xref: /freebsd/usr.sbin/pw/pw_nis.c (revision 49b49cda41feabe3439f7318e8bf40e3896c7bf4)
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 <sys/types.h>
33 
34 #include <err.h>
35 #include <pwd.h>
36 #include <libutil.h>
37 
38 #include "pw.h"
39 
40 static int
41 pw_nisupdate(const char * path, struct passwd * pwd, char const * user)
42 {
43 	int pfd, tfd;
44 	struct passwd *pw = NULL;
45 	struct passwd *old_pw = NULL;
46 
47 	printf("===> %s\n", path);
48 	if (pwd != NULL)
49 		pw = pw_dup(pwd);
50 
51 	if (user != NULL)
52 		old_pw = GETPWNAM(user);
53 
54 	if (pw_init(NULL, path))
55 		err(1,"pw_init()");
56 	if ((pfd = pw_lock()) == -1) {
57 		pw_fini();
58 		err(1, "pw_lock()");
59 	}
60 	if ((tfd = pw_tmp(-1)) == -1) {
61 		pw_fini();
62 		err(1, "pw_tmp()");
63 	}
64 	if (pw_copy(pfd, tfd, pw, old_pw) == -1) {
65 		pw_fini();
66 		err(1, "pw_copy()");
67 	}
68 	if (chmod(pw_tempname(), 0644) == -1)
69 		err(1, "chmod()");
70 	if (rename(pw_tempname(), path) == -1)
71 		err(1, "rename()");
72 
73 	free(pw);
74 	pw_fini();
75 
76 	return (0);
77 }
78 
79 int
80 addnispwent(const char *path, struct passwd * pwd)
81 {
82 	return pw_nisupdate(path, pwd, NULL);
83 }
84 
85 int
86 chgnispwent(const char *path, char const * login, struct passwd * pwd)
87 {
88 	return pw_nisupdate(path, pwd, login);
89 }
90 
91 int
92 delnispwent(const char *path, const char *login)
93 {
94 	return pw_nisupdate(path, NULL, login);
95 }
96