mirror of
https://github.com/SagerNet/sing-box.git
synced 2024-11-09 18:43:14 +00:00
Add route.default_interface option
This commit is contained in:
parent
5a3de62c50
commit
377f3f83a2
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@ -30,9 +30,10 @@ type Router interface {
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LookupDefault(ctx context.Context, domain string) ([]netip.Addr, error)
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InterfaceBindManager() control.BindManager
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DefaultInterface() string
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AutoDetectInterface() bool
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DefaultInterfaceName() string
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DefaultInterfaceIndex() int
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AutoDetectInterfaceName() string
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AutoDetectInterfaceIndex() int
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}
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type Rule interface {
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@ -10,7 +10,7 @@ import (
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func BindToInterface(router adapter.Router) control.Func {
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return func(network, address string, conn syscall.RawConn) error {
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interfaceName := router.DefaultInterfaceName()
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interfaceName := router.AutoDetectInterfaceName()
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if interfaceName == "" {
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return nil
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}
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@ -32,7 +32,7 @@ func bind6(handle windows.Handle, ifaceIdx int) error {
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func BindToInterface(router adapter.Router) control.Func {
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return func(network, address string, conn syscall.RawConn) error {
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interfaceName := router.DefaultInterfaceName()
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interfaceName := router.AutoDetectInterfaceName()
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if interfaceName == "" {
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return nil
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}
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@ -47,20 +47,20 @@ func BindToInterface(router adapter.Router) control.Func {
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handle := windows.Handle(fd)
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// handle ip empty, e.g. net.Listen("udp", ":0")
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if ipStr == "" {
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innerErr = bind4(handle, router.DefaultInterfaceIndex())
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innerErr = bind4(handle, router.AutoDetectInterfaceIndex())
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if innerErr != nil {
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return
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}
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// try bind ipv6, if failed, ignore. it's a workaround for windows disable interface ipv6
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bind6(handle, router.DefaultInterfaceIndex())
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bind6(handle, router.AutoDetectInterfaceIndex())
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return
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}
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switch network {
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case "tcp4", "udp4", "ip4":
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innerErr = bind4(handle, router.DefaultInterfaceIndex())
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innerErr = bind4(handle, router.AutoDetectInterfaceIndex())
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case "tcp6", "udp6":
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innerErr = bind6(handle, router.DefaultInterfaceIndex())
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innerErr = bind6(handle, router.AutoDetectInterfaceIndex())
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}
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})
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return E.Errors(innerErr, err)
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@ -29,19 +29,22 @@ func NewDefault(router adapter.Router, options option.DialerOptions) *DefaultDia
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} else if router.AutoDetectInterface() {
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if runtime.GOOS == "windows" {
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dialer.Control = control.Append(dialer.Control, control.BindToInterfaceIndexFunc(func() int {
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return router.DefaultInterfaceIndex()
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return router.AutoDetectInterfaceIndex()
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}))
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listener.Control = control.Append(listener.Control, control.BindToInterfaceIndexFunc(func() int {
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return router.DefaultInterfaceIndex()
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return router.AutoDetectInterfaceIndex()
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}))
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} else {
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dialer.Control = control.Append(dialer.Control, control.BindToInterfaceFunc(router.InterfaceBindManager(), func() string {
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return router.DefaultInterfaceName()
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return router.AutoDetectInterfaceName()
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}))
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listener.Control = control.Append(listener.Control, control.BindToInterfaceFunc(router.InterfaceBindManager(), func() string {
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return router.DefaultInterfaceName()
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return router.AutoDetectInterfaceName()
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}))
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}
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} else if router.DefaultInterface() != "" {
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dialer.Control = control.Append(dialer.Control, control.BindToInterface(router.InterfaceBindManager(), router.DefaultInterface()))
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listener.Control = control.Append(listener.Control, control.BindToInterface(router.InterfaceBindManager(), router.DefaultInterface()))
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}
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if options.RoutingMark != 0 {
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dialer.Control = control.Append(dialer.Control, control.RoutingMark(options.RoutingMark))
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@ -47,7 +47,7 @@ Set the default route to the Tun.
