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a k�h�z � @ sx d Z ddlZddlZddlZddlZddlZddlZddlZddlZddl Z ddl Z ddl m Z m Z mZ ddlmZmZmZ ddlmZmZmZmZ ddlmZmZmZm Z ddl m Z ddl m Z m!Z!m"Z" dd l#m$Z$ G d d � d ej%�Z&d d � Z'dd� Z(dd� Z)dd� Z*dd� Z+G dd� d�Z,G dd� de j-�Z.e/e.de.j0� G dd � d ej1�Z1G d d � d ej2�Z3e4d k�rte'� dS ) z0 Implementation module for the I{cftp} command. � N)�List�Optional�Union)�connect�default�options)�channel�common� connection� filetransfer)�defer�reactor�stdio�utils)�basic)�failure�log�usage)�FilePathc @ sz e Zd ZU dZdZg d�g d�g d�g d�gZeeeee e f e d< e j dd ie �� e jd d �gd �Zddd�Zd S )� ClientOptionsz�Usage: cftp [options] [user@]host cftp [options] [user@]host[:dir[/]] cftp [options] [user@]host[:file [localfile]] zncftp is a client for logging into a remote machine and executing commands to send and receive file information)� buffersize�Bi � z0Size of the buffer to use for sending/receiving.)� batchfile�bNz-File to read commands from, or '-' for stdin.)�requests�R� z6Number of requests to make before 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r? c C s8 da z t�� W n ty" Y n0 t�t�� � � d S )Nr5 )Z exitStatusr �stop� BaseExceptionr �errr �Failurer, r, r, r- � handleErrorU s rG c C s� d| d v r(| d � dd�\| d< | d< | d }| d sDt�� | d< | d sVd| d< nt| d �| d< | d }| d }t� }| |_tj}t�| d | |�}t � ||| ||�� t � d S )N�@r' r% �user�port� ) r) �getpass�getuserr3 � SSHConnectionr r Z verifyHostKeyZSSHUserAuthClientr � addErrback�_ebExit)r r' rJ �connZvhkZuaor, r, r- r> ` s r> c C sJ t | jd�r| jj}nt| �}t|� z t�� W n tyD Y n0 d S )N�value)�hasattrrR r2 r: r rC rD )�fr r, r, r- rP s s rP c G s d S �Nr, )r@ r, r, r- �_ignore s rV c @ s e Zd Zdd� Zdd� ZdS )� FileWrapperc C s& || _ d| _|�dd� |�� | _d S )N� r r5 )rT �total�seek�tell�size�r+ rT r, r, r- �__init__� s zFileWrapper.__init__c C s t | j|�S rU )�getattrrT )r+ �attrr, r, r- � __getattr__� s zFileWrapper.__getattr__N)r/ r0 r1 r^ ra r, r, r, r- rW � s rW c @ s� e Zd ZeZdZdZeZd{dd�Zdd� Z dd � Z d d � Z d d � Z dd� Z dd� Zdd� Zdd� Zdd� Zdd� Zdd� Zd d � Zd d � Zd d!� Zd"d#� Zd|d$d%�Zd&d'� Zd(d)� Zd*d+� Zd,d-� Z d.d/� Z d0d1� Z d2d3� Z d4d5� Z d6d7� Z!d8d9� Z"d:d;� Z#d<d=� Z$d}d?d@�Z%dAdB� Z&dCdD� Z'dEdF� Z(dGdH� Z)dIdJ� Z*dKdL� Z+dMdN� Z,dOdP� Z-dQdR� Z.dSdT� Z/dUdV� Z0dWdX� Z1dYdZ� Z2d[d\� Z3d]d^� Z4e4Z5d_d`� Z6dadb� Z7dcdd� Z8dedf� Z9dgdh� Z:didj� Z;dkdl� Z<dmdn� Z=dodp� Z>dqdr� Z?dsdt� Z@dudv� ZAdwdx� ZBdydz� ZCdS )~� StdioClientzcftp> � Nc C s& || _ d| _|| _| r dp d| _d S )Nr" r% r )�client�currentDirectory�file�useProgressBar)r+ rd rT r, r, r- r^ � s zStdioClient.