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-rw-r--r--lib/ssl/doc/src/ssl.xml16
-rw-r--r--lib/ssl/doc/src/ssl_app.xml13
-rw-r--r--lib/ssl/src/ssl_manager.erl96
-rw-r--r--lib/ssl/src/ssl_pkix_db.erl33
-rw-r--r--lib/ssl/test/Makefile3
-rw-r--r--lib/ssl/test/ssl_basic_SUITE.erl7
-rw-r--r--lib/ssl/test/ssl_pem_cache_SUITE.erl127
7 files changed, 243 insertions, 52 deletions
diff --git a/lib/ssl/doc/src/ssl.xml b/lib/ssl/doc/src/ssl.xml
index 39b9b70579..249fee5760 100644
--- a/lib/ssl/doc/src/ssl.xml
+++ b/lib/ssl/doc/src/ssl.xml
@@ -163,7 +163,7 @@
is supplied it will override the certfile option.</item>
<tag>{certfile, path()}</tag>
- <item>Path to a file containing the user's certificate.</item>
+ <item>Path to a file containing the user's PEM encoded certificate.</item>
<tag>{key, {'RSAPrivateKey'| 'DSAPrivateKey' | 'ECPrivateKey' |'PrivateKeyInfo', der_encoded()}}</tag>
<item> The DER encoded users private key. If this option
@@ -550,7 +550,19 @@ fun(srp, Username :: string(), UserState :: term()) ->
</p>
</desc>
</func>
-
+
+ <func>
+ <name>clear_pem_cache() -> ok </name>
+ <fsummary> Clears the pem cache</fsummary>
+
+ <desc><p>PEM files, used by ssl API-functions, are cached. The
+ cache is regularly checked to see if any cache entries should be
+ invalidated, however this function provides a way to
+ unconditionally clear the whole cache.
+ </p>
+ </desc>
+ </func>
+
<func>
<name>connect(Socket, SslOptions) -> </name>
<name>connect(Socket, SslOptions, Timeout) -> {ok, SslSocket}
diff --git a/lib/ssl/doc/src/ssl_app.xml b/lib/ssl/doc/src/ssl_app.xml
index 43cb3934f7..f1377cabda 100644
--- a/lib/ssl/doc/src/ssl_app.xml
+++ b/lib/ssl/doc/src/ssl_app.xml
@@ -4,7 +4,7 @@
<appref>
<header>
<copyright>
- <year>1999</year><year>2013</year>
+ <year>1999</year><year>2015</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
@@ -82,7 +82,16 @@
callback module, defaults to [].
</p>
</item>
-
+
+ <tag><c><![CDATA[ssl_pem_cache_clean = integer() <optional>]]></c></tag>
+ <item>
+ <p>
+ Number of milliseconds between PEM cache validations.
+ </p>
+ <seealso
+ marker="ssl#clear_pem_cache-0">ssl:clear_pem_cache/0</seealso>
+
+ </item>
</taglist>
</section>
diff --git a/lib/ssl/src/ssl_manager.erl b/lib/ssl/src/ssl_manager.erl
index d6e5064c39..692938cf3f 100644
--- a/lib/ssl/src/ssl_manager.erl
+++ b/lib/ssl/src/ssl_manager.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2007-2013. All Rights Reserved.
+%% Copyright Ericsson AB 2007-2015. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -30,10 +30,10 @@
lookup_trusted_cert/4,
new_session_id/1, clean_cert_db/2,
register_session/2, register_session/3, invalidate_session/2,
- invalidate_session/3, clear_pem_cache/0, manager_name/1]).
+ invalidate_session/3, invalidate_pem/1, clear_pem_cache/0, manager_name/1]).
% Spawn export
--export([init_session_validator/1]).
+-export([init_session_validator/1, init_pem_cache_validator/1]).
%% gen_server callbacks
-export([init/1, handle_call/3, handle_cast/2, handle_info/2,
@@ -49,7 +49,9 @@
session_lifetime,
certificate_db,
session_validation_timer,
- last_delay_timer = {undefined, undefined}%% Keep for testing purposes
+ last_delay_timer = {undefined, undefined},%% Keep for testing purposes
+ last_pem_check,
+ clear_pem_cache
}).
-define('24H_in_msec', 86400000).
