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 22struct audit_sig_info { 23 uid_t uid; 24 pid_t pid; 25 char ctx[]; 26}; 27 28struct audit_buffer; 29struct audit_context; 30struct inode; 31struct netlink_skb_parms; 32struct path; 33struct linux_binprm; 34struct mq_attr; 35struct mqstat; 36struct audit_watch; 37struct audit_tree; 38struct sk_buff; 39struct kern_ipc_perm; 40 41struct audit_krule { 42 u32 pflags; 43 u32 flags; 44 u32 listnr; 45 u32 action; 46 u32 mask[AUDIT_BITMASK_SIZE]; 47 u32 buflen; /* for data alloc on list rules */ 48 u32 field_count; 49 char *filterkey; /* ties events to rules */ 50 struct audit_field *fields; 51 struct audit_field *arch_f; /* quick access to arch field */ 52 struct audit_field *inode_f; /* quick access to an inode field */ 53 struct audit_watch *watch; /* associated watch */ 54 struct audit_tree *tree; /* associated watched tree */ 55 struct audit_fsnotify_mark *exe; 56 struct list_head rlist; /* entry in audit_{watch,tree}.rules list */ 57 struct list_head list; /* for AUDIT_LIST* purposes only */ 58 u64 prio; 59}; 60 61/* Flag to indicate legacy AUDIT_LOGINUID unset usage */ 62#define AUDIT_LOGINUID_LEGACY 0x1 63 64struct audit_field { 65 u32 type; 66 union { 67 u32 val; 68 kuid_t uid; 69 kgid_t gid; 70 struct { 71 char *lsm_str; 72 void *lsm_rule; 73 }; 74 }; 75 u32 op; 76}; 77 78enum audit_ntp_type { 79 AUDIT_NTP_OFFSET, 80 AUDIT_NTP_FREQ, 81 AUDIT_NTP_STATUS, 82 AUDIT_NTP_TAI, 83 AUDIT_NTP_TICK, 84 AUDIT_NTP_ADJUST, 85 86 AUDIT_NTP_NVALS /* count */ 87}; 88 89#ifdef CONFIG_AUDITSYSCALL 90struct audit_ntp_val { 91 long long oldval, newval; 92}; 93 94struct audit_ntp_data { 95 struct audit_ntp_val vals[AUDIT_NTP_NVALS]; 96}; 97#else 98struct audit_ntp_data {}; 99#endif 100 101enum audit_nfcfgop { 102 AUDIT_XT_OP_REGISTER, 103 AUDIT_XT_OP_REPLACE, 104 AUDIT_XT_OP_UNREGISTER, 105 AUDIT_NFT_OP_TABLE_REGISTER, 106 AUDIT_NFT_OP_TABLE_UNREGISTER, 107 AUDIT_NFT_OP_CHAIN_REGISTER, 108 AUDIT_NFT_OP_CHAIN_UNREGISTER, 109 AUDIT_NFT_OP_RULE_REGISTER, 110 AUDIT_NFT_OP_RULE_UNREGISTER, 111 AUDIT_NFT_OP_SET_REGISTER, 112 AUDIT_NFT_OP_SET_UNREGISTER, 113 AUDIT_NFT_OP_SETELEM_REGISTER, 114 AUDIT_NFT_OP_SETELEM_UNREGISTER, 115 AUDIT_NFT_OP_GEN_REGISTER, 116 AUDIT_NFT_OP_OBJ_REGISTER, 117 AUDIT_NFT_OP_OBJ_UNREGISTER, 118 AUDIT_NFT_OP_OBJ_RESET, 119 AUDIT_NFT_OP_FLOWTABLE_REGISTER, 120 AUDIT_NFT_OP_FLOWTABLE_UNREGISTER, 121 AUDIT_NFT_OP_SETELEM_RESET, 122 AUDIT_NFT_OP_RULE_RESET, 123 AUDIT_NFT_OP_INVALID, 124}; 125 126extern int __init audit_register_class(int class, unsigned *list); 127extern int audit_classify_syscall(int abi, unsigned syscall); 128extern int audit_classify_arch(int arch); 129/* only for compat system calls */ 130extern unsigned compat_write_class[]; 131extern unsigned compat_read_class[]; 132extern unsigned compat_dir_class[]; 133extern unsigned compat_chattr_class[]; 134extern unsigned compat_signal_class[]; 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 150struct 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 */ 158extern __printf(4, 5) 159void audit_log(struct audit_context *ctx, gfp_t gfp_mask, int type, 160 const char *fmt, ...); 161 162extern struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp_mask, int type); 163extern __printf(2, 3) 164void audit_log_format(struct audit_buffer *ab, const char *fmt, ...); 165extern void audit_log_end(struct audit_buffer *ab); 166extern bool audit_string_contains_control(const char *string, 167 size_t len); 168extern void audit_log_n_hex(struct audit_buffer *ab, 169 const unsigned char *buf, 170 size_t len); 171extern void audit_log_n_string(struct audit_buffer *ab, 172 const char *buf, 173 size_t n); 174extern void audit_log_n_untrustedstring(struct audit_buffer *ab, 175 const char *string, 176 size_t n); 177extern void audit_log_untrustedstring(struct audit_buffer *ab, 178 const char *string); 179extern void audit_log_d_path(struct audit_buffer *ab, 180 const char *prefix, 181 const struct path *path); 182extern void