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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 <uapi/linux/audit.h>
15 #include <uapi/linux/netfilter/nf_tables.h>
16 
17 #define AUDIT_INO_UNSET ((unsigned long)-1)
18 #define AUDIT_DEV_UNSET ((dev_t)-1)
19 
20 struct audit_sig_info {
21 	uid_t		uid;
22 	pid_t		pid;
23 	char		ctx[];
24 };
25 
26 struct audit_buffer;
27 struct audit_context;
28 struct inode;
29 struct netlink_skb_parms;
30 struct path;
31 struct linux_binprm;
32 struct mq_attr;
33 struct mqstat;
34 struct audit_watch;
35 struct audit_tree;
36 struct sk_buff;
37 
38 struct audit_krule {
39 	u32			pflags;
40 	u32			flags;
41 	u32			listnr;
42 	u32			action;
43 	u32			mask[AUDIT_BITMASK_SIZE];
44 	u32			buflen; /* for data alloc on list rules */
45 	u32			field_count;
46 	char			*filterkey; /* ties events to rules */
47 	struct audit_field	*fields;
48 	struct audit_field	*arch_f; /* quick access to arch field */
49 	struct audit_field	*inode_f; /* quick access to an inode field */
50 	struct audit_watch	*watch;	/* associated watch */
51 	struct audit_tree	*tree;	/* associated watched tree */
52 	struct audit_fsnotify_mark	*exe;
53 	struct list_head	rlist;	/* entry in audit_{watch,tree}.rules list */
54 	struct list_head	list;	/* for AUDIT_LIST* purposes only */
55 	u64			prio;
56 };
57 
58 /* Flag to indicate legacy AUDIT_LOGINUID unset usage */
59 #define AUDIT_LOGINUID_LEGACY		0x1
60 
61 struct audit_field {
62 	u32				type;
63 	union {
64 		u32			val;
65 		kuid_t			uid;
66 		kgid_t			gid;
67 		struct {
68 			char		*lsm_str;
69 			void		*lsm_rule;
70 		};
71 	};
72 	u32				op;
73 };
74 
75 enum audit_ntp_type {
76 	AUDIT_NTP_OFFSET,
77 	AUDIT_NTP_FREQ,
78 	AUDIT_NTP_STATUS,
79 	AUDIT_NTP_TAI,
80 	AUDIT_NTP_TICK,
81 	AUDIT_NTP_ADJUST,
82 
83 	AUDIT_NTP_NVALS /* count */
84 };
85 
86 #ifdef CONFIG_AUDITSYSCALL
87 struct audit_ntp_val {
88 	long long oldval, newval;
89 };
90 
91 struct audit_ntp_data {
92 	struct audit_ntp_val vals[AUDIT_NTP_NVALS];
93 };
94 #else
95 struct audit_ntp_data {};
96 #endif
97 
98 enum audit_nfcfgop {
99 	AUDIT_XT_OP_REGISTER,
100 	AUDIT_XT_OP_REPLACE,
101 	AUDIT_XT_OP_UNREGISTER,
102 	AUDIT_NFT_OP_TABLE_REGISTER,
103 	AUDIT_NFT_OP_TABLE_UNREGISTER,
104 	AUDIT_NFT_OP_CHAIN_REGISTER,
105 	AUDIT_NFT_OP_CHAIN_UNREGISTER,
106 	AUDIT_NFT_OP_RULE_REGISTER,
107 	AUDIT_NFT_OP_RULE_UNREGISTER,
108 	AUDIT_NFT_OP_SET_REGISTER,
109 	AUDIT_NFT_OP_SET_UNREGISTER,
110 	AUDIT_NFT_OP_SETELEM_REGISTER,
111 	AUDIT_NFT_OP_SETELEM_UNREGISTER,
112 	AUDIT_NFT_OP_GEN_REGISTER,
113 	AUDIT_NFT_OP_OBJ_REGISTER,
114 	AUDIT_NFT_OP_OBJ_UNREGISTER,
115 	AUDIT_NFT_OP_OBJ_RESET,
116 	AUDIT_NFT_OP_FLOWTABLE_REGISTER,
117 	AUDIT_NFT_OP_FLOWTABLE_UNREGISTER,
118 	AUDIT_NFT_OP_INVALID,
119 };
120 
121 extern int is_audit_feature_set(int which);
122 
123 extern int __init audit_register_class(int class, unsigned *list);
124 extern int audit_classify_syscall(int abi, unsigned syscall);
125 extern int audit_classify_arch(int arch);
126 /* only for compat system calls */
127 extern unsigned compat_write_class[];
128 extern unsigned compat_read_class[];
129 extern unsigned compat_dir_class[];
130 extern unsigned compat_chattr_class[];
131 extern unsigned compat_signal_class[];
132 
133 extern int audit_classify_compat_syscall(int abi, unsigned syscall);
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_syscall_entry(int major, unsigned long a0, unsigned long a1,
