From 10161448bc1b2ad98fd49356203d6a53f5c1abe9 Mon Sep 17 00:00:00 2001 From: Toni Date: Wed, 27 Apr 2022 17:22:53 +0200 Subject: Improved TLS application data detection. (#1532) Signed-off-by: lns --- src/lib/protocols/tls.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'src') diff --git a/src/lib/protocols/tls.c b/src/lib/protocols/tls.c index fbb21ef00..8324cb9ea 100644 --- a/src/lib/protocols/tls.c +++ b/src/lib/protocols/tls.c @@ -987,6 +987,12 @@ static int ndpi_search_tls_tcp(struct ndpi_detection_module_struct *ndpi_struct, if(block_len < 16384 /* Max TLS block size */) ndpi_looks_like_tls(ndpi_struct, flow); + if (packet->payload[1] == 0x03 && packet->payload[2] <= 4 && + block_len == (u_int32_t)packet->payload_packet_len - 5) + { + ndpi_int_tls_add_connection(ndpi_struct, flow, NDPI_PROTOCOL_TLS); + } + if(flow->l4.tcp.tls.certificate_processed) { if(flow->l4.tcp.tls.num_tls_blocks < ndpi_struct->num_tls_blocks_to_follow) flow->l4.tcp.tls.tls_application_blocks_len[flow->l4.tcp.tls.num_tls_blocks++] = -- cgit v1.2.3