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Merge pull request #6979 

92d19c4 p2p: rewrite boost's make_address_v4 to cater for < 1.66 (moneromooo-monero)
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luigi1111 2020-11-04 16:28:43 -06:00
parent 01606ee52e 92d19c48da
commit 1ba4c8dbc2
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GPG Key ID: F4ACA0183641E010
1 changed files with 14 additions and 9 deletions
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23
src/p2p/net_node.inl
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@ -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)