64 lines
2.0 KiB
Groff
64 lines
2.0 KiB
Groff
.\"
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.\" Copyright (c) 2003 Joseph Koshy <jkoshy@FreeBSD.org>
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.\"
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.\" All rights reserved.
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.\"
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.\" This program is free software.
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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 DEVELOPERS ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd December 11, 2003
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.Dt PRISON_CHECK 9
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.Os
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.Sh NAME
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.Nm prison_check
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.Nd determine if two credentials belong to the same jail
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.Sh SYNOPSIS
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.In sys/jail.h
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.Ft int
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.Fn prison_check "struct ucred *cred1" "struct ucred *cred2"
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.Sh DESCRIPTION
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This function can be used to determine if the two credentials
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.Fa cred1
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and
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.Fa cred2
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belong to the same jail.
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.Sh RETURN VALUES
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The
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.Fn prison_check
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function
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returns
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.Er ESRCH
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if
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.Fa cred1
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has been jailed, and
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.Fa cred1
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and
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.Fa cred2
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do not belong to the same jail.
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In all other cases,
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.Fn prison_check
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returns zero.
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.Sh SEE ALSO
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.Xr jail 2
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