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d d Z dd Z dS )zJThe match_hostname() function from Python 3.3.3, essential when using SSL.é N)Ú ipaddressz3.5.0.1c @ s e Zd ZdS )ÚCertificateErrorN)Ú__name__Ú
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d d |¡ d tj ¡} | |¡S )zhMatching according to RFC 6125, section 6.4.3
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FÚ.r r NÚ*z,too many wildcards in certificate DNS name: z[^.]+zxn--z\*z[^.]*z\Az\.z\Z)ÚsplitÚcountr ÚreprÚlowerÚappendÚ
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isinstanceÚstrÚsysÚ version_infoÚunicode)Úobjr r r Ú _to_unicodeO s r, c C s t t| ¡ ¡}||kS )zExact matching of IP addresses.
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|
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ztempty or no certificate, match_hostname needs a SSL socket or SSL context with either CERT_OPTIONAL or CERT_REQUIREDNÚsubjectAltNamer ÚDNSz
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6
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