Add a new pySim-shell program

pySim-prog was nice when there were only 5 parameters on a SIM that we
could program, and where the use case was pretty limited.  Today, we
have SIM/USIM/ISIM cards with hundreds of files and even more parameters
to program.  We cannot add a command line argument for each file to
pySim-prog.

Instead, this introduces an interactive command-line shell / REPL,
in which one can navigate the file system of the card, read and update
files both in raw format and in decoded/parsed format.

The idea is primarily inspired by Henryk Ploatz' venerable
cyberflex-shell, but implemented on a more modern basis using
the cmd2 python module.

See https://lists.osmocom.org/pipermail/simtrace/2021-January/000860.html
and https://lists.osmocom.org/pipermail/simtrace/2021-February/000864.html
for some related background.

Most code by Harald Welte. Some bug fixes by Philipp Maier
have been squashed.

Change-Id: Iad117596e922223bdc1e5b956f84844b7c577e02
Related: OS#4963

8 files changed, 1800 insertions, 2 deletions

diff --git a/contrib/jenkins.sh b/contrib/jenkins.sh
index 5ba2c8d..bfbf4e0 100755
--- a/contrib/jenkins.sh
+++ b/contrib/jenkins.sh
@@ -13,6 +13,7 @@ virtualenv -p python3 venv --system-site-packages
 . venv/bin/activate
 pip install pytlv
 pip install pyyaml
+pip install cmd2
 
 cd pysim-testdata
 ../tests/pysim-test.sh
diff --git a/pySim-shell.py b/pySim-shell.py
new file mode 100755
index 0000000..ce9630a
--- /dev/null
+++ b/pySim-shell.py
@@ -0,0 +1,213 @@
+#!/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()
diff --git a/pySim/exceptions.py b/pySim/exceptions.py
index 5d30f76..156ec62 100644
--- a/pySim/exceptions.py
+++ b/pySim/exceptions.py
@@ -41,8 +41,13 @@ class ReaderError(Exception):
 class SwMatchError(Exception):
 	"""Raised when an operation specifies an expected SW but the actual SW from
 	   the card doesn't match."""
-	def __init__(self, sw_actual, sw_expected):
+	def __init__(self, sw_actual, sw_expected, rs=None):
 		self.sw_actual = sw_actual
 		self.sw_expected = sw_expected
+		self.rs = rs
 	def __str__(self):
+		if self.rs:
+			r = self.rs.interpret_sw(sw_actual)
+			if r:
+				return "SW match failed! Expected %s and got %s: %s - %s" % (self.sw_expected, self.sw_actual, r[0], r[1])
 		return "SW match failed! Expected %s and got %s." % (self.sw_expected, self.sw_actual)
diff --git a/pySim/filesystem.py b/pySim/filesystem.py
new file mode 100644
index 0000000..2bcbe10
--- /dev/null
+++ b/pySim/filesystem.py
@@ -0,0 +1,715 @@
+# coding=utf-8
+"""Representation of the ISO7816-4 filesystem model.
+
+The File (and its derived classes) represent the structure / hierarchy
+of the ISO7816-4 smart card file system with the MF, DF, EF and ADF
+entries, further sub-divided into the EF sub-types Transparent, Linear Fixed, etc.
+
+The classes are intended to represent the *specification* of the filesystem,
+not the actual contents / runtime state of interacting with a given smart card.
+
+(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/>.
+"""
+
+import code
+import json
+
+import cmd2
+from cmd2 import CommandSet, with_default_category, with_argparser
+import argparse
+
+from pySim.utils import sw_match, h2b, b2h
+from pySim.exceptions import *
+
+class CardFile(object):
+    """Base class for all objects in the smart card filesystem.
+    Serve as a common ancestor to all other file types; rarely used directly.
+    """
+    RESERVED_NAMES = ['..', '.', '/', 'MF']
+    RESERVED_FIDS = ['3f00']
+
+    def __init__(self, fid=None, sfid=None, name=None, desc=None, parent=None):
+        if not isinstance(self, CardADF) and fid == None:
+            raise ValueError("fid is mandatory")
+        if fid:
+            fid = fid.lower()
+        self.fid = fid           # file identifier
+        self.sfid = sfid         # short file identifier
+        self.name = name         # human readable name
+        self.desc = desc         # human readable description
+        self.parent = parent
+        if self.parent and self.parent != self and self.fid:
+            self.parent.add_file(self)
+        self.shell_commands = []
+
+    def __str__(self):
+        if self.name:
+            return self.name
+        else:
+            return self.fid
+
+    def _path_element(self, prefer_name):
+        if prefer_name and self.name:
+            return self.name
+        else:
+            return self.fid
+
+    def fully_qualified_path(self, prefer_name=True):
+        """Return fully qualified path to file as list of FID or name strings."""
+        if self.parent != self:
+            ret = self.parent.fully_qualified_path(prefer_name)
+        else:
+            ret = []
+        ret.append(self._path_element(prefer_name))
+        return ret
+
+    def get_mf(self):
+        """Return the MF (root) of the file system."""
+        if self.parent == None:
+            return None
+        # iterate towards the top. MF has parent == self
+        node = self
+        while node.parent != node:
+            node = node.parent
+        return node
+
+    def _get_self_selectables(self, alias=None):
+        """Return a dict of {'identifier': self} tuples"""
+        sels = {}
+        if alias:
+            sels.update({alias: self})
+        if self.fid:
+            sels.update({self.fid: self})
+        if self.name:
+            sels.update({self.name: self})
+        return sels
+
+    def get_selectables(self):
+        """Return a dict of {'identifier': File} that is selectable from the current file."""
+        # we can always select ourself
+        sels = self._get_self_selectables('.')
+        # we can always select our parent
+        sels = self.parent._get_self_selectables('..')
+        # if we have a MF, we can always select its applications
+        mf = self.get_mf()
+        if mf:
+            sels.update(mf._get_self_selectables())
+            sels.update(mf.get_app_selectables())
+        return sels
+
+    def get_selectable_names(self):
+        """Return a list of strings for all identifiers that are selectable from the current file."""
+        sels = self.get_selectables()
+        return sels.keys()
+
+    def decode_select_response(self, data_hex):
+        """Decode the response to a SELECT command."""
+        return self.parent.decode_select_response(data_hex)
+
+
+class CardDF(CardFile):
+    """DF (Dedicated File) in the smart card filesystem.  Those are basically sub-directories."""
+    def __init__(self, **kwargs):
+        if not isinstance(self, CardADF):
+            if not 'fid' in kwargs:
+                raise TypeError('fid is mandatory for all DF')
+        super().__init__(**kwargs)
+        self.children = dict()
+
+    def __str__(self):
+        return "DF(%s)" % (super().__str__())
+
+    def add_file(self, child, ignore_existing=False):
+        """Add a child (DF/EF) to this DF"""
+        if not isinstance(child, CardFile):
+            raise TypeError("Expected a File instance")
+        if child.name in CardFile.RESERVED_NAMES:
+            raise ValueError("File name %s is a reserved name" % (child.name))
+        if child.fid in CardFile.RESERVED_FIDS:
+            raise ValueError("File fid %s is a reserved name" % (child.fid))
+        if child.fid in self.children:
+            if ignore_existing:
+                return
+            raise ValueError("File with given fid %s already exists" % (child.fid))
+        if self.lookup_file_by_sfid(child.sfid):
+            raise ValueError("File with given sfid %s already exists" % (child.sfid))
+        if self.lookup_file_by_name(child.name):
+            if ignore_existing:
+                return
+            raise ValueError("File with given name %s already exists" % (child.name))
+        self.children[child.fid] = child
+        child.parent = self
+
+    def add_files(self, children, ignore_existing=False):
+        """Add a list of child (DF/EF) to this DF"""
+        for child in children:
+            self.add_file(child, ignore_existing)
+
+    def get_selectables(self):
+        """Get selectable (DF/EF names) from current DF"""
+        # global selectables + our children
+        sels = super().get_selectables()
+        sels.update({x.fid: x for x in self.children.values() if x.fid})
+        sels.update({x.name: x for x in self.children.values() if x.name})
+        return sels
+
+    def lookup_file_by_name(self, name):
+        if name == None:
+            return None
+        for i in self.children.values():
+            if i.name and i.name == name:
+                return i
+        return None
+
+    def lookup_file_by_sfid(self, sfid):
+        if sfid == None:
+            return None
+        for i in self.children.values():
+            if i.sfid == int(sfid):
+                return i
+        return None
+
+    def lookup_file_by_fid(self, fid):
+        if fid in self.children:
+            return self.children[fid]
+        return None
+
+
+class CardMF(CardDF):
+    """MF (Master File) in the smart card filesystem"""
+    def __init__(self, **kwargs):
+        # can be overridden; use setdefault
+        kwargs.setdefault('fid', '3f00')
+        kwargs.setdefault('name', 'MF')
+        kwargs.setdefault('desc', 'Master File (directory root)')
+        # cannot be overridden; use assignment
+        kwargs['parent'] = self
+        super().__init__(**kwargs)
+        self.applications = dict()
+
+    def __str__(self):
+        return "MF(%s)" % (self.fid)
+
+    def add_application(self, app):
+        """Add an ADF (Application Dedicated File) to the MF"""
+        if not isinstance(app, CardADF):
+            raise TypeError("Expected an ADF instance")
+        if app.aid in self.applications:
+            raise ValueError("AID %s already exists" % (app.aid))
+        self.applications[app.aid] = app
+        app.parent=self
+
+    def get_app_names(self):
+        """Get list of completions (AID names)"""
+        return [x.name for x in self.applications]
+
+    def get_selectables(self):
+        """Get list of completions (DF/EF/ADF names) from current DF"""
+        sels = super().get_selectables()
+        sels.update(self.get_app_selectables())
+        return sels
+
+    def get_app_selectables(self):
+        # applications by AID + name
+        sels = {x.aid: x for x in self.applications.values()}
+        sels.update({x.name: x for x in self.applications.values() if x.name})
+        return sels
+
+    def decode_select_response(self, data_hex):
+        """Decode the response to a SELECT command."""
