diff options
Diffstat (limited to 'sbin/geom/class/journal/geom_journal.c')
| -rw-r--r-- | sbin/geom/class/journal/geom_journal.c | 351 |
1 files changed, 0 insertions, 351 deletions
diff --git a/sbin/geom/class/journal/geom_journal.c b/sbin/geom/class/journal/geom_journal.c deleted file mode 100644 index 2a174c6e5b1c..000000000000 --- a/sbin/geom/class/journal/geom_journal.c +++ /dev/null @@ -1,351 +0,0 @@ -/*- - * SPDX-License-Identifier: BSD-2-Clause-FreeBSD - * - * Copyright (c) 2005-2006 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/types.h> -#include <errno.h> -#include <paths.h> -#include <stdio.h> -#include <stdlib.h> -#include <stdint.h> -#include <string.h> -#include <strings.h> -#include <assert.h> -#include <libgeom.h> -#include <geom/journal/g_journal.h> -#include <core/geom.h> -#include <misc/subr.h> - -#include "geom_journal.h" - - -uint32_t lib_version = G_LIB_VERSION; -uint32_t version = G_JOURNAL_VERSION; - -static void journal_main(struct gctl_req *req, unsigned flags); -static void journal_clear(struct gctl_req *req); -static void journal_dump(struct gctl_req *req); -static void journal_label(struct gctl_req *req); - -struct g_command class_commands[] = { - { "clear", G_FLAG_VERBOSE, journal_main, G_NULL_OPTS, - "[-v] prov ..." - }, - { "dump", 0, journal_main, G_NULL_OPTS, - "prov ..." - }, - { "label", G_FLAG_VERBOSE, journal_main, - { - { 'c', "checksum", NULL, G_TYPE_BOOL }, - { 'f', "force", NULL, G_TYPE_BOOL }, - { 'h', "hardcode", NULL, G_TYPE_BOOL }, - { 's', "jsize", "-1", G_TYPE_NUMBER }, - G_OPT_SENTINEL - }, - "[-cfhv] [-s jsize] dataprov [jprov]" - }, - { "stop", G_FLAG_VERBOSE, NULL, - { - { 'f', "force", NULL, G_TYPE_BOOL }, - G_OPT_SENTINEL - }, - "[-fv] name ..." - }, - { "sync", G_FLAG_VERBOSE, NULL, G_NULL_OPTS, - "[-v]" - }, - G_CMD_SENTINEL -}; - -static int verbose = 0; - -static void -journal_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) - journal_label(req); - else if (strcmp(name, "clear") == 0) - journal_clear(req); - else if (strcmp(name, "dump") == 0) - journal_dump(req); - else - gctl_error(req, "Unknown command: %s.", name); -} - -static int -g_journal_fs_exists(const char *prov) -{ - - if (g_journal_ufs_exists(prov)) - return (1); -#if 0 - if (g_journal_otherfs_exists(prov)) - return (1); -#endif - return (0); -} - -static int -g_journal_fs_using_last_sector(const char *prov) -{ - - if (g_journal_ufs_using_last_sector(prov)) - return (1); -#if 0 - if (g_journal_otherfs_using_last_sector(prov)) - return (1); -#endif - return (0); -} - -static void -journal_label(struct gctl_req *req) -{ - struct g_journal_metadata md; - const char *data, *journal, *str; - u_char sector[512]; - intmax_t jsize, msize, ssize; - int error, force, i, nargs, checksum, hardcode; - - bzero(sector, sizeof(sector)); - nargs = gctl_get_int(req, "nargs"); - str = NULL; /* gcc */ - - strlcpy(md.md_magic, G_JOURNAL_MAGIC, sizeof(md.md_magic)); - md.md_version = G_JOURNAL_VERSION; - md.md_id = arc4random(); - md.md_joffset = 0; - md.md_jid = 0; - md.md_flags = GJ_FLAG_CLEAN; - checksum = gctl_get_int(req, "checksum"); - if (checksum) - md.md_flags |= GJ_FLAG_CHECKSUM; - force = gctl_get_int(req, "force"); - hardcode = gctl_get_int(req, "hardcode"); - - if (nargs != 1 && nargs != 2) { - gctl_error(req, "Invalid number of arguments."); - return; - } - - /* Verify the given providers. */ - for (i = 0; i < nargs; i++) { - str = gctl_get_ascii(req, "arg%d", i); - if (g_get_mediasize(str) == 0) { - gctl_error(req, "Invalid provider %s.", str); - return; - } - } - - data = gctl_get_ascii(req, "arg0"); - jsize = gctl_get_intmax(req, "jsize"); - journal = NULL; - switch (nargs) { - case 1: - if (!force && g_journal_fs_exists(data)) { - gctl_error(req, "File system exists on %s and this " - "operation would destroy it.