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socks.cpython-36.pyc
3 �2;Z~ � @ sX d Z ddlmZ ddlmZ ddlmZmZmZ ddl Z ddl m Z ddl Z ddl Z ddl mZ ddlZddlZddlZdZe jd kr�ejdCk r�y ddlZW n ek r� ed ��Y nX e je�Zd ZZd Z Z d Z Z ee e d�Z e!e"e j#� e j$� ��Z%ej Z&Z'dd� Z(G dd� de)�Z*G dd� de*�Z+G dd� de*�Z,G dd� de*�Z-G dd� de*�Z.G dd � d e*�Z/G d d � d e*�Z0d d d!d"�Z1d#d$d%d&d'd(d)d*d+�Z2ed,e d,e d-iZ3dDd/d0�Z4d1d2� Z5d3d4� Z6e6Z7d5d6� Z8e8Z9dEd7d8�Z:G d9d:� d:ej�Z;d;d<� Z<xBdFD ]:Ze=e;ed�Z>e?e>e��se;j@jAe� eBe;ee<e�� �qW G dAdB� dBe;�ZCdS )Ga� SocksiPy - Python SOCKS module. Copyright 2006 Dan-Haim. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 3. Neither the name of Dan Haim nor the names of his contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY DAN HAIM "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL DAN HAIM OR HIS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. This module provides a standard socket-like interface for Python for tunneling connections through SOCKS proxies. =============================================================================== Minor modifications made by Christopher Gilbert (http://motomastyle.com/) for use in PyLoris (http://pyloris.sourceforge.net/) Minor modifications made by Mario Vilas (http://breakingcode.wordpress.com/) mainly to merge bug fixes found in Sourceforge Modifications made by Anorov (https://github.com/Anorov) -Forked and renamed to PySocks -Fixed issue with HTTP proxy failure checking (same bug that was in the old ___recvall() method) -Included SocksiPyHandler (sockshandler.py), to be used as a urllib2 handler, courtesy of e000 (https://github.com/e000): https://gist.github.com/869791#file_socksipyhandler.py -Re-styled code to make it readable -Aliased PROXY_TYPE_SOCKS5 -> SOCKS5 etc. -Improved exception handling and output -Removed irritating use of sequence indexes, replaced with tuple unpacked variables -Fixed up Python 3 bytestring handling - chr(0x03).encode() -> b"" -Other general fixes -Added clarification that the HTTP proxy connection method only supports CONNECT-style tunneling HTTP proxies -Various small bug fixes � )� b64encode)�Callable)� EOPNOTSUPP�EINVAL�EAGAINN)�BytesIO)�SEEK_CURz1.6.7�nt� z8To run PySocks on Windows you must install win_inet_pton� � )�SOCKS4�SOCKS5�HTTPc s t j� �� fdd��}|S )Nc sp | d }zNy$|j � }|dkr&|jd� � | |�S tk rR } z� W Y d d }~X nX W d |dkrj|jd� X d S )Nr TF)� gettimeout� setblocking� Exception)�args�kwargs�selfZ _is_blocking�e)�function� �/usr/lib/python3.6/socks.py�wrapper] s z"set_self_blocking.<locals>.wrapper)� functools�wraps)r r r )r r �set_self_blocking[ s r c @ s" e Zd ZdZddd�Zdd� ZdS )� ProxyErrorz4Socket_err contains original socket.error exception.Nc C s( || _ || _|r$| j dj|�7 _ d S )Nz: {0})�msg� socket_err�format)r r r r r r �__init__p s zProxyError.__init__c C s | j S )N)r )r r r r �__str__w s zProxyError.