Example #1
0
/* Signal handler for ewfinfo
 */
void ewfinfo_signal_handler(
      libsystem_signal_t signal LIBSYSTEM_ATTRIBUTE_UNUSED )
{
	liberror_error_t *error = NULL;
	static char *function   = "ewfinfo_signal_handler";

	LIBSYSTEM_UNREFERENCED_PARAMETER( signal )

	ewfinfo_abort = 1;

	if( ( ewfinfo_info_handle != NULL )
	 && ( info_handle_signal_abort(
	       ewfinfo_info_handle,
	       &error ) != 1 ) )
	{
		libsystem_notify_printf(
		 "%s: unable to signal info handle to abort.\n",
		 function );

		libsystem_notify_print_error_backtrace(
		 error );
		liberror_error_free(
		 &error );
	}
	/* Force stdin to close otherwise any function reading it will remain blocked
	 */
	if( libsystem_file_io_close(
	     0 ) != 0 )
	{
		libsystem_notify_printf(
		 "%s: unable to close stdin.\n",
		 function );
	}
}
Example #2
0
/* Signal handler for esedbinfo
 */
void esedbinfo_signal_handler(
      libsystem_signal_t signal )
{
	liberror_error_t *error = NULL;
	static char *function   = "esedbinfo_signal_handler";

	esedbinfo_abort = 1;

	if( esedbinfo_info_handle != NULL )
	{
		if( info_handle_signal_abort(
		     esedbinfo_info_handle,
		     &error ) != 1 )
		{
			libsystem_notify_printf(
			 "%s: unable to signal info handle to abort.\n",
			 function );

			libsystem_notify_print_error_backtrace(
			 error );
			liberror_error_free(
			 &error );
		}
	}
	/* Force stdin to close otherwise any function reading it will remain blocked
	 */
	if( libsystem_file_io_close(
	     0 ) != 0 )
	{
		libsystem_notify_printf(
		 "%s: unable to close stdin.\n",
		 function );
	}
}
Example #3
0
/* Checks if the file has an EWF signature
 * Returns a Python object if successful or NULL on error
 */
PyObject *pyewf_check_file_signature(
           PyObject *self,
           PyObject *arguments,
           PyObject *keywords )
{
	char error_string[ PYEWF_ERROR_STRING_SIZE ];

	liberror_error_t *error     = NULL;
	static char *function       = "pyewf_check_file_signature";
	static char *keyword_list[] = { "filename", NULL };
	const char *filename        = NULL;
	int result                  = 0;

	if( PyArg_ParseTupleAndKeywords(
	     arguments,
	     keywords,
	     "|s",
	     keyword_list,
	     &filename ) == 0 )
	{
		return( NULL );
	}
	result = libewf_check_file_signature(
	          filename,
	          &error );

	if( result == -1 )
	{
		if( liberror_error_backtrace_sprint(
		     error,
		     error_string,
		     PYEWF_ERROR_STRING_SIZE ) == -1 )
		{
			PyErr_Format(
			 PyExc_IOError,
			 "%s: unable to check file signature.",
			 function );
		}
		else
		{
			PyErr_Format(
			 PyExc_IOError,
			 "%s: unable to check file signature.\n%s",
			 function,
			 error_string );
		}
		liberror_error_free(
		 &error );

		return( NULL );
	}
	if( result != 0 )
	{
		return( Py_True );
	}
	return( Py_False );
}
Example #4
0
/* Closes EWF file(s)
 * Returns a Python object if successful or NULL on error
 */
PyObject *pyewf_handle_close(
           pyewf_handle_t *pyewf_handle )
{
	char error_string[ PYEWF_ERROR_STRING_SIZE ];

	liberror_error_t *error = NULL;
	static char *function   = "pyewf_handle_close";

	if( pyewf_handle == NULL )
	{
		PyErr_Format(
		 PyExc_TypeError,
		 "%s: invalid pyewf handle.",
		 function );

		return( NULL );
	}
	if( pyewf_handle->handle == NULL )
	{
		PyErr_Format(
		 PyExc_TypeError,
		 "%s: invalid pyewf handle - missing libewf handle.",
		 function );

		return( NULL );
	}
	if( libewf_handle_close(
	     pyewf_handle->handle,
	     &error ) != 0 )
	{
		if( liberror_error_backtrace_sprint(
		     error,
		     error_string,
		     PYEWF_ERROR_STRING_SIZE ) == -1 )
		{
			PyErr_Format(
			 PyExc_IOError,
			 "%s: unable to close handle.",
			 function );
		}
		else
		{
			PyErr_Format(
			 PyExc_IOError,
			 "%s: unable to close handle.\n%s",
			 function,
			 error_string );
		}
		liberror_error_free(
		 &error );

		return( NULL );
	}
	return( Py_None );
}
Example #5
0
/* Intializes a handle object
 * Returns 0 if successful or -1 on error
 */
int pyewf_handle_init(
     pyewf_handle_t *pyewf_handle )
{
	char error_string[ PYEWF_ERROR_STRING_SIZE ];

	static char *function   = "pyewf_handle_init";
	liberror_error_t *error = NULL;

	if( pyewf_handle == NULL )
	{
		PyErr_Format(
		 PyExc_TypeError,
		 "%s: invalid handle.",
		 function );

		return( -1 );
	}
	/* Make sure libewf handle is set to NULL
	 */
	pyewf_handle->handle = NULL;

	if( libewf_handle_initialize(
	     &( pyewf_handle->handle ),
	     &error ) != 1 )
	{
		if( liberror_error_backtrace_sprint(
		     error,
		     error_string,
		     PYEWF_ERROR_STRING_SIZE ) == -1 )
		{
			PyErr_Format(
			 PyExc_MemoryError,
			 "%s: unable to initialize handle.",
			 function );
		}
		else
		{
			PyErr_Format(
			 PyExc_MemoryError,
			 "%s: unable to initialize handle.\n%s",
			 function,
			 error_string );
		}
		liberror_error_free(
		 &error );

		return( -1 );
	}
	return( 0 );
}
/* Tests libewf_handle_seek_offset
 * Returns 1 if successful, 0 if not or -1 on error
 */
int ewf_test_seek_offset(
     libewf_handle_t *handle,
     off64_t input_offset,
     int input_whence,
     off64_t expected_offset,
     liberror_error_t **error )
{
	static char *function = "ewf_test_seek_offset";
	off64_t result_offset = 0;

	result_offset = libewf_handle_seek_offset(
	                 handle,
	                 input_offset,
	                 input_whence,
	                 error );

	if( result_offset != expected_offset )
	{
		if( result_offset == -1 )
		{
			liberror_error_set(
			 error,
			 LIBERROR_ERROR_DOMAIN_IO,
			 LIBERROR_IO_ERROR_SEEK_FAILED,
			 "%s: unable to seek offset: %" PRIi64 ".",
			 function,
			 input_offset );

			return( -1 );
		}
		fprintf(
		 stderr,
		 "%s: unexpected result offset: %" PRIi64 "\n",
		 function,
		 result_offset );

		return( 0 );
	}
	if( result_offset == -1 )
	{
		liberror_error_free(
		 error );
	}
	return( 1 );
}
Example #7
0
/* Retrieves the current offset in the media data
 * Returns a Python object holding the offset if successful or NULL on error
 */
PyObject *pyewf_handle_get_offset(
           pyewf_handle_t *pyewf_handle )
{
	char error_string[ PYEWF_ERROR_STRING_SIZE ];

	liberror_error_t *error = NULL;
	static char *function   = "pyewf_handle_get_offset";
	off64_t current_offset  = 0;

	if( libewf_handle_get_offset(
	     pyewf_handle->handle,
	     &current_offset,
	     &error ) != 1 )
	{
		if( liberror_error_backtrace_sprint(
		     error,
		     error_string,
		     PYEWF_ERROR_STRING_SIZE ) == -1 )
		{
			PyErr_Format(
			 PyExc_IOError,
			 "%s: unable to retrieve offset.",
			 function );
		}
		else
		{
			PyErr_Format(
			 PyExc_IOError,
			 "%s: unable to retrieve offset.\n%s",
			 function,
			 error_string );
		}
		liberror_error_free(
		 &error );

		return( NULL );
	}
	return( PyLong_FromLongLong(
	         current_offset ) );
}
Example #8
0
/* Free an error and its elements
 */
void libmfdata_error_free(
      libmfdata_error_t **error )
{
	liberror_error_free(
	 (liberror_error_t **) error );
}
Example #9
0
/* Free an error and its elements
 */
void libewf_error_free(
      libewf_error_t **error )
{
	liberror_error_free(
	 (liberror_error_t **) error );
}
Example #10
0
/* Globs filenames according to the EWF segment file naming schema
 * Returns a Python object if successful or NULL on error
 */
PyObject *pyewf_glob(
           PyObject *self,
           PyObject *arguments,
           PyObject *keywords )
{
	char error_string[ PYEWF_ERROR_STRING_SIZE ];

	char **filenames            = NULL;
	liberror_error_t *error     = NULL;
	PyObject *list_object       = NULL;
	PyObject *string_object     = NULL;
	static char *function       = "pyewf_glob";
	static char *keyword_list[] = { "filename", NULL };
	const char *errors          = NULL;
	const char *filename        = NULL;
	size_t filename_length      = 0;
	int filename_index          = 0;
	int number_of_filenames     = 0;

	if( PyArg_ParseTupleAndKeywords(
	     arguments,
	     keywords,
	     "|s",
	     keyword_list,
	     &filename ) == 0 )
	{
		return( NULL );
	}
	filename_length = libcstring_narrow_string_length(
	                   filename );

	if( libewf_glob(
	     filename,
	     filename_length,
	     LIBEWF_FORMAT_UNKNOWN,
	     &filenames,
	     &number_of_filenames,
	     &error ) != 1 )
	{
		if( liberror_error_backtrace_sprint(
		     error,
		     error_string,
		     PYEWF_ERROR_STRING_SIZE ) == -1 )
		{
			PyErr_Format(
			 PyExc_IOError,
			 "%s: unable to glob filenames.",
			 function );
		}
		else
		{
			PyErr_Format(
			 PyExc_IOError,
			 "%s: unable to glob filenames.\n%s",
			 function,
			 error_string );
		}
		liberror_error_free(
		 &error );

		return( NULL );
	}
	list_object = PyList_New(
	               (Py_ssize_t) number_of_filenames );

	for( filename_index = 0;
	     filename_index < number_of_filenames;
	     filename_index++ )
	{
		filename_length = libcstring_narrow_string_length(
		                   filenames[ filename_index ] );

		string_object = PyUnicode_DecodeUTF8(
		                 filenames[ filename_index ],
		                 filename_length,
		                 errors );

		if( string_object == NULL )
		{
			PyErr_Format(
			 PyExc_IOError,
			 "%s: unable to convert UTF-8 filename: %d into Unicode.",
			 function,
			 filename_index );

			libewf_glob_free(
			 filenames,
			 number_of_filenames,
			 NULL );

			Py_DecRef(
			 list_object );

			return( NULL );
		}
		if( PyList_SetItem(
		     list_object,
		     (Py_ssize_t) filename_index,
		     string_object ) != 0 )
		{
			PyErr_Format(
			 PyExc_MemoryError,
			 "%s: unable to set filename: %d in list.",
			 function,
			 filename_index );

			libewf_glob_free(
			 filenames,
			 number_of_filenames,
			 NULL );

			Py_DecRef(
			 string_object );
			Py_DecRef(
			 list_object );

			return( NULL );
		}
	}
	if( libewf_glob_free(
	     filenames,
	     number_of_filenames,
	     &error ) != 1 )
	{
		if( liberror_error_backtrace_sprint(
		     error,
		     error_string,
		     PYEWF_ERROR_STRING_SIZE ) == -1 )
		{
			PyErr_Format(
			 PyExc_MemoryError,
			 "%s: unable to free globbed filenames.",
			 function );
		}
		else
		{
			PyErr_Format(
			 PyExc_MemoryError,
			 "%s: unable to free globbed filenames.\n%s",
			 function,
			 error_string );
		}
		liberror_error_free(
		 &error );

