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authorKamen Mazdrashki <kamenim@samba.org>2010-06-25 04:30:21 +0300
committerKamen Mazdrashki <kamenim@samba.org>2010-06-25 04:51:58 +0300
commit0dd6a759ed41960500e0869bfe96d93b2d11f50a (patch)
tree49e38d558f2643f9178863be33433ba648f9b114 /source4/torture/drs/python
parente0aa54d0ed25a55fd6b4f5d08644d37981572fdd (diff)
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s4/drs-test: Tests Deleted objects replication
Tests how deleted objects are replicated between two DCs. Currently the test exploits following vulnerabilities: - DsReplicaSync is not correctly implemented - a 'deleted object' is restored (kind of) in case DC1 replicates from DC2 before the 'deleted object' is replicated
Diffstat (limited to 'source4/torture/drs/python')
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diff --git a/source4/torture/drs/python/delete_object.py b/source4/torture/drs/python/delete_object.py
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+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+#
+# Unix SMB/CIFS implementation.
+# Copyright (C) Kamen Mazdrashki <kamenim@samba.org> 2010
+#
+# 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/>.
+#
+
+#
+# Usage:
+# export DC1=dc1_dns_name
+# export DC2=dc2_dns_name
+# export SUBUNITRUN=$samba4srcdir/scripting/bin/subunitrun
+# PYTHONPATH="$PYTHONPATH:$samba4srcdir/torture/drs/python" $SUBUNITRUN delete_object -U"$DOMAIN/$DC_USERNAME"%"$DC_PASSWORD"
+#
+
+import sys
+import time
+import os
+
+sys.path.append("bin/python")
+
+from samba.auth import system_session
+from ldb import SCOPE_BASE, SCOPE_SUBTREE
+from samba.samdb import SamDB
+
+import samba.tests
+
+
+class DrsDeleteObjectTestCase(samba.tests.TestCase):
+
+ # RootDSE msg for DC1
+ info_dc1 = None
+ ldb_dc1 = None
+ # RootDSE msg for DC1
+ info_dc2 = None
+ ldb_dc2 = None
+
+ def setUp(self):
+ super(DrsDeleteObjectTestCase, self).setUp()
+
+ # connect to DCs singleton
+ if self.ldb_dc1 is None:
+ DrsDeleteObjectTestCase.dc1 = get_env_var("DC1")
+ DrsDeleteObjectTestCase.ldb_dc1 = connect_samdb(self.dc1)
+ if self.ldb_dc2 is None:
+ DrsDeleteObjectTestCase.dc2 = get_env_var("DC2")
+ DrsDeleteObjectTestCase.ldb_dc2 = connect_samdb(self.dc2)
+
+ # fetch rootDSEs
+ if self.info_dc1 is None:
+ ldb = self.ldb_dc1
+ res = ldb.search(base="", expression="", scope=SCOPE_BASE, attrs=["*"])
+ self.assertEquals(len(res), 1)
+ DrsDeleteObjectTestCase.info_dc1 = res[0]
+ if self.info_dc2 is None:
+ ldb = self.ldb_dc2
+ res = ldb.search(base="", expression="", scope=SCOPE_BASE, attrs=["*"])
+ self.assertEquals(len(res), 1)
+ DrsDeleteObjectTestCase.info_dc2 = res[0]
+
+ # cache some of RootDSE props
+ self.schema_dn = self.info_dc1["schemaNamingContext"][0]
+ self.domain_dn = self.info_dc1["defaultNamingContext"][0]
+ self.config_dn = self.info_dc1["configurationNamingContext"][0]
+ self.forest_level = int(self.info_dc1["forestFunctionality"][0])
+
+ # we will need DCs DNS names for 'net drs' command
+ self.dnsname_dc1 = self.info_dc1["dnsHostName"][0]
+ self.dnsname_dc2 = self.info_dc2["dnsHostName"][0]
+ pass
+
+ def test_noop(self):
+ pass
+
+ def tearDown(self):
+ super(DrsDeleteObjectTestCase, self).tearDown()
+
+ def _GUID_string(self, guid):
+ return self.ldb_dc1.schema_format_value("objectGUID", guid)
+
+ def _deleted_objects_dn(self, sam_ldb):
+ wkdn = "<WKGUID=18E2EA80684F11D2B9AA00C04F79F805,%s>" % self.domain_dn
+ res = sam_ldb.search(base=wkdn,
+ scope=SCOPE_BASE,
+ controls=["show_deleted:1"])
+ self.assertEquals(len(res), 1)
+ return str(res[0]["dn"])
+
+ def _make_username(self):
+ return "DrsDelObjUser_" + time.strftime("%s", time.gmtime())
+
+ def _check_user(self, sam_ldb, user_orig, is_deleted):
+ # search the user by guid as it may be deleted
+ guid_str = self._GUID_string(user_orig["objectGUID"][0])
+ expression = "(objectGUID=%s)" % guid_str
+ res = sam_ldb.search(base=self.domain_dn,
+ expression=expression,
+ controls=["show_deleted:1"])
+ self.assertEquals(len(res), 1)
+ user_cur = res[0]
+ # Deleted Object base DN
+ dodn = self._deleted_objects_dn(sam_ldb)
