2 Unix SMB/Netbios implementation.
4 handle NLTMSSP, client server side parsing
6 Copyright (C) Andrew Tridgell 2001
7 Copyright (C) Andrew Bartlett <abartlet@samba.org> 2001-2005
8 Copyright (C) Stefan Metzmacher 2005
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program. If not, see <http://www.gnu.org/licenses/>.
24 struct auth_session_info;
27 #include "auth/ntlmssp/ntlmssp.h"
28 #include "../lib/crypto/crypto.h"
29 #include "../libcli/auth/libcli_auth.h"
30 #include "auth/credentials/credentials.h"
31 #include "auth/gensec/gensec.h"
32 #include "auth/gensec/gensec_internal.h"
33 #include "param/param.h"
34 #include "auth/ntlmssp/ntlmssp_private.h"
35 #include "../librpc/gen_ndr/ndr_ntlmssp.h"
36 #include "../auth/ntlmssp/ntlmssp_ndr.h"
37 #include "../nsswitch/libwbclient/wbclient.h"
39 /*********************************************************************
41 *********************************************************************/
44 * Next state function for the Initial packet
46 * @param ntlmssp_state NTLMSSP State
47 * @param out_mem_ctx The DATA_BLOB *out will be allocated on this context
48 * @param in A NULL data blob (input ignored)
49 * @param out The initial negotiate request to the server, as an talloc()ed DATA_BLOB, on out_mem_ctx
50 * @return Errors or NT_STATUS_OK.
53 NTSTATUS ntlmssp_client_initial(struct gensec_security *gensec_security,
54 TALLOC_CTX *out_mem_ctx,
55 DATA_BLOB in, DATA_BLOB *out)
57 struct gensec_ntlmssp_context *gensec_ntlmssp =
58 talloc_get_type_abort(gensec_security->private_data,
59 struct gensec_ntlmssp_context);
60 struct ntlmssp_state *ntlmssp_state = gensec_ntlmssp->ntlmssp_state;
61 const char *domain = ntlmssp_state->client.netbios_domain;
62 const char *workstation = ntlmssp_state->client.netbios_name;
65 /* These don't really matter in the initial packet, so don't panic if they are not set */
74 /* generate the ntlmssp negotiate packet */
75 status = msrpc_gen(out_mem_ctx,
79 ntlmssp_state->neg_flags,
83 if (!NT_STATUS_IS_OK(status)) {
84 DEBUG(0, ("ntlmssp_client_initial: failed to generate "
85 "ntlmssp negotiate packet\n"));
89 if (DEBUGLEVEL >= 10) {
90 struct NEGOTIATE_MESSAGE *negotiate = talloc(
91 ntlmssp_state, struct NEGOTIATE_MESSAGE);
92 if (negotiate != NULL) {
93 status = ntlmssp_pull_NEGOTIATE_MESSAGE(
94 out, negotiate, negotiate);
95 if (NT_STATUS_IS_OK(status)) {
96 NDR_PRINT_DEBUG(NEGOTIATE_MESSAGE,
99 TALLOC_FREE(negotiate);
103 ntlmssp_state->expected_state = NTLMSSP_CHALLENGE;
105 return NT_STATUS_MORE_PROCESSING_REQUIRED;
108 NTSTATUS gensec_ntlmssp_resume_ccache(struct gensec_security *gensec_security,
109 TALLOC_CTX *out_mem_ctx,
110 DATA_BLOB in, DATA_BLOB *out)
112 struct gensec_ntlmssp_context *gensec_ntlmssp =
