/// <summary>
/// Send a Dfs request to server
/// </summary>
/// <param name="payload">REQ_GET_DFS_REFERRAL structure in byte array</param>
/// <param name="isEX">
/// Boolean which indicates whether payload contains DFS_GET_REFERRAL_EX message
/// MUST be false for SMB transport.
/// </param>>
/// <exception cref="System.ArgumentNullException">the payload to be sent is null.</exception>
/// <exception cref="ArgumentException">extended request packet cannot be in payload</exception>
/// <exception cref="System.InvalidOperationException">The transport is not connected</exception>
public override void SendDfscPayload(byte[] payload, bool isEX)
{
if (isEX)
{
throw new ArgumentException("REQ_DFS_GET_REFERRAL_EX message not supported over SMB transport");
}
if (this.smbClient == null)
{
throw new InvalidOperationException("The transport is not connected.");
}
if (payload == null)
{
throw new ArgumentNullException("payload");
}
REQ_GET_DFS_REFERRAL referral = new REQ_GET_DFS_REFERRAL();
// Put payload[0] into the lower byte of MaxReferralLevel
// Put payload[1] into the upper byte of MaxReferralLevel
// Sample: payload[0] = 0x0B; payload[1] = 0x0A
// MaxReferralLevel = 0x0A0B;
referral.MaxReferralLevel = (ushort)(payload[1] << 8 | payload[0]);
referral.RequestFileName = new byte[payload.Length - sizeofMaxReferralLevel];
Array.Copy(payload, sizeofMaxReferralLevel, referral.RequestFileName, 0, referral.RequestFileName.Length);
SmbTrans2GetDfsReferralRequestPacket request = this.smbClient.CreateTrans2GetDFSReferralRequest(
this.treeId, Trans2SmbParametersFlags.NONE, "", referral);
if (this.isSignRequired)
{
request.Sign(this.NextSequenceNumber, this.sessionKey);
}
this.smbClient.SendPacket(request);
}
/// <summary>
/// find the transaction2 packet.
/// </summary>
/// <param name="command">the command of transaction2 packet.</param>
/// <returns>the target transaction2 packet</returns>
private static SmbPacket FindTheTrans2Packet(Trans2SubCommand command)
{
SmbPacket smbPacket = null;
switch ((Trans2SubCommand)command)
{
case Trans2SubCommand.TRANS2_FIND_FIRST2:
smbPacket = new SmbTrans2FindFirst2RequestPacket();
break;
case Trans2SubCommand.TRANS2_FIND_NEXT2:
smbPacket = new SmbTrans2FindNext2RequestPacket();
break;
case Trans2SubCommand.TRANS2_QUERY_FS_INFORMATION:
smbPacket = new SmbTrans2QueryFsInformationRequestPacket();
break;
case Trans2SubCommand.TRANS2_SET_FS_INFORMATION:
smbPacket = new SmbTrans2SetFsInformationRequestPacket();
break;
case Trans2SubCommand.TRANS2_QUERY_PATH_INFORMATION:
smbPacket = new SmbTrans2QueryPathInformationRequestPacket();
break;
case Trans2SubCommand.TRANS2_SET_PATH_INFORMATION:
smbPacket = new SmbTrans2SetPathInformationRequestPacket();
break;
case Trans2SubCommand.TRANS2_QUERY_FILE_INFORMATION:
smbPacket = new SmbTrans2QueryFileInformationRequestPacket();
break;
case Trans2SubCommand.TRANS2_SET_FILE_INFORMATION:
smbPacket = new SmbTrans2SetFileInformationRequestPacket();
break;
case Trans2SubCommand.TRANS2_GET_DFS_REFERRAL:
smbPacket = new SmbTrans2GetDfsReferralRequestPacket();
break;
default:
break;
}
return(smbPacket);
}
/// <summary>
/// Deep copy constructor.
/// </summary>
public SmbTrans2GetDfsReferralRequestPacket(SmbTrans2GetDfsReferralRequestPacket packet)
: base(packet)
{
}
/// <summary>
/// Deep copy constructor.
/// </summary>
public SmbTrans2GetDfsReferralRequestPacket(SmbTrans2GetDfsReferralRequestPacket packet)
: base(packet)
{
}
/// <summary>
/// find the transaction2 packet.
/// </summary>
/// <param name="command">the command of transaction2 packet.</param>
/// <returns>the target transaction2 packet</returns>
private static SmbPacket FindTheTrans2Packet(Trans2SubCommand command)
{
SmbPacket smbPacket = null;
switch ((Trans2SubCommand)command)
{
case Trans2SubCommand.TRANS2_FIND_FIRST2:
smbPacket = new SmbTrans2FindFirst2RequestPacket();
break;
case Trans2SubCommand.TRANS2_FIND_NEXT2:
smbPacket = new SmbTrans2FindNext2RequestPacket();
break;
case Trans2SubCommand.TRANS2_QUERY_FS_INFORMATION:
smbPacket = new SmbTrans2QueryFsInformationRequestPacket();
break;
case Trans2SubCommand.TRANS2_SET_FS_INFORMATION:
smbPacket = new SmbTrans2SetFsInformationRequestPacket();
break;
case Trans2SubCommand.TRANS2_QUERY_PATH_INFORMATION:
smbPacket = new SmbTrans2QueryPathInformationRequestPacket();
break;
case Trans2SubCommand.TRANS2_SET_PATH_INFORMATION:
smbPacket = new SmbTrans2SetPathInformationRequestPacket();
break;
case Trans2SubCommand.TRANS2_QUERY_FILE_INFORMATION:
smbPacket = new SmbTrans2QueryFileInformationRequestPacket();
break;
case Trans2SubCommand.TRANS2_SET_FILE_INFORMATION:
smbPacket = new SmbTrans2SetFileInformationRequestPacket();
break;
case Trans2SubCommand.TRANS2_GET_DFS_REFERRAL:
smbPacket = new SmbTrans2GetDfsReferralRequestPacket();
break;
default:
break;
}
return smbPacket;
}