From 972f9121311efcfb50db727ab3e930ebc95ab314 Mon Sep 17 00:00:00 2001 From: Ingela Anderton Andin Date: Fri, 16 Jun 2017 11:11:44 +0200 Subject: ssl: Enhance error logging --- lib/ssl/src/dtls_connection.erl | 5 ++- lib/ssl/src/ssl_alert.erl | 76 ++++++++++++++++++++--------------------- lib/ssl/src/ssl_alert.hrl | 1 + lib/ssl/src/ssl_connection.erl | 34 +++++++++--------- lib/ssl/src/tls_connection.erl | 6 ++-- 5 files changed, 65 insertions(+), 57 deletions(-) (limited to 'lib') diff --git a/lib/ssl/src/dtls_connection.erl b/lib/ssl/src/dtls_connection.erl index e8cfbbe2e3..b6aafc3fa4 100644 --- a/lib/ssl/src/dtls_connection.erl +++ b/lib/ssl/src/dtls_connection.erl @@ -48,7 +48,7 @@ select_sni_extension/1]). %% Alert and close handling --export([encode_alert/3,send_alert/2, close/5]). +-export([encode_alert/3,send_alert/2, close/5, protocol_name/0]). %% Data handling @@ -208,6 +208,9 @@ setopts(Transport, Socket, Other) -> getopts(Transport, Socket, Tag) -> dtls_socket:getopts(Transport, Socket, Tag). +protocol_name() -> + "DTLS". + %%==================================================================== %% tls_connection_sup API %%==================================================================== diff --git a/lib/ssl/src/ssl_alert.erl b/lib/ssl/src/ssl_alert.erl index 696a55e4b9..b923785e17 100644 --- a/lib/ssl/src/ssl_alert.erl +++ b/lib/ssl/src/ssl_alert.erl @@ -57,16 +57,16 @@ decode(Bin) -> reason_code(#alert{description = ?CLOSE_NOTIFY}, _) -> closed; reason_code(#alert{description = Description}, _) -> - {tls_alert, description_txt(Description)}. + {tls_alert, string:to_lower(description_txt(Description))}. %%-------------------------------------------------------------------- -spec alert_txt(#alert{}) -> string(). %% %% Description: Returns the error string for given alert. %%-------------------------------------------------------------------- -alert_txt(#alert{level = Level, description = Description, where = {Mod,Line}, reason = undefined}) -> - Mod ++ ":" ++ integer_to_list(Line) ++ ":" ++ - level_txt(Level) ++" "++ description_txt(Description); +alert_txt(#alert{level = Level, description = Description, where = {Mod,Line}, reason = undefined, role = Role}) -> + "at " ++ Mod ++ ":" ++ integer_to_list(Line) ++ " " ++ string:to_upper(atom_to_list(Role)) ++ " ALERT: " ++ + level_txt(Level) ++ description_txt(Description); alert_txt(#alert{reason = Reason} = Alert) -> BaseTxt = alert_txt(Alert#alert{reason = undefined}), FormatDepth = 9, % Some limit on printed representation of an error @@ -93,73 +93,73 @@ decode(<<>>, Acc, _) -> lists:reverse(Acc, []). level_txt(?WARNING) -> - "Warning:"; + "Warning - "; level_txt(?FATAL) -> - "Fatal error:". + "Fatal - ". description_txt(?CLOSE_NOTIFY) -> - "close notify"; + "Close Notify"; description_txt(?UNEXPECTED_MESSAGE) -> - "unexpected message"; + "Unexpected Message"; description_txt(?BAD_RECORD_MAC) -> - "bad record mac"; + "Bad Record MAC"; description_txt(?DECRYPTION_FAILED) -> - "decryption failed"; + "Decryption Failed"; description_txt(?RECORD_OVERFLOW) -> - "record overflow"; + "Record Overflow"; description_txt(?DECOMPRESSION_FAILURE) -> - "decompression failure"; + "Decompression Failure"; description_txt(?HANDSHAKE_FAILURE) -> - "handshake