2 Unix SMB/CIFS implementation.
4 test suite for netlogon PAC operations
6 Copyright (C) Andrew Bartlett <abartlet@samba.org> 2008
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
23 #include "torture/torture.h"
24 #include "lib/events/events.h"
25 #include "auth/auth.h"
26 #include "auth/gensec/gensec.h"
27 #include "lib/cmdline/popt_common.h"
28 #include "torture/rpc/rpc.h"
29 #include "torture/rpc/netlogon.h"
30 #include "libcli/auth/libcli_auth.h"
31 #include "librpc/gen_ndr/ndr_netlogon_c.h"
32 #include "librpc/gen_ndr/ndr_krb5pac.h"
33 #include "param/param.h"
34 #include "lib/messaging/irpc.h"
35 #include "cluster/cluster.h"
37 #define TEST_MACHINE_NAME "torturepactest"
39 /* Check to see if we can pass the PAC across to the NETLOGON server for validation */
41 /* Also happens to be a really good one-step verfication of our Kerberos stack */
43 static bool test_PACVerify(struct torture_context *tctx,
44 struct dcerpc_pipe *p,
45 struct cli_credentials *credentials)
49 struct netr_LogonSamLogon r;
51 struct netr_GenericInfo generic;
52 struct netr_Authenticator auth, auth2;
55 struct creds_CredentialState *creds;
56 struct gensec_security *gensec_client_context;
57 struct gensec_security *gensec_server_context;
59 struct messaging_context *msg_server_ctx;
60 DATA_BLOB client_to_server, server_to_client, pac_wrapped, payload;
61 struct PAC_Validate pac_wrapped_struct;
63 enum ndr_err_code ndr_err;
65 struct auth_session_info *session_info;
69 TALLOC_CTX *tmp_ctx = talloc_new(tctx);
71 torture_assert(tctx, tmp_ctx != NULL, "talloc_new() failed");
73 if (!test_SetupCredentials2(p, tctx, NETLOGON_NEG_AUTH2_ADS_FLAGS,
74 credentials, SEC_CHAN_BDC,
79 status = torture_temp_dir(tctx, "PACVerify", &tmp_dir);
80 torture_assert_ntstatus_ok(tctx, status, "torture_temp_dir failed");
82 msg_server_ctx = messaging_init(tctx,
85 lp_iconv_convenience(tctx->lp_ctx),
88 torture_assert(tctx, msg_server_ctx != NULL, "Failed to init messaging context");
90 status = gensec_client_start(tctx, &gensec_client_context, tctx->ev, tctx->lp_ctx);
91 torture_assert_ntstatus_ok(tctx, status, "gensec_client_start (client) failed");
93 status = gensec_set_target_hostname(gensec_client_context, TEST_MACHINE_NAME);
95 status = gensec_set_credentials(gensec_client_context, cmdline_credentials);
96 torture_assert_ntstatus_ok(tctx, status, "gensec_set_credentials (client) failed");
98 status = gensec_start_mech_by_sasl_name(gensec_client_context, "GSSAPI");
99 torture_assert_ntstatus_ok(tctx, status, "gensec_start_mech_by_sasl_name (client) failed");
101 status = gensec_server_start(tctx, tctx->ev, tctx->lp_ctx, msg_server_ctx, &gensec_server_context);
102 torture_assert_ntstatus_ok(tctx, status, "gensec_server_start (server) failed");
104 status = gensec_set_credentials(gensec_server_context, credentials);
105 torture_assert_ntstatus_ok(tctx, status, "gensec_set_credentials (server) failed");
107 status = gensec_start_mech_by_sasl_name(gensec_server_context, "GSSAPI");
108 torture_assert_ntstatus_ok(tctx, status, "gensec_start_mech_by_sasl_name (server) failed");
110 server_to_client = data_blob(NULL, 0);
113 /* Do a client-server update dance */
114 status = gensec_update(gensec_client_context, tmp_ctx, server_to_client, &client_to_server);
115 if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {;
116 torture_assert_ntstatus_ok(tctx, status, "gensec_update (client) failed");
119 if (client_to_server.length == 0) {
123 status = gensec_update(gensec_server_context, tmp_ctx, client_to_server, &server_to_client);
124 if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {;
125 torture_assert_ntstatus_ok(tctx, status, "gensec_update (server) failed");
128 if (server_to_client.length == 0) {
133 /* Extract the PAC using Samba's code */
135 status = gensec_session_info(gensec_server_context, &session_info);
136 torture_assert_ntstatus_ok(tctx, status, "gensec_session_info failed");
138 pac_wrapped_struct.ChecksumLength = session_info->server_info->pac_srv_sig.signature.length;
139 pac_wrapped_struct.SignatureType = session_info->server_info->pac_kdc_sig.type;
