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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 | */ | |
1da177e4 LT |
23 | #ifndef _LINUX_AUDIT_H_ |
24 | #define _LINUX_AUDIT_H_ | |
25 | ||
f001e47f | 26 | #include <linux/sched.h> |
c0a3a20b | 27 | #include <linux/ptrace.h> |
607ca46e | 28 | #include <uapi/linux/audit.h> |
1da177e4 | 29 | |
c2f0c7c3 SG |
30 | struct audit_sig_info { |
31 | uid_t uid; | |
32 | pid_t pid; | |
e1396065 | 33 | char ctx[0]; |
c2f0c7c3 SG |
34 | }; |
35 | ||
1da177e4 LT |
36 | struct audit_buffer; |
37 | struct audit_context; | |
38 | struct inode; | |
5bb289b5 | 39 | struct netlink_skb_parms; |
37721e1b | 40 | struct path; |
473ae30b | 41 | struct linux_binprm; |
20ca73bc GW |
42 | struct mq_attr; |
43 | struct mqstat; | |
9d57a7f9 AD |
44 | struct audit_watch; |
45 | struct audit_tree; | |
099dd235 | 46 | struct sk_buff; |
9d57a7f9 AD |
47 | |
48 | struct audit_krule { | |
49 | int vers_ops; | |
50 | u32 flags; | |
51 | u32 listnr; | |
52 | u32 action; | |
53 | u32 mask[AUDIT_BITMASK_SIZE]; | |
54 | u32 buflen; /* for data alloc on list rules */ | |
55 | u32 field_count; | |
56 | char *filterkey; /* ties events to rules */ | |
57 | struct audit_field *fields; | |
58 | struct audit_field *arch_f; /* quick access to arch field */ | |
59 | struct audit_field *inode_f; /* quick access to an inode field */ | |
60 | struct audit_watch *watch; /* associated watch */ | |
61 | struct audit_tree *tree; /* associated watched tree */ | |
62 | struct list_head rlist; /* entry in audit_{watch,tree}.rules list */ | |
e45aa212 | 63 | struct list_head list; /* for AUDIT_LIST* purposes only */ |
0590b933 | 64 | u64 prio; |
9d57a7f9 AD |
65 | }; |
66 | ||
67 | struct audit_field { | |
68 | u32 type; | |
219ca394 RGB |
69 | union { |
70 | u32 val; | |
71 | kuid_t uid; | |
72 | kgid_t gid; | |
73 | struct { | |
74 | char *lsm_str; | |
75 | void *lsm_rule; | |
76 | }; | |
77 | }; | |
9d57a7f9 | 78 | u32 op; |
9d57a7f9 | 79 | }; |
1da177e4 | 80 | |
b0fed402 EP |
81 | extern int is_audit_feature_set(int which); |
82 | ||
b915543b | 83 | extern int __init audit_register_class(int class, unsigned *list); |
55669bfa | 84 | extern int audit_classify_syscall(int abi, unsigned syscall); |
e54dc243 | 85 | extern int audit_classify_arch(int arch); |
4b588411 AT |
86 | /* only for compat system calls */ |
87 | extern unsigned compat_write_class[]; | |
88 | extern unsigned compat_read_class[]; | |
89 | extern unsigned compat_dir_class[]; | |
90 | extern unsigned compat_chattr_class[]; | |
91 | extern unsigned compat_signal_class[]; | |
92 | ||
9e8beeb7 | 93 | extern int audit_classify_compat_syscall(int abi, unsigned syscall); |
78e2e802 JL |
94 | |
95 | /* audit_names->type values */ | |
96 | #define AUDIT_TYPE_UNKNOWN 0 /* we don't know yet */ | |
97 | #define AUDIT_TYPE_NORMAL 1 /* a "normal" audit record */ | |
bfcec708 | 98 | #define AUDIT_TYPE_PARENT 2 /* a parent audit record */ |
4fa6b5ec JL |
99 | #define AUDIT_TYPE_CHILD_DELETE 3 /* a child being deleted */ |
100 | #define AUDIT_TYPE_CHILD_CREATE 4 /* a child being created */ | |
78e2e802 | 101 | |
2950fa9d CG |
102 | /* maximized args number that audit_socketcall can process */ |
