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_TRIM 1014 /* Trim junk from watched tree */ 67 #define AUDIT_MAKE_EQUIV 1015 /* Append to watched tree */ 68 #define AUDIT_TTY_GET 1016 /* Get TTY auditing status */ 69 #define AUDIT_TTY_SET 1017 /* Set TTY auditing status */ 70 71 #define AUDIT_FIRST_USER_MSG 1100 /* Userspace messages mostly uninteresting to kernel */ 72 #define AUDIT_USER_AVC 1107 /* We filter this differently */ 73 #define AUDIT_USER_TTY 1124 /* Non-ICANON TTY input meaning */ 74 #define AUDIT_LAST_USER_MSG 1199 75 #define AUDIT_FIRST_USER_MSG2 2100 /* More user space messages */ 76 #define AUDIT_LAST_USER_MSG2 2999 77 78 #define AUDIT_DAEMON_START 1200 /* Daemon startup record */ 79 #define AUDIT_DAEMON_END 1201 /* Daemon normal stop record */ 80 #define AUDIT_DAEMON_ABORT 1202 /* Daemon error stop record */ 81 #define AUDIT_DAEMON_CONFIG 1203 /* Daemon config change */ 82 83 #define AUDIT_SYSCALL 1300 /* Syscall event */ 84 /* #define AUDIT_FS_WATCH 1301 * Deprecated */ 85 #define AUDIT_PATH 1302 /* Filename path information */ 86 #define AUDIT_IPC 1303 /* IPC record */ 87 #define AUDIT_SOCKETCALL 1304 /* sys_socketcall arguments */ 88 #define AUDIT_CONFIG_CHANGE 1305 /* Audit system configuration change */ 89 #define AUDIT_SOCKADDR 1306 /* sockaddr copied as syscall arg */ 90 #define AUDIT_CWD 1307 /* Current working directory */ 91 #define AUDIT_EXECVE 1309 /* execve arguments */ 92 #define AUDIT_IPC_SET_PERM 1311 /* IPC new permissions record type */ 93 #define AUDIT_MQ_OPEN 1312 /* POSIX MQ open record type */ 94 #define AUDIT_MQ_SENDRECV 1313 /* POSIX MQ send/receive record type */ 95 #define AUDIT_MQ_NOTIFY 1314 /* POSIX MQ notify record type */ 96 #define AUDIT_MQ_GETSETATTR 1315 /* POSIX MQ get/set attribute record type */ 97 #define AUDIT_KERNEL_OTHER 1316 /* For use by 3rd party modules */ 98 #define AUDIT_FD_PAIR 1317 /* audit record for pipe/socketpair */ 99 #define AUDIT_OBJ_PID 1318 /* ptrace target */ 100 #define AUDIT_TTY 1319 /* Input on an administrative TTY */ 101 #define AUDIT_EOE 1320 /* End of multi-record event */ 102 103 #define AUDIT_AVC 1400 /* SE Linux avc denial or grant */ 104 #define AUDIT_SELINUX_ERR 1401 /* Internal SE Linux Errors */ 105 #define AUDIT_AVC_PATH 1402 /* dentry, vfsmount pair from avc */ 106 #define AUDIT_MAC_POLICY_LOAD 1403 /* Policy file load */ 107 #define AUDIT_MAC_STATUS 1404 /* Changed enforcing,permissive,off */ 108 #define AUDIT_MAC_CONFIG_CHANGE 1405 /* Changes to booleans */ 109 #define AUDIT_MAC_UNLBL_ALLOW 1406 /* NetLabel: allow unlabeled traffic */ 110 #define AUDIT_MAC_CIPSOV4_ADD 1407 /* NetLabel: add CIPSOv4 DOI entry */ 111 #define AUDIT_MAC_CIPSOV4_DEL 1408 /* NetLabel: del CIPSOv4 DOI entry */ 112 #define AUDIT_MAC_MAP_ADD 1409 /* NetLabel: add LSM domain mapping */ 113 #define AUDIT_MAC_MAP_DEL 1410 /* NetLabel: del LSM domain mapping */ 114 #define AUDIT_MAC_IPSEC_ADDSA 