xref: /linux/include/linux/audit.h (revision 06d07429858317ded2db7986113a9e0129cd599b)
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 
audit_get_loginuid(struct task_struct * tsk)199 static inline kuid_t audit_get_loginuid(struct task_struct *tsk)
200 {
201 	return tsk->loginuid;
202 }
203 
audit_get_sessionid(struct task_struct * tsk)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)
audit_log(struct audit_context * ctx,gfp_t gfp_mask,int type,const char * fmt,...)215 void audit_log(struct audit_context *ctx, gfp_t gfp_mask, int type,
216 	       const char *fmt, ...)
217 { }
audit_log_start(struct audit_context * ctx,gfp_t gfp_mask,int type)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)
audit_log_format(struct audit_buffer * ab,const char * fmt,...)224 void audit_log_format(struct audit_buffer *ab, const char *fmt, ...)
225 { }
audit_log_end(struct audit_buffer * ab)226 static inline void audit_log_end(struct audit_buffer *ab)
227 { }
audit_log_n_hex(struct audit_buffer * ab,const unsigned char * buf,size_t len)228 static inline void audit_log_n_hex(struct audit_buffer *ab,
229 				   const unsigned char *buf, size_t len)
230 { }
audit_log_n_string(struct audit_buffer * ab,const char * buf,size_t n)231 static inline void audit_log_n_string(struct audit_buffer *ab,
232 				      const char *buf, size_t n)
233 { }
audit_log_n_untrustedstring(struct audit_buffer * ab,const char * string,size_t n)234 static inline void  audit_log_n_untrustedstring(struct audit_buffer *ab,
235 						const char *string, size_t n)
236 { }
audit_log_untrustedstring(struct audit_buffer * ab,const char * string)237 static inline void audit_log_untrustedstring(struct audit_buffer *ab,
238 					     const char *string)
239 { }
audit_log_d_path(struct audit_buffer * ab,const char * prefix,const struct path * path)240 static inline void audit_log_d_path(struct audit_buffer *ab,
241 				    const char *prefix,
242 				    const struct path *path)
243 { }
audit_log_key(struct audit_buffer * ab,char * key)244 static inline void audit_log_key(struct audit_buffer *ab, char *key)
245 { }
audit_log_path_denied(int type,const char * operation)246 static inline void audit_log_path_denied(int type, const char *operation)
247 { }
audit_log_task_context(struct audit_buffer * ab)248 static inline int audit_log_task_context(struct audit_buffer *ab)
249 {
250 	return 0;
251 }
audit_log_task_info(struct audit_buffer * ab)252 static inline void audit_log_task_info(struct audit_buffer *ab)
253 { }
254 
audit_get_loginuid(struct task_struct * tsk)255 static inline kuid_t audit_get_loginuid(struct task_struct *tsk)
256 {
257 	return INVALID_UID;
258 }
259 
audit_get_sessionid(struct task_struct * tsk)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 
audit_signal_info(int sig,struct task_struct * t)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 
audit_set_context(struct task_struct * task,struct audit_context * ctx)309 static inline void audit_set_context(struct task_struct *task, struct audit_context *ctx)
310 {
311 	task->audit_context = ctx;
312 }
313 
audit_context(void)314 static inline struct audit_context *audit_context(void)
315 {
316 	return current->audit_context;
317 }
318 
audit_dummy_context(void)319 static inline bool audit_dummy_context(void)
320 {
321 	void *p = audit_context();
322 	return !p || *(int *)p;
323 }
audit_free(struct task_struct * task)324 static inline void audit_free(struct task_struct *task)
325 {
326 	if (unlikely(task->audit_context))
327 		__audit_free(task);
328 }
audit_uring_entry(u8 op)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 }
audit_uring_exit(int success,long code)339 static inline void audit_uring_exit(int success, long code)
340 {
341 	if (unlikely(audit_context()))
342 		__audit_uring_exit(success, code);
343 }
audit_syscall_entry(int major,unsigned long a0,unsigned long a1,unsigned long a2,unsigned long a3)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 }
audit_syscall_exit(void * pt_regs)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 }
audit_reusename(const __user char * name)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 }
audit_getname(struct filename * name)366 static inline void audit_getname(struct filename *name)
367 {
368 	if (unlikely(!audit_dummy_context()))
369 		__audit_getname(name);
370 }
audit_inode(struct filename * name,const struct dentry * dentry,unsigned int aflags)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 }
audit_file(struct file * file)377 static inline void audit_file(struct file *file)
378 {
379 	if (unlikely(!audit_dummy_context()))
380 		__audit_file(file);
381 }
