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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
22struct audit_sig_info {
23 uid_t uid;
24 pid_t pid;
25 char ctx[];
26};
27
28struct audit_buffer;
29struct audit_context;
30struct inode;
31struct netlink_skb_parms;
32struct path;
33struct linux_binprm;
34struct mq_attr;
35struct mqstat;
36struct audit_watch;
37struct audit_tree;
38struct sk_buff;
39struct kern_ipc_perm;
40struct lsm_id;
41struct lsm_prop;
42
43struct audit_krule {
44 u32 pflags;
45 u32 flags;
46 u32 listnr;
47 u32 action;
48 u32 mask[AUDIT_BITMASK_SIZE];
49 u32 buflen; /* for data alloc on list rules */
50 u32 field_count;
51 char *filterkey; /* ties events to rules */
52 struct audit_field *fields;
53 struct audit_field *arch_f; /* quick access to arch field */
54 struct audit_field *inode_f; /* quick access to an inode field */
55 struct audit_watch *watch; /* associated watch */
56 struct audit_tree *tree; /* associated watched tree */
57 struct audit_fsnotify_mark *exe;
58 struct list_head rlist; /* entry in audit_{watch,tree}.rules list */
59 struct list_head list; /* for AUDIT_LIST* purposes only */
60 u64 prio;
61};
62
63/* Flag to indicate legacy AUDIT_LOGINUID unset usage */
64#define AUDIT_LOGINUID_LEGACY 0x1
65
66struct audit_field {
67 u32 type;
68 union {
69 u32 val;
70 kuid_t uid;
71 kgid_t gid;
72 struct {
73 char *lsm_str;
74 void *lsm_rule;
75 };
76 };
77 u32 op;
78};
79
80enum audit_ntp_type {
81 AUDIT_NTP_OFFSET,
82 AUDIT_NTP_FREQ,
83 AUDIT_NTP_STATUS,
84 AUDIT_NTP_TAI,
85 AUDIT_NTP_TICK,
86 AUDIT_NTP_ADJUST,
87
88 AUDIT_NTP_NVALS /* count */
89};
90
91#ifdef CONFIG_AUDITSYSCALL
92struct audit_ntp_val {
93 long long oldval, newval;
94};
95
96struct audit_ntp_data {
97 struct audit_ntp_val vals[AUDIT_NTP_NVALS];
98};
99#else
100struct audit_ntp_data {};
101#endif
102
103enum audit_nfcfgop {
104 AUDIT_XT_OP_REGISTER,
105 AUDIT_XT_OP_REPLACE,
106 AUDIT_XT_OP_UNREGISTER,
107 AUDIT_NFT_OP_TABLE_REGISTER,
108 AUDIT_NFT_OP_TABLE_UNREGISTER,
109 AUDIT_NFT_OP_CHAIN_REGISTER,
110 AUDIT_NFT_OP_CHAIN_UNREGISTER,
111 AUDIT_NFT_OP_RULE_REGISTER,
112 AUDIT_NFT_OP_RULE_UNREGISTER,
113 AUDIT_NFT_OP_SET_REGISTER,
114 AUDIT_NFT_OP_SET_UNREGISTER,
115 AUDIT_NFT_OP_SETELEM_REGISTER,
116 AUDIT_NFT_OP_SETELEM_UNREGISTER,
117 AUDIT_NFT_OP_GEN_REGISTER,
118 AUDIT_NFT_OP_OBJ_REGISTER,
119 AUDIT_NFT_OP_OBJ_UNREGISTER,
120 AUDIT_NFT_OP_OBJ_RESET,
121 AUDIT_NFT_OP_FLOWTABLE_REGISTER,
122 AUDIT_NFT_OP_FLOWTABLE_UNREGISTER,
123 AUDIT_NFT_OP_SETELEM_RESET,
124 AUDIT_NFT_OP_RULE_RESET,
125 AUDIT_NFT_OP_INVALID,
126};
127
128extern int __init audit_register_class(int class, unsigned *list);
129extern int audit_classify_syscall(int abi, unsigned syscall);
130extern int audit_classify_arch(int arch);
131/* only for compat system calls */
132extern unsigned compat_write_class[];
133extern unsigned compat_read_class[];
134extern unsigned compat_dir_class[];
135extern unsigned compat_chattr_class[];
136extern unsigned compat_signal_class[];
137
138/* audit_names->type values */
139#define AUDIT_TYPE_UNKNOWN 0 /* we don't know yet */