		Py_DecRef(
		 list_object );

		return( NULL );
	}
	return( list_object );
}
Example #11
0
int main( int argc, char * const argv[] )
#endif
{
	libesedb_error_t *error               = NULL;
	libcstring_system_character_t *source = NULL;
	char *program                         = "esedbinfo";
	libcstring_system_integer_t option    = 0;
	int verbose                           = 0;

	libsystem_notify_set_stream(
	 stderr,
	 NULL );
	libsystem_notify_set_verbose(
	 1 );

        if( libsystem_initialize(
             "esedbtools",
             _IONBF,
             &error ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to initialize system values.\n" );

		libsystem_notify_print_error_backtrace(
		 error );
		liberror_error_free(
		 &error );

		return( EXIT_FAILURE );
	}
	esedboutput_version_fprint(
	 stdout,
	 program );

	while( ( option = libsystem_getopt(
	                   argc,
	                   argv,
	                   _LIBCSTRING_SYSTEM_STRING( "hvV" ) ) ) != (libcstring_system_integer_t) -1 )
	{
		switch( option )
		{
			case (libcstring_system_integer_t) '?':
			default:
				fprintf(
				 stderr,
				 "Invalid argument: %" PRIs_LIBCSTRING_SYSTEM "\n",
				 argv[ optind - 1 ] );

				usage_fprint(
				 stdout );

				return( EXIT_FAILURE );

			case (libcstring_system_integer_t) 'h':
				usage_fprint(
				 stdout );

				return( EXIT_SUCCESS );

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

				break;

			case (libcstring_system_integer_t) 'V':
				esedboutput_copyright_fprint(
				 stdout );

				return( EXIT_SUCCESS );
		}
	}
	if( optind == argc )
	{
		fprintf(
		 stderr,
		 "Missing source file.\n" );

		usage_fprint(
		 stdout );

		return( EXIT_FAILURE );
	}
	source = argv[ optind ];

	libsystem_notify_set_verbose(
	 verbose );
	libesedb_notify_set_stream(
	 stderr,
	 NULL );
	libesedb_notify_set_verbose(
	 verbose );

	if( info_handle_initialize(
	     &esedbinfo_info_handle,
	     &error ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to initialize info handle.\n" );

		goto on_error;
	}
	if( info_handle_open(
	     esedbinfo_info_handle,
	     source,
	     &error ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to open: %" PRIs_LIBCSTRING_SYSTEM ".\n",
		 source );

		goto on_error;
	}
	if( info_handle_file_fprint(
	     esedbinfo_info_handle,
	     &error ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to print file information.\n" );

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

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

		goto on_error;
	}
	return( EXIT_SUCCESS );

on_error:
	if( error != NULL )
	{
		libsystem_notify_print_error_backtrace(
		 error );
		liberror_error_free(
		 &error );
	}
	if( esedbinfo_info_handle != NULL )
	{
		info_handle_free(
		 &esedbinfo_info_handle,
		 NULL );
	}
	return( EXIT_FAILURE );
}
Example #12
0
int main( int argc, char * const argv[] )
#endif
{
	libcstring_system_character_t * const *argv_filenames = NULL;

#if !defined( LIBSYSTEM_HAVE_GLOB )
	libsystem_glob_t *glob                                = NULL;
#endif
	liberror_error_t *error                               = NULL;

	libcstring_system_character_t *option_date_format     = NULL;
	libcstring_system_character_t *option_header_codepage = NULL;
	libcstring_system_character_t *option_output_format   = NULL;
	libcstring_system_character_t *program                = _LIBCSTRING_SYSTEM_STRING( "ewfinfo" );

	libcstring_system_integer_t option                    = 0;
	uint8_t verbose                                       = 0;
	char info_option                                      = 'a';
	int number_of_filenames                               = 0;
	int print_header                                      = 1;
	int result                                            = 0;

	libsystem_notify_set_stream(
	 stderr,
	 NULL );
	libsystem_notify_set_verbose(
	 1 );

	if( libsystem_initialize(
	     "ewftools",
	     _IONBF,
	     &error ) != 1 )
	{
		ewfoutput_version_fprint(
		 stderr,
		 program );

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

		goto on_error;
	}
	while( ( option = libsystem_getopt(
	                   argc,
	                   argv,
	                   _LIBCSTRING_SYSTEM_STRING( "A:d:ef:himvV" ) ) ) != (libcstring_system_integer_t) -1 )
	{
		switch( option )
		{
			case (libcstring_system_integer_t) '?':
			default:
				ewfoutput_version_fprint(
				 stderr,
				 program );

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

				usage_fprint(
				 stdout );

				goto on_error;

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

				break;

			case (libcstring_system_integer_t) 'd':
				option_date_format = optarg;

				break;

			case (libcstring_system_integer_t) 'e':
				if( info_option != 'a' )
				{
					ewfoutput_version_fprint(
					 stderr,
					 program );

					fprintf(
					 stderr,
					 "Conflicting options: %" PRIc_LIBCSTRING_SYSTEM " and %c\n",
					 option,
					 info_option );

					usage_fprint(
					 stdout );

					goto on_error;
				}
				info_option = 'e';

				break;

			case (libcstring_system_integer_t) 'f':
				option_output_format = optarg;

				break;

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

				usage_fprint(
				 stdout );

				return( EXIT_SUCCESS );

			case (libcstring_system_integer_t) 'i':
				if( info_option != 'a' )
				{
					ewfoutput_version_fprint(
					 stderr,
					 program );

					fprintf(
					 stderr,
					 "Conflicting options: %" PRIc_LIBCSTRING_SYSTEM " and %c\n",
					 option,
					 info_option );

					usage_fprint(
					 stdout );

					goto on_error;
				}
				info_option = 'i';

				break;

			case (libcstring_system_integer_t) 'm':
				if( info_option != 'a' )
				{
					ewfoutput_version_fprint(
					 stderr,
					 program );

					fprintf(
					 stderr,
					 "Conflicting options: %" PRIc_LIBCSTRING_SYSTEM " and %c\n",
					 option,
					 info_option );

					usage_fprint(
					 stdout );

					goto on_error;
				}
				info_option = 'm';

				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(
		 stderr,
		 program );

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

		usage_fprint(
		 stdout );

		goto on_error;
	}
	libsystem_notify_set_verbose(
	 verbose );
	libewf_notify_set_verbose(
	 verbose );
	libewf_notify_set_stream(
	 stderr,
	 NULL );

	if( info_handle_initialize(
	     &ewfinfo_info_handle,
	     &error ) != 1 )
	{
		ewfoutput_version_fprint(
		 stderr,
		 program );

		fprintf(
		 stderr,
		 "Unable to create info handle.\n" );

		goto on_error;
	}
	if( option_output_format != NULL )
	{
		result = info_handle_set_output_format(
		          ewfinfo_info_handle,
		          option_output_format,
		          &error );

		if( result == -1 )
		{
			ewfoutput_version_fprint(
			 stderr,
			 program );

			fprintf(
			 stderr,
			 "Unable to set output format.\n" );

			goto on_error;
		}
		else if( result == 0 )
		{
			ewfoutput_version_fprint(
			 stderr,
			 program );

			print_header = 0;

			fprintf(
			 stderr,
			 "Unsupported output format defaulting to: text.\n" );
		}
	}
	if( ewfinfo_info_handle->output_format == INFO_HANDLE_OUTPUT_FORMAT_DFXML )
	{
		if( info_handle_dfxml_header_fprint(
		     ewfinfo_info_handle,
		     &error ) != 1 )
		{
			ewfoutput_version_fprint(
			 stderr,
			 program );

			fprintf(
			 stderr,
			 "Unable to print header.\n" );

			goto on_error;
		}
	}
	else if( ewfinfo_info_handle->output_format == INFO_HANDLE_OUTPUT_FORMAT_TEXT )
	{
		ewfoutput_version_fprint(
		 stdout,
		 program );

		print_header = 0;
	}
	if( ( option_output_format == NULL )
	 && ( option_date_format != NULL ) )
	{
		result = info_handle_set_date_format(
		          ewfinfo_info_handle,
		          option_date_format,
		          &error );

		if( result == -1 )
		{
			if( print_header != 0 )
			{
				ewfoutput_version_fprint(
				 stderr,
				 program );

				print_header = 0;
			}
			fprintf(
			 stderr,
			 "Unable to set date format.\n" );

			goto on_error;
		}
		else if( result == 0 )
		{
			if( print_header != 0 )
			{
				ewfoutput_version_fprint(
				 stderr,
				 program );

				print_header = 0;
			}
			fprintf(
			 stderr,
			 "Unsupported date format defaulting to: ctime.\n" );
		}
	}
	if( option_header_codepage != NULL )
	{
		result = info_handle_set_header_codepage(
		          ewfinfo_info_handle,
		          option_header_codepage,
		          &error );

		if( result == -1 )
		{
			if( print_header != 0 )
			{
				ewfoutput_version_fprint(
				 stderr,
				 program );

				print_header = 0;
			}
			fprintf(
			 stderr,
			 "Unable to set header codepage in info handle.\n" );

			goto on_error;
		}
		else if( result == 0 )
		{
			if( print_header != 0 )
			{
				ewfoutput_version_fprint(
				 stderr,
				 program );

				print_header = 0;
			}
			fprintf(
			 stderr,
			 "Unsupported header codepage defaulting to: ascii.\n" );
		}
	}
#if !defined( LIBSYSTEM_HAVE_GLOB )
	if( libsystem_glob_initialize(
	     &glob,
	     &error ) != 1 )
	{
		if( print_header != 0 )
		{
			ewfoutput_version_fprint(
			 stderr,
			 program );

			print_header = 0;
		}
		fprintf(
		 stderr,
		 "Unable to initialize glob.\n" );

		goto on_error;
	}
	if( libsystem_glob_resolve(
	     glob,
	     &( argv[ optind ] ),
	     argc - optind,
	     &error ) != 1 )
	{
		if( print_header != 0 )
		{
			ewfoutput_version_fprint(
			 stderr,
			 program );

			print_header = 0;
		}
		fprintf(
		 stderr,
		 "Unable to resolve glob.\n" );

		goto on_error;
	}
	argv_filenames      = glob->result;
	number_of_filenames = glob->number_of_results;
#else
	argv_filenames      = &( argv[ optind ] );
	number_of_filenames = argc - optind;