113 talloc_get_type_abort(gensec_security->private_data,
114 struct gensec_ntlmssp_context);
115 struct ntlmssp_state *ntlmssp_state = gensec_ntlmssp->ntlmssp_state;
116 uint32_t neg_flags = 0;
117 uint32_t ntlmssp_command;
121 *out = data_blob_null;
123 if (in.length == 0) {
125 * This is compat code for older callers
126 * which were missing the "initial_blob"
128 ntlmssp_state->expected_state = NTLMSSP_CHALLENGE;
129 return NT_STATUS_MORE_PROCESSING_REQUIRED;
132 /* parse the NTLMSSP packet */
134 if (in.length > UINT16_MAX) {
135 DEBUG(1, ("%s: reject large request of length %u\n",
136 __func__, (unsigned int)in.length));
137 return NT_STATUS_INVALID_PARAMETER;
140 ok = msrpc_parse(ntlmssp_state, &in, "Cdd",
145 DEBUG(1, ("%s: failed to parse NTLMSSP Negotiate of length %u\n",
146 __func__, (unsigned int)in.length));
147 dump_data(2, in.data, in.length);
148 return NT_STATUS_INVALID_PARAMETER;
151 if (ntlmssp_command != NTLMSSP_NEGOTIATE) {
152 DEBUG(1, ("%s: no NTLMSSP Negotiate message (length %u)\n",
153 __func__, (unsigned int)in.length));
154 dump_data(2, in.data, in.length);
155 return NT_STATUS_INVALID_PARAMETER;
158 ntlmssp_state->neg_flags = neg_flags;
159 DEBUG(3, ("Imported Negotiate flags:\n"));
160 debug_ntlmssp_flags(neg_flags);
162 if (ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_UNICODE) {
163 ntlmssp_state->unicode = true;
165 ntlmssp_state->unicode = false;
168 if (ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_SIGN) {
169 gensec_security->want_features |= GENSEC_FEATURE_SIGN;
171 ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_SIGN;
174 if (ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_SEAL) {
175 gensec_security->want_features |= GENSEC_FEATURE_SEAL;
177 ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_SIGN;
178 ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_SEAL;
181 if (DEBUGLEVEL >= 10) {
182 struct NEGOTIATE_MESSAGE *negotiate = talloc(
183 ntlmssp_state, struct NEGOTIATE_MESSAGE);
184 if (negotiate != NULL) {
185 status = ntlmssp_pull_NEGOTIATE_MESSAGE(
186 &in, negotiate, negotiate);
187 if (NT_STATUS_IS_OK(status)) {
188 NDR_PRINT_DEBUG(NEGOTIATE_MESSAGE,
191 TALLOC_FREE(negotiate);
195 ntlmssp_state->expected_state = NTLMSSP_CHALLENGE;
197 return NT_STATUS_MORE_PROCESSING_REQUIRED;
201 * Next state function for the Challenge Packet. Generate an auth packet.
203 * @param gensec_security GENSEC state
204 * @param out_mem_ctx Memory context for *out
205 * @param in The server challnege, as a DATA_BLOB. reply.data must be NULL
206 * @param out The next request (auth packet) to the server, as an allocated DATA_BLOB, on the out_mem_ctx context
207 * @return Errors or NT_STATUS_OK.
