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o [ Pd�A � @ s� d Z ddlZddlZddlZddlZddlZddlZddlZddlm Z ddlm Z ddlm Z ddlm Z ddlm Z ddlmZ dd lmZ dd lmZ ddlZdd lmZ dd lmZ dd lmZ e�e�ZejZ G dd� d�Z G dd� d�Z dde ddfde de de de de dee!e f de e e! d ej"fd d �Z# d>d e d!e eee! e e! f d"e$d#e e eej%ej&f d e f d$d%�Z'd&eej"ej(f d e e! fd'd(�Z)d)eej"ej(f d e e! fd*d+�Z*d)eej"ej(f d e e! fd,d-�Z+d)eej"ej(f d e e! fd.d/�Z, 1 d?d2ej-d!e e e! d3e e d4e d5e$d6e e ej. d7e e eej%ej%f d ej"fd8d9�Z/ej0fd:e ej" d;e d e fd<d=�Z1dS )@zCrypto utilities.� N)�Any)�Callable)�List)�Mapping)�Optional)�Set)�Tuple)�Union)�crypto)�SSL)�errorsc @ sR e Zd Zdeeeejejf f fdd�Z de j de eejejf fdd�Z dS ) �_DefaultCertSelection�certsc C � || _ d S �N)r )�selfr � r �2/usr/lib/python3/dist-packages/acme/crypto_util.py�__init__% � z _DefaultCertSelection.__init__� connection�returnc C s |� � }| j�|d �S r )�get_servernamer �get)r r � server_namer r r �__call__( s z _DefaultCertSelection.__call__N)�__name__� __module__� __qualname__r �bytesr r �PKey�X509r r � Connectionr r r r r r r $ s "(r c @ s� e Zd ZdZdeddfdejdeeee e j e j f f de deeejee gef deeejge e j e j f f ddf d d �Zd edefd d �Zdejddfdd�ZG dd� d�Zde eef fdd�ZdS )� SSLSocketa� SSL wrapper for sockets. :ivar socket sock: Original wrapped socket. :ivar dict certs: Mapping from domain names (`bytes`) to `OpenSSL.crypto.X509`. :ivar method: See `OpenSSL.SSL.Context` for allowed values. :ivar alpn_selection: Hook to select negotiated ALPN protocol for connection. :ivar cert_selection: Hook to select certificate for connection. If given, `certs` parameter would be ignored, and therefore must be empty. N�sockr �method�alpn_selection�cert_selectionr c C sX || _ || _|| _|s|std��|r|rtd��|}|d u r't|r$|ni �}|| _d S )Nz*Neither cert_selection or certs specified.z(Both cert_selection and certs specified.)r$ r& r% � ValueErrorr r' )r r$ r r% r& r' �actual_cert_selectionr r r r : s � zSSLSocket.__init__�namec C � t | j|�S r )�getattrr$ �r r* r r r � __getattr__P � zSSLSocket.__getattr__r c C s� | � |�}|du rt�d|�� � dS |\}}t�| j�}|�tj� |�tj � |� |� |� |� | j dur>|� | j � |�|� dS )a� SNI certificate callback. This method will set a new OpenSSL context object for this connection when an incoming connection provides an SNI name (in order to serve the appropriate certificate, if any). :param connection: The TLS connection object on which the SNI extension was received. :type connection: :class:`OpenSSL.Connection` Nz=Certificate selection for server name %s failed, dropping SSL)r' �logger�debugr r �Contextr% � set_options� OP_NO_SSLv2� OP_NO_SSLv3�use_privatekey�use_certificater& �set_alpn_select_callback� set_context)r r �pair�key�cert� new_contextr r r �_pick_certificate_cbS s � z SSLSocket._pick_certificate_cbc @ sH e Zd ZdZdejddfdd�Zdedefdd �Z d ede fd d �Z dS ) zSSLSocket.FakeConnectionz Fake OpenSSL.SSL.Connection.r r Nc C r r )�_wrapped)r r r r r r s r z!SSLSocket.FakeConnection.__init__r* c C r+ r )r, r? r- r r r r. v r/ z$SSLSocket.FakeConnection.