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sample_getAttrib.py
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sample_getAttrib.py
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#! /usr/bin/env python
"""
Sample for python PCSC wrapper module: List card attributes
__author__ = "http:https://www.gemalto.com"
Copyright 2001-2012 gemalto
Author: Jean-Daniel Aussel, mailto:[email protected]
Copyright 2010 Ludovic Rousseau
Author: Ludovic Rousseau, mailto:[email protected]
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
"""
import struct
from smartcard.scard import *
import smartcard.util
attributes = {
SCARD_ATTR_ATR_STRING: 'SCARD_ATTR_ATR_STRING',
SCARD_ATTR_CHANNEL_ID: 'SCARD_ATTR_CHANNEL_ID',
SCARD_ATTR_CHARACTERISTICS: 'SCARD_ATTR_CHARACTERISTICS',
SCARD_ATTR_CURRENT_BWT: 'SCARD_ATTR_CURRENT_BWT',
SCARD_ATTR_CURRENT_CLK: 'SCARD_ATTR_CURRENT_CLK',
SCARD_ATTR_CURRENT_CWT: 'SCARD_ATTR_CURRENT_CWT',
SCARD_ATTR_CURRENT_D: 'SCARD_ATTR_CURRENT_D',
SCARD_ATTR_CURRENT_EBC_ENCODING: 'SCARD_ATTR_CURRENT_EBC_ENCODING',
SCARD_ATTR_CURRENT_F: 'SCARD_ATTR_CURRENT_F',
SCARD_ATTR_CURRENT_IFSC: 'SCARD_ATTR_CURRENT_IFSC',
SCARD_ATTR_CURRENT_IFSD: 'SCARD_ATTR_CURRENT_IFSD',
SCARD_ATTR_CURRENT_IO_STATE: 'SCARD_ATTR_CURRENT_IO_STATE',
SCARD_ATTR_CURRENT_N: 'SCARD_ATTR_CURRENT_N',
SCARD_ATTR_CURRENT_PROTOCOL_TYPE: 'SCARD_ATTR_CURRENT_PROTOCOL_TYPE',
SCARD_ATTR_CURRENT_W: 'SCARD_ATTR_CURRENT_W',
SCARD_ATTR_DEFAULT_CLK: 'SCARD_ATTR_DEFAULT_CLK',
SCARD_ATTR_DEFAULT_DATA_RATE: 'SCARD_ATTR_DEFAULT_DATA_RATE',
SCARD_ATTR_DEVICE_FRIENDLY_NAME_A: 'SCARD_ATTR_DEVICE_FRIENDLY_NAME_A',
SCARD_ATTR_DEVICE_FRIENDLY_NAME_W: 'SCARD_ATTR_DEVICE_FRIENDLY_NAME_W',
SCARD_ATTR_DEVICE_IN_USE: 'SCARD_ATTR_DEVICE_IN_USE',
SCARD_ATTR_DEVICE_SYSTEM_NAME_A: 'SCARD_ATTR_DEVICE_SYSTEM_NAME_A',
SCARD_ATTR_DEVICE_SYSTEM_NAME_W: 'SCARD_ATTR_DEVICE_SYSTEM_NAME_W',
SCARD_ATTR_DEVICE_UNIT: 'SCARD_ATTR_DEVICE_UNIT',
SCARD_ATTR_ESC_AUTHREQUEST: 'SCARD_ATTR_ESC_AUTHREQUEST',
SCARD_ATTR_ESC_CANCEL: 'SCARD_ATTR_ESC_CANCEL',
SCARD_ATTR_ESC_RESET: 'SCARD_ATTR_ESC_RESET',
SCARD_ATTR_EXTENDED_BWT: 'SCARD_ATTR_EXTENDED_BWT',
SCARD_ATTR_ICC_INTERFACE_STATUS: 'SCARD_ATTR_ICC_INTERFACE_STATUS',
SCARD_ATTR_ICC_PRESENCE: 'SCARD_ATTR_ICC_PRESENCE',
SCARD_ATTR_ICC_TYPE_PER_ATR: 'SCARD_ATTR_ICC_TYPE_PER_ATR',
SCARD_ATTR_MAXINPUT: 'SCARD_ATTR_MAXINPUT',
SCARD_ATTR_MAX_CLK: 'SCARD_ATTR_MAX_CLK',
SCARD_ATTR_MAX_DATA_RATE: 'SCARD_ATTR_MAX_DATA_RATE',
SCARD_ATTR_MAX_IFSD: 'SCARD_ATTR_MAX_IFSD',
