1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
2 /* audit.h -- Auditing support
3  *
4  * Copyright 2003-2004 Red Hat Inc., Durham, North Carolina.
5  * All Rights Reserved.
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 2 of the License, or
10  * (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
20  *
21  * Written by Rickard E. (Rik) Faith <faith@redhat.com>
22  *
23  */
24 
25 #ifndef _UAPI_LINUX_AUDIT_H_
26 #define _UAPI_LINUX_AUDIT_H_
27 
28 #include <linux/types.h>
29 #include <linux/elf-em.h>
30 
31 /* The netlink messages for the audit system is divided into blocks:
32  * 1000 - 1099 are for commanding the audit system
33  * 1100 - 1199 user space trusted application messages
34  * 1200 - 1299 messages internal to the audit daemon
35  * 1300 - 1399 audit event messages
36  * 1400 - 1499 SE Linux use
37  * 1500 - 1599 kernel LSPP events
38  * 1600 - 1699 kernel crypto events
39  * 1700 - 1799 kernel anomaly records
40  * 1800 - 1899 kernel integrity events
41  * 1900 - 1999 future kernel use
42  * 2000 is for otherwise unclassified kernel audit messages (legacy)
43  * 2001 - 2099 unused (kernel)
44  * 2100 - 2199 user space anomaly records
45  * 2200 - 2299 user space actions taken in response to anomalies
46  * 2300 - 2399 user space generated LSPP events
47  * 2400 - 2499 user space crypto events
48  * 2500 - 2999 future user space (maybe integrity labels and related events)
49  *
50  * Messages from 1000-1199 are bi-directional. 1200-1299 & 2100 - 2999 are
51  * exclusively user space. 1300-2099 is kernel --> user space
52  * communication.
53  */
54 #define AUDIT_GET		1000	/* Get status */
55 #define AUDIT_SET		1001	/* Set status (enable/disable/auditd) */
56 #define AUDIT_LIST		1002	/* List syscall rules -- deprecated */
57 #define AUDIT_ADD		1003	/* Add syscall rule -- deprecated */
58 #define AUDIT_DEL		1004	/* Delete syscall rule -- deprecated */
59 #define AUDIT_USER		1005	/* Message from userspace -- deprecated */
60 #define AUDIT_LOGIN		1006	/* Define the login id and information */
61 #define AUDIT_WATCH_INS		1007	/* Insert file/dir watch entry */
62 #define AUDIT_WATCH_REM		1008	/* Remove file/dir watch entry */
63 #define AUDIT_WATCH_LIST	1009	/* List all file/dir watches */
64 #define AUDIT_SIGNAL_INFO	1010	/* Get info about sender of signal to auditd */
65 #define AUDIT_ADD_RULE		1011	/* Add syscall filtering rule */
66 #define AUDIT_DEL_RULE		1012	/* Delete syscall filtering rule */
67 #define AUDIT_LIST_RULES	1013	/* List syscall filtering rules */
68 #define AUDIT_TRIM		1014	/* Trim junk from watched tree */
69 #define AUDIT_MAKE_EQUIV	1015	/* Append to watched tree */
70 #define AUDIT_TTY_GET		1016	/* Get TTY auditing status */
71 #define AUDIT_TTY_SET		1017	/* Set TTY auditing status */
72 #define AUDIT_SET_FEATURE	1018	/* Turn an audit feature on or off */
73 #define AUDIT_GET_FEATURE	1019	/* Get which features are enabled */
74 
75 #define AUDIT_FIRST_USER_MSG	1100	/* Userspace messages mostly uninteresting to kernel */
76 #define AUDIT_USER_AVC		1107	/* We filter this differently */
77 #define AUDIT_USER_TTY		1124	/* Non-ICANON TTY input meaning */
78 #define AUDIT_LAST_USER_MSG	1199
79 #define AUDIT_FIRST_USER_MSG2	2100	/* More user space messages */