__init__c C s | j �d��| j� d S )Nr" )rd �realPath� addCallback� _cbSetCurDir�r+ r, r, r- �connectionMade� s zStdioClient.connectionMadec C s || _ | �� d S rU )re �_newLine�r+ �pathr, r, r- rj � s zStdioClient._cbSetCurDirc C s t |t�r|�d�}| j�|�S )N�utf-8)� isinstancer2 �encode� transport�write)r+ �msgr, r, r- �_writeToTransport� s z StdioClient._writeToTransportc C s� | j jjrd S t|t�r"|�d�}t�d| � |�� }|sH| � � d S | j rl|� d�rld| _ |dd � }nd| _ | � |�}|d ur�|�| j� |�| j� d S )Nrp z got line %s�-r% r )rd rs � localClosedrq �bytes�decoder ru �lstriprm rf � startswith� ignoreErrors�_dispatchCommandri � _cbCommandrO � _ebCommand)r+ �line�dr, r, r- � lineReceived� s" zStdioClient.lineReceivedc C s� d|v r"|� dd�\}}|�� }n |d }}|�d�rV| j}|dd � d | �� }n&|�� }t�d| � t| d| d �}|d ur�t � ||�S d| }| � t � t|��� | �� d S )N� r% r" �!zlooking up cmd %szcmd_%szNo command called `%s')r) r{ r| �cmd_EXEC�strip�upperr ru r_ r Z maybeDeferredr� r rF �NotImplementedErrorrm )r+ r� �command�restrT �errMsgr, r, r- r~ � s z StdioClient._dispatchCommandc C s� t �|� |�ttjtt�}|tkr6| �| � d�� nT|tjkr`d|j j |j j f }| �|� n*|ttfv r�d|j j |j jf }| �|� d S )Nr" zremote error %i: %s zlocal error %i: %s )r ru �trapr� r Z SFTPError�OSError�IOErrorrv �cmd_HELPrR �code�message�errno�strerror)r+ rT �er� r, r, r- � _printFailure� s zStdioClient._printFailurec C s^ | j jjrd S | �| j� d| _| jrZ| j�� }|sB| j j�� n| �|� | � |� � � d S )Nr ) rd rs rx rv �psr} rf �readline�loseConnectionr� r� )r+ �lr, r, r- rm � s zStdioClient._newLinec C sF |d ur:t |t�r |�d�}| �|� |�d�s:| �d� | �� d S )Nrp rc )rq r2 rr rv �endswithrm )r+ �resultr, r, r- r � s zStdioClient._cbCommandc C s. | � |� | jr"| js"| jj�� | �� d S rU )r� rf r} rd rs r� rm r] r, r, r- r� � s zStdioClient._ebCommandc C s` | � |�\}}|�d�s |d7 }|r4tj�| j|�p6d}| j�|�}|�| j � |� | j � |S )Nr& r" ) � _getFilenamer� �osro �joinre rd � openDirectoryri �_cbCdrO r� )r+ ro r� ZnewPathr� r, r, r- �cmd_CD� s zStdioClient.cmd_CDc C s& |� � | j�|j�}|�| j� |S rU )�closerd rh �nameri � _cbCurDir)r+ � directoryr� r, r, r- r� s zStdioClient._cbCdc C s || _ d S rU �re rn r, r, r- r� s zStdioClient._cbCurDirc C sH |� d d�\}}| �|�\}}t|�}| j�|�}|j| j||d� |S )Nr% )�grp�r) r� r3 rd �getAttrsri � _cbSetUsrGrp)r+ r� r� ro r� r, r, r- � cmd_CHGRP s zStdioClient.cmd_CHGRPc C sH |� d d�\}}| �|�\}}t|d�}| j�|d|i�}|�t� |S )Nr% � � permissions)r) r� r3 rd �setAttrsri rV )r+ r� �modro r� r, r, r- � cmd_CHMOD s zStdioClient.cmd_CHMODc C sH |� d d�\}}| �|�\}}t|�}| j�|�}|j| j||d� |S )Nr% )�usrr� )r+ r� r� ro r� r, r, r- � cmd_CHOWN s zStdioClient.cmd_CHOWNc C sP i }|d ur|p|d |d< |d ur(|p.