210 NTSTATUS ntlmssp_client_challenge(struct gensec_security *gensec_security,
211 TALLOC_CTX *out_mem_ctx,
212 const DATA_BLOB in, DATA_BLOB *out)
214 struct gensec_ntlmssp_context *gensec_ntlmssp =
215 talloc_get_type_abort(gensec_security->private_data,
216 struct gensec_ntlmssp_context);
217 struct ntlmssp_state *ntlmssp_state = gensec_ntlmssp->ntlmssp_state;
218 uint32_t chal_flags, ntlmssp_command, unkn1 = 0, unkn2 = 0;
219 DATA_BLOB server_domain_blob;
220 DATA_BLOB challenge_blob;
221 DATA_BLOB target_info = data_blob(NULL, 0);
223 const char *chal_parse_string;
224 const char *chal_parse_string_short = NULL;
225 const char *auth_gen_string;
226 DATA_BLOB lm_response = data_blob(NULL, 0);
227 DATA_BLOB nt_response = data_blob(NULL, 0);
228 DATA_BLOB session_key = data_blob(NULL, 0);
229 DATA_BLOB lm_session_key = data_blob(NULL, 0);
230 DATA_BLOB encrypted_session_key = data_blob(NULL, 0);
233 const char *user = NULL, *domain = NULL, *workstation = NULL;
234 bool is_anonymous = false;
236 TALLOC_CTX *mem_ctx = talloc_new(out_mem_ctx);
238 return NT_STATUS_NO_MEMORY;
241 if (!msrpc_parse(mem_ctx,
247 DEBUG(1, ("Failed to parse the NTLMSSP Challenge: (#1)\n"));
248 dump_data(2, in.data, in.length);
249 talloc_free(mem_ctx);
251 return NT_STATUS_INVALID_PARAMETER;
254 data_blob_free(&server_domain_blob);
256 DEBUG(3, ("Got challenge flags:\n"));
257 debug_ntlmssp_flags(chal_flags);
259 ntlmssp_handle_neg_flags(ntlmssp_state, chal_flags, ntlmssp_state->allow_lm_key);
261 if (ntlmssp_state->unicode) {
262 if (chal_flags & NTLMSSP_NEGOTIATE_TARGET_INFO) {
263 chal_parse_string = "CdUdbddB";
265 chal_parse_string = "CdUdbdd";
266 chal_parse_string_short = "CdUdb";
268 auth_gen_string = "CdBBUUUBd";
270 if (chal_flags & NTLMSSP_NEGOTIATE_TARGET_INFO) {
271 chal_parse_string = "CdAdbddB";
273 chal_parse_string = "CdAdbdd";
274 chal_parse_string_short = "CdAdb";
277 auth_gen_string = "CdBBAAABd";
280 if (!msrpc_parse(mem_ctx,
281 &in, chal_parse_string,
292 DEBUG(1, ("Failed to parse the NTLMSSP Challenge: (#2)\n"));
294 if (chal_parse_string_short != NULL) {
296 * In the case where NTLMSSP_NEGOTIATE_TARGET_INFO
297 * is not used, some NTLMSSP servers don't return
298 * the unused unkn1 and unkn2 fields.
300 * https://bugzilla.samba.org/show_bug.cgi?id=10016
302 * Try and parse again without them.
304 ok = msrpc_parse(mem_ctx,
305 &in, chal_parse_string_short,
312 DEBUG(1, ("Failed to short parse "
313 "the NTLMSSP Challenge: (#2)\n"));
318 dump_data(2, in.data, in.length);
319 talloc_free(mem_ctx);
320 return NT_STATUS_INVALID_PARAMETER;
324 if (chal_flags & NTLMSSP_TARGET_TYPE_SERVER) {
325 ntlmssp_state->server.is_standalone = true;
327 ntlmssp_state->server.is_standalone = false;
329 /* TODO: parse struct_blob and fill in the rest */
330 ntlmssp_state->server.netbios_name = "";
331 ntlmssp_state->server.netbios_domain = talloc_move(ntlmssp_state, &server_domain);
332 ntlmssp_state->server.dns_name = "";
333 ntlmssp_state->server.dns_domain = "";
335 if (challenge_blob.length != 8) {
336 talloc_free(mem_ctx);
337 return NT_STATUS_INVALID_PARAMETER;
340 is_anonymous = cli_credentials_is_anonymous(gensec_security->credentials);
341 cli_credentials_get_ntlm_username_domain(gensec_security->credentials, mem_ctx,
344 workstation = cli_credentials_get_workstation(gensec_security->credentials);
347 DEBUG(10, ("User is NULL, returning INVALID_PARAMETER\n"));
