def transmit(self, bytes):
self.vm.resetlog()
self.current_channel = bytes[0] & 0x3
if self.selected[self.current_channel]:
self.selected[self.current_channel]._selectingApplet = False
if not bool(bytes[0] & 0x80):
# ISO command
if bytes[1:4] == [-92, 4, 0]:
aid = bytes[5:5 + bytes[4]]
# select command A4 04 00
if not self._cmselect(aid):
return d2a('\x69\x99')
elif bytes[1:4] == [112, 0, 0]:
# open channel : 70 00 00
for idx in xrange(4):
if not self.channels[idx]:
self.channels[idx] = True
buf = [idx]
buf.extend(d2a('\x90\x00'))
return buf
return d2a('\x6A\x86')
elif bytes[1:3] == [112, -128]:
# close channel: 70 80
idx = bytes[3]
if self.channels[idx]:
self.channels[idx] = False
return d2a('\x90\x00')
return d2a('\x6A\x86')
elif bytes[1:4] == [-26, 12, 0]:
# install : E6 0C 00
self.install(bytes, 5)
applet = self.selected[self.current_channel]
if applet is None:
# no applet selected on current channel
return d2a('\x6A\x82')
# Make an APDU object
apdu = APDU(bytes)
# pass to the process method
self.vm.frame.push(applet)
self.vm.frame.push(apdu)
# invoke the process method
self.vm._invokevirtualjava(
JavaCardVirtualMethod(
applet._ref.offset,
7, # process
False,
self.vm.cap_file,
self.vm.resolver))
try:
while self.vm.step():
pass
except ISOException, isoe:
sw = isoe.getReason()
return [signed1((sw & 0xff00) >> 8), signed1(sw & 0x00ff)]
def transmit(self, bytes):
self.vm.resetlog()
self.current_channel = bytes[0] & 0x3
if self.selected[self.current_channel]:
self.selected[self.current_channel]._selectingApplet = False
if not bool(bytes[0] & 0x80):
# ISO command
if bytes[1:4] == [-92, 4, 0]:
aid = bytes[5:5 + bytes[4]]
# select command A4 04 00
if not self._cmselect(aid):
return d2a('\x69\x99')
elif bytes[1:4] == [112, 0, 0]:
# open channel : 70 00 00
for idx in xrange(4):
if not self.channels[idx]:
self.channels[idx] = True
buf = [idx]
buf.extend(d2a('\x90\x00'))
return buf
return d2a('\x6A\x86')
elif bytes[1:3] == [112, -128]:
# close channel: 70 80
idx = bytes[3]
if self.channels[idx]:
self.channels[idx] = False
return d2a('\x90\x00')
return d2a('\x6A\x86')
elif bytes[1:4] == [-26, 12, 0]:
# install : E6 0C 00
self.install(bytes, 5)
applet = self.selected[self.current_channel]
if applet is None:
# no applet selected on current channel
return d2a('\x6A\x82')
# Make an APDU object
apdu = APDU(bytes)
# pass to the process method
self.vm.frame.push(applet)
self.vm.frame.push(apdu)
# invoke the process method
self.vm._invokevirtualjava(JavaCardVirtualMethod(
applet._ref.offset,
7, # process
False,
self.vm.cap_file,
self.vm.resolver))
try:
while self.vm.step():
pass
except ISOException, isoe:
sw = isoe.getReason()
return [signed1((sw & 0xff00) >> 8), signed1(sw & 0x00ff)]
class Token(object):
"""
This token is a Java Token.
