Commit | Line | Data |
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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; | |
69 | u32 val; | |
ca57ec0f EB |
70 | kuid_t uid; |
71 | kgid_t gid; | |
9d57a7f9 | 72 | u32 op; |
04305e4a AD |
73 | char *lsm_str; |
74 | void *lsm_rule; | |
9d57a7f9 | 75 | }; |
1da177e4 | 76 | |
b0fed402 EP |
77 | extern int is_audit_feature_set(int which); |
78 | ||
b915543b | 79 | extern int __init audit_register_class(int class, unsigned *list); |
55669bfa | 80 | extern int audit_classify_syscall(int abi, unsigned syscall); |
e54dc243 | 81 | extern int audit_classify_arch(int arch); |
4b588411 AT |
82 | /* only for compat system calls */ |
83 | extern unsigned compat_write_class[]; | |
84 | extern unsigned compat_read_class[]; | |
85 | extern unsigned compat_dir_class[]; | |
86 | extern unsigned compat_chattr_class[]; | |
87 | extern unsigned compat_signal_class[]; | |
88 | ||
89 | extern int __weak audit_classify_compat_syscall(int abi, unsigned syscall); | |
78e2e802 JL |
90 | |
91 | /* audit_names->type values */ | |
92 | #define AUDIT_TYPE_UNKNOWN 0 /* we don't know yet */ | |
93 | #define AUDIT_TYPE_NORMAL 1 /* a "normal" audit record */ | |
bfcec708 | 94 | #define AUDIT_TYPE_PARENT 2 /* a parent audit record */ |
4fa6b5ec JL |
95 | #define AUDIT_TYPE_CHILD_DELETE 3 /* a child being deleted */ |
96 | #define AUDIT_TYPE_CHILD_CREATE 4 /* a child being created */ | |
78e2e802 | 97 | |
2950fa9d CG |
98 | /* maximized args number that audit_socketcall can process */ |
99 | #define AUDITSC_ARGS 6 | |
100 | ||
91a27b2a JL |
101 | struct filename; |
102 | ||
4d3fb709 EP |
103 | extern void audit_log_session_info(struct audit_buffer *ab); |
104 | ||
312103d6 | 105 | #ifdef CONFIG_AUDIT_COMPAT_GENERIC |
356750e3 EP |
106 | #define audit_is_compat(arch) (!((arch) & __AUDIT_ARCH_64BIT)) |
107 | #else | |
108 | #define audit_is_compat(arch) false | |
109 | #endif | |
110 | ||
1da177e4 LT |
111 | #ifdef CONFIG_AUDITSYSCALL |
112 | /* These are defined in auditsc.c */ | |
113 | /* Public API */ | |
114 | extern int audit_alloc(struct task_struct *task); | |
a4ff8dba | 115 | extern void __audit_free(struct task_struct *task); |
b05d8447 EP |
116 | extern void __audit_syscall_entry(int arch, |
117 | int major, unsigned long a0, unsigned long a1, | |
118 | unsigned long a2, unsigned long a3); | |
d7e7528b | 119 | extern void __audit_syscall_exit(int ret_success, long ret_value); |
7ac86265 | 120 | extern struct filename *__audit_reusename(const __user char *uptr); |
91a27b2a JL |
121 | extern void __audit_getname(struct filename *name); |
122 | extern void audit_putname(struct filename *name); | |
79f6530c JL |
123 | |
124 | #define AUDIT_INODE_PARENT 1 /* dentry represents the parent */ | |
125 | #define AUDIT_INODE_HIDDEN 2 /* audit record should be hidden */ | |
adb5c247 | 126 | extern void __audit_inode(struct filename *name, const struct dentry *dentry, |
79f6530c | 127 | unsigned int flags); |
c43a25ab | 128 | extern void __audit_inode_child(const struct inode *parent, |
4fa6b5ec JL |
129 | const struct dentry *dentry, |
130 | const unsigned char type); | |
3dc1c1b2 | 131 | extern void __audit_seccomp(unsigned long syscall, long signr, int code); |
a5cb013d AV |
132 | extern void __audit_ptrace(struct task_struct *t); |
133 | ||
d51374ad AV |
134 | static inline int audit_dummy_context(void) |
135 | { | |
136 | void *p = current->audit_context; | |
137 | return !p || *(int *)p; | |
