package adapters import ( "net" "net/http" "strconv" C "github.com/Dreamacro/clash/constant" "github.com/Dreamacro/go-shadowsocks2/socks" ) func parseSocksAddr(target socks.Addr) *C.Metadata { var host, port string var ip net.IP switch target[0] { case socks.AtypDomainName: host = string(target[2 : 2+target[1]]) port = strconv.Itoa((int(target[2+target[1]]) << 8) | int(target[2+target[1]+1])) ipAddr, err := net.ResolveIPAddr("ip", host) if err == nil { ip = ipAddr.IP } case socks.AtypIPv4: ip = net.IP(target[1 : 1+net.IPv4len]) port = strconv.Itoa((int(target[1+net.IPv4len]) << 8) | int(target[1+net.IPv4len+1])) case socks.AtypIPv6: ip = net.IP(target[1 : 1+net.IPv6len]) port = strconv.Itoa((int(target[1+net.IPv6len]) << 8) | int(target[1+net.IPv6len+1])) } return &C.Metadata{ NetWork: C.TCP, AddrType: int(target[0]), Host: host, IP: &ip, Port: port, } } func parseHTTPAddr(request *http.Request) *C.Metadata { host := request.URL.Hostname() port := request.URL.Port() if port == "" { port = "80" } ipAddr, err := net.ResolveIPAddr("ip", host) var resolveIP *net.IP if err == nil { resolveIP = &ipAddr.IP } var addType int ip := net.ParseIP(host) switch { case ip == nil: addType = socks.AtypDomainName case ip.To4() == nil: addType = socks.AtypIPv6 default: addType = socks.AtypIPv4 } return &C.Metadata{ NetWork: C.TCP, AddrType: addType, Host: host, IP: resolveIP, Port: port, } }