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Refactor: metadata use netip.Addr

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This commit is contained in:
yaling888 2022-04-20 01:52:51 +08:00 committed by adlyq
parent 6c4791480e
commit 7ca1a03d73
45 changed files with 374 additions and 346 deletions
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18
adapter/adapter.go
View file

@ -6,6 +6,7 @@ import (
"fmt"
"net"
"net/http"
"net/netip"
"net/url"
"strings"
"time"
@ -64,9 +65,9 @@ func (p *Proxy) ListenPacketContext(ctx context.Context, metadata *C.Metadata, o
// DelayHistory implements C.Proxy
func (p *Proxy) DelayHistory() []C.DelayHistory {
queue := p.history.Copy()
queueM := p.history.Copy()
histories := []C.DelayHistory{}
for _, item := range queue {
for _, item := range queueM {
histories = append(histories, item)
}
return histories
@ -95,7 +96,7 @@ func (p *Proxy) MarshalJSON() ([]byte, error) {
}
mapping := map[string]any{}
json.Unmarshal(inner, &mapping)
_ = json.Unmarshal(inner, &mapping)
mapping["history"] = p.DelayHistory()
mapping["name"] = p.Name()
mapping["udp"] = p.SupportUDP()
@ -129,7 +130,9 @@ func (p *Proxy) URLTest(ctx context.Context, url string) (t uint16, err error) {
if err != nil {
return
}
defer instance.Close()
defer func() {
_ = instance.Close()
}()
req, err := http.NewRequest(http.MethodHead, url, nil)
if err != nil {
@ -138,7 +141,7 @@ func (p *Proxy) URLTest(ctx context.Context, url string) (t uint16, err error) {
req = req.WithContext(ctx)
transport := &http.Transport{
Dial: func(string, string) (net.Conn, error) {
DialContext: func(context.Context, string, string) (net.Conn, error) {
return instance, nil
},
// from http.DefaultTransport
@ -167,8 +170,7 @@ func (p *Proxy) URLTest(ctx context.Context, url string) (t uint16, err error) {
return
}
}
resp.Body.Close()
_ = resp.Body.Close()
t = uint16(time.Since(start) / time.Millisecond)
return
}
@ -199,7 +201,7 @@ func urlToMetadata(rawURL string) (addr C.Metadata, err error) {
addr = C.Metadata{
AddrType: C.AtypDomainName,
Host: u.Hostname(),
DstIP: nil,
DstIP: netip.Addr{},
DstPort: port,
}
return

2
adapter/inbound/socket.go
View file

@ -37,7 +37,7 @@ func NewInner(conn net.Conn, dst string, host string) *context.ConnContext {
metadata.DstPort = port
if host == "" {
metadata.DstIP = ip
if ip.To4() == nil {
if ip.Is4() {
metadata.AddrType = C.AtypIPv6
} else {
metadata.AddrType = C.AtypIPv4

24
adapter/inbound/util.go
View file

@ -3,9 +3,11 @@ package inbound
import (
"net"
"net/http"
"net/netip"
"strconv"
"strings"
"github.com/Dreamacro/clash/common/nnip"
C "github.com/Dreamacro/clash/constant"
"github.com/Dreamacro/clash/transport/socks5"
)
@ -21,12 +23,10 @@ func parseSocksAddr(target socks5.Addr) *C.Metadata {
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.DstIP = nnip.IpToAddr(net.IP(target[1 : 1+net.IPv4len]))
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.DstIP = nnip.IpToAddr(net.IP(target[1 : 1+net.IPv6len]))
metadata.DstPort = strconv.Itoa((int(target[1+net.IPv6len]) << 8) | int(target[1+net.IPv6len+1]))
}
@ -47,14 +47,14 @@ func parseHTTPAddr(request *http.Request) *C.Metadata {
NetWork: C.TCP,
AddrType: C.AtypDomainName,
Host: host,
DstIP: nil,
DstIP: netip.Addr{},
DstPort: port,
}
ip := net.ParseIP(host)
if ip != nil {
ip, err := netip.ParseAddr(host)
if err == nil {
switch {
case ip.To4() == nil:
case ip.Is6():
metadata.AddrType = C.AtypIPv6
default:
metadata.AddrType = C.AtypIPv4
@ -65,12 +65,12 @@ func parseHTTPAddr(request *http.Request) *C.Metadata {
return metadata
}
func parseAddr(addr string) (net.IP, string, error) {
func parseAddr(addr string) (netip.Addr, string, error) {
host, port, err := net.SplitHostPort(addr)
if err != nil {
return nil, "", err
return netip.Addr{}, "", err
}
ip := net.ParseIP(host)
return ip, port, nil
ip, err := netip.ParseAddr(host)
return ip, port, err
}

14
adapter/outbound/util.go
View file

@ -22,8 +22,8 @@ var (
func tcpKeepAlive(c net.Conn) {
if tcp, ok := c.(*net.TCPConn); ok {
tcp.SetKeepAlive(true)
tcp.SetKeepAlivePeriod(30 * time.Second)
_ = tcp.SetKeepAlive(true)
_ = tcp.SetKeepAlivePeriod(30 * time.Second)
}
}
@ -48,14 +48,14 @@ func serializesSocksAddr(metadata *C.Metadata) []byte {
port := []byte{uint8(p >> 8), uint8(p & 0xff)}
switch metadata.AddrType {
case socks5.AtypDomainName:
len := uint8(len(metadata.Host))
lenM := uint8(len(metadata.Host))
host := []byte(metadata.Host)
buf = [][]byte{{aType, len}, host, port}
buf = [][]byte{{aType, lenM}, host, port}
case socks5.AtypIPv4:
host := metadata.DstIP.To4()
host := metadata.DstIP.AsSlice()
buf = [][]byte{{aType}, host, port}
case socks5.AtypIPv6:
host := metadata.DstIP.To16()
host := metadata.DstIP.AsSlice()
buf = [][]byte{{aType}, host, port}
}
return bytes.Join(buf, nil)
@ -76,6 +76,6 @@ func resolveUDPAddr(network, address string) (*net.UDPAddr, error) {
func safeConnClose(c net.Conn, err error) {
if err != nil {
c.Close()
_ = c.Close()
}
}

4
adapter/outbound/vless.go
View file

@ -259,11 +259,11 @@ func parseVlessAddr(metadata *C.Metadata) *vless.DstAddr {
case C.AtypIPv4:
addrType = byte(vless.AtypIPv4)
addr = make([]byte, net.IPv4len)
copy(addr[:], metadata.DstIP.To4())
copy(addr[:], metadata.DstIP.AsSlice())
case C.AtypIPv6:
addrType = byte(vless.AtypIPv6)
addr = make([]byte, net.IPv6len)
copy(addr[:], metadata.DstIP.To16())
copy(addr[:], metadata.DstIP.AsSlice())
case C.AtypDomainName:
addrType = byte(vless.AtypDomainName)
addr = make([]byte, len(metadata.Host)+1)

4
adapter/outbound/vmess.go
View file

@ -342,11 +342,11 @@ func parseVmessAddr(metadata *C.Metadata) *vmess.DstAddr {
case C.AtypIPv4:
addrType = byte(vmess.AtypIPv4)
addr = make([]byte, net.IPv4len)
copy(addr[:], metadata.DstIP.To4())
copy(addr[:], metadata.DstIP.AsSlice())
case C.AtypIPv6:
addrType = byte(vmess.AtypIPv6)
addr = make([]byte, net.IPv6len)
copy(addr[:], metadata.DstIP.To16())
copy(addr[:], metadata.DstIP.AsSlice())
case C.AtypDomainName:
addrType = byte(vmess.AtypDomainName)
addr = make([]byte, len(metadata.Host)+1)

2
adapter/outboundgroup/loadbalance.go
View file

@ -51,7 +51,7 @@ func getKey(metadata *C.Metadata) string {
}
}
if metadata.DstIP == nil {
if !metadata.DstIP.IsValid() {
return ""
}

15
adapter/outboundgroup/util.go
View file

@ -3,6 +3,7 @@ package outboundgroup
import (
"fmt"
"net"
"net/netip"
"time"
C "github.com/Dreamacro/clash/constant"
@ -15,20 +16,20 @@ func addrToMetadata(rawAddress string) (addr *C.Metadata, err error) {
return
}
ip := net.ParseIP(host)
if ip == nil {
ip, err := netip.ParseAddr(host)
if err != nil {
addr = &C.Metadata{
AddrType: C.AtypDomainName,
Host: host,
DstIP: nil,
DstIP: netip.Addr{},
DstPort: port,
}
return
} else if ip4 := ip.To4(); ip4 != nil {
} else if ip.Is4() {
addr = &C.Metadata{
AddrType: C.AtypIPv4,
Host: "",
DstIP: ip4,
DstIP: ip,
DstPort: port,
}
return
@ -45,7 +46,7 @@ func addrToMetadata(rawAddress string) (addr *C.Metadata, err error) {
func tcpKeepAlive(c net.Conn) {
if tcp, ok := c.(*net.TCPConn); ok {
tcp.SetKeepAlive(true)
tcp.SetKeepAlivePeriod(30 * time.Second)
_ = tcp.SetKeepAlive(true)
_ = tcp.SetKeepAlivePeriod(30 * time.Second)
}
}

