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t�� ��| jj�S r. )r �os�getcwd� preauthChildr/ �pathr r r r � getHomeDirV s z!FileTransferTestAvatar.getHomeDirN)r* r+ r, r r4 r r r r r- Q s r- c @ s e Zd Zdd� ZdS )�ConchSessionForTestAvatarc C s || _ d S r. ��avatar)r r7 r r r r [ s z"ConchSessionForTestAvatar.__init__N)r* r+ r, r r r r r r5 Z s r5 zNtwisted.conch.unix imported %r, but doesn't define SFTPServerForUnixConchUser'c @ s e Zd Zdd� Zdd� ZdS )�FileTransferForTestAvatarc C s ddiS )N� conchTest� ext datar )r �versionZotherExtr r r � gotVersionn s z$FileTransferForTestAvatar.gotVersionc C s |dkr dS t �d S )N� testExtendedRequest� bar)�NotImplementedError)r ZextName�extDatar r r �extendedRequestq s z)FileTransferForTestAvatar.extendedRequestN)r* r+ r, r< rA r r r r r8 m s r8 c @ s e Zd Zdd� ZdS )� SFTPTestBasec C sz t | �� �| _| j�d�| _| j�d��d� | j�d�jdd��T}|�d� tdd �� }|�|�d �� W d � n1 s~0 Y W d � n1 s�0 Y | j�d��d � | j�d �jdd��}|�d � W d � n1 s�0 Y | j�d�jdd��}|�d � W d � n1 �s,0 Y | j�d�jdd��}|�d � W d � n1 �sl0 Y d S 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)r r� ry r r r r� s z.OurServerOurClientTests._cbTestExtendedRequestz!Broken by PEP 479 and deprecated.c c s� | j �d�}| �� |V }t� }zB|D ]"}| �� |V \}}}|�|� q&W |�� }| �� |V n|�� }| �� |V 0 | �� | �|h d�� dS )z� Check that the object returned by L{filetransfer.FileTransferClient.openDirectory} can be used as an iterator. r� > ri r� r� r� r� N)rZ r� r^ �set�addro rd )r ry r} � filenamesr# r� rW Z fileattrsr r r �test_openDirectoryIterator s( ��z2OurServerOurClientTests.test_openDirectoryIteratorc c sx | j �d�}| �� |V }|�� }| �� |V | �� }d}| �dt|�� | �t|d d � | �||d d � dS )zJ Using client.openDirectory as an iterator is deprecated. r� zeUsing twisted.conch.ssh.filetransfer.ClientDirectory as an iterator was deprecated in Twisted 18.9.0.r r �category�messageN)rZ r� r^ r� Z flushWarningsrd r" �DeprecationWarning)r ry r} ZoneFile�warningsr� r r r �$test_openDirectoryIteratorDeprecatedA s �z<OurServerOurClientTests.test_openDirectoryIteratorDeprecatedc # s� �j �dtji �}��� |V }g � � �fdd�}�jj�� \}||_~|�dd�}��� �� t � �d� �� |� �j � � �j �� �j�� ��� ���j j� ��|t� |�� }��|t� dS )z{ If there are requests outstanding when the connection is closed for any reason, they should fail. ri c s" �� � g � t�� }� �| � |S r. )rd r �Deferredrk )�offset�lengthry �ZgotReadRequestr r r � _slowReadd s zOOurServerOurClientTests.test_closedConnectionCancelsRequests.<locals>._slowRead�d �� r N)rZ rs r ru r^ rX rq �valuesr� rd r" ZassertNoResultr] ra r` r\ Z assertFalse� connectedZfailureResultOfr r� )r ry �fhr� Z serverSideFhr r� r �$test_closedConnectionCancelsRequestsV s( z<OurServerOurClientTests.test_closedConnectionCancelsRequestsN) r* r+ r, rS r^ rb re rh rz r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r ZinlineCallbacksr r r� r� r� r r r r rT � s: ! ( ( rT c @ s e Zd Zdd� ZdS )�FakeConnc C s d S r. r )r Zchannelr r r � sendClose� s zFakeConn.sendCloseN)r* r+ r, r� r r r r r� � s r� c @ sD e Zd Zdd� Zdd� Zdd� Zdd� Zd d � Zd d � Zd d� Z dS )�FileTransferCloseTestsc C s t � | _d S r. )r r7 r r r r rS � s z FileTransferCloseTests.setUpc C s, t �� }G dd� d�}|� |_| j|j_|S )Nc @ s$ e Zd Zdd� Zdd� Zdd� ZdS )zDFileTransferCloseTests.buildServerConnection.