45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk * CDDL HEADER START
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk * The contents of this file are subject to the terms of the
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk * Common Development and Distribution License (the "License").
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk * You may not use this file except in compliance with the License.
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk * See the License for the specific language governing permissions
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk * and limitations under the License.
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk * When distributing Covered Code, include this CDDL HEADER in each
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk * If applicable, add the following below this CDDL HEADER, with the
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk * fields enclosed by brackets "[]" replaced with your own identifying
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk * information: Portions Copyright [yyyy] [name of copyright owner]
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk * CDDL HEADER END
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk * Use is subject to license terms.
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk#pragma ident "%Z%%M% %I% %E% SMI"
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpkextern "C" {
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk/* PRIVATE ONLY TO THE LABEL LIBRARY. DO NOT USE ELSEWHERE */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk/* Actual Binary Label Structure Definitions */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpktypedef struct {
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpktypedef struct {
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpktypedef struct {
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpktypedef _mac_label_impl_t _blevel_impl_t, /* compatibility */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpktypedef struct _binary_information_label_impl { /* Information Label */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpktypedef struct _binary_level_range_impl { /* Level Range */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk/* Label Identifier Types */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk#define SUN_MAC_ID 0x41 /* MAC label, legacy SUN_SL_ID */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk#define SUN_UCLR_ID 0x49 /* User Clearance, legacy SUN_CLR_ID */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk/* m_label_t macros */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk#define SUN_CMW_ID 0x83 /* 104 - total bytes in CMW Label */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk#define SUN_SL_ID 0x41 /* 36 - total bytes in Sensitivity Label */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk#define SUN_IL_ID 0x42 /* 68 - total bytes in Information Label */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk#define SUN_CLR_ID 0x49 /* 36 - total bytes in Clearance */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk#define LCLASS_SET(slp, l) ((slp)->_lclass.class_u.class_chunk = (l))
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk ((_Classification)(((slp)->_lclass.class_u.class_ar[0] << 8) | \
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk ((slp)->_lclass.class_u.class_ar[0] = (uint8_t)((l)>> 8), \
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk#endif /* _BIG_ENDIAN */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk#define ICLASS_SET(ilp, l) ((ilp)->_iclass.class_u.class_chunk = (l))
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk ((_Classification)(((ilp)->_iclass.class_u.class_ar[0] << 8) | \
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk ((ilp)->_iclass.class_u.class_ar[0] = (uint8_t)((l)>> 8), \
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk#endif /* _BIG_ENDIAN */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk/* Manifest Constant Values */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk#define HIGH_CLASS 0x7FFF /* Admin_High classification value */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk#define EMPTY_SET 0 /* Empty compartments and markings set */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk#define UNIVERSAL_SET 0xFFFFFFFFU /* Universal compartments and */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk /* markings set */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk/* Construct initial labels */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk ((l)->id = t, (l)->_c_len = _C_LEN, LCLASS_SET(l, LOW_CLASS), \
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk (l)->_comps.c1 = (l)->_comps.c2 = (l)->_comps.c3 = (l)->_comps.c4 = \
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk (l)->_comps.c5 = (l)->_comps.c6 = (l)->_comps.c7 = (l)->_comps.c8 = \
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk ((l)->id = t, (l)->_c_len = _C_LEN, LCLASS_SET(l, HIGH_CLASS), \
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk (l)->_comps.c1 = (l)->_comps.c2 = (l)->_comps.c3 = (l)->_comps.c4 = \
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk (l)->_comps.c5 = (l)->_comps.c6 = (l)->_comps.c7 = (l)->_comps.c8 = \
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk/* Macro equivalents */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk/* Is this memory a properly formatted label of type t? */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk (((_bclabel_impl_t *)(l))->_bcl_il._iid == SUN_IL_ID || \
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk ((_bclabel_impl_t *)(l))->_bcl_il._iid == SUN_IL_UN) : \
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk/* Are the levels of these labels equal? */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk _BLEQUAL((_mac_label_impl_t *)(l1), (_mac_label_impl_t *)(l2))
