83 lines
2.8 KiB
C++
83 lines
2.8 KiB
C++
#pragma once
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#include <spdlog/spdlog.h>
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#define AUTO_ASSEMBLE_TRAMPOLINE(ADDRESS, TRAMPOLINE_LENGTH, INSTRUCTIONS) \
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do { \
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auto allocMemory = Memory::AllocateNearbyMemory(ADDRESS, sizeof INSTRUCTIONS + 14); \
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Memory::CreateTrampoline(ADDRESS, allocMemory, TRAMPOLINE_LENGTH); \
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Memory::WriteInstructions(allocMemory, INSTRUCTIONS, sizeof INSTRUCTIONS, ADDRESS + TRAMPOLINE_LENGTH); \
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} while (false)
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class Memory
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{
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public:
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/**
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* Converts flkoat 32 bits into a char*.
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*
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* @param value : The value to encode.
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*/
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static const char* Float32ToHexBytes(float value);
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/**
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* Read x bytes in memory.
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*
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* @param address : The address to read.
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* @param size : The size in bytes to read
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* @std::vector<std::uint8_t> : The bytes read.
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*/
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static std::vector<std::uint8_t> ReadBytes(const void* addr, std::size_t size);
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/**
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* Patch x bytes in memory.
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*
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* @param address : The address to patch.
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* @param bytes : The bytes to patch
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* @param len : The number of bytes to be patched
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*/
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static void PatchBytes(void* address, const char* bytes, size_t len);
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/**
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* Restore x bytes in memory.
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*
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* @param address : The address to patch.
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*/
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static void RestoreBytes(void* address);
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/**
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* Achieve an AOB scan in memory.
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*
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* @param module_name : The executable to scan.
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* @param signature : The signature to search for (eg : 7F ?? F3 0F ?? ?? ?? F2)
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* @param protect_flags : Page protection (PAGE_EXECUTE_READ | PAGE_EXECUTE_READWRITE | PAGE_READWRITE | PAGE_EXECUTE_WRITECOPY)
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* @param log : If any log is to be used
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* @return uint_8* : Pointer to address where AOB is found.
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*/
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static uint8_t* AOBScan(const std::string& module_name, const std::string& signature, DWORD protect_flags, std::shared_ptr<spdlog::logger> log = nullptr);
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static std::string ByteToHexEscaped(const BYTE byte);
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/**
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* Set or clear VEH hardware breakpoint.
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*
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* @param targetAddress : The memory target to set a VEH breakpoint.
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* @param vehHandle : The VEH handle (nullptr when to set breakpoint or a handle when to unset
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* @param enable : Set or unset the VEH debugger
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* @param pVEH : The function where to detour (set to nullptr to unset)
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* @param hwIndex : The hawdware breakpoint to set (0 - 4)
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* @return hwIndex : The VEH breakpoint handle
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*/
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static PVOID SetupOrClearHardwareBreakPointForAllThreads(uintptr_t targetAddress, PVOID vehHandle, bool enable, PVECTORED_EXCEPTION_HANDLER pVEH = nullptr, int hwIndex = 0);
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private:
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static bool WaitForModule(const std::string& module_name, int timeoutMs, int intervalMs);
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struct PatchInfo {
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void* address;
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std::vector<BYTE> originalBytes;
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bool hasTrampoline = false;
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void* trampolineDestination = nullptr;
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};
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static std::unordered_map<void*, PatchInfo> patches;
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};
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