1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /* audit.h -- Auditing support
3 *
4 * Copyright 2003-2004 Red Hat Inc., Durham, North Carolina.
5 * All Rights Reserved.
6 *
7 * Written by Rickard E. (Rik) Faith <faith@redhat.com>
8 */
9 #ifndef _LINUX_AUDIT_H_
10 #define _LINUX_AUDIT_H_
11
12 #include <linux/sched.h>
13 #include <linux/ptrace.h>
14 #include <linux/audit_arch.h>
15 #include <uapi/linux/audit.h>
16 #include <uapi/linux/netfilter/nf_tables.h>
17 #include <uapi/linux/fanotify.h>
18
19 #define AUDIT_INO_UNSET ((unsigned long)-1)
20 #define AUDIT_DEV_UNSET ((dev_t)-1)
21
22 struct audit_sig_info {
23 uid_t uid;
24 pid_t pid;
25 char ctx[];
26 };
27
28 struct audit_buffer;
29 struct audit_context;
30 struct inode;
31 struct netlink_skb_parms;
32 struct path;
33 struct linux_binprm;
34 struct mq_attr;
35 struct mqstat;
36 struct audit_watch;
37 struct audit_tree;
38 struct sk_buff;
39 struct kern_ipc_perm;
40
41 struct audit_krule {
42 u32 pflags;
43 u32 flags;
44 u32 listnr;
45 u32 action;
46 u32 mask[AUDIT_BITMASK_SIZE];
47 u32 buflen; /* for data alloc on list rules */
48 u32 field_count;
49 char *filterkey; /* ties events to rules */
50 struct audit_field *fields;
51 struct audit_field *arch_f; /* quick access to arch field */
52 struct audit_field *inode_f; /* quick access to an inode field */
53 struct audit_watch *watch; /* associated watch */
54 struct audit_tree *tree; /* associated watched tree */
55 struct audit_fsnotify_mark *exe;
56 struct list_head rlist; /* entry in audit_{watch,tree}.rules list */
57 struct list_head list; /* for AUDIT_LIST* purposes only */
58 u64 prio;
59 };
60
61 /* Flag to indicate legacy AUDIT_LOGINUID unset usage */
62 #define AUDIT_LOGINUID_LEGACY 0x1
63
64 struct audit_field {
65 u32 type;
66 union {
67 u32 val;
68 kuid_t uid;
69 kgid_t gid;
70 struct {
71 char *lsm_str;
72 void *lsm_rule;
73 };
74 };
75 u32 op;
76 };
77
78 enum audit_ntp_type {
79 AUDIT_NTP_OFFSET,
80 AUDIT_NTP_FREQ,
81 AUDIT_NTP_STATUS,
82 AUDIT_NTP_TAI,
83 AUDIT_NTP_TICK,
84 AUDIT_NTP_ADJUST,
85
86 AUDIT_NTP_NVALS /* count */
87 };
88
89 #ifdef CONFIG_AUDITSYSCALL
90 struct audit_ntp_val {
91 long long oldval, newval;
92 };
93
94 struct audit_ntp_data {
95 struct audit_ntp_val vals[AUDIT_NTP_NVALS];
96 };
97 #else
98 struct audit_ntp_data {};
99 #endif
100
101 enum audit_nfcfgop {
102 AUDIT_XT_OP_REGISTER,
103 AUDIT_XT_OP_REPLACE,
104 AUDIT_XT_OP_UNREGISTER,
105 AUDIT_NFT_OP_TABLE_REGISTER,
106 AUDIT_NFT_OP_TABLE_UNREGISTER,
107 AUDIT_NFT_OP_CHAIN_REGISTER,
108 AUDIT_NFT_OP_CHAIN_UNREGISTER,
109 AUDIT_NFT_OP_RULE_REGISTER,
110 AUDIT_NFT_OP_RULE_UNREGISTER,
111 AUDIT_NFT_OP_SET_REGISTER,
112 AUDIT_NFT_OP_SET_UNREGISTER,
113 AUDIT_NFT_OP_SETELEM_REGISTER,
114 AUDIT_NFT_OP_SETELEM_UNREGISTER,
115 AUDIT_NFT_OP_GEN_REGISTER,
116 AUDIT_NFT_OP_OBJ_REGISTER,
117 AUDIT_NFT_OP_OBJ_UNREGISTER,
118 AUDIT_NFT_OP_OBJ_RESET,
119 AUDIT_NFT_OP_FLOWTABLE_REGISTER,
120 AUDIT_NFT_OP_FLOWTABLE_UNREGISTER,
121 AUDIT_NFT_OP_SETELEM_RESET,
122 AUDIT_NFT_OP_RULE_RESET,
123 AUDIT_NFT_OP_INVALID,
124 };
125
126 extern int __init audit_register_class(int class, unsigned *list);
127 extern int audit_classify_syscall(int abi, unsigned syscall);
