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o �b1- � @ sv d Z ddlZddlZddlZddlZddlmZ ddlmZ ddl m Z ddl m Z m Z mZmZ ejejkrWz ddlZejejf W n eefyV dejd< ee� Y nw e� Zdd � ZG d d � d ej�Zd d � Z dd� Z dd� Z ed�dd� �Z ed�dd� �Z ed�dd� �Z!ed�d d � �Z"d d � Z#d d!� Z$d"d#� Z%d$d%� Z&d&e'd'e'fd(d)�Z(d*d+� Z)e*d,kr�e � dS dS )-z2 Implementation module for the `ckeygen` command. � N)�wraps)�reload)�keys)�failure�filepath�log�usage�termiosc s � fdd�}|S )Nc s t � �� fdd��}|t�< |S )Nc s � | i |��S )N� )�args�kwargs�� keygeneratorr �?/usr/lib/python3/dist-packages/twisted/conch/scripts/ckeygen.py�wrapper" s z:_keyGenerator.<locals>.assignkeygenerator.<locals>.wrapper)r �supportedKeyTypes)r r ��keyTyper r �assignkeygenerator! s z)_keyGenerator.<locals>.assignkeygeneratorr )r r r r r � _keyGenerator s r c @ s� e Zd ZdZdZg d�g d�g d�g d�g d�g d�g d �g d �gZg d �g d �g d �g d�g d�gZeje� e e � � ��e� ddg�d�d�Z dS )�GeneralOptionsz Usage: ckeygen [options] z8ckeygen manipulates public/private keys in various ways.)�bits�bNz$Number of bits in the key to create.)�filename�fNzFilename of the key file.)�type�tNz Specify type of key to create.)�comment�CNzProvide new comment.)�newpass�NNzProvide new passphrase.)�pass�PNzProvide old passphrase.)�format�o� sha256-base64z Fingerprint format of key file.)�private-key-subtypeNNz5OpenSSH private key subtype to write ("PEM" or "v1").)� fingerprint�lz Show fingerprint of key file.)� changepass�pz&Change passphrase of private key file.)�quiet�qzQuiet.)� no-passphraseNz"Create the key with no passphrase.)�showpub�yz+Read private key file and print public key.�PEM�v1)r r& )� optActionsN)�__name__� __module__� __qualname__�synopsis�longdesc� optParameters�optFlagsr � Completions� CompleteList�listr r �compDatar r r r r , s. �� � �r c C s( t � } z | �tjdd � � W n" tjy1 } ztd| � | �� t�d� W Y d }~nd }~ww t � � t t _ | d rk| d � � tv rYtd| d � t| d � � | � d S t�d| d d�t�� �f � d S | d rut| � d S | d rt| � d S | d r�t| � d S | �� t�d� d S ) N� z ERROR: %sr z&Generating public/private %s key pair.z"Key type was %s, must be one of %sz, r' r) r. )r � parseOptions�sys�argvr � UsageError�print�opt_help�exitr � discardLogs� handleError�deferr�lowerr �joinr �printFingerprint�changePassPhrase�displayPublicKey)�options�ur r r �runR s8 ���� rP c C sL | d dkrt jj| d< | S | d dkr t jj| d< | S t �d�| d ���)Nr# zmd5-hexr% z"Unsupported fingerprint format: {})r �FingerprintFormats�MD5_HEX� SHA256_BASE64�BadFingerPrintFormatr# )rN r r r �enumrepresentationp s �rU c C s da t�t�� � � )N� )� exitStatusr �errr �Failurer r r r rG } s rG �rsac C sZ ddl m} ddlm} | d sd| d< |jt| d �d|� d�}t�|�}t|| � d S )Nr ��default_backend)rZ r � i )�key_size�public_exponent�backend) � cryptography.hazmat.backendsr\ �)cryptography.hazmat.primitives.asymmetricrZ �generate_private_key�intr �Key�_saveKey)rN r\ rZ � keyPrimitive�keyr r r �generateRSAkey� s � ri �dsac C sX ddl m} ddlm} | d sd| d< |jt| d �|� d�}t�|�}t|| � d S )Nr r[ )rj r r] )r^ r` ) ra r\ rb rj rc rd r re rf )rN r\ rj rg rh r r r �generateDSAkey� s � rk �ecdsac C sl ddl m} ddlm} | d sd| d< dt| d ��d� }|jtj| |� d�}t� |�}t || � d S ) Nr r[ )�ecr � s ecdsa-sha2-nistp�ascii)�curver` ) ra r\ rb rm �str�encoderc r � _curveTablere rf )rN r\ rm rp rg rh r r r �generateECDSAkey� s � rt �ed25519c C s. ddl m} |j�� }t�|�}t|| � d S )Nr )ru )rb ru �Ed25519PrivateKey�generater