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-rw-r--r--lib/ssl/src/ssl_manager.erl110
1 files changed, 87 insertions, 23 deletions
diff --git a/lib/ssl/src/ssl_manager.erl b/lib/ssl/src/ssl_manager.erl
index 692938cf3f..d6f96df16e 100644
--- a/lib/ssl/src/ssl_manager.erl
+++ b/lib/ssl/src/ssl_manager.erl
@@ -44,7 +44,8 @@
-include_lib("kernel/include/file.hrl").
-record(state, {
- session_cache,
+ session_cache_client,
+ session_cache_server,
session_cache_cb,
session_lifetime,
certificate_db,
@@ -215,13 +216,17 @@ init([Name, Opts]) ->
SessionLifeTime =
proplists:get_value(session_lifetime, Opts, ?'24H_in_sec'),
CertDb = ssl_pkix_db:create(),
- SessionCache = CacheCb:init(proplists:get_value(session_cb_init_args, Opts, [])),
+ ClientSessionCache = CacheCb:init([{role, client} |
+ proplists:get_value(session_cb_init_args, Opts, [])]),
+ ServerSessionCache = CacheCb:init([{role, server} |
+ 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 = SessionCache,
+ session_cache_client = ClientSessionCache,
+ session_cache_server = ServerSessionCache,
session_cache_cb = CacheCb,
session_lifetime = SessionLifeTime,
session_validation_timer = Timer,
@@ -240,15 +245,20 @@ init([Name, Opts]) ->
%%
%% Description: Handling call messages
%%--------------------------------------------------------------------
-handle_call({{connection_init, <<>>, _Role}, _Pid}, _From,
+handle_call({{connection_init, <<>>, client}, _Pid}, _From,
#state{certificate_db = [CertDb, FileRefDb, PemChace],
- session_cache = Cache} = State) ->
+ session_cache_client = Cache} = State) ->
+ Result = {ok, make_ref(),CertDb, FileRefDb, PemChace, Cache},
+ {reply, Result, State};
+handle_call({{connection_init, <<>>, server}, _Pid}, _From,
+ #state{certificate_db = [CertDb, FileRefDb, PemChace],
+ session_cache_server = Cache} = State) ->
Result = {ok, make_ref(),CertDb, FileRefDb, PemChace, Cache},
{reply, Result, State};
-handle_call({{connection_init, Trustedcerts, _Role}, Pid}, _From,
+handle_call({{connection_init, Trustedcerts, client}, Pid}, _From,
#state{certificate_db = [CertDb, FileRefDb, PemChace] = Db,
- session_cache = Cache} = State) ->
+ session_cache_client = Cache} = State) ->
Result =
try
{ok, Ref} = ssl_pkix_db:add_trusted_certs(Pid, Trustedcerts, Db),
@@ -258,10 +268,23 @@ handle_call({{connection_init, Trustedcerts, _Role}, Pid}, _From,
{error, Reason}
end,
{reply, Result, State};
+handle_call({{connection_init, Trustedcerts, server}, Pid}, _From,
+ #state{certificate_db = [CertDb, FileRefDb, PemChace] = Db,
+ session_cache_server = Cache} = State) ->
+ Result =
+ try
+ {ok, Ref} = ssl_pkix_db:add_trusted_certs(Pid, Trustedcerts, Db),
+ {ok, Ref, CertDb, FileRefDb, PemChace, Cache}
+ catch
+ _:Reason ->
+ {error, Reason}
+ end,
+ {reply, Result, State};
+
handle_call({{new_session_id,Port}, _},
_, #state{session_cache_cb = CacheCb,
- session_cache = Cache} = State) ->
+ session_cache_server = Cache} = State) ->
Id = new_id(Port, ?GEN_UNIQUE_ID_MAX_TRIES, Cache, CacheCb),
{reply, Id, State};
@@ -288,16 +311,22 @@ handle_call({unconditionally_clear_pem_cache, _},_, #state{certificate_db = [_,_
%% Description: Handling cast messages
%%--------------------------------------------------------------------
handle_cast({register_session, Host, Port, Session},
- #state{session_cache = Cache,
+ #state{session_cache_client = Cache,
session_cache_cb = CacheCb} = State) ->
TimeStamp = calendar:datetime_to_gregorian_seconds({date(), time()}),
NewSession = Session#session{time_stamp = TimeStamp},
- CacheCb:update(Cache, {{Host, Port},
- NewSession#session.session_id}, NewSession),
+
+ case CacheCb:select_session(Cache, {Host, Port}) of
+ no_session ->
+ CacheCb:update(Cache, {{Host, Port},
+ NewSession#session.session_id}, NewSession);
+ Sessions ->
+ register_unique_session(Sessions, NewSession, CacheCb, Cache, {Host, Port})
+ end,
{noreply, State};
handle_cast({register_session, Port, Session},
- #state{session_cache = Cache,
