diff options
Diffstat (limited to 'lib/ssl')
33 files changed, 1274 insertions, 668 deletions
diff --git a/lib/ssl/doc/src/Makefile b/lib/ssl/doc/src/Makefile index fb12499ef7..cfbf98f6e3 100644 --- a/lib/ssl/doc/src/Makefile +++ b/lib/ssl/doc/src/Makefile @@ -1,7 +1,7 @@ # # %CopyrightBegin% # -# Copyright Ericsson AB 1999-2012. All Rights Reserved. +# Copyright Ericsson AB 1999-2015. 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 @@ -37,7 +37,7 @@ RELSYSDIR = $(RELEASE_PATH)/lib/$(APPLICATION)-$(VSN) # Target Specs # ---------------------------------------------------- XML_APPLICATION_FILES = refman.xml -XML_REF3_FILES = ssl.xml ssl_session_cache_api.xml +XML_REF3_FILES = ssl.xml ssl_crl_cache.xml ssl_crl_cache.xml ssl_session_cache_api.xml XML_REF6_FILES = ssl_app.xml XML_PART_FILES = release_notes.xml usersguide.xml diff --git a/lib/ssl/doc/src/refman.xml b/lib/ssl/doc/src/refman.xml index ae11198edb..d5f2219af9 100644 --- a/lib/ssl/doc/src/refman.xml +++ b/lib/ssl/doc/src/refman.xml @@ -4,7 +4,7 @@ <application xmlns:xi="http://www.w3.org/2001/XInclude"> <header> <copyright> - <year>1999</year><year>2013</year> + <year>1999</year><year>2015</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -28,23 +28,10 @@ <rev>B</rev> <file>refman.sgml</file> </header> - <description> - <p>The <em>SSL</em> application provides secure communication over - sockets. - </p> - <p>This product includes software developed by the OpenSSL Project for - use in the OpenSSL Toolkit (http://www.openssl.org/). - </p> - <p>This product includes cryptographic software written by Eric Young - ([email protected]). - </p> - <p>This product includes software written by Tim Hudson - ([email protected]). - </p> - <p>For full OpenSSL and SSLeay license texts, see <seealso marker="licenses#licenses">Licenses</seealso>.</p> - </description> <xi:include href="ssl_app.xml"/> <xi:include href="ssl.xml"/> + <xi:include href="ssl_crl_cache.xml"/> + <xi:include href="ssl_crl_cache_api.xml"/> <xi:include href="ssl_session_cache_api.xml"/> </application> diff --git a/lib/ssl/doc/src/ssl.xml b/lib/ssl/doc/src/ssl.xml index 9e6d294f09..c9b02d44ec 100644 --- a/lib/ssl/doc/src/ssl.xml +++ b/lib/ssl/doc/src/ssl.xml @@ -51,9 +51,9 @@ <item>IDEA cipher suites are not supported as they have become deprecated by the latest TLS spec so there is not any real motivation to implement them.</item> - <item>CRL and policy certificate extensions are not supported - yet. However CRL verification is supported by public_key, only not integrated - in ssl yet. </item> + <item>CRL validation is supported.</item> + <item>Policy certificate extensions are not supported + yet. </item> <item>Support for 'Server Name Indication' extension client side (RFC 6066 section 3).</item> </list> @@ -301,10 +301,47 @@ fun(OtpCert :: #'OTPCertificate'{}, Event :: {bad_cert, Reason :: atom() | {revo <item> Possible such reasons see <seealso marker="public_key:public_key#pkix_path_validation-3"> public_key:pkix_path_validation/3 </seealso></item> </taglist> + </item> + + <tag>{crl_check, boolean() | peer | best_effort )</tag> + <item> + Perform CRL (Certificate Revocation List) verification + <seealso marker="public_key:public_key#pkix_crl_validate-3"> + public_key:pkix_crls_validate/3</seealso>, during the + <seealso + marker="public_key:public_key#pkix_path_validation-3">public_key:pkix_path_validation/3 </seealso> + invokation on all the certificates in the peer certificate chain. Defaults to + false. + <p><c>peer</c> - check is only performed on + the peer certificate.</p> + + <p><c>best_effort</c> - if certificate revokation status can not be determined + it will be accepted as valid.</p> + + <p>The CA certificates specified for the connection will be used to + construct the certificate chain validating the CRLs.</p> + + <p>The CRLs will be fetched from a local or external cache + <seealso marker="ssl:ssl_crl_cache_api">ssl_crl_cache_api(3)</seealso>.</p> </item> - <tag>{partial_chain, fun(Chain::[DerCert]) -> {trusted_ca, DerCert} | unknown_ca }</tag> + <tag>{crl_cache, {Module::atom, {DbHandle::internal | term(), Args::list()}}</tag> + <item> + <p>Module defaults to ssl_crl_cache with <c> DbHandle </c> internal and an + empty argument list. The following arguments may be specified for the internal cache.</p> + <taglist> + <tag>{http, timeout()}</tag> + <item> + Enables fetching of CRLs specified as http URIs in<seealso + marker="public_key:cert_records"> X509 cerificate extensions.</seealso> + Requires the OTP inets application. + </item> + </taglist> + </item> + + <tag>{partial_chain, fun(Chain::[DerCert]) -> {trusted_ca, DerCert} | unknown_ca </tag> + <item> Claim an intermediat CA in the chain as trusted. TLS will then perform the public_key:pkix_path_validation/3 with the selected CA as trusted anchor and the rest of the chain. @@ -427,6 +464,23 @@ fun(srp, Username :: string(), UserState :: term()) -> Indication extension will be sent if possible, this option may also be used to disable that behavior.</p> </item> + <tag>{fallback, boolean()}</tag> + <item> + <p> Send special cipher suite TLS_FALLBACK_SCSV to avoid undesired TLS version downgrade. + Defaults to false</p> + <warning><p>Note this option is not needed in normal TLS usage and should not be used + to implement new clients. But legacy clients that that retries connections in the following manner</p> + + <p><c> ssl:connect(Host, Port, [...{versions, ['tlsv2', 'tlsv1.1', 'tlsv1', 'sslv3']}])</c></p> + <p><c> ssl:connect(Host, Port, [...{versions, [tlsv1.1', 'tlsv1', 'sslv3']}, {fallback, true}])</c></p> + <p><c> ssl:connect(Host, Port, [...{versions, ['tlsv1', 'sslv3']}, {fallback, true}]) </c></p> + <p><c> ssl:connect(Host, Port, [...{versions, ['sslv3']}, {fallback, true}]) </c></p> + + <p>may use it to avoid undesired TLS version downgrade. Note that TLS_FALLBACK_SCSV must also + be supported by the server for the prevention to work. + </p></warning> + </item> + </taglist> </section> diff --git a/lib/ssl/doc/src/ssl_crl_cache.xml b/lib/ssl/doc/src/ssl_crl_cache.xml new file mode 100644 index 0000000000..1ed76d3e2a --- /dev/null +++ b/lib/ssl/doc/src/ssl_crl_cache.xml @@ -0,0 +1,66 @@ +<?xml version="1.0" encoding="utf-8" ?> +<!DOCTYPE erlref SYSTEM "erlref.dtd"> + +<erlref> + <header> + <copyright> + <year>2015</year><year>2015</year> + <holder>Ericsson AB. All Rights Reserved.</holder> + </copyright> + <legalnotice> + 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 + compliance with the License. You should have received a copy of the + Erlang Public License along with this software. If not, it can be + retrieved online at http://www.erlang.org/. + + Software distributed under the License is distributed on an "AS IS" + basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See + the License for the specific language governing rights and limitations + under the License. + </legalnotice> + <title>ssl_crl_cache</title> + <file>ssl_crl_cache.xml</file> + </header> + + <module>ssl_crl_cache</module> + <modulesummary>CRL cache </modulesummary> + <description> + <p> + Implements an internal CRL (Certificate Revocation List) cache. + In addition to implementing the <seealso + marker="ssl_cache_crl_api"> ssl_cache_crl_api</seealso> + the following functions are available. + </p> + </description> + + <funcs> + <func> + <name>insert(CRLSrc) -> ok | {error, Reason}</name> + <name>insert(URI, CRLSrc) -> ok | {error, Reason}</name> + <fsummary> </fsummary> + <type> + <v> CRLSrc = {file, string()} | {der, [ <seealso + marker="public_key:public_key"> der_encoded() </seealso> ]}</v> + <v> URI = http_uri:uri()</v> + <v> Reason = term()</v> + </type> + <desc> + Insert CRLs into the ssl applications local cache. + </desc> + </func> + + <func> + <name>delete(Entries) -> ok | {error, Reason} </name> + <fsummary> </fsummary> + <type> + <v> Entries = http_uri:uri() | {file, string()} | {der, [<seealso + marker="public_key:public_key"> der_encoded() </seealso>]}</v> + <v> Reason = term()</v> + </type> + <desc> + Delete CRLs from the ssl applications local cache. + </desc> + </func> + </funcs> +</erlref>
\ No newline at end of file diff --git a/lib/ssl/doc/src/ssl_crl_cache_api.xml b/lib/ssl/doc/src/ssl_crl_cache_api.xml new file mode 100644 index 0000000000..24365c9f59 --- /dev/null +++ b/lib/ssl/doc/src/ssl_crl_cache_api.xml @@ -0,0 +1,97 @@ +<?xml version="1.0" encoding="utf-8" ?> +<!DOCTYPE erlref SYSTEM "erlref.dtd"> + +<erlref> + <header> + <copyright> + <year>2015</year><year>2015</year> + <holder>Ericsson AB. All Rights Reserved.</holder> + </copyright> + <legalnotice> + 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 + compliance with the License. You should have received a copy of the + Erlang Public License along with this software. If not, it can be + retrieved online at http://www.erlang.org/. + + Software distributed under the License is distributed on an "AS IS" + basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See + the License for the specific language governing rights and limitations + under the License. + </legalnotice> + <title>ssl_crl_cache_api</title> + <file>ssl_crl_cache_api.xml</file> + </header> + + <module>ssl_crl_cache_api</module> + <modulesummary>API for a SSL/TLS CRL (Certificate Revocation List) cache.</modulesummary> + <description> + <p> + When SSL/TLS performs certificate path validation according to + <url href="http://www.ietf.org/rfc/rfc5280.txt">RFC 5280 </url> it should + also perform CRL validation checks. To enable the CRL checks the application + needs access to CRLs. A database of CRLs can be set up in many different ways. + This module provides an API to integrate an arbitrary CRL cache with the erlang + ssl application. It is also used by the application itself to provide a simple + default implementation of a CRL cache. + </p> + </description> + + <section> + <title>Common Data Types</title> + + <p>The following data types are used in the functions below: + </p> + + <p><c>cache_ref() = opaque()</c></p> + <p> dist_point() = #'DistributionPoint'{} see <seealso + marker="public_key:cert_records"> X509 certificates records</seealso></p> + </section> + + <funcs> + <func> + <name>lookup(DistributionPoint, DbHandle) -> not_available | CRLs </name> + <fsummary> </fsummary> + <type> + <v> DistributionPoint = dist_point() </v> + <v> DbHandle = cache_ref() </v> + <v> CRLs = [<seealso + marker="public_key:public_key">public_key:der_encoded()</seealso>] </v> + </type> + <desc> <p>Lookup the CRLs belonging to the distribution point <c> Distributionpoint </c> </p>. + This function may choose to only look in the cache or to follow distribution point + links depending on how the cache is administrated. + </desc> + </func> + + <func> + <name>select(Issuer, DbHandle) -> CRLs </name> + <fsummary>Select the CRLs in the cache that are issued by <c>Issuer</c></fsummary> + <type> + <v> Issuer = <seealso + marker="public_key:public_key">public_key:issuer_name()</seealso></v> + <v> DbHandle = cache_ref() </v> + </type> + <desc> + <p>Select the CRLs in the cache that are issued by <c>Issuer</c> </p> + </desc> + </func> + + <func> + <name>fresh_crl(DistributionPoint, CRL) -> FreshCRL</name> + <fsummary> <c>fun fresh_crl/2 </c> will be used as input option <c>update_crl</c> to + public_key:pkix_crls_validate/3 </fsummary> + <type> + <v> DistributionPoint = dist_point() </v> + <v> CRL = [<seealso + marker="public_key:public_key">public_key:der_encoded()</seealso>] </v> + <v> FreshCRL = [<seealso + marker="public_key:public_key">public_key:der_encoded()</seealso>] </v> + </type> + <desc> + <p> <c>fun fresh_crl/2 </c> will be used as input option <c>update_crl</c> to + <seealso marker="public_key#pkix_path_validation-3">public_key:pkix_crls_validate/3 </seealso> </p> + </desc> + </func> + </funcs> +</erlref>
