OXIESEC PANEL
- Current Dir:
/
/
opt
/
gsutil
/
third_party
/
pyu2f
/
pyu2f
/
__pycache__
Server IP: 2a02:4780:11:1594:0:ef5:22d7:a
Upload:
Create Dir:
Name
Size
Modified
Perms
📁
..
-
02/11/2025 08:19:48 AM
rwxr-xr-x
📄
__init__.cpython-39.pyc
198 bytes
02/11/2025 08:19:48 AM
rw-r--r--
📄
apdu.cpython-39.pyc
3.77 KB
02/11/2025 08:19:48 AM
rw-r--r--
📄
errors.cpython-39.pyc
3.16 KB
02/11/2025 08:19:48 AM
rw-r--r--
📄
hardware.cpython-39.pyc
5.12 KB
02/11/2025 08:19:48 AM
rw-r--r--
📄
hidtransport.cpython-39.pyc
9.66 KB
02/11/2025 08:19:48 AM
rw-r--r--
📄
model.cpython-39.pyc
2.44 KB
02/11/2025 08:19:48 AM
rw-r--r--
📄
u2f.cpython-39.pyc
5.49 KB
02/11/2025 08:19:48 AM
rw-r--r--
Editing: hidtransport.cpython-39.pyc
Close
a ��a�, � @ sd d Z ddlZddlZddlZddlZddlmZ ddlmZ dd� Zefdd�Z G d d � d e �Z dS ) z�HID Transport for U2F. This module imports the U2F HID Transport protocol as well as methods for discovering devices implementing this protocol. � N)�errors)�hidc C s | d dkr | d dkr dS dS )NZ usage_pagei�� �usage� TF� )�devicer r �3/opt/gsutil/third_party/pyu2f/pyu2f/hidtransport.py�HidUsageSelector s r c c sJ t �� D ]<}| |�rz t �|d �}t|�V W q tyB Y q0 qd S )N�path)r Z EnumerateZOpen�UsbHidTransport�OSError)�selector�d�devr r r �DiscoverLocalHIDU2FDevices# s r c @ s� e Zd ZdZdZdZdZdZdZdZ dZ d Z e g d ��Z e d g�ZG d d � d e�ZG dd� de�Zd(dd�Zdd� Zdd� Zdd� Zdd� Zdd � Zd d � Zd d � Zd!d"� Zd#d$� Zd%d&� Z d'S ))r am Implements the U2FHID transport protocol. This class implements the U2FHID transport protocol from the FIDO U2F specs. This protocol manages fragmenting longer messages over a short hid frame (usually 64 bytes). It exposes an APDU channel through the MSG command as well as a series of other commands for configuring and interacting with the device. � � � � � � � � )� r r r � c @ s, e Zd ZdZdd� Zdd� Zedd� �ZdS ) zUsbHidTransport.InitPacketa� Represent an initial U2FHID packet. Represent an initial U2FHID packet. This packet contains metadata necessary to interpret the entire packet stream associated with a particular exchange (read or write). Attributes: packet_size: The size of the hid report (packet) used. Usually 64. cid: The channel id for the connection to the device. size: The size of the entire message to be sent (including all continuation packets) payload: The portion of the message to put into the init packet. This must be smaller than packet_size - 7 (the overhead for an init packet). c C s` || _ t|�dks"|dks"|dkr*t�� �t|�| j d krDt�� �|| _|| _|| _|| _d S )N� r i � )� packet_size�lenr �InvalidPacketError�cid�cmd�size�payload)�selfr r r! r" r# r r r �__init__V s z#UsbHidTransport.InitPacket.__init__c C sX t d�}| j|dd�< | j|d< t�d|d| j� | j|ddt| j� �< tt t |��S )�Serializes the packet.�@ r r �>H� r ) � bytearrayr r! �struct� pack_intor" r# r �list�map�int�r$ �retr r r � ToWireFormatb s z'UsbHidTransport.InitPacket.ToWireFormatc C sn t |�}t|�| kr t�� �|dd� }|d }t�dt|dd� ��d }|dd| � }t�| ||||�S )am Derializes the packet. Deserializes the packet from wire format. Args: packet_size: The size of all packets (usually 64) data: List of ints or bytearray containing the data from the wire. Returns: InitPacket object for specified data Raises: InvalidPacketError: if the data isn't a valid InitPacket r r r( r) r ) r* r r r r+ �unpack�bytesr � InitPacket)r �data�bar r! r" r# r r r �FromWireFormatk s z)UsbHidTransport.InitPacket.FromWireFormatN��__name__� __module__� __qualname__�__doc__r% r2 � staticmethodr8 r r r r r5 E s r5 c @ s, e Zd ZdZdd� Zdd� Zedd� �ZdS ) zUsbHidTransport.ContPacketa� Represents a continutation U2FHID packet. Represents a continutation U2FHID packet. These packets follow the intial packet and contains the remaining data in a particular message. Attributes: packet_size: The size of the hid report (packet) used. Usually 64. cid: The channel id for the connection to the device. seq: The sequence number for this continuation packet. The first continuation packet is 0 and it increases from there. payload: The payload to put into this continuation packet. This must be less than packet_size - 5 (the overhead of the continuation packet is 5). c C sF || _ || _|| _|| _t|�| j d kr2t�� �|dkrBt�� �d S )Nr) � )r r �seqr# r r r )r$ r r r@ r# r r r r% � s z#UsbHidTransport.ContPacket.