internal static SafeCloseHandle OpenThreadToken(TokenAccessLevels desiredAccess, bool openAsSelf)
{
SafeCloseHandle threadToken;
if (!Private.OpenThreadToken(NativeMethods.Private.GetCurrentThread(), desiredAccess, openAsSelf, out threadToken))
{
int error = Marshal.GetLastWin32Error();
if (error != WinError.ERROR_NO_TOKEN)
{
throw GetIoExceptionForError(error, desiredAccess.ToString());
}
SafeCloseHandle processToken = OpenProcessToken(TokenAccessLevels.Duplicate);
if (!Private.DuplicateTokenEx(
processToken,
TokenAccessLevels.Impersonate | TokenAccessLevels.Query | TokenAccessLevels.AdjustPrivileges,
IntPtr.Zero,
SECURITY_IMPERSONATION_LEVEL.SecurityImpersonation,
TOKEN_TYPE.TokenImpersonation,
ref threadToken))
{
error = Marshal.GetLastWin32Error();
throw GetIoExceptionForError(error, desiredAccess.ToString());
}
}
return(threadToken);
}
public static SafeNativeHandle OpenProcessToken(SafeNativeHandle hProcess, TokenAccessLevels access)
{
SafeNativeHandle hToken;
if (!NativeMethods.OpenProcessToken(hProcess, access, out hToken))
{
throw new Win32Exception(String.Format("Failed to open proces token with access {0}",
access.ToString()));
}
return(hToken);
}
internal static SafeCloseHandle OpenProcessToken(TokenAccessLevels desiredAccess)
{
SafeCloseHandle processToken;
if (!Private.OpenProcessToken(Process.GetCurrentProcess().Handle, desiredAccess, out processToken))
{
int error = Marshal.GetLastWin32Error();
throw GetIoExceptionForError(error, desiredAccess.ToString());
}
return(processToken);
}
internal static SafeCloseHandle OpenThreadToken(TokenAccessLevels desiredAccess, bool openAsSelf)
{
SafeCloseHandle threadToken;
if (!Private.OpenThreadToken(NativeMethods.Private.GetCurrentThread(), desiredAccess, openAsSelf, out threadToken))
{
int error = Marshal.GetLastWin32Error();
if (error != WinError.ERROR_NO_TOKEN)
throw GetIoExceptionForError(error, desiredAccess.ToString());
SafeCloseHandle processToken = OpenProcessToken(TokenAccessLevels.Duplicate);
if (!Private.DuplicateTokenEx(
processToken,
TokenAccessLevels.Impersonate | TokenAccessLevels.Query | TokenAccessLevels.AdjustPrivileges,
IntPtr.Zero,
SECURITY_IMPERSONATION_LEVEL.SecurityImpersonation,
TOKEN_TYPE.TokenImpersonation,
ref threadToken))
{
error = Marshal.GetLastWin32Error();
throw GetIoExceptionForError(error, desiredAccess.ToString());
}
}
return threadToken;
}
internal static SafeCloseHandle OpenProcessToken(TokenAccessLevels desiredAccess)
{
SafeCloseHandle processToken;
if (!Private.OpenProcessToken(Process.GetCurrentProcess().Handle, desiredAccess, out processToken))
{
int error = Marshal.GetLastWin32Error();
throw GetIoExceptionForError(error, desiredAccess.ToString());
}
return processToken;
}
