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 <[email protected]> 21 * 22 */ 23 24 #ifndef _LINUX_AUDIT_H_ 25 #define _LINUX_AUDIT_H_ 26 27 #include <linux/types.h> 28 #include <linux/elf-em.h> 29 30 /* The netlink messages for the audit system is divided into blocks: 31 * 1000 - 1099 are for commanding the audit system 32 * 1100 - 1199 user space trusted application messages 33 * 1200 - 1299 messages internal to the audit daemon 34 * 1300 - 1399 audit event messages 35 * 1400 - 1499 SE Linux use 36 * 1500 - 1599 kernel LSPP events 37 * 1600 - 1699 kernel crypto events 38 * 1700 - 1799 kernel anomaly records 39 * 1800 - 1999 future kernel use (maybe integrity labels and related events) 40 * 2000 is for otherwise unclassified kernel audit messages (legacy) 41 * 2001 - 2099 unused (kernel) 42 * 2100 - 2199 user space anomaly records 43 * 2200 - 2299 user space actions taken in response to anomalies 44 * 2300 - 2399 user space generated LSPP events 45 * 2400 - 2499 user space crypto events 46 * 2500 - 2999 future user space (maybe integrity labels and related events) 47 * 48 * Messages from 1000-1199 are bi-directional. 1200-1299 & 2100 - 2999 are 49 * exclusively user space. 1300-2099 is kernel --> user space 50 * communication. 51 */ 52 #define AUDIT_GET 1000 /* Get status */ 53 #define AUDIT_SET 1001 /* Set status (enable/disable/auditd) */ 54 #define AUDIT_LIST 1002 /* List syscall rules -- deprecated */ 55 #define AUDIT_ADD 1003 /* Add syscall rule -- deprecated */ 56 #define AUDIT_DEL 1004 /* Delete syscall rule -- deprecated */ 57 #define AUDIT_USER 1005 /* Message from userspace -- deprecated */ 58 #define AUDIT_LOGIN 1006 /* Define the login id and information */ 59 #define AUDIT_WATCH_INS 1007 /* Insert file/dir watch entry */ 60 #define AUDIT_WATCH_REM 1008 /* Remove file/dir watch entry */ 61 #define AUDIT_WATCH_LIST 1009 /* List all file/dir watches */ 62 #define AUDIT_SIGNAL_INFO 1010 /* Get info about sender of signal to auditd */ 63 #define AUDIT_ADD_RULE 1011 /* Add syscall filtering rule */ 64 #define AUDIT_DEL_RULE 1012 /* Delete syscall filtering rule */ 65 #define AUDIT_LIST_RULES 1013 /* List syscall filtering rules */ 66 67 #define AUDIT_FIRST_USER_MSG 1100 /* Userspace messages mostly uninteresting to kernel */ 68 #define AUDIT_USER_AVC 1107 /* We filter this differently */ 69 #define AUDIT_LAST_USER_MSG 1199 70 #define AUDIT_FIRST_USER_MSG2 2100 /* More user space messages */ 71 #define AUDIT_LAST_USER_MSG2 2999 72 73 #define AUDIT_DAEMON_START 1200 /* Daemon startup record */ 74 #define AUDIT_DAEMON_END 1201 /* Daemon normal stop record */ 75 #define AUDIT_DAEMON_ABORT 1202 /* Daemon error stop record */ 76 #define AUDIT_DAEMON_CONFIG 1203 /* Daemon config change */ 77 78 #define AUDIT_SYSCALL 1300 /* Syscall event */ 79 /* #define AUDIT_FS_WATCH 1301 * Deprecated */ 80 #define AUDIT_PATH 1302 /* Filename path information */ 81 #define AUDIT_IPC 1303 /* IPC record */ 82 #define AUDIT_SOCKETCALL 1304 /* sys_socketcall arguments */ 83 #define AUDIT_CONFIG_CHANGE 1305 /* Audit