public static SafeHandle GetCurrentAccessToken()
{
IntPtr originalToken = Constants.INVALID_HANDLE_VALUE;
IntPtr threadPSeudoHandle = Kernel32.GetCurrentThread();
if (!AdvApi32PInvoke.OpenThreadToken(threadPSeudoHandle,
AdvApi32PInvoke.TOKEN_QUERY
| AdvApi32PInvoke.TOKEN_DUPLICATE
| AdvApi32PInvoke.TOKEN_ASSIGN_PRIMARY
| AdvApi32PInvoke.TOKEN_ADJUST_DEFAULT
| AdvApi32PInvoke.TOKEN_ADJUST_SESSIONID, false, out originalToken))
{
var lastWin32Error = Marshal.GetLastWin32Error();
if (lastWin32Error != ErrorCodes.ERROR_NO_TOKEN)
{
throw new Win32Exception(lastWin32Error);
}
var processPseudohandle = Kernel32.GetCurrentProcess();
if (!AdvApi32PInvoke.OpenProcessToken(processPseudohandle,
AdvApi32PInvoke.TOKEN_QUERY
| AdvApi32PInvoke.TOKEN_DUPLICATE
| AdvApi32PInvoke.TOKEN_ASSIGN_PRIMARY
| AdvApi32PInvoke.TOKEN_ADJUST_DEFAULT
| AdvApi32PInvoke.TOKEN_ADJUST_SESSIONID, out originalToken))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
}
return(new SafeFileHandle(originalToken, true));
}
public override void Specify()
{
it("can run code like Luke's code", delegate
{
using (SafeHandle hToken = AccessToken.GetCurrentAccessToken())
{
IntPtr hDuplicate = AccessToken.DuplicateTokenAsPrimaryToken(hToken).DangerousGetHandle();
string commandLine = ("powershell");
var startupInfo = StartupInfoWithOutputStreams.Create();
AdvApi32PInvoke.PROCESS_INFORMATION processInformation = new AdvApi32PInvoke.PROCESS_INFORMATION();
if (!AdvApi32PInvoke.CreateProcessWithTokenW(hDuplicate,
AdvApi32PInvoke.LogonFlags.LOGON_WITH_PROFILE, null, commandLine, 0, Constants.NULL,
Constants.NULL, ref startupInfo.STARTUP_INFO, out processInformation))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
Kernel32.CloseHandle(hDuplicate);
Kernel32.CloseHandle(processInformation.hThread);
Kernel32.TerminateProcess(processInformation.hProcess, 0);
Kernel32.CloseHandle(processInformation.hProcess);
}
});
it("can run Luke's code", delegate
{
IntPtr hToken;
if (!AdvApi32PInvoke.OpenProcessToken(Kernel32.GetCurrentProcess(), AdvApi32PInvoke.TOKEN_DUPLICATE, out hToken))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
IntPtr hDuplicate;
if (!AdvApi32PInvoke.DuplicateTokenEx(hToken,
AdvApi32PInvoke.TOKEN_ASSIGN_PRIMARY |
AdvApi32PInvoke.TOKEN_DUPLICATE |
AdvApi32PInvoke.TOKEN_QUERY |
AdvApi32PInvoke.TOKEN_ADJUST_DEFAULT |
AdvApi32PInvoke.TOKEN_ADJUST_SESSIONID,
Constants.NULL, AdvApi32PInvoke.SECURITY_IMPERSONATION_LEVEL.SecurityImpersonation,
AdvApi32PInvoke.TOKEN_TYPE.TokenPrimary, out hDuplicate))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
string commandLine = ("powershell");
AdvApi32PInvoke.STARTUPINFO startupInfo = new AdvApi32PInvoke.STARTUPINFO();
startupInfo.cb = Marshal.SizeOf(typeof(AdvApi32PInvoke.STARTUPINFO));
AdvApi32PInvoke.PROCESS_INFORMATION processInformation =
new AdvApi32PInvoke.PROCESS_INFORMATION();
if (
!AdvApi32PInvoke.CreateProcessWithTokenW(hDuplicate,
AdvApi32PInvoke.LogonFlags.LOGON_WITH_PROFILE, null, commandLine, 0, Constants.NULL,
Constants.NULL, ref startupInfo, out processInformation))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
Kernel32.CloseHandle(hToken);
Kernel32.CloseHandle(hDuplicate);
Kernel32.CloseHandle(processInformation.hThread);
Kernel32.TerminateProcess(processInformation.hProcess, 0);
Kernel32.CloseHandle(processInformation.hProcess);
});
}
