312 lines
9.2 KiB
C
312 lines
9.2 KiB
C
/*-
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* Copyright (c) 2002 Marcel Moolenaar
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifdef __FBSDID
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__FBSDID("$FreeBSD: src/sbin/gpt/show.c,v 1.14 2006/06/22 22:22:32 marcel Exp $");
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#endif
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#ifdef __RCSID
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__RCSID("$NetBSD: backup.c,v 1.3 2014/09/10 10:49:44 jnemeth Exp $");
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#endif
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#include <sys/bootblock.h>
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#include <sys/types.h>
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#include <err.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <prop/proplib.h>
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#include "map.h"
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#include "gpt.h"
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const char backupmsg[] = "backup device ...";
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__dead static void
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usage_backup(void)
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{
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fprintf(stderr,
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"usage: %s %s\n", getprogname(), backupmsg);
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exit(1);
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}
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#define PROP_ERR(x) if (!(x)) { \
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warn("proplib failure"); \
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return; \
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}
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static void
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backup(void)
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{
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uuid_t u;
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map_t *m;
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struct mbr *mbr;
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struct gpt_ent *ent;
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struct gpt_hdr *hdr;
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unsigned int i;
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prop_dictionary_t props, mbr_dict, gpt_dict, type_dict;
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prop_array_t mbr_array, gpt_array;
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prop_data_t propdata;
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prop_number_t propnum;
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prop_string_t propstr;
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char *propext, *s;
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bool rc;
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props = prop_dictionary_create();
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PROP_ERR(props);
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propnum = prop_number_create_integer(secsz);
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PROP_ERR(propnum);
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rc = prop_dictionary_set(props, "sector_size", propnum);
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PROP_ERR(rc);
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m = map_first();
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while (m != NULL) {
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switch (m->map_type) {
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case MAP_TYPE_MBR:
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case MAP_TYPE_PMBR:
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type_dict = prop_dictionary_create();
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PROP_ERR(type_dict);
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mbr = m->map_data;
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propdata = prop_data_create_data_nocopy(mbr->mbr_code,
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sizeof(mbr->mbr_code));
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PROP_ERR(propdata);
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rc = prop_dictionary_set(type_dict, "code", propdata);
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PROP_ERR(rc);
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mbr_array = NULL;
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for (i = 0; i < 4; i++) {
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if (mbr->mbr_part[i].part_typ !=
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MBR_PTYPE_UNUSED) {
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mbr_dict = prop_dictionary_create();
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PROP_ERR(mbr_dict);
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propnum = prop_number_create_integer(i);
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PROP_ERR(propnum);
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rc = prop_dictionary_set(mbr_dict,
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"index", propnum);
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PROP_ERR(rc);
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propnum = prop_number_create_unsigned_integer(mbr->mbr_part[i].part_flag);
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PROP_ERR(propnum);
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rc = prop_dictionary_set(mbr_dict,
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"flag", propnum);
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PROP_ERR(rc);
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propnum = prop_number_create_unsigned_integer(mbr->mbr_part[i].part_shd);
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PROP_ERR(propnum);
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rc = prop_dictionary_set(mbr_dict,
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"start_head", propnum);
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PROP_ERR(rc);
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propnum = prop_number_create_unsigned_integer(mbr->mbr_part[i].part_ssect);
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PROP_ERR(propnum);
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rc = prop_dictionary_set(mbr_dict,
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"start_sector", propnum);
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PROP_ERR(rc);
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propnum = prop_number_create_unsigned_integer(mbr->mbr_part[i].part_scyl);
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PROP_ERR(propnum);
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rc = prop_dictionary_set(mbr_dict,
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"start_cylinder", propnum);
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PROP_ERR(rc);
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propnum = prop_number_create_unsigned_integer(mbr->mbr_part[i].part_typ);
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PROP_ERR(propnum);
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rc = prop_dictionary_set(mbr_dict,
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"type", propnum);
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PROP_ERR(rc);
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propnum = prop_number_create_unsigned_integer(mbr->mbr_part[i].part_ehd);
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PROP_ERR(propnum);
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rc = prop_dictionary_set(mbr_dict,
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"end_head", propnum);
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PROP_ERR(rc);
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propnum = prop_number_create_unsigned_integer(mbr->mbr_part[i].part_esect);
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PROP_ERR(propnum);
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rc = prop_dictionary_set(mbr_dict,
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"end_sector", propnum);
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PROP_ERR(rc);
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propnum = prop_number_create_unsigned_integer(mbr->mbr_part[i].part_ecyl);
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PROP_ERR(propnum);
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rc = prop_dictionary_set(mbr_dict,
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"end_cylinder", propnum);
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PROP_ERR(rc);
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propnum = prop_number_create_unsigned_integer(le16toh(mbr->mbr_part[i].part_start_lo));
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PROP_ERR(propnum);
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rc = prop_dictionary_set(mbr_dict,
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"lba_start_low", propnum);
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PROP_ERR(rc);
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propnum = prop_number_create_unsigned_integer(le16toh(mbr->mbr_part[i].part_start_hi));
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PROP_ERR(propnum);
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rc = prop_dictionary_set(mbr_dict,
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"lba_start_high", propnum);
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PROP_ERR(rc);
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propnum = prop_number_create_unsigned_integer(le16toh(mbr->mbr_part[i].part_size_lo));
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PROP_ERR(propnum);
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rc = prop_dictionary_set(mbr_dict,
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"lba_size_low", propnum);
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PROP_ERR(rc);
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propnum = prop_number_create_unsigned_integer(le16toh(mbr->mbr_part[i].part_size_hi));
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PROP_ERR(propnum);
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rc = prop_dictionary_set(mbr_dict,
