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@@ -1,6 +1,7 @@
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package local
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import (
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+ "context"
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"net"
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"net/netip"
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"os"
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@@ -8,10 +9,13 @@ import (
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"time"
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"unsafe"
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+ "github.com/sagernet/sing-box/adapter"
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+ "github.com/sagernet/sing/service"
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+
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"golang.org/x/sys/windows"
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)
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-func dnsReadConfig(_ string) *dnsConfig {
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+func dnsReadConfig(ctx context.Context, _ string) *dnsConfig {
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conf := &dnsConfig{
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ndots: 1,
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timeout: 5 * time.Second,
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@@ -22,35 +26,35 @@ func dnsReadConfig(_ string) *dnsConfig {
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conf.servers = defaultNS
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}
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}()
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- aas, err := adapterAddresses()
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+ addresses, err := adapterAddresses()
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if err != nil {
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return nil
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}
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-
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- for _, aa := range aas {
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- // Only take interfaces whose OperStatus is IfOperStatusUp(0x01) into DNS configs.
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- if aa.OperStatus != windows.IfOperStatusUp {
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+ var dnsAddresses []struct {
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+ ifName string
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+ netip.Addr
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+ }
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+ for _, address := range addresses {
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+ if address.OperStatus != windows.IfOperStatusUp {
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continue
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}
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-
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- // Only take interfaces which have at least one gateway
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- if aa.FirstGatewayAddress == nil {
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+ if address.IfType == windows.IF_TYPE_TUNNEL {
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continue
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}
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-
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- for dns := aa.FirstDnsServerAddress; dns != nil; dns = dns.Next {
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- sa, err := dns.Address.Sockaddr.Sockaddr()
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+ if address.FirstGatewayAddress == nil {
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+ continue
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+ }
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+ for dnsServerAddress := address.FirstDnsServerAddress; dnsServerAddress != nil; dnsServerAddress = dnsServerAddress.Next {
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+ rawSockaddr, err := dnsServerAddress.Address.Sockaddr.Sockaddr()
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if err != nil {
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continue
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}
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- var ip netip.Addr
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- switch sa := sa.(type) {
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+ var dnsServerAddr netip.Addr
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+ switch sockaddr := rawSockaddr.(type) {
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case *syscall.SockaddrInet4:
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- ip = netip.AddrFrom4([4]byte{sa.Addr[0], sa.Addr[1], sa.Addr[2], sa.Addr[3]})
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+ dnsServerAddr = netip.AddrFrom4(sockaddr.Addr)
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case *syscall.SockaddrInet6:
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- var addr16 [16]byte
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- copy(addr16[:], sa.Addr[:])
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- if addr16[0] == 0xfe && addr16[1] == 0xc0 {
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+ if sockaddr.Addr[0] == 0xfe && sockaddr.Addr[1] == 0xc0 {
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// fec0/10 IPv6 addresses are site local anycast DNS
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// addresses Microsoft sets by default if no other
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// IPv6 DNS address is set. Site local anycast is
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@@ -58,13 +62,26 @@ func dnsReadConfig(_ string) *dnsConfig {
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// https://datatracker.ietf.org/doc/html/rfc3879
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continue
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}
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- ip = netip.AddrFrom16(addr16)
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+ dnsServerAddr = netip.AddrFrom16(sockaddr.Addr)
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default:
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// Unexpected type.
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continue
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}
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- conf.servers = append(conf.servers, net.JoinHostPort(ip.String(), "53"))
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+ dnsAddresses = append(dnsAddresses, struct {
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+ ifName string
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+ netip.Addr
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+ }{ifName: windows.UTF16PtrToString(address.FriendlyName), Addr: dnsServerAddr})
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+ }
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+ }
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+ var myInterface string
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+ if networkManager := service.FromContext[adapter.NetworkManager](ctx); networkManager != nil {
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+ myInterface = networkManager.InterfaceMonitor().MyInterface()
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+ }
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+ for _, address := range dnsAddresses {
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+ if address.ifName == myInterface {
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+ continue
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}
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+ conf.servers = append(conf.servers, net.JoinHostPort(address.String(), "53"))
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}
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return conf
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}
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世界