1411 /* Not used */ 115 #define AUDIT_MAC_IPSEC_DELSA 1412 /* Not used */ 116 #define AUDIT_MAC_IPSEC_ADDSPD 1413 /* Not used */ 117 #define AUDIT_MAC_IPSEC_DELSPD 1414 /* Not used */ 118 #define AUDIT_MAC_IPSEC_EVENT 1415 /* Audit an IPSec event */ 119 #define AUDIT_MAC_UNLBL_STCADD 1416 /* NetLabel: add a static label */ 120 #define AUDIT_MAC_UNLBL_STCDEL 1417 /* NetLabel: del a static label */ 121 122 #define AUDIT_FIRST_KERN_ANOM_MSG 1700 123 #define AUDIT_LAST_KERN_ANOM_MSG 1799 124 #define AUDIT_ANOM_PROMISCUOUS 1700 /* Device changed promiscuous mode */ 125 #define AUDIT_ANOM_ABEND 1701 /* Process ended abnormally */ 126 127 #define AUDIT_KERNEL 2000 /* Asynchronous audit record. NOT A REQUEST. */ 128 129 /* Rule flags */ 130 #define AUDIT_FILTER_USER 0x00 /* Apply rule to user-generated messages */ 131 #define AUDIT_FILTER_TASK 0x01 /* Apply rule at task creation (not syscall) */ 132 #define AUDIT_FILTER_ENTRY 0x02 /* Apply rule at syscall entry */ 133 #define AUDIT_FILTER_WATCH 0x03 /* Apply rule to file system watches */ 134 #define AUDIT_FILTER_EXIT 0x04 /* Apply rule at syscall exit */ 135 #define AUDIT_FILTER_TYPE 0x05 /* Apply rule at audit_log_start */ 136 137 #define AUDIT_NR_FILTERS 6 138 139 #define AUDIT_FILTER_PREPEND 0x10 /* Prepend to front of list */ 140 141 /* Rule actions */ 142 #define AUDIT_NEVER 0 /* Do not build context if rule matches */ 143 #define AUDIT_POSSIBLE 1 /* Build context if rule matches */ 144 #define AUDIT_ALWAYS 2 /* Generate audit record if rule matches */ 145 146 /* Rule structure sizes -- if these change, different AUDIT_ADD and 147 * AUDIT_LIST commands must be implemented. */ 148 #define AUDIT_MAX_FIELDS 64 149 #define AUDIT_MAX_KEY_LEN 32 150 #define AUDIT_BITMASK_SIZE 64 151 #define AUDIT_WORD(nr) ((__u32)((nr)/32)) 152 #define AUDIT_BIT(nr) (1 << ((nr) - AUDIT_WORD(nr)*32)) 153 154 #define AUDIT_SYSCALL_CLASSES 16 155 #define AUDIT_CLASS_DIR_WRITE 0 156 #define AUDIT_CLASS_DIR_WRITE_32 1 157 #define AUDIT_CLASS_CHATTR 2 158 #define AUDIT_CLASS_CHATTR_32 3 159 #define AUDIT_CLASS_READ 4 160 #define AUDIT_CLASS_READ_32 5 161 #define AUDIT_CLASS_WRITE 6 162 #define AUDIT_CLASS_WRITE_32 7 163 #define AUDIT_CLASS_SIGNAL 8 164 #define AUDIT_CLASS_SIGNAL_32 9 165 166 /* This bitmask is used to validate user input. It represents all bits that 167 * are currently used in an audit field constant understood by the kernel. 168 * If you are adding a new #define AUDIT_<whatever>, please ensure that 169 * AUDIT_UNUSED_BITS is updated if need be. */ 170 #define AUDIT_UNUSED_BITS 0x07FFFC00 171 172 173 /* Rule fields */ 174 /* These are useful when checking the 175 * task structure at task creation time 176 * (AUDIT_PER_TASK). */ 177 #define AUDIT_PID 0 178 #define AUDIT_UID 1 179 #define AUDIT_EUID 2 180 #define AUDIT_SUID 3 181 #define AUDIT_FSUID 4 182 #define AUDIT_GID 5 183 #define AUDIT_EGID 6 184 #define