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