include/linux/audit.h

   1 /* audit.h -- Auditing support
   2  *
   3  * Copyright 2003-2004 Red Hat Inc., Durham, North Carolina.
   4  * All Rights Reserved.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  * Written by Rickard E. (Rik) Faith <faith@redhat.com>
  21  *
  22  */
  23 #ifndef _LINUX_AUDIT_H_
  24 #define _LINUX_AUDIT_H_
  25
  26 #include <linux/sched.h>
  27 #include <linux/ptrace.h>
  28 #include <linux/namei.h>  /* LOOKUP_* */
  29 #include <uapi/linux/audit.h>
  30
  31 #define AUDIT_INO_UNSET ((unsigned long)-1)
  32 #define AUDIT_DEV_UNSET ((dev_t)-1)
  33
  34 struct audit_sig_info {
  35         uid_t           uid;
  36         pid_t           pid;
  37         char            ctx[0];
  38 };
  39
  40 struct audit_buffer;
  41 struct audit_context;
  42 struct inode;
  43 struct netlink_skb_parms;
  44 struct path;
  45 struct linux_binprm;
  46 struct mq_attr;
  47 struct mqstat;
  48 struct audit_watch;
  49 struct audit_tree;
  50 struct sk_buff;
  51
  52 struct audit_krule {
  53         u32                     pflags;
  54         u32                     flags;
  55         u32                     listnr;
  56         u32                     action;
  57         u32                     mask[AUDIT_BITMASK_SIZE];
  58         u32                     buflen; /* for data alloc on list rules */
  59         u32                     field_count;
  60         char                    *filterkey; /* ties events to rules */
  61         struct audit_field      *fields;
  62         struct audit_field      *arch_f; /* quick access to arch field */
  63         struct audit_field      *inode_f; /* quick access to an inode field */
  64         struct audit_watch      *watch; /* associated watch */
  65         struct audit_tree       *tree;  /* associated watched tree */
  66         struct audit_fsnotify_mark      *exe;
  67         struct list_head        rlist;  /* entry in audit_{watch,tree}.rules list */
  68         struct list_head        list;   /* for AUDIT_LIST* purposes only */
  69         u64                     prio;
  70 };
  71
  72 /* Flag to indicate legacy AUDIT_LOGINUID unset usage */
  73 #define AUDIT_LOGINUID_LEGACY           0x1
  74
  75 struct audit_field {
  76         u32                             type;
  77         union {
  78                 u32                     val;
  79                 kuid_t                  uid;
  80                 kgid_t                  gid;
  81                 struct {
  82                         char            *lsm_str;
  83                         void            *lsm_rule;
  84                 };
  85         };
  86         u32                             op;
  87 };
  88
  89 enum audit_ntp_type {
  90         AUDIT_NTP_OFFSET,
  91         AUDIT_NTP_FREQ,
  92         AUDIT_NTP_STATUS,
  93         AUDIT_NTP_TAI,
  94         AUDIT_NTP_TICK,
  95         AUDIT_NTP_ADJUST,
  96
  97         AUDIT_NTP_NVALS /* count */
  98 };
  99
 100 #ifdef CONFIG_AUDITSYSCALL
 101 struct audit_ntp_val {
 102         long long oldval, newval;
 103 };
 104
 105 struct audit_ntp_data {
 106         struct audit_ntp_val vals[AUDIT_NTP_NVALS];
 107 };
 108 #else
 109 struct audit_ntp_data {};
 110 #endif
 111
 112 extern int is_audit_feature_set(int which);
 113
 114 extern int __init audit_register_class(int class, unsigned *list);
 115 extern int audit_classify_syscall(int abi, unsigned syscall);
 116 extern int audit_classify_arch(int arch);
 117 /* only for compat system calls */
 118 extern unsigned compat_write_class[];
 119 extern unsigned compat_read_class[];
 120 extern unsigned compat_dir_class[];
 121 extern unsigned compat_chattr_class[];
 122 extern unsigned compat_signal_class[];
 123
 124 extern int audit_classify_compat_syscall(int abi, unsigned syscall);
 125
 126 /* audit_names->type values */
 127 #define AUDIT_TYPE_UNKNOWN      0       /* we don't know yet */
