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 #define AUDIT_TTY_GET 1014 /* Get TTY auditing status */ 67 #define AUDIT_TTY_SET 1015 /* Set TTY auditing status */ 68 69 #define AUDIT_FIRST_USER_MSG 1100 /* Userspace messages mostly uninteresting to kernel */ 70 #define AUDIT_USER_AVC 1107 /* We filter this differently */ 71 #define AUDIT_USER_TTY 1124 /* Non-ICANON TTY input meaning */ 72 #define AUDIT_LAST_USER_MSG 1199 73 #define AUDIT_FIRST_USER_MSG2 2100 /* More user space messages */ 74 #define AUDIT_LAST_USER_MSG2 2999 75 76 #define AUDIT_DAEMON_START 1200 /* Daemon startup record */ 77 #define AUDIT_DAEMON_END 1201 /* Daemon normal stop record */ 78 #define AUDIT_DAEMON_ABORT 1202 /* Daemon error stop record */ 79 #define AUDIT_DAEMON_CONFIG 1203 /* Daemon config change */ 80 81 #define AUDIT_SYSCALL 1300 /* Syscall event */ 82 /* #define AUDIT_FS_WATCH 1301 * Deprecated */ 83 #define AUDIT_PATH 1302 /* Filename path information */ 84 #define AUDIT_IPC 1303 /* IPC record */ 85 #define AUDIT_SOCKETCALL 1304 /* sys_socketcall arguments */ 86 #define AUDIT_CONFIG_CHANGE 1305 /* Audit system configuration change */ 87 #define AUDIT_SOCKADDR 1306 /* sockaddr copied as syscall arg */ 88 #define AUDIT_CWD 1307 /* Current working directory */ 89 #define AUDIT_EXECVE 1309 /* execve arguments */ 90 #define AUDIT_IPC_SET_PERM 1311 /* IPC new permissions record type */ 91 #define AUDIT_MQ_OPEN 1312 /* POSIX MQ open record type */ 92 #define AUDIT_MQ_SENDRECV 1313 /* POSIX MQ send/receive record type */ 93 #define AUDIT_MQ_NOTIFY 1314 /* POSIX MQ notify record type */ 94 #define AUDIT_MQ_GETSETATTR 1315 /* POSIX MQ get/set attribute record type */ 95 #define AUDIT_KERNEL_OTHER 1316 /* For use by 3rd party modules */ 96 #define AUDIT_FD_PAIR 1317 /* audit record for pipe/socketpair */ 97 #define AUDIT_OBJ_PID 1318 /* ptrace target */ 98 #define AUDIT_TTY 1319 /* Input on an administrative TTY */ 99 100 #define AUDIT_AVC 1400 /* SE Linux avc denial or grant */ 101 #define AUDIT_SELINUX_ERR 1401 /* Internal SE Linux Errors */ 102 #define AUDIT_AVC_PATH 1402 /* dentry, vfsmount pair from avc */ 103 #define AUDIT_MAC_POLICY_LOAD 1403 /* Policy file load */ 104 #define AUDIT_MAC_STATUS 1404 /* Changed enforcing,permissive,off */ 105 #define AUDIT_MAC_CONFIG_CHANGE 1405 /* Changes to booleans */ 106 #define AUDIT_MAC_UNLBL_ALLOW 1406 /* NetLabel: allow unlabeled traffic */ 107 #define AUDIT_MAC_CIPSOV4_ADD 1407 /* NetLabel: add CIPSOv4 DOI entry */ 108 #define AUDIT_MAC_CIPSOV4_DEL 1408 /* NetLabel: del CIPSOv4 DOI entry */ 109 #define AUDIT_MAC_MAP_ADD 1409 /* NetLabel: add LSM domain mapping */ 110 #define AUDIT_MAC_MAP_DEL 1410 /* NetLabel: del LSM domain mapping */ 111 #define AUDIT_MAC_IPSEC_ADDSA 1411 /* Add a XFRM state */ 112 #define AUDIT_MAC_IPSEC_DELSA 1412 /* Delete a XFRM state */ 113 #define AUDIT_MAC_IPSEC_ADDSPD 1413 /* Add a XFRM policy */ 114 #define AUDIT_MAC_IPSEC_DELSPD 1414 /* Delete a XFRM policy */ 115 116 #define AUDIT_FIRST_KERN_ANOM_MSG 1700 117 #define AUDIT_LAST_KERN_ANOM_MSG 1799 118 #define AUDIT_ANOM_PROMISCUOUS 1700 /* Device changed promiscuous mode */ 119 #define AUDIT_ANOM_ABEND 1701 /* Process ended abnormally */ 120 121 #define AUDIT_KERNEL 2000 /* Asynchronous audit record. NOT A REQUEST. */ 122 123 /* Rule flags */ 124 #define AUDIT_FILTER_USER 0x00 /* Apply rule to user-generated messages */ 125 #define AUDIT_FILTER_TASK 0x01 /* Apply rule at task creation (not syscall) */ 126 #define AUDIT_FILTER_ENTRY 0x02 /* Apply rule at syscall entry */ 127 #define AUDIT_FILTER_WATCH 0x03 /* Apply rule to file system watches */ 128 #define AUDIT_FILTER_EXIT 0x04 /* Apply rule at syscall exit */ 129 #define AUDIT_FILTER_TYPE 0x05 /* Apply rule at audit_log_start */ 130 131 #define AUDIT_NR_FILTERS 6 132 133 #define AUDIT_FILTER_PREPEND 0x10 /* Prepend to front of list */ 134 135 /* Rule actions */ 136 #define AUDIT_NEVER 0 /* Do not build context if rule matches */ 137 #define AUDIT_POSSIBLE 1 /* Build context if rule matches */ 138 #define AUDIT_ALWAYS 2 /* Generate audit record if rule matches */ 139 140 /* Rule structure sizes -- if these change, different AUDIT_ADD and 141 * AUDIT_LIST commands must be implemented. */ 142 #define AUDIT_MAX_FIELDS 64 143 #define AUDIT_MAX_KEY_LEN 32 144 #define AUDIT_BITMASK_SIZE 64 145 #define AUDIT_WORD(nr) ((__u32)((nr)/32)) 146 #define AUDIT_BIT(nr) (1 << ((nr) - AUDIT_WORD(nr)*32)) 147 148 #define AUDIT_SYSCALL_CLASSES 16 149 #define AUDIT_CLASS_DIR_WRITE 0 150 #define AUDIT_CLASS_DIR_WRITE_32 1 151 #define AUDIT_CLASS_CHATTR 2 152 #define AUDIT_CLASS_CHATTR_32 3 153 #define AUDIT_CLASS_READ 4 154 #define AUDIT_CLASS_READ_32 5 155 #define AUDIT_CLASS_WRITE 6 156 #define AUDIT_CLASS_WRITE_32 7 157 #define AUDIT_CLASS_SIGNAL 8 158 #define AUDIT_CLASS_SIGNAL_32 9 159 160 /* This bitmask is used to validate user input. It represents all bits that 161 * are currently used in an audit field constant understood by the kernel. 162 * If you are adding a new #define AUDIT_<whatever>, please ensure that 163 * AUDIT_UNUSED_BITS is updated if need be. */ 164 #define AUDIT_UNUSED_BITS 0x07FFFC00 165 166 167 /* Rule fields */ 168 /* These are useful when checking the 169 * task structure at task creation time 170 * (AUDIT_PER_TASK). */ 171 #define AUDIT_PID 0 172 #define AUDIT_UID 1 173 #define AUDIT_EUID 2 174 #define AUDIT_SUID 3 175 #define AUDIT_FSUID 4 176 #define AUDIT_GID 5 177 #define AUDIT_EGID 6 178 #define AUDIT_SGID 7 179 #define AUDIT_FSGID 8 180 #define AUDIT_LOGINUID 9 181 #define AUDIT_PERS 10 182 #define AUDIT_ARCH 11 183 #define AUDIT_MSGTYPE 12 184 #define AUDIT_SUBJ_USER 13 /* security label user */ 185 #define AUDIT_SUBJ_ROLE 14 /* security label role */ 186 #define AUDIT_SUBJ_TYPE 15 /* security label type */ 187 #define AUDIT_SUBJ_SEN 16 /* security label sensitivity label */ 188 #define AUDIT_SUBJ_CLR 17 /* security label clearance label */ 189 #define AUDIT_PPID 18 190 #define AUDIT_OBJ_USER 19 191 #define AUDIT_OBJ_ROLE 20 192 #define AUDIT_OBJ_TYPE 21 193 #define AUDIT_OBJ_LEV_LOW 22 194 #define AUDIT_OBJ_LEV_HIGH 23 195 196 /* These are ONLY useful when checking 197 * at syscall exit time (AUDIT_AT_EXIT). */ 198 #define AUDIT_DEVMAJOR 100 199 #define AUDIT_DEVMINOR 101 200 #define AUDIT_INODE 102 201 #define AUDIT_EXIT 103 202 #define AUDIT_SUCCESS 104 /* exit >= 0; value ignored */ 203 #define AUDIT_WATCH 105 204 #define AUDIT_PERM 106 205 206 #define AUDIT_ARG0 200 207 #define AUDIT_ARG1 (AUDIT_ARG0+1) 208 #define AUDIT_ARG2 (AUDIT_ARG0+2) 209 #define AUDIT_ARG3 (AUDIT_ARG0+3) 210 211 #define AUDIT_FILTERKEY 210 212 213 #define AUDIT_NEGATE 0x80000000 214 215 /* These are the supported operators. 