22
component/dhcp/dhcp.go
View file

@ -4,7 +4,9 @@ import (
"context"
"errors"
"net"
"net/netip"
"github.com/Dreamacro/clash/common/nnip"
"github.com/Dreamacro/clash/component/iface"
"github.com/insomniacslk/dhcp/dhcpv4"
@ -15,14 +17,16 @@ var (
ErrNotFound = errors.New("DNS option not found")
)
func ResolveDNSFromDHCP(context context.Context, ifaceName string) ([]net.IP, error) {
func ResolveDNSFromDHCP(context context.Context, ifaceName string) ([]netip.Addr, error) {
conn, err := ListenDHCPClient(context, ifaceName)
if err != nil {
return nil, err
}
defer conn.Close()
defer func() {
_ = conn.Close()
}()
result := make(chan []net.IP, 1)
result := make(chan []netip.Addr, 1)
ifaceObj, err := iface.ResolveInterface(ifaceName)
if err != nil {
@ -52,7 +56,7 @@ func ResolveDNSFromDHCP(context context.Context, ifaceName string) ([]net.IP, er
}
}
func receiveOffer(conn net.PacketConn, id dhcpv4.TransactionID, result chan<- []net.IP) {
func receiveOffer(conn net.PacketConn, id dhcpv4.TransactionID, result chan<- []netip.Addr) {
defer close(result)
buf := make([]byte, dhcpv4.MaxMessageSize)
@ -77,11 +81,17 @@ func receiveOffer(conn net.PacketConn, id dhcpv4.TransactionID, result chan<- []
}
dns := pkt.DNS()
if len(dns) == 0 {
l := len(dns)
if l == 0 {
return
}
result <- dns
dnsAddr := make([]netip.Addr, l)
for i := 0; i < l; i++ {
dnsAddr[i] = nnip.IpToAddr(dns[i])
}
result <- dnsAddr
return
}

12
component/dialer/bind_darwin.go
View file

@ -2,6 +2,7 @@ package dialer
import (
"net"
"net/netip"
"syscall"
"github.com/Dreamacro/clash/component/iface"
@ -19,12 +20,9 @@ func bindControl(ifaceIdx int, chain controlFn) controlFn {
}
}()
ipStr, _, err := net.SplitHostPort(address)
if err == nil {
ip := net.ParseIP(ipStr)
if ip != nil && !ip.IsGlobalUnicast() {
return
}
addrPort, err := netip.ParseAddrPort(address)
if err == nil && !addrPort.Addr().IsGlobalUnicast() {
return
}
var innerErr error
@ -45,7 +43,7 @@ func bindControl(ifaceIdx int, chain controlFn) controlFn {
}
}
func bindIfaceToDialer(ifaceName string, dialer *net.Dialer, _ string, _ net.IP) error {
func bindIfaceToDialer(ifaceName string, dialer *net.Dialer, _ string, _ netip.Addr) error {
ifaceObj, err := iface.ResolveInterface(ifaceName)
if err != nil {
return err

12
component/dialer/bind_linux.go
View file

@ -2,6 +2,7 @@ package dialer
import (
"net"
"net/netip"
"syscall"
"golang.org/x/sys/unix"
@ -17,12 +18,9 @@ func bindControl(ifaceName string, chain controlFn) controlFn {
}
}()
ipStr, _, err := net.SplitHostPort(address)
if err == nil {
ip := net.ParseIP(ipStr)
if ip != nil && !ip.IsGlobalUnicast() {
return
}
addrPort, err := netip.ParseAddrPort(address)
if err == nil && !addrPort.Addr().IsGlobalUnicast() {
return
}
var innerErr error
@ -38,7 +36,7 @@ func bindControl(ifaceName string, chain controlFn) controlFn {
}
}
func bindIfaceToDialer(ifaceName string, dialer *net.Dialer, _ string, _ net.IP) error {
func bindIfaceToDialer(ifaceName string, dialer *net.Dialer, _ string, _ netip.Addr) error {
dialer.Control = bindControl(ifaceName, dialer.Control)
return nil

17
component/dialer/bind_others.go
View file

@ -4,27 +4,28 @@ package dialer
import (
"net"
"net/netip"
"strconv"
"strings"
"github.com/Dreamacro/clash/component/iface"
)
func lookupLocalAddr(ifaceName string, network string, destination net.IP, port int) (net.Addr, error) {
func lookupLocalAddr(ifaceName string, network string, destination netip.Addr, port int) (net.Addr, error) {
ifaceObj, err := iface.ResolveInterface(ifaceName)
if err != nil {
return nil, err
}
var addr *net.IPNet
var addr *netip.Prefix
switch network {
case "udp4", "tcp4":
addr, err = ifaceObj.PickIPv4Addr(destination)
case "tcp6", "udp6":
addr, err = ifaceObj.PickIPv6Addr(destination)
default:
if destination != nil {
if destination.To4() != nil {
if destination.IsValid() {
if destination.Is4() {
addr, err = ifaceObj.PickIPv4Addr(destination)
} else {
addr, err = ifaceObj.PickIPv6Addr(destination)
@ -39,12 +40,12 @@ func lookupLocalAddr(ifaceName string, network string, destination net.IP, port
if strings.HasPrefix(network, "tcp") {
return &net.TCPAddr{
IP: addr.IP,
IP: addr.Addr().AsSlice(),
Port: port,
}, nil
} else if strings.HasPrefix(network, "udp") {
return &net.UDPAddr{
IP: addr.IP,
IP: addr.Addr().AsSlice(),
Port: port,
}, nil
}
@ -52,7 +53,7 @@ func lookupLocalAddr(ifaceName string, network string, destination net.IP, port
return nil, iface.ErrAddrNotFound
}
func bindIfaceToDialer(ifaceName string, dialer *net.Dialer, network string, destination net.IP) error {
func bindIfaceToDialer(ifaceName string, dialer *net.Dialer, network string, destination netip.Addr) error {
if !destination.IsGlobalUnicast() {
return nil
}
@ -83,7 +84,7 @@ func bindIfaceToListenConfig(ifaceName string, _ *net.ListenConfig, network, add
local, _ := strconv.ParseUint(port, 10, 16)
addr, err := lookupLocalAddr(ifaceName, network, nil, int(local))
addr, err := lookupLocalAddr(ifaceName, network, netip.Addr{}, int(local))
if err != nil {
return "", err
}

9
component/dialer/dialer.go
View file

@ -4,6 +4,7 @@ import (
"context"
"errors"
"net"
"net/netip"
"github.com/Dreamacro/clash/component/resolver"
)
@ -29,7 +30,7 @@ func DialContext(ctx context.Context, network, address string, options ...Option
return nil, err
}
var ip net.IP
var ip netip.Addr
switch network {
case "tcp4", "udp4":
if !opt.direct {
@ -88,7 +89,7 @@ func ListenPacket(ctx context.Context, network, address string, options ...Optio
return lc.ListenPacket(ctx, network, address)
}
func dialContext(ctx context.Context, network string, destination net.IP, port string, opt *option) (net.Conn, error) {
func dialContext(ctx context.Context, network string, destination netip.Addr, port string, opt *option) (net.Conn, error) {
dialer := &net.Dialer{}
if opt.interfaceName != "" {
if err := bindIfaceToDialer(opt.interfaceName, dialer, network, destination); err != nil {
@ -128,12 +129,12 @@ func dualStackDialContext(ctx context.Context, network, address string, opt *opt
case results <- result:
case <-returned:
if result.Conn != nil {
result.Conn.Close()
_ = result.Conn.Close()
}
}
}()
var ip net.IP
var ip netip.Addr
if ipv6 {
if !direct {
ip, result.error = resolver.ResolveIPv6ProxyServerHost(host)

18
component/dialer/mark_linux.go
View file

@ -4,14 +4,15 @@ package dialer
import (
"net"
"net/netip"
"syscall"
)
func bindMarkToDialer(mark int, dialer *net.Dialer, _ string, _ net.IP) {
func bindMarkToDialer(mark int, dialer *net.Dialer, _ string, _ netip.Addr) {
dialer.Control = bindMarkToControl(mark, dialer.Control)
}
func bindMarkToListenConfig(mark int, lc *net.ListenConfig, _, address string) {
func bindMarkToListenConfig(mark int, lc *net.ListenConfig, _, _ string) {
lc.Control = bindMarkToControl(mark, lc.Control)
}
@ -23,20 +24,17 @@ func bindMarkToControl(mark int, chain controlFn) controlFn {
}
}()
ipStr, _, err := net.SplitHostPort(address)
if err == nil {
ip := net.ParseIP(ipStr)
if ip != nil && !ip.IsGlobalUnicast() {
return
}
addrPort, err := netip.ParseAddrPort(address)
if err == nil && !addrPort.Addr().IsGlobalUnicast() {
return
}
return c.Control(func(fd uintptr) {
switch network {
case "tcp4", "udp4":
syscall.SetsockoptInt(int(fd), syscall.SOL_SOCKET, syscall.SO_MARK, mark)
_ = syscall.SetsockoptInt(int(fd), syscall.SOL_SOCKET, syscall.SO_MARK, mark)
case "tcp6", "udp6":
syscall.SetsockoptInt(int(fd), syscall.SOL_SOCKET, syscall.SO_MARK, mark)
_ = syscall.SetsockoptInt(int(fd), syscall.SOL_SOCKET, syscall.SO_MARK, mark)
}
})
}