 128 #define AUDIT_TYPE_NORMAL       1       /* a "normal" audit record */
 129 #define AUDIT_TYPE_PARENT       2       /* a parent audit record */
 130 #define AUDIT_TYPE_CHILD_DELETE 3       /* a child being deleted */
 131 #define AUDIT_TYPE_CHILD_CREATE 4       /* a child being created */
 132
 133 /* maximized args number that audit_socketcall can process */
 134 #define AUDITSC_ARGS            6
 135
 136 /* bit values for ->signal->audit_tty */
 137 #define AUDIT_TTY_ENABLE        BIT(0)
 138 #define AUDIT_TTY_LOG_PASSWD    BIT(1)
 139
 140 struct filename;
 141
 142 #define AUDIT_OFF       0
 143 #define AUDIT_ON        1
 144 #define AUDIT_LOCKED    2
 145 #ifdef CONFIG_AUDIT
 146 /* These are defined in audit.c */
 147                                 /* Public API */
 148 extern __printf(4, 5)
 149 void audit_log(struct audit_context *ctx, gfp_t gfp_mask, int type,
 150                const char *fmt, ...);
 151
 152 extern struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp_mask, int type);
 153 extern __printf(2, 3)
 154 void audit_log_format(struct audit_buffer *ab, const char *fmt, ...);
 155 extern void                 audit_log_end(struct audit_buffer *ab);
 156 extern bool                 audit_string_contains_control(const char *string,
 157                                                           size_t len);
 158 extern void                 audit_log_n_hex(struct audit_buffer *ab,
 159                                           const unsigned char *buf,
 160                                           size_t len);
 161 extern void                 audit_log_n_string(struct audit_buffer *ab,
 162                                                const char *buf,
 163                                                size_t n);
 164 extern void                 audit_log_n_untrustedstring(struct audit_buffer *ab,
 165                                                         const char *string,
 166                                                         size_t n);
 167 extern void                 audit_log_untrustedstring(struct audit_buffer *ab,
 168                                                       const char *string);
 169 extern void                 audit_log_d_path(struct audit_buffer *ab,
 170                                              const char *prefix,
 171                                              const struct path *path);
 172 extern void                 audit_log_key(struct audit_buffer *ab,
 173                                           char *key);
 174 extern void                 audit_log_link_denied(const char *operation);
 175 extern void                 audit_log_lost(const char *message);
 176
 177 extern int audit_log_task_context(struct audit_buffer *ab);
 178 extern void audit_log_task_info(struct audit_buffer *ab);
 179
 180 extern int                  audit_update_lsm_rules(void);
 181
 182                                 /* Private API (for audit.c only) */
 183 extern int audit_rule_change(int type, int seq, void *data, size_t datasz);
 184 extern int audit_list_rules_send(struct sk_buff *request_skb, int seq);
 185
 186 extern int audit_set_loginuid(kuid_t loginuid);
 187
 188 static inline kuid_t audit_get_loginuid(struct task_struct *tsk)
 189 {
 190         return tsk->loginuid;
 191 }
 192
 193 static inline unsigned int audit_get_sessionid(struct task_struct *tsk)
 194 {
 195         return tsk->sessionid;
 196 }
 197
 198 extern u32 audit_enabled;
 199 #else /* CONFIG_AUDIT */
 200 static inline __printf(4, 5)
 201 void audit_log(struct audit_context *ctx, gfp_t gfp_mask, int type,
 202                const char *fmt, ...)
 203 { }
 204 static inline struct audit_buffer *audit_log_start(struct audit_context *ctx,
 205                                                    gfp_t gfp_mask, int type)
 206 {
 207         return NULL;
 208 }
 209 static inline __printf(2, 3)
 210 void audit_log_format(struct audit_buffer *ab, const char *fmt, ...)
