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 is_audit_feature_set(int which); 123 124 extern int __init audit_register_class(int class, unsigned *list); 125 extern int audit_classify_syscall(int abi, unsigned syscall); 126 extern int audit_classify_arch(int arch); 127 /* only for compat system calls */ 128 extern unsigned compat_write_class[]; 129 extern unsigned compat_read_class[]; 130 extern unsigned compat_dir_class[]; 131 extern unsigned compat_chattr_class[]; 132 extern unsigned compat_signal_class[]; 133 134 extern int audit_classify_compat_syscall(int abi, unsigned syscall); 135 136 /* audit_names->type values */ 137 #define AUDIT_TYPE_UNKNOWN 0 /* we don't know yet */ 138 #define AUDIT_TYPE_NORMAL 1 /* a "normal" audit record */ 139 #define AUDIT_TYPE_PARENT 2 /* a parent audit record */ 140 #define AUDIT_TYPE_CHILD_DELETE 3 /* a child being deleted */ 141 #define AUDIT_TYPE_CHILD_CREATE 4 /* a child being created */ 142 143 /* maximized args number that audit_socketcall can process */ 144 #define AUDITSC_ARGS 6 145 146 /* bit values for ->signal->audit_tty */ 147 #define AUDIT_TTY_ENABLE BIT(0) 148 #define AUDIT_TTY_LOG_PASSWD BIT(1) 149 150 struct filename; 151 152 #define AUDIT_OFF 0 153 #define AUDIT_ON 1 154 #define AUDIT_LOCKED 2 155 #ifdef CONFIG_AUDIT 156 /* These are defined in audit.c */ 157 /* Public API */ 158 extern __printf(4, 5) 159 void audit_log(struct audit_context *ctx, gfp_t gfp_mask, int type, 160 const char *fmt, ...); 161 162 extern struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp_mask, int type); 163 extern __printf(2, 3) 164 void audit_log_format(struct audit_buffer *ab, const char *fmt, ...); 165 extern void audit_log_end(struct audit_buffer *ab); 166 extern bool audit_string_contains_control(const char *string, 167 size_t len); 168 extern void audit_log_n_hex(struct audit_buffer *ab, 169 const unsigned char *buf, 170 size_t len); 171 extern void audit_log_n_string(struct audit_buffer *ab, 172 const char *buf, 173 size_t n); 174 extern void audit_log_n_untrustedstring(struct audit_buffer *ab, 175 const char *string, 176 size_t n); 177 extern void audit_log_untrustedstring(struct audit_buffer *ab, 178 const char *string); 179 extern void audit_log_d_path(struct audit_buffer *ab, 180 const char *prefix, 181 const struct path *path); 182 extern void audit_log_key(struct audit_buffer *ab, 183 char *key); 184 extern void audit_log_path_denied(int type, 185 const char *operation); 186 extern void audit_log_lost(const char *message); 187 188 extern int audit_log_task_context(struct audit_buffer *ab); 189 extern void audit_log_task_info(struct audit_buffer *ab); 190 191 extern int audit_update_lsm_rules(void); 192 193 /* Private API (for audit.c only) */ 194 extern int audit_rule_change(int type, int seq, void *data, size_t datasz); 195 extern int audit_list_rules_send(struct sk_buff *request_skb, int seq); 196 197 extern int audit_set_loginuid(kuid_t loginuid); 198 199 static inline kuid_t audit_get_loginuid(struct task_struct *tsk) 200 { 201 return tsk->loginuid; 202 } 203 204 static inline unsigned int audit_get_sessionid(struct task_struct *tsk) 205 { 206 return tsk->sessionid; 207 } 208 209 extern u32 audit_enabled; 210 211 extern int audit_signal_info(int sig, struct task_struct *t); 212 213 #else /* CONFIG_AUDIT */ 214 static inline __printf(4, 5) 215 void audit_log(struct audit_context *ctx, gfp_t gfp_mask, int type, 216 const char *fmt, ...) 217 { } 218 static inline struct audit_buffer *audit_log_start(struct audit_context *ctx, 219 gfp_t gfp_mask, int type) 220 { 221 return NULL; 222 } 223 static inline __printf(2, 3) 224 void audit_log_format(struct audit_buffer *ab, const char *fmt, ...) 