-/*
- * @APPLE_BSD_LICENSE_HEADER_START@
- *
+/*-
+ * 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.
+ * 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.
- *
+ * 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
* 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/sys/bsm/audit.h#10 $
*/
#ifndef _BSM_AUDIT_H
-#define _BSM_AUDIT_H
+#define _BSM_AUDIT_H
-#include <sys/queue.h>
-#include <sys/types.h>
#include <sys/param.h>
-#include <sys/socket.h>
-#include <sys/cdefs.h>
+#include <sys/types.h>
-#define AUDIT_RECORD_MAGIC 0x828a0f1b
-#define MAX_AUDIT_RECORDS 20
-#define MAX_AUDIT_RECORD_SIZE 4096
-#define MIN_AUDIT_FILE_SIZE 512 * 1024
+#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)
-/*
- * Triggers for the audit daemon
+/*
+ * 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_TRIGGER_LOW_SPACE 1
-#define AUDIT_TRIGGER_FILE_FULL 2
+#define AUDIT_HARD_LIMIT_FREE_BLOCKS 4
/*
- * Pre-defined audit IDs
+ * Triggers for the audit daemon.
*/
-#define AU_DEFAUDITID ((uid_t)-1)
+#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
/*
- * Define the masks for the classes of audit events.
+ * The special device filename (FreeBSD).
*/
-#define AU_NULL 0x00000000
-#define AU_FREAD 0x00000001
-#define AU_FWRITE 0x00000002
-#define AU_FACCESS 0x00000004
-#define AU_FMODIFY 0x00000008
-#define AU_FCREATE 0x00000010
-#define AU_FDELETE 0x00000020
-#define AU_CLOSE 0x00000040
-#define AU_PROCESS 0x00000080
-#define AU_NET 0x00000100
-#define AU_IPC 0x00000200
-#define AU_NONAT 0x00000400
-#define AU_ADMIN 0x00000800
-#define AU_LOGIN 0x00001000
-#define AU_TFM 0x00002000
-#define AU_APPL 0x00004000
-#define AU_SETL 0x00008000
-#define AU_IFLOAT 0x00010000
-#define AU_PRIV 0x00020000
-#define AU_MAC_RW 0x00040000
-#define AU_XCONN 0x00080000
-#define AU_XCREATE 0x00100000
-#define AU_XDELETE 0x00200000
-#define AU_XIFLOAT 0x00400000
-#define AU_XPRIVS 0x00800000
-#define AU_XPRIVF 0x01000000
-#define AU_XMOVE 0x02000000
-#define AU_XDACF 0x04000000
-#define AU_XMACF 0x08000000
-#define AU_XSECATTR 0x10000000
-#define AU_IOCTL 0x20000000
-#define AU_EXEC 0x40000000
-#define AU_OTHER 0x80000000
-#define AU_ALL 0xffffffff
+#define AUDITDEV_FILENAME "audit"
+#define AUDIT_TRIGGER_FILE ("/dev/" AUDITDEV_FILENAME)
/*
- * IPC types
+ * Pre-defined audit IDs
*/
-#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 */
+#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
+#define AUC_UNSET 0
+#define AUC_AUDITING 1
+#define AUC_NOAUDIT 2
+#define AUC_DISABLED -1
/*
* auditon(2) commands.
*/
-#define A_GETPOLICY 2
-#define A_SETPOLICY 3
-#define A_GETKMASK 4
-#define A_SETKMASK 5
-#define A_GETQCTRL 6
-#define A_SETQCTRL 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_GETCOND 20
-#define A_SETCOND 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_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_PASSWD 0x0010
-#define AUDIT_SEQ 0x0020
-#define AUDIT_WINDATA 0x0040
-#define AUDIT_USER 0x0080
-#define AUDIT_GROUP 0x0100
-#define AUDIT_TRAIL 0x0200
-#define AUDIT_PATH 0x0400
+#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
/*
- * Audit queue control parameters
+ * Default audit queue control parameters.
*/
-#define AQ_HIWATER 100
-#define AQ_MAXHIGH 10000
-#define AQ_LOWATER 10
-#define AQ_BUFSZ 1024
-#define AQ_MAXBUFSZ 1048576
+#define AQ_HIWATER 100
+#define AQ_MAXHIGH 10000
+#define AQ_LOWATER 10
+#define AQ_BUFSZ MAXAUDITDATA
+#define AQ_MAXBUFSZ 1048576
-#define AU_FS_MINFREE 20 /* default min filesystem freespace, in percent */
+/*
+ * 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 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;
+ dev_t port;
+ u_int32_t machine;
};
-typedef struct au_tid au_tid_t;
+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];
+ dev_t at_port;
+ u_int32_t at_type;
+ u_int32_t at_addr[4];
};
-typedef struct au_tid_addr au_tid_addr_t;
+typedef struct au_tid_addr au_tid_addr_t;
struct au_mask {
- unsigned int am_success; /* success bits */
- unsigned int am_failure; /* failure bits */
+ unsigned int am_success; /* Success bits. */
+ unsigned int am_failure; /* Failure bits. */
};
-typedef struct au_mask au_mask_t;
+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 */
+ 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;
+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_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;
+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 */
+ 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;
+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 */
+ 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;
+typedef struct auditpinfo_addr auditpinfo_addr_t;
-/* Token and record structures */
+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_token {
- u_char *t_data;
- size_t len;
- TAILQ_ENTRY(au_token) tokens;
+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_token token_t;
+typedef struct au_expire_after au_expire_after_t;
-struct au_record {
- char used; /* Is this record currently being used */
- int desc; /* The descriptor associated with this record */
- TAILQ_HEAD(, au_token) token_q; /* queue of BSM tokens */
- u_char *data;
- size_t len;
- LIST_ENTRY(au_record) au_rec_q;
-};
-typedef struct au_record au_record_t;
+/*
+ * Contents of token_t are opaque outside of libbsm.
+ */
+typedef struct au_token token_t;
/*
- * Kernel audit queue control parameters.
+ * 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 {
- size_t aq_hiwater;
- size_t aq_lowater;
- size_t aq_bufsz;
- clock_t aq_delay;
- int aq_minfree; /* minimum filesystem percent free space */
+ 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_nonattring;
- int as_kernel;
- int as_audit;
- int as_auditctl;
- int as_enqueu;
- int as_written;
- int as_wblocked;
- int as_rblocked;
- int as_dropped;
- int as_totalsize;
- unsigned int as_memused;
+ 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;
+typedef struct audit_stat au_stat_t;
/*
* Structure for the audit file statistics.
*/
struct audit_fstat {
- u_quad_t af_filesz;
- u_quad_t af_currsz;
+ u_int64_t af_filesz;
+ u_int64_t af_currsz;
};
-typedef struct audit_fstat au_fstat_t;
+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;
+ au_event_t ec_number;
+ au_class_t ec_class;
};
-typedef struct au_evclass_map au_evclass_map_t;
-
-#ifndef 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);
-#endif /* !KERNEL */
+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
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