\ No newline at end of file diff --git a/lib/ssl/doc/src/ssl_session_cache_api.xml b/lib/ssl/doc/src/ssl_session_cache_api.xml index cb97bbfbb2..9f87d31e90 100644 --- a/lib/ssl/doc/src/ssl_session_cache_api.xml +++ b/lib/ssl/doc/src/ssl_session_cache_api.xml @@ -4,7 +4,7 @@ <erlref> <header> <copyright> - <year>1999</year><year>2014</year> + <year>1999</year><year>2015</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -119,14 +119,14 @@ <func> <name>select_session(Cache, PartialKey) -> [session()]</name> - <fsummary>>Selects sessions that could be reused.</fsummary> + <fsummary>Selects a sessions that could be reused.</fsummary> <type> <v> Cache = cache_ref()</v> <v> PartialKey = partialkey()</v> <v> Session = session()</v> </type> <desc> - <p>Selects sessions that could be reused. Should be callable + <p>Selects a sessions that could be reused. Should be callable from any process. </p> </desc> diff --git a/lib/ssl/src/Makefile b/lib/ssl/src/Makefile index 0c00a650b9..d71d3fc445 100644 --- a/lib/ssl/src/Makefile +++ b/lib/ssl/src/Makefile @@ -1,7 +1,7 @@ # # %CopyrightBegin% # -# Copyright Ericsson AB 1999-2014. All Rights Reserved. +# Copyright Ericsson AB 1999-2015. 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 @@ -38,7 +38,8 @@ RELSYSDIR = $(RELEASE_PATH)/lib/ssl-$(VSN) # ---------------------------------------------------- BEHAVIOUR_MODULES= \ - ssl_session_cache_api + ssl_session_cache_api \ + ssl_crl_cache_api MODULES= \ ssl \ @@ -65,6 +66,8 @@ MODULES= \ ssl_manager \ ssl_session \ ssl_session_cache \ + ssl_crl\ + ssl_crl_cache \ ssl_socket \ ssl_listen_tracker_sup \ tls_record \ @@ -164,5 +167,5 @@ $(EBIN)/ssl_session_cache.$(EMULATOR): ssl_internal.hrl ssl_handshake.hrl $(EBIN)/ssl_session_cache_api.$(EMULATOR): ssl_internal.hrl ssl_handshake.hrl $(EBIN)/ssl_ssl3.$(EMULATOR): ssl_internal.hrl ssl_record.hrl ssl_cipher.hrl $(EBIN)/ssl_tls1.$(EMULATOR): ssl_internal.hrl ssl_record.hrl ssl_cipher.hrl - +$(EBIN)/ssl_cache.$(EMULATOR): ssl_cache.erl ssl_internal.hrl ../../public_key/include/public_key.hrl diff --git a/lib/ssl/src/ssl.app.src b/lib/ssl/src/ssl.app.src index 36681e2897..955875fa95 100644 --- a/lib/ssl/src/ssl.app.src +++ b/lib/ssl/src/ssl.app.src @@ -39,6 +39,10 @@ ssl_manager, ssl_pkix_db, ssl_certificate, + %% CRL handling + ssl_crl, + ssl_crl_cache, + ssl_crl_cache_api, %% App structure ssl_app, ssl_sup, diff --git a/lib/ssl/src/ssl.erl b/lib/ssl/src/ssl.erl index ab26b6abc4..623fa92121 100644 --- a/lib/ssl/src/ssl.erl +++ b/lib/ssl/src/ssl.erl @@ -653,7 +653,10 @@ handle_options(Opts0) -> server_name_indication = handle_option(server_name_indication, Opts, undefined), honor_cipher_order = handle_option(honor_cipher_order, Opts, false), protocol = proplists:get_value(protocol, Opts, tls), - padding_check = proplists:get_value(padding_check, Opts, true) + padding_check = proplists:get_value(padding_check, Opts, true), + fallback = proplists:get_value(fallback, Opts, false), + crl_check = handle_option(crl_check, Opts, false), + crl_cache = handle_option(crl_cache, Opts, {ssl_crl_cache, {internal, []}}) }, CbInfo = proplists:get_value(cb_info, Opts, {gen_tcp, tcp, tcp_closed, tcp_error}), @@ -666,7 +669,8 @@ handle_options(Opts0) -> cb_info, renegotiate_at, secure_renegotiate, hibernate_after, erl_dist, next_protocols_advertised, client_preferred_next_protocols, log_alert, - server_name_indication, honor_cipher_order, padding_check], + server_name_indication, honor_cipher_order, padding_check, crl_check, crl_cache, + fallback], SockOpts = lists:foldl(fun(Key, PropList) -> proplists:delete(Key, PropList) @@ -846,6 +850,14 @@ validate_option(honor_cipher_order, Value) when is_boolean(Value) -> Value; validate_option(padding_check, Value) when is_boolean(Value) -> Value; +validate_option(fallback, Value) when is_boolean(Value) -> + Value; +validate_option(crl_check, Value) when is_boolean(Value) -> + Value; +validate_option(crl_check, Value) when (Value == best_effort) or (Value == peer) -> + Value; +validate_option(crl_cache, {Cb, {_Handle, Options}} = Value) when is_atom(Cb) and is_list(Options) -> + Value; validate_option(Opt, Value) -> throw({error, {options, {Opt, Value}}}). diff --git a/lib/ssl/src/ssl_alert.erl b/lib/ssl/src/ssl_alert.erl index 78dc98bc25..9e372f739a 100644 --- a/lib/ssl/src/ssl_alert.erl +++ b/lib/ssl/src/ssl_alert.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2007-2014. All Rights Reserved. +%% Copyright Ericsson AB 2007-2015. 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 @@ -161,5 +161,7 @@ description_txt(?BAD_CERTIFICATE_HASH_VALUE) -> "bad certificate hash value"; description_txt(?UNKNOWN_PSK_IDENTITY) -> "unknown psk identity"; +description_txt(?INAPPROPRIATE_FALLBACK) -> + "inappropriate fallback"; 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 f4f1d74264..a3619e4a35 100644 --- a/lib/ssl/src/ssl_alert.hrl +++ b/lib/ssl/src/ssl_alert.hrl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2007-2014. All Rights Reserved. +%% Copyright Ericsson AB 2007-2015. 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 @@ -58,6 +58,7 @@ %% protocol_version(70), %% insufficient_security(71), %% internal_error(80), +%% inappropriate_fallback(86), %% user_canceled(90), %% no_renegotiation(100), %% RFC 4366 @@ -93,6 +94,7 @@ -define(PROTOCOL_VERSION, 70). -define(INSUFFICIENT_SECURITY, 71). -define(INTERNAL_ERROR, 80). +-define(INAPPROPRIATE_FALLBACK, 86). -define(USER_CANCELED, 90). -define(NO_RENEGOTIATION, 100). -define(UNSUPPORTED_EXTENSION, 110). diff --git a/lib/ssl/src/ssl_certificate.erl b/lib/ssl/src/ssl_certificate.erl index 30d224fee2..764bd82de0 100644 --- a/lib/ssl/src/ssl_certificate.erl +++ b/lib/ssl/src/ssl_certificate.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2007-2014 All Rights Reserved. +%% Copyright Ericsson AB 2007-2015 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 @@ -33,7 +33,8 @@ -export([trusted_cert_and_path/4, certificate_chain/3, file_to_certificats/2, - validate_extension/3, + file_to_crls/2, + validate/3, is_valid_extkey_usage/2, is_valid_key_usage/2, select_extension/2, @@ -84,15 +85,18 @@ trusted_cert_and_path(CertChain, CertDbHandle, CertDbRef, PartialChainHandler) - %%-------------------------------------------------------------------- -spec certificate_chain(undefined | binary(), db_handle(), certdb_ref()) -> - {error, no_cert} | {ok, [der_cert()]}. + {error, no_cert} | {ok, #'OTPCertificate'{} | undefined, [der_cert()]}. %% %% Description: Return the certificate chain to send to peer. %%-------------------------------------------------------------------- certificate_chain(undefined, _, _) -> {error, no_cert}; -certificate_chain(OwnCert, CertDbHandle, CertsDbRef) -> +certificate_chain(OwnCert, CertDbHandle, CertsDbRef) when is_binary(OwnCert) -> ErlCert = public_key:pkix_decode_cert(OwnCert, otp), - certificate_chain(ErlCert, OwnCert, CertDbHandle, CertsDbRef, [OwnCert]). + certificate_chain(ErlCert, OwnCert, CertDbHandle, CertsDbRef, [OwnCert]); +certificate_chain(OwnCert, CertDbHandle, CertsDbRef) -> + DerCert = public_key:pkix_encode('OTPCertificate', OwnCert, otp), + certificate_chain(OwnCert, DerCert, CertDbHandle, CertsDbRef, [DerCert]). %%-------------------------------------------------------------------- -spec file_to_certificats(binary(), term()) -> [der_cert()]. %% @@ -101,29 +105,39 @@ certificate_chain(OwnCert, CertDbHandle, CertsDbRef) -> file_to_certificats(File, DbHandle) -> {ok, List} = ssl_manager:cache_pem_file(File, DbHandle), [Bin || {'Certificate', Bin, not_encrypted} <- List]. + %%-------------------------------------------------------------------- --spec validate_extension(term(), {extension, #'Extension'{}} | {bad_cert, atom()} | valid, - term()) -> {valid, term()} | - {fail, tuple()} | - {unknown, term()}. +-spec file_to_crls(binary(), term()) -> [der_cert()]. +%% +%% Description: Return list of DER encoded certificates. +%%-------------------------------------------------------------------- +file_to_crls(File, DbHandle) -> + {ok, List} = ssl_manager:cache_pem_file(File, DbHandle), + [Bin || {'CertificateList', Bin, not_encrypted} <- List]. + +%%-------------------------------------------------------------------- +-spec validate(term(), {extension, #'Extension'{}} | {bad_cert, atom()} | valid, + term()) -> {valid, term()} | + {fail, tuple()} | + {unknown, term()}. %% %% Description: Validates ssl/tls specific extensions %%-------------------------------------------------------------------- -validate_extension(_,{extension, #'Extension'{extnID = ?'id-ce-extKeyUsage', - extnValue = KeyUse}}, Role) -> +validate(_,{extension, #'Extension'{extnID = ?'id-ce-extKeyUsage', + extnValue = KeyUse}}, {Role, _,_, _, _}) -> case is_valid_extkey_usage(KeyUse, Role) of true -> {valid, Role}; false -> {fail, {bad_cert, invalid_ext_key_usage}} end; -validate_extension(_, {bad_cert, _} = Reason, _) -> - {fail, Reason}; -validate_extension(_, {extension, _}, Role) -> +validate(_, {extension, _}, Role) -> {unknown, Role}; -validate_extension(_, valid, Role) -> +validate(_, {bad_cert, _} = Reason, _) -> + {fail, Reason}; +validate(_, valid, Role) -> {valid, Role}; -validate_extension(_, valid_peer, Role) -> +validate(_, valid_peer, Role) -> {valid, Role}. %%-------------------------------------------------------------------- @@ -194,14 +208,14 @@ certificate_chain(OtpCert, _Cert, CertDbHandle, CertsDbRef, Chain) -> %% certificate. The verification of the %% cert chain will fail if guess is %% incorrect. - {ok, lists:reverse(Chain)} + {ok, undefined, lists:reverse(Chain)} end; {{ok, {SerialNr, Issuer}}, SelfSigned} -> certificate_chain(CertDbHandle, CertsDbRef, Chain, SerialNr, Issuer, SelfSigned) end. -certificate_chain(_,_, Chain, _SerialNr, _Issuer, true) -> - {ok, lists:reverse(Chain)}; +certificate_chain(_, _, [RootCert | _] = Chain, _, _, true) -> + {ok, RootCert, lists:reverse(Chain)}; certificate_chain(CertDbHandle, CertsDbRef, Chain, SerialNr, Issuer, _SelfSigned) -> case ssl_manager:lookup_trusted_cert(CertDbHandle, CertsDbRef, @@ -214,7 +228,7 @@ certificate_chain(CertDbHandle, CertsDbRef, Chain, SerialNr, Issuer, _SelfSigned %% The trusted cert may be obmitted from the chain as the %% counter part needs to have it anyway to be able to %% verify it. - {ok, lists:reverse(Chain)} + {ok, undefined, lists:reverse(Chain)} end. find_issuer(OtpCert, CertDbHandle) -> diff --git a/lib/ssl/src/ssl_cipher.erl b/lib/ssl/src/ssl_cipher.erl index 5ec6e1c31b..8584e56d6c 100644 --- a/lib/ssl/src/ssl_cipher.erl +++ b/lib/ssl/src/ssl_cipher.erl @@ -37,7 +37,7 @@ suite/1, suites/1, all_suites/1, ec_keyed_suites/0, anonymous_suites/1, psk_suites/1, srp_suites/0, rc4_suites/1, openssl_suite/1, openssl_suite_name/1, filter/2, filter_suites/1, - hash_algorithm/1, sign_algorithm/1, is_acceptable_hash/2]). + hash_algorithm/1, sign_algorithm/1, is_acceptable_hash/2, is_fallback/1]). -export_type([cipher_suite/0, erl_cipher_suite/0, openssl_cipher_suite/0, @@ -1442,6 +1442,9 @@ is_acceptable_prf(default_prf, _) -> is_acceptable_prf(Prf, Algos) -> proplists:get_bool(Prf, Algos). +is_fallback(CipherSuites)-> + lists:member(?TLS_FALLBACK_SCSV, CipherSuites). + %%-------------------------------------------------------------------- %%% Internal functions %%-------------------------------------------------------------------- diff --git a/lib/ssl/src/ssl_cipher.hrl b/lib/ssl/src/ssl_cipher.hrl index 448c2405aa..8689a3c68b 100644 --- a/lib/ssl/src/ssl_cipher.hrl +++ b/lib/ssl/src/ssl_cipher.hrl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2007-2014. All Rights Reserved. +%% Copyright Ericsson AB 2007-2015. 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 @@ -356,6 +356,10 @@ %% hello extension data as they should. -define(TLS_EMPTY_RENEGOTIATION_INFO_SCSV, <<?BYTE(16#00), ?BYTE(16#FF)>>). +%% TLS Fallback Signaling Cipher Suite Value (SCSV) for Preventing Protocol +%% Downgrade Attacks +-define(TLS_FALLBACK_SCSV, <<?BYTE(16#56), ?BYTE(16#00)>>). + %%% PSK Cipher Suites RFC 4279 %% TLS_PSK_WITH_RC4_128_SHA = { 0x00, 0x8A }; diff --git a/lib/ssl/src/ssl_config.erl b/lib/ssl/src/ssl_config.erl index 545b8aa0f6..fc8b214a29 100644 --- a/lib/ssl/src/ssl_config.erl +++ b/lib/ssl/src/ssl_config.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2007-2013. All Rights Reserved. +%% Copyright Ericsson AB 2007-2015. 