2 * Copyright (c) 2005 Apple Inc.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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.
29 * P4: //depot/projects/trustedbsd/openbsm/sys/bsm/audit.h#1
37 /* Temporary until rdar://problem/6133383 is resolved. */
38 #include <sys/types.h>
39 #include <sys/param.h>
40 #include <sys/socket.h>
41 #include <sys/cdefs.h>
42 #include <sys/queue.h>
43 #endif /* __APPLE__ */
45 #define AUDIT_RECORD_MAGIC 0x828a0f1b
46 #define MAX_AUDIT_RECORDS 20
47 #define MAXAUDITDATA (0x8000 - 1)
48 #define MAX_AUDIT_RECORD_SIZE MAXAUDITDATA
49 #define MIN_AUDIT_FILE_SIZE (512 * 1024)
52 * Minimum noumber of free blocks on the filesystem containing the audit
53 * log necessary to avoid a hard log rotation. DO NOT SET THIS VALUE TO 0
54 * as the kernel does an unsigned compare, plus we want to leave a few blocks
55 * free so userspace can terminate the log, etc.
57 #define AUDIT_HARD_LIMIT_FREE_BLOCKS 4
60 * Triggers for the audit daemon.
62 #define AUDIT_TRIGGER_MIN 1
63 #define AUDIT_TRIGGER_LOW_SPACE 1 /* Below low watermark. */
64 #define AUDIT_TRIGGER_ROTATE_KERNEL 2 /* Kernel requests rotate. */
65 #define AUDIT_TRIGGER_READ_FILE 3 /* Re-read config file. */
66 #define AUDIT_TRIGGER_CLOSE_AND_DIE 4 /* Terminate audit. */
67 #define AUDIT_TRIGGER_NO_SPACE 5 /* Below min free space. */
68 #define AUDIT_TRIGGER_ROTATE_USER 6 /* User requests rotate. */
69 #define AUDIT_TRIGGER_INITIALIZE 7 /* Initialize audit. */
70 #define AUDIT_TRIGGER_MAX 7
73 * The special device filename (FreeBSD).
75 #define AUDITDEV_FILENAME "audit"
76 #define AUDIT_TRIGGER_FILE ("/dev/" AUDITDEV_FILENAME)
79 * Pre-defined audit IDs
81 #define AU_DEFAUDITID (uid_t)(-1)
82 #define AU_DEFAUDITSID 0
83 #define AU_ASSIGN_ASID -1
88 #define AT_IPC_MSG ((u_char)1) /* Message IPC id. */
89 #define AT_IPC_SEM ((u_char)2) /* Semaphore IPC id. */
90 #define AT_IPC_SHM ((u_char)3) /* Shared mem IPC id. */
96 #define AUC_AUDITING 1
98 #define AUC_DISABLED -1
101 * auditon(2) commands.
103 #define A_GETPOLICY 2
104 #define A_SETPOLICY 3
113 #define A_SETUMASK 14
114 #define A_SETSMASK 15
117 #define A_GETCLASS 22
118 #define A_SETCLASS 23
119 #define A_GETPINFO 24
120 #define A_SETPMASK 25
121 #define A_SETFSIZE 26
122 #define A_GETFSIZE 27
123 #define A_GETPINFO_ADDR 28
124 #define A_GETKAUDIT 29
125 #define A_SETKAUDIT 30
126 #define A_SENDTRIGGER 31
127 #define A_GETSINFO_ADDR 32
130 * Audit policy controls.
132 #define AUDIT_CNT 0x0001
133 #define AUDIT_AHLT 0x0002
134 #define AUDIT_ARGV 0x0004
135 #define AUDIT_ARGE 0x0008
136 #define AUDIT_SEQ 0x0010
137 #define AUDIT_WINDATA 0x0020
138 #define AUDIT_USER 0x0040
139 #define AUDIT_GROUP 0x0080
140 #define AUDIT_TRAIL 0x0100
141 #define AUDIT_PATH 0x0200
142 #define AUDIT_SCNT 0x0400
143 #define AUDIT_PUBLIC 0x0800
144 #define AUDIT_ZONENAME 0x1000
145 #define AUDIT_PERZONE 0x2000
148 * Default audit queue control parameters.