failure"; + "Handshake Failure"; description_txt(?NO_CERTIFICATE_RESERVED) -> - "No certificate reserved"; + "No Certificate Reserved"; description_txt(?BAD_CERTIFICATE) -> - "bad certificate"; + "Bad Certificate"; description_txt(?UNSUPPORTED_CERTIFICATE) -> - "unsupported certificate"; + "Unsupported Certificate"; description_txt(?CERTIFICATE_REVOKED) -> - "certificate revoked"; + "Certificate Revoked"; description_txt(?CERTIFICATE_EXPIRED) -> - "certificate expired"; + "Certificate Expired"; description_txt(?CERTIFICATE_UNKNOWN) -> - "certificate unknown"; + "Certificate Unknown"; description_txt(?ILLEGAL_PARAMETER) -> - "illegal parameter"; + "Illegal Parameter"; description_txt(?UNKNOWN_CA) -> - "unknown ca"; + "Unknown CA"; description_txt(?ACCESS_DENIED) -> - "access denied"; + "Access Denied"; description_txt(?DECODE_ERROR) -> - "decode error"; + "Decode Error"; description_txt(?DECRYPT_ERROR) -> - "decrypt error"; + "Decrypt Error"; description_txt(?EXPORT_RESTRICTION) -> - "export restriction"; + "Export Restriction"; description_txt(?PROTOCOL_VERSION) -> - "protocol version"; + "Protocol Version"; description_txt(?INSUFFICIENT_SECURITY) -> - "insufficient security"; + "Insufficient Security"; description_txt(?INTERNAL_ERROR) -> - "internal error"; + "Internal Error"; description_txt(?USER_CANCELED) -> - "user canceled"; + "User Canceled"; description_txt(?NO_RENEGOTIATION) -> - "no renegotiation"; + "No Renegotiation"; description_txt(?UNSUPPORTED_EXTENSION) -> - "unsupported extension"; + "Unsupported Extension"; description_txt(?CERTIFICATE_UNOBTAINABLE) -> - "certificate unobtainable"; + "Certificate Unobtainable"; description_txt(?UNRECOGNISED_NAME) -> - "unrecognised name"; + "Unrecognised Name"; description_txt(?BAD_CERTIFICATE_STATUS_RESPONSE) -> - "bad certificate status response"; + "Bad Certificate Status Response"; description_txt(?BAD_CERTIFICATE_HASH_VALUE) -> - "bad certificate hash value"; + "Bad Certificate Hash Value"; description_txt(?UNKNOWN_PSK_IDENTITY) -> - "unknown psk identity"; + "Unknown Psk Identity"; description_txt(?INAPPROPRIATE_FALLBACK) -> - "inappropriate fallback"; + "Inappropriate Fallback"; description_txt(?NO_APPLICATION_PROTOCOL) -> - "no application protocol"; + "No application protocol"; description_txt(Enum) -> lists:flatten(io_lib:format("unsupported/unknown alert: ~p", [Enum])). diff --git a/lib/ssl/src/ssl_alert.hrl b/lib/ssl/src/ssl_alert.hrl index f3743ba0f0..1aabb6c55a 100644 --- a/lib/ssl/src/ssl_alert.hrl +++ b/lib/ssl/src/ssl_alert.hrl @@ -118,6 +118,7 @@ level, description, where = {?FILE, ?LINE}, + role, reason }). -endif. % -ifdef(ssl_alert). diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl index fb87662c7b..0163d08f2a 100644 --- a/lib/ssl/src/ssl_connection.erl +++ b/lib/ssl/src/ssl_connection.erl @@ -1143,7 +1143,7 @@ handle_alert(#alert{level = ?FATAL} = Alert, StateName, port = Port, session = Session, user_application = {_Mon, Pid}, role = Role, socket_options = Opts, tracker = Tracker}) -> invalidate_session(Role, Host, Port, Session), - log_alert(SslOpts#ssl_options.log_alert, StateName, Alert), + log_alert(SslOpts#ssl_options.log_alert, Connection:protocol_name(), StateName, Alert#alert{role = opposite_role(Role)}), alert_user(Transport, Tracker, Socket, StateName, Opts, Pid, From, Alert, Role, Connection), {stop, normal}; @@ -1153,15 +1153,16 @@ handle_alert(#alert{level = ?WARNING, description = ?CLOSE_NOTIFY} = Alert, {stop, {shutdown, peer_close}}; handle_alert(#alert{level = ?WARNING, description = ?NO_RENEGOTIATION} = Alert, StateName, - #state{ssl_options = SslOpts, renegotiation = {true, internal}} = State) -> - log_alert(SslOpts#ssl_options.log_alert, StateName, Alert), + #state{role = Role, ssl_options = SslOpts, protocol_cb = Connection, renegotiation = {true, internal}} = State) -> + log_alert(SslOpts#ssl_options.log_alert, Connection:protocol_name(), StateName, Alert#alert{role = opposite_role(Role)}), handle_normal_shutdown(Alert, StateName, State), {stop, {shutdown, peer_close}}; handle_alert(#alert{level = ?WARNING, description = ?NO_RENEGOTIATION} = Alert, StateName, - #state{ssl_options = SslOpts, renegotiation = {true, From}, + #state{role = Role, + ssl_options = SslOpts, renegotiation = {true, From}, protocol_cb = Connection} = State0) -> - log_alert(SslOpts#ssl_options.log_alert, StateName, Alert), + log_alert(SslOpts#ssl_options.log_alert, Connection:protocol_name(), StateName, Alert#alert{role = opposite_role(Role)}), gen_statem:reply(From, {error, renegotiation_rejected}), {Record, State} = Connection:next_record(State0), %% Go back to connection! @@ -1169,8 +1170,8 @@ handle_alert(#alert{level = ?WARNING, description = ?NO_RENEGOTIATION} = Alert, %% Gracefully log and ignore all other warning alerts handle_alert(#alert{level = ?WARNING} = Alert, StateName, - #state{ssl_options = SslOpts, protocol_cb = Connection} = State0) -> - log_alert(SslOpts#ssl_options.log_alert, StateName, Alert), + #state{ssl_options = SslOpts, protocol_cb = Connection, role = Role} = State0) -> + log_alert(SslOpts#ssl_options.log_alert, Connection:protocol_name(), StateName, Alert#alert{role = opposite_role(Role)}), {Record, State} = Connection:next_record(State0), Connection:next_event(StateName, Record, State). @@ -2370,18 +2371,19 @@ alert_user(Transport, Tracker, Socket, Active, Pid, From, Alert, Role, Connectio Transport, Socket, Connection, Tracker), ReasonCode}) end. -log_alert(true, Info, Alert) -> +log_alert(true, ProtocolName, StateName, Alert) -> Txt = ssl_alert:alert_txt(Alert), - error_logger:format("SSL: ~p: ~s\n", [Info, Txt]); -log_alert(false, _, _) -> + error_logger:format("~s: In state ~p ~s\n", [ProtocolName, StateName, Txt]); +log_alert(false, _, _, _) -> ok. handle_own_alert(Alert, Version, StateName, - #state{transport_cb = Transport, - socket = Socket, - protocol_cb = Connection, - connection_states = ConnectionStates, - ssl_options = SslOpts} = State) -> + #state{role = Role, + transport_cb = Transport, + socket = Socket, + protocol_cb = Connection, + connection_states = ConnectionStates, + ssl_options = SslOpts} = State) -> try %% Try to tell the other side {BinMsg, _} = Connection:encode_alert(Alert, Version, ConnectionStates), @@ -2390,7 +2392,7 @@ handle_own_alert(Alert, Version, StateName, ignore end, try %% Try to tell the local user - log_alert(SslOpts#ssl_options.log_alert, StateName, Alert), + log_alert(SslOpts#ssl_options.log_alert, Connection:protocol_name(), StateName, Alert#alert{role = Role}), handle_normal_shutdown(Alert,StateName, State) catch _:_ -> ok diff --git a/lib/ssl/src/tls_connection.erl b/lib/ssl/src/tls_connection.erl index 352874c77d..e3ffbea3d3 100644 --- a/lib/ssl/src/tls_connection.erl +++ b/lib/ssl/src/tls_connection.erl @@ -56,7 +56,7 @@ reinit_handshake_data/1, select_sni_extension/1]). %% Alert and close handling --export([send_alert/2, close/5]). +-export([send_alert/2, close/5, protocol_name/0]). %% Data handling -export([passive_receive/2, next_record_if_active/1, handle_common_event/4, send/3, @@ -164,6 +164,8 @@ encode_data(Data, Version, ConnectionStates0)-> encode_alert(#alert{} = Alert, Version, ConnectionStates) -> tls_record:encode_alert_record(Alert, Version, ConnectionStates). +protocol_name() -> + "TLS". %%==================================================================== %% tls_connection_sup API %%==================================================================== @@ -719,7 +721,7 @@ close(downgrade, _,_,_,_) -> %% Other close(_, Socket, Transport, _,_) -> Transport:close(Socket). - + convert_state(#state{ssl_options = Options} = State, up, "5.3.5", "5.3.6") -> State#state{ssl_options = convert_options_partial_chain(Options, up)}; convert_state(#state{ssl_options = Options} = State, down, "5.3.6", "5.3.5") -> -- cgit v1.2.3 From 3514f176a55db0c9052c3857c6fcba35726945dc Mon Sep 17 00:00:00 2001 From: Ingela Anderton Andin Date: Fri, 16 Jun 2017 15:38:06 +0200 Subject: ssl,public_key: Provide details for CRL check failiures when revokation state can not be determined --- lib/public_key/doc/src/public_key.xml | 16 ++++++++++++---- lib/public_key/include/public_key.hrl | 3 ++- lib/public_key/src/pubkey_crl.erl | 35 +++++++++++++++++++++-------------- lib/public_key/src/public_key.erl | 29 ++++++++++++++++++++++------- lib/ssl/src/ssl_handshake.erl | 14 +++++++++----- 5 files changed, 66 insertions(+), 31 deletions(-) (limited to 'lib') diff --git a/lib/public_key/doc/src/public_key.xml b/lib/public_key/doc/src/public_key.xml index 04966ffb9c..8d4191d112 100644 --- a/lib/public_key/doc/src/public_key.xml +++ b/lib/public_key/doc/src/public_key.xml @@ -621,8 +621,8 @@ fun(OtpCert :: #'OTPCertificate'{}, OTPCertificate = #'OTPCertificate'{} DPAndCRLs = [{DP::#'DistributionPoint'{}, {DerCRL::der_encoded(), CRL::#'CertificateList'{}}}] Options = proplists:proplist() - CRLStatus() = valid | {bad_cert, revocation_status_undetermined} | - {bad_cert, {revoked, crl_reason()}} + CRLStatus() = valid | {bad_cert, revocation_status_undetermined} | {bad_cert, {revocation_status_undetermined, + {bad_crls, Details::term()}}} | {bad_cert, {revoked, crl_reason()}}

Performs CRL validation. It is intended to be called from @@ -650,7 +650,7 @@ fun(OtpCert :: #'OTPCertificate'{}, {issuer_fun, fun()}

The fun has the following type specification:

- + fun(#'DistributionPoint'{}, #'CertificateList'{}, {rdnSequence,[#'AttributeTypeAndValue'{}]}, term()) -> @@ -660,7 +660,15 @@ fun(#'DistributionPoint'{}, #'CertificateList'{}, that has signed the CRL.

fun(DP, CRL, Issuer, UserState) -> {ok, RootCert, CertChain} - + + + {undetermined_details, boolean()} + +

Defaults to false. When revocation status can not be + determined, and this option is set to true, details of why no + CRLs where accepted are included in the return value.

