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# Blackbox tests for "samba_dnsupdate" command
# Copyright (C) Kamen Mazdrashki <kamenim@samba.org> 2011
# Copyright (C) Andrew Bartlett <abartlet@samba.org> 2015
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
import samba.tests
from io import StringIO
from samba.common import get_string
from samba.netcmd.main import samba_tool
from samba.credentials import Credentials
from samba.auth import system_session
from samba.samdb import SamDB
import ldb
import shutil
class SambaDnsUpdateTests(samba.tests.BlackboxTestCase):
"""Blackbox test case for samba_dnsupdate."""
def setUp(self):
self.server_ip = samba.tests.env_get_var_value("DNS_SERVER_IP")
super().setUp()
try:
out = self.check_output("samba_dnsupdate --verbose")
self.assertTrue(b"Looking for DNS entry" in out, out)
except samba.tests.BlackboxProcessError:
pass
def test_samba_dnsupdate_no_change(self):
try:
out = self.check_output("samba_dnsupdate --verbose")
except samba.tests.BlackboxProcessError as e:
self.fail("Error calling samba_dnsupdate: %s" % e)
self.assertTrue(b"No DNS updates needed" in out, out)
def test_samba_dnsupdate_set_ip(self):
try:
out = self.check_output("samba_dnsupdate --verbose --current-ip=10.0.0.1")
self.assertTrue(b" DNS updates and" in out, out)
self.assertTrue(b" DNS deletes needed" in out, out)
except samba.tests.BlackboxProcessError:
pass
try:
out = self.check_output("samba_dnsupdate --verbose --use-nsupdate --current-ip=10.0.0.1")
except samba.tests.BlackboxProcessError as e:
self.fail("Error calling samba_dnsupdate: %s" % e)
self.assertTrue(b"No DNS updates needed" in out, out)
try:
rpc_out = self.check_output("samba_dnsupdate --verbose --use-samba-tool --rpc-server-ip=%s" % self.server_ip)
except samba.tests.BlackboxProcessError as e:
self.fail("Error calling samba_dnsupdate: %s" % e)
self.assertTrue(b" DNS updates and" in rpc_out, rpc_out)
self.assertTrue(b" DNS deletes needed" in rpc_out, rpc_out)
out = self.check_output("samba_dnsupdate --verbose")
self.assertTrue(b"No DNS updates needed" in out, out + rpc_out)
def test_add_new_uncovered_site(self):
site_name = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
# Clear out any existing site
result = samba_tool('sites', 'remove', site_name,
outf=StringIO(),
errf=StringIO())
result = samba_tool('sites', 'create', site_name,
outf=StringIO(),
errf=StringIO())
if result is not None:
self.fail("Error creating new site")
self.lp = samba.tests.env_loadparm()
self.creds = Credentials()
self.creds.guess(self.lp)
self.session = system_session()
uc_fn = self.lp.private_path('dns_update_cache')
tmp_uc = uc_fn + '_tmp'
shutil.copyfile(uc_fn, tmp_uc)
self.samdb = SamDB(session_info=self.session,
credentials=self.creds,
lp=self.lp)
m = ldb.Message()
m.dn = ldb.Dn(self.samdb, 'CN=DEFAULTIPSITELINK,CN=IP,'
'CN=Inter-Site Transports,CN=Sites,{0}'.format(
self.samdb.get_config_basedn()))
m['siteList'] = ldb.MessageElement("CN={0},CN=Sites,{1}".format(
site_name,
self.samdb.get_config_basedn()),
ldb.FLAG_MOD_ADD, "siteList")
dns_c = "samba_dnsupdate --verbose --use-file={0}".format(tmp_uc)
out = get_string(self.check_output(dns_c))
self.assertNotIn(site_name.lower(), out)
self.samdb.modify(m)
shutil.copyfile(uc_fn, tmp_uc)
out = get_string(self.check_output(dns_c))
self.assertNotIn("No DNS updates needed", out)
self.assertIn(site_name.lower(), out)
result = samba_tool('sites', 'remove', site_name,
outf=StringIO(),
errf=StringIO())
if result is not None:
self.fail("Error deleting site")
def test_samba_dnsupdate_samba_tool_all_names(self):
"""We ask it to update all names, which should all already
exist and cause no errors."""
try:
out = self.check_output(["samba_dnsupdate",
"--verbose",
"--use-samba-tool",
"--all-names"])
except samba.tests.BlackboxProcessError as e:
self.fail(f"samba_dnsupdate returned an error: {e}")
self.assertIn(b"Record already exists", out)
self.assertNotIn(b"ERROR", out)
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