE)
{
m_pbCode = pbCode;
m_cbCode = cbCode;
m_dwOldPerm = 0;
m_hProcess = GetCurrentProcess();
if (m_pbCode && m_cbCode) {
if (!FlushInstructionCache(m_hProcess, pbCode, cbCode)) {
return;
}
if (!VirtualProtect(pbCode,
cbCode,
PAGE_EXECUTE_READWRITE,
&m_dwOldPerm)) {
return;
}
}
}
~CDetourEnableWriteOnCodePage()
{
if (m_dwOldPerm && m_pbCode && m_cbCode) {
DWORD dwTemp = 0;
if (!FlushInstructionCache(m_hProcess, m_pbCode, m_cbCode)) {
return;
}
if (!VirtualProtect(m_pbCode, m_cbCode, m_dwOldPerm, &dwTemp)) {
return;
}
}
}
BOOL SetPermission(DWORD dwPerms)
{
if (m_dwOldPerm && m_pbCode && m_cbCode) {
m_dwOldPerm = dwPerms;
return TRUE;
}
return FALSE;
}
BOOL IsValid(VOID)
{
return m_pbCode && m_cbCode && m_dwOldPerm;
}
private:
HANDLE m_hProcess;
PBYTE m_pbCode;
LONG m_cbCode;
DWORD m_dwOldPerm;
};
//////////////////////////////////////////////////////////////////////////////
//
inline PBYTE DetourGenMovEax(PBYTE pbCode, UINT32 nValue)
{
*pbCode++ = 0xB8;
*((UINT32*&)pbCode)++ = nValue;
return pbCode;
}
inline PBYTE DetourGenMovEbx(PBYTE pbCode, UINT32 nValue)
{
*pbCode++ = 0xBB;
*((UINT32*&)pbCode)++ = nValue;
return pbCode;
}
inline PBYTE DetourGenMovEcx(PBYTE pbCode, UINT32 nValue)
{
*pbCode++ = 0xB9;
*((UINT32*&)pbCode)++ = nValue;
return pbCode;
}
inline PBYTE DetourGenMovEdx(PBYTE pbCode, UINT32 nValue)
{
*pbCode++ = 0xBA;
*((UINT32*&)pbCode)++ = nValue;
return pbCode;
}
inline PBYTE DetourGenMovEsi(PBYTE pbCode, UINT32 nValue)
{
*pbCode++ = 0xBE;
*((UINT32*&)pbCode)++ = nValue;
return pbCode;
}
inline PBYTE DetourGenMovEdi(PBYTE pbCode, UINT32 nValue)
{
*pbCode++ = 0xBF;
*((UINT32*&)pbCode)++ = nValue;
return pbCode;
}
inline PBYTE DetourGenMovEbp(PBYTE pbCode, UINT32 nValue)
{
*pbCode++ = 0xBD;
*((UINT32*&)pbCode)++ = nValue;
return pbCode;
}
inline PBYTE DetourGenMovEsp(PBYTE pbCode, UINT32 nValue)
{
*pbCode++ = 0xBC;
*((UINT32*&)pbCode)++ = nValue;
return pbCode;
}
inline PBYTE DetourGenPush(PBYTE pbCode, UINT32 nValue)
{
*pbCode++ = 0x68;
*((UINT32*&)pbCode)++ = nValue;
return pbCode;
}
inline PBYTE DetourGenPushad(PBYTE pbCode)
{
*pbCode++ = 0x60;
return pbCode;
}
inline PBYTE DetourGenPopad(PBYTE pbCode)
{
*pbCode++ = 0x61;
return pbCode;
}
inline PBYTE DetourGenJmp(PBYTE pbCode, PBYTE pbJmpDst, PBYTE pbJmpSrc = 0)
{
if (pbJmpSrc == 0) {
pbJmpSrc = pbCode;
}
*pbCode++ = 0xE9;
*((INT32*&)pbCode)++ = pbJmpDst - (pbJmpSrc + 5);
return pbCode;
}
inline PBYTE DetourGenCall(PBYTE pbCode, PBYTE pbJmpDst, PBYTE pbJmpSrc = 0)
{
if (pbJmpSrc == 0) {
pbJmpSrc = pbCode;
}
*pbCode++ = 0xE8;
*((INT32*&)pbCode)++ = pbJmpDst - (pbJmpSrc + 5);
return pbCode;
}
inline PBYTE DetourGenBreak(PBYTE pbCode)
{
*pbCode++ = 0xcc;
return pbCode;
}
inline PBYTE DetourGenRet(PBYTE pbCode)
{
*pbCode++ = 0xc3;
return pbCode;
}
inline PBYTE DetourGenNop(PBYTE pbCode)
{
*pbCode++ = 0x90;
return pbCode;
}
#endif DETOURS_INTERAL
#endif // __cplusplus
#endif // _DETOURS_H_
//
//////////////////////////////////////////////////////////////// End of File.

