From be31640010ab6fe6777435302fc231ae3279f73e Mon Sep 17 00:00:00 2001 From: R4SAS Date: Mon, 31 May 2021 00:23:50 +0300 Subject: [PATCH] fix ipv6 preference on linux Signed-off-by: R4SAS --- libi2pd/NTCP2.cpp | 13 ++++++++----- libi2pd/SSU.cpp | 9 ++++++--- 2 files changed, 14 insertions(+), 8 deletions(-) diff --git a/libi2pd/NTCP2.cpp b/libi2pd/NTCP2.cpp index 54d6483c..72e822cd 100644 --- a/libi2pd/NTCP2.cpp +++ b/libi2pd/NTCP2.cpp @@ -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 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 ipv6PreferPubAddr; - m_NTCP2V6Acceptor->set_option (ipv6PreferPubAddr (true)); -#endif m_NTCP2V6Acceptor->bind (ep); m_NTCP2V6Acceptor->listen (); diff --git a/libi2pd/SSU.cpp b/libi2pd/SSU.cpp index 0836f84e..f625c89b 100644 --- a/libi2pd/SSU.cpp +++ b/libi2pd/SSU.cpp @@ -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 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 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());