mirror of https://gerrit.osmocom.org/pysim
This adds support for creating/deleting and terminating files, as well as support for permanent card termination. Change-Id: I5b1ffb1334afa18d62beb642268066a30deb7ea6changes/26/27126/6
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#!/usr/bin/env python3
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# Interactive shell for working with SIM / UICC / USIM / ISIM cards
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#
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# (C) 2022 by 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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from typing import List
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import cmd2
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from cmd2 import style, fg, bg
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from cmd2 import CommandSet, with_default_category, with_argparser
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import argparse
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from pySim.ts_31_102 import EF_UST_map, EF_USIM_ADF_map
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from pySim.ts_31_103 import EF_IST_map, EF_ISIM_ADF_map
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from pySim.exceptions import *
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from pySim.utils import h2b, swap_nibbles, b2h, JsonEncoder
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from pySim.ts_102_221 import *
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@with_default_category('TS 102 222 Administrative Commands')
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class Ts102222Commands(CommandSet):
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"""Administrative commands for telecommunication applications."""
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def __init__(self):
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super().__init__()
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delfile_parser = argparse.ArgumentParser()
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delfile_parser.add_argument('--force-delete', action='store_true',
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help='I really want to permanently delete the file. I know pySim cannot re-create it yet!')
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delfile_parser.add_argument('NAME', type=str, help='File name or FID to delete')
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@cmd2.with_argparser(delfile_parser)
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def do_delete_file(self, opts):
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"""Delete the specified file. DANGEROUS! See TS 102 222 Section 6.4.
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This will permanently delete the specified file from the card.
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pySim has no support to re-create files yet, and even if it did, your card may not allow it!"""
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if not opts.force_delete:
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self._cmd.perror("Refusing to permanently delete the file, please read the help text.")
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return
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f = self._cmd.rs.get_file_for_selectable(opts.NAME)
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(data, sw) = self._cmd.card._scc.delete_file(f.fid)
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def complete_delete_file(self, text, line, begidx, endidx) -> List[str]:
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"""Command Line tab completion for DELETE FILE"""
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index_dict = {1: self._cmd.rs.selected_file.get_selectable_names()}
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return self._cmd.index_based_complete(text, line, begidx, endidx, index_dict=index_dict)
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termdf_parser = argparse.ArgumentParser()
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termdf_parser.add_argument('--force', action='store_true',
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help='I really want to terminate the file. I know I can not recover from it!')
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termdf_parser.add_argument('NAME', type=str, help='File name or FID')
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@cmd2.with_argparser(termdf_parser)
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def do_terminate_df(self, opts):
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"""Terminate the specified DF. DANGEROUS! See TS 102 222 6.7.
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This is a permanent, one-way operation on the card. There is no undo, you can not recover
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a terminated DF. The only permitted command for a terminated DF is the DLETE FILE command."""
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if not opts.force:
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self._cmd.perror("Refusing to terminate the file, please read the help text.")
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return
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f = self._cmd.rs.get_file_for_selectable(opts.NAME)
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(data, sw) = self._cmd.card._scc.terminate_df(f.fid)
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def complete_terminate_df(self, text, line, begidx, endidx) -> List[str]:
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"""Command Line tab completion for TERMINATE DF"""
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index_dict = {1: self._cmd.rs.selected_file.get_selectable_names()}
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return self._cmd.index_based_complete(text, line, begidx, endidx, index_dict=index_dict)
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@cmd2.with_argparser(termdf_parser)
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def do_terminate_ef(self, opts):
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"""Terminate the specified EF. DANGEROUS! See TS 102 222 6.8.
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This is a permanent, one-way operation on the card. There is no undo, you can not recover
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a terminated EF. The only permitted command for a terminated EF is the DLETE FILE command."""
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if not opts.force:
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self._cmd.perror("Refusing to terminate the file, please read the help text.")
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return
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f = self._cmd.rs.get_file_for_selectable(opts.NAME)
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(data, sw) = self._cmd.card._scc.terminate_ef(f.fid)
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def complete_terminate_ef(self, text, line, begidx, endidx) -> List[str]:
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"""Command Line tab completion for TERMINATE EF"""
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index_dict = {1: self._cmd.rs.selected_file.get_selectable_names()}
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return self._cmd.index_based_complete(text, line, begidx, endidx, index_dict=index_dict)
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tcard_parser = argparse.ArgumentParser()
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tcard_parser.add_argument('--force-terminate-card', action='store_true',
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help='I really want to permanently terminate the card. It will not be usable afterwards!')
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@cmd2.with_argparser(tcard_parser)
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def do_terminate_card_usage(self, opts):
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"""Terminate the Card. SUPER DANGEROUS! See TS 102 222 Section 6.9.
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This will permanently brick the card and can NOT be recovered from!"""
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if not opts.force_terminate_card:
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self._cmd.perror("Refusing to permanently terminate the card, please read the help text.")