216 * 4 2 1 8 217 * = > < ? 218 * ---------- 219 * 0 0 0 0 00 nonsense 220 * 0 0 0 1 08 & bit mask 221 * 0 0 1 0 10 < 222 * 0 1 0 0 20 > 223 * 0 1 1 0 30 != 224 * 1 0 0 0 40 = 225 * 1 0 0 1 48 &= bit test 226 * 1 0 1 0 50 <= 227 * 1 1 0 0 60 >= 228 * 1 1 1 1 78 all operators 229 */ 230 #define AUDIT_BIT_MASK 0x08000000 231 #define AUDIT_LESS_THAN 0x10000000 232 #define AUDIT_GREATER_THAN 0x20000000 233 #define AUDIT_NOT_EQUAL 0x30000000 234 #define AUDIT_EQUAL 0x40000000 235 #define AUDIT_BIT_TEST (AUDIT_BIT_MASK|AUDIT_EQUAL) 236 #define AUDIT_LESS_THAN_OR_EQUAL (AUDIT_LESS_THAN|AUDIT_EQUAL) 237 #define AUDIT_GREATER_THAN_OR_EQUAL (AUDIT_GREATER_THAN|AUDIT_EQUAL) 238 #define AUDIT_OPERATORS (AUDIT_EQUAL|AUDIT_NOT_EQUAL|AUDIT_BIT_MASK) 239 240 /* Status symbols */ 241 /* Mask values */ 242 #define AUDIT_STATUS_ENABLED 0x0001 243 #define AUDIT_STATUS_FAILURE 0x0002 244 #define AUDIT_STATUS_PID 0x0004 245 #define AUDIT_STATUS_RATE_LIMIT 0x0008 246 #define AUDIT_STATUS_BACKLOG_LIMIT 0x0010 247 /* Failure-to-log actions */ 248 #define AUDIT_FAIL_SILENT 0 249 #define AUDIT_FAIL_PRINTK 1 250 #define AUDIT_FAIL_PANIC 2 251 252 /* distinguish syscall tables */ 253 #define __AUDIT_ARCH_64BIT 0x80000000 254 #define __AUDIT_ARCH_LE 0x40000000 255 #define AUDIT_ARCH_ALPHA (EM_ALPHA|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) 256 #define AUDIT_ARCH_ARM (EM_ARM|__AUDIT_ARCH_LE) 257 #define AUDIT_ARCH_ARMEB (EM_ARM) 258 #define AUDIT_ARCH_CRIS (EM_CRIS|__AUDIT_ARCH_LE) 259 #define AUDIT_ARCH_FRV (EM_FRV) 260 #define AUDIT_ARCH_H8300 (EM_H8_300) 261 #define AUDIT_ARCH_I386 (EM_386|__AUDIT_ARCH_LE) 262 #define AUDIT_ARCH_IA64 (EM_IA_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) 263 #define AUDIT_ARCH_M32R (EM_M32R) 264 #define AUDIT_ARCH_M68K (EM_68K) 265 #define AUDIT_ARCH_MIPS (EM_MIPS) 266 #define AUDIT_ARCH_MIPSEL (EM_MIPS|__AUDIT_ARCH_LE) 267 #define AUDIT_ARCH_MIPS64 (EM_MIPS|__AUDIT_ARCH_64BIT) 268 #define AUDIT_ARCH_MIPSEL64 (EM_MIPS|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) 269 #define AUDIT_ARCH_PARISC (EM_PARISC) 270 #define AUDIT_ARCH_PARISC64 (EM_PARISC|__AUDIT_ARCH_64BIT) 271 #define AUDIT_ARCH_PPC (EM_PPC) 272 #define AUDIT_ARCH_PPC64 (EM_PPC64|__AUDIT_ARCH_64BIT) 273 #define AUDIT_ARCH_S390 (EM_S390) 274 #define AUDIT_ARCH_S390X (EM_S390|__AUDIT_ARCH_64BIT) 275 #define AUDIT_ARCH_SH (EM_SH) 276 #define AUDIT_ARCH_SHEL (EM_SH|__AUDIT_ARCH_LE) 277 #define AUDIT_ARCH_SH64 (EM_SH|__AUDIT_ARCH_64BIT) 278 #define AUDIT_ARCH_SHEL64 (EM_SH|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) 279 #define AUDIT_ARCH_SPARC (EM_SPARC) 280 #define AUDIT_ARCH_SPARC64 (EM_SPARCV9|__AUDIT_ARCH_64BIT) 281 #define AUDIT_ARCH_V850 (EM_V850|__AUDIT_ARCH_LE) 282 #define AUDIT_ARCH_X86_64 (EM_X86_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) 283 284 #define AUDIT_PERM_EXEC 1 285 #define AUDIT_PERM_WRITE 2 286 #define AUDIT_PERM_READ 4 287 #define AUDIT_PERM_ATTR 8 288 289 struct audit_status { 290 __u32 mask; /* Bit mask for valid entries */ 291 __u32 enabled; /* 1 = enabled, 0 = disabled */ 292 __u32 failure; /* Failure-to-log action */ 293 __u32 pid; /* pid of auditd process */ 294 __u32 rate_limit; /* messages rate limit (per second) */ 295 __u32 backlog_limit; /* waiting messages limit */ 296 __u32 lost; /* messages lost */ 297 __u32 backlog; /* messages waiting in queue */ 298 }; 299 300 struct audit_tty_status { 301 __u32 enabled; /* 1 = enabled, 0 = disabled */ 302 }; 303 304 /* audit_rule_data supports filter rules with both integer and string 305 * fields. It corresponds with AUDIT_ADD_RULE, AUDIT_DEL_RULE and 306 * AUDIT_LIST_RULES requests. 