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unplugged-system/external/cronet/net/cert/x509_certificate_unittest.cc

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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/cert/x509_certificate.h"
#include <stdint.h>
#include <memory>
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/hash/sha1.h"
#include "base/pickle.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_split.h"
#include "base/strings/string_util.h"
#include "base/time/time.h"
#include "crypto/rsa_private_key.h"
#include "net/base/net_errors.h"
#include "net/cert/asn1_util.h"
#include "net/cert/pem.h"
#include "net/cert/pki/parse_certificate.h"
#include "net/cert/x509_util.h"
#include "net/test/cert_builder.h"
#include "net/test/cert_test_util.h"
#include "net/test/test_certificate_data.h"
#include "net/test/test_data_directory.h"
#include "testing/gtest/include/gtest/gtest.h"
using base::HexEncode;
using base::Time;
namespace net {
// Certificates for test data. They're obtained with:
//
// $ openssl s_client -connect [host]:443 -showcerts > /tmp/host.pem < /dev/null
// $ openssl x509 -inform PEM -outform DER < /tmp/host.pem > /tmp/host.der
//
// For fingerprint
// $ openssl x509 -inform DER -fingerprint -noout < /tmp/host.der
// For valid_start, valid_expiry
// $ openssl x509 -inform DER -text -noout < /tmp/host.der |
// grep -A 2 Validity
// $ date +%s -d '<date str>'
// Google's cert.
SHA256HashValue google_fingerprint = {
{0x21, 0xaf, 0x58, 0x74, 0xea, 0x6b, 0xad, 0xbd, 0xe4, 0xb3, 0xb1,
0xaa, 0x53, 0x32, 0x80, 0x8f, 0xbf, 0x8a, 0x24, 0x7d, 0x98, 0xec,
0x7f, 0x77, 0x49, 0x38, 0x42, 0x81, 0x26, 0x7f, 0xed, 0x38}};
// The fingerprint of the Google certificate used in the parsing tests,
// which is newer than the one included in the x509_certificate_data.h
SHA256HashValue google_parse_fingerprint = {
{0xf6, 0x41, 0xc3, 0x6c, 0xfe, 0xf4, 0x9b, 0xc0, 0x71, 0x35, 0x9e,
0xcf, 0x88, 0xee, 0xd9, 0x31, 0x7b, 0x73, 0x8b, 0x59, 0x89, 0x41,
0x6a, 0xd4, 0x01, 0x72, 0x0c, 0x0a, 0x4e, 0x2e, 0x63, 0x52}};
// The fingerprint for the Thawte SGC certificate
SHA256HashValue thawte_parse_fingerprint = {
{0x10, 0x85, 0xa6, 0xf4, 0x54, 0xd0, 0xc9, 0x11, 0x98, 0xfd, 0xda,
0xb1, 0x1a, 0x31, 0xc7, 0x16, 0xd5, 0xdc, 0xd6, 0x8d, 0xf9, 0x1c,
0x03, 0x9c, 0xe1, 0x8d, 0xca, 0x9b, 0xeb, 0x3c, 0xde, 0x3d}};
// Dec 18 00:00:00 2009 GMT
const double kGoogleParseValidFrom = 1261094400;
// Dec 18 23:59:59 2011 GMT
const double kGoogleParseValidTo = 1324252799;
void CheckGoogleCert(const scoped_refptr<X509Certificate>& google_cert,
const SHA256HashValue& expected_fingerprint,
double valid_from,
double valid_to) {
ASSERT_NE(static_cast<X509Certificate*>(nullptr), google_cert.get());
const CertPrincipal& subject = google_cert->subject();
EXPECT_EQ("www.google.com", subject.common_name);
EXPECT_EQ("Mountain View", subject.locality_name);
EXPECT_EQ("California", subject.state_or_province_name);
EXPECT_EQ("US", subject.country_name);
EXPECT_EQ(0U, subject.street_addresses.size());
ASSERT_EQ(1U, subject.organization_names.size());
EXPECT_EQ("Google Inc", subject.organization_names[0]);
EXPECT_EQ(0U, subject.organization_unit_names.size());
EXPECT_EQ(0U, subject.domain_components.size());
const CertPrincipal& issuer = google_cert->issuer();
EXPECT_EQ("Thawte SGC CA", issuer.common_name);
EXPECT_EQ("", issuer.locality_name);
EXPECT_EQ("", issuer.state_or_province_name);
EXPECT_EQ("ZA", issuer.country_name);
EXPECT_EQ(0U, issuer.street_addresses.size());
ASSERT_EQ(1U, issuer.organization_names.size());
EXPECT_EQ("Thawte Consulting (Pty) Ltd.", issuer.organization_names[0]);
EXPECT_EQ(0U, issuer.organization_unit_names.size());
EXPECT_EQ(0U, issuer.domain_components.size());
// Use DoubleT because its epoch is the same on all platforms
const Time& valid_start = google_cert->valid_start();
EXPECT_EQ(valid_from, valid_start.ToDoubleT());
const Time& valid_expiry = google_cert->valid_expiry();
EXPECT_EQ(valid_to, valid_expiry.ToDoubleT());
EXPECT_EQ(expected_fingerprint, X509Certificate::CalculateFingerprint256(
google_cert->cert_buffer()));
}
TEST(X509CertificateTest, GoogleCertParsing) {
scoped_refptr<X509Certificate> google_cert(
X509Certificate::CreateFromBytes(google_der));
CheckGoogleCert(google_cert, google_fingerprint,
1238192407, // Mar 27 22:20:07 2009 GMT
1269728407); // Mar 27 22:20:07 2010 GMT
}
TEST(X509CertificateTest, WebkitCertParsing) {
scoped_refptr<X509Certificate> webkit_cert(
X509Certificate::CreateFromBytes(webkit_der));
ASSERT_NE(static_cast<X509Certificate*>(nullptr), webkit_cert.get());
const CertPrincipal& subject = webkit_cert->subject();
EXPECT_EQ("Cupertino", subject.locality_name);
EXPECT_EQ("California", subject.state_or_province_name);
EXPECT_EQ("US", subject.country_name);
EXPECT_EQ(0U, subject.street_addresses.size());
ASSERT_EQ(1U, subject.organization_names.size());
EXPECT_EQ("Apple Inc.", subject.organization_names[0]);
ASSERT_EQ(1U, subject.organization_unit_names.size());
EXPECT_EQ("Mac OS Forge", subject.organization_unit_names[0]);
EXPECT_EQ(0U, subject.domain_components.size());
const CertPrincipal& issuer = webkit_cert->issuer();
EXPECT_EQ("Go Daddy Secure Certification Authority", issuer.common_name);
EXPECT_EQ("Scottsdale", issuer.locality_name);
EXPECT_EQ("Arizona", issuer.state_or_province_name);
EXPECT_EQ("US", issuer.country_name);
EXPECT_EQ(0U, issuer.street_addresses.size());
ASSERT_EQ(1U, issuer.organization_names.size());
EXPECT_EQ("GoDaddy.com, Inc.", issuer.organization_names[0]);
ASSERT_EQ(1U, issuer.organization_unit_names.size());
EXPECT_EQ("http://certificates.godaddy.com/repository",
issuer.organization_unit_names[0]);
EXPECT_EQ(0U, issuer.domain_components.size());
// Use DoubleT because its epoch is the same on all platforms
const Time& valid_start = webkit_cert->valid_start();
EXPECT_EQ(1205883319, valid_start.ToDoubleT()); // Mar 18 23:35:19 2008 GMT
const Time& valid_expiry = webkit_cert->valid_expiry();
EXPECT_EQ(1300491319, valid_expiry.ToDoubleT()); // Mar 18 23:35:19 2011 GMT
std::vector<std::string> dns_names;
EXPECT_TRUE(webkit_cert->GetSubjectAltName(&dns_names, nullptr));
ASSERT_EQ(2U, dns_names.size());
EXPECT_EQ("*.webkit.org", dns_names[0]);
EXPECT_EQ("webkit.org", dns_names[1]);
// Test that the wildcard cert matches properly.
