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fix ipv6 preference on linux

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Signed-off-by: R4SAS <r4sas@i2pmail.org>
This commit is contained in:
R4SAS 2021-05-31 00:23:50 +03:00
parent 39319853ab
commit be31640010
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GPG Key ID: 66F6C87B98EBCFE2
2 changed files with 14 additions and 8 deletions
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13
libi2pd/NTCP2.cpp
View File

@ -1197,16 +1197,19 @@ namespace transport
m_NTCP2V6Acceptor->open (boost::asio::ip::tcp::v6());
m_NTCP2V6Acceptor->set_option (boost::asio::ip::v6_only (true));
m_NTCP2V6Acceptor->set_option (boost::asio::socket_base::reuse_address (true));
#ifdef __linux__
if (!m_Address6 && !m_YggdrasilAddress) // only if not binded to address
{
// Set preference to use public IPv6 address -- tested on linux, not works on windows, and not tested on others
typedef boost::asio::detail::socket_option::integer<BOOST_ASIO_OS_DEF(IPPROTO_IPV6), IPV6_ADDR_PREFERENCES> ipv6PreferAddr;
m_NTCP2V6Acceptor->set_option (ipv6PreferAddr(IPV6_PREFER_SRC_PUBLIC | IPV6_PREFER_SRC_HOME | IPV6_PREFER_SRC_NONCGA));
}
#endif
auto ep = boost::asio::ip::tcp::endpoint(boost::asio::ip::tcp::v6(), address->port);
if (m_Address6 && !context.SupportsMesh ())
ep = boost::asio::ip::tcp::endpoint (m_Address6->address(), address->port);
else if (m_YggdrasilAddress && !context.SupportsV6 ())
ep = boost::asio::ip::tcp::endpoint (m_YggdrasilAddress->address(), address->port);
#ifdef __linux__
// Set preference to use public IPv6 address -- tested on linux, not works on windows, and not tested on others
typedef boost::asio::detail::socket_option::boolean<IPV6_ADDR_PREFERENCES, IPV6_PREFER_SRC_PUBLIC> ipv6PreferPubAddr;
m_NTCP2V6Acceptor->set_option (ipv6PreferPubAddr (true));
#endif
m_NTCP2V6Acceptor->bind (ep);
m_NTCP2V6Acceptor->listen ();

9
libi2pd/SSU.cpp
View File

@ -67,9 +67,12 @@ namespace transport
m_SocketV6.set_option (boost::asio::socket_base::receive_buffer_size (SSU_SOCKET_RECEIVE_BUFFER_SIZE));
m_SocketV6.set_option (boost::asio::socket_base::send_buffer_size (SSU_SOCKET_SEND_BUFFER_SIZE));
#ifdef __linux__
// Set preference to use public IPv6 address -- tested on linux, not works on windows, and not tested on others
typedef boost::asio::detail::socket_option::boolean<IPV6_ADDR_PREFERENCES, IPV6_PREFER_SRC_PUBLIC> ipv6PreferPubAddr;
m_SocketV6.set_option (ipv6PreferPubAddr(true));
if (m_EndpointV6.address() != boost::asio::ip::address().from_string("::")) // only if not binded to address
{
// Set preference to use public IPv6 address -- tested on linux, not works on windows, and not tested on others
typedef boost::asio::detail::socket_option::integer<BOOST_ASIO_OS_DEF(IPPROTO_IPV6), IPV6_ADDR_PREFERENCES> ipv6PreferAddr;
m_SocketV6.set_option (ipv6PreferAddr(IPV6_PREFER_SRC_PUBLIC | IPV6_PREFER_SRC_HOME | IPV6_PREFER_SRC_NONCGA));
}
#endif
m_SocketV6.bind (m_EndpointV6);
LogPrint (eLogInfo, "SSU: Start listening v6 port ", m_EndpointV6.port());