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TLDs cannot be longer than 63 characters

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This commit is contained in:
Matthew Ames
2015-11-18 07:18:20 +00:00
parent 78733ae0cb
commit 1051c45166
1 changed files with 2 additions and 2 deletions
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4
letsencrypt/configuration.py
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@@ -155,8 +155,8 @@ def _check_config_domain_sanity(domains):
"Punycode domains are not supported")
# FQDN checks from
# http://www.mkyong.com/regular-expressions/domain-name-regular-expression-example/
# Characters used, domain parts < 63 chars, tld > 1 char
# Characters used, domain parts < 63 chars, tld > 1 < 64 chars
# first and last char is not "-"
fqdn = re.compile("^((?!-)[A-Za-z0-9-]{1,63}(?<!-)\\.)+[A-Za-z]{2,}$")
fqdn = re.compile("^((?!-)[A-Za-z0-9-]{1,63}(?<!-)\\.)+[A-Za-z]{2,63}$")
if any(True for d in domains if not fqdn.match(d)):
raise errors.ConfigurationError("Requested domain is not a FQDN")