diff options
Diffstat (limited to 'auth/credentials/tests/bind.py')
| -rwxr-xr-x | auth/credentials/tests/bind.py | 261 |
1 files changed, 261 insertions, 0 deletions
diff --git a/auth/credentials/tests/bind.py b/auth/credentials/tests/bind.py new file mode 100755 index 0000000..ce81b73 --- /dev/null +++ b/auth/credentials/tests/bind.py @@ -0,0 +1,261 @@ +#!/usr/bin/env python3 +# -*- coding: utf-8 -*- +# This is unit with tests for LDAP access checks + +import optparse +import sys +import base64 +import copy + +sys.path.insert(0, "bin/python") +import samba +from samba.tests.subunitrun import SubunitOptions, TestProgram + +import samba.getopt as options + +from ldb import SCOPE_BASE, SCOPE_SUBTREE, LdbError, ERR_INVALID_CREDENTIALS + +from samba import gensec +import samba.tests +from samba.tests import delete_force +from samba.credentials import Credentials + +def create_credential(lp, other): + c = Credentials() + c.guess(lp) + c.set_gensec_features(other.get_gensec_features()) + return c + +parser = optparse.OptionParser("bind [options] <host>") +sambaopts = options.SambaOptions(parser) +parser.add_option_group(sambaopts) + +# use command line creds if available +credopts = options.CredentialsOptions(parser) +parser.add_option_group(credopts) +subunitopts = SubunitOptions(parser) +parser.add_option_group(subunitopts) +opts, args = parser.parse_args() + +if len(args) < 1: + parser.print_usage() + sys.exit(1) + +host = args[0] +lp = sambaopts.get_loadparm() +creds = credopts.get_credentials(lp) +creds.set_gensec_features(creds.get_gensec_features() | gensec.FEATURE_SEAL) + +creds_machine = create_credential(lp, creds) +creds_virtual = create_credential(lp, creds) +creds_user1 = create_credential(lp, creds) +creds_user2 = create_credential(lp, creds) +creds_user3 = create_credential(lp, creds) +creds_user4 = create_credential(lp, creds) +creds_user5 = create_credential(lp, creds) +creds_user6 = create_credential(lp, creds) +creds_user7 = create_credential(lp, creds) + +class BindTests(samba.tests.TestCase): + + info_dc = None + + def setUp(self): + super(BindTests, self).setUp() + # fetch rootDSEs + + self.ldb = samba.tests.connect_samdb(host, credentials=creds, lp=lp, ldap_only=True) + + if self.info_dc is None: + res = self.ldb.search(base="", expression="", scope=SCOPE_BASE, attrs=["*"]) + self.assertEqual(len(res), 1) + BindTests.info_dc = res[0] + # cache some of RootDSE props + self.schema_dn = self.info_dc["schemaNamingContext"][0] + self.domain_dn = self.info_dc["defaultNamingContext"][0] + self.config_dn = self.info_dc["configurationNamingContext"][0] + self.realm = self.info_dc["ldapServiceName"][0].split(b'@')[1].decode('utf-8') + self.computer_dn = "CN=centos53,CN=Computers,%s" % self.domain_dn + self.virtual_user_dn = "CN=frednurk@%s,CN=Computers,%s" % (self.realm, self.domain_dn) + self.password = "P@ssw0rd" + self.username = "BindTestUser" + + def tearDown(self): + delete_force(self.ldb, self.virtual_user_dn) + super(BindTests, self).tearDown() + + def test_virtual_email_account_style_bind(self): + # create a user in the style often deployed for authentication + # of virtual email account at a hosting provider + # + # The userPrincipalName must not match the samAccountName for + # this test to detect when the LDAP DN is being double-parsed + # but must be in the user@realm style to allow the account to + # be created + try: + self.ldb.add_ldif(""" +dn: """ + self.virtual_user_dn + """ +cn: frednurk@""" + self.realm + """ +displayName: Fred Nurk +sAMAccountName: frednurk@""" + self.realm + """ +userPrincipalName: frednurk@NOT.""" + self.realm + """ +countryCode: 0 +objectClass: computer +objectClass: organizationalPerson +objectClass: person +objectClass: top +objectClass: user +""") + except LdbError as e: + (num, msg) = e.args + self.fail(f"Failed to create e-mail user: {msg}") + + self.addCleanup(delete_force, self.ldb, self.virtual_user_dn) + try: + self.ldb.modify_ldif(""" +dn: """ + self.virtual_user_dn + """ +changetype: modify +replace: unicodePwd +unicodePwd:: """ + base64.b64encode(u"\"P@ssw0rd\"".encode('utf-16-le')).decode('utf8') + """ +""") + except LdbError as e: + (num, msg) = e.args + self.fail(f"Failed to set password on e-mail user: {msg}") + + self.ldb.enable_account('distinguishedName=%s' % self.virtual_user_dn) + + # do a simple bind and search with the machine account + creds_virtual.set_bind_dn(self.virtual_user_dn) + creds_virtual.set_password(self.password) + print("BindTest with: " + creds_virtual.get_bind_dn()) + try: + ldb_virtual = samba.tests.connect_samdb(host, credentials=creds_virtual, + lp=lp, ldap_only=True) + except LdbError as e: + (num, msg) = e.args + if num != ERR_INVALID_CREDENTIALS: + raise + self.fail(msg) + + res = ldb_virtual.search(base="", expression="", scope=SCOPE_BASE, attrs=["*"]) + + def