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mirror of https://github.com/v2fly/v2ray-core.git synced 2024-11-18 10:26:01 -05:00
v2fly/app/dns/server_test.go
2018-01-10 12:22:37 +01:00

101 lines
2.3 KiB
Go

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