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 24#ifndef _UAPI_LINUX_AUDIT_H_ 25#define _UAPI_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 - 1899 kernel integrity events 40 * 1900 - 1999 future kernel use 41 * 2000 is for otherwise unclassified kernel audit messages (legacy) 42 * 2001 - 2099 unused (kernel) 43 * 2100 - 2199 user space anomaly records 44 * 2200 - 2299 user space actions taken in response to anomalies 45 * 2300 - 2399 user space generated LSPP events 46 * 2400 - 2499 user space crypto events 47 * 2500 - 2999 future user space (maybe integrity labels and related events) 48 * 49 * Messages from 1000-1199 are bi-directional. 1200-1299 & 2100 - 2999 are 50 * exclusively user space. 1300-2099 is kernel --> user space 51 * communication. 52 */ 53#define AUDIT_GET 1000 /* Get status */ 54#define AUDIT_SET 1001 /* Set status (enable/disable/auditd) */ 55#define AUDIT_LIST 1002 /* List syscall rules -- deprecated */ 56#define AUDIT_ADD 1003 /* Add syscall rule -- deprecated */ 57#define AUDIT_DEL 1004 /* Delete syscall rule -- deprecated */ 58#define AUDIT_USER 1005 /* Message from userspace -- deprecated */ 59#define AUDIT_LOGIN 1006 /* Define the login id and information */ 60#define AUDIT_WATCH_INS 1007 /* Insert file/dir watch entry */ 61#define AUDIT_WATCH_REM 1008 /* Remove file/dir watch entry */ 62#define AUDIT_WATCH_LIST 1009 /* List all file/dir watches */ 63#define AUDIT_SIGNAL_INFO 1010 /* Get info about sender of signal to auditd */ 64#define AUDIT_ADD_RULE 1011 /* Add syscall filtering rule */ 65#define AUDIT_DEL_RULE 1012 /* Delete syscall filtering rule */ 66#define AUDIT_LIST_RULES 1013 /* List syscall filtering rules */ 67#define AUDIT_TRIM 1014 /* Trim junk from watched tree */ 68#define AUDIT_MAKE_EQUIV 1015 /* Append to watched tree */ 69#define AUDIT_TTY_GET 1016 /* Get TTY auditing status */ 70#define AUDIT_TTY_SET 1017 /* Set TTY auditing status */ 71#define AUDIT_SET_FEATURE 1018 /* Turn an audit feature on or off */ 72#define AUDIT_GET_FEATURE 1019 /* Get which features are enabled */ 73#define AUDIT_FEATURE_CHANGE 1020 /* audit log listing feature changes */ 74 75#define AUDIT_FIRST_USER_MSG 1100 /* Userspace messages mostly uninteresting to kernel */ 76#define AUDIT_USER_AVC 1107 /* We filter this differently */ 77#define AUDIT_USER_TTY 1124 /* Non-ICANON TTY input meaning */ 78#define AUDIT_LAST_USER_MSG 1199 79#define AUDIT_FIRST_USER_MSG2 2100 /* More user space messages */ 80#define AUDIT_LAST_USER_MSG2 2999 81 82#define AUDIT_DAEMON_START 1200 /* Daemon startup record */ 83#define AUDIT_DAEMON_END 1201 /* Daemon normal stop record */ 84#define AUDIT_DAEMON_ABORT 1202 /* Daemon error stop record */ 85#define AUDIT_DAEMON_CONFIG 1203 /* Daemon config change */ 86 87#define AUDIT_SYSCALL 1300 /* Syscall event */ 88/* #define