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 18 #define AUDIT_INO_UNSET ((unsigned long)-1) 19 #define AUDIT_DEV_UNSET ((dev_t)-1) 20 21 struct audit_sig_info { 22 uid_t uid; 23 pid_t pid; 24 char ctx[]; 25 }; 26 27 struct audit_buffer; 28 struct audit_context; 29 struct inode; 30 struct netlink_skb_parms; 31 struct path; 32 struct linux_binprm; 33 struct mq_attr; 34 struct mqstat; 35 struct audit_watch; 36 struct audit_tree; 37 struct sk_buff; 38 39 struct audit_krule { 40 u32 pflags; 41 u32 flags; 42 u32 listnr; 43 u32 action; 44 u32 mask[AUDIT_BITMASK_SIZE]; 45 u32 buflen; /* for data alloc on list rules */ 46 u32 field_count; 47 char *filterkey; /* ties events to rules */ 48 struct audit_field *fields; 49 struct audit_field *arch_f; /* quick access to arch field */ 50 struct audit_field *inode_f; /* quick access to an inode field */ 51 struct audit_watch *watch; /* associated watch */ 52 struct audit_tree *tree; /* associated watched tree */ 53 struct audit_fsnotify_mark *exe; 54 struct list_head rlist; /* entry in audit_{watch,tree}.rules list */ 55 struct list_head list; /* for AUDIT_LIST* purposes only */ 56 u64 prio; 57 }; 58 59 /* Flag to indicate legacy AUDIT_LOGINUID unset usage */ 60 #define AUDIT_LOGINUID_LEGACY 0x1 61 62 struct audit_field { 63 u32 type; 64 union { 65 u32 val; 66 kuid_t uid; 67 kgid_t gid; 68 struct { 69 char *lsm_str; 70 void *lsm_rule; 71 }; 72 }; 73 u32 op; 74 }; 75 76 enum audit_ntp_type { 77 AUDIT_NTP_OFFSET, 78 AUDIT_NTP_FREQ, 79 AUDIT_NTP_STATUS, 80 AUDIT_NTP_TAI, 81 AUDIT_NTP_TICK, 82 AUDIT_NTP_ADJUST, 83 84 AUDIT_NTP_NVALS /* count */ 85 }; 86 87 #ifdef CONFIG_AUDITSYSCALL 88 struct audit_ntp_val { 89 long long oldval, newval; 90 }; 91 92 struct audit_ntp_data { 93 struct audit_ntp_val vals[AUDIT_NTP_NVALS]; 94 }; 95 #else 96 struct audit_ntp_data {}; 97 #endif 98 99 enum audit_nfcfgop { 100 AUDIT_XT_OP_REGISTER, 101 AUDIT_XT_OP_REPLACE, 102 AUDIT_XT_OP_UNREGISTER, 103 AUDIT_NFT_OP_TABLE_REGISTER, 104 AUDIT_NFT_OP_TABLE_UNREGISTER, 105 AUDIT_NFT_OP_CHAIN_REGISTER, 106 AUDIT_NFT_OP_CHAIN_UNREGISTER, 107 AUDIT_NFT_OP_RULE_REGISTER, 108 AUDIT_NFT_OP_RULE_UNREGISTER, 109 AUDIT_NFT_OP_SET_REGISTER, 110 AUDIT_NFT_OP_SET_UNREGISTER, 111 AUDIT_NFT_OP_SETELEM_REGISTER, 112 AUDIT_NFT_OP_SETELEM_UNREGISTER, 113 AUDIT_NFT_OP_GEN_REGISTER, 114 AUDIT_NFT_OP_OBJ_REGISTER, 115 AUDIT_NFT_OP_OBJ_UNREGISTER, 116 AUDIT_NFT_OP_OBJ_RESET, 117 AUDIT_NFT_OP_FLOWTABLE_REGISTER, 118 AUDIT_NFT_OP_FLOWTABLE_UNREGISTER, 119 AUDIT_NFT_OP_INVALID, 120 }; 121 122 extern int __init audit_register_class(int class, unsigned *list); 123 extern int audit_classify_syscall(int abi, unsigned syscall); 124 extern int audit_classify_arch(int arch); 125 /* only for compat system calls */ 126 extern unsigned compat_write_class[]; 127 extern unsigned compat_read_class[]; 128 extern unsigned compat_dir_class[]; 129 extern unsigned compat_chattr_class[]; 130 extern unsigned compat_signal_class[]; 131 132 extern int audit_classify_compat_syscall(int abi, unsigned syscall); 133 134 /* audit_names->type values */ 135 #define AUDIT_TYPE_UNKNOWN 0 /* we don't know yet */ 136 #define AUDIT_TYPE_NORMAL 1 /* a "normal" audit record */ 137 #define AUDIT_TYPE_PARENT 2 /* a parent audit record */ 138 #define AUDIT_TYPE_CHILD_DELETE 3 /* a child being deleted */ 139 #define AUDIT_TYPE_CHILD_CREATE 4 /* a child being created */ 140 141 /* maximized args number that audit_socketcall can process */ 142 #define AUDITSC_ARGS 6 143 144 /* bit values for ->signal->audit_tty */ 145 #define AUDIT_TTY_ENABLE BIT(0) 146 #define AUDIT_TTY_LOG_PASSWD BIT(1) 147 148 struct filename; 149 150 #define AUDIT_OFF 0 151 #define AUDIT_ON 1 152 #define AUDIT_LOCKED 2 153 #ifdef CONFIG_AUDIT 154 /* These are defined in audit.c */ 155 /* Public API */ 156 extern __printf(4, 5) 157 void audit_log(struct audit_context *ctx, gfp_t gfp_mask, int type, 158 const char *fmt, ...); 159 160 extern struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp_mask, int type); 161 extern __printf(2, 3) 162 void audit_log_format(struct audit_buffer *ab, const char *fmt, ...); 163 extern void audit_log_end(struct audit_buffer *ab); 164 extern bool audit_string_contains_control(const char *string, 165 size_t len); 166 extern void audit_log_n_hex(struct audit_buffer *ab, 167 const unsigned char *buf, 168 size_t len); 169 extern void audit_log_n_string(struct audit_buffer *ab, 170 const char *buf, 171 size_t n); 172 extern void audit_log_n_untrustedstring(struct audit_buffer *ab, 173 const char *string, 174 size_t n); 175 extern void audit_log_untrustedstring(struct audit_buffer *ab, 176 const char *string); 177 extern void audit_log_d_path(struct audit_buffer *ab, 178 const char *prefix, 179 const struct path *path); 180 extern void audit_log_key(struct audit_buffer *ab, 181 char *key); 182 extern void audit_log_path_denied(int type, 183 const char *operation); 184 extern void audit_log_lost(const char *message); 185 186 extern int audit_log_task_context(struct audit_buffer *ab); 187 extern void audit_log_task_info(struct audit_buffer *ab); 188 189 extern int audit_update_lsm_rules(void); 190 191 /* Private API (for audit.c only) */ 192 extern int audit_rule_change(int type, int seq, void *data, size_t datasz); 193 extern int audit_list_rules_send(struct sk_buff *request_skb, int seq); 194 195 extern int audit_set_loginuid(kuid_t loginuid); 196 197 static inline kuid_t audit_get_loginuid(struct task_struct *tsk) 198 { 199 return tsk->loginuid; 200 } 201 202 static inline unsigned int audit_get_sessionid(struct task_struct *tsk) 203 { 204 return tsk->sessionid; 205 } 206 207 extern u32 audit_enabled; 208 209 extern int audit_signal_info(int sig, struct task_struct *t); 210 211 #else /* CONFIG_AUDIT */ 212 static inline __printf(4, 5) 213 void audit_log(struct audit_context *ctx, gfp_t gfp_mask, int type, 214 const char *fmt, ...) 215 { } 216 static inline struct audit_buffer *audit_log_start(struct audit_context *ctx, 217 gfp_t gfp_mask, int type) 218 { 219 return NULL; 220 } 221 static inline __printf(2, 3) 222 void audit_log_format(struct audit_buffer *ab, const char *fmt, ...) 223 { } 224 static inline void audit_log_end(struct audit_buffer *ab) 225 { } 226 static inline void audit_log_n_hex(struct audit_buffer *ab, 227 const unsigned char *buf, size_t len) 228 { } 229 static inline void audit_log_n_string(struct audit_buffer *ab, 230 const char *buf, size_t n) 231 { } 232 static inline void audit_log_n_untrustedstring(struct audit_buffer *ab, 233 const char *string, size_t n) 234 { } 235 static inline void audit_log_untrustedstring(struct audit_buffer *ab, 236 const char *string) 237 { } 238 static inline void audit_log_d_path(struct audit_buffer *ab, 239 const char *prefix, 240 const struct path *path) 241 { } 242 static inline void audit_log_key(struct audit_buffer *ab, char *key) 243 { } 244 static inline void audit_log_path_denied(int type, const char *operation) 245 { } 246 static inline int audit_log_task_context(struct audit_buffer *ab) 247 { 248 return 0; 249 } 250 