示例#1
0
/* Tests seeking in a handle
 * Returns 1 if successful, 0 if not or -1 on error
 */
int ewf_test_seek_handle(
     libcstring_system_character_t *source,
     libcerror_error_t **error )
{
	libcstring_system_character_t **filenames = NULL;
	libewf_handle_t *handle                   = NULL;
	size64_t media_size                       = 0;
	size_t string_length                      = 0;
	int number_of_filenames                   = 0;
	int result                                = 0;

#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
	string_length = libcstring_wide_string_length(
	                 source );

	if( libewf_glob_wide(
	     source,
	     string_length,
	     LIBEWF_FORMAT_UNKNOWN,
	     &filenames,
	     &number_of_filenames,
	     error ) != 1 )
#else
	string_length = libcstring_narrow_string_length(
	                 source );

	if( libewf_glob(
	     source,
	     string_length,
	     LIBEWF_FORMAT_UNKNOWN,
	     &filenames,
	     &number_of_filenames,
	     error ) != 1 )
#endif
	{
		fprintf(
		 stderr,
		 "Unable to glob filenames.\n" );

		goto on_error;
	}
	if( number_of_filenames < 0 )
	{
		fprintf(
		 stderr,
		 "Invalid number of filenames.\n" );

		goto on_error;
	}
	else if( number_of_filenames == 0 )
	{
		fprintf(
		 stderr,
		 "Missing filenames.\n" );

		goto on_error;
	}
	if( libewf_handle_initialize(
	     &handle,
	     error ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to create handle.\n" );

		goto on_error;
	}
#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
	if( libewf_handle_open_wide(
	     handle,
	     (wchar_t * const *) filenames,
	     number_of_filenames,
	     LIBEWF_OPEN_READ,
	     error ) != 1 )
#else
	if( libewf_handle_open(
	     handle,
	     (char * const *) filenames,
	     number_of_filenames,
	     LIBEWF_OPEN_READ,
	     error ) != 1 )
#endif
	{
		fprintf(
		 stderr,
		 "Unable to open handle.\n" );

		goto on_error;
	}
	if( libewf_handle_get_media_size(
	     handle,
	     &media_size,
	     error ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to retrieve media size.\n" );

		goto on_error;
	}
	result = ewf_test_seek(
	          handle,
	          media_size );

	if( result == -1 )
	{
		fprintf(
		 stderr,
		 "Unable to seek in handle.\n" );

		goto on_error;
	}
	if( libewf_handle_close(
	     handle,
	     error ) != 0 )
	{
		fprintf(
		 stderr,
		 "Unable to close handle.\n" );

		goto on_error;
	}
	if( libewf_handle_free(
	     &handle,
	     error ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to free handle.\n" );

		goto on_error;
	}
#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
	if( libewf_glob_wide_free(
	     filenames,
	     number_of_filenames,
	     error ) != 1 )
#else
	if( libewf_glob_free(
	     filenames,
	     number_of_filenames,
	     error ) != 1 )
#endif
	{
		fprintf(
		 stderr,
		 "Unable to free glob.\n" );

		goto on_error;
	}
	return( result );

on_error:
	if( handle != NULL )
	{
		libewf_handle_close(
		 handle,
		 NULL );
		libewf_handle_free(
		 &handle,
		 NULL );
	}
	if( filenames != NULL )
	{
#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
		libewf_glob_wide_free(
		 filenames,
		 number_of_filenames,
		 NULL );
#else
		libewf_glob_free(
		 filenames,
		 number_of_filenames,
		 NULL );
#endif
	}
	return( -1 );
}
示例#2
0
int main( int argc, char * const argv[] )
#endif
{
#if !defined( HAVE_GLOB_H )
	libcsystem_glob_t *glob                                  = NULL;
#endif

	libcerror_error_t *error                                 = NULL;

	libcstring_system_character_t * const *source_filenames = NULL;
	libcstring_system_character_t **ewf_filenames           = NULL;

	libcstring_system_character_t *option_header_codepage   = NULL;
	libcstring_system_character_t *program                  = _LIBCSTRING_SYSTEM_STRING( "ewfdebug" );

	libcstring_system_integer_t option                      = 0;
	size_t first_filename_length                            = 0;
	uint8_t verbose                                         = 0;
	int number_of_filenames                                 = 0;
	int header_codepage                                     = LIBEWF_CODEPAGE_ASCII;
	int result                                              = 0;

	libcnotify_stream_set(
	 stderr,
	 NULL );
	libcnotify_verbose_set(
	 1 );

	if( libclocale_initialize(
             "ewftools",
	     &error ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to initialize locale values.\n" );

		goto on_error;
	}
	if( libcsystem_initialize(
	     _IONBF,
	     &error ) != 1 )
	{
		ewfoutput_version_fprint(
		 stdout,
		 program );

		fprintf(
		 stderr,
		 "Unable to initialize system values.\n" );

		goto on_error;
	}
	while( ( option = libcsystem_getopt(
			   argc,
			   argv,
			   _LIBCSTRING_SYSTEM_STRING( "A:hqvV" ) ) ) != (libcstring_system_integer_t) -1 )
	{
		switch( option )
		{
			case (libcstring_system_integer_t) '?':
			default:
				ewfoutput_version_fprint(
				 stdout,
				 program );

				fprintf(
				 stderr,
				 "Invalid argument: %" PRIs_LIBCSTRING_SYSTEM ".\n",
				 argv[ optind - 1 ] );

				usage_fprint(
				 stdout );

				return( EXIT_FAILURE );

			case (libcstring_system_integer_t) 'A':
				option_header_codepage = optarg;

				break;

			case (libcstring_system_integer_t) 'h':
				ewfoutput_version_fprint(
				 stdout,
				 program );

				usage_fprint(
				 stdout );

				return( EXIT_SUCCESS );

			case (libcstring_system_integer_t) 'q':
				break;

			case (libcstring_system_integer_t) 'v':
				verbose = 1;

				break;

			case (libcstring_system_integer_t) 'V':
				ewfoutput_version_fprint(
				 stdout,
				 program );

				ewfoutput_copyright_fprint(
				 stdout );

				return( EXIT_SUCCESS );
		}
	}
	if( optind == argc )
	{
		ewfoutput_version_fprint(
		 stdout,
		 program );

		fprintf(
		 stderr,
		 "Missing EWF image file(s).\n" );

		usage_fprint(
		 stdout );

		goto on_error;
	}
	ewfoutput_version_fprint(
	 stdout,
	 program );

	libcnotify_verbose_set(
	 verbose );

#if !defined( HAVE_LOCAL_LIBEWF )
	libewf_notify_set_verbose(
	 verbose );
	libewf_notify_set_stream(
	 stderr,
	 NULL );
#endif

	if( option_header_codepage != NULL )
	{
		if( ewfinput_determine_header_codepage(
		     option_header_codepage,
		     &header_codepage,
		     &error ) != 1 )
		{
			libcnotify_print_error_backtrace(
			 error );
			libcerror_error_free(
			 &error );

			fprintf(
			 stderr,
			 "Unsupported header codepage defaulting to: ascii.\n" );

			header_codepage = LIBEWF_CODEPAGE_ASCII;
		}
	}
	if( libcsystem_signal_attach(
	     ewfdebug_signal_handler,
	     &error ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to attach signal handler.\n" );

		libcnotify_print_error_backtrace(
		 error );
		libcerror_error_free(
		 &error );
	}
#if !defined( HAVE_GLOB_H )
	if( libcsystem_glob_initialize(
	     &glob,
	     &error ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to initialize glob.\n" );

		goto on_error;
	}
	if( libcsystem_glob_resolve(
	     glob,
	     &( argv[ optind ] ),
	     argc - optind,
	     &error ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to resolve glob.\n" );

		goto on_error;
	}
	if( libcsystem_glob_get_results(
	     glob,
	     &number_of_filenames,
	     (libcstring_system_character_t ***) &source_filenames,
	     &error ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to retrieve glob results.\n" );

		goto on_error;
	}
#else
	source_filenames    = &( argv[ optind ] );
	number_of_filenames = argc - optind;
#endif

	if( number_of_filenames == 1 )
	{
		first_filename_length = libcstring_system_string_length(
		                         source_filenames[ 0 ] );

#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
		if( libewf_glob_wide(
		     source_filenames[ 0 ],
		     first_filename_length,
		     LIBEWF_FORMAT_UNKNOWN,
		     &ewf_filenames,
		     &number_of_filenames,
		     &error ) != 1 )
#else
		if( libewf_glob(
		     source_filenames[ 0 ],
		     first_filename_length,
		     LIBEWF_FORMAT_UNKNOWN,
		     &ewf_filenames,
		     &number_of_filenames,
		     &error ) != 1 )
#endif
		{
			fprintf(
			 stderr,
			 "Unable to resolve ewf file(s).\n" );

			goto on_error;
		}
		source_filenames = (libcstring_system_character_t * const *) ewf_filenames;
	}
	if( libewf_handle_initialize(
	     &ewfdebug_input_handle,
	     &error ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to initialize input handle.\n" );

		goto on_error;
	}
#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
	result = libewf_handle_open_wide(
	          ewfdebug_input_handle,
	          source_filenames,
	          number_of_filenames,
	          LIBEWF_OPEN_READ,
	          &error );
#else
	result = libewf_handle_open(
	          ewfdebug_input_handle,
	          source_filenames,
	          number_of_filenames,
	          LIBEWF_OPEN_READ,
	          &error );
#endif
#if !defined( HAVE_GLOB_H )
	if( libcsystem_glob_free(
	     &glob,
	     &error ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to free glob.\n" );

		goto on_error;
	}
#endif
	if( ewf_filenames != NULL )
	{
		for( ; number_of_filenames > 0; number_of_filenames-- )
		{
			memory_free(
			 ewf_filenames[ number_of_filenames - 1 ] );
		}
		memory_free(
		 ewf_filenames );
	}
	if( ( ewfdebug_abort == 0 )
	 && ( result != 1 ) )
	{
		fprintf(
		 stderr,
		 "Unable to open EWF file(s).\n" );

