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 "../auth/gensec/gensec.h"
28 #include "../auth/ntlmssp/ntlmssp.h"
29 #include "../librpc/gen_ndr/krb5pac.h"
30 #include "libads/kerberos_proto.h"
31 #include "../lib/util/asn1.h"
33 #include "../lib/tsocket/tsocket.h"
34 #include "../libcli/security/security.h"
36 static NTSTATUS
smbd_smb2_session_setup(struct smbd_smb2_request
*smb2req
,
37 uint64_t in_session_id
,
38 uint8_t in_security_mode
,
39 DATA_BLOB in_security_buffer
,
40 uint16_t *out_session_flags
,
41 DATA_BLOB
*out_security_buffer
,
42 uint64_t *out_session_id
);
44 NTSTATUS
smbd_smb2_request_process_sesssetup(struct smbd_smb2_request
*smb2req
)
47 const uint8_t *inbody
;
48 int i
= smb2req
->current_idx
;
52 uint64_t in_session_id
;
53 uint8_t in_security_mode
;
54 uint16_t in_security_offset
;
55 uint16_t in_security_length
;
56 DATA_BLOB in_security_buffer
;
57 uint16_t out_session_flags
;
58 uint64_t out_session_id
;
59 uint16_t out_security_offset
;
60 DATA_BLOB out_security_buffer
= data_blob_null
;
63 status
= smbd_smb2_request_verify_sizes(smb2req
, 0x19);
64 if (!NT_STATUS_IS_OK(status
)) {
65 return smbd_smb2_request_error(smb2req
, status
);
67 inhdr
= (const uint8_t *)smb2req
->in
.vector
[i
+0].iov_base
;
68 inbody
= (const uint8_t *)smb2req
->in
.vector
[i
+1].iov_base
;
70 in_security_offset
= SVAL(inbody
, 0x0C);
71 in_security_length
= SVAL(inbody
, 0x0E);
73 if (in_security_offset
!= (SMB2_HDR_BODY
+ smb2req
->in
.vector
[i
+1].iov_len
)) {
74 return smbd_smb2_request_error(smb2req
, NT_STATUS_INVALID_PARAMETER
);
77 if (in_security_length
> smb2req
->in
.vector
[i
+2].iov_len
) {
78 return smbd_smb2_request_error(smb2req
, NT_STATUS_INVALID_PARAMETER
);
81 in_session_id
= BVAL(inhdr
, SMB2_HDR_SESSION_ID
);
82 in_security_mode
= CVAL(inbody
, 0x03);
83 in_security_buffer
.data
= (uint8_t *)smb2req
->in
.vector
[i
+2].iov_base
;
84 in_security_buffer
.length
= in_security_length
;
86 status
= smbd_smb2_session_setup(smb2req
,
93 if (!NT_STATUS_IS_OK(status
) &&
94 !NT_STATUS_EQUAL(status
, NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
95 status
= nt_status_squash(status
);
96 return smbd_smb2_request_error(smb2req
, status
);
99 out_security_offset
= SMB2_HDR_BODY
+ 0x08;
101 outhdr
= (uint8_t *)smb2req
->out
.vector
[i
].iov_base
;
103 outbody
= data_blob_talloc(smb2req
->out
.vector
, NULL
, 0x08);
104 if (outbody
.data
== NULL
) {
105 return smbd_smb2_request_error(smb2req
, NT_STATUS_NO_MEMORY
);
108 SBVAL(outhdr
, SMB2_HDR_SESSION_ID
, out_session_id
);
110 SSVAL(outbody
.data
, 0x00, 0x08 + 1); /* struct size */
111 SSVAL(outbody
.data
, 0x02,
112 out_session_flags
); /* session flags */
113 SSVAL(outbody
.data
, 0x04,
114 out_security_offset
); /* security buffer offset */
115 SSVAL(outbody
.data
, 0x06,
116 out_security_buffer
.length
); /* security buffer length */
118 outdyn
= out_security_buffer
;
120 return smbd_smb2_request_done_ex(smb2req
, status
, outbody
, &outdyn
,
124 static int smbd_smb2_session_destructor(struct smbd_smb2_session
*session
)
126 if (session
->sconn
== NULL
) {
130 /* first free all tcons */
131 while (session
->tcons
.list
) {
132 talloc_free(session
->tcons
.list
);
