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DEFINITIONS
This source file includes following definitions.
- smb2_write_send
- smb2_write_recv
- smb2_write
1 /*
2 Unix SMB/CIFS implementation.
3
4 SMB2 client write call
5
6 Copyright (C) Andrew Tridgell 2005
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 write request
28 */
29 struct smb2_request *smb2_write_send(struct smb2_tree *tree, struct smb2_write *io)
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30 {
31 NTSTATUS status;
32 struct smb2_request *req;
33
34 req = smb2_request_init_tree(tree, SMB2_OP_WRITE, 0x30, true, io->in.data.length);
35 if (req == NULL) return NULL;
36
37 status = smb2_push_o16s32_blob(&req->out, 0x02, io->in.data);
38 if (!NT_STATUS_IS_OK(status)) {
39 talloc_free(req);
40 return NULL;
41 }
42
43 SBVAL(req->out.body, 0x08, io->in.offset);
44 smb2_push_handle(req->out.body+0x10, &io->in.file.handle);
45
46 SBVAL(req->out.body, 0x20, io->in.unknown1);
47 SBVAL(req->out.body, 0x28, io->in.unknown2);
48
49 smb2_transport_send(req);
50
51 return req;
52 }
53
54
55 /*
56 recv a write reply
57 */
58 NTSTATUS smb2_write_recv(struct smb2_request *req, struct smb2_write *io)
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59 {
60 if (!smb2_request_receive(req) ||
61 smb2_request_is_error(req)) {
62 return smb2_request_destroy(req);
63 }
64
65 SMB2_CHECK_PACKET_RECV(req, 0x10, true);
66
67 io->out._pad = SVAL(req->in.body, 0x02);
68 io->out.nwritten = IVAL(req->in.body, 0x04);
69 io->out.unknown1 = BVAL(req->in.body, 0x08);
70
71 return smb2_request_destroy(req);
72 }
73
74 /*
75 sync write request
76 */
77 NTSTATUS smb2_write(struct smb2_tree *tree, struct smb2_write *io)
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78 {
79 struct smb2_request *req = smb2_write_send(tree, io);
80 return smb2_write_recv(req, io);
81 }