138 | } | |
a4ff8dba EP |
139 | static inline void audit_free(struct task_struct *task) |
140 | { | |
141 | if (unlikely(task->audit_context)) | |
142 | __audit_free(task); | |
143 | } | |
b05d8447 EP |
144 | static inline void audit_syscall_entry(int arch, int major, unsigned long a0, |
145 | unsigned long a1, unsigned long a2, | |
146 | unsigned long a3) | |
147 | { | |
cdee3904 | 148 | if (unlikely(current->audit_context)) |
b05d8447 EP |
149 | __audit_syscall_entry(arch, major, a0, a1, a2, a3); |
150 | } | |
d7e7528b EP |
151 | static inline void audit_syscall_exit(void *pt_regs) |
152 | { | |
153 | if (unlikely(current->audit_context)) { | |
154 | int success = is_syscall_success(pt_regs); | |
06bdadd7 | 155 | long return_code = regs_return_value(pt_regs); |
d7e7528b EP |
156 | |
157 | __audit_syscall_exit(success, return_code); | |
158 | } | |
159 | } | |
7ac86265 JL |
160 | static inline struct filename *audit_reusename(const __user char *name) |
161 | { | |
162 | if (unlikely(!audit_dummy_context())) | |
163 | return __audit_reusename(name); | |
164 | return NULL; | |
165 | } | |
91a27b2a | 166 | static inline void audit_getname(struct filename *name) |
d8945bb5 | 167 | { |
5ac3a9c2 | 168 | if (unlikely(!audit_dummy_context())) |
d8945bb5 AV |
169 | __audit_getname(name); |
170 | } | |
79f6530c JL |
171 | static inline void audit_inode(struct filename *name, |
172 | const struct dentry *dentry, | |
bfcec708 | 173 | unsigned int parent) { |
79f6530c JL |
174 | if (unlikely(!audit_dummy_context())) { |
175 | unsigned int flags = 0; | |
176 | if (parent) | |
177 | flags |= AUDIT_INODE_PARENT; | |
178 | __audit_inode(name, dentry, flags); | |
179 | } | |
180 | } | |
181 | static inline void audit_inode_parent_hidden(struct filename *name, | |
182 | const struct dentry *dentry) | |
183 | { | |
5ac3a9c2 | 184 | if (unlikely(!audit_dummy_context())) |
79f6530c JL |
185 | __audit_inode(name, dentry, |
186 | AUDIT_INODE_PARENT | AUDIT_INODE_HIDDEN); | |
73241ccc | 187 | } |
c43a25ab | 188 | static inline void audit_inode_child(const struct inode *parent, |
4fa6b5ec JL |
189 | const struct dentry *dentry, |
190 | const unsigned char type) { | |
5ac3a9c2 | 191 | if (unlikely(!audit_dummy_context())) |
4fa6b5ec | 192 | __audit_inode_child(parent, dentry, type); |
73241ccc | 193 | } |
0a4ff8c2 | 194 | void audit_core_dumps(long signr); |
1da177e4 | 195 | |
3dc1c1b2 | 196 | static inline void audit_seccomp(unsigned long syscall, long signr, int code) |
85e7bac3 | 197 | { |
7b9205bd KC |
198 | /* Force a record to be reported if a signal was delivered. */ |
199 | if (signr || unlikely(!audit_dummy_context())) | |
3dc1c1b2 | 200 | __audit_seccomp(syscall, signr, code); |
85e7bac3 EP |
201 | } |
202 | ||
a5cb013d AV |
203 | static inline void audit_ptrace(struct task_struct *t) |
204 | { | |
205 | if (unlikely(!audit_dummy_context())) | |
206 | __audit_ptrace(t); | |
207 | } | |
208 | ||
1da177e4 | 209 | /* Private API (for audit.c only) */ |
bfb4496e | 210 | extern unsigned int audit_serial(void); |
48887e63 | 211 | extern int auditsc_get_stamp(struct audit_context *ctx, |
bfb4496e | 212 | struct timespec *t, unsigned int *serial); |
9321d526 KC |
213 | extern int audit_set_loginuid(kuid_t loginuid); |
214 | ||
215 | static inline kuid_t audit_get_loginuid(struct task_struct *tsk) | |
216 | { | |
217 | return tsk->loginuid; | |
218 | } | |
219 | ||
b6cfee4c | 220 | static inline unsigned int audit_get_sessionid(struct task_struct *tsk) |
