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85c87212005-04-29 16:23:29 +01001/* audit.h -- Auditing support
Linus Torvalds1da177e2005-04-16 15:20:36 -07002 *
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 _LINUX_AUDIT_H_
25#define _LINUX_AUDIT_H_
26
Jeff Dike3b46e652007-03-06 01:42:17 -080027#include <linux/types.h>
David Woodhousef001e472006-04-27 00:11:01 +010028#include <linux/elf-em.h>
Eric Parisd7e75282012-01-03 14:23:06 -050029#include <linux/ptrace.h>
2fd6f582005-04-29 16:08:28 +010030
Steve Grubbc0404992005-05-13 18:17:42 +010031/* 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
Steve Grubb90d526c2005-11-03 15:48:08 +000037 * 1500 - 1599 kernel LSPP events
38 * 1600 - 1699 kernel crypto events
Steve Grubb5bdb9882005-12-03 08:39:35 -050039 * 1700 - 1799 kernel anomaly records
Mimi Zohar523979a2009-02-11 11:12:28 -050040 * 1800 - 1899 kernel integrity events
41 * 1900 - 1999 future kernel use
Steve Grubb90d526c2005-11-03 15:48:08 +000042 * 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)
Steve Grubbc0404992005-05-13 18:17:42 +010049 *
Steve Grubb90d526c2005-11-03 15:48:08 +000050 * Messages from 1000-1199 are bi-directional. 1200-1299 & 2100 - 2999 are
51 * exclusively user space. 1300-2099 is kernel --> user space
52 * communication.
Steve Grubbc0404992005-05-13 18:17:42 +010053 */
Steve Grubbc2f0c7c2005-05-06 12:38:39 +010054#define AUDIT_GET 1000 /* Get status */
55#define AUDIT_SET 1001 /* Set status (enable/disable/auditd) */
Amy Griffis93315ed2006-02-07 12:05:27 -050056#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 */
Steve Grubbc0404992005-05-13 18:17:42 +010059#define AUDIT_USER 1005 /* Message from userspace -- deprecated */
Steve Grubbc2f0c7c2005-05-06 12:38:39 +010060#define AUDIT_LOGIN 1006 /* Define the login id and information */
Steve Grubbc0404992005-05-13 18:17:42 +010061#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 */
Amy Griffis93315ed2006-02-07 12:05:27 -050065#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 */
Al Viro74c3cbe2007-07-22 08:04:18 -040068#define AUDIT_TRIM 1014 /* Trim junk from watched tree */
69#define AUDIT_MAKE_EQUIV 1015 /* Append to watched tree */
Miloslav Trmac6dc2c1b2007-08-23 10:19:53 +010070#define AUDIT_TTY_GET 1016 /* Get TTY auditing status */
71#define AUDIT_TTY_SET 1017 /* Set TTY auditing status */
Steve Grubbc0404992005-05-13 18:17:42 +010072
David Woodhouse4a4cd632005-06-22 14:56:47 +010073#define AUDIT_FIRST_USER_MSG 1100 /* Userspace messages mostly uninteresting to kernel */
74#define AUDIT_USER_AVC 1107 /* We filter this differently */
Miloslav Trmac522ed772007-07-15 23:40:56 -070075#define AUDIT_USER_TTY 1124 /* Non-ICANON TTY input meaning */
David Woodhouse209aba02005-05-18 10:21:07 +010076#define AUDIT_LAST_USER_MSG 1199
Steve Grubb90d526c2005-11-03 15:48:08 +000077#define AUDIT_FIRST_USER_MSG2 2100 /* More user space messages */
78#define AUDIT_LAST_USER_MSG2 2999
Steve Grubbc0404992005-05-13 18:17:42 +010079
80#define AUDIT_DAEMON_START 1200 /* Daemon startup record */
81#define AUDIT_DAEMON_END 1201 /* Daemon normal stop record */
82#define AUDIT_DAEMON_ABORT 1202 /* Daemon error stop record */
83#define AUDIT_DAEMON_CONFIG 1203 /* Daemon config change */
84
85#define AUDIT_SYSCALL 1300 /* Syscall event */
Steve Grubbc8e649b2006-09-29 11:56:49 -040086/* #define AUDIT_FS_WATCH 1301 * Deprecated */
David Woodhouse8f37d472005-05-27 12:17:28 +010087#define AUDIT_PATH 1302 /* Filename path information */
Steve Grubbc0404992005-05-13 18:17:42 +010088#define AUDIT_IPC 1303 /* IPC record */
David Woodhouse3ec3b2f2005-05-17 12:08:48 +010089#define AUDIT_SOCKETCALL 1304 /* sys_socketcall arguments */
Steve Grubbc0404992005-05-13 18:17:42 +010090#define AUDIT_CONFIG_CHANGE 1305 /* Audit system configuration change */
David Woodhouse3ec3b2f2005-05-17 12:08:48 +010091#define AUDIT_SOCKADDR 1306 /* sockaddr copied as syscall arg */
David Woodhouse8f37d472005-05-27 12:17:28 +010092#define AUDIT_CWD 1307 /* Current working directory */
Al Viro473ae302006-04-26 14:04:08 -040093#define AUDIT_EXECVE 1309 /* execve arguments */
Steve Grubb073115d2006-04-02 17:07:33 -040094#define AUDIT_IPC_SET_PERM 1311 /* IPC new permissions record type */
George C. Wilson20ca73b2006-05-24 16:09:55 -050095#define AUDIT_MQ_OPEN 1312 /* POSIX MQ open record type */
96#define AUDIT_MQ_SENDRECV 1313 /* POSIX MQ send/receive record type */
97#define AUDIT_MQ_NOTIFY 1314 /* POSIX MQ notify record type */
98#define AUDIT_MQ_GETSETATTR 1315 /* POSIX MQ get/set attribute record type */
Steve Grubbc8e649b2006-09-29 11:56:49 -040099#define AUDIT_KERNEL_OTHER 1316 /* For use by 3rd party modules */
Al Virodb349502007-02-07 01:48:00 -0500100#define AUDIT_FD_PAIR 1317 /* audit record for pipe/socketpair */
Al Viroa5cb0132007-03-20 13:58:35 -0400101#define AUDIT_OBJ_PID 1318 /* ptrace target */
Miloslav Trmac522ed772007-07-15 23:40:56 -0700102#define AUDIT_TTY 1319 /* Input on an administrative TTY */
Eric Parisc0641f22008-01-07 13:49:15 -0500103#define AUDIT_EOE 1320 /* End of multi-record event */
Eric Paris3fc689e2008-11-11 21:48:18 +1100104#define AUDIT_BPRM_FCAPS 1321 /* Information about fcaps increasing perms */
Eric Parise68b75a02008-11-11 21:48:22 +1100105#define AUDIT_CAPSET 1322 /* Record showing argument to sys_capset */