135 idr_remove(session
->sconn
->smb2
.sessions
.idtree
, session
->vuid
);
136 DLIST_REMOVE(session
->sconn
->smb2
.sessions
.list
, session
);
137 invalidate_vuid(session
->sconn
, session
->vuid
);
140 session
->status
= NT_STATUS_USER_SESSION_DELETED
;
141 session
->sconn
= NULL
;
147 static NTSTATUS
smbd_smb2_session_setup_krb5(struct smbd_smb2_session
*session
,
148 struct smbd_smb2_request
*smb2req
,
149 uint8_t in_security_mode
,
150 const DATA_BLOB
*secblob
,
152 uint16_t *out_session_flags
,
153 DATA_BLOB
*out_security_buffer
,
154 uint64_t *out_session_id
)
156 DATA_BLOB ap_rep
= data_blob_null
;
157 DATA_BLOB ap_rep_wrapped
= data_blob_null
;
158 DATA_BLOB ticket
= data_blob_null
;
159 DATA_BLOB session_key
= data_blob_null
;
160 DATA_BLOB secblob_out
= data_blob_null
;
162 struct PAC_LOGON_INFO
*logon_info
= NULL
;
163 char *principal
= NULL
;
166 struct passwd
*pw
= NULL
;
169 bool username_was_mapped
= false;
170 bool map_domainuser_to_guest
= false;
173 if (!spnego_parse_krb5_wrap(talloc_tos(), *secblob
, &ticket
, tok_id
)) {
174 status
= NT_STATUS_LOGON_FAILURE
;
178 status
= ads_verify_ticket(smb2req
, lp_realm(), 0, &ticket
,
179 &principal
, &logon_info
, &ap_rep
,
182 if (!NT_STATUS_IS_OK(status
)) {
183 DEBUG(1,("smb2: Failed to verify incoming ticket with error %s!\n",
185 if (!NT_STATUS_EQUAL(status
, NT_STATUS_TIME_DIFFERENCE_AT_DC
)) {
186 status
= NT_STATUS_LOGON_FAILURE
;
191 status
= get_user_from_kerberos_info(talloc_tos(),
192 session
->sconn
->remote_hostname
,
193 principal
, logon_info
,
194 &username_was_mapped
,
195 &map_domainuser_to_guest
,
197 &real_username
, &pw
);
198 if (!NT_STATUS_IS_OK(status
)) {
202 /* save the PAC data if we have it */
204 netsamlogon_cache_store(user
, &logon_info
->info3
);
207 /* setup the string used by %U */
208 sub_set_smb_name(real_username
);
210 /* reload services so that the new %U is taken into account */
211 reload_services(smb2req
->sconn
, conn_snum_used
, true);
213 status
= make_session_info_krb5(session
,
214 user
, domain
, real_username
, pw
,
215 logon_info
, map_domainuser_to_guest
,
218 &session
->session_info
);
219 if (!NT_STATUS_IS_OK(status
)) {
220 DEBUG(1, ("smb2: make_server_info_krb5 failed\n"));
224 if ((in_security_mode
& SMB2_NEGOTIATE_SIGNING_REQUIRED
) ||
225 lp_server_signing() == SMB_SIGNING_REQUIRED
) {
226 session
->do_signing
= true;
229 if (security_session_user_level(session
->session_info
, NULL
) < SECURITY_USER
) {
230 /* we map anonymous to guest internally */
231 *out_session_flags
|= SMB2_SESSION_FLAG_IS_GUEST
;
232 *out_session_flags
|= SMB2_SESSION_FLAG_IS_NULL
;
233 /* force no signing */
234 session
->do_signing
= false;
238 session
->session_key
= session
->session_info
->session_key
;
240 session
->compat_vuser
= talloc_zero(session
, user_struct
);
241 if (session
->compat_vuser
== NULL
) {
242 status
= NT_STATUS_NO_MEMORY
;
245 session
->compat_vuser
->gensec_security
= NULL
;
246 session
->compat_vuser
->homes_snum
= -1;
247 session
->compat_vuser
->session_info
= session
->session_info
;
248 session
->compat_vuser
->session_keystr
= NULL
;
249 session
->compat_vuser
->vuid
= session
->vuid
;
250 DLIST_ADD(session
->sconn
->smb1
