diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/lib/protocols/someip.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/src/lib/protocols/someip.c b/src/lib/protocols/someip.c index 714648417..93dfa50ae 100644 --- a/src/lib/protocols/someip.c +++ b/src/lib/protocols/someip.c @@ -90,26 +90,28 @@ static void ndpi_int_someip_add_connection (struct ndpi_detection_module_struct void ndpi_search_someip (struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow) { - + const struct ndpi_packet_struct *packet = &flow->packet; + + if (packet->payload_packet_len < 16) { + NDPI_LOG(NDPI_PROTOCOL_SOMEIP, ndpi_struct, NDPI_LOG_DEBUG, + "Excluding SOME/IP .. mandatory header not found (not enough data for all fields)\n"); + NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_PROTOCOL_SOMEIP); + return; + } + //####Maybe check carrier protocols?#### NDPI_LOG(NDPI_PROTOCOL_SOMEIP, ndpi_struct, NDPI_LOG_DEBUG, "SOME/IP search called...\n"); - const struct ndpi_packet_struct *packet = &flow->packet; if (packet->detected_protocol_stack[0] != NDPI_PROTOCOL_UNKNOWN) { return; } - + //we extract the Message ID and Request ID and check for special cases later u_int32_t message_id = ntohl(*((u_int32_t *)&packet->payload[0])); u_int32_t request_id = ntohl(*((u_int32_t *)&packet->payload[8])); NDPI_LOG(NDPI_PROTOCOL_SOMEIP, ndpi_struct, NDPI_LOG_DEBUG, "====>>>> SOME/IP Message ID: %08x [len: %u]\n", message_id, packet->payload_packet_len); - if (packet->payload_packet_len < 16) { - NDPI_LOG(NDPI_PROTOCOL_SOMEIP, ndpi_struct, NDPI_LOG_DEBUG, "Excluding SOME/IP .. mandatory header not found (not enough data for all fields)\n"); - NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_PROTOCOL_SOMEIP); - return; - } //####Maximum packet size in SOMEIP depends on the carrier protocol, and I'm not certain how well enforced it is, so let's leave that for round 2#### |