\nUse -f if you " - "really want to do it.", data); - return; - } - journal = data; - msize = g_get_mediasize(data); - ssize = g_get_sectorsize(data); - if (jsize == -1) { - /* - * No journal size specified. 1GB should be safe - * default. - */ - jsize = 1073741824ULL; - } else { - if (jsize < 104857600) { - gctl_error(req, "Journal too small."); - return; - } - if ((jsize % ssize) != 0) { - gctl_error(req, "Invalid journal size."); - return; - } - } - if (jsize + ssize >= msize) { - gctl_error(req, "Provider too small for journalling. " - "You can try smaller jsize (default is %jd).", - jsize); - return; - } - md.md_jstart = msize - ssize - jsize; - md.md_jend = msize - ssize; - break; - case 2: - if (!force && g_journal_fs_using_last_sector(data)) { - gctl_error(req, "File system on %s is using the last " - "sector and this operation is going to overwrite " - "it. Use -f if you really want to do it.", data); - return; - } - journal = gctl_get_ascii(req, "arg1"); - if (jsize != -1) { - gctl_error(req, "jsize argument is valid only for " - "all-in-one configuration."); - return; - } - msize = g_get_mediasize(journal); - ssize = g_get_sectorsize(journal); - md.md_jstart = 0; - md.md_jend = msize - ssize; - break; - } - - if (g_get_sectorsize(data) != g_get_sectorsize(journal)) { - gctl_error(req, "Not equal sector sizes."); - return; - } - - /* - * Clear last sector first, to spoil all components if device exists. - */ - for (i = 0; i < nargs; i++) { - str = gctl_get_ascii(req, "arg%d", i); - error = g_metadata_clear(str, NULL); - if (error != 0) { - gctl_error(req, "Cannot clear metadata on %s: %s.", str, - strerror(error)); - return; - } - } - - /* - * Ok, store metadata. - */ - for (i = 0; i < nargs; i++) { - switch (i) { - case 0: - str = data; - md.md_type = GJ_TYPE_DATA; - if (nargs == 1) - md.md_type |= GJ_TYPE_JOURNAL; - break; - case 1: - str = journal; - md.md_type = GJ_TYPE_JOURNAL; - break; - } - md.md_provsize = g_get_mediasize(str); - assert(md.md_provsize != 0); - if (!hardcode) - bzero(md.md_provider, sizeof(md.md_provider)); - else { - if (strncmp(str, _PATH_DEV, sizeof(_PATH_DEV) - 1) == 0) - str += sizeof(_PATH_DEV) - 1; - strlcpy(md.md_provider, str, sizeof(md.md_provider)); - } - journal_metadata_encode(&md, sector); - error = g_metadata_store(str, sector, sizeof(sector)); - if (error != 0) { - fprintf(stderr, "Cannot store metadata on %s: %s.\n", - str, strerror(error)); - gctl_error(req, "Not fully done."); - continue; - } - if (verbose) - printf("Metadata value stored on %s.\n", str); - } -} - -static void -journal_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_JOURNAL_MAGIC); - if (error != 0) { - fprintf(stderr, "Cannot 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 -journal_dump(struct gctl_req *req) -{ - struct g_journal_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_JOURNAL_MAGIC); - if (error != 0) { - fprintf(stderr, "Cannot read metadata from %s: %s.\n", - name, strerror(error)); - gctl_error(req, "Not fully done."); - continue; - } - if (journal_metadata_decode((u_char *)&tmpmd, &md) != 0) { - fprintf(stderr, "MD5 hash mismatch for %s, skipping.\n", - name); - gctl_error(req, "Not fully done."); - continue; - } - printf("Metadata on %s:\n", name); - journal_metadata_dump(&md); - printf("\n"); - } -} |