+        return data_hex
+
+
+
+class CardADF(CardDF):
+    """ADF (Application Dedicated File) in the smart card filesystem"""
+    def __init__(self, aid, **kwargs):
+        super().__init__(**kwargs)
+        self.aid = aid           # Application Identifier
+        if self.parent:
+            self.parent.add_application(self)
+
+    def __str__(self):
+        return "ADF(%s)" % (self.aid)
+
+    def _path_element(self, prefer_name):
+        if self.name and prefer_name:
+            return self.name
+        else:
+            return self.aid
+
+
+class CardEF(CardFile):
+    """EF (Entry File) in the smart card filesystem"""
+    def __init__(self, *, fid, **kwargs):
+        kwargs['fid'] = fid
+        super().__init__(**kwargs)
+
+    def __str__(self):
+        return "EF(%s)" % (super().__str__())
+
+    def get_selectables(self):
+        """Get list of completions (EF names) from current DF"""
+        #global selectable names + those of the parent DF
+        sels = super().get_selectables()
+        sels.update({x.name:x for x in self.parent.children.values() if x != self})
+        return sels
+
+
+class TransparentEF(CardEF):
+    """Transparent EF (Entry File) in the smart card filesystem"""
+
+    @with_default_category('Transparent EF Commands')
+    class ShellCommands(CommandSet):
+        def __init__(self):
+            super().__init__()
+
+        read_bin_parser = argparse.ArgumentParser()
+        read_bin_parser.add_argument('--offset', type=int, default=0, help='Byte offset for start of read')
+        read_bin_parser.add_argument('--length', type=int, help='Number of bytes to read')
+        @cmd2.with_argparser(read_bin_parser)
+        def do_read_binary(self, opts):
+            """Read binary data from a transparent EF"""
+            (data, sw) = self._cmd.rs.read_binary(opts.length, opts.offset)
+            self._cmd.poutput(data)
+
+        def do_read_binary_decoded(self, opts):
+            """Read + decode data from a transparent EF"""
+            (data, sw) = self._cmd.rs.read_binary_dec()
+            self._cmd.poutput(json.dumps(data, indent=4))
+
+        upd_bin_parser = argparse.ArgumentParser()
+        upd_bin_parser.add_argument('--offset', type=int, default=0, help='Byte offset for start of read')
+        upd_bin_parser.add_argument('data', help='Data bytes (hex format) to write')
+        @cmd2.with_argparser(upd_bin_parser)
+        def do_update_binary(self, opts):
+            """Update (Write) data of a transparent EF"""
+            (data, sw) = self._cmd.rs.update_binary(opts.data, opts.offset)
+            self._cmd.poutput(data)
+
+        upd_bin_dec_parser = argparse.ArgumentParser()
+        upd_bin_dec_parser.add_argument('data', help='Abstract data (JSON format) to write')
+        @cmd2.with_argparser(upd_bin_dec_parser)
+        def do_update_binary_decoded(self, opts):
+            """Encode + Update (Write) data of a transparent EF"""
+            data_json = json.loads(opts.data)
+            (data, sw) = self._cmd.rs.update_binary_dec(data_json)
+            self._cmd.poutput(json.dumps(data, indent=4))
+
+    def __init__(self, fid, sfid=None, name=None, desc=None, parent=None, size={1,None}):
+        super().__init__(fid=fid, sfid=sfid, name=name, desc=desc, parent=parent)
+        self.size = size
+        self.shell_commands = [self.ShellCommands()]
+
+    def decode_bin(self, raw_bin_data):
+        """Decode raw (binary) data into abstract representation. Overloaded by specific classes."""
+        method = getattr(self, '_decode_bin', None)
+        if callable(method):
+            return method(raw_bin_data)
+        method = getattr(self, '_decode_hex', None)
+        if callable(method):
+            return method(b2h(raw_bin_data))
+        return {'raw': raw_bin_data.hex()}
+
+    def decode_hex(self, raw_hex_data):
+        """Decode raw (hex string) data into abstract representation. Overloaded by specific classes."""
+        method = getattr(self, '_decode_hex', None)
+        if callable(method):
+            return method(raw_hex_data)
+        raw_bin_data = h2b(raw_hex_data)
+        method = getattr(self, '_decode_bin', None)
+        if callable(method):
+            return method(raw_bin_data)
+        return {'raw': raw_bin_data.hex()}
+
+    def encode_bin(self, abstract_data):
+        """Encode abstract representation into raw (binary) data. Overloaded by specific classes."""
+        method = getattr(self, '_encode_bin', None)
+        if callable(method):
+            return method(abstract_data)
+        method = getattr(self, '_encode_hex', None)
+        if callable(method):
+            return h2b(method(abstract_data))
+        raise NotImplementedError
+
+    def encode_hex(self, abstract_data):
+        """Encode abstract representation into raw (hex string) data. Overloaded by specific classes."""
+        method = getattr(self, '_encode_hex', None)
+        if callable(method):
+            return method(abstract_data)
+        method = getattr(self, '_encode_bin', None)
+        if callable(method):
+            raw_bin_data = method(abstract_data)
+            return b2h(raw_bin_data)
+        raise NotImplementedError
+
+
+class LinFixedEF(CardEF):
+    """Linear Fixed EF (Entry File) in the smart card filesystem"""
+
+    @with_default_category('Linear Fixed EF Commands')
+    class ShellCommands(CommandSet):
+        def __init__(self):
+            super().__init__()
+
+        read_rec_parser = argparse.ArgumentParser()
+        read_rec_parser.add_argument('record_nr', type=int, help='Number of record to be read')
+        @cmd2.with_argparser(read_rec_parser)
+        def do_read_record(self, opts):
+            """Read a record from a record-oriented EF"""
+            (data, sw) = self._cmd.rs.read_record(opts.record_nr)
+            self._cmd.poutput(data)
+
+        read_rec_dec_parser = argparse.ArgumentParser()
+        read_rec_dec_parser.add_argument('record_nr', type=int, help='Number of record to be read')
+        @cmd2.with_argparser(read_rec_dec_parser)
+        def do_read_record_decoded(self, opts):
+            """Read + decode a record from a record-oriented EF"""
+            (data, sw) = self._cmd.rs.read_record_dec(opts.record_nr)
+            self._cmd.poutput(json.dumps(data, indent=4))
+
+        upd_rec_parser = argparse.ArgumentParser()
+        upd_rec_parser.add_argument('record_nr', type=int, help='Number of record to be read')
+        upd_rec_parser.add_argument('data', help='Data bytes (hex format) to write')
+        @cmd2.with_argparser(upd_rec_parser)
+        def do_update_record(self, opts):
+            """Update (write) data to a record-oriented EF"""
+            (data, sw) = self._cmd.rs.update_record(opts.record_nr, opts.data)
+            self._cmd.poutput(data)
+
+        upd_rec_dec_parser = argparse.ArgumentParser()
+        upd_rec_dec_parser.add_argument('record_nr', type=int, help='Number of record to be read')
+        upd_rec_dec_parser.add_argument('data', help='Data bytes (hex format) to write')
+        @cmd2.with_argparser(upd_rec_dec_parser)
+        def do_update_record_decoded(self, opts):
+            """Encode + Update (write) data to a record-oriented EF"""
+            (data, sw) = self._cmd.rs.update_record_dec(opts.record_nr, opts.data)
+            self._cmd.poutput(data)
+
+    def __init__(self, fid, sfid=None, name=None, desc=None, parent=None, rec_len={1,None}):
+        super().__init__(fid=fid, sfid=sfid, name=name, desc=desc, parent=parent)
+        self.rec_len = rec_len
+        self.shell_commands = [self.ShellCommands()]
+
+    def decode_record_hex(self, raw_hex_data):
+        """Decode raw (hex string) data into abstract representation. Overloaded by specific classes."""
