Your IP : 18.221.157.203
U
i�fJj � @ s� d dl Z d dlZz d dlZW n ek
r4 dZY nX ddlmZ ddlmZ ddlmZ ddlmZ ddl m
Z
dd � Z d
Z d Z
d Zd
ZG dd� de�ZG dd� dejej�ZG dd� dej�ZdS )� N� )� base_events)� constants)� protocols)�
transports)�loggerc C s" | r t d��t�� }|s d|_|S )Nz(Server side SSL needs a valid SSLContextF)�
ValueError�sslZcreate_default_contextZcheck_hostname)� server_side�server_hostname�
sslcontext� r
�5/opt/alt/python38/lib64/python3.8/asyncio/sslproto.py�_create_transport_context s r Z UNWRAPPEDZ DO_HANDSHAKEZWRAPPEDZSHUTDOWNc @ sz e Zd ZdZddd�Zedd� �Zedd� �Zed d
� �Zed d � �Z dd
d�Z
ddd�Z dd� Z d dd�Z
d dd�ZdS ) �_SSLPipei Nc C sH || _ || _|| _t| _t�� | _t�� | _d | _ d| _
d | _ d | _ d S �NF)
�_context� _server_side�_server_hostname�
_UNWRAPPED�_stater Z MemoryBIO� _incoming� _outgoing�_sslobj�
_need_ssldata�
_handshake_cb� _shutdown_cb)�self�contextr
r r
r
r �__init__8 s
z_SSLPipe.__init__c C s | j S �N)r �r r
r
r r N s z_SSLPipe.contextc C s | j S r )r r! r
r
r �
ssl_objectS s z_SSLPipe.ssl_objectc C s | j S r )r r! r
r
r � need_ssldata[ s z_SSLPipe.need_ssldatac C s
| j tkS r )r �_WRAPPEDr! r
r
r �wrappeda 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_handshakej s
�z_SSLPipe.do_handshakec C sB | j tkrtd��| j tkr$td��t| _ || _| �d�\}}|S )Nzno security layer presentzshutdown in progressr& )r r r( � _SHUTDOWNr r* r+ r
r
r �shutdown s
z_SSLPipe.shutdownc C s | j �� | �d�\}}d S )Nr& )r Z write_eofr* )r r- r. r
r
r �feed_eof� s
z_SSLPipe.feed_eofFc
C s� | j tkr"|r|g}ng }g |fS d| _|r8| j�|� g }g }z�| j tkrz| j�� t| _ | j rl| � d � |rz||fW S | j tkr�| j�
| j �}|� |� |s�q�q�nJ| j t
kr�| j�� d | _t| _ | jr�| �� n| j tkr�|� | j�
� � W nz tjtjfk
�rl } zRt|dd �}|tjtjtjfk�rP| j tk�rN| j �rN| � |� � |tjk| _W 5 d }~X Y nX | jj�r�|� | j�
� � ||fS )NF�errno)r r r r �writer) r r/ r$ r �read�max_size�appendr0 Zunwrapr r �SSLError�CertificateError�getattr�SSL_ERROR_WANT_READ�SSL_ERROR_WANT_WRITE�SSL_ERROR_SYSCALLr �pending)r �datar' r. r- �chunk�exc� exc_errnor
r
r r* � sZ
�
z_SSLPipe.feed_ssldatar c
C s | j tkr6|t|�k r&||d � g}ng }|t|�fS g }t|�}d| _z(|t|�k rn|| j�||d � �7 }W nh tjk
r� } zHt |dd �}|j
dkr�tj }|_ |tj tj
tjfkr�� |tj k| _W 5 d }~X Y nX | jjr�|�| j�� � |t|�k�s | jrB�q qB||fS )NFr3 ZPROTOCOL_IS_SHUTDOWN)r r �len�
memoryviewr r r4 r r8 r: �reasonr; r3 r< r= r r> r7 r5 )r r? �offsetr- ZviewrA rB r
r
r � feed_appdata� s4
� z_SSLPipe.feed_appdata)N)N)N)F)r )�__name__�
__module__� __qualname__r6 r �propertyr r" r# r% r/ r1 r2 r* rG r
r
r
r r $ s
Kr c @ s� e Zd ZejjZdd� Zd"dd�Zdd� Z dd � Z
d
d � Z d d
� Z e
jfdd�Zdd� Zdd� Zdd� Zd#dd�Zdd� Zedd� �Zd d � Zd d � Zd d!� ZdS )$�_SSLProtocolTransportc C s || _ || _d| _d S r )�_loop�
_ssl_protocol�_closed)r �loopZ ssl_protocolr
r
r r ! s z _SSLProtocolTransport.__init__Nc C s | j �||�S r )rN �_get_extra_info�r �name�defaultr
r
r �get_extra_info' s z$_SSLProtocolTransport.get_extra_infoc C s | j �|� d S r )rN �_set_app_protocol)r �protocolr
r
r � set_protocol+ s z"_SSLProtocolTransport.set_protocolc C s | j jS r )rN �
_app_protocolr! r
r
r � get_protocol. s z"_SSLProtocolTransport.get_protocolc C s | j S r )rO r! r
r
r �
