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_INVALID, 121 }; 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 /* audit_names->type values */ 134 #define AUDIT_TYPE_UNKNOWN 0 /* we don't know yet */ 135 #define AUDIT_TYPE_NORMAL 1 /* a "normal" audit record */ 136 #define AUDIT_TYPE_PARENT 2 /* a parent audit record */ 137 #define AUDIT_TYPE_CHILD_DELETE 3 /* a child being deleted */ 138 #define AUDIT_TYPE_CHILD_CREATE 4 /* a child being created */ 139 140 /* maximized args number that audit_socketcall can process */ 141 #define AUDITSC_ARGS 6 142 143 /* bit values for ->signal->audit_tty */ 144 #define AUDIT_TTY_ENABLE BIT(0) 145 #define AUDIT_TTY_LOG_PASSWD BIT(1) 146 147 struct filename; 148 149 #define AUDIT_OFF 0 150 #define AUDIT_ON 1 151 #define AUDIT_LOCKED 2 152 #ifdef CONFIG_AUDIT 153 /* These are defined in audit.c */ 154 /* Public API */ 155 extern __printf(4, 5) 156 void audit_log(struct audit_context *ctx, gfp_t gfp_mask, int type, 157 const char *fmt, ...); 158 159 extern struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp_mask, int type); 160 extern __printf(2, 3) 161 void audit_log_format(struct audit_buffer *ab, const char *fmt, ...); 162 extern void audit_log_end(struct audit_buffer *ab); 163 extern bool audit_string_contains_control(const char *string, 164 size_t len); 165 extern void audit_log_n_hex(struct audit_buffer *ab, 166 const unsigned char *buf, 167 size_t len); 168 extern void audit_log_n_string(struct audit_buffer *ab, 169 const char *buf, 170 size_t n); 171 extern void audit_log_n_untrustedstring(struct audit_buffer *ab, 172 const char *string, 173 size_t n); 174 extern void audit_log_untrustedstring(struct audit_buffer *ab, 175 const char *string); 176 extern void audit_log_d_path(struct audit_buffer *ab, 177 const char *prefix, 178 const struct path *path); 179 extern void audit_log_key(struct audit_buffer *ab, 180 char *key); 181 extern void audit_log_path_denied(int type, 182 const char *operation); 183 extern void audit_log_lost(const char *message); 184 185 extern int audit_log_task_context(struct audit_buffer *ab); 186 extern void audit_log_task_info(struct audit_buffer *ab); 187 188 extern int audit_update_lsm_rules(void); 189 190 /* Private API (for audit.c only) */ 191 extern int audit_rule_change(int type, int seq, void *data, size_t datasz); 192 extern int audit_list_rules_send(struct sk_buff *request_skb, int seq); 193 194 extern int audit_set_loginuid(kuid_t loginuid); 195 196 static inline kuid_t audit_get_loginuid(struct task_struct *tsk) 197 { 198 return tsk->loginuid; 199 } 200 201 static inline unsigned int audit_get_sessionid(struct task_struct *tsk) 202 { 203 return tsk->sessionid; 204 } 205 206 extern u32 audit_enabled; 207 208 extern int audit_signal_info(int sig, struct task_struct *t); 209 210 #else /* CONFIG_AUDIT */ 211 static inline __printf(4, 5) 212 void audit_log(struct audit_context *ctx, gfp_t gfp_mask, int type, 213 const char *fmt, ...) 214 { } 215 static inline struct audit_buffer *audit_log_start(struct audit_context *ctx, 216 gfp_t gfp_mask, int type) 217 { 218 return NULL; 219 } 220 static inline __printf(2, 3) 221 void audit_log_format(struct audit_buffer *ab, const char *fmt, ...) 