nghttp2-asio: resolve numeric IPv6 server address

doc/ChangeLog.md

@@ -12,6 +12,10 @@ All notable changes to the project are documented in this file.
 - Updated QoS documentation with pictures and more information on VLAN
   interface ingress/egress priority handling.
 
+### Fixes
+- Fix #751: R2S rousette crash on boot if LAN not connected.
+  Fixes resolution for numeric address ::1, regardless of being set in /etc/hosts.
+
 
 [v24.10.1][] - 2024-10-18
 -------------------------

patches/nghttp2-asio/0001-resolve-numeric-ipv6.patch

@@ -0,0 +1,18 @@
+diff --git a/lib/asio_server.cc b/lib/asio_server.cc
+index 74c9227..c3d42aa 100644
+--- a/lib/asio_server.cc
++++ b/lib/asio_server.cc
+@@ -82,8 +82,13 @@ boost::system::error_code server::bind_and_listen(boost::system::error_code &ec,
+   // Open the acceptor with the option to reuse the address (i.e.
+   // SO_REUSEADDR).
+   tcp::resolver resolver(io_service_pool_.get_io_service());
++
+   tcp::resolver::query query(address, port);
+   auto it = resolver.resolve(query, ec);
++  if (ec) {
++    tcp::resolver::query query(address, port, boost::asio::ip::resolver_query_base::numeric_host);
++    it = resolver.resolve(query, ec);
++  }
+   if (ec) {
+     return ec;
+   }