system configuration change */ 84 #define AUDIT_SOCKADDR 1306 /* sockaddr copied as syscall arg */ 85 #define AUDIT_CWD 1307 /* Current working directory */ 86 #define AUDIT_EXECVE 1309 /* execve arguments */ 87 #define AUDIT_IPC_SET_PERM 1311 /* IPC new permissions record type */ 88 #define AUDIT_MQ_OPEN 1312 /* POSIX MQ open record type */ 89 #define AUDIT_MQ_SENDRECV 1313 /* POSIX MQ send/receive record type */ 90 #define AUDIT_MQ_NOTIFY 1314 /* POSIX MQ notify record type */ 91 #define AUDIT_MQ_GETSETATTR 1315 /* POSIX MQ get/set attribute record type */ 92 #define AUDIT_KERNEL_OTHER 1316 /* For use by 3rd party modules */ 93 #define AUDIT_FD_PAIR 1317 /* audit record for pipe/socketpair */ 94 #define AUDIT_OBJ_PID 1318 /* ptrace target */ 95 96 #define AUDIT_AVC 1400 /* SE Linux avc denial or grant */ 97 #define AUDIT_SELINUX_ERR 1401 /* Internal SE Linux Errors */ 98 #define AUDIT_AVC_PATH 1402 /* dentry, vfsmount pair from avc */ 99 #define AUDIT_MAC_POLICY_LOAD 1403 /* Policy file load */ 100 #define AUDIT_MAC_STATUS 1404 /* Changed enforcing,permissive,off */ 101 #define AUDIT_MAC_CONFIG_CHANGE 1405 /* Changes to booleans */ 102 #define AUDIT_MAC_UNLBL_ALLOW 1406 /* NetLabel: allow unlabeled traffic */ 103 #define AUDIT_MAC_CIPSOV4_ADD 1407 /* NetLabel: add CIPSOv4 DOI entry */ 104 #define AUDIT_MAC_CIPSOV4_DEL 1408 /* NetLabel: del CIPSOv4 DOI entry */ 105 #define AUDIT_MAC_MAP_ADD 1409 /* NetLabel: add LSM domain mapping */ 106 #define AUDIT_MAC_MAP_DEL 1410 /* NetLabel: del LSM domain mapping */ 107 #define AUDIT_MAC_IPSEC_ADDSA 1411 /* Add a XFRM state */ 108 #define AUDIT_MAC_IPSEC_DELSA 1412 /* Delete a XFRM state */ 109 #define AUDIT_MAC_IPSEC_ADDSPD 1413 /* Add a XFRM policy */ 110 #define AUDIT_MAC_IPSEC_DELSPD 1414 /* Delete a XFRM policy */ 111 112 #define AUDIT_FIRST_KERN_ANOM_MSG 1700 113 #define AUDIT_LAST_KERN_ANOM_MSG 1799 114 #define AUDIT_ANOM_PROMISCUOUS 1700 /* Device changed promiscuous mode */ 115 #define AUDIT_ANOM_ABEND 1701 /* Process ended abnormally */ 116 117 #define AUDIT_KERNEL 2000 /* Asynchronous audit record. NOT A REQUEST. */ 118 119 /* Rule flags */ 120 #define AUDIT_FILTER_USER 0x00 /* Apply rule to user-generated messages */ 121 #define AUDIT_FILTER_TASK 0x01 /* Apply rule at task creation (not syscall) */ 122 #define AUDIT_FILTER_ENTRY 0x02 /* Apply rule at syscall entry */ 123 #define AUDIT_FILTER_WATCH 0x03 /* Apply rule to file system watches */ 124 #define AUDIT_FILTER_EXIT 0x04 /* Apply rule at syscall exit */ 125 #define AUDIT_FILTER_TYPE 0x05 /* Apply rule at audit_log_start */ 126 127 #define AUDIT_NR_FILTERS 6 128 129 #define AUDIT_FILTER_PREPEND 0x10 /* Prepend to front of list */ 130 131 /* Rule actions */ 132 #define AUDIT_NEVER 0 /* Do not build context if rule matches */ 133 #define AUDIT_POSSIBLE 1 /* Build context if rule matches */ 134 #define AUDIT_ALWAYS 2 /* Generate audit record if rule matches */ 135 136 /* Rule structure sizes -- if these change, different AUDIT_ADD and 137 * AUDIT_LIST commands must be implemented. */ 138 #define AUDIT_MAX_FIELDS 