mirror of
https://github.com/HIllya51/LunaHook.git
synced 2024-11-30 17:15:38 +08:00
354 lines
12 KiB
C++
354 lines
12 KiB
C++
#include "host.h"
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#include "defs.h"
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#include "hookcode.h"
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#include "texthook.h"
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typedef LONG NTSTATUS;
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#include"yapi.hpp"
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#include"Lang/Lang.h"
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namespace
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{
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class ProcessRecord
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{
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public:
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ProcessRecord(DWORD processId, HANDLE pipe) :
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pipe(pipe),
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mappedFile(OpenFileMappingW(FILE_MAP_READ, FALSE, (ITH_SECTION_ + std::to_wstring(processId)).c_str())),
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mappedFile2(OpenFileMappingW(FILE_MAP_READ|FILE_MAP_WRITE, FALSE, (EMBED_SHARED_MEM + std::to_wstring(processId)).c_str())),
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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
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viewMutex(ITH_HOOKMAN_MUTEX_ + std::to_wstring(processId))
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{
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embedsharedmem=(EmbedSharedMem*)MapViewOfFile(mappedFile2, FILE_MAP_READ|FILE_MAP_WRITE, 0, 0, sizeof(EmbedSharedMem));
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//放到构造表里就不行，不知道为何。
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}
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~ProcessRecord()
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{
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UnmapViewOfFile(view);
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UnmapViewOfFile(embedsharedmem);
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}
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TextHook GetHook(uint64_t addr)
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{
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if (!view) return {};
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std::scoped_lock lock(viewMutex);
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for (auto hook : view) if (hook.address == addr) return hook;
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return {};
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}
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template <typename T>
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void Send(T data)
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{
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static_assert(sizeof(data) < PIPE_BUFFER_SIZE);
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std::thread([=]
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{
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WriteFile(pipe, &data, sizeof(data), DUMMY, nullptr);
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}).detach();
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}
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Host::HookEventHandler OnHookFound = [](HookParam hp, std::wstring text)
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{
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Host::AddConsoleOutput(std::wstring(hp.hookcode) + L": " + text);
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};
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EmbedSharedMem *embedsharedmem;
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private:
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HANDLE pipe;
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AutoHandle<> mappedFile;
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AutoHandle<> mappedFile2;
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const TextHook(&view)[MAX_HOOK];
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WinMutex viewMutex;
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};
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size_t HashThreadParam(ThreadParam tp) { return std::hash<int64_t>()(tp.processId + tp.addr) + std::hash<int64_t>()(tp.ctx + tp.ctx2); }
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Synchronized<std::unordered_map<ThreadParam, TextThread, Functor<HashThreadParam>>> textThreadsByParams;
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Synchronized<std::unordered_map<DWORD, ProcessRecord>> processRecordsByIds;
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Host::ProcessEventHandler OnConnect, OnDisconnect;
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Host::ThreadEventHandler OnCreate, OnDestroy;
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Host::ConsoleHandler OnConsole=0;
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Host::HookInsertHandler HookInsert=0;
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Host::EmbedCallback embedcallback=0;
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void RemoveThreads(std::function<bool(ThreadParam)> removeIf)
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{
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std::vector<TextThread*> threadsToRemove;
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for (auto& [tp, thread] : textThreadsByParams.Acquire().contents) if (removeIf(tp)) threadsToRemove.push_back(&thread);
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for (auto thread : threadsToRemove)
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{
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OnDestroy(*thread);
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textThreadsByParams->erase(thread->tp);
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}
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}
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BOOL Is64BitProcess(HANDLE ph)
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{
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BOOL f64bitProc = FALSE;
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if (detail::Is64BitOS())
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{
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f64bitProc = !(IsWow64Process(ph, &f64bitProc) && f64bitProc);
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}
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return f64bitProc;
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}
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void CreatePipe(int pid)
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{
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HANDLE
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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),
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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);
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HANDLE pipeAvailableEvent = CreateEventW(&allAccess, FALSE, FALSE, (std::wstring(PIPE_AVAILABLE_EVENT)+std::to_wstring(pid)).c_str());
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Host::AddConsoleOutput((std::wstring(PIPE_AVAILABLE_EVENT)+std::to_wstring(pid)));
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SetEvent(pipeAvailableEvent);
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std::thread([hookPipe,hostPipe,pipeAvailableEvent]
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{
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ConnectNamedPipe(hookPipe, nullptr);
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CloseHandle(pipeAvailableEvent);
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BYTE buffer[PIPE_BUFFER_SIZE] = {};
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DWORD bytesRead, processId;
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ReadFile(hookPipe, &processId, sizeof(processId), &bytesRead, nullptr);
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processRecordsByIds->try_emplace(processId, processId, hostPipe);
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OnConnect(processId);
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//CreatePipe();
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while (ReadFile(hookPipe, buffer, PIPE_BUFFER_SIZE, &bytesRead, nullptr))
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switch (*(HostNotificationType*)buffer)
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{
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case HOST_NOTIFICATION_FOUND_HOOK:
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{
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auto info = *(HookFoundNotif*)buffer;
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auto OnHookFound = processRecordsByIds->at(processId).OnHookFound;