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return
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(data, sw) = self._cmd.card._scc.terminate_card_usage()
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create_parser = argparse.ArgumentParser()
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create_parser.add_argument('FILE_ID', type=str, help='File Identifier as 4-character hex string')
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create_parser._action_groups.pop()
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create_required = create_parser.add_argument_group('required arguments')
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create_optional = create_parser.add_argument_group('optional arguments')
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create_required.add_argument('--ef-arr-file-id', required=True, type=str, help='Referenced Security: File Identifier of EF.ARR')
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create_required.add_argument('--ef-arr-record-nr', required=True, type=int, help='Referenced Security: Record Number within EF.ARR')
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create_required.add_argument('--file-size', required=True, type=int, help='Size of file in octets')
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create_required.add_argument('--structure', required=True, type=str, choices=['transparent', 'linear_fixed', 'ber_tlv'],
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help='Structure of the to-be-created EF')
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create_optional.add_argument('--short-file-id', type=str, help='Short File Identifier as 2-digit hex string')
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create_optional.add_argument('--shareable', action='store_true', help='Should the file be shareable?')
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create_optional.add_argument('--record-length', type=int, help='Length of each record in octets')
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@cmd2.with_argparser(create_parser)
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def do_create_ef(self, opts):
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"""Create a new EF below the currently selected DF. Requires related privileges."""
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file_descriptor = {
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'file_descriptor_byte': {
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'shareable': opts.shareable,
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'file_type': 'working_ef',
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'structure': opts.structure,
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}
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}
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if opts.structure == 'linear_fixed':
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if not opts.record_length:
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self._cmd.perror("you must specify the --record-length for linear fixed EF")
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return
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file_descriptor['record_len'] = opts.record_length
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elif opts.structure == 'ber_tlv':
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self._cmd.perror("BER-TLV creation not yet fully supported, sorry")
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return
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ies = [FileDescriptor(decoded=file_descriptor), FileIdentifier(decoded=opts.FILE_ID),
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LifeCycleStatusInteger(decoded='operational_activated'),
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SecurityAttribReferenced(decoded={'ef_arr_file_id': opts.ef_arr_file_id,
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'ef_arr_record_nr': opts.ef_arr_record_nr }),
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FileSize(decoded=opts.file_size),
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ShortFileIdentifier(decoded=opts.short_file_id),
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]
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fcp = FcpTemplate(children=ies)
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(data, sw) = self._cmd.card._scc.create_file(b2h(fcp.to_tlv()))
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# the newly-created file is automatically selected but our runtime state knows nothing of it
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self._cmd.rs.select_file(self._cmd.rs.selected_file)
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createdf_parser = argparse.ArgumentParser()
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createdf_parser.add_argument('FILE_ID', type=str, help='File Identifier as 4-character hex string')
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createdf_parser._action_groups.pop()
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createdf_required = createdf_parser.add_argument_group('required arguments')
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createdf_optional = createdf_parser.add_argument_group('optional arguments')
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createdf_sja_optional = createdf_parser.add_argument_group('sysmoISIM-SJA optional arguments')
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createdf_required.add_argument('--ef-arr-file-id', required=True, type=str, help='Referenced Security: File Identifier of EF.ARR')
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createdf_required.add_argument('--ef-arr-record-nr', required=True, type=int, help='Referenced Security: Record Number within EF.ARR')
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createdf_optional.add_argument('--shareable', action='store_true', help='Should the file be shareable?')
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createdf_optional.add_argument('--aid', type=str, help='Application ID (creates an ADF, instead of a DF)')
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# mandatory by spec, but ignored by several OS, so don't force the user
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createdf_optional.add_argument('--total-file-size', type=int, help='Physical memory allocated for DF/ADi in octets')
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createdf_sja_optional.add_argument('--permit-rfm-create', action='store_true')
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createdf_sja_optional.add_argument('--permit-rfm-delete-terminate', action='store_true')
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createdf_sja_optional.add_argument('--permit-other-applet-create', action='store_true')
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createdf_sja_optional.add_argument('--permit-other-applet-delete-terminate', action='store_true')
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@cmd2.with_argparser(createdf_parser)
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def do_create_df(self, opts):
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"""Create a new DF below the currently selected DF. Requires related privileges."""
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file_descriptor = {
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'file_descriptor_byte': {
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'shareable': opts.shareable,
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'file_type': 'df',
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'structure': 'no_info_given',
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}
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}
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ies = []
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ies.append(FileDescriptor(decoded=file_descriptor))
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ies.append(FileIdentifier(decoded=opts.FILE_ID))
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if opts.aid:
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ies.append(DfName(decoded=opts.aid))
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ies.append(LifeCycleStatusInteger(decoded='operational_activated'))
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ies.append(SecurityAttribReferenced(decoded={'ef_arr_file_id': opts.ef_arr_file_id,
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'ef_arr_record_nr': opts.ef_arr_record_nr }))
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if opts.total_file_size:
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ies.append(TotalFileSize(decoded=opts.total_file_size))
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# TODO: Spec states PIN Status Template DO is mandatory
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if opts.permit_rfm_create or opts.permit_rfm_delete_terminate or opts.permit_other_applet_create or opts.permit_other_applet_delete_terminate:
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toolkit_ac = {
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'rfm_create': opts.permit_rfm_create,
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'rfm_delete_terminate': opts.permit_rfm_delete_terminate,
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'other_applet_create': opts.permit_other_applet_create,
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'other_applet_delete_terminate': opts.permit_other_applet_delete_terminate,
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}
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ies.append(ProprietaryInformation(children=[ToolkitAccessConditions(decoded=toolkit_ac)]))
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fcp = FcpTemplate(children=ies)
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(data, sw) = self._cmd.card._scc.create_file(b2h(fcp.to_tlv()))
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# the newly-created file is automatically selected but our runtime state knows nothing of it
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self._cmd.rs.select_file(self._cmd.rs.selected_file)
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