80 #define AUDIT_LAST_USER_MSG2	2999
81 
82 #define AUDIT_DAEMON_START      1200    /* Daemon startup record */
83 #define AUDIT_DAEMON_END        1201    /* Daemon normal stop record */
84 #define AUDIT_DAEMON_ABORT      1202    /* Daemon error stop record */
85 #define AUDIT_DAEMON_CONFIG     1203    /* Daemon config change */
86 
87 #define AUDIT_SYSCALL		1300	/* Syscall event */
88 /* #define AUDIT_FS_WATCH	1301	 * Deprecated */
89 #define AUDIT_PATH		1302	/* Filename path information */
90 #define AUDIT_IPC		1303	/* IPC record */
91 #define AUDIT_SOCKETCALL	1304	/* sys_socketcall arguments */
92 #define AUDIT_CONFIG_CHANGE	1305	/* Audit system configuration change */
93 #define AUDIT_SOCKADDR		1306	/* sockaddr copied as syscall arg */
94 #define AUDIT_CWD		1307	/* Current working directory */
95 #define AUDIT_EXECVE		1309	/* execve arguments */
96 #define AUDIT_IPC_SET_PERM	1311	/* IPC new permissions record type */
97 #define AUDIT_MQ_OPEN		1312	/* POSIX MQ open record type */
98 #define AUDIT_MQ_SENDRECV	1313	/* POSIX MQ send/receive record type */
99 #define AUDIT_MQ_NOTIFY		1314	/* POSIX MQ notify record type */
100 #define AUDIT_MQ_GETSETATTR	1315	/* POSIX MQ get/set attribute record type */
101 #define AUDIT_KERNEL_OTHER	1316	/* For use by 3rd party modules */
102 #define AUDIT_FD_PAIR		1317    /* audit record for pipe/socketpair */
103 #define AUDIT_OBJ_PID		1318	/* ptrace target */
104 #define AUDIT_TTY		1319	/* Input on an administrative TTY */
105 #define AUDIT_EOE		1320	/* End of multi-record event */
106 #define AUDIT_BPRM_FCAPS	1321	/* Information about fcaps increasing perms */
107 #define AUDIT_CAPSET		1322	/* Record showing argument to sys_capset */
108 #define AUDIT_MMAP		1323	/* Record showing descriptor and flags in mmap */
109 #define AUDIT_NETFILTER_PKT	1324	/* Packets traversing netfilter chains */
110 #define AUDIT_NETFILTER_CFG	1325	/* Netfilter chain modifications */
111 #define AUDIT_SECCOMP		1326	/* Secure Computing event */
112 #define AUDIT_PROCTITLE		1327	/* Proctitle emit event */
113 #define AUDIT_FEATURE_CHANGE	1328	/* audit log listing feature changes */
114 #define AUDIT_REPLACE		1329	/* Replace auditd if this packet unanswerd */
115 #define AUDIT_KERN_MODULE	1330	/* Kernel Module events */
116 #define AUDIT_FANOTIFY		1331	/* Fanotify access decision */
117 
118 #define AUDIT_AVC		1400	/* SE Linux avc denial or grant */
119 #define AUDIT_SELINUX_ERR	1401	/* Internal SE Linux Errors */
120 #define AUDIT_AVC_PATH		1402	/* dentry, vfsmount pair from avc */
121 #define AUDIT_MAC_POLICY_LOAD	1403	/* Policy file load */
122 #define AUDIT_MAC_STATUS	1404	/* Changed enforcing,permissive,off */
123 #define AUDIT_MAC_CONFIG_CHANGE	1405	/* Changes to booleans */
124 #define AUDIT_MAC_UNLBL_ALLOW	1406	/* NetLabel: allow unlabeled traffic */
125 #define AUDIT_MAC_CIPSOV4_ADD	1407	/* NetLabel: add CIPSOv4 DOI entry */
126 #define AUDIT_MAC_CIPSOV4_DEL	1408	/* NetLabel: del CIPSOv4 DOI entry */
127 #define AUDIT_MAC_MAP_ADD	1409	/* NetLabel: add LSM domain mapping */
128 #define AUDIT_MAC_MAP_DEL	1410	/* NetLabel: del LSM domain mapping */
129 #define AUDIT_MAC_IPSEC_ADDSA	1411	/* Not used */
130 #define AUDIT_MAC_IPSEC_DELSA	1412	/* Not used  */
131 #define AUDIT_MAC_IPSEC_ADDSPD	1413	/* Not used */