222 { } 223 static inline void audit_log_end(struct audit_buffer *ab) 224 { } 225 static inline void audit_log_n_hex(struct audit_buffer *ab, 226 const unsigned char *buf, size_t len) 227 { } 228 static inline void audit_log_n_string(struct audit_buffer *ab, 229 const char *buf, size_t n) 230 { } 231 static inline void audit_log_n_untrustedstring(struct audit_buffer *ab, 232 const char *string, size_t n) 233 { } 234 static inline void audit_log_untrustedstring(struct audit_buffer *ab, 235 const char *string) 236 { } 237 static inline void audit_log_d_path(struct audit_buffer *ab, 238 const char *prefix, 239 const struct path *path) 240 { } 241 static inline void audit_log_key(struct audit_buffer *ab, char *key) 242 { } 243 static inline void audit_log_path_denied(int type, const char *operation) 244 { } 245 static inline int audit_log_task_context(struct audit_buffer *ab) 246 { 247 return 0; 248 } 249 static inline void audit_log_task_info(struct audit_buffer *ab) 250 { } 251 252 static inline kuid_t audit_get_loginuid(struct task_struct *tsk) 253 { 254 return INVALID_UID; 255 } 256 257 static inline unsigned int audit_get_sessionid(struct task_struct *tsk) 258 { 259 return AUDIT_SID_UNSET; 260 } 261 262 #define audit_enabled AUDIT_OFF 263 264 static inline int audit_signal_info(int sig, struct task_struct *t) 265 { 266 return 0; 267 } 268 269 #endif /* CONFIG_AUDIT */ 270 271 #ifdef CONFIG_AUDIT_COMPAT_GENERIC 272 #define audit_is_compat(arch) (!((arch) & __AUDIT_ARCH_64BIT)) 273 #else 274 #define audit_is_compat(arch) false 275 #endif 276 277 #define AUDIT_INODE_PARENT 1 /* dentry represents the parent */ 278 #define AUDIT_INODE_HIDDEN 2 /* audit record should be hidden */ 279 #define AUDIT_INODE_NOEVAL 4 /* audit record incomplete */ 280 281 #ifdef CONFIG_AUDITSYSCALL 282 #include <asm/syscall.h> /* for syscall_get_arch() */ 283 284 /* These are defined in auditsc.c */ 285 /* Public API */ 286 extern int audit_alloc(struct task_struct *task); 287 extern void __audit_free(struct task_struct *task); 288 extern void __audit_uring_entry(u8 op); 289 extern void __audit_uring_exit(int success, long code); 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_inode(struct filename *name, const struct dentry *dentry, 296 unsigned int flags); 297 extern void __audit_file(const struct file *); 298 extern void __audit_inode_child(struct inode *parent, 299 const struct dentry *dentry, 300 const unsigned char type); 301 extern void audit_seccomp(unsigned long syscall, long signr, int code); 302 extern void audit_seccomp_actions_logged(const char *names, 303 const char *old_names, int res); 304 extern void __audit_ptrace(struct task_struct *t); 305 306 static inline void audit_set_context(struct task_struct *task, struct audit_context *ctx) 307 { 308 task->audit_context = ctx; 309 } 310 311 static inline struct audit_context *audit_context(void) 312 { 313 return current->audit_context; 314 } 315 316 static inline bool audit_dummy_context(void) 317 { 318 void *p = audit_context(); 319 return !p || *(int *)p; 320 } 321 static inline void audit_free(struct task_struct *task) 322 { 323 if (unlikely(task->audit_context)) 324 __audit_free(task); 325 } 326 static inline void audit_uring_entry(u8 op) 327 { 328 /* 329 * We intentionally check audit_context() before audit_enabled as most 330 * Linux systems (as of ~2021) rely on systemd which forces audit to 331 * be enabled regardless of the user's audit configuration. 332 */ 333 if (unlikely(audit_context() && audit_enabled)) 334 __audit_uring_entry(op); 335 } 336 static inline void audit_uring_exit(int success, long code) 337 { 338 if (unlikely(audit_context())) 339 __audit_uring_exit(success, code); 340 } 341 static inline void audit_syscall_entry(int major, unsigned long a0, 342 unsigned long a1, unsigned long a2, 343 unsigned long a3) 344 { 345 if (unlikely(audit_context())) 346 __audit_syscall_entry(major, a0, a1, a2, a3); 347 } 348 static inline void audit_syscall_exit(void *pt_regs) 349 { 350 if (unlikely(audit_context())) { 351 int success = is_syscall_success(pt_regs); 352 long return_code = regs_return_value(pt_regs); 353 354 __audit_syscall_exit(success, return_code); 