mirror of https://gerrit.osmocom.org/pysim
WIP: classic SIM (3GPP TS 51.011) support.
Change-Id: I1cbbbabd22a67048f3ee9330c12f72c34152ce45
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@ -27,10 +27,11 @@ logger = colorlog.getLogger()
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# merge all of the command sets into one global set. This will override instructions,
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# the one from the 'last' set in the addition below will prevail.
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from pySim.apdu.ts_51_011 import ApduCommands as SimApduCommands
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from pySim.apdu.ts_102_221 import ApduCommands as UiccApduCommands
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from pySim.apdu.ts_31_102 import ApduCommands as UsimApduCommands
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from pySim.apdu.global_platform import ApduCommands as GpApduCommands
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ApduCommands = UiccApduCommands + UsimApduCommands #+ GpApduCommands
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ApduCommands = SimApduCommands + UiccApduCommands + UsimApduCommands #+ GpApduCommands
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class DummySimLink(LinkBase):
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@ -0,0 +1,337 @@
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# coding=utf-8
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"""APDU definitions/decoders of 3GPP TS 51.011, the classic SIM spec.
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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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import logging
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from pySim.construct import *
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from pySim.filesystem import *
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from pySim.apdu import ApduCommand, ApduCommandSet
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from typing import Optional, Dict, Tuple
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logger = logging.getLogger(__name__)
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# TS 51.011 Section 9.2.1
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class SimSelect(ApduCommand, n='SELECT', ins=0xA4, cla=['A0']):
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_apdu_case = 4
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def process_on_lchan(self, lchan: RuntimeLchan):
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path = [self.cmd_data[i:i+2] for i in range(0, len(self.cmd_data), 2)]
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for file in path:
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file_hex = b2h(file)
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sels = lchan.selected_file.get_selectables(['FIDS'])
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if file_hex in sels:
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if self.successful:
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#print("\tSELECT %s" % sels[file_hex])
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lchan.selected_file = sels[file_hex]
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else:
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#print("\tSELECT %s FAILED" % sels[file_hex])
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pass
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continue
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logger.warning('SELECT UNKNOWN FID %s (%s)' % (file_hex, '/'.join([b2h(x) for x in path])))
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if len(self.cmd_data) != 2:
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raise ValueError('Expecting a 2-byte FID')
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# decode the SELECT response
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if self.successful:
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self.file = lchan.selected_file
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if 'body' in self.rsp_dict:
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# not every SELECT is asking for the FCP in response...
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return lchan.selected_file.decode_select_response(self.rsp_dict['body'])
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return None
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# TS 51.011 Section 9.2.2
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class SimStatus(ApduCommand, n='STATUS', ins=0xF2, cla=['A0']):
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_apdu_case = 2
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def process_on_lchan(self, lchan):
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if self.successful:
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if 'body' in self.rsp_dict:
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return lchan.selected_file.decode_select_response(self.rsp_dict['body'])
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def _decode_binary_p1p2(p1, p2) -> Dict:
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ret = {}
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if p1 & 0x80:
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ret['file'] = 'sfi'
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ret['sfi'] = p1 & 0x1f
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ret['offset'] = p2
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else:
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ret['file'] = 'currently_selected_ef'
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ret['offset'] = ((p1 & 0x7f) << 8) & p2
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return ret
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# TS 51.011 Section 9.2.3 / 31.101
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class ReadBinary(ApduCommand, n='READ BINARY', ins=0xB0, cla=['A0']):
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_apdu_case = 2
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def _decode_p1p2(self):
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return _decode_binary_p1p2(self.p1, self.p2)
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def process_on_lchan(self, lchan):
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self._determine_file(lchan)
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if not isinstance(self.file, TransparentEF):
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return b2h(self.rsp_data)
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# our decoders don't work for non-zero offsets / short reads
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if self.cmd_dict['offset'] != 0 or self.lr < self.file.size[0]:
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return b2h(self.rsp_data)
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method = getattr(self.file, 'decode_bin', None)
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if self.successful and callable(method):
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return method(self.rsp_data)
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# TS 51.011 Section 9.2.4 / 31.101
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class UpdateBinary(ApduCommand, n='UPDATE BINARY', ins=0xD6, cla=['A0']):
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_apdu_case = 3
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def _decode_p1p2(self):
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return _decode_binary_p1p2(self.p1, self.p2)
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def process_on_lchan(self, lchan):
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self._determine_file(lchan)
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if not isinstance(self.file, TransparentEF):
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return b2h(self.rsp_data)
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# our decoders don't work for non-zero offsets / short writes
