private static Process CreateProcessAsUser(IntPtr token, string appName, string appArgs)
{
Win32.SecurityAttributes sa = new Win32.SecurityAttributes();
sa.nLength = (UInt32)Marshal.SizeOf(sa);
Win32.Startupinfo si = new Win32.Startupinfo();
si.cb = (UInt32)Marshal.SizeOf(si);
return(CreateProcessAsUser(token, appName, appArgs, sa, sa, false, 0, IntPtr.Zero, null, si));
}
public bool Initialise()
{
IntPtr userToken = GetUserToken(UserName, Environment.MachineName, Password);
if (userToken == IntPtr.Zero)
{
return(false);
}
IntPtr userRegToken = LoadUserProfile(userToken, UserName);
if (userRegToken == IntPtr.Zero)
{
return(false);
}
if (Win32.CreateEnvironmentBlock(out IntPtr envBlock, userToken, 0) == 0)
{
return(false);
}
Win32.SecurityAttributes sa = new Win32.SecurityAttributes();
sa.nLength = (UInt32)Marshal.SizeOf(sa);
Win32.Startupinfo si = new Win32.Startupinfo();
si.cb = (UInt32)Marshal.SizeOf(si);
Process process = CreateProcessAsUser(userToken, null, ConfigHelper.CommandName, sa, sa, false, 0, IntPtr.Zero, null, si);
if (process == null)
{
return(false);
}
if (Win32.UnloadUserProfile(userToken, userRegToken) == 0)
{
return(false);
}
if (Win32.CloseHandle(envBlock) == 0)
{
return(false);
}
if (!ReleaseToken(userToken))
{
return(false);
}
process.WaitForExit();
return(true);
}
private static Process CreateProcessAsUser(IntPtr token, string appName, string appArgs,
Win32.SecurityAttributes processAttributes, Win32.SecurityAttributes threadAttributes,
bool inheritHandles, UInt32 creationFlags, IntPtr environment, string currentDir,
Win32.Startupinfo startupInfo)
{
Win32.ProcessInformation pi = new Win32.ProcessInformation();
if (Win32.CreateProcessAsUser(token, appName, appArgs, ref processAttributes, ref threadAttributes,
inheritHandles ? 1 : 0, creationFlags, environment, currentDir, ref startupInfo, out pi) == 0)
{
Program.Log.Error($"CreateProcessAsUser failed with error code: {Marshal.GetLastWin32Error()}");
return(null);
}
try
{
return(Process.GetProcessById((Int32)pi.dwProcessId));
}
catch (ArgumentException ex)
{
Program.Log.Error($"Process with id {pi.dwProcessId} does not exist. {ex.Message}");
return(null);
}
}