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 @@ -31,13 +31,13 @@ init(SslOpts, Role) -> init_manager_name(SslOpts#ssl_options.erl_dist), - {ok, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheHandle, OwnCert} + {ok, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheHandle, CRLDbHandle, OwnCert} = init_certificates(SslOpts, Role), PrivateKey = init_private_key(PemCacheHandle, SslOpts#ssl_options.key, SslOpts#ssl_options.keyfile, SslOpts#ssl_options.password, Role), DHParams = init_diffie_hellman(PemCacheHandle, SslOpts#ssl_options.dh, SslOpts#ssl_options.dhfile, Role), - {ok, CertDbRef, CertDbHandle, FileRefHandle, CacheHandle, OwnCert, PrivateKey, DHParams}. + {ok, CertDbRef, CertDbHandle, FileRefHandle, CacheHandle, CRLDbHandle, OwnCert, PrivateKey, DHParams}. init_manager_name(false) -> put(ssl_manager, ssl_manager:manager_name(normal)); @@ -46,9 +46,11 @@ init_manager_name(true) -> init_certificates(#ssl_options{cacerts = CaCerts, cacertfile = CACertFile, - certfile = CertFile, - cert = Cert}, Role) -> - {ok, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheHandle} = + certfile = CertFile, + cert = Cert, + crl_cache = CRLCache + }, Role) -> + {ok, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheHandle, CRLDbInfo} = try Certs = case CaCerts of undefined -> @@ -56,39 +58,40 @@ init_certificates(#ssl_options{cacerts = CaCerts, _ -> {der, CaCerts} end, - {ok, _, _, _, _, _} = ssl_manager:connection_init(Certs, Role) + {ok, _, _, _, _, _, _} = ssl_manager:connection_init(Certs, Role, CRLCache) catch _:Reason -> file_error(CACertFile, {cacertfile, Reason}) end, init_certificates(Cert, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, - CacheHandle, CertFile, Role). + CacheHandle, CRLDbInfo, CertFile, Role). -init_certificates(undefined, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheHandle, <<>>, _) -> - {ok, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheHandle, undefined}; +init_certificates(undefined, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheHandle, + CRLDbInfo, <<>>, _) -> + {ok, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheHandle, CRLDbInfo, undefined}; init_certificates(undefined, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, - CacheHandle, CertFile, client) -> + CacheHandle, CRLDbInfo, CertFile, client) -> try %% Ignoring potential proxy-certificates see: %% http://dev.globus.org/wiki/Security/ProxyFileFormat [OwnCert|_] = ssl_certificate:file_to_certificats(CertFile, PemCacheHandle), - {ok, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheHandle, OwnCert} + {ok, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheHandle, CRLDbInfo, OwnCert} catch _Error:_Reason -> - {ok, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheHandle, undefined} + {ok, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheHandle, CRLDbInfo, undefined} end; init_certificates(undefined, CertDbRef, CertDbHandle, FileRefHandle, - PemCacheHandle, CacheRef, CertFile, server) -> + PemCacheHandle, CacheRef, CRLDbInfo, CertFile, server) -> try [OwnCert|_] = ssl_certificate:file_to_certificats(CertFile, PemCacheHandle), - {ok, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheRef, OwnCert} + {ok, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheRef, CRLDbInfo, OwnCert} catch _:Reason -> file_error(CertFile, {certfile, Reason}) end; -init_certificates(Cert, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheRef, _, _) -> - {ok, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheRef, Cert}. +init_certificates(Cert, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheRef, CRLDbInfo, _, _) -> + {ok, CertDbRef, CertDbHandle, FileRefHandle, PemCacheHandle, CacheRef, CRLDbInfo, Cert}. init_private_key(_, undefined, <<>>, _Password, _Client) -> undefined; diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl index b6059eac58..08d0145aa7 100644 --- a/lib/ssl/src/ssl_connection.erl +++ b/lib/ssl/src/ssl_connection.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2013-2014. All Rights Reserved. +%% Copyright Ericsson AB 2013-2015. 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 @@ -411,11 +411,15 @@ certify(#certificate{} = Cert, role = Role, cert_db = CertDbHandle, cert_db_ref = CertDbRef, + crl_db = CRLDbInfo, ssl_options = Opts} = State, Connection) -> - case ssl_handshake:certify(Cert, CertDbHandle, CertDbRef, Opts#ssl_options.depth, + case ssl_handshake:certify(Cert, CertDbHandle, CertDbRef, + Opts#ssl_options.depth, Opts#ssl_options.verify, Opts#ssl_options.verify_fun, Opts#ssl_options.partial_chain, + Opts#ssl_options.crl_check, + CRLDbInfo, Role) of {PeerCert, PublicKeyInfo} -> handle_peer_cert(Role, PeerCert, PublicKeyInfo, @@ -964,7 +968,7 @@ format_status(terminate, [_, State]) -> %%% Internal functions %%-------------------------------------------------------------------- ssl_config(Opts, Role, State) -> - {ok, Ref, CertDbHandle, FileRefHandle, CacheHandle, OwnCert, Key, DHParams} = + {ok, Ref, CertDbHandle, FileRefHandle, CacheHandle, CRLDbInfo, OwnCert, Key, DHParams} = ssl_config:init(Opts, Role), Handshake = ssl_handshake:init_handshake_history(), TimeStamp = calendar:datetime_to_gregorian_seconds({date(), time()}), @@ -975,6 +979,7 @@ ssl_config(Opts, Role, State) -> file_ref_db = FileRefHandle, cert_db_ref = Ref, cert_db = CertDbHandle, + crl_db = CRLDbInfo, session_cache = CacheHandle, private_key = Key, diffie_hellman_params = DHParams, diff --git a/lib/ssl/src/ssl_connection.hrl b/lib/ssl/src/ssl_connection.hrl index b9a1ef3a84..ac3b26e4bf 100644 --- a/lib/ssl/src/ssl_connection.hrl +++ b/lib/ssl/src/ssl_connection.hrl @@ -1,8 +1,7 @@ - %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2013-2014. All Rights Reserved. +%% Copyright Ericsson AB 2013-2015. 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 @@ -53,6 +52,7 @@ session :: #session{} | secret_printout(), session_cache :: db_handle(), session_cache_cb :: atom(), + crl_db :: term(), negotiated_version :: ssl_record:ssl_version(), client_certificate_requested = false :: boolean(), key_algorithm :: ssl_cipher:key_algo(), diff --git a/lib/ssl/src/ssl_crl.erl b/lib/ssl/src/ssl_crl.erl new file mode 100644 index 0000000000..b8761f0601 --- /dev/null +++ b/lib/ssl/src/ssl_crl.erl @@ -0,0 +1,82 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2015-2015. 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 +%% compliance with the License. You should have received a copy of the +%% Erlang Public License along with this software. If not, it can be +%% retrieved online at http://www.erlang.org/. +%% +%% Software distributed under the License is distributed on an "AS IS" +%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See +%% the License for the specific language governing rights and limitations +%% under the License. +%% +%% %CopyrightEnd% + +%---------------------------------------------------------------------- +%% Purpose: CRL handling +%%---------------------------------------------------------------------- + +-module(ssl_crl). + +-include("ssl_alert.hrl"). +-include("ssl_internal.hrl"). +-include_lib("public_key/include/public_key.hrl"). + +-export([trusted_cert_and_path/3]). + +trusted_cert_and_path(CRL, {SerialNumber, Issuer},{Db, DbRef} = DbHandle) -> + case ssl_pkix_db:lookup_trusted_cert(Db, DbRef, SerialNumber, Issuer) of + undefined -> + trusted_cert_and_path(CRL, issuer_not_found, DbHandle); + {ok, {_, OtpCert}} -> + {ok, Root, Chain} = ssl_certificate:certificate_chain(OtpCert, Db, DbRef), + {ok, Root, lists:reverse(Chain)} + end; + +trusted_cert_and_path(CRL, issuer_not_found, {Db, DbRef} = DbHandle) -> + try find_issuer(CRL, DbHandle) of + OtpCert -> + {ok, Root, Chain} = ssl_certificate:certificate_chain(OtpCert, Db, DbRef), + {ok, Root, lists:reverse(Chain)} + catch + throw:_ -> + {error, issuer_not_found} + end. + +find_issuer(CRL, {Db,_}) -> + Issuer = public_key:pkix_normalize_name(public_key:pkix_crl_issuer(CRL)), + IsIssuerFun = + fun({_Key, {_Der,ErlCertCandidate}}, Acc) -> + verify_crl_issuer(CRL, ErlCertCandidate, Issuer, Acc); + (_, Acc) -> + Acc + end, + + try ssl_pkix_db:foldl(IsIssuerFun, issuer_not_found, Db) of + issuer_not_found -> + {error, issuer_not_found} + catch + {ok, IssuerCert} -> + IssuerCert + end. + + +verify_crl_issuer(CRL, ErlCertCandidate, Issuer, NotIssuer) -> + TBSCert = ErlCertCandidate#'OTPCertificate'.tbsCertificate, + case public_key:pkix_normalize_name(TBSCert#'OTPTBSCertificate'.subject) of + Issuer -> + case public_key:pkix_crl_verify(CRL, ErlCertCandidate) of + true -> + throw({ok, ErlCertCandidate}); + false -> + NotIssuer; + _ -> + NotIssuer + end; + _ -> + NotIssuer + end. diff --git a/lib/ssl/src/ssl_crl_cache.erl b/lib/ssl/src/ssl_crl_cache.erl new file mode 100644 index 0000000000..b2bdb19979 --- /dev/null +++ b/lib/ssl/src/ssl_crl_cache.erl @@ -0,0 +1,179 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2015-2015. 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 +%% compliance with the License. You should have received a copy of the +%% Erlang Public License along with this software. If not, it can be +%% retrieved online at http://www.erlang.org/. +%% +%% Software distributed under the License is distributed on an "AS IS" +%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See +%% the License for the specific language governing rights and limitations +%% under the License. +%% +%% %CopyrightEnd% + +%---------------------------------------------------------------------- +%% Purpose: Simple default CRL cache +%%---------------------------------------------------------------------- + +-module(ssl_crl_cache). + +-include("ssl_internal.hrl"). +-include_lib("public_key/include/public_key.hrl"). + +-behaviour(ssl_crl_cache_api). + +-export([lookup/2, select/2, fresh_crl/2]). +-export([insert/1, insert/2, delete/1]). + +%%==================================================================== +%% Cache callback API +%%==================================================================== + +lookup(#'DistributionPoint'{distributionPoint={fullName, Names}}, + CRLDbInfo) -> + get_crls(Names, CRLDbInfo); +lookup(_,_) -> + not_available. + +select(Issuer, {{_Cache, Mapping},_}) -> + case ssl_pkix_db:lookup(Issuer, Mapping) of + undefined -> + []; + CRLs -> + CRLs + end. + +fresh_crl(DistributionPoint, CRL) -> + case get_crls(DistributionPoint, undefined) of + not_available -> + CRL; + [NewCRL] -> + NewCRL + end. + +%%==================================================================== +%% API +%%==================================================================== + +insert(CRLs) -> + insert(?NO_DIST_POINT, CRLs). + +insert(URI, {file, File}) when is_list(URI) -> + case file:read_file(File) of + {ok, PemBin} -> + PemEntries = public_key:pem_decode(PemBin), + CRLs = [ CRL || {'CertificateList', CRL, not_encrypted} + <- PemEntries], + do_insert(URI, CRLs); + Error -> + Error + end; +insert(URI, {der, CRLs}) -> + do_insert(URI, CRLs). + +delete({file, File}) -> + case file:read_file(File) of + {ok, PemBin} -> + PemEntries = public_key:pem_decode(PemBin), + CRLs = [ CRL || {'CertificateList', CRL, not_encrypted} + <- PemEntries], + ssl_manager:delete_crls({?NO_DIST_POINT, CRLs}); + Error -> + Error + end; +delete({der, CRLs}) -> + ssl_manager:delete_crls({?NO_DIST_POINT, CRLs}); + +delete(URI) -> + case http_uri:parse(URI) of + {ok, {http, _, _ , _, Path,_}} -> + ssl_manager:delete_crls(string:strip(Path, left, $/)); + _ -> + {error, {only_http_distribution_points_supported, URI}} + end. + +%%-------------------------------------------------------------------- +%%% Internal functions +%%-------------------------------------------------------------------- +do_insert(URI, CRLs) -> + case http_uri:parse(URI) of + {ok, {http, _, _ , _, Path,_}} -> + ssl_manager:insert_crls(string:strip(Path, left, $/), CRLs); + _ -> + {error, {only_http_distribution_points_supported, URI}} + end. + +get_crls([], _) -> + not_available; +get_crls([{uniformResourceIdentifier, "http"++_ = URL} | Rest], + CRLDbInfo) -> + case cache_lookup(URL, CRLDbInfo) of + [] -> + handle_http(URL, Rest, CRLDbInfo); + CRLs -> + CRLs + end; +get_crls([ _| Rest], CRLDbInfo) -> + %% unsupported CRL location + get_crls(Rest, CRLDbInfo). + +http_lookup(URL, Rest, CRLDbInfo, Timeout) -> + case application:ensure_started(inets) of + ok -> + http_get(URL, Rest, CRLDbInfo, Timeout); + _ -> + get_crls(Rest, CRLDbInfo) + end. + +http_get(URL, Rest, CRLDbInfo, Timeout) -> + case httpc:request(get, {URL, [{"connection", "close"}]}, + [{timeout, Timeout}], [{body_format, binary}]) of + {ok, {_Status, _Headers, Body}} -> + case Body of + <<"-----BEGIN", _/binary>> -> + Pem = public_key:pem_decode(Body), + lists:filtermap(fun({'CertificateList', + CRL, not_encrypted}) -> + {true, CRL}; + (_) -> + false + end, Pem); + _ -> + try public_key:der_decode('CertificateList', Body) of + _ -> + [Body] + catch + _:_ -> + get_crls(Rest, CRLDbInfo) + end + end; + {error, _Reason} -> + get_crls(Rest, CRLDbInfo) + end. + +cache_lookup(_, undefined) -> + []; +cache_lookup(URL, {{Cache, _}, _}) -> + {ok, {_, _, _ , _, Path,_}} = http_uri:parse(URL), + case ssl_pkix_db:lookup(string:strip(Path, left, $/), Cache) of + undefined -> + []; + CRLs -> + CRLs + end. + +handle_http(URI, Rest, {_, [{http, Timeout}]} = CRLDbInfo) -> + CRLs = http_lookup(URI, Rest, CRLDbInfo, Timeout), + %% Uncomment to improve performance, but need to + %% implement cache limit and or cleaning to prevent + %% DoS attack possibilities + %%insert(URI, {der, CRLs}), + CRLs; +handle_http(_, Rest, CRLDbInfo) -> + get_crls(Rest, CRLDbInfo). + diff --git a/lib/ssl/src/ssl_crl_cache_api.erl b/lib/ssl/src/ssl_crl_cache_api.erl new file mode 100644 index 0000000000..0915ba12e5 --- /dev/null +++ b/lib/ssl/src/ssl_crl_cache_api.erl @@ -0,0 +1,30 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2015-2015. 