## This file is part of Scapy
## See http://www.secdev.org/projects/scapy for more informations
## Copyright (C) Philippe Biondi <phil@secdev.org>
## This program is published under a GPLv2 license

"""
Cisco Skinny protocol.
"""

from scapy.packet import *
from scapy.fields import *
from scapy.layers.inet import TCP

# shamelessly ripped from Ethereal dissector
skinny_messages = { 
# Station -> Callmanager
  0x0000: "KeepAliveMessage",
  0x0001: "RegisterMessage",
  0x0002: "IpPortMessage",
  0x0003: "KeypadButtonMessage",
  0x0004: "EnblocCallMessage",
  0x0005: "StimulusMessage",
  0x0006: "OffHookMessage",
  0x0007: "OnHookMessage",
  0x0008: "HookFlashMessage",
  0x0009: "ForwardStatReqMessage",
  0x000A: "SpeedDialStatReqMessage",
  0x000B: "LineStatReqMessage",
  0x000C: "ConfigStatReqMessage",
  0x000D: "TimeDateReqMessage",
  0x000E: "ButtonTemplateReqMessage",
  0x000F: "VersionReqMessage",
  0x0010: "CapabilitiesResMessage",
  0x0011: "MediaPortListMessage",
  0x0012: "ServerReqMessage",
  0x0020: "AlarmMessage",
  0x0021: "MulticastMediaReceptionAck",
  0x0022: "OpenReceiveChannelAck",
  0x0023: "ConnectionStatisticsRes",
  0x0024: "OffHookWithCgpnMessage",
  0x0025: "SoftKeySetReqMessage",
  0x0026: "SoftKeyEventMessage",
  0x0027: "UnregisterMessage",
  0x0028: "SoftKeyTemplateReqMessage",
  0x0029: "RegisterTokenReq",
  0x002A: "MediaTransmissionFailure",
  0x002B: "HeadsetStatusMessage",
  0x002C: "MediaResourceNotification",
  0x002D: "RegisterAvailableLinesMessage",
  0x002E: "DeviceToUserDataMessage",
  0x002F: "DeviceToUserDataResponseMessage",
  0x0030: "UpdateCapabilitiesMessage",
  0x0031: "OpenMultiMediaReceiveChannelAckMessage",
  0x0032: "ClearConferenceMessage",
  0x0033: "ServiceURLStatReqMessage",
  0x0034: "FeatureStatReqMessage",
  0x0035: "CreateConferenceResMessage",
  0x0036: "DeleteConferenceResMessage",
  0x0037: "ModifyConferenceResMessage",
  0x0038: "AddParticipantResMessage",
  0x0039: "AuditConferenceResMessage",
  0x0040: "AuditParticipantResMessage",
  0x0041: "DeviceToUserDataVersion1Message",
# Callmanager -> Station */
  0x0081: "RegisterAckMessage",
  0x0082: "StartToneMessage",
  0x0083: "StopToneMessage",
  0x0085: "SetRingerMessage",
  0x0086: "SetLampMessage",
  0x0087: "SetHkFDetectMessage",
  0x0088: "SetSpeakerModeMessage",
  0x0089: "SetMicroModeMessage",
  0x008A: "StartMediaTransmission",
  0x008B: "StopMediaTransmission",
  0x008C: "StartMediaReception",
  0x008D: "StopMediaReception",
  0x008F: "CallInfoMessage",
  0x0090: "ForwardStatMessage",
  0x0091: "SpeedDialStatMessage",
  0x0092: "LineStatMessage",
  0x0093: "ConfigStatMessage",
  0x0094: "DefineTimeDate",
  0x0095: "StartSessionTransmission",
  0x0096: "StopSessionTransmission",
  0x0097: "ButtonTemplateMessage",
  0x0098: "VersionMessage",
  0x0099: "DisplayTextMessage",
  0x009A: "ClearDisplay",
  0x009B: "CapabilitiesReqMessage",
  0x009C: "EnunciatorCommandMessage",
  0x009D: "RegisterRejectMessage",
  0x009E: "ServerResMessage",
  0x009F: "Reset",
  0x0100: "KeepAliveAckMessage",
  0x0101: "StartMulticastMediaReception",
  0x0102: "StartMulticastMediaTransmission",
  0x0103: "StopMulticastMediaReception",
  0x0104: "StopMulticastMediaTransmission",
  0x0105: "OpenReceiveChannel",
  0x0106: "CloseReceiveChannel",
  0x0107: "ConnectionStatisticsReq",
  0x0108: "SoftKeyTemplateResMessage",
  0x0109: "SoftKeySetResMessage",
  0x0110: "SelectSoftKeysMessage",
  0x0111: "CallStateMessage",
  0x0112: "DisplayPromptStatusMessage",
  0x0113: "ClearPromptStatusMessage",
  0x0114: "DisplayNotifyMessage",
  0x0115: "ClearNotifyMessage",
  0x0116: "ActivateCallPlaneMessage",
  0x0117: "DeactivateCallPlaneMessage",
  0x0118: "UnregisterAckMessage",
  0x0119: "BackSpaceReqMessage",
  0x011A: "RegisterTokenAck",
  0x011B: "RegisterTokenReject",
  0x0042: "DeviceToUserDataResponseVersion1Message",
  0x011C: "StartMediaFailureDetection",
  0x011D: "DialedNumberMessage",
  0x011E: "UserToDeviceDataMessage",
  0x011F: "FeatureStatMessage",
  0x0120: "DisplayPriNotifyMessage",
  0x0121: "ClearPriNotifyMessage",
  0x0122: "StartAnnouncementMessage",
  0x0123: "StopAnnouncementMessage",
  0x0124: "AnnouncementFinishMessage",
  0x0127: "NotifyDtmfToneMessage",
  0x0128: "SendDtmfToneMessage",
  0x0129: "SubscribeDtmfPayloadReqMessage",
  0x012A: "SubscribeDtmfPayloadResMessage",
  0x012B: "SubscribeDtmfPayloadErrMessage",
  0x012C: "UnSubscribeDtmfPayloadReqMessage",
  0x012D: "UnSubscribeDtmfPayloadResMessage",
  0x012E: "UnSubscribeDtmfPayloadErrMessage",
  0x012F: "ServiceURLStatMessage",
  0x0130: "CallSelectStatMessage",
  0x0131: "OpenMultiMediaChannelMessage",
  0x0132: "StartMultiMediaTransmission",
  0x0133: "StopMultiMediaTransmission",
  0x0134: "MiscellaneousCommandMessage",
  0x0135: "FlowControlCommandMessage",
  0x0136: "CloseMultiMediaReceiveChannel",
  0x0137: "CreateConferenceReqMessage",
  0x0138: "DeleteConferenceReqMessage",
  0x0139: "ModifyConferenceReqMessage",
  0x013A: "AddParticipantReqMessage",
  0x013B: "DropParticipantReqMessage",
  0x013C: "AuditConferenceReqMessage",
  0x013D: "AuditParticipantReqMessage",
  0x013F: "UserToDeviceDataVersion1Message",
  }


        
class Skinny(Packet):
    name="Skinny"
    fields_desc = [ LEIntField("len",0),
                    LEIntField("res",0),
                    LEIntEnumField("msg",0,skinny_messages) ]

bind_layers( TCP,           Skinny,        dport=2000)
bind_layers( TCP,           Skinny,        sport=2000)