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"lba_size_high", propnum);
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if (mbr_array == NULL) {
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mbr_array = prop_array_create();
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PROP_ERR(mbr_array);
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}
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rc = prop_array_add(mbr_array,
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mbr_dict);
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PROP_ERR(rc);
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}
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}
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if (mbr_array != NULL) {
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rc = prop_dictionary_set(type_dict,
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"mbr_array", mbr_array);
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PROP_ERR(rc);
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prop_object_release(mbr_array);
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}
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rc = prop_dictionary_set(props, "MBR", type_dict);
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PROP_ERR(rc);
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prop_object_release(type_dict);
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break;
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case MAP_TYPE_PRI_GPT_HDR:
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type_dict = prop_dictionary_create();
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PROP_ERR(type_dict);
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hdr = m->map_data;
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propnum = prop_number_create_unsigned_integer(le32toh(hdr->hdr_revision));
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PROP_ERR(propnum);
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rc = prop_dictionary_set(type_dict, "revision",
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propnum);
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PROP_ERR(rc);
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le_uuid_dec(hdr->hdr_guid, &u);
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uuid_to_string(&u, &s, NULL);
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propstr = prop_string_create_cstring(s);
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free(s);
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PROP_ERR(propstr);
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rc = prop_dictionary_set(type_dict, "guid", propstr);
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PROP_ERR(rc);
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propnum = prop_number_create_integer(le32toh(hdr->hdr_entries));
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PROP_ERR(propnum);
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rc = prop_dictionary_set(type_dict, "entries", propnum);
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PROP_ERR(rc);
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rc = prop_dictionary_set(props, "GPT_HDR", type_dict);
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PROP_ERR(rc);
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prop_object_release(type_dict);
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break;
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case MAP_TYPE_PRI_GPT_TBL:
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type_dict = prop_dictionary_create();
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PROP_ERR(type_dict);
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ent = m->map_data;
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gpt_array = prop_array_create();
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PROP_ERR(gpt_array);
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for (i = 1, ent = m->map_data;
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(char *)ent < (char *)(m->map_data) +
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m->map_size * secsz; i++, ent++) {
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gpt_dict = prop_dictionary_create();
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PROP_ERR(gpt_dict);
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propnum = prop_number_create_integer(i);
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PROP_ERR(propnum);
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rc = prop_dictionary_set(gpt_dict, "index",
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propnum);
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PROP_ERR(propnum);
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le_uuid_dec(ent->ent_type, &u);
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uuid_to_string(&u, &s, NULL);
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propstr = prop_string_create_cstring(s);
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free(s);
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PROP_ERR(propstr);
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rc = prop_dictionary_set(gpt_dict, "type",
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propstr);
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le_uuid_dec(ent->ent_guid, &u);
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uuid_to_string(&u, &s, NULL);
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propstr = prop_string_create_cstring(s);
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free(s);
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PROP_ERR(propstr);
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rc = prop_dictionary_set(gpt_dict, "guid",
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propstr);
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PROP_ERR(propstr);
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propnum = prop_number_create_unsigned_integer(le64toh(ent->ent_lba_start));
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PROP_ERR(propnum);
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rc = prop_dictionary_set(gpt_dict, "start",
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propnum);
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PROP_ERR(rc);
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propnum = prop_number_create_unsigned_integer(le64toh(ent->ent_lba_end));
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PROP_ERR(rc);
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rc = prop_dictionary_set(gpt_dict, "end",
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propnum);
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PROP_ERR(rc);
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propnum = prop_number_create_unsigned_integer(le64toh(ent->ent_attr));
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PROP_ERR(propnum);
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rc = prop_dictionary_set(gpt_dict,
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"attributes", propnum);
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PROP_ERR(rc);
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s = (char *)utf16_to_utf8(ent->ent_name);
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if (*s != '\0') {
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propstr = prop_string_create_cstring(s);
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PROP_ERR(propstr);
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rc = prop_dictionary_set(gpt_dict,
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"name", propstr);
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PROP_ERR(rc);
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}
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rc = prop_array_add(gpt_array, gpt_dict);
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PROP_ERR(rc);
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}
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rc = prop_dictionary_set(type_dict,
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"gpt_array", gpt_array);
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PROP_ERR(rc);
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prop_object_release(gpt_array);
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rc = prop_dictionary_set(props, "GPT_TBL", type_dict);
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PROP_ERR(rc);
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prop_object_release(type_dict);
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break;
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}
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m = m->map_next;
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}
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propext = prop_dictionary_externalize(props);
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PROP_ERR(propext);
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prop_object_release(props);
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fputs(propext, stdout);
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free(propext);
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}
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int
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cmd_backup(int argc, char *argv[])
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{
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int fd;
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if (argc == optind)
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usage_backup();
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while (optind < argc) {
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fd = gpt_open(argv[optind++]);
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if (fd == -1) {
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warn("unable to open device '%s'", device_name);
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continue;
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}
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backup();
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gpt_close(fd);
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}
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return (0);
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}
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