audit_internal.h revision 155191 
1/*
2 * Copyright (c) 2005 Apple Computer, Inc.
3 * Copyright (c) 2005 SPARTA, Inc.
4 * All rights reserved.
5 *
6 * This code was developed in part by Robert N. M. Watson, Senior Principal
7 * Scientist, SPARTA, Inc.
8 *
9 * @APPLE_BSD_LICENSE_HEADER_START@
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 *
15 * 1.  Redistributions of source code must retain the above copyright
16 *     notice, this list of conditions and the following disclaimer.
17 * 2.  Redistributions in binary form must reproduce the above copyright
18 *     notice, this list of conditions and the following disclaimer in the
19 *     documentation and/or other materials provided with the distribution.
20 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
21 *     its contributors may be used to endorse or promote products derived
22 *     from this software without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
25 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
26 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
27 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
28 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
29 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
30 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
31 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
33 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 *
35 * @APPLE_BSD_LICENSE_HEADER_END@
36 *
37 * $P4: //depot/projects/trustedbsd/audit3/sys/bsm/audit_internal.h#5 $
38 * $FreeBSD: head/sys/bsm/audit_internal.h 155191 2006-02-01 19:54:22Z rwatson $
39 */
40
41#ifndef _LIBBSM_INTERNAL_H
42#define	_LIBBSM_INTERNAL_H
43
44/*
45 * audit_internal.h contains private interfaces that are shared by user space
46 * and the kernel for the purposes of assembling audit records.  Applications
47 * should not include this file or use the APIs found within, or it may be
48 * broken with future releases of OpenBSM, which may delete, modify, or
49 * otherwise break these interfaces or the assumptions they rely on.
50 */
51
52/* We could determined the header and trailer sizes by
53 * defining appropriate structures. We hold off that approach
54 * till we have a consistant way of using structures for all tokens.
55 * This is not straightforward since these token structures may
56 * contain pointers of whose contents we dont know the size
57 * (e.g text tokens)
58 */
59#define	BSM_HEADER_SIZE		18
60#define	BSM_TRAILER_SIZE	7
61
62/*
63 * BSM token streams store fields in big endian byte order, so as to be
64 * portable; when encoding and decoding, we must convert byte orders for
65 * typed values.
66 */
67#define	ADD_U_CHAR(loc, val)						\
68	do {								\
69		*(loc) = (val);						\
70		(loc) += sizeof(u_char);				\
71	} while(0)
72
73
74#define	ADD_U_INT16(loc, val)						\
75	do {								\
76		be16enc((loc), (val));					\
77		(loc) += sizeof(u_int16_t);				\
78	} while(0)
79
80#define	ADD_U_INT32(loc, val)						\
81	do {								\
82		be32enc((loc), (val));					\
83		(loc) += sizeof(u_int32_t);				\
84	} while(0)
85
86#define	ADD_U_INT64(loc, val)						\
87	do {								\
88		be64enc((loc), (val));					\
89		(loc) += sizeof(u_int64_t); 				\
90	} while(0)
91
92#define	ADD_MEM(loc, data, size)					\
93	do {								\
94		memcpy((loc), (data), (size));				\
95		(loc) += size;						\
96	} while(0)
97
98#define	ADD_STRING(loc, data, size)	ADD_MEM(loc, data, size)
99
100#endif /* !_LIBBSM_INTERNAL_H_ */
101