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 #include "mt.h"
28 #include <stdlib.h>
29 #include <sys/types.h>
30 #include <nss_dbdefs.h>
31 #include <string.h>
32 #include <auth_attr.h>
33
34
35 /* externs from parse.c */
36 extern char *_strtok_escape(char *, char *, char **);
37
38 static int authattr_stayopen = 0;
39 /*
40 * Unsynchronized, but it affects only
41 * efficiency, not correctness
42 */
43
44 static DEFINE_NSS_DB_ROOT(db_root);
45 static DEFINE_NSS_GETENT(context);
46
47 void
_nss_initf_authattr(nss_db_params_t * p)48 _nss_initf_authattr(nss_db_params_t *p)
49 {
50 p->name = NSS_DBNAM_AUTHATTR;
51 p->default_config = NSS_DEFCONF_AUTHATTR;
52 }
53
54
55 /*
56 * Return values: 0 = success, 1 = parse error, 2 = erange ...
57 * The structure pointer passed in is a structure in the caller's space
58 * wherein the field pointers would be set to areas in the buffer if
59 * need be. instring and buffer should be separate areas.
60 */
61 int
str2authattr(const char * instr,int lenstr,void * ent,char * buffer,int buflen)62 str2authattr(const char *instr, int lenstr, void *ent, char *buffer, int buflen)
63 {
64 char *last = NULL;
65 char *sep = KV_TOKEN_DELIMIT;
66 authstr_t *auth = (authstr_t *)ent;
67
68 if (lenstr >= buflen)
69 return (NSS_STR_PARSE_ERANGE);
70
71 if (instr != buffer)
72 (void) strncpy(buffer, instr, buflen);
73
74 /*
75 * Remove newline that nis (yp_match) puts at the
76 * end of the entry it retrieves from the map.
77 */
78 if (buffer[lenstr] == '\n')
79 buffer[lenstr] = '\0';
80
81 /* quick exit do not entry fill if not needed */
82 if (ent == (void *)NULL)
83 return (NSS_STR_PARSE_SUCCESS);
84
85 auth->name = _strtok_escape(buffer, sep, &last);
86 auth->res1 = _strtok_escape(NULL, sep, &last);
87 auth->res2 = _strtok_escape(NULL, sep, &last);
88 auth->short_desc = _strtok_escape(NULL, sep, &last);
89 auth->long_desc = _strtok_escape(NULL, sep, &last);
90 auth->attr = _strtok_escape(NULL, sep, &last);
91
92 return (0);
93 }
94
95
96 void
_setauthattr(void)97 _setauthattr(void)
98 {
99 authattr_stayopen = 0;
100 nss_setent(&db_root, _nss_initf_authattr, &context);
101 }
102
103
104 void
_endauthattr(void)105 _endauthattr(void)
106 {
107 authattr_stayopen = 0;
108 nss_endent(&db_root, _nss_initf_authattr, &context);
109 nss_delete(&db_root);
110 }
111
112
113 authstr_t *
_getauthattr(authstr_t * result,char * buffer,int buflen,int * h_errnop)114 _getauthattr(authstr_t *result, char *buffer, int buflen, int *h_errnop)
115 {
116 nss_XbyY_args_t arg;
117 nss_status_t res;
118
119 NSS_XbyY_INIT(&arg, result, buffer, buflen, str2authattr);
120 res = nss_getent(&db_root, _nss_initf_authattr, &context, &arg);
121 arg.status = res;
122 *h_errnop = arg.h_errno;
123 return ((authstr_t *)NSS_XbyY_FINI(&arg));
124 }
125
126
127 authstr_t *
_getauthnam(const char * name,authstr_t * result,char * buffer,int buflen,int * errnop)128 _getauthnam(const char *name, authstr_t *result, char *buffer, int buflen,
129 int *errnop)
130 {
131 nss_XbyY_args_t arg;
132 nss_status_t res;
133
134 NSS_XbyY_INIT(&arg, result, buffer, buflen, str2authattr);
135 arg.key.name = name;
136 arg.stayopen = authattr_stayopen;
137 res = nss_search(&db_root, _nss_initf_authattr,
138 NSS_DBOP_AUTHATTR_BYNAME, &arg);
139 arg.status = res;
140 *errnop = arg.h_errno;
141 return ((authstr_t *)NSS_XbyY_FINI(&arg));
142 }
143