"""ISO7816-9 error checker.
__author__ = "http://www.gemalto.com"
Copyright 2001-2010 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 smartcard.sw.ErrorChecker import ErrorChecker
import smartcard.sw.SWExceptions
iso7816_9SW = {
0x62:( smartcard.sw.SWExceptions.WarningProcessingException,
{ 0x82:"End of file/record reached" } ),
0x64:( smartcard.sw.SWExceptions.ExecutionErrorException,
{ 0x00:"Execution error" } ),
0x69:( smartcard.sw.SWExceptions.CheckingErrorException,
{ 0x82:"Security status not satisfied" } ),
0x6A:( smartcard.sw.SWExceptions.CheckingErrorException,
{ 0x80:"Incorrect parameters in data field",
0x84:"Not enough memory space",
0x89:"File already exists",
0x8A:"DF name already exists" } ),
}
class ISO7816_9ErrorChecker( ErrorChecker ):
"""ISO7816-8 error checker.
This error checker raises the following exceptions:
sw1 sw2
62 82 WarningProcessingException
64 00 ExecutionErrorException
69 82 CheckingErrorException
6A 80,84,89,8A CheckingErrorException
This checker does not raise exceptions on undefined sw1 values, e.g.:
sw1 sw2
63 any
6F any
and on undefined sw2 values, e.g.:
sw1 sw2
62 81 83
64 any except 00
Use another checker in the error checking chain, e.g., the ISO7816_4SW1ErrorChecker or
ISO7816_4ErrorChecker, to raise exceptions on these undefined values.
"""
def __call__( self, data, sw1, sw2 ):
"""Called to test data, sw1 and sw2 for error.
data: apdu response data
sw1, sw2: apdu data status words
Derived classes must raise a smartcard.sw.SWException upon error."""
if iso7816_9SW.has_key( sw1 ):
exception, sw2dir = iso7816_9SW[sw1]
if type(sw2dir)==type({}):
try:
message = sw2dir[sw2]
raise exception( data, sw1, sw2, message )
except KeyError:
pass
if __name__ == '__main__':
"""Small sample illustrating the use of ISO7816_9ErrorChecker."""
ecs=ISO7816_9ErrorChecker()
ecs( [], 0x90, 0x00 )
ecs( [], 0x6a, 0x81 )
try:
ecs( [], 0x6A, 0x8A )
except smartcard.sw.SWExceptions.CheckingErrorException, e:
print e, "%x %x" % (e.sw1, e.sw2)
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