2 Unix SMB2 implementation.
4 Copyright (C) Andrew Tridgell 2005
5 Copyright (C) Stefan Metzmacher 2005
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>.
22 #include "system/time.h"
23 #include "libcli/smb2/smb2.h"
24 #include "libcli/smb2/smb2_calls.h"
25 #include "smb_server/smb_server.h"
26 #include "smb_server/smb2/smb2_server.h"
27 #include "smbd/service_stream.h"
28 #include "lib/stream/packet.h"
29 #include "ntvfs/ntvfs.h"
30 #include "param/param.h"
31 #include "auth/auth.h"
34 /* fill in the bufinfo */
35 void smb2srv_setup_bufinfo(struct smb2srv_request
*req
)
37 req
->in
.bufinfo
.mem_ctx
= req
;
38 req
->in
.bufinfo
.flags
= BUFINFO_FLAG_UNICODE
| BUFINFO_FLAG_SMB2
;
39 req
->in
.bufinfo
.align_base
= req
->in
.buffer
;
40 if (req
->in
.dynamic
) {
41 req
->in
.bufinfo
.data
= req
->in
.dynamic
;
42 req
->in
.bufinfo
.data_size
= req
->in
.body_size
- req
->in
.body_fixed
;
44 req
->in
.bufinfo
.data
= NULL
;
45 req
->in
.bufinfo
.data_size
= 0;
49 static int smb2srv_request_destructor(struct smb2srv_request
*req
)
51 DLIST_REMOVE(req
->smb_conn
->requests2
.list
, req
);
52 if (req
->pending_id
) {
53 idr_remove(req
->smb_conn
->requests2
.idtree_req
, req
->pending_id
);
58 static int smb2srv_request_deny_destructor(struct smb2srv_request
*req
)
63 struct smb2srv_request
*smb2srv_init_request(struct smbsrv_connection
*smb_conn
)
65 struct smb2srv_request
*req
;
67 req
= talloc_zero(smb_conn
, struct smb2srv_request
);
68 if (!req
) return NULL
;
70 req
->smb_conn
= smb_conn
;
72 talloc_set_destructor(req
, smb2srv_request_destructor
);
77 NTSTATUS
smb2srv_setup_reply(struct smb2srv_request
*req
, uint16_t body_fixed_size
,
78 bool body_dynamic_present
, uint32_t body_dynamic_size
)
80 uint32_t flags
= SMB2_HDR_FLAG_REDIRECT
;
81 uint32_t pid
= IVAL(req
->in
.hdr
, SMB2_HDR_PID
);
82 uint32_t tid
= IVAL(req
->in
.hdr
, SMB2_HDR_TID
);
84 if (req
->pending_id
) {
85 flags
|= SMB2_HDR_FLAG_ASYNC
;
86 pid
= req
->pending_id
;
90 if (body_dynamic_present
) {
91 if (body_dynamic_size
== 0) {
92 body_dynamic_size
= 1;
95 body_dynamic_size
= 0;
98 req
->out
.size
= SMB2_HDR_BODY
+NBT_HDR_SIZE
+body_fixed_size
;
100 req
->out
.allocated
= req
->out
.size
+ body_dynamic_size
;
101 req
->out
.buffer
= talloc_array(req
, uint8_t,
103 NT_STATUS_HAVE_NO_MEMORY(req
->out
.buffer
);
105 req
->out
.hdr
= req
->out
.buffer
+ NBT_HDR_SIZE
;
106 req
->out
.body
= req
->out
.hdr
+ SMB2_HDR_BODY
;
107 req
->out
.body_fixed
= body_fixed_size
;
108 req
->out
.body_size
= body_fixed_size
;
109 req
->out
.dynamic
= (body_dynamic_size
? req
->out
.body
+ body_fixed_size
: NULL
);
111 SIVAL(req
->out
.hdr
, 0, SMB2_MAGIC
);
112 SSVAL(req
->out
.hdr
, SMB2_HDR_LENGTH
, SMB2_HDR_BODY
);
113 SSVAL(req
->out
.hdr
, SMB2_HDR_EPOCH
, 0);
114 SIVAL(req
->out
.hdr
, SMB2_HDR_STATUS
, NT_STATUS_V(req
->status
));
115 SSVAL(req
->out
.hdr
, SMB2_HDR_OPCODE
, SVAL(req
->in
.hdr
, SMB2_HDR_OPCODE
));
116 SSVAL(req
->out
.hdr
, SMB2_HDR_CREDIT
, 0x0001);
117 SIVAL(req