291 				  unsigned long a2, unsigned long a3);
292 extern void __audit_syscall_exit(int ret_success, long ret_value);
293 extern struct filename *__audit_reusename(const __user char *uptr);
294 extern void __audit_getname(struct filename *name);
295 extern void __audit_getcwd(void);
296 extern void __audit_inode(struct filename *name, const struct dentry *dentry,
297 				unsigned int flags);
298 extern void __audit_file(const struct file *);
299 extern void __audit_inode_child(struct inode *parent,
300 				const struct dentry *dentry,
301 				const unsigned char type);
302 extern void audit_seccomp(unsigned long syscall, long signr, int code);
303 extern void audit_seccomp_actions_logged(const char *names,
304 					 const char *old_names, int res);
305 extern void __audit_ptrace(struct task_struct *t);
306 
audit_set_context(struct task_struct * task,struct audit_context * ctx)307 static inline void audit_set_context(struct task_struct *task, struct audit_context *ctx)
308 {
309 	task->audit_context = ctx;
310 }
311 
audit_context(void)312 static inline struct audit_context *audit_context(void)
313 {
314 	return current->audit_context;
315 }
316 
audit_dummy_context(void)317 static inline bool audit_dummy_context(void)
318 {
319 	void *p = audit_context();
320 	return !p || *(int *)p;
321 }
audit_free(struct task_struct * task)322 static inline void audit_free(struct task_struct *task)
323 {
324 	if (unlikely(task->audit_context))
325 		__audit_free(task);
326 }
audit_syscall_entry(int major,unsigned long a0,unsigned long a1,unsigned long a2,unsigned long a3)327 static inline void audit_syscall_entry(int major, unsigned long a0,
328 				       unsigned long a1, unsigned long a2,
329 				       unsigned long a3)
330 {
331 	if (unlikely(audit_context()))
332 		__audit_syscall_entry(major, a0, a1, a2, a3);
333 }
audit_syscall_exit(void * pt_regs)334 static inline void audit_syscall_exit(void *pt_regs)
335 {
336 	if (unlikely(audit_context())) {
337 		int success = is_syscall_success(pt_regs);
338 		long return_code = regs_return_value(pt_regs);
339 
340 		__audit_syscall_exit(success, return_code);
341 	}
342 }
audit_reusename(const __user char * name)343 static inline struct filename *audit_reusename(const __user char *name)
344 {
345 	if (unlikely(!audit_dummy_context()))
346 		return __audit_reusename(name);
347 	return NULL;
348 }
audit_getname(struct filename * name)349 static inline void audit_getname(struct filename *name)
350 {
351 	if (unlikely(!audit_dummy_context()))
352 		__audit_getname(name);
353 }
audit_getcwd(void)354 static inline void audit_getcwd(void)
355 {
356 	if (unlikely(audit_context()))
357 		__audit_getcwd();
358 }
audit_inode(struct filename * name,const struct dentry * dentry,unsigned int aflags)359 static inline void audit_inode(struct filename *name,
360 				const struct dentry *dentry,
361 				unsigned int aflags) {
362 	if (unlikely(!audit_dummy_context()))
363 		__audit_inode(name, dentry, aflags);
364 }
audit_file(struct file * file)365 static inline void audit_file(struct file *file)
366 {
367 	if (unlikely(!audit_dummy_context()))
368 		__audit_file(file);
369 }
audit_inode_parent_hidden(struct filename * name,const struct dentry * dentry)370 static inline void audit_inode_parent_hidden(struct filename *name,
371 						const struct dentry *dentry)
372 {
373 	if (unlikely(!audit_dummy_context()))
374 		__audit_inode(name, dentry,
