LunaHook-mirror/LunaHost/host.cpp

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2024-02-07 20:59:24 +08:00
#include "host.h"
#include "defs.h"
#include "hookcode.h"
#include "texthook.h"
typedef LONG NTSTATUS;
#include"yapi.hpp"
#include"Lang/Lang.h"
namespace
{
class ProcessRecord
{
public:
ProcessRecord(DWORD processId, HANDLE pipe) :
pipe(pipe),
mappedFile(OpenFileMappingW(FILE_MAP_READ, FALSE, (ITH_SECTION_ + std::to_wstring(processId)).c_str())),
mappedFile2(OpenFileMappingW(FILE_MAP_READ|FILE_MAP_WRITE, FALSE, (EMBED_SHARED_MEM + std::to_wstring(processId)).c_str())),
view(*(const TextHook(*)[MAX_HOOK])MapViewOfFile(mappedFile, FILE_MAP_READ, 0, 0, MAX_HOOK * sizeof(TextHook))), // jichi 1/16/2015: Changed to half to hook section sizem
viewMutex(ITH_HOOKMAN_MUTEX_ + std::to_wstring(processId))
{
embedsharedmem=(EmbedSharedMem*)MapViewOfFile(mappedFile2, FILE_MAP_READ|FILE_MAP_WRITE, 0, 0, sizeof(EmbedSharedMem));
//放到构造表里就不行,不知道为何。
}
~ProcessRecord()
{
UnmapViewOfFile(view);
UnmapViewOfFile(embedsharedmem);
}
TextHook GetHook(uint64_t addr)
{
if (!view) return {};
std::scoped_lock lock(viewMutex);
for (auto hook : view) if (hook.address == addr) return hook;
return {};
}
template <typename T>
void Send(T data)
{
static_assert(sizeof(data) < PIPE_BUFFER_SIZE);
std::thread([=]
{
WriteFile(pipe, &data, sizeof(data), DUMMY, nullptr);
}).detach();
}
Host::HookEventHandler OnHookFound = [](HookParam hp, std::wstring text)
{
Host::AddConsoleOutput(std::wstring(hp.hookcode) + L": " + text);
};
EmbedSharedMem *embedsharedmem;
private:
HANDLE pipe;
AutoHandle<> mappedFile;
AutoHandle<> mappedFile2;
const TextHook(&view)[MAX_HOOK];
WinMutex viewMutex;
};
size_t HashThreadParam(ThreadParam tp) { return std::hash<int64_t>()(tp.processId + tp.addr) + std::hash<int64_t>()(tp.ctx + tp.ctx2); }
Synchronized<std::unordered_map<ThreadParam, TextThread, Functor<HashThreadParam>>> textThreadsByParams;
Synchronized<std::unordered_map<DWORD, ProcessRecord>> processRecordsByIds;
Host::ProcessEventHandler OnConnect, OnDisconnect;
Host::ThreadEventHandler OnCreate, OnDestroy;
Host::ConsoleHandler OnConsole=0;
Host::HookInsertHandler HookInsert=0;
Host::EmbedCallback embedcallback=0;
void RemoveThreads(std::function<bool(ThreadParam)> removeIf)
{
std::vector<TextThread*> threadsToRemove;
for (auto& [tp, thread] : textThreadsByParams.Acquire().contents) if (removeIf(tp)) threadsToRemove.push_back(&thread);
for (auto thread : threadsToRemove)
{
OnDestroy(*thread);
textThreadsByParams->erase(thread->tp);
}
}
BOOL Is64BitProcess(HANDLE ph)
{
BOOL f64bitProc = FALSE;
if (detail::Is64BitOS())
{
f64bitProc = !(IsWow64Process(ph, &f64bitProc) && f64bitProc);
}
return f64bitProc;
}
void CreatePipe(int pid)
{
HANDLE
hookPipe = CreateNamedPipeW((std::wstring(HOOK_PIPE)+std::to_wstring(pid)).c_str(), PIPE_ACCESS_INBOUND, PIPE_TYPE_MESSAGE | PIPE_READMODE_MESSAGE, PIPE_UNLIMITED_INSTANCES, 0, PIPE_BUFFER_SIZE, MAXDWORD, &allAccess),
hostPipe = CreateNamedPipeW((std::wstring(HOST_PIPE)+std::to_wstring(pid)).c_str(), PIPE_ACCESS_OUTBOUND, PIPE_TYPE_MESSAGE | PIPE_READMODE_MESSAGE, PIPE_UNLIMITED_INSTANCES, PIPE_BUFFER_SIZE, 0, MAXDWORD, &allAccess);
HANDLE pipeAvailableEvent = CreateEventW(&allAccess, FALSE, FALSE, (std::wstring(PIPE_AVAILABLE_EVENT)+std::to_wstring(pid)).c_str());
Host::AddConsoleOutput((std::wstring(PIPE_AVAILABLE_EVENT)+std::to_wstring(pid)));
SetEvent(pipeAvailableEvent);
std::thread([hookPipe,hostPipe,pipeAvailableEvent]
{
ConnectNamedPipe(hookPipe, nullptr);
CloseHandle(pipeAvailableEvent);
BYTE buffer[PIPE_BUFFER_SIZE] = {};
DWORD bytesRead, processId;
ReadFile(hookPipe, &processId, sizeof(processId), &bytesRead, nullptr);
processRecordsByIds->try_emplace(processId, processId, hostPipe);
OnConnect(processId);