->out
.hdr
, SMB2_HDR_FLAGS
, flags
);
118 SIVAL(req
->out
.hdr
, SMB2_HDR_NEXT_COMMAND
, 0);
119 SBVAL(req
->out
.hdr
, SMB2_HDR_MESSAGE_ID
, req
->seqnum
);
120 SIVAL(req
->out
.hdr
, SMB2_HDR_PID
, pid
);
121 SIVAL(req
->out
.hdr
, SMB2_HDR_TID
, tid
);
122 SBVAL(req
->out
.hdr
, SMB2_HDR_SESSION_ID
, BVAL(req
->in
.hdr
, SMB2_HDR_SESSION_ID
));
123 memset(req
->out
.hdr
+SMB2_HDR_SIGNATURE
, 0, 16);
125 /* set the length of the fixed body part and +1 if there's a dynamic part also */
126 SSVAL(req
->out
.body
, 0, body_fixed_size
+ (body_dynamic_size
?1:0));
129 * if we have a dynamic part, make sure the first byte
130 * which is always be part of the packet is initialized
132 if (body_dynamic_size
) {
134 SCVAL(req
->out
.dynamic
, 0, 0);
140 static NTSTATUS
smb2srv_reply(struct smb2srv_request
*req
);
142 static void smb2srv_chain_reply(struct smb2srv_request
*p_req
)
145 struct smb2srv_request
*req
;
146 uint32_t chain_offset
;
147 uint32_t protocol_version
;
148 uint16_t buffer_code
;
149 uint32_t dynamic_size
;
151 uint32_t last_hdr_offset
;
153 last_hdr_offset
= p_req
->in
.hdr
- p_req
->in
.buffer
;
155 chain_offset
= p_req
->chain_offset
;
156 p_req
->chain_offset
= 0;
158 if (p_req
->in
.size
< (last_hdr_offset
+ chain_offset
+ SMB2_MIN_SIZE_NO_BODY
)) {
159 DEBUG(2,("Invalid SMB2 chained packet at offset 0x%X from last hdr 0x%X\n",
160 chain_offset
, last_hdr_offset
));
161 smbsrv_terminate_connection(p_req
->smb_conn
, "Invalid SMB2 chained packet");
165 protocol_version
= IVAL(p_req
->in
.buffer
, last_hdr_offset
+ chain_offset
);
166 if (protocol_version
!= SMB2_MAGIC
) {
167 DEBUG(2,("Invalid SMB chained packet: protocol prefix: 0x%08X\n",
169 smbsrv_terminate_connection(p_req
->smb_conn
, "NON-SMB2 chained packet");
173 req
= smb2srv_init_request(p_req
->smb_conn
);
175 smbsrv_terminate_connection(p_req
->smb_conn
, "SMB2 chained packet - no memory");
179 req
->in
.buffer
= talloc_steal(req
, p_req
->in
.buffer
);
180 req
->in
.size
= p_req
->in
.size
;
181 req
->request_time
= p_req
->request_time
;
182 req
->in
.allocated
= req
->in
.size
;
184 req
->in
.hdr
= req
->in
.buffer
+ last_hdr_offset
+ chain_offset
;
185 req
->in
.body
= req
->in
.hdr
+ SMB2_HDR_BODY
;
186 req
->in
.body_size
= req
->in
.size
- (last_hdr_offset
+ chain_offset
+ SMB2_HDR_BODY
);
187 req
->in
.dynamic
= NULL
;
189 req
->seqnum
= BVAL(req
->in
.hdr
, SMB2_HDR_MESSAGE_ID
);
191 if (req
->in
.body_size
< 2) {
192 /* error handling for this is different for negprot to
193 other packet types */
194 uint16_t opcode
= SVAL(req
->in
.hdr
, SMB2_HDR_OPCODE
);
195 if (opcode
== SMB2_OP_NEGPROT
) {
196 smbsrv_terminate_connection(req
->smb_conn
, "Bad body size in SMB2 negprot");
198 smb2srv_send_error(req
, NT_STATUS_INVALID_PARAMETER
);
202 buffer_code
= SVAL(req
->in
.body
, 0);
203 req
->in
.body_fixed
= (buffer_code
& ~1);
204 dynamic_size
= req
->in
.body_size
- req
->in
.body_fixed
;
206 if (dynamic_size
!= 0 && (buffer_code
& 1)) {
207 req
->in
.dynamic
= req
