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Initialize L3 routing support

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世界 2023-03-21 21:36:17 +08:00
parent 9324a39d4e
commit 9092139e73
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GPG key ID: CD109927C34A63C4
51 changed files with 1486 additions and 957 deletions
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2
adapter/inbound.go
View file

@ -27,7 +27,7 @@ type InjectableInbound interface {
type InboundContext struct {
Inbound string
InboundType string
IPVersion int
IPVersion uint8
Network string
Source M.Socksaddr
Destination M.Socksaddr

6
adapter/outbound.go
View file

@ -4,6 +4,7 @@ import (
"context"
"net"
tun "github.com/sagernet/sing-tun"
N "github.com/sagernet/sing/common/network"
)
@ -17,3 +18,8 @@ type Outbound interface {
NewConnection(ctx context.Context, conn net.Conn, metadata InboundContext) error
NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata InboundContext) error
}
type IPOutbound interface {
Outbound
NewIPConnection(ctx context.Context, conn tun.RouteContext, metadata InboundContext) (tun.DirectDestination, error)
}

10
adapter/router.go
View file

@ -23,6 +23,9 @@ type Router interface {
RouteConnection(ctx context.Context, conn net.Conn, metadata InboundContext) error
RoutePacketConnection(ctx context.Context, conn N.PacketConn, metadata InboundContext) error
RouteIPConnection(ctx context.Context, conn tun.RouteContext, metadata InboundContext) tun.RouteAction
NatRequired(outbound string) bool
GeoIPReader() *geoip.Reader
LoadGeosite(code string) (Rule, error)
@ -39,7 +42,9 @@ type Router interface {
NetworkMonitor() tun.NetworkUpdateMonitor
InterfaceMonitor() tun.DefaultInterfaceMonitor
PackageManager() tun.PackageManager
Rules() []Rule
IPRules() []IPRule
TimeService
@ -78,6 +83,11 @@ type DNSRule interface {
DisableCache() bool
}
type IPRule interface {
Rule
Action() tun.ActionType
}
type InterfaceUpdateListener interface {
InterfaceUpdated() error
}

33
box.go
View file

@ -238,6 +238,7 @@ func (s *Box) Start() error {
func (s *Box) preStart() error {
for serviceName, service := range s.preServices {
s.logger.Trace("pre-starting ", serviceName)
err := adapter.PreStart(service)
if err != nil {
return E.Cause(err, "pre-start ", serviceName)
@ -245,14 +246,15 @@ func (s *Box) preStart() error {
}
for i, out := range s.outbounds {
if starter, isStarter := out.(common.Starter); isStarter {
err := starter.Start()
if err != nil {
var tag string
if out.Tag() == "" {
tag = F.ToString(i)
} else {
tag = out.Tag()
}
s.logger.Trace("initializing outbound ", tag)
err := starter.Start()
if err != nil {
return E.Cause(err, "initialize outbound/", out.Type(), "[", tag, "]")
}
}
@ -266,27 +268,30 @@ func (s *Box) start() error {
return err
}
for serviceName, service := range s.preServices {
s.logger.Trace("starting ", serviceName)
err = service.Start()
if err != nil {
return E.Cause(err, "start ", serviceName)
}
}
for i, in := range s.inbounds {
err = in.Start()
if err != nil {
var tag string
if in.Tag() == "" {
tag = F.ToString(i)
} else {
tag = in.Tag()
}
s.logger.Trace("initializing inbound ", tag)
err = in.Start()
if err != nil {
return E.Cause(err, "initialize inbound/", in.Type(), "[", tag, "]")
}
}
for serviceName, service := range s.postServices {
s.logger.Trace("start ", serviceName)
err = service.Start()
if err != nil {
return E.Cause(err, "start ", serviceName)
return E.Cause(err, "starting ", serviceName)
}
}
return nil
@ -302,29 +307,47 @@ func (s *Box) Close() error {
var errors error
for serviceName, service := range s.postServices {
errors = E.Append(errors, service.Close(), func(err error) error {
s.logger.Trace("closing ", serviceName)
return E.Cause(err, "close ", serviceName)
})
}
for i, in := range s.inbounds {
var tag string
if in.Tag() == "" {
tag = F.ToString(i)
} else {
tag = in.Tag()
}
s.logger.Trace("closing inbound ", tag)
errors = E.Append(errors, in.Close(), func(err error) error {
return E.Cause(err, "close inbound/", in.Type(), "[", i, "]")
})
}
for i, out := range s.outbounds {
var tag string
if out.Tag() == "" {
tag = F.ToString(i)
} else {
tag = out.Tag()
}
s.logger.Trace("closing outbound ", tag)
errors = E.Append(errors, common.Close(out), func(err error) error {
return E.Cause(err, "close inbound/", out.Type(), "[", i, "]")
})
}
s.logger.Trace("closing router")
if err := common.Close(s.router); err != nil {
errors = E.Append(errors, err, func(err error) error {
return E.Cause(err, "close router")
})
}
for serviceName, service := range s.preServices {
s.logger.Trace("closing ", serviceName)
errors = E.Append(errors, service.Close(), func(err error) error {
return E.Cause(err, "close ", serviceName)
})
}
s.logger.Trace("closing logger")
if err := common.Close(s.logFactory); err != nil {
errors = E.Append(errors, err, func(err error) error {
return E.Cause(err, "close log factory")

7
common/dialer/tfo.go
View file

@ -27,7 +27,12 @@ type slowOpenConn struct {
func DialSlowContext(dialer *tfo.Dialer, ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
if dialer.DisableTFO || N.NetworkName(network) != N.NetworkTCP {
return dialer.DialContext(ctx, network, destination.String(), nil)
switch N.NetworkName(network) {
case N.NetworkTCP, N.NetworkUDP:
return dialer.Dialer.DialContext(ctx, network, destination.String())
default:
return dialer.Dialer.DialContext(ctx, network, destination.AddrString())
}
}
return &slowOpenConn{
dialer: dialer,

4
go.mod
View file

@ -25,11 +25,11 @@ require (
github.com/sagernet/gomobile v0.0.0-20221130124640-349ebaa752ca
github.com/sagernet/quic-go v0.0.0-20230202071646-a8c8afb18b32
github.com/sagernet/reality v0.0.0-20230312150606-35ea9af0e0b8
github.com/sagernet/sing v0.2.1-0.20230318094614-4bbf5f2c3046
github.com/sagernet/sing v0.2.1-0.20230321172705-3e60222a1a7d
github.com/sagernet/sing-dns v0.1.4
github.com/sagernet/sing-shadowsocks v0.2.0
github.com/sagernet/sing-shadowtls v0.1.0
github.com/sagernet/sing-tun v0.1.3-0.20230315134716-fe89bbded22d
github.com/sagernet/sing-tun v0.1.3-0.20230321172818-56bedd2f0558
github.com/sagernet/sing-vmess v0.1.3
github.com/sagernet/smux v0.0.0-20230312102458-337ec2a5af37
github.com/sagernet/tfo-go v0.0.0-20230303015439-ffcfd8c41cf9

8
go.sum
View file

@ -111,16 +111,16 @@ github.com/sagernet/reality v0.0.0-20230312150606-35ea9af0e0b8 h1:4M3+0/kqvJuTsi
github.com/sagernet/reality v0.0.0-20230312150606-35ea9af0e0b8/go.mod h1:B8lp4WkQ1PwNnrVMM6KyuFR20pU8jYBD+A4EhJovEXU=
github.com/sagernet/sing v0.0.0-20220817130738-ce854cda8522/go.mod h1:QVsS5L/ZA2Q5UhQwLrn0Trw+msNd/NPGEhBKR/ioWiY=
github.com/sagernet/sing v0.1.8/go.mod h1:jt1w2u7lJQFFSGLiRrRIs5YWmx4kAPfWuOejuDW9qMk=
github.com/sagernet/sing v0.2.1-0.20230318094614-4bbf5f2c3046 h1:/+ZWbxRvQmco9ES2qT5Eh/x/IiQRjAcUyRG/vQ4dpxc=
github.com/sagernet/sing v0.2.1-0.20230318094614-4bbf5f2c3046/go.mod h1:9uHswk2hITw8leDbiLS/xn0t9nzBcbePxzm9PJhwdlw=
github.com/sagernet/sing v0.2.1-0.20230321172705-3e60222a1a7d h1:ktk03rtgPqTDyUd2dWg1uzyr5RnptX8grSMvIzedJlQ=
github.com/sagernet/sing v0.2.1-0.20230321172705-3e60222a1a7d/go.mod h1:9uHswk2hITw8leDbiLS/xn0t9nzBcbePxzm9PJhwdlw=
github.com/sagernet/sing-dns v0.1.4 h1:7VxgeoSCiiazDSaXXQVcvrTBxFpOePPq/4XdgnUDN+0=
github.com/sagernet/sing-dns v0.1.4/go.mod h1:1+6pCa48B1AI78lD+/i/dLgpw4MwfnsSpZo0Ds8wzzk=
github.com/sagernet/sing-shadowsocks v0.2.0 h1:ILDWL7pwWfkPLEbviE/MyCgfjaBmJY/JVVY+5jhSb58=
github.com/sagernet/sing-shadowsocks v0.2.0/go.mod h1:ysYzszRLpNzJSorvlWRMuzU6Vchsp7sd52q+JNY4axw=
github.com/sagernet/sing-shadowtls v0.1.0 h1:05MYce8aR5xfKIn+y7xRFsdKhKt44QZTSEQW+lG5IWQ=
github.com/sagernet/sing-shadowtls v0.1.0/go.mod h1:Kn1VUIprdkwCgkS6SXYaLmIpKzQbqBIKJBMY+RvBhYc=
github.com/sagernet/sing-tun v0.1.3-0.20230315134716-fe89bbded22d h1:1gt4Hu2fHCrmL2NZYCNJ3nCgeczuhK09oCMni9mZmZk=
github.com/sagernet/sing-tun v0.1.3-0.20230315134716-fe89bbded22d/go.mod h1:KnRkwaDHbb06zgeNPu0LQ8A+vA9myMxKEgHN1brCPHg=
github.com/sagernet/sing-tun v0.1.3-0.20230321172818-56bedd2f0558 h1:c5Rm6BTOclEeayS6G9+1rI1kTeilCsn0ALSFbOdlgRE=
github.com/sagernet/sing-tun v0.1.3-0.20230321172818-56bedd2f0558/go.mod h1:cqnZEm+2ArgP4Gq1NcQfVFm9CZaeGw21mG9AcnYOTiU=
github.com/sagernet/sing-vmess v0.1.3 h1:q/+tsF46dvvapL6CpQBgPHJ6nQrDUZqEtLHCbsjO7iM=
github.com/sagernet/sing-vmess v0.1.3/go.mod h1:GVXqAHwe9U21uS+Voh4YBIrADQyE4F9v0ayGSixSQAE=
github.com/sagernet/smux v0.0.0-20230312102458-337ec2a5af37 h1:HuE6xSwco/Xed8ajZ+coeYLmioq0Qp1/Z2zczFaV8as=

