X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fcoremods%2Fcore_hostname_lookup.cpp;h=ec93732b124c732b7569f36454f6fdde55b3b762;hb=be91435ccb8e05c84ecd126b5c41b74c45f4535b;hp=bf882abf63eb03742eb4d904315a74376637939a;hpb=87e328a1fbfcacafc013ba580d31dd4123f1e7e2;p=user%2Fhenk%2Fcode%2Finspircd.git

diff --git a/src/coremods/core_hostname_lookup.cpp b/src/coremods/core_hostname_lookup.cpp
index bf882abf6..ec93732b1 100644
--- a/src/coremods/core_hostname_lookup.cpp
+++ b/src/coremods/core_hostname_lookup.cpp
@@ -199,6 +199,13 @@ class ModuleHostnameLookup : public Module
 			return;
 		}
 
+		// Clients can't have a DNS hostname if they aren't connected via IPv4 or IPv6.
+		if (user->client_sa.family() != AF_INET && user->client_sa.family() != AF_INET6)
+		{
+			user->WriteNotice("*** Skipping host resolution (connected via a non-IP socket)");
+			return;
+		}
+
 		user->WriteNotice("*** Looking up your hostname...");
 
 		UserResolver* res_reverse = new UserResolver(*this->DNS, this, user, user->GetIPString(), DNS::QUERY_PTR);