->in
.body
+ req
->in
.body_fixed
;
208 if (smb2_oob(&req
->in
, req
->in
.dynamic
, dynamic_size
)) {
209 DEBUG(1,("SMB2 chained request invalid dynamic size 0x%x\n",
211 smb2srv_send_error(req
, NT_STATUS_INVALID_PARAMETER
);
216 smb2srv_setup_bufinfo(req
);
218 flags
= IVAL(req
->in
.hdr
, SMB2_HDR_FLAGS
);
219 if (flags
& SMB2_HDR_FLAG_CHAINED
) {
220 if (p_req
->chained_file_handle
) {
221 memcpy(req
->_chained_file_handle
,
222 p_req
->_chained_file_handle
,
223 sizeof(req
->_chained_file_handle
));
224 req
->chained_file_handle
= req
->_chained_file_handle
;
226 req
->chain_status
= p_req
->chain_status
;
230 * TODO: - make sure the length field is 64
231 * - make sure it's a request
234 status
= smb2srv_reply(req
);
235 if (!NT_STATUS_IS_OK(status
)) {
236 smbsrv_terminate_connection(req
->smb_conn
, nt_errstr(status
));
242 void smb2srv_send_reply(struct smb2srv_request
*req
)
247 if (req
->smb_conn
->connection
->event
.fde
== NULL
) {
248 /* the socket has been destroyed - no point trying to send a reply! */
253 if (req
->out
.size
> NBT_HDR_SIZE
) {
254 _smb2_setlen(req
->out
.buffer
, req
->out
.size
- NBT_HDR_SIZE
);
257 /* if signing is active on the session then sign the packet */
258 if (req
->is_signed
) {
259 status
= smb2_sign_message(&req
->out
,
260 req
->session
->session_info
->session_key
);
261 if (!NT_STATUS_IS_OK(status
)) {
262 smbsrv_terminate_connection(req
->smb_conn
, nt_errstr(status
));
268 blob
= data_blob_const(req
->out
.buffer
, req
->out
.size
);
269 status
= packet_send(req
->smb_conn
->packet
, blob
);
270 if (!NT_STATUS_IS_OK(status
)) {
271 smbsrv_terminate_connection(req
->smb_conn
, nt_errstr(status
));
273 if (req
->chain_offset
) {
274 smb2srv_chain_reply(req
);
280 void smb2srv_send_error(struct smb2srv_request
*req
, NTSTATUS error
)
284 if (req
->smb_conn
->connection
->event
.fde
== NULL
) {
285 /* the socket has been destroyed - no point trying to send an error! */
290 status
= smb2srv_setup_reply(req
, 8, true, 0);
291 if (!NT_STATUS_IS_OK(status
)) {
292 smbsrv_terminate_connection(req
->smb_conn
, nt_errstr(status
));
297 SIVAL(req
->out
.hdr
, SMB2_HDR_STATUS
, NT_STATUS_V(error
));
299 SSVAL(req
->out
.body
, 0x02, 0);
300 SIVAL(req
->out
.body
, 0x04, 0);
302 req
->chain_status
= NT_STATUS_INVALID_PARAMETER
;
304 smb2srv_send_reply(req
);
307 static NTSTATUS
smb2srv_reply(struct smb2srv_request
*req
)
314 if (SVAL(req
->in
.hdr
, SMB2_HDR_LENGTH
) != SMB2_HDR_BODY
) {
315 smbsrv_terminate_connection(req
->smb_conn
, "Invalid SMB2 header length");
316 return NT_STATUS_INVALID_PARAMETER
;
318 opcode
= SVAL(req
->in
.hdr
, SMB2_HDR_OPCODE
);
319 req
->chain_offset
= IVAL(req
->in
.hdr
, SMB2_HDR_NEXT_COMMAND
);
320 req
->seqnum
= BVAL(req
->in
.hdr
, SMB2_HDR_MESSAGE_ID
);
321 tid
= IVAL(req
->in
.hdr
, SMB2_HDR_TID
);
322 uid
= BVAL(req
->in
.hdr
, SMB2_HDR_SESSION_ID
);
323 flags
= IVAL(req
->in
.hdr
, SMB2_HDR_FLAGS
);
325 if (opcode
!= SMB2_OP_CANCEL
&&
326 req
->smb_conn
->highest_smb2_seqnum
