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#include "ndpi_protocol_ids.h"
#define NDPI_CURRENT_PROTO NDPI_PROTOCOL_BJNP
#include "ndpi_api.h"
static void ndpi_int_bjnp_add_connection(struct ndpi_detection_module_struct *ndpi_struct,
struct ndpi_flow_struct *flow,
u_int8_t due_to_correlation) {
ndpi_set_detected_protocol(ndpi_struct, flow,
NDPI_PROTOCOL_BJNP, NDPI_PROTOCOL_UNKNOWN);
}
static void ndpi_check_bjnp(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow)
{
struct ndpi_packet_struct *packet = &ndpi_struct->packet;
u_int32_t payload_len = packet->payload_packet_len;
if(packet->udp != NULL) {
if(payload_len > 4) {
if((memcmp((const char *)packet->payload, "BJNP", 4) == 0)
|| (memcmp((const char *)packet->payload, "BNJB", 4) == 0)
|| (memcmp((const char *)packet->payload, "BJNB", 4) == 0)
|| (memcmp((const char *)packet->payload, "MFNP", 4) == 0)
) {
NDPI_LOG_INFO(ndpi_struct, "found bjnp\n");
ndpi_int_bjnp_add_connection(ndpi_struct, flow, 0);
return;
}
}
}
NDPI_EXCLUDE_PROTO(ndpi_struct, flow);
}
void ndpi_search_bjnp(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow)
{
NDPI_LOG_DBG(ndpi_struct, "search bjnp\n");
/* skip marked packets */
if (flow->detected_protocol_stack[0] != NDPI_PROTOCOL_BJNP) {
ndpi_check_bjnp(ndpi_struct, flow);
}
}
void init_bjnp_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id, NDPI_PROTOCOL_BITMASK *detection_bitmask)
{
ndpi_set_bitmask_protocol_detection("BJNP", ndpi_struct, detection_bitmask, *id,
NDPI_PROTOCOL_BJNP,
ndpi_search_bjnp,
NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_UDP_WITH_PAYLOAD,
SAVE_DETECTION_BITMASK_AS_UNKNOWN,
ADD_TO_DETECTION_BITMASK);
*id += 1;
}
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