1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  *
26  * defines auditd interface uts/common/c2; project private.
27  */
28 
29 #ifndef	_AUDIT_DOOR_INFC_H
30 #define	_AUDIT_DOOR_INFC_H
31 
32 #pragma ident	"%Z%%M%	%I%	%E% SMI"
33 
34 #ifdef __cplusplus
35 extern "C" {
36 #endif
37 
38 /*
39  * door buffer
40  */
41 
42 #define	AU_DBUF_COMPLETE	0	/* buffer is a complete record */
43 #define	AU_DBUF_FIRST		1	/* first of two or more buffers */
44 #define	AU_DBUF_MIDDLE		2	/* intermediate of 3 or more bufs */
45 #define	AU_DBUF_LAST		3	/* last of two or more buffers */
46 #define	AU_DBUF_NOTIFY		0x8000	/* buffer contains a control message */
47 #define	AU_DBUF_POLICY		1	/* control msg: audit policy changed */
48 #define	AU_DBUF_SHUTDOWN	2	/* control msg: going down */
49 
50 /*
51  * control messages from the kernel to auditd
52  *
53  * POLICY:	the new audit policy mask is in aub_buf at a uint32_t
54  */
55 
56 
57 #define	AU_DMARGIN 8
58 /*
59  * The actual length of buf is based on the dynamic allocation
60  * for this structure; any positive value for AU_DMARGIN would do.
61  */
62 typedef struct aub {
63 	uint32_t	aub_size;
64 	uint32_t	aub_type;	/* flags AU_DBUF_*	*/
65 	char		aub_buf[AU_DMARGIN];
66 } au_dbuf_t;
67 
68 #define	AU_DBUF_HEADER	offsetof(au_dbuf_t, aub_buf[0])
69 
70 
71 #ifdef __cplusplus
72 }
73 #endif
74 
75 #endif	/* _AUDIT_DOOR_INFC_H */
76