- --- a/addrmap.c
- +++ b/addrmap.c
- @@ -44,7 +44,9 @@ int validate_ip4_addr(const struct in_ad
- int validate_ip6_addr(const struct in6_addr *a)
- {
- /* Well-known prefix for NAT64 */
- - if (a->s6_addr32[0] == WKPF && !a->s6_addr32[1] && !a->s6_addr32[2])
- + if (a->s6_addr32[0] == WKPF &&
- + (!a->s6_addr32[1] || (a->s6_addr16[2] == htonl(0x0001)))
- + && !a->s6_addr32[2])
- return 0;
-
- /* Reserved per RFC 2373 */
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