/* 

   Unix SMB/CIFS implementation.

   SMB2 client write call

   Copyright (C) Andrew Tridgell 2005

   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 "libcli/smb2/smb2.h"

#include "libcli/smb2/smb2_calls.h"

/*

  send a write request

*/

struct smb2_request *smb2_write_send(struct smb2_tree *tree, struct smb2_write *io)

{

  NTSTATUS status;

  struct smb2_request *req;

  req = smb2_request_init_tree(tree, SMB2_OP_WRITE, 0x30, true, io->in.data.length);

  if (req == NULL) return NULL;

  status = smb2_push_o16s32_blob(&req->out, 0x02, io->in.data);

  if (!NT_STATUS_IS_OK(status)) {

    talloc_free(req);

    return NULL;

  }

  SBVAL(req->out.body, 0x08, io->in.offset);

  smb2_push_handle(req->out.body+0x10, &io->in.file.handle);

  SBVAL(req->out.body, 0x20, io->in.unknown1);

  SBVAL(req->out.body, 0x28, io->in.unknown2);

  smb2_transport_send(req);

  return req;

}

/*

  recv a write reply

*/

NTSTATUS smb2_write_recv(struct smb2_request *req, struct smb2_write *io)

{

  if (!smb2_request_receive(req) || 

      !smb2_request_is_ok(req)) {

    return smb2_request_destroy(req);

  }

  SMB2_CHECK_PACKET_RECV(req, 0x10, true);

  io->out._pad     = SVAL(req->in.body, 0x02);

  io->out.nwritten = IVAL(req->in.body, 0x04);

  io->out.unknown1 = BVAL(req->in.body, 0x08);

  return smb2_request_destroy(req);

}

/*

  sync write request

*/

NTSTATUS smb2_write(struct smb2_tree *tree, struct smb2_write *io)

{

  struct smb2_request *req = smb2_write_send(tree, io);

  return smb2_write_recv(req, io);

}