0e87efb2f4
1.0 alpha 9 import. See the OpenBSM import commit message for a detailed summary of changes. Obtained from: TrustedBSD Project
340 lines
8.5 KiB
C
340 lines
8.5 KiB
C
/*
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* Copyright (c) 2005 Apple Computer, Inc.
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* All rights reserved.
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*
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* @APPLE_BSD_LICENSE_HEADER_START@
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* @APPLE_BSD_LICENSE_HEADER_END@
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*
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* $P4: //depot/projects/trustedbsd/audit3/sys/bsm/audit.h#31 $
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* $FreeBSD$
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*/
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#ifndef _BSM_AUDIT_H
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#define _BSM_AUDIT_H
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#include <sys/param.h>
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#include <sys/cdefs.h>
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#include <sys/queue.h>
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#define AUDIT_RECORD_MAGIC 0x828a0f1b
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#define MAX_AUDIT_RECORDS 20
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#define MAXAUDITDATA (0x8000 - 1)
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#define MAX_AUDIT_RECORD_SIZE MAXAUDITDATA
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#define MIN_AUDIT_FILE_SIZE (512 * 1024)
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/*
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* Minimum noumber of free blocks on the filesystem containing the audit
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* log necessary to avoid a hard log rotation. DO NOT SET THIS VALUE TO 0
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* as the kernel does an unsigned compare, plus we want to leave a few blocks
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* free so userspace can terminate the log, etc.
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*/
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#define AUDIT_HARD_LIMIT_FREE_BLOCKS 4
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/*
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* Triggers for the audit daemon.
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*/
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#define AUDIT_TRIGGER_MIN 1
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#define AUDIT_TRIGGER_LOW_SPACE 1
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#define AUDIT_TRIGGER_OPEN_NEW 2
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#define AUDIT_TRIGGER_READ_FILE 3
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#define AUDIT_TRIGGER_CLOSE_AND_DIE 4
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#define AUDIT_TRIGGER_NO_SPACE 5
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#define AUDIT_TRIGGER_MAX 5
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/*
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* Special file that will be read for trigger events from the kernel
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* (FreeBSD).
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*/
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#define AUDIT_TRIGGER_FILE "/dev/audit"
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/*
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* The special device filename.
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*/
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#define AUDITDEV_FILENAME "audit"
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/*
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* Pre-defined audit IDs
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*/
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#define AU_DEFAUDITID -1
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/*
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* Define the masks for the classes of audit events.
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*/
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#define AU_NULL 0x00000000
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#define AU_FREAD 0x00000001
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#define AU_FWRITE 0x00000002
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#define AU_FACCESS 0x00000004
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#define AU_FMODIFY 0x00000008
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#define AU_FCREATE 0x00000010
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#define AU_FDELETE 0x00000020
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#define AU_CLOSE 0x00000040
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#define AU_PROCESS 0x00000080
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#define AU_NET 0x00000100
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#define AU_IPC 0x00000200
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#define AU_NONAT 0x00000400
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#define AU_ADMIN 0x00000800
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#define AU_LOGIN 0x00001000
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#define AU_TFM 0x00002000
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#define AU_APPL 0x00004000
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#define AU_SETL 0x00008000
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#define AU_IFLOAT 0x00010000
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#define AU_PRIV 0x00020000
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#define AU_MAC_RW 0x00040000
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#define AU_XCONN 0x00080000
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#define AU_XCREATE 0x00100000
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#define AU_XDELETE 0x00200000
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#define AU_XIFLOAT 0x00400000
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#define AU_XPRIVS 0x00800000
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#define AU_XPRIVF 0x01000000
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#define AU_XMOVE 0x02000000
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#define AU_XDACF 0x04000000
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#define AU_XMACF 0x08000000
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#define AU_XSECATTR 0x10000000
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#define AU_IOCTL 0x20000000
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#define AU_EXEC 0x40000000
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#define AU_OTHER 0x80000000
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#define AU_ALL 0xffffffff
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/*
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* IPC types.
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*/
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#define AT_IPC_MSG ((u_char)1) /* Message IPC id. */
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#define AT_IPC_SEM ((u_char)2) /* Semaphore IPC id. */
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#define AT_IPC_SHM ((u_char)3) /* Shared mem IPC id. */
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/*
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* Audit conditions.
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*/
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#define AUC_UNSET 0
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#define AUC_AUDITING 1
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#define AUC_NOAUDIT 2
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#define AUC_DISABLED -1
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/*
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* auditon(2) commands.
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*/
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#define A_GETPOLICY 2
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#define A_SETPOLICY 3
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#define A_GETKMASK 4
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#define A_SETKMASK 5
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#define A_GETQCTRL 6
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#define A_SETQCTRL 7
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#define A_GETCWD 8
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#define A_GETCAR 9
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#define A_GETSTAT 12
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#define A_SETSTAT 13
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#define A_SETUMASK 14
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#define A_SETSMASK 15
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#define A_GETCOND 20
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#define A_SETCOND 21
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#define A_GETCLASS 22
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#define A_SETCLASS 23
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#define A_GETPINFO 24
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#define A_SETPMASK 25
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#define A_SETFSIZE 26
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#define A_GETFSIZE 27
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#define A_GETPINFO_ADDR 28
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#define A_GETKAUDIT 29
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#define A_SETKAUDIT 30
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#define A_SENDTRIGGER 31
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/*
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* Audit policy controls.
