diff options
Diffstat (limited to 'lib/ssl/src/ssl_manager.erl')
| -rw-r--r-- | lib/ssl/src/ssl_manager.erl | 184 |
1 files changed, 49 insertions, 135 deletions
diff --git a/lib/ssl/src/ssl_manager.erl b/lib/ssl/src/ssl_manager.erl index c7dcbaabe9..f44fe6a2bf 100644 --- a/lib/ssl/src/ssl_manager.erl +++ b/lib/ssl/src/ssl_manager.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2007-2016. All Rights Reserved. +%% Copyright Ericsson AB 2007-2017. 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. @@ -32,10 +32,9 @@ new_session_id/1, clean_cert_db/2, register_session/2, register_session/3, invalidate_session/2, insert_crls/2, insert_crls/3, delete_crls/1, delete_crls/2, - invalidate_session/3, invalidate_pem/1, clear_pem_cache/0, manager_name/1]). + invalidate_session/3, name/1]). -% Spawn export --export([init_session_validator/1, init_pem_cache_validator/1]). +-export([init_session_validator/1]). %% gen_server callbacks -export([init/1, handle_call/3, handle_cast/2, handle_info/2, @@ -52,9 +51,7 @@ session_lifetime :: integer(), certificate_db :: db_handle(), session_validation_timer :: reference(), - last_delay_timer = {undefined, undefined},%% Keep for testing purposes - last_pem_check :: erlang:timestamp(), - clear_pem_cache :: integer(), + last_delay_timer = {undefined, undefined},%% Keep for testing purposes session_cache_client_max :: integer(), session_cache_server_max :: integer(), session_server_invalidator :: undefined | pid(), @@ -63,7 +60,6 @@ -define(GEN_UNIQUE_ID_MAX_TRIES, 10). -define(SESSION_VALIDATION_INTERVAL, 60000). --define(CLEAR_PEM_CACHE, 120000). -define(CLEAN_SESSION_DB, 60000). -define(CLEAN_CERT_DB, 500). -define(DEFAULT_MAX_SESSION_CACHE, 1000). @@ -74,15 +70,15 @@ %%==================================================================== %%-------------------------------------------------------------------- --spec manager_name(normal | dist) -> atom(). +-spec name(normal | dist) -> atom(). %% %% Description: Returns the registered name of the ssl manager process %% in the operation modes 'normal' and 'dist'. %%-------------------------------------------------------------------- -manager_name(normal) -> +name(normal) -> ?MODULE; -manager_name(dist) -> - list_to_atom(atom_to_list(?MODULE) ++ "dist"). +name(dist) -> + list_to_atom(atom_to_list(?MODULE) ++ "_dist"). %%-------------------------------------------------------------------- -spec start_link(list()) -> {ok, pid()} | ignore | {error, term()}. @@ -91,9 +87,10 @@ manager_name(dist) -> %% and certificate caching. %%-------------------------------------------------------------------- start_link(Opts) -> - DistMangerName = manager_name(normal), - gen_server:start_link({local, DistMangerName}, - ?MODULE, [DistMangerName, Opts], []). + MangerName = name(normal), + CacheName = ssl_pem_cache:name(normal), + gen_server:start_link({local, MangerName}, + ?MODULE, [MangerName, CacheName, Opts], []). %%-------------------------------------------------------------------- -spec start_link_dist(list()) -> {ok, pid()} | ignore | {error, term()}. @@ -102,24 +99,21 @@ start_link(Opts) -> %% be used by the erlang distribution. Note disables soft upgrade! %%-------------------------------------------------------------------- start_link_dist(Opts) -> - DistMangerName = manager_name(dist), + DistMangerName = name(dist), + DistCacheName = ssl_pem_cache:name(dist), gen_server:start_link({local, DistMangerName}, - ?MODULE, [DistMangerName, Opts], []). + ?MODULE, [DistMangerName, DistCacheName, Opts], []). %%-------------------------------------------------------------------- -spec connection_init(binary()| {der, list()}, client | server, {Cb :: atom(), Handle:: term()}) -> - {ok, certdb_ref(), db_handle(), db_handle(), - db_handle(), db_handle(), CRLInfo::term()}. + {ok, map()}. %% %% Description: Do necessary initializations for a new