diff options
Diffstat (limited to 'lib/ssl/src')
-rw-r--r-- | lib/ssl/src/ssl.erl | 36 | ||||
-rw-r--r-- | lib/ssl/src/ssl_certificate_db.erl | 84 | ||||
-rw-r--r-- | lib/ssl/src/ssl_connection.erl | 6 | ||||
-rw-r--r-- | lib/ssl/src/ssl_manager.erl | 86 |
4 files changed, 118 insertions, 94 deletions
diff --git a/lib/ssl/src/ssl.erl b/lib/ssl/src/ssl.erl index 0bcdffbeff..5e3ced144a 100644 --- a/lib/ssl/src/ssl.erl +++ b/lib/ssl/src/ssl.erl @@ -30,7 +30,7 @@ controlling_process/2, listen/2, pid/1, peername/1, peercert/1, recv/2, recv/3, send/2, getopts/2, setopts/2, sockname/1, versions/0, session_info/1, format_error/1, - renegotiate/1, prf/5]). + renegotiate/1, prf/5, clear_pem_cache/0]). -deprecated({pid, 1, next_major_release}). @@ -431,6 +431,15 @@ prf(#sslsocket{pid = Pid, fd = new_ssl}, Secret, Label, Seed, WantedLength) -> ssl_connection:prf(Pid, Secret, Label, Seed, WantedLength). + +%%-------------------------------------------------------------------- +-spec clear_pem_cache() -> ok. +%% +%% Description: Clear the PEM cache +%%-------------------------------------------------------------------- +clear_pem_cache() -> + ssl_manager:clear_pem_cache(). + %%--------------------------------------------------------------- -spec format_error({error, term()}) -> list(). %% @@ -532,7 +541,7 @@ handle_options(Opts0, _Role) -> throw({error, {eoptions, {verify, Value}}}) end, - CertFile = handle_option(certfile, Opts, ""), + CertFile = handle_option(certfile, Opts, <<>>), SSLOptions = #ssl_options{ versions = handle_option(versions, Opts, []), @@ -619,8 +628,12 @@ validate_option(depth, Value) when is_integer(Value), validate_option(cert, Value) when Value == undefined; is_binary(Value) -> Value; -validate_option(certfile, Value) when Value == undefined; is_list(Value) -> +validate_option(certfile, undefined = Value) -> Value; +validate_option(certfile, Value) when is_binary(Value) -> + Value; +validate_option(certfile, Value) when is_list(Value) -> + list_to_binary(Value); validate_option(key, undefined) -> undefined; @@ -631,8 +644,13 @@ validate_option(key, {KeyType, Value}) when is_binary(Value), KeyType == 'DSAPrivateKey'; KeyType == 'PrivateKeyInfo' -> {KeyType, Value}; -validate_option(keyfile, Value) when is_list(Value) -> + +validate_option(keyfile, undefined) -> + <<>>; +validate_option(keyfile, Value) when is_binary(Value) -> Value; +validate_option(keyfile, Value) when is_list(Value), Value =/= "" -> + list_to_binary(Value); validate_option(password, Value) when is_list(Value) -> Value; @@ -642,16 +660,20 @@ validate_option(cacerts, Value) when Value == undefined; %% certfile must be present in some cases otherwhise it can be set %% to the empty string. validate_option(cacertfile, undefined) -> - ""; -validate_option(cacertfile, Value) when is_list(Value), Value =/= "" -> + <<>>; +validate_option(cacertfile, Value) when is_binary(Value) -> Value; +validate_option(cacertfile, Value) when is_list(Value), Value =/= ""-> + list_to_binary(Value); validate_option(dh, Value) when Value == undefined; is_binary(Value) -> Value; validate_option(dhfile, undefined = Value) -> Value; -validate_option(dhfile, Value) when is_list(Value), Value =/= "" -> +validate_option(dhfile, Value) when is_binary(Value) -> Value; +validate_option(dhfile, Value) when is_list(Value), Value =/= "" -> + list_to_binary(Value); validate_option(ciphers, Value) when is_list(Value) -> Version = ssl_record:highest_protocol_version([]), try cipher_suites(Version, Value) diff --git a/lib/ssl/src/ssl_certificate_db.erl b/lib/ssl/src/ssl_certificate_db.erl index 80fdc5201a..01ddf056c9 100644 --- a/lib/ssl/src/ssl_certificate_db.erl +++ b/lib/ssl/src/ssl_certificate_db.erl @@ -27,15 +27,11 @@ -include_lib("kernel/include/file.hrl"). -export([create/0, remove/1, add_trusted_certs/3, - remove_trusted_certs/2, insert/3, remove/2, clean/1, + remove_trusted_certs/2, insert/3, remove/2, clear/1, db_size/1, ref_count/3, lookup_trusted_cert/4, foldl/3, - lookup_cached_pem/2, cache_pem_file/3, cache_pem_file/4, + lookup_cached_pem/2, cache_pem_file/2, cache_pem_file/3, lookup/2]). --type