		libewf_handle_close(
		 ewfdebug_input_handle,
		 NULL );
		libewf_handle_free(
		 &ewfdebug_input_handle,
		 NULL );

		return( EXIT_FAILURE );
	}
	/* TODO */

	if( libewf_handle_close(
	     ewfdebug_input_handle,
	     &error ) != 0 )
	{
		fprintf(
		 stderr,
		 "Unable to close EWF file(s).\n" );

		libewf_handle_free(
		 &ewfdebug_input_handle,
		 NULL );

		return( EXIT_FAILURE );
	}
	if( libewf_handle_free(
	     &ewfdebug_input_handle,
	     &error ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to free input handle.\n" );

		return( EXIT_FAILURE );
	}
	if( libcsystem_signal_detach(
	     &error ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to detach signal handler.\n" );

		libcnotify_print_error_backtrace(
		 error );
		libcerror_error_free(
		 &error );
	}
	if( ewfdebug_abort != 0 )
	{
		fprintf(
		 stdout,
		 "%" PRIs_LIBCSTRING_SYSTEM ": ABORTED\n",
		 program );

		return( EXIT_FAILURE );
	}
	fprintf(
	 stdout,
	 "Debug completed.\n" );

	return( EXIT_SUCCESS );

on_error:
	if( error != NULL )
	{
		libcnotify_print_error_backtrace(
		 error );
		libcerror_error_free(
		 &error );
	}
#if !defined( HAVE_GLOB_H )
	if( glob != NULL )
	{
		libcsystem_glob_free(
		 &glob,
		 NULL );
	}
#endif
	return( EXIT_FAILURE );
}
示例#3
0
/* Tests writing data of media size to EWF file(s) with a maximum segment size
 * Return 1 if successful, 0 if not or -1 on error
 */
int ewf_test_write_chunk(
     const libcstring_system_character_t *filename,
     size64_t media_size,
     size64_t maximum_segment_size,
     int8_t compression_level,
     uint8_t compression_flags,
     libcerror_error_t **error )
{
	libewf_handle_t *handle             = NULL;
	uint8_t *checksum_buffer            = NULL;
	uint8_t *chunk_buffer               = NULL;
	uint8_t *compressed_chunk_buffer    = NULL;
	static char *function               = "ewf_test_write_chunk";
	size_t chunk_buffer_size            = 0;
	size_t compressed_chunk_buffer_size = 0;
	ssize_t process_count               = 0;
	ssize_t write_count                 = 0;
	uint32_t chunk_checksum             = 0;
	uint32_t sectors_per_chunk          = 0;
	int8_t is_compressed                = 0;
	int8_t process_checksum             = 0;
	int sector_iterator                 = 0;

	if( libewf_handle_initialize(
	     &handle,
	     error ) != 1 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_RUNTIME,
		 LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
		 "%s: unable to create handle.",
		 function );

		goto on_error;
	}
#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
	if( libewf_handle_open_wide(
	     handle,
	     (wchar_t * const *) &filename,
	     1,
	     LIBEWF_OPEN_WRITE,
	     error ) != 1 )
#else
	if( libewf_handle_open(
	     handle,
	     (char * const *) &filename,
	     1,
	     LIBEWF_OPEN_WRITE,
	     error ) != 1 )
#endif
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_IO,
		 LIBCERROR_IO_ERROR_OPEN_FAILED,
		 "%s: unable to open handle.",
		 function );

		goto on_error;
	}
	if( media_size > 0 )
	{
		if( libewf_handle_set_media_size(
		     handle,
		     media_size,
		     error ) != 1 )
		{
			libcerror_error_set(
			 error,
			 LIBCERROR_ERROR_DOMAIN_RUNTIME,
			 LIBCERROR_RUNTIME_ERROR_SET_FAILED,
			 "%s: unable set media size.",
			 function );

			goto on_error;
		}
	}
	if( maximum_segment_size > 0 )
	{
		if( libewf_handle_set_maximum_segment_size(
		     handle,
		     maximum_segment_size,
		     error ) != 1 )
		{
			libcerror_error_set(
			 error,
			 LIBCERROR_ERROR_DOMAIN_RUNTIME,
			 LIBCERROR_RUNTIME_ERROR_SET_FAILED,
			 "%s: unable set maximum segment size.",
			 function );

			goto on_error;
		}
	}
	if( libewf_handle_set_compression_values(
	     handle,
	     compression_level,
	     compression_flags,
	     error ) != 1 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_RUNTIME,
		 LIBCERROR_RUNTIME_ERROR_SET_FAILED,
		 "%s: unable set compression values.",
		 function );

		goto on_error;
	}
	sectors_per_chunk = 64;

	if( libewf_handle_set_sectors_per_chunk(
	     handle,
	     sectors_per_chunk,
	     error ) != 1 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_RUNTIME,
		 LIBCERROR_RUNTIME_ERROR_SET_FAILED,
		 "%s: unable set sectors per chunk.",
		 function );

		goto on_error;
	}
	chunk_buffer_size = sectors_per_chunk * 512;

	/* Use the chunck buffer also as checksum buffer
	 */
	chunk_buffer = (uint8_t *) memory_allocate(
	                            sizeof( uint8_t ) * ( chunk_buffer_size + 4 ) );

	/* The compressed data can become larger than the uncompressed data
	 */
	compressed_chunk_buffer_size = chunk_buffer_size * 2;

	compressed_chunk_buffer = (uint8_t *) memory_allocate(
	                                       sizeof( uint8_t ) * compressed_chunk_buffer_size );

	if( chunk_buffer != NULL )
	{
		checksum_buffer = &( chunk_buffer[ chunk_buffer_size - 1 ] );
	}
	for( sector_iterator = 0;
	     sector_iterator < 26;
	     sector_iterator++ )
	{
		if( memory_set(
		     chunk_buffer,
		     (int) 'A' + sector_iterator,
		     chunk_buffer_size ) == NULL )
		{
			libcerror_error_set(
			 error,
			 LIBCERROR_ERROR_DOMAIN_MEMORY,
			 LIBCERROR_MEMORY_ERROR_SET_FAILED,
			 "%s: unable set value in chunk buffer.",
			 function );

			goto on_error;
		}
		process_count = libewf_handle_prepare_write_chunk(
				 handle,
				 chunk_buffer,
				 chunk_buffer_size,
				 compressed_chunk_buffer,
				 &compressed_chunk_buffer_size,
				 &is_compressed,
				 &chunk_checksum,
				 &process_checksum,
				 error );

		if( process_count == -1 )
		{
			libcerror_error_set(
			 error,
			 LIBCERROR_ERROR_DOMAIN_RUNTIME,
			 LIBCERROR_RUNTIME_ERROR_SET_FAILED,
			 "%s: unable to prepare chunk buffer before writing.",
			 function );

			goto on_error;
		}
		if( is_compressed == 0 )
		{
			write_count = libewf_handle_write_chunk(
				       handle,
				       chunk_buffer,
				       chunk_buffer_size,
				       chunk_buffer_size,
				       is_compressed,
				       checksum_buffer,
				       chunk_checksum,
				       process_checksum,
				       error );
		}
		else
		{
			write_count = libewf_handle_write_chunk(
				       handle,
				       compressed_chunk_buffer,
				       compressed_chunk_buffer_size,
				       chunk_buffer_size,
				       is_compressed,
				       checksum_buffer,
				       chunk_checksum,
				       process_checksum,
				       error );
		}
		if( write_count < 0 )
		{
			libcerror_error_set(
			 error,
			 LIBCERROR_ERROR_DOMAIN_IO,
			 LIBCERROR_IO_ERROR_WRITE_FAILED,
			 "%s: unable write chunk of size: %" PRIzd ".",
			 function,
			 chunk_buffer_size );

			goto on_error;
		}
		if( media_size > (size64_t) chunk_buffer_size )
		{
			media_size -= chunk_buffer_size;
		}
		else if( media_size > 0 )
		{
			media_size = 0;
		}
		if( media_size == 0 )
		{
			break;
		}
	}
	memory_free(
	 compressed_chunk_buffer );

	compressed_chunk_buffer = NULL;
	
	memory_free(
	 chunk_buffer );

	chunk_buffer = NULL;
	
	if( libewf_handle_close(
	     handle,
	     error ) != 0 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_IO,
		 LIBCERROR_IO_ERROR_CLOSE_FAILED,
		 "%s: unable to close handle.",
		 function );

		goto on_error;
	}
	if( libewf_handle_free(
	     &handle,
	     error ) != 1 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_RUNTIME,
		 LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,
		 "%s: unable to free handle.",
		 function );

		goto on_error;
	}
	return( 1 );

on_error:
	if( compressed_chunk_buffer != NULL )
	{
		memory_free(
		 compressed_chunk_buffer );
	}
	if( chunk_buffer != NULL )
	{
		memory_free(
		 chunk_buffer );
	}
	if( handle != NULL )
	{
		libewf_handle_close(
		 handle,
		 NULL );
		libewf_handle_free(
		 &handle,
		 NULL );
	}
	return( -1 );
}
示例#4
0
文件: ewf.c 项目: 0xkasun/OpenDF
TSK_IMG_INFO *
ewf_open(int a_num_img,
    const TSK_TCHAR * const a_images[], unsigned int a_ssize)
{
#if defined( HAVE_LIBEWF_V2_API )
    char error_string[TSK_EWF_ERROR_STRING_SIZE];

    libewf_error_t *ewf_error = NULL;
    int result = 0;
#elif !defined( LIBEWF_STRING_DIGEST_HASH_LENGTH_MD5 )
    uint8_t md5_hash[16];
#endif

    IMG_EWF_INFO *ewf_info = NULL;
    TSK_IMG_INFO *img_info = NULL;

