audit.h 20 KB

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  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. #include <linux/types.h>
  26. #include <linux/elf-em.h>
  27. /* The netlink messages for the audit system is divided into blocks:
  28. * 1000 - 1099 are for commanding the audit system
  29. * 1100 - 1199 user space trusted application messages
  30. * 1200 - 1299 messages internal to the audit daemon
  31. * 1300 - 1399 audit event messages
  32. * 1400 - 1499 SE Linux use
  33. * 1500 - 1599 kernel LSPP events
  34. * 1600 - 1699 kernel crypto events
  35. * 1700 - 1799 kernel anomaly records
  36. * 1800 - 1999 future kernel use (maybe integrity labels and related events)
  37. * 2000 is for otherwise unclassified kernel audit messages (legacy)
  38. * 2001 - 2099 unused (kernel)
  39. * 2100 - 2199 user space anomaly records
  40. * 2200 - 2299 user space actions taken in response to anomalies
  41. * 2300 - 2399 user space generated LSPP events
  42. * 2400 - 2499 user space crypto events
  43. * 2500 - 2999 future user space (maybe integrity labels and related events)
  44. *
  45. * Messages from 1000-1199 are bi-directional. 1200-1299 & 2100 - 2999 are
  46. * exclusively user space. 1300-2099 is kernel --> user space
  47. * communication.
  48. */
  49. #define AUDIT_GET 1000 /* Get status */
  50. #define AUDIT_SET 1001 /* Set status (enable/disable/auditd) */
  51. #define AUDIT_LIST 1002 /* List syscall rules -- deprecated */
  52. #define AUDIT_ADD 1003 /* Add syscall rule -- deprecated */
  53. #define AUDIT_DEL 1004 /* Delete syscall rule -- deprecated */
  54. #define AUDIT_USER 1005 /* Message from userspace -- deprecated */
  55. #define AUDIT_LOGIN 1006 /* Define the login id and information */
  56. #define AUDIT_WATCH_INS 1007 /* Insert file/dir watch entry */
  57. #define AUDIT_WATCH_REM 1008 /* Remove file/dir watch entry */
  58. #define AUDIT_WATCH_LIST 1009 /* List all file/dir watches */
  59. #define AUDIT_SIGNAL_INFO 1010 /* Get info about sender of signal to auditd */
  60. #define AUDIT_ADD_RULE 1011 /* Add syscall filtering rule */
  61. #define AUDIT_DEL_RULE 1012 /* Delete syscall filtering rule */
  62. #define AUDIT_LIST_RULES 1013 /* List syscall filtering rules */
  63. #define AUDIT_FIRST_USER_MSG 1100 /* Userspace messages mostly uninteresting to kernel */
  64. #define AUDIT_USER_AVC 1107 /* We filter this differently */
  65. #define AUDIT_LAST_USER_MSG 1199
  66. #define AUDIT_FIRST_USER_MSG2 2100 /* More user space messages */
  67. #define AUDIT_LAST_USER_MSG2 2999
  68. #define AUDIT_DAEMON_START 1200 /* Daemon startup record */
  69. #define AUDIT_DAEMON_END 1201 /* Daemon normal stop record */
  70. #define AUDIT_DAEMON_ABORT 1202 /* Daemon error stop record */
  71. #define AUDIT_DAEMON_CONFIG 1203 /* Daemon config change */
  72. #define AUDIT_SYSCALL 1300 /* Syscall event */
  73. /* #define AUDIT_FS_WATCH 1301 * Deprecated */
  74. #define AUDIT_PATH 1302 /* Filename path information */
  75. #define AUDIT_IPC 1303 /* IPC record */
  76. #define AUDIT_SOCKETCALL 1304 /* sys_socketcall arguments */
  77. #define AUDIT_CONFIG_CHANGE 1305 /* Audit system configuration change */
  78. #define AUDIT_SOCKADDR 1306 /* sockaddr copied as syscall arg */
  79. #define AUDIT_CWD 1307 /* Current working directory */
  80. #define AUDIT_EXECVE 1309 /* execve arguments */
  81. #define AUDIT_IPC_SET_PERM 1311 /* IPC new permissions record type */
  82. #define AUDIT_MQ_OPEN 1312 /* POSIX MQ open record type */