 211 { }
 212 static inline void audit_log_end(struct audit_buffer *ab)
 213 { }
 214 static inline void audit_log_n_hex(struct audit_buffer *ab,
 215                                    const unsigned char *buf, size_t len)
 216 { }
 217 static inline void audit_log_n_string(struct audit_buffer *ab,
 218                                       const char *buf, size_t n)
 219 { }
 220 static inline void  audit_log_n_untrustedstring(struct audit_buffer *ab,
 221                                                 const char *string, size_t n)
 222 { }
 223 static inline void audit_log_untrustedstring(struct audit_buffer *ab,
 224                                              const char *string)
 225 { }
 226 static inline void audit_log_d_path(struct audit_buffer *ab,
 227                                     const char *prefix,
 228                                     const struct path *path)
 229 { }
 230 static inline void audit_log_key(struct audit_buffer *ab, char *key)
 231 { }
 232 static inline void audit_log_link_denied(const char *string)
 233 { }
 234 static inline int audit_log_task_context(struct audit_buffer *ab)
 235 {
 236         return 0;
 237 }
 238 static inline void audit_log_task_info(struct audit_buffer *ab)
 239 { }
 240
 241 static inline kuid_t audit_get_loginuid(struct task_struct *tsk)
 242 {
 243         return INVALID_UID;
 244 }
 245
 246 static inline unsigned int audit_get_sessionid(struct task_struct *tsk)
 247 {
 248         return AUDIT_SID_UNSET;
 249 }
 250
 251 #define audit_enabled AUDIT_OFF
 252 #endif /* CONFIG_AUDIT */
 253
 254 #ifdef CONFIG_AUDIT_COMPAT_GENERIC
 255 #define audit_is_compat(arch)  (!((arch) & __AUDIT_ARCH_64BIT))
 256 #else
 257 #define audit_is_compat(arch)  false
 258 #endif
 259
 260 #ifdef CONFIG_AUDITSYSCALL
 261 #include <asm/syscall.h> /* for syscall_get_arch() */
 262
 263 /* These are defined in auditsc.c */
 264                                 /* Public API */
 265 extern int  audit_alloc(struct task_struct *task);
 266 extern void __audit_free(struct task_struct *task);
 267 extern void __audit_syscall_entry(int major, unsigned long a0, unsigned long a1,
 268                                   unsigned long a2, unsigned long a3);
 269 extern void __audit_syscall_exit(int ret_success, long ret_value);
 270 extern struct filename *__audit_reusename(const __user char *uptr);
 271 extern void __audit_getname(struct filename *name);
 272
 273 #define AUDIT_INODE_PARENT      1       /* dentry represents the parent */
 274 #define AUDIT_INODE_HIDDEN      2       /* audit record should be hidden */
 275 #define AUDIT_INODE_NOEVAL      4       /* audit record incomplete */
 276 extern void __audit_inode(struct filename *name, const struct dentry *dentry,
 277                                 unsigned int flags);
 278 extern void __audit_file(const struct file *);
 279 extern void __audit_inode_child(struct inode *parent,
 280                                 const struct dentry *dentry,
 281                                 const unsigned char type);
 282 extern void audit_seccomp(unsigned long syscall, long signr, int code);
 283 extern void audit_seccomp_actions_logged(const char *names,
 284                                          const char *old_names, int res);
 285 extern void __audit_ptrace(struct task_struct *t);
 286
 287 static inline void audit_set_context(struct task_struct *task, struct audit_context *ctx)
 288 {
 289         task->audit_context = ctx;
 290 }
 291
 292 static inline struct audit_context *audit_context(void)
 293 {
 294         return current->audit_context;
 295 }
 296
 297 static inline bool audit_dummy_context(void)
 298 {
 299         void *p = audit_context();
 300         return !p || *(int *)p;
 301 }
 302 static inline void audit_free(struct task_struct *task)
 303 {
 304         if (unlikely(task->audit_context))
 305                 __audit_free(task);
 306 }
 307 static inline void audit_syscall_entry(int major, unsigned long a0,
 308                                        unsigned long a1, unsigned long a2,
 309                                        unsigned long a3)
 310 {
 311         if (unlikely(audit_context()))
 312                 __audit_syscall_entry(major, a0, a1, a2, a3);
 313 }
 314 static inline void audit_syscall_exit(void *pt_regs)
 315 {
 316         if (unlikely(audit_context())) {
 317                 int success = is_syscall_success(pt_regs);
