xref: /freebsd/contrib/openbsm/bsm/auditd_lib.h (revision 40a8ac8f62b535d30349faf28cf47106b7041b83)
1 /*-
2  * Copyright (c) 2008 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  * 1.  Redistributions of source code must retain the above copyright
9  *     notice, this list of conditions and the following disclaimer.
10  * 2.  Redistributions in binary form must reproduce the above copyright
11  *     notice, this list of conditions and the following disclaimer in the
12  *     documentation and/or other materials provided with the distribution.
13  * 3.  Neither the name of Apple Inc. ("Apple") nor the names of
14  *     its contributors may be used to endorse or promote products derived
15  *     from this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR
21  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
25  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
26  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27  * POSSIBILITY OF SUCH DAMAGE.
28  *
29  * $P4: //depot/projects/trustedbsd/openbsm/bsm/auditd_lib.h#5 $
30  */
31 
32 #ifndef _BSM_AUDITD_LIB_H_
33 #define	_BSM_AUDITD_LIB_H_
34 
35 /*
36  * Lengths for audit trail file components.
37  */
38 #define	NOT_TERMINATED		"not_terminated"
39 #define	CRASH_RECOVERY		"crash_recovery"
40 #define	PREFIX_LEN	(sizeof("YYYYMMDDhhmmss") - 1)
41 #define	POSTFIX_LEN	PREFIX_LEN
42 #define	FILENAME_LEN	(PREFIX_LEN + 1 + POSTFIX_LEN)
43 #define	TIMESTAMP_LEN	POSTFIX_LEN
44 
45 /*
46  * Macro to generate the timestamp string for trail file.
47  */
48 #define	getTSstr(t, b, l)						\
49 	( (((t) = time(0)) == (time_t)-1 ) ||				\
50 	    !strftime((b), (l), "%Y%m%d%H%M%S", gmtime(&(t)) ) ) ? -1 : 0
51 
52 /*
53  * The symbolic link to the currently active audit trail file.
54  */
55 #define	AUDIT_CURRENT_LINK	"/var/audit/current"
56 
57 /*
58  * Path of auditd plist file for launchd.
59  */
60 #define	AUDITD_PLIST_FILE 	\
61 	    "/System/Library/LaunchDaemons/com.apple.auditd.plist"
62 
63 /*
64  * Error return codes for auditd_lib functions.
65  */
66 #define	ADE_NOERR	  0	/* No Error or Success. */
67 #define	ADE_PARSE	 -1	/* Error parsing audit_control(5). */
68 #define	ADE_AUDITON	 -2	/* auditon(2) call failed. */
69 #define	ADE_NOMEM	 -3	/* Error allocating memory. */
70 #define	ADE_SOFTLIM	 -4	/* All audit log directories over soft limit. */
71 #define	ADE_HARDLIM	 -5	/* All audit log directories over hard limit. */
72 #define	ADE_STRERR	 -6	/* Error creating file name string. */
73 #define	ADE_AU_OPEN	 -7	/* au_open(3) failed. */
74 #define	ADE_AU_CLOSE	 -8	/* au_close(3) failed. */
75 #define	ADE_SETAUDIT	 -9	/* setaudit(2) or setaudit_addr(2) failed. */
76 #define	ADE_ACTL	-10	/* "Soft" error with auditctl(2). */
77 #define	ADE_ACTLERR	-11	/* "Hard" error with auditctl(2). */
78 #define	ADE_SWAPERR	-12	/* The audit trail file could not be swap. */
79 #define	ADE_RENAME	-13	/* Error renaming crash recovery file. */
80 #define	ADE_READLINK	-14	/* Error reading 'current' link. */
81 #define	ADE_SYMLINK	-15	/* Error creating 'current' link. */
82 #define	ADE_INVAL	-16	/* Invalid argument. */
83 #define	ADE_GETADDR	-17	/* Error resolving address from hostname. */
84 #define	ADE_ADDRFAM	-18	/* Address family not supported. */
85 #define	ADE_EXPIRE	-19	/* Error expiring audit trail files. */
86 
87 /*
88  * auditd_lib functions.
89  */
90 const char *auditd_strerror(int errcode);
91 int auditd_set_minfree(void);
92 int auditd_expire_trails(int (*warn_expired)(char *));
93 int auditd_read_dirs(int (*warn_soft)(char *), int (*warn_hard)(char *));
94 void auditd_close_dirs(void);
95 int auditd_set_dist(void);
96 int auditd_set_evcmap(void);
97 int auditd_set_namask(void);
98 int auditd_set_policy(void);
99 int auditd_set_fsize(void);
100 int auditd_set_host(void);
101 int auditd_swap_trail(char *TS, char **newfile, gid_t gid,
102     int (*warn_getacdir)(char *));
103 int auditd_prevent_audit(void);
104 int auditd_gen_record(int event, char *path);
105 int auditd_new_curlink(char *curfile);
106 int auditd_rename(const char *fromname, const char *toname);
107 int audit_quick_start(void);
108 int audit_quick_stop(void);
109 
110 #endif /* !_BSM_AUDITD_LIB_H_ */
111