.sessions
.validated_users
, session
->compat_vuser
);
252 if (security_session_user_level(session
->session_info
, NULL
) >= SECURITY_USER
) {
253 session
->compat_vuser
->homes_snum
=
254 register_homes_share(session
->session_info
->unix_info
->unix_name
);
257 if (!session_claim(session
->sconn
, session
->compat_vuser
)) {
258 DEBUG(1, ("smb2: Failed to claim session "
260 session
->compat_vuser
->vuid
));
264 session
->status
= NT_STATUS_OK
;
267 * we attach the session to the request
268 * so that the response can be signed
270 smb2req
->session
= session
;
272 smb2req
->do_signing
= true;
275 global_client_caps
|= (CAP_LEVEL_II_OPLOCKS
|CAP_STATUS32
);
276 status
= NT_STATUS_OK
;
278 /* wrap that up in a nice GSS-API wrapping */
279 ap_rep_wrapped
= spnego_gen_krb5_wrap(talloc_tos(), ap_rep
,
282 secblob_out
= spnego_gen_auth_response(
288 *out_security_buffer
= data_blob_talloc(smb2req
,
291 if (secblob_out
.data
&& out_security_buffer
->data
== NULL
) {
292 status
= NT_STATUS_NO_MEMORY
;
296 data_blob_free(&ap_rep
);
297 data_blob_free(&ap_rep_wrapped
);
298 data_blob_free(&ticket
);
299 data_blob_free(&session_key
);
300 data_blob_free(&secblob_out
);
302 *out_session_id
= session
->vuid
;
308 data_blob_free(&ap_rep
);
309 data_blob_free(&ap_rep_wrapped
);
310 data_blob_free(&ticket
);
311 data_blob_free(&session_key
);
312 data_blob_free(&secblob_out
);
314 ap_rep_wrapped
= data_blob_null
;
315 secblob_out
= spnego_gen_auth_response(
321 *out_security_buffer
= data_blob_talloc(smb2req
,
324 data_blob_free(&secblob_out
);
329 static NTSTATUS
smbd_smb2_spnego_negotiate(struct smbd_smb2_session
*session
,
330 struct smbd_smb2_request
*smb2req
,
331 uint8_t in_security_mode
,
332 DATA_BLOB in_security_buffer
,
333 uint16_t *out_session_flags
,
334 DATA_BLOB
*out_security_buffer
,
335 uint64_t *out_session_id
)
337 DATA_BLOB secblob_in
= data_blob_null
;
338 DATA_BLOB chal_out
= data_blob_null
;
339 char *kerb_mech
= NULL
;
342 /* Ensure we have no old NTLM state around. */
343 TALLOC_FREE(session
->gensec_security
);
345 status
= parse_spnego_mechanisms(talloc_tos(), in_security_buffer
,
346 &secblob_in
, &kerb_mech
);
347 if (!NT_STATUS_IS_OK(status
)) {
352 if (kerb_mech
&& ((lp_security()==SEC_ADS
) ||
353 USE_KERBEROS_KEYTAB
) ) {
354 status
= smbd_smb2_session_setup_krb5(session
,
368 /* The mechtoken is a krb5 ticket, but
369 * we need to fall back to NTLM. */
371 DEBUG(3,("smb2: Got krb5 ticket in SPNEGO "
372 "but set to downgrade to NTLMSSP\n"));
374 status
= NT_STATUS_MORE_PROCESSING_REQUIRED
;
376 /* Fall back to NTLMSSP. */
377 status
= auth_generic_prepare(session
, session
->sconn
->remote_address
,
378 &session
->gensec_security
);
379 if (!NT_STATUS_IS_OK(status
)) {
383 gensec_want_feature(session
->gensec_security
, GENSEC_FEATURE_SESSION_KEY
);
384 gensec_want_feature(session
->gensec_security
, GENSEC_FEATURE_UNIX_TOKEN
);
386 status
= gensec_start_mech_by_oid(session
->gensec_security
, GENSEC_OID_NTLMSSP
);
387 if (!NT_STATUS_IS_OK(status
)) {
391 status
= gensec_update(session
->gensec_security
,
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
);
426 static NTSTATUS
smbd_smb2_common_ntlmssp_auth_return(struct smbd_smb2_session
