smbd-adm.txt

   1
   2 MS-FSA:
   3
   4         Per Open (Volatile):
   5
   6                 RootOpen - Share
   7                 FileName - absolute/relative to root?
   8                 File
   9                 Link
  10                 Stream
  11                 Privileges - (backup/restore/symlink/manage volume/is_admin)
  12                 GrantedAccess
  13                 RemainingDesiredAccess
  14                 SharingAccess
  15                 Per Directory:
  16                         search mask, search index...
  17                         some more stuff...
  18                 UserSetModTime
  19                 UserSetWriteTime
  20                 NextEAEntry
  21                 OplockKey (guid)
  22
  23         Per Brlock (Volatile):
  24                 LockOffset
  25                 LockLength
  26                 IsExclusive
  27                 OwnerOpen
  28
  29         Per NotifyEntryWatch (Volatile):
  30                 ...
  31
  32         Per RHOpcontext (Volatile):
  33                 Open
  34                 BreakingToRead
  35
  36         Per Oplock (Volatile per Stream):
  37                 ExclusiveOpen: 1 Open
  38                 Level2Opens: 0..x Opens
  39                 ReadOpens: 0..x Opens
  40                 ReadHandleOpens: 0..x Opens
  41                 ReadHandleBreakQueue: 0..x RHOpContexts
  42                 WaitList: 0..x Opens waiting for Breaks
  43                 State: all kind of flags
  44                         NO_OPLOCK
  45                         LEVEL_ONE_OPLOCK
  46                         BATCH_OPLOCK
  47                         LEVEL_TWO_OPLOCK
  48                         EXCLUSIVE
  49                         BREAK_TO_TWO
  50                         BREAK_TO_NONE
  51                         BREAK_TO_TWO_TO_NONE
  52                         READ_CACHING
  53                         HANDLE_CACHING
  54                         WRITE_CACHING ???
  55
  56         Per File (Persistent):
  57                 FileType: file or directory
  58                 FileID: uint64_t unique (inode?)
  59                 FileNumber: uint64_t unique (seqnum?)
  60                 LinkList: 1..x links (dir => x == 1)
  61                 SecurityDescriptor:
  62                 FileAttributes:
  63                 CreationTime:
  64                 LastModificationTime:
  65                 LastChangeTime:
  66                 LastAccessTime:
  67                 ExtendedAttributes:
  68                 ExtendedAttributesLength:
  69                 ObjectId: guid maybe NULL
  70                 BirthVolumeId: guid
  71                 BirthObjectId: guid maybe NULL
  72                 StreamList:
  73                 ReparseTag: uint32_t
  74                 ReparseGUID: guid
  75                 ReparseData:
  76                 DirectoryList: for directories only
  77                 Volume:
  78                 Usn: uint64_t
  79                 IsSymbolicLink:
  80                 UserCertificateList:
  81                 Volatile Fields:
  82                         OpenList:
  83                         PendingNotifications: uint32_t ??? for directories only
  84
  85         Per Link (Persistent):
  86                 Name: 1..256 chars (UTF16 or UCS2?)
  87                 ShortName: maybe NULL
  88                 File:
  89                 ParentFile:
  90                 IsDeleted:
  91                 Volatile Fields:
  92                         PendingNotifications: uint32_t ??? for directories only
  93
  94         Per Stream (Persistent):
  95                 StreamType: data or directory stream
  96                 Name: 256 chars (UTF16 or UCS2)
  97                 Size: uint64_t
  98                 AllocationSize: uint64_t multiple of File.Volume.ClusterSize.
  99                 ValidDataLength: uint64_t (optional)
 100                 File:
 101                 IsCompressed:
 102                 IsSparse:
 103                 IsTemporary:
 104                 IsEncrypted:
 105                 ExtentList:
 106                 Volatile Fields:
 107                         Oplock: maybe NULL
 108                         ByteRangeLockList:
 109                         IsDeleted:
 110                         IsDefectManagementDisabled:
 111                         PendingNotifications: uint32_t ??? for directories only
 112                         ZeroOnDeallocate:
 113
 114
 115
 116 SMB 2.10:
 117 - session reauth
 118 - branch cache hash
 119 - multi-credit on port 445
 120 - lease and resilience
 121
 122
 123 The SMB 2.1 dialect introduces the following enhancements:
 124 - Allowing a client to indicate support for multiple SMB 2 dialects in a multi-protocol negotiate
 125 request.
 126 - Allowing a client to obtain and preserve client caching state across multiple opens from the same
 127 client.
 128 - Allowing a client to mark individual write operations on unbuffered handles to be treated as
 129 write-through.
 130 - Allowing a client to retrieve hashes of a file for use in branch cache retrieval, as specified in [MS-
 131 PCCRC].