38
inbound/tun.go
View file

@ -21,7 +21,10 @@ import (
"github.com/sagernet/sing/common/ranges"
)
var _ adapter.Inbound = (*Tun)(nil)
var (
_ adapter.Inbound = (*Tun)(nil)
_ tun.Router = (*Tun)(nil)
)
type Tun struct {
tag string
@ -40,10 +43,6 @@ type Tun struct {
}
func NewTun(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, options option.TunInboundOptions, platformInterface platform.Interface) (*Tun, error) {
tunName := options.InterfaceName
if tunName == "" {
tunName = tun.CalculateInterfaceName("")
}
tunMTU := options.MTU
if tunMTU == 0 {
tunMTU = 9000
@ -77,7 +76,7 @@ func NewTun(ctx context.Context, router adapter.Router, logger log.ContextLogger
logger: logger,
inboundOptions: options.InboundOptions,
tunOptions: tun.Options{
Name: tunName,
Name: options.InterfaceName,
MTU: tunMTU,
Inet4Address: common.Map(options.Inet4Address, option.ListenPrefix.Build),
Inet6Address: common.Map(options.Inet6Address, option.ListenPrefix.Build),
@ -143,12 +142,17 @@ func (t *Tun) Tag() string {
func (t *Tun) Start() error {
if C.IsAndroid && t.platformInterface == nil {
t.logger.Trace("building android rules")
t.tunOptions.BuildAndroidRules(t.router.PackageManager(), t)
}
if t.tunOptions.Name == "" {
t.tunOptions.Name = tun.CalculateInterfaceName("")
}
var (
tunInterface tun.Tun
err error
)
t.logger.Trace("opening interface")
if t.platformInterface != nil {
tunInterface, err = t.platformInterface.OpenTun(t.tunOptions, t.platformOptions)
} else {
@ -157,7 +161,12 @@ func (t *Tun) Start() error {
if err != nil {
return E.Cause(err, "configure tun interface")
}
t.logger.Trace("creating stack")
t.tunIf = tunInterface
var tunRouter tun.Router
if len(t.router.IPRules()) > 0 {
tunRouter = t
}
t.tunStack, err = tun.NewStack(t.stack, tun.StackOptions{
Context: t.ctx,
Tun: tunInterface,
@ -167,6 +176,7 @@ func (t *Tun) Start() error {
Inet6Address: t.tunOptions.Inet6Address,
EndpointIndependentNat: t.endpointIndependentNat,
UDPTimeout: t.udpTimeout,
Router: tunRouter,
Handler: t,
Logger: t.logger,
UnderPlatform: t.platformInterface != nil,
@ -174,6 +184,7 @@ func (t *Tun) Start() error {
if err != nil {
return err
}
t.logger.Trace("starting stack")
err = t.tunStack.Start()
if err != nil {
return err
@ -189,6 +200,21 @@ func (t *Tun) Close() error {
)
}
func (t *Tun) RouteConnection(session tun.RouteSession, conn tun.RouteContext) tun.RouteAction {
ctx := log.ContextWithNewID(t.ctx)
var metadata adapter.InboundContext
metadata.Inbound = t.tag
metadata.InboundType = C.TypeTun
metadata.IPVersion = session.IPVersion
metadata.Network = tun.NetworkName(session.Network)
metadata.Source = M.SocksaddrFromNetIP(session.Source)
metadata.Destination = M.SocksaddrFromNetIP(session.Destination)
metadata.InboundOptions = t.inboundOptions
t.logger.DebugContext(ctx, "incoming connection from ", metadata.Source)
t.logger.DebugContext(ctx, "incoming connection to ", metadata.Destination)
return t.router.RouteIPConnection(ctx, conn, metadata)
}
func (t *Tun) NewConnection(ctx context.Context, conn net.Conn, upstreamMetadata M.Metadata) error {
ctx = log.ContextWithNewID(ctx)
var metadata adapter.InboundContext

103
option/dns.go
View file

@ -1,14 +1,5 @@
package option
import (
"reflect"
"github.com/sagernet/sing-box/common/json"
C "github.com/sagernet/sing-box/constant"
"github.com/sagernet/sing/common"
E "github.com/sagernet/sing/common/exceptions"
)
type DNSOptions struct {
Servers []DNSServerOptions `json:"servers,omitempty"`
Rules []DNSRule `json:"rules,omitempty"`
@ -31,97 +22,3 @@ type DNSServerOptions struct {
Strategy DomainStrategy `json:"strategy,omitempty"`
Detour string `json:"detour,omitempty"`
}
type _DNSRule struct {
Type string `json:"type,omitempty"`
DefaultOptions DefaultDNSRule `json:"-"`
LogicalOptions LogicalDNSRule `json:"-"`
}
type DNSRule _DNSRule
func (r DNSRule) MarshalJSON() ([]byte, error) {
var v any
switch r.Type {
case C.RuleTypeDefault:
r.Type = ""
v = r.DefaultOptions
case C.RuleTypeLogical:
v = r.LogicalOptions
default:
return nil, E.New("unknown rule type: " + r.Type)
}
return MarshallObjects((_DNSRule)(r), v)
}
func (r *DNSRule) UnmarshalJSON(bytes []byte) error {
err := json.Unmarshal(bytes, (*_DNSRule)(r))
if err != nil {
return err
}
var v any
switch r.Type {
case "", C.RuleTypeDefault:
r.Type = C.RuleTypeDefault
v = &r.DefaultOptions
case C.RuleTypeLogical:
v = &r.LogicalOptions
default:
return E.New("unknown rule type: " + r.Type)
}
err = UnmarshallExcluded(bytes, (*_DNSRule)(r), v)
if err != nil {
return E.Cause(err, "dns route rule")
}
return nil
}
type DefaultDNSRule struct {
Inbound Listable[string] `json:"inbound,omitempty"`
IPVersion int `json:"ip_version,omitempty"`
QueryType Listable[DNSQueryType] `json:"query_type,omitempty"`
Network string `json:"network,omitempty"`
AuthUser Listable[string] `json:"auth_user,omitempty"`
Protocol Listable[string] `json:"protocol,omitempty"`
Domain Listable[string] `json:"domain,omitempty"`
DomainSuffix Listable[string] `json:"domain_suffix,omitempty"`
DomainKeyword Listable[string] `json:"domain_keyword,omitempty"`
DomainRegex Listable[string] `json:"domain_regex,omitempty"`
Geosite Listable[string] `json:"geosite,omitempty"`
SourceGeoIP Listable[string] `json:"source_geoip,omitempty"`
SourceIPCIDR Listable[string] `json:"source_ip_cidr,omitempty"`
SourcePort Listable[uint16] `json:"source_port,omitempty"`
SourcePortRange Listable[string] `json:"source_port_range,omitempty"`
Port Listable[uint16] `json:"port,omitempty"`
PortRange Listable[string] `json:"port_range,omitempty"`
ProcessName Listable[string] `json:"process_name,omitempty"`
ProcessPath Listable[string] `json:"process_path,omitempty"`
PackageName Listable[string] `json:"package_name,omitempty"`
User Listable[string] `json:"user,omitempty"`
UserID Listable[int32] `json:"user_id,omitempty"`
Outbound Listable[string] `json:"outbound,omitempty"`
ClashMode string `json:"clash_mode,omitempty"`
Invert bool `json:"invert,omitempty"`
Server string `json:"server,omitempty"`
DisableCache bool `json:"disable_cache,omitempty"`
}
func (r DefaultDNSRule) IsValid() bool {
var defaultValue DefaultDNSRule
defaultValue.Invert = r.Invert
defaultValue.Server = r.Server
defaultValue.DisableCache = r.DisableCache
return !reflect.DeepEqual(r, defaultValue)
}
type LogicalDNSRule struct {
Mode string `json:"mode"`
Rules []DefaultDNSRule `json:"rules,omitempty"`
Invert bool `json:"invert,omitempty"`
Server string `json:"server,omitempty"`
DisableCache bool `json:"disable_cache,omitempty"`
}
func (r LogicalDNSRule) IsValid() bool {
return len(r.Rules) > 0 && common.All(r.Rules, DefaultDNSRule.IsValid)
}

101
option/route.go
View file

@ -1,17 +1,9 @@
package option
import (
"reflect"
"github.com/sagernet/sing-box/common/json"
C "github.com/sagernet/sing-box/constant"
"github.com/sagernet/sing/common"
E "github.com/sagernet/sing/common/exceptions"
)
type RouteOptions struct {
GeoIP *GeoIPOptions `json:"geoip,omitempty"`
Geosite *GeositeOptions `json:"geosite,omitempty"`
IPRules []IPRule `json:"ip_rules,omitempty"`
Rules []Rule `json:"rules,omitempty"`
Final string `json:"final,omitempty"`
FindProcess bool `json:"find_process,omitempty"`
@ -32,94 +24,3 @@ type GeositeOptions struct {
DownloadURL string `json:"download_url,omitempty"`
DownloadDetour string `json:"download_detour,omitempty"`
}
type _Rule struct {
Type string `json:"type,omitempty"`
DefaultOptions DefaultRule `json:"-"`
LogicalOptions LogicalRule `json:"-"`
}
type Rule _Rule
func (r Rule) MarshalJSON() ([]byte, error) {
var v any
switch r.Type {
case C.RuleTypeDefault:
r.Type = ""
v = r.DefaultOptions
case C.RuleTypeLogical:
v = r.LogicalOptions
default:
return nil, E.New("unknown rule type: " + r.Type)
}
return MarshallObjects((_Rule)(r), v)
}
func (r *Rule) UnmarshalJSON(bytes []byte) error {
err := json.Unmarshal(bytes, (*_Rule)(r))
if err != nil {
return err
}
var v any
switch r.Type {
case "", C.RuleTypeDefault:
r.Type = C.RuleTypeDefault
v = &r.DefaultOptions
case C.RuleTypeLogical:
v = &r.LogicalOptions
default:
return E.New("unknown rule type: " + r.Type)
}
err = UnmarshallExcluded(bytes, (*_Rule)(r), v)
if err != nil {
return E.Cause(err, "route rule")
}
return nil
}
type DefaultRule struct {
Inbound Listable[string] `json:"inbound,omitempty"`
IPVersion int `json:"ip_version,omitempty"`
Network string `json:"network,omitempty"`
AuthUser Listable[string] `json:"auth_user,omitempty"`
Protocol Listable[string] `json:"protocol,omitempty"`
Domain Listable[string] `json:"domain,omitempty"`
DomainSuffix Listable[string] `json:"domain_suffix,omitempty"`
DomainKeyword Listable[string] `json:"domain_keyword,omitempty"`
DomainRegex Listable[string] `json:"domain_regex,omitempty"`
Geosite Listable[string] `json:"geosite,omitempty"`
SourceGeoIP Listable[string] `json:"source_geoip,omitempty"`
GeoIP Listable[string] `json:"geoip,omitempty"`
SourceIPCIDR Listable[string] `json:"source_ip_cidr,omitempty"`
IPCIDR Listable[string] `json:"ip_cidr,omitempty"`
SourcePort Listable[uint16] `json:"source_port,omitempty"`
SourcePortRange Listable[string] `json:"source_port_range,omitempty"`
Port Listable[uint16] `json:"port,omitempty"`
PortRange Listable[string] `json:"port_range,omitempty"`
ProcessName Listable[string] `json:"process_name,omitempty"`
ProcessPath Listable[string] `json:"process_path,omitempty"`
PackageName Listable[string] `json:"package_name,omitempty"`
User Listable[string] `json:"user,omitempty"`
UserID Listable[int32] `json:"user_id,omitempty"`
ClashMode string `json:"clash_mode,omitempty"`
Invert bool `json:"invert,omitempty"`
Outbound string `json:"outbound,omitempty"`
}
func (r DefaultRule) IsValid() bool {
var defaultValue DefaultRule
defaultValue.Invert = r.Invert
defaultValue.Outbound = r.Outbound
return !reflect.DeepEqual(r, defaultValue)
}
type LogicalRule struct {
Mode string `json:"mode"`
Rules []DefaultRule `json:"rules,omitempty"`
Invert bool `json:"invert,omitempty"`
Outbound string `json:"outbound,omitempty"`
}
func (r LogicalRule) IsValid() bool {
return len(r.Rules) > 0 && common.All(r.Rules, DefaultRule.IsValid)
}