225 { } 226 static inline void audit_log_end(struct audit_buffer *ab) 227 { } 228 static inline void audit_log_n_hex(struct audit_buffer *ab, 229 const unsigned char *buf, size_t len) 230 { } 231 static inline void audit_log_n_string(struct audit_buffer *ab, 232 const char *buf, size_t n) 233 { } 234 static inline void audit_log_n_untrustedstring(struct audit_buffer *ab, 235 const char *string, size_t n) 236 { } 237 static inline void audit_log_untrustedstring(struct audit_buffer *ab, 238 const char *string) 239 { } 240 static inline void audit_log_d_path(struct audit_buffer *ab, 241 const char *prefix, 242 const struct path *path) 243 { } 244 static inline void audit_log_key(struct audit_buffer *ab, char *key) 245 { } 246 static inline void audit_log_path_denied(int type, const char *operation) 247 { } 248 static inline int audit_log_task_context(struct audit_buffer *ab) 249 { 250 return 0; 251 } 252 static inline void audit_log_task_info(struct audit_buffer *ab) 253 { } 254 255 static inline kuid_t audit_get_loginuid(struct task_struct *tsk) 256 { 257 return INVALID_UID; 258 } 259 260 static inline unsigned int audit_get_sessionid(struct task_struct *tsk) 261 { 262 return AUDIT_SID_UNSET; 263 } 264 265 #define audit_enabled AUDIT_OFF 266 267 static inline int audit_signal_info(int sig, struct task_struct *t) 268 { 269 return 0; 270 } 271 272 #endif /* CONFIG_AUDIT */ 273 274 #ifdef CONFIG_AUDIT_COMPAT_GENERIC 275 #define audit_is_compat(arch) (!((arch) & __AUDIT_ARCH_64BIT)) 276 #else 277 #define audit_is_compat(arch) false 278 #endif 279 280 #define AUDIT_INODE_PARENT 1 /* dentry represents the parent */ 281 #define AUDIT_INODE_HIDDEN 2 /* audit record should be hidden */ 282 #define AUDIT_INODE_NOEVAL 4 /* audit record incomplete */ 283 284 #ifdef CONFIG_AUDITSYSCALL 285 #include <asm/syscall.h> /* for syscall_get_arch() */ 286 287 /* These are defined in auditsc.c */ 288 /* Public API */ 289 extern int audit_alloc(struct task_struct *task); 290 extern int audit_alloc_kernel(struct task_struct *task); 291 extern void __audit_free(struct task_struct *task); 292 extern void __audit_uring_entry(u8 op); 293 extern void __audit_uring_exit(int success, long code); 294 extern void __audit_syscall_entry(int major, unsigned long a0, unsigned long a1, 295 unsigned long a2, unsigned long a3); 296 extern void __audit_syscall_exit(int ret_success, long ret_value); 297 extern struct filename *__audit_reusename(const __user char *uptr); 298 extern void __audit_getname(struct filename *name); 299 extern void __audit_inode(struct filename *name, const struct dentry *dentry, 300 unsigned int flags); 301 extern void __audit_file(const struct file *); 302 extern void __audit_inode_child(struct inode *parent, 303 const struct dentry *dentry, 304 const unsigned char type); 305 extern void audit_seccomp(unsigned long syscall, long signr, int code); 306 extern void audit_seccomp_actions_logged(const char *names, 307 const char *old_names, int res); 308 extern void __audit_ptrace(struct task_struct *t); 309 310 static inline void audit_set_context(struct task_struct *task, struct audit_context *ctx) 311 { 312 task->audit_context = ctx; 313 } 314 315 static inline struct audit_context *audit_context(void) 316 { 317 return current->audit_context; 318 } 319 320 static inline bool audit_dummy_context(void) 321 { 322 void *p = audit_context(); 323 return !p || *(int *)p; 324 } 325 static inline void audit_free(struct task_struct *task) 326 { 327 if (unlikely(task->audit_context)) 328 __audit_free(task); 329 } 330 static inline void audit_uring_entry(u8 op) 331 { 332 /* 333 * We intentionally check audit_context() before audit_enabled as most 334 * Linux systems (as of ~2021) rely on systemd which forces audit to 335 * be enabled regardless of the user's audit configuration. 