is_closing1 s z _SSLProtocolTransport.is_closingc C s d| _ | j�� d S �NT)rO rN �_start_shutdownr! r
r
r �close4 s z_SSLProtocolTransport.closec C s& | j s"|d| ��t| d� | �� d S )Nzunclosed transport )�source)rO �ResourceWarningr^ )r Z_warnr
r
r �__del__? s z _SSLProtocolTransport.__del__c C s | j j}|d krtd��|�� S )Nz*SSL transport has not been initialized yet)rN �
_transportr( �
is_reading)r Ztrr
r
r rc D s z _SSLProtocolTransport.is_readingc C s | j j�� d S r )rN rb �
pause_readingr! r
r
r rd J s z#_SSLProtocolTransport.pause_readingc C s | j j�� d S r )rN rb �resume_readingr! r
r
r re R s z$_SSLProtocolTransport.resume_readingc C s | j j�||� d S r )rN rb �set_write_buffer_limits)r ZhighZlowr
r
r rf Z s z-_SSLProtocolTransport.set_write_buffer_limitsc C s | j j�� S r )rN rb �get_write_buffer_sizer! r
r
r rg o s z+_SSLProtocolTransport.get_write_buffer_sizec C s
| j jjS r )rN rb �_protocol_pausedr! r
r
r rh s s z&_SSLProtocolTransport._protocol_pausedc C s< t |tttf�s$tdt|�j� ���|s,d S | j�|� d S )Nz+data: expecting a bytes-like instance, got ) �
isinstance�bytes� bytearrayrD � TypeError�typerH rN �_write_appdata�r r? r
r
r r4 x s
z_SSLProtocolTransport.writec C s dS r r
r! r
r
r �
can_write_eof� s z#_SSLProtocolTransport.can_write_eofc C s | j �� d| _d S r\ )rN �_abortrO r! r
r
r �abort� s
z_SSLProtocolTransport.abort)N)NN)rH rI rJ r Z
_SendfileModeZFALLBACKZ_sendfile_compatibler rU rX rZ r[ r^ �warnings�warnra rc rd re rf rg rK rh r4 rp rr r
r
r
r rL s$
rL c @ s� e Zd Zd+dd�Zdd� Zd,dd �Zd
d � Zd d
� Zdd� Zdd� Z dd� Z
dd� Z d-dd�Z dd� Z
dd� Zd d � Zd d � Zd d!� Zd"d#� Zd.d%d&�Zd'd(� Zd)d*� ZdS )/� SSLProtocolFNTc C s� t d krtd��|d kr tj}n|dkr6td|� ���|sDt||�}|| _|rZ|sZ|| _nd | _|| _t |d�| _
t � � | _
d| _|| _|| _| �|� t| j| �| _d | _d| _d| _d| _d | _|| _|| _d S )Nz stdlib ssl module not availabler z7ssl_handshake_timeout should be a positive number, got )r F)r r( r ZSSL_HANDSHAKE_TIMEOUTr r r r � _sslcontext�dict�_extra� collections�deque�_write_backlog�_write_buffer_size�_waiterrM rV rL �_app_transport�_sslpipe�_session_established�
_in_handshake� _in_shutdownrb �_call_connection_made�_ssl_handshake_timeout) r rP � app_protocolr Zwaiterr
r Zcall_connection_madeZssl_handshake_timeoutr
r
r r � s@ � �
zSSLProtocol.__init__c C s || _ t|tj�| _d S r )rY ri r ZBufferedProtocol�_app_protocol_is_buffer)r r� r
r
r rV � s
�z SSLProtocol._set_app_protocolc C sD | j d krd S | j �� s:|d k r.| j �|� n | j �d � d | _ d S r )r} Z cancelledZ
set_exceptionZ
set_result�r rA r
r
r �_wakeup_waiter� s
zSSLProtocol._wakeup_waiterc C s& || _ t| j| j| j�| _| �� d S r )rb r rv r r r �_start_handshake)r � transportr
r
r �connection_made� s �zSSLProtocol.connection_madec C sn | j r d| _ | j�| jj|� n| jd k r2d| j_d | _d | _t| dd �rT| j �
� | � |� d | _d | _ d S )NFT�_handshake_timeout_handle)
r� rM � call_soonrY �connection_lostr~ rO rb r: r� �cancelr� r r� r
r
r r� � s
zSSLProtocol.connection_lostc C s | j �� d S r )rY �
pause_writingr! r
r
r r� � s zSSLProtocol.pause_writingc C s | j �� d S r )rY �resume_writingr! r
r
r r� s zSSLProtocol.resume_writingc C s" | j d krd S z| j �|�\}}W nL ttfk