140#define AUDIT_TYPE_NORMAL 1 /* a "normal" audit record */
141#define AUDIT_TYPE_PARENT 2 /* a parent audit record */
142#define AUDIT_TYPE_CHILD_DELETE 3 /* a child being deleted */
143#define AUDIT_TYPE_CHILD_CREATE 4 /* a child being created */
144
145/* maximized args number that audit_socketcall can process */
146#define AUDITSC_ARGS 6
147
148/* bit values for ->signal->audit_tty */
149#define AUDIT_TTY_ENABLE BIT(0)
150#define AUDIT_TTY_LOG_PASSWD BIT(1)
151
152/* bit values for audit_cfg_lsm */
153#define AUDIT_CFG_LSM_SECCTX_SUBJECT BIT(0)
154#define AUDIT_CFG_LSM_SECCTX_OBJECT BIT(1)
155
156struct filename;
157
158#define AUDIT_OFF 0
159#define AUDIT_ON 1
160#define AUDIT_LOCKED 2
161#ifdef CONFIG_AUDIT
162/* These are defined in audit.c */
163 /* Public API */
164extern __printf(4, 5)
165void audit_log(struct audit_context *ctx, gfp_t gfp_mask, int type,
166 const char *fmt, ...);
167
168extern struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp_mask, int type);
169extern __printf(2, 3)
170void audit_log_format(struct audit_buffer *ab, const char *fmt, ...);
171extern void audit_log_end(struct audit_buffer *ab);
172extern bool audit_string_contains_control(const char *string,
173 size_t len);
174extern void audit_log_n_hex(struct audit_buffer *ab,
175 const unsigned char *buf,
176 size_t len);
177extern void audit_log_n_string(struct audit_buffer *ab,
178 const char *buf,
179 size_t n);
180extern void audit_log_n_untrustedstring(struct audit_buffer *ab,
181 const char *string,
182 size_t n);
183extern void audit_log_untrustedstring(struct audit_buffer *ab,
184 const char *string);
185extern void audit_log_d_path(struct audit_buffer *ab,
186 const char *prefix,
187 const struct path *path);
188extern void audit_log_key(struct audit_buffer *ab,
189 char *key);
190extern void audit_log_path_denied(int type,
191 const char *operation);
192extern void audit_log_lost(const char *message);
193
194extern int audit_log_subj_ctx(struct audit_buffer *ab, struct lsm_prop *prop);
195extern int audit_log_obj_ctx(struct audit_buffer *ab, struct lsm_prop *prop);
196extern int audit_log_task_context(struct audit_buffer *ab);
197extern void audit_log_task_info(struct audit_buffer *ab);
198
199extern int audit_update_lsm_rules(void);
200
201 /* Private API (for audit.c only) */
202extern int audit_rule_change(int type, int seq, void *data, size_t datasz);
203extern int audit_list_rules_send(struct sk_buff *request_skb, int seq);
204
205extern int audit_set_loginuid(kuid_t loginuid);
206
207static inline kuid_t audit_get_loginuid(struct task_struct *tsk)
208{
209 return tsk->loginuid;
210}
211
212static inline unsigned int audit_get_sessionid(struct task_struct *tsk)
213{
214 return tsk->sessionid;
215}
216
217extern u32 audit_enabled;
218
219extern int audit_signal_info(int sig, struct task_struct *t);
220
221extern void audit_cfg_lsm(const struct lsm_id *lsmid, int flags);
222
223#else /* CONFIG_AUDIT */
224static inline __printf(4, 5)
225void audit_log(struct audit_context *ctx, gfp_t gfp_mask, int type,
226 const char *fmt, ...)
