Edit file File name : sslproto.cpython-36.opt-2.pyc Content :3 \�e � @ s� d dl Z d dlZy d dlZW n ek r4 dZY nX ddlmZ ddlmZ ddlmZ ddlmZ ddl m Z dd � Z d d � Z d Z d ZdZdZG dd� de�ZG dd� dejej�ZG dd� dej�ZdS )� N� )� base_events)�compat)� protocols)� transports)�loggerc C sj | r t d��ttd�r*tj� }|sfd|_n<tjtj�}| jtjO _| jtj O _|j � tj |_ |S )Nz(Server side SSL needs a valid SSLContext�create_default_contextF) � ValueError�hasattr�sslr �check_hostnameZ SSLContextZPROTOCOL_SSLv23ZoptionsZ OP_NO_SSLv2Z OP_NO_SSLv3Zset_default_verify_pathsZ CERT_REQUIRED� verify_mode)� server_side�server_hostname� sslcontext� r �(/usr/lib64/python3.6/asyncio/sslproto.py�_create_transport_context s r c C s t td�S )N� MemoryBIO)r r r r r r �_is_sslproto_available% s r Z UNWRAPPEDZ DO_HANDSHAKEZWRAPPEDZSHUTDOWNc @ sz e Zd ZdZddd�Zedd� �Zedd � �Zed d � �Zed d � �Z d dd�Z d dd�Z dd� Z d dd�Z d dd�ZdS ) �_SSLPipe� i Nc C sH || _ || _|| _t| _tj� | _tj� | _d | _ d| _ d | _ d | _ d S )NF) �_context� _server_side�_server_hostname� _UNWRAPPED�_stater r � _incoming� _outgoing�_sslobj� _need_ssldata� _handshake_cb� _shutdown_cb)�self�contextr r r r r �__init__D s z_SSLPipe.__init__c C s | j S )N)r )r# r r r r$ Z s z_SSLPipe.contextc C s | j S )N)r )r# r r r � ssl_object_ s z_SSLPipe.ssl_objectc C s | j S )N)r )r# r r r � need_ssldatag s z_SSLPipe.need_ssldatac C s | j tkS )N)r �_WRAPPED)r# r r r �wrappedm s z_SSLPipe.wrappedc C sR | j tkrtd��| jj| j| j| j| jd�| _ t | _ || _ | j ddd�\}}|S )Nz"handshake in progress or completed)r r � T)�only_handshake) r r � RuntimeErrorr Zwrap_bior r r r r � _DO_HANDSHAKEr! � feed_ssldata)r# �callback�ssldata�appdatar r r � do_handshakev s z_SSLPipe.do_handshakec C sB | j tkrtd��| j tkr$td��t| _ || _| jd�\}}|S )Nzno security layer presentzshutdown in progressr* )r r r, � _SHUTDOWNr" r. )r# r/ r0 r1 r r r �shutdown� s z_SSLPipe.shutdownc C s | j j� | jd�\}}d S )Nr* )r Z write_eofr. )r# r0 r1 r r r �feed_eof� s z_SSLPipe.feed_eofFc C s� | j tkr"|r|g}ng }g |fS d| _|r8| jj|� g }g }y�| j tkrx| jj� t| _ | j rl| j d � |rx||fS | j tkr�xn| jj | j �}|j |� |s�P q�W nJ| j t kr�| jj� d | _t| _ | jr�| j� n| j tkr�|j | jj � � W nx tjtjfk �rl } zRt|dd �tjtjtjfk�rN| j tk�rL| j �rL| j |� � |jtjk| _W Y d d }~X nX | jj�r�|j | jj � � ||fS )NF�errno)r r r r �writer- r r2 r( r! �read�max_size�appendr3 Zunwrapr" r �SSLError�CertificateError�getattr�SSL_ERROR_WANT_READ�SSL_ERROR_WANT_WRITE�SSL_ERROR_SYSCALLr6 r �pending)r# �datar+ r1 r0 �chunk�excr r r r. � sV z_SSLPipe.feed_ssldatar c C s | j tkr6|t|�k r&||d � g}ng }|t|�fS g }t|�}x�d| _y(|t|�k rp|| jj||d � �7 }W n\ tjk r� } z>|j dkr�tj |_ |j tj tj tj fkr�� |j tj k| _W Y d d }~X nX | jjr�|j| jj� � |t|�ks�| jrDP qDW ||fS )NFZPROTOCOL_IS_SHUTDOWN)r r �len� memoryviewr r r7 r r; �reasonr> r6 r? r@ r rA r: r8 )r# rB �offsetr0 ZviewrD r r r � feed_appdata� s2 z_SSLPipe.feed_appdatai )N)N)N)F)r )�__name__� __module__� __qualname__r9 r% �propertyr$ r& r' r) r2 r4 r5 r. rI r r r r r 0 s Jr c @ s� e Zd Zdd� Zd dd�Zdd� Zdd � Zd d � Zd d � Ze j rHdd� Z dd� Z dd� Z d dd�Zdd� Zdd� Zdd� Zd d � ZdS ) �_SSLProtocolTransportc C s || _ || _d| _d S )NF)�_loop� _ssl_protocol�_closed)r# �loopZ ssl_protocolr r r r% ) s z _SSLProtocolTransport.