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audit.h
/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ /* audit.h -- Auditing support * * Copyright 2003-2004 Red Hat Inc., Durham, North Carolina. * All Rights Reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * Written by Rickard E. (Rik) Faith <faith@redhat.com> * */ #ifndef _LINUX_AUDIT_H_ #define _LINUX_AUDIT_H_ #include <linux/types.h> #include <linux/elf-em.h> /* The netlink messages for the audit system is divided into blocks: * 1000 - 1099 are for commanding the audit system * 1100 - 1199 user space trusted application messages * 1200 - 1299 messages internal to the audit daemon * 1300 - 1399 audit event messages * 1400 - 1499 SE Linux use * 1500 - 1599 kernel LSPP events * 1600 - 1699 kernel crypto events * 1700 - 1799 kernel anomaly records * 1800 - 1899 kernel integrity events * 1900 - 1999 future kernel use * 2000 is for otherwise unclassified kernel audit messages (legacy) * 2001 - 2099 unused (kernel) * 2100 - 2199 user space anomaly records * 2200 - 2299 user space actions taken in response to anomalies * 2300 - 2399 user space generated LSPP events * 2400 - 2499 user space crypto events * 2500 - 2999 future user space (maybe integrity labels and related events) * * Messages from 1000-1199 are bi-directional. 1200-1299 & 2100 - 2999 are * exclusively user space. 1300-2099 is kernel --> user space * communication. */ #define AUDIT_GET 1000 /* Get status */ #define AUDIT_SET 1001 /* Set status (enable/disable/auditd) */ #define AUDIT_LIST 1002 /* List syscall rules -- deprecated */ #define AUDIT_ADD 1003 /* Add syscall rule -- deprecated */ #define AUDIT_DEL 1004 /* Delete syscall rule -- deprecated */ #define AUDIT_USER 1005 /* Message from userspace -- deprecated */ #define AUDIT_LOGIN 1006 /* Define the login id and information */ #define AUDIT_WATCH_INS 1007 /* Insert file/dir watch entry */ #define AUDIT_WATCH_REM 1008 /* Remove file/dir watch entry */ #define AUDIT_WATCH_LIST 1009 /* List all file/dir watches */ #define AUDIT_SIGNAL_INFO 1010 /* Get info about sender of signal to auditd */ #define AUDIT_ADD_RULE 1011 /* Add syscall filtering rule */ #define AUDIT_DEL_RULE 1012 /* Delete syscall filtering rule */ #define AUDIT_LIST_RULES 1013 /* List syscall filtering rules */ #define AUDIT_TRIM 1014 /* Trim junk from watched tree */ #define AUDIT_MAKE_EQUIV 1015 /* Append to watched tree */ #define AUDIT_TTY_GET 1016 /* Get TTY auditing status */ #define AUDIT_TTY_SET 1017 /* Set TTY auditing status */ #define AUDIT_SET_FEATURE 1018 /* Turn an audit feature on or off */ #define AUDIT_GET_FEATURE 1019 /* Get which features are enabled */ #define AUDIT_FIRST_USER_MSG 1100 /* Userspace messages mostly uninteresting to kernel */ #define AUDIT_USER_AVC 