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Add endpoint independent nat support for tun inbound

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世界 2022-07-26 19:21:56 +08:00
parent 0347a7c038
commit f008d0bde3
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GPG key ID: CD109927C34A63C4
12 changed files with 54 additions and 36 deletions
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1
constant/timeout.go
View file

@ -11,4 +11,5 @@ const (
DNSTimeout = 10 * time.Second
QUICTimeout = 30 * time.Second
STUNTimeout = 15 * time.Second
UDPTimeout = 5 * time.Minute
)

2
go.mod
View file

@ -15,7 +15,7 @@ require (
github.com/sagernet/sing v0.0.0-20220726034811-bc109486f14e
github.com/sagernet/sing-dns v0.0.0-20220726044716-2b8c696b09f5
github.com/sagernet/sing-shadowsocks v0.0.0-20220726034922-ebbaadcae06b
github.com/sagernet/sing-tun v0.0.0-20220725225208-3b0c717db3f5
github.com/sagernet/sing-tun v0.0.0-20220726111504-b4bded886e01
github.com/sagernet/sing-vmess v0.0.0-20220726034841-4dae776653e5
github.com/spf13/cobra v1.5.0
github.com/stretchr/testify v1.8.0

4
go.sum
View file

@ -149,8 +149,8 @@ github.com/sagernet/sing-dns v0.0.0-20220726044716-2b8c696b09f5 h1:l6ztUAFVhWhY0
github.com/sagernet/sing-dns v0.0.0-20220726044716-2b8c696b09f5/go.mod h1:KL+8wZG3gqHLm+nvNI3ZNaPzCMA4T7KIwsGp7ix9a34=
github.com/sagernet/sing-shadowsocks v0.0.0-20220726034922-ebbaadcae06b h1:6wJoJaroW3WCGjHGu7XPOSLEKP9Loi3Ox4+7A1kRTsQ=
github.com/sagernet/sing-shadowsocks v0.0.0-20220726034922-ebbaadcae06b/go.mod h1:mH6wE4b5FZp1Q/meATe4tjiPjvQO9E7Lr0FBBwFYp4I=
github.com/sagernet/sing-tun v0.0.0-20220725225208-3b0c717db3f5 h1:i8L1e3A3v/UerH577y4wTghN8nooQOLuIP+Z+N4q5jA=
github.com/sagernet/sing-tun v0.0.0-20220725225208-3b0c717db3f5/go.mod h1:p7QbUBs2ejf6UQsiHyy1xGAWOk9JWQjZTHy8pOmkWmo=
github.com/sagernet/sing-tun v0.0.0-20220726111504-b4bded886e01 h1:tNJn7T87sgQyA8gpEvC6LbusV4lkhZU8oi4mRujOhM8=
github.com/sagernet/sing-tun v0.0.0-20220726111504-b4bded886e01/go.mod h1:bYHamPB16GFGt34ayYt56Pb7aN64RPY0+uuFPBSbj0U=
github.com/sagernet/sing-vmess v0.0.0-20220726034841-4dae776653e5 h1:TNguWTPF6gxX/gR02hY3LGviUn6LGlDPofE6lpSJWeo=
github.com/sagernet/sing-vmess v0.0.0-20220726034841-4dae776653e5/go.mod h1:Q8csko2kQZHRZTz8ztqELrJB22HV60/tztPVgACV84E=
github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo=

2
inbound/direct.go
View file

@ -50,7 +50,7 @@ func NewDirect(ctx context.Context, router adapter.Router, logger log.ContextLog
if options.UDPTimeout != 0 {
udpTimeout = options.UDPTimeout
} else {
udpTimeout = 300
udpTimeout = int64(C.UDPTimeout.Seconds())
}
inbound.udpNat = udpnat.New[netip.AddrPort](udpTimeout, adapter.NewUpstreamContextHandler(inbound.newConnection, inbound.newPacketConnection, inbound))
inbound.connHandler = inbound

