JezK
Edit File: traffic_packet.py
# Unit and integration tests for traffic_packet.py # # Copyright (C) Catalyst IT Ltd. 2017 # # 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 os import shutil import tempfile from samba.auth import system_session from samba.credentials import MUST_USE_KERBEROS, DONT_USE_KERBEROS from samba.emulate import traffic_packets as p from samba.emulate import traffic from samba.emulate.traffic import Packet from samba.samdb import SamDB import samba.tests from samba import sd_utils class TrafficEmulatorPacketTests(samba.tests.TestCase): def setUp(self): super(TrafficEmulatorPacketTests, self).setUp() self.server = os.environ["SERVER"] self.domain = os.environ["DOMAIN"] self.host = os.environ["SERVER_IP"] self.lp = self.get_loadparm() self.session = system_session() self.credentials = self.get_credentials() self.ldb = SamDB(url="ldap://%s" % self.host, session_info=self.session, credentials=self.credentials, lp=self.lp) self.domain_sid = self.ldb.get_domain_sid() traffic.clean_up_accounts(self.ldb, 1) self.tempdir = tempfile.mkdtemp(prefix="traffic_packet_test_") self.context = traffic.ReplayContext(server=self.server, lp=self.lp, creds=self.credentials, tempdir=self.tempdir, ou=traffic.ou_name(self.ldb, 1), domain_sid=self.domain_sid, total_conversations=3, instance_id=1) self.conversation = traffic.Conversation() self.conversation.conversation_id = 1 self.machinename = "STGM-1-1" self.machinepass = samba.generate_random_password(32, 32) self.username = "STGU-1-1" self.userpass = samba.generate_random_password(32, 32) account = traffic.ConversationAccounts( self.machinename, self.machinepass, self.username, self.userpass) traffic.create_ou(self.ldb, 1) traffic.create_machine_account(self.ldb, 1, self.machinename, self.machinepass) traffic.create_user_account(self.ldb, 1, self.username, self.userpass) self.context.generate_process_local_config(account, self.conversation) # grant user write permission to do things like write account SPN sdutils = sd_utils.SDUtils(self.ldb) mod = "(A;;WP;;;PS)" sdutils.dacl_add_ace(self.context.user_dn, mod) def tearDown(self): super(TrafficEmulatorPacketTests, self).tearDown() traffic.clean_up_accounts(self.ldb, 1) del self.ldb shutil.rmtree(self.tempdir) def test_packet_cldap_03(self): packet = Packet.from_line( "0.0\t11\t1\t2\t1\tcldap\t3\tsearchRequest\t") self.assertTrue(p.packet_cldap_3(packet, self.conversation, self. context)) def test_packet_cldap_05(self): packet = Packet.from_line( "0.0\t11\t1\t1\t2\tcldap\t5\tsearchResDone\t") self.assertFalse(p.packet_cldap_5(packet, self.conversation, self. context)) def test_packet_dcerpc_00(self): packet = Packet.from_line("0.0\t11\t1\t2\t1\tdcerpc\t0\tRequest\t") self.assertFalse(p.packet_dcerpc_0(packet, self.conversation, self. context)) def test_packet_dcerpc_02(self): packet = Packet.from_line("0.0\t11\t1\t1\t2\tdcerpc\t2\tResponse\t") self.assertFalse(p.packet_dcerpc_2(packet, self.conversation, self. context)) def test_packet_dcerpc_03(self): packet = Packet.from_line("0.0\t11\t1\t1\t2\tdcerpc\t3\t\t") self.assertFalse(p.packet_dcerpc_3(packet, self.conversation, self. context)) def test_packet_dcerpc_11(self): packet = Packet.from_line("0.0\t11\t1\t2\t1\tdcerpc\t11\tBind\t") self.assertFalse(p.packet_dcerpc_11(packet, self.conversation, self. context)) def test_packet_dcerpc_13(self): packet = Packet.from_line("0.0\t11\t1\t2\t1\tdcerpc\t13\t\t") self.assertFalse(p.packet_dcerpc_13(packet, self.conversation, self. context)) def test_packet_dcerpc_14(self): packet = Packet.from_line( "0.0\t11\t1\t2\t1\tdcerpc\t14\tAlter_context\t") self.assertFalse(p.packet_dcerpc_14(packet, self.conversation, self. context)) def test_packet_dcerpc_15(self): packet = Packet.from_line( "0.0\t11\t1\t1\t2\tdcerpc\t15\tAlter_context_resp\t") # Set user_creds MUST_USE_KERBEROS to suppress the warning message. self.context.user_creds.set_kerberos_state(MUST_USE_KERBEROS) self.assertFalse(p.packet_dcerpc_15(packet, self.conversation, self. context)) def