mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-24 00:18:26 +00:00
132 lines
4.0 KiB
Python
132 lines
4.0 KiB
Python
# This file is part of the TREZOR project.
|
|
#
|
|
# Copyright (C) 2012-2016 Marek Palatinus <slush@satoshilabs.com>
|
|
# Copyright (C) 2012-2016 Pavol Rusnak <stick@satoshilabs.com>
|
|
#
|
|
# This library is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU Lesser General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This library is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU Lesser General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU Lesser General Public License
|
|
# along with this library. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
from __future__ import print_function
|
|
|
|
from . import messages_pb2 as proto
|
|
|
|
|
|
def pin_info(pin):
|
|
print("Device asks for PIN %s" % pin)
|
|
|
|
|
|
def button_press(yes_no):
|
|
print("User pressed", '"y"' if yes_no else '"n"')
|
|
|
|
|
|
def pprint(msg):
|
|
return "<%s> (%d bytes):\n%s" % (msg.__class__.__name__, msg.ByteSize(), msg)
|
|
|
|
|
|
class DebugLink(object):
|
|
def __init__(self, transport, pin_func=pin_info, button_func=button_press):
|
|
self.transport = transport
|
|
self.transport.session_begin()
|
|
|
|
self.pin_func = pin_func
|
|
self.button_func = button_func
|
|
|
|
def close(self):
|
|
self.transport.session_end()
|
|
|
|
def _call(self, msg, nowait=False):
|
|
print("DEBUGLINK SEND", pprint(msg))
|
|
self.transport.write(msg)
|
|
if nowait:
|
|
return
|
|
ret = self.transport.read()
|
|
print("DEBUGLINK RECV", pprint(ret))
|
|
return ret
|
|
|
|
def read_pin(self):
|
|
obj = self._call(proto.DebugLinkGetState())
|
|
print("Read PIN:", obj.pin)
|
|
print("Read matrix:", obj.matrix)
|
|
|
|
return (obj.pin, obj.matrix)
|
|
|
|
def read_pin_encoded(self):
|
|
pin, _ = self.read_pin()
|
|
pin_encoded = self.encode_pin(pin)
|
|
self.pin_func(pin_encoded)
|
|
return pin_encoded
|
|
|
|
def encode_pin(self, pin):
|
|
_, matrix = self.read_pin()
|
|
|
|
# Now we have real PIN and PIN matrix.
|
|
# We have to encode that into encoded pin,
|
|
# because application must send back positions
|
|
# on keypad, not a real PIN.
|
|
pin_encoded = ''.join([str(matrix.index(p) + 1) for p in pin])
|
|
|
|
print("Encoded PIN:", pin_encoded)
|
|
return pin_encoded
|
|
|
|
def read_layout(self):
|
|
obj = self._call(proto.DebugLinkGetState())
|
|
return obj.layout
|
|
|
|
def read_mnemonic(self):
|
|
obj = self._call(proto.DebugLinkGetState())
|
|
return obj.mnemonic
|
|
|
|
def read_node(self):
|
|
obj = self._call(proto.DebugLinkGetState())
|
|
return obj.node
|
|
|
|
def read_recovery_word(self):
|
|
obj = self._call(proto.DebugLinkGetState())
|
|
return (obj.recovery_fake_word, obj.recovery_word_pos)
|
|
|
|
def read_reset_word(self):
|
|
obj = self._call(proto.DebugLinkGetState())
|
|
return obj.reset_word
|
|
|
|
def read_reset_entropy(self):
|
|
obj = self._call(proto.DebugLinkGetState())
|
|
return obj.reset_entropy
|
|
|
|
def read_passphrase_protection(self):
|
|
obj = self._call(proto.DebugLinkGetState())
|
|
return obj.passphrase_protection
|
|
|
|
def press_button(self, yes_no):
|
|
print("Pressing", yes_no)
|
|
self.button_func(yes_no)
|
|
self._call(proto.DebugLinkDecision(yes_no=yes_no), nowait=True)
|
|
|
|
def press_yes(self):
|
|
self.press_button(True)
|
|
|
|
def press_no(self):
|
|
self.press_button(False)
|
|
|
|
def stop(self):
|
|
self._call(proto.DebugLinkStop(), nowait=True)
|
|
|
|
def memory_read(self, address, length):
|
|
obj = self._call(proto.DebugLinkMemoryRead(address=address, length=length))
|
|
return obj.memory
|
|
|
|
def memory_write(self, address, memory, flash=False):
|
|
self._call(proto.DebugLinkMemoryWrite(address=address, memory=memory, flash=flash), nowait=True)
|
|
|
|
def flash_erase(self, sector):
|
|
self._call(proto.DebugLinkFlashErase(sector=sector), nowait=True)
|