summaryrefslogtreecommitdiff
path: root/source3/libsmb/smb2cli_write.c
diff options
context:
space:
mode:
Diffstat (limited to 'source3/libsmb/smb2cli_write.c')
-rw-r--r--source3/libsmb/smb2cli_write.c134
1 files changed, 134 insertions, 0 deletions
diff --git a/source3/libsmb/smb2cli_write.c b/source3/libsmb/smb2cli_write.c
new file mode 100644
index 0000000000..ce672e44e9
--- /dev/null
+++ b/source3/libsmb/smb2cli_write.c
@@ -0,0 +1,134 @@
+/*
+ Unix SMB/CIFS implementation.
+ smb2 lib
+ Copyright (C) Volker Lendecke 2011
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "client.h"
+#include "async_smb.h"
+#include "smb2cli_base.h"
+#include "smb2cli.h"
+#include "libsmb/proto.h"
+#include "lib/util/tevent_ntstatus.h"
+
+struct smb2cli_write_state {
+ uint8_t fixed[48];
+};
+
+static void smb2cli_write_done(struct tevent_req *subreq);
+
+struct tevent_req *smb2cli_write_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct cli_state *cli,
+ uint32_t length,
+ uint64_t offset,
+ uint64_t fid_persistent,
+ uint64_t fid_volatile,
+ uint32_t remaining_bytes,
+ uint32_t flags,
+ const uint8_t *data)
+{
+ struct tevent_req *req, *subreq;
+ struct smb2cli_write_state *state;
+ uint8_t *fixed;
+
+ req = tevent_req_create(mem_ctx, &state,
+ struct smb2cli_write_state);
+ if (req == NULL) {
+ return NULL;
+ }
+
+ fixed = state->fixed;
+
+ SSVAL(fixed, 0, 49);
+ SSVAL(fixed, 2, SMB2_HDR_BODY + 48);
+ SIVAL(fixed, 4, length);
+ SBVAL(fixed, 8, offset);
+ SBVAL(fixed, 16, fid_persistent);
+ SBVAL(fixed, 24, fid_volatile);
+ SIVAL(fixed, 36, remaining_bytes);
+ SIVAL(fixed, 44, flags);
+
+ subreq = smb2cli_req_send(state, ev, cli, SMB2_OP_WRITE, 0,
+ state->fixed, sizeof(state->fixed),
+ data, length);
+ if (tevent_req_nomem(subreq, req)) {
+ return tevent_req_post(req, ev);
+ }
+ tevent_req_set_callback(subreq, smb2cli_write_done, req);
+ return req;
+}
+
+static void smb2cli_write_done(struct tevent_req *subreq)
+{
+ struct tevent_req *req =
+ tevent_req_callback_data(subreq,
+ struct tevent_req);
+ NTSTATUS status;
+ struct iovec *iov;
+
+ status = smb2cli_req_recv(subreq, talloc_tos(), &iov, 17);
+ if (tevent_req_nterror(req, status)) {
+ return;
+ }
+ tevent_req_done(req);
+}
+
+NTSTATUS smb2cli_write_recv(struct tevent_req *req)
+{
+ return tevent_req_simple_recv_ntstatus(req);
+}
+
+NTSTATUS smb2cli_write(struct cli_state *cli,
+ uint32_t length,
+ uint64_t offset,
+ uint64_t fid_persistent,
+ uint64_t fid_volatile,
+ uint32_t remaining_bytes,
+ uint32_t flags,
+ const uint8_t *data)
+{
+ TALLOC_CTX *frame = talloc_stackframe();
+ struct event_context *ev;
+ struct tevent_req *req;
+ NTSTATUS status = NT_STATUS_NO_MEMORY;
+
+ if (cli_has_async_calls(cli)) {
+ /*
+ * Can't use sync call while an async call is in flight
+ */
+ status = NT_STATUS_INVALID_PARAMETER;
+ goto fail;
+ }
+ ev = event_context_init(frame);
+ if (ev == NULL) {
+ goto fail;
+ }
+ req = smb2cli_write_send(frame, ev, cli, length, offset,
+ fid_persistent, fid_volatile,
+ remaining_bytes, flags, data);
+ if (req == NULL) {
+ goto fail;
+ }
+ if (!tevent_req_poll_ntstatus(req, ev, &status)) {
+ goto fail;
+ }
+ status = smb2cli_write_recv(req);
+ fail:
+ TALLOC_FREE(frame);
+ return status;
+}