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Diffstat (limited to 'lib/ssl/test/x509_test.erl')
| -rw-r--r-- | lib/ssl/test/x509_test.erl | 352 |
1 files changed, 352 insertions, 0 deletions
diff --git a/lib/ssl/test/x509_test.erl b/lib/ssl/test/x509_test.erl new file mode 100644 index 0000000000..4da1537ef6 --- /dev/null +++ b/lib/ssl/test/x509_test.erl @@ -0,0 +1,352 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2017-2017. All Rights Reserved. +%% +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at +%% +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. +%% +%% %CopyrightEnd% +%% + +%% + + -module(x509_test). + + -include_lib("public_key/include/public_key.hrl"). + + -export([gen_test_certs/1, gen_pem_config_files/3]). + + gen_test_certs(Opts) -> + SRootKey = gen_key(proplists:get_value(server_key_gen, Opts)), + CRootKey = gen_key(proplists:get_value(client_key_gen, Opts)), + ServerRoot = root_cert("server", SRootKey, Opts), + ClientRoot = root_cert("client", CRootKey, Opts), + [{ServerCert, ServerKey} | ServerCAsKeys] = config(server, ServerRoot, SRootKey, Opts), + [{ClientCert, ClientKey} | ClientCAsKeys] = config(client, ClientRoot, CRootKey, Opts), + ServerCAs = ca_config(ClientRoot, ServerCAsKeys), + ClientCAs = ca_config(ServerRoot, ClientCAsKeys), + [{server_config, [{cert, ServerCert}, {key, ServerKey}, {cacerts, ServerCAs}]}, + {client_config, [{cert, ClientCert}, {key, ClientKey}, {cacerts, ClientCAs}]}]. + +gen_pem_config_files(GenCertData, ClientBase, ServerBase) -> + ServerConf = proplists:get_value(server_config, GenCertData), + ClientConf = proplists:get_value(client_config, GenCertData), + + ServerCaCertFile = ServerBase ++ "_server_cacerts.pem", + ServerCertFile = ServerBase ++ "_server_cert.pem", + ServerKeyFile = ServerBase ++ "_server_key.pem", + + ClientCaCertFile = ClientBase ++ "_client_cacerts.pem", + ClientCertFile = ClientBase ++ "_client_cert.pem", + ClientKeyFile = ClientBase ++ "_client_key.pem", + + do_gen_pem_config_files(ServerConf, + ServerCertFile, + ServerKeyFile, + ServerCaCertFile), + do_gen_pem_config_files(ClientConf, + ClientCertFile, + ClientKeyFile, + ClientCaCertFile), + [{server_config, [{certfile, ServerCertFile}, + {keyfile, ServerKeyFile}, {cacertfile, ServerCaCertFile}]}, + {client_config, [{certfile, ClientCertFile}, + {keyfile, ClientKeyFile}, {cacertfile, ClientCaCertFile}]}]. + + + do_gen_pem_config_files(Config, CertFile, KeyFile, CAFile) -> + CAs = proplists:get_value(cacerts, Config), + Cert = proplists:get_value(cert, Config), + Key = proplists:get_value(key, Config), + der_to_pem(CertFile, [cert_entry(Cert)]), + der_to_pem(KeyFile, [key_entry(Key)]), + der_to_pem(CAFile, ca_entries(CAs)). + + cert_entry(Cert) -> + {'Certificate', Cert, not_encrypted}. + + key_entry(Key = #'RSAPrivateKey'{}) -> + Der = public_key:der_encode('RSAPrivateKey', Key), + {'RSAPrivateKey', Der, not_encrypted}; + key_entry(Key = #'DSAPrivateKey'{}) -> + Der = public_key:der_encode('DSAPrivateKey', Key), + {'DSAPrivateKey', Der, not_encrypted}; + key_entry(Key = #'ECPrivateKey'{}) -> + Der = public_key:der_encode('ECPrivateKey', Key), + {'ECPrivateKey', Der, not_encrypted}. + + ca_entries(CAs) -> + [{'Certificate', CACert, not_encrypted} || CACert <- CAs]. + + gen_key(KeyGen) -> + case is_key(KeyGen) of + true -> + KeyGen; + false -> + public_key:generate_key(KeyGen) + end. + +root_cert(Role, PrivKey, Opts) -> + TBS = cert_template(), + Issuer = issuer("root", Role, " ROOT CA"), + OTPTBS = TBS#'OTPTBSCertificate'{ + signature = sign_algorithm(PrivKey, Opts), + issuer = Issuer, + validity = validity(Opts), + subject = Issuer, + subjectPublicKeyInfo = public_key(PrivKey), + extensions = extensions(Role, ca, Opts) + }, + public_key:pkix_sign(OTPTBS, PrivKey). + +config(Role, Root, Key, Opts) -> + KeyGenOpt = list_to_atom(atom_to_list(Role) ++ "_key_gen_chain"), + KeyGens = proplists:get_value(KeyGenOpt, Opts, default_key_gen()), + Keys = lists:map(fun gen_key/1, KeyGens), + cert_chain(Role, Root, Key, Opts, Keys). + +cert_template() -> + #'OTPTBSCertificate'{ + version = v3, + serialNumber = trunc(rand:uniform()*100000000)*10000 + 1, + issuerUniqueID = asn1_NOVALUE, + subjectUniqueID = asn1_NOVALUE + }. + +issuer(Contact, Role, Name) -> + subject(Contact, Role ++ Name). + +subject(Contact, Name) -> + Opts = [{email, Contact ++ "@erlang.org"}, + {name, Name}, + {city, "Stockholm"}, + {country, "SE"}, + {org, "erlang"}, + {org_unit, "automated testing"}], + subject(Opts). + +subject(SubjectOpts) when is_list(SubjectOpts) -> + Encode = fun(Opt) -> + {Type,Value} = subject_enc(Opt), + [#'AttributeTypeAndValue'{type=Type, value=Value}] + end, + {rdnSequence, [Encode(Opt) || Opt <- SubjectOpts]}. + +subject_enc({name, Name}) -> + {?'id-at-commonName', {printableString, Name}}; +subject_enc({email, Email}) -> + {?'id-emailAddress', Email}; +subject_enc({city, City}) -> + {?'id-at-localityName', {printableString, City}}; +subject_enc({state, State}) -> + {?'id-at-stateOrProvinceName', {printableString, State}}; +subject_enc({org, Org}) -> + {?'id-at-organizationName', {printableString, Org}}; +subject_enc({org_unit, OrgUnit}) -> + {?'id-at-organizationalUnitName', {printableString, OrgUnit}}; +subject_enc({country, Country}) -> + {?'id-at-countryName', Country}; +subject_enc({serial, Serial}) -> + {?'id-at-serialNumber', Serial}; +subject_enc({title, Title}) -> + {?'id-at-title', {printableString, Title}}; +subject_enc({dnQualifer, DnQ}) -> + {?'id-at-dnQualifier', DnQ}; +subject_enc(Other) -> + Other. + +validity(Opts) -> + DefFrom0 = calendar:gregorian_days_to_date(calendar:date_to_gregorian_days(date())-1), + DefTo0 = calendar:gregorian_days_to_date(calendar:date_to_gregorian_days(date())+7), + {DefFrom, DefTo} = proplists:get_value(validity, Opts, {DefFrom0, DefTo0}), + Format = fun({Y,M,D}) -> + lists:flatten(io_lib:format("~w~2..0w~2..0w000000Z",[Y,M,D])) + end, + #'Validity'{notBefore={generalTime, Format(DefFrom)}, + notAfter ={generalTime, Format(DefTo)}}. + +extensions(Role, Type, Opts) -> + Exts = proplists:get_value(extensions, Opts, []), + lists:flatten([extension(Ext) || Ext <- default_extensions(Role, Type, Exts)]). + +%% Common extension: name_constraints, policy_constraints, ext_key_usage, inhibit_any, +%% auth_key_id, subject_key_id, policy_mapping, + +default_extensions(_, ca, Exts) -> + Def = [{key_usage, [keyCertSign, cRLSign]}, + {basic_constraints, default}], + add_default_extensions(Def, Exts); + +default_extensions(server, peer, Exts) -> + Hostname = net_adm:localhost(), + Def = [{key_usage, [digitalSignature, keyAgreement]}, + {subject_alt, Hostname}], + add_default_extensions(Def, Exts); + +default_extensions(_, peer, Exts) -> + Exts. + +add_default_extensions(Def, Exts) -> + Filter = fun({Key, _}, D) -> + lists:keydelete(Key, 1, D); + ({Key, _, _}, D) -> + lists:keydelete(Key, 1, D) + end, + Exts ++ lists:foldl(Filter, Def, Exts). + +extension({_, undefined}) -> + []; +extension({basic_constraints, Data}) -> + case Data of + default -> + #'Extension'{extnID = ?'id-ce-basicConstraints', + extnValue = #'BasicConstraints'{cA=true}, + critical=true}; + false -> + []; + Len when is_integer(Len) -> + #'Extension'{extnID = ?'id-ce-basicConstraints', + extnValue = #'BasicConstraints'{cA=true, pathLenConstraint = Len}, + critical = true}; + _ -> + #'Extension'{extnID = ?'id-ce-basicConstraints', + extnValue = Data} + end; +extension({auth_key_id, {Oid, Issuer, SNr}}) -> + #'Extension'{extnID = ?'id-ce-authorityKeyIdentifier', + extnValue = #'AuthorityKeyIdentifier'{ + keyIdentifier = Oid, + authorityCertIssuer = Issuer, + authorityCertSerialNumber = SNr}, + critical = false}; +extension({key_usage, Value}) -> + #'Extension'{extnID = ?'id-ce-keyUsage', + extnValue = Value, + critical = false}; +extension({subject_alt, Hostname}) -> + #'Extension'{extnID = ?'id-ce-subjectAltName', + extnValue = [{dNSName, Hostname}], + critical = false}; +extension({Id, Data, Critical}) -> + #'Extension'{extnID = Id, extnValue = Data, critical = Critical}. + +public_key(#'RSAPrivateKey'{modulus=N, publicExponent=E}) -> + Public = #'RSAPublicKey'{modulus=N, publicExponent=E}, + Algo = #'PublicKeyAlgorithm'{algorithm= ?rsaEncryption, parameters='NULL'}, + #'OTPSubjectPublicKeyInfo'{algorithm = Algo, + subjectPublicKey = Public}; +public_key(#'DSAPrivateKey'{p=P, q=Q, g=G, y=Y}) -> + Algo = #'PublicKeyAlgorithm'{algorithm= ?'id-dsa', + parameters={params, #'Dss-Parms'{p=P, q=Q, g=G}}}, + #'OTPSubjectPublicKeyInfo'{algorithm = Algo, subjectPublicKey = Y}; +public_key(#'ECPrivateKey'{version = _Version, + privateKey = _PrivKey, + parameters = Params, + publicKey = PubKey}) -> + Algo = #'PublicKeyAlgorithm'{algorithm= ?'id-ecPublicKey', parameters=Params}, + #'OTPSubjectPublicKeyInfo'{algorithm = Algo, + subjectPublicKey = #'ECPoint'{point = PubKey}}. + +sign_algorithm(#'RSAPrivateKey'{}, Opts) -> + Type = rsa_digest_oid(proplists:get_value(digest, Opts, sha1)), + #'SignatureAlgorithm'{algorithm = Type, + parameters = 'NULL'}; +sign_algorithm(#'DSAPrivateKey'{p=P, q=Q, g=G}, _Opts) -> + #'SignatureAlgorithm'{algorithm = ?'id-dsa-with-sha1', + parameters = {params,#'Dss-Parms'{p=P, q=Q, g=G}}}; +sign_algorithm(#'ECPrivateKey'{parameters = Parms}, Opts) -> + Type = ecdsa_digest_oid(proplists:get_value(digest, Opts, sha1)), + #'SignatureAlgorithm'{algorithm = Type, + parameters = Parms}. + +rsa_digest_oid(sha1) -> + ?'sha1WithRSAEncryption'; +rsa_digest_oid(sha512) -> + ?'sha512WithRSAEncryption'; +rsa_digest_oid(sha384) -> + ?'sha384WithRSAEncryption'; +rsa_digest_oid(sha256) -> + ?'sha256WithRSAEncryption'; +rsa_digest_oid(md5) -> + ?'md5WithRSAEncryption'. + +ecdsa_digest_oid(sha1) -> + ?'ecdsa-with-SHA1'; +ecdsa_digest_oid(sha512) -> + ?'ecdsa-with-SHA512'; +ecdsa_digest_oid(sha384) -> + ?'ecdsa-with-SHA384'; +ecdsa_digest_oid(sha256) -> + ?'ecdsa-with-SHA256'. + +ca_config(Root, CAsKeys) -> + [Root | [CA || {CA, _} <- CAsKeys]]. + +cert_chain(Role, Root, RootKey, Opts, Keys) -> + cert_chain(Role, Root, RootKey, Opts, Keys, 0, []). + +cert_chain(Role, IssuerCert, IssuerKey, Opts, [Key], _, Acc) -> + PeerOpts = list_to_atom(atom_to_list(Role) ++ "_peer_opts"), + Cert = cert(Role, public_key:pkix_decode_cert(IssuerCert, otp), + IssuerKey, Key, "admin", " Peer cert", Opts, PeerOpts, peer), + [{Cert, Key}, {IssuerCert, IssuerKey} | Acc]; +cert_chain(Role, IssuerCert, IssuerKey, Opts, [Key | Keys], N, Acc) -> + CAOpts = list_to_atom(atom_to_list(Role) ++ "_ca_" ++ integer_to_list(N)), + Cert = cert(Role, public_key:pkix_decode_cert(IssuerCert, otp), IssuerKey, Key, "webadmin", + " Intermidiate CA " ++ integer_to_list(N), Opts, CAOpts, ca), + cert_chain(Role, Cert, Key, Opts, Keys, N+1, [{IssuerCert, IssuerKey} | Acc]). + +cert(Role, #'OTPCertificate'{tbsCertificate = #'OTPTBSCertificate'{subject = Issuer, + serialNumber = SNr + }}, + PrivKey, Key, Contact, Name, Opts, CertOptsName, Type) -> + CertOpts = proplists:get_value(CertOptsName, Opts, []), + TBS = cert_template(), + OTPTBS = TBS#'OTPTBSCertificate'{ + signature = sign_algorithm(PrivKey, Opts), + issuer = Issuer, + validity = validity(CertOpts), + subject = subject(Contact, atom_to_list(Role) ++ Name), + subjectPublicKeyInfo = public_key(Key), + extensions = extensions(Role, Type, + add_default_extensions([{auth_key_id, {auth_key_oid(Role), Issuer, SNr}}], + CertOpts)) + }, + public_key:pkix_sign(OTPTBS, PrivKey). + +is_key(#'DSAPrivateKey'{}) -> + true; +is_key(#'RSAPrivateKey'{}) -> + true; +is_key(#'ECPrivateKey'{}) -> + true; +is_key(_) -> + false. + +der_to_pem(File, Entries) -> + PemBin = public_key:pem_encode(Entries), + file:write_file(File, PemBin). + +default_key_gen() -> + case tls_v1:ecc_curves(0) of + [] -> + [{rsa, 2048, 17}, {rsa, 2048, 17}]; + [_|_] -> + [{namedCurve, hd(tls_v1:ecc_curves(0))}, + {namedCurve, hd(tls_v1:ecc_curves(0))}] + end. + +auth_key_oid(server) -> + ?'id-kp-serverAuth'; +auth_key_oid(client) -> + ?'id-kp-clientAuth'. |