__str__)N)�__name__� __module__� __qualname__�__doc__r" r# r r r r r n s r c @ s e Zd ZdS )�GeneralProxyErrorN)r$ r% r& r r r r r( { s r( c @ s e Zd ZdS )�ProxyConnectionErrorN)r$ r% r& r r r r r) s r) c @ s e Zd ZdS )�SOCKS5AuthErrorN)r$ r% r& r r r r r* � s r* c @ s e Zd ZdS )� SOCKS5ErrorN)r$ r% r& r r r r r+ � s r+ c @ s e Zd ZdS )� SOCKS4ErrorN)r$ r% r& r r r r r, � s r, c @ s e Zd ZdS )� HTTPErrorN)r$ r% r& r r r r r- � s r- zRequest rejected or failedzLRequest rejected because SOCKS server cannot connect to identd on the clientzPRequest rejected because the client program and identd report different user-ids)�[ �\ �] z General SOCKS server failurez!Connection not allowed by rulesetzNetwork unreachablezHost unreachablezConnection refusedz TTL expiredz(Command not supported, or protocol errorzAddress type not supported)r r r � � � � � i8 i� Tc C s. | ||||r|j � nd|r"|j � ndft_dS )z�Sets a default proxy. All further socksocket objects will use the default unless explicitly changed. All parameters are as for socket.set_proxy().N)�encode� socksocket� default_proxy)� proxy_type�addr�port�rdns�username�passwordr r r �set_default_proxy� s r? c O s d|kr|j d�|d< t| |�S )N� proxytyper9 )�popr? )r r r r r �setdefaultproxy� s rB c C s t jS )z4Returns the default proxy, set by set_default_proxy.)r7 r8 r r r r �get_default_proxy� s rC c C s t jrt | j_ntd��dS )a Attempts to replace a module's socket library with a SOCKS socket. Must set a default proxy using set_default_proxy(...) first. This will only work on modules that import socket directly into the namespace; most of the Python Standard Library falls into this category.zNo default proxy specifiedN)r7 r8 �socketr( )�moduler r r � wrap_module� s rF c C s8 | \} } | j d�r | jd�} |r4|j d�r4|jd�}d} x�tj||dtj�D ]�} | \}}}}}d}yxt|||�}| r�x| D ]}|j|� qzW t|tt f�r�|j |� |r�|j ||||||� |r�|j |� |j | | f� |S tjtfk �r } z |} |�r |j� d}W Y dd}~X qLX qLW | �r*| �tjd��dS )a� create_connection(dest_pair, *[, timeout], **proxy_args) -> socket object Like socket.create_connection(), but connects to proxy before returning the socket object. dest_pair - 2-tuple of (IP/hostname, port). **proxy_args - Same args passed to socksocket.set_proxy() if present. timeout - Optional socket timeout value, in seconds. source_address - tuple (host, port) for the socket to bind to as its source address before connecting (only for compatibility) �[z[]Nr zgai returned empty list.)� startswith�striprD � getaddrinfo� SOCK_STREAMr7 Z setsockopt� isinstance�int�float� settimeout� set_proxy�bind�connect�errorr) �close)� dest_pair�timeoutZsource_addressr9 � proxy_addr� proxy_portZ proxy_rdnsZproxy_usernameZproxy_passwordZsocket_optionsZ remote_hostZ remote_port�err�r�familyZ socket_type�protoZ canonnameZsaZsock�optr r r r �create_connection� s> r^ c @ s e Zd ZdZdd� Ze� ZdS )� _BaseSocketzBAllows Python 2 delegated methods such as send() to be overridden.c O sH t j| f|�|� t� | _x(| jD ] }t| |�| j|< t| |� q"W d S )N)� _orig_socketr" �dict� _savedmethods� _savenames�getattr�delattr)r �pos�kw�namer r r r" s z_BaseSocket.__init__N)r$ r% r& r' r" �listrc r r r r r_ s r_ c s � fdd�S )Nc s | j � ||�S )N)rb )r rf rg )rh r r �<lambda> s z _makemethod.<locals>.<lambda>r )rh r )rh r � _makemethod s rk �sendto�send�recvfrom�recvc s. e Zd ZdZdZejejdf� fdd� Zdd� Z � fdd �Z d d � Z d d � Z d5dd�Z dd� Z� fdd�Z� fdd�Zd6� fdd� Zd7� fdd� Zdd � Z� fd d �Zd d � ZeZd!d"� ZeZd#d$� ZeZd%d&� Z� fd'd(�Z d)d*� Z d+d,� Z d-d.