1/*-
2 * Copyright (c) 2005-2009 Apple Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1.  Redistributions of source code must retain the above copyright
10 *     notice, this list of conditions and the following disclaimer.
11 * 2.  Redistributions in binary form must reproduce the above copyright
12 *     notice, this list of conditions and the following disclaimer in the
13 *     documentation and/or other materials provided with the distribution.
14 * 3.  Neither the name of Apple Inc. ("Apple") nor the names of
15 *     its contributors may be used to endorse or promote products derived
16 *     from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
19 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
22 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
25 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30#ifndef _AUDITD_H_
31#define	_AUDITD_H_
32
33#include <sys/types.h>
34#include <sys/queue.h>
35#include <syslog.h>
36
37#define	MAX_DIR_SIZE	255
38#define	AUDITD_NAME	"auditd"
39
40/*
41 * If defined, then the audit daemon will attempt to chown newly created logs
42 * to this group.  Otherwise, they will be the default for the user running
43 * auditd, likely the audit group.
44 */
45#define	AUDIT_REVIEW_GROUP	"audit"
46
47#define	HARDLIM_ALL_WARN	"allhard"
48#define	SOFTLIM_ALL_WARN	"allsoft"
49#define	AUDITOFF_WARN		"auditoff"
50#define	CLOSEFILE_WARN		"closefile"
51#define	EBUSY_WARN		"ebusy"
52#define	GETACDIR_WARN		"getacdir"
53#define	HARDLIM_WARN		"hard"
54#define	NOSTART_WARN		"nostart"
55#define	POSTSIGTERM_WARN	"postsigterm"
56#define	SOFTLIM_WARN		"soft"
57#define	TMPFILE_WARN		"tmpfile"
58#define	EXPIRED_WARN		"expired"
59
60#define	AUDITWARN_SCRIPT	"/etc/security/audit_warn"
61#define	AUDITD_PIDFILE		"/var/run/auditd.pid"
62
63#define	AUD_STATE_INIT		-1
64#define	AUD_STATE_DISABLED	 0
65#define	AUD_STATE_ENABLED	 1
66
67int	audit_warn_allhard(void);
68int	audit_warn_allsoft(void);
69int	audit_warn_auditoff(void);
70int	audit_warn_closefile(char *filename);
71int	audit_warn_ebusy(void);
72int	audit_warn_getacdir(char *filename);
73int	audit_warn_hard(char *filename);
74int	audit_warn_nostart(void);
75int	audit_warn_postsigterm(void);
76int	audit_warn_soft(char *filename);
77int	audit_warn_tmpfile(void);
78int	audit_warn_expired(char *filename);
79
80void	auditd_openlog(int debug, gid_t gid);
81void	auditd_log_err(const char *fmt, ...);
82void	auditd_log_debug(const char *fmt, ...);
83void	auditd_log_info(const char *fmt, ...);
84void	auditd_log_notice(const char *fmt, ...);
85
86void	auditd_set_state(int state);
87int	auditd_get_state(void);
88
89int	auditd_open_trigger(int launchd_flag);
90int	auditd_close_trigger(void);
91void	auditd_handle_trigger(int trigger);
92
93void	auditd_wait_for_events(void);
94void	auditd_relay_signal(int signal);
95void	auditd_terminate(void);
96int	auditd_config_controls(void);
97void	auditd_reap_children(void);
98
99
100#endif /* !_AUDITD_H_ */
101