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�r0 c @ s e Zd ZdZdZdd� ZdS )� FakeStdioz�
A fake for testing L{twisted.conch.scripts.conch.SSHSession.eofReceived} and
L{twisted.conch.scripts.cftp.SSHSession.eofReceived}.
@ivar writeConnLost: A flag which records whether L{loserWriteConnection}
has been called.
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Record the call to loseWriteConnection.
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writeConnLost��selfr& r& r' �loseWriteConnection_ s
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Tests for L{twisted.conch.scripts.conch.SSHSession}.
Nc C s* t � }t� }||_|�� | �|j� dS )z}
L{twisted.conch.scripts.conch.SSHSession.eofReceived} loses the
write half of its stdio connection.
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assertTruer2 )r4 r9 �channelr& r& r' �test_eofReceivedn s
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r7 c @ s$ e Zd Zdd� Zdd� Zdd� ZdS )�Echoc C � t �d� d S )NzECHO CONNECTION MADE�r �msgr3 r& r& r' �connectionMade{ � zEcho.connectionMadec C rA )NzECHO CONNECTION DONErB �r4 �reasonr& r& r' �connectionLost~ rE zEcho.connectionLostc C s& | j �|� d|v r| j �� d S d S )N�
)� transport�write�loseConnection�r4 �datar& r& r' � dataReceived� s �zEcho.dataReceivedN)r# r$ r% rD rH rO r& r& r& r' r@ z s r@ c @ s e Zd ZeZdS )� EchoFactoryN)r# r$ r% r@ r r& r& r& r' rP � � rP c @ s< e Zd ZdZdZdZdZdd� Zdd� Zdd � Z d
d � Z
dS ) �ConchTestOpenSSHProcessa
Test protocol for launching an OpenSSH client process.
@ivar deferred: Set by whatever uses this object. Accessed using
L{_getDeferred}, which destroys the value so the Deferred is not
fired twice. Fires when the process is terminated.
N� c C � | j d }| _ |S �N��deferred�r4 �dr& r& r' � _getDeferred� � z$ConchTestOpenSSHProcess._getDeferredc C � | j |7 _ d S rU )�bufrM r& r& r' � outReceived� � z#ConchTestOpenSSHProcess.outReceivedc C r\ rU )�problemsrM r& r& r' � errReceived� r_ z#ConchTestOpenSSHProcess.errReceivedc C sV |j jdkr| �� �td�|j j| j�d���� dS | j� dd�}| �� �
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Called when the process has ended.
@param reason: a Failure giving the reason for the process' end.
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rI N) �value�exitCoderZ �errbackr �formatr` �decoder] �replace�callback)r4 rG r] r& r& r' � processEnded� s
��� z$ConchTestOpenSSHProcess.processEnded) r# r$ r% r6 rW r] r` rZ r^ ra rj r& r& r& r' rR � s rR c @ sT e Zd ZdZdZdd� Zdd� Zdd� Zd d
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dd� Z dd� Z dS )�ConchTestForwardingProcessa�
Manages a third-party process which launches a server.
Uses L{ConchTestForwardingPort} to connect to the third-party server.
Once L{ConchTestForwardingPort} has disconnected, kill the process and fire
a Deferred with the data received by the L{ConchTestForwardingPort}.
@ivar deferred: Set by whatever uses this object. Accessed using
L{_getDeferred}, which destroys the value so the Deferred is not
fired twice. Fires when the process is terminated.
Nc C s || _ d| _|| _dS )aF
@type port: L{int}
@param port: The port on which the third-party server is listening.
(it is assumed that the server is running on localhost).
@type data: L{str}
@param data: This is sent to the third-party server. Must end with '
'
in order to trigger a disconnect.
N)�port�bufferrN )r4 rl rN r& r& r' �__init__� s
z#ConchTestForwardingProcess.__init__c C rT rU rV rX r& r& r' rZ � r[ z'ConchTestForwardingProcess._getDeferredc C s | � � d S rU )�_connectr3 r& r& r' rD � s z)ConchTestForwardingProcess.connectionMadec C s0 t �tt| | j�}|�d| j�}|�| j� |S )a
Connect to the server, which is often a third-party process.