static inline void audit_log_task_info(struct audit_buffer *ab) 251 { } 252 253 static inline kuid_t audit_get_loginuid(struct task_struct *tsk) 254 { 255 return INVALID_UID; 256 } 257 258 static inline unsigned int audit_get_sessionid(struct task_struct *tsk) 259 { 260 return AUDIT_SID_UNSET; 261 } 262 263 #define audit_enabled AUDIT_OFF 264 265 static inline int audit_signal_info(int sig, struct task_struct *t) 266 { 267 return 0; 268 } 269 270 #endif /* CONFIG_AUDIT */ 271 272 #ifdef CONFIG_AUDIT_COMPAT_GENERIC 273 #define audit_is_compat(arch) (!((arch) & __AUDIT_ARCH_64BIT)) 274 #else 275 #define audit_is_compat(arch) false 276 #endif 277 278 #define AUDIT_INODE_PARENT 1 /* dentry represents the parent */ 279 #define AUDIT_INODE_HIDDEN 2 /* audit record should be hidden */ 280 #define AUDIT_INODE_NOEVAL 4 /* audit record incomplete */ 281 282 #ifdef CONFIG_AUDITSYSCALL 283 #include <asm/syscall.h> /* for syscall_get_arch() */ 284 285 /* These are defined in auditsc.c */ 286 /* Public API */ 287 extern int audit_alloc(struct task_struct *task); 288 extern void __audit_free(struct task_struct *task); 289 extern void __audit_uring_entry(u8 op); 290 extern void __audit_uring_exit(int success, long code); 291 extern void __audit_syscall_entry(int major, unsigned long a0, unsigned long a1, 292 unsigned long a2, unsigned long a3); 293 extern void __audit_syscall_exit(int ret_success, long ret_value); 294 extern struct filename *__audit_reusename(const __user char *uptr); 295 extern void __audit_getname(struct filename *name); 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); 306 307 static inline void audit_set_context(struct task_struct *task, struct audit_context *ctx) 308 { 309 task->audit_context = ctx; 310 } 311 312 static inline struct audit_context *audit_context(void) 313 { 314 return current->audit_context; 315 } 316 317 static inline bool audit_dummy_context(void) 318 { 319 void *p = audit_context(); 320 return !p || *(int *)p; 321 } 322 static inline void audit_free(struct task_struct *task) 323 { 324 if (unlikely(task->audit_context)) 325 __audit_free(task); 326 } 327 static inline void audit_uring_entry(u8 op) 328 { 329 /* 330 * We intentionally check audit_context() before audit_enabled as most 331 * Linux systems (as of ~2021) rely on systemd which forces audit to 332 * be enabled regardless of the user's audit configuration. 333 */ 334 if (unlikely(audit_context() && audit_enabled)) 335 __audit_uring_entry(op); 336 } 337 static inline void audit_uring_exit(int success, long code) 338 { 339 if (unlikely(audit_context())) 340 __audit_uring_exit(success, code); 341 } 342 static inline void audit_syscall_entry(int major, unsigned long a0, 343 unsigned long a1, unsigned long a2, 344 unsigned long a3) 345 { 346 if (unlikely(audit_context())) 347 __audit_syscall_entry(major, a0, a1, a2, a3); 348 } 349 static inline void audit_syscall_exit(void *pt_regs) 350 { 351 if (unlikely(audit_context())) { 352 int success = is_syscall_success(pt_regs); 353 long return_code = regs_return_value(pt_regs); 354 355 __audit_syscall_exit(success, return_code); 356 } 357 } 358 static inline struct filename *audit_reusename(const __user char *name) 359 { 360 if (unlikely(!audit_dummy_context())) 361 return __audit_reusename(name); 362 return NULL; 363 } 364 static inline void audit_getname(struct filename *name) 365 { 366 if (unlikely(!audit_dummy_context())) 367 __audit_getname(name); 368 } 369 static inline void audit_inode(struct filename *name, 370 const struct dentry *dentry, 371 unsigned int aflags) { 372 if (unlikely(!audit_dummy_context())) 373 __audit_inode(name, dentry, aflags); 374 } 375 static inline void audit_file(struct file *file) 376 { 377 if (unlikely(!audit_dummy_context())) 378 __audit_file(file); 379 } 380 static inline void audit_inode_parent_hidden(struct filename *name, 381 const struct dentry *dentry) 382 { 383 if (unlikely(!audit_dummy_context())) 384 __audit_inode(name, dentry, 385 AUDIT_INODE_PARENT | AUDIT_INODE_HIDDEN); 386 } 387 static inline void audit_inode_child(struct inode *parent, 388 const struct dentry *dentry, 389 const unsigned char type) { 390 if (unlikely(!audit_dummy_context())) 391 __audit_inode_child(parent, dentry, type); 392 } 393 void audit_core_dumps(long signr); 394 395 static inline void audit_ptrace(struct task_struct *t) 396 { 397 if (unlikely(!audit_dummy_context())) 398 __audit_ptrace(t); 399 } 400 401 /* Private API (for audit.c only) */ 402 extern void __audit_ipc_obj(struct kern_ipc_perm *ipcp); 403 extern void __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode); 404 extern void __audit_bprm(struct linux_binprm *bprm); 405 extern int __audit_socketcall(int nargs, unsigned long *args); 406 extern int __audit_sockaddr(int len, void *addr); 407 extern void __audit_fd_pair(int fd1, int fd2); 408 extern void __audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr); 409 extern void __audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec64 *abs_timeout); 410 extern void __audit_mq_notify(mqd_t mqdes, const struct sigevent *notification); 411 extern void __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat); 412 extern int __audit_log_bprm_fcaps(struct linux_binprm *bprm, 413 const struct cred *new, 414 const struct cred *old); 415 extern void __audit_log_capset(const struct cred *new, const struct cred *old); 416 extern void __audit_mmap_fd(int fd, int flags); 417 extern void __audit_openat2_how(struct open_how *how); 418 extern void __audit_log_kern_module(char *name); 419 extern void __audit_fanotify(unsigned int response); 420 extern void __audit_tk_injoffset(struct timespec64 offset); 421 extern void __audit_ntp_log(const struct audit_ntp_data *ad); 422 extern void __audit_log_nfcfg(const char *name, u8 af, unsigned int nentries, 423 enum audit_nfcfgop op, gfp_t gfp); 424 425 static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp) 426 { 427 if (unlikely(!audit_dummy_context())) 428 __audit_ipc_obj(ipcp); 429 } 430 static inline void audit_fd_pair(int fd1, int fd2) 431 { 432 if (unlikely(!audit_dummy_context())) 433 __audit_fd_pair(fd1, fd2); 434 } 435 static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode) 436 { 437 if (unlikely(!audit_dummy_context())) 438 __audit_ipc_set_perm(qbytes, uid, gid, mode); 439 } 440 static inline void audit_bprm(struct linux_binprm *bprm) 441 { 442 if (unlikely(!audit_dummy_context())) 443 __audit_bprm(bprm); 444 } 445 static inline int audit_socketcall(int nargs, unsigned long *args) 446 { 447 if (unlikely(!audit_dummy_context())) 448 return __audit_socketcall(nargs, args); 449 return 0; 450 } 451 452 static inline int audit_socketcall_compat(int nargs, u32 *args) 453 { 454 unsigned long a[AUDITSC_ARGS]; 455 int i; 456 457 if (audit_dummy_context()) 458 return 0; 459 460 for (i = 0; i < nargs; i++) 461 a[i] = (unsigned long)args[i]; 462 return __audit_socketcall(nargs, a); 463 } 464 465 static inline int audit_sockaddr(int len, void *addr) 466 { 467 if (unlikely(!audit_dummy_context())) 468 return __audit_sockaddr(len, addr); 469 return 0; 470 } 471 static inline void audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr) 472 { 473 if (unlikely(!audit_dummy_context())) 474 __audit_mq_open(oflag, mode, attr); 475 } 476 static inline void audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec64 *abs_timeout) 477 { 478 if (unlikely(!audit_dummy_context())) 479 __audit_mq_sendrecv(mqdes, msg_len, msg_prio, abs_timeout); 480 } 481 static inline void audit_mq_notify(mqd_t mqdes, const struct sigevent *notification) 482 { 483 if (unlikely(!audit_dummy_context())) 484 __audit_mq_notify(mqdes, notification); 485 } 486 static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat) 487 { 488 if (unlikely(!audit_dummy_context())) 489 __audit_mq_getsetattr(mqdes, mqstat); 490 } 491 492 static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm, 493 const struct cred *new, 494 const struct cred *old) 495 { 496 if (unlikely(!audit_dummy_context())) 497 return __audit_log_bprm_fcaps(bprm, new, old); 498 return 0; 499 } 500 501 static inline void audit_log_capset(const struct cred *new, 502 const struct cred *old) 503 { 504 if (unlikely(!audit_dummy_context())) 505 __audit_log_capset(new, old); 506 } 507 508 static inline void audit_mmap_fd(int fd, int flags) 509 { 510 if (unlikely(!audit_dummy_context())) 511 __audit_mmap_fd(fd, flags); 512 } 513 514 static inline void audit_openat2_how(struct open_how *how) 515 { 516 if (unlikely(!audit_dummy_context())) 517 __audit_openat2_how(how); 518 } 519 520 static inline void audit_log_kern_module(char *name) 521 { 522 if (!audit_dummy_context()) 523 __audit_log_kern_module(name); 524 } 525 526 static inline void audit_fanotify(unsigned int response) 527 { 528 if (!audit_dummy_context()) 529 __audit_fanotify(response); 530 } 531 532 static inline void audit_tk_injoffset(struct timespec64 offset) 533 { 534 /* ignore no-op events */ 535 if (offset.tv_sec == 0 && offset.tv_nsec == 0) 536 return; 537 538 if (!audit_dummy_context()) 539 __audit_tk_injoffset(offset); 540 } 541 542 static inline void audit_ntp_init(struct audit_ntp_data *ad) 543 { 544 memset(ad, 0, sizeof(*ad)); 545 } 546 547 static inline void audit_ntp_set_old(struct audit_ntp_data *ad, 548 enum audit_ntp_type type, long long val) 549 { 550 ad->vals[type].oldval = val; 551 } 552 553 static inline void audit_ntp_set_new(struct audit_ntp_data *ad, 554 enum audit_ntp_type type, long long val) 555 { 556 ad->vals[type].newval = val; 557 } 558 559 static inline void audit_ntp_log(const struct audit_ntp_data *ad) 560 { 561 if (!audit_dummy_context()) 562 __audit_ntp_log(ad); 563 } 564 565 static inline void audit_log_nfcfg(const char *name, u8 af, 566 unsigned int nentries, 567 enum audit_nfcfgop op, gfp_t gfp) 568 { 569 if (audit_enabled) 570 __audit_log_nfcfg(name, af, nentries, op, gfp); 571 } 572 573 extern int audit_n_rules; 574 extern int audit_signals; 575 #else /* CONFIG_AUDITSYSCALL */ 576 static inline int audit_alloc(struct task_struct *task) 577 { 578 return 0; 579 } 580 static inline void audit_free(struct task_struct *task) 581 { } 582 static inline void audit_uring_entry(u8 op) 583 { } 584 static inline void audit_uring_exit(int success, long code) 585 { } 586 static inline void audit_syscall_entry(int major, unsigned long a0, 587 unsigned long a1, unsigned long a2, 588 unsigned long a3) 589 { } 590 static inline void audit_syscall_exit(void *pt_regs) 591 { } 592 static inline bool audit_dummy_context(void) 593 { 594 return true; 595 } 596 static inline void