Data Structures | Enumerations | Functions | Variables

correlation.c File Reference

#include "spp_ai.h"
#include <unistd.h>
#include <sys/stat.h>
#include <pthread.h>
#include <libxml/xmlreader.h>

Data Structures

struct  AI_alert_correlation

Enumerations

enum  {
  inHyperAlert, inSnortIdTag, inPreTag, inPostTag,
  TAG_NUM
}

Functions

double _AI_correlation_coefficient (AI_snort_alert *a, AI_snort_alert *b)
 Compute the correlation coefficient between two alerts, as INTERSECTION(pre(B), post(A) / UNION(pre(B), post(A)).
void _AI_macro_subst (AI_snort_alert **alert)
 Substitute the macros in hyperalert pre-conditions and post-conditions with their associated values.
PRIVATE AI_hyperalert_info_AI_hyperalert_from_XML (AI_hyperalert_key key)
 Parse info about a hyperalert from a correlation XML file, if it exists.
void * AI_alert_correlation_thread (void *arg)
 Thread for correlating clustered alerts.

Variables

PRIVATE AI_hyperalert_infohyperalerts = NULL
PRIVATE AI_configconf = NULL
PRIVATE AI_snort_alertalerts = NULL
PRIVATE AI_alert_correlationcorrelation_table = NULL
PRIVATE BOOL lock_flag = false
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