+        method = getattr(self, '_decode_record_hex', None)
+        if callable(method):
+            return method(raw_hex_data)
+        raw_bin_data = h2b(raw_hex_data)
+        method = getattr(self, '_decode_record_bin', None)
+        if callable(method):
+            return method(raw_bin_data)
+        return {'raw': raw_bin_data.hex()}
+
+    def decode_record_bin(self, raw_bin_data):
+        """Decode raw (binary) data into abstract representation. Overloaded by specific classes."""
+        method = getattr(self, '_decode_record_bin', None)
+        if callable(method):
+            return method(raw_bin_data)
+        raw_hex_data = b2h(raw_bin_data)
+        method = getattr(self, '_decode_record_hex', None)
+        if callable(method):
+            return method(raw_hex_data)
+        return {'raw': raw_hex_data}
+
+    def encode_record_hex(self, abstract_data):
+        """Encode abstract representation into raw (hex string) data. Overloaded by specific classes."""
+        method = getattr(self, '_encode_record_hex', None)
+        if callable(method):
+            return method(abstract_data)
+        method = getattr(self, '_encode_record_bin', None)
+        if callable(method):
+            raw_bin_data = method(abstract_data)
+            return b2h(raww_bin_data)
+        raise NotImplementedError
+
+    def encode_record_bin(self, abstract_data):
+        """Encode abstract representation into raw (binary) data. Overloaded by specific classes."""
+        method = getattr(self, '_encode_record_bin', None)
+        if callable(method):
+            return method(abstract_data)
+        method = getattr(self, '_encode_record_hex', None)
+        if callable(method):
+            return b2h(method(abstract_data))
+        raise NotImplementedError
+
+class CyclicEF(LinFixedEF):
+    """Cyclic EF (Entry File) in the smart card filesystem"""
+    # we don't really have any special support for those; just recycling LinFixedEF here
+    def __init__(self, fid, sfid=None, name=None, desc=None, parent=None, rec_len={1,None}):
+        super().__init__(fid=fid, sfid=sfid, name=name, desc=desc, parent=parent, rec_len=rec_len)
+
+class TransRecEF(TransparentEF):
+    """Transparent EF (Entry File) containing fixed-size records.
+    These are the real odd-balls and mostly look like mistakes in the specification:
+    Specified as 'transparent' EF, but actually containing several fixed-length records
+    inside.
+    We add a special class for those, so the user only has to provide encoder/decoder functions
+    for a record, while this class takes care of split / merge of records.
+    """
+    def __init__(self, fid, sfid=None, name=None, desc=None, parent=None, rec_len=None, size={1,None}):
+        super().__init__(fid=fid, sfid=sfid, name=name, desc=desc, parent=parent, size=size)
+        self.rec_len = rec_len
+
+    def decode_record_hex(self, raw_hex_data):
+        """Decode raw (hex string) data into abstract representation. Overloaded by specific classes."""
+        method = getattr(self, '_decode_record_hex', None)
+        if callable(method):
+            return method(raw_hex_data)
+        method = getattr(self, '_decode_record_bin', None)
+        if callable(method):
+            raw_bin_data = h2b(raw_hex_data)
+            return method(raw_bin_data)
+        return {'raw': raw_hex_data}
+
+    def decode_record_bin(self, raw_bin_data):
+        """Decode raw (hex string) data into abstract representation. Overloaded by specific classes."""
+        method = getattr(self, '_decode_record_bin', None)
+        if callable(method):
+            return method(raw_bin_data)
+        raw_hex_data = b2h(raw_bin_data)
+        method = getattr(self, '_decode_record_hex', None)
+        if callable(method):
+            return method(raw_hex_data)
+        return {'raw': raw_hex_data}
+
+    def encode_record_hex(self, abstract_data):
+        """Encode abstract representation into raw (hex string) data. Overloaded by specific classes."""
+        method = getattr(self, '_encode_record_hex', None)
+        if callable(method):
+            return method(abstract_data)
+        method = getattr(self, '_encode_record_bin', None)
+        if callable(method):
+            return h2b(method(abstract_data))
+        raise NotImplementedError
+
+    def encode_record_bin(self, abstract_data):
+        """Encode abstract representation into raw (binary) data. Overloaded by specific classes."""
+        method = getattr(self, '_encode_record_bin', None)
+        if callable(method):
+            return method(abstract_data)
+        method = getattr(self, '_encode_record_hex', None)
+        if callable(method):
+            return h2b(method(abstract_data))
+        raise NotImplementedError
+
+    def _decode_bin(self, raw_bin_data):
+        chunks = [raw_bin_data[i:i+self.rec_len] for i in range(0, len(raw_bin_data), self.rec_len)]
+        return [self.decode_record_bin(x) for x in chunks]
+
+    def _encode_bin(self, abstract_data):
+        chunks = [self.encode_record_bin(x) for x in abstract_data]
+        # FIXME: pad to file size
+        return b''.join(chunks)
+
+
+
+
+
+class RuntimeState(object):
+    """Represent the runtime state of a session with a card."""
+    def __init__(self, card, profile):
+        self.mf = CardMF()
+        self.card = card
+        self.selected_file = self.mf
+        self.profile = profile
+        # add applications + MF-files from profile
+        for a in self.profile.applications:
+            self.mf.add_application(a)
+        for f in self.profile.files_in_mf:
+            self.mf.add_file(f)
+
+    def get_cwd(self):
+        """Obtain the current working directory."""
+        if isinstance(self.selected_file, CardDF):
+            return self.selected_file
+        else:
+            return self.selected_file.parent
+
+    def get_application(self):
+        """Obtain the currently selected application (if any)."""
+        # iterate upwards from selected file; check if any is an ADF
+        node = self.selected_file
+        while node.parent != node:
+            if isinstance(node, CardADF):
+                return node
+            node = node.parent
+        return None
+
+    def interpret_sw(self, sw):
+        """Interpret the given SW relative to the currently selected Application
+           or the underlying profile."""
+        app = self.get_application()
+        if app:
+            # The application either comes with its own interpret_sw
+            # method or we will use the interpret_sw method from the
+            # card profile.
+            if hasattr(app, "interpret_sw"):
+                return app.interpret_sw(sw)
+            else:
+                return self.profile.interpret_sw(sw)
+            return app.interpret_sw(sw)
+        else:
+            return self.profile.interpret_sw(sw)
+
+    def select(self, name, cmd_app=None):
+        """Change current directory"""
+        sels = self.selected_file.get_selectables()
+        if name in sels:
+            f = sels[name]
+            # unregister commands of old file
+            if cmd_app and self.selected_file.shell_commands:
+                for c in self.selected_file.shell_commands:
+                    cmd_app.unregister_command_set(c)
+            try:
+                if isinstance(f, CardADF):
+                    (data, sw) = self.card._scc.select_adf(f.aid)
+                else:
+                    (data, sw) = self.card._scc.select_file(f.fid)
+                self.selected_file = f
+            except SwMatchError as swm:
+                k = self.interpret_sw(swm.sw_actual)
+                if not k:
+                    raise(swm)
+                raise RuntimeError("%s: %s - %s" % (swm.sw_actual, k[0], k[1]))
+            # register commands of new file
+            if cmd_app and self.selected_file.shell_commands:
+                for c in self.selected_file.shell_commands:
+                    cmd_app.register_command_set(c)
+            return f.decode_select_response(data)
+        #elif looks_like_fid(name):
+        else:
+            raise ValueError("Cannot select unknown %s" % (name))
+
+    def read_binary(self, length=None, offset=0):
+        if not isinstance(self.selected_file, TransparentEF):
+            raise TypeError("Only works with TransparentEF")
+        return self.card._scc.read_binary(self.selected_file.fid, length, offset)
+
+    def read_binary_dec(self):
+        (data, sw) = self.read_binary()
+        dec_data = self.selected_file.decode_hex(data)
+        print("%s: %s -> %s" % (sw, data, dec_data))
+        return (dec_data, sw)
+
+    def update_binary(self, data_hex, offset=0):
+        if not isinstance(self.selected_file, TransparentEF):
+            raise TypeError("Only works with TransparentEF")
+        return self.card._scc.update_binary(self.selected_file.fid, data_hex, offset)
+
+    def update_binary_dec(self, data):
+        data_hex = self.selected_file.encode_hex(data)
+        print("%s -> %s" % (data, data_hex))
+        return self.update_binary(data_hex)
+
+    def read_record(self, rec_nr=0):
+        if not isinstance(self.selected_file, LinFixedEF):
+            raise TypeError("Only works with Linear Fixed EF")
+        # returns a string of hex nibbles
+        return self.card._scc.read_record(self.selected_file.fid, rec_nr)
+
+    def read_record_dec(self, rec_nr=0):
+        (data, sw) = self.read_record(rec_nr)
+        return (self.selected_file.decode_record_hex(data), sw)
+
+    def update_record(self, rec_nr, data_hex):
+        if not isinstance(self.selected_file, LinFixedEF):
+            raise TypeError("Only works with Linear Fixed EF")
+        return self.card._scc.update_record(self.selected_file.fid, rec_nr, data_hex)
+
+    def update_record_dec(self, rec_nr, data):
+        hex_data = self.selected_file.encode_record_hex(data)
+        return self.update_record(self, rec_nr, data_hex)
+
+
+
+class FileData(object):
+    """Represent the runtime, on-card data."""