<locals>.DummyTransportc S s | | _ d S r. )� transportr r r r r � s zMFileTransferCloseTests.buildServerConnection.<locals>.DummyTransport.__init__c S s d S r. r )r �kind�datar r r � sendPacket� s zOFileTransferCloseTests.buildServerConnection.<locals>.DummyTransport.sendPacketc S s dS )Nzdummy transportr r r r r � logPrefix� s zNFileTransferCloseTests.buildServerConnection.<locals>.DummyTransport.logPrefixN)r* r+ r, r r� r� r r r r �DummyTransport� s r� )r Z SSHConnectionr� r7 )r �connr� r r r �buildServerConnection� s z,FileTransferCloseTests.buildServerConnectionc s$ d�_ |j� � �fdd�}||_d S )NFc s d�_ � | � d S )NT)�connectionLostFired)�reason�ZorigConnectionLostr r r �connectionLost� s zFFileTransferCloseTests.interceptConnectionLost.<locals>.connectionLost)r� r� )r � sftpServerr� r r� r �interceptConnectionLost� s z.FileTransferCloseTests.interceptConnectionLostc C s | � | jd� d S )Nz*sftpServer's connectionLost was not called)rf r� r r r r �assertSFTPConnectionLost� s �z/FileTransferCloseTests.assertSFTPConnectionLostc C sJ t jt� | jd�}|�t�d�� |jjj }| � |� |� � | � � dS )ze Closing a session should notify an SFTP subsystem launched by that session. )r� r7 r N) r r r� r7 �request_subsystemr �NSrZ r� �protor� Z closeReceivedr� )r Z testSessionr� r r r �test_sessionClose� s z(FileTransferCloseTests.test_sessionClosec C s� | � � }t�d�t�dd�d }|�|� |jd }|�t�d�� |jj j }| � |� | � |� |� t�dd�� | � � dS )zy A client sending CHANNEL_CLOSE should trigger closeReceived on the associated channel instance. r �>Lr rc r N)r� r r� �struct�pack�ssh_CHANNEL_OPEN�channelsr� rZ r� r� r� Zssh_CHANNEL_CLOSEr� �r r� �packetZsessionChannelr� r r r �%test_clientClosesChannelOnConnnection� s z<FileTransferCloseTests.test_clientClosesChannelOnConnnectionc C sn | � � }t�d�t�dd�d }|�|� |jd }|�t�d�� |jj j }| � |� |� � | � � dS )zP Closing an SSH connection should close all sessions within it. r r r rc r N)r� r r� r r r r r� rZ r� r� r� ZserviceStoppedr� r r r r �'test_stopConnectionServiceClosesChannel� s z>FileTransferCloseTests.test_stopConnectionServiceClosesChannelN) r* r+ r, rS r� r� r� r r r r r r r r� � s r� z Cannot run without cryptographyc @ s e Zd ZdZg d�Zdd� ZdS )�ConstantsTestsag Tests for the constants used by the SFTP protocol implementation. @ivar filexferSpecExcerpts: Excerpts from the draft-ietf-secsh-filexfer-02.txt (draft) specification of the SFTP protocol. There are more recent drafts of the specification, but this one describes version 3, which is what conch (and OpenSSH) implements. )a� The following values are defined for packet types. #define SSH_FXP_INIT 1 #define SSH_FXP_VERSION 2 #define SSH_FXP_OPEN 3 #define SSH_FXP_CLOSE 4 #define SSH_FXP_READ 5 #define SSH_FXP_WRITE 6 #define SSH_FXP_LSTAT 7 #define SSH_FXP_FSTAT 8 #define SSH_FXP_SETSTAT 9 #define SSH_FXP_FSETSTAT 10 #define SSH_FXP_OPENDIR 