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# Authors:
# Rob Crittenden <rcritten@redhat.com>
#
# Copyright (C) 2010 Red Hat
# see file 'COPYING' for use and warranty information
#
# 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/>.
"""
Test `ipa-getkeytab`
"""
import os
import shutil
from cmdline import cmdline_test
from ipalib import api
from ipalib import errors
import tempfile
from ipapython import ipautil
import nose
import tempfile
import krbV
from ipaserver.plugins.ldap2 import ldap2
from ipalib.dn import *
def use_keytab(principal, keytab):
try:
tmpdir = tempfile.mkdtemp(prefix = "tmp-")
ccache_file = 'FILE:%s/ccache' % tmpdir
krbcontext = krbV.default_context()
principal = str(principal)
keytab = krbV.Keytab(name=keytab, context=krbcontext)
principal = krbV.Principal(name=principal, context=krbcontext)
os.environ['KRB5CCNAME'] = ccache_file
ccache = krbV.CCache(name=ccache_file, context=krbcontext, primary_principal=principal)
ccache.init(principal)
ccache.init_creds_keytab(keytab=keytab, principal=principal)
conn = ldap2(shared_instance=False, ldap_uri=api.env.ldap_uri, base_dn=api.env.basedn)
conn.connect(ccache=ccache.name)
conn.disconnect()
except krbV.Krb5Error, e:
raise StandardError('Unable to bind to LDAP. Error initializing principal %s in %s: %s' % (principal.name, keytab, str(e)))
finally:
del os.environ['KRB5CCNAME']
if tmpdir:
shutil.rmtree(tmpdir)
class test_ipagetkeytab(cmdline_test):
"""
Test `ipa-getkeytab`.
"""
command = "ipa-client/ipa-getkeytab"
host_fqdn = u'ipatest.%s' % api.env.domain
service_princ = u'test/%s@%s' % (host_fqdn, api.env.realm)
[keytabfd, keytabname] = tempfile.mkstemp()
os.close(keytabfd)
def test_0_setup(self):
"""
Create a host to test against.
"""
# Create the service
try:
api.Command['host_add'](self.host_fqdn, force=True)
except errors.DuplicateEntry:
# it already exists, no problem
pass
def test_1_run(self):
"""
Create a keytab with `ipa-getkeytab` for a non-existent service.
"""
new_args = [self.command,
"-s", api.env.host,
"-p", "test/notfound.example.com",
"-k", self.keytabname,
]
(out, err, rc) = ipautil.run(new_args, stdin=None, raiseonerr=False)
assert err == 'Operation failed! PrincipalName not found.\n\n'
def test_2_run(self):
"""
Create a keytab with `ipa-getkeytab` for an existing service.
"""
# Create the service
try:
api.Command['service_add'](self.service_princ, force=True)
except errors.DuplicateEntry:
# it already exists, no problem
pass
os.unlink(self.keytabname)
new_args = [self.command,
"-s", api.env.host,
"-p", self.service_princ,
"-k", self.keytabname,
]
try:
(out, err, rc) = ipautil.run(new_args, None)
assert err == 'Keytab successfully retrieved and stored in: %s\n' % self.keytabname
except ipautil.CalledProcessError, e:
assert (False)
def test_3_use(self):
"""
Try to use the service keytab.
"""
use_keytab(self.service_princ, self.keytabname)
def test_4_disable(self):
"""
Disable a kerberos principal
"""
# Verify that it has a principal key
entry = api.Command['service_show'](self.service_princ)['result']
assert(entry['has_keytab'] == True)
# Disable it
api.Command['service_disable'](self.service_princ)
# Verify that it looks disabled
entry = api.Command['service_show'](self.service_princ)['result']
assert(entry['has_keytab'] == False)
def test_5_use_disabled(self):
"""
Try to use the disabled keytab
"""
try:
use_keytab(self.service_princ, self.keytabname)
except StandardError, errmsg:
assert('Unable to bind to LDAP. Error initializing principal' in str(errmsg))
def test_9_cleanup(self):
"""
Clean up test data
"""
# First create the host that will use this policy
os.unlink(self.keytabname)
api.Command['host_del'](self.host_fqdn)
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