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| author | moneromooo <moneromoo@nowhere.nowhere.nowhere> | 2020-10-27 22:02:41 +0000 |
|---|---|---|
| committer | moneromooo-monero <moneromooo-monero@users.noreply.github.com> | 2020-11-04 20:26:50 +0000 |
| commit | 92d19c48da183b5b36303bde031d1f3734dedbed (patch) | |
| tree | 339ad732369ad1cf09e3f98c017b20202256710c | |
| parent | Merge pull request #6974 (diff) | |
| download | monero-92d19c48da183b5b36303bde031d1f3734dedbed.tar.xz | |
p2p: rewrite boost's make_address_v4 to cater for < 1.66
| -rw-r--r-- | src/p2p/net_node.inl | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/src/p2p/net_node.inl b/src/p2p/net_node.inl index d565b1870..43410dcbe 100644 --- a/src/p2p/net_node.inl +++ b/src/p2p/net_node.inl @@ -71,6 +71,17 @@ #define MIN_WANTED_SEED_NODES 12 +static inline boost::asio::ip::address_v4 make_address_v4_from_v6(const boost::asio::ip::address_v6& a) +{ + const auto &bytes = a.to_bytes(); + uint32_t v4 = 0; + v4 = (v4 << 8) | bytes[12]; + v4 = (v4 << 8) | bytes[13]; + v4 = (v4 << 8) | bytes[14]; + v4 = (v4 << 8) | bytes[15]; + return boost::asio::ip::address_v4(v4); +} + namespace nodetool { template<class t_payload_net_handler> @@ -1467,36 +1478,32 @@ namespace nodetool const uint32_t actual_ip = na.as<const epee::net_utils::ipv4_network_address>().ip(); classB.insert(actual_ip & 0x0000ffff); } -#if BOOST_VERSION > 106600 else if (cntxt.m_remote_address.get_type_id() == epee::net_utils::ipv6_network_address::get_type_id()) { const epee::net_utils::network_address na = cntxt.m_remote_address; const boost::asio::ip::address_v6 &actual_ip = na.as<const epee::net_utils::ipv6_network_address>().ip(); if (actual_ip.is_v4_mapped()) { - boost::asio::ip::address_v4 v4ip = make_address_v4(boost::asio::ip::v4_mapped, actual_ip); + boost::asio::ip::address_v4 v4ip = make_address_v4_from_v6(actual_ip); uint32_t actual_ipv4; memcpy(&actual_ipv4, v4ip.to_bytes().data(), sizeof(actual_ipv4)); classB.insert(actual_ipv4 & ntohl(0xffff0000)); } } -#endif return true; }); } auto get_host_string = [](const epee::net_utils::network_address &address) { -#if BOOST_VERSION > 106600 if (address.get_type_id() == epee::net_utils::ipv6_network_address::get_type_id()) { boost::asio::ip::address_v6 actual_ip = address.as<const epee::net_utils::ipv6_network_address>().ip(); if (actual_ip.is_v4_mapped()) { - boost::asio::ip::address_v4 v4ip = make_address_v4(boost::asio::ip::v4_mapped, actual_ip); + boost::asio::ip::address_v4 v4ip = make_address_v4_from_v6(actual_ip); return epee::net_utils::ipv4_network_address(v4ip.to_uint(), 0).host_str(); } } -#endif return address.host_str(); }; std::unordered_set<std::string> hosts_added; @@ -1516,20 +1523,18 @@ namespace nodetool uint32_t actual_ip = na.as<const epee::net_utils::ipv4_network_address>().ip(); skip = classB.find(actual_ip & 0x0000ffff) != classB.end(); } -#if BOOST_VERSION > 106600 else if (skip_duplicate_class_B && pe.adr.get_type_id() == epee::net_utils::ipv6_network_address::get_type_id()) { const epee::net_utils::network_address na = pe.adr; const boost::asio::ip::address_v6 &actual_ip = na.as<const epee::net_utils::ipv6_network_address>().ip(); if (actual_ip.is_v4_mapped()) { - boost::asio::ip::address_v4 v4ip = make_address_v4(boost::asio::ip::v4_mapped, actual_ip); + boost::asio::ip::address_v4 v4ip = make_address_v4_from_v6(actual_ip); uint32_t actual_ipv4; memcpy(&actual_ipv4, v4ip.to_bytes().data(), sizeof(actual_ipv4)); skip = classB.find(actual_ipv4 & ntohl(0xffff0000)) != classB.end(); } } -#endif // consider each host once, to avoid giving undue inflence to hosts running several nodes if (!skip) |