 318                 long return_code = regs_return_value(pt_regs);
 319
 320                 __audit_syscall_exit(success, return_code);
 321         }
 322 }
 323 static inline struct filename *audit_reusename(const __user char *name)
 324 {
 325         if (unlikely(!audit_dummy_context()))
 326                 return __audit_reusename(name);
 327         return NULL;
 328 }
 329 static inline void audit_getname(struct filename *name)
 330 {
 331         if (unlikely(!audit_dummy_context()))
 332                 __audit_getname(name);
 333 }
 334 static inline void audit_inode(struct filename *name,
 335                                 const struct dentry *dentry,
 336                                 unsigned int flags) {
 337         if (unlikely(!audit_dummy_context())) {
 338                 unsigned int aflags = 0;
 339
 340                 if (flags & LOOKUP_PARENT)
 341                         aflags |= AUDIT_INODE_PARENT;
 342                 if (flags & LOOKUP_NO_EVAL)
 343                         aflags |= AUDIT_INODE_NOEVAL;
 344                 __audit_inode(name, dentry, aflags);
 345         }
 346 }
 347 static inline void audit_file(struct file *file)
 348 {
 349         if (unlikely(!audit_dummy_context()))
 350                 __audit_file(file);
 351 }
 352 static inline void audit_inode_parent_hidden(struct filename *name,
 353                                                 const struct dentry *dentry)
 354 {
 355         if (unlikely(!audit_dummy_context()))
 356                 __audit_inode(name, dentry,
 357                                 AUDIT_INODE_PARENT | AUDIT_INODE_HIDDEN);
 358 }
 359 static inline void audit_inode_child(struct inode *parent,
 360                                      const struct dentry *dentry,
 361                                      const unsigned char type) {
 362         if (unlikely(!audit_dummy_context()))
 363                 __audit_inode_child(parent, dentry, type);
 364 }
 365 void audit_core_dumps(long signr);
 366
 367 static inline void audit_ptrace(struct task_struct *t)
 368 {
 369         if (unlikely(!audit_dummy_context()))
 370                 __audit_ptrace(t);
 371 }
 372
 373                                 /* Private API (for audit.c only) */
 374 extern void __audit_ipc_obj(struct kern_ipc_perm *ipcp);
 375 extern void __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode);
 376 extern void __audit_bprm(struct linux_binprm *bprm);
 377 extern int __audit_socketcall(int nargs, unsigned long *args);
 378 extern int __audit_sockaddr(int len, void *addr);
 379 extern void __audit_fd_pair(int fd1, int fd2);
 380 extern void __audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr);
 381 extern void __audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec64 *abs_timeout);
 382 extern void __audit_mq_notify(mqd_t mqdes, const struct sigevent *notification);
 383 extern void __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat);
 384 extern int __audit_log_bprm_fcaps(struct linux_binprm *bprm,
 385                                   const struct cred *new,
 386                                   const struct cred *old);
 387 extern void __audit_log_capset(const struct cred *new, const struct cred *old);
 388 extern void __audit_mmap_fd(int fd, int flags);
 389 extern void __audit_log_kern_module(char *name);
 390 extern void __audit_fanotify(unsigned int response);
 391 extern void __audit_tk_injoffset(struct timespec64 offset);
 392 extern void __audit_ntp_log(const struct audit_ntp_data *ad);
 393
 394 static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp)
 395 {
 396         if (unlikely(!audit_dummy_context()))
 397                 __audit_ipc_obj(ipcp);
 398 }
 399 static inline void audit_fd_pair(int fd1, int fd2)
 400 {
 401         if (unlikely(!audit_dummy_context()))
 402                 __audit_fd_pair(fd1, fd2);
 403 }
 404 static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode)
 405 {
 406         if (unlikely(!audit_dummy_context()))
 407                 __audit_ipc_set_perm(qbytes, uid, gid, mode);
 408 }
 409 static inline void audit_bprm(struct linux_binprm *bprm)
 410 {
 411         if (unlikely(!audit_dummy_context()))
 412                 __audit_bprm(bprm);
 413 }
 414 static inline int audit_socketcall(int nargs, unsigned long *args)
 415 {
 416         if (unlikely(!audit_dummy_context()))
 417                 return __audit_socketcall(nargs, args);
 418         return 0;
