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[PATCH] auditing ptrace
[linux-2.6-block.git] / include / linux / audit.h
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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 */
c0404993 66
4a4cd633
DW		 67#define AUDIT_FIRST_USER_MSG 1100 /* Userspace messages mostly uninteresting to kernel */
68#define AUDIT_USER_AVC 1107 /* We filter this differently */
209aba03 69#define AUDIT_LAST_USER_MSG 1199
90d526c0
SG		 70#define AUDIT_FIRST_USER_MSG2 2100 /* More user space messages */
71#define AUDIT_LAST_USER_MSG2 2999
c0404993
SG		 72
73#define AUDIT_DAEMON_START 1200 /* Daemon startup record */
74#define AUDIT_DAEMON_END 1201 /* Daemon normal stop record */
75#define AUDIT_DAEMON_ABORT 1202 /* Daemon error stop record */
76#define AUDIT_DAEMON_CONFIG 1203 /* Daemon config change */
77
78#define AUDIT_SYSCALL 1300 /* Syscall event */
c8e649ba 79/* #define AUDIT_FS_WATCH 1301 * Deprecated */
8f37d47c 80#define AUDIT_PATH 1302 /* Filename path information */
c0404993 81#define AUDIT_IPC 1303 /* IPC record */
3ec3b2fb 82#define AUDIT_SOCKETCALL 1304 /* sys_socketcall arguments */
c0404993 83#define AUDIT_CONFIG_CHANGE 1305 /* Audit system configuration change */
3ec3b2fb 84#define AUDIT_SOCKADDR 1306 /* sockaddr copied as syscall arg */
8f37d47c 85#define AUDIT_CWD 1307 /* Current working directory */
473ae30b 86#define AUDIT_EXECVE 1309 /* execve arguments */
073115d6 87#define AUDIT_IPC_SET_PERM 1311 /* IPC new permissions record type */
20ca73bc
GW		 88#define AUDIT_MQ_OPEN 1312 /* POSIX MQ open record type */
89#define AUDIT_MQ_SENDRECV 1313 /* POSIX MQ send/receive record type */
90#define AUDIT_MQ_NOTIFY 1314 /* POSIX MQ notify record type */
91#define AUDIT_MQ_GETSETATTR 1315 /* POSIX MQ get/set attribute record type */
c8e649ba 92#define AUDIT_KERNEL_OTHER 1316 /* For use by 3rd party modules */
db349509 93#define AUDIT_FD_PAIR 1317 /* audit record for pipe/socketpair */
a5cb013d 94#define AUDIT_OBJ_PID 1318 /* ptrace target */
c0404993
SG		 95
96#define AUDIT_AVC 1400 /* SE Linux avc denial or grant */
97#define AUDIT_SELINUX_ERR 1401 /* Internal SE Linux Errors */
01116105 98#define AUDIT_AVC_PATH 1402 /* dentry, vfsmount pair from avc */
af601e46
SG		 99#define AUDIT_MAC_POLICY_LOAD 1403 /* Policy file load */
100#define AUDIT_MAC_STATUS 1404 /* Changed enforcing,permissive,off */
101#define AUDIT_MAC_CONFIG_CHANGE 1405 /* Changes to booleans */
95d4e6be
PM		 102#define AUDIT_MAC_UNLBL_ALLOW 1406 /* NetLabel: allow unlabeled traffic */
