From ac5893c62675ac0f25538c5b231dd3cd287eb4d9 Mon Sep 17 00:00:00 2001
From: Nick Mathewson <nickm@torproject.org>
Date: Wed, 30 Jul 2003 19:12:03 +0000
Subject: src/or

svn:r371
---
 src/or/routers.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'src/or/routers.c')

diff --git a/src/or/routers.c b/src/or/routers.c
index 06d7e2c793..f4d059d9cc 100644
--- a/src/or/routers.c
+++ b/src/or/routers.c
@@ -58,7 +58,11 @@ int learn_my_address(struct sockaddr_in *me) {
   memcpy((void *)&me->sin_addr,(void *)localhost->h_addr,sizeof(struct in_addr));
   me->sin_port = htons(options.ORPort);
   log_fn(LOG_DEBUG,"chose address as '%s'.",inet_ntoa(me->sin_addr));
-
+  if (!strncmp("127.",inet_ntoa(me->sin_addr), 4) &&
+      strcasecmp(localhostname, "localhost")) {
+    /* We're a loopback IP but we're not called localhost.  Uh oh! */
+    log_fn(LOG_WARNING, "Got a loopback address: /etc/hosts may be wrong");
+  }
   return 0;
 }
 
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