64 139 #define AUDIT_MAX_KEY_LEN 32 140 #define AUDIT_BITMASK_SIZE 64 141 #define AUDIT_WORD(nr) ((__u32)((nr)/32)) 142 #define AUDIT_BIT(nr) (1 << ((nr) - AUDIT_WORD(nr)*32)) 143 144 #define AUDIT_SYSCALL_CLASSES 16 145 #define AUDIT_CLASS_DIR_WRITE 0 146 #define AUDIT_CLASS_DIR_WRITE_32 1 147 #define AUDIT_CLASS_CHATTR 2 148 #define AUDIT_CLASS_CHATTR_32 3 149 #define AUDIT_CLASS_READ 4 150 #define AUDIT_CLASS_READ_32 5 151 #define AUDIT_CLASS_WRITE 6 152 #define AUDIT_CLASS_WRITE_32 7 153 #define AUDIT_CLASS_SIGNAL 8 154 #define AUDIT_CLASS_SIGNAL_32 9 155 156 /* This bitmask is used to validate user input. It represents all bits that 157 * are currently used in an audit field constant understood by the kernel. 158 * If you are adding a new #define AUDIT_<whatever>, please ensure that 159 * AUDIT_UNUSED_BITS is updated if need be. */ 160 #define AUDIT_UNUSED_BITS 0x0FFFFC00 161 162 163 /* Rule fields */ 164 /* These are useful when checking the 165 * task structure at task creation time 166 * (AUDIT_PER_TASK). */ 167 #define AUDIT_PID 0 168 #define AUDIT_UID 1 169 #define AUDIT_EUID 2 170 #define AUDIT_SUID 3 171 #define AUDIT_FSUID 4 172 #define AUDIT_GID 5 173 #define AUDIT_EGID 6 174 #define AUDIT_SGID 7 175 #define AUDIT_FSGID 8 176 #define AUDIT_LOGINUID 9 177 #define AUDIT_PERS 10 178 #define AUDIT_ARCH 11 179 #define AUDIT_MSGTYPE 12 180 #define AUDIT_SUBJ_USER 13 /* security label user */ 181 #define AUDIT_SUBJ_ROLE 14 /* security label role */ 182 #define AUDIT_SUBJ_TYPE 15 /* security label type */ 183 #define AUDIT_SUBJ_SEN 16 /* security label sensitivity label */ 184 #define AUDIT_SUBJ_CLR 17 /* security label clearance label */ 185 #define AUDIT_PPID 18 186 #define AUDIT_OBJ_USER 19 187 #define AUDIT_OBJ_ROLE 20 188 #define AUDIT_OBJ_TYPE 21 189 #define AUDIT_OBJ_LEV_LOW 22 190 #define AUDIT_OBJ_LEV_HIGH 23 191 192 /* These are ONLY useful when checking 193 * at syscall exit time (AUDIT_AT_EXIT). */ 194 #define AUDIT_DEVMAJOR 100 195 #define AUDIT_DEVMINOR 101 196 #define AUDIT_INODE 102 197 #define AUDIT_EXIT 103 198 #define AUDIT_SUCCESS 104 /* exit >= 0; value ignored */ 199 #define AUDIT_WATCH 105 200 #define AUDIT_PERM 106 201 202 #define AUDIT_ARG0 200 203 #define AUDIT_ARG1 (AUDIT_ARG0+1) 204 #define AUDIT_ARG2 (AUDIT_ARG0+2) 205 #define AUDIT_ARG3 (AUDIT_ARG0+3) 206 207 #define AUDIT_FILTERKEY 210 208 209 #define AUDIT_NEGATE 0x80000000 210 211 /* These are the supported operators. 212 * 4 2 1 213 * = > < 214 * ------- 215 * 0 0 0 0 nonsense 216 * 0 0 1 1 < 217 * 0 1 0 2 > 218 * 0 1 1 3 != 219 * 1 0 0 4 = 220 * 1 0 1 5 <= 221 * 1 1 0 6 >= 222 * 1 1 1 7 all operators 223 */ 224 #define AUDIT_LESS_THAN 0x10000000 225 #define AUDIT_GREATER_THAN 0x20000000 226 #define AUDIT_NOT_EQUAL 0x30000000 227 #define AUDIT_EQUAL 0x40000000 228 #define AUDIT_LESS_THAN_OR_EQUAL (AUDIT_LESS_THAN|AUDIT_EQUAL) 229 #define AUDIT_GREATER_THAN_OR_EQUAL (AUDIT_GREATER_THAN|AUDIT_EQUAL) 230 #define AUDIT_OPERATORS (AUDIT_EQUAL|AUDIT_NOT_EQUAL) 231 232 /* Status symbols */ 233 /* Mask values */ 234 #define AUDIT_STATUS_ENABLED 0x0001 235 #define AUDIT_STATUS_FAILURE 0x0002 236 #define AUDIT_STATUS_PID 0x0004 237 #define AUDIT_STATUS_RATE_LIMIT 0x0008 238 #define AUDIT_STATUS_BACKLOG_LIMIT 0x0010 239 /* Failure-to-log actions */ 240 #define AUDIT_FAIL_SILENT 0 241 #define AUDIT_FAIL_PRINTK 1 242 #define AUDIT_FAIL_PANIC 2 243 244 /* distinguish syscall tables */ 245 #define __AUDIT_ARCH_64BIT 0x80000000 246 #define __AUDIT_ARCH_LE 0x40000000 247 #define AUDIT_ARCH_ALPHA (EM_ALPHA|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) 248 #define AUDIT_ARCH_ARM (EM_ARM|__AUDIT_ARCH_LE) 249 #define AUDIT_ARCH_ARMEB (EM_ARM) 250 #define AUDIT_ARCH_CRIS (EM_CRIS|__AUDIT_ARCH_LE) 251 #define AUDIT_ARCH_FRV (EM_FRV) 252 #define AUDIT_ARCH_H8300 (EM_H8_300) 253 #define AUDIT_ARCH_I386 (EM_386|__AUDIT_ARCH_LE) 254 #define AUDIT_ARCH_IA64 (EM_IA_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) 255 #define AUDIT_ARCH_M32R (EM_M32R) 256 #define AUDIT_ARCH_M68K (EM_68K) 257 #define AUDIT_ARCH_MIPS (EM_MIPS) 258 #define AUDIT_ARCH_MIPSEL (EM_MIPS|__AUDIT_ARCH_LE) 259 #define AUDIT_ARCH_MIPS64 (EM_MIPS|__AUDIT_ARCH_64BIT) 260 #define AUDIT_ARCH_MIPSEL64 (EM_MIPS|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) 261 #define AUDIT_ARCH_PARISC (EM_PARISC) 262 #define AUDIT_ARCH_PARISC64 (EM_PARISC|__AUDIT_ARCH_64BIT) 263 #define AUDIT_ARCH_PPC (EM_PPC) 264 #define AUDIT_ARCH_PPC64 (EM_PPC64|__AUDIT_ARCH_64BIT) 265 #define AUDIT_ARCH_S390 (EM_S390) 266 #define AUDIT_ARCH_S390X (EM_S390|__AUDIT_ARCH_64BIT) 267 #define AUDIT_ARCH_SH (EM_SH) 268 #define AUDIT_ARCH_SHEL (EM_SH|__AUDIT_ARCH_LE) 269 #define AUDIT_ARCH_SH64 (EM_SH|__AUDIT_ARCH_64BIT) 270 #define AUDIT_ARCH_SHEL64 (EM_SH|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) 271 #define AUDIT_ARCH_SPARC (EM_SPARC) 272 #define AUDIT_ARCH_SPARC64 (EM_SPARCV9|__AUDIT_ARCH_64BIT) 273 #define AUDIT_ARCH_V850 (EM_V850|__AUDIT_ARCH_LE) 274 #define AUDIT_ARCH_X86_64 (EM_X86_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) 275 276 #define AUDIT_PERM_EXEC 1 277 #define AUDIT_PERM_WRITE 2 278 #define AUDIT_PERM_READ 4 279 #define AUDIT_PERM_ATTR 8 280 281 struct audit_status { 282 __u32 mask; /* Bit mask for valid entries */ 283 __u32 enabled; /* 1 = enabled, 0 = disabled */ 284 __u32 failure; /* Failure-to-log action */ 285 __u32 pid; /* pid of auditd process */ 286 __u32 rate_limit; /* messages rate limit (per second) */ 287 __u32 backlog_limit; /* waiting messages limit */ 288 __u32 lost; /* messages lost */ 289 __u32 backlog; /* messages waiting in queue */ 290 }; 291 292 /* audit_rule_data supports filter rules with both integer and string 293 * fields. It corresponds with AUDIT_ADD_RULE, AUDIT_DEL_RULE and 294 * AUDIT_LIST_RULES requests. 