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/*
* (C) 2016 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#include "tests.h"
#if defined(BOTAN_HAS_OCSP)
#include <botan/ocsp.h>
#include <botan/x509path.h>
#include <botan/certstor.h>
#include <botan/calendar.h>
#endif
namespace Botan_Tests {
#if defined(BOTAN_HAS_OCSP) && defined(BOTAN_HAS_RSA)
class OCSP_Tests final : public Test
{
private:
std::vector<uint8_t> slurp_data_file(const std::string& path)
{
const std::string fsname = Test::data_file(path);
std::ifstream file(fsname.c_str(), std::ios::binary);
if(!file.good())
{
throw Test_Error("Error reading from " + fsname);
}
std::vector<uint8_t> contents;
while(file.good())
{
std::vector<uint8_t> buf(4096);
file.read(reinterpret_cast<char*>(buf.data()), buf.size());
size_t got = file.gcount();
if(got == 0 && file.eof())
{
break;
}
contents.insert(contents.end(), buf.data(), buf.data() + got);
}
return contents;
}
std::shared_ptr<const Botan::X509_Certificate> load_test_X509_cert(const std::string& path)
{
return std::make_shared<const Botan::X509_Certificate>(Test::data_file(path));
}
std::shared_ptr<const Botan::OCSP::Response> load_test_OCSP_resp(const std::string& path)
{
return std::make_shared<const Botan::OCSP::Response>(slurp_data_file(path));
}
Test::Result test_response_parsing()
{
Test::Result result("OCSP response parsing");
// Simple parsing tests
const std::vector<std::string> ocsp_input_paths =
{
"ocsp/resp1.der",
"ocsp/resp2.der",
"ocsp/resp3.der"
};
for(std::string ocsp_input_path : ocsp_input_paths)
{
try
{
Botan::OCSP::Response resp(slurp_data_file(ocsp_input_path));
result.test_success("Parsed input " + ocsp_input_path);
}
catch(Botan::Exception& e)
{
result.test_failure("Parsing failed", e.what());
}
}
return result;
}
Test::Result test_response_certificate_access()
{
Test::Result result("OCSP response certificate access");
try
{
Botan::OCSP::Response resp1(slurp_data_file("ocsp/resp1.der"));
const auto &certs1 = resp1.certificates();
if(result.test_eq("Expected count of certificates", certs1.size(), 1))
{
const auto cert = certs1.front();
const Botan::X509_DN expected_dn({std::make_pair(
"X520.CommonName",
"Symantec Class 3 EV SSL CA - G3 OCSP Responder")});
const bool matches = cert.subject_dn() == expected_dn;
result.test_eq("CN matches expected", matches, true);
}
Botan::OCSP::Response resp2(slurp_data_file("ocsp/resp2.der"));
const auto &certs2 = resp2.certificates();
result.test_eq("Expect no certificates", certs2.size(), 0);
}
catch(Botan::Exception& e)
{
result.test_failure("Parsing failed", e.what());
}
return result;
}
Test::Result test_request_encoding()
{
Test::Result result("OCSP request encoding");
const Botan::X509_Certificate end_entity(Test::data_file("ocsp/gmail.pem"));
const Botan::X509_Certificate issuer(Test::data_file("ocsp/google_g2.pem"));
try
{
const Botan::OCSP::Request bogus(end_entity, issuer);
result.test_failure("Bad arguments (swapped end entity, issuer) accepted");
}
catch(Botan::Invalid_Argument&)
{
result.test_success("Bad arguments rejected");
}
const std::string expected_request =
"ME4wTKADAgEAMEUwQzBBMAkGBSsOAwIaBQAEFPLgavmFih2NcJtJGSN6qbUaKH5kBBRK3QYWG7z2aLV29YG2u2IaulqBLwIIQkg+DF+RYMY=";
const Botan::OCSP::Request req1(issuer, end_entity);
result.test_eq("Encoded OCSP request",
