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https://gitea.osmocom.org/sim-card/pysim.git
synced 2026-03-16 18:38:32 +03:00
949c2a2d57
The upstream construct.{Bytes,GreedyBytes} only support bytes/bytearray
input data for the encoder, while the [newly-created]
osmocom.construct.{Bytes,GreedyBytes} support alternatively hex-string input.
This is important in the context of encoding construct-based types from
JSON, where our osmocom.utils.JsonEncoder will automatically convert any
bytes to hex-string, while re-encoding those hex-strings will fail prior
to this patch.
Change-Id: I1c8df6350c68aa408ec96ff6cd1e405ceb1a4fbb
Closes: OS#6774
139 lines
6.3 KiB
Python
139 lines
6.3 KiB
Python
"""
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Definitions from 3GPP TS 31.103 V18.1.0 which are shared by both USIM (31.102) and ISIM (31.103) and
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hence need to be in a separate python module to avoid circular dependencies.
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"""
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# Copyright (C) 2021-2024 Harald Welte <laforge@osmocom.org>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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from construct import Struct, Switch, GreedyString, Int8ub, Prefixed, Enum, Byte
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from osmocom.tlv import BER_TLV_IE, TLV_IE_Collection
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from osmocom.construct import Bytes, HexAdapter, Utf8Adapter, GreedyBytes
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from pySim.filesystem import *
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# TS 31.103 Section 4.2.16
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class EF_UICCIARI(LinFixedEF):
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class iari(BER_TLV_IE, tag=0x80):
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_construct = Utf8Adapter(GreedyBytes)
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def __init__(self, fid='6fe7', sfid=None, name='EF.UICCIARI', desc='UICC IARI', **kwargs):
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super().__init__(fid=fid, sfid=sfid, name=name, desc=desc, **kwargs)
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self._tlv = EF_UICCIARI.iari
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# TS 31.103 Section 4.2.18
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class EF_IMSConfigData(BerTlvEF):
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class ImsConfigDataEncoding(BER_TLV_IE, tag=0x80):
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_construct = HexAdapter(Bytes(1))
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class ImsConfigData(BER_TLV_IE, tag=0x81):
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_construct = GreedyString
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# pylint: disable=undefined-variable
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class ImsConfigDataCollection(TLV_IE_Collection, nested=[ImsConfigDataEncoding, ImsConfigData]):
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pass
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def __init__(self, fid='6ff8', sfid=None, name='EF.IMSConfigData', desc='IMS Configuration Data', **kwargs):
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super().__init__(fid=fid, sfid=sfid, name=name, desc=desc, **kwargs)
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self._tlv = EF_IMSConfigData.ImsConfigDataCollection
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# TS 31.103 Section 4.2.19
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class EF_XCAPConfigData(BerTlvEF):
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class Access(BER_TLV_IE, tag=0x81):
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pass
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class ApplicationName(BER_TLV_IE, tag=0x82):
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pass
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class ProviderID(BER_TLV_IE, tag=0x83):
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pass
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class URI(BER_TLV_IE, tag=0x84):
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pass
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class XcapAuthenticationUserName(BER_TLV_IE, tag=0x85):
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pass
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class XcapAuthenticationPassword(BER_TLV_IE, tag=0x86):
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pass
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class XcapAuthenticationType(BER_TLV_IE, tag=0x87):
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pass
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class AddressType(BER_TLV_IE, tag=0x88):
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pass
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class Address(BER_TLV_IE, tag=0x89):
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pass
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class PDPAuthenticationType(BER_TLV_IE, tag=0x8a):
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pass
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class PDPAuthenticationName(BER_TLV_IE, tag=0x8b):
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pass
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class PDPAuthenticationSecret(BER_TLV_IE, tag=0x8c):
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pass
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class AccessForXCAP(BER_TLV_IE, tag=0x81):
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pass
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class NumberOfXcapConnParPolicy(BER_TLV_IE, tag=0x82):