*session
,
427 struct smbd_smb2_request
*smb2req
,
428 uint8_t in_security_mode
,
429 DATA_BLOB in_security_buffer
,
430 uint16_t *out_session_flags
,
431 uint64_t *out_session_id
)
435 if ((in_security_mode
& SMB2_NEGOTIATE_SIGNING_REQUIRED
) ||
436 lp_server_signing() == SMB_SIGNING_REQUIRED
) {
437 session
->do_signing
= true;
440 if (security_session_user_level(session
->session_info
, NULL
) < SECURITY_USER
) {
441 /* we map anonymous to guest internally */
442 *out_session_flags
|= SMB2_SESSION_FLAG_IS_GUEST
;
443 *out_session_flags
|= SMB2_SESSION_FLAG_IS_NULL
;
444 /* force no signing */
445 session
->do_signing
= false;
449 session
->session_key
= session
->session_info
->session_key
;
451 session
->compat_vuser
= talloc_zero(session
, user_struct
);
452 if (session
->compat_vuser
== NULL
) {
453 TALLOC_FREE(session
);
454 return NT_STATUS_NO_MEMORY
;
456 session
->compat_vuser
->gensec_security
= session
->gensec_security
;
457 session
->compat_vuser
->homes_snum
= -1;
458 session
->compat_vuser
->session_info
= session
->session_info
;
459 session
->compat_vuser
->session_keystr
= NULL
;
460 session
->compat_vuser
->vuid
= session
->vuid
;
461 DLIST_ADD(session
->sconn
->smb1
.sessions
.validated_users
, session
->compat_vuser
);
463 if (security_session_user_level(session
->session_info
, NULL
) >= SECURITY_USER
) {
464 session
->compat_vuser
->homes_snum
=
465 register_homes_share(session
->session_info
->unix_info
->unix_name
);
468 if (!session_claim(session
->sconn
, session
->compat_vuser
)) {
469 DEBUG(1, ("smb2: Failed to claim session "
471 session
->compat_vuser
->vuid
));
472 TALLOC_FREE(session
);
473 return NT_STATUS_LOGON_FAILURE
;
477 session
->status
= NT_STATUS_OK
;
480 * we attach the session to the request
481 * so that the response can be signed
483 smb2req
->session
= session
;
485 smb2req
->do_signing
= true;
488 global_client_caps
|= (CAP_LEVEL_II_OPLOCKS
|CAP_STATUS32
);
490 *out_session_id
= session
->vuid
;
495 static NTSTATUS
smbd_smb2_spnego_auth(struct smbd_smb2_session
*session
,
496 struct smbd_smb2_request
*smb2req
,
497 uint8_t in_security_mode
,
498 DATA_BLOB in_security_buffer
,
499 uint16_t *out_session_flags
,
500 DATA_BLOB
*out_security_buffer
,
501 uint64_t *out_session_id
)
503 DATA_BLOB auth
= data_blob_null
;
504 DATA_BLOB auth_out
= data_blob_null
;
507 if (!spnego_parse_auth(talloc_tos(), in_security_buffer
, &auth
)) {
508 TALLOC_FREE(session
);
509 return NT_STATUS_LOGON_FAILURE
;
512 if (auth
.data
[0] == ASN1_APPLICATION(0)) {
513 /* Might be a second negTokenTarg packet */
514 DATA_BLOB secblob_in
= data_blob_null
;
515 char *kerb_mech
= NULL
;
517 status
= parse_spnego_mechanisms(talloc_tos(),
519 &secblob_in
, &kerb_mech
);
520 if (!NT_STATUS_IS_OK(status
)) {
521 TALLOC_FREE(session
);
526 if (kerb_mech
&& ((lp_security()==SEC_ADS
) ||
527 USE_KERBEROS_KEYTAB
) ) {
528 status
= smbd_smb2_session_setup_krb5(session
,
537 data_blob_free(&secblob_in
);
538 TALLOC_FREE(kerb_mech
);
539 if (!NT_STATUS_IS_OK(status
)) {
540 TALLOC_FREE(session
);
546 /* Can't blunder into NTLMSSP auth if we have
550 DEBUG(3,("smb2: network "
551 "misconfiguration, client sent us a "