9321d526 KC |
221 | { |
222 | return tsk->sessionid; | |
223 | } | |
224 | ||
a33e6751 | 225 | extern void __audit_ipc_obj(struct kern_ipc_perm *ipcp); |
2570ebbd | 226 | extern void __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode); |
d9cfea91 | 227 | extern void __audit_bprm(struct linux_binprm *bprm); |
2950fa9d | 228 | extern int __audit_socketcall(int nargs, unsigned long *args); |
07c49417 | 229 | extern int __audit_sockaddr(int len, void *addr); |
157cf649 | 230 | extern void __audit_fd_pair(int fd1, int fd2); |
df0a4283 | 231 | extern void __audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr); |
c32c8af4 | 232 | extern void __audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec *abs_timeout); |
20114f71 | 233 | extern void __audit_mq_notify(mqd_t mqdes, const struct sigevent *notification); |
7392906e | 234 | extern void __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat); |
d84f4f99 DH |
235 | extern int __audit_log_bprm_fcaps(struct linux_binprm *bprm, |
236 | const struct cred *new, | |
237 | const struct cred *old); | |
ca24a23e | 238 | extern void __audit_log_capset(const struct cred *new, const struct cred *old); |
120a795d | 239 | extern void __audit_mmap_fd(int fd, int flags); |
d8945bb5 | 240 | |
a33e6751 | 241 | static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp) |
d8945bb5 | 242 | { |
5ac3a9c2 | 243 | if (unlikely(!audit_dummy_context())) |
a33e6751 | 244 | __audit_ipc_obj(ipcp); |
db349509 | 245 | } |
157cf649 | 246 | static inline void audit_fd_pair(int fd1, int fd2) |
d8945bb5 | 247 | { |
5ac3a9c2 | 248 | if (unlikely(!audit_dummy_context())) |
157cf649 | 249 | __audit_fd_pair(fd1, fd2); |
d8945bb5 | 250 | } |
2570ebbd | 251 | static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode) |
20ca73bc | 252 | { |
5ac3a9c2 | 253 | if (unlikely(!audit_dummy_context())) |
e816f370 | 254 | __audit_ipc_set_perm(qbytes, uid, gid, mode); |
20ca73bc | 255 | } |
9410d228 | 256 | static inline void audit_bprm(struct linux_binprm *bprm) |
07c49417 EP |
257 | { |
258 | if (unlikely(!audit_dummy_context())) | |
d9cfea91 | 259 | __audit_bprm(bprm); |
07c49417 | 260 | } |
2950fa9d | 261 | static inline int audit_socketcall(int nargs, unsigned long *args) |
07c49417 EP |
262 | { |
263 | if (unlikely(!audit_dummy_context())) | |
2950fa9d CG |
264 | return __audit_socketcall(nargs, args); |
265 | return 0; | |
07c49417 EP |
266 | } |
267 | static inline int audit_sockaddr(int len, void *addr) | |
268 | { | |
269 | if (unlikely(!audit_dummy_context())) | |
270 | return __audit_sockaddr(len, addr); | |
271 | return 0; | |
272 | } | |
df0a4283 | 273 | static inline void audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr) |
20ca73bc | 274 | { |
5ac3a9c2 | 275 | if (unlikely(!audit_dummy_context())) |
564f6993 | 276 | __audit_mq_open(oflag, mode, attr); |
20ca73bc | 277 | } |
c32c8af4 | 278 | static inline void audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec *abs_timeout) |
20ca73bc | 279 | { |
5ac3a9c2 | 280 | if (unlikely(!audit_dummy_context())) |
c32c8af4 | 281 | __audit_mq_sendrecv(mqdes, msg_len, msg_prio, abs_timeout); |
20ca73bc | 282 | } |
20114f71 | 283 | static inline void audit_mq_notify(mqd_t mqdes, const struct sigevent *notification) |
20ca73bc | 284 | { |
5ac3a9c2 | 285 | if (unlikely(!audit_dummy_context())) |
20114f71 | 286 | __audit_mq_notify(mqdes, notification); |
20ca73bc | 287 | } |