227{ }
228static inline struct audit_buffer *audit_log_start(struct audit_context *ctx,
229 gfp_t gfp_mask, int type)
230{
231 return NULL;
232}
233static inline __printf(2, 3)
234void audit_log_format(struct audit_buffer *ab, const char *fmt, ...)
235{ }
236static inline void audit_log_end(struct audit_buffer *ab)
237{ }
238static inline void audit_log_n_hex(struct audit_buffer *ab,
239 const unsigned char *buf, size_t len)
240{ }
241static inline void audit_log_n_string(struct audit_buffer *ab,
242 const char *buf, size_t n)
243{ }
244static inline void audit_log_n_untrustedstring(struct audit_buffer *ab,
245 const char *string, size_t n)
246{ }
247static inline void audit_log_untrustedstring(struct audit_buffer *ab,
248 const char *string)
249{ }
250static inline void audit_log_d_path(struct audit_buffer *ab,
251 const char *prefix,
252 const struct path *path)
253{ }
254static inline void audit_log_key(struct audit_buffer *ab, char *key)
255{ }
256static inline void audit_log_path_denied(int type, const char *operation)
257{ }
258static inline int audit_log_subj_ctx(struct audit_buffer *ab,
259 struct lsm_prop *prop)
260{
261 return 0;
262}
263static inline int audit_log_obj_ctx(struct audit_buffer *ab,
264 struct lsm_prop *prop)
265{
266 return 0;
267}
268static inline int audit_log_task_context(struct audit_buffer *ab)
269{
270 return 0;
271}
272static inline void audit_log_task_info(struct audit_buffer *ab)
273{ }
274
275static inline kuid_t audit_get_loginuid(struct task_struct *tsk)
276{
277 return INVALID_UID;
278}
279
280static inline unsigned int audit_get_sessionid(struct task_struct *tsk)
281{
282 return AUDIT_SID_UNSET;
283}
284
285#define audit_enabled AUDIT_OFF
286
287static inline int audit_signal_info(int sig, struct task_struct *t)
288{
289 return 0;
290}
291
292static inline void audit_cfg_lsm(const struct lsm_id *lsmid, int flags)
293{ }
294
295#endif /* CONFIG_AUDIT */
296
297#ifdef CONFIG_AUDIT_COMPAT_GENERIC
298#define audit_is_compat(arch) (!((arch) & __AUDIT_ARCH_64BIT))
299#else
300#define audit_is_compat(arch) false
301#endif
302
303#define AUDIT_INODE_PARENT 1 /* dentry represents the parent */
304#define AUDIT_INODE_HIDDEN 2 /* audit record should be hidden */
305#define AUDIT_INODE_NOEVAL 4 /* audit record incomplete */
306
307#ifdef CONFIG_AUDITSYSCALL
308#include <asm/syscall.h> /* for syscall_get_arch() */
309
310/* These are defined in auditsc.c */
311 /* Public API */
312extern int audit_alloc(struct task_struct *task);
313extern void __audit_free(struct task_struct *task);
314extern void __audit_uring_entry(u8 op);
315extern void __audit_uring_exit(int success, long code);
316extern void __audit_syscall_entry(int major, unsigned long a0, unsigned long a1,
317 unsigned long a2, unsigned long a3);
318extern void __audit_syscall_exit(int ret_success, long ret_value);
319extern struct filename *__audit_reusename(const __user char *uptr);
320extern void __audit_getname(struct filename *name);
321extern void __audit_inode(struct filename *name, const struct dentry *dentry,
322 unsigned int flags);
323extern void __audit_file(const struct file *);
324extern void __audit_inode_child(struct inode *parent,
325 const struct dentry *dentry,
326 const unsigned char type);
327extern void audit_seccomp(unsigned long syscall, long signr, int code);
328extern void audit_seccomp_actions_logged(const char *names,
329 const char *old_names, int res);
330extern void __audit_ptrace(struct task_struct *t);
331
332static inline void audit_set_context(struct task_struct *task, struct audit_context *ctx)
333{
334 task->audit_context = ctx;
335}
336
337static inline struct audit_context *audit_context(void)
338{
339 return current->audit_context;
340}
341
342static inline bool audit_dummy_context(void)
343{
344 void *p = audit_context();
