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a k�h,% � @ s� d Z ddlZddlmZmZ ddlmZ ddlmZm Z m Z ddl m Z m Z G dd� de j�ZG d d � d e j�Zd Zd Zd ZdZdZdZdZdZdZdZdZdZ dZ i Z e � � � �!� D ](\Z"Z#e"dd� dkr�e"dd� e e#< q�dS )z� Implements the SSH v2 key agent protocol. This protocol is documented in the SSH source code, in the file U{PROTOCOL.agent<http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/PROTOCOL.agent>}. Maintainer: Paul Swartz � N)� ConchError�MissingKeyStoreError)�keys)�NS�getMP�getNS)�defer�protocolc @ sb e Zd ZdZdd� Zdd� Zdd� Zdd � Zd d � Zdd d�Z dd� Z dd� Z dd� Z dd� Z dS )�SSHAgentClientz� The client side of the SSH agent protocol. This is equivalent to ssh-add(1) and can be used with either ssh-agent(1) or the SSHAgentServer protocol, also in this package. c C s d| _ g | _d S �N� )�buf� deferreds��self� r ��/root/rpmbuild/BUILDROOT/imh-python39-modules-3.9.7-92.el8.x86_64/opt/imh-python/lib/python3.9/site-packages/twisted/conch/ssh/agent.py�__init__ s zSSHAgentClient.__init__c C s� | j |7 _ t| j �dkr d S t�d| j d d� �d }t| j �d| k rPd S | j dd| � | j d| d � }| _ t|dd� �}| j�d�}|tkr�|�t d�� q|t kr�|� d� q|� |� qd S )N� �!Lr � z agent failurer ) r �len�struct�unpack�ordr �pop� AGENT_FAILUREZerrbackr � AGENT_SUCCESS�callback)r �data�packLen�packet�reqType�dr r r � dataReceived s ( zSSHAgentClient.dataReceivedc C s> t �dt|�d |�| }| j�|� t�� }| j�|� |S �Nz!LBr ) r �packr � transport�writer ZDeferredr �append)r r" r r& r# r r r � sendRequest2 s zSSHAgentClient.sendRequestc C s | � td�}|�| j� |S )z� @return: A L{Deferred} which will fire with a list of all keys found in the SSH agent. The list of keys is comprised of (public key blob, comment) tuples. r )r* �AGENTC_REQUEST_IDENTITIES� addCallback�_cbRequestIdentities)r r# r r r �requestIdentities9 s z SSHAgentClient.requestIdentitiesc C s� t |dd� �tkr,tdt |dd� � ��t�d|dd� �d }g }|dd� }t|�D ]*}t|�\}}t|�\}}|�||f� q\|S )z} Unpack a collection of identities into a list of tuples comprised of public key blobs and comments. r r zunexpected response: %ir � N)r �AGENT_IDENTITIES_ANSWERr r r �ranger r) )r r �numKeys�result�i�blob�commentr r r r- C s z#SSHAgentClient._cbRequestIdentitiesr c C s |}|t |�7 }| �t|�S )zK Add a private key blob to the agent's collection of keys. )r r* �AGENTC_ADD_IDENTITY)r r5 r6 �reqr r r � addIdentityS s zSSHAgentClient.addIdentityc C s0 t |�}|t |�7 }|d7 }| �t|��| j�S )a� Request that the agent sign the given C{data} with the private key which corresponds to the public key given by C{blob}. The private key should have been added to the agent already. @type blob: L{bytes} @type data: L{bytes} @return: A L{Deferred} which fires with a signature for given data created with the given key. � )r r* �AGENTC_SIGN_REQUESTr, � _cbSignData)r r5 r r8 r r r �signData[ s zSSHAgentClient.signDatac C sD t |dd� �tkr,tdt |dd� � ��t|dd � �d }|S )Nr r zunexpected data: %i)r �AGENT_SIGN_RESPONSEr r )r r � signaturer r r r< k s zSSHAgentClient._cbSignDatac C s t |�}| �t|�S )zp Remove the private key corresponding to the public key in blob from the running agent. )r r* �AGENTC_REMOVE_IDENTITY)r r5 r8 r r r �removeIdentityq s z SSHAgentClient.removeIdentityc C s | � td�S )z9 Remove all keys from the running agent. r )r* � AGENTC_REMOVE_ALL_IDENTITIESr r r r �removeAllIdentitiesy s z"SSHAgentClient.removeAllIdentitiesN)r )�__name__� __module__� __qualname__�__doc__r r$ r* r. r- r9 r= r< rA rC r r r r r s r c @ sh e Zd ZdZdd� Zdd� Zdd� Zdd � Zd d � Zd d � Z dd� Z dd� Z dd� Z dd� Z dd� ZdS )�SSHAgentServerz� The server side of the SSH agent protocol. This is equivalent to ssh-agent(1) and can be used with either ssh-add(1) or the SSHAgentClient protocol, also in this package. c C s d| _ d S r )r r r r r r � s zSSHAgentServer.