+ + diff --git a/lib/public_key/include/public_key.hrl b/lib/public_key/include/public_key.hrl index a1e7dd31bc..663e1856ac 100644 --- a/lib/public_key/include/public_key.hrl +++ b/lib/public_key/include/public_key.hrl @@ -70,7 +70,8 @@ reasons_mask, cert_status, interim_reasons_mask, - valid_ext + valid_ext, + details }). -record('ECPoint', { diff --git a/lib/public_key/src/pubkey_crl.erl b/lib/public_key/src/pubkey_crl.erl index 33bef91827..3621e9c0da 100644 --- a/lib/public_key/src/pubkey_crl.erl +++ b/lib/public_key/src/pubkey_crl.erl @@ -58,7 +58,8 @@ validate(OtpCert, OtherDPCRLs, DP, {DerCRL, CRL}, {DerDeltaCRL, DeltaCRL}, init_revokation_state() -> #revoke_state{reasons_mask = sets:new(), interim_reasons_mask = sets:new(), - cert_status = unrevoked}. + cert_status = unrevoked, + details = []}. fresh_crl(_, {undefined, undefined}, _) -> %% Typically happens when there is no delta CRL that covers a CRL @@ -152,9 +153,10 @@ verify_crl(OtpCert, DP, CRL, DerCRL, DeltaCRL, DerDeltaCRL, OtherDPCRLs, RevokedState, CRL, DerCRL, DeltaCRL, DerDeltaCRL, IssuerFun, TrustedOtpCert, Path, OtherDPCRLs, IDP); - _ -> - {invalid, State0#revoke_state{valid_ext = ValidExt}} - end; + _ -> + Details = RevokedState#revoke_state.details, + {invalid, RevokedState#revoke_state{valid_ext = ValidExt, details = [{{bad_crl, no_issuer_cert_chain}, CRL} | Details]}} + end; {error, issuer_not_found} -> case Fun(DP, CRL, issuer_not_found, AdditionalArgs) of {ok, TrustedOtpCert, Path} -> @@ -163,13 +165,16 @@ verify_crl(OtpCert, DP, CRL, DerCRL, DeltaCRL, DerDeltaCRL, OtherDPCRLs, DerDeltaCRL, IssuerFun, TrustedOtpCert, Path, OtherDPCRLs, IDP); _ -> - {invalid, {skip, State0}} - end + Details = State0#revoke_state.details, + {invalid, {skip, State0#revoke_state{details = [{{bad_crl, no_issuer_cert_chain}, CRL} | Details] }}} + end catch - throw:{bad_crl, invalid_issuer} -> - {invalid, {skip, State0}}; - throw:_ -> - {invalid, State0#revoke_state{valid_ext = ValidExt}} + throw:{bad_crl, invalid_issuer} = Reason -> + Details = RevokedState#revoke_state.details, + {invalid, {skip, RevokedState#revoke_state{details = [{Reason, CRL} | Details]}}}; + throw:Reason -> + Details = RevokedState#revoke_state.details, + {invalid, RevokedState#revoke_state{details = [{Reason, CRL} | Details]}} end. verify_mask_and_signatures(Revoked, DeltaRevoked, RevokedState, CRL, DerCRL, DeltaCRL, DerDeltaCRL, @@ -183,10 +188,12 @@ verify_mask_and_signatures(Revoked, DeltaRevoked, RevokedState, CRL, DerCRL, Del TrustedOtpCert, Path, IssuerFun, OtherDPCRLs, IDP), {valid, Revoked, DeltaRevoked, RevokedState#revoke_state{reasons_mask = ReasonsMask}, IDP} catch - throw:_ -> - {invalid, RevokedState}; + throw:Reason -> + Details = RevokedState#revoke_state.details, + {invalid, RevokedState#revoke_state{details = [{Reason, CRL} | Details]}}; error:{badmatch, _} -> - {invalid, RevokedState} + Details = RevokedState#revoke_state.details, + {invalid, RevokedState#revoke_state{details = [{{bad_crl, invalid_signature}, CRL} | Details]}} end. @@ -356,7 +363,7 @@ verify_scope(#'OTPCertificate'{tbsCertificate = TBSCert}, #'DistributionPoint'{c