mirror of
https://github.com/freebsd/freebsd-src.git
synced 2024-11-28 13:22:48 +00:00
597df30e62
contrib/openbsm and a subset also imported into sys/security/audit. This patch release addresses several minor issues: - Fixes to AUT_SOCKUNIX token parsing. - IPv6 support for au_to_me(3). - Improved robustness in the parsing of audit_control, especially long flags/naflags strings and whitespace in all fields. - Add missing conversion of a number of FreeBSD/Mac OS X errnos to/from BSM error number space. MFC after: 3 weeks Obtained from: TrustedBSD Project Sponsored by: Apple, Inc. Approved by: re (kib)
329 lines
8.9 KiB
C
329 lines
8.9 KiB
C
/*-
|
|
* Copyright (c) 2005-2009 Apple Inc.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of Apple Inc. ("Apple") nor the names of
|
|
* its contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
|
|
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
|
|
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* P4: //depot/projects/trustedbsd/openbsm/sys/bsm/audit.h#10
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef _BSM_AUDIT_H
|
|
#define _BSM_AUDIT_H
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/types.h>
|
|
|
|
#define AUDIT_RECORD_MAGIC 0x828a0f1b
|
|
#define MAX_AUDIT_RECORDS 20
|
|
#define MAXAUDITDATA (0x8000 - 1)
|
|
#define MAX_AUDIT_RECORD_SIZE MAXAUDITDATA
|
|
#define MIN_AUDIT_FILE_SIZE (512 * 1024)
|
|
|
|
/*
|
|
* Minimum noumber of free blocks on the filesystem containing the audit
|
|
* log necessary to avoid a hard log rotation. DO NOT SET THIS VALUE TO 0
|
|
* as the kernel does an unsigned compare, plus we want to leave a few blocks
|
|
* free so userspace can terminate the log, etc.
|
|
*/
|
|
#define AUDIT_HARD_LIMIT_FREE_BLOCKS 4
|
|
|
|
/*
|
|
* Triggers for the audit daemon.
|
|
*/
|
|
#define AUDIT_TRIGGER_MIN 1
|
|
#define AUDIT_TRIGGER_LOW_SPACE 1 /* Below low watermark. */
|
|
#define AUDIT_TRIGGER_ROTATE_KERNEL 2 /* Kernel requests rotate. */
|
|
#define AUDIT_TRIGGER_READ_FILE 3 /* Re-read config file. */
|
|
#define AUDIT_TRIGGER_CLOSE_AND_DIE 4 /* Terminate audit. */
|
|
#define AUDIT_TRIGGER_NO_SPACE 5 /* Below min free space. */
|
|
#define AUDIT_TRIGGER_ROTATE_USER 6 /* User requests rotate. */
|
|
#define AUDIT_TRIGGER_INITIALIZE 7 /* User initialize of auditd. */
|
|
#define AUDIT_TRIGGER_EXPIRE_TRAILS 8 /* User expiration of trails. */
|
|
#define AUDIT_TRIGGER_MAX 8
|
|
|
|
/*
|
|
* The special device filename (FreeBSD).
|
|
*/
|
|
#define AUDITDEV_FILENAME "audit"
|
|
#define AUDIT_TRIGGER_FILE ("/dev/" AUDITDEV_FILENAME)
|
|
|
|
/*
|
|
* Pre-defined audit IDs
|
|
*/
|
|
#define AU_DEFAUDITID (uid_t)(-1)
|
|
#define AU_DEFAUDITSID 0
|
|
#define AU_ASSIGN_ASID -1
|
|
|
|
/*
|
|
* IPC types.
|
|
*/
|
|
#define AT_IPC_MSG ((u_char)1) /* Message IPC id. */
|
|
#define AT_IPC_SEM ((u_char)2) /* Semaphore IPC id. */
|
|
#define AT_IPC_SHM ((u_char)3) /* Shared mem IPC id. */
|
|
|
|
/*
|
|
* Audit conditions.
|
|
*/
|
|
#define AUC_UNSET 0
|
|
#define AUC_AUDITING 1
|
|
#define AUC_NOAUDIT 2
|
|
#define AUC_DISABLED -1
|
|
|
|
/*
|
|
* auditon(2) commands.
