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pycrate/pycrate_mobile/TS24501_FGSM.py

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# -*- coding: UTF-8 -*-
#/**
# * Software Name : pycrate
# * Version : 0.4
# *
# * Copyright 2019. Benoit Michau. P1Sec.
# *
# * This library is free software; you can redistribute it and/or
# * modify it under the terms of the GNU Lesser General Public
# * License as published by the Free Software Foundation; either
# * version 2.1 of the License, or (at your option) any later version.
# *
# * This library is distributed in the hope that it will be useful,
# * but WITHOUT ANY WARRANTY; without even the implied warranty of
# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# * Lesser General Public License for more details.
# *
# * You should have received a copy of the GNU Lesser General Public
# * License along with this library; if not, write to the Free Software
# * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# * MA 02110-1301 USA
# *
# *--------------------------------------------------------
# * File Name : pycrate_mobile/TS24501_FGSM.py
# * Created : 2019-11-08
# * Authors : Benoit Michau
# *--------------------------------------------------------
#*/
#__all__ = [
# ]
#------------------------------------------------------------------------------#
# 3GPP TS 24.501: NAS protocol for 5G
# release 16 (g20)
#------------------------------------------------------------------------------#
from pycrate_core.utils import *
from pycrate_core.elt import *
from pycrate_core.base import *
from .TS24007 import *
from .TS24008_IE import (
ProtConfig, GPRSTimer,
)
from .TS24301_IE import (
HdrCompConfig as IPHdrCompConfig, ServingPLMNRateCtrl,
)
from .TS24501_IE import *
from .TS24193_ATSSS import *
#------------------------------------------------------------------------------#
# 5GS Session Management header
# TS 24.501, section 9
#------------------------------------------------------------------------------#
# section 9.7
_FGSM_dict = {
#
193 : "PDU session establishment request",
194 : "PDU session establishment accept",
195 : "PDU session establishment reject",
#
197 : "PDU session authentication command",
198 : "PDU session authentication complete",
199 : "PDU session authentication result",
#
201 : "PDU session modification request",
202 : "PDU session modification reject",
203 : "PDU session modification command",
204 : "PDU session modification complete",
205 : "PDU session modification command reject",
#
209 : "PDU session release request",
210 : "PDU session release reject",
211 : "PDU session release command",
212 : "PDU session release complete",
#
214 : "5GSM status"
}
class FGSMHeader(Envelope):
_name = '5GSMHeader'
_GEN = (
Uint8('EPD', val=46, dic=ProtDisc_dict),
PDUSessID(),
Uint8('PTI'),
Uint8('Type', val=214, dic=_FGSM_dict)
)
#------------------------------------------------------------------------------#
# PDU session establishment request
# TS 24.501, section 8.3.1
#------------------------------------------------------------------------------#
class FGSMPDUSessionEstabRequest(Layer3E):
_name = '5GSMPDUSessionEstabRequest'
_GEN = (
FGSMHeader(val={'Type':193}),
