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Support IPv6 in --bogus-nxdomian and --ignore-address

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This commit is contained in:
Simon Kelley
2021-07-04 22:27:00 +01:00
parent 4558c26fcd
commit 5bcca1219a
5 changed files with 76 additions and 32 deletions
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12
src/util.c
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@@ -436,7 +436,17 @@ int netmask_length(struct in_addr mask)
int is_same_net(struct in_addr a, struct in_addr b, struct in_addr mask)
{
return (a.s_addr & mask.s_addr) == (b.s_addr & mask.s_addr);
}
}
int is_same_net_prefix(struct in_addr a, struct in_addr b, int prefix)
{
struct in_addr mask;
mask.s_addr = htonl(~((1 << (32 - prefix)) - 1));
return is_same_net(a, b, mask);
}
int is_same_net6(struct in6_addr *a, struct in6_addr *b, int prefixlen)
{