/// <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);
}
static uint createProcessAsUser(string cmdLine, IntPtr hToken, IntPtr envBlock)
{
try
{
WinApi.Advapi32.PROCESS_INFORMATION pi = new WinApi.Advapi32.PROCESS_INFORMATION();
WinApi.Advapi32.SECURITY_ATTRIBUTES saProcess = new WinApi.Advapi32.SECURITY_ATTRIBUTES();
WinApi.Advapi32.SECURITY_ATTRIBUTES saThread = new WinApi.Advapi32.SECURITY_ATTRIBUTES();
saProcess.Length = Marshal.SizeOf(saProcess);
saThread.Length = Marshal.SizeOf(saThread);
WinApi.Advapi32.STARTUPINFO si = new WinApi.Advapi32.STARTUPINFO();
si.cb = Marshal.SizeOf(si);
//if this member is NULL, the new process inherits the desktop
//and window station of its parent process. If this member is
//an empty string, the process does not inherit the desktop and
//window station of its parent process; instead, the system
//determines if a new desktop and window station need to be created.
//If the impersonated user already has a desktop, the system uses the
//existing desktop.
si.lpDesktop = @"WinSta0\Default"; //Modify as needed
si.dwFlags = WinApi.Advapi32.STARTF.USESHOWWINDOW | WinApi.Advapi32.STARTF.FORCEONFEEDBACK;
si.wShowWindow = WinApi.User32.SW_SHOW;
if (!WinApi.Advapi32.CreateProcessAsUser(
hToken,
null,
cmdLine,
ref saProcess,
ref saThread,
false,
WinApi.Advapi32.CreationFlags.CREATE_UNICODE_ENVIRONMENT,
envBlock,
null,
ref si,
out pi
))
{
throw new Exception("!CreateProcessAsUser. " + ErrorRoutines.GetLastError());
}
return(pi.dwProcessId);
}
//catch(Exception e)
//{
//}
finally
{
}
}
