一种新的穿透防火墙的数据传输技术

                    OpenProcess(PROCESS_ALL_ACCESS, TRUE, PID),
                    (HANDLE)h_info[i].Handle,
                    GetCurrentProcess(),
                    &sock,
                    STANDARD_RIGHTS_REQUIRED,
                    true,
                    DUPLICATE_SAME_ACCESS)
                    )
                {
                    printf("DuplicateHandle wrong:%8x", GetLastError());
                    continue;
                }

                //printf("DuplicateHandle ok\n");
                sockaddr_in name = {0};
                name.sin_family = AF_INET;
                int namelen = sizeof(sockaddr_in);
                getsockname( (SOCKET)sock, (sockaddr*)&name, &namelen );
                //printf("PORT=%5d\n",    ntohs( name.sin_port ));
                if(ntohs(name.sin_port)>0)    // if port > 0, then we can use it
                    break;
            }
        }
        catch(...)
        {

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TAG标签:	技术 防火墙 if NULL return printf // the buf 进程