128 extern int audit_classify_arch(int arch);
129 /* only for compat system calls */
130 extern unsigned compat_write_class[];
131 extern unsigned compat_read_class[];
132 extern unsigned compat_dir_class[];
133 extern unsigned compat_chattr_class[];
134 extern unsigned compat_signal_class[];
135
136 /* audit_names->type values */
137 #define AUDIT_TYPE_UNKNOWN 0 /* we don't know yet */
138 #define AUDIT_TYPE_NORMAL 1 /* a "normal" audit record */
139 #define AUDIT_TYPE_PARENT 2 /* a parent audit record */
140 #define AUDIT_TYPE_CHILD_DELETE 3 /* a child being deleted */
141 #define AUDIT_TYPE_CHILD_CREATE 4 /* a child being created */
142
143 /* maximized args number that audit_socketcall can process */
144 #define AUDITSC_ARGS 6
145
146 /* bit values for ->signal->audit_tty */
147 #define AUDIT_TTY_ENABLE BIT(0)
148 #define AUDIT_TTY_LOG_PASSWD BIT(1)
149
150 struct filename;
151
152 #define AUDIT_OFF 0
153 #define AUDIT_ON 1
154 #define AUDIT_LOCKED 2
155 #ifdef CONFIG_AUDIT
156 /* These are defined in audit.c */
157 /* Public API */
158 extern __printf(4, 5)
159 void audit_log(struct audit_context *ctx, gfp_t gfp_mask, int type,
160 const char *fmt, ...);
161
162 extern struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp_mask, int type);
163 extern __printf(2, 3)
164 void audit_log_format(struct audit_buffer *ab, const char *fmt, ...);
165 extern void audit_log_end(struct audit_buffer *ab);
166 extern bool audit_string_contains_control(const char *string,
167 size_t len);
168 extern void audit_log_n_hex(struct audit_buffer *ab,
169 const unsigned char *buf,
170 size_t len);
171 extern void audit_log_n_string(struct audit_buffer *ab,
172 const char *buf,
173 size_t n);
174 extern void audit_log_n_untrustedstring(struct audit_buffer *ab,
175 const char *string,
176 size_t n);
177 extern void audit_log_untrustedstring(struct audit_buffer *ab,
178 const char *string);
179 extern void audit_log_d_path(struct audit_buffer *ab,
180 const char *prefix,
181 const struct path *path);
182 extern void audit_log_key(struct audit_buffer *ab,
183 char *key);
184 extern void audit_log_path_denied(int type,
185 const char *operation);
186 extern void audit_log_lost(const char *message);
187
188 extern int audit_log_task_context(struct audit_buffer *ab);
189 extern void audit_log_task_info(struct audit_buffer *ab);
190
191 extern int audit_update_lsm_rules(void);
192
193 /* Private API (for audit.c only) */
194 extern int audit_rule_change(int type, int seq, void *data, size_t datasz);
195 extern int audit_list_rules_send(struct sk_buff *request_skb, int seq);
196
197 extern int audit_set_loginuid(kuid_t loginuid);
198
199 static inline kuid_t audit_get_loginuid(struct task_struct *tsk)
200 {
201 return tsk->loginuid;
202 }
203
204 static inline unsigned int audit_get_sessionid(struct task_struct *tsk)
205 {
206 return tsk->sessionid;
207 }
208
209 extern u32 audit_enabled;
210
211 extern int audit_signal_info(int sig, struct task_struct *t);
212
213 #else /* CONFIG_AUDIT */
214 static inline __printf(4, 5)
215 void audit_log(struct audit_context *ctx, gfp_t gfp_mask, int type,
216 const char *fmt, ...)
