internal static SMB2Command GetTreeConnectResponse(TreeConnectRequest request, SMB2ConnectionState state, NamedPipeShare services, SMBShareCollection shares)
{
SMB2Session session = state.GetSession(request.Header.SessionID);
TreeConnectResponse response = new TreeConnectResponse();
string shareName = ServerPathUtils.GetShareName(request.Path);
ISMBShare share;
ShareType shareType;
ShareFlags shareFlags;
if (String.Equals(shareName, NamedPipeShare.NamedPipeShareName, StringComparison.OrdinalIgnoreCase))
{
share = services;
shareType = ShareType.Pipe;
shareFlags = ShareFlags.NoCaching;
}
else
{
share = shares.GetShareFromName(shareName);
if (share == null)
{
return(new ErrorResponse(request.CommandName, NTStatus.STATUS_OBJECT_PATH_NOT_FOUND));
}
shareType = ShareType.Disk;
shareFlags = GetShareCachingFlags(((FileSystemShare)share).CachingPolicy);
if (!((FileSystemShare)share).HasReadAccess(session.SecurityContext, @"\"))
{
state.LogToServer(Severity.Verbose, "Tree Connect to '{0}' failed. User '{1}' was denied access.", share.Name, session.UserName);
return(new ErrorResponse(request.CommandName, NTStatus.STATUS_ACCESS_DENIED));
}
}
uint?treeID = session.AddConnectedTree(share);
if (!treeID.HasValue)
{
return(new ErrorResponse(request.CommandName, NTStatus.STATUS_INSUFF_SERVER_RESOURCES));
}
state.LogToServer(Severity.Information, "Tree Connect: User '{0}' connected to '{1}' (SessionID: {2}, TreeID: {3})", session.UserName, share.Name, request.Header.SessionID, treeID.Value);
response.Header.TreeID = treeID.Value;
response.ShareType = shareType;
response.ShareFlags = shareFlags;
response.MaximalAccess = (AccessMask)(FileAccessMask.FILE_READ_DATA | FileAccessMask.FILE_WRITE_DATA | FileAccessMask.FILE_APPEND_DATA |
FileAccessMask.FILE_READ_EA | FileAccessMask.FILE_WRITE_EA |
FileAccessMask.FILE_EXECUTE |
FileAccessMask.FILE_READ_ATTRIBUTES | FileAccessMask.FILE_WRITE_ATTRIBUTES) |
AccessMask.DELETE | AccessMask.READ_CONTROL | AccessMask.WRITE_DAC | AccessMask.WRITE_OWNER | AccessMask.SYNCHRONIZE;
return(response);
}
public static SMB2Body CreateSMB2Body(byte[] vs, int offset, ESMB2Command eSMB2Command, SMB2HeaderFlags smb2HeaderFlags, NTStateType ntState)
{
SMB2Body sMB2Body = null;
if (smb2HeaderFlags.HasFlag(SMB2HeaderFlags.ServerToRedir))
{
if (ntState == NTStateType.Success || ntState == NTStateType.MoreProcessingRequired || ntState == NTStateType.LogonFailure)
{
switch (eSMB2Command)
{
case ESMB2Command.NEGOTIATE: sMB2Body = NegotiateResponse.Parser(vs, offset); break;
case ESMB2Command.SESSION_SETUP: sMB2Body = SessionSetupResponse.Parser(vs, offset); break;
case ESMB2Command.TREE_CONNECT: sMB2Body = TreeConnectResponse.Parser(vs, offset); break;
case ESMB2Command.LOGOFF:
case ESMB2Command.TREE_DISCONNECT: sMB2Body = LogoffAndTreeDisconnect.Parser(vs, offset); break;
case ESMB2Command.CREATE: sMB2Body = CreateResponse.Parser(vs, offset); break;
case ESMB2Command.CLOSE: sMB2Body = CloseResponse.Parser(vs, offset); break;
case ESMB2Command.WRITE: sMB2Body = WriteResponse.Parser(vs, offset); break;
case ESMB2Command.READ: sMB2Body = ReadResponse.Parser(vs, offset); break;
case ESMB2Command.IOCTL: sMB2Body = IOCTLResponse.Parser(vs, offset); break;
default: throw new Exception("UnKnow SMB2 Command");
}
}
else
{
sMB2Body = ErrorResponse.Parser(vs, offset);
}
}
else
{
throw new NotImplementedException();
}
return(sMB2Body);
}