Tries to reconnect if it fails because we have no way of determining
exactly when the port becomes available for listening -- we can only
know when the process starts.
� 127.0.0.1) r �
ClientCreatorr �ConchTestForwardingPortrN �
connectTCPrl �
addErrback�
_ebConnect)r4 �ccrY r& r& r' ro � s z#ConchTestForwardingProcess._connectc C s t �d| j� d S )Ng�������?)r � callLaterro )r4 �fr& r& r' ru � r_ z%ConchTestForwardingProcess._ebConnectc C s. || _ | j�d� | j�� t�d| j� dS )z�
The network connection has died; save the buffer of output
from the network and attempt to quit the process gracefully,
and then (after the reactor has spun) send it a KILL signal.
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_reallyDie)r4 rm r& r& r' �forwardingPortDisconnected� s
z5ConchTestForwardingProcess.forwardingPortDisconnectedc C s( z | j �d� W d S ty Y d S w )N�KILL)rJ �
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�z%ConchTestForwardingProcess._reallyDiec C s | � � �| j� dS )z�
Fire the Deferred at self.deferred with the data collected
from the L{ConchTestForwardingPort} connection, if any.
N)rZ ri rm rF r& r& r' rj � s z'ConchTestForwardingProcess.processEnded)
r# r$ r% r6 rW rn rZ rD ro ru r{ rz rj r& r& r& r' rk � s rk c @ s0 e Zd ZdZdd� Zdd� Zdd� Zdd � Zd
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Connects to server launched by a third-party process (managed by
L{ConchTestForwardingProcess}) sends data, then reports whatever it
received back to the L{ConchTestForwardingProcess} once the connection
is ended.
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@type protocol: L{ConchTestForwardingProcess}
@param protocol: The L{ProcessProtocol} which made this connection.
@type data: str
@param data: The data to be sent to the third-party server.
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s
z ConchTestForwardingPort.__init__c C s d| _ | j�| j� d S )NrS )rm rJ rK rN r3 r& r& r' rD s z&ConchTestForwardingPort.connectionMadec C r\ rU )rm rM r& r& r' rO r_ z$ConchTestForwardingPort.dataReceivedc C s | j �| j� d S rU )r r{ rm rF r& r& r' rH r_ z&ConchTestForwardingPort.connectionLostN)r# r$ r% r6 rn rD rO rH r& r& r& r' rr s rr �conchc C sF t jd| g}g }|t| � D ]}t|t�r|�d�}|�|� q|S )Na$ -c
### Twisted Preamble
import sys, os
path = os.path.abspath(sys.argv[0])
while os.path.dirname(path) != path:
if os.path.basename(path).startswith('Twisted'):
sys.path.insert(0, path)
break
path = os.path.dirname(path)
from twisted.conch.scripts.%s import run
run()�utf-8)�sys�
executable�list�
isinstance�str�encode�append)�args�mod�start�madeArgs�argr& r& r' � _makeArgs s
��
r� c @ sP e Zd ZesdZes dZedd� �Zdd� Zdd� Z d d
� Z
d d � Z d
d� Z dS )�ConchServerSetupMixinz can't run without cryptographyzCannot run without PyASN1c C s t d�S )Ns testuserr
r& r& r& r' � realmFactoryA s z"ConchServerSetupMixin.realmFactoryc C sj dD ]
}t j�|�rt �|� qtdd��
}|�t� W d � n1 s%w Y tdd��
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t � W d � d S 1 s�w Y d S ) N)�rsa_test� rsa_test.pub�dsa_test� dsa_test.pub�kh_testr� �wbr� r� r� i� zgprivate key readable by others despite chmod; possible windows permission issue? see https://tm.tl/9767r� s
127.0.0.1 )�os�path�exists�remove�openrK r r r r �chmodr �getPermissions�group�read�otherr )r4 rx � permissionsr& r& r' � _createFilesE s4
� � � � � � "�z"ConchServerSetupMixin._createFilesc C s* t � � }|�d� |�� d }|�� |S )N)� r � )r) r+ � getsocknamer- )r4 �srl r& r& r' � _getFreePort] s
z"ConchServerSetupMixin._getFreePortc C s. | � � }t�|�}|�t� � t� }||_|S )z�
Make a L{ConchTestServerFactory}, which allows us to start a
L{ConchTestServer} -- i.e. an actually listening conch.
