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-rw-r--r--lib/ssl/src/ssl.erl76
-rw-r--r--lib/ssl/src/ssl_certificate.erl39
-rw-r--r--lib/ssl/src/ssl_connection.erl3
-rw-r--r--lib/ssl/src/ssl_handshake.erl131
-rw-r--r--lib/ssl/src/ssl_session.erl4
5 files changed, 125 insertions, 128 deletions
diff --git a/lib/ssl/src/ssl.erl b/lib/ssl/src/ssl.erl
index 90bb50fdcb..dbc5faff14 100644
--- a/lib/ssl/src/ssl.erl
+++ b/lib/ssl/src/ssl.erl
@@ -523,55 +523,55 @@ old_listen(Port, Options) ->
{ok, Pid} = ssl_broker:start_broker(listener),
ssl_broker:listen(Pid, Port, Options).
-handle_options(Opts0, Role) ->
+handle_options(Opts0, _Role) ->
Opts = proplists:expand([{binary, [{mode, binary}]},
{list, [{mode, list}]}], Opts0),
ReuseSessionFun = fun(_, _, _, _) -> true end,
- AcceptBadCa = fun({bad_cert,unknown_ca}, Acc) -> Acc;
- (Other, Acc) -> [Other | Acc]
- end,
-
- VerifyFun =
- fun(ErrorList) ->
- case lists:foldl(AcceptBadCa, [], ErrorList) of
- [] -> true;
- [_|_] -> false
- end
- end,
-
- UserFailIfNoPeerCert = validate_option(fail_if_no_peer_cert,
- proplists:get_value(fail_if_no_peer_cert, Opts, false)),
+ VerifyNoneFun =
+ {fun(_,{bad_cert, unknown_ca}, UserState) ->
+ {valid, UserState};
+ (_,{bad_cert, _} = Reason, _) ->
+ {fail, Reason};
+ (_,{extension, _}, UserState) ->
+ {unknown, UserState}
+ end, []},
+
+ UserFailIfNoPeerCert = handle_option(fail_if_no_peer_cert, Opts, false),
+ UserVerifyFun = handle_option(verify_fun, Opts, undefined),
CaCerts = handle_option(cacerts, Opts, undefined),
- {Verify, FailIfNoPeerCert, CaCertDefault} =
+ {Verify, FailIfNoPeerCert, CaCertDefault, VerifyFun} =
%% Handle 0, 1, 2 for backwards compatibility
case proplists:get_value(verify, Opts, verify_none) of
0 ->
- {verify_none, false, ca_cert_default(verify_none, Role, CaCerts)};
+ {verify_none, false,
+ ca_cert_default(verify_none, VerifyNoneFun, CaCerts), VerifyNoneFun};
1 ->
- {verify_peer, false, ca_cert_default(verify_peer, Role, CaCerts)};
+ {verify_peer, false,
+ ca_cert_default(verify_peer, UserVerifyFun, CaCerts), UserVerifyFun};
2 ->
- {verify_peer, true, ca_cert_default(verify_peer, Role, CaCerts)};
+ {verify_peer, true,
+ ca_cert_default(verify_peer, UserVerifyFun, CaCerts), UserVerifyFun};
verify_none ->
- {verify_none, false, ca_cert_default(verify_none, Role, CaCerts)};
+ {verify_none, false,
+ ca_cert_default(verify_none, VerifyNoneFun, CaCerts), VerifyNoneFun};
verify_peer ->
{verify_peer, UserFailIfNoPeerCert,
- ca_cert_default(verify_peer, Role, CaCerts)};
+ ca_cert_default(verify_peer, UserVerifyFun, CaCerts), UserVerifyFun};
Value ->
throw({error, {eoptions, {verify, Value}}})
- end,
+ end,
CertFile = handle_option(certfile, Opts, ""),
SSLOptions = #ssl_options{
versions = handle_option(versions, Opts, []),
verify = validate_option(verify, Verify),
- verify_fun = handle_option(verify_fun, Opts, VerifyFun),
+ verify_fun = VerifyFun,
fail_if_no_peer_cert = FailIfNoPeerCert,
verify_client_once = handle_option(verify_client_once, Opts, false),
