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/*
 * Copyright (c) 2005 Apple Computer, Inc.
 * All rights reserved.
 *
 * @APPLE_BSD_LICENSE_HEADER_START@
 *
 * 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 Computer, 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.
 *
 * @APPLE_BSD_LICENSE_HEADER_END@
 *
 * $P4: //depot/projects/trustedbsd/openbsm/bsm/audit_record.h#19 $
 */

#ifndef _BSM_AUDIT_RECORD_H_
#define _BSM_AUDIT_RECORD_H_

#include <sys/time.h>			/* struct timeval */

/*
 * Token type identifiers.
 */
#define	AUT_INVALID		0x00
#define	AUT_OTHER_FILE32	0x11
#define	AUT_OHEADER		0x12
#define	AUT_TRAILER		0x13
#define	AUT_HEADER32		0x14
#define	AUT_HEADER32_EX		0x15
#define	AUT_DATA		0x21
#define	AUT_IPC			0x22
#define	AUT_PATH		0x23
#define	AUT_SUBJECT32		0x24
#define	AUT_SERVER32		0x25
#define	AUT_PROCESS32		0x26
#define	AUT_RETURN32		0x27
#define	AUT_TEXT		0x28
#define	AUT_OPAQUE		0x29
#define	AUT_IN_ADDR		0x2a
#define	AUT_IP			0x2b
#define	AUT_IPORT		0x2c
#define	AUT_ARG32		0x2d
#define	AUT_SOCKET		0x2e
#define	AUT_SEQ			0x2f
#define	AUT_ACL			0x30
#define	AUT_ATTR		0x31
#define	AUT_IPC_PERM		0x32
#define	AUT_LABEL		0x33
#define	AUT_GROUPS		0x34
#define	AUT_ILABEL		0x35
#define	AUT_SLABEL		0x36
#define	AUT_CLEAR		0x37
#define	AUT_PRIV		0x38
#define	AUT_UPRIV		0x39
#define	AUT_LIAISON		0x3a
#define	AUT_NEWGROUPS		0x3b
#define	AUT_EXEC_ARGS		0x3c
#define	AUT_EXEC_ENV		0x3d
#define	AUT_ATTR32		0x3e
/* #define	AUT_????	0x3f */
#define	AUT_XATOM		0x40
#define	AUT_XOBJ		0x41
#define	AUT_XPROTO		0x42
#define	AUT_XSELECT		0x43
/* XXXRW: Additional X11 tokens not defined? */
#define	AUT_CMD			0x51
#define	AUT_EXIT		0x52
/* XXXRW: OpenBSM AUT_HOST 0x70? */
#define	AUT_ARG64		0x71
#define	AUT_RETURN64		0x72
#define	AUT_ATTR64		0x73
#define	AUT_HEADER64		0x74
#define	AUT_SUBJECT64		0x75
#define	AUT_SERVER64		0x76
#define	AUT_PROCESS64		0x77
#define	AUT_OTHER_FILE64	0x78
#define	AUT_HEADER64_EX		0x79
#define	AUT_SUBJECT32_EX	0x7a
#define	AUT_PROCESS32_EX	0x7b
#define	AUT_SUBJECT64_EX	0x7c
#define	AUT_PROCESS64_EX	0x7d
#define	AUT_IN_ADDR_EX		0x7e
#define	AUT_SOCKET_EX		0x7f

/*
 * Pre-64-bit BSM, 32-bit tokens weren't explicitly named as '32'.  We have
 * compatibility defines.
 */
#define	AUT_HEADER		AUT_HEADER32
#define	AUT_ARG			AUT_ARG32
#define	AUT_RETURN		AUT_RETURN32
#define	AUT_SUBJECT		AUT_SUBJECT32
#define	AUT_SERVER		AUT_SERVER32
#define	AUT_PROCESS		AUT_PROCESS32
#define	AUT_OTHER_FILE		AUT_OTHER_FILE32