 419 }
 420
 421 static inline int audit_socketcall_compat(int nargs, u32 *args)
 422 {
 423         unsigned long a[AUDITSC_ARGS];
 424         int i;
 425
 426         if (audit_dummy_context())
 427                 return 0;
 428
 429         for (i = 0; i < nargs; i++)
 430                 a[i] = (unsigned long)args[i];
 431         return __audit_socketcall(nargs, a);
 432 }
 433
 434 static inline int audit_sockaddr(int len, void *addr)
 435 {
 436         if (unlikely(!audit_dummy_context()))
 437                 return __audit_sockaddr(len, addr);
 438         return 0;
 439 }
 440 static inline void audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr)
 441 {
 442         if (unlikely(!audit_dummy_context()))
 443                 __audit_mq_open(oflag, mode, attr);
 444 }
 445 static inline void audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec64 *abs_timeout)
 446 {
 447         if (unlikely(!audit_dummy_context()))
 448                 __audit_mq_sendrecv(mqdes, msg_len, msg_prio, abs_timeout);
 449 }
 450 static inline void audit_mq_notify(mqd_t mqdes, const struct sigevent *notification)
 451 {
 452         if (unlikely(!audit_dummy_context()))
 453                 __audit_mq_notify(mqdes, notification);
 454 }
 455 static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat)
 456 {
 457         if (unlikely(!audit_dummy_context()))
 458                 __audit_mq_getsetattr(mqdes, mqstat);
 459 }
 460
 461 static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm,
 462                                        const struct cred *new,
 463                                        const struct cred *old)
 464 {
 465         if (unlikely(!audit_dummy_context()))
 466                 return __audit_log_bprm_fcaps(bprm, new, old);
 467         return 0;
 468 }
 469
 470 static inline void audit_log_capset(const struct cred *new,
 471                                    const struct cred *old)
 472 {
 473         if (unlikely(!audit_dummy_context()))
 474                 __audit_log_capset(new, old);
 475 }
 476
 477 static inline void audit_mmap_fd(int fd, int flags)
 478 {
 479         if (unlikely(!audit_dummy_context()))
 480                 __audit_mmap_fd(fd, flags);
 481 }
 482
 483 static inline void audit_log_kern_module(char *name)
 484 {
 485         if (!audit_dummy_context())
 486                 __audit_log_kern_module(name);
 487 }
 488
 489 static inline void audit_fanotify(unsigned int response)
 490 {
 491         if (!audit_dummy_context())
 492                 __audit_fanotify(response);
 493 }
 494
 495 static inline void audit_tk_injoffset(struct timespec64 offset)
 496 {
 497         /* ignore no-op events */
 498         if (offset.tv_sec == 0 && offset.tv_nsec == 0)
 499                 return;
 500
 501         if (!audit_dummy_context())
 502                 __audit_tk_injoffset(offset);
 503 }
 504
 505 static inline void audit_ntp_init(struct audit_ntp_data *ad)
 506 {
 507         memset(ad, 0, sizeof(*ad));
 508 }
 509
 510 static inline void audit_ntp_set_old(struct audit_ntp_data *ad,
 511                                      enum audit_ntp_type type, long long val)
 512 {
 513         ad->vals[type].oldval = val;
 514 }
 515
 516 static inline void audit_ntp_set_new(struct audit_ntp_data *ad,
 517                                      enum audit_ntp_type type, long long val)
 518 {
 519         ad->vals[type].newval = val;
 520 }
 521
 522 static inline void audit_ntp_log(const struct audit_ntp_data *ad)
 523 {
 524         if (!audit_dummy_context())
 525                 __audit_ntp_log(ad);
 526 }
 527
 528 extern int audit_n_rules;
 529 extern int audit_signals;
 530 #else /* CONFIG_AUDITSYSCALL */
 531 static inline int audit_alloc(struct task_struct *task)
 532 {
 533         return 0;
 534 }
 535 static inline void audit_free(struct task_struct *task)
 536 { }
 537 static inline void audit_syscall_entry(int major, unsigned long a0,
 538                                        unsigned long a1, unsigned long a2,
 539                                        unsigned long a3)
 540 { }
 541 static inline void audit_syscall_exit(void *pt_regs)
 542 { }
 543 static inline bool audit_dummy_context(void)
 544 {
 545         return true;
 546 }
 547 static inline void audit_set_context(struct task_struct *task, struct audit_context *ctx)
 548 { }
 549 static inline struct audit_context *audit_context(void)
 550 {
