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Merge pull request #674 from FullName/RFC6598

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Shared address space for stacking NAT (CGN) is LAN.
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irungentoo 2013-12-05 16:43:03 -08:00
commit 4207b73ca9
1 changed files with 5 additions and 0 deletions
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5
toxcore/LAN_discovery.c
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@ -176,6 +176,11 @@ int LAN_ip(IP ip)
&& ip4.uint8[2] != 255) && ip4.uint8[2] != 255)
return 0; return 0;
/* RFC 6598: 100.64.0.0 to 100.127.255.255 (100.64.0.0/10)
* (shared address space to stack another layer of NAT) */
if ((ip4.uint8[0] == 100) && ((ip4.uint8[1] & 0xC0) == 0x40))
return 0;
} else if (ip.family == AF_INET6) { } else if (ip.family == AF_INET6) {
/* autogenerated for each interface: FE80::* (up to FEBF::*) /* autogenerated for each interface: FE80::* (up to FEBF::*)