SCARD_ATTR_POWER_MGMT_SUPPORT: 'SCARD_ATTR_POWER_MGMT_SUPPORT',
SCARD_ATTR_SUPRESS_T1_IFS_REQUEST: 'SCARD_ATTR_SUPRESS_T1_IFS_REQUEST',
SCARD_ATTR_USER_AUTH_INPUT_DEVICE: 'SCARD_ATTR_USER_AUTH_INPUT_DEVICE',
SCARD_ATTR_USER_TO_CARD_AUTH_DEVICE:
'SCARD_ATTR_USER_TO_CARD_AUTH_DEVICE',
SCARD_ATTR_VENDOR_IFD_SERIAL_NO: 'SCARD_ATTR_VENDOR_IFD_SERIAL_NO',
SCARD_ATTR_VENDOR_IFD_TYPE: 'SCARD_ATTR_VENDOR_IFD_TYPE',
SCARD_ATTR_VENDOR_IFD_VERSION: 'SCARD_ATTR_VENDOR_IFD_VERSION',
SCARD_ATTR_VENDOR_NAME: 'SCARD_ATTR_VENDOR_NAME',
}
if 'pcsclite' == resourceManager:
extra_attributes = {
SCARD_ATTR_ASYNC_PROTOCOL_TYPES: 'SCARD_ATTR_ASYNC_PROTOCOL_TYPES',
SCARD_ATTR_SYNC_PROTOCOL_TYPES: 'SCARD_ATTR_SYNC_PROTOCOL_TYPES',
}
attributes.update(extra_attributes)
def printAttribute(attrib, value):
print '-----------------', attributes[attrib], '-----------------'
print value
print smartcard.util.toHexString(value, smartcard.util.HEX)
print apply(struct.pack, ['<' + 'B' * len(value)] + value)
try:
hresult, hcontext = SCardEstablishContext(SCARD_SCOPE_USER)
if hresult != SCARD_S_SUCCESS:
raise error(
'Failed to establish context: ' + \
SCardGetErrorMessage(hresult))
print 'Context established!'
try:
hresult, readers = SCardListReaders(hcontext, [])
if hresult != SCARD_S_SUCCESS:
raise error(
'Failed to list readers: ' + \
SCardGetErrorMessage(hresult))
print 'PCSC Readers:', readers
if len(readers) < 1:
raise error('No smart card readers')
print 'Trying to retreive attributes of', readers[0]
for reader in readers:
hresult, hcard, dwActiveProtocol = SCardConnect(
hcontext,
reader,
SCARD_SHARE_SHARED, SCARD_PROTOCOL_T0 | SCARD_PROTOCOL_T1)
if hresult != SCARD_S_SUCCESS:
print error, \
'Unable to connect: ' + SCardGetErrorMessage(hresult)
else:
print 'Connected with active protocol', dwActiveProtocol
try:
for i in attributes.keys():
hresult, attrib = SCardGetAttrib(hcard, i)
if hresult == SCARD_S_SUCCESS:
printAttribute(i, attrib)
else:
print '-----------------', \
attributes[i], \
'-----------------'
print 'unsupported'
finally:
hresult = SCardDisconnect(hcard, SCARD_UNPOWER_CARD)
if hresult != SCARD_S_SUCCESS:
raise error(
'Failed to disconnect: ' + \
SCardGetErrorMessage(hresult))
print 'Disconnected'
finally:
hresult = SCardReleaseContext(hcontext)
if hresult != SCARD_S_SUCCESS:
raise error(
'Failed to release context: ' + \
SCardGetErrorMessage(hresult))
print 'Released context.'
except Exception, e:
print e
import sys
if 'win32' == sys.platform:
print 'press Enter to continue'
sys.stdin.read(1)