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 
40 struct 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 
63 struct 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 
77 enum 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
89 struct audit_ntp_val {
90 	long long oldval, newval;
91 };
92 
93 struct audit_ntp_data {
94 	struct audit_ntp_val vals[AUDIT_NTP_NVALS];
95 };
96 #else
97 struct audit_ntp_data {};
98 #endif
99 
100 enum 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 
125 extern int __init audit_register_class(int class, unsigned *list);
126 extern int audit_classify_syscall(int abi, unsigned syscall);
127 extern int audit_classify_arch(int arch);
128 /* only for compat system calls */
129 extern unsigned compat_write_class[];
130 extern unsigned compat_read_class[];
131 extern unsigned compat_dir_class[];
132 extern unsigned compat_chattr_class[];
133 extern 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 
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_task_context(struct audit_buffer *ab);
188 extern void audit_log_task_info(struct audit_buffer *ab);
189 
190 extern int		    audit_update_lsm_rules(void);
191 
192 				/* Private API (for audit.c only) */
193 extern int audit_rule_change(int type, int seq, void *data, size_t datasz);
194 extern int audit_list_rules_send(struct sk_buff *request_skb, int seq);
195 
196 extern int audit_set_loginuid(kuid_t loginuid);
197 
audit_get_loginuid(struct task_struct * tsk)198 static inline kuid_t audit_get_loginuid(struct task_struct *tsk)
199 {
200 	return tsk->loginuid;
201 }
202 
audit_get_sessionid(struct task_struct * tsk)203 static inline unsigned int audit_get_sessionid(struct task_struct *tsk)
204 {
205 	return tsk->sessionid;
206 }
207 
208 extern u32 audit_enabled;
209 
210 extern int audit_signal_info(int sig, struct task_struct *t);
211 
212 #else /* CONFIG_AUDIT */
213 static inline __printf(4, 5)
audit_log(struct audit_context * ctx,gfp_t gfp_mask,int type,const char * fmt,...)214 void audit_log(struct audit_context *ctx, gfp_t gfp_mask, int type,
215 	       const char *fmt, ...)
216 { }
audit_log_start(struct audit_context * ctx,gfp_t gfp_mask,int type)217 static inline struct audit_buffer *audit_log_start(struct audit_context *ctx,
218 						   gfp_t gfp_mask, int type)
219 {
220 	return NULL;
221 }
222 static inline __printf(2, 3)
audit_log_format(struct audit_buffer * ab,const char * fmt,...)223 void audit_log_format(struct audit_buffer *ab, const char *fmt, ...)
224 { }
audit_log_end(struct audit_buffer * ab)225 static inline void audit_log_end(struct audit_buffer *ab)
226 { }
audit_log_n_hex(struct audit_buffer * ab,const unsigned char * buf,size_t len)227 static inline void audit_log_n_hex(struct audit_buffer *ab,
228 				   const unsigned char *buf, size_t len)
229 { }
audit_log_n_string(struct audit_buffer * ab,const char * buf,size_t n)230 static inline void audit_log_n_string(struct audit_buffer *ab,
231 				      const char *buf, size_t n)
232 { }
audit_log_n_untrustedstring(struct audit_buffer * ab,const char * string,size_t n)233 static inline void  audit_log_n_untrustedstring(struct audit_buffer *ab,
234 						const char *string, size_t n)
235 { }
audit_log_untrustedstring(struct audit_buffer * ab,const char * string)236 static inline void audit_log_untrustedstring(struct audit_buffer *ab,
237 					     const char *string)
238 { }
audit_log_d_path(struct audit_buffer * ab,const char * prefix,const struct path * path)239 static inline void audit_log_d_path(struct audit_buffer *ab,
240 				    const char *prefix,
241 				    const struct path *path)
242 { }
audit_log_key(struct audit_buffer * ab,char * key)243 static inline void audit_log_key(struct audit_buffer *ab, char *key)
244 { }
audit_log_path_denied(int type,const char * operation)245 static inline void audit_log_path_denied(int type, const char *operation)
