ISMAIL MASSERAN
112 lines
3.4 KiB
Python
112 lines
3.4 KiB
Python
"""ISO7816-9 error checker.
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__author__ = "https://www.gemalto.com/"
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Copyright 2001-2012 gemalto
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Author: Jean-Daniel Aussel, mailto:jean-daniel.aussel@gemalto.com
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This file is part of pyscard.
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pyscard is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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pyscard is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with pyscard; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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"""
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import smartcard.sw.SWExceptions
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from smartcard.sw.ErrorChecker import ErrorChecker
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# pylint: disable=too-few-public-methods
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iso7816_9SW = {
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0x62: (
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smartcard.sw.SWExceptions.WarningProcessingException,
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{0x82: "End of file/record reached"},
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),
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0x64: (
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smartcard.sw.SWExceptions.ExecutionErrorException,
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{0x00: "Execution error"},
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),
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0x69: (
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smartcard.sw.SWExceptions.CheckingErrorException,
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{0x82: "Security status not satisfied"},
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),
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0x6A: (
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smartcard.sw.SWExceptions.CheckingErrorException,
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{
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0x80: "Incorrect parameters in data field",
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0x84: "Not enough memory space",
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0x89: "File already exists",
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0x8A: "DF name already exists",
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},
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),
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}
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class ISO7816_9ErrorChecker(ErrorChecker):
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"""ISO7816-8 error checker.
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This error checker raises the following exceptions:
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- sw1 sw2
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- 62 82 WarningProcessingException
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- 64 00 ExecutionErrorException
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- 69 82 CheckingErrorException
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- 6A 80,84,89,8A CheckingErrorException
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This checker does not raise exceptions on undefined sw1 values, e.g.:
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- sw1 sw2
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- 63 any
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- 6F any
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and on undefined sw2 values, e.g.:
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- sw1 sw2
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- 62 81 83
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- 64 any except 00
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Use another checker in the error checking chain, e.g., the
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L{ISO7816_4_SW1ErrorChecker} or L{ISO7816_4ErrorChecker}, to raise
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exceptions on these undefined values.
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"""
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def __call__(self, data, sw1, sw2):
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"""Called to test data, sw1 and sw2 for error.
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Derived classes must raise a L{smartcard.sw.SWExceptions} upon error.
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@param data: apdu response data
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@param sw1: apdu data status word 1
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@param sw2: apdu data status word 2
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"""
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# pylint: disable=duplicate-code
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if sw1 in iso7816_9SW:
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exception, sw2dir = iso7816_9SW[sw1]
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if isinstance(sw2dir, dict):
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try:
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message = sw2dir[sw2]
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raise exception(data, sw1, sw2, message)
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except KeyError:
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pass
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if __name__ == "__main__":
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# Small sample illustrating the use of ISO7816_9ErrorChecker.
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ecs = ISO7816_9ErrorChecker()
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ecs([], 0x90, 0x00)
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ecs([], 0x6A, 0x81)
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try:
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ecs([], 0x6A, 0x8A)
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except smartcard.sw.SWExceptions.CheckingErrorException as e:
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print(str(e) + f" {e.sw1:x} {e.sw2:x}")
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