336 */ 337 if (unlikely(audit_context() && audit_enabled)) 338 __audit_uring_entry(op); 339 } 340 static inline void audit_uring_exit(int success, long code) 341 { 342 if (unlikely(audit_context())) 343 __audit_uring_exit(success, code); 344 } 345 static inline void audit_syscall_entry(int major, unsigned long a0, 346 unsigned long a1, unsigned long a2, 347 unsigned long a3) 348 { 349 if (unlikely(audit_context())) 350 __audit_syscall_entry(major, a0, a1, a2, a3); 351 } 352 static inline void audit_syscall_exit(void *pt_regs) 353 { 354 if (unlikely(audit_context())) { 355 int success = is_syscall_success(pt_regs); 356 long return_code = regs_return_value(pt_regs); 357 358 __audit_syscall_exit(success, return_code); 359 } 360 } 361 static inline struct filename *audit_reusename(const __user char *name) 362 { 363 if (unlikely(!audit_dummy_context())) 364 return __audit_reusename(name); 365 return NULL; 366 } 367 static inline void audit_getname(struct filename *name) 368 { 369 if (unlikely(!audit_dummy_context())) 370 __audit_getname(name); 371 } 372 static inline void audit_inode(struct filename *name, 373 const struct dentry *dentry, 374 unsigned int aflags) { 375 if (unlikely(!audit_dummy_context())) 376 __audit_inode(name, dentry, aflags); 377 } 378 static inline void audit_file(struct file *file) 379 { 380 if (unlikely(!audit_dummy_context())) 381 __audit_file(file); 382 } 383 static inline void audit_inode_parent_hidden(struct filename *name, 384 const struct dentry *dentry) 385 { 386 if (unlikely(!audit_dummy_context())) 387 __audit_inode(name, dentry, 388 AUDIT_INODE_PARENT | AUDIT_INODE_HIDDEN); 389 } 390 static inline void audit_inode_child(struct inode *parent, 391 const struct dentry *dentry, 392 const unsigned char type) { 393 if (unlikely(!audit_dummy_context())) 394 __audit_inode_child(parent, dentry, type); 395 } 396 void audit_core_dumps(long signr); 397 398 static inline void audit_ptrace(struct task_struct *t) 399 { 400 if (unlikely(!audit_dummy_context())) 401 __audit_ptrace(t); 402 } 403 404 /* Private API (for audit.c only) */ 405 extern void __audit_ipc_obj(struct kern_ipc_perm *ipcp); 406 extern void __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode); 407 extern void __audit_bprm(struct linux_binprm *bprm); 408 extern int __audit_socketcall(int nargs, unsigned long *args); 409 extern int __audit_sockaddr(int len, void *addr); 410 extern void __audit_fd_pair(int fd1, int fd2); 411 extern void __audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr); 412 extern void __audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec64 *abs_timeout); 413 extern void __audit_mq_notify(mqd_t mqdes, const struct sigevent *notification); 414 extern void __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat); 415 extern int __audit_log_bprm_fcaps(struct linux_binprm *bprm, 416 const struct cred *new, 417 const struct cred *old); 418 extern void __audit_log_capset(const struct cred *new, const struct cred *old); 419 extern void __audit_mmap_fd(int fd, int flags); 420 extern void __audit_openat2_how(struct open_how *how); 421 extern void __audit_log_kern_module(char *name); 422 extern void __audit_fanotify(unsigned int response); 423 extern void __audit_tk_injoffset(struct timespec64 offset); 424 extern void __audit_ntp_log(const struct audit_ntp_data *ad); 425 extern void __audit_log_nfcfg(const char *name, u8 af, unsigned int nentries, 426 enum audit_nfcfgop op, gfp_t gfp); 427 428 static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp) 429 { 430 if (unlikely(!audit_dummy_context())) 431 __audit_ipc_obj(ipcp); 432 } 433 static inline void audit_fd_pair(int fd1, int fd2) 434 { 435 if (unlikely(!audit_dummy_context())) 436 __audit_fd_pair(fd1, fd2); 437 } 438 static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode) 439 { 440 if (unlikely(!audit_dummy_context())) 441 __audit_ipc_set_perm(qbytes, uid, gid, mode); 442 } 443 static inline void audit_bprm(struct linux_binprm *bprm) 444 { 445 if (unlikely(!audit_dummy_context())) 446 __audit_bprm(bprm); 447 } 448 static inline