package inbound import ( "net" "net/http" "strconv" "strings" C "github.com/Dreamacro/clash/constant" "github.com/Dreamacro/clash/transport/socks5" ) func parseSocksAddr(target socks5.Addr) *C.Metadata { metadata := &C.Metadata{ AddrType: int(target[0]), } switch target[0] { case socks5.AtypDomainName: // trim for FQDN metadata.Host = strings.TrimRight(string(target[2:2+target[1]]), ".") metadata.DstPort = strconv.Itoa((int(target[2+target[1]]) << 8) | int(target[2+target[1]+1])) case socks5.AtypIPv4: ip := net.IP(target[1 : 1+net.IPv4len]) metadata.DstIP = ip metadata.DstPort = strconv.Itoa((int(target[1+net.IPv4len]) << 8) | int(target[1+net.IPv4len+1])) case socks5.AtypIPv6: ip := net.IP(target[1 : 1+net.IPv6len]) metadata.DstIP = ip metadata.DstPort = strconv.Itoa((int(target[1+net.IPv6len]) << 8) | int(target[1+net.IPv6len+1])) } return metadata } func parseHTTPAddr(request *http.Request) *C.Metadata { host := request.URL.Hostname() port := request.URL.Port() if port == "" { port = "80" } // trim FQDN (#737) host = strings.TrimRight(host, ".") metadata := &C.Metadata{ NetWork: C.TCP, AddrType: C.AtypDomainName, Host: host, DstIP: nil, DstPort: port, } ip := net.ParseIP(host) if ip != nil { switch { case ip.To4() == nil: metadata.AddrType = C.AtypIPv6 default: metadata.AddrType = C.AtypIPv4 } metadata.DstIP = ip } return metadata } func parseAddr(addr string) (net.IP, string, error) { host, port, err := net.SplitHostPort(addr) if err != nil { return nil, "", err } ip := net.ParseIP(host) return ip, port, nil }