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

source code of linux/include/linux/audit.h