audit_log_key(struct audit_buffer *ab, 183 char *key); 184extern void audit_log_path_denied(int type, 185 const char *operation); 186extern void audit_log_lost(const char *message); 187 188extern int audit_log_task_context(struct audit_buffer *ab); 189extern void audit_log_task_info(struct audit_buffer *ab); 190 191extern int audit_update_lsm_rules(void); 192 193 /* Private API (for audit.c only) */ 194extern int audit_rule_change(int type, int seq, void *data, size_t datasz); 195extern int audit_list_rules_send(struct sk_buff *request_skb, int seq); 196 197extern int audit_set_loginuid(kuid_t loginuid); 198 199static inline kuid_t audit_get_loginuid(struct task_struct *tsk) 200{ 201 return tsk->loginuid; 202} 203 204static inline unsigned int audit_get_sessionid(struct task_struct *tsk) 205{ 206 return tsk->sessionid; 207} 208 209extern u32 audit_enabled; 210 211extern int audit_signal_info(int sig, struct task_struct *t); 212 213#else /* CONFIG_AUDIT */ 214static inline __printf(4, 5) 215void audit_log(struct audit_context *ctx, gfp_t gfp_mask, int type, 216 const char *fmt, ...) 217{ } 218static inline struct audit_buffer *audit_log_start(struct audit_context *ctx, 219 gfp_t gfp_mask, int type) 220{ 221 return NULL; 222} 223static inline __printf(2, 3) 224void audit_log_format(struct audit_buffer *ab, const char *fmt, ...) 225{ } 226static inline void audit_log_end(struct audit_buffer *ab) 227{ } 228static inline void audit_log_n_hex(struct audit_buffer *ab, 229 const unsigned char *buf, size_t len) 230{ } 231static inline void audit_log_n_string(struct audit_buffer *ab, 232 const char *buf, size_t n) 233{ } 234static inline void audit_log_n_untrustedstring(struct audit_buffer *ab, 235 const char *string, size_t n) 236{ } 237static inline void audit_log_untrustedstring(struct audit_buffer *ab, 238 const char *string) 239{ } 240static inline void audit_log_d_path(struct audit_buffer *ab, 241 const char *prefix, 242 const struct path *path) 243{ } 244static inline void audit_log_key(struct audit_buffer *ab, char *key) 245{ } 246static inline void audit_log_path_denied(int type, const char *operation) 247{ } 248static inline int audit_log_task_context(struct audit_buffer *ab) 249{ 250 return 0; 251} 252static inline void audit_log_task_info(struct audit_buffer *ab) 253{ } 254 255static inline kuid_t audit_get_loginuid(struct task_struct *tsk) 256{ 257 return INVALID_UID; 258} 259 260static 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 267static 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 */ 289extern int audit_alloc(struct task_struct *task); 290extern void __audit_free(struct task_struct *task); 291extern void __audit_uring_entry(u8 op); 292extern void __audit_uring_exit(int success, long code); 293extern void __audit_syscall_entry(int major, unsigned long a0, unsigned long a1, 294 unsigned long a2, unsigned long a3); 295extern void __audit_syscall_exit(int ret_success, long ret_value); 296extern struct filename *__audit_reusename(const __user char *uptr); 297extern void __audit_getname(struct filename *name); 298extern void __audit_inode(struct filename *name, const struct dentry *dentry, 299 unsigned int flags); 300extern void __audit_file(const struct file *); 301extern void __audit_inode_child(struct inode *parent, 302 const struct dentry *dentry, 303 const unsigned char type); 304extern void audit_seccomp(unsigned long syscall, long signr, int code); 305extern void audit_seccomp_actions_logged(const char *names, 306 const char *old_names, int res); 307extern void __audit_ptrace(struct task_struct *t); 308 309static inline void audit_set_context(struct task_struct *task, struct audit_context *ctx) 310{ 311 task->audit_context = ctx; 312} 313 314static inline struct audit_context *audit_context(void) 315{ 316 return current->audit_context; 317} 318 319static inline bool audit_dummy_context(void) 320{ 321 void *p = audit_context(); 322 return !p || *(int *)p; 323} 324static inline void audit_free(struct task_struct *task) 325{ 326 if (unlikely(task->audit_context)) 327 __audit_free(task); 328} 329static inline void audit_uring_entry(u8 op) 330{ 331 /* 332 * We intentionally check audit_context() before audit_enabled as most 333 * Linux systems (as of ~2021) rely on systemd which forces audit to 334 * be enabled regardless of the user's audit configuration. 