From 35a856a1e1cf4ff0f68ca17a0be1f9b928ebcf9c Mon Sep 17 00:00:00 2001
From: Roger Dingledine <arma@torproject.org>
Date: Fri, 17 Oct 2003 04:48:20 +0000
Subject: [PATCH] catch misconfigured machines that return hostname as fqdn

svn:r610
---
 trunk/src/or/routers.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/trunk/src/or/routers.c b/trunk/src/or/routers.c
index 292e045b77..121d66bb3b 100644
--- a/trunk/src/or/routers.c
+++ b/trunk/src/or/routers.c
@@ -1130,6 +1130,10 @@ int router_rebuild_descriptor(void) {
       return -1;
     }
     address = localhostname;
+    if(!strchr(address,'.')) {
+      log_fn(LOG_WARN,"fqdn '%s' has only one element. Misconfigured machine?",address);
+      return -1;
+    }
   }
   ri = tor_malloc(sizeof(routerinfo_t));
   ri->address = tor_strdup(address);