@@ -117,14 +119,13 @@ connection_init(Trustedcerts, Role) ->
%% Description: Cache a pem file and return its content.
%%--------------------------------------------------------------------
cache_pem_file(File, DbHandle) ->
- MD5 = crypto:hash(md5, File),
- case ssl_pkix_db:lookup_cached_pem(DbHandle, MD5) of
+ case ssl_pkix_db:lookup_cached_pem(DbHandle, File) of
[{Content,_}] ->
{ok, Content};
[Content] ->
{ok, Content};
undefined ->
- call({cache_pem, {MD5, File}})
+ call({cache_pem, File})
end.
%%--------------------------------------------------------------------
@@ -191,6 +192,11 @@ invalidate_session(Host, Port, Session) ->
invalidate_session(Port, Session) ->
cast({invalidate_session, Port, Session}).
+
+-spec invalidate_pem(File::binary()) -> ok.
+invalidate_pem(File) ->
+ cast({invalidate_pem, File}).
+
%%====================================================================
%% gen_server callbacks
%%====================================================================
@@ -212,12 +218,16 @@ init([Name, Opts]) ->
SessionCache = CacheCb:init(proplists:get_value(session_cb_init_args, Opts, [])),
Timer = erlang:send_after(SessionLifeTime * 1000 + 5000,
self(), validate_sessions),
- erlang:send_after(?CLEAR_PEM_CACHE, self(), clear_pem_cache),
+ Interval = pem_check_interval(),
+ erlang:send_after(Interval, self(), clear_pem_cache),
{ok, #state{certificate_db = CertDb,
session_cache = SessionCache,
session_cache_cb = CacheCb,
session_lifetime = SessionLifeTime,
- session_validation_timer = Timer}}.
+ session_validation_timer = Timer,
+ last_pem_check = erlang:timestamp(),
+ clear_pem_cache = Interval
+ }}.
%%--------------------------------------------------------------------
-spec handle_call(msg(), from(), #state{}) -> {reply, reply(), #state{}}.
@@ -256,7 +266,7 @@ handle_call({{new_session_id,Port}, _},
{reply, Id, State};
-handle_call({{cache_pem, File}, _Pid}, _,
+handle_call({{cache_pem,File}, _Pid}, _,
#state{certificate_db = Db} = State) ->
try ssl_pkix_db:cache_pem_file(File, Db) of
Result ->
@@ -303,7 +313,12 @@ handle_cast({invalidate_session, Host, Port,
handle_cast({invalidate_session, Port, #session{session_id = ID} = Session},
#state{session_cache = Cache,
session_cache_cb = CacheCb} = State) ->
- invalidate_session(Cache, CacheCb, {Port, ID}, Session, State).
+ invalidate_session(Cache, CacheCb, {Port, ID}, Session, State);
+
+handle_cast({invalidate_pem, File},
+ #state{certificate_db = [_, _, PemCache]} = State) ->
+ ssl_pkix_db:remove(File, PemCache),
+ {noreply, State}.
%%--------------------------------------------------------------------
-spec handle_info(msg(), #state{}) -> {noreply, #state{}}.
@@ -325,18 +340,16 @@ handle_info(validate_sessions, #state{session_cache_cb = CacheCb,
handle_info({delayed_clean_session, Key}, #state{session_cache = Cache,
session_cache_cb = CacheCb
} = State) ->
- CacheCb:delete(Cache, Key),
+ CacheCb:remove(Cache, Key),
{noreply, State};
-handle_info(clear_pem_cache, #state{certificate_db = [_,_,PemChace]} = State) ->
- case ssl_pkix_db:db_size(PemChace) of
- N when N < ?NOT_TO_BIG ->
- ok;
- _ ->
- ssl_pkix_db:clear(PemChace)
- end,
- erlang:send_after(?CLEAR_PEM_CACHE, self(), clear_pem_cache),
- {noreply, State};
+handle_info(clear_pem_cache, #state{certificate_db = [_,_,PemChace],
+ clear_pem_cache = Interval,
+ last_pem_check = CheckPoint} = State) ->
+ NewCheckPoint = erlang:timestamp(),
+ start_pem_cache_validator(PemChace, CheckPoint),
+ erlang:send_after(Interval, self(), clear_pem_cache),
+ {noreply, State#state{last_pem_check = NewCheckPoint}};
handle_info({clean_cert_db, Ref, File},
@@ -482,10 +495,9 @@ new_id(Port, Tries, Cache, CacheCb) ->
clean_cert_db(Ref, CertDb, RefDb, PemCache, File) ->
case ssl_pkix_db:ref_count(Ref, RefDb, 0) of
0 ->
- MD5 = crypto:hash(md5, File),
- case ssl_pkix_db:lookup_cached_pem(PemCache, MD5) of
+ case ssl_pkix_db:lookup_cached_pem(PemCache, File) of
[{Content, Ref}] ->
- ssl_pkix_db:insert(MD5, Content, PemCache);
+ ssl_pkix_db:insert(File, Content, PemCache);
_ ->
ok
end,
@@ -494,3 +506,39 @@ clean_cert_db(Ref, CertDb, RefDb, PemCache, File) ->
_ ->
ok
end.