348 return NT_STATUS_INVALID_PARAMETER;
351 if (domain == NULL) {
352 DEBUG(10, ("Domain is NULL, returning INVALID_PARAMETER\n"));
353 return NT_STATUS_INVALID_PARAMETER;
356 if (workstation == NULL) {
357 DEBUG(10, ("Workstation is NULL, returning INVALID_PARAMETER\n"));
358 return NT_STATUS_INVALID_PARAMETER;
362 ntlmssp_state->neg_flags |= NTLMSSP_ANONYMOUS;
364 * don't use the ccache for anonymous auth
366 ntlmssp_state->use_ccache = false;
368 if (ntlmssp_state->use_ccache) {
369 struct samr_Password *nt_hash = NULL;
372 * If we have a password given we don't
375 nt_hash = cli_credentials_get_nt_hash(gensec_security->credentials,
377 if (nt_hash != NULL) {
378 ZERO_STRUCTP(nt_hash);
379 TALLOC_FREE(nt_hash);
380 ntlmssp_state->use_ccache = false;
384 if (ntlmssp_state->use_ccache) {
385 struct wbcCredentialCacheParams params;
386 struct wbcCredentialCacheInfo *info = NULL;
387 struct wbcAuthErrorInfo *error = NULL;
388 struct wbcNamedBlob auth_blobs[1];
389 const struct wbcBlob *wbc_auth_blob = NULL;
390 const struct wbcBlob *wbc_session_key = NULL;
394 params.account_name = user;
395 params.domain_name = domain;
396 params.level = WBC_CREDENTIAL_CACHE_LEVEL_NTLMSSP;
398 auth_blobs[0].name = "challenge_blob";
399 auth_blobs[0].flags = 0;
400 auth_blobs[0].blob.data = in.data;
401 auth_blobs[0].blob.length = in.length;
402 params.num_blobs = ARRAY_SIZE(auth_blobs);
403 params.blobs = auth_blobs;
405 wbc_status = wbcCredentialCache(¶ms, &info, &error);
406 wbcFreeMemory(error);
407 if (!WBC_ERROR_IS_OK(wbc_status)) {
408 return NT_STATUS_WRONG_CREDENTIAL_HANDLE;
411 for (i=0; i<info->num_blobs; i++) {
412 if (strequal(info->blobs[i].name, "auth_blob")) {
413 wbc_auth_blob = &info->blobs[i].blob;
415 if (strequal(info->blobs[i].name, "session_key")) {
416 wbc_session_key = &info->blobs[i].blob;
419 if ((wbc_auth_blob == NULL) || (wbc_session_key == NULL)) {
421 return NT_STATUS_WRONG_CREDENTIAL_HANDLE;
424 session_key = data_blob_talloc(mem_ctx,
425 wbc_session_key->data,
426 wbc_session_key->length);
427 if (session_key.length != wbc_session_key->length) {
429 return NT_STATUS_NO_MEMORY;
431 *out = data_blob_talloc(mem_ctx,
433 wbc_auth_blob->length);
434 if (out->length != wbc_auth_blob->length) {
436 return NT_STATUS_NO_MEMORY;
443 if (ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_NTLM2) {
444 flags |= CLI_CRED_NTLM2;
446 if (ntlmssp_state->use_ntlmv2) {
447 flags |= CLI_CRED_NTLMv2_AUTH;
449 if (ntlmssp_state->use_nt_response) {
450 flags |= CLI_CRED_NTLM_AUTH;
452 if (lpcfg_client_lanman_auth(gensec_security->settings->lp_ctx)) {
453 flags |= CLI_CRED_LANMAN_AUTH;
456 nt_status = cli_credentials_get_ntlm_response(gensec_security->credentials, mem_ctx,
457 &flags, challenge_blob, target_info,
458 &lm_response, &nt_response,
459 &lm_session_key, &session_key);
461 if (!NT_STATUS_IS_OK(nt_status)) {
465 if (!(flags & CLI_CRED_LANMAN_AUTH)) {
466 /* LM Key is still possible, just silly, so we do not
467 * allow it. Fortunetly all LM crypto is off by
468 * default and we require command line options to end
470 ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_LM_KEY;
473 if (!(flags & CLI_CRED_NTLM2)) {
474 /* NTLM2 is incompatible... */
475 ntlmssp_state->neg_flags &= ~NTLMSSP_NEGOTIATE_NTLM2;
478 if ((ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_LM_KEY)
