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 * Copyright 2003 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 #include <errno.h>
28 #include <sys/types.h>
29 #include <nfs/nfs_sec.h>
30 #include <strings.h>
31 #include "libfsmgt.h"
32
33 /*
34 * Public methods
35 */
36
37 /*
38 * Method: nfssec_free_secmode_list
39 *
40 * Description: Frees the space allocated for the security mode list array.
41 *
42 * Parameters:
43 * - char **seclist - the array to be freed.
44 * - int num_elements - the number of elements in the array.
45 *
46 * Returns:
47 * - Nothing
48 */
49 void
nfssec_free_secmode_list(char ** seclist,int num_elements)50 nfssec_free_secmode_list(char **seclist, int num_elements)
51 {
52 fileutil_free_string_array(seclist, num_elements);
53 } /* nfssec_free_secmode_list */
54
55 /*
56 * Method: nfssec_get_default_secmode
57 *
58 * Description: Retrieves the default security mode for NFS.
59 *
60 * Parameters:
61 * - int *errp - the error indicator. This will be set to a non-zero
62 * value upon error.
63 *
64 * Returns:
65 * - char * - the NFS security mode name.
66 * - NULL if an error occurred.
67 *
68 * Note: Caller must free the space allocated for the return value.
69 */
70 char *
nfssec_get_default_secmode(int * errp)71 nfssec_get_default_secmode(int *errp)
72 {
73 seconfig_t secp, defsecp;
74 char *ret_val;
75 int err = 0;
76
77 *errp = 0;
78 err = nfs_getseconfig_default(&secp);
79 if (err != 0) {
80 *errp = err;
81 return (NULL);
82 }
83
84 err = nfs_getseconfig_bynumber(secp.sc_nfsnum, &defsecp);
85 if (err != 0) {
86 *errp = err;
87 return (NULL);
88 }
89
90 ret_val = strdup(defsecp.sc_name);
91 if (ret_val == NULL) {
92 *errp = ENOMEM;
93 return (NULL);
94 }
95
96 return (ret_val);
97 } /* nfssec_get_default_secmode */
98
99 /*
100 * Method: nfssec_get_nfs_secmode_list
101 *
102 * Description: Retrieves a list of the supported NFS security modes from
103 * /etc/nfssec.conf.
104 *
105 * Parameters:
106 * - int *num_elements - integer pointer used to keep track of the number
107 * of elements in the array.
108 * - int *errp - the error indicator. This will be set to a non-zero
109 * value upon error.
110 *
111 * Returns:
112 * - char ** - The array containing the supported security mode names as
113 * elements.
114 * - NULL if an error occurred.
115 *
116 * Note: The space allocated for the return array must be freed by the caller
117 * using nfssec_free_secmode_list.
118 */
119 char **
nfssec_get_nfs_secmode_list(int * num_elements,int * errp)120 nfssec_get_nfs_secmode_list(int *num_elements, int *errp)
121 {
122 FILE *fp;
123 char **seclist = NULL;
124 int err = 0;
125
126 *errp = 0;
127 if ((fp = fopen(NFSSEC_CONF, "r")) == NULL) {
128 /*
129 * The opening of nfssec.conf failed.
130 */
131 *errp = errno;
132 return (NULL);
133 }
134
135 seclist = fileutil_get_first_column_data(fp, num_elements, &err);
136 (void) fclose(fp);
137 if (seclist == NULL) {
138 *errp = err;
139 return (NULL);
140 }
141
142 return (seclist);
143 } /* nfssec_get_nfs_secmode_list */
144