bool QProcessPrivate::startDetached(const QString &program, const QStringList &arguments, const QString &workingDir, qint64 *pid)
{
Q_UNUSED(workingDir);
QString args = qt_create_commandline(QString(), arguments);
bool success = false;
PROCESS_INFORMATION pinfo;
QString fullPathProgram = program;
if (!QDir::isAbsolutePath(fullPathProgram))
fullPathProgram.prepend(QDir::currentPath().append(QLatin1Char('/')));
fullPathProgram.replace(QLatin1Char('/'), QLatin1Char('\\'));
success = CreateProcess((wchar_t*)fullPathProgram.utf16(),
(wchar_t*)args.utf16(),
0, 0, false, CREATE_NEW_CONSOLE, 0, 0, 0, &pinfo);
if (success) {
CloseHandle(pinfo.hThread);
CloseHandle(pinfo.hProcess);
if (pid)
*pid = pinfo.dwProcessId;
}
return success;
}
bool QProcessPrivate::startDetached(const QString &program, const QStringList &arguments, const QString &workingDir, qint64 *pid)
{
QString args = qt_create_commandline(program, arguments);
bool success = false;
PROCESS_INFORMATION pinfo;
STARTUPINFOW startupInfo = { sizeof( STARTUPINFO ), 0, 0, 0,
(ulong)CW_USEDEFAULT, (ulong)CW_USEDEFAULT,
(ulong)CW_USEDEFAULT, (ulong)CW_USEDEFAULT,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
success = CreateProcess(0, (wchar_t*)args.utf16(),
0, 0, FALSE, CREATE_UNICODE_ENVIRONMENT | CREATE_NEW_CONSOLE, 0,
workingDir.isEmpty() ? 0 : (wchar_t*)workingDir.utf16(),
&startupInfo, &pinfo);
if (success) {
CloseHandle(pinfo.hThread);
CloseHandle(pinfo.hProcess);
if (pid)
*pid = pinfo.dwProcessId;
}
return success;
}
bool QProcessPrivate::startDetached(const QString &program, const QStringList &arguments, const QString &workingDir, qint64 *pid)
{
#if defined(Q_OS_WINCE)
Q_UNUSED(workingDir);
QString args = qt_create_commandline(QString(), arguments);
#else
QString args = qt_create_commandline(program, arguments);
#endif
bool success = false;
PROCESS_INFORMATION pinfo;
#if defined(Q_OS_WINCE)
QString fullPathProgram = program;
if (!QDir::isAbsolutePath(fullPathProgram))
fullPathProgram.prepend(QDir::currentPath().append(QLatin1Char('/')));
fullPathProgram.replace(QLatin1Char('/'), QLatin1Char('\\'));
success = CreateProcess((wchar_t*)fullPathProgram.utf16(),
(wchar_t*)args.utf16(),
0, 0, false, CREATE_NEW_CONSOLE, 0, 0, 0, &pinfo);
#else
STARTUPINFOW startupInfo = { sizeof( STARTUPINFO ), 0, 0, 0,
(ulong)CW_USEDEFAULT, (ulong)CW_USEDEFAULT,
(ulong)CW_USEDEFAULT, (ulong)CW_USEDEFAULT,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
success = CreateProcess(0, (wchar_t*)args.utf16(),
0, 0, FALSE, CREATE_UNICODE_ENVIRONMENT | CREATE_NEW_CONSOLE, 0,
workingDir.isEmpty() ? 0 : (wchar_t*)workingDir.utf16(),
&startupInfo, &pinfo);
#endif // Q_OS_WINCE
if (success) {
CloseHandle(pinfo.hThread);
CloseHandle(pinfo.hProcess);
if (pid)
*pid = pinfo.dwProcessId;
}
return success;
}
bool AdminAuthorization::execute(const QString &program, const QStringList &arguments)
{
// AdminAuthorization::execute uses UAC to ask for admin privileges. If the user is no
// administrator yet and the computer's policies are set to not use UAC (which is the case
// in some corporate networks), the call to execute() will simply succeed and not at all
// launch the child process. To avoid this, we detect this situation here and return early.
