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1 /* audit.h -- Auditing support
2  *
3  * Copyright 2003-2004 Red Hat Inc., Durham, North Carolina.
4  * All Rights Reserved.
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19  *
20  * Written by Rickard E. (Rik) Faith <faith@redhat.com>
21  *
22  */
23 
24 #ifndef _UAPI_LINUX_AUDIT_H_
25 #define _UAPI_LINUX_AUDIT_H_
26 
27 #include <linux/types.h>
28 #include <linux/elf-em.h>
29 
30 /* The netlink messages for the audit system is divided into blocks:
31  * 1000 - 1099 are for commanding the audit system
32  * 1100 - 1199 user space trusted application messages
33  * 1200 - 1299 messages internal to the audit daemon
34  * 1300 - 1399 audit event messages
35  * 1400 - 1499 SE Linux use
36  * 1500 - 1599 kernel LSPP events
37  * 1600 - 1699 kernel crypto events
38  * 1700 - 1799 kernel anomaly records
39  * 1800 - 1899 kernel integrity events
40  * 1900 - 1999 future kernel use
41  * 2000 is for otherwise unclassified kernel audit messages (legacy)
42  * 2001 - 2099 unused (kernel)
43  * 2100 - 2199 user space anomaly records
44  * 2200 - 2299 user space actions taken in response to anomalies
45  * 2300 - 2399 user space generated LSPP events
46  * 2400 - 2499 user space crypto events
47  * 2500 - 2999 future user space (maybe integrity labels and related events)
48  *
49  * Messages from 1000-1199 are bi-directional. 1200-1299 & 2100 - 2999 are
50  * exclusively user space. 1300-2099 is kernel --> user space
51  * communication.
52  */
53 #define AUDIT_GET		1000	/* Get status */
54 #define AUDIT_SET		1001	/* Set status (enable/disable/auditd) */
55 #define AUDIT_LIST		1002	/* List syscall rules -- deprecated */
56 #define AUDIT_ADD		1003	/* Add syscall rule -- deprecated */
57 #define AUDIT_DEL		1004	/* Delete syscall rule -- deprecated */
58 #define AUDIT_USER		1005	/* Message from userspace -- deprecated */
59 #define AUDIT_LOGIN		1006	/* Define the login id and information */
60 #define AUDIT_WATCH_INS		1007	/* Insert file/dir watch entry */
61 #define AUDIT_WATCH_REM		1008	/* Remove file/dir watch entry */
62 #define AUDIT_WATCH_LIST	1009	/* List all file/dir watches */
63 #define AUDIT_SIGNAL_INFO	1010	/* Get info about sender of signal to auditd */
64 #define AUDIT_ADD_RULE		1011	/* Add syscall filtering rule */
65 #define AUDIT_DEL_RULE		1012	/* Delete syscall filtering rule */
66 #define AUDIT_LIST_RULES	1013	/* List syscall filtering rules */
67 #define AUDIT_TRIM		1014	/* Trim junk from watched tree */
68 #define AUDIT_MAKE_EQUIV	1015	/* Append to watched tree */
69 #define AUDIT_TTY_GET		1016	/* Get TTY auditing status */
70 #define AUDIT_TTY_SET		1017	/* Set TTY auditing status */
71 #define AUDIT_SET_FEATURE	1018	/* Turn an audit feature on or off */
72 #define AUDIT_GET_FEATURE	1019	/* Get which features are enabled */
73 
74 #define AUDIT_FIRST_USER_MSG	1100	/* Userspace messages mostly uninteresting to kernel */
75 #define AUDIT_USER_AVC		1107	/* We filter this differently */
