xref: /linux/include/linux/audit.h (revision 37a93dd5c49b5fda807fd204edf2547c3493319c)
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/fanotify.h>
17 
18 #define AUDIT_INO_UNSET ((unsigned long)-1)
19 #define AUDIT_DEV_UNSET ((dev_t)-1)
20 
21 struct audit_sig_info {
22 	uid_t		uid;
23 	pid_t		pid;
24 	char		ctx[];
25 };
26 
27 struct audit_buffer;
28 struct audit_context;
29 struct inode;
30 struct netlink_skb_parms;
31 struct path;
32 struct linux_binprm;
33 struct mq_attr;
34 struct mqstat;
35 struct audit_watch;
36 struct audit_tree;
37 struct sk_buff;
38 struct kern_ipc_perm;
39 struct lsm_id;
40 struct lsm_prop;
41 
42 struct audit_krule {
43 	u32			pflags;
44 	u32			flags;
45 	u32			listnr;
46 	u32			action;
47 	u32			mask[AUDIT_BITMASK_SIZE];
48 	u32			buflen; /* for data alloc on list rules */
49 	u32			field_count;
50 	char			*filterkey; /* ties events to rules */
51 	struct audit_field	*fields;
52 	struct audit_field	*arch_f; /* quick access to arch field */
53 	struct audit_field	*inode_f; /* quick access to an inode field */
54 	struct audit_watch	*watch;	/* associated watch */
55 	struct audit_tree	*tree;	/* associated watched tree */
56 	struct audit_fsnotify_mark	*exe;
57 	struct list_head	rlist;	/* entry in audit_{watch,tree}.rules list */
58 	struct list_head	list;	/* for AUDIT_LIST* purposes only */
59 	u64			prio;
60 };
61 
62 /* Flag to indicate legacy AUDIT_LOGINUID unset usage */
63 #define AUDIT_LOGINUID_LEGACY		0x1
64 
65 struct audit_field {
66 	u32				type;
67 	union {
68 		u32			val;
69 		kuid_t			uid;
70 		kgid_t			gid;
71 		struct {
72 			char		*lsm_str;
73 			void		*lsm_rule;
74 		};
75 	};
76 	u32				op;
77 };
78 
79 enum audit_ntp_type {
80 	AUDIT_NTP_OFFSET,
81 	AUDIT_NTP_FREQ,
82 	AUDIT_NTP_STATUS,
83 	AUDIT_NTP_TAI,
84 	AUDIT_NTP_TICK,
85 	AUDIT_NTP_ADJUST,
86 
87 	AUDIT_NTP_NVALS /* count */
88 };
89 
90 #ifdef CONFIG_AUDITSYSCALL
91 struct audit_ntp_val {
92 	long long oldval, newval;
93 };
94 
95 struct audit_ntp_data {
96 	struct audit_ntp_val vals[AUDIT_NTP_NVALS];
97 };
98 #else
99 struct audit_ntp_data {};
100 #endif
101 
102 enum audit_nfcfgop {
103 	AUDIT_XT_OP_REGISTER,
104 	AUDIT_XT_OP_REPLACE,
105 	AUDIT_XT_OP_UNREGISTER,
106 	AUDIT_NFT_OP_TABLE_REGISTER,
107 	AUDIT_NFT_OP_TABLE_UNREGISTER,
108 	AUDIT_NFT_OP_CHAIN_REGISTER,
109 	AUDIT_NFT_OP_CHAIN_UNREGISTER,
110 	AUDIT_NFT_OP_RULE_REGISTER,
111 	AUDIT_NFT_OP_RULE_UNREGISTER,
112 	AUDIT_NFT_OP_SET_REGISTER,
113 	AUDIT_NFT_OP_SET_UNREGISTER,
114 	AUDIT_NFT_OP_SETELEM_REGISTER,
115 	AUDIT_NFT_OP_SETELEM_UNREGISTER,
116 	AUDIT_NFT_OP_GEN_REGISTER,
117 	AUDIT_NFT_OP_OBJ_REGISTER,
118 	AUDIT_NFT_OP_OBJ_UNREGISTER,
119 	AUDIT_NFT_OP_OBJ_RESET,
120 	AUDIT_NFT_OP_FLOWTABLE_REGISTER,
121 	AUDIT_NFT_OP_FLOWTABLE_UNREGISTER,
122 	AUDIT_NFT_OP_SETELEM_RESET,
123 	AUDIT_NFT_OP_RULE_RESET,
124 	AUDIT_NFT_OP_INVALID,
125 };
126 
127 extern int __init audit_register_class(int class, unsigned *list);
128 extern int audit_classify_syscall(int abi, unsigned syscall);
129 extern int audit_classify_arch(int arch);
130 
131 /* audit_names->type values */
132 #define	AUDIT_TYPE_UNKNOWN	0	/* we don't know yet */
133 #define	AUDIT_TYPE_NORMAL	1	/* a "normal" audit record */
134 #define	AUDIT_TYPE_PARENT	2	/* a parent audit record */