- validate_extensions_fun = handle_option(validate_extensions_fun, Opts, undefined),
depth = handle_option(depth, Opts, 1),
cert = handle_option(cert, Opts, undefined),
certfile = CertFile,
@@ -591,7 +591,7 @@ handle_options(Opts0, Role) ->
},
CbInfo = proplists:get_value(cb_info, Opts, {gen_tcp, tcp, tcp_closed, tcp_error}),
- SslOptions = [versions, verify, verify_fun, validate_extensions_fun,
+ SslOptions = [versions, verify, verify_fun,
fail_if_no_peer_cert, verify_client_once,
depth, cert, certfile, key, keyfile,
password, cacerts, cacertfile, dhfile, ciphers,
@@ -618,7 +618,21 @@ validate_option(ssl_imp, Value) when Value == new; Value == old ->
validate_option(verify, Value)
when Value == verify_none; Value == verify_peer ->
Value;
-validate_option(verify_fun, Value) when is_function(Value) ->
+validate_option(verify_fun, undefined) ->
+ undefined;
+%% Backwards compatibility
+validate_option(verify_fun, Fun) when is_function(Fun) ->
+ {fun(_,{bad_cert, _} = Reason, OldFun) ->
+ case OldFun([Reason]) of
+ true ->
+ {valid, OldFun};
+ false ->
+ {fail, Reason}
+ end;
+ (_,{extension, _}, UserState) ->
+ {unknown, UserState}
+ end, Fun};
+validate_option(verify_fun, {Fun, _} = Value) when is_function(Fun) ->
Value;
validate_option(fail_if_no_peer_cert, Value)
when Value == true; Value == false ->
@@ -626,9 +640,6 @@ validate_option(fail_if_no_peer_cert, Value)
validate_option(verify_client_once, Value)
when Value == true; Value == false ->
Value;
-
-validate_option(validate_extensions_fun, Value) when Value == undefined; is_function(Value) ->
- Value;
validate_option(depth, Value) when is_integer(Value),
Value >= 0, Value =< 255->
Value;
@@ -720,12 +731,11 @@ ca_cert_default(_,_, [_|_]) ->
undefined;
ca_cert_default(verify_none, _, _) ->
undefined;
-%% Client may leave verification up to the user
-ca_cert_default(verify_peer, client,_) ->
+ca_cert_default(verify_peer, {Fun,_}, _) when is_function(Fun) ->
undefined;
-%% Server that wants to verify_peer must have
+%% Server that wants to verify_peer and has no verify_fun must have
%% some trusted certs.
-ca_cert_default(verify_peer, server, _) ->
+ca_cert_default(verify_peer, undefined, _) ->
"".
emulated_options() ->
diff --git a/lib/ssl/src/ssl_certificate.erl b/lib/ssl/src/ssl_certificate.erl
index 5026c760bd..6cf57ced81 100644
--- a/lib/ssl/src/ssl_certificate.erl
+++ b/lib/ssl/src/ssl_certificate.erl
@@ -34,7 +34,8 @@
-export([trusted_cert_and_path/2,
certificate_chain/2,
file_to_certificats/1,
- validate_extensions/6,
+ %validate_extensions/6,
+ validate_extension/3,
is_valid_extkey_usage/2,
is_valid_key_usage/2,
select_extension/2,
@@ -110,32 +111,25 @@ file_to_certificats(File) ->
{ok, List} = ssl_manager:cache_pem_file(File),
[Bin || {'Certificate', Bin, not_encrypted} <- List].
%%--------------------------------------------------------------------
--spec validate_extensions([#'Extension'{}], term(), [#'Extension'{}],
- boolean(), list(), client | server) -> {[#'Extension'{}], term(), list()}.