|
|
*/
|
|
#define A_OLDGETPOLICY 2
|
|
#define A_OLDSETPOLICY 3
|
|
#define A_GETKMASK 4
|
|
#define A_SETKMASK 5
|
|
#define A_OLDGETQCTRL 6
|
|
#define A_OLDSETQCTRL 7
|
|
#define A_GETCWD 8
|
|
#define A_GETCAR 9
|
|
#define A_GETSTAT 12
|
|
#define A_SETSTAT 13
|
|
#define A_SETUMASK 14
|
|
#define A_SETSMASK 15
|
|
#define A_OLDGETCOND 20
|
|
#define A_OLDSETCOND 21
|
|
#define A_GETCLASS 22
|
|
#define A_SETCLASS 23
|
|
#define A_GETPINFO 24
|
|
#define A_SETPMASK 25
|
|
#define A_SETFSIZE 26
|
|
#define A_GETFSIZE 27
|
|
#define A_GETPINFO_ADDR 28
|
|
#define A_GETKAUDIT 29
|
|
#define A_SETKAUDIT 30
|
|
#define A_SENDTRIGGER 31
|
|
#define A_GETSINFO_ADDR 32
|
|
#define A_GETPOLICY 33
|
|
#define A_SETPOLICY 34
|
|
#define A_GETQCTRL 35
|
|
#define A_SETQCTRL 36
|
|
#define A_GETCOND 37
|
|
#define A_SETCOND 38
|
|
|
|
/*
|
|
* Audit policy controls.
|
|
*/
|
|
#define AUDIT_CNT 0x0001
|
|
#define AUDIT_AHLT 0x0002
|
|
#define AUDIT_ARGV 0x0004
|
|
#define AUDIT_ARGE 0x0008
|
|
#define AUDIT_SEQ 0x0010
|
|
#define AUDIT_WINDATA 0x0020
|
|
#define AUDIT_USER 0x0040
|
|
#define AUDIT_GROUP 0x0080
|
|
#define AUDIT_TRAIL 0x0100
|
|
#define AUDIT_PATH 0x0200
|
|
#define AUDIT_SCNT 0x0400
|
|
#define AUDIT_PUBLIC 0x0800
|
|
#define AUDIT_ZONENAME 0x1000
|
|
#define AUDIT_PERZONE 0x2000
|
|
|
|
/*
|
|
* Default audit queue control parameters.
|
|
*/
|
|
#define AQ_HIWATER 100
|
|
#define AQ_MAXHIGH 10000
|
|
#define AQ_LOWATER 10
|
|
#define AQ_BUFSZ MAXAUDITDATA
|
|
#define AQ_MAXBUFSZ 1048576
|
|
|
|
/*
|
|
* Default minimum percentage free space on file system.
|
|
*/
|
|
#define AU_FS_MINFREE 20
|
|
|
|
/*
|
|
* Type definitions used indicating the length of variable length addresses
|
|
* in tokens containing addresses, such as header fields.
|
|
*/
|
|
#define AU_IPv4 4
|
|
#define AU_IPv6 16
|
|
|
|
__BEGIN_DECLS
|
|
|
|
typedef uid_t au_id_t;
|
|
typedef pid_t au_asid_t;
|
|
typedef u_int16_t au_event_t;
|
|
typedef u_int16_t au_emod_t;
|
|
typedef u_int32_t au_class_t;
|
|
typedef u_int64_t au_asflgs_t __attribute__ ((aligned (8)));
|
|
|
|
struct au_tid {
|
|
dev_t port;
|
|
u_int32_t machine;
|
|
};
|
|
typedef struct au_tid au_tid_t;
|
|
|
|
struct au_tid_addr {
|
|
dev_t at_port;
|
|
u_int32_t at_type;
|
|
u_int32_t at_addr[4];
|
|
};
|
|
typedef struct au_tid_addr au_tid_addr_t;
|
|
|
|
struct au_mask {
|
|
unsigned int am_success; /* Success bits. */
|
|
unsigned int am_failure; /* Failure bits. */
|
|
};
|
|
typedef struct au_mask au_mask_t;
|
|
|
|
struct auditinfo {
|
|
au_id_t ai_auid; /* Audit user ID. */
|
|
au_mask_t ai_mask; /* Audit masks. */
|
|
au_tid_t ai_termid; /* Terminal ID. */
|
|
au_asid_t ai_asid; /* Audit session ID. */
|
|
};
|
|
typedef struct auditinfo auditinfo_t;
|
|
|
|
struct auditinfo_addr {
|
|
au_id_t ai_auid; /* Audit user ID. */
|
|
au_mask_t ai_mask; /* Audit masks. */
|
|
au_tid_addr_t ai_termid; /* Terminal ID. */
|
|
au_asid_t ai_asid; /* Audit session ID. */
|
|
au_asflgs_t ai_flags; /* Audit session flags. */
|
|
};
|
|
typedef struct auditinfo_addr auditinfo_addr_t;
|
|
|
|
struct auditpinfo {
|
|
pid_t ap_pid; /* ID of target process. */
|
|
au_id_t ap_auid; /* Audit user ID. */
|
|
au_mask_t ap_mask; /* Audit masks. */
|
|
au_tid_t ap_termid; /* Terminal ID. */
|
|
au_asid_t ap_asid; /* Audit session ID. */
|
|
};
|
|
typedef struct auditpinfo auditpinfo_t;
|
|
|
|
struct auditpinfo_addr {
|
|
pid_t ap_pid; /* ID of target process. */
|
|
au_id_t ap_auid; /* Audit user ID. */
|
|
au_mask_t ap_mask; /* Audit masks. */
|
|
au_tid_addr_t ap_termid; /* Terminal ID. */
|
|
au_asid_t ap_asid; /* Audit session ID. */
|
|
au_asflgs_t ap_flags; /* Audit session flags. */
|
|
};
|
|
typedef struct auditpinfo_addr auditpinfo_addr_t;
|
|
|
|
struct au_session {
|
|
auditinfo_addr_t *as_aia_p; /* Ptr to full audit info. */
|
|
au_mask_t as_mask; /* Process Audit Masks. */
|
|
};
|
|
typedef struct au_session au_session_t;
|
|
|
|
/*
|
|
* Contents of token_t are opaque outside of libbsm.
