/usr/lib/python2.7/dist-packages/smartcard/Session.py is in python-pyscard 1.9.6-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 | """
Smartcard Session.
__author__ = "http://www.gemalto.com"
Copyright 2001-2012 gemalto
Author: Jean-Daniel Aussel, mailto:jean-daniel.aussel@gemalto.com
This file is part of pyscard.
pyscard is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
pyscard 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with pyscard; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
"""
from __future__ import print_function
from smartcard.Exceptions import InvalidReaderException, NoReadersException
from smartcard.PassThruCardService import PassThruCardService
from smartcard.System import readers
class Session(object):
"""The Session object enables programmers to transmit APDU to smartcards.
This is an example of use of the Session object:
import smartcard
reader=smartcard.listReaders()
s = smartcard.Session(reader[0])
SELECT = [0xA0, 0xA4, 0x00, 0x00, 0x02]
DF_TELECOM = [0x7F, 0x10]
data, sw1, sw2 = s.sendCommandAPDU(SELECT+DF_TELECOM)
print(data, sw1, sw2)
s.close()
print(`s`)
"""
def __init__(self, readerName=None, cardServiceClass=None):
"""Session constructor. Initializes a smart card session and
connect to the card.
@param readerName: reader to connect to; default is first PCSC reader
@param cardServiceClass: card service to bind the session to; default
is None
"""
# if reader name not given, select first reader
if readerName == None:
if len(readers()) > 0:
self.reader = readers()[0]
self.readerName = repr(self.reader)
else:
raise NoReadersException()
# otherwise select reader from name
else:
self.readerName = readerName
for reader in readers():
if readerName == str(reader):
self.reader = reader
self.readerName = repr(self.reader)
try:
self.reader
except AttributeError:
raise InvalidReaderException(self.readerName)
# open card connection and bind PassThruCardService
cc = self.reader.createConnection()
self.cs = PassThruCardService(cc)
self.cs.connection.connect()
def close(self):
"""Close the smartcard session.
Closing a session will disconnect from the card."""
self.cs.connection.disconnect()
def sendCommandAPDU(self, command):
"""Send an APDU command to the connected smartcard.
@param command: list of APDU bytes, e.g. [0xA0, 0xA4, 0x00, 0x00, 0x02]
@return: a tuple (response, sw1, sw2) where
response is the APDU response
sw1, sw2 are the two status words
"""
response, sw1, sw2 = self.cs.connection.transmit(command)
if len(response) > 2:
response.append(sw1)
response.append(sw2)
return response, sw1, sw2
def getATR(self):
"""Returns the ATR of the connected card."""
return self.cs.connection.getATR()
def __repr__(self):
"""Returns a string representation of the session."""
return "<Session instance: readerName=%s>" % self.readerName
if __name__ == '__main__':
"""Small sample illustrating the use of Session.py."""
pass
|