132 #define AUDIT_MAC_IPSEC_DELSPD	1414	/* Not used */
133 #define AUDIT_MAC_IPSEC_EVENT	1415	/* Audit an IPSec event */
134 #define AUDIT_MAC_UNLBL_STCADD	1416	/* NetLabel: add a static label */
135 #define AUDIT_MAC_UNLBL_STCDEL	1417	/* NetLabel: del a static label */
136 #define AUDIT_MAC_CALIPSO_ADD	1418	/* NetLabel: add CALIPSO DOI entry */
137 #define AUDIT_MAC_CALIPSO_DEL	1419	/* NetLabel: del CALIPSO DOI entry */
138 
139 #define AUDIT_FIRST_KERN_ANOM_MSG   1700
140 #define AUDIT_LAST_KERN_ANOM_MSG    1799
141 #define AUDIT_ANOM_PROMISCUOUS      1700 /* Device changed promiscuous mode */
142 #define AUDIT_ANOM_ABEND            1701 /* Process ended abnormally */
143 #define AUDIT_ANOM_LINK		    1702 /* Suspicious use of file links */
144 #define AUDIT_INTEGRITY_DATA	    1800 /* Data integrity verification */
145 #define AUDIT_INTEGRITY_METADATA    1801 /* Metadata integrity verification */
146 #define AUDIT_INTEGRITY_STATUS	    1802 /* Integrity enable status */
147 #define AUDIT_INTEGRITY_HASH	    1803 /* Integrity HASH type */
148 #define AUDIT_INTEGRITY_PCR	    1804 /* PCR invalidation msgs */
149 #define AUDIT_INTEGRITY_RULE	    1805 /* policy rule */
150 #define AUDIT_INTEGRITY_EVM_XATTR   1806 /* New EVM-covered xattr */
151 #define AUDIT_INTEGRITY_POLICY_RULE 1807 /* IMA policy rules */
152 
153 #define AUDIT_KERNEL		2000	/* Asynchronous audit record. NOT A REQUEST. */
154 
155 /* Rule flags */
156 #define AUDIT_FILTER_USER	0x00	/* Apply rule to user-generated messages */
157 #define AUDIT_FILTER_TASK	0x01	/* Apply rule at task creation (not syscall) */
158 #define AUDIT_FILTER_ENTRY	0x02	/* Apply rule at syscall entry */
159 #define AUDIT_FILTER_WATCH	0x03	/* Apply rule to file system watches */
160 #define AUDIT_FILTER_EXIT	0x04	/* Apply rule at syscall exit */
161 #define AUDIT_FILTER_EXCLUDE	0x05	/* Apply rule before record creation */
162 #define AUDIT_FILTER_TYPE	AUDIT_FILTER_EXCLUDE /* obsolete misleading naming */
163 #define AUDIT_FILTER_FS		0x06	/* Apply rule at __audit_inode_child */
164 
165 #define AUDIT_NR_FILTERS	7
166 
167 #define AUDIT_FILTER_PREPEND	0x10	/* Prepend to front of list */
168 
169 /* Rule actions */
170 #define AUDIT_NEVER    0	/* Do not build context if rule matches */
171 #define AUDIT_POSSIBLE 1	/* Build context if rule matches  */
172 #define AUDIT_ALWAYS   2	/* Generate audit record if rule matches */
173 
174 /* Rule structure sizes -- if these change, different AUDIT_ADD and
175  * AUDIT_LIST commands must be implemented. */
176 #define AUDIT_MAX_FIELDS   64
177 #define AUDIT_MAX_KEY_LEN  256
178 #define AUDIT_BITMASK_SIZE 64
179 #define AUDIT_WORD(nr) ((__u32)((nr)/32))
180 #define AUDIT_BIT(nr)  (1U << ((nr) - AUDIT_WORD(nr)*32))
181 
182 #define AUDIT_SYSCALL_CLASSES 16
183 #define AUDIT_CLASS_DIR_WRITE 0
184 #define AUDIT_CLASS_DIR_WRITE_32 1
185 #define AUDIT_CLASS_CHATTR 2
186 #define AUDIT_CLASS_CHATTR_32 3
187 #define AUDIT_CLASS_READ 4
188 #define AUDIT_CLASS_READ_32 5
189 #define AUDIT_CLASS_WRITE 6
190 #define AUDIT_CLASS_WRITE_32 7
191 #define AUDIT_CLASS_SIGNAL 8
192 #define AUDIT_CLASS_SIGNAL_32 9
193 
194 /* This bitmask is used to validate user input.  It represents all bits that
195  * are currently used in an audit field constant understood by the kernel.