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 +%% compliance with the License. You should have received a copy of the +%% Erlang Public License along with this software. If not, it can be +%% retrieved online at http://www.erlang.org/. +%% +%% Software distributed under the License is distributed on an "AS IS" +%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See +%% the License for the specific language governing rights and limitations +%% under the License. +%% +%% %CopyrightEnd% +%% + +%% + +-module(ssl_crl_cache_api). + +-include_lib("public_key/include/public_key.hrl"). + +-type db_handle() :: term(). + +-callback lookup(#'DistributionPoint'{}, db_handle()) -> not_available | [public_key:der_encode()]. +-callback select(term(), db_handle()) -> [public_key:der_encode()]. +-callback fresh_crl(#'DistributionPoint'{}, public_key:der_encode()) -> public_key:der_encode(). diff --git a/lib/ssl/src/ssl_handshake.erl b/lib/ssl/src/ssl_handshake.erl index 07535e79b4..6cab8eb7a1 100644 --- a/lib/ssl/src/ssl_handshake.erl +++ b/lib/ssl/src/ssl_handshake.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2013-2014. All Rights Reserved. +%% Copyright Ericsson AB 2013-2015. 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 @@ -49,7 +49,7 @@ finished/5, next_protocol/1]). %% Handle handshake messages --export([certify/8, client_certificate_verify/6, certificate_verify/6, verify_signature/5, +-export([certify/10, client_certificate_verify/6, certificate_verify/6, verify_signature/5, master_secret/5, server_key_exchange_hash/2, verify_connection/6, init_handshake_history/0, update_handshake_history/2, verify_server_key/5 ]). @@ -149,7 +149,7 @@ client_hello_extensions(Host, Version, CipherSuites, SslOpts, ConnectionStates, certificate(OwnCert, CertDbHandle, CertDbRef, client) -> Chain = case ssl_certificate:certificate_chain(OwnCert, CertDbHandle, CertDbRef) of - {ok, CertChain} -> + {ok, _, CertChain} -> CertChain; {error, _} -> %% If no suitable certificate is available, the client @@ -161,7 +161,7 @@ certificate(OwnCert, CertDbHandle, CertDbRef, client) -> certificate(OwnCert, CertDbHandle, CertDbRef, server) -> case ssl_certificate:certificate_chain(OwnCert, CertDbHandle, CertDbRef) of - {ok, Chain} -> + {ok, _, Chain} -> #certificate{asn1_certificates = Chain}; {error, _} -> ?ALERT_REC(?FATAL, ?INTERNAL_ERROR) @@ -383,49 +383,24 @@ verify_signature(_Version, Hash, {HashAlgo, ecdsa}, Signature, %%-------------------------------------------------------------------- -spec certify(#certificate{}, db_handle(), certdb_ref(), integer() | nolimit, - verify_peer | verify_none, {fun(), term}, fun(), + verify_peer | verify_none, {fun(), term}, fun(), term(), term(), client | server) -> {der_cert(), public_key_info()} | #alert{}. %% %% Description: Handles a certificate handshake message %%-------------------------------------------------------------------- certify(#certificate{asn1_certificates = ASN1Certs}, CertDbHandle, CertDbRef, - MaxPathLen, _Verify, VerifyFunAndState, PartialChain, Role) -> + MaxPathLen, _Verify, ValidationFunAndState0, PartialChain, CRLCheck, CRLDbHandle, Role) -> [PeerCert | _] = ASN1Certs, - - ValidationFunAndState = - case VerifyFunAndState of - undefined -> - {fun(OtpCert, ExtensionOrVerifyResult, SslState) -> - ssl_certificate:validate_extension(OtpCert, - ExtensionOrVerifyResult, SslState) - end, Role}; - {Fun, UserState0} -> - {fun(OtpCert, {extension, _} = Extension, {SslState, UserState}) -> - case ssl_certificate:validate_extension(OtpCert, - Extension, - SslState) of - {valid, NewSslState} -> - {valid, {NewSslState, UserState}}; - {fail, Reason} -> - apply_user_fun(Fun, OtpCert, Reason, UserState, - SslState); - {unknown, _} -> - apply_user_fun(Fun, OtpCert, - Extension, UserState, SslState) - end; - (OtpCert, VerifyResult, {SslState, UserState}) -> - apply_user_fun(Fun, OtpCert, VerifyResult, UserState, - SslState) - end, {Role, UserState0}} - end, + + ValidationFunAndState = validation_fun_and_state(ValidationFunAndState0, Role, + CertDbHandle, CertDbRef, CRLCheck, CRLDbHandle), try - {TrustedErlCert, CertPath} = + {TrustedCert, CertPath} = ssl_certificate:trusted_cert_and_path(ASN1Certs, CertDbHandle, CertDbRef, PartialChain), - case public_key:pkix_path_validation(TrustedErlCert, - CertPath, - [{max_path_length, - MaxPathLen}, + case public_key:pkix_path_validation(TrustedCert, + CertPath, + [{max_path_length, MaxPathLen}, {verify_fun, ValidationFunAndState}]) of {ok, {PublicKeyInfo,_}} -> {PeerCert, PublicKeyInfo}; @@ -1374,15 +1349,66 @@ sni1(Hostname) -> %%-------------------------------------------------------------------- %%% Internal functions %%-------------------------------------------------------------------- +validation_fun_and_state({Fun, UserState0}, Role, CertDbHandle, CertDbRef, CRLCheck, CRLDbHandle) -> + {fun(OtpCert, {extension, _} = Extension, {SslState, UserState}) -> + case ssl_certificate:validate(OtpCert, + Extension, + SslState) of + {valid, NewSslState} -> + {valid, {NewSslState, UserState}}; + {fail, Reason} -> + apply_user_fun(Fun, OtpCert, Reason, UserState, + SslState); + {unknown, _} -> + apply_user_fun(Fun, OtpCert, + Extension, UserState, SslState) + end; + (OtpCert, VerifyResult, {SslState, UserState}) -> + apply_user_fun(Fun, OtpCert, VerifyResult, UserState, + SslState) + end, {{Role, CertDbHandle, CertDbRef, CRLCheck, CRLDbHandle}, UserState0}}; +validation_fun_and_state(undefined, Role, CertDbHandle, CertDbRef, CRLCheck, CRLDbHandle) -> + {fun(OtpCert, {extension, _} = Extension, SslState) -> + ssl_certificate:validate(OtpCert, + Extension, + SslState); + (OtpCert, VerifyResult, SslState) when (VerifyResult == valid) or (VerifyResult == valid_peer) -> + case crl_check(OtpCert, CRLCheck, CertDbHandle, CertDbRef, CRLDbHandle, VerifyResult) of + valid -> + {VerifyResult, SslState}; + Reason -> + {fail, Reason} + end; + (OtpCert, VerifyResult, SslState) -> + ssl_certificate:validate(OtpCert, + VerifyResult, + SslState) + end, {Role, CertDbHandle, CertDbRef, CRLCheck, CRLDbHandle}}. + +apply_user_fun(Fun, OtpCert, VerifyResult, UserState0, + {_, CertDbHandle, CertDbRef, CRLCheck, CRLDbHandle} = SslState) when + (VerifyResult == valid) or (VerifyResult == valid_peer) -> + case Fun(OtpCert, VerifyResult, UserState0) of + {Valid, UserState} when (Valid == valid) or (Valid == valid_peer) -> + case crl_check(OtpCert, CRLCheck, CertDbHandle, CertDbRef, CRLDbHandle, VerifyResult) of + valid -> + {Valid, {SslState, UserState}}; + Result -> + apply_user_fun(Fun, OtpCert, Result, UserState, SslState) + end; + {fail, _} = Fail -> + Fail + end; apply_user_fun(Fun, OtpCert, ExtensionOrError, UserState0, SslState) -> case Fun(OtpCert, ExtensionOrError, UserState0) of - {valid, UserState} -> - {valid, {SslState, UserState}}; + {Valid, UserState} when (Valid == valid) or (Valid == valid_peer)-> + {Valid, {SslState, UserState}}; {fail, _} = Fail -> Fail; {unknown, UserState} -> {unknown, {SslState, UserState}} end. + path_validation_alert({bad_cert, cert_expired}) -> ?ALERT_REC(?FATAL, ?CERTIFICATE_EXPIRED); path_validation_alert({bad_cert, invalid_issuer}) -> @@ -1393,8 +1419,10 @@ path_validation_alert({bad_cert, name_not_permitted}) -> ?ALERT_REC(?FATAL, ?BAD_CERTIFICATE); 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, {revoked, _}}) -> ?ALERT_REC(?FATAL, ?CERTIFICATE_REVOKED); +path_validation_alert({bad_cert, revocation_status_undetermined}) -> + ?ALERT_REC(?FATAL, ?BAD_CERTIFICATE); path_validation_alert({bad_cert, selfsigned_peer}) -> ?ALERT_REC(?FATAL, ?BAD_CERTIFICATE); path_validation_alert({bad_cert, unknown_ca}) -> @@ -1954,3 +1982,70 @@ handle_psk_identity(_PSKIdentity, LookupFun) error; handle_psk_identity(PSKIdentity, {Fun, UserState}) -> Fun(psk, PSKIdentity, UserState). + +crl_check(_, false, _,_,_, _) -> + valid; +crl_check(_, peer, _, _,_, valid) -> %% Do not check CAs with this option. + valid; +crl_check(OtpCert, Check, CertDbHandle, CertDbRef, {Callback, CRLDbHandle}, _) -> + Options = [{issuer_fun, {fun(_DP, CRL, Issuer, DBInfo) -> + ssl_crl:trusted_cert_and_path(CRL, Issuer, DBInfo) + end, {CertDbHandle, CertDbRef}}}, + {update_crl, fun(DP, CRL) -> Callback:fresh_crl(DP, CRL) end} + ], + case dps_and_crls(OtpCert, Callback, CRLDbHandle, ext) of + no_dps -> + case dps_and_crls(OtpCert, Callback, CRLDbHandle, same_issuer) of + [] -> + valid; %% No relevant CRL existed + Dps -> + crl_check_same_issuer(OtpCert, Check, Dps, Options) + end; + Dps -> %% 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, Dps, Options) of + {bad_cert, revocation_status_undetermined} -> + crl_check_same_issuer(OtpCert, Check, dps_and_crls(OtpCert, Callback, + CRLDbHandle, same_issuer), Options); + Other -> + Other + end + end. + +crl_check_same_issuer(OtpCert, best_effort, Dps, Options) -> + case public_key:pkix_crls_validate(OtpCert, Dps, Options) of + {bad_cert, revocation_status_undetermined} -> + valid; + Other -> + Other + end; +crl_check_same_issuer(OtpCert, _, Dps, Options) -> + public_key:pkix_crls_validate(OtpCert, Dps, Options). + +dps_and_crls(OtpCert, Callback, CRLDbHandle, ext) -> + case public_key:pkix_dist_points(OtpCert) of + [] -> + no_dps; + DistPoints -> + distpoints_lookup(DistPoints, Callback, CRLDbHandle) + end; + +dps_and_crls(OtpCert, Callback, CRLDbHandle, same_issuer) -> + DP = #'DistributionPoint'{distributionPoint = {fullName, GenNames}} = + public_key:pkix_dist_point(OtpCert), + CRLs = lists:flatmap(fun({directoryName, Issuer}) -> + Callback:select(Issuer, CRLDbHandle); + (_) -> + [] + end, GenNames), + [{DP, {CRL, public_key:der_decode('CertificateList', CRL)}} || CRL <- CRLs]. + +distpoints_lookup([], _, _) -> + []; +distpoints_lookup([DistPoint | Rest], Callback, CRLDbHandle) -> + case Callback:lookup(DistPoint, CRLDbHandle) of + not_available -> + distpoints_lookup(Rest, Callback, CRLDbHandle); + CRLs -> + [{DistPoint, {CRL, public_key:der_decode('CertificateList', CRL)}} || CRL <- CRLs] + end. diff --git a/lib/ssl/src/ssl_internal.hrl b/lib/ssl/src/ssl_internal.hrl index 3cf6020169..8df79f9e8c 100644 --- a/lib/ssl/src/ssl_internal.hrl +++ b/lib/ssl/src/ssl_internal.hrl @@ -61,6 +61,8 @@ -define(CDR_HDR_SIZE, 12). -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). @@ -121,7 +123,10 @@ %% Should the server prefer its own cipher order over the one provided by %% the client? honor_cipher_order = false, - padding_check = true + padding_check = true, + fallback = false, + crl_check, + crl_cache }). -record(socket_options, diff --git a/lib/ssl/src/ssl_manager.erl b/lib/ssl/src/ssl_manager.erl index bf0333ba8d..9c4b2a8bad 100644 --- a/lib/ssl/src/ssl_manager.erl +++ b/lib/ssl/src/ssl_manager.erl @@ -26,10 +26,11 @@ %% Internal application API -export([start_link/1, start_link_dist/1, - connection_init/2, cache_pem_file/2, + connection_init/3, cache_pem_file/2, lookup_trusted_cert/4, new_session_id/1, clean_cert_db/2, register_session/2, register_session/3, invalidate_session/2, + insert_crls/2, insert_crls/3, delete_crls/1, delete_crls/2, invalidate_session/3, invalidate_pem/1, clear_pem_cache/0, manager_name/1]). % Spawn export @@ -100,19 +101,19 @@ start_link_dist(Opts) -> gen_server:start_link({local, DistMangerName}, ?MODULE, [DistMangerName, Opts], []). %%-------------------------------------------------------------------- --spec connection_init(binary()| {der, list()}, client | server) -> +-spec connection_init(binary()| {der, list()}, client | server, {Cb :: atom(), Handle:: term()}) -> {ok, certdb_ref(), db_handle(), db_handle(), db_handle(), db_handle()}. %% %% Description: Do necessary initializations for a new