connection. %%-------------------------------------------------------------------- connection_init({der, _} = Trustedcerts, Role, CRLCache) -> - call({connection_init, Trustedcerts, Role, CRLCache}); - -connection_init(<<>> = Trustedcerts, Role, CRLCache) -> - call({connection_init, Trustedcerts, Role, CRLCache}); - + {ok, Extracted} = ssl_pkix_db:extract_trusted_certs(Trustedcerts), + call({connection_init, Extracted, Role, CRLCache}); connection_init(Trustedcerts, Role, CRLCache) -> call({connection_init, Trustedcerts, Role, CRLCache}). @@ -129,26 +123,14 @@ connection_init(Trustedcerts, Role, CRLCache) -> %% Description: Cache a pem file and return its content. %%-------------------------------------------------------------------- cache_pem_file(File, DbHandle) -> - case ssl_pkix_db:lookup_cached_pem(DbHandle, File) of - [{Content,_}] -> - {ok, Content}; - [Content] -> + case ssl_pkix_db:lookup(File, DbHandle) of + [Content] -> {ok, Content}; undefined -> - call({cache_pem, File}) + ssl_pem_cache:insert(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, manager_name(normal)), - call(unconditionally_clear_pem_cache). - -%%-------------------------------------------------------------------- -spec lookup_trusted_cert(term(), reference(), serialnumber(), issuer()) -> undefined | {ok, {der_cert(), #'OTPCertificate'{}}}. @@ -205,26 +187,22 @@ invalidate_session(Port, Session) -> load_mitigation(), cast({invalidate_session, Port, Session}). --spec invalidate_pem(File::binary()) -> ok. -invalidate_pem(File) -> - cast({invalidate_pem, File}). - insert_crls(Path, CRLs)-> insert_crls(Path, CRLs, normal). insert_crls(?NO_DIST_POINT_PATH = Path, CRLs, ManagerType)-> - put(ssl_manager, manager_name(ManagerType)), + put(ssl_manager, name(ManagerType)), cast({insert_crls, Path, CRLs}); insert_crls(Path, CRLs, ManagerType)-> - put(ssl_manager, manager_name(ManagerType)), + put(ssl_manager, name(ManagerType)), call({insert_crls, Path, CRLs}). delete_crls(Path)-> delete_crls(Path, normal). delete_crls(?NO_DIST_POINT_PATH = Path, ManagerType)-> - put(ssl_manager, manager_name(ManagerType)), + put(ssl_manager, name(ManagerType)), cast({delete_crls, Path}); delete_crls(Path, ManagerType)-> - put(ssl_manager, manager_name(ManagerType)), + put(ssl_manager, name(ManagerType)), call({delete_crls, Path}). %%==================================================================== @@ -238,13 +216,14 @@ delete_crls(Path, ManagerType)-> %% %% Description: Initiates the server %%-------------------------------------------------------------------- -init([Name, Opts]) -> - put(ssl_manager, Name), +init([ManagerName, PemCacheName, Opts]) -> + put(ssl_manager, ManagerName), + put(ssl_pem_cache, PemCacheName), process_flag(trap_exit, true), CacheCb = proplists:get_value(session_cb, Opts, ssl_session_cache), SessionLifeTime = proplists:get_value(session_lifetime, Opts, ?'24H_in_sec'), - CertDb = ssl_pkix_db:create(), + CertDb = ssl_pkix_db:create(PemCacheName), ClientSessionCache = CacheCb:init([{role, client} | proplists:get_value(session_cb_init_args, Opts, [])]), @@ -253,16 +232,12 @@ init([Name, Opts]) -> proplists:get_value(session_cb_init_args, Opts, [])]), Timer = erlang:send_after(SessionLifeTime * 1000 + 5000, self(), validate_sessions), - Interval = pem_check_interval(), - erlang:send_after(Interval, self(), clear_pem_cache), {ok, #state{certificate_db = CertDb, session_cache_client = ClientSessionCache, session_cache_server = ServerSessionCache, session_cache_cb = CacheCb, session_lifetime = SessionLifeTime, session_validation_timer = Timer, - last_pem_check = os:timestamp(), - clear_pem_cache = Interval, session_cache_client_max = max_session_cache_size(session_cache_client_max), session_cache_server_max = @@ -285,18 +260,25 @@ init([Name, Opts]) -> handle_call({{connection_init, <<>>, Role, {CRLCb, UserCRLDb}}, _Pid}, _From, #state{certificate_db = [CertDb, FileRefDb, PemChace | _] = Db} = State) -> Ref = make_ref(), - Result = {ok, Ref, CertDb, FileRefDb, PemChace, - session_cache(Role, State), {CRLCb, crl_db_info(Db, UserCRLDb)}}, - {reply, Result, State#state{certificate_db = Db}}; + {reply, {ok, #{cert_db_ref => Ref, + cert_db_handle => CertDb, + fileref_db_handle => FileRefDb, + pem_cache => PemChace, + session_cache => session_cache(Role, State), + crl_db_info => {CRLCb, crl_db_info(Db, UserCRLDb)}}}, State}; handle_call({{connection_init, Trustedcerts, Role, {CRLCb, UserCRLDb}}, Pid}, _From, #state{certificate_db = [CertDb, FileRefDb, PemChace | _] = Db} = State) -> case add_trusted_certs(Pid, Trustedcerts, Db) of {ok, Ref} -> - {reply, {ok, Ref, CertDb, FileRefDb, PemChace, session_cache(Role, State), - {CRLCb, crl_db_info(Db, UserCRLDb)}}, State}; - {error, _} = Error -> - {reply, Error, State} + {reply, {ok, #{cert_db_ref => Ref, + cert_db_handle => CertDb, + fileref_db_handle => FileRefDb, + pem_cache => PemChace, + session_cache => session_cache(Role, State), + crl_db_info => {CRLCb, crl_db_info(Db, UserCRLDb)}}}, State}; + {error, _} = Error -> + {reply, Error, State} end; handle_call({{insert_crls, Path, CRLs}, _}, _From, @@ -313,21 +295,7 @@ handle_call({{new_session_id, Port}, _}, _, #state{session_cache_cb = CacheCb, session_cache_server = Cache} = State) -> Id = new_id(Port, ?GEN_UNIQUE_ID_MAX_TRIES, Cache, CacheCb), - {reply, Id, State}; - -handle_call({{cache_pem,File}, _Pid}, _, - #state{certificate_db = Db} = State) -> - try ssl_pkix_db:cache_pem_file(File, Db) of - Result -> - {reply, Result, State} - catch - _:Reason -> - {reply, {error, Reason}, State} - end; -handle_call({unconditionally_clear_pem_cache, _},_, - #state{certificate_db = [_,_,PemChace | _]} = State) -> - ssl_pkix_db:clear(PemChace), - {reply, ok, State}. + {reply, Id, State}. %%-------------------------------------------------------------------- -spec handle_cast(msg(), #state{}) -> {noreply, #state{}}. @@ -365,11 +333,6 @@ handle_cast({insert_crls, Path, CRLs}, handle_cast({delete_crls, CRLsOrPath}, #state{certificate_db = Db} = State) -> ssl_pkix_db:remove_crls(Db, CRLsOrPath), - {noreply, State}; - -handle_cast({invalidate_pem, File}, - #state{certificate_db = [_, _, PemCache | _]} = State) -> - ssl_pkix_db:remove(File, PemCache), {noreply, State}. %%-------------------------------------------------------------------- @@ -401,22 +364,14 @@ handle_info({delayed_clean_session, Key, Cache}, #state{session_cache_cb = Cache CacheCb:delete(Cache, Key), {noreply, State}; -handle_info(clear_pem_cache, #state{certificate_db = [_,_,PemChace | _], - clear_pem_cache = Interval, - last_pem_check = CheckPoint} = State) -> - NewCheckPoint = os: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}, - #state{certificate_db = [CertDb,RefDb, PemCache | _]} = State) -> + #state{certificate_db = [CertDb, {RefDb, FileMapDb} | _]} = State) -> case ssl_pkix_db:lookup(Ref, RefDb) of undefined -> %% Alredy cleaned ok; _ -> - clean_cert_db(Ref, CertDb, RefDb, PemCache, File) + clean_cert_db(Ref, CertDb, RefDb, FileMapDb, File) end, {noreply, State}; @@ -569,16 +524,11 @@ new_id(Port, Tries, Cache, CacheCb) -> new_id(Port, Tries - 1, Cache, CacheCb) end. -clean_cert_db(Ref, CertDb, RefDb, PemCache, File) -> +clean_cert_db(Ref, CertDb, RefDb, FileMapDb, File) -> case ssl_pkix_db:ref_count(Ref, RefDb, 0) of 0 -> - case ssl_pkix_db:lookup_cached_pem(PemCache, File) of - [{Content, Ref}] -> - ssl_pkix_db:insert(File, Content, PemCache); - _ -> - ok - end, ssl_pkix_db:remove(Ref, RefDb), + ssl_pkix_db:remove(File, FileMapDb), ssl_pkix_db:remove_trusted_certs(Ref, CertDb); _ -> ok @@ -613,7 +563,7 @@ server_register_session(Port, Session, #state{session_cache_server_max = Max, do_register_session(Key, Session, Max, Pid, Cache, CacheCb) -> try CacheCb:size(Cache) of - Max -> + Size when Size >= Max -> invalidate_session_cache(Pid, CacheCb, Cache); _ -> CacheCb:update(Cache, Key, Session), @@ -662,42 +612,6 @@ exists_equivalent(#session{ exists_equivalent(Session, [ _ | Rest]) -> exists_equivalent(Session, Rest). -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. - add_trusted_certs(Pid, Trustedcerts, Db) -> try ssl_pkix_db:add_trusted_certs(Pid, Trustedcerts, Db) |