/// <summary>
/// !!! to be checked
/// </summary>
/// <param name="appPath"></param>
/// <param name="cmdLine"></param>
/// <param name="workDir"></param>
/// <param name="visible"></param>
/// <returns></returns>
public static bool StartProcessAsCurrentUser(string appPath, string cmdLine = null, string workDir = null, bool visible = true)
{
var hUserToken = IntPtr.Zero;
Advapi32.STARTUPINFO startInfo = new Advapi32.STARTUPINFO();
WinApi.Advapi32.PROCESS_INFORMATION procInfo = default;
var pEnv = IntPtr.Zero;
int iResultOfCreateProcessAsUser;
startInfo.cb = Marshal.SizeOf(typeof(Advapi32.STARTUPINFO));
try
{
if (!getActiveSessionUserToken(ref hUserToken))
{
throw new Exception("StartProcessAsCurrentUser: GetSessionUserToken failed.");
}
Advapi32.CreationFlags dwCreationFlags = Advapi32.CreationFlags.CREATE_UNICODE_ENVIRONMENT | (visible ? Advapi32.CreationFlags.CREATE_NEW_CONSOLE : Advapi32.CreationFlags.CREATE_NO_WINDOW);
startInfo.wShowWindow = (short)(visible ? User32.SW.SW_SHOW : User32.SW.SW_HIDE);
//startInfo.lpDesktop = "winsta0\\default";
if (!Userenv.CreateEnvironmentBlock(ref pEnv, hUserToken, false))
{
throw new Exception("StartProcessAsCurrentUser: CreateEnvironmentBlock failed.");
}
if (!Advapi32.CreateProcessAsUser(hUserToken,
appPath, // Application Name
cmdLine, // Command Line
null,
null,
false,
dwCreationFlags,
pEnv,
workDir, // Working directory
startInfo,
procInfo))
{
iResultOfCreateProcessAsUser = Marshal.GetLastWin32Error();
throw new Exception("StartProcessAsCurrentUser: CreateProcessAsUser failed. Error Code -" + iResultOfCreateProcessAsUser);
}
iResultOfCreateProcessAsUser = Marshal.GetLastWin32Error();
}
finally
{
Kernel32.CloseHandle(hUserToken);
if (pEnv != IntPtr.Zero)
{
Userenv.DestroyEnvironmentBlock(pEnv);
}
Kernel32.CloseHandle(procInfo.hThread);
Kernel32.CloseHandle(procInfo.hProcess);
}
return(true);
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////
// Start, Stop, Pause, Resume, etc //
//////////////////////////////////////////////////////////////////////////////////////////////////////////
#region Start/Stop/Pause/Resume/etc
/// <summary>
/// Start the process.
/// </summary>
/// <exception cref="Win32Exception"></exception>
internal void StartProcess(string username)
{
//CloseProcess old instances
StopProcess();
var startupInfo = new Kernel32.StartupInfo();
var processInformation = new Kernel32.ProcessInformation();
IntPtr environment = IntPtr.Zero;
//Flags that specify the priority and creation method of the process
Kernel32.CreationFlags creationFlags = Kernel32.CreationFlags.CreateUnicodeEnvironment | //Windows 7+ always using the unicode environment
Kernel32.CreationFlags.CreateNewConsole |
_serviceDefinition.ProcessPriority.ConvertToCreationFlag();
//Set the startupinfo
startupInfo.cb = (uint)Marshal.SizeOf(startupInfo);
startupInfo.desktop = "winsta0\\default";
//Create command line arguments
var cmdLine = "";
if (string.Equals(Path.GetExtension(_serviceDefinition.BinaryPath), ".bat", StringComparison.OrdinalIgnoreCase))
{
cmdLine = "cmd.exe /c";
}
cmdLine += BuildDoubleQuotedString(_serviceDefinition.BinaryPath);
if (!string.IsNullOrWhiteSpace(_serviceDefinition.Arguments))
{
cmdLine += " " + _serviceDefinition.Arguments;
}
try
{
if (string.IsNullOrWhiteSpace(username))
{
//Set last start in user session
_lastStartInUserSession = false;
_lastSessionUsername = string.Empty;
if (!Kernel32.CreateProcess(
null,
cmdLine,
null,
null,
false,
creationFlags,
IntPtr.Zero, //TODO: Change
Path.GetDirectoryName(_serviceDefinition.BinaryPath),
ref startupInfo,
out processInformation))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
}
else
{
//Set last start in user session
_lastStartInUserSession = true;
_lastSessionUsername = username;
//Get user token
using (SafeAccessTokenHandle token = TokenHelper.GetPrimaryTokenByUsername(username))
{
if (token == null)
{
throw new Exception("GetPrimaryTokenByUsername: No valid session found.");
}
//Create environment block
if (!Userenv.CreateEnvironmentBlock(ref environment, token, false))
{
throw new Exception("StartInUserSession: CreateEnvironmentBlock failed.");
}
WindowsIdentity.RunImpersonated(token, () =>
{
if (!Advapi32.CreateProcessAsUser(
token,
null,
cmdLine,
null,
null,
false,
creationFlags,
environment,
Path.GetDirectoryName(_serviceDefinition.BinaryPath),
ref startupInfo,
out processInformation))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
});
}
}
}
finally
{
if (environment != IntPtr.Zero)
{
Userenv.DestroyEnvironmentBlock(environment);
}
if (processInformation.processHandle != IntPtr.Zero)
{
Kernel32.CloseHandle(processInformation.processHandle);
}
if (processInformation.threadHandle != IntPtr.Zero)
{
Kernel32.CloseHandle(processInformation.threadHandle);
}
}
//Get process and enable raising events
_process = Process.GetProcessById((int)processInformation.processId);
_process.EnableRaisingEvents = true;
_process.Exited += ProcessOnExited;
//Assign process to job
if (KillChildProcessJob.IsSupportedWindowsVersion)
{
_killChildProcessJob.AssignProcess(_process);
}
_lastRestartTime = DateTime.UtcNow;
//Trigger event to update pid
OnUpdateProcessPid(processInformation.processId);
}