EXPECT_TRUE(webkit_cert->VerifyNameMatch("www.webkit.org"));
EXPECT_TRUE(webkit_cert->VerifyNameMatch("foo.webkit.org"));
EXPECT_TRUE(webkit_cert->VerifyNameMatch("webkit.org"));
EXPECT_FALSE(webkit_cert->VerifyNameMatch("www.webkit.com"));
EXPECT_FALSE(webkit_cert->VerifyNameMatch("www.foo.webkit.com"));
}
TEST(X509CertificateTest, ThawteCertParsing) {
scoped_refptr<X509Certificate> thawte_cert(
X509Certificate::CreateFromBytes(thawte_der));
ASSERT_NE(static_cast<X509Certificate*>(nullptr), thawte_cert.get());
const CertPrincipal& subject = thawte_cert->subject();
EXPECT_EQ("www.thawte.com", subject.common_name);
EXPECT_EQ("Mountain View", subject.locality_name);
EXPECT_EQ("California", subject.state_or_province_name);
EXPECT_EQ("US", subject.country_name);
EXPECT_EQ(0U, subject.street_addresses.size());
ASSERT_EQ(1U, subject.organization_names.size());
EXPECT_EQ("Thawte Inc", subject.organization_names[0]);
EXPECT_EQ(0U, subject.organization_unit_names.size());
EXPECT_EQ(0U, subject.domain_components.size());
const CertPrincipal& issuer = thawte_cert->issuer();
EXPECT_EQ("thawte Extended Validation SSL CA", issuer.common_name);
EXPECT_EQ("", issuer.locality_name);
EXPECT_EQ("", issuer.state_or_province_name);
EXPECT_EQ("US", issuer.country_name);
EXPECT_EQ(0U, issuer.street_addresses.size());
ASSERT_EQ(1U, issuer.organization_names.size());
EXPECT_EQ("thawte, Inc.", issuer.organization_names[0]);
ASSERT_EQ(1U, issuer.organization_unit_names.size());
EXPECT_EQ("Terms of use at https://www.thawte.com/cps (c)06",
issuer.organization_unit_names[0]);
EXPECT_EQ(0U, issuer.domain_components.size());
// Use DoubleT because its epoch is the same on all platforms
const Time& valid_start = thawte_cert->valid_start();
EXPECT_EQ(1227052800, valid_start.ToDoubleT()); // Nov 19 00:00:00 2008 GMT
const Time& valid_expiry = thawte_cert->valid_expiry();
EXPECT_EQ(1263772799, valid_expiry.ToDoubleT()); // Jan 17 23:59:59 2010 GMT
}
// Test that all desired AttributeAndValue pairs can be extracted when only
// a single RelativeDistinguishedName is present. "Normally" there is only
// one AVA per RDN, but some CAs place all AVAs within a single RDN.
// This is a regression test for http://crbug.com/101009
TEST(X509CertificateTest, MultivalueRDN) {
base::FilePath certs_dir = GetTestCertsDirectory();
scoped_refptr<X509Certificate> multivalue_rdn_cert =
ImportCertFromFile(certs_dir, "multivalue_rdn.pem");
ASSERT_NE(static_cast<X509Certificate*>(nullptr), multivalue_rdn_cert.get());
const CertPrincipal& subject = multivalue_rdn_cert->subject();
EXPECT_EQ("Multivalue RDN Test", subject.common_name);
EXPECT_EQ("", subject.locality_name);
EXPECT_EQ("", subject.state_or_province_name);
EXPECT_EQ("US", subject.country_name);
EXPECT_EQ(0U, subject.street_addresses.size());
ASSERT_EQ(1U, subject.organization_names.size());
EXPECT_EQ("Chromium", subject.organization_names[0]);
ASSERT_EQ(1U, subject.organization_unit_names.size());
EXPECT_EQ("Chromium net_unittests", subject.organization_unit_names[0]);
ASSERT_EQ(1U, subject.domain_components.size());
EXPECT_EQ("Chromium", subject.domain_components[0]);
}
// Test that characters which would normally be escaped in the string form,
// such as '=' or '"', are not escaped when parsed as individual components.
