Split all things into a more "library-like" package
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
diff --git a/pySim/commands.py b/pySim/commands.py
new file mode 100644
index 0000000..5842676
--- /dev/null
+++ b/pySim/commands.py
@@ -0,0 +1,93 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+""" pySim: SIM Card commands according to ISO 7816-4 and TS 11.11
+"""
+
+#
+# Copyright (C) 2009-2010 Sylvain Munaut <tnt@246tNt.com>
+# Copyright (C) 2010 Harald Welte <laforge@gnumonks.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/>.
+#
+
+
+class SimCardCommands(object):
+ def __init__(self, transport):
+ self._tp = transport;
+
+ def select_file(self, dir_list):
+ rv = []
+ for i in dir_list:
+ data, sw = self._tp.send_apdu_checksw("a0a4000002" + i)
+ rv.append(data)
+ return rv
+
+ def read_binary(self, ef, length=None, offset=0):
+ if not hasattr(type(ef), '__iter__'):
+ ef = [ef]
+ r = self.select_file(ef)
+ if length is None:
+ length = int(r[-1][4:8], 16) - offset
+ pdu = 'a0b0%04x%02x' % (offset, (min(256, length) & 0xff))
+ return self._tp.send_apdu(pdu)
+
+ def update_binary(self, ef, data, offset=0):
+ if not hasattr(type(ef), '__iter__'):
+ ef = [ef]
+ self.select_file(ef)
+ pdu = 'a0d6%04x%02x' % (offset, len(data)/2) + data
+ return self._tp.send_apdu(pdu)
+
+ def read_record(self, ef, rec_no):
+ if not hasattr(type(ef), '__iter__'):
+ ef = [ef]
+ r = self.select_file(ef)
+ rec_length = int(r[-1][28:30], 16)
+ pdu = 'a0b2%02x04%02x' % (rec_no, rec_length)
+ return self._tp.send_apdu(pdu)
+
+ def update_record(self, ef, rec_no, data, force_len=False):
+ if not hasattr(type(ef), '__iter__'):
+ ef = [ef]
+ r = self.select_file(ef)
+ if not force_len:
+ rec_length = int(r[-1][28:30], 16)
+ if (len(data)/2 != rec_length):
+ raise ValueError('Invalid data length (expected %d, got %d)' % (rec_length, len(data)/2))
+ else:
+ rec_length = len(data)/2
+ pdu = ('a0dc%02x04%02x' % (rec_no, rec_length)) + data
+ return self._tp.send_apdu(pdu)
+
+ def record_size(self, ef):
+ r = self.select_file(ef)
+ return int(r[-1][28:30], 16)
+
+ def record_count(self, ef):
+ r = self.select_file(ef)
+ return int(r[-1][4:8], 16) // int(r[-1][28:30], 16)
+
+ def run_gsm(self, rand):
+ if len(rand) != 32:
+ raise ValueError('Invalid rand')
+ self.select_file(['3f00', '7f20'])
+ return self._tp.send_apdu('a088000010' + rand)
+
+ def reset_card(self):
+ return self._tp.reset_card()
+
+ def verify_chv(self, chv_no, code):
+ fc = rpad(b2h(code), 16)
+ return self.send_apdu('a02000' + ('%02x' % chv_no) + '08' + fc)