+    def __init__(self, fdesc):
+        self.desc = fdesc
+        self.fcp = None
+
+
+def interpret_sw(sw_data, sw):
+    """Interpret a given status word within the profile.  Returns tuple of
+       two strings"""
+    for class_str, swdict in sw_data.items():
+        # first try direct match
+        if sw in swdict:
+            return (class_str, swdict[sw])
+        # next try wildcard matches
+        for pattern, descr in swdict.items():
+            if sw_match(sw, pattern):
+                return (class_str, descr)
+    return None
+
+class CardApplication(object):
+    """A card application is represented by an ADF (with contained hierarchy) and optionally
+       some SW definitions."""
+    def __init__(self, name, adf=None, sw={}):
+        self.name = name
+        self.adf = adf
+        self.sw = sw
+
+    def __str__(self):
+        return "APP(%s)" % (self.name)
+
+    def interpret_sw(self, sw):
+        """Interpret a given status word within the application.  Returns tuple of
+           two strings"""
+        return interpret_sw(self.sw, sw)
+
+class CardProfile(object):
+    """A Card Profile describes a card, it's filessystem hierarchy, an [initial] list of
+       applications as well as profile-specific SW and shell commands.  Every card has
+       one card profile, but there may be multiple applications within that profile."""
+    def __init__(self, name, desc=None, files_in_mf=[], sw=[], applications=[], shell_cmdsets=[]):
+        self.name = name
+        self.desc = desc
+        self.files_in_mf = files_in_mf
+        self.sw = sw
+        self.applications = applications
+        self.shell_cmdsets = shell_cmdsets
+
+    def __str__(self):
+        return self.name
+
+    def add_application(self, app):
+        self.applications.add(app)
+
+    def interpret_sw(self, sw):
+        """Interpret a given status word within the profile.  Returns tuple of
+           two strings"""
+        return interpret_sw(self.sw, sw)
+
+
+######################################################################
+
+if __name__ == '__main__':
+    mf = CardMF()
+
+    adf_usim = ADF('a0000000871002', name='ADF_USIM')
+    mf.add_application(adf_usim)
+    df_pb = CardDF('5f3a', name='DF.PHONEBOOK')
+    adf_usim.add_file(df_pb)
+    adf_usim.add_file(TransparentEF('6f05', name='EF.LI', size={2,16}))
+    adf_usim.add_file(TransparentEF('6f07', name='EF.IMSI', size={9,9}))
+
+    rss = RuntimeState(mf, None)
+
+    interp = code.InteractiveConsole(locals={'mf':mf, 'rss':rss})
+    interp.interact()
diff --git a/pySim/ts_102_221.py b/pySim/ts_102_221.py
new file mode 100644
index 0000000..256a697
--- /dev/null
+++ b/pySim/ts_102_221.py
@@ -0,0 +1,297 @@
+# coding=utf-8
+"""Utilities / Functions related to ETSI TS 102 221, the core UICC spec.
+
+(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 pytlv.TLV import *
+from struct import pack, unpack
+from pySim.utils import *
+from pySim.filesystem import *
+
+
+FCP_TLV_MAP = {
+    '82': 'file_descriptor',
+    '83': 'file_identifier',
+    '84': 'df_name',
+    'A5': 'proprietary_info',
+    '8A': 'life_cycle_status_int',
+    '8B': 'security_attrib_ref_expanded',
+    '8C': 'security_attrib_compact',
+    'AB': 'security_attrib_espanded',
+    'C6': 'pin_status_template_do',
+    '80': 'file_size',
+    '81': 'total_file_size',
+    '88': 'short_file_id',
+    }
+
+# ETSI TS 102 221 11.1.1.4.6
+FCP_Proprietary_TLV_MAP = {
+    '80': 'uicc_characteristics',
+    '81': 'application_power_consumption',
+    '82': 'minimum_app_clock_freq',
+    '83': 'available_memory',
+    '84': 'file_details',
+    '85': 'reserved_file_size',
+    '86': 'maximum_file_size',
+    '87': 'suported_system_commands',
+    '88': 'specific_uicc_env_cond',
+    '89': 'p2p_cat_secured_apdu',
+    # Additional private TLV objects (bits b7 and b8 of the first byte of the tag set to '1')
+    }
+
+# ETSI TS 102 221 11.1.1.4.3
+def interpret_file_descriptor(in_hex):
+    in_bin = h2b(in_hex)
+    out = {}
+    ft_dict = {
+        0: 'working_ef',
+        1: 'internal_ef',
+        7: 'df'
+    }
+    fs_dict = {
+        0: 'no_info_given',
+        1: 'transparent',
+        2: 'linear_fixed',
+        6: 'cyclic',
+    }
+    fdb = in_bin[0]
+    ftype = (fdb >> 3) & 7
+    fstruct = fdb & 7
+    out['shareable'] = True if fdb & 0x40 else False
+    out['file_type'] = ft_dict[ftype] if ftype in ft_dict else ftype
+    out['structure'] = fs_dict[fstruct] if fstruct in fs_dict else fstruct
+    if len(in_bin) >= 5:
+        out['record_len'] = int.from_bytes(in_bin[2:4], 'big')
+        out['num_of_rec'] = int.from_bytes(in_bin[4:5], 'big')
+    return out
+
+# ETSI TS 102 221 11.1.1.4.9
+def interpret_life_cycle_sts_int(in_hex):
+    lcsi = int(in_hex, 16)
+    if lcsi == 0x00:
+        return 'no_information'
+    elif lcsi == 0x01:
+        return 'creation'
+    elif lcsi == 0x03:
+        return 'initialization'
+    elif lcsi & 0x05 == 0x05:
+        return 'operational_activated'
+    elif lcsi & 0x05 == 0x04:
+        return 'operational_deactivated'
+    elif lcsi & 0xc0 == 0xc0:
+        return 'termination'
+    else:
+        return in_hex
+
+# ETSI TS 102 221 11.1.1.4.10
+FCP_Pin_Status_TLV_MAP = {
+    '90': 'ps_do',
+    '95': 'usage_qualifier',
+    '83': 'key_reference',
+    }
+
+def interpret_ps_templ_do(in_hex):
+    # cannot use the 'TLV' parser due to repeating tags
+    #psdo_tlv = TLV(FCP_Pin_Status_TLV_MAP)
+    #return psdo_tlv.parse(in_hex)
+    return in_hex
+
+# 'interpreter' functions for each tag
+FCP_interpreter_map = {
+    '80': lambda x: int(x, 16),
+    '82': interpret_file_descriptor,
+    '8A': interpret_life_cycle_sts_int,
+    'C6': interpret_ps_templ_do,
+    }
+
+FCP_prorietary_interpreter_map = {
+    '83': lambda x: int(x, 16),
+    }
+
+# pytlv unfortunately doesn't have a setting using which we can make it
+# accept unknown tags.  It also doesn't raise a specific exception type but
+# just the generic ValueError, so we cannot ignore those either.  Instead,
+# we insert a dict entry for every possible proprietary tag permitted
+def fixup_fcp_proprietary_tlv_map(tlv_map):
+    if 'D0' in tlv_map:
+        return
+    for i in range(0xd0, 0xff):
+        i_hex = i2h([i]).upper()
+        tlv_map[i_hex] = 'proprietary_' + i_hex
+
+
+def tlv_key_replace(inmap, indata):
+    def newkey(inmap, key):
+        if key in inmap:
+            return inmap[key]
+        else:
+            return key
+    return {newkey(inmap, d[0]): d[1] for d in indata.items()}
+
+def tlv_val_interpret(inmap, indata):
+    def newval(inmap, key, val):
+        if key in inmap:
+            return inmap[key](val)
+        else:
+            return val
+    return {d[0]: newval(inmap, d[0], d[1]) for d in indata.items()}
+
+
+# ETSI TS 102 221 Section 11.1.1.3
+def decode_select_response(resp_hex):
+    fixup_fcp_proprietary_tlv_map(FCP_Proprietary_TLV_MAP)
+    resp_hex = resp_hex.upper()
+    # outer layer
+    fcp_base_tlv = TLV(['62'])
+    fcp_base = fcp_base_tlv.parse(resp_hex)
+    # actual FCP
+    fcp_tlv = TLV(FCP_TLV_MAP)
+    fcp = fcp_tlv.parse(fcp_base['62'])
+    # further decode the proprietary information
+    if fcp['A5']:
+        prop_tlv = TLV(FCP_Proprietary_TLV_MAP)
+        prop = prop_tlv.parse(fcp['A5'])
+        fcp['A5'] = tlv_val_interpret(FCP_prorietary_interpreter_map, prop)
+        fcp['A5'] = tlv_key_replace(FCP_Proprietary_TLV_MAP, fcp['A5'])
+    # finally make sure we get human-readable keys in the output dict
+    r = tlv_val_interpret(FCP_interpreter_map, fcp)
+    return tlv_key_replace(FCP_TLV_MAP, r)
+
+
+# TS 102 221 Section 13.1
+class EF_DIR(LinFixedEF):
+    def __init__(self, fid='2f00', sfid=0x1e, name='EF.DIR', desc='Application Directory'):
+        super().__init__(fid, sfid=sfid, name=name, desc=desc, rec_len={5,54})
+
+    def _decode_record_hex(self, raw_hex_data):
+        raw_hex_data = raw_hex_data.upper()
+        atempl_base_tlv = TLV(['61'])
+        atempl_base = atempl_base_tlv.parse(raw_hex_data)
+        atempl_TLV_MAP = {'4F': 'aid_value', 50:'label'}
+        atempl_tlv = TLV(atempl_TLV_MAP)
+        atempl = atempl_tlv.parse(atempl_base['61'])
+        # FIXME: "All other Dos are according to ISO/IEC 7816-4"
+        return tlv_key_replace(atempl_TLV_MAP, atempl)
