[deliverable/linux.git] / include / uapi / linux / audit.h

/* 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 _UAPI_LINUX_AUDIT_H_
#define _UAPI_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_FEATURE_CHANGE	1020	/* audit log listing feature changes */

#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_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_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_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_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_TYPE	0x05	/* Apply rule at audit_log_start */

#define AUDIT_NR_FILTERS	6

#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)  (1 << ((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

				/* 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_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_VERSION_BACKLOG_LIMIT	1
#define AUDIT_VERSION_BACKLOG_WAIT_TIME	2
#define AUDIT_VERSION_LATEST AUDIT_VERSION_BACKLOG_WAIT_TIME

				/* Failure-to-log actions */
#define AUDIT_FAIL_SILENT	0
#define AUDIT_FAIL_PRINTK	1
#define AUDIT_FAIL_PANIC	2

/* distinguish syscall tables */
#define __AUDIT_ARCH_64BIT 0x80000000
#define __AUDIT_ARCH_LE	   0x40000000
#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_MIPS		(EM_MIPS)
#define AUDIT_ARCH_MIPSEL	(EM_MIPS|__AUDIT_ARCH_LE)
#define AUDIT_ARCH_MIPS64	(EM_MIPS|__AUDIT_ARCH_64BIT)
#define AUDIT_ARCH_MIPSEL64	(EM_MIPS|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
#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)
#define AUDIT_ARCH_PPC64	(EM_PPC64|__AUDIT_ARCH_64BIT)
#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_X86_64	(EM_X86_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)

#ifdef CONFIG_COMPAT
#define audit_is_compat(arch)	(!((arch) & __AUDIT_ARCH_64BIT))
#else
#define audit_is_compat(arch)	false
#endif

#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

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 */
	__u32		version;	/* audit api version number */
	__u32		backlog_wait_time;/* message queue wait timeout */
};

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

/* 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[0];	/* string fields buffer */
};

/* audit_rule is supported to maintain backward compatibility with
 * userspace.  It supports integer fields only and corresponds to
 * AUDIT_ADD, AUDIT_DEL and AUDIT_LIST requests.
 */
struct audit_rule {		/* for AUDIT_LIST, AUDIT_ADD, and AUDIT_DEL */
	__u32		flags;	/* AUDIT_PER_{TASK,CALL}, AUDIT_PREPEND */
	__u32		action;	/* AUDIT_NEVER, AUDIT_POSSIBLE, AUDIT_ALWAYS */
	__u32		field_count;
	__u32		mask[AUDIT_BITMASK_SIZE];
	__u32		fields[AUDIT_MAX_FIELDS];
	__u32		values[AUDIT_MAX_FIELDS];
};