|d |d< | j �||�}|�t� |S )N�uid�gid)rd r� ri rV )r+ �attrsro r� r� �newr� r, r, r- r� $ s zStdioClient._cbSetUsrGrpc C s� | � |�\}}d|v s d|v rb|rB| � |�\}}tj�|�sFdS nd}| �|�}|�| j|� |S |rv| � |�\}}ntj�|�d }t� ||f� t |dd�}t | j �� |�}| j�|jtji �}|�| j|� |�| j|� |S )N�*�?z'Wildcard get with non-directory target.� r% �wbr )r� r� ro �isdir� _remoteGlobri �_cbGetMultipler) r ru �openr re �childrd �openFiler �FXF_READ�_cbGetOpenFilerO � _ebCloseLf)r+ r� �remote�localr� �lfro r, r, r- �cmd_GET, s( zStdioClient.cmd_GETc C s | � d ||�S rU )�_cbGetMultipleNext)r+ �filesr� r, r, r- r� D s zStdioClient._cbGetMultiplec C s� t |tj�r| �|� n"|r:| �|� |�d�s:| �d� |sBd S |�d�d }ttj � |tj � |�d �dd�}t | j ��|�}| j�|j tji �}|�| j|� |�| j|� |�| j||� |S )N� r r% r� )rq r rF r� rv r� �popr� r� ro r� r) r re r� rd r� r r� ri r� rO r� �addBothr� )r+ �resr� r� rT r� ro r� r, r, r- r� H s "z StdioClient._cbGetMultipleNextc C s |� � |S rU )r� )r+ rT r� r, r, r- r� Z s zStdioClient._ebCloseLfc C s |� � �| j||�S rU )r� ri �_cbGetFileSize)r+ �rfr� r, r, r- r� ^ s zStdioClient._cbGetOpenFilec C s� t �|d �s(|�� |�� d|j S |d |_| jjjjd }| jjjjd }d|_ g }g }| j � � }t |�D ]$} | � d|||d||�} |�| � qrtj|d d �} | �| j||� | S ) Nr� z Can't get non-regular file: %sr\ r r rX r" r r% �ZfireOnOneErrback)�stat�S_ISREGr� r� r\ rd rs rQ r rY r �seconds�range� _cbGetRead�appendr � DeferredListri � _cbGetDone) r+ r� r� r� Z bufferSize� numRequests�dList�chunks� startTimerA r� �dlr, r, r- r� a s" zStdioClient._cbGetFileSizec C s� d}|D ]X}|dkr d S ||d krX|� |�}|�|||d f� ||d | f S |d }qt| jjjjd �}|�||| f� ||fS )Nr �eofr% r )r9 �insertr3 rd rs rQ r r� )r+ r� �end�chunkrA ZbufSizer, r, r- � _getNextChunkt s zStdioClient._getNextChunkc C sP |rVt |tj�rVt�d| � |}|�t� |�||| f�} || = |�| |df� n�|r�t�dt |� � |� |� |� |� t |�|kr�t�dt |�|f � |�||| f�} || = |�| ||t |� f� | j t |�7 _ | j r�| �||� | �|�} | �s d S | \}} t�d||| f � |�|| �} | �| j||||| |� | S )Nzget read err: %sr� zget read data: %iz#got less than we asked for: %i < %izasking for %i -> %i)rq r rF r ru r� �EOFErrorr9 r� �lenrZ rt rY rg �_printProgressBarr� Z readChunkr� r� ) r+ �datar� r� r� �startr\ r� �reasonrA r� �lengthr� r, r, r- r� � s6 zStdioClient._cbGetReadc C s> t �d� |�� |�� | jr*| �d� d|j� d|j� �S )Nzget doner� � Transferred � to )r ru r� rg rv r� �r+ �ignoredr� r� r, r, r- r� � s zStdioClient._cbGetDonec C s� | � |�\}}d|v s d|v r\|rB| � |�\}}tj�| j|�}nd}t�|�}| �||�S |rp| � |�\}}ntj�|�d }| �||�S dS )a# Do an upload request for a single local file or a globing expression. @param rest: Requested command line for the PUT command. @type rest: L{str} @return: A deferred which fires with L{None} when transfer is done. @rtype: L{defer.Deferred} r� r� r" r% N) r� r� ro r� re �glob�_putMultipleFilesr) �_putSingleFile)r+ r� r� r� r� r, r, r- �cmd_PUT� s zStdioClient.cmd_PUTc