1 /*
   2  * This file and its contents are supplied under the terms of the
   3  * Common Development and Distribution License ("CDDL"), version 1.0.
   4  * You may only use this file in accordance with the terms of version
   5  * 1.0 of the CDDL.
   6  *
   7  * A full copy of the text of the CDDL should have accompanied this
   8  * source.  A copy of the CDDL is also available via the Internet at
   9  * http://www.illumos.org/license/CDDL.
  10  */
  11 
  12 /*
  13  * Copyright 2017 Nexenta Systems, Inc.  All rights reserved.
  14  * Copyright 2016 Syneto S.R.L. All rights reserved.
  15  */
  16 
  17 /*
  18  * Dispatch function for SMB2_FLUSH
  19  */
  20 
  21 #include <smbsrv/smb2_kproto.h>
  22 #include <smbsrv/smb_fsops.h>
  23 
  24 smb_sdrc_t
  25 smb2_flush(smb_request_t *sr)
  26 {
  27         uint16_t StructSize;
  28         uint16_t reserved1;
  29         uint32_t reserved2;
  30         smb2fid_t smb2fid;
  31         uint32_t status;
  32         int rc = 0;
  33 
  34         /*
  35          * Decode SMB2 Flush request
  36          */
  37         rc = smb_mbc_decodef(
  38             &sr->smb_data, "wwlqq",
  39             &StructSize,            /* w */
  40             &reserved1,                     /* w */
  41             &reserved2,                     /* l */
  42             &smb2fid.persistent,    /* q */
  43             &smb2fid.temporal);             /* q */
  44         if (rc || StructSize != 24)
  45                 return (SDRC_ERROR);
  46 
  47         /*
  48          * Want FID lookup before the start probe.
  49          */
  50         status = smb2sr_lookup_fid(sr, &smb2fid);
  51         DTRACE_SMB2_START(op__Flush, smb_request_t *, sr);
  52 
  53         if (status == 0)
  54                 smb_ofile_flush(sr, sr->fid_ofile);
  55 
  56         sr->smb2_status = status;
  57         DTRACE_SMB2_DONE(op__Flush, smb_request_t *, sr);
  58 
  59         if (status) {
  60                 smb2sr_put_error(sr, status);
  61                 return (SDRC_SUCCESS);
  62         }
  63 
  64         /*
  65          * SMB2 Flush reply
  66          */
  67         (void) smb_mbc_encodef(
  68             &sr->reply, "wwl",
  69             4,  /* StructSize */        /* w */
  70             0); /* reserved */          /* w */
  71 
  72         return (SDRC_SUCCESS);
  73 }