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Allow (only) dn42 IPs

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Minecon724 2025-08-31 06:55:36 +02:00
commit a6d9072f5c
Signed by: Minecon724
GPG key ID: A02E6E67AB961189
1 changed files with 12 additions and 88 deletions
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100
nano/node/transport/transport.cpp
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@ -71,98 +71,22 @@ bool nano::transport::reserved_address (nano::endpoint const & endpoint_a, bool
{
debug_assert (endpoint_a.address ().is_v6 ());
auto bytes (endpoint_a.address ().to_v6 ());
auto result (false);
static auto const rfc1700_min (mapped_from_v4_bytes (0x00000000ul));
static auto const rfc1700_max (mapped_from_v4_bytes (0x00fffffful));
static auto const rfc1918_1_min (mapped_from_v4_bytes (0x0a000000ul));
static auto const rfc1918_1_max (mapped_from_v4_bytes (0x0afffffful));
static auto const rfc1918_2_min (mapped_from_v4_bytes (0xac100000ul));
static auto const rfc1918_2_max (mapped_from_v4_bytes (0xac1ffffful));
static auto const rfc1918_3_min (mapped_from_v4_bytes (0xc0a80000ul));
static auto const rfc1918_3_max (mapped_from_v4_bytes (0xc0a8fffful));
static auto const rfc6598_min (mapped_from_v4_bytes (0x64400000ul));
static auto const rfc6598_max (mapped_from_v4_bytes (0x647ffffful));
static auto const rfc5737_1_min (mapped_from_v4_bytes (0xc0000200ul));
static auto const rfc5737_1_max (mapped_from_v4_bytes (0xc00002fful));
static auto const rfc5737_2_min (mapped_from_v4_bytes (0xc6336400ul));
static auto const rfc5737_2_max (mapped_from_v4_bytes (0xc63364fful));
static auto const rfc5737_3_min (mapped_from_v4_bytes (0xcb007100ul));
static auto const rfc5737_3_max (mapped_from_v4_bytes (0xcb0071fful));
static auto const ipv4_multicast_min (mapped_from_v4_bytes (0xe0000000ul));
static auto const ipv4_multicast_max (mapped_from_v4_bytes (0xeffffffful));
static auto const rfc6890_min (mapped_from_v4_bytes (0xf0000000ul));
static auto const rfc6890_max (mapped_from_v4_bytes (0xfffffffful));
static auto const rfc6666_min (boost::asio::ip::make_address_v6 ("100::"));
static auto const rfc6666_max (boost::asio::ip::make_address_v6 ("100::ffff:ffff:ffff:ffff"));
static auto const rfc3849_min (boost::asio::ip::make_address_v6 ("2001:db8::"));
static auto const rfc3849_max (boost::asio::ip::make_address_v6 ("2001:db8:ffff:ffff:ffff:ffff:ffff:ffff"));
static auto const rfc4193_min (boost::asio::ip::make_address_v6 ("fc00::"));
static auto const rfc4193_max (boost::asio::ip::make_address_v6 ("fd00:ffff:ffff:ffff:ffff:ffff:ffff:ffff"));
static auto const ipv6_multicast_min (boost::asio::ip::make_address_v6 ("ff00::"));
static auto const ipv6_multicast_max (boost::asio::ip::make_address_v6 ("ff00:ffff:ffff:ffff:ffff:ffff:ffff:ffff"));
if (endpoint_a.port () == 0)
auto result (true);
static auto const dn42_ipv4_min (mapped_from_v4_bytes (0xac140000ul));
static auto const dn42_ipv4_max (mapped_from_v4_bytes (0xac14fffful));
static auto const dn42_ipv6_min (boost::asio::ip::make_address_v6 ("fd00::"));
static auto const dn42_ipv6_max (boost::asio::ip::make_address_v6 ("fdff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"));
if (bytes >= dn42_ipv4_min && bytes <= dn42_ipv4_max)
{
result = true;
result = false;
}
else if (bytes >= rfc1700_min && bytes <= rfc1700_max)
else if (bytes >= dn42_ipv6_min && bytes <= dn42_ipv6_max)
{
result = true;
}
else if (bytes >= rfc5737_1_min && bytes <= rfc5737_1_max)
{
result = true;
}
else if (bytes >= rfc5737_2_min && bytes <= rfc5737_2_max)
{
result = true;
}
else if (bytes >= rfc5737_3_min && bytes <= rfc5737_3_max)
{
result = true;
}
else if (bytes >= ipv4_multicast_min && bytes <= ipv4_multicast_max)
{
result = true;
}
else if (bytes >= rfc6890_min && bytes <= rfc6890_max)
{
result = true;
}
else if (bytes >= rfc6666_min && bytes <= rfc6666_max)
{
result = true;
}
else if (bytes >= rfc3849_min && bytes <= rfc3849_max)
{
result = true;
}
else if (bytes >= ipv6_multicast_min && bytes <= ipv6_multicast_max)
{
result = true;
}
else if (!allow_local_peers)
{
if (bytes >= rfc1918_1_min && bytes <= rfc1918_1_max)
{
result = true;
}
else if (bytes >= rfc1918_2_min && bytes <= rfc1918_2_max)
{
result = true;
}
else if (bytes >= rfc1918_3_min && bytes <= rfc1918_3_max)
{
result = true;
}
else if (bytes >= rfc6598_min && bytes <= rfc6598_max)
{
result = true;
}
else if (bytes >= rfc4193_min && bytes <= rfc4193_max)
{
result = true;
}
result = false;
}
return result;
}