375 				AUDIT_INODE_PARENT | AUDIT_INODE_HIDDEN);
376 }
audit_inode_child(struct inode * parent,const struct dentry * dentry,const unsigned char type)377 static inline void audit_inode_child(struct inode *parent,
378 				     const struct dentry *dentry,
379 				     const unsigned char type) {
380 	if (unlikely(!audit_dummy_context()))
381 		__audit_inode_child(parent, dentry, type);
382 }
383 void audit_core_dumps(long signr);
384 
audit_ptrace(struct task_struct * t)385 static inline void audit_ptrace(struct task_struct *t)
386 {
387 	if (unlikely(!audit_dummy_context()))
388 		__audit_ptrace(t);
389 }
390 
391 				/* Private API (for audit.c only) */
392 extern void __audit_ipc_obj(struct kern_ipc_perm *ipcp);
393 extern void __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode);
394 extern void __audit_bprm(struct linux_binprm *bprm);
395 extern int __audit_socketcall(int nargs, unsigned long *args);
396 extern int __audit_sockaddr(int len, void *addr);
397 extern void __audit_fd_pair(int fd1, int fd2);
398 extern void __audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr);
399 extern void __audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec64 *abs_timeout);
400 extern void __audit_mq_notify(mqd_t mqdes, const struct sigevent *notification);
401 extern void __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat);
402 extern int __audit_log_bprm_fcaps(struct linux_binprm *bprm,
403 				  const struct cred *new,
404 				  const struct cred *old);
405 extern void __audit_log_capset(const struct cred *new, const struct cred *old);
406 extern void __audit_mmap_fd(int fd, int flags);
407 extern void __audit_log_kern_module(char *name);
408 extern void __audit_fanotify(unsigned int response);
409 extern void __audit_tk_injoffset(struct timespec64 offset);
410 extern void __audit_ntp_log(const struct audit_ntp_data *ad);
411 extern void __audit_log_nfcfg(const char *name, u8 af, unsigned int nentries,
412 			      enum audit_nfcfgop op, gfp_t gfp);
413 
audit_ipc_obj(struct kern_ipc_perm * ipcp)414 static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp)
415 {
416 	if (unlikely(!audit_dummy_context()))
417 		__audit_ipc_obj(ipcp);
418 }
audit_fd_pair(int fd1,int fd2)419 static inline void audit_fd_pair(int fd1, int fd2)
420 {
421 	if (unlikely(!audit_dummy_context()))
422 		__audit_fd_pair(fd1, fd2);
423 }
audit_ipc_set_perm(unsigned long qbytes,uid_t uid,gid_t gid,umode_t mode)424 static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode)
425 {
426 	if (unlikely(!audit_dummy_context()))
427 		__audit_ipc_set_perm(qbytes, uid, gid, mode);
428 }
audit_bprm(struct linux_binprm * bprm)429 static inline void audit_bprm(struct linux_binprm *bprm)
430 {
431 	if (unlikely(!audit_dummy_context()))
432 		__audit_bprm(bprm);
433 }
audit_socketcall(int nargs,unsigned long * args)434 static inline int audit_socketcall(int nargs, unsigned long *args)
435 {
436 	if (unlikely(!audit_dummy_context()))
437 		return __audit_socketcall(nargs, args);
438 	return 0;
439 }
440 
audit_socketcall_compat(int nargs,u32 * args)441 static inline int audit_socketcall_compat(int nargs, u32 *args)
442 {
443 	unsigned long a[AUDITSC_ARGS];
444 	int i;
445 
446 	if (audit_dummy_context())
447 		return 0;
448 
449 	for (i = 0; i < nargs; i++)
450 		a[i] = (unsigned long)args[i];
451 	return __audit_socketcall(nargs, a);
452 }
453 
audit_sockaddr(int len,void * addr)454 static inline int audit_sockaddr(int len, void *addr)
