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shadysim.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
""" toorsimtool.py: A toolkit for the Toorcamp SIM cards
Requires the pySim libraries (http://cgit.osmocom.org/cgit/pysim/)
"""
#
# Copyright (C) 2012 Karl Koscher <[email protected]>
#
# 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 pySim.commands import SimCardCommands
from pySim.utils import swap_nibbles, rpad, b2h
try:
import argparse
except Exception, err:
print "Missing argparse -- try apt-get install python-argparse"
import zipfile
import time
import struct
#------
def hex_ber_length(data):
dataLen = len(data) / 2
if dataLen < 0x80:
return '%02x' % dataLen
dataLen = '%x' % dataLen
lenDataLen = len(dataLen)
if lenDataLen % 2:
dataLen = '0' + dataLen
lenDataLen = lenDataLen + 1
return ('%02x' % (0x80 + (lenDataLen / 2))) + dataLen
class AppLoaderCommands(object):
def __init__(self, transport):
self._tp = transport
self._apduCounter = 0;
def send_terminal_profile(self):
return self._tp.send_apdu_checksw('A010000011FFFF000000000000000000000000000000')
# Wrap an APDU inside an SMS-PP APDU
def send_wrapped_apdu(self, data):
# Command packet header
# SPI: PoR required
# TAR: Remote App Management (000000)
envelopeData = '0D0001000000000000000000' + ('%02x' % (self._apduCounter & 0xff)) + '00' + data;
self._apduCounter = self._apduCounter + 1
# Command
envelopeData = '027000' + ('%04x' % (len(envelopeData) / 2)) + envelopeData;
# SMS-TDPU header: MS-Delivery, no more messages, TP-UD header, no reply path,
# TP-OA = TON/NPI 55667788, TP-PID = SIM Download, BS timestamp
envelopeData = '400881556677887ff600112912000004' + ('%02x' % (len(envelopeData) / 2)) + envelopeData;
# (82) Device Identities: (83) Network to (81) USIM
# (8b) SMS-TPDU
envelopeData = '820283818B' + hex_ber_length(envelopeData) + envelopeData
# d1 = SMS-PP Download, d2 = Cell Broadcast Download
envelopeData = 'd1' + hex_ber_length(envelopeData) + envelopeData;
response = self._tp.send_apdu_checksw('a0c20000' + ('%02x' % (len(envelopeData) / 2)) + envelopeData)[0]
# Unwrap response
response = response[(int(response[10:12],16)*2)+12:]
return (response[6:], response[2:6])
def send_wrapped_apdu_checksw(self, data, sw="9000"):
response = self.send_wrapped_apdu(data)
if response[1] != sw:
raise RuntimeError("SW match failed! Expected %s and got %s." % (sw.lower(), response[1]))
return response
def get_security_domain_aid(self):
# Get Status followed by Get Response
response = self.send_wrapped_apdu_checksw('80F28000024F0000C0000000')[0]
return response[2:(int(response[0:2],16)*2)+2]
def delete_aid(self, aid, delete_related=True):
aidDesc = '4f' + ('%02x' % (len(aid) / 2)) + aid
apdu = '80e400' + ('80' if delete_related else '00') + ('%02x' % (len(aidDesc) / 2)) + aidDesc + '00c0000000'
return self.send_wrapped_apdu_checksw(apdu)
def load_aid_raw(self, aid, executable, codeSize, volatileDataSize = 0, nonvolatileDataSize = 0):
loadParameters = 'c602' + ('%04x' % codeSize)
if volatileDataSize > 0:
loadParameters = loadParameters + 'c702' ('%04x' % volatileDataSize)
if nonvolatileDataSize > 0:
loadParameters = loadParameters + 'c802' ('%04x' % nonvolatileDataSize)
loadParameters = 'ef' + ('%02x' % (len(loadParameters) / 2)) + loadParameters
# Install for load APDU, no security domain or hash specified
data = ('%02x' % (len(aid) / 2)) + aid + '0000' + ('%02x' % (len(loadParameters) / 2)) + loadParameters + '0000'
self.send_wrapped_apdu_checksw('80e60200' + ('%02x' % (len(data) / 2)) + data + '00c0000000')
# Load APDUs
loadData = 'c4' + hex_ber_length(executable) + executable
loadBlock = 0;
while len(loadData):
if len(loadData) > 0xd8:
apdu = '80e800' + ('%02x' % loadBlock) + '6c' + loadData[:0xd8]
loadData = loadData[0xd8:]
loadBlock = loadBlock + 1
else:
apdu = '80e880' + ('%02x' % loadBlock) + ('%02x' % (len(loadData) / 2)) + loadData
loadData = ''
self.send_wrapped_apdu_checksw(apdu + '00c0000000')
def generate_load_file(self, capfile):
zipcap = zipfile.ZipFile(capfile)
zipfiles = zipcap.namelist()
header = None
directory = None
impt = None
applet = None
clas = None
method = None
staticfield = None
export = None
constpool = None
reflocation = None
for i, filename in enumerate(zipfiles):
if filename.lower().endswith('header.cap'):
header = zipcap.read(filename)
elif filename.lower().endswith('directory.cap'):
directory = zipcap.read(filename)
elif filename.lower().endswith('import.cap'):
impt = zipcap.read(filename)
elif filename.lower().endswith('applet.cap'):
applet = zipcap.read(filename)
elif filename.lower().endswith('class.cap'):
clas = zipcap.read(filename)
elif filename.lower().endswith('method.cap'):
method = zipcap.read(filename)
elif filename.lower().endswith('staticfield.cap'):
staticfield = zipcap.read(filename)
elif filename.lower().endswith('export.cap'):
export = zipcap.read(filename)
elif filename.lower().endswith('constantpool.cap'):
constpool = zipcap.read(filename)
elif filename.lower().endswith('reflocation.cap'):
reflocation = zipcap.read(filename)
data = header.encode("hex")
if directory:
data = data + directory.encode("hex")
if impt:
data = data + impt.encode("hex")
if applet:
data = data + applet.encode("hex")
if clas:
data = data + clas.encode("hex")
if method:
data = data + method.encode("hex")
if staticfield:
data = data + staticfield.encode("hex")
if export:
data = data + export.encode("hex")
if constpool:
data = data + constpool.encode("hex")
if reflocation:
data = data + reflocation.encode("hex")
return data
def get_aid_from_load_file(self, data):
return data[26:26+(int(data[24:26],16)*2)]
def load_app(self, capfile):
data = self.generate_load_file(capfile)
aid = self.get_aid_from_load_file(data)
self.load_aid_raw(aid, data, len(data) / 2)
def install_app(self, args):
loadfile = self.generate_load_file(args.install)
aid = self.get_aid_from_load_file(loadfile)
toolkit_params = ''
if args.enable_sim_toolkit:
assert len(args.access_domain) % 2 == 0
assert len(args.priority_level) == 2
toolkit_params = ('%02x' % (len(args.access_domain) / 2)) + args.access_domain
toolkit_params = toolkit_params + args.priority_level + ('%02x' % args.max_timers)
toolkit_params = toolkit_params + ('%02x' % args.max_menu_entry_text)
toolkit_params = toolkit_params + ('%02x' % args.max_menu_entries) + '0000' * args.max_menu_entries + '0000'
if args.tar:
assert len(args.tar) % 6 == 0
toolkit_params = toolkit_params + ('%02x' % (len(args.tar) / 2)) + args.tar
toolkit_params = 'ca' + ('%02x' % (len(toolkit_params) / 2)) + toolkit_params
assert len(args.nonvolatile_memory_required) == 4
assert len(args.volatile_memory_for_install) == 4
parameters = 'c802' + args.nonvolatile_memory_required + 'c702' + args.volatile_memory_for_install
if toolkit_params:
parameters = parameters + toolkit_params
parameters = 'ef' + ('%02x' % (len(parameters) / 2)) + parameters + 'c9' + ('%02x' % (len(args.app_parameters) / 2)) + args.app_parameters
data = ('%02x' % (len(aid) / 2)) + aid + ('%02x' % (len(args.module_aid) / 2)) + args.module_aid + ('%02x' % (len(args.instance_aid) / 2)) + \
args.instance_aid + '0100' + ('%02x' % (len(parameters) / 2)) + parameters + '00'
self.send_wrapped_apdu_checksw('80e60c00' + ('%02x' % (len(data) / 2)) + data + '00c0000000')
#------
parser = argparse.ArgumentParser(description='Tool for Toorcamp SIMs.')