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk/* Does the level of l1 dominate that of l2? */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk _BLDOMINATES((_mac_label_impl_t *)(l1), (_mac_label_impl_t *)(l2))
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk#define _BLDOMINATES(l1, l2) (LCLASS(l1) >= LCLASS(l2) && \
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk (l2)->_comps.c1 == ((l1)->_comps.c1 & (l2)->_comps.c1) && \
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk (l2)->_comps.c2 == ((l1)->_comps.c2 & (l2)->_comps.c2) && \
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk (l2)->_comps.c3 == ((l1)->_comps.c3 & (l2)->_comps.c3) && \
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk (l2)->_comps.c4 == ((l1)->_comps.c4 & (l2)->_comps.c4) && \
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk (l2)->_comps.c5 == ((l1)->_comps.c5 & (l2)->_comps.c5) && \
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk (l2)->_comps.c6 == ((l1)->_comps.c6 & (l2)->_comps.c6) && \
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk (l2)->_comps.c7 == ((l1)->_comps.c7 & (l2)->_comps.c7) && \
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk/* Does the level of l1 strictly dominate that of l2? */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk#define BLSTRICTDOM(l1, l2) (!BLEQUAL(l1, l2) && BLDOMINATES(l1, l2))
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk/* Is the level of l within the range r? */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk/* Least Upper Bound level l1 and l2 replacing l1 with the result. */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk _BLMAXIMUM((_mac_label_impl_t *)(l1), (_mac_label_impl_t *)(l2))
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk/* Greatest Lower Bound level l1 and l2 replacing l1 with the result. */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk _BLMINIMUM((_mac_label_impl_t *)(l1), (_mac_label_impl_t *)(l2))
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk/* Create Manifest Labels */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk/* Write a System_Low CMW Label into this memory. */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk#define BCLLOW(l) (BSLLOW(BCLTOSL(l)), BILLOW(BCLTOIL(l)))
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk/* Write a System_Low Sensitivity Label into this memory. */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk ((l)->id = SUN_SL_ID, (l)->_c_len = _C_LEN, LCLASS_SET(l, LOW_CLASS), \
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk (l)->_comps.c1 = (l)->_comps.c2 = (l)->_comps.c3 = (l)->_comps.c4 = \
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk (l)->_comps.c5 = (l)->_comps.c6 = (l)->_comps.c7 = (l)->_comps.c8 = \
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk/* Write a System_High Sensitivity Label into this memory. */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk ((l)->id = SUN_SL_ID, (l)->_c_len = _C_LEN, LCLASS_SET(l, HIGH_CLASS), \
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk (l)->_comps.c1 = (l)->_comps.c2 = (l)->_comps.c3 = (l)->_comps.c4 = \
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk (l)->_comps.c5 = (l)->_comps.c6 = (l)->_comps.c7 = (l)->_comps.c8 = \
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk/* Write a System_Low Information Label into this memory. */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk/* Write a System_Low Sensitivity Label into this memory. */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk (c)->_comps.c1 = (c)->_comps.c2 = (c)->_comps.c3 = (c)->_comps.c4 = \
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk (c)->_comps.c5 = (c)->_comps.c6 = (c)->_comps.c7 = (c)->_comps.c8 = \
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk/* Write a System_High Sensitivity Label into this memory. */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk (c)->_comps.c1 = (c)->_comps.c2 = (c)->_comps.c3 = (c)->_comps.c4 = \
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk (c)->_comps.c5 = (c)->_comps.c6 = (c)->_comps.c7 = (c)->_comps.c8 = \
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk/* Write an undefined Sensitivity Label into this memory. */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk#define BSLUNDEF(l) (((_bslabel_impl_t *)(l))->id = SUN_SL_UN)
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk/* Write an undefined Clearance into this memory. */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk#define BCLEARUNDEF(c) (((_bclear_impl_t *)(c))->id = SUN_CLR_UN)
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk/* Retrieve the Sensitivity Label portion of a CMW Label */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk#define BCLTOSL(l) ((bslabel_t *)&((_bclabel_impl_t *)(l))->_bcl_sl)
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk/* Retrieve the Information Label portion of a CMW Label */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk#define BCLTOIL(l) ((_bilabel_impl_t *)&((_bclabel_impl_t *)(l))->_bcl_il)
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk/* Copy the Sensitivity Label portion from a CMW Label */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk (*((_bslabel_impl_t *)(l1)) = ((_bclabel_impl_t *)(l2))->_bcl_sl)
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk/* Replace the Sensitivity Label portion of a CMW Label */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk (((_bclabel_impl_t *)(l1))->_bcl_sl = *((_bslabel_impl_t *)(l2)))
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk/* Set type of this memory to the label type 't' */
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk#define SETBLTYPE(l, t) (((_bclabel_impl_t *)(l))->_bcl_sl.id = (t))
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk#define GETBLTYPE(l) (((const _bclabel_impl_t *)(l))->_bcl_sl.id)
45916cd2fec6e79bca5dee0421bd39e3c2910d1ejpk#endif /* !_LABEL_MACRO_H */