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std::wstring wide = info.text;
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if (wide.size() > STRING) OnHookFound(info.hp, std::move(info.text));
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info.hp.type &= ~CODEC_UTF16;
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if (auto converted = StringToWideString((char*)info.text, info.hp.codepage))
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if (converted->size() > STRING)
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{
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wcscpy_s(info.hp.hookcode,HOOKCODE_LEN, HookCode::Generate(info.hp, processId).c_str());
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OnHookFound(info.hp, std::move(converted.value()));
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}
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if (auto converted = StringToWideString((char*)info.text, info.hp.codepage = CP_UTF8))
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if (converted->size() > STRING)
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{
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wcscpy_s(info.hp.hookcode,HOOKCODE_LEN, HookCode::Generate(info.hp, processId).c_str());
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OnHookFound(info.hp, std::move(converted.value()));
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}
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}
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break;
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case HOST_NOTIFICATION_RMVHOOK:
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{
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auto info = *(HookRemovedNotif*)buffer;
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RemoveThreads([&](ThreadParam tp) { return tp.processId == processId && tp.addr == info.address; });
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}
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break;
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case HOST_NOTIFICATION_INSERTING_HOOK:
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{
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if(HookInsert){
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auto info = *(HookInsertingNotif*)buffer;
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auto addr=info.addr;
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std::wstring hc=processRecordsByIds->at(processId).GetHook(addr).hp.hookcode;
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HookInsert(addr,hc);
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}
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}
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break;
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case HOST_NOTIFICATION_TEXT:
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{
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auto info = *(ConsoleOutputNotif*)buffer;
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Host::AddConsoleOutput(StringToWideString(info.message));
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}
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break;
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default:
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{
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auto data=(TextOutput_T*)buffer;
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auto length= bytesRead - sizeof(TextOutput_T);
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auto tp = data->tp;
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auto textThreadsByParams = ::textThreadsByParams.Acquire();
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auto thread = textThreadsByParams->find(tp);
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if (thread == textThreadsByParams->end())
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{
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try { thread = textThreadsByParams->try_emplace(tp, tp, processRecordsByIds->at(tp.processId).GetHook(tp.addr).hp).first; }
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catch (std::out_of_range) { continue; } // probably garbage data in pipe, try again
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OnCreate(thread->second);
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}
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thread->second.hp.type=data->type;
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thread->second.Push(data->data, length);
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if(embedcallback){
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auto & hp=thread->second.hp;
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if(hp.type&EMBED_ABLE){
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if (auto t=commonparsestring(data->data,length,&hp,Host::defaultCodepage)){
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auto text=t.value();
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if(text.size()){
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embedcallback(text,tp);
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}
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}
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}
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}
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}
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break;
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}
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RemoveThreads([&](ThreadParam tp) { return tp.processId == processId; });
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OnDisconnect(processId);
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processRecordsByIds->erase(processId);
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}).detach();
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}
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}
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namespace Host
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{
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void Start(ProcessEventHandler Connect, ProcessEventHandler Disconnect, ThreadEventHandler Create, ThreadEventHandler Destroy, TextThread::OutputCallback Output,bool createconsole)
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{
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OnConnect = Connect;
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OnDisconnect = Disconnect;
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OnCreate = [Create](TextThread& thread) { Create(thread); thread.Start(); };
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OnDestroy = [Destroy](TextThread& thread) { thread.Stop(); Destroy(thread); };
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TextThread::Output = Output;
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textThreadsByParams->try_emplace(console, console, HookParam{}, CONSOLE);
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if(createconsole)
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OnCreate(GetThread(console));
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//CreatePipe();
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}
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void StartEx(ProcessEventHandler Connect, ProcessEventHandler Disconnect, ThreadEventHandler Create, ThreadEventHandler Destroy, TextThread::OutputCallback Output,ConsoleHandler console,HookInsertHandler hookinsert,EmbedCallback embed){
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Start(Connect,Disconnect,Create,Destroy,Output,false);
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OnConsole=console;
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HookInsert=hookinsert;
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embedcallback=embed;
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}
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constexpr auto PROCESS_INJECT_ACCESS=(
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PROCESS_CREATE_THREAD |
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PROCESS_QUERY_INFORMATION |
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PROCESS_VM_OPERATION |
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PROCESS_VM_WRITE |
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PROCESS_VM_READ);
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bool SafeInject(HANDLE process,const std::wstring &location){
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//#ifdef _WIN64
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#if 0
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BOOL invalidProcess = FALSE;
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IsWow64Process(process, &invalidProcess);
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if (invalidProcess) return AddConsoleOutput(NEED_32_BIT);
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#endif