7392906e | 288 | static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat) |
20ca73bc | 289 | { |
5ac3a9c2 | 290 | if (unlikely(!audit_dummy_context())) |
7392906e | 291 | __audit_mq_getsetattr(mqdes, mqstat); |
20ca73bc | 292 | } |
3fc689e9 | 293 | |
d84f4f99 DH |
294 | static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm, |
295 | const struct cred *new, | |
296 | const struct cred *old) | |
3fc689e9 EP |
297 | { |
298 | if (unlikely(!audit_dummy_context())) | |
d84f4f99 DH |
299 | return __audit_log_bprm_fcaps(bprm, new, old); |
300 | return 0; | |
3fc689e9 EP |
301 | } |
302 | ||
ca24a23e | 303 | static inline void audit_log_capset(const struct cred *new, |
d84f4f99 | 304 | const struct cred *old) |
e68b75a0 EP |
305 | { |
306 | if (unlikely(!audit_dummy_context())) | |
ca24a23e | 307 | __audit_log_capset(new, old); |
e68b75a0 EP |
308 | } |
309 | ||
120a795d AV |
310 | static inline void audit_mmap_fd(int fd, int flags) |
311 | { | |
312 | if (unlikely(!audit_dummy_context())) | |
313 | __audit_mmap_fd(fd, flags); | |
314 | } | |
315 | ||
471a5c7c | 316 | extern int audit_n_rules; |
e54dc243 | 317 | extern int audit_signals; |
d7e7528b | 318 | #else /* CONFIG_AUDITSYSCALL */ |
9321d526 KC |
319 | static inline int audit_alloc(struct task_struct *task) |
320 | { | |
321 | return 0; | |
322 | } | |
323 | static inline void audit_free(struct task_struct *task) | |
324 | { } | |
325 | static inline void audit_syscall_entry(int arch, int major, unsigned long a0, | |
326 | unsigned long a1, unsigned long a2, | |
327 | unsigned long a3) | |
328 | { } | |
329 | static inline void audit_syscall_exit(void *pt_regs) | |
330 | { } | |
331 | static inline int audit_dummy_context(void) | |
332 | { | |
333 | return 1; | |
334 | } | |
7ac86265 JL |
335 | static inline struct filename *audit_reusename(const __user char *name) |
336 | { | |
337 | return NULL; | |
338 | } | |
91a27b2a | 339 | static inline void audit_getname(struct filename *name) |
9321d526 | 340 | { } |
91a27b2a | 341 | static inline void audit_putname(struct filename *name) |
9321d526 | 342 | { } |
adb5c247 JL |
343 | static inline void __audit_inode(struct filename *name, |
344 | const struct dentry *dentry, | |
79f6530c | 345 | unsigned int flags) |
9321d526 | 346 | { } |
c43a25ab | 347 | static inline void __audit_inode_child(const struct inode *parent, |
4fa6b5ec JL |
348 | const struct dentry *dentry, |
349 | const unsigned char type) | |
9321d526 | 350 | { } |
adb5c247 JL |
351 | static inline void audit_inode(struct filename *name, |
352 | const struct dentry *dentry, | |
bfcec708 | 353 | unsigned int parent) |
9321d526 | 354 | { } |
79f6530c JL |
355 | static inline void audit_inode_parent_hidden(struct filename *name, |
356 | const struct dentry *dentry) | |
357 | { } | |
c43a25ab | 358 | static inline void audit_inode_child(const struct inode *parent, |
4fa6b5ec JL |
359 | const struct dentry *dentry, |
360 | const unsigned char type) | |
9321d526 KC |
361 | { } |
362 | static inline void audit_core_dumps(long signr) | |
363 | { } | |
364 | static inline void __audit_seccomp(unsigned long syscall, long signr, int code) | |
365 | { } | |
366 | static inline void audit_seccomp(unsigned long syscall, long signr, int code) | |
367 | { } | |
368 | static inline int auditsc_get_stamp(struct audit_context *ctx, | |
369 | struct timespec *t, unsigned int *serial) | |
370 | { | |
371 | return 0; | |
372 | } | |