#if !defined( HAVE_LIBEWF_V2_API)
    if (tsk_verbose)
        libewf_set_notify_values(stderr, 1);
#endif

    if ((ewf_info =
            (IMG_EWF_INFO *) tsk_img_malloc(sizeof(IMG_EWF_INFO))) ==
        NULL) {
        return NULL;
    }
    img_info = (TSK_IMG_INFO *) ewf_info;

    // See if they specified only the first of the set...
    ewf_info->used_ewf_glob = 0;
    if (a_num_img == 1) {
#if defined( HAVE_LIBEWF_V2_API)
#ifdef TSK_WIN32
        if (libewf_glob_wide(a_images[0], TSTRLEN(a_images[0]),
                LIBEWF_FORMAT_UNKNOWN, &ewf_info->images,
                &ewf_info->num_imgs, &ewf_error) == -1) {
#else
        if (libewf_glob(a_images[0], TSTRLEN(a_images[0]),
                LIBEWF_FORMAT_UNKNOWN, &ewf_info->images,
                &ewf_info->num_imgs, &ewf_error) == -1) {
#endif
            tsk_error_reset();
            tsk_error_set_errno(TSK_ERR_IMG_MAGIC);

            getError(ewf_error, error_string);
            tsk_error_set_errstr("ewf_open: Not an E01 glob name (%s)",
                error_string);
            libewf_error_free(&ewf_error);
            tsk_img_free(ewf_info);
            return NULL;
        }

#else                           //use v1

#ifdef TSK_WIN32
        ewf_info->num_imgs =
            libewf_glob_wide(a_images[0], TSTRLEN(a_images[0]),
            LIBEWF_FORMAT_UNKNOWN, &ewf_info->images);
#else
        ewf_info->num_imgs =
            libewf_glob(a_images[0], TSTRLEN(a_images[0]),
            LIBEWF_FORMAT_UNKNOWN, &ewf_info->images);
#endif
        if (ewf_info->num_imgs <= 0) {
            tsk_error_reset();
            tsk_error_set_errno(TSK_ERR_IMG_MAGIC);
            tsk_error_set_errstr("ewf_open: Not an E01 glob name");

            tsk_img_free(ewf_info);
            return NULL;
        }
#endif                          // end v1

        ewf_info->used_ewf_glob = 1;
        if (tsk_verbose)
            tsk_fprintf(stderr,
                "ewf_open: found %d segment files via libewf_glob\n",
                ewf_info->num_imgs);
    }
    else {
        int i;
        ewf_info->num_imgs = a_num_img;
        if ((ewf_info->images =
                (TSK_TCHAR **) tsk_malloc(a_num_img *
                    sizeof(TSK_TCHAR *))) == NULL) {
            tsk_img_free(ewf_info);
            return NULL;
        }
        for (i = 0; i < a_num_img; i++) {
            if ((ewf_info->images[i] =
                    (TSK_TCHAR *) tsk_malloc((TSTRLEN(a_images[i]) +
                            1) * sizeof(TSK_TCHAR))) == NULL) {
                tsk_img_free(ewf_info);
                return NULL;
            }
            TSTRNCPY(ewf_info->images[i], a_images[i],
                TSTRLEN(a_images[i]) + 1);
        }
    }


#if defined( HAVE_LIBEWF_V2_API )

    // Check the file signature before we call the library open
#if defined( TSK_WIN32 )
    if (libewf_check_file_signature_wide(a_images[0], &ewf_error) != 1)
#else
    if (libewf_check_file_signature(a_images[0], &ewf_error) != 1)
#endif
    {
        tsk_error_reset();
        tsk_error_set_errno(TSK_ERR_IMG_MAGIC);

        getError(ewf_error, error_string);
        tsk_error_set_errstr("ewf_open: Not an EWF file (%s)",
            error_string);
        libewf_error_free(&ewf_error);

        tsk_img_free(ewf_info);

        if (tsk_verbose != 0) {
            tsk_fprintf(stderr, "Not an EWF file\n");
        }
        return (NULL);
    }

    if (libewf_handle_initialize(&(ewf_info->handle), &ewf_error) != 1) {
        tsk_error_reset();
        tsk_error_set_errno(TSK_ERR_IMG_OPEN);

        getError(ewf_error, error_string);
        tsk_error_set_errstr("ewf_open file: %" PRIttocTSK
            ": Error initializing handle (%s)", a_images[0], error_string);
        libewf_error_free(&ewf_error);

        tsk_img_free(ewf_info);

        if (tsk_verbose != 0) {
            tsk_fprintf(stderr, "Unable to create EWF handle\n");
        }
        return (NULL);
    }
#if defined( TSK_WIN32 )
    if (libewf_handle_open_wide(ewf_info->handle,
            (wchar_t * const *) ewf_info->images,
            ewf_info->num_imgs, LIBEWF_OPEN_READ, &ewf_error) != 1)
#else
    if (libewf_handle_open(ewf_info->handle,
            (char *const *) ewf_info->images,
            ewf_info->num_imgs, LIBEWF_OPEN_READ, &ewf_error) != 1)
#endif
    {
        tsk_error_reset();
        tsk_error_set_errno(TSK_ERR_IMG_OPEN);

        getError(ewf_error, error_string);
        tsk_error_set_errstr("ewf_open file: %" PRIttocTSK
            ": Error opening (%s)", a_images[0], error_string);
        libewf_error_free(&ewf_error);

        tsk_img_free(ewf_info);

        if (tsk_verbose != 0) {
            tsk_fprintf(stderr, "Error opening EWF file\n");
        }
        return (NULL);
    }
    if (libewf_handle_get_media_size(ewf_info->handle,
            (size64_t *) & (img_info->size), &ewf_error) != 1) {
        tsk_error_reset();
        tsk_error_set_errno(TSK_ERR_IMG_OPEN);

        getError(ewf_error, error_string);
        tsk_error_set_errstr("ewf_open file: %" PRIttocTSK
            ": Error getting size of image (%s)", a_images[0],
            error_string);
        libewf_error_free(&ewf_error);

        tsk_img_free(ewf_info);

        if (tsk_verbose != 0) {
            tsk_fprintf(stderr, "Error getting size of EWF file\n");
        }
        return (NULL);
    }
    result = libewf_handle_get_utf8_hash_value_md5(ewf_info->handle,
        (uint8_t *) ewf_info->md5hash, 33, &ewf_error);

    if (result == -1) {
        tsk_error_reset();
        tsk_error_set_errno(TSK_ERR_IMG_OPEN);

        getError(ewf_error, error_string);
        tsk_error_set_errstr("ewf_open file: %" PRIttocTSK
            ": Error getting MD5 of image (%s)", a_images[0],
            error_string);
        libewf_error_free(&ewf_error);

        tsk_img_free(ewf_info);

        if (tsk_verbose != 0) {
            tsk_fprintf(stderr, "Error getting size of EWF file\n");
        }
        return (NULL);
    }
    ewf_info->md5hash_isset = result;

#else                           // V1 API

    // Check the file signature before we call the library open
#if defined( TSK_WIN32 )
    if (libewf_check_file_signature_wide(a_images[0]) != 1)
#else
    if (libewf_check_file_signature(a_images[0]) != 1)
#endif
    {
        tsk_error_reset();
        tsk_error_set_errno(TSK_ERR_IMG_MAGIC);
        tsk_error_set_errstr("ewf_open: Not an EWF file");
        tsk_img_free(ewf_info);
        if (tsk_verbose)
            tsk_fprintf(stderr, "Not an EWF file\n");

        return NULL;
    }

#if defined( TSK_WIN32 )
    ewf_info->handle = libewf_open_wide(
        (wchar_t * const *) ewf_info->images, ewf_info->num_imgs,
        LIBEWF_OPEN_READ);
#else
    ewf_info->handle = libewf_open(
        (char *const *) ewf_info->images, ewf_info->num_imgs,
        LIBEWF_OPEN_READ);
#endif
    if (ewf_info->handle == NULL) {
        tsk_error_reset();
        tsk_error_set_errno(TSK_ERR_IMG_OPEN);
        tsk_error_set_errstr("ewf_open file: %" PRIttocTSK
            ": Error opening", ewf_info->images[0]);
        tsk_img_free(ewf_info);

        if (tsk_verbose != 0) {
            tsk_fprintf(stderr, "Error opening EWF file\n");
        }
        return (NULL);
    }
#if defined( LIBEWF_STRING_DIGEST_HASH_LENGTH_MD5 )
    // 2007 version
    img_info->size = libewf_get_media_size(ewf_info->handle);

    ewf_info->md5hash_isset = libewf_get_stored_md5_hash(ewf_info->handle,
        ewf_info->md5hash, LIBEWF_STRING_DIGEST_HASH_LENGTH_MD5);
#else
    // libewf-20080322 version
    if (libewf_get_media_size(ewf_info->handle,
            (size64_t *) & (img_info->size)) != 1) {
        tsk_error_reset();
        tsk_error_set_errno(TSK_ERR_IMG_OPEN);
        tsk_error_set_errstr("ewf_open file: %" PRIttocTSK
            ": Error getting size of image", ewf_info->images[0]);
        tsk_img_free(ewf_info);
        if (tsk_verbose) {
            tsk_fprintf(stderr, "Error getting size of EWF file\n");
        }
        return (NULL);
    }
    if (libewf_get_md5_hash(ewf_info->handle, md5_hash, 16) == 1) {
        int md5_string_iterator = 0;
        int md5_hash_iterator = 0;

        for (md5_hash_iterator = 0;
            md5_hash_iterator < 16; md5_hash_iterator++) {
            int digit = md5_hash[md5_hash_iterator] / 16;

            if (digit <= 9) {
                ewf_info->md5hash[md5_string_iterator++] =
                    '0' + (char) digit;
            }
            else {
                ewf_info->md5hash[md5_string_iterator++] =
                    'a' + (char) (digit - 10);
            }
            digit = md5_hash[md5_hash_iterator] % 16;

            if (digit <= 9) {
                ewf_info->md5hash[md5_string_iterator++] =
                    '0' + (char) digit;
            }
            else {
                ewf_info->md5hash[md5_string_iterator++] =
                    'a' + (char) (digit - 10);
            }
        }
        ewf_info->md5hash_isset = 1;
    }
#endif                          /* defined( LIBEWF_STRING_DIGEST_HASH_LENGTH_MD5 ) */
#endif                          /* defined( HAVE_LIBEWF_V2_API ) */
    if (a_ssize != 0) {
        img_info->sector_size = a_ssize;
    }
    else {
        img_info->sector_size = 512;
    }
    img_info->itype = TSK_IMG_TYPE_EWF_EWF;
    img_info->read = &ewf_image_read;
    img_info->close = &ewf_image_close;
    img_info->imgstat = &ewf_image_imgstat;