� Z d/d0� Z e!e e"ee#e iZ$e%� fd1d2��Z&d3d4� Z'� Z(S )8r7 a2 socksocket([family[, type[, proto]]]) -> socket object Open a SOCKS enabled socket. The parameters are the same as those of the standard socket init. In order for SOCKS to work, you must specify family=AF_INET and proto=0. The "type" argument must be either SOCK_STREAM or SOCK_DGRAM. Nr c sp |t jt jfkr"d}t|j|���tt| �j|||f|�|� d | _| j rT| j | _ nd| _ d | _ d | _ d | _ d S )Nz0Socket type must be stream or datagram, not {!r})NNNNNN)rD rK � SOCK_DGRAM� ValueErrorr! �superr7 r" � _proxyconnr8 �proxy�proxy_sockname�proxy_peername�_timeout)r r[ �typer\ r r r )� __class__r r r" 1 s zsocksocket.__init__c C s@ d}x6t |�|k r:|j|t |� �}|s0td��||7 }qW |S )z�Receive EXACTLY the number of bytes requested from the file object. Blocks until the required number of bytes have been received.� z Connection closed unexpectedly)�len�readr( )r �file�count�data�dr r r �_readallC s zsocksocket._readallc s@ || _ y | j� }tt| �j| j � W n tjk r: Y nX d S )N)rw �get_proxy_peernamerr r7 rO rD rS )r rV Zpeer)ry r r rO O s zsocksocket.settimeoutc C s | j S )N)rw )r r r r r X s zsocksocket.gettimeoutc C s |r| j d � n | j d� d S )Ng )rO )r �vr r r r [ s zsocksocket.setblockingTc C s. |||||r|j � nd|r"|j � ndf| _dS )a� Sets the proxy to be used. proxy_type - The type of the proxy to be used. Three types are supported: PROXY_TYPE_SOCKS4 (including socks4a), PROXY_TYPE_SOCKS5 and PROXY_TYPE_HTTP addr - The address of the server (IP or DNS). port - The port of the server. Defaults to 1080 for SOCKS servers and 8080 for HTTP proxy servers. rdns - Should DNS queries be performed on the remote side (rather than the local side). The default is True. Note: This has no effect with SOCKS4 servers. username - Username to authenticate with to the server. The default is no authentication. password - Password to authenticate with to the server. Only relevant when username is also provided.N)r6 rt )r r9 r: r; r< r= r> r r r rP a s zsocksocket.set_proxyc O s" d|kr|j d�|d< | j||�S )Nr@ r9 )rA rP )r r r r r r �setproxyv s zsocksocket.setproxyc s� | j \}}}}}}| s$| jtjkr6tj| f|�|�S | jrHtjtd��|t kr`d} tjt | ��t t | �j||� | j � \} } d| f} t� | _| j� } | jj| � d}| j| j|| �\} }| \}} |\} } t t | �j|| f� t t | �j| j� d| _dS ) zVImplements proxy connection for UDP sockets. Happens during the bind() phase.z"Socket already bound to an addressz'UDP only supported by SOCKS5 proxy type�0� �0.0.0.0r N)r� r )rt rx rD rp r` rQ rs rS r r r rr r7 Z getsockname� _proxy_addrrR �_SOCKS5_requestrO rw ru )r rf rg r9 rW rX r< r= r> r �_r; �dstrt Z UDP_ASSOCIATEZrelay�host)ry r r rQ { s* zsocksocket.bindc s� | j tjkr$tt| �j|f|�|�S | js4| jd� |d }|d d� }t� }d}|j |� d}|j |� | j ||� tt| �j |j � | f|�|�} | |j � S ) N� r r s � )r� r ���r� )rx rD rp rr r7 rl rs rQ r �write�_write_SOCKS5_addressrm �getvalue�tell) r �bytesr r Zaddress�flags�headerZRSVZ STANDALONEZsent)ry r r rl � s zsocksocket.sendtoc s: | j tjkr | j||| jf|�S tt| �j||f|�S d S )N)rx rD rp rl rv rr r7 rm )r r� r� r )ry r r rm � s zsocksocket.sendc s� | j tjkr tt| �j||�S | js.