  83. #define AUDIT_MQ_SENDRECV 1313 /* POSIX MQ send/receive record type */
  84. #define AUDIT_MQ_NOTIFY 1314 /* POSIX MQ notify record type */
  85. #define AUDIT_MQ_GETSETATTR 1315 /* POSIX MQ get/set attribute record type */
  86. #define AUDIT_KERNEL_OTHER 1316 /* For use by 3rd party modules */
  87. #define AUDIT_FD_PAIR 1317 /* audit record for pipe/socketpair */
  88. #define AUDIT_OBJ_PID 1318 /* ptrace target */
  89. #define AUDIT_AVC 1400 /* SE Linux avc denial or grant */
  90. #define AUDIT_SELINUX_ERR 1401 /* Internal SE Linux Errors */
  91. #define AUDIT_AVC_PATH 1402 /* dentry, vfsmount pair from avc */
  92. #define AUDIT_MAC_POLICY_LOAD 1403 /* Policy file load */
  93. #define AUDIT_MAC_STATUS 1404 /* Changed enforcing,permissive,off */
  94. #define AUDIT_MAC_CONFIG_CHANGE 1405 /* Changes to booleans */
  95. #define AUDIT_MAC_UNLBL_ALLOW 1406 /* NetLabel: allow unlabeled traffic */
  96. #define AUDIT_MAC_CIPSOV4_ADD 1407 /* NetLabel: add CIPSOv4 DOI entry */
  97. #define AUDIT_MAC_CIPSOV4_DEL 1408 /* NetLabel: del CIPSOv4 DOI entry */
  98. #define AUDIT_MAC_MAP_ADD 1409 /* NetLabel: add LSM domain mapping */
  99. #define AUDIT_MAC_MAP_DEL 1410 /* NetLabel: del LSM domain mapping */
  100. #define AUDIT_MAC_IPSEC_ADDSA 1411 /* Add a XFRM state */
  101. #define AUDIT_MAC_IPSEC_DELSA 1412 /* Delete a XFRM state */
  102. #define AUDIT_MAC_IPSEC_ADDSPD 1413 /* Add a XFRM policy */
  103. #define AUDIT_MAC_IPSEC_DELSPD 1414 /* Delete a XFRM policy */
  104. #define AUDIT_FIRST_KERN_ANOM_MSG 1700
  105. #define AUDIT_LAST_KERN_ANOM_MSG 1799
  106. #define AUDIT_ANOM_PROMISCUOUS 1700 /* Device changed promiscuous mode */
  107. #define AUDIT_KERNEL 2000 /* Asynchronous audit record. NOT A REQUEST. */
  108. /* Rule flags */
  109. #define AUDIT_FILTER_USER 0x00 /* Apply rule to user-generated messages */
  110. #define AUDIT_FILTER_TASK 0x01 /* Apply rule at task creation (not syscall) */
  111. #define AUDIT_FILTER_ENTRY 0x02 /* Apply rule at syscall entry */
  112. #define AUDIT_FILTER_WATCH 0x03 /* Apply rule to file system watches */
  113. #define AUDIT_FILTER_EXIT 0x04 /* Apply rule at syscall exit */
  114. #define AUDIT_FILTER_TYPE 0x05 /* Apply rule at audit_log_start */
  115. #define AUDIT_NR_FILTERS 6
  116. #define AUDIT_FILTER_PREPEND 0x10 /* Prepend to front of list */
  117. /* Rule actions */
  118. #define AUDIT_NEVER 0 /* Do not build context if rule matches */
  119. #define AUDIT_POSSIBLE 1 /* Build context if rule matches */
  120. #define AUDIT_ALWAYS 2 /* Generate audit record if rule matches */
  121. /* Rule structure sizes -- if these change, different AUDIT_ADD and
  122. * AUDIT_LIST commands must be implemented. */
  123. #define AUDIT_MAX_FIELDS 64
  124. #define AUDIT_MAX_KEY_LEN 32
  125. #define AUDIT_BITMASK_SIZE 64
  126. #define AUDIT_WORD(nr) ((__u32)((nr)/32))
  127. #define AUDIT_BIT(nr) (1 << ((nr) - AUDIT_WORD(nr)*32))
  128. #define AUDIT_SYSCALL_CLASSES 16
  129. #define AUDIT_CLASS_DIR_WRITE 0
  130. #define AUDIT_CLASS_DIR_WRITE_32 1
  131. #define AUDIT_CLASS_CHATTR 2
  132. #define AUDIT_CLASS_CHATTR_32 3
  133. #define AUDIT_CLASS_READ 4
  134. #define AUDIT_CLASS_READ_32 5
  135. #define AUDIT_CLASS_WRITE 6
  136. #define AUDIT_CLASS_WRITE_32 7
  137. #define AUDIT_CLASS_SIGNAL 8
  138. #define AUDIT_CLASS_SIGNAL_32 9
  139. /* This bitmask is used to validate user input. It represents all bits that
  140. * are currently used in an audit field constant understood by the kernel.
