getauuser.c revision 2830:5228d1267a01 
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 <bsm/libbsm.h>
35#include <secdb.h>
36
37
38/* externs from parse.c */
39extern char *_strtok_escape(char *, char *, char **);
40
41static int auuser_stayopen;
42
43/*
44 * Unsynchronized, but it affects only
45 * efficiency, not correctness
46 */
47
48static DEFINE_NSS_DB_ROOT(db_root);
49static DEFINE_NSS_GETENT(context);
50
51
52void
53_nss_initf_auuser(nss_db_params_t *p)
54{
55	p->name	= NSS_DBNAM_AUDITUSER;
56	p->config_name    = NSS_DBNAM_PASSWD;  /* use config for "passwd" */
57	p->default_config = NSS_DEFCONF_AUDITUSER;
58}
59
60
61/*
62 * Return values: 0 = success, 1 = parse error, 2 = erange ...
63 * The structure pointer passed in is a structure in the caller's space
64 * wherein the field pointers would be set to areas in the buffer if
65 * need be. instring and buffer should be separate areas.
66 */
67int
68str2auuser(const char *instr, int lenstr, void *ent, char *buffer, int buflen)
69{
70	char		*last = NULL;
71	char		*sep = KV_TOKEN_DELIMIT;
72	au_user_str_t	*au_user = (au_user_str_t *)ent;
73
74	if (lenstr >= buflen)
75		return (NSS_STR_PARSE_ERANGE);
76
77	if (instr != buffer)
78		(void) strncpy(buffer, instr, buflen);
79
80	/*
81	 * Remove newline that nis (yp_match) puts at the
82	 * end of the entry it retrieves from the map.
83	 */
84	if (buffer[lenstr] == '\n') {
85		buffer[lenstr] = '\0';
86	}
87
88	/* quick exit do not entry fill if not needed */
89	if (ent == (void *)NULL)
90		return (NSS_STR_PARSE_SUCCESS);
91
92	au_user->au_name = _strtok_escape(buffer, sep, &last);
93	au_user->au_always = _strtok_escape(NULL, sep, &last);
94	au_user->au_never = _strtok_escape(NULL, sep, &last);
95
96	return (0);
97}
98
99
100void
101_setauuser(void)
102{
103	auuser_stayopen = 0;
104	nss_setent(&db_root, _nss_initf_auuser, &context);
105}
106
107
108int
109_endauuser(void)
110{
111	auuser_stayopen = 0;
112	nss_endent(&db_root, _nss_initf_auuser, &context);
113	nss_delete(&db_root);
114	return (0);
115}
116
117
118au_user_str_t *
119_getauuserent(au_user_str_t *result, char *buffer, int buflen, int *h_errnop)
120{
121	nss_XbyY_args_t arg;
122	nss_status_t    res;
123
124	NSS_XbyY_INIT(&arg, result, buffer, buflen, str2auuser);
125	res = nss_getent(&db_root, _nss_initf_auuser, &context, &arg);
126	arg.status = res;
127	*h_errnop = arg.h_errno;
128	return ((au_user_str_t *)NSS_XbyY_FINI(&arg));
129}
130
131
132au_user_str_t *
133_getauusernam(const char *name, au_user_str_t *result, char *buffer,
134    int buflen, int *errnop)
135{
136	nss_XbyY_args_t arg;
137	nss_status_t    res;
138
139	if (result == NULL) {
140		*errnop = AUDITUSER_PARSE_ERANGE;
141		return (NULL);
142	}
143	NSS_XbyY_INIT(&arg, result, buffer, buflen, str2auuser);
144	arg.key.name = name;
145	arg.stayopen = auuser_stayopen;
146	arg.h_errno = AUDITUSER_NOT_FOUND;
147	res = nss_search(&db_root, _nss_initf_auuser,
148	    NSS_DBOP_AUDITUSER_BYNAME, &arg);
149	arg.status = res;
150	*errnop = arg.h_errno;
151	return ((au_user_str_t *)NSS_XbyY_FINI(&arg));
152}
153