76 #define AUDIT_USER_TTY		1124	/* Non-ICANON TTY input meaning */
77 #define AUDIT_LAST_USER_MSG	1199
78 #define AUDIT_FIRST_USER_MSG2	2100	/* More user space messages */
79 #define AUDIT_LAST_USER_MSG2	2999
80 
81 #define AUDIT_DAEMON_START      1200    /* Daemon startup record */
82 #define AUDIT_DAEMON_END        1201    /* Daemon normal stop record */
83 #define AUDIT_DAEMON_ABORT      1202    /* Daemon error stop record */
84 #define AUDIT_DAEMON_CONFIG     1203    /* Daemon config change */
85 
86 #define AUDIT_SYSCALL		1300	/* Syscall event */
87 /* #define AUDIT_FS_WATCH	1301	 * Deprecated */
88 #define AUDIT_PATH		1302	/* Filename path information */
89 #define AUDIT_IPC		1303	/* IPC record */
90 #define AUDIT_SOCKETCALL	1304	/* sys_socketcall arguments */
91 #define AUDIT_CONFIG_CHANGE	1305	/* Audit system configuration change */
92 #define AUDIT_SOCKADDR		1306	/* sockaddr copied as syscall arg */
93 #define AUDIT_CWD		1307	/* Current working directory */
94 #define AUDIT_EXECVE		1309	/* execve arguments */
95 #define AUDIT_IPC_SET_PERM	1311	/* IPC new permissions record type */
96 #define AUDIT_MQ_OPEN		1312	/* POSIX MQ open record type */
97 #define AUDIT_MQ_SENDRECV	1313	/* POSIX MQ send/receive record type */
98 #define AUDIT_MQ_NOTIFY		1314	/* POSIX MQ notify record type */
99 #define AUDIT_MQ_GETSETATTR	1315	/* POSIX MQ get/set attribute record type */
100 #define AUDIT_KERNEL_OTHER	1316	/* For use by 3rd party modules */
101 #define AUDIT_FD_PAIR		1317    /* audit record for pipe/socketpair */
102 #define AUDIT_OBJ_PID		1318	/* ptrace target */
103 #define AUDIT_TTY		1319	/* Input on an administrative TTY */
104 #define AUDIT_EOE		1320	/* End of multi-record event */
105 #define AUDIT_BPRM_FCAPS	1321	/* Information about fcaps increasing perms */
106 #define AUDIT_CAPSET		1322	/* Record showing argument to sys_capset */
107 #define AUDIT_MMAP		1323	/* Record showing descriptor and flags in mmap */
108 #define AUDIT_NETFILTER_PKT	1324	/* Packets traversing netfilter chains */
109 #define AUDIT_NETFILTER_CFG	1325	/* Netfilter chain modifications */
110 #define AUDIT_SECCOMP		1326	/* Secure Computing event */
111 #define AUDIT_PROCTITLE		1327	/* Proctitle emit event */
112 #define AUDIT_FEATURE_CHANGE	1328	/* audit log listing feature changes */
113 
114 #define AUDIT_AVC		1400	/* SE Linux avc denial or grant */
115 #define AUDIT_SELINUX_ERR	1401	/* Internal SE Linux Errors */
116 #define AUDIT_AVC_PATH		1402	/* dentry, vfsmount pair from avc */
117 #define AUDIT_MAC_POLICY_LOAD	1403	/* Policy file load */
118 #define AUDIT_MAC_STATUS	1404	/* Changed enforcing,permissive,off */
119 #define AUDIT_MAC_CONFIG_CHANGE	1405	/* Changes to booleans */
120 #define AUDIT_MAC_UNLBL_ALLOW	1406	/* NetLabel: allow unlabeled traffic */
121 #define AUDIT_MAC_CIPSOV4_ADD	1407	/* NetLabel: add CIPSOv4 DOI entry */
122 #define AUDIT_MAC_CIPSOV4_DEL	1408	/* NetLabel: del CIPSOv4 DOI entry */
123 #define AUDIT_MAC_MAP_ADD	1409	/* NetLabel: add LSM domain mapping */
