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 (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22/*
23 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#pragma ident	"%Z%%M%	%I%	%E% SMI"
28
29#include "mt.h"
30#include <stdlib.h>
31#include <sys/types.h>
32#include <nss_dbdefs.h>
33#include <string.h>
34#include <auth_attr.h>
35
36
37/* externs from parse.c */
38extern char *_strtok_escape(char *, char *, char **);
39
40static int authattr_stayopen = 0;
41/*
42 * Unsynchronized, but it affects only
43 * efficiency, not correctness
44 */
45
46static DEFINE_NSS_DB_ROOT(db_root);
47static DEFINE_NSS_GETENT(context);
48
49void
50_nss_initf_authattr(nss_db_params_t *p)
51{
52	p->name = NSS_DBNAM_AUTHATTR;
53	p->default_config = NSS_DEFCONF_AUTHATTR;
54}
55
56
57/*
58 * Return values: 0 = success, 1 = parse error, 2 = erange ...
59 * The structure pointer passed in is a structure in the caller's space
60 * wherein the field pointers would be set to areas in the buffer if
61 * need be. instring and buffer should be separate areas.
62 */
63int
64str2authattr(const char *instr, int lenstr, void *ent, char *buffer, int buflen)
65{
66	char		*last = NULL;
67	char		*sep = KV_TOKEN_DELIMIT;
68	authstr_t	*auth = (authstr_t *)ent;
69
70	if (lenstr >= buflen)
71		return (NSS_STR_PARSE_ERANGE);
72
73	if (instr != buffer)
74		(void) strncpy(buffer, instr, buflen);
75
76	/*
77	 * Remove newline that nis (yp_match) puts at the
78	 * end of the entry it retrieves from the map.
79	 */
80	if (buffer[lenstr] == '\n')
81		buffer[lenstr] = '\0';
82
83	/* quick exit do not entry fill if not needed */
84	if (ent == (void *)NULL)
85		return (NSS_STR_PARSE_SUCCESS);
86
87	auth->name = _strtok_escape(buffer, sep, &last);
88	auth->res1 = _strtok_escape(NULL, sep, &last);
89	auth->res2 = _strtok_escape(NULL, sep, &last);
90	auth->short_desc = _strtok_escape(NULL, sep, &last);
91	auth->long_desc = _strtok_escape(NULL, sep, &last);
92	auth->attr = _strtok_escape(NULL, sep, &last);
93
94	return (0);
95}
96
97
98void
99_setauthattr(void)
100{
101	authattr_stayopen = 0;
102	nss_setent(&db_root, _nss_initf_authattr, &context);
103}
104
105
106void
107_endauthattr(void)
108{
109	authattr_stayopen = 0;
110	nss_endent(&db_root, _nss_initf_authattr, &context);
111	nss_delete(&db_root);
112}
113
114
115authstr_t *
116_getauthattr(authstr_t *result, char *buffer, int buflen, int *h_errnop)
117{
118	nss_XbyY_args_t arg;
119	nss_status_t res;
120
121	NSS_XbyY_INIT(&arg, result, buffer, buflen, str2authattr);
122	res = nss_getent(&db_root, _nss_initf_authattr, &context, &arg);
123	arg.status = res;
124	*h_errnop = arg.h_errno;
125	return ((authstr_t *)NSS_XbyY_FINI(&arg));
126}
127
128
129authstr_t *
130_getauthnam(const char *name, authstr_t *result, char *buffer, int buflen,
131    int *errnop)
132{
133	nss_XbyY_args_t arg;
134	nss_status_t    res;
135
136	NSS_XbyY_INIT(&arg, result, buffer, buflen, str2authattr);
137	arg.key.name = name;
138	arg.stayopen = authattr_stayopen;
139	res = nss_search(&db_root, _nss_initf_authattr,
140	    NSS_DBOP_AUTHATTR_BYNAME, &arg);
141	arg.status = res;
142	*errnop = arg.h_errno;
143	return ((authstr_t *)NSS_XbyY_FINI(&arg));
144}
145