135 #define	AUDIT_TYPE_CHILD_DELETE 3	/* a child being deleted */
136 #define	AUDIT_TYPE_CHILD_CREATE 4	/* a child being created */
137 
138 /* maximized args number that audit_socketcall can process */
139 #define AUDITSC_ARGS		6
140 
141 /* bit values for ->signal->audit_tty */
142 #define AUDIT_TTY_ENABLE	BIT(0)
143 #define AUDIT_TTY_LOG_PASSWD	BIT(1)
144 
145 /* bit values for audit_cfg_lsm */
146 #define AUDIT_CFG_LSM_SECCTX_SUBJECT	BIT(0)
147 #define AUDIT_CFG_LSM_SECCTX_OBJECT	BIT(1)
148 
149 struct filename;
150 
151 #define AUDIT_OFF	0
152 #define AUDIT_ON	1
153 #define AUDIT_LOCKED	2
154 #ifdef CONFIG_AUDIT
155 /* These are defined in audit.c */
156 				/* Public API */
157 extern __printf(4, 5)
158 void audit_log(struct audit_context *ctx, gfp_t gfp_mask, int type,
159 	       const char *fmt, ...);
160 
161 extern struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp_mask, int type);
162 extern __printf(2, 3)
163 void audit_log_format(struct audit_buffer *ab, const char *fmt, ...);
164 extern void		    audit_log_end(struct audit_buffer *ab);
165 extern bool		    audit_string_contains_control(const char *string,
166 							  size_t len);
167 extern void		    audit_log_n_hex(struct audit_buffer *ab,
168 					  const unsigned char *buf,
169 					  size_t len);
170 extern void		    audit_log_n_string(struct audit_buffer *ab,
171 					       const char *buf,
172 					       size_t n);
173 extern void		    audit_log_n_untrustedstring(struct audit_buffer *ab,
174 							const char *string,
175 							size_t n);
176 extern void		    audit_log_untrustedstring(struct audit_buffer *ab,
177 						      const char *string);
178 extern void		    audit_log_d_path(struct audit_buffer *ab,
179 					     const char *prefix,
180 					     const struct path *path);
181 extern void		    audit_log_key(struct audit_buffer *ab,
182 					  char *key);
183 extern void		    audit_log_path_denied(int type,
184 						  const char *operation);
185 extern void		    audit_log_lost(const char *message);
186 
187 extern int audit_log_subj_ctx(struct audit_buffer *ab, struct lsm_prop *prop);
188 extern int audit_log_obj_ctx(struct audit_buffer *ab, struct lsm_prop *prop);
189 extern int audit_log_task_context(struct audit_buffer *ab);
190 extern void audit_log_task_info(struct audit_buffer *ab);
191 extern int audit_log_nf_skb(struct audit_buffer *ab,
192 			    const struct sk_buff *skb, u8 nfproto);
193 
194 extern int		    audit_update_lsm_rules(void);
195 
196 				/* Private API (for audit.c only) */
197 extern int audit_rule_change(int type, int seq, void *data, size_t datasz);
198 extern int audit_list_rules_send(struct sk_buff *request_skb, int seq);
199 
200 extern int audit_set_loginuid(kuid_t loginuid);
201 
202 static inline kuid_t audit_get_loginuid(struct task_struct *tsk)
203 {
204 	return tsk->loginuid;
205 }
206 
207 static inline unsigned int audit_get_sessionid(struct task_struct *tsk)
208 {
209 	return tsk->sessionid;
210 }
211 
212 extern u32 audit_enabled;
213 
214 extern int audit_signal_info(int sig, struct task_struct *t);
215 
216 extern void audit_cfg_lsm(const struct lsm_id *lsmid, int flags);
217 
218 #else /* CONFIG_AUDIT */
219 static inline __printf(4, 5)
220 void audit_log(struct audit_context *ctx, gfp_t gfp_mask, int type,
221 	       const char *fmt, ...)
