2 Unix SMB/CIFS implementation.
5 Copyright (C) Stefan Metzmacher 2009
6 Copyright (C) Jeremy Allison 2010
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 "smbd/smbd.h"
24 #include "smbd/globals.h"
25 #include "../libcli/smb/smb_common.h"
26 #include "../libcli/auth/spnego.h"
27 #include "../libcli/auth/ntlmssp.h"
28 #include "../auth/gensec/gensec.h"
29 #include "ntlmssp_wrap.h"
30 #include "../librpc/gen_ndr/krb5pac.h"
31 #include "libads/kerberos_proto.h"
32 #include "../lib/util/asn1.h"
34 #include "../lib/tsocket/tsocket.h"
35 #include "../libcli/security/security.h"
37 static NTSTATUS
smbd_smb2_session_setup(struct smbd_smb2_request
*smb2req
,
38 uint64_t in_session_id
,
39 uint8_t in_security_mode
,
40 DATA_BLOB in_security_buffer
,
41 uint16_t *out_session_flags
,
42 DATA_BLOB
*out_security_buffer
,
43 uint64_t *out_session_id
);
45 NTSTATUS
smbd_smb2_request_process_sesssetup(struct smbd_smb2_request
*smb2req
)
48 const uint8_t *inbody
;
49 int i
= smb2req
->current_idx
;
53 uint64_t in_session_id
;
54 uint8_t in_security_mode
;
55 uint16_t in_security_offset
;
56 uint16_t in_security_length
;
57 DATA_BLOB in_security_buffer
;
58 uint16_t out_session_flags
;
59 uint64_t out_session_id
;
60 uint16_t out_security_offset
;
61 DATA_BLOB out_security_buffer
= data_blob_null
;
64 status
= smbd_smb2_request_verify_sizes(smb2req
, 0x19);
65 if (!NT_STATUS_IS_OK(status
)) {
66 return smbd_smb2_request_error(smb2req
, status
);
68 inhdr
= (const uint8_t *)smb2req
->in
.vector
[i
+0].iov_base
;
69 inbody
= (const uint8_t *)smb2req
->in
.vector
[i
+1].iov_base
;
71 in_security_offset
= SVAL(inbody
, 0x0C);
72 in_security_length
= SVAL(inbody
, 0x0E);
74 if (in_security_offset
!= (SMB2_HDR_BODY
+ smb2req
->in
.vector
[i
+1].iov_len
)) {
75 return smbd_smb2_request_error(smb2req
, NT_STATUS_INVALID_PARAMETER
);
78 if (in_security_length
> smb2req
->in
.vector
[i
+2].iov_len
) {
79 return smbd_smb2_request_error(smb2req
, NT_STATUS_INVALID_PARAMETER
);
82 in_session_id
= BVAL(inhdr
, SMB2_HDR_SESSION_ID
);
83 in_security_mode
= CVAL(inbody
, 0x03);
84 in_security_buffer
.data
= (uint8_t *)smb2req
->in
.vector
[i
+2].iov_base
;
85 in_security_buffer
.length
= in_security_length
;
87 status
= smbd_smb2_session_setup(smb2req
,
94 if (!NT_STATUS_IS_OK(status
) &&
95 !NT_STATUS_EQUAL(status
, NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
96 status
= nt_status_squash(status
);
97 return smbd_smb2_request_error(smb2req
, status
);
100 out_security_offset
= SMB2_HDR_BODY
+ 0x08;
102 outhdr
= (uint8_t *)smb2req
->out
.vector
[i
].iov_base
;
104 outbody
= data_blob_talloc(smb2req
->out
.vector
, NULL
, 0x08);
105 if (outbody
.data
== NULL
) {
106 return smbd_smb2_request_error(smb2req
, NT_STATUS_NO_MEMORY
);
109 SBVAL(outhdr
, SMB2_HDR_SESSION_ID
, out_session_id
);
111 SSVAL(outbody
.data
, 0x00, 0x08 + 1); /* struct size */
112 SSVAL(outbody
.data
, 0x02,
113 out_session_flags
); /* session flags */
114 SSVAL(outbody
.data
, 0x04,
115 out_security_offset
); /* security buffer offset */
116 SSVAL(outbody
.data
, 0x06,
117 out_security_buffer
.length
); /* security buffer length */
119 outdyn
= out_security_buffer
;
121 return smbd_smb2_request_done_ex(smb2req
, status
, outbody
, &outdyn
,
125 static int smbd_smb2_session_destructor(struct smbd_smb2_session
*session
)
127 if (session
->sconn