355 } 356 } 357 static inline struct filename *audit_reusename(const __user char *name) 358 { 359 if (unlikely(!audit_dummy_context())) 360 return __audit_reusename(name); 361 return NULL; 362 } 363 static inline void audit_getname(struct filename *name) 364 { 365 if (unlikely(!audit_dummy_context())) 366 __audit_getname(name); 367 } 368 static inline void audit_inode(struct filename *name, 369 const struct dentry *dentry, 370 unsigned int aflags) { 371 if (unlikely(!audit_dummy_context())) 372 __audit_inode(name, dentry, aflags); 373 } 374 static inline void audit_file(struct file *file) 375 { 376 if (unlikely(!audit_dummy_context())) 377 __audit_file(file); 378 } 379 static inline void audit_inode_parent_hidden(struct filename *name, 380 const struct dentry *dentry) 381 { 382 if (unlikely(!audit_dummy_context())) 383 __audit_inode(name, dentry, 384 AUDIT_INODE_PARENT | AUDIT_INODE_HIDDEN); 385 } 386 static inline void audit_inode_child(struct inode *parent, 387 const struct dentry *dentry, 388 const unsigned char type) { 389 if (unlikely(!audit_dummy_context())) 390 __audit_inode_child(parent, dentry, type); 391 } 392 void audit_core_dumps(long signr); 393 394 static inline void audit_ptrace(struct task_struct *t) 395 { 396 if (unlikely(!audit_dummy_context())) 397 __audit_ptrace(t); 398 } 399 400 /* Private API (for audit.c only) */ 401 extern void __audit_ipc_obj(struct kern_ipc_perm *ipcp); 402 extern void __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode); 403 extern void __audit_bprm(struct linux_binprm *bprm); 404 extern int __audit_socketcall(int nargs, unsigned long *args); 405 extern int __audit_sockaddr(int len, void *addr); 406 extern void __audit_fd_pair(int fd1, int fd2); 407 extern void __audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr); 408 extern void __audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec64 *abs_timeout); 409 extern void __audit_mq_notify(mqd_t mqdes, const struct sigevent *notification); 410 extern void __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat); 411 extern int __audit_log_bprm_fcaps(struct linux_binprm *bprm, 412 const struct cred *new, 413 const struct cred *old); 414 extern void __audit_log_capset(const struct cred *new, const struct cred *old); 415 extern void __audit_mmap_fd(int fd, int flags); 416 extern void __audit_openat2_how(struct open_how *how); 417 extern void __audit_log_kern_module(char *name); 418 extern void __audit_fanotify(u32 response, struct fanotify_response_info_audit_rule *friar); 419 extern void __audit_tk_injoffset(struct timespec64 offset); 420 extern void __audit_ntp_log(const struct audit_ntp_data *ad); 421 extern void __audit_log_nfcfg(const char *name, u8 af, unsigned int nentries, 422 enum audit_nfcfgop op, gfp_t gfp); 423 424 static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp) 425 { 426 if (unlikely(!audit_dummy_context())) 427 __audit_ipc_obj(ipcp); 428 } 429 static inline void audit_fd_pair(int fd1, int fd2) 430 { 431 if (unlikely(!audit_dummy_context())) 432 __audit_fd_pair(fd1, fd2); 433 } 434 static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode) 435 { 436 if (unlikely(!audit_dummy_context())) 437 __audit_ipc_set_perm(qbytes, uid, gid, mode); 438 } 439 static inline void audit_bprm(struct linux_binprm *bprm) 440 { 441 if (unlikely(!audit_dummy_context())) 442 __audit_bprm(bprm); 443 } 444 static inline int audit_socketcall(int nargs, unsigned long *args) 445 { 446 if (unlikely(!audit_dummy_context())) 447 return __audit_socketcall(nargs, args); 448 return 0; 449 } 450 451 static inline int audit_socketcall_compat(int nargs, u32 *args) 452 { 453 unsigned long a[AUDITSC_ARGS]; 454 int i; 455 456 if (audit_dummy_context()) 