__getattr__� unused_argsc G s | j �� S r )r? �shutdown)r r@ r r r rA y s z!SSLSocket.FakeConnection.shutdown) r r r �__doc__r r" r �strr r. �boolrA r r r r �FakeConnectionn s rE c C s� | j �� \}}t�| j�}|�tj� |�tj� |�| j � | j d ur*|� | j � | � t� ||��}|�� t�d|� z |�� W ||fS tjyX } zt�|��d }~ww )Nz Performing handshake with %s)r$ �acceptr r2 r% r3 r4 r5 � set_tlsext_servername_callbackr> r& r8 rE r" �set_accept_stater0 r1 � do_handshake�Error�socket�error)r r$ �addr�context�ssl_sockrL r r r rF } s" � ��zSSLSocket.accept)r r r rB �_DEFAULT_SSL_METHODrK r r r r r r r! �intr r r" r r rC r r. r> rE rF r r r r r# - s. ���� �� �r# i� i, )� r r* �host�port�timeoutr% �source_address�alpn_protocolsr c C s. t �|�}|�|� d|i}z%t�d||t|�r"d�|d |d �nd� ||f} tj| fi |��} W n tj yE } zt � | ��d} ~ ww t � | ��@} t �|| �} | �� | �| � |durd| �|� z | �� | �� W n t j y� } zt � | ��d} ~ ww W d � | �� S 1 s�w Y | �� S )a Probe SNI server for SSL certificate. :param bytes name: Byte string to send as the server name in the client hello message. :param bytes host: Host to connect to. :param int port: Port to connect to. :param int timeout: Timeout in seconds. :param method: See `OpenSSL.SSL.Context` for allowed values. :param tuple source_address: Enables multi-path probing (selection of source interface). See `socket.creation_connection` for more info. Available only in Python 2.7+. :param alpn_protocols: Protocols to request using ALPN. :type alpn_protocols: `list` of `str` :raises acme.errors.Error: In case of any problems. :returns: SSL certificate presented by the server. :rtype: OpenSSL.crypto.X509 rV z!Attempting to connect to %s:%d%s.z from {0}:{1}r � rR N)r r2 � set_timeoutr0 r1 �any�formatrK �create_connectionrL r rJ � contextlib�closingr" �set_connect_state�set_tlsext_host_name�set_alpn_protosrI rA �get_peer_certificate)r* rS rT rU r% rV rW rN � socket_kwargs� socket_tupler$ rL �client� client_sslr r r � probe_sni� sJ ��� �� ��� � � rg F�private_key_pem�domains� must_staple�ipaddrsc C s� t �t j| �}t �� }g }|du rg }|du rg }t|�t|� dkr'td��|D ] }|�d| � q)|D ] }|�d|j � q5d�|�� d�} t j dd | d �g} |r^| �t j d d d d �� |� | � |� |� |� d� |�|d � t �t j|�S )a� Generate a CSR containing domains or IPs as subjectAltNames. :param buffer private_key_pem: Private key, in PEM PKCS#8 format. :param list domains: List of DNS names to include in subjectAltNames of CSR. :param bool must_staple: Whether to include the TLS Feature extension (aka OCSP Must Staple: https://tools.ietf.org/html/rfc7633). :param list ipaddrs: List of IPaddress(type ipaddress.IPv4Address or ipaddress.IPv6Address) names to include in subbjectAltNames of CSR. params ordered this way for backward competablity when called by positional argument. :returns: buffer PEM-encoded Certificate Signing Request. Nr zAAt least one of domains or ipaddrs parameter need to be not empty�DNS:�IP:�, �ascii� subjectAltNameF��critical�values 1.3.6.1.5.5.7.1.24s DER:30:03:02:01:05�sha256)r �load_privatekey� FILETYPE_PEM�X509Req�lenr( �append�exploded�join�encode� X509Extension�add_extensions� set_pubkey� set_version�sign�dump_certificate_request) rh ri rj rk � private_key�csr�sanlist�address�ips� san_string� extensionsr r r �make_csr� sF ���� �r� �loaded_cert_or_reqc s6 | � � j� t| �}� d u r|S � g� fdd�|D � S )Nc s g | ]}|� kr|�qS r r )�.0�d�� common_namer r � <listcomp> s z4_pyopenssl_cert_or_req_all_names.<locals>.<listcomp>)� get_subject�CN�_pyopenssl_cert_or_req_san)r� �sansr r� r � _pyopenssl_cert_or_req_all_names s r� � cert_or_reqc s( d� d� �t | �}� �fdd�|D �S )a� Get Subject Alternative Names from certificate or CSR using pyOpenSSL. .. todo:: Implement directly in PyOpenSSL! .. note:: Although this is `acme` internal API, it is used by `letsencrypt`. :param cert_or_req: Certificate or CSR. :type cert_or_req: `OpenSSL.crypto.X509` or `OpenSSL.crypto.X509Req`. :returns: A list of Subject Alternative Names that is DNS. :rtype: `list` of `unicode` �:�DNSc s$ g | ]}|� ��r|�� �d �qS )rX )� startswith�split�r� �part��part_separator�prefixr r r� % s �z._pyopenssl_cert_or_req_san.