C s | j d|g|dd�S )aB Perform an upload for a single file. @param local: Path to local file. @type local: L{str}. @param remote: Remote path for the request relative to current working directory. @type remote: L{str} @return: A deferred which fires when transfer is done. NT)�single��_cbPutMultipleNext)r+ r� r� r, r, r- r� � s zStdioClient._putSingleFilec C s | � d||�S )aV Perform an upload for a list of local files. @param files: List of local files. @type files: C{list} of L{str}. @param remote: Remote path for the request relative to current working directory. @type remote: L{str} @return: A deferred which fires when transfer is done. Nr� )r+ r� r� r, r, r- r� � s z StdioClient._putMultipleFilesFc C s� t |tj�r| �|� n6|rNt |t�r0|�d�}| �|� |�d�sN| �d� d}|r�|s�z|�d�}t |d�}W qR t y� | �t�� � d}Y qR0 qR|s�dS |r�|}n.t j � |�d }t j �||�}t�|||f� | �||�} | �| j||� | S )a� Perform an upload for the next file in the list of local files. @param previousResult: Result form previous file form the list. @type previousResult: L{str} @param files: List of local files. @type files: C{list} of L{str} @param remotePath: Remote path for the request relative to current working directory. @type remotePath: L{str} @param single: A flag which signals if this is a transfer for a single file in which case we use the exact remote path @type single: L{bool} @return: A deferred which fires when transfer is done. rp rc Nr �rbr% )rq r rF r� r2 rr rv r� r� r� rD r� ro r) r� r ru �_putRemoteFiler� r� ) r+ ZpreviousResultr� r# r� Z currentFile� localStreamr� r� r� r, r, r- r� � s4 z StdioClient._cbPutMultipleNextc C sR t j�| j|�}tjtjB tjB }| j� ||i �}|� | j |� |� | j |� |S )aW Do an upload request. @param localStream: Local stream from where data is read. @type localStream: File like object. @param remotePath: Remote path for the request relative to current working directory. @type remotePath: L{str} @return: A deferred which fires when transfer is done. )r� ro r� re r Z FXF_WRITEZ FXF_CREATZ FXF_TRUNCrd r� ri �_cbPutOpenFilerO r� )r+ r� r# r� �flagsr� r, r, r- r� s zStdioClient._putRemoteFilec C s� | j jjjd }| jr t|�}g }g }| j�� }t|�D ]$}| � d ||||�}|r8|� |� q8t j |dd�} | � | j||� | S )Nr r% r� )rd rs rQ r rg rW r r� r� � _cbPutWriter� r r� ri � _cbPutDone) r+ r� r� r� r� r� r� rA r� r� r, r, r- r� - s zStdioClient._cbPutOpenFilec C sz | � |�}|\}}|�|� |�|�} | jrJ| jt| �7 _| �||� | rr|�|| �} | �| j ||||� | S d S d S rU ) r� rZ �readrg rY r� r� Z writeChunkri r� ) r+ r� r� r� r� r� r� r� r\ r� r� r, r, r- r� < s zStdioClient._cbPutWritec C s4 |� � |� � | jr | �d� d|j� d|j� �S )Nr� r� r� )r� rg rv r� r� r, r, r- r� K s zStdioClient._cbPutDonec C s t �|� d S rU )r� �chdirrn r, r, r- �cmd_LCDR s zStdioClient.cmd_LCDc sJ � � |�\}}� � |�\}}t� fdd�||f�\}}� j�||��t�S )Nc s t j�� j| �S rU �r� ro r� re ��xrk r, r- �<lambda>Y r� z$StdioClient.cmd_LN.