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NEX-18748 (Hyper-V 2016) VM goes to poweroff state when smbd is restarted
Reviewed by: Matt Barden <matt.barden@nexenta.com>
Reviewed by: Joyce McIntosh <joyce.mcintosh@nexenta.com>
NEX-1643 dtrace provider for smbsrv
Reviewed by: Evan Layton <evan.layton@nexenta.com>
Reviewed by: Matt Barden <matt.barden@nexenta.com>
SMB-122 smbd core dumps in smbd_dc_update / smb_log
SMB-117 Win7 fails to open security properties
SMB-11 SMB2 message parse & dispatch
SMB-12 SMB2 Negotiate Protocol
SMB-13 SMB2 Session Setup
SMB-14 SMB2 Logoff
SMB-15 SMB2 Tree Connect
SMB-16 SMB2 Tree Disconnect
SMB-17 SMB2 Create
SMB-18 SMB2 Close
SMB-19 SMB2 Flush
SMB-20 SMB2 Read
SMB-21 SMB2 Write
SMB-22 SMB2 Lock/Unlock
SMB-23 SMB2 Ioctl
SMB-24 SMB2 Cancel
SMB-25 SMB2 Echo
SMB-26 SMB2 Query Dir
SMB-27 SMB2 Change Notify
SMB-28 SMB2 Query Info
SMB-29 SMB2 Set Info
SMB-30 SMB2 Oplocks
SMB-53 SMB2 Create Context options
(SMB2 code review cleanup 1, 2, 3)
    
      
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          --- old/usr/src/uts/common/fs/smbsrv/smb2_close.c
          +++ new/usr/src/uts/common/fs/smbsrv/smb2_close.c
   1    1  /*
   2    2   * This file and its contents are supplied under the terms of the
  
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   3    3   * Common Development and Distribution License ("CDDL"), version 1.0.
   4    4   * You may only use this file in accordance with the terms of version
   5    5   * 1.0 of the CDDL.
   6    6   *
   7    7   * A full copy of the text of the CDDL should have accompanied this
   8    8   * source.  A copy of the CDDL is also available via the Internet at
   9    9   * http://www.illumos.org/license/CDDL.
  10   10   */
  11   11  
  12   12  /*
  13      - * Copyright 2014 Nexenta Systems, Inc.  All rights reserved.
       13 + * Copyright 2018 Nexenta Systems, Inc.  All rights reserved.
  14   14   */
  15   15  
  16   16  /*
  17   17   * Dispatch function for SMB2_CLOSE
  18   18   */
  19   19  
  20   20  #include <smbsrv/smb2_kproto.h>
  21   21  
  22   22  smb_sdrc_t
  23   23  smb2_close(smb_request_t *sr)
  24   24  {
  25   25          smb_attr_t attr;
  26   26          smb_ofile_t *of;
  27   27          uint16_t StructSize;
  28   28          uint16_t Flags;
  29   29          uint32_t reserved;
  30   30          smb2fid_t smb2fid;
  31   31          uint32_t status;
  32   32          int rc = 0;
  33   33  
  34   34          /*
  35   35           * SMB2 Close request
  36   36           */
  37   37          rc = smb_mbc_decodef(
  38   38              &sr->smb_data, "wwlqq",
  
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  39   39              &StructSize,                /* w */
  40   40              &Flags,                     /* w */
  41   41              &reserved,                  /* l */
  42   42              &smb2fid.persistent,        /* q */
  43   43              &smb2fid.temporal);         /* q */
  44   44          if (rc)
  45   45                  return (SDRC_ERROR);
  46   46          if (StructSize != 24)
  47   47                  return (SDRC_ERROR);
  48   48  
       49 +        /*
       50 +         * Want FID lookup before the start probe.
       51 +         */
  49   52          status = smb2sr_lookup_fid(sr, &smb2fid);
  50      -        if (status) {
  51      -                smb2sr_put_error(sr, status);
  52      -                return (SDRC_SUCCESS);
  53      -        }
  54   53          of = sr->fid_ofile;
  55   54  
       55 +        DTRACE_SMB2_START(op__Close, smb_request_t *, sr);
       56 +
       57 +        if (status)
       58 +                goto errout; /* Bad FID */
       59 +
  56   60          bzero(&attr, sizeof (attr));
  57   61          if (Flags & SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB) {
  58   62                  attr.sa_mask = SMB_AT_ALL;
  59   63                  status = smb2_ofile_getattr(sr, of, &attr);
  60   64                  if (status) {
  61   65                          /*
  62   66                           * We could not stat the open file.
  63   67                           * Let's not fail the close call,
  64   68                           * but just turn off the flag.
  65   69                           */
  66   70                          Flags = 0;
  67   71                  }
  68   72          }
  69   73  
       74 +        if (of->dh_persist)
       75 +                smb2_dh_setdoc_persistent(of);
  70   76          smb_ofile_close(of, 0);
  71   77  
       78 +errout:
       79 +        sr->smb2_status = status;
       80 +        DTRACE_SMB2_DONE(op__Close, smb_request_t *, sr);
       81 +
       82 +        if (status) {
       83 +                smb2sr_put_error(sr, status);
       84 +                return (SDRC_SUCCESS);
       85 +        }
       86 +
  72   87          /*
  73   88           * SMB2 Close reply
  74   89           */
  75   90          (void) smb_mbc_encodef(
  76   91              &sr->reply,
  77   92              "wwlTTTTqql",
  78   93              60, /* StructSize */        /* w */
  79   94              Flags,                      /* w */
  80   95              0, /* reserved */           /* l */
  81   96              &attr.sa_crtime,            /* T */
  82   97              &attr.sa_vattr.va_atime,    /* T */
  83   98              &attr.sa_vattr.va_mtime,    /* T */
  84   99              &attr.sa_vattr.va_ctime,    /* T */
  85  100              attr.sa_allocsz,            /* q */
  86  101              attr.sa_vattr.va_size,      /* q */
  87  102              attr.sa_dosattr);           /* l */
  88  103  
  89  104          return (SDRC_SUCCESS);
  90  105  }
    
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