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84 lines
2.8 KiB
Groff
84 lines
2.8 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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.\"
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.TH SETRUID 2 "19 January 1997" GNO "System Calls"
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.SH NAME
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.BR setruid ,
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.BR setrgid
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\- set user and group ID
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.SH SYNOPSIS
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.br
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#include <sys/types.h>
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.br
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#include <unistd.h>
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.sp 1
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int
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\fBsetruid\fR (uid_t \fIruid\fR);
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.br
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int
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\fBsetrgid\fR (gid_t \fIrgid\fR);
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.SH DESCRIPTION
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The
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.BR setruid
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function
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sets the real user ID of the current process.
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.LP
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The
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.BR setrgid
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function
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sets the real group ID of the 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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.LP
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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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.LP
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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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.BR setuid (2),
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.BR setgid (2),
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.BR seteuid (2),
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.BR setegid (2),
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.BR getuid (2),
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.BR getgid (2)
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.SH HISTORY
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The
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.BR setruid
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and
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.BR setrgid
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syscalls appeared in 4.2 BSD
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and were dropped in 4.4BSD.
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