#endif /* _UAPI_LINUX_AUDIT_H_ */
Commit	Line	Data
607ca46e DH	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>
607ca46e DH	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 */
b0fed402 EP	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 */
607ca46e DH	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 */
7b9205bd	111	#define AUDIT_SECCOMP 1326 /* Secure Computing event */
3f1c8250	112	#define AUDIT_PROCTITLE 1327 /* Proctitle emit event */
607ca46e DH	113
	114	#define AUDIT_AVC 1400 /* SE Linux avc denial or grant */
	115	#define AUDIT_SELINUX_ERR 1401 /* Internal SE Linux Errors */
	116	#define AUDIT_AVC_PATH 1402 /* dentry, vfsmount pair from avc */
	117	#define AUDIT_MAC_POLICY_LOAD 1403 /* Policy file load */
	118	#define AUDIT_MAC_STATUS 1404 /* Changed enforcing,permissive,off */
	119	#define AUDIT_MAC_CONFIG_CHANGE 1405 /* Changes to booleans */
	120	#define AUDIT_MAC_UNLBL_ALLOW 1406 /* NetLabel: allow unlabeled traffic */
	121	#define AUDIT_MAC_CIPSOV4_ADD 1407 /* NetLabel: add CIPSOv4 DOI entry */
	122	#define AUDIT_MAC_CIPSOV4_DEL 1408 /* NetLabel: del CIPSOv4 DOI entry */
	123	#define AUDIT_MAC_MAP_ADD 1409 /* NetLabel: add LSM domain mapping */
	124	#define AUDIT_MAC_MAP_DEL 1410 /* NetLabel: del LSM domain mapping */
	125	#define AUDIT_MAC_IPSEC_ADDSA 1411 /* Not used */
	126	#define AUDIT_MAC_IPSEC_DELSA 1412 /* Not used */
	127	#define AUDIT_MAC_IPSEC_ADDSPD 1413 /* Not used */
	128	#define AUDIT_MAC_IPSEC_DELSPD 1414 /* Not used */
	129	#define AUDIT_MAC_IPSEC_EVENT 1415 /* Audit an IPSec event */
	130	#define AUDIT_MAC_UNLBL_STCADD 1416 /* NetLabel: add a static label */
	131	#define AUDIT_MAC_UNLBL_STCDEL 1417 /* NetLabel: del a static label */
	132
	133	#define AUDIT_FIRST_KERN_ANOM_MSG 1700
	134	#define AUDIT_LAST_KERN_ANOM_MSG 1799
	135	#define AUDIT_ANOM_PROMISCUOUS 1700 /* Device changed promiscuous mode */
	136	#define AUDIT_ANOM_ABEND 1701 /* Process ended abnormally */
	137	#define AUDIT_ANOM_LINK 1702 /* Suspicious use of file links */
	138	#define AUDIT_INTEGRITY_DATA 1800 /* Data integrity verification */
	139	#define AUDIT_INTEGRITY_METADATA 1801 /* Metadata integrity verification */
	140	#define AUDIT_INTEGRITY_STATUS 1802 /* Integrity enable status */
	141	#define AUDIT_INTEGRITY_HASH 1803 /* Integrity HASH type */
	142	#define AUDIT_INTEGRITY_PCR 1804 /* PCR invalidation msgs */
	143	#define AUDIT_INTEGRITY_RULE 1805 /* policy rule */
	144
	145	#define AUDIT_KERNEL 2000 /* Asynchronous audit record. NOT A REQUEST. */
	146
	147	/* Rule flags */
	148	#define AUDIT_FILTER_USER 0x00 /* Apply rule to user-generated messages */
	149	#define AUDIT_FILTER_TASK 0x01 /* Apply rule at task creation (not syscall) */
	150	#define AUDIT_FILTER_ENTRY 0x02 /* Apply rule at syscall entry */
