include/linux/audit.h

   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 <uapi/linux/audit.h>
  15 #include <uapi/linux/netfilter/nf_tables.h>
  16
  17 #define AUDIT_INO_UNSET ((unsigned long)-1)
  18 #define AUDIT_DEV_UNSET ((dev_t)-1)
  19
  20 struct audit_sig_info {
  21         uid_t           uid;
  22         pid_t           pid;
  23         char            ctx[];
  24 };
  25
  26 struct audit_buffer;
  27 struct audit_context;
  28 struct inode;
  29 struct netlink_skb_parms;
  30 struct path;
  31 struct linux_binprm;
  32 struct mq_attr;
  33 struct mqstat;
  34 struct audit_watch;
  35 struct audit_tree;
  36 struct sk_buff;
  37
  38 struct audit_krule {
  39         u32                     pflags;
  40         u32                     flags;
  41         u32                     listnr;
  42         u32                     action;
  43         u32                     mask[AUDIT_BITMASK_SIZE];
  44         u32                     buflen; /* for data alloc on list rules */
  45         u32                     field_count;
  46         char                    *filterkey; /* ties events to rules */
  47         struct audit_field      *fields;
  48         struct audit_field      *arch_f; /* quick access to arch field */
  49         struct audit_field      *inode_f; /* quick access to an inode field */
  50         struct audit_watch      *watch; /* associated watch */
  51         struct audit_tree       *tree;  /* associated watched tree */
  52         struct audit_fsnotify_mark      *exe;
  53         struct list_head        rlist;  /* entry in audit_{watch,tree}.rules list */
  54         struct list_head        list;   /* for AUDIT_LIST* purposes only */
  55         u64                     prio;
  56 };
  57
  58 /* Flag to indicate legacy AUDIT_LOGINUID unset usage */
  59 #define AUDIT_LOGINUID_LEGACY           0x1
  60
  61 struct audit_field {
  62         u32                             type;
  63         union {
  64                 u32                     val;
  65                 kuid_t                  uid;
  66                 kgid_t                  gid;
  67                 struct {
  68                         char            *lsm_str;
  69                         void            *lsm_rule;
  70                 };
  71         };
  72         u32                             op;
  73 };
  74
  75 enum audit_ntp_type {
  76         AUDIT_NTP_OFFSET,
  77         AUDIT_NTP_FREQ,
  78         AUDIT_NTP_STATUS,
  79         AUDIT_NTP_TAI,
  80         AUDIT_NTP_TICK,
  81         AUDIT_NTP_ADJUST,
  82
  83         AUDIT_NTP_NVALS /* count */
  84 };
  85
  86 #ifdef CONFIG_AUDITSYSCALL
  87 struct audit_ntp_val {
  88         long long oldval, newval;
  89 };
  90
  91 struct audit_ntp_data {
  92         struct audit_ntp_val vals[AUDIT_NTP_NVALS];
  93 };
  94 #else
  95 struct audit_ntp_data {};
  96 #endif
  97
  98 enum audit_nfcfgop {
  99         AUDIT_XT_OP_REGISTER,
 100         AUDIT_XT_OP_REPLACE,
 101         AUDIT_XT_OP_UNREGISTER,
 102         AUDIT_NFT_OP_TABLE_REGISTER,
 103         AUDIT_NFT_OP_TABLE_UNREGISTER,
 104         AUDIT_NFT_OP_CHAIN_REGISTER,
 105         AUDIT_NFT_OP_CHAIN_UNREGISTER,
 106         AUDIT_NFT_OP_RULE_REGISTER,
 107         AUDIT_NFT_OP_RULE_UNREGISTER,
 108         AUDIT_NFT_OP_SET_REGISTER,
 109         AUDIT_NFT_OP_SET_UNREGISTER,
 110         AUDIT_NFT_OP_SETELEM_REGISTER,
 111         AUDIT_NFT_OP_SETELEM_UNREGISTER,
 112         AUDIT_NFT_OP_GEN_REGISTER,
 113         AUDIT_NFT_OP_OBJ_REGISTER,
 114         AUDIT_NFT_OP_OBJ_UNREGISTER,
 115         AUDIT_NFT_OP_OBJ_RESET,
 116         AUDIT_NFT_OP_FLOWTABLE_REGISTER,
 117         AUDIT_NFT_OP_FLOWTABLE_UNREGISTER,
 118         AUDIT_NFT_OP_INVALID,
 119 };
 120
 121 extern int is_audit_feature_set(int which);
 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 extern int audit_classify_compat_syscall(int abi, unsigned syscall);
 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
 198 static inline kuid_t audit_get_loginuid(struct task_struct *tsk)
 199 {
 200         return tsk->loginuid;
 201 }
 202
 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)
 214 void audit_log(struct audit_context *ctx, gfp_t gfp_mask, int type,
 215                const char *fmt, ...)
