260 lines
9.0 KiB
C++
260 lines
9.0 KiB
C++
#include "host.h"
|
|
#include "defs.h"
|
|
#include "util.h"
|
|
#include "../texthook/texthook.h"
|
|
|
|
extern const wchar_t* ALREADY_INJECTED;
|
|
extern const wchar_t* NEED_32_BIT;
|
|
extern const wchar_t* NEED_64_BIT;
|
|
extern const wchar_t* INJECT_FAILED;
|
|
extern const wchar_t* CONSOLE;
|
|
extern const wchar_t* CLIPBOARD;
|
|
|
|
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())),
|
|
view(*(const TextHook(*)[MAX_HOOK])MapViewOfFile(mappedFile, FILE_MAP_READ, 0, 0, HOOK_SECTION_SIZE / 2)), // jichi 1/16/2015: Changed to half to hook section size
|
|
viewMutex(ITH_HOOKMAN_MUTEX_ + std::to_wstring(processId))
|
|
{}
|
|
|
|
~ProcessRecord()
|
|
{
|
|
UnmapViewOfFile(view);
|
|
}
|
|
|
|
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, const std::wstring& text)
|
|
{
|
|
Host::AddConsoleOutput(Util::GenerateCode(hp, 0) + L": " + text);
|
|
};
|
|
|
|
private:
|
|
HANDLE pipe;
|
|
AutoHandle<> mappedFile;
|
|
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;
|
|
|
|
void RemoveThreads(std::function<bool(ThreadParam)> removeIf)
|
|
{
|
|
std::vector<TextThread*> threadsToRemove;
|
|
{
|
|
auto textThreadsByParams = ::textThreadsByParams.Acquire();
|
|
std::for_each(textThreadsByParams->begin(), textThreadsByParams->end(), [&](auto& it) { if (removeIf(it.first)) threadsToRemove.push_back(&it.second); });
|
|
}
|
|
for (auto thread : threadsToRemove)
|
|
{
|
|
OnDestroy(*thread);
|
|
textThreadsByParams->erase(thread->tp);
|
|
}
|
|
}
|
|
|
|
void CreatePipe()
|
|
{
|
|
std::thread([]
|
|
{
|
|
struct PipeCloser { void operator()(HANDLE h) { DisconnectNamedPipe(h); CloseHandle(h); } };
|
|
AutoHandle<PipeCloser>
|
|
hookPipe = CreateNamedPipeW(HOOK_PIPE, PIPE_ACCESS_INBOUND, PIPE_TYPE_MESSAGE | PIPE_READMODE_MESSAGE, PIPE_UNLIMITED_INSTANCES, 0, PIPE_BUFFER_SIZE, MAXDWORD, &allAccess),
|
|
hostPipe = CreateNamedPipeW(HOST_PIPE, PIPE_ACCESS_OUTBOUND, PIPE_TYPE_MESSAGE | PIPE_READMODE_MESSAGE, PIPE_UNLIMITED_INSTANCES, PIPE_BUFFER_SIZE, 0, MAXDWORD, &allAccess);
|
|
static AutoHandle<> pipeAvailableEvent = CreateEventW(&allAccess, FALSE, FALSE, PIPE_AVAILABLE_EVENT);
|
|
SetEvent(pipeAvailableEvent);
|
|
ConnectNamedPipe(hookPipe, nullptr);
|
|
|
|
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, info.text);
|
|
info.hp.type &= ~USING_UNICODE;
|
|
if (auto converted = Util::StringToWideString((char*)info.text, info.hp.codepage))
|
|
if (converted->size() > STRING) OnHookFound(info.hp, converted.value());
|
|
if (auto converted = Util::StringToWideString((char*)info.text, info.hp.codepage = CP_UTF8))
|
|
if (converted->size() > STRING) OnHookFound(info.hp, 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_TEXT:
|
|
{
|
|
auto info = *(ConsoleOutputNotif*)buffer;
|
|
Host::AddConsoleOutput(Util::StringToWideString(info.message).value());
|
|
}
|
|
break;
|
|
default:
|
|
{
|
|
auto tp = *(ThreadParam*)buffer;
|
|
auto textThreadsByParams = ::textThreadsByParams.Acquire();
|
|
auto textThread = textThreadsByParams->find(tp);
|
|
if (textThread == textThreadsByParams->end())
|
|
{
|
|
try { textThread = 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(textThread->second);
|
|
}
|
|
textThread->second.Push(buffer + sizeof(tp), bytesRead - sizeof(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)
|
|
{
|
|