124 #define AUDIT_MAC_MAP_DEL	1410	/* NetLabel: del LSM domain mapping */
125 #define AUDIT_MAC_IPSEC_ADDSA	1411	/* Not used */
126 #define AUDIT_MAC_IPSEC_DELSA	1412	/* Not used  */
127 #define AUDIT_MAC_IPSEC_ADDSPD	1413	/* Not used */
128 #define AUDIT_MAC_IPSEC_DELSPD	1414	/* Not used */
129 #define AUDIT_MAC_IPSEC_EVENT	1415	/* Audit an IPSec event */
130 #define AUDIT_MAC_UNLBL_STCADD	1416	/* NetLabel: add a static label */
131 #define AUDIT_MAC_UNLBL_STCDEL	1417	/* NetLabel: del a static label */
132 
133 #define AUDIT_FIRST_KERN_ANOM_MSG   1700
134 #define AUDIT_LAST_KERN_ANOM_MSG    1799
135 #define AUDIT_ANOM_PROMISCUOUS      1700 /* Device changed promiscuous mode */
136 #define AUDIT_ANOM_ABEND            1701 /* Process ended abnormally */
137 #define AUDIT_ANOM_LINK		    1702 /* Suspicious use of file links */
138 #define AUDIT_INTEGRITY_DATA	    1800 /* Data integrity verification */
139 #define AUDIT_INTEGRITY_METADATA    1801 /* Metadata integrity verification */
140 #define AUDIT_INTEGRITY_STATUS	    1802 /* Integrity enable status */
141 #define AUDIT_INTEGRITY_HASH	    1803 /* Integrity HASH type */
142 #define AUDIT_INTEGRITY_PCR	    1804 /* PCR invalidation msgs */
143 #define AUDIT_INTEGRITY_RULE	    1805 /* policy rule */
144 
145 #define AUDIT_KERNEL		2000	/* Asynchronous audit record. NOT A REQUEST. */
146 
147 /* Rule flags */
148 #define AUDIT_FILTER_USER	0x00	/* Apply rule to user-generated messages */
149 #define AUDIT_FILTER_TASK	0x01	/* Apply rule at task creation (not syscall) */
150 #define AUDIT_FILTER_ENTRY	0x02	/* Apply rule at syscall entry */
151 #define AUDIT_FILTER_WATCH	0x03	/* Apply rule to file system watches */
152 #define AUDIT_FILTER_EXIT	0x04	/* Apply rule at syscall exit */
153 #define AUDIT_FILTER_TYPE	0x05	/* Apply rule at audit_log_start */
154 
155 #define AUDIT_NR_FILTERS	6
156 
157 #define AUDIT_FILTER_PREPEND	0x10	/* Prepend to front of list */
158 
159 /* Rule actions */
160 #define AUDIT_NEVER    0	/* Do not build context if rule matches */
161 #define AUDIT_POSSIBLE 1	/* Build context if rule matches  */
162 #define AUDIT_ALWAYS   2	/* Generate audit record if rule matches */
163 
164 /* Rule structure sizes -- if these change, different AUDIT_ADD and
165  * AUDIT_LIST commands must be implemented. */
166 #define AUDIT_MAX_FIELDS   64
167 #define AUDIT_MAX_KEY_LEN  256
168 #define AUDIT_BITMASK_SIZE 64
169 #define AUDIT_WORD(nr) ((__u32)((nr)/32))
170 #define AUDIT_BIT(nr)  (1 << ((nr) - AUDIT_WORD(nr)*32))
171 
172 #define AUDIT_SYSCALL_CLASSES 16
173 #define AUDIT_CLASS_DIR_WRITE 0
174 #define AUDIT_CLASS_DIR_WRITE_32 1
175 #define AUDIT_CLASS_CHATTR 2
176 #define AUDIT_CLASS_CHATTR_32 3
177 #define AUDIT_CLASS_READ 4
178 #define AUDIT_CLASS_READ_32 5
179 #define AUDIT_CLASS_WRITE 6
180 #define AUDIT_CLASS_WRITE_32 7
181 #define AUDIT_CLASS_SIGNAL 8
182 #define AUDIT_CLASS_SIGNAL_32 9
183 
184 /* This bitmask is used to validate user input.  It represents all bits that
185  * are currently used in an audit field constant understood by the kernel.