//CreatePipe();
while (ReadFile(hookPipe, buffer, PIPE_BUFFER_SIZE, &bytesRead, nullptr))
switch (*(HostNotificationType*)buffer)
{
case HOST_NOTIFICATION_FOUND_HOOK:
{
auto info = *(HookFoundNotif*)buffer;
auto OnHookFound = processRecordsByIds->at(processId).OnHookFound;
std::wstring wide = info.text;
if (wide.size() > STRING) OnHookFound(info.hp, std::move(info.text));
info.hp.type &= ~CODEC_UTF16;
if (auto converted = StringToWideString((char*)info.text, info.hp.codepage))
if (converted->size() > STRING)
{
//wcscpy_s(info.hp.hookcode,HOOKCODE_LEN, HookCode::Generate(info.hp, GetCurrentProcessId()).c_str());
OnHookFound(info.hp, std::move(converted.value()));
}
if (auto converted = StringToWideString((char*)info.text, info.hp.codepage = CP_UTF8))
if (converted->size() > STRING)
{
//wcscpy_s(info.hp.hookcode,HOOKCODE_LEN, HookCode::Generate(info.hp, GetCurrentProcessId()).c_str());
OnHookFound(info.hp, std::move(converted.value()));
}
}
break;
case HOST_NOTIFICATION_RMVHOOK:
{
auto info = *(HookRemovedNotif*)buffer;
RemoveThreads([&](ThreadParam tp) { return tp.processId == processId && tp.addr == info.address; });
}
break;
case HOST_NOTIFICATION_INSERTING_HOOK:
{
if(HookInsert){
auto info = *(HookInsertingNotif*)buffer;
auto addr=info.addr;
std::wstring hc=processRecordsByIds->at(processId).GetHook(addr).hp.hookcode;
HookInsert(addr,hc);
}
}
break;
case HOST_NOTIFICATION_TEXT:
{
auto info = *(ConsoleOutputNotif*)buffer;
Host::AddConsoleOutput(StringToWideString(info.message));
}
break;
default:
{
auto data=(TextOutput_T*)buffer;
auto length= bytesRead - sizeof(TextOutput_T);
auto tp = data->tp;
auto textThreadsByParams = ::textThreadsByParams.Acquire();
auto thread = textThreadsByParams->find(tp);
if (thread == textThreadsByParams->end())
{
try { thread = textThreadsByParams->try_emplace(tp, tp, processRecordsByIds->at(tp.processId).GetHook(tp.addr).hp).first; }
catch (std::out_of_range) { continue; } // probably garbage data in pipe, try again
OnCreate(thread->second);
}
thread->second.hp.type=data->type;
thread->second.Push(data->data, length);
if(embedcallback){
auto & hp=thread->second.hp;
if(hp.type&EMBED_ABLE){
std::wstring text;
if (hp.type & CODEC_UTF16)text=(std::wstring((wchar_t*)data->data, length / sizeof(wchar_t)));
else if (auto converted = StringToWideString(std::string((char*)data->data, length), hp.codepage ? hp.codepage : Host::defaultCodepage))text=(converted.value());
else text=L"";
if(text.size()){
embedcallback(text,tp);
}
}
}
}
break;
}
RemoveThreads([&](ThreadParam tp) { return tp.processId == processId; });
OnDisconnect(processId);
processRecordsByIds->erase(processId);
}).detach();
}
}
namespace Host
{
void Start(ProcessEventHandler Connect, ProcessEventHandler Disconnect, ThreadEventHandler Create, ThreadEventHandler Destroy, TextThread::OutputCallback Output,bool createconsole)
{
OnConnect = Connect;
OnDisconnect = Disconnect;
OnCreate = [Create](TextThread& thread) { Create(thread); thread.Start(); };
OnDestroy = [Destroy](TextThread& thread) { thread.Stop(); Destroy(thread); };
TextThread::Output = Output;
textThreadsByParams->try_emplace(console, console, HookParam{}, CONSOLE);
if(createconsole)
OnCreate(GetThread(console));
//CreatePipe();
}
void StartEx(ProcessEventHandler Connect, ProcessEventHandler Disconnect, ThreadEventHandler Create, ThreadEventHandler Destroy, TextThread::OutputCallback Output,ConsoleHandler console,HookInsertHandler hookinsert,EmbedCallback embed){
Start(Connect,Disconnect,Create,Destroy,Output,false);
OnConsole=console;
HookInsert=hookinsert;
embedcallback=embed;
}
constexpr auto PROCESS_INJECT_ACCESS=(
PROCESS_CREATE_THREAD |
PROCESS_QUERY_INFORMATION |
PROCESS_VM_OPERATION |
PROCESS_VM_WRITE |
PROCESS_VM_READ);