307 */ 308 struct audit_rule_data { 309 __u32 flags; /* AUDIT_PER_{TASK,CALL}, AUDIT_PREPEND */ 310 __u32 action; /* AUDIT_NEVER, AUDIT_POSSIBLE, AUDIT_ALWAYS */ 311 __u32 field_count; 312 __u32 mask[AUDIT_BITMASK_SIZE]; /* syscall(s) affected */ 313 __u32 fields[AUDIT_MAX_FIELDS]; 314 __u32 values[AUDIT_MAX_FIELDS]; 315 __u32 fieldflags[AUDIT_MAX_FIELDS]; 316 __u32 buflen; /* total length of string fields */ 317 char buf[0]; /* string fields buffer */ 318 }; 319 320 /* audit_rule is supported to maintain backward compatibility with 321 * userspace. It supports integer fields only and corresponds to 322 * AUDIT_ADD, AUDIT_DEL and AUDIT_LIST requests. 323 */ 324 struct audit_rule { /* for AUDIT_LIST, AUDIT_ADD, and AUDIT_DEL */ 325 __u32 flags; /* AUDIT_PER_{TASK,CALL}, AUDIT_PREPEND */ 326 __u32 action; /* AUDIT_NEVER, AUDIT_POSSIBLE, AUDIT_ALWAYS */ 327 __u32 field_count; 328 __u32 mask[AUDIT_BITMASK_SIZE]; 329 __u32 fields[AUDIT_MAX_FIELDS]; 330 __u32 values[AUDIT_MAX_FIELDS]; 331 }; 332 333 #ifdef __KERNEL__ 334 #include <linux/sched.h> 335 336 struct audit_sig_info { 337 uid_t uid; 338 pid_t pid; 339 char ctx[0]; 340 }; 341 342 struct audit_buffer; 343 struct audit_context; 344 struct inode; 345 struct netlink_skb_parms; 346 struct linux_binprm; 347 struct mq_attr; 348 struct mqstat; 349 350 #define AUDITSC_INVALID 0 351 #define AUDITSC_SUCCESS 1 352 #define AUDITSC_FAILURE 2 353 #define AUDITSC_RESULT(x) ( ((long)(x))<0?AUDITSC_FAILURE:AUDITSC_SUCCESS ) 354 extern int __init audit_register_class(int class, unsigned *list); 355 extern int audit_classify_syscall(int abi, unsigned syscall); 356 extern int audit_classify_arch(int arch); 357 #ifdef CONFIG_AUDITSYSCALL 358 /* These are defined in auditsc.c */ 359 /* Public API */ 360 extern int audit_alloc(struct task_struct *task); 361 extern void audit_free(struct task_struct *task); 362 extern void audit_syscall_entry(int arch, 363 int major, unsigned long a0, unsigned long a1, 364 unsigned long a2, unsigned long a3); 365 extern void audit_syscall_exit(int failed, long return_code); 366 extern void __audit_getname(const char *name); 367 extern void audit_putname(const char *name); 368 extern void __audit_inode(const char *name, const struct inode *inode); 369 extern void __audit_inode_child(const char *dname, const struct inode *inode, 370 const struct inode *parent); 371 extern void __audit_ptrace(struct task_struct *t); 372 373 static inline int audit_dummy_context(void) 374 { 375 void *p = current->audit_context; 376 return !p || *(int *)p; 377 } 378 static inline void audit_getname(const char *name) 379 { 380 if (unlikely(!audit_dummy_context())) 381 __audit_getname(name); 382 } 383 static inline void audit_inode(const char *name, const struct inode *inode) { 384 if (unlikely(!audit_dummy_context())) 385 __audit_inode(name, inode); 386 } 387 static inline void audit_inode_child(const