/*
 * Darwin's bsm distribution uses the following non-BSM token name defines.
 * We provide them for a single OpenBSM release for compatibility reasons.
 */
#define	AU_FILE_TOKEN		AUT_OTHER_FILE32
#define	AU_TRAILER_TOKEN	AUT_TRAILER
#define	AU_HEADER_32_TOKEN	AUT_HEADER32
#define	AU_DATA_TOKEN		AUT_DATA
#define	AU_ARB_TOKEN		AUT_DATA
#define	AU_IPC_TOKEN		AUT_IPC
#define	AU_PATH_TOKEN		AUT_PATH
#define	AU_SUBJECT_32_TOKEN	AUT_SUBJECT32
#define	AU_PROCESS_32_TOKEN	AUT_PROCESS32
#define	AU_RETURN_32_TOKEN	AUT_RETURN32
#define	AU_TEXT_TOKEN		AUT_TEXT
#define	AU_OPAQUE_TOKEN		AUT_OPAQUE
#define	AU_IN_ADDR_TOKEN	AUT_IN_ADDR
#define	AU_IP_TOKEN		AUT_IP
#define	AU_IPORT_TOKEN		AUT_IPORT
#define	AU_ARG32_TOKEN		AUT_ARG32
#define	AU_SOCK_TOKEN		AUT_SOCKET
#define	AU_SEQ_TOKEN		AUT_SEQ
#define	AU_ATTR_TOKEN		AUT_ATTR
#define	AU_IPCPERM_TOKEN	AUT_IPC_PERM
#define	AU_NEWGROUPS_TOKEN	AUT_NEWGROUPS
#define	AU_EXEC_ARG_TOKEN	AUT_EXEC_ARGS
#define	AU_EXEC_ENV_TOKEN	AUT_EXEC_ENV
#define	AU_ATTR32_TOKEN		AUT_ATTR32
#define	AU_CMD_TOKEN		AUT_CMD
#define	AU_EXIT_TOKEN		AUT_EXIT
#define	AU_ARG64_TOKEN		AUT_ARG64
#define	AU_RETURN_64_TOKEN	AUT_RETURN64
#define	AU_ATTR64_TOKEN		AUT_ATTR64
#define	AU_HEADER_64_TOKEN	AUT_HEADER64
#define	AU_SUBJECT_64_TOKEN	AUT_SUBJECT64
#define	AU_PROCESS_64_TOKEN	AUT_PROCESS64
#define	AU_HEADER_64_EX_TOKEN	AUT_HEADER64_EX
#define	AU_SUBJECT_32_EX_TOKEN	AUT_SUBJECT32_EX
#define	AU_PROCESS_32_EX_TOKEN	AUT_PROCESS32_EX
#define	AU_SUBJECT_64_EX_TOKEN	AUT_SUBJECT64_EX
#define	AU_PROCESS_64_EX_TOKEN	AUT_PROCESS64_EX
#define	AU_IN_ADDR_EX_TOKEN	AUT_IN_ADDR_EX
#define	AU_SOCK_32_EX_TOKEN	AUT_SOCKET_EX

/*
 * The values for the following token ids are not defined by BSM.
 *
 * XXXRW: Not sure how to handle these in OpenBSM yet, but I'll give them
 * names more consistent with Sun's BSM.  These originally came from Apple's
 * BSM.
 */
#define	AUT_SOCKINET32		0x80		/* XXX */
#define	AUT_SOCKINET128		0x81		/* XXX */
#define	AUT_SOCKUNIX		0x82		/* XXX */
#define	AU_SOCK_INET_32_TOKEN	AUT_SOCKINET32
#define	AU_SOCK_INET_128_TOKEN	AUT_SOCKINET128
#define	AU_SOCK_UNIX_TOKEN	AUT_SOCKUNIX

/* print values for the arbitrary token */
#define AUP_BINARY      0
#define AUP_OCTAL       1
#define AUP_DECIMAL     2
#define AUP_HEX         3
#define AUP_STRING      4

/* data-types for the arbitrary token */
#define AUR_BYTE        0
#define AUR_CHAR        AUR_BYTE
#define AUR_SHORT       1
#define AUR_INT32       2
#define AUR_INT         AUR_INT
#define AUR_INT64       3

/* ... and their sizes */
#define AUR_BYTE_SIZE       sizeof(u_char)
#define AUR_CHAR_SIZE       AUR_BYTE_SIZE
#define AUR_SHORT_SIZE      sizeof(uint16_t)
#define AUR_INT32_SIZE      sizeof(uint32_t)
#define AUR_INT_SIZE        AUR_INT32_SIZE
#define AUR_INT64_SIZE      sizeof(uint64_t)

/* Modifiers for the header token */
#define PAD_NOTATTR  0x4000   /* nonattributable event */
#define PAD_FAILURE  0x8000   /* fail audit event */


#define BSM_MAX_GROUPS      16
#define HEADER_VERSION      1

/*
 * BSM define is AUT_TRAILER_MAGIC; Apple BSM define is TRAILER_PAD_MAGIC; we
 * split the difference, will remove the Apple define for the next release.
 */
#define	AUT_TRAILER_MAGIC	0xb105
#define	TRAILER_PAD_MAGIC	AUT_TRAILER_MAGIC

