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Fix UDP domain NAT

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This commit is contained in:
世界 2023-10-25 12:00:00 +08:00
parent 23aa8a0543
commit cb2e15f8a7
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GPG key ID: CD109927C34A63C4
11 changed files with 138 additions and 13 deletions
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8
adapter/inbound.go
View file

@ -75,3 +75,11 @@ func AppendContext(ctx context.Context) (context.Context, *InboundContext) {
metadata = new(InboundContext)
return WithContext(ctx, metadata), metadata
}
func ExtendContext(ctx context.Context) (context.Context, *InboundContext) {
var newMetadata InboundContext
if metadata := ContextFrom(ctx); metadata != nil {
newMetadata = *metadata
}
return WithContext(ctx, &newMetadata), &newMetadata
}

4
common/dialer/resolve.go
View file

@ -36,7 +36,7 @@ func (d *ResolveDialer) DialContext(ctx context.Context, network string, destina
if !destination.IsFqdn() {
return d.dialer.DialContext(ctx, network, destination)
}
ctx, metadata := adapter.AppendContext(ctx)
ctx, metadata := adapter.ExtendContext(ctx)
ctx = log.ContextWithOverrideLevel(ctx, log.LevelDebug)
metadata.Destination = destination
metadata.Domain = ""
@ -61,7 +61,7 @@ func (d *ResolveDialer) ListenPacket(ctx context.Context, destination M.Socksadd
if !destination.IsFqdn() {
return d.dialer.ListenPacket(ctx, destination)
}
ctx, metadata := adapter.AppendContext(ctx)
ctx, metadata := adapter.ExtendContext(ctx)
ctx = log.ContextWithOverrideLevel(ctx, log.LevelDebug)
metadata.Destination = destination
metadata.Domain = ""

11
outbound/default.go
View file

@ -17,6 +17,7 @@ import (
"github.com/sagernet/sing/common/bufio"
"github.com/sagernet/sing/common/canceler"
E "github.com/sagernet/sing/common/exceptions"
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
)
@ -119,7 +120,10 @@ func NewPacketConnection(ctx context.Context, this N.Dialer, conn N.PacketConn,
return err
}
if destinationAddress.IsValid() {
if natConn, loaded := common.Cast[bufio.NATPacketConn](conn); loaded {
if metadata.Destination.IsFqdn() {
outConn = bufio.NewNATPacketConn(bufio.NewPacketConn(outConn), M.SocksaddrFrom(destinationAddress, metadata.Destination.Port), metadata.Destination)
}
if natConn, loaded := common.Cast[*bufio.NATPacketConn](conn); loaded {
natConn.UpdateDestination(destinationAddress)
}
}
@ -159,7 +163,10 @@ func NewDirectPacketConnection(ctx context.Context, router adapter.Router, this
return err
}
if destinationAddress.IsValid() {
if natConn, loaded := common.Cast[bufio.NATPacketConn](conn); loaded {
if metadata.Destination.IsFqdn() {
outConn = bufio.NewNATPacketConn(bufio.NewPacketConn(outConn), M.SocksaddrFrom(destinationAddress, metadata.Destination.Port), metadata.Destination)
}
if natConn, loaded := common.Cast[*bufio.NATPacketConn](conn); loaded {
natConn.UpdateDestination(destinationAddress)
}
}

2
outbound/direct.go
View file

@ -164,7 +164,7 @@ func (h *Direct) DialParallel(ctx context.Context, network string, destination M
}
func (h *Direct) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
ctx, metadata := adapter.AppendContext(ctx)
ctx, metadata := adapter.ExtendContext(ctx)
metadata.Outbound = h.tag
metadata.Destination = destination
switch h.overrideOption {

2
route/router.go
View file

@ -835,7 +835,7 @@ func (r *Router) RoutePacketConnection(ctx context.Context, conn N.PacketConn, m
}
}
if metadata.FakeIP {
conn = fakeip.NewNATPacketConn(conn, metadata.OriginDestination, metadata.Destination)
conn = bufio.NewNATPacketConn(bufio.NewNetPacketConn(conn), metadata.OriginDestination, metadata.Destination)
}
return detour.NewPacketConnection(ctx, conn, metadata)
}