// This is a regression test for http://crbug.com/102839
TEST(X509CertificateTest, UnescapedSpecialCharacters) {
base::FilePath certs_dir = GetTestCertsDirectory();
scoped_refptr<X509Certificate> unescaped_cert =
ImportCertFromFile(certs_dir, "unescaped.pem");
ASSERT_NE(static_cast<X509Certificate*>(nullptr), unescaped_cert.get());
const CertPrincipal& subject = unescaped_cert->subject();
EXPECT_EQ("127.0.0.1", subject.common_name);
EXPECT_EQ("Mountain View", subject.locality_name);
EXPECT_EQ("California", subject.state_or_province_name);
EXPECT_EQ("US", subject.country_name);
ASSERT_EQ(1U, subject.street_addresses.size());
EXPECT_EQ("1600 Amphitheatre Parkway", subject.street_addresses[0]);
ASSERT_EQ(1U, subject.organization_names.size());
EXPECT_EQ("Chromium = \"net_unittests\"", subject.organization_names[0]);
ASSERT_EQ(2U, subject.organization_unit_names.size());
EXPECT_EQ("net_unittests", subject.organization_unit_names[0]);
EXPECT_EQ("Chromium", subject.organization_unit_names[1]);
EXPECT_EQ(0U, subject.domain_components.size());
}
TEST(X509CertificateTest, InvalidPrintableStringIsUtf8) {
base::FilePath certs_dir =
GetTestNetDataDirectory().AppendASCII("parse_certificate_unittest");
std::string file_data;
ASSERT_TRUE(base::ReadFileToString(
certs_dir.AppendASCII(
"subject_printable_string_containing_utf8_client_cert.pem"),
&file_data));
net::PEMTokenizer pem_tokenizer(file_data, {"CERTIFICATE"});
ASSERT_TRUE(pem_tokenizer.GetNext());
std::string cert_der(pem_tokenizer.data());
ASSERT_FALSE(pem_tokenizer.GetNext());
bssl::UniquePtr<CRYPTO_BUFFER> cert_handle =
x509_util::CreateCryptoBuffer(cert_der);
ASSERT_TRUE(cert_handle);
EXPECT_FALSE(
X509Certificate::CreateFromBuffer(bssl::UpRef(cert_handle.get()), {}));
X509Certificate::UnsafeCreateOptions options;
options.printable_string_is_utf8 = true;
scoped_refptr<X509Certificate> cert =
X509Certificate::CreateFromBufferUnsafeOptions(
bssl::UpRef(cert_handle.get()), {}, options);
const CertPrincipal& subject = cert->subject();
EXPECT_EQ("Foo@#_ Clïênt Cërt", subject.common_name);
}
TEST(X509CertificateTest, TeletexStringIsLatin1) {
base::FilePath certs_dir =
GetTestNetDataDirectory().AppendASCII("parse_certificate_unittest");
scoped_refptr<X509Certificate> cert =
ImportCertFromFile(certs_dir, "subject_t61string.pem");
ASSERT_TRUE(cert);
const CertPrincipal& subject = cert->subject();
EXPECT_EQ(
" !\"#$%&'()*+,-./"
"0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`"
"abcdefghijklmnopqrstuvwxyz{|}~"
" ¡¢£¤¥¦§¨©ª«¬­®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæç"
"èéêëìíîïðñòóôõö÷øùúûüýþÿ",
subject.organization_names[0]);
}
TEST(X509CertificateTest, TeletexStringControlChars) {
base::FilePath certs_dir =
GetTestNetDataDirectory().AppendASCII("parse_certificate_unittest");
scoped_refptr<X509Certificate> cert =
ImportCertFromFile(certs_dir, "subject_t61string_1-32.pem");
ASSERT_TRUE(cert);
const CertPrincipal& subject = cert->subject();
EXPECT_EQ(
"\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f\x10\x11\x12"
"\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f\x20",
subject.organization_names[0]);
}
TEST(X509CertificateTest, TeletexStringIsLatin1NotCp1252) {
base::FilePath certs_dir =
GetTestNetDataDirectory().AppendASCII("parse_certificate_unittest");
scoped_refptr<X509Certificate> cert =
ImportCertFromFile(certs_dir, "subject_t61string_126-160.pem");
ASSERT_TRUE(cert);
const CertPrincipal& subject = cert->subject();
// TeletexString is decoded as latin1, so 127-160 get decoded to equivalent
// unicode control chars.
EXPECT_EQ(
"~\x7F\xC2\x80\xC2\x81\xC2\x82\xC2\x83\xC2\x84\xC2\x85\xC2\x86\xC2\x87"
"\xC2\x88\xC2\x89\xC2\x8A\xC2\x8B\xC2\x8C\xC2\x8D\xC2\x8E\xC2\x8F\xC2\x90"
"\xC2\x91\xC2\x92\xC2\x93\xC2\x94\xC2\x95\xC2\x96\xC2\x97\xC2\x98\xC2\x99"
"\xC2\x9A\xC2\x9B\xC2\x9C\xC2\x9D\xC2\x9E\xC2\x9F\xC2\xA0",
subject.organization_names[0]);
}
TEST(X509CertificateTest, TeletexStringIsNotARealT61String) {
base::FilePath certs_dir =
GetTestNetDataDirectory().AppendASCII("parse_certificate_unittest");
scoped_refptr<X509Certificate> cert =
ImportCertFromFile(certs_dir, "subject_t61string_actual.pem");
ASSERT_TRUE(cert);
const CertPrincipal& subject = cert->subject();
// If TeletexStrings were actually parsed according to T.61, this would be
// "あ". (Probably. Not verified against a real implementation.)
EXPECT_EQ("\x1B$@$\"", subject.organization_names[0]);
}
TEST(X509CertificateTest, SerialNumbers) {
scoped_refptr<X509Certificate> google_cert(
X509Certificate::CreateFromBytes(google_der));
ASSERT_TRUE(google_cert);
static const uint8_t google_serial[16] = {
0x01,0x2a,0x39,0x76,0x0d,0x3f,0x4f,0xc9,
0x0b,0xe7,0xbd,0x2b,0xcf,0x95,0x2e,0x7a,
};
ASSERT_EQ(sizeof(google_serial), google_cert->serial_number().size());
EXPECT_TRUE(memcmp(google_cert->serial_number().data(), google_serial,
sizeof(google_serial)) == 0);
}
TEST(X509CertificateTest, SerialNumberZeroPadded) {
base::FilePath certs_dir =
GetTestNetDataDirectory().AppendASCII("parse_certificate_unittest");
scoped_refptr<X509Certificate> cert =
ImportCertFromFile(certs_dir, "serial_zero_padded.pem");
ASSERT_TRUE(cert);
// Check a serial number where the first byte is >= 0x80, the DER returned by
// serial() should contain the leading 0 padding byte.
static const uint8_t expected_serial[3] = {0x00, 0x80, 0x01};
ASSERT_EQ(sizeof(expected_serial), cert->serial_number().size());
EXPECT_TRUE(memcmp(cert->serial_number().data(), expected_serial,
sizeof(expected_serial)) == 0);
}
TEST(X509CertificateTest, SerialNumberZeroPadded21BytesLong) {
base::FilePath certs_dir =
GetTestNetDataDirectory().AppendASCII("parse_certificate_unittest");
scoped_refptr<X509Certificate> cert =
ImportCertFromFile(certs_dir, "serial_zero_padded_21_bytes.pem");
ASSERT_TRUE(cert);
// Check a serial number where the first byte is >= 0x80, causing the encoded
// length to be 21 bytes long. This should be an error, but serial number
// parsing is currently permissive.
static const uint8_t expected_serial[21] = {
0x00, 0x80, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09,
0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13};
ASSERT_EQ(sizeof(expected_serial), cert->serial_number().size());
EXPECT_TRUE(memcmp(cert->serial_number().data(), expected_serial,
sizeof(expected_serial)) == 0);
}
TEST(X509CertificateTest, SerialNumberNegative) {
base::FilePath certs_dir =
GetTestNetDataDirectory().AppendASCII("parse_certificate_unittest");
scoped_refptr<X509Certificate> cert =
ImportCertFromFile(certs_dir, "serial_negative.pem");
ASSERT_TRUE(cert);
// RFC 5280 does not allow serial numbers to be negative, but serial number
// parsing is currently permissive, so this does not cause an error.