audit_inode_parent_hidden(struct filename * name,const struct dentry * dentry)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 }
audit_inode_child(struct inode * parent,const struct dentry * dentry,const unsigned char type)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 
audit_ptrace(struct task_struct * t)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 
audit_ipc_obj(struct kern_ipc_perm * ipcp)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 }
audit_fd_pair(int fd1,int fd2)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 }
audit_ipc_set_perm(unsigned long qbytes,uid_t uid,gid_t gid,umode_t mode)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 }
audit_bprm(struct linux_binprm * bprm)442 static inline void audit_bprm(struct linux_binprm *bprm)
443 {
444 	if (unlikely(!audit_dummy_context()))
445 		__audit_bprm(bprm);
446 }
audit_socketcall(int nargs,unsigned long * args)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 
audit_socketcall_compat(int nargs,u32 * args)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 
audit_sockaddr(int len,void * addr)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 }
audit_mq_open(int oflag,umode_t mode,struct mq_attr * attr)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 }
audit_mq_sendrecv(mqd_t mqdes,size_t msg_len,unsigned int msg_prio,const struct timespec64 * abs_timeout)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 }
audit_mq_notify(mqd_t mqdes,const struct sigevent * notification)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 }
audit_mq_getsetattr(mqd_t mqdes,struct mq_attr * mqstat)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 
audit_log_bprm_fcaps(struct linux_binprm * bprm,const struct cred * new,const struct cred * old)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 
audit_log_capset(const struct cred * new,const struct cred * old)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 
audit_mmap_fd(int fd,int flags)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 
audit_openat2_how(struct open_how * how)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 
audit_log_kern_module(char * name)522 static inline void audit_log_kern_module(char *name)
523 {
524 	if (!audit_dummy_context())
525 		__audit_log_kern_module(name);
526 }
527 
audit_fanotify(u32 response,struct fanotify_response_info_audit_rule * friar)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 
audit_tk_injoffset(struct timespec64 offset)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 
audit_ntp_init(struct audit_ntp_data * ad)544 static inline void audit_ntp_init(struct audit_ntp_data *ad)
545 {
546 	memset(ad, 0, sizeof(*ad));
547 }
548 
audit_ntp_set_old(struct audit_ntp_data * ad,enum audit_ntp_type type,long long val)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 
audit_ntp_set_new(struct audit_ntp_data * ad,enum audit_ntp_type type,long long val)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 
audit_ntp_log(const struct audit_ntp_data * ad)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 
audit_log_nfcfg(const char * name,u8 af,unsigned int nentries,enum audit_nfcfgop op,gfp_t gfp)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 */
audit_alloc(struct task_struct * task)578 static inline int audit_alloc(struct task_struct *task)
579 {
580 	return 0;
581 }
audit_free(struct task_struct * task)582 static inline void audit_free(struct task_struct *task)
583 { }
audit_uring_entry(u8 op)584 static inline void audit_uring_entry(u8 op)
585 { }
audit_uring_exit(int success,long code)586 static inline void audit_uring_exit(int success, long code)
587 { }
audit_syscall_entry(int major,unsigned long a0,unsigned long a1,unsigned long a2,unsigned long a3)588 static inline void audit_syscall_entry(int major, unsigned long a0,
589 				       unsigned long a1, unsigned long a2,
590 				       unsigned long a3)
591 { }
audit_syscall_exit(void * pt_regs)592 static inline void audit_syscall_exit(void *pt_regs)
593 { }
audit_dummy_context(void)594 static inline bool audit_dummy_context(void)
595 {
596 	return true;
597 }
audit_set_context(struct task_struct * task,struct audit_context * ctx)598 static inline void audit_set_context(struct task_struct *task, struct audit_context *ctx)
599 { }
audit_context(void)600 static inline struct audit_context *audit_context(void)
601 {
602 	return NULL;
603 }
audit_reusename(const __user char * name)604 static inline struct filename *audit_reusename(const __user char *name)
605 {
606 	return NULL;
607 }
audit_getname(struct filename * name)608 static inline void audit_getname(struct filename *name)
609 { }
