1994-05-27 05:00:24 +00:00
|
|
|
.\" Copyright (c) 1983, 1991, 1993, 1994
|
|
|
|
|
.\" The Regents of the University of California. All rights reserved.
|
|
|
|
|
.\"
|
|
|
|
|
.\" Redistribution and use in source and binary forms, with or without
|
|
|
|
|
.\" modification, are permitted provided that the following conditions
|
|
|
|
|
.\" are met:
|
|
|
|
|
.\" 1. Redistributions of source code must retain the above copyright
|
|
|
|
|
.\" notice, this list of conditions and the following disclaimer.
|
|
|
|
|
.\" 2. Redistributions in binary form must reproduce the above copyright
|
|
|
|
|
.\" notice, this list of conditions and the following disclaimer in the
|
|
|
|
|
.\" documentation and/or other materials provided with the distribution.
|
|
|
|
|
.\" 3. All advertising materials mentioning features or use of this software
|
|
|
|
|
.\" must display the following acknowledgement:
|
|
|
|
|
.\" This product includes software developed by the University of
|
|
|
|
|
.\" California, Berkeley and its contributors.
|
|
|
|
|
.\" 4. Neither the name of the University nor the names of its contributors
|
|
|
|
|
.\" may be used to endorse or promote products derived from this software
|
|
|
|
|
.\" without specific prior written permission.
|
|
|
|
|
.\"
|
|
|
|
|
.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
|
|
|
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
|
|
|
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
|
|
|
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
|
|
|
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
|
|
|
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
|
|
|
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
|
|
|
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
|
|
|
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
|
|
|
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
|
|
|
.\" SUCH DAMAGE.
|
|
|
|
|
.\"
|
|
|
|
|
.\" @(#)setgroups.2 8.2 (Berkeley) 4/16/94
|
1999-08-28 00:22:10 +00:00
|
|
|
.\" $FreeBSD$
|
1994-05-27 05:00:24 +00:00
|
|
|
.\"
|
|
|
|
|
.Dd April 16, 1994
|
|
|
|
|
.Dt SETGROUPS 2
|
|
|
|
|
.Os BSD 4.2
|
|
|
|
|
.Sh NAME
|
|
|
|
|
.Nm setgroups
|
|
|
|
|
.Nd set group access list
|
2000-04-21 09:42:15 +00:00
|
|
|
.Sh LIBRARY
|
|
|
|
|
.Lb libc
|
1994-05-27 05:00:24 +00:00
|
|
|
.Sh SYNOPSIS
|
|
|
|
|
.Fd #include <sys/param.h>
|
|
|
|
|
.Fd #include <unistd.h>
|
|
|
|
|
.Ft int
|
|
|
|
|
.Fn setgroups "int ngroups" "const gid_t *gidset"
|
|
|
|
|
.Sh DESCRIPTION
|
|
|
|
|
.Fn Setgroups
|
|
|
|
|
sets the group access list of the current user process
|
|
|
|
|
according to the array
|
|
|
|
|
.Fa gidset .
|
|
|
|
|
The parameter
|
|
|
|
|
.Fa ngroups
|
|
|
|
|
indicates the number of entries in the array and must be no
|
|
|
|
|
more than
|
|
|
|
|
.Dv NGROUPS ,
|
|
|
|
|
as defined in
|
|
|
|
|
.Ao Pa sys/param.h Ac .
|
|
|
|
|
.Pp
|
|
|
|
|
Only the super-user may set new groups.
|
|
|
|
|
.Sh RETURN VALUES
|
|
|
|
|
A 0 value is returned on success, -1 on error, with
|
|
|
|
|
an error code stored in
|
|
|
|
|
.Va errno .
|
|
|
|
|
.Sh ERRORS
|
|
|
|
|
The
|
|
|
|
|
.Fn setgroups
|
|
|
|
|
call will fail if:
|
|
|
|
|
.Bl -tag -width Er
|
|
|
|
|
.It Bq Er EPERM
|
|
|
|
|
The caller is not the super-user.
|
|
|
|
|
.It Bq Er EFAULT
|
|
|
|
|
The address specified for
|
|
|
|
|
.Fa gidset
|
|
|
|
|
is outside the process
|
|
|
|
|
address space.
|
|
|
|
|
.El
|
|
|
|
|
.Sh SEE ALSO
|
|
|
|
|
.Xr getgroups 2 ,
|
|
|
|
|
.Xr initgroups 3
|
|
|
|
|
.Sh HISTORY
|
|
|
|
|
The
|
1996-08-22 23:31:07 +00:00
|
|
|
.Fn setgroups
|
1994-05-27 05:00:24 +00:00
|
|
|
function call appeared in
|
|
|
|
|
.Bx 4.2 .
|