	151	#define AUDIT_FILTER_WATCH 0x03 /* Apply rule to file system watches */
	152	#define AUDIT_FILTER_EXIT 0x04 /* Apply rule at syscall exit */
	153	#define AUDIT_FILTER_TYPE 0x05 /* Apply rule at audit_log_start */
	154
	155	#define AUDIT_NR_FILTERS 6
	156
	157	#define AUDIT_FILTER_PREPEND 0x10 /* Prepend to front of list */
	158
	159	/* Rule actions */
	160	#define AUDIT_NEVER 0 /* Do not build context if rule matches */
	161	#define AUDIT_POSSIBLE 1 /* Build context if rule matches */
	162	#define AUDIT_ALWAYS 2 /* Generate audit record if rule matches */
	163
	164	/* Rule structure sizes -- if these change, different AUDIT_ADD and
	165	* AUDIT_LIST commands must be implemented. */
	166	#define AUDIT_MAX_FIELDS 64
	167	#define AUDIT_MAX_KEY_LEN 256
	168	#define AUDIT_BITMASK_SIZE 64
	169	#define AUDIT_WORD(nr) ((__u32)((nr)/32))
	170	#define AUDIT_BIT(nr) (1 << ((nr) - AUDIT_WORD(nr)*32))
	171
	172	#define AUDIT_SYSCALL_CLASSES 16
	173	#define AUDIT_CLASS_DIR_WRITE 0
	174	#define AUDIT_CLASS_DIR_WRITE_32 1
	175	#define AUDIT_CLASS_CHATTR 2
	176	#define AUDIT_CLASS_CHATTR_32 3
177	#define AUDIT_CLASS_READ 4
178	#define AUDIT_CLASS_READ_32 5
179	#define AUDIT_CLASS_WRITE 6
180	#define AUDIT_CLASS_WRITE_32 7
181	#define AUDIT_CLASS_SIGNAL 8
182	#define AUDIT_CLASS_SIGNAL_32 9
183
184	/* This bitmask is used to validate user input. It represents all bits that
185	* are currently used in an audit field constant understood by the kernel.
186	* If you are adding a new #define AUDIT_<whatever>, please ensure that
187	* AUDIT_UNUSED_BITS is updated if need be. */
188	#define AUDIT_UNUSED_BITS 0x07FFFC00
189
190	/* AUDIT_FIELD_COMPARE rule list */
191	#define AUDIT_COMPARE_UID_TO_OBJ_UID 1
192	#define AUDIT_COMPARE_GID_TO_OBJ_GID 2
193	#define AUDIT_COMPARE_EUID_TO_OBJ_UID 3
194	#define AUDIT_COMPARE_EGID_TO_OBJ_GID 4
195	#define AUDIT_COMPARE_AUID_TO_OBJ_UID 5
196	#define AUDIT_COMPARE_SUID_TO_OBJ_UID 6
197	#define AUDIT_COMPARE_SGID_TO_OBJ_GID 7
198	#define AUDIT_COMPARE_FSUID_TO_OBJ_UID 8
199	#define AUDIT_COMPARE_FSGID_TO_OBJ_GID 9
200
201	#define AUDIT_COMPARE_UID_TO_AUID 10
202	#define AUDIT_COMPARE_UID_TO_EUID 11
203	#define AUDIT_COMPARE_UID_TO_FSUID 12
204	#define AUDIT_COMPARE_UID_TO_SUID 13
205
206	#define AUDIT_COMPARE_AUID_TO_FSUID 14
207	#define AUDIT_COMPARE_AUID_TO_SUID 15
208	#define AUDIT_COMPARE_AUID_TO_EUID 16
209
210	#define AUDIT_COMPARE_EUID_TO_SUID 17
211	#define AUDIT_COMPARE_EUID_TO_FSUID 18
212
213	#define AUDIT_COMPARE_SUID_TO_FSUID 19
214
215	#define AUDIT_COMPARE_GID_TO_EGID 20
216	#define AUDIT_COMPARE_GID_TO_FSGID 21
217	#define AUDIT_COMPARE_GID_TO_SGID 22
218
219	#define AUDIT_COMPARE_EGID_TO_FSGID 23
220	#define AUDIT_COMPARE_EGID_TO_SGID 24
221	#define AUDIT_COMPARE_SGID_TO_FSGID 25
222
