black-internet-days-ahead/sing-box
1
0
Fork 0
mirror of https://github.com/SagerNet/sing-box.git synced 2024-11-25 18:11:28 +00:00
Code Issues Packages Projects Releases Wiki Activity

Skip bind connection with private destination to interface

Browse source
This commit is contained in:
世界 2022-08-20 13:31:15 +08:00
parent b797cdf91e
commit e839beb73b
No known key found for this signature in database
GPG key ID: CD109927C34A63C4
2 changed files with 25 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

19
common/dialer/bind.go Normal file
View file

@ -0,0 +1,19 @@
package dialer
import (
"syscall"
"github.com/sagernet/sing/common/control"
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
)
func skipIfPrivate(next control.Func) control.Func {
return func(network, address string, conn syscall.RawConn) error {
destination := M.ParseSocksaddr(address)
if !N.IsPublicAddr(destination.Addr) {
return nil
}
return next(network, address, conn)
}
}

12
common/dialer/default.go
View file

@ -61,25 +61,25 @@ func NewDefault(router adapter.Router, options option.DialerOptions) *DefaultDia
var listener net.ListenConfig var listener net.ListenConfig
if options.BindInterface != "" { if options.BindInterface != "" {
warnBindInterfaceOnUnsupportedPlatform.Check() warnBindInterfaceOnUnsupportedPlatform.Check()
bindFunc := control.BindToInterface(router.InterfaceBindManager(), options.BindInterface) bindFunc := skipIfPrivate(control.BindToInterface(router.InterfaceBindManager(), options.BindInterface))
dialer.Control = control.Append(dialer.Control, bindFunc) dialer.Control = control.Append(dialer.Control, bindFunc)
listener.Control = control.Append(listener.Control, bindFunc) listener.Control = control.Append(listener.Control, bindFunc)
} else if router.AutoDetectInterface() { } else if router.AutoDetectInterface() {
if C.IsWindows { if C.IsWindows {
bindFunc := control.BindToInterfaceIndexFunc(func() int { bindFunc := skipIfPrivate(control.BindToInterfaceIndexFunc(func() int {
return router.InterfaceMonitor().DefaultInterfaceIndex() return router.InterfaceMonitor().DefaultInterfaceIndex()
}) }))
dialer.Control = control.Append(dialer.Control, bindFunc) dialer.Control = control.Append(dialer.Control, bindFunc)
listener.Control = control.Append(listener.Control, bindFunc) listener.Control = control.Append(listener.Control, bindFunc)
} else { } else {
bindFunc := control.BindToInterfaceFunc(router.InterfaceBindManager(), func() string { bindFunc := skipIfPrivate(control.BindToInterfaceFunc(router.InterfaceBindManager(), func() string {
return router.InterfaceMonitor().DefaultInterfaceName() return router.InterfaceMonitor().DefaultInterfaceName()
}) }))
dialer.Control = control.Append(dialer.Control, bindFunc) dialer.Control = control.Append(dialer.Control, bindFunc)
listener.Control = control.Append(listener.Control, bindFunc) listener.Control = control.Append(listener.Control, bindFunc)
} }
} else if router.DefaultInterface() != "" { } else if router.DefaultInterface() != "" {
bindFunc := control.BindToInterface(router.InterfaceBindManager(), router.DefaultInterface()) bindFunc := skipIfPrivate(control.BindToInterface(router.InterfaceBindManager(), router.DefaultInterface()))
dialer.Control = control.Append(dialer.Control, bindFunc) dialer.Control = control.Append(dialer.Control, bindFunc)
listener.Control = control.Append(listener.Control, bindFunc) listener.Control = control.Append(listener.Control, bindFunc)
} }