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!!! error ""
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To avoid traffic loopback, set `route.auto_delect_interface` or `outbound.bind_interface`
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To avoid traffic loopback, set `route.auto_detect_interface` or `route.default_interface` or `outbound.bind_interface`
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#### hijack_dns
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@ -7,7 +7,8 @@
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"geosite": {},
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"rules": [],
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"final": "",
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"auto_detect_interface": false
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"auto_detect_interface": false,
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"default_interface": "en0"
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}
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}
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```
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@ -32,4 +33,14 @@ Default outbound tag. the first outbound will be used if empty.
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Bind outbound connections to the default NIC by default to prevent routing loops under Tun.
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Takes no effect if `outbound.bind_interface` is set.
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Takes no effect if `outbound.bind_interface` is set.
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#### default_interface
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!!! error ""
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Linux and Windows only
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Bind outbound connections to the specified NIC by default to prevent routing loops under Tun.
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Takes no effect if `auto_detect_interface` is set.
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2
go.mod
2
go.mod
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@ -10,7 +10,7 @@ require (
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github.com/sagernet/sing v0.0.0-20220714145306-09b55ce4b6d0
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github.com/sagernet/sing-dns v0.0.0-20220711062726-c64e938e4619
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github.com/sagernet/sing-shadowsocks v0.0.0-20220715031600-dacfbcd606f4
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github.com/sagernet/sing-tun v0.0.0-20220714151007-c0d248af0361
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github.com/sagernet/sing-tun v0.0.0-20220715065926-9dc73c0bcc1d
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github.com/spf13/cobra v1.5.0
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github.com/stretchr/testify v1.8.0
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golang.org/x/crypto v0.0.0-20220622213112-05595931fe9d
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4
go.sum
4
go.sum
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@ -31,8 +31,8 @@ github.com/sagernet/sing-dns v0.0.0-20220711062726-c64e938e4619 h1:oHbOmq1WS0XaZ
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github.com/sagernet/sing-dns v0.0.0-20220711062726-c64e938e4619/go.mod h1:y2fpvoxukw3G7eApIZwkcpcG/NE4AB8pCQI0Qd8rMqk=
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github.com/sagernet/sing-shadowsocks v0.0.0-20220715031600-dacfbcd606f4 h1:s3yKbPfiNwFFGfcNUs8NcKYzor78HWmZuDl5B0dsVQI=
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github.com/sagernet/sing-shadowsocks v0.0.0-20220715031600-dacfbcd606f4/go.mod h1:MuyT+9fEPjvauAv0fSE0a6Q+l0Tv2ZrAafTkYfnxBFw=
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github.com/sagernet/sing-tun v0.0.0-20220714151007-c0d248af0361 h1:M6m9mXG5u151voF0wSDLf5JoDwHU5+4FOMrzb/kaRdc=
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github.com/sagernet/sing-tun v0.0.0-20220714151007-c0d248af0361/go.mod h1:p7QbUBs2ejf6UQsiHyy1xGAWOk9JWQjZTHy8pOmkWmo=
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github.com/sagernet/sing-tun v0.0.0-20220715065926-9dc73c0bcc1d h1:wt+OEJA3EiLIjwp+DROTtIXLox+9dwMRsVY/K2MvjXo=
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github.com/sagernet/sing-tun v0.0.0-20220715065926-9dc73c0bcc1d/go.mod h1:p7QbUBs2ejf6UQsiHyy1xGAWOk9JWQjZTHy8pOmkWmo=
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github.com/spf13/cobra v1.5.0 h1:X+jTBEBqF0bHN+9cSMgmfuvv2VHJ9ezmFNf9Y/XstYU=
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github.com/spf13/cobra v1.5.0/go.mod h1:dWXEIy2H428czQCjInthrTRUg7yKbok+2Qi/yBIJoUM=
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github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
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@ -14,6 +14,7 @@ type RouteOptions struct {
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Rules []Rule `json:"rules,omitempty"`
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Final string `json:"final,omitempty"`
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AutoDetectInterface bool `json:"auto_detect_interface,omitempty"`
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DefaultInterface string `json:"default_interface,omitempty"`
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}
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func (o RouteOptions) Equals(other RouteOptions) bool {
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@ -68,6 +68,7 @@ type Router struct {