AUDIT_FS_WATCH 1301 * Deprecated */ 89#define AUDIT_PATH 1302 /* Filename path information */ 90#define AUDIT_IPC 1303 /* IPC record */ 91#define AUDIT_SOCKETCALL 1304 /* sys_socketcall arguments */ 92#define AUDIT_CONFIG_CHANGE 1305 /* Audit system configuration change */ 93#define AUDIT_SOCKADDR 1306 /* sockaddr copied as syscall arg */ 94#define AUDIT_CWD 1307 /* Current working directory */ 95#define AUDIT_EXECVE 1309 /* execve arguments */ 96#define AUDIT_IPC_SET_PERM 1311 /* IPC new permissions record type */ 97#define AUDIT_MQ_OPEN 1312 /* POSIX MQ open record type */ 98#define AUDIT_MQ_SENDRECV 1313 /* POSIX MQ send/receive record type */ 99#define AUDIT_MQ_NOTIFY 1314 /* POSIX MQ notify record type */ 100#define AUDIT_MQ_GETSETATTR 1315 /* POSIX MQ get/set attribute record type */ 101#define AUDIT_KERNEL_OTHER 1316 /* For use by 3rd party modules */ 102#define AUDIT_FD_PAIR 1317 /* audit record for pipe/socketpair */ 103#define AUDIT_OBJ_PID 1318 /* ptrace target */ 104#define AUDIT_TTY 1319 /* Input on an administrative TTY */ 105#define AUDIT_EOE 1320 /* End of multi-record event */ 106#define AUDIT_BPRM_FCAPS 1321 /* Information about fcaps increasing perms */ 107#define AUDIT_CAPSET 1322 /* Record showing argument to sys_capset */ 108#define AUDIT_MMAP 1323 /* Record showing descriptor and flags in mmap */ 109#define AUDIT_NETFILTER_PKT 1324 /* Packets traversing netfilter chains */ 110#define AUDIT_NETFILTER_CFG 1325 /* Netfilter chain modifications */ 111#define AUDIT_SECCOMP 1326 /* Secure Computing event */ 112 113#define AUDIT_AVC 1400 /* SE Linux avc denial or grant */ 114#define AUDIT_SELINUX_ERR 1401 /* Internal SE Linux Errors */ 115#define AUDIT_AVC_PATH 1402 /* dentry, vfsmount pair from avc */ 116#define AUDIT_MAC_POLICY_LOAD 1403 /* Policy file load */ 117#define AUDIT_MAC_STATUS 1404 /* Changed enforcing,permissive,off */ 118#define AUDIT_MAC_CONFIG_CHANGE 1405 /* Changes to booleans */ 119#define AUDIT_MAC_UNLBL_ALLOW 1406 /* NetLabel: allow unlabeled traffic */ 120#define AUDIT_MAC_CIPSOV4_ADD 1407 /* NetLabel: add CIPSOv4 DOI entry */ 121#define AUDIT_MAC_CIPSOV4_DEL 1408 /* NetLabel: del CIPSOv4 DOI entry */ 122#define AUDIT_MAC_MAP_ADD 1409 /* NetLabel: add LSM domain mapping */ 123#define AUDIT_MAC_MAP_DEL 1410 /* NetLabel: del LSM domain mapping */ 124#define AUDIT_MAC_IPSEC_ADDSA 1411 /* Not used */ 125#define AUDIT_MAC_IPSEC_DELSA 1412 /* Not used */ 126#define AUDIT_MAC_IPSEC_ADDSPD 1413 /* Not used */ 127#define AUDIT_MAC_IPSEC_DELSPD 1414 /* Not used */ 128#define AUDIT_MAC_IPSEC_EVENT 1415 /* Audit an IPSec event */ 129#define AUDIT_MAC_UNLBL_STCADD 1416 /* NetLabel: add a static label */ 130#define AUDIT_MAC_UNLBL_STCDEL 1417 /* NetLabel: del a static label */ 131 132#define AUDIT_FIRST_KERN_ANOM_MSG 1700 133#define AUDIT_LAST_KERN_ANOM_MSG 1799 