| jd� ttt| �j |d |��}|j dt � |j d�}t |�rntd��| j|�\}}| jr�| j\}}||ks�|d|fkr�tjtd��|j |�||ffS ) Nr� r i r r z Received UDP packet fragmentzPacket filtered)r� r )rx rD rp rr r7 rn rs rQ r ro �seekr r| �ord�NotImplementedError�_read_SOCKS5_addressrv rS r ) r �bufsizer� ZbufZfragZfromhostZfromportZpeerhostZpeerport)ry r r rn � s zsocksocket.recvfromc O s | j ||�\}}|S )N)rn )r rf rg r� r� r r r ro � s zsocksocket.recvc s | j r| j j� tt| �j� S )N)rs rT rr r7 )r )ry r r rT � s zsocksocket.closec C s | j S )z:Returns the bound IP address and port number at the proxy.)ru )r r r r �get_proxy_sockname� s z socksocket.get_proxy_socknamec C s | j � S )z> Returns the IP and port number of the proxy. )� getpeername)r r r r r� � s z socksocket.get_proxy_peernamec C s | j S )zwReturns the IP address and port number of the destination machine. Note: get_proxy_peername returns the proxy.)rv )r r r r � get_peername� s zsocksocket.get_peernamec G s d}| j | ||�\| _| _dS )z7Negotiates a stream connection through a SOCKS5 server.� N)r� rv ru )r � dest_addrZCONNECTr r r �_negotiate_SOCKS5� s z socksocket._negotiate_SOCKS5c s� | j \}}}}}} |jd�} |jdd�} �z�|r@| r@| jd� n | jd� | j� | j| d�} | dd� dkrvtd ��| dd� d kr�| jd tt|��j� | tt| ��j� | � | j� | j| d�} | dd� d kr�td ��| dd� d kr�t d ��n6| dd� d k�r4| dd� dk�r,t d��ntd ��| jd| d � | j || �}| j� | j| d�}|dd� dk�r�td ��t |dd� �}|dk�r�t j |d�}tdj||���| j| �}tt| �j| j� ||fS | j� | j� X dS )z� Send SOCKS5 request with given command (CMD field) and address (DST field). Returns resolved DST address that was used. �wb�rbr s s r r � z%SOCKS5 proxy server sent invalid data� r� r� z SOCKS5 authentication failed� �z7All offered SOCKS5 authentication methods were rejectedr z Unknown errorz {0:#04x}: {1}N)rt �makefiler� �flushr� r( �chrr{ r6 r* r� r� � SOCKS5_ERRORS�getr+ r! r� rr r7 rO rw rT )r Zconn�cmdr� r9 r: r; r< r= r> �writer�readerZ chosen_authZ auth_statusZresolved�resp�statusrS Zbnd)ry r r r� � sX . zsocksocket._SOCKS5_requestc C sH |\}}| j \}}}}}} tjdtjdi} xrtjtjfD ]b} yDtj| |�} |j| | | � tj| | �}|jtjd|�� ||fS tj k r� w8Y q8X q8W |r�|j d�} |jdt t | ��j � | � nbtj ||tjtjtjtj�}|d }|d } |d d }tj| |�} |j| | | � tj| | �}|jtjd|�� ||fS )z~ Return the host and port packed for the SOCKS5 protocol, and the resolved address as a tuple object. r� � z>H�idnar� r r1 )rt rD �AF_INET�AF_INET6Z inet_ptonr� � inet_ntop�struct�packrS r6 r� r{ rJ Z AF_UNSPECrK Z IPPROTO_TCPZ AI_ADDRCONFIG)r r: r} r� r; r9 r� r< r= r> Zfamily_to_byter[ � addr_bytesZ host_bytesZ addressesZ target_addrr r r r� M s6 z socksocket._write_SOCKS5_addressc C s� | j |d�}|dkr(tj| j |d��}nN|dkrN| j |d�}| j |t|��}n(|dkrntjtj| j |d��}ntd��tjd| j |d ��d }||fS ) Nr r� r1 r� r� � z%SOCKS5 proxy server sent invalid dataz>Hr r ) r� rD � inet_ntoar� r� r� r( r� �unpack)r r} Zatypr: Zlengthr; r r r r� z s z socksocket._read_SOCKS5_addressc C s� | j \}}}}}}| jd�} | jdd�} �zLd} ytj|�} W n4 tjk rr |r^d} d} ntjtj|��} Y nX | jtjddd |�� | j| � |r�| j|� | jd � | r�| j|j d �d � | j � | j | d �} | dd � d kr�t d ��t | d d� �}|dk�r&tj|d�}tdj||���tj| dd� �tjd| dd� �d f| _| �rjtj| �|f| _n ||f| _W d| j� | j� X dS )z0Negotiates a connection through a SOCKS4 server.r� r� r Fs