test_packet_dcerpc_16(self): packet = Packet.from_line( "0.0\t11\t1\t1\t2\tdcerpc\t16\tAUTH3\t") self.assertFalse(p.packet_dcerpc_16(packet, self.conversation, self. context)) def test_packet_dns_01(self): packet = Packet.from_line( "0.0\t11\t1\t1\t2\tdns\t1\tresponse\t") self.assertFalse(p.packet_dns_1(packet, self.conversation, self. context)) def test_packet_drsuapi_00(self): packet = Packet.from_line( "0.0\t06\t1\t1\t2\tdrsuapi\t0\tDsBind\t") self.assertTrue(p.packet_drsuapi_0(packet, self.conversation, self. context)) def test_packet_drsuapi_01(self): packet = Packet.from_line( "0.0\t06\t1\t1\t2\tdrsuapi\t1\tDsUnBind\t") self.assertTrue(p.packet_drsuapi_1(packet, self.conversation, self. context)) def test_packet_drsuapi_02(self): packet = Packet.from_line( "0.0\t06\t1\t1\t2\tdrsuapi\t2\tDsReplicaSync\t") self.assertFalse(p.packet_drsuapi_2(packet, self.conversation, self. context)) def test_packet_drsuapi_03(self): packet = Packet.from_line( "0.0\t06\t1\t1\t2\tdrsuapi\t3\tDsGetNCChanges\t") self.assertFalse(p.packet_drsuapi_3(packet, self.conversation, self. context)) def test_packet_drsuapi_04(self): packet = Packet.from_line( "0.0\t06\t1\t1\t2\tdrsuapi\t4\tDsReplicaUpdateRefs\t") self.assertFalse(p.packet_drsuapi_4(packet, self.conversation, self. context)) def test_packet_drsuapi_12(self): packet = Packet.from_line( "0.0\t06\t1\t1\t2\tdrsuapi\t12\tDsCrackNames\t") self.assertTrue(p.packet_drsuapi_12(packet, self.conversation, self. context)) def test_packet_drsuapi_13(self): packet = Packet.from_line( "0.0\t06\t1\t1\t2\tdrsuapi\t13\tDsWriteAccountSpn\t") self.assertTrue(p.packet_drsuapi_13(packet, self.conversation, self. context)) def test_packet_epm_03(self): packet = Packet.from_line( "0.0\t06\t1\t1\t2\tepm\t3\tMap\t") self.assertFalse(p.packet_epm_3(packet, self.conversation, self. context)) def test_packet_kerberos(self): """Kerberos packets are not generated, but are used as a hint to favour kerberos. """ packet = Packet.from_line( "0.0\t11\t1\t1\t2\tkerberos\t\t\t") self.assertFalse(p.packet_kerberos_(packet, self.conversation, self. context)) self.assertEqual(MUST_USE_KERBEROS, self.context.user_creds.get_kerberos_state()) self.assertEqual(MUST_USE_KERBEROS, self.context.user_creds_bad.get_kerberos_state()) self.assertEqual(MUST_USE_KERBEROS, self.context.machine_creds.get_kerberos_state()) self.assertEqual(MUST_USE_KERBEROS, self.context.machine_creds_bad.get_kerberos_state()) self.assertEqual(MUST_USE_KERBEROS, self.context.creds.get_kerberos_state()) # Need to restore kerberos creds on the admin creds otherwise # subsequent tests fail self.credentials.set_kerberos_state(DONT_USE_KERBEROS) def test_packet_ldap(self): packet = Packet.from_line( "0.0\t06\t1\t1\t2\tldap\t\t*** Unknown ***\t") self.assertFalse(p.packet_ldap_(packet, self.conversation, self. context)) def test_packet_ldap_00_sasl(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tldap\t0\tbindRequest" "\t\t\t\t\t3\tsasl\t1.3.6.1.5.5.2") self.assertTrue(p.packet_ldap_0(packet, self.conversation, self. context)) def test_packet_ldap_00_simple(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tldap\t0\tbindRequest" "\t\t\t\t\t0\tsimple\t") self.assertTrue(p.packet_ldap_0(packet, self.conversation, self. context)) def test_packet_ldap_01(self): packet = Packet.from_line( "0.0\t06\t1\t1\t2\tldap\t1\tbindResponse\t") self.assertFalse(p.packet_ldap_1(packet, self.conversation, self. context)) def test_packet_ldap_02(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tldap\t2\tunbindRequest\t") self.assertFalse(p.packet_ldap_2(packet, self.conversation, self. context)) def test_packet_ldap_03(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tldap\t3\tsearchRequest" "\t2\tDC,DC\t\tcn\t\t\t") self.assertTrue(p.packet_ldap_3(packet, self.conversation, self. context)) def test_packet_ldap_04(self): packet = Packet.from_line( "0.0\t06\t1\t1\t2\tldap\t4\tsearchResEntry\t") self.assertFalse(p.packet_ldap_4(packet, self.conversation, self. context)) def test_packet_ldap_05(self): packet = Packet.from_line( "0.0\t06\t1\t1\t2\tldap\t5\tsearchResDone\t") self.assertFalse(p.packet_ldap_5(packet, self.conversation, self. context)) def test_packet_ldap_06(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tldap\t6\tmodifyRequest\t" "\t\t\t\t0\tadd") self.assertFalse(p.packet_ldap_6(packet, self.conversation, self. context)) def test_packet_ldap_07(self): packet = Packet.from_line( "0.0\t06\t1\t1\t2\tldap\t7\tmodifyResponse\t") self.assertFalse(p.packet_ldap_7(packet, self.conversation, self. context)) def test_packet_ldap_08(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tldap\t8\taddRequest\t") self.assertFalse(p.packet_ldap_8(packet, self.conversation, self. context)) def test_packet_ldap_09(self): packet = Packet.from_line( "0.0\t06\t1\t1\t2\tldap\t9\taddResponse\t") self.assertFalse(p.packet_ldap_9(packet, self.conversation, self. context)) def test_packet_ldap_16(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tldap\t16\tabandonRequest\t") self.assertFalse(p.packet_ldap_16(packet, self.conversation, self. context)) def test_packet_lsarpc_00(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tlsarpc\t0\tlsa_Close\t") self.assertFalse(p.packet_lsarpc_1(packet, self.conversation, self. context)) def test_packet_lsarpc_01(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tlsarpc\t1\tlsa_Delete\t") self.assertFalse(p.packet_lsarpc_1(packet, self.conversation, self. context)) def test_packet_lsarpc_02(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tlsarpc\t2\tlsa_EnumeratePrivileges\t") self.assertFalse(p.packet_lsarpc_2(packet, self.conversation, self. context)) def test_packet_lsarpc_03(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tlsarpc\t3\tlsa_QuerySecurityObject\t") self.assertFalse(p.packet_lsarpc_3(packet, self.conversation, self. context)) def test_packet_lsarpc_04(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tlsarpc\t4\tlsa_SetSecurityObject\t") self.assertFalse(p.packet_lsarpc_4(packet, self.conversation, self. context)) def test_packet_lsarpc_05(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tlsarpc\t5\tlsa_ChangePassword\t") self.assertFalse(p.packet_lsarpc_5(packet, self.conversation, self. context)) def test_packet_lsarpc_06(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tlsarpc\t6\tlsa_OpenPolicy\t") self.assertFalse(p.packet_lsarpc_6(packet, self.conversation, self. context)) def test_packet_lsarpc_14(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tlsarpc\t14\tlsa_LookupNames\t") self.assertTrue(p.packet_lsarpc_14(packet, self.conversation, self. context)) def test_packet_lsarpc_15(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tlsarpc\t15\tlsa_LookupSids\t") self.assertTrue(p.packet_lsarpc_15(packet, self.conversation, self. context)) def test_packet_lsarpc_39(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tlsarpc\t39\tlsa_QueryTrustedDomainInfoBySid\t") self.assertTrue(p.packet_lsarpc_39(packet, self.conversation, self. context)) def test_packet_lsarpc_40(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tlsarpc\t40\tlsa_SetTrustedDomainInfo\t") self.assertFalse(p.packet_lsarpc_40(packet, self.conversation, self. context)) def test_packet_lsarpc_43(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tlsarpc\t43\tlsa_StorePrivateData\t") self.assertFalse(p.packet_lsarpc_43(packet, self.conversation, self. context)) def test_packet_lsarpc_44(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tlsarpc\t44\tlsa_RetrievePrivateData\t") self.assertFalse(p.packet_lsarpc_44(packet, self.conversation, self. context)) def test_packet_lsarpc_68(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tlsarpc\t68\tlsa_LookupNames3\t") self.assertFalse(p.packet_lsarpc_68(packet, self.conversation, self. context)) def