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DNSSEC CI tests
Tests: * install master, replica, then instal DNSSEC on master * test if zone is signed (added on master) * test if zone is signed (added on replica) * install master with DNSSEC, then install replica * test if root zone is signed * add zone, verify signatures using our root zone https://fedorahosted.org/freeipa/ticket/4657 Reviewed-By: Milan Kubik <mkubik@redhat.com>
This commit is contained in:
Martin Basti
Petr Vobornik
parent
b9c5744031
commit
0a1a3d7312
@ -135,6 +135,7 @@ class BasePathNamespace(object):
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SYSTEMD_IPA_SERVICE = "/etc/systemd/system/multi-user.target.wants/ipa.service"
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SYSTEMD_SSSD_SERVICE = "/etc/systemd/system/multi-user.target.wants/sssd.service"
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SYSTEMD_PKI_TOMCAT_SERVICE = "/etc/systemd/system/pki-tomcatd.target.wants/pki-tomcatd@pki-tomcat.service"
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DNSSEC_TRUSTED_KEY = "/etc/trusted-key.key"
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HOME_DIR = "/home"
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ROOT_IPA_CACHE = "/root/.ipa_cache"
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ROOT_PKI = "/root/.pki"
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@ -184,7 +184,7 @@ def enable_replication_debugging(host):
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stdin_text=logging_ldif)
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def install_master(host):
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def install_master(host, setup_dns=True):
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host.collect_log(paths.IPASERVER_INSTALL_LOG)
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host.collect_log(paths.IPACLIENT_INSTALL_LOG)
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inst = host.domain.realm.replace('.', '-')
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@ -194,20 +194,27 @@ def install_master(host):
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apply_common_fixes(host)
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fix_apache_semaphores(host)
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host.run_command(['ipa-server-install', '-U',
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'-r', host.domain.name,
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'-p', host.config.dirman_password,
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'-a', host.config.admin_password,
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'--setup-dns',
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'--forwarder', host.config.dns_forwarder])
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args = [
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'ipa-server-install', '-U',
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'-r', host.domain.name,
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'-p', host.config.dirman_password,
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'-a', host.config.admin_password
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]
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if setup_dns:
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args.extend([
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'--setup-dns',
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'--forwarder', host.config.dns_forwarder
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])
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host.run_command(args)
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enable_replication_debugging(host)
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setup_sssd_debugging(host)
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kinit_admin(host)
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def install_replica(master, replica, setup_ca=True):
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def install_replica(master, replica, setup_ca=True, setup_dns=False):
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replica.collect_log(paths.IPAREPLICA_INSTALL_LOG)
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replica.collect_log(paths.IPAREPLICA_CONNCHECK_LOG)
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@ -231,6 +238,11 @@ def install_replica(master, replica, setup_ca=True):
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replica_filename]
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if setup_ca:
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args.append('--setup-ca')
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if setup_dns:
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args.extend([
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'--setup-dns',
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'--forwarder', replica.config.dns_forwarder
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])
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replica.run_command(args)
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enable_replication_debugging(replica)
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286
ipatests/test_integration/test_dnssec.py
Normal file
286
ipatests/test_integration/test_dnssec.py
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@ -0,0 +1,286 @@
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#
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# Copyright (C) 2015 FreeIPA Contributors see COPYING for license
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#
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import dns.dnssec
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import dns.resolver
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import dns.name
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import time
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from ipatests.test_integration.base import IntegrationTest
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from ipatests.test_integration import tasks
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from ipaplatform.paths import paths
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test_zone = "dnssec.test."
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test_zone_repl = "dnssec-replica.test."
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root_zone = "."
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example_test_zone = "example.test."