103#define AUDIT_MAC_CIPSOV4_ADD 1407 /* NetLabel: add CIPSOv4 DOI entry */
104#define AUDIT_MAC_CIPSOV4_DEL 1408 /* NetLabel: del CIPSOv4 DOI entry */
105#define AUDIT_MAC_MAP_ADD 1409 /* NetLabel: add LSM domain mapping */
106#define AUDIT_MAC_MAP_DEL 1410 /* NetLabel: del LSM domain mapping */
161a09e7
JL		 107#define AUDIT_MAC_IPSEC_ADDSA 1411 /* Add a XFRM state */
108#define AUDIT_MAC_IPSEC_DELSA 1412 /* Delete a XFRM state */
109#define AUDIT_MAC_IPSEC_ADDSPD 1413 /* Add a XFRM policy */
110#define AUDIT_MAC_IPSEC_DELSPD 1414 /* Delete a XFRM policy */
c2f0c7c3 111
5bdb9886
SG		 112#define AUDIT_FIRST_KERN_ANOM_MSG 1700
113#define AUDIT_LAST_KERN_ANOM_MSG 1799
114#define AUDIT_ANOM_PROMISCUOUS 1700 /* Device changed promiscuous mode */
115
c2f0c7c3 116#define AUDIT_KERNEL 2000 /* Asynchronous audit record. NOT A REQUEST. */
1da177e4
LT		 117
118/* Rule flags */
0f45aa18
DW		 119#define AUDIT_FILTER_USER 0x00 /* Apply rule to user-generated messages */
120#define AUDIT_FILTER_TASK 0x01 /* Apply rule at task creation (not syscall) */
121#define AUDIT_FILTER_ENTRY 0x02 /* Apply rule at syscall entry */
122#define AUDIT_FILTER_WATCH 0x03 /* Apply rule to file system watches */
123#define AUDIT_FILTER_EXIT 0x04 /* Apply rule at syscall exit */
c8edc80c 124#define AUDIT_FILTER_TYPE 0x05 /* Apply rule at audit_log_start */
0f45aa18 125
c8edc80c 126#define AUDIT_NR_FILTERS 6
0f45aa18
DW		 127
128#define AUDIT_FILTER_PREPEND 0x10 /* Prepend to front of list */
1da177e4
LT		 129
130/* Rule actions */
131#define AUDIT_NEVER 0 /* Do not build context if rule matches */
132#define AUDIT_POSSIBLE 1 /* Build context if rule matches */
133#define AUDIT_ALWAYS 2 /* Generate audit record if rule matches */
134
135/* Rule structure sizes -- if these change, different AUDIT_ADD and
136 * AUDIT_LIST commands must be implemented. */
137#define AUDIT_MAX_FIELDS 64
5adc8a6a 138#define AUDIT_MAX_KEY_LEN 32
1da177e4
LT		 139#define AUDIT_BITMASK_SIZE 64
140#define AUDIT_WORD(nr) ((__u32)((nr)/32))
141#define AUDIT_BIT(nr) (1 << ((nr) - AUDIT_WORD(nr)*32))
142
b915543b
AV		 143#define AUDIT_SYSCALL_CLASSES 16
144#define AUDIT_CLASS_DIR_WRITE 0
145#define AUDIT_CLASS_DIR_WRITE_32 1
146#define AUDIT_CLASS_CHATTR 2
147#define AUDIT_CLASS_CHATTR_32 3
dc104fb3
AV		 148#define AUDIT_CLASS_READ 4
149#define AUDIT_CLASS_READ_32 5
150#define AUDIT_CLASS_WRITE 6
151#define AUDIT_CLASS_WRITE_32 7
b915543b 152
b63862f4
DK		 153/* This bitmask is used to validate user input. It represents all bits that
154 * are currently used in an audit field constant understood by the kernel.