 216 { }
 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)
 223 void audit_log_format(struct audit_buffer *ab, const char *fmt, ...)
 224 { }
 225 static inline void audit_log_end(struct audit_buffer *ab)
 226 { }
 227 static inline void audit_log_n_hex(struct audit_buffer *ab,
 228                                    const unsigned char *buf, size_t len)
 229 { }
 230 static inline void audit_log_n_string(struct audit_buffer *ab,
 231                                       const char *buf, size_t n)
 232 { }
 233 static inline void  audit_log_n_untrustedstring(struct audit_buffer *ab,
 234                                                 const char *string, size_t n)
 235 { }
 236 static inline void audit_log_untrustedstring(struct audit_buffer *ab,
 237                                              const char *string)
 238 { }
 239 static inline void audit_log_d_path(struct audit_buffer *ab,
 240                                     const char *prefix,
 241                                     const struct path *path)
 242 { }
 243 static inline void audit_log_key(struct audit_buffer *ab, char *key)
 244 { }
 245 static inline void audit_log_path_denied(int type, const char *operation)
 246 { }
 247 static inline int audit_log_task_context(struct audit_buffer *ab)
 248 {
 249         return 0;
 250 }
 251 static inline void audit_log_task_info(struct audit_buffer *ab)
 252 { }
 253
 254 static inline kuid_t audit_get_loginuid(struct task_struct *tsk)
 255 {
 256         return INVALID_UID;
 257 }
 258
 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
 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_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_syscall_entry(int major, unsigned long a0,
 327                                        unsigned long a1, unsigned long a2,
 328                                        unsigned long a3)
 329 {
 330         if (unlikely(audit_context()))
 331                 __audit_syscall_entry(major, a0, a1, a2, a3);
 332 }
 333 static inline void audit_syscall_exit(void *pt_regs)
 334 {
 335         if (unlikely(audit_context())) {
 336                 int success = is_syscall_success(pt_regs);
 337                 long return_code = regs_return_value(pt_regs);
 338
 339                 __audit_syscall_exit(success, return_code);
 340         }
 341 }
 342 static inline struct filename *audit_reusename(const __user char *name)
 343 {
 344         if (unlikely(!audit_dummy_context()))
 345                 return __audit_reusename(name);
 346         return NULL;
 347 }
 348 static inline void audit_getname(struct filename *name)
 349 {
 350         if (unlikely(!audit_dummy_context()))
 351                 __audit_getname(name);
 352 }
 353 static inline void audit_inode(struct filename *name,
 354                                 const struct dentry *dentry,
 355                                 unsigned int aflags) {
 356         if (unlikely(!audit_dummy_context()))
 357                 __audit_inode(name, dentry, aflags);
 358 }
 359 static inline void audit_file(struct file *file)
 360 {
 361         if (unlikely(!audit_dummy_context()))
 362                 __audit_file(file);
 363 }
 364 static inline void audit_inode_parent_hidden(struct filename *name,
 365                                                 const struct dentry *dentry)
 366 {
 367         if (unlikely(!audit_dummy_context()))
 368                 __audit_inode(name, dentry,
 369                                 AUDIT_INODE_PARENT | AUDIT_INODE_HIDDEN);
 370 }
 371 static inline void audit_inode_child(struct inode *parent,
 372                                      const struct dentry *dentry,
 373                                      const unsigned char type) {
 374         if (unlikely(!audit_dummy_context()))
 375                 __audit_inode_child(parent, dentry, type);
