Пример #1
0
func TestPrivateByteSlice(t *testing.T) {
	dns.PrivateHandle("ISBN", TypeISBN, NewISBN)
	defer dns.PrivateHandleRemove(TypeISBN)

	rr, err := dns.NewRR(testrecord)
	if err != nil {
		t.Fatal(err)
	}

	buf := make([]byte, 100)
	off, err := dns.PackRR(rr, buf, 0, nil, false)
	if err != nil {
		t.Errorf("got error packing ISBN: %v", err)
	}

	custrr := rr.(*dns.PrivateRR)
	if ln := custrr.Data.Len() + len(custrr.Header().Name) + 11; ln != off {
		t.Errorf("offset is not matching to length of Private RR: %d!=%d", off, ln)
	}

	rr1, off1, err := dns.UnpackRR(buf[:off], 0)
	if err != nil {
		t.Errorf("got error unpacking ISBN: %v", err)
	}

	if off1 != off {
		t.Errorf("Offset after unpacking differs: %d != %d", off1, off)
	}

	if rr1.String() != testrecord {
		t.Errorf("Record string representation did not match original %#v != %#v", rr1.String(), testrecord)
	} else {
		t.Log(rr1.String())
	}
}
Пример #2
0
// Key serializes the RRset and return a signature cache key.
func key(rrs []dns.RR) string {
	h := fnv.New64()
	buf := make([]byte, 256)
	for _, r := range rrs {
		off, err := dns.PackRR(r, buf, 0, nil, false)
		if err == nil {
			h.Write(buf[:off])
		}
	}

	i := h.Sum64()
	return strconv.FormatUint(i, 10)
}
Пример #3
0
func marshalCanonicalCAASet(set []*dns.CAA) ([]byte, error) {
	var err error
	offset, size := 0, 0
	sortedSet := caaSet(set)
	sort.Sort(sortedSet)
	for _, rr := range sortedSet {
		size += dns.Len(rr)
	}
	tbh := make([]byte, size)
	for _, rr := range sortedSet {
		ttl := rr.Hdr.Ttl
		rr.Hdr.Ttl = 0 // only variable that should jitter
		offset, err = dns.PackRR(rr, tbh, offset, nil, false)
		if err != nil {
			return nil, err
		}
		rr.Hdr.Ttl = ttl
	}
	return tbh, nil
}