+-spec validate_extension(term(), #'Extension'{}, term()) -> {valid, term()} |
+ {fail, tuple()} |
+ {unknown, term()}.
%%
%% Description: Validates ssl/tls specific extensions
%%--------------------------------------------------------------------
-validate_extensions([], ValidationState, UnknownExtensions, _, AccErr, _) ->
- {UnknownExtensions, ValidationState, AccErr};
-
-validate_extensions([#'Extension'{extnID = ?'id-ce-extKeyUsage',
- extnValue = KeyUse,
- critical = true} | Rest],
- ValidationState, UnknownExtensions, Verify, AccErr0, Role) ->
+validate_extension(_,{extension, #'Extension'{extnID = ?'id-ce-extKeyUsage',
+ extnValue = KeyUse,
+ critical = true}}, Role) ->
case is_valid_extkey_usage(KeyUse, Role) of
true ->
- validate_extensions(Rest, ValidationState, UnknownExtensions,
- Verify, AccErr0, Role);
+ {valid, Role};
false ->
- AccErr =
- not_valid_extension({bad_cert, invalid_ext_key_usage}, Verify, AccErr0),
- validate_extensions(Rest, ValidationState, UnknownExtensions, Verify, AccErr, Role)
+ {fail, {bad_cert, invalid_ext_key_usage}}
end;
-
-validate_extensions([Extension | Rest], ValidationState, UnknownExtensions,
- Verify, AccErr, Role) ->
- validate_extensions(Rest, ValidationState, [Extension | UnknownExtensions],
- Verify, AccErr, Role).
+validate_extension(_, {bad_cert, _} = Reason, _) ->
+ {fail, Reason};
+validate_extension(_, _, Role) ->
+ {unknown, Role}.
%%--------------------------------------------------------------------
-spec is_valid_key_usage(list(), term()) -> boolean().
@@ -248,8 +242,3 @@ is_valid_extkey_usage(KeyUse, client) ->
is_valid_extkey_usage(KeyUse, server) ->
%% Server wants to verify client
is_valid_key_usage(KeyUse, ?'id-kp-clientAuth').
-
-not_valid_extension(Error, true, _) ->
- throw(Error);
-not_valid_extension(Error, false, AccErrors) ->
- [Error | AccErrors].
diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl
index c004effb85..7689976ff6 100644
--- a/lib/ssl/src/ssl_connection.erl
+++ b/lib/ssl/src/ssl_connection.erl
@@ -500,8 +500,7 @@ certify(#certificate{} = Cert,
ssl_options = Opts} = State) ->
case ssl_handshake:certify(Cert, CertDbRef, Opts#ssl_options.depth,
Opts#ssl_options.verify,
- Opts#ssl_options.verify_fun,
- Opts#ssl_options.validate_extensions_fun, Role) of
+ Opts#ssl_options.verify_fun, Role) of
{PeerCert, PublicKeyInfo} ->
handle_peer_cert(PeerCert, PublicKeyInfo,
State#state{client_certificate_requested = false});
diff --git a/lib/ssl/src/ssl_handshake.erl b/lib/ssl/src/ssl_handshake.erl
index add5147fb4..99bc47f04b 100644
--- a/lib/ssl/src/ssl_handshake.erl
+++ b/lib/ssl/src/ssl_handshake.erl
@@ -32,15 +32,13 @@
-include_lib("public_key/include/public_key.hrl").
-export([master_secret/4, client_hello/5, server_hello/4, hello/4,
- hello_request/0, certify/7, certificate/3,
- client_certificate_verify/6,
- certificate_verify/6, certificate_request/2,
- key_exchange/2, server_key_exchange_hash/2, finished/4,
- verify_connection/5,
- get_tls_handshake/2, decode_client_key/3,
- server_hello_done/0, sig_alg/1,
- encode_handshake/3, init_hashes/0,
- update_hashes/2, decrypt_premaster_secret/2]).