)r� r �Portal�registerCheckerr r )r4 �realm�p�factoryr& r& r' �_makeConchFactoryd s
z'ConchServerSetupMixin._makeConchFactoryc C sz | � � | �� | _d| j_tjd| jdd�| _t�dt� �| _| j� � j
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echoServer�getHostrl �echoPort�HAS_IPV6� echoServerV6�
echoPortV6r3 r& r& r' �setUpp s
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maybeDeferredr� �
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gatherResults)r4 � deferredsr& r& r' �tearDown} s � �
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r# r$ r% r r? r � staticmethodr� r� r� r� r� r� r& r& r& r' r� : s
r� c @ s( e Zd ZdZdd� Zdd� Zdd� ZdS ) �ForwardingMixina�
Template class for tests of the Conch server's ability to forward arbitrary
protocols over SSH.
These tests are integration tests, not unit tests. They launch a Conch
server, a custom TCP server (just an L{EchoProtocol}) and then call
L{execute}.
L{execute} is implemented by subclasses of L{ForwardingMixin}. It should
cause an SSH client to connect to the Conch server, asking it to forward
data to the custom TCP server.
c C s | � dt� �}|�| jd�S )z�
Test that we can use whatever client to send the command "echo goodbye"
to the Conch server. Make sure we receive "goodbye" back from the
server.
� echo goodbye� goodbye
��executerR � addCallback� assertEqualrX r& r& r' � test_exec� s zForwardingMixin.test_execc C �> | � � }t|d�}| jd|d|| jf d�}|�| jd� |S )zy
Test that we can use whatever client to forward a local port to a
specified port on the server.
� test
r� z-N -L%i:127.0.0.1:%i��sshArgs�r� rk r� r� r� r� �r4 � localPort�processrY r& r& r' � test_localToRemoteForwarding� �
�z,ForwardingMixin.test_localToRemoteForwardingc C r� )zs
Test that we can use whatever client to forward a port from the server
to a port locally.
r� r� z-N -R %i:127.0.0.1:%ir� r� r� r& r& r' � test_remoteToLocalForwarding� r� z,ForwardingMixin.test_remoteToLocalForwardingN)r# r$ r% r6 r� r� r� r& r& r& r' r� � s
r� c @ sH e Zd ZdZdd� Zdd� Zdd� Zdd � Zd
d � Zd d
� Z dd� Z
dS )� RekeyAvatara#
This avatar implements a shell which sends 60 numbered lines to whatever
connects to it, then closes the session with a 0 exit status.
60 lines is selected as being enough to send more than 2kB of traffic, the
amount the client is configured to initiate a rekey after.
c C s t �| � t| jd< d S )Ns session)r rn r! �
channelLookupr3 r& r& r' rn � s
zRekeyAvatar.__init__c sH t �� }|��� ��t|�� � �fdd�}t|t� �� � �d� dS )zE
Write 60 lines of data to the transport, then exit.
c sZ t | �}|dkr � �� �jj��jdd� ��� d S d|f }|�d�}��|� d S )N�< s exit-statuss z line #%02d
r )�next�stop�session�conn� sendRequestrL r� rK )�counter�i�line��callrJ r& r' rK � s �
z$RekeyAvatar.openShell.<locals>.writeg{�G�z�?N)r �Protocol�makeConnectionr" r r r� )r4 rJ r� rK r& r� r' � openShell� s
zRekeyAvatar.openShellc C s dS )z2
Ignore the close of the session.
