mirror of
https://github.com/Artikash/Textractor.git
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118 lines
3.1 KiB
C++
118 lines
3.1 KiB
C++
// pipe.cc
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// 8/24/2013 jichi
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// Branch: ITH_DLL/pipe.cpp, rev 66
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// 8/24/2013 TODO: Clean up this file
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#ifdef _MSC_VER
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# pragma warning (disable:4100) // C4100: unreference formal parameter
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#endif // _MSC_VER
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#include "types.h"
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#include "main.h"
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#include "hijack/texthook.h"
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#include "engine/match.h"
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#include "defs.h"
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#include "const.h"
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#include "growl.h"
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HANDLE hookPipe;
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DWORD DUMMY[100];
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void CreatePipe()
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{
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CreateThread(nullptr, 0, [](LPVOID unused)
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{
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enum { STANDARD_WAIT = 50 };
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while (::running)
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{
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DWORD count = 0;
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BYTE buffer[PIPE_BUFFER_SIZE] = {};
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HANDLE hostPipe = ::hookPipe = INVALID_HANDLE_VALUE,
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pipeAcquisitionMutex = CreateMutexW(nullptr, TRUE, ITH_GRANTPIPE_MUTEX);
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while (::hookPipe == INVALID_HANDLE_VALUE || hostPipe == INVALID_HANDLE_VALUE)
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{
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if (::hookPipe == INVALID_HANDLE_VALUE)
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{
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::hookPipe = CreateFileW(ITH_TEXT_PIPE, GENERIC_WRITE, FILE_SHARE_READ, nullptr, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, nullptr);
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}
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if (hostPipe == INVALID_HANDLE_VALUE)
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{
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hostPipe = CreateFileW(ITH_COMMAND_PIPE, GENERIC_READ | FILE_WRITE_ATTRIBUTES, FILE_SHARE_READ, nullptr, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, nullptr);
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DWORD mode = PIPE_READMODE_MESSAGE;
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SetNamedPipeHandleState(hostPipe, &mode, NULL, NULL);
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}
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Sleep(STANDARD_WAIT);
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}
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*(DWORD*)buffer = GetCurrentProcessId();
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WriteFile(::hookPipe, buffer, sizeof(DWORD), &count, nullptr);
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ReleaseMutex(pipeAcquisitionMutex);
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CloseHandle(pipeAcquisitionMutex);
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ConsoleOutput("vnrcli:WaitForPipe: pipe connected");
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#ifdef _WIN64
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ConsoleOutput("Hooks don't work on x64, only read codes work. Engine disabled.");
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#else
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Engine::Hijack();
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#endif
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while (::running && ReadFile(hostPipe, buffer, PIPE_BUFFER_SIZE, &count, nullptr))
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switch (*(int*)buffer)
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{
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case HOST_COMMAND_NEW_HOOK:
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{
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auto info = *(InsertHookCmd*)buffer;
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NewHook(info.hp, info.name, 0);
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}
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break;
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case HOST_COMMAND_REMOVE_HOOK:
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{
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auto info = *(RemoveHookCmd*)buffer;
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for (int i = 0; i < MAX_HOOK; ++i)
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if (::hookman[i].Address() == info.address)
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::hookman[i].ClearHook();
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}
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break;
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case HOST_COMMAND_DETACH:
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{
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::running = false;
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}
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break;
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}
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CloseHandle(hostPipe);
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}
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FreeLibraryAndExitThread(GetModuleHandleW(ITH_DLL), 0);
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return (DWORD)0;
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}, nullptr, 0, nullptr);
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}
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void ConsoleOutput(LPCSTR text)
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{
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auto info = ConsoleOutputNotif(text);
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WriteFile(::hookPipe, &info, strlen(text) + sizeof(info), DUMMY, nullptr);
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}
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void NotifyHookInsert(HookParam hp, LPCSTR name)
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{
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//BYTE buffer[PIPE_BUFFER_SIZE];
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//*(DWORD*)buffer = HOST_NOTIFICATION;
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//*(DWORD*)(buffer + sizeof(DWORD)) = HOST_NOTIFICATION_NEWHOOK;
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//*(HookParam*)(buffer + sizeof(DWORD) * 2) = hp;
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//strcpy((char*)buffer + sizeof(DWORD) * 2 + sizeof(HookParam), name);
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//DWORD unused;
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//WriteFile(::hookPipe, buffer, strlen(name) + sizeof(DWORD) * 2 + sizeof(HookParam), &unused, nullptr);
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//return;
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}
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void NotifyHookRemove(unsigned __int64 addr)
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{
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auto info = HookRemovedNotif(addr);
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WriteFile(::hookPipe, &info, sizeof(info), DUMMY, nullptr);
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}
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// EOF
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