From 5bcbfc91fbae039934dd8717c757247244a8668a Mon Sep 17 00:00:00 2001
From: gamelinux <edwardfjellskaal@gmail.com>
Date: Wed, 2 May 2012 17:42:20 +0000
Subject: [PATCH] Fixed segfault when unable to read pcap - Thanks to Joe Moore

---
 src/passivedns.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/passivedns.c b/src/passivedns.c
index b78c14f..3180345 100644
--- a/src/passivedns.c
+++ b/src/passivedns.c
@@ -1142,6 +1142,11 @@ int main(int argc, char *argv[])
 
     }
 
+    if (config.handle == NULL) {
+       game_over();
+       return (1);
+    }
+
     /** segfaults on empty pcap! */
     if ((pcap_compile(config.handle, &config.cfilter, config.bpff, 1, config.net_mask)) == -1) {
             olog("[*] Error pcap_compile user_filter: %s\n", pcap_geterr(config.handle));