xref: /netbsd-src/external/mpl/bind/dist/bin/confgen/os.c (revision cb63e24e8d6aae7ddac1859a9015f48b1d8bd90e)
1 /*	$NetBSD: os.c,v 1.2 2024/02/21 22:51:00 christos Exp $	*/
2 
3 /*
4  * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
5  *
6  * SPDX-License-Identifier: MPL-2.0
7  *
8  * This Source Code Form is subject to the terms of the Mozilla Public
9  * License, v. 2.0. If a copy of the MPL was not distributed with this
10  * file, you can obtain one at https://mozilla.org/MPL/2.0/.
11  *
12  * See the COPYRIGHT file distributed with this work for additional
13  * information regarding copyright ownership.
14  */
15 
16 /*! \file */
17 
18 #include <errno.h>
19 #include <fcntl.h>
20 #include <pwd.h>
21 #include <stdio.h>
22 #include <sys/stat.h>
23 #include <sys/types.h>
24 #include <unistd.h>
25 
26 #include <confgen/os.h>
27 
28 int
29 set_user(FILE *fd, const char *user) {
30 	struct passwd *pw;
31 
32 	pw = getpwnam(user);
33 	if (pw == NULL) {
34 		errno = EINVAL;
35 		return (-1);
36 	}
37 	return (fchown(fileno(fd), pw->pw_uid, -1));
38 }
39