<locals>.<listcomp>�� _pyopenssl_extract_san_list_raw)r� � sans_partsr r� r r� s �r� c s& d}d| � t | �}� fdd�|D �S )ai Get Subject Alternative Names IPs from certificate or CSR using pyOpenSSL. :param cert_or_req: Certificate or CSR. :type cert_or_req: `OpenSSL.crypto.X509` or `OpenSSL.crypto.X509Req`. :returns: A list of Subject Alternative Names that are IP Addresses. :rtype: `list` of `unicode`. note that this returns as string, not IPaddress object r� z IP Addressc s& g | ]}|� � �r|t� �d � �qS r )r� rx r� �r� r r r� : s & z1_pyopenssl_cert_or_req_san_ip.<locals>.<listcomp>r� )r� r� r� r r� r � _pyopenssl_cert_or_req_san_ip) s r� c C sj t | tj�rt�tj| ��d�}n t�tj| ��d�}t�d|�}d}|du r+g }|S |� d�� |�}|S )a Get raw SAN string from cert or csr, parse it as UTF-8 and return. :param cert_or_req: Certificate or CSR. :type cert_or_req: `OpenSSL.crypto.X509` or `OpenSSL.crypto.X509Req`. :returns: raw san strings, parsed byte as utf-8 :rtype: `list` of `unicode` zutf-8z5X509v3 Subject Alternative Name:(?: critical)?\s*(.*)rn NrX ) � isinstancer r! �dump_certificate� FILETYPE_TEXT�decoder� �re�search�groupr� )r� �text�raw_san�parts_separatorr� r r r r� = s �r� �: Tr; � not_before�validity� force_sanr� r� c C sZ |s|sJ d��t �� }|�tt�t�d��d�� |�d� |du r%g }|du r+g }|du r1g }|� t � ddd�� t |�dkrH|d |� � _ |�|� � � g }|D ] } |� d | � qS|D ] } |� d | j � q_d �|��d �} |s�t |�d ks�t |�dkr�|� t j dd| d�� |�|� |�|du r�dn|� |�|� |�| � |�| d� |S )ax Generate new self-signed certificate. :type domains: `list` of `unicode` :param OpenSSL.crypto.PKey key: :param bool force_san: :param extensions: List of additional extensions to include in the cert. :type extensions: `list` of `OpenSSL.crypto.X509Extension` :type ips: `list` of (`ipaddress.IPv4Address` or `ipaddress.IPv6Address`) If more than one domain is provided, all of the domains are put into ``subjectAltName`` X.509 extension and first domain is set as the subject CN. If only one domain is provided no ``subjectAltName`` extension is used, unless `force_san` is ``True``. z7Must provide one or more hostnames or IPs for the cert.� � Ns basicConstraintsTs CA:TRUE, pathlen:0r rl rm rn ro rX rp Frq rt )r r! �set_serial_numberrQ �binascii�hexlify�os�urandomr� ry r} rx r� r� � set_issuerrz r{ r| r~ �gmtime_adj_notBefore�gmtime_adj_notAfterr r� ) r; ri r� r� r� r� r� r< r� r� �ipr� r r r � gen_ss_cert\ sH �� � r� �chain�filetypec s: dt tjtjf dtf�fdd� � d�� fdd�| D ��S )z�Dump certificate chain into a bundle. :param list chain: List of `OpenSSL.crypto.X509` (or wrapped in :class:`josepy.util.ComparableX509`). :returns: certificate chain bundle :rtype: bytes r< r c s t | tj�r | j} t�� | �S r )r� �jose�ComparableX509�wrappedr r� )r< )r� r r � _dump_cert� s z(dump_pyopenssl_chain.<locals>._dump_cert� c 3 s � | ]}� |�V qd S r r )r� r< )r� r r � <genexpr>� s � z'dump_pyopenssl_chain.<locals>.<genexpr>)r r� r� r r! r r{ )r� r� r )r� r� r �dump_pyopenssl_chain� s " r� )NFN)NNr� TNN)2rB r� r] � ipaddress�loggingr� r� rK �typingr r r r r r r r �josepyr� �OpenSSLr r �acmer � getLoggerr r0 � SSLv23_METHODrP r r# r rQ rC r! rg rD � IPv4Address� IPv6Addressr� rw r� r� r� r� r r} r� rv r� r r r r �<module> s� h�� � � �7 ��� �7 �" "" ���� �� �&B
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