/contrib/bind9/bin/confgen/unix/os.c

 1/*
 2 * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
 3 *
 4 * Permission to use, copy, modify, and/or distribute this software for any
 5 * purpose with or without fee is hereby granted, provided that the above
 6 * copyright notice and this permission notice appear in all copies.
 7 *
 8 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
 9 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
10 * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
11 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
12 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
13 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
14 * PERFORMANCE OF THIS SOFTWARE.
15 */
16
17/* $Id: os.c,v 1.3 2009/06/11 23:47:55 tbox Exp $ */
18
19/*! \file */
20
21#include <config.h>
22
23#include <confgen/os.h>
24
25#include <fcntl.h>
26#include <unistd.h>
27#include <sys/types.h>
28#include <pwd.h>
29#include <errno.h>
30#include <stdio.h>
31#include <sys/stat.h>
32
33int
34set_user(FILE *fd, const char *user) {
35	struct passwd *pw;
36
37	pw = getpwnam(user);
38	if (pw == NULL) {
39		errno = EINVAL;
40		return (-1);
41	}
42	return (fchown(fileno(fd), pw->pw_uid, -1));
43}