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 <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 struct kern_ipc_perm;
  40
  41 struct 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
  64 struct 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
  78 enum 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
  90 struct audit_ntp_val {
  91         long long oldval, newval;
  92 };
  93
  94 struct audit_ntp_data {
  95         struct audit_ntp_val vals[AUDIT_NTP_NVALS];
  96 };
  97 #else
  98 struct audit_ntp_data {};
  99 #endif
 100
 101 enum 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
 126 extern int __init audit_register_class(int class, unsigned *list);
 127 extern int audit_classify_syscall(int abi, unsigned syscall);
 128 extern int audit_classify_arch(int arch);
 129 /* only for compat system calls */
 130 extern unsigned compat_write_class[];
 131 extern unsigned compat_read_class[];
 132 extern unsigned compat_dir_class[];
 133 extern unsigned compat_chattr_class[];
 134 extern 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
 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 void __audit_free(struct task_struct *task);
 291 extern void __audit_uring_entry(u8 op);
 292 extern void __audit_uring_exit(int success, long code);
 293 extern void __audit_syscall_entry(int major, unsigned long a0, unsigned long a1,
 294                                   unsigned long a2, unsigned long a3);
 295 extern void __audit_syscall_exit(int ret_success, long ret_value);
 296 extern struct filename *__audit_reusename(const __user char *uptr);
 297 extern void __audit_getname(struct filename *name);
 298 extern void __audit_inode(struct filename *name, const struct dentry *dentry,
 299                                 unsigned int flags);
 300 extern void __audit_file(const struct file *);
 301 extern void __audit_inode_child(struct inode *parent,
 302                                 const struct dentry *dentry,
 303                                 const unsigned char type);
 304 extern void audit_seccomp(unsigned long syscall, long signr, int code);
 305 extern void audit_seccomp_actions_logged(const char *names,
 306                                          const char *old_names, int res);
 307 extern void __audit_ptrace(struct task_struct *t);
 308
 309 static inline void audit_set_context(struct task_struct *task, struct audit_context *ctx)
 310 {
 311         task->audit_context = ctx;
 312 }
 313
 314 static inline struct audit_context *audit_context(void)
 315 {
 316         return current->audit_context;
 317 }
 318
 319 static inline bool audit_dummy_context(void)
 320 {
 321         void *p = audit_context();
 322         return !p || *(int *)p;
 323 }
 324 static inline void audit_free(struct task_struct *task)
 325 {
 326         if (unlikely(task->audit_context))
 327                 __audit_free(task);
 328 }
 329 static 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 }
 339 static inline void audit_uring_exit(int success, long code)
 340 {
 341         if (unlikely(audit_context()))
 342                 __audit_uring_exit(success, code);
 343 }
 344 static 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 }
 351 static 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 }
 360 static 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 }
 366 static inline void audit_getname(struct filename *name)
 367 {
 368         if (unlikely(!audit_dummy_context()))
 369                 __audit_getname(name);
 370 }
 371 static 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 }
 377 static inline void audit_file(struct file *file)
 378 {
 379         if (unlikely(!audit_dummy_context()))
 380                 __audit_file(file);
 381 }
 382 static 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 }
 389 static 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 }
 395 void audit_core_dumps(long signr);
 396
 397 static 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) */
 404 extern void __audit_ipc_obj(struct kern_ipc_perm *ipcp);
 405 extern void __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode);
 406 extern void __audit_bprm(struct linux_binprm *bprm);
 407 extern int __audit_socketcall(int nargs, unsigned long *args);
 408 extern int __audit_sockaddr(int len, void *addr);
 409 extern void __audit_fd_pair(int fd1, int fd2);
 410 extern void __audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr);
 411 extern void __audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec64 *abs_timeout);
 412 extern void __audit_mq_notify(mqd_t mqdes, const struct sigevent *notification);
 413 extern void __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat);
 414 extern int __audit_log_bprm_fcaps(struct linux_binprm *bprm,
 415                                   const struct cred *new,
 416                                   const struct cred *old);
 417 extern void __audit_log_capset(const struct cred *new, const struct cred *old);
 418 extern void __audit_mmap_fd(int fd, int flags);
 419 extern void __audit_openat2_how(struct open_how *how);
 420 extern void __audit_log_kern_module(char *name);
 421 extern void __audit_fanotify(u32 response, struct fanotify_response_info_audit_rule *friar);
 422 extern void __audit_tk_injoffset(struct timespec64 offset);
 423 extern void __audit_ntp_log(const struct audit_ntp_data *ad);
 424 extern void __audit_log_nfcfg(const char *name, u8 af, unsigned int nentries,
 425                               enum audit_nfcfgop op, gfp_t gfp);
 426
 427 static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp)
 428 {
 429         if (unlikely(!audit_dummy_context()))
 430                 __audit_ipc_obj(ipcp);
 431 }
 432 static inline void audit_fd_pair(int fd1, int fd2)
 433 {
 434         if (unlikely(!audit_dummy_context()))
 435                 __audit_fd_pair(fd1, fd2);
 436 }
 437 static 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 }
 442 static inline void audit_bprm(struct linux_binprm *bprm)
 443 {
 444         if (unlikely(!audit_dummy_context()))
 445                 __audit_bprm(bprm);
 446 }
 447 static 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
 454 static 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
 467 static 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 }