+
+start_pem_cache_validator(PemCache, CheckPoint) ->
+ spawn_link(?MODULE, init_pem_cache_validator,
+ [[get(ssl_manager), PemCache, CheckPoint]]).
+
+init_pem_cache_validator([SslManagerName, PemCache, CheckPoint]) ->
+ put(ssl_manager, SslManagerName),
+ ssl_pkix_db:foldl(fun pem_cache_validate/2,
+ CheckPoint, PemCache).
+
+pem_cache_validate({File, _}, CheckPoint) ->
+ case file:read_file_info(File, []) of
+ {ok, #file_info{mtime = Time}} ->
+ case is_before_checkpoint(Time, CheckPoint) of
+ true ->
+ ok;
+ false ->
+ invalidate_pem(File)
+ end;
+ _ ->
+ invalidate_pem(File)
+ end,
+ CheckPoint.
+
+pem_check_interval() ->
+ case application:get_env(ssl, ssl_pem_cache_clean) of
+ {ok, Interval} when is_integer(Interval) ->
+ Interval;
+ _ ->
+ ?CLEAR_PEM_CACHE
+ end.
+
+is_before_checkpoint(Time, CheckPoint) ->
+ calendar:datetime_to_gregorian_seconds(calendar:now_to_datetime(CheckPoint)) -
+ calendar:datetime_to_gregorian_seconds(Time) > 0.
+
diff --git a/lib/ssl/src/ssl_pkix_db.erl b/lib/ssl/src/ssl_pkix_db.erl
index e59aba0618..8531445ba4 100644
--- a/lib/ssl/src/ssl_pkix_db.erl
+++ b/lib/ssl/src/ssl_pkix_db.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2007-2013. All Rights Reserved.
+%% Copyright Ericsson AB 2007-2015. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -81,10 +81,10 @@ lookup_trusted_cert(DbHandle, Ref, SerialNumber, Issuer) ->
{ok, Certs}
end.
-lookup_cached_pem([_, _, PemChache], MD5) ->
- lookup_cached_pem(PemChache, MD5);
-lookup_cached_pem(PemChache, MD5) ->
- lookup(MD5, PemChache).
+lookup_cached_pem([_, _, PemChache], File) ->
+ lookup_cached_pem(PemChache, File);
+lookup_cached_pem(PemChache, File) ->
+ lookup(File, PemChache).
%%--------------------------------------------------------------------
-spec add_trusted_certs(pid(), {erlang:timestamp(), string()} |
@@ -100,36 +100,35 @@ add_trusted_certs(_Pid, {der, DerList}, [CerDb, _,_]) ->
{ok, NewRef};
add_trusted_certs(_Pid, File, [CertsDb, RefDb, PemChache] = Db) ->
- MD5 = crypto:hash(md5, File),
- case lookup_cached_pem(Db, MD5) of
+ case lookup_cached_pem(Db, File) of
[{_Content, Ref}] ->
ref_count(Ref, RefDb, 1),
{ok, Ref};
[Content] ->
Ref = make_ref(),
update_counter(Ref, 1, RefDb),
- insert(MD5, {Content, Ref}, PemChache),
+ insert(File, {Content, Ref}, PemChache),
add_certs_from_pem(Content, Ref, CertsDb),
{ok, Ref};
undefined ->
- new_trusted_cert_entry({MD5, File}, Db)
+ new_trusted_cert_entry(File, Db)
end.
