| 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 <uapi/linux/audit.h> |
| 29 | #include <linux/tty.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 | extern int is_audit_feature_set(int which); |
| 90 | |
| 91 | extern int __init audit_register_class(int class, unsigned *list); |
| 92 | extern int audit_classify_syscall(int abi, unsigned syscall); |
| 93 | extern int audit_classify_arch(int arch); |
| 94 | /* only for compat system calls */ |
| 95 | extern unsigned compat_write_class[]; |
| 96 | extern unsigned compat_read_class[]; |
| 97 | extern unsigned compat_dir_class[]; |
| 98 | extern unsigned compat_chattr_class[]; |
| 99 | extern unsigned compat_signal_class[]; |
| 100 | |
| 101 | extern int audit_classify_compat_syscall(int abi, unsigned syscall); |
| 102 | |
| 103 | /* audit_names->type values */ |
| 104 | #define AUDIT_TYPE_UNKNOWN 0 /* we don't know yet */ |
| 105 | #define AUDIT_TYPE_NORMAL 1 /* a "normal" audit record */ |
| 106 | #define AUDIT_TYPE_PARENT 2 /* a parent audit record */ |
| 107 | #define AUDIT_TYPE_CHILD_DELETE 3 /* a child being deleted */ |
| 108 | #define AUDIT_TYPE_CHILD_CREATE 4 /* a child being created */ |
| 109 | |
| 110 | /* maximized args number that audit_socketcall can process */ |
| 111 | #define AUDITSC_ARGS 6 |
| 112 | |
| 113 | /* bit values for ->signal->audit_tty */ |
| 114 | #define AUDIT_TTY_ENABLE BIT(0) |
| 115 | #define AUDIT_TTY_LOG_PASSWD BIT(1) |
| 116 | |
| 117 | struct filename; |
| 118 | |
| 119 | extern void audit_log_session_info(struct audit_buffer *ab); |
| 120 | |
| 121 | #ifdef CONFIG_AUDIT |
| 122 | /* These are defined in audit.c */ |
| 123 | /* Public API */ |
| 124 | extern __printf(4, 5) |
| 125 | void audit_log(struct audit_context *ctx, gfp_t gfp_mask, int type, |
| 126 | const char *fmt, ...); |
| 127 | |
| 128 | extern struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp_mask, int type); |
| 129 | extern __printf(2, 3) |
| 130 | void audit_log_format(struct audit_buffer *ab, const char *fmt, ...); |
| 131 | extern void audit_log_end(struct audit_buffer *ab); |
| 132 | extern bool audit_string_contains_control(const char *string, |
| 133 | size_t len); |
| 134 | extern void audit_log_n_hex(struct audit_buffer *ab, |
| 135 | const unsigned char *buf, |
| 136 | size_t len); |
| 137 | extern void audit_log_n_string(struct audit_buffer *ab, |
| 138 | const char *buf, |
| 139 | size_t n); |
| 140 | extern void audit_log_n_untrustedstring(struct audit_buffer *ab, |
| 141 | const char *string, |
| 142 | size_t n); |
| 143 | extern void audit_log_untrustedstring(struct audit_buffer *ab, |
| 144 | const char *string); |
| 145 | extern void audit_log_d_path(struct audit_buffer *ab, |
| 146 | const char *prefix, |
| 147 | const struct path *path); |
| 148 | extern void audit_log_key(struct audit_buffer *ab, |
| 149 | char *key); |
| 150 | extern void audit_log_link_denied(const char *operation, |
| 151 | struct path *link); |
| 152 | extern void audit_log_lost(const char *message); |
| 153 | #ifdef CONFIG_SECURITY |
| 154 | extern void audit_log_secctx(struct audit_buffer *ab, u32 secid); |
| 155 | #else |
| 156 | static inline void audit_log_secctx(struct audit_buffer *ab, u32 secid) |
| 157 | { } |
| 158 | #endif |
| 159 | |
