xref: /freebsd/usr.sbin/pw/pw_nis.c (revision 2be1a816b9ff69588e55be0a84cbe2a31efc0f2f)
1 /*-
2  * Copyright (C) 1996
3  *	David L. Nugent.  All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY DAVID L. NUGENT AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL DAVID L. NUGENT OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  */
26 
27 #ifndef lint
28 static const char rcsid[] =
29   "$FreeBSD$";
30 #endif /* not lint */
31 
32 #include <stdio.h>
33 #include <stdlib.h>
34 #include <string.h>
35 #include <sys/types.h>
36 
37 #include "pw.h"
38 
39 static int
40 pw_nisupdate(const char * path, struct passwd * pwd, char const * user, int mode)
41 {
42 	char            pfx[32];
43 	char            pwbuf[PWBUFSZ];
44 	int             l = sprintf(pfx, "%s:", user);
45 
46 	/*
47 	 * Update the passwd file first
48 	 */
49 	if (pwd == NULL)
50 		*pwbuf = '\0';
51 	else
52 		fmtpwentry(pwbuf, pwd, PWF_MASTER);
53 	return fileupdate(path, 0600, pwbuf, pfx, l, mode) != 0;
54 }
55 
56 int
57 addnispwent(const char *path, struct passwd * pwd)
58 {
59 	return pw_nisupdate(path, pwd, pwd->pw_name, UPD_CREATE);
60 }
61 
62 int
63 chgnispwent(const char *path, char const * login, struct passwd * pwd)
64 {
65 	return pw_nisupdate(path, pwd, login, UPD_REPLACE);
66 }
67 
68 int
69 delnispwent(const char *path, const char *login)
70 {
71 	return pw_nisupdate(path, NULL, login, UPD_DELETE);
72 }
73