+
+# TS 102 221 Section 13.2
+class EF_ICCID(TransparentEF):
+    def __init__(self, fid='2fe2', sfid=0x02, name='EF.ICCID', desc='ICC Identification'):
+        super().__init__(fid, sfid=sfid, name=name, desc=desc, size={10,10})
+
+    def _decode_hex(self, raw_hex):
+        return {'iccid': dec_iccid(raw_hex)}
+
+    def _encode_hex(self, abstract):
+        return enc_iccid(abstract['iccid'])
+
+# TS 102 221 Section 13.3
+class EF_PL(TransRecEF):
+    def __init__(self, fid='2f05', sfid=0x05, name='EF.PL', desc='Preferred Languages'):
+        super().__init__(fid, sfid=sfid, name=name, desc=desc, rec_len=2, size={2,None})
+
+# TS 102 221 Section 13.4
+class EF_ARR(LinFixedEF):
+    def __init__(self, fid='2f06', sfid=0x06, name='EF.ARR', desc='Access Rule Reference'):
+        super().__init__(fid, sfid=sfid, name=name, desc=desc)
+
+# TS 102 221 Section 13.6
+class EF_UMPC(TransparentEF):
+    def __init__(self, fid='2f08', sfid=0x08, name='EF.UMPC', desc='UICC Maximum Power Consumption'):
+        super().__init__(fid, sfid=sfid, name=name, desc=desc, size={5,5})
+
+
+
+class CardProfileUICC(CardProfile):
+    def __init__(self):
+        files = [
+            EF_DIR(),
+            EF_ICCID(),
+            EF_PL(),
+            EF_ARR(),
+            # FIXME: DF.CD
+            EF_UMPC(),
+        ]
+        sw = {
+          'Normal': {
+            '9000': 'Normal ending of the command',
+            '91xx': 'Normal ending of the command, with extra information from the proactive UICC containing a command for the terminal',
+            '92xx': 'Normal ending of the command, with extra information concerning an ongoing data transfer session',
+            },
+          'Postponed processing': {
+            '9300': 'SIM Application Toolkit is busy. Command cannot be executed at present, further normal commands are allowed',
+            },
+          'Warnings': {
+            '6200': 'No information given, state of non-volatile memory unchanged',
+            '6281': 'Part of returned data may be corrupted',
+            '6282': 'End of file/record reached before reading Le bytes or unsuccessful search',
+            '6283': 'Selected file invalidated',
+            '6284': 'Selected file in termination state',
+            '62f1': 'More data available',
+            '62f2': 'More data available and proactive command pending',
+            '62f3': 'Response data available',
+            '63f1': 'More data expected',
+            '63f2': 'More data expected and proactive command pending',
+            '63cx': 'Command successful but after using an internal update retry routine X times',
+            },
+          'Execution errors': {
+            '6400': 'No information given, state of non-volatile memory unchanged',
+            '6500': 'No information given, state of non-volatile memory changed',
+            '6581': 'Memory problem',
+            },
+          'Checking errors': {
+            '6700': 'Wrong length',
+            '67xx': 'The interpretation of this status word is command dependent',
+            '6b00': 'Wrong parameter(s) P1-P2',
+            '6d00': 'Instruction code not supported or invalid',
+            '6e00': 'Class not supported',
+            '6f00': 'Technical problem, no precise diagnosis',
+            '6fxx': 'The interpretation of this status word is command dependent',
+            },
+          'Functions in CLA not supported': {
+            '6800': 'No information given',
+            '6881': 'Logical channel not supported',
+            '6882': 'Secure messaging not supported',
+            },
+          'Command not allowed': {
+            '6900': 'No information given',
+            '6981': 'Command incompatible with file structure',
+            '6982': 'Security status not satisfied',
+            '6983': 'Authentication/PIN method blocked',
+            '6984': 'Referenced data invalidated',
+            '6985': 'Conditions of use not satisfied',
+            '6986': 'Command not allowed (no EF selected)',
+            '6989': 'Command not allowed - secure channel - security not satisfied',
+            },
+          'Wrong parameters': {
+            '6a80': 'Incorrect parameters in the data field',
+            '6a81': 'Function not supported',
+            '6a82': 'File not found',
+            '6a83': 'Record not found',
+            '6a84': 'Not enough memory space',
+            '6a86': 'Incorrect parameters P1 to P2',
+            '6a87': 'Lc inconsistent with P1 to P2',
+            '6a88': 'Referenced data not found',
+            },
+          'Application errors': {
+            '9850': 'INCREASE cannot be performed, max value reached',
+            '9862': 'Authentication error, application specific',
+            '9863': 'Security session or association expired',
+            '9864': 'Minimum UICC suspension time is too long',
+            },
+          }
+
+        super().__init__('UICC', 'ETSI TS 102 221', files, sw)
diff --git a/pySim/ts_31_102.py b/pySim/ts_31_102.py
index e7f27b0..02b0aea 100644
--- a/pySim/ts_31_102.py
+++ b/pySim/ts_31_102.py
@@ -263,3 +263,134 @@ EF_USIM_ADF_map = {
 	'ePDGIdEm': '6FF5',
 	'ePDGSelectionEm': '6FF6',
 }
+
+######################################################################
+# ADF.USIM
+######################################################################
+
+from pySim.filesystem import *
+from pySim.ts_51_011 import EF_IMSI, EF_xPLMNwAcT, EF_SPN, EF_CBMI, EF_ACC, EF_PLMNsel, EF_AD
+from pySim.ts_51_011 import EF_CBMID, EF_ECC, EF_CBMIR
+
+import pySim.ts_102_221
+
+class EF_LI(TransRecEF):
+    def __init__(self, fid='6f05', sfid=None, name='EF.LI', size={2,None}, rec_len=2,
+                 desc='Language Indication'):
+        super().__init__(fid, sfid=sfid, name=name, desc=desc, size=size, rec_len=rec_len)
+    def _decode_record_bin(self, in_bin):
+        if in_bin == b'\xff\xff':
+            return None
+        else:
+            # officially this is 7-bit GSM alphabet with one padding bit in each byte
+            return in_bin.decode('ascii')
+    def _encode_record_bin(self, in_json):
+        if in_json == None:
+            return b'\xff\xff'
+        else:
+            # officially this is 7-bit GSM alphabet with one padding bit in each byte
+            return in_json.encode('ascii')
+
+class EF_Keys(TransparentEF):
+    def __init__(self, fid='6f08', sfid=0x08, name='EF.Keys', size={33,33},
+                 desc='Ciphering and Integrity Keys'):
+        super().__init__(fid, sfid=sfid, name=name, desc=desc, size=size)
+    def _decode_bin(self, in_bin):
+        return {'ksi': in_bin[0],
+                'ck': b2h(in_bin[1:17]),
+                'ik': b2h(in_bin[17:33])}
+    def _encode_bin(self, in_json):
+        return h2b(in_json['ksi']) + h2b(in_json['ck']) + h2b(in_json['ik'])
+
+# TS 31.103 Section 4.2.7
+class EF_UST(TransparentEF):
+    def __init__(self, fid='6f38', sfid=0x04, name='EF.UST', desc='USIM Service Table'):
+        super().__init__(fid=fid, sfid=sfid, name=name, desc=desc, size={1,17})
+        # add those commands to the general commands of a TransparentEF
+        self.shell_commands += [self.AddlShellCommands()]
+    def _decode_bin(self, in_bin):
+        ret = []
+        for i in range (0, len(in_bin)):
+            byte = in_bin[i]
+            for bitno in range(0,7):
+                if byte & (1 << bitno):
+                    ret.append(i * 8 + bitno + 1)
+        return ret
+    def _encode_bin(self, in_json):
+        # FIXME: size this to length of file
+        ret = bytearray(20)
+        for srv in in_json:
+            print("srv=%d"%srv)
+            srv = srv-1
+            byte_nr = srv // 8
+            # FIXME: detect if service out of range was selected
+            bit_nr = srv % 8
+            ret[byte_nr] |= (1 << bit_nr)
+        return ret
+    @with_default_category('File-Specific Commands')
+    class AddlShellCommands(CommandSet):
+        def __init__(self):
+            super().__init__()
+
+        def do_ust_service_activate(self, arg):
+            """Activate a service within EF.UST"""
+            self._cmd.card.update_ust(int(arg), 1)
+
+        def do_ust_service_deactivate(self, arg):
+            """Deactivate a service within EF.UST"""