#endif
	if( libsystem_signal_attach(
	     ewfinfo_signal_handler,
	     &error ) != 1 )
	{
		if( print_header != 0 )
		{
			ewfoutput_version_fprint(
			 stderr,
			 program );

			print_header = 0;
		}
		fprintf(
		 stderr,
		 "Unable to attach signal handler.\n" );

		libsystem_notify_print_error_backtrace(
		 error );
		liberror_error_free(
		 &error );
	}
	result = info_handle_open_input(
	          ewfinfo_info_handle,
	          argv_filenames,
	          number_of_filenames,
	          &error );

	if( ewfinfo_abort != 0 )
	{
		goto on_abort;
	}
	if( result != 1 )
	{
		if( print_header != 0 )
		{
			ewfoutput_version_fprint(
			 stderr,
			 program );

			print_header = 0;
		}
		fprintf(
		 stderr,
		 "Unable to open EWF file(s).\n" );

		goto on_error;
	}
#if !defined( LIBSYSTEM_HAVE_GLOB )
	if( libsystem_glob_free(
	     &glob,
	     &error ) != 1 )
	{
		if( print_header != 0 )
		{
			ewfoutput_version_fprint(
			 stderr,
			 program );

			print_header = 0;
		}
		fprintf(
		 stderr,
		 "Unable to free glob.\n" );

		goto on_error;
	}
#endif
	if( ( info_option == 'a' )
	 || ( info_option == 'i' ) )
	{
		if( info_handle_header_values_fprint(
		     ewfinfo_info_handle,
		     &error ) != 1 )
		{
			if( print_header != 0 )
			{
				ewfoutput_version_fprint(
				 stderr,
				 program );

				print_header = 0;
			}
			fprintf(
			 stderr,
			 "Unable to print header values.\n" );

			libsystem_notify_print_error_backtrace(
			 error );
			liberror_error_free(
			 &error );
		}
	}
	if( ( info_option == 'a' )
	 || ( info_option == 'm' ) )
	{
		if( info_handle_media_information_fprint(
		     ewfinfo_info_handle,
		     &error ) != 1 )
		{
			if( print_header != 0 )
			{
				ewfoutput_version_fprint(
				 stderr,
				 program );

				print_header = 0;
			}
			fprintf(
			 stderr,
			 "Unable to print media information.\n" );

			libsystem_notify_print_error_backtrace(
			 error );
			liberror_error_free(
			 &error );
		}
		if( info_handle_hash_values_fprint(
		     ewfinfo_info_handle,
		     &error ) != 1 )
		{
			if( print_header != 0 )
			{
				ewfoutput_version_fprint(
				 stderr,
				 program );

				print_header = 0;
			}
			fprintf(
			 stderr,
			 "Unable to print hash values.\n" );

			libsystem_notify_print_error_backtrace(
			 error );
			liberror_error_free(
			 &error );
		}
		if( info_handle_sessions_fprint(
		     ewfinfo_info_handle,
		     &error ) != 1 )
		{
			if( print_header != 0 )
			{
				ewfoutput_version_fprint(
				 stderr,
				 program );

				print_header = 0;
			}
			fprintf(
			 stderr,
			 "Unable to print sessions.\n" );

			libsystem_notify_print_error_backtrace(
			 error );
			liberror_error_free(
			 &error );
		}
		if( info_handle_tracks_fprint(
		     ewfinfo_info_handle,
		     &error ) != 1 )
		{
			if( print_header != 0 )
			{
				ewfoutput_version_fprint(
				 stderr,
				 program );

				print_header = 0;
			}
			fprintf(
			 stderr,
			 "Unable to print tracks.\n" );

			libsystem_notify_print_error_backtrace(
			 error );
			liberror_error_free(
			 &error );
		}
	}
	if( ( info_option == 'a' )
	 || ( info_option == 'e' ) )
	{
		if( info_handle_acquiry_errors_fprint(
		     ewfinfo_info_handle,
		     &error ) != 1 )
		{
			if( print_header != 0 )
			{
				ewfoutput_version_fprint(
				 stderr,
				 program );

				print_header = 0;
			}
			fprintf(
			 stderr,
			 "Unable to print acquiry errors.\n" );

			libsystem_notify_print_error_backtrace(
			 error );
			liberror_error_free(
			 &error );
		}
	}
	if( info_handle_single_files_fprint(
	     ewfinfo_info_handle,
	     &error ) != 1 )
	{
		if( print_header != 0 )
		{
			ewfoutput_version_fprint(
			 stderr,
			 program );

			print_header = 0;
		}
		fprintf(
		 stderr,
		 "Unable to print single files.\n" );

		libsystem_notify_print_error_backtrace(
		 error );
		liberror_error_free(
		 &error );
	}
	if( ewfinfo_info_handle->output_format == INFO_HANDLE_OUTPUT_FORMAT_DFXML )
	{
		if( info_handle_dfxml_footer_fprint(
		     ewfinfo_info_handle,
		     &error ) != 1 )
		{
			if( print_header != 0 )
			{
				ewfoutput_version_fprint(
				 stderr,
				 program );

				print_header = 0;
			}
			fprintf(
			 stderr,
			 "Unable to print footer.\n" );

			goto on_error;
		}
	}
on_abort:
	if( info_handle_close(
	     ewfinfo_info_handle,
	     &error ) != 0 )
	{
		if( print_header != 0 )
		{
			ewfoutput_version_fprint(
			 stderr,
			 program );

			print_header = 0;
		}
		fprintf(
		 stderr,
		 "Unable to close info handle.\n" );

		goto on_error;
	}
	if( libsystem_signal_detach(
	     &error ) != 1 )
	{
		if( print_header != 0 )
		{
			ewfoutput_version_fprint(
			 stderr,
			 program );

			print_header = 0;
		}
		fprintf(
		 stderr,
		 "Unable to detach signal handler.\n" );

		libsystem_notify_print_error_backtrace(
		 error );
		liberror_error_free(
		 &error );
	}
	if( info_handle_free(
	     &ewfinfo_info_handle,
	     &error ) != 1 )
	{
		if( print_header != 0 )
		{
			ewfoutput_version_fprint(
			 stderr,
			 program );

			print_header = 0;
		}
		fprintf(
		 stderr,
		 "Unable to free info handle.\n" );

		goto on_error;
	}
	if( ewfinfo_abort != 0 )
	{
		if( print_header != 0 )
		{
			ewfoutput_version_fprint(
			 stderr,
			 program );

			print_header = 0;
		}
		fprintf(
		 stdout,
		 "%" PRIs_LIBCSTRING_SYSTEM ": ABORTED\n",
		 program );

		return( EXIT_FAILURE );
	}
	return( EXIT_SUCCESS );

on_error:
	if( error != NULL )
	{
		libsystem_notify_print_error_backtrace(
		 error );
		liberror_error_free(
		 &error );
	}
	if( ewfinfo_info_handle != NULL )
	{
		info_handle_free(
		 &ewfinfo_info_handle,
		 NULL );
	}
#if !defined( LIBSYSTEM_HAVE_GLOB )
	if( glob != NULL )
	{
		libsystem_glob_free(
		 &glob,
		 NULL );
	}
#endif
	return( EXIT_FAILURE );
}
/* Tests reading and writing a buffers at a specific offset
 * Returns 1 if successful, 0 if not or -1 on error
 */
int ewf_test_read_write_buffer_at_offset(
     libewf_handle_t *handle,
     off64_t input_offset,
     int input_whence,
     size64_t input_size,
     off64_t expected_offset,
     size64_t expected_size )
{
	liberror_error_t *error   = NULL;
	uint8_t *buffer           = NULL;
	const char *whence_string = NULL;
	int result                = 0;

	if( input_whence == SEEK_CUR )
	{
		whence_string = "SEEK_CUR";
	}
	else if( input_whence == SEEK_END )
	{
		whence_string = "SEEK_END";
	}
	else if( input_whence == SEEK_SET )
	{
		whence_string = "SEEK_SET";
	}
	else
	{
		whence_string = "UNKNOWN";
	}
	fprintf(
	 stdout,
	 "Testing reading and writing range with offset: %" PRIi64 ", whence: %s and size: %" PRIu64 "\t",
	 input_offset,
	 whence_string,
	 input_size );

	buffer = (uint8_t *) memory_allocate(
	                      EWF_TEST_BUFFER_SIZE );

	result = ewf_test_seek_offset(
	          handle,
	          input_offset,
	          input_whence,
	          expected_offset,
	          &error );

	if( result == 1 )
	{
		if( input_offset >= 0 )
		{
			result = ewf_test_read_write_buffer(
				  handle,
				  buffer,
				  EWF_TEST_BUFFER_SIZE,
				  input_size,
				  expected_size,
			          &error );
		}
	}
	memory_free(
	 buffer );

	if( result != 0 )
	{
		fprintf(
		 stdout,
		 "(PASS)" );
	}
	else
	{
		fprintf(
		 stdout,
		 "(FAIL)" );
	}
	fprintf(
	 stdout,
	 "\n" );

	if( result == -1 )
	{
		liberror_error_backtrace_fprint(
		 error,
		 stderr );

		liberror_error_free(
		 &error );
	}
	return( result );
}
Example #14
0
/* Writes a buffer of media data to EWF file(s)
 * Returns a Python object holding the data if successful or NULL on error
 */
PyObject *pyewf_handle_write_buffer(
           pyewf_handle_t *pyewf_handle,
           PyObject *arguments,
           PyObject *keywords )
{
	char error_string[ PYEWF_ERROR_STRING_SIZE ];

	liberror_error_t *error     = NULL;
	PyObject *result_data       = NULL;
	static char *function       = "pyewf_handle_write_buffer";
	static char *keyword_list[] = { "size", NULL };
	ssize_t write_count         = 0;
	int write_size              = -1;

	if( pyewf_handle == NULL )
	{
		PyErr_Format(
		 PyExc_TypeError,
		 "%s: invalid pyewf handle.",
		 function );

		return( NULL );
	}
	if( pyewf_handle->handle == NULL )
	{
		PyErr_Format(
		 PyExc_TypeError,
		 "%s: invalid pyewf handle - missing libewf handle.",
		 function );

		return( NULL );
	}
	if( PyArg_ParseTupleAndKeywords(
	     arguments,
	     keywords,
	     "|i",
	     keyword_list,
	     &write_size ) == 0 )
	{
		return( NULL );
	}
	if( write_size < 0 )
	{
		PyErr_Format(
		 PyExc_ValueError,
		 "%s: invalid argument read size value less than zero.",
		 function );

		return( NULL );
	}
	/* Make sure the data fits into a memory buffer
	 */
	if( write_size > INT_MAX )
	{
		PyErr_Format(
		 PyExc_ValueError,
		 "%s: invalid argument read size value exceeds maximum.",
		 function );

		return( NULL );
	}
	result_data = PyString_FromStringAndSize(
	               NULL,
	               write_size );

	write_count = libewf_handle_write_buffer(
	               pyewf_handle->handle,
	               PyString_AsString(
	                result_data ),
	               (size_t) write_size,
	               &error );

	if( write_count != (ssize_t) write_size )
	{
		if( liberror_error_backtrace_sprint(
		     error,
		     error_string,
		     PYEWF_ERROR_STRING_SIZE ) == -1 )
		{
			PyErr_Format(
			 PyExc_IOError,
			 "%s: unable to write data.",
			 function );
		}
		else
		{
			PyErr_Format(
			 PyExc_IOError,
			 "%s: unable to write data.\n%s",
			 function,
			 error_string );
		}
		liberror_error_free(
		 &error );

		return( NULL );
	}
	return( result_data );
}
Example #15
0
/* Free an error and its elements
 */
void libhmac_error_free(
      libhmac_error_t **error )
{
	liberror_error_free(
	 (liberror_error_t **) error );
}
Example #16
0
/* Open EWF file(s)
 * Returns a Python object if successful or NULL on error
 */
PyObject *pyewf_handle_open(
           pyewf_handle_t *pyewf_handle,
           PyObject *arguments,
           PyObject *keywords )
{
	char error_string[ PYEWF_ERROR_STRING_SIZE ];

	liberror_error_t *error     = NULL;
	char **filenames            = NULL;
	static char *keyword_list[] = { "filenames", "access_flags", NULL };
	PyObject *sequence_object   = NULL;
	PyObject *string_object     = NULL;
	static char *function       = "pyewf_handle_open";
	size_t filename_length      = 0;
	int access_flags            = 0;
	int filename_index          = 0;
	int number_of_filenames     = 0;

	if( pyewf_handle == NULL )
	{
		PyErr_Format(
		 PyExc_TypeError,
		 "%s: invalid pyewf handle.",
		 function );

		return( NULL );
	}
	if( PyArg_ParseTupleAndKeywords(
	     arguments,
	      keywords,
	      "O|i",
	      keyword_list,
	      &sequence_object,
	      &access_flags ) == 0 )
	{
		return( NULL );
	}
	if( PySequence_Check(
	     sequence_object ) == 0 )
	{
		PyErr_Format(
		 PyExc_TypeError,
		 "%s: argument: files must be a list or tuple.",
		 function );

