From 1b98bec0abb61fb86180a13869434da8519bd261 Mon Sep 17 00:00:00 2001
From: Ivan Nardi <12729895+IvanNardi@users.noreply.github.com>
Date: Wed, 18 Jan 2023 18:18:36 +0100
Subject: LRU caches: add a generic (optional and configurable) expiration
 logic (#1855)

Two caches already implemented a similar mechanism: make it generic.
---
 src/lib/protocols/tls.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'src/lib/protocols/tls.c')

diff --git a/src/lib/protocols/tls.c b/src/lib/protocols/tls.c
index 49c465bae..299e59ecb 100644
--- a/src/lib/protocols/tls.c
+++ b/src/lib/protocols/tls.c
@@ -340,7 +340,8 @@ static void checkTLSSubprotocol(struct ndpi_detection_module_struct *ndpi_struct
       key = make_tls_cert_key(packet, is_from_client);
 
       if(ndpi_lru_find_cache(ndpi_struct->tls_cert_cache, key,
-			     &cached_proto, 0 /* Don't remove it as it can be used for other connections */)) {
+			     &cached_proto, 0 /* Don't remove it as it can be used for other connections */,
+			     ndpi_get_current_time(flow))) {
 	ndpi_protocol ret = { __get_master(ndpi_struct, flow), cached_proto, NDPI_PROTOCOL_UNKNOWN /* unused */, NDPI_PROTOCOL_CATEGORY_UNSPECIFIED, NULL};
 
 	ndpi_set_detected_protocol(ndpi_struct, flow, cached_proto, __get_master(ndpi_struct, flow), NDPI_CONFIDENCE_DPI_CACHE);
@@ -730,7 +731,7 @@ static void processCertificateElements(struct ndpi_detection_module_struct *ndpi
 	if(ndpi_struct->tls_cert_cache) {
 	  u_int32_t key = make_tls_cert_key(packet, 0 /* from the server */);
 
-	  ndpi_lru_add_to_cache(ndpi_struct->tls_cert_cache, key, proto_id);
+	  ndpi_lru_add_to_cache(ndpi_struct->tls_cert_cache, key, proto_id, ndpi_get_current_time(flow));
 	}
       }
     }
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