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- added functions for a smartcard reset

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- changed communication protocol via socket, length is coded in network byteorder
- splitted vpcd.[h|c] into more files, added include-guards


git-svn-id: https://vsmartcard.svn.sourceforge.net/svnroot/vsmartcard@18 96b47cad-a561-4643-ad3b-153ac7d7599c
This commit is contained in:
frankmorgner
2010-01-13 21:33:13 +00:00
parent b4862e9be6
commit b0f3ce24e5
5 changed files with 402 additions and 317 deletions
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60
virtualsmartcard/vpicc/VirtualSmartcard.py
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@@ -20,10 +20,11 @@ from ConstantDefinitions import *
from TLVutils import *
from SWutils import SwError, SW
from SmartcardFilesystem import prettyprint_anything, MF, DF, CryptoflexMF, TransparentStructureEF
from utils import C_APDU, R_APDU, hexdump, stringtoint, inttostring
from utils import C_APDU, R_APDU, hexdump, inttostring
from SmartcardSAM import CardContainer, SAM, PassportSAM, CryptoflexSAM
from pickle import dumps, loads
import socket, struct, sys, signal, atexit, traceback
import struct
class SmartcardOS(object): # {{{
@@ -149,6 +150,9 @@ class SmartcardOS(object): # {{{
def powerDown(self):
pass
def reset(self):
pass
@staticmethod
def makeATR(**args): # {{{
"""Calculate Answer to Reset (ATR) and returns the bitstring.
@@ -470,6 +474,17 @@ class CryptoflexOS(SmartcardOS): # {{{
# }}}
# sizeof(int) taken from asizof-package {{{
_Csizeof_short = len(struct.pack('h', 0))
# }}}
VPCD_CTRL_LEN = 1
VPCD_CTRL_OFF = 0
VPCD_CTRL_ON = 1
VPCD_CTRL_RESET = 2
VPCD_CTRL_ATR = 4
class VirtualICC(object): # {{{
def __init__(self, filename,os=None, lenlen=3, host="localhost", port=35963):
@@ -503,34 +518,39 @@ class VirtualICC(object): # {{{
return sock
def __sendToVPICC(self, msg):
size = inttostring(len(msg), self.lenlen)
self.sock.sendall("%s%s" % (size, msg))
#size = inttostring(len(msg), self.lenlen)
self.sock.send(struct.pack('!H', len(msg)) + msg)
def __recvFromVPICC(self):
# receive message size
size = self.sock.recv(self.lenlen)
size = stringtoint(size)
size = struct.unpack('!H', self.sock.recv(_Csizeof_short))[0]
# receive and return message
if size == 0:
return ""
if size:
msg = self.sock.recv(size)
else:
msg = self.sock.recv(size)
return msg
msg = None
return size, msg
def run(self):
while True :
msg = self.__recvFromVPICC()
if msg == "":
self.__sendToVPICC(self.os.atr)
elif msg == chr(0):
# powerdown
print "Power Down"
self.os.powerDown()
elif msg == chr(1):
# powerup
print "Power Up"
self.os.powerUp()
(size, msg) = self.__recvFromVPICC()
if not size:
print "error in communication protocol"
elif size == VPCD_CTRL_LEN:
if msg == chr(VPCD_CTRL_OFF):
print "Power Down"
self.os.powerDown()
elif msg == chr(VPCD_CTRL_ON):
print "Power Up"
self.os.powerUp()
elif msg == chr(VPCD_CTRL_RESET):
print "Reset"
self.os.reset()
elif msg == chr(VPCD_CTRL_ATR):
self.__sendToVPICC(self.os.atr)
else:
print "unknown control command"
else:
print "APDU (%d Bytes):\n%s" % (len(msg),hexdump(msg, short=True))
answer = self.os.execute(msg)