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 2005 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 <fcntl.h> 30 #include <stdio.h> 31 #include <stdlib.h> 32 #include <sys/types.h> 33 #include <unistd.h> 34 #include <libintl.h> 35 #include <locale.h> 36 #include <string.h> 37 #include <libzfs.h> 38 #include <errno.h> 39 40 static void 41 usage(void) 42 { 43 (void) fprintf(stderr, gettext("Usage: fstype [-v] <device>\n")); 44 exit(1); 45 } 46 47 static void 48 dump_nvlist(nvlist_t *list, int indent) 49 { 50 nvpair_t *elem = NULL; 51 52 while ((elem = nvlist_next_nvpair(list, elem)) != NULL) { 53 switch (nvpair_type(elem)) { 54 case DATA_TYPE_STRING: 55 { 56 char *value; 57 58 verify(nvpair_value_string(elem, &value) == 0); 59 (void) printf("%*s%s='%s'\n", indent, "", 60 nvpair_name(elem), value); 61 } 62 break; 63 64 case DATA_TYPE_UINT64: 65 { 66 uint64_t value; 67 68 verify(nvpair_value_uint64(elem, &value) == 0); 69 (void) printf("%*s%s=%llu\n", indent, "", 70 nvpair_name(elem), (u_longlong_t)value); 71 } 72 break; 73 74 case DATA_TYPE_NVLIST: 75 { 76 nvlist_t *value; 77 78 verify(nvpair_value_nvlist(elem, &value) == 0); 79 (void) printf("%*s%s\n", indent, "", 80 nvpair_name(elem)); 81 dump_nvlist(value, indent + 4); 82 } 83 break; 84 85 case DATA_TYPE_NVLIST_ARRAY: 86 { 87 nvlist_t **value; 88 uint_t c, count; 89 90 verify(nvpair_value_nvlist_array(elem, &value, 91 &count) == 0); 92 93 for (c = 0; c < count; c++) { 94 (void) printf("%*s%s[%u]\n", indent, "", 95 nvpair_name(elem), c); 96 dump_nvlist(value[c], indent + 8); 97 } 98 } 99 break; 100 101 default: 102 103 (void) printf("bad config type %d for %s\n", 104 nvpair_type(elem), nvpair_name(elem)); 105 } 106 } 107 } 108 109 int 110 main(int argc, char **argv) 111 { 112 int c, fd; 113 int verbose = 0; 114 nvlist_t *config; 115 116 (void) setlocale(LC_ALL, ""); 117 118 #if !defined(TEXT_DOMAIN) 119 #define TEXT_DOMAIN "SYS_TEST" 120 #endif 121 (void) textdomain(TEXT_DOMAIN); 122 123 while ((c = getopt(argc, argv, "v")) != -1) { 124 switch (c) { 125 case 'v': 126 verbose = 1; 127 break; 128 default: 129 usage(); 130 break; 131 } 132 } 133 134 argv += optind; 135 argc -= optind; 136 137 if (argc != 1) 138 usage(); 139 140 if ((fd = open64(argv[0], O_RDONLY)) < 0) { 141 perror("open64"); 142 return (1); 143 } 144 145 if ((config = zpool_read_label(fd)) == NULL) 146 return (1); 147 148 (void) printf("zfs\n"); 149 150 if (verbose) 151 dump_nvlist(config, 4); 152 153 (void) close(fd); 154 155 return (0); 156 } 157