246 { }
audit_log_task_context(struct audit_buffer * ab)247 static inline int audit_log_task_context(struct audit_buffer *ab)
248 {
249 	return 0;
250 }
audit_log_task_info(struct audit_buffer * ab)251 static inline void audit_log_task_info(struct audit_buffer *ab)
252 { }
253 
audit_get_loginuid(struct task_struct * tsk)254 static inline kuid_t audit_get_loginuid(struct task_struct *tsk)
255 {
256 	return INVALID_UID;
257 }
258 
audit_get_sessionid(struct task_struct * tsk)259 static 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 
audit_signal_info(int sig,struct task_struct * t)266 static 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 */
288 extern int  audit_alloc(struct task_struct *task);
289 extern void __audit_free(struct task_struct *task);
290 extern void __audit_uring_entry(u8 op);
291 extern void __audit_uring_exit(int success, long code);
292 extern void __audit_syscall_entry(int major, unsigned long a0, unsigned long a1,
293 				  unsigned long a2, unsigned long a3);
294 extern void __audit_syscall_exit(int ret_success, long ret_value);
295 extern struct filename *__audit_reusename(const __user char *uptr);
296 extern void __audit_getname(struct filename *name);
297 extern void __audit_inode(struct filename *name, const struct dentry *dentry,
298 				unsigned int flags);
299 extern void __audit_file(const struct file *);
300 extern void __audit_inode_child(struct inode *parent,
301 				const struct dentry *dentry,
302 				const unsigned char type);
303 extern void audit_seccomp(unsigned long syscall, long signr, int code);
304 extern void audit_seccomp_actions_logged(const char *names,
305 					 const char *old_names, int res);
306 extern void __audit_ptrace(struct task_struct *t);
307 
audit_set_context(struct task_struct * task,struct audit_context * ctx)308 static inline void audit_set_context(struct task_struct *task, struct audit_context *ctx)
309 {
310 	task->audit_context = ctx;
311 }
312 
audit_context(void)313 static inline struct audit_context *audit_context(void)
314 {
315 	return current->audit_context;
316 }
317 
audit_dummy_context(void)318 static inline bool audit_dummy_context(void)
319 {
320 	void *p = audit_context();
321 	return !p || *(int *)p;
322 }
audit_free(struct task_struct * task)323 static inline void audit_free(struct task_struct *task)
324 {
325 	if (unlikely(task->audit_context))
326 		__audit_free(task);
327 }
audit_uring_entry(u8 op)328 static 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 }
audit_uring_exit(int success,long code)338 static inline void audit_uring_exit(int success, long code)
339 {
340 	if (unlikely(audit_context()))
341 		__audit_uring_exit(success, code);
342 }
audit_syscall_entry(int major,unsigned long a0,unsigned long a1,unsigned long a2,unsigned long a3)343 static 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 }
audit_syscall_exit(void * pt_regs)350 static 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(pt_regs);
355 
356 		__audit_syscall_exit(success, return_code);
357 	}
358 }
audit_reusename(const __user char * name)359 static inline struct filename *audit_reusename(const __user char *name)
360 {
361 	if (unlikely(!audit_dummy_context()))
362 		return __audit_reusename(name);
363 	return NULL;
364 }
audit_getname(struct filename * name)365 static inline void audit_getname(struct filename *name)
366 {
367 	if (unlikely(!audit_dummy_context()))
368 		__audit_getname(name);
369 }
audit_inode(struct filename * name,const struct dentry * dentry,unsigned int aflags)370 static 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, aflags);
375 }
audit_file(struct file * file)376 static inline void audit_file(struct file *file)
377 {
378 	if (unlikely(!audit_dummy_context()))
379 		__audit_file(file);
380 }
audit_inode_parent_hidden(struct filename * name,const struct dentry * dentry)381 static 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 }