552 "krb5 ticket and kerberos security "
554 TALLOC_FREE(session
);
555 data_blob_free(&secblob_in
);
556 TALLOC_FREE(kerb_mech
);
557 return NT_STATUS_LOGON_FAILURE
;
560 data_blob_free(&secblob_in
);
563 if (session
->gensec_security
== NULL
) {
564 status
= auth_generic_prepare(session
, session
->sconn
->remote_address
,
565 &session
->gensec_security
);
566 if (!NT_STATUS_IS_OK(status
)) {
567 data_blob_free(&auth
);
568 TALLOC_FREE(session
);
572 gensec_want_feature(session
->gensec_security
, GENSEC_FEATURE_SESSION_KEY
);
573 gensec_want_feature(session
->gensec_security
, GENSEC_FEATURE_UNIX_TOKEN
);
575 status
= gensec_start_mech_by_oid(session
->gensec_security
, GENSEC_OID_NTLMSSP
);
576 if (!NT_STATUS_IS_OK(status
)) {
577 data_blob_free(&auth
);
578 TALLOC_FREE(session
);
583 status
= gensec_update(session
->gensec_security
,
587 /* If status is NT_STATUS_OK then we need to get the token.
588 * Map to guest is now internal to auth_ntlmssp */
589 if (NT_STATUS_IS_OK(status
)) {
590 status
= gensec_session_info(session
->gensec_security
,
592 &session
->session_info
);
595 if (!NT_STATUS_IS_OK(status
) &&
596 !NT_STATUS_EQUAL(status
, NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
597 data_blob_free(&auth
);
598 TALLOC_FREE(session
);
602 data_blob_free(&auth
);
604 *out_security_buffer
= spnego_gen_auth_response(smb2req
,
605 &auth_out
, status
, NULL
);
607 if (out_security_buffer
->data
== NULL
) {
608 TALLOC_FREE(session
);
609 return NT_STATUS_NO_MEMORY
;
612 *out_session_id
= session
->vuid
;
614 if (NT_STATUS_EQUAL(status
, NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
615 return NT_STATUS_MORE_PROCESSING_REQUIRED
;
618 /* We're done - claim the session. */
619 return smbd_smb2_common_ntlmssp_auth_return(session
,
627 static NTSTATUS
smbd_smb2_raw_ntlmssp_auth(struct smbd_smb2_session
*session
,
628 struct smbd_smb2_request
*smb2req
,
629 uint8_t in_security_mode
,
630 DATA_BLOB in_security_buffer
,
631 uint16_t *out_session_flags
,
632 DATA_BLOB
*out_security_buffer
,
633 uint64_t *out_session_id
)
637 *out_security_buffer
= data_blob_null
;
639 if (session
->gensec_security
== NULL
) {
640 status
= auth_generic_prepare(session
, session
->sconn
->remote_address
,
641 &session
->gensec_security
);
642 if (!NT_STATUS_IS_OK(status
)) {
643 TALLOC_FREE(session
);
647 gensec_want_feature(session
->gensec_security
, GENSEC_FEATURE_SESSION_KEY
);
648 gensec_want_feature(session
->gensec_security
, GENSEC_FEATURE_UNIX_TOKEN
);
650 if (session
->sconn
->use_gensec_hook
) {
651 status
= gensec_start_mech_by_oid(session
->gensec_security
, GENSEC_OID_SPNEGO
);
653 status
= gensec_start_mech_by_oid(session
->gensec_security
, GENSEC_OID_NTLMSSP
);
655 if (!NT_STATUS_IS_OK(status
)) {
656 TALLOC_FREE(session
);
662 status
= gensec_update(session
->gensec_security
,
665 out_security_buffer
);
667 if (NT_STATUS_EQUAL(status
, NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
668 *out_session_id
= session
->vuid
;
672 status
= gensec_session_info(session
->gensec_security
,
674 &session
->session_info
);
676 if (!NT_STATUS_IS_OK(status
)) {
677 TALLOC_FREE(session
);
680 *out_session_id
= session
->vuid
;
682 return smbd_smb2_common_ntlmssp_auth_return(session
