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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/files/file_path.h"
#include "build/build_config.h"
#include "net/base/net_errors.h"
#include "net/base/test_data_directory.h"
#include "net/cert/cert_status_flags.h"
#include "net/cert/cert_verify_proc.h"
#include "net/cert/cert_verify_result.h"
#include "net/cert/test_root_certs.h"
#include "net/cert/x509_certificate.h"
#include "net/test/cert_test_util.h"
#include "testing/gtest/include/gtest/gtest.h"
#if defined(USE_NSS) || defined(OS_IOS)
#include <nss.h>
#endif
namespace net {
namespace {
// The local test root certificate.
const char kRootCertificateFile[] = "root_ca_cert.pem";
// A certificate issued by the local test root for 127.0.0.1.
const char kGoodCertificateFile[] = "ok_cert.pem";
} // namespace
// Test basic functionality when adding from an existing X509Certificate.
TEST(TestRootCertsTest, AddFromPointer) {
scoped_refptr<X509Certificate> root_cert =
ImportCertFromFile(GetTestCertsDirectory(), kRootCertificateFile);
ASSERT_NE(static_cast<X509Certificate*>(NULL), root_cert.get());
TestRootCerts* test_roots = TestRootCerts::GetInstance();
ASSERT_NE(static_cast<TestRootCerts*>(NULL), test_roots);
EXPECT_TRUE(test_roots->IsEmpty());
EXPECT_TRUE(test_roots->Add(root_cert.get()));
EXPECT_FALSE(test_roots->IsEmpty());
test_roots->Clear();
EXPECT_TRUE(test_roots->IsEmpty());
}
// Test basic functionality when adding directly from a file, which should
// behave the same as when adding from an existing certificate.
TEST(TestRootCertsTest, AddFromFile) {
TestRootCerts* test_roots = TestRootCerts::GetInstance();
ASSERT_NE(static_cast<TestRootCerts*>(NULL), test_roots);
EXPECT_TRUE(test_roots->IsEmpty());
base::FilePath cert_path =
GetTestCertsDirectory().AppendASCII(kRootCertificateFile);
EXPECT_TRUE(test_roots->AddFromFile(cert_path));
EXPECT_FALSE(test_roots->IsEmpty());
test_roots->Clear();
EXPECT_TRUE(test_roots->IsEmpty());
}
// Test that TestRootCerts actually adds the appropriate trust status flags
// when requested, and that the trusted status is cleared once the root is
// removed the TestRootCerts. This test acts as a canary/sanity check for
// the results of the rest of net_unittests, ensuring that the trust status
// is properly being set and cleared.
TEST(TestRootCertsTest, OverrideTrust) {
#if defined(USE_NSS) || defined(OS_IOS)
if (NSS_VersionCheck("3.14.2") && !NSS_VersionCheck("3.15")) {
// See http://bugzil.la/863947 for details
LOG(INFO) << "Skipping test for NSS 3.14.2 - NSS 3.15";
return;
}
#endif
TestRootCerts* test_roots = TestRootCerts::GetInstance();
ASSERT_NE(static_cast<TestRootCerts*>(NULL), test_roots);
EXPECT_TRUE(test_roots->IsEmpty());
scoped_refptr<X509Certificate> test_cert =
ImportCertFromFile(GetTestCertsDirectory(), kGoodCertificateFile);
ASSERT_NE(static_cast<X509Certificate*>(NULL), test_cert.get());
// Test that the good certificate fails verification, because the root
// certificate should not yet be trusted.
int flags = 0;
CertVerifyResult bad_verify_result;
scoped_refptr<CertVerifyProc> verify_proc(CertVerifyProc::CreateDefault());
int bad_status = verify_proc->Verify(test_cert.get(),
"127.0.0.1",
flags,
NULL,
CertificateList(),
&bad_verify_result);
EXPECT_NE(OK, bad_status);
EXPECT_NE(0u, bad_verify_result.cert_status & CERT_STATUS_AUTHORITY_INVALID);
// Add the root certificate and mark it as trusted.
EXPECT_TRUE(test_roots->AddFromFile(
GetTestCertsDirectory().AppendASCII(kRootCertificateFile)));
EXPECT_FALSE(test_roots->IsEmpty());
// Test that the certificate verification now succeeds, because the
// TestRootCerts is successfully imbuing trust.
CertVerifyResult good_verify_result;
int good_status = verify_proc->Verify(test_cert.get(),
"127.0.0.1",
flags,
NULL,
CertificateList(),
&good_verify_result);
EXPECT_EQ(OK, good_status);
EXPECT_EQ(0u, good_verify_result.cert_status);
test_roots->Clear();
EXPECT_TRUE(test_roots->IsEmpty());
// Ensure that when the TestRootCerts is cleared, the trust settings
// revert to their original state, and don't linger. If trust status
// lingers, it will likely break other tests in net_unittests.
CertVerifyResult restored_verify_result;
int restored_status = verify_proc->Verify(test_cert.get(),
"127.0.0.1",
flags,
NULL,
CertificateList(),
&restored_verify_result);
EXPECT_NE(OK, restored_status);
EXPECT_NE(0u,
restored_verify_result.cert_status & CERT_STATUS_AUTHORITY_INVALID);
EXPECT_EQ(bad_status, restored_status);
EXPECT_EQ(bad_verify_result.cert_status, restored_verify_result.cert_status);
}
#if defined(USE_NSS) || (defined(USE_OPENSSL_CERTS) && !defined(OS_ANDROID))
TEST(TestRootCertsTest, Contains) {
// Another test root certificate.
const char kRootCertificateFile2[] = "2048-rsa-root.pem";
TestRootCerts* test_roots = TestRootCerts::GetInstance();
ASSERT_NE(static_cast<TestRootCerts*>(NULL), test_roots);
scoped_refptr<X509Certificate> root_cert_1 =
ImportCertFromFile(GetTestCertsDirectory(), kRootCertificateFile);
ASSERT_NE(static_cast<X509Certificate*>(NULL), root_cert_1.get());
scoped_refptr<X509Certificate> root_cert_2 =
ImportCertFromFile(GetTestCertsDirectory(), kRootCertificateFile2);
ASSERT_NE(static_cast<X509Certificate*>(NULL), root_cert_2.get());
EXPECT_FALSE(test_roots->Contains(root_cert_1->os_cert_handle()));
EXPECT_FALSE(test_roots->Contains(root_cert_2->os_cert_handle()));
EXPECT_TRUE(test_roots->Add(root_cert_1.get()));
EXPECT_TRUE(test_roots->Contains(root_cert_1->os_cert_handle()));
EXPECT_FALSE(test_roots->Contains(root_cert_2->os_cert_handle()));
EXPECT_TRUE(test_roots->Add(root_cert_2.get()));
EXPECT_TRUE(test_roots->Contains(root_cert_1->os_cert_handle()));
EXPECT_TRUE(test_roots->Contains(root_cert_2->os_cert_handle()));
test_roots->Clear();
EXPECT_FALSE(test_roots->Contains(root_cert_1->os_cert_handle()));
EXPECT_FALSE(test_roots->Contains(root_cert_2->os_cert_handle()));
}
#endif
// TODO(rsleevi): Add tests for revocation checking via CRLs, ensuring that
// TestRootCerts properly injects itself into the validation process. See
// http://crbug.com/63958
} // namespace net
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