Al Viro120a7952010-10-30 02:54:44 -0400106#define AUDIT_MMAP 1323 /* Record showing descriptor and flags in mmap */
Thomas Graf43f393c2011-01-16 18:10:28 +0100107#define AUDIT_NETFILTER_PKT 1324 /* Packets traversing netfilter chains */
Thomas Graffbabf312011-01-16 18:12:59 +0100108#define AUDIT_NETFILTER_CFG 1325 /* Netfilter chain modifications */
Steve Grubbc0404992005-05-13 18:17:42 +0100109
110#define AUDIT_AVC 1400 /* SE Linux avc denial or grant */
111#define AUDIT_SELINUX_ERR 1401 /* Internal SE Linux Errors */
Stephen Smalley01116102005-05-21 00:15:52 +0100112#define AUDIT_AVC_PATH 1402 /* dentry, vfsmount pair from avc */
Steve Grubbaf601e42006-01-04 14:08:39 +0000113#define AUDIT_MAC_POLICY_LOAD 1403 /* Policy file load */
114#define AUDIT_MAC_STATUS 1404 /* Changed enforcing,permissive,off */
115#define AUDIT_MAC_CONFIG_CHANGE 1405 /* Changes to booleans */
Paul Moore95d4e6b2006-09-29 17:05:05 -0700116#define AUDIT_MAC_UNLBL_ALLOW 1406 /* NetLabel: allow unlabeled traffic */
117#define AUDIT_MAC_CIPSOV4_ADD 1407 /* NetLabel: add CIPSOv4 DOI entry */
118#define AUDIT_MAC_CIPSOV4_DEL 1408 /* NetLabel: del CIPSOv4 DOI entry */
119#define AUDIT_MAC_MAP_ADD 1409 /* NetLabel: add LSM domain mapping */
120#define AUDIT_MAC_MAP_DEL 1410 /* NetLabel: del LSM domain mapping */
Joy Lattenab5f5e82007-09-17 11:51:22 -0700121#define AUDIT_MAC_IPSEC_ADDSA 1411 /* Not used */
122#define AUDIT_MAC_IPSEC_DELSA 1412 /* Not used */
123#define AUDIT_MAC_IPSEC_ADDSPD 1413 /* Not used */
124#define AUDIT_MAC_IPSEC_DELSPD 1414 /* Not used */
125#define AUDIT_MAC_IPSEC_EVENT 1415 /* Audit an IPSec event */
Paul Moore13541b32008-01-29 08:44:23 -0500126#define AUDIT_MAC_UNLBL_STCADD 1416 /* NetLabel: add a static label */
127#define AUDIT_MAC_UNLBL_STCDEL 1417 /* NetLabel: del a static label */
Steve Grubbc2f0c7c2005-05-06 12:38:39 +0100128
Steve Grubb5bdb9882005-12-03 08:39:35 -0500129#define AUDIT_FIRST_KERN_ANOM_MSG 1700
130#define AUDIT_LAST_KERN_ANOM_MSG 1799
131#define AUDIT_ANOM_PROMISCUOUS 1700 /* Device changed promiscuous mode */
Steve Grubb0a4ff8c2007-04-19 10:28:21 -0400132#define AUDIT_ANOM_ABEND 1701 /* Process ended abnormally */
Kees Cooka51d9ea2012-07-25 17:29:08 -0700133#define AUDIT_ANOM_LINK 1702 /* Suspicious use of file links */
Mimi Zohar3323eec2009-02-04 09:06:58 -0500134#define AUDIT_INTEGRITY_DATA 1800 /* Data integrity verification */
135#define AUDIT_INTEGRITY_METADATA 1801 /* Metadata integrity verification */
136#define AUDIT_INTEGRITY_STATUS 1802 /* Integrity enable status */
137#define AUDIT_INTEGRITY_HASH 1803 /* Integrity HASH type */
138#define AUDIT_INTEGRITY_PCR 1804 /* PCR invalidation msgs */
Mimi Zohar523979a2009-02-11 11:12:28 -0500139#define AUDIT_INTEGRITY_RULE 1805 /* policy rule */
Steve Grubb5bdb9882005-12-03 08:39:35 -0500140
Steve Grubbc2f0c7c2005-05-06 12:38:39 +0100141#define AUDIT_KERNEL 2000 /* Asynchronous audit record. NOT A REQUEST. */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700142
143/* Rule flags */
David Woodhouse0f45aa12005-06-19 19:35:50 +0100144#define AUDIT_FILTER_USER 0x00 /* Apply rule to user-generated messages */
145#define AUDIT_FILTER_TASK 0x01 /* Apply rule at task creation (not syscall) */
146#define AUDIT_FILTER_ENTRY 0x02 /* Apply rule at syscall entry */
147#define AUDIT_FILTER_WATCH 0x03 /* Apply rule to file system watches */
148#define AUDIT_FILTER_EXIT 0x04 /* Apply rule at syscall exit */
Dustin Kirklandc8edc802005-11-03 16:12:36 +0000149#define AUDIT_FILTER_TYPE 0x05 /* Apply rule at audit_log_start */
David Woodhouse0f45aa12005-06-19 19:35:50 +0100150
Dustin Kirklandc8edc802005-11-03 16:12:36 +0000151#define AUDIT_NR_FILTERS 6
David Woodhouse0f45aa12005-06-19 19:35:50 +0100152
153#define AUDIT_FILTER_PREPEND 0x10 /* Prepend to front of list */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700154
155/* Rule actions */
156#define AUDIT_NEVER 0 /* Do not build context if rule matches */
157#define AUDIT_POSSIBLE 1 /* Build context if rule matches */
158#define AUDIT_ALWAYS 2 /* Generate audit record if rule matches */
159
160/* Rule structure sizes -- if these change, different AUDIT_ADD and
161 * AUDIT_LIST commands must be implemented. */
162#define AUDIT_MAX_FIELDS 64
Eric Parisa42da932008-04-18 10:36:22 -0400163#define AUDIT_MAX_KEY_LEN 256
Linus Torvalds1da177e2005-04-16 15:20:36 -0700164#define AUDIT_BITMASK_SIZE 64
165#define AUDIT_WORD(nr) ((__u32)((nr)/32))
166#define AUDIT_BIT(nr) (1 << ((nr) - AUDIT_WORD(nr)*32))
167
Al Virob9155432006-07-01 03:56:16 -0400168#define AUDIT_SYSCALL_CLASSES 16
169#define AUDIT_CLASS_DIR_WRITE 0
170#define AUDIT_CLASS_DIR_WRITE_32 1
171#define AUDIT_CLASS_CHATTR 2
172#define AUDIT_CLASS_CHATTR_32 3
Al Virodc104fb2006-08-31 19:05:56 -0400173#define AUDIT_CLASS_READ 4
174#define AUDIT_CLASS_READ_32 5
175#define AUDIT_CLASS_WRITE 6
176#define AUDIT_CLASS_WRITE_32 7
Amy Griffis7f13da42007-03-29 18:00:37 -0400177#define AUDIT_CLASS_SIGNAL 8
178#define AUDIT_CLASS_SIGNAL_32 9
Al Virob9155432006-07-01 03:56:16 -0400179
Dustin Kirklandb63862f2005-11-03 15:41:46 +0000180/* This bitmask is used to validate user input. It represents all bits that
181 * are currently used in an audit field constant understood by the kernel.