1107 /* We filter this differently */ #define AUDIT_USER_TTY 1124 /* Non-ICANON TTY input meaning */ #define AUDIT_LAST_USER_MSG 1199 #define AUDIT_FIRST_USER_MSG2 2100 /* More user space messages */ #define AUDIT_LAST_USER_MSG2 2999 #define AUDIT_DAEMON_START 1200 /* Daemon startup record */ #define AUDIT_DAEMON_END 1201 /* Daemon normal stop record */ #define AUDIT_DAEMON_ABORT 1202 /* Daemon error stop record */ #define AUDIT_DAEMON_CONFIG 1203 /* Daemon config change */ #define AUDIT_SYSCALL 1300 /* Syscall event */ /* #define AUDIT_FS_WATCH 1301 * Deprecated */ #define AUDIT_PATH 1302 /* Filename path information */ #define AUDIT_IPC 1303 /* IPC record */ #define AUDIT_SOCKETCALL 1304 /* sys_socketcall arguments */ #define AUDIT_CONFIG_CHANGE 1305 /* Audit system configuration change */ #define AUDIT_SOCKADDR 1306 /* sockaddr copied as syscall arg */ #define AUDIT_CWD 1307 /* Current working directory */ #define AUDIT_EXECVE 1309 /* execve arguments */ #define AUDIT_IPC_SET_PERM 1311 /* IPC new permissions record type */ #define AUDIT_MQ_OPEN 1312 /* POSIX MQ open record type */ #define AUDIT_MQ_SENDRECV 1313 /* POSIX MQ send/receive record type */ #define AUDIT_MQ_NOTIFY 1314 /* POSIX MQ notify record type */ #define AUDIT_MQ_GETSETATTR 1315 /* POSIX MQ get/set attribute record type */ #define AUDIT_KERNEL_OTHER 1316 /* For use by 3rd party modules */ #define AUDIT_FD_PAIR 1317 /* audit record for pipe/socketpair */ #define AUDIT_OBJ_PID 1318 /* ptrace target */ #define AUDIT_TTY 1319 /* Input on an administrative TTY */ #define AUDIT_EOE 1320 /* End of multi-record event */ #define AUDIT_BPRM_FCAPS 1321 /* Information about fcaps increasing perms */ #define AUDIT_CAPSET 1322 /* Record showing argument to sys_capset */ #define AUDIT_MMAP 1323 /* Record showing descriptor and flags in mmap */ #define AUDIT_NETFILTER_PKT 1324 /* Packets traversing netfilter chains */ #define AUDIT_NETFILTER_CFG 1325 /* Netfilter chain modifications */ #define AUDIT_SECCOMP 1326 /* Secure Computing event */ #define AUDIT_PROCTITLE 1327 /* Proctitle emit event */ #define AUDIT_FEATURE_CHANGE 1328 /* audit log listing feature changes */ #define AUDIT_REPLACE 1329 /* Replace auditd if this packet unanswerd */ #define AUDIT_KERN_MODULE 1330 /* Kernel Module events */ #define AUDIT_FANOTIFY 1331 /* Fanotify access decision */ #define AUDIT_TIME_INJOFFSET 1332 /* Timekeeping offset injected */ #define AUDIT_TIME_ADJNTPVAL 1333 /* NTP value adjustment */ #define AUDIT_BPF 1334 /* BPF subsystem */ #define AUDIT_EVENT_LISTENER 1335 /* Task joined multicast read socket */ #define AUDIT_OPENAT2 1337 /* Record showing openat2 how args */ #define AUDIT_AVC 1400 /* SE Linux avc denial or grant */ #define AUDIT_SELINUX_ERR 1401 /* Internal SE Linux