private void OnOutputDataReceived(object sender, DataReceivedEventArgs e)
{
if (_isDisposed)
{
return;
}
if (e.Data == null)
{
bool shouldExit;
lock (_seenNullLock) {
_seenNullInOutput = true;
shouldExit = _seenNullInError || !_process.StartInfo.RedirectStandardError;
}
if (shouldExit)
{
OnExited(_process, EventArgs.Empty);
}
}
else if (!string.IsNullOrEmpty(e.Data))
{
foreach (var line in SplitLines(e.Data))
{
if (_output != null)
{
_output.Add(line);
}
if (_redirector != null)
{
_redirector.WriteLine(line);
}
}
}
}
/// <summary>
/// Runs the file with the provided settings as a user with
/// administrative permissions. The window is always hidden and output
/// is provided to the redirector when the process terminates.
/// </summary>
/// <param name="filename">Executable file to run.</param>
/// <param name="arguments">Arguments to pass.</param>
/// <param name="workingDirectory">Starting directory.</param>
/// <param name="redirector">
/// An object to receive redirected output.
/// </param>
/// <param name="quoteArgs"></param>
/// <returns>A <see cref="ProcessOutput"/> object.</returns>
public static ProcessOutput RunElevated(
string filename,
IEnumerable <string> arguments,
string workingDirectory,
Redirector redirector,
bool quoteArgs = true,
Encoding outputEncoding = null,
Encoding errorEncoding = null
)
{
var outFile = Path.GetTempFileName();
var errFile = Path.GetTempFileName();
var psi = new ProcessStartInfo(Path.Combine(Environment.SystemDirectory, "cmd.exe"))
{
CreateNoWindow = true,
WindowStyle = ProcessWindowStyle.Hidden,
UseShellExecute = true,
Verb = "runas"
};
string args;
if (quoteArgs)
{
args = string.Join(" ", arguments.Where(a => a != null).Select(QuoteSingleArgument));
}
else
{
args = string.Join(" ", arguments.Where(a => a != null));
}
psi.Arguments = string.Format("/S /C \"{0} {1} >>{2} 2>>{3}\"",
QuoteSingleArgument(filename),
args,
QuoteSingleArgument(outFile),
QuoteSingleArgument(errFile)
);
psi.WorkingDirectory = workingDirectory;
psi.CreateNoWindow = true;
psi.UseShellExecute = true;
var process = new Process();
process.StartInfo = psi;
var result = new ProcessOutput(process, redirector);
if (redirector != null)
{
result.Exited += (s, e) => {
try {
try {
var lines = File.ReadAllLines(outFile, outputEncoding ?? Encoding.Default);
foreach (var line in lines)
{
redirector.WriteLine(line);
}
} catch (Exception ex) {
if (IsCriticalException(ex))
{
throw;
}
redirector.WriteErrorLine("Failed to obtain standard output from elevated process.");
#if DEBUG
foreach (var line in SplitLines(ex.ToString()))
{
redirector.WriteErrorLine(line);
}
#else
Trace.TraceError("Failed to obtain standard output from elevated process.");
Trace.TraceError(ex.ToString());
#endif
}
try {
var lines = File.ReadAllLines(errFile, errorEncoding ?? outputEncoding ?? Encoding.Default);
foreach (var line in lines)
{
redirector.WriteErrorLine(line);
}
} catch (Exception ex) {
if (IsCriticalException(ex))
{
throw;
}
redirector.WriteErrorLine("Failed to obtain standard error from elevated process.");
#if DEBUG
foreach (var line in SplitLines(ex.ToString()))
{
redirector.WriteErrorLine(line);
}
#else
Trace.TraceError("Failed to obtain standard error from elevated process.");
Trace.TraceError(ex.ToString());
#endif
}
} finally {
try {
File.Delete(outFile);
} catch { }
try {
File.Delete(errFile);
} catch { }
}
};
}
return(result);
}
/// <summary>
/// Runs the file with the provided settings as a user with
/// administrative permissions. The window is always hidden and output
/// is provided to the redirector when the process terminates.
/// </summary>
/// <param name="filename">Executable file to run.</param>
/// <param name="arguments">Arguments to pass.</param>
/// <param name="workingDirectory">Starting directory.</param>
/// <param name="redirector">
/// An object to receive redirected output.
/// </param>
/// <param name="quoteArgs"></param>
/// <returns>A <see cref="ProcessOutput"/> object.</returns>
public static ProcessOutput RunElevated(
string filename,
IEnumerable<string> arguments,
string workingDirectory,
Redirector redirector,
bool quoteArgs = true,
Encoding outputEncoding = null,
Encoding errorEncoding = null
) {
var outFile = Path.GetTempFileName();
var errFile = Path.GetTempFileName();
var psi = new ProcessStartInfo("cmd.exe");
psi.CreateNoWindow = true;
psi.WindowStyle = ProcessWindowStyle.Hidden;
psi.UseShellExecute = true;
psi.Verb = "runas";
string args;
if (quoteArgs) {
args = string.Join(" ", arguments.Where(a => a != null).Select(QuoteSingleArgument));
} else {
args = string.Join(" ", arguments.Where(a => a != null));
}
psi.Arguments = string.Format("/S /C \"{0} {1} >>{2} 2>>{3}\"",
QuoteSingleArgument(filename),
args,
QuoteSingleArgument(outFile),
QuoteSingleArgument(errFile)
);
psi.WorkingDirectory = workingDirectory;
psi.CreateNoWindow = true;
psi.UseShellExecute = true;
var process = new Process();
process.StartInfo = psi;
var result = new ProcessOutput(process, redirector);
if (redirector != null) {
result.Exited += (s, e) => {
try {
try {
var lines = File.ReadAllLines(outFile, outputEncoding ?? Encoding.Default);
foreach (var line in lines) {
redirector.WriteLine(line);
}
} catch (Exception ex) {
if (IsCriticalException(ex)) {
throw;
}
redirector.WriteErrorLine("Failed to obtain standard output from elevated process.");
#if DEBUG
foreach (var line in SplitLines(ex.ToString())) {
redirector.WriteErrorLine(line);
}
#else
Trace.TraceError("Failed to obtain standard output from elevated process.");
Trace.TraceError(ex.ToString());
#endif
}
try {
var lines = File.ReadAllLines(errFile, errorEncoding ?? outputEncoding ?? Encoding.Default);
foreach (var line in lines) {
redirector.WriteErrorLine(line);
}
} catch (Exception ex) {
if (IsCriticalException(ex)) {
throw;
}
redirector.WriteErrorLine("Failed to obtain standard error from elevated process.");
#if DEBUG
foreach (var line in SplitLines(ex.ToString())) {
redirector.WriteErrorLine(line);
}
#else
Trace.TraceError("Failed to obtain standard error from elevated process.");
Trace.TraceError(ex.ToString());
#endif
}
} finally {
try {
File.Delete(outFile);
} catch { }
try {
File.Delete(errFile);
} catch { }
}
};
}
return result;
}