455 {
456 	if (unlikely(!audit_dummy_context()))
457 		return __audit_sockaddr(len, addr);
458 	return 0;
459 }
audit_mq_open(int oflag,umode_t mode,struct mq_attr * attr)460 static inline void audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr)
461 {
462 	if (unlikely(!audit_dummy_context()))
463 		__audit_mq_open(oflag, mode, attr);
464 }
audit_mq_sendrecv(mqd_t mqdes,size_t msg_len,unsigned int msg_prio,const struct timespec64 * abs_timeout)465 static inline void audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec64 *abs_timeout)
466 {
467 	if (unlikely(!audit_dummy_context()))
468 		__audit_mq_sendrecv(mqdes, msg_len, msg_prio, abs_timeout);
469 }
audit_mq_notify(mqd_t mqdes,const struct sigevent * notification)470 static inline void audit_mq_notify(mqd_t mqdes, const struct sigevent *notification)
471 {
472 	if (unlikely(!audit_dummy_context()))
473 		__audit_mq_notify(mqdes, notification);
474 }
audit_mq_getsetattr(mqd_t mqdes,struct mq_attr * mqstat)475 static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat)
476 {
477 	if (unlikely(!audit_dummy_context()))
478 		__audit_mq_getsetattr(mqdes, mqstat);
479 }
480 
audit_log_bprm_fcaps(struct linux_binprm * bprm,const struct cred * new,const struct cred * old)481 static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm,
482 				       const struct cred *new,
483 				       const struct cred *old)
484 {
485 	if (unlikely(!audit_dummy_context()))
486 		return __audit_log_bprm_fcaps(bprm, new, old);
487 	return 0;
488 }
489 
audit_log_capset(const struct cred * new,const struct cred * old)490 static inline void audit_log_capset(const struct cred *new,
491 				   const struct cred *old)
492 {
493 	if (unlikely(!audit_dummy_context()))
494 		__audit_log_capset(new, old);
495 }
496 
audit_mmap_fd(int fd,int flags)497 static inline void audit_mmap_fd(int fd, int flags)
498 {
499 	if (unlikely(!audit_dummy_context()))
500 		__audit_mmap_fd(fd, flags);
501 }
502 
audit_log_kern_module(char * name)503 static inline void audit_log_kern_module(char *name)
504 {
505 	if (!audit_dummy_context())
506 		__audit_log_kern_module(name);
507 }
508 
audit_fanotify(unsigned int response)509 static inline void audit_fanotify(unsigned int response)
510 {
511 	if (!audit_dummy_context())
512 		__audit_fanotify(response);
513 }
514 
audit_tk_injoffset(struct timespec64 offset)515 static inline void audit_tk_injoffset(struct timespec64 offset)
516 {
517 	/* ignore no-op events */
518 	if (offset.tv_sec == 0 && offset.tv_nsec == 0)
519 		return;
520 
521 	if (!audit_dummy_context())
522 		__audit_tk_injoffset(offset);
523 }
524 
audit_ntp_init(struct audit_ntp_data * ad)525 static inline void audit_ntp_init(struct audit_ntp_data *ad)
526 {
527 	memset(ad, 0, sizeof(*ad));
528 }
529 
audit_ntp_set_old(struct audit_ntp_data * ad,enum audit_ntp_type type,long long val)530 static inline void audit_ntp_set_old(struct audit_ntp_data *ad,
531 				     enum audit_ntp_type type, long long val)
532 {
533 	ad->vals[type].oldval = val;
534 }
535 
audit_ntp_set_new(struct audit_ntp_data * ad,enum audit_ntp_type type,long long val)536 static inline void audit_ntp_set_new(struct audit_ntp_data *ad,
537 				     enum audit_ntp_type type, long long val)
538 {
539 	ad->vals[type].newval = val;
540 }
541 
audit_ntp_log(const struct audit_ntp_data * ad)542 static inline void audit_ntp_log(const struct audit_ntp_data *ad)