 376 }
 377 void audit_core_dumps(long signr);
 378
 379 static inline void audit_ptrace(struct task_struct *t)
 380 {
 381         if (unlikely(!audit_dummy_context()))
 382                 __audit_ptrace(t);
 383 }
 384
 385                                 /* Private API (for audit.c only) */
 386 extern void __audit_ipc_obj(struct kern_ipc_perm *ipcp);
 387 extern void __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode);
 388 extern void __audit_bprm(struct linux_binprm *bprm);
 389 extern int __audit_socketcall(int nargs, unsigned long *args);
 390 extern int __audit_sockaddr(int len, void *addr);
 391 extern void __audit_fd_pair(int fd1, int fd2);
 392 extern void __audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr);
 393 extern void __audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec64 *abs_timeout);
 394 extern void __audit_mq_notify(mqd_t mqdes, const struct sigevent *notification);
 395 extern void __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat);
 396 extern int __audit_log_bprm_fcaps(struct linux_binprm *bprm,
 397                                   const struct cred *new,
 398                                   const struct cred *old);
 399 extern void __audit_log_capset(const struct cred *new, const struct cred *old);
 400 extern void __audit_mmap_fd(int fd, int flags);
 401 extern void __audit_log_kern_module(char *name);
 402 extern void __audit_fanotify(unsigned int response);
 403 extern void __audit_tk_injoffset(struct timespec64 offset);
 404 extern void __audit_ntp_log(const struct audit_ntp_data *ad);
 405 extern void __audit_log_nfcfg(const char *name, u8 af, unsigned int nentries,
 406                               enum audit_nfcfgop op, gfp_t gfp);
 407
 408 static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp)
 409 {
 410         if (unlikely(!audit_dummy_context()))
 411                 __audit_ipc_obj(ipcp);
 412 }
 413 static inline void audit_fd_pair(int fd1, int fd2)
 414 {
 415         if (unlikely(!audit_dummy_context()))
 416                 __audit_fd_pair(fd1, fd2);
 417 }
 418 static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode)
 419 {
 420         if (unlikely(!audit_dummy_context()))
 421                 __audit_ipc_set_perm(qbytes, uid, gid, mode);
 422 }
 423 static inline void audit_bprm(struct linux_binprm *bprm)
 424 {
 425         if (unlikely(!audit_dummy_context()))
 426                 __audit_bprm(bprm);
 427 }
 428 static inline int audit_socketcall(int nargs, unsigned long *args)
 429 {
 430         if (unlikely(!audit_dummy_context()))
 431                 return __audit_socketcall(nargs, args);
 432         return 0;
 433 }
 434
 435 static inline int audit_socketcall_compat(int nargs, u32 *args)
 436 {
 437         unsigned long a[AUDITSC_ARGS];
 438         int i;
 439
 440         if (audit_dummy_context())
 441                 return 0;
 442
 443         for (i = 0; i < nargs; i++)
 444                 a[i] = (unsigned long)args[i];
 445         return __audit_socketcall(nargs, a);
 446 }
 447
 448 static inline int audit_sockaddr(int len, void *addr)
 449 {
 450         if (unlikely(!audit_dummy_context()))
 451                 return __audit_sockaddr(len, addr);
 452         return 0;
 453 }
 454 static inline void audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr)
 455 {
 456         if (unlikely(!audit_dummy_context()))
 457                 __audit_mq_open(oflag, mode, attr);
 458 }
 459 static inline void audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec64 *abs_timeout)
 460 {
 461         if (unlikely(!audit_dummy_context()))
 462                 __audit_mq_sendrecv(mqdes, msg_len, msg_prio, abs_timeout);
 463 }
 464 static inline void audit_mq_notify(mqd_t mqdes, const struct sigevent *notification)
 465 {
 466         if (unlikely(!audit_dummy_context()))
