getauthattr.c revision 1219:f89f56c2d9ac 
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/*
24 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
25 * Use is subject to license terms.
26 */
27
28#pragma ident	"%Z%%M%	%I%	%E% SMI"
29
30#include "mt.h"
31#include <stdlib.h>
32#include <sys/types.h>
33#include <nss_dbdefs.h>
34#include <string.h>
35#include <auth_attr.h>
36
37
38/* externs from parse.c */
39extern char *_strtok_escape(char *, char *, char **);
40
41static int authattr_stayopen = 0;
42/*
43 * Unsynchronized, but it affects only
44 * efficiency, not correctness
45 */
46
47static DEFINE_NSS_DB_ROOT(db_root);
48static DEFINE_NSS_GETENT(context);
49
50void
51_nss_initf_authattr(nss_db_params_t *p)
52{
53	p->name = NSS_DBNAM_AUTHATTR;
54	p->default_config = NSS_DEFCONF_AUTHATTR;
55}
56
57
58/*
59 * Return values: 0 = success, 1 = parse error, 2 = erange ...
60 * The structure pointer passed in is a structure in the caller's space
61 * wherein the field pointers would be set to areas in the buffer if
62 * need be. instring and buffer should be separate areas.
63 */
64int
65str2authattr(const char *instr, int lenstr, void *ent, char *buffer, int buflen)
66{
67	char		*last = NULL;
68	char		*sep = KV_TOKEN_DELIMIT;
69	authstr_t	*auth = (authstr_t *)ent;
70
71	if ((instr >= buffer && (buffer + buflen) > instr) ||
72	    (buffer >= instr && (instr + lenstr) > buffer))
73		return (NSS_STR_PARSE_PARSE);
74	if (lenstr >= buflen)
75		return (NSS_STR_PARSE_ERANGE);
76	(void) strncpy(buffer, instr, buflen);
77	/*
78	 * Remove newline that nis (yp_match) puts at the
79	 * end of the entry it retrieves from the map.
80	 */
81	if (buffer[lenstr] == '\n')
82		buffer[lenstr] = '\0';
83
84	auth->name = _strtok_escape(buffer, sep, &last);
85	auth->res1 = _strtok_escape(NULL, sep, &last);
86	auth->res2 = _strtok_escape(NULL, sep, &last);
87	auth->short_desc = _strtok_escape(NULL, sep, &last);
88	auth->long_desc = _strtok_escape(NULL, sep, &last);
89	auth->attr = _strtok_escape(NULL, sep, &last);
90
91	return (0);
92}
93
94
95void
96_setauthattr(void)
97{
98	authattr_stayopen = 0;
99	nss_setent(&db_root, _nss_initf_authattr, &context);
100}
101
102
103void
104_endauthattr(void)
105{
106	authattr_stayopen = 0;
107	nss_endent(&db_root, _nss_initf_authattr, &context);
108	nss_delete(&db_root);
109}
110
111
112authstr_t *
113_getauthattr(authstr_t *result, char *buffer, int buflen, int *h_errnop)
114{
115	nss_XbyY_args_t arg;
116	nss_status_t res;
117
118	NSS_XbyY_INIT(&arg, result, buffer, buflen, str2authattr);
119	res = nss_getent(&db_root, _nss_initf_authattr, &context, &arg);
120	arg.status = res;
121	*h_errnop = arg.h_errno;
122	return ((authstr_t *)NSS_XbyY_FINI(&arg));
123}
124
125
126authstr_t *
127_getauthnam(const char *name, authstr_t *result, char *buffer, int buflen,
128    int *errnop)
129{
130	nss_XbyY_args_t arg;
131	nss_status_t    res;
132
133	NSS_XbyY_INIT(&arg, result, buffer, buflen, str2authattr);
134	arg.key.name = name;
135	arg.stayopen = authattr_stayopen;
136	res = nss_search(&db_root, _nss_initf_authattr,
137	    NSS_DBOP_AUTHATTR_BYNAME, &arg);
138	arg.status = res;
139	*errnop = arg.h_errno;
140	return ((authstr_t *)NSS_XbyY_FINI(&arg));
141}
142