static const uint8_t expected_serial[2] = {0x80, 0x01};
ASSERT_EQ(sizeof(expected_serial), cert->serial_number().size());
EXPECT_TRUE(memcmp(cert->serial_number().data(), expected_serial,
sizeof(expected_serial)) == 0);
}
TEST(X509CertificateTest, SerialNumber37BytesLong) {
base::FilePath certs_dir =
GetTestNetDataDirectory().AppendASCII("parse_certificate_unittest");
scoped_refptr<X509Certificate> cert =
ImportCertFromFile(certs_dir, "serial_37_bytes.pem");
ASSERT_TRUE(cert);
// Check a serial number which is very long. This should be an error, but
// serial number parsing is currently permissive.
static const uint8_t expected_serial[37] = {
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a,
0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14,
0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e,
0x1f, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25};
ASSERT_EQ(sizeof(expected_serial), cert->serial_number().size());
EXPECT_TRUE(memcmp(cert->serial_number().data(), expected_serial,
sizeof(expected_serial)) == 0);
}
TEST(X509CertificateTest, SHA256FingerprintsCorrectly) {
scoped_refptr<X509Certificate> google_cert(
X509Certificate::CreateFromBytes(google_der));
ASSERT_TRUE(google_cert);
const SHA256HashValue google_sha256_fingerprint = {
{0x21, 0xaf, 0x58, 0x74, 0xea, 0x6b, 0xad, 0xbd, 0xe4, 0xb3, 0xb1,
0xaa, 0x53, 0x32, 0x80, 0x8f, 0xbf, 0x8a, 0x24, 0x7d, 0x98, 0xec,
0x7f, 0x77, 0x49, 0x38, 0x42, 0x81, 0x26, 0x7f, 0xed, 0x38}};
EXPECT_EQ(google_sha256_fingerprint, X509Certificate::CalculateFingerprint256(
google_cert->cert_buffer()));
}
TEST(X509CertificateTest, CAFingerprints) {
base::FilePath certs_dir = GetTestCertsDirectory();
scoped_refptr<X509Certificate> server_cert =
ImportCertFromFile(certs_dir, "salesforce_com_test.pem");
ASSERT_NE(static_cast<X509Certificate*>(nullptr), server_cert.get());
scoped_refptr<X509Certificate> intermediate_cert1 =
ImportCertFromFile(certs_dir, "verisign_intermediate_ca_2011.pem");
ASSERT_NE(static_cast<X509Certificate*>(nullptr), intermediate_cert1.get());
scoped_refptr<X509Certificate> intermediate_cert2 =
ImportCertFromFile(certs_dir, "verisign_intermediate_ca_2016.pem");
ASSERT_NE(static_cast<X509Certificate*>(nullptr), intermediate_cert2.get());
std::vector<bssl::UniquePtr<CRYPTO_BUFFER>> intermediates;
intermediates.push_back(bssl::UpRef(intermediate_cert1->cert_buffer()));
scoped_refptr<X509Certificate> cert_chain1 =
X509Certificate::CreateFromBuffer(bssl::UpRef(server_cert->cert_buffer()),
std::move(intermediates));
ASSERT_TRUE(cert_chain1);
intermediates.clear();
intermediates.push_back(bssl::UpRef(intermediate_cert2->cert_buffer()));
scoped_refptr<X509Certificate> cert_chain2 =
X509Certificate::CreateFromBuffer(bssl::UpRef(server_cert->cert_buffer()),
std::move(intermediates));
ASSERT_TRUE(cert_chain2);
// No intermediate CA certicates.
intermediates.clear();
scoped_refptr<X509Certificate> cert_chain3 =
X509Certificate::CreateFromBuffer(bssl::UpRef(server_cert->cert_buffer()),
std::move(intermediates));
ASSERT_TRUE(cert_chain3);
SHA256HashValue cert_chain1_chain_fingerprint_256 = {
{0xac, 0xff, 0xcc, 0x63, 0x0d, 0xd0, 0xa7, 0x19, 0x78, 0xb5, 0x8a,
0x47, 0x8b, 0x67, 0x97, 0xcb, 0x8d, 0xe1, 0x6a, 0x8a, 0x57, 0x70,
0xda, 0x9a, 0x53, 0x72, 0xe2, 0xa0, 0x08, 0xab, 0xcc, 0x8f}};
SHA256HashValue cert_chain2_chain_fingerprint_256 = {
{0x67, 0x3a, 0x11, 0x20, 0xd6, 0x94, 0x14, 0xe4, 0x16, 0x9f, 0x58,
0xe2, 0x8b, 0xf7, 0x27, 0xed, 0xbb, 0xe8, 0xa7, 0xff, 0x1c, 0x8c,
0x0f, 0x21, 0x38, 0x16, 0x7c, 0xad, 0x1f, 0x22, 0x6f, 0x9b}};
SHA256HashValue cert_chain3_chain_fingerprint_256 = {
{0x16, 0x7a, 0xbd, 0xb4, 0x57, 0x04, 0x65, 0x3c, 0x3b, 0xef, 0x6e,
0x6a, 0xa6, 0x02, 0x73, 0x30, 0x3e, 0x34, 0x1b, 0x43, 0xc2, 0x7c,
0x98, 0x52, 0x9f, 0x34, 0x7f, 0x55, 0x97, 0xe9, 0x1a, 0x10}};
EXPECT_EQ(cert_chain1_chain_fingerprint_256,
cert_chain1->CalculateChainFingerprint256());
EXPECT_EQ(cert_chain2_chain_fingerprint_256,
cert_chain2->CalculateChainFingerprint256());
EXPECT_EQ(cert_chain3_chain_fingerprint_256,
cert_chain3->CalculateChainFingerprint256());
}
TEST(X509CertificateTest, ParseSubjectAltNames) {
base::FilePath certs_dir = GetTestCertsDirectory();
scoped_refptr<X509Certificate> san_cert =
ImportCertFromFile(certs_dir, "subjectAltName_sanity_check.pem");
ASSERT_NE(static_cast<X509Certificate*>(nullptr), san_cert.get());
// Ensure that testing for SAN without using it is accepted.
EXPECT_TRUE(san_cert->GetSubjectAltName(nullptr, nullptr));
// Ensure that it's possible to get just dNSNames.
std::vector<std::string> dns_names;
EXPECT_TRUE(san_cert->GetSubjectAltName(&dns_names, nullptr));
// Ensure that it's possible to get just iPAddresses.
std::vector<std::string> ip_addresses;
EXPECT_TRUE(san_cert->GetSubjectAltName(nullptr, &ip_addresses));
// Ensure that DNS names are correctly parsed.
ASSERT_EQ(1U, dns_names.size());
EXPECT_EQ("test.example", dns_names[0]);
// Ensure that both IPv4 and IPv6 addresses are correctly parsed.
