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SMB2: Improved LockRequest implementation

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Tal Aloni 2017-08-31 13:59:51 +03:00
parent 4e4a416fd5
commit f96e6fe404
1 changed files with 4 additions and 4 deletions
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8
SMBLibrary/SMB2/Commands/LockRequest.cs
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@ -18,7 +18,7 @@ namespace SMBLibrary.SMB2
public const int DeclaredSize = 48; public const int DeclaredSize = 48;
private ushort StructureSize; private ushort StructureSize;
public ushort LockCount; // ushort LockCount;
public byte LSN; // 4 bits public byte LSN; // 4 bits
public uint LockSequenceIndex; // 28 bits public uint LockSequenceIndex; // 28 bits
public FileID FileId; public FileID FileId;
@ -32,18 +32,18 @@ namespace SMBLibrary.SMB2
public LockRequest(byte[] buffer, int offset) : base(buffer, offset) public LockRequest(byte[] buffer, int offset) : base(buffer, offset)
{ {
StructureSize = LittleEndianConverter.ToUInt16(buffer, offset + SMB2Header.Length + 0); StructureSize = LittleEndianConverter.ToUInt16(buffer, offset + SMB2Header.Length + 0);
LockCount = LittleEndianConverter.ToUInt16(buffer, offset + SMB2Header.Length + 2); ushort lockCount = LittleEndianConverter.ToUInt16(buffer, offset + SMB2Header.Length + 2);
uint temp = LittleEndianConverter.ToUInt32(buffer, offset + SMB2Header.Length + 4); uint temp = LittleEndianConverter.ToUInt32(buffer, offset + SMB2Header.Length + 4);
LSN = (byte)(temp >> 28); LSN = (byte)(temp >> 28);
LockSequenceIndex = (temp & 0x0FFFFFFF); LockSequenceIndex = (temp & 0x0FFFFFFF);
FileId = new FileID(buffer, offset + SMB2Header.Length + 8); FileId = new FileID(buffer, offset + SMB2Header.Length + 8);
Locks = LockElement.ReadLockList(buffer, offset + SMB2Header.Length + 24, (int)LockCount); Locks = LockElement.ReadLockList(buffer, offset + SMB2Header.Length + 24, (int)lockCount);
} }
public override void WriteCommandBytes(byte[] buffer, int offset) public override void WriteCommandBytes(byte[] buffer, int offset)
{ {
LittleEndianWriter.WriteUInt16(buffer, offset + 0, StructureSize); LittleEndianWriter.WriteUInt16(buffer, offset + 0, StructureSize);
LittleEndianWriter.WriteUInt16(buffer, offset + 2, LockCount); LittleEndianWriter.WriteUInt16(buffer, offset + 2, (ushort)Locks.Count);
LittleEndianWriter.WriteUInt32(buffer, offset + 4, (uint)(LSN & 0x0F) << 28 | (uint)(LockSequenceIndex & 0x0FFFFFFF)); LittleEndianWriter.WriteUInt32(buffer, offset + 4, (uint)(LSN & 0x0F) << 28 | (uint)(LockSequenceIndex & 0x0FFFFFFF));
FileId.WriteBytes(buffer, offset + 8); FileId.WriteBytes(buffer, offset + 8);
LockElement.WriteLockList(buffer, offset + 24, Locks); LockElement.WriteLockList(buffer, offset + 24, Locks);