+ #state{session_cache_server = Cache,
session_cache_cb = CacheCb} = State) ->
TimeStamp = calendar:datetime_to_gregorian_seconds({date(), time()}),
NewSession = Session#session{time_stamp = TimeStamp},
@@ -306,12 +335,12 @@ handle_cast({register_session, Port, Session},
handle_cast({invalidate_session, Host, Port,
#session{session_id = ID} = Session},
- #state{session_cache = Cache,
+ #state{session_cache_client = Cache,
session_cache_cb = CacheCb} = State) ->
invalidate_session(Cache, CacheCb, {{Host, Port}, ID}, Session, State);
handle_cast({invalidate_session, Port, #session{session_id = ID} = Session},
- #state{session_cache = Cache,
+ #state{session_cache_server = Cache,
session_cache_cb = CacheCb} = State) ->
invalidate_session(Cache, CacheCb, {Port, ID}, Session, State);
@@ -329,18 +358,20 @@ handle_cast({invalidate_pem, File},
%% Description: Handling all non call/cast messages
%%-------------------------------------------------------------------
handle_info(validate_sessions, #state{session_cache_cb = CacheCb,
- session_cache = Cache,
+ session_cache_client = ClientCache,
+ session_cache_server = ServerCache,
session_lifetime = LifeTime
} = State) ->
Timer = erlang:send_after(?SESSION_VALIDATION_INTERVAL,
self(), validate_sessions),
- start_session_validator(Cache, CacheCb, LifeTime),
+ start_session_validator(ClientCache, CacheCb, LifeTime),
+ start_session_validator(ServerCache, CacheCb, LifeTime),
{noreply, State#state{session_validation_timer = Timer}};
-handle_info({delayed_clean_session, Key}, #state{session_cache = Cache,
- session_cache_cb = CacheCb
- } = State) ->
- CacheCb:remove(Cache, Key),
+
+handle_info({delayed_clean_session, Key, Cache}, #state{session_cache_cb = CacheCb
+ } = State) ->
+ CacheCb:delete(Cache, Key),
{noreply, State};
handle_info(clear_pem_cache, #state{certificate_db = [_,_,PemChace],
@@ -380,12 +411,14 @@ handle_info(_Info, State) ->
%% The return value is ignored.
%%--------------------------------------------------------------------
terminate(_Reason, #state{certificate_db = Db,
- session_cache = SessionCache,
+ session_cache_client = ClientSessionCache,
+ session_cache_server = ServerSessionCache,
session_cache_cb = CacheCb,
session_validation_timer = Timer}) ->
erlang:cancel_timer(Timer),
ssl_pkix_db:remove(Db),
- CacheCb:terminate(SessionCache),
+ catch CacheCb:terminate(ClientSessionCache),
+ catch CacheCb:terminate(ServerSessionCache),
ok.
%%--------------------------------------------------------------------
@@ -458,7 +491,7 @@ invalidate_session(Cache, CacheCb, Key, Session, #state{last_delay_timer = LastT
%% up the session data but new connections should not get to use this session.
CacheCb:update(Cache, Key, Session#session{is_resumable = false}),
TRef =
- erlang:send_after(delay_time(), self(), {delayed_clean_session, Key}),
+ erlang:send_after(delay_time(), self(), {delayed_clean_session, Key, Cache}),
{noreply, State#state{last_delay_timer = last_delay_timer(Key, TRef, LastTimer)}}
end.
@@ -507,6 +540,37 @@ clean_cert_db(Ref, CertDb, RefDb, PemCache, File) ->
ok
end.
+%% Do not let dumb clients create a gigantic session table
+%% for itself creating big delays at connection time.
+register_unique_session(Sessions, Session, CacheCb, Cache, PartialKey) ->
+ case exists_equivalent(Session , Sessions) of
+ true ->
+ ok;
+ false ->
+ CacheCb:update(Cache, {PartialKey,
+ Session#session.session_id}, Session)
+ end.
+
+exists_equivalent(_, []) ->
+ false;
+exists_equivalent(#session{
+ peer_certificate = PeerCert,
+ own_certificate = OwnCert,
+ compression_method = Compress,
+ cipher_suite = CipherSuite,
+ srp_username = SRP,
+ ecc = ECC} ,
+ [#session{
+ peer_certificate = PeerCert,
+ own_certificate = OwnCert,
+ compression_method = Compress,
+ cipher_suite = CipherSuite,
+ srp_username = SRP,
+ ecc = ECC} | _]) ->
+ true;
+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]]).
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-15 10:42:18 +0000