182 * If you are adding a new #define AUDIT_<whatever>, please ensure that
183 * AUDIT_UNUSED_BITS is updated if need be. */
Eric Paris74f23452007-06-04 17:00:14 -0400184#define AUDIT_UNUSED_BITS 0x07FFFC00
Dustin Kirklandb63862f2005-11-03 15:41:46 +0000185
Eric Paris02d86a52012-01-03 14:23:08 -0500186/* AUDIT_FIELD_COMPARE rule list */
187#define AUDIT_COMPARE_UID_TO_OBJ_UID 1
Eric Parisc9fe6852012-01-03 14:23:08 -0500188#define AUDIT_COMPARE_GID_TO_OBJ_GID 2
Peter Moody4a6633e2011-12-13 16:17:51 -0800189#define AUDIT_COMPARE_EUID_TO_OBJ_UID 3
190#define AUDIT_COMPARE_EGID_TO_OBJ_GID 4
191#define AUDIT_COMPARE_AUID_TO_OBJ_UID 5
192#define AUDIT_COMPARE_SUID_TO_OBJ_UID 6
193#define AUDIT_COMPARE_SGID_TO_OBJ_GID 7
194#define AUDIT_COMPARE_FSUID_TO_OBJ_UID 8
195#define AUDIT_COMPARE_FSGID_TO_OBJ_GID 9
Dustin Kirklandb63862f2005-11-03 15:41:46 +0000196
Peter Moody10d68362012-01-04 15:24:31 -0500197#define AUDIT_COMPARE_UID_TO_AUID 10
198#define AUDIT_COMPARE_UID_TO_EUID 11
199#define AUDIT_COMPARE_UID_TO_FSUID 12
200#define AUDIT_COMPARE_UID_TO_SUID 13
201
202#define AUDIT_COMPARE_AUID_TO_FSUID 14
203#define AUDIT_COMPARE_AUID_TO_SUID 15
204#define AUDIT_COMPARE_AUID_TO_EUID 16
205
206#define AUDIT_COMPARE_EUID_TO_SUID 17
207#define AUDIT_COMPARE_EUID_TO_FSUID 18
208
209#define AUDIT_COMPARE_SUID_TO_FSUID 19
210
211#define AUDIT_COMPARE_GID_TO_EGID 20
212#define AUDIT_COMPARE_GID_TO_FSGID 21
213#define AUDIT_COMPARE_GID_TO_SGID 22
214
215#define AUDIT_COMPARE_EGID_TO_FSGID 23
216#define AUDIT_COMPARE_EGID_TO_SGID 24
217#define AUDIT_COMPARE_SGID_TO_FSGID 25
218
219#define AUDIT_MAX_FIELD_COMPARE AUDIT_COMPARE_SGID_TO_FSGID
Peter Moody4a6633e2011-12-13 16:17:51 -0800220
Linus Torvalds1da177e2005-04-16 15:20:36 -0700221/* Rule fields */
222 /* These are useful when checking the
223 * task structure at task creation time
224 * (AUDIT_PER_TASK). */
225#define AUDIT_PID 0
226#define AUDIT_UID 1
227#define AUDIT_EUID 2
228#define AUDIT_SUID 3
229#define AUDIT_FSUID 4
230#define AUDIT_GID 5
231#define AUDIT_EGID 6
232#define AUDIT_SGID 7
233#define AUDIT_FSGID 8
234#define AUDIT_LOGINUID 9
235#define AUDIT_PERS 10
2fd6f582005-04-29 16:08:28 +0100236#define AUDIT_ARCH 11
Dustin Kirklandc8edc802005-11-03 16:12:36 +0000237#define AUDIT_MSGTYPE 12
Darrel Goeddel3a6b9f82006-06-29 16:56:39 -0500238#define AUDIT_SUBJ_USER 13 /* security label user */
239#define AUDIT_SUBJ_ROLE 14 /* security label role */
240#define AUDIT_SUBJ_TYPE 15 /* security label type */
241#define AUDIT_SUBJ_SEN 16 /* security label sensitivity label */
242#define AUDIT_SUBJ_CLR 17 /* security label clearance label */
Al Viro3c662512006-05-06 08:26:27 -0400243#define AUDIT_PPID 18
Darrel Goeddel3a6b9f82006-06-29 16:56:39 -0500244#define AUDIT_OBJ_USER 19
245#define AUDIT_OBJ_ROLE 20
246#define AUDIT_OBJ_TYPE 21
247#define AUDIT_OBJ_LEV_LOW 22
248#define AUDIT_OBJ_LEV_HIGH 23
Linus Torvalds1da177e2005-04-16 15:20:36 -0700249
250 /* These are ONLY useful when checking
251 * at syscall exit time (AUDIT_AT_EXIT). */
252#define AUDIT_DEVMAJOR 100
253#define AUDIT_DEVMINOR 101
254#define AUDIT_INODE 102
255#define AUDIT_EXIT 103
256#define AUDIT_SUCCESS 104 /* exit >= 0; value ignored */
Amy Griffisf368c07d2006-04-07 16:55:56 -0400257#define AUDIT_WATCH 105
Al Viro55669bf2006-08-31 19:26:40 -0400258#define AUDIT_PERM 106
Al Viro74c3cbe2007-07-22 08:04:18 -0400259#define AUDIT_DIR 107
Al Viro8b67dca2008-04-28 04:15:49 -0400260#define AUDIT_FILETYPE 108
Eric Parisefaffd62012-01-03 14:23:07 -0500261#define AUDIT_OBJ_UID 109
Eric Paris54d32182012-01-03 14:23:07 -0500262#define AUDIT_OBJ_GID 110
Eric Paris02d86a52012-01-03 14:23:08 -0500263#define AUDIT_FIELD_COMPARE 111
Linus Torvalds1da177e2005-04-16 15:20:36 -0700264
265#define AUDIT_ARG0 200
266#define AUDIT_ARG1 (AUDIT_ARG0+1)
267#define AUDIT_ARG2 (AUDIT_ARG0+2)
268#define AUDIT_ARG3 (AUDIT_ARG0+3)
269
Amy Griffis5adc8a62006-06-14 18:45:21 -0400270#define AUDIT_FILTERKEY 210
271
Dustin Kirklandb63862f2005-11-03 15:41:46 +0000272#define AUDIT_NEGATE 0x80000000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700273
Dustin Kirklandb63862f2005-11-03 15:41:46 +0000274/* These are the supported operators.