audit_inode_child(struct inode * parent,const struct dentry * dentry,const unsigned char type)388 static 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 }
394 void audit_core_dumps(long signr);
395 
audit_ptrace(struct task_struct * t)396 static 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) */
403 extern void __audit_ipc_obj(struct kern_ipc_perm *ipcp);
404 extern void __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode);
405 extern void __audit_bprm(struct linux_binprm *bprm);
406 extern int __audit_socketcall(int nargs, unsigned long *args);
407 extern int __audit_sockaddr(int len, void *addr);
408 extern void __audit_fd_pair(int fd1, int fd2);
409 extern void __audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr);
410 extern void __audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec64 *abs_timeout);
411 extern void __audit_mq_notify(mqd_t mqdes, const struct sigevent *notification);
412 extern void __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat);
413 extern int __audit_log_bprm_fcaps(struct linux_binprm *bprm,
414 				  const struct cred *new,
415 				  const struct cred *old);
416 extern void __audit_log_capset(const struct cred *new, const struct cred *old);
417 extern void __audit_mmap_fd(int fd, int flags);
418 extern void __audit_openat2_how(struct open_how *how);
419 extern void __audit_log_kern_module(char *name);
420 extern void __audit_fanotify(u32 response, struct fanotify_response_info_audit_rule *friar);
421 extern void __audit_tk_injoffset(struct timespec64 offset);
422 extern void __audit_ntp_log(const struct audit_ntp_data *ad);
423 extern void __audit_log_nfcfg(const char *name, u8 af, unsigned int nentries,
424 			      enum audit_nfcfgop op, gfp_t gfp);
425 
audit_ipc_obj(struct kern_ipc_perm * ipcp)426 static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp)
427 {
428 	if (unlikely(!audit_dummy_context()))
429 		__audit_ipc_obj(ipcp);
430 }
audit_fd_pair(int fd1,int fd2)431 static inline void audit_fd_pair(int fd1, int fd2)
432 {
433 	if (unlikely(!audit_dummy_context()))
434 		__audit_fd_pair(fd1, fd2);
435 }
audit_ipc_set_perm(unsigned long qbytes,uid_t uid,gid_t gid,umode_t mode)436 static 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 }
audit_bprm(struct linux_binprm * bprm)441 static inline void audit_bprm(struct linux_binprm *bprm)
442 {
443 	if (unlikely(!audit_dummy_context()))
444 		__audit_bprm(bprm);
445 }
audit_socketcall(int nargs,unsigned long * args)446 static 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 
audit_socketcall_compat(int nargs,u32 * args)453 static 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, a);
464 }
465 
audit_sockaddr(int len,void * addr)466 static 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 }
audit_mq_open(int oflag,umode_t mode,struct mq_attr * attr)472 static 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 }
audit_mq_sendrecv(mqd_t mqdes,size_t msg_len,unsigned int msg_prio,const struct timespec64 * abs_timeout)477 static 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 }
audit_mq_notify(mqd_t mqdes,const struct sigevent * notification)482 static 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 }
audit_mq_getsetattr(mqd_t mqdes,struct mq_attr * mqstat)487 static 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 
audit_log_bprm_fcaps(struct linux_binprm * bprm,const struct cred * new,const struct cred * old)493 static 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 
audit_log_capset(const struct cred * new,const struct cred * old)502 static 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 
audit_mmap_fd(int fd,int flags)509 static inline void audit_mmap_fd(int fd, int flags)
510 {
511 	if (unlikely(!audit_dummy_context()))
512 		__audit_mmap_fd(fd, flags);
513 }
514 
audit_openat2_how(struct open_how * how)515 static inline void audit_openat2_how(struct open_how *how)