  141. * If you are adding a new #define AUDIT_<whatever>, please ensure that
  142. * AUDIT_UNUSED_BITS is updated if need be. */
  143. #define AUDIT_UNUSED_BITS 0x0FFFFC00
  144. /* Rule fields */
  145. /* These are useful when checking the
  146. * task structure at task creation time
  147. * (AUDIT_PER_TASK). */
  148. #define AUDIT_PID 0
  149. #define AUDIT_UID 1
  150. #define AUDIT_EUID 2
  151. #define AUDIT_SUID 3
  152. #define AUDIT_FSUID 4
  153. #define AUDIT_GID 5
  154. #define AUDIT_EGID 6
  155. #define AUDIT_SGID 7
  156. #define AUDIT_FSGID 8
  157. #define AUDIT_LOGINUID 9
  158. #define AUDIT_PERS 10
  159. #define AUDIT_ARCH 11
  160. #define AUDIT_MSGTYPE 12
  161. #define AUDIT_SUBJ_USER 13 /* security label user */
  162. #define AUDIT_SUBJ_ROLE 14 /* security label role */
  163. #define AUDIT_SUBJ_TYPE 15 /* security label type */
  164. #define AUDIT_SUBJ_SEN 16 /* security label sensitivity label */
  165. #define AUDIT_SUBJ_CLR 17 /* security label clearance label */
  166. #define AUDIT_PPID 18
  167. #define AUDIT_OBJ_USER 19
  168. #define AUDIT_OBJ_ROLE 20
  169. #define AUDIT_OBJ_TYPE 21
  170. #define AUDIT_OBJ_LEV_LOW 22
  171. #define AUDIT_OBJ_LEV_HIGH 23
  172. /* These are ONLY useful when checking
  173. * at syscall exit time (AUDIT_AT_EXIT). */
  174. #define AUDIT_DEVMAJOR 100
  175. #define AUDIT_DEVMINOR 101
  176. #define AUDIT_INODE 102
  177. #define AUDIT_EXIT 103
  178. #define AUDIT_SUCCESS 104 /* exit >= 0; value ignored */
  179. #define AUDIT_WATCH 105
  180. #define AUDIT_PERM 106
  181. #define AUDIT_ARG0 200
  182. #define AUDIT_ARG1 (AUDIT_ARG0+1)
  183. #define AUDIT_ARG2 (AUDIT_ARG0+2)
  184. #define AUDIT_ARG3 (AUDIT_ARG0+3)
  185. #define AUDIT_FILTERKEY 210
  186. #define AUDIT_NEGATE 0x80000000
  187. /* These are the supported operators.