155 * If you are adding a new #define AUDIT_<whatever>, please ensure that
156 * AUDIT_UNUSED_BITS is updated if need be. */
157#define AUDIT_UNUSED_BITS 0x0FFFFC00
158
159
1da177e4
LT		 160/* Rule fields */
161 /* These are useful when checking the
162 * task structure at task creation time
163 * (AUDIT_PER_TASK). */
164#define AUDIT_PID 0
165#define AUDIT_UID 1
166#define AUDIT_EUID 2
167#define AUDIT_SUID 3
168#define AUDIT_FSUID 4
169#define AUDIT_GID 5
170#define AUDIT_EGID 6
171#define AUDIT_SGID 7
172#define AUDIT_FSGID 8
173#define AUDIT_LOGINUID 9
174#define AUDIT_PERS 10
2fd6f58b 175#define AUDIT_ARCH 11
c8edc80c 176#define AUDIT_MSGTYPE 12
3a6b9f85
DG		 177#define AUDIT_SUBJ_USER 13 /* security label user */
178#define AUDIT_SUBJ_ROLE 14 /* security label role */
179#define AUDIT_SUBJ_TYPE 15 /* security label type */
180#define AUDIT_SUBJ_SEN 16 /* security label sensitivity label */
181#define AUDIT_SUBJ_CLR 17 /* security label clearance label */
3c66251e 182#define AUDIT_PPID 18
3a6b9f85
DG		 183#define AUDIT_OBJ_USER 19
184#define AUDIT_OBJ_ROLE 20
185#define AUDIT_OBJ_TYPE 21
186#define AUDIT_OBJ_LEV_LOW 22
187#define AUDIT_OBJ_LEV_HIGH 23
1da177e4
LT		 188
189 /* These are ONLY useful when checking
190 * at syscall exit time (AUDIT_AT_EXIT). */
191#define AUDIT_DEVMAJOR 100
192#define AUDIT_DEVMINOR 101
193#define AUDIT_INODE 102
194#define AUDIT_EXIT 103
195#define AUDIT_SUCCESS 104 /* exit >= 0; value ignored */
f368c07d 196#define AUDIT_WATCH 105
55669bfa 197#define AUDIT_PERM 106
1da177e4
LT		 198
199#define AUDIT_ARG0 200
200#define AUDIT_ARG1 (AUDIT_ARG0+1)
201#define AUDIT_ARG2 (AUDIT_ARG0+2)
202#define AUDIT_ARG3 (AUDIT_ARG0+3)
203
5adc8a6a
AG		 204#define AUDIT_FILTERKEY 210
205
b63862f4
DK		 206#define AUDIT_NEGATE 0x80000000
207
208/* These are the supported operators.
209 * 4 2 1
210 * = > <
211 * -------
212 * 0 0 0 0 nonsense
213 * 0 0 1 1 <
214 * 0 1 0 2 >
215 * 0 1 1 3 !=
216 * 1 0 0 4 =
217 * 1 0 1 5 <=
218 * 1 1 0 6 >=
219 * 1 1 1 7 all operators
220 */
221#define AUDIT_LESS_THAN 0x10000000
222#define AUDIT_GREATER_THAN 0x20000000
223#define AUDIT_NOT_EQUAL 0x30000000
224#define AUDIT_EQUAL 0x40000000
225#define AUDIT_LESS_THAN_OR_EQUAL (AUDIT_LESS_THAN|AUDIT_EQUAL)
226#define AUDIT_GREATER_THAN_OR_EQUAL (AUDIT_GREATER_THAN|AUDIT_EQUAL)
227#define AUDIT_OPERATORS (AUDIT_EQUAL|AUDIT_NOT_EQUAL)
1da177e4
LT		 228
229/* Status symbols */
230 /* Mask values */
231#define AUDIT_STATUS_ENABLED 0x0001
232#define AUDIT_STATUS_FAILURE 0x0002
233#define AUDIT_STATUS_PID 0x0004
234#define AUDIT_STATUS_RATE_LIMIT 0x0008
235#define AUDIT_STATUS_BACKLOG_LIMIT 0x0010
236 /* Failure-to-log actions */
237#define AUDIT_FAIL_SILENT 0
238#define AUDIT_FAIL_PRINTK 1
239#define AUDIT_FAIL_PANIC 2
240
2fd6f58b 241/* distinguish syscall tables */
242#define __AUDIT_ARCH_64BIT 0x80000000
243#define __AUDIT_ARCH_LE 0x40000000
244#define AUDIT_ARCH_ALPHA (EM_ALPHA|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