103 | #define AUDITSC_ARGS 6 | |
104 | ||
91a27b2a JL |
105 | struct filename; |
106 | ||
4d3fb709 EP |
107 | extern void audit_log_session_info(struct audit_buffer *ab); |
108 | ||
312103d6 | 109 | #ifdef CONFIG_AUDIT_COMPAT_GENERIC |
356750e3 EP |
110 | #define audit_is_compat(arch) (!((arch) & __AUDIT_ARCH_64BIT)) |
111 | #else | |
112 | #define audit_is_compat(arch) false | |
113 | #endif | |
114 | ||
1da177e4 | 115 | #ifdef CONFIG_AUDITSYSCALL |
a9ebe0b9 EP |
116 | #include <asm/syscall.h> /* for syscall_get_arch() */ |
117 | ||
1da177e4 LT |
118 | /* These are defined in auditsc.c */ |
119 | /* Public API */ | |
120 | extern int audit_alloc(struct task_struct *task); | |
a4ff8dba | 121 | extern void __audit_free(struct task_struct *task); |
b4f0d375 | 122 | extern void __audit_syscall_entry(int major, unsigned long a0, unsigned long a1, |
b05d8447 | 123 | unsigned long a2, unsigned long a3); |
d7e7528b | 124 | extern void __audit_syscall_exit(int ret_success, long ret_value); |
7ac86265 | 125 | extern struct filename *__audit_reusename(const __user char *uptr); |
91a27b2a JL |
126 | extern void __audit_getname(struct filename *name); |
127 | extern void audit_putname(struct filename *name); | |
79f6530c JL |
128 | |
129 | #define AUDIT_INODE_PARENT 1 /* dentry represents the parent */ | |
130 | #define AUDIT_INODE_HIDDEN 2 /* audit record should be hidden */ | |
adb5c247 | 131 | extern void __audit_inode(struct filename *name, const struct dentry *dentry, |
79f6530c | 132 | unsigned int flags); |
c43a25ab | 133 | extern void __audit_inode_child(const struct inode *parent, |
4fa6b5ec JL |
134 | const struct dentry *dentry, |
135 | const unsigned char type); | |
3dc1c1b2 | 136 | extern void __audit_seccomp(unsigned long syscall, long signr, int code); |
a5cb013d AV |
137 | extern void __audit_ptrace(struct task_struct *t); |
138 | ||
d51374ad AV |
139 | static inline int audit_dummy_context(void) |
140 | { | |
141 | void *p = current->audit_context; | |
142 | return !p || *(int *)p; | |
143 | } | |
a4ff8dba EP |
144 | static inline void audit_free(struct task_struct *task) |
145 | { | |
146 | if (unlikely(task->audit_context)) | |
147 | __audit_free(task); | |
148 | } | |
91397401 | 149 | static inline void audit_syscall_entry(int major, unsigned long a0, |
b05d8447 EP |
150 | unsigned long a1, unsigned long a2, |
151 | unsigned long a3) | |
152 | { | |
cdee3904 | 153 | if (unlikely(current->audit_context)) |
b4f0d375 | 154 | __audit_syscall_entry(major, a0, a1, a2, a3); |
b05d8447 | 155 | } |
d7e7528b EP |
156 | static inline void audit_syscall_exit(void *pt_regs) |
157 | { | |
158 | if (unlikely(current->audit_context)) { | |
159 | int success = is_syscall_success(pt_regs); | |
06bdadd7 | 160 | long return_code = regs_return_value(pt_regs); |
d7e7528b EP |
161 | |
162 | __audit_syscall_exit(success, return_code); | |
163 | } | |
164 | } | |
7ac86265 JL |
165 | static inline struct filename *audit_reusename(const __user char *name) |
166 | { | |
167 | if (unlikely(!audit_dummy_context())) | |
168 | return __audit_reusename(name); | |
169 | return NULL; | |
170 | } | |
91a27b2a | 171 | static inline void audit_getname(struct filename *name) |
d8945bb5 | 172 | { |