  188. * 4 2 1
  189. * = > <
  190. * -------
  191. * 0 0 0 0 nonsense
  192. * 0 0 1 1 <
  193. * 0 1 0 2 >
  194. * 0 1 1 3 !=
  195. * 1 0 0 4 =
  196. * 1 0 1 5 <=
  197. * 1 1 0 6 >=
  198. * 1 1 1 7 all operators
  199. */
  200. #define AUDIT_LESS_THAN 0x10000000
  201. #define AUDIT_GREATER_THAN 0x20000000
  202. #define AUDIT_NOT_EQUAL 0x30000000
  203. #define AUDIT_EQUAL 0x40000000
  204. #define AUDIT_LESS_THAN_OR_EQUAL (AUDIT_LESS_THAN|AUDIT_EQUAL)
  205. #define AUDIT_GREATER_THAN_OR_EQUAL (AUDIT_GREATER_THAN|AUDIT_EQUAL)
  206. #define AUDIT_OPERATORS (AUDIT_EQUAL|AUDIT_NOT_EQUAL)
  207. /* Status symbols */
  208. /* Mask values */
  209. #define AUDIT_STATUS_ENABLED 0x0001
  210. #define AUDIT_STATUS_FAILURE 0x0002
  211. #define AUDIT_STATUS_PID 0x0004
  212. #define AUDIT_STATUS_RATE_LIMIT 0x0008
  213. #define AUDIT_STATUS_BACKLOG_LIMIT 0x0010
  214. /* Failure-to-log actions */
  215. #define AUDIT_FAIL_SILENT 0
  216. #define AUDIT_FAIL_PRINTK 1
  217. #define AUDIT_FAIL_PANIC 2
  218. /* distinguish syscall tables */
  219. #define __AUDIT_ARCH_64BIT 0x80000000
  220. #define __AUDIT_ARCH_LE 0x40000000
  221. #define AUDIT_ARCH_ALPHA (EM_ALPHA|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
  222. #define AUDIT_ARCH_ARM (EM_ARM|__AUDIT_ARCH_LE)
  223. #define AUDIT_ARCH_ARMEB (EM_ARM)
  224. #define AUDIT_ARCH_CRIS (EM_CRIS|__AUDIT_ARCH_LE)
  225. #define AUDIT_ARCH_FRV (EM_FRV)
  226. #define AUDIT_ARCH_H8300 (EM_H8_300)
  227. #define AUDIT_ARCH_I386 (EM_386|__AUDIT_ARCH_LE)
  228. #define AUDIT_ARCH_IA64 (EM_IA_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
  229. #define AUDIT_ARCH_M32R (EM_M32R)
  230. #define AUDIT_ARCH_M68K (EM_68K)
  231. #define AUDIT_ARCH_MIPS (EM_MIPS)
  232. #define AUDIT_ARCH_MIPSEL (EM_MIPS|__AUDIT_ARCH_LE)
  233. #define AUDIT_ARCH_MIPS64 (EM_MIPS|__AUDIT_ARCH_64BIT)
  234. #define AUDIT_ARCH_MIPSEL64 (EM_MIPS|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
  235. #define AUDIT_ARCH_PARISC (EM_PARISC)
  236. #define AUDIT_ARCH_PARISC64 (EM_PARISC|__AUDIT_ARCH_64BIT)
  237. #define AUDIT_ARCH_PPC (EM_PPC)
  238. #define AUDIT_ARCH_PPC64 (EM_PPC64|__AUDIT_ARCH_64BIT)
  239. #define AUDIT_ARCH_S390 (EM_S390)
  240. #define AUDIT_ARCH_S390X (EM_S390|__AUDIT_ARCH_64BIT)
  241. #define AUDIT_ARCH_SH (EM_SH)
  242. #define AUDIT_ARCH_SHEL (EM_SH|__AUDIT_ARCH_LE)
  243. #define AUDIT_ARCH_SH64 (EM_SH|__AUDIT_ARCH_64BIT)
  244. #define AUDIT_ARCH_SHEL64 (EM_SH|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
  245. #define AUDIT_ARCH_SPARC (EM_SPARC)
  246. #define AUDIT_ARCH_SPARC64 (EM_SPARCV9|__AUDIT_ARCH_64BIT)
  247. #define AUDIT_ARCH_V850 (EM_V850|__AUDIT_ARCH_LE)
  248. #define AUDIT_ARCH_X86_64 (EM_X86_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
  249. #define AUDIT_PERM_EXEC 1
  250. #define AUDIT_PERM_WRITE 2
  251. #define AUDIT_PERM_READ 4
  252. #define AUDIT_PERM_ATTR 8
  253. struct audit_status {
  254. __u32 mask; /* Bit mask for valid entries */
  255. __u32 enabled; /* 1 = enabled, 0 = disabled */
  256. __u32 failure; /* Failure-to-log action */
  257. __u32 pid; /* pid of auditd process */
  258. __u32 rate_limit; /* messages rate limit (per second) */
  259. __u32 backlog_limit; /* waiting messages limit */
  260. __u32 lost; /* messages lost */
  261. __u32 backlog; /* messages waiting in queue */
  262. };
  263. /* audit_rule_data supports filter rules with both integer and string
  264. * fields. It corresponds with AUDIT_ADD_RULE, AUDIT_DEL_RULE and
  265. * AUDIT_LIST_RULES requests.
