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Add sniff_timeout

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世界 2022-10-07 20:30:27 +08:00
parent 39c141651a
commit 7f816a2ebc
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GPG key ID: CD109927C34A63C4
9 changed files with 33 additions and 51 deletions
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6
adapter/inbound.go
View file

@ -6,7 +6,7 @@ import (
"net/netip"
"github.com/sagernet/sing-box/common/process"
"github.com/sagernet/sing-dns"
"github.com/sagernet/sing-box/option"
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
)
@ -41,9 +41,7 @@ type InboundContext struct {
InboundDetour string
LastInbound string
OriginDestination M.Socksaddr
DomainStrategy dns.DomainStrategy
SniffEnabled bool
SniffOverrideDestination bool
InboundOptions option.InboundOptions
DestinationAddresses []netip.Addr
SourceGeoIPCode string
GeoIPCode string

7
common/sniff/sniff.go
View file

@ -19,8 +19,11 @@ type (
PacketSniffer = func(ctx context.Context, packet []byte) (*adapter.InboundContext, error)
)
func PeekStream(ctx context.Context, conn net.Conn, buffer *buf.Buffer, sniffers ...StreamSniffer) (*adapter.InboundContext, error) {
err := conn.SetReadDeadline(time.Now().Add(C.ReadPayloadTimeout))
func PeekStream(ctx context.Context, conn net.Conn, buffer *buf.Buffer, timeout time.Duration, sniffers ...StreamSniffer) (*adapter.InboundContext, error) {
if timeout == 0 {
timeout = C.ReadPayloadTimeout
}
err := conn.SetReadDeadline(time.Now().Add(timeout))
if err != nil {
return nil, err
}

5
inbound/default.go
View file

@ -9,7 +9,6 @@ import (
C "github.com/sagernet/sing-box/constant"
"github.com/sagernet/sing-box/log"
"github.com/sagernet/sing-box/option"
"github.com/sagernet/sing-dns"
"github.com/sagernet/sing/common"
E "github.com/sagernet/sing/common/exceptions"
M "github.com/sagernet/sing/common/metadata"
@ -137,9 +136,7 @@ func (a *myInboundAdapter) createMetadata(conn net.Conn, metadata adapter.Inboun
metadata.Inbound = a.tag
metadata.InboundType = a.protocol
metadata.InboundDetour = a.listenOptions.Detour
metadata.SniffEnabled = a.listenOptions.SniffEnabled
metadata.SniffOverrideDestination = a.listenOptions.SniffOverrideDestination
metadata.DomainStrategy = dns.DomainStrategy(a.listenOptions.DomainStrategy)
metadata.InboundOptions = a.listenOptions.InboundOptions
if !metadata.Source.IsValid() {
metadata.Source = M.SocksaddrFromNet(conn.RemoteAddr()).Unwrap()
}

17
inbound/default_udp.go
View file

@ -7,7 +7,6 @@ import (
"time"
"github.com/sagernet/sing-box/adapter"
"github.com/sagernet/sing-dns"
"github.com/sagernet/sing/common"
"github.com/sagernet/sing/common/buf"
"github.com/sagernet/sing/common/control"
@ -51,9 +50,7 @@ func (a *myInboundAdapter) loopUDPIn() {
var metadata adapter.InboundContext
metadata.Inbound = a.tag
metadata.InboundType = a.protocol
metadata.SniffEnabled = a.listenOptions.SniffEnabled
metadata.SniffOverrideDestination = a.listenOptions.SniffOverrideDestination
metadata.DomainStrategy = dns.DomainStrategy(a.listenOptions.DomainStrategy)
metadata.InboundOptions = a.listenOptions.InboundOptions
metadata.Source = M.SocksaddrFromNetIP(addr).Unwrap()
metadata.OriginDestination = a.udpAddr
err = a.packetHandler.NewPacket(a.ctx, packetService, buffer, metadata)
@ -83,9 +80,7 @@ func (a *myInboundAdapter) loopUDPOOBIn() {
var metadata adapter.InboundContext
metadata.Inbound = a.tag
metadata.InboundType = a.protocol
metadata.SniffEnabled = a.listenOptions.SniffEnabled
metadata.SniffOverrideDestination = a.listenOptions.SniffOverrideDestination
metadata.DomainStrategy = dns.DomainStrategy(a.listenOptions.DomainStrategy)
metadata.InboundOptions = a.listenOptions.InboundOptions
metadata.Source = M.SocksaddrFromNetIP(addr).Unwrap()
metadata.OriginDestination = a.udpAddr
err = a.oobPacketHandler.NewPacket(a.ctx, packetService, buffer, oob[:oobN], metadata)
@ -109,9 +104,7 @@ func (a *myInboundAdapter) loopUDPInThreadSafe() {
var metadata adapter.InboundContext
metadata.Inbound = a.tag
metadata.InboundType = a.protocol
metadata.SniffEnabled = a.listenOptions.SniffEnabled
metadata.SniffOverrideDestination = a.listenOptions.SniffOverrideDestination
metadata.DomainStrategy = dns.DomainStrategy(a.listenOptions.DomainStrategy)
metadata.InboundOptions = a.listenOptions.InboundOptions
metadata.Source = M.SocksaddrFromNetIP(addr).Unwrap()
metadata.OriginDestination = a.udpAddr
err = a.packetHandler.NewPacket(a.ctx, packetService, buffer, metadata)
@ -137,9 +130,7 @@ func (a *myInboundAdapter) loopUDPOOBInThreadSafe() {
var metadata adapter.InboundContext
metadata.Inbound = a.tag
metadata.InboundType = a.protocol
metadata.SniffEnabled = a.listenOptions.SniffEnabled
metadata.SniffOverrideDestination = a.listenOptions.SniffOverrideDestination
metadata.DomainStrategy = dns.DomainStrategy(a.listenOptions.DomainStrategy)
metadata.InboundOptions = a.listenOptions.InboundOptions
metadata.Source = M.SocksaddrFromNetIP(addr).Unwrap()
metadata.OriginDestination = a.udpAddr
err = a.oobPacketHandler.NewPacket(a.ctx, packetService, buffer, oob[:oobN], metadata)