373 | static inline kuid_t audit_get_loginuid(struct task_struct *tsk) | |
374 | { | |
375 | return INVALID_UID; | |
376 | } | |
b6cfee4c | 377 | static inline unsigned int audit_get_sessionid(struct task_struct *tsk) |
9321d526 KC |
378 | { |
379 | return -1; | |
380 | } | |
9321d526 KC |
381 | static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp) |
382 | { } | |
383 | static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid, | |
384 | gid_t gid, umode_t mode) | |
385 | { } | |
9410d228 RGB |
386 | static inline void audit_bprm(struct linux_binprm *bprm) |
387 | { } | |
2950fa9d CG |
388 | static inline int audit_socketcall(int nargs, unsigned long *args) |
389 | { | |
390 | return 0; | |
391 | } | |
9321d526 KC |
392 | static inline void audit_fd_pair(int fd1, int fd2) |
393 | { } | |
394 | static inline int audit_sockaddr(int len, void *addr) | |
395 | { | |
396 | return 0; | |
397 | } | |
398 | static inline void audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr) | |
399 | { } | |
400 | static inline void audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, | |
401 | unsigned int msg_prio, | |
402 | const struct timespec *abs_timeout) | |
403 | { } | |
404 | static inline void audit_mq_notify(mqd_t mqdes, | |
405 | const struct sigevent *notification) | |
406 | { } | |
407 | static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat) | |
408 | { } | |
409 | static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm, | |
410 | const struct cred *new, | |
411 | const struct cred *old) | |
412 | { | |
413 | return 0; | |
414 | } | |
ca24a23e EB |
415 | static inline void audit_log_capset(const struct cred *new, |
416 | const struct cred *old) | |
9321d526 KC |
417 | { } |
418 | static inline void audit_mmap_fd(int fd, int flags) | |
419 | { } | |
420 | static inline void audit_ptrace(struct task_struct *t) | |
421 | { } | |
471a5c7c | 422 | #define audit_n_rules 0 |
e54dc243 | 423 | #define audit_signals 0 |
d7e7528b | 424 | #endif /* CONFIG_AUDITSYSCALL */ |
1da177e4 | 425 | |
780a7654 EB |
426 | static inline bool audit_loginuid_set(struct task_struct *tsk) |
427 | { | |
428 | return uid_valid(audit_get_loginuid(tsk)); | |
429 | } | |
430 | ||
1da177e4 LT |
431 | #ifdef CONFIG_AUDIT |
432 | /* These are defined in audit.c */ | |
433 | /* Public API */ | |
b9075fa9 JP |
434 | extern __printf(4, 5) |
435 | void audit_log(struct audit_context *ctx, gfp_t gfp_mask, int type, | |
436 | const char *fmt, ...); | |
1da177e4 | 437 | |
9796fdd8 | 438 | extern struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp_mask, int type); |
b9075fa9 JP |
439 | extern __printf(2, 3) |
440 | void audit_log_format(struct audit_buffer *ab, const char *fmt, ...); | |
1da177e4 | 441 | extern void audit_log_end(struct audit_buffer *ab); |
de6bbd1d EP |
442 | extern int audit_string_contains_control(const char *string, |
443 | size_t len); | |
b556f8ad EP |
444 | extern void audit_log_n_hex(struct audit_buffer *ab, |
445 | const unsigned char *buf, | |
446 | size_t len); | |
447 | extern void audit_log_n_string(struct audit_buffer *ab, | |
448 | const char *buf, | |
449 | size_t n); | |
b556f8ad EP |
450 | extern void audit_log_n_untrustedstring(struct audit_buffer *ab, |
451 | const char *string, | |
452 | size_t n); | |
de6bbd1d | 453 | extern void audit_log_untrustedstring(struct audit_buffer *ab, |
83c7d091 | 454 | const char *string); |
1da177e4 LT |
455 | extern void audit_log_d_path(struct audit_buffer *ab, |