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bool succ=false;
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if (LPVOID remoteData = VirtualAllocEx(process, nullptr, (location.size() + 1) * sizeof(wchar_t), MEM_RESERVE | MEM_COMMIT, PAGE_READWRITE))
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{
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WriteProcessMemory(process, remoteData, location.c_str(), (location.size() + 1) * sizeof(wchar_t), nullptr);
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if (AutoHandle<> thread = CreateRemoteThread(process, nullptr, 0, (LPTHREAD_START_ROUTINE)LoadLibraryW, remoteData, 0, nullptr)){
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WaitForSingleObject(thread, INFINITE);
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succ=true;
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}
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else if (GetLastError() == ERROR_ACCESS_DENIED){
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AddConsoleOutput(NEED_64_BIT); // https://stackoverflow.com/questions/16091141/createremotethread-access-denied
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succ=false;
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}
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VirtualFreeEx(process, remoteData, 0, MEM_RELEASE);
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}
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return succ;
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}
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bool UnSafeInject(HANDLE process,const std::wstring &location){
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DWORD64 injectedDll;
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yapi::YAPICall LoadLibraryW(process, _T("kernel32.dll"), "LoadLibraryW");
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if(x64)injectedDll = LoadLibraryW.Dw64()(location.c_str());
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else injectedDll = LoadLibraryW(location.c_str());
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if(injectedDll)return true;
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return false;
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}
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bool CheckProcess(DWORD processId){
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if (processId == GetCurrentProcessId()) return false;
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WinMutex(ITH_HOOKMAN_MUTEX_ + std::to_wstring(processId));
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if (GetLastError() == ERROR_ALREADY_EXISTS){AddConsoleOutput(ALREADY_INJECTED); return false;}
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return true;
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}
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bool InjectDll(DWORD processId,const std::wstring locationX){
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AutoHandle<> process = OpenProcess(PROCESS_INJECT_ACCESS, FALSE, processId);
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if(!process)return false;
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bool proc64=Is64BitProcess(process);
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auto dllname=proc64?LUNA_HOOK_DLL_64:LUNA_HOOK_DLL_32;
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std::wstring location =locationX.size()?(locationX+L"\\"+dllname): std::filesystem::path(GetModuleFilename().value()).replace_filename(dllname);
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AddConsoleOutput(location);
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if(proc64==x64){
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return (SafeInject(process,location));
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}
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else{
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return (UnSafeInject(process,location));
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}
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}
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bool CreatePipeAndCheck(DWORD processId){
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CreatePipe(processId);
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return CheckProcess(processId);
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}
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void InjectProcess(DWORD processId,const std::wstring locationX)
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{
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CreatePipe(processId);
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std::thread([processId,locationX]
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{
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if(CheckProcess(processId)==false)return;
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if(InjectDll(processId,locationX))return ;
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AddConsoleOutput(INJECT_FAILED);
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}).detach();
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}
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void DetachProcess(DWORD processId)
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{
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auto &prs=processRecordsByIds.Acquire().contents;
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if(prs.find(processId)==prs.end())return;
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prs.at(processId).Send(HOST_COMMAND_DETACH);
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}
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void InsertHook(DWORD processId, HookParam hp)
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{
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auto &prs=processRecordsByIds.Acquire().contents;
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if(prs.find(processId)==prs.end())return;
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prs.at(processId).Send(InsertHookCmd(hp));
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}
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void RemoveHook(DWORD processId, uint64_t address)
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{
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auto &prs=processRecordsByIds.Acquire().contents;
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if(prs.find(processId)==prs.end())return;
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prs.at(processId).Send(RemoveHookCmd(address));
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}
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void FindHooks(DWORD processId, SearchParam sp, HookEventHandler HookFound)
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{
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auto &prs=processRecordsByIds.Acquire().contents;
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if(prs.find(processId)==prs.end())return;
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if (HookFound) prs.at(processId).OnHookFound = HookFound;
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prs.at(processId).Send(FindHookCmd(sp));
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}
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TextThread& GetThread(ThreadParam tp)
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{
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return textThreadsByParams->at(tp);
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}
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TextThread* GetThread(int64_t handle)
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{
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for (auto& [tp, thread] : textThreadsByParams.Acquire().contents) if (thread.handle == handle) return &thread;
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return nullptr;
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}
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EmbedSharedMem* GetEmbedSharedMem(DWORD processId){
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auto &prs=processRecordsByIds.Acquire().contents;
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if(prs.find(processId)==prs.end())return 0;
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return prs.at(processId).embedsharedmem;
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}
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void AddConsoleOutput(std::wstring text)
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{
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if(OnConsole)
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OnConsole(std::move(text));
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else
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GetThread(console).AddSentence(std::move(text));
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}
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}
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