11 #define SSH_FXP_READDIR 12 #define SSH_FXP_REMOVE 13 #define SSH_FXP_MKDIR 14 #define SSH_FXP_RMDIR 15 #define SSH_FXP_REALPATH 16 #define SSH_FXP_STAT 17 #define SSH_FXP_RENAME 18 #define SSH_FXP_READLINK 19 #define SSH_FXP_SYMLINK 20 #define SSH_FXP_STATUS 101 #define SSH_FXP_HANDLE 102 #define SSH_FXP_DATA 103 #define SSH_FXP_NAME 104 #define SSH_FXP_ATTRS 105 #define SSH_FXP_EXTENDED 200 #define SSH_FXP_EXTENDED_REPLY 201 Additional packet types should only be defined if the protocol version number (see Section ``Protocol Initialization'') is incremented, and their use MUST be negotiated using the version number. However, the SSH_FXP_EXTENDED and SSH_FXP_EXTENDED_REPLY packets can be used to implement vendor-specific extensions. See Section ``Vendor-Specific-Extensions'' for more details. a� The flags bits are defined to have the following values: #define SSH_FILEXFER_ATTR_SIZE 0x00000001 #define SSH_FILEXFER_ATTR_UIDGID 0x00000002 #define SSH_FILEXFER_ATTR_PERMISSIONS 0x00000004 #define SSH_FILEXFER_ATTR_ACMODTIME 0x00000008 #define SSH_FILEXFER_ATTR_EXTENDED 0x80000000 a� The `pflags' field is a bitmask. The following bits have been defined. #define SSH_FXF_READ 0x00000001 #define SSH_FXF_WRITE 0x00000002 #define SSH_FXF_APPEND 0x00000004 #define SSH_FXF_CREAT 0x00000008 #define SSH_FXF_TRUNC 0x00000010 #define SSH_FXF_EXCL 0x00000020 a� Currently, the following values are defined (other values may be defined by future versions of this protocol): #define SSH_FX_OK 0 #define SSH_FX_EOF 1 #define SSH_FX_NO_SUCH_FILE 2 #define SSH_FX_PERMISSION_DENIED 3 #define SSH_FX_FAILURE 4 #define SSH_FX_BAD_MESSAGE 5 #define SSH_FX_NO_CONNECTION 6 #define SSH_FX_CONNECTION_LOST 7 #define SSH_FX_OP_UNSUPPORTED 8 c C s� i }| j D ]<}|�� D ].}t�d|�}|rt|�d�d�||�d�< qq | �t|�dkd� |�� D ]\}}| � |t t |�� qddS )z� The constants used by the SFTP protocol implementation match those found by searching through the spec. z)^\s*#define SSH_([A-Z_]+)\s+([0-9x]*)\s*$r r r z,No constants found (the test must be buggy).N) �filexferSpecExcerpts� splitlines�re�match�int�grouprf r" �itemsrd �getattrr )r � constantsZexcerpt�line�m�k�vr r r �test_constantsAgainstSpecH s �z(ConstantsTests.test_constantsAgainstSpecN)r* r+ r, �__doc__r r r r r r r � s Lr c @ s e Zd ZdZdd� Zdd� ZdS )�RawPacketDataServerTestsz� Tests for L{filetransfer.FileTransferServer} which explicitly craft certain less common situations to exercise their handling. c C s t jt� d�| _d S )Nr6 )r r r �ftsr r r r rS a s z RawPacketDataServerTests.setUpc C s� t � }| j�|� d}d}t�tdg�| t�|� �}| j�|� t�tdg�| tg d�� t�d� t�d� �}t|�� t |�� dS ) zl A close request with an unknown handle receives an FX_NO_SUCH_FILE error response. s 1234s invalid handlerp �e )r r r r s No such file or directoryr� N) r r r[ r r� �bytesZ dataReceivedr �valuer )r r� Z requestIdrr ro �expectedr r r �test_closeInvalidHandled s6 ��� � � � ���z0RawPacketDataServerTests.test_closeInvalidHandleN)r* r+ r, r rS r r r r r r Z s r c @ sH e Zd ZdZdd� Zdd� Zdd� Zdd � Zd d � Zd d � Z dd� Z dS )�RawPacketDataTestsz� Tests