345 return !p || *(int *)p;
346}
347static inline void audit_free(struct task_struct *task)
348{
349 if (unlikely(task->audit_context))
350 __audit_free(task);
351}
352static 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}
362static inline void audit_uring_exit(int success, long code)
363{
364 if (unlikely(audit_context()))
365 __audit_uring_exit(success, code);
366}
367static 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}
374static 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}
383static inline struct filename *audit_reusename(const __user char *name)
384{
385 if (unlikely(!audit_dummy_context()))
386 return __audit_reusename(name);
387 return NULL;
388}
389static inline void audit_getname(struct filename *name)
390{
391 if (unlikely(!audit_dummy_context()))
392 __audit_getname(name);
393}
394static inline void audit_inode(struct filename *name,
395 const struct dentry *dentry,
396 unsigned int aflags) {
397 if (unlikely(!audit_dummy_context()))
398 __audit_inode(name, dentry, aflags);
399}
400static inline void audit_file(struct file *file)
401{
402 if (unlikely(!audit_dummy_context()))
403 __audit_file(file);
404}
405static inline void audit_inode_parent_hidden(struct filename *name,
406 const struct dentry *dentry)
407{
408 if (unlikely(!audit_dummy_context()))
409 __audit_inode(name, dentry,
410 AUDIT_INODE_PARENT | AUDIT_INODE_HIDDEN);
411}
412static inline void audit_inode_child(struct inode *parent,
413 const struct dentry *dentry,
414 const unsigned char type) {
415 if (unlikely(!audit_dummy_context()))
416 __audit_inode_child(parent, dentry, type);
417}
418void audit_core_dumps(long signr);
419
420static inline void audit_ptrace(struct task_struct *t)
421{
422 if (unlikely(!audit_dummy_context()))
423 __audit_ptrace(t);
424}
425
426 /* Private API (for audit.c only) */
427extern void __audit_ipc_obj(struct kern_ipc_perm *ipcp);
428extern void __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode);
429extern void __audit_bprm(struct linux_binprm *bprm);
430extern int __audit_socketcall(int nargs, unsigned long *args);
431extern int __audit_sockaddr(int len, void *addr);
432extern void __audit_fd_pair(int fd1, int fd2);
433extern void __audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr);
434extern void __audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec64 *abs_timeout);
435extern void __audit_mq_notify(mqd_t mqdes, const struct sigevent *notification);
436extern void __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat);
437extern int __audit_log_bprm_fcaps(struct linux_binprm *bprm,
438 const struct cred *new,
439 const struct cred *old);
440extern void __audit_log_capset(const struct cred *new, const struct cred *old);
441extern void __audit_mmap_fd(int fd, int flags);
442extern void __audit_openat2_how(struct open_how *how);
443extern void __audit_log_kern_module(const char *name);
444extern void __audit_fanotify(u32 response, struct fanotify_response_info_audit_rule *friar);
445extern void __audit_tk_injoffset(struct timespec64 offset);
446extern void __audit_ntp_log(const struct audit_ntp_data *ad);
447extern void __audit_log_nfcfg(const char *name, u8 af, unsigned int nentries,
448 enum audit_nfcfgop op, gfp_t gfp);
449
450static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp)
451{
452 if (unlikely(!audit_dummy_context()))
453 __audit_ipc_obj(ipcp);
454}
455static inline void audit_fd_pair(int fd1, int fd2)
456{
457 if (unlikely(!audit_dummy_context()))
458 __audit_fd_pair(fd1, fd2);
459}
460static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode)
461{
462 if (unlikely(!audit_dummy_context()))
463 __audit_ipc_set_perm(qbytes, uid, gid, mode);
464}
465static inline void audit_bprm(struct linux_binprm *bprm)
466{
467 if (unlikely(!audit_dummy_context()))