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if self.cmd_dict['offset'] != 0 or self.lc < self.file.size[0]:
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return b2h(self.cmd_data)
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method = getattr(self.file, 'decode_bin', None)
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if self.successful and callable(method):
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return method(self.cmd_data)
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def _decode_record_p1p2(p1, p2):
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ret = {}
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ret['record_number'] = p1
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if p2 >> 3 == 0:
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ret['file'] = 'currently_selected_ef'
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else:
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ret['file'] = 'sfi'
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ret['sfi'] = p2 >> 3
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mode = p2 & 0x7
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if mode == 2:
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ret['mode'] = 'next_record'
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elif mode == 3:
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ret['mode'] = 'previous_record'
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elif mode == 8:
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ret['mode'] = 'absolute_current'
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return ret
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# TS 51.011 Section 9.2.5
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class ReadRecord(ApduCommand, n='READ RECORD', ins=0xB2, cla=['A0']):
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_apdu_case = 2
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def _decode_p1p2(self):
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r = _decode_record_p1p2(self.p1, self.p2)
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self.col_id = '%02u' % r['record_number']
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return r
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def process_on_lchan(self, lchan):
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self._determine_file(lchan)
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if not isinstance(self.file, LinFixedEF):
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return b2h(self.rsp_data)
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method = getattr(self.file, 'decode_record_bin', None)
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if self.successful and callable(method):
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return method(self.rsp_data)
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# TS 51.011 Section 9.2.6
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class UpdateRecord(ApduCommand, n='UPDATE RECORD', ins=0xDC, cla=['A0']):
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_apdu_case = 3
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def _decode_p1p2(self):
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r = _decode_record_p1p2(self.p1, self.p2)
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self.col_id = '%02u' % r['record_number']
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return r
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def process_on_lchan(self, lchan):
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self._determine_file(lchan)
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if not isinstance(self.file, LinFixedEF):
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return b2h(self.cmd_data)
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method = getattr(self.file, 'decode_record_bin', None)
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if self.successful and callable(method):
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return method(self.cmd_data)
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# TS 51.011 Section 9.2.7
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class Seek(ApduCommand, n='SEEK', ins=0xA2, cla=['A0']):
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_apdu_case = 4
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_construct_rsp = GreedyRange(Int8ub)
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def _decode_p1p2(self):
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ret = {}
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sfi = self.p2 >> 3
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if sfi == 0:
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ret['file'] = 'currently_selected_ef'
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else:
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ret['file'] = 'sfi'
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ret['sfi'] = sfi
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mode = self.p2 & 0x7
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if mode in [0x4, 0x5]:
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if mode == 0x4:
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ret['mode'] = 'forward_search'
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else:
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ret['mode'] = 'backward_search'
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ret['record_number'] = self.p1
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self.col_id = '%02u' % ret['record_number']
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elif mode == 6:
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ret['mode'] = 'enhanced_search'
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# TODO: further decode
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elif mode == 7:
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ret['mode'] = 'proprietary_search'
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return ret
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def _decode_cmd(self):
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ret = self._decode_p1p2()
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if self.cmd_data:
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if ret['mode'] == 'enhanced_search':
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ret['search_indication'] = b2h(self.cmd_data[:2])
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ret['search_string'] = b2h(self.cmd_data[2:])
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else:
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ret['search_string'] = b2h(self.cmd_data)
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return ret
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def process_on_lchan(self, lchan):
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self._determine_file(lchan)
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return self.to_dict()
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# TS 51.011 Section 9.2.8
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class Increase(ApduCommand, n='INCREASE', ins=0x32, cla=['A0']):
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_apdu_case = 4
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PinConstructP2 = BitStruct('scope'/Enum(Flag, global_mf=0, specific_df_adf=1),
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BitsInteger(2), 'reference_data_nr'/BitsInteger(5))
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# TS 51.011 Section 9.2.9
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class VerifyChv(ApduCommand, n='VERIFY CHV', ins=0x20, cla=['A0']):
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_apdu_case = 3
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_construct_p2 = PinConstructP2
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@staticmethod
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def _pin_process(apdu):
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processed = {
