/// <summary>
/// Deep copy constructor.
/// </summary>
public SmbLockingAndxRequestPacket(SmbLockingAndxRequestPacket packet)
: base(packet)
{
this.InitDefaultValue();
this.smbParameters.WordCount = packet.SmbParameters.WordCount;
this.smbParameters.AndXCommand = packet.SmbParameters.AndXCommand;
this.smbParameters.AndXReserved = packet.SmbParameters.AndXReserved;
this.smbParameters.AndXOffset = packet.SmbParameters.AndXOffset;
this.smbParameters.FID = packet.SmbParameters.FID;
this.smbParameters.TypeOfLock = packet.SmbParameters.TypeOfLock;
this.smbParameters.NewOplockLevel = packet.SmbParameters.NewOplockLevel;
this.smbParameters.Timeout = packet.SmbParameters.Timeout;
this.smbParameters.NumberOfRequestedUnlocks = packet.SmbParameters.NumberOfRequestedUnlocks;
this.smbParameters.NumberOfRequestedLocks = packet.SmbParameters.NumberOfRequestedLocks;
this.smbData.ByteCount = packet.SmbData.ByteCount;
if (packet.smbData.Unlocks != null)
{
this.smbData.Unlocks = new Object[packet.smbData.Unlocks.Length];
for (int i = 0; i < packet.smbData.Unlocks.Length; i++)
{
this.smbData.Unlocks[i] = packet.smbData.Unlocks[i];
}
}
if (packet.smbData.Locks != null)
{
this.smbData.Locks = new Object[packet.smbData.Locks.Length];
for (int i = 0; i < packet.smbData.Locks.Length; i++)
{
this.smbData.Locks[i] = packet.smbData.Locks[i];
}
}
}
/// <summary>
/// Deep copy constructor.
/// </summary>
public SmbLockingAndxRequestPacket(SmbLockingAndxRequestPacket packet)
: base(packet)
{
this.InitDefaultValue();
this.smbParameters.WordCount = packet.SmbParameters.WordCount;
this.smbParameters.AndXCommand = packet.SmbParameters.AndXCommand;
this.smbParameters.AndXReserved = packet.SmbParameters.AndXReserved;
this.smbParameters.AndXOffset = packet.SmbParameters.AndXOffset;
this.smbParameters.FID = packet.SmbParameters.FID;
this.smbParameters.TypeOfLock = packet.SmbParameters.TypeOfLock;
this.smbParameters.NewOplockLevel = packet.SmbParameters.NewOplockLevel;
this.smbParameters.Timeout = packet.SmbParameters.Timeout;
this.smbParameters.NumberOfRequestedUnlocks = packet.SmbParameters.NumberOfRequestedUnlocks;
this.smbParameters.NumberOfRequestedLocks = packet.SmbParameters.NumberOfRequestedLocks;
this.smbData.ByteCount = packet.SmbData.ByteCount;
if (packet.smbData.Unlocks != null)
{
this.smbData.Unlocks = new Object[packet.smbData.Unlocks.Length];
for (int i = 0; i < packet.smbData.Unlocks.Length; i++)
{
this.smbData.Unlocks[i] = packet.smbData.Unlocks[i];
}
}
if (packet.smbData.Locks != null)
{
this.smbData.Locks = new Object[packet.smbData.Locks.Length];
for (int i = 0; i < packet.smbData.Locks.Length; i++)
{
this.smbData.Locks[i] = packet.smbData.Locks[i];
}
}
}
public SmbLockingAndxResponsePacket CreateLockingAndxResponse(
CifsServerPerConnection connection,
SmbLockingAndxRequestPacket request,
SmbPacket andxPacket)
{
SmbLockingAndxResponsePacket response = new SmbLockingAndxResponsePacket();
response.SmbHeader = CifsMessageUtils.CreateSmbHeader(connection, request);
SMB_COM_LOCKING_ANDX_Response_SMB_Parameters smbParameters = response.SmbParameters;
smbParameters.AndXCommand =
andxPacket != null ? andxPacket.SmbHeader.Command : SmbCommand.SMB_COM_NO_ANDX_COMMAND;
smbParameters.AndXReserved = 0x00;
smbParameters.AndXOffset = (ushort)(response.HeaderSize + Marshal.SizeOf(response.SmbParameters)
+ Marshal.SizeOf(response.SmbData));
smbParameters.WordCount = (byte)(TypeMarshal.GetBlockMemorySize(smbParameters) / 2);
response.SmbParameters = smbParameters;
response.AndxPacket = andxPacket;
response.UpdateHeader();
return response;
}
/// <summary>
/// to create a LockingAndx request packet.
