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/*
* Windows Serialized Property Storage functions
*
* Copyright (C) 2013-2018, 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 <byte_stream.h>
#include <memory.h>
#include <system_string.h>
#include <types.h>
#include "libfwps_definitions.h"
#include "libfwps_libcerror.h"
#include "libfwps_libcnotify.h"
#include "libfwps_libfguid.h"
#include "libfwps_storage.h"
#include "libfwps_value.h"
#include "libfwps_types.h"
const char *libfwps_serialized_property_storage_signature = "1SPS";
uint8_t libfwsp_format_class_identifier_named_properties[ 16 ] = {
0x05, 0xd5, 0xcd, 0xd5, 0x9c, 0x2e, 0x1b, 0x10, 0x93, 0x97, 0x08, 0x00, 0x2b, 0x2c, 0xf9, 0xae };
uint8_t libfwsp_format_class_identifier_unknown1[ 16 ] = {
0x30, 0xf1, 0x25, 0xb7, 0xef, 0x47, 0x1a, 0x10, 0xa5, 0xf1, 0x02, 0x60, 0x8c, 0x9e, 0xeb, 0xac };
/* Creates a storage
* Make sure the value storage is referencing, is set to NULL
* Returns 1 if successful or -1 on error
*/
int libfwps_storage_initialize(
libfwps_storage_t **storage,
libcerror_error_t **error )
{
libfwps_internal_storage_t *internal_storage = NULL;
static char *function = "libfwps_storage_initialize";
if( storage == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid storage.",
function );
return( -1 );
}
if( *storage != NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,
"%s: invalid storage value already set.",
function );
return( -1 );
}
internal_storage = memory_allocate_structure(
libfwps_internal_storage_t );
if( internal_storage == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_MEMORY,
LIBCERROR_MEMORY_ERROR_INSUFFICIENT,
"%s: unable to create storage.",
function );
goto on_error;
}
if( memory_set(
internal_storage,
0,
sizeof( libfwps_internal_storage_t ) ) == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_MEMORY,
LIBCERROR_MEMORY_ERROR_SET_FAILED,
"%s: unable to clear storage.",
function );
goto on_error;
}
*storage = (libfwps_storage_t *) internal_storage;
return( 1 );
on_error:
if( internal_storage != NULL )
{
memory_free(
internal_storage );
}
return( -1 );
}
/* Frees a storage
* Returns 1 if successful or -1 on error
*/
int libfwps_storage_free(
libfwps_storage_t **storage,
libcerror_error_t **error )
{
libfwps_internal_storage_t *internal_storage = NULL;
static char *function = "libfwps_storage_free";
if( storage == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid storage.",
function );
return( -1 );
}
if( *storage != NULL )
{
internal_storage = (libfwps_internal_storage_t *) *storage;
*storage = NULL;
memory_free(
internal_storage );
}
return( 1 );
}
/* Copies a serialized property storage from a byte stream
* Returns 1 if successful or -1 on error
*/
int libfwps_storage_copy_from_byte_stream(
libfwps_storage_t *storage,
const uint8_t *byte_stream,
size_t byte_stream_size,
int ascii_codepage,
libcerror_error_t **error )
{
libfwps_internal_storage_t *internal_storage = NULL;
libfwps_value_t *property_value = NULL;
static char *function = "libfwps_storage_copy_from_byte_stream";
size_t byte_stream_offset = 0;
uint32_t property_value_size = 0;
uint8_t property_value_type = 0;
#if defined( HAVE_DEBUG_OUTPUT )
system_character_t guid_string[ 48 ];
libfguid_identifier_t *guid = NULL;
int result = 0;
#endif
if( storage == NULL )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
"%s: invalid storage.",
function );
return( -1 );
}
internal_storage = (libfwps_internal_storage_t *) storage;
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 < 4 )
{
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 );
}
byte_stream_copy_to_uint32_little_endian(
byte_stream,
internal_storage->size );
#if defined( HAVE_DEBUG_OUTPUT )
if( libcnotify_verbose != 0 )
{
libcnotify_printf(
"%s: size\t\t\t\t: %" PRIu16 "\n",
function,
internal_storage->size );
}
#endif
if( internal_storage->size == 0 )
{
return( 1 );
}