test_packet_lsarpc_76(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tlsarpc\t76\tlsa_LookupSids3\t") self.assertTrue(p.packet_lsarpc_76(packet, self.conversation, self. context)) def test_packet_lsarpc_77(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tlsarpc\t77\tlsa_LookupNames4\t") self.assertTrue(p.packet_lsarpc_77(packet, self.conversation, self. context)) def test_packet_nbns_00(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tnbns\t0\tquery\t") self.assertTrue(p.packet_nbns_0(packet, self.conversation, self. context)) def test_packet_nbns_01(self): packet = Packet.from_line( "0.0\t06\t1\t1\t2\tnbns\t1\tresponse\t") self.assertTrue(p.packet_nbns_0(packet, self.conversation, self. context)) def test_packet_rpc_netlogon_00(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\trpc_netlogon\t0\tNetrLogonUasLogon\t") self.assertFalse(p.packet_rpc_netlogon_0(packet, self.conversation, self. context)) def test_packet_rpc_netlogon_01(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\trpc_netlogon\t1\tNetrLogonUasLogoff\t") self.assertFalse(p.packet_rpc_netlogon_1(packet, self.conversation, self. context)) def test_packet_rpc_netlogon_04(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\trpc_netlogon\t4\tNetrServerReqChallenge\t") self.assertFalse(p.packet_rpc_netlogon_4(packet, self.conversation, self. context)) def test_packet_rpc_netlogon_14(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\trpc_netlogon\t14\tNetrLogonControl2\t") self.assertFalse(p.packet_rpc_netlogon_14(packet, self.conversation, self. context)) def test_packet_rpc_netlogon_15(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\trpc_netlogon\t15\tNetrServerAuthenticate2\t") self.assertFalse(p.packet_rpc_netlogon_15(packet, self.conversation, self. context)) def test_packet_rpc_netlogon_21(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\trpc_netlogon\t21\tNetrLogonDummyRoutine1\t") self.assertFalse(p.packet_rpc_netlogon_21(packet, self.conversation, self. context)) def test_packet_rpc_netlogon_26(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\trpc_netlogon\t26\tNetrServerAuthenticate3\t") self.assertFalse(p.packet_rpc_netlogon_26(packet, self.conversation, self. context)) def test_packet_rpc_netlogon_29(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\trpc_netlogon\t29\tNetrLogonGetDomainInfo\t") self.assertTrue(p.packet_rpc_netlogon_29(packet, self.conversation, self. context)) def test_packet_rpc_netlogon_30(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\trpc_netlogon\t30\tNetrServerPasswordSet2\t") self.assertTrue(p.packet_rpc_netlogon_30(packet, self.conversation, self. context)) def test_packet_rpc_netlogon_34(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\trpc_netlogon\t34\tDsrGetDcNameEx2\t") self.assertFalse(p.packet_rpc_netlogon_34(packet, self.conversation, self. context)) def test_packet_rpc_netlogon_39(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\trpc_netlogon\t39\tNetrLogonSamLogonEx\t") self.assertTrue(p.packet_rpc_netlogon_39(packet, self.conversation, self. context)) def test_packet_rpc_netlogon_40(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\trpc_netlogon\t40\tDsrEnumerateDomainTrusts\t") self.assertTrue(p.packet_rpc_netlogon_40(packet, self.conversation, self. context)) def test_packet_rpc_netlogon_45(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\trpc_netlogon\t45\tNetrLogonSamLogonWithFlags\t") self.assertTrue(p.packet_rpc_netlogon_45(packet, self.conversation, self. context)) def test_packet_samr_00(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tsamr\t0\tConnect\t") self.assertTrue(p.packet_samr_0(packet, self.conversation, self. context)) def test_packet_samr_01(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tsamr\t1\tClose\t") self.assertTrue(p.packet_samr_1(packet, self.conversation, self. context)) def test_packet_samr_03(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tsamr\t3\tQuerySecurity\t") self.assertTrue(p.packet_samr_3(packet, self.conversation, self. context)) def