/* BSM library calls */

__BEGIN_DECLS

struct in_addr;
struct in6_addr;
struct ip;
struct ipc_perm;
struct kevent;
struct sockaddr_in;
struct sockaddr_in6;
struct sockaddr_un;
#if defined(_KERNEL) || defined(KERNEL)
struct vnode_au_info;
#endif

int	 au_open(void);
int	 au_write(int d, token_t *m);
int	 au_close(int d, int keep, short event);
int	 au_close_buffer(int d, short event, u_char *buffer, size_t *buflen);
int	 au_close_token(token_t *tok, u_char *buffer, size_t *buflen);

token_t	*au_to_file(char *file, struct timeval tm);

token_t	*au_to_header32_tm(int rec_size, au_event_t e_type, au_emod_t e_mod,
	    struct timeval tm);
#if !defined(KERNEL) && !defined(_KERNEL)
token_t	*au_to_header(int rec_size, au_event_t e_type, au_emod_t e_mod);
token_t	*au_to_header32(int rec_size, au_event_t e_type, au_emod_t e_mod);
token_t	*au_to_header64(int rec_size, au_event_t e_type, au_emod_t e_mod);
#endif

token_t	*au_to_me(void);
token_t	*au_to_arg(char n, char *text, uint32_t v);
token_t	*au_to_arg32(char n, char *text, uint32_t v);
token_t	*au_to_arg64(char n, char *text, uint64_t v);

#if defined(_KERNEL) || defined(KERNEL)
token_t	*au_to_attr(struct vnode_au_info *vni);
token_t	*au_to_attr32(struct vnode_au_info *vni);
token_t	*au_to_attr64(struct vnode_au_info *vni);
#endif

token_t	*au_to_data(char unit_print, char unit_type, char unit_count,
	    char *p);
token_t	*au_to_exit(int retval, int err);
token_t	*au_to_groups(int *groups);
token_t	*au_to_newgroups(uint16_t n, gid_t *groups);
token_t	*au_to_in_addr(struct in_addr *internet_addr);
token_t	*au_to_in_addr_ex(struct in6_addr *internet_addr);
token_t	*au_to_ip(struct ip *ip);
token_t	*au_to_ipc(char type, int id);
token_t	*au_to_ipc_perm(struct ipc_perm *perm);
token_t	*au_to_iport(uint16_t iport);
token_t	*au_to_opaque(char *data, uint16_t bytes);
token_t	*au_to_path(char *path);
token_t	*au_to_process(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
	    gid_t rgid, pid_t pid, au_asid_t sid, au_tid_t *tid);
token_t	*au_to_process32(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
	    gid_t rgid, pid_t pid, au_asid_t sid, au_tid_t *tid);
token_t	*au_to_process64(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
	    gid_t rgid, pid_t pid, au_asid_t sid, au_tid_t *tid);
token_t	*au_to_process_ex(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
	    gid_t rgid, pid_t pid, au_asid_t sid, au_tid_addr_t *tid);
token_t	*au_to_process32_ex(au_id_t auid, uid_t euid, gid_t egid,
	    uid_t ruid, gid_t rgid, pid_t pid, au_asid_t sid,
	    au_tid_addr_t *tid);
token_t	*au_to_process64_ex(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
	    gid_t rgid, pid_t pid, au_asid_t sid, au_tid_addr_t *tid);
token_t	*au_to_return(char status, uint32_t ret);
token_t	*au_to_return32(char status, uint32_t ret);
token_t	*au_to_return64(char status, uint64_t ret);
token_t	*au_to_seq(long audit_count);

#if defined(_KERNEL) || defined(KERNEL)
token_t	*au_to_socket(struct socket *so);
token_t	*au_to_socket_ex_32(uint16_t lp, uint16_t rp, struct sockaddr *la,
	    struct sockaddr *ta);
token_t	*au_to_socket_ex_128(uint16_t lp, uint16_t rp, struct sockaddr *la,
	    struct sockaddr *ta);
#endif

token_t	*au_to_sock_inet(struct sockaddr_in *so);
token_t	*au_to_sock_inet32(struct sockaddr_in *so);
token_t	*au_to_sock_inet128(struct sockaddr_in6 *so);
token_t	*au_to_sock_unix(struct sockaddr_un *so);
token_t	*au_to_subject(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
	    gid_t rgid, pid_t pid, au_asid_t sid, au_tid_t *tid);
token_t	*au_to_subject32(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
	    gid_t rgid, pid_t pid, au_asid_t sid, au_tid_t *tid);
token_t	*au_to_subject64(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
	    gid_t rgid, pid_t pid, au_asid_t sid, au_tid_t *tid);
token_t	*au_to_subject_ex(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
	    gid_t rgid, pid_t pid, au_asid_t sid, au_tid_addr_t *tid);
token_t	*au_to_subject32_ex(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
	    gid_t rgid, pid_t pid, au_asid_t sid, au_tid_addr_t *tid);
token_t	*au_to_subject64_ex(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
	    gid_t rgid, pid_t pid, au_asid_t sid, au_tid_addr_t *tid);
token_t	*au_to_exec_args(const char **);
token_t	*au_to_exec_env(const char **);
token_t	*au_to_text(char *text);
token_t	*au_to_kevent(struct kevent *kev);
token_t	*au_to_trailer(int rec_size);

__END_DECLS

#endif /* ! _BSM_AUDIT_RECORD_H_ */