private unsafe void UnsafeEnableDisablePrivileges(TokenPrivileges privileges)
{
byte[] privBytes = privileges.GetNativeTokenPrivileges();
fixed (byte* priv = privBytes)
{
UInt32 cbLength;
Win32.SetLastError(Win32.SUCCESS);
BOOL rc = Win32.AdjustTokenPrivileges(
_handle,
Win32.FALSE,
(IntPtr) priv,
0,
IntPtr.Zero,
out cbLength);
Win32.CheckCall(rc);
// Additional check: privilege can't be added, and in that case,
// rc indicates a success, but GetLastError() has a specific meaning.
if (Marshal.GetLastWin32Error() == Win32.ERROR_NOT_ALL_ASSIGNED)
Win32.ThrowLastError();
}
}
private void EnableDisablePrivileges(TokenPrivileges privileges)
{
UnsafeEnableDisablePrivileges(privileges);
}
private void EnableDisablePrivileges(TokenPrivileges privileges)
{
UnsafeEnableDisablePrivileges(privileges);
}
/// <summary>
/// Enable a single privilege on the process.
/// </summary>
/// <param name="privilege"></param>
/// <exception cref="">Throws an exception if the privilege is not present
/// in the privilege list of the process</exception>
public void EnablePrivilege(TokenPrivilege privilege)
{
var privs = new TokenPrivileges {privilege};
EnableDisablePrivileges(privs);
}
/// <summary>
/// Enable a single privilege on the process.
/// </summary>
/// <param name="privilege"></param>
/// <exception cref="">Throws an exception if the privilege is not present
/// in the privilege list of the process</exception>
public void EnablePrivilege(TokenPrivilege privilege)
{
TokenPrivileges privs = new TokenPrivileges();
privs.Add(privilege);
EnableDisablePrivileges(privs);
}