134#define AUDIT_ANOM_PROMISCUOUS 1700 /* Device changed promiscuous mode */ 135#define AUDIT_ANOM_ABEND 1701 /* Process ended abnormally */ 136#define AUDIT_ANOM_LINK 1702 /* Suspicious use of file links */ 137#define AUDIT_INTEGRITY_DATA 1800 /* Data integrity verification */ 138#define AUDIT_INTEGRITY_METADATA 1801 /* Metadata integrity verification */ 139#define AUDIT_INTEGRITY_STATUS 1802 /* Integrity enable status */ 140#define AUDIT_INTEGRITY_HASH 1803 /* Integrity HASH type */ 141#define AUDIT_INTEGRITY_PCR 1804 /* PCR invalidation msgs */ 142#define AUDIT_INTEGRITY_RULE 1805 /* policy rule */ 143 144#define AUDIT_KERNEL 2000 /* Asynchronous audit record. NOT A REQUEST. */ 145 146/* Rule flags */ 147#define AUDIT_FILTER_USER 0x00 /* Apply rule to user-generated messages */ 148#define AUDIT_FILTER_TASK 0x01 /* Apply rule at task creation (not syscall) */ 149#define AUDIT_FILTER_ENTRY 0x02 /* Apply rule at syscall entry */ 150#define AUDIT_FILTER_WATCH 0x03 /* Apply rule to file system watches */ 151#define AUDIT_FILTER_EXIT 0x04 /* Apply rule at syscall exit */ 152#define AUDIT_FILTER_TYPE 0x05 /* Apply rule at audit_log_start */ 153 154#define AUDIT_NR_FILTERS 6 155 156#define AUDIT_FILTER_PREPEND 0x10 /* Prepend to front of list */ 157 158/* Rule actions */ 159#define AUDIT_NEVER 0 /* Do not build context if rule matches */ 160#define AUDIT_POSSIBLE 1 /* Build context if rule matches */ 161#define AUDIT_ALWAYS 2 /* Generate audit record if rule matches */ 162 163/* Rule structure sizes -- if these change, different AUDIT_ADD and 164 * AUDIT_LIST commands must be implemented. */ 165#define AUDIT_MAX_FIELDS 64 166#define AUDIT_MAX_KEY_LEN 256 167#define AUDIT_BITMASK_SIZE 64 168#define AUDIT_WORD(nr) ((__u32)((nr)/32)) 169#define AUDIT_BIT(nr) (1 << ((nr) - AUDIT_WORD(nr)*32)) 170 171#define AUDIT_SYSCALL_CLASSES 16 172#define AUDIT_CLASS_DIR_WRITE 0 173#define AUDIT_CLASS_DIR_WRITE_32 1 174#define AUDIT_CLASS_CHATTR 2 175#define AUDIT_CLASS_CHATTR_32 3 176#define AUDIT_CLASS_READ 4 177#define AUDIT_CLASS_READ_32 5 178#define AUDIT_CLASS_WRITE 6 179#define AUDIT_CLASS_WRITE_32 7 180#define AUDIT_CLASS_SIGNAL 8 181#define AUDIT_CLASS_SIGNAL_32 9 182 183/* This bitmask is used to validate user input. It represents all bits that 184 * are currently used in an audit field constant understood by the kernel. 185 * If you are adding a new #define AUDIT_<whatever>, please ensure that 186 * AUDIT_UNUSED_BITS is updated if need be. */ 187#define AUDIT_UNUSED_BITS 0x07FFFC00 188 189/* AUDIT_FIELD_COMPARE rule list */ 190#define AUDIT_COMPARE_UID_TO_OBJ_UID 1 191#define AUDIT_COMPARE_GID_TO_OBJ_GID 2 192#define AUDIT_COMPARE_EUID_TO_OBJ_UID 3 193#define AUDIT_COMPARE_EGID_TO_OBJ_GID 4 194#define AUDIT_COMPARE_AUID_TO_OBJ_UID 5 195#define AUDIT_COMPARE_SUID_TO_OBJ_UID 6 196#define