get_local_ip,
get_random_high_port,
)
try:
from StringIO import StringIO
except ImportError:
from io import StringIO
DTLS_VERSIONS = {
# DTLS
0xFEFF: "DTLS_1_0",
0xFEFD: "DTLS_1_1",
}
ENUM_DTLS_VERSIONS = EnumStruct(DTLS_VERSIONS)
DTLS_COMPRESSION_METHODS = registry.TLS_COMPRESSION_METHOD_IDENTIFIERS
DTLS_CIPHER_SUITES = TLS_CIPHER_SUITES
class DTLSHandshakes(TLSDecryptablePacket):
""" Representation of DTLS Handshake """
name = "DTLS Handshakes"
fields_desc = [PacketListFieldContext("handshakes", None, DTLSHandshake)]
class DTLS(Packet):
"""Representation of DTLS message"""
name = "DTLS"
from .common_utils import print_verbose, Protocol, show_verbose
from .cotopaxi_tester import CotopaxiTester
from .dtls_utils import (
ENUM_DTLS_VERSIONS,
DTLS,
DTLSClient,
DTLSServerHello,
DTLS_VERSIONS,
DTLS_CIPHER_SUITES,
DTLSHandshakes,
DTLS_COMPRESSION_METHODS,
)
from .service_ping import service_ping
TLS_HANDSHAKE_TYPES.update({0x3: "hello_verify_request"})
ENUM_DTLS_HANDSHAKE_TYPES = EnumStruct(TLS_HANDSHAKE_TYPES)
# bind records
bind_layers(DTLSRecord, TLSChangeCipherSpec,
{"content_type": TLSContentType.CHANGE_CIPHER_SPEC})
bind_layers(DTLSRecord, TLSCiphertext,
{"content_type": TLSContentType.APPLICATION_DATA})
bind_layers(DTLSRecord, TLSHeartBeat,
{"content_type": TLSContentType.HEARTBEAT})
bind_layers(DTLSRecord, TLSAlert, {"content_type": TLSContentType.ALERT})
bind_layers(DTLSRecord, DTLSHandshake,
{"content_type": TLSContentType.HANDSHAKE})
# bind handshakes
bind_layers(DTLSHandshake, DTLSClientHello,
{"type": TLSHandshakeType.CLIENT_HELLO})