5
inbound/hysteria.go
View file

@ -15,7 +15,6 @@ import (
"github.com/sagernet/sing-box/log"
"github.com/sagernet/sing-box/option"
"github.com/sagernet/sing-box/transport/hysteria"
"github.com/sagernet/sing-dns"
"github.com/sagernet/sing/common"
E "github.com/sagernet/sing/common/exceptions"
M "github.com/sagernet/sing/common/metadata"
@ -258,9 +257,7 @@ func (h *Hysteria) acceptStream(ctx context.Context, conn quic.Connection, strea
var metadata adapter.InboundContext
metadata.Inbound = h.tag
metadata.InboundType = C.TypeHysteria
metadata.SniffEnabled = h.listenOptions.SniffEnabled
metadata.SniffOverrideDestination = h.listenOptions.SniffOverrideDestination
metadata.DomainStrategy = dns.DomainStrategy(h.listenOptions.DomainStrategy)
metadata.InboundOptions = h.listenOptions.InboundOptions
metadata.Source = M.SocksaddrFromNet(conn.RemoteAddr()).Unwrap()
metadata.OriginDestination = M.SocksaddrFromNet(conn.LocalAddr()).Unwrap()
metadata.Destination = M.ParseSocksaddrHostPort(request.Host, request.Port).Unwrap()

9
inbound/tun.go
View file

@ -12,7 +12,6 @@ import (
C "github.com/sagernet/sing-box/constant"
"github.com/sagernet/sing-box/log"
"github.com/sagernet/sing-box/option"
"github.com/sagernet/sing-dns"
"github.com/sagernet/sing-tun"
"github.com/sagernet/sing/common"
E "github.com/sagernet/sing/common/exceptions"
@ -181,9 +180,7 @@ func (t *Tun) NewConnection(ctx context.Context, conn net.Conn, upstreamMetadata
metadata.InboundType = C.TypeTun
metadata.Source = upstreamMetadata.Source
metadata.Destination = upstreamMetadata.Destination
metadata.SniffEnabled = t.inboundOptions.SniffEnabled
metadata.SniffOverrideDestination = t.inboundOptions.SniffOverrideDestination
metadata.DomainStrategy = dns.DomainStrategy(t.inboundOptions.DomainStrategy)
metadata.InboundOptions = t.inboundOptions
t.logger.InfoContext(ctx, "inbound connection from ", metadata.Source)
t.logger.InfoContext(ctx, "inbound connection to ", metadata.Destination)
err := t.router.RouteConnection(ctx, conn, metadata)
@ -203,9 +200,7 @@ func (t *Tun) NewPacketConnection(ctx context.Context, conn N.PacketConn, upstre
metadata.InboundType = C.TypeTun
metadata.Source = upstreamMetadata.Source
metadata.Destination = upstreamMetadata.Destination
metadata.SniffEnabled = t.inboundOptions.SniffEnabled
metadata.SniffOverrideDestination = t.inboundOptions.SniffOverrideDestination
metadata.DomainStrategy = dns.DomainStrategy(t.inboundOptions.DomainStrategy)
metadata.InboundOptions = t.inboundOptions
t.logger.InfoContext(ctx, "inbound packet connection from ", metadata.Source)
t.logger.InfoContext(ctx, "inbound packet connection to ", metadata.Destination)
err := t.router.RoutePacketConnection(ctx, conn, metadata)