/// </summary>
/// <param name="messageId">This field SHOULD be the multiplex ID that is used to associate a response with a
/// request.</param>
/// <param name="uid">This field SHOULD identify the authenticated instance of the user.</param>
/// <param name="treeId">This field identifies the subdirectory (or tree) on the server that the client is
/// accessing.</param>
/// <param name="flags">An 8-bit field of 1-bit flags describing various features in effect for the
/// message</param>
/// <param name="flags2">A 16-bit field of 1-bit flags that represent various features in effect for the
/// message. Unspecified bits are reserved and MUST be zero.</param>
/// <param name="fid">This field MUST be a valid 16-bit signed integer indicating the file from which the data
/// SHOULD be read</param>
/// <param name="typeOfLock">This field is a 8-bit unsigned integer bit mask indicating the nature of the lock
/// request and the format of the LOCKING_ANDX_RANGE data</param>
/// <param name="newOplockLevel">This field is valid only in SMB_COM_LOCKING_ANDX SMB requests sent from the
/// server to the client in response to a change in the existing Oplock's state</param>
/// <param name="timeout">This field is a 32-bit unsigned integer value</param>
/// <param name="unlocks">An array of byte ranges to be unlocked. If 32-bit offsets are being used, this field
/// uses LOCKING_ANDX_RANGE32 (see below) and is (10 * NumberOfRequestedUnlocks) bytes in length. If 64-bit
/// offsets are being used, this field uses LOCKING_ANDX_RANGE64 (see below) and is (20 *
/// NumberOfRequestedUnlocks) bytes in length.</param>
/// <param name="locks">An array of byte ranges to be locked. If 32-bit offsets are being used, this field uses
/// LOCKING_ANDX_RANGE32 (see below) and is (10 * NumberOfRequestedUnlocks) bytes in length. If 64-bit offsets
/// are being used, this field uses LOCKING_ANDX_RANGE64 (see below) and is (20 * NumberOfRequestedUnlocks)
/// bytes in length</param>
/// <param name="andxPacket">the andx packet.</param>
/// <returns>a LockingAndx request packet</returns>
public SmbLockingAndxRequestPacket CreateLockingAndxRequest(
ushort messageId,
ushort uid,
ushort treeId,
SmbFlags flags,
SmbFlags2 flags2,
ushort fid,
LockingAndxTypeOfLock typeOfLock,
NewOplockLevelValue newOplockLevel,
uint timeout,
Object[] unlocks,
Object[] locks,
SmbPacket andxPacket)
{
if (unlocks == null)
{
unlocks = new Object[0];
}
if (locks == null)
{
locks = new Object[0];
}
SmbLockingAndxRequestPacket packet = new SmbLockingAndxRequestPacket();
packet.SmbHeader = CifsMessageUtils.CreateSmbHeader(SmbCommand.SMB_COM_LOCKING_ANDX,
messageId, uid, treeId, flags, flags2);
SMB_COM_LOCKING_ANDX_Request_SMB_Parameters smbParameters =
new SMB_COM_LOCKING_ANDX_Request_SMB_Parameters();
if (andxPacket == null)
{
smbParameters.AndXCommand = SmbCommand.SMB_COM_NO_ANDX_COMMAND;
}
else
{
smbParameters.AndXCommand = andxPacket.SmbHeader.Command;
}
smbParameters.AndXReserved = 0;
smbParameters.FID = fid;
smbParameters.TypeOfLock = typeOfLock;
smbParameters.NewOplockLevel = newOplockLevel;
smbParameters.Timeout = timeout;
smbParameters.NumberOfRequestedUnlocks = (ushort)unlocks.Length;
smbParameters.NumberOfRequestedLocks = (ushort)locks.Length;
smbParameters.WordCount = (byte)(Marshal.SizeOf(smbParameters) / NumBytesOfWord);
SMB_COM_LOCKING_ANDX_Request_SMB_Data smbData = new SMB_COM_LOCKING_ANDX_Request_SMB_Data();
smbData.Locks = locks;
smbData.Unlocks = unlocks;
smbData.ByteCount = 0;
foreach (object lockItem in unlocks)
{
smbData.ByteCount += (ushort)Marshal.SizeOf(lockItem);
}
foreach (object lockItem in locks)
{
smbData.ByteCount += (ushort)Marshal.SizeOf(lockItem);
}
packet.SmbParameters = smbParameters;
packet.SmbData = smbData;
packet.AndxPacket = andxPacket;
return packet;
}
public SmbLockingAndxRequestPacket CreateLockingAndxRequest(
CifsServerPerOpenFile open,
NewOplockLevelValue newOplockLevel)
{
SmbLockingAndxRequestPacket request = new SmbLockingAndxRequestPacket();
SmbHeader smbHeader = new SmbHeader();
smbHeader.Protocol = CifsMessageUtils.SMB_PROTOCOL_IDENTIFIER;
smbHeader.Command = SmbCommand.SMB_COM_LOCKING_ANDX;
smbHeader.Uid = (ushort)open.Session.SessionId;
smbHeader.Tid = (ushort)open.TreeConnect.TreeConnectId;
smbHeader.Mid = CifsMessageUtils.INVALID_MID;
request.SmbHeader = smbHeader;
SMB_COM_LOCKING_ANDX_Request_SMB_Parameters smbParameters = request.SmbParameters;
smbParameters.FID = (ushort)open.FileId;
smbParameters.NewOplockLevel = newOplockLevel;
smbParameters.TypeOfLock = LockingAndxTypeOfLock.OPLOCK_RELEASE;
smbParameters.WordCount = (byte)(TypeMarshal.GetBlockMemorySize(smbParameters) / 2);
request.SmbParameters = smbParameters;
request.AndxPacket = null;
return request;
}