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saco/detours.lib Normal file
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141
saco/filehooks.cpp Normal file
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@ -0,0 +1,141 @@
#include <windows.h>
#include "detours.h"
#include "filehooks.h"
//----------------------------------------------------------
// Original procedures
def_GetFileSize Real_GetFileSize = NULL;
def_SetFilePointer Real_SetFilePointer = NULL;
def_CreateFileA Real_CreateFileA = NULL;
def_CreateFileW Real_CreateFileW = NULL;
def_ReadFile Real_ReadFile = NULL;
def_CloseHandle Real_CloseHandle = NULL;
def_GetFileType Real_GetFileType = NULL;
ARCH_FILE_RECORD OpenArchRecords[MAX_OPEN_ARCH_FILES];
BOOL bArchRecordSlotState[MAX_OPEN_ARCH_FILES];
BOOL bFileHooksInstalled = FALSE;
//----------------------------------------------------------
HANDLE WINAPI Arch_CreateFileA( LPCTSTR lpFileName,DWORD dwDesiredAccess,
DWORD dwShareMode,LPSECURITY_ATTRIBUTES lpSecurityAttributes,
DWORD dwCreationDisposition,DWORD dwFlagsAndAttributes,
HANDLE hTemplateFile )
{
// TODO: Arch_CreateFileA
return Real_CreateFileA(lpFileName,dwDesiredAccess,dwShareMode,
lpSecurityAttributes,dwCreationDisposition,dwFlagsAndAttributes,hTemplateFile);
}
//----------------------------------------------------------
HANDLE WINAPI Arch_CreateFileW( WORD * lpFileName,DWORD dwDesiredAccess,
DWORD dwShareMode,LPSECURITY_ATTRIBUTES lpSecurityAttributes,
DWORD dwCreationDisposition,DWORD dwFlagsAndAttributes,
HANDLE hTemplateFile )
{
// TODO: Arch_CreateFileW (unused)
return Real_CreateFileW(lpFileName,dwDesiredAccess,dwShareMode,
lpSecurityAttributes,dwCreationDisposition,dwFlagsAndAttributes,hTemplateFile);
}
//----------------------------------------------------------
BOOL WINAPI Arch_ReadFile( HANDLE hFile,LPVOID lpBuffer,
DWORD nNumberOfBytesToRead,
LPDWORD lpNumberOfBytesRead,
LPOVERLAPPED lpOverlapped )
{
// TODO: Arch_ReadFile
return Real_ReadFile(hFile,lpBuffer,nNumberOfBytesToRead,
lpNumberOfBytesRead,lpOverlapped);
}
//----------------------------------------------------------
DWORD WINAPI Arch_GetFileSize( HANDLE hFile, PDWORD pdwSize )
{
// TODO: Arch_GetFileSize
return Real_GetFileSize(hFile,pdwSize);
}
//----------------------------------------------------------
DWORD WINAPI Arch_SetFilePointer( HANDLE hFile,LONG lDistanceToMove,
PLONG lpDistanceToMoveHigh,DWORD dwMoveMethod )
{
// TODO: Arch_SetFilePointer
return Real_SetFilePointer(hFile,lDistanceToMove,lpDistanceToMoveHigh,dwMoveMethod);
}
//----------------------------------------------------------
BOOL WINAPI Arch_CloseHandle( HANDLE hObject )
{
// TODO: Arch_CloseHandle
return Real_CloseHandle(hObject);
}
//----------------------------------------------------------
DWORD WINAPI Arch_GetFileType( HANDLE hFile )
{
// TODO: Arch_GetFileType
return Real_GetFileType(hFile);
}
//----------------------------------------------------------
void InstallFileSystemHooks()
{
if(!bFileHooksInstalled) {
// reset our structures memory
memset(OpenArchRecords,0,sizeof(ARCH_FILE_RECORD) * MAX_OPEN_ARCH_FILES);
memset(bArchRecordSlotState,FALSE,sizeof(BOOL) * MAX_OPEN_ARCH_FILES);
Real_CreateFileA = (def_CreateFileA)DetourFunction(
(PBYTE)DetourFindFunction("kernel32.dll", "CreateFileA"),
(PBYTE)Arch_CreateFileA);
Real_CreateFileW = (def_CreateFileW)DetourFunction(
(PBYTE)DetourFindFunction("kernel32.dll", "CreateFileW"),
(PBYTE)Arch_CreateFileW);
Real_ReadFile = (def_ReadFile)DetourFunction(
(PBYTE)DetourFindFunction("kernel32.dll", "ReadFile"),
(PBYTE)Arch_ReadFile);
Real_GetFileSize = (def_GetFileSize)DetourFunction(
(PBYTE)DetourFindFunction("kernel32.dll", "GetFileSize"),
(PBYTE)Arch_GetFileSize);
Real_SetFilePointer = (def_SetFilePointer)DetourFunction(
(PBYTE)DetourFindFunction("kernel32.dll", "SetFilePointer"),
(PBYTE)Arch_SetFilePointer);
Real_CloseHandle = (def_CloseHandle)DetourFunction(
(PBYTE)DetourFindFunction("kernel32.dll", "CloseHandle"),
(PBYTE)Arch_CloseHandle);
Real_GetFileType = (def_GetFileType)DetourFunction(
(PBYTE)DetourFindFunction("kernel32.dll", "GetFileType"),
(PBYTE)Arch_GetFileType);
bFileHooksInstalled = TRUE;
}
}
//----------------------------------------------------------

