def main(): import argparse, sys arguments = argparse.ArgumentParser() arguments.add_argument('--file', '-f', required=True) arguments.add_argument('--output', '-o', default='__types') options = arguments.parse_args(sys.argv[1:]) output = p.abspath(options.output) if not p.exists(output): os.makedirs(output) MONO_BEHAVIOUR_PERSISTENT_ID = 114 stream = FileStream(file_path=options.file) stream.endian = '<' while stream.bytes_available: persistent_id = stream.read_uint32() script_hash = b'0' * 16 if persistent_id == MONO_BEHAVIOUR_PERSISTENT_ID: script_hash = stream.read(16) type_hash = stream.read(16) size = stream.read_uint32() offset = stream.position print(persistent_id, uuid.UUID(bytes=script_hash), uuid.UUID(bytes=type_hash), size) type_tree = MetadataTypeTree(True) type_tree.persistent_type_id = persistent_id type_tree.type_hash = type_hash type_tree.mono_hash = script_hash type_tree.decode_type_tree(fs=stream) print(type_tree) assert stream.position == offset + size
def main(): arguments = argparse.ArgumentParser() arguments.add_argument('--file', '-f', nargs='+', required=True) arguments.add_argument('--command', '-c', choices=Commands.get_option_choices(), default=Commands.dump) arguments.add_argument('--debug', '-d', action='store_true') arguments.add_argument('--types', '-t', nargs='+', type=int) arguments.add_argument('--dump-mono-scripts', '-dms', action='store_true') options = arguments.parse_args(sys.argv[1:]) if options.dump_mono_scripts: mono_script_keys = list(mono_scripts.keys()) mono_script_keys.sort() for identifier in mono_script_keys: class_name, namespace, assembly = [ b2s(x) for x in mono_scripts.get(identifier) ] print('\033[36m{} \033[33m{}::\033[4m{}\033[0m \033[2m{}\033[0m'. format(identifier, namespace if namespace else 'global', class_name, assembly)) for file_path in options.file: print('>>>', file_path) archive = UnityArchiveFile(debug=options.debug) try: stream = archive.decode(file_path=file_path) node = archive.direcory_info.nodes[0] except: stream = FileStream(file_path=file_path) node = FileNode() node.size = stream.length if archive.direcory_info.nodes: for node in archive.direcory_info.nodes: if node.flags == NodeFlags.SerializedFile: print('[+] {} {:,}'.format(node.path, node.size)) stream.endian = '>' serializer = serialize.SerializedFile(debug=options.debug, node=node) serializer.decode(stream) collect_mono_scripts(serializer, stream) processs(parameters=locals()) else: serializer = serialize.SerializedFile(debug=options.debug, node=node) serializer.decode(stream) collect_mono_scripts(serializer, stream) processs(parameters=locals())
def decode(self, fs: FileStream): offset = fs.position self.persistent_type_id = fs.read_sint32() self.is_stripped = fs.read_boolean() self.script_index = fs.read_sint16() if self.persistent_type_id == MONO_BEHAVIOUR_PERSISTENT_ID: self.mono_hash = fs.read(16) self.type_hash = fs.read(16) self.nodes = [] self.strings = {} if self.type_tree_enabled: self.decode_type_tree(fs) else: cache_path = self.get_cache_path() if p.exists(cache_path): tmp = FileStream(file_path=cache_path) tmp.endian = '<' persistent_type_id = tmp.read_sint32() assert persistent_type_id == self.persistent_type_id, '{} != {}'.format( persistent_type_id, self.persistent_type_id) tmp.seek(fs.position - offset) self.decode_type_tree(fs=tmp)
def decode(self, fs: FileStream): fs.seek(self.node.offset) header = self.header header.metadata_size = fs.read_sint32() header.file_size = fs.read_sint32() assert self.node.size == header.file_size, '{} != {}'.format( self.node.size, header.file_size) header.version = fs.read_sint32() header.data_offset = fs.read_sint32() header.endianess = fs.read_boolean() fs.read(3) # reserved bytes fs.endian = '>' if header.endianess else '<' self.print(vars(header)) self.version = fs.read_string() self.platform = fs.read_uint32() self.type_tree_enabled = fs.read_boolean() self.print('version={} platform={} type_tree_enabled={}'.format( self.version, self.platform, self.type_tree_enabled)) self.type_trees = [] type_count = fs.read_uint32() self.print('type', type_count) for _ in range(type_count): offset = fs.position type_tree = MetadataTypeTree( type_tree_enabled=self.type_tree_enabled) type_tree.decode(fs) if self.type_tree_enabled: position = fs.position fs.seek(offset) type_data = fs.read(position - offset) with open(type_tree.get_cache_path(auto_create=True), 'wb') as fp: fp.write(type_data) self.type_trees.append(type_tree) self.register_type_tree(type_tree=type_tree) self.print(type_tree) object_count = fs.read_sint32() self.print('object', object_count) for _ in range(object_count): fs.align(4) obj = ObjectInfo() obj.decode(fs) type_tree = self.type_trees[obj.type_id] obj.name = type_tree.name self.objects.append(obj) self.print(vars(obj)) script_type_count = fs.read_sint32() self.print('typeinfo', script_type_count) for _ in range(script_type_count): st = ScriptTypeInfo() st.decode(fs) self.typeinfos.append(st) self.print(vars(st)) external_count = fs.read_sint32() self.print('external', external_count) for _ in range(external_count): ext = ExternalInfo() ext.decode(fs) self.externals.append(ext) self.print(ext) fs.read_string()