217 { }
218 static inline struct audit_buffer *audit_log_start(struct audit_context *ctx,
219 gfp_t gfp_mask, int type)
220 {
221 return NULL;
222 }
223 static inline __printf(2, 3)
224 void audit_log_format(struct audit_buffer *ab, const char *fmt, ...)
225 { }
226 static inline void audit_log_end(struct audit_buffer *ab)
227 { }
228 static inline void audit_log_n_hex(struct audit_buffer *ab,
229 const unsigned char *buf, size_t len)
230 { }
231 static inline void audit_log_n_string(struct audit_buffer *ab,
232 const char *buf, size_t n)
233 { }
234 static inline void audit_log_n_untrustedstring(struct audit_buffer *ab,
235 const char *string, size_t n)
236 { }
237 static inline void audit_log_untrustedstring(struct audit_buffer *ab,
238 const char *string)
239 { }
240 static inline void audit_log_d_path(struct audit_buffer *ab,
241 const char *prefix,
242 const struct path *path)
243 { }
244 static inline void audit_log_key(struct audit_buffer *ab, char *key)
245 { }
246 static inline void audit_log_path_denied(int type, const char *operation)
247 { }
248 static inline int audit_log_task_context(struct audit_buffer *ab)
249 {
250 return 0;
251 }
252 static inline void audit_log_task_info(struct audit_buffer *ab)
253 { }
254
255 static inline kuid_t audit_get_loginuid(struct task_struct *tsk)
256 {
257 return INVALID_UID;
258 }
259
260 static inline unsigned int audit_get_sessionid(struct task_struct *tsk)
261 {
262 return AUDIT_SID_UNSET;
263 }
264
265 #define audit_enabled AUDIT_OFF
266
267 static inline int audit_signal_info(int sig, struct task_struct *t)
268 {
269 return 0;
270 }
271
272 #endif /* CONFIG_AUDIT */
273
274 #ifdef CONFIG_AUDIT_COMPAT_GENERIC
275 #define audit_is_compat(arch) (!((arch) & __AUDIT_ARCH_64BIT))
276 #else
277 #define audit_is_compat(arch) false
278 #endif
279
280 #define AUDIT_INODE_PARENT 1 /* dentry represents the parent */
281 #define AUDIT_INODE_HIDDEN 2 /* audit record should be hidden */
282 #define AUDIT_INODE_NOEVAL 4 /* audit record incomplete */
283
284 #ifdef CONFIG_AUDITSYSCALL
285 #include <asm/syscall.h> /* for syscall_get_arch() */
286
287 /* These are defined in auditsc.c */
288 /* Public API */
289 extern int audit_alloc(struct task_struct *task);
290 extern void __audit_free(struct task_struct *task);
291 extern void __audit_uring_entry(u8 op);
292 extern void __audit_uring_exit(int success, long code);
293 extern void __audit_syscall_entry(int major, unsigned long a0, unsigned long a1,
294 unsigned long a2, unsigned long a3);
295 extern void __audit_syscall_exit(int ret_success, long ret_value);
296 extern struct filename *__audit_reusename(const __user char *uptr);
297 extern void __audit_getname(struct filename *name);
298 extern void __audit_inode(struct filename *name, const struct dentry *dentry,
299 unsigned int flags);
300 extern void __audit_file(const struct file *);
301 extern void __audit_inode_child(struct inode *parent,
302 const struct dentry *dentry,
303 const unsigned char type);
304 extern void audit_seccomp(unsigned long syscall, long signr, int code);
305 extern void audit_seccomp_actions_logged(const char *names,
306 const char *old_names, int res);
307 extern void __audit_ptrace(struct task_struct *t);
308
309 static inline void audit_set_context(struct task_struct *task, struct audit_context *ctx)
310 {
311 task->audit_context = ctx;
312 }
313
314 static inline struct audit_context *audit_context(void)
315 {
316 return current->audit_context;
317 }
318
319 static inline bool audit_dummy_context(void)
320 {
321 void *p = audit_context();
322 return !p || *(int *)p;
323 }
324 static inline void audit_free(struct task_struct *task)
325 {
326 if (unlikely(task->audit_context))
327 __audit_free(task);
328 }
329 static inline void audit_uring_entry(u8 op)
330 {
331 /*
332 * We intentionally check audit_context() before audit_enabled as most
333 * Linux systems (as of ~2021) rely on systemd which forces audit to
334 * be enabled regardless of the user's audit configuration.