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);
|
|
OnCreate(GetThread(console));
|
|
textThreadsByParams->try_emplace(clipboard, clipboard, HookParam{}, CLIPBOARD);
|
|
OnCreate(GetThread(clipboard));
|
|
|
|
CreatePipe();
|
|
|
|
static AutoHandle<> clipboardUpdate = CreateEventW(nullptr, FALSE, TRUE, NULL);
|
|
SetWindowsHookExW(WH_GETMESSAGE, [](int statusCode, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
if (statusCode == HC_ACTION && wParam == PM_REMOVE && ((MSG*)lParam)->message == WM_CLIPBOARDUPDATE) SetEvent(clipboardUpdate);
|
|
return CallNextHookEx(NULL, statusCode, wParam, lParam);
|
|
}, NULL, GetCurrentThreadId());
|
|
std::thread([]
|
|
{
|
|
while (WaitForSingleObject(clipboardUpdate, INFINITE) == WAIT_OBJECT_0)
|
|
{
|
|
std::optional<std::wstring> clipboardText;
|
|
for (int retry = 0; !clipboardText && retry < 3; ++retry) // retry loop in case something else is using the clipboard
|
|
{
|
|
Sleep(10);
|
|
if (clipboardText = Util::GetClipboardText()) GetThread(clipboard).AddSentence(std::move(clipboardText.value()));
|
|
}
|
|
}
|
|
throw;
|
|
}).detach();
|
|
}
|
|
|
|
void InjectProcess(DWORD processId)
|
|
{
|
|
std::thread([processId]
|
|
{
|
|
if (processId == GetCurrentProcessId()) return;
|
|
|
|
WinMutex(ITH_HOOKMAN_MUTEX_ + std::to_wstring(processId));
|
|
if (GetLastError() == ERROR_ALREADY_EXISTS) return AddConsoleOutput(ALREADY_INJECTED);
|
|
|
|
if (AutoHandle<> process = OpenProcess(PROCESS_ALL_ACCESS, FALSE, processId))
|
|
{
|
|
#ifdef _WIN64
|
|
BOOL invalidProcess = FALSE;
|
|
IsWow64Process(process, &invalidProcess);
|
|
if (invalidProcess) return AddConsoleOutput(NEED_32_BIT);
|
|
#endif
|
|
static std::wstring location = Util::GetModuleFilename(LoadLibraryExW(ITH_DLL, nullptr, DONT_RESOLVE_DLL_REFERENCES)).value();
|
|
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);
|
|
else if (GetLastError() == ERROR_ACCESS_DENIED) AddConsoleOutput(NEED_64_BIT); // https://stackoverflow.com/questions/16091141/createremotethread-access-denied
|
|
VirtualFreeEx(process, remoteData, 0, MEM_RELEASE);
|
|
return;
|
|
}
|
|
}
|
|
|
|
AddConsoleOutput(INJECT_FAILED);
|
|
}).detach();
|
|
}
|
|
|
|
void DetachProcess(DWORD processId)
|
|
{
|
|
processRecordsByIds->at(processId).Send(HOST_COMMAND_DETACH);
|
|
}
|
|
|
|
void InsertHook(DWORD processId, HookParam hp)
|
|
{
|
|
processRecordsByIds->at(processId).Send(InsertHookCmd(hp));
|
|
}
|
|
|
|
void RemoveHook(DWORD processId, uint64_t address)
|
|
{
|
|
processRecordsByIds->at(processId).Send(RemoveHookCmd(address));
|
|
}
|
|
|
|
void FindHooks(DWORD processId, SearchParam sp, HookEventHandler HookFound)
|
|
{
|
|
if (HookFound) processRecordsByIds->at(processId).OnHookFound = HookFound;
|
|
processRecordsByIds->at(processId).Send(FindHookCmd(sp));
|
|
}
|
|
|
|
TextThread& GetThread(ThreadParam tp)
|
|
{
|
|
return textThreadsByParams->at(tp);
|
|
}
|
|
|
|
TextThread* GetThread(int64_t handle)
|
|
{
|
|
auto textThreadsByParams = ::textThreadsByParams.Acquire();
|
|
auto thread = std::find_if(textThreadsByParams->begin(), textThreadsByParams->end(), [&](const auto& thread) { return thread.second.handle == handle; });
|
|
return thread != textThreadsByParams->end() ? &thread->second : nullptr;
|
|
}
|
|
|
|
void AddConsoleOutput(std::wstring text)
|
|
{
|
|
GetThread(console).AddSentence(std::move(text));
|
|
}
|
|
}
|