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48 lines
1.2 KiB
48 lines
1.2 KiB
/* |
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* Traditional DNS header RCODEs (4-bits) defined by IANA in |
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* https://www.iana.org/assignments/dns-parameters/dns-parameters.xhtml |
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*/ |
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exports.toString = function (rcode) { |
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switch (rcode) { |
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case 0: return 'NOERROR' |
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case 1: return 'FORMERR' |
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case 2: return 'SERVFAIL' |
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case 3: return 'NXDOMAIN' |
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case 4: return 'NOTIMP' |
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case 5: return 'REFUSED' |
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case 6: return 'YXDOMAIN' |
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case 7: return 'YXRRSET' |
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case 8: return 'NXRRSET' |
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case 9: return 'NOTAUTH' |
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case 10: return 'NOTZONE' |
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case 11: return 'RCODE_11' |
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case 12: return 'RCODE_12' |
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case 13: return 'RCODE_13' |
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case 14: return 'RCODE_14' |
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case 15: return 'RCODE_15' |
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} |
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return 'RCODE_' + rcode |
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} |
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exports.toRcode = function (code) { |
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switch (code.toUpperCase()) { |
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case 'NOERROR': return 0 |
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case 'FORMERR': return 1 |
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case 'SERVFAIL': return 2 |
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case 'NXDOMAIN': return 3 |
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case 'NOTIMP': return 4 |
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case 'REFUSED': return 5 |
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case 'YXDOMAIN': return 6 |
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case 'YXRRSET': return 7 |
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case 'NXRRSET': return 8 |
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case 'NOTAUTH': return 9 |
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case 'NOTZONE': return 10 |
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case 'RCODE_11': return 11 |
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case 'RCODE_12': return 12 |
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case 'RCODE_13': return 13 |
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case 'RCODE_14': return 14 |
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case 'RCODE_15': return 15 |
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} |
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return 0 |
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}
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