deinitialize the TLS cache prior to fork

src/main.c

@@ -305,6 +305,8 @@ void clear_lists(main_server_st *s)
 			close(ctmp->fd);
 		list_del(&ctmp->list);
 	}
+	
+	tls_cache_deinit(s->tls_db);
 }
 
 static void kill_children(struct proc_list_st* clist)

src/tlslib.c

@@ -129,3 +129,23 @@ tls_cache_db_st * db;
 
 	*_db = db;
 }
+
+void tls_cache_deinit(tls_cache_db_st* db)
+{
+tls_cache_st* cache;
+int bkt;
+struct hlist_node *pos, *tmp;
+
+	hash_for_each_safe(db->entry, bkt, pos, tmp, cache, list) {
+		if (cache->session_data_size > 0) {
+	          	memset(cache->session_data, 0, cache->session_data_size);
+	          	cache->session_data_size = 0;
+	          	cache->session_id_size = 0;
+		}
+          	hash_del(&cache->list);
+          	free(cache);
+		db->entries--;
+        }
+
+        return;
+}

src/tlslib.h

@@ -59,5 +59,6 @@ typedef struct
 } tls_cache_db_st;
 
 void tls_cache_init(struct cfg_st* config, tls_cache_db_st** db);
+void tls_cache_deinit(tls_cache_db_st* db);
 
 #endif

src/tun.h

@@ -37,6 +37,18 @@ inline static void tun_st_init(struct tun_st* ts)
 	INIT_LIST_HEAD(&ts->lease_list.list);
 }
 
+inline static void tun_st_deinit(struct tun_st* ts)
+{
+	struct list_head *cq;
+	struct list_head *pos;
+	struct lease_st *ltmp;
+
+	list_for_each_safe(pos, cq, &ts->lease_list.list) {
+		ltmp = list_entry(pos, struct lease_st, list);
+		list_del(&ltmp->list);
+	}
+}
+
 int open_tun(const struct cfg_st *config, struct tun_st* tun, struct lease_st **lease);
 
 #endif