if (!hasAdminRights())
{
QLatin1String key("HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\"
"Policies\\System");
QSettings registry(key, QSettings::NativeFormat);
const QVariant enableLUA = registry.value(QLatin1String("EnableLUA"));
if ((enableLUA.type() == QVariant::Int) && (enableLUA.toInt() == 0))
{
return false;
}
}
const QString file = QDir::toNativeSeparators(program);
const QString args = qt_create_commandline(QString(), arguments);
SHELLEXECUTEINFOW shellExecuteInfo = { 0 };
shellExecuteInfo.nShow = SW_HIDE;
shellExecuteInfo.lpVerb = L"runas";
shellExecuteInfo.lpFile = (wchar_t *)file.utf16();
shellExecuteInfo.cbSize = sizeof(SHELLEXECUTEINFOW);
shellExecuteInfo.lpParameters = (wchar_t *)args.utf16();
shellExecuteInfo.fMask = SEE_MASK_NOASYNC;
qDebug() << QString::fromLatin1("Starting elevated process %1 with arguments: %2.").arg(file, args);
if (ShellExecuteExW(&shellExecuteInfo))
{
qDebug() << "Finished starting elevated process.";
return true;
}
else
{
qWarning() << QString::fromLatin1("Error while starting elevated process: %1, "
"Error: %2").arg(program, windowsErrorString(GetLastError()));
}
return false;
}
void QProcessPrivate::startProcess()
{
Q_Q(QProcess);
bool success = false;
if (pid) {
CloseHandle(pid->hThread);
CloseHandle(pid->hProcess);
delete pid;
pid = 0;
}
pid = new PROCESS_INFORMATION;
memset(pid, 0, sizeof(PROCESS_INFORMATION));
q->setProcessState(QProcess::Starting);
QString args = qt_create_commandline(QString(), arguments);
if (!nativeArguments.isEmpty()) {
if (!args.isEmpty())
args += QLatin1Char(' ');
args += nativeArguments;
}
#if defined QPROCESS_DEBUG
qDebug("Creating process");
qDebug(" program : [%s]", program.toLatin1().constData());
qDebug(" args : %s", args.toLatin1().constData());
qDebug(" pass environment : %s", environment.isEmpty() ? "no" : "yes");
#endif
QString fullPathProgram = program;
if (!QDir::isAbsolutePath(fullPathProgram))
fullPathProgram = QFileInfo(fullPathProgram).absoluteFilePath();
fullPathProgram.replace(QLatin1Char('/'), QLatin1Char('\\'));
success = CreateProcess((wchar_t*)fullPathProgram.utf16(),
(wchar_t*)args.utf16(),
0, 0, false, 0, 0, 0, 0, pid);
if (!success) {
cleanup();
processError = QProcess::FailedToStart;
emit q->error(processError);
q->setProcessState(QProcess::NotRunning);
return;
}
q->setProcessState(QProcess::Running);
// User can call kill()/terminate() from the stateChanged() slot
// so check before proceeding
if (!pid)
return;
if (threadData->hasEventDispatcher()) {
processFinishedNotifier = new QWinEventNotifier(pid->hProcess, q);
QObject::connect(processFinishedNotifier, SIGNAL(activated(HANDLE)), q, SLOT(_q_processDied()));
processFinishedNotifier->setEnabled(true);
}
// give the process a chance to start ...
Sleep(SLEEPMIN * 2);
_q_startupNotification();
}
void QProcessPrivate::startProcess()
{
Q_Q(QProcess);
bool success = false;
if (pid) {
CloseHandle(pid->hThread);
CloseHandle(pid->hProcess);
delete pid;
pid = 0;
}
pid = new PROCESS_INFORMATION;
memset(pid, 0, sizeof(PROCESS_INFORMATION));
q->setProcessState(QProcess::Starting);
if (!createChannel(stdinChannel) ||
!createChannel(stdoutChannel) ||
!createChannel(stderrChannel))
return;
QString args = qt_create_commandline(program, arguments);
QByteArray envlist;
if (environment.d.constData())
envlist = qt_create_environment(environment.d.constData()->hash);
if (!nativeArguments.isEmpty()) {
if (!args.isEmpty())
args += QLatin1Char(' ');
args += nativeArguments;
}
#if defined QPROCESS_DEBUG
qDebug("Creating process");
qDebug(" program : [%s]", program.toLatin1().constData());
qDebug(" args : %s", args.toLatin1().constData());
qDebug(" pass environment : %s", environment.isEmpty() ? "no" : "yes");
#endif
// Forwarded channels must not set the CREATE_NO_WINDOW flag because this
// will render the stdout/stderr handles we're passing useless.
DWORD dwCreationFlags = (processChannelMode == QProcess::ForwardedChannels ? 0 : CREATE_NO_WINDOW);
dwCreationFlags |= CREATE_UNICODE_ENVIRONMENT;
STARTUPINFOW startupInfo = { sizeof( STARTUPINFO ), 0, 0, 0,
(ulong)CW_USEDEFAULT, (ulong)CW_USEDEFAULT,
(ulong)CW_USEDEFAULT, (ulong)CW_USEDEFAULT,
0, 0, 0,
STARTF_USESTDHANDLES,
0, 0, 0,
stdinChannel.pipe[0], stdoutChannel.pipe[1], stderrChannel.pipe[1]
};
success = CreateProcess(0, (wchar_t*)args.utf16(),
0, 0, TRUE, dwCreationFlags,
environment.isEmpty() ? 0 : envlist.data(),
workingDirectory.isEmpty() ? 0 : (wchar_t*)QDir::toNativeSeparators(workingDirectory).utf16(),
&startupInfo, pid);
if (!success) {
// Capture the error string before we do CloseHandle below
q->setErrorString(QProcess::tr("Process failed to start: %1").arg(qt_error_string()));
}
if (stdinChannel.pipe[0] != INVALID_Q_PIPE) {
CloseHandle(stdinChannel.pipe[0]);
stdinChannel.pipe[0] = INVALID_Q_PIPE;
}
if (stdoutChannel.pipe[1] != INVALID_Q_PIPE) {
CloseHandle(stdoutChannel.pipe[1]);
stdoutChannel.pipe[1] = INVALID_Q_PIPE;
}
if (stderrChannel.pipe[1] != INVALID_Q_PIPE) {
CloseHandle(stderrChannel.pipe[1]);
stderrChannel.pipe[1] = INVALID_Q_PIPE;
}
if (!success) {
cleanup();
processError = QProcess::FailedToStart;
emit q->error(processError);
q->setProcessState(QProcess::NotRunning);
return;
}
q->setProcessState(QProcess::Running);
// User can call kill()/terminate() from the stateChanged() slot
// so check before proceeding
if (!pid)
return;
if (threadData->eventDispatcher) {
processFinishedNotifier = new QWinEventNotifier(pid->hProcess, q);
QObject::connect(processFinishedNotifier, SIGNAL(activated(HANDLE)), q, SLOT(_q_processDied()));
processFinishedNotifier->setEnabled(true);
notifier = new QTimer(q);
QObject::connect(notifier, SIGNAL(timeout()), q, SLOT(_q_notified()));
notifier->start(NOTIFYTIMEOUT);
}
_q_startupNotification();
}
QString QInstaller::createCommandline(const QString &program, const QStringList &arguments)
{
return qt_create_commandline(program, arguments);
}
