%%
%% %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([extensions/1, gen_pem_config_files/3]).
gen_pem_config_files(#{server_config := ServerConf,
client_config := ClientConf}, ClientBase, ServerBase) ->
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}]}].
extensions(Exts) ->
[extension(Ext) || Ext <- Exts].
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({'RSAPrivateKey', DERKey}) ->
{'RSAPrivateKey', DERKey, not_encrypted};
key_entry({'DSAPrivateKey', DERKey}) ->
{'DSAPrivateKey', DERKey, not_encrypted};
key_entry({'ECPrivateKey', DERKey}) ->
{'ECPrivateKey', DERKey, not_encrypted}.
ca_entries(CAs) ->
[{'Certificate', CACert, not_encrypted} || CACert <- CAs].
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({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}.
der_to_pem(File, Entries) ->
PemBin = public_key:pem_encode(Entries),
file:write_file(File, PemBin).