 473 static 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 }
 478 static 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 }
 483 static 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 }
 488 static 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
 494 static 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
 503 static 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
 510 static inline void audit_mmap_fd(int fd, int flags)
 511 {
 512         if (unlikely(!audit_dummy_context()))
 513                 __audit_mmap_fd(fd, flags);
 514 }
 515
 516 static inline void audit_openat2_how(struct open_how *how)
 517 {
 518         if (unlikely(!audit_dummy_context()))
 519                 __audit_openat2_how(how);
 520 }
 521
 522 static inline void audit_log_kern_module(char *name)
 523 {
 524         if (!audit_dummy_context())
 525                 __audit_log_kern_module(name);
 526 }
 527
 528 static 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
 534 static 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
 544 static inline void audit_ntp_init(struct audit_ntp_data *ad)
 545 {
 546         memset(ad, 0, sizeof(*ad));
 547 }
 548
 549 static 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
 555 static 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
 561 static inline void audit_ntp_log(const struct audit_ntp_data *ad)
 562 {
 563         if (!audit_dummy_context())
 564                 __audit_ntp_log(ad);
 565 }
 566
 567 static 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
 575 extern int audit_n_rules;
 576 extern int audit_signals;
 577 #else /* CONFIG_AUDITSYSCALL */
 578 static inline int audit_alloc(struct task_struct *task)
 579 {
 580         return 0;
 581 }
 582 static inline void audit_free(struct task_struct *task)
 583 { }
 584 static inline void audit_uring_entry(u8 op)
 585 { }
 586 static inline void audit_uring_exit(int success, long code)
 587 { }
 588 static inline void audit_syscall_entry(int major, unsigned long a0,
 589                                        unsigned long a1, unsigned long a2,
 590                                        unsigned long a3)
 591 { }
 592 static inline void audit_syscall_exit(void *pt_regs)
 593 { }
 594 static inline bool audit_dummy_context(void)
 595 {
 596         return true;
 597 }
 598 static inline void audit_set_context(struct task_struct *task, struct audit_context *ctx)
 599 { }
 600 static inline struct audit_context *audit_context(void)
 601 {
 602         return NULL;
 603 }
 604 static inline struct filename *audit_reusename(const __user char *name)
 605 {
 606         return NULL;
 607 }
 608 static inline void audit_getname(struct filename *name)
 609 { }
 610 static inline void audit_inode(struct filename *name,
 611                                 const struct dentry *dentry,
 612                                 unsigned int aflags)
 613 { }
 614 static inline void audit_file(struct file *file)
 615 {
 616 }
 617 static inline void audit_inode_parent_hidden(struct filename *name,
 618                                 const struct dentry *dentry)
 619 { }
 620 static inline void audit_inode_child(struct inode *parent,
 621                                      const struct dentry *dentry,
 622                                      const unsigned char type)
 623 { }
 624 static inline void audit_core_dumps(long signr)
 625 { }
 626 static inline void audit_seccomp(unsigned long syscall, long signr, int code)
 627 { }
 628 static inline void audit_seccomp_actions_logged(const char *names,
 629                                                 const char *old_names, int res)
 630 { }
 631 static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp)
 632 { }
 633 static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid,
 634                                         gid_t gid, umode_t mode)
 635 { }
 636 static inline void audit_bprm(struct linux_binprm *bprm)
 637 { }
 638 static inline int audit_socketcall(int nargs, unsigned long *args)
 639 {
 640         return 0;
 641 }
 642
 643 static inline int audit_socketcall_compat(int nargs, u32 *args)
 644 {
 645         return 0;
 646 }
 647
 648 static inline void audit_fd_pair(int fd1, int fd2)
 649 { }
 650 static inline int audit_sockaddr(int len, void *addr)
 651 {
 652         return 0;
 653 }
 654 static inline void audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr)
 655 { }
 656 static inline void audit_mq_sendrecv(mqd_t mqdes, size_t msg_len,
 657                                      unsigned int msg_prio,
 658                                      const struct timespec64 *abs_timeout)
 659 { }
 660 static inline void audit_mq_notify(mqd_t mqdes,
 661                                    const struct sigevent *notification)
 662 { }
 663 static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat)
 664 { }
 665 static 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 }
 671 static inline void audit_log_capset(const struct cred *new,
 672                                     const struct cred *old)
 673 { }
 674 static inline void audit_mmap_fd(int fd, int flags)
 675 { }
 676
 677 static inline void audit_openat2_how(struct open_how *how)
 678 { }
 679
 680 static inline void audit_log_kern_module(char *name)
 681 {
 682 }
 683
 684 static inline void audit_fanotify(u32 response, struct fanotify_response_info_audit_rule *friar)
 685 { }
 686
 687 static inline void audit_tk_injoffset(struct timespec64 offset)
 688 { }
 689
 690 static inline void audit_ntp_init(struct audit_ntp_data *ad)
 691 { }
 692
 693 static inline void audit_ntp_set_old(struct audit_ntp_data *ad,
 694                                      enum audit_ntp_type type, long long val)
 695 { }
 696
 697 static inline void audit_ntp_set_new(struct audit_ntp_data *ad,
 698                                      enum audit_ntp_type type, long long val)
 699 { }
 700
 701 static inline void audit_ntp_log(const struct audit_ntp_data *ad)
 702 { }
 703
 704 static inline void audit_ptrace(struct task_struct *t)
 705 { }
 706
 707 static 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
 716 static inline bool audit_loginuid_set(struct task_struct *tsk)
 717 {
 718         return uid_valid(audit_get_loginuid(tsk));
 719 }
 720
 721 #endif