From 3b9802a542f1fa439321d3386763ec33989194b5 Mon Sep 17 00:00:00 2001
From: Guus Sliepen <guus@tinc-vpn.org>
Date: Sun, 29 Oct 2000 00:46:43 +0000
Subject: [PATCH] - Hit people who can't figure out subnet address/mask pairs
 with a   (clue)bat.

---
 src/net.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/net.c b/src/net.c
index 8b243a5c..32c66e87 100644
--- a/src/net.c
+++ b/src/net.c
@@ -17,7 +17,7 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id: net.c,v 1.35.4.50 2000/10/29 00:02:18 guus Exp $
+    $Id: net.c,v 1.35.4.51 2000/10/29 00:46:43 guus Exp $
 */
 
 #include "config.h"
@@ -738,6 +738,14 @@ cp
       net->net.ipv4.address = cfg->data.ip->address;
       net->net.ipv4.mask = cfg->data.ip->mask;
       
+      /* Teach newbies what subnets are... */
+      
+      if((net->net.ipv4.address & net->net.ipv4.mask) != net->net.ipv4.address)
+        {
+          syslog(LOG_ERR, _("Network address and subnet mask do not match!"));
+          return -1;
+        }        
+      
       subnet_add(myself, net);
     }
     
-- 
2.20.1