Merge pull request #349 from YunoHost/fix-925-local-domain-resolution

[fix] Local domain resolution in cert-install/renew
This commit is contained in:
Laurent Peuch 2017-08-18 03:44:46 +02:00 committed by GitHub
commit 20c3c8386d

View file

@ -31,7 +31,6 @@ import grp
import smtplib
import requests
import subprocess
import socket
import dns.resolver
import glob
@ -48,7 +47,7 @@ import yunohost.domain
from moulinette import m18n
from yunohost.app import app_ssowatconf
from yunohost.service import _run_service_command
from yunohost.service import _run_service_command, service_regen_conf
logger = getActionLogger('yunohost.certmanager')
@ -529,6 +528,9 @@ def _fetch_and_enable_new_certificate(domain, staging=False):
_set_permissions(WEBROOT_FOLDER, "root", "www-data", 0650)
_set_permissions(TMP_FOLDER, "root", "root", 0640)
# Regen conf for dnsmasq if needed
_regen_dnsmasq_if_needed()
# Prepare certificate signing request
logger.info(
"Prepare key and certificate signing request (CSR) for %s...", domain)
@ -819,13 +821,6 @@ def _check_domain_is_ready_for_ACME(domain):
raise MoulinetteError(errno.EINVAL, m18n.n(
'certmanager_domain_http_not_working', domain=domain))
# Check if domain is resolved locally (Might happen despite the previous
# checks because of dns propagation ?... Acme-tiny won't work in that case,
# because it explicitly requests() the domain.)
if not _domain_is_resolved_locally(public_ip, domain):
raise MoulinetteError(errno.EINVAL, m18n.n(
'certmanager_domain_not_resolved_locally', domain=domain))
def _dns_ip_match_public_ip(public_ip, domain):
try:
@ -854,15 +849,46 @@ def _domain_is_accessible_through_HTTP(ip, domain):
return True
def _domain_is_resolved_locally(public_ip, domain):
# FIXME / TODO : ideally this should not be needed. There should be a proper
# mechanism to regularly check the value of the public IP and trigger
# corresponding hooks (e.g. dyndns update and dnsmasq regen-conf)
def _regen_dnsmasq_if_needed():
"""
Update the dnsmasq conf if some IPs are not up to date...
"""
try:
ip = socket.gethostbyname(domain)
except socket.error as e:
logger.debug("Couldn't get domain '%s' ip because: %s" % (domain, e))
return False
ipv4 = yunohost.domain.get_public_ip()
except:
ipv4 = None
try:
ipv6 = yunohost.domain.get_public_ip(6)
except:
ipv6 = None
logger.debug("Domain '%s' IP address is resolved to %s, expect it to be %s or in the 127.0.0.0/8 address block" % (domain, public_ip, ip))
return ip.startswith("127.") or ip == public_ip
do_regen = False
# For all domain files in DNSmasq conf...
domainsconf = glob.glob("/etc/dnsmasq.d/*.*")
for domainconf in domainsconf:
# Look for the IP, it's in the lines with this format :
# address=/the.domain.tld/11.22.33.44
for line in open(domainconf).readlines():
if not line.startswith("address"):
continue
ip = line.strip().split("/")[2]
# Compared found IP to current IPv4 / IPv6
# IPv6 IPv4
if (":" in ip and ip != ipv6) or (ip != ipv4):
do_regen = True
break
if do_regen:
break
if do_regen:
service_regen_conf(["dnsmasq"])
def _name_self_CA():