xref: /freebsd-src/sys/contrib/openzfs/cmd/zfs_ids_to_path.c (revision 271171e0d97b88ba2a7c3bf750c9672b484c1c13)
1716fd348SMartin Matuska /*
2716fd348SMartin Matuska  * CDDL HEADER START
3716fd348SMartin Matuska  *
4716fd348SMartin Matuska  * The contents of this file are subject to the terms of the
5716fd348SMartin Matuska  * Common Development and Distribution License (the "License").
6716fd348SMartin Matuska  * You may not use this file except in compliance with the License.
7716fd348SMartin Matuska  *
8716fd348SMartin Matuska  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*271171e0SMartin Matuska  * or https://opensource.org/licenses/CDDL-1.0.
10716fd348SMartin Matuska  * See the License for the specific language governing permissions
11716fd348SMartin Matuska  * and limitations under the License.
12716fd348SMartin Matuska  *
13716fd348SMartin Matuska  * When distributing Covered Code, include this CDDL HEADER in each
14716fd348SMartin Matuska  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15716fd348SMartin Matuska  * If applicable, add the following below this CDDL HEADER, with the
16716fd348SMartin Matuska  * fields enclosed by brackets "[]" replaced with your own identifying
17716fd348SMartin Matuska  * information: Portions Copyright [yyyy] [name of copyright owner]
18716fd348SMartin Matuska  *
19716fd348SMartin Matuska  * CDDL HEADER END
20716fd348SMartin Matuska  */
21716fd348SMartin Matuska /*
22716fd348SMartin Matuska  * Copyright (c) 2019 by Delphix. All rights reserved.
23716fd348SMartin Matuska  */
24716fd348SMartin Matuska #include <libintl.h>
25716fd348SMartin Matuska #include <unistd.h>
26716fd348SMartin Matuska #include <sys/types.h>
27716fd348SMartin Matuska #include <stdint.h>
28716fd348SMartin Matuska #include <libzfs.h>
29716fd348SMartin Matuska #include <stdio.h>
30716fd348SMartin Matuska #include <stdlib.h>
31716fd348SMartin Matuska #include <errno.h>
32716fd348SMartin Matuska 
33716fd348SMartin Matuska libzfs_handle_t *g_zfs;
34716fd348SMartin Matuska 
35716fd348SMartin Matuska static void
usage(int err)36716fd348SMartin Matuska usage(int err)
37716fd348SMartin Matuska {
38716fd348SMartin Matuska 	fprintf(stderr, "Usage: zfs_ids_to_path [-v] <pool> <objset id> "
39716fd348SMartin Matuska 	    "<object id>\n");
40716fd348SMartin Matuska 	exit(err);
41716fd348SMartin Matuska }
42716fd348SMartin Matuska 
43716fd348SMartin Matuska int
main(int argc,char ** argv)44716fd348SMartin Matuska main(int argc, char **argv)
45716fd348SMartin Matuska {
46716fd348SMartin Matuska 	boolean_t verbose = B_FALSE;
47716fd348SMartin Matuska 	int c;
48716fd348SMartin Matuska 	while ((c = getopt(argc, argv, "v")) != -1) {
49716fd348SMartin Matuska 		switch (c) {
50716fd348SMartin Matuska 		case 'v':
51716fd348SMartin Matuska 			verbose = B_TRUE;
52716fd348SMartin Matuska 			break;
53716fd348SMartin Matuska 		}
54716fd348SMartin Matuska 	}
55716fd348SMartin Matuska 	argc -= optind;
56716fd348SMartin Matuska 	argv += optind;
57716fd348SMartin Matuska 
58716fd348SMartin Matuska 	if (argc != 3) {
59716fd348SMartin Matuska 		(void) fprintf(stderr, "Incorrect number of arguments: %d\n",
60716fd348SMartin Matuska 		    argc);
61716fd348SMartin Matuska 		usage(1);
62716fd348SMartin Matuska 	}
63716fd348SMartin Matuska 
64716fd348SMartin Matuska 	uint64_t objset, object;
65716fd348SMartin Matuska 	if (sscanf(argv[1], "%llu", (u_longlong_t *)&objset) != 1) {
66716fd348SMartin Matuska 		(void) fprintf(stderr, "Invalid objset id: %s\n", argv[1]);
67716fd348SMartin Matuska 		usage(2);
68716fd348SMartin Matuska 	}
69716fd348SMartin Matuska 	if (sscanf(argv[2], "%llu", (u_longlong_t *)&object) != 1) {
70716fd348SMartin Matuska 		(void) fprintf(stderr, "Invalid object id: %s\n", argv[2]);
71716fd348SMartin Matuska 		usage(3);
72716fd348SMartin Matuska 	}
73716fd348SMartin Matuska 	if ((g_zfs = libzfs_init()) == NULL) {
74716fd348SMartin Matuska 		(void) fprintf(stderr, "%s\n", libzfs_error_init(errno));
75716fd348SMartin Matuska 		return (4);
76716fd348SMartin Matuska 	}
77716fd348SMartin Matuska 	zpool_handle_t *pool = zpool_open(g_zfs, argv[0]);
78716fd348SMartin Matuska 	if (pool == NULL) {
79716fd348SMartin Matuska 		fprintf(stderr, "Could not open pool %s\n", argv[0]);
80716fd348SMartin Matuska 		libzfs_fini(g_zfs);
81716fd348SMartin Matuska 		return (5);
82716fd348SMartin Matuska 	}
83716fd348SMartin Matuska 
84716fd348SMartin Matuska 	char pathname[PATH_MAX * 2];
85716fd348SMartin Matuska 	if (verbose) {
86716fd348SMartin Matuska 		zpool_obj_to_path_ds(pool, objset, object, pathname,
87716fd348SMartin Matuska 		    sizeof (pathname));
88716fd348SMartin Matuska 	} else {
89716fd348SMartin Matuska 		zpool_obj_to_path(pool, objset, object, pathname,
90716fd348SMartin Matuska 		    sizeof (pathname));
91716fd348SMartin Matuska 	}
92716fd348SMartin Matuska 	printf("%s\n", pathname);
93716fd348SMartin Matuska 	zpool_close(pool);
94716fd348SMartin Matuska 	libzfs_fini(g_zfs);
95716fd348SMartin Matuska 	return (0);
96716fd348SMartin Matuska }
97