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83 lines
2.7 KiB
Groff
83 lines
2.7 KiB
Groff
.\" Copyright (c) 1983, 1991, 1993
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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. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the University of
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.\" California, Berkeley and its contributors.
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.\" 4. 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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.\" @(#)setruid.3 8.1 (Berkeley) 6/2/93
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.\" $FreeBSD$
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.\"
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.Dd June 2, 1993
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.Dt SETRUID 3
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.Os BSD 4.2
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.Sh NAME
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.Nm setruid ,
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.Nm setrgid
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.Nd set user and group ID
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.Sh LIBRARY
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.Lb libc
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.Sh SYNOPSIS
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.Fd #include <unistd.h>
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.Ft int
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.Fn setruid "uid_t ruid"
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.Ft int
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.Fn setrgid "gid_t rgid"
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.Sh DESCRIPTION
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The
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.Fn setruid
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function
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.Pq Fn setrgid
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sets the real user ID (group ID) of the
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current process.
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.Sh RETURN VALUES
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Upon success, these functions return 0;
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otherwise \-1 is returned.
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.Pp
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If the user is not the super user, or the uid
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specified is not the real or effective ID, these
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functions return \-1.
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.Pp
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The use of these calls is not portable.
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Their use is discouraged; they will be removed in the future.
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.Sh SEE ALSO
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.Xr getgid 2 ,
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.Xr getuid 2 ,
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.Xr setegid 2 ,
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.Xr seteuid 2 ,
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.Xr setgid 2 ,
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.Xr setuid 2
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.Sh HISTORY
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The
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.Fn setruid
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and
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.Fn setrgid
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syscalls appeared in
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.Bx 4.2
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and were dropped in
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.Bx 4.4 .
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