196  * If you are adding a new #define AUDIT_<whatever>, please ensure that
197  * AUDIT_UNUSED_BITS is updated if need be. */
198 #define AUDIT_UNUSED_BITS	0x07FFFC00
199 
200 /* AUDIT_FIELD_COMPARE rule list */
201 #define AUDIT_COMPARE_UID_TO_OBJ_UID	1
202 #define AUDIT_COMPARE_GID_TO_OBJ_GID	2
203 #define AUDIT_COMPARE_EUID_TO_OBJ_UID	3
204 #define AUDIT_COMPARE_EGID_TO_OBJ_GID	4
205 #define AUDIT_COMPARE_AUID_TO_OBJ_UID	5
206 #define AUDIT_COMPARE_SUID_TO_OBJ_UID	6
207 #define AUDIT_COMPARE_SGID_TO_OBJ_GID	7
208 #define AUDIT_COMPARE_FSUID_TO_OBJ_UID	8
209 #define AUDIT_COMPARE_FSGID_TO_OBJ_GID	9
210 
211 #define AUDIT_COMPARE_UID_TO_AUID	10
212 #define AUDIT_COMPARE_UID_TO_EUID	11
213 #define AUDIT_COMPARE_UID_TO_FSUID	12
214 #define AUDIT_COMPARE_UID_TO_SUID	13
215 
216 #define AUDIT_COMPARE_AUID_TO_FSUID	14
217 #define AUDIT_COMPARE_AUID_TO_SUID	15
218 #define AUDIT_COMPARE_AUID_TO_EUID	16
219 
220 #define AUDIT_COMPARE_EUID_TO_SUID	17
221 #define AUDIT_COMPARE_EUID_TO_FSUID	18
222 
223 #define AUDIT_COMPARE_SUID_TO_FSUID	19
224 
225 #define AUDIT_COMPARE_GID_TO_EGID	20
226 #define AUDIT_COMPARE_GID_TO_FSGID	21
227 #define AUDIT_COMPARE_GID_TO_SGID	22
228 
229 #define AUDIT_COMPARE_EGID_TO_FSGID	23
230 #define AUDIT_COMPARE_EGID_TO_SGID	24
231 #define AUDIT_COMPARE_SGID_TO_FSGID	25
232 
233 #define AUDIT_MAX_FIELD_COMPARE		AUDIT_COMPARE_SGID_TO_FSGID
234 
235 /* Rule fields */
236 				/* These are useful when checking the
237 				 * task structure at task creation time
238 				 * (AUDIT_PER_TASK).  */
239 #define AUDIT_PID	0
240 #define AUDIT_UID	1
241 #define AUDIT_EUID	2
242 #define AUDIT_SUID	3
243 #define AUDIT_FSUID	4
244 #define AUDIT_GID	5
245 #define AUDIT_EGID	6
246 #define AUDIT_SGID	7
247 #define AUDIT_FSGID	8
248 #define AUDIT_LOGINUID	9
249 #define AUDIT_PERS	10
250 #define AUDIT_ARCH	11
251 #define AUDIT_MSGTYPE	12
252 #define AUDIT_SUBJ_USER	13	/* security label user */
253 #define AUDIT_SUBJ_ROLE	14	/* security label role */
254 #define AUDIT_SUBJ_TYPE	15	/* security label type */
255 #define AUDIT_SUBJ_SEN	16	/* security label sensitivity label */
256 #define AUDIT_SUBJ_CLR	17	/* security label clearance label */
257 #define AUDIT_PPID	18
258 #define AUDIT_OBJ_USER	19
259 #define AUDIT_OBJ_ROLE	20
260 #define AUDIT_OBJ_TYPE	21
261 #define AUDIT_OBJ_LEV_LOW	22
262 #define AUDIT_OBJ_LEV_HIGH	23
263 #define AUDIT_LOGINUID_SET	24
264 #define AUDIT_SESSIONID	25	/* Session ID */
265 #define AUDIT_FSTYPE	26	/* FileSystem Type */
266 
267 				/* These are ONLY useful when checking
268 				 * at syscall exit time (AUDIT_AT_EXIT). */
269 #define AUDIT_DEVMAJOR	100
270 #define AUDIT_DEVMINOR	101
271 #define AUDIT_INODE	102
272 #define AUDIT_EXIT	103
273 #define AUDIT_SUCCESS   104	/* exit >= 0; value ignored */
274 #define AUDIT_WATCH	105
275 #define AUDIT_PERM	106
276 #define AUDIT_DIR	107
277 #define AUDIT_FILETYPE	108
278 #define AUDIT_OBJ_UID	109
279 #define AUDIT_OBJ_GID	110
280 #define AUDIT_FIELD_COMPARE	111
281 #define AUDIT_EXE	112
282 
283 #define AUDIT_ARG0      200
284 #define AUDIT_ARG1      (AUDIT_ARG0+1)
285 #define AUDIT_ARG2      (AUDIT_ARG0+2)
286 #define AUDIT_ARG3      (AUDIT_ARG0+3)
287 
288 #define AUDIT_FILTERKEY	210
289 
290 #define AUDIT_NEGATE			0x80000000
291 
292 /* These are the supported operators.
