49 lines
1.8 KiB
JavaScript
49 lines
1.8 KiB
JavaScript
(function (exports) {
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'use strict';
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var classes = exports.DNS_CLASSES || require('./dns.classes.js').DNS_CLASSES;
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var types = exports.DNS_TYPES || require('./dns.types.js').DNS_TYPES;
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exports.DNS_RDATA_PARSE = function (ab, packet, record) {
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// ab is needed if the rdata makes use of compression pointers
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// packet is given for convenience
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var parser;
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if (!record.className) {
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throw new Error("Support for DNS Class 0x" + record.class.toString(16) + " (" + record.class + ")"
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+ " is not implemented yet. Open an issue if you actually need support"
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+ " (i.e. you're not working with a malformed packet)"
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);
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}
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if (!record.typeName) {
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throw new Error("Support for DNS Type 0x" + record.type.toString(16) + " (" + record.type + ")"
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+ " is not implemented yet. Open an issue if you actually need support"
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+ " (i.e. you're not working with a malformed packet)"
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);
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}
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try {
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parser = exports['DNS_TYPE_' + record.typeName]
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|| require('./dns.type.' + record.typeName.toLowerCase())['DNS_TYPE_' + record.typeName];
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}
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catch (e) { /*console.error(e)*/ }
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if (!parser) {
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throw new Error("Parser for DNS Type " + record.typeName + " could not be loaded."
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+ " Did you include <script src=\"dns.type." + record.typeName.toLowerCase() + ".js\"></script> ?"
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+ " (or perhaps we plan to implement it and haven't yet - in which case please open an issue)"
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);
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}
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// NOTE: record will be modified
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// Things that get added include:
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// address, data, priority exchange, weight,
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// NOTE: this slicing is a shim so that we don't have to pass rdend to unpackLabel
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// (because `undefined` and 0x00 are functionally equivalent)
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return parser(ab.slice(0, record.rdstart + record.rdlength), packet, record);
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};
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}('undefined' !== typeof window ? window : exports));
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