223	#define AUDIT_MAX_FIELD_COMPARE AUDIT_COMPARE_SGID_TO_FSGID
224
225	/* Rule fields */
226	/* These are useful when checking the
227	* task structure at task creation time
228	* (AUDIT_PER_TASK). */
229	#define AUDIT_PID 0
230	#define AUDIT_UID 1
231	#define AUDIT_EUID 2
232	#define AUDIT_SUID 3
233	#define AUDIT_FSUID 4
234	#define AUDIT_GID 5
235	#define AUDIT_EGID 6
236	#define AUDIT_SGID 7
237	#define AUDIT_FSGID 8
238	#define AUDIT_LOGINUID 9
239	#define AUDIT_PERS 10
240	#define AUDIT_ARCH 11
241	#define AUDIT_MSGTYPE 12
242	#define AUDIT_SUBJ_USER 13 /* security label user */
243	#define AUDIT_SUBJ_ROLE 14 /* security label role */
244	#define AUDIT_SUBJ_TYPE 15 /* security label type */
245	#define AUDIT_SUBJ_SEN 16 /* security label sensitivity label */
246	#define AUDIT_SUBJ_CLR 17 /* security label clearance label */
247	#define AUDIT_PPID 18
248	#define AUDIT_OBJ_USER 19
249	#define AUDIT_OBJ_ROLE 20
250	#define AUDIT_OBJ_TYPE 21
251	#define AUDIT_OBJ_LEV_LOW 22
252	#define AUDIT_OBJ_LEV_HIGH 23
780a7654	253	#define AUDIT_LOGINUID_SET 24
607ca46e DH	254
	255	/* These are ONLY useful when checking
	256	* at syscall exit time (AUDIT_AT_EXIT). */
	257	#define AUDIT_DEVMAJOR 100
	258	#define AUDIT_DEVMINOR 101
	259	#define AUDIT_INODE 102
	260	#define AUDIT_EXIT 103
	261	#define AUDIT_SUCCESS 104 /* exit >= 0; value ignored */
	262	#define AUDIT_WATCH 105
	263	#define AUDIT_PERM 106
	264	#define AUDIT_DIR 107
	265	#define AUDIT_FILETYPE 108
	266	#define AUDIT_OBJ_UID 109
	267	#define AUDIT_OBJ_GID 110
	268	#define AUDIT_FIELD_COMPARE 111
	269
	270	#define AUDIT_ARG0 200
	271	#define AUDIT_ARG1 (AUDIT_ARG0+1)
	272	#define AUDIT_ARG2 (AUDIT_ARG0+2)
	273	#define AUDIT_ARG3 (AUDIT_ARG0+3)
	274
	275	#define AUDIT_FILTERKEY 210
	276
	277	#define AUDIT_NEGATE 0x80000000
	278
	279	/* These are the supported operators.
	280	* 4 2 1 8
	281	* = > < ?
	282	* ----------
	283	* 0 0 0 0 00 nonsense
	284	* 0 0 0 1 08 & bit mask
	285	* 0 0 1 0 10 <
	286	* 0 1 0 0 20 >
	287	* 0 1 1 0 30 !=
	288	* 1 0 0 0 40 =
	289	* 1 0 0 1 48 &= bit test
	290	* 1 0 1 0 50 <=
	291	* 1 1 0 0 60 >=
	292	* 1 1 1 1 78 all operators
	293	*/
	294	#define AUDIT_BIT_MASK 0x08000000
	295	#define AUDIT_LESS_THAN 0x10000000
	296	#define AUDIT_GREATER_THAN 0x20000000
	297	#define AUDIT_NOT_EQUAL 0x30000000
	298	#define AUDIT_EQUAL 0x40000000
	299	#define AUDIT_BIT_TEST (AUDIT_BIT_MASK\|AUDIT_EQUAL)
	300	#define AUDIT_LESS_THAN_OR_EQUAL (AUDIT_LESS_THAN\|AUDIT_EQUAL)
	301	#define AUDIT_GREATER_THAN_OR_EQUAL (AUDIT_GREATER_THAN\|AUDIT_EQUAL)
	302	#define AUDIT_OPERATORS (AUDIT_EQUAL\|AUDIT_NOT_EQUAL\|AUDIT_BIT_MASK)
	303
	304	enum {
	305	Audit_equal,
	306	Audit_not_equal,
	307	Audit_bitmask,
	308	Audit_bittest,
	309	Audit_lt,
	310	Audit_gt,
	311	Audit_le,
	312	Audit_ge,
	313	Audit_bad
	314	};
	315