335 */
336 if (unlikely(audit_context() && audit_enabled))
337 __audit_uring_entry(op);
338 }
339 static inline void audit_uring_exit(int success, long code)
340 {
341 if (unlikely(audit_context()))
342 __audit_uring_exit(success, code);
343 }
344 static inline void audit_syscall_entry(int major, unsigned long a0,
345 unsigned long a1, unsigned long a2,
346 unsigned long a3)
347 {
348 if (unlikely(audit_context()))
349 __audit_syscall_entry(major, a0, a1, a2, a3);
350 }
351 static inline void audit_syscall_exit(void *pt_regs)
352 {
353 if (unlikely(audit_context())) {
354 int success = is_syscall_success(pt_regs);
355 long return_code = regs_return_value(pt_regs);
356
357 __audit_syscall_exit(success, return_code);
358 }
359 }
360 static inline struct filename *audit_reusename(const __user char *name)
361 {
362 if (unlikely(!audit_dummy_context()))
363 return __audit_reusename(name);
364 return NULL;
365 }
366 static inline void audit_getname(struct filename *name)
367 {
368 if (unlikely(!audit_dummy_context()))
369 __audit_getname(name);
370 }
371 static inline void audit_inode(struct filename *name,
372 const struct dentry *dentry,
373 unsigned int aflags) {
374 if (unlikely(!audit_dummy_context()))
375 __audit_inode(name, dentry, aflags);
376 }
377 static inline void audit_file(struct file *file)
378 {
379 if (unlikely(!audit_dummy_context()))
380 __audit_file(file);
381 }
382 static inline void audit_inode_parent_hidden(struct filename *name,
383 const struct dentry *dentry)
384 {
385 if (unlikely(!audit_dummy_context()))
386 __audit_inode(name, dentry,
387 AUDIT_INODE_PARENT | AUDIT_INODE_HIDDEN);
388 }
389 static inline void audit_inode_child(struct inode *parent,
390 const struct dentry *dentry,
391 const unsigned char type) {
392 if (unlikely(!audit_dummy_context()))
393 __audit_inode_child(parent, dentry, type);
394 }
395 void audit_core_dumps(long signr);
396
397 static inline void audit_ptrace(struct task_struct *t)
398 {
399 if (unlikely(!audit_dummy_context()))
400 __audit_ptrace(t);
401 }
402
403 /* Private API (for audit.c only) */
404 extern void __audit_ipc_obj(struct kern_ipc_perm *ipcp);
405 extern void __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode);
406 extern void __audit_bprm(struct linux_binprm *bprm);
407 extern int __audit_socketcall(int nargs, unsigned long *args);
408 extern int __audit_sockaddr(int len, void *addr);
409 extern void __audit_fd_pair(int fd1, int fd2);
410 extern void __audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr);
411 extern void __audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec64 *abs_timeout);
412 extern void __audit_mq_notify(mqd_t mqdes, const struct sigevent *notification);
413 extern void __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat);
414 extern int __audit_log_bprm_fcaps(struct linux_binprm *bprm,
415 const struct cred *new,
416 const struct cred *old);
417 extern void __audit_log_capset(const struct cred *new, const struct cred *old);
418 extern void __audit_mmap_fd(int fd, int flags);
419 extern void __audit_openat2_how(struct open_how *how);
420 extern void __audit_log_kern_module(char *name);
421 extern void __audit_fanotify(u32 response, struct fanotify_response_info_audit_rule *friar);
422 extern void __audit_tk_injoffset(struct timespec64 offset);
423 extern void __audit_ntp_log(const struct audit_ntp_data *ad);
424 extern void __audit_log_nfcfg(const char *name, u8 af, unsigned int nentries,
425 enum audit_nfcfgop op, gfp_t gfp);
426
427 static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp)
428 {
429 if (unlikely(!audit_dummy_context()))
430 __audit_ipc_obj(ipcp);
431 }
432 static inline void audit_fd_pair(int fd1, int fd2)
433 {
434 if (unlikely(!audit_dummy_context()))
435 __audit_fd_pair(fd1, fd2);
436 }
437 static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode)
438 {
439 if (unlikely(!audit_dummy_context()))
440 __audit_ipc_set_perm(qbytes, uid, gid, mode);
441 }