186  * If you are adding a new #define AUDIT_<whatever>, please ensure that
187  * AUDIT_UNUSED_BITS is updated if need be. */
188 #define AUDIT_UNUSED_BITS	0x07FFFC00
189 
190 /* AUDIT_FIELD_COMPARE rule list */
191 #define AUDIT_COMPARE_UID_TO_OBJ_UID	1
192 #define AUDIT_COMPARE_GID_TO_OBJ_GID	2
193 #define AUDIT_COMPARE_EUID_TO_OBJ_UID	3
194 #define AUDIT_COMPARE_EGID_TO_OBJ_GID	4
195 #define AUDIT_COMPARE_AUID_TO_OBJ_UID	5
196 #define AUDIT_COMPARE_SUID_TO_OBJ_UID	6
197 #define AUDIT_COMPARE_SGID_TO_OBJ_GID	7
198 #define AUDIT_COMPARE_FSUID_TO_OBJ_UID	8
199 #define AUDIT_COMPARE_FSGID_TO_OBJ_GID	9
200 
201 #define AUDIT_COMPARE_UID_TO_AUID	10
202 #define AUDIT_COMPARE_UID_TO_EUID	11
203 #define AUDIT_COMPARE_UID_TO_FSUID	12
204 #define AUDIT_COMPARE_UID_TO_SUID	13
205 
206 #define AUDIT_COMPARE_AUID_TO_FSUID	14
207 #define AUDIT_COMPARE_AUID_TO_SUID	15
208 #define AUDIT_COMPARE_AUID_TO_EUID	16
209 
210 #define AUDIT_COMPARE_EUID_TO_SUID	17
211 #define AUDIT_COMPARE_EUID_TO_FSUID	18
212 
213 #define AUDIT_COMPARE_SUID_TO_FSUID	19
214 
215 #define AUDIT_COMPARE_GID_TO_EGID	20
216 #define AUDIT_COMPARE_GID_TO_FSGID	21
217 #define AUDIT_COMPARE_GID_TO_SGID	22
218 
219 #define AUDIT_COMPARE_EGID_TO_FSGID	23
220 #define AUDIT_COMPARE_EGID_TO_SGID	24
221 #define AUDIT_COMPARE_SGID_TO_FSGID	25
222 
223 #define AUDIT_MAX_FIELD_COMPARE		AUDIT_COMPARE_SGID_TO_FSGID
224 
225 /* Rule fields */
226 				/* These are useful when checking the
227 				 * task structure at task creation time
228 				 * (AUDIT_PER_TASK).  */
229 #define AUDIT_PID	0
230 #define AUDIT_UID	1
231 #define AUDIT_EUID	2
232 #define AUDIT_SUID	3
233 #define AUDIT_FSUID	4
234 #define AUDIT_GID	5
235 #define AUDIT_EGID	6
236 #define AUDIT_SGID	7
237 #define AUDIT_FSGID	8
238 #define AUDIT_LOGINUID	9
239 #define AUDIT_PERS	10
240 #define AUDIT_ARCH	11
241 #define AUDIT_MSGTYPE	12
242 #define AUDIT_SUBJ_USER	13	/* security label user */
243 #define AUDIT_SUBJ_ROLE	14	/* security label role */
244 #define AUDIT_SUBJ_TYPE	15	/* security label type */
245 #define AUDIT_SUBJ_SEN	16	/* security label sensitivity label */
246 #define AUDIT_SUBJ_CLR	17	/* security label clearance label */
247 #define AUDIT_PPID	18
248 #define AUDIT_OBJ_USER	19
249 #define AUDIT_OBJ_ROLE	20
250 #define AUDIT_OBJ_TYPE	21
251 #define AUDIT_OBJ_LEV_LOW	22
252 #define AUDIT_OBJ_LEV_HIGH	23
253 #define AUDIT_LOGINUID_SET	24
254 
255 				/* These are ONLY useful when checking
256 				 * at syscall exit time (AUDIT_AT_EXIT). */
257 #define AUDIT_DEVMAJOR	100
258 #define AUDIT_DEVMINOR	101
259 #define AUDIT_INODE	102
260 #define AUDIT_EXIT	103
261 #define AUDIT_SUCCESS   104	/* exit >= 0; value ignored */
262 #define AUDIT_WATCH	105
263 #define AUDIT_PERM	106
264 #define AUDIT_DIR	107
265 #define AUDIT_FILETYPE	108
266 #define AUDIT_OBJ_UID	109
267 #define AUDIT_OBJ_GID	110
268 #define AUDIT_FIELD_COMPARE	111
269 #define AUDIT_EXE	112
270 
271 #define AUDIT_ARG0      200
272 #define AUDIT_ARG1      (AUDIT_ARG0+1)
273 #define AUDIT_ARG2      (AUDIT_ARG0+2)
274 #define AUDIT_ARG3      (AUDIT_ARG0+3)
275 
276 #define AUDIT_FILTERKEY	210
277 
278 #define AUDIT_NEGATE			0x80000000
279 
280 /* These are the supported operators.