516 {
517 	if (unlikely(!audit_dummy_context()))
518 		__audit_openat2_how(how);
519 }
520 
audit_log_kern_module(char * name)521 static inline void audit_log_kern_module(char *name)
522 {
523 	if (!audit_dummy_context())
524 		__audit_log_kern_module(name);
525 }
526 
audit_fanotify(u32 response,struct fanotify_response_info_audit_rule * friar)527 static 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 
audit_tk_injoffset(struct timespec64 offset)533 static 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 
audit_ntp_init(struct audit_ntp_data * ad)543 static inline void audit_ntp_init(struct audit_ntp_data *ad)
544 {
545 	memset(ad, 0, sizeof(*ad));
546 }
547 
audit_ntp_set_old(struct audit_ntp_data * ad,enum audit_ntp_type type,long long val)548 static 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 
audit_ntp_set_new(struct audit_ntp_data * ad,enum audit_ntp_type type,long long val)554 static 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 
audit_ntp_log(const struct audit_ntp_data * ad)560 static inline void audit_ntp_log(const struct audit_ntp_data *ad)
561 {
562 	if (!audit_dummy_context())
563 		__audit_ntp_log(ad);
564 }
565 
audit_log_nfcfg(const char * name,u8 af,unsigned int nentries,enum audit_nfcfgop op,gfp_t gfp)566 static 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 
574 extern int audit_n_rules;
575 extern int audit_signals;
576 #else /* CONFIG_AUDITSYSCALL */
audit_alloc(struct task_struct * task)577 static inline int audit_alloc(struct task_struct *task)
578 {
579 	return 0;
580 }
audit_free(struct task_struct * task)581 static inline void audit_free(struct task_struct *task)
582 { }
audit_uring_entry(u8 op)583 static inline void audit_uring_entry(u8 op)
584 { }
audit_uring_exit(int success,long code)585 static inline void audit_uring_exit(int success, long code)
586 { }
audit_syscall_entry(int major,unsigned long a0,unsigned long a1,unsigned long a2,unsigned long a3)587 static inline void audit_syscall_entry(int major, unsigned long a0,
588 				       unsigned long a1, unsigned long a2,
589 				       unsigned long a3)
590 { }
audit_syscall_exit(void * pt_regs)591 static inline void audit_syscall_exit(void *pt_regs)
592 { }
audit_dummy_context(void)593 static inline bool audit_dummy_context(void)
594 {
595 	return true;
596 }
audit_set_context(struct task_struct * task,struct audit_context * ctx)597 static inline void audit_set_context(struct task_struct *task, struct audit_context *ctx)
598 { }
audit_context(void)599 static inline struct audit_context *audit_context(void)
600 {
601 	return NULL;
602 }
audit_reusename(const __user char * name)603 static inline struct filename *audit_reusename(const __user char *name)
604 {
605 	return NULL;
606 }
audit_getname(struct filename * name)607 static inline void audit_getname(struct filename *name)
608 { }
audit_inode(struct filename * name,const struct dentry * dentry,unsigned int aflags)609 static inline void audit_inode(struct filename *name,
610 				const struct dentry *dentry,
611 				unsigned int aflags)
612 { }
audit_file(struct file * file)613 static inline void audit_file(struct file *file)
614 {
615 }
audit_inode_parent_hidden(struct filename * name,const struct dentry * dentry)616 static inline void audit_inode_parent_hidden(struct filename *name,
617 				const struct dentry *dentry)
618 { }
audit_inode_child(struct inode * parent,const struct dentry * dentry,const unsigned char type)619 static inline void audit_inode_child(struct inode *parent,
620 				     const struct dentry *dentry,
621 				     const unsigned char type)
622 { }
audit_core_dumps(long signr)623 static inline void audit_core_dumps(long signr)
624 { }
audit_seccomp(unsigned long syscall,long signr,int code)625 static inline void audit_seccomp(unsigned long syscall, long signr, int code)
626 { }