+            self._cmd.card.update_ust(int(arg), 0)
+
+
+class ADF_USIM(CardADF):
+    def __init__(self, aid='a0000000871002', name='ADF.USIM', fid=None, sfid=None,
+                 desc='USIM Application'):
+        super().__init__(aid=aid, fid=fid, sfid=sfid, name=name, desc=desc)
+        self.shell_commands = [self.ShellCommands()]
+
+        files = [
+          EF_LI(sfid=0x02),
+          EF_IMSI(sfid=0x07),
+          EF_Keys(),
+          EF_Keys('6f09', 0x09, 'EF.KeysPS', desc='Ciphering and Integrity Keys for PS domain'),
+          EF_xPLMNwAcT('6f60', 0x0a, 'EF.PLMNwAcT',
+                       'User controlled PLMN Selector with Access Technology'),
+          TransparentEF('6f31', 0x12, 'EF.HPPLMN', 'Higher Priority PLMN search period'),
+          # EF.ACMmax
+          EF_UST(),
+          CyclicEF('6f39', None, 'EF.ACM', 'Accumulated call meter', rec_len={3,3}),
+          TransparentEF('6f3e', None, 'EF.GID1', 'Group Identifier Level 1'),
+          TransparentEF('6f3f', None, 'EF.GID2', 'Group Identifier Level 2'),
+          EF_SPN(),
+          TransparentEF('6f41', None, 'EF.PUCT', 'Price per unit and currency table', size={5,5}),
+          EF_CBMI(),
+          EF_ACC(sfid=0x06),
+          EF_PLMNsel('6f7b', 0x0d, 'EF.FPLMN', 'Forbidden PLMNs', size={12,None}),
+          TransparentEF('6f7e', 0x0b, 'EF.LOCI', 'Locationn information', size={11,11}),
+          EF_AD(sfid=0x03),
+          EF_CBMID(sfid=0x0e),
+          EF_ECC(sfid=0x01),
+          EF_CBMIR(),
+          ]
+        self.add_files(files)
+
+    def decode_select_response(self, data_hex):
+        return pySim.ts_102_221.decode_select_response(data_hex)
+
+    @with_default_category('File-Specific Commands')
+    class ShellCommands(CommandSet):
+        def __init__(self):
+            super().__init__()
+
+
+# TS 31.102 Section 7.3
+sw_usim = {
+    'Security management': {
+        '9862': 'Authentication error, incorrect MAC',
+        '9864': 'Authentication error, security context not supported',
+        '9865': 'Key freshness failure',
+        '9866': 'Authentication error, no memory space available',
+        '9867': 'Authentication error, no memory space available in EF MUK',
+    }
+}
+
+CardApplicationUSIM = CardApplication('USIM', adf=ADF_USIM(), sw=sw_usim)
diff --git a/pySim/ts_31_103.py b/pySim/ts_31_103.py
index d9b771d..0b0a4f1 100644
--- a/pySim/ts_31_103.py
+++ b/pySim/ts_31_103.py
@@ -6,6 +6,7 @@ Various constants from ETSI TS 131 103 V14.2.0
 
 #
 # Copyright (C) 2020 Supreeth Herle <herlesupreeth@gmail.com>
+# Copyright (C) 2021 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
@@ -21,6 +22,11 @@ Various constants from ETSI TS 131 103 V14.2.0
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 
+from pySim.filesystem import *
+from pySim.utils import *
+from pySim.ts_51_011 import EF_AD
+import pySim.ts_102_221
+
 # Mapping between ISIM Service Number and its description
 EF_IST_map = {
 	1: 'P-CSCF address',
@@ -66,3 +72,130 @@ EF_ISIM_ADF_map = {
 	'XCAPConfigData': '6FFC',
 	'WebRTCURI': '6FFA'
 }
+
+# TS 31.103 Section 4.2.2
+class EF_IMPI(TransparentEF):
+    def __init__(self, fid='6f02', sfid=0x02, name='EF.IMPI', desc='IMS private user identity'):
+        super().__init__(fid=fid, sfid=sfid, name=name, desc=desc)
+
+# TS 31.103 Section 4.2.3
+class EF_DOMAIN(TransparentEF):
+    def __init__(self, fid='6f05', sfid=0x05, name='EF.DOMAIN', desc='Home Network Domain Name'):
+        super().__init__(fid=fid, sfid=sfid, name=name, desc=desc)
+
+# TS 31.103 Section 4.2.4
+class EF_IMPU(LinFixedEF):
+    def __init__(self, fid='6f04', sfid=0x04, name='EF.IMPU', desc='IMS public user identity'):
+        super().__init__(fid=fid, sfid=sfid, name=name, desc=desc)
+
+# TS 31.103 Section 4.2.6
+class EF_ARR(LinFixedEF):
+    def __init__(self, fid='6f06', sfid=0x06, name='EF.ARR', desc='Access Rule Reference'):
+        super().__init__(fid=fid, sfid=sfid, name=name, desc=desc)
+
+# TS 31.103 Section 4.2.7
+class EF_IST(TransparentEF):
+    def __init__(self, fid='6f07', sfid=0x07, name='EF.IST', desc='ISIM Service Table'):
+        super().__init__(fid=fid, sfid=sfid, name=name, desc=desc, size={1,4})
+        # add those commands to the general commands of a TransparentEF
+        self.shell_commands += [self.AddlShellCommands()]
+
+    @with_default_category('File-Specific Commands')
+    class AddlShellCommands(CommandSet):
+        def __init__(self):
+            super().__init__()
+
+        def do_ist_service_activate(self, arg):
+            """Activate a service within EF.IST"""
+            self._cmd.card.update_ist(int(arg), 1)
+
+        def do_ist_service_deactivate(self, arg):
+            """Deactivate a service within EF.IST"""
+            self._cmd.card.update_ist(int(arg), 0)
+
+# TS 31.103 Section 4.2.8
+class EF_PCSCF(LinFixedEF):
+    def __init__(self, fid='6f09', sfid=None, name='EF.P-CSCF', desc='P-CSCF Address'):
+        super().__init__(fid=fid, sfid=sfid, name=name, desc=desc)
+    def _decode_record_hex(self, raw_hex):
+        # FIXME: this doesn't do JSON output
+        return dec_addr_tlv(raw_hex)
+    def _encode_record_hex(self, json_in):
+        return enc_addr_tlv(json_in)
+
+# TS 31.103 Section 4.2.9
+class EF_GBABP(LinFixedEF):
+    def __init__(self, fid='6fd5', sfid=None, name='EF.GBABP', desc='GBA Bootstrappng'):
+        super().__init__(fid=fid, sfid=sfid, name=name, desc=desc)
+
+# TS 31.103 Section 4.2.10
+class EF_GBANL(LinFixedEF):
+    def __init__(self, fid='6fd7', sfid=None, name='EF.GBANL', desc='GBA NAF List'):
+        super().__init__(fid=fid, sfid=sfid, name=name, desc=desc)
+
+# TS 31.103 Section 4.2.11
+class EF_NAFKCA(LinFixedEF):
+    def __init__(self, fid='6fdd', sfid=None, name='EF.NAFKCA', desc='NAF Key Centre Address'):
+        super().__init__(fid=fid, sfid=sfid, name=name, desc=desc)
+
+# TS 31.103 Section 4.2.16
+class EF_UICCIARI(LinFixedEF):
+    def __init__(self, fid='6fe7', sfid=None, name='EF.UICCIARI', desc='UICC IARI'):
+        super().__init__(fid=fid, sfid=sfid, name=name, desc=desc)
+
+# TS 31.103 Section 4.2.18
+class EF_IMSConfigData(TransparentEF):
+    def __init__(self, fid='6ff8', sfid=None, name='EF.IMSConfigData', desc='IMS Configuration Data'):
+        super().__init__(fid=fid, sfid=sfid, name=name, desc=desc)
+
+# TS 31.103 Section 4.2.19
+class EF_XCAPConfigData(TransparentEF):
+    def __init__(self, fid='6ffc', sfid=None, name='EF.XCAPConfigData', desc='XCAP Configuration Data'):
+        super().__init__(fid=fid, sfid=sfid, name=name, desc=desc)
+
+# TS 31.103 Section 4.2.20
+class EF_WebRTCURI(TransparentEF):
+    def __init__(self, fid='6ffa', sfid=None, name='EF.WebRTCURI', desc='WebRTC URI'):
+        super().__init__(fid=fid, sfid=sfid, name=name, desc=desc)
+
+
+class ADF_ISIM(CardADF):
+    def __init__(self, aid='a0000000871004', name='ADF.ISIM', fid=None, sfid=None,
+                 desc='ISIM Application'):
+        super().__init__(aid=aid, fid=fid, sfid=sfid, name=name, desc=desc)
+
+        files = [
+            EF_IMPI(),
+            EF_DOMAIN(),
+            EF_IMPU(),
+            EF_AD(),
+            EF_ARR(),
+            EF_IST(),
+            EF_PCSCF(),
+            EF_GBABP(),
+            EF_GBANL(),
+            EF_NAFKCA(),
+            # SMS
+            # SMSS
+            # SMSR
+            #EF_SMSP(),
+            EF_UICCIARI(),
+            # FromPreferred
+            EF_IMSConfigData(),
+            EF_XCAPConfigData(),
+            EF_WebRTCURI(),
+          ]
+        self.add_files(files)
+
+    def decode_select_response(self, data_hex):
+        return pySim.ts_102_221.decode_select_response(data_hex)
+
+# TS 31.103 Section 7.1
+sw_isim = {
+    'Security management': {
+        '9862': 'Authentication error, incorrect MAC',
+        '9864': 'Authentication error, security context not supported',
+    }
+}
+
+CardApplicationISIM = CardApplication('ISIM', adf=ADF_ISIM(), sw=sw_isim)
diff --git a/pySim/ts_51_011.py b/pySim/ts_51_011.py
index ef40ba1..03d74ad 100644
--- a/pySim/ts_51_011.py
+++ b/pySim/ts_51_011.py
@@ -1,10 +1,15 @@
 # -*- coding: utf-8 -*-
 
-""" Various constants from ETSI TS 151.011
+""" Various constants from ETSI TS 151.011 +
+Representation of the GSM SIM/USIM/ISIM filesystem hierarchy.