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*/
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#define AUDIT_CNT 0x0001
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#define AUDIT_AHLT 0x0002
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#define AUDIT_ARGV 0x0004
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#define AUDIT_ARGE 0x0008
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#define AUDIT_SEQ 0x0010
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#define AUDIT_WINDATA 0x0020
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#define AUDIT_USER 0x0040
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#define AUDIT_GROUP 0x0080
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#define AUDIT_TRAIL 0x0100
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#define AUDIT_PATH 0x0200
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#define AUDIT_SCNT 0x0400
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#define AUDIT_PUBLIC 0x0800
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#define AUDIT_ZONENAME 0x1000
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#define AUDIT_PERZONE 0x2000
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/*
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* Audit queue control parameters.
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*/
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#define AQ_HIWATER 100
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#define AQ_MAXHIGH 10000
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#define AQ_LOWATER 10
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#define AQ_BUFSZ 1024
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#define AQ_MAXBUFSZ 1048576
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/*
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* Default minimum percentage free space on file system.
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*/
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#define AU_FS_MINFREE 20
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/*
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* Type definitions used indicating the length of variable length addresses
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* in tokens containing addresses, such as header fields.
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*/
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#define AU_IPv4 4
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#define AU_IPv6 16
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__BEGIN_DECLS
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typedef uid_t au_id_t;
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typedef pid_t au_asid_t;
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typedef u_int16_t au_event_t;
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typedef u_int16_t au_emod_t;
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typedef u_int32_t au_class_t;
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struct au_tid {
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dev_t port;
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u_int32_t machine;
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};
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typedef struct au_tid au_tid_t;
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struct au_tid_addr {
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dev_t at_port;
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u_int32_t at_type;
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u_int32_t at_addr[4];
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};
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typedef struct au_tid_addr au_tid_addr_t;
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struct au_mask {
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unsigned int am_success; /* Success bits. */
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unsigned int am_failure; /* Failure bits. */
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};
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typedef struct au_mask au_mask_t;
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struct auditinfo {
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au_id_t ai_auid; /* Audit user ID. */
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au_mask_t ai_mask; /* Audit masks. */
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au_tid_t ai_termid; /* Terminal ID. */
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au_asid_t ai_asid; /* Audit session ID. */
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};
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typedef struct auditinfo auditinfo_t;
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struct auditinfo_addr {
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au_id_t ai_auid; /* Audit user ID. */
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au_mask_t ai_mask; /* Audit masks. */
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au_tid_addr_t ai_termid; /* Terminal ID. */
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au_asid_t ai_asid; /* Audit session ID. */
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};
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typedef struct auditinfo_addr auditinfo_addr_t;
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struct auditpinfo {
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pid_t ap_pid; /* ID of target process. */
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au_id_t ap_auid; /* Audit user ID. */
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au_mask_t ap_mask; /* Audit masks. */
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au_tid_t ap_termid; /* Terminal ID. */
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au_asid_t ap_asid; /* Audit session ID. */
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};
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typedef struct auditpinfo auditpinfo_t;
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struct auditpinfo_addr {
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pid_t ap_pid; /* ID of target process. */
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au_id_t ap_auid; /* Audit user ID. */
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au_mask_t ap_mask; /* Audit masks. */
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au_tid_addr_t ap_termid; /* Terminal ID. */
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au_asid_t ap_asid; /* Audit session ID. */
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};
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typedef struct auditpinfo_addr auditpinfo_addr_t;
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/*
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* Contents of token_t are opaque outside of libbsm.
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*/
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typedef struct au_token token_t;
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/*
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* Kernel audit queue control parameters.
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*/
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struct au_qctrl {
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size_t aq_hiwater;
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size_t aq_lowater;
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size_t aq_bufsz;
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clock_t aq_delay;
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int aq_minfree; /* Minimum filesystem percent free space. */
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};
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typedef struct au_qctrl au_qctrl_t;
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/*
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* Structure for the audit statistics.
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*/
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struct audit_stat {
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unsigned int as_version;
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unsigned int as_numevent;
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int as_generated;
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int as_nonattrib;
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int as_kernel;
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int as_audit;
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int as_auditctl;
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int as_enqueue;
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int as_written;
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int as_wblocked;
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int as_rblocked;
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int as_dropped;
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int as_totalsize;
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unsigned int as_memused;
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};
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typedef struct audit_stat au_stat_t;
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/*
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* Structure for the audit file statistics.
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*/
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struct audit_fstat {
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u_quad_t af_filesz;
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u_quad_t af_currsz;
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};
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typedef struct audit_fstat au_fstat_t;
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/*
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* Audit to event class mapping.
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*/
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struct au_evclass_map {
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au_event_t ec_number;
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au_class_t ec_class;
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};
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typedef struct au_evclass_map au_evclass_map_t;
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/*
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* Audit system calls.
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*/
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#if !defined(_KERNEL) && !defined(KERNEL)
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int audit(const void *, int);
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int auditon(int, void *, int);
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int auditctl(const char *);
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int getauid(au_id_t *);
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int setauid(const au_id_t *);
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int getaudit(struct auditinfo *);
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int setaudit(const struct auditinfo *);
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int getaudit_addr(struct auditinfo_addr *, int);
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int setaudit_addr(const struct auditinfo_addr *, int);
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#endif /* defined(_KERNEL) || defined(KERNEL) */
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__END_DECLS
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#endif /* !_BSM_AUDIT_H */
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