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p2p: avoid spam blocking ipv4 addresses in a blocked subnet

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moneromooo-monero 2023-03-01 16:56:17 +00:00 committed by selsta
parent 99be9a044f
commit f0e326be58
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1 changed files with 17 additions and 1 deletions
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18
src/p2p/net_node.inl
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@ -247,7 +247,23 @@ namespace nodetool
if (it == m_blocked_hosts.end())
{
m_blocked_hosts[host_str] = limit;
added = true;
// if the host was already blocked due to being in a blocked subnet, let it be silent
bool matches_blocked_subnet = false;
if (addr.get_type_id() == epee::net_utils::address_type::ipv4)
{
auto ipv4_address = addr.template as<epee::net_utils::ipv4_network_address>();
for (auto jt = m_blocked_subnets.begin(); jt != m_blocked_subnets.end(); ++jt)
{
if (jt->first.matches(ipv4_address))
{
matches_blocked_subnet = true;
break;
}
}
}
if (!matches_blocked_subnet)
added = true;
}
else if (it->second < limit || !add_only)
it->second = limit;