5ac3a9c2 | 173 | if (unlikely(!audit_dummy_context())) |
d8945bb5 AV |
174 | __audit_getname(name); |
175 | } | |
79f6530c JL |
176 | static inline void audit_inode(struct filename *name, |
177 | const struct dentry *dentry, | |
bfcec708 | 178 | unsigned int parent) { |
79f6530c JL |
179 | if (unlikely(!audit_dummy_context())) { |
180 | unsigned int flags = 0; | |
181 | if (parent) | |
182 | flags |= AUDIT_INODE_PARENT; | |
183 | __audit_inode(name, dentry, flags); | |
184 | } | |
185 | } | |
186 | static inline void audit_inode_parent_hidden(struct filename *name, | |
187 | const struct dentry *dentry) | |
188 | { | |
5ac3a9c2 | 189 | if (unlikely(!audit_dummy_context())) |
79f6530c JL |
190 | __audit_inode(name, dentry, |
191 | AUDIT_INODE_PARENT | AUDIT_INODE_HIDDEN); | |
73241ccc | 192 | } |
c43a25ab | 193 | static inline void audit_inode_child(const struct inode *parent, |
4fa6b5ec JL |
194 | const struct dentry *dentry, |
195 | const unsigned char type) { | |
5ac3a9c2 | 196 | if (unlikely(!audit_dummy_context())) |
4fa6b5ec | 197 | __audit_inode_child(parent, dentry, type); |
73241ccc | 198 | } |
0a4ff8c2 | 199 | void audit_core_dumps(long signr); |
1da177e4 | 200 | |
3dc1c1b2 | 201 | static inline void audit_seccomp(unsigned long syscall, long signr, int code) |
85e7bac3 | 202 | { |
7b9205bd KC |
203 | /* Force a record to be reported if a signal was delivered. */ |
204 | if (signr || unlikely(!audit_dummy_context())) | |
3dc1c1b2 | 205 | __audit_seccomp(syscall, signr, code); |
85e7bac3 EP |
206 | } |
207 | ||
a5cb013d AV |
208 | static inline void audit_ptrace(struct task_struct *t) |
209 | { | |
210 | if (unlikely(!audit_dummy_context())) | |
211 | __audit_ptrace(t); | |
212 | } | |
213 | ||
1da177e4 | 214 | /* Private API (for audit.c only) */ |
bfb4496e | 215 | extern unsigned int audit_serial(void); |
48887e63 | 216 | extern int auditsc_get_stamp(struct audit_context *ctx, |
bfb4496e | 217 | struct timespec *t, unsigned int *serial); |
9321d526 KC |
218 | extern int audit_set_loginuid(kuid_t loginuid); |
219 | ||
220 | static inline kuid_t audit_get_loginuid(struct task_struct *tsk) | |
221 | { | |
222 | return tsk->loginuid; | |
223 | } | |
224 | ||
b6cfee4c | 225 | static inline unsigned int audit_get_sessionid(struct task_struct *tsk) |
9321d526 KC |
226 | { |
227 | return tsk->sessionid; | |
228 | } | |
229 | ||
a33e6751 | 230 | extern void __audit_ipc_obj(struct kern_ipc_perm *ipcp); |
2570ebbd | 231 | extern void __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode); |
d9cfea91 | 232 | extern void __audit_bprm(struct linux_binprm *bprm); |
2950fa9d | 233 | extern int __audit_socketcall(int nargs, unsigned long *args); |
07c49417 | 234 | extern int __audit_sockaddr(int len, void *addr); |
157cf649 | 235 | extern void __audit_fd_pair(int fd1, int fd2); |
df0a4283 | 236 | extern void __audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr); |
c32c8af4 | 237 | extern void __audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec *abs_timeout); |
20114f71 | 238 | extern void __audit_mq_notify(mqd_t mqdes, const struct sigevent *notification); |
7392906e | 239 | extern void __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat); |
d84f4f99 DH |
