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Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-linus
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85c8721f 1/* audit.h -- Auditing support
1da177e4
LT		 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 _LINUX_AUDIT_H_
25#define _LINUX_AUDIT_H_
26
3b46e650 27#include <linux/types.h>
f001e47f 28#include <linux/elf-em.h>
2fd6f58b 29
c0404993
SG		 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
90d526c0
SG		 36 * 1500 - 1599 kernel LSPP events
37 * 1600 - 1699 kernel crypto events
5bdb9886
SG		 38 * 1700 - 1799 kernel anomaly records
39 * 1800 - 1999 future kernel use (maybe integrity labels and related events)
90d526c0
SG		 40 * 2000 is for otherwise unclassified kernel audit messages (legacy)
41 * 2001 - 2099 unused (kernel)
42 * 2100 - 2199 user space anomaly records
43 * 2200 - 2299 user space actions taken in response to anomalies
44 * 2300 - 2399 user space generated LSPP events
45 * 2400 - 2499 user space crypto events
46 * 2500 - 2999 future user space (maybe integrity labels and related events)
c0404993 47 *
90d526c0
SG		 48 * Messages from 1000-1199 are bi-directional. 1200-1299 & 2100 - 2999 are
49 * exclusively user space. 1300-2099 is kernel --> user space
50 * communication.
c0404993 51 */
c2f0c7c3
SG		 52#define AUDIT_GET 1000 /* Get status */
53#define AUDIT_SET 1001 /* Set status (enable/disable/auditd) */
93315ed6
AG		 54#define AUDIT_LIST 1002 /* List syscall rules -- deprecated */
55#define AUDIT_ADD 1003 /* Add syscall rule -- deprecated */
56#define AUDIT_DEL 1004 /* Delete syscall rule -- deprecated */
c0404993 57#define AUDIT_USER 1005 /* Message from userspace -- deprecated */
c2f0c7c3 58#define AUDIT_LOGIN 1006 /* Define the login id and information */
c0404993
SG		 59#define AUDIT_WATCH_INS 1007 /* Insert file/dir watch entry */
60#define AUDIT_WATCH_REM 1008 /* Remove file/dir watch entry */
61#define AUDIT_WATCH_LIST 1009 /* List all file/dir watches */
62#define AUDIT_SIGNAL_INFO 1010 /* Get info about sender of signal to auditd */
93315ed6
AG		 63#define AUDIT_ADD_RULE 1011 /* Add syscall filtering rule */
64#define AUDIT_DEL_RULE 1012 /* Delete syscall filtering rule */
65#define AUDIT_LIST_RULES 1013 /* List syscall filtering rules */
74c3cbe3
AV		 66#define AUDIT_TRIM 1014 /* Trim junk from watched tree */
67#define AUDIT_MAKE_EQUIV 1015 /* Append to watched tree */
6dc2c1b7
MT		 68#define AUDIT_TTY_GET 1016 /* Get TTY auditing status */
69#define AUDIT_TTY_SET 1017 /* Set TTY auditing status */
c0404993 70
4a4cd633
DW		 71#define AUDIT_FIRST_USER_MSG 1100 /* Userspace messages mostly uninteresting to kernel */
72#define AUDIT_USER_AVC 1107 /* We filter this differently */
522ed776 73#define AUDIT_USER_TTY 1124 /* Non-ICANON TTY input meaning */
209aba03 74#define AUDIT_LAST_USER_MSG 1199
90d526c0
SG		 75#define AUDIT_FIRST_USER_MSG2 2100 /* More user space messages */
76#define AUDIT_LAST_USER_MSG2 2999
c0404993
SG		 77
78#define AUDIT_DAEMON_START 1200 /* Daemon startup record */
79#define AUDIT_DAEMON_END 1201 /* Daemon normal stop record */
80#define AUDIT_DAEMON_ABORT 1202 /* Daemon error stop record */
81#define AUDIT_DAEMON_CONFIG 1203 /* Daemon config change */
82
83#define AUDIT_SYSCALL 1300 /* Syscall event */