 467                 __audit_mq_notify(mqdes, notification);
 468 }
 469 static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat)
 470 {
 471         if (unlikely(!audit_dummy_context()))
 472                 __audit_mq_getsetattr(mqdes, mqstat);
 473 }
 474
 475 static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm,
 476                                        const struct cred *new,
 477                                        const struct cred *old)
 478 {
 479         if (unlikely(!audit_dummy_context()))
 480                 return __audit_log_bprm_fcaps(bprm, new, old);
 481         return 0;
 482 }
 483
 484 static inline void audit_log_capset(const struct cred *new,
 485                                    const struct cred *old)
 486 {
 487         if (unlikely(!audit_dummy_context()))
 488                 __audit_log_capset(new, old);
 489 }
 490
 491 static inline void audit_mmap_fd(int fd, int flags)
 492 {
 493         if (unlikely(!audit_dummy_context()))
 494                 __audit_mmap_fd(fd, flags);
 495 }
 496
 497 static inline void audit_log_kern_module(char *name)
 498 {
 499         if (!audit_dummy_context())
 500                 __audit_log_kern_module(name);
 501 }
 502
 503 static inline void audit_fanotify(unsigned int response)
 504 {
 505         if (!audit_dummy_context())
 506                 __audit_fanotify(response);
 507 }
 508
 509 static inline void audit_tk_injoffset(struct timespec64 offset)
 510 {
 511         /* ignore no-op events */
 512         if (offset.tv_sec == 0 && offset.tv_nsec == 0)
 513                 return;
 514
 515         if (!audit_dummy_context())
 516                 __audit_tk_injoffset(offset);
 517 }
 518
 519 static inline void audit_ntp_init(struct audit_ntp_data *ad)
 520 {
 521         memset(ad, 0, sizeof(*ad));
 522 }
 523
 524 static inline void audit_ntp_set_old(struct audit_ntp_data *ad,
 525                                      enum audit_ntp_type type, long long val)
 526 {
 527         ad->vals[type].oldval = val;
 528 }
 529
 530 static inline void audit_ntp_set_new(struct audit_ntp_data *ad,
 531                                      enum audit_ntp_type type, long long val)
 532 {
 533         ad->vals[type].newval = val;
 534 }
 535
 536 static inline void audit_ntp_log(const struct audit_ntp_data *ad)
 537 {
 538         if (!audit_dummy_context())
 539                 __audit_ntp_log(ad);
 540 }
 541
 542 static inline void audit_log_nfcfg(const char *name, u8 af,
 543                                    unsigned int nentries,
 544                                    enum audit_nfcfgop op, gfp_t gfp)
 545 {
 546         if (audit_enabled)
 547                 __audit_log_nfcfg(name, af, nentries, op, gfp);
 548 }
 549
 550 extern int audit_n_rules;
 551 extern int audit_signals;
 552 #else /* CONFIG_AUDITSYSCALL */
 553 static inline int audit_alloc(struct task_struct *task)
 554 {
 555         return 0;
 556 }
 557 static inline void audit_free(struct task_struct *task)
 558 { }
 559 static inline void audit_syscall_entry(int major, unsigned long a0,
 560                                        unsigned long a1, unsigned long a2,
 561                                        unsigned long a3)
 562 { }
 563 static inline void audit_syscall_exit(void *pt_regs)
 564 { }
 565 static inline bool audit_dummy_context(void)
 566 {
 567         return true;
 568 }
 569 static inline void audit_set_context(struct task_struct *task, struct audit_context *ctx)
 570 { }
 571 static inline struct audit_context *audit_context(void)
 572 {
 573         return NULL;
 574 }
 575 static inline struct filename *audit_reusename(const __user char *name)
 576 {
 577         return NULL;
 578 }
 579 static inline void audit_getname(struct filename *name)
 580 { }
 581 static inline void audit_inode(struct filename *name,