101
option/rule.go Normal file
View file

@ -0,0 +1,101 @@
package option
import (
"reflect"
"github.com/sagernet/sing-box/common/json"
C "github.com/sagernet/sing-box/constant"
"github.com/sagernet/sing/common"
E "github.com/sagernet/sing/common/exceptions"
)
type _Rule struct {
Type string `json:"type,omitempty"`
DefaultOptions DefaultRule `json:"-"`
LogicalOptions LogicalRule `json:"-"`
}
type Rule _Rule
func (r Rule) MarshalJSON() ([]byte, error) {
var v any
switch r.Type {
case C.RuleTypeDefault:
r.Type = ""
v = r.DefaultOptions
case C.RuleTypeLogical:
v = r.LogicalOptions
default:
return nil, E.New("unknown rule type: " + r.Type)
}
return MarshallObjects((_Rule)(r), v)
}
func (r *Rule) UnmarshalJSON(bytes []byte) error {
err := json.Unmarshal(bytes, (*_Rule)(r))
if err != nil {
return err
}
var v any
switch r.Type {
case "", C.RuleTypeDefault:
r.Type = C.RuleTypeDefault
v = &r.DefaultOptions
case C.RuleTypeLogical:
v = &r.LogicalOptions
default:
return E.New("unknown rule type: " + r.Type)
}
err = UnmarshallExcluded(bytes, (*_Rule)(r), v)
if err != nil {
return E.Cause(err, "route rule")
}
return nil
}
type DefaultRule struct {
Inbound Listable[string] `json:"inbound,omitempty"`
IPVersion int `json:"ip_version,omitempty"`
Network Listable[string] `json:"network,omitempty"`
AuthUser Listable[string] `json:"auth_user,omitempty"`
Protocol Listable[string] `json:"protocol,omitempty"`
Domain Listable[string] `json:"domain,omitempty"`
DomainSuffix Listable[string] `json:"domain_suffix,omitempty"`
DomainKeyword Listable[string] `json:"domain_keyword,omitempty"`
DomainRegex Listable[string] `json:"domain_regex,omitempty"`
Geosite Listable[string] `json:"geosite,omitempty"`
SourceGeoIP Listable[string] `json:"source_geoip,omitempty"`
GeoIP Listable[string] `json:"geoip,omitempty"`
SourceIPCIDR Listable[string] `json:"source_ip_cidr,omitempty"`
IPCIDR Listable[string] `json:"ip_cidr,omitempty"`
SourcePort Listable[uint16] `json:"source_port,omitempty"`
SourcePortRange Listable[string] `json:"source_port_range,omitempty"`
Port Listable[uint16] `json:"port,omitempty"`
PortRange Listable[string] `json:"port_range,omitempty"`
ProcessName Listable[string] `json:"process_name,omitempty"`
ProcessPath Listable[string] `json:"process_path,omitempty"`
PackageName Listable[string] `json:"package_name,omitempty"`
User Listable[string] `json:"user,omitempty"`
UserID Listable[int32] `json:"user_id,omitempty"`
ClashMode string `json:"clash_mode,omitempty"`
Invert bool `json:"invert,omitempty"`
Outbound string `json:"outbound,omitempty"`
}
func (r DefaultRule) IsValid() bool {
var defaultValue DefaultRule
defaultValue.Invert = r.Invert
defaultValue.Outbound = r.Outbound
return !reflect.DeepEqual(r, defaultValue)
}
type LogicalRule struct {
Mode string `json:"mode"`
Rules []DefaultRule `json:"rules,omitempty"`
Invert bool `json:"invert,omitempty"`
Outbound string `json:"outbound,omitempty"`
}
func (r LogicalRule) IsValid() bool {
return len(r.Rules) > 0 && common.All(r.Rules, DefaultRule.IsValid)
}

104
option/rule_dns.go Normal file
View file

@ -0,0 +1,104 @@
package option
import (
"reflect"
"github.com/sagernet/sing-box/common/json"
C "github.com/sagernet/sing-box/constant"
"github.com/sagernet/sing/common"
E "github.com/sagernet/sing/common/exceptions"
)
type _DNSRule struct {
Type string `json:"type,omitempty"`
DefaultOptions DefaultDNSRule `json:"-"`
LogicalOptions LogicalDNSRule `json:"-"`
}
type DNSRule _DNSRule
func (r DNSRule) MarshalJSON() ([]byte, error) {
var v any
switch r.Type {
case C.RuleTypeDefault:
r.Type = ""
v = r.DefaultOptions
case C.RuleTypeLogical:
v = r.LogicalOptions
default:
return nil, E.New("unknown rule type: " + r.Type)
}
return MarshallObjects((_DNSRule)(r), v)
}
func (r *DNSRule) UnmarshalJSON(bytes []byte) error {
err := json.Unmarshal(bytes, (*_DNSRule)(r))
if err != nil {
return err
}
var v any
switch r.Type {
case "", C.RuleTypeDefault:
r.Type = C.RuleTypeDefault
v = &r.DefaultOptions
case C.RuleTypeLogical:
v = &r.LogicalOptions
default:
return E.New("unknown rule type: " + r.Type)
}
err = UnmarshallExcluded(bytes, (*_DNSRule)(r), v)
if err != nil {
return E.Cause(err, "dns route rule")
}
return nil
}
type DefaultDNSRule struct {
Inbound Listable[string] `json:"inbound,omitempty"`
IPVersion int `json:"ip_version,omitempty"`
QueryType Listable[DNSQueryType] `json:"query_type,omitempty"`
Network Listable[string] `json:"network,omitempty"`
AuthUser Listable[string] `json:"auth_user,omitempty"`
Protocol Listable[string] `json:"protocol,omitempty"`
Domain Listable[string] `json:"domain,omitempty"`
DomainSuffix Listable[string] `json:"domain_suffix,omitempty"`
DomainKeyword Listable[string] `json:"domain_keyword,omitempty"`
DomainRegex Listable[string] `json:"domain_regex,omitempty"`
Geosite Listable[string] `json:"geosite,omitempty"`
SourceGeoIP Listable[string] `json:"source_geoip,omitempty"`
SourceIPCIDR Listable[string] `json:"source_ip_cidr,omitempty"`
SourcePort Listable[uint16] `json:"source_port,omitempty"`
SourcePortRange Listable[string] `json:"source_port_range,omitempty"`
Port Listable[uint16] `json:"port,omitempty"`
PortRange Listable[string] `json:"port_range,omitempty"`
ProcessName Listable[string] `json:"process_name,omitempty"`
ProcessPath Listable[string] `json:"process_path,omitempty"`
PackageName Listable[string] `json:"package_name,omitempty"`
User Listable[string] `json:"user,omitempty"`
UserID Listable[int32] `json:"user_id,omitempty"`
Outbound Listable[string] `json:"outbound,omitempty"`
ClashMode string `json:"clash_mode,omitempty"`
Invert bool `json:"invert,omitempty"`
Server string `json:"server,omitempty"`
DisableCache bool `json:"disable_cache,omitempty"`
}
func (r DefaultDNSRule) IsValid() bool {
var defaultValue DefaultDNSRule
defaultValue.Invert = r.Invert
defaultValue.Server = r.Server
defaultValue.DisableCache = r.DisableCache
return !reflect.DeepEqual(r, defaultValue)
}
type LogicalDNSRule struct {
Mode string `json:"mode"`
Rules []DefaultDNSRule `json:"rules,omitempty"`
Invert bool `json:"invert,omitempty"`
Server string `json:"server,omitempty"`
DisableCache bool `json:"disable_cache,omitempty"`
}
func (r LogicalDNSRule) IsValid() bool {
return len(r.Rules) > 0 && common.All(r.Rules, DefaultDNSRule.IsValid)
}

125
option/rule_ip.go Normal file
View file

@ -0,0 +1,125 @@
package option
import (
"reflect"
"github.com/sagernet/sing-box/common/json"
C "github.com/sagernet/sing-box/constant"
tun "github.com/sagernet/sing-tun"
"github.com/sagernet/sing/common"
E "github.com/sagernet/sing/common/exceptions"
)
type _IPRule struct {
Type string `json:"type,omitempty"`
DefaultOptions DefaultIPRule `json:"-"`
LogicalOptions LogicalIPRule `json:"-"`
}
type IPRule _IPRule
func (r IPRule) MarshalJSON() ([]byte, error) {
var v any
switch r.Type {
case C.RuleTypeDefault:
r.Type = ""
v = r.DefaultOptions
case C.RuleTypeLogical:
v = r.LogicalOptions
default:
return nil, E.New("unknown rule type: " + r.Type)
}
return MarshallObjects((_IPRule)(r), v)
}
func (r *IPRule) UnmarshalJSON(bytes []byte) error {
err := json.Unmarshal(bytes, (*_IPRule)(r))
if err != nil {
return err
}
var v any
switch r.Type {
case "", C.RuleTypeDefault:
r.Type = C.RuleTypeDefault
v = &r.DefaultOptions
case C.RuleTypeLogical:
v = &r.LogicalOptions
default:
return E.New("unknown rule type: " + r.Type)
}
err = UnmarshallExcluded(bytes, (*_IPRule)(r), v)
if err != nil {
return E.Cause(err, "ip route rule")
}
return nil
}
type DefaultIPRule struct {
Inbound Listable[string] `json:"inbound,omitempty"`
IPVersion int `json:"ip_version,omitempty"`
Network Listable[string] `json:"network,omitempty"`
Domain Listable[string] `json:"domain,omitempty"`
DomainSuffix Listable[string] `json:"domain_suffix,omitempty"`
DomainKeyword Listable[string] `json:"domain_keyword,omitempty"`
DomainRegex Listable[string] `json:"domain_regex,omitempty"`
Geosite Listable[string] `json:"geosite,omitempty"`
SourceGeoIP Listable[string] `json:"source_geoip,omitempty"`
SourceIPCIDR Listable[string] `json:"source_ip_cidr,omitempty"`
SourcePort Listable[uint16] `json:"source_port,omitempty"`
SourcePortRange Listable[string] `json:"source_port_range,omitempty"`
Port Listable[uint16] `json:"port,omitempty"`
PortRange Listable[string] `json:"port_range,omitempty"`
Invert bool `json:"invert,omitempty"`
Action RouteAction `json:"action,omitempty"`
Outbound string `json:"outbound,omitempty"`
}
type RouteAction tun.ActionType
func (a RouteAction) MarshalJSON() ([]byte, error) {
switch tun.ActionType(a) {
case tun.ActionTypeReject, tun.ActionTypeDirect:
default:
return nil, E.New("unknown action: ", a)
}
return json.Marshal(tun.ActionTypeName(tun.ActionType(a)))
}
func (a *RouteAction) UnmarshalJSON(bytes []byte) error {
var value string
err := json.Unmarshal(bytes, &value)
if err != nil {
return err
}
actionType, err := tun.ParseActionType(value)
if err != nil {
return err
}
switch actionType {
case tun.ActionTypeReject, tun.ActionTypeDirect:
default:
return E.New("unknown action: ", a)
}
*a = RouteAction(actionType)
return nil
}
func (r DefaultIPRule) IsValid() bool {
var defaultValue DefaultIPRule
defaultValue.Invert = r.Invert
defaultValue.Action = r.Action
defaultValue.Outbound = r.Outbound
return !reflect.DeepEqual(r, defaultValue)
}
type LogicalIPRule struct {
Mode string `json:"mode"`
Rules []DefaultIPRule `json:"rules,omitempty"`
Invert bool `json:"invert,omitempty"`
Action RouteAction `json:"action,omitempty"`
Outbound string `json:"outbound,omitempty"`
}
func (r LogicalIPRule) IsValid() bool {
return len(r.Rules) > 0 && common.All(r.Rules, DefaultIPRule.IsValid)
}

1
option/wireguard.go
View file

@ -13,4 +13,5 @@ type WireGuardOutboundOptions struct {
Workers int `json:"workers,omitempty"`
MTU uint32 `json:"mtu,omitempty"`
Network NetworkList `json:"network,omitempty"`
IPRewrite bool `json:"ip_rewrite,omitempty"`
}

