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/*
* Verification handle
*
* Copyright (C) 2010-2016, Joachim Metz <joachim.metz@gmail.com>
*
* Refer to AUTHORS for acknowledgements.
*
* This software is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this software. If not, see <http://www.gnu.org/licenses/>.
*/
#if !defined( _VERIFICATION_HANDLE_H )
#define _VERIFICATION_HANDLE_H
#include <common.h>
#include <types.h>
#include "digest_hash.h"
#include "log_handle.h"
#include "smrawtools_libcerror.h"
#include "smrawtools_libcstring.h"
#include "smrawtools_libsmraw.h"
#include "smrawtools_libhmac.h"
#include "storage_media_buffer.h"
#if defined( __cplusplus )
extern "C" {
#endif
enum VERIFICATION_HANDLE_INPUT_FORMATS
{
VERIFICATION_HANDLE_INPUT_FORMAT_FILES = (int) 'f',
VERIFICATION_HANDLE_INPUT_FORMAT_RAW = (int) 'r'
};
typedef struct verification_handle verification_handle_t;
struct verification_handle
{
/* Value to indicate if the MD5 digest hash should be calculated
*/
uint8_t calculate_md5;
/* The MD5 digest context
*/
libhmac_md5_context_t *md5_context;
/* Value to indicate the MD5 digest context was initialized
*/
uint8_t md5_context_initialized;
/* The calculated MD5 digest hash string
*/
libcstring_system_character_t *calculated_md5_hash_string;
/* Value to indicate if the SHA1 digest hash should be calculated
*/
uint8_t calculate_sha1;
/* The SHA1 digest context
*/
libhmac_sha1_context_t *sha1_context;
/* Value to indicate the SHA1 digest context was initialized
*/
uint8_t sha1_context_initialized;
/* The calculated SHA1 digest hash string
*/
libcstring_system_character_t *calculated_sha1_hash_string;
/* Value to indicate if the SHA256 digest hash should be calculated
*/
uint8_t calculate_sha256;
/* The SHA256 digest context
*/
libhmac_sha256_context_t *sha256_context;
/* Value to indicate the SHA256 digest context was initialized
*/
uint8_t sha256_context_initialized;
/* The calculated SHA256 digest hash string
*/
libcstring_system_character_t *calculated_sha256_hash_string;
/* The libsmraw input handle
*/
libsmraw_handle_t *input_handle;
/* The last offset read
*/
off64_t last_offset_read;
/* The process buffer size
*/
size_t process_buffer_size;
/* The notification output stream
*/
FILE *notify_stream;
/* Value to indicate if abort was signalled
*/
int abort;
};
int verification_handle_initialize(
verification_handle_t **verification_handle,
uint8_t calculate_md5,
libcerror_error_t **error );
int verification_handle_free(
verification_handle_t **verification_handle,
libcerror_error_t **error );
int verification_handle_signal_abort(
verification_handle_t *verification_handle,
libcerror_error_t **error );
int verification_handle_open_input(
verification_handle_t *verification_handle,
libcstring_system_character_t * const * filenames,
int number_of_filenames,
libcerror_error_t **error );
int verification_handle_close(
verification_handle_t *verification_handle,
libcerror_error_t **error );
ssize_t verification_handle_prepare_read_buffer(
verification_handle_t *verification_handle,
storage_media_buffer_t *storage_media_buffer,
libcerror_error_t **error );
ssize_t verification_handle_read_buffer(
verification_handle_t *verification_handle,
storage_media_buffer_t *storage_media_buffer,
size_t read_size,
libcerror_error_t **error );
int verification_handle_initialize_integrity_hash(
verification_handle_t *verification_handle,
libcerror_error_t **error );
int verification_handle_update_integrity_hash(
verification_handle_t *verification_handle,
uint8_t *buffer,
size_t buffer_size,
libcerror_error_t **error );
int verification_handle_finalize_integrity_hash(
verification_handle_t *verification_handle,
libcerror_error_t **error );
int verification_handle_verify_input(
verification_handle_t *verification_handle,
uint8_t print_status_information,
log_handle_t *log_handle,
libcerror_error_t **error );
int verification_handle_set_process_buffer_size(
verification_handle_t *verification_handle,
const libcstring_system_character_t *string,
libcerror_error_t **error );
int verification_handle_set_additional_digest_types(
verification_handle_t *verification_handle,
const libcstring_system_character_t *string,
libcerror_error_t **error );
int verification_handle_append_read_error(
verification_handle_t *verification_handle,
off64_t start_offset,
size_t number_of_bytes,
libcerror_error_t **error );
int verification_handle_hash_values_fprint(
verification_handle_t *verification_handle,
FILE *stream,
libcerror_error_t **error );
#if defined( __cplusplus )
}
#endif
#endif
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