| 160 | extern int audit_log_task_context(struct audit_buffer *ab); |
| 161 | extern void audit_log_task_info(struct audit_buffer *ab, |
| 162 | struct task_struct *tsk); |
| 163 | |
| 164 | extern int audit_update_lsm_rules(void); |
| 165 | |
| 166 | /* Private API (for audit.c only) */ |
| 167 | extern int audit_filter_user(int type); |
| 168 | extern int audit_filter_type(int type); |
| 169 | extern int audit_rule_change(int type, __u32 portid, int seq, |
| 170 | void *data, size_t datasz); |
| 171 | extern int audit_list_rules_send(struct sk_buff *request_skb, int seq); |
| 172 | |
| 173 | extern u32 audit_enabled; |
| 174 | #else /* CONFIG_AUDIT */ |
| 175 | static inline __printf(4, 5) |
| 176 | void audit_log(struct audit_context *ctx, gfp_t gfp_mask, int type, |
| 177 | const char *fmt, ...) |
| 178 | { } |
| 179 | static inline struct audit_buffer *audit_log_start(struct audit_context *ctx, |
| 180 | gfp_t gfp_mask, int type) |
| 181 | { |
| 182 | return NULL; |
| 183 | } |
| 184 | static inline __printf(2, 3) |
| 185 | void audit_log_format(struct audit_buffer *ab, const char *fmt, ...) |
| 186 | { } |
| 187 | static inline void audit_log_end(struct audit_buffer *ab) |
| 188 | { } |
| 189 | static inline void audit_log_n_hex(struct audit_buffer *ab, |
| 190 | const unsigned char *buf, size_t len) |
| 191 | { } |
| 192 | static inline void audit_log_n_string(struct audit_buffer *ab, |
| 193 | const char *buf, size_t n) |
| 194 | { } |
| 195 | static inline void audit_log_n_untrustedstring(struct audit_buffer *ab, |
| 196 | const char *string, size_t n) |
| 197 | { } |
| 198 | static inline void audit_log_untrustedstring(struct audit_buffer *ab, |
| 199 | const char *string) |
| 200 | { } |
| 201 | static inline void audit_log_d_path(struct audit_buffer *ab, |
| 202 | const char *prefix, |
| 203 | const struct path *path) |
| 204 | { } |
| 205 | static inline void audit_log_key(struct audit_buffer *ab, char *key) |
| 206 | { } |
| 207 | static inline void audit_log_link_denied(const char *string, |
| 208 | const struct path *link) |
| 209 | { } |
| 210 | static inline void audit_log_secctx(struct audit_buffer *ab, u32 secid) |
| 211 | { } |
| 212 | static inline int audit_log_task_context(struct audit_buffer *ab) |
| 213 | { |
| 214 | return 0; |
| 215 | } |
| 216 | static inline void audit_log_task_info(struct audit_buffer *ab, |
| 217 | struct task_struct *tsk) |
| 218 | { } |
| 219 | #define audit_enabled 0 |
| 220 | #endif /* CONFIG_AUDIT */ |
| 221 | |
| 222 | #ifdef CONFIG_AUDIT_COMPAT_GENERIC |
| 223 | #define audit_is_compat(arch) (!((arch) & __AUDIT_ARCH_64BIT)) |
| 224 | #else |
| 225 | #define audit_is_compat(arch) false |
| 226 | #endif |
| 227 | |
| 228 | #ifdef CONFIG_AUDITSYSCALL |
| 229 | #include <asm/syscall.h> /* for syscall_get_arch() */ |
| 230 | |
| 231 | /* These are defined in auditsc.c */ |
| 232 | /* Public API */ |
| 233 | extern int audit_alloc(struct task_struct *task); |
| 234 | extern void __audit_free(struct task_struct *task); |
| 235 | extern void __audit_syscall_entry(int major, unsigned long a0, unsigned long a1, |
| 236 | unsigned long a2, unsigned long a3); |
| 237 | extern void __audit_syscall_exit(int ret_success, long ret_value); |
| 238 | extern struct filename *__audit_reusename(const __user char *uptr); |