The Applet is actually a capfile. The code below is taken from runcap.py
"""
def __init__(self, jcversion=(3, 0, 1)):
self.current_applet_aid = None
# a2d(aid) => Applet
self.applets = {}
# channel => Applet
self.selected = [None, None, None, None]
# opened
self.channels = [True, False, False, False]
# current one
self.current_channel = 0
# Create the VM
self.vm = JavaCardVM(resolver.linkResolver(jcversion))
self.installJCFunctions()
def echo(self, *args, **kwargs):
# to be redefined in the subclassing class
pass
def installJCFunctions(self):
""" This tweak the JC Framework to make it fit our environment
We make a big usage of closures to pass the local `self` to the JC
functions
"""
def defineMyregister(self):
def myregister(applet, bArray=[], bOffset=0, bLength=0):
if bLength != 0:
aid = bArray[bOffset:bOffset + bLength]
# also update the current one
self.current_applet_aid = aid
else:
aid = self.current_applet_aid
self.applets[a2d(aid)] = applet
self.echo("registered %s as %s" % (a2s(aid), applet))
return myregister
Applet.register = defineMyregister(self)
def defineMygetAID(self):
def mygetAID():
return AID(self.current_applet_aid, 0,
len(self.current_applet_aid))
return mygetAID
JCSystem.getAID = defineMygetAID(self)
Applet.getAID = JCSystem.getAID
def defineMylookupAID(self):
def mylookupAID(buffer, offset, length):
if a2d(buffer[offset:offset + length]) in self.applets:
return AID(buffer, offset, length)
return None
return mylookupAID
JCSystem.lookupAID = defineMylookupAID(self)
def defineMyisAppletActive(self):
def myisAppletActive(aid):
return self.applets[a2d(aid.aid)] in self.selected
return myisAppletActive
JCSystem.isAppletActive = defineMyisAppletActive(self)
def defineMygetAssignedChannel(self):
def mygetAssignedChannel():
return self.current_channel
return mygetAssignedChannel
JCSystem.getAssignedChannel = defineMygetAssignedChannel(self)
def transmit(self, bytes):
self.vm.resetlog()
self.current_channel = bytes[0] & 0x3
if self.selected[self.current_channel]:
self.selected[self.current_channel]._selectingApplet = False
if not bool(bytes[0] & 0x80):
# ISO command
if bytes[1:4] == [-92, 4, 0]:
aid = bytes[5:5 + bytes[4]]
# select command A4 04 00
if not self._cmselect(aid):
return d2a('\x69\x99')
elif bytes[1:4] == [112, 0, 0]:
# open channel : 70 00 00
for idx in xrange(4):
if not self.channels[idx]:
self.channels[idx] = True
buf = [idx]
buf.extend(d2a('\x90\x00'))
return buf
return d2a('\x6A\x86')
elif bytes[1:3] == [112, -128]:
# close channel: 70 80
idx = bytes[3]
if self.channels[idx]:
self.channels[idx] = False
return d2a('\x90\x00')
return d2a('\x6A\x86')
elif bytes[1:4] == [-26, 12, 0]:
# install : E6 0C 00
self.install(bytes, 5)
applet = self.selected[self.current_channel]
if applet is None:
# no applet selected on current channel
return d2a('\x6A\x82')
# Make an APDU object
apdu = APDU(bytes)
# pass to the process method
self.vm.frame.push(applet)
self.vm.frame.push(apdu)
# invoke the process method
self.vm._invokevirtualjava(
JavaCardVirtualMethod(
applet._ref.offset,
7, # process
False,
self.vm.cap_file,
self.vm.resolver))
try:
while self.vm.step():
pass
except ISOException, isoe:
sw = isoe.getReason()
return [signed1((sw & 0xff00) >> 8), signed1(sw & 0x00ff)]
except RuntimeException:
self.echo("Caught RuntimeException")
return d2a('\x6f\x00')
self.vm.cap_file,
self.vm.resolver))
try:
while self.vm.step():
pass
except ISOException, isoe:
sw = isoe.getReason()
return [signed1((sw & 0xff00) >> 8), signed1(sw & 0x00ff)]
except RuntimeException:
self.echo("Caught RuntimeException")
return d2a('\x6f\x00')
except:
self.echo("Real bad exception")
raise
buf = apdu._APDU__buffer[:apdu._outgoinglength]
buf.extend(d2a('\x90\x00'))
return buf
def _cmdeselect(self):
channel = self.current_channel
applet = self.selected[channel]
self.vm.frame.push(applet)
try:
deselectmtd = JavaCardVirtualMethod(applet._ref.offset, 4, False,
self.vm.cap_file,
self.vm.resolver)
except NoSuchMethod:
self.selected[channel] = None
return True
self.vm._invokevirtualjava(deselectmtd)
while self.vm.step():
self.vm.cap_file,
self.vm.resolver))
try:
while self.vm.step():
pass
except ISOException, isoe:
sw = isoe.getReason()
return [signed1((sw & 0xff00) >> 8), signed1(sw & 0x00ff)]
except RuntimeException:
self.echo("Caught RuntimeException")
return d2a('\x6f\x00')
except:
self.echo("Real bad exception")
raise
buf = apdu._APDU__buffer[:apdu._outgoinglength]
buf.extend(d2a('\x90\x00'))
return buf
def _cmdeselect(self):
channel = self.current_channel
applet = self.selected[channel]
self.vm.frame.push(applet)
try:
deselectmtd = JavaCardVirtualMethod(
applet._ref.offset,
4,
False,
self.vm.cap_file,
self.vm.resolver)
except NoSuchMethod:
self.selected[channel] = None