AUDIT_COMPARE_SGID_TO_OBJ_GID 7 197#define AUDIT_COMPARE_FSUID_TO_OBJ_UID 8 198#define AUDIT_COMPARE_FSGID_TO_OBJ_GID 9 199 200#define AUDIT_COMPARE_UID_TO_AUID 10 201#define AUDIT_COMPARE_UID_TO_EUID 11 202#define AUDIT_COMPARE_UID_TO_FSUID 12 203#define AUDIT_COMPARE_UID_TO_SUID 13 204 205#define AUDIT_COMPARE_AUID_TO_FSUID 14 206#define AUDIT_COMPARE_AUID_TO_SUID 15 207#define AUDIT_COMPARE_AUID_TO_EUID 16 208 209#define AUDIT_COMPARE_EUID_TO_SUID 17 210#define AUDIT_COMPARE_EUID_TO_FSUID 18 211 212#define AUDIT_COMPARE_SUID_TO_FSUID 19 213 214#define AUDIT_COMPARE_GID_TO_EGID 20 215#define AUDIT_COMPARE_GID_TO_FSGID 21 216#define AUDIT_COMPARE_GID_TO_SGID 22 217 218#define AUDIT_COMPARE_EGID_TO_FSGID 23 219#define AUDIT_COMPARE_EGID_TO_SGID 24 220#define AUDIT_COMPARE_SGID_TO_FSGID 25 221 222#define AUDIT_MAX_FIELD_COMPARE AUDIT_COMPARE_SGID_TO_FSGID 223 224/* Rule fields */ 225 /* These are useful when checking the 226 * task structure at task creation time 227 * (AUDIT_PER_TASK). */ 228#define AUDIT_PID 0 229#define AUDIT_UID 1 230#define AUDIT_EUID 2 231#define AUDIT_SUID 3 232#define AUDIT_FSUID 4 233#define AUDIT_GID 5 234#define AUDIT_EGID 6 235#define AUDIT_SGID 7 236#define AUDIT_FSGID 8 237#define AUDIT_LOGINUID 9 238#define AUDIT_PERS 10 239#define AUDIT_ARCH 11 240#define AUDIT_MSGTYPE 12 241#define AUDIT_SUBJ_USER 13 /* security label user */ 242#define AUDIT_SUBJ_ROLE 14 /* security label role */ 243#define AUDIT_SUBJ_TYPE 15 /* security label type */ 244#define AUDIT_SUBJ_SEN 16 /* security label sensitivity label */ 245#define AUDIT_SUBJ_CLR 17 /* security label clearance label */ 246#define AUDIT_PPID 18 247#define AUDIT_OBJ_USER 19 248#define AUDIT_OBJ_ROLE 20 249#define AUDIT_OBJ_TYPE 21 250#define AUDIT_OBJ_LEV_LOW 22 251#define AUDIT_OBJ_LEV_HIGH 23 252#define AUDIT_LOGINUID_SET 24 253 254 /* These are ONLY useful when checking 255 * at syscall exit time (AUDIT_AT_EXIT). */ 256#define AUDIT_DEVMAJOR 100 257#define AUDIT_DEVMINOR 101 258#define AUDIT_INODE 102 259#define AUDIT_EXIT 103 260#define AUDIT_SUCCESS 104 /* exit >= 0; value ignored */ 261#define AUDIT_WATCH 105 262#define AUDIT_PERM 106 263#define AUDIT_DIR 107 264#define AUDIT_FILETYPE 108 265#define AUDIT_OBJ_UID 109 266#define AUDIT_OBJ_GID 110 267#define AUDIT_FIELD_COMPARE 111 268 269#define AUDIT_ARG0 200 270#define AUDIT_ARG1 (AUDIT_ARG0+1) 271#define AUDIT_ARG2 (AUDIT_ARG0+2) 272#define AUDIT_ARG3 (AUDIT_ARG0+3) 273 274#define AUDIT_FILTERKEY 210 275 276#define AUDIT_NEGATE 0x80000000 277 278/* These are the supported operators. 279 * 4 2 1 8 280 * = > < ? 281 * ---------- 282 * 0 0 0 0 00 nonsense 283 * 0 0 0 1 08 & bit mask 284 * 0 0 1 0 10 < 285 * 0 1 0 0 20 > 286 * 0 1 1 0 30 != 287 * 1 0 0 0 40 = 288 * 1 0 0 1 48 &= bit test 289 * 1 0 1 0 50 <= 290 * 1 1 0 0 60 >= 291 * 1 1 1 1 78 all operators 292 */ 293#define AUDIT_BIT_MASK 0x08000000 294#define AUDIT_LESS_THAN 0x10000000 295#define AUDIT_GREATER_THAN 0x20000000 296#define AUDIT_NOT_EQUAL 0x30000000 297#define AUDIT_EQUAL 0x40000000 298#define AUDIT_BIT_TEST (AUDIT_BIT_MASK|AUDIT_EQUAL) 299#define AUDIT_LESS_THAN_OR_EQUAL (AUDIT_LESS_THAN|AUDIT_EQUAL) 300#define AUDIT_GREATER_THAN_OR_EQUAL (AUDIT_GREATER_THAN|AUDIT_EQUAL) 301#define AUDIT_OPERATORS (AUDIT_EQUAL|AUDIT_NOT_EQUAL|AUDIT_BIT_MASK) 302 303enum { 304 Audit_equal, 305 Audit_not_equal, 306 Audit_bitmask, 307 Audit_bittest, 308 Audit_lt, 309 Audit_gt, 310 Audit_le, 311 Audit_ge, 312 Audit_bad 313}; 314 315/* Status symbols */ 316 /* Mask values */ 317#define AUDIT_STATUS_ENABLED 0x0001 318#define AUDIT_STATUS_FAILURE 0x0002 319#define AUDIT_STATUS_PID 0x0004 320#define AUDIT_STATUS_RATE_LIMIT 0x0008 321#define AUDIT_STATUS_BACKLOG_LIMIT 0x0010 322#define AUDIT_STATUS_BACKLOG_WAIT_TIME 0x0020 323 324#define AUDIT_VERSION_BACKLOG_LIMIT 1 325#define AUDIT_VERSION_BACKLOG_WAIT_TIME 2 326#define AUDIT_VERSION_LATEST AUDIT_VERSION_BACKLOG_WAIT_TIME 327 328 /* Failure-to-log actions */ 329#define AUDIT_FAIL_SILENT 0 330#define AUDIT_FAIL_PRINTK 1 331#define AUDIT_FAIL_PANIC 2 332 333/* distinguish syscall tables */ 334#define __AUDIT_ARCH_64BIT 0x80000000 335#define __AUDIT_ARCH_LE 0x40000000 336#define AUDIT_ARCH_ALPHA (EM_ALPHA|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) 337#define AUDIT_ARCH_ARM (EM_ARM|__AUDIT_ARCH_LE) 338#define AUDIT_ARCH_ARMEB (EM_ARM) 339#define AUDIT_ARCH_CRIS (EM_CRIS|__AUDIT_ARCH_LE) 340#define AUDIT_ARCH_FRV (EM_FRV) 341#define AUDIT_ARCH_I386 (EM_386|__AUDIT_ARCH_LE) 342#define AUDIT_ARCH_IA64 (EM_IA_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) 343#define AUDIT_ARCH_M32R (EM_M32R) 344#define AUDIT_ARCH_M68K (EM_68K) 345#define AUDIT_ARCH_MIPS (EM_MIPS) 346#define AUDIT_ARCH_MIPSEL (EM_MIPS|__AUDIT_ARCH_LE) 347#define AUDIT_ARCH_MIPS64 (EM_MIPS|__AUDIT_ARCH_64BIT) 348#define AUDIT_ARCH_MIPSEL64 (EM_MIPS|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) 349#define AUDIT_ARCH_OPENRISC (EM_OPENRISC) 350#define AUDIT_ARCH_PARISC (EM_PARISC) 351#define AUDIT_ARCH_PARISC64 (EM_PARISC|__AUDIT_ARCH_64BIT) 352#define AUDIT_ARCH_PPC (EM_PPC) 353#define AUDIT_ARCH_PPC64 (EM_PPC64|__AUDIT_ARCH_64BIT) 354#define AUDIT_ARCH_S390 (EM_S390) 355#define AUDIT_ARCH_S390X (EM_S390|__AUDIT_ARCH_64BIT) 356#define AUDIT_ARCH_SH (EM_SH) 357#define AUDIT_ARCH_SHEL (EM_SH|__AUDIT_ARCH_LE) 358#define AUDIT_ARCH_SH64 (EM_SH|__AUDIT_ARCH_64BIT) 359#define AUDIT_ARCH_SHEL64 (EM_SH|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) 360#define AUDIT_ARCH_SPARC (EM_SPARC) 361#define AUDIT_ARCH_SPARC64 (EM_SPARCV9|__AUDIT_ARCH_64BIT) 362#define AUDIT_ARCH_X86_64 (EM_X86_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) 363 364#define AUDIT_PERM_EXEC 1 365#define AUDIT_PERM_WRITE 2 366#define AUDIT_PERM_READ 4 367#define AUDIT_PERM_ATTR 8 368 369/* MAX_AUDIT_MESSAGE_LENGTH is set in audit:lib/libaudit.h as: 370 * 8970 // PATH_MAX*2+CONTEXT_SIZE*2+11+256+1 371 * max header+body+tailer: 44 + 29 + 32 + 262 + 7 + pad 372 */ 373#define AUDIT_MESSAGE_TEXT_MAX 8560 374 375struct audit_status { 376 __u32 mask; /* Bit mask for valid entries */ 377 __u32 enabled; /* 1 = enabled, 0 = disabled */ 378 __u32 failure; /* Failure-to-log action */ 379 __u32 pid; /* pid of auditd process */ 380 __u32 rate_limit; /* messages rate limit (per second) */ 381 __u32 backlog_limit; /* waiting messages limit */ 382 __u32 lost; /* messages lost */ 383 __u32 backlog; /* messages waiting in queue */ 384 __u32 version; /* audit api version number */ 385 __u32 backlog_wait_time;/* message queue wait timeout */ 386}; 387 388struct audit_features { 389#define AUDIT_FEATURE_VERSION 1 390 __u32 vers; 391 __u32 mask; /* which bits we are dealing with */ 392 __u32 features; /* which feature to enable/disable */ 393 __u32 lock; /* which features to lock */ 394}; 395 396#define AUDIT_FEATURE_ONLY_UNSET_LOGINUID 0 397#define AUDIT_FEATURE_LOGINUID_IMMUTABLE 1 398#define AUDIT_LAST_FEATURE AUDIT_FEATURE_LOGINUID_IMMUTABLE 399 400#define audit_feature_valid(x) ((x) >= 0 && (x) <= AUDIT_LAST_FEATURE) 401#define AUDIT_FEATURE_TO_MASK(x) (1 << ((x) & 31)) /* mask for __u32 */ 402 403struct audit_tty_status { 404 __u32 enabled; /* 1 = enabled, 0 = disabled */ 405 __u32 log_passwd; /* 1 = enabled, 0 = disabled */ 406}; 407 408#define AUDIT_UID_UNSET (unsigned int)-1 409 410/* audit_rule_data supports filter rules with both integer and string 411 * fields. It corresponds with AUDIT_ADD_RULE, AUDIT_DEL_RULE and 412 * AUDIT_LIST_RULES requests. 413 */ 414struct audit_rule_data { 415 __u32 flags; /* AUDIT_PER_{TASK,CALL}, AUDIT_PREPEND */ 416 __u32 action; /* AUDIT_NEVER, AUDIT_POSSIBLE, AUDIT_ALWAYS */ 417 __u32 field_count; 418 __u32 mask[AUDIT_BITMASK_SIZE]; /* syscall(s) affected */ 419 __u32 fields[AUDIT_MAX_FIELDS]; 420 __u32 values[AUDIT_MAX_FIELDS]; 421 __u32 fieldflags[AUDIT_MAX_FIELDS]; 422 __u32 buflen; /* total length of string fields */ 423 char buf[0]; /* string fields buffer */ 424}; 425 426/* audit_rule is supported to maintain backward compatibility with 427 * userspace. It supports integer fields only and corresponds to 428 * AUDIT_ADD, AUDIT_DEL and AUDIT_LIST requests. 429 */ 430struct audit_rule { /* for AUDIT_LIST, AUDIT_ADD, and AUDIT_DEL */ 431 __u32 flags; /* AUDIT_PER_{TASK,CALL}, AUDIT_PREPEND */ 432 __u32 action; /* AUDIT_NEVER, AUDIT_POSSIBLE, AUDIT_ALWAYS */ 433 __u32 field_count; 434 __u32 mask[AUDIT_BITMASK_SIZE]; 435 __u32 fields[AUDIT_MAX_FIELDS]; 436 __u32 values[AUDIT_MAX_FIELDS]; 437}; 438 439#endif /* _UAPI_LINUX_AUDIT_H_ */ 440