3008333d44
were cherry picked up the upstream OpenBSD repository. At some point we will look at doing another import, but the diffs are substantial and will require some careful testing. Differential Revision: https://reviews.freebsd.org/D25021 MFC after: 2 weeks Submitted by: gbe Reviewed by: myself, bcr
188 lines
5.4 KiB
Groff
188 lines
5.4 KiB
Groff
.\"-
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.\" Copyright (c) 2005 Robert N. M. Watson
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.\" Copyright (c) 2008 Apple Inc.
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.\" All rights reserved.
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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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.\" 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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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.Dd March 14, 2018
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.Dt GETAUDIT 2
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.Os
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.Sh NAME
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.Nm getaudit ,
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.Nm getaudit_addr
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.Nd "retrieve audit session state"
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.Sh SYNOPSIS
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.In bsm/audit.h
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.Ft int
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.Fn getaudit "auditinfo_t *auditinfo"
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.Ft int
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.Fn getaudit_addr "auditinfo_addr_t *auditinfo_addr" "u_int length"
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.Sh DESCRIPTION
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The
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.Fn getaudit
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system call
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retrieves the active audit session state for the current process via the
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.Vt auditinfo_t
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pointed to by
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.Fa auditinfo .
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The
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.Fn getaudit_addr
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system call
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retrieves extended state via
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.Fa auditinfo_addr
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and
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.Fa length .
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.Pp
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The
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.Fa auditinfo_t
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data structure is defined as follows:
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.Bd -literal -offset indent
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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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au_asflgs_t ai_flags; /* Audit session flags. */
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};
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typedef struct auditinfo auditinfo_t;
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.Ed
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.Pp
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The
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.Fa ai_auid
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variable contains the audit identifier which is recorded in the audit log for
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each event the process caused.
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.Pp
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The
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.Fa au_mask_t
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data structure defines the bit mask for auditing successful and failed events
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out of the predefined list of event classes.
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It is defined as follows:
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.Bd -literal -offset indent
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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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.Ed
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.Pp
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The
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.Fa au_termid_t
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data structure defines the Terminal ID recorded with every event caused by the
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process.
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It is defined as follows:
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.Bd -literal -offset indent
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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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.Ed
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.Pp
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The
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.Fa ai_asid
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variable contains the audit session ID which is recorded with every event
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caused by the process.
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.Pp
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The
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.Fn getaudit_addr
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system call
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uses the expanded
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.Fa auditinfo_addr_t
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data structure and supports Terminal IDs with larger addresses
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such as those used in IP version 6.
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It is defined as follows:
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.Bd -literal -offset indent
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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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.Ed
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.Pp
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The
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.Fa au_tid_addr_t
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data structure which includes a larger address storage field and an additional
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field with the type of address stored:
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.Bd -literal -offset indent
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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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.Ed
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.Pp
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These system calls require an appropriate privilege to complete.
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.Sh RETURN VALUES
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.Rv -std getaudit getaudit_addr
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.Sh ERRORS
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The
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.Fn getaudit
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function will fail if:
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.Bl -tag -width Er
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.It Bq Er EFAULT
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A failure occurred while data transferred to or from
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the kernel failed.
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.It Bq Er EINVAL
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Illegal argument was passed by a system call.
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.It Bq Er EPERM
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The process does not have sufficient permission to complete
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the operation.
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.It Bq Er EOVERFLOW
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The
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.Fa length
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argument indicates an overflow condition will occur.
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.It Bq Er E2BIG
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The address is too big and, therefore,
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.Fn getaudit_addr
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should be used instead.
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.El
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.Sh SEE ALSO
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.Xr audit 2 ,
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.Xr auditon 2 ,
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.Xr getauid 2 ,
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.Xr setaudit 2 ,
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.Xr setauid 2 ,
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.Xr libbsm 3
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.Sh HISTORY
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The OpenBSM implementation was created by McAfee Research, the security
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division of McAfee Inc., under contract to Apple Computer Inc.\& in 2004.
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It was subsequently adopted by the TrustedBSD Project as the foundation for
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the OpenBSM distribution.
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.Sh AUTHORS
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.An -nosplit
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This software was created by McAfee Research, the security research division
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of McAfee, Inc., under contract to Apple Computer Inc.
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Additional authors include
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.An Wayne Salamon ,
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.An Robert Watson ,
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and SPARTA Inc.
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.Pp
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The Basic Security Module (BSM) interface to audit records and audit event
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stream format were defined by Sun Microsystems.
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.Pp
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This manual page was written by
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.An Robert Watson Aq rwatson@FreeBSD.org .
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