!= 0 &&
327 req
->seqnum
<= req
->smb_conn
->highest_smb2_seqnum
) {
328 smbsrv_terminate_connection(req
->smb_conn
, "Invalid SMB2 sequence number");
329 return NT_STATUS_INVALID_PARAMETER
;
331 if (opcode
!= SMB2_OP_CANCEL
) {
332 req
->smb_conn
->highest_smb2_seqnum
= req
->seqnum
;
335 req
->session
= smbsrv_session_find(req
->smb_conn
, uid
, req
->request_time
);
336 req
->tcon
= smbsrv_smb2_tcon_find(req
->session
, tid
, req
->request_time
);
340 /* supporting signing is mandatory in SMB2, and is per-packet. So we
341 should check the signature on any incoming packet that is signed, and
342 should give a signed reply to any signed request */
343 if (flags
& SMB2_HDR_FLAG_SIGNED
) {
346 if (!req
->session
) goto nosession
;
348 req
->is_signed
= true;
349 status
= smb2_check_signature(&req
->in
,
350 req
->session
->session_info
->session_key
);
351 if (!NT_STATUS_IS_OK(status
)) {
352 smb2srv_send_error(req
, status
);
355 } else if (req
->session
&& req
->session
->smb2_signing
.active
) {
356 /* we require signing and this request was not signed */
357 smb2srv_send_error(req
, NT_STATUS_ACCESS_DENIED
);
361 if (!NT_STATUS_IS_OK(req
->chain_status
)) {
362 smb2srv_send_error(req
, req
->chain_status
);
367 case SMB2_OP_NEGPROT
:
368 smb2srv_negprot_recv(req
);
370 case SMB2_OP_SESSSETUP
:
371 smb2srv_sesssetup_recv(req
);
374 if (!req
->session
) goto nosession
;
375 smb2srv_logoff_recv(req
);
378 if (!req
->session
) goto nosession
;
379 smb2srv_tcon_recv(req
);
382 if (!req
->session
) goto nosession
;
383 if (!req
->tcon
) goto notcon
;
384 smb2srv_tdis_recv(req
);
387 if (!req
->session
) goto nosession
;
388 if (!req
->tcon
) goto notcon
;
389 smb2srv_create_recv(req
);
392 if (!req
->session
) goto nosession
;
393 if (!req
->tcon
) goto notcon
;
394 smb2srv_close_recv(req
);
397 if (!req
->session
) goto nosession
;
398 if (!req
->tcon
) goto notcon
;
399 smb2srv_flush_recv(req
);
402 if (!req
->session
) goto nosession
;
403 if (!req
->tcon
) goto notcon
;
404 smb2srv_read_recv(req
);
407 if (!req
->session
) goto nosession
;
408 if (!req
->tcon
) goto notcon
;
409 smb2srv_write_recv(req
);
412 if (!req
->session
) goto nosession
;
413 if (!req
->tcon
) goto notcon
;
414 smb2srv_lock_recv(req
);
417 if (!req
->session
) goto nosession
;
418 if (!req
->tcon
) goto notcon
;
419 smb2srv_ioctl_recv(req
);
422 smb2srv_cancel_recv(req
);
424 case SMB2_OP_KEEPALIVE
:
425 smb2srv_keepalive_recv(req
);
428 if (!req
->session
) goto nosession
;
429 if (!req
->tcon
) goto notcon
;
430 smb2srv_find_recv(req
);
433 if (!req
->session
) goto nosession
;
434 if (!req
->tcon
) goto notcon
;
435 smb2srv_notify_recv(req
);
437 case SMB2_OP_GETINFO
:
438 if (!req
->session
) goto nosession
;
439 if (!req
->tcon
) goto notcon
;
440 smb2srv_getinfo_recv(req
);
442 case SMB2_OP_SETINFO
:
443 if (!req
->session
) goto nosession
;
444 if (!req
->tcon
) goto notcon
;
445 smb2srv_setinfo_recv(req
);
448 if (!req
->session
) goto nosession
;
449 if (!req
->tcon