45
outbound/wireguard.go
View file

@ -8,7 +8,9 @@ import (
"encoding/hex"
"fmt"
"net"
"os"
"strings"
"syscall"
"github.com/sagernet/sing-box/adapter"
"github.com/sagernet/sing-box/common/dialer"
@ -26,7 +28,7 @@ import (
)
var (
_ adapter.Outbound = (*WireGuard)(nil)
_ adapter.IPOutbound = (*WireGuard)(nil)
_ adapter.InterfaceUpdateListener = (*WireGuard)(nil)
)
@ -34,6 +36,7 @@ type WireGuard struct {
myOutboundAdapter
bind *wireguard.ClientBind
device *device.Device
natDevice wireguard.NatDevice
tunDevice wireguard.Device
}
@ -106,17 +109,25 @@ func NewWireGuard(ctx context.Context, router adapter.Router, logger log.Context
if mtu == 0 {
mtu = 1408
}
var wireTunDevice wireguard.Device
var tunDevice wireguard.Device
var err error
if !options.SystemInterface && tun.WithGVisor {
wireTunDevice, err = wireguard.NewStackDevice(localPrefixes, mtu)
tunDevice, err = wireguard.NewStackDevice(localPrefixes, mtu, options.IPRewrite)
} else {
wireTunDevice, err = wireguard.NewSystemDevice(router, options.InterfaceName, localPrefixes, mtu)
tunDevice, err = wireguard.NewSystemDevice(router, options.InterfaceName, localPrefixes, mtu)
}
if err != nil {
return nil, E.Cause(err, "create WireGuard device")
}
wgDevice := device.NewDevice(wireTunDevice, outbound.bind, &device.Logger{
natDevice, isNatDevice := tunDevice.(wireguard.NatDevice)
if !isNatDevice && router.NatRequired(tag) {
natDevice = wireguard.NewNATDevice(tunDevice, options.IPRewrite)
}
deviceInput := tunDevice
if natDevice != nil {
deviceInput = natDevice
}
wgDevice := device.NewDevice(deviceInput, outbound.bind, &device.Logger{
Verbosef: func(format string, args ...interface{}) {
logger.Debug(fmt.Sprintf(strings.ToLower(format), args...))
},
@ -132,7 +143,8 @@ func NewWireGuard(ctx context.Context, router adapter.Router, logger log.Context
return nil, E.Cause(err, "setup wireguard")
}
outbound.device = wgDevice
outbound.tunDevice = wireTunDevice
outbound.natDevice = natDevice
outbound.tunDevice = tunDevice
return outbound, nil
}
@ -171,6 +183,27 @@ func (w *WireGuard) NewPacketConnection(ctx context.Context, conn N.PacketConn,
return NewPacketConnection(ctx, w, conn, metadata)
}
func (w *WireGuard) NewIPConnection(ctx context.Context, conn tun.RouteContext, metadata adapter.InboundContext) (tun.DirectDestination, error) {
if w.natDevice == nil {
return nil, os.ErrInvalid
}
session := tun.RouteSession{
IPVersion: metadata.IPVersion,
Network: tun.NetworkFromName(metadata.Network),
Source: metadata.Source.AddrPort(),
Destination: metadata.Destination.AddrPort(),
}
switch session.Network {
case syscall.IPPROTO_TCP:
w.logger.InfoContext(ctx, "linked connection to ", metadata.Destination)
case syscall.IPPROTO_UDP:
w.logger.InfoContext(ctx, "linked packet connection to ", metadata.Destination)
default:
w.logger.InfoContext(ctx, "linked ", metadata.Network, " connection to ", metadata.Destination.AddrString())
}
return w.natDevice.CreateDestination(session, conn), nil
}
func (w *WireGuard) Start() error {
return w.tunDevice.Start()
}

272
route/router.go
View file

@ -2,14 +2,11 @@ package route
import (
"context"
"io"
"net"
"net/http"
"net/netip"
"net/url"
"os"
"os/user"
"path/filepath"
"strings"
"time"
@ -37,7 +34,6 @@ import (
F "github.com/sagernet/sing/common/format"
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
"github.com/sagernet/sing/common/rw"
"github.com/sagernet/sing/common/uot"
)
@ -72,6 +68,7 @@ type Router struct {
outbounds []adapter.Outbound
outboundByTag map[string]adapter.Outbound
rules []adapter.Rule
ipRules []adapter.IPRule
defaultDetour string
defaultOutboundForConnection adapter.Outbound
defaultOutboundForPacketConnection adapter.Outbound
@ -128,6 +125,7 @@ func NewRouter(
dnsLogger: logFactory.NewLogger("dns"),
outboundByTag: make(map[string]adapter.Outbound),
rules: make([]adapter.Rule, 0, len(options.Rules)),
ipRules: make([]adapter.IPRule, 0, len(options.IPRules)),
dnsRules: make([]adapter.DNSRule, 0, len(dnsOptions.Rules)),
needGeoIPDatabase: hasRule(options.Rules, isGeoIPRule) || hasDNSRule(dnsOptions.Rules, isGeoIPDNSRule),
needGeositeDatabase: hasRule(options.Rules, isGeositeRule) || hasDNSRule(dnsOptions.Rules, isGeositeDNSRule),
@ -149,6 +147,13 @@ func NewRouter(
}
router.rules = append(router.rules, routeRule)
}
for i, ipRuleOptions := range options.IPRules {
ipRule, err := NewIPRule(router, router.logger, ipRuleOptions)
if err != nil {
return nil, E.Cause(err, "parse ip rule[", i, "]")
}
router.ipRules = append(router.ipRules, ipRule)
}
for i, dnsRuleOptions := range dnsOptions.Rules {
dnsRule, err := NewDNSRule(router, router.logger, dnsRuleOptions)
if err != nil {
@ -156,6 +161,7 @@ func NewRouter(
}
router.dnsRules = append(router.dnsRules, dnsRule)
}
transports := make([]dns.Transport, len(dnsOptions.Servers))
dummyTransportMap := make(map[string]dns.Transport)
transportMap := make(map[string]dns.Transport)
@ -516,27 +522,6 @@ func (r *Router) Close() error {
)
}
func (r *Router) GeoIPReader() *geoip.Reader {
return r.geoIPReader
}
func (r *Router) LoadGeosite(code string) (adapter.Rule, error) {
rule, cached := r.geositeCache[code]
if cached {
return rule, nil
}
items, err := r.geositeReader.Read(code)
if err != nil {
return nil, err
}
rule, err = NewDefaultRule(r, nil, geosite.Compile(items))
if err != nil {
return nil, err
}
r.geositeCache[code] = rule
return rule, nil
}
func (r *Router) Outbound(tag string) (adapter.Outbound, bool) {
outbound, loaded := r.outboundByTag[tag]
return outbound, loaded
@ -811,6 +796,10 @@ func (r *Router) Rules() []adapter.Rule {
return r.rules
}
func (r *Router) IPRules() []adapter.IPRule {
return r.ipRules
}
func (r *Router) NetworkMonitor() tun.NetworkUpdateMonitor {
return r.networkMonitor
}
@ -846,239 +835,6 @@ func (r *Router) SetV2RayServer(server adapter.V2RayServer) {
r.v2rayServer = server
}
func hasRule(rules []option.Rule, cond func(rule option.DefaultRule) bool) bool {
for _, rule := range rules {
switch rule.Type {
case C.RuleTypeDefault:
if cond(rule.DefaultOptions) {
return true
}
case C.RuleTypeLogical:
for _, subRule := range rule.LogicalOptions.Rules {
if cond(subRule) {
return true
}
}
}
}
return false
}
func hasDNSRule(rules []option.DNSRule, cond func(rule option.DefaultDNSRule) bool) bool {
for _, rule := range rules {
switch rule.Type {
case C.RuleTypeDefault:
if cond(rule.DefaultOptions) {
return true
}
case C.RuleTypeLogical:
for _, subRule := range rule.LogicalOptions.Rules {
if cond(subRule) {
return true
}
}
}
}
return false
}
func isGeoIPRule(rule option.DefaultRule) bool {
return len(rule.SourceGeoIP) > 0 && common.Any(rule.SourceGeoIP, notPrivateNode) || len(rule.GeoIP) > 0 && common.Any(rule.GeoIP, notPrivateNode)
}
func isGeoIPDNSRule(rule option.DefaultDNSRule) bool {
return len(rule.SourceGeoIP) > 0 && common.Any(rule.SourceGeoIP, notPrivateNode)
}
func isGeositeRule(rule option.DefaultRule) bool {
return len(rule.Geosite) > 0
}
func isGeositeDNSRule(rule option.DefaultDNSRule) bool {
return len(rule.Geosite) > 0
}
func isProcessRule(rule option.DefaultRule) bool {
return len(rule.ProcessName) > 0 || len(rule.ProcessPath) > 0 || len(rule.PackageName) > 0 || len(rule.User) > 0 || len(rule.UserID) > 0
}
func isProcessDNSRule(rule option.DefaultDNSRule) bool {
return len(rule.ProcessName) > 0 || len(rule.ProcessPath) > 0 || len(rule.PackageName) > 0 || len(rule.User) > 0 || len(rule.UserID) > 0
}
func notPrivateNode(code string) bool {
return code != "private"
}
func (r *Router) prepareGeoIPDatabase() error {
var geoPath string
if r.geoIPOptions.Path != "" {
geoPath = r.geoIPOptions.Path
} else {
geoPath = "geoip.db"
if foundPath, loaded := C.FindPath(geoPath); loaded {
geoPath = foundPath
}
}
geoPath = C.BasePath(geoPath)
if !rw.FileExists(geoPath) {
r.logger.Warn("geoip database not exists: ", geoPath)
var err error
for attempts := 0; attempts < 3; attempts++ {
err = r.downloadGeoIPDatabase(geoPath)
if err == nil {
break
}
r.logger.Error("download geoip database: ", err)
os.Remove(geoPath)
// time.Sleep(10 * time.Second)
}
if err != nil {
return err
}
}
geoReader, codes, err := geoip.Open(geoPath)
if err != nil {
return E.Cause(err, "open geoip database")
}
r.logger.Info("loaded geoip database: ", len(codes), " codes")
r.geoIPReader = geoReader
return nil
}
func (r *Router) prepareGeositeDatabase() error {
var geoPath string
if r.geositeOptions.Path != "" {
geoPath = r.geositeOptions.Path
} else {
geoPath = "geosite.db"
if foundPath, loaded := C.FindPath(geoPath); loaded {
geoPath = foundPath
}
}
geoPath = C.BasePath(geoPath)
if !rw.FileExists(geoPath) {
r.logger.Warn("geosite database not exists: ", geoPath)
var err error
for attempts := 0; attempts < 3; attempts++ {
err = r.downloadGeositeDatabase(geoPath)
if err == nil {
break
}
r.logger.Error("download geosite database: ", err)
os.Remove(geoPath)
// time.Sleep(10 * time.Second)
}
if err != nil {
return err
}
}
geoReader, codes, err := geosite.Open(geoPath)
if err == nil {
r.logger.Info("loaded geosite database: ", len(codes), " codes")
r.geositeReader = geoReader
} else {
return E.Cause(err, "open geosite database")
}
return nil
}
func (r *Router) downloadGeoIPDatabase(savePath string) error {
var downloadURL string
if r.geoIPOptions.DownloadURL != "" {
downloadURL = r.geoIPOptions.DownloadURL
} else {
downloadURL = "https://github.com/SagerNet/sing-geoip/releases/latest/download/geoip.db"
}
r.logger.Info("downloading geoip database")
var detour adapter.Outbound
if r.geoIPOptions.DownloadDetour != "" {
outbound, loaded := r.Outbound(r.geoIPOptions.DownloadDetour)
if !loaded {
return E.New("detour outbound not found: ", r.geoIPOptions.DownloadDetour)
}
detour = outbound
} else {
detour = r.defaultOutboundForConnection
}
if parentDir := filepath.Dir(savePath); parentDir != "" {
os.MkdirAll(parentDir, 0o755)
}
saveFile, err := os.OpenFile(savePath, os.O_CREATE|os.O_WRONLY, 0o644)
if err != nil {
return E.Cause(err, "open output file: ", downloadURL)
}
defer saveFile.Close()
httpClient := &http.Client{
Transport: &http.Transport{
ForceAttemptHTTP2: true,
TLSHandshakeTimeout: 5 * time.Second,
DialContext: func(ctx context.Context, network, addr string) (net.Conn, error) {
return detour.DialContext(ctx, network, M.ParseSocksaddr(addr))
},
},
}
defer httpClient.CloseIdleConnections()
response, err := httpClient.Get(downloadURL)
if err != nil {
return err
}
defer response.Body.Close()
_, err = io.Copy(saveFile, response.Body)
return err
}
func (r *Router) downloadGeositeDatabase(savePath string) error {
var downloadURL string
if r.geositeOptions.DownloadURL != "" {
downloadURL = r.geositeOptions.DownloadURL
} else {
downloadURL = "https://github.com/SagerNet/sing-geosite/releases/latest/download/geosite.db"
}
r.logger.Info("downloading geosite database")
var detour adapter.Outbound
if r.geositeOptions.DownloadDetour != "" {
outbound, loaded := r.Outbound(r.geositeOptions.DownloadDetour)
if !loaded {
return E.New("detour outbound not found: ", r.geositeOptions.DownloadDetour)
}
detour = outbound
} else {
detour = r.defaultOutboundForConnection
}
if parentDir := filepath.Dir(savePath); parentDir != "" {
os.MkdirAll(parentDir, 0o755)
}
saveFile, err := os.OpenFile(savePath, os.O_CREATE|os.O_WRONLY, 0o644)
if err != nil {
return E.Cause(err, "open output file: ", downloadURL)
}
defer saveFile.Close()
httpClient := &http.Client{
Transport: &http.Transport{
ForceAttemptHTTP2: true,
TLSHandshakeTimeout: 5 * time.Second,
DialContext: func(ctx context.Context, network, addr string) (net.Conn, error) {
return detour.DialContext(ctx, network, M.ParseSocksaddr(addr))
},
},
}
defer httpClient.CloseIdleConnections()
response, err := httpClient.Get(downloadURL)
if err != nil {
return err
}
defer response.Body.Close()
_, err = io.Copy(saveFile, response.Body)
return err
}
func (r *Router) OnPackagesUpdated(packages int, sharedUsers int) {
r.logger.Info("updated packages list: ", packages, " packages, ", sharedUsers, " shared users")
}

