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Golang Msg.Insert方法代碼示例

本文整理匯總了Golang中github.com/miekg/dns.Msg.Insert方法的典型用法代碼示例。如果您正苦於以下問題:Golang Msg.Insert方法的具體用法?Golang Msg.Insert怎麽用?Golang Msg.Insert使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在github.com/miekg/dns.Msg的用法示例。


在下文中一共展示了Msg.Insert方法的6個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Golang代碼示例。

示例1: changeRecord

func (r *DNSProvider) changeRecord(action, fqdn, value string, ttl int) error {
	// Find the zone for the given fqdn
	zone, err := acme.FindZoneByFqdn(fqdn, []string{r.nameserver})
	if err != nil {
		return err
	}

	// Create RR
	rr := new(dns.TXT)
	rr.Hdr = dns.RR_Header{Name: fqdn, Rrtype: dns.TypeTXT, Class: dns.ClassINET, Ttl: uint32(ttl)}
	rr.Txt = []string{value}
	rrs := []dns.RR{rr}

	// Create dynamic update packet
	m := new(dns.Msg)
	m.SetUpdate(zone)
	switch action {
	case "INSERT":
		// Always remove old challenge left over from who knows what.
		m.RemoveRRset(rrs)
		m.Insert(rrs)
	case "REMOVE":
		m.Remove(rrs)
	default:
		return fmt.Errorf("Unexpected action: %s", action)
	}

	// Setup client
	c := new(dns.Client)
	c.SingleInflight = true
	// TSIG authentication / msg signing
	if len(r.tsigKey) > 0 && len(r.tsigSecret) > 0 {
		m.SetTsig(dns.Fqdn(r.tsigKey), r.tsigAlgorithm, 300, time.Now().Unix())
		c.TsigSecret = map[string]string{dns.Fqdn(r.tsigKey): r.tsigSecret}
	}

	// Send the query
	reply, _, err := c.Exchange(m, r.nameserver)
	if err != nil {
		return fmt.Errorf("DNS update failed: %v", err)
	}
	if reply != nil && reply.Rcode != dns.RcodeSuccess {
		return fmt.Errorf("DNS update failed. Server replied: %s", dns.RcodeToString[reply.Rcode])
	}

	return nil
}
開發者ID:Rudloff,項目名稱:platform,代碼行數:47,代碼來源:rfc2136.go

示例2: Insert

// Dynamically add a set of RR records stored in DNS
func (s *Service) Insert(zone string, rr []dns.RR) error {
	m := new(dns.Msg)

	m.SetUpdate(zone)
	m.SetTsig(dns.Fqdn(s.Key), dns.HmacMD5, 300, time.Now().Unix())
	m.Insert(rr)

	h, err := s.ServerPort()
	if err != nil {
		return err
	}

	c := new(dns.Client)
	c.TsigSecret = map[string]string{dns.Fqdn(s.Key): s.Secret}

	r, _, err := c.Exchange(m, h)
	if err != nil {
		return err
	}

	if r.Rcode != dns.RcodeSuccess {
		return errors.New(fmt.Sprintf("invalid exchange answer"))
	}

	return nil
}
開發者ID:ozym,項目名稱:zone,代碼行數:27,代碼來源:service.go

示例3: TestRFC2136ValidUpdatePacket

func TestRFC2136ValidUpdatePacket(t *testing.T) {
	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()

	rr := new(dns.TXT)
	rr.Hdr = dns.RR_Header{
		Name:   rfc2136TestFqdn,
		Rrtype: dns.TypeTXT,
		Class:  dns.ClassINET,
		Ttl:    uint32(rfc2136TestTTL),
	}
	rr.Txt = []string{rfc2136TestValue}
	rrs := make([]dns.RR, 1)
	rrs[0] = rr
	m := new(dns.Msg)
	m.SetUpdate(dns.Fqdn(rfc2136TestZone))
	m.Insert(rrs)
	expectstr := m.String()
	expect, err := m.Pack()
	if err != nil {
		t.Fatalf("Error packing expect msg: %v", err)
	}

	provider, err := NewDNSProviderRFC2136(addrstr, rfc2136TestZone, "", "")
	if err != nil {
		t.Fatalf("Expected NewDNSProviderRFC2136() 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)
	}
}
開發者ID:saltsa,項目名稱:lego,代碼行數:54,代碼來源:dns_challenge_rfc2136_test.go

示例4: TestRFC2136ValidUpdatePacket

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)
	}
}
開發者ID:adriencarbonne,項目名稱:lego,代碼行數:48,代碼來源:rfc2136_test.go

示例5: changeRecord

func (r *DNSProviderRFC2136) changeRecord(action, fqdn, value string, ttl int) error {
	// Create RR
	rr := new(dns.TXT)
	rr.Hdr = dns.RR_Header{Name: fqdn, Rrtype: dns.TypeTXT, Class: dns.ClassINET, Ttl: uint32(ttl)}
	rr.Txt = []string{value}
	rrs := make([]dns.RR, 1)
	rrs[0] = rr

	// Create dynamic update packet
	m := new(dns.Msg)
	m.SetUpdate(dns.Fqdn(r.zone))
	switch action {
	case "INSERT":
		m.Insert(rrs)
	case "REMOVE":
		m.Remove(rrs)
	default:
		return fmt.Errorf("Unexpected action: %s", action)
	}

	// Setup client
	c := new(dns.Client)
	c.SingleInflight = true
	// TSIG authentication / msg signing
	if len(r.tsigKey) > 0 && len(r.tsigSecret) > 0 {
		m.SetTsig(dns.Fqdn(r.tsigKey), dns.HmacMD5, 300, time.Now().Unix())
		c.TsigSecret = map[string]string{dns.Fqdn(r.tsigKey): r.tsigSecret}
	}

	// Send the query
	reply, _, err := c.Exchange(m, r.nameserver)
	if err != nil {
		return fmt.Errorf("DNS update failed: %v", err)
	}
	if reply != nil && reply.Rcode != dns.RcodeSuccess {
		return fmt.Errorf("DNS update failed. Server replied: %s", dns.RcodeToString[reply.Rcode])
	}

	return nil
}
開發者ID:weppos,項目名稱:lego,代碼行數:40,代碼來源:dns_challenge_rfc2136.go

示例6: AddRecord

func (r *RFC2136Provider) AddRecord(record utils.DnsRecord) error {
	logrus.Debugf("Adding RRset '%s %s'", record.Fqdn, record.Type)
	m := new(dns.Msg)
	m.SetUpdate(r.zoneName)
	rrs := make([]dns.RR, 0)
	for _, rec := range record.Records {
		logrus.Debugf("Adding RR: '%s %d %s %s'", record.Fqdn, record.TTL, record.Type, rec)
		rr, err := dns.NewRR(fmt.Sprintf("%s %d %s %s", record.Fqdn, record.TTL, record.Type, rec))
		if err != nil {
			return fmt.Errorf("Failed to build RR: %v", err)
		}
		rrs = append(rrs, rr)
	}

	m.Insert(rrs)
	err := r.sendMessage(m)
	if err != nil {
		return fmt.Errorf("RFC2136 query failed: %v", err)
	}

	return nil
}
開發者ID:rancher,項目名稱:external-dns,代碼行數:22,代碼來源:rfc2136.go


注:本文中的github.com/miekg/dns.Msg.Insert方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。