time() :: {non_neg_integer(), non_neg_integer(), non_neg_integer()}. - --define(NOT_TO_BIG, 10). - %%==================================================================== %% Internal application API %%==================================================================== @@ -90,7 +86,8 @@ lookup_cached_pem(PemChache, MD5) -> lookup(MD5, PemChache). %%-------------------------------------------------------------------- --spec add_trusted_certs(pid(), string() | {der, list()}, [db_handle()]) -> {ok, [db_handle()]}. +-spec add_trusted_certs(pid(), {erlang:timestamp(), string()} | + {der, list()}, [db_handle()]) -> {ok, [db_handle()]}. %% %% Description: Adds the trusted certificates from file <File> to the %% runtime database. Returns Ref that should be handed to lookup_trusted_cert @@ -102,49 +99,36 @@ add_trusted_certs(_Pid, {der, DerList}, [CerDb, _,_]) -> {ok, NewRef}; add_trusted_certs(_Pid, File, [CertsDb, RefDb, PemChache] = Db) -> - {ok, #file_info{mtime = LastWrite}} = file:read_file_info(File), MD5 = crypto:md5(File), case lookup_cached_pem(Db, MD5) of - [{Mtime, Content}] -> - case LastWrite of - Mtime -> - Ref0 = make_ref(), - insert(Ref0, [], 1, RefDb), - insert(MD5, {Mtime, Content, Ref0}, PemChache), - add_certs_from_pem(Content, Ref0, CertsDb), - {ok, Ref0}; - _ -> - new_trusted_cert_entry(File, LastWrite, Db) - end; - [{Mtime, _Content, Ref0}] -> - case LastWrite of - Mtime -> - ref_count(Ref0, RefDb, 1), - {ok, Ref0}; - _ -> - new_trusted_cert_entry(File, LastWrite, Db) - end; + [{_Content, Ref}] -> + ref_count(Ref, RefDb, 1), + {ok, Ref}; + [Content] -> + Ref = make_ref(), + insert(Ref, [], 1, RefDb), + insert(MD5, {Content, Ref}, PemChache), + add_certs_from_pem(Content, Ref, CertsDb), + {ok, Ref}; undefined -> - new_trusted_cert_entry(File, LastWrite, Db) + new_trusted_cert_entry({MD5, File}, Db) end. %%-------------------------------------------------------------------- --spec cache_pem_file(string(), time(), [db_handle()]) -> term(). --spec cache_pem_file(reference(), string(), time(), [db_handle()]) -> term(). +-spec cache_pem_file(string(), [db_handle()]) -> term(). +-spec cache_pem_file(reference(), string(), [db_handle()]) -> term(). %% %% Description: Cache file as binary in DB %%-------------------------------------------------------------------- -cache_pem_file(File, Time, [_CertsDb, _RefDb, PemChache]) -> - {ok, PemBin} = file:read_file(File), +cache_pem_file({MD5, File}, [_CertsDb, _RefDb, PemChache]) -> + {ok, PemBin} = file:read_file(File), Content = public_key:pem_decode(PemBin), - MD5 = crypto:md5(File), - insert(MD5, {Time, Content}, PemChache), + insert(MD5, Content, PemChache), {ok, Content}. -cache_pem_file(Ref, File, Time, [_CertsDb, _RefDb, PemChache]) -> +cache_pem_file(Ref, {MD5, File}, [_CertsDb, _RefDb, PemChache]) -> {ok, PemBin} = file:read_file(File), Content = public_key:pem_decode(PemBin), - MD5 = crypto:md5(File), - insert(MD5, {Time, Content, Ref}, PemChache), + insert(MD5, {Content, Ref}, PemChache), {ok, Content}. remove_trusted_certs(Ref, CertsDb) -> @@ -194,17 +178,21 @@ ref_count(Key, Db, N) -> ets:update_counter(Db,Key,N). %%-------------------------------------------------------------------- --spec clean(db_handle()) -> term(). +-spec clear(db_handle()) -> term(). %% -%% Description: Updates a reference counter in a <Db>. +%% Description: Clears the cache %%-------------------------------------------------------------------- -clean(Db) -> - case ets:info(Db, size) of - N when N < ?NOT_TO_BIG -> - ok; - _ -> - ets:delete_all_objects(Db) - end. +clear(Db) -> + ets:delete_all_objects(Db). + +%%-------------------------------------------------------------------- +-spec db_size(db_handle()) -> integer(). +%% +%% Description: Returns the size of the db +%%-------------------------------------------------------------------- +db_size(Db) -> + ets:info(Db, size). + %%-------------------------------------------------------------------- %%-spec insert(Key::term(), Data::term(), Db::db_handle()) -> no_return(). %% @@ -246,9 +234,9 @@ add_certs(Cert, Ref, CertsDb) -> error_logger:info_report(Report) end. -new_trusted_cert_entry(File, LastWrite, [CertsDb,RefDb,PemChache] = Db) -> +new_trusted_cert_entry(FileRef, [CertsDb, RefDb, _] = Db) -> Ref = make_ref(), insert(Ref, [], 1, RefDb), - {ok, Content} = cache_pem_file(Ref, File, LastWrite, Db), + {ok, Content} = cache_pem_file(Ref, FileRef, Db), add_certs_from_pem(Content, Ref, CertsDb), {ok, Ref}. diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl index 2abe2d3a6c..ce20e72524 100644 --- a/lib/ssl/src/ssl_connection.erl +++ b/lib/ssl/src/ssl_connection.erl @@ -1094,7 +1094,7 @@ init_certificates(#ssl_options{cacerts = CaCerts, end, init_certificates(Cert, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheHandle, CertFile, Role). -init_certificates(undefined, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheHandle, "", _) -> +init_certificates(undefined, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheHandle, <<>>, _) -> {ok, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheHandle, undefined}; init_certificates(undefined, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheHandle, CertFile, client) -> @@ -1117,7 +1117,7 @@ init_certificates(undefined, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHan init_certificates(Cert, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheRef, _, _) -> {ok, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheRef, Cert}. -init_private_key(_, undefined, "", _Password, _Client) -> +init_private_key(_, undefined, <<>>, _Password, _Client) -> undefined; init_private_key(DbHandle, undefined, KeyFile, Password, _) -> try @@ -2373,7 +2373,7 @@ get_timeout(#state{ssl_options=#ssl_options{hibernate_after = undefined}}) -> get_timeout(#state{ssl_options=#ssl_options{hibernate_after = HibernateAfter}}) -> HibernateAfter. -handle_trusted_certs_db(#state{ssl_options = #ssl_options{cacertfile = ""}}) -> +handle_trusted_certs_db(#state{ssl_options = #ssl_options{cacertfile = <<>>}}) -> %% No trusted certs specified ok; handle_trusted_certs_db(#state{cert_db_ref = Ref, diff --git a/lib/ssl/src/ssl_manager.erl b/lib/ssl/src/ssl_manager.erl index e3bf0a1f92..a18cb70e2d 100644 --- a/lib/ssl/src/ssl_manager.erl +++ b/lib/ssl/src/ssl_manager.erl @@ -32,7 +32,7 @@ lookup_trusted_cert/4, new_session_id/1, clean_cert_db/2, register_session/2, register_session/3, invalidate_session/2, - invalidate_session/3]). + invalidate_session/3, clear_pem_cache/0]). % Spawn export -export([init_session_validator/1]). @@ -58,9 +58,10 @@ -define('24H_in_sec', 8640). -define(GEN_UNIQUE_ID_MAX_TRIES, 10). -define(SESSION_VALIDATION_INTERVAL, 60000). --define(PEM_CACHE_CLEANUP, 120000). +-define(CLEAR_PEM_CACHE, 120000). -define(CLEAN_SESSION_DB, 60000). -define(CLEAN_CERT_DB, 500). +-define(NOT_TO_BIG, 10). %%==================================================================== %% API @@ -84,24 +85,46 @@ start_link_dist(Opts) -> gen_server:start_link({local, ssl_manager_dist}, ?MODULE, [ssl_manager_dist, Opts], []). %%-------------------------------------------------------------------- --spec connection_init(string()| {der, list()}, client | server) -> +-spec connection_init(binary()| {der, list()}, client | server) -> {ok, certdb_ref(), db_handle(), db_handle()}. %% %% Description: Do necessary initializations for a new connection. %%-------------------------------------------------------------------- +connection_init({der, _} = Trustedcerts, Role) -> + call({connection_init, Trustedcerts, Role}); + +connection_init(<<>> = Trustedcerts, Role) -> + call({connection_init, Trustedcerts, Role}); + connection_init(Trustedcerts, Role) -> call({connection_init, Trustedcerts, Role}). + %%-------------------------------------------------------------------- --spec cache_pem_file(string(), term()) -> {ok, term()} | {error, reason()}. +-spec cache_pem_file(binary(), term()) -> {ok, term()} | {error, reason()}. %% %% Description: Cach a pem file and return its content. %%-------------------------------------------------------------------- cache_pem_file(File, DbHandle) -> - case file:read_file_info(File) of - {ok, #file_info{mtime = LastWrite}} -> - cache_pem_file(File, LastWrite, DbHandle); - Error -> Error + MD5 = crypto:md5(File), + case ssl_certificate_db:lookup_cached_pem(DbHandle, MD5) of + [Content] -> + {ok, Content}; + [{Content,_}] -> + {ok, Content}; + undefined -> + call({cache_pem, {MD5, File}}) end. + +%%-------------------------------------------------------------------- +-spec clear_pem_cache() -> ok. +%% +%% Description: Clear the PEM cache +%%-------------------------------------------------------------------- +clear_pem_cache() -> + %% Not supported for distribution at the moement, should it be? + put(ssl_manager, ssl_manager), + call(unconditionally_clear_pem_cache). + %%-------------------------------------------------------------------- -spec lookup_trusted_cert(term(), reference(), serialnumber(), issuer()) -> undefined | @@ -170,7 +193,7 @@ init([Name, Opts]) -> SessionCache = CacheCb:init(proplists:get_value(session_cb_init_args, Opts, [])), Timer = erlang:send_after(SessionLifeTime * 1000, self(), validate_sessions), - erlang:send_after(?PEM_CACHE_CLEANUP, self(), clean_pem_cache), + erlang:send_after(?CLEAR_PEM_CACHE, self(), clear_pem_cache), {ok, #state{certificate_db = CertDb, session_cache = SessionCache, session_cache_cb = CacheCb, @@ -188,7 +211,7 @@ init([Name, Opts]) -> %% %% Description: Handling call messages %%-------------------------------------------------------------------- -handle_call({{connection_init, "", _Role}, _Pid}, _From, +handle_call({{connection_init, <<>>, _Role}, _Pid}, _From, #state{certificate_db = [CertDb, FileRefDb, PemChace], session_cache = Cache} = State) -> Result = {ok, make_ref(),CertDb, FileRefDb, PemChace, Cache}, @@ -214,15 +237,18 @@ handle_call({{new_session_id,Port}, _}, {reply, Id, State}; -handle_call({{cache_pem, File, LastWrite}, _Pid}, _, +handle_call({{cache_pem, File}, _Pid}, _, #state{certificate_db = Db} = State) -> - try ssl_certificate_db:cache_pem_file(File, LastWrite, Db) of + try ssl_certificate_db:cache_pem_file(File, Db) of Result -> {reply, Result, State} catch _:Reason -> {reply, {error, Reason}, State} - end. + end; +handle_call({unconditionally_clear_pem_cache, _},_, #state{certificate_db = [_,_,PemChace]} = State) -> + ssl_certificate_db:clear(PemChace), + {reply, ok, State}. %%-------------------------------------------------------------------- -spec handle_cast(msg(), #state{}) -> {noreply, #state{}}. @@ -283,19 +309,25 @@ handle_info({delayed_clean_session, Key}, #state{session_cache = Cache, CacheCb:delete(Cache, Key), {noreply, State}; -handle_info(clean_pem_cache, #state{certificate_db = [_,_,PemChace]} = State) -> - ssl_certificate_db:clean(PemChace), - erlang:send_after(?PEM_CACHE_CLEANUP, self(), clean_pem_cache), +handle_info(clear_pem_cache, #state{certificate_db = [_,_,PemChace]} = State) -> + case ssl_certificate_db:db_size(PemChace) of + N when N < ?NOT_TO_BIG -> + ok; + _ -> + ssl_certificate_db:clear(PemChace) + end, + erlang:send_after(?CLEAR_PEM_CACHE, self(), clear_pem_cache), {noreply, State}; + handle_info({clean_cert_db, Ref, File}, #state{certificate_db = [CertDb,RefDb, PemCache]} = State) -> case ssl_certificate_db:ref_count(Ref, RefDb, 0) of 0 -> MD5 = crypto:md5(File), case ssl_certificate_db:lookup_cached_pem(MD5, PemCache) of - [{Mtime, Content, Ref}] -> - ssl_certificate_db:insert(MD5, {Mtime, Content}, PemCache); + [{Content, Ref}] -> + ssl_certificate_db:insert(MD5, Content, PemCache); undefined -> ok end, @@ -380,24 +412,6 @@ session_validation({{Port, _}, Session}, LifeTime) -> validate_session(Port, Session, LifeTime), LifeTime. -cache_pem_file(File, LastWrite, DbHandle) -> - case ssl_certificate_db:lookup_cached_pem(DbHandle,crypto:md5(File)) of - [{Mtime, Content}] -> - handle_cached_entry(File, LastWrite, Mtime, Content); - [{Mtime, Content,_}] -> - handle_cached_entry(File, LastWrite, Mtime, Content); - undefined -> - call({cache_pem, File, LastWrite}) - end. - -handle_cached_entry(File, LastWrite, Time, Content) -> - case LastWrite of - Time -> - {ok, Content}; - _ -> - call({cache_pem, File, LastWrite}) - end. - delay_time() -> case application:get_env(ssl, session_delay_cleanup_time) of {ok, Time} when is_integer(Time) -> |