Tz>BBHr1 r r� r� r5 z%SOCKS4 proxy server sent invalid datar �Z z Unknown errorz {0:#04x}: {1}Nz>H)rt r� rD Z inet_atonrS � gethostbynamer� r� r� r6 r� r� r( r� � SOCKS4_ERRORSr� r, r! r� r� ru rv rT )r r� � dest_portr9 r: r; r< r= r> r� r� Zremote_resolver� r� r� rS r r r �_negotiate_SOCKS4� sH z socksocket._negotiate_SOCKS4c C sj | j \}}}}}}|r|ntj|�}d|jd� d t|�j� d d|jd� g} |rv|rv| jdt|d | � � | jd� | jdj| �� | j � } | j � } | j � | s�t d��y| j d d �\} } }W n tk r� t d ��Y nX | jd �s�t d ��y t| �} W n tk �r$ td��Y nX | dk�rVdj| |�}| dk�rN|d7 }t|��d| _||f| _dS )zwNegotiates a connection through an HTTP server. NOTE: This currently only supports HTTP CONNECT-style proxies.s CONNECT r� � :s HTTP/1.1s Host: s Proxy-Authorization: basic s z Connection closed unexpectedly� r z'HTTP proxy server sent invalid responsezHTTP/z0Proxy server does not appear to be an HTTP proxyz4HTTP proxy server did not return a valid HTTP status�� z{0}: {1}� � � za [*] Note: The HTTP proxy server may not be supported by PySocks (must be a CONNECT tunnel proxy)� 0.0.0.0r N)r� r� r� )r� r )rt rD r� r6 �str�appendr Zsendall�joinr� �readlinerT r( �splitrq rH rM r- r! ru rv )r r� r� r9 r: r; r< r= r> Z http_headersZfobjZ status_liner\ Z status_codeZ status_msgrS r r r �_negotiate_HTTP� sB zsocksocket._negotiate_HTTPc s t |�dks|d jd�r,tjdt|� ��|\}}| jtjkr~| jsP| jd � tj |�}|dkrp| rpd| _ n ||f| _ dS | j \}}}}}} t |t tf� s�t |�dks�| s�t |t� r�td��tt| �j| j� |dk�r|| _ tt| �j| j� tt| �j||f� dS | j� }ytt| �j|� W nn tjk �r� } zN| j� |\}}d j||�} t| } d j| | �} tjd | | � t | | ��W Y dd} ~ X ntX y| j | }|| ||� W nV tjk �r� } z| j� td | ��W Y dd} ~ X n t k �r | j� � Y nX dS )z� Connects to the specified destination through a proxy. Uses the same API as socket's connect(). To select the proxy server, use set_proxy(). dest_pair - 2-tuple of (IP/hostname, port). r r rG z PySocks doesn't support IPv6: %sr� z0.0.0.0Nz0Invalid destination-connection (host, port) pairz{0}:{1}z!Error connecting to {0} proxy {1}z %s due to: %sz Socket error)r� r ) r{ rH rD rS r� rx rp rs rQ r� rv rt rL ri �tuplerM r( rr r7 rO rw rR r� rT r! �PRINTABLE_PROXY_TYPES�log�debugr) �_proxy_negotiatorsr )r rU r� r� r9 rW rX r< r= r> rS Z proxy_serverZprintable_typer Z negotiate)ry r r rR s\ zsocksocket.connectc C s4 | j \}}}}}}|p tj|�}|s,td��||fS )zD Return proxy address to connect to as tuple object zInvalid proxy type)rt � DEFAULT_PORTSr� r( )r r9 rW rX r< r= r> r r r r� ] s zsocksocket._proxy_addr)NNNTNN)r )r ))r$ r% r& r' r8 rD r� rK r" r� rO r r rP r� rQ rl rm rn ro rT r� Zgetproxysocknamer� Zgetproxypeernamer� r� r� r� r� r� r� r� r r r r� r rR r� � __classcell__r r )ry r r7 & sD % Z-<<Wr7 )r r )NNNTNN) NNNNNTNNN)rl rm rn ro )Dr' �base64r � collectionsr �errnor r r r �ior Zlogging�osr rD r� �sys� __version__rh � version_infoZ win_inet_pton� ImportErrorZ getLoggerr$ r� ZPROXY_TYPE_SOCKS4r ZPROXY_TYPE_SOCKS5r ZPROXY_TYPE_HTTPr Z PROXY_TYPESra �zip�values�keysr� Z _orgsocketr` r �IOErrorr r( r) r* r+ r, r- r� r� r� r? rB rC ZgetdefaultproxyrF Z wrapmoduler^ r_ rk rd �methodrL rc r� �setattrr7 r r r r �<module>7 s� 8
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