  266. */
  267. struct audit_rule_data {
  268. __u32 flags; /* AUDIT_PER_{TASK,CALL}, AUDIT_PREPEND */
  269. __u32 action; /* AUDIT_NEVER, AUDIT_POSSIBLE, AUDIT_ALWAYS */
  270. __u32 field_count;
  271. __u32 mask[AUDIT_BITMASK_SIZE]; /* syscall(s) affected */
  272. __u32 fields[AUDIT_MAX_FIELDS];
  273. __u32 values[AUDIT_MAX_FIELDS];
  274. __u32 fieldflags[AUDIT_MAX_FIELDS];
  275. __u32 buflen; /* total length of string fields */
  276. char buf[0]; /* string fields buffer */
  277. };
  278. /* audit_rule is supported to maintain backward compatibility with
  279. * userspace. It supports integer fields only and corresponds to
  280. * AUDIT_ADD, AUDIT_DEL and AUDIT_LIST requests.
  281. */
  282. struct audit_rule { /* for AUDIT_LIST, AUDIT_ADD, and AUDIT_DEL */
  283. __u32 flags; /* AUDIT_PER_{TASK,CALL}, AUDIT_PREPEND */
  284. __u32 action; /* AUDIT_NEVER, AUDIT_POSSIBLE, AUDIT_ALWAYS */
  285. __u32 field_count;
  286. __u32 mask[AUDIT_BITMASK_SIZE];
  287. __u32 fields[AUDIT_MAX_FIELDS];
  288. __u32 values[AUDIT_MAX_FIELDS];
  289. };
  290. #ifdef __KERNEL__
  291. #include <linux/sched.h>
  292. struct audit_sig_info {
  293. uid_t uid;
  294. pid_t pid;
  295. char ctx[0];
  296. };
  297. struct audit_buffer;
  298. struct audit_context;
  299. struct inode;
  300. struct netlink_skb_parms;
  301. struct linux_binprm;
  302. struct mq_attr;
  303. struct mqstat;
  304. #define AUDITSC_INVALID 0
  305. #define AUDITSC_SUCCESS 1
  306. #define AUDITSC_FAILURE 2
  307. #define AUDITSC_RESULT(x) ( ((long)(x))<0?AUDITSC_FAILURE:AUDITSC_SUCCESS )
  308. extern int __init audit_register_class(int class, unsigned *list);
  309. extern int audit_classify_syscall(int abi, unsigned syscall);
  310. extern int audit_classify_arch(int arch);
  311. #ifdef CONFIG_AUDITSYSCALL
  312. /* These are defined in auditsc.c */
  313. /* Public API */
  314. extern int audit_alloc(struct task_struct *task);
  315. extern void audit_free(struct task_struct *task);
  316. extern void audit_syscall_entry(int arch,
  317. int major, unsigned long a0, unsigned long a1,
  318. unsigned long a2, unsigned long a3);
  319. extern void audit_syscall_exit(int failed, long return_code);
  320. extern void __audit_getname(const char *name);
  321. extern void audit_putname(const char *name);
  322. extern void __audit_inode(const char *name, const struct inode *inode);
  323. extern void __audit_inode_child(const char *dname, const struct inode *inode,
  324. const struct inode *parent);
  325. extern void __audit_ptrace(struct task_struct *t);
  326. static inline int audit_dummy_context(void)
  327. {
  328. void *p = current->audit_context;
  329. return !p || *(int *)p;
  330. }
  331. static inline void audit_getname(const char *name)
  332. {
  333. if (unlikely(!audit_dummy_context()))
  334. __audit_getname(name);
  335. }
  336. static inline void audit_inode(const char *name, const struct inode *inode) {
  337. if (unlikely(!audit_dummy_context()))
  338. __audit_inode(name, inode);
  339. }
  340. static inline void audit_inode_child(const char *dname,
  341. const struct inode *inode,
  342. const struct inode *parent) {
  343. if (unlikely(!audit_dummy_context()))
  344. __audit_inode_child(dname, inode, parent);
  345. }
  346. static inline void audit_ptrace(struct task_struct *t)
  347. {
  348. if (unlikely(!audit_dummy_context()))
  349. __audit_ptrace(t);