audit_inode(struct filename * name,const struct dentry * dentry,unsigned int aflags)610 static inline void audit_inode(struct filename *name,
611 				const struct dentry *dentry,
612 				unsigned int aflags)
613 { }
audit_file(struct file * file)614 static inline void audit_file(struct file *file)
615 {
616 }
audit_inode_parent_hidden(struct filename * name,const struct dentry * dentry)617 static inline void audit_inode_parent_hidden(struct filename *name,
618 				const struct dentry *dentry)
619 { }
audit_inode_child(struct inode * parent,const struct dentry * dentry,const unsigned char type)620 static inline void audit_inode_child(struct inode *parent,
621 				     const struct dentry *dentry,
622 				     const unsigned char type)
623 { }
audit_core_dumps(long signr)624 static inline void audit_core_dumps(long signr)
625 { }
audit_seccomp(unsigned long syscall,long signr,int code)626 static inline void audit_seccomp(unsigned long syscall, long signr, int code)
627 { }
audit_seccomp_actions_logged(const char * names,const char * old_names,int res)628 static inline void audit_seccomp_actions_logged(const char *names,
629 						const char *old_names, int res)
630 { }
audit_ipc_obj(struct kern_ipc_perm * ipcp)631 static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp)
632 { }
audit_ipc_set_perm(unsigned long qbytes,uid_t uid,gid_t gid,umode_t mode)633 static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid,
634 					gid_t gid, umode_t mode)
635 { }
audit_bprm(struct linux_binprm * bprm)636 static inline void audit_bprm(struct linux_binprm *bprm)
637 { }
audit_socketcall(int nargs,unsigned long * args)638 static inline int audit_socketcall(int nargs, unsigned long *args)
639 {
640 	return 0;
641 }
642 
audit_socketcall_compat(int nargs,u32 * args)643 static inline int audit_socketcall_compat(int nargs, u32 *args)
644 {
645 	return 0;
646 }
647 
audit_fd_pair(int fd1,int fd2)648 static inline void audit_fd_pair(int fd1, int fd2)
649 { }
audit_sockaddr(int len,void * addr)650 static inline int audit_sockaddr(int len, void *addr)
651 {
652 	return 0;
653 }
audit_mq_open(int oflag,umode_t mode,struct mq_attr * attr)654 static inline void audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr)
655 { }
audit_mq_sendrecv(mqd_t mqdes,size_t msg_len,unsigned int msg_prio,const struct timespec64 * abs_timeout)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 { }
audit_mq_notify(mqd_t mqdes,const struct sigevent * notification)660 static inline void audit_mq_notify(mqd_t mqdes,
661 				   const struct sigevent *notification)
662 { }
audit_mq_getsetattr(mqd_t mqdes,struct mq_attr * mqstat)663 static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat)
664 { }
audit_log_bprm_fcaps(struct linux_binprm * bprm,const struct cred * new,const struct cred * old)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 }
audit_log_capset(const struct cred * new,const struct cred * old)671 static inline void audit_log_capset(const struct cred *new,
672 				    const struct cred *old)
673 { }
audit_mmap_fd(int fd,int flags)674 static inline void audit_mmap_fd(int fd, int flags)
675 { }
676 
audit_openat2_how(struct open_how * how)677 static inline void audit_openat2_how(struct open_how *how)
678 { }
679 
audit_log_kern_module(char * name)680 static inline void audit_log_kern_module(char *name)
681 {
682 }
683 
audit_fanotify(u32 response,struct fanotify_response_info_audit_rule * friar)684 static inline void audit_fanotify(u32 response, struct fanotify_response_info_audit_rule *friar)
685 { }
686 
audit_tk_injoffset(struct timespec64 offset)687 static inline void audit_tk_injoffset(struct timespec64 offset)
688 { }
689 
audit_ntp_init(struct audit_ntp_data * ad)690 static inline void audit_ntp_init(struct audit_ntp_data *ad)
691 { }
692 
audit_ntp_set_old(struct audit_ntp_data * ad,enum audit_ntp_type type,long long val)693 static inline void audit_ntp_set_old(struct audit_ntp_data *ad,
694 				     enum audit_ntp_type type, long long val)
695 { }
696 
audit_ntp_set_new(struct audit_ntp_data * ad,enum audit_ntp_type type,long long val)697 static inline void audit_ntp_set_new(struct audit_ntp_data *ad,
698 				     enum audit_ntp_type type, long long val)
699 { }
700 
audit_ntp_log(const struct audit_ntp_data * ad)701 static inline void audit_ntp_log(const struct audit_ntp_data *ad)
702 { }
703 
audit_ptrace(struct task_struct * t)704 static inline void audit_ptrace(struct task_struct *t)
705 { }
706 
audit_log_nfcfg(const char * name,u8 af,unsigned int nentries,enum audit_nfcfgop op,gfp_t gfp)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 
audit_loginuid_set(struct task_struct * tsk)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