	316	/* Status symbols */
	317	/* Mask values */
318	#define AUDIT_STATUS_ENABLED 0x0001
319	#define AUDIT_STATUS_FAILURE 0x0002
320	#define AUDIT_STATUS_PID 0x0004
321	#define AUDIT_STATUS_RATE_LIMIT 0x0008
322	#define AUDIT_STATUS_BACKLOG_LIMIT 0x0010
51cc83f0	323	#define AUDIT_STATUS_BACKLOG_WAIT_TIME 0x0020
70249a9c EP	324
	325	#define AUDIT_VERSION_BACKLOG_LIMIT 1
	326	#define AUDIT_VERSION_BACKLOG_WAIT_TIME 2
	327	#define AUDIT_VERSION_LATEST AUDIT_VERSION_BACKLOG_WAIT_TIME
	328
607ca46e DH	329	/* Failure-to-log actions */
	330	#define AUDIT_FAIL_SILENT 0
	331	#define AUDIT_FAIL_PRINTK 1
	332	#define AUDIT_FAIL_PANIC 2
	333
	334	/* distinguish syscall tables */
	335	#define __AUDIT_ARCH_64BIT 0x80000000
	336	#define __AUDIT_ARCH_LE 0x40000000
	337	#define AUDIT_ARCH_ALPHA (EM_ALPHA\|__AUDIT_ARCH_64BIT\|__AUDIT_ARCH_LE)
	338	#define AUDIT_ARCH_ARM (EM_ARM\|__AUDIT_ARCH_LE)
	339	#define AUDIT_ARCH_ARMEB (EM_ARM)
	340	#define AUDIT_ARCH_CRIS (EM_CRIS\|__AUDIT_ARCH_LE)
	341	#define AUDIT_ARCH_FRV (EM_FRV)
607ca46e DH	342	#define AUDIT_ARCH_I386 (EM_386\|__AUDIT_ARCH_LE)
	343	#define AUDIT_ARCH_IA64 (EM_IA_64\|__AUDIT_ARCH_64BIT\|__AUDIT_ARCH_LE)
	344	#define AUDIT_ARCH_M32R (EM_M32R)
	345	#define AUDIT_ARCH_M68K (EM_68K)
	346	#define AUDIT_ARCH_MIPS (EM_MIPS)
	347	#define AUDIT_ARCH_MIPSEL (EM_MIPS\|__AUDIT_ARCH_LE)
	348	#define AUDIT_ARCH_MIPS64 (EM_MIPS\|__AUDIT_ARCH_64BIT)
	349	#define AUDIT_ARCH_MIPSEL64 (EM_MIPS\|__AUDIT_ARCH_64BIT\|__AUDIT_ARCH_LE)
	350	#define AUDIT_ARCH_OPENRISC (EM_OPENRISC)
	351	#define AUDIT_ARCH_PARISC (EM_PARISC)
	352	#define AUDIT_ARCH_PARISC64 (EM_PARISC\|__AUDIT_ARCH_64BIT)
	353	#define AUDIT_ARCH_PPC (EM_PPC)
	354	#define AUDIT_ARCH_PPC64 (EM_PPC64\|__AUDIT_ARCH_64BIT)
	355	#define AUDIT_ARCH_S390 (EM_S390)
	356	#define AUDIT_ARCH_S390X (EM_S390\|__AUDIT_ARCH_64BIT)
	357	#define AUDIT_ARCH_SH (EM_SH)
	358	#define AUDIT_ARCH_SHEL (EM_SH\|__AUDIT_ARCH_LE)
	359	#define AUDIT_ARCH_SH64 (EM_SH\|__AUDIT_ARCH_64BIT)
	360	#define AUDIT_ARCH_SHEL64 (EM_SH\|__AUDIT_ARCH_64BIT\|__AUDIT_ARCH_LE)
	361	#define AUDIT_ARCH_SPARC (EM_SPARC)
	362	#define AUDIT_ARCH_SPARC64 (EM_SPARCV9\|__AUDIT_ARCH_64BIT)
	363	#define AUDIT_ARCH_X86_64 (EM_X86_64\|__AUDIT_ARCH_64BIT\|__AUDIT_ARCH_LE)
	364
4b588411 AT	365	#ifdef CONFIG_COMPAT
	366	#define audit_is_compat(arch) (!((arch) & __AUDIT_ARCH_64BIT))
	367	#else
	368	#define audit_is_compat(arch) false
	369	#endif
	370
607ca46e DH	371	#define AUDIT_PERM_EXEC 1
	372	#define AUDIT_PERM_WRITE 2
	373	#define AUDIT_PERM_READ 4
	374	#define AUDIT_PERM_ATTR 8
	375
b50eba7e RGB	376	/* MAX_AUDIT_MESSAGE_LENGTH is set in audit:lib/libaudit.h as:
	377	* 8970 // PATH_MAX2+CONTEXT_SIZE2+11+256+1
	378	* max header+body+tailer: 44 + 29 + 32 + 262 + 7 + pad
	379	*/
	380	#define AUDIT_MESSAGE_TEXT_MAX 8560