if( ( internal_storage->size < 4 )
&& ( (size_t) internal_storage->size > byte_stream_size ) )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
"%s: invalid property storage size value out of bounds.",
function );
goto on_error;
}
byte_stream_offset += 4;
if( memory_compare(
&( byte_stream[ byte_stream_offset ] ),
libfwps_serialized_property_storage_signature,
4 ) != 0 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_UNSUPPORTED_VALUE,
"%s: unsupported signature.",
function );
goto on_error;
}
#if defined( HAVE_DEBUG_OUTPUT )
if( libcnotify_verbose != 0 )
{
libcnotify_printf(
"%s: signature\t\t\t: %c%c%c%c\n",
function,
byte_stream[ byte_stream_offset ],
byte_stream[ byte_stream_offset + 1 ],
byte_stream[ byte_stream_offset + 2 ],
byte_stream[ byte_stream_offset + 3 ] );
}
#endif
byte_stream_offset += 4;
/* TODO add bounds check */
#if defined( HAVE_DEBUG_OUTPUT )
if( libcnotify_verbose != 0 )
{
if( libfguid_identifier_initialize(
&guid,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
"%s: unable to create GUID.",
function );
goto on_error;
}
if( libfguid_identifier_copy_from_byte_stream(
guid,
&( byte_stream[ byte_stream_offset ] ),
16,
LIBFGUID_ENDIAN_LITTLE,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_COPY_FAILED,
"%s: unable to copy byte stream to GUID.",
function );
goto on_error;
}
#if defined( HAVE_WIDE_SYSTEM_CHARACTER )
result = libfguid_identifier_copy_to_utf16_string(
guid,
(uint16_t *) guid_string,
48,
LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE | LIBFGUID_STRING_FORMAT_FLAG_USE_SURROUNDING_BRACES,
error );
#else
result = libfguid_identifier_copy_to_utf8_string(
guid,
(uint8_t *) guid_string,
48,
LIBFGUID_STRING_FORMAT_FLAG_USE_UPPER_CASE | LIBFGUID_STRING_FORMAT_FLAG_USE_SURROUNDING_BRACES,
error );
#endif
if( result != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_COPY_FAILED,
"%s: unable to copy GUID to string.",
function );
goto on_error;
}
libcnotify_printf(
"%s: format class identifier\t\t: %" PRIs_SYSTEM "\n",
function,
guid_string );
if( libfguid_identifier_free(
&guid,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,
"%s: unable to free GUID.",
function );
goto on_error;
}
}
#endif
if( memory_compare(
&( byte_stream[ byte_stream_offset ] ),
libfwsp_format_class_identifier_named_properties,
16 ) == 0 )
{
property_value_type = LIBFWPS_VALUE_TYPE_NAMED;
}
else
{
property_value_type = LIBFWPS_VALUE_TYPE_NUMERIC;
}
byte_stream_offset += 16;
while( byte_stream_offset < byte_stream_size )
{
if( libfwps_value_initialize(
&property_value,
property_value_type,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
"%s: unable to create property value.",
function );
goto on_error;
}
if( libfwps_value_copy_from_byte_stream(
property_value,
&( byte_stream[ byte_stream_offset ] ),
byte_stream_size,
ascii_codepage,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_COPY_FAILED,
"%s: unable to copy byte stream to property value.",
function );
goto on_error;
}
property_value_size = ( (libfwps_internal_value_t *) property_value )->size;
/* TODO store value array if size != 0 */
if( libfwps_internal_value_free(
(libfwps_internal_value_t **) &property_value,
error ) != 1 )
{
libcerror_error_set(
error,
LIBCERROR_ERROR_DOMAIN_RUNTIME,
LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,
"%s: unable to free property value.",
function );
goto on_error;
}
if( property_value_size == 0 )
{
break;
}
byte_stream_offset += property_value_size;
}
/* TODO print trailing data */
#if defined( HAVE_DEBUG_OUTPUT )
if( libcnotify_verbose != 0 )
{
libcnotify_printf(
"\n" );
}
#endif
return( 1 );
on_error:
#if defined( HAVE_DEBUG_OUTPUT )
if( guid != NULL )
{
libfguid_identifier_free(
&guid,
NULL );
}
#endif
if( property_value != NULL )
{
libfwps_internal_value_free(
(libfwps_internal_value_t **) &property_value,
NULL );
}
return( -1 );
}
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