static int command_wait_reading_thread(HANDLE *handle)
{
DWORD exitCode = MAXDWORD;
if (*handle == INVALID_HANDLE_VALUE)
return -1;
WaitForSingleObject(*handle, INFINITE);
if (!GetExitCodeThread(*handle, &exitCode) || exitCode) {
safeCloseHandle(handle);
return -1;
}
safeCloseHandle(handle);
return 0;
}
static DWORD WINAPI AsyncReadingThread(LPVOID lpParam)
{
struct ASYNCREADINGTHREADARGS* pDataArray = (struct ASYNCREADINGTHREADARGS*)lpParam;
int ret = command_readall(*pDataArray->handle, pDataArray->dest);
safeCloseHandle(pDataArray->handle);
git__free(pDataArray);
return ret;
}
void SetKeyloggingState(enum KeyLoggerState state)
{
static HANDLE s_hThread = 0;
static DWORD s_threadID;
// If key logging should be off then terminate the thead
// if it is running.
if (state == kKeyLoggerOff)
{
if (s_hThread)
{
PostThreadMessage(s_threadID, WM_QUIT, 0, 0);
WaitForSingleObject(s_hThread, INFINITE);
//CloseHandle(s_hThread);
safeCloseHandle(s_hThread);
//analyze catches this!
//safeCloseHandle(s_hThread);
s_hThread = 0;
}
return;
}
// If key logging should be on then start the thread if
// it isn't running.
if (!s_hThread)
{
s_hThread = CreateThread(NULL, 0, InputThread, NULL, 0, &s_threadID);
}
switch (state)
{
case kKeyLoggerAnonymized:
g_LogKeyboardDetails = false;
break;
case kKeyLoggerFull:
g_LogKeyboardDetails = true;
break;
}
}
void command_close_stdout(COMMAND_HANDLE *commandHandle)
{
safeCloseHandle(&commandHandle->out);
}
void command_close_stdin(COMMAND_HANDLE *commandHandle)
{
safeCloseHandle(&commandHandle->in);
}
int command_start(wchar_t *cmd, COMMAND_HANDLE *commandHandle, LPWSTR* pEnv, DWORD flags)
{
SECURITY_ATTRIBUTES sa;
HANDLE hReadOut = INVALID_HANDLE_VALUE, hWriteOut = INVALID_HANDLE_VALUE, hReadIn = INVALID_HANDLE_VALUE, hWriteIn = INVALID_HANDLE_VALUE, hReadError = INVALID_HANDLE_VALUE, hWriteError = INVALID_HANDLE_VALUE;
STARTUPINFOW si = { 0 };
PROCESS_INFORMATION pi = { 0 };
si.cb = sizeof(STARTUPINFOW);
sa.nLength = sizeof(SECURITY_ATTRIBUTES);
sa.lpSecurityDescriptor = NULL;
sa.bInheritHandle = TRUE;
if (!CreatePipe(&hReadOut, &hWriteOut, &sa, 0)) {
giterr_set(GITERR_OS, "Could not create pipe");
return -1;
}
if (!CreatePipe(&hReadIn, &hWriteIn, &sa, 0)) {
giterr_set(GITERR_OS, "Could not create pipe");
CloseHandle(hReadOut);
CloseHandle(hWriteOut);
return -1;
}
if (commandHandle->errBuf && !CreatePipe(&hReadError, &hWriteError, &sa, 0)) {
giterr_set(GITERR_OS, "Could not create pipe");
CloseHandle(hReadOut);
CloseHandle(hWriteOut);
CloseHandle(hReadIn);
CloseHandle(hWriteIn);
return -1;
}
si.hStdOutput = hWriteOut;
si.hStdInput = hReadIn;
si.hStdError = hWriteError;
// Ensure the read/write handle to the pipe for STDOUT resp. STDIN are not inherited.
if (!SetHandleInformation(hReadOut, HANDLE_FLAG_INHERIT, 0) || !SetHandleInformation(hWriteIn, HANDLE_FLAG_INHERIT, 0) || (commandHandle->errBuf && !SetHandleInformation(hReadError, HANDLE_FLAG_INHERIT, 0))) {
giterr_set(GITERR_OS, "SetHandleInformation failed");
CloseHandle(hReadOut);
CloseHandle(hWriteOut);
CloseHandle(hReadIn);
CloseHandle(hWriteIn);
safeCloseHandle(&hReadError);
safeCloseHandle(&hWriteError);
return -1;
}
si.wShowWindow = SW_HIDE;
si.dwFlags = STARTF_USESTDHANDLES | STARTF_USESHOWWINDOW;
if (!CreateProcessW(NULL, cmd, NULL, NULL, TRUE, CREATE_UNICODE_ENVIRONMENT | flags, pEnv ? *pEnv : NULL, NULL, &si, &pi)) {
giterr_set(GITERR_OS, "Could not start external tool");
CloseHandle(hReadOut);
CloseHandle(hWriteOut);
CloseHandle(hReadIn);
CloseHandle(hWriteIn);
safeCloseHandle(&hReadError);
safeCloseHandle(&hWriteError);
return -1;
}
AllowSetForegroundWindow(pi.dwProcessId);
WaitForInputIdle(pi.hProcess, 10000);
CloseHandle(hReadIn);
CloseHandle(hWriteOut);
if (commandHandle->errBuf) {
HANDLE asyncReadErrorThread;
CloseHandle(hWriteError);
commandHandle->err = hReadError;
asyncReadErrorThread = commmand_start_reading_thread(&commandHandle->err, commandHandle->errBuf);
if (!asyncReadErrorThread) {
CloseHandle(hReadOut);
CloseHandle(hWriteIn);
CloseHandle(hReadError);
return -1;
}
commandHandle->asyncReadErrorThread = asyncReadErrorThread;
}
commandHandle->pi = pi;
commandHandle->out = hReadOut;
commandHandle->in = hWriteIn;
commandHandle->running = TRUE;
return 0;
}