+
+The File (and its derived classes) uses the classes of pySim.filesystem in
+order to describe the files specified in the relevant ETSI + 3GPP specifications.
 """
 
 #
 # Copyright (C) 2017 Alexander.Chemeris <Alexander.Chemeris@gmail.com>
+# Copyright (C) 2021 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
@@ -323,3 +328,301 @@ EF_AD_mode_map = {
 	'02' : 'maintenance (off line)',
 	'04' : 'cell test operation',
 }
+
+
+from pySim.utils import *
+from struct import pack, unpack
+
+from pySim.filesystem import *
+import pySim.ts_102_221
+
+######################################################################
+# DF.TELECOM
+######################################################################
+
+# TS 51.011 Section 10.5.1
+class EF_ADN(LinFixedEF):
+    def __init__(self, fid='6f3a', sfid=None, name='EF.ADN', desc='Abbreviated Dialing Numbers'):
+        super().__init__(fid, sfid=sfid, name=name, desc=desc, rec_len={14, 30})
+    def _decode_record_bin(self, raw_bin_data):
+        alpha_id_len = len(raw_bin_data) - 14
+        alpha_id = raw_bin_data[:alpha_id_len]
+        u = unpack('!BB10sBB', raw_bin_data[-14:])
+        return {'alpha_id': alpha_id, 'len_of_bcd': u[0], 'ton_npi': u[1],
+                'dialing_nr': u[2], 'cap_conf_id': u[3], 'ext1_record_id': u[4]}
+
+# TS 51.011 Section 10.5.5
+class EF_MSISDN(LinFixedEF):
+    def __init__(self, fid='6f4f', sfid=None, name='EF.MSISDN', desc='MSISDN'):
+        super().__init__(fid, sfid=sfid, name=name, desc=desc, rec_len={15, None})
+    def _decode_record_hex(self, raw_hex_data):
+        return {'msisdn': dec_msisdn(raw_hex_data)}
+    def _encode_record_hex(self, abstract):
+        return enc_msisdn(abstract['msisdn'])
+
+# TS 51.011 Section 10.5.6
+class EF_SMSP(LinFixedEF):
+    def __init__(self, fid='6f42', sfid=None, name='EF.SMSP', desc='Short message service parameters'):
+        super().__init__(fid, sfid=sfid, name=name, desc=desc, rec_len={28, None})
+
+class DF_TELECOM(CardDF):
+    def __init__(self, fid='7f10', name='DF.TELECOM', desc=None):
+        super().__init__(fid=fid, name=name, desc=desc)
+        files = [
+          EF_ADN(),
+          # FDN, SMS, CCP, ECCP
+          EF_MSISDN(),
+          EF_SMSP(),
+          # SMSS, LND, SDN, EXT1, EXT2, EXT3, BDN, EXT4, SMSR, CMI
+          ]
+        self.add_files(files)
+
+    def decode_select_response(self, data_hex):
+        return decode_select_response(data_hex)
+
+######################################################################
+# DF.GSM
+######################################################################
+
+# TS 51.011 Section 10.3.1
+class EF_LP(TransRecEF):
+    def __init__(self, fid='6f05', sfid=None, name='EF.LP', size={1,None}, rec_len=1,
+                 desc='Language Preference'):
+        super().__init__(fid, sfid=sfid, name=name, desc=desc, size=size, rec_len=rec_len)
+    def _decode_record_bin(self, in_bin):
+        return b2h(in_bin)
+    def _encode_record_bin(self, in_json):
+        return h2b(in_json)
+
+# TS 51.011 Section 10.3.2
+class EF_IMSI(TransparentEF):
+    def __init__(self, fid='6f07', sfid=None, name='EF.IMSI', desc='IMSI', size={9,9}):
+        super().__init__(fid, sfid=sfid, name=name, desc=desc, size=size)
+    def _decode_hex(self, raw_hex):
+        return {'imsi': dec_imsi(raw_hex)}
+    def _encode_hex(self, abstract):
+        return enc_imsi(abstract['imsi'])
+
+# TS 51.011 Section 10.3.4
+class EF_PLMNsel(TransRecEF):
+    def __init__(self, fid='6f30', sfid=None, name='EF.PLMNsel', desc='PLMN selector',
+                 size={24,None}, rec_len=3):
+        super().__init__(fid, name=name, sfid=sfid, desc=desc, size=size, rec_len=rec_len)
+    def _decode_record_hex(self, in_hex):
+        if in_hex[:6] == "ffffff":
+            return None
+        else:
+            return dec_plmn(in_hex)
+    def _encode_record_hex(self, in_json):
+        if in_json == None:
+            return "ffffff"
+        else:
+            return enc_plmn(in_json['mcc'], in_json['mnc'])
+
+# TS 51.011 Section 10.3.7
+class EF_ServiceTable(TransparentEF):
+    def __init__(self, fid, sfid, name, desc, size, table):
+        super().__init__(fid, sfid=sfid, name=name, desc=desc, size=size)
+        self.table = table
+    def _decode_bin(self, raw_bin):
+        ret = {}
+        for i in range(0, len(raw_bin)*4):
+            service_nr = i+1
+            byte = int(raw_bin[i//4])
+            bit_offset = (i % 4) * 2
+            bits = (byte >> bit_offset) & 3
+            ret[service_nr] = {
+                     'description': self.table[service_nr] or None,
+                     'allocated': True if bits & 1 else False,
+                     'activated': True if bits & 2 else False,
+                     }
+        return ret
+    # TODO: encoder
+
+# TS 51.011 Section 10.3.11
+class EF_SPN(TransparentEF):
+    def __init__(self, fid='6f46', sfid=None, name='EF.SPN', desc='Service Provider Name', size={17,17}):
+        super().__init__(fid, sfid=sfid, name=name, desc=desc, size=size)
+    def _decode_hex(self, raw_hex):
+        return {'spn': dec_spn(raw_hex)}
+    def _encode_hex(self, abstract):
+        return enc_spn(abstract['spn'])
+
+# TS 51.011 Section 10.3.13
+class EF_CBMI(TransRecEF):
+    def __init__(self, fid='6f45', sfid=None, name='EF.CBMI', size={2,None}, rec_len=2,
+                 desc='Cell Broadcast message identifier selection'):
+        super().__init__(fid, sfid=sfid, name=name, desc=desc, size=size, rec_len=rec_len)
+
+# TS 51.011 Section 10.3.15
+class EF_ACC(TransparentEF):
+    def __init__(self, fid='6f78', sfid=None, name='EF.ACC', desc='Access Control Class', size={2,2}):
+        super().__init__(fid, sfid=sfid, name=name, desc=desc, size=size)
+    def _decode_bin(self, raw_bin):
+        return {'acc': unpack('!H', raw_bin)[0]}
+    def _encode_bin(self, abstract):
+        return pack('!H', abstract['acc'])
+
+# TS 51.011 Section 10.3.18
+class EF_AD(TransparentEF):
+    OP_MODE = {
+            0x00: 'normal operation',
+            0x80: 'type approval operations',
+            0x01: 'normal operation + specific facilities',
+            0x81: 'type approval + specific facilities',
+            0x02: 'maintenance (off line)',
+            0x04: 'cell test operation',
+        }
+    def __init__(self, fid='6fad', sfid=None, name='EF.AD', desc='Administrative Data', size={3,4}):
+        super().__init__(fid, sfid=sfid, name=name, desc=desc, size=size)
