From c809e7c0691a77e84036df78067e482700263c71 Mon Sep 17 00:00:00 2001 From: Vladimir Gavrilov <105977161+0xA50C1A1@users.noreply.github.com> Date: Sun, 10 Dec 2023 14:10:50 +0300 Subject: Replace complicated TPKT header validation with an helper function (#2201) * Replace complicated TPKT header validation with an helper function * Move tpkt_verify_hdr function definition to ndpi_utils.c --- src/lib/protocols/iso9506-1-mms.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) (limited to 'src/lib/protocols/iso9506-1-mms.c') diff --git a/src/lib/protocols/iso9506-1-mms.c b/src/lib/protocols/iso9506-1-mms.c index 30f74f733..e435685a1 100644 --- a/src/lib/protocols/iso9506-1-mms.c +++ b/src/lib/protocols/iso9506-1-mms.c @@ -47,9 +47,7 @@ static void ndpi_search_iso9506_1_mms(struct ndpi_detection_module_struct *ndpi_ NDPI_LOG_DBG(ndpi_struct, "search ISO 9506-1 MMS\n"); - if ((packet->payload_packet_len > 60) && (packet->payload[0] == 3) && - (packet->payload[1] == 0) && - (get_u_int16_t(packet->payload, 2) == htons(packet->payload_packet_len))) + if ((packet->payload_packet_len > 60) && tpkt_verify_hdr(packet)) { if (current_pkt_from_client_to_server(ndpi_struct, flow)) { /* Check COTP and ISO 8327-1 headers */ -- cgit v1.2.3