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-rw-r--r--lib/ssl/src/ssl.erl36
-rw-r--r--lib/ssl/src/ssl_certificate_db.erl84
-rw-r--r--lib/ssl/src/ssl_connection.erl6
-rw-r--r--lib/ssl/src/ssl_manager.erl86
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) ->