240 | extern int __audit_log_bprm_fcaps(struct linux_binprm *bprm, |
241 | const struct cred *new, | |
242 | const struct cred *old); | |
ca24a23e | 243 | extern void __audit_log_capset(const struct cred *new, const struct cred *old); |
120a795d | 244 | extern void __audit_mmap_fd(int fd, int flags); |
d8945bb5 | 245 | |
a33e6751 | 246 | static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp) |
d8945bb5 | 247 | { |
5ac3a9c2 | 248 | if (unlikely(!audit_dummy_context())) |
a33e6751 | 249 | __audit_ipc_obj(ipcp); |
db349509 | 250 | } |
157cf649 | 251 | static inline void audit_fd_pair(int fd1, int fd2) |
d8945bb5 | 252 | { |
5ac3a9c2 | 253 | if (unlikely(!audit_dummy_context())) |
157cf649 | 254 | __audit_fd_pair(fd1, fd2); |
d8945bb5 | 255 | } |
2570ebbd | 256 | static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode) |
20ca73bc | 257 | { |
5ac3a9c2 | 258 | if (unlikely(!audit_dummy_context())) |
e816f370 | 259 | __audit_ipc_set_perm(qbytes, uid, gid, mode); |
20ca73bc | 260 | } |
9410d228 | 261 | static inline void audit_bprm(struct linux_binprm *bprm) |
07c49417 EP |
262 | { |
263 | if (unlikely(!audit_dummy_context())) | |
d9cfea91 | 264 | __audit_bprm(bprm); |
07c49417 | 265 | } |
2950fa9d | 266 | static inline int audit_socketcall(int nargs, unsigned long *args) |
07c49417 EP |
267 | { |
268 | if (unlikely(!audit_dummy_context())) | |
2950fa9d CG |
269 | return __audit_socketcall(nargs, args); |
270 | return 0; | |
07c49417 EP |
271 | } |
272 | static inline int audit_sockaddr(int len, void *addr) | |
273 | { | |
274 | if (unlikely(!audit_dummy_context())) | |
275 | return __audit_sockaddr(len, addr); | |
276 | return 0; | |
277 | } | |
df0a4283 | 278 | static inline void audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr) |
20ca73bc | 279 | { |
5ac3a9c2 | 280 | if (unlikely(!audit_dummy_context())) |
564f6993 | 281 | __audit_mq_open(oflag, mode, attr); |
20ca73bc | 282 | } |
c32c8af4 | 283 | static inline void audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec *abs_timeout) |
20ca73bc | 284 | { |
5ac3a9c2 | 285 | if (unlikely(!audit_dummy_context())) |
c32c8af4 | 286 | __audit_mq_sendrecv(mqdes, msg_len, msg_prio, abs_timeout); |
20ca73bc | 287 | } |
20114f71 | 288 | static inline void audit_mq_notify(mqd_t mqdes, const struct sigevent *notification) |
20ca73bc | 289 | { |
5ac3a9c2 | 290 | if (unlikely(!audit_dummy_context())) |
20114f71 | 291 | __audit_mq_notify(mqdes, notification); |
20ca73bc | 292 | } |
7392906e | 293 | static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat) |
20ca73bc | 294 | { |
5ac3a9c2 | 295 | if (unlikely(!audit_dummy_context())) |
7392906e | 296 | __audit_mq_getsetattr(mqdes, mqstat); |
20ca73bc | 297 | } |
3fc689e9 | 298 | |
d84f4f99 DH |
299 | static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm, |
300 | const struct cred *new, | |
301 | const struct cred *old) | |
3fc689e9 EP |
302 | { |
303 | if (unlikely(!audit_dummy_context())) | |
d84f4f99 DH |
304 | return __audit_log_bprm_fcaps(bprm, new, old); |
305 | return 0; | |
3fc689e9 EP |
306 | } |
307 | ||
ca24a23e | 308 | static inline void audit_log_capset(const struct cred *new, |
d84f4f99 | 309 | const struct cred *old) |
e68b75a0 EP |
310 | { |
