Format of NetWare "Modify Maximum Rights Mask" request buffer:
Offset	Size	Description	)
 00h	WORD	length of following data (max 104h)
 02h	BYTE	04h (subfunction "Modify Maximum Rights Mask")
 03h	BYTE	directory handle
 04h	BYTE	rights to grant (see #01849)
 05h	BYTE	rights to revoke (see #01849)
 06h	BYTE	length of directory path (00h-FFh)
 07h  N BYTEs	directory path
Note:	the rights specified at offset 05h are revoked first, and then the
	  rights specified at offset 04h are added to the resulting rights
	  mask
SeeAlso: #01847,#01851