glider/dnstun.go
2017-08-14 00:02:05 +08:00

36 lines
554 B
Go

// https://tools.ietf.org/html/rfc1035
package main
type dnstun struct {
*proxy
raddr string
udp Proxy
tcp Proxy
}
// DNSTun returns a dns forwarder.
func DNSTun(addr, raddr string, upProxy Proxy) (Proxy, error) {
s := &dnstun{
proxy: newProxy(addr, upProxy),
raddr: raddr,
}
s.udp, _ = DNSForwarder(addr, raddr, upProxy)
s.tcp, _ = TCPTun(addr, raddr, upProxy)
return s, nil
}
// ListenAndServe .
func (s *dnstun) ListenAndServe() {
if s.udp != nil {
go s.udp.ListenAndServe()
}
if s.tcp != nil {
s.tcp.ListenAndServe()
}
}