Handle CNAME-only in ares_parse_aaaa_reply().

posted to the c-ares list by Peter Griess <pg@std.in>.

diff --git a/ares_parse_aaaa_reply.c b/ares_parse_aaaa_reply.c
index 1fbe8389f74fd35f1fbf6a50d914246950bac8c7..b11df524952eb3b81e3ad48aab784497606aa96e 100644 (file)
--- a/ares_parse_aaaa_reply.c
+++ b/ares_parse_aaaa_reply.c
@@ -204,7 +204,9 @@ int ares_parse_aaaa_reply(const unsigned char *abuf, int alen,
         }
     }
 
-  if (status == ARES_SUCCESS && naddrs == 0)
+  /* the check for naliases to be zero is to make sure CNAME responses
+     don't get caught here */
+  if (status == ARES_SUCCESS && naddrs == 0 && naliases == 0)
     status = ARES_ENODATA;
   if (status == ARES_SUCCESS)
     {