468 __audit_bprm(bprm);
469}
470static inline int audit_socketcall(int nargs, unsigned long *args)
471{
472 if (unlikely(!audit_dummy_context()))
473 return __audit_socketcall(nargs, args);
474 return 0;
475}
476
477static inline int audit_socketcall_compat(int nargs, u32 *args)
478{
479 unsigned long a[AUDITSC_ARGS];
480 int i;
481
482 if (audit_dummy_context())
483 return 0;
484
485 for (i = 0; i < nargs; i++)
486 a[i] = (unsigned long)args[i];
487 return __audit_socketcall(nargs, a);
488}
489
490static inline int audit_sockaddr(int len, void *addr)
491{
492 if (unlikely(!audit_dummy_context()))
493 return __audit_sockaddr(len, addr);
494 return 0;
495}
496static inline void audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr)
497{
498 if (unlikely(!audit_dummy_context()))
499 __audit_mq_open(oflag, mode, attr);
500}
501static inline void audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec64 *abs_timeout)
502{
503 if (unlikely(!audit_dummy_context()))
504 __audit_mq_sendrecv(mqdes, msg_len, msg_prio, abs_timeout);
505}
506static inline void audit_mq_notify(mqd_t mqdes, const struct sigevent *notification)
507{
508 if (unlikely(!audit_dummy_context()))
509 __audit_mq_notify(mqdes, notification);
510}
511static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat)
512{
513 if (unlikely(!audit_dummy_context()))
514 __audit_mq_getsetattr(mqdes, mqstat);
515}
516
517static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm,
518 const struct cred *new,
519 const struct cred *old)
520{
521 if (unlikely(!audit_dummy_context()))
522 return __audit_log_bprm_fcaps(bprm, new, old);
523 return 0;
524}
525
526static inline void audit_log_capset(const struct cred *new,
527 const struct cred *old)
528{
529 if (unlikely(!audit_dummy_context()))
530 __audit_log_capset(new, old);
531}
532
533static inline void audit_mmap_fd(int fd, int flags)
534{
535 if (unlikely(!audit_dummy_context()))
536 __audit_mmap_fd(fd, flags);
537}
538
539static inline void audit_openat2_how(struct open_how *how)
540{
541 if (unlikely(!audit_dummy_context()))
542 __audit_openat2_how(how);
543}
544
545static inline void audit_log_kern_module(const char *name)
546{
547 if (!audit_dummy_context())
548 __audit_log_kern_module(name);
549}
550
551static inline void audit_fanotify(u32 response, struct fanotify_response_info_audit_rule *friar)
552{
553 if (audit_enabled)
554 __audit_fanotify(response, friar);
555}
556
557static inline void audit_tk_injoffset(struct timespec64 offset)
558{
559 /* ignore no-op events */
560 if (offset.tv_sec == 0 && offset.tv_nsec == 0)
561 return;
562
563 if (!audit_dummy_context())
564 __audit_tk_injoffset(offset);
565}
566
567static inline void audit_ntp_init(struct audit_ntp_data *ad)
568{
569 memset(ad, 0, sizeof(*ad));
570}
571
572static inline void audit_ntp_set_old(struct audit_ntp_data *ad,
573 enum audit_ntp_type type, long long val)
574{
575 ad->vals[type].oldval = val;
576}
577
578static inline void audit_ntp_set_new(struct audit_ntp_data *ad,
579 enum audit_ntp_type type, long long val)
580{
581 ad->vals[type].newval = val;
582}
583
584static inline void audit_ntp_log(const struct audit_ntp_data *ad)
585{
586 if (!audit_dummy_context())
587 __audit_ntp_log(ad);
588}
589
590static inline void audit_log_nfcfg(const char *name, u8 af,
591 unsigned int nentries,
592 enum audit_nfcfgop op, gfp_t gfp)
593{
594 if (audit_enabled)
595 __audit_log_nfcfg(name, af, nentries, op, gfp);
596}
597
598extern int audit_n_rules;
599extern int audit_signals;
600#else /* CONFIG_AUDITSYSCALL */
601static inline int audit_alloc(struct task_struct *task)
602{
603 return 0;
604}
605static inline void audit_free(struct task_struct *task)
606{ }
607static inline void audit_uring_entry(u8 op)
608{ }
609static inline void audit_uring_exit(int success, long code)
