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bpo-37845: Fixed SSLCertVerificationError when Certifications are published with DNS Names that may start with white spaces #15260

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bpo-37845: Fixed SSLCertVerificationError when Certifications are published with DNS Names that may start with white spaces #15260

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31e0628
Fixed issue 37845: SSLCertVerificationError("partial wildcards in lef…
DK26 Aug 13, 2019
a0ca654
Uncomment the fix from previous commit
DK26 Aug 13, 2019
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3 changes: 3 additions & 0 deletions Lib/ssl.py
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Expand Up @@ -285,6 +285,9 @@ def _dnsname_match(dn, hostname):
if not dn:
return False

# Make sure there are no mistake "white space" present
dn = dn.strip()

wildcards = dn.count('*')
# speed up common case w/o wildcards
if not wildcards:
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