* ---------------------------------------------------
*/
-/* $Core */
-
#include "inspircd.h"
#include "socket.h"
#include "socketengine.h"
if (rv >= 0)
rv = ServerInstance->SE->Listen(this->fd, ServerInstance->Config->MaxConn);
+#ifdef IPV6_V6ONLY
+ /* This OS supports IPv6 sockets that can also listen for IPv4
+ * connections. If our address is "*" or empty, enable both v4 and v6 to
+ * allow for simpler configuration on dual-stack hosts. Otherwise, if it
+ * is "::" or an IPv6 address, disable support so that an IPv4 bind will
+ * work on the port (by us or another application).
+ */
+ if (bind_to.sa.sa_family == AF_INET6)
+ {
+ std::string addr = tag->getString("address");
+ int enable = (addr.empty() || addr == "*") ? 0 : 1;
+ setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, &enable, sizeof(enable));
+ // errors ignored intentionally
+ }
+#endif
+
if (rv < 0)
{
int errstore = errno;
socklen_t length = sizeof(client);
int incomingSockfd = ServerInstance->SE->Accept(this, &client.sa, &length);
- ServerInstance->Logs->Log("SOCKET",DEBUG,"HandleEvent for Listensoket %s nfd=%d", bind_desc.c_str(), incomingSockfd);
+ ServerInstance->Logs->Log("SOCKET",DEBUG,"HandleEvent for Listensocket %s nfd=%d", bind_desc.c_str(), incomingSockfd);
if (incomingSockfd < 0)
{
ServerInstance->stats->statsRefused++;