245#define AUDIT_ARCH_ARM (EM_ARM|__AUDIT_ARCH_LE)
246#define AUDIT_ARCH_ARMEB (EM_ARM)
247#define AUDIT_ARCH_CRIS (EM_CRIS|__AUDIT_ARCH_LE)
248#define AUDIT_ARCH_FRV (EM_FRV)
249#define AUDIT_ARCH_H8300 (EM_H8_300)
250#define AUDIT_ARCH_I386 (EM_386|__AUDIT_ARCH_LE)
251#define AUDIT_ARCH_IA64 (EM_IA_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
252#define AUDIT_ARCH_M32R (EM_M32R)
253#define AUDIT_ARCH_M68K (EM_68K)
254#define AUDIT_ARCH_MIPS (EM_MIPS)
255#define AUDIT_ARCH_MIPSEL (EM_MIPS|__AUDIT_ARCH_LE)
256#define AUDIT_ARCH_MIPS64 (EM_MIPS|__AUDIT_ARCH_64BIT)
257#define AUDIT_ARCH_MIPSEL64 (EM_MIPS|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
258#define AUDIT_ARCH_PARISC (EM_PARISC)
259#define AUDIT_ARCH_PARISC64 (EM_PARISC|__AUDIT_ARCH_64BIT)
260#define AUDIT_ARCH_PPC (EM_PPC)
261#define AUDIT_ARCH_PPC64 (EM_PPC64|__AUDIT_ARCH_64BIT)
262#define AUDIT_ARCH_S390 (EM_S390)
263#define AUDIT_ARCH_S390X (EM_S390|__AUDIT_ARCH_64BIT)
264#define AUDIT_ARCH_SH (EM_SH)
265#define AUDIT_ARCH_SHEL (EM_SH|__AUDIT_ARCH_LE)
266#define AUDIT_ARCH_SH64 (EM_SH|__AUDIT_ARCH_64BIT)
267#define AUDIT_ARCH_SHEL64 (EM_SH|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
268#define AUDIT_ARCH_SPARC (EM_SPARC)
f7ceba36 269#define AUDIT_ARCH_SPARC64 (EM_SPARCV9|__AUDIT_ARCH_64BIT)
2fd6f58b 270#define AUDIT_ARCH_V850 (EM_V850|__AUDIT_ARCH_LE)
271#define AUDIT_ARCH_X86_64 (EM_X86_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
272
55669bfa
AV		 273#define AUDIT_PERM_EXEC 1
274#define AUDIT_PERM_WRITE 2
275#define AUDIT_PERM_READ 4
276#define AUDIT_PERM_ATTR 8
277
1da177e4
LT		 278struct audit_status {
279 __u32 mask; /* Bit mask for valid entries */
23f32d18 280 __u32 enabled; /* 1 = enabled, 0 = disabled */
1da177e4
LT		 281 __u32 failure; /* Failure-to-log action */
282 __u32 pid; /* pid of auditd process */
283 __u32 rate_limit; /* messages rate limit (per second) */
284 __u32 backlog_limit; /* waiting messages limit */
285 __u32 lost; /* messages lost */
286 __u32 backlog; /* messages waiting in queue */
287};
288
93315ed6
AG		 289/* audit_rule_data supports filter rules with both integer and string
290 * fields. It corresponds with AUDIT_ADD_RULE, AUDIT_DEL_RULE and
291 * AUDIT_LIST_RULES requests.
292 */
293struct audit_rule_data {
294 __u32 flags; /* AUDIT_PER_{TASK,CALL}, AUDIT_PREPEND */
295 __u32 action; /* AUDIT_NEVER, AUDIT_POSSIBLE, AUDIT_ALWAYS */
296 __u32 field_count;
5d330108 297 __u32 mask[AUDIT_BITMASK_SIZE]; /* syscall(s) affected */
93315ed6
AG		 298 __u32 fields[AUDIT_MAX_FIELDS];
299 __u32 values[AUDIT_MAX_FIELDS];
300 __u32 fieldflags[AUDIT_MAX_FIELDS];
301 __u32 buflen; /* total length of string fields */
302 char buf[0]; /* string fields buffer */
303};
304
305/* audit_rule is supported to maintain backward compatibility with
306 * userspace. It supports integer fields only and corresponds to
307 * AUDIT_ADD, AUDIT_DEL and AUDIT_LIST requests.
