mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-13 19:18:56 +00:00
cleanup transports
This commit is contained in:
Pavol Rusnak
parent
c972d396ae
commit
3b4f226d48
16
trezorctl
16
trezorctl
@ -35,7 +35,7 @@ ether_units = {
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def parse_args(commands):
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parser = argparse.ArgumentParser(description='Commandline tool for TREZOR devices.')
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parser.add_argument('-v', '--verbose', dest='verbose', action='store_true', help='Prints communication to device')
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parser.add_argument('-t', '--transport', dest='transport', choices=['usb', 'udp', 'serial', 'pipe', 'socket', 'bridge'], default='usb', help="Transport used for talking with the device")
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parser.add_argument('-t', '--transport', dest='transport', choices=['usb', 'udp', 'pipe', 'bridge'], default='usb', help="Transport used for talking with the device")
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parser.add_argument('-p', '--path', dest='path', default='', help="Path used by the transport (usually serial port)")
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# parser.add_argument('-dt', '--debuglink-transport', dest='debuglink_transport', choices=['usb', 'serial', 'pipe', 'socket'], default='usb', help="Debuglink transport")
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# parser.add_argument('-dp', '--debuglink-path', dest='debuglink_path', default='', help="Path used by the transport (usually serial port)")
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@ -82,25 +82,13 @@ def get_transport(transport_string, path, **kwargs):
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from trezorlib.transport_udp import UdpTransport
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return UdpTransport(path, **kwargs)
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if transport_string == 'serial':
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from trezorlib.transport_serial import SerialTransport
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return SerialTransport(path, **kwargs)
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if transport_string == 'pipe':
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from trezorlib.transport_pipe import PipeTransport
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return PipeTransport(path, is_device=False, **kwargs)
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if transport_string == 'socket':
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from trezorlib.transport_socket import SocketTransportClient
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return SocketTransportClient(path, **kwargs)
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if transport_string == 'bridge':
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from trezorlib.transport_bridge import BridgeTransport
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return BridgeTransport(path, **kwargs)
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if transport_string == 'fake':
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from trezorlib.transport_fake import FakeTransport
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return FakeTransport(path, **kwargs)
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return BridgeTransport({'path': path}, **kwargs)
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raise NotImplementedError("Unknown transport")
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@ -2,6 +2,7 @@
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import json
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import requests
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import binascii
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from . import protobuf_json
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from . import messages_pb2 as proto
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from .transport import TransportV1
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@ -16,7 +17,7 @@ class BridgeTransport(TransportV1):
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def __init__(self, device, *args, **kwargs):
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self.configure()
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self.path = device['path']
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self.path = binascii.hexlify(device['path'])
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self.session = None
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self.response = None
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@ -1,24 +0,0 @@
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'''FakeTransport implements dummy interface for Transport.'''
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# Local serial port loopback: socat PTY,link=COM8 PTY,link=COM9
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from .transport import Transport, NotImplementedException
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class FakeTransport(Transport):
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def __init__(self, device, *args, **kwargs):
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super(FakeTransport, self).__init__(device, *args, **kwargs)
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def _open(self):
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pass
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def _close(self):
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pass
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def ready_to_read(self):
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return False
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def _write(self, msg, protobuf_msg):
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pass
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def _read(self):
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raise NotImplementedException("Not implemented")
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@ -1,41 +0,0 @@
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from __future__ import print_function
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'''SerialTransport implements wire transport over serial port.'''
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# Local serial port loopback: socat PTY,link=COM8 PTY,link=COM9
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from select import select
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import serial
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from .transport import Transport
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class SerialTransport(Transport):
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def __init__(self, device, *args, **kwargs):
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self.serial = None
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super(SerialTransport, self).__init__(device, *args, **kwargs)
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def _open(self):
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self.serial = serial.Serial(self.device, 115200, timeout=10, writeTimeout=10)
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def _close(self):
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self.serial.close()
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self.serial = None
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def ready_to_read(self):
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rlist, _, _ = select([self.serial], [], [], 0)
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return len(rlist) > 0
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def _write(self, msg, protobuf_msg):
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try:
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self.serial.write(msg)
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self.serial.flush()
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except serial.SerialException:
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print("Error while writing to socket")
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raise
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def _read(self):
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try:
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(msg_type, datalen) = self._read_headers(self.serial)
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return (msg_type, self.serial.read(datalen))
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except serial.SerialException:
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print("Failed to read from device")
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raise
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@ -1,112 +0,0 @@
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from __future__ import print_function
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'''SocketTransport implements TCP socket interface for Transport.'''
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import socket
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from select import select
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from .transport import Transport
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class SocketTransportClient(Transport):
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def __init__(self, device, *args, **kwargs):
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device = device.split(':')
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if len(device) < 2:
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device = ('0.0.0.0', int(device[0]))
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else:
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device = (device[0], int(device[1]))
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self.socket = None
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super(SocketTransportClient, self).__init__(device, *args, **kwargs)
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def _open(self):
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self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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self.socket.connect(self.device)
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self.filelike = self.socket.makefile()
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def _close(self):
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self.socket.close()
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self.socket = None
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self.filelike = None
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def ready_to_read(self):
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rlist, _, _ = select([self.socket], [], [], 0)
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return len(rlist) > 0
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def _write(self, msg, protobuf_msg):
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self.socket.sendall(msg)
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def _read(self):
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try:
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(msg_type, datalen) = self._read_headers(self.filelike)
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return (msg_type, self.filelike.read(datalen))
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except socket.error:
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print("Failed to read from device")
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return None
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class SocketTransport(Transport):
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def __init__(self, device, *args, **kwargs):
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device = device.split(':')
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if len(device) < 2:
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device = ('0.0.0.0', int(device[0]))
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else:
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device = (device[0], int(device[1]))
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self.socket = None
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self.client = None
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self.filelike = None
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super(SocketTransport, self).__init__(device, *args, **kwargs)
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def _open(self):
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self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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#self.socket.setblocking(0)
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self.socket.bind(self.device)
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self.socket.listen(5)
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def _disconnect_client(self):
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print("Disconnecting client")
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if self.client != None:
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self.client.close()
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self.client = None
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self.filelike = None
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def _close(self):
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self._disconnect_client()
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self.socket.close()
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self.socket = None
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def ready_to_read(self):
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if self.filelike:
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# Connected
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rlist, _, _ = select([self.client], [], [], 0)
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return len(rlist) > 0
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else:
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# Waiting for connection
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rlist, _, _ = select([self.socket], [], [], 0)
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if len(rlist) > 0:
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(self.client, ipaddr) = self.socket.accept()
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print("Connected", ipaddr[0])
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self.filelike = self.client.makefile()
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return self.ready_to_read()
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return False
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def _write(self, msg, protobuf_msg):
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if self.filelike:
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# None on disconnected client
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try:
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self.filelike.write(msg)
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self.filelike.flush()
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except socket.error:
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print("Socket error")
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self._disconnect_client()
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def _read(self):
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try:
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(msg_type, datalen) = self._read_headers(self.filelike)
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return (msg_type, self.filelike.read(datalen))
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except Exception:
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print("Failed to read from device")
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self._disconnect_client()
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return None
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