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Fix: tun2socks not lookup IP

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This commit is contained in:
Dreamacro 2019-02-11 15:44:42 +08:00
parent 2383cca2ce
commit 1339487ce4
3 changed files with 9 additions and 5 deletions
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4
constant/metadata.go
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@ -50,7 +50,3 @@ func (m *Metadata) String() string {
func (m *Metadata) Valid() bool { func (m *Metadata) Valid() bool {
return m.Host != "" || m.IP != nil return m.Host != "" || m.IP != nil
} }
func (m *Metadata) NeedLoopUpHost() bool {
return m.Source == REDIR
}

4
dns/client.go
View file

@ -219,6 +219,10 @@ func (r *Resolver) resolve(client []*nameserver, msg *D.Msg) <-chan *result {
return ch return ch
} }
func (r *Resolver) IsMapping() bool {
return r.mapping
}
type NameServer struct { type NameServer struct {
Net string Net string
Addr string Addr string

6
tunnel/tunnel.go
View file

@ -107,11 +107,15 @@ func (t *Tunnel) resolveIP(host string) (net.IP, error) {
return t.resolver.ResolveIP(host) return t.resolver.ResolveIP(host)
} }
func (t *Tunnel) needLookupIP() bool {
return t.hasResolver() && t.resolver.IsMapping()
}
func (t *Tunnel) handleConn(localConn C.ServerAdapter) { func (t *Tunnel) handleConn(localConn C.ServerAdapter) {
defer localConn.Close() defer localConn.Close()
metadata := localConn.Metadata() metadata := localConn.Metadata()
if metadata.NeedLoopUpHost() && t.hasResolver() { if t.needLookupIP() {
host, exist := t.resolver.IPToHost(*metadata.IP) host, exist := t.resolver.IPToHost(*metadata.IP)
if exist { if exist {
metadata.Host = host metadata.Host = host