+ hello_request/0, certify/6, certificate/3,
+ client_certificate_verify/6, certificate_verify/6,
+ certificate_request/2, key_exchange/2, server_key_exchange_hash/2,
+ finished/4, verify_connection/5, get_tls_handshake/2,
+ decode_client_key/3, server_hello_done/0, sig_alg/1,
+ encode_handshake/3, init_hashes/0, update_hashes/2,
+ decrypt_premaster_secret/2]).
-type tls_handshake() :: #client_hello{} | #server_hello{} |
#server_hello_done{} | #certificate{} | #certificate_request{} |
@@ -177,59 +175,55 @@ hello(#client_hello{client_version = ClientVersion, random = Random,
%%--------------------------------------------------------------------
-spec certify(#certificate{}, term(), integer() | nolimit,
- verify_peer | verify_none, fun(), fun(),
+ verify_peer | verify_none, {fun(), term},
client | server) -> {der_cert(), public_key_info()} | #alert{}.
%%
%% Description: Handles a certificate handshake message
%%--------------------------------------------------------------------
-certify(#certificate{asn1_certificates = ASN1Certs}, CertDbRef,
- MaxPathLen, Verify, VerifyFun, ValidateFun, Role) ->
+certify(#certificate{asn1_certificates = ASN1Certs}, CertDbRef,
+ MaxPathLen, _Verify, VerifyFunAndState, Role) ->
[PeerCert | _] = ASN1Certs,
- VerifyBool = verify_bool(Verify),
- ValidateExtensionFun =
- case ValidateFun of
+ ValidationFunAndState =
+ case VerifyFunAndState of
undefined ->
- fun(Extensions, ValidationState, Verify0, AccError) ->
- ssl_certificate:validate_extensions(Extensions, ValidationState,
- [], Verify0, AccError, Role)
- end;
- Fun ->
- fun(Extensions, ValidationState, Verify0, AccError) ->
- {NewExtensions, NewValidationState, NewAccError}
- = ssl_certificate:validate_extensions(Extensions, ValidationState,
- [], Verify0, AccError, Role),
- Fun(NewExtensions, NewValidationState, Verify0, NewAccError)
- end
+ {fun(OtpCert, ExtensionOrError, SslState) ->
+ ssl_certificate:validate_extension(OtpCert,
+ ExtensionOrError, SslState)
+ end, Role};
+ {Fun, UserState0} ->
+ {fun(OtpCert, ExtensionOrError, {SslState, UserState}) ->
+ case ssl_certificate:validate_extension(OtpCert,
+ ExtensionOrError,
+ SslState) of
+ {valid, _} ->
+ apply_user_fun(Fun, OtpCert,
+ ExtensionOrError, UserState,
+ SslState);
+ {fail, Reason} ->
+ apply_user_fun(Fun, OtpCert, Reason, UserState,
+ SslState);
+ {unknown, _} ->
+ apply_user_fun(Fun, OtpCert,
+ ExtensionOrError, UserState, SslState)
+ end
+ end, {Role, UserState0}}
end,
- try
- ssl_certificate:trusted_cert_and_path(ASN1Certs, CertDbRef) of
- {TrustedErlCert, CertPath} ->
- Result = public_key:pkix_path_validation(TrustedErlCert,
- CertPath,
- [{max_path_length,
- MaxPathLen},
- {verify, VerifyBool},
- {validate_extensions_fun,
- ValidateExtensionFun}]),
- case Result of
- {error, Reason} ->
- path_validation_alert(Reason, Verify);
- {ok, {PublicKeyInfo,_, []}} ->
- {PeerCert, PublicKeyInfo};
- {ok, {PublicKeyInfo,_, AccErrors = [Error | _]}} ->
- case VerifyFun(AccErrors) of
- true ->
- {PeerCert, PublicKeyInfo};
- false ->
- path_validation_alert(Error, Verify)
- end
- end
- catch
- throw:Alert ->
- Alert
+
+ {TrustedErlCert, CertPath} =
+ ssl_certificate:trusted_cert_and_path(ASN1Certs, CertDbRef),
+
+ case public_key:pkix_path_validation(TrustedErlCert,
+ CertPath,
+ [{max_path_length,
+ MaxPathLen},
+ {verify_fun, ValidationFunAndState}]) of
+ {ok, {PublicKeyInfo,_}} ->
+ {PeerCert, PublicKeyInfo};
+ {error, Reason} ->
+ path_validation_alert(Reason)
end.