311 | if (unlikely(!audit_dummy_context())) | |
ca24a23e | 312 | __audit_log_capset(new, old); |
e68b75a0 EP |
313 | } |
314 | ||
120a795d AV |
315 | static inline void audit_mmap_fd(int fd, int flags) |
316 | { | |
317 | if (unlikely(!audit_dummy_context())) | |
318 | __audit_mmap_fd(fd, flags); | |
319 | } | |
320 | ||
471a5c7c | 321 | extern int audit_n_rules; |
e54dc243 | 322 | extern int audit_signals; |
d7e7528b | 323 | #else /* CONFIG_AUDITSYSCALL */ |
9321d526 KC |
324 | static inline int audit_alloc(struct task_struct *task) |
325 | { | |
326 | return 0; | |
327 | } | |
328 | static inline void audit_free(struct task_struct *task) | |
329 | { } | |
91397401 | 330 | static inline void audit_syscall_entry(int major, unsigned long a0, |
9321d526 KC |
331 | unsigned long a1, unsigned long a2, |
332 | unsigned long a3) | |
333 | { } | |
334 | static inline void audit_syscall_exit(void *pt_regs) | |
335 | { } | |
336 | static inline int audit_dummy_context(void) | |
337 | { | |
338 | return 1; | |
339 | } | |
7ac86265 JL |
340 | static inline struct filename *audit_reusename(const __user char *name) |
341 | { | |
342 | return NULL; | |
343 | } | |
91a27b2a | 344 | static inline void audit_getname(struct filename *name) |
9321d526 | 345 | { } |
91a27b2a | 346 | static inline void audit_putname(struct filename *name) |
9321d526 | 347 | { } |
adb5c247 JL |
348 | static inline void __audit_inode(struct filename *name, |
349 | const struct dentry *dentry, | |
79f6530c | 350 | unsigned int flags) |
9321d526 | 351 | { } |
c43a25ab | 352 | static inline void __audit_inode_child(const struct inode *parent, |
4fa6b5ec JL |
353 | const struct dentry *dentry, |
354 | const unsigned char type) | |
9321d526 | 355 | { } |
adb5c247 JL |
356 | static inline void audit_inode(struct filename *name, |
357 | const struct dentry *dentry, | |
bfcec708 | 358 | unsigned int parent) |
9321d526 | 359 | { } |
79f6530c JL |
360 | static inline void audit_inode_parent_hidden(struct filename *name, |
361 | const struct dentry *dentry) | |
362 | { } | |
c43a25ab | 363 | static inline void audit_inode_child(const struct inode *parent, |
4fa6b5ec JL |
364 | const struct dentry *dentry, |
365 | const unsigned char type) | |
9321d526 KC |
366 | { } |
367 | static inline void audit_core_dumps(long signr) | |
368 | { } | |
369 | static inline void __audit_seccomp(unsigned long syscall, long signr, int code) | |
370 | { } | |
371 | static inline void audit_seccomp(unsigned long syscall, long signr, int code) | |
372 | { } | |
373 | static inline int auditsc_get_stamp(struct audit_context *ctx, | |
374 | struct timespec *t, unsigned int *serial) | |
375 | { | |
376 | return 0; | |
377 | } | |
378 | static inline kuid_t audit_get_loginuid(struct task_struct *tsk) | |
379 | { | |
380 | return INVALID_UID; | |
381 | } | |
b6cfee4c | 382 | static inline unsigned int audit_get_sessionid(struct task_struct *tsk) |
9321d526 KC |
383 | { |
384 | return -1; | |
385 | } | |
9321d526 KC |
386 | static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp) |
387 | { } | |
388 | static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid, | |
389 | gid_t gid, umode_t mode) | |
390 | { } | |
9410d228 RGB |