verify_scope(DPName, IDPName, Names, TBSCert, IDP). verify_scope(asn1_NOVALUE, _, asn1_NOVALUE, _, _) -> - throw({bad_crl, scope_error1}); + throw({bad_crl, scope_error}); verify_scope(asn1_NOVALUE, IDPName, DPIssuerNames, TBSCert, IDP) -> verify_dp_name(IDPName, DPIssuerNames), verify_dp_bools(TBSCert, IDP); diff --git a/lib/public_key/src/public_key.erl b/lib/public_key/src/public_key.erl index 6651e9510e..341118e5a2 100644 --- a/lib/public_key/src/public_key.erl +++ b/lib/public_key/src/public_key.erl @@ -789,8 +789,9 @@ pkix_path_validation(#'OTPCertificate'{} = TrustedCert, CertChain, Options) %-------------------------------------------------------------------- -spec pkix_crls_validate(#'OTPCertificate'{}, [{DP::#'DistributionPoint'{}, {DerCRL::binary(), CRL::#'CertificateList'{}}}], - Options :: proplists:proplist()) -> valid | {bad_cert, revocation_status_undetermined} - | {bad_cert, {revoked, crl_reason()}}. + Options :: proplists:proplist()) -> valid | {bad_cert, revocation_status_undetermined} | + {bad_cert, {revocation_status_undetermined, Reason::term()}} | + {bad_cert, {revoked, crl_reason()}}. %% Description: Performs a CRL validation according to RFC 5280. %%-------------------------------------------------------------------- @@ -1121,8 +1122,13 @@ der_cert(#'OTPCertificate'{} = Cert) -> der_cert(Der) when is_binary(Der) -> Der. -pkix_crls_validate(_, [],_, _, _) -> - {bad_cert, revocation_status_undetermined}; +pkix_crls_validate(_, [],_, Options, #revoke_state{details = Details}) -> + case proplists:get_value(undetermined_details, Options, false) of + false -> + {bad_cert, revocation_status_undetermined}; + true -> + {bad_cert, {revocation_status_undetermined, {bad_crls, format_details(Details)}}} + end; pkix_crls_validate(OtpCert, [{DP, CRL, DeltaCRL} | Rest], All, Options, RevokedState0) -> CallBack = proplists:get_value(update_crl, Options, fun(_, CurrCRL) -> CurrCRL @@ -1142,9 +1148,14 @@ pkix_crls_validate(OtpCert, [{DP, CRL, DeltaCRL} | Rest], All, Options, Revoked do_pkix_crls_validate(OtpCert, [{DP, CRL, DeltaCRL} | Rest], All, Options, RevokedState0) -> OtherDPCRLs = All -- [{DP, CRL, DeltaCRL}], case pubkey_crl:validate(OtpCert, OtherDPCRLs, DP, CRL, DeltaCRL, Options, RevokedState0) of - {undetermined, _, _} when Rest == []-> - {bad_cert, revocation_status_undetermined}; - {undetermined, _, RevokedState} when Rest =/= []-> + {undetermined, unrevoked, #revoke_state{details = Details}} when Rest == []-> + case proplists:get_value(undetermined_details, Options, false) of + false -> + {bad_cert, revocation_status_undetermined}; + true -> + {bad_cert, {revocation_status_undetermined, {bad_crls, Details}}} + end; + {undetermined, unrevoked, RevokedState} when Rest =/= []-> pkix_crls_validate(OtpCert, Rest, All, Options, RevokedState); {finished, unrevoked} -> valid; @@ -1417,3 +1428,7 @@ to_lower_ascii(C) -> C. to_string(S) when is_list(S) -> S; to_string(B) when is_binary(B) -> binary_to_list(B). +format_details([]) -> + no_relevant_crls; +format_details(Details) -> + Details. diff --git a/lib/ssl/src/ssl_handshake.erl b/lib/ssl/src/ssl_handshake.erl index 3cf466e78f..5110f2d271 100644 --- a/lib/ssl/src/ssl_handshake.erl +++ b/lib/ssl/src/ssl_handshake.erl @@ -1611,8 +1611,11 @@ path_validation_alert({bad_cert, unknown_critical_extension}) -> ?ALERT_REC(?FATAL, ?UNSUPPORTED_CERTIFICATE); path_validation_alert({bad_cert, {revoked, _}}) -> ?ALERT_REC(?FATAL, ?CERTIFICATE_REVOKED); -path_validation_alert({bad_cert, revocation_status_undetermined}) -> - ?ALERT_REC(?FATAL, ?BAD_CERTIFICATE); +%%path_validation_alert({bad_cert, revocation_status_undetermined}) -> +%% ?ALERT_REC(?FATAL, ?BAD_CERTIFICATE); +path_validation_alert({bad_cert, {revocation_status_undetermined, Details}}) -> + Alert = ?ALERT_REC(?FATAL, ?BAD_CERTIFICATE), + Alert#alert{reason = Details}; path_validation_alert({bad_cert, selfsigned_peer}) -> ?ALERT_REC(?FATAL, ?BAD_CERTIFICATE); path_validation_alert({bad_cert, unknown_ca}) -> @@ -2189,7 +2192,8 @@ crl_check(OtpCert, Check, CertDbHandle, CertDbRef, {Callback, CRLDbHandle}, _, C ssl_crl:trusted_cert_and_path(CRL, Issuer, {CertPath, DBInfo}) end, {CertDbHandle, CertDbRef}}}, - {update_crl, fun(DP, CRL) -> Callback:fresh_crl(DP, CRL) end} + {update_crl, fun(DP, CRL) -> Callback:fresh_crl(DP, CRL) end}, + {undetermined_details, true} ], case dps_and_crls(OtpCert, Callback, CRLDbHandle, ext) of no_dps -> @@ -2199,7 +2203,7 @@ crl_check(OtpCert, Check, CertDbHandle, CertDbRef, {Callback, CRLDbHandle}, _, C DpsAndCRLs -> %% This DP list may be empty if relevant CRLs existed %% but could not be retrived, will result in {bad_cert, revocation_status_undetermined} case public_key:pkix_crls_validate(OtpCert, DpsAndCRLs, Options) of - {bad_cert, revocation_status_undetermined} -> + {bad_cert, {revocation_status_undetermined, _}} -> crl_check_same_issuer(OtpCert, Check, dps_and_crls(OtpCert, Callback, CRLDbHandle, same_issuer), Options); Other -> @@ -2209,7 +2213,7 @@ crl_check(OtpCert, Check, CertDbHandle, CertDbRef, {Callback, CRLDbHandle}, _, C crl_check_same_issuer(OtpCert, best_effort, Dps, Options) -> case public_key:pkix_crls_validate(OtpCert, Dps, Options) of - {bad_cert, revocation_status_undetermined} -> + {bad_cert, {revocation_status_undetermined, _}} -> valid; Other -> Other -- cgit v1.2.3 From 47740707d585b275f08b4f0900f854cb87f0e825 Mon Sep 17 00:00:00 2001 From: Ingela Anderton Andin Date: Fri, 16 Jun 2017 19:13:50 +0200 Subject: ssl: Try to make asn1 decode errors of certificates as specific as possible --- lib/ssl/src/ssl_handshake.erl | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'lib') diff --git a/lib/ssl/src/ssl_handshake.erl b/lib/ssl/src/ssl_handshake.erl index 5110f2d271..b1661624b5 100644 --- a/lib/ssl/src/ssl_handshake.erl +++ b/lib/ssl/src/ssl_handshake.erl @@ -415,9 +415,11 @@ certify(#certificate{asn1_certificates = ASN1Certs}, CertDbHandle, CertDbRef, path_validation_alert(Reason) end catch - error:_ -> + error:{badmatch,{asn1, Asn1Reason}} -> %% ASN-1 decode of certificate somehow failed - ?ALERT_REC(?FATAL, ?CERTIFICATE_UNKNOWN, failed_to_decode_certificate) + ?ALERT_REC(?FATAL, ?CERTIFICATE_UNKNOWN, {failed_to_decode_certificate, Asn1Reason}); + error:OtherReason -> + ?ALERT_REC(?FATAL, ?INTERNAL_ERROR, {unexpected_error, OtherReason}) end. %%-------------------------------------------------------------------- -- cgit v1.2.3