%%--------------------------------------------------------------------
%%
%% Description: Cache file as binary in DB
%%--------------------------------------------------------------------
--spec cache_pem_file({binary(), binary()}, [db_handle()]) -> {ok, term()}.
-cache_pem_file({MD5, File}, [_CertsDb, _RefDb, PemChache]) ->
+-spec cache_pem_file(binary(), [db_handle()]) -> {ok, term()}.
+cache_pem_file(File, [_CertsDb, _RefDb, PemChache]) ->
{ok, PemBin} = file:read_file(File),
Content = public_key:pem_decode(PemBin),
- insert(MD5, Content, PemChache),
+ insert(File, Content, PemChache),
{ok, Content}.
--spec cache_pem_file(reference(), {binary(), binary()}, [db_handle()]) -> {ok, term()}.
-cache_pem_file(Ref, {MD5, File}, [_CertsDb, _RefDb, PemChache]) ->
+-spec cache_pem_file(reference(), binary(), [db_handle()]) -> {ok, term()}.
+cache_pem_file(Ref, File, [_CertsDb, _RefDb, PemChache]) ->
{ok, PemBin} = file:read_file(File),
Content = public_key:pem_decode(PemBin),
- insert(MD5, {Content, Ref}, PemChache),
+ insert(File, {Content, Ref}, PemChache),
{ok, Content}.
%%--------------------------------------------------------------------
@@ -245,9 +244,9 @@ add_certs(Cert, Ref, CertsDb) ->
error_logger:info_report(Report)
end.
-new_trusted_cert_entry(FileRef, [CertsDb, RefDb, _] = Db) ->
+new_trusted_cert_entry(File, [CertsDb, RefDb, _] = Db) ->
Ref = make_ref(),
update_counter(Ref, 1, RefDb),
- {ok, Content} = cache_pem_file(Ref, FileRef, Db),
+ {ok, Content} = cache_pem_file(Ref, File, Db),
add_certs_from_pem(Content, Ref, CertsDb),
{ok, Ref}.
diff --git a/lib/ssl/test/Makefile b/lib/ssl/test/Makefile
index 2f8ff6f04e..0d241707d9 100644
--- a/lib/ssl/test/Makefile
+++ b/lib/ssl/test/Makefile
@@ -1,7 +1,7 @@
#
# %CopyrightBegin%
#
-# Copyright Ericsson AB 1999-2013. All Rights Reserved.
+# Copyright Ericsson AB 1999-2015. All Rights Reserved.
#
# The contents of this file are subject to the Erlang Public License,
# Version 1.1, (the "License"); you may not use this file except in
@@ -46,6 +46,7 @@ MODULES = \
ssl_npn_handshake_SUITE \
ssl_packet_SUITE \
ssl_payload_SUITE \
+ ssl_pem_cache_SUITE \
ssl_session_cache_SUITE \
ssl_to_openssl_SUITE \
ssl_ECC_SUITE \
diff --git a/lib/ssl/test/ssl_basic_SUITE.erl b/lib/ssl/test/ssl_basic_SUITE.erl
index 1da4e88077..2d4d2452e3 100644
--- a/lib/ssl/test/ssl_basic_SUITE.erl
+++ b/lib/ssl/test/ssl_basic_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2007-2014. All Rights Reserved.
+%% Copyright Ericsson AB 2007-2015. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -256,11 +256,6 @@ init_per_testcase(Case, Config) when Case == unordered_protocol_versions_client
_ ->
{skip, "TLS 1.2 need but not supported on this platform"}
end;
-init_per_testcase(no_authority_key_identifier, Config) ->
- %% Clear cach so that root cert will not
- %% be found.
- ssl:clear_pem_cache(),
- Config;
init_per_testcase(protocol_versions, Config) ->
ssl:stop(),
diff --git a/lib/ssl/test/ssl_pem_cache_SUITE.erl b/lib/ssl/test/ssl_pem_cache_SUITE.erl
new file mode 100644
index 0000000000..36c2a17a50
--- /dev/null
+++ b/lib/ssl/test/ssl_pem_cache_SUITE.erl
@@ -0,0 +1,127 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2015-2015. All Rights Reserved.