		return( NULL );
	}
	number_of_filenames = PySequence_Size(
	                       sequence_object );

	if( ( number_of_filenames <= 0 )
	 || ( number_of_filenames > (int) UINT16_MAX ) )
	{
		PyErr_Format(
		 PyExc_ValueError,
		 "%s: invalid number of files.",
		 function );

		return( NULL );
	}
	filenames = (char **) memory_allocate(
	                       sizeof( char * ) * number_of_filenames );

	if( filenames == NULL )
	{
		PyErr_Format(
		 PyExc_MemoryError,
		 "%s: unable to create filenames.",
		 function );

		return( NULL );
	}
	if( memory_set(
	     filenames,
	     0,
	     sizeof( char * ) * number_of_filenames ) == NULL )
	{
		PyErr_Format(
		 PyExc_MemoryError,
		 "%s: unable to clear filenames.",
		 function );

		memory_free(
		 filenames );

		return( NULL );
	}
	for( filename_index = 0;
	     filename_index < number_of_filenames;
	     filename_index++ )
	{
		string_object = PySequence_GetItem(
		                 sequence_object,
		                 filename_index );

		filename_length = PyString_Size(
		                   string_object );

		filenames[ filename_index ] = (char *) memory_allocate(
		                                        sizeof( char ) * ( filename_length + 1 ) );

		if( filenames[ filename_index ] == NULL )
		{
			PyErr_Format(
			 PyExc_MemoryError,
			 "%s: unable to create filename: %d.",
			 function,
			 filename_index );

			for( ; filename_index > 0; filename_index-- )
			{
				memory_free(
				 filenames[ filename_index - 1 ] );
			}
			memory_free(
			 filenames );

			return( NULL );
		}
		if( libcstring_narrow_string_copy(
		     filenames[ filename_index ],
		     PyString_AsString(
		      string_object ),
		     filename_length ) == NULL )
		{
			PyErr_Format(
			 PyExc_MemoryError,
			 "%s: unable to set filename: %d.",
			 function,
			 filename_index );

			for( ; filename_index > 0; filename_index-- )
			{
				memory_free(
				 filenames[ filename_index - 1 ] );
			}
			memory_free(
			 filenames );

			return( NULL );
		}
		( filenames[ filename_index ] )[ filename_length ] = 0;

		Py_DecRef(
		 string_object );
	}
	if( libewf_handle_open(
	     pyewf_handle->handle,
             filenames,
             number_of_filenames,
             access_flags,
	     &error ) != 1 )
	{
		if( liberror_error_backtrace_sprint(
		     error,
		     error_string,
		     PYEWF_ERROR_STRING_SIZE ) == -1 )
		{
			PyErr_Format(
			 PyExc_IOError,
			 "%s: unable to open handle.",
			 function );
		}
		else
		{
			PyErr_Format(
			 PyExc_IOError,
			 "%s: unable to open handle.\n%s",
			 function,
			 error_string );
		}
		liberror_error_free(
		 &error );

		for( filename_index = 0;
		     filename_index < number_of_filenames;
		     filename_index++ )
		{
			memory_free(
			 filenames[ filename_index ] );
		}
		memory_free(
		 filenames );

		return( NULL );
	}
	for( filename_index = 0;
	     filename_index < number_of_filenames;
	     filename_index++ )
	{
		memory_free(
		 filenames[ filename_index ] );
	}
	memory_free(
	 filenames );

	return( Py_None );
}
Example #17
0
/* Free an error and its elements
 */
void libmapidb_error_free(
      libmapidb_error_t **error )
{
	liberror_error_free(
	 (liberror_error_t **) error );
}
/* Reads a certain chunk of data
 * Adds a checksum error if the data is corrupted
 * Returns 1 if successful or -1 on error
 */
int libewf_read_io_handle_read_chunk_data(
    libewf_read_io_handle_t *read_io_handle,
    libbfio_pool_t *file_io_pool,
    libewf_media_values_t *media_values,
    libmfdata_list_t *chunk_table_list,
    libmfcache_cache_t *chunk_table_cache,
    int chunk_index,
    off64_t chunk_offset,
    libewf_chunk_data_t **chunk_data,
    liberror_error_t **error )
{
    static char *function      = "libewf_read_io_handle_read_chunk_data";
    size_t chunk_size          = 0;
    uint64_t start_sector      = 0;
    uint32_t number_of_sectors = 0;
    int result                 = 0;

    if( read_io_handle == NULL )
    {
        liberror_error_set(
            error,
            LIBERROR_ERROR_DOMAIN_ARGUMENTS,
            LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
            "%s: invalid read IO handle.",
            function );

        return( -1 );
    }
    if( media_values == NULL )
    {
        liberror_error_set(
            error,
            LIBERROR_ERROR_DOMAIN_ARGUMENTS,
            LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
            "%s: invalid media values.",
            function );

        return( -1 );
    }
    if( chunk_data == NULL )
    {
        liberror_error_set(
            error,
            LIBERROR_ERROR_DOMAIN_ARGUMENTS,
            LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
            "%s: invalid chunk data.",
            function );

        return( -1 );
    }
    /* This function will expand element groups
     */
    result = libmfdata_list_get_element_value_by_index(
                 chunk_table_list,
                 file_io_pool,
                 chunk_table_cache,
                 chunk_index,
                 (intptr_t **) chunk_data,
                 0,
                 error );

    if( result != 1 )
    {
        liberror_error_set(
            error,
            LIBERROR_ERROR_DOMAIN_RUNTIME,
            LIBERROR_RUNTIME_ERROR_GET_FAILED,
            "%s: unable to retrieve chunk data: %d.",
            function,
            chunk_index );

#if defined( HAVE_DEBUG_OUTPUT )
        if( libnotify_verbose != 0 )
        {
            if( ( error != NULL )
                    && ( *error != NULL ) )
            {
                libnotify_print_error_backtrace(
                    *error );
            }
        }
#endif
        liberror_error_free(
            error );

        chunk_size = media_values->chunk_size;

        if( (size64_t) ( chunk_offset + chunk_size ) > media_values->media_size )
        {
            chunk_size = (size_t) ( media_values->media_size - chunk_offset );
        }
        if( libewf_chunk_data_initialize(
                    chunk_data,
                    chunk_size,
                    error ) != 1 )
        {
            liberror_error_set(
                error,
                LIBERROR_ERROR_DOMAIN_RUNTIME,
                LIBERROR_RUNTIME_ERROR_INITIALIZE_FAILED,
                "%s: unable to create chunk data.",
                function );

            return( -1 );
        }
        if( *chunk_data == NULL )
        {
            liberror_error_set(
                error,
                LIBERROR_ERROR_DOMAIN_RUNTIME,
                LIBERROR_RUNTIME_ERROR_VALUE_MISSING,
                "%s: missing chunk data: %d.",
                function,
                chunk_index );

            return( -1 );
        }
        ( *chunk_data )->data_size  = chunk_size;
        ( *chunk_data )->is_corrupt = 1;

        if( memory_set(
                    ( *chunk_data )->data,
                    0,
                    ( *chunk_data )->data_size ) == NULL )
        {
            liberror_error_set(
                error,
                LIBERROR_ERROR_DOMAIN_MEMORY,
                LIBERROR_MEMORY_ERROR_SET_FAILED,
                "%s: unable to zero chunk data.",
                function );

            libewf_chunk_data_free(
                chunk_data,
                NULL );

            return( -1 );
        }
        if( libmfdata_list_set_element_by_index(
                    chunk_table_list,
                    chunk_index,
                    -1,
                    chunk_offset,
                    chunk_size,
                    0,
                    error ) != 1 )
        {
            liberror_error_set(
                error,
                LIBERROR_ERROR_DOMAIN_RUNTIME,
                LIBERROR_RUNTIME_ERROR_GET_FAILED,
                "%s: unable to set chunk: %d in table.",
                function,
                chunk_index );

            libewf_chunk_data_free(
                chunk_data,
                NULL );

            return( -1 );
        }
        if( libmfdata_list_set_element_value_by_index(
                    chunk_table_list,
                    chunk_table_cache,
                    chunk_index,
                    (intptr_t *) *chunk_data,
                    (int (*)(intptr_t **, liberror_error_t **)) &libewf_chunk_data_free,
                    LIBMFDATA_LIST_ELEMENT_VALUE_FLAG_MANAGED,
                    error ) != 1 )
        {
            liberror_error_set(
                error,
                LIBERROR_ERROR_DOMAIN_RUNTIME,
                LIBERROR_RUNTIME_ERROR_GET_FAILED,
                "%s: unable to set chunk data: %d as element value.",
                function,
                chunk_index );

            libewf_chunk_data_free(
                chunk_data,
                NULL );

            return( -1 );
        }
    }
    else
    {
        if( *chunk_data == NULL )
        {
            liberror_error_set(
                error,
                LIBERROR_ERROR_DOMAIN_RUNTIME,
                LIBERROR_RUNTIME_ERROR_VALUE_MISSING,
                "%s: missing chunk data: %d.",
                function,
                chunk_index );

            return( -1 );
        }
        if( libewf_chunk_data_unpack(
                    *chunk_data,
                    media_values->chunk_size,
                    error ) != 1 )
        {
            liberror_error_set(
                error,
                LIBERROR_ERROR_DOMAIN_RUNTIME,
                LIBERROR_RUNTIME_ERROR_GENERIC,
                "%s: unable to unpack chunk data: %d.",
                function,
                chunk_index );

            return( -1 );
        }
        if( ( *chunk_data )->is_corrupt != 0 )
        {
            if( read_io_handle->zero_on_error != 0 )
            {
                if( memory_set(
                            ( *chunk_data )->data,
                            0,
                            ( *chunk_data )->data_size ) == NULL )
                {
                    liberror_error_set(
                        error,
                        LIBERROR_ERROR_DOMAIN_MEMORY,
                        LIBERROR_MEMORY_ERROR_SET_FAILED,
                        "%s: unable to zero chunk data.",
                        function );

                    return( -1 );
                }
            }
        }
    }
    if( ( *chunk_data )->is_corrupt != 0 )
    {
        /* Add checksum error
         */
        start_sector      = (uint64_t) chunk_index * (uint64_t) media_values->sectors_per_chunk;
        number_of_sectors = media_values->sectors_per_chunk;

        if( ( start_sector + number_of_sectors ) > (uint64_t) media_values->number_of_sectors )
        {
            number_of_sectors = (uint32_t) ( (uint64_t) media_values->number_of_sectors - start_sector );
        }
        if( libewf_sector_list_append_sector(
                    read_io_handle->checksum_errors,
                    start_sector,
                    number_of_sectors,
                    1,
                    error ) != 1 )
        {
            liberror_error_set(
                error,
                LIBERROR_ERROR_DOMAIN_RUNTIME,
                LIBERROR_RUNTIME_ERROR_APPEND_FAILED,
                "%s: unable to append checksum error to sectors list.",
                function );

            return( -1 );
        }
    }
    return( 1 );
}
Example #19
0
/* Seeks a certain offset in the media data
 * Returns a Python object holding the offset if successful or NULL on error
 */
PyObject *pyewf_handle_seek_offset(
           pyewf_handle_t *pyewf_handle,
           PyObject *arguments,
           PyObject *keywords )
{
	char error_string[ PYEWF_ERROR_STRING_SIZE ];

	liberror_error_t *error     = NULL;
	static char *function       = "pyewf_handle_seek_offset";
	static char *keyword_list[] = { "offset", "whence", NULL };
	off64_t offset              = 0;
	int whence                  = 0;

	if( pyewf_handle == NULL )
	{
		PyErr_Format(
		 PyExc_TypeError,
		 "%s: invalid pyewf handle.",
		 function );

		return( NULL );
	}
	if( pyewf_handle->handle == NULL )
	{
		PyErr_Format(
		 PyExc_TypeError,
		 "%s: invalid pyewf handle - missing libewf handle.",
		 function );