23
saco/filehooks.h Normal file
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@ -0,0 +1,23 @@
#pragma once
void InstallFileSystemHooks();
#define MAX_OPEN_ARCH_FILES 50
typedef struct _ARCH_FILE_RECORD
{
char _gap0[20];
} ARCH_FILE_RECORD;
// File API definitions
typedef DWORD (WINAPI *def_GetFileSize)(HANDLE,PDWORD);
typedef DWORD (WINAPI *def_SetFilePointer)(HANDLE,LONG,PLONG,DWORD);
typedef HANDLE (WINAPI *def_CreateFileA)(LPCTSTR,DWORD,DWORD,LPSECURITY_ATTRIBUTES,DWORD,DWORD,HANDLE);
typedef HANDLE (WINAPI *def_CreateFileW)(PWORD,DWORD,DWORD,LPSECURITY_ATTRIBUTES,DWORD,DWORD,HANDLE);
typedef BOOL (WINAPI *def_ReadFile)(HANDLE,LPVOID,DWORD,LPDWORD,LPOVERLAPPED);
typedef BOOL (WINAPI *def_CloseHandle)(HANDLE);
typedef DWORD (WINAPI *def_GetFileType)(HANDLE);

2
saco/main.cpp
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@ -86,8 +86,8 @@ BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
AddFontResourceA("gtaweap3.ttf");
AddFontResourceA("sampaux3.ttf");
//sub_10062CA0();
//sub_10062970();
InstallFileSystemHooks();
pGame = new CGame();

1
saco/main.h
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@ -41,6 +41,7 @@ typedef struct _GAME_SETTINGS {
#include "net/scriptrpc.h"
#include "config.h"
#include "filehooks.h"
#include "fontrender.h"
#include "chatwindow.h"
#include "cmdwindow.h"

6
saco/saco.vcproj
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@ -501,6 +501,12 @@
<File
RelativePath=".\fhicl-sha1.h">
</File>
<File
RelativePath=".\filehooks.cpp">
</File>
<File
RelativePath=".\filehooks.h">
</File>
<File
RelativePath=".\filesystem.cpp">
</File>