Type3V('IntegrityProtMaxDataRate', val={'V':b'\0\0'}, bl={'V':16}, IE=IntegrityProtMaxDataRate()),
Type1TV('PDUSessType', val={'T':0x9, 'V':1}, IE=PDUSessType()),
Type1TV('SSCMode', val={'T':0xA, 'V':1}, IE=SSCMode()),
Type4TLV('5GSMCap', val={'T':0x28, 'V':b'\0'}, IE=FGSMCap()),
Type3TV('MaxPktFilters', val={'T':0x55, 'V':b'\x02\x20'}, bl={'V':16}, IE=MaxPktFilters()),
Type1TV('AlwaysOnPDUSessReq', val={'T':0xB, 'V':0}, IE=AlwaysOnPDUSessReq()),
Type4TLV('SMPDUDNReqContainer', val={'T':0x39, 'V':b'\0'}, IE=SMPDUDNReqContainer()),
Type6TLVE('ExtProtConfig', val={'T':0x7B, 'V':b'\0'}, IE=ProtConfig()),
Type4TLV('IPHdrCompConfig', val={'T':0x66, 'V':b'\0\0\0'}, IE=IPHdrCompConfig()),
Type4TLV('DSTTEthernetMAC', val={'T':0x6E, 'V':6*b'\0'}),
Type4TLV('UEDSTTResidenceTime', val={'T':0x6F, 'V':8*b'\0'}),
Type6TLVE('PortMgmtInfoContainer', val={'T':0x7C, 'V':b'\0'}), # see TS 24.519
Type4TLV('EthHdrCompConfig', val={'T':0x1F, 'V':b'\0'}, IE=EthHdrCompConfig())
)
#------------------------------------------------------------------------------#
# PDU session establishment accept
# TS 24.501, section 8.3.2
#------------------------------------------------------------------------------#
class FGSMPDUSessionEstabAccept(Layer3E):
_name = '5GSMPDUSessionEstabAccept'
_GEN = (
FGSMHeader(val={'Type':194}),
Type1V('SSCMode', val={'V':1}, IE=SSCMode()),
Type1V('PDUSessType', val={'V':1}, IE=PDUSessType()),
Type6LVE('QoSRules', val={'V':b'\0\0\0\0'}, IE=QoSRules()),
Type4LV('SessAMBR', val={'V':b'\x06\0\x01\x06\0\x01'}, IE=SessAMBR()),
Type3TV('5GSMCause', val={'T':0x59, 'V':b'\x1a'}, bl={'V':8}, IE=FGSMCause()),
Type4TLV('PDUAddress', val={'T':0x29, 'V':b'\x01\x7f\0\0\x01'}, IE=PDUAddress()),
Type3TV('RQTimer', val={'T':0x56, 'V':b'\0'}, bl={'V':8}, IE=GPRSTimer()),
Type4TLV('SNSSAI', val={'T':0x22, 'V':b'\0'}, IE=SNSSAI()),
Type1TV('AlwaysOnPDUSessInd', val={'T':0x8, 'V':0}, IE=AlwaysOnPDUSessInd()),
Type6TLVE('MappedEPSBearerCtxt', val={'T':0x75, 'V':b'\0\0\0\0'}, IE=MappedEPSBearerCtxt()),
Type6TLVE('EAPMsg', val={'T':0x78, 'V':b'\0\0\0\0\0'}),
Type6TLVE('QoSFlowDesc', val={'T':0x79, 'V':b'\0\0\0'}, IE=QoSFlowDesc()),
Type6TLVE('ExtProtConfig', val={'T':0x7B, 'V':b'\0'}, IE=ProtConfig()),
Type4TLV('DNN', val={'T':0x25, 'V':b'\0'}, IE=APN('DNN')),
Type4TLV('5GSMNetFeat', val={'T':0x17, 'V':b'\0'}, IE=FGSMNetFeat()),
Type4TLV('ServingPLMNRateCtrl', val={'T':0x18, 'V':b'\0\0'}, IE=ServingPLMNRateCtrl()),
Type6TLVE('ATSSSContainer', val={'T':0x77, 'V':b''}, IE=ATSSSParams()),
Type1TV('CtrlPlaneOnlyInd', val={'T':0xC, 'V':1}, IE=CtrlPlaneOnlyInd()),
Type4TLV('IPHdrCompConfig', val={'T':0x66, 'V':b'\0\0\0'}, IE=IPHdrCompConfig()),
Type4TLV('EthHdrCompConfig', val={'T':0x1F, 'V':b'\0'}, IE=EthHdrCompConfig())
)
#------------------------------------------------------------------------------#
# PDU session establishment reject
# TS 24.501, section 8.3.3
#------------------------------------------------------------------------------#
class FGSMPDUSessionEstabReject(Layer3E):
_name = '5GSMPDUSessionEstabReject'
_GEN = (
FGSMHeader(val={'Type':195}),
Type3V('5GSMCause', val={'V':b'\x1a'}, bl={'V':8}, IE=FGSMCause()),
Type4TLV('BackOffTimer', val={'T':0x37, 'V':b'\0'}, IE=GPRSTimer3()),