1
option/inbound.go
View file

@ -107,6 +107,7 @@ func (h *Inbound) UnmarshalJSON(bytes []byte) error {
type InboundOptions struct {
SniffEnabled bool `json:"sniff,omitempty"`
SniffOverrideDestination bool `json:"sniff_override_destination,omitempty"`
SniffTimeout Duration `json:"sniff_timeout,omitempty"`
DomainStrategy DomainStrategy `json:"domain_strategy,omitempty"`
}

2
outbound/direct.go
View file

@ -132,7 +132,7 @@ func (h *Direct) DialParallel(ctx context.Context, network string, destination M
if h.domainStrategy != dns.DomainStrategyAsIS {
domainStrategy = h.domainStrategy
} else {
domainStrategy = metadata.DomainStrategy
domainStrategy = dns.DomainStrategy(metadata.InboundOptions.DomainStrategy)
}
conn, err := N.DialParallel(ctx, h.dialer, network, destination, destinationAddresses, domainStrategy == dns.DomainStrategyPreferIPv6, h.fallbackDelay)
if err != nil {

18
route/router.go
View file

@ -552,14 +552,14 @@ func (r *Router) RouteConnection(ctx context.Context, conn net.Conn, metadata ad
metadata.Destination = M.Socksaddr{}
return r.RoutePacketConnection(ctx, uot.NewClientConn(conn), metadata)
}
if metadata.SniffEnabled {
if metadata.InboundOptions.SniffEnabled {
buffer := buf.NewPacket()
buffer.FullReset()
sniffMetadata, err := sniff.PeekStream(ctx, conn, buffer, sniff.StreamDomainNameQuery, sniff.TLSClientHello, sniff.HTTPHost)
sniffMetadata, err := sniff.PeekStream(ctx, conn, buffer, time.Duration(metadata.InboundOptions.SniffTimeout), sniff.StreamDomainNameQuery, sniff.TLSClientHello, sniff.HTTPHost)
if err == nil {
metadata.Protocol = sniffMetadata.Protocol
metadata.Domain = sniffMetadata.Domain
if metadata.SniffOverrideDestination && M.IsDomainName(metadata.Domain) {
if metadata.InboundOptions.SniffOverrideDestination && M.IsDomainName(metadata.Domain) {
metadata.Destination = M.Socksaddr{
Fqdn: metadata.Domain,
Port: metadata.Destination.Port,
@ -577,8 +577,8 @@ func (r *Router) RouteConnection(ctx context.Context, conn net.Conn, metadata ad
buffer.Release()
}
}
if metadata.Destination.IsFqdn() && metadata.DomainStrategy != dns.DomainStrategyAsIS {
addresses, err := r.Lookup(adapter.WithContext(ctx, &metadata), metadata.Destination.Fqdn, metadata.DomainStrategy)
if metadata.Destination.IsFqdn() && dns.DomainStrategy(metadata.InboundOptions.DomainStrategy) != dns.DomainStrategyAsIS {
addresses, err := r.Lookup(adapter.WithContext(ctx, &metadata), metadata.Destination.Fqdn, dns.DomainStrategy(metadata.InboundOptions.DomainStrategy))
if err != nil {
return err
}
@ -629,7 +629,7 @@ func (r *Router) RoutePacketConnection(ctx context.Context, conn N.PacketConn, m
return nil
}
metadata.Network = N.NetworkUDP
if metadata.SniffEnabled {
if metadata.InboundOptions.SniffEnabled {
buffer := buf.NewPacket()
buffer.FullReset()
destination, err := conn.ReadPacket(buffer)
@ -641,7 +641,7 @@ func (r *Router) RoutePacketConnection(ctx context.Context, conn N.PacketConn, m
if err == nil {
metadata.Protocol = sniffMetadata.Protocol
metadata.Domain = sniffMetadata.Domain
if metadata.SniffOverrideDestination && M.IsDomainName(metadata.Domain) {
if metadata.InboundOptions.SniffOverrideDestination && M.IsDomainName(metadata.Domain) {
metadata.Destination = M.Socksaddr{
Fqdn: metadata.Domain,
Port: metadata.Destination.Port,
@ -655,8 +655,8 @@ func (r *Router) RoutePacketConnection(ctx context.Context, conn N.PacketConn, m
}
conn = bufio.NewCachedPacketConn(conn, buffer, destination)
}
if metadata.Destination.IsFqdn() && metadata.Destination.Fqdn != uot.UOTMagicAddress && metadata.DomainStrategy != dns.DomainStrategyAsIS {
addresses, err := r.Lookup(adapter.WithContext(ctx, &metadata), metadata.Destination.Fqdn, metadata.DomainStrategy)
if metadata.Destination.IsFqdn() && metadata.Destination.Fqdn != uot.UOTMagicAddress && dns.DomainStrategy(metadata.InboundOptions.DomainStrategy) != dns.DomainStrategyAsIS {
addresses, err := r.Lookup(adapter.WithContext(ctx, &metadata), metadata.Destination.Fqdn, dns.DomainStrategy(metadata.InboundOptions.DomainStrategy))
if err != nil {
return err
}