610{ }
611static inline void audit_syscall_entry(int major, unsigned long a0,
612 unsigned long a1, unsigned long a2,
613 unsigned long a3)
614{ }
615static inline void audit_syscall_exit(void *pt_regs)
616{ }
617static inline bool audit_dummy_context(void)
618{
619 return true;
620}
621static inline void audit_set_context(struct task_struct *task, struct audit_context *ctx)
622{ }
623static inline struct audit_context *audit_context(void)
624{
625 return NULL;
626}
627static inline struct filename *audit_reusename(const __user char *name)
628{
629 return NULL;
630}
631static inline void audit_getname(struct filename *name)
632{ }
633static inline void audit_inode(struct filename *name,
634 const struct dentry *dentry,
635 unsigned int aflags)
636{ }
637static inline void audit_file(struct file *file)
638{
639}
640static inline void audit_inode_parent_hidden(struct filename *name,
641 const struct dentry *dentry)
642{ }
643static inline void audit_inode_child(struct inode *parent,
644 const struct dentry *dentry,
645 const unsigned char type)
646{ }
647static inline void audit_core_dumps(long signr)
648{ }
649static inline void audit_seccomp(unsigned long syscall, long signr, int code)
650{ }
651static inline void audit_seccomp_actions_logged(const char *names,
652 const char *old_names, int res)
653{ }
654static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp)
655{ }
656static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid,
657 gid_t gid, umode_t mode)
658{ }
659static inline void audit_bprm(struct linux_binprm *bprm)
660{ }
661static inline int audit_socketcall(int nargs, unsigned long *args)
662{
663 return 0;
664}
665
666static inline int audit_socketcall_compat(int nargs, u32 *args)
667{
668 return 0;
669}
670
671static inline void audit_fd_pair(int fd1, int fd2)
672{ }
673static inline int audit_sockaddr(int len, void *addr)
674{
675 return 0;
676}
677static inline void audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr)
678{ }
679static inline void audit_mq_sendrecv(mqd_t mqdes, size_t msg_len,
680 unsigned int msg_prio,
681 const struct timespec64 *abs_timeout)
682{ }
683static inline void audit_mq_notify(mqd_t mqdes,
684 const struct sigevent *notification)
685{ }
686static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat)
687{ }
688static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm,
689 const struct cred *new,
690 const struct cred *old)
691{
692 return 0;
693}
694static inline void audit_log_capset(const struct cred *new,
695 const struct cred *old)
696{ }
697static inline void audit_mmap_fd(int fd, int flags)
698{ }
699
700static inline void audit_openat2_how(struct open_how *how)
701{ }
702
703static inline void audit_log_kern_module(const char *name)
704{ }
705
706static inline void audit_fanotify(u32 response, struct fanotify_response_info_audit_rule *friar)
707{ }
708
709static inline void audit_tk_injoffset(struct timespec64 offset)
710{ }
711
712static inline void audit_ntp_init(struct audit_ntp_data *ad)
713{ }
714
715static inline void audit_ntp_set_old(struct audit_ntp_data *ad,
716 enum audit_ntp_type type, long long val)
717{ }
718
719static inline void audit_ntp_set_new(struct audit_ntp_data *ad,
720 enum audit_ntp_type type, long long val)
721{ }
722
723static inline void audit_ntp_log(const struct audit_ntp_data *ad)
724{ }
725
726static inline void audit_ptrace(struct task_struct *t)
727{ }
728
729static inline void audit_log_nfcfg(const char *name, u8 af,
730 unsigned int nentries,
731 enum audit_nfcfgop op, gfp_t gfp)
732{ }
733
734#define audit_n_rules 0
735#define audit_signals 0
736#endif /* CONFIG_AUDITSYSCALL */
737
738static inline bool audit_loginuid_set(struct task_struct *tsk)
739{
740 return uid_valid(audit_get_loginuid(tsk));
741}
742
743#endif