1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (C) 1996
5 *	David L. Nugent.  All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY DAVID L. NUGENT AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL DAVID L. NUGENT OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#ifndef lint
30static const char rcsid[] =
31  "$FreeBSD$";
32#endif /* not lint */
33
34#include <sys/types.h>
35
36#include <err.h>
37#include <pwd.h>
38#include <libutil.h>
39#include <unistd.h>
40
41#include "pw.h"
42
43static int
44pw_nisupdate(const char * path, struct passwd * pwd, char const * user)
45{
46	int pfd, tfd;
47	struct passwd *pw = NULL;
48	struct passwd *old_pw = NULL;
49
50	printf("===> %s\n", path);
51	if (pwd != NULL)
52		pw = pw_dup(pwd);
53
54	if (user != NULL)
55		old_pw = GETPWNAM(user);
56
57	if (pw_init(NULL, path))
58		err(1,"pw_init()");
59	if ((pfd = pw_lock()) == -1) {
60		pw_fini();
61		err(1, "pw_lock()");
62	}
63	if ((tfd = pw_tmp(-1)) == -1) {
64		pw_fini();
65		err(1, "pw_tmp()");
66	}
67	if (pw_copy(pfd, tfd, pw, old_pw) == -1) {
68		pw_fini();
69		close(tfd);
70		err(1, "pw_copy()");
71	}
72	fsync(tfd);
73	close(tfd);
74	if (chmod(pw_tempname(), 0644) == -1)
75		err(1, "chmod()");
76	if (rename(pw_tempname(), path) == -1)
77		err(1, "rename()");
78
79	free(pw);
80	pw_fini();
81
82	return (0);
83}
84
85int
86addnispwent(const char *path, struct passwd * pwd)
87{
88	return pw_nisupdate(path, pwd, NULL);
89}
90
91int
92chgnispwent(const char *path, char const * login, struct passwd * pwd)
93{
94	return pw_nisupdate(path, pwd, login);
95}
96
97int
98delnispwent(const char *path, const char *login)
99{
100	return pw_nisupdate(path, NULL, login);
101}
102