457 return 0; 458 459 for (i = 0; i < nargs; i++) 460 a[i] = (unsigned long)args[i]; 461 return __audit_socketcall(nargs, a); 462 } 463 464 static inline int audit_sockaddr(int len, void *addr) 465 { 466 if (unlikely(!audit_dummy_context())) 467 return __audit_sockaddr(len, addr); 468 return 0; 469 } 470 static inline void audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr) 471 { 472 if (unlikely(!audit_dummy_context())) 473 __audit_mq_open(oflag, mode, attr); 474 } 475 static inline void audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec64 *abs_timeout) 476 { 477 if (unlikely(!audit_dummy_context())) 478 __audit_mq_sendrecv(mqdes, msg_len, msg_prio, abs_timeout); 479 } 480 static inline void audit_mq_notify(mqd_t mqdes, const struct sigevent *notification) 481 { 482 if (unlikely(!audit_dummy_context())) 483 __audit_mq_notify(mqdes, notification); 484 } 485 static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat) 486 { 487 if (unlikely(!audit_dummy_context())) 488 __audit_mq_getsetattr(mqdes, mqstat); 489 } 490 491 static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm, 492 const struct cred *new, 493 const struct cred *old) 494 { 495 if (unlikely(!audit_dummy_context())) 496 return __audit_log_bprm_fcaps(bprm, new, old); 497 return 0; 498 } 499 500 static inline void audit_log_capset(const struct cred *new, 501 const struct cred *old) 502 { 503 if (unlikely(!audit_dummy_context())) 504 __audit_log_capset(new, old); 505 } 506 507 static inline void audit_mmap_fd(int fd, int flags) 508 { 509 if (unlikely(!audit_dummy_context())) 510 __audit_mmap_fd(fd, flags); 511 } 512 513 static inline void audit_openat2_how(struct open_how *how) 514 { 515 if (unlikely(!audit_dummy_context())) 516 __audit_openat2_how(how); 517 } 518 519 static inline void audit_log_kern_module(char *name) 520 { 521 if (!audit_dummy_context()) 522 __audit_log_kern_module(name); 523 } 524 525 static inline void audit_fanotify(u32 response, struct fanotify_response_info_audit_rule *friar) 526 { 527 if (!audit_dummy_context()) 528 __audit_fanotify(response, friar); 529 } 530 531 static inline void audit_tk_injoffset(struct timespec64 offset) 532 { 533 /* ignore no-op events */ 534 if (offset.tv_sec == 0 && offset.tv_nsec == 0) 535 return; 536 537 if (!audit_dummy_context()) 538 __audit_tk_injoffset(offset); 539 } 540 541 static inline void audit_ntp_init(struct audit_ntp_data *ad) 542 { 543 memset(ad, 0, sizeof(*ad)); 544 } 545 546 static inline void audit_ntp_set_old(struct audit_ntp_data *ad, 547 enum audit_ntp_type type, long long val) 548 { 549 ad->vals[type].oldval = val; 550 } 551 552 static inline void audit_ntp_set_new(struct audit_ntp_data *ad, 553 enum audit_ntp_type type, long long val) 554 { 555 ad->vals[type].newval = val; 556 } 557 558 static inline void audit_ntp_log(const struct audit_ntp_data *ad) 559 { 560 if (!audit_dummy_context()) 561 __audit_ntp_log(ad); 562 } 563 564 static inline void audit_log_nfcfg(const char *name, u8 af, 565 unsigned int nentries, 566 enum audit_nfcfgop op, gfp_t gfp) 567 { 568 if (audit_enabled) 569 __audit_log_nfcfg(name, af, nentries, op, gfp); 570 } 571 572 extern int audit_n_rules; 573 extern int audit_signals; 574 #else /* CONFIG_AUDITSYSCALL */ 575 static inline int audit_alloc(struct task_struct *task) 576 { 577 return 0; 578 } 579 static inline void audit_free(struct task_struct *task) 580 { } 581 static inline void audit_uring_entry(u8 op) 582 { } 583 static inline void audit_uring_exit(int success, long code) 584 { } 585 static inline void audit_syscall_entry(int major, unsigned long a0, 586 unsigned long a1, unsigned long a2, 587 unsigned long a3) 588 { } 589 static inline void