    // initialize the read lock
    tsk_init_lock(&(ewf_info->read_lock));

    return (img_info);
}
int main( int argc, char * const argv[] )
#endif
{
	libcstring_system_character_t *target_filename = NULL;
	liberror_error_t *error                        = NULL;
	libewf_handle_t *handle                        = NULL;
	libcstring_system_integer_t option             = 0;
	off64_t read_offset                            = 0;
	size64_t media_size                            = 0;
	size64_t read_size                             = 0;
	size32_t chunk_size                            = 0;
	size_t delta_segment_filename_length           = 0;

	while( ( option = libsystem_getopt(
	                   argc,
	                   argv,
	                   _LIBCSTRING_SYSTEM_STRING( "t:" ) ) ) != (libcstring_system_integer_t) -1 )
	{
		switch( option )
		{
			case (libcstring_system_integer_t) '?':
			default:
				fprintf(
				 stderr,
				 "Invalid argument: %" PRIs_LIBCSTRING_SYSTEM ".\n",
				 argv[ optind - 1 ] );

				return( EXIT_FAILURE );

			case (libcstring_system_integer_t) 't':
				target_filename = optarg;

				break;
		}
	}
	if( optind == argc )
	{
		fprintf(
		 stderr,
		 "Missing EWF image filename(s).\n" );

		return( EXIT_FAILURE );
	}
	/* Initialization
	 */
	if( libewf_handle_initialize(
	     &handle,
	     &error ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to create handle.\n" );

		goto on_error;
	}
/*
#if defined( HAVE_DEBUG_OUTPUT )
	libewf_notify_set_verbose(
	 1 );
	libewf_notify_set_stream(
	 stderr,
	 NULL );
#endif
*/

#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
	if( libewf_handle_open_wide(
	     handle,
	     &( argv[ optind ] ),
	     argc - optind,
	     LIBEWF_OPEN_READ_WRITE,
	     &error ) != 1 )
#else
	if( libewf_handle_open(
	     handle,
	     &( argv[ optind ] ),
	     argc - optind,
	     LIBEWF_OPEN_READ_WRITE,
	     &error ) != 1 )
#endif
	{
		fprintf(
		 stderr,
		 "Unable to open file(s).\n" );

		goto on_error;
	}
	if( target_filename != NULL )
	{
		delta_segment_filename_length = libcstring_system_string_length(
		                                 target_filename );

#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
		if( libewf_handle_set_delta_segment_filename_wide(
		     handle,
		     target_filename,
		     delta_segment_filename_length,
		     &error ) != 1 )
#else
		if( libewf_handle_set_delta_segment_filename(
		     handle,
		     target_filename,
		     delta_segment_filename_length,
		     &error ) != 1 )
#endif
		{
			fprintf(
			 stderr,
			 "Unable to set delta segment filename.\n" );

			goto on_error;
		}
	}
	if( libewf_handle_get_media_size(
	     handle,
	     &media_size,
	     &error ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to retrieve media size.\n" );

		goto on_error;
	}
	if( media_size > (size64_t) INT64_MAX )
	{
		fprintf(
		 stderr,
		 "Media size exceeds maximum.\n" );

		goto on_error;
	}
	if( libewf_handle_get_chunk_size(
	     handle,
	     &chunk_size,
	     &error ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to retrieve chunk size.\n" );

		goto on_error;
	}
	if( chunk_size == 0 )
	{
		fprintf(
		 stderr,
		 "Invalid chunk size.\n" );

		goto on_error;
	}
	fprintf(
	 stdout,
	 "Media size: %" PRIu64 " bytes\n",
	 media_size );

	/* Case 0: test full read
	 */

	/* Test: offset: 0 size: <media_size>
	 * Expected result: offset: 0 size: <media_size>
	 */
	read_offset = 0;
	read_size   = media_size;

	if( ewf_test_read_write_buffer_at_offset(
	     handle,
	     read_offset,
	     SEEK_SET,
	     read_size,
	     read_offset,
	     read_size ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to test read/write buffer.\n" );

		goto on_error;
	}
	if( ewf_test_read_write_buffer_at_offset(
	     handle,
	     read_offset,
	     SEEK_SET,
	     read_size,
	     read_offset,
	     read_size ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to test read/write buffer.\n" );

		goto on_error;
	}

	/* Case 1: test random read
	 */

	/* Test: offset: <media_size / 7> size: <media_size / 2>
	 * Expected result: offset: <media_size / 7> size: <media_size / 2>
	 */
	read_offset = (off64_t) ( media_size / 7 );
	read_size   = media_size / 2;

	if( ewf_test_read_write_buffer_at_offset(
	     handle,
	     read_offset,
	     SEEK_SET,
	     read_size,
	     read_offset,
	     read_size ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to test read/write buffer.\n" );

		goto on_error;
	}
	if( ewf_test_read_write_buffer_at_offset(
	     handle,
	     read_offset,
	     SEEK_SET,
	     read_size,
	     read_offset,
	     read_size ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to test read/write buffer.\n" );

		goto on_error;
	}

	/* Case 2: test read buffer beyond media size
	 */
	if( media_size < 1024 )
	{
		/* Test: offset: <media_size - 1024> size: 4096
		 * Expected result: offset: -1 size: <undetermined>
		 */
		read_offset = (off64_t) ( media_size - 1024 );
		read_size   = 4096;

		if( ewf_test_read_write_buffer_at_offset(
		     handle,
		     read_offset,
		     SEEK_SET,
		     read_size,
		     -1,
		     (size64_t) -1 ) != 1 )
		{
			fprintf(
			 stderr,
			 "Unable to test read/write buffer.\n" );

			goto on_error;
		}
		if( ewf_test_read_write_buffer_at_offset(
		     handle,
		     read_offset,
		     SEEK_SET,
		     read_size,
		     -1,
		     (size64_t) -1 ) != 1 )
		{
			fprintf(
			 stderr,
			 "Unable to test read/write buffer.\n" );

			goto on_error;
		}
	}
	else
	{
		/* Test: offset: <media_size - 1024> size: 4096
		 * Expected result: offset: <media_size - 1024> size: 1024
		 */
		read_offset = (off64_t) ( media_size - 1024 );
		read_size   = 4096;

		if( ewf_test_read_write_buffer_at_offset(
		     handle,
		     read_offset,
		     SEEK_SET,
		     read_size,
		     read_offset,
		     1024 ) != 1 )
		{
			fprintf(
			 stderr,
			 "Unable to test read/write buffer.\n" );

			goto on_error;
		}
		if( ewf_test_read_write_buffer_at_offset(
		     handle,
		     read_offset,
		     SEEK_SET,
		     read_size,
		     read_offset,
		     1024 ) != 1 )
		{
			fprintf(
			 stderr,
			 "Unable to test read/write buffer.\n" );

			goto on_error;
		}
	}
	fprintf(
	 stdout,
	 "\nChunk size: %" PRIu32 " bytes\n",
	 chunk_size );

	/* Case 0: test full read
	 */

	/* Test: offset: 0 size: <media_size>
	 * Expected result: offset: 0 size: <media_size>
	 */
	read_offset = 0;
	read_size   = media_size;

	if( ewf_test_read_write_chunk_at_offset(
	     handle,
	     chunk_size,
	     read_offset,
	     SEEK_SET,
	     read_size,
	     read_offset,
	     read_size ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to test read/write chunk.\n" );

		goto on_error;
	}
	if( ewf_test_read_write_chunk_at_offset(
	     handle,
	     chunk_size,
	     read_offset,
	     SEEK_SET,
	     read_size,
	     read_offset,
	     read_size ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to test read/write chunk.\n" );

		goto on_error;
	}

	/* Case 1: test random read
	 */

	/* Test: offset: <( ( media_size / 7 ) / chunk_size ) * chunk_size> size: <( ( ( media_size / 2 ) / chunk_size ) + 1 ) * chunk_size>
	 * Expected result: offset: <( ( media_size / 7 ) / chunk_size ) * chunk_size> size: <( ( ( media_size / 2 ) / chunk_size ) + 1 ) * chunk_size>
	 */
	read_offset = (off64_t) ( ( media_size / 7 ) / chunk_size ) * chunk_size;
	read_size   = ( ( ( media_size / 2 ) / chunk_size ) + 1 ) * chunk_size;

	if( media_size == 0 )
	{
		if( ewf_test_read_write_chunk_at_offset(
		     handle,
		     chunk_size,
		     read_offset,
		     SEEK_SET,
		     read_size,
		     read_offset,
		     0 ) != 1 )
		{
			fprintf(
			 stderr,
			 "Unable to test read/write chunk.\n" );

			goto on_error;
		}
		if( ewf_test_read_write_chunk_at_offset(
		     handle,
		     chunk_size,
		     read_offset,
		     SEEK_SET,
		     read_size,
		     read_offset,
		     0 ) != 1 )
		{
			fprintf(
			 stderr,
			 "Unable to test read/write chunk.\n" );

			goto on_error;
		}
	}
	else
	{
		if( ewf_test_read_write_chunk_at_offset(
		     handle,
		     chunk_size,
		     read_offset,
		     SEEK_SET,
		     read_size,
		     read_offset,
		     read_size ) != 1 )
		{
			fprintf(
			 stderr,
			 "Unable to test read/write chunk.\n" );

