xref: /illumos-gate/usr/src/lib/libsecdb/common/getuserattr.c (revision 1da57d551424de5a9d469760be7c4b4d4f10a755)
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 #include <sys/types.h>
27 #include <sys/mman.h>
28 #include <stdio.h>
29 #include <string.h>
30 #include <stdlib.h>
31 #include <nss_dbdefs.h>
32 #include <user_attr.h>
33 #include <getxby_door.h>
34 #include <pwd.h>
35 
36 
37 /* Externs from libnsl */
38 extern userstr_t *_getusernam(const char *, userstr_t *, char *, int, int *);
39 extern userstr_t *_getuserattr(userstr_t *, char *, int, int *);
40 extern userstr_t *_fgetuserattr(FILE *, userstr_t *, char *, int);
41 extern void _setuserattr(void);
42 extern void _enduserattr(void);
43 
44 
45 static userattr_t *userstr2attr(userstr_t *);
46 
47 
48 userattr_t *
getuserattr()49 getuserattr()
50 {
51 	int		err = 0;
52 	char		buf[NSS_BUFLEN_USERATTR];
53 	userstr_t	user;
54 	userstr_t	*tmp;
55 
56 	(void) memset(&user, 0, sizeof (userattr_t));
57 	tmp = _getuserattr(&user, buf, NSS_BUFLEN_USERATTR, &err);
58 	return (userstr2attr(tmp));
59 }
60 
61 
62 userattr_t *
fgetuserattr(FILE * f)63 fgetuserattr(FILE *f)
64 {
65 	char		buf[NSS_BUFLEN_USERATTR];
66 	userstr_t	user;
67 	userstr_t	*tmp;
68 
69 	(void) memset(&user, 0, sizeof (userattr_t));
70 	tmp = _fgetuserattr(f, &user, buf, NSS_BUFLEN_USERATTR);
71 	return (userstr2attr(tmp));
72 }
73 
74 
75 userattr_t *
getusernam(const char * name)76 getusernam(const char *name)
77 {
78 	int		err = 0;
79 	char		buf[NSS_BUFLEN_USERATTR];
80 	userstr_t	user;
81 	userstr_t	*resptr = (userstr_t *)NULL;
82 
83 	resptr = _getusernam(name, &user, buf, NSS_BUFLEN_USERATTR, &err);
84 
85 	return (userstr2attr(resptr));
86 
87 }
88 
89 
90 userattr_t *
getuseruid(uid_t u)91 getuseruid(uid_t u)
92 {
93 	struct	passwd pwd;
94 	char	buf[NSS_BUFLEN_PASSWD];
95 
96 	if (getpwuid_r(u, &pwd, buf, NSS_BUFLEN_PASSWD) == NULL)
97 		return ((userattr_t *)NULL);
98 	return (getusernam(pwd.pw_name));
99 }
100 
101 
102 void
setuserattr()103 setuserattr()
104 {
105 	_setuserattr();
106 }
107 
108 
109 void
enduserattr()110 enduserattr()
111 {
112 	_enduserattr();
113 }
114 
115 
116 void
free_userattr(userattr_t * user)117 free_userattr(userattr_t *user)
118 {
119 	if (user) {
120 		free(user->name);
121 		free(user->qualifier);
122 		free(user->res1);
123 		free(user->res2);
124 		_kva_free(user->attr);
125 		free(user);
126 	}
127 }
128 
129 
130 static userattr_t *
userstr2attr(userstr_t * user)131 userstr2attr(userstr_t *user)
132 {
133 	userattr_t *newuser;
134 
135 	if (user == NULL)
136 		return ((userattr_t *)NULL);
137 
138 	if ((newuser = (userattr_t *)malloc(sizeof (userattr_t))) == NULL)
139 		return ((userattr_t *)NULL);
140 
141 	newuser->name = _do_unescape(user->name);
142 	newuser->qualifier = _do_unescape(user->qualifier);
143 	newuser->res1 = _do_unescape(user->res1);
144 	newuser->res2 = _do_unescape(user->res2);
145 	newuser->attr = _str2kva(user->attr, KV_ASSIGN, KV_DELIMITER);
146 	return (newuser);
147 }
148 
149 
150 #ifdef DEBUG
151 void
print_userattr(userattr_t * user)152 print_userattr(userattr_t *user)
153 {
154 	extern void print_kva(kva_t *);
155 	char *empty = "empty";
156 
157 	if (user == NULL) {
158 		printf("NULL\n");
159 		return;
160 	}
161 
162 	printf("name=%s\n", user->name ? user->name : empty);
163 	printf("qualifier=%s\n", user->qualifier ? user->qualifier : empty);
164 	printf("res1=%s\n", user->res1 ? user->res1 : empty);
165 	printf("res2=%s\n", user->res2 ? user->res2 : empty);
166 	printf("attr=\n");
167 	print_kva(user->attr);
168 	fflush(stdout);
169 }
170 #endif  /* DEBUG */
171