140 pac_wrapped_struct.SignatureLength = session_info->server_info->pac_kdc_sig.signature.length;
141 pac_wrapped_struct.ChecksumAndSignature = payload
142 = data_blob_talloc(tmp_ctx, NULL,
143 pac_wrapped_struct.ChecksumLength
144 + pac_wrapped_struct.SignatureLength);
145 memcpy(&payload.data[0],
146 session_info->server_info->pac_srv_sig.signature.data,
147 pac_wrapped_struct.ChecksumLength);
148 memcpy(&payload.data[pac_wrapped_struct.ChecksumLength],
149 session_info->server_info->pac_kdc_sig.signature.data,
150 pac_wrapped_struct.SignatureLength);
152 ndr_err = ndr_push_struct_blob(&pac_wrapped, tmp_ctx, lp_iconv_convenience(tctx->lp_ctx), &pac_wrapped_struct,
153 (ndr_push_flags_fn_t)ndr_push_PAC_Validate);
154 torture_assert(tctx, NDR_ERR_CODE_IS_SUCCESS(ndr_err), "ndr_push_struct_blob of PACValidate structure failed");
156 torture_assert(tctx, (creds->negotiate_flags & NETLOGON_NEG_ARCFOUR), "not willing to even try a PACValidate without RC4 encryption");
157 creds_arcfour_crypt(creds, pac_wrapped.data, pac_wrapped.length);
159 generic.length = pac_wrapped.length;
160 generic.data = pac_wrapped.data;
162 /* Validate it over the netlogon pipe */
164 generic.identity_info.parameter_control = 0;
165 generic.identity_info.logon_id_high = 0;
166 generic.identity_info.logon_id_low = 0;
167 generic.identity_info.domain_name.string = session_info->server_info->domain_name;
168 generic.identity_info.account_name.string = session_info->server_info->account_name;
169 generic.identity_info.workstation.string = TEST_MACHINE_NAME;
171 generic.package_name.string = "Kerberos";
174 creds_client_authenticator(creds, &auth);
175 r.in.credential = &auth;
176 r.in.return_authenticator = &auth2;
177 r.in.logon_level = NetlogonGenericInformation;
178 r.in.logon.generic = &generic;
179 r.in.server_name = talloc_asprintf(tctx, "\\\\%s", dcerpc_server_name(p));
180 r.in.computer_name = cli_credentials_get_workstation(credentials);
181 r.in.validation_level = NetlogonValidationGenericInfo2;
183 status = dcerpc_netr_LogonSamLogon(p, tctx, &r);
185 torture_assert_ntstatus_ok(tctx, status, "LogonSamLogon failed");
187 /* This will break the signature nicely (even in the crypto wrapping), check we get a logon failure */
188 generic.data[generic.length-1]++;
191 creds_client_authenticator(creds, &auth);
192 r.in.credential = &auth;
193 r.in.return_authenticator = &auth2;
194 r.in.logon_level = NetlogonGenericInformation;
195 r.in.logon.generic = &generic;
196 r.in.server_name = talloc_asprintf(tctx, "\\\\%s", dcerpc_server_name(p));
197 r.in.computer_name = cli_credentials_get_workstation(credentials);
198 r.in.validation_level = NetlogonValidationGenericInfo2;
200 status = dcerpc_netr_LogonSamLogon(p, tctx, &r);
202 torture_assert_ntstatus_equal(tctx, status, NT_STATUS_LOGON_FAILURE, "LogonSamLogon failed");
204 torture_assert(tctx, creds_client_check(creds, &r.out.return_authenticator->cred),
205 "Credential chaining failed");
207 /* This will break the parsing nicely (even in the crypto wrapping), check we get INVALID_PARAMETER */
211 creds_client_authenticator(creds, &auth);
212 r.in.credential = &auth;
213 r.in.return_authenticator = &auth2;
214 r.in.logon_level = NetlogonGenericInformation;
215 r.in.logon.generic = &generic;
216 r.in.server_name = talloc_asprintf(tctx, "\\\\%s", dcerpc_server_name(p));
217 r.in.computer_name = cli_credentials_get_workstation(credentials);
218 r.in.validation_level = NetlogonValidationGenericInfo2;
220 status = dcerpc_netr_LogonSamLogon(p, tctx, &r);
222 torture_assert_ntstatus_equal(tctx, status, NT_STATUS_INVALID_PARAMETER, "LogonSamLogon failed");
224 torture_assert(tctx, creds_client_check(creds, &r.out.return_authenticator->cred),
225 "Credential chaining failed");
227 pac_wrapped_struct.ChecksumLength = session_info->server_info->pac_srv_sig.signature.length;
228 pac_wrapped_struct.SignatureType = session_info->server_info->pac_kdc_sig.type;
230 /* Break the SignatureType */
231 pac_wrapped_struct.SignatureType++;
233 pac_wrapped_struct.SignatureLength = session_info->server_info->pac_kdc_sig.signature.length;
234 pac_wrapped_struct.ChecksumAndSignature = payload