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'scope': apdu.cmd_dict['p2']['scope'],
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'referenced_data_nr': apdu.cmd_dict['p2']['reference_data_nr'],
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}
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if apdu.lc == 0:
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# this is just a question on the counters remaining
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processed['mode'] = 'check_remaining_attempts'
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else:
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processed['pin'] = b2h(apdu.cmd_data)
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if apdu.sw[0] == 0x63:
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processed['remaining_attempts'] = apdu.sw[1] & 0xf
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return processed
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@staticmethod
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def _pin_is_success(sw):
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if sw[0] == 0x63:
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return True
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else:
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return False
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def process_on_lchan(self, lchan: RuntimeLchan):
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return VerifyPin._pin_process(self)
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def _is_success(self):
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return VerifyPin._pin_is_success(self.sw)
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# TS 51.011 Section 9.2.10
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class ChangeChv(ApduCommand, n='CHANGE CHV', ins=0x24, cla=['A0']):
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_apdu_case = 3
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_construct_p2 = PinConstructP2
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def process_on_lchan(self, lchan: RuntimeLchan):
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return VerifyPin._pin_process(self)
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def _is_success(self):
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return VerifyPin._pin_is_success(self.sw)
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# TS 51.011 Section 9.2.11
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class DisableChv(ApduCommand, n='DISABLE CHV', ins=0x26, cla=['A0']):
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_apdu_case = 3
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_construct_p2 = PinConstructP2
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def process_on_lchan(self, lchan: RuntimeLchan):
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return VerifyPin._pin_process(self)
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def _is_success(self):
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return VerifyPin._pin_is_success(self.sw)
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# TS 51.011 Section 9.2.12
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class EnableChv(ApduCommand, n='ENABLE CHV', ins=0x28, cla=['A0']):
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_apdu_case = 3
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_construct_p2 = PinConstructP2
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def process_on_lchan(self, lchan: RuntimeLchan):
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return VerifyPin._pin_process(self)
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def _is_success(self):
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return VerifyPin._pin_is_success(self.sw)
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# TS 51.011 Section 9.2.13
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class UnblockChv(ApduCommand, n='UNBLOCK CHV', ins=0x2C, cla=['A0']):
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_apdu_case = 3
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_construct_p2 = PinConstructP2
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def process_on_lchan(self, lchan: RuntimeLchan):
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return VerifyPin._pin_process(self)
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def _is_success(self):
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return VerifyPin._pin_is_success(self.sw)
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# TS 51.011 Section 9.2.14
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class Invalidate(ApduCommand, n='INVALIDATE', ins=0x04, cla=['A0']):
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_apdu_case = 1
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_construct_p1 = BitStruct(BitsInteger(4),
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'select_mode'/Enum(BitsInteger(4), ef_by_file_id=0,
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path_from_mf=8, path_from_current_df=9))
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# TS 51.011 Section 9.2.15
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class Rehabilitate(ApduCommand, n='REHABILITATE', ins=0x44, cla=['A0']):
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_apdu_case = 1
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_construct_p1 = Invalidate._construct_p1
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# TS 51.011 Section 9.2.16
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class RunGsmAlgorithm(ApduCommand, n='RUN GSM ALGORITHM', ins=0x88, cla=['A0']):
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_apdu_case = 4
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_construct = Struct('rand'/HexAdapter(Bytes(16)))
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_construct_rsp = Struct('sres'/HexAdapter(Bytes(4)), 'kc'/HexAdapter(Bytes(8)))
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# TS 51.011 Section 9.2.17
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class Sleep(ApduCommand, n='SLEEP', ins=0xFA, cla=['A0']):
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_apdu_case = 2
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# TS 51.011 Section 9.2.18
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class GetResponse(ApduCommand, n='GET RESPONSE', ins=0xC0, cla=['A0']):
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_apdu_case = 2
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# TS 51.011 Section 9.2.19
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class TerminalProfile(ApduCommand, n='TERMINAL PROFILE', ins=0x10, cla=['A0']):
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_apdu_case = 3
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# TS 51.011 Section 9.2.20
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class Envelope(ApduCommand, n='ENVELOPE', ins=0xC2, cla=['A0']):
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_apdu_case = 4
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# TS 51.011 Section 9.2.21
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class Fetch(ApduCommand, n='FETCH', ins=0x12, cla=['A0']):
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_apdu_case = 2
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# TS 51.011 Section 9.2.22
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class TerminalResponse(ApduCommand, n='TERMINAL RESPONSE', ins=0x14, cla=['A0']):
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_apdu_case = 3
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ApduCommands = ApduCommandSet('TS 51.011', cmds=[SimSelect, SimStatus, ReadBinary, UpdateBinary, ReadRecord,
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UpdateRecord, Seek, Increase, VerifyChv, ChangeChv, DisableChv,
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EnableChv, UnblockChv, Invalidate, Rehabilitate, RunGsmAlgorithm,
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Sleep, GetResponse, TerminalProfile, Envelope, Fetch, TerminalResponse])
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