mirror of
https://github.com/polhenarejos/pico-fido.git
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80 lines
2.4 KiB
Python
80 lines
2.4 KiB
Python
# Original work Copyright 2016 Google Inc. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# Modified work Copyright 2020 Yubico AB. All Rights Reserved.
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# This file, with modifications, is licensed under the above Apache License.
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from __future__ import annotations
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from .base import HidDescriptor, CtapHidConnection
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import socket
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from typing import Set
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import logging
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import sys
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HOST = '127.0.0.1'
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PORT = 35962
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# Don't typecheck this file on Windows
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assert sys.platform != "win32" # nosec
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logger = logging.getLogger(__name__)
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class EmulationCtapHidConnection(CtapHidConnection):
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def __init__(self, descriptor):
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self.descriptor = descriptor
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self.handle = descriptor.path
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self.handle.connect((HOST, PORT))
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def write_packet(self, packet):
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if (self.handle.send(len(packet).to_bytes(2, 'big')) != 2):
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raise OSError("write_packet sending size failed")
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if (self.handle.send(packet) != len(packet)):
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raise OSError("write_packet sending packet failed")
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def read_packet(self):
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bts = self.handle.recv(2)
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if (len(bts) != 2):
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raise OSError("read_packet failed reading size")
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size = int.from_bytes(bts, 'big')
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data = self.handle.recv(size)
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if (len(data) != size):
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raise OSError("read_packet failed reading packet")
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return data
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def close(self) -> None:
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return self.handle.close()
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def open_connection(descriptor):
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return EmulationCtapHidConnection(descriptor)
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def get_descriptor(_):
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HOST = 'localhost' # The remote host
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PORT = 35962 # The same port as used by the server
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s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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return HidDescriptor(s, 0x00, 0x00, 64, 64, "Pico-Fido", "AAAAAA")
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def list_descriptors():
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devices = []
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try:
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devices.append(get_descriptor(None))
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except ValueError:
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pass # Not a CTAP device, ignore.
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return devices
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