void CIFSParser::parse_packet()

in src/analysis/cifs_parser.cpp [86:122]

• 33 lines of code
• 9 McCabe index (conditional complexity)

void CIFSParser::parse_packet(const CIFSv2::MessageHeader* header, utils::FilteredDataQueue::Ptr&& ptr)
{
    using namespace NST::API::SMBv2;
    using namespace NST::protocols::CIFSv2;

    if(header->isFlag(Flags::SERVER_TO_REDIR))
    {
        // It is response
        if(Session* session = sessions.get_session(ptr->session, ptr->direction, MsgType::REPLY))
        {
            FilteredDataQueue::Ptr&& requestData = session->get_call_data(header->messageId);
            if(requestData)
            {
                if(const MessageHeader* request = get_header(requestData->data))
                {
                    return analyse_operation(session, request, header, std::move(requestData), std::move(ptr));
                }
                LOG("Can't find request for response");
            }
            LOG("Can't find request's raw data for response");
        }
    }
    else
    {
        // It is request
        if(Session* session = sessions.get_session(ptr->session, ptr->direction, MsgType::CALL))
        {
            // It is async request
            if(header->isFlag(Flags::ASYNC_COMMAND))
            {
                return analyse_operation(session, header, nullptr, std::move(ptr), std::move(nullptr));
            }
            return session->save_call_data(header->messageId, std::move(ptr));
        }
        LOG("Can't get right CIFS session");
    }
}