335 */ 336 if (unlikely(audit_context() && audit_enabled)) 337 __audit_uring_entry(op); 338} 339static inline void audit_uring_exit(int success, long code) 340{ 341 if (unlikely(audit_context())) 342 __audit_uring_exit(success, code); 343} 344static inline void audit_syscall_entry(int major, unsigned long a0, 345 unsigned long a1, unsigned long a2, 346 unsigned long a3) 347{ 348 if (unlikely(audit_context())) 349 __audit_syscall_entry(major, a0, a1, a2, a3); 350} 351static inline void audit_syscall_exit(void *pt_regs) 352{ 353 if (unlikely(audit_context())) { 354 int success = is_syscall_success(pt_regs); 355 long return_code = regs_return_value(pt_regs); 356 357 __audit_syscall_exit(success, return_code); 358 } 359} 360static inline struct filename *audit_reusename(const __user char *name) 361{ 362 if (unlikely(!audit_dummy_context())) 363 return __audit_reusename(name); 364 return NULL; 365} 366static inline void audit_getname(struct filename *name) 367{ 368 if (unlikely(!audit_dummy_context())) 369 __audit_getname(name); 370} 371static inline void audit_inode(struct filename *name, 372 const struct dentry *dentry, 373 unsigned int aflags) { 374 if (unlikely(!audit_dummy_context())) 375 __audit_inode(name, dentry, aflags); 376} 377static inline void audit_file(struct file *file) 378{ 379 if (unlikely(!audit_dummy_context())) 380 __audit_file(file); 381} 382static inline void audit_inode_parent_hidden(struct filename *name, 383 const struct dentry *dentry) 384{ 385 if (unlikely(!audit_dummy_context())) 386 __audit_inode(name, dentry, 387 AUDIT_INODE_PARENT | AUDIT_INODE_HIDDEN); 388} 389static inline void audit_inode_child(struct inode *parent, 390 const struct dentry *dentry, 391 const unsigned char type) { 392 if (unlikely(!audit_dummy_context())) 393 __audit_inode_child(parent, dentry, type); 394} 395void audit_core_dumps(long signr); 396 397static inline void audit_ptrace(struct task_struct *t) 398{ 399 if (unlikely(!audit_dummy_context())) 400 __audit_ptrace(t); 401} 402 403 /* Private API (for audit.c only) */ 404extern void __audit_ipc_obj(struct kern_ipc_perm *ipcp); 405extern void __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode); 406extern void __audit_bprm(struct linux_binprm *bprm); 407extern int __audit_socketcall(int nargs, unsigned long *args); 408extern int __audit_sockaddr(int len, void *addr); 409extern void __audit_fd_pair(int fd1, int fd2); 410extern void __audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr); 411extern void __audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec64 *abs_timeout); 412extern void __audit_mq_notify(mqd_t mqdes, const struct sigevent *notification); 413extern void __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat); 414extern int __audit_log_bprm_fcaps(struct linux_binprm *bprm, 415 const struct cred *new, 416 const struct cred *old); 417extern void __audit_log_capset(const struct cred *new, const struct cred *old); 418extern void __audit_mmap_fd(int fd, int flags); 419extern void __audit_openat2_how(struct open_how *how); 420extern void __audit_log_kern_module(char *name); 421extern void __audit_fanotify(u32 response, struct fanotify_response_info_audit_rule *friar); 422extern void __audit_tk_injoffset(struct timespec64 offset); 423extern void __audit_ntp_log(const struct audit_ntp_data *ad); 424extern void __audit_log_nfcfg(const char *name, u8 af, unsigned int nentries, 425 enum audit_nfcfgop op, gfp_t gfp); 426 427static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp) 428{ 429 if (unlikely(!audit_dummy_context())) 430 __audit_ipc_obj(ipcp); 431} 432static inline void audit_fd_pair(int