5
component/dialer/mark_nonlinux.go
View file

@ -4,6 +4,7 @@ package dialer
import (
"net"
"net/netip"
"sync"
"github.com/Dreamacro/clash/log"
@ -17,10 +18,10 @@ func printMarkWarn() {
})
}
func bindMarkToDialer(mark int, dialer *net.Dialer, _ string, _ net.IP) {
func bindMarkToDialer(mark int, dialer *net.Dialer, _ string, _ netip.Addr) {
printMarkWarn()
}
func bindMarkToListenConfig(mark int, lc *net.ListenConfig, _, address string) {
func bindMarkToListenConfig(mark int, lc *net.ListenConfig, _, _ string) {
printMarkWarn()
}

7
component/dialer/resolver.go
View file

@ -3,6 +3,7 @@ package dialer
import (
"context"
"net"
"net/netip"
)
func init() {
@ -18,9 +19,9 @@ func resolverDialContext(ctx context.Context, network, address string) (net.Conn
interfaceName := DefaultInterface.Load()
if interfaceName != "" {
dstIP := net.ParseIP(address)
if dstIP != nil {
bindIfaceToDialer(interfaceName, d, network, dstIP)
dstIP, err := netip.ParseAddr(address)
if err == nil {
_ = bindIfaceToDialer(interfaceName, d, network, dstIP)
}
}

37
component/iface/iface.go
View file

@ -3,6 +3,7 @@ package iface
import (
"errors"
"net"
"net/netip"
"time"
"github.com/Dreamacro/clash/common/singledo"
@ -11,7 +12,7 @@ import (
type Interface struct {
Index int
Name string
Addrs []*net.IPNet
Addrs []*netip.Prefix
HardwareAddr net.HardwareAddr
}
@ -37,14 +38,18 @@ func ResolveInterface(name string) (*Interface, error) {
continue
}
ipNets := make([]*net.IPNet, 0, len(addrs))
ipNets := make([]*netip.Prefix, 0, len(addrs))
for _, addr := range addrs {
ipNet := addr.(*net.IPNet)
if v4 := ipNet.IP.To4(); v4 != nil {
ipNet.IP = v4
ip, _ := netip.AddrFromSlice(ipNet.IP)
ones, bits := ipNet.Mask.Size()
if bits == 32 {
ip = ip.Unmap()
}
ipNets = append(ipNets, ipNet)
pf := netip.PrefixFrom(ip, ones)
ipNets = append(ipNets, &pf)
}
r[iface.Name] = &Interface{
@ -74,35 +79,35 @@ func FlushCache() {
interfaces.Reset()
}
func (iface *Interface) PickIPv4Addr(destination net.IP) (*net.IPNet, error) {
return iface.pickIPAddr(destination, func(addr *net.IPNet) bool {
return addr.IP.To4() != nil
func (iface *Interface) PickIPv4Addr(destination netip.Addr) (*netip.Prefix, error) {
return iface.pickIPAddr(destination, func(addr *netip.Prefix) bool {
return addr.Addr().Is4()
})
}
func (iface *Interface) PickIPv6Addr(destination net.IP) (*net.IPNet, error) {
return iface.pickIPAddr(destination, func(addr *net.IPNet) bool {
return addr.IP.To4() == nil
func (iface *Interface) PickIPv6Addr(destination netip.Addr) (*netip.Prefix, error) {
return iface.pickIPAddr(destination, func(addr *netip.Prefix) bool {
return addr.Addr().Is6()
})
}
func (iface *Interface) pickIPAddr(destination net.IP, accept func(addr *net.IPNet) bool) (*net.IPNet, error) {
var fallback *net.IPNet
func (iface *Interface) pickIPAddr(destination netip.Addr, accept func(addr *netip.Prefix) bool) (*netip.Prefix, error) {
var fallback *netip.Prefix
for _, addr := range iface.Addrs {
if !accept(addr) {
continue
}
if fallback == nil && !addr.IP.IsLinkLocalUnicast() {
if fallback == nil && !addr.Addr().IsLinkLocalUnicast() {
fallback = addr
if destination == nil {
if !destination.IsValid() {
break
}
}
if destination != nil && addr.Contains(destination) {
if destination.IsValid() && addr.Contains(destination) {
return addr, nil
}
}

18
component/process/process.go
View file

@ -3,8 +3,10 @@ package process
import (
"errors"
"net"
"net/netip"
"runtime"
"github.com/Dreamacro/clash/common/nnip"
C "github.com/Dreamacro/clash/constant"
)
@ -19,7 +21,7 @@ const (
UDP = "udp"
)
func FindProcessName(network string, srcIP net.IP, srcPort int) (string, error) {
func FindProcessName(network string, srcIP netip.Addr, srcPort int) (string, error) {
return findProcessName(network, srcIP, srcPort)
}
@ -31,23 +33,23 @@ func ShouldFindProcess(metadata *C.Metadata) bool {
return false
}
for _, ip := range localIPs {
if ip.Equal(metadata.SrcIP) {
if ip == metadata.SrcIP {
return true
}
}
return false
}
func AppendLocalIPs(ip ...net.IP) {
func AppendLocalIPs(ip ...netip.Addr) {
localIPs = append(ip, localIPs...)
}
func getLocalIPs() []net.IP {
ips := []net.IP{net.IPv4zero, net.IPv6zero}
func getLocalIPs() []netip.Addr {
ips := []netip.Addr{netip.IPv4Unspecified(), netip.IPv6Unspecified()}
netInterfaces, err := net.Interfaces()
if err != nil {
ips = append(ips, net.IPv4(127, 0, 0, 1), net.IPv6loopback)
ips = append(ips, netip.AddrFrom4([4]byte{127, 0, 0, 1}), nnip.IpToAddr(net.IPv6loopback))
return ips
}
@ -57,7 +59,7 @@ func getLocalIPs() []net.IP {
for _, address := range adds {
if ipNet, ok := address.(*net.IPNet); ok {
ips = append(ips, ipNet.IP)
ips = append(ips, nnip.IpToAddr(ipNet.IP))
}
}
}
@ -66,7 +68,7 @@ func getLocalIPs() []net.IP {
return ips
}
var localIPs []net.IP
var localIPs []netip.Addr
func init() {
localIPs = getLocalIPs()

16
component/process/process_darwin.go
View file

@ -2,10 +2,12 @@ package process
import (
"encoding/binary"
"net"
"net/netip"
"syscall"
"unsafe"
"github.com/Dreamacro/clash/common/nnip"
"golang.org/x/sys/unix"
)
@ -15,7 +17,7 @@ const (
proccallnumpidinfo = 0x2
)
func findProcessName(network string, ip net.IP, port int) (string, error) {
func findProcessName(network string, ip netip.Addr, port int) (string, error) {
var spath string
switch network {
case TCP:
@ -26,7 +28,7 @@ func findProcessName(network string, ip net.IP, port int) (string, error) {
return "", ErrInvalidNetwork
}
isIPv4 := ip.To4() != nil
isIPv4 := ip.Is4()
value, err := syscall.Sysctl(spath)
if err != nil {
@ -57,19 +59,19 @@ func findProcessName(network string, ip net.IP, port int) (string, error) {
// xinpcb_n.inp_vflag
flag := buf[inp+44]
var srcIP net.IP
var srcIP netip.Addr
switch {
case flag&0x1 > 0 && isIPv4:
// ipv4
srcIP = net.IP(buf[inp+76 : inp+80])
srcIP = nnip.IpToAddr(buf[inp+76 : inp+80])
case flag&0x2 > 0 && !isIPv4:
// ipv6
srcIP = net.IP(buf[inp+64 : inp+80])
srcIP = nnip.IpToAddr(buf[inp+64 : inp+80])
default:
continue
}
if !ip.Equal(srcIP) && (network == TCP || !srcIP.IsUnspecified()) {
if ip != srcIP && (network == TCP || !srcIP.IsUnspecified()) {
continue
}

17
component/process/process_freebsd_amd64.go
View file

@ -3,13 +3,14 @@ package process
import (
"encoding/binary"
"fmt"
"net"
"net/netip"
"strconv"
"strings"
"sync"
"syscall"
"unsafe"
"github.com/Dreamacro/clash/common/nnip"
"github.com/Dreamacro/clash/log"
)
@ -20,7 +21,7 @@ var (
once sync.Once
)
func findProcessName(network string, ip net.IP, srcPort int) (string, error) {
func findProcessName(network string, ip netip.Addr, srcPort int) (string, error) {
once.Do(func() {
if err := initSearcher(); err != nil {
log.Errorln("Initialize PROCESS-NAME failed: %s", err.Error())
@ -102,7 +103,7 @@ type searcher struct {
pid int
}
func (s *searcher) Search(buf []byte, ip net.IP, port uint16, isTCP bool) (uint32, error) {
func (s *searcher) Search(buf []byte, ip netip.Addr, port uint16, isTCP bool) (uint32, error) {
var itemSize int
var inpOffset int
@ -116,7 +117,7 @@ func (s *searcher) Search(buf []byte, ip net.IP, port uint16, isTCP bool) (uint3
inpOffset = s.udpInpOffset
}
isIPv4 := ip.To4() != nil
isIPv4 := ip.Is4()
// skip the first xinpgen block
for i := s.headSize; i+itemSize <= len(buf); i += itemSize {
inp := i + inpOffset
@ -130,19 +131,19 @@ func (s *searcher) Search(buf []byte, ip net.IP, port uint16, isTCP bool) (uint3
// xinpcb.inp_vflag
flag := buf[inp+s.vflag]
var srcIP net.IP
var srcIP netip.Addr
switch {
case flag&0x1 > 0 && isIPv4:
// ipv4
srcIP = net.IP(buf[inp+s.ip : inp+s.ip+4])
srcIP = nnip.IpToAddr(buf[inp+s.ip : inp+s.ip+4])
case flag&0x2 > 0 && !isIPv4:
// ipv6
srcIP = net.IP(buf[inp+s.ip-12 : inp+s.ip+4])
srcIP = nnip.IpToAddr(buf[inp+s.ip-12 : inp+s.ip+4])
default:
continue
}
if !ip.Equal(srcIP) {
if ip != srcIP {
continue
}

