1e4b0a90eSBrooks Davis /*-
24d846d26SWarner Losh * SPDX-License-Identifier: BSD-2-Clause
3e4b0a90eSBrooks Davis *
4e4b0a90eSBrooks Davis * Copyright (c) 2004-2005 Pawel Jakub Dawidek <pjd@FreeBSD.org>
5e4b0a90eSBrooks Davis * All rights reserved.
6e4b0a90eSBrooks Davis *
7e4b0a90eSBrooks Davis * Redistribution and use in source and binary forms, with or without
8e4b0a90eSBrooks Davis * modification, are permitted provided that the following conditions
9e4b0a90eSBrooks Davis * are met:
10e4b0a90eSBrooks Davis * 1. Redistributions of source code must retain the above copyright
11e4b0a90eSBrooks Davis * notice, this list of conditions and the following disclaimer.
12e4b0a90eSBrooks Davis * 2. Redistributions in binary form must reproduce the above copyright
13e4b0a90eSBrooks Davis * notice, this list of conditions and the following disclaimer in the
14e4b0a90eSBrooks Davis * documentation and/or other materials provided with the distribution.
15e4b0a90eSBrooks Davis *
16e4b0a90eSBrooks Davis * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
17e4b0a90eSBrooks Davis * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18e4b0a90eSBrooks Davis * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19e4b0a90eSBrooks Davis * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
20e4b0a90eSBrooks Davis * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21e4b0a90eSBrooks Davis * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22e4b0a90eSBrooks Davis * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23e4b0a90eSBrooks Davis * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24e4b0a90eSBrooks Davis * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25e4b0a90eSBrooks Davis * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26e4b0a90eSBrooks Davis * SUCH DAMAGE.
27e4b0a90eSBrooks Davis */
28e4b0a90eSBrooks Davis
29e4b0a90eSBrooks Davis #include <sys/param.h>
30e4b0a90eSBrooks Davis #include <errno.h>
31e4b0a90eSBrooks Davis #include <stdio.h>
32e4b0a90eSBrooks Davis #include <stdlib.h>
33e4b0a90eSBrooks Davis #include <string.h>
34e4b0a90eSBrooks Davis #include <strings.h>
35e4b0a90eSBrooks Davis #include <assert.h>
36e4b0a90eSBrooks Davis #include <libgeom.h>
37e4b0a90eSBrooks Davis #include <geom/label/g_label.h>
38e4b0a90eSBrooks Davis
39e4b0a90eSBrooks Davis #include "core/geom.h"
40e4b0a90eSBrooks Davis #include "misc/subr.h"
41e4b0a90eSBrooks Davis
42e4b0a90eSBrooks Davis #ifdef STATIC_GEOM_CLASSES
43e4b0a90eSBrooks Davis #define PUBSYM(x) glabel_##x
44e4b0a90eSBrooks Davis #else
45e4b0a90eSBrooks Davis #define PUBSYM(x) x
46e4b0a90eSBrooks Davis #endif
47e4b0a90eSBrooks Davis
48e4b0a90eSBrooks Davis uint32_t PUBSYM(lib_version) = G_LIB_VERSION;
49e4b0a90eSBrooks Davis uint32_t PUBSYM(version) = G_LABEL_VERSION;
50e4b0a90eSBrooks Davis
51e4b0a90eSBrooks Davis static void label_main(struct gctl_req *req, unsigned flags);
52e4b0a90eSBrooks Davis static void label_clear(struct gctl_req *req);
53e4b0a90eSBrooks Davis static void label_dump(struct gctl_req *req);
54e4b0a90eSBrooks Davis static void label_label(struct gctl_req *req);
55e4b0a90eSBrooks Davis static void label_refresh(struct gctl_req *req);
56e4b0a90eSBrooks Davis
57e4b0a90eSBrooks Davis struct g_command PUBSYM(class_commands)[] = {
58e4b0a90eSBrooks Davis { "clear", G_FLAG_VERBOSE, label_main, G_NULL_OPTS,
59e4b0a90eSBrooks Davis "[-v] dev ..."
60e4b0a90eSBrooks Davis },
61e4b0a90eSBrooks Davis { "create", G_FLAG_VERBOSE | G_FLAG_LOADKLD, NULL, G_NULL_OPTS,
62e4b0a90eSBrooks Davis "[-v] name dev"
63e4b0a90eSBrooks Davis },
64e4b0a90eSBrooks Davis { "destroy", G_FLAG_VERBOSE, NULL,
65e4b0a90eSBrooks Davis {
66e4b0a90eSBrooks Davis { 'f', "force", NULL, G_TYPE_BOOL },
67e4b0a90eSBrooks Davis G_OPT_SENTINEL
68e4b0a90eSBrooks Davis },
69e4b0a90eSBrooks Davis "[-fv] name ..."