AUDIT_SGID 7 185 #define AUDIT_FSGID 8 186 #define AUDIT_LOGINUID 9 187 #define AUDIT_PERS 10 188 #define AUDIT_ARCH 11 189 #define AUDIT_MSGTYPE 12 190 #define AUDIT_SUBJ_USER 13 /* security label user */ 191 #define AUDIT_SUBJ_ROLE 14 /* security label role */ 192 #define AUDIT_SUBJ_TYPE 15 /* security label type */ 193 #define AUDIT_SUBJ_SEN 16 /* security label sensitivity label */ 194 #define AUDIT_SUBJ_CLR 17 /* security label clearance label */ 195 #define AUDIT_PPID 18 196 #define AUDIT_OBJ_USER 19 197 #define AUDIT_OBJ_ROLE 20 198 #define AUDIT_OBJ_TYPE 21 199 #define AUDIT_OBJ_LEV_LOW 22 200 #define AUDIT_OBJ_LEV_HIGH 23 201 202 /* These are ONLY useful when checking 203 * at syscall exit time (AUDIT_AT_EXIT). */ 204 #define AUDIT_DEVMAJOR 100 205 #define AUDIT_DEVMINOR 101 206 #define AUDIT_INODE 102 207 #define AUDIT_EXIT 103 208 #define AUDIT_SUCCESS 104 /* exit >= 0; value ignored */ 209 #define AUDIT_WATCH 105 210 #define AUDIT_PERM 106 211 #define AUDIT_DIR 107 212 213 #define AUDIT_ARG0 200 214 #define AUDIT_ARG1 (AUDIT_ARG0+1) 215 #define AUDIT_ARG2 (AUDIT_ARG0+2) 216 #define AUDIT_ARG3 (AUDIT_ARG0+3) 217 218 #define AUDIT_FILTERKEY 210 219 220 #define AUDIT_NEGATE 0x80000000 221 222 /* These are the supported operators. 223 * 4 2 1 8 224 * = > < ? 225 * ---------- 226 * 0 0 0 0 00 nonsense 227 * 0 0 0 1 08 & bit mask 228 * 0 0 1 0 10 < 229 * 0 1 0 0 20 > 230 * 0 1 1 0 30 != 231 * 1 0 0 0 40 = 232 * 1 0 0 1 48 &= bit test 233 * 1 0 1 0 50 <= 234 * 1 1 0 0 60 >= 235 * 1 1 1 1 78 all operators 236 */ 237 #define AUDIT_BIT_MASK 0x08000000 238 #define AUDIT_LESS_THAN 0x10000000 239 #define AUDIT_GREATER_THAN 0x20000000 240 #define AUDIT_NOT_EQUAL 0x30000000 241 #define AUDIT_EQUAL 0x40000000 242 #define AUDIT_BIT_TEST (AUDIT_BIT_MASK|AUDIT_EQUAL) 243 #define AUDIT_LESS_THAN_OR_EQUAL (AUDIT_LESS_THAN|AUDIT_EQUAL) 244 #define AUDIT_GREATER_THAN_OR_EQUAL (AUDIT_GREATER_THAN|AUDIT_EQUAL) 245 #define AUDIT_OPERATORS (AUDIT_EQUAL|AUDIT_NOT_EQUAL|AUDIT_BIT_MASK) 246 247 /* Status symbols */ 248 /* Mask values */ 249 #define AUDIT_STATUS_ENABLED 0x0001 250 #define AUDIT_STATUS_FAILURE 0x0002 251 #define AUDIT_STATUS_PID 0x0004 252 #define AUDIT_STATUS_RATE_LIMIT 0x0008 253 #define AUDIT_STATUS_BACKLOG_LIMIT 0x0010 254 /* Failure-to-log actions */ 255 #define AUDIT_FAIL_SILENT 0 256 #define AUDIT_FAIL_PRINTK 1 257 #define AUDIT_FAIL_PANIC 2 258 259 /* distinguish syscall tables */ 260 #define __AUDIT_ARCH_64BIT 0x80000000 261 #define __AUDIT_ARCH_LE 0x40000000 262 #define AUDIT_ARCH_ALPHA (EM_ALPHA|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) 263 #define AUDIT_ARCH_ARM (EM_ARM|__AUDIT_ARCH_LE) 264 #define AUDIT_ARCH_ARMEB (EM_ARM) 265 #define AUDIT_ARCH_CRIS (EM_CRIS|__AUDIT_ARCH_LE) 266 #define AUDIT_ARCH_FRV (EM_FRV) 267 #define AUDIT_ARCH_H8300 (EM_H8_300) 268 #define AUDIT_ARCH_I386 (EM_386|__AUDIT_ARCH_LE) 269 #define AUDIT_ARCH_IA64 (EM_IA_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) 270 #define AUDIT_ARCH_M32R (EM_M32R) 271 #define AUDIT_ARCH_M68K (EM_68K) 272 #define AUDIT_ARCH_MIPS (EM_MIPS) 273 #define AUDIT_ARCH_MIPSEL (EM_MIPS|__AUDIT_ARCH_LE) 274 #define AUDIT_ARCH_MIPS64 (EM_MIPS|__AUDIT_ARCH_64BIT) 275 #define AUDIT_ARCH_MIPSEL64 (EM_MIPS|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) 276 #define AUDIT_ARCH_PARISC (EM_PARISC) 277 #define AUDIT_ARCH_PARISC64 (EM_PARISC|__AUDIT_ARCH_64BIT) 278 #define AUDIT_ARCH_PPC (EM_PPC) 279 #define AUDIT_ARCH_PPC64 (EM_PPC64|__AUDIT_ARCH_64BIT) 280 #define AUDIT_ARCH_S390 (EM_S390) 281 #define AUDIT_ARCH_S390X (EM_S390|__AUDIT_ARCH_64BIT) 282 #define AUDIT_ARCH_SH (EM_SH) 283 #define AUDIT_ARCH_SHEL (EM_SH|__AUDIT_ARCH_LE) 284 #define AUDIT_ARCH_SH64 (EM_SH|__AUDIT_ARCH_64BIT) 285 #define AUDIT_ARCH_SHEL64 (EM_SH|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) 286 #define AUDIT_ARCH_SPARC (EM_SPARC) 287 #define AUDIT_ARCH_SPARC64 (EM_SPARCV9|__AUDIT_ARCH_64BIT) 288 #define AUDIT_ARCH_V850 (EM_V850|__AUDIT_ARCH_LE) 289 #define AUDIT_ARCH_X86_64 (EM_X86_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) 290 291 #define AUDIT_PERM_EXEC 1 292 #define AUDIT_PERM_WRITE 2 293 #define AUDIT_PERM_READ 4 294 #define AUDIT_PERM_ATTR 8 295 296 struct audit_status { 297 __u32 mask; /* Bit mask for valid entries */ 298 __u32 enabled; /* 1 = enabled, 0 = disabled */ 299 __u32 failure; /* Failure-to-log action */ 300 __u32 pid; /* pid of auditd process */ 301 __u32 rate_limit; /* messages rate limit (per second) */ 302 __u32 backlog_limit; /* waiting messages limit */ 303 __u32 lost; /* messages lost */ 304 __u32 backlog; /* messages waiting in queue */ 305 }; 306 307 struct audit_tty_status { 308 __u32 enabled; /* 1 = enabled, 0 = disabled */ 309 }; 310 311 /* audit_rule_data supports filter rules with both integer and string 312 * fields. It corresponds with AUDIT_ADD_RULE, AUDIT_DEL_RULE and 313 * AUDIT_LIST_RULES requests. 314 */ 315 struct audit_rule_data { 316 __u32 flags; /* AUDIT_PER_{TASK,CALL}, AUDIT_PREPEND */ 317 __u32 action; /* AUDIT_NEVER, AUDIT_POSSIBLE, AUDIT_ALWAYS */ 318 __u32 field_count; 319 __u32 mask[AUDIT_BITMASK_SIZE]; /* syscall(s) affected */ 320 __u32 fields[AUDIT_MAX_FIELDS]; 321 __u32 values[AUDIT_MAX_FIELDS]; 322 __u32 fieldflags[AUDIT_MAX_FIELDS]; 323 __u32 buflen; /* total length of string fields */ 324 char buf[0]; /* string fields buffer */ 325 }; 326 327 /* audit_rule is supported to maintain backward compatibility with 328 * userspace. It supports integer fields only and corresponds to 329 * AUDIT_ADD, AUDIT_DEL and AUDIT_LIST requests. 