442 static inline void audit_bprm(struct linux_binprm *bprm)
443 {
444 if (unlikely(!audit_dummy_context()))
445 __audit_bprm(bprm);
446 }
447 static inline int audit_socketcall(int nargs, unsigned long *args)
448 {
449 if (unlikely(!audit_dummy_context()))
450 return __audit_socketcall(nargs, args);
451 return 0;
452 }
453
454 static inline int audit_socketcall_compat(int nargs, u32 *args)
455 {
456 unsigned long a[AUDITSC_ARGS];
457 int i;
458
459 if (audit_dummy_context())
460 return 0;
461
462 for (i = 0; i < nargs; i++)
463 a[i] = (unsigned long)args[i];
464 return __audit_socketcall(nargs, a);
465 }
466
467 static inline int audit_sockaddr(int len, void *addr)
468 {
469 if (unlikely(!audit_dummy_context()))
470 return __audit_sockaddr(len, addr);
471 return 0;
472 }
473 static inline void audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr)
474 {
475 if (unlikely(!audit_dummy_context()))
476 __audit_mq_open(oflag, mode, attr);
477 }
478 static inline void audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec64 *abs_timeout)
479 {
480 if (unlikely(!audit_dummy_context()))
481 __audit_mq_sendrecv(mqdes, msg_len, msg_prio, abs_timeout);
482 }
483 static inline void audit_mq_notify(mqd_t mqdes, const struct sigevent *notification)
484 {
485 if (unlikely(!audit_dummy_context()))
486 __audit_mq_notify(mqdes, notification);
487 }
488 static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat)
489 {
490 if (unlikely(!audit_dummy_context()))
491 __audit_mq_getsetattr(mqdes, mqstat);
492 }
493
494 static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm,
495 const struct cred *new,
496 const struct cred *old)
497 {
498 if (unlikely(!audit_dummy_context()))
499 return __audit_log_bprm_fcaps(bprm, new, old);
500 return 0;
501 }
502
503 static inline void audit_log_capset(const struct cred *new,
504 const struct cred *old)
505 {
506 if (unlikely(!audit_dummy_context()))
507 __audit_log_capset(new, old);
508 }
509
510 static inline void audit_mmap_fd(int fd, int flags)
511 {
512 if (unlikely(!audit_dummy_context()))
513 __audit_mmap_fd(fd, flags);
514 }
515
516 static inline void audit_openat2_how(struct open_how *how)
517 {
518 if (unlikely(!audit_dummy_context()))
519 __audit_openat2_how(how);
520 }
521
522 static inline void audit_log_kern_module(char *name)
523 {
524 if (!audit_dummy_context())
525 __audit_log_kern_module(name);
526 }
527
528 static inline void audit_fanotify(u32 response, struct fanotify_response_info_audit_rule *friar)
529 {
530 if (!audit_dummy_context())
531 __audit_fanotify(response, friar);
532 }
533
534 static inline void audit_tk_injoffset(struct timespec64 offset)
535 {
536 /* ignore no-op events */
537 if (offset.tv_sec == 0 && offset.tv_nsec == 0)
538 return;
539
540 if (!audit_dummy_context())
541 __audit_tk_injoffset(offset);
542 }
543
544 static inline void audit_ntp_init(struct audit_ntp_data *ad)
545 {
546 memset(ad, 0, sizeof(*ad));
547 }
548
549 static inline void audit_ntp_set_old(struct audit_ntp_data *ad,
550 enum audit_ntp_type type, long long val)
551 {
552 ad->vals[type].oldval = val;
553 }
554
555 static inline void audit_ntp_set_new(struct audit_ntp_data *ad,
556 enum audit_ntp_type type, long long val)
557 {
558 ad->vals[type].newval = val;
559 }
560
561 static inline void audit_ntp_log(const struct audit_ntp_data *ad)
562 {
563 if (!audit_dummy_context())
564 __audit_ntp_log(ad);
565 }
566
567 static inline void audit_log_nfcfg(const char *name, u8 af,
568 unsigned int nentries,
569 enum audit_nfcfgop op, gfp_t gfp)
570 {
571 if (audit_enabled)
572 __audit_log_nfcfg(name, af, nentries, op, gfp);
573 }
574
575 extern int audit_n_rules;
576 extern int audit_signals;
577 #else /* CONFIG_AUDITSYSCALL */
578 static inline int audit_alloc(struct task_struct *task)
579 {
580 return 0;
581 }
582 static inline void audit_free(struct task_struct *task)
583 { }
584 static inline void audit_uring_entry(u8 op)
585 { }
586 static inline void audit_uring_exit(int success, long code)