			goto on_error;
		}
		if( ewf_test_read_write_chunk_at_offset(
		     handle,
		     chunk_size,
		     read_offset,
		     SEEK_SET,
		     read_size,
		     read_offset,
		     read_size ) != 1 )
		{
			fprintf(
			 stderr,
			 "Unable to test read/write chunk.\n" );

			goto on_error;
		}
	}
	/* Case 2: test read chunk beyond media size
	 */
	if( media_size < 1024 )
	{
		/* Test: offset: <media_size - 1024> size: chunk_size
		 * Expected result: offset: -1 size: <undetermined>
		 */
		read_offset = (off64_t) ( media_size - 1024 );
		read_size   = chunk_size;

		if( ewf_test_read_write_chunk_at_offset(
		     handle,
		     chunk_size,
		     read_offset,
		     SEEK_SET,
		     read_size,
		     -1,
		     (size64_t) -1 ) != 1 )
		{
			fprintf(
			 stderr,
			 "Unable to test read/write chunk.\n" );

			goto on_error;
		}
		if( ewf_test_read_write_chunk_at_offset(
		     handle,
		     chunk_size,
		     read_offset,
		     SEEK_SET,
		     read_size,
		     -1,
		     (size64_t) -1 ) != 1 )
		{
			fprintf(
			 stderr,
			 "Unable to test read/write chunk.\n" );

			goto on_error;
		}
	}
	else
	{
		/* Test: offset: <media_size - 1024> size: chunk_size
		 * Expected result: offset: <media_size - 1024> size: chunk size or media_size % chunk_size
		 */
		read_offset = (off64_t) ( media_size - 1024 );
		read_size   = chunk_size;

		if( ewf_test_read_write_chunk_at_offset(
		     handle,
		     chunk_size,
		     read_offset,
		     SEEK_SET,
		     read_size,
		     (off64_t) ( media_size - 1024 ),
		     ( ( media_size % chunk_size ) == 0 ) ? chunk_size : media_size % chunk_size ) != 1 )
		{
			fprintf(
			 stderr,
			 "Unable to test read/write chunk.\n" );

			goto on_error;
		}
		if( ewf_test_read_write_chunk_at_offset(
		     handle,
		     chunk_size,
		     read_offset,
		     SEEK_SET,
		     read_size,
		     (off64_t) ( media_size - 1024 ),
		     ( ( media_size % chunk_size ) == 0 ) ? chunk_size : media_size % chunk_size ) != 1 )
		{
			fprintf(
			 stderr,
			 "Unable to test read/write chunk.\n" );

			goto on_error;
		}
	}
	/* Clean up
	 */
	if( libewf_handle_close(
	     handle,
	     &error ) != 0 )
	{
		fprintf(
		 stderr,
		 "Unable to close file(s).\n" );

		goto on_error;
	}
	if( libewf_handle_free(
	     &handle,
	     &error ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to free handle.\n" );

		goto on_error;
	}
	return( EXIT_SUCCESS );

on_error:
	if( error != NULL )
	{
		libewf_error_backtrace_fprint(
		 error,
		 stderr );
		libewf_error_free(
		 &error );
	}
	if( handle != NULL )
	{
		libewf_handle_close(
		 handle,
		 NULL );
		libewf_handle_free(
		 &handle,
		 NULL );
	}
	return( EXIT_FAILURE );
}
示例#6
0
int main( int argc, char * const argv[] )
#endif
{
	libcerror_error_t *error = NULL;
	libewf_handle_t *handle = NULL;
	off64_t read_offset     = 0;
	size64_t media_size     = 0;
	size64_t read_size      = 0;
	size32_t chunk_size     = 0;

	if( argc < 2 )
	{
		fprintf(
		 stderr,
		 "Missing filename(s).\n" );

		return( EXIT_FAILURE );
	}
#if defined( HAVE_DEBUG_OUTPUT ) && defined( EWF_TEST_READ_VERBOSE )
	libewf_notify_set_verbose(
	 1 );
	libewf_notify_set_stream(
	 stderr,
	 NULL );
#endif
	/* Initialization
	 */
	if( libewf_handle_initialize(
	     &handle,
	     &error ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to create handle.\n" );

		goto on_error;
	}
#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
	if( libewf_handle_open_wide(
	     handle,
	     &( argv[ 1 ] ),
	     argc - 1,
	     LIBEWF_OPEN_READ,
	     &error ) != 1 )
#else
	if( libewf_handle_open(
	     handle,
	     &( argv[ 1 ] ),
	     argc - 1,
	     LIBEWF_OPEN_READ,
	     &error ) != 1 )
#endif
	{
		fprintf(
		 stderr,
		 "Unable to open file(s).\n" );

		goto on_error;
	}
	if( libewf_handle_get_media_size(
	     handle,
	     &media_size,
	     &error ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to retrieve media size.\n" );

		goto on_error;
	}
	if( media_size > (size64_t) INT64_MAX )
	{
		fprintf(
		 stderr,
		 "Media size exceeds maximum.\n" );

		goto on_error;
	}
	if( libewf_handle_get_chunk_size(
	     handle,
	     &chunk_size,
	     &error ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to retrieve chunk size.\n" );

		goto on_error;
	}
	if( chunk_size == 0 )
	{
		fprintf(
		 stderr,
		 "Invalid chunk size.\n" );

		goto on_error;
	}
	fprintf(
	 stdout,
	 "Media size: %" PRIu64 " bytes\n",
	 media_size );

	/* Case 0: test full read
	 */

	/* Test: offset: 0 size: <media_size>
	 * Expected result: offset: 0 size: <media_size>
	 */
	read_offset = 0;
	read_size   = media_size;

	if( ewf_test_read_buffer_at_offset(
	     handle,
	     read_offset,
	     SEEK_SET,
	     read_size,
	     read_offset,
	     read_size ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to test read buffer.\n" );

		goto on_error;
	}
	if( ewf_test_read_buffer_at_offset(
	     handle,
	     read_offset,
	     SEEK_SET,
	     read_size,
	     read_offset,
	     read_size ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to test read buffer.\n" );

		goto on_error;
	}

	/* Case 1: test random read
	 */

	/* Test: offset: <media_size / 7> size: <media_size / 2>
	 * Expected result: offset: <media_size / 7> size: <media_size / 2>
	 */
	read_offset = (off64_t) ( media_size / 7 );
	read_size   = media_size / 2;

	if( ewf_test_read_buffer_at_offset(
	     handle,
	     read_offset,
	     SEEK_SET,
	     read_size,
	     read_offset,
	     read_size ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to test read buffer.\n" );

		goto on_error;
	}
	if( ewf_test_read_buffer_at_offset(
	     handle,
	     read_offset,
	     SEEK_SET,
	     read_size,
	     read_offset,
	     read_size ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to test read buffer.\n" );

		goto on_error;
	}

	/* Case 2: test read buffer beyond media size
	 */
	if( media_size < 1024 )
	{
		/* Test: offset: <media_size - 1024> size: 4096
		 * Expected result: offset: -1 size: <undetermined>
		 */
		read_offset = (off64_t) ( media_size - 1024 );
		read_size   = 4096;

		if( ewf_test_read_buffer_at_offset(
		     handle,
		     read_offset,
		     SEEK_SET,
		     read_size,
		     -1,
		     (size64_t) -1 ) != 1 )
		{
			fprintf(
			 stderr,
			 "Unable to test read buffer.\n" );

			goto on_error;
		}
		if( ewf_test_read_buffer_at_offset(
		     handle,
		     read_offset,
		     SEEK_SET,
		     read_size,
		     -1,
		     (size64_t) -1 ) != 1 )
		{
			fprintf(
			 stderr,
			 "Unable to test read buffer.\n" );

			goto on_error;
		}
	}
	else
	{
		/* Test: offset: <media_size - 1024> size: 4096
		 * Expected result: offset: <media_size - 1024> size: 1024
		 */
		read_offset = (off64_t) ( media_size - 1024 );
		read_size   = 4096;

		if( ewf_test_read_buffer_at_offset(
		     handle,
		     read_offset,
		     SEEK_SET,
		     read_size,
		     read_offset,
		     1024 ) != 1 )
		{
			fprintf(
			 stderr,
			 "Unable to test read buffer.\n" );

			goto on_error;
		}
		if( ewf_test_read_buffer_at_offset(
		     handle,
		     read_offset,
		     SEEK_SET,
		     read_size,
		     read_offset,
		     1024 ) != 1 )
		{
			fprintf(
			 stderr,
			 "Unable to test read buffer.\n" );

			goto on_error;
		}
	}
	fprintf(
	 stdout,
	 "\nChunk size: %" PRIu32 " bytes\n",
	 chunk_size );

