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Diffstat (limited to 'src/lib/protocols/eaq.c')
-rw-r--r--src/lib/protocols/eaq.c59
1 files changed, 33 insertions, 26 deletions
diff --git a/src/lib/protocols/eaq.c b/src/lib/protocols/eaq.c
index 96ecacdde..3929b4ef6 100644
--- a/src/lib/protocols/eaq.c
+++ b/src/lib/protocols/eaq.c
@@ -24,12 +24,18 @@
http://www.brasilbandalarga.com.br
*/
+
+#include "ndpi_protocol_ids.h"
+
+#ifdef NDPI_PROTOCOL_EAQ
+
+#define NDPI_CURRENT_PROTO NDPI_PROTOCOL_EAQ
+
#include "ndpi_api.h"
#define EAQ_DEFAULT_PORT 6000
#define EAQ_DEFAULT_SIZE 16
-#ifdef NDPI_PROTOCOL_EAQ
static void ndpi_int_eaq_add_connection(struct ndpi_detection_module_struct *ndpi_struct,
struct ndpi_flow_struct *flow) {
ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_EAQ, NDPI_PROTOCOL_UNKNOWN);
@@ -40,33 +46,34 @@ void ndpi_search_eaq(struct ndpi_detection_module_struct *ndpi_struct, struct nd
struct ndpi_packet_struct *packet = &flow->packet;
u_int16_t sport = ntohs(packet->udp->source), dport = ntohs(packet->udp->dest);
- if((packet->payload_packet_len != EAQ_DEFAULT_SIZE)
- || ((sport != EAQ_DEFAULT_PORT) && (dport != EAQ_DEFAULT_PORT))) {
- exclude_eaq:
- NDPI_LOG(NDPI_PROTOCOL_EAQ, ndpi_struct, NDPI_LOG_DEBUG, "Exclude eaq.\n");
- NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_PROTOCOL_EAQ);
- return;
- }
-
- if(packet->udp != NULL) {
- u_int32_t seq = (packet->payload[0] * 1000) + (packet->payload[1] * 100) + (packet->payload[2] * 10) + packet->payload[3];
-
- if(flow->l4.udp.eaq_pkt_id == 0)
- flow->l4.udp.eaq_sequence = seq;
- else {
- if((flow->l4.udp.eaq_sequence == seq) || ((flow->l4.udp.eaq_sequence+1) == seq)) {
- ; /* Looks good */
- } else
- goto exclude_eaq;
- }
+ NDPI_LOG_DBG(ndpi_struct, "search eaq\n");
+
+ do {
+ if( (packet->payload_packet_len != EAQ_DEFAULT_SIZE) ||
+ ((sport != EAQ_DEFAULT_PORT) && (dport != EAQ_DEFAULT_PORT)) )
+ break;
+
+ if(packet->udp != NULL) {
+ u_int32_t seq = (packet->payload[0] * 1000) + (packet->payload[1] * 100) + (packet->payload[2] * 10) + packet->payload[3];
+
+ if(flow->l4.udp.eaq_pkt_id == 0)
+ flow->l4.udp.eaq_sequence = seq;
+ else {
+ if( (flow->l4.udp.eaq_sequence != seq) &&
+ ((flow->l4.udp.eaq_sequence+1) != seq)) break;
+ }
- if(++flow->l4.udp.eaq_pkt_id == 4) {
- /* We have collected enough packets so we assume it's EAQ */
- NDPI_LOG(NDPI_PROTOCOL_EAQ, ndpi_struct, NDPI_LOG_DEBUG, "found eaq.\n");
- ndpi_int_eaq_add_connection(ndpi_struct, flow);
+ if(++flow->l4.udp.eaq_pkt_id == 4) {
+ /* We have collected enough packets so we assume it's EAQ */
+ NDPI_LOG_INFO(ndpi_struct, "found eaq\n");
+ ndpi_int_eaq_add_connection(ndpi_struct, flow);
+ return;
+ }
}
- } else
- goto exclude_eaq;
+ } while(0);
+
+ NDPI_EXCLUDE_PROTO(ndpi_struct, flow);
+
}