int audit_socketcall(int nargs, unsigned long *args) 449 { 450 if (unlikely(!audit_dummy_context())) 451 return __audit_socketcall(nargs, args); 452 return 0; 453 } 454 455 static inline int audit_socketcall_compat(int nargs, u32 *args) 456 { 457 unsigned long a[AUDITSC_ARGS]; 458 int i; 459 460 if (audit_dummy_context()) 461 return 0; 462 463 for (i = 0; i < nargs; i++) 464 a[i] = (unsigned long)args[i]; 465 return __audit_socketcall(nargs, a); 466 } 467 468 static inline int audit_sockaddr(int len, void *addr) 469 { 470 if (unlikely(!audit_dummy_context())) 471 return __audit_sockaddr(len, addr); 472 return 0; 473 } 474 static inline void audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr) 475 { 476 if (unlikely(!audit_dummy_context())) 477 __audit_mq_open(oflag, mode, attr); 478 } 479 static inline void audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec64 *abs_timeout) 480 { 481 if (unlikely(!audit_dummy_context())) 482 __audit_mq_sendrecv(mqdes, msg_len, msg_prio, abs_timeout); 483 } 484 static inline void audit_mq_notify(mqd_t mqdes, const struct sigevent *notification) 485 { 486 if (unlikely(!audit_dummy_context())) 487 __audit_mq_notify(mqdes, notification); 488 } 489 static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat) 490 { 491 if (unlikely(!audit_dummy_context())) 492 __audit_mq_getsetattr(mqdes, mqstat); 493 } 494 495 static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm, 496 const struct cred *new, 497 const struct cred *old) 498 { 499 if (unlikely(!audit_dummy_context())) 500 return __audit_log_bprm_fcaps(bprm, new, old); 501 return 0; 502 } 503 504 static inline void audit_log_capset(const struct cred *new, 505 const struct cred *old) 506 { 507 if (unlikely(!audit_dummy_context())) 508 __audit_log_capset(new, old); 509 } 510 511 static inline void audit_mmap_fd(int fd, int flags) 512 { 513 if (unlikely(!audit_dummy_context())) 514 __audit_mmap_fd(fd, flags); 515 } 516 517 static inline void audit_openat2_how(struct open_how *how) 518 { 519 if (unlikely(!audit_dummy_context())) 520 __audit_openat2_how(how); 521 } 522 523 static inline void audit_log_kern_module(char *name) 524 { 525 if (!audit_dummy_context()) 526 __audit_log_kern_module(name); 527 } 528 529 static inline void audit_fanotify(unsigned int response) 530 { 531 if (!audit_dummy_context()) 532 __audit_fanotify(response); 533 } 534 535 static inline void audit_tk_injoffset(struct timespec64 offset) 536 { 537 /* ignore no-op events */ 538 if (offset.tv_sec == 0 && offset.tv_nsec == 0) 539 return; 540 541 if (!audit_dummy_context()) 542 __audit_tk_injoffset(offset); 543 } 544 545 static inline void audit_ntp_init(struct audit_ntp_data *ad) 546 { 547 memset(ad, 0, sizeof(*ad)); 548 } 549 550 static inline void audit_ntp_set_old(struct audit_ntp_data *ad, 551 enum audit_ntp_type type, long long val) 552 { 553 ad->vals[type].oldval = val; 554 } 555 556 static inline void audit_ntp_set_new(struct audit_ntp_data *ad, 557 enum audit_ntp_type type, long long val) 558 { 559 ad->vals[type].newval = val; 560 } 561 562 static inline void audit_ntp_log(const struct audit_ntp_data *ad) 563 { 564 if (!audit_dummy_context()) 565 __audit_ntp_log(ad); 566 } 567 568 static inline void audit_log_nfcfg(const char *name, u8 af, 569 unsigned int nentries, 570 enum audit_nfcfgop op, gfp_t gfp) 571 { 572 if (audit_enabled) 573 __audit_log_nfcfg(name, af, nentries, op, gfp); 574 } 575 576 extern int audit_n_rules; 577 extern int audit_signals; 578 #else /* CONFIG_AUDITSYSCALL */ 579 static inline int audit_alloc(struct task_struct *task) 580 { 581 return 0; 582 } 583 static inline int audit_alloc_kernel(struct task_struct *task) 584 { 585 return 0; 586 } 587 static inline void audit_free(struct task_struct *task) 588 { } 589 static inline void audit_uring_entry(u8 op) 590 { } 591 static inline void audit_uring_exit(int