# This is a generated file! Please edit source .ksy file and use kaitai-struct-compiler to rebuild import kaitaistruct from kaitaistruct import KaitaiStruct, KaitaiStream, BytesIO if getattr(kaitaistruct, 'API_VERSION', (0, 9)) < (0, 9): raise Exception("Incompatible Kaitai Struct Python API: 0.9 or later is required, but you have %s" % (kaitaistruct.__version__)) class DtlsClientHello(KaitaiStruct): def __init__(self, _io, _parent=None, _root=None): self._io = _io self._parent = _parent self._root = _root if _root else self self._read() def _read(self): self.version = DtlsClientHello.Version(self._io, self, self._root) self.random = DtlsClientHello.Random(self._io, self, self._root) self.session_id = DtlsClientHello.SessionId(self._io, self, self._root) self.cookie = DtlsClientHello.Cookie(self._io, self, self._root) self.cipher_suites = DtlsClientHello.CipherSuites(self._io, self, self._root) self.compression_methods = DtlsClientHello.CompressionMethods(self._io, self, self._root) if self._io.is_eof() == False: self.extensions = DtlsClientHello.Extensions(self._io, self, self._root) class ServerName(KaitaiStruct): def __init__(self, _io, _parent=None, _root=None): self._io = _io self._parent = _parent self._root = _root if _root else self self._read() def _read(self): self.name_type = self._io.read_u1() self.length = self._io.read_u2be() self.host_name = self._io.read_bytes(self.length) class Random(KaitaiStruct): def __init__(self, _io, _parent=None, _root=None): self._io = _io self._parent = _parent self._root = _root if _root else self self._read() def _read(self): self.gmt_unix_time = self._io.read_u4be() self.random = self._io.read_bytes(28) class SessionId(KaitaiStruct): def __init__(self, _io, _parent=None, _root=None): self._io = _io self._parent = _parent self._root = _root if _root else self self._read() def _read(self): self.len = self._io.read_u1() self.sid = self._io.read_bytes(self.len) class Sni(KaitaiStruct): def __init__(self, _io, _parent=None, _root=None): self._io = _io self._parent = _parent self._root = _root if _root else self self._read() def _read(self): self.list_length = self._io.read_u2be() self.server_names = [] i = 0 while not self._io.is_eof(): self.server_names.append(DtlsClientHello.ServerName(self._io, self, self._root)) i += 1 class CipherSuites(KaitaiStruct): def __init__(self, _io, _parent=None, _root=None): self._io = _io self._parent = _parent self._root = _root if _root else self self._read() def _read(self): self.len = self._io.read_u2be() self.cipher_suites = [] for i in range(self.len // 2): self.cipher_suites.append(self._io.read_u2be()) class CompressionMethods(KaitaiStruct): def __init__(self, _io, _parent=None, _root=None): self._io = _io self._parent = _parent self._root = _root if _root else self self._read() def _read(self): self.len = self._io.read_u1() self.compression_methods = self._io.read_bytes(self.len) class Alpn(KaitaiStruct): def __init__(self, _io, _parent=None, _root=None): self._io = _io self._parent = _parent self._root = _root if _root else self self._read() def _read(self): self.ext_len = self._io.read_u2be() self.alpn_protocols = [] i = 0 while not self._io.is_eof(): self.alpn_protocols.append(DtlsClientHello.Protocol(self._io, self, self._root)) i += 1 class Extensions(KaitaiStruct): def __init__(self, _io, _parent=None, _root=None): self._io = _io self._parent = _parent self._root = _root if _root else self self._read() def _read(self): self.len = self._io.read_u2be() self.extensions = [] i = 0 while not self._io.is_eof(): self.extensions.append(DtlsClientHello.Extension(self._io, self, self._root)) i += 1 class Version(KaitaiStruct): def __init__(self, _io, _parent=None, _root=None): self._io = _io self._parent = _parent self._root = _root if _root else self self._read() def _read(self): self.major = self._io.read_u1() self.minor = self._io.read_u1() class Cookie(KaitaiStruct): def __init__(self, _io, _parent=None, _root=None): self._io = _io self._parent = _parent self._root = _root if _root else self self._read() def _read(self): self.len = self._io.read_u1() self.cookie = self._io.read_bytes(self.len) class Protocol(KaitaiStruct): def __init__(self, _io, _parent=None, _root=None): self._io = _io self._parent = _parent self._root = _root if _root else self self._read() def _read(self): self.strlen = self._io.read_u1() self.name = self._io.read_bytes(self.strlen) class Extension(KaitaiStruct): def __init__(self, _io, _parent=None, _root=None): self._io = _io self._parent = _parent self._root = _root if _root else self self._read() def _read(self): self.type = self._io.read_u2be() self.len = self._io.read_u2be() _on = self.type if _on == 0: self._raw_body = self._io.read_bytes(self.len) _io__raw_body = KaitaiStream(BytesIO(self._raw_body)) self.body = DtlsClientHello.Sni(_io__raw_body, self, self._root) elif _on == 16: self._raw_body = self._io.read_bytes(self.len) _io__raw_body = KaitaiStream(BytesIO(self._raw_body)) self.body = DtlsClientHello.Alpn(_io__raw_body, self, self._root) else: self.body = self._io.read_bytes(self.len)