LunaHook-mirror/LunaHost/LunaHostDll.cpp

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#include "host.h"
#include "hookcode.h"
#include "defs.h"
#include "winevent.hpp"
#define C_LUNA_API extern "C" __declspec(dllexport)
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BOOL APIENTRY DllMain(HMODULE hModule,
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DWORD ul_reason_for_call,
LPVOID lpReserved)
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{
switch (ul_reason_for_call)
{
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case DLL_PROCESS_ATTACH:
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case DLL_THREAD_ATTACH:
case DLL_THREAD_DETACH:
case DLL_PROCESS_DETACH:
break;
}
return TRUE;
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}
typedef void (*ProcessEvent)(DWORD);
typedef void (*ThreadEvent)(wchar_t *, char *, ThreadParam);
typedef void (*OutputCallback)(wchar_t *, char *, ThreadParam, const wchar_t *);
typedef void (*ConsoleHandler)(const wchar_t *);
typedef void (*HookInsertHandler)(uint64_t, const wchar_t *);
typedef void (*EmbedCallback)(const wchar_t *, ThreadParam);
#define XXXX char name[HOOK_NAME_SIZE];\
wchar_t hookcode[HOOKCODE_LEN];\
wcscpy_s(hookcode, HOOKCODE_LEN, thread.hp.hookcode);\
strcpy_s(name, HOOK_NAME_SIZE, thread.hp.name);
C_LUNA_API void Luna_Start(ProcessEvent Connect, ProcessEvent Disconnect, ThreadEvent Create, ThreadEvent Destroy, OutputCallback Output, ConsoleHandler console, HookInsertHandler hookinsert, EmbedCallback embed)
{
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Host::StartEx(
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Connect,
Disconnect,
[=](TextThread &thread)
{
XXXX
Create(hookcode, name, thread.tp);
},
[=](TextThread &thread)
{
XXXX
Destroy(hookcode, name, thread.tp);
},
[=](TextThread &thread, std::wstring &output)
{
XXXX
Output(hookcode, name, thread.tp, output.c_str());
return true;
},
[=](std::wstring &output)
{
console(output.c_str());
},
[=](uint64_t addr, std::wstring &output)
{
hookinsert(addr, output.c_str());
},
[=](std::wstring &output, ThreadParam &tp)
{
embed(output.c_str(), tp);
});
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}
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C_LUNA_API void Luna_Inject(DWORD pid, LPCWSTR basepath)
{
Host::InjectProcess(pid, basepath);
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}
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C_LUNA_API bool Luna_CreatePipeAndCheck(DWORD pid)
{
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return Host::CreatePipeAndCheck(pid);
}
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C_LUNA_API void Luna_Detach(DWORD pid)
{
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Host::DetachProcess(pid);
}
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C_LUNA_API void Luna_Settings(int flushDelay, bool filterRepetition, int defaultCodepage, int maxBufferSize)
{
TextThread::flushDelay = flushDelay;
TextThread::filterRepetition = filterRepetition;
Host::defaultCodepage = defaultCodepage;
TextThread::maxBufferSize = maxBufferSize;
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}
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C_LUNA_API bool Luna_InsertHookCode(DWORD pid, LPCWSTR hookcode)
{
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auto hp = HookCode::Parse(hookcode);
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if (hp)
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Host::InsertHook(pid, hp.value());
return hp.has_value();
}
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C_LUNA_API void Luna_RemoveHook(DWORD pid, uint64_t addr)
{
Host::RemoveHook(pid, addr);
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}
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struct simplehooks
{
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wchar_t hookcode[HOOKCODE_LEN];
wchar_t *text;
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simplehooks() : text(0){};
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};
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typedef void (*findhookcallback_t)(wchar_t *hookcode, const wchar_t *text);
C_LUNA_API void Luna_FindHooks(DWORD pid, SearchParam sp, findhookcallback_t findhookcallback)
{
Host::FindHooks(pid, sp, [=](HookParam hp, std::wstring text)
{
wchar_t hookcode[HOOKCODE_LEN];
wcscpy_s(hookcode,HOOKCODE_LEN, hp.hookcode);
findhookcallback(hookcode,text.c_str()); });
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}
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C_LUNA_API void Luna_EmbedSettings(DWORD pid, UINT32 waittime, UINT8 fontCharSet, bool fontCharSetEnabled, wchar_t *fontFamily, UINT32 spaceadjustpolicy, UINT32 keeprawtext, bool fastskipignore)
{
auto sm = Host::GetEmbedSharedMem(pid);
if (!sm)
return;
sm->waittime = waittime;
sm->fontCharSet = fontCharSet;
sm->fontCharSetEnabled = fontCharSetEnabled;
wcscpy_s(sm->fontFamily, 100, fontFamily);
sm->spaceadjustpolicy = spaceadjustpolicy;
sm->keeprawtext = keeprawtext;
sm->fastskipignore = fastskipignore;
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}
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C_LUNA_API bool Luna_checkisusingembed(DWORD pid, uint64_t address, uint64_t ctx1, uint64_t ctx2)
{
auto sm = Host::GetEmbedSharedMem(pid);
if (!sm)
return false;
for (int i = 0; i < 10; i++)
{
if (sm->use[i])
{
if ((sm->addr[i] == address) && (sm->ctx1[i] == ctx1) && (sm->ctx2[i] == ctx2))
return true;
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}
}
return false;
}
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C_LUNA_API void Luna_useembed(DWORD pid, uint64_t address, uint64_t ctx1, uint64_t ctx2, bool use)
{
auto sm = Host::GetEmbedSharedMem(pid);
if (!sm)
return;
sm->codepage = Host::defaultCodepage;
for (int i = 0; i < 10; i++)
{
if (sm->use[i])
{
if ((sm->addr[i] == address) && (sm->ctx1[i] == ctx1) && (sm->ctx2[i] == ctx2))
{
if (use == false)
{
sm->addr[i] = sm->ctx1[i] = sm->ctx2[i] = sm->use[i] = 0;
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}
}
}
}
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if (use)
{
for (int i = 0; i < 10; i++)
{
if (sm->use[i] == 0)
{
sm->use[i] = 1;
sm->addr[i] = address;
sm->ctx1[i] = ctx1;
sm->ctx2[i] = ctx2;
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break;
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}
}
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}
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}
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inline UINT64 djb2_n2(const unsigned char *str, size_t len, UINT64 hash = 5381)
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{
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int i = 0;
while (len--)
{
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hash = ((hash << 5) + hash) + (*str++); // hash * 33 + c
}
return hash;
}
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C_LUNA_API void Luna_embedcallback(DWORD pid, LPCWSTR text, LPCWSTR trans)
{
auto sm = Host::GetEmbedSharedMem(pid);
if (!sm)
return;
wcscpy_s(sm->text, 1000, trans);
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char eventname[1000];
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sprintf(eventname, LUNA_EMBED_notify_event, pid, djb2_n2((const unsigned char *)(text), wcslen(text) * 2));
win_event event1(eventname);
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event1.signal(true);
}