Type1TV('AllowedSSCMode', val={'T':0xF, 'V':0}, IE=AllowedSSCMode()),
Type6TLVE('EAPMsg', val={'T':0x78, 'V':b'\0\0\0\0\0'}),
Type6TLVE('ExtProtConfig', val={'T':0x7B, 'V':b'\0'}, IE=ProtConfig()),
Type4TLV('ReattemptInd', val={'V':0x1D, 'V':b'\0'}, IE=ReattemptInd()),
Type4TLV('CongestReattemptInd', val={'T':0x61, 'V':b'\0'}, IE=CongestReattemptInd())
)
#------------------------------------------------------------------------------#
# PDU session authentication command
# TS 24.501, section 8.3.4
#------------------------------------------------------------------------------#
class FGSMPDUSessionAuthentCommand(Layer3E):
_name = '5GSMPDUSessionAuthentCommand'
_GEN = (
FGSMHeader(val={'Type':197}),
Type6LVE('EAPMsg', val={'V':b'\0\0\0\0\0'}),
Type6TLVE('ExtProtConfig', val={'T':0x7B, 'V':b'\0'}, IE=ProtConfig())
)
#------------------------------------------------------------------------------#
# PDU session authentication complete
# TS 24.501, section 8.3.5
#------------------------------------------------------------------------------#
class FGSMPDUSessionAuthentComplete(Layer3E):
_name = '5GSMPDUSessionAuthentComplete'
_GEN = (
FGSMHeader(val={'Type':198}),
Type6LVE('EAPMsg', val={'V':b'\0\0\0\0\0'}),
Type6TLVE('ExtProtConfig', val={'T':0x7B, 'V':b'\0'}, IE=ProtConfig())
)
#------------------------------------------------------------------------------#
# PDU session authentication result
# TS 24.501, section 8.3.6
#------------------------------------------------------------------------------#
class FGSMPDUSessionAuthentResult(Layer3E):
_name = '5GSMPDUSessionAuthentResult'
_GEN = (
FGSMHeader(val={'Type':199}),
Type6TLVE('EAPMsg', val={'T':0x78, 'V':b'\0\0\0\0\0'}),
Type6TLVE('ExtProtConfig', val={'T':0x7B, 'V':b'\0'}, IE=ProtConfig())
)
#------------------------------------------------------------------------------#
# PDU session modification request
# TS 24.501, section 8.3.7
#------------------------------------------------------------------------------#
class FGSMPDUSessionModifRequest(Layer3E):
_name = '5GSMPDUSessionModifRequest'
_GEN = (
FGSMHeader(val={'Type':201}),
Type4TLV('5GSMCap', val={'T':0x28, 'V':b'\0'}, IE=FGSMCap()),
Type3TV('5GSMCause', val={'T':0x59, 'V':b'\x1a'}, bl={'V':8}, IE=FGSMCause()),
Type3TV('MaxPktFilters', val={'T':0x55, 'V':b'\x02\x20'}, bl={'V':16}, IE=MaxPktFilters()),
Type1TV('AlwaysOnPDUSessReq', val={'T':0xB, 'V':0}, IE=AlwaysOnPDUSessReq()),
Type3TV('IntegrityProtMaxDataRate', val={'T':0x13, 'V':b'\0\0'}, bl={'V':16}, IE=IntegrityProtMaxDataRate()),
Type6TLVE('QoSRules', val={'T':0x7A, 'V':b'\0\0\0\0'}, IE=QoSRules()),
Type6TLVE('QoSFlowDesc', val={'T':0x79, 'V':b'\0\0\0'}, IE=QoSFlowDesc()),
Type6TLVE('MappedEPSBearerCtxt', val={'T':0x75, 'V':b'\0\0\0\0'}, IE=MappedEPSBearerCtxt()),
Type6TLVE('ExtProtConfig', val={'T':0x7B, 'V':b'\0'}, IE=ProtConfig()),
Type6TLVE('PortMgmtInfoContainer', val={'T':0x7C, 'V':b''}), # see TS 24.519
Type4TLV('IPHdrCompConfig', val={'T':0x66, 'V':b'\0\0\0'}, IE=IPHdrCompConfig()),
Type4TLV('EthHdrCompConfig', val={'T':0x1F, 'V':b'\0'}, IE=EthHdrCompConfig())
)
#------------------------------------------------------------------------------#