success, long code) 592 { } 593 static inline void audit_syscall_entry(int major, unsigned long a0, 594 unsigned long a1, unsigned long a2, 595 unsigned long a3) 596 { } 597 static inline void audit_syscall_exit(void *pt_regs) 598 { } 599 static inline bool audit_dummy_context(void) 600 { 601 return true; 602 } 603 static inline void audit_set_context(struct task_struct *task, struct audit_context *ctx) 604 { } 605 static inline struct audit_context *audit_context(void) 606 { 607 return NULL; 608 } 609 static inline struct filename *audit_reusename(const __user char *name) 610 { 611 return NULL; 612 } 613 static inline void audit_getname(struct filename *name) 614 { } 615 static inline void audit_inode(struct filename *name, 616 const struct dentry *dentry, 617 unsigned int aflags) 618 { } 619 static inline void audit_file(struct file *file) 620 { 621 } 622 static inline void audit_inode_parent_hidden(struct filename *name, 623 const struct dentry *dentry) 624 { } 625 static inline void audit_inode_child(struct inode *parent, 626 const struct dentry *dentry, 627 const unsigned char type) 628 { } 629 static inline void audit_core_dumps(long signr) 630 { } 631 static inline void audit_seccomp(unsigned long syscall, long signr, int code) 632 { } 633 static inline void audit_seccomp_actions_logged(const char *names, 634 const char *old_names, int res) 635 { } 636 static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp) 637 { } 638 static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid, 639 gid_t gid, umode_t mode) 640 { } 641 static inline void audit_bprm(struct linux_binprm *bprm) 642 { } 643 static inline int audit_socketcall(int nargs, unsigned long *args) 644 { 645 return 0; 646 } 647 648 static inline int audit_socketcall_compat(int nargs, u32 *args) 649 { 650 return 0; 651 } 652 653 static inline void audit_fd_pair(int fd1, int fd2) 654 { } 655 static inline int audit_sockaddr(int len, void *addr) 656 { 657 return 0; 658 } 659 static inline void audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr) 660 { } 661 static inline void audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, 662 unsigned int msg_prio, 663 const struct timespec64 *abs_timeout) 664 { } 665 static inline void audit_mq_notify(mqd_t mqdes, 666 const struct sigevent *notification) 667 { } 668 static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat) 669 { } 670 static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm, 671 const struct cred *new, 672 const struct cred *old) 673 { 674 return 0; 675 } 676 static inline void audit_log_capset(const struct cred *new, 677 const struct cred *old) 678 { } 679 static inline void audit_mmap_fd(int fd, int flags) 680 { } 681 682 static inline void audit_openat2_how(struct open_how *how) 683 { } 684 685 static inline void audit_log_kern_module(char *name) 686 { 687 } 688 689 static inline void audit_fanotify(unsigned int response) 690 { } 691 692 static inline void audit_tk_injoffset(struct timespec64 offset) 693 { } 694 695 static inline void audit_ntp_init(struct audit_ntp_data *ad) 696 { } 697 698 static inline void audit_ntp_set_old(struct audit_ntp_data *ad, 699 enum audit_ntp_type type, long long val) 700 { } 701 702 static inline void audit_ntp_set_new(struct audit_ntp_data *ad, 703 enum audit_ntp_type type, long long val) 704 { } 705 706 static inline void audit_ntp_log(const struct audit_ntp_data *ad) 707 { } 708 709 static inline void audit_ptrace(struct task_struct *t) 710 { } 711 712 static inline void audit_log_nfcfg(const char *name, u8 af, 713 unsigned int nentries, 714 enum audit_nfcfgop op, gfp_t gfp) 715 { } 716 717 #define audit_n_rules 0 718 #define audit_signals 0 719 #endif /* CONFIG_AUDITSYSCALL */ 720 721 static inline bool audit_loginuid_set(struct task_struct *tsk) 722 { 723 return uid_valid(audit_get_loginuid(tsk)); 724 } 725 726 #endif 727