-
+
%%--------------------------------------------------------------------
-spec certificate(der_cert(), term(), client | server) -> #certificate{} | #alert{}.
%%
@@ -490,26 +484,21 @@ get_tls_handshake_aux(<<?BYTE(Type), ?UINT24(Length),
get_tls_handshake_aux(Data, Acc) ->
{lists:reverse(Acc), Data}.
-verify_bool(verify_peer) ->
- true;
-verify_bool(verify_none) ->
- false.
-
-path_validation_alert({bad_cert, cert_expired}, _) ->
+path_validation_alert({bad_cert, cert_expired}) ->
?ALERT_REC(?FATAL, ?CERTIFICATE_EXPIRED);
-path_validation_alert({bad_cert, invalid_issuer}, _) ->
+path_validation_alert({bad_cert, invalid_issuer}) ->
?ALERT_REC(?FATAL, ?BAD_CERTIFICATE);
-path_validation_alert({bad_cert, invalid_signature} , _) ->
+path_validation_alert({bad_cert, invalid_signature}) ->
?ALERT_REC(?FATAL, ?BAD_CERTIFICATE);
-path_validation_alert({bad_cert, name_not_permitted}, _) ->
+path_validation_alert({bad_cert, name_not_permitted}) ->
?ALERT_REC(?FATAL, ?BAD_CERTIFICATE);
-path_validation_alert({bad_cert, unknown_critical_extension}, _) ->
+path_validation_alert({bad_cert, unknown_critical_extension}) ->
?ALERT_REC(?FATAL, ?UNSUPPORTED_CERTIFICATE);
-path_validation_alert({bad_cert, cert_revoked}, _) ->
+path_validation_alert({bad_cert, cert_revoked}) ->
?ALERT_REC(?FATAL, ?CERTIFICATE_REVOKED);
-path_validation_alert({bad_cert, unknown_ca}, _) ->
+path_validation_alert({bad_cert, unknown_ca}) ->
?ALERT_REC(?FATAL, ?UNKNOWN_CA);
-path_validation_alert(_, _) ->
+path_validation_alert(_) ->
?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE).
select_session(Hello, Port, Session, Version,
@@ -1132,3 +1121,13 @@ key_exchange_alg(Alg) when Alg == dhe_rsa; Alg == dhe_dss;
?KEY_EXCHANGE_DIFFIE_HELLMAN;
key_exchange_alg(_) ->
?NULL.
+
+apply_user_fun(Fun, OtpCert, ExtensionOrError, UserState0, SslState) ->
+ case Fun(OtpCert, ExtensionOrError, UserState0) of
+ {valid, UserState} ->
+ {valid, {SslState, UserState}};
+ {fail, _} = Fail ->
+ Fail;
+ {unknown, UserState} ->
+ {unknown, {SslState, UserState}}
+ end.
diff --git a/lib/ssl/src/ssl_session.erl b/lib/ssl/src/ssl_session.erl
index 6db13e5b7a..25e7445180 100644
--- a/lib/ssl/src/ssl_session.erl
+++ b/lib/ssl/src/ssl_session.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2007-2009. All Rights Reserved.
+%% Copyright Ericsson AB 2007-2010. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -113,7 +113,7 @@ select_session(Sessions, #ssl_options{ciphers = Ciphers,
List ->
hd(List)
end.
-
+
%% If we can not generate a not allready in use session ID in
%% ?GEN_UNIQUE_ID_MAX_TRIES we make the new session uncacheable The
%% value of ?GEN_UNIQUE_ID_MAX_TRIES is stolen from open SSL which