# PDU session modification reject
# TS 24.501, section 8.3.8
#------------------------------------------------------------------------------#
class FGSMPDUSessionModifReject(Layer3E):
_name = '5GSMPDUSessionModifReject'
_GEN = (
FGSMHeader(val={'Type':202}),
Type3V('5GSMCause', val={'V':b'\x1a'}, bl={'V':8}, IE=FGSMCause()),
Type4TLV('BackOffTimer', val={'T':0x37, 'V':b'\0'}, IE=GPRSTimer3()),
Type6TLVE('ExtProtConfig', val={'T':0x7B, 'V':b'\0'}, IE=ProtConfig()),
Type4TLV('ReattemptInd', val={'V':0x1D, 'V':b'\0'}, IE=ReattemptInd()),
Type4TLV('CongestReattemptInd', val={'T':0x61, 'V':b'\0'}, IE=CongestReattemptInd())
)
#------------------------------------------------------------------------------#
# PDU session modification command
# TS 24.501, section 8.3.9
#------------------------------------------------------------------------------#
class FGSMPDUSessionModifCommand(Layer3E):
_name = '5GSMPDUSessionModifCommand'
_GEN = (
FGSMHeader(val={'Type':203}),
Type3TV('5GSMCause', val={'T':0x59, 'V':b'\x1a'}, bl={'V':8}, IE=FGSMCause()),
Type4TLV('SessAMBR', val={'T':0x2A, 'V':b'\x06\0\x01\x06\0\x01'}, IE=SessAMBR()),
Type3TV('RQTimer', val={'T':0x56, 'V':b'\0'}, bl={'V':8}, IE=GPRSTimer()),
Type1TV('AlwaysOnPDUSessInd', val={'T':0x8, 'V':0}, IE=AlwaysOnPDUSessInd()),
Type6TLVE('QoSRules', val={'T':0x7A, 'V':b'\0\0\0\0'}, IE=QoSRules()),
Type6TLVE('MappedEPSBearerCtxt', val={'T':0x75, 'V':b'\0\0\0\0'}, IE=MappedEPSBearerCtxt()),
Type6TLVE('QoSFlowDesc', val={'T':0x79, 'V':b'\0\0\0'}, IE=QoSFlowDesc()),
Type6TLVE('ExtProtConfig', val={'T':0x7B, 'V':b'\0'}, IE=ProtConfig()),
Type6TLVE('ATSSSContainer', val={'T':0x77, 'V':b''}, IE=ATSSSParams()),
Type4TLV('IPHdrCompConfig', val={'T':0x66, 'V':b'\0\0\0'}, IE=IPHdrCompConfig()),
Type6TLVE('PortMgmtInfoContainer', val={'T':0x7C, 'V':b''}), # see TS 24.519
Type4TLV('ServingPLMNRateCtrl', val={'T':0x1E, 'V':b'\0\0'}, IE=ServingPLMNRateCtrl()),
Type4TLV('EthHdrCompConfig', val={'T':0x1F, 'V':b'\0'}, IE=EthHdrCompConfig())
)
#------------------------------------------------------------------------------#
# PDU session modification complete
# TS 24.501, section 8.3.10
#------------------------------------------------------------------------------#
class FGSMPDUSessionModifComplete(Layer3E):
_name = '5GSMPDUSessionModifComplete'
_GEN = (
FGSMHeader(val={'Type':204}),
Type6TLVE('ExtProtConfig', val={'T':0x7B, 'V':b'\0'}, IE=ProtConfig()),
Type6TLVE('PortMgmtInfoContainer', val={'T':0x7C, 'V':b''}) # see TS 24.519
)
#------------------------------------------------------------------------------#
# PDU session modification command reject
# TS 24.501, section 8.3.11
#------------------------------------------------------------------------------#
class FGSMPDUSessionModifCommandReject(Layer3E):
_name = '5GSMPDUSessionModifCommandReject'
_GEN = (
FGSMHeader(val={'Type':205}),
Type3V('5GSMCause', val={'V':b'\x1a'}, bl={'V':8}, IE=FGSMCause()),
Type6TLVE('ExtProtConfig', val={'T':0x7B, 'V':b'\0'}, IE=ProtConfig())
)
#------------------------------------------------------------------------------#
# PDU session release request
# TS 24.501, section 8.3.12
#------------------------------------------------------------------------------#
class FGSMPDUSessionReleaseRequest(Layer3E):