audit_syscall_exit(void *pt_regs) 590 { } 591 static inline bool audit_dummy_context(void) 592 { 593 return true; 594 } 595 static inline void audit_set_context(struct task_struct *task, struct audit_context *ctx) 596 { } 597 static inline struct audit_context *audit_context(void) 598 { 599 return NULL; 600 } 601 static inline struct filename *audit_reusename(const __user char *name) 602 { 603 return NULL; 604 } 605 static inline void audit_getname(struct filename *name) 606 { } 607 static inline void audit_inode(struct filename *name, 608 const struct dentry *dentry, 609 unsigned int aflags) 610 { } 611 static inline void audit_file(struct file *file) 612 { 613 } 614 static inline void audit_inode_parent_hidden(struct filename *name, 615 const struct dentry *dentry) 616 { } 617 static inline void audit_inode_child(struct inode *parent, 618 const struct dentry *dentry, 619 const unsigned char type) 620 { } 621 static inline void audit_core_dumps(long signr) 622 { } 623 static inline void audit_seccomp(unsigned long syscall, long signr, int code) 624 { } 625 static inline void audit_seccomp_actions_logged(const char *names, 626 const char *old_names, int res) 627 { } 628 static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp) 629 { } 630 static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid, 631 gid_t gid, umode_t mode) 632 { } 633 static inline void audit_bprm(struct linux_binprm *bprm) 634 { } 635 static inline int audit_socketcall(int nargs, unsigned long *args) 636 { 637 return 0; 638 } 639 640 static inline int audit_socketcall_compat(int nargs, u32 *args) 641 { 642 return 0; 643 } 644 645 static inline void audit_fd_pair(int fd1, int fd2) 646 { } 647 static inline int audit_sockaddr(int len, void *addr) 648 { 649 return 0; 650 } 651 static inline void audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr) 652 { } 653 static inline void audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, 654 unsigned int msg_prio, 655 const struct timespec64 *abs_timeout) 656 { } 657 static inline void audit_mq_notify(mqd_t mqdes, 658 const struct sigevent *notification) 659 { } 660 static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat) 661 { } 662 static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm, 663 const struct cred *new, 664 const struct cred *old) 665 { 666 return 0; 667 } 668 static inline void audit_log_capset(const struct cred *new, 669 const struct cred *old) 670 { } 671 static inline void audit_mmap_fd(int fd, int flags) 672 { } 673 674 static inline void audit_openat2_how(struct open_how *how) 675 { } 676 677 static inline void audit_log_kern_module(char *name) 678 { 679 } 680 681 static inline void audit_fanotify(u32 response, struct fanotify_response_info_audit_rule *friar) 682 { } 683 684 static inline void audit_tk_injoffset(struct timespec64 offset) 685 { } 686 687 static inline void audit_ntp_init(struct audit_ntp_data *ad) 688 { } 689 690 static inline void audit_ntp_set_old(struct audit_ntp_data *ad, 691 enum audit_ntp_type type, long long val) 692 { } 693 694 static inline void audit_ntp_set_new(struct audit_ntp_data *ad, 695 enum audit_ntp_type type, long long val) 696 { } 697 698 static inline void audit_ntp_log(const struct audit_ntp_data *ad) 699 { } 700 701 static inline void audit_ptrace(struct task_struct *t) 702 { } 703 704 static inline void audit_log_nfcfg(const char *name, u8 af, 705 unsigned int nentries, 706 enum audit_nfcfgop op, gfp_t gfp) 707 { } 708 709 #define audit_n_rules 0 710 #define audit_signals 0 711 #endif /* CONFIG_AUDITSYSCALL */ 712 713 static inline bool audit_loginuid_set(struct task_struct *tsk) 714 { 715 return uid_valid(audit_get_loginuid(tsk)); 716 } 717 718 #endif 719