293  *	4  2  1  8
294  *	=  >  <  ?
295  *	----------
296  *	0  0  0	 0	00	nonsense
297  *	0  0  0	 1	08	&  bit mask
298  *	0  0  1	 0	10	<
299  *	0  1  0	 0	20	>
300  *	0  1  1	 0	30	!=
301  *	1  0  0	 0	40	=
302  *	1  0  0	 1	48	&=  bit test
303  *	1  0  1	 0	50	<=
304  *	1  1  0	 0	60	>=
305  *	1  1  1	 1	78	all operators
306  */
307 #define AUDIT_BIT_MASK			0x08000000
308 #define AUDIT_LESS_THAN			0x10000000
309 #define AUDIT_GREATER_THAN		0x20000000
310 #define AUDIT_NOT_EQUAL			0x30000000
311 #define AUDIT_EQUAL			0x40000000
312 #define AUDIT_BIT_TEST			(AUDIT_BIT_MASK|AUDIT_EQUAL)
313 #define AUDIT_LESS_THAN_OR_EQUAL	(AUDIT_LESS_THAN|AUDIT_EQUAL)
314 #define AUDIT_GREATER_THAN_OR_EQUAL	(AUDIT_GREATER_THAN|AUDIT_EQUAL)
315 #define AUDIT_OPERATORS			(AUDIT_EQUAL|AUDIT_NOT_EQUAL|AUDIT_BIT_MASK)
316 
317 enum {
318 	Audit_equal,
319 	Audit_not_equal,
320 	Audit_bitmask,
321 	Audit_bittest,
322 	Audit_lt,
323 	Audit_gt,
324 	Audit_le,
325 	Audit_ge,
326 	Audit_bad
327 };
328 
329 /* Status symbols */
330 				/* Mask values */
331 #define AUDIT_STATUS_ENABLED		0x0001
332 #define AUDIT_STATUS_FAILURE		0x0002
333 #define AUDIT_STATUS_PID		0x0004
334 #define AUDIT_STATUS_RATE_LIMIT		0x0008
335 #define AUDIT_STATUS_BACKLOG_LIMIT	0x0010
336 #define AUDIT_STATUS_BACKLOG_WAIT_TIME	0x0020
337 #define AUDIT_STATUS_LOST		0x0040
338 
339 #define AUDIT_FEATURE_BITMAP_BACKLOG_LIMIT	0x00000001
340 #define AUDIT_FEATURE_BITMAP_BACKLOG_WAIT_TIME	0x00000002
341 #define AUDIT_FEATURE_BITMAP_EXECUTABLE_PATH	0x00000004
342 #define AUDIT_FEATURE_BITMAP_EXCLUDE_EXTEND	0x00000008
343 #define AUDIT_FEATURE_BITMAP_SESSIONID_FILTER	0x00000010
344 #define AUDIT_FEATURE_BITMAP_LOST_RESET		0x00000020
345 #define AUDIT_FEATURE_BITMAP_FILTER_FS		0x00000040
346 
347 #define AUDIT_FEATURE_BITMAP_ALL (AUDIT_FEATURE_BITMAP_BACKLOG_LIMIT | \
348 				  AUDIT_FEATURE_BITMAP_BACKLOG_WAIT_TIME | \
349 				  AUDIT_FEATURE_BITMAP_EXECUTABLE_PATH | \
350 				  AUDIT_FEATURE_BITMAP_EXCLUDE_EXTEND | \
351 				  AUDIT_FEATURE_BITMAP_SESSIONID_FILTER | \
352 				  AUDIT_FEATURE_BITMAP_LOST_RESET | \
353 				  AUDIT_FEATURE_BITMAP_FILTER_FS)
354 
355 /* deprecated: AUDIT_VERSION_* */
356 #define AUDIT_VERSION_LATEST 		AUDIT_FEATURE_BITMAP_ALL
357 #define AUDIT_VERSION_BACKLOG_LIMIT	AUDIT_FEATURE_BITMAP_BACKLOG_LIMIT
358 #define AUDIT_VERSION_BACKLOG_WAIT_TIME	AUDIT_FEATURE_BITMAP_BACKLOG_WAIT_TIME
359 
360 				/* Failure-to-log actions */
361 #define AUDIT_FAIL_SILENT	0
362 #define AUDIT_FAIL_PRINTK	1
363 #define AUDIT_FAIL_PANIC	2
364 
365 /*
366  * These bits disambiguate different calling conventions that share an
367  * ELF machine type, bitness, and endianness
368  */