__init__c C s� | j |7 _ t| j �dkr d S t�d| j d d� �d }t| j �d| k rPd S | j dd| � | j d| d � }| _ t|dd� �}t�|d �}|s�| �td� qt | d| �}t | j dd �d u r�| �td� t � �||dd � � qd S )Nr r r r r z agentc_%sr ) r r r r r �messages�get� sendResponser �getattr�factoryr )r r r r! r" ZreqName�fr r r r$ � s ( zSSHAgentServer.dataReceivedc C s* t �dt|�d |�| }| j�|� d S r% )r r& r r' r( )r r" r r& r r r rK � s zSSHAgentServer.sendResponsec C sz |dks J �t | jj�}g }|�t�d|�� | jj�� D ](\}}|�t|�� �� |�t|�� q:| � t d� |�� dS )zQ Return all of the identities that have been added to the server r r N) r rM r r) r r& �valuesr r5 rK r0 �join)r r r2 �resp�keyr6 r r r �agentc_REQUEST_IDENTITIES� s z(SSHAgentServer.agentc_REQUEST_IDENTITIESc C sb t |�\}}|| jjvr$| �td�S t |�\}}|dks<J �| �tt| jj| d �|��� dS )z� Data is a structure with a reference to an already added key object and some data that the clients wants signed with that key. If the key object wasn't loaded, return AGENT_FAILURE, else return the signature. r r: r N)r rM r rK r r> r �sign)r r r5 r= r r r �agentc_SIGN_REQUEST� s �z"SSHAgentServer.agentc_SIGN_REQUESTc C s� t |�\}}|dkrd}n |dkr(d}nt�d| ��t||�d }t |�\}}tjj|dd�}||f| jj|�� < | �t d � d S ) z� Adds a private key to the agent's collection of identities. On subsequent interactions, the private key can be accessed using only the corresponding public key. s ssh-rsa� s ssh-dssr/ zunknown blob type: %s���Z private_blob��typer N) r r Z BadKeyErrorr �Key� fromStringrM r5 rK r )r r ZkeyType�restZnmpr6 �kr r r �agentc_ADD_IDENTITY� s � z"SSHAgentServer.agentc_ADD_IDENTITYc C s: t |�\}}tjj|dd�}| jj|�� = | �td� dS )zR Remove a specific key from the agent's collection of identities. r5 rX r N)r r rZ r[ rM r5 rK r )r r r5 �_r] r r r �agentc_REMOVE_IDENTITY� s z%SSHAgentServer.agentc_REMOVE_IDENTITYc C s$ |dks J �i | j _| �td� dS )zL Remove all keys from the agent's collection of identities. r N)rM r rK r �r r r r r � agentc_REMOVE_ALL_IDENTITIES� s z+SSHAgentServer.agentc_REMOVE_ALL_IDENTITIESc C s | � tt�dd�� dS )z� v1 message for listing RSA1 keys; superseded by agentc_REQUEST_IDENTITIES, which handles different key types. r r N)rK �AGENT_RSA_IDENTITIES_ANSWERr r& ra r r r � agentc_REQUEST_RSA_IDENTITIES� s z,SSHAgentServer.agentc_REQUEST_RSA_IDENTITIESc C s | � td� dS )z� v1 message for removing RSA1 keys; superseded by agentc_REMOVE_IDENTITY, which handles different key types. r N�rK r ra r r r �agentc_REMOVE_RSA_IDENTITY� s z)SSHAgentServer.agentc_REMOVE_RSA_IDENTITYc C s | � td� dS )z� v1 message for removing all RSA1 keys; superseded by agentc_REMOVE_ALL_IDENTITIES, which handles different key types. r Nre ra r r r � agentc_REMOVE_ALL_RSA_IDENTITIES� s z/SSHAgentServer.agentc_REMOVE_ALL_RSA_IDENTITIESN)rD rE rF rG r r$ rK rS rU r^ r` rb rd rf rg r r r r rH � s rH r � r/ rV � � � � � � � � � � ZAGENTC_)$rG r Ztwisted.conch.errorr r Ztwisted.conch.sshr Ztwisted.conch.ssh.commonr r r Ztwisted.internetr r �Protocolr rH Z AGENTC_REQUEST_RSA_IDENTITIESrc r r ZAGENTC_REMOVE_RSA_IDENTITYZ AGENTC_REMOVE_ALL_RSA_IDENTITIESr+ r0 r; r> r7 r@ rB rI �locals�copy�items�name�valuer r r r �<module> s2 k
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