ASSERT_EQ(2U, ip_addresses.size());
static const uint8_t kIPv4Address[] = {
0x7F, 0x00, 0x00, 0x02
};
ASSERT_EQ(std::size(kIPv4Address), ip_addresses[0].size());
EXPECT_EQ(
0, memcmp(ip_addresses[0].data(), kIPv4Address, std::size(kIPv4Address)));
static const uint8_t kIPv6Address[] = {
0xFE, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01
};
ASSERT_EQ(std::size(kIPv6Address), ip_addresses[1].size());
EXPECT_EQ(
0, memcmp(ip_addresses[1].data(), kIPv6Address, std::size(kIPv6Address)));
// Ensure the subjectAltName dirName has not influenced the handling of
// the subject commonName.
EXPECT_EQ("127.0.0.1", san_cert->subject().common_name);
scoped_refptr<X509Certificate> no_san_cert =
ImportCertFromFile(certs_dir, "salesforce_com_test.pem");
ASSERT_NE(static_cast<X509Certificate*>(nullptr), no_san_cert.get());
EXPECT_NE(0u, dns_names.size());
EXPECT_NE(0u, ip_addresses.size());
EXPECT_FALSE(no_san_cert->GetSubjectAltName(&dns_names, &ip_addresses));
EXPECT_EQ(0u, dns_names.size());
EXPECT_EQ(0u, ip_addresses.size());
}
TEST(X509CertificateTest, ExtractSPKIFromDERCert) {
base::FilePath certs_dir = GetTestCertsDirectory();
scoped_refptr<X509Certificate> cert =
ImportCertFromFile(certs_dir, "nist.der");
ASSERT_NE(static_cast<X509Certificate*>(nullptr), cert.get());
base::StringPiece spkiBytes;
EXPECT_TRUE(asn1::ExtractSPKIFromDERCert(
x509_util::CryptoBufferAsStringPiece(cert->cert_buffer()), &spkiBytes));
uint8_t hash[base::kSHA1Length];
base::SHA1HashBytes(reinterpret_cast<const uint8_t*>(spkiBytes.data()),
spkiBytes.size(), hash);
EXPECT_EQ(0, memcmp(hash, kNistSPKIHash, sizeof(hash)));
}
TEST(X509CertificateTest, HasCanSignHttpExchangesDraftExtension) {
base::FilePath certs_dir = GetTestCertsDirectory();
scoped_refptr<X509Certificate> cert = ImportCertFromFile(
certs_dir, "can_sign_http_exchanges_draft_extension.pem");
ASSERT_NE(static_cast<X509Certificate*>(nullptr), cert.get());
EXPECT_TRUE(asn1::HasCanSignHttpExchangesDraftExtension(
x509_util::CryptoBufferAsStringPiece(cert->cert_buffer())));
}
TEST(X509CertificateTest, HasCanSignHttpExchangesDraftExtensionInvalid) {
base::FilePath certs_dir = GetTestCertsDirectory();
scoped_refptr<X509Certificate> cert = ImportCertFromFile(
certs_dir, "can_sign_http_exchanges_draft_extension_invalid.pem");
ASSERT_NE(static_cast<X509Certificate*>(nullptr), cert.get());
EXPECT_FALSE(asn1::HasCanSignHttpExchangesDraftExtension(
x509_util::CryptoBufferAsStringPiece(cert->cert_buffer())));
}
TEST(X509CertificateTest, DoesNotHaveCanSignHttpExchangesDraftExtension) {
base::FilePath certs_dir = GetTestCertsDirectory();
scoped_refptr<X509Certificate> cert =
ImportCertFromFile(certs_dir, "ok_cert.pem");
ASSERT_NE(static_cast<X509Certificate*>(nullptr), cert.get());
EXPECT_FALSE(asn1::HasCanSignHttpExchangesDraftExtension(
x509_util::CryptoBufferAsStringPiece(cert->cert_buffer())));
}
TEST(X509CertificateTest, ExtractExtension) {
base::FilePath certs_dir = GetTestCertsDirectory();
scoped_refptr<X509Certificate> cert =
ImportCertFromFile(certs_dir, "ok_cert.pem");
ASSERT_TRUE(cert);
bool present, critical;
base::StringPiece contents;
ASSERT_TRUE(asn1::ExtractExtensionFromDERCert(
x509_util::CryptoBufferAsStringPiece(cert->cert_buffer()),
der::Input(kBasicConstraintsOid).AsStringView(), &present, &critical,
&contents));
EXPECT_TRUE(present);
EXPECT_TRUE(critical);
ASSERT_EQ(base::StringPiece("\x30\x00", 2), contents);
static constexpr uint8_t kNonsenseOID[] = {0x56, 0x1d, 0x13};
ASSERT_TRUE(asn1::ExtractExtensionFromDERCert(
x509_util::CryptoBufferAsStringPiece(cert->cert_buffer()),
base::StringPiece(reinterpret_cast<const char*>(kNonsenseOID),
sizeof(kNonsenseOID)),
&present, &critical, &contents));
ASSERT_FALSE(present);
scoped_refptr<X509Certificate> uid_cert =
ImportCertFromFile(certs_dir, "ct-test-embedded-with-uids.pem");
ASSERT_TRUE(uid_cert);
ASSERT_TRUE(asn1::ExtractExtensionFromDERCert(
x509_util::CryptoBufferAsStringPiece(uid_cert->cert_buffer()),
der::Input(kBasicConstraintsOid).AsStringView(), &present, &critical,
&contents));
EXPECT_TRUE(present);
EXPECT_FALSE(critical);
ASSERT_EQ(base::StringPiece("\x30\x00", 2), contents);
}
// Tests CRYPTO_BUFFER deduping via X509Certificate::CreateFromBuffer. We
// call X509Certificate::CreateFromBuffer several times and observe whether
// it returns a cached or new CRYPTO_BUFFER.
TEST(X509CertificateTest, Cache) {
bssl::UniquePtr<CRYPTO_BUFFER> google_cert_handle;
bssl::UniquePtr<CRYPTO_BUFFER> thawte_cert_handle;
// Add a single certificate to the certificate cache.
google_cert_handle = x509_util::CreateCryptoBuffer(google_der);
ASSERT_TRUE(google_cert_handle);
scoped_refptr<X509Certificate> cert1(
X509Certificate::CreateFromBuffer(std::move(google_cert_handle), {}));
ASSERT_TRUE(cert1);
// Add the same certificate, but as a new handle.
google_cert_handle = x509_util::CreateCryptoBuffer(google_der);
ASSERT_TRUE(google_cert_handle);
scoped_refptr<X509Certificate> cert2(
X509Certificate::CreateFromBuffer(std::move(google_cert_handle), {}));
ASSERT_TRUE(cert2);
// A new X509Certificate should be returned.
EXPECT_NE(cert1.get(), cert2.get());
// But both instances should share the underlying OS certificate handle.