+%%
+%% The contents of this file are subject to the Erlang Public License,
+%% Version 1.1, (the "License"); you may not use this file except in
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved online at http://www.erlang.org/.2
+%%
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%%
+%% %CopyrightEnd%
+%%
+
+%%
+
+-module(ssl_pem_cache_SUITE).
+
+%% Note: This directive should only be used in test suites.
+-compile(export_all).
+
+-include_lib("common_test/include/ct.hrl").
+-include_lib("kernel/include/file.hrl").
+
+-define(CLEANUP_INTERVAL, 5000).
+
+%%--------------------------------------------------------------------
+%% Common Test interface functions -----------------------------------
+%%--------------------------------------------------------------------
+all() ->
+ [pem_cleanup].
+
+groups() ->
+ [].
+
+init_per_suite(Config0) ->
+ catch crypto:stop(),
+ try crypto:start() of
+ ok ->
+ ssl:start(),
+ %% make rsa certs using oppenssl
+ Result =
+ (catch make_certs:all(?config(data_dir, Config0),
+ ?config(priv_dir, Config0))),
+ ct:log("Make certs ~p~n", [Result]),
+
+ Config1 = ssl_test_lib:make_dsa_cert(Config0),
+ ssl_test_lib:cert_options(Config1)
+ catch _:_ ->
+ {skip, "Crypto did not start"}
+ end.
+
+end_per_suite(_Config) ->
+ application:stop(crypto).
+
+init_per_group(_GroupName, Config) ->
+ Config.
+
+end_per_group(_GroupName, Config) ->
+ Config.
+
+init_per_testcase(pem_cleanup, Config) ->
+ ssl:stop(),
+ application:load(ssl),
+ application:set_env(ssl, ssl_pem_cache_clean, ?CLEANUP_INTERVAL),
+ ssl:start(),
+ Config.
+
+end_per_testcase(_TestCase, Config) ->
+ %%ssl:stop(),
+ Config.
+
+%%--------------------------------------------------------------------
+%% Test Cases --------------------------------------------------------
+%%--------------------------------------------------------------------
+pem_cleanup() ->
+ [{doc, "Test pem cache invalidate mechanism"}].
+pem_cleanup(Config)when is_list(Config) ->
+ process_flag(trap_exit, true),
+ ClientOpts = ?config(client_opts, Config),
+ ServerOpts = ?config(server_opts, Config),
+ {ClientNode, ServerNode, Hostname} = ssl_test_lib:run_where(Config),
+
+ Server =
+ ssl_test_lib:start_server([{node, ServerNode}, {port, 0},
+ {from, self()},
+ {mfa, {ssl_test_lib, no_result, []}},
+ {options, ServerOpts}]),
+ Port = ssl_test_lib:inet_port(Server),
+ Client =
+ ssl_test_lib:start_client([{node, ClientNode},
+ {port, Port}, {host, Hostname},
+ {mfa, {ssl_test_lib, no_result, []}},
+ {from, self()}, {options, ClientOpts}]),
+
+ Size = ssl_pkix_db:db_size(get_pem_cache()),
+ Certfile = proplists:get_value(certfile, ServerOpts),
+ {ok, FileInfo} = file:read_file_info(Certfile),
+ Time = later(),
+ ok = file:write_file_info(Certfile, FileInfo#file_info{mtime = Time}),
+ ct:sleep(2 * ?CLEANUP_INTERVAL),
+ Size1 = ssl_pkix_db:db_size(get_pem_cache()),
+ ssl_test_lib:close(Server),
+ ssl_test_lib:close(Client),
+ false = Size == Size1.
+
+get_pem_cache() ->
+ {status, _, _, StatusInfo} = sys:get_status(whereis(ssl_manager)),
+ [_, _,_, _, Prop] = StatusInfo,
+ State = ssl_test_lib:state(Prop),
+ case element(5, State) of
+ [_CertDb, _FileRefDb, PemChace] ->
+ PemChace;
+ _ ->
+ undefined
+ end.
+
+later()->
+ DateTime = calendar:now_to_local_time(erlang:timestamp()),
+ Gregorian = calendar:datetime_to_gregorian_seconds(DateTime),
+ calendar:gregorian_seconds_to_datetime(Gregorian + (2 * ?CLEANUP_INTERVAL)).
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-06 22:12:55 +0000