|
|
*/
|
|
typedef struct au_token token_t;
|
|
|
|
/*
|
|
* Kernel audit queue control parameters:
|
|
* Default: Maximum:
|
|
* aq_hiwater: AQ_HIWATER (100) AQ_MAXHIGH (10000)
|
|
* aq_lowater: AQ_LOWATER (10) <aq_hiwater
|
|
* aq_bufsz: AQ_BUFSZ (32767) AQ_MAXBUFSZ (1048576)
|
|
* aq_delay: 20 20000 (not used)
|
|
*/
|
|
struct au_qctrl {
|
|
int aq_hiwater; /* Max # of audit recs in queue when */
|
|
/* threads with new ARs get blocked. */
|
|
|
|
int aq_lowater; /* # of audit recs in queue when */
|
|
/* blocked threads get unblocked. */
|
|
|
|
int aq_bufsz; /* Max size of audit record for audit(2). */
|
|
int aq_delay; /* Queue delay (not used). */
|
|
int aq_minfree; /* Minimum filesystem percent free space. */
|
|
};
|
|
typedef struct au_qctrl au_qctrl_t;
|
|
|
|
/*
|
|
* Structure for the audit statistics.
|
|
*/
|
|
struct audit_stat {
|
|
unsigned int as_version;
|
|
unsigned int as_numevent;
|
|
int as_generated;
|
|
int as_nonattrib;
|
|
int as_kernel;
|
|
int as_audit;
|
|
int as_auditctl;
|
|
int as_enqueue;
|
|
int as_written;
|
|
int as_wblocked;
|
|
int as_rblocked;
|
|
int as_dropped;
|
|
int as_totalsize;
|
|
unsigned int as_memused;
|
|
};
|
|
typedef struct audit_stat au_stat_t;
|
|
|
|
/*
|
|
* Structure for the audit file statistics.
|
|
*/
|
|
struct audit_fstat {
|
|
u_int64_t af_filesz;
|
|
u_int64_t af_currsz;
|
|
};
|
|
typedef struct audit_fstat au_fstat_t;
|
|
|
|
/*
|
|
* Audit to event class mapping.
|
|
*/
|
|
struct au_evclass_map {
|
|
au_event_t ec_number;
|
|
au_class_t ec_class;
|
|
};
|
|
typedef struct au_evclass_map au_evclass_map_t;
|
|
|
|
/*
|
|
* Audit system calls.
|
|
*/
|
|
#if !defined(_KERNEL) && !defined(KERNEL)
|
|
int audit(const void *, int);
|
|
int auditon(int, void *, int);
|
|
int auditctl(const char *);
|
|
int getauid(au_id_t *);
|
|
int setauid(const au_id_t *);
|
|
int getaudit(struct auditinfo *);
|
|
int setaudit(const struct auditinfo *);
|
|
int getaudit_addr(struct auditinfo_addr *, int);
|
|
int setaudit_addr(const struct auditinfo_addr *, int);
|
|
|
|
#ifdef __APPLE_API_PRIVATE
|
|
#include <mach/port.h>
|
|
mach_port_name_t audit_session_self(void);
|
|
au_asid_t audit_session_join(mach_port_name_t port);
|
|
#endif /* __APPLE_API_PRIVATE */
|
|
|
|
#endif /* defined(_KERNEL) || defined(KERNEL) */
|
|
|
|
__END_DECLS
|
|
|
|
#endif /* !_BSM_AUDIT_H */
|