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 "../libcli/smb/smbXcli_base.h"
25 #include "libsmb/proto.h"
26 #include "lib/util/tevent_ntstatus.h"
28 struct smb2cli_write_state
{
33 static void smb2cli_write_done(struct tevent_req
*subreq
);
35 struct tevent_req
*smb2cli_write_send(TALLOC_CTX
*mem_ctx
,
36 struct tevent_context
*ev
,
37 struct smbXcli_conn
*conn
,
38 uint32_t timeout_msec
,
39 struct smbXcli_session
*session
,
43 uint64_t fid_persistent
,
44 uint64_t fid_volatile
,
45 uint32_t remaining_bytes
,
49 struct tevent_req
*req
, *subreq
;
50 struct smb2cli_write_state
*state
;
55 req
= tevent_req_create(mem_ctx
, &state
,
56 struct smb2cli_write_state
);
64 SSVAL(fixed
, 2, SMB2_HDR_BODY
+ 48);
65 SIVAL(fixed
, 4, length
);
66 SBVAL(fixed
, 8, offset
);
67 SBVAL(fixed
, 16, fid_persistent
);
68 SBVAL(fixed
, 24, fid_volatile
);
69 SIVAL(fixed
, 36, remaining_bytes
);
70 SIVAL(fixed
, 44, flags
);
76 dyn
= state
->dyn_pad
;;
77 dyn_len
= sizeof(state
->dyn_pad
);
80 subreq
= smb2cli_req_send(state
, ev
, conn
, SMB2_OP_WRITE
,
86 state
->fixed
, sizeof(state
->fixed
),
88 if (tevent_req_nomem(subreq
, req
)) {
89 return tevent_req_post(req
, ev
);
91 tevent_req_set_callback(subreq
, smb2cli_write_done
, req
);
95 static void smb2cli_write_done(struct tevent_req
*subreq
)
97 struct tevent_req
*req
=
98 tevent_req_callback_data(subreq
,
101 static const struct smb2cli_req_expected_response expected
[] = {
103 .status
= NT_STATUS_OK
,
108 status
= smb2cli_req_recv(subreq
, NULL
, NULL
,
109 expected
, ARRAY_SIZE(expected
));
110 if (tevent_req_nterror(req
, status
)) {
113 tevent_req_done(req
);
116 NTSTATUS
smb2cli_write_recv(struct tevent_req
*req
)
118 return tevent_req_simple_recv_ntstatus(req
);
121 NTSTATUS
smb2cli_write(struct smbXcli_conn
*conn
,
122 uint32_t timeout_msec
,
123 struct smbXcli_session
*session
,
127 uint64_t fid_persistent
,
128 uint64_t fid_volatile
,
129 uint32_t remaining_bytes
,
133 TALLOC_CTX
*frame
= talloc_stackframe();
134 struct tevent_context
*ev
;
135 struct tevent_req
*req
;
136 NTSTATUS status
= NT_STATUS_NO_MEMORY
;
138 if (smbXcli_conn_has_async_calls(conn
)) {
140 * Can't use sync call while an async call is in flight
142 status
= NT_STATUS_INVALID_PARAMETER
;
145 ev
= tevent_context_init(frame
);
149 req
= smb2cli_write_send(frame
, ev
, conn
, timeout_msec
, session
,
150 tcon_id
, length
, offset
,
151 fid_persistent
, fid_volatile
,
152 remaining_bytes
, flags
, data
);
156 if (!tevent_req_poll_ntstatus(req
, ev
, &status
)) {
159 status
= smb2cli_write_recv(req
);