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stricter regex

This commit is contained in:
John Olten 2017-11-05 20:11:23 +01:00
parent 033ee4956d
commit f8216683b6
1 changed files with 1 additions and 1 deletions
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management/dns_update.py
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@ -16,7 +16,7 @@ from utils import shell, load_env_vars_from_file, safe_domain_name, sort_domains
# This regular expression matches domain names according to RFCs, it also accepts fqdn with an leading dot, # This regular expression matches domain names according to RFCs, it also accepts fqdn with an leading dot,
# as well as underscores which are allowed in domain names but not hostnames (i.e. allowed in # as well as underscores which are allowed in domain names but not hostnames (i.e. allowed in
# DNS but not in URLs), which are common in certain record types like for DKIM. # DNS but not in URLs), which are common in certain record types like for DKIM.
DOMAIN_RE = "^(?!\-)(?:[a-zA-Z\d\-_]{0,62}[a-zA-Z\d_*]\.){1,126}(?!\d+)[a-zA-Z\d_]{1,63}(\.?)$" DOMAIN_RE = "^(?!\-)(?:^[*][.])?(?:[a-zA-Z\d\-_]{0,62}[a-zA-Z\d_]\.){1,126}(?!\d+)[a-zA-Z\d_]{1,63}(\.?)$"
def get_dns_domains(env): def get_dns_domains(env):
# Add all domain names in use by email users and mail aliases and ensure # Add all domain names in use by email users and mail aliases and ensure