222 { }
223 static inline struct audit_buffer *audit_log_start(struct audit_context *ctx,
224 						   gfp_t gfp_mask, int type)
225 {
226 	return NULL;
227 }
228 static inline __printf(2, 3)
229 void audit_log_format(struct audit_buffer *ab, const char *fmt, ...)
230 { }
231 static inline void audit_log_end(struct audit_buffer *ab)
232 { }
233 static inline void audit_log_n_hex(struct audit_buffer *ab,
234 				   const unsigned char *buf, size_t len)
235 { }
236 static inline void audit_log_n_string(struct audit_buffer *ab,
237 				      const char *buf, size_t n)
238 { }
239 static inline void  audit_log_n_untrustedstring(struct audit_buffer *ab,
240 						const char *string, size_t n)
241 { }
242 static inline void audit_log_untrustedstring(struct audit_buffer *ab,
243 					     const char *string)
244 { }
245 static inline void audit_log_d_path(struct audit_buffer *ab,
246 				    const char *prefix,
247 				    const struct path *path)
248 { }
249 static inline void audit_log_key(struct audit_buffer *ab, char *key)
250 { }
251 static inline void audit_log_path_denied(int type, const char *operation)
252 { }
253 static inline int audit_log_subj_ctx(struct audit_buffer *ab,
254 				     struct lsm_prop *prop)
255 {
256 	return 0;
257 }
258 static inline int audit_log_obj_ctx(struct audit_buffer *ab,
259 				    struct lsm_prop *prop)
260 {
261 	return 0;
262 }
263 static inline int audit_log_task_context(struct audit_buffer *ab)
264 {
265 	return 0;
266 }
267 static inline void audit_log_task_info(struct audit_buffer *ab)
268 { }
269 
270 static inline int audit_log_nf_skb(struct audit_buffer *ab,
271 				   const struct sk_buff *skb, u8 nfproto)
272 {
273 	return 0;
274 }
275 
276 static inline kuid_t audit_get_loginuid(struct task_struct *tsk)
277 {
278 	return INVALID_UID;
279 }
280 
281 static inline unsigned int audit_get_sessionid(struct task_struct *tsk)
282 {
283 	return AUDIT_SID_UNSET;
284 }
285 
286 #define audit_enabled AUDIT_OFF
287 
288 static inline int audit_signal_info(int sig, struct task_struct *t)
289 {
290 	return 0;
291 }
292 
293 static inline void audit_cfg_lsm(const struct lsm_id *lsmid, int flags)
294 { }
295 
296 #endif /* CONFIG_AUDIT */
297 
298 #ifdef CONFIG_AUDIT_COMPAT_GENERIC
299 #define audit_is_compat(arch)  (!((arch) & __AUDIT_ARCH_64BIT))
300 #else
301 #define audit_is_compat(arch)  false
302 #endif
303 
304 #define AUDIT_INODE_PARENT	1	/* dentry represents the parent */
305 #define AUDIT_INODE_HIDDEN	2	/* audit record should be hidden */
306 #define AUDIT_INODE_NOEVAL	4	/* audit record incomplete */
307 
308 #ifdef CONFIG_AUDITSYSCALL
309 #include <asm/syscall.h> /* for syscall_get_arch() */
310 
311 /* These are defined in auditsc.c */
312 				/* Public API */
313 extern int  audit_alloc(struct task_struct *task);
314 extern void __audit_free(struct task_struct *task);
315 extern void __audit_uring_entry(u8 op);
316 extern void __audit_uring_exit(int success, long code);
317 extern void __audit_syscall_entry(int major, unsigned long a0, unsigned long a1,
318 				  unsigned long a2, unsigned long a3);
319 extern void __audit_syscall_exit(int ret_success, long ret_value);
320 extern void __audit_getname(struct filename *name);
321 extern void __audit_inode(struct filename *name, const struct dentry *dentry,
322 				unsigned int flags);
323 extern void __audit_file(const struct file *);
324 extern void __audit_inode_child(struct inode *parent,
325 				const struct dentry *dentry,
326 				const unsigned char type);
327 extern void audit_seccomp(unsigned long syscall, long signr, int code);
328 extern void audit_seccomp_actions_logged(const char *names,
329 					 const char *old_names, int res);
330 extern void __audit_ptrace(struct task_struct *t);
331 
332 static inline void audit_set_context(struct task_struct *task, struct audit_context *ctx)
333 {
334 	task->audit_context = ctx;
335 }
336 
337 static inline struct audit_context *audit_context(void)
338 {
339 	return current->audit_context;
340 }
341 
342 static inline bool audit_dummy_context(void)
343 {
344 	void *p = audit_context();
345 	return !p || *(int *)p;
346 }
347 static inline void audit_free(struct task_struct *task)
348 {
349 	if (unlikely(task->audit_context))
350 		__audit_free(task);
351 }
352 static inline void audit_uring_entry(u8 op)
353 {
354 	/*
355 	 * We intentionally check audit_context() before audit_enabled as most
356 	 * Linux systems (as of ~2021) rely on systemd which forces audit to
357 	 * be enabled regardless of the user's audit configuration.
358 	 */
359 	if (unlikely(audit_context() && audit_enabled))
360 		__audit_uring_entry(op);
361 }
362 static inline void audit_uring_exit(int success, long code)
363 {
364 	if (unlikely(audit_context()))
365 		__audit_uring_exit(success, code);
366 }
367 static inline void audit_syscall_entry(int major, unsigned long a0,
368 				       unsigned long a1, unsigned long a2,
369 				       unsigned long a3)
370 {
371 	if (unlikely(audit_context()))
372 		__audit_syscall_entry(major, a0, a1, a2, a3);
373 }
374 static inline void audit_syscall_exit(void *pt_regs)
375 {
376 	if (unlikely(audit_context())) {
377 		int success = is_syscall_success(pt_regs);
378 		long return_code = regs_return_value(pt_regs);
379 
380 		__audit_syscall_exit(success, return_code);
381 	}
382 }
383 static inline void audit_getname(struct filename *name)
384 {
385 	if (unlikely(!audit_dummy_context()))
386 		__audit_getname(name);
387 }
388 static inline void audit_inode(struct filename *name,
389 				const struct dentry *dentry,
390 				unsigned int aflags) {
391 	if (unlikely(!audit_dummy_context()))
392 		__audit_inode(name, dentry, aflags);
393 }
394 static inline void audit_file(struct file *file)
395 {
396 	if (unlikely(!audit_dummy_context()))
397 		__audit_file(file);
398 }
399 static inline void audit_inode_parent_hidden(struct filename *name,
400 						const struct dentry *dentry)
401 {
402 	if (unlikely(!audit_dummy_context()))
403 		__audit_inode(name, dentry,
404 				AUDIT_INODE_PARENT | AUDIT_INODE_HIDDEN);
405 }
406 static inline void audit_inode_child(struct inode *parent,
407 				     const struct dentry *dentry,
408 				     const unsigned char type) {
409 	if (unlikely(!audit_dummy_context()))
410 		__audit_inode_child(parent, dentry, type);
411 }
412 void audit_core_dumps(long signr);
413 
414 static inline void audit_ptrace(struct task_struct *t)
415 {
416 	if (unlikely(!audit_dummy_context()))
417 		__audit_ptrace(t);
418 }
419 
420 				/* Private API (for audit.c only) */
421 extern void __audit_ipc_obj(struct kern_ipc_perm *ipcp);