283
route/router_geo_resources.go Normal file
View file

@ -0,0 +1,283 @@
package route
import (
"context"
"io"
"net"
"net/http"
"os"
"path/filepath"
"time"
"github.com/sagernet/sing-box/adapter"
"github.com/sagernet/sing-box/common/geoip"
"github.com/sagernet/sing-box/common/geosite"
C "github.com/sagernet/sing-box/constant"
"github.com/sagernet/sing-box/option"
"github.com/sagernet/sing/common"
E "github.com/sagernet/sing/common/exceptions"
M "github.com/sagernet/sing/common/metadata"
"github.com/sagernet/sing/common/rw"
)
func (r *Router) GeoIPReader() *geoip.Reader {
return r.geoIPReader
}
func (r *Router) LoadGeosite(code string) (adapter.Rule, error) {
rule, cached := r.geositeCache[code]
if cached {
return rule, nil
}
items, err := r.geositeReader.Read(code)
if err != nil {
return nil, err
}
rule, err = NewDefaultRule(r, nil, geosite.Compile(items))
if err != nil {
return nil, err
}
r.geositeCache[code] = rule
return rule, nil
}
func (r *Router) prepareGeoIPDatabase() error {
var geoPath string
if r.geoIPOptions.Path != "" {
geoPath = r.geoIPOptions.Path
} else {
geoPath = "geoip.db"
if foundPath, loaded := C.FindPath(geoPath); loaded {
geoPath = foundPath
}
}
geoPath = C.BasePath(geoPath)
if rw.FileExists(geoPath) {
geoReader, codes, err := geoip.Open(geoPath)
if err == nil {
r.logger.Info("loaded geoip database: ", len(codes), " codes")
r.geoIPReader = geoReader
return nil
}
}
if !rw.FileExists(geoPath) {
r.logger.Warn("geoip database not exists: ", geoPath)
var err error
for attempts := 0; attempts < 3; attempts++ {
err = r.downloadGeoIPDatabase(geoPath)
if err == nil {
break
}
r.logger.Error("download geoip database: ", err)
os.Remove(geoPath)
// time.Sleep(10 * time.Second)
}
if err != nil {
return err
}
}
geoReader, codes, err := geoip.Open(geoPath)
if err != nil {
return E.Cause(err, "open geoip database")
}
r.logger.Info("loaded geoip database: ", len(codes), " codes")
r.geoIPReader = geoReader
return nil
}
func (r *Router) prepareGeositeDatabase() error {
var geoPath string
if r.geositeOptions.Path != "" {
geoPath = r.geositeOptions.Path
} else {
geoPath = "geosite.db"
if foundPath, loaded := C.FindPath(geoPath); loaded {
geoPath = foundPath
}
}
geoPath = C.BasePath(geoPath)
if !rw.FileExists(geoPath) {
r.logger.Warn("geosite database not exists: ", geoPath)
var err error
for attempts := 0; attempts < 3; attempts++ {
err = r.downloadGeositeDatabase(geoPath)
if err == nil {
break
}
r.logger.Error("download geosite database: ", err)
os.Remove(geoPath)
// time.Sleep(10 * time.Second)
}
if err != nil {
return err
}
}
geoReader, codes, err := geosite.Open(geoPath)
if err == nil {
r.logger.Info("loaded geosite database: ", len(codes), " codes")
r.geositeReader = geoReader
} else {
return E.Cause(err, "open geosite database")
}
return nil
}
func (r *Router) downloadGeoIPDatabase(savePath string) error {
var downloadURL string
if r.geoIPOptions.DownloadURL != "" {
downloadURL = r.geoIPOptions.DownloadURL
} else {
downloadURL = "https://github.com/SagerNet/sing-geoip/releases/latest/download/geoip.db"
}
r.logger.Info("downloading geoip database")
var detour adapter.Outbound
if r.geoIPOptions.DownloadDetour != "" {
outbound, loaded := r.Outbound(r.geoIPOptions.DownloadDetour)
if !loaded {
return E.New("detour outbound not found: ", r.geoIPOptions.DownloadDetour)
}
detour = outbound
} else {
detour = r.defaultOutboundForConnection
}
if parentDir := filepath.Dir(savePath); parentDir != "" {
os.MkdirAll(parentDir, 0o755)
}
saveFile, err := os.OpenFile(savePath, os.O_CREATE|os.O_WRONLY, 0o644)
if err != nil {
return E.Cause(err, "open output file: ", downloadURL)
}
defer saveFile.Close()
httpClient := &http.Client{
Transport: &http.Transport{
ForceAttemptHTTP2: true,
TLSHandshakeTimeout: 5 * time.Second,
DialContext: func(ctx context.Context, network, addr string) (net.Conn, error) {
return detour.DialContext(ctx, network, M.ParseSocksaddr(addr))
},
},
}
defer httpClient.CloseIdleConnections()
response, err := httpClient.Get(downloadURL)
if err != nil {
return err
}
defer response.Body.Close()
_, err = io.Copy(saveFile, response.Body)
return err
}
func (r *Router) downloadGeositeDatabase(savePath string) error {
var downloadURL string
if r.geositeOptions.DownloadURL != "" {
downloadURL = r.geositeOptions.DownloadURL
} else {
downloadURL = "https://github.com/SagerNet/sing-geosite/releases/latest/download/geosite.db"
}
r.logger.Info("downloading geosite database")
var detour adapter.Outbound
if r.geositeOptions.DownloadDetour != "" {
outbound, loaded := r.Outbound(r.geositeOptions.DownloadDetour)
if !loaded {
return E.New("detour outbound not found: ", r.geositeOptions.DownloadDetour)
}
detour = outbound
} else {
detour = r.defaultOutboundForConnection
}
if parentDir := filepath.Dir(savePath); parentDir != "" {
os.MkdirAll(parentDir, 0o755)
}
saveFile, err := os.OpenFile(savePath, os.O_CREATE|os.O_WRONLY, 0o644)
if err != nil {
return E.Cause(err, "open output file: ", downloadURL)
}
defer saveFile.Close()
httpClient := &http.Client{
Transport: &http.Transport{
ForceAttemptHTTP2: true,
TLSHandshakeTimeout: 5 * time.Second,
DialContext: func(ctx context.Context, network, addr string) (net.Conn, error) {
return detour.DialContext(ctx, network, M.ParseSocksaddr(addr))
},
},
}
defer httpClient.CloseIdleConnections()
response, err := httpClient.Get(downloadURL)
if err != nil {
return err
}
defer response.Body.Close()
_, err = io.Copy(saveFile, response.Body)
return err
}
func hasRule(rules []option.Rule, cond func(rule option.DefaultRule) bool) bool {
for _, rule := range rules {
switch rule.Type {
case C.RuleTypeDefault:
if cond(rule.DefaultOptions) {
return true
}
case C.RuleTypeLogical:
for _, subRule := range rule.LogicalOptions.Rules {
if cond(subRule) {
return true
}
}
}
}
return false
}
func hasDNSRule(rules []option.DNSRule, cond func(rule option.DefaultDNSRule) bool) bool {
for _, rule := range rules {
switch rule.Type {
case C.RuleTypeDefault:
if cond(rule.DefaultOptions) {
return true
}
case C.RuleTypeLogical:
for _, subRule := range rule.LogicalOptions.Rules {
if cond(subRule) {
return true
}
}
}
}
return false
}
func isGeoIPRule(rule option.DefaultRule) bool {
return len(rule.SourceGeoIP) > 0 && common.Any(rule.SourceGeoIP, notPrivateNode) || len(rule.GeoIP) > 0 && common.Any(rule.GeoIP, notPrivateNode)
}
func isGeoIPDNSRule(rule option.DefaultDNSRule) bool {
return len(rule.SourceGeoIP) > 0 && common.Any(rule.SourceGeoIP, notPrivateNode)
}
func isGeositeRule(rule option.DefaultRule) bool {
return len(rule.Geosite) > 0
}
func isGeositeDNSRule(rule option.DefaultDNSRule) bool {
return len(rule.Geosite) > 0
}
func isProcessRule(rule option.DefaultRule) bool {
return len(rule.ProcessName) > 0 || len(rule.ProcessPath) > 0 || len(rule.PackageName) > 0 || len(rule.User) > 0 || len(rule.UserID) > 0
}
func isProcessDNSRule(rule option.DefaultDNSRule) bool {
return len(rule.ProcessName) > 0 || len(rule.ProcessPath) > 0 || len(rule.PackageName) > 0 || len(rule.User) > 0 || len(rule.UserID) > 0
}
func notPrivateNode(code string) bool {
return code != "private"
}

47
route/router_ip.go Normal file
View file

@ -0,0 +1,47 @@
package route
import (
"context"
"github.com/sagernet/sing-box/adapter"
"github.com/sagernet/sing-tun"
)
func (r *Router) RouteIPConnection(ctx context.Context, conn tun.RouteContext, metadata adapter.InboundContext) tun.RouteAction {
for i, rule := range r.ipRules {
if rule.Match(&metadata) {
if rule.Action() == tun.ActionTypeReject {
r.logger.InfoContext(ctx, "match[", i, "] ", rule.String(), " => reject")
return (*tun.ActionReject)(nil)
}
detour := rule.Outbound()
r.logger.InfoContext(ctx, "match[", i, "] ", rule.String(), " => ", detour)
outbound, loaded := r.Outbound(detour)
if !loaded {
r.logger.ErrorContext(ctx, "outbound not found: ", detour)
break
}
ipOutbound, loaded := outbound.(adapter.IPOutbound)
if !loaded {
r.logger.ErrorContext(ctx, "outbound have no ip connection support: ", detour)
break
}
destination, err := ipOutbound.NewIPConnection(ctx, conn, metadata)
if err != nil {
r.logger.ErrorContext(ctx, err)
break
}
return &tun.ActionDirect{DirectDestination: destination}
}
}
return (*tun.ActionReturn)(nil)
}
func (r *Router) NatRequired(outbound string) bool {
for _, ipRule := range r.ipRules {
if ipRule.Outbound() == outbound {
return true
}
}
return false
}