308 */
1da177e4
LT		 309struct audit_rule { /* for AUDIT_LIST, AUDIT_ADD, and AUDIT_DEL */
310 __u32 flags; /* AUDIT_PER_{TASK,CALL}, AUDIT_PREPEND */
311 __u32 action; /* AUDIT_NEVER, AUDIT_POSSIBLE, AUDIT_ALWAYS */
312 __u32 field_count;
313 __u32 mask[AUDIT_BITMASK_SIZE];
314 __u32 fields[AUDIT_MAX_FIELDS];
315 __u32 values[AUDIT_MAX_FIELDS];
316};
317
318#ifdef __KERNEL__
f001e47f 319#include <linux/sched.h>
1da177e4 320
c2f0c7c3
SG		 321struct audit_sig_info {
322 uid_t uid;
323 pid_t pid;
e1396065 324 char ctx[0];
c2f0c7c3
SG		 325};
326
1da177e4
LT		 327struct audit_buffer;
328struct audit_context;
329struct inode;
5bb289b5 330struct netlink_skb_parms;
473ae30b 331struct linux_binprm;
20ca73bc
GW		 332struct mq_attr;
333struct mqstat;
1da177e4 334
2fd6f58b 335#define AUDITSC_INVALID 0
336#define AUDITSC_SUCCESS 1
337#define AUDITSC_FAILURE 2
338#define AUDITSC_RESULT(x) ( ((long)(x))<0?AUDITSC_FAILURE:AUDITSC_SUCCESS )
b915543b 339extern int __init audit_register_class(int class, unsigned *list);
55669bfa 340extern int audit_classify_syscall(int abi, unsigned syscall);
1da177e4
LT		 341#ifdef CONFIG_AUDITSYSCALL
342/* These are defined in auditsc.c */
343 /* Public API */
344extern int audit_alloc(struct task_struct *task);
345extern void audit_free(struct task_struct *task);
5411be59 346extern void audit_syscall_entry(int arch,
1da177e4
LT		 347 int major, unsigned long a0, unsigned long a1,
348 unsigned long a2, unsigned long a3);
5411be59 349extern void audit_syscall_exit(int failed, long return_code);
d8945bb5 350extern void __audit_getname(const char *name);
1da177e4 351extern void audit_putname(const char *name);
9c937dcc 352extern void __audit_inode(const char *name, const struct inode *inode);
73241ccc 353extern void __audit_inode_child(const char *dname, const struct inode *inode,
73d3ec5a 354 const struct inode *parent);
3e2efce0 355extern void __audit_inode_update(const struct inode *inode);
a5cb013d
AV		 356extern void __audit_ptrace(struct task_struct *t);
357
d51374ad
AV		 358static inline int audit_dummy_context(void)
359{
360 void *p = current->audit_context;
361 return !p || *(int *)p;
362}
d8945bb5
AV		 363static inline void audit_getname(const char *name)
364{
5ac3a9c2 365 if (unlikely(!audit_dummy_context()))
d8945bb5
AV		 366 __audit_getname(name);
367}
9c937dcc 368static inline void audit_inode(const char *name, const struct inode *inode) {
5ac3a9c2 369 if (unlikely(!audit_dummy_context()))
9c937dcc 370 __audit_inode(name, inode);
73241ccc
AG		 371}
372static inline void audit_inode_child(const char *dname,
73d3ec5a
AG		 373 const struct inode *inode,
374 const struct inode *parent) {
5ac3a9c2 375 if (unlikely(!audit_dummy_context()))
73d3ec5a 376 __audit_inode_child(dname, inode, parent);
73241ccc 377}
3e2efce0 378static inline void audit_inode_update(const struct inode *inode) {
5ac3a9c2 379 if (unlikely(!audit_dummy_context()))
3e2efce0
AG		 380 __audit_inode_update(inode);
381}
1da177e4 382
a5cb013d
AV		 383static inline void audit_ptrace(struct task_struct *t)
384{
385 if (unlikely(!audit_dummy_context()))
386 __audit_ptrace(t);
387}
388
1da177e4 389 /* Private API (for audit.c only) */
bfb4496e
DW		 390extern unsigned int audit_serial(void);
391extern void auditsc_get_stamp(struct audit_context *ctx,
392 struct timespec *t, unsigned int *serial);
456be6cd 393extern int audit_set_loginuid(struct task_struct *task, uid_t loginuid);