27
test/box_test.go
View file

@ -2,10 +2,15 @@ package main
import (
"context"
"crypto/tls"
"io"
"net"
"net/http"
"testing"
"time"
"github.com/sagernet/quic-go"
"github.com/sagernet/quic-go/http3"
"github.com/sagernet/sing-box"
C "github.com/sagernet/sing-box/constant"
"github.com/sagernet/sing-box/option"
@ -74,6 +79,28 @@ func testSuit(t *testing.T, clientPort uint16, testPort uint16) {
// require.NoError(t, testPacketConnTimeout(t, dialUDP))
}
func testQUIC(t *testing.T, clientPort uint16) {
dialer := socks.NewClient(N.SystemDialer, M.ParseSocksaddrHostPort("127.0.0.1", clientPort), socks.Version5, "", "")
client := &http.Client{
Transport: &http3.RoundTripper{
Dial: func(ctx context.Context, addr string, tlsCfg *tls.Config, cfg *quic.Config) (quic.EarlyConnection, error) {
destination := M.ParseSocksaddr(addr)
udpConn, err := dialer.DialContext(ctx, N.NetworkUDP, destination)
if err != nil {
return nil, err
}
return quic.DialEarly(ctx, udpConn.(net.PacketConn), destination, tlsCfg, cfg)
},
},
}
response, err := client.Get("https://cloudflare.com/cdn-cgi/trace")
require.NoError(t, err)
require.Equal(t, http.StatusOK, response.StatusCode)
content, err := io.ReadAll(response.Body)
require.NoError(t, err)
println(string(content))
}
func testSuitLargeUDP(t *testing.T, clientPort uint16, testPort uint16) {
dialer := socks.NewClient(N.SystemDialer, M.ParseSocksaddrHostPort("127.0.0.1", clientPort), socks.Version5, "", "")
dialTCP := func() (net.Conn, error) {

83
test/domain_inbound_test.go Normal file
View file

@ -0,0 +1,83 @@
package main
import (
"net/netip"
"testing"
C "github.com/sagernet/sing-box/constant"
"github.com/sagernet/sing-box/option"
dns "github.com/sagernet/sing-dns"
"github.com/gofrs/uuid/v5"
)
func TestTUICDomainUDP(t *testing.T) {
_, certPem, keyPem := createSelfSignedCertificate(t, "example.org")
startInstance(t, option.Options{
Inbounds: []option.Inbound{
{
Type: C.TypeMixed,
Tag: "mixed-in",
MixedOptions: option.HTTPMixedInboundOptions{
ListenOptions: option.ListenOptions{
Listen: option.NewListenAddress(netip.IPv4Unspecified()),
ListenPort: clientPort,
},
},
},
{
Type: C.TypeTUIC,
TUICOptions: option.TUICInboundOptions{
ListenOptions: option.ListenOptions{
Listen: option.NewListenAddress(netip.IPv4Unspecified()),
ListenPort: serverPort,
InboundOptions: option.InboundOptions{
DomainStrategy: option.DomainStrategy(dns.DomainStrategyUseIPv6),
},
},
Users: []option.TUICUser{{
UUID: uuid.Nil.String(),
}},
TLS: &option.InboundTLSOptions{
Enabled: true,
ServerName: "example.org",
CertificatePath: certPem,
KeyPath: keyPem,
},
},
},
},
Outbounds: []option.Outbound{
{
Type: C.TypeDirect,
},
{
Type: C.TypeTUIC,
Tag: "tuic-out",
TUICOptions: option.TUICOutboundOptions{
ServerOptions: option.ServerOptions{
Server: "127.0.0.1",
ServerPort: serverPort,
},
UUID: uuid.Nil.String(),
TLS: &option.OutboundTLSOptions{
Enabled: true,
ServerName: "example.org",
CertificatePath: certPem,
},
},
},
},
Route: &option.RouteOptions{
Rules: []option.Rule{
{
DefaultOptions: option.DefaultRule{
Inbound: []string{"mixed-in"},
Outbound: "tuic-out",
},
},
},
},
})
testQUIC(t, clientPort)
}