587 { }
588 static inline void audit_syscall_entry(int major, unsigned long a0,
589 unsigned long a1, unsigned long a2,
590 unsigned long a3)
591 { }
592 static inline void audit_syscall_exit(void *pt_regs)
593 { }
594 static inline bool audit_dummy_context(void)
595 {
596 return true;
597 }
598 static inline void audit_set_context(struct task_struct *task, struct audit_context *ctx)
599 { }
600 static inline struct audit_context *audit_context(void)
601 {
602 return NULL;
603 }
604 static inline struct filename *audit_reusename(const __user char *name)
605 {
606 return NULL;
607 }
608 static inline void audit_getname(struct filename *name)
609 { }
610 static inline void audit_inode(struct filename *name,
611 const struct dentry *dentry,
612 unsigned int aflags)
613 { }
614 static inline void audit_file(struct file *file)
615 {
616 }
617 static inline void audit_inode_parent_hidden(struct filename *name,
618 const struct dentry *dentry)
619 { }
620 static inline void audit_inode_child(struct inode *parent,
621 const struct dentry *dentry,
622 const unsigned char type)
623 { }
624 static inline void audit_core_dumps(long signr)
625 { }
626 static inline void audit_seccomp(unsigned long syscall, long signr, int code)
627 { }
628 static inline void audit_seccomp_actions_logged(const char *names,
629 const char *old_names, int res)
630 { }
631 static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp)
632 { }
633 static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid,
634 gid_t gid, umode_t mode)
635 { }
636 static inline void audit_bprm(struct linux_binprm *bprm)
637 { }
638 static inline int audit_socketcall(int nargs, unsigned long *args)
639 {
640 return 0;
641 }
642
643 static inline int audit_socketcall_compat(int nargs, u32 *args)
644 {
645 return 0;
646 }
647
648 static inline void audit_fd_pair(int fd1, int fd2)
649 { }
650 static inline int audit_sockaddr(int len, void *addr)
651 {
652 return 0;
653 }
654 static inline void audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr)
655 { }
656 static inline void audit_mq_sendrecv(mqd_t mqdes, size_t msg_len,
657 unsigned int msg_prio,
658 const struct timespec64 *abs_timeout)
659 { }
660 static inline void audit_mq_notify(mqd_t mqdes,
661 const struct sigevent *notification)
662 { }
663 static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat)
664 { }
665 static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm,
666 const struct cred *new,
667 const struct cred *old)
668 {
669 return 0;
670 }
671 static inline void audit_log_capset(const struct cred *new,
672 const struct cred *old)
673 { }
674 static inline void audit_mmap_fd(int fd, int flags)
675 { }
676
677 static inline void audit_openat2_how(struct open_how *how)
678 { }
679
680 static inline void audit_log_kern_module(char *name)
681 {
682 }
683
684 static inline void audit_fanotify(u32 response, struct fanotify_response_info_audit_rule *friar)
685 { }
686
687 static inline void audit_tk_injoffset(struct timespec64 offset)
688 { }
689
690 static inline void audit_ntp_init(struct audit_ntp_data *ad)
691 { }
692
693 static inline void audit_ntp_set_old(struct audit_ntp_data *ad,
694 enum audit_ntp_type type, long long val)
695 { }
696
697 static inline void audit_ntp_set_new(struct audit_ntp_data *ad,
698 enum audit_ntp_type type, long long val)
699 { }
700
701 static inline void audit_ntp_log(const struct audit_ntp_data *ad)
702 { }
703
704 static inline void audit_ptrace(struct task_struct *t)
705 { }
706
707 static inline void audit_log_nfcfg(const char *name, u8 af,
708 unsigned int nentries,
709 enum audit_nfcfgop op, gfp_t gfp)
710 { }
711
712 #define audit_n_rules 0
713 #define audit_signals 0
714 #endif /* CONFIG_AUDITSYSCALL */
715
716 static inline bool audit_loginuid_set(struct task_struct *tsk)
717 {
718 return uid_valid(audit_get_loginuid(tsk));
719 }
720
721 #endif
722
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