) goto notcon
;
450 smb2srv_break_recv(req
);
454 DEBUG(1,("Invalid SMB2 opcode: 0x%04X\n", opcode
));
455 smbsrv_terminate_connection(req
->smb_conn
, "Invalid SMB2 opcode");
459 smb2srv_send_error(req
, NT_STATUS_USER_SESSION_DELETED
);
462 smb2srv_send_error(req
, NT_STATUS_NETWORK_NAME_DELETED
);
466 NTSTATUS
smbsrv_recv_smb2_request(void *private_data
, DATA_BLOB blob
)
468 struct smbsrv_connection
*smb_conn
= talloc_get_type(private_data
, struct smbsrv_connection
);
469 struct smb2srv_request
*req
;
470 struct timeval cur_time
= timeval_current();
471 uint32_t protocol_version
;
472 uint16_t buffer_code
;
473 uint32_t dynamic_size
;
476 smb_conn
->statistics
.last_request_time
= cur_time
;
478 /* see if its a special NBT packet */
479 if (CVAL(blob
.data
,0) != 0) {
480 DEBUG(2,("Special NBT packet on SMB2 connection"));
481 smbsrv_terminate_connection(smb_conn
, "Special NBT packet on SMB2 connection");
485 if (blob
.length
< (NBT_HDR_SIZE
+ SMB2_MIN_SIZE_NO_BODY
)) {
486 DEBUG(2,("Invalid SMB2 packet length count %ld\n", (long)blob
.length
));
487 smbsrv_terminate_connection(smb_conn
, "Invalid SMB2 packet");
491 protocol_version
= IVAL(blob
.data
, NBT_HDR_SIZE
);
492 if (protocol_version
!= SMB2_MAGIC
) {
493 DEBUG(2,("Invalid SMB packet: protocol prefix: 0x%08X\n",
495 smbsrv_terminate_connection(smb_conn
, "NON-SMB2 packet");
499 req
= smb2srv_init_request(smb_conn
);
500 NT_STATUS_HAVE_NO_MEMORY(req
);
502 req
->in
.buffer
= talloc_steal(req
, blob
.data
);
503 req
->in
.size
= blob
.length
;
504 req
->request_time
= cur_time
;
505 req
->in
.allocated
= req
->in
.size
;
507 req
->in
.hdr
= req
->in
.buffer
+ NBT_HDR_SIZE
;
508 req
->in
.body
= req
->in
.hdr
+ SMB2_HDR_BODY
;
509 req
->in
.body_size
= req
->in
.size
- (SMB2_HDR_BODY
+NBT_HDR_SIZE
);
510 req
->in
.dynamic
= NULL
;
512 req
->seqnum
= BVAL(req
->in
.hdr
, SMB2_HDR_MESSAGE_ID
);
514 if (req
->in
.body_size
< 2) {
515 /* error handling for this is different for negprot to
516 other packet types */
517 uint16_t opcode
= SVAL(req
->in
.hdr
, SMB2_HDR_OPCODE
);
518 if (opcode
== SMB2_OP_NEGPROT
) {
519 smbsrv_terminate_connection(req
->smb_conn
, "Bad body size in SMB2 negprot");
522 smb2srv_send_error(req
, NT_STATUS_INVALID_PARAMETER
);
527 buffer_code
= SVAL(req
->in
.body
, 0);
528 req
->in
.body_fixed
= (buffer_code
& ~1);
529 dynamic_size
= req
->in
.body_size
- req
->in
.body_fixed
;
531 if (dynamic_size
!= 0 && (buffer_code
& 1)) {
532 req
->in
.dynamic
= req
->in
.body
+ req
->in
.body_fixed
;
533 if (smb2_oob(&req
->in
, req
->in
.dynamic
, dynamic_size
)) {
534 DEBUG(1,("SMB2 request invalid dynamic size 0x%x\n",
536 smb2srv_send_error(req
, NT_STATUS_INVALID_PARAMETER
);
541 smb2srv_setup_bufinfo(req
);
544 * TODO: - make sure the length field is 64
545 * - make sure it's a request
548 flags
= IVAL(req
->in
.hdr
, SMB2_HDR_FLAGS
);
549 /* the first request should never have the related flag set */
550 if (flags
& SMB2_HDR_FLAG_CHAINED
) {
551 req
->chain_status
