purgatory/Clash.Meta
1
0
Fork 0
mirror of https://github.com/MetaCubeX/Clash.Meta.git synced 2025-04-19 16:50:56 +00:00
Code Issues Projects Releases Packages Wiki Activity

chore: ignore interfaces not in IfOperStatusUp when fetch system dns server on windows

Browse source
This commit is contained in:
wwqgtxx 2025-04-08 23:42:21 +08:00
parent 2acb0b71ee
commit f2fdfc58bc
1 changed files with 12 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

13
dns/system_windows.go
View file

@ -19,6 +19,16 @@ func dnsReadConfig() (servers []string, err error) {
return
}
for _, aa := range aas {
// Only take interfaces whose OperStatus is IfOperStatusUp(0x01) into DNS configs.
if aa.IfType != windows.IfOperStatusUp {
continue
}
// Only take interfaces which have at least one gateway
if aa.FirstGatewayAddress == nil {
continue
}
for dns := aa.FirstDnsServerAddress; dns != nil; dns = dns.Next {
sa, err := dns.Address.Sockaddr.Sockaddr()
if err != nil {
@ -63,7 +73,8 @@ func adapterAddresses() ([]*windows.IpAdapterAddresses, error) {
l := uint32(15000) // recommended initial size
for {
b = make([]byte, l)
err := windows.GetAdaptersAddresses(syscall.AF_UNSPEC, windows.GAA_FLAG_INCLUDE_PREFIX, 0, (*windows.IpAdapterAddresses)(unsafe.Pointer(&b[0])), &l)
const flags = windows.GAA_FLAG_INCLUDE_PREFIX | windows.GAA_FLAG_INCLUDE_GATEWAYS
err := windows.GetAdaptersAddresses(syscall.AF_UNSPEC, flags, 0, (*windows.IpAdapterAddresses)(unsafe.Pointer(&b[0])), &l)
if err == nil {
if l == 0 {
return nil, nil