27
component/process/process_linux.go
View file

@ -5,6 +5,7 @@ import (
"encoding/binary"
"fmt"
"net"
"net/netip"
"os"
"path"
"strings"
@ -31,7 +32,7 @@ const (
pathProc = "/proc"
)
func findProcessName(network string, ip net.IP, srcPort int) (string, error) {
func findProcessName(network string, ip netip.Addr, srcPort int) (string, error) {
inode, uid, err := resolveSocketByNetlink(network, ip, srcPort)
if err != nil {
return "", err
@ -40,7 +41,7 @@ func findProcessName(network string, ip net.IP, srcPort int) (string, error) {
return resolveProcessNameByProcSearch(inode, uid)
}
func resolveSocketByNetlink(network string, ip net.IP, srcPort int) (int32, int32, error) {
func resolveSocketByNetlink(network string, ip netip.Addr, srcPort int) (int32, int32, error) {
var family byte
var protocol byte
@ -53,7 +54,7 @@ func resolveSocketByNetlink(network string, ip net.IP, srcPort int) (int32, int3
return 0, 0, ErrInvalidNetwork
}
if ip.To4() != nil {
if ip.Is4() {
family = syscall.AF_INET
} else {
family = syscall.AF_INET6
@ -65,10 +66,12 @@ func resolveSocketByNetlink(network string, ip net.IP, srcPort int) (int32, int3
if err != nil {
return 0, 0, fmt.Errorf("dial netlink: %w", err)
}
defer syscall.Close(socket)
defer func() {
_ = syscall.Close(socket)
}()
syscall.SetsockoptTimeval(socket, syscall.SOL_SOCKET, syscall.SO_SNDTIMEO, &syscall.Timeval{Usec: 100})
syscall.SetsockoptTimeval(socket, syscall.SOL_SOCKET, syscall.SO_RCVTIMEO, &syscall.Timeval{Usec: 100})
_ = syscall.SetsockoptTimeval(socket, syscall.SOL_SOCKET, syscall.SO_SNDTIMEO, &syscall.Timeval{Usec: 100})
_ = syscall.SetsockoptTimeval(socket, syscall.SOL_SOCKET, syscall.SO_RCVTIMEO, &syscall.Timeval{Usec: 100})
if err := syscall.Connect(socket, &syscall.SockaddrNetlink{
Family: syscall.AF_NETLINK,
@ -84,7 +87,9 @@ func resolveSocketByNetlink(network string, ip net.IP, srcPort int) (int32, int3
}
rb := pool.Get(pool.RelayBufferSize)
defer pool.Put(rb)
defer func() {
_ = pool.Put(rb)
}()
n, err := syscall.Read(socket, rb)
if err != nil {
@ -111,14 +116,10 @@ func resolveSocketByNetlink(network string, ip net.IP, srcPort int) (int32, int3
return inode, uid, nil
}
func packSocketDiagRequest(family, protocol byte, source net.IP, sourcePort uint16) []byte {
func packSocketDiagRequest(family, protocol byte, source netip.Addr, sourcePort uint16) []byte {
s := make([]byte, 16)
if v4 := source.To4(); v4 != nil {
copy(s, v4)
} else {
copy(s, source)
}
copy(s, source.AsSlice())
buf := make([]byte, sizeOfSocketDiagRequest)

4
component/process/process_other.go
View file

@ -2,8 +2,8 @@
package process
import "net"
import "net/netip"
func findProcessName(network string, ip net.IP, srcPort int) (string, error) {
func findProcessName(network string, ip netip.Addr, srcPort int) (string, error) {
return "", ErrPlatformNotSupport
}

13
component/process/process_windows.go
View file

@ -2,11 +2,12 @@ package process
import (
"fmt"
"net"
"net/netip"
"sync"
"syscall"
"unsafe"
"github.com/Dreamacro/clash/common/nnip"
"github.com/Dreamacro/clash/log"
"golang.org/x/sys/windows"
@ -57,7 +58,7 @@ func initWin32API() error {
return nil
}
func findProcessName(network string, ip net.IP, srcPort int) (string, error) {
func findProcessName(network string, ip netip.Addr, srcPort int) (string, error) {
once.Do(func() {
err := initWin32API()
if err != nil {
@ -67,7 +68,7 @@ func findProcessName(network string, ip net.IP, srcPort int) (string, error) {
}
})
family := windows.AF_INET
if ip.To4() == nil {
if ip.Is6() {
family = windows.AF_INET6
}
@ -107,7 +108,7 @@ type searcher struct {
tcpState int
}
func (s *searcher) Search(b []byte, ip net.IP, port uint16) (uint32, error) {
func (s *searcher) Search(b []byte, ip netip.Addr, port uint16) (uint32, error) {
n := int(readNativeUint32(b[:4]))
itemSize := s.itemSize
for i := 0; i < n; i++ {
@ -131,9 +132,9 @@ func (s *searcher) Search(b []byte, ip net.IP, port uint16) (uint32, error) {
continue
}
srcIP := net.IP(row[s.ip : s.ip+s.ipSize])
srcIP := nnip.IpToAddr(row[s.ip : s.ip+s.ipSize])
// windows binds an unbound udp socket to 0.0.0.0/[::] while first sendto
if !ip.Equal(srcIP) && (!srcIP.IsUnspecified() || s.tcpState != -1) {
if ip != srcIP && (!srcIP.IsUnspecified() || s.tcpState != -1) {
continue
}

24
component/resolver/enhancer.go
View file

@ -1,20 +1,18 @@
package resolver
import (
"net"
)
import "net/netip"
var DefaultHostMapper Enhancer
type Enhancer interface {
FakeIPEnabled() bool
MappingEnabled() bool
IsFakeIP(net.IP) bool
IsFakeBroadcastIP(net.IP) bool
IsExistFakeIP(net.IP) bool
FindHostByIP(net.IP) (string, bool)
IsFakeIP(netip.Addr) bool
IsFakeBroadcastIP(netip.Addr) bool
IsExistFakeIP(netip.Addr) bool
FindHostByIP(netip.Addr) (string, bool)
FlushFakeIP() error
InsertHostByIP(net.IP, string)
InsertHostByIP(netip.Addr, string)
StoreFakePoolState()
}
@ -34,7 +32,7 @@ func MappingEnabled() bool {
return false
}
func IsFakeIP(ip net.IP) bool {
func IsFakeIP(ip netip.Addr) bool {
if mapper := DefaultHostMapper; mapper != nil {
return mapper.IsFakeIP(ip)
}
@ -42,7 +40,7 @@ func IsFakeIP(ip net.IP) bool {
return false
}
func IsFakeBroadcastIP(ip net.IP) bool {
func IsFakeBroadcastIP(ip netip.Addr) bool {
if mapper := DefaultHostMapper; mapper != nil {
return mapper.IsFakeBroadcastIP(ip)
}
@ -50,7 +48,7 @@ func IsFakeBroadcastIP(ip net.IP) bool {
return false
}
func IsExistFakeIP(ip net.IP) bool {
func IsExistFakeIP(ip netip.Addr) bool {
if mapper := DefaultHostMapper; mapper != nil {
return mapper.IsExistFakeIP(ip)
}
@ -58,13 +56,13 @@ func IsExistFakeIP(ip net.IP) bool {
return false
}
func InsertHostByIP(ip net.IP, host string) {
func InsertHostByIP(ip netip.Addr, host string) {
if mapper := DefaultHostMapper; mapper != nil {
mapper.InsertHostByIP(ip, host)
}
}
func FindHostByIP(ip net.IP) (string, bool) {
func FindHostByIP(ip netip.Addr) (string, bool) {
if mapper := DefaultHostMapper; mapper != nil {
return mapper.FindHostByIP(ip)
}