391 | static inline void audit_bprm(struct linux_binprm *bprm) |
392 | { } | |
2950fa9d CG |
393 | static inline int audit_socketcall(int nargs, unsigned long *args) |
394 | { | |
395 | return 0; | |
396 | } | |
9321d526 KC |
397 | static inline void audit_fd_pair(int fd1, int fd2) |
398 | { } | |
399 | static inline int audit_sockaddr(int len, void *addr) | |
400 | { | |
401 | return 0; | |
402 | } | |
403 | static inline void audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr) | |
404 | { } | |
405 | static inline void audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, | |
406 | unsigned int msg_prio, | |
407 | const struct timespec *abs_timeout) | |
408 | { } | |
409 | static inline void audit_mq_notify(mqd_t mqdes, | |
410 | const struct sigevent *notification) | |
411 | { } | |
412 | static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat) | |
413 | { } | |
414 | static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm, | |
415 | const struct cred *new, | |
416 | const struct cred *old) | |
417 | { | |
418 | return 0; | |
419 | } | |
ca24a23e EB |
420 | static inline void audit_log_capset(const struct cred *new, |
421 | const struct cred *old) | |
9321d526 KC |
422 | { } |
423 | static inline void audit_mmap_fd(int fd, int flags) | |
424 | { } | |
425 | static inline void audit_ptrace(struct task_struct *t) | |
426 | { } | |
471a5c7c | 427 | #define audit_n_rules 0 |
e54dc243 | 428 | #define audit_signals 0 |
d7e7528b | 429 | #endif /* CONFIG_AUDITSYSCALL */ |
1da177e4 | 430 | |
780a7654 EB |
431 | static inline bool audit_loginuid_set(struct task_struct *tsk) |
432 | { | |
433 | return uid_valid(audit_get_loginuid(tsk)); | |
434 | } | |
435 | ||
1da177e4 LT |
436 | #ifdef CONFIG_AUDIT |
437 | /* These are defined in audit.c */ | |
438 | /* Public API */ | |
b9075fa9 JP |
439 | extern __printf(4, 5) |
440 | void audit_log(struct audit_context *ctx, gfp_t gfp_mask, int type, | |
441 | const char *fmt, ...); | |
1da177e4 | 442 | |
9796fdd8 | 443 | extern struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp_mask, int type); |
b9075fa9 JP |
444 | extern __printf(2, 3) |
445 | void audit_log_format(struct audit_buffer *ab, const char *fmt, ...); | |
1da177e4 | 446 | extern void audit_log_end(struct audit_buffer *ab); |
de6bbd1d EP |
447 | extern int audit_string_contains_control(const char *string, |
448 | size_t len); | |
b556f8ad EP |
449 | extern void audit_log_n_hex(struct audit_buffer *ab, |
450 | const unsigned char *buf, | |
451 | size_t len); | |
452 | extern void audit_log_n_string(struct audit_buffer *ab, | |
453 | const char *buf, | |
454 | size_t n); | |
b556f8ad EP |
455 | extern void audit_log_n_untrustedstring(struct audit_buffer *ab, |
456 | const char *string, | |
457 | size_t n); | |
de6bbd1d | 458 | extern void audit_log_untrustedstring(struct audit_buffer *ab, |
83c7d091 | 459 | const char *string); |
1da177e4 LT |
460 | extern void audit_log_d_path(struct audit_buffer *ab, |
461 | const char *prefix, | |
66b3fad3 | 462 | const struct path *path); |
9d960985 EP |
463 | extern void audit_log_key(struct audit_buffer *ab, |
464 | char *key); | |
a51d9eaa KC |
465 | extern void audit_log_link_denied(const char *operation, |