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def resolve_with_dnssec(nameserver, query, log, rtype="SOA"):
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res = dns.resolver.Resolver()
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res.nameservers = [nameserver]
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res.lifetime = 10 # wait max 10 seconds for reply
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# enable Authenticated Data + Checking Disabled flags
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res.set_flags(dns.flags.AD | dns.flags.CD)
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# enable EDNS v0 + enable DNSSEC-Ok flag
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res.use_edns(0, dns.flags.DO, 0)
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ans = res.query(query, rtype)
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return ans
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def is_record_signed(nameserver, query, log, rtype="SOA"):
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try:
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ans = resolve_with_dnssec(nameserver, query, log, rtype=rtype)
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ans.response.find_rrset(ans.response.answer, dns.name.from_text(query),
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dns.rdataclass.IN, dns.rdatatype.RRSIG,
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dns.rdatatype.from_text(rtype))
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except KeyError:
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return False
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except dns.exception.DNSException:
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return False
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return True
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def wait_until_record_is_signed(nameserver, record, log, rtype="SOA",
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timeout=100):
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"""
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Returns True if record is signed, or False on timeout
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:param nameserver: nameserver to query
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:param record: query
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:param log: logger
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:param rtype: record type
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:param timeout:
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:return: True if records is signed, False if timeout
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"""
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log.info("Waiting for signed %s record of %s from server %s (timeout %s "
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"sec)", rtype, record, nameserver, timeout)
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wait_until = time.time() + timeout
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while time.time() < wait_until:
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if is_record_signed(nameserver, record, log, rtype=rtype):
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return True
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time.sleep(1)
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return False
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class TestInstallDNSSECLast(IntegrationTest):
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"""Simple DNSSEC test
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Install a server and a replica with DNS, then reinstall server
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as DNSSEC master
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"""
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num_replicas = 1
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topology = 'star'
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@classmethod
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def install(cls, mh):
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tasks.install_master(cls.master, setup_dns=True)
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tasks.install_replica(cls.master, cls.replicas[0], setup_dns=True)
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def test_install_dnssec_master(self):
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"""Both master and replica have DNS installed"""
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args = [
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"ipa-dns-install",
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"--dnssec-master",
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"--forwarder", self.master.config.dns_forwarder,
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"-p", self.master.config.dirman_password,
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"-U",
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]
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self.master.run_command(args)
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def test_if_zone_is_signed_master(self):
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# add zone with enabled DNSSEC signing on master
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args = [
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"ipa",
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"dnszone-add", test_zone,
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"--dnssec", "true",
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]
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self.master.run_command(args)
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# test master
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assert wait_until_record_is_signed(
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self.master.ip, test_zone, self.log, timeout=100
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), "Zone %s is not signed (master)" % test_zone
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# test replica
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assert wait_until_record_is_signed(
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self.replicas[0].ip, test_zone, self.log, timeout=200
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), "DNS zone %s is not signed (replica)" % test_zone
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def test_if_zone_is_signed_replica(self):
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# add zone with enabled DNSSEC signing on replica
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args = [
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"ipa",
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"dnszone-add", test_zone_repl,
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"--dnssec", "true",
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]
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self.replicas[0].run_command(args)
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# test replica
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assert wait_until_record_is_signed(
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self.replicas[0].ip, test_zone_repl, self.log, timeout=300
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), "Zone %s is not signed (replica)" % test_zone_repl
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# we do not need to wait, on master zones should be singed faster
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# than on replicas
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assert wait_until_record_is_signed(
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self.master.ip, test_zone_repl, self.log, timeout=5
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), "DNS zone %s is not signed (master)" % test_zone
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class TestInstallDNSSECFirst(IntegrationTest):
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"""Simple DNSSEC test
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Install the server with DNSSEC and then install the replica with DNS
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"""
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num_replicas = 1
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topology = 'star'
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@classmethod
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def install(cls, mh):
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tasks.install_master(cls.master, setup_dns=False)
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args = [
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"ipa-dns-install",
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"--dnssec-master",
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"--forwarder", cls.master.config.dns_forwarder,
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"-p", cls.master.config.dirman_password,
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"-U",
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]
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cls.master.run_command(args)
