func TestRFC2136ValidUpdatePacket(t *testing.T) {
acme.ClearFqdnCache()
dns.HandleFunc(rfc2136TestZone, serverHandlerPassBackRequest)
defer dns.HandleRemove(rfc2136TestZone)
server, addrstr, err := runLocalDNSTestServer("127.0.0.1:0", false)
if err != nil {
t.Fatalf("Failed to start test server: %v", err)
}
defer server.Shutdown()
txtRR, _ := dns.NewRR(fmt.Sprintf("%s %d IN TXT %s", rfc2136TestFqdn, rfc2136TestTTL, rfc2136TestValue))
rrs := []dns.RR{txtRR}
m := new(dns.Msg)
m.SetUpdate(rfc2136TestZone)
m.RemoveRRset(rrs)
m.Insert(rrs)
expectstr := m.String()
expect, err := m.Pack()
if err != nil {
t.Fatalf("Error packing expect msg: %v", err)
}
provider, err := NewDNSProvider(addrstr, "", "", "")
if err != nil {
t.Fatalf("Expected NewDNSProvider() to return no error but the error was -> %v", err)
}
if err := provider.Present(rfc2136TestDomain, "", "1234d=="); err != nil {
t.Errorf("Expected Present() to return no error but the error was -> %v", err)
}
rcvMsg := <-reqChan
rcvMsg.Id = m.Id
actual, err := rcvMsg.Pack()
if err != nil {
t.Fatalf("Error packing actual msg: %v", err)
}
if !bytes.Equal(actual, expect) {
tmp := new(dns.Msg)
if err := tmp.Unpack(actual); err != nil {
t.Fatalf("Error unpacking actual msg: %v", err)
}
t.Errorf("Expected msg:\n%s", expectstr)
t.Errorf("Actual msg:\n%v", tmp)
}
}
func TestRFC2136TsigClient(t *testing.T) {
acme.ClearFqdnCache()
dns.HandleFunc(rfc2136TestZone, serverHandlerReturnSuccess)
defer dns.HandleRemove(rfc2136TestZone)
server, addrstr, err := runLocalDNSTestServer("127.0.0.1:0", true)
if err != nil {
t.Fatalf("Failed to start test server: %v", err)
}
defer server.Shutdown()
provider, err := NewDNSProvider(addrstr, "", rfc2136TestTsigKey, rfc2136TestTsigSecret)
if err != nil {
t.Fatalf("Expected NewDNSProvider() to return no error but the error was -> %v", err)
}
if err := provider.Present(rfc2136TestDomain, "", rfc2136TestKeyAuth); err != nil {
t.Errorf("Expected Present() to return no error but the error was -> %v", err)
}
}
func TestRFC2136ServerError(t *testing.T) {
acme.ClearFqdnCache()
dns.HandleFunc(rfc2136TestZone, serverHandlerReturnErr)
defer dns.HandleRemove(rfc2136TestZone)
server, addrstr, err := runLocalDNSTestServer("127.0.0.1:0", false)
if err != nil {
t.Fatalf("Failed to start test server: %v", err)
}
defer server.Shutdown()
provider, err := NewDNSProvider(addrstr, "", "", "")
if err != nil {
t.Fatalf("Expected NewDNSProvider() to return no error but the error was -> %v", err)
}
if err := provider.Present(rfc2136TestDomain, "", rfc2136TestKeyAuth); err == nil {
t.Errorf("Expected Present() to return an error but it did not.")
} else if !strings.Contains(err.Error(), "NOTZONE") {
t.Errorf("Expected Present() to return an error with the 'NOTZONE' rcode string but it did not.")
}
}
func TestRFC2136CanaryLocalTestServer(t *testing.T) {
acme.ClearFqdnCache()
dns.HandleFunc("example.com.", serverHandlerHello)
defer dns.HandleRemove("example.com.")
server, addrstr, err := runLocalDNSTestServer("127.0.0.1:0", false)
if err != nil {
t.Fatalf("Failed to start test server: %v", err)
}
defer server.Shutdown()
c := new(dns.Client)
m := new(dns.Msg)
m.SetQuestion("example.com.", dns.TypeTXT)
r, _, err := c.Exchange(m, addrstr)
if err != nil || len(r.Extra) == 0 {
t.Fatalf("Failed to communicate with test server: %v", err)
}
txt := r.Extra[0].(*dns.TXT).Txt[0]
if txt != "Hello world" {
t.Error("Expected test server to return 'Hello world' but got: ", txt)
}
}