public TreeConnectAndXRequest(byte[] buffer, int offset, bool isUnicode) : base(buffer, offset)
{
int parametersOffset = 4;
Flags = (TreeConnectFlags)LittleEndianReader.ReadUInt16(SMBParameters, ref parametersOffset);
ushort passwordLength = LittleEndianReader.ReadUInt16(SMBParameters, ref parametersOffset);
int dataOffset = 0;
Password = ByteReader.ReadBytes(SMBData, ref dataOffset, passwordLength);
if (isUnicode)
{
// wordCount is 1 byte
int padding = (1 + passwordLength) % 2;
dataOffset += padding;
}
Path = SMB1Helper.ReadSMBString(SMBData, ref dataOffset, isUnicode);
// Should be read as OEM string but it doesn't really matter
string serviceString = ByteReader.ReadNullTerminatedAnsiString(SMBData, ref dataOffset);
Service = ServiceNameHelper.GetServiceName(serviceString);
}
/// <summary>
/// Create tree connect request for client to access share of server. This command match all device type, and
/// must following the session setup.
/// </summary>
/// <param name = "messageId">the id of message, used to identity the request and the server response. </param>
/// <param name = "sessionUid">the valid session id, must be response by server of the session setup request. </param>
/// <param name = "flags">
/// The Flags field contains individual flags, as specified in [CIFS] sections 2.4.2 and 3.1.1.
/// </param>
/// <param name = "flags2">
/// The Flags2 field contains individual bit flags that, depending on the negotiated SMB dialect, indicate
/// various client and server capabilities.
/// </param>
/// <param name = "path">the share name to treeconnect to </param>
/// <param name = "services">
/// The type of resource that the client intends to access. This field MUST be a null-terminated array of OEM
/// characters even if the client and server have negotiated to use Unicode strings.
/// </param>
/// <param name = "treeConnectFlags">
/// A 16-bit field used to modify the SMB_COM_TREE_CONNECT_ANDX request.
/// </param>
/// <returns>a tree connect request packet. </returns>
private SmbTreeConnectAndxRequestPacket CreateTreeConnectRequest(
ushort messageId,
ushort sessionUid,
SmbHeader_Flags_Values flags,
SmbHeader_Flags2_Values flags2,
string path,
string services,
TreeConnectFlags treeConnectFlags)
{
return new SmbTreeConnectAndxRequestPacket(
this.cifsClient.CreateTreeConnectAndxRequest(
messageId, sessionUid, (SmbFlags)flags, (SmbFlags2)flags2,
(TreeConnectAndxFlags)treeConnectFlags, path, services, new byte[1], // null-terminated.
null));
}
/// <summary>
/// Create tree connect request for client to access share of server. This command match all device type, and
/// must follow the session setup.
/// </summary>
/// <param name="sessionUid">the valid session id, must be same as that of the response to the session setup request. </param>
/// <param name="path">the share name to treeconnect to server </param>
/// <param name="treeConnectFlags">the option to modify the SMB_COM_TREE_CONNECT_ANDX request.</param>
/// <returns>a tree connect request packet. </returns>
public virtual SmbTreeConnectAndxRequestPacket CreateTreeConnectRequest(
ushort sessionUid,
string path,
TreeConnectFlags treeConnectFlags)
{
return CreateTreeConnectRequest(
this.MessageId, sessionUid, this.capability.Flag,
this.capability.Flags2, path, TreeConnectService, treeConnectFlags);
}
/// <summary>
/// Create tree connect request for client to access share of server. This command match all device type, and
/// must follow the session setup.
/// </summary>
/// <param name="sessionUid">the valid session id, must be same as that of the response to the session setup request. </param>
/// <param name="path">the share name to treeconnect to server </param>
/// <returns>a tree connect request packet. </returns>
public virtual SmbTreeConnectAndxRequestPacket CreateTreeConnectRequest(
ushort sessionUid,
string path
)
{
TreeConnectFlags treeConnectFlags = new TreeConnectFlags();
if (Capability.IsSupportsExtendedSecurity)
{
treeConnectFlags =
TreeConnectFlags.TREE_CONNECT_ANDX_EXTENDED_RESPONSE
| TreeConnectFlags.TREE_CONNECT_ANDX_EXTENDED_SIGNATURES;
}
return CreateTreeConnectRequest(
this.MessageId, sessionUid, this.capability.Flag,
this.capability.Flags2, path, TreeConnectService, treeConnectFlags);
}