+    def _decode_bin(self, raw_bin):
+        u = unpack('!BH', raw_bin[:3])
+
+# TS 51.011 Section 10.3.13
+class EF_CBMID(EF_CBMI):
+    def __init__(self, fid='6f48', sfid=None, name='EF.CBMID', size={2,None}, rec_len=2,
+                 desc='Cell Broadcast Message Identifier for Data Download'):
+        super().__init__(fid, sfid=sfid, name=name, desc=desc, size=size, rec_len=rec_len)
+
+# TS 51.011 Section 10.3.26
+class EF_ECC(LinFixedEF):
+    def __init__(self, fid='6fb7', sfid=None, name='EF.ECC', desc='Emergency Call Codes'):
+        super().__init__(fid, sfid=sfid, name=name, desc=desc, rec_len={4, 20})
+
+# TS 51.011 Section 10.3.28
+class EF_CBMIR(TransRecEF):
+    def __init__(self, fid='6f50', sfid=None, name='EF.CBMIR', size={4,None}, rec_len=4,
+                 desc='Cell Broadcast message identifier range selection'):
+        super().__init__(fid, sfid=sfid, name=name, desc=desc, size=size, rec_len=rec_len)
+
+
+# TS 51.011 Section 10.3.35..37
+class EF_xPLMNwAcT(TransRecEF):
+    def __init__(self, fid, sfid=None, name=None, desc=None, size={40,None}, rec_len=5):
+        super().__init__(fid, sfid=sfid, name=name, desc=desc, size=size, rec_len=rec_len)
+    def _decode_record_hex(self, in_hex):
+        if in_hex[:6] == "ffffff":
+            return None
+        else:
+            return dec_xplmn_w_act(in_hex)
+    def _encode_record_hex(self, in_json):
+        if in_json == None:
+            return "ffffff0000"
+        else:
+            hplmn = enc_plmn(in_json['mcc'], in_json['mnc'])
+            act = self.enc_act(in_json['act'])
+            return hplmn + act
+    @staticmethod
+    def enc_act(in_list):
+        u16 = 0
+        # first the simple ones
+        if 'UTRAN' in in_list:
+            u16 |= 0x8000
+        if 'NG-RAN' in in_list:
+            u16 |= 0x0800
+        if 'GSM COMPACT' in in_list:
+            u16 |= 0x0040
+        if 'cdma2000 HRPD' in in_list:
+            u16 |= 0x0020
+        if 'cdma2000 1xRTT' in in_list:
+            u16 |= 0x0010
+        # E-UTRAN
+        if 'E-UTRAN WB-S1' and 'E-UTRAN NB-S1' in in_list:
+            u16 |= 0x7000   # WB-S1 and NB-S1
+        elif 'E-UTRAN NB-S1' in in_list:
+            u16 |= 0x6000   # only WB-S1
+        elif 'E-UTRAN NB-S1' in in_list:
+            u16 |= 0x5000   # only NB-S1
+        # GSM mess
+        if 'GSM' in in_list and 'EC-GSM-IoT' in in_list:
+            u16 |= 0x008C
+        elif 'GSM' in in_list:
+            u16 |= 0x0084
+        elif 'EC-GSM-IuT' in in_list:
+            u16 |= 0x0088
+        return '%04X'%(u16)
+
+
+class DF_GSM(CardDF):
+    def __init__(self, fid='7f20', name='DF.GSM', desc='GSM Network related files'):
+        super().__init__(fid=fid, name=name, desc=desc)
+        files = [
+          EF_LP(),
+          EF_IMSI(),
+          TransparentEF('5f20', None, 'EF.Kc', 'Ciphering key Kc'),
+          EF_PLMNsel(),
+          TransparentEF('6f31', None, 'EF.HPPLMN', 'Higher Priority PLMN search period'),
+          # ACMmax
+          EF_ServiceTable('6f37', None, 'EF.SST', 'SIM service table', table=EF_SST_map, size={2,16}),
+          CyclicEF('6f39', None, 'EF.ACM', 'Accumulated call meter', rec_len={4,3}),
+          TransparentEF('6f3e', None, 'EF.GID1', 'Group Identifier Level 1'),
+          TransparentEF('6f3f', None, 'EF.GID2', 'Group Identifier Level 2'),
+          EF_SPN(),
+          TransparentEF('6f41', None, 'EF.PUCT', 'Price per unit and currency table', size={5,5}),
+          EF_CBMI(),
+          TransparentEF('6f7f', None, 'EF.BCCH', 'Broadcast control channels', size={16,16}),
+          EF_ACC(),
+          EF_PLMNsel('6f7b', None, 'EF.FPLMN', 'Forbidden PLMNs', size={12,12}),
+          TransparentEF('6f7e', None, 'EF.LOCI', 'Locationn information', size={11,11}),
+          EF_AD(),
+          TransparentEF('6fa3', None, 'EF.Phase', 'Phase identification', size={1,1}),
+        # TODO EF.VGCS VGCSS, VBS, VBSS, eMLPP, AAeM
+          EF_CBMID(),
+          EF_ECC(),
+          EF_CBMIR(),
+          # DCK, CNL, NIA, KcGRS, LOCIGPRS, SUME
+          EF_xPLMNwAcT('6f60', None, 'EF.PLMNwAcT',
+                                   'User controlled PLMN Selector with Access Technology'),
+          EF_xPLMNwAcT('6f61', None, 'EF.OPLMNwAcT',
+                                   'Operator controlled PLMN Selector with Access Technology'),
+          EF_xPLMNwAcT('6f62', None, 'EF.HPLMNwAcT', 'HPLMN Selector with Access Technology'),
+          # CPBCCH, InvScan, PNN, OPL, MBDN, MBI, MWIS, CFIS, EXT5, EXT6, EXT7, SPDI, MMSN, EXT8
+          # MMSICP, MMSUP, MMSUCP
+          ]
+        self.add_files(files)
+
+    def decode_select_response(self, data_hex):
+        return decode_select_response(data_hex)
+
+def decode_select_response(resp_hex):
+    resp_bin = h2b(resp_hex)
+    if resp_bin[0] == 0x62:
+        return pySim.ts_102_221.decode_select_response(resp_hex)
+    struct_of_file_map = {
+        0: 'transparent',
+        1: 'linear_fixed',
+        3: 'cyclic'
+        }
+    type_of_file_map = {
+        1: 'mf',
+        2: 'df',
+        4: 'working_ef'
+        }
+    ret = {
+        'file_descriptor': {},
+        'proprietary_info': {},
+        }
+    ret['file_id'] = b2h(resp_bin[4:6])
+    ret['proprietary_info']['available_memory'] = int.from_bytes(resp_bin[2:4], 'big')
+    file_type = type_of_file_map[resp_bin[6]] if resp_bin[6] in type_of_file_map else resp_bin[6]
+    ret['file_descriptor']['file_type'] = file_type
+    if file_type in ['mf', 'df']:
+        ret['file_characteristics'] = b2h(resp_bin[13])
+        ret['num_direct_child_df'] = int(resp_bin[14], 16)
+        ret['num_direct_child_ef'] = int(resp_bin[15], 16)
+        ret['num_chv_unbkock_adm_codes'] = int(resp_bin[16])
+        # CHV / UNBLOCK CHV stats
+    elif file_type in ['working_ef']:
+        file_struct = struct_of_file_map[resp_bin[13]] if resp_bin[13] in struct_of_file_map else resp_bin[13]
+        ret['file_descriptor']['structure'] = file_struct
+        ret['access_conditions'] = b2h(resp_bin[8:10])
+        if resp_bin[11] & 0x01 == 0:
+            ret['life_cycle_status_int'] = 'operational_activated'
+        elif resp_bin[11] & 0x04:
+            ret['life_cycle_status_int'] = 'operational_deactivated'
+        else:
+            ret['life_cycle_status_int'] = 'terminated'
+
+    return ret
+
+CardProfileSIM = CardProfile('SIM', desc='GSM SIM Card', files_in_mf=[DF_TELECOM(), DF_GSM()])