1.\" 2.\" Copyright (c) 2003 Joseph Koshy <jkoshy@freebsd.org> 3.\" 4.\" All rights reserved. 5.\" 6.\" This program is free software. 7.\" 8.\" Redistribution and use in source and binary forms, with or without 9.\" modification, are permitted provided that the following conditions 10.\" are met: 11.\" 1. Redistributions of source code must retain the above copyright 12.\" notice, this list of conditions and the following disclaimer. 13.\" 2. Redistributions in binary form must reproduce the above copyright 14.\" notice, this list of conditions and the following disclaimer in the 15.\" documentation and/or other materials provided with the distribution. 16.\" 17.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR 18.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT, 21.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27.\" 28.\" $FreeBSD$ 29.Dd December 11, 2003 30.Os 31.Dt prison_check 9 32.Sh NAME 33.Nm prison_check 34.Nd determine if two credentials belong to the same jail 35.Sh SYNOPSIS 36.In sys/jail.h 37.Ft int 38.Fn prison_check "struct ucred *cred1" "struct ucred *cred2" 39.Sh DESCRIPTION 40This function can be used to determine if the two credentials 41.Fa cred1 42and 43.Fa cred2 44belong to the same jail. 45.Sh RETURN VALUES 46.Fn prison_check 47returns 48.Er ESRCH 49if 50.Fa cred1 51has been jailed, and 52.Fa cred1 53and 54.Fa cred2 55do not belong to the same jail. 56In all other cases, 57.Fn prison_check 58returns zero. 59.Sh SEE ALSO 60.Xr jail 2