__init__c C sH t | j�}| j|dd�< | j|d< | j|ddt| j� �< ttt|��S )r& r r r) ) r* r r r@ r# r r- r. r/ r0 r r r r2 � s z'UsbHidTransport.ContPacket.ToWireFormatc C sL t |�}t|�| kr t�� �|dd� }|d }|dd� }t�| |||�S )am Derializes the packet. Deserializes the packet from wire format. Args: packet_size: The size of all packets (usually 64) data: List of ints or bytearray containing the data from the wire. Returns: InitPacket object for specified data Raises: InvalidPacketError: if the data isn't a valid ContPacket r r r) N)r* r r r r � ContPacket)r r6 r7 r r@ r# r r r r8 � s z)UsbHidTransport.ContPacket.FromWireFormatNr9 r r r r rA � s rA � @c C s^ || _ |�� }|�� }||kr(t�d��|dkr:t�d��|| _|| _t�d�| _ | � � d S )Nz6unsupported device with different in/out packet sizes.r z unable to determine packet sizezpyu2f.hidtransport) � hid_deviceZGetInReportDataLengthZGetOutReportDataLengthr � HardwareErrorr �read_timeout_secs�logging� getLogger�logger� InternalInit)r$ rC rE Zin_sizeZout_sizer r r r% � s � zUsbHidTransport.__init__c C s | � tj|�}|S �N)�InternalExchanger � U2FHID_MSG)r$ �msg�rr r r � SendMsgBytes� s z UsbHidTransport.SendMsgBytesc C s | � tjt|g��S rJ )rK r � U2FHID_PROMPTr* )r$ �lengthr r r � SendBlink� s �zUsbHidTransport.SendBlinkc C s | � tjtg ��S rJ )rK r � U2FHID_WINKr* )r$ r r r �SendWink� s zUsbHidTransport.SendWinkc C s | � tj|�S rJ )rK r � U2FHID_PING)r$ r6 r r r �SendPing� s zUsbHidTransport.SendPingc C st t j| _tt�d��}| �t j|�}t|�dk r:t � d��|dd� |krTt � d��t|dd� �| _|d | _ dS )z.Initializes the device and obtains channel id.� � zunexpected init reply lenr znonce mismatch� N) r �U2FHID_BROADCAST_CIDr r* �os�urandomrK � U2FHID_INITr r �HidErrorZu2fhid_version)r$ �noncerN r r r rI � s z UsbHidTransport.InternalInitc C s� | j �dtt|�� � t� }||dd�< td�D ]l}| �||� | �� \}}|tj kr�|tj krnt � d� q2t �dt|d � ��n||kr�t �d��| S t �d��dS ) z-Sends and receives a message from the device.z payload: N� g �?zDevice error: %dr zCommand mismatch!zDevice Busy. Please retry)rH �debug�strr- r* �range� InternalSend� InternalRecvr � U2FHID_ERROR�ERR_CHANNEL_BUSY�time�sleepr r^ r/ )r$ r! Z payload_inr# �_Zret_cmdZ ret_payloadr r r rK � s z UsbHidTransport.InternalExchangec C s� t |�}| jd }|d|� }t�| j| j|t |�|�}|d|�= |t |�8 }| �|� d}|dkr�| jd }|d|� }|d|�= |t |�8 }t�| j| j||�} | �| � |d7 }q\dS )z8Sends a message to the device, including fragmenting it.r r r) r N)r r r r5 r �InternalSendPacketrA ) r$ r! r# Zlength_to_sendZ max_payloadZ first_frame� first_packetr@ Z next_frame� next_packetr r r rd s( � � z UsbHidTransport.InternalSendc C s, |� � }| j�dt|� � | j�|� d S )Nzsending packet: )r2 rH ra rb rC ZWrite)r$ �packetZwirer r r rk s z"UsbHidTransport.InternalSendPacketc C s" | j �� }| j�dt|� � |S )Nzrecv: )rC ZReadrH ra rb )r$ �framer r r �InternalReadFrame s z!UsbHidTransport.InternalReadFramec C s� | � � }tj�| j|�}|j}|jt|j� }d}|dkr�| � � }tj�| j|�}| j |j kr`q2||j krtt � d��|t|j�8 }|� |j� |d7 }q2|d|j� }|j|fS )z?Receives a message from the device, including defragmenting it.r z Packets received out of orderr )rp r r5 r8 r r# r" r rA r r@ r rD �extendr! )r$ Z first_readrl r6 Zto_readr@ Z next_readrm r r r re ) s* � � z UsbHidTransport.InternalRecvN)rB ) r: r; r< r= rU rL rS rP r] Z U2FHID_LOCKrf Z U2FHID_SYNCr* rZ rg �objectr5 rA r% rO rR rT rV rI rK rd rk rp re r r r r r . s0 ?? r ) r= rF r[ r+ rh �pyu2fr r r r rr r r r r r �<module> s