235 = data_blob_talloc(tmp_ctx, NULL,
236 pac_wrapped_struct.ChecksumLength
237 + pac_wrapped_struct.SignatureLength);
238 memcpy(&payload.data[0],
239 session_info->server_info->pac_srv_sig.signature.data,
240 pac_wrapped_struct.ChecksumLength);
241 memcpy(&payload.data[pac_wrapped_struct.ChecksumLength],
242 session_info->server_info->pac_kdc_sig.signature.data,
243 pac_wrapped_struct.SignatureLength);
245 ndr_err = ndr_push_struct_blob(&pac_wrapped, tmp_ctx, lp_iconv_convenience(tctx->lp_ctx), &pac_wrapped_struct,
246 (ndr_push_flags_fn_t)ndr_push_PAC_Validate);
247 torture_assert(tctx, NDR_ERR_CODE_IS_SUCCESS(ndr_err), "ndr_push_struct_blob of PACValidate structure failed");
249 torture_assert(tctx, (creds->negotiate_flags & NETLOGON_NEG_ARCFOUR), "not willing to even try a PACValidate without RC4 encryption");
250 creds_arcfour_crypt(creds, pac_wrapped.data, pac_wrapped.length);
252 generic.length = pac_wrapped.length;
253 generic.data = pac_wrapped.data;
256 creds_client_authenticator(creds, &auth);
257 r.in.credential = &auth;
258 r.in.return_authenticator = &auth2;
259 r.in.logon_level = NetlogonGenericInformation;
260 r.in.logon.generic = &generic;
261 r.in.server_name = talloc_asprintf(tctx, "\\\\%s", dcerpc_server_name(p));
262 r.in.computer_name = cli_credentials_get_workstation(credentials);
263 r.in.validation_level = NetlogonValidationGenericInfo2;
265 status = dcerpc_netr_LogonSamLogon(p, tctx, &r);
267 torture_assert_ntstatus_equal(tctx, status, NT_STATUS_LOGON_FAILURE, "LogonSamLogon failed");
269 torture_assert(tctx, creds_client_check(creds, &r.out.return_authenticator->cred),
270 "Credential chaining failed");
272 pac_wrapped_struct.ChecksumLength = session_info->server_info->pac_srv_sig.signature.length;
273 pac_wrapped_struct.SignatureType = session_info->server_info->pac_kdc_sig.type;
274 pac_wrapped_struct.SignatureLength = session_info->server_info->pac_kdc_sig.signature.length;
276 pac_wrapped_struct.ChecksumAndSignature = payload
277 = data_blob_talloc(tmp_ctx, NULL,
278 pac_wrapped_struct.ChecksumLength
279 + pac_wrapped_struct.SignatureLength);
280 memcpy(&payload.data[0],
281 session_info->server_info->pac_srv_sig.signature.data,
282 pac_wrapped_struct.ChecksumLength);
283 memcpy(&payload.data[pac_wrapped_struct.ChecksumLength],
284 session_info->server_info->pac_kdc_sig.signature.data,
285 pac_wrapped_struct.SignatureLength);
287 /* Break the signature length */
288 pac_wrapped_struct.SignatureLength++;
290 ndr_err = ndr_push_struct_blob(&pac_wrapped, tmp_ctx, lp_iconv_convenience(tctx->lp_ctx), &pac_wrapped_struct,
291 (ndr_push_flags_fn_t)ndr_push_PAC_Validate);
292 torture_assert(tctx, NDR_ERR_CODE_IS_SUCCESS(ndr_err), "ndr_push_struct_blob of PACValidate structure failed");
294 torture_assert(tctx, (creds->negotiate_flags & NETLOGON_NEG_ARCFOUR), "not willing to even try a PACValidate without RC4 encryption");
295 creds_arcfour_crypt(creds, pac_wrapped.data, pac_wrapped.length);
297 generic.length = pac_wrapped.length;
298 generic.data = pac_wrapped.data;
301 creds_client_authenticator(creds, &auth);
302 r.in.credential = &auth;
303 r.in.return_authenticator = &auth2;
304 r.in.logon_level = NetlogonGenericInformation;
305 r.in.logon.generic = &generic;
306 r.in.server_name = talloc_asprintf(tctx, "\\\\%s", dcerpc_server_name(p));
307 r.in.computer_name = cli_credentials_get_workstation(credentials);
308 r.in.validation_level = NetlogonValidationGenericInfo2;
310 status = dcerpc_netr_LogonSamLogon(p, tctx, &r);
312 torture_assert_ntstatus_equal(tctx, status, NT_STATUS_INVALID_PARAMETER, "LogonSamLogon failed");
314 torture_assert(tctx, creds_client_check(creds, &r.out.return_authenticator->cred),
315 "Credential chaining failed");
319 struct torture_suite *torture_rpc_remote_pac(TALLOC_CTX *mem_ctx)
321 struct torture_suite *suite = torture_suite_create(mem_ctx, "PAC");
322 struct torture_rpc_tcase *tcase;
324 tcase = torture_suite_add_machine_rpc_iface_tcase(suite, "netlogon",
325 &ndr_table_netlogon, TEST_MACHINE_NAME);
326 torture_rpc_tcase_add_test_creds(tcase, "verify", test_PACVerify);