330 */ 331 struct audit_rule { /* for AUDIT_LIST, AUDIT_ADD, and AUDIT_DEL */ 332 __u32 flags; /* AUDIT_PER_{TASK,CALL}, AUDIT_PREPEND */ 333 __u32 action; /* AUDIT_NEVER, AUDIT_POSSIBLE, AUDIT_ALWAYS */ 334 __u32 field_count; 335 __u32 mask[AUDIT_BITMASK_SIZE]; 336 __u32 fields[AUDIT_MAX_FIELDS]; 337 __u32 values[AUDIT_MAX_FIELDS]; 338 }; 339 340 #ifdef __KERNEL__ 341 #include <linux/sched.h> 342 343 struct audit_sig_info { 344 uid_t uid; 345 pid_t pid; 346 char ctx[0]; 347 }; 348 349 struct audit_buffer; 350 struct audit_context; 351 struct inode; 352 struct netlink_skb_parms; 353 struct linux_binprm; 354 struct mq_attr; 355 struct mqstat; 356 357 #define AUDITSC_INVALID 0 358 #define AUDITSC_SUCCESS 1 359 #define AUDITSC_FAILURE 2 360 #define AUDITSC_RESULT(x) ( ((long)(x))<0?AUDITSC_FAILURE:AUDITSC_SUCCESS ) 361 extern int __init audit_register_class(int class, unsigned *list); 362 extern int audit_classify_syscall(int abi, unsigned syscall); 363 extern int audit_classify_arch(int arch); 364 #ifdef CONFIG_AUDITSYSCALL 365 /* These are defined in auditsc.c */ 366 /* Public API */ 367 extern int audit_alloc(struct task_struct *task); 368 extern void audit_free(struct task_struct *task); 369 extern void audit_syscall_entry(int arch, 370 int major, unsigned long a0, unsigned long a1, 371 unsigned long a2, unsigned long a3); 372 extern void audit_syscall_exit(int failed, long return_code); 373 extern void __audit_getname(const char *name); 374 extern void audit_putname(const char *name); 375 extern void __audit_inode(const char *name, const struct dentry *dentry); 376 extern void __audit_inode_child(const char *dname, const struct dentry *dentry, 377 const struct inode *parent); 378 extern void __audit_ptrace(struct task_struct *t); 379 380 static inline int audit_dummy_context(void) 381 { 382 void *p = current->audit_context; 383 return !p || *(int *)p; 384 } 385 static inline void audit_getname(const char *name) 386 { 387 if (unlikely(!audit_dummy_context())) 388 __audit_getname(name); 389 } 390 static inline void audit_inode(const char *name, const struct dentry *dentry) { 391 if (unlikely(!audit_dummy_context())) 392 __audit_inode(name, dentry); 393 } 394 static inline void audit_inode_child(const char *dname, 395 const struct dentry *dentry, 396 const struct inode *parent) { 397 if (unlikely(!audit_dummy_context())) 398 __audit_inode_child(dname, dentry, parent); 399 } 400 void audit_core_dumps(long signr); 401 402 static inline void audit_ptrace(struct task_struct *t) 403 { 404 if (unlikely(!audit_dummy_context())) 405 __audit_ptrace(t); 406 } 407 408 /* Private API (for audit.c only) */ 409 extern unsigned int audit_serial(void); 410 extern void auditsc_get_stamp(struct audit_context *ctx, 411 struct timespec *t, unsigned int *serial); 412 extern int audit_set_loginuid(struct task_struct *task, uid_t loginuid); 413 #define audit_get_loginuid(t) ((t)->loginuid) 414 #define audit_get_sessionid(t) ((t)->sessionid) 415 extern void audit_log_task_context(struct audit_buffer *ab); 416 extern int __audit_ipc_obj(struct kern_ipc_perm *ipcp); 417 extern int __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode); 