bool SafeInject(HANDLE process,const std::wstring &location){
//#ifdef _WIN64
#if 0
BOOL invalidProcess = FALSE;
IsWow64Process(process, &invalidProcess);
if (invalidProcess) return AddConsoleOutput(NEED_32_BIT);
#endif
bool succ=false;
if (LPVOID remoteData = VirtualAllocEx(process, nullptr, (location.size() + 1) * sizeof(wchar_t), MEM_RESERVE | MEM_COMMIT, PAGE_READWRITE))
{
WriteProcessMemory(process, remoteData, location.c_str(), (location.size() + 1) * sizeof(wchar_t), nullptr);
if (AutoHandle<> thread = CreateRemoteThread(process, nullptr, 0, (LPTHREAD_START_ROUTINE)LoadLibraryW, remoteData, 0, nullptr)){
WaitForSingleObject(thread, INFINITE);
succ=true;
}
else if (GetLastError() == ERROR_ACCESS_DENIED){
AddConsoleOutput(NEED_64_BIT); // https://stackoverflow.com/questions/16091141/createremotethread-access-denied
succ=false;
}
VirtualFreeEx(process, remoteData, 0, MEM_RELEASE);
}
return succ;
}
bool UnSafeInject(HANDLE process,const std::wstring &location){
DWORD64 injectedDll;
yapi::YAPICall LoadLibraryW(process, _T("kernel32.dll"), "LoadLibraryW");
if(x64)injectedDll = LoadLibraryW.Dw64()(location.c_str());
else injectedDll = LoadLibraryW(location.c_str());
if(injectedDll)return true;
return false;
}
bool CheckProcess(DWORD processId){
if (processId == GetCurrentProcessId()) return false;
WinMutex(ITH_HOOKMAN_MUTEX_ + std::to_wstring(processId));
if (GetLastError() == ERROR_ALREADY_EXISTS){AddConsoleOutput(ALREADY_INJECTED); return false;}
return true;
}
bool InjectDll(DWORD processId,const std::wstring locationX){
AutoHandle<> process = OpenProcess(PROCESS_INJECT_ACCESS, FALSE, processId);
if(!process)return false;
bool proc64=Is64BitProcess(process);
auto dllname=proc64?LUNA_HOOK_DLL_64:LUNA_HOOK_DLL_32;
std::wstring location =locationX.size()?(locationX+L"\\"+dllname): std::filesystem::path(GetModuleFilename().value()).replace_filename(dllname);
AddConsoleOutput(location);
if(proc64==x64){
return (SafeInject(process,location));
}
else{
return (UnSafeInject(process,location));
}
}
bool CreatePipeAndCheck(DWORD processId){
CreatePipe(processId);
return CheckProcess(processId);
}
void InjectProcess(DWORD processId,const std::wstring locationX)
{
CreatePipe(processId);
std::thread([processId,locationX]
{
if(CheckProcess(processId)==false)return;
if(InjectDll(processId,locationX))return ;
AddConsoleOutput(INJECT_FAILED);
}).detach();
}
void DetachProcess(DWORD processId)
{
auto &prs=processRecordsByIds.Acquire().contents;
if(prs.find(processId)==prs.end())return;
prs.at(processId).Send(HOST_COMMAND_DETACH);
}
void InsertHook(DWORD processId, HookParam hp)
{
auto &prs=processRecordsByIds.Acquire().contents;
if(prs.find(processId)==prs.end())return;
prs.at(processId).Send(InsertHookCmd(hp));
}
void RemoveHook(DWORD processId, uint64_t address)
{
auto &prs=processRecordsByIds.Acquire().contents;
if(prs.find(processId)==prs.end())return;
prs.at(processId).Send(RemoveHookCmd(address));
}
void FindHooks(DWORD processId, SearchParam sp, HookEventHandler HookFound)
{
auto &prs=processRecordsByIds.Acquire().contents;
if(prs.find(processId)==prs.end())return;
if (HookFound) prs.at(processId).OnHookFound = HookFound;
prs.at(processId).Send(FindHookCmd(sp));
}
TextThread& GetThread(ThreadParam tp)
{
return textThreadsByParams->at(tp);
}
TextThread* GetThread(int64_t handle)
{
for (auto& [tp, thread] : textThreadsByParams.Acquire().contents) if (thread.handle == handle) return &thread;
return nullptr;
}
EmbedSharedMem* GetEmbedSharedMem(DWORD processId){
auto &prs=processRecordsByIds.Acquire().contents;
if(prs.find(processId)==prs.end())return 0;
return prs.at(processId).embedsharedmem;
}
void AddConsoleOutput(std::wstring text)
{
if(OnConsole)
OnConsole(std::move(text));
else
GetThread(console).AddSentence(std::move(text));
}
}