| 239 | extern void __audit_getname(struct filename *name); |
| 240 | |
| 241 | #define AUDIT_INODE_PARENT 1 /* dentry represents the parent */ |
| 242 | #define AUDIT_INODE_HIDDEN 2 /* audit record should be hidden */ |
| 243 | extern void __audit_inode(struct filename *name, const struct dentry *dentry, |
| 244 | unsigned int flags); |
| 245 | extern void __audit_file(const struct file *); |
| 246 | extern void __audit_inode_child(struct inode *parent, |
| 247 | const struct dentry *dentry, |
| 248 | const unsigned char type); |
| 249 | extern void __audit_seccomp(unsigned long syscall, long signr, int code); |
| 250 | extern void __audit_ptrace(struct task_struct *t); |
| 251 | |
| 252 | static inline bool audit_dummy_context(void) |
| 253 | { |
| 254 | void *p = current->audit_context; |
| 255 | return !p || *(int *)p; |
| 256 | } |
| 257 | static inline void audit_free(struct task_struct *task) |
| 258 | { |
| 259 | if (unlikely(task->audit_context)) |
| 260 | __audit_free(task); |
| 261 | } |
| 262 | static inline void audit_syscall_entry(int major, unsigned long a0, |
| 263 | unsigned long a1, unsigned long a2, |
| 264 | unsigned long a3) |
| 265 | { |
| 266 | if (unlikely(current->audit_context)) |
| 267 | __audit_syscall_entry(major, a0, a1, a2, a3); |
| 268 | } |
| 269 | static inline void audit_syscall_exit(void *pt_regs) |
| 270 | { |
| 271 | if (unlikely(current->audit_context)) { |
| 272 | int success = is_syscall_success(pt_regs); |
| 273 | long return_code = regs_return_value(pt_regs); |
| 274 | |
| 275 | __audit_syscall_exit(success, return_code); |
| 276 | } |
| 277 | } |
| 278 | static inline struct filename *audit_reusename(const __user char *name) |
| 279 | { |
| 280 | if (unlikely(!audit_dummy_context())) |
| 281 | return __audit_reusename(name); |
| 282 | return NULL; |
| 283 | } |
| 284 | static inline void audit_getname(struct filename *name) |
| 285 | { |
| 286 | if (unlikely(!audit_dummy_context())) |
| 287 | __audit_getname(name); |
| 288 | } |
| 289 | static inline void audit_inode(struct filename *name, |
| 290 | const struct dentry *dentry, |
| 291 | unsigned int parent) { |
| 292 | if (unlikely(!audit_dummy_context())) { |
| 293 | unsigned int flags = 0; |
| 294 | if (parent) |
| 295 | flags |= AUDIT_INODE_PARENT; |
| 296 | __audit_inode(name, dentry, flags); |
| 297 | } |
| 298 | } |
| 299 | static inline void audit_file(struct file *file) |
| 300 | { |
| 301 | if (unlikely(!audit_dummy_context())) |
| 302 | __audit_file(file); |
| 303 | } |
| 304 | static inline void audit_inode_parent_hidden(struct filename *name, |
| 305 | const struct dentry *dentry) |
| 306 | { |
| 307 | if (unlikely(!audit_dummy_context())) |
| 308 | __audit_inode(name, dentry, |
| 309 | AUDIT_INODE_PARENT | AUDIT_INODE_HIDDEN); |
| 310 | } |
| 311 | static inline void audit_inode_child(struct inode *parent, |
| 312 | const struct dentry *dentry, |
| 313 | const unsigned char type) { |
| 314 | if (unlikely(!audit_dummy_context())) |
| 315 | __audit_inode_child(parent, dentry, type); |
| 316 | } |
| 317 | void audit_core_dumps(long signr); |
| 318 | |
| 319 | static inline void audit_seccomp(unsigned long syscall, long signr, int code) |
| 320 | { |
| 321 | if (!audit_enabled) |
| 322 | return; |
| 323 | |