<locals>.<lambda>)r� �maprd ZmakeLinkri rV )r+ r� �linkpath� targetpathr, rk r- �cmd_LNU s �zStdioClient.cmd_LNc C s� g }|� � }|rl|d rl|d d dkrl|�d�dd � }|D ]*}|dkrV|�d� q>|dkr>|�d� q>q d�|�}| �|�\}}|s�| jd }ntj�| j|�}| �|�}|� | j |� |S ) Nr rw r% r� �verbose�a�allr� r& ) r) r� r� r� r� re r� ro r� ri �_cbDisplayFiles)r+ r� r �opts�oro �fullPathr� r, r, r- �cmd_LS] s" zStdioClient.cmd_LSc C sZ |� � d|vr dd� |D �}d|v r6dd� |D �}ndd� |D �}|sLd S d�|�S d S )Nr c S s g | ]}|d � d�s|�qS )r � .)r| ��.0rT r, r, r- � <listcomp>y r� z/StdioClient._cbDisplayFiles.<locals>.<listcomp>r c S s g | ] }|d �qS )r% r, r r, r, r- r { r� c S s g | ] }|d �qS �r r, r r, r, r- r } r� rc )�sortr� )r+ r� r �linesr, r, r- r v s zStdioClient._cbDisplayFilesc C s2 | � |�\}}tj�| j|�}| j�|i ��t�S rU ) r� r� ro r� re rd Z makeDirectoryri rV �r+ ro r� r, r, r- � cmd_MKDIR� s zStdioClient.cmd_MKDIRc C s0 | � |�\}}tj�| j|�}| j�|��t�S rU ) r� r� ro r� re rd ZremoveDirectoryri rV r r, r, r- � cmd_RMDIR� s zStdioClient.cmd_RMDIRc C s t �d| � d S )Nzmkdir %s�r� �systemrn r, r, r- � cmd_LMKDIR� s zStdioClient.cmd_LMKDIRc C s0 | � |�\}}tj�| j|�}| j�|��t�S rU ) r� r� ro r� re rd Z removeFileri rV r r, r, r- �cmd_RM� s zStdioClient.cmd_RMc C s t �d| � d S )Nzls %sr )r+ r� r, r, r- �cmd_LLS� s zStdioClient.cmd_LLSc sJ � � |�\}}� � |�\}}t� fdd�||f�\}}� j�||��t�S )Nc s t j�� j| �S rU r r rk r, r- r � r� z(StdioClient.cmd_RENAME.<locals>.<lambda>)r� r rd Z renameFileri rV )r+ r� Zoldpath�newpathr, rk r- � cmd_RENAME� s �zStdioClient.cmd_RENAMEc C s | j j�� d S rU )rd rs r� �r+ r� r, r, r- �cmd_EXIT� s zStdioClient.cmd_EXITc C s$ d| j j }t|t�r |�d�}|S )NzSFTP version %irp )rd �versionrq r2 rr )r+ r� r# r, r, r- � cmd_VERSION� s zStdioClient.cmd_VERSIONc C s dS )Nae Available commands: cd path Change remote directory to 'path'. chgrp gid path Change gid of 'path' to 'gid'. chmod mode path Change mode of 'path' to 'mode'. chown uid path Change uid of 'path' to 'uid'. exit Disconnect from the server. get remote-path [local-path] Get remote file. help Get a list of available commands. lcd path Change local directory to 'path'. lls [ls-options] [path] Display local directory listing. lmkdir path Create local directory. ln linkpath targetpath Symlink remote file. lpwd Print the local working directory. ls [-l] [path] Display remote directory listing. mkdir path Create remote directory. progress Toggle progress bar. put local-path [remote-path] Put local file. pwd Print the remote