2
inbound/shadowsocks.go
View file

@ -55,7 +55,7 @@ func newShadowsocks(ctx context.Context, router adapter.Router, logger log.Conte
if options.UDPTimeout != 0 {
udpTimeout = options.UDPTimeout
} else {
udpTimeout = 300
udpTimeout = int64(C.UDPTimeout.Seconds())
}
var err error
switch {

2
inbound/shadowsocks_multi.go
View file

@ -44,7 +44,7 @@ func newShadowsocksMulti(ctx context.Context, router adapter.Router, logger log.
if options.UDPTimeout != 0 {
udpTimeout = options.UDPTimeout
} else {
udpTimeout = 300
udpTimeout = int64(C.UDPTimeout.Seconds())
}
service, err := shadowaead_2022.NewMultiServiceWithPassword[int](
options.Method,

2
inbound/shadowsocks_relay.go
View file

@ -44,7 +44,7 @@ func newShadowsocksRelay(ctx context.Context, router adapter.Router, logger log.
if options.UDPTimeout != 0 {
udpTimeout = options.UDPTimeout
} else {
udpTimeout = 300
udpTimeout = int64(C.UDPTimeout.Seconds())
}
service, err := shadowaead_2022.NewRelayServiceWithPassword[int](
options.Method,

2
inbound/tproxy.go
View file

@ -39,7 +39,7 @@ func NewTProxy(ctx context.Context, router adapter.Router, logger log.ContextLog
if options.UDPTimeout != 0 {
udpTimeout = options.UDPTimeout
} else {
udpTimeout = 300
udpTimeout = int64(C.UDPTimeout.Seconds())
}
tproxy.connHandler = tproxy
tproxy.oobPacketHandler = tproxy

17
inbound/tun.go
View file

@ -8,8 +8,10 @@ import (
"net/netip"
"strconv"
"strings"
"time"
"github.com/sagernet/sing-box/adapter"
"github.com/sagernet/sing-box/common/canceler"
C "github.com/sagernet/sing-box/constant"
"github.com/sagernet/sing-box/log"
"github.com/sagernet/sing-box/option"
@ -36,6 +38,8 @@ type Tun struct {
inet4Address netip.Prefix
inet6Address netip.Prefix
autoRoute bool
endpointIndependentNat bool
udpTimeout int64
tunIf tun.Tun
tunStack *tun.GVisorTun
@ -50,6 +54,12 @@ func NewTun(ctx context.Context, router adapter.Router, logger log.ContextLogger
if tunMTU == 0 {
tunMTU = 1500
}
var udpTimeout int64
if options.UDPTimeout != 0 {
udpTimeout = options.UDPTimeout
} else {
udpTimeout = int64(C.UDPTimeout.Seconds())
}
return &Tun{
tag: tag,
ctx: ctx,
@ -61,6 +71,8 @@ func NewTun(ctx context.Context, router adapter.Router, logger log.ContextLogger
inet4Address: options.Inet4Address.Build(),
inet6Address: options.Inet6Address.Build(),
autoRoute: options.AutoRoute,
endpointIndependentNat: options.EndpointIndependentNat,
udpTimeout: udpTimeout,
}, nil
}
@ -78,7 +90,7 @@ func (t *Tun) Start() error {
return E.Cause(err, "configure tun interface")
}
t.tunIf = tunIf
t.tunStack = tun.NewGVisor(t.ctx, tunIf, t.tunMTU, t)
t.tunStack = tun.NewGVisor(t.ctx, tunIf, t.tunMTU, t.endpointIndependentNat, t.udpTimeout, t)
err = t.tunStack.Start()
if err != nil {
return err
@ -116,6 +128,9 @@ func (t *Tun) NewConnection(ctx context.Context, conn net.Conn, upstreamMetadata
func (t *Tun) NewPacketConnection(ctx context.Context, conn N.PacketConn, upstreamMetadata M.Metadata) error {
ctx = log.ContextWithNewID(ctx)
if tun.NeedTimeoutFromContext(ctx) {
ctx, conn = canceler.NewPacketConn(ctx, conn, time.Duration(t.udpTimeout)*time.Second)
}
var metadata adapter.InboundContext
metadata.Inbound = t.tag
metadata.InboundType = C.TypeTun