char *dname, 388 const struct inode *inode, 389 const struct inode *parent) { 390 if (unlikely(!audit_dummy_context())) 391 __audit_inode_child(dname, inode, parent); 392 } 393 void audit_core_dumps(long signr); 394 395 static inline void audit_ptrace(struct task_struct *t) 396 { 397 if (unlikely(!audit_dummy_context())) 398 __audit_ptrace(t); 399 } 400 401 /* Private API (for audit.c only) */ 402 extern unsigned int audit_serial(void); 403 extern void auditsc_get_stamp(struct audit_context *ctx, 404 struct timespec *t, unsigned int *serial); 405 extern int audit_set_loginuid(struct task_struct *task, uid_t loginuid); 406 extern uid_t audit_get_loginuid(struct audit_context *ctx); 407 extern void audit_log_task_context(struct audit_buffer *ab); 408 extern int __audit_ipc_obj(struct kern_ipc_perm *ipcp); 409 extern int __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode); 410 extern int audit_bprm(struct linux_binprm *bprm); 411 extern int audit_socketcall(int nargs, unsigned long *args); 412 extern int audit_sockaddr(int len, void *addr); 413 extern int __audit_fd_pair(int fd1, int fd2); 414 extern int audit_set_macxattr(const char *name); 415 extern int __audit_mq_open(int oflag, mode_t mode, struct mq_attr __user *u_attr); 416 extern int __audit_mq_timedsend(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec __user *u_abs_timeout); 417 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); 418 extern int __audit_mq_notify(mqd_t mqdes, const struct sigevent __user *u_notification); 419 extern int __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat); 420 421 static inline int audit_ipc_obj(struct kern_ipc_perm *ipcp) 422 { 423 if (unlikely(!audit_dummy_context())) 424 return __audit_ipc_obj(ipcp); 425 return 0; 426 } 427 static inline int audit_fd_pair(int fd1, int fd2) 428 { 429 if (unlikely(!audit_dummy_context())) 430 return __audit_fd_pair(fd1, fd2); 431 return 0; 432 } 433 static inline int audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode) 434 { 435 if (unlikely(!audit_dummy_context())) 436 return __audit_ipc_set_perm(qbytes, uid, gid, mode); 437 return 0; 438 } 439 static inline int audit_mq_open(int oflag, mode_t mode, struct mq_attr __user *u_attr) 440 { 441 if (unlikely(!audit_dummy_context())) 442 return __audit_mq_open(oflag, mode, u_attr); 443 return 0; 444 } 445 static inline int audit_mq_timedsend(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec __user *u_abs_timeout) 446 { 447 if (unlikely(!audit_dummy_context())) 448 return __audit_mq_timedsend(mqdes, msg_len, msg_prio, u_abs_timeout); 449 return 0; 450 } 451 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) 452 { 453 if (unlikely(!audit_dummy_context())) 454 return __audit_mq_timedreceive(mqdes, msg_len, u_msg_prio, u_abs_timeout); 455 return 0; 456 } 457 static inline int audit_mq_notify(mqd_t mqdes, const struct sigevent __user *u_notification) 458 { 459 if (unlikely(!audit_dummy_context())) 460 return __audit_mq_notify(mqdes, u_notification); 461 return 0; 462 } 463 static inline int audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat) 464 { 465 if (unlikely(!audit_dummy_context())) 466 return __audit_mq_getsetattr(mqdes, mqstat); 467 return 0; 468 } 469 extern int audit_n_rules; 470 extern int audit_signals; 471 #else 