71 lines
2.7 KiB
Groff
71 lines
2.7 KiB
Groff
.\" $NetBSD: suser.9,v 1.4 2003/01/25 19:27:43 kleink Exp $
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.\"
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.\" Copyright (c) 2002 The NetBSD Foundation, Inc.
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.\" All rights reserved.
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.\"
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.\" This code is derived from software contributed to The NetBSD Foundation
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.\" by Gregory McGarry.
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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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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the NetBSD
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.\" Foundation, Inc. and its contributors.
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.\" 4. Neither the name of The NetBSD Foundation nor the names of its
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.\" contributors may be used to endorse or promote products derived
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.\" from this software without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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.\" POSSIBILITY OF SUCH DAMAGE.
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.\"
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.Dd January 25, 2003
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.Dt SUSER 9
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.Os
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.Sh NAME
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.Nm suser
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.Nd test for super-user credentials
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.Sh SYNOPSIS
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.Fd #include \*[Lt]sys/param.h\*[Gt]
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.Fd #include \*[Lt]sys/ucred.h\*[Gt]
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.Fd #include \*[Lt]sys/acct.h\*[Gt]
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.Ft int
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.Fn suser "struct ucred *cred" "u_short *acflag"
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.Sh DESCRIPTION
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.Fn suser
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tests whether the specified credentials
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.Fa cred
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imply super-user privilege.
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The argument
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.Fa acflag ,
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if non-NULL, is a pointer to the
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.Em ac_flag
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in the accounting structure.
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If super-user privilege is implied by
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the credentials, and
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.Fa acflag
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is not NULL,
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the ASU flags is set in
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.Fa acflag
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to indicate the use of super-powers.
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.Pp
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.Fn suser
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returns zero on success, or
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.Er EPERM
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if super-user privilege is not implied by the credentials.
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