re rf )rN ru rg rh r r r �generateEd25519key� s rx c C s | dkrdS dS )a Return a reasonable default private key subtype for a given key type. @type keyType: L{str} @param keyType: A key type, as returned by L{twisted.conch.ssh.keys.Key.type}. @rtype: L{str} @return: A private OpenSSH key subtype (C{'PEM'} or C{'v1'}). �Ed25519r1 r0 r r r r r �_defaultPrivateKeySubtype� s rz c C s� | d st j�d�}td| �| d< t j�| d d �r$| d d7 < t| �} z!tj�| d �}t d|� � |� | d �t j� | d �f � W d S tj yY t�d� Y d S w )Nr � ~/.ssh/id_rsa�%Enter file in which the key is (%s): �.pubz%s %s %sr# zbad key)�os�path� expanduser�input�existsrU r re �fromFilerC �sizer' �basename� BadKeyErrorr@ rE )rN r rh r r r rK � s& �� ��rK c C sT | d st j�d�}td| �| d< z tj�| d �}W nh tjyj | �d�s0t � d�| d< ztjj| d | d d�}W n) tj yM t � d� Y n tjyg } zt � d|� �� W Y d }~nd }~ww Y n tj y� } zt � d|� �� W Y d }~nd }~ww | �d �s� t � d �}t � d �}||kr�nt d � q�|| d < | �d�d u r�t|�� �| d< z|jd| d | d d�}W n ty� } zt � d|� �� W Y d }~nd }~ww z tjj|| d d� W n tjtj f�y } zt � d|� �� W Y d }~nd }~ww t| d d�� }|�|� W d � n 1 �s w Y t d� d S )Nr r{ r| r! zEnter old passphrase: �� passphrasez1Could not change passphrase: old passphrase errorz Could not change passphrase: r r> z0Enter new passphrase (empty for no passphrase): � Enter same passphrase again: �%Passphrases do not match. Try again.r& �openssh��subtyper� �wbz;Your identification has been saved with the new passphrase.)r~ r r� r� r re r� �EncryptedKeyError�get�getpassr� r@ rE rC rz r �toString� Exception� fromString�open�write)rN r rh �e�p1�p2� newkeydata�fdr r r rL � sh ��� �� � � �� �� � rL c C s� | d st j�d�}td| �| d< z tj�| d �}W n" tjy> | �d�s0t � d�| d< tjj| d | d d�}Y nw |� � � d�� d�}t |� d S ) Nr r{ r| r! zEnter passphrase: r� r� ro )r~ r r� r� r re r� r� r� r� �publicr� �decoderC )rN r rh � displayKeyr r r rM s � rM �prompt�returnc C s t | �S )zv Ask the user where to save the key. This needs to be a separate function so the unit test can patch it. )r� )r� r r r �_inputSaveFile% s r� c C s� ddddd�}|| � � }|d s*tj�d|� ��}td|� d ��}|�� p'||d< tj�|d �rKtd �|d �� t d �}|d � � d krKt � � |� d�rUd|d< n |d sr t�d�}t�d�}||krintd� qZ||d< |� d�du r�t| � � �|d< t�� � dt�� � �} t�|d ��| jd|d |d d�� t�|d d� t�|d d ��| �� jd| d �� t|�}td �|d �� td �|d �� td �|d �� t| �|d �� dS )!z� Persist a SSH key on local filesystem. @param key: Key which is persisted on local filesystem. @type key: C{keys.Key} implementation. @param options: @type options: L{dict} rl ru rZ rj )�ECry �RSA�DSAr z ~/.ssh/id_z%Enter file in which to save the key (z): z{} already exists.zOverwrite (y/n)? r r/ r- � r! r> z,Enter passphrase (empty for no passphrase): r� r� r& N�@r� r� i�� r} )r z(Your identification has been saved in {}z(Your public key has been saved in {}.pubz The key fingerprint in {} is:r# )r r~ r r� r� �stripr� rC r# r� rI r@ rE r� r� rz �getuser�socket� gethostnamer �FilePath� setContentr� �chmodr� rU r' ) rh rN �KeyTypeMapping� keyTypeName� defaultPath�newPath�ynr� r� r r r r rf . sV � ����rf �__main__)+�__doc__r� r~ r� r@ � functoolsr �impr �twisted.conch.sshr �twisted.pythonr r r r � unix_getpassr � tcgetattr� tcsetattr� ImportError�AttributeError�modules�dictr r �Optionsr rP rU rG ri rk rt rx rz rK rL rM rq r� rf r3 r r r r �<module> sP � & 3 > �
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