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 {
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 cli_state *cli,
40 uint64_t fid_persistent,
41 uint64_t fid_volatile,
42 uint32_t remaining_bytes,
46 struct tevent_req *req, *subreq;
47 struct smb2cli_write_state *state;
52 req = tevent_req_create(mem_ctx, &state,
53 struct smb2cli_write_state);
61 SSVAL(fixed, 2, SMB2_HDR_BODY + 48);
62 SIVAL(fixed, 4, length);
63 SBVAL(fixed, 8, offset);
64 SBVAL(fixed, 16, fid_persistent);
65 SBVAL(fixed, 24, fid_volatile);
66 SIVAL(fixed, 36, remaining_bytes);
67 SIVAL(fixed, 44, flags);
73 dyn = state->dyn_pad;;
74 dyn_len = sizeof(state->dyn_pad);
77 subreq = smb2cli_req_send(state, ev, cli, SMB2_OP_WRITE,
83 state->fixed, sizeof(state->fixed),
85 if (tevent_req_nomem(subreq, req)) {
86 return tevent_req_post(req, ev);
88 tevent_req_set_callback(subreq, smb2cli_write_done, req);
92 static void smb2cli_write_done(struct tevent_req *subreq)
94 struct tevent_req *req =
95 tevent_req_callback_data(subreq,
99 static const struct smb2cli_req_expected_response expected[] = {
101 .status = NT_STATUS_OK,
106 status = smb2cli_req_recv(subreq, talloc_tos(), &iov,
107 expected, ARRAY_SIZE(expected));
108 if (tevent_req_nterror(req, status)) {
111 tevent_req_done(req);
114 NTSTATUS smb2cli_write_recv(struct tevent_req *req)
116 return tevent_req_simple_recv_ntstatus(req);
119 NTSTATUS smb2cli_write(struct cli_state *cli,
122 uint64_t fid_persistent,
123 uint64_t fid_volatile,
124 uint32_t remaining_bytes,
128 TALLOC_CTX *frame = talloc_stackframe();
129 struct event_context *ev;
130 struct tevent_req *req;
131 NTSTATUS status = NT_STATUS_NO_MEMORY;
133 if (cli_has_async_calls(cli)) {
135 * Can't use sync call while an async call is in flight
137 status = NT_STATUS_INVALID_PARAMETER;
140 ev = event_context_init(frame);
144 req = smb2cli_write_send(frame, ev, cli, length, offset,
145 fid_persistent, fid_volatile,
146 remaining_bytes, flags, data);
150 if (!tevent_req_poll_ntstatus(req, ev, &status)) {
153 status = smb2cli_write_recv(req);