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%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2007-2022. 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.
%% You may obtain a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%
%% %CopyrightEnd%
%%
%%
-ifndef(ssl_internal).
-define(ssl_internal, true).
-include_lib("kernel/include/logger.hrl").
-include_lib("public_key/include/public_key.hrl").
-define(CLIENT_ROLE, client).
-define(SERVER_ROLE, server).
-define(SECRET_PRINTOUT, "***").
-type reason() :: any().
-type reply() :: any().
-type msg() :: any().
-type from() :: any().
-type certdb_ref() :: reference().
-type db_handle() :: any().
-type der_cert() :: binary().
-type issuer() :: tuple().
-type serialnumber() :: integer().
-type cert_key() :: {reference(), integer(), issuer()}.
-type secret_printout() :: list().
%% basic binary constructors
-define(BOOLEAN(X), X:8/unsigned-big-integer).
-define(BYTE(X), X:8/unsigned-big-integer).
-define(UINT16(X), X:16/unsigned-big-integer).
-define(UINT24(X), X:24/unsigned-big-integer).
-define(UINT32(X), X:32/unsigned-big-integer).
-define(UINT48(X), X:48/unsigned-big-integer).
-define(UINT64(X), X:64/unsigned-big-integer).
-define(STRING(X), ?UINT32((size(X))), (X)/binary).
-define(byte(X), << ?BYTE(X) >> ).
-define(uint16(X), << ?UINT16(X) >> ).
-define(uint24(X), << ?UINT24(X) >> ).
-define(uint32(X), << ?UINT32(X) >> ).
-define(uint48(X), << ?UINT48(X) >> ).
-define(uint64(X), << ?UINT64(X) >> ).
-define(CDR_MAGIC, "GIOP").
-define(CDR_HDR_SIZE, 12).
-define(INTERNAL_ACTIVE_N, 100).
-define(DEPTH, 20).
-define(DEFAULT_TIMEOUT, 5000).
-define(NO_DIST_POINT, "http://dummy/no_distribution_point").
-define(NO_DIST_POINT_PATH, "dummy/no_distribution_point").
%% Common enumerate values in for SSL-protocols
-define(NULL, 0).
-define(TRUE, 0).
-define(FALSE, 1).
%% sslv3 is considered insecure due to lack of padding check (Poodle attack)
%% Keep as interop with legacy software but do not support as default
%% tlsv1.0 and tlsv1.1 is now also considered legacy
%% tlsv1.3 is under development (experimental).
-define(ALL_AVAILABLE_VERSIONS, ['tlsv1.3', 'tlsv1.2', 'tlsv1.1', tlsv1]).
-define(ALL_AVAILABLE_DATAGRAM_VERSIONS, ['dtlsv1.2', dtlsv1]).
%% Defines the default versions when not specified by an ssl option.
-define(ALL_SUPPORTED_VERSIONS, ['tlsv1.3', 'tlsv1.2']).
-define(MIN_SUPPORTED_VERSIONS, ['tlsv1.1']).
%% Versions allowed in TLSCiphertext.version (TLS 1.2 and prior) and
%% TLSCiphertext.legacy_record_version (TLS 1.3).
%% TLS 1.3 sets TLSCiphertext.legacy_record_version to 0x0303 for all records
%% generated other than an than an initial ClientHello, where it MAY also be 0x0301.
%% Thus, the allowed range is limited to 0x0300 - 0x0303.
-define(ALL_TLS_RECORD_VERSIONS, ['tlsv1.2', 'tlsv1.1', tlsv1]).
-define(ALL_DATAGRAM_SUPPORTED_VERSIONS, ['dtlsv1.2']).
-define(MIN_DATAGRAM_SUPPORTED_VERSIONS, [dtlsv1]).
%% TLS 1.3 - Section 4.1.3
%%
%% If negotiating TLS 1.2, TLS 1.3 servers MUST set the last eight bytes
%% of their Random value to the bytes:
%%
%% 44 4F 57 4E 47 52 44 01
%%
%% If negotiating TLS 1.1 or below, TLS 1.3 servers MUST and TLS 1.2
%% servers SHOULD set the last eight bytes of their Random value to the
%% bytes:
%%
%% 44 4F 57 4E 47 52 44 00
-define(RANDOM_OVERRIDE_TLS12, <<16#44,16#4F,16#57,16#4E,16#47,16#52,16#44,16#01>>).
-define(RANDOM_OVERRIDE_TLS11, <<16#44,16#4F,16#57,16#4E,16#47,16#52,16#44,16#00>>).
-define('24H_in_msec', 86400000).
-define('24H_in_sec', 86400).
%% https://tools.ietf.org/html/rfc8446#section-5.5
%% Limits on Key Usage
%% http://www.isg.rhul.ac.uk/~kp/TLS-AEbounds.pdf
%% Number of records * Record length
%% 2^24.5 * 2^14 = 2^38.5
-define(KEY_USAGE_LIMIT_AES_GCM, 388736063997).
-define(DEFAULT_MAX_EARLY_DATA_SIZE, 16384).
-define('TLS-1_3_ONLY_OPTIONS', [anti_replay,
certificate_authorities,
cookie,
early_data,
key_update_at,
middlebox_comp_mode,
session_tickets,
supported_groups,
use_ticket]).
-define('FROM_TLS-1_2_ONLY_OPTIONS', [signature_algs,
signature_algs_cert]).
-define('PRE_TLS-1_3_ONLY_OPTIONS', [client_renegotiation,
dh_file,
eccs,
fallback,
secure_renegotiate,
psk_identity,
reuse_session,
reuse_sessions,
srp_identity,
user_lookup_fun
]).
-define('TLS-1_0_ONLY_OPTIONS', [padding_check,
beast_mitigation]).
-record(socket_options,
{
mode = list,
packet = 0,
packet_size = 0,
header = 0,
active = true
}).
-record(config, {ssl, %% SSL parameters
inet_user, %% User set inet options
emulated, %% Emulated option list or
trackers,
dtls_handler,
inet_ssl, %% inet options for internal ssl socket
transport_info, %% Callback info
connection_cb
}).
-type state_name() :: hello | abbreviated | certify | cipher | connection.
-type gen_fsm_state_return() :: {next_state, state_name(), any()} |
{next_state, state_name(), any(), timeout()} |
{stop, any(), any()}.
-type ssl_options() :: map().
-define(SSL_LOG(Level, Descr, Reason),
fun() ->
case get(log_level) of
undefined ->
%% Use debug here, i.e. log everything and let loggers
%% log_level decide if it should be logged
ssl_logger:log(Level, debug,
#{description => Descr, reason => Reason},
?LOCATION);
__LogLevel__ ->
ssl_logger:log(Level, __LogLevel__,
#{description => Descr, reason => Reason},
?LOCATION)
end
end()).
%% Internal ticket data record holding pre-processed ticket data.
-record(ticket_data,
{key, %% key in client ticket store
pos, %% ticket position in binders list
identity, %% opaque ticket binary
psk, %% pre-shared key
nonce, %% ticket nonce
cipher_suite, %% cipher suite - hash, bulk cipher algorithm
max_size %% max early data size allowed by this ticket
}).
-define(DEFAULT_DEPTH, 10).
-define(DEFAULT_OCSP_STAPLING, false).
-define(DEFAULT_OCSP_NONCE, true).
-define(DEFAULT_OCSP_RESPONDER_CERTS, []).
-endif. % -ifdef(ssl_internal).
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