req1.base64_encode(),
expected_request);
const Botan::OCSP::Request req2(issuer, BigInt::decode(end_entity.serial_number()));
result.test_eq("Encoded OCSP request",
req2.base64_encode(),
expected_request);
return result;
}
Test::Result test_response_verification()
{
Test::Result result("OCSP request check");
std::shared_ptr<const Botan::X509_Certificate> ee = load_test_X509_cert("ocsp/randombit.pem");
std::shared_ptr<const Botan::X509_Certificate> ca = load_test_X509_cert("ocsp/letsencrypt.pem");
std::shared_ptr<const Botan::X509_Certificate> trust_root = load_test_X509_cert("ocsp/geotrust.pem");
const std::vector<std::shared_ptr<const Botan::X509_Certificate>> cert_path = { ee, ca, trust_root };
std::shared_ptr<const Botan::OCSP::Response> ocsp = load_test_OCSP_resp("ocsp/randombit_ocsp.der");
Botan::Certificate_Store_In_Memory certstore;
certstore.add_certificate(trust_root);
// Some arbitrary time within the validity period of the test certs
const auto valid_time = Botan::calendar_point(2016, 11, 20, 8, 30, 0).to_std_timepoint();
const auto ocsp_status = Botan::PKIX::check_ocsp(cert_path, { ocsp }, { &certstore }, valid_time);
if(result.test_eq("Expected size of ocsp_status", ocsp_status.size(), 1))
{
if(result.test_eq("Expected size of ocsp_status[0]", ocsp_status[0].size(), 1))
{
result.confirm("Status good", ocsp_status[0].count(Botan::Certificate_Status_Code::OCSP_RESPONSE_GOOD));
}
}
return result;
}
#if defined(BOTAN_HAS_ONLINE_REVOCATION_CHECKS)
Test::Result test_online_request()
{
Test::Result result("OCSP online check");
// Expired end-entity certificate:
std::shared_ptr<const Botan::X509_Certificate> ee = load_test_X509_cert("ocsp/randombit.pem");
std::shared_ptr<const Botan::X509_Certificate> ca = load_test_X509_cert("ocsp/letsencrypt.pem");
std::shared_ptr<const Botan::X509_Certificate> trust_root = load_test_X509_cert("ocsp/identrust.pem");
const std::vector<std::shared_ptr<const Botan::X509_Certificate>> cert_path = { ee, ca, trust_root };
Botan::Certificate_Store_In_Memory certstore;
certstore.add_certificate(trust_root);
typedef std::chrono::system_clock Clock;
const auto ocspTimeout = std::chrono::milliseconds(3000);
auto ocsp_status = Botan::PKIX::check_ocsp_online(cert_path, { &certstore }, Clock::now(), ocspTimeout, true);
if(result.test_eq("Expected size of ocsp_status", ocsp_status.size(), 2))
{
if(result.test_eq("Expected size of ocsp_status[0]", ocsp_status[0].size(), 1))
{
result.confirm("Status expired", ocsp_status[0].count(Botan::Certificate_Status_Code::OCSP_HAS_EXPIRED));
}
if(result.test_eq("Expected size of ocsp_status[1]", ocsp_status[1].size(), 1))
{
result.confirm("Status good", ocsp_status[1].count(Botan::Certificate_Status_Code::OCSP_RESPONSE_GOOD));
}
}
return result;
}
#endif
public:
std::vector<Test::Result> run() override
{
std::vector<Test::Result> results;
results.push_back(test_request_encoding());
results.push_back(test_response_parsing());
results.push_back(test_response_certificate_access());
results.push_back(test_response_verification());
#if defined(BOTAN_HAS_ONLINE_REVOCATION_CHECKS)
if(Test::run_online_tests())
{
results.push_back(test_online_request());
}
#endif
return results;
}
};
BOTAN_REGISTER_TEST("ocsp", OCSP_Tests);
#endif
}
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