= NT_STATUS_INVALID_PARAMETER
;
554 return smb2srv_reply(req
);
557 static NTSTATUS
smb2srv_init_pending(struct smbsrv_connection
*smb_conn
)
559 smb_conn
->requests2
.idtree_req
= idr_init(smb_conn
);
560 NT_STATUS_HAVE_NO_MEMORY(smb_conn
->requests2
.idtree_req
);
561 smb_conn
->requests2
.idtree_limit
= 0x00FFFFFF & (UINT32_MAX
- 1);
562 smb_conn
->requests2
.list
= NULL
;
567 NTSTATUS
smb2srv_queue_pending(struct smb2srv_request
*req
)
570 bool signing_used
= false;
573 if (req
->pending_id
) {
574 return NT_STATUS_INTERNAL_ERROR
;
577 id
= idr_get_new_above(req
->smb_conn
->requests2
.idtree_req
, req
,
578 1, req
->smb_conn
->requests2
.idtree_limit
);
580 return NT_STATUS_INSUFFICIENT_RESOURCES
;
583 DLIST_ADD_END(req
->smb_conn
->requests2
.list
, req
, struct smb2srv_request
*);
584 req
->pending_id
= id
;
586 if (req
->smb_conn
->connection
->event
.fde
== NULL
) {
587 /* the socket has been destroyed - no point trying to send an error! */
588 return NT_STATUS_REMOTE_DISCONNECT
;
591 talloc_set_destructor(req
, smb2srv_request_deny_destructor
);
593 status
= smb2srv_setup_reply(req
, 8, true, 0);
594 if (!NT_STATUS_IS_OK(status
)) {
598 SIVAL(req
->out
.hdr
, SMB2_HDR_STATUS
, NT_STATUS_V(STATUS_PENDING
));
600 SSVAL(req
->out
.body
, 0x02, 0);
601 SIVAL(req
->out
.body
, 0x04, 0);
603 /* if the real reply will be signed set the signed flags, but don't sign */
604 if (req
->is_signed
) {
605 SIVAL(req
->out
.hdr
, SMB2_HDR_FLAGS
, IVAL(req
->out
.hdr
, SMB2_HDR_FLAGS
) | SMB2_HDR_FLAG_SIGNED
);
606 signing_used
= req
->is_signed
;
607 req
->is_signed
= false;
610 smb2srv_send_reply(req
);
612 req
->is_signed
= signing_used
;
614 talloc_set_destructor(req
, smb2srv_request_destructor
);
618 void smb2srv_cancel_recv(struct smb2srv_request
*req
)
623 struct smb2srv_request
*r
;
625 if (!req
->session
) goto done
;
627 flags
= IVAL(req
->in
.hdr
, SMB2_HDR_FLAGS
);
628 pending_id
= IVAL(req
->in
.hdr
, SMB2_HDR_PID
);
630 if (!(flags
& SMB2_HDR_FLAG_ASYNC
)) {
631 /* TODO: what to do here? */
635 p
= idr_find(req
->smb_conn
->requests2
.idtree_req
, pending_id
);
638 r
= talloc_get_type(p
, struct smb2srv_request
);
641 if (!r
->ntvfs
) goto done
;
643 ntvfs_cancel(r
->ntvfs
);
646 /* we never generate a reply for a SMB2 Cancel */
651 * init the SMB2 protocol related stuff
653 NTSTATUS
smbsrv_init_smb2_connection(struct smbsrv_connection
*smb_conn
)
657 /* now initialise a few default values associated with this smb socket */
658 smb_conn
->negotiate
.max_send
= 0xFFFF;
660 /* this is the size that w2k uses, and it appears to be important for
662 smb_conn
->negotiate
.max_recv
= lp_max_xmit(smb_conn
->lp_ctx
);
664 smb_conn
->negotiate
.zone_offset
= get_time_zone(time(NULL
));
666 smb_conn
->config
.security
= SEC_USER
;
667 smb_conn
->config
.nt_status_support
= true;
669 status
= smbsrv_init_sessions(smb_conn
, UINT64_MAX
);
670 NT_STATUS_NOT_OK_RETURN(status
);
672 status
= smb2srv_init_pending(smb_conn
);
673 NT_STATUS_NOT_OK_RETURN(status
);