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 /*
23 * Copyright (c) 2012 by Delphix. All rights reserved.
24 */
25
26 /*
27 * zhack is a debugging tool that can write changes to ZFS pool using libzpool
28 * for testing purposes. Altering pools with zhack is unsupported and may
29 * result in corrupted pools.
30 */
31
32 #include <stdio.h>
33 #include <stdlib.h>
34 #include <ctype.h>
35 #include <sys/zfs_context.h>
36 #include <sys/spa.h>
37 #include <sys/spa_impl.h>
38 #include <sys/dmu.h>
39 #include <sys/zap.h>
40 #include <sys/zfs_znode.h>
41 #include <sys/dsl_synctask.h>
42 #include <sys/vdev.h>
43 #include <sys/fs/zfs.h>
136 g_readonly = readonly;
137
138 /*
139 * If we only want readonly access, it's OK if we find
140 * a potentially-active (ie, imported into the kernel) pool from the
141 * default cachefile.
142 */
143 if (readonly && spa_open(target, &spa, FTAG) == 0) {
144 spa_close(spa, FTAG);
145 return;
146 }
147
148 g_importargs.unique = B_TRUE;
149 g_importargs.can_be_active = readonly;
150 g_pool = strdup(target);
151 if ((sepp = strpbrk(g_pool, "/@")) != NULL)
152 *sepp = '\0';
153 g_importargs.poolname = g_pool;
154 pools = zpool_search_import(g_zfs, &g_importargs);
155
156 if (pools == NULL || nvlist_next_nvpair(pools, NULL) == NULL) {
157 if (!g_importargs.can_be_active) {
158 g_importargs.can_be_active = B_TRUE;
159 if (zpool_search_import(g_zfs, &g_importargs) != NULL ||
160 spa_open(target, &spa, FTAG) == 0) {
161 fatal("cannot import '%s': pool is active; run "
162 "\"zpool export %s\" first\n",
163 g_pool, g_pool);
164 }
165 }
166
167 fatal("cannot import '%s': no such pool available\n", g_pool);
168 }
169
170 elem = nvlist_next_nvpair(pools, NULL);
171 name = nvpair_name(elem);
172 verify(nvpair_value_nvlist(elem, &config) == 0);
173
174 props = NULL;
175 if (readonly) {
176 verify(nvlist_alloc(&props, NV_UNIQUE_NAME, 0) == 0);
|
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 /*
23 * Copyright (c) 2012 by Delphix. All rights reserved.
24 * Copyright (c) 2013 Steven Hartland. All rights reserved.
25 */
26
27 /*
28 * zhack is a debugging tool that can write changes to ZFS pool using libzpool
29 * for testing purposes. Altering pools with zhack is unsupported and may
30 * result in corrupted pools.
31 */
32
33 #include <stdio.h>
34 #include <stdlib.h>
35 #include <ctype.h>
36 #include <sys/zfs_context.h>
37 #include <sys/spa.h>
38 #include <sys/spa_impl.h>
39 #include <sys/dmu.h>
40 #include <sys/zap.h>
41 #include <sys/zfs_znode.h>
42 #include <sys/dsl_synctask.h>
43 #include <sys/vdev.h>
44 #include <sys/fs/zfs.h>
137 g_readonly = readonly;
138
139 /*
140 * If we only want readonly access, it's OK if we find
141 * a potentially-active (ie, imported into the kernel) pool from the
142 * default cachefile.
143 */
144 if (readonly && spa_open(target, &spa, FTAG) == 0) {
145 spa_close(spa, FTAG);
146 return;
147 }
148
149 g_importargs.unique = B_TRUE;
150 g_importargs.can_be_active = readonly;
151 g_pool = strdup(target);
152 if ((sepp = strpbrk(g_pool, "/@")) != NULL)
153 *sepp = '\0';
154 g_importargs.poolname = g_pool;
155 pools = zpool_search_import(g_zfs, &g_importargs);
156
157 if (nvlist_empty(pools)) {
158 if (!g_importargs.can_be_active) {
159 g_importargs.can_be_active = B_TRUE;
160 if (zpool_search_import(g_zfs, &g_importargs) != NULL ||
161 spa_open(target, &spa, FTAG) == 0) {
162 fatal("cannot import '%s': pool is active; run "
163 "\"zpool export %s\" first\n",
164 g_pool, g_pool);
165 }
166 }
167
168 fatal("cannot import '%s': no such pool available\n", g_pool);
169 }
170
171 elem = nvlist_next_nvpair(pools, NULL);
172 name = nvpair_name(elem);
173 verify(nvpair_value_nvlist(elem, &config) == 0);
174
175 props = NULL;
176 if (readonly) {
177 verify(nvlist_alloc(&props, NV_UNIQUE_NAME, 0) == 0);
|