diff options
Diffstat (limited to 'src/lib/protocols/ntp.c')
-rw-r--r-- | src/lib/protocols/ntp.c | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/src/lib/protocols/ntp.c b/src/lib/protocols/ntp.c index 6e355c9f8..3b8eb3d7d 100644 --- a/src/lib/protocols/ntp.c +++ b/src/lib/protocols/ntp.c @@ -22,10 +22,13 @@ * */ -#include "ndpi_protocols.h" +#include "ndpi_protocol_ids.h" #ifdef NDPI_PROTOCOL_NTP +#define NDPI_CURRENT_PROTO NDPI_PROTOCOL_NTP + +#include "ndpi_api.h" static void ndpi_int_ntp_add_connection(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow) @@ -37,31 +40,28 @@ void ndpi_search_ntp_udp(struct ndpi_detection_module_struct *ndpi_struct, struc { struct ndpi_packet_struct *packet = &flow->packet; - if (!(packet->udp->dest == htons(123) || packet->udp->source == htons(123))) - goto exclude_ntp; - - NDPI_LOG(NDPI_PROTOCOL_NTP, ndpi_struct, NDPI_LOG_DEBUG, "NTP port detected\n"); - - NDPI_LOG(NDPI_PROTOCOL_NTP, ndpi_struct, NDPI_LOG_DEBUG, "NTP length detected\n"); + NDPI_LOG_DBG(ndpi_struct, "search NTP\n"); + + if (packet->udp->dest == htons(123) || packet->udp->source == htons(123)) { + NDPI_LOG_DBG2(ndpi_struct, "NTP port and length detected\n"); - if ((((packet->payload[0] & 0x38) >> 3) <= 4)) { - NDPI_LOG(NDPI_PROTOCOL_NTP, ndpi_struct, NDPI_LOG_DEBUG, "detected NTP."); + if ((((packet->payload[0] & 0x38) >> 3) <= 4)) { - // 38 in binary representation is 00111000 - flow->protos.ntp.version = (packet->payload[0] & 0x38) >> 3; + // 38 in binary representation is 00111000 + flow->protos.ntp.version = (packet->payload[0] & 0x38) >> 3; - if (flow->protos.ntp.version == 2) { - flow->protos.ntp.request_code = packet->payload[3]; - } + if (flow->protos.ntp.version == 2) { + flow->protos.ntp.request_code = packet->payload[3]; + } - ndpi_int_ntp_add_connection(ndpi_struct, flow); - return; + NDPI_LOG_INFO(ndpi_struct, "found NTP\n"); + ndpi_int_ntp_add_connection(ndpi_struct, flow); + return; + } } - - exclude_ntp: - NDPI_LOG(NDPI_PROTOCOL_NTP, ndpi_struct, NDPI_LOG_DEBUG, "NTP excluded.\n"); - NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_PROTOCOL_NTP); + NDPI_EXCLUDE_PROTO(ndpi_struct, flow); + } |