EXPECT_EQ(cert1->cert_buffer(), cert2->cert_buffer());
EXPECT_EQ(0u, cert1->intermediate_buffers().size());
EXPECT_EQ(0u, cert2->intermediate_buffers().size());
// Add the same certificate, but this time with an intermediate. This
// should result in the intermediate being cached. Note that this is not
// a legitimate chain, but is suitable for testing.
google_cert_handle = x509_util::CreateCryptoBuffer(google_der);
thawte_cert_handle = x509_util::CreateCryptoBuffer(thawte_der);
ASSERT_TRUE(google_cert_handle);
ASSERT_TRUE(thawte_cert_handle);
std::vector<bssl::UniquePtr<CRYPTO_BUFFER>> intermediates;
intermediates.push_back(std::move(thawte_cert_handle));
scoped_refptr<X509Certificate> cert3(X509Certificate::CreateFromBuffer(
std::move(google_cert_handle), std::move(intermediates)));
ASSERT_TRUE(cert3);
// Test that the new certificate, even with intermediates, results in the
// same underlying handle being used.
EXPECT_EQ(cert1->cert_buffer(), cert3->cert_buffer());
// Though they use the same OS handle, the intermediates should be different.
EXPECT_NE(cert1->intermediate_buffers().size(),
cert3->intermediate_buffers().size());
}
TEST(X509CertificateTest, Pickle) {
bssl::UniquePtr<CRYPTO_BUFFER> google_cert_handle =
x509_util::CreateCryptoBuffer(google_der);
ASSERT_TRUE(google_cert_handle);
bssl::UniquePtr<CRYPTO_BUFFER> thawte_cert_handle =
x509_util::CreateCryptoBuffer(thawte_der);
ASSERT_TRUE(thawte_cert_handle);
std::vector<bssl::UniquePtr<CRYPTO_BUFFER>> intermediates;
intermediates.push_back(std::move(thawte_cert_handle));
scoped_refptr<X509Certificate> cert = X509Certificate::CreateFromBuffer(
std::move(google_cert_handle), std::move(intermediates));
ASSERT_TRUE(cert);
base::Pickle pickle;
cert->Persist(&pickle);
base::PickleIterator iter(pickle);
scoped_refptr<X509Certificate> cert_from_pickle =
X509Certificate::CreateFromPickle(&iter);
ASSERT_TRUE(cert_from_pickle);
EXPECT_TRUE(x509_util::CryptoBufferEqual(cert->cert_buffer(),
cert_from_pickle->cert_buffer()));
const auto& cert_intermediates = cert->intermediate_buffers();
const auto& pickle_intermediates = cert_from_pickle->intermediate_buffers();
ASSERT_EQ(cert_intermediates.size(), pickle_intermediates.size());
for (size_t i = 0; i < cert_intermediates.size(); ++i) {
EXPECT_TRUE(x509_util::CryptoBufferEqual(cert_intermediates[i].get(),
pickle_intermediates[i].get()));
}
}
TEST(X509CertificateTest, IntermediateCertificates) {
scoped_refptr<X509Certificate> webkit_cert(
X509Certificate::CreateFromBytes(webkit_der));
ASSERT_TRUE(webkit_cert);
scoped_refptr<X509Certificate> thawte_cert(
X509Certificate::CreateFromBytes(thawte_der));
ASSERT_TRUE(thawte_cert);
bssl::UniquePtr<CRYPTO_BUFFER> google_handle;
// Create object with no intermediates:
google_handle = x509_util::CreateCryptoBuffer(google_der);
scoped_refptr<X509Certificate> cert1;
cert1 =
X509Certificate::CreateFromBuffer(bssl::UpRef(google_handle.get()), {});
ASSERT_TRUE(cert1);
EXPECT_EQ(0u, cert1->intermediate_buffers().size());
// Create object with 2 intermediates:
std::vector<bssl::UniquePtr<CRYPTO_BUFFER>> intermediates2;
intermediates2.push_back(bssl::UpRef(webkit_cert->cert_buffer()));
intermediates2.push_back(bssl::UpRef(thawte_cert->cert_buffer()));
scoped_refptr<X509Certificate> cert2 = X509Certificate::CreateFromBuffer(
std::move(google_handle), std::move(intermediates2));
ASSERT_TRUE(cert2);
// Verify it has all the intermediates:
const auto& cert2_intermediates = cert2->intermediate_buffers();
ASSERT_EQ(2u, cert2_intermediates.size());
EXPECT_TRUE(x509_util::CryptoBufferEqual(cert2_intermediates[0].get(),
webkit_cert->cert_buffer()));
EXPECT_TRUE(x509_util::CryptoBufferEqual(cert2_intermediates[1].get(),
thawte_cert->cert_buffer()));
}
TEST(X509CertificateTest, Equals) {
CertificateList certs = CreateCertificateListFromFile(
GetTestCertsDirectory(), "multi-root-chain1.pem",
X509Certificate::FORMAT_PEM_CERT_SEQUENCE);
ASSERT_EQ(4u, certs.size());
// Comparing X509Certificates with no intermediates.
EXPECT_TRUE(certs[0]->EqualsExcludingChain(certs[0].get()));
EXPECT_FALSE(certs[1]->EqualsExcludingChain(certs[0].get()));
EXPECT_FALSE(certs[0]->EqualsExcludingChain(certs[1].get()));
EXPECT_TRUE(certs[0]->EqualsIncludingChain(certs[0].get()));
EXPECT_FALSE(certs[1]->EqualsIncludingChain(certs[0].get()));
EXPECT_FALSE(certs[0]->EqualsIncludingChain(certs[1].get()));
std::vector<bssl::UniquePtr<CRYPTO_BUFFER>> intermediates1;
intermediates1.push_back(bssl::UpRef(certs[1]->cert_buffer()));
scoped_refptr<X509Certificate> cert0_with_intermediate =
X509Certificate::CreateFromBuffer(bssl::UpRef(certs[0]->cert_buffer()),
std::move(intermediates1));
ASSERT_TRUE(cert0_with_intermediate);
// Comparing X509Certificate with one intermediate to X509Certificate with no
// intermediates.
EXPECT_TRUE(certs[0]->EqualsExcludingChain(cert0_with_intermediate.get()));
EXPECT_TRUE(cert0_with_intermediate->EqualsExcludingChain(certs[0].get()));
EXPECT_FALSE(certs[0]->EqualsIncludingChain(cert0_with_intermediate.get()));
EXPECT_FALSE(cert0_with_intermediate->EqualsIncludingChain(certs[0].get()));
std::vector<bssl::UniquePtr<CRYPTO_BUFFER>> intermediates2;
intermediates2.push_back(bssl::UpRef(certs[2]->cert_buffer()));
scoped_refptr<X509Certificate> cert0_with_intermediate2 =
X509Certificate::CreateFromBuffer(bssl::UpRef(certs[0]->cert_buffer()),
std::move(intermediates2));
ASSERT_TRUE(cert0_with_intermediate2);
// Comparing X509Certificate with one intermediate to X509Certificate with
// one different intermediate.