  350. }
  351. /* Private API (for audit.c only) */
  352. extern unsigned int audit_serial(void);
  353. extern void auditsc_get_stamp(struct audit_context *ctx,
  354. struct timespec *t, unsigned int *serial);
  355. extern int audit_set_loginuid(struct task_struct *task, uid_t loginuid);
  356. extern uid_t audit_get_loginuid(struct audit_context *ctx);
  357. extern void audit_log_task_context(struct audit_buffer *ab);
  358. extern int __audit_ipc_obj(struct kern_ipc_perm *ipcp);
  359. extern int __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode);
  360. extern int audit_bprm(struct linux_binprm *bprm);
  361. extern int audit_socketcall(int nargs, unsigned long *args);
  362. extern int audit_sockaddr(int len, void *addr);
  363. extern int __audit_fd_pair(int fd1, int fd2);
  364. extern int audit_avc_path(struct dentry *dentry, struct vfsmount *mnt);
  365. extern int audit_set_macxattr(const char *name);
  366. extern int __audit_mq_open(int oflag, mode_t mode, struct mq_attr __user *u_attr);
  367. extern int __audit_mq_timedsend(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec __user *u_abs_timeout);
  368. extern int __audit_mq_timedreceive(mqd_t mqdes, size_t msg_len, unsigned int __user *u_msg_prio, const struct timespec __user *u_abs_timeout);
  369. extern int __audit_mq_notify(mqd_t mqdes, const struct sigevent __user *u_notification);
  370. extern int __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat);
  371. static inline int audit_ipc_obj(struct kern_ipc_perm *ipcp)
  372. {
  373. if (unlikely(!audit_dummy_context()))
  374. return __audit_ipc_obj(ipcp);
  375. return 0;
  376. }
  377. static inline int audit_fd_pair(int fd1, int fd2)
  378. {
  379. if (unlikely(!audit_dummy_context()))
  380. return __audit_fd_pair(fd1, fd2);
  381. return 0;
  382. }
  383. static inline int audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode)
  384. {
  385. if (unlikely(!audit_dummy_context()))
  386. return __audit_ipc_set_perm(qbytes, uid, gid, mode);
  387. return 0;
  388. }
  389. static inline int audit_mq_open(int oflag, mode_t mode, struct mq_attr __user *u_attr)
  390. {
  391. if (unlikely(!audit_dummy_context()))
  392. return __audit_mq_open(oflag, mode, u_attr);
  393. return 0;
  394. }
  395. static inline int audit_mq_timedsend(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec __user *u_abs_timeout)
  396. {
  397. if (unlikely(!audit_dummy_context()))
  398. return __audit_mq_timedsend(mqdes, msg_len, msg_prio, u_abs_timeout);
  399. return 0;
  400. }
  401. static inline int audit_mq_timedreceive(mqd_t mqdes, size_t msg_len, unsigned int __user *u_msg_prio, const struct timespec __user *u_abs_timeout)
  402. {
  403. if (unlikely(!audit_dummy_context()))
  404. return __audit_mq_timedreceive(mqdes, msg_len, u_msg_prio, u_abs_timeout);
  405. return 0;
  406. }
  407. static inline int audit_mq_notify(mqd_t mqdes, const struct sigevent __user *u_notification)
  408. {
  409. if (unlikely(!audit_dummy_context()))
  410. return __audit_mq_notify(mqdes, u_notification);
  411. return 0;
  412. }
  413. static inline int audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat)
  414. {
  415. if (unlikely(!audit_dummy_context()))
  416. return __audit_mq_getsetattr(mqdes, mqstat);
  417. return 0;
  418. }
  419. extern int audit_n_rules;
  420. extern int audit_signals;
