xref: /minix/external/bsd/bind/dist/bin/confgen/unix/os.c (revision 00b67f09)
1 /*	$NetBSD: os.c,v 1.4 2014/12/10 04:37:51 christos Exp $	*/
2 
3 /*
4  * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
5  *
6  * Permission to use, copy, modify, and/or distribute this software for any
7  * purpose with or without fee is hereby granted, provided that the above
8  * copyright notice and this permission notice appear in all copies.
9  *
10  * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
11  * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
12  * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
13  * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
14  * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
15  * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
16  * PERFORMANCE OF THIS SOFTWARE.
17  */
18 
19 /* Id: os.c,v 1.3 2009/06/11 23:47:55 tbox Exp  */
20 
21 /*! \file */
22 
23 #include <config.h>
24 
25 #include <confgen/os.h>
26 
27 #include <fcntl.h>
28 #include <unistd.h>
29 #include <sys/types.h>
30 #include <pwd.h>
31 #include <errno.h>
32 #include <stdio.h>
33 #include <sys/stat.h>
34 
35 int
set_user(FILE * fd,const char * user)36 set_user(FILE *fd, const char *user) {
37 	struct passwd *pw;
38 
39 	pw = getpwnam(user);
40 	if (pw == NULL) {
41 		errno = EINVAL;
42 		return (-1);
43 	}
44 	return (fchown(fileno(fd), pw->pw_uid, -1));
45 }
46