150 #define AQ_HIWATER 100
151 #define AQ_MAXHIGH 10000
152 #define AQ_LOWATER 10
153 #define AQ_BUFSZ MAXAUDITDATA
154 #define AQ_MAXBUFSZ 1048576
157 * Default minimum percentage free space on file system.
159 #define AU_FS_MINFREE 20
162 * Type definitions used indicating the length of variable length addresses
163 * in tokens containing addresses, such as header fields.
170 typedef uid_t au_id_t;
171 typedef pid_t au_asid_t;
172 typedef u_int16_t au_event_t;
173 typedef u_int16_t au_emod_t;
174 typedef u_int32_t au_class_t;
180 typedef struct au_tid au_tid_t;
185 u_int32_t at_addr[4];
187 typedef struct au_tid_addr au_tid_addr_t;
190 unsigned int am_success; /* Success bits. */
191 unsigned int am_failure; /* Failure bits. */
193 typedef struct au_mask au_mask_t;
196 au_id_t ai_auid; /* Audit user ID. */
197 au_mask_t ai_mask; /* Audit masks. */
198 au_tid_t ai_termid; /* Terminal ID. */
199 au_asid_t ai_asid; /* Audit session ID. */
201 typedef struct auditinfo auditinfo_t;
203 struct auditinfo_addr {
204 au_id_t ai_auid; /* Audit user ID. */
205 au_mask_t ai_mask; /* Audit masks. */
206 au_tid_addr_t ai_termid; /* Terminal ID. */
207 au_asid_t ai_asid; /* Audit session ID. */
208 u_int64_t ai_flags; /* Audit session flags. */
210 typedef struct auditinfo_addr auditinfo_addr_t;
213 pid_t ap_pid; /* ID of target process. */
214 au_id_t ap_auid; /* Audit user ID. */
215 au_mask_t ap_mask; /* Audit masks. */
216 au_tid_t ap_termid; /* Terminal ID. */
217 au_asid_t ap_asid; /* Audit session ID. */
218 u_int64_t ap_flags; /* Audit session flags. */
220 typedef struct auditpinfo auditpinfo_t;
222 struct auditpinfo_addr {
223 pid_t ap_pid; /* ID of target process. */
224 au_id_t ap_auid; /* Audit user ID. */
225 au_mask_t ap_mask; /* Audit masks. */
226 au_tid_addr_t ap_termid; /* Terminal ID. */
227 au_asid_t ap_asid; /* Audit session ID. */
229 typedef struct auditpinfo_addr auditpinfo_addr_t;
232 auditinfo_addr_t *as_aia_p; /* Ptr to full audit info. */
233 #define as_asid as_aia_p->ai_asid
234 #define as_auid as_aia_p->ai_auid
235 #define as_termid as_aia_p->ai_termid
237 au_mask_t as_mask; /* Process Audit Masks. */
239 typedef struct au_session au_session_t;
242 * Contents of token_t are opaque outside of libbsm.
244 typedef struct au_token token_t;
247 * Kernel audit queue control parameters.
254 int aq_minfree; /* Minimum filesystem percent free space. */
256 typedef struct au_qctrl au_qctrl_t;
259 * Structure for the audit statistics.
262 unsigned int as_version;
263 unsigned int as_numevent;
275 unsigned int as_memused;
277 typedef struct audit_stat au_stat_t;
280 * Structure for the audit file statistics.
286 typedef struct audit_fstat au_fstat_t;
289 * Audit to event class mapping.
291 struct au_evclass_map {
292 au_event_t ec_number;
295 typedef struct au_evclass_map au_evclass_map_t;
298 * Audit system calls.
300 #if !defined(_KERNEL) && !defined(KERNEL)
301 int audit(const void *, int);
302 int auditon(int, void *, int);
303 int auditctl(const char *);
304 int getauid(au_id_t *);
305 int setauid(const au_id_t *);
306 int getaudit(struct auditinfo *);
307 int setaudit(const struct auditinfo *);
308 int getaudit_addr(struct auditinfo_addr *, int);
309 int setaudit_addr(const struct auditinfo_addr *, int);
310 #endif /* defined(_KERNEL) || defined(KERNEL) */
314 #endif /* !_BSM_AUDIT_H */