/*- * Copyright (c) 2005-2008 Apple Inc. * Copyright (c) 2005 SPARTA, Inc. * All rights reserved. * * This code was developed in part by Robert N. M. Watson, Senior Principal * Scientist, SPARTA, Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of * its contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $P4: //depot/projects/trustedbsd/openbsm/sys/bsm/audit_internal.h#5 $ */ #ifndef _AUDIT_INTERNAL_H #define _AUDIT_INTERNAL_H #if defined(__linux__) && !defined(__unused) #define __unused #endif /* * audit_internal.h contains private interfaces that are shared by user space * and the kernel for the purposes of assembling audit records. Applications * should not include this file or use the APIs found within, or it may be * broken with future releases of OpenBSM, which may delete, modify, or * otherwise break these interfaces or the assumptions they rely on. */ struct au_token { u_char *t_data; size_t len; TAILQ_ENTRY(au_token) tokens; }; struct au_record { char used; /* Record currently in use? */ int desc; /* Descriptor for record. */ TAILQ_HEAD(, au_token) token_q; /* Queue of BSM tokens. */ u_char *data; size_t len; LIST_ENTRY(au_record) au_rec_q; }; typedef struct au_record au_record_t; /* * We could determined the header and trailer sizes by defining appropriate * structures. We hold off that approach until we have a consistent way of * using structures for all tokens. This is not straightforward since these * token structures may contain pointers of whose contents we do not know the * size (e.g text tokens). */ #define AUDIT_HEADER_EX_SIZE(a) ((a)->ai_termid.at_type+18+sizeof(u_int32_t)) #define AUDIT_HEADER_SIZE 18 #define MAX_AUDIT_HEADER_SIZE (5*sizeof(u_int32_t)+18) #define AUDIT_TRAILER_SIZE 7 #define MAX_AUDIT_IDENTITY_SIZE 179 /* * BSM token streams store fields in big endian byte order, so as to be * portable; when encoding and decoding, we must convert byte orders for * typed values. */ #define ADD_U_CHAR(loc, val) \ do { \ *(loc) = (val); \ (loc) += sizeof(u_char); \ } while(0) #define ADD_U_INT16(loc, val) \ do { \ be16enc((loc), (val)); \ (loc) += sizeof(u_int16_t); \ } while(0) #define ADD_U_INT32(loc, val) \ do { \ be32enc((loc), (val)); \ (loc) += sizeof(u_int32_t); \ } while(0) #define ADD_U_INT64(loc, val) \ do { \ be64enc((loc), (val)); \ (loc) += sizeof(u_int64_t); \ } while(0) #define ADD_MEM(loc, data, size) \ do { \ memcpy((loc), (data), (size)); \ (loc) += size; \ } while(0) #define ADD_STRING(loc, data, size) ADD_MEM(loc, data, size) #endif /* !_AUDIT_INTERNAL_H_ */