parser.add_argument('-s', '--serialport')
parser.add_argument('-p', '--pcsc', nargs='?', const=0, type=int)
parser.add_argument('-d', '--delete-app')
parser.add_argument('-l', '--load-app')
parser.add_argument('-i', '--install')
parser.add_argument('--module-aid')
parser.add_argument('--instance-aid')
parser.add_argument('--nonvolatile-memory-required', default='0000')
parser.add_argument('--volatile-memory-for-install', default='0000')
parser.add_argument('--enable-sim-toolkit', action='store_true')
parser.add_argument('--access-domain', default='ff')
parser.add_argument('--priority-level', default='01')
parser.add_argument('--max-timers', type=int, default=0)
parser.add_argument('--max-menu-entry-text', type=int, default=16)
parser.add_argument('--max-menu-entries', type=int, default=0)
parser.add_argument('--app-parameters', default='')
parser.add_argument('--print-info', action='store_true')
parser.add_argument('-n', '--new-card-required', action='store_true')
parser.add_argument('-z', '--sleep_after_insertion', type=float, default=0.0)
parser.add_argument('--disable-pin')
parser.add_argument('--pin')
parser.add_argument('-t', '--list-applets', action='store_true')
parser.add_argument('--tar')
parser.add_argument('--dump-phonebook', action='store_true')
parser.add_argument('--set-phonebook-entry', nargs=4)
args = parser.parse_args()
if args.pcsc is not None:
from pySim.transport.pcsc import PcscSimLink
sl = PcscSimLink(args.pcsc)
elif args.serialport is not None:
from pySim.transport.serial import SerialSimLink
sl = SerialSimLink(device=args.serialport, baudrate=9600)
else:
raise RuntimeError("Need to specify either --serialport or --pcsc")
sc = SimCardCommands(sl)
ac = AppLoaderCommands(sl)
sl.wait_for_card(newcardonly=args.new_card_required)
time.sleep(args.sleep_after_insertion)
# Get the ICCID
print "ICCID: " + swap_nibbles(sc.read_binary(['3f00', '2fe2'])[0])
ac.send_terminal_profile()
if args.pin:
sc.verify_chv(1, args.pin)
if args.delete_app:
ac.delete_aid(args.delete_app)
if args.load_app:
ac.load_app(args.load_app)
if args.install:
ac.install_app(args)
if args.print_info:
print "--print-info not implemented yet."
if args.disable_pin:
sl.send_apdu_checksw('0026000108' + args.disable_pin.encode("hex") + 'ff' * (8 - len(args.disable_pin)))
if args.dump_phonebook:
num_records = sc.record_count(['3f00','7f10','6f3a'])
print ("Phonebook: %d records available" % num_records)
for record_id in range(1, num_records + 1):
print sc.read_record(['3f00','7f10','6f3a'], record_id)
if args.set_phonebook_entry:
num_records = sc.record_count(['3f00','7f10','6f3a'])
record_size = sc.record_size(['3f00','7f10','6f3a'])
record_num = int(args.set_phonebook_entry[0])
if (record_num < 1) or (record_num > num_records):
raise RuntimeError("Invalid phonebook record number")
encoded_name = rpad(b2h(args.set_phonebook_entry[1]), (record_size - 14) * 2)
if len(encoded_name) > ((record_size - 14) * 2):
raise RuntimeError("Name is too long")
if len(args.set_phonebook_entry[2]) > 20:
raise RuntimeError("Number is too long")
encoded_number = swap_nibbles(rpad(args.set_phonebook_entry[2], 20))
record = encoded_name + ('%02x' % len(args.set_phonebook_entry[2])) + args.set_phonebook_entry[3] + encoded_number + 'ffff'
sc.update_record(['3f00','7f10','6f3a'], record_num, record)
if args.list_applets:
(data, status) = ac.send_wrapped_apdu('80f21000024f0000c0000000')
while status == '6310':
(partData, status) = ac.send_wrapped_apdu('80f21001024f0000c0000000')
data = data + partData
while len(data) > 0:
aidlen = int(data[0:2],16) * 2
aid = data[2:aidlen + 2]
state = data[aidlen + 2:aidlen + 4]
privs = data[aidlen + 4:aidlen + 6]
num_instances = int(data[aidlen + 6:aidlen + 8], 16)
print 'AID: ' + aid + ', State: ' + state + ', Privs: ' + privs
data = data[aidlen + 8:]
while num_instances > 0:
aidlen = int(data[0:2],16) * 2
aid = data[2:aidlen + 2]
print "\tInstance AID: " + aid
data = data[aidlen + 2:]
num_instances = num_instances - 1