for L{filetransfer.FileTransferClient} which explicitly craft certain less common protocol messages to exercise their handling. c C s t �� | _d S r. )r rY �ftcr r r r rS � s zRawPacketDataTests.setUpc C sT t �� }|�| j� || jjd< t�ddtj �t � d� t � d� }| j� |� |S )a/ A STATUS packet containing a result code, a message, and a language is parsed to produce the result of an outstanding request L{Deferred}. @see: U{section 9.1<http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-9.1>} of the SFTP Internet-Draft. r �!LL� msg� lang) r r� rx �_cbTestPacketSTATUSr" � openRequestsr r r �FX_OKr r� � packet_STATUS�r ry r� r r r �test_packetSTATUS� s ��� z$RawPacketDataTests.test_packetSTATUSc C s$ | � |d d� | � |d d� dS )z{ Assert that the result is a two-tuple containing the message and language from the STATUS packet. r r$ r r% Nr� �r �resultr r r r& � s z&RawPacketDataTests._cbTestPacketSTATUSc C s@ t �� }|�| j� || jjd< t�ddtj �}| j� |� |S )az A STATUS packet containing only a result code can also be parsed to produce the result of an outstanding request L{Deferred}. Such packets are sent by some SFTP implementations, though not strictly legal. @see: U{section 9.1<http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-9.1>} of the SFTP Internet-Draft. r r# ) r r� rx �_cbTestPacketSTATUSShortr" r' r r r r( r) r* r r r �test_packetSTATUSShort� s z)RawPacketDataTests.test_packetSTATUSShortc C s$ | � |d d� | � |d d� dS )z� Assert that the result is a two-tuple containing empty strings, since the STATUS packet had neither a message nor a language. r r� r Nr� r, r r r r. � s z+RawPacketDataTests._cbTestPacketSTATUSShortc C sJ t �� }|�| j� || jjd< t�ddtj �t � d� }| j� |� |S )a� A STATUS packet containing a result code and a message but no language can also be parsed to produce the result of an outstanding request L{Deferred}. Such packets are sent by some SFTP implementations, though not strictly legal. @see: U{section 9.1<http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-9.1>} of the SFTP Internet-Draft. r r# r$ ) r r� rx � _cbTestPacketSTATUSWithoutLangr" r' r r r r( r r� r) r* r r r � test_packetSTATUSWithoutLang� s z/RawPacketDataTests.test_packetSTATUSWithoutLangc C s$ | � |d d� | � |d d� dS )z� Assert that the result is a two-tuple containing the message from the STATUS packet and an empty string, since the language was missing. r r$ r r� Nr� r, r r r r0 � s z1RawPacketDataTests._cbTestPacketSTATUSWithoutLangN) r* r+ r, r rS r+ r& r/ r. r1 r0 r r r r r! � s r! ):r r0 r r Zunittestr Zhamcrestr r Ztwisted.internetr Ztwisted.internet.errorr Ztwisted.protocolsr Ztwisted.pythonr Ztwisted.python.compatr Ztwisted.python.filepathr Ztwisted.test.proto_helpersr Ztwisted.trial.unittestr Z twisted.conchr Z_unix� ImportErrorZtwisted.conch.unixr Z_SFTPServerForUnixConchUserZ cryptographyZ _cryptographyZtwisted.conch.avatarr Z _ConchUser�objectZtwisted.conch.sshr r r r r r- r5 r� �warnr8 ZregisterAdapterrg rB rT r� r� r r r! r r r r �<module> s� �� � v g h =
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