connection. %%-------------------------------------------------------------------- -connection_init({der, _} = Trustedcerts, Role) -> - call({connection_init, Trustedcerts, Role}); +connection_init({der, _} = Trustedcerts, Role, CRLCache) -> + call({connection_init, Trustedcerts, Role, CRLCache}); -connection_init(<<>> = Trustedcerts, Role) -> - call({connection_init, Trustedcerts, Role}); +connection_init(<<>> = Trustedcerts, Role, CRLCache) -> + call({connection_init, Trustedcerts, Role, CRLCache}); -connection_init(Trustedcerts, Role) -> - call({connection_init, Trustedcerts, Role}). +connection_init(Trustedcerts, Role, CRLCache) -> + call({connection_init, Trustedcerts, Role, CRLCache}). %%-------------------------------------------------------------------- -spec cache_pem_file(binary(), term()) -> {ok, term()} | {error, reason()}. @@ -124,7 +125,7 @@ cache_pem_file(File, DbHandle) -> [{Content,_}] -> {ok, Content}; [Content] -> - {ok, Content}; + {ok, Content}; undefined -> call({cache_pem, File}) end. @@ -193,11 +194,28 @@ invalidate_session(Host, Port, Session) -> invalidate_session(Port, Session) -> cast({invalidate_session, Port, Session}). - -spec invalidate_pem(File::binary()) -> ok. invalidate_pem(File) -> cast({invalidate_pem, File}). +insert_crls(Path, CRLs)-> + insert_crls(Path, CRLs, normal). +insert_crls(?NO_DIST_POINT_PATH = Path, CRLs, ManagerType)-> + put(ssl_manager, manager_name(ManagerType)), + cast({insert_crls, Path, CRLs}); +insert_crls(Path, CRLs, ManagerType)-> + put(ssl_manager, manager_name(ManagerType)), + call({insert_crls, Path, CRLs}). + +delete_crls(Path)-> + delete_crls(Path, normal). +delete_crls(?NO_DIST_POINT_PATH = Path, ManagerType)-> + put(ssl_manager, manager_name(ManagerType)), + cast({delete_crls, Path}); +delete_crls(Path, ManagerType)-> + put(ssl_manager, manager_name(ManagerType)), + call({delete_crls, Path}). + %%==================================================================== %% gen_server callbacks %%==================================================================== @@ -245,50 +263,38 @@ init([Name, Opts]) -> %% %% Description: Handling call messages %%-------------------------------------------------------------------- -handle_call({{connection_init, <<>>, client}, _Pid}, _From, - #state{certificate_db = [CertDb, FileRefDb, PemChace], - 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, client}, Pid}, _From, - #state{certificate_db = [CertDb, FileRefDb, PemChace] = Db, - session_cache_client = 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({{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}, _}, +handle_call({{connection_init, <<>>, Role, {CRLCb, UserCRLDb}}, _Pid}, _From, + #state{certificate_db = [CertDb, FileRefDb, PemChace | _] = Db} = State) -> + Ref = make_ref(), + Result = {ok, Ref, CertDb, FileRefDb, PemChace, session_cache(Role, State), {CRLCb, crl_db_info(Db, UserCRLDb)}}, + {reply, Result, State#state{certificate_db = Db}}; + +handle_call({{connection_init, Trustedcerts, Role, {CRLCb, UserCRLDb}}, Pid}, _From, + #state{certificate_db = [CertDb, FileRefDb, PemChace | _] = Db} = State) -> + case add_trusted_certs(Pid, Trustedcerts, Db) of + {ok, Ref} -> + {reply, {ok, Ref, CertDb, FileRefDb, PemChace, session_cache(Role, State), + {CRLCb, crl_db_info(Db, UserCRLDb)}}, State}; + {error, _} = Error -> + {reply, Error, State} + end; + +handle_call({{insert_crls, Path, CRLs}, _}, _From, + #state{certificate_db = Db} = State) -> + ssl_pkix_db:add_crls(Db, Path, CRLs), + {reply, ok, State}; + +handle_call({{delete_crls, CRLsOrPath}, _}, _From, + #state{certificate_db = Db} = State) -> + ssl_pkix_db:remove_crls(Db, CRLsOrPath), + {reply, ok, State}; + +handle_call({{new_session_id, Port}, _}, _, #state{session_cache_cb = CacheCb, session_cache_server = Cache} = State) -> Id = new_id(Port, ?GEN_UNIQUE_ID_MAX_TRIES, Cache, CacheCb), {reply, Id, State}; - handle_call({{cache_pem,File}, _Pid}, _, #state{certificate_db = Db} = State) -> try ssl_pkix_db:cache_pem_file(File, Db) of @@ -298,7 +304,7 @@ handle_call({{cache_pem,File}, _Pid}, _, _:Reason -> {reply, {error, Reason}, State} end; -handle_call({unconditionally_clear_pem_cache, _},_, #state{certificate_db = [_,_,PemChace]} = State) -> +handle_call({unconditionally_clear_pem_cache, _},_, #state{certificate_db = [_,_,PemChace | _]} = State) -> ssl_pkix_db:clear(PemChace), {reply, ok, State}. @@ -344,8 +350,19 @@ handle_cast({invalidate_session, Port, #session{session_id = ID} = Session}, session_cache_cb = CacheCb} = State) -> invalidate_session(Cache, CacheCb, {Port, ID}, Session, State); + +handle_cast({insert_crls, Path, CRLs}, + #state{certificate_db = Db} = State) -> + ssl_pkix_db:add_crls(Db, Path, CRLs), + {noreply, State}; + +handle_cast({delete_crls, CRLsOrPath}, + #state{certificate_db = Db} = State) -> + ssl_pkix_db:remove_crls(Db, CRLsOrPath), + {noreply, State}; + handle_cast({invalidate_pem, File}, - #state{certificate_db = [_, _, PemCache]} = State) -> + #state{certificate_db = [_, _, PemCache | _]} = State) -> ssl_pkix_db:remove(File, PemCache), {noreply, State}. @@ -374,7 +391,7 @@ handle_info({delayed_clean_session, Key, Cache}, #state{session_cache_cb = Cache CacheCb:delete(Cache, Key), {noreply, State}; -handle_info(clear_pem_cache, #state{certificate_db = [_,_,PemChace], +handle_info(clear_pem_cache, #state{certificate_db = [_,_,PemChace | _], clear_pem_cache = Interval, last_pem_check = CheckPoint} = State) -> NewCheckPoint = os:timestamp(), @@ -382,9 +399,8 @@ handle_info(clear_pem_cache, #state{certificate_db = [_,_,PemChace], erlang:send_after(Interval, self(), clear_pem_cache), {noreply, State#state{last_pem_check = NewCheckPoint}}; - handle_info({clean_cert_db, Ref, File}, - #state{certificate_db = [CertDb,RefDb, PemCache]} = State) -> + #state{certificate_db = [CertDb,RefDb, PemCache | _]} = State) -> case ssl_pkix_db:lookup(Ref, RefDb) of undefined -> %% Alredy cleaned @@ -606,3 +622,21 @@ is_before_checkpoint(Time, CheckPoint) -> calendar:datetime_to_gregorian_seconds(calendar:now_to_datetime(CheckPoint)) - calendar:datetime_to_gregorian_seconds(Time) > 0. +add_trusted_certs(Pid, Trustedcerts, Db) -> + try + ssl_pkix_db:add_trusted_certs(Pid, Trustedcerts, Db) + catch + _:Reason -> + {error, Reason} + end. + +session_cache(client, #state{session_cache_client = Cache}) -> + Cache; +session_cache(server, #state{session_cache_server = Cache}) -> + Cache. + +crl_db_info([_,_,_,Local], {internal, Info}) -> + {Local, Info}; +crl_db_info(_, UserCRLDb) -> + UserCRLDb. + diff --git a/lib/ssl/src/ssl_pkix_db.erl b/lib/ssl/src/ssl_pkix_db.erl index 8531445ba4..d7b7e3eae3 100644 --- a/lib/ssl/src/ssl_pkix_db.erl +++ b/lib/ssl/src/ssl_pkix_db.erl @@ -27,9 +27,9 @@ -include_lib("public_key/include/public_key.hrl"). -include_lib("kernel/include/file.hrl"). --export([create/0, remove/1, add_trusted_certs/3, +-export([create/0, add_crls/3, remove_crls/2, remove/1, add_trusted_certs/3, remove_trusted_certs/2, insert/3, remove/2, clear/1, db_size/1, - ref_count/3, lookup_trusted_cert/4, foldl/3, + ref_count/3, lookup_trusted_cert/4, foldl/3, select_cert_by_issuer/2, lookup_cached_pem/2, cache_pem_file/2, cache_pem_file/3, lookup/2]). @@ -51,16 +51,24 @@ create() -> ets:new(ssl_otp_cacertificate_db, [set, public]), %% Let connection processes call ref_count/3 directly ets:new(ssl_otp_ca_file_ref, [set, public]), - ets:new(ssl_otp_pem_cache, [set, protected]) + ets:new(ssl_otp_pem_cache, [set, protected]), + %% Default cache + {ets:new(ssl_otp_crl_cache, [set, protected]), + ets:new(ssl_otp_crl_issuer_mapping, [bag, protected])} ]. %%-------------------------------------------------------------------- --spec remove([db_handle()]) -> ok. +-spec remove([db_handle()]) -> ok. %% %% Description: Removes database db %%-------------------------------------------------------------------- remove(Dbs) -> - lists:foreach(fun(Db) -> + lists:foreach(fun({Db0, Db1}) -> + true = ets:delete(Db0), + true = ets:delete(Db1); + (undefined) -> + ok; + (Db) -> true = ets:delete(Db) end, Dbs). @@ -81,7 +89,7 @@ lookup_trusted_cert(DbHandle, Ref, SerialNumber, Issuer) -> {ok, Certs} end. -lookup_cached_pem([_, _, PemChache], File) -> +lookup_cached_pem([_, _, PemChache | _], File) -> lookup_cached_pem(PemChache, File); lookup_cached_pem(PemChache, File) -> lookup(File, PemChache). @@ -94,12 +102,12 @@ lookup_cached_pem(PemChache, File) -> %% runtime database. Returns Ref that should be handed to lookup_trusted_cert %% together with the cert serialnumber and issuer. %%-------------------------------------------------------------------- -add_trusted_certs(_Pid, {der, DerList}, [CerDb, _,_]) -> +add_trusted_certs(_Pid, {der, DerList}, [CertDb, _,_ | _]) -> NewRef = make_ref(), - add_certs_from_der(DerList, NewRef, CerDb), + add_certs_from_der(DerList, NewRef, CertDb), {ok, NewRef}; -add_trusted_certs(_Pid, File, [CertsDb, RefDb, PemChache] = Db) -> +add_trusted_certs(_Pid, File, [CertsDb, RefDb, PemChache | _] = Db) -> case lookup_cached_pem(Db, File) of [{_Content, Ref}] -> ref_count(Ref, RefDb, 1), @@ -118,14 +126,15 @@ add_trusted_certs(_Pid, File, [CertsDb, RefDb, PemChache] = Db) -> %% Description: Cache file as binary in DB %%-------------------------------------------------------------------- -spec cache_pem_file(binary(), [db_handle()]) -> {ok, term()}. -cache_pem_file(File, [_CertsDb, _RefDb, PemChache]) -> +cache_pem_file(File, [_CertsDb, _RefDb, PemChache | _]) -> {ok, PemBin} = file:read_file(File), Content = public_key:pem_decode(PemBin), insert(File, Content, PemChache), {ok, Content}. + -spec cache_pem_file(reference(), binary(), [db_handle()]) -> {ok, term()}. -cache_pem_file(Ref, File, [_CertsDb, _RefDb, PemChache]) -> +cache_pem_file(Ref, File, [_CertsDb, _RefDb, PemChache| _]) -> {ok, PemBin} = file:read_file(File), Content = public_key:pem_decode(PemBin), insert(File, {Content, Ref}, PemChache), @@ -149,6 +158,15 @@ remove(Key, Db) -> ok. %%-------------------------------------------------------------------- +-spec remove(term(), term(), db_handle()) -> ok. +%% +%% Description: Removes an element in a <Db>. +%%-------------------------------------------------------------------- +remove(Key, Data, Db) -> + ets:delete_object(Db, {Key, Data}), + ok. + +%%-------------------------------------------------------------------- -spec lookup(term(), db_handle()) -> [term()] | undefined. %% %% Description: Looks up an element in a <Db>. @@ -175,6 +193,10 @@ lookup(Key, Db) -> foldl(Fun, Acc0, Cache) -> ets:foldl(Fun, Acc0, Cache). + +select_cert_by_issuer(Cache, Issuer) -> + ets:select(Cache, [{{{'_','_', Issuer},{'_', '$1'}},[],['$$']}]). + %%-------------------------------------------------------------------- -spec ref_count(term(), db_handle(), integer()) -> integer(). %% @@ -244,9 +266,39 @@ add_certs(Cert, Ref, CertsDb) -> error_logger:info_report(Report) end. -new_trusted_cert_entry(File, [CertsDb, RefDb, _] = Db) -> +new_trusted_cert_entry(File, [CertsDb, RefDb, _ | _] = Db) -> Ref = make_ref(), update_counter(Ref, 1, RefDb), {ok, Content} = cache_pem_file(Ref, File, Db), add_certs_from_pem(Content, Ref, CertsDb), {ok, Ref}. + +add_crls([_,_,_, {_, Mapping} | _], ?NO_DIST_POINT, CRLs) -> + [add_crls(CRL, Mapping) || CRL <- CRLs]; +add_crls([_,_,_, {Cache, Mapping} | _], Path, CRLs) -> + insert(Path, CRLs, Cache), + [add_crls(CRL, Mapping) || CRL <- CRLs]. + +add_crls(CRL, Mapping) -> + insert(crl_issuer(CRL), CRL, Mapping). + +remove_crls([_,_,_, {_, Mapping} | _], {?NO_DIST_POINT, CRLs}) -> + [rm_crls(CRL, Mapping) || CRL <- CRLs]; + +remove_crls([_,_,_, {Cache, Mapping} | _], Path) -> + case lookup(Path, Cache) of + undefined -> + ok; + CRLs -> + remove(Path, Cache), + [rm_crls(CRL, Mapping) || CRL <- CRLs] + end. + +rm_crls(CRL, Mapping) -> + remove(crl_issuer(CRL), CRL, Mapping). + +crl_issuer(DerCRL) -> + CRL = public_key:der_decode('CertificateList', DerCRL), + TBSCRL = CRL#'CertificateList'.tbsCertList, + TBSCRL#'TBSCertList'.issuer. + diff --git a/lib/ssl/src/tls_handshake.erl b/lib/ssl/src/tls_handshake.erl index 183cabcfcd..b0b6d5a8e3 100644 --- a/lib/ssl/src/tls_handshake.erl +++ b/lib/ssl/src/tls_handshake.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2007-2014. All Rights Reserved. +%% Copyright Ericsson AB 2007-2015. 