199
route/rule_abstract.go Normal file
View file

@ -0,0 +1,199 @@
package route
import (
"strings"
"github.com/sagernet/sing-box/adapter"
C "github.com/sagernet/sing-box/constant"
"github.com/sagernet/sing/common"
F "github.com/sagernet/sing/common/format"
)
type abstractDefaultRule struct {
items []RuleItem
sourceAddressItems []RuleItem
sourcePortItems []RuleItem
destinationAddressItems []RuleItem
destinationPortItems []RuleItem
allItems []RuleItem
invert bool
outbound string
}
func (r *abstractDefaultRule) Type() string {
return C.RuleTypeDefault
}
func (r *abstractDefaultRule) Start() error {
for _, item := range r.allItems {
err := common.Start(item)
if err != nil {
return err
}
}
return nil
}
func (r *abstractDefaultRule) Close() error {
for _, item := range r.allItems {
err := common.Close(item)
if err != nil {
return err
}
}
return nil
}
func (r *abstractDefaultRule) UpdateGeosite() error {
for _, item := range r.allItems {
if geositeItem, isSite := item.(*GeositeItem); isSite {
err := geositeItem.Update()
if err != nil {
return err
}
}
}
return nil
}
func (r *abstractDefaultRule) Match(metadata *adapter.InboundContext) bool {
for _, item := range r.items {
if !item.Match(metadata) {
return r.invert
}
}
if len(r.sourceAddressItems) > 0 {
var sourceAddressMatch bool
for _, item := range r.sourceAddressItems {
if item.Match(metadata) {
sourceAddressMatch = true
break
}
}
if !sourceAddressMatch {
return r.invert
}
}
if len(r.sourcePortItems) > 0 {
var sourcePortMatch bool
for _, item := range r.sourcePortItems {
if item.Match(metadata) {
sourcePortMatch = true
break
}
}
if !sourcePortMatch {
return r.invert
}
}
if len(r.destinationAddressItems) > 0 {
var destinationAddressMatch bool
for _, item := range r.destinationAddressItems {
if item.Match(metadata) {
destinationAddressMatch = true
break
}
}
if !destinationAddressMatch {
return r.invert
}
}
if len(r.destinationPortItems) > 0 {
var destinationPortMatch bool
for _, item := range r.destinationPortItems {
if item.Match(metadata) {
destinationPortMatch = true
break
}
}
if !destinationPortMatch {
return r.invert
}
}
return !r.invert
}
func (r *abstractDefaultRule) Outbound() string {
return r.outbound
}
func (r *abstractDefaultRule) String() string {
return strings.Join(F.MapToString(r.allItems), " ")
}
type abstractLogicalRule struct {
rules []adapter.Rule
mode string
invert bool
outbound string
}
func (r *abstractLogicalRule) Type() string {
return C.RuleTypeLogical
}
func (r *abstractLogicalRule) UpdateGeosite() error {
for _, rule := range r.rules {
err := rule.UpdateGeosite()
if err != nil {
return err
}
}
return nil
}
func (r *abstractLogicalRule) Start() error {
for _, rule := range r.rules {
err := rule.Start()
if err != nil {
return err
}
}
return nil
}
func (r *abstractLogicalRule) Close() error {
for _, rule := range r.rules {
err := rule.Close()
if err != nil {
return err
}
}
return nil
}
func (r *abstractLogicalRule) Match(metadata *adapter.InboundContext) bool {
if r.mode == C.LogicalTypeAnd {
return common.All(r.rules, func(it adapter.Rule) bool {
return it.Match(metadata)
}) != r.invert
} else {
return common.Any(r.rules, func(it adapter.Rule) bool {
return it.Match(metadata)
}) != r.invert
}
}
func (r *abstractLogicalRule) Outbound() string {
return r.outbound
}
func (r *abstractLogicalRule) String() string {
var op string
switch r.mode {
case C.LogicalTypeAnd:
op = "&&"
case C.LogicalTypeOr:
op = "||"
}
if !r.invert {
return strings.Join(F.MapToString(r.rules), " "+op+" ")
} else {
return "!(" + strings.Join(F.MapToString(r.rules), " "+op+" ") + ")"
}
}

207
route/rule.go → route/rule_default.go
View file

@ -1,16 +1,11 @@
package route
import (
"strings"
"github.com/sagernet/sing-box/adapter"
C "github.com/sagernet/sing-box/constant"
"github.com/sagernet/sing-box/log"
"github.com/sagernet/sing-box/option"
"github.com/sagernet/sing/common"
E "github.com/sagernet/sing/common/exceptions"
F "github.com/sagernet/sing/common/format"
N "github.com/sagernet/sing/common/network"
)
func NewRule(router adapter.Router, logger log.ContextLogger, options option.Rule) (adapter.Rule, error) {
@ -39,14 +34,7 @@ func NewRule(router adapter.Router, logger log.ContextLogger, options option.Rul
var _ adapter.Rule = (*DefaultRule)(nil)
type DefaultRule struct {
items []RuleItem
sourceAddressItems []RuleItem
sourcePortItems []RuleItem
destinationAddressItems []RuleItem
destinationPortItems []RuleItem
allItems []RuleItem
invert bool
outbound string
abstractDefaultRule
}
type RuleItem interface {
@ -56,8 +44,10 @@ type RuleItem interface {
func NewDefaultRule(router adapter.Router, logger log.ContextLogger, options option.DefaultRule) (*DefaultRule, error) {
rule := &DefaultRule{
abstractDefaultRule{
invert: options.Invert,
outbound: options.Outbound,
},
}
if len(options.Inbound) > 0 {
item := NewInboundRule(options.Inbound)
@ -74,15 +64,10 @@ func NewDefaultRule(router adapter.Router, logger log.ContextLogger, options opt
return nil, E.New("invalid ip version: ", options.IPVersion)
}
}
if options.Network != "" {
switch options.Network {
case N.NetworkTCP, N.NetworkUDP:
if len(options.Network) > 0 {
item := NewNetworkItem(options.Network)
rule.items = append(rule.items, item)
rule.allItems = append(rule.allItems, item)
default:
return nil, E.New("invalid network: ", options.Network)
}
}
if len(options.AuthUser) > 0 {
item := NewAuthUserItem(options.AuthUser)
@ -202,130 +187,19 @@ func NewDefaultRule(router adapter.Router, logger log.ContextLogger, options opt
return rule, nil
}
func (r *DefaultRule) Type() string {
return C.RuleTypeDefault
}
func (r *DefaultRule) Start() error {
for _, item := range r.allItems {
err := common.Start(item)
if err != nil {
return err
}
}
return nil
}
func (r *DefaultRule) Close() error {
for _, item := range r.allItems {
err := common.Close(item)
if err != nil {
return err
}
}
return nil
}
func (r *DefaultRule) UpdateGeosite() error {
for _, item := range r.allItems {
if geositeItem, isSite := item.(*GeositeItem); isSite {
err := geositeItem.Update()
if err != nil {
return err
}
}
}
return nil
}
func (r *DefaultRule) Match(metadata *adapter.InboundContext) bool {
for _, item := range r.items {
if !item.Match(metadata) {
return r.invert
}
}
if len(r.sourceAddressItems) > 0 {
var sourceAddressMatch bool
for _, item := range r.sourceAddressItems {
if item.Match(metadata) {
sourceAddressMatch = true
break
}
}
if !sourceAddressMatch {
return r.invert
}
}
if len(r.sourcePortItems) > 0 {
var sourcePortMatch bool
for _, item := range r.sourcePortItems {
if item.Match(metadata) {
sourcePortMatch = true
break
}
}
if !sourcePortMatch {
return r.invert
}
}
if len(r.destinationAddressItems) > 0 {
var destinationAddressMatch bool
for _, item := range r.destinationAddressItems {
if item.Match(metadata) {
destinationAddressMatch = true
break
}
}
if !destinationAddressMatch {
return r.invert
}
}
if len(r.destinationPortItems) > 0 {
var destinationPortMatch bool
for _, item := range r.destinationPortItems {
if item.Match(metadata) {
destinationPortMatch = true
break
}
}
if !destinationPortMatch {
return r.invert
}
}
return !r.invert
}
func (r *DefaultRule) Outbound() string {
return r.outbound
}
func (r *DefaultRule) String() string {
if !r.invert {
return strings.Join(F.MapToString(r.allItems), " ")
} else {
return "!(" + strings.Join(F.MapToString(r.allItems), " ") + ")"
}
}
var _ adapter.Rule = (*LogicalRule)(nil)
type LogicalRule struct {
mode string
rules []*DefaultRule
invert bool
outbound string
abstractLogicalRule
}
func NewLogicalRule(router adapter.Router, logger log.ContextLogger, options option.LogicalRule) (*LogicalRule, error) {
r := &LogicalRule{
rules: make([]*DefaultRule, len(options.Rules)),
abstractLogicalRule{
rules: make([]adapter.Rule, len(options.Rules)),
invert: options.Invert,
outbound: options.Outbound,
},
}
switch options.Mode {
case C.LogicalTypeAnd:
@ -344,68 +218,3 @@ func NewLogicalRule(router adapter.Router, logger log.ContextLogger, options opt
}
return r, nil
}
func (r *LogicalRule) Type() string {
return C.RuleTypeLogical
}
func (r *LogicalRule) UpdateGeosite() error {
for _, rule := range r.rules {
err := rule.UpdateGeosite()
if err != nil {
return err
}
}
return nil
}
func (r *LogicalRule) Start() error {
for _, rule := range r.rules {
err := rule.Start()
if err != nil {
return err
}
}
return nil
}
func (r *LogicalRule) Close() error {
for _, rule := range r.rules {
err := rule.Close()
if err != nil {
return err
}
}
return nil
}
func (r *LogicalRule) Match(metadata *adapter.InboundContext) bool {
if r.mode == C.LogicalTypeAnd {
return common.All(r.rules, func(it *DefaultRule) bool {
return it.Match(metadata)
}) != r.invert
} else {
return common.Any(r.rules, func(it *DefaultRule) bool {
return it.Match(metadata)
}) != r.invert
}
}
func (r *LogicalRule) Outbound() string {
return r.outbound
}
func (r *LogicalRule) String() string {
var op string
switch r.mode {
case C.LogicalTypeAnd:
op = "&&"
case C.LogicalTypeOr:
op = "||"
}
if !r.invert {
return strings.Join(F.MapToString(r.rules), " "+op+" ")
} else {
return "!(" + strings.Join(F.MapToString(r.rules), " "+op+" ") + ")"
}
}

203
route/rule_dns.go
View file

@ -1,16 +1,11 @@
package route
import (
"strings"
"github.com/sagernet/sing-box/adapter"
C "github.com/sagernet/sing-box/constant"
"github.com/sagernet/sing-box/log"
"github.com/sagernet/sing-box/option"
"github.com/sagernet/sing/common"
E "github.com/sagernet/sing/common/exceptions"
F "github.com/sagernet/sing/common/format"
N "github.com/sagernet/sing/common/network"
)
func NewDNSRule(router adapter.Router, logger log.ContextLogger, options option.DNSRule) (adapter.DNSRule, error) {
@ -39,21 +34,16 @@ func NewDNSRule(router adapter.Router, logger log.ContextLogger, options option.
var _ adapter.DNSRule = (*DefaultDNSRule)(nil)
type DefaultDNSRule struct {
items []RuleItem
sourceAddressItems []RuleItem
sourcePortItems []RuleItem
destinationAddressItems []RuleItem
destinationPortItems []RuleItem
allItems []RuleItem
invert bool
outbound string
abstractDefaultRule
disableCache bool
}
func NewDefaultDNSRule(router adapter.Router, logger log.ContextLogger, options option.DefaultDNSRule) (*DefaultDNSRule, error) {
rule := &DefaultDNSRule{
abstractDefaultRule: abstractDefaultRule{
invert: options.Invert,
outbound: options.Server,
},
disableCache: options.DisableCache,
}
if len(options.Inbound) > 0 {
@ -76,15 +66,10 @@ func NewDefaultDNSRule(router adapter.Router, logger log.ContextLogger, options
rule.items = append(rule.items, item)
rule.allItems = append(rule.allItems, item)
}
if options.Network != "" {
switch options.Network {
case N.NetworkTCP, N.NetworkUDP:
if len(options.Network) > 0 {
item := NewNetworkItem(options.Network)
rule.items = append(rule.items, item)
rule.allItems = append(rule.allItems, item)
default:
return nil, E.New("invalid network: ", options.Network)
}
}
if len(options.AuthUser) > 0 {
item := NewAuthUserItem(options.AuthUser)
@ -196,131 +181,24 @@ func NewDefaultDNSRule(router adapter.Router, logger log.ContextLogger, options
return rule, nil
}
func (r *DefaultDNSRule) Type() string {
return C.RuleTypeDefault
}
func (r *DefaultDNSRule) Start() error {
for _, item := range r.allItems {
err := common.Start(item)
if err != nil {
return err
}
}
return nil
}
func (r *DefaultDNSRule) Close() error {
for _, item := range r.allItems {
err := common.Close(item)
if err != nil {
return err
}
}
return nil
}
func (r *DefaultDNSRule) UpdateGeosite() error {
for _, item := range r.allItems {
if geositeItem, isSite := item.(*GeositeItem); isSite {
err := geositeItem.Update()
if err != nil {
return err
}
}
}
return nil
}
func (r *DefaultDNSRule) Match(metadata *adapter.InboundContext) bool {
for _, item := range r.items {
if !item.Match(metadata) {
return r.invert
}
}
if len(r.sourceAddressItems) > 0 {
var sourceAddressMatch bool
for _, item := range r.sourceAddressItems {
if item.Match(metadata) {
sourceAddressMatch = true
break
}
}
if !sourceAddressMatch {
return r.invert
}
}
if len(r.sourcePortItems) > 0 {
var sourcePortMatch bool
for _, item := range r.sourcePortItems {
if item.Match(metadata) {
sourcePortMatch = true
break
}
}
if !sourcePortMatch {
return r.invert
}
}
if len(r.destinationAddressItems) > 0 {
var destinationAddressMatch bool
for _, item := range r.destinationAddressItems {
if item.Match(metadata) {
destinationAddressMatch = true
break
}
}
if !destinationAddressMatch {
return r.invert
}
}
if len(r.destinationPortItems) > 0 {
var destinationPortMatch bool
for _, item := range r.destinationPortItems {
if item.Match(metadata) {
destinationPortMatch = true
break
}
}
if !destinationPortMatch {
return r.invert
}
}
return !r.invert
}
func (r *DefaultDNSRule) Outbound() string {
return r.outbound
}
func (r *DefaultDNSRule) DisableCache() bool {
return r.disableCache
}
func (r *DefaultDNSRule) String() string {
return strings.Join(F.MapToString(r.allItems), " ")
}
var _ adapter.DNSRule = (*LogicalDNSRule)(nil)
type LogicalDNSRule struct {
mode string
rules []*DefaultDNSRule
invert bool
outbound string
abstractLogicalRule
disableCache bool
}
func NewLogicalDNSRule(router adapter.Router, logger log.ContextLogger, options option.LogicalDNSRule) (*LogicalDNSRule, error) {
r := &LogicalDNSRule{
rules: make([]*DefaultDNSRule, len(options.Rules)),
abstractLogicalRule: abstractLogicalRule{
rules: make([]adapter.Rule, len(options.Rules)),
invert: options.Invert,
outbound: options.Server,
},
disableCache: options.DisableCache,
}
switch options.Mode {
@ -341,71 +219,6 @@ func NewLogicalDNSRule(router adapter.Router, logger log.ContextLogger, options
return r, nil
}
func (r *LogicalDNSRule) Type() string {
return C.RuleTypeLogical
}
func (r *LogicalDNSRule) UpdateGeosite() error {
for _, rule := range r.rules {
err := rule.UpdateGeosite()
if err != nil {
return err
}
}
return nil
}
func (r *LogicalDNSRule) Start() error {
for _, rule := range r.rules {
err := rule.Start()
if err != nil {
return err
}
}
return nil
}
func (r *LogicalDNSRule) Close() error {
for _, rule := range r.rules {
err := rule.Close()
if err != nil {
return err
}
}
return nil
}
func (r *LogicalDNSRule) Match(metadata *adapter.InboundContext) bool {
if r.mode == C.LogicalTypeAnd {
return common.All(r.rules, func(it *DefaultDNSRule) bool {
return it.Match(metadata)
}) != r.invert
} else {
return common.Any(r.rules, func(it *DefaultDNSRule) bool {
return it.Match(metadata)
}) != r.invert
}
}
func (r *LogicalDNSRule) Outbound() string {
return r.outbound
}
func (r *LogicalDNSRule) DisableCache() bool {
return r.disableCache
}
func (r *LogicalDNSRule) String() string {
var op string
switch r.mode {
case C.LogicalTypeAnd:
op = "&&"
case C.LogicalTypeOr:
op = "||"
}
if !r.invert {
return strings.Join(F.MapToString(r.rules), " "+op+" ")
} else {
return "!(" + strings.Join(F.MapToString(r.rules), " "+op+" ") + ")"
}
}