working directory. quit Disconnect from the server. rename oldpath newpath Rename remote file. rmdir path Remove remote directory. rm path Remove remote file. version Print the SFTP version. ? Synonym for 'help'. r, r! r, r, r- r� � s zStdioClient.cmd_HELPc C s | j S rU r� r! r, r, r- �cmd_PWD� s zStdioClient.cmd_PWDc C s t �� S rU )r� �getcwdr! r, r, r- �cmd_LPWD� s zStdioClient.cmd_LPWDc C s | j | _ d| j rdpd S )Nz%ssing progess bar.�UzNot u)rg r! r, r, r- � cmd_PROGRESS� s zStdioClient.cmd_PROGRESSc C sF | j �t�� �d }|s d}|r8d|g}tj||dd�S t�|� dS )zb Run C{rest} using the user's shell (or /bin/sh if they do not have one). � z/bin/shz-cr% )ZerrortooN)�_pwd�getpwnamrL rM r ZgetProcessOutputr� r )r+ r� �shellZcmdsr, r, r- r� � s zStdioClient.cmd_EXECc C s� t �d| � tj�|�\}}d|v s.d|v r4d}nd}|rl|sl| j�|�}|�| jd� |� | j ||� n| j�|�}|�| j|� |S )Nz looking up %sr� r� r% r r" ) r ru r� ro r) rd r� ri � _cbOpenListrO �_ebNotADirectory)r+ r �head�tailr� r� r, r, r- r� � s zStdioClient._remoteGlobc C s" g }|� � }|�| j|||� |S rU )r� r� � _cbReadFile)r+ r� r� r� r� r, r, r- r. � s zStdioClient._cbOpenListc C s | j �|�}|�| j|� |S rU )rd r� ri r. )r+ r� ro r� r� r, r, r- r/ � s z StdioClient._ebNotADirectoryc sz t |tj�s\� r4� �d�� |�� fdd�|D �� n |�|� |�� }|�| j||� � |S |}|�t � |� � |S d S )Nrp c s g | ]}t � |d � �r|�qS r )�fnmatchr �r� r, r- r r� z+StdioClient._cbReadFile.<locals>.<listcomp>) rq r rF rr �extendr� r� r2 r� r� r� )r+ r� Z matchedFilesr� r� r� r� r, r4 r- r2 � s zStdioClient._cbReadFilec C s2 g d�}|D ]\}}||kr q"q d|| | S )N))l �PB)l �TB)i @�GB)i �MB)i �kB)r% r z%.1fr, )r+ r\ Z_abbrevs�factor�suffixr, r, r- � _abbrevSize s zStdioClient._abbrevSizec C sn |dkrFt |d �}|d| 8 }t |d �}|d| 8 }d|||f S t |d �}|d| 8 }d||f S d S )Ni �< z %i:%02i:%02iz %02i:%02i)r3 )r+ �t�hoursZminsr, r, r- � _abbrevTime s zStdioClient._abbrevTimec C s� | j �� | }|j}z t�dt�dtjd��}W n t yJ ddg}Y n0 |dkrZd}n|| }|rv|j | | }nd}|j }|j r�||j d } nd} d| | � |�| � |�| � |�f } |d t|�t| � d d } d |� | � | � �} | �| � dS ) a� Update a console progress bar on this L{StdioClient}'s transport, based on the difference between the start time of the operation and the current time according to the reactor, and appropriate to the size of the console window. @param f: a wrapper around the file which is being written or read @type f: L{FileWrapper} @param startTime: The time at which the operation being tracked began. @type startTime: L{float} Z4Hr Z12345679N�P rX �d z%3i%% %s %sps %s r% r� � )r r� rY �struct�unpack�fcntlZioctl�tty� TIOCGWINSZr� r\ r� r= rA r� rv ) r+ rT r� �diffrY ZwinSize�speedZtimeLeftZfront� percentage�back�spacesr� r, r, r- r� ( s2 � z StdioClient._printProgressBarc