70e4b0a90eSBrooks Davis },
71e4b0a90eSBrooks Davis { "dump", 0, label_main, G_NULL_OPTS,
72e4b0a90eSBrooks Davis "dev ..."
73e4b0a90eSBrooks Davis },
74e4b0a90eSBrooks Davis { "label", G_FLAG_VERBOSE | G_FLAG_LOADKLD, label_main, G_NULL_OPTS,
75e4b0a90eSBrooks Davis "[-v] name dev"
76e4b0a90eSBrooks Davis },
77e4b0a90eSBrooks Davis { "refresh", 0, label_main, G_NULL_OPTS,
78e4b0a90eSBrooks Davis "dev ..."
79e4b0a90eSBrooks Davis },
80e4b0a90eSBrooks Davis { "stop", G_FLAG_VERBOSE, NULL,
81e4b0a90eSBrooks Davis {
82e4b0a90eSBrooks Davis { 'f', "force", NULL, G_TYPE_BOOL },
83e4b0a90eSBrooks Davis G_OPT_SENTINEL
84e4b0a90eSBrooks Davis },
85e4b0a90eSBrooks Davis "[-fv] name ..."
86e4b0a90eSBrooks Davis },
87e4b0a90eSBrooks Davis G_CMD_SENTINEL
88e4b0a90eSBrooks Davis };
89e4b0a90eSBrooks Davis
90e4b0a90eSBrooks Davis static int verbose = 0;
91e4b0a90eSBrooks Davis
92e4b0a90eSBrooks Davis static void
label_main(struct gctl_req * req,unsigned flags)93e4b0a90eSBrooks Davis label_main(struct gctl_req *req, unsigned flags)
94e4b0a90eSBrooks Davis {
95e4b0a90eSBrooks Davis const char *name;
96e4b0a90eSBrooks Davis
97e4b0a90eSBrooks Davis if ((flags & G_FLAG_VERBOSE) != 0)
98e4b0a90eSBrooks Davis verbose = 1;
99e4b0a90eSBrooks Davis
100e4b0a90eSBrooks Davis name = gctl_get_ascii(req, "verb");
101e4b0a90eSBrooks Davis if (name == NULL) {
102e4b0a90eSBrooks Davis gctl_error(req, "No '%s' argument.", "verb");
103e4b0a90eSBrooks Davis return;
104e4b0a90eSBrooks Davis }
105e4b0a90eSBrooks Davis if (strcmp(name, "label") == 0)
106e4b0a90eSBrooks Davis label_label(req);
107e4b0a90eSBrooks Davis else if (strcmp(name, "clear") == 0)
108e4b0a90eSBrooks Davis label_clear(req);
109e4b0a90eSBrooks Davis else if (strcmp(name, "dump") == 0)
110e4b0a90eSBrooks Davis label_dump(req);
111e4b0a90eSBrooks Davis else if (strcmp(name, "refresh") == 0)
112e4b0a90eSBrooks Davis label_refresh(req);
113e4b0a90eSBrooks Davis else
114e4b0a90eSBrooks Davis gctl_error(req, "Unknown command: %s.", name);
115e4b0a90eSBrooks Davis }
116e4b0a90eSBrooks Davis
117e4b0a90eSBrooks Davis static void
label_label(struct gctl_req * req)118e4b0a90eSBrooks Davis label_label(struct gctl_req *req)
119e4b0a90eSBrooks Davis {
120e4b0a90eSBrooks Davis struct g_label_metadata md;
121e4b0a90eSBrooks Davis const char *name, *label;
122e4b0a90eSBrooks Davis u_char sector[512];
123e4b0a90eSBrooks Davis int error, nargs;
124e4b0a90eSBrooks Davis
125e4b0a90eSBrooks Davis bzero(sector, sizeof(sector));
126e4b0a90eSBrooks Davis nargs = gctl_get_int(req, "nargs");
127e4b0a90eSBrooks Davis if (nargs != 2) {
128e4b0a90eSBrooks Davis gctl_error(req, "Invalid number of arguments.");
129e4b0a90eSBrooks Davis return;
130e4b0a90eSBrooks Davis }
131e4b0a90eSBrooks Davis
132e4b0a90eSBrooks Davis /*
133e4b0a90eSBrooks Davis * Clear last sector first to spoil all components if device exists.
