1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /*
23 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 * Copyright 2024 OmniOS Community Edition (OmniOSce) Association.
26 */
27
28 #include <nsswitch.h>
29
30 #include "passwdutil.h"
31
32 /*
33 * __check_history - check if a user's new password is in the user's
34 * old password history.
35 *
36 * Entry
37 * user = username.
38 * passwd = new clear text password.
39 * rep = repositories to check.
40 *
41 * Exit
42 * PWU_SUCCESS, passwd found in user's old password history.
43 * The caller should only be interested and fail if
44 * PWU_SUCCESS is returned.
45 * PWU_NOT_FOUND, passwd not in user's old password history.
46 * PWU_errors, PWU_ errors from other routines.
47 *
48 */
49 int
__check_history(const char * user,const char * passwd,pwu_repository_t * rep)50 __check_history(const char *user, const char *passwd, pwu_repository_t *rep)
51 {
52 int repositories;
53 int i;
54 int res;
55
56 repositories = get_ns(rep, PWU_READ);
57
58 if (repositories == 0)
59 return (PWU_SYSTEM_ERROR);
60
61 if (repositories == REP_ERANGE)
62 return (PWU_REPOSITORY_ERROR);
63
64 i = REP_FILES;
65 res = PWU_NOT_FOUND;
66
67 /* Loop over repositories until the user is found */
68 while ((i <= REP_LAST) && (res == PWU_NOT_FOUND)) {
69 if (repositories & i)
70 if (rops[i]->checkhistory != NULL)
71 res = rops[i]->checkhistory(user, passwd, rep);
72 i <<= 1;
73 }
74 return (res);
75 }
76