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Merge pull request #90 from gchq/feature-ipv6reservedranges

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Added EUI-64 detection to 'Parse IPv6 address'
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n1474335 2017-03-08 13:59:39 +00:00 committed by GitHub
commit 691f156911
1 changed files with 16 additions and 0 deletions
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16
src/js/operations/IP.js
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@ -209,6 +209,22 @@ var IP = {
output += "\nThis is a reserved multicast address.";
output += "\nMulticast addresses range: ff00::/8";
}
// Detect possible EUI-64 addresses
if ((ipv6[5] & 0xff === 0xff) && (ipv6[6] >>> 8 === 0xfe)) {
output += "\n\nThis IPv6 address contains a modified EUI-64 address, identified by the presence of FF:FE in the 12th and 13th octets.";
var intIdent = Utils.hex(ipv6[4] >>> 8) + ":" + Utils.hex(ipv6[4] & 0xff) + ":" +
Utils.hex(ipv6[5] >>> 8) + ":" + Utils.hex(ipv6[5] & 0xff) + ":" +
Utils.hex(ipv6[6] >>> 8) + ":" + Utils.hex(ipv6[6] & 0xff) + ":" +
Utils.hex(ipv6[7] >>> 8) + ":" + Utils.hex(ipv6[7] & 0xff),
mac = Utils.hex((ipv6[4] >>> 8) ^ 2) + ":" + Utils.hex(ipv6[4] & 0xff) + ":" +
Utils.hex(ipv6[5] >>> 8) + ":" + Utils.hex(ipv6[6] & 0xff) + ":" +
Utils.hex(ipv6[7] >>> 8) + ":" + Utils.hex(ipv6[7] & 0xff);
output += "\nInterface identifier: " + intIdent +
"\nMAC address: " + mac;
}
} else {
return "Invalid IPv6 address";
}