1da177e4 394extern uid_t audit_get_loginuid(struct audit_context *ctx);
161a09e7 395extern void audit_log_task_context(struct audit_buffer *ab);
d8945bb5
AV		 396extern int __audit_ipc_obj(struct kern_ipc_perm *ipcp);
397extern int __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode);
473ae30b 398extern int audit_bprm(struct linux_binprm *bprm);
3ec3b2fb
DW		 399extern int audit_socketcall(int nargs, unsigned long *args);
400extern int audit_sockaddr(int len, void *addr);
db349509 401extern int __audit_fd_pair(int fd1, int fd2);
01116105 402extern int audit_avc_path(struct dentry *dentry, struct vfsmount *mnt);
8c8570fb 403extern int audit_set_macxattr(const char *name);
20ca73bc
GW		 404extern int __audit_mq_open(int oflag, mode_t mode, struct mq_attr __user *u_attr);
405extern int __audit_mq_timedsend(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec __user *u_abs_timeout);
406extern int __audit_mq_timedreceive(mqd_t mqdes, size_t msg_len, unsigned int __user *u_msg_prio, const struct timespec __user *u_abs_timeout);
407extern int __audit_mq_notify(mqd_t mqdes, const struct sigevent __user *u_notification);
408extern int __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat);
d8945bb5
AV		 409
410static inline int audit_ipc_obj(struct kern_ipc_perm *ipcp)
411{
5ac3a9c2 412 if (unlikely(!audit_dummy_context()))
d8945bb5
AV		 413 return __audit_ipc_obj(ipcp);
414 return 0;
415}
db349509
AV		 416static inline int audit_fd_pair(int fd1, int fd2)
417{
418 if (unlikely(!audit_dummy_context()))
419 return __audit_fd_pair(fd1, fd2);
420 return 0;
421}
d8945bb5
AV		 422static inline int audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode)
423{
5ac3a9c2 424 if (unlikely(!audit_dummy_context()))
d8945bb5
AV		 425 return __audit_ipc_set_perm(qbytes, uid, gid, mode);
426 return 0;
427}
20ca73bc
GW		 428static inline int audit_mq_open(int oflag, mode_t mode, struct mq_attr __user *u_attr)
429{
5ac3a9c2 430 if (unlikely(!audit_dummy_context()))
20ca73bc
GW		 431 return __audit_mq_open(oflag, mode, u_attr);
432 return 0;
433}
434static inline int audit_mq_timedsend(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec __user *u_abs_timeout)
435{
5ac3a9c2 436 if (unlikely(!audit_dummy_context()))
20ca73bc
GW		 437 return __audit_mq_timedsend(mqdes, msg_len, msg_prio, u_abs_timeout);
438 return 0;
439}
440static 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)
441{
5ac3a9c2 442 if (unlikely(!audit_dummy_context()))
20ca73bc
GW		 443 return __audit_mq_timedreceive(mqdes, msg_len, u_msg_prio, u_abs_timeout);
444 return 0;
445}
446static inline int audit_mq_notify(mqd_t mqdes, const struct sigevent __user *u_notification)
447{
5ac3a9c2 448 if (unlikely(!audit_dummy_context()))
20ca73bc
GW		 449 return __audit_mq_notify(mqdes, u_notification);
450 return 0;
451}
452static inline int audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat)
453{
5ac3a9c2 454 if (unlikely(!audit_dummy_context()))
20ca73bc
GW		 455 return __audit_mq_getsetattr(mqdes, mqstat);
456 return 0;
457}
471a5c7c 458extern int audit_n_rules;
1da177e4
LT		 459#else
460#define audit_alloc(t) ({ 0; })
461#define audit_free(t) do { ; } while (0)
5411be59
AV		 462#define audit_syscall_entry(ta,a,b,c,d,e) do { ; } while (0)
463#define audit_syscall_exit(f,r) do { ; } while (0)
d51374ad 464#define audit_dummy_context() 1
1da177e4