Eric Paris74f23452007-06-04 17:00:14 -0400275 * 4 2 1 8
276 * = > < ?
277 * ----------
278 * 0 0 0 0 00 nonsense
279 * 0 0 0 1 08 & bit mask
280 * 0 0 1 0 10 <
281 * 0 1 0 0 20 >
282 * 0 1 1 0 30 !=
283 * 1 0 0 0 40 =
284 * 1 0 0 1 48 &= bit test
285 * 1 0 1 0 50 <=
286 * 1 1 0 0 60 >=
287 * 1 1 1 1 78 all operators
Dustin Kirklandb63862f2005-11-03 15:41:46 +0000288 */
Eric Paris74f23452007-06-04 17:00:14 -0400289#define AUDIT_BIT_MASK 0x08000000
Dustin Kirklandb63862f2005-11-03 15:41:46 +0000290#define AUDIT_LESS_THAN 0x10000000
291#define AUDIT_GREATER_THAN 0x20000000
292#define AUDIT_NOT_EQUAL 0x30000000
293#define AUDIT_EQUAL 0x40000000
Eric Paris74f23452007-06-04 17:00:14 -0400294#define AUDIT_BIT_TEST (AUDIT_BIT_MASK|AUDIT_EQUAL)
Dustin Kirklandb63862f2005-11-03 15:41:46 +0000295#define AUDIT_LESS_THAN_OR_EQUAL (AUDIT_LESS_THAN|AUDIT_EQUAL)
296#define AUDIT_GREATER_THAN_OR_EQUAL (AUDIT_GREATER_THAN|AUDIT_EQUAL)
Eric Paris74f23452007-06-04 17:00:14 -0400297#define AUDIT_OPERATORS (AUDIT_EQUAL|AUDIT_NOT_EQUAL|AUDIT_BIT_MASK)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700298
Al Viro5af75d82008-12-16 05:59:26 -0500299enum {
300 Audit_equal,
301 Audit_not_equal,
302 Audit_bitmask,
303 Audit_bittest,
304 Audit_lt,
305 Audit_gt,
306 Audit_le,
307 Audit_ge,
308 Audit_bad
309};
310
Linus Torvalds1da177e2005-04-16 15:20:36 -0700311/* Status symbols */
312 /* Mask values */
313#define AUDIT_STATUS_ENABLED 0x0001
314#define AUDIT_STATUS_FAILURE 0x0002
315#define AUDIT_STATUS_PID 0x0004
316#define AUDIT_STATUS_RATE_LIMIT 0x0008
317#define AUDIT_STATUS_BACKLOG_LIMIT 0x0010
318 /* Failure-to-log actions */
319#define AUDIT_FAIL_SILENT 0
320#define AUDIT_FAIL_PRINTK 1
321#define AUDIT_FAIL_PANIC 2
322
2fd6f582005-04-29 16:08:28 +0100323/* distinguish syscall tables */
324#define __AUDIT_ARCH_64BIT 0x80000000
325#define __AUDIT_ARCH_LE 0x40000000
326#define AUDIT_ARCH_ALPHA (EM_ALPHA|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
327#define AUDIT_ARCH_ARM (EM_ARM|__AUDIT_ARCH_LE)
328#define AUDIT_ARCH_ARMEB (EM_ARM)
329#define AUDIT_ARCH_CRIS (EM_CRIS|__AUDIT_ARCH_LE)
330#define AUDIT_ARCH_FRV (EM_FRV)
331#define AUDIT_ARCH_H8300 (EM_H8_300)
332#define AUDIT_ARCH_I386 (EM_386|__AUDIT_ARCH_LE)
333#define AUDIT_ARCH_IA64 (EM_IA_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
334#define AUDIT_ARCH_M32R (EM_M32R)
335#define AUDIT_ARCH_M68K (EM_68K)
336#define AUDIT_ARCH_MIPS (EM_MIPS)
337#define AUDIT_ARCH_MIPSEL (EM_MIPS|__AUDIT_ARCH_LE)
338#define AUDIT_ARCH_MIPS64 (EM_MIPS|__AUDIT_ARCH_64BIT)
339#define AUDIT_ARCH_MIPSEL64 (EM_MIPS|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
340#define AUDIT_ARCH_PARISC (EM_PARISC)
341#define AUDIT_ARCH_PARISC64 (EM_PARISC|__AUDIT_ARCH_64BIT)
342#define AUDIT_ARCH_PPC (EM_PPC)
343#define AUDIT_ARCH_PPC64 (EM_PPC64|__AUDIT_ARCH_64BIT)
344#define AUDIT_ARCH_S390 (EM_S390)
345#define AUDIT_ARCH_S390X (EM_S390|__AUDIT_ARCH_64BIT)
346#define AUDIT_ARCH_SH (EM_SH)
347#define AUDIT_ARCH_SHEL (EM_SH|__AUDIT_ARCH_LE)
348#define AUDIT_ARCH_SH64 (EM_SH|__AUDIT_ARCH_64BIT)
349#define AUDIT_ARCH_SHEL64 (EM_SH|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
350#define AUDIT_ARCH_SPARC (EM_SPARC)
David S. Millerf7ceba32005-07-10 19:29:45 -0700351#define AUDIT_ARCH_SPARC64 (EM_SPARCV9|__AUDIT_ARCH_64BIT)
2fd6f582005-04-29 16:08:28 +0100352#define AUDIT_ARCH_X86_64 (EM_X86_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
353
Al Viro55669bf2006-08-31 19:26:40 -0400354#define AUDIT_PERM_EXEC 1
355#define AUDIT_PERM_WRITE 2
356#define AUDIT_PERM_READ 4
357#define AUDIT_PERM_ATTR 8
358
Linus Torvalds1da177e2005-04-16 15:20:36 -0700359struct audit_status {
360 __u32 mask; /* Bit mask for valid entries */
Steve Grubb23f32d12005-05-13 18:35:15 +0100361 __u32 enabled; /* 1 = enabled, 0 = disabled */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700362 __u32 failure; /* Failure-to-log action */
363 __u32 pid; /* pid of auditd process */
364 __u32 rate_limit; /* messages rate limit (per second) */
365 __u32 backlog_limit; /* waiting messages limit */
366 __u32 lost; /* messages lost */
367 __u32 backlog; /* messages waiting in queue */
368};
369
Miloslav Trmac522ed772007-07-15 23:40:56 -0700370struct audit_tty_status {
371 __u32 enabled; /* 1 = enabled, 0 = disabled */
372};
373
Amy Griffis93315ed2006-02-07 12:05:27 -0500374/* audit_rule_data supports filter rules with both integer and string
375 * fields. It corresponds with AUDIT_ADD_RULE, AUDIT_DEL_RULE and
376 * AUDIT_LIST_RULES requests.