test_packet_samr_05(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tsamr\t5\tLookupDomain\t") self.assertTrue(p.packet_samr_5(packet, self.conversation, self. context)) def test_packet_samr_06(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tsamr\t6\tEnumDomains\t") self.assertTrue(p.packet_samr_6(packet, self.conversation, self. context)) def test_packet_samr_07(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tsamr\t7\tOpenDomain\t") self.assertTrue(p.packet_samr_7(packet, self.conversation, self. context)) def test_packet_samr_08(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tsamr\t8\tQueryDomainInfo'\t") self.assertTrue(p.packet_samr_8(packet, self.conversation, self. context)) def test_packet_samr_14(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tsamr\t14\tCreateDomAlias\t") self.assertFalse(p.packet_samr_14(packet, self.conversation, self. context)) def test_packet_samr_15(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tsamr\t15\tEnumDomainAliases\t") self.assertTrue(p.packet_samr_15(packet, self.conversation, self. context)) def test_packet_samr_16(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tsamr\t16\tGetAliasMembership\t") self.assertTrue(p.packet_samr_16(packet, self.conversation, self. context)) def test_packet_samr_17(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tsamr\t17\tLookupNames\t") self.assertTrue(p.packet_samr_17(packet, self.conversation, self. context)) def test_packet_samr_18(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tsamr\t18\tLookupRids\t") self.assertTrue(p.packet_samr_18(packet, self.conversation, self. context)) def test_packet_samr_19(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tsamr\t19\tOpenGroup\t") self.assertTrue(p.packet_samr_19(packet, self.conversation, self. context)) def test_packet_samr_25(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tsamr\t25\tQueryGroupMember\t") self.assertTrue(p.packet_samr_25(packet, self.conversation, self. context)) def test_packet_samr_34(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tsamr\t34\tOpenUser\t") self.assertTrue(p.packet_samr_34(packet, self.conversation, self. context)) def test_packet_samr_36(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tsamr\t36\tQueryUserInfo\t") self.assertTrue(p.packet_samr_36(packet, self.conversation, self. context)) def test_packet_samr_37(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tsamr\t37\tSetUserInfo\t") self.assertFalse(p.packet_samr_37(packet, self.conversation, self. context)) def test_packet_samr_39(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tsamr\t39\tGetGroupsForUser\t") self.assertTrue(p.packet_samr_39(packet, self.conversation, self. context)) def test_packet_samr_40(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tsamr\t40\tQueryDisplayInfo\t") self.assertFalse(p.packet_samr_40(packet, self.conversation, self. context)) def test_packet_samr_44(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tsamr\t44\tGetUserPwInfo\t") self.assertFalse(p.packet_samr_44(packet, self.conversation, self. context)) def test_packet_samr_57(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tsamr\t57\tConnect2\t") self.assertTrue(p.packet_samr_57(packet, self.conversation, self. context)) def test_packet_samr_64(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tsamr\t64\tConnect5\t") self.assertTrue(p.packet_samr_64(packet, self.conversation, self. context)) def test_packet_samr_68(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tsamr\t68\t\t") self.assertFalse(p.packet_samr_68(packet, self.conversation, self. context)) def test_packet_srvsvc_16(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tsrvsvc\t16\tNetShareGetInfo\t") self.assertTrue(p.packet_srvsvc_16(packet, self.conversation, self. context)) def test_packet_srvsvc_21(self): packet = Packet.from_line( "0.0\t06\t1\t2\t1\tsrvsvc\t21\tNetSrvGetInfo\t") self.assertTrue(p.packet_srvsvc_21(packet, self.conversation, self. context))