From e6361e0df384d1b8358955529c1d6f02c694274b Mon Sep 17 00:00:00 2001 From: Ingela Anderton Andin Date: Tue, 7 Aug 2018 17:56:50 +0200 Subject: ssl: Error handling improvment --- lib/ssl/src/ssl_manager.erl | 8 ++++++- lib/ssl/src/ssl_pem_cache.erl | 12 ++++------ lib/ssl/src/ssl_pkix_db.erl | 17 +++++++++----- lib/ssl/test/ssl_pem_cache_SUITE.erl | 45 ++++++++++++++++++++++++++++++++++-- 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), -- cgit v1.2.3