281  *	4  2  1  8
282  *	=  >  <  ?
283  *	----------
284  *	0  0  0	 0	00	nonsense
285  *	0  0  0	 1	08	&  bit mask
286  *	0  0  1	 0	10	<
287  *	0  1  0	 0	20	>
288  *	0  1  1	 0	30	!=
289  *	1  0  0	 0	40	=
290  *	1  0  0	 1	48	&=  bit test
291  *	1  0  1	 0	50	<=
292  *	1  1  0	 0	60	>=
293  *	1  1  1	 1	78	all operators
294  */
295 #define AUDIT_BIT_MASK			0x08000000
296 #define AUDIT_LESS_THAN			0x10000000
297 #define AUDIT_GREATER_THAN		0x20000000
298 #define AUDIT_NOT_EQUAL			0x30000000
299 #define AUDIT_EQUAL			0x40000000
300 #define AUDIT_BIT_TEST			(AUDIT_BIT_MASK|AUDIT_EQUAL)
301 #define AUDIT_LESS_THAN_OR_EQUAL	(AUDIT_LESS_THAN|AUDIT_EQUAL)
302 #define AUDIT_GREATER_THAN_OR_EQUAL	(AUDIT_GREATER_THAN|AUDIT_EQUAL)
303 #define AUDIT_OPERATORS			(AUDIT_EQUAL|AUDIT_NOT_EQUAL|AUDIT_BIT_MASK)
304 
305 enum {
306 	Audit_equal,
307 	Audit_not_equal,
308 	Audit_bitmask,
309 	Audit_bittest,
310 	Audit_lt,
311 	Audit_gt,
312 	Audit_le,
313 	Audit_ge,
314 	Audit_bad
315 };
316 
317 /* Status symbols */
318 				/* Mask values */
319 #define AUDIT_STATUS_ENABLED		0x0001
320 #define AUDIT_STATUS_FAILURE		0x0002
321 #define AUDIT_STATUS_PID		0x0004
322 #define AUDIT_STATUS_RATE_LIMIT		0x0008
323 #define AUDIT_STATUS_BACKLOG_LIMIT	0x0010
324 #define AUDIT_STATUS_BACKLOG_WAIT_TIME	0x0020
325 
326 #define AUDIT_FEATURE_BITMAP_BACKLOG_LIMIT	0x00000001
327 #define AUDIT_FEATURE_BITMAP_BACKLOG_WAIT_TIME	0x00000002
328 #define AUDIT_FEATURE_BITMAP_EXECUTABLE_PATH	0x00000004
329 #define AUDIT_FEATURE_BITMAP_ALL (AUDIT_FEATURE_BITMAP_BACKLOG_LIMIT | \
330 				  AUDIT_FEATURE_BITMAP_BACKLOG_WAIT_TIME | \
331 				  AUDIT_FEATURE_BITMAP_EXECUTABLE_PATH)
332 
333 /* deprecated: AUDIT_VERSION_* */
334 #define AUDIT_VERSION_LATEST 		AUDIT_FEATURE_BITMAP_ALL
335 #define AUDIT_VERSION_BACKLOG_LIMIT	AUDIT_FEATURE_BITMAP_BACKLOG_LIMIT
336 #define AUDIT_VERSION_BACKLOG_WAIT_TIME	AUDIT_FEATURE_BITMAP_BACKLOG_WAIT_TIME
337 
338 				/* Failure-to-log actions */
339 #define AUDIT_FAIL_SILENT	0
340 #define AUDIT_FAIL_PRINTK	1
341 #define AUDIT_FAIL_PANIC	2
342 
343 /*
344  * These bits disambiguate different calling conventions that share an
345  * ELF machine type, bitness, and endianness
346  */
347 #define __AUDIT_ARCH_CONVENTION_MASK 0x30000000
348 #define __AUDIT_ARCH_CONVENTION_MIPS64_N32 0x20000000
349 
350 /* distinguish syscall tables */
351 #define __AUDIT_ARCH_64BIT 0x80000000
352 #define __AUDIT_ARCH_LE	   0x40000000
353 
354 #define AUDIT_ARCH_AARCH64	(EM_AARCH64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