0
component/resolver/patch.go → component/resolver/local.go
View file

82
component/resolver/resolver.go
View file

@ -6,9 +6,9 @@ import (
"math/rand"
"net"
"net/netip"
"strings"
"time"
"github.com/Dreamacro/clash/common/nnip"
"github.com/Dreamacro/clash/component/trie"
)
@ -37,29 +37,29 @@ var (
)
type Resolver interface {
ResolveIP(host string) (ip net.IP, err error)
ResolveIPv4(host string) (ip net.IP, err error)
ResolveIPv6(host string) (ip net.IP, err error)
ResolveIP(host string) (ip netip.Addr, err error)
ResolveIPv4(host string) (ip netip.Addr, err error)
ResolveIPv6(host string) (ip netip.Addr, err error)
}
// ResolveIPv4 with a host, return ipv4
func ResolveIPv4(host string) (net.IP, error) {
func ResolveIPv4(host string) (netip.Addr, error) {
return ResolveIPv4WithResolver(host, DefaultResolver)
}
func ResolveIPv4WithResolver(host string, r Resolver) (net.IP, error) {
func ResolveIPv4WithResolver(host string, r Resolver) (netip.Addr, error) {
if node := DefaultHosts.Search(host); node != nil {
if ip := node.Data; ip.Is4() {
return ip.AsSlice(), nil
return ip, nil
}
}
ip := net.ParseIP(host)
if ip != nil {
if !strings.Contains(host, ":") {
ip, err := netip.ParseAddr(host)
if err == nil {
if ip.Is4() {
return ip, nil
}
return nil, ErrIPVersion
return netip.Addr{}, ErrIPVersion
}
if r != nil {
@ -71,39 +71,44 @@ func ResolveIPv4WithResolver(host string, r Resolver) (net.IP, error) {
defer cancel()
ipAddrs, err := net.DefaultResolver.LookupIP(ctx, "ip4", host)
if err != nil {
return nil, err
return netip.Addr{}, err
} else if len(ipAddrs) == 0 {
return nil, ErrIPNotFound
return netip.Addr{}, ErrIPNotFound
}
return ipAddrs[rand.Intn(len(ipAddrs))], nil
ip := ipAddrs[rand.Intn(len(ipAddrs))].To4()
if ip == nil {
return netip.Addr{}, ErrIPVersion
}
return netip.AddrFrom4(*(*[4]byte)(ip)), nil
}
return nil, ErrIPNotFound
return netip.Addr{}, ErrIPNotFound
}
// ResolveIPv6 with a host, return ipv6
func ResolveIPv6(host string) (net.IP, error) {
func ResolveIPv6(host string) (netip.Addr, error) {
return ResolveIPv6WithResolver(host, DefaultResolver)
}
func ResolveIPv6WithResolver(host string, r Resolver) (net.IP, error) {
func ResolveIPv6WithResolver(host string, r Resolver) (netip.Addr, error) {
if DisableIPv6 {
return nil, ErrIPv6Disabled
return netip.Addr{}, ErrIPv6Disabled
}
if node := DefaultHosts.Search(host); node != nil {
if ip := node.Data; ip.Is6() {
return ip.AsSlice(), nil
return ip, nil
}
}
ip := net.ParseIP(host)
if ip != nil {
if strings.Contains(host, ":") {
ip, err := netip.ParseAddr(host)
if err == nil {
if ip.Is6() {
return ip, nil
}
return nil, ErrIPVersion
return netip.Addr{}, ErrIPVersion
}
if r != nil {
@ -115,22 +120,21 @@ func ResolveIPv6WithResolver(host string, r Resolver) (net.IP, error) {
defer cancel()
ipAddrs, err := net.DefaultResolver.LookupIP(ctx, "ip6", host)
if err != nil {
return nil, err
return netip.Addr{}, err
} else if len(ipAddrs) == 0 {
return nil, ErrIPNotFound
return netip.Addr{}, ErrIPNotFound
}
return ipAddrs[rand.Intn(len(ipAddrs))], nil
return netip.AddrFrom16(*(*[16]byte)(ipAddrs[rand.Intn(len(ipAddrs))])), nil
}
return nil, ErrIPNotFound
return netip.Addr{}, ErrIPNotFound
}
// ResolveIPWithResolver same as ResolveIP, but with a resolver
func ResolveIPWithResolver(host string, r Resolver) (net.IP, error) {
func ResolveIPWithResolver(host string, r Resolver) (netip.Addr, error) {
if node := DefaultHosts.Search(host); node != nil {
ip := node.Data
return ip.Unmap().AsSlice(), nil
return node.Data, nil
}
if r != nil {
@ -142,30 +146,30 @@ func ResolveIPWithResolver(host string, r Resolver) (net.IP, error) {
return ResolveIPv4(host)
}
ip := net.ParseIP(host)
if ip != nil {
ip, err := netip.ParseAddr(host)
if err == nil {
return ip, nil
}
if DefaultResolver == nil {
ipAddr, err := net.ResolveIPAddr("ip", host)
if err != nil {
return nil, err
return netip.Addr{}, err
}
return ipAddr.IP, nil
return nnip.IpToAddr(ipAddr.IP), nil
}
return nil, ErrIPNotFound
return netip.Addr{}, ErrIPNotFound
}
// ResolveIP with a host, return ip
func ResolveIP(host string) (net.IP, error) {
func ResolveIP(host string) (netip.Addr, error) {
return ResolveIPWithResolver(host, DefaultResolver)
}
// ResolveIPv4ProxyServerHost proxies server host only
func ResolveIPv4ProxyServerHost(host string) (net.IP, error) {
func ResolveIPv4ProxyServerHost(host string) (netip.Addr, error) {
if ProxyServerHostResolver != nil {
return ResolveIPv4WithResolver(host, ProxyServerHostResolver)
}
@ -173,7 +177,7 @@ func ResolveIPv4ProxyServerHost(host string) (net.IP, error) {
}
// ResolveIPv6ProxyServerHost proxies server host only
func ResolveIPv6ProxyServerHost(host string) (net.IP, error) {
func ResolveIPv6ProxyServerHost(host string) (netip.Addr, error) {
if ProxyServerHostResolver != nil {
return ResolveIPv6WithResolver(host, ProxyServerHostResolver)
}
@ -181,7 +185,7 @@ func ResolveIPv6ProxyServerHost(host string) (net.IP, error) {
}
// ResolveProxyServerHost proxies server host only
func ResolveProxyServerHost(host string) (net.IP, error) {
func ResolveProxyServerHost(host string) (netip.Addr, error) {
if ProxyServerHostResolver != nil {
return ResolveIPWithResolver(host, ProxyServerHostResolver)
}

3
component/sniffer/dispatcher.go
View file

@ -4,6 +4,7 @@ import (
"errors"
"github.com/Dreamacro/clash/component/trie"
"net"
"net/netip"
CN "github.com/Dreamacro/clash/common/net"
"github.com/Dreamacro/clash/component/resolver"
@ -58,7 +59,7 @@ func (sd *SnifferDispatcher) replaceDomain(metadata *C.Metadata, host string) {
metadata.Host = host
metadata.DNSMode = C.DNSMapping
resolver.InsertHostByIP(metadata.DstIP, host)
metadata.DstIP = nil
metadata.DstIP = netip.Addr{}
}
func (sd *SnifferDispatcher) Enable() bool {

12
config/config.go
View file

@ -87,7 +87,7 @@ type DNS struct {
type FallbackFilter struct {
GeoIP bool `yaml:"geoip"`
GeoIPCode string `yaml:"geoip-code"`
IPCIDR []*net.IPNet `yaml:"ipcidr"`
IPCIDR []*netip.Prefix `yaml:"ipcidr"`
Domain []string `yaml:"domain"`
GeoSite []*router.DomainMatcher `yaml:"geosite"`
}
@ -702,15 +702,15 @@ func parseNameServerPolicy(nsPolicy map[string]string) (map[string]dns.NameServe
return policy, nil
}
func parseFallbackIPCIDR(ips []string) ([]*net.IPNet, error) {
var ipNets []*net.IPNet
func parseFallbackIPCIDR(ips []string) ([]*netip.Prefix, error) {
var ipNets []*netip.Prefix
for idx, ip := range ips {
_, ipnet, err := net.ParseCIDR(ip)
ipnet, err := netip.ParsePrefix(ip)
if err != nil {
return nil, fmt.Errorf("DNS FallbackIP[%d] format error: %s", idx, err.Error())
}
ipNets = append(ipNets, ipnet)
ipNets = append(ipNets, &ipnet)
}
return ipNets, nil
@ -763,7 +763,7 @@ func parseDNS(rawCfg *RawConfig, hosts *trie.DomainTrie[netip.Addr], rules []C.R
IPv6: cfg.IPv6,
EnhancedMode: cfg.EnhancedMode,
FallbackFilter: FallbackFilter{
IPCIDR: []*net.IPNet{},
IPCIDR: []*netip.Prefix{},
GeoSite: []*router.DomainMatcher{},
},
}