c8e649ba 84/* #define AUDIT_FS_WATCH 1301 * Deprecated */
8f37d47c 85#define AUDIT_PATH 1302 /* Filename path information */
c0404993 86#define AUDIT_IPC 1303 /* IPC record */
3ec3b2fb 87#define AUDIT_SOCKETCALL 1304 /* sys_socketcall arguments */
c0404993 88#define AUDIT_CONFIG_CHANGE 1305 /* Audit system configuration change */
3ec3b2fb 89#define AUDIT_SOCKADDR 1306 /* sockaddr copied as syscall arg */
8f37d47c 90#define AUDIT_CWD 1307 /* Current working directory */
473ae30b 91#define AUDIT_EXECVE 1309 /* execve arguments */
073115d6 92#define AUDIT_IPC_SET_PERM 1311 /* IPC new permissions record type */
20ca73bc
GW		 93#define AUDIT_MQ_OPEN 1312 /* POSIX MQ open record type */
94#define AUDIT_MQ_SENDRECV 1313 /* POSIX MQ send/receive record type */
95#define AUDIT_MQ_NOTIFY 1314 /* POSIX MQ notify record type */
96#define AUDIT_MQ_GETSETATTR 1315 /* POSIX MQ get/set attribute record type */
c8e649ba 97#define AUDIT_KERNEL_OTHER 1316 /* For use by 3rd party modules */
db349509 98#define AUDIT_FD_PAIR 1317 /* audit record for pipe/socketpair */
a5cb013d 99#define AUDIT_OBJ_PID 1318 /* ptrace target */
522ed776 100#define AUDIT_TTY 1319 /* Input on an administrative TTY */
c0641f28 101#define AUDIT_EOE 1320 /* End of multi-record event */
c0404993
SG		 102
103#define AUDIT_AVC 1400 /* SE Linux avc denial or grant */
104#define AUDIT_SELINUX_ERR 1401 /* Internal SE Linux Errors */
01116105 105#define AUDIT_AVC_PATH 1402 /* dentry, vfsmount pair from avc */
af601e46
SG		 106#define AUDIT_MAC_POLICY_LOAD 1403 /* Policy file load */
107#define AUDIT_MAC_STATUS 1404 /* Changed enforcing,permissive,off */
108#define AUDIT_MAC_CONFIG_CHANGE 1405 /* Changes to booleans */
95d4e6be
PM		 109#define AUDIT_MAC_UNLBL_ALLOW 1406 /* NetLabel: allow unlabeled traffic */
110#define AUDIT_MAC_CIPSOV4_ADD 1407 /* NetLabel: add CIPSOv4 DOI entry */
111#define AUDIT_MAC_CIPSOV4_DEL 1408 /* NetLabel: del CIPSOv4 DOI entry */
112#define AUDIT_MAC_MAP_ADD 1409 /* NetLabel: add LSM domain mapping */
113#define AUDIT_MAC_MAP_DEL 1410 /* NetLabel: del LSM domain mapping */
ab5f5e8b
JL		 114#define AUDIT_MAC_IPSEC_ADDSA 1411 /* Not used */
115#define AUDIT_MAC_IPSEC_DELSA 1412 /* Not used */
116#define AUDIT_MAC_IPSEC_ADDSPD 1413 /* Not used */
117#define AUDIT_MAC_IPSEC_DELSPD 1414 /* Not used */
118#define AUDIT_MAC_IPSEC_EVENT 1415 /* Audit an IPSec event */
13541b3a
PM		 119#define AUDIT_MAC_UNLBL_STCADD 1416 /* NetLabel: add a static label */
120#define AUDIT_MAC_UNLBL_STCDEL 1417 /* NetLabel: del a static label */
c2f0c7c3 121
5bdb9886
SG		 122#define AUDIT_FIRST_KERN_ANOM_MSG 1700
123#define AUDIT_LAST_KERN_ANOM_MSG 1799
124#define AUDIT_ANOM_PROMISCUOUS 1700 /* Device changed promiscuous mode */
0a4ff8c2 125#define AUDIT_ANOM_ABEND 1701 /* Process ended abnormally */
5bdb9886 126
c2f0c7c3 127#define AUDIT_KERNEL 2000 /* Asynchronous audit record. NOT A REQUEST. */
1da177e4
LT		 128
129/* Rule flags */
0f45aa18
DW		 130#define AUDIT_FILTER_USER 0x00 /* Apply rule to user-generated messages */
131#define AUDIT_FILTER_TASK 0x01 /* Apply rule at task creation (not syscall) */
132#define AUDIT_FILTER_ENTRY 0x02 /* Apply rule at syscall entry */
133#define AUDIT_FILTER_WATCH 0x03 /* Apply rule to file system watches */
134#define AUDIT_FILTER_EXIT 0x04 /* Apply rule at syscall exit */