479 && lpcfg_client_lanman_auth(gensec_security->settings->lp_ctx) && lm_session_key.length == 16) {
480 DATA_BLOB new_session_key = data_blob_talloc(mem_ctx, NULL, 16);
481 if (lm_response.length == 24) {
482 SMBsesskeygen_lm_sess_key(lm_session_key.data, lm_response.data,
483 new_session_key.data);
485 static const uint8_t zeros[24];
486 SMBsesskeygen_lm_sess_key(lm_session_key.data, zeros,
487 new_session_key.data);
489 session_key = new_session_key;
490 dump_data_pw("LM session key\n", session_key.data, session_key.length);
494 /* Key exchange encryptes a new client-generated session key with
495 the password-derived key */
496 if (ntlmssp_state->neg_flags & NTLMSSP_NEGOTIATE_KEY_EXCH) {
497 /* Make up a new session key */
498 uint8_t client_session_key[16];
499 generate_secret_buffer(client_session_key, sizeof(client_session_key));
501 /* Encrypt the new session key with the old one */
502 encrypted_session_key = data_blob_talloc(ntlmssp_state,
503 client_session_key, sizeof(client_session_key));
504 dump_data_pw("KEY_EXCH session key:\n", encrypted_session_key.data, encrypted_session_key.length);
505 arcfour_crypt(encrypted_session_key.data, session_key.data, encrypted_session_key.length);
506 dump_data_pw("KEY_EXCH session key (enc):\n", encrypted_session_key.data, encrypted_session_key.length);
508 /* Mark the new session key as the 'real' session key */
509 session_key = data_blob_talloc(mem_ctx, client_session_key, sizeof(client_session_key));
512 /* this generates the actual auth packet */
513 nt_status = msrpc_gen(mem_ctx,
514 out, auth_gen_string,
517 lm_response.data, lm_response.length,
518 nt_response.data, nt_response.length,
522 encrypted_session_key.data, encrypted_session_key.length,
523 ntlmssp_state->neg_flags);
524 if (!NT_STATUS_IS_OK(nt_status)) {
525 talloc_free(mem_ctx);
530 ntlmssp_state->session_key = session_key;
531 talloc_steal(ntlmssp_state, session_key.data);
533 DEBUG(3, ("NTLMSSP: Set final flags:\n"));
534 debug_ntlmssp_flags(ntlmssp_state->neg_flags);
536 talloc_steal(out_mem_ctx, out->data);
538 ntlmssp_state->expected_state = NTLMSSP_DONE;
540 if (gensec_security->want_features & (GENSEC_FEATURE_SIGN|GENSEC_FEATURE_SEAL)) {
541 nt_status = ntlmssp_sign_init(ntlmssp_state);
542 if (!NT_STATUS_IS_OK(nt_status)) {
543 DEBUG(1, ("Could not setup NTLMSSP signing/sealing system (error was: %s)\n",
544 nt_errstr(nt_status)));
545 talloc_free(mem_ctx);
550 talloc_free(mem_ctx);
554 NTSTATUS gensec_ntlmssp_client_start(struct gensec_security *gensec_security)
556 struct gensec_ntlmssp_context *gensec_ntlmssp;
557 struct ntlmssp_state *ntlmssp_state;
560 nt_status = gensec_ntlmssp_start(gensec_security);
561 NT_STATUS_NOT_OK_RETURN(nt_status);
564 talloc_get_type_abort(gensec_security->private_data,
565 struct gensec_ntlmssp_context);
567 ntlmssp_state = talloc_zero(gensec_ntlmssp,
568 struct ntlmssp_state);
569 if (!ntlmssp_state) {
570 return NT_STATUS_NO_MEMORY;
573 gensec_ntlmssp->ntlmssp_state = ntlmssp_state;
575 ntlmssp_state = gensec_ntlmssp->ntlmssp_state;
577 ntlmssp_state->role = NTLMSSP_CLIENT;
579 ntlmssp_state->client.netbios_domain = lpcfg_workgroup(gensec_security->settings->lp_ctx);
580 ntlmssp_state->client.netbios_name = cli_credentials_get_workstation(gensec_security->credentials);
582 ntlmssp_state->unicode = gensec_setting_bool(gensec_security->settings, "ntlmssp_client", "unicode", true);
584 ntlmssp_state->use_nt_response = gensec_setting_bool(gensec_security->settings, "ntlmssp_client", "send_nt_reponse", true);
586 ntlmssp_state->allow_lm_key = (lpcfg_client_lanman_auth(gensec_security->settings->lp_ctx)
587 && (gensec_setting_bool(gensec_security->settings, "ntlmssp_client", "allow_lm_key", false)
588 || gensec_setting_bool(gensec_security->settings, "ntlmssp_client", "lm_key", false)));
590 ntlmssp_state->use_ntlmv2 = lpcfg_client_ntlmv2_auth(gensec_security->settings->lp_ctx);
592 ntlmssp_state->expected_state = NTLMSSP_INITIAL;
594 ntlmssp_state->neg_flags =
595 NTLMSSP_NEGOTIATE_NTLM |
596 NTLMSSP_REQUEST_TARGET;
598 if (ntlmssp_state->unicode) {
599 ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_UNICODE;
601 ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_OEM;
604 if (gensec_setting_bool(gensec_security->settings, "ntlmssp_client", "128bit", true)) {
605 ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_128;
608 if (gensec_setting_bool(gensec_security->settings, "ntlmssp_client", "56bit", false)) {
609 ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_56;
612 if (gensec_setting_bool(gensec_security->settings, "ntlmssp_client", "lm_key", false)) {
613 ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_LM_KEY;
616 if (gensec_setting_bool(gensec_security->settings, "ntlmssp_client", "keyexchange", true)) {
617 ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_KEY_EXCH;
620 if (gensec_setting_bool(gensec_security->settings, "ntlmssp_client", "alwayssign", true)) {
621 ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_ALWAYS_SIGN;
624 if (gensec_setting_bool(gensec_security->settings, "ntlmssp_client", "ntlm2", true)) {
625 ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_NTLM2;
627 /* apparently we can't do ntlmv2 if we don't do ntlm2 */
628 ntlmssp_state->use_ntlmv2 = false;
631 if (ntlmssp_state->use_ntlmv2) {
632 ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_NTLM2;
635 if (gensec_security->want_features & GENSEC_FEATURE_SESSION_KEY) {
637 * We need to set this to allow a later SetPassword
638 * via the SAMR pipe to succeed. Strange.... We could
639 * also add NTLMSSP_NEGOTIATE_SEAL here. JRA.
641 * Without this, Windows will not create the master key
642 * that it thinks is only used for NTLMSSP signing and
643 * sealing. (It is actually pulled out and used directly)
645 ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_SIGN;
647 if (gensec_security->want_features & GENSEC_FEATURE_SIGN) {
648 ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_SIGN;
650 if (gensec_security->want_features & GENSEC_FEATURE_SEAL) {
651 ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_SIGN;
652 ntlmssp_state->neg_flags |= NTLMSSP_NEGOTIATE_SEAL;
654 if (gensec_security->want_features & GENSEC_FEATURE_NTLM_CCACHE) {
655 ntlmssp_state->use_ccache = true;
661 NTSTATUS gensec_ntlmssp_resume_ccache_start(struct gensec_security *gensec_security)
663 struct gensec_ntlmssp_context *gensec_ntlmssp = NULL;
666 status = gensec_ntlmssp_client_start(gensec_security);
667 if (!NT_STATUS_IS_OK(status)) {
671 gensec_ntlmssp = talloc_get_type_abort(gensec_security->private_data,
672 struct gensec_ntlmssp_context);
673 gensec_ntlmssp->ntlmssp_state->use_ccache = false;
674 gensec_ntlmssp->ntlmssp_state->resume_ccache = true;
675 gensec_ntlmssp->ntlmssp_state->expected_state = NTLMSSP_NEGOTIATE;