6
test/go.mod
View file

@ -10,7 +10,9 @@ require (
github.com/docker/docker v24.0.6+incompatible
github.com/docker/go-connections v0.4.0
github.com/gofrs/uuid/v5 v5.0.0
github.com/sagernet/quic-go v0.0.0-20230919101909-0cc6c5dcecee
github.com/sagernet/sing v0.2.15
github.com/sagernet/sing-dns v0.1.10
github.com/sagernet/sing-quic v0.1.2
github.com/sagernet/sing-shadowsocks v0.2.5
github.com/sagernet/sing-shadowsocks2 v0.1.4
@ -73,12 +75,10 @@ require (
github.com/sagernet/go-tun2socks v1.16.12-0.20220818015926-16cb67876a61 // indirect
github.com/sagernet/gvisor v0.0.0-20230627031050-1ab0276e0dd2 // indirect
github.com/sagernet/netlink v0.0.0-20220905062125-8043b4a9aa97 // indirect
github.com/sagernet/quic-go v0.0.0-20230919101909-0cc6c5dcecee // indirect
github.com/sagernet/reality v0.0.0-20230406110435-ee17307e7691 // indirect
github.com/sagernet/sing-dns v0.1.10 // indirect
github.com/sagernet/sing-mux v0.1.3 // indirect
github.com/sagernet/sing-shadowtls v0.1.4 // indirect
github.com/sagernet/sing-tun v0.1.15 // indirect
github.com/sagernet/sing-tun v0.1.16 // indirect
github.com/sagernet/sing-vmess v0.1.8 // indirect
github.com/sagernet/smux v0.0.0-20230312102458-337ec2a5af37 // indirect
github.com/sagernet/tfo-go v0.0.0-20230816093905-5a5c285d44a6 // indirect

4
test/go.sum
View file

@ -147,8 +147,8 @@ github.com/sagernet/sing-shadowsocks2 v0.1.4 h1:vht2M8t3m5DTgXR2j24KbYOygG5aOp+M
github.com/sagernet/sing-shadowsocks2 v0.1.4/go.mod h1:Mgdee99NxxNd5Zld3ixIs18yVs4x2dI2VTDDE1N14Wc=
github.com/sagernet/sing-shadowtls v0.1.4 h1:aTgBSJEgnumzFenPvc+kbD9/W0PywzWevnVpEx6Tw3k=
github.com/sagernet/sing-shadowtls v0.1.4/go.mod h1:F8NBgsY5YN2beQavdgdm1DPlhaKQlaL6lpDdcBglGK4=
github.com/sagernet/sing-tun v0.1.15 h1:XfHQD/dhCCQeespPojB4gRhADI1A/4mSLLJCnh5qUnQ=
github.com/sagernet/sing-tun v0.1.15/go.mod h1:zgRoBAtOM24QXx0IKYFEnuTtXPq1Z4rDYRWkP8kJm+g=
github.com/sagernet/sing-tun v0.1.16 h1:RHXYIVg6uacvdfbYMiPEz9VX5uu6mNrvP7u9yAH3oNc=
github.com/sagernet/sing-tun v0.1.16/go.mod h1:S3q8GCjeyRniK+KLmo4XqKY0bS3x2UdKkKbqxT/Agl8=
github.com/sagernet/sing-vmess v0.1.8 h1:XVWad1RpTy9b5tPxdm5MCU8cGfrTGdR8qCq6HV2aCNc=
github.com/sagernet/sing-vmess v0.1.8/go.mod h1:vhx32UNzTDUkNwOyIjcZQohre1CaytquC5mPplId8uA=
github.com/sagernet/smux v0.0.0-20230312102458-337ec2a5af37 h1:HuE6xSwco/Xed8ajZ+coeYLmioq0Qp1/Z2zczFaV8as=

2
test/hysteria2_test.go
View file

@ -97,7 +97,7 @@ func testHysteria2Self(t *testing.T, salamanderPassword string) {
},
},
})
testSuit(t, clientPort, testPort)
testSuitLargeUDP(t, clientPort, testPort)
}
func TestHysteria2Inbound(t *testing.T) {

2
test/wireguard_test.go
View file

@ -40,7 +40,7 @@ func _TestWireGuard(t *testing.T) {
Server: "127.0.0.1",
ServerPort: serverPort,
},
LocalAddress: []option.ListenPrefix{option.ListenPrefix(netip.MustParsePrefix("10.0.0.2/32"))},
LocalAddress: []netip.Prefix{netip.MustParsePrefix("10.0.0.2/32")},
PrivateKey: "qGnwlkZljMxeECW8fbwAWdvgntnbK7B8UmMFl3zM0mk=",
PeerPublicKey: "QsdcBm+oJw2oNv0cIFXLIq1E850lgTBonup4qnKEQBg=",
},