c8edc80c 135#define AUDIT_FILTER_TYPE 0x05 /* Apply rule at audit_log_start */
0f45aa18 136
c8edc80c 137#define AUDIT_NR_FILTERS 6
0f45aa18
DW		 138
139#define AUDIT_FILTER_PREPEND 0x10 /* Prepend to front of list */
1da177e4
LT		 140
141/* Rule actions */
142#define AUDIT_NEVER 0 /* Do not build context if rule matches */
143#define AUDIT_POSSIBLE 1 /* Build context if rule matches */
144#define AUDIT_ALWAYS 2 /* Generate audit record if rule matches */
145
146/* Rule structure sizes -- if these change, different AUDIT_ADD and
147 * AUDIT_LIST commands must be implemented. */
148#define AUDIT_MAX_FIELDS 64
a42da93c 149#define AUDIT_MAX_KEY_LEN 256
1da177e4
LT		 150#define AUDIT_BITMASK_SIZE 64
151#define AUDIT_WORD(nr) ((__u32)((nr)/32))
152#define AUDIT_BIT(nr) (1 << ((nr) - AUDIT_WORD(nr)*32))
153
b915543b
AV		 154#define AUDIT_SYSCALL_CLASSES 16
155#define AUDIT_CLASS_DIR_WRITE 0
156#define AUDIT_CLASS_DIR_WRITE_32 1
157#define AUDIT_CLASS_CHATTR 2
158#define AUDIT_CLASS_CHATTR_32 3
dc104fb3
AV		 159#define AUDIT_CLASS_READ 4
160#define AUDIT_CLASS_READ_32 5
161#define AUDIT_CLASS_WRITE 6
162#define AUDIT_CLASS_WRITE_32 7
7f13da40
AG		 163#define AUDIT_CLASS_SIGNAL 8
164#define AUDIT_CLASS_SIGNAL_32 9
b915543b 165
b63862f4
DK		 166/* This bitmask is used to validate user input. It represents all bits that
167 * are currently used in an audit field constant understood by the kernel.
168 * If you are adding a new #define AUDIT_<whatever>, please ensure that
169 * AUDIT_UNUSED_BITS is updated if need be. */
74f2345b 170#define AUDIT_UNUSED_BITS 0x07FFFC00
b63862f4
DK		 171
172
1da177e4
LT		 173/* Rule fields */
174 /* These are useful when checking the
175 * task structure at task creation time
176 * (AUDIT_PER_TASK). */
177#define AUDIT_PID 0
178#define AUDIT_UID 1
179#define AUDIT_EUID 2
180#define AUDIT_SUID 3
181#define AUDIT_FSUID 4
182#define AUDIT_GID 5
183#define AUDIT_EGID 6
184#define AUDIT_SGID 7
185#define AUDIT_FSGID 8
186#define AUDIT_LOGINUID 9
187#define AUDIT_PERS 10
2fd6f58b 188#define AUDIT_ARCH 11
c8edc80c 189#define AUDIT_MSGTYPE 12
3a6b9f85
DG		 190#define AUDIT_SUBJ_USER 13 /* security label user */
191#define AUDIT_SUBJ_ROLE 14 /* security label role */
192#define AUDIT_SUBJ_TYPE 15 /* security label type */
193#define AUDIT_SUBJ_SEN 16 /* security label sensitivity label */
194#define AUDIT_SUBJ_CLR 17 /* security label clearance label */
3c66251e 195#define AUDIT_PPID 18
3a6b9f85
DG		 196#define AUDIT_OBJ_USER 19
197#define AUDIT_OBJ_ROLE 20
198#define AUDIT_OBJ_TYPE 21
199#define AUDIT_OBJ_LEV_LOW 22
200#define AUDIT_OBJ_LEV_HIGH 23
1da177e4
LT		 201
202 /* These are ONLY useful when checking
203 * at syscall exit time (AUDIT_AT_EXIT). */
204#define AUDIT_DEVMAJOR 100
205#define AUDIT_DEVMINOR 101
206#define AUDIT_INODE 102
207#define AUDIT_EXIT 103
208#define AUDIT_SUCCESS 104 /* exit >= 0; value ignored */
f368c07d 209#define AUDIT_WATCH 105
55669bfa 210#define AUDIT_PERM 106
74c3cbe3 211#define AUDIT_DIR 107
8b67dca9 212#define AUDIT_FILETYPE 108
1da177e4
LT		 213
214#define AUDIT_ARG0 200
215#define AUDIT_ARG1 (AUDIT_ARG0+1)
216#define AUDIT_ARG2 (AUDIT_ARG0+2)
217#define AUDIT_ARG3 (AUDIT_ARG0+3)
218
5adc8a6a
AG		 219#define AUDIT_FILTERKEY 210
220
b63862f4
DK		 221#define AUDIT_NEGATE 0x80000000
222
223/* These are the supported operators.
74f2345b
EP		 224 * 4 2 1 8
225 * = > < ?
226 * ----------
227 * 0 0 0 0 00 nonsense
228 * 0 0 0 1 08 & bit mask
229 * 0 0 1 0 10 <
230 * 0 1 0 0 20 >
231 * 0 1 1 0 30 !=
232 * 1 0 0 0 40 =
233 * 1 0 0 1 48 &= bit test
234 * 1 0 1 0 50 <=
235 * 1 1 0 0 60 >=
236 * 1 1 1 1 78 all operators
b63862f4 237 */
74f2345b 238#define AUDIT_BIT_MASK 0x08000000
b63862f4
DK		 239#define AUDIT_LESS_THAN 0x10000000
240#define AUDIT_GREATER_THAN 0x20000000
241#define AUDIT_NOT_EQUAL 0x30000000
242#define AUDIT_EQUAL 0x40000000
74f2345b 243#define AUDIT_BIT_TEST (AUDIT_BIT_MASK|AUDIT_EQUAL)
b63862f4
DK		 244#define AUDIT_LESS_THAN_OR_EQUAL (AUDIT_LESS_THAN|AUDIT_EQUAL)
245#define AUDIT_GREATER_THAN_OR_EQUAL (AUDIT_GREATER_THAN|AUDIT_EQUAL)
74f2345b 246#define AUDIT_OPERATORS (AUDIT_EQUAL|AUDIT_NOT_EQUAL|AUDIT_BIT_MASK)
1da177e4
LT		 247
248/* Status symbols */
249 /* Mask values */
250#define AUDIT_STATUS_ENABLED 0x0001
251#define AUDIT_STATUS_FAILURE 0x0002
252#define AUDIT_STATUS_PID 0x0004
253#define AUDIT_STATUS_RATE_LIMIT 0x0008
254#define AUDIT_STATUS_BACKLOG_LIMIT 0x0010
255 /* Failure-to-log actions */
256#define AUDIT_FAIL_SILENT 0
257#define AUDIT_FAIL_PRINTK 1
258#define AUDIT_FAIL_PANIC 2
259
2fd6f58b
DW		 260/* distinguish syscall tables */
261#define __AUDIT_ARCH_64BIT 0x80000000
262#define __AUDIT_ARCH_LE 0x40000000
263#define AUDIT_ARCH_ALPHA (EM_ALPHA|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
264#define AUDIT_ARCH_ARM (EM_ARM|__AUDIT_ARCH_LE)
265#define AUDIT_ARCH_ARMEB (EM_ARM)
266#define AUDIT_ARCH_CRIS (EM_CRIS|__AUDIT_ARCH_LE)
267#define AUDIT_ARCH_FRV (EM_FRV)
268#define AUDIT_ARCH_H8300 (EM_H8_300)
269#define AUDIT_ARCH_I386 (EM_386|__AUDIT_ARCH_LE)
270#define AUDIT_ARCH_IA64 (EM_IA_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
271#define AUDIT_ARCH_M32R (EM_M32R)
272#define AUDIT_ARCH_M68K (EM_68K)
273#define AUDIT_ARCH_MIPS (EM_MIPS)
274#define AUDIT_ARCH_MIPSEL (EM_MIPS|__AUDIT_ARCH_LE)
275#define AUDIT_ARCH_MIPS64 (EM_MIPS|__AUDIT_ARCH_64BIT)
276#define AUDIT_ARCH_MIPSEL64 (EM_MIPS|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
277#define AUDIT_ARCH_PARISC (EM_PARISC)
278#define AUDIT_ARCH_PARISC64 (EM_PARISC|__AUDIT_ARCH_64BIT)
279#define AUDIT_ARCH_PPC (EM_PPC)