472 #define audit_alloc(t) ({ 0; }) 473 #define audit_free(t) do { ; } while (0) 474 #define audit_syscall_entry(ta,a,b,c,d,e) do { ; } while (0) 475 #define audit_syscall_exit(f,r) do { ; } while (0) 476 #define audit_dummy_context() 1 477 #define audit_getname(n) do { ; } while (0) 478 #define audit_putname(n) do { ; } while (0) 479 #define __audit_inode(n,i) do { ; } while (0) 480 #define __audit_inode_child(d,i,p) do { ; } while (0) 481 #define audit_inode(n,i) do { ; } while (0) 482 #define audit_inode_child(d,i,p) do { ; } while (0) 483 #define audit_core_dumps(i) do { ; } while (0) 484 #define auditsc_get_stamp(c,t,s) do { BUG(); } while (0) 485 #define audit_get_loginuid(c) ({ -1; }) 486 #define audit_log_task_context(b) do { ; } while (0) 487 #define audit_ipc_obj(i) ({ 0; }) 488 #define audit_ipc_set_perm(q,u,g,m) ({ 0; }) 489 #define audit_bprm(p) ({ 0; }) 490 #define audit_socketcall(n,a) ({ 0; }) 491 #define audit_fd_pair(n,a) ({ 0; }) 492 #define audit_sockaddr(len, addr) ({ 0; }) 493 #define audit_set_macxattr(n) do { ; } while (0) 494 #define audit_mq_open(o,m,a) ({ 0; }) 495 #define audit_mq_timedsend(d,l,p,t) ({ 0; }) 496 #define audit_mq_timedreceive(d,l,p,t) ({ 0; }) 497 #define audit_mq_notify(d,n) ({ 0; }) 498 #define audit_mq_getsetattr(d,s) ({ 0; }) 499 #define audit_ptrace(t) ((void)0) 500 #define audit_n_rules 0 501 #define audit_signals 0 502 #endif 503 504 #ifdef CONFIG_AUDIT 505 /* These are defined in audit.c */ 506 /* Public API */ 507 extern void audit_log(struct audit_context *ctx, gfp_t gfp_mask, 508 int type, const char *fmt, ...) 509 __attribute__((format(printf,4,5))); 510 511 extern struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp_mask, int type); 512 extern void audit_log_format(struct audit_buffer *ab, 513 const char *fmt, ...) 514 __attribute__((format(printf,2,3))); 515 extern void audit_log_end(struct audit_buffer *ab); 516 extern void audit_log_hex(struct audit_buffer *ab, 517 const unsigned char *buf, 518 size_t len); 519 extern const char * audit_log_untrustedstring(struct audit_buffer *ab, 520 const char *string); 521 extern const char * audit_log_n_untrustedstring(struct audit_buffer *ab, 522 size_t n, 523 const char *string); 524 extern void audit_log_d_path(struct audit_buffer *ab, 525 const char *prefix, 526 struct dentry *dentry, 527 struct vfsmount *vfsmnt); 528 extern void audit_log_lost(const char *message); 529 /* Private API (for audit.c only) */ 530 extern int audit_filter_user(struct netlink_skb_parms *cb, int type); 531 extern int audit_filter_type(int type); 532 extern int audit_receive_filter(int type, int pid, int uid, int seq, 533 void *data, size_t datasz, uid_t loginuid, u32 sid); 534 extern int audit_enabled; 535 #else 536 #define audit_log(c,g,t,f,...) do { ; } while (0) 537 #define audit_log_start(c,g,t) ({ NULL; }) 538 #define audit_log_vformat(b,f,a) do { ; } while (0) 539 #define audit_log_format(b,f,...) do { ; } while (0) 540 #define audit_log_end(b) do { ; } while (0) 541 #define audit_log_hex(a,b,l) do { ; } while (0) 542 #define audit_log_untrustedstring(a,s) do { ; } while (0) 543 #define audit_log_n_untrustedstring(a,n,s) do { ; } while (0) 544 #define audit_log_d_path(b,p,d,v) do { ; } while (0) 545 #define audit_enabled 0 546 #endif 547 #endif 548 #endif 549