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p2p: allow CIDR notation in DNS blocklist

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moneromooo-monero 2021-01-20 15:18:39 +00:00
parent 25670398b1
commit b5667c9f6c
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GPG key ID: 686F07454D6CEFC3
1 changed files with 15 additions and 6 deletions
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21
src/p2p/net_node.inl
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@ -2027,15 +2027,24 @@ namespace nodetool
boost::split(ips, record, boost::is_any_of(";")); boost::split(ips, record, boost::is_any_of(";"));
for (const auto &ip: ips) for (const auto &ip: ips)
{ {
const expect<epee::net_utils::network_address> parsed_addr = net::get_network_address(ip, 0); if (ip.empty())
if (!parsed_addr) continue;
auto subnet = net::get_ipv4_subnet_address(ip);
if (subnet)
{ {
MWARNING("Invalid IP address from DNS blocklist: " << ip << " - " << parsed_addr.error()); block_subnet(*subnet, DNS_BLOCKLIST_LIFETIME);
++bad; ++good;
continue; continue;
} }
block_host(*parsed_addr, DNS_BLOCKLIST_LIFETIME, true); const expect<epee::net_utils::network_address> parsed_addr = net::get_network_address(ip, 0);
++good; if (parsed_addr)
{
block_host(*parsed_addr, DNS_BLOCKLIST_LIFETIME, true);
++good;
continue;
}
MWARNING("Invalid IP address or subnet from DNS blocklist: " << ip << " - " << parsed_addr.error());
++bad;
} }
} }
if (good > 0) if (good > 0)