mirror of https://gerrit.osmocom.org/pysim
ts_102_221: Implement proper parsing of EF.DIR
EF.DIR can not only contain the AID + Label of TS 102 221, but can also contain any of the DOs specified in ISO7816-4. Let's imoplement this based on the modern pySim.tlv parser Change-Id: I875eb49e1f0370428c2eae69af84f5483bd5b1fc Closes: OS#5410
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# coding=utf-8
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"""Utilities / Functions related to ISO 7816-4
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(C) 2022 by Harald Welte <laforge@osmocom.org>
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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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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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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 *
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from pySim.construct import *
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from pySim.utils import *
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from pySim.filesystem import *
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from pySim.tlv import *
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# Table 91 + Section 8.2.1.2
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class ApplicationId(BER_TLV_IE, tag=0x4f):
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_construct = GreedyBytes
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# Table 91
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class ApplicationLabel(BER_TLV_IE, tag=0x50):
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_construct = GreedyBytes
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# Table 91 + Section 5.3.1.2
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class FileReference(BER_TLV_IE, tag=0x51):
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_construct = GreedyBytes
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# Table 91
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class CommandApdu(BER_TLV_IE, tag=0x52):
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_construct = GreedyBytes
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# Table 91
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class DiscretionaryData(BER_TLV_IE, tag=0x53):
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_construct = GreedyBytes
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# Table 91
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class DiscretionaryTemplate(BER_TLV_IE, tag=0x73):
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_construct = GreedyBytes
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# Table 91 + RFC1738 / RFC2396
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class URL(BER_TLV_IE, tag=0x5f50):
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_construct = GreedyString('ascii')
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# Table 91
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class ApplicationRelatedDOSet(BER_TLV_IE, tag=0x61):
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_construct = GreedyBytes
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# Section 8.2.1.3 Application Template
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class ApplicationTemplate(BER_TLV_IE, tag=0x61, nested=[ApplicationId, ApplicationLabel, FileReference,
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CommandApdu, DiscretionaryData, DiscretionaryTemplate,URL,
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ApplicationRelatedDOSet]):
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pass
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@ -22,10 +22,12 @@ from construct import *
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from pySim.construct import *
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from pySim.utils import *
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from pySim.filesystem import *
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from pySim.tlv import *
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from bidict import bidict
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from pySim.profile import CardProfile
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from pySim.profile import match_uicc
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from pySim.profile import match_sim
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import pySim.iso7816_4 as iso7816_4
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# A UICC will usually also support 2G functionality. If this is the case, we
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# need to add DF_GSM and DF_TELECOM along with the UICC related files
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@ -502,18 +504,22 @@ SC_DO = DataObjectChoice('security_condition', 'Security Condition',
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# TS 102 221 Section 13.1
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class EF_DIR(LinFixedEF):
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class ApplicationLabel(BER_TLV_IE, tag=0x50):
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# TODO: UCS-2 coding option as per Annex A of TS 102 221
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_construct = GreedyString('ascii')
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# see https://github.com/PyCQA/pylint/issues/5794
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#pylint: disable=undefined-variable
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class ApplicationTemplate(BER_TLV_IE, tag=0x61,
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nested=[iso7816_4.ApplicationId, ApplicationLabel, iso7816_4.FileReference,
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iso7816_4.CommandApdu, iso7816_4.DiscretionaryData,
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iso7816_4.DiscretionaryTemplate, iso7816_4.URL,
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iso7816_4.ApplicationRelatedDOSet]):
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pass
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def __init__(self, fid='2f00', sfid=0x1e, name='EF.DIR', desc='Application Directory'):
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super().__init__(fid, sfid=sfid, name=name, desc=desc, rec_len={5,54})
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def _decode_record_hex(self, raw_hex_data):
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raw_hex_data = raw_hex_data.upper()
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atempl_base_tlv = TLV(['61'])
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atempl_base = atempl_base_tlv.parse(raw_hex_data)
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atempl_TLV_MAP = {'4F': 'aid_value', 50:'label'}
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atempl_tlv = TLV(atempl_TLV_MAP)
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atempl = atempl_tlv.parse(atempl_base['61'])
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# FIXME: "All other Dos are according to ISO/IEC 7816-4"
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return tlv_key_replace(atempl_TLV_MAP, atempl)
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self._tlv = EF_DIR.ApplicationTemplate
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# TS 102 221 Section 13.2
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class EF_ICCID(TransparentEF):
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