| 324 | /* Force a record to be reported if a signal was delivered. */ |
| 325 | if (signr || unlikely(!audit_dummy_context())) |
| 326 | __audit_seccomp(syscall, signr, code); |
| 327 | } |
| 328 | |
| 329 | static inline void audit_ptrace(struct task_struct *t) |
| 330 | { |
| 331 | if (unlikely(!audit_dummy_context())) |
| 332 | __audit_ptrace(t); |
| 333 | } |
| 334 | |
| 335 | /* Private API (for audit.c only) */ |
| 336 | extern unsigned int audit_serial(void); |
| 337 | extern int auditsc_get_stamp(struct audit_context *ctx, |
| 338 | struct timespec *t, unsigned int *serial); |
| 339 | extern int audit_set_loginuid(kuid_t loginuid); |
| 340 | |
| 341 | static inline kuid_t audit_get_loginuid(struct task_struct *tsk) |
| 342 | { |
| 343 | return tsk->loginuid; |
| 344 | } |
| 345 | |
| 346 | static inline unsigned int audit_get_sessionid(struct task_struct *tsk) |
| 347 | { |
| 348 | return tsk->sessionid; |
| 349 | } |
| 350 | |
| 351 | static inline struct tty_struct *audit_get_tty(struct task_struct *tsk) |
| 352 | { |
| 353 | struct tty_struct *tty = NULL; |
| 354 | unsigned long flags; |
| 355 | |
| 356 | spin_lock_irqsave(&tsk->sighand->siglock, flags); |
| 357 | if (tsk->signal) |
| 358 | tty = tty_kref_get(tsk->signal->tty); |
| 359 | spin_unlock_irqrestore(&tsk->sighand->siglock, flags); |
| 360 | return tty; |
| 361 | } |
| 362 | |
| 363 | static inline void audit_put_tty(struct tty_struct *tty) |
| 364 | { |
| 365 | tty_kref_put(tty); |
| 366 | } |
| 367 | |
| 368 | extern void __audit_ipc_obj(struct kern_ipc_perm *ipcp); |
| 369 | extern void __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode); |
| 370 | extern void __audit_bprm(struct linux_binprm *bprm); |
| 371 | extern int __audit_socketcall(int nargs, unsigned long *args); |
| 372 | extern int __audit_sockaddr(int len, void *addr); |
| 373 | extern void __audit_fd_pair(int fd1, int fd2); |
| 374 | extern void __audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr); |
| 375 | extern void __audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec *abs_timeout); |
| 376 | extern void __audit_mq_notify(mqd_t mqdes, const struct sigevent *notification); |
| 377 | extern void __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat); |
| 378 | extern int __audit_log_bprm_fcaps(struct linux_binprm *bprm, |
| 379 | const struct cred *new, |
| 380 | const struct cred *old); |
| 381 | extern void __audit_log_capset(const struct cred *new, const struct cred *old); |
| 382 | extern void __audit_mmap_fd(int fd, int flags); |
| 383 | |
| 384 | static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp) |
| 385 | { |
| 386 | if (unlikely(!audit_dummy_context())) |
| 387 | __audit_ipc_obj(ipcp); |
| 388 | } |
| 389 | static inline void audit_fd_pair(int fd1, int fd2) |
| 390 | { |
| 391 | if (unlikely(!audit_dummy_context())) |
| 392 | __audit_fd_pair(fd1, fd2); |
| 393 | } |
| 394 | static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode) |
| 395 | { |
| 396 | if (unlikely(!audit_dummy_context())) |
| 397 | __audit_ipc_set_perm(qbytes, uid, gid, mode); |
| 398 | } |
| 399 | static inline void audit_bprm(struct linux_binprm *bprm) |
| 400 | { |
| 401 | if (unlikely(!audit_dummy_context())) |
| 402 | __audit_bprm(bprm); |
| 403 | } |