466 | struct path *link); | |
522ed776 | 467 | extern void audit_log_lost(const char *message); |
131ad62d MDF |
468 | #ifdef CONFIG_SECURITY |
469 | extern void audit_log_secctx(struct audit_buffer *ab, u32 secid); | |
470 | #else | |
9321d526 KC |
471 | static inline void audit_log_secctx(struct audit_buffer *ab, u32 secid) |
472 | { } | |
131ad62d MDF |
473 | #endif |
474 | ||
b24a30a7 EP |
475 | extern int audit_log_task_context(struct audit_buffer *ab); |
476 | extern void audit_log_task_info(struct audit_buffer *ab, | |
477 | struct task_struct *tsk); | |
478 | ||
9d57a7f9 AD |
479 | extern int audit_update_lsm_rules(void); |
480 | ||
fe7752ba | 481 | /* Private API (for audit.c only) */ |
62062cf8 | 482 | extern int audit_filter_user(int type); |
fe7752ba | 483 | extern int audit_filter_type(int type); |
ce0d9f04 | 484 | extern int audit_rule_change(int type, __u32 portid, int seq, |
dc9eb698 | 485 | void *data, size_t datasz); |
099dd235 | 486 | extern int audit_list_rules_send(struct sk_buff *request_skb, int seq); |
ce0d9f04 | 487 | |
3e1d0bb6 | 488 | extern u32 audit_enabled; |
9321d526 KC |
489 | #else /* CONFIG_AUDIT */ |
490 | static inline __printf(4, 5) | |
491 | void audit_log(struct audit_context *ctx, gfp_t gfp_mask, int type, | |
492 | const char *fmt, ...) | |
493 | { } | |
494 | static inline struct audit_buffer *audit_log_start(struct audit_context *ctx, | |
495 | gfp_t gfp_mask, int type) | |
496 | { | |
497 | return NULL; | |
498 | } | |
499 | static inline __printf(2, 3) | |
500 | void audit_log_format(struct audit_buffer *ab, const char *fmt, ...) | |
501 | { } | |
502 | static inline void audit_log_end(struct audit_buffer *ab) | |
503 | { } | |
504 | static inline void audit_log_n_hex(struct audit_buffer *ab, | |
505 | const unsigned char *buf, size_t len) | |
506 | { } | |
507 | static inline void audit_log_n_string(struct audit_buffer *ab, | |
508 | const char *buf, size_t n) | |
509 | { } | |
510 | static inline void audit_log_n_untrustedstring(struct audit_buffer *ab, | |
511 | const char *string, size_t n) | |
512 | { } | |
513 | static inline void audit_log_untrustedstring(struct audit_buffer *ab, | |
514 | const char *string) | |
515 | { } | |
516 | static inline void audit_log_d_path(struct audit_buffer *ab, | |
517 | const char *prefix, | |
518 | const struct path *path) | |
519 | { } | |
520 | static inline void audit_log_key(struct audit_buffer *ab, char *key) | |
521 | { } | |
522 | static inline void audit_log_link_denied(const char *string, | |
523 | const struct path *link) | |
524 | { } | |
525 | static inline void audit_log_secctx(struct audit_buffer *ab, u32 secid) | |
526 | { } | |
b24a30a7 EP |
527 | static inline int audit_log_task_context(struct audit_buffer *ab) |
528 | { | |
529 | return 0; | |
530 | } | |
531 | static inline void audit_log_task_info(struct audit_buffer *ab, | |
532 | struct task_struct *tsk) | |
533 | { } | |
522ed776 | 534 | #define audit_enabled 0 |
9321d526 KC |
535 | #endif /* CONFIG_AUDIT */ |
536 | static inline void audit_log_string(struct audit_buffer *ab, const char *buf) | |
537 | { | |
538 | audit_log_n_string(ab, buf, strlen(buf)); | |
539 | } | |
540 | ||
1da177e4 | 541 | #endif |