audit_set_context(struct task_struct *task, struct audit_context *ctx) 597 { } 598 static inline struct audit_context *audit_context(void) 599 { 600 return NULL; 601 } 602 static inline struct filename *audit_reusename(const __user char *name) 603 { 604 return NULL; 605 } 606 static inline void audit_getname(struct filename *name) 607 { } 608 static inline void audit_inode(struct filename *name, 609 const struct dentry *dentry, 610 unsigned int aflags) 611 { } 612 static inline void audit_file(struct file *file) 613 { 614 } 615 static inline void audit_inode_parent_hidden(struct filename *name, 616 const struct dentry *dentry) 617 { } 618 static inline void audit_inode_child(struct inode *parent, 619 const struct dentry *dentry, 620 const unsigned char type) 621 { } 622 static inline void audit_core_dumps(long signr) 623 { } 624 static inline void audit_seccomp(unsigned long syscall, long signr, int code) 625 { } 626 static inline void audit_seccomp_actions_logged(const char *names, 627 const char *old_names, int res) 628 { } 629 static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp) 630 { } 631 static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid, 632 gid_t gid, umode_t mode) 633 { } 634 static inline void audit_bprm(struct linux_binprm *bprm) 635 { } 636 static inline int audit_socketcall(int nargs, unsigned long *args) 637 { 638 return 0; 639 } 640 641 static inline int audit_socketcall_compat(int nargs, u32 *args) 642 { 643 return 0; 644 } 645 646 static inline void audit_fd_pair(int fd1, int fd2) 647 { } 648 static inline int audit_sockaddr(int len, void *addr) 649 { 650 return 0; 651 } 652 static inline void audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr) 653 { } 654 static inline void audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, 655 unsigned int msg_prio, 656 const struct timespec64 *abs_timeout) 657 { } 658 static inline void audit_mq_notify(mqd_t mqdes, 659 const struct sigevent *notification) 660 { } 661 static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat) 662 { } 663 static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm, 664 const struct cred *new, 665 const struct cred *old) 666 { 667 return 0; 668 } 669 static inline void audit_log_capset(const struct cred *new, 670 const struct cred *old) 671 { } 672 static inline void audit_mmap_fd(int fd, int flags) 673 { } 674 675 static inline void audit_openat2_how(struct open_how *how) 676 { } 677 678 static inline void audit_log_kern_module(char *name) 679 { 680 } 681 682 static inline void audit_fanotify(unsigned int response) 683 { } 684 685 static inline void audit_tk_injoffset(struct timespec64 offset) 686 { } 687 688 static inline void audit_ntp_init(struct audit_ntp_data *ad) 689 { } 690 691 static inline void audit_ntp_set_old(struct audit_ntp_data *ad, 692 enum audit_ntp_type type, long long val) 693 { } 694 695 static inline void audit_ntp_set_new(struct audit_ntp_data *ad, 696 enum audit_ntp_type type, long long val) 697 { } 698 699 static inline void audit_ntp_log(const struct audit_ntp_data *ad) 700 { } 701 702 static inline void audit_ptrace(struct task_struct *t) 703 { } 704 705 static inline void audit_log_nfcfg(const char *name, u8 af, 706 unsigned int nentries, 707 enum audit_nfcfgop op, gfp_t gfp) 708 { } 709 710 #define audit_n_rules 0 711 #define audit_signals 0 712 #endif /* CONFIG_AUDITSYSCALL */ 713 714 static inline bool audit_loginuid_set(struct task_struct *tsk) 715 { 716 return uid_valid(audit_get_loginuid(tsk)); 717 } 718 719 #endif 720