422 extern void __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode);
423 extern void __audit_bprm(struct linux_binprm *bprm);
424 extern int __audit_socketcall(int nargs, unsigned long *args);
425 extern int __audit_sockaddr(int len, void *addr);
426 extern void __audit_fd_pair(int fd1, int fd2);
427 extern void __audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr);
428 extern void __audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec64 *abs_timeout);
429 extern void __audit_mq_notify(mqd_t mqdes, const struct sigevent *notification);
430 extern void __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat);
431 extern int __audit_log_bprm_fcaps(struct linux_binprm *bprm,
432 				  const struct cred *new,
433 				  const struct cred *old);
434 extern void __audit_log_capset(const struct cred *new, const struct cred *old);
435 extern void __audit_mmap_fd(int fd, int flags);
436 extern void __audit_openat2_how(struct open_how *how);
437 extern void __audit_log_kern_module(const char *name);
438 extern void __audit_fanotify(u32 response, struct fanotify_response_info_audit_rule *friar);
439 extern void __audit_tk_injoffset(struct timespec64 offset);
440 extern void __audit_ntp_log(const struct audit_ntp_data *ad);
441 extern void __audit_log_nfcfg(const char *name, u8 af, unsigned int nentries,
442 			      enum audit_nfcfgop op, gfp_t gfp);
443 
444 static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp)
445 {
446 	if (unlikely(!audit_dummy_context()))
447 		__audit_ipc_obj(ipcp);
448 }
449 static inline void audit_fd_pair(int fd1, int fd2)
450 {
451 	if (unlikely(!audit_dummy_context()))
452 		__audit_fd_pair(fd1, fd2);
453 }
454 static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode)
455 {
456 	if (unlikely(!audit_dummy_context()))
457 		__audit_ipc_set_perm(qbytes, uid, gid, mode);
458 }
459 static inline void audit_bprm(struct linux_binprm *bprm)
460 {
461 	if (unlikely(!audit_dummy_context()))
462 		__audit_bprm(bprm);
463 }
464 static inline int audit_socketcall(int nargs, unsigned long *args)
465 {
466 	if (unlikely(!audit_dummy_context()))
467 		return __audit_socketcall(nargs, args);
468 	return 0;
469 }
470 
471 static inline int audit_socketcall_compat(int nargs, u32 *args)
472 {
473 	unsigned long a[AUDITSC_ARGS];
474 	int i;
475 
476 	if (audit_dummy_context())
477 		return 0;
478 
479 	for (i = 0; i < nargs; i++)
480 		a[i] = (unsigned long)args[i];
481 	return __audit_socketcall(nargs, a);
482 }
483 
484 static inline int audit_sockaddr(int len, void *addr)
485 {
486 	if (unlikely(!audit_dummy_context()))
487 		return __audit_sockaddr(len, addr);
488 	return 0;
489 }
490 static inline void audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr)
491 {
492 	if (unlikely(!audit_dummy_context()))
493 		__audit_mq_open(oflag, mode, attr);
494 }
495 static inline void audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec64 *abs_timeout)
496 {
497 	if (unlikely(!audit_dummy_context()))
498 		__audit_mq_sendrecv(mqdes, msg_len, msg_prio, abs_timeout);
499 }
500 static inline void audit_mq_notify(mqd_t mqdes, const struct sigevent *notification)
501 {
502 	if (unlikely(!audit_dummy_context()))
503 		__audit_mq_notify(mqdes, notification);
504 }
505 static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat)
506 {