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 @@ -28,6 +28,7 @@ -include("tls_record.hrl"). -include("ssl_alert.hrl"). -include("ssl_internal.hrl"). +-include("ssl_cipher.hrl"). -include_lib("public_key/include/public_key.hrl"). -export([client_hello/8, hello/4, @@ -47,22 +48,28 @@ %%-------------------------------------------------------------------- client_hello(Host, Port, ConnectionStates, #ssl_options{versions = Versions, - ciphers = UserSuites + ciphers = UserSuites, + fallback = Fallback } = SslOpts, Cache, CacheCb, Renegotiation, OwnCert) -> Version = tls_record:highest_protocol_version(Versions), Pending = ssl_record:pending_connection_state(ConnectionStates, read), SecParams = Pending#connection_state.security_parameters, - CipherSuites = ssl_handshake:available_suites(UserSuites, Version), + AvailableCipherSuites = ssl_handshake:available_suites(UserSuites, Version), Extensions = ssl_handshake:client_hello_extensions(Host, Version, - CipherSuites, + AvailableCipherSuites, SslOpts, ConnectionStates, Renegotiation), - - Id = ssl_session:client_id({Host, Port, SslOpts}, Cache, CacheCb, OwnCert), - + CipherSuites = + case Fallback of + true -> + [?TLS_FALLBACK_SCSV | ssl_handshake:cipher_suites(AvailableCipherSuites, Renegotiation)]; + false -> + ssl_handshake:cipher_suites(AvailableCipherSuites, Renegotiation) + end, + Id = ssl_session:client_id({Host, Port, SslOpts}, Cache, CacheCb, OwnCert), #client_hello{session_id = Id, client_version = Version, - cipher_suites = ssl_handshake:cipher_suites(CipherSuites, Renegotiation), + cipher_suites = CipherSuites, compression_methods = ssl_record:compressions(), random = SecParams#security_parameters.client_random, extensions = Extensions @@ -96,33 +103,22 @@ hello(#server_hello{server_version = Version, random = Random, end; hello(#client_hello{client_version = ClientVersion, - session_id = SugesstedId, - cipher_suites = CipherSuites, - compression_methods = Compressions, - random = Random, - extensions = #hello_extensions{elliptic_curves = Curves} = HelloExt}, + cipher_suites = CipherSuites} = Hello, #ssl_options{versions = Versions} = SslOpts, - {Port, Session0, Cache, CacheCb, ConnectionStates0, Cert}, Renegotiation) -> + Info, Renegotiation) -> Version = ssl_handshake:select_version(tls_record, ClientVersion, Versions), - case tls_record:is_acceptable_version(Version, Versions) of - true -> - ECCCurve = ssl_handshake:select_curve(Curves, ssl_handshake:supported_ecc(Version)), - {Type, #session{cipher_suite = CipherSuite} = Session1} - = ssl_handshake:select_session(SugesstedId, CipherSuites, Compressions, - Port, Session0#session{ecc = ECCCurve}, Version, - SslOpts, Cache, CacheCb, Cert), - case CipherSuite of - no_suite -> - ?ALERT_REC(?FATAL, ?INSUFFICIENT_SECURITY); - _ -> - handle_client_hello_extensions(Version, Type, Random, CipherSuites, HelloExt, - SslOpts, Session1, ConnectionStates0, - Renegotiation) + case ssl_cipher:is_fallback(CipherSuites) of + true -> + Highest = tls_record:highest_protocol_version(Versions), + case tls_record:is_higher(Highest, Version) of + true -> + ?ALERT_REC(?FATAL, ?INAPPROPRIATE_FALLBACK); + false -> + handle_client_hello(Version, Hello, SslOpts, Info, Renegotiation) end; false -> - ?ALERT_REC(?FATAL, ?PROTOCOL_VERSION) + handle_client_hello(Version, Hello, SslOpts, Info, Renegotiation) end. - %%-------------------------------------------------------------------- -spec encode_handshake(tls_handshake(), tls_record:tls_version()) -> iolist(). %% @@ -149,6 +145,32 @@ get_tls_handshake(Version, Data, Buffer) -> %%-------------------------------------------------------------------- %%% Internal functions %%-------------------------------------------------------------------- +handle_client_hello(Version, #client_hello{session_id = SugesstedId, + cipher_suites = CipherSuites, + compression_methods = Compressions, + random = Random, + extensions = #hello_extensions{elliptic_curves = Curves} = HelloExt}, + #ssl_options{versions = Versions} = SslOpts, + {Port, Session0, Cache, CacheCb, ConnectionStates0, Cert}, Renegotiation) -> + case tls_record:is_acceptable_version(Version, Versions) of + true -> + ECCCurve = ssl_handshake:select_curve(Curves, ssl_handshake:supported_ecc(Version)), + {Type, #session{cipher_suite = CipherSuite} = Session1} + = ssl_handshake:select_session(SugesstedId, CipherSuites, Compressions, + Port, Session0#session{ecc = ECCCurve}, Version, + SslOpts, Cache, CacheCb, Cert), + case CipherSuite of + no_suite -> + ?ALERT_REC(?FATAL, ?INSUFFICIENT_SECURITY); + _ -> + handle_client_hello_extensions(Version, Type, Random, CipherSuites, HelloExt, + SslOpts, Session1, ConnectionStates0, + Renegotiation) + end; + false -> + ?ALERT_REC(?FATAL, ?PROTOCOL_VERSION) + end. + get_tls_handshake_aux(Version, <<?BYTE(Type), ?UINT24(Length), Body:Length/binary,Rest/binary>>, Acc) -> Raw = <<?BYTE(Type), ?UINT24(Length), Body/binary>>, diff --git a/lib/ssl/src/tls_record.erl b/lib/ssl/src/tls_record.erl index 3d5c5c0da3..14a49ac7da 100644 --- a/lib/ssl/src/tls_record.erl +++ b/lib/ssl/src/tls_record.erl @@ -41,7 +41,7 @@ %% Protocol version handling -export([protocol_version/1, lowest_protocol_version/2, - highest_protocol_version/1, supported_protocol_versions/0, + highest_protocol_version/1, is_higher/2, supported_protocol_versions/0, is_acceptable_version/1, is_acceptable_version/2]). -export_type([tls_version/0, tls_atom_version/0]). @@ -278,6 +278,13 @@ highest_protocol_version(Version = {M,_}, [{N,_} | Rest]) when M > N -> highest_protocol_version(_, [Version | Rest]) -> highest_protocol_version(Version, Rest). +is_higher({M, N}, {M, O}) when N > O -> + true; +is_higher({M, _}, {N, _}) when M > N -> + true; +is_higher(_, _) -> + false. + %%-------------------------------------------------------------------- -spec supported_protocol_versions() -> [tls_version()]. %% diff --git a/lib/ssl/test/make_certs.erl b/lib/ssl/test/make_certs.erl index 15a7e118ff..77631f62d3 100644 --- a/lib/ssl/test/make_certs.erl +++ b/lib/ssl/test/make_certs.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2007-2012. All Rights Reserved. +%% Copyright Ericsson AB 2007-2015. 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 @@ -324,8 +324,9 @@ eval_cmd(Port, Cmd) -> ok end, receive - {Port, {exit_status, Status}} when Status /= 0 -> - %% io:fwrite("exit status: ~w~n", [Status]), + {Port, {exit_status, 0}} -> + ok; + {Port, {exit_status, Status}} -> exit({eval_cmd, Cmd, Status}) after 0 -> ok @@ -369,7 +370,7 @@ req_cnf(C) -> "subjectKeyIdentifier = hash\n" "subjectAltName = email:copy\n"]. -ca_cnf(C) -> +ca_cnf(C = #config{issuing_distribution_point = true}) -> ["# Purpose: Configuration for CAs.\n" "\n" "ROOTDIR = $ENV::ROOTDIR\n" @@ -446,5 +447,83 @@ ca_cnf(C) -> "subjectAltName = email:copy\n" "issuerAltName = issuer:copy\n" "crlDistributionPoints=@crl_section\n" - ]. + ]; +ca_cnf(C = #config{issuing_distribution_point = false}) -> + ["# Purpose: Configuration for CAs.\n" + "\n" + "ROOTDIR = $ENV::ROOTDIR\n" + "default_ca = ca\n" + "\n" + + "[ca]\n" + "dir = $ROOTDIR/", C#config.commonName, "\n" + "certs = $dir/certs\n" + "crl_dir = $dir/crl\n" + "database = $dir/index.txt\n" + "new_certs_dir = $dir/newcerts\n" + "certificate = $dir/cert.pem\n" + "serial = $dir/serial\n" + "crl = $dir/crl.pem\n", + ["crlnumber = $dir/crlnumber\n" || C#config.v2_crls], + "private_key = $dir/private/key.pem\n" + "RANDFILE = $dir/private/RAND\n" + "\n" + "x509_extensions = user_cert\n", + ["crl_extensions = crl_ext\n" || C#config.v2_crls], + "unique_subject = no\n" + "default_days = 3600\n" + "default_md = md5\n" + "preserve = no\n" + "policy = policy_match\n" + "\n" + + "[policy_match]\n" + "commonName = supplied\n" + "organizationalUnitName = optional\n" + "organizationName = match\n" + "countryName = match\n" + "localityName = match\n" + "emailAddress = supplied\n" + "\n" + + "[crl_ext]\n" + "authorityKeyIdentifier=keyid:always,issuer:always\n", + %["issuingDistributionPoint=critical, @idpsec\n" || C#config.issuing_distribution_point], + + %"[idpsec]\n" + %"fullname=URI:http://localhost:8000/",C#config.commonName,"/crl.pem\n" + + "[user_cert]\n" + "basicConstraints = CA:false\n" + "keyUsage = nonRepudiation, digitalSignature, keyEncipherment\n" + "subjectKeyIdentifier = hash\n" + "authorityKeyIdentifier = keyid,issuer:always\n" + "subjectAltName = email:copy\n" + "issuerAltName = issuer:copy\n" + %"crlDistributionPoints=@crl_section\n" + + %%"[crl_section]\n" + %% intentionally invalid + %%"URI.1=http://localhost/",C#config.commonName,"/crl.pem\n" + %%"URI.2=http://localhost:",integer_to_list(C#config.crl_port),"/",C#config.commonName,"/crl.pem\n" + %%"\n" + + "[user_cert_digital_signature_only]\n" + "basicConstraints = CA:false\n" + "keyUsage = digitalSignature\n" + "subjectKeyIdentifier = hash\n" + "authorityKeyIdentifier = keyid,issuer:always\n" + "subjectAltName = email:copy\n" + "issuerAltName = issuer:copy\n" + "\n" + + "[ca_cert]\n" + "basicConstraints = critical,CA:true\n" + "keyUsage = cRLSign, keyCertSign\n" + "subjectKeyIdentifier = hash\n" + "authorityKeyIdentifier = keyid:always,issuer:always\n" + "subjectAltName = email:copy\n" + "issuerAltName = issuer:copy\n" + %"crlDistributionPoints=@crl_section\n" + ]. diff --git a/lib/ssl/test/ssl_basic_SUITE.erl b/lib/ssl/test/ssl_basic_SUITE.erl index 77ef8088b4..50d5fb411f 100644 --- a/lib/ssl/test/ssl_basic_SUITE.erl +++ b/lib/ssl/test/ssl_basic_SUITE.erl @@ -91,7 +91,8 @@ basic_tests() -> connect_twice, connect_dist, clear_pem_cache, - defaults + defaults, + fallback ]. options_tests() -> @@ -284,6 +285,14 @@ init_per_testcase(empty_protocol_versions, Config) -> ssl:start(), Config; +init_per_testcase(fallback, Config) -> + case tls_record:highest_protocol_version([]) of + {3, N} when N > 1 -> + Config; + _ -> + {skip, "Not relevant if highest supported version is less than 3.2"} + end; + %% init_per_testcase(different_ca_peer_sign, Config0) -> %% ssl_test_lib:make_mix_cert(Config0); @@ -629,7 +638,7 @@ clear_pem_cache(Config) when is_list(Config) -> {status, _, _, StatusInfo} = sys:get_status(whereis(ssl_manager)), [_, _,_, _, Prop] = StatusInfo, State = ssl_test_lib:state(Prop), - [_,FilRefDb, _] = element(6, State), + [_,FilRefDb |_] = element(6, State), {Server, Client} = basic_verify_test_no_close(Config), 2 = ets:info(FilRefDb, size), ssl:clear_pem_cache(), @@ -648,6 +657,34 @@ clear_pem_cache(Config) when is_list(Config) -> 0 = ets:info(FilRefDb, size). %%-------------------------------------------------------------------- + +fallback() -> + [{doc, "Test TLS_FALLBACK_SCSV downgrade prevention"}]. + +fallback(Config) when is_list(Config) -> + ClientOpts = ?config(client_opts, Config), + ServerOpts = ?config(server_opts, Config), + {ClientNode, ServerNode, Hostname} = ssl_test_lib:run_where(Config), + + Server = + ssl_test_lib:start_server_error([{node, ServerNode}, {port, 0}, + {from, self()}, + {options, ServerOpts}]), + + Port = ssl_test_lib:inet_port(Server), + + Client = + ssl_test_lib:start_client_error([{node, ClientNode}, + {port, Port}, {host, Hostname}, + {from, self()}, {options, + [{fallback, true}, + {versions, ['tlsv1']} + | ClientOpts]}]), + + ssl_test_lib:check_result(Server, {error,{tls_alert,"inappropriate fallback"}}, + Client, {error,{tls_alert,"inappropriate fallback"}}). + +%%-------------------------------------------------------------------- peername() -> [{doc,"Test API function peername/1"}]. diff --git a/lib/ssl/test/ssl_crl_SUITE.erl b/lib/ssl/test/ssl_crl_SUITE.erl index bad0949ec4..c6bf8898ad 100644 --- a/lib/ssl/test/ssl_crl_SUITE.erl +++ b/lib/ssl/test/ssl_crl_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2008-2013. All Rights Reserved. +%% Copyright Ericsson AB 2008-2015. 