7e6cabd06e
Renumber cluase 4 to 3, per what everybody else did when BSD granted them permission to remove clause 3. My insistance on keeping the same numbering for legal reasons is too pedantic, so give up on that point. Submitted by: Jan Schaumann <jschauma@stevens.edu> Pull Request: https://github.com/freebsd/freebsd/pull/96
88 lines
2.6 KiB
Groff
88 lines
2.6 KiB
Groff
.\" Copyright (c) 1983, 1991, 1993, 1994
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.\" The Regents of the University of California. 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. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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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.\" @(#)setgroups.2 8.2 (Berkeley) 4/16/94
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.\" $FreeBSD$
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.\"
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.Dd April 16, 1994
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.Dt SETGROUPS 2
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.Os
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.Sh NAME
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.Nm setgroups
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.Nd set group access list
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.Sh LIBRARY
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.Lb libc
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.Sh SYNOPSIS
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.In sys/param.h
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.In unistd.h
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.Ft int
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.Fn setgroups "int ngroups" "const gid_t *gidset"
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.Sh DESCRIPTION
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The
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.Fn setgroups
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system call
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sets the group access list of the current user process
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according to the array
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.Fa gidset .
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The
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.Fa ngroups
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argument
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indicates the number of entries in the array and must be no
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more than
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.Dv {NGROUPS_MAX}+1 .
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.Pp
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Only the super-user may set a new group list.
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.Sh RETURN VALUES
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.Rv -std setgroups
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.Sh ERRORS
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The
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.Fn setgroups
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system call will fail if:
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.Bl -tag -width Er
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.It Bq Er EPERM
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The caller is not the super-user.
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.It Bq Er EINVAL
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The number specified in the
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.Fa ngroups
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argument is larger than the
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.Dv {NGROUPS_MAX}+1
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limit.
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.It Bq Er EFAULT
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The address specified for
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.Fa gidset
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is outside the process
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address space.
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.El
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.Sh SEE ALSO
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.Xr getgroups 2 ,
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.Xr initgroups 3
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.Sh HISTORY
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The
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.Fn setgroups
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system call appeared in
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.Bx 4.2 .
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