377 */
378struct audit_rule_data {
379 __u32 flags; /* AUDIT_PER_{TASK,CALL}, AUDIT_PREPEND */
380 __u32 action; /* AUDIT_NEVER, AUDIT_POSSIBLE, AUDIT_ALWAYS */
381 __u32 field_count;
Steve Grubb5d330102006-01-09 09:48:17 -0500382 __u32 mask[AUDIT_BITMASK_SIZE]; /* syscall(s) affected */
Amy Griffis93315ed2006-02-07 12:05:27 -0500383 __u32 fields[AUDIT_MAX_FIELDS];
384 __u32 values[AUDIT_MAX_FIELDS];
385 __u32 fieldflags[AUDIT_MAX_FIELDS];
386 __u32 buflen; /* total length of string fields */
387 char buf[0]; /* string fields buffer */
388};
389
390/* audit_rule is supported to maintain backward compatibility with
391 * userspace. It supports integer fields only and corresponds to
392 * AUDIT_ADD, AUDIT_DEL and AUDIT_LIST requests.
393 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700394struct audit_rule { /* for AUDIT_LIST, AUDIT_ADD, and AUDIT_DEL */
395 __u32 flags; /* AUDIT_PER_{TASK,CALL}, AUDIT_PREPEND */
396 __u32 action; /* AUDIT_NEVER, AUDIT_POSSIBLE, AUDIT_ALWAYS */
397 __u32 field_count;
398 __u32 mask[AUDIT_BITMASK_SIZE];
399 __u32 fields[AUDIT_MAX_FIELDS];
400 __u32 values[AUDIT_MAX_FIELDS];
401};
402
403#ifdef __KERNEL__
David Woodhousef001e472006-04-27 00:11:01 +0100404#include <linux/sched.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -0700405
Steve Grubbc2f0c7c2005-05-06 12:38:39 +0100406struct audit_sig_info {
407 uid_t uid;
408 pid_t pid;
Al Viroe1396062006-05-25 10:19:47 -0400409 char ctx[0];
Steve Grubbc2f0c7c2005-05-06 12:38:39 +0100410};
411
Linus Torvalds1da177e2005-04-16 15:20:36 -0700412struct audit_buffer;
413struct audit_context;
414struct inode;
David Woodhouse5bb289b2005-06-24 14:14:05 +0100415struct netlink_skb_parms;
Alexey Dobriyan37721e12011-01-10 08:17:10 +0200416struct path;
Al Viro473ae302006-04-26 14:04:08 -0400417struct linux_binprm;
George C. Wilson20ca73b2006-05-24 16:09:55 -0500418struct mq_attr;
419struct mqstat;
Ahmed S. Darwish9d57a7f2008-03-01 22:03:14 +0200420struct audit_watch;
421struct audit_tree;
422
423struct audit_krule {
424 int vers_ops;
425 u32 flags;
426 u32 listnr;
427 u32 action;
428 u32 mask[AUDIT_BITMASK_SIZE];
429 u32 buflen; /* for data alloc on list rules */
430 u32 field_count;
431 char *filterkey; /* ties events to rules */
432 struct audit_field *fields;
433 struct audit_field *arch_f; /* quick access to arch field */
434 struct audit_field *inode_f; /* quick access to an inode field */
435 struct audit_watch *watch; /* associated watch */
436 struct audit_tree *tree; /* associated watched tree */
437 struct list_head rlist; /* entry in audit_{watch,tree}.rules list */
Al Viroe45aa212008-12-15 01:17:50 -0500438 struct list_head list; /* for AUDIT_LIST* purposes only */
Al Viro0590b932008-12-14 23:45:27 -0500439 u64 prio;
Ahmed S. Darwish9d57a7f2008-03-01 22:03:14 +0200440};
441
442struct audit_field {
443 u32 type;
444 u32 val;
Eric W. Biedermanca57ec02012-09-11 02:18:08 -0700445 kuid_t uid;
446 kgid_t gid;
Ahmed S. Darwish9d57a7f2008-03-01 22:03:14 +0200447 u32 op;
Ahmed S. Darwish04305e42008-04-19 09:59:43 +1000448 char *lsm_str;
449 void *lsm_rule;
Ahmed S. Darwish9d57a7f2008-03-01 22:03:14 +0200450};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700451
Al Virob9155432006-07-01 03:56:16 -0400452extern int __init audit_register_class(int class, unsigned *list);
Al Viro55669bf2006-08-31 19:26:40 -0400453extern int audit_classify_syscall(int abi, unsigned syscall);
Amy Griffise54dc242007-03-29 18:01:04 -0400454extern int audit_classify_arch(int arch);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700455#ifdef CONFIG_AUDITSYSCALL
456/* These are defined in auditsc.c */
457 /* Public API */
458extern int audit_alloc(struct task_struct *task);
Eric Parisa4ff8db2012-01-03 14:23:07 -0500459extern void __audit_free(struct task_struct *task);
Eric Parisb05d8442012-01-03 14:23:06 -0500460extern void __audit_syscall_entry(int arch,
461 int major, unsigned long a0, unsigned long a1,
462 unsigned long a2, unsigned long a3);
Eric Parisd7e75282012-01-03 14:23:06 -0500463extern void __audit_syscall_exit(int ret_success, long ret_value);
Al Virod8945bb52006-05-18 16:01:30 -0400464extern void __audit_getname(const char *name);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700465extern void audit_putname(const char *name);
Al Viro5a190ae2007-06-07 12:19:32 -0400466extern void __audit_inode(const char *name, const struct dentry *dentry);
Jeff Laytonc43a25a2012-10-10 15:25:21 -0400467extern void __audit_inode_child(const struct inode *parent,
468 const struct dentry *dentry);
Kees Cook3dc1c1b2012-04-12 16:47:58 -0500469extern void __audit_seccomp(unsigned long syscall, long signr, int code);
Al Viroa5cb0132007-03-20 13:58:35 -0400470extern void __audit_ptrace(struct task_struct *t);
471
Al Virod51374a2006-08-03 10:59:26 -0400472static inline int audit_dummy_context(void)
473{
474 void *p = current->audit_context;
475 return !p || *(int *)p;
476}
Eric Parisa4ff8db2012-01-03 14:23:07 -0500477static inline void audit_free(struct task_struct *task)
478{
479 if (unlikely(task->audit_context))
480 __audit_free(task);
481}
Eric Parisb05d8442012-01-03 14:23:06 -0500482static inline void audit_syscall_entry(int arch, int major, unsigned long a0,
483 unsigned long a1, unsigned long a2,
484 unsigned long a3)
485{
486 if (unlikely(!audit_dummy_context()))
487 __audit_syscall_entry(arch, major, a0, a1, a2, a3);
488}
Eric Parisd7e75282012-01-03 14:23:06 -0500489static inline void audit_syscall_exit(void *pt_regs)
490{
491 if (unlikely(current->audit_context)) {