55
constant/metadata.go
View file

@ -4,6 +4,7 @@ import (
"encoding/json"
"fmt"
"net"
"net/netip"
"strconv"
)
@ -73,22 +74,26 @@ func (t Type) MarshalJSON() ([]byte, error) {
// Metadata is used to store connection address
type Metadata struct {
NetWork NetWork `json:"network"`
Type Type `json:"type"`
SrcIP net.IP `json:"sourceIP"`
DstIP net.IP `json:"destinationIP"`
SrcPort string `json:"sourcePort"`
DstPort string `json:"destinationPort"`
AddrType int `json:"-"`
Host string `json:"host"`
DNSMode DNSMode `json:"dnsMode"`
Process string `json:"process"`
ProcessPath string `json:"processPath"`
NetWork NetWork `json:"network"`
Type Type `json:"type"`
SrcIP netip.Addr `json:"sourceIP"`
DstIP netip.Addr `json:"destinationIP"`
SrcPort string `json:"sourcePort"`
DstPort string `json:"destinationPort"`
AddrType int `json:"-"`
Host string `json:"host"`
DNSMode DNSMode `json:"dnsMode"`
Process string `json:"process"`
ProcessPath string `json:"processPath"`
UserAgent string `json:"userAgent"`
}
func (m *Metadata) RemoteAddress() string {
return net.JoinHostPort(m.String(), m.DstPort)
if m.DstIP.IsValid() {
return net.JoinHostPort(m.DstIP.String(), m.DstPort)
} else {
return net.JoinHostPort(m.String(), m.DstPort)
}
}
func (m *Metadata) SourceAddress() string {
@ -108,33 +113,33 @@ func (m *Metadata) SourceDetail() string {
}
func (m *Metadata) Resolved() bool {
return m.DstIP != nil
return m.DstIP.IsValid()
}
// Pure is used to solve unexpected behavior
// when dialing proxy connection in DNSMapping mode.
func (m *Metadata) Pure() *Metadata {
if m.DNSMode == DNSMapping && m.DstIP != nil {
copy := *m
copy.Host = ""
if copy.DstIP.To4() != nil {
copy.AddrType = AtypIPv4
if m.DNSMode == DNSMapping && m.DstIP.IsValid() {
copyM := *m
copyM.Host = ""
if copyM.DstIP.Is4() {
copyM.AddrType = AtypIPv4
} else {
copy.AddrType = AtypIPv6
copyM.AddrType = AtypIPv6
}
return &copy
return &copyM
}
return m
}
func (m *Metadata) UDPAddr() *net.UDPAddr {
if m.NetWork != UDP || m.DstIP == nil {
if m.NetWork != UDP || !m.DstIP.IsValid() {
return nil
}
port, _ := strconv.ParseUint(m.DstPort, 10, 16)
return &net.UDPAddr{
IP: m.DstIP,
IP: m.DstIP.AsSlice(),
Port: int(port),
}
}
@ -142,7 +147,7 @@ func (m *Metadata) UDPAddr() *net.UDPAddr {
func (m *Metadata) String() string {
if m.Host != "" {
return m.Host
} else if m.DstIP != nil {
} else if m.DstIP.IsValid() {
return m.DstIP.String()
} else {
return "<nil>"
@ -150,5 +155,5 @@ func (m *Metadata) String() string {
}
func (m *Metadata) Valid() bool {
return m.Host != "" || m.DstIP != nil
return m.Host != "" || m.DstIP.IsValid()
}

6
constant/rule_extra.go
View file

@ -1,7 +1,7 @@
package constant
import (
"net"
"net/netip"
"strings"
"github.com/Dreamacro/clash/component/geodata/router"
@ -9,7 +9,7 @@ import (
type RuleExtra struct {
Network NetWork
SourceIPs []*net.IPNet
SourceIPs []*netip.Prefix
ProcessNames []string
}
@ -17,7 +17,7 @@ func (re *RuleExtra) NotMatchNetwork(network NetWork) bool {
return re.Network != ALLNet && re.Network != network
}
func (re *RuleExtra) NotMatchSourceIP(srcIP net.IP) bool {
func (re *RuleExtra) NotMatchSourceIP(srcIP netip.Addr) bool {
if re.SourceIPs == nil {
return false
}

9
dns/client.go
View file

@ -5,6 +5,7 @@ import (
"crypto/tls"
"fmt"
"net"
"net/netip"
"strings"
"github.com/Dreamacro/clash/component/dialer"
@ -28,10 +29,10 @@ func (c *client) Exchange(m *D.Msg) (*D.Msg, error) {
func (c *client) ExchangeContext(ctx context.Context, m *D.Msg) (*D.Msg, error) {
var (
ip net.IP
ip netip.Addr
err error
)
if ip = net.ParseIP(c.host); ip == nil {
if ip, err = netip.ParseAddr(c.host); err != nil {
if c.r == nil {
return nil, fmt.Errorf("dns %s not a valid ip", c.host)
} else {
@ -62,7 +63,9 @@ func (c *client) ExchangeContext(ctx context.Context, m *D.Msg) (*D.Msg, error)
if err != nil {
return nil, err
}
defer conn.Close()
defer func() {
_ = conn.Close()
}()
// miekg/dns ExchangeContext doesn't respond to context cancel.
// this is a workaround

8
dns/dhcp.go
View file

@ -1,9 +1,9 @@
package dns
import (
"bytes"
"context"
"net"
"net/netip"
"sync"
"time"
@ -27,7 +27,7 @@ type dhcpClient struct {
ifaceInvalidate time.Time
dnsInvalidate time.Time
ifaceAddr *net.IPNet
ifaceAddr *netip.Prefix
done chan struct{}
resolver *Resolver
err error
@ -127,12 +127,12 @@ func (d *dhcpClient) invalidate() (bool, error) {
return false, err
}
addr, err := ifaceObj.PickIPv4Addr(nil)
addr, err := ifaceObj.PickIPv4Addr(netip.Addr{})
if err != nil {
return false, err
}
if time.Now().Before(d.dnsInvalidate) && d.ifaceAddr.IP.Equal(addr.IP) && bytes.Equal(d.ifaceAddr.Mask, addr.Mask) {
if time.Now().Before(d.dnsInvalidate) && d.ifaceAddr == addr {
return false, nil
}

47
dns/enhancer.go
View file

@ -1,11 +1,9 @@
package dns
import (
"net"
"net/netip"
"github.com/Dreamacro/clash/common/cache"
"github.com/Dreamacro/clash/common/nnip"
"github.com/Dreamacro/clash/component/fakeip"
C "github.com/Dreamacro/clash/constant"
)
@ -24,54 +22,51 @@ func (h *ResolverEnhancer) MappingEnabled() bool {
return h.mode == C.DNSFakeIP || h.mode == C.DNSMapping
}
func (h *ResolverEnhancer) IsExistFakeIP(ip net.IP) bool {
func (h *ResolverEnhancer) IsExistFakeIP(ip netip.Addr) bool {
if !h.FakeIPEnabled() {
return false
}
if pool := h.fakePool; pool != nil {
return pool.Exist(nnip.IpToAddr(ip))
return pool.Exist(ip)
}
return false
}
func (h *ResolverEnhancer) IsFakeIP(ip net.IP) bool {
if !h.FakeIPEnabled() {
return false
}
addr := nnip.IpToAddr(ip)
if pool := h.fakePool; pool != nil {
return pool.IPNet().Contains(addr) && addr != pool.Gateway() && addr != pool.Broadcast()
}
return false
}
func (h *ResolverEnhancer) IsFakeBroadcastIP(ip net.IP) bool {
func (h *ResolverEnhancer) IsFakeIP(ip netip.Addr) bool {
if !h.FakeIPEnabled() {
return false
}
if pool := h.fakePool; pool != nil {
return pool.Broadcast() == nnip.IpToAddr(ip)
return pool.IPNet().Contains(ip) && ip != pool.Gateway() && ip != pool.Broadcast()
}
return false
}
func (h *ResolverEnhancer) FindHostByIP(ip net.IP) (string, bool) {
addr := nnip.IpToAddr(ip)
func (h *ResolverEnhancer) IsFakeBroadcastIP(ip netip.Addr) bool {
if !h.FakeIPEnabled() {
return false
}
if pool := h.fakePool; pool != nil {
if host, existed := pool.LookBack(addr); existed {
return pool.Broadcast() == ip
}
return false
}
func (h *ResolverEnhancer) FindHostByIP(ip netip.Addr) (string, bool) {
if pool := h.fakePool; pool != nil {
if host, existed := pool.LookBack(ip); existed {
return host, true
}
}
if mapping := h.mapping; mapping != nil {
if host, existed := h.mapping.Get(addr); existed {
if host, existed := h.mapping.Get(ip); existed {
return host, true
}
}
@ -79,9 +74,9 @@ func (h *ResolverEnhancer) FindHostByIP(ip net.IP) (string, bool) {
return "", false
}
func (h *ResolverEnhancer) InsertHostByIP(ip net.IP, host string) {
func (h *ResolverEnhancer) InsertHostByIP(ip netip.Addr, host string) {
if mapping := h.mapping; mapping != nil {
h.mapping.Set(nnip.IpToAddr(ip), host)
h.mapping.Set(ip, host)
}
}

17
dns/filters.go
View file

@ -1,18 +1,19 @@
package dns
import (
"net/netip"
"github.com/Dreamacro/clash/component/geodata"
"github.com/Dreamacro/clash/component/geodata/router"
"github.com/Dreamacro/clash/component/mmdb"
"github.com/Dreamacro/clash/component/trie"
C "github.com/Dreamacro/clash/constant"
"github.com/Dreamacro/clash/log"
"net"
"strings"
)
type fallbackIPFilter interface {
Match(net.IP) bool
Match(netip.Addr) bool
}
type geoipFilter struct {
@ -21,9 +22,9 @@ type geoipFilter struct {
var geoIPMatcher *router.GeoIPMatcher
func (gf *geoipFilter) Match(ip net.IP) bool {
func (gf *geoipFilter) Match(ip netip.Addr) bool {
if !C.GeodataMode {
record, _ := mmdb.Instance().Country(ip)
record, _ := mmdb.Instance().Country(ip.AsSlice())
return !strings.EqualFold(record.Country.IsoCode, gf.code) && !ip.IsPrivate()
}
@ -54,14 +55,14 @@ func (gf *geoipFilter) Match(ip net.IP) bool {
return false
}
}
return !geoIPMatcher.Match(ip)
return !geoIPMatcher.Match(ip.AsSlice())
}
type ipnetFilter struct {
ipnet *net.IPNet
ipnet *netip.Prefix
}
func (inf *ipnetFilter) Match(ip net.IP) bool {
func (inf *ipnetFilter) Match(ip netip.Addr) bool {
return inf.ipnet.Contains(ip)
}
@ -76,7 +77,7 @@ type domainFilter struct {
func NewDomainFilter(domains []string) *domainFilter {
df := domainFilter{tree: trie.New[bool]()}
for _, domain := range domains {
df.tree.Insert(domain, true)
_ = df.tree.Insert(domain, true)
}
return &df
}