Errors */ #define AUDIT_AVC_PATH 1402 /* dentry, vfsmount pair from avc */ #define AUDIT_MAC_POLICY_LOAD 1403 /* Policy file load */ #define AUDIT_MAC_STATUS 1404 /* Changed enforcing,permissive,off */ #define AUDIT_MAC_CONFIG_CHANGE 1405 /* Changes to booleans */ #define AUDIT_MAC_UNLBL_ALLOW 1406 /* NetLabel: allow unlabeled traffic */ #define AUDIT_MAC_CIPSOV4_ADD 1407 /* NetLabel: add CIPSOv4 DOI entry */ #define AUDIT_MAC_CIPSOV4_DEL 1408 /* NetLabel: del CIPSOv4 DOI entry */ #define AUDIT_MAC_MAP_ADD 1409 /* NetLabel: add LSM domain mapping */ #define AUDIT_MAC_MAP_DEL 1410 /* NetLabel: del LSM domain mapping */ #define AUDIT_MAC_IPSEC_ADDSA 1411 /* Not used */ #define AUDIT_MAC_IPSEC_DELSA 1412 /* Not used */ #define AUDIT_MAC_IPSEC_ADDSPD 1413 /* Not used */ #define AUDIT_MAC_IPSEC_DELSPD 1414 /* Not used */ #define AUDIT_MAC_IPSEC_EVENT 1415 /* Audit an IPSec event */ #define AUDIT_MAC_UNLBL_STCADD 1416 /* NetLabel: add a static label */ #define AUDIT_MAC_UNLBL_STCDEL 1417 /* NetLabel: del a static label */ #define AUDIT_MAC_CALIPSO_ADD 1418 /* NetLabel: add CALIPSO DOI entry */ #define AUDIT_MAC_CALIPSO_DEL 1419 /* NetLabel: del CALIPSO DOI entry */ #define AUDIT_FIRST_KERN_ANOM_MSG 1700 #define AUDIT_LAST_KERN_ANOM_MSG 1799 #define AUDIT_ANOM_PROMISCUOUS 1700 /* Device changed promiscuous mode */ #define AUDIT_ANOM_ABEND 1701 /* Process ended abnormally */ #define AUDIT_ANOM_LINK 1702 /* Suspicious use of file links */ #define AUDIT_ANOM_CREAT 1703 /* Suspicious file creation */ #define AUDIT_INTEGRITY_DATA 1800 /* Data integrity verification */ #define AUDIT_INTEGRITY_METADATA 1801 /* Metadata integrity verification */ #define AUDIT_INTEGRITY_STATUS 1802 /* Integrity enable status */ #define AUDIT_INTEGRITY_HASH 1803 /* Integrity HASH type */ #define AUDIT_INTEGRITY_PCR 1804 /* PCR invalidation msgs */ #define AUDIT_INTEGRITY_RULE 1805 /* policy rule */ #define AUDIT_INTEGRITY_EVM_XATTR 1806 /* New EVM-covered xattr */ #define AUDIT_INTEGRITY_POLICY_RULE 1807 /* IMA policy rules */ #define AUDIT_KERNEL 2000 /* Asynchronous audit record. NOT A REQUEST. */ /* Rule flags */ #define AUDIT_FILTER_USER 0x00 /* Apply rule to user-generated messages */ #define AUDIT_FILTER_TASK 0x01 /* Apply rule at task creation (not syscall) */ #define AUDIT_FILTER_ENTRY 0x02 /* Apply rule at syscall entry */ #define AUDIT_FILTER_WATCH 0x03 /* Apply rule to file system watches */ #define AUDIT_FILTER_EXIT 0x04 /* Apply rule at syscall exit */ #define AUDIT_FILTER_EXCLUDE 0x05 /* Apply rule before record creation */ #define AUDIT_FILTER_TYPE AUDIT_FILTER_EXCLUDE /* obsolete misleading naming */ #define AUDIT_FILTER_FS 0x06 /* Apply rule at __audit_inode_child */ #define AUDIT_NR_FILTERS 7 #define AUDIT_FILTER_PREPEND 0x10 /* Prepend to front of list */ /* Rule actions */ #define AUDIT_NEVER 0 /* Do not build context if rule matches */ #define AUDIT_POSSIBLE 1 /* Build context if rule matches */ #define AUDIT_ALWAYS 2 /* Generate audit record if rule matches */ /* Rule structure sizes -- if these change, different AUDIT_ADD and * AUDIT_LIST commands must be implemented. */ #define AUDIT_MAX_FIELDS 64 #define AUDIT_MAX_KEY_LEN 256 #define AUDIT_BITMASK_SIZE 64 #define AUDIT_WORD(nr) ((__u32)((nr)/32)) #define AUDIT_BIT(nr) (1U << ((nr) - AUDIT_WORD(nr)*32)) #define AUDIT_SYSCALL_CLASSES 16 #define AUDIT_CLASS_DIR_WRITE 0 #define AUDIT_CLASS_DIR_WRITE_32 1 #define AUDIT_CLASS_CHATTR 2 #define AUDIT_CLASS_CHATTR_32 3 #define AUDIT_CLASS_READ 4 #define AUDIT_CLASS_READ_32 5 #define AUDIT_CLASS_WRITE 6 #define AUDIT_CLASS_WRITE_32 7 #define AUDIT_CLASS_SIGNAL 8 #define AUDIT_CLASS_SIGNAL_32 9 /* This bitmask is used to validate user input. It represents all bits that * are currently used in an audit field constant understood by the kernel. * If you are adding a new #define AUDIT_<whatever>, please ensure that * AUDIT_UNUSED_BITS is updated if need be. */ #define AUDIT_UNUSED_BITS 0x07FFFC00 /* AUDIT_FIELD_COMPARE rule list */ #define AUDIT_COMPARE_UID_TO_OBJ_UID 1 #define AUDIT_COMPARE_GID_TO_OBJ_GID 2 #define AUDIT_COMPARE_EUID_TO_OBJ_UID 3 #define AUDIT_COMPARE_EGID_TO_OBJ_GID 4 #define AUDIT_COMPARE_AUID_TO_OBJ_UID 5 #define AUDIT_COMPARE_SUID_TO_OBJ_UID 6 #define AUDIT_COMPARE_SGID_TO_OBJ_GID 7 #define AUDIT_COMPARE_FSUID_TO_OBJ_UID 8 #define AUDIT_COMPARE_FSGID_TO_OBJ_GID 9 #define AUDIT_COMPARE_UID_TO_AUID 10 #define AUDIT_COMPARE_UID_TO_EUID 11 #define AUDIT_COMPARE_UID_TO_FSUID 12 #define AUDIT_COMPARE_UID_TO_SUID 13 #define AUDIT_COMPARE_AUID_TO_FSUID 14 #define AUDIT_COMPARE_AUID_TO_SUID 15 #define AUDIT_COMPARE_AUID_TO_EUID 16 #define AUDIT_COMPARE_EUID_TO_SUID 17 #define AUDIT_COMPARE_EUID_TO_FSUID 18 #define AUDIT_COMPARE_SUID_TO_FSUID 19 #define AUDIT_COMPARE_GID_TO_EGID 20 #define AUDIT_COMPARE_GID_TO_FSGID 21 #define AUDIT_COMPARE_GID_TO_SGID 22 #define AUDIT_COMPARE_EGID_TO_FSGID 23 #define AUDIT_COMPARE_EGID_TO_SGID 24 #define AUDIT_COMPARE_SGID_TO_FSGID 25 #define AUDIT_MAX_FIELD_COMPARE AUDIT_COMPARE_SGID_TO_FSGID /* Rule fields */ /* These are useful when checking the * task structure at task creation time * (AUDIT_PER_TASK). */ #define AUDIT_PID 0 #define AUDIT_UID 1 #define AUDIT_EUID 2 #define AUDIT_SUID 3 #define AUDIT_FSUID 4 #define AUDIT_GID 5 #define AUDIT_EGID 6 #define AUDIT_SGID 7 #define AUDIT_FSGID 8 #define AUDIT_LOGINUID 9 #define AUDIT_PERS 10 #define AUDIT_ARCH 11 #define AUDIT_MSGTYPE 12 #define AUDIT_SUBJ_USER 13 /* security label user */ #define AUDIT_SUBJ_ROLE 14 /* security label role */ #define AUDIT_SUBJ_TYPE 15 /* security label type */ #define AUDIT_SUBJ_SEN 16 /* security label sensitivity label */ #define AUDIT_SUBJ_CLR 17 /* security label clearance label */ #define AUDIT_PPID 18 #define AUDIT_OBJ_USER 19 #define AUDIT_OBJ_ROLE 20 #define AUDIT_OBJ_TYPE 21 #define AUDIT_OBJ_LEV_LOW 22 #define AUDIT_OBJ_LEV_HIGH 23 #define AUDIT_LOGINUID_SET 24 #define AUDIT_SESSIONID 25 /* Session ID */ #define AUDIT_FSTYPE 26 /* FileSystem Type */ /* These are ONLY useful when checking * at syscall exit time (AUDIT_AT_EXIT). */ #define AUDIT_DEVMAJOR 100 #define AUDIT_DEVMINOR 101 #define AUDIT_INODE 102 #define AUDIT_EXIT 103 #define AUDIT_SUCCESS 104 /* exit >= 0; value ignored */ #define AUDIT_WATCH 105 #define AUDIT_PERM 106 #define AUDIT_DIR 107 #define AUDIT_FILETYPE 108 #define AUDIT_OBJ_UID 109 #define AUDIT_OBJ_GID 110 #define AUDIT_FIELD_COMPARE 111 #define AUDIT_EXE 112 #define AUDIT_SADDR_FAM 113 #define AUDIT_ARG0 200 #define AUDIT_ARG1 (AUDIT_ARG0+1) #define AUDIT_ARG2 (AUDIT_ARG0+2) #define AUDIT_ARG3 (AUDIT_ARG0+3) #define AUDIT_FILTERKEY 210 #define AUDIT_NEGATE 0x80000000 /* These are the supported operators. * 4 2 1 8 * = > < ? * ---------- * 0 0 0 0 00 nonsense * 0 0 0 1 08 & bit mask * 0 0 1 0 10 < * 0 1 0 0 20 > * 0 1 1 0 30 != * 1 0 0 0 40 = * 1 0 0 1 48 &= bit test * 1 0 1 0 50 <= * 1 1 0 0 60 >= * 1 1 1 1 78 all operators */ #define AUDIT_BIT_MASK 0x08000000 #define AUDIT_LESS_THAN 0x10000000 #define AUDIT_GREATER_THAN 0x20000000 #define AUDIT_NOT_EQUAL 0x30000000 #define AUDIT_EQUAL 0x40000000 #define AUDIT_BIT_TEST (AUDIT_BIT_MASK|AUDIT_EQUAL) #define AUDIT_LESS_THAN_OR_EQUAL (AUDIT_LESS_THAN|AUDIT_EQUAL) #define AUDIT_GREATER_THAN_OR_EQUAL (AUDIT_GREATER_THAN|AUDIT_EQUAL) #define AUDIT_OPERATORS (AUDIT_EQUAL|AUDIT_NOT_EQUAL|AUDIT_BIT_MASK) enum { Audit_equal, Audit_not_equal, Audit_bitmask, Audit_bittest, Audit_lt, Audit_gt, Audit_le, Audit_ge, Audit_bad }; /* Status symbols */ /* Mask values */ #define AUDIT_STATUS_ENABLED 0x0001 #define AUDIT_STATUS_FAILURE 0x0002 #define AUDIT_STATUS_PID 0x0004 #define AUDIT_STATUS_RATE_LIMIT 0x0008 #define AUDIT_STATUS_BACKLOG_LIMIT 0x0010 #define AUDIT_STATUS_BACKLOG_WAIT_TIME 0x0020 #define AUDIT_STATUS_LOST 0x0040 #define AUDIT_STATUS_BACKLOG_WAIT_TIME_ACTUAL 0x0080 #define AUDIT_FEATURE_BITMAP_BACKLOG_LIMIT 0x00000001 #define AUDIT_FEATURE_BITMAP_BACKLOG_WAIT_TIME 0x00000002 #define AUDIT_FEATURE_BITMAP_EXECUTABLE_PATH 0x00000004 #define AUDIT_FEATURE_BITMAP_EXCLUDE_EXTEND 0x00000008 #define AUDIT_FEATURE_BITMAP_SESSIONID_FILTER 0x00000010 #define AUDIT_FEATURE_BITMAP_LOST_RESET 0x00000020 #define AUDIT_FEATURE_BITMAP_FILTER_FS 0x00000040 #define AUDIT_FEATURE_BITMAP_ALL (AUDIT_FEATURE_BITMAP_BACKLOG_LIMIT | \ AUDIT_FEATURE_BITMAP_BACKLOG_WAIT_TIME | \ AUDIT_FEATURE_BITMAP_EXECUTABLE_PATH | \ AUDIT_FEATURE_BITMAP_EXCLUDE_EXTEND | \ AUDIT_FEATURE_BITMAP_SESSIONID_FILTER | \ AUDIT_FEATURE_BITMAP_LOST_RESET | \ AUDIT_FEATURE_BITMAP_FILTER_FS) /* deprecated: AUDIT_VERSION_* */ #define AUDIT_VERSION_LATEST AUDIT_FEATURE_BITMAP_ALL #define AUDIT_VERSION_BACKLOG_LIMIT AUDIT_FEATURE_BITMAP_BACKLOG_LIMIT #define AUDIT_VERSION_BACKLOG_WAIT_TIME AUDIT_FEATURE_BITMAP_BACKLOG_WAIT_TIME /* Failure-to-log actions */ #define AUDIT_FAIL_SILENT 0 #define AUDIT_FAIL_PRINTK 1 #define AUDIT_FAIL_PANIC 2 /* * These bits disambiguate different calling conventions that share an * ELF machine type, bitness, and endianness */ #define __AUDIT_ARCH_CONVENTION_MASK 0x30000000 #define __AUDIT_ARCH_CONVENTION_MIPS64_N32 0x20000000 /* distinguish syscall tables */ #define __AUDIT_ARCH_64BIT 0x80000000 #define __AUDIT_ARCH_LE 0x40000000 #define AUDIT_ARCH_AARCH64 (EM_AARCH64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) #define AUDIT_ARCH_ALPHA (EM_ALPHA|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) #define AUDIT_ARCH_ARM (EM_ARM|__AUDIT_ARCH_LE) #define AUDIT_ARCH_ARMEB (EM_ARM) #define AUDIT_ARCH_CRIS (EM_CRIS|__AUDIT_ARCH_LE) #define AUDIT_ARCH_FRV (EM_FRV) #define AUDIT_ARCH_I386 (EM_386|__AUDIT_ARCH_LE) #define AUDIT_ARCH_IA64 (EM_IA_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) #define AUDIT_ARCH_M32R (EM_M32R) #define AUDIT_ARCH_M68K (EM_68K) #define AUDIT_ARCH_MICROBLAZE (EM_MICROBLAZE) #define AUDIT_ARCH_MIPS (EM_MIPS) #define AUDIT_ARCH_MIPSEL (EM_MIPS|__AUDIT_ARCH_LE) #define AUDIT_ARCH_MIPS64 (EM_MIPS|__AUDIT_ARCH_64BIT) #define AUDIT_ARCH_MIPS64N32 (EM_MIPS|__AUDIT_ARCH_64BIT|\ __AUDIT_ARCH_CONVENTION_MIPS64_N32) #define AUDIT_ARCH_MIPSEL64 (EM_MIPS|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) #define AUDIT_ARCH_MIPSEL64N32 (EM_MIPS|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE|\ __AUDIT_ARCH_CONVENTION_MIPS64_N32) #define AUDIT_ARCH_OPENRISC (EM_OPENRISC) #define AUDIT_ARCH_PARISC (EM_PARISC) #define AUDIT_ARCH_PARISC64 (EM_PARISC|__AUDIT_ARCH_64BIT) #define AUDIT_ARCH_PPC (EM_PPC) /* do not define AUDIT_ARCH_PPCLE since it is not supported by audit */ #define AUDIT_ARCH_PPC64 (EM_PPC64|__AUDIT_ARCH_64BIT) #define AUDIT_ARCH_PPC64LE (EM_PPC64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) #define AUDIT_ARCH_S390 (EM_S390) #define AUDIT_ARCH_S390X (EM_S390|__AUDIT_ARCH_64BIT) #define AUDIT_ARCH_SH (EM_SH) #define AUDIT_ARCH_SHEL (EM_SH|__AUDIT_ARCH_LE) #define AUDIT_ARCH_SH64 (EM_SH|__AUDIT_ARCH_64BIT) #define AUDIT_ARCH_SHEL64 (EM_SH|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) #define AUDIT_ARCH_SPARC (EM_SPARC) #define AUDIT_ARCH_SPARC64 (EM_SPARCV9|__AUDIT_ARCH_64BIT) #define AUDIT_ARCH_TILEGX (EM_TILEGX|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) #define