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/*
* Entry identifier (ENTRYID) functions
*
* Copyright (c) 2009-2012, 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/>.
*/
#include <common.h>
#include <memory.h>
#include <types.h>
#include "libfmapi_definitions.h"
#include "libfmapi_entry_identifier.h"
#include "libfmapi_libcerror.h"
#include "libfmapi_libfguid.h"
/* Initialize an entry identifier
* Returns 1 if successful or -1 on error
*/
int libfmapi_entry_identifier_initialize(
libfmapi_entry_identifier_t **entry_identifier,
libcerror_error_t **error )
{
libfmapi_internal_entry_identifier_t *internal_entry_identifier = NULL;
static char *function = "libfmapi_entry_identifier_initialize";
if( entry_identifier == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid entry identifier.",
function );
return( -1 );
}
if( *entry_identifier != NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,
"%s: invalid entry identifier value already set.",
function );
return( -1 );
}
internal_entry_identifier = memory_allocate_structure(
libfmapi_internal_entry_identifier_t );
if( internal_entry_identifier == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_MEMORY,
LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
"%s: unable to create entry identifier.",
function );
goto on_error;
}
if( memory_set(
internal_entry_identifier,
0,
sizeof( libfmapi_internal_entry_identifier_t ) ) == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_MEMORY,
LIBCERROR_MEMORY_ERROR_SET_FAILED,
"%s: unable to clear entry identifier.",
function );
goto on_error;
}
if( libfguid_identifier_initialize(
&( internal_entry_identifier->service_provider_identifier ),
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
"%s: unable to create service provider identifier.",
function );
goto on_error;
}
*entry_identifier = (libfmapi_entry_identifier_t *) internal_entry_identifier;
return( 1 );
on_error:
if( internal_entry_identifier != NULL )
{
memory_free(
internal_entry_identifier );
}
return( -1 );
}
/* Frees an entry identifier
* Returns 1 if successful or -1 on error
*/
int libfmapi_entry_identifier_free(
libfmapi_entry_identifier_t **entry_identifier,
libcerror_error_t **error )
{
libfmapi_internal_entry_identifier_t *internal_entry_identifier = NULL;
static char *function = "libfmapi_entry_identifier_free";
int result = 1;
if( entry_identifier == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid entry identifier.",
function );
return( -1 );
}
if( *entry_identifier != NULL )
{
internal_entry_identifier = (libfmapi_internal_entry_identifier_t *) *entry_identifier;
*entry_identifier = NULL;
if( libfguid_identifier_free(
&( internal_entry_identifier->service_provider_identifier ),
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,
"%s: unable to free service provider identifier.",
function );
result = -1;
}
memory_free(
internal_entry_identifier );
}
return( result );
}
/* Converts a byte stream into an entry identifier
* Returns 1 if successful or -1 on error
*/
int libfmapi_entry_identifier_copy_from_byte_stream(
libfmapi_entry_identifier_t *entry_identifier,
uint8_t *byte_stream,
size_t byte_stream_size,
libcerror_error_t **error )
{
libfmapi_internal_entry_identifier_t *internal_entry_identifier = NULL;
static char *function = "libfmapi_entry_identifier_copy_from_byte_stream";
if( entry_identifier == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid entry identifier.",
function );
return( -1 );
}
internal_entry_identifier = (libfmapi_internal_entry_identifier_t *) entry_identifier;
if( byte_stream == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid byte stream.",
function );
return( -1 );
}
if( byte_stream_size < 20 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_VALUE_TOO_SMALL,
"%s: byte stream too small.",
function );
return( -1 );
}
if( byte_stream_size > (size_t) SSIZE_MAX )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_VALUE_EXCEEDS_MAXIMUM,
"%s: byte stream size exceeds maximum.",
function );
return( -1 );
}
if( memory_copy(
internal_entry_identifier->flags,
byte_stream,
4 ) == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_MEMORY,
LIBCERROR_MEMORY_ERROR_COPY_FAILED,
"%s: unable to copy flags.",
function );
return( -1 );
}
byte_stream += 4;
if( libfguid_identifier_copy_from_byte_stream(
internal_entry_identifier->service_provider_identifier,
byte_stream,
16,
LIBFGUID_ENDIAN_LITTLE,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_COPY_FAILED,
"%s: unable to copy service provider identifier from byte stream.",
function );
return( -1 );
}
byte_stream += 16;
return( 1 );
}
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