== NULL
) {
131 /* first free all tcons */
132 while (session
->tcons
.list
) {
133 talloc_free(session
->tcons
.list
);
136 idr_remove(session
->sconn
->smb2
.sessions
.idtree
, session
->vuid
);
137 DLIST_REMOVE(session
->sconn
->smb2
.sessions
.list
, session
);
138 invalidate_vuid(session
->sconn
, session
->vuid
);
141 session
->status
= NT_STATUS_USER_SESSION_DELETED
;
142 session
->sconn
= NULL
;
148 static NTSTATUS
smbd_smb2_session_setup_krb5(struct smbd_smb2_session
*session
,
149 struct smbd_smb2_request
*smb2req
,
150 uint8_t in_security_mode
,
151 const DATA_BLOB
*secblob
,
153 uint16_t *out_session_flags
,
154 DATA_BLOB
*out_security_buffer
,
155 uint64_t *out_session_id
)
157 DATA_BLOB ap_rep
= data_blob_null
;
158 DATA_BLOB ap_rep_wrapped
= data_blob_null
;
159 DATA_BLOB ticket
= data_blob_null
;
160 DATA_BLOB session_key
= data_blob_null
;
161 DATA_BLOB secblob_out
= data_blob_null
;
163 struct PAC_LOGON_INFO
*logon_info
= NULL
;
164 char *principal
= NULL
;
167 struct passwd
*pw
= NULL
;
170 bool username_was_mapped
= false;
171 bool map_domainuser_to_guest
= false;
174 if (!spnego_parse_krb5_wrap(talloc_tos(), *secblob
, &ticket
, tok_id
)) {
175 status
= NT_STATUS_LOGON_FAILURE
;
179 status
= ads_verify_ticket(smb2req
, lp_realm(), 0, &ticket
,
180 &principal
, &logon_info
, &ap_rep
,
183 if (!NT_STATUS_IS_OK(status
)) {
184 DEBUG(1,("smb2: Failed to verify incoming ticket with error %s!\n",
186 if (!NT_STATUS_EQUAL(status
, NT_STATUS_TIME_DIFFERENCE_AT_DC
)) {
187 status
= NT_STATUS_LOGON_FAILURE
;
192 status
= get_user_from_kerberos_info(talloc_tos(),
193 session
->sconn
->remote_hostname
,
194 principal
, logon_info
,
195 &username_was_mapped
,
196 &map_domainuser_to_guest
,
198 &real_username
, &pw
);
199 if (!NT_STATUS_IS_OK(status
)) {
203 /* save the PAC data if we have it */
205 netsamlogon_cache_store(user
, &logon_info
->info3
);
208 /* setup the string used by %U */
209 sub_set_smb_name(real_username
);
211 /* reload services so that the new %U is taken into account */
212 reload_services(smb2req
->sconn
->msg_ctx
, smb2req
->sconn
->sock
, true);
214 status
= make_session_info_krb5(session
,
215 user
, domain
, real_username
, pw
,
216 logon_info
, map_domainuser_to_guest
,
219 &session
->session_info
);
220 if (!NT_STATUS_IS_OK(status
)) {
221 DEBUG(1, ("smb2: make_server_info_krb5 failed\n"));
225 if ((in_security_mode
& SMB2_NEGOTIATE_SIGNING_REQUIRED
) ||
226 lp_server_signing() == Required
) {
227 session
->do_signing
= true;
230 if (security_session_user_level(session
->session_info
, NULL
) < SECURITY_USER
) {
231 /* we map anonymous to guest internally */
232 *out_session_flags
|= SMB2_SESSION_FLAG_IS_GUEST
;
233 *out_session_flags
|= SMB2_SESSION_FLAG_IS_NULL
;
234 /* force no signing */
235 session
->do_signing
= false;
239 session
->session_key
= session
->session_info
->session_key
;
241 session
->compat_vuser
= talloc_zero(session
, user_struct
);
242 if (session
->compat_vuser
== NULL
) {
243 status
= NT_STATUS_NO_MEMORY
;
246 session
->compat_vuser
->auth_ntlmssp_state
= NULL
;
247 session
->compat_vuser
->homes_snum
= -1;
248 session
->compat_vuser
->session_info
= session
->session_info
;
249 session
->compat_vuser
->session_keystr
= NULL
;
250 session
->compat_vuser
->vuid
= session
->vuid
;
251 DLIST_ADD(session
->sconn
->smb1
.sessions
