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 <fcntl.h> 29 #include <stdio.h> 30 #include <stdlib.h> 31 #include <sys/types.h> 32 #include <unistd.h> 33 #include <libintl.h> 34 #include <locale.h> 35 #include <string.h> 36 #include <libzfs.h> 37 #include <errno.h> 38 39 static void 40 usage(void) 41 { 42 (void) fprintf(stderr, gettext("Usage: fstype [-v] <device>\n")); 43 exit(1); 44 } 45 46 static void 47 dump_nvlist(nvlist_t *list, int indent) 48 { 49 nvpair_t *elem = NULL; 50 51 while ((elem = nvlist_next_nvpair(list, elem)) != NULL) { 52 switch (nvpair_type(elem)) { 53 case DATA_TYPE_STRING: 54 { 55 char *value; 56 57 verify(nvpair_value_string(elem, &value) == 0); 58 (void) printf("%*s%s='%s'\n", indent, "", 59 nvpair_name(elem), value); 60 } 61 break; 62 63 case DATA_TYPE_UINT64: 64 { 65 uint64_t value; 66 67 verify(nvpair_value_uint64(elem, &value) == 0); 68 (void) printf("%*s%s=%llu\n", indent, "", 69 nvpair_name(elem), (u_longlong_t)value); 70 } 71 break; 72 73 case DATA_TYPE_NVLIST: 74 { 75 nvlist_t *value; 76 77 verify(nvpair_value_nvlist(elem, &value) == 0); 78 (void) printf("%*s%s\n", indent, "", 79 nvpair_name(elem)); 80 dump_nvlist(value, indent + 4); 81 } 82 break; 83 84 case DATA_TYPE_NVLIST_ARRAY: 85 { 86 nvlist_t **value; 87 uint_t c, count; 88 89 verify(nvpair_value_nvlist_array(elem, &value, 90 &count) == 0); 91 92 for (c = 0; c < count; c++) { 93 (void) printf("%*s%s[%u]\n", indent, "", 94 nvpair_name(elem), c); 95 dump_nvlist(value[c], indent + 8); 96 } 97 } 98 break; 99 100 default: 101 102 (void) printf("bad config type %d for %s\n", 103 nvpair_type(elem), nvpair_name(elem)); 104 } 105 } 106 } 107 108 int 109 main(int argc, char **argv) 110 { 111 int c, fd; 112 int verbose = 0; 113 nvlist_t *config; 114 uint64_t state; 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 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE, 149 &state) != 0 || state == POOL_STATE_DESTROYED) 150 return (1); 151 152 (void) printf("zfs\n"); 153 154 if (verbose) 155 dump_nvlist(config, 4); 156 157 (void) close(fd); 158 159 return (0); 160 } 161