271 lines
8.2 KiB
C++
271 lines
8.2 KiB
C++
#include "host.h"
|
|
#include "const.h"
|
|
#include "text.h"
|
|
#include "defs.h"
|
|
#include "util.h"
|
|
#include "../vnrhook/texthook.h"
|
|
|
|
namespace
|
|
{
|
|
class ProcessRecord
|
|
{
|
|
public:
|
|
ProcessRecord(DWORD processId, HANDLE hostPipe) :
|
|
hostPipe(hostPipe),
|
|
section(OpenFileMappingW(FILE_MAP_READ, FALSE, (ITH_SECTION_ + std::to_wstring(processId)).c_str())),
|
|
sectionMap(MapViewOfFile(section, FILE_MAP_READ, 0, 0, HOOK_SECTION_SIZE / 2)), // jichi 1/16/2015: Changed to half to hook section size
|
|
sectionMutex(ITH_HOOKMAN_MUTEX_ + std::to_wstring(processId))
|
|
{}
|
|
|
|
ProcessRecord(ProcessRecord&) = delete;
|
|
ProcessRecord& operator=(ProcessRecord) = delete;
|
|
|
|
~ProcessRecord()
|
|
{
|
|
UnmapViewOfFile(sectionMap);
|
|
CloseHandle(section);
|
|
}
|
|
|
|
TextHook GetHook(uint64_t addr)
|
|
{
|
|
if (sectionMap == nullptr) return {};
|
|
LOCK(sectionMutex);
|
|
auto hooks = (const TextHook*)sectionMap;
|
|
for (int i = 0; i < MAX_HOOK; ++i)
|
|
if (hooks[i].hp.insertion_address == addr) return hooks[i];
|
|
return {};
|
|
}
|
|
|
|
HANDLE hostPipe;
|
|
|
|
private:
|
|
HANDLE section;
|
|
LPVOID sectionMap;
|
|
WinMutex sectionMutex;
|
|
};
|
|
|
|
ThreadEventCallback OnCreate, OnDestroy;
|
|
ProcessEventCallback OnAttach, OnDetach;
|
|
|
|
std::unordered_map<ThreadParam, std::shared_ptr<TextThread>> textThreadsByParams;
|
|
std::unordered_map<DWORD, std::unique_ptr<ProcessRecord>> processRecordsByIds;
|
|
|
|
std::recursive_mutex hostMutex;
|
|
|
|
DWORD DUMMY;
|
|
ThreadParam CONSOLE{ 0, -1ULL, -1ULL, -1ULL }, CLIPBOARD{ 0, 0, -1ULL, -1ULL };
|
|
|
|
void DispatchText(ThreadParam tp, const BYTE* text, int len)
|
|
{
|
|
LOCK(hostMutex);
|
|
if (textThreadsByParams[tp] == nullptr)
|
|
{
|
|
if (textThreadsByParams.size() > MAX_THREAD_COUNT) return Host::AddConsoleOutput(TOO_MANY_THREADS);
|
|
OnCreate(textThreadsByParams[tp] = std::make_shared<TextThread>(tp, Host::GetHookParam(tp), Host::GetHookName(tp)));
|
|
}
|
|
textThreadsByParams[tp]->Push(text, len);
|
|
}
|
|
|
|
void RemoveThreads(std::function<bool(ThreadParam)> removeIf)
|
|
{
|
|
LOCK(hostMutex);
|
|
for (auto it = textThreadsByParams.begin(); it != textThreadsByParams.end();)
|
|
if (auto curr = it++; removeIf(curr->first))
|
|
{
|
|
OnDestroy(curr->second);
|
|
textThreadsByParams.erase(curr->first);
|
|
}
|
|
}
|
|
|
|
void RegisterProcess(DWORD processId, HANDLE hostPipe)
|
|
{
|
|
LOCK(hostMutex);
|
|
processRecordsByIds.insert({ processId, std::make_unique<ProcessRecord>(processId, hostPipe) });
|
|
OnAttach(processId);
|
|
}
|
|
|
|
void UnregisterProcess(DWORD processId)
|
|
{
|
|
OnDetach(processId);
|
|
LOCK(hostMutex);
|
|
processRecordsByIds.erase(processId);
