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Change: use uint16 for Metadata SrcPort and DstPort

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This commit is contained in:
Dreamacro
2023-08-03 23:20:40 +08:00
parent 47b6eb1700
commit c0e51f8556
13 changed files with 63 additions and 58 deletions
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7
adapter/inbound/http.go
View File

@ -3,7 +3,6 @@ package inbound
import (
"net"
"net/netip"
"strconv"
C "github.com/Dreamacro/clash/constant"
"github.com/Dreamacro/clash/context"
@ -15,14 +14,14 @@ func NewHTTP(target socks5.Addr, source net.Addr, originTarget net.Addr, conn ne
metadata := parseSocksAddr(target)
metadata.NetWork = C.TCP
metadata.Type = C.HTTP
if ip, port, err := parseAddr(source.String()); err == nil {
if ip, port, err := parseAddr(source); err == nil {
metadata.SrcIP = ip
metadata.SrcPort = port
metadata.SrcPort = C.Port(port)
}
if originTarget != nil {
if addrPort, err := netip.ParseAddrPort(originTarget.String()); err == nil {
metadata.OriginDst = addrPort
metadata.InboundPort = strconv.Itoa(int(addrPort.Port()))
metadata.InboundPort = addrPort.Port()
}
}
return context.NewConnContext(conn, metadata)

7
adapter/inbound/https.go
View File

@ -4,7 +4,6 @@ import (
"net"
"net/http"
"net/netip"
"strconv"
C "github.com/Dreamacro/clash/constant"
"github.com/Dreamacro/clash/context"
@ -14,13 +13,13 @@ import (
func NewHTTPS(request *http.Request, conn net.Conn) *context.ConnContext {
metadata := parseHTTPAddr(request)
metadata.Type = C.HTTPCONNECT
if ip, port, err := parseAddr(conn.RemoteAddr().String()); err == nil {
if ip, port, err := parseAddr(conn.RemoteAddr()); err == nil {
metadata.SrcIP = ip
metadata.SrcPort = port
metadata.SrcPort = C.Port(port)
}
if addrPort, err := netip.ParseAddrPort(conn.LocalAddr().String()); err == nil {
metadata.OriginDst = addrPort
metadata.InboundPort = strconv.Itoa(int(addrPort.Port()))
metadata.InboundPort = addrPort.Port()
}
return context.NewConnContext(conn, metadata)
}

4
adapter/inbound/packet.go
View File

@ -24,9 +24,9 @@ func NewPacket(target socks5.Addr, originTarget net.Addr, packet C.UDPPacket, so
metadata := parseSocksAddr(target)
metadata.NetWork = C.UDP
metadata.Type = source
if ip, port, err := parseAddr(packet.LocalAddr().String()); err == nil {
if ip, port, err := parseAddr(packet.LocalAddr()); err == nil {
metadata.SrcIP = ip
metadata.SrcPort = port
metadata.SrcPort = C.Port(port)
}
if originTarget != nil {
if addrPort, err := netip.ParseAddrPort(originTarget.String()); err == nil {

7
adapter/inbound/socket.go
View File

@ -3,7 +3,6 @@ package inbound
import (
"net"
"net/netip"
"strconv"
C "github.com/Dreamacro/clash/constant"
"github.com/Dreamacro/clash/context"
@ -15,13 +14,13 @@ func NewSocket(target socks5.Addr, conn net.Conn, source C.Type) *context.ConnCo
metadata := parseSocksAddr(target)
metadata.NetWork = C.TCP
metadata.Type = source
if ip, port, err := parseAddr(conn.RemoteAddr().String()); err == nil {
if ip, port, err := parseAddr(conn.RemoteAddr()); err == nil {
metadata.SrcIP = ip
metadata.SrcPort = port
metadata.SrcPort = C.Port(port)
}
if addrPort, err := netip.ParseAddrPort(conn.LocalAddr().String()); err == nil {
metadata.OriginDst = addrPort
metadata.InboundPort = strconv.Itoa(int(addrPort.Port()))
metadata.InboundPort = addrPort.Port()
}
return context.NewConnContext(conn, metadata)
}

30
adapter/inbound/util.go
View File

@ -1,11 +1,13 @@
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"
)
@ -17,15 +19,15 @@ func parseSocksAddr(target socks5.Addr) *C.Metadata {
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]))
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 = strconv.Itoa((int(target[1+net.IPv4len]) << 8) | int(target[1+net.IPv4len+1]))
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 = strconv.Itoa((int(target[1+net.IPv6len]) << 8) | int(target[1+net.IPv6len+1]))
metadata.DstPort = C.Port((int(target[1+net.IPv6len]) << 8) | int(target[1+net.IPv6len+1]))
}
return metadata
@ -33,10 +35,7 @@ func parseSocksAddr(target socks5.Addr) *C.Metadata {
func parseHTTPAddr(request *http.Request) *C.Metadata {
host := request.URL.Hostname()
port := request.URL.Port()
if port == "" {
port = "80"
}
port, _ := strconv.ParseUint(util.EmptyOr(request.URL.Port(), "80"), 10, 16)
// trim FQDN (#737)
host = strings.TrimRight(host, ".")
@ -45,7 +44,7 @@ func parseHTTPAddr(request *http.Request) *C.Metadata {
NetWork: C.TCP,
Host: host,
DstIP: nil,
DstPort: port,
DstPort: C.Port(port),
}
if ip := net.ParseIP(host); ip != nil {
@ -55,12 +54,13 @@ func parseHTTPAddr(request *http.Request) *C.Metadata {
return metadata
}
func parseAddr(addr string) (net.IP, string, error) {
host, port, err := net.SplitHostPort(addr)
if err != nil {
return nil, "", err
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())
}
ip := net.ParseIP(host)
return ip, port, nil
}