	381
607ca46e DH	382	struct audit_status {
	383	__u32 mask; /* Bit mask for valid entries */
	384	__u32 enabled; /* 1 = enabled, 0 = disabled */
	385	__u32 failure; /* Failure-to-log action */
	386	__u32 pid; /* pid of auditd process */
	387	__u32 rate_limit; /* messages rate limit (per second) */
	388	__u32 backlog_limit; /* waiting messages limit */
	389	__u32 lost; /* messages lost */
	390	__u32 backlog; /* messages waiting in queue */
09f883a9	391	__u32 version; /* audit api version number */
51cc83f0	392	__u32 backlog_wait_time;/* message queue wait timeout */
607ca46e DH	393	};
607ca46e DH	394
b0fed402 EP	395	struct audit_features {
	396	#define AUDIT_FEATURE_VERSION 1
	397	__u32 vers;
	398	__u32 mask; /* which bits we are dealing with */
	399	__u32 features; /* which feature to enable/disable */
	400	__u32 lock; /* which features to lock */
	401	};
	402
d040e5af	403	#define AUDIT_FEATURE_ONLY_UNSET_LOGINUID 0
21b85c31 EP	404	#define AUDIT_FEATURE_LOGINUID_IMMUTABLE 1
21b85c31 EP	405	#define AUDIT_LAST_FEATURE AUDIT_FEATURE_LOGINUID_IMMUTABLE
b0fed402 EP	406
	407	#define audit_feature_valid(x) ((x) >= 0 && (x) <= AUDIT_LAST_FEATURE)
	408	#define AUDIT_FEATURE_TO_MASK(x) (1 << ((x) & 31)) /* mask for __u32 */
	409
607ca46e	410	struct audit_tty_status {
46e959ea RGB	411	__u32 enabled; /* 1 = enabled, 0 = disabled */
46e959ea RGB	412	__u32 log_passwd; /* 1 = enabled, 0 = disabled */
607ca46e DH	413	};
607ca46e DH	414
42f74461 RGB	415	#define AUDIT_UID_UNSET (unsigned int)-1
42f74461 RGB	416
607ca46e DH	417	/* audit_rule_data supports filter rules with both integer and string
	418	* fields. It corresponds with AUDIT_ADD_RULE, AUDIT_DEL_RULE and
	419	* AUDIT_LIST_RULES requests.
	420	*/
	421	struct audit_rule_data {
	422	__u32 flags; /* AUDIT_PER_{TASK,CALL}, AUDIT_PREPEND */
	423	__u32 action; /* AUDIT_NEVER, AUDIT_POSSIBLE, AUDIT_ALWAYS */
	424	__u32 field_count;
	425	__u32 mask[AUDIT_BITMASK_SIZE]; /* syscall(s) affected */
	426	__u32 fields[AUDIT_MAX_FIELDS];
	427	__u32 values[AUDIT_MAX_FIELDS];
	428	__u32 fieldflags[AUDIT_MAX_FIELDS];
	429	__u32 buflen; /* total length of string fields */
	430	char buf[0]; /* string fields buffer */
	431	};
	432
	433	/* audit_rule is supported to maintain backward compatibility with
	434	* userspace. It supports integer fields only and corresponds to
	435	* AUDIT_ADD, AUDIT_DEL and AUDIT_LIST requests.
	436	*/
	437	struct audit_rule { /* for AUDIT_LIST, AUDIT_ADD, and AUDIT_DEL */
	438	__u32 flags; /* AUDIT_PER_{TASK,CALL}, AUDIT_PREPEND */
	439	__u32 action; /* AUDIT_NEVER, AUDIT_POSSIBLE, AUDIT_ALWAYS */
	440	__u32 field_count;
	441	__u32 mask[AUDIT_BITMASK_SIZE];
	442	__u32 fields[AUDIT_MAX_FIELDS];
	443	__u32 values[AUDIT_MAX_FIELDS];
	444	};
	445
	446	#endif /* _UAPI_LINUX_AUDIT_H_ */