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DEFINITIONS
This source file includes following definitions.
- smb2_break_send
- smb2_break_recv
- smb2_break
1 /*
2 Unix SMB/CIFS implementation.
3
4 SMB2 client oplock break handling
5
6 Copyright (C) Stefan Metzmacher 2008
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 break request
28 */
29 struct smb2_request *smb2_break_send(struct smb2_tree *tree, struct smb2_break *io)
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30 {
31 struct smb2_request *req;
32
33 req = smb2_request_init_tree(tree, SMB2_OP_BREAK, 0x18, false, 0);
34 if (req == NULL) return NULL;
35
36 SCVAL(req->out.body, 0x02, io->in.oplock_level);
37 SCVAL(req->out.body, 0x03, io->in.reserved);
38 SIVAL(req->out.body, 0x04, io->in.reserved2);
39 smb2_push_handle(req->out.body+0x08, &io->in.file.handle);
40
41 smb2_transport_send(req);
42
43 return req;
44 }
45
46
47 /*
48 recv a break reply
49 */
50 NTSTATUS smb2_break_recv(struct smb2_request *req, struct smb2_break *io)
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51 {
52 if (!smb2_request_receive(req) ||
53 !smb2_request_is_ok(req)) {
54 return smb2_request_destroy(req);
55 }
56
57 SMB2_CHECK_PACKET_RECV(req, 0x18, false);
58
59 io->out.oplock_level = CVAL(req->in.body, 0x02);
60 io->out.reserved = CVAL(req->in.body, 0x03);
61 io->out.reserved2 = IVAL(req->in.body, 0x04);
62 smb2_pull_handle(req->in.body+0x08, &io->out.file.handle);
63
64 return smb2_request_destroy(req);
65 }
66
67 /*
68 sync flush request
69 */
70 NTSTATUS smb2_break(struct smb2_tree *tree, struct smb2_break *io)
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71 {
72 struct smb2_request *req = smb2_break_send(tree, io);
73 return smb2_break_recv(req, io);
74 }