From: Victor Julien <victor@inliniac.net>
Date: Mon, 22 Sep 2014 15:33:40 +0000 (+0200)
Subject: af-packet: check pointers before use
X-Git-Tag: suricata-2.1beta2~103
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=7cdc57060b6b16417c45468682158ded6b47a091;p=thirdparty%2Fsuricata.git

af-packet: check pointers before use
---

diff --git a/src/runmode-af-packet.c b/src/runmode-af-packet.c
index 0388aafab6..9d38d30680 100644
--- a/src/runmode-af-packet.c
+++ b/src/runmode-af-packet.c
@@ -353,6 +353,10 @@ int AFPRunModeIsIPS()
 
     for (ldev = 0; ldev < nlive; ldev++) {
         char *live_dev = LiveGetDeviceName(ldev);
+        if (live_dev == NULL) {
+            SCLogError(SC_ERR_INVALID_VALUE, "Problem with config file");
+            return 0;
+        }
         char *copymodestr = NULL;
         if_root = ConfNodeLookupKeyValue(af_packet_node, "interface", live_dev);
 
@@ -379,6 +383,10 @@ int AFPRunModeIsIPS()
         SCLogInfo("AF_PACKET mode using IPS and IDS mode");
         for (ldev = 0; ldev < nlive; ldev++) {
             char *live_dev = LiveGetDeviceName(ldev);
+            if (live_dev == NULL) {
+                SCLogError(SC_ERR_INVALID_VALUE, "Problem with config file");
+                return 0;
+            }
             if_root = ConfNodeLookupKeyValue(af_packet_node, "interface", live_dev);
             char *copymodestr = NULL;