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python-trezor
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Implemented debuglink connection

This commit is contained in:
slush 2012-11-15 20:10:23 +00:00
parent 0c81a7d8ec
commit 37b75d1bc9
1 changed files with 39 additions and 26 deletions
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65
bitkeylib/client.py
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@ -1,7 +1,5 @@
import os
import bitkey_pb2 as proto
from transport_pipe import PipeTransport
def show_message(message):
print "MESSAGE FROM DEVICE:", message
@ -13,46 +11,58 @@ def show_input(input_text, message=None):
class BitkeyClient(object):
def __init__(self, path, message_func=show_message, input_func=show_input, debug=False):
def __init__(self, transport, debuglink=None, message_func=show_message, input_func=show_input, debug=False):
self.master_public_key = None
self.path = path
self.connected = False
self.device = None
self.transport = transport
self.debuglink = debuglink
self.message_func = message_func
self.input_func = input_func
self.debug = debug
def open(self):
self.device = PipeTransport(self.path, False)
self.features = self.call(proto.Initialize())
self.UUID = self.call(proto.GetUUID())
def close(self):
if self.device:
self.device.close()
self.device = None
def _pprint(self, msg):
return "<%s>:\n%s" % (msg.__class__.__name__, msg)
def call(self, msg, tries=3):
def call(self, msg, tries=1, button=None, pin_correct=True, otp_correct=True):
if self.debug:
print '----------------------'
print "Sending", self._pprint(msg)
self.device.write(msg)
resp = self.device.read()
self.transport.write(msg)
if self.debuglink and button != None:
self.debuglink.press_button(button)
resp = self.transport.read()
if isinstance(resp, proto.OtpRequest):
otp = self.input_func("OTP required: ", resp.message)
self.device.write(proto.OtpAck(otp=otp))
resp = self.device.read()
if self.debuglink:
otp = self.debuglink.read_otp()
if otp_correct:
self.transport.write(otp)
else:
self.transport.write(proto.OtpAck(otp='__42__'))
else:
otp = self.input_func("OTP required: ", resp.message)
self.transport.write(proto.OtpAck(otp=otp))
resp = self.transport.read()
if isinstance(resp, proto.PinRequest):
pin = self.input_func("PIN required: ", resp.message)
self.device.write(proto.PinAck(pin=pin))
resp = self.device.read()
if self.debuglink:
pin = self.debuglink.read_pin()
if pin_correct:
self.transport.write(pin)
else:
self.transport.write(proto.PinAck(pin='__42__'))
else:
pin = self.input_func("PIN required: ", resp.message)
self.transport.write(proto.PinAck(pin=pin))
resp = self.transport.read()
if isinstance(resp, proto.Failure):
self.message_func(resp.message)
@ -70,7 +80,10 @@ class BitkeyClient(object):
raise Exception("PIN is invalid, too many retries")
self.message_func("PIN is invalid, let's try again...")
return self.call(msg, tries-1)
return self.call(msg, tries-1,
button=button,
pin_correct=pin_correct,
otp_correct=otp_correct)
if isinstance(resp, proto.Failure):
raise Exception(resp.code, resp.message)