176
route/rule_ip.go Normal file
View file

@ -0,0 +1,176 @@
package route
import (
"github.com/sagernet/sing-box/adapter"
C "github.com/sagernet/sing-box/constant"
"github.com/sagernet/sing-box/log"
"github.com/sagernet/sing-box/option"
tun "github.com/sagernet/sing-tun"
"github.com/sagernet/sing/common"
E "github.com/sagernet/sing/common/exceptions"
)
func NewIPRule(router adapter.Router, logger log.ContextLogger, options option.IPRule) (adapter.IPRule, error) {
switch options.Type {
case "", C.RuleTypeDefault:
if !options.DefaultOptions.IsValid() {
return nil, E.New("missing conditions")
}
if common.IsEmpty(options.DefaultOptions.Action) {
return nil, E.New("missing action")
}
return NewDefaultIPRule(router, logger, options.DefaultOptions)
case C.RuleTypeLogical:
if !options.LogicalOptions.IsValid() {
return nil, E.New("missing conditions")
}
if common.IsEmpty(options.DefaultOptions.Action) {
return nil, E.New("missing action")
}
return NewLogicalIPRule(router, logger, options.LogicalOptions)
default:
return nil, E.New("unknown rule type: ", options.Type)
}
}
var _ adapter.IPRule = (*DefaultIPRule)(nil)
type DefaultIPRule struct {
abstractDefaultRule
action tun.ActionType
}
func NewDefaultIPRule(router adapter.Router, logger log.ContextLogger, options option.DefaultIPRule) (*DefaultIPRule, error) {
rule := &DefaultIPRule{
abstractDefaultRule: abstractDefaultRule{
invert: options.Invert,
outbound: options.Outbound,
},
action: tun.ActionType(options.Action),
}
if len(options.Inbound) > 0 {
item := NewInboundRule(options.Inbound)
rule.items = append(rule.items, item)
rule.allItems = append(rule.allItems, item)
}
if options.IPVersion > 0 {
switch options.IPVersion {
case 4, 6:
item := NewIPVersionItem(options.IPVersion == 6)
rule.items = append(rule.items, item)
rule.allItems = append(rule.allItems, item)
default:
return nil, E.New("invalid ip version: ", options.IPVersion)
}
}
if len(options.Network) > 0 {
item := NewNetworkItem(options.Network)
rule.items = append(rule.items, item)
rule.allItems = append(rule.allItems, item)
}
if len(options.Domain) > 0 || len(options.DomainSuffix) > 0 {
item := NewDomainItem(options.Domain, options.DomainSuffix)
rule.destinationAddressItems = append(rule.destinationAddressItems, item)
rule.allItems = append(rule.allItems, item)
}
if len(options.DomainKeyword) > 0 {
item := NewDomainKeywordItem(options.DomainKeyword)
rule.destinationAddressItems = append(rule.destinationAddressItems, item)
rule.allItems = append(rule.allItems, item)
}
if len(options.DomainRegex) > 0 {
item, err := NewDomainRegexItem(options.DomainRegex)
if err != nil {
return nil, E.Cause(err, "domain_regex")
}
rule.destinationAddressItems = append(rule.destinationAddressItems, item)
rule.allItems = append(rule.allItems, item)
}
if len(options.Geosite) > 0 {
item := NewGeositeItem(router, logger, options.Geosite)
rule.destinationAddressItems = append(rule.destinationAddressItems, item)
rule.allItems = append(rule.allItems, item)
}
if len(options.SourceGeoIP) > 0 {
item := NewGeoIPItem(router, logger, true, options.SourceGeoIP)
rule.sourceAddressItems = append(rule.sourceAddressItems, item)
rule.allItems = append(rule.allItems, item)
}
if len(options.SourceIPCIDR) > 0 {
item, err := NewIPCIDRItem(true, options.SourceIPCIDR)
if err != nil {
return nil, E.Cause(err, "source_ipcidr")
}
rule.sourceAddressItems = append(rule.sourceAddressItems, item)
rule.allItems = append(rule.allItems, item)
}
if len(options.SourcePort) > 0 {
item := NewPortItem(true, options.SourcePort)
rule.sourcePortItems = append(rule.sourcePortItems, item)
rule.allItems = append(rule.allItems, item)
}
if len(options.SourcePortRange) > 0 {
item, err := NewPortRangeItem(true, options.SourcePortRange)
if err != nil {
return nil, E.Cause(err, "source_port_range")
}
rule.sourcePortItems = append(rule.sourcePortItems, item)
rule.allItems = append(rule.allItems, item)
}
if len(options.Port) > 0 {
item := NewPortItem(false, options.Port)
rule.destinationPortItems = append(rule.destinationPortItems, item)
rule.allItems = append(rule.allItems, item)
}
if len(options.PortRange) > 0 {
item, err := NewPortRangeItem(false, options.PortRange)
if err != nil {
return nil, E.Cause(err, "port_range")
}
rule.destinationPortItems = append(rule.destinationPortItems, item)
rule.allItems = append(rule.allItems, item)
}
return rule, nil
}
func (r *DefaultIPRule) Action() tun.ActionType {
return r.action
}
var _ adapter.IPRule = (*LogicalIPRule)(nil)
type LogicalIPRule struct {
abstractLogicalRule
action tun.ActionType
}
func NewLogicalIPRule(router adapter.Router, logger log.ContextLogger, options option.LogicalIPRule) (*LogicalIPRule, error) {
r := &LogicalIPRule{
abstractLogicalRule: abstractLogicalRule{
rules: make([]adapter.Rule, len(options.Rules)),
invert: options.Invert,
outbound: options.Outbound,
},
action: tun.ActionType(options.Action),
}
switch options.Mode {
case C.LogicalTypeAnd:
r.mode = C.LogicalTypeAnd
case C.LogicalTypeOr:
r.mode = C.LogicalTypeOr
default:
return nil, E.New("unknown logical mode: ", options.Mode)
}
for i, subRule := range options.Rules {
rule, err := NewDefaultIPRule(router, logger, subRule)
if err != nil {
return nil, E.Cause(err, "sub rule[", i, "]")
}
r.rules[i] = rule
}
return r, nil
}
func (r *LogicalIPRule) Action() tun.ActionType {
return r.action
}

0
route/rule_auth_user.go → route/rule_item_auth_user.go
View file

0
route/rule_cidr.go → route/rule_item_cidr.go
View file

0
route/rule_clash_mode.go → route/rule_item_clash_mode.go
View file

0
route/rule_domain.go → route/rule_item_domain.go
View file

0
route/rule_domain_keyword.go → route/rule_item_domain_keyword.go
View file

0
route/rule_domain_regex.go → route/rule_item_domain_regex.go
View file

0
route/rule_geoip.go → route/rule_item_geoip.go
View file

0
route/rule_geosite.go → route/rule_item_geosite.go
View file

0
route/rule_inbound.go → route/rule_item_inbound.go
View file

0
route/rule_ipversion.go → route/rule_item_ipversion.go
View file

42
route/rule_item_network.go Normal file
View file

@ -0,0 +1,42 @@
package route
import (
"strings"
"github.com/sagernet/sing-box/adapter"
F "github.com/sagernet/sing/common/format"
)
var _ RuleItem = (*NetworkItem)(nil)
type NetworkItem struct {
networks []string
networkMap map[string]bool
}
func NewNetworkItem(networks []string) *NetworkItem {
networkMap := make(map[string]bool)
for _, network := range networks {
networkMap[network] = true
}
return &NetworkItem{
networks: networks,
networkMap: networkMap,
}
}
func (r *NetworkItem) Match(metadata *adapter.InboundContext) bool {
return r.networkMap[metadata.Network]
}
func (r *NetworkItem) String() string {
description := "network="
pLen := len(r.networks)
if pLen == 1 {
description += F.ToString(r.networks[0])
} else {
description += "[" + strings.Join(F.MapToString(r.networks), " ") + "]"
}
return description
}

0
route/rule_outbound.go → route/rule_item_outbound.go
View file

0
route/rule_package_name.go → route/rule_item_package_name.go
View file

0
route/rule_port.go → route/rule_item_port.go
View file

0
route/rule_port_range.go → route/rule_item_port_range.go
View file

0
route/rule_process_name.go → route/rule_item_process_name.go
View file

0
route/rule_process_path.go → route/rule_item_process_path.go
View file

0
route/rule_protocol.go → route/rule_item_protocol.go
View file

0
route/rule_query_type.go → route/rule_item_query_type.go
View file

0
route/rule_user.go → route/rule_item_user.go
View file

0
route/rule_user_id.go → route/rule_item_user_id.go
View file

23
route/rule_network.go
View file

@ -1,23 +0,0 @@
package route
import (
"github.com/sagernet/sing-box/adapter"
)
var _ RuleItem = (*NetworkItem)(nil)
type NetworkItem struct {
network string
}
func NewNetworkItem(network string) *NetworkItem {
return &NetworkItem{network}
}
func (r *NetworkItem) Match(metadata *adapter.InboundContext) bool {
return r.network == metadata.Network
}
func (r *NetworkItem) String() string {
return "network=" + r.network
}