 551         return NULL;
 552 }
 553 static inline struct filename *audit_reusename(const __user char *name)
 554 {
 555         return NULL;
 556 }
 557 static inline void audit_getname(struct filename *name)
 558 { }
 559 static inline void __audit_inode(struct filename *name,
 560                                         const struct dentry *dentry,
 561                                         unsigned int flags)
 562 { }
 563 static inline void __audit_inode_child(struct inode *parent,
 564                                         const struct dentry *dentry,
 565                                         const unsigned char type)
 566 { }
 567 static inline void audit_inode(struct filename *name,
 568                                 const struct dentry *dentry,
 569                                 unsigned int parent)
 570 { }
 571 static inline void audit_file(struct file *file)
 572 {
 573 }
 574 static inline void audit_inode_parent_hidden(struct filename *name,
 575                                 const struct dentry *dentry)
 576 { }
 577 static inline void audit_inode_child(struct inode *parent,
 578                                      const struct dentry *dentry,
 579                                      const unsigned char type)
 580 { }
 581 static inline void audit_core_dumps(long signr)
 582 { }
 583 static inline void audit_seccomp(unsigned long syscall, long signr, int code)
 584 { }
 585 static inline void audit_seccomp_actions_logged(const char *names,
 586                                                 const char *old_names, int res)
 587 { }
 588 static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp)
 589 { }
 590 static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid,
 591                                         gid_t gid, umode_t mode)
 592 { }
 593 static inline void audit_bprm(struct linux_binprm *bprm)
 594 { }
 595 static inline int audit_socketcall(int nargs, unsigned long *args)
 596 {
 597         return 0;
 598 }
 599
 600 static inline int audit_socketcall_compat(int nargs, u32 *args)
 601 {
 602         return 0;
 603 }
 604
 605 static inline void audit_fd_pair(int fd1, int fd2)
 606 { }
 607 static inline int audit_sockaddr(int len, void *addr)
 608 {
 609         return 0;
 610 }
 611 static inline void audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr)
 612 { }
 613 static inline void audit_mq_sendrecv(mqd_t mqdes, size_t msg_len,
 614                                      unsigned int msg_prio,
 615                                      const struct timespec64 *abs_timeout)
 616 { }
 617 static inline void audit_mq_notify(mqd_t mqdes,
 618                                    const struct sigevent *notification)
 619 { }
 620 static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat)
 621 { }
 622 static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm,
 623                                        const struct cred *new,
 624                                        const struct cred *old)
 625 {
 626         return 0;
 627 }
 628 static inline void audit_log_capset(const struct cred *new,
 629                                     const struct cred *old)
 630 { }
 631 static inline void audit_mmap_fd(int fd, int flags)
 632 { }
 633
 634 static inline void audit_log_kern_module(char *name)
 635 {
 636 }
 637
 638 static inline void audit_fanotify(unsigned int response)
 639 { }
 640
 641 static inline void audit_tk_injoffset(struct timespec64 offset)
 642 { }
 643
 644 static inline void audit_ntp_init(struct audit_ntp_data *ad)
 645 { }
 646
 647 static inline void audit_ntp_set_old(struct audit_ntp_data *ad,
 648                                      enum audit_ntp_type type, long long val)
 649 { }
 650
 651 static inline void audit_ntp_set_new(struct audit_ntp_data *ad,
 652                                      enum audit_ntp_type type, long long val)
 653 { }
 654
 655 static inline void audit_ntp_log(const struct audit_ntp_data *ad)
 656 { }
 657
 658 static inline void audit_ptrace(struct task_struct *t)
 659 { }
 660 #define audit_n_rules 0
 661 #define audit_signals 0
 662 #endif /* CONFIG_AUDITSYSCALL */
 663
 664 static inline bool audit_loginuid_set(struct task_struct *tsk)
 665 {
 666         return uid_valid(audit_get_loginuid(tsk));
 667 }
 668
 669 static inline void audit_log_string(struct audit_buffer *ab, const char *buf)
 670 {
 671         audit_log_n_string(ab, buf, strlen(buf));
 672 }
 673
 674 #endif