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/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2004-2005 Pawel Jakub Dawidek <pjd@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <errno.h>
#include <paths.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <assert.h>
#include <libgeom.h>
#include <geom/concat/g_concat.h>
#include "core/geom.h"
#include "misc/subr.h"
uint32_t lib_version = G_LIB_VERSION;
uint32_t version = G_CONCAT_VERSION;
static void concat_main(struct gctl_req *req, unsigned flags);
static void concat_clear(struct gctl_req *req);
static void concat_dump(struct gctl_req *req);
static void concat_label(struct gctl_req *req);
struct g_command class_commands[] = {
{ "clear", G_FLAG_VERBOSE, concat_main, G_NULL_OPTS,
"[-v] prov ..."
},
{ "create", G_FLAG_VERBOSE | G_FLAG_LOADKLD, NULL, G_NULL_OPTS,
"[-v] name prov ..."
},
{ "destroy", G_FLAG_VERBOSE, NULL,
{
{ 'f', "force", NULL, G_TYPE_BOOL },
G_OPT_SENTINEL
},
"[-fv] name ..."
},
{ "dump", 0, concat_main, G_NULL_OPTS,
"prov ..."
},
{ "label", G_FLAG_VERBOSE | G_FLAG_LOADKLD, concat_main,
{
{ 'h', "hardcode", NULL, G_TYPE_BOOL },
G_OPT_SENTINEL
},
"[-hv] name prov ..."
},
{ "stop", G_FLAG_VERBOSE, NULL,
{
{ 'f', "force", NULL, G_TYPE_BOOL },
G_OPT_SENTINEL
},
"[-fv] name ..."
},
G_CMD_SENTINEL
};
static int verbose = 0;
static void
concat_main(struct gctl_req *req, unsigned flags)
{
const char *name;
if ((flags & G_FLAG_VERBOSE) != 0)
verbose = 1;
name = gctl_get_ascii(req, "verb");
if (name == NULL) {
gctl_error(req, "No '%s' argument.", "verb");
return;
}
if (strcmp(name, "label") == 0)
concat_label(req);
else if (strcmp(name, "clear") == 0)
concat_clear(req);
else if (strcmp(name, "dump") == 0)
concat_dump(req);
else
gctl_error(req, "Unknown command: %s.", name);
}
static void
concat_label(struct gctl_req *req)
{
struct g_concat_metadata md;
u_char sector[512];
const char *name;
int error, i, hardcode, nargs;
bzero(sector, sizeof(sector));
nargs = gctl_get_int(req, "nargs");
if (nargs < 2) {
gctl_error(req, "Too few arguments.");
return;
}
hardcode = gctl_get_int(req, "hardcode");
/*
* Clear last sector first to spoil all components if device exists.
*/
for (i = 1; i < nargs; i++) {
name = gctl_get_ascii(req, "arg%d", i);
error = g_metadata_clear(name, NULL);
if (error != 0) {
gctl_error(req, "Can't store metadata on %s: %s.", name,
strerror(error));
return;
}
}
strlcpy(md.md_magic, G_CONCAT_MAGIC, sizeof(md.md_magic));
md.md_version = G_CONCAT_VERSION;
name = gctl_get_ascii(req, "arg0");
strlcpy(md.md_name, name, sizeof(md.md_name));
md.md_id = arc4random();
md.md_all = nargs - 1;
/*
* Ok, store metadata.
*/
for (i = 1; i < nargs; i++) {
name = gctl_get_ascii(req, "arg%d", i);
md.md_no = i - 1;
if (!hardcode)
bzero(md.md_provider, sizeof(md.md_provider));
else {
if (strncmp(name, _PATH_DEV, sizeof(_PATH_DEV) - 1) == 0)
name += sizeof(_PATH_DEV) - 1;
strlcpy(md.md_provider, name, sizeof(md.md_provider));
}
md.md_provsize = g_get_mediasize(name);
if (md.md_provsize == 0) {
fprintf(stderr, "Can't get mediasize of %s: %s.\n",
name, strerror(errno));
gctl_error(req, "Not fully done.");
continue;
}
concat_metadata_encode(&md, sector);
error = g_metadata_store(name, sector, sizeof(sector));
if (error != 0) {
fprintf(stderr, "Can't store metadata on %s: %s.\n",
name, strerror(error));
gctl_error(req, "Not fully done.");
continue;
}
if (verbose)
printf("Metadata value stored on %s.\n", name);
}
}
static void
concat_clear(struct gctl_req *req)
{
const char *name;
int error, i, nargs;
nargs = gctl_get_int(req, "nargs");
if (nargs < 1) {
gctl_error(req, "Too few arguments.");
return;
}
for (i = 0; i < nargs; i++) {
name = gctl_get_ascii(req, "arg%d", i);
error = g_metadata_clear(name, G_CONCAT_MAGIC);
if (error != 0) {
fprintf(stderr, "Can't clear metadata on %s: %s.\n",
name, strerror(error));
gctl_error(req, "Not fully done.");
continue;
}
if (verbose)
printf("Metadata cleared on %s.\n", name);
}
}
static void
concat_metadata_dump(const struct g_concat_metadata *md)
{
printf(" Magic string: %s\n", md->md_magic);
printf(" Metadata version: %u\n", (u_int)md->md_version);
printf(" Device name: %s\n", md->md_name);
printf(" Device ID: %u\n", (u_int)md->md_id);
printf(" Disk number: %u\n", (u_int)md->md_no);
printf("Total number of disks: %u\n", (u_int)md->md_all);
printf(" Hardcoded provider: %s\n", md->md_provider);
}
static void
concat_dump(struct gctl_req *req)
{
struct g_concat_metadata md, tmpmd;
const char *name;
int error, i, nargs;
nargs = gctl_get_int(req, "nargs");
if (nargs < 1) {
gctl_error(req, "Too few arguments.");
return;
}
for (i = 0; i < nargs; i++) {
name = gctl_get_ascii(req, "arg%d", i);
error = g_metadata_read(name, (u_char *)&tmpmd, sizeof(tmpmd),
G_CONCAT_MAGIC);
if (error != 0) {
fprintf(stderr, "Can't read metadata from %s: %s.\n",
name, strerror(error));
gctl_error(req, "Not fully done.");
continue;
}
concat_metadata_decode((u_char *)&tmpmd, &md);
printf("Metadata on %s:\n", name);
concat_metadata_dump(&md);
printf("\n");
}
}
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