	/* Case 0: test full read
	 */

	/* Test: offset: 0 size: <media_size>
	 * Expected result: offset: 0 size: <media_size>
	 */
	read_offset = 0;
	read_size   = media_size;

	if( ewf_test_read_chunk_at_offset(
	     handle,
	     chunk_size,
	     read_offset,
	     SEEK_SET,
	     read_size,
	     read_offset,
	     read_size ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to test read chunk.\n" );

		goto on_error;
	}
	if( ewf_test_read_chunk_at_offset(
	     handle,
	     chunk_size,
	     read_offset,
	     SEEK_SET,
	     read_size,
	     read_offset,
	     read_size ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to test read chunk.\n" );

		goto on_error;
	}

	/* Case 1: test random read
	 */

	/* Test: offset: <( ( media_size / 7 ) / chunk_size ) * chunk_size> size: <( ( ( media_size / 2 ) / chunk_size ) + 1 ) * chunk_size>
	 * Expected result: offset: <( ( media_size / 7 ) / chunk_size ) * chunk_size> size: <( ( ( media_size / 2 ) / chunk_size ) + 1 ) * chunk_size>
	 */
	read_offset = (off64_t) ( ( media_size / 7 ) / chunk_size ) * chunk_size;
	read_size   = ( ( ( media_size / 2 ) / chunk_size ) + 1 ) * chunk_size;

	if( media_size == 0 )
	{
		if( ewf_test_read_chunk_at_offset(
		     handle,
		     chunk_size,
		     read_offset,
		     SEEK_SET,
		     read_size,
		     read_offset,
		     0 ) != 1 )
		{
			fprintf(
			 stderr,
			 "Unable to test read chunk.\n" );

			goto on_error;
		}
		if( ewf_test_read_chunk_at_offset(
		     handle,
		     chunk_size,
		     read_offset,
		     SEEK_SET,
		     read_size,
		     read_offset,
		     0 ) != 1 )
		{
			fprintf(
			 stderr,
			 "Unable to test read chunk.\n" );

			goto on_error;
		}
	}
	else
	{
		if( ewf_test_read_chunk_at_offset(
		     handle,
		     chunk_size,
		     read_offset,
		     SEEK_SET,
		     read_size,
		     read_offset,
		     read_size ) != 1 )
		{
			fprintf(
			 stderr,
			 "Unable to test read chunk.\n" );

			goto on_error;
		}
		if( ewf_test_read_chunk_at_offset(
		     handle,
		     chunk_size,
		     read_offset,
		     SEEK_SET,
		     read_size,
		     read_offset,
		     read_size ) != 1 )
		{
			fprintf(
			 stderr,
			 "Unable to test read chunk.\n" );

			goto on_error;
		}
	}
	/* Case 2: test read chunk beyond media size
	 */
	if( media_size < 1024 )
	{
		/* Test: offset: <media_size - 1024> size: chunk_size
		 * Expected result: offset: -1 size: <undetermined>
		 */
		read_offset = (off64_t) ( media_size - 1024 );
		read_size   = chunk_size;

		if( ewf_test_read_chunk_at_offset(
		     handle,
		     chunk_size,
		     read_offset,
		     SEEK_SET,
		     read_size,
		     -1,
		     (size64_t) -1 ) != 1 )
		{
			fprintf(
			 stderr,
			 "Unable to test read chunk.\n" );

			goto on_error;
		}
		if( ewf_test_read_chunk_at_offset(
		     handle,
		     chunk_size,
		     read_offset,
		     SEEK_SET,
		     read_size,
		     -1,
		     (size64_t) -1 ) != 1 )
		{
			fprintf(
			 stderr,
			 "Unable to test read chunk.\n" );

			goto on_error;
		}
	}
	else
	{
		/* Test: offset: <media_size - 1024> size: chunk_size
		 * Expected result: offset: <media_size - 1024> size: chunk size or media_size % chunk_size
		 */
		read_offset = (off64_t) ( media_size - 1024 );
		read_size   = chunk_size;

		if( ewf_test_read_chunk_at_offset(
		     handle,
		     chunk_size,
		     read_offset,
		     SEEK_SET,
		     read_size,
		     (off64_t) ( media_size - 1024 ),
		     ( ( media_size % chunk_size ) == 0 ) ? chunk_size : media_size % chunk_size ) != 1 )
		{
			fprintf(
			 stderr,
			 "Unable to test read chunk.\n" );

			goto on_error;
		}
		if( ewf_test_read_chunk_at_offset(
		     handle,
		     chunk_size,
		     read_offset,
		     SEEK_SET,
		     read_size,
		     (off64_t) ( media_size - 1024 ),
		     ( ( media_size % chunk_size ) == 0 ) ? chunk_size : media_size % chunk_size ) != 1 )
		{
			fprintf(
			 stderr,
			 "Unable to test read chunk.\n" );

			goto on_error;
		}
	}
	/* Clean up
	 */
	if( libewf_handle_close(
	     handle,
	     &error ) != 0 )
	{
		fprintf(
		 stderr,
		 "Unable to close file(s).\n" );

		goto on_error;
	}
	if( libewf_handle_free(
	     &handle,
	     &error ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to free handle.\n" );

		goto on_error;
	}
	return( EXIT_SUCCESS );

on_error:
	if( error != NULL )
	{
		libewf_error_backtrace_fprint(
		 error,
		 stderr );
		libewf_error_free(
		 &error );
	}
	if( handle != NULL )
	{
		libewf_handle_close(
		 handle,
		 NULL );
		libewf_handle_free(
		 &handle,
		 NULL );
	}
	return( EXIT_FAILURE );
}
示例#7
0
int main( int argc, char * const argv[] )
#endif
{
	libcstring_system_character_t **filenames = NULL;
	libewf_error_t *error                     = NULL;
	libewf_handle_t *handle                   = NULL;
	size64_t media_size                       = 0;
	int number_of_filenames                   = 0;

	if( argc < 2 )
	{
		fprintf(
		 stderr,
		 "Missing filename(s).\n" );

		return( EXIT_FAILURE );
	}
#if defined( HAVE_DEBUG_OUTPUT ) && defined( EWF_TEST_SEEK_VERBOSE )
	libewf_notify_set_verbose(
	 1 );
	libewf_notify_set_stream(
	 stderr,
	 NULL );
#endif
#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
	if( libewf_glob_wide(
	     argv[ 1 ],
	     libcstring_wide_string_length(
	      argv[ 1 ] ),
	     LIBEWF_FORMAT_UNKNOWN,
	     &filenames,
	     &number_of_filenames,
	     &error ) != 1 )
#else
	if( libewf_glob(
	     argv[ 1 ],
	     libcstring_narrow_string_length(
	      argv[ 1 ] ),
	     LIBEWF_FORMAT_UNKNOWN,
	     &filenames,
	     &number_of_filenames,
	     &error ) != 1 )
#endif
	{
		fprintf(
		 stderr,
		 "Unable to glob filenames.\n" );

		goto on_error;
	}
	if( number_of_filenames < 0 )
	{
		fprintf(
		 stderr,
		 "Invalid number of filenames.\n" );

		goto on_error;
	}
	else if( number_of_filenames == 0 )
	{
		fprintf(
		 stderr,
		 "Missing filenames.\n" );

		goto on_error;
	}
	/* Initialization
	 */
	if( libewf_handle_initialize(
	     &handle,
	     &error ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to create handle.\n" );

		goto on_error;
	}
#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
	if( libewf_handle_open_wide(
	     handle,
	     filenames,
	     number_of_filenames,
	     LIBEWF_OPEN_READ,
	     &error ) != 1 )
#else
	if( libewf_handle_open(
	     handle,
	     filenames,
	     number_of_filenames,
	     LIBEWF_OPEN_READ,
	     &error ) != 1 )
#endif
	{
		fprintf(
		 stderr,
		 "Unable to open handle.\n" );

		goto on_error;
	}
	if( libewf_handle_get_media_size(
	     handle,
	     &media_size,
	     &error ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to retrieve media size.\n" );

		goto on_error;
	}
	if( ewf_handle_test_seek(
	     handle,
	     media_size ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to seek in handle.\n" );

		goto on_error;
	}
	/* Clean up
	 */
	if( libewf_handle_close(
	     handle,
	     &error ) != 0 )
	{
		fprintf(
		 stderr,
		 "Unable to close handle.\n" );

		goto on_error;
	}
	if( libewf_handle_free(
	     &handle,
	     &error ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to free handle.\n" );

		goto on_error;
	}
#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
	if( libewf_glob_wide_free(
	     filenames,
	     number_of_filenames,
	     &error ) != 1 )
#else
	if( libewf_glob_free(
	     filenames,
	     number_of_filenames,
	     &error ) != 1 )
#endif
	{
		fprintf(
		 stderr,
		 "Unable to free glob.\n" );

		goto on_error;
	}
	return( EXIT_SUCCESS );

on_error:
	if( error != NULL )
	{
		libewf_error_backtrace_fprint(
		 error,
		 stderr );
		libewf_error_free(
		 &error );
	}
	if( handle != NULL )
	{
		libewf_handle_close(
		 handle,
		 NULL );
		libewf_handle_free(
		 &handle,
		 NULL );
	}
	if( filenames != NULL )
	{
#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
		libewf_glob_wide_free(
		 filenames,
		 number_of_filenames,
		 NULL );
#else
		libewf_glob_free(
		 filenames,
		 number_of_filenames,
		 NULL );
#endif
	}
	return( EXIT_FAILURE );
}
示例#8
0
/* Tests writing data of media size to EWF file(s) with a maximum segment size
 * Return 1 if successful, 0 if not or -1 on error
 */
int ewf_test_write(
     const char *filename,
     size64_t media_size,
     size64_t maximum_segment_size,
     int8_t compression_level,
     uint8_t compression_flags,
     liberror_error_t **error )
{
	libewf_handle_t *handle = NULL;
	uint8_t *buffer         = NULL;
	static char *function   = "ewf_test_write";
	size_t write_size       = 0;
	ssize_t write_count     = 0;
	int sector_iterator     = 0;

	if( libewf_handle_initialize(
	     &handle,
	     error ) != 1 )
	{
		liberror_error_set(
		 error,
		 LIBERROR_ERROR_DOMAIN_RUNTIME,
		 LIBERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
		 "%s: unable to create handle.",
		 function );

		goto on_error;
	}
#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
	if( libewf_handle_open_wide(
	     handle,
	     (wchar_t * const *) &filename,
	     1,
	     LIBEWF_OPEN_WRITE,
	     error ) != 1 )
#else
	if( libewf_handle_open(
	     handle,
	     (char * const *) &filename,
	     1,
	     LIBEWF_OPEN_WRITE,
	     error ) != 1 )
#endif
	{
		liberror_error_set(
		 error,
		 LIBERROR_ERROR_DOMAIN_IO,
		 LIBERROR_IO_ERROR_OPEN_FAILED,
		 "%s: unable to open handle.",
		 function );

		goto on_error;
	}
	if( media_size > 0 )
	{
		if( libewf_handle_set_media_size(
		     handle,
		     media_size,
		     error ) != 1 )
		{
			liberror_error_set(
			 error,
			 LIBERROR_ERROR_DOMAIN_RUNTIME,
			 LIBERROR_RUNTIME_ERROR_SET_FAILED,
			 "%s: unable set media size.",
			 function );