456 | const char *prefix, | |
66b3fad3 | 457 | const struct path *path); |
9d960985 EP |
458 | extern void audit_log_key(struct audit_buffer *ab, |
459 | char *key); | |
a51d9eaa KC |
460 | extern void audit_log_link_denied(const char *operation, |
461 | struct path *link); | |
522ed776 | 462 | extern void audit_log_lost(const char *message); |
131ad62d MDF |
463 | #ifdef CONFIG_SECURITY |
464 | extern void audit_log_secctx(struct audit_buffer *ab, u32 secid); | |
465 | #else | |
9321d526 KC |
466 | static inline void audit_log_secctx(struct audit_buffer *ab, u32 secid) |
467 | { } | |
131ad62d MDF |
468 | #endif |
469 | ||
b24a30a7 EP |
470 | extern int audit_log_task_context(struct audit_buffer *ab); |
471 | extern void audit_log_task_info(struct audit_buffer *ab, | |
472 | struct task_struct *tsk); | |
473 | ||
9d57a7f9 AD |
474 | extern int audit_update_lsm_rules(void); |
475 | ||
fe7752ba | 476 | /* Private API (for audit.c only) */ |
62062cf8 | 477 | extern int audit_filter_user(int type); |
fe7752ba | 478 | extern int audit_filter_type(int type); |
ce0d9f04 | 479 | extern int audit_rule_change(int type, __u32 portid, int seq, |
dc9eb698 | 480 | void *data, size_t datasz); |
099dd235 | 481 | extern int audit_list_rules_send(struct sk_buff *request_skb, int seq); |
ce0d9f04 | 482 | |
3e1d0bb6 | 483 | extern u32 audit_enabled; |
9321d526 KC |
484 | #else /* CONFIG_AUDIT */ |
485 | static inline __printf(4, 5) | |
486 | void audit_log(struct audit_context *ctx, gfp_t gfp_mask, int type, | |
487 | const char *fmt, ...) | |
488 | { } | |
489 | static inline struct audit_buffer *audit_log_start(struct audit_context *ctx, | |
490 | gfp_t gfp_mask, int type) | |
491 | { | |
492 | return NULL; | |
493 | } | |
494 | static inline __printf(2, 3) | |
495 | void audit_log_format(struct audit_buffer *ab, const char *fmt, ...) | |
496 | { } | |
497 | static inline void audit_log_end(struct audit_buffer *ab) | |
498 | { } | |
499 | static inline void audit_log_n_hex(struct audit_buffer *ab, | |
500 | const unsigned char *buf, size_t len) | |
501 | { } | |
502 | static inline void audit_log_n_string(struct audit_buffer *ab, | |
503 | const char *buf, size_t n) | |
504 | { } | |
505 | static inline void audit_log_n_untrustedstring(struct audit_buffer *ab, | |
506 | const char *string, size_t n) | |
507 | { } | |
508 | static inline void audit_log_untrustedstring(struct audit_buffer *ab, | |
509 | const char *string) | |
510 | { } | |
511 | static inline void audit_log_d_path(struct audit_buffer *ab, | |
512 | const char *prefix, | |
513 | const struct path *path) | |
514 | { } | |
515 | static inline void audit_log_key(struct audit_buffer *ab, char *key) | |
516 | { } | |
517 | static inline void audit_log_link_denied(const char *string, | |
518 | const struct path *link) | |
519 | { } | |
520 | static inline void audit_log_secctx(struct audit_buffer *ab, u32 secid) | |
521 | { } | |
b24a30a7 EP |
522 | static inline int audit_log_task_context(struct audit_buffer *ab) |
523 | { | |
524 | return 0; | |
525 | } | |
526 | static inline void audit_log_task_info(struct audit_buffer *ab, | |
527 | struct task_struct *tsk) | |
528 | { } | |
522ed776 | 529 | #define audit_enabled 0 |
9321d526 KC |
530 | #endif /* CONFIG_AUDIT */ |
531 | static inline void audit_log_string(struct audit_buffer *ab, const char *buf) | |
532 | { | |
533 | audit_log_n_string(ab, buf, strlen(buf)); | |
534 | } | |
535 | ||
1da177e4 | 536 | #endif |