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imaging_handle.h
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imaging_handle.h
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/*
* Imaging handle
*
* Copyright (C) 2008-2009, Joachim Metz <forensics@hoffmannbv.nl>,
* Hoffmann Investigations.
*
* 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( _IMAGING_HANDLE_H )
#define _IMAGING_HANDLE_H
#include <common.h>
#include <types.h>
#include <liberror.h>
/* If libtool DLL support is enabled set LIBEWF_DLL_IMPORT
* before including libewf.h
*/
#if defined( _WIN32 ) && defined( DLL_EXPORT )
#define LIBEWF_DLL_IMPORT
#endif
#include <libewf.h>
#include <libsystem.h>
#include "digest_context.h"
#include "digest_hash.h"
#include "md5.h"
#include "sha1.h"
#include "storage_media_buffer.h"
#if defined( __cplusplus )
extern "C" {
#endif
typedef struct imaging_handle imaging_handle_t;
struct imaging_handle
{
/* Value to indicate if the MD5 digest hash should be calculated
*/
uint8_t calculate_md5;
/* Value to indicate if the SHA1 digest hash should be calculated
*/
uint8_t calculate_sha1;
/* The MD5 digest context
*/
md5_context_t md5_context;
/* The SHA1 digest context
*/
sha1_context_t sha1_context;
/* The libewf output handle
*/
libewf_handle_t *output_handle;
/* The secondary libewf output handle
*/
libewf_handle_t *secondary_output_handle;
/* The amount of bytes per sector
*/
uint32_t bytes_per_sector;
};
int imaging_handle_initialize(
imaging_handle_t **imaging_handle,
uint8_t calculate_md5,
uint8_t calculate_sha1,
liberror_error_t **error );
int imaging_handle_free(
imaging_handle_t **imaging_handle,
liberror_error_t **error );
int imaging_handle_signal_abort(
imaging_handle_t *imaging_handle,
liberror_error_t **error );
int imaging_handle_open_output(
imaging_handle_t *imaging_handle,
const libsystem_character_t *filename,
uint8_t resume,
liberror_error_t **error );
int imaging_handle_open_secondary_output(
imaging_handle_t *imaging_handle,
const libsystem_character_t *filename,
uint8_t resume,
liberror_error_t **error );
int imaging_handle_close(
imaging_handle_t *imaging_handle,
liberror_error_t **error );
ssize_t imaging_handle_prepare_read_buffer(
imaging_handle_t *imaging_handle,
storage_media_buffer_t *storage_media_buffer,
liberror_error_t **error );
ssize_t imaging_handle_read_buffer(
imaging_handle_t *imaging_handle,
storage_media_buffer_t *storage_media_buffer,
size_t read_size,
liberror_error_t **error );
ssize_t imaging_handle_prepare_write_buffer(
imaging_handle_t *imaging_handle,
storage_media_buffer_t *storage_media_buffer,
liberror_error_t **error );
ssize_t imaging_handle_write_buffer(
imaging_handle_t *imaging_handle,
storage_media_buffer_t *storage_media_buffer,
size_t write_size,
liberror_error_t **error );
off64_t imaging_handle_seek_offset(
imaging_handle_t *imaging_handle,
off64_t offset,
liberror_error_t **error );
int imaging_handle_get_offset(
imaging_handle_t *imaging_handle,
off64_t *offset,
liberror_error_t **error );
int imaging_handle_swap_byte_pairs(
imaging_handle_t *imaging_handle,
storage_media_buffer_t *storage_media_buffer,
size_t read_size,
liberror_error_t **error );
int imaging_handle_update_integrity_hash(
imaging_handle_t *imaging_handle,
storage_media_buffer_t *storage_media_buffer,
size_t read_size,
liberror_error_t **error );
int imaging_handle_get_chunk_size(
imaging_handle_t *imaging_handle,
size32_t *chunk_size,
liberror_error_t **error );
int imaging_handle_get_output_values(
imaging_handle_t *imaging_handle,
libsystem_character_t *case_number,
size_t case_number_size,
libsystem_character_t *description,
size_t description_size,
libsystem_character_t *evidence_number,
size_t evidence_number_size,
libsystem_character_t *examiner_name,
size_t examiner_name_size,
libsystem_character_t *notes,
size_t notes_size,
uint32_t *bytes_per_sector,
size64_t *media_size,
uint8_t *media_type,
uint8_t *media_flags,
int8_t *compression_level,
uint8_t *compression_flags,
uint8_t *libewf_format,
size64_t *segment_file_size,
uint32_t *sectors_per_chunk,
uint32_t *sector_error_granularity,
liberror_error_t **error );
int imaging_handle_set_output_values(
imaging_handle_t *imaging_handle,
libsystem_character_t *case_number,
size_t case_number_length,
libsystem_character_t *description,
size_t description_length,
libsystem_character_t *evidence_number,
size_t evidence_number_length,
libsystem_character_t *examiner_name,
size_t examiner_name_length,
libsystem_character_t *notes,
size_t notes_length,
libsystem_character_t *acquiry_operating_system,
size_t acquiry_operating_system_length,
libsystem_character_t *acquiry_software,
size_t acquiry_software_length,
libsystem_character_t *acquiry_software_version,
size_t acquiry_software_version_length,
libsystem_character_t *model,
size_t model_length,
libsystem_character_t *serial_number,
size_t serial_number_length,
int header_codepage,
uint32_t bytes_per_sector,
size64_t media_size,
uint8_t media_type,
uint8_t media_flags,
int8_t compression_level,
uint8_t compression_flags,
uint8_t libewf_format,
size64_t segment_file_size,
uint32_t sectors_per_chunk,
uint32_t sector_error_granularity,
liberror_error_t **error );
int imaging_handle_get_header_value(
imaging_handle_t *imaging_handle,
char *header_value_identifier,
size_t header_value_identifier_length,
libsystem_character_t *header_value,
size_t header_value_size,
liberror_error_t **error );
int imaging_handle_set_header_value(
imaging_handle_t *imaging_handle,
char *header_value_identifier,
size_t header_value_identifier_length,
libsystem_character_t *header_value,
size_t header_value_length,
liberror_error_t **error );
int imaging_handle_set_hash_value(
imaging_handle_t *imaging_handle,
char *hash_value_identifier,
size_t hash_value_identifier_length,
libsystem_character_t *hash_value,
size_t hash_value_length,
liberror_error_t **error );
int imaging_handle_add_read_error(
imaging_handle_t *imaging_handle,
off64_t start_offset,
size_t amount_of_bytes,
liberror_error_t **error );
int imaging_handle_add_session(
imaging_handle_t *imaging_handle,
off64_t start_offset,
size64_t amount_of_bytes,
liberror_error_t **error );
ssize_t imaging_handle_finalize(
imaging_handle_t *imaging_handle,
libsystem_character_t *calculated_md5_hash_string,
size_t calculated_md5_hash_string_size,
libsystem_character_t *calculated_sha1_hash_string,
size_t calculated_sha1_hash_string_size,
liberror_error_t **error );
int imaging_handle_acquiry_errors_fprint(
imaging_handle_t *imaging_handle,
FILE *stream,
liberror_error_t **error );
#if defined( __cplusplus )
}
#endif
#endif
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