| 404 | static inline int audit_socketcall(int nargs, unsigned long *args) |
| 405 | { |
| 406 | if (unlikely(!audit_dummy_context())) |
| 407 | return __audit_socketcall(nargs, args); |
| 408 | return 0; |
| 409 | } |
| 410 | static inline int audit_sockaddr(int len, void *addr) |
| 411 | { |
| 412 | if (unlikely(!audit_dummy_context())) |
| 413 | return __audit_sockaddr(len, addr); |
| 414 | return 0; |
| 415 | } |
| 416 | static inline void audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr) |
| 417 | { |
| 418 | if (unlikely(!audit_dummy_context())) |
| 419 | __audit_mq_open(oflag, mode, attr); |
| 420 | } |
| 421 | static inline void audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec *abs_timeout) |
| 422 | { |
| 423 | if (unlikely(!audit_dummy_context())) |
| 424 | __audit_mq_sendrecv(mqdes, msg_len, msg_prio, abs_timeout); |
| 425 | } |
| 426 | static inline void audit_mq_notify(mqd_t mqdes, const struct sigevent *notification) |
| 427 | { |
| 428 | if (unlikely(!audit_dummy_context())) |
| 429 | __audit_mq_notify(mqdes, notification); |
| 430 | } |
| 431 | static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat) |
| 432 | { |
| 433 | if (unlikely(!audit_dummy_context())) |
| 434 | __audit_mq_getsetattr(mqdes, mqstat); |
| 435 | } |
| 436 | |
| 437 | static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm, |
| 438 | const struct cred *new, |
| 439 | const struct cred *old) |
| 440 | { |
| 441 | if (unlikely(!audit_dummy_context())) |
| 442 | return __audit_log_bprm_fcaps(bprm, new, old); |
| 443 | return 0; |
| 444 | } |
| 445 | |
| 446 | static inline void audit_log_capset(const struct cred *new, |
| 447 | const struct cred *old) |
| 448 | { |
| 449 | if (unlikely(!audit_dummy_context())) |
| 450 | __audit_log_capset(new, old); |
| 451 | } |
| 452 | |
| 453 | static inline void audit_mmap_fd(int fd, int flags) |
| 454 | { |
| 455 | if (unlikely(!audit_dummy_context())) |
| 456 | __audit_mmap_fd(fd, flags); |
| 457 | } |
| 458 | |
| 459 | extern int audit_n_rules; |
| 460 | extern int audit_signals; |
| 461 | #else /* CONFIG_AUDITSYSCALL */ |
| 462 | static inline int audit_alloc(struct task_struct *task) |
| 463 | { |
| 464 | return 0; |
| 465 | } |
| 466 | static inline void audit_free(struct task_struct *task) |
| 467 | { } |
| 468 | static inline void audit_syscall_entry(int major, unsigned long a0, |
| 469 | unsigned long a1, unsigned long a2, |
| 470 | unsigned long a3) |
| 471 | { } |
| 472 | static inline void audit_syscall_exit(void *pt_regs) |
| 473 | { } |
| 474 | static inline bool audit_dummy_context(void) |
| 475 | { |
| 476 | return true; |
| 477 | } |
| 478 | static inline struct filename *audit_reusename(const __user char *name) |
| 479 | { |
| 480 | return NULL; |
| 481 | } |
| 482 | static inline void audit_getname(struct filename *name) |
| 483 | { } |
| 484 | static inline void __audit_inode(struct filename *name, |
| 485 | const struct dentry *dentry, |
| 486 | unsigned int flags) |
| 487 | { } |
| 488 | static inline void __audit_inode_child(struct inode *parent, |
| 489 | const struct dentry *dentry, |
| 490 | const unsigned char type) |
| 491 | { } |
| 492 | static inline void audit_inode(struct filename *name, |
| 493 | const struct dentry *dentry, |
| 494 | unsigned int parent) |
| 495 | { } |