507 	if (unlikely(!audit_dummy_context()))
508 		__audit_mq_getsetattr(mqdes, mqstat);
509 }
510 
511 static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm,
512 				       const struct cred *new,
513 				       const struct cred *old)
514 {
515 	if (unlikely(!audit_dummy_context()))
516 		return __audit_log_bprm_fcaps(bprm, new, old);
517 	return 0;
518 }
519 
520 static inline void audit_log_capset(const struct cred *new,
521 				   const struct cred *old)
522 {
523 	if (unlikely(!audit_dummy_context()))
524 		__audit_log_capset(new, old);
525 }
526 
527 static inline void audit_mmap_fd(int fd, int flags)
528 {
529 	if (unlikely(!audit_dummy_context()))
530 		__audit_mmap_fd(fd, flags);
531 }
532 
533 static inline void audit_openat2_how(struct open_how *how)
534 {
535 	if (unlikely(!audit_dummy_context()))
536 		__audit_openat2_how(how);
537 }
538 
539 static inline void audit_log_kern_module(const char *name)
540 {
541 	if (!audit_dummy_context())
542 		__audit_log_kern_module(name);
543 }
544 
545 static inline void audit_fanotify(u32 response, struct fanotify_response_info_audit_rule *friar)
546 {
547 	if (audit_enabled)
548 		__audit_fanotify(response, friar);
549 }
550 
551 static inline void audit_tk_injoffset(struct timespec64 offset)
552 {
553 	/* ignore no-op events */
554 	if (offset.tv_sec == 0 && offset.tv_nsec == 0)
555 		return;
556 
557 	if (!audit_dummy_context())
558 		__audit_tk_injoffset(offset);
559 }
560 
561 static inline void audit_ntp_init(struct audit_ntp_data *ad)
562 {
563 	memset(ad, 0, sizeof(*ad));
564 }
565 
566 static inline void audit_ntp_set_old(struct audit_ntp_data *ad,
567 				     enum audit_ntp_type type, long long val)
568 {
569 	ad->vals[type].oldval = val;
570 }
571 
572 static inline void audit_ntp_set_new(struct audit_ntp_data *ad,
573 				     enum audit_ntp_type type, long long val)
574 {
575 	ad->vals[type].newval = val;
576 }
577 
578 static inline void audit_ntp_log(const struct audit_ntp_data *ad)
579 {
580 	if (!audit_dummy_context())
581 		__audit_ntp_log(ad);
582 }
583 
584 static inline void audit_log_nfcfg(const char *name, u8 af,
585 				   unsigned int nentries,
586 				   enum audit_nfcfgop op, gfp_t gfp)
587 {
588 	if (audit_enabled)
589 		__audit_log_nfcfg(name, af, nentries, op, gfp);
590 }
591 
592 extern int audit_n_rules;
593 extern int audit_signals;
594 #else /* CONFIG_AUDITSYSCALL */
595 static inline int audit_alloc(struct task_struct *task)
596 {
597 	return 0;
598 }
599 static inline void audit_free(struct task_struct *task)
600 { }
601 static inline void audit_uring_entry(u8 op)
602 { }
603 static inline void audit_uring_exit(int success, long code)
604 { }
605 static inline void audit_syscall_entry(int major, unsigned long a0,
606 				       unsigned long a1, unsigned long a2,
607 				       unsigned long a3)
608 { }
609 static inline void audit_syscall_exit(void *pt_regs)
610 { }
611 static inline bool audit_dummy_context(void)
612 {
613 	return true;
614 }
615 static inline void audit_set_context(struct task_struct *task, struct audit_context *ctx)
616 { }
617 static inline struct audit_context *audit_context(void)
618 {
619 	return NULL;
620 }
621 static inline void audit_getname(struct filename *name)
622 { }
623 static inline void audit_inode(struct filename *name,