			goto on_error;
		}
	}
	if( maximum_segment_size > 0 )
	{
		if( libewf_handle_set_maximum_segment_size(
		     handle,
		     maximum_segment_size,
		     error ) != 1 )
		{
			liberror_error_set(
			 error,
			 LIBERROR_ERROR_DOMAIN_RUNTIME,
			 LIBERROR_RUNTIME_ERROR_SET_FAILED,
			 "%s: unable set maximum segment size.",
			 function );

			goto on_error;
		}
	}
	if( libewf_handle_set_compression_values(
	     handle,
	     compression_level,
	     compression_flags,
	     error ) != 1 )
	{
		liberror_error_set(
		 error,
		 LIBERROR_ERROR_DOMAIN_RUNTIME,
		 LIBERROR_RUNTIME_ERROR_SET_FAILED,
		 "%s: unable set compression values.",
		 function );

		goto on_error;
	}
	buffer = (uint8_t *) memory_allocate(
	                      EWF_TEST_BUFFER_SIZE );

	if( buffer == NULL )
	{
		liberror_error_set(
		 error,
		 LIBERROR_ERROR_DOMAIN_MEMORY,
		 LIBERROR_MEMORY_ERROR_INSUFFICIENT,
		 "%s: unable created buffer.",
		 function );

		goto on_error;
	}
	write_size = 512;

	for( sector_iterator = 0;
	     sector_iterator < 26;
	     sector_iterator++ )
	{
		if( memory_set(
		     buffer,
		     (int) 'A' + sector_iterator,
		     write_size ) == NULL )
		{
			liberror_error_set(
			 error,
			 LIBERROR_ERROR_DOMAIN_MEMORY,
			 LIBERROR_MEMORY_ERROR_SET_FAILED,
			 "%s: unable set value in buffer.",
			 function );

			goto on_error;
		}
		write_count = libewf_handle_write_buffer(
			       handle,
			       buffer,
			       write_size,
			       error );

		if( write_count < 0 )
		{
			liberror_error_set(
			 error,
			 LIBERROR_ERROR_DOMAIN_IO,
			 LIBERROR_IO_ERROR_WRITE_FAILED,
			 "%s: unable write buffer of size: %" PRIzd ".",
			 function,
			 write_size );

			goto on_error;
		}
		if( write_count != (ssize_t) write_size )
		{
			if( (size64_t) write_count != media_size )
			{
				liberror_error_set(
				 error,
				 LIBERROR_ERROR_DOMAIN_IO,
				 LIBERROR_IO_ERROR_WRITE_FAILED,
				 "%s: unable write buffer of size: %" PRIzd ".",
				 function,
				 write_size );

				goto on_error;
			}
		}
		if( media_size > 0 )
		{
			media_size -= write_count;
		}
	}
	write_size = 3751;

	for( sector_iterator = 0;
	     sector_iterator < 26;
	     sector_iterator++ )
	{
		if( memory_set(
		     buffer,
		     (int) 'a' + sector_iterator,
		     write_size ) == NULL )
		{
			liberror_error_set(
			 error,
			 LIBERROR_ERROR_DOMAIN_MEMORY,
			 LIBERROR_MEMORY_ERROR_SET_FAILED,
			 "%s: unable set value in buffer.",
			 function );

			goto on_error;
		}
		write_count = libewf_handle_write_buffer(
			       handle,
			       buffer,
			       write_size,
			       error );

		if( write_count < 0 )
		{
			liberror_error_set(
			 error,
			 LIBERROR_ERROR_DOMAIN_IO,
			 LIBERROR_IO_ERROR_WRITE_FAILED,
			 "%s: unable write buffer of size: %" PRIzd ".",
			 function,
			 write_size );

			goto on_error;
		}
		if( write_count != (ssize_t) write_size )
		{
			if( (size64_t) write_count != media_size )
			{
				liberror_error_set(
				 error,
				 LIBERROR_ERROR_DOMAIN_IO,
				 LIBERROR_IO_ERROR_WRITE_FAILED,
				 "%s: unable write buffer of size: %" PRIzd ".",
				 function,
				 write_size );

				goto on_error;
			}
		}
		if( media_size > 0 )
		{
			media_size -= write_count;
		}
	}
	memory_free(
	 buffer );

	buffer = NULL;
	
	if( libewf_handle_close(
	     handle,
	     error ) != 0 )
	{
		liberror_error_set(
		 error,
		 LIBERROR_ERROR_DOMAIN_IO,
		 LIBERROR_IO_ERROR_CLOSE_FAILED,
		 "%s: unable to close handle.",
		 function );

		goto on_error;
	}
	if( libewf_handle_free(
	     &handle,
	     error ) != 1 )
	{
		liberror_error_set(
		 error,
		 LIBERROR_ERROR_DOMAIN_RUNTIME,
		 LIBERROR_RUNTIME_ERROR_FINALIZE_FAILED,
		 "%s: unable to free handle.",
		 function );

		goto on_error;
	}
	return( 1 );

on_error:
	if( buffer != NULL )
	{
		memory_free(
		 buffer );
	}
	if( handle != NULL )
	{
		libewf_handle_close(
		 handle,
		 NULL );
		libewf_handle_free(
		 &handle,
		 NULL );
	}
	return( -1 );
}
示例#9
0
/* Opens the input of the mount handle
 * Returns 1 if successful or -1 on error
 */
int mount_handle_open_input(
     mount_handle_t *mount_handle,
     libcstring_system_character_t * const * filenames,
     int number_of_filenames,
     libcerror_error_t **error )
{
	libcstring_system_character_t **libewf_filenames = NULL;
	static char *function                            = "mount_handle_open_input";
	size_t first_filename_length                     = 0;

	if( mount_handle == NULL )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
		 LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
		 "%s: invalid mount handle.",
		 function );

		return( -1 );
	}
	if( filenames == NULL )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
		 LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
		 "%s: invalid filenames.",
		 function );

		return( -1 );
	}
	if( number_of_filenames <= 0 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
		 LIBCERROR_ARGUMENT_ERROR_VALUE_ZERO_OR_LESS,
		 "%s: invalid number of filenames.",
		 function );

		return( -1 );
	}
	if( number_of_filenames == 1 )
	{
		first_filename_length = libcstring_system_string_length(
		                         filenames[ 0 ] );

#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
		if( libewf_glob_wide(
		     filenames[ 0 ],
		     first_filename_length,
		     LIBEWF_FORMAT_UNKNOWN,
		     &libewf_filenames,
		     &number_of_filenames,
		     error ) != 1 )
#else
		if( libewf_glob(
		     filenames[ 0 ],
		     first_filename_length,
		     LIBEWF_FORMAT_UNKNOWN,
		     &libewf_filenames,
		     &number_of_filenames,
		     error ) != 1 )
#endif
		{
			libcerror_error_set(
			 error,
			 LIBCERROR_ERROR_DOMAIN_RUNTIME,
			 LIBCERROR_RUNTIME_ERROR_GET_FAILED,
			 "%s: unable to resolve filename(s).",
			 function );

			return( -1 );
		}
		filenames = (libcstring_system_character_t * const *) libewf_filenames;
	}
#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
	if( libewf_handle_open_wide(
	     mount_handle->input_handle,
	     filenames,
	     number_of_filenames,
	     LIBEWF_OPEN_READ,
	     error ) != 1 )
#else
	if( libewf_handle_open(
	     mount_handle->input_handle,
	     filenames,
	     number_of_filenames,
	     LIBEWF_OPEN_READ,
	     error ) != 1 )
#endif
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_IO,
		 LIBCERROR_IO_ERROR_OPEN_FAILED,
		 "%s: unable to open file(s).",
		 function );

		if( libewf_filenames != NULL )
		{
#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
			libewf_glob_wide_free(
			 libewf_filenames,
			 number_of_filenames,
			 NULL );
#else
			libewf_glob_free(
			 libewf_filenames,
			 number_of_filenames,
			 NULL );
#endif
		}
		return( -1 );
	}
	if( libewf_filenames != NULL )
	{
#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
		if( libewf_glob_wide_free(
		     libewf_filenames,
		     number_of_filenames,
		     error ) != 1 )
#else
		if( libewf_glob_free(
		     libewf_filenames,
		     number_of_filenames,
		     error ) != 1 )
#endif
		{
			libcerror_error_set(
			 error,
			 LIBCERROR_ERROR_DOMAIN_RUNTIME,
			 LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,
			 "%s: unable to free globbed filenames.",
			 function );

			return( -1 );
		}
	}
	if( mount_handle->input_format == MOUNT_HANDLE_INPUT_FORMAT_FILES )
	{
		if( libewf_handle_get_root_file_entry(
		     mount_handle->input_handle,
		     &( mount_handle->root_file_entry ),
		     error ) != 1 )
		{
			libcerror_error_set(
			 error,
			 LIBCERROR_ERROR_DOMAIN_RUNTIME,
			 LIBCERROR_RUNTIME_ERROR_GET_FAILED,
			 "%s: unable to retrieve root file entry.",
			 function );

			return( -1 );
		}
	}
	return( 1 );
}
/* Tests reading/writing data of a specific size at a specific offset
 * Return 1 if successful, 0 if not or -1 on error
 */
int ewf_test_read_write_delta(
     libcstring_system_character_t * const filenames[],
     int number_of_filenames,
     const libcstring_system_character_t *delta_segment_filename,
     off64_t write_offset,
     size64_t write_size,
     libcerror_error_t **error )
{
	libewf_handle_t *handle              = NULL;
	uint8_t *buffer                      = NULL;
	static char *function                = "ewf_test_read_write_delta";
	size_t delta_segment_filename_length = 0;
	size_t read_size                     = 0;
	ssize_t read_count                   = 0;
	ssize_t write_count                  = 0;

	if( libewf_handle_initialize(
	     &handle,
	     error ) != 1 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_RUNTIME,
		 LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
		 "%s: unable to create handle.",
		 function );

		goto on_error;
	}
#if defined( HAVE_DEBUG_OUTPUT ) && defined( EWF_TEST_READ_WRITE_DELTA_VERBOSE )
	libewf_notify_set_verbose(
	 1 );
	libewf_notify_set_stream(
	 stderr,
	 NULL );
#endif