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 @@ -26,43 +26,40 @@ -include_lib("common_test/include/ct.hrl"). -include_lib("public_key/include/public_key.hrl"). --define(TIMEOUT, 120000). -define(LONG_TIMEOUT, 600000). --define(SLEEP, 1000). --define(OPENSSL_RENEGOTIATE, "R\n"). --define(OPENSSL_QUIT, "Q\n"). --define(OPENSSL_GARBAGE, "P\n"). --define(EXPIRE, 10). %%-------------------------------------------------------------------- %% Common Test interface functions ----------------------------------- %%-------------------------------------------------------------------- -suite() -> [{ct_hooks,[ts_install_cth]}]. +suite() -> + [{ct_hooks,[ts_install_cth]}]. all() -> [ - {group, basic}, - {group, v1_crl}, - {group, idp_crl} + {group, check_true}, + {group, check_peer}, + {group, check_best_effort} ]. groups() -> - [{basic, [], basic_tests()}, - {v1_crl, [], v1_crl_tests()}, - {idp_crl, [], idp_crl_tests()}]. + [ + {check_true, [], [{group, v2_crl}, + {group, v1_crl}, + {group, idp_crl}]}, + {check_peer, [], [{group, v2_crl}, + {group, v1_crl}, + {group, idp_crl}]}, + {check_best_effort, [], [{group, v2_crl}, + {group, v1_crl}, + {group, idp_crl}]}, + {v2_crl, [], basic_tests()}, + {v1_crl, [], basic_tests()}, + {idp_crl, [], basic_tests()}]. basic_tests() -> [crl_verify_valid, crl_verify_revoked]. -v1_crl_tests() -> - [crl_verify_valid, crl_verify_revoked]. - -idp_crl_tests() -> - [crl_verify_valid, crl_verify_revoked]. - -%%%================================================================ -%%% Suite init/end init_per_suite(Config0) -> Dog = ct:timetrap(?LONG_TIMEOUT *2), @@ -70,10 +67,7 @@ init_per_suite(Config0) -> false -> {skip, "Openssl not found"}; _ -> - TLSVersion = ?config(tls_version, Config0), OpenSSL_version = (catch os:cmd("openssl version")), - ct:log("TLS version: ~p~nOpenSSL version: ~p~n~n~p:module_info(): ~p~n~nssl:module_info(): ~p~n", - [TLSVersion, OpenSSL_version, ?MODULE, ?MODULE:module_info(), ssl:module_info()]), case ssl_test_lib:enough_openssl_crl_support(OpenSSL_version) of false -> {skip, io_lib:format("Bad openssl version: ~p",[OpenSSL_version])}; @@ -81,7 +75,6 @@ init_per_suite(Config0) -> catch crypto:stop(), try crypto:start() of ok -> - ssl:start(), {ok, Hostname0} = inet:gethostname(), IPfamily = case lists:member(list_to_atom(Hostname0), ct:get_config(ipv6_hosts,[])) of @@ -89,8 +82,7 @@ init_per_suite(Config0) -> false -> inet end, [{ipfamily,IPfamily}, {watchdog, Dog}, {openssl_version,OpenSSL_version} | Config0] - catch _C:_E -> - ct:log("crypto:start() caught ~p:~p",[_C,_E]), + catch _:_ -> {skip, "Crypto did not start"} end end @@ -100,443 +92,175 @@ end_per_suite(_Config) -> ssl:stop(), application:stop(crypto). -%%%================================================================ -%%% Group init/end - -init_per_group(Group, Config) -> - ssl:start(), - inets:start(), - CertDir = filename:join(?config(priv_dir, Config), Group), - DataDir = ?config(data_dir, Config), - ServerRoot = make_dir_path([?config(priv_dir,Config), Group, tmp]), - %% start a HTTP server to serve the CRLs - {ok, Httpd} = inets:start(httpd, [{ipfamily, ?config(ipfamily,Config)}, - {server_name, "localhost"}, {port, 0}, - {server_root, ServerRoot}, - {document_root, CertDir}, - {modules, [mod_get]} - ]), - [{port,Port}] = httpd:info(Httpd, [port]), - ct:log("~p:~p~nHTTPD IP family=~p, port=~p~n", [?MODULE, ?LINE, ?config(ipfamily,Config), Port]), - CertOpts = [{crl_port,Port}|cert_opts(Group)], - Result = make_certs:all(DataDir, CertDir, CertOpts), - ct:log("~p:~p~nmake_certs:all(~n DataDir=~p,~n CertDir=~p,~n ServerRoot=~p~n Opts=~p~n) returned ~p~n", [?MODULE,?LINE,DataDir, CertDir, ServerRoot, CertOpts, Result]), - [{make_cert_result, Result}, {cert_dir, CertDir}, {httpd, Httpd} | Config]. - -cert_opts(v1_crl) -> [{v2_crls, false}]; -cert_opts(idp_crl) -> [{issuing_distribution_point, true}]; -cert_opts(_) -> []. - -make_dir_path(PathComponents) -> - lists:foldl(fun(F,P0) -> file:make_dir(P=filename:join(P0,F)), P end, - "", - PathComponents). - +init_per_group(check_true, Config) -> + [{crl_check, true} | Config]; +init_per_group(check_peer, Config) -> + [{crl_check, peer} | Config]; +init_per_group(check_best_effort, Config) -> + [{crl_check, best_effort} | Config]; +init_per_group(Group, Config0) -> + case is_idp(Group) of + true -> + [{idp_crl, true} | Config0]; + false -> + DataDir = ?config(data_dir, Config0), + CertDir = filename:join(?config(priv_dir, Config0), Group), + {CertOpts, Config} = init_certs(CertDir, Group, Config0), + Result = make_certs:all(DataDir, CertDir, CertOpts), + [{make_cert_result, Result}, {cert_dir, CertDir}, {idp_crl, false} | Config] + end. end_per_group(_GroupName, Config) -> - case ?config(httpd, Config) of - undefined -> ok; - Pid -> - ct:log("Stop httpd ~p",[Pid]), - ok = inets:stop(httpd, Pid) - ,ct:log("Stopped",[]) - end, - inets:stop(), + Config. +init_per_testcase(Case, Config0) -> + case ?config(idp_crl, Config0) of + true -> + end_per_testcase(Case, Config0), + inets:start(), + ssl:start(), + ServerRoot = make_dir_path([?config(priv_dir, Config0), idp_crl, tmp]), + %% start a HTTP server to serve the CRLs + {ok, Httpd} = inets:start(httpd, [{ipfamily, ?config(ipfamily, Config0)}, + {server_name, "localhost"}, {port, 0}, + {server_root, ServerRoot}, + {document_root, + filename:join(?config(priv_dir, Config0), idp_crl)} + ]), + [{port,Port}] = httpd:info(Httpd, [port]), + Config = [{httpd_port, Port} | Config0], + DataDir = ?config(data_dir, Config), + CertDir = filename:join(?config(priv_dir, Config0), idp_crl), + {CertOpts, Config} = init_certs(CertDir, idp_crl, Config), + Result = make_certs:all(DataDir, CertDir, CertOpts), + [{make_cert_result, Result}, {cert_dir, CertDir} | Config]; + false -> + end_per_testcase(Case, Config0), + ssl:start(), + Config0 + end. + +end_per_testcase(_, Config) -> + case ?config(idp_crl, Config) of + true -> + ssl:stop(), + inets:stop(); + false -> + ssl:stop() + end. + %%%================================================================ %%% Test cases +%%%================================================================ crl_verify_valid() -> [{doc,"Verify a simple valid CRL chain"}]. crl_verify_valid(Config) when is_list(Config) -> - process_flag(trap_exit, true), PrivDir = ?config(cert_dir, Config), - ServerOpts = [{keyfile, filename:join([PrivDir, "server", "key.pem"])}, - {certfile, filename:join([PrivDir, "server", "cert.pem"])}, - {cacertfile, filename:join([PrivDir, "server", "cacerts.pem"])}], - + Check = ?config(crl_check, Config), + ServerOpts = [{keyfile, filename:join([PrivDir, "server", "key.pem"])}, + {certfile, filename:join([PrivDir, "server", "cert.pem"])}, + {cacertfile, filename:join([PrivDir, "server", "cacerts.pem"])}], + ClientOpts = case ?config(idp_crl, Config) of + true -> + [{cacertfile, filename:join([PrivDir, "server", "cacerts.pem"])}, + {crl_check, Check}, + {crl_cache, {ssl_crl_cache, {internal, [{http, 5000}]}}}, + {verify, verify_peer}]; + false -> + [{cacertfile, filename:join([PrivDir, "server", "cacerts.pem"])}, + {crl_check, Check}, + {verify, verify_peer}] + end, {ClientNode, ServerNode, Hostname} = ssl_test_lib:run_where(Config), - Data = "From openssl to erlang", - Server = ssl_test_lib:start_server([{node, ServerNode}, {port, 0}, - {from, self()}, - {mfa, {?MODULE, erlang_ssl_receive, [Data]}}, - %{mfa, {ssl_test_lib, no_result, []}}, - {options, ServerOpts}]), - ct:log("~p:~p~nreturn from ssl_test_lib:start_server:~n~p",[?MODULE,?LINE,Server]), - Port = ssl_test_lib:inet_port(Server), - - CACerts = load_cert(filename:join([PrivDir, "erlangCA", "cacerts.pem"])), - - ClientOpts = [{cacerts, CACerts}, - {verify, verify_peer}, - {verify_fun, {fun validate_function/3, {CACerts, []}}}], - - - ct:log("~p:~p~ncalling ssl_test_lib:start_client",[?MODULE,?LINE]), - Client = ssl_test_lib:start_client([{node, ClientNode}, {port, Port}, - {host, Hostname}, - {from, self()}, - {mfa, {?MODULE, - erlang_ssl_send, [Data]}}, - %{mfa, {ssl_test_lib, no_result, []}}, - {options, ClientOpts}]), - ct:log("~p:~p~nreturn from ssl_test_lib:start_client:~n~p",[?MODULE,?LINE,Client]), - - ssl_test_lib:check_result(Client, ok, Server, ok), - - %% Clean close down! Server needs to be closed first !! - ssl_test_lib:close(Server), - ssl_test_lib:close(Client), - process_flag(trap_exit, false). + ssl_crl_cache:insert({file, filename:join([PrivDir, "erlangCA", "crl.pem"])}), + ssl_crl_cache:insert({file, filename:join([PrivDir, "otpCA", "crl.pem"])}), + + crl_verify_valid(Hostname, ServerNode, ServerOpts, ClientNode, ClientOpts). crl_verify_revoked() -> - [{doc,"Verify a simple valid CRL chain"}]. -crl_verify_revoked(Config) when is_list(Config) -> - process_flag(trap_exit, true), + [{doc,"Verify a simple CRL chain when peer cert is reveoked"}]. +crl_verify_revoked(Config) when is_list(Config) -> PrivDir = ?config(cert_dir, Config), + Check = ?config(crl_check, Config), ServerOpts = [{keyfile, filename:join([PrivDir, "revoked", "key.pem"])}, - {certfile, filename:join([PrivDir, "revoked", "cert.pem"])}, - {cacertfile, filename:join([PrivDir, "revoked", "cacerts.pem"])}], - ct:log("~p:~p~nserver opts ~p~n", [?MODULE,?LINE, ServerOpts]), + {certfile, filename:join([PrivDir, "revoked", "cert.pem"])}, + {cacertfile, filename:join([PrivDir, "revoked", "cacerts.pem"])}], {ClientNode, ServerNode, Hostname} = ssl_test_lib:run_where(Config), - Server = ssl_test_lib:start_server([{node, ServerNode}, {port, 0}, - {from, self()}, - %{mfa, {?MODULE, erlang_ssl_receive, [Data]}}, - {mfa, {ssl_test_lib, no_result, []}}, - {options, ServerOpts}]), + Server = ssl_test_lib:start_server_error([{node, ServerNode}, {port, 0}, + {from, self()}, + {options, ServerOpts}]), Port = ssl_test_lib:inet_port(Server), + + ssl_crl_cache:insert({file, filename:join([PrivDir, "erlangCA", "crl.pem"])}), + ssl_crl_cache:insert({file, filename:join([PrivDir, "otpCA", "crl.pem"])}), + + ClientOpts = case ?config(idp_crl, Config) of + true -> + [{cacertfile, filename:join([PrivDir, "revoked", "cacerts.pem"])}, + {crl_cache, {ssl_crl_cache, {internal, [{http, 5000}]}}}, + {crl_check, Check}, + {verify, verify_peer}]; + false -> + [{cacertfile, filename:join([PrivDir, "revoked", "cacerts.pem"])}, + {crl_check, Check}, + {verify, verify_peer}] + end, + + Client = ssl_test_lib:start_client_error([{node, ClientNode}, {port, Port}, + {host, Hostname}, + {from, self()}, + {options, ClientOpts}]), + receive + {Server, AlertOrColse} -> + ct:pal("Server Alert or Close ~p", [AlertOrColse]) + end, + ssl_test_lib:check_result(Client, {error, {tls_alert, "certificate revoked"}}). - CACerts = load_cert(filename:join([PrivDir, "erlangCA", "cacerts.pem"])), - ClientOpts = [{cacerts, CACerts}, - {verify, verify_peer}, - {verify_fun, {fun validate_function/3, {CACerts, []}}}], - {connect_failed, _} = ssl_test_lib:start_client([{node, ClientNode}, {port, Port}, +crl_verify_valid(Hostname, ServerNode, ServerOpts, ClientNode, ClientOpts) -> + Server = ssl_test_lib:start_server([{node, ServerNode}, {port, 0}, + {from, self()}, + {mfa, {ssl_test_lib, + send_recv_result_active, []}}, + {options, ServerOpts}]), + Port = ssl_test_lib:inet_port(Server), + Client = ssl_test_lib:start_client([{node, ClientNode}, {port, Port}, {host, Hostname}, {from, self()}, - %{mfa, {?MODULE, - %erlang_ssl_receive, [Data]}}, - {mfa, {ssl_test_lib, no_result, []}}, + {mfa, {ssl_test_lib, + send_recv_result_active, []}}, {options, ClientOpts}]), + + ssl_test_lib:check_result(Client, ok, Server, ok), - %% Clean close down! Server needs to be closed first !! ssl_test_lib:close(Server), - process_flag(trap_exit, false). - -%%%================================================================ -%%% Lib - -erlang_ssl_receive(Socket, Data) -> - ct:log("~p:~p~nConnection info: ~p~n", - [?MODULE,?LINE, ssl:connection_info(Socket)]), - receive - {ssl, Socket, Data} -> - ct:log("~p:~p~nReceived ~p~n",[?MODULE,?LINE, Data]), - %% open_ssl server sometimes hangs waiting in blocking read - ssl:send(Socket, "Got it"), - ok; - {ssl, Socket, Byte} when length(Byte) == 1 -> - erlang_ssl_receive(Socket, tl(Data)); - {Port, {data,Debug}} when is_port(Port) -> - ct:log("~p:~p~nopenssl ~s~n",[?MODULE,?LINE, Debug]), - erlang_ssl_receive(Socket,Data); - Other -> - ct:fail({unexpected_message, Other}) - after 4000 -> - ct:fail({did_not_get, Data}) - end. - - -erlang_ssl_send(Socket, Data) -> - ct:log("~p:~p~nConnection info: ~p~n", - [?MODULE,?LINE, ssl:connection_info(Socket)]), - ssl:send(Socket, Data), - ok. - -load_certs(undefined) -> - undefined; -load_certs(CertDir) -> - case file:list_dir(CertDir) of - {ok, Certs} -> - load_certs(lists:map(fun(Cert) -> filename:join(CertDir, Cert) - end, Certs), []); - {error, _} -> - undefined - end. - -load_certs([], Acc) -> - ct:log("~p:~p~nSuccessfully loaded ~p CA certificates~n", [?MODULE,?LINE, length(Acc)]), - Acc; -load_certs([Cert|Certs], Acc) -> - case filelib:is_dir(Cert) of - true -> - load_certs(Certs, Acc); - _ -> - %ct:log("~p:~p~nLoading certificate ~p~n", [?MODULE,?LINE, Cert]), - load_certs(Certs, load_cert(Cert) ++ Acc) - end. - -load_cert(Cert) -> - {ok, Bin} = file:read_file(Cert), - case filename:extension(Cert) of - ".der" -> - %% no decoding necessary - [Bin]; - _ -> - %% assume PEM otherwise - Contents = public_key:pem_decode(Bin), - [DER || {Type, DER, Cipher} <- Contents, Type == 'Certificate', Cipher == 'not_encrypted'] - end. - -%% @doc Validator