280#define AUDIT_ARCH_PPC64 (EM_PPC64|__AUDIT_ARCH_64BIT)
281#define AUDIT_ARCH_S390 (EM_S390)
282#define AUDIT_ARCH_S390X (EM_S390|__AUDIT_ARCH_64BIT)
283#define AUDIT_ARCH_SH (EM_SH)
284#define AUDIT_ARCH_SHEL (EM_SH|__AUDIT_ARCH_LE)
285#define AUDIT_ARCH_SH64 (EM_SH|__AUDIT_ARCH_64BIT)
286#define AUDIT_ARCH_SHEL64 (EM_SH|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
287#define AUDIT_ARCH_SPARC (EM_SPARC)
f7ceba36 288#define AUDIT_ARCH_SPARC64 (EM_SPARCV9|__AUDIT_ARCH_64BIT)
2fd6f58b
DW		 289#define AUDIT_ARCH_V850 (EM_V850|__AUDIT_ARCH_LE)
290#define AUDIT_ARCH_X86_64 (EM_X86_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
291
55669bfa
AV		 292#define AUDIT_PERM_EXEC 1
293#define AUDIT_PERM_WRITE 2
294#define AUDIT_PERM_READ 4
295#define AUDIT_PERM_ATTR 8
296
1da177e4
LT		 297struct audit_status {
298 __u32 mask; /* Bit mask for valid entries */
23f32d18 299 __u32 enabled; /* 1 = enabled, 0 = disabled */
1da177e4
LT		 300 __u32 failure; /* Failure-to-log action */
301 __u32 pid; /* pid of auditd process */
302 __u32 rate_limit; /* messages rate limit (per second) */
303 __u32 backlog_limit; /* waiting messages limit */
304 __u32 lost; /* messages lost */
305 __u32 backlog; /* messages waiting in queue */
306};
307
522ed776
MT		 308struct audit_tty_status {
309 __u32 enabled; /* 1 = enabled, 0 = disabled */
310};
311
93315ed6
AG		 312/* audit_rule_data supports filter rules with both integer and string
313 * fields. It corresponds with AUDIT_ADD_RULE, AUDIT_DEL_RULE and
314 * AUDIT_LIST_RULES requests.
315 */
316struct audit_rule_data {
317 __u32 flags; /* AUDIT_PER_{TASK,CALL}, AUDIT_PREPEND */
318 __u32 action; /* AUDIT_NEVER, AUDIT_POSSIBLE, AUDIT_ALWAYS */
319 __u32 field_count;
5d330108 320 __u32 mask[AUDIT_BITMASK_SIZE]; /* syscall(s) affected */
93315ed6
AG		 321 __u32 fields[AUDIT_MAX_FIELDS];
322 __u32 values[AUDIT_MAX_FIELDS];
323 __u32 fieldflags[AUDIT_MAX_FIELDS];
324 __u32 buflen; /* total length of string fields */
325 char buf[0]; /* string fields buffer */
326};
327
328/* audit_rule is supported to maintain backward compatibility with
329 * userspace. It supports integer fields only and corresponds to
330 * AUDIT_ADD, AUDIT_DEL and AUDIT_LIST requests.