fd1, int fd2) 433{ 434 if (unlikely(!audit_dummy_context())) 435 __audit_fd_pair(fd1, fd2); 436} 437static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode) 438{ 439 if (unlikely(!audit_dummy_context())) 440 __audit_ipc_set_perm(qbytes, uid, gid, mode); 441} 442static inline void audit_bprm(struct linux_binprm *bprm) 443{ 444 if (unlikely(!audit_dummy_context())) 445 __audit_bprm(bprm); 446} 447static inline int audit_socketcall(int nargs, unsigned long *args) 448{ 449 if (unlikely(!audit_dummy_context())) 450 return __audit_socketcall(nargs, args); 451 return 0; 452} 453 454static inline int audit_socketcall_compat(int nargs, u32 *args) 455{ 456 unsigned long a[AUDITSC_ARGS]; 457 int i; 458 459 if (audit_dummy_context()) 460 return 0; 461 462 for (i = 0; i < nargs; i++) 463 a[i] = (unsigned long)args[i]; 464 return __audit_socketcall(nargs, a); 465} 466 467static inline int audit_sockaddr(int len, void *addr) 468{ 469 if (unlikely(!audit_dummy_context())) 470 return __audit_sockaddr(len, addr); 471 return 0; 472} 473static inline void audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr) 474{ 475 if (unlikely(!audit_dummy_context())) 476 __audit_mq_open(oflag, mode, attr); 477} 478static inline void audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec64 *abs_timeout) 479{ 480 if (unlikely(!audit_dummy_context())) 481 __audit_mq_sendrecv(mqdes, msg_len, msg_prio, abs_timeout); 482} 483static inline void audit_mq_notify(mqd_t mqdes, const struct sigevent *notification) 484{ 485 if (unlikely(!audit_dummy_context())) 486 __audit_mq_notify(mqdes, notification); 487} 488static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat) 489{ 490 if (unlikely(!audit_dummy_context())) 491 __audit_mq_getsetattr(mqdes, mqstat); 492} 493 494static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm, 495 const struct cred *new, 496 const struct cred *old) 497{ 498 if (unlikely(!audit_dummy_context())) 499 return __audit_log_bprm_fcaps(bprm, new, old); 500 return 0; 501} 502 503static inline void audit_log_capset(const struct cred *new, 504 const struct cred *old) 505{ 506 if (unlikely(!audit_dummy_context())) 507 __audit_log_capset(new, old); 508} 509 510static inline void audit_mmap_fd(int fd, int flags) 511{ 512 if (unlikely(!audit_dummy_context())) 513 __audit_mmap_fd(fd, flags); 514} 515 516static inline void audit_openat2_how(struct open_how *how) 517{ 518 if (unlikely(!audit_dummy_context())) 519 __audit_openat2_how(how); 520} 521 522static inline void audit_log_kern_module(char *name) 523{ 524 if (!audit_dummy_context()) 525 __audit_log_kern_module(name); 526} 527 528static inline void audit_fanotify(u32 response, struct fanotify_response_info_audit_rule *friar) 529{ 530 if (!audit_dummy_context()) 531 __audit_fanotify(response, friar); 532} 533 534static inline void audit_tk_injoffset(struct timespec64 offset) 535{ 536 /* ignore no-op events */ 537 if (offset.tv_sec == 0 && offset.tv_nsec == 0) 538 return; 539 540 if (!audit_dummy_context()) 541 __audit_tk_injoffset(offset); 542} 543 544static inline void audit_ntp_init(struct audit_ntp_data *ad) 545{ 546 memset(ad, 0, sizeof(*ad)); 547} 548 549static inline void audit_ntp_set_old(struct audit_ntp_data *ad, 550 enum audit_ntp_type type, long long val) 551{ 552 ad->vals[type].oldval = val; 553} 554 555static inline void audit_ntp_set_new(struct audit_ntp_data *ad, 556 enum audit_ntp_type type, long long val) 557{ 558 ad->vals[type].newval = val; 559} 560 561static inline void audit_ntp_log(const struct audit_ntp_data *ad) 562{ 563 if (!audit_dummy_context()) 564 __audit_ntp_log(ad); 565} 566 567static inline void audit_log_nfcfg(const char *name, u8 af, 568 unsigned int nentries, 569 enum audit_nfcfgop op, gfp_t gfp) 570{ 571 if (audit_enabled) 572 __audit_log_nfcfg(name, af, nentries, op, gfp); 573} 574 575extern int audit_n_rules; 576extern int audit_signals; 577#else /* CONFIG_AUDITSYSCALL */ 578static inline int audit_alloc(struct task_struct *task) 579{ 580 