C s |� � }|sdS |d dv r�g }t|�}z�tdt|��D ]�}|| }||d krzd�|�d�||d d� ��� f W S |dkr�||= || dvr�td || � ���|�|| � q8|�|| � q8W n ty� td ��Y n0 |�dd�}t|�dk�r |d dfS |d |d fS dS ) aW Parse line received as command line input and return first filename together with the remaining line. @param line: Arguments received from command line input. @type line: L{str} @return: Tupple with filename and rest. Return empty values when no path was not found. @rtype: C{tupple} )r" r" r z'"r% r" N�\z'"\z bad quote: \zunterminated quote) r� �listr� r� r� r{ � IndexErrorr� r) )r+ r� �retrA �cr, r, r- r� R s. * zStdioClient._getFilename)N)NN)F)Dr/ r0 r1 �pwdr+ r� � delimiterr r^ rl rj rv r� r~ r� rm r r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r r r r r r r r r r" Zcmd_QUITr$ r� r% r' r) r� r� r. r/ r2 r= rA r� r� r, r, r, r- rb � s� 5 *rb zcmd_?c @ s e Zd Zdd� ZdS )rN c C s | � t� � d S rU )Z openChannel� SSHSessionrk r, r, r- �serviceStarted| s z SSHConnection.serviceStartedN)r/ r0 r1 rW r, r, r, r- rN { s rN c @ sP e Zd ZdZdd� Zdd� Zdd� Zdd � Zd d � Zd d � Z dd� Z dd� Z dS )rV s sessionc C sh t �d| j � | jjd �d�r(d}nd}| jj| |t�| jjd �dd�}|� | j � |� t � d S )Nzsession %s openr r& �execr% )Z wantReply) r ru �idrQ r r| Z sendRequestr ZNSri � _cbSubsystemrO rP )r+ Zfoo�requestr� r, r, r- � channelOpen� s � zSSHSession.channelOpenc C sd t �� | _| j�| � | jj| _d }| jjd rL| jjd }|dkrLt|�}t� t | j|��| _d S )Nr rw ) r ZFileTransferClientrd ZmakeConnectionZ dataReceivedrQ r r� r Z StandardIOrb )r+ r� rT �fnr, r, r- rZ � s zSSHSession._cbSubsystemc C s6 |t jkr2t�dt|� � tj�|� tj�� d S )Nzgot %s stderr data) r ZEXTENDED_DATA_STDERRr ru r� r7 r= rt �flush)r+ r? r� r, r, r- � extReceived� s zSSHSession.extReceivedc C s t �d� | j�� d S )Nzgot eof)r ru r ZloseWriteConnectionrk r, r, r- � eofReceived� s zSSHSession.eofReceivedc C s t �d| � | j�| � d S )Nzremote side closed %s)r ru rQ Z sendCloserk r, r, r- � closeReceived� s zSSHSession.closeReceivedc C s$ z t �� W n ty Y n0 d S rU )r rC rD rk r, r, r- �closed� s zSSHSession.closedc C s | j �� d S rU )r ZpauseProducingrk r, r, r- � stopWriting� s zSSHSession.stopWritingc C s | j �� d S rU )r ZresumeProducingrk r, r, r- � startWriting� s zSSHSession.startWritingN) r/ r0 r1 r� r\ rZ r_ r` ra rb rc rd r, r, r, r- rV � s rV �__main__)5�__doc__rG r3 rL r� r� rT r� rE r7 rH �typingr r r Ztwisted.conch.clientr r r Ztwisted.conch.sshr r r r Ztwisted.internetr r r r Ztwisted.protocolsr Ztwisted.pythonr r r Ztwisted.python.filepathr Z ConchOptionsr r? rG r> rP rV rW Z LineReceiverrb �setattrr� rN Z SSHChannelrV r/ r, r, r, r- �<module> sF # o6
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