		return( NULL );
	}
	if( PyArg_ParseTupleAndKeywords(
	     arguments,
	     keywords,
	     "L|i",
	     keyword_list, 
	     &offset,
	     &whence ) == 0 )
	{
		return( NULL );
	}
	if( libewf_handle_seek_offset(
	     pyewf_handle->handle,
	     offset,
	     whence,
	     &error ) < 0 )
	{
		if( liberror_error_backtrace_sprint(
		     error,
		     error_string,
		     PYEWF_ERROR_STRING_SIZE ) == -1 )
		{
			PyErr_Format(
			 PyExc_IOError,
			 "%s: unable to seek offset.",
			 function );
		}
		else
		{
			PyErr_Format(
			 PyExc_IOError,
			 "%s: unable to seek offset.\n%s",
			 function,
			 error_string );
		}
		liberror_error_free(
		 &error );

		return( NULL );
	}
	return( Py_None );
}
Example #20
0
/* Packs the chunk data
 * This function either adds the checksum or compresses the chunk data
 * Returns 1 if successful or -1 on error
 */
int libewf_chunk_data_pack(
     libewf_chunk_data_t *chunk_data,
     int8_t compression_level,
     uint8_t compression_flags,
     uint8_t ewf_format,
     size32_t chunk_size,
     const uint8_t *compressed_zero_byte_empty_block,
     size_t compressed_zero_byte_empty_block_size,
     liberror_error_t **error )
{
	static char *function        = "libewf_chunk_data_pack";
	void *reallocation           = NULL;
	uint32_t calculated_checksum = 0;
	int is_empty_zero_block      = 0;
	int result                   = 0;

	if( chunk_data == NULL )
	{
		liberror_error_set(
		 error,
		 LIBERROR_ERROR_DOMAIN_ARGUMENTS,
		 LIBERROR_ARGUMENT_ERROR_INVALID_VALUE,
		 "%s: invalid chunk data.",
		 function );

		return( -1 );
	}
	if( chunk_data->data == NULL )
	{
		liberror_error_set(
		 error,
		 LIBERROR_ERROR_DOMAIN_RUNTIME,
		 LIBERROR_RUNTIME_ERROR_VALUE_MISSING,
		 "%s: invalid chunk data - missing data.",
		 function );

		return( -1 );
	}
	if( chunk_data->is_packed != 0 )
	{
		return( 1 );
	}
	chunk_data->is_compressed = 0;

	if( ( ewf_format != EWF_FORMAT_S01 )
	 && ( compression_flags & LIBEWF_FLAG_COMPRESS_EMPTY_BLOCK ) != 0 )
	{
		result = libewf_empty_block_test(
			  chunk_data->data,
			  chunk_data->data_size,
			  error );

		if( result == -1 )
		{
			liberror_error_set(
			 error,
			 LIBERROR_ERROR_DOMAIN_RUNTIME,
			 LIBERROR_RUNTIME_ERROR_GET_FAILED,
			 "%s: unable to determine if chunk data is empty an empty block.",
			 function );

			return( -1 );
		}
		else if( result == 1 )
		{
			if( compression_level == EWF_COMPRESSION_NONE )
			{
				compression_level = EWF_COMPRESSION_DEFAULT;
			}
			if( ( chunk_data->data )[ 0 ] == 0 )
			{
				is_empty_zero_block = 1;
			}
		}
		else
		{
			compression_level = EWF_COMPRESSION_NONE;
		}
	}
	if( ( ewf_format == EWF_FORMAT_S01 )
	 || ( compression_level != EWF_COMPRESSION_NONE ) )
	{
		chunk_data->compressed_data_size = 2 * chunk_data->data_size;

		chunk_data->compressed_data = (uint8_t *) memory_allocate(
		                                           sizeof( uint8_t ) * chunk_data->compressed_data_size );

		if( chunk_data->compressed_data == NULL )
		{
			liberror_error_set(
			 error,
			 LIBERROR_ERROR_DOMAIN_MEMORY,
			 LIBERROR_MEMORY_ERROR_INSUFFICIENT,
			 "%s: unable to create compressed data.",
			 function );

			return( -1 );
		}
		if( ( is_empty_zero_block != 0 )
		 && ( chunk_data->data_size == (size_t) chunk_size )
		 && ( compressed_zero_byte_empty_block != NULL ) )
		{
			if( memory_copy(
			     chunk_data->compressed_data,
			     compressed_zero_byte_empty_block,
			     compressed_zero_byte_empty_block_size ) == NULL )
			{
				liberror_error_set(
				 error,
				 LIBERROR_ERROR_DOMAIN_MEMORY,
				 LIBERROR_MEMORY_ERROR_COPY_FAILED,
				 "%s: unable to copy compressed zero byte empty block to compressed chunk buffer.",
				 function );

				return( -1 );
			}
			chunk_data->compressed_data_size = compressed_zero_byte_empty_block_size;
		}
		else
		{
			result = libewf_compress(
				  chunk_data->compressed_data,
				  &( chunk_data->compressed_data_size ),
				  chunk_data->data,
				  chunk_data->data_size,
				  compression_level,
				  error );

			/* Check if the compressed buffer was too small
			 * and a new compressed data size buffer was passed back
			 */
			if( ( result == -1 )
			 && ( chunk_data->compressed_data_size > 0 ) )
			{
				liberror_error_free(
				 error );

				reallocation = memory_reallocate(
						chunk_data->compressed_data,
						sizeof( uint8_t ) * chunk_data->compressed_data_size );

				if( reallocation == NULL )
				{
					liberror_error_set(
					 error,
					 LIBERROR_ERROR_DOMAIN_MEMORY,
					 LIBERROR_MEMORY_ERROR_INSUFFICIENT,
					 "%s: unable to resize compressed data.",
					 function );

					return( -1 );
				}
				chunk_data->compressed_data = (uint8_t *) reallocation;

				result = libewf_compress(
					  chunk_data->compressed_data,
					  &( chunk_data->compressed_data_size ),
					  chunk_data->data,
					  chunk_data->data_size,
					  compression_level,
					  error );
			}
			if( result != 1 )
			{
				liberror_error_set(
				 error,
				 LIBERROR_ERROR_DOMAIN_COMPRESSION,
				 LIBERROR_COMPRESSION_ERROR_COMPRESS_FAILED,
				 "%s: unable to compress chunk data.",
				 function );

				return( -1 );
			}
		}
	 	if( ( ewf_format == EWF_FORMAT_S01 )
		 || ( chunk_data->compressed_data_size < chunk_data->data_size ) )
		{
			memory_free(
			 chunk_data->data );

			chunk_data->data      = chunk_data->compressed_data;
			chunk_data->data_size = chunk_data->compressed_data_size;

			chunk_data->compressed_data      = NULL;
			chunk_data->compressed_data_size = 0;

			chunk_data->is_compressed = 1;
		}
	}
	if( chunk_data->is_compressed == 0 )
	{
		if( ( chunk_data->data_size + sizeof( uint32_t ) ) > chunk_data->allocated_data_size )
		{
			liberror_error_set(
			 error,
			 LIBERROR_ERROR_DOMAIN_RUNTIME,
			 LIBERROR_RUNTIME_ERROR_VALUE_OUT_OF_BOUNDS,
			 "%s: chunk data size value out of bounds.",
			 function );

			return( -1 );
		}
		calculated_checksum = ewf_checksum_calculate(
		                       chunk_data->data,
		                       chunk_data->data_size,
		                       1 );

		byte_stream_copy_from_uint32_little_endian(
		 &( ( chunk_data->data )[ chunk_data->data_size ] ),
		 calculated_checksum );

		chunk_data->data_size += sizeof( uint32_t );
	}
	chunk_data->is_packed = 1;

	return( 1 );
}
/* Tests reading and writing chunks at a specific offset
 * Returns 1 if successful, 0 if not or -1 on error
 */
int ewf_test_read_write_chunk_at_offset(
     libewf_handle_t *handle,
     size32_t chunk_size,
     off64_t input_offset,
     int input_whence,
     size64_t input_size,
     off64_t expected_offset,
     size64_t expected_size )
{
	liberror_error_t *error   = NULL;
	uint8_t *chunk_buffer     = NULL;
	uint8_t *data_buffer      = NULL;
	const char *whence_string = NULL;
	size_t chunk_buffer_size  = 0;
	size_t data_buffer_size   = 0;
	int result                = 0;

	if( chunk_size == 0 )
	{
		return( -1 );
	}
#if SIZEOF_SIZE_T < 8
	if( (size_t) chunk_size > (size_t) SSIZE_MAX )
	{
		return( -1 );
	}
#endif
	if( input_whence == SEEK_CUR )
	{
		whence_string = "SEEK_CUR";
	}
	else if( input_whence == SEEK_END )
	{
		whence_string = "SEEK_END";
	}
	else if( input_whence == SEEK_SET )
	{
		whence_string = "SEEK_SET";
	}
	else
	{
		whence_string = "UNKNOWN";
	}
	fprintf(
	 stdout,
	 "Testing reading range and writing with offset: %" PRIi64 ", whence: %s and size: %" PRIu64 "\t",
	 input_offset,
	 whence_string,
	 input_size );

	result = ewf_test_seek_offset(
	          handle,
	          input_offset,
	          input_whence,
	          expected_offset,
	          &error );

	data_buffer_size = chunk_size;

	data_buffer = (uint8_t *) memory_allocate(
	                           sizeof( uint8_t ) * data_buffer_size );

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

	chunk_buffer = (uint8_t *) memory_allocate(
	                            sizeof( uint8_t ) * chunk_buffer_size );

	if( result == 1 )
	{
		if( input_offset >= 0 )
		{
			result = ewf_test_read_write_chunk(
				  handle,
				  data_buffer,
				  data_buffer_size,
				  chunk_buffer,
				  chunk_buffer_size,
				  input_size,
				  expected_size,
			          &error );
		}
	}
	memory_free(
	 chunk_buffer );
	memory_free(
	 data_buffer );

	if( result != 0 )
	{
		fprintf(
		 stdout,
		 "(PASS)" );
	}
	else
	{
		fprintf(
		 stdout,
		 "(FAIL)" );
	}
	fprintf(
	 stdout,
	 "\n" );

	if( result == -1 )
	{
		liberror_error_backtrace_fprint(
		 error,
		 stderr );

		liberror_error_free(
		 &error );
	}
	return( result );
}
Example #22
0
/* Free an error and its elements
 */
void libodraw_error_free(
      libodraw_error_t **error )
{
	liberror_error_free(
	 (liberror_error_t **) error );
}
Example #23
0
/* Frees a handle object
 */
void pyewf_handle_free(
      pyewf_handle_t *pyewf_handle )
{
	char error_string[ PYEWF_ERROR_STRING_SIZE ];

	liberror_error_t *error = NULL;
	static char *function   = "pyewf_handle_free";

	if( pyewf_handle == NULL )
	{
		PyErr_Format(
		 PyExc_TypeError,
		 "%s: invalid handle.",
		 function );

		return;
	}
	if( pyewf_handle->ob_type == NULL )
	{
		PyErr_Format(
		 PyExc_TypeError,
		 "%s: invalid handle - missing ob_type.",
		 function );

		return;
	}
	if( pyewf_handle->ob_type->tp_free == NULL )
	{
		PyErr_Format(
		 PyExc_TypeError,
		 "%s: invalid handle - invalid ob_type - missing tp_free.",
		 function );

		return;
	}
	if( pyewf_handle->handle == NULL )
	{
		PyErr_Format(
		 PyExc_TypeError,
		 "%s: invalid handle - missing libewf handle.",
		 function );

		return;
	}
	if( libewf_handle_free(
	     &( pyewf_handle->handle ),
	     &error ) != 1 )
	{
		if( liberror_error_backtrace_sprint(
		     error,
		     error_string,
		     PYEWF_ERROR_STRING_SIZE ) == -1 )
		{
			PyErr_Format(
			 PyExc_MemoryError,
			 "%s: unable to free handle.",
			 function );
		}
		else
		{
			PyErr_Format(
			 PyExc_MemoryError,
			 "%s: unable to free handle.\n%s",
			 function,
			 error_string );
		}
		liberror_error_free(
		 &error );
	}
	pyewf_handle->ob_type->tp_free(
	 (PyObject*) pyewf_handle );
}
Example #24
0
int main( int argc, char * const argv[] )
#endif
{
	libcstring_system_character_t acquiry_operating_system[ 32 ];
	libcstring_system_character_t input_buffer[ EWFEXPORT_INPUT_BUFFER_SIZE ];

	libcstring_system_character_t * const *argv_filenames         = NULL;

	liberror_error_t *error                                       = NULL;

