Adding upstream version 2:4.20.0+dfsg.upstream/2%4.20.0+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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)