  421. #else
  422. #define audit_alloc(t) ({ 0; })
  423. #define audit_free(t) do { ; } while (0)
  424. #define audit_syscall_entry(ta,a,b,c,d,e) do { ; } while (0)
  425. #define audit_syscall_exit(f,r) do { ; } while (0)
  426. #define audit_dummy_context() 1
  427. #define audit_getname(n) do { ; } while (0)
  428. #define audit_putname(n) do { ; } while (0)
  429. #define __audit_inode(n,i) do { ; } while (0)
  430. #define __audit_inode_child(d,i,p) do { ; } while (0)
  431. #define audit_inode(n,i) do { ; } while (0)
  432. #define audit_inode_child(d,i,p) do { ; } while (0)
  433. #define auditsc_get_stamp(c,t,s) do { BUG(); } while (0)
  434. #define audit_get_loginuid(c) ({ -1; })
  435. #define audit_log_task_context(b) do { ; } while (0)
  436. #define audit_ipc_obj(i) ({ 0; })
  437. #define audit_ipc_set_perm(q,u,g,m) ({ 0; })
  438. #define audit_bprm(p) ({ 0; })
  439. #define audit_socketcall(n,a) ({ 0; })
  440. #define audit_fd_pair(n,a) ({ 0; })
  441. #define audit_sockaddr(len, addr) ({ 0; })
  442. #define audit_avc_path(dentry, mnt) ({ 0; })
  443. #define audit_set_macxattr(n) do { ; } while (0)
  444. #define audit_mq_open(o,m,a) ({ 0; })
  445. #define audit_mq_timedsend(d,l,p,t) ({ 0; })
  446. #define audit_mq_timedreceive(d,l,p,t) ({ 0; })
  447. #define audit_mq_notify(d,n) ({ 0; })
  448. #define audit_mq_getsetattr(d,s) ({ 0; })
  449. #define audit_ptrace(t) ((void)0)
  450. #define audit_n_rules 0
  451. #define audit_signals 0
  452. #endif
  453. #ifdef CONFIG_AUDIT
  454. /* These are defined in audit.c */
  455. /* Public API */
  456. extern void audit_log(struct audit_context *ctx, gfp_t gfp_mask,
  457. int type, const char *fmt, ...)
  458. __attribute__((format(printf,4,5)));
  459. extern struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp_mask, int type);
  460. extern void audit_log_format(struct audit_buffer *ab,
  461. const char *fmt, ...)
  462. __attribute__((format(printf,2,3)));
  463. extern void audit_log_end(struct audit_buffer *ab);
  464. extern void audit_log_hex(struct audit_buffer *ab,
  465. const unsigned char *buf,
  466. size_t len);
  467. extern const char * audit_log_untrustedstring(struct audit_buffer *ab,
  468. const char *string);
  469. extern const char * audit_log_n_untrustedstring(struct audit_buffer *ab,
  470. size_t n,
  471. const char *string);
  472. extern void audit_log_d_path(struct audit_buffer *ab,
  473. const char *prefix,
  474. struct dentry *dentry,
  475. struct vfsmount *vfsmnt);
  476. /* Private API (for audit.c only) */
  477. extern int audit_filter_user(struct netlink_skb_parms *cb, int type);
  478. extern int audit_filter_type(int type);
  479. extern int audit_receive_filter(int type, int pid, int uid, int seq,
  480. void *data, size_t datasz, uid_t loginuid, u32 sid);
  481. #else
  482. #define audit_log(c,g,t,f,...) do { ; } while (0)
  483. #define audit_log_start(c,g,t) ({ NULL; })
  484. #define audit_log_vformat(b,f,a) do { ; } while (0)
  485. #define audit_log_format(b,f,...) do { ; } while (0)
  486. #define audit_log_end(b) do { ; } while (0)
  487. #define audit_log_hex(a,b,l) do { ; } while (0)
  488. #define audit_log_untrustedstring(a,s) do { ; } while (0)
  489. #define audit_log_n_untrustedstring(a,n,s) do { ; } while (0)
  490. #define audit_log_d_path(b,p,d,v) do { ; } while (0)
  491. #endif
  492. #endif
  493. #endif