624 				const struct dentry *dentry,
625 				unsigned int aflags)
626 { }
627 static inline void audit_file(struct file *file)
628 {
629 }
630 static inline void audit_inode_parent_hidden(struct filename *name,
631 				const struct dentry *dentry)
632 { }
633 static inline void audit_inode_child(struct inode *parent,
634 				     const struct dentry *dentry,
635 				     const unsigned char type)
636 { }
637 static inline void audit_core_dumps(long signr)
638 { }
639 static inline void audit_seccomp(unsigned long syscall, long signr, int code)
640 { }
641 static inline void audit_seccomp_actions_logged(const char *names,
642 						const char *old_names, int res)
643 { }
644 static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp)
645 { }
646 static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid,
647 					gid_t gid, umode_t mode)
648 { }
649 static inline void audit_bprm(struct linux_binprm *bprm)
650 { }
651 static inline int audit_socketcall(int nargs, unsigned long *args)
652 {
653 	return 0;
654 }
655 
656 static inline int audit_socketcall_compat(int nargs, u32 *args)
657 {
658 	return 0;
659 }
660 
661 static inline void audit_fd_pair(int fd1, int fd2)
662 { }
663 static inline int audit_sockaddr(int len, void *addr)
664 {
665 	return 0;
666 }
667 static inline void audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr)
668 { }
669 static inline void audit_mq_sendrecv(mqd_t mqdes, size_t msg_len,
670 				     unsigned int msg_prio,
671 				     const struct timespec64 *abs_timeout)
672 { }
673 static inline void audit_mq_notify(mqd_t mqdes,
674 				   const struct sigevent *notification)
675 { }
676 static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat)
677 { }
678 static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm,
679 				       const struct cred *new,
680 				       const struct cred *old)
681 {
682 	return 0;
683 }
684 static inline void audit_log_capset(const struct cred *new,
685 				    const struct cred *old)
686 { }
687 static inline void audit_mmap_fd(int fd, int flags)
688 { }
689 
690 static inline void audit_openat2_how(struct open_how *how)
691 { }
692 
693 static inline void audit_log_kern_module(const char *name)
694 { }
695 
696 static inline void audit_fanotify(u32 response, struct fanotify_response_info_audit_rule *friar)
697 { }
698 
699 static inline void audit_tk_injoffset(struct timespec64 offset)
700 { }
701 
702 static inline void audit_ntp_init(struct audit_ntp_data *ad)
703 { }
704 
705 static inline void audit_ntp_set_old(struct audit_ntp_data *ad,
706 				     enum audit_ntp_type type, long long val)
707 { }
708 
709 static inline void audit_ntp_set_new(struct audit_ntp_data *ad,
710 				     enum audit_ntp_type type, long long val)
711 { }
712 
713 static inline void audit_ntp_log(const struct audit_ntp_data *ad)
714 { }
715 
716 static inline void audit_ptrace(struct task_struct *t)
717 { }
718 
719 static inline void audit_log_nfcfg(const char *name, u8 af,
720 				   unsigned int nentries,
721 				   enum audit_nfcfgop op, gfp_t gfp)
722 { }
723 
724 #define audit_n_rules 0
725 #define audit_signals 0
726 #endif /* CONFIG_AUDITSYSCALL */
727 
728 static inline bool audit_loginuid_set(struct task_struct *tsk)
729 {
730 	return uid_valid(audit_get_loginuid(tsk));
731 }
732 
733 #endif
734