.validated_users
, session
->compat_vuser
);
253 if (security_session_user_level(session
->session_info
, NULL
) >= SECURITY_USER
) {
254 session
->compat_vuser
->homes_snum
=
255 register_homes_share(session
->session_info
->unix_info
->unix_name
);
258 if (!session_claim(session
->sconn
, session
->compat_vuser
)) {
259 DEBUG(1, ("smb2: Failed to claim session "
261 session
->compat_vuser
->vuid
));
265 session
->status
= NT_STATUS_OK
;
268 * we attach the session to the request
269 * so that the response can be signed
271 smb2req
->session
= session
;
273 smb2req
->do_signing
= true;
276 global_client_caps
|= (CAP_LEVEL_II_OPLOCKS
|CAP_STATUS32
);
277 status
= NT_STATUS_OK
;
279 /* wrap that up in a nice GSS-API wrapping */
280 ap_rep_wrapped
= spnego_gen_krb5_wrap(talloc_tos(), ap_rep
,
283 secblob_out
= spnego_gen_auth_response(
289 *out_security_buffer
= data_blob_talloc(smb2req
,
292 if (secblob_out
.data
&& out_security_buffer
->data
== NULL
) {
293 status
= NT_STATUS_NO_MEMORY
;
297 data_blob_free(&ap_rep
);
298 data_blob_free(&ap_rep_wrapped
);
299 data_blob_free(&ticket
);
300 data_blob_free(&session_key
);
301 data_blob_free(&secblob_out
);
303 *out_session_id
= session
->vuid
;
309 data_blob_free(&ap_rep
);
310 data_blob_free(&ap_rep_wrapped
);
311 data_blob_free(&ticket
);
312 data_blob_free(&session_key
);
313 data_blob_free(&secblob_out
);
315 ap_rep_wrapped
= data_blob_null
;
316 secblob_out
= spnego_gen_auth_response(
322 *out_security_buffer
= data_blob_talloc(smb2req
,
325 data_blob_free(&secblob_out
);
330 static NTSTATUS
smbd_smb2_spnego_negotiate(struct smbd_smb2_session
*session
,
331 struct smbd_smb2_request
*smb2req
,
332 uint8_t in_security_mode
,
333 DATA_BLOB in_security_buffer
,
334 uint16_t *out_session_flags
,
335 DATA_BLOB
*out_security_buffer
,
336 uint64_t *out_session_id
)
338 DATA_BLOB secblob_in
= data_blob_null
;
339 DATA_BLOB chal_out
= data_blob_null
;
340 char *kerb_mech
= NULL
;
343 /* Ensure we have no old NTLM state around. */
344 TALLOC_FREE(session
->auth_ntlmssp_state
);
346 status
= parse_spnego_mechanisms(talloc_tos(), in_security_buffer
,
347 &secblob_in
, &kerb_mech
);
348 if (!NT_STATUS_IS_OK(status
)) {
353 if (kerb_mech
&& ((lp_security()==SEC_ADS
) ||
354 USE_KERBEROS_KEYTAB
) ) {
355 status
= smbd_smb2_session_setup_krb5(session
,
369 /* The mechtoken is a krb5 ticket, but
370 * we need to fall back to NTLM. */
372 DEBUG(3,("smb2: Got krb5 ticket in SPNEGO "
373 "but set to downgrade to NTLMSSP\n"));
375 status
= NT_STATUS_MORE_PROCESSING_REQUIRED
;
377 /* Fall back to NTLMSSP. */
378 status
= auth_ntlmssp_prepare(session
->sconn
->remote_address
,
379 &session
->auth_ntlmssp_state
);
380 if (!NT_STATUS_IS_OK(status
)) {
384 auth_ntlmssp_want_feature(session
->auth_ntlmssp_state
, NTLMSSP_FEATURE_SESSION_KEY
);
386 status
= auth_ntlmssp_start(session
->auth_ntlmssp_state
);
387 if (!NT_STATUS_IS_OK(status
)) {
391 status
= auth_ntlmssp_update(session
->auth_ntlmssp_state
,
397 if (!NT_STATUS_IS_OK(status
) &&
398 !NT_STATUS_EQUAL(status
,
399 NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
403 *out_security_buffer
= spnego_gen_auth_response(smb2req
,
407 if (out_security_buffer
->data
== NULL
) {
408 status
= NT_STATUS_NO_MEMORY
;
411 *out_session_id
= session
->vuid
;
415 data_blob_free(&secblob_in
);
416 data_blob_free(&chal_out
);