418 extern int audit_bprm(struct linux_binprm *bprm); 419 extern int audit_socketcall(int nargs, unsigned long *args); 420 extern int audit_sockaddr(int len, void *addr); 421 extern int __audit_fd_pair(int fd1, int fd2); 422 extern int audit_set_macxattr(const char *name); 423 extern int __audit_mq_open(int oflag, mode_t mode, struct mq_attr __user *u_attr); 424 extern int __audit_mq_timedsend(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec __user *u_abs_timeout); 425 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); 426 extern int __audit_mq_notify(mqd_t mqdes, const struct sigevent __user *u_notification); 427 extern int __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat); 428 429 static inline int audit_ipc_obj(struct kern_ipc_perm *ipcp) 430 { 431 if (unlikely(!audit_dummy_context())) 432 return __audit_ipc_obj(ipcp); 433 return 0; 434 } 435 static inline int audit_fd_pair(int fd1, int fd2) 436 { 437 if (unlikely(!audit_dummy_context())) 438 return __audit_fd_pair(fd1, fd2); 439 return 0; 440 } 441 static inline int audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode) 442 { 443 if (unlikely(!audit_dummy_context())) 444 return __audit_ipc_set_perm(qbytes, uid, gid, mode); 445 return 0; 446 } 447 static inline int audit_mq_open(int oflag, mode_t mode, struct mq_attr __user *u_attr) 448 { 449 if (unlikely(!audit_dummy_context())) 450 return __audit_mq_open(oflag, mode, u_attr); 451 return 0; 452 } 453 static inline int audit_mq_timedsend(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec __user *u_abs_timeout) 454 { 455 if (unlikely(!audit_dummy_context())) 456 return __audit_mq_timedsend(mqdes, msg_len, msg_prio, u_abs_timeout); 457 return 0; 458 } 459 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) 460 { 461 if (unlikely(!audit_dummy_context())) 462 return __audit_mq_timedreceive(mqdes, msg_len, u_msg_prio, u_abs_timeout); 463 return 0; 464 } 465 static inline int audit_mq_notify(mqd_t mqdes, const struct sigevent __user *u_notification) 466 { 467 if (unlikely(!audit_dummy_context())) 468 return __audit_mq_notify(mqdes, u_notification); 469 return 0; 470 } 471 static inline int audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat) 472 { 473 if (unlikely(!audit_dummy_context())) 474 return __audit_mq_getsetattr(mqdes, mqstat); 475 return 0; 476 } 477 extern int audit_n_rules; 478 extern int audit_signals; 479 #else 480 #define audit_alloc(t) ({ 0; }) 481 #define audit_free(t) do { ; } while (0) 482 #define audit_syscall_entry(ta,a,b,c,d,e) do { ; } while (0) 483 #define audit_syscall_exit(f,r) do { ; } while (0) 484 #define audit_dummy_context() 1 485 #define audit_getname(n) do { ; } while (0) 486 #define audit_putname(n) do { ; } while (0) 487 #define __audit_inode(n,d) do { ; } while (0) 488 #define __audit_inode_child(d,i,p) do { ; } while (0) 489 #define audit_inode(n,d) do { ; } while (0) 490 #define