cyberflex-shell/cards/java_card.py

import utils, binascii
from generic_card import *
from utils import APDU

class Java_Card(Card):
    APDU_SELECT_APPLICATION = APDU("\x00\xa4\x04\x00")
    DRIVER_NAME = "Generic Java"
    APPLICATIONS = {
        "muscle": "\xa0\x00\x00\x00\x01\x01"
    }
    
    def __init__(self, card = None):
        Card.__init__(self, card = card)

    def select_application(self, aid):
        result = self.send_apdu(
            APDU(self.APDU_SELECT_APPLICATION,
            content = aid) )
        return result
    
    def cmd_selectapplication(self, *args):
        if len(args) != 1:
            raise TypeError, "Must give exactly one argument: the application to select."
        if self.APPLICATIONS.has_key(args[0]):
            aid = self.APPLICATIONS[args[0]]
        else:
            aid = binascii.a2b_hex("".join(args[0].split()))
        result = self.select_application(aid)
        if len(result) > 2:
            print utils.hexdump(result[:-2])
    
    COMMANDS = dict(Card.COMMANDS)
    COMMANDS.update( {
        "select_application": (cmd_selectapplication, "select_application application",
            """Select an application on the card. application can be given either as hexadezimal aid or by symbolic name (if known).""")
        } )