Format of NetWare "Add Extended Trustee to Directory or File" request buffer:
Offset	Size	Description	)
 00h	WORD	length of following data
 02h	BYTE	27h (subfunction "Add Extended Trustee to Directory or File")
 03h	BYTE	directory handle
 04h	DWORD	(big-endian) object ID
 08h	WORD	trustee rights (see #02141)
 0Ah	BYTE	path length
 0Bh  N BYTEs	path name