543 {
544 	if (!audit_dummy_context())
545 		__audit_ntp_log(ad);
546 }
547 
audit_log_nfcfg(const char * name,u8 af,unsigned int nentries,enum audit_nfcfgop op,gfp_t gfp)548 static inline void audit_log_nfcfg(const char *name, u8 af,
549 				   unsigned int nentries,
550 				   enum audit_nfcfgop op, gfp_t gfp)
551 {
552 	if (audit_enabled)
553 		__audit_log_nfcfg(name, af, nentries, op, gfp);
554 }
555 
556 extern int audit_n_rules;
557 extern int audit_signals;
558 #else /* CONFIG_AUDITSYSCALL */
audit_alloc(struct task_struct * task)559 static inline int audit_alloc(struct task_struct *task)
560 {
561 	return 0;
562 }
audit_free(struct task_struct * task)563 static inline void audit_free(struct task_struct *task)
564 { }
audit_syscall_entry(int major,unsigned long a0,unsigned long a1,unsigned long a2,unsigned long a3)565 static inline void audit_syscall_entry(int major, unsigned long a0,
566 				       unsigned long a1, unsigned long a2,
567 				       unsigned long a3)
568 { }
audit_syscall_exit(void * pt_regs)569 static inline void audit_syscall_exit(void *pt_regs)
570 { }
audit_dummy_context(void)571 static inline bool audit_dummy_context(void)
572 {
573 	return true;
574 }
audit_set_context(struct task_struct * task,struct audit_context * ctx)575 static inline void audit_set_context(struct task_struct *task, struct audit_context *ctx)
576 { }
audit_context(void)577 static inline struct audit_context *audit_context(void)
578 {
579 	return NULL;
580 }
audit_reusename(const __user char * name)581 static inline struct filename *audit_reusename(const __user char *name)
582 {
583 	return NULL;
584 }
audit_getname(struct filename * name)585 static inline void audit_getname(struct filename *name)
586 { }
audit_getcwd(void)587 static inline void audit_getcwd(void)
588 { }
audit_inode(struct filename * name,const struct dentry * dentry,unsigned int aflags)589 static inline void audit_inode(struct filename *name,
590 				const struct dentry *dentry,
591 				unsigned int aflags)
592 { }
audit_file(struct file * file)593 static inline void audit_file(struct file *file)
594 {
595 }
audit_inode_parent_hidden(struct filename * name,const struct dentry * dentry)596 static inline void audit_inode_parent_hidden(struct filename *name,
597 				const struct dentry *dentry)
598 { }
audit_inode_child(struct inode * parent,const struct dentry * dentry,const unsigned char type)599 static inline void audit_inode_child(struct inode *parent,
600 				     const struct dentry *dentry,
601 				     const unsigned char type)
602 { }
audit_core_dumps(long signr)603 static inline void audit_core_dumps(long signr)
604 { }
audit_seccomp(unsigned long syscall,long signr,int code)605 static inline void audit_seccomp(unsigned long syscall, long signr, int code)
606 { }
audit_seccomp_actions_logged(const char * names,const char * old_names,int res)607 static inline void audit_seccomp_actions_logged(const char *names,
608 						const char *old_names, int res)
609 { }
audit_ipc_obj(struct kern_ipc_perm * ipcp)610 static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp)
611 { }
audit_ipc_set_perm(unsigned long qbytes,uid_t uid,gid_t gid,umode_t mode)612 static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid,
613 					gid_t gid, umode_t mode)
614 { }
audit_bprm(struct linux_binprm * bprm)615 static inline void audit_bprm(struct linux_binprm *bprm)
616 { }