134e4b0a90eSBrooks Davis */
135e4b0a90eSBrooks Davis name = gctl_get_ascii(req, "arg1");
136e4b0a90eSBrooks Davis error = g_metadata_clear(name, NULL);
137e4b0a90eSBrooks Davis if (error != 0) {
138e4b0a90eSBrooks Davis gctl_error(req, "Can't store metadata on %s: %s.", name,
139e4b0a90eSBrooks Davis strerror(error));
140e4b0a90eSBrooks Davis return;
141e4b0a90eSBrooks Davis }
142e4b0a90eSBrooks Davis
143e4b0a90eSBrooks Davis strlcpy(md.md_magic, G_LABEL_MAGIC, sizeof(md.md_magic));
144e4b0a90eSBrooks Davis md.md_version = G_LABEL_VERSION;
145e4b0a90eSBrooks Davis label = gctl_get_ascii(req, "arg0");
146e4b0a90eSBrooks Davis bzero(md.md_label, sizeof(md.md_label));
147e4b0a90eSBrooks Davis strlcpy(md.md_label, label, sizeof(md.md_label));
148e4b0a90eSBrooks Davis md.md_provsize = g_get_mediasize(name);
149e4b0a90eSBrooks Davis if (md.md_provsize == 0) {
150e4b0a90eSBrooks Davis gctl_error(req, "Can't get mediasize of %s: %s.", name,
151e4b0a90eSBrooks Davis strerror(errno));
152e4b0a90eSBrooks Davis return;
153e4b0a90eSBrooks Davis }
154e4b0a90eSBrooks Davis
155e4b0a90eSBrooks Davis /*
156e4b0a90eSBrooks Davis * Ok, store metadata.
157e4b0a90eSBrooks Davis */
158e4b0a90eSBrooks Davis label_metadata_encode(&md, sector);
159e4b0a90eSBrooks Davis error = g_metadata_store(name, sector, sizeof(sector));
160e4b0a90eSBrooks Davis if (error != 0) {
161e4b0a90eSBrooks Davis fprintf(stderr, "Can't store metadata on %s: %s.\n", name,
162e4b0a90eSBrooks Davis strerror(error));
163e4b0a90eSBrooks Davis gctl_error(req, "Not done.");
164e4b0a90eSBrooks Davis }
165e4b0a90eSBrooks Davis if (verbose)
166e4b0a90eSBrooks Davis printf("Metadata value stored on %s.\n", name);
167e4b0a90eSBrooks Davis }
168e4b0a90eSBrooks Davis
169e4b0a90eSBrooks Davis static void
label_clear(struct gctl_req * req)170e4b0a90eSBrooks Davis label_clear(struct gctl_req *req)
171e4b0a90eSBrooks Davis {
172e4b0a90eSBrooks Davis const char *name;
173e4b0a90eSBrooks Davis int error, i, nargs;
174e4b0a90eSBrooks Davis
175e4b0a90eSBrooks Davis nargs = gctl_get_int(req, "nargs");
176e4b0a90eSBrooks Davis if (nargs < 1) {
177e4b0a90eSBrooks Davis gctl_error(req, "Too few arguments.");
178e4b0a90eSBrooks Davis return;
179e4b0a90eSBrooks Davis }
180e4b0a90eSBrooks Davis
181e4b0a90eSBrooks Davis for (i = 0; i < nargs; i++) {
182e4b0a90eSBrooks Davis name = gctl_get_ascii(req, "arg%d", i);
183e4b0a90eSBrooks Davis error = g_metadata_clear(name, G_LABEL_MAGIC);
184e4b0a90eSBrooks Davis if (error != 0) {
185e4b0a90eSBrooks Davis fprintf(stderr, "Can't clear metadata on %s: %s.\n",
186e4b0a90eSBrooks Davis name, strerror(error));
187e4b0a90eSBrooks Davis gctl_error(req, "Not fully done.");
188e4b0a90eSBrooks Davis continue;
189e4b0a90eSBrooks Davis }
190e4b0a90eSBrooks Davis if (verbose)
191e4b0a90eSBrooks Davis printf("Metadata cleared on %s.\n", name);
192e4b0a90eSBrooks Davis }
193e4b0a90eSBrooks Davis }
194e4b0a90eSBrooks Davis
195e4b0a90eSBrooks Davis static void