_name = '5GSMPDUSessionReleaseRequest'
_GEN = (
FGSMHeader(val={'Type':209}),
Type3TV('5GSMCause', val={'T':0x59, 'V':b'\x1a'}, bl={'V':8}, IE=FGSMCause()),
Type6TLVE('ExtProtConfig', val={'T':0x7B, 'V':b'\0'}, IE=ProtConfig())
)
#------------------------------------------------------------------------------#
# PDU session release reject
# TS 24.501, section 8.3.13
#------------------------------------------------------------------------------#
class FGSMPDUSessionReleaseReject(Layer3E):
_name = '5GSMPDUSessionReleaseReject'
_GEN = (
FGSMHeader(val={'Type':210}),
Type3V('5GSMCause', val={'V':b'\x1a'}, bl={'V':8}, IE=FGSMCause()),
Type6TLVE('ExtProtConfig', val={'T':0x7B, 'V':b'\0'}, IE=ProtConfig())
)
#------------------------------------------------------------------------------#
# PDU session release command
# TS 24.501, section 8.3.14
#------------------------------------------------------------------------------#
class FGSMPDUSessionReleaseCommand(Layer3E):
_name = '5GSMPDUSessionReleaseCommand'
_GEN = (
FGSMHeader(val={'Type':211}),
Type3V('5GSMCause', val={'V':b'\x1a'}, bl={'V':8}, IE=FGSMCause()),
Type4TLV('BackOffTimer', val={'T':0x37, 'V':b'\0'}, IE=GPRSTimer3()),
Type6TLVE('EAPMsg', val={'T':0x78, 'V':b'\0\0\0\0\0'}),
Type4TLV('CongestReattemptInd', val={'T':0x61, 'V':b'\0'}, IE=CongestReattemptInd()),
Type6TLVE('ExtProtConfig', val={'T':0x7B, 'V':b'\0'}, IE=ProtConfig()),
Type1TV('AccessType', val={'T':0xD, 'V':1}, IE=AccessType())
)
#------------------------------------------------------------------------------#
# PDU session release complete
# TS 24.501, section 8.3.15
#------------------------------------------------------------------------------#
class FGSMPDUSessionReleaseComplete(Layer3E):
_name = '5GSMPDUSessionReleaseComplete'
_GEN = (
FGSMHeader(val={'Type':212}),
Type3TV('5GSMCause', val={'T':0x59, 'V':b'\x1a'}, bl={'V':8}, IE=FGSMCause()),
Type6TLVE('ExtProtConfig', val={'T':0x7B, 'V':b'\0'}, IE=ProtConfig())
)
#------------------------------------------------------------------------------#
# 5GSM status
# TS 24.501, section 8.3.16
#------------------------------------------------------------------------------#
class FGSMStatus(Layer3E):
_name = '5GSMStatus'
_GEN = (
FGSMHeader(val={'Type':214}),
Type3V('5GSMCause', val={'V':b'\x1a'}, bl={'V':8}, IE=FGSMCause())
)
#------------------------------------------------------------------------------#
# 5GSM dispatcher
#------------------------------------------------------------------------------#
FGSMTypeClasses = {
193 : FGSMPDUSessionEstabRequest,
194 : FGSMPDUSessionEstabAccept,
195 : FGSMPDUSessionEstabReject,
197 : FGSMPDUSessionAuthentCommand,
198 : FGSMPDUSessionAuthentComplete,
199 : FGSMPDUSessionAuthentResult,
201 : FGSMPDUSessionModifRequest,
202 : FGSMPDUSessionModifReject,
203 : FGSMPDUSessionModifCommand,
204 : FGSMPDUSessionModifComplete,
205 : FGSMPDUSessionModifCommandReject,
209 : FGSMPDUSessionReleaseRequest,
210 : FGSMPDUSessionReleaseReject,
211 : FGSMPDUSessionReleaseCommand,
212 : FGSMPDUSessionReleaseComplete,
214 : FGSMStatus
}
def get_5gsm_msg_instances():
return {k: FGSMTypeClasses[k]() for k in FGSMTypeClasses}
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