EXPECT_TRUE(cert0_with_intermediate2->EqualsExcludingChain(
cert0_with_intermediate.get()));
EXPECT_TRUE(cert0_with_intermediate->EqualsExcludingChain(
cert0_with_intermediate2.get()));
EXPECT_FALSE(cert0_with_intermediate2->EqualsIncludingChain(
cert0_with_intermediate.get()));
EXPECT_FALSE(cert0_with_intermediate->EqualsIncludingChain(
cert0_with_intermediate2.get()));
std::vector<bssl::UniquePtr<CRYPTO_BUFFER>> intermediates12;
intermediates12.push_back(bssl::UpRef(certs[1]->cert_buffer()));
intermediates12.push_back(bssl::UpRef(certs[2]->cert_buffer()));
scoped_refptr<X509Certificate> cert0_with_intermediates12 =
X509Certificate::CreateFromBuffer(bssl::UpRef(certs[0]->cert_buffer()),
std::move(intermediates12));
ASSERT_TRUE(cert0_with_intermediates12);
std::vector<bssl::UniquePtr<CRYPTO_BUFFER>> intermediates21;
intermediates21.push_back(bssl::UpRef(certs[2]->cert_buffer()));
intermediates21.push_back(bssl::UpRef(certs[1]->cert_buffer()));
scoped_refptr<X509Certificate> cert0_with_intermediates21 =
X509Certificate::CreateFromBuffer(bssl::UpRef(certs[0]->cert_buffer()),
std::move(intermediates21));
ASSERT_TRUE(cert0_with_intermediates21);
// Comparing X509Certificate with two intermediates to X509Certificate with
// same two intermediates but in reverse order
EXPECT_TRUE(cert0_with_intermediates21->EqualsExcludingChain(
cert0_with_intermediates12.get()));
EXPECT_TRUE(cert0_with_intermediates12->EqualsExcludingChain(
cert0_with_intermediates21.get()));
EXPECT_FALSE(cert0_with_intermediates21->EqualsIncludingChain(
cert0_with_intermediates12.get()));
EXPECT_FALSE(cert0_with_intermediates12->EqualsIncludingChain(
cert0_with_intermediates21.get()));
std::vector<bssl::UniquePtr<CRYPTO_BUFFER>> intermediates12b;
intermediates12b.push_back(bssl::UpRef(certs[1]->cert_buffer()));
intermediates12b.push_back(bssl::UpRef(certs[2]->cert_buffer()));
scoped_refptr<X509Certificate> cert0_with_intermediates12b =
X509Certificate::CreateFromBuffer(bssl::UpRef(certs[0]->cert_buffer()),
std::move(intermediates12b));
ASSERT_TRUE(cert0_with_intermediates12b);
// Comparing X509Certificate with two intermediates to X509Certificate with
// same two intermediates in same order.
EXPECT_TRUE(cert0_with_intermediates12->EqualsExcludingChain(
cert0_with_intermediates12b.get()));
EXPECT_TRUE(cert0_with_intermediates12b->EqualsExcludingChain(
cert0_with_intermediates12.get()));
EXPECT_TRUE(cert0_with_intermediates12->EqualsIncludingChain(
cert0_with_intermediates12b.get()));
EXPECT_TRUE(cert0_with_intermediates12b->EqualsIncludingChain(
cert0_with_intermediates12.get()));
}
TEST(X509CertificateTest, IsIssuedByEncoded) {
base::FilePath certs_dir = GetTestCertsDirectory();
// Test a client certificate from MIT.
scoped_refptr<X509Certificate> mit_davidben_cert(
ImportCertFromFile(certs_dir, "mit.davidben.der"));
ASSERT_NE(static_cast<X509Certificate*>(nullptr), mit_davidben_cert.get());
std::string mit_issuer(reinterpret_cast<const char*>(MITDN),
sizeof(MITDN));
// Test a certificate from Google, issued by Thawte
scoped_refptr<X509Certificate> google_cert(
ImportCertFromFile(certs_dir, "google.single.der"));
ASSERT_NE(static_cast<X509Certificate*>(nullptr), google_cert.get());
std::string thawte_issuer(reinterpret_cast<const char*>(ThawteDN),
sizeof(ThawteDN));
// Check that the David Ben certificate is issued by MIT, but not
// by Thawte.
std::vector<std::string> issuers;
issuers.clear();
issuers.push_back(mit_issuer);
EXPECT_TRUE(mit_davidben_cert->IsIssuedByEncoded(issuers));
EXPECT_FALSE(google_cert->IsIssuedByEncoded(issuers));
// Check that the Google certificate is issued by Thawte and not
// by MIT.
issuers.clear();
issuers.push_back(thawte_issuer);
EXPECT_FALSE(mit_davidben_cert->IsIssuedByEncoded(issuers));
EXPECT_TRUE(google_cert->IsIssuedByEncoded(issuers));
// Check that they both pass when given a list of the two issuers.
issuers.clear();
issuers.push_back(mit_issuer);
issuers.push_back(thawte_issuer);
EXPECT_TRUE(mit_davidben_cert->IsIssuedByEncoded(issuers));
EXPECT_TRUE(google_cert->IsIssuedByEncoded(issuers));
}
TEST(X509CertificateTest, IsSelfSigned) {
base::FilePath certs_dir = GetTestCertsDirectory();
scoped_refptr<X509Certificate> cert(
ImportCertFromFile(certs_dir, "mit.davidben.der"));
ASSERT_NE(static_cast<X509Certificate*>(nullptr), cert.get());
EXPECT_FALSE(X509Certificate::IsSelfSigned(cert->cert_buffer()));
scoped_refptr<X509Certificate> self_signed(
ImportCertFromFile(certs_dir, "root_ca_cert.pem"));
ASSERT_NE(static_cast<X509Certificate*>(nullptr), self_signed.get());
EXPECT_TRUE(X509Certificate::IsSelfSigned(self_signed->cert_buffer()));
scoped_refptr<X509Certificate> bad_name(
ImportCertFromFile(certs_dir, "self-signed-invalid-name.pem"));
ASSERT_NE(static_cast<X509Certificate*>(nullptr), bad_name.get());
EXPECT_FALSE(X509Certificate::IsSelfSigned(bad_name->cert_buffer()));
scoped_refptr<X509Certificate> bad_sig(
ImportCertFromFile(certs_dir, "self-signed-invalid-sig.pem"));
ASSERT_NE(static_cast<X509Certificate*>(nullptr), bad_sig.get());
EXPECT_FALSE(X509Certificate::IsSelfSigned(bad_sig->cert_buffer()));
constexpr char invalid_cert_data[] = "this is not a certificate";
bssl::UniquePtr<CRYPTO_BUFFER> invalid_cert_handle =
x509_util::CreateCryptoBuffer(base::StringPiece(invalid_cert_data));
ASSERT_TRUE(invalid_cert_handle);
EXPECT_FALSE(X509Certificate::IsSelfSigned(invalid_cert_handle.get()));
}
TEST(X509CertificateTest, IsIssuedByEncodedWithIntermediates) {
auto [leaf, intermediate, root] = CertBuilder::CreateSimpleChain3();
std::string intermediate_dn = intermediate->GetSubject();
std::string root_dn = root->GetSubject();
// Create an X509Certificate object containing the leaf and the intermediate
// but not the root.
scoped_refptr<X509Certificate> cert_chain = leaf->GetX509CertificateChain();
ASSERT_TRUE(cert_chain);
// Check that the chain is issued by the intermediate.
