--- luaDetectorApi.c.orig	2014-03-09 18:35:09.650653721 -0700
+++ luaDetectorApi.c	2014-03-19 18:23:49.369865903 -0700
@@ -106,7 +106,7 @@
 #ifdef LUA_DETECTOR_DEBUG
         _dpd.debugMsg(DEBUG_LOG,"DetectorUserData %p: allocated\n\n",bar);
 #endif
-      bzero(bar, sizeof(*bar));
+      memset(bar, 0, sizeof(*bar)); /* bzero() deprecated, replaced with memset() */
 
       if ((bar->pDetector = (Detector *)calloc(1, sizeof(Detector))) == NULL)
       {
@@ -2069,6 +2069,11 @@
         return 0;
     }
     hostPattern = (u_int8_t *)strdup(tmpString);
+    if (!hostPattern)
+    {
+	_dpd.errMsg( "Invalue host pattern string.");
+	return 0;
+    }
 
     /* Verify that path pattern is a valid string */
     size_t pathPatternSize = 0;
@@ -2081,6 +2086,12 @@
         return 0;
     }
     pathPattern = (u_int8_t *)strdup(tmpString);
+    if (!pathPattern)
+    {
+	_dpd.errMsg( "Invalid path pattern string.");
+	free(hostPattern);
+	return 0;
+    }
 
     /* Verify that scheme pattern is a valid string */
     size_t schemePatternSize;
@@ -2094,6 +2105,13 @@
         return 0;
     }
     schemePattern = (u_int8_t*) strdup(tmpString);
+    if (!schemePattern)
+    {
+	_dpd.errMsg ( "Invalid scheme pattern string,");
+	free(pathPattern);
+	free(hostPattern);
+	return 0;
+    }
 
     /* Verify that query pattern is a valid string */
     size_t queryPatternSize;
@@ -2102,6 +2120,13 @@
     if(tmpString  && queryPatternSize)
     {
         queryPattern = (u_int8_t*) strdup(tmpString);
+	if (!queryPattern)
+	{
+	    _dpd.errMsg( "Invalid query pattern string.");
+	    free(pathPattern);
+	    free(hostPattern);
+	    return 0;
+	}
     }
 
     u_int32_t appId           = lua_tointeger(L, index++);
@@ -2452,6 +2477,11 @@
         return 0;
     }
     hostPattern = (u_int8_t *)strdup(tmpString);
+    if (!hostPattern)
+    {
+	_dpd.errMsg( "Inavlue host pattern string.");
+	return 0;
+    }
 
     /* Verify that path pattern is a valid string */
     size_t pathPatternSize = 0;
@@ -2464,6 +2494,12 @@
         return 0;
     }
     pathPattern = (u_int8_t *)strdup(tmpString);
+    if (!pathPattern)
+    {
+	_dpd.errMsg( "Inavlid path pattern string.");
+	free(hostPattern);
+	return 0;
+    }
 
     /* Verify that scheme pattern is a valid string */
     size_t schemePatternSize;
@@ -2477,6 +2513,13 @@
         return 0;
     }
     schemePattern = (u_int8_t*) strdup(tmpString);
+    if (!schemePattern)
+    {
+	_dpd.errMsg ("Invalid scheme pattern string.");
+	free(pathPattern);
+	free(hostPattern);
+	return 0;
+    }
 
     /* Allocate memory for data structures */
     DetectorAppUrlPattern *pattern = malloc(sizeof(DetectorAppUrlPattern));