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#!/usr/bin/env python3
# Interactive shell for working with SIM / UICC / USIM / ISIM cards
#
# (C) 2021 by Harald Welte <laforge@osmocom.org>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from typing import List
import json
import cmd2
from cmd2 import style, fg, bg
from cmd2 import CommandSet, with_default_category, with_argparser
import argparse
import os
import sys
from optparse import OptionParser
from pySim.ts_51_011 import EF, DF, EF_SST_map, EF_AD_mode_map
from pySim.ts_31_102 import EF_UST_map, EF_USIM_ADF_map
from pySim.ts_31_103 import EF_IST_map, EF_ISIM_ADF_map
from pySim.exceptions import *
from pySim.commands import SimCardCommands
from pySim.cards import card_detect, Card
from pySim.utils import h2b, swap_nibbles, rpad, h2s
from pySim.utils import dec_st, init_reader, sanitize_pin_adm
from pySim.card_handler import card_handler
from pySim.filesystem import CardMF, RuntimeState
from pySim.ts_51_011 import CardProfileSIM, DF_TELECOM, DF_GSM
from pySim.ts_102_221 import CardProfileUICC
from pySim.ts_31_102 import ADF_USIM
from pySim.ts_31_103 import ADF_ISIM
class PysimApp(cmd2.Cmd):
CUSTOM_CATEGORY = 'pySim Commands'
def __init__(self, card, rs):
basic_commands = [Iso7816Commands(), UsimCommands()]
super().__init__(persistent_history_file='~/.pysim_shell_history', allow_cli_args=False,
use_ipython=True, auto_load_commands=False, command_sets=basic_commands)
self.intro = style('Welcome to pySim-shell!', fg=fg.red)
self.default_category = 'pySim-shell built-in commands'
self.card = card
self.rs = rs
self.py_locals = { 'card': self.card, 'rs' : self.rs }
self.card.read_aids()
self.poutput('AIDs on card: %s' % (self.card._aids))
self.numeric_path = False
self.add_settable(cmd2.Settable('numeric_path', bool, 'Print File IDs instead of names',
onchange_cb=self._onchange_numeric_path))
self.update_prompt()
def _onchange_numeric_path(self, param_name, old, new):
self.update_prompt()
def update_prompt(self):
path_list = self.rs.selected_file.fully_qualified_path(not self.numeric_path)
self.prompt = 'pySIM-shell (%s)> ' % ('/'.join(path_list))
@cmd2.with_category(CUSTOM_CATEGORY)
def do_intro(self, _):
"""Display the intro banner"""
self.poutput(self.intro)
@cmd2.with_category(CUSTOM_CATEGORY)
def do_verify_adm(self, arg):
"""VERIFY the ADM1 PIN"""
pin_adm = sanitize_pin_adm(arg)
self.card.verify_adm(h2b(pin_adm))
@with_default_category('ISO7816 Commands')
class Iso7816Commands(CommandSet):
def __init__(self):
super().__init__()
def do_select(self, opts):
"""SELECT a File (ADF/DF/EF)"""
path = opts.arg_list[0]
fcp_dec = self._cmd.rs.select(path, self._cmd)
self._cmd.update_prompt()
self._cmd.poutput(json.dumps(fcp_dec, indent=4))
def complete_select(self, text, line, begidx, endidx) -> List[str]:
"""Command Line tab completion for SELECT"""
index_dict = { 1: self._cmd.rs.selected_file.get_selectable_names() }
return self._cmd.index_based_complete(text, line, begidx, endidx, index_dict=index_dict)
verify_chv_parser = argparse.ArgumentParser()
verify_chv_parser.add_argument('--chv-nr', type=int, default=1, help='CHV Number')
verify_chv_parser.add_argument('code', help='CODE/PIN/PUK')
@cmd2.with_argparser(verify_chv_parser)
def do_verify_chv(self, opts):
"""Verify (authenticate) using specified CHV (PIN)"""
(data, sw) = self._cmd.card._scc.verify_chv(opts.chv_nr, opts.code)
self._cmd.poutput(data)
@with_default_category('USIM Commands')
class UsimCommands(CommandSet):
def __init__(self):
super().__init__()
def do_read_ust(self, _):
"""Read + Display the EF.UST"""
self._cmd.card.select_adf_by_aid(adf="usim")
(res, sw) = self._cmd.card.read_ust()
self._cmd.poutput(res[0])
self._cmd.poutput(res[1])
def do_read_ehplmn(self, _):
"""Read EF.EHPLMN"""
self._cmd.card.select_adf_by_aid(adf="usim")
(res, sw) = self._cmd.card.read_ehplmn()
self._cmd.poutput(res)
def parse_options():
parser = OptionParser(usage="usage: %prog [options]")
parser.add_option("-d", "--device", dest="device", metavar="DEV",
help="Serial Device for SIM access [default: %default]",
default="/dev/ttyUSB0",
)
parser.add_option("-b", "--baud", dest="baudrate", type="int", metavar="BAUD",
help="Baudrate used for SIM access [default: %default]",
default=9600,
)
parser.add_option("-p", "--pcsc-device", dest="pcsc_dev", type='int', metavar="PCSC",
help="Which PC/SC reader number for SIM access",
default=None,
)
parser.add_option("--modem-device", dest="modem_dev", metavar="DEV",
help="Serial port of modem for Generic SIM Access (3GPP TS 27.007)",
default=None,
)
parser.add_option("--modem-baud", dest="modem_baud", type="int", metavar="BAUD",
help="Baudrate used for modem's port [default: %default]",
default=115200,
)
parser.add_option("--osmocon", dest="osmocon_sock", metavar="PATH",
help="Socket path for Calypso (e.g. Motorola C1XX) based reader (via OsmocomBB)",
default=None,
)
parser.add_option("-a", "--pin-adm", dest="pin_adm",
help="ADM PIN used for provisioning (overwrites default)",
)
parser.add_option("-A", "--pin-adm-hex", dest="pin_adm_hex",
help="ADM PIN used for provisioning, as hex string (16 characters long",
)
(options, args) = parser.parse_args()
if args:
parser.error("Extraneous arguments")
return options
if __name__ == '__main__':
# Parse options
opts = parse_options()
# Init card reader driver
sl = init_reader(opts)
if (sl == None):
exit(1)
# Create command layer
scc = SimCardCommands(transport=sl)
sl.wait_for_card();
card_handler = card_handler(sl)
card = card_detect("auto", scc)
if card is None:
print("No card detected!")
sys.exit(2)
profile = CardProfileUICC()
rs = RuntimeState(card, profile)
# FIXME: do this dynamically
rs.mf.add_file(DF_TELECOM())
rs.mf.add_file(DF_GSM())
rs.mf.add_application(ADF_USIM())
rs.mf.add_application(ADF_ISIM())
app = PysimApp(card, rs)
app.cmdloop()
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