__init__Nc C s | j j||�S )N)rP �_get_extra_info)r# �name�defaultr r r �get_extra_info/ s z$_SSLProtocolTransport.get_extra_infoc C s || j _d S )N)rP � _app_protocol)r# �protocolr r r � set_protocol3 s z"_SSLProtocolTransport.set_protocolc C s | j jS )N)rP rW )r# r r r � get_protocol6 s z"_SSLProtocolTransport.get_protocolc C s | j S )N)rQ )r# r r r � is_closing9 s z _SSLProtocolTransport.is_closingc C s d| _ | jj� d S )NT)rQ rP �_start_shutdown)r# r r r �close< s z_SSLProtocolTransport.closec C s& | j s"tjd| t| d� | j� d S )Nzunclosed transport %r)�source)rQ �warnings�warn�ResourceWarningr] )r# r r r �__del__K s z _SSLProtocolTransport.__del__c C s | j jj� d S )N)rP � _transport� pause_reading)r# r r r rd Q s z#_SSLProtocolTransport.pause_readingc C s | j jj� d S )N)rP rc �resume_reading)r# r r r re Y s z$_SSLProtocolTransport.resume_readingc C s | j jj||� d S )N)rP rc �set_write_buffer_limits)r# ZhighZlowr r r rf a s z-_SSLProtocolTransport.set_write_buffer_limitsc C s | j jj� S )N)rP rc �get_write_buffer_size)r# r r r rg v s z+_SSLProtocolTransport.get_write_buffer_sizec C s< t |tttf�s$tdjt|�j���|s,d S | jj |� d S )Nz/data: expecting a bytes-like instance, got {!r}) � isinstance�bytes� bytearrayrF � TypeError�format�typerJ rP �_write_appdata)r# rB r r r r7 z s z_SSLProtocolTransport.writec C s dS )NFr )r# r r r � can_write_eof� s z#_SSLProtocolTransport.can_write_eofc C s | j j� d S )N)rP �_abort)r# r r r �abort� s z_SSLProtocolTransport.abort)N)NN)rJ rK rL r% rV rY rZ r[ r] r ZPY34rb rd re rf rg r7 ro rq r r r r rN & s rN c @ s� e Zd Zd'dd�Zd(dd�Zdd � Zd d � Zd d � Zdd� Zdd� Z dd� Z d)dd�Z dd� Z dd� Z dd� Zd d � Zd d � Zd*d!d"�Zd#d$� Zd%d&� ZdS )+� SSLProtocolFNTc C s� t d krtd��|s t||�}|| _|r6| r6|| _nd | _|| _t|d�| _tj � | _ d| _ || _ || _ || _t| j | �| _d | _d| _d| _d| _d | _|| _d S )Nz stdlib ssl module not available)r r F)r r, r r r � _sslcontext�dict�_extra� collections�deque�_write_backlog�_write_buffer_size�_waiterrO rW rN �_app_transport�_sslpipe�_session_established� _in_handshake� _in_shutdownrc �_call_connection_made)r# rR Z app_protocolr Zwaiterr r Zcall_connection_mader r r r% � s, zSSLProtocol.__init__c C sD | j d krd S | j j� s:|d k r.| j j|� n | j jd � d | _ d S )N)rz Z cancelledZ set_exceptionZ set_result)r# rD r r r �_wakeup_waiter� s zSSLProtocol._wakeup_waiterc C s& || _ t| j| j| j�| _| j� d S )N)rc r rs r r r| �_start_handshake)r# � transportr r r �connection_made� s zSSLProtocol.connection_madec C s8 | j r d| _ | jj| jj|� d | _d | _| j|� d S )NF)r} rO � call_soonrW �connection_lostrc r{ r� )r# rD r r r r� � s zSSLProtocol.connection_lostc C s | j j� d S )N)rW � pause_writing)r# r r r r� � s zSSLProtocol.pause_writingc C