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This commit is contained in:
k0t9i
2023-01-16 15:33:32 +04:00
parent 0f6fb75cff
commit 3c20df7683
130 changed files with 7756 additions and 0 deletions
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34
L2BotDll/Common/Common.cpp Normal file
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#include "pch.h"
#include "Common.h"
#include <Rpc.h>
#pragma comment(lib, "Rpcrt4.lib")
std::string ConvertFromWideChar(const wchar_t* str)
{
std::wstring ws(str);
std::string result(ws.begin(), ws.end());
return result;
}
std::string GenerateUUID()
{
UUID uuid;
::ZeroMemory(&uuid, sizeof(UUID));
::UuidCreate(&uuid);
WCHAR* wszUuid = NULL;
::UuidToStringW(&uuid, (RPC_WSTR*)&wszUuid);
if (wszUuid == NULL)
{
return "";
}
std::wstring ws = wszUuid;
::RpcStringFree((RPC_WSTR*)&wszUuid);
wszUuid = NULL;
return std::string(ws.begin(), ws.end());
}

6
L2BotDll/Common/Common.h Normal file
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#pragma once
#include <string>
std::string ConvertFromWideChar(const wchar_t* str);
std::string GenerateUUID();

81
L2BotDll/Common/TimerMap.h Normal file
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#pragma once
#include <map>
#include <cstdint>
#include <functional>
#include <atomic>
#include <condition_variable>
#include <thread>
#include <chrono>
class TimerMap
{
public:
TimerMap() = default;
virtual ~TimerMap()
{
StopAll();
}
void StartTimer(const uint32_t key, const uint32_t milliseconds, const std::function<void(uint32_t)> callback)
{
StopTimer(key);
m_Timers[key].Start(milliseconds, callback, key);
}
void StopTimer(uint32_t key)
{
if (m_Timers.find(key) != m_Timers.end())
{
m_Timers[key].Stop();
}
}
void StopAll()
{
m_Timers.clear();
}
private:
class Timer
{
public:
void Start(const uint32_t milliseconds, const std::function<void(uint32_t)> callback, const uint32_t data)
{
m_Terminate = false;
m_Thread = std::thread([this, milliseconds, callback, data] {
std::unique_lock<std::mutex> lk(m_Mutex);
if (!m_Condition.wait_for(lk, std::chrono::milliseconds(milliseconds), [this]() { return m_Terminate == true; }))
{
callback(data);
}
});
}
void Stop()
{
m_Terminate = true;
m_Condition.notify_all();
if (m_Thread.joinable())
{
m_Thread.join();
}
}
Timer() = default;
virtual ~Timer()
{
Stop();
}
private:
std::condition_variable m_Condition;
std::mutex m_Mutex;
std::atomic_bool m_Terminate = false;
std::thread m_Thread;
};
std::map<uint32_t, Timer> m_Timers;
};

75
L2BotDll/Common/apihook.cpp Normal file
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#include "pch.h"
#include "apihook.h"
#include "Trampoline.h"
#pragma pack(push, 1)
struct CallJmpInstr
{
BYTE opcode;
DWORD rel32;
};
#pragma pack(pop)
#pragma pack(push, 1)
struct SavedFunction
{
DWORD originalAddress;
BYTE size;
BYTE oldCode[5];
CallJmpInstr* jumpInstruction;
};
#pragma pack(pop)
/*
* <20><><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> jump (0xe9), <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD> <20> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>
*/
void recalculateRel32IfIsJump(void* dest, void* source)
{
CallJmpInstr* mayBeJump = (CallJmpInstr*)dest;
if (mayBeJump->opcode == 0xe9)
{
mayBeJump->rel32 = (DWORD)source - (DWORD)dest + mayBeJump->rel32;
}
}
BYTE saveOldFunction(void* proc, void* old)
{
CopyMemory(old, proc, 5);
recalculateRel32IfIsJump(old, proc);
CallJmpInstr* instr = (CallJmpInstr*)((BYTE*)old + 5);
instr->opcode = 0xe9;
instr->rel32 = (DWORD)((BYTE*)proc - (BYTE*)old - 5);
return 5;
}
void* splice(void* splicedFunctionAddress, void* hookFunction)
{
DWORD oldProtect;
VirtualProtect((DWORD*)splicedFunctionAddress, 5, PAGE_EXECUTE_READWRITE, &oldProtect);
void* oldFunction = malloc(255);
*(DWORD*)oldFunction = (DWORD)splicedFunctionAddress;
*((BYTE*)oldFunction + 4) = saveOldFunction((DWORD*)((BYTE*)splicedFunctionAddress), (DWORD*)((BYTE*)oldFunction + 5));
CallJmpInstr* instr = (CallJmpInstr*)((BYTE*)splicedFunctionAddress);
instr->opcode = 0xe9;
instr->rel32 = (DWORD)hookFunction - (DWORD)splicedFunctionAddress - 5;
VirtualProtect((DWORD*)splicedFunctionAddress, 5, oldProtect, &oldProtect);
return (DWORD*)((BYTE*)oldFunction + 5);
}
BOOL restore(void*& oldProc)
{
if (oldProc != 0 && *((BYTE*)(*(DWORD*)((BYTE*)oldProc - 5))) == 0xe9) {
void* proc = (DWORD*)(*(DWORD*)((BYTE*)oldProc - 5));
DWORD size = (BYTE)(*(DWORD*)((BYTE*)oldProc - 1));
DWORD oldProtect;
VirtualProtect(proc, size, PAGE_EXECUTE_READWRITE, &oldProtect);
CopyMemory(proc, oldProc, size);
recalculateRel32IfIsJump(proc, oldProc);
VirtualProtect(proc, size, oldProtect, &oldProtect);
free((DWORD*)((BYTE*)oldProc - 5));
oldProc = 0;
return TRUE;
}
return FALSE;
}

5
L2BotDll/Common/apihook.h Normal file
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#pragma once
#include <Windows.h>
void* splice(void* splicedFunctionAddress, void* hookFunction);
BOOL restore(void*& oldProc);