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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
*/
#ifndef _BBLKEINFO_H
#define _BBLKEINFO_H
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <md5.h>
#define BBLK_EINFO_VERSION (1)
#define EINFO_MAGIC "EXTINFO"
#define EINFO_MAGIC_SIZE (7)
#pragma pack(1)
typedef struct _extended_info {
char magic[EINFO_MAGIC_SIZE];
uint8_t version;
uint8_t flags;
uint32_t str_off;
uint16_t str_size;
uint8_t hash_type;
uint32_t hash_off;
uint16_t hash_size;
char rsvd[32];
} bblk_einfo_t;
#pragma pack()
enum bblk_hash_types_t {
BBLK_NO_HASH = 0,
BBLK_HASH_MD5,
BBLK_HASH_TOT
};
#define EINFO_PRINT_HEADER 0x01
#define EINFO_EASY_PARSE 0x02
typedef struct _hashing_function {
unsigned int type;
unsigned int size;
char name[16];
void (*compute_hash)(void *, const void *, unsigned int);
} bblk_hash_t;
typedef struct _hashing_source {
unsigned char *src_buf;
unsigned int src_size;
} bblk_hs_t;
#define BBLK_DEFAULT_HASH BBLK_HASH_MD5
extern bblk_hash_t bblk_no_hash;
extern bblk_hash_t bblk_md5_hash;
extern bblk_hash_t *bblk_hash_list[BBLK_HASH_TOT];
void print_einfo(uint8_t, bblk_einfo_t *, unsigned long);
int prepare_and_write_einfo(unsigned char *, char *, bblk_hs_t *,
uint32_t, uint32_t *);
boolean_t einfo_should_update(bblk_einfo_t *, bblk_hs_t *, char *);
char *einfo_get_string(bblk_einfo_t *);
char *einfo_get_hash(bblk_einfo_t *);
#ifdef __cplusplus
}
#endif
#endif /* _BBLKEINFO_H */
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