mirror of https://github.com/v2ray/v2ray-core
101 lines
2.2 KiB
Go
101 lines
2.2 KiB
Go
package dns_test
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import (
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"testing"
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"v2ray.com/core"
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"v2ray.com/core/app/dispatcher"
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. "v2ray.com/core/app/dns"
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"v2ray.com/core/app/policy"
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"v2ray.com/core/app/proxyman"
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_ "v2ray.com/core/app/proxyman/outbound"
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"v2ray.com/core/common/net"
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"v2ray.com/core/common/serial"
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"v2ray.com/core/proxy/freedom"
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"v2ray.com/core/testing/servers/udp"
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. "v2ray.com/ext/assert"
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"github.com/miekg/dns"
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)
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type staticHandler struct {
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}
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func (*staticHandler) ServeDNS(w dns.ResponseWriter, r *dns.Msg) {
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ans := new(dns.Msg)
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ans.Id = r.Id
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for _, q := range r.Question {
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if q.Name == "google.com." && q.Qtype == dns.TypeA {
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rr, _ := dns.NewRR("google.com. IN A 8.8.8.8")
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ans.Answer = append(ans.Answer, rr)
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} else if q.Name == "facebook.com." && q.Qtype == dns.TypeA {
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rr, _ := dns.NewRR("facebook.com. IN A 9.9.9.9")
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ans.Answer = append(ans.Answer, rr)
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}
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}
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w.WriteMsg(ans)
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}
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func TestUDPServer(t *testing.T) {
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assert := With(t)
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port := udp.PickPort()
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dnsServer := dns.Server{
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Addr: "127.0.0.1:" + port.String(),
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Net: "udp",
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Handler: &staticHandler{},
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UDPSize: 1200,
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}
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go dnsServer.ListenAndServe()
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config := &core.Config{
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App: []*serial.TypedMessage{
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serial.ToTypedMessage(&Config{
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NameServers: []*net.Endpoint{
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{
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Network: net.Network_UDP,
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Address: &net.IPOrDomain{
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Address: &net.IPOrDomain_Ip{
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Ip: []byte{127, 0, 0, 1},
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},
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},
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Port: uint32(port),
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},
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},
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}),
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serial.ToTypedMessage(&dispatcher.Config{}),
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serial.ToTypedMessage(&proxyman.OutboundConfig{}),
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serial.ToTypedMessage(&policy.Config{}),
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},
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Outbound: []*core.OutboundHandlerConfig{
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{
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ProxySettings: serial.ToTypedMessage(&freedom.Config{}),
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},
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},
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}
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v, err := core.New(config)
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assert(err, IsNil)
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client := v.DNSClient()
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ips, err := client.LookupIP("google.com")
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assert(err, IsNil)
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assert(len(ips), Equals, 1)
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assert([]byte(ips[0]), Equals, []byte{8, 8, 8, 8})
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ips, err = client.LookupIP("facebook.com")
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assert(err, IsNil)
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assert(len(ips), Equals, 1)
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assert([]byte(ips[0]), Equals, []byte{9, 9, 9, 9})
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dnsServer.Shutdown()
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ips, err = client.LookupIP("google.com")
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assert(err, IsNil)
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assert(len(ips), Equals, 1)
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assert([]byte(ips[0]), Equals, []byte{8, 8, 8, 8})
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}
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