+
+ proto= getprotobyname("udp"); if (!proto) { r= ENOPROTOOPT; goto x_free; }
+ ads->udpsocket= socket(AF_INET,SOCK_DGRAM,proto->p_proto);
+ if (!ads->udpsocket) { r= errno; goto x_closeudp; }
+
+ memset(&udpaddr,0,sizeof(udpaddr));
+ udpaddr.sin_family= AF_INET;
+ udpaddr.sin_addr.s_addr= INADDR_ANY;
+ udpaddr.sin_port= 0;
+ r= bind(ads->udpsocket,&udpaddr,sizeof(udpaddr));
+ if (r) { r= errno; goto x_closeudp; }
+
+ udpaddrlen= sizeof(udpaddr);
+ r= getsockname(ads->udpsocket,&udpaddr,&udpaddrlen);
+ if (r) { r= errno; goto x_closeudp; }
+ if (udpaddr.sin_family != AF_INET) {
+ diag(ads,"network API error: UDP socket not AF_INET but %lu",
+ (unsigned long)udpaddr.sin_family);
+ r= EPROTOTYPE; goto x_closeudp;
+ }
+ debug(ads,"UDP socket is %s:%u",inet_ntoa(udpaddr.sin_addr),ntohs(udpaddr.sin_port));