From a8b0ab037820f6a9f405be3855ce8d3ebbd4399b Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Thu, 8 Oct 2009 09:56:40 +0000
Subject: [PATCH] fix code for certain types of /etc/hosts files

---
 src/util/resolver_api.c | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/src/util/resolver_api.c b/src/util/resolver_api.c
index b86e5c666..cc81aa6b8 100644
--- a/src/util/resolver_api.c
+++ b/src/util/resolver_api.c
@@ -311,7 +311,7 @@ GNUNET_RESOLVER_ip_get (struct GNUNET_SCHEDULER_Handle *sched,
   v6.sin6_len = sizeof(v6);
 #endif
   /* first, check if this is a numeric address */
-  if ( ( (domain == AF_UNSPEC) ||(domain == AF_INET) ) && 
+  if ( ( (domain == AF_UNSPEC) || (domain == AF_INET) ) && 
        (0 == inet_pton (AF_INET,
 			hostname,
 			&v4.sin_addr)) )
@@ -319,7 +319,17 @@ GNUNET_RESOLVER_ip_get (struct GNUNET_SCHEDULER_Handle *sched,
       callback (callback_cls,
 		(const struct sockaddr*) &v4,
 		sizeof(v4));
-      callback (callback_cls, NULL, 0);
+      if ( (domain == AF_UNSPEC) && 
+	   (0 == inet_pton (AF_INET6,
+			    hostname,
+			    &v6.sin6_addr)) )
+	{
+	  /* this can happen on some systems IF "hostname" is "localhost" */
+	  callback (callback_cls,
+		    (const struct sockaddr*) &v6,
+		    sizeof(v6));
+	}
+      callback (callback_cls, NULL, 0);      
       return;
     }
   if ( ( (domain == AF_UNSPEC) ||(domain == AF_INET) ) && 
-- 
2.25.1