2 * Copyright (c) 1990, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * @(#)pw_copy.c 8.4 (Berkeley) 4/2/94
34 * $FreeBSD: src/usr.sbin/rpc.yppasswdd/pw_copy.c,v 1.4.2.1 2000/07/12 11:09:40 davidn Exp $
35 * $DragonFly: src/usr.sbin/rpc.yppasswdd/pw_copy.c,v 1.4 2005/11/25 00:32:49 swildner Exp $
39 * This module is used to copy the master password file, replacing a single
40 * record, by chpass(1) and passwd(1).
49 #include "yppasswdd_extern.h"
52 pw_copy(int ffd
, int tfd
, struct passwd
*pw
)
62 snprintf(uidstr
, sizeof(uidstr
), "%d", pw
->pw_uid
);
63 snprintf(gidstr
, sizeof(gidstr
), "%d", pw
->pw_gid
);
64 snprintf(chgstr
, sizeof(chgstr
), "%ld", pw
->pw_change
);
65 snprintf(expstr
, sizeof(expstr
), "%ld", pw
->pw_expire
);
67 if (!(from
= fdopen(ffd
, "r"))) {
68 pw_error(passfile
, 1, 1);
71 if (!(to
= fdopen(tfd
, "w"))) {
72 pw_error(tempname
, 1, 1);
75 for (done
= 0; fgets(buf
, sizeof(buf
), from
);) {
76 if (!strchr(buf
, '\n')) {
77 yp_error("%s: line too long", passfile
);
82 fprintf(to
, "%s", buf
);
88 * Just copy comments and blank lines
90 p
= buf
+ strspn(buf
, " \t\n");
91 if (*p
== '\0' || *p
== '#') {
92 fprintf(to
, "%s", buf
);
97 if (!(p
= strchr(buf
, ':'))) {
98 yp_error("%s: corrupted entry", passfile
);
103 if (strcmp(buf
, pw
->pw_name
)) {
105 fprintf(to
, "%s", buf
);
110 fprintf(to
, "%s:%s:%s:%s:%s:%s:%s:%s:%s:%s\n",
111 pw
->pw_name
, pw
->pw_passwd
,
112 pw
->pw_fields
& _PWF_UID
? uidstr
: "",
113 pw
->pw_fields
& _PWF_GID
? gidstr
: "",
115 pw
->pw_fields
& _PWF_CHANGE
? chgstr
: "",
116 pw
->pw_fields
& _PWF_EXPIRE
? expstr
: "",
117 pw
->pw_gecos
, pw
->pw_dir
, pw
->pw_shell
);
123 if (allow_additions
) {
124 fprintf(to
, "%s:%s:%s:%s:%s:%s:%s:%s:%s:%s\n",
125 pw
->pw_name
, pw
->pw_passwd
,
126 pw
->pw_fields
& _PWF_UID
? uidstr
: "",
127 pw
->pw_fields
& _PWF_GID
? gidstr
: "",
129 pw
->pw_fields
& _PWF_CHANGE
? chgstr
: "",
130 pw
->pw_fields
& _PWF_EXPIRE
? expstr
: "",
131 pw
->pw_gecos
, pw
->pw_dir
, pw
->pw_shell
);
133 yp_error("user \"%s\" not found in %s -- \
134 NIS maps and password file possibly out of sync", pw
->pw_name
, passfile
);
139 err
: pw_error(NULL
, 1, 1);