r< � Y n4 tk
rn } z| �|d� W Y �d S d }~X Y nX |D ]}| j�|� qt|D ]�}|�rz&| jr�t �
| j |� n | j � |� W nP ttfk
r� � Y n8 tk
�r
} z| �|d� W Y � d S d }~X Y nX q�| �
� �q q�d S )NzSSL error in data receivedz/application protocol failed to receive SSL data)r r* �
SystemExit�KeyboardInterrupt�
BaseException� _fatal_errorrb r4 r� r Z _feed_data_to_buffered_protorY �
data_receivedr] )r r? r- r. �er@ Zexr
r
r r� s<
� � zSSLProtocol.data_receivedc C sT zB| j�� rt�d| � | �t� | js@| j �
� }|r@t� d� W 5 | j �� X d S )Nz%r received EOFz?returning true from eof_received() has no effect when using ssl) rb r^ rM � get_debugr �debugr� �ConnectionResetErrorr� rY � eof_receivedZwarning)r Z keep_openr
r
r r� - s
zSSLProtocol.eof_receivedc C s4 || j kr| j | S | jd k r,| j�||�S |S d S r )rx rb rU rR r
r
r rQ C s
zSSLProtocol._get_extra_infoc C s. | j r
d S | jr| �� nd| _ | �d� d S )NTr& )r� r� rq rn r! r
r
r r] K s
zSSLProtocol._start_shutdownc C s. | j �|df� | jt|�7 _| �� d S )Nr )r{ r7 r| rC �_process_write_backlogro r
r
r rn T s zSSLProtocol._write_appdatac C s\ | j �� r$t�d| � | j �� | _nd | _d| _| j�d� | j � | j
| j �| _ | �
� d S )Nz%r starts SSL handshakeT)r& r )rM r� r r� �time�_handshake_start_timer� r{ r7 Z
call_laterr� �_check_handshake_timeoutr� r� r! r
r
r r� Y s
��z SSLProtocol._start_handshakec C s* | j dkr&d| j� d�}| �t|�� d S )NTz$SSL handshake is taking longer than z! seconds: aborting the connection)r� r� r� �ConnectionAbortedError)r �msgr
r
r r� h s
�z$SSLProtocol._check_handshake_timeoutc
C s d| _ | j�� | jj}z|d k r&|�|�� }W nb ttfk
rJ � Y nJ tk
r� } z,t |t
j �rld}nd}| � ||� W Y �d S d }~X Y nX | j
�� r�| j
�� | j }t�d| |d � | jj||�� |�� |d� | jr�| j�| j� | �� d| _ | j
� | j � d S )NFz1SSL handshake failed on verifying the certificatezSSL handshake failedz %r: SSL handshake took %.1f msg @�@)�peercert�cipher� compressionr" T) r� r� r� r r" Z getpeercertr� r� r� ri r r9 r� rM r� r� r� r r� rx �updater� r� r� rY r� r~ r� r� r� r� )r Z
handshake_excZsslobjr� rA r� Zdtr
r
r �_on_handshake_completeq s8
�z"SSLProtocol._on_handshake_completec
C sB | j d ks| jd krd S z�tt| j��D ]�}| jd \}}|rR| j�||�\}}n*|rj| j�| j�}d}n| j�| j �}d}|D ]}| j �
|� q�|t|�k r�||f| jd< | j j r�| j � � q�| jd= | j
t|�8 _
q(W n\ ttfk
r� � Y nD tk
�r< } z$| j�r | �|� n | �|d� W 5 d }~X Y nX d S )Nr r z Fatal error on SSL transport)rb r �rangerC r{ rG r/ r� r1 � _finalizer4 Z_pausedre r| r� r� r� r� r� )r �ir? rF r- r@ rA r
r
r r� � s: �
z"SSLProtocol._process_write_backlog�Fatal error on transportc C sV t |t�r(| j�� r@tjd| |dd� n| j�||| j| d�� | jrR| j�|� d S )Nz%r: %sT)�exc_info)�messageZ exceptionr� rW ) ri �OSErrorrM r� r r� Zcall_exception_handlerrb Z _force_close)r rA r� r
r
r r� � s
�zSSLProtocol._fatal_errorc C s d | _ | jd k r| j�� d S r )r rb r^ r! r
r
r r� � s
zSSLProtocol._finalizec C s( z| jd k r| j�� W 5 | � � X d S r )r� rb rr r! r
r
r rq � s
zSSLProtocol._abort)FNTN)N)N)r� )rH rI rJ r rV r� r� r� r� r� r� r� rQ r] rn r� r� r� r� r� r� rq r
r
r
r ru � s. �
.
&
)+
ru )ry rs r � ImportError� r r r r �logr r r r) r$ r0 �objectr Z_FlowControlMixinZ TransportrL ZProtocolru r
r
r
r �<module> s*
y�x