source3/libsmb/smb2cli_ioctl.c

diff --git a/source3/libsmb/smb2cli_ioctl.c b/source3/libsmb/smb2cli_ioctl.c
new file mode 100644 (file)
index 0000000..499734b
--- /dev/null
+++ b/source3/libsmb/smb2cli_ioctl.c
@@ -0,0 +1,179 @@
+/*
+   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 "../libcli/smb/smbXcli_base.h"
+#include "smb2cli.h"
+#include "libsmb/proto.h"
+#include "lib/util/tevent_ntstatus.h"
+
+struct smb2cli_ioctl_state {
+       uint8_t fixed[0x38];
+       uint8_t dyn_pad[1];
+};
+
+static void smb2cli_ioctl_done(struct tevent_req *subreq);
+
+struct tevent_req *smb2cli_ioctl_send(TALLOC_CTX *mem_ctx,
+                                     struct tevent_context *ev,
+                                     struct cli_state *cli,
+                                     uint32_t in_ctl_code,
+                                     uint64_t in_fid_persistent,
+                                     uint64_t in_fid_volatile,
+                                     uint32_t in_max_input_length,
+                                     const DATA_BLOB *in_input_buffer,
+                                     uint32_t in_max_output_length,
+                                     const DATA_BLOB *in_output_buffer,
+                                     uint32_t flags)
+{
+       struct tevent_req *req, *subreq;
+       struct smb2cli_ioctl_state *state;
+       uint8_t *fixed;
+       const uint8_t *dyn;
+       size_t dyn_len;
+       uint32_t input_buffer_offset = 0;
+       uint32_t input_buffer_length = 0;
+       uint32_t output_buffer_offset = 0;
+       uint32_t output_buffer_length = 0;
+
+       req = tevent_req_create(mem_ctx, &state,
+                               struct smb2cli_ioctl_state);
+       if (req == NULL) {
+               return NULL;
+       }
+
+       if (in_input_buffer) {
+               input_buffer_offset = SMB2_HDR_BODY+0x38;
+               input_buffer_length = in_input_buffer->length;
+       }
+i
+       if (in_output_buffer) {
+               output_buffer_offset = SMB2_HDR_BODY+0x38;
+               output_buffer_offset += input_buffer_length;
+               output_buffer_offset = NDR_ROUND(output_buffer_offset, 8);
+               output_buffer_length = out_input_buffer->length;
+       }
+
+       fixed = state->fixed;
+
+       SSVAL(fixed, 0x00, 0x39);
+       SSVAL(fixed, 0x02, 0); /* reserved */
+       SIVAL(fixed, 0x04, in_ctl_code);
+       SBVAL(fixed, 0x08, fid_persistent);
+       SBVAL(fixed, 0x10, fid_volatile);
+       SIVAL(fixed, 0x1C, input_buffer_offset);
+       SIVAL(fixed, 0x20, input_buffer_length);
+       SIVAL(fixed, 0x24, in_max_input_length);
+       SIVAL(fixed, 0x28, output_buffer_offset);
+       SIVAL(fixed, 0x2C, output_buffer_length);
+       SIVAL(fixed, 0x30, out_max_input_length);
+       SIVAL(fixed, 0x34, flags);
+       SIVAL(fixed, 0x34, 0); /* reserved */
+
+       if ( > 0) {
+               dyn = data;
+               dyn_len = length;
+       } else {
+               dyn = state->dyn_pad;;
+               dyn_len = sizeof(state->dyn_pad);
+       }
+
+       subreq = smb2cli_req_send(state, ev, cli->conn, SMB2_OP_WRITE,
+                                 0, 0, /* flags */
+                                 cli->timeout,
+                                 cli->smb2.pid,
+                                 cli->smb2.tid,
+                                 cli->smb2.session,
+                                 state->fixed, sizeof(state->fixed),
+                                 dyn, dyn_len);
+       if (tevent_req_nomem(subreq, req)) {
+               return tevent_req_post(req, ev);
+       }
+       tevent_req_set_callback(subreq, smb2cli_ioctl_done, req);
+       return req;
+}
+
+static void smb2cli_ioctl_done(struct tevent_req *subreq)
+{
+       struct tevent_req *req =
+               tevent_req_callback_data(subreq,
+               struct tevent_req);
+       NTSTATUS status;
+       struct iovec *iov;
+       static const struct smb2cli_req_expected_response expected[] = {
+       {
+               .status = NT_STATUS_OK,
+               .body_size = 0x11
+       }
+       };
+
+       status = smb2cli_req_recv(subreq, talloc_tos(), &iov,
+                                 expected, ARRAY_SIZE(expected));
+       if (tevent_req_nterror(req, status)) {
+               return;
+       }
+       tevent_req_done(req);
+}
+
+NTSTATUS smb2cli_ioctl_recv(struct tevent_req *req)
+{
+       return tevent_req_simple_recv_ntstatus(req);
+}
+
+NTSTATUS smb2cli_ioctl(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_ioctl_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_ioctl_recv(req);
+ fail:
+       TALLOC_FREE(frame);
+       return status;
+}