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