Edit File: _implementation.cpython-36.pyc
3 �PfF � @ st d Z ddlZddlZy ddlZW n ek r8 dZY nX dZG dd� de�Zddd�Zd d � Z d d � Z d d� Z dS )zJThe match_hostname() function from Python 3.3.3, essential when using SSL.� Nz3.5.0.1c @ s e Zd ZdS )�CertificateErrorN)�__name__� __module__� __qualname__� r r �%/usr/lib/python3.6/_implementation.pyr s r � c C s� g }| s dS | j d�}|d }|dd� }|jd�}||krLtdt| � ��|s`| j� |j� kS |dkrt|jd� n>|jd �s�|jd �r�|jtj|�� n|jtj|�j d d �� x |D ]}|jtj|�� q�W tj d d j |� d tj �} | j |�S )zhMatching according to RFC 6125, section 6.4.3 http://tools.ietf.org/html/rfc6125#section-6.4.3 F�.r r N�*z,too many wildcards in certificate DNS name: z[^.]+zxn--z\*z[^.]*z\Az\.z\Z)�split�countr �repr�lower�append� startswith�re�escape�replace�compile�join� IGNORECASE�match) Zdn�hostnameZ max_wildcardsZpats�partsZleftmostZ remainderZ wildcardsZfragZpatr r r �_dnsname_match s* r c C s& t | t�r"tjdk r"t| ddd�} | S )N� �ascii�strict)�encoding�errors)r )� isinstance�str�sys� version_infoZunicode)�objr r r � _to_unicodeO s r% c C s t jt| �j� �}||kS )z�Exact matching of IP addresses. RFC 6125 explicitly doesn't define an algorithm for this (section 1.7.2 - "Out of Scope"). )� ipaddress� ip_addressr% �rstrip)Zipname�host_ipZipr r r �_ipaddress_matchT s r* c C s� | s t d��ytjt|��}W nP t k r6 d}Y n: tk rL d}Y n$ tk rn tdkrhd}n� Y nX g }| jdf �}xb|D ]Z\}}|dkr�|dkr�t||�r�dS |j|� q�|dkr�|dk r�t ||�r�dS |j|� q�W |�s8xL| jdf �D ]<}x6|D ].\}}|dk�rt||��r$dS |j|� �qW q�W t |�dk�rdt d |d j t t|��f ��n,t |�dk�r�t d ||d f ��nt d ��dS )a) Verify that *cert* (in decoded format as returned by SSLSocket.getpeercert()) matches the *hostname*. RFC 2818 and RFC 6125 rules are followed, but IP addresses are not accepted for *hostname*. CertificateError is raised on failure. On success, the function returns nothing. ztempty or no certificate, match_hostname needs a SSL socket or SSL context with either CERT_OPTIONAL or CERT_REQUIREDNZsubjectAltNameZDNSz IP AddressZsubjectZ commonNamer z&hostname %r doesn't match either of %sz, z hostname %r doesn't match %rr z=no appropriate commonName or subjectAltName fields were found)� ValueErrorr& r' r% � UnicodeError�AttributeError�getr r r* �lenr r �mapr )Zcertr r) ZdnsnamesZsan�key�value�subr r r �match_hostname` sJ r4 )r ) �__doc__r r" r& � ImportError� __version__r+ r r r% r* r4 r r r r �<module> s 5
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