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interfaceBindManager control.BindManager
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networkMonitor tun.NetworkUpdateMonitor
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autoDetectInterface bool
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defaultInterface string
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interfaceMonitor tun.DefaultInterfaceMonitor
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}
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@ -89,6 +90,7 @@ func NewRouter(ctx context.Context, logger log.ContextLogger, dnsLogger log.Cont
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defaultDomainStrategy: dns.DomainStrategy(dnsOptions.Strategy),
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interfaceBindManager: control.NewBindManager(),
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autoDetectInterface: options.AutoDetectInterface,
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defaultInterface: options.DefaultInterface,
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}
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for i, ruleOptions := range options.Rules {
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routeRule, err := NewRule(router, logger, ruleOptions)
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@ -540,14 +542,18 @@ func (r *Router) AutoDetectInterface() bool {
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return r.autoDetectInterface
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}
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func (r *Router) DefaultInterfaceName() string {
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func (r *Router) DefaultInterface() string {
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return r.defaultInterface
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}
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func (r *Router) AutoDetectInterfaceName() string {
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if r.interfaceMonitor == nil {
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return ""
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}
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return r.interfaceMonitor.DefaultInterfaceName()
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}
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func (r *Router) DefaultInterfaceIndex() int {
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func (r *Router) AutoDetectInterfaceIndex() int {
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if r.interfaceMonitor == nil {
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return -1
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}
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@ -34,7 +34,7 @@ require (
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github.com/pmezard/go-difflib v1.0.0 // indirect
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github.com/sagernet/sing-dns v0.0.0-20220711062726-c64e938e4619 // indirect
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github.com/sagernet/sing-shadowsocks v0.0.0-20220715031600-dacfbcd606f4 // indirect
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github.com/sagernet/sing-tun v0.0.0-20220714151007-c0d248af0361 // indirect
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github.com/sagernet/sing-tun v0.0.0-20220715065926-9dc73c0bcc1d // indirect
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github.com/sirupsen/logrus v1.8.1 // indirect
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github.com/vishvananda/netlink v1.1.0 // indirect
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github.com/vishvananda/netns v0.0.0-20211101163701-50045581ed74 // indirect
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@ -58,8 +58,8 @@ github.com/sagernet/sing-dns v0.0.0-20220711062726-c64e938e4619 h1:oHbOmq1WS0XaZ
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github.com/sagernet/sing-dns v0.0.0-20220711062726-c64e938e4619/go.mod h1:y2fpvoxukw3G7eApIZwkcpcG/NE4AB8pCQI0Qd8rMqk=
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github.com/sagernet/sing-shadowsocks v0.0.0-20220715031600-dacfbcd606f4 h1:s3yKbPfiNwFFGfcNUs8NcKYzor78HWmZuDl5B0dsVQI=
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github.com/sagernet/sing-shadowsocks v0.0.0-20220715031600-dacfbcd606f4/go.mod h1:MuyT+9fEPjvauAv0fSE0a6Q+l0Tv2ZrAafTkYfnxBFw=
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github.com/sagernet/sing-tun v0.0.0-20220714151007-c0d248af0361 h1:M6m9mXG5u151voF0wSDLf5JoDwHU5+4FOMrzb/kaRdc=
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github.com/sagernet/sing-tun v0.0.0-20220714151007-c0d248af0361/go.mod h1:p7QbUBs2ejf6UQsiHyy1xGAWOk9JWQjZTHy8pOmkWmo=
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github.com/sagernet/sing-tun v0.0.0-20220715065926-9dc73c0bcc1d h1:wt+OEJA3EiLIjwp+DROTtIXLox+9dwMRsVY/K2MvjXo=
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github.com/sagernet/sing-tun v0.0.0-20220715065926-9dc73c0bcc1d/go.mod h1:p7QbUBs2ejf6UQsiHyy1xGAWOk9JWQjZTHy8pOmkWmo=
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github.com/sirupsen/logrus v1.7.0/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
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github.com/sirupsen/logrus v1.8.1 h1:dJKuHgqk1NNQlqoA6BTlM1Wf9DOH3NBjQyu0h9+AZZE=
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github.com/sirupsen/logrus v1.8.1/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
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