#if !defined( LIBSYSTEM_HAVE_GLOB )
	libsystem_glob_t *glob                                        = NULL;
#endif

	libcstring_system_character_t *acquiry_software_version       = NULL;
	libcstring_system_character_t *log_filename                   = NULL;
	libcstring_system_character_t *option_additional_digest_types = NULL;
	libcstring_system_character_t *option_compression_level       = NULL;
	libcstring_system_character_t *option_format                  = NULL;
	libcstring_system_character_t *option_header_codepage         = NULL;
	libcstring_system_character_t *option_maximum_segment_size    = NULL;
	libcstring_system_character_t *option_offset                  = NULL;
	libcstring_system_character_t *option_process_buffer_size     = NULL;
	libcstring_system_character_t *option_sectors_per_chunk       = NULL;
	libcstring_system_character_t *option_size                    = NULL;
	libcstring_system_character_t *option_target_filename         = NULL;
	libcstring_system_character_t *program                        = _LIBCSTRING_SYSTEM_STRING( "ewfexport" );
	libcstring_system_character_t *request_string                 = NULL;

	log_handle_t *log_handle                                      = NULL;

	libcstring_system_integer_t option                            = 0;
	size64_t media_size                                           = 0;
	size_t string_length                                          = 0;
	uint8_t calculate_md5                                         = 1;
	uint8_t print_status_information                              = 1;
	uint8_t swap_byte_pairs                                       = 0;
	uint8_t verbose                                               = 0;
	uint8_t zero_chunk_on_error                                   = 0;
	int interactive_mode                                          = 1;
	int number_of_filenames                                       = 0;
	int result                                                    = 1;

	libsystem_notify_set_stream(
	 stderr,
	 NULL );
	libsystem_notify_set_verbose(
	 1 );

	if( libsystem_initialize(
	     "ewftools",
	     &error ) != 1 )
	{
		ewfoutput_version_fprint(
		 stderr,
		 program );

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

		goto on_error;
	}
#if defined( WINAPI ) && !defined( __CYGWIN__ )
#if defined( _MSC_VER )
	if( _setmode(
	     _fileno(
	      stdout ),
	     _O_BINARY ) == -1 )
#else
	if( setmode(
	     _fileno(
	      stdout ),
	     _O_BINARY ) == -1 )
#endif
	{
		ewfoutput_version_fprint(
		 stderr,
		 program );

		fprintf(
		 stderr,
		 "Unable to set stdout to binary mode.\n" );

		usage_fprint(
		 stdout );

		goto on_error;
	}
#endif
	while( ( option = libsystem_getopt(
	                   argc,
	                   argv,
	                   _LIBCSTRING_SYSTEM_STRING( "A:b:B:c:d:f:hl:o:p:qsS:t:uvVw" ) ) ) != (libcstring_system_integer_t) -1 )
	{
		switch( option )
		{
			case (libcstring_system_integer_t) '?':
			default:
				ewfoutput_version_fprint(
				 stderr,
				 program );

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

				usage_fprint(
				 stderr );

				goto on_error;

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

				break;

			case (libcstring_system_integer_t) 'b':
				option_sectors_per_chunk = optarg;

				break;

			case (libcstring_system_integer_t) 'B':
				option_size = optarg;

				break;

			case (libcstring_system_integer_t) 'c':
				option_compression_level = optarg;

				break;

			case (libcstring_system_integer_t) 'd':
				option_additional_digest_types = optarg;

				break;

			case (libcstring_system_integer_t) 'f':
				option_format = optarg;

				break;

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

				usage_fprint(
				 stderr );

				return( EXIT_SUCCESS );

			case (libcstring_system_integer_t) 'l':
				log_filename = optarg;

				break;

			case (libcstring_system_integer_t) 'o':
				option_offset = optarg;

				break;

			case (libcstring_system_integer_t) 'p':
				option_process_buffer_size = optarg;

				break;

			case (libcstring_system_integer_t) 'q':
				print_status_information = 0;

				break;

			case (libcstring_system_integer_t) 's':
				swap_byte_pairs = 1;

				break;

			case (libcstring_system_integer_t) 'S':
				option_maximum_segment_size = optarg;

				break;

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

				break;

			case (libcstring_system_integer_t) 'u':
				interactive_mode = 0;

				break;

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

				break;

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

				ewfoutput_copyright_fprint(
				 stderr );

				return( EXIT_SUCCESS );

			case (libcstring_system_integer_t) 'w':
				zero_chunk_on_error = 1;

				break;
		}
	}
	if( optind == argc )
	{
		ewfoutput_version_fprint(
		 stderr,
		 program );

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

		usage_fprint(
		 stderr );

		goto on_error;
	}
	ewfoutput_version_fprint(
	 stderr,
	 program );

	libsystem_notify_set_verbose(
	 verbose );
	libewf_notify_set_verbose(
	 verbose );
	libewf_notify_set_stream(
	 stderr,
	 NULL );

#if !defined( LIBSYSTEM_HAVE_GLOB )
	if( libsystem_glob_initialize(
	     &glob,
	     &error ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to initialize glob.\n" );

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

		goto on_error;
	}
	argv_filenames      = glob->result;
	number_of_filenames = glob->number_of_results;
#else
	argv_filenames      = &( argv[ optind ] );
	number_of_filenames = argc - optind;
#endif

	if( export_handle_initialize(
	     &ewfexport_export_handle,
	     calculate_md5,
	     &error ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to create export handle.\n" );

		goto on_error;
	}
	if( libsystem_signal_attach(
	     ewfexport_signal_handler,
	     &error ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to attach signal handler.\n" );

		libsystem_notify_print_error_backtrace(
		 error );
		liberror_error_free(
		 &error );
	}
	result = export_handle_open_input(
	          ewfexport_export_handle,
	          argv_filenames,
	          number_of_filenames,
	          &error );

	if( ewfexport_abort != 0 )
	{
		goto on_abort;
	}
	if( result != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to open EWF file(s).\n" );

		goto on_error;
	}
#if !defined( LIBSYSTEM_HAVE_GLOB )
	if( libsystem_glob_free(
	     &glob,
	     &error ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to free glob.\n" );

		goto on_error;
	}
#endif
	if( export_handle_get_input_media_size(
	     ewfexport_export_handle,
	     &media_size,
	     &error ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to retrieve input media size.\n" );

		goto on_error;
	}
	if( option_header_codepage != NULL )
	{
		result = export_handle_set_header_codepage(
			  ewfexport_export_handle,
		          option_header_codepage,
			  &error );

		if( result == -1 )
		{
			fprintf(
			 stderr,
			 "Unable to set header codepage.\n" );

			goto on_error;
		}
		else if( result == 0 )
		{
			fprintf(
			 stderr,
			 "Unsupported header codepage defaulting to: ascii.\n" );
		}
	}
	if( option_target_filename != NULL )
	{
		if( export_handle_set_string(
		     ewfexport_export_handle,
		     option_target_filename,
		     &( ewfexport_export_handle->target_filename ),
		     &( ewfexport_export_handle->target_filename_size ),
		     &error ) != 1 )
		{
			fprintf(
			 stderr,
			 "Unable to set target filename.\n" );

			goto on_error;
		}
	}
	else if( interactive_mode == 0 )
	{
		/* Make sure the target filename is set in unattended mode
		 */
		if( export_handle_set_string(
		     ewfexport_export_handle,
		     _LIBCSTRING_SYSTEM_STRING( "export" ),
		     &( ewfexport_export_handle->target_filename ),
		     &( ewfexport_export_handle->target_filename_size ),
		     &error ) != 1 )
		{
			fprintf(
			 stderr,
			 "Unable to set target filename.\n" );

			goto on_error;
		}
	}
	if( option_compression_level != NULL )
	{
		result = export_handle_set_compression_values(
			  ewfexport_export_handle,
			  option_compression_level,
			  &error );

		if( result == -1 )
		{
			fprintf(
			 stderr,
			 "Unable to set compression values.\n" );

			goto on_error;
		}
		else if( result == 0 )
		{
			fprintf(
			 stderr,
			 "Unsupported compression level defaulting to: none.\n" );
		}
	}
	if( option_format != NULL )
	{
		result = export_handle_set_format(
			  ewfexport_export_handle,
			  option_format,
			  &error );

		if( result == -1 )
		{
			fprintf(
			 stderr,
			 "Unable to set format.\n" );

			goto on_error;
		}
		else if( result == 0 )
		{
			fprintf(
			 stderr,
			 "Unsupported output format defaulting to: raw.\n" );
		}
	}
	if( option_sectors_per_chunk != NULL )
	{
		result = export_handle_set_sectors_per_chunk(
			  ewfexport_export_handle,
			  option_sectors_per_chunk,
			  &error );

		if( result == -1 )
		{
			fprintf(
			 stderr,
			 "Unable to set sectors per chunk.\n" );

			goto on_error;
		}
		else if( result == 0 )
		{
			fprintf(
			 stderr,
			 "Unsupported sectors per chunk defaulting to: 64.\n" );
		}
	}
	if( option_maximum_segment_size != NULL )
	{
		result = export_handle_set_maximum_segment_size(
			  ewfexport_export_handle,
			  option_maximum_segment_size,
			  &error );

		if( result == -1 )
		{
			fprintf(
			 stderr,
			 "Unable to set maximum segment size.\n" );

			goto on_error;
		}
		if( ewfexport_export_handle->output_format == EXPORT_HANDLE_OUTPUT_FORMAT_EWF )
		{
			if( ( result == 0 )
			 || ( ewfexport_export_handle->maximum_segment_size < EWFCOMMON_MINIMUM_SEGMENT_FILE_SIZE )
			 || ( ( ewfexport_export_handle->ewf_format == LIBEWF_FORMAT_ENCASE6 )
			  &&  ( ewfexport_export_handle->maximum_segment_size >= (uint64_t) EWFCOMMON_MAXIMUM_SEGMENT_FILE_SIZE_64BIT ) )
			 || ( ( ewfexport_export_handle->ewf_format != LIBEWF_FORMAT_ENCASE6 )
			  &&  ( ewfexport_export_handle->maximum_segment_size >= (uint64_t) EWFCOMMON_MAXIMUM_SEGMENT_FILE_SIZE_32BIT ) ) )
			{
				ewfexport_export_handle->maximum_segment_size = EWFCOMMON_DEFAULT_SEGMENT_FILE_SIZE;

				fprintf(
				 stderr,
				 "Unsupported maximum segment size defaulting to: %" PRIu64 ".\n",
				 ewfexport_export_handle->maximum_segment_size );
			}
		}
		else if( ewfexport_export_handle->output_format == EXPORT_HANDLE_OUTPUT_FORMAT_RAW )
		{
			if( ( result == 0 )
			 || ( ( ewfexport_export_handle->maximum_segment_size != 0 )
			  &&  ( ewfexport_export_handle->maximum_segment_size >= (uint64_t) EWFCOMMON_MAXIMUM_SEGMENT_FILE_SIZE_64BIT ) ) )
			{
				ewfexport_export_handle->maximum_segment_size = EWFCOMMON_DEFAULT_SEGMENT_FILE_SIZE;