331 */
1da177e4
LT		 332struct audit_rule { /* for AUDIT_LIST, AUDIT_ADD, and AUDIT_DEL */
333 __u32 flags; /* AUDIT_PER_{TASK,CALL}, AUDIT_PREPEND */
334 __u32 action; /* AUDIT_NEVER, AUDIT_POSSIBLE, AUDIT_ALWAYS */
335 __u32 field_count;
336 __u32 mask[AUDIT_BITMASK_SIZE];
337 __u32 fields[AUDIT_MAX_FIELDS];
338 __u32 values[AUDIT_MAX_FIELDS];
339};
340
341#ifdef __KERNEL__
f001e47f 342#include <linux/sched.h>
1da177e4 343
c2f0c7c3
SG		 344struct audit_sig_info {
345 uid_t uid;
346 pid_t pid;
e1396065 347 char ctx[0];
c2f0c7c3
SG		 348};
349
1da177e4
LT		 350struct audit_buffer;
351struct audit_context;
352struct inode;
5bb289b5 353struct netlink_skb_parms;
473ae30b 354struct linux_binprm;
20ca73bc
GW		 355struct mq_attr;
356struct mqstat;
9d57a7f9
AD		 357struct audit_watch;
358struct audit_tree;
359
360struct audit_krule {
361 int vers_ops;
362 u32 flags;
363 u32 listnr;
364 u32 action;
365 u32 mask[AUDIT_BITMASK_SIZE];
366 u32 buflen; /* for data alloc on list rules */
367 u32 field_count;
368 char *filterkey; /* ties events to rules */
369 struct audit_field *fields;
370 struct audit_field *arch_f; /* quick access to arch field */
371 struct audit_field *inode_f; /* quick access to an inode field */
372 struct audit_watch *watch; /* associated watch */
373 struct audit_tree *tree; /* associated watched tree */
374 struct list_head rlist; /* entry in audit_{watch,tree}.rules list */
375};
376
377struct audit_field {
378 u32 type;
379 u32 val;
380 u32 op;
04305e4a
AD		 381 char *lsm_str;
382 void *lsm_rule;
9d57a7f9 383};
1da177e4 384
2fd6f58b
DW		 385#define AUDITSC_INVALID 0
386#define AUDITSC_SUCCESS 1
387#define AUDITSC_FAILURE 2
388#define AUDITSC_RESULT(x) ( ((long)(x))<0?AUDITSC_FAILURE:AUDITSC_SUCCESS )
b915543b 389extern int __init audit_register_class(int class, unsigned *list);
55669bfa 390extern int audit_classify_syscall(int abi, unsigned syscall);
e54dc243 391extern int audit_classify_arch(int arch);
1da177e4
LT		 392#ifdef CONFIG_AUDITSYSCALL
393/* These are defined in auditsc.c */
394 /* Public API */
395extern int audit_alloc(struct task_struct *task);
396extern void audit_free(struct task_struct *task);
5411be59 397extern void audit_syscall_entry(int arch,
1da177e4
LT		 398 int major, unsigned long a0, unsigned long a1,
399 unsigned long a2, unsigned long a3);
5411be59 400extern void audit_syscall_exit(int failed, long return_code);
d8945bb5 401extern void __audit_getname(const char *name);
1da177e4 402extern void audit_putname(const char *name);
5a190ae6
AV		 403extern void __audit_inode(const char *name, const struct dentry *dentry);
404extern void __audit_inode_child(const char *dname, const struct dentry *dentry,
73d3ec5a 405 const struct inode *parent);
a5cb013d
AV		 406extern void __audit_ptrace(struct task_struct *t);
407
d51374ad
AV		 408static inline int audit_dummy_context(void)
409{
410 void *p = current->audit_context;
411 return !p || *(int *)p;
412}
d8945bb5
AV		 413static inline void audit_getname(const char *name)
414{
5ac3a9c2 415 if (unlikely(!audit_dummy_context()))
d8945bb5
AV		 416 __audit_getname(name);
417}
5a190ae6 418static inline void audit_inode(const char *name, const struct dentry *dentry) {
5ac3a9c2 419 if (unlikely(!audit_dummy_context()))
5a190ae6 420 __audit_inode(name, dentry);
73241ccc
AG		 421}
422static inline void audit_inode_child(const char *dname,
5a190ae6 423 const struct dentry *dentry,
73d3ec5a 424 const struct inode *parent) {
5ac3a9c2 425 if (unlikely(!audit_dummy_context()))
5a190ae6 426 __audit_inode_child(dname, dentry, parent);
73241ccc 427}
0a4ff8c2 428void audit_core_dumps(long signr);
1da177e4 429
a5cb013d
AV		 430static inline void audit_ptrace(struct task_struct *t)
431{
432 if (unlikely(!audit_dummy_context()))
433 __audit_ptrace(t);
434}
435
1da177e4 436 /* Private API (for audit.c only) */