|
|
RemoveThreads([&](ThreadParam tp) { return tp.processId == processId; });
|
|
}
|
|
|
|
void CreatePipe()
|
|
{
|
|
std::thread([]
|
|
{
|
|
SECURITY_DESCRIPTOR pipeSD = {};
|
|
InitializeSecurityDescriptor(&pipeSD, SECURITY_DESCRIPTOR_REVISION);
|
|
SetSecurityDescriptorDacl(&pipeSD, TRUE, NULL, FALSE); // Allow non-admin processes to connect to pipe created by admin host
|
|
SECURITY_ATTRIBUTES pipeSA = { sizeof(SECURITY_ATTRIBUTES), &pipeSD, FALSE };
|
|
HANDLE hookPipe = CreateNamedPipeW(HOOK_PIPE, PIPE_ACCESS_INBOUND, PIPE_TYPE_MESSAGE | PIPE_READMODE_MESSAGE, PIPE_UNLIMITED_INSTANCES, 0, PIPE_BUFFER_SIZE, MAXDWORD, &pipeSA);
|
|
HANDLE hostPipe = CreateNamedPipeW(HOST_PIPE, PIPE_ACCESS_OUTBOUND, PIPE_TYPE_MESSAGE | PIPE_READMODE_MESSAGE, PIPE_UNLIMITED_INSTANCES, PIPE_BUFFER_SIZE, 0, MAXDWORD, &pipeSA);
|
|
ConnectNamedPipe(hookPipe, nullptr);
|
|
|
|
BYTE buffer[PIPE_BUFFER_SIZE] = {};
|
|
DWORD bytesRead, processId;
|
|
ReadFile(hookPipe, &processId, sizeof(processId), &bytesRead, nullptr);
|
|
RegisterProcess(processId, hostPipe);
|
|
|
|
CreatePipe();
|
|
|
|
while (ReadFile(hookPipe, buffer, PIPE_BUFFER_SIZE, &bytesRead, nullptr))
|
|
switch (*(HostNotificationType*)buffer)
|
|
{
|
|
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));
|
|
}
|
|
break;
|
|
default:
|
|
{
|
|
auto tp = *(ThreadParam*)buffer;
|
|
DispatchText(tp, buffer + sizeof(tp), bytesRead - sizeof(tp));
|
|
}
|
|
break;
|
|
}
|
|
|
|
UnregisterProcess(processId);
|
|
DisconnectNamedPipe(hookPipe);
|
|
DisconnectNamedPipe(hostPipe);
|
|
CloseHandle(hookPipe);
|
|
CloseHandle(hostPipe);
|
|
}).detach();
|
|
}
|
|
|
|
void StartCapturingClipboard()
|
|
{
|
|
std::thread([]
|
|
{
|
|
for (std::wstring last; true; Sleep(50))
|
|
if (auto text = Util::GetClipboardText())
|
|
if (last != text.value())
|
|
Host::GetThread(CLIPBOARD)->AddSentence(last = text.value());
|
|
}).detach();
|
|
}
|
|
}
|
|
|
|
namespace Host
|
|
{
|
|
void Start(ProcessEventCallback onAttach, ProcessEventCallback onDetach, ThreadEventCallback onCreate, ThreadEventCallback onDestroy, TextThread::OutputCallback output)
|
|
{
|
|
OnAttach = onAttach; OnDetach = onDetach; OnCreate = onCreate; OnDestroy = onDestroy; TextThread::Output = output;
|
|
RegisterProcess(CONSOLE.processId, INVALID_HANDLE_VALUE);
|
|
OnCreate(textThreadsByParams[CONSOLE] = std::make_shared<TextThread>(CONSOLE, HookParam{}, L"Console"));
|
|
OnCreate(textThreadsByParams[CLIPBOARD] = std::make_shared<TextThread>(CLIPBOARD, HookParam{}, L"Clipboard"));
|
|
StartCapturingClipboard();
|
|
CreatePipe();
|
|
}
|
|
|
|
void Close()
|
|
{
|
|
// Artikash 7/25/2018: This is only called when Textractor is closed, at which point Windows should free everything itself...right?
