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29 * P4: //depot/projects/trustedbsd/audit3/sys/bsm/audit.h#38
36 #include <sys/param.h>
37 #include <sys/cdefs.h>
38 #include <sys/queue.h>
40 #define AUDIT_RECORD_MAGIC 0x828a0f1b
41 #define MAX_AUDIT_RECORDS 20
42 #define MAXAUDITDATA (0x8000 - 1)
43 #define MAX_AUDIT_RECORD_SIZE MAXAUDITDATA
44 #define MIN_AUDIT_FILE_SIZE (512 * 1024)
47 * Minimum noumber of free blocks on the filesystem containing the audit
48 * log necessary to avoid a hard log rotation. DO NOT SET THIS VALUE TO 0
49 * as the kernel does an unsigned compare, plus we want to leave a few blocks
50 * free so userspace can terminate the log, etc.
52 #define AUDIT_HARD_LIMIT_FREE_BLOCKS 4
55 * Triggers for the audit daemon.
57 #define AUDIT_TRIGGER_MIN 1
58 #define AUDIT_TRIGGER_LOW_SPACE 1 /* Below low watermark. */
59 #define AUDIT_TRIGGER_ROTATE_KERNEL 2 /* Kernel requests rotate. */
60 #define AUDIT_TRIGGER_READ_FILE 3 /* Re-read config file. */
61 #define AUDIT_TRIGGER_CLOSE_AND_DIE 4 /* Terminate audit. */
62 #define AUDIT_TRIGGER_NO_SPACE 5 /* Below min free space. */
63 #define AUDIT_TRIGGER_ROTATE_USER 6 /* User requests roate. */
64 #define AUDIT_TRIGGER_MAX 6
67 * The special device filename (FreeBSD).
69 #define AUDITDEV_FILENAME "audit"
70 #define AUDIT_TRIGGER_FILE ("/dev/" AUDITDEV_FILENAME)
73 * Pre-defined audit IDs
75 #define AU_DEFAUDITID -1
78 * Define the masks for the classes of audit events.
80 #define AU_NULL 0x00000000
81 #define AU_FREAD 0x00000001
82 #define AU_FWRITE 0x00000002
83 #define AU_FACCESS 0x00000004
84 #define AU_FMODIFY 0x00000008
85 #define AU_FCREATE 0x00000010
86 #define AU_FDELETE 0x00000020
87 #define AU_CLOSE 0x00000040
88 #define AU_PROCESS 0x00000080
89 #define AU_NET 0x00000100
90 #define AU_IPC 0x00000200
91 #define AU_NONAT 0x00000400
92 #define AU_ADMIN 0x00000800
93 #define AU_LOGIN 0x00001000
94 #define AU_TFM 0x00002000
95 #define AU_APPL 0x00004000
96 #define AU_SETL 0x00008000
97 #define AU_IFLOAT 0x00010000
98 #define AU_PRIV 0x00020000
99 #define AU_MAC_RW 0x00040000
100 #define AU_XCONN 0x00080000
101 #define AU_XCREATE 0x00100000
102 #define AU_XDELETE 0x00200000
103 #define AU_XIFLOAT 0x00400000
104 #define AU_XPRIVS 0x00800000
105 #define AU_XPRIVF 0x01000000
106 #define AU_XMOVE 0x02000000
107 #define AU_XDACF 0x04000000
108 #define AU_XMACF 0x08000000
109 #define AU_XSECATTR 0x10000000
110 #define AU_IOCTL 0x20000000
111 #define AU_EXEC 0x40000000
112 #define AU_OTHER 0x80000000
113 #define AU_ALL 0xffffffff
118 #define AT_IPC_MSG ((u_char)1) /* Message IPC id. */
119 #define AT_IPC_SEM ((u_char)2) /* Semaphore IPC id. */
120 #define AT_IPC_SHM ((u_char)3) /* Shared mem IPC id. */
126 #define AUC_AUDITING 1
127 #define AUC_NOAUDIT 2
128 #define AUC_DISABLED -1
131 * auditon(2) commands.
133 #define A_GETPOLICY 2
134 #define A_SETPOLICY 3
143 #define A_SETUMASK 14
144 #define A_SETSMASK 15
147 #define A_GETCLASS 22
148 #define A_SETCLASS 23
149 #define A_GETPINFO 24
150 #define A_SETPMASK 25
151 #define A_SETFSIZE 26
152 #define A_GETFSIZE 27
153 #define A_GETPINFO_ADDR 28
154 #define A_GETKAUDIT 29
155 #define A_SETKAUDIT 30
156 #define A_SENDTRIGGER 31
159 * Audit policy controls.