| 496 | static inline void audit_file(struct file *file) |
| 497 | { |
| 498 | } |
| 499 | static inline void audit_inode_parent_hidden(struct filename *name, |
| 500 | const struct dentry *dentry) |
| 501 | { } |
| 502 | static inline void audit_inode_child(struct inode *parent, |
| 503 | const struct dentry *dentry, |
| 504 | const unsigned char type) |
| 505 | { } |
| 506 | static inline void audit_core_dumps(long signr) |
| 507 | { } |
| 508 | static inline void __audit_seccomp(unsigned long syscall, long signr, int code) |
| 509 | { } |
| 510 | static inline void audit_seccomp(unsigned long syscall, long signr, int code) |
| 511 | { } |
| 512 | static inline int auditsc_get_stamp(struct audit_context *ctx, |
| 513 | struct timespec *t, unsigned int *serial) |
| 514 | { |
| 515 | return 0; |
| 516 | } |
| 517 | static inline kuid_t audit_get_loginuid(struct task_struct *tsk) |
| 518 | { |
| 519 | return INVALID_UID; |
| 520 | } |
| 521 | static inline unsigned int audit_get_sessionid(struct task_struct *tsk) |
| 522 | { |
| 523 | return -1; |
| 524 | } |
| 525 | static inline struct tty_struct *audit_get_tty(struct task_struct *tsk) |
| 526 | { |
| 527 | return NULL; |
| 528 | } |
| 529 | static inline void audit_put_tty(struct tty_struct *tty) |
| 530 | { } |
| 531 | static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp) |
| 532 | { } |
| 533 | static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid, |
| 534 | gid_t gid, umode_t mode) |
| 535 | { } |
| 536 | static inline void audit_bprm(struct linux_binprm *bprm) |
| 537 | { } |
| 538 | static inline int audit_socketcall(int nargs, unsigned long *args) |
| 539 | { |
| 540 | return 0; |
| 541 | } |
| 542 | static inline void audit_fd_pair(int fd1, int fd2) |
| 543 | { } |
| 544 | static inline int audit_sockaddr(int len, void *addr) |
| 545 | { |
| 546 | return 0; |
| 547 | } |
| 548 | static inline void audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr) |
| 549 | { } |
| 550 | static inline void audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, |
| 551 | unsigned int msg_prio, |
| 552 | const struct timespec *abs_timeout) |
| 553 | { } |
| 554 | static inline void audit_mq_notify(mqd_t mqdes, |
| 555 | const struct sigevent *notification) |
| 556 | { } |
| 557 | static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat) |
| 558 | { } |
| 559 | static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm, |
| 560 | const struct cred *new, |
| 561 | const struct cred *old) |
| 562 | { |
| 563 | return 0; |
| 564 | } |
| 565 | static inline void audit_log_capset(const struct cred *new, |
| 566 | const struct cred *old) |
| 567 | { } |
| 568 | static inline void audit_mmap_fd(int fd, int flags) |
| 569 | { } |
| 570 | static inline void audit_ptrace(struct task_struct *t) |
| 571 | { } |
| 572 | #define audit_n_rules 0 |
| 573 | #define audit_signals 0 |
| 574 | #endif /* CONFIG_AUDITSYSCALL */ |
| 575 | |
| 576 | static inline bool audit_loginuid_set(struct task_struct *tsk) |
| 577 | { |
| 578 | return uid_valid(audit_get_loginuid(tsk)); |
| 579 | } |
| 580 | |
| 581 | static inline void audit_log_string(struct audit_buffer *ab, const char *buf) |
| 582 | { |
| 583 | audit_log_n_string(ab, buf, strlen(buf)); |
| 584 | } |
| 585 | |
| 586 | #endif |