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21caf32e3d
This introduces a new pySim.apdu module hierarchy, which contains
classes that represent TPDU/APDUs as exchanged between
SIM/UICC/USIM/ISIM card and UE.
It contains instruction level decoders for SELECT, READ BINARY and
friends, and then uses the pySim.filesystem.Runtime{Lchan,State} classes
to keep track of the currently selected EF/DF/ADF for each logical
channel, and uses the file-specific decoder classes of pySim to decode
the actual file content that is being read or written.
This provides a much more meaningful decode of protocol traces than
wireshark will ever be able to give us.
Furthermore, there's the new pySim.apdu_source set of classes which
provides "input plugins" for obtaining APDU traces in a variety of
formats. So far, GSMTAP UDP live capture and pyshark based RSPRO
live and pcap file reading are imlpemented.
Change-Id: I862d93163d495a294364168f7818641e47b18c0a
Closes: OS#5126
58 lines
2.0 KiB
Python
58 lines
2.0 KiB
Python
# coding=utf-8
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"""APDU definition/decoder of GlobalPLatform Card Spec (currently 2.1.1)
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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 pySim.apdu import ApduCommand, ApduCommandSet
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class GpDelete(ApduCommand, n='DELETE', ins=0xE4, cla=['8X', 'CX', 'EX']):
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_apdu_case = 4
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class GpStoreData(ApduCommand, n='STORE DATA', ins=0xE2, cla=['8X', 'CX', 'EX']):
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@classmethod
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def _get_apdu_case(cls, hdr:bytes) -> int:
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p1 = hdr[2]
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if p1 & 0x01:
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return 4
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else:
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return 3
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class GpGetDataCA(ApduCommand, n='GET DATA', ins=0xCA, cla=['8X', 'CX', 'EX']):
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_apdu_case = 4
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class GpGetDataCB(ApduCommand, n='GET DATA', ins=0xCB, cla=['8X', 'CX', 'EX']):
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_apdu_case = 4
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class GpGetStatus(ApduCommand, n='GET STATUS', ins=0xF2, cla=['8X', 'CX', 'EX']):
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_apdu_case = 4
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class GpInstall(ApduCommand, n='INSTALL', ins=0xE6, cla=['8X', 'CX', 'EX']):
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_apdu_case = 4
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class GpLoad(ApduCommand, n='LOAD', ins=0xE8, cla=['8X', 'CX', 'EX']):
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_apdu_case = 4
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class GpPutKey(ApduCommand, n='PUT KEY', ins=0xD8, cla=['8X', 'CX', 'EX']):
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_apdu_case = 4
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class GpSetStatus(ApduCommand, n='SET STATUS', ins=0xF0, cla=['8X', 'CX', 'EX']):
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_apdu_case = 3
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ApduCommands = ApduCommandSet('GlobalPlatform v2.3.1', cmds=[GpDelete, GpStoreData,
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GpGetDataCA, GpGetDataCB, GpGetStatus, GpInstall,
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GpLoad, GpPutKey, GpSetStatus])
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