				fprintf(
				 stderr,
				 "Unsupported maximum segment size defaulting to: %" PRIu64 ".\n",
				 ewfexport_export_handle->maximum_segment_size );
			}
		}
	}
	if( option_offset != NULL )
	{
		string_length = libcstring_system_string_length(
				 option_offset );

		if( libsystem_string_to_uint64(
		     option_offset,
		     string_length + 1,
		     &ewfexport_export_handle->export_offset,
		     &error ) != 1 )
		{
			libsystem_notify_print_error_backtrace(
			 error );
			liberror_error_free(
			 &error );

			ewfexport_export_handle->export_offset = 0;

			fprintf(
			 stderr,
			 "Unsupported export offset defaulting to: %" PRIu64 ".\n",
			 ewfexport_export_handle->export_offset );
		}
	}
	if( option_size != NULL )
	{
		string_length = libcstring_system_string_length(
				 option_size );

		if( libsystem_string_to_uint64(
		     option_size,
		     string_length + 1,
		     &ewfexport_export_handle->export_size,
		     &error ) != 1 )
		{
			libsystem_notify_print_error_backtrace(
			 error );
			liberror_error_free(
			 &error );

			ewfexport_export_handle->export_size = 0;

			fprintf(
			 stderr,
			 "Unsupported export size defaulting to: all bytes.\n" );
		}
	}
	if( option_process_buffer_size != NULL )
	{
		result = export_handle_set_process_buffer_size(
			  ewfexport_export_handle,
			  option_process_buffer_size,
			  &error );

		if( result == -1 )
		{
			fprintf(
			 stderr,
			 "Unable to set process buffer size.\n" );

			goto on_error;
		}
		else if( ( result == 0 )
		      || ( ewfexport_export_handle->process_buffer_size > (size_t) SSIZE_MAX ) )
		{
			ewfexport_export_handle->process_buffer_size = 0;

			fprintf(
			 stderr,
			 "Unsupported process buffer size defaulting to: chunk size.\n" );
		}
	}
	if( option_additional_digest_types != NULL )
	{
		result = export_handle_set_additional_digest_types(
			  ewfexport_export_handle,
			  option_additional_digest_types,
			  &error );

		if( result == -1 )
		{
			fprintf(
			 stderr,
			 "Unable to set additional digest types.\n" );

			goto on_error;
		}
	}
	/* Initialize values
	 */
	if( ( ewfexport_export_handle->export_size == 0 )
	 || ( ewfexport_export_handle->export_size > ( media_size - ewfexport_export_handle->export_offset ) ) )
	{
		ewfexport_export_handle->export_size = media_size - ewfexport_export_handle->export_offset;
	}
	/* Request the necessary case data
	 */
	if( interactive_mode != 0 )
	{
		if( libsystem_signal_detach(
		     &error ) != 1 )
		{
			fprintf(
			 stderr,
			 "Unable to detach signal handler.\n" );

			libsystem_notify_print_error_backtrace(
			 error );
			liberror_error_free(
			 &error );
		}
		fprintf(
		 stderr,
		 "Information for export required, please provide the necessary input\n" );

		if( option_format == NULL )
		{
			result = export_handle_prompt_for_format(
				  ewfexport_export_handle,
			          _LIBCSTRING_SYSTEM_STRING( "Export to format" ),
				  &error );

			if( result == -1 )
			{
				fprintf(
				 stderr,
				 "Unable to determine format.\n" );

				goto on_error;
			}
		}
		if( option_target_filename == NULL )
		{
			if( ewfexport_export_handle->output_format == EXPORT_HANDLE_OUTPUT_FORMAT_EWF )
			{
				request_string = _LIBCSTRING_SYSTEM_STRING( "Target path and filename without extension" );
			}
			else if( ewfexport_export_handle->output_format == EXPORT_HANDLE_OUTPUT_FORMAT_FILES )
			{
				request_string = _LIBCSTRING_SYSTEM_STRING( "Target path" );
			}
			else if( ewfexport_export_handle->output_format == EXPORT_HANDLE_OUTPUT_FORMAT_RAW )
			{
				request_string = _LIBCSTRING_SYSTEM_STRING( "Target path and filename without extension or - for stdout" );
			}
		}
		if( request_string != NULL )
		{
			do
			{
				result = export_handle_prompt_for_string(
					  ewfexport_export_handle,
					  request_string,
					  &( ewfexport_export_handle->target_filename ),
					  &( ewfexport_export_handle->target_filename_size ),
					  &error );

				if( result == -1 )
				{
					fprintf(
					 stderr,
					 "Unable to determine target.\n" );

					goto on_error;
				}
				else if( result == 0 )
				{
					fprintf(
					 stdout,
					 "Target is required, please try again or terminate using Ctrl^C.\n" );
				}
			}
			while( result != 1 );
		}
		if( ewfexport_export_handle->output_format == EXPORT_HANDLE_OUTPUT_FORMAT_EWF )
		{
			if( option_compression_level == NULL )
			{
				result = export_handle_prompt_for_compression_level(
					  ewfexport_export_handle,
				          _LIBCSTRING_SYSTEM_STRING( "Use compression" ),
					  &error );

				if( result == -1 )
				{
					fprintf(
					 stderr,
					 "Unable to determine compression level.\n" );

					goto on_error;
				}
			}
			if( option_maximum_segment_size == NULL )
			{
				result = export_handle_prompt_for_maximum_segment_size(
					  ewfexport_export_handle,
				          _LIBCSTRING_SYSTEM_STRING( "Evidence segment file size in bytes" ),
					  &error );

				if( result == -1 )
				{
					fprintf(
					 stderr,
					 "Unable to determine maximum segment size.\n" );

					goto on_error;
				}
				if( ( ewfexport_export_handle->maximum_segment_size < EWFCOMMON_MINIMUM_SEGMENT_FILE_SIZE )
				 || ( ( ewfexport_export_handle->ewf_format == LIBEWF_FORMAT_ENCASE6 )
				  &&  ( ewfexport_export_handle->maximum_segment_size >= (uint64_t) EWFCOMMON_MAXIMUM_SEGMENT_FILE_SIZE_64BIT ) )
				 || ( ( ewfexport_export_handle->ewf_format != LIBEWF_FORMAT_ENCASE6 )
				  &&  ( ewfexport_export_handle->maximum_segment_size >= (uint64_t) EWFCOMMON_MAXIMUM_SEGMENT_FILE_SIZE_32BIT ) ) )
				{
					ewfexport_export_handle->maximum_segment_size = EWFCOMMON_DEFAULT_SEGMENT_FILE_SIZE;

					fprintf(
					 stderr,
					 "Unsupported maximum segment size defaulting to: %" PRIu64 ".\n",
					 ewfexport_export_handle->maximum_segment_size );
				}
			}
			if( option_sectors_per_chunk == NULL )
			{
				result = export_handle_prompt_for_sectors_per_chunk(
					  ewfexport_export_handle,
				          _LIBCSTRING_SYSTEM_STRING( "The number of sectors to read at once" ),
					  &error );

				if( result == -1 )
				{
					fprintf(
					 stderr,
					 "Unable to determine sectors per chunk.\n" );

					goto on_error;
				}
			}
		}
		else if( ewfexport_export_handle->output_format == EXPORT_HANDLE_OUTPUT_FORMAT_RAW )
		{
			if( ( ewfexport_export_handle->target_filename != NULL )
			 && ( ( ewfexport_export_handle->target_filename )[ 0 ] == (libcstring_system_character_t) '-' )
			 && ( ( ewfexport_export_handle->target_filename )[ 1 ] == 0 ) )
			{
				/* No need for segment files when exporting to stdout */
			}
			else if( option_maximum_segment_size == NULL )
			{
				result = export_handle_prompt_for_maximum_segment_size(
					  ewfexport_export_handle,
				          _LIBCSTRING_SYSTEM_STRING( "Evidence segment file size in bytes (0 is unlimited)" ),
					  &error );

				if( result == -1 )
				{
					fprintf(
					 stderr,
					 "Unable to determine maximum segment size.\n" );

					goto on_error;
				}
				if( ( ewfexport_export_handle->maximum_segment_size != 0 )
				 && ( ewfexport_export_handle->maximum_segment_size >= (uint64_t) EWFCOMMON_MAXIMUM_SEGMENT_FILE_SIZE_64BIT ) )
				{
					ewfexport_export_handle->maximum_segment_size = EWFCOMMON_DEFAULT_SEGMENT_FILE_SIZE;

					fprintf(
					 stderr,
					 "Unsupported maximum segment size defaulting to: %" PRIu64 ".\n",
					 ewfexport_export_handle->maximum_segment_size );
				}
			}
		}
		if( ( ewfexport_export_handle->output_format == EXPORT_HANDLE_OUTPUT_FORMAT_EWF )
		 || ( ewfexport_export_handle->output_format == EXPORT_HANDLE_OUTPUT_FORMAT_RAW ) )
		{
			if( option_offset == NULL )
			{
				if( ewfinput_get_size_variable(
				     stderr,
				     input_buffer,
				     EWFEXPORT_INPUT_BUFFER_SIZE,
				     _LIBCSTRING_SYSTEM_STRING( "Start export at offset" ),
				     0,
				     media_size,
				     ewfexport_export_handle->export_offset,
				     &( ewfexport_export_handle->export_offset ),
				     &error ) == -1 )
				{
					libsystem_notify_print_error_backtrace(
					 error );
					liberror_error_free(
					 &error );

					ewfexport_export_handle->export_offset = 0;

					fprintf(
					 stderr,
					 "Unable to determine export offset defaulting to: %" PRIu64 ".\n",
					 ewfexport_export_handle->export_offset );
				}
			}
			if( option_size == NULL )
			{
				if( ewfinput_get_size_variable(
				     stderr,
				     input_buffer,
				     EWFEXPORT_INPUT_BUFFER_SIZE,
				     _LIBCSTRING_SYSTEM_STRING( "Number of bytes to export" ),
				     0,
				     media_size - ewfexport_export_handle->export_offset,
				     ewfexport_export_handle->export_size,
				     &( ewfexport_export_handle->export_size ),
				     &error ) == -1 )
				{
					libsystem_notify_print_error_backtrace(
					 error );
					liberror_error_free(
					 &error );

					ewfexport_export_handle->export_size = media_size - ewfexport_export_handle->export_offset;

					fprintf(
					 stderr,
					 "Unable to determine export size defaulting to: %" PRIu64 ".\n",
					 ewfexport_export_handle->export_size );
				}
			}
		}
		if( libsystem_signal_attach(
		     ewfexport_signal_handler,
		     &error ) != 1 )
		{
			fprintf(
			 stderr,
			 "Unable to attach signal handler.\n" );

			libsystem_notify_print_error_backtrace(
			 error );
			liberror_error_free(
			 &error );
		}
	}
	else
	{
		if( ewfexport_export_handle->maximum_segment_size == 0 )
		{
			if( ewfexport_export_handle->output_format == EXPORT_HANDLE_OUTPUT_FORMAT_EWF )
			{
				if( ewfexport_export_handle->ewf_format == LIBEWF_FORMAT_ENCASE6 )
				{
					ewfexport_export_handle->maximum_segment_size = EWFCOMMON_MAXIMUM_SEGMENT_FILE_SIZE_64BIT;
				}
				else
				{
					ewfexport_export_handle->maximum_segment_size = EWFCOMMON_MAXIMUM_SEGMENT_FILE_SIZE_32BIT;
				}
			}
			else if( ewfexport_export_handle->output_format == EXPORT_HANDLE_OUTPUT_FORMAT_RAW )
			{
				ewfexport_export_handle->maximum_segment_size = EWFCOMMON_MAXIMUM_SEGMENT_FILE_SIZE_64BIT;
			}
		}
	}
	fprintf(
	 stderr,
	 "\n" );

