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authorIngela Anderton Andin <[email protected]>2018-08-07 17:56:50 +0200
committerIngela Anderton Andin <[email protected]>2018-08-09 12:04:11 +0200
commite6361e0df384d1b8358955529c1d6f02c694274b (patch)
treed12842ca769eeab345c892e4aa48b9e0df3e7024 /lib
parentca9f2fe073b587e70b5502c87be3eca6f72ddd57 (diff)
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ssl: Error handling improvment
Diffstat (limited to 'lib')
-rw-r--r--lib/ssl/src/ssl_manager.erl8
-rw-r--r--lib/ssl/src/ssl_pem_cache.erl12
-rw-r--r--lib/ssl/src/ssl_pkix_db.erl17
-rw-r--r--lib/ssl/test/ssl_pem_cache_SUITE.erl45
4 files changed, 66 insertions, 16 deletions
diff --git a/lib/ssl/src/ssl_manager.erl b/lib/ssl/src/ssl_manager.erl
index f44fe6a2bf..52aa164420 100644
--- a/lib/ssl/src/ssl_manager.erl
+++ b/lib/ssl/src/ssl_manager.erl
@@ -127,7 +127,13 @@ cache_pem_file(File, DbHandle) ->
[Content] ->
{ok, Content};
undefined ->
- ssl_pem_cache:insert(File)
+ case ssl_pkix_db:decode_pem_file(File) of
+ {ok, Content} ->
+ ssl_pem_cache:insert(File, Content),
+ {ok, Content};
+ Error ->
+ Error
+ end
end.
%%--------------------------------------------------------------------
diff --git a/lib/ssl/src/ssl_pem_cache.erl b/lib/ssl/src/ssl_pem_cache.erl
index 115ab4451d..a952e20133 100644
--- a/lib/ssl/src/ssl_pem_cache.erl
+++ b/lib/ssl/src/ssl_pem_cache.erl
@@ -29,7 +29,7 @@
-export([start_link/1,
start_link_dist/1,
name/1,
- insert/1,
+ insert/2,
clear/0]).
% Spawn export
@@ -90,19 +90,17 @@ start_link_dist(_) ->
%%--------------------------------------------------------------------
--spec insert(binary()) -> {ok, term()} | {error, reason()}.
+-spec insert(binary(), term()) -> ok | {error, reason()}.
%%
%% Description: Cache a pem file and return its content.
%%--------------------------------------------------------------------
-insert(File) ->
- {ok, PemBin} = file:read_file(File),
- Content = public_key:pem_decode(PemBin),
+insert(File, Content) ->
case bypass_cache() of
true ->
- {ok, Content};
+ ok;
false ->
cast({cache_pem, File, Content}),
- {ok, Content}
+ ok
end.
%%--------------------------------------------------------------------
diff --git a/lib/ssl/src/ssl_pkix_db.erl b/lib/ssl/src/ssl_pkix_db.erl
index 8828c3a0d8..b6fae36ff9 100644
--- a/lib/ssl/src/ssl_pkix_db.erl
+++ b/lib/ssl/src/ssl_pkix_db.erl
@@ -157,7 +157,7 @@ extract_trusted_certs(File) ->
{error, {badmatch, Error}}
end.
--spec decode_pem_file(binary()) -> {ok, term()}.
+-spec decode_pem_file(binary()) -> {ok, term()} | {error, term()}.
decode_pem_file(File) ->
case file:read_file(File) of
{ok, PemBin} ->
@@ -316,11 +316,16 @@ decode_certs(Ref, Cert) ->
end.
new_trusted_cert_entry(File, [CertsDb, RefsDb, _ | _]) ->
- Ref = make_ref(),
- init_ref_db(Ref, File, RefsDb),
- {ok, Content} = ssl_pem_cache:insert(File),
- add_certs_from_pem(Content, Ref, CertsDb),
- {ok, Ref}.
+ case decode_pem_file(File) of
+ {ok, Content} ->
+ Ref = make_ref(),
+ init_ref_db(Ref, File, RefsDb),
+ ok = ssl_pem_cache:insert(File, Content),
+ add_certs_from_pem(Content, Ref, CertsDb),
+ {ok, Ref};
+ Error ->
+ Error
+ end.
add_crls([_,_,_, {_, Mapping} | _], ?NO_DIST_POINT, CRLs) ->
[add_crls(CRL, Mapping) || CRL <- CRLs];
diff --git a/lib/ssl/test/ssl_pem_cache_SUITE.erl b/lib/ssl/test/ssl_pem_cache_SUITE.erl
index 96b15d9b51..3b79780974 100644
--- a/lib/ssl/test/ssl_pem_cache_SUITE.erl
+++ b/lib/ssl/test/ssl_pem_cache_SUITE.erl
@@ -34,7 +34,7 @@
%% Common Test interface functions -----------------------------------
%%--------------------------------------------------------------------
all() ->
- [pem_cleanup].
+ [pem_cleanup, invalid_insert].
groups() ->
[].
@@ -68,6 +68,10 @@ init_per_testcase(pem_cleanup = Case, Config) ->
application:set_env(ssl, ssl_pem_cache_clean, ?CLEANUP_INTERVAL),
ssl:start(),
ct:timetrap({minutes, 1}),
+ Config;
+init_per_testcase(_, Config) ->
+ ssl:start(),
+ ct:timetrap({seconds, 5}),
Config.
end_per_testcase(_TestCase, Config) ->
@@ -108,7 +112,34 @@ pem_cleanup(Config)when is_list(Config) ->
ssl_test_lib:close(Server),
ssl_test_lib:close(Client),
false = Size == Size1.
-
+
+invalid_insert() ->
+ [{doc, "Test that insert of invalid pem does not cause empty cache entry"}].
+invalid_insert(Config)when is_list(Config) ->
+ process_flag(trap_exit, true),
+
+ ClientOpts = proplists:get_value(client_verification_opts, Config),
+ ServerOpts = proplists:get_value(server_verification_opts, Config),
+ {ClientNode, ServerNode, Hostname} = ssl_test_lib:run_where(Config),
+ BadClientOpts = [{cacertfile, "tmp/does_not_exist.pem"} | proplists:delete(cacertfile, ClientOpts)],
+ 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),
+ ssl_test_lib:start_client_error([{node, ClientNode},
+ {port, Port}, {host, Hostname},
+ {from, self()}, {options, BadClientOpts}]),
+ ssl_test_lib:close(Server),
+ 1 = ssl_pkix_db:db_size(get_fileref_db()).
+
+
+
+%%--------------------------------------------------------------------
+%% Internal funcations
+%%--------------------------------------------------------------------
+
get_pem_cache() ->
{status, _, _, StatusInfo} = sys:get_status(whereis(ssl_manager)),
[_, _,_, _, Prop] = StatusInfo,
@@ -120,6 +151,16 @@ get_pem_cache() ->
undefined
end.
+get_fileref_db() ->
+ {status, _, _, StatusInfo} = sys:get_status(whereis(ssl_manager)),
+ [_, _,_, _, Prop] = StatusInfo,
+ State = ssl_test_lib:state(Prop),
+ case element(6, State) of
+ [_CertDb, {FileRefDb,_} | _] ->
+ FileRefDb;
+ _ ->
+ undefined
+ end.
later()->
DateTime = calendar:now_to_local_time(os:timestamp()),
Gregorian = calendar:datetime_to_gregorian_seconds(DateTime),