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macOS libc headers: add sys/sysctl.h
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libcxx depends on it
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@andrewrk
andrewrk committed Nov 9, 2020
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378 changes: 378 additions & 0 deletions lib/libc/include/x86_64-macos-gnu/bsm/audit.h
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/*-
* 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 $
*/

#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 ((unsigned char)1) /* Message IPC id. */
#define AT_IPC_SEM ((unsigned char)2) /* Semaphore IPC id. */
#define AT_IPC_SHM ((unsigned 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
#define A_GETSFLAGS 39
#define A_SETSFLAGS 40
#define A_GETCTLMODE 41
#define A_SETCTLMODE 42
#define A_GETEXPAFTER 43
#define A_SETEXPAFTER 44

/*
* 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

/*
* Reserved audit class mask indicating which classes are unable to have
* events added or removed by unentitled processes.
*/
#define AU_CLASS_MASK_RESERVED 0x10000000

/*
* Audit control modes
*/
#define AUDIT_CTLMODE_NORMAL ((unsigned char)1)
#define AUDIT_CTLMODE_EXTERNAL ((unsigned char)2)

/*
* Audit file expire_after op modes
*/
#define AUDIT_EXPIRE_OP_AND ((unsigned char)0)
#define AUDIT_EXPIRE_OP_OR ((unsigned char)1)

__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)));
typedef unsigned char au_ctlmode_t;

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;

struct au_expire_after {
time_t age; /* Age after which trail files should be expired */
size_t size; /* Aggregate trail size when files should be expired */
unsigned char op_type; /* Operator used with the above values to determine when files should be expired */
};
typedef struct au_expire_after au_expire_after_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_addr(struct auditinfo_addr *, int);
int setaudit_addr(const struct auditinfo_addr *, int);

#if defined(__APPLE__)
#include <Availability.h>

/*
* getaudit()/setaudit() are deprecated and have been replaced with
* wrappers to the getaudit_addr()/setaudit_addr() syscalls above.
*/

int getaudit(struct auditinfo *)
__OSX_AVAILABLE_BUT_DEPRECATED(__MAC_10_0, __MAC_10_8,
__IPHONE_2_0, __IPHONE_6_0);
int setaudit(const struct auditinfo *)
__OSX_AVAILABLE_BUT_DEPRECATED(__MAC_10_0, __MAC_10_8,
__IPHONE_2_0, __IPHONE_6_0);
#else

int getaudit(struct auditinfo *);
int setaudit(const struct auditinfo *);
#endif /* !__APPLE__ */

#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);
int audit_session_port(au_asid_t asid, mach_port_name_t *portname);
#endif /* __APPLE_API_PRIVATE */

#endif /* defined(_KERNEL) || defined(KERNEL) */

__END_DECLS

#endif /* !_BSM_AUDIT_H */
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