AUDIT_ARCH_TILEGX32 (EM_TILEGX|__AUDIT_ARCH_LE) #define AUDIT_ARCH_TILEPRO (EM_TILEPRO|__AUDIT_ARCH_LE) #define AUDIT_ARCH_X86_64 (EM_X86_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) #define AUDIT_PERM_EXEC 1 #define AUDIT_PERM_WRITE 2 #define AUDIT_PERM_READ 4 #define AUDIT_PERM_ATTR 8 /* MAX_AUDIT_MESSAGE_LENGTH is set in audit:lib/libaudit.h as: * 8970 // PATH_MAX*2+CONTEXT_SIZE*2+11+256+1 * max header+body+tailer: 44 + 29 + 32 + 262 + 7 + pad */ #define AUDIT_MESSAGE_TEXT_MAX 8560 /* Multicast Netlink socket groups (default up to 32) */ enum audit_nlgrps { AUDIT_NLGRP_NONE, /* Group 0 not used */ AUDIT_NLGRP_READLOG, /* "best effort" read only socket */ __AUDIT_NLGRP_MAX }; #define AUDIT_NLGRP_MAX (__AUDIT_NLGRP_MAX - 1) struct audit_status { __u32 mask; /* Bit mask for valid entries */ __u32 enabled; /* 1 = enabled, 0 = disabled */ __u32 failure; /* Failure-to-log action */ __u32 pid; /* pid of auditd process */ __u32 rate_limit; /* messages rate limit (per second) */ __u32 backlog_limit; /* waiting messages limit */ __u32 lost; /* messages lost */ __u32 backlog; /* messages waiting in queue */ union { __u32 version; /* deprecated: audit api version num */ __u32 feature_bitmap; /* bitmap of kernel audit features */ }; __u32 backlog_wait_time;/* message queue wait timeout */ __u32 backlog_wait_time_actual;/* time spent waiting while * message limit exceeded */ }; struct audit_features { #define AUDIT_FEATURE_VERSION 1 __u32 vers; __u32 mask; /* which bits we are dealing with */ __u32 features; /* which feature to enable/disable */ __u32 lock; /* which features to lock */ }; #define AUDIT_FEATURE_ONLY_UNSET_LOGINUID 0 #define AUDIT_FEATURE_LOGINUID_IMMUTABLE 1 #define AUDIT_LAST_FEATURE AUDIT_FEATURE_LOGINUID_IMMUTABLE #define audit_feature_valid(x) ((x) >= 0 && (x) <= AUDIT_LAST_FEATURE) #define AUDIT_FEATURE_TO_MASK(x) (1 << ((x) & 31)) /* mask for __u32 */ struct audit_tty_status { __u32 enabled; /* 1 = enabled, 0 = disabled */ __u32 log_passwd; /* 1 = enabled, 0 = disabled */ }; #define AUDIT_UID_UNSET (unsigned int)-1 #define AUDIT_SID_UNSET ((unsigned int)-1) /* audit_rule_data supports filter rules with both integer and string * fields. It corresponds with AUDIT_ADD_RULE, AUDIT_DEL_RULE and * AUDIT_LIST_RULES requests. */ struct audit_rule_data { __u32 flags; /* AUDIT_PER_{TASK,CALL}, AUDIT_PREPEND */ __u32 action; /* AUDIT_NEVER, AUDIT_POSSIBLE, AUDIT_ALWAYS */ __u32 field_count; __u32 mask[AUDIT_BITMASK_SIZE]; /* syscall(s) affected */ __u32 fields[AUDIT_MAX_FIELDS]; __u32 values[AUDIT_MAX_FIELDS]; __u32 fieldflags[AUDIT_MAX_FIELDS]; __u32 buflen; /* total length of string fields */ char buf[]; /* string fields buffer */ }; #endif /* _LINUX_AUDIT_H_ */
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