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
38 static int
pw_nisupdate(const char * path,struct passwd * pwd,char const * user)39 pw_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
80 int
addnispwent(const char * path,struct passwd * pwd)81 addnispwent(const char *path, struct passwd * pwd)
82 {
83 return pw_nisupdate(path, pwd, NULL);
84 }
85
86 int
chgnispwent(const char * path,char const * login,struct passwd * pwd)87 chgnispwent(const char *path, char const * login, struct passwd * pwd)
88 {
89 return pw_nisupdate(path, pwd, login);
90 }
91
92 int
delnispwent(const char * path,const char * login)93 delnispwent(const char *path, const char *login)
94 {
95 return pw_nisupdate(path, NULL, login);
96 }
97