,
690 static NTSTATUS
smbd_smb2_session_setup(struct smbd_smb2_request
*smb2req
,
691 uint64_t in_session_id
,
692 uint8_t in_security_mode
,
693 DATA_BLOB in_security_buffer
,
694 uint16_t *out_session_flags
,
695 DATA_BLOB
*out_security_buffer
,
696 uint64_t *out_session_id
)
698 struct smbd_smb2_session
*session
;
700 *out_session_flags
= 0;
703 if (in_session_id
== 0) {
706 /* create a new session */
707 session
= talloc_zero(smb2req
->sconn
, struct smbd_smb2_session
);
708 if (session
== NULL
) {
709 return NT_STATUS_NO_MEMORY
;
711 session
->status
= NT_STATUS_MORE_PROCESSING_REQUIRED
;
712 id
= idr_get_new_random(smb2req
->sconn
->smb2
.sessions
.idtree
,
714 smb2req
->sconn
->smb2
.sessions
.limit
);
716 return NT_STATUS_INSUFFICIENT_RESOURCES
;
720 session
->tcons
.idtree
= idr_init(session
);
721 if (session
->tcons
.idtree
== NULL
) {
722 return NT_STATUS_NO_MEMORY
;
724 session
->tcons
.limit
= 0x0000FFFE;
725 session
->tcons
.list
= NULL
;
727 DLIST_ADD_END(smb2req
->sconn
->smb2
.sessions
.list
, session
,
728 struct smbd_smb2_session
*);
729 session
->sconn
= smb2req
->sconn
;
730 talloc_set_destructor(session
, smbd_smb2_session_destructor
);
734 /* lookup an existing session */
735 p
= idr_find(smb2req
->sconn
->smb2
.sessions
.idtree
, in_session_id
);
737 return NT_STATUS_USER_SESSION_DELETED
;
739 session
= talloc_get_type_abort(p
, struct smbd_smb2_session
);
742 if (NT_STATUS_IS_OK(session
->status
)) {
743 return NT_STATUS_REQUEST_NOT_ACCEPTED
;
746 /* Handle either raw NTLMSSP or hand off the whole blob to
747 * GENSEC. The processing at this layer is essentially
748 * identical regardless. In particular, both rely only on the
749 * status code (not the contents of the packet) and do not
751 if (session
->sconn
->use_gensec_hook
752 || ntlmssp_blob_matches_magic(&in_security_buffer
)) {
753 return smbd_smb2_raw_ntlmssp_auth(session
,
760 } else if (in_security_buffer
.data
[0] == ASN1_APPLICATION(0)) {
761 return smbd_smb2_spnego_negotiate(session
,
768 } else if (in_security_buffer
.data
[0] == ASN1_CONTEXT(1)) {
769 return smbd_smb2_spnego_auth(session
,
778 /* Unknown packet type. */
779 DEBUG(1,("Unknown packet type %u in smb2 sessionsetup\n",
780 (unsigned int)in_security_buffer
.data
[0] ));
781 TALLOC_FREE(session
);
782 return NT_STATUS_LOGON_FAILURE
;
785 NTSTATUS
smbd_smb2_request_process_logoff(struct smbd_smb2_request
*req
)
790 status
= smbd_smb2_request_verify_sizes(req
, 0x04);
791 if (!NT_STATUS_IS_OK(status
)) {
792 return smbd_smb2_request_error(req
, status
);
796 * TODO: cancel all outstanding requests on the session
797 * and delete all tree connections.
799 smbd_smb2_session_destructor(req
->session
);
801 * we may need to sign the response, so we need to keep
802 * the session until the response is sent to the wire.
804 talloc_steal(req
, req
->session
);
806 outbody
= data_blob_talloc(req
->out
.vector
, NULL
, 0x04);
807 if (outbody
.data
== NULL
) {
808 return smbd_smb2_request_error(req
, NT_STATUS_NO_MEMORY
);
811 SSVAL(outbody
.data
, 0x00, 0x04); /* struct size */
812 SSVAL(outbody
.data
, 0x02, 0); /* reserved */
814 return smbd_smb2_request_done(req
, outbody
, NULL
);