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 */
38 extern char *_strtok_escape(char *, char *, char **);
39
40 static int authattr_stayopen = 0;
41 /*
42 * Unsynchronized, but it affects only
43 * efficiency, not correctness
44 */
45
46 static DEFINE_NSS_DB_ROOT(db_root);
47 static DEFINE_NSS_GETENT(context);
48
49 void
_nss_initf_authattr(nss_db_params_t * p)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 */
63 int
str2authattr(const char * instr,int lenstr,void * ent,char * buffer,int buflen)64 str2authattr(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
98 void
_setauthattr(void)99 _setauthattr(void)
100 {
101 authattr_stayopen = 0;
102 nss_setent(&db_root, _nss_initf_authattr, &context);
103 }
104
105
106 void
_endauthattr(void)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
115 authstr_t *
_getauthattr(authstr_t * result,char * buffer,int buflen,int * h_errnop)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
129 authstr_t *
_getauthnam(const char * name,authstr_t * result,char * buffer,int buflen,int * errnop)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