bfb4496e
DW		 437extern unsigned int audit_serial(void);
438extern void auditsc_get_stamp(struct audit_context *ctx,
439 struct timespec *t, unsigned int *serial);
456be6cd 440extern int audit_set_loginuid(struct task_struct *task, uid_t loginuid);
bfef93a5 441#define audit_get_loginuid(t) ((t)->loginuid)
4746ec5b 442#define audit_get_sessionid(t) ((t)->sessionid)
161a09e7 443extern void audit_log_task_context(struct audit_buffer *ab);
d8945bb5
AV		 444extern int __audit_ipc_obj(struct kern_ipc_perm *ipcp);
445extern int __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode);
473ae30b 446extern int audit_bprm(struct linux_binprm *bprm);
3ec3b2fb
DW		 447extern int audit_socketcall(int nargs, unsigned long *args);
448extern int audit_sockaddr(int len, void *addr);
db349509 449extern int __audit_fd_pair(int fd1, int fd2);
8c8570fb 450extern int audit_set_macxattr(const char *name);
20ca73bc
GW		 451extern int __audit_mq_open(int oflag, mode_t mode, struct mq_attr __user *u_attr);
452extern int __audit_mq_timedsend(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec __user *u_abs_timeout);
453extern int __audit_mq_timedreceive(mqd_t mqdes, size_t msg_len, unsigned int __user *u_msg_prio, const struct timespec __user *u_abs_timeout);
454extern int __audit_mq_notify(mqd_t mqdes, const struct sigevent __user *u_notification);
455extern int __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat);
d8945bb5
AV		 456
457static inline int audit_ipc_obj(struct kern_ipc_perm *ipcp)
458{
5ac3a9c2 459 if (unlikely(!audit_dummy_context()))
d8945bb5
AV		 460 return __audit_ipc_obj(ipcp);
461 return 0;
462}
db349509
AV		 463static inline int audit_fd_pair(int fd1, int fd2)
464{
465 if (unlikely(!audit_dummy_context()))
466 return __audit_fd_pair(fd1, fd2);
467 return 0;
468}
d8945bb5
AV		 469static inline int audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode)
470{
5ac3a9c2 471 if (unlikely(!audit_dummy_context()))
d8945bb5
AV		 472 return __audit_ipc_set_perm(qbytes, uid, gid, mode);
473 return 0;
474}
20ca73bc
GW		 475static inline int audit_mq_open(int oflag, mode_t mode, struct mq_attr __user *u_attr)
476{
5ac3a9c2 477 if (unlikely(!audit_dummy_context()))
20ca73bc
GW		 478 return __audit_mq_open(oflag, mode, u_attr);
479 return 0;
480}
481static inline int audit_mq_timedsend(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec __user *u_abs_timeout)
482{
5ac3a9c2 483 if (unlikely(!audit_dummy_context()))
20ca73bc
GW		 484 return __audit_mq_timedsend(mqdes, msg_len, msg_prio, u_abs_timeout);
485 return 0;
486}
487static inline int audit_mq_timedreceive(mqd_t mqdes, size_t msg_len, unsigned int __user *u_msg_prio, const struct timespec __user *u_abs_timeout)
488{
5ac3a9c2 489 if (unlikely(!audit_dummy_context()))
20ca73bc
GW		 490 return __audit_mq_timedreceive(mqdes, msg_len, u_msg_prio, u_abs_timeout);
491 return 0;
492}
493static inline int audit_mq_notify(mqd_t mqdes, const struct sigevent __user *u_notification)
494{
5ac3a9c2 495 if (unlikely(!audit_dummy_context()))
20ca73bc
GW		 496 return __audit_mq_notify(mqdes, u_notification);
497 return 0;
498}
499static inline int audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat)
500{
5ac3a9c2 501 if (unlikely(!audit_dummy_context()))
20ca73bc
GW		 502 return __audit_mq_getsetattr(mqdes, mqstat);
503 return 0;
504}
471a5c7c 505extern int audit_n_rules;
e54dc243 506extern int audit_signals;
1da177e4
LT		 507#else
508#define audit_alloc(t) ({ 0; })
509#define audit_free(t) do { ; } while (0)
5411be59
AV		 510#define audit_syscall_entry(ta,a,b,c,d,e) do { ; } while (0)
511#define audit_syscall_exit(f,r) do { ; } while (0)
d51374ad 512#define audit_dummy_context() 1
1da177e4
LT		 513#define audit_getname(n) do { ; } while (0)
514#define audit_putname(n) do { ; } while (0)
5a190ae6 515#define __audit_inode(n,d) do { ; } while (0)