492 int success = is_syscall_success(pt_regs);
493 int return_code = regs_return_value(pt_regs);
494
495 __audit_syscall_exit(success, return_code);
496 }
497}
Al Virod8945bb52006-05-18 16:01:30 -0400498static inline void audit_getname(const char *name)
499{
Al Viro5ac3a9c2006-07-16 06:38:45 -0400500 if (unlikely(!audit_dummy_context()))
Al Virod8945bb52006-05-18 16:01:30 -0400501 __audit_getname(name);
502}
Al Viro5a190ae2007-06-07 12:19:32 -0400503static inline void audit_inode(const char *name, const struct dentry *dentry) {
Al Viro5ac3a9c2006-07-16 06:38:45 -0400504 if (unlikely(!audit_dummy_context()))
Al Viro5a190ae2007-06-07 12:19:32 -0400505 __audit_inode(name, dentry);
Amy Griffis73241cc2005-11-03 16:00:25 +0000506}
Jeff Laytonc43a25a2012-10-10 15:25:21 -0400507static inline void audit_inode_child(const struct inode *parent,
508 const struct dentry *dentry) {
Al Viro5ac3a9c2006-07-16 06:38:45 -0400509 if (unlikely(!audit_dummy_context()))
Jeff Laytonc43a25a2012-10-10 15:25:21 -0400510 __audit_inode_child(parent, dentry);
Amy Griffis73241cc2005-11-03 16:00:25 +0000511}
Steve Grubb0a4ff8c2007-04-19 10:28:21 -0400512void audit_core_dumps(long signr);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700513
Kees Cook3dc1c1b2012-04-12 16:47:58 -0500514static inline void audit_seccomp(unsigned long syscall, long signr, int code)
Eric Paris85e7bac32012-01-03 14:23:05 -0500515{
516 if (unlikely(!audit_dummy_context()))
Kees Cook3dc1c1b2012-04-12 16:47:58 -0500517 __audit_seccomp(syscall, signr, code);
Eric Paris85e7bac32012-01-03 14:23:05 -0500518}
519
Al Viroa5cb0132007-03-20 13:58:35 -0400520static inline void audit_ptrace(struct task_struct *t)
521{
522 if (unlikely(!audit_dummy_context()))
523 __audit_ptrace(t);
524}
525
Linus Torvalds1da177e2005-04-16 15:20:36 -0700526 /* Private API (for audit.c only) */
David Woodhousebfb44962005-05-21 21:08:09 +0100527extern unsigned int audit_serial(void);
Al Viro48887e62008-12-06 01:05:50 -0500528extern int auditsc_get_stamp(struct audit_context *ctx,
David Woodhousebfb44962005-05-21 21:08:09 +0100529 struct timespec *t, unsigned int *serial);
Kees Cook9321d522012-10-04 17:11:11 -0700530extern int audit_set_loginuid(kuid_t loginuid);
531
532static inline kuid_t audit_get_loginuid(struct task_struct *tsk)
533{
534 return tsk->loginuid;
535}
536
537static inline int audit_get_sessionid(struct task_struct *tsk)
538{
539 return tsk->sessionid;
540}
541
Joy Latten161a09e2006-11-27 13:11:54 -0600542extern void audit_log_task_context(struct audit_buffer *ab);
Peter Moodye23eb922012-06-14 10:04:35 -0700543extern void audit_log_task_info(struct audit_buffer *ab, struct task_struct *tsk);
Al Viroa33e6752008-12-10 03:40:06 -0500544extern void __audit_ipc_obj(struct kern_ipc_perm *ipcp);
Al Viro2570ebb2011-07-27 14:03:22 -0400545extern void __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode);
Eric Paris07c49412012-01-03 14:23:07 -0500546extern int __audit_bprm(struct linux_binprm *bprm);
547extern void __audit_socketcall(int nargs, unsigned long *args);
548extern int __audit_sockaddr(int len, void *addr);
Al Viro157cf642008-12-14 04:57:47 -0500549extern void __audit_fd_pair(int fd1, int fd2);
Al Virodf0a4282011-07-26 05:26:10 -0400550extern void __audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr);
Al Viroc32c8af2008-12-14 03:46:48 -0500551extern void __audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec *abs_timeout);
Al Viro20114f72008-12-10 07:16:12 -0500552extern void __audit_mq_notify(mqd_t mqdes, const struct sigevent *notification);
Al Viro73929062008-12-10 06:58:59 -0500553extern void __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat);
David Howellsd84f4f92008-11-14 10:39:23 +1100554extern int __audit_log_bprm_fcaps(struct linux_binprm *bprm,
555 const struct cred *new,
556 const struct cred *old);
Al Viro57f71a02009-01-04 14:52:57 -0500557extern void __audit_log_capset(pid_t pid, const struct cred *new, const struct cred *old);
Al Viro120a7952010-10-30 02:54:44 -0400558extern void __audit_mmap_fd(int fd, int flags);
Al Virod8945bb52006-05-18 16:01:30 -0400559
Al Viroa33e6752008-12-10 03:40:06 -0500560static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp)
Al Virod8945bb52006-05-18 16:01:30 -0400561{
Al Viro5ac3a9c2006-07-16 06:38:45 -0400562 if (unlikely(!audit_dummy_context()))
Al Viroa33e6752008-12-10 03:40:06 -0500563 __audit_ipc_obj(ipcp);
Al Virod8945bb52006-05-18 16:01:30 -0400564}
Al Viro157cf642008-12-14 04:57:47 -0500565static inline void audit_fd_pair(int fd1, int fd2)
Al Virodb349502007-02-07 01:48:00 -0500566{
567 if (unlikely(!audit_dummy_context()))
Al Viro157cf642008-12-14 04:57:47 -0500568 __audit_fd_pair(fd1, fd2);
Al Virodb349502007-02-07 01:48:00 -0500569}
Al Viro2570ebb2011-07-27 14:03:22 -0400570static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode)
Al Virod8945bb52006-05-18 16:01:30 -0400571{
Al Viro5ac3a9c2006-07-16 06:38:45 -0400572 if (unlikely(!audit_dummy_context()))
Al Viroe816f372008-12-10 03:47:15 -0500573 __audit_ipc_set_perm(qbytes, uid, gid, mode);
Al Virod8945bb52006-05-18 16:01:30 -0400574}
Eric Paris07c49412012-01-03 14:23:07 -0500575static inline int audit_bprm(struct linux_binprm *bprm)
576{
577 if (unlikely(!audit_dummy_context()))
578 return __audit_bprm(bprm);
579 return 0;
580}
581static inline void audit_socketcall(int nargs, unsigned long *args)
582{
583 if (unlikely(!audit_dummy_context()))
584 __audit_socketcall(nargs, args);
585}
586static inline int audit_sockaddr(int len, void *addr)