audit_socketcall(int nargs,unsigned long * args)617 static inline int audit_socketcall(int nargs, unsigned long *args)
618 {
619 	return 0;
620 }
621 
audit_socketcall_compat(int nargs,u32 * args)622 static inline int audit_socketcall_compat(int nargs, u32 *args)
623 {
624 	return 0;
625 }
626 
audit_fd_pair(int fd1,int fd2)627 static inline void audit_fd_pair(int fd1, int fd2)
628 { }
audit_sockaddr(int len,void * addr)629 static inline int audit_sockaddr(int len, void *addr)
630 {
631 	return 0;
632 }
audit_mq_open(int oflag,umode_t mode,struct mq_attr * attr)633 static inline void audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr)
634 { }
audit_mq_sendrecv(mqd_t mqdes,size_t msg_len,unsigned int msg_prio,const struct timespec64 * abs_timeout)635 static inline void audit_mq_sendrecv(mqd_t mqdes, size_t msg_len,
636 				     unsigned int msg_prio,
637 				     const struct timespec64 *abs_timeout)
638 { }
audit_mq_notify(mqd_t mqdes,const struct sigevent * notification)639 static inline void audit_mq_notify(mqd_t mqdes,
640 				   const struct sigevent *notification)
641 { }
audit_mq_getsetattr(mqd_t mqdes,struct mq_attr * mqstat)642 static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat)
643 { }
audit_log_bprm_fcaps(struct linux_binprm * bprm,const struct cred * new,const struct cred * old)644 static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm,
645 				       const struct cred *new,
646 				       const struct cred *old)
647 {
648 	return 0;
649 }
audit_log_capset(const struct cred * new,const struct cred * old)650 static inline void audit_log_capset(const struct cred *new,
651 				    const struct cred *old)
652 { }
audit_mmap_fd(int fd,int flags)653 static inline void audit_mmap_fd(int fd, int flags)
654 { }
655 
audit_log_kern_module(char * name)656 static inline void audit_log_kern_module(char *name)
657 {
658 }
659 
audit_fanotify(unsigned int response)660 static inline void audit_fanotify(unsigned int response)
661 { }
662 
audit_tk_injoffset(struct timespec64 offset)663 static inline void audit_tk_injoffset(struct timespec64 offset)
664 { }
665 
audit_ntp_init(struct audit_ntp_data * ad)666 static inline void audit_ntp_init(struct audit_ntp_data *ad)
667 { }
668 
audit_ntp_set_old(struct audit_ntp_data * ad,enum audit_ntp_type type,long long val)669 static inline void audit_ntp_set_old(struct audit_ntp_data *ad,
670 				     enum audit_ntp_type type, long long val)
671 { }
672 
audit_ntp_set_new(struct audit_ntp_data * ad,enum audit_ntp_type type,long long val)673 static inline void audit_ntp_set_new(struct audit_ntp_data *ad,
674 				     enum audit_ntp_type type, long long val)
675 { }
676 
audit_ntp_log(const struct audit_ntp_data * ad)677 static inline void audit_ntp_log(const struct audit_ntp_data *ad)
678 { }
679 
audit_ptrace(struct task_struct * t)680 static inline void audit_ptrace(struct task_struct *t)
681 { }
682 
audit_log_nfcfg(const char * name,u8 af,unsigned int nentries,enum audit_nfcfgop op,gfp_t gfp)683 static inline void audit_log_nfcfg(const char *name, u8 af,
684 				   unsigned int nentries,
685 				   enum audit_nfcfgop op, gfp_t gfp)
686 { }
687 
688 #define audit_n_rules 0
689 #define audit_signals 0
690 #endif /* CONFIG_AUDITSYSCALL */
691 
audit_loginuid_set(struct task_struct * tsk)692 static inline bool audit_loginuid_set(struct task_struct *tsk)
693 {
694 	return uid_valid(audit_get_loginuid(tsk));
695 }
696 
697 #endif
698