73241ccc 516#define __audit_inode_child(d,i,p) do { ; } while (0)
5a190ae6 517#define audit_inode(n,d) do { ; } while (0)
73241ccc 518#define audit_inode_child(d,i,p) do { ; } while (0)
0a4ff8c2 519#define audit_core_dumps(i) do { ; } while (0)
bfb4496e 520#define auditsc_get_stamp(c,t,s) do { BUG(); } while (0)
0c11b942 521#define audit_get_loginuid(t) (-1)
4746ec5b 522#define audit_get_sessionid(t) (-1)
161a09e7 523#define audit_log_task_context(b) do { ; } while (0)
073115d6 524#define audit_ipc_obj(i) ({ 0; })
ac03221a 525#define audit_ipc_set_perm(q,u,g,m) ({ 0; })
473ae30b 526#define audit_bprm(p) ({ 0; })
3ec3b2fb 527#define audit_socketcall(n,a) ({ 0; })
db349509 528#define audit_fd_pair(n,a) ({ 0; })
3ec3b2fb 529#define audit_sockaddr(len, addr) ({ 0; })
8c8570fb 530#define audit_set_macxattr(n) do { ; } while (0)
20ca73bc
GW		 531#define audit_mq_open(o,m,a) ({ 0; })
532#define audit_mq_timedsend(d,l,p,t) ({ 0; })
533#define audit_mq_timedreceive(d,l,p,t) ({ 0; })
534#define audit_mq_notify(d,n) ({ 0; })
535#define audit_mq_getsetattr(d,s) ({ 0; })
a5cb013d 536#define audit_ptrace(t) ((void)0)
471a5c7c 537#define audit_n_rules 0
e54dc243 538#define audit_signals 0
1da177e4
LT		 539#endif
540
541#ifdef CONFIG_AUDIT
542/* These are defined in audit.c */
543 /* Public API */
9796fdd8 544extern void audit_log(struct audit_context *ctx, gfp_t gfp_mask,
9ad9ad38
DW		 545 int type, const char *fmt, ...)
546 __attribute__((format(printf,4,5)));
1da177e4 547
9796fdd8 548extern struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp_mask, int type);
1da177e4
LT		 549extern void audit_log_format(struct audit_buffer *ab,
550 const char *fmt, ...)
551 __attribute__((format(printf,2,3)));
552extern void audit_log_end(struct audit_buffer *ab);
de6bbd1d
EP		 553extern int audit_string_contains_control(const char *string,
554 size_t len);
b556f8ad
EP		 555extern void audit_log_n_hex(struct audit_buffer *ab,
556 const unsigned char *buf,
557 size_t len);
558extern void audit_log_n_string(struct audit_buffer *ab,
559 const char *buf,
560 size_t n);
561#define audit_log_string(a,b) audit_log_n_string(a, b, strlen(b));
562extern void audit_log_n_untrustedstring(struct audit_buffer *ab,
563 const char *string,
564 size_t n);
de6bbd1d 565extern void audit_log_untrustedstring(struct audit_buffer *ab,
83c7d091 566 const char *string);
1da177e4
LT		 567extern void audit_log_d_path(struct audit_buffer *ab,
568 const char *prefix,
44707fdf 569 struct path *path);
522ed776 570extern void audit_log_lost(const char *message);
9d57a7f9
AD		 571extern int audit_update_lsm_rules(void);
572
fe7752ba
DW		 573 /* Private API (for audit.c only) */
574extern int audit_filter_user(struct netlink_skb_parms *cb, int type);
575extern int audit_filter_type(int type);
576extern int audit_receive_filter(int type, int pid, int uid, int seq,
2532386f
EP		 577 void *data, size_t datasz, uid_t loginuid,
578 u32 sessionid, u32 sid);
522ed776 579extern int audit_enabled;
1da177e4 580#else
7b430437 581#define audit_log(c,g,t,f,...) do { ; } while (0)
13774024 582#define audit_log_start(c,g,t) ({ NULL; })
1da177e4
LT		 583#define audit_log_vformat(b,f,a) do { ; } while (0)
584#define audit_log_format(b,f,...) do { ; } while (0)
585#define audit_log_end(b) do { ; } while (0)
b556f8ad
EP		 586#define audit_log_n_hex(a,b,l) do { ; } while (0)
587#define audit_log_n_string(a,c,l) do { ; } while (0)
588#define audit_log_string(a,c) do { ; } while (0)
9c937dcc 589#define audit_log_n_untrustedstring(a,n,s) do { ; } while (0)
b556f8ad 590#define audit_log_untrustedstring(a,s) do { ; } while (0)
44707fdf 591#define audit_log_d_path(b, p, d) do { ; } while (0)
522ed776 592#define audit_enabled 0
1da177e4
LT		 593#endif
594#endif
595#endif
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