355 #define AUDIT_ARCH_ALPHA	(EM_ALPHA|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
356 #define AUDIT_ARCH_ARM		(EM_ARM|__AUDIT_ARCH_LE)
357 #define AUDIT_ARCH_ARMEB	(EM_ARM)
358 #define AUDIT_ARCH_CRIS		(EM_CRIS|__AUDIT_ARCH_LE)
359 #define AUDIT_ARCH_FRV		(EM_FRV)
360 #define AUDIT_ARCH_I386		(EM_386|__AUDIT_ARCH_LE)
361 #define AUDIT_ARCH_IA64		(EM_IA_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
362 #define AUDIT_ARCH_M32R		(EM_M32R)
363 #define AUDIT_ARCH_M68K		(EM_68K)
364 #define AUDIT_ARCH_MICROBLAZE	(EM_MICROBLAZE)
365 #define AUDIT_ARCH_MIPS		(EM_MIPS)
366 #define AUDIT_ARCH_MIPSEL	(EM_MIPS|__AUDIT_ARCH_LE)
367 #define AUDIT_ARCH_MIPS64	(EM_MIPS|__AUDIT_ARCH_64BIT)
368 #define AUDIT_ARCH_MIPS64N32	(EM_MIPS|__AUDIT_ARCH_64BIT|\
369 				 __AUDIT_ARCH_CONVENTION_MIPS64_N32)
370 #define AUDIT_ARCH_MIPSEL64	(EM_MIPS|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
371 #define AUDIT_ARCH_MIPSEL64N32	(EM_MIPS|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE|\
372 				 __AUDIT_ARCH_CONVENTION_MIPS64_N32)
373 #define AUDIT_ARCH_OPENRISC	(EM_OPENRISC)
374 #define AUDIT_ARCH_PARISC	(EM_PARISC)
375 #define AUDIT_ARCH_PARISC64	(EM_PARISC|__AUDIT_ARCH_64BIT)
376 #define AUDIT_ARCH_PPC		(EM_PPC)
377 /* do not define AUDIT_ARCH_PPCLE since it is not supported by audit */
378 #define AUDIT_ARCH_PPC64	(EM_PPC64|__AUDIT_ARCH_64BIT)
379 #define AUDIT_ARCH_PPC64LE	(EM_PPC64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
380 #define AUDIT_ARCH_S390		(EM_S390)
381 #define AUDIT_ARCH_S390X	(EM_S390|__AUDIT_ARCH_64BIT)
382 #define AUDIT_ARCH_SH		(EM_SH)
383 #define AUDIT_ARCH_SHEL		(EM_SH|__AUDIT_ARCH_LE)
384 #define AUDIT_ARCH_SH64		(EM_SH|__AUDIT_ARCH_64BIT)
385 #define AUDIT_ARCH_SHEL64	(EM_SH|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
386 #define AUDIT_ARCH_SPARC	(EM_SPARC)
387 #define AUDIT_ARCH_SPARC64	(EM_SPARCV9|__AUDIT_ARCH_64BIT)
388 #define AUDIT_ARCH_TILEGX	(EM_TILEGX|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
389 #define AUDIT_ARCH_TILEGX32	(EM_TILEGX|__AUDIT_ARCH_LE)
390 #define AUDIT_ARCH_TILEPRO	(EM_TILEPRO|__AUDIT_ARCH_LE)
391 #define AUDIT_ARCH_X86_64	(EM_X86_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
392 
393 #define AUDIT_PERM_EXEC		1
394 #define AUDIT_PERM_WRITE	2
395 #define AUDIT_PERM_READ		4
396 #define AUDIT_PERM_ATTR		8
397 
398 /* MAX_AUDIT_MESSAGE_LENGTH is set in audit:lib/libaudit.h as:
399  * 8970 // PATH_MAX*2+CONTEXT_SIZE*2+11+256+1
400  * max header+body+tailer: 44 + 29 + 32 + 262 + 7 + pad
