/*-
 * Copyright (c) 2005-2009 Apple Inc.
 * All rights reserved.
 *
 * 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 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.
 */

#ifndef _AUDITD_H_
#define	_AUDITD_H_

#include <sys/types.h>
#include <sys/queue.h>
#include <syslog.h>

#define	MAX_DIR_SIZE	255
#define	AUDITD_NAME	"auditd"

/*
 * If defined, then the audit daemon will attempt to chown newly created logs
 * to this group.  Otherwise, they will be the default for the user running
 * auditd, likely the audit group.
 */
#define	AUDIT_REVIEW_GROUP	"audit"

#define	HARDLIM_ALL_WARN	"allhard"
#define	SOFTLIM_ALL_WARN	"allsoft"
#define	AUDITOFF_WARN		"auditoff"
#define	CLOSEFILE_WARN		"closefile"
#define	EBUSY_WARN		"ebusy"
#define	GETACDIR_WARN		"getacdir"
#define	HARDLIM_WARN		"hard"
#define	NOSTART_WARN		"nostart"
#define	POSTSIGTERM_WARN	"postsigterm"
#define	SOFTLIM_WARN		"soft"
#define	TMPFILE_WARN		"tmpfile"
#define	EXPIRED_WARN		"expired"

#define	AUDITWARN_SCRIPT	"/etc/security/audit_warn"
#define	AUDITD_PIDFILE		"/var/run/auditd.pid"

#define	AUD_STATE_INIT		-1
#define	AUD_STATE_DISABLED	 0
#define	AUD_STATE_ENABLED	 1

int	audit_warn_allhard(void);
int	audit_warn_allsoft(void);
int	audit_warn_auditoff(void);
int	audit_warn_closefile(char *filename);
int	audit_warn_ebusy(void);
int	audit_warn_getacdir(char *filename);
int	audit_warn_hard(char *filename);
int	audit_warn_nostart(void);
int	audit_warn_postsigterm(void);
int	audit_warn_soft(char *filename);
int	audit_warn_tmpfile(void);
int	audit_warn_expired(char *filename);

void	auditd_openlog(int debug, gid_t gid);
void	auditd_log_err(const char *fmt, ...);
void	auditd_log_debug(const char *fmt, ...);
void	auditd_log_info(const char *fmt, ...);
void	auditd_log_notice(const char *fmt, ...);

void	auditd_set_state(int state);
int	auditd_get_state(void);

int	auditd_open_trigger(int launchd_flag);
int	auditd_close_trigger(void);
void	auditd_handle_trigger(int trigger);

void	auditd_wait_for_events(void);
void	auditd_relay_signal(int signal);
void	auditd_terminate(void);
int	auditd_config_controls(void);
void	auditd_reap_children(void);


#endif /* !_AUDITD_H_ */