| 1 | /*
|
|---|
| 2 | Unix SMB/CIFS implementation.
|
|---|
| 3 |
|
|---|
| 4 | SMB2 client oplock break handling
|
|---|
| 5 |
|
|---|
| 6 | Copyright (C) Zachary Loafman 2009
|
|---|
| 7 |
|
|---|
| 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.
|
|---|
| 12 |
|
|---|
| 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.
|
|---|
| 17 |
|
|---|
| 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/>.
|
|---|
| 20 | */
|
|---|
| 21 |
|
|---|
| 22 | #include "includes.h"
|
|---|
| 23 | #include "libcli/smb2/smb2.h"
|
|---|
| 24 | #include "libcli/smb2/smb2_calls.h"
|
|---|
| 25 |
|
|---|
| 26 | /*
|
|---|
| 27 | Send a Lease Break Acknowledgement
|
|---|
| 28 | */
|
|---|
| 29 | struct smb2_request *smb2_lease_break_ack_send(struct smb2_tree *tree,
|
|---|
| 30 | struct smb2_lease_break_ack *io)
|
|---|
| 31 | {
|
|---|
| 32 | struct smb2_request *req;
|
|---|
| 33 |
|
|---|
| 34 | req = smb2_request_init_tree(tree, SMB2_OP_BREAK, 0x24, false, 0);
|
|---|
| 35 | if (req == NULL) return NULL;
|
|---|
| 36 |
|
|---|
| 37 | SIVAL(req->out.body, 0x02, io->in.reserved);
|
|---|
| 38 | SIVAL(req->out.body, 0x04, io->in.lease.lease_flags);
|
|---|
| 39 | memcpy(req->out.body+0x8, &io->in.lease.lease_key,
|
|---|
| 40 | sizeof(struct smb2_lease_key));
|
|---|
| 41 | SIVAL(req->out.body, 0x18, io->in.lease.lease_state);
|
|---|
| 42 | SBVAL(req->out.body, 0x1C, io->in.lease.lease_duration);
|
|---|
| 43 |
|
|---|
| 44 | smb2_transport_send(req);
|
|---|
| 45 |
|
|---|
| 46 | return req;
|
|---|
| 47 | }
|
|---|
| 48 |
|
|---|
| 49 |
|
|---|
| 50 | /*
|
|---|
| 51 | Receive a Lease Break Response
|
|---|
| 52 | */
|
|---|
| 53 | NTSTATUS smb2_lease_break_ack_recv(struct smb2_request *req,
|
|---|
| 54 | struct smb2_lease_break_ack *io)
|
|---|
| 55 | {
|
|---|
| 56 | if (!smb2_request_receive(req) ||
|
|---|
| 57 | !smb2_request_is_ok(req)) {
|
|---|
| 58 | return smb2_request_destroy(req);
|
|---|
| 59 | }
|
|---|
| 60 |
|
|---|
| 61 | SMB2_CHECK_PACKET_RECV(req, 0x24, false);
|
|---|
| 62 |
|
|---|
| 63 | io->out.reserved = IVAL(req->in.body, 0x02);
|
|---|
| 64 | io->out.lease.lease_flags = IVAL(req->in.body, 0x04);
|
|---|
| 65 | memcpy(&io->out.lease.lease_key, req->in.body+0x8,
|
|---|
| 66 | sizeof(struct smb2_lease_key));
|
|---|
| 67 | io->out.lease.lease_state = IVAL(req->in.body, 0x18);
|
|---|
| 68 | io->out.lease.lease_duration = IVAL(req->in.body, 0x1C);
|
|---|
| 69 |
|
|---|
| 70 | return smb2_request_destroy(req);
|
|---|
| 71 | }
|
|---|
| 72 |
|
|---|
| 73 | /*
|
|---|
| 74 | sync flush request
|
|---|
| 75 | */
|
|---|
| 76 | NTSTATUS smb2_lease_break_ack(struct smb2_tree *tree,
|
|---|
| 77 | struct smb2_lease_break_ack *io)
|
|---|
| 78 | {
|
|---|
| 79 | struct smb2_request *req = smb2_lease_break_ack_send(tree, io);
|
|---|
| 80 | return smb2_lease_break_ack_recv(req, io);
|
|---|
| 81 | }
|
|---|