Nr& r3 r& r& r' �closed� � zRekeyAvatar.closedc C � d S rU r& r3 r& r& r' r: � � zRekeyAvatar.eofReceivedc C r� rU r& )r4 r� �commandr& r& r' � execCommand� r� zRekeyAvatar.execCommandc C r� rU r& )r4 �term�
windowSize�modesr& r& r' �getPty� r� zRekeyAvatar.getPtyc C r� rU r& )r4 �
newWindowSizer& r& r' �
windowChanged r� zRekeyAvatar.windowChangedN) r# r$ r% r6 rn r� r� r: r� r� r� r& r& r& r' r� � s ! r� c @ s e Zd ZdZdd� ZdS )�
RekeyRealmzS
This realm gives out new L{RekeyAvatar} instances for any avatar request.
c G s |d t � dd� fS )Nr c S r� rU r& r& r& r& r' �<lambda> r� z*RekeyRealm.requestAvatar.<locals>.<lambda>)r� )r4 �avatarID�mind�
interfacesr& r& r' �
requestAvatar
s zRekeyRealm.requestAvatarN)r# r$ r% r6 r� r& r& r& r' r� s r� c @ s e Zd ZdZeZdd� ZdS )�RekeyTestsMixinzp
TestCase mixin which defines tests exercising L{SSHTransportBase}'s handling
of rekeying messages.
c s. t � }� �d|d�}� fdd�}|�|� |S )z�
After a client-initiated rekey is completed, application data continues
to be passed over the SSH connection.
r� z-o RekeyLimit=2Kc s6 d� dd� td�D ��d }|�d�}� �| |� d S )N�
c S s g | ]}d |f �qS )z
line #%02dr& )�.0r� r& r& r' �
<listcomp>" s zFRekeyTestsMixin.test_clientRekey.<locals>.finished.<locals>.<listcomp>r� r )�join�ranger� r� )�result�expectedResultr3 r& r' �finished! s
z2RekeyTestsMixin.test_clientRekey.<locals>.finished)rR r� r� )r4 r� rY r� r& r3 r' �test_clientRekey s
z RekeyTestsMixin.test_clientRekeyN)r# r$ r% r6 r� r� r� r& r& r& r' r� s r� c @ s" e Zd Zed�s
dZddd�ZdS )�OpenSSHClientMixin�sshz$no ssh command-line client availabler� c s. t td�d d�}� ���fdd�}|�|�S )a�
Connects to the SSH server started in L{ConchServerSetupMixin.setUp} by
running the 'ssh' command line tool.
@type remoteCommand: str
@param remoteCommand: The command (with arguments) to run on the
remote end.
@type process: L{ConchTestOpenSSHProcess}
@type sshArgs: str
@param sshArgs: Arguments to pass to the 'ssh' process.
@return: L{defer.Deferred}
r r )z-oz PubkeyAcceptedKeyTypes=ssh-dssz-Vc s� | dkrd}nd}t �� � _d| � d � }�j�� j}|| �� }g }|D ]}t|t�r4|� d�}|�
|� q(t � � t
d�d |� � jS )Nr z!-oPubkeyAcceptedKeyTypes=ssh-dss r� z�ssh -2 -l testuser -p %i -F /dev/null -oUserKnownHostsFile=kh_test -oPasswordAuthentication=no -oHostKeyAlgorithms=ssh-rsa -a -i dsa_test � 127.0.0.1 r r )r
�DeferredrW r� r� rl �splitr� r� r� r� r � spawnProcessr )�status�opts�cmdlinerl �cmds� encodedCmds�cmd�r� �
remoteCommandr4 r� r& r' �hasPAKTF s.
� � �
��
z+OpenSSHClientMixin.execute.<locals>.hasPAKT)r r r� )r4 r
r� r� rY r r& r r' r� . s
�
$zOpenSSHClientMixin.executeN)r� )r# r$ r% r r? r� r& r& r& r' r * s r c @ sP e Zd ZdZdd� Zdd� Zdd� Zdd � Zd
d � Zd d
� Z dd� Z
dd� Z dS )�OpenSSHKeyExchangeTestsz\
Tests L{SSHTransportBase}'s key exchange algorithm compatibility with
OpenSSH.
