ssl: Add white box tests for pre TLS-1.3 session cache

2 files changed, 106 insertions, 0 deletions

diff --git a/lib/ssl/test/Makefile b/lib/ssl/test/Makefile
index ea59bc9ffb..4e81a761f6 100644
--- a/lib/ssl/test/Makefile
+++ b/lib/ssl/test/Makefile
@@ -76,6 +76,7 @@ MODULES = \
 	ssl_pem_cache_SUITE \
 	ssl_session_SUITE \
 	ssl_session_cache_SUITE	\
+	ssl_session_cache_api_SUITE\	\
 	ssl_session_ticket_SUITE \
 	openssl_session_ticket_SUITE \
 	openssl_session_SUITE \
diff --git a/lib/ssl/test/ssl_session_cache_api_SUITE.erl b/lib/ssl/test/ssl_session_cache_api_SUITE.erl
new file mode 100644
index 0000000000..28ae9bd897
--- /dev/null
+++ b/lib/ssl/test/ssl_session_cache_api_SUITE.erl
@@ -0,0 +1,105 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2010-2020. All Rights Reserved.
+%%
+%% Licensed under the Apache License, Version 2.0 (the "License");
+%% you may not use this file except in compliance with the License.
+%% You may obtain a copy of the License at
+%%
+%%     http://www.apache.org/licenses/LICENSE-2.0
+%%
+%% Unless required by applicable law or agreed to in writing, software
+%% distributed under the License is distributed on an "AS IS" BASIS,
+%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+%% See the License for the specific language governing permissions and
+%% limitations under the License.
+%%
+%% %CopyrightEnd%
+%%
+
+%%
+
+-module(ssl_session_cache_api_SUITE).
+
+-behaviour(ct_suite).
+
+-include_lib("common_test/include/ct.hrl").
+-include("tls_handshake.hrl").
+
+%% Callback functions
+-export([all/0]).
+
+%% Testcases
+-export([server_cb/0,
+         server_cb/1,
+         client_cb/0,
+         client_cb/1
+        ]).
+
+%%--------------------------------------------------------------------
+%% Common Test interface functions -----------------------------------
+%%--------------------------------------------------------------------
+all() ->
+    [server_cb,
+     client_cb].
+%%--------------------------------------------------------------------
+%% Test Cases --------------------------------------------------------
+%%--------------------------------------------------------------------
+server_cb() ->
+    [{doc, "Test ssl_session_cache_api server callback implementation"
+      "Note that default implementation is treated special to avoid"
+      "an extra process to handle the functional db structure used"
+      "The callback is provided for the main purpose of having a"
+      "session table that may survive node restart an assumes
+      a db reference that is not updated"
+     }].
+
+server_cb(Config) when is_list(Config) ->
+    Cb = ssl_server_session_cache_db,
+    Db0 = Cb:init([]),
+    Id0 = crypto:strong_rand_bytes(32),
+    DummySession0 = #session{session_id = Id0},
+    0 = Cb:size(Db0),
+
+    Db1 = Cb:update(Db0, Id0, DummySession0),
+    1 = Cb:size(Db1),
+
+    Id1 = crypto:strong_rand_bytes(32),
+    DummySession1 = #session{session_id = Id1},
+    Db2 = Cb:update(Db1, Id1, DummySession1),
+    2 = Cb:size(Db2),
+
+    DummySession0 = Cb:lookup(Db2, Id0),
+    DummySession1 = Cb:lookup(Db2, Id1),
+
+    Db3 = Cb:delete(Db2, Id1),
+    1 = Cb:size(Db3),
+    undefined = Cb:lookup(Db3, crypto:strong_rand_bytes(32)),
+    Cb:terminate(Db3).
+
+client_cb() ->
+    [{doc, "Test ssl_session_cache_api client callback implementation"}].
+
+client_cb(Config) when is_list(Config) ->
+    Cb = ssl_session_cache,
+    Db = Cb:init([]),
+    Id0 = crypto:strong_rand_bytes(32),
+    DummySession0 = #session{session_id = Id0},
+    0 = Cb:size(Db),
+
+    Cb:update(Db, Id0, DummySession0),
+    1 = Cb:size(Db),
+
+    Id1 = crypto:strong_rand_bytes(32),
+    DummySession1 = #session{session_id = Id1},
+    Cb:update(Db, Id1, DummySession1),
+    2 = Cb:size(Db),
+
+    DummySession0 = Cb:lookup(Db, Id0),
+    DummySession1 = Cb:lookup(Db, Id1),
+    undefined = Cb:lookup(Db, crypto:strong_rand_bytes(32)),
+
+    Cb:delete(Db, Id1),
+    1 = Cb:size(Db),
+    Cb:terminate(Db).