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_construct = Int8ub
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# pylint: disable=undefined-variable
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class XcapConnParamsPolicyPart(BER_TLV_IE, tag=0xa1, nested=[Access, ApplicationName, ProviderID, URI,
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XcapAuthenticationUserName, XcapAuthenticationPassword,
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XcapAuthenticationType, AddressType, Address, PDPAuthenticationType,
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PDPAuthenticationName, PDPAuthenticationSecret]):
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pass
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class XcapConnParamsPolicy(BER_TLV_IE, tag=0xa0, nested=[AccessForXCAP, NumberOfXcapConnParPolicy, XcapConnParamsPolicyPart]):
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pass
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class XcapConnParamsPolicyDO(BER_TLV_IE, tag=0x80, nested=[XcapConnParamsPolicy]):
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pass
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def __init__(self, fid='6ffc', sfid=None, name='EF.XCAPConfigData', desc='XCAP Configuration Data', **kwargs):
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super().__init__(fid=fid, sfid=sfid, name=name, desc=desc, **kwargs)
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self._tlv = EF_XCAPConfigData.XcapConnParamsPolicy
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# TS 31.103 Section 4.2.20
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class EF_WebRTCURI(LinFixedEF):
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class uri(BER_TLV_IE, tag=0x80):
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_construct = Utf8Adapter(GreedyBytes)
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def __init__(self, fid='6ffa', sfid=None, name='EF.WebRTCURI', desc='WebRTC URI', **kwargs):
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super().__init__(fid=fid, sfid=sfid, name=name, desc=desc, **kwargs)
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self._tlv = EF_WebRTCURI.uri
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# TS 31.103 Section 4.2.21
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class EF_MuDMiDConfigData(BerTlvEF):
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class MudMidConfigDataEncoding(BER_TLV_IE, tag=0x80):
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_construct = HexAdapter(Bytes(1))
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class MudMidConfigData(BER_TLV_IE, tag=0x81):
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_construct = GreedyString
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# pylint: disable=undefined-variable
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class MudMidConfigDataCollection(TLV_IE_Collection, nested=[MudMidConfigDataEncoding, MudMidConfigData]):
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pass
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def __init__(self, fid='6ffe', sfid=None, name='EF.MuDMiDConfigData',
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desc='MuD and MiD Configuration Data', **kwargs):
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super().__init__(fid=fid, sfid=sfid, name=name, desc=desc, **kwargs)
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self._tlv = EF_MuDMiDConfigData.MudMidConfigDataCollection
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# TS 31.103 Section 4.2.22
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class EF_AC_GBAUAPI(LinFixedEF):
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"""The use of this EF is eescribed in 3GPP TS 31.130"""
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class AppletNafAccessControl(BER_TLV_IE, tag=0x80):
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# the use of Int8ub as length field in Prefixed is strictly speaking incorrect, as it is a BER-TLV
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# length field whihc will consume two bytes from length > 127 bytes. However, AIDs and NAF IDs can
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# safely be assumed shorter than that
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_construct = Struct('aid'/Prefixed(Int8ub, GreedyBytes),
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'naf_id'/Prefixed(Int8ub, GreedyBytes))
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def __init__(self, fid='6f0a', sfid=None, name='EF.GBAUAPI',
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desc='Access Control to GBA_U_API', **kwargs):
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super().__init__(fid=fid, sfid=sfid, name=name, desc=desc, **kwargs)
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self._tlv = EF_AC_GBAUAPI.AppletNafAccessControl
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# TS 31.103 Section 4.2.23
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class EF_IMSDCI(TransparentEF):
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"""See Management object as defined in 3GPP TS 24.275."""
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def __init__(self, fid='6f0b', sfid=None, name='EF.IMSDCI', desc='IMS Data Channel Indication', **kwargs):
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super().__init__(fid=fid, sfid=sfid, name=name, desc=desc, **kwargs)
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self._construct = Enum(Byte, ims_dc_not_allowed=0x00,
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ims_dc_allowed_after_ims_session=0x01,
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ims_dc_allowed_simultaneous_ims_session=0x02)
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