plugin.h revision f89940742f5d14dde79b69b98a414dd7b7f585c7
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
*/
#ifndef _PLUGIN_H
#define _PLUGIN_H
#ifdef __cplusplus
extern "C" {
#endif
#include <security/auditd.h>
#include "queue.h"
typedef struct thd {
pthread_cond_t thd_cv;
pthread_mutex_t thd_mutex;
int thd_waiting;
} thr_data_t;
typedef struct plg plugin_t;
struct plg {
boolean_t plg_initialized; /* if threads, pools created */
boolean_t plg_reopen; /* call auditd_plugin_open */
/*
* removed is 1 if last read of audit configuration didn't list this
* plugin or the plugin is marked as "inactive"; it needs to be removed.
*/
boolean_t plg_removed; /* plugin removed */
boolean_t plg_to_be_removed; /* tentative removal state */
char *plg_path; /* plugin path */
void *plg_dlptr; /* dynamic lib pointer */
auditd_rc_t (*plg_fplugin)(const char *, size_t, uint64_t, char **);
auditd_rc_t (*plg_fplugin_open)(const kva_t *, char **, char **);
auditd_rc_t (*plg_fplugin_close)(char **);
kva_t *plg_kvlist; /* plugin inputs */
size_t plg_qmax; /* max queue size */
size_t plg_qmin; /* min queue size */
uint64_t plg_sequence; /* buffer counter */
uint64_t plg_last_seq_out; /* buffer counter (debug) */
uint32_t plg_tossed; /* discards (debug) */
uint32_t plg_queued; /* count buffers queued */
uint32_t plg_output; /* count of buffers output */
int plg_priority; /* current priority */
au_queue_t plg_pool; /* buffer pool */
au_queue_t plg_queue; /* queue drawn from pool */
int plg_q_threshold; /* max preallocated queue */
audit_q_t *plg_save_q_copy; /* tmp holding for a record */
pthread_t plg_tid; /* thread id */
pthread_cond_t plg_cv;
pthread_mutex_t plg_mutex;
int plg_waiting; /* output thread wait state */
int plg_cnt; /* continue policy */
int plg_retry_time; /* retry (seconds) */
plugin_t *plg_next; /* null is end of list */
};
int auditd_thread_init();
void auditd_thread_close();
void auditd_exit(int);
extern plugin_t *plugin_head;
extern pthread_mutex_t plugin_mutex;
#ifdef __cplusplus
}
#endif
#endif /* _PLUGIN_H */