function for SSL negotiation. -%% -validate_function(Cert, valid_peer, State) -> - ct:log("~p:~p~nvaliding peer ~p with ~p intermediate certs~n", - [?MODULE,?LINE, get_common_name(Cert), - length(element(2, State))]), - %% peer certificate validated, now check the CRL - Res = (catch check_crl(Cert, State)), - ct:log("~p:~p~nCRL validate result for ~p: ~p~n", - [?MODULE,?LINE, get_common_name(Cert), Res]), - {Res, State}; -validate_function(Cert, valid, {TrustedCAs, IntermediateCerts}=State) -> - case public_key:pkix_is_self_signed(Cert) of - true -> - ct:log("~p:~p~nroot certificate~n",[?MODULE,?LINE]), - %% this is a root cert, no CRL - {valid, {TrustedCAs, [Cert|IntermediateCerts]}}; - false -> - %% check is valid CA certificate, add to the list of - %% intermediates - Res = (catch check_crl(Cert, State)), - ct:log("~p:~p~nCRL intermediate CA validate result for ~p: ~p~n", - [?MODULE,?LINE, get_common_name(Cert), Res]), - {Res, {TrustedCAs, [Cert|IntermediateCerts]}} - end; -validate_function(_Cert, _Event, State) -> - %ct:log("~p:~p~nignoring event ~p~n", [?MODULE,?LINE, _Event]), - {valid, State}. + ssl_test_lib:close(Client). -%% @doc Given a certificate, find CRL distribution points for the given -%% certificate, fetch, and attempt to validate each CRL through -%% issuer_function/4. -%% -check_crl(Cert, State) -> - %% pull the CRL distribution point(s) out of the certificate, if any - ct:log("~p:~p~ncheck_crl(~n Cert=~p,~nState=~p~n)",[?MODULE,?LINE,Cert,State]), - case pubkey_cert:select_extension( - ?'id-ce-cRLDistributionPoints', - pubkey_cert:extensions_list(Cert#'OTPCertificate'.tbsCertificate#'OTPTBSCertificate'.extensions)) of - undefined -> - ct:log("~p:~p~nno CRL distribution points for ~p~n", - [?MODULE,?LINE, get_common_name(Cert)]), - %% fail; we can't validate if there's no CRL - no_crl; - CRLExtension -> - ct:log("~p:~p~nCRLExtension=~p)",[?MODULE,?LINE,CRLExtension]), - CRLDistPoints = CRLExtension#'Extension'.extnValue, - DPointsAndCRLs = lists:foldl(fun(Point, Acc) -> - %% try to read the CRL over http or from a - %% local file - case fetch_point(Point) of - not_available -> - ct:log("~p:~p~nfetch_point returned~n~p~n)",[?MODULE,?LINE,not_available]), - Acc; - Res -> - ct:log("~p:~p~nfetch_point returned~n~p~n)",[?MODULE,?LINE,Res]), - [{Point, Res} | Acc] - end - end, [], CRLDistPoints), - public_key:pkix_crls_validate(Cert, - DPointsAndCRLs, - [{issuer_fun, - {fun issuer_function/4, State}}]) - end. - -%% @doc Given a list of distribution points for CRLs, certificates and -%% both trusted and intermediary certificates, attempt to build and -%% authority chain back via build_chain to verify that it is valid. -%% -issuer_function(_DP, CRL, _Issuer, {TrustedCAs, IntermediateCerts}) -> - %% XXX the 'Issuer' we get passed here is the AuthorityKeyIdentifier, - %% which we are not currently smart enough to understand - %% Read the CA certs out of the file - ct:log("~p:~p~nissuer_function(~nCRL=~p,~nLast param=~p)",[?MODULE,?LINE,CRL, {TrustedCAs, IntermediateCerts}]), - Certs = [public_key:pkix_decode_cert(DER, otp) || DER <- TrustedCAs], - %% get the real issuer out of the CRL - Issuer = public_key:pkix_normalize_name( - pubkey_cert_records:transform( - CRL#'CertificateList'.tbsCertList#'TBSCertList'.issuer, decode)), - %% assume certificates are ordered from root to tip - case find_issuer(Issuer, IntermediateCerts ++ Certs) of - undefined -> - ct:log("~p:~p~nunable to find certificate matching CRL issuer ~p~n", - [?MODULE,?LINE, Issuer]), - error; - IssuerCert -> - ct:log("~p:~p~nIssuerCert=~p~n)",[?MODULE,?LINE,IssuerCert]), - case build_chain({public_key:pkix_encode('OTPCertificate', - IssuerCert, - otp), - IssuerCert}, IntermediateCerts, Certs, []) of - undefined -> - error; - {OTPCert, Path} -> - {ok, OTPCert, Path} - end - end. - -%% @doc Attempt to build authority chain back using intermediary -%% certificates, falling back on trusted certificates if the -%% intermediary chain of certificates does not fully extend to the -%% root. -%% -%% Returns: {RootCA :: #OTPCertificate{}, Chain :: [der_encoded()]} -%% -build_chain({DER, Cert}, IntCerts, TrustedCerts, Acc) -> - %% check if this cert is self-signed, if it is, we've reached the - %% root of the chain - Issuer = public_key:pkix_normalize_name( - Cert#'OTPCertificate'.tbsCertificate#'OTPTBSCertificate'.issuer), - Subject = public_key:pkix_normalize_name( - Cert#'OTPCertificate'.tbsCertificate#'OTPTBSCertificate'.subject), - case Issuer == Subject of - true -> - case find_issuer(Issuer, TrustedCerts) of - undefined -> - ct:log("~p:~p~nself-signed certificate is NOT trusted~n",[?MODULE,?LINE]), - undefined; - TrustedCert -> - %% return the cert from the trusted list, to prevent - %% issuer spoofing - {TrustedCert, - [public_key:pkix_encode( - 'OTPCertificate', TrustedCert, otp)|Acc]} - end; - false -> - Match = lists:foldl( - fun(C, undefined) -> - S = public_key:pkix_normalize_name(C#'OTPCertificate'.tbsCertificate#'OTPTBSCertificate'.subject), - %% compare the subject to the current issuer - case Issuer == S of - true -> - %% we've found our man - {public_key:pkix_encode('OTPCertificate', C, otp), C}; - false -> - undefined - end; - (_E, A) -> - %% already matched - A - end, undefined, IntCerts), - case Match of - undefined when IntCerts /= TrustedCerts -> - %% continue the chain by using the trusted CAs - ct:log("~p:~p~nRan out of intermediate certs, switching to trusted certs~n",[?MODULE,?LINE]), - build_chain({DER, Cert}, TrustedCerts, TrustedCerts, Acc); - undefined -> - ct:log("Can't construct chain of trust beyond ~p~n", - [?MODULE,?LINE, get_common_name(Cert)]), - %% can't find the current cert's issuer - undefined; - Match -> - build_chain(Match, IntCerts, TrustedCerts, [DER|Acc]) - end - end. - -%% @doc Given a certificate and a list of trusted or intermediary -%% certificates, attempt to find a match in the list or bail with -%% undefined. -find_issuer(Issuer, Certs) -> - lists:foldl( - fun(OTPCert, undefined) -> - %% check if this certificate matches the issuer - Normal = public_key:pkix_normalize_name( - OTPCert#'OTPCertificate'.tbsCertificate#'OTPTBSCertificate'.subject), - case Normal == Issuer of - true -> - OTPCert; - false -> - undefined - end; - (_E, Acc) -> - %% already found a match - Acc - end, undefined, Certs). - -%% @doc Find distribution points for a given CRL and then attempt to -%% fetch the CRL from the first available. -fetch_point(#'DistributionPoint'{distributionPoint={fullName, Names}}) -> - Decoded = [{NameType, - pubkey_cert_records:transform(Name, decode)} - || {NameType, Name} <- Names], - ct:log("~p:~p~ncall fetch(~nDecoded=~p~n)",[?MODULE,?LINE,Decoded]), - fetch(Decoded). - -%% @doc Given a list of locations to retrieve a CRL from, attempt to -%% retrieve either from a file or http resource and bail as soon as -%% it can be found. -%% -%% Currently, only hand a armored PEM or DER encoded file, with -%% defaulting to DER. -%% -fetch([]) -> - not_available; -fetch([{uniformResourceIdentifier, "http"++_=URL}|Rest]) -> - ct:log("~p:~p~ngetting CRL from ~p~n", [?MODULE,?LINE, URL]), - case httpc:request(get, {URL, []}, [], [{body_format, binary}]) of - {ok, {_Status, _Headers, Body}} -> - case Body of - <<"-----BEGIN", _/binary>> -> - ct:log("~p:~p~npublic_key:pem_decode,~nBody=~p~n)",[?MODULE,?LINE,Body]), - [{'CertificateList', - DER, _}=CertList] = public_key:pem_decode(Body), - ct:log("~p:~p~npublic_key:pem_entry_decode,~nCertList=~p~n)",[?MODULE,?LINE,CertList]), - {DER, public_key:pem_entry_decode(CertList)}; - _ -> - ct:log("~p:~p~npublic_key:pem_entry_decode,~nBody=~p~n)",[?MODULE,?LINE,{'CertificateList', Body, not_encrypted}]), - %% assume DER encoded - try - public_key:pem_entry_decode({'CertificateList', Body, not_encrypted}) - of - CertList -> {Body, CertList} - catch - _C:_E -> - ct:log("~p:~p~nfailed DER assumption~nRest=~p", [?MODULE,?LINE,Rest]), - fetch(Rest) - end - end; - {error, _Reason} -> - ct:log("~p:~p~nfailed to get CRL ~p~n", [?MODULE,?LINE, _Reason]), - fetch(Rest); - Other -> - ct:log("~p:~p~nreally failed to get CRL ~p~n", [?MODULE,?LINE, Other]), - fetch(Rest) - end; -fetch([Loc|Rest]) -> - %% unsupported CRL location - ct:log("~p:~p~nunable to fetch CRL from unsupported location ~p~n", - [?MODULE,?LINE, Loc]), - fetch(Rest). +%%-------------------------------------------------------------------- +%% Internal functions ------------------------------------------------ +%%-------------------------------------------------------------------- +is_idp(idp_crl) -> + true; +is_idp(_) -> + false. + +init_certs(_,v1_crl, Config) -> + {[{v2_crls, false}], Config}; +init_certs(_, idp_crl, Config) -> + Port = ?config(httpd_port, Config), + {[{crl_port,Port}, + {issuing_distribution_point, true}], Config + }; +init_certs(_,_,Config) -> + {[], Config}. -%% get the common name attribute out of an OTPCertificate record -get_common_name(OTPCert) -> - %% You'd think there'd be an easier way than this giant mess, but I - %% couldn't find one. - {rdnSequence, Subject} = OTPCert#'OTPCertificate'.tbsCertificate#'OTPTBSCertificate'.subject, - case [Attribute#'AttributeTypeAndValue'.value || [Attribute] <- Subject, - Attribute#'AttributeTypeAndValue'.type == ?'id-at-commonName'] of - [Att] -> - case Att of - {teletexString, Str} -> Str; - {printableString, Str} -> Str; - {utf8String, Bin} -> binary_to_list(Bin) - end; - _ -> - unknown - end. +make_dir_path(PathComponents) -> + lists:foldl(fun(F,P0) -> file:make_dir(P=filename:join(P0,F)), P end, + "", + PathComponents). diff --git a/lib/ssl/test/ssl_pem_cache_SUITE.erl b/lib/ssl/test/ssl_pem_cache_SUITE.erl index 843079e2fe..23584dfcdf 100644 --- a/lib/ssl/test/ssl_pem_cache_SUITE.erl +++ b/lib/ssl/test/ssl_pem_cache_SUITE.erl @@ -113,9 +113,9 @@ get_pem_cache() -> {status, _, _, StatusInfo} = sys:get_status(whereis(ssl_manager)), [_, _,_, _, Prop] = StatusInfo, State = ssl_test_lib:state(Prop), - case element(5, State) of - [_CertDb, _FileRefDb, PemChace] -> - PemChace; + case element(6, State) of + [_CertDb, _FileRefDb, PemCache| _] -> + PemCache; _ -> undefined end. diff --git a/lib/ssl/test/ssl_session_cache_SUITE.erl b/lib/ssl/test/ssl_session_cache_SUITE.erl index 06a41f1260..36d086338e 100644 --- a/lib/ssl/test/ssl_session_cache_SUITE.erl +++ b/lib/ssl/test/ssl_session_cache_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2010-2014. All Rights Reserved. +%% Copyright Ericsson AB 2010-2015. 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 diff --git a/lib/ssl/test/ssl_test_lib.erl b/lib/ssl/test/ssl_test_lib.erl index d6fbb73249..7d0546210c 100644 --- a/lib/ssl/test/ssl_test_lib.erl +++ b/lib/ssl/test/ssl_test_lib.erl @@ -254,7 +254,6 @@ check_result(Server, ServerMsg, Client, ClientMsg) -> {Port, {data,Debug}} when is_port(Port) -> ct:log("~p:~p~nopenssl ~s~n",[?MODULE,?LINE, Debug]), check_result(Server, ServerMsg, Client, ClientMsg); - Unexpected -> Reason = {{expected, {Client, ClientMsg}}, {expected, {Server, ServerMsg}}, {got, Unexpected}}, @@ -268,6 +267,9 @@ check_result(Pid, Msg) -> {Port, {data,Debug}} when is_port(Port) -> ct:log("~p:~p~nopenssl ~s~n",[?MODULE,?LINE, Debug]), check_result(Pid,Msg); + %% {Port, {exit_status, Status}} when is_port(Port) -> + %% ct:log("~p:~p Exit status: ~p~n",[?MODULE,?LINE, Status]), + %% check_result(Pid, Msg); Unexpected -> Reason = {{expected, {Pid, Msg}}, {got, Unexpected}}, @@ -837,7 +839,7 @@ string_regex_filter(Str, Search) when is_list(Str) -> _ -> true end; -string_regex_filter(Str, _Search) -> +string_regex_filter(_Str, _Search) -> false. anonymous_suites() -> diff --git a/lib/ssl/test/ssl_upgrade_SUITE.erl b/lib/ssl/test/ssl_upgrade_SUITE.erl index 6a6a1b4a7a..c83fb367dc 100644 --- a/lib/ssl/test/ssl_upgrade_SUITE.erl +++ b/lib/ssl/test/ssl_upgrade_SUITE.erl @@ -38,8 +38,8 @@ all() -> init_per_suite(Config0) -> catch crypto:stop(), - try crypto:start() of - ok -> + try {crypto:start(), erlang:system_info({wordsize, internal}) == erlang:system_info({wordsize, external})} of + {ok, true} -> case ct_release_test:init(Config0) of {skip, Reason} -> {skip, Reason}; @@ -49,7 +49,9 @@ init_per_suite(Config0) -> ?config(priv_dir, Config))), ct:log("Make certs ~p~n", [Result]), ssl_test_lib:cert_options(Config) - end + end; + {ok, false} -> + {skip, "Test server will not handle halfwordemulator correctly. Skip as halfwordemulator is deprecated"} catch _:_ -> {skip, "Crypto did not start"} end. |