401  */
402 #define AUDIT_MESSAGE_TEXT_MAX	8560
403 
404 /* Multicast Netlink socket groups (default up to 32) */
405 enum audit_nlgrps {
406 	AUDIT_NLGRP_NONE,	/* Group 0 not used */
407 	AUDIT_NLGRP_READLOG,	/* "best effort" read only socket */
408 	__AUDIT_NLGRP_MAX
409 };
410 #define AUDIT_NLGRP_MAX                (__AUDIT_NLGRP_MAX - 1)
411 
412 struct audit_status {
413 	__u32		mask;		/* Bit mask for valid entries */
414 	__u32		enabled;	/* 1 = enabled, 0 = disabled */
415 	__u32		failure;	/* Failure-to-log action */
416 	__u32		pid;		/* pid of auditd process */
417 	__u32		rate_limit;	/* messages rate limit (per second) */
418 	__u32		backlog_limit;	/* waiting messages limit */
419 	__u32		lost;		/* messages lost */
420 	__u32		backlog;	/* messages waiting in queue */
421 	union {
422 		__u32	version;	/* deprecated: audit api version num */
423 		__u32	feature_bitmap;	/* bitmap of kernel audit features */
424 	};
425 	__u32		backlog_wait_time;/* message queue wait timeout */
426 };
427 
428 struct audit_features {
429 #define AUDIT_FEATURE_VERSION	1
430 	__u32	vers;
431 	__u32	mask;		/* which bits we are dealing with */
432 	__u32	features;	/* which feature to enable/disable */
433 	__u32	lock;		/* which features to lock */
434 };
435 
436 #define AUDIT_FEATURE_ONLY_UNSET_LOGINUID	0
437 #define AUDIT_FEATURE_LOGINUID_IMMUTABLE	1
438 #define AUDIT_LAST_FEATURE			AUDIT_FEATURE_LOGINUID_IMMUTABLE
439 
440 #define audit_feature_valid(x)		((x) >= 0 && (x) <= AUDIT_LAST_FEATURE)
441 #define AUDIT_FEATURE_TO_MASK(x)	(1 << ((x) & 31)) /* mask for __u32 */
442 
443 struct audit_tty_status {
444 	__u32		enabled;	/* 1 = enabled, 0 = disabled */
445 	__u32		log_passwd;	/* 1 = enabled, 0 = disabled */
446 };
447 
448 #define AUDIT_UID_UNSET (unsigned int)-1
449 
450 /* audit_rule_data supports filter rules with both integer and string
451  * fields.  It corresponds with AUDIT_ADD_RULE, AUDIT_DEL_RULE and
452  * AUDIT_LIST_RULES requests.
453  */
454 struct audit_rule_data {
455 	__u32		flags;	/* AUDIT_PER_{TASK,CALL}, AUDIT_PREPEND */
456 	__u32		action;	/* AUDIT_NEVER, AUDIT_POSSIBLE, AUDIT_ALWAYS */
457 	__u32		field_count;
458 	__u32		mask[AUDIT_BITMASK_SIZE]; /* syscall(s) affected */
459 	__u32		fields[AUDIT_MAX_FIELDS];
460 	__u32		values[AUDIT_MAX_FIELDS];
461 	__u32		fieldflags[AUDIT_MAX_FIELDS];
462 	__u32		buflen;	/* total length of string fields */
463 	char		buf[0];	/* string fields buffer */
464 };
465 
466 #endif /* _UAPI_LINUX_AUDIT_H_ */
467