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