return 0; 581} 582static inline void audit_free(struct task_struct *task) 583{ } 584static inline void audit_uring_entry(u8 op) 585{ } 586static inline void audit_uring_exit(int success, long code) 587{ } 588static inline void audit_syscall_entry(int major, unsigned long a0, 589 unsigned long a1, unsigned long a2, 590 unsigned long a3) 591{ } 592static inline void audit_syscall_exit(void *pt_regs) 593{ } 594static inline bool audit_dummy_context(void) 595{ 596 return true; 597} 598static inline void audit_set_context(struct task_struct *task, struct audit_context *ctx) 599{ } 600static inline struct audit_context *audit_context(void) 601{ 602 return NULL; 603} 604static inline struct filename *audit_reusename(const __user char *name) 605{ 606 return NULL; 607} 608static inline void audit_getname(struct filename *name) 609{ } 610static inline void audit_inode(struct filename *name, 611 const struct dentry *dentry, 612 unsigned int aflags) 613{ } 614static inline void audit_file(struct file *file) 615{ 616} 617static inline void audit_inode_parent_hidden(struct filename *name, 618 const struct dentry *dentry) 619{ } 620static inline void audit_inode_child(struct inode *parent, 621 const struct dentry *dentry, 622 const unsigned char type) 623{ } 624static inline void audit_core_dumps(long signr) 625{ } 626static inline void audit_seccomp(unsigned long syscall, long signr, int code) 627{ } 628static inline void audit_seccomp_actions_logged(const char *names, 629 const char *old_names, int res) 630{ } 631static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp) 632{ } 633static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid, 634 gid_t gid, umode_t mode) 635{ } 636static inline void audit_bprm(struct linux_binprm *bprm) 637{ } 638static inline int audit_socketcall(int nargs, unsigned long *args) 639{ 640 return 0; 641} 642 643static inline int audit_socketcall_compat(int nargs, u32 *args) 644{ 645 return 0; 646} 647 648static inline void audit_fd_pair(int fd1, int fd2) 649{ } 650static inline int audit_sockaddr(int len, void *addr) 651{ 652 return 0; 653} 654static inline void audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr) 655{ } 656static inline void audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, 657 unsigned int msg_prio, 658 const struct timespec64 *abs_timeout) 659{ } 660static inline void audit_mq_notify(mqd_t mqdes, 661 const struct sigevent *notification) 662{ } 663static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat) 664{ } 665static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm, 666 const struct cred *new, 667 const struct cred *old) 668{ 669 return 0; 670} 671static inline void audit_log_capset(const struct cred *new, 672 const struct cred *old) 673{ } 674static inline void audit_mmap_fd(int fd, int flags) 675{ } 676 677static inline void audit_openat2_how(struct open_how *how) 678{ } 679 680static inline void audit_log_kern_module(char *name) 681{ 682} 683 684static inline void audit_fanotify(u32 response, struct fanotify_response_info_audit_rule *friar) 685{ } 686 687static inline void audit_tk_injoffset(struct timespec64 offset) 688{ } 689 690static inline void audit_ntp_init(struct audit_ntp_data *ad) 691{ } 692 693static inline void audit_ntp_set_old(struct audit_ntp_data *ad, 694 enum audit_ntp_type type, long long val) 695{ } 696 697static inline void audit_ntp_set_new(struct audit_ntp_data *ad, 698 enum audit_ntp_type type, long long val) 699{ } 700 701static inline void audit_ntp_log(const struct audit_ntp_data *ad) 702{ } 703 704static inline void audit_ptrace(struct task_struct *t) 705{ } 706 707static inline void audit_log_nfcfg(const char *name, u8 af, 708 unsigned int nentries, 709 enum audit_nfcfgop op, gfp_t gfp) 710{ } 711 712#define audit_n_rules 0 713#define audit_signals 0 714#endif /* CONFIG_AUDITSYSCALL */ 715 716static inline bool audit_loginuid_set(struct task_struct *tsk) 717{ 718 return uid_valid(audit_get_loginuid(tsk)); 719} 720 721#endif 722