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tasks.install_replica(cls.master, cls.replicas[0], setup_dns=True)
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# backup trusted key
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tasks.backup_file(cls.master, paths.DNSSEC_TRUSTED_KEY)
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tasks.backup_file(cls.replicas[0], paths.DNSSEC_TRUSTED_KEY)
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@classmethod
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def uninstall(cls, mh):
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# restore trusted key
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tasks.restore_files(cls.master)
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tasks.restore_files(cls.replicas[0])
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super(TestInstallDNSSECFirst, cls).uninstall(mh)
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def test_sign_root_zone(self):
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args = [
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"ipa", "dnszone-add", root_zone, "--dnssec", "true"
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]
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self.master.run_command(args)
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# make BIND happy, and delegate zone which contains A record of master
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args = [
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"ipa", "dnsrecord-add", root_zone, self.master.domain.name,
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"--ns-rec=" + self.master.hostname
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]
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self.master.run_command(args)
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# test master
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assert wait_until_record_is_signed(
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self.master.ip, root_zone, self.log, timeout=100
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), "Zone %s is not signed (master)" % root_zone
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# test replica
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assert wait_until_record_is_signed(
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self.replicas[0].ip, root_zone, self.log, timeout=300
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), "Zone %s is not signed (replica)" % root_zone
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def test_chain_of_trust(self):
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"""
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Validate signed DNS records, using our own signed root zone
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:return:
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"""
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# add test zone
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args = [
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"ipa", "dnszone-add", example_test_zone, "--dnssec", "true"
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]
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self.master.run_command(args)
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# wait until zone is signed
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assert wait_until_record_is_signed(
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self.master.ip, example_test_zone, self.log, timeout=100
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), "Zone %s is not signed (master)" % example_test_zone
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# GET DNSKEY records from zone
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ans = resolve_with_dnssec(self.master.ip, example_test_zone, self.log,
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rtype="DNSKEY")
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dnskey_rrset = ans.response.get_rrset(
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ans.response.answer,
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dns.name.from_text(example_test_zone),
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dns.rdataclass.IN,
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dns.rdatatype.DNSKEY)
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assert dnskey_rrset, "No DNSKEY records received"
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self.log.debug("DNSKEY records returned: %s", dnskey_rrset.to_text())
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# generate DS records
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ds_records = []
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for key_rdata in dnskey_rrset:
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if key_rdata.flags != 257:
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continue # it is not KSK
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ds_records.append(dns.dnssec.make_ds(example_test_zone, key_rdata,
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'sha256'))
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assert ds_records, ("No KSK returned from the %s zone" %
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example_test_zone)
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self.log.debug("DS records for %s created: %r", example_test_zone,
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ds_records)
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# add DS records to root zone
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args = [
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"ipa", "dnsrecord-add", root_zone, example_test_zone,
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# DS record requires to coexists with NS
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"--ns-rec", self.master.hostname,
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]
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for ds in ds_records:
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args.append("--ds-rec")
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args.append(ds.to_text())
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self.master.run_command(args)
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# extract DSKEY from root zone
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ans = resolve_with_dnssec(self.master.ip, root_zone, self.log,
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rtype="DNSKEY")
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dnskey_rrset = ans.response.get_rrset(ans.response.answer,
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dns.name.from_text(root_zone),
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dns.rdataclass.IN,
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dns.rdatatype.DNSKEY)
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assert dnskey_rrset, "No DNSKEY records received"
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self.log.debug("DNSKEY records returned: %s", dnskey_rrset.to_text())
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# export trust keys for root zone
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root_key_rdatas = []
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for key_rdata in dnskey_rrset:
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if key_rdata.flags != 257:
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continue # it is not KSK
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root_key_rdatas.append(key_rdata)
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assert root_key_rdatas, "No KSK returned from the root zone"
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root_keys_rrset = dns.rrset.from_rdata_list(dnskey_rrset.name,
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dnskey_rrset.ttl,
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root_key_rdatas)
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self.log.debug("Root zone trusted key: %s", root_keys_rrset.to_text())
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# set trusted key for our root zone
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self.master.put_file_contents(paths.DNSSEC_TRUSTED_KEY,
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root_keys_rrset.to_text() + '\n')
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self.replicas[0].put_file_contents(paths.DNSSEC_TRUSTED_KEY,
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root_keys_rrset.to_text() + '\n')
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# verify signatures
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args = [
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"drill", "@localhost", "-k",
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paths.DNSSEC_TRUSTED_KEY, "-S",
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example_test_zone, "SOA"
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]
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# test if signature chains are valid
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self.master.run_command(args)
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self.replicas[0].run_command(args)
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