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