4
transport/wireguard/client_bind.go
View file

@ -100,14 +100,10 @@ func (c *ClientBind) receive(b []byte) (n int, ep conn.Endpoint, err error) {
}
func (c *ClientBind) Reset() {
c.connAccess.Lock()
defer c.connAccess.Unlock()
common.Close(common.PtrOrNil(c.conn))
}
func (c *ClientBind) Close() error {
c.connAccess.Lock()
defer c.connAccess.Unlock()
common.Close(common.PtrOrNil(c.conn))
if c.done == nil {
c.done = make(chan struct{})

14
transport/wireguard/device.go
View file

@ -1,13 +1,23 @@
package wireguard
import (
"net/netip"
"github.com/sagernet/sing-tun"
N "github.com/sagernet/sing/common/network"
"github.com/sagernet/wireguard-go/tun"
wgTun "github.com/sagernet/wireguard-go/tun"
)
type Device interface {
tun.Device
wgTun.Device
N.Dialer
Start() error
Inet4Address() netip.Addr
Inet6Address() netip.Addr
// NewEndpoint() (stack.LinkEndpoint, error)
}
type NatDevice interface {
Device
CreateDestination(session tun.RouteSession, conn tun.RouteContext) tun.DirectDestination
}

75
transport/wireguard/device_nat.go Normal file
View file

@ -0,0 +1,75 @@
package wireguard
import (
"github.com/sagernet/sing-tun"
"github.com/sagernet/sing/common/buf"
)
var _ Device = (*natDeviceWrapper)(nil)
type natDeviceWrapper struct {
Device
outbound chan *buf.Buffer
mapping *tun.NatMapping
writer *tun.NatWriter
}
func NewNATDevice(upstream Device, ipRewrite bool) NatDevice {
wrapper := &natDeviceWrapper{
Device: upstream,
outbound: make(chan *buf.Buffer, 256),
mapping: tun.NewNatMapping(ipRewrite),
}
if ipRewrite {
wrapper.writer = tun.NewNatWriter(upstream.Inet4Address(), upstream.Inet6Address())
}
return wrapper
}
func (d *natDeviceWrapper) Read(p []byte, offset int) (int, error) {
select {
case packet := <-d.outbound:
defer packet.Release()
return copy(p[offset:], packet.Bytes()), nil
default:
}
return d.Device.Read(p, offset)
}
func (d *natDeviceWrapper) Write(p []byte, offset int) (int, error) {
packet := p[offset:]
handled, err := d.mapping.WritePacket(packet)
if handled {
return len(packet), err
}
return d.Device.Write(p, offset)
}
func (d *natDeviceWrapper) CreateDestination(session tun.RouteSession, conn tun.RouteContext) tun.DirectDestination {
d.mapping.CreateSession(session, conn)
return &natDestinationWrapper{d, session}
}
var _ tun.DirectDestination = (*natDestinationWrapper)(nil)
type natDestinationWrapper struct {
device *natDeviceWrapper
session tun.RouteSession
}
func (d *natDestinationWrapper) WritePacket(buffer *buf.Buffer) error {
if d.device.writer != nil {
d.device.writer.RewritePacket(buffer.Bytes())
}
d.device.outbound <- buffer
return nil
}
func (d *natDestinationWrapper) Close() error {
d.device.mapping.DeleteSession(d.session)
return nil
}
func (d *natDestinationWrapper) Timeout() bool {
return false
}

27
transport/wireguard/device_nat_gvisor.go Normal file
View file

@ -0,0 +1,27 @@
//go:build with_gvisor
package wireguard
import (
"github.com/sagernet/sing/common"
"github.com/sagernet/sing/common/buf"
"gvisor.dev/gvisor/pkg/tcpip/stack"
)
func (d *natDestinationWrapper) WritePacketBuffer(buffer *stack.PacketBuffer) error {
defer buffer.DecRef()
if d.device.writer != nil {
d.device.writer.RewritePacketBuffer(buffer)
}
var packetLen int
for _, slice := range buffer.AsSlices() {
packetLen += len(slice)
}
packet := buf.NewSize(packetLen)
for _, slice := range buffer.AsSlices() {
common.Must1(packet.Write(slice))
}
d.device.outbound <- packet
return nil
}

78
transport/wireguard/device_stack.go
View file

@ -8,10 +8,12 @@ import (
"net/netip"
"os"
"github.com/sagernet/sing-tun"
"github.com/sagernet/sing/common/buf"
E "github.com/sagernet/sing/common/exceptions"
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
"github.com/sagernet/wireguard-go/tun"
wgTun "github.com/sagernet/wireguard-go/tun"
"gvisor.dev/gvisor/pkg/bufferv2"
"gvisor.dev/gvisor/pkg/tcpip"
@ -25,22 +27,25 @@ import (
"gvisor.dev/gvisor/pkg/tcpip/transport/udp"
)
var _ Device = (*StackDevice)(nil)
var _ NatDevice = (*StackDevice)(nil)
const defaultNIC tcpip.NICID = 1
type StackDevice struct {
stack *stack.Stack
mtu uint32
events chan tun.Event
events chan wgTun.Event
outbound chan *stack.PacketBuffer
packetOutbound chan *buf.Buffer
done chan struct{}
dispatcher stack.NetworkDispatcher
addr4 tcpip.Address
addr6 tcpip.Address
mapping *tun.NatMapping
writer *tun.NatWriter
}
func NewStackDevice(localAddresses []netip.Prefix, mtu uint32) (*StackDevice, error) {
func NewStackDevice(localAddresses []netip.Prefix, mtu uint32, ipRewrite bool) (*StackDevice, error) {
ipStack := stack.New(stack.Options{
NetworkProtocols: []stack.NetworkProtocolFactory{ipv4.NewProtocol, ipv6.NewProtocol},
TransportProtocols: []stack.TransportProtocolFactory{tcp.NewProtocol, udp.NewProtocol, icmp.NewProtocol4, icmp.NewProtocol6},
@ -49,9 +54,11 @@ func NewStackDevice(localAddresses []netip.Prefix, mtu uint32) (*StackDevice, er
tunDevice := &StackDevice{
stack: ipStack,
mtu: mtu,
events: make(chan tun.Event, 1),
events: make(chan wgTun.Event, 1),
outbound: make(chan *stack.PacketBuffer, 256),
packetOutbound: make(chan *buf.Buffer, 256),
done: make(chan struct{}),
mapping: tun.NewNatMapping(ipRewrite),
}
err := ipStack.CreateNIC(defaultNIC, (*wireEndpoint)(tunDevice))
if err != nil {
@ -77,6 +84,9 @@ func NewStackDevice(localAddresses []netip.Prefix, mtu uint32) (*StackDevice, er
return nil, E.New("parse local address ", protoAddr.AddressWithPrefix, ": ", err.String())
}
}
if ipRewrite {
tunDevice.writer = tun.NewNatWriter(tunDevice.Inet4Address(), tunDevice.Inet6Address())
}
sOpt := tcpip.TCPSACKEnabled(true)
ipStack.SetTransportProtocolOption(tcp.ProtocolNumber, &sOpt)
cOpt := tcpip.CongestionControlOption("cubic")
@ -144,8 +154,16 @@ func (w *StackDevice) ListenPacket(ctx context.Context, destination M.Socksaddr)
return udpConn, nil
}
func (w *StackDevice) Inet4Address() netip.Addr {
return M.AddrFromIP(net.IP(w.addr4))
}
func (w *StackDevice) Inet6Address() netip.Addr {
return M.AddrFromIP(net.IP(w.addr6))
}
func (w *StackDevice) Start() error {
w.events <- tun.EventUp
w.events <- wgTun.EventUp
return nil
}
@ -165,6 +183,10 @@ func (w *StackDevice) Read(p []byte, offset int) (n int, err error) {
n += copy(p[n:], slice)
}
return
case packet := <-w.packetOutbound:
defer packet.Release()
n = copy(p[offset:], packet.Bytes())
return
case <-w.done:
return 0, os.ErrClosed
}
@ -175,6 +197,10 @@ func (w *StackDevice) Write(p []byte, offset int) (n int, err error) {
if len(p) == 0 {
return
}
handled, err := w.mapping.WritePacket(p)
if handled {
return len(p), err
}
var networkProtocol tcpip.NetworkProtocolNumber
switch header.IPVersion(p) {
case header.IPv4Version:
@ -203,7 +229,7 @@ func (w *StackDevice) Name() (string, error) {
return "sing-box", nil
}
func (w *StackDevice) Events() chan tun.Event {
func (w *StackDevice) Events() chan wgTun.Event {
return w.events
}
@ -222,6 +248,44 @@ func (w *StackDevice) Close() error {
return nil
}
func (w *StackDevice) CreateDestination(session tun.RouteSession, conn tun.RouteContext) tun.DirectDestination {
w.mapping.CreateSession(session, conn)
return &stackNatDestination{
device: w,
session: session,
}
}
type stackNatDestination struct {
device *StackDevice
session tun.RouteSession
}
func (d *stackNatDestination) WritePacket(buffer *buf.Buffer) error {
if d.device.writer != nil {
d.device.writer.RewritePacket(buffer.Bytes())
}
d.device.packetOutbound <- buffer
return nil
}
func (d *stackNatDestination) WritePacketBuffer(buffer *stack.PacketBuffer) error {
if d.device.writer != nil {
d.device.writer.RewritePacketBuffer(buffer)
}
d.device.outbound <- buffer
return nil
}
func (d *stackNatDestination) Close() error {
d.device.mapping.DeleteSession(d.session)
return nil
}
func (d *stackNatDestination) Timeout() bool {
return false
}
var _ stack.LinkEndpoint = (*wireEndpoint)(nil)
type wireEndpoint StackDevice

2
transport/wireguard/device_stack_stub.go
View file

@ -8,6 +8,6 @@ import (
"github.com/sagernet/sing-tun"
)
func NewStackDevice(localAddresses []netip.Prefix, mtu uint32) (Device, error) {
func NewStackDevice(localAddresses []netip.Prefix, mtu uint32, ipRewrite bool) (Device, error) {
return nil, tun.ErrGVisorNotIncluded
}

35
transport/wireguard/device_system.go
View file

@ -23,6 +23,8 @@ type SystemDevice struct {
name string
mtu int
events chan wgTun.Event
addr4 netip.Addr
addr6 netip.Addr
}
/*func (w *SystemDevice) NewEndpoint() (stack.LinkEndpoint, error) {
@ -55,11 +57,24 @@ func NewSystemDevice(router adapter.Router, interfaceName string, localPrefixes
if err != nil {
return nil, err
}
var inet4Address netip.Addr
var inet6Address netip.Addr
if len(inet4Addresses) > 0 {
inet4Address = inet4Addresses[0].Addr()
}
if len(inet6Addresses) > 0 {
inet6Address = inet6Addresses[0].Addr()
}
return &SystemDevice{
dialer.NewDefault(router, option.DialerOptions{
dialer: dialer.NewDefault(router, option.DialerOptions{
BindInterface: interfaceName,
}),
tunInterface, interfaceName, int(mtu), make(chan wgTun.Event),
device: tunInterface,
name: interfaceName,
mtu: int(mtu),
events: make(chan wgTun.Event),
addr4: inet4Address,
addr6: inet6Address,
}, nil
}
@ -71,6 +86,14 @@ func (w *SystemDevice) ListenPacket(ctx context.Context, destination M.Socksaddr
return w.dialer.ListenPacket(ctx, destination)
}
func (w *SystemDevice) Inet4Address() netip.Addr {
return w.addr4
}
func (w *SystemDevice) Inet6Address() netip.Addr {
return w.addr6
}
func (w *SystemDevice) Start() error {
w.events <- wgTun.EventUp
return nil
@ -80,12 +103,12 @@ func (w *SystemDevice) File() *os.File {
return nil
}
func (w *SystemDevice) Read(bytes []byte, index int) (int, error) {
return w.device.Read(bytes[index-tun.PacketOffset:])
func (w *SystemDevice) Read(p []byte, offset int) (int, error) {
return w.device.Read(p[offset-tun.PacketOffset:])
}
func (w *SystemDevice) Write(bytes []byte, index int) (int, error) {
return w.device.Write(bytes[index:])
func (w *SystemDevice) Write(p []byte, offset int) (int, error) {
return w.device.Write(p[offset:])
}
func (w *SystemDevice) Flush() error {