mirror of https://github.com/Dreamacro/clash.git
67 lines
1.5 KiB
Go
67 lines
1.5 KiB
Go
package inbound
|
|
|
|
import (
|
|
"fmt"
|
|
"net"
|
|
"net/http"
|
|
"strconv"
|
|
"strings"
|
|
|
|
"github.com/Dreamacro/clash/common/util"
|
|
C "github.com/Dreamacro/clash/constant"
|
|
"github.com/Dreamacro/clash/transport/socks5"
|
|
)
|
|
|
|
func parseSocksAddr(target socks5.Addr) *C.Metadata {
|
|
metadata := &C.Metadata{}
|
|
|
|
switch target[0] {
|
|
case socks5.AtypDomainName:
|
|
// trim for FQDN
|
|
metadata.Host = strings.TrimRight(string(target[2:2+target[1]]), ".")
|
|
metadata.DstPort = C.Port((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 = C.Port((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 = C.Port((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, _ := strconv.ParseUint(util.EmptyOr(request.URL.Port(), "80"), 10, 16)
|
|
|
|
// trim FQDN (#737)
|
|
host = strings.TrimRight(host, ".")
|
|
|
|
metadata := &C.Metadata{
|
|
NetWork: C.TCP,
|
|
Host: host,
|
|
DstIP: nil,
|
|
DstPort: C.Port(port),
|
|
}
|
|
|
|
if ip := net.ParseIP(host); ip != nil {
|
|
metadata.DstIP = ip
|
|
}
|
|
|
|
return metadata
|
|
}
|
|
|
|
func parseAddr(addr net.Addr) (net.IP, int, error) {
|
|
switch a := addr.(type) {
|
|
case *net.TCPAddr:
|
|
return a.IP, a.Port, nil
|
|
case *net.UDPAddr:
|
|
return a.IP, a.Port, nil
|
|
default:
|
|
return nil, 0, fmt.Errorf("unknown address type %s", addr.String())
|
|
}
|
|
}
|