From bf8586922e9e81b74aa2ef35093f29ec9007c900 Mon Sep 17 00:00:00 2001
From: Damien Stuart <dstart@dstuart.org>
Date: Fri, 16 Jul 2010 20:47:50 +0000
Subject: [PATCH] Added check to make sure a firewall program is set.

git-svn-id: file:///home/mbr/svn/fwknop/trunk@267 510a4753-2344-4c79-9c09-4d669213fbeb
---
 server/config_init.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/server/config_init.c b/server/config_init.c
index ac20107b..79ba887b 100644
--- a/server/config_init.c
+++ b/server/config_init.c
@@ -416,7 +416,14 @@ validate_options(fko_srv_options_t *opts)
         exit(EXIT_FAILURE);
     }
 
-
+    if(opts->config[CONF_EXE_IPTABLES] == NULL
+      && opts->config[CONF_EXE_IPFW] == NULL)
+    {
+        fprintf(stderr,
+            "No firewall command executable is set. Please check fwknopd.conf for EXE_IPTABLES or EXE_IPFW.\n"
+        );
+        exit(EXIT_FAILURE);
+    }
 
     return;
 }