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/*-
* Copyright (c) 2006 Robert N. M. Watson
* All rights reserved.
*
* This software was developed by Robert Watson for the TrustedBSD Project.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND 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 THE AUTHOR OR 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/bsm/audit_filter.h#2 $
*/
#ifndef _BSM_AUDIT_FILTER_H_
#define _BSM_AUDIT_FILTER_H_
/*
* Module interface for audit filter modules.
*
* audit_filter_attach_t - filter module is being attached with arguments
* audit_filter_reinit_t - arguments to module have changed
* audit_filter_record_t - present parsed record to filter module, with
* receipt time
* audit_filter_bsmrecord_t - present bsm format record to filter module,
* with receipt time
* audit_filter_destach_t - filter module is being detached
*
* There may be many instances of the same filter, identified by the instance
* void pointer maintained by the filter instance.
*/
typedef int (*audit_filter_attach_t)(void **instance, int argc, char *argv[]);
typedef int (*audit_filter_reinit_t)(void *instance, int argc, char *argv[]);
typedef void (*audit_filter_record_t)(void *instance, struct timespec *ts,
int token_count, const tokenstr_t tok[]);
typedef void (*audit_filter_bsmrecord_t)(void *instance, struct timespec *ts,
void *data, u_int len);
typedef void (*audit_filter_detach_t)(void *instance);
/*
* Values to be returned by audit_filter_init_t.
*/
#define AUDIT_FILTER_SUCCESS (0)
#define AUDIT_FILTER_FAILURE (-1)
/*
* Standard name for filter module initialization functions, which will be
* found using dlsym().
*/
#define AUDIT_FILTER_ATTACH audit_filter_attach
#define AUDIT_FILTER_REINIT audit_filter_reinit
#define AUDIT_FILTER_RECORD audit_filter_record
#define AUDIT_FILTER_BSMRECORD audit_filter_bsmrecord
#define AUDIT_FILTER_DETACH audit_filter_detach
#define AUDIT_FILTER_ATTACH_STRING "audit_filter_attach"
#define AUDIT_FILTER_REINIT_STRING "audit_filter_reinit"
#define AUDIT_FILTER_RECORD_STRING "audit_filter_record"
#define AUDIT_FILTER_BSMRECORD_STRING "audit_filter_bsmrecord"
#define AUDIT_FILTER_DETACH_STRING "audit_filter_detach"
#endif /* !_BSM_AUDIT_FILTER_H_ */
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