72 lines
2.5 KiB
Groff
72 lines
2.5 KiB
Groff
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.\"
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.\" Copyright (c) 2000 Christian S.J. Peron <maneo@bsdpro.com>
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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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.\" 3. The name of the author may not be used to endorse or promote products
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.\" derived from this software without specific prior written permission.
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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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.\" $FreeBSD$
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.\"
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.Dd March 6, 2004
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.Dt SECURELEVEL_GT 9
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.Os
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.Sh NAME
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.Nm securelevel_gt , securelevel_ge
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.Nd test active securelevel
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.Sh SYNOPSIS
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.In sys/types.h
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.In sys/proc.h
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.Ft int
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.Fn securelevel_gt "struct ucred *cr" "int level"
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.Ft int
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.Fn securelevel_ge "struct ucred *cr" "int level"
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.Sh DESCRIPTION
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These functions test the active security level against the given
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.Fa level .
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If the calling credential
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.Fa cr
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was imprisoned by the
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.Xr jail 2
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system call, and has a
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different security level set than the host environment,
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the security level with the highest value is used.
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.Pp
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The
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.Fn securelevel_gt
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function
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will evaluate whether or not the active security
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level is greater than the supplied
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.Fa level .
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.Pp
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The
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.Fn securelevel_ge
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function
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will evaluate whether or not the active security
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level is greater than or equal to the supplied
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.Fa level .
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.Sh RETURN VALUES
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These functions return
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.Er EPERM
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if condition evaluated to true, and 0 otherwise.
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.Sh SEE ALSO
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.Xr securelevel 8
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