s | j j� d S )N)rW �resume_writing)r# r r r r� � s zSSLProtocol.resume_writingc C s� | j d krd S y| j j|�\}}W nH tjk rj } z*| jj� rTtjd| |j|j � | j � d S d }~X nX x|D ]}| j j |� qrW x(|D ] }|r�| j j|� q�| j� P q�W d S )Nz %r: SSL error %s (reason %s))r| r. r r; rO � get_debugr �warningr6 rG rp rc r7 rW � data_receivedr\ )r# rB r0 r1 �erC r r r r� � s" zSSLProtocol.data_receivedc C sT zB| j j� rtjd| � | jt� | js@| jj� }|r@tj d� W d | j j � X d S )Nz%r received EOFz?returning true from eof_received() has no effect when using ssl) rO r� r �debugr� �ConnectionResetErrorr~ rW � eof_receivedr� rc r] )r# Z keep_openr r r r� s zSSLProtocol.eof_receivedc C s4 || j kr| j | S | jd k r,| jj||�S |S d S )N)ru rc rV )r# rT rU r r r rS ! s zSSLProtocol._get_extra_infoc C s. | j r d S | jr| j� nd| _ | jd� d S )NTr* )r r~ rp rn )r# r r r r\ ) s zSSLProtocol._start_shutdownc C s. | j j|df� | jt|�7 _| j� d S )Nr )rx r: ry rE �_process_write_backlog)r# rB r r r rn 2 s zSSLProtocol._write_appdatac C sH | j j� r$tjd| � | j j� | _nd | _d| _| jjd� | j � d S )Nz%r starts SSL handshakeTr* r )r* r ) rO r� r r� �time�_handshake_start_timer~ rx r: r� )r# r r r r� 7 s z SSLProtocol._start_handshakec C sT d| _ | jj}yF|d k r |�|j� }t| jd�sR| jrR| jjtj krRtj || j� W n~ t k r� } zb| j j � r�t|tj�r�tjd| dd� ntjd| dd� | jj� t|t�r�| j|� d S � W Y d d }~X nX | j j � �r| j j� | j }tjd| |d � | jj||j� |j � |d � | j �r4| j j | j � | j� d| _!| j j"| j#� d S ) NFr z5%r: SSL handshake failed on verifying the certificateT)�exc_infoz%r: SSL handshake failedz %r: SSL handshake took %.1f msg @�@)�peercert�cipher� compressionr& )$r~ r| r& Z getpeercertr rs r r r Z CERT_NONEZmatch_hostname� BaseExceptionrO r� rh r< r r� rc r] � Exceptionr� r� r� r� ru �updater� r� r� rW r� r{ r} r� r� )r# Z handshake_excZsslobjr� rD Zdtr r r �_on_handshake_completeC sD z"SSLProtocol._on_handshake_completec C s> | j d ks| jd krd S y�x�tt| j��D ]�}| jd \}}|rT| jj||�\}}n*|rl| jj| j�}d}n| jj| j �}d}x|D ]}| j j |� q�W |t|�k r�||f| jd< | j j r�| j j � P | jd= | j t|�8 _ q*W W nR tk �r8 } z4| j�r| j|� n | j|d� t|t��s(� W Y d d }~X nX d S )Nr r z Fatal error on SSL transport)rc r| �rangerE rx rI r2 r� r4 � _finalizer7 Z_pausedre ry r� r~ � _fatal_errorrh r� )r# �irB rH r0 rC rD r r r r� w s8 z"SSLProtocol._process_write_backlog�Fatal error on transportc C sX t |tj�r*| jj� rBtjd| |dd� n| jj||| j| d�� | jrT| jj |� d S )Nz%r: %sT)r� )�messageZ exceptionr� rX ) rh r Z_FATAL_ERROR_IGNORErO r� r r� Zcall_exception_handlerrc Z _force_close)r# rD r� r r r r� � s zSSLProtocol._fatal_errorc C s d | _ | jd k r| jj� d S )N)r| rc r] )r# r r r r� � s zSSLProtocol._finalizec C s( z| j d k r| j j� W d | j� X d S )N)rc rq r� )r# r r r rp � s zSSLProtocol._abort)FNT)N)N)r� )rJ rK rL r% r� r� r� r� r� r� r� rS r\ rn r� r� r� r� r� rp r r r r rr � s$ " 4, rr )rv r_ r � ImportError� r r r r �logr r r r r- r( r3 �objectr Z_FlowControlMixinZ TransportrN ZProtocolrr r r r r �<module> s* wnSave