9
dns/middleware.go
View file

@ -1,7 +1,6 @@
package dns
import (
"net"
"net/netip"
"strings"
"time"
@ -88,21 +87,21 @@ func withMapping(mapping *cache.LruCache[netip.Addr, string]) middleware {
host := strings.TrimRight(q.Name, ".")
for _, ans := range msg.Answer {
var ip net.IP
var ip netip.Addr
var ttl uint32
switch a := ans.(type) {
case *D.A:
ip = a.A
ip = nnip.IpToAddr(a.A)
ttl = a.Hdr.Ttl
case *D.AAAA:
ip = a.AAAA
ip = nnip.IpToAddr(a.AAAA)
ttl = a.Hdr.Ttl
default:
continue
}
mapping.SetWithExpire(nnip.IpToAddr(ip), host, time.Now().Add(time.Second*time.Duration(ttl)))
mapping.SetWithExpire(ip, host, time.Now().Add(time.Second*time.Duration(ttl)))
}
return msg, nil

35
dns/resolver.go
View file

@ -5,7 +5,6 @@ import (
"errors"
"fmt"
"math/rand"
"net"
"net/netip"
"strings"
"time"
@ -46,8 +45,8 @@ type Resolver struct {
}
// ResolveIP request with TypeA and TypeAAAA, priority return TypeA
func (r *Resolver) ResolveIP(host string) (ip net.IP, err error) {
ch := make(chan net.IP, 1)
func (r *Resolver) ResolveIP(host string) (ip netip.Addr, err error) {
ch := make(chan netip.Addr, 1)
go func() {
defer close(ch)
ip, err := r.resolveIP(host, D.TypeAAAA)
@ -64,23 +63,23 @@ func (r *Resolver) ResolveIP(host string) (ip net.IP, err error) {
ip, open := <-ch
if !open {
return nil, resolver.ErrIPNotFound
return netip.Addr{}, resolver.ErrIPNotFound
}
return ip, nil
}
// ResolveIPv4 request with TypeA
func (r *Resolver) ResolveIPv4(host string) (ip net.IP, err error) {
func (r *Resolver) ResolveIPv4(host string) (ip netip.Addr, err error) {
return r.resolveIP(host, D.TypeA)
}
// ResolveIPv6 request with TypeAAAA
func (r *Resolver) ResolveIPv6(host string) (ip net.IP, err error) {
func (r *Resolver) ResolveIPv6(host string) (ip netip.Addr, err error) {
return r.resolveIP(host, D.TypeAAAA)
}
func (r *Resolver) shouldIPFallback(ip net.IP) bool {
func (r *Resolver) shouldIPFallback(ip netip.Addr) bool {
for _, filter := range r.fallbackIPFilters {
if filter.Match(ip) {
return true
@ -101,10 +100,10 @@ func (r *Resolver) ExchangeContext(ctx context.Context, m *D.Msg) (msg *D.Msg, e
}
q := m.Question[0]
cache, expireTime, hit := r.lruCache.GetWithExpire(q.String())
cacheM, expireTime, hit := r.lruCache.GetWithExpire(q.String())
if hit {
now := time.Now()
msg = cache.Copy()
msg = cacheM.Copy()
if expireTime.Before(now) {
setMsgTTL(msg, uint32(1)) // Continue fetch
go r.exchangeWithoutCache(ctx, m)
@ -255,16 +254,16 @@ func (r *Resolver) ipExchange(ctx context.Context, m *D.Msg) (msg *D.Msg, err er
return
}
func (r *Resolver) resolveIP(host string, dnsType uint16) (ip net.IP, err error) {
ip = net.ParseIP(host)
if ip != nil {
isIPv4 := ip.To4() != nil
func (r *Resolver) resolveIP(host string, dnsType uint16) (ip netip.Addr, err error) {
ip, err = netip.ParseAddr(host)
if err == nil {
isIPv4 := ip.Is4()
if dnsType == D.TypeAAAA && !isIPv4 {
return ip, nil
} else if dnsType == D.TypeA && isIPv4 {
return ip, nil
} else {
return nil, resolver.ErrIPVersion
return netip.Addr{}, resolver.ErrIPVersion
}
}
@ -273,13 +272,13 @@ func (r *Resolver) resolveIP(host string, dnsType uint16) (ip net.IP, err error)
msg, err := r.Exchange(query)
if err != nil {
return nil, err
return netip.Addr{}, err
}
ips := msgToIP(msg)
ipLength := len(ips)
if ipLength == 0 {
return nil, resolver.ErrIPNotFound
return netip.Addr{}, resolver.ErrIPNotFound
}
ip = ips[rand.Intn(ipLength)]
@ -318,7 +317,7 @@ type NameServer struct {
type FallbackFilter struct {
GeoIP bool
GeoIPCode string
IPCIDR []*net.IPNet
IPCIDR []*netip.Prefix
Domain []string
GeoSite []*router.DomainMatcher
}
@ -359,7 +358,7 @@ func NewResolver(config Config) *Resolver {
if len(config.Policy) != 0 {
r.policy = trie.New[*Policy]()
for domain, nameserver := range config.Policy {
r.policy.Insert(domain, NewPolicy(transform([]NameServer{nameserver}, defaultResolver)))
_ = r.policy.Insert(domain, NewPolicy(transform([]NameServer{nameserver}, defaultResolver)))
}
}

14
dns/util.go
View file

@ -5,9 +5,11 @@ import (
"crypto/tls"
"fmt"
"net"
"net/netip"
"time"
"github.com/Dreamacro/clash/common/cache"
"github.com/Dreamacro/clash/common/nnip"
"github.com/Dreamacro/clash/component/dialer"
C "github.com/Dreamacro/clash/constant"
"github.com/Dreamacro/clash/log"
@ -99,15 +101,15 @@ func handleMsgWithEmptyAnswer(r *D.Msg) *D.Msg {
return msg
}
func msgToIP(msg *D.Msg) []net.IP {
ips := []net.IP{}
func msgToIP(msg *D.Msg) []netip.Addr {
ips := []netip.Addr{}
for _, answer := range msg.Answer {
switch ans := answer.(type) {
case *D.AAAA:
ips = append(ips, ans.AAAA)
ips = append(ips, nnip.IpToAddr(ans.AAAA))
case *D.A:
ips = append(ips, ans.A)
ips = append(ips, nnip.IpToAddr(ans.A))
}
}
@ -132,7 +134,7 @@ func (wpc *wrapPacketConn) RemoteAddr() net.Addr {
return wpc.rAddr
}
func dialContextWithProxyAdapter(ctx context.Context, adapterName string, network string, dstIP net.IP, port string, opts ...dialer.Option) (net.Conn, error) {
func dialContextWithProxyAdapter(ctx context.Context, adapterName string, network string, dstIP netip.Addr, port string, opts ...dialer.Option) (net.Conn, error) {
adapter, ok := tunnel.Proxies()[adapterName]
if !ok {
return nil, fmt.Errorf("proxy adapter [%s] not found", adapterName)
@ -147,7 +149,7 @@ func dialContextWithProxyAdapter(ctx context.Context, adapterName string, networ
}
addrType := C.AtypIPv4
if dstIP.To4() == nil {
if dstIP.Is6() {
addrType = C.AtypIPv6
}

5
listener/tun/ipstack/system/stack.go
View file

@ -83,6 +83,7 @@ func New(device device.Device, dnsHijack []netip.AddrPort, tunAddress netip.Pref
lAddr := conn.LocalAddr().(*net.TCPAddr)
rAddr := conn.RemoteAddr().(*net.TCPAddr)
lAddrPort := netip.AddrPortFrom(nnip.IpToAddr(lAddr.IP), uint16(lAddr.Port))
rAddrPort := netip.AddrPortFrom(nnip.IpToAddr(rAddr.IP), uint16(rAddr.Port))
if rAddrPort.Addr().IsLoopback() {
@ -135,8 +136,8 @@ func New(device device.Device, dnsHijack []netip.AddrPort, tunAddress netip.Pref
metadata := &C.Metadata{
NetWork: C.TCP,
Type: C.TUN,
SrcIP: lAddr.IP,
DstIP: rAddr.IP,
SrcIP: lAddrPort.Addr(),
DstIP: rAddrPort.Addr(),
SrcPort: strconv.Itoa(lAddr.Port),
DstPort: strconv.Itoa(rAddr.Port),
AddrType: C.AtypIPv4,

2
listener/tun/tun_adapter.go
View file

@ -50,7 +50,7 @@ func New(tunConf *config.Tun, dnsConf *config.DNS, tcpIn chan<- C.ConnContext, u
tunAddress = netip.MustParsePrefix("198.18.0.1/16")
}
process.AppendLocalIPs(tunAddress.Masked().Addr().Next().AsSlice())
process.AppendLocalIPs(tunAddress.Masked().Addr().Next())
// open tun device
tunDevice, err = parseDevice(devName, uint32(mtu))