369 #define __AUDIT_ARCH_CONVENTION_MASK 0x30000000
370 #define __AUDIT_ARCH_CONVENTION_MIPS64_N32 0x20000000
371 
372 /* distinguish syscall tables */
373 #define __AUDIT_ARCH_64BIT 0x80000000
374 #define __AUDIT_ARCH_LE	   0x40000000
375 
376 #define AUDIT_ARCH_AARCH64	(EM_AARCH64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
377 #define AUDIT_ARCH_ALPHA	(EM_ALPHA|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
378 #define AUDIT_ARCH_ARM		(EM_ARM|__AUDIT_ARCH_LE)
379 #define AUDIT_ARCH_ARMEB	(EM_ARM)
380 #define AUDIT_ARCH_CRIS		(EM_CRIS|__AUDIT_ARCH_LE)
381 #define AUDIT_ARCH_FRV		(EM_FRV)
382 #define AUDIT_ARCH_I386		(EM_386|__AUDIT_ARCH_LE)
383 #define AUDIT_ARCH_IA64		(EM_IA_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
384 #define AUDIT_ARCH_M32R		(EM_M32R)
385 #define AUDIT_ARCH_M68K		(EM_68K)
386 #define AUDIT_ARCH_MICROBLAZE	(EM_MICROBLAZE)
387 #define AUDIT_ARCH_MIPS		(EM_MIPS)
388 #define AUDIT_ARCH_MIPSEL	(EM_MIPS|__AUDIT_ARCH_LE)
389 #define AUDIT_ARCH_MIPS64	(EM_MIPS|__AUDIT_ARCH_64BIT)
390 #define AUDIT_ARCH_MIPS64N32	(EM_MIPS|__AUDIT_ARCH_64BIT|\
391 				 __AUDIT_ARCH_CONVENTION_MIPS64_N32)
392 #define AUDIT_ARCH_MIPSEL64	(EM_MIPS|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
393 #define AUDIT_ARCH_MIPSEL64N32	(EM_MIPS|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE|\
394 				 __AUDIT_ARCH_CONVENTION_MIPS64_N32)
395 #define AUDIT_ARCH_OPENRISC	(EM_OPENRISC)
396 #define AUDIT_ARCH_PARISC	(EM_PARISC)
397 #define AUDIT_ARCH_PARISC64	(EM_PARISC|__AUDIT_ARCH_64BIT)
398 #define AUDIT_ARCH_PPC		(EM_PPC)
399 /* do not define AUDIT_ARCH_PPCLE since it is not supported by audit */
400 #define AUDIT_ARCH_PPC64	(EM_PPC64|__AUDIT_ARCH_64BIT)
401 #define AUDIT_ARCH_PPC64LE	(EM_PPC64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
402 #define AUDIT_ARCH_S390		(EM_S390)
403 #define AUDIT_ARCH_S390X	(EM_S390|__AUDIT_ARCH_64BIT)
404 #define AUDIT_ARCH_SH		(EM_SH)
405 #define AUDIT_ARCH_SHEL		(EM_SH|__AUDIT_ARCH_LE)
406 #define AUDIT_ARCH_SH64		(EM_SH|__AUDIT_ARCH_64BIT)
407 #define AUDIT_ARCH_SHEL64	(EM_SH|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
408 #define AUDIT_ARCH_SPARC	(EM_SPARC)
409 #define AUDIT_ARCH_SPARC64	(EM_SPARCV9|__AUDIT_ARCH_64BIT)
410 #define AUDIT_ARCH_TILEGX	(EM_TILEGX|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
411 #define AUDIT_ARCH_TILEGX32	(EM_TILEGX|__AUDIT_ARCH_LE)
412 #define AUDIT_ARCH_TILEPRO	(EM_TILEPRO|__AUDIT_ARCH_LE)
413 #define AUDIT_ARCH_X86_64	(EM_X86_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
414 
415 #define AUDIT_PERM_EXEC		1
416 #define AUDIT_PERM_WRITE	2
417 #define AUDIT_PERM_READ		4
418 #define AUDIT_PERM_ATTR		8
419 