 582                                 const struct dentry *dentry,
 583                                 unsigned int aflags)
 584 { }
 585 static inline void audit_file(struct file *file)
 586 {
 587 }
 588 static inline void audit_inode_parent_hidden(struct filename *name,
 589                                 const struct dentry *dentry)
 590 { }
 591 static inline void audit_inode_child(struct inode *parent,
 592                                      const struct dentry *dentry,
 593                                      const unsigned char type)
 594 { }
 595 static inline void audit_core_dumps(long signr)
 596 { }
 597 static inline void audit_seccomp(unsigned long syscall, long signr, int code)
 598 { }
 599 static inline void audit_seccomp_actions_logged(const char *names,
 600                                                 const char *old_names, int res)
 601 { }
 602 static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp)
 603 { }
 604 static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid,
 605                                         gid_t gid, umode_t mode)
 606 { }
 607 static inline void audit_bprm(struct linux_binprm *bprm)
 608 { }
 609 static inline int audit_socketcall(int nargs, unsigned long *args)
 610 {
 611         return 0;
 612 }
 613
 614 static inline int audit_socketcall_compat(int nargs, u32 *args)
 615 {
 616         return 0;
 617 }
 618
 619 static inline void audit_fd_pair(int fd1, int fd2)
 620 { }
 621 static inline int audit_sockaddr(int len, void *addr)
 622 {
 623         return 0;
 624 }
 625 static inline void audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr)
 626 { }
 627 static inline void audit_mq_sendrecv(mqd_t mqdes, size_t msg_len,
 628                                      unsigned int msg_prio,
 629                                      const struct timespec64 *abs_timeout)
 630 { }
 631 static inline void audit_mq_notify(mqd_t mqdes,
 632                                    const struct sigevent *notification)
 633 { }
 634 static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat)
 635 { }
 636 static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm,
 637                                        const struct cred *new,
 638                                        const struct cred *old)
 639 {
 640         return 0;
 641 }
 642 static inline void audit_log_capset(const struct cred *new,
 643                                     const struct cred *old)
 644 { }
 645 static inline void audit_mmap_fd(int fd, int flags)
 646 { }
 647
 648 static inline void audit_log_kern_module(char *name)
 649 {
 650 }
 651
 652 static inline void audit_fanotify(unsigned int response)
 653 { }
 654
 655 static inline void audit_tk_injoffset(struct timespec64 offset)
 656 { }
 657
 658 static inline void audit_ntp_init(struct audit_ntp_data *ad)
 659 { }
 660
 661 static inline void audit_ntp_set_old(struct audit_ntp_data *ad,
 662                                      enum audit_ntp_type type, long long val)
 663 { }
 664
 665 static inline void audit_ntp_set_new(struct audit_ntp_data *ad,
 666                                      enum audit_ntp_type type, long long val)
 667 { }
 668
 669 static inline void audit_ntp_log(const struct audit_ntp_data *ad)
 670 { }
 671
 672 static inline void audit_ptrace(struct task_struct *t)
 673 { }
 674
 675 static inline void audit_log_nfcfg(const char *name, u8 af,
 676                                    unsigned int nentries,
 677                                    enum audit_nfcfgop op, gfp_t gfp)
 678 { }
 679
 680 #define audit_n_rules 0
 681 #define audit_signals 0
 682 #endif /* CONFIG_AUDITSYSCALL */
 683
 684 static inline bool audit_loginuid_set(struct task_struct *tsk)
 685 {
 686         return uid_valid(audit_get_loginuid(tsk));
 687 }
 688
 689 #endif