audit_inode_child(d,i,p) do { ; } while (0) 491 #define audit_core_dumps(i) do { ; } while (0) 492 #define auditsc_get_stamp(c,t,s) do { BUG(); } while (0) 493 #define audit_get_loginuid(t) (-1) 494 #define audit_get_sessionid(t) (-1) 495 #define audit_log_task_context(b) do { ; } while (0) 496 #define audit_ipc_obj(i) ({ 0; }) 497 #define audit_ipc_set_perm(q,u,g,m) ({ 0; }) 498 #define audit_bprm(p) ({ 0; }) 499 #define audit_socketcall(n,a) ({ 0; }) 500 #define audit_fd_pair(n,a) ({ 0; }) 501 #define audit_sockaddr(len, addr) ({ 0; }) 502 #define audit_set_macxattr(n) do { ; } while (0) 503 #define audit_mq_open(o,m,a) ({ 0; }) 504 #define audit_mq_timedsend(d,l,p,t) ({ 0; }) 505 #define audit_mq_timedreceive(d,l,p,t) ({ 0; }) 506 #define audit_mq_notify(d,n) ({ 0; }) 507 #define audit_mq_getsetattr(d,s) ({ 0; }) 508 #define audit_ptrace(t) ((void)0) 509 #define audit_n_rules 0 510 #define audit_signals 0 511 #endif 512 513 #ifdef CONFIG_AUDIT 514 /* These are defined in audit.c */ 515 /* Public API */ 516 extern void audit_log(struct audit_context *ctx, gfp_t gfp_mask, 517 int type, const char *fmt, ...) 518 __attribute__((format(printf,4,5))); 519 520 extern struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp_mask, int type); 521 extern void audit_log_format(struct audit_buffer *ab, 522 const char *fmt, ...) 523 __attribute__((format(printf,2,3))); 524 extern void audit_log_end(struct audit_buffer *ab); 525 extern void audit_log_hex(struct audit_buffer *ab, 526 const unsigned char *buf, 527 size_t len); 528 extern int audit_string_contains_control(const char *string, 529 size_t len); 530 extern void audit_log_untrustedstring(struct audit_buffer *ab, 531 const char *string); 532 extern void audit_log_n_untrustedstring(struct audit_buffer *ab, 533 size_t n, 534 const char *string); 535 extern void audit_log_d_path(struct audit_buffer *ab, 536 const char *prefix, 537 struct dentry *dentry, 538 struct vfsmount *vfsmnt); 539 extern void audit_log_lost(const char *message); 540 /* Private API (for audit.c only) */ 541 extern int audit_filter_user(struct netlink_skb_parms *cb, int type); 542 extern int audit_filter_type(int type); 543 extern int audit_receive_filter(int type, int pid, int uid, int seq, 544 void *data, size_t datasz, uid_t loginuid, u32 sid); 545 extern int audit_enabled; 546 #else 547 #define audit_log(c,g,t,f,...) do { ; } while (0) 548 #define audit_log_start(c,g,t) ({ NULL; }) 549 #define audit_log_vformat(b,f,a) do { ; } while (0) 550 #define audit_log_format(b,f,...) do { ; } while (0) 551 #define audit_log_end(b) do { ; } while (0) 552 #define audit_log_hex(a,b,l) do { ; } while (0) 553 #define audit_log_untrustedstring(a,s) do { ; } while (0) 554 #define audit_log_n_untrustedstring(a,n,s) do { ; } while (0) 555 #define audit_log_d_path(b,p,d,v) do { ; } while (0) 556 #define audit_enabled 0 557 #endif 558 #endif 559 #endif 560