test_computer_account_bind(self): + # create a computer acocount for the test + delete_force(self.ldb, self.computer_dn) + self.ldb.add_ldif(""" +dn: """ + self.computer_dn + """ +cn: CENTOS53 +displayName: CENTOS53$ +name: CENTOS53 +sAMAccountName: CENTOS53$ +countryCode: 0 +objectClass: computer +objectClass: organizationalPerson +objectClass: person +objectClass: top +objectClass: user +codePage: 0 +userAccountControl: 4096 +dNSHostName: centos53.alabala.test +operatingSystemVersion: 5.2 (3790) +operatingSystem: Windows Server 2003 +""") + self.ldb.modify_ldif(""" +dn: """ + self.computer_dn + """ +changetype: modify +replace: unicodePwd +unicodePwd:: """ + base64.b64encode(u"\"P@ssw0rd\"".encode('utf-16-le')).decode('utf8') + """ +""") + + # do a simple bind and search with the machine account + creds_machine.set_bind_dn(self.computer_dn) + creds_machine.set_password(self.password) + print("BindTest with: " + creds_machine.get_bind_dn()) + ldb_machine = samba.tests.connect_samdb(host, credentials=creds_machine, + lp=lp, ldap_only=True) + res = ldb_machine.search(base="", expression="", scope=SCOPE_BASE, attrs=["*"]) + + def test_user_account_bind(self): + # create user + self.ldb.newuser(username=self.username, password=self.password) + ldb_res = self.ldb.search(base=self.domain_dn, + scope=SCOPE_SUBTREE, + expression="(samAccountName=%s)" % self.username, + attrs=["objectSid"]) + self.assertEqual(len(ldb_res), 1) + user_dn = ldb_res[0]["dn"] + self.addCleanup(delete_force, self.ldb, user_dn) + + # do a simple bind and search with the user account in format user@realm + creds_user1.set_bind_dn(self.username + "@" + creds.get_realm()) + creds_user1.set_password(self.password) + print("BindTest with: " + creds_user1.get_bind_dn()) + ldb_user1 = samba.tests.connect_samdb(host, credentials=creds_user1, + lp=lp, ldap_only=True) + res = ldb_user1.search(base="", expression="", scope=SCOPE_BASE, attrs=["*"]) + + # do a simple bind and search with the user account in format domain\user + creds_user2.set_bind_dn(creds.get_domain() + "\\" + self.username) + creds_user2.set_password(self.password) + print("BindTest with: " + creds_user2.get_bind_dn()) + ldb_user2 = samba.tests.connect_samdb(host, credentials=creds_user2, + lp=lp, ldap_only=True) + res = ldb_user2.search(base="", expression="", scope=SCOPE_BASE, attrs=["*"]) + + # do a simple bind and search with the user account DN + creds_user3.set_bind_dn(str(user_dn)) + creds_user3.set_password(self.password) + print("BindTest with: " + creds_user3.get_bind_dn()) + ldb_user3 = samba.tests.connect_samdb(host, credentials=creds_user3, + lp=lp, ldap_only=True) + res = ldb_user3.search(base="", expression="", scope=SCOPE_BASE, attrs=["*"]) + + # do a simple bind and search with the user account SID + creds_user5.set_bind_dn(self.ldb.schema_format_value("objectSid", ldb_res[0]["objectSid"][0]).decode('utf8')) + creds_user5.set_password(self.password) + print("BindTest with: " + creds_user5.get_bind_dn()) + ldb_user5 = samba.tests.connect_samdb(host, credentials=creds_user5, + lp=lp, ldap_only=True) + res = ldb_user5.search(base="", expression="", scope=SCOPE_BASE, attrs=["*"]) + + # do a simple bind and search with the canonical name + creds_user6.set_bind_dn(user_dn.canonical_str()) + creds_user6.set_password(self.password) + print("BindTest with: " + creds_user6.get_bind_dn()) + ldb_user6 = samba.tests.connect_samdb(host, credentials=creds_user6, + lp=lp, ldap_only=True) + res = ldb_user6.search(base="", expression="", scope=SCOPE_BASE, attrs=["*"]) + + # do a simple bind and search with the extended canonical name + creds_user7.set_bind_dn(user_dn.canonical_ex_str()) + creds_user7.set_password(self.password) + print("BindTest with: " + creds_user7.get_bind_dn()) + ldb_user7 = samba.tests.connect_samdb(host, credentials=creds_user7, + lp=lp, ldap_only=True) + res = ldb_user7.search(base="", expression="", scope=SCOPE_BASE, attrs=["*"]) + + def test_user_account_bind_no_domain(self): + # create user + self.ldb.newuser(username=self.username, password=self.password) + ldb_res = self.ldb.search(base=self.domain_dn, + scope=SCOPE_SUBTREE, + expression="(samAccountName=%s)" % self.username) + self.assertEqual(len(ldb_res), 1) + user_dn = ldb_res[0]["dn"] + self.addCleanup(delete_force, self.ldb, user_dn) + + creds_user4.set_username(self.username) + creds_user4.set_password(self.password) + creds_user4.set_domain('') + creds_user4.set_workstation('') + print("BindTest (no domain) with: " + self.username) + try: + ldb_user4 = samba.tests.connect_samdb(host, credentials=creds_user4, + lp=lp, ldap_only=True) + except: + self.fail("Failed to connect without the domain set") + + res = ldb_user4.search(base="", expression="", scope=SCOPE_BASE, attrs=["*"]) + + +TestProgram(module=__name__, opts=subunitopts) |