|
|
#ifdef _DEBUG // Check memory leaks
|
|
LOCK(hostMutex);
|
|
processRecordsByIds.clear();
|
|
textThreadsByParams.clear();
|
|
#endif
|
|
}
|
|
|
|
bool InjectProcess(DWORD processId, DWORD timeout)
|
|
{
|
|
if (processId == GetCurrentProcessId()) return false;
|
|
|
|
CloseHandle(CreateMutexW(nullptr, FALSE, (ITH_HOOKMAN_MUTEX_ + std::to_wstring(processId)).c_str()));
|
|
if (GetLastError() == ERROR_ALREADY_EXISTS)
|
|
{
|
|
AddConsoleOutput(ALREADY_INJECTED);
|
|
return false;
|
|
}
|
|
|
|
HMODULE textHooker = LoadLibraryExW(ITH_DLL, nullptr, DONT_RESOLVE_DLL_REFERENCES);
|
|
wchar_t textHookerPath[MAX_PATH];
|
|
DWORD textHookerPathSize = GetModuleFileNameW(textHooker, textHookerPath, MAX_PATH) * 2 + 2;
|
|
FreeLibrary(textHooker);
|
|
|
|
if (HANDLE processHandle = OpenProcess(PROCESS_ALL_ACCESS, FALSE, processId))
|
|
{
|
|
#ifdef _WIN64
|
|
BOOL invalidProcess = FALSE;
|
|
IsWow64Process(processHandle, &invalidProcess);
|
|
if (invalidProcess)
|
|
{
|
|
AddConsoleOutput(ARCHITECTURE_MISMATCH);
|
|
CloseHandle(processHandle);
|
|
return false;
|
|
}
|
|
#endif
|
|
if (LPVOID remoteData = VirtualAllocEx(processHandle, nullptr, textHookerPathSize, MEM_RESERVE | MEM_COMMIT, PAGE_READWRITE))
|
|
{
|
|
WriteProcessMemory(processHandle, remoteData, textHookerPath, textHookerPathSize, nullptr);
|
|
if (HANDLE thread = CreateRemoteThread(processHandle, nullptr, 0, (LPTHREAD_START_ROUTINE)LoadLibraryW, remoteData, 0, nullptr))
|
|
{
|
|
WaitForSingleObject(thread, timeout);
|
|
CloseHandle(thread);
|
|
VirtualFreeEx(processHandle, remoteData, 0, MEM_RELEASE);
|
|
CloseHandle(processHandle);
|
|
return true;
|
|
}
|
|
VirtualFreeEx(processHandle, remoteData, 0, MEM_RELEASE);
|
|
CloseHandle(processHandle);
|
|
}
|
|
}
|
|
|
|
AddConsoleOutput(INJECT_FAILED);
|
|
return false;
|
|
}
|
|
|
|
void DetachProcess(DWORD processId)
|
|
{
|
|
LOCK(hostMutex);
|
|
HostCommandType buffer(HOST_COMMAND_DETACH);
|
|
WriteFile(processRecordsByIds.at(processId)->hostPipe, &buffer, sizeof(buffer), &DUMMY, nullptr);
|
|
}
|
|
|
|
void InsertHook(DWORD processId, HookParam hp, std::string name)
|
|
{
|
|
LOCK(hostMutex);
|
|
InsertHookCmd buffer(hp, name);
|
|
WriteFile(processRecordsByIds.at(processId)->hostPipe, &buffer, sizeof(buffer), &DUMMY, nullptr);
|
|
}
|
|
|
|
void RemoveHook(DWORD processId, uint64_t addr)
|
|
{
|
|
LOCK(hostMutex);
|
|
RemoveHookCmd buffer(addr);
|
|
WriteFile(processRecordsByIds.at(processId)->hostPipe, &buffer, sizeof(buffer), &DUMMY, nullptr);
|
|
}
|
|
|
|
HookParam GetHookParam(DWORD processId, uint64_t addr)
|
|
{
|
|
LOCK(hostMutex);
|
|
return processRecordsByIds.at(processId)->GetHook(addr).hp;
|
|
}
|
|
|
|
std::wstring GetHookName(DWORD processId, uint64_t addr)
|
|
{
|
|
LOCK(hostMutex);
|
|
return Util::StringToWideString(processRecordsByIds.at(processId)->GetHook(addr).hookName);
|
|
}
|
|
|
|
std::shared_ptr<TextThread> GetThread(ThreadParam tp)
|
|
{
|
|
LOCK(hostMutex);
|
|
return textThreadsByParams[tp];
|
|
}
|
|
|
|
void AddConsoleOutput(std::wstring text)
|
|
{
|
|
GetThread(CONSOLE)->AddSentence(text);
|
|
}
|
|
}
|