2 Unix SMB/CIFS implementation.
4 Copyright (C) Volker Lendecke 2011
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>.
22 #include "async_smb.h"
23 #include "smb2cli_base.h"
25 #include "libsmb/proto.h"
26 #include "lib/util/tevent_ntstatus.h"
28 struct smb2cli_write_state
{
32 static void smb2cli_write_done(struct tevent_req
*subreq
);
34 struct tevent_req
*smb2cli_write_send(TALLOC_CTX
*mem_ctx
,
35 struct tevent_context
*ev
,
36 struct cli_state
*cli
,
39 uint64_t fid_persistent
,
40 uint64_t fid_volatile
,
41 uint32_t remaining_bytes
,
45 struct tevent_req
*req
, *subreq
;
46 struct smb2cli_write_state
*state
;
49 req
= tevent_req_create(mem_ctx
, &state
,
50 struct smb2cli_write_state
);
58 SSVAL(fixed
, 2, SMB2_HDR_BODY
+ 48);
59 SIVAL(fixed
, 4, length
);
60 SBVAL(fixed
, 8, offset
);
61 SBVAL(fixed
, 16, fid_persistent
);
62 SBVAL(fixed
, 24, fid_volatile
);
63 SIVAL(fixed
, 36, remaining_bytes
);
64 SIVAL(fixed
, 44, flags
);
66 subreq
= smb2cli_req_send(state
, ev
, cli
, SMB2_OP_WRITE
, 0,
67 state
->fixed
, sizeof(state
->fixed
),
69 if (tevent_req_nomem(subreq
, req
)) {
70 return tevent_req_post(req
, ev
);
72 tevent_req_set_callback(subreq
, smb2cli_write_done
, req
);
76 static void smb2cli_write_done(struct tevent_req
*subreq
)
78 struct tevent_req
*req
=
79 tevent_req_callback_data(subreq
,
84 status
= smb2cli_req_recv(subreq
, talloc_tos(), &iov
, 17);
85 if (tevent_req_nterror(req
, status
)) {
91 NTSTATUS
smb2cli_write_recv(struct tevent_req
*req
)
93 return tevent_req_simple_recv_ntstatus(req
);
96 NTSTATUS
smb2cli_write(struct cli_state
*cli
,
99 uint64_t fid_persistent
,
100 uint64_t fid_volatile
,
101 uint32_t remaining_bytes
,
105 TALLOC_CTX
*frame
= talloc_stackframe();
106 struct event_context
*ev
;
107 struct tevent_req
*req
;
108 NTSTATUS status
= NT_STATUS_NO_MEMORY
;
110 if (cli_has_async_calls(cli
)) {
112 * Can't use sync call while an async call is in flight
114 status
= NT_STATUS_INVALID_PARAMETER
;
117 ev
= event_context_init(frame
);
121 req
= smb2cli_write_send(frame
, ev
, cli
, length
, offset
,
122 fid_persistent
, fid_volatile
,
123 remaining_bytes
, flags
, data
);
127 if (!tevent_req_poll_ntstatus(req
, ev
, &status
)) {
130 status
= smb2cli_write_recv(req
);