	if( log_filename != NULL )
	{
		if( log_handle_initialize(
		     &log_handle,
		     &error ) != 1 )
		{
			fprintf(
			 stderr,
			 "Unable to create log handle.\n" );

			goto on_error;
		}
		if( log_handle_open(
		     log_handle,
		     log_filename,
		     &error ) != 1 )
		{
			fprintf(
			 stderr,
			 "Unable to open log file: %" PRIs_LIBCSTRING_SYSTEM ".\n",
			 log_filename );

			goto on_error;
		}
	}
	if( ewfexport_export_handle->output_format == EXPORT_HANDLE_OUTPUT_FORMAT_FILES )
	{
		result = export_handle_export_single_files(
		          ewfexport_export_handle,
		          ewfexport_export_handle->target_filename,
		          print_status_information,
		          log_handle,
		          &error );

		if( result != 1 )
		{
			fprintf(
			 stderr,
			 "Unable to export single files.\n" );

			libsystem_notify_print_error_backtrace(
			 error );
			liberror_error_free(
			 &error );
		}
	}
	else
	{
		if( export_handle_open_output(
		     ewfexport_export_handle,
		     ewfexport_export_handle->target_filename,
		     &error ) != 1 )
		{
			fprintf(
			 stderr,
			 "Unable to open output.\n" );

			goto on_error;
		}
		if( platform_get_operating_system(
		     acquiry_operating_system,
		     32,
		     &error ) != 1 )
		{
			fprintf(
			 stderr,
			 "Unable to determine operating system.\n" );

			libsystem_notify_print_error_backtrace(
			 error );
			liberror_error_free(
			 &error );

			acquiry_operating_system[ 0 ] = 0;
		}
		acquiry_software_version = _LIBCSTRING_SYSTEM_STRING( LIBEWF_VERSION_STRING );

		if( export_handle_set_output_values(
		     ewfexport_export_handle,
		     acquiry_operating_system,
		     program,
		     acquiry_software_version,
		     zero_chunk_on_error,
		     &error ) != 1 )
		{
			fprintf(
			 stderr,
			 "Unable to set output values.\n" );

			goto on_error;
		}
		result = export_handle_export_input(
		          ewfexport_export_handle,
		          swap_byte_pairs,
		          print_status_information,
		          log_handle,
		          &error );

		if( result != 1 )
		{
			fprintf(
			 stderr,
			 "Unable to export input.\n" );

			libsystem_notify_print_error_backtrace(
			 error );
			liberror_error_free(
			 &error );
		}
	}
	if( log_handle != NULL )
	{
		if( log_handle_close(
		     log_handle,
		     &error ) != 0 )
		{
			fprintf(
			 stderr,
			 "Unable to close log file: %" PRIs_LIBCSTRING_SYSTEM ".\n",
			 log_filename );

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

			goto on_error;
		}
	}
on_abort:
	if( export_handle_close(
	     ewfexport_export_handle,
	     &error ) != 0 )
	{
		fprintf(
		 stderr,
		 "Unable to close export handle.\n" );

		goto on_error;
	}
	if( libsystem_signal_detach(
	     &error ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to detach signal handler.\n" );

		libsystem_notify_print_error_backtrace(
		 error );
		liberror_error_free(
		 &error );
	}
	if( export_handle_free(
	     &ewfexport_export_handle,
	     &error ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to free export handle.\n" );

		goto on_error;
	}
	if( ewfexport_abort != 0 )
	{
		fprintf(
		 stdout,
		 "%" PRIs_LIBCSTRING_SYSTEM ": ABORTED\n",
		 program );

		return( EXIT_FAILURE );
	}
	if( result != 1 )
	{
		fprintf(
		 stdout,
		 "%" PRIs_LIBCSTRING_SYSTEM ": FAILURE\n",
		 program );

		return( EXIT_FAILURE );
	}
	fprintf(
	 stdout,
	 "%" PRIs_LIBCSTRING_SYSTEM ": SUCCESS\n",
	 program );

	return( EXIT_SUCCESS );

on_error:
	if( error != NULL )
	{
		libsystem_notify_print_error_backtrace(
		 error );
		liberror_error_free(
		 &error );
	}
	if( log_handle != NULL )
	{
		log_handle_close(
		 log_handle,
		 NULL );
		log_handle_free(
		 &log_handle,
		 NULL );
	}
	if( ewfexport_export_handle != NULL )
	{
		export_handle_close(
		 ewfexport_export_handle,
		 NULL );
		export_handle_free(
		 &ewfexport_export_handle,
		 NULL );
	}
#if !defined( LIBSYSTEM_HAVE_GLOB )
	if( glob != NULL )
	{
		libsystem_glob_free(
		 &glob,
		 NULL );
	}
#endif
	return( EXIT_FAILURE );
}
Example #25
0
int main( int argc, char * const argv[] )
#endif
{
	libcstring_system_character_t *log_filename          = NULL;
	libcstring_system_character_t *option_ascii_codepage = NULL;
	libcstring_system_character_t *option_export_mode    = NULL;
	libcstring_system_character_t *option_table_name     = NULL;
	libcstring_system_character_t *option_target_path    = NULL;
	libcstring_system_character_t *path_separator        = NULL;
	libcstring_system_character_t *source                = NULL;
	liberror_error_t *error                              = NULL;
	log_handle_t *log_handle                             = NULL;
	char *program                                        = "esedbexport";
	size_t source_length                                 = 0;
	size_t option_table_name_length                      = 0;
	libcstring_system_integer_t option                   = 0;
	int result                                           = 0;
	int verbose                                          = 0;

	libsystem_notify_set_stream(
	 stderr,
	 NULL );
	libsystem_notify_set_verbose(
	 1 );

	if( libsystem_initialize(
             "esedbtools",
             _IONBF,
	     &error ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to initialize system values.\n" );

		libsystem_notify_print_error_backtrace(
		 error );
		liberror_error_free(
		 &error );

		return( EXIT_FAILURE );
	}
	esedboutput_version_fprint(
	 stdout,
	 program );

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

				usage_fprint(
				 stdout );

				return( EXIT_FAILURE );

			case (libcstring_system_integer_t) 'c':
				option_ascii_codepage = optarg;

				break;

			case (libcstring_system_integer_t) 'h':
				usage_fprint(
				 stdout );

				return( EXIT_SUCCESS );

			case (libcstring_system_integer_t) 'l':
				log_filename = optarg;

				break;

			case (libcstring_system_integer_t) 'm':
				option_export_mode = optarg;

				break;

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

				break;

			case (libcstring_system_integer_t) 'T':
				option_table_name = optarg;

				break;

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

				break;

			case (libcstring_system_integer_t) 'V':
				esedboutput_copyright_fprint(
				 stdout );

				return( EXIT_SUCCESS );
		}
	}
	if( optind == argc )
	{
		fprintf(
		 stderr,
		 "Missing source file.\n" );

		usage_fprint(
		 stdout );

		return( EXIT_FAILURE );
	}
	source = argv[ optind ];

	if( option_target_path == NULL )
	{
		source_length = libcstring_system_string_length(
		                 source );

		path_separator = libcstring_system_string_search_character_reverse(
		                  source,
		                  (libcstring_system_character_t) LIBSYSTEM_PATH_SEPARATOR,
		                  source_length );

		if( path_separator == NULL )
		{
			path_separator = source;
		}
		else
		{
			path_separator++;
		}
		option_target_path = path_separator;
	}
	if( option_table_name != NULL )
	{
		option_table_name_length = libcstring_system_string_length(
		                            option_table_name );
	}
	libsystem_notify_set_verbose(
	 verbose );
	libesedb_notify_set_stream(
	 stderr,
	 NULL );
	libesedb_notify_set_verbose(
	 verbose );

	if( log_handle_initialize(
	     &log_handle,
	     &error ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to initialize log handle.\n" );

		goto on_error;
	}
	if( export_handle_initialize(
	     &esedbexport_export_handle,
	     &error ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to initialize export handle.\n" );

		goto on_error;
	}
/* TODO
	esedbexport_export_handle->print_status_information = print_status_information;
*/
	if( option_export_mode != NULL )
	{
		result = export_handle_set_export_mode(
			  esedbexport_export_handle,
			  option_export_mode,
			  &error );

		if( result == -1 )
		{
			fprintf(
			 stderr,
			 "Unable to set export mode.\n" );

			goto on_error;
		}
		else if( result == 0 )
		{
			fprintf(
			 stderr,
			 "Unsupported export mode defaulting to: tables.\n" );
		}
	}
	if( option_ascii_codepage != NULL )
	{
		result = export_handle_set_ascii_codepage(
		          esedbexport_export_handle,
		          option_ascii_codepage,
		          &error );

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

			goto on_error;
		}
		else if( result == 0 )
		{
			fprintf(
			 stderr,
			 "Unsupported ASCII codepage defaulting to: windows-1252.\n" );
		}
	}
	if( export_handle_set_target_path(
	     esedbexport_export_handle,
	     option_target_path,
	     &error ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to set target path.\n" );

		goto on_error;
	}
	result = export_handle_create_items_export_path(
	          esedbexport_export_handle,
	          &error );

	if( result == -1 )
	{
		fprintf(
		 stderr,
		 "Unable to create items export path.\n" );

		goto on_error;
	}
	else if( result == 0 )
	{
		fprintf(
		 stderr,
		 "%" PRIs_LIBCSTRING_SYSTEM " already exists.\n",
		 esedbexport_export_handle->items_export_path );

		goto on_error;
	}
	if( log_handle_open(
	     log_handle,
	     log_filename,
	     &error ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to open log file: %" PRIs_LIBCSTRING_SYSTEM ".\n",
		 log_filename );

		goto on_error;
	}
	fprintf(
	 stdout,
	 "Opening file.\n" );

#ifdef TODO_SIGNAL_ABORT
	if( libsystem_signal_attach(
	     esedbexport_signal_handler,
	     &error ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to attach signal handler.\n" );

		libsystem_notify_print_error_backtrace(
		 error );
		liberror_error_free(
		 &error );
	}
#endif
	if( export_handle_open(
	     esedbexport_export_handle,
	     source,
	     &error ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to open: %" PRIs_LIBCSTRING_SYSTEM ".\n",
		 source );

		goto on_error;
	}
/* TODO
	fprintf(
	 stdout,
	 "Exporting aliases.\n" );
*/
	result = export_handle_export_file(
	          esedbexport_export_handle,
	          option_table_name,
	          option_table_name_length,
	          log_handle,
	          &error );

	if( result == -1 )
	{
		fprintf(
		 stderr,
		 "Unable to export file.\n" );

		goto on_error;
	}
#ifdef TODO_SIGNAL_ABORT
	if( libsystem_signal_detach(
	     &error ) != 1 )
	{
		fprintf(
		 stderr,
		 "Unable to detach signal handler.\n" );

		libsystem_notify_print_error_backtrace(
		 error );
		liberror_error_free(
		 &error );
	}
#endif
	if( export_handle_close(
	     esedbexport_export_handle,
	     &error ) != 0 )
	{
		fprintf(
		 stderr,
		 "Unable to close export handle.\n" );

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

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

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

		goto on_error;
	}
	if( esedbexport_abort != 0 )
	{
		fprintf(
		 stdout,
		 "Export aborted.\n" );

		return( EXIT_FAILURE );
	}
/* TODO export FAILED ? */
	fprintf(
	 stdout,
	 "Export completed.\n" );

	return( EXIT_SUCCESS );

on_error:
	if( error != NULL )
	{
		libsystem_notify_print_error_backtrace(
		 error );
		liberror_error_free(
		 &error );
	}
	if( esedbexport_export_handle != NULL )
	{
		export_handle_free(
		 &esedbexport_export_handle,
		 NULL );
	}
	if( log_handle != NULL )
	{
		log_handle_free(
		 &log_handle,
		 NULL );
	}
	return( EXIT_FAILURE );
}