417 TALLOC_FREE(kerb_mech
);
418 if (!NT_STATUS_IS_OK(status
) &&
419 !NT_STATUS_EQUAL(status
,
420 NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
421 TALLOC_FREE(session
->auth_ntlmssp_state
);
422 TALLOC_FREE(session
);
427 static NTSTATUS
smbd_smb2_common_ntlmssp_auth_return(struct smbd_smb2_session
*session
,
428 struct smbd_smb2_request
*smb2req
,
429 uint8_t in_security_mode
,
430 DATA_BLOB in_security_buffer
,
431 uint16_t *out_session_flags
,
432 uint64_t *out_session_id
)
436 if ((in_security_mode
& SMB2_NEGOTIATE_SIGNING_REQUIRED
) ||
437 lp_server_signing() == Required
) {
438 session
->do_signing
= true;
441 if (security_session_user_level(session
->session_info
, NULL
) < SECURITY_USER
) {
442 /* we map anonymous to guest internally */
443 *out_session_flags
|= SMB2_SESSION_FLAG_IS_GUEST
;
444 *out_session_flags
|= SMB2_SESSION_FLAG_IS_NULL
;
445 /* force no signing */
446 session
->do_signing
= false;
450 session
->session_key
= session
->session_info
->session_key
;
452 session
->compat_vuser
= talloc_zero(session
, user_struct
);
453 if (session
->compat_vuser
== NULL
) {
454 TALLOC_FREE(session
->auth_ntlmssp_state
);
455 TALLOC_FREE(session
);
456 return NT_STATUS_NO_MEMORY
;
458 session
->compat_vuser
->auth_ntlmssp_state
= session
->auth_ntlmssp_state
;
459 session
->compat_vuser
->homes_snum
= -1;
460 session
->compat_vuser
->session_info
= session
->session_info
;
461 session
->compat_vuser
->session_keystr
= NULL
;
462 session
->compat_vuser
->vuid
= session
->vuid
;
463 DLIST_ADD(session
->sconn
->smb1
.sessions
.validated_users
, session
->compat_vuser
);
465 if (security_session_user_level(session
->session_info
, NULL
) >= SECURITY_USER
) {
466 session
->compat_vuser
->homes_snum
=
467 register_homes_share(session
->session_info
->unix_info
->unix_name
);
470 if (!session_claim(session
->sconn
, session
->compat_vuser
)) {
471 DEBUG(1, ("smb2: Failed to claim session "
473 session
->compat_vuser
->vuid
));
474 TALLOC_FREE(session
->auth_ntlmssp_state
);
475 TALLOC_FREE(session
);
476 return NT_STATUS_LOGON_FAILURE
;
480 session
->status
= NT_STATUS_OK
;
483 * we attach the session to the request
484 * so that the response can be signed
486 smb2req
->session
= session
;
488 smb2req
->do_signing
= true;
491 global_client_caps
|= (CAP_LEVEL_II_OPLOCKS
|CAP_STATUS32
);
493 *out_session_id
= session
->vuid
;
498 static NTSTATUS
smbd_smb2_spnego_auth(struct smbd_smb2_session
*session
,
499 struct smbd_smb2_request
*smb2req
,
500 uint8_t in_security_mode
,
501 DATA_BLOB in_security_buffer
,
502 uint16_t *out_session_flags
,
503 DATA_BLOB
*out_security_buffer
,
504 uint64_t *out_session_id
)
506 DATA_BLOB auth
= data_blob_null
;
507 DATA_BLOB auth_out
= data_blob_null
;
510 if (!spnego_parse_auth(talloc_tos(), in_security_buffer
, &auth
)) {
511 TALLOC_FREE(session
);
512 return NT_STATUS_LOGON_FAILURE
;
515 if (auth
.data
[0] == ASN1_APPLICATION(0)) {
516 /* Might be a second negTokenTarg packet */
517 DATA_BLOB secblob_in
= data_blob_null
;
518 char *kerb_mech
= NULL
;
520 status
= parse_spnego_mechanisms(talloc_tos(),
522 &secblob_in
, &kerb_mech
);
523 if (!NT_STATUS_IS_OK(status
)) {
524 TALLOC_FREE(session
);
529 if (kerb_mech
&& ((lp_security()==SEC_ADS
) ||
530 USE_KERBEROS_KEYTAB
) ) {
531 status
= smbd_smb2_session_setup_krb5(session
,
540 data_blob_free(&secblob_in
