1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
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#include <sys/types.h>
30
31#include <err.h>
32#include <pwd.h>
33#include <libutil.h>
34#include <unistd.h>
35
36#include "pw.h"
37
38static int
39pw_nisupdate(const char * path, struct passwd * pwd, char const * user)
40{
41	int pfd, tfd;
42	struct passwd *pw = NULL;
43	struct passwd *old_pw = NULL;
44
45	printf("===> %s\n", path);
46	if (pwd != NULL)
47		pw = pw_dup(pwd);
48
49	if (user != NULL)
50		old_pw = GETPWNAM(user);
51
52	if (pw_init(NULL, path))
53		err(1,"pw_init()");
54	if ((pfd = pw_lock()) == -1) {
55		pw_fini();
56		err(1, "pw_lock()");
57	}
58	if ((tfd = pw_tmp(-1)) == -1) {
59		pw_fini();
60		err(1, "pw_tmp()");
61	}
62	if (pw_copy(pfd, tfd, pw, old_pw) == -1) {
63		pw_fini();
64		close(tfd);
65		err(1, "pw_copy()");
66	}
67	fsync(tfd);
68	close(tfd);
69	if (chmod(pw_tempname(), 0644) == -1)
70		err(1, "chmod()");
71	if (rename(pw_tempname(), path) == -1)
72		err(1, "rename()");
73
74	free(pw);
75	pw_fini();
76
77	return (0);
78}
79
80int
81addnispwent(const char *path, struct passwd * pwd)
82{
83	return pw_nisupdate(path, pwd, NULL);
84}
85
86int
87chgnispwent(const char *path, char const * login, struct passwd * pwd)
88{
89	return pw_nisupdate(path, pwd, login);
90}
91
92int
93delnispwent(const char *path, const char *login)
94{
95	return pw_nisupdate(path, NULL, login);
96}
97