audit_seccomp_actions_logged(const char * names,const char * old_names,int res)627 static inline void audit_seccomp_actions_logged(const char *names,
628 						const char *old_names, int res)
629 { }
audit_ipc_obj(struct kern_ipc_perm * ipcp)630 static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp)
631 { }
audit_ipc_set_perm(unsigned long qbytes,uid_t uid,gid_t gid,umode_t mode)632 static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid,
633 					gid_t gid, umode_t mode)
634 { }
audit_bprm(struct linux_binprm * bprm)635 static inline void audit_bprm(struct linux_binprm *bprm)
636 { }
audit_socketcall(int nargs,unsigned long * args)637 static inline int audit_socketcall(int nargs, unsigned long *args)
638 {
639 	return 0;
640 }
641 
audit_socketcall_compat(int nargs,u32 * args)642 static inline int audit_socketcall_compat(int nargs, u32 *args)
643 {
644 	return 0;
645 }
646 
audit_fd_pair(int fd1,int fd2)647 static inline void audit_fd_pair(int fd1, int fd2)
648 { }
audit_sockaddr(int len,void * addr)649 static inline int audit_sockaddr(int len, void *addr)
650 {
651 	return 0;
652 }
audit_mq_open(int oflag,umode_t mode,struct mq_attr * attr)653 static inline void audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr)
654 { }
audit_mq_sendrecv(mqd_t mqdes,size_t msg_len,unsigned int msg_prio,const struct timespec64 * abs_timeout)655 static inline void audit_mq_sendrecv(mqd_t mqdes, size_t msg_len,
656 				     unsigned int msg_prio,
657 				     const struct timespec64 *abs_timeout)
658 { }
audit_mq_notify(mqd_t mqdes,const struct sigevent * notification)659 static inline void audit_mq_notify(mqd_t mqdes,
660 				   const struct sigevent *notification)
661 { }
audit_mq_getsetattr(mqd_t mqdes,struct mq_attr * mqstat)662 static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat)
663 { }
audit_log_bprm_fcaps(struct linux_binprm * bprm,const struct cred * new,const struct cred * old)664 static 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 }
audit_log_capset(const struct cred * new,const struct cred * old)670 static inline void audit_log_capset(const struct cred *new,
671 				    const struct cred *old)
672 { }
audit_mmap_fd(int fd,int flags)673 static inline void audit_mmap_fd(int fd, int flags)
674 { }
675 
audit_openat2_how(struct open_how * how)676 static inline void audit_openat2_how(struct open_how *how)
677 { }
678 
audit_log_kern_module(char * name)679 static inline void audit_log_kern_module(char *name)
680 {
681 }
682 
audit_fanotify(u32 response,struct fanotify_response_info_audit_rule * friar)683 static inline void audit_fanotify(u32 response, struct fanotify_response_info_audit_rule *friar)
684 { }
685 
audit_tk_injoffset(struct timespec64 offset)686 static inline void audit_tk_injoffset(struct timespec64 offset)
687 { }
688 
audit_ntp_init(struct audit_ntp_data * ad)689 static inline void audit_ntp_init(struct audit_ntp_data *ad)
690 { }
691 
audit_ntp_set_old(struct audit_ntp_data * ad,enum audit_ntp_type type,long long val)692 static inline void audit_ntp_set_old(struct audit_ntp_data *ad,
693 				     enum audit_ntp_type type, long long val)
694 { }
695 
audit_ntp_set_new(struct audit_ntp_data * ad,enum audit_ntp_type type,long long val)696 static inline void audit_ntp_set_new(struct audit_ntp_data *ad,
697 				     enum audit_ntp_type type, long long val)
698 { }
699 
audit_ntp_log(const struct audit_ntp_data * ad)700 static inline void audit_ntp_log(const struct audit_ntp_data *ad)
701 { }
702 
audit_ptrace(struct task_struct * t)703 static inline void audit_ptrace(struct task_struct *t)
704 { }
705 
audit_log_nfcfg(const char * name,u8 af,unsigned int nentries,enum audit_nfcfgop op,gfp_t gfp)706 static 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 
audit_loginuid_set(struct task_struct * tsk)715 static inline bool audit_loginuid_set(struct task_struct *tsk)
716 {
717 	return uid_valid(audit_get_loginuid(tsk));
718 }
719 
720 #endif
721