);
541 TALLOC_FREE(kerb_mech
);
542 if (!NT_STATUS_IS_OK(status
)) {
543 TALLOC_FREE(session
);
549 /* Can't blunder into NTLMSSP auth if we have
553 DEBUG(3,("smb2: network "
554 "misconfiguration, client sent us a "
555 "krb5 ticket and kerberos security "
557 TALLOC_FREE(session
);
558 data_blob_free(&secblob_in
);
559 TALLOC_FREE(kerb_mech
);
560 return NT_STATUS_LOGON_FAILURE
;
563 data_blob_free(&secblob_in
);
566 if (session
->auth_ntlmssp_state
== NULL
) {
567 status
= auth_ntlmssp_prepare(session
->sconn
->remote_address
,
568 &session
->auth_ntlmssp_state
);
569 if (!NT_STATUS_IS_OK(status
)) {
570 data_blob_free(&auth
);
571 TALLOC_FREE(session
);
575 auth_ntlmssp_want_feature(session
->auth_ntlmssp_state
, NTLMSSP_FEATURE_SESSION_KEY
);
577 status
= auth_ntlmssp_start(session
->auth_ntlmssp_state
);
578 if (!NT_STATUS_IS_OK(status
)) {
579 data_blob_free(&auth
);
580 TALLOC_FREE(session
);
585 status
= auth_ntlmssp_update(session
->auth_ntlmssp_state
,
588 /* If status is NT_STATUS_OK then we need to get the token.
589 * Map to guest is now internal to auth_ntlmssp */
590 if (NT_STATUS_IS_OK(status
)) {
591 status
= auth_ntlmssp_session_info(session
,
592 session
->auth_ntlmssp_state
,
593 &session
->session_info
);
596 if (!NT_STATUS_IS_OK(status
) &&
597 !NT_STATUS_EQUAL(status
, NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
598 TALLOC_FREE(session
->auth_ntlmssp_state
);
599 data_blob_free(&auth
);
600 TALLOC_FREE(session
);
604 data_blob_free(&auth
);
606 *out_security_buffer
= spnego_gen_auth_response(smb2req
,
607 &auth_out
, status
, NULL
);
609 if (out_security_buffer
->data
== NULL
) {
610 TALLOC_FREE(session
->auth_ntlmssp_state
);
611 TALLOC_FREE(session
);
612 return NT_STATUS_NO_MEMORY
;
615 *out_session_id
= session
->vuid
;
617 if (NT_STATUS_EQUAL(status
, NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
618 return NT_STATUS_MORE_PROCESSING_REQUIRED
;
621 /* We're done - claim the session. */
622 return smbd_smb2_common_ntlmssp_auth_return(session
,
630 static NTSTATUS
smbd_smb2_raw_ntlmssp_auth(struct smbd_smb2_session
*session
,
631 struct smbd_smb2_request
*smb2req
,
632 uint8_t in_security_mode
,
633 DATA_BLOB in_security_buffer
,
634 uint16_t *out_session_flags
,
635 DATA_BLOB
*out_security_buffer
,
636 uint64_t *out_session_id
)
640 *out_security_buffer
= data_blob_null
;
642 if (session
->auth_ntlmssp_state
== NULL
) {
643 status
= auth_ntlmssp_prepare(session
->sconn
->remote_address
,
644 &session
->auth_ntlmssp_state
);
645 if (!NT_STATUS_IS_OK(status
)) {
646 TALLOC_FREE(session
);
650 auth_ntlmssp_want_feature(session
->auth_ntlmssp_state
, NTLMSSP_FEATURE_SESSION_KEY
);
652 if (session
->sconn
->use_gensec_hook
) {
653 status
= auth_generic_start(session
->auth_ntlmssp_state
, GENSEC_OID_SPNEGO
);
655 status
= auth_ntlmssp_start(session
->auth_ntlmssp_state
);
657 if (!NT_STATUS_IS_OK(status
)) {
658 TALLOC_FREE(session
);
664 status
= auth_ntlmssp_update(session
->auth_ntlmssp_state
,
667 out_security_buffer
);
669 if (NT_STATUS_EQUAL(status
, NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
670 *out_session_id
= session
->vuid
;
674 status
= auth_ntlmssp_session_info(session
,
675 session
->auth_ntlmssp_state
,
676 &session
->session_info
);
678 if (!NT_STATUS_IS_OK(status
)) {
679 TALLOC_FREE(session
->auth_ntlmssp_state