2
option/tun.go
View file

@ -6,5 +6,7 @@ type TunInboundOptions struct {
Inet4Address *ListenPrefix `json:"inet4_address,omitempty"`
Inet6Address *ListenPrefix `json:"inet6_address,omitempty"`
AutoRoute bool `json:"auto_route,omitempty"`
EndpointIndependentNat bool `json:"endpoint_independent_nat,omitempty"`
UDPTimeout int64 `json:"udp_timeout,omitempty"`
InboundOptions
}

2
test/go.mod
View file

@ -51,7 +51,7 @@ require (
github.com/pmezard/go-difflib v1.0.0 // indirect
github.com/sagernet/sing-dns v0.0.0-20220726044716-2b8c696b09f5 // indirect
github.com/sagernet/sing-shadowsocks v0.0.0-20220726034922-ebbaadcae06b // indirect
github.com/sagernet/sing-tun v0.0.0-20220725225208-3b0c717db3f5 // indirect
github.com/sagernet/sing-tun v0.0.0-20220726111504-b4bded886e01 // indirect
github.com/sagernet/sing-vmess v0.0.0-20220726034841-4dae776653e5 // indirect
github.com/sirupsen/logrus v1.8.1 // indirect
github.com/vishvananda/netlink v1.1.0 // indirect

4
test/go.sum
View file

@ -174,8 +174,8 @@ github.com/sagernet/sing-dns v0.0.0-20220726044716-2b8c696b09f5 h1:l6ztUAFVhWhY0
github.com/sagernet/sing-dns v0.0.0-20220726044716-2b8c696b09f5/go.mod h1:KL+8wZG3gqHLm+nvNI3ZNaPzCMA4T7KIwsGp7ix9a34=
github.com/sagernet/sing-shadowsocks v0.0.0-20220726034922-ebbaadcae06b h1:6wJoJaroW3WCGjHGu7XPOSLEKP9Loi3Ox4+7A1kRTsQ=
github.com/sagernet/sing-shadowsocks v0.0.0-20220726034922-ebbaadcae06b/go.mod h1:mH6wE4b5FZp1Q/meATe4tjiPjvQO9E7Lr0FBBwFYp4I=
github.com/sagernet/sing-tun v0.0.0-20220725225208-3b0c717db3f5 h1:i8L1e3A3v/UerH577y4wTghN8nooQOLuIP+Z+N4q5jA=
github.com/sagernet/sing-tun v0.0.0-20220725225208-3b0c717db3f5/go.mod h1:p7QbUBs2ejf6UQsiHyy1xGAWOk9JWQjZTHy8pOmkWmo=
github.com/sagernet/sing-tun v0.0.0-20220726111504-b4bded886e01 h1:tNJn7T87sgQyA8gpEvC6LbusV4lkhZU8oi4mRujOhM8=
github.com/sagernet/sing-tun v0.0.0-20220726111504-b4bded886e01/go.mod h1:bYHamPB16GFGt34ayYt56Pb7aN64RPY0+uuFPBSbj0U=
github.com/sagernet/sing-vmess v0.0.0-20220726034841-4dae776653e5 h1:TNguWTPF6gxX/gR02hY3LGviUn6LGlDPofE6lpSJWeo=
github.com/sagernet/sing-vmess v0.0.0-20220726034841-4dae776653e5/go.mod h1:Q8csko2kQZHRZTz8ztqELrJB22HV60/tztPVgACV84E=
github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo=