raknet, mcpe: Improve dissectors

packet-raknet.c now correctly dissects the following offline messages:
* ID_UNCONNECTED_PING
* ID_UNCONNECTED_PING_OPEN_CONNECTIONS
* ID_OPEN_CONNECTION_REQUEST_1
* ID_OPEN_CONNECTION_REPLY_1
* ID_OPEN_CONNECTION_REQUEST_2
* ID_OPEN_CONNECTION_REPLY_2
* ID_OUT_OF_BAND_INTERNAL
* ID_CONNECTION_ATTEMPT_FAILED
* ID_ALREADY_CONNECTED
* ID_NO_FREE_INCOMING_CONNECTIONS
* ID_CONNECTION_BANNED
* ID_INCOMPATIBLE_PROTOCOL_VERSION
* ID_IP_RECENTLY_CONNECTED
* ID_UNCONNECTED_PONG

packet-raknet.c now correctly dissects the following system messages:
* ID_CONNECTED_PING
* ID_CONNECTED_PONG
* ID_CONNECTION_REQUEST
* ID_CONNECTION_REQUEST_ACCEPTED
* ID_NEW_INCOMING_CONNECTION

packet-raknet.h exports the following functions:
* raknet_add_udp_dissector()
* raknet_delete_udp_dissector()
* raknet_conversation_set_dissector()

packet-raknet.c now dissects message flags, reliability, reliable message number and so on. It now reassembles fragmented packets, supports heuristics, supports dissecting combined packets, and gives up dissecting messages when they are encrypted.

packet-raknet.c now calls subdissectors with a tvbuff buffer only having a message ID and payload. It first tries to locate a subdissector based on the port, and then tries heuristic dissectors if any.

packet-mcpe.c is updated so that it uses the new raknet interface, and it now correctly dissects the following game packets:
* 0x01 Login
* 0x03 Server to Client Handshake
* 0x06 Batch

packet-mcpe.c now supports heuristics, and gives up dissecting packets in a conversation once it sees a "Server to Client Handshake" packet because everything, including packet ID, are encrypted after that.

Change-Id: I92c0b3ff0f18d22d4513bb014aeb4ea6475fb06c
Reviewed-on: https://code.wireshark.org/review/18044
Petri-Dish: Alexis La Goutte <alexis.lagoutte@gmail.com>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Anders Broman <a.broman58@gmail.com>

0 files changed, 0 insertions, 0 deletions