);
680 TALLOC_FREE(session
);
683 *out_session_id
= session
->vuid
;
685 return smbd_smb2_common_ntlmssp_auth_return(session
,
693 static NTSTATUS
smbd_smb2_session_setup(struct smbd_smb2_request
*smb2req
,
694 uint64_t in_session_id
,
695 uint8_t in_security_mode
,
696 DATA_BLOB in_security_buffer
,
697 uint16_t *out_session_flags
,
698 DATA_BLOB
*out_security_buffer
,
699 uint64_t *out_session_id
)
701 struct smbd_smb2_session
*session
;
703 *out_session_flags
= 0;
706 if (in_session_id
== 0) {
709 /* create a new session */
710 session
= talloc_zero(smb2req
->sconn
, struct smbd_smb2_session
);
711 if (session
== NULL
) {
712 return NT_STATUS_NO_MEMORY
;
714 session
->status
= NT_STATUS_MORE_PROCESSING_REQUIRED
;
715 id
= idr_get_new_random(smb2req
->sconn
->smb2
.sessions
.idtree
,
717 smb2req
->sconn
->smb2
.sessions
.limit
);
719 return NT_STATUS_INSUFFICIENT_RESOURCES
;
723 session
->tcons
.idtree
= idr_init(session
);
724 if (session
->tcons
.idtree
== NULL
) {
725 return NT_STATUS_NO_MEMORY
;
727 session
->tcons
.limit
= 0x0000FFFE;
728 session
->tcons
.list
= NULL
;
730 DLIST_ADD_END(smb2req
->sconn
->smb2
.sessions
.list
, session
,
731 struct smbd_smb2_session
*);
732 session
->sconn
= smb2req
->sconn
;
733 talloc_set_destructor(session
, smbd_smb2_session_destructor
);
737 /* lookup an existing session */
738 p
= idr_find(smb2req
->sconn
->smb2
.sessions
.idtree
, in_session_id
);
740 return NT_STATUS_USER_SESSION_DELETED
;
742 session
= talloc_get_type_abort(p
, struct smbd_smb2_session
);
745 if (NT_STATUS_IS_OK(session
->status
)) {
746 return NT_STATUS_REQUEST_NOT_ACCEPTED
;
749 /* Handle either raw NTLMSSP or hand off the whole blob to
750 * GENSEC. The processing at this layer is essentially
751 * identical regardless. In particular, both rely only on the
752 * status code (not the contents of the packet) and do not
754 if (session
->sconn
->use_gensec_hook
755 || ntlmssp_blob_matches_magic(&in_security_buffer
)) {
756 return smbd_smb2_raw_ntlmssp_auth(session
,
763 } else if (in_security_buffer
.data
[0] == ASN1_APPLICATION(0)) {
764 return smbd_smb2_spnego_negotiate(session
,
771 } else if (in_security_buffer
.data
[0] == ASN1_CONTEXT(1)) {
772 return smbd_smb2_spnego_auth(session
,
781 /* Unknown packet type. */
782 DEBUG(1,("Unknown packet type %u in smb2 sessionsetup\n",
783 (unsigned int)in_security_buffer
.data
[0] ));
784 TALLOC_FREE(session
->auth_ntlmssp_state
);
785 TALLOC_FREE(session
);
786 return NT_STATUS_LOGON_FAILURE
;
789 NTSTATUS
smbd_smb2_request_process_logoff(struct smbd_smb2_request
*req
)
794 status
= smbd_smb2_request_verify_sizes(req
, 0x04);
795 if (!NT_STATUS_IS_OK(status
)) {
796 return smbd_smb2_request_error(req
, status
);
800 * TODO: cancel all outstanding requests on the session
801 * and delete all tree connections.
803 smbd_smb2_session_destructor(req
->session
);
805 * we may need to sign the response, so we need to keep
806 * the session until the response is sent to the wire.
808 talloc_steal(req
, req
->session
);
810 outbody
= data_blob_talloc(req
->out
.vector
, NULL
, 0x04);
811 if (outbody
.data
== NULL
) {
812 return smbd_smb2_request_error(req
, NT_STATUS_NO_MEMORY
);
815 SSVAL(outbody
.data
, 0x00, 0x04); /* struct size */
816 SSVAL(outbody
.data
, 0x02, 0); /* reserved */
818 return smbd_smb2_request_done(req
, outbody
, NULL
);