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 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <errno.h> 30 #include <sys/types.h> 31 #include <nfs/nfs_sec.h> 32 #include <strings.h> 33 #include "libfsmgt.h" 34 35 /* 36 * Public methods 37 */ 38 39 /* 40 * Method: nfssec_free_secmode_list 41 * 42 * Description: Frees the space allocated for the security mode list array. 43 * 44 * Parameters: 45 * - char **seclist - the array to be freed. 46 * - int num_elements - the number of elements in the array. 47 * 48 * Returns: 49 * - Nothing 50 */ 51 void 52 nfssec_free_secmode_list(char **seclist, int num_elements) 53 { 54 fileutil_free_string_array(seclist, num_elements); 55 } /* nfssec_free_secmode_list */ 56 57 /* 58 * Method: nfssec_get_default_secmode 59 * 60 * Description: Retrieves the default security mode for NFS. 61 * 62 * Parameters: 63 * - int *errp - the error indicator. This will be set to a non-zero 64 * value upon error. 65 * 66 * Returns: 67 * - char * - the NFS security mode name. 68 * - NULL if an error occurred. 69 * 70 * Note: Caller must free the space allocated for the return value. 71 */ 72 char * 73 nfssec_get_default_secmode(int *errp) 74 { 75 seconfig_t secp, defsecp; 76 char *ret_val; 77 int err = 0; 78 79 *errp = 0; 80 err = nfs_getseconfig_default(&secp); 81 if (err != 0) { 82 *errp = err; 83 return (NULL); 84 } 85 86 err = nfs_getseconfig_bynumber(secp.sc_nfsnum, &defsecp); 87 if (err != 0) { 88 *errp = err; 89 return (NULL); 90 } 91 92 ret_val = strdup(defsecp.sc_name); 93 if (ret_val == NULL) { 94 *errp = ENOMEM; 95 return (NULL); 96 } 97 98 return (ret_val); 99 } /* nfssec_get_default_secmode */ 100 101 /* 102 * Method: nfssec_get_nfs_secmode_list 103 * 104 * Description: Retrieves a list of the supported NFS security modes from 105 * /etc/nfssec.conf. 106 * 107 * Parameters: 108 * - int *num_elements - integer pointer used to keep track of the number 109 * of elements in the array. 110 * - int *errp - the error indicator. This will be set to a non-zero 111 * value upon error. 112 * 113 * Returns: 114 * - char ** - The array containing the supported security mode names as 115 * elements. 116 * - NULL if an error occurred. 117 * 118 * Note: The space allocated for the return array must be freed by the caller 119 * using nfssec_free_secmode_list. 120 */ 121 char ** 122 nfssec_get_nfs_secmode_list(int *num_elements, int *errp) 123 { 124 FILE *fp; 125 char **seclist = NULL; 126 int err = 0; 127 128 *errp = 0; 129 if ((fp = fopen(NFSSEC_CONF, "r")) == NULL) { 130 /* 131 * The opening of nfssec.conf failed. 132 */ 133 *errp = errno; 134 return (NULL); 135 } 136 137 seclist = fileutil_get_first_column_data(fp, num_elements, &err); 138 (void) fclose(fp); 139 if (seclist == NULL) { 140 *errp = err; 141 return (NULL); 142 } 143 144 return (seclist); 145 } /* nfssec_get_nfs_secmode_list */ 146