label_metadata_dump(const struct g_label_metadata * md)196e4b0a90eSBrooks Davis label_metadata_dump(const struct g_label_metadata *md)
197e4b0a90eSBrooks Davis {
198e4b0a90eSBrooks Davis
199e4b0a90eSBrooks Davis printf(" Magic string: %s\n", md->md_magic);
200e4b0a90eSBrooks Davis printf("Metadata version: %u\n", (u_int)md->md_version);
201e4b0a90eSBrooks Davis printf(" Label: %s\n", md->md_label);
202e4b0a90eSBrooks Davis }
203e4b0a90eSBrooks Davis
204e4b0a90eSBrooks Davis static void
label_dump(struct gctl_req * req)205e4b0a90eSBrooks Davis label_dump(struct gctl_req *req)
206e4b0a90eSBrooks Davis {
207e4b0a90eSBrooks Davis struct g_label_metadata md, tmpmd;
208e4b0a90eSBrooks Davis const char *name;
209e4b0a90eSBrooks Davis int error, i, nargs;
210e4b0a90eSBrooks Davis
211e4b0a90eSBrooks Davis nargs = gctl_get_int(req, "nargs");
212e4b0a90eSBrooks Davis if (nargs < 1) {
213e4b0a90eSBrooks Davis gctl_error(req, "Too few arguments.");
214e4b0a90eSBrooks Davis return;
215e4b0a90eSBrooks Davis }
216e4b0a90eSBrooks Davis
217e4b0a90eSBrooks Davis for (i = 0; i < nargs; i++) {
218e4b0a90eSBrooks Davis name = gctl_get_ascii(req, "arg%d", i);
219e4b0a90eSBrooks Davis error = g_metadata_read(name, (u_char *)&tmpmd, sizeof(tmpmd),
220e4b0a90eSBrooks Davis G_LABEL_MAGIC);
221e4b0a90eSBrooks Davis if (error != 0) {
222e4b0a90eSBrooks Davis fprintf(stderr, "Can't read metadata from %s: %s.\n",
223e4b0a90eSBrooks Davis name, strerror(error));
224e4b0a90eSBrooks Davis gctl_error(req, "Not fully done.");
225e4b0a90eSBrooks Davis continue;
226e4b0a90eSBrooks Davis }
227e4b0a90eSBrooks Davis label_metadata_decode((u_char *)&tmpmd, &md);
228e4b0a90eSBrooks Davis printf("Metadata on %s:\n", name);
229e4b0a90eSBrooks Davis label_metadata_dump(&md);
230e4b0a90eSBrooks Davis printf("\n");
231e4b0a90eSBrooks Davis }
232e4b0a90eSBrooks Davis }
233e4b0a90eSBrooks Davis
234e4b0a90eSBrooks Davis static void
label_refresh(struct gctl_req * req)235e4b0a90eSBrooks Davis label_refresh(struct gctl_req *req)
236e4b0a90eSBrooks Davis {
237e4b0a90eSBrooks Davis const char *name;
238e4b0a90eSBrooks Davis int i, nargs, fd;
239e4b0a90eSBrooks Davis
240e4b0a90eSBrooks Davis nargs = gctl_get_int(req, "nargs");
241e4b0a90eSBrooks Davis if (nargs < 1) {
242e4b0a90eSBrooks Davis gctl_error(req, "Too few arguments.");
243e4b0a90eSBrooks Davis return;
244e4b0a90eSBrooks Davis }
245e4b0a90eSBrooks Davis
246e4b0a90eSBrooks Davis for (i = 0; i < nargs; i++) {
247e4b0a90eSBrooks Davis name = gctl_get_ascii(req, "arg%d", i);
248e4b0a90eSBrooks Davis fd = g_open(name, 1);
249e4b0a90eSBrooks Davis if (fd == -1) {
250e4b0a90eSBrooks Davis printf("Can't refresh metadata from %s: %s.\n",
251e4b0a90eSBrooks Davis name, strerror(errno));
252e4b0a90eSBrooks Davis } else {
253e4b0a90eSBrooks Davis printf("Metadata from %s refreshed.\n", name);
254e4b0a90eSBrooks Davis (void)g_close(fd);
255e4b0a90eSBrooks Davis }
256e4b0a90eSBrooks Davis }
257e4b0a90eSBrooks Davis }
258