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Snort_AIPreproc
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Fixed a stupid memory error in outdb.c

This commit is contained in:
BlackLight 2010-11-20 20:32:13 +01:00
parent 30fe188bb8
commit fec0bbea96
5 changed files with 19 additions and 26 deletions
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4
correlation.c
View File

@ -211,13 +211,11 @@ __AI_correlated_alerts_to_json ()
encoded_pkt = NULL;
pkt_len = pkt_iterator->pkt->pcap_header->len + pkt_iterator->pkt->payload_size;
if ( !( encoded_pkt = (char*) malloc ( 4*pkt_len + 1 )))
if ( !( encoded_pkt = (char*) calloc ( 4*pkt_len + 1, sizeof ( char ))))
{
AI_fatal_err ( "Fatal dynamic memory allocation", __FILE__, __LINE__ );
}
memset ( encoded_pkt, 0, 4*pkt_len + 1 );
base64_encode (
(const char*) pkt_iterator->pkt->pkt_data,
pkt_len,

3
neural.c
View File

@ -290,6 +290,7 @@ AI_alert_neural_som_correlation ( const AI_snort_alert *a, const AI_snort_alert
t1.src_port = ntohs ( a->tcp_src_port );
t1.dst_port = ntohs ( a->tcp_dst_port );
t1.timestamp = a->timestamp;
t1.desc = a->desc;
t2.gid = b->gid;
t2.sid = b->sid;
@ -299,6 +300,8 @@ AI_alert_neural_som_correlation ( const AI_snort_alert *a, const AI_snort_alert
t2.src_port = ntohs ( b->tcp_src_port );
t2.dst_port = ntohs ( b->tcp_dst_port );
t2.timestamp = b->timestamp;
t2.desc = b->desc;
return __AI_som_alert_distance ( t1, t2 );
} /* ----- end of function AI_alert_neural_som_correlation ----- */

3
neural_cluster.c
View File

@ -104,8 +104,9 @@ __AI_neural_clusters_to_xml ( kmeans_t *km, AI_alerts_per_neuron *alerts_per_neu
inet_ntop ( AF_INET, &src_addr, src_ip, INET_ADDRSTRLEN );
inet_ntop ( AF_INET, &dst_addr, dst_ip, INET_ADDRSTRLEN );
fprintf ( fp, "\t\t<alert gid=\"%d\" sid=\"%d\" rev=\"%d\" src_ip=\"%s\" src_port=\"%d\" "
fprintf ( fp, "\t\t<alert desc=\"%s\" gid=\"%d\" sid=\"%d\" rev=\"%d\" src_ip=\"%s\" src_port=\"%d\" "
"dst_ip=\"%s\" dst_port=\"%d\" timestamp=\"%lu\" xcoord=\"%d\" ycoord=\"%d\"/>\n",
alert_iterator->alerts[k].desc,
alert_iterator->alerts[k].gid,
alert_iterator->alerts[k].sid,
alert_iterator->alerts[k].rev,

34
outdb.c
View File

@ -287,6 +287,7 @@ AI_store_alert_to_db_thread ( void *arg )
void*
AI_store_cluster_to_db_thread ( void *arg )
{
int i;
unsigned long cluster1 = 0,
cluster2 = 0,
latest_cluster_id = 0;
@ -342,34 +343,23 @@ AI_store_cluster_to_db_thread ( void *arg )
return (void*) 0;
}
if ( !( row = (DB_row) DB_fetch_row ( res )))
{
pthread_mutex_unlock ( &outdb_mutex );
pthread_exit ((void*) 0);
return (void*) 0;
}
new_cluster = true;
/* If no cluster exists containing at least of them, create it */
new_cluster = false;
if ( !row[0] && !row[1] )
for ( i=0; (row = (DB_row) DB_fetch_row ( res )); i++ )
{
new_cluster = true;
} else {
if ( row[0] )
new_cluster = false;
if ( i == 0 )
{
cluster1 = strtoul ( row[0], NULL, 10 );
} else if ( i == 1 ) {
cluster2 = strtoul ( row[0], NULL, 10 );
}
}
if ( row[1] )
{
cluster2 = strtoul ( row[1], NULL, 10 );
}
if ( cluster1 == 0 && cluster2 == 0 )
{
new_cluster = true;
}
if ( cluster1 == 0 && cluster2 == 0 )
{
new_cluster = true;
}
DB_free_result ( res );

1
spp_ai.h
View File

@ -474,6 +474,7 @@ typedef struct {
uint16_t src_port;
uint16_t dst_port;
time_t timestamp;
char* desc;
} AI_som_alert_tuple;
/*****************************************************************/
/** Key for the AI_alerts_per_neuron hash table */