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gpg.cpython-310.pyc
o x[h� � @ st d Z ddlZddlZddlZddlZddlZddlmZ ddlm Z m Z ddl m Z e� e�ZdZG dd� d�ZdS ) z0gpg.py - Collection of gpg key related functions� N)�TemporaryDirectory)�Dict�Optional)�subp� GNUPGHOMEc @ s� e Zd Zdd� Zdd� Zedeeef fdd��Zdd � Z d"d d �Z d ede e fdd�Z d edefdd�Z d#dedefdd�Zd$d ededd fdd�Zd edd fdd�Z d%d edede e fd d �Zd"d d!�Zd S )&�GPGc C s d| _ i | _t� | _d S )NF)� gpg_started�_envr �temp_dir��self� r �//usr/lib/python3/dist-packages/cloudinit/gpg.py�__init__ s z GPG.__init__c C s | S �Nr r r r r � __enter__ s z GPG.__enter__�returnc C s& | j r| j S d| _t| jji| _ | j S )a when this env property gets invoked, set up our temporary directory, and also set gpg_started to tell the cleanup() method whether or not why put this here and not in __init__? pytest seems unhappy and it's not obvious how to work around it T)r r �HOMEr �namer r r r �env" s zGPG.envc C s | � � d S r )�cleanup)r �exc_typ� exc_value� tracebackr r r �__exit__1 s z GPG.__exit__Nc C s4 | � � | jrtj�| jj�r| j�� dS dS dS )z0cleanup the gpg temporary directory and kill gpgN)�kill_gpgr �os�path�isdirr r r r r r r 4 s �z GPG.cleanup�keyc C sV zt j ddd|gd| jd�jW S t jy* } zt�d||� W Y d}~dS d}~ww )z*Export gpg key, armoured key gets returned�gpgz--exportz--armourT��capture� update_env�&Failed to export armoured key "%s": %sN)r r �stdout�ProcessExecutionError�LOG�debug�r r �errorr r r � export_armour: s ����zGPG.export_armourc C s t j ddg|d| jd�jS )z�Dearmor gpg key, dearmored key gets returned note: man gpg(1) makes no mention of an --armour spelling, only --armor r z --dearmorF)�data�decoder# )r r r% )r r r r r �dearmorG s ��z GPG.dearmorF�key_filec C sL g d�}|s |� d� |� |� tj|| jdd�\}}|r$t�d||� |S )z�List keys from a keyring with fingerprints. Default to a stable machine parseable format. @param key_file: a string containing a filepath to a key @param human_output: return output intended for human parsing )r z --no-optionsz--with-fingerprintz--no-default-keyringz --list-keysz --keyringz --with-colonsT)r# r" r$ )�appendr r r' �warning)r r/ � human_output�cmdr% �stderrr r r � list_keysP s �z GPG.list_keys�� r7 � keyserverc C s� t �d||� d}d}t|pg �} |d7 }ztjddd| d |gd| jd � t �d |||� W dS tjyF } z|}W Y d}~nd}~ww zt|�}t �d |j|� t� |� W n t yq } z t d ||||f �|�d}~ww q)a� Receive gpg key from the specified keyserver. Retries are done by default because keyservers can be unreliable. Additionally, there is no way to determine the difference between a non-existent key and a failure. In both cases gpg (at least 2.2.4) exits with status 2 and stderr: "keyserver receive failed: No data" It is assumed that a key provided to cloud-init exists on the keyserver so re-trying makes better sense than failing. @param key: a string key fingerprint (as passed to gpg --recv-keys). @param keyserver: the keyserver to request keys from. @param retries: an iterable of sleep lengths for retries. Use None to indicate no retries.z&Importing key '%s' from keyserver '%s'r NTr7 r z--no-ttyz--keyserver=%sz --recv-keysr! z/Imported key '%s' from keyserver '%s' on try %dz6Import failed with exit code %d, will try again in %ssz@Failed to import key '%s' from keyserver '%s' after %d tries: %s) r' r( �iterr r r& �next� exit_code�time�sleep� StopIteration� ValueError) r r r8 �retries�trynumr* �sleeps�e�naplenr r r �recv_keyj s^ �� ���� ������z GPG.recv_keyc C sZ zt j dddd|gd| jd� W dS t jy, } zt�d||� W Y d}~dS d}~ww ) z0Delete the specified key from the local gpg ringr z--batchz--yesz --delete-keysTr! zFailed delete key "%s": %sN)r r r& r' r1 r) r r r � delete_key� s � ��zGPG.delete_key�keyserver.ubuntu.com�keyidc C sj | � |�}|s3z%z| j||d� | � |�}W n ty$ t�d|� � w W | �|� |S | �|� w |S )z get gpg keyid from keyserver)r8 zFailed to obtain gpg key %s)r+ rE r? r' � exceptionrF )r rH r8 �armourr r r � getkeybyid� s �� �zGPG.getkeybyidc C s� zK| j sW dS t�d�rtjg d�d| jd�j}W dS tjg d�dddgd �j}t�d |�}d d � |D �}|r=t�d |� |D ] }t � |t j � q?W dS tj ye } z t�d|� W Y d}~dS d}~ww )a killing with gpgconf is best practice, but when it isn't available failover is possible GH: 4344 - stop gpg-agent/dirmgr daemons spawned by gpg key imports. Daemons spawned by cloud-config.service on systemd v253 report (running) N�gpgconf)rL z--kill�allTr! ) �psz-ozppid,pid�-C�keyboxdrO �dirmngrrO z gpg-agentr r7 )r" �rcsz (?P<ppid>\d+)\s+(?P<pid>\d+)c S s$ g | ]}|d dkrt |d ��qS )r �1r7 )�int)�.0�pidr r r � <listcomp>� s z GPG.kill_gpg.<locals>.<listcomp>z&Killing gpg-agent and dirmngr pids: %sz"Failed to clean up gpg process: %s)r r �whichr r% �re�findallr' r( r �kill�signal�SIGKILLr& r1 )r �gpg_process_out�gpg_pids� root_gpg_pids�gpg_pidrC r r r r � sF �� ��������z GPG.kill_gpg)r N)F)r6 )rG )�__name__� __module__� __qualname__r r �propertyr �strr r r r r+ r. r5 rE rF rK r r r r r r s* 7 ��� �r )�__doc__�loggingr rY r\ r< �tempfiler �typingr r � cloudinitr � getLoggerrb r' r r r r r r �<module> s