c C s� g }z t jtd�d ddgt jd�}t|t�s |�d�}|�� }W n ty* Y nw ||vr6t |� d���| �
dt � d | �}|� | j
d
�S ) aI
Call execute() method of L{OpenSSHClientMixin} with an ssh option that
forces the exclusive use of the key exchange algorithm specified by
keyExchangeAlgo
@type keyExchangeAlgo: L{str}
@param keyExchangeAlgo: The key exchange algorithm to use
@return: L{defer.Deferred}
r r z-Q�kex)�stderrr z not supported by ssh clientz
echo helloz-oKexAlgorithms=s hello
)�
subprocess� check_outputr �STDOUTr� r� rg r �
BaseExceptionr r� rR r� r� )r4 �keyExchangeAlgo�
kexAlgorithms�outputrY r& r& r' � assertExecuteWithKexAlgorithms s& �
��z5OpenSSHKeyExchangeTests.assertExecuteWithKexAlgorithmc C �
| � d�S )zb
The ecdh-sha2-nistp256 key exchange algorithm is compatible with
OpenSSH
zecdh-sha2-nistp256�r r3 r& r& r' �test_ECDHSHA256� �
z'OpenSSHKeyExchangeTests.test_ECDHSHA256c C r )zb
The ecdh-sha2-nistp384 key exchange algorithm is compatible with
OpenSSH
zecdh-sha2-nistp384r r3 r& r& r' �test_ECDHSHA384� r z'OpenSSHKeyExchangeTests.test_ECDHSHA384c C r )zb
The ecdh-sha2-nistp521 key exchange algorithm is compatible with
OpenSSH
zecdh-sha2-nistp521r r3 r& r& r' �test_ECDHSHA521� r z'OpenSSHKeyExchangeTests.test_ECDHSHA521c C r )zl
The diffie-hellman-group14-sha1 key exchange algorithm is compatible
with OpenSSH.
zdiffie-hellman-group14-sha1r r3 r& r& r' �test_DH_GROUP14� r z'OpenSSHKeyExchangeTests.test_DH_GROUP14c C r )zs
The diffie-hellman-group-exchange-sha1 key exchange algorithm is
compatible with OpenSSH.
z"diffie-hellman-group-exchange-sha1r r3 r& r& r' �test_DH_GROUP_EXCHANGE_SHA1� r z3OpenSSHKeyExchangeTests.test_DH_GROUP_EXCHANGE_SHA1c C r )zu
The diffie-hellman-group-exchange-sha256 key exchange algorithm is
compatible with OpenSSH.
z$diffie-hellman-group-exchange-sha256r r3 r& r& r' � test_DH_GROUP_EXCHANGE_SHA256� s �z5OpenSSHKeyExchangeTests.test_DH_GROUP_EXCHANGE_SHA256c C s | � t| jd� dS )zy
The list of key exchange algorithms supported
by OpenSSH client is obtained with C{ssh -Q kex}.
zunsupported-algorithmN)� assertRaisesr r r3 r& r& r' �test_unsupported_algorithm� s �z2OpenSSHKeyExchangeTests.test_unsupported_algorithmN) r# r$ r% r6 r r r r r r! r" r$ r& r& r& r' r m s r c @ s$ e Zd ZdZee d�dd� �ZdS )� OpenSSHClientForwardingTestszR
Connection forwarding tests run against the OpenSSL command line client.
zRequires IPv6 supportc C r� )zG
Forwarding of arbitrary IPv6 TCP connections via SSH.
r� r� z-N -L%i:[::1]:%ir� )r� rk r� r� r� r� r� r& r& r' � test_localToRemoteForwardingV6� r� z;OpenSSHClientForwardingTests.test_localToRemoteForwardingV6N)r# r$ r% r6 r r� r& r& r& r& r' r% � s
r% c @ s e Zd ZdZdS )�OpenSSHClientRekeyTestszE
Rekeying tests run against the OpenSSL command line client.
N)r# r$ r% r6 r& r& r& r' r' � rQ r' c @ s8 e Zd ZdZejdkr
dZd dd�Zdd � Zd
d � Z dS )
�CmdLineClientTestszP
Connection forwarding tests run against the Conch command line client.
�win32z!can't run cmdline client on win32r� Nc
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