587{
588 if (unlikely(!audit_dummy_context()))
589 return __audit_sockaddr(len, addr);
590 return 0;
591}
Al Virodf0a4282011-07-26 05:26:10 -0400592static inline void audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr)
George C. Wilson20ca73b2006-05-24 16:09:55 -0500593{
Al Viro5ac3a9c2006-07-16 06:38:45 -0400594 if (unlikely(!audit_dummy_context()))
Al Viro564f6992008-12-14 04:02:26 -0500595 __audit_mq_open(oflag, mode, attr);
George C. Wilson20ca73b2006-05-24 16:09:55 -0500596}
Al Viroc32c8af2008-12-14 03:46:48 -0500597static inline void audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec *abs_timeout)
George C. Wilson20ca73b2006-05-24 16:09:55 -0500598{
Al Viro5ac3a9c2006-07-16 06:38:45 -0400599 if (unlikely(!audit_dummy_context()))
Al Viroc32c8af2008-12-14 03:46:48 -0500600 __audit_mq_sendrecv(mqdes, msg_len, msg_prio, abs_timeout);
George C. Wilson20ca73b2006-05-24 16:09:55 -0500601}
Al Viro20114f72008-12-10 07:16:12 -0500602static inline void audit_mq_notify(mqd_t mqdes, const struct sigevent *notification)
George C. Wilson20ca73b2006-05-24 16:09:55 -0500603{
Al Viro5ac3a9c2006-07-16 06:38:45 -0400604 if (unlikely(!audit_dummy_context()))
Al Viro20114f72008-12-10 07:16:12 -0500605 __audit_mq_notify(mqdes, notification);
George C. Wilson20ca73b2006-05-24 16:09:55 -0500606}
Al Viro73929062008-12-10 06:58:59 -0500607static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat)
George C. Wilson20ca73b2006-05-24 16:09:55 -0500608{
Al Viro5ac3a9c2006-07-16 06:38:45 -0400609 if (unlikely(!audit_dummy_context()))
Al Viro73929062008-12-10 06:58:59 -0500610 __audit_mq_getsetattr(mqdes, mqstat);
George C. Wilson20ca73b2006-05-24 16:09:55 -0500611}
Eric Paris3fc689e2008-11-11 21:48:18 +1100612
David Howellsd84f4f92008-11-14 10:39:23 +1100613static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm,
614 const struct cred *new,
615 const struct cred *old)
Eric Paris3fc689e2008-11-11 21:48:18 +1100616{
617 if (unlikely(!audit_dummy_context()))
David Howellsd84f4f92008-11-14 10:39:23 +1100618 return __audit_log_bprm_fcaps(bprm, new, old);
619 return 0;
Eric Paris3fc689e2008-11-11 21:48:18 +1100620}
621
Al Viro57f71a02009-01-04 14:52:57 -0500622static inline void audit_log_capset(pid_t pid, const struct cred *new,
David Howellsd84f4f92008-11-14 10:39:23 +1100623 const struct cred *old)
Eric Parise68b75a02008-11-11 21:48:22 +1100624{
625 if (unlikely(!audit_dummy_context()))
Al Viro57f71a02009-01-04 14:52:57 -0500626 __audit_log_capset(pid, new, old);
Eric Parise68b75a02008-11-11 21:48:22 +1100627}
628
Al Viro120a7952010-10-30 02:54:44 -0400629static inline void audit_mmap_fd(int fd, int flags)
630{
631 if (unlikely(!audit_dummy_context()))
632 __audit_mmap_fd(fd, flags);
633}
634
Al Viro471a5c72006-07-10 08:29:24 -0400635extern int audit_n_rules;
Amy Griffise54dc242007-03-29 18:01:04 -0400636extern int audit_signals;
Eric Parisd7e75282012-01-03 14:23:06 -0500637#else /* CONFIG_AUDITSYSCALL */
Kees Cook9321d522012-10-04 17:11:11 -0700638static inline int audit_alloc(struct task_struct *task)
639{
640 return 0;
641}
642static inline void audit_free(struct task_struct *task)
643{ }
644static inline void audit_syscall_entry(int arch, int major, unsigned long a0,
645 unsigned long a1, unsigned long a2,
646 unsigned long a3)
647{ }
648static inline void audit_syscall_exit(void *pt_regs)
649{ }
650static inline int audit_dummy_context(void)
651{
652 return 1;
653}
654static inline void audit_getname(const char *name)
655{ }
656static inline void audit_putname(const char *name)
657{ }
658static inline void __audit_inode(const char *name, const struct dentry *dentry)
659{ }
Jeff Laytonc43a25a2012-10-10 15:25:21 -0400660static inline void __audit_inode_child(const struct inode *parent,
661 const struct dentry *dentry)
Kees Cook9321d522012-10-04 17:11:11 -0700662{ }
663static inline void audit_inode(const char *name, const struct dentry *dentry)
664{ }
Jeff Laytonc43a25a2012-10-10 15:25:21 -0400665static inline void audit_inode_child(const struct inode *parent,
666 const struct dentry *dentry)
Kees Cook9321d522012-10-04 17:11:11 -0700667{ }
668static inline void audit_core_dumps(long signr)
669{ }
670static inline void __audit_seccomp(unsigned long syscall, long signr, int code)
671{ }
672static inline void audit_seccomp(unsigned long syscall, long signr, int code)
673{ }
674static inline int auditsc_get_stamp(struct audit_context *ctx,
675 struct timespec *t, unsigned int *serial)
676{
677 return 0;
678}
679static inline kuid_t audit_get_loginuid(struct task_struct *tsk)
680{
681 return INVALID_UID;
682}
683static inline int audit_get_sessionid(struct task_struct *tsk)
684{
685 return -1;
686}
687static inline void audit_log_task_context(struct audit_buffer *ab)
688{ }
689static inline void audit_log_task_info(struct audit_buffer *ab,
690 struct task_struct *tsk)
691{ }
692static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp)
693{ }
694static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid,
695 gid_t gid, umode_t mode)
696{ }
697static inline int audit_bprm(struct linux_binprm *bprm)
698{
699 return 0;
700}
701static inline void audit_socketcall(int nargs, unsigned long *args)
702{ }
703static inline void audit_fd_pair(int fd1, int fd2)
704{ }
705static inline int audit_sockaddr(int len, void *addr)
706{
707 return 0;
708}
709static inline void audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr)
710{ }
711static inline void audit_mq_sendrecv(mqd_t mqdes, size_t msg_len,
712 unsigned int msg_prio,