161 #define AUDIT_CNT 0x0001
162 #define AUDIT_AHLT 0x0002
163 #define AUDIT_ARGV 0x0004
164 #define AUDIT_ARGE 0x0008
165 #define AUDIT_SEQ 0x0010
166 #define AUDIT_WINDATA 0x0020
167 #define AUDIT_USER 0x0040
168 #define AUDIT_GROUP 0x0080
169 #define AUDIT_TRAIL 0x0100
170 #define AUDIT_PATH 0x0200
171 #define AUDIT_SCNT 0x0400
172 #define AUDIT_PUBLIC 0x0800
173 #define AUDIT_ZONENAME 0x1000
174 #define AUDIT_PERZONE 0x2000
177 * Default audit queue control parameters.
179 #define AQ_HIWATER 100
180 #define AQ_MAXHIGH 10000
181 #define AQ_LOWATER 10
182 #define AQ_BUFSZ MAXAUDITDATA
183 #define AQ_MAXBUFSZ 1048576
186 * Default minimum percentage free space on file system.
188 #define AU_FS_MINFREE 20
191 * Type definitions used indicating the length of variable length addresses
192 * in tokens containing addresses, such as header fields.
199 typedef uid_t au_id_t;
200 typedef pid_t au_asid_t;
201 typedef u_int16_t au_event_t;
202 typedef u_int16_t au_emod_t;
203 typedef u_int32_t au_class_t;
209 typedef struct au_tid au_tid_t;
214 u_int32_t at_addr[4];
216 typedef struct au_tid_addr au_tid_addr_t;
219 unsigned int am_success; /* Success bits. */
220 unsigned int am_failure; /* Failure bits. */
222 typedef struct au_mask au_mask_t;
225 au_id_t ai_auid; /* Audit user ID. */
226 au_mask_t ai_mask; /* Audit masks. */
227 au_tid_t ai_termid; /* Terminal ID. */
228 au_asid_t ai_asid; /* Audit session ID. */
230 typedef struct auditinfo auditinfo_t;
232 struct auditinfo_addr {
233 au_id_t ai_auid; /* Audit user ID. */
234 au_mask_t ai_mask; /* Audit masks. */
235 au_tid_addr_t ai_termid; /* Terminal ID. */
236 au_asid_t ai_asid; /* Audit session ID. */
238 typedef struct auditinfo_addr auditinfo_addr_t;
241 pid_t ap_pid; /* ID of target process. */
242 au_id_t ap_auid; /* Audit user ID. */
243 au_mask_t ap_mask; /* Audit masks. */
244 au_tid_t ap_termid; /* Terminal ID. */
245 au_asid_t ap_asid; /* Audit session ID. */
247 typedef struct auditpinfo auditpinfo_t;
249 struct auditpinfo_addr {
250 pid_t ap_pid; /* ID of target process. */
251 au_id_t ap_auid; /* Audit user ID. */
252 au_mask_t ap_mask; /* Audit masks. */
253 au_tid_addr_t ap_termid; /* Terminal ID. */
254 au_asid_t ap_asid; /* Audit session ID. */
256 typedef struct auditpinfo_addr auditpinfo_addr_t;
259 * Contents of token_t are opaque outside of libbsm.
261 typedef struct au_token token_t;
264 * Kernel audit queue control parameters.
271 int aq_minfree; /* Minimum filesystem percent free space. */
273 typedef struct au_qctrl au_qctrl_t;
276 * Structure for the audit statistics.
279 unsigned int as_version;
280 unsigned int as_numevent;
292 unsigned int as_memused;
294 typedef struct audit_stat au_stat_t;
297 * Structure for the audit file statistics.
303 typedef struct audit_fstat au_fstat_t;
306 * Audit to event class mapping.
308 struct au_evclass_map {
309 au_event_t ec_number;
312 typedef struct au_evclass_map au_evclass_map_t;
315 * Audit system calls.
317 #if !defined(_KERNEL) && !defined(KERNEL)
318 int audit(const void *, int);
319 int auditon(int, void *, int);
320 int auditctl(const char *);
321 int getauid(au_id_t *);
322 int setauid(const au_id_t *);
323 int getaudit(struct auditinfo *);
324 int setaudit(const struct auditinfo *);
325 int getaudit_addr(struct auditinfo_addr *, int);
326 int setaudit_addr(const struct auditinfo_addr *, int);
327 #endif /* defined(_KERNEL) || defined(KERNEL) */
331 #endif /* !_BSM_AUDIT_H */