37 lines
886 B
JavaScript
37 lines
886 B
JavaScript
// NOTE: this should be EXACTLY the same as PTR
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(function (exports) {
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'use strict';
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// NS name for the supplied domain. May be label, pointer or any combination
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exports.DNS_PACKER_TYPE_NS = function (ab, dv, total, record) {
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if (!record.data) {
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throw new Error("no data on NS record");
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}
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// RDLENGTH
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// leading len and length of string and trailing null (all dots become lengths)
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dv.setUint16(total, record.data.length + 2, false);
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total += 2;
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// RDATA
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// a sequence of labels
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record.data.split('.').forEach(function (label) {
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dv.setUint8(total, label.length, false);
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total += 1;
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label.split('').forEach(function (ch) {
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dv.setUint8(total, ch.charCodeAt(0), false);
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total += 1;
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});
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});
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dv.setUint8(total, 0x00, false);
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total += 1;
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return total;
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};
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}('undefined' !== typeof window ? window : exports));
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