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      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