getuserattr.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 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26#pragma ident	"%Z%%M%	%I%	%E% SMI"
27
28#include <sys/types.h>
29#include <sys/mman.h>
30#include <stdio.h>
31#include <string.h>
32#include <stdlib.h>
33#include <nss_dbdefs.h>
34#include <user_attr.h>
35#include <getxby_door.h>
36#include <pwd.h>
37
38
39/* Externs from libnsl */
40extern userstr_t *_getusernam(const char *, userstr_t *, char *, int, int *);
41extern userstr_t *_getuserattr(userstr_t *, char *, int, int *);
42extern userstr_t *_fgetuserattr(FILE *, userstr_t *, char *, int);
43extern void _setuserattr(void);
44extern void _enduserattr(void);
45
46
47static userattr_t *userstr2attr(userstr_t *);
48
49
50userattr_t *
51getuserattr()
52{
53	int		err = 0;
54	char		buf[NSS_BUFLEN_USERATTR];
55	userstr_t	user;
56	userstr_t	*tmp;
57
58	(void) memset(&user, 0, sizeof (userattr_t));
59	tmp = _getuserattr(&user, buf, NSS_BUFLEN_USERATTR, &err);
60	return (userstr2attr(tmp));
61}
62
63
64userattr_t *
65fgetuserattr(FILE *f)
66{
67	char		buf[NSS_BUFLEN_USERATTR];
68	userstr_t	user;
69	userstr_t	*tmp;
70
71	(void) memset(&user, 0, sizeof (userattr_t));
72	tmp = _fgetuserattr(f, &user, buf, NSS_BUFLEN_USERATTR);
73	return (userstr2attr(tmp));
74}
75
76
77userattr_t *
78getusernam(const char *name)
79{
80	int		err = 0;
81	char		buf[NSS_BUFLEN_USERATTR];
82	userstr_t	user;
83	userstr_t	*resptr = (userstr_t *)NULL;
84
85	resptr = _getusernam(name, &user, buf, NSS_BUFLEN_USERATTR, &err);
86
87	return (userstr2attr(resptr));
88
89}
90
91
92userattr_t *
93getuseruid(uid_t u)
94{
95	struct	passwd pwd;
96	char	buf[NSS_BUFLEN_PASSWD];
97
98	if (getpwuid_r(u, &pwd, buf, NSS_BUFLEN_PASSWD) == NULL)
99		return ((userattr_t *)NULL);
100	return (getusernam(pwd.pw_name));
101}
102
103
104void
105setuserattr()
106{
107	_setuserattr();
108}
109
110
111void
112enduserattr()
113{
114	_enduserattr();
115}
116
117
118void
119free_userattr(userattr_t *user)
120{
121	if (user) {
122		free(user->name);
123		free(user->qualifier);
124		free(user->res1);
125		free(user->res2);
126		_kva_free(user->attr);
127		free(user);
128	}
129}
130
131
132static userattr_t *
133userstr2attr(userstr_t *user)
134{
135	userattr_t *newuser;
136
137	if (user == NULL)
138		return ((userattr_t *)NULL);
139
140	if ((newuser = (userattr_t *)malloc(sizeof (userattr_t))) == NULL)
141		return ((userattr_t *)NULL);
142
143	newuser->name = _do_unescape(user->name);
144	newuser->qualifier = _do_unescape(user->qualifier);
145	newuser->res1 = _do_unescape(user->res1);
146	newuser->res2 = _do_unescape(user->res2);
147	newuser->attr = _str2kva(user->attr, KV_ASSIGN, KV_DELIMITER);
148	return (newuser);
149}
150
151
152#ifdef DEBUG
153void
154print_userattr(userattr_t *user)
155{
156	extern void print_kva(kva_t *);
157	char *empty = "empty";
158
159	if (user == NULL) {
160		printf("NULL\n");
161		return;
162	}
163
164	printf("name=%s\n", user->name ? user->name : empty);
165	printf("qualifier=%s\n", user->qualifier ? user->qualifier : empty);
166	printf("res1=%s\n", user->res1 ? user->res1 : empty);
167	printf("res2=%s\n", user->res2 ? user->res2 : empty);
168	printf("attr=\n");
169	print_kva(user->attr);
170	fflush(stdout);
171}
172#endif  /* DEBUG */
173