10
rule/common/base.go
View file

@ -2,7 +2,7 @@ package common
import (
"errors"
"net"
"net/netip"
"strings"
C "github.com/Dreamacro/clash/constant"
@ -54,17 +54,17 @@ func FindNetwork(params []string) C.NetWork {
return C.ALLNet
}
func FindSourceIPs(params []string) []*net.IPNet {
var ips []*net.IPNet
func FindSourceIPs(params []string) []*netip.Prefix {
var ips []*netip.Prefix
for _, p := range params {
if p == noResolve || len(p) < 7 {
continue
}
_, ipnet, err := net.ParseCIDR(p)
ipnet, err := netip.ParsePrefix(p)
if err != nil {
continue
}
ips = append(ips, ipnet)
ips = append(ips, &ipnet)
}
if len(ips) > 0 {

6
rule/common/geoip.go
View file

@ -26,7 +26,7 @@ func (g *GEOIP) RuleType() C.RuleType {
func (g *GEOIP) Match(metadata *C.Metadata) bool {
ip := metadata.DstIP
if ip == nil {
if !ip.IsValid() {
return false
}
@ -39,10 +39,10 @@ func (g *GEOIP) Match(metadata *C.Metadata) bool {
resolver.IsFakeBroadcastIP(ip)
}
if !C.GeodataMode {
record, _ := mmdb.Instance().Country(ip)
record, _ := mmdb.Instance().Country(ip.AsSlice())
return strings.EqualFold(record.Country.IsoCode, g.country)
}
return g.geoIPMatcher.Match(ip)
return g.geoIPMatcher.Match(ip.AsSlice())
}
func (g *GEOIP) Adapter() string {

10
rule/common/ipcidr.go
View file

@ -1,7 +1,7 @@
package common
import (
"net"
"net/netip"
C "github.com/Dreamacro/clash/constant"
)
@ -22,7 +22,7 @@ func WithIPCIDRNoResolve(noResolve bool) IPCIDROption {
type IPCIDR struct {
*Base
ipnet *net.IPNet
ipnet *netip.Prefix
adapter string
isSourceIP bool
noResolveIP bool
@ -40,7 +40,7 @@ func (i *IPCIDR) Match(metadata *C.Metadata) bool {
if i.isSourceIP {
ip = metadata.SrcIP
}
return ip != nil && i.ipnet.Contains(ip)
return ip.IsValid() && i.ipnet.Contains(ip)
}
func (i *IPCIDR) Adapter() string {
@ -56,14 +56,14 @@ func (i *IPCIDR) ShouldResolveIP() bool {
}
func NewIPCIDR(s string, adapter string, opts ...IPCIDROption) (*IPCIDR, error) {
_, ipnet, err := net.ParseCIDR(s)
ipnet, err := netip.ParsePrefix(s)
if err != nil {
return nil, errPayload
}
ipcidr := &IPCIDR{
Base: &Base{},
ipnet: ipnet,
ipnet: &ipnet,
adapter: adapter,
}

2
rule/provider/ipcidr_strategy.go
View file

@ -13,7 +13,7 @@ type ipcidrStrategy struct {
}
func (i *ipcidrStrategy) Match(metadata *C.Metadata) bool {
return i.trie != nil && i.trie.IsContain(metadata.DstIP)
return i.trie != nil && i.trie.IsContain(metadata.DstIP.AsSlice())
}
func (i *ipcidrStrategy) Count() int {

32
transport/socks4/socks4.go
View file

@ -6,6 +6,7 @@ import (
"errors"
"io"
"net"
"net/netip"
"strconv"
"github.com/Dreamacro/clash/component/auth"
@ -40,6 +41,8 @@ var (
ErrRequestUnknownCode = errors.New("request failed with unknown code")
)
var subnet = netip.PrefixFrom(netip.IPv4Unspecified(), 24)
func ServerHandshake(rw io.ReadWriter, authenticator auth.Authenticator) (addr string, command Command, err error) {
var req [8]byte
if _, err = io.ReadFull(rw, req[:]); err != nil {
@ -57,8 +60,8 @@ func ServerHandshake(rw io.ReadWriter, authenticator auth.Authenticator) (addr s
}
var (
dstIP = req[4:8] // [4]byte
dstPort = req[2:4] // [2]byte
dstIP = netip.AddrFrom4(*(*[4]byte)(req[4:8])) // [4]byte
dstPort = req[2:4] // [2]byte
)
var (
@ -83,7 +86,7 @@ func ServerHandshake(rw io.ReadWriter, authenticator auth.Authenticator) (addr s
if host != "" {
addr = net.JoinHostPort(host, port)
} else {
addr = net.JoinHostPort(net.IP(dstIP).String(), port)
addr = net.JoinHostPort(dstIP.String(), port)
}
// SOCKS4 only support USERID auth.
@ -97,7 +100,7 @@ func ServerHandshake(rw io.ReadWriter, authenticator auth.Authenticator) (addr s
var reply [8]byte
reply[0] = 0x00 // reply code
reply[1] = code // result code
copy(reply[4:8], dstIP)
copy(reply[4:8], dstIP.AsSlice())
copy(reply[2:4], dstPort)
_, wErr := rw.Write(reply[:])
@ -118,20 +121,18 @@ func ClientHandshake(rw io.ReadWriter, addr string, command Command, userID stri
return err
}
ip := net.ParseIP(host)
if ip == nil /* HOST */ {
ip = net.IPv4(0, 0, 0, 1).To4()
} else if ip.To4() == nil /* IPv6 */ {
dstIP, err := netip.ParseAddr(host)
if err != nil /* HOST */ {
dstIP = netip.AddrFrom4([4]byte{0, 0, 0, 1})
} else if dstIP.Is6() /* IPv6 */ {
return errIPv6NotSupported
}
dstIP := ip.To4()
req := &bytes.Buffer{}
req.WriteByte(Version)
req.WriteByte(command)
binary.Write(req, binary.BigEndian, uint16(port))
req.Write(dstIP)
_ = binary.Write(req, binary.BigEndian, uint16(port))
req.Write(dstIP.AsSlice())
req.WriteString(userID)
req.WriteByte(0) /* NULL */
@ -174,12 +175,7 @@ func ClientHandshake(rw io.ReadWriter, addr string, command Command, userID stri
// Internet Assigned Numbers Authority -- such an address is inadmissible
// as a destination IP address and thus should never occur if the client
// can resolve the domain name.)
func isReservedIP(ip net.IP) bool {
subnet := net.IPNet{
IP: net.IPv4zero,
Mask: net.IPv4Mask(0xff, 0xff, 0xff, 0x00),
}
func isReservedIP(ip netip.Addr) bool {
return !ip.IsUnspecified() && subnet.Contains(ip)
}

15
tunnel/tunnel.go
View file

@ -5,6 +5,7 @@ import (
"fmt"
P "github.com/Dreamacro/clash/component/process"
"net"
"net/netip"
"path/filepath"
"runtime"
"strconv"
@ -131,15 +132,15 @@ func process() {
}
func needLookupIP(metadata *C.Metadata) bool {
return resolver.MappingEnabled() && metadata.Host == "" && metadata.DstIP != nil
return resolver.MappingEnabled() && metadata.Host == "" && metadata.DstIP.IsValid()
}
func preHandleMetadata(metadata *C.Metadata) error {
// handle IP string on host
if ip := net.ParseIP(metadata.Host); ip != nil {
if ip, err := netip.ParseAddr(metadata.Host); err == nil {
metadata.DstIP = ip
metadata.Host = ""
if ip.To4() != nil {
if ip.Is4() {
metadata.AddrType = C.AtypIPv4
} else {
metadata.AddrType = C.AtypIPv6
@ -154,11 +155,11 @@ func preHandleMetadata(metadata *C.Metadata) error {
metadata.AddrType = C.AtypDomainName
metadata.DNSMode = C.DNSMapping
if resolver.FakeIPEnabled() {
metadata.DstIP = nil
metadata.DstIP = netip.Addr{}
metadata.DNSMode = C.DNSFakeIP
} else if node := resolver.DefaultHosts.Search(host); node != nil {
// redir-host should lookup the hosts
metadata.DstIP = node.Data.AsSlice()
metadata.DstIP = node.Data
}
} else if resolver.IsFakeIP(metadata.DstIP) {
return fmt.Errorf("fake DNS record %s missing", metadata.DstIP)
@ -351,7 +352,7 @@ func handleTCPConn(connCtx C.ConnContext) {
}
func shouldResolveIP(rule C.Rule, metadata *C.Metadata) bool {
return rule.ShouldResolveIP() && metadata.Host != "" && metadata.DstIP == nil
return rule.ShouldResolveIP() && metadata.Host != "" && !metadata.DstIP.IsValid()
}
func match(metadata *C.Metadata) (C.Proxy, C.Rule, error) {
@ -360,7 +361,7 @@ func match(metadata *C.Metadata) (C.Proxy, C.Rule, error) {
var resolved bool
if node := resolver.DefaultHosts.Search(metadata.Host); node != nil {
metadata.DstIP = node.Data.AsSlice()
metadata.DstIP = node.Data
resolved = true
}