420 /* MAX_AUDIT_MESSAGE_LENGTH is set in audit:lib/libaudit.h as:
421  * 8970 // PATH_MAX*2+CONTEXT_SIZE*2+11+256+1
422  * max header+body+tailer: 44 + 29 + 32 + 262 + 7 + pad
423  */
424 #define AUDIT_MESSAGE_TEXT_MAX	8560
425 
426 /* Multicast Netlink socket groups (default up to 32) */
427 enum audit_nlgrps {
428 	AUDIT_NLGRP_NONE,	/* Group 0 not used */
429 	AUDIT_NLGRP_READLOG,	/* "best effort" read only socket */
430 	__AUDIT_NLGRP_MAX
431 };
432 #define AUDIT_NLGRP_MAX                (__AUDIT_NLGRP_MAX - 1)
433 
434 struct audit_status {
435 	__u32		mask;		/* Bit mask for valid entries */
436 	__u32		enabled;	/* 1 = enabled, 0 = disabled */
437 	__u32		failure;	/* Failure-to-log action */
438 	__u32		pid;		/* pid of auditd process */
439 	__u32		rate_limit;	/* messages rate limit (per second) */
440 	__u32		backlog_limit;	/* waiting messages limit */
441 	__u32		lost;		/* messages lost */
442 	__u32		backlog;	/* messages waiting in queue */
443 	union {
444 		__u32	version;	/* deprecated: audit api version num */
445 		__u32	feature_bitmap;	/* bitmap of kernel audit features */
446 	};
447 	__u32		backlog_wait_time;/* message queue wait timeout */
448 };
449 
450 struct audit_features {
451 #define AUDIT_FEATURE_VERSION	1
452 	__u32	vers;
453 	__u32	mask;		/* which bits we are dealing with */
454 	__u32	features;	/* which feature to enable/disable */
455 	__u32	lock;		/* which features to lock */
456 };
457 
458 #define AUDIT_FEATURE_ONLY_UNSET_LOGINUID	0
459 #define AUDIT_FEATURE_LOGINUID_IMMUTABLE	1
460 #define AUDIT_LAST_FEATURE			AUDIT_FEATURE_LOGINUID_IMMUTABLE
461 
462 #define audit_feature_valid(x)		((x) >= 0 && (x) <= AUDIT_LAST_FEATURE)
463 #define AUDIT_FEATURE_TO_MASK(x)	(1 << ((x) & 31)) /* mask for __u32 */
464 
465 struct audit_tty_status {
466 	__u32		enabled;	/* 1 = enabled, 0 = disabled */
467 	__u32		log_passwd;	/* 1 = enabled, 0 = disabled */
468 };
469 
470 #define AUDIT_UID_UNSET (unsigned int)-1
471 #define AUDIT_SID_UNSET ((unsigned int)-1)
472 
473 /* audit_rule_data supports filter rules with both integer and string
474  * fields.  It corresponds with AUDIT_ADD_RULE, AUDIT_DEL_RULE and
475  * AUDIT_LIST_RULES requests.
476  */
477 struct audit_rule_data {
478 	__u32		flags;	/* AUDIT_PER_{TASK,CALL}, AUDIT_PREPEND */
479 	__u32		action;	/* AUDIT_NEVER, AUDIT_POSSIBLE, AUDIT_ALWAYS */
480 	__u32		field_count;
481 	__u32		mask[AUDIT_BITMASK_SIZE]; /* syscall(s) affected */
482 	__u32		fields[AUDIT_MAX_FIELDS];
483 	__u32		values[AUDIT_MAX_FIELDS];
484 	__u32		fieldflags[AUDIT_MAX_FIELDS];
485 	__u32		buflen;	/* total length of string fields */
486 	char		buf[0];	/* string fields buffer */
487 };
488 
489 #endif /* _UAPI_LINUX_AUDIT_H_ */
490