LT		 465#define audit_getname(n) do { ; } while (0)
466#define audit_putname(n) do { ; } while (0)
9c937dcc 467#define __audit_inode(n,i) do { ; } while (0)
73241ccc 468#define __audit_inode_child(d,i,p) do { ; } while (0)
3e2efce0 469#define __audit_inode_update(i) do { ; } while (0)
9c937dcc 470#define audit_inode(n,i) do { ; } while (0)
73241ccc 471#define audit_inode_child(d,i,p) do { ; } while (0)
3e2efce0 472#define audit_inode_update(i) do { ; } while (0)
bfb4496e 473#define auditsc_get_stamp(c,t,s) do { BUG(); } while (0)
1da177e4 474#define audit_get_loginuid(c) ({ -1; })
161a09e7 475#define audit_log_task_context(b) do { ; } while (0)
073115d6 476#define audit_ipc_obj(i) ({ 0; })
ac03221a 477#define audit_ipc_set_perm(q,u,g,m) ({ 0; })
473ae30b 478#define audit_bprm(p) ({ 0; })
3ec3b2fb 479#define audit_socketcall(n,a) ({ 0; })
db349509 480#define audit_fd_pair(n,a) ({ 0; })
3ec3b2fb 481#define audit_sockaddr(len, addr) ({ 0; })
01116105 482#define audit_avc_path(dentry, mnt) ({ 0; })
8c8570fb 483#define audit_set_macxattr(n) do { ; } while (0)
20ca73bc
GW		 484#define audit_mq_open(o,m,a) ({ 0; })
485#define audit_mq_timedsend(d,l,p,t) ({ 0; })
486#define audit_mq_timedreceive(d,l,p,t) ({ 0; })
487#define audit_mq_notify(d,n) ({ 0; })
488#define audit_mq_getsetattr(d,s) ({ 0; })
a5cb013d 489#define audit_ptrace(t) ((void)0)
471a5c7c 490#define audit_n_rules 0
1da177e4
LT		 491#endif
492
493#ifdef CONFIG_AUDIT
494/* These are defined in audit.c */
495 /* Public API */
9796fdd8 496extern void audit_log(struct audit_context *ctx, gfp_t gfp_mask,
9ad9ad38
DW		 497 int type, const char *fmt, ...)
498 __attribute__((format(printf,4,5)));
1da177e4 499
9796fdd8 500extern struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp_mask, int type);
1da177e4
LT		 501extern void audit_log_format(struct audit_buffer *ab,
502 const char *fmt, ...)
503 __attribute__((format(printf,2,3)));
504extern void audit_log_end(struct audit_buffer *ab);
83c7d091 505extern void audit_log_hex(struct audit_buffer *ab,
506 const unsigned char *buf,
507 size_t len);
473ae30b 508extern const char * audit_log_untrustedstring(struct audit_buffer *ab,
83c7d091 509 const char *string);
9c937dcc
AG		 510extern const char * audit_log_n_untrustedstring(struct audit_buffer *ab,
511 size_t n,
512 const char *string);
1da177e4
LT		 513extern void audit_log_d_path(struct audit_buffer *ab,
514 const char *prefix,
515 struct dentry *dentry,
516 struct vfsmount *vfsmnt);
fe7752ba
DW		 517 /* Private API (for audit.c only) */
518extern int audit_filter_user(struct netlink_skb_parms *cb, int type);
519extern int audit_filter_type(int type);
520extern int audit_receive_filter(int type, int pid, int uid, int seq,
ce29b682 521 void *data, size_t datasz, uid_t loginuid, u32 sid);
1da177e4 522#else
7b430437 523#define audit_log(c,g,t,f,...) do { ; } while (0)
13774024 524#define audit_log_start(c,g,t) ({ NULL; })
1da177e4
LT		 525#define audit_log_vformat(b,f,a) do { ; } while (0)
526#define audit_log_format(b,f,...) do { ; } while (0)
527#define audit_log_end(b) do { ; } while (0)
83c7d091 528#define audit_log_hex(a,b,l) do { ; } while (0)
529#define audit_log_untrustedstring(a,s) do { ; } while (0)
9c937dcc 530#define audit_log_n_untrustedstring(a,n,s) do { ; } while (0)
1da177e4
LT		 531#define audit_log_d_path(b,p,d,v) do { ; } while (0)
532#endif
533#endif
534#endif
Linux 6.x block layer and io_uring tree(s)