#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
	if( libewf_handle_open_wide(
	     handle,
	     filenames,
	     number_of_filenames,
	     LIBEWF_OPEN_READ_WRITE,
	     error ) != 1 )
#else
	if( libewf_handle_open(
	     handle,
	     filenames,
	     number_of_filenames,
	     LIBEWF_OPEN_READ_WRITE,
	     error ) != 1 )
#endif
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_IO,
		 LIBCERROR_IO_ERROR_OPEN_FAILED,
		 "%s: unable to open handle.",
		 function );

		goto on_error;
	}
	if( delta_segment_filename != NULL )
	{
		delta_segment_filename_length = libcstring_system_string_length(
		                                 delta_segment_filename );

#if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER )
		if( libewf_handle_set_delta_segment_filename_wide(
		     handle,
		     delta_segment_filename,
		     delta_segment_filename_length,
		     error ) != 1 )
#else
		if( libewf_handle_set_delta_segment_filename(
		     handle,
		     delta_segment_filename,
		     delta_segment_filename_length,
		     error ) != 1 )
#endif
		{
			libcerror_error_set(
			 error,
			 LIBCERROR_ERROR_DOMAIN_RUNTIME,
			 LIBCERROR_RUNTIME_ERROR_SET_FAILED,
			 "%s: unable to set delta segment filename.",
			 function );

			goto on_error;
		}
	}
	if( libewf_handle_seek_offset(
	     handle,
	     write_offset,
	     SEEK_SET,
	     error ) == -1 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_IO,
		 LIBCERROR_IO_ERROR_OPEN_FAILED,
		 "%s: unable to seek offset: %" PRIi64 ".",
		 function,
		 write_offset );

		goto on_error;
	}
	buffer = (uint8_t *) memory_allocate(
	                      EWF_TEST_BUFFER_SIZE );

	while( write_size > 0 )
	{
		if( write_size > (size64_t) EWF_TEST_BUFFER_SIZE )
		{
			read_size = EWF_TEST_BUFFER_SIZE;
		}
		else
		{
			read_size = (size_t) write_size;
		}
		read_count = libewf_handle_read_buffer(
			      handle,
			      buffer,
			      read_size,
			      error );

		if( read_count < 0 )
		{
			libcerror_error_set(
			 error,
			 LIBCERROR_ERROR_DOMAIN_IO,
			 LIBCERROR_IO_ERROR_WRITE_FAILED,
			 "%s: unable read buffer of size: %" PRIzd ".",
			 function,
			 read_size );

			goto on_error;
		}
		if( memory_set(
		     buffer,
		     (int) 'X',
		     (size_t) read_count ) == NULL )
		{
			libcerror_error_set(
			 error,
			 LIBCERROR_ERROR_DOMAIN_MEMORY,
			 LIBCERROR_MEMORY_ERROR_SET_FAILED,
			 "%s: unable set value in buffer.",
			 function );

			goto on_error;
		}
		if( libewf_handle_seek_offset(
		     handle,
		     -1 * (off64_t) read_size,
		     SEEK_CUR,
		     error ) == -1 )
		{
			libcerror_error_set(
			 error,
			 LIBCERROR_ERROR_DOMAIN_IO,
			 LIBCERROR_IO_ERROR_OPEN_FAILED,
			 "%s: unable to seek previous offset.",
			 function );

			goto on_error;
		}
		write_count = libewf_handle_write_buffer(
			       handle,
			       buffer,
			       (size_t) read_count,
			       error );

		if( write_count < 0 )
		{
			libcerror_error_set(
			 error,
			 LIBCERROR_ERROR_DOMAIN_IO,
			 LIBCERROR_IO_ERROR_WRITE_FAILED,
			 "%s: unable write buffer of size: %" PRIzd ".",
			 function,
			 read_count );

			goto on_error;
		}
		if( write_count != read_count )
		{
			libcerror_error_set(
			 error,
			 LIBCERROR_ERROR_DOMAIN_IO,
			 LIBCERROR_IO_ERROR_WRITE_FAILED,
			 "%s: unable write buffer of size: %" PRIzd ".",
			 function,
			 read_count );

			goto on_error;
		}
		write_offset += write_count;
		write_size   -= write_count;
	}
	memory_free(
	 buffer );

	buffer = NULL;
	
	if( libewf_handle_close(
	     handle,
	     error ) != 0 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_IO,
		 LIBCERROR_IO_ERROR_CLOSE_FAILED,
		 "%s: unable to close handle.",
		 function );

		goto on_error;
	}
	if( libewf_handle_free(
	     &handle,
	     error ) != 1 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_RUNTIME,
		 LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,
		 "%s: unable to free handle.",
		 function );

		goto on_error;
	}
	return( 1 );

on_error:
	if( buffer != NULL )
	{
		memory_free(
		 buffer );
	}
	if( handle != NULL )
	{
		libewf_handle_close(
		 handle,
		 NULL );
		libewf_handle_free(
		 &handle,
		 NULL );
	}
	return( -1 );
}
示例#11
0
/* Opens the mount handle
 * Returns 1 if successful or -1 on error
 */
int mount_handle_open(
     mount_handle_t *mount_handle,
     system_character_t * const * filenames,
     int number_of_filenames,
     libcerror_error_t **error )
{
	libewf_handle_t *ewf_handle            = NULL;
	system_character_t **globbed_filenames = NULL;
	static char *function                  = "mount_handle_open";
	size_t filename_length                 = 0;

	if( mount_handle == NULL )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
		 LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
		 "%s: invalid mount handle.",
		 function );

		return( -1 );
	}
	if( filenames == NULL )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
		 LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,
		 "%s: invalid filenames.",
		 function );

		return( -1 );
	}
	if( number_of_filenames <= 0 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_ARGUMENTS,
		 LIBCERROR_ARGUMENT_ERROR_VALUE_ZERO_OR_LESS,
		 "%s: invalid number of filenames.",
		 function );

		return( -1 );
	}
	if( number_of_filenames == 1 )
	{
		filename_length = system_string_length(
		                   filenames[ 0 ] );

#if defined( HAVE_WIDE_SYSTEM_CHARACTER )
		if( libewf_glob_wide(
		     filenames[ 0 ],
		     filename_length,
		     LIBEWF_FORMAT_UNKNOWN,
		     &globbed_filenames,
		     &number_of_filenames,
		     error ) != 1 )
#else
		if( libewf_glob(
		     filenames[ 0 ],
		     filename_length,
		     LIBEWF_FORMAT_UNKNOWN,
		     &globbed_filenames,
		     &number_of_filenames,
		     error ) != 1 )
#endif
		{
			libcerror_error_set(
			 error,
			 LIBCERROR_ERROR_DOMAIN_RUNTIME,
			 LIBCERROR_RUNTIME_ERROR_GET_FAILED,
			 "%s: unable to resolve filename(s).",
			 function );

			goto on_error;
		}
		filenames = (system_character_t * const *) globbed_filenames;
	}
	if( libewf_handle_initialize(
	     &ewf_handle,
	     error ) != 1 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_RUNTIME,
		 LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
		 "%s: unable to initialize handle.",
		 function );

		goto on_error;
	}
	if( libewf_handle_set_maximum_number_of_open_handles(
	     ewf_handle,
	     mount_handle->maximum_number_of_open_handles,
	     error ) != 1 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_RUNTIME,
		 LIBCERROR_RUNTIME_ERROR_SET_FAILED,
		 "%s: unable to set maximum number of open handles in handle.",
		 function );

		goto on_error;
	}
#if defined( HAVE_WIDE_SYSTEM_CHARACTER )
	if( libewf_handle_open_wide(
	     ewf_handle,
	     filenames,
	     number_of_filenames,
	     LIBEWF_OPEN_READ,
	     error ) != 1 )
#else
	if( libewf_handle_open(
	     ewf_handle,
	     filenames,
	     number_of_filenames,
	     LIBEWF_OPEN_READ,
	     error ) != 1 )
#endif
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_IO,
		 LIBCERROR_IO_ERROR_OPEN_FAILED,
		 "%s: unable to open file(s).",
		 function );

		goto on_error;
	}
	if( mount_file_system_set_handle(
	     mount_handle->file_system,
	     ewf_handle,
	     error ) != 1 )
	{
		libcerror_error_set(
		 error,
		 LIBCERROR_ERROR_DOMAIN_RUNTIME,
		 LIBCERROR_RUNTIME_ERROR_SET_FAILED,
		 "%s: unable to set handle in file system.",
		 function );

		goto on_error;
	}
	if( globbed_filenames != NULL )
	{
#if defined( HAVE_WIDE_SYSTEM_CHARACTER )
		if( libewf_glob_wide_free(
		     globbed_filenames,
		     number_of_filenames,
		     error ) != 1 )
#else
		if( libewf_glob_free(
		     globbed_filenames,
		     number_of_filenames,
		     error ) != 1 )
#endif
		{
			libcerror_error_set(
			 error,
			 LIBCERROR_ERROR_DOMAIN_RUNTIME,
			 LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,
			 "%s: unable to free globbed filenames.",
			 function );

			goto on_error;
		}
	}
	return( 1 );

on_error:
	if( ewf_handle != NULL )
	{
		libewf_handle_free(
		 &ewf_handle,
		 NULL );
	}
	if( globbed_filenames != NULL )
	{
#if defined( HAVE_WIDE_SYSTEM_CHARACTER )
		libewf_glob_wide_free(
		 globbed_filenames,
		 number_of_filenames,
		 NULL );
#else
		libewf_glob_free(
		 globbed_filenames,
		 number_of_filenames,
		 NULL );
#endif
	}
	return( -1 );
}