295 */ 296 struct audit_rule_data { 297 __u32 flags; /* AUDIT_PER_{TASK,CALL}, AUDIT_PREPEND */ 298 __u32 action; /* AUDIT_NEVER, AUDIT_POSSIBLE, AUDIT_ALWAYS */ 299 __u32 field_count; 300 __u32 mask[AUDIT_BITMASK_SIZE]; /* syscall(s) affected */ 301 __u32 fields[AUDIT_MAX_FIELDS]; 302 __u32 values[AUDIT_MAX_FIELDS]; 303 __u32 fieldflags[AUDIT_MAX_FIELDS]; 304 __u32 buflen; /* total length of string fields */ 305 char buf[0]; /* string fields buffer */ 306 }; 307 308 /* audit_rule is supported to maintain backward compatibility with 309 * userspace. It supports integer fields only and corresponds to 310 * AUDIT_ADD, AUDIT_DEL and AUDIT_LIST requests. 311 */ 312 struct audit_rule { /* for AUDIT_LIST, AUDIT_ADD, and AUDIT_DEL */ 313 __u32 flags; /* AUDIT_PER_{TASK,CALL}, AUDIT_PREPEND */ 314 __u32 action; /* AUDIT_NEVER, AUDIT_POSSIBLE, AUDIT_ALWAYS */ 315 __u32 field_count; 316 __u32 mask[AUDIT_BITMASK_SIZE]; 317 __u32 fields[AUDIT_MAX_FIELDS]; 318 __u32 values[AUDIT_MAX_FIELDS]; 319 }; 320 321 #ifdef __KERNEL__ 322 #include <linux/sched.h> 323 324 struct audit_sig_info { 325 uid_t uid; 326 pid_t pid; 327 char ctx[0]; 328 }; 329 330 struct audit_buffer; 331 struct audit_context; 332 struct inode; 333 struct netlink_skb_parms; 334 struct linux_binprm; 335 struct mq_attr; 336 struct mqstat; 337 338 #define AUDITSC_INVALID 0 339 #define AUDITSC_SUCCESS 1 340 #define AUDITSC_FAILURE 2 341 #define AUDITSC_RESULT(x) ( ((long)(x))<0?AUDITSC_FAILURE:AUDITSC_SUCCESS ) 342 extern int __init audit_register_class(int class, unsigned *list); 343 extern int audit_classify_syscall(int abi, unsigned syscall); 344 extern int audit_classify_arch(int arch); 345 #ifdef CONFIG_AUDITSYSCALL 346 /* These are defined in auditsc.c */ 347 /* Public API */ 348 extern int audit_alloc(struct task_struct *task); 349 extern void audit_free(struct task_struct *task); 350 extern void audit_syscall_entry(int arch, 351 int major, unsigned long a0, unsigned long a1, 352 unsigned long a2, unsigned long a3); 353 extern void audit_syscall_exit(int failed, long return_code); 354 extern void __audit_getname(const char *name); 355 extern void audit_putname(const char *name); 356 extern void __audit_inode(const char *name, const struct inode *inode); 357 extern void __audit_inode_child(const char *dname, const struct inode *inode, 358 const struct inode *parent); 359 extern void __audit_ptrace(struct task_struct *t); 360 361 static inline int audit_dummy_context(void) 362 { 363 void *p = current->audit_context; 364 return !p || *(int *)p; 365 } 366 static inline void audit_getname(const char *name) 367 { 368 if (unlikely(!audit_dummy_context())) 369 __audit_getname(name); 370 } 371 static inline void audit_inode(const char *name, const struct inode *inode) { 372 if (unlikely(!audit_dummy_context())) 373 __audit_inode(name, inode); 374 } 375 static inline void audit_inode_child(const char *dname, 376 const struct inode *inode, 377 const struct inode *parent) { 378 if (unlikely(!audit_dummy_context())) 379 __audit_inode_child(dname, inode, parent); 380 } 381 void audit_core_dumps(long signr); 382 383 static inline void audit_ptrace(struct task_struct *t) 384 { 385 if (unlikely(!audit_dummy_context())) 386 __audit_ptrace(t); 387 } 388 389 /* Private API (for audit.c only) */ 390 extern unsigned int audit_serial(void); 391 extern void auditsc_get_stamp(struct audit_context *ctx, 392 struct timespec *t, unsigned int *serial); 393 extern int audit_set_loginuid(struct task_struct *task, uid_t loginuid); 394 extern uid_t audit_get_loginuid(struct audit_context *ctx); 395 extern void audit_log_task_context(struct audit_buffer *ab); 396 extern int __audit_ipc_obj(struct kern_ipc_perm *ipcp); 397 extern int __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode); 398 extern int audit_bprm(struct linux_binprm *bprm); 399 extern int audit_socketcall(int nargs, unsigned long *args); 400 extern int audit_sockaddr(int len, void *addr); 401 extern int __audit_fd_pair(int fd1, int fd2); 402 extern int audit_avc_path(struct dentry *dentry, struct vfsmount *mnt); 403 extern int audit_set_macxattr(const char *name); 404 extern int __audit_mq_open(int oflag, mode_t mode, struct mq_attr __user *u_attr); 405 extern int __audit_mq_timedsend(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec __user *u_abs_timeout); 406 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); 407 extern int __audit_mq_notify(mqd_t mqdes, const struct sigevent __user *u_notification); 408 extern int __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat); 409 410 static inline int audit_ipc_obj(struct kern_ipc_perm *ipcp) 411 { 412 if (unlikely(!audit_dummy_context())) 413 return __audit_ipc_obj(ipcp); 414 return 0; 415 } 416 static inline int audit_fd_pair(int fd1, int fd2) 417 { 418 if (unlikely(!audit_dummy_context())) 419 return __audit_fd_pair(fd1, fd2); 420 return 0; 421 } 422 static inline int audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode) 423 { 424 if (unlikely(!audit_dummy_context())) 425 return __audit_ipc_set_perm(qbytes, uid, gid, mode); 426 return 0; 427 } 428 static inline int audit_mq_open(int oflag, mode_t mode, struct mq_attr __user *u_attr) 429 { 430 if (unlikely(!audit_dummy_context())) 431 return __audit_mq_open(oflag, mode, u_attr); 432 return 0; 433 } 434 static inline int audit_mq_timedsend(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec __user *u_abs_timeout) 435 { 436 if (unlikely(!audit_dummy_context())) 437 return __audit_mq_timedsend(mqdes, msg_len, msg_prio, u_abs_timeout); 438 return 0; 439 } 440 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) 441 { 442 if (unlikely(!audit_dummy_context())) 443 return __audit_mq_timedreceive(mqdes, msg_len, u_msg_prio, u_abs_timeout); 444 return 0; 445 } 446 static inline int audit_mq_notify(mqd_t mqdes, const struct sigevent __user *u_notification) 447 { 448 if (unlikely(!audit_dummy_context())) 449 return __audit_mq_notify(mqdes, u_notification); 450 return 0; 451 } 452 static inline int audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat) 453 { 454 if (unlikely(!audit_dummy_context())) 455 return __audit_mq_getsetattr(mqdes, mqstat); 456 return 0; 457 } 458 extern int audit_n_rules; 459 extern int audit_signals; 460 #else 461 #define audit_alloc(t) ({ 0; }) 462 #define audit_free(t) do { ; } while (0) 463 #define audit_syscall_entry(ta,a,b,c,d,e) do { ; } while (0) 464 #define audit_syscall_exit(f,r) do { ; } while (0) 465 #define audit_dummy_context() 1 466 #define audit_getname(n) do { ; } while (0) 467 #define audit_putname(n) do { ; } while (0) 468 #define __audit_inode(n,i) do { ; } while (0) 469 #define __audit_inode_child(d,i,p) do { ; } while (0) 470 #define audit_inode(n,i) do { ; } while (0) 471 #define audit_inode_child(d,i,p) do { ; } while (0) 472 #define audit_core_dumps(i) do { ; } while (0) 473 #define auditsc_get_stamp(c,t,s) do { BUG(); } while (0) 474 #define audit_get_loginuid(c) ({ -1; }) 475 #define audit_log_task_context(b) do { ; } while (0) 476 #define audit_ipc_obj(i) ({ 0; }) 477 #define audit_ipc_set_perm(q,u,g,m) ({ 0; }) 478 #define audit_bprm(p) ({ 0; }) 479 #define audit_socketcall(n,a) ({ 0; }) 480 #define audit_fd_pair(n,a) ({ 0; }) 481 #define audit_sockaddr(len, addr) ({ 0; }) 482 #define audit_avc_path(dentry, mnt) ({ 0; }) 483 #define audit_set_macxattr(n) do { ; } while (0) 484 #define audit_mq_open(o,m,a) ({ 0; }) 485 #define audit_mq_timedsend(d,l,p,t) ({ 0; }) 486 #define audit_mq_timedreceive(d,l,p,t) ({ 0; }) 487 #define audit_mq_notify(d,n) ({ 0; }) 488 #define audit_mq_getsetattr(d,s) ({ 0; }) 489 #define audit_ptrace(t) ((void)0) 490 #define audit_n_rules 0 491 #define audit_signals 0 492 #endif 493 494 #ifdef CONFIG_AUDIT 495 /* These are defined in audit.c */ 496 /* Public API */ 497 extern void audit_log(struct audit_context *ctx, gfp_t gfp_mask, 498 int type, const char *fmt, ...) 499 __attribute__((format(printf,4,5))); 500 501 extern struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp_mask, int type); 502 extern void audit_log_format(struct audit_buffer *ab, 503 const char *fmt, ...) 504 __attribute__((format(printf,2,3))); 505 extern void audit_log_end(struct audit_buffer *ab); 506 extern void audit_log_hex(struct audit_buffer *ab, 507 const unsigned char *buf, 508 size_t len); 509 extern const char * audit_log_untrustedstring(struct audit_buffer *ab, 510 const char *string); 511 extern const char * audit_log_n_untrustedstring(struct audit_buffer *ab, 512 size_t n, 513 const char *string); 514 extern void audit_log_d_path(struct audit_buffer *ab, 515 const char *prefix, 516 struct dentry *dentry, 517 struct vfsmount *vfsmnt); 518 /* Private API (for audit.c only) */ 519 extern int audit_filter_user(struct netlink_skb_parms *cb, int type); 520 extern int audit_filter_type(int type); 521 extern int audit_receive_filter(int type, int pid, int uid, int seq, 522 void *data, size_t datasz, uid_t loginuid, u32 sid); 523 #else 524 #define audit_log(c,g,t,f,...) do { ; } while (0) 525 #define audit_log_start(c,g,t) ({ NULL; }) 526 #define audit_log_vformat(b,f,a) do { ; } while (0) 527 #define audit_log_format(b,f,...) do { ; } while (0) 528 #define audit_log_end(b) do { ; } while (0) 529 #define audit_log_hex(a,b,l) do { ; } while (0) 530 #define audit_log_untrustedstring(a,s) do { ; } while (0) 531 #define audit_log_n_untrustedstring(a,n,s) do { ; } while (0) 532 #define audit_log_d_path(b,p,d,v) do { ; } while (0) 533 #endif 534 #endif 535 #endif 536