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Fix very obscure IP scope classification logic bug.

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This commit is contained in:
Adam Ierymenko
2015-10-19 15:19:04 -07:00
parent 0b2e5ed499
commit cfdcce6d12
2 changed files with 6 additions and 8 deletions
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12
node/InetAddress.cpp
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@ -77,14 +77,12 @@ InetAddress::IpScope InetAddress::ipScope() const
if ((ip & 0xffff0000) == 0xc0a80000) return IP_SCOPE_PRIVATE; // 192.168.0.0/16
break;
case 0xff: return IP_SCOPE_NONE; // 255.0.0.0/8 (broadcast, or unused/unusable)
default:
switch(ip >> 28) {
case 0xe: return IP_SCOPE_MULTICAST; // 224.0.0.0/4
case 0xf: return IP_SCOPE_PSEUDOPRIVATE; // 240.0.0.0/4 ("reserved," usually unusable)
default: return IP_SCOPE_GLOBAL; // everything else
}
break;
}
switch(ip >> 28) {
case 0xe: return IP_SCOPE_MULTICAST; // 224.0.0.0/4
case 0xf: return IP_SCOPE_PSEUDOPRIVATE; // 240.0.0.0/4 ("reserved," usually unusable)
}
return IP_SCOPE_GLOBAL;
} break;
case AF_INET6: {