+ # now check properties of the user
+ name_orig = user_orig["cn"][0]
+ name_cur = user_cur["cn"][0]
+ if is_deleted:
+ self.assertEquals(user_cur["isDeleted"][0],"TRUE")
+ self.assertTrue(not("objectCategory" in user_cur))
+ self.assertTrue(not("sAMAccountType" in user_cur))
+ self.assertTrue(dodn in str(user_cur["dn"]),
+ "User %s is deleted but it is not located under %s!" % (name_orig, dodn))
+ self.assertEquals(name_cur, name_orig + "\nDEL:" + guid_str)
+ else:
+ self.assertTrue(not("isDeleted" in user_cur))
+ self.assertEquals(name_cur, name_orig)
+ self.assertEquals(user_orig["dn"], user_cur["dn"])
+ self.assertTrue(dodn not in str(user_cur["dn"]))
+ pass
+
+ def _net_drs_replicate(self, DC, fromDC):
+ # find out where is net command
+ net_cmd = os.path.abspath("./bin/net")
+ # make command line credentials string
+ creds = samba.tests.cmdline_credentials
+ cmd_line_auth = "-U%s/%s%%%s" % (creds.get_domain(),
+ creds.get_username(), creds.get_password())
+ # bin/net drs replicate <Dest_DC_NAME> <Src_DC_NAME> <Naming Context>
+ cmd_line = "%s drs replicate %s %s %s %s" % (net_cmd, DC, fromDC,
+ self.domain_dn, cmd_line_auth)
+ ret = os.system(cmd_line)
+ self.assertEquals(ret, 0, "Replicating %s from %s has failed!" % (DC, fromDC))
+ pass
+
+
+ def test_NetReplicateCmd(self):
+ # replicate Domain NC on DC2 from DC1
+ self._net_drs_replicate(DC=self.dc2, fromDC=self.dc1)
+ # replicate Domain NC on DC1 from DC2
+ self._net_drs_replicate(DC=self.dc1, fromDC=self.dc2)
+ pass
+
+ def test_ReplicateDeteleteObject(self):
+ # work-out unique username to test with
+ username = self._make_username()
+
+ # create user on DC1
+ self.ldb_dc1.newuser(username=username, password="P@sswOrd!")
+ ldb_res = self.ldb_dc1.search(base=self.domain_dn,
+ scope=SCOPE_SUBTREE,
+ expression="(samAccountName=%s)" % username)
+ self.assertEquals(len(ldb_res), 1)
+ user_orig = ldb_res[0]
+ user_dn = ldb_res[0]["dn"]
+
+ # check user info on DC1
+ print "Testing for %s with GUID %s" % (username, self._GUID_string(user_orig["objectGUID"][0]))
+ self._check_user(sam_ldb=self.ldb_dc1, user_orig=user_orig, is_deleted=False)
+
+ # trigger replication from DC1 to DC2
+ self._net_drs_replicate(DC=self.dc2, fromDC=self.dc1)
+
+ # delete user on DC1
+ self.ldb_dc1.delete(user_dn)
+ # check user info on DC1 - should be deleted
+ self._check_user(sam_ldb=self.ldb_dc1, user_orig=user_orig, is_deleted=True)
+ # check user info on DC2 - should be valid user
+ self._check_user(sam_ldb=self.ldb_dc2, user_orig=user_orig, is_deleted=False)
+
+ # trigger replication from DC2 to DC1
+ # to check if deleted object gets restored
+ self._net_drs_replicate(DC=self.dc1, fromDC=self.dc2)
+ # check user info on DC1 - should be deleted
+ self._check_user(sam_ldb=self.ldb_dc1, user_orig=user_orig, is_deleted=True)
+ # check user info on DC2 - should be valid user
+ self._check_user(sam_ldb=self.ldb_dc2, user_orig=user_orig, is_deleted=False)
+
+ # trigger replication from DC1 to DC2
+ # to check if deleted object is replicated
+ self._net_drs_replicate(DC=self.dc2, fromDC=self.dc1)
+ # check user info on DC1 - should be deleted
+ self._check_user(sam_ldb=self.ldb_dc1, user_orig=user_orig, is_deleted=True)
+ # check user info on DC2 - should be deleted
+ self._check_user(sam_ldb=self.ldb_dc2, user_orig=user_orig, is_deleted=True)
+ pass
+
+
+
+########################################################################################
+def get_env_var(var_name):
+ if not var_name in os.environ.keys():
+ raise AssertionError("Please supply %s in environment" % var_name)
+ return os.environ[var_name]
+
+def connect_samdb(samdb_url):
+ ldb_options = []
+ if not "://" in samdb_url:
+ if os.path.isfile(samdb_url):
+ samdb_url = "tdb://%s" % samdb_url
+ else:
+ samdb_url = "ldap://%s" % samdb_url
+ # user 'paged_search' module when connecting remotely
+ ldb_options = ["modules:paged_searches"]
+
+ return SamDB(url=samdb_url,
+ lp=samba.tests.env_loadparm(),
+ session_info=system_session(),
+ credentials=samba.tests.cmdline_credentials,
+ options=ldb_options)
+