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Try for more DNS lookups

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Try to hit likely DNS names, or at least provide a means
of manipulating /etc/hosts to induce
a good domain for the default certificate SAN fields.

Note putting the FQDN first in /etc/hosts will get the FQDN in the
certificate.
This commit is contained in:
Jarrod Johnson 2024-09-20 18:34:02 -04:00
parent a8df3692b6
commit 71a83ac39c
1 changed files with 9 additions and 3 deletions
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12
confluent_server/confluent/certutil.py
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@ -218,11 +218,17 @@ def create_certificate(keyout=None, certout=None, csrout=None):
subprocess.check_call(
['openssl', 'ecparam', '-name', 'secp384r1', '-genkey', '-out',
keyout])
san = ['IP:{0}'.format(x) for x in get_ip_addresses()]
ipaddrs = list(get_ip_addresses())
san = ['IP:{0}'.format(x) for x in ipaddrs]
# It is incorrect to put IP addresses as DNS type. However
# there exists non-compliant clients that fail with them as IP
san.extend(['DNS:{0}'.format(x) for x in get_ip_addresses()])
san.append('DNS:{0}'.format(shortname))
# san.extend(['DNS:{0}'.format(x) for x in ipaddrs])
dnsnames = set(ipaddrs)
dnsnames.add(shortname)
for currip in ipaddrs:
dnsnames.add(socket.getnameinfo((currip, 0), 0)[0])
for currname in dnsnames:
san.append('DNS:{0}'.format(currname))
#san.append('DNS:{0}'.format(longname))
san = ','.join(san)
sslcfg = get_openssl_conf_location()