From 7e8e243e68bc6bc4d979e03887d57d75fd36f00b Mon Sep 17 00:00:00 2001 From: Campus Date: Mon, 3 Oct 2016 14:36:51 +0200 Subject: fix check for issue https://github.com/ntop/nDPI/issues/272 --- src/lib/protocols/bgp.c | 31 +++++++++++++++---------------- 1 file changed, 15 insertions(+), 16 deletions(-) (limited to 'src/lib/protocols/bgp.c') diff --git a/src/lib/protocols/bgp.c b/src/lib/protocols/bgp.c index e72fdee57..0ec6fa59c 100644 --- a/src/lib/protocols/bgp.c +++ b/src/lib/protocols/bgp.c @@ -1,8 +1,7 @@ /* * bgp.c * - * Copyright (C) 2009-2011 by ipoque GmbH - * Copyright (C) 2011-15 - ntop.org + * Copyright (C) 2016 - ntop.org * * This file is part of nDPI, an open source deep packet inspection * library based on the OpenDPI and PACE technology by ipoque GmbH @@ -21,9 +20,8 @@ * along with nDPI. If not, see . * */ - - #include "ndpi_protocols.h" + #ifdef NDPI_PROTOCOL_BGP @@ -38,19 +36,20 @@ void ndpi_search_bgp(struct ndpi_detection_module_struct *ndpi_struct, struct nd struct ndpi_packet_struct *packet = &flow->packet; u_int16_t bgp_port = htons(179); - if(packet->tcp - && (packet->payload_packet_len > 18) - && (packet->payload[18] < 5) - && ((packet->tcp->dest == bgp_port) || (packet->tcp->source == bgp_port)) - && (get_u_int64_t(packet->payload, 0) == 0xffffffffffffffffULL) - && (get_u_int64_t(packet->payload, 8) == 0xffffffffffffffffULL) - && (ntohs(get_u_int16_t(packet->payload, 16)) <= packet->payload_packet_len) - ) { - NDPI_LOG(NDPI_PROTOCOL_BGP, ndpi_struct, NDPI_LOG_DEBUG, "BGP detected.\n"); - ndpi_int_bgp_add_connection(ndpi_struct, flow); - return; + if(packet->tcp) { + if(packet->payload_packet_len > 18 + && packet->payload[18] < 5 + && ((packet->tcp->dest == bgp_port) || (packet->tcp->source == bgp_port)) + && (get_u_int64_t(packet->payload, 0) == 0xffffffffffffffffULL) + && (get_u_int64_t(packet->payload, 8) == 0xffffffffffffffffULL) + && (ntohs(get_u_int16_t(packet->payload, 16)) <= packet->payload_packet_len)) { + + NDPI_LOG(NDPI_PROTOCOL_BGP, ndpi_struct, NDPI_LOG_DEBUG, "BGP detected.\n"); + ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_BGP, NDPI_PROTOCOL_UNKNOWN); + return; + } } - + /* exclude BGP */ NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_PROTOCOL_BGP); } -- cgit v1.2.3