713 const struct timespec *abs_timeout)
714{ }
715static inline void audit_mq_notify(mqd_t mqdes,
716 const struct sigevent *notification)
717{ }
718static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat)
719{ }
720static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm,
721 const struct cred *new,
722 const struct cred *old)
723{
724 return 0;
725}
726static inline void audit_log_capset(pid_t pid, const struct cred *new,
727 const struct cred *old)
728{ }
729static inline void audit_mmap_fd(int fd, int flags)
730{ }
731static inline void audit_ptrace(struct task_struct *t)
732{ }
Al Viro471a5c72006-07-10 08:29:24 -0400733#define audit_n_rules 0
Amy Griffise54dc242007-03-29 18:01:04 -0400734#define audit_signals 0
Eric Parisd7e75282012-01-03 14:23:06 -0500735#endif /* CONFIG_AUDITSYSCALL */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700736
737#ifdef CONFIG_AUDIT
738/* These are defined in audit.c */
739 /* Public API */
Joe Perchesb9075fa2011-10-31 17:11:33 -0700740extern __printf(4, 5)
741void audit_log(struct audit_context *ctx, gfp_t gfp_mask, int type,
742 const char *fmt, ...);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700743
Al Viro9796fdd2005-10-21 03:22:03 -0400744extern struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp_mask, int type);
Joe Perchesb9075fa2011-10-31 17:11:33 -0700745extern __printf(2, 3)
746void audit_log_format(struct audit_buffer *ab, const char *fmt, ...);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700747extern void audit_log_end(struct audit_buffer *ab);
Eric Parisde6bbd12008-01-07 14:31:58 -0500748extern int audit_string_contains_control(const char *string,
749 size_t len);
Eric Parisb556f8a2008-04-18 10:12:59 -0400750extern void audit_log_n_hex(struct audit_buffer *ab,
751 const unsigned char *buf,
752 size_t len);
753extern void audit_log_n_string(struct audit_buffer *ab,
754 const char *buf,
755 size_t n);
Eric Parisb556f8a2008-04-18 10:12:59 -0400756extern void audit_log_n_untrustedstring(struct audit_buffer *ab,
757 const char *string,
758 size_t n);
Eric Parisde6bbd12008-01-07 14:31:58 -0500759extern void audit_log_untrustedstring(struct audit_buffer *ab,
83c7d092005-04-29 15:54:44 +0100760 const char *string);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700761extern void audit_log_d_path(struct audit_buffer *ab,
762 const char *prefix,
Al Viro66b3fad2012-03-14 21:48:20 -0400763 const struct path *path);
Eric Paris9d960982009-06-11 14:31:37 -0400764extern void audit_log_key(struct audit_buffer *ab,
765 char *key);
Kees Cooka51d9ea2012-07-25 17:29:08 -0700766extern void audit_log_link_denied(const char *operation,
767 struct path *link);
Miloslav Trmac522ed772007-07-15 23:40:56 -0700768extern void audit_log_lost(const char *message);
Mr Dash Four131ad622011-06-30 13:31:57 +0200769#ifdef CONFIG_SECURITY
770extern void audit_log_secctx(struct audit_buffer *ab, u32 secid);
771#else
Kees Cook9321d522012-10-04 17:11:11 -0700772static inline void audit_log_secctx(struct audit_buffer *ab, u32 secid)
773{ }
Mr Dash Four131ad622011-06-30 13:31:57 +0200774#endif
775
Ahmed S. Darwish9d57a7f2008-03-01 22:03:14 +0200776extern int audit_update_lsm_rules(void);
777
David Woodhousefe7752b2005-12-15 18:33:52 +0000778 /* Private API (for audit.c only) */
Eric W. Biederman02276bd2012-09-10 23:10:16 -0700779extern int audit_filter_user(void);
David Woodhousefe7752b2005-12-15 18:33:52 +0000780extern int audit_filter_type(int type);
Eric W. Biederman017143f2012-09-11 00:19:06 -0700781extern int audit_receive_filter(int type, int pid, int seq,
Eric W. Biedermane1760bd2012-09-10 22:39:43 -0700782 void *data, size_t datasz, kuid_t loginuid,
Eric Paris25323862008-04-18 10:09:25 -0400783 u32 sessionid, u32 sid);
Miloslav Trmac522ed772007-07-15 23:40:56 -0700784extern int audit_enabled;
Kees Cook9321d522012-10-04 17:11:11 -0700785#else /* CONFIG_AUDIT */
786static inline __printf(4, 5)
787void audit_log(struct audit_context *ctx, gfp_t gfp_mask, int type,
788 const char *fmt, ...)
789{ }
790static inline struct audit_buffer *audit_log_start(struct audit_context *ctx,
791 gfp_t gfp_mask, int type)
792{
793 return NULL;
794}
795static inline __printf(2, 3)
796void audit_log_format(struct audit_buffer *ab, const char *fmt, ...)
797{ }
798static inline void audit_log_end(struct audit_buffer *ab)
799{ }
800static inline void audit_log_n_hex(struct audit_buffer *ab,
801 const unsigned char *buf, size_t len)
802{ }
803static inline void audit_log_n_string(struct audit_buffer *ab,
804 const char *buf, size_t n)
805{ }
806static inline void audit_log_n_untrustedstring(struct audit_buffer *ab,
807 const char *string, size_t n)
808{ }
809static inline void audit_log_untrustedstring(struct audit_buffer *ab,
810 const char *string)
811{ }
812static inline void audit_log_d_path(struct audit_buffer *ab,
813 const char *prefix,
814 const struct path *path)
815{ }
816static inline void audit_log_key(struct audit_buffer *ab, char *key)
817{ }
818static inline void audit_log_link_denied(const char *string,
819 const struct path *link)
820{ }
821static inline void audit_log_secctx(struct audit_buffer *ab, u32 secid)
822{ }
Miloslav Trmac522ed772007-07-15 23:40:56 -0700823#define audit_enabled 0
Kees Cook9321d522012-10-04 17:11:11 -0700824#endif /* CONFIG_AUDIT */
825static inline void audit_log_string(struct audit_buffer *ab, const char *buf)
826{
827 audit_log_n_string(ab, buf, strlen(buf));
828}
829
Linus Torvalds1da177e2005-04-16 15:20:36 -0700830#endif
831#endif