EXPECT_TRUE(cert_chain->IsIssuedByEncoded({intermediate_dn}));
// Check that the chain is also issued by the root.
EXPECT_TRUE(cert_chain->IsIssuedByEncoded({root_dn}));
// Check that the chain is issued by either the intermediate or the root.
EXPECT_TRUE(cert_chain->IsIssuedByEncoded({intermediate_dn, root_dn}));
// Check that an empty issuers list returns false.
EXPECT_FALSE(cert_chain->IsIssuedByEncoded({}));
// Check that the chain is not issued by Verisign
std::string verisign_issuer(reinterpret_cast<const char*>(VerisignDN),
sizeof(VerisignDN));
EXPECT_FALSE(cert_chain->IsIssuedByEncoded({verisign_issuer}));
// Check that the chain is issued by root, though the extraneous Verisign
// name is also given.
EXPECT_TRUE(cert_chain->IsIssuedByEncoded({verisign_issuer, root_dn}));
}
const struct CertificateFormatTestData {
const char* file_name;
X509Certificate::Format format;
SHA256HashValue* chain_fingerprints[3];
} kFormatTestData[] = {
// DER Parsing - single certificate, DER encoded
{"google.single.der",
X509Certificate::FORMAT_SINGLE_CERTIFICATE,
{
&google_parse_fingerprint,
nullptr,
}},
// DER parsing - single certificate, PEM encoded
{"google.single.pem",
X509Certificate::FORMAT_SINGLE_CERTIFICATE,
{
&google_parse_fingerprint,
nullptr,
}},
// PEM parsing - single certificate, PEM encoded with a PEB of
// "CERTIFICATE"
{"google.single.pem",
X509Certificate::FORMAT_PEM_CERT_SEQUENCE,
{
&google_parse_fingerprint,
nullptr,
}},
// PEM parsing - sequence of certificates, PEM encoded with a PEB of
// "CERTIFICATE"
{"google.chain.pem",
X509Certificate::FORMAT_PEM_CERT_SEQUENCE,
{
&google_parse_fingerprint,
&thawte_parse_fingerprint,
nullptr,
}},
// PKCS#7 parsing - "degenerate" SignedData collection of certificates, DER
// encoding
{"google.binary.p7b",
X509Certificate::FORMAT_PKCS7,
{
&google_parse_fingerprint,
&thawte_parse_fingerprint,
nullptr,
}},
// PKCS#7 parsing - "degenerate" SignedData collection of certificates, PEM
// encoded with a PEM PEB of "CERTIFICATE"
{"google.pem_cert.p7b",
X509Certificate::FORMAT_PKCS7,
{
&google_parse_fingerprint,
&thawte_parse_fingerprint,
nullptr,
}},
// PKCS#7 parsing - "degenerate" SignedData collection of certificates, PEM
// encoded with a PEM PEB of "PKCS7"
{"google.pem_pkcs7.p7b",
X509Certificate::FORMAT_PKCS7,
{
&google_parse_fingerprint,
&thawte_parse_fingerprint,
nullptr,
}},
// All of the above, this time using auto-detection
{"google.single.der",
X509Certificate::FORMAT_AUTO,
{
&google_parse_fingerprint,
nullptr,
}},
{"google.single.pem",
X509Certificate::FORMAT_AUTO,
{
&google_parse_fingerprint,
nullptr,
}},
{"google.chain.pem",
X509Certificate::FORMAT_AUTO,
{
&google_parse_fingerprint,
&thawte_parse_fingerprint,
nullptr,
}},
{"google.binary.p7b",
X509Certificate::FORMAT_AUTO,
{
&google_parse_fingerprint,
&thawte_parse_fingerprint,
nullptr,
}},
{"google.pem_cert.p7b",
X509Certificate::FORMAT_AUTO,
{
&google_parse_fingerprint,
&thawte_parse_fingerprint,
nullptr,
}},
{"google.pem_pkcs7.p7b",
X509Certificate::FORMAT_AUTO,
{
&google_parse_fingerprint,
&thawte_parse_fingerprint,
nullptr,
}},
};
class X509CertificateParseTest
: public testing::TestWithParam<CertificateFormatTestData> {
public:
~X509CertificateParseTest() override = default;
void SetUp() override { test_data_ = GetParam(); }
void TearDown() override {}
protected:
CertificateFormatTestData test_data_;
};
TEST_P(X509CertificateParseTest, CanParseFormat) {
base::FilePath certs_dir = GetTestCertsDirectory();
CertificateList certs = CreateCertificateListFromFile(
certs_dir, test_data_.file_name, test_data_.format);
ASSERT_FALSE(certs.empty());
ASSERT_LE(certs.size(), std::size(test_data_.chain_fingerprints));
CheckGoogleCert(certs.front(), google_parse_fingerprint,
kGoogleParseValidFrom, kGoogleParseValidTo);
for (size_t i = 0; i < std::size(test_data_.chain_fingerprints); ++i) {
if (!test_data_.chain_fingerprints[i]) {
// No more test certificates expected - make sure no more were
// returned before marking this test a success.
EXPECT_EQ(i, certs.size());
break;
}
// A cert is expected - make sure that one was parsed.
ASSERT_LT(i, certs.size());
ASSERT_TRUE(certs[i]);
// Compare the parsed certificate with the expected certificate, by
// comparing fingerprints.
EXPECT_EQ(
*test_data_.chain_fingerprints[i],
X509Certificate::CalculateFingerprint256(certs[i]->cert_buffer()));
}
}
INSTANTIATE_TEST_SUITE_P(All,
X509CertificateParseTest,
testing::ValuesIn(kFormatTestData));
struct CertificateNameVerifyTestData {
// true iff we expect hostname to match an entry in cert_names.
bool expected;
// The hostname to match.
const char* hostname;
// Comma separated list of certificate names to match against. Any occurrence
// of '#' will be replaced with a null character before processing.
const char* dns_names;
// Comma separated list of certificate IP Addresses to match against. Each
// address is x prefixed 16 byte hex code for v6 or dotted-decimals for v4.
const char* ip_addrs;
};
// GTest 'magic' pretty-printer, so that if/when a test fails, it knows how
// to output the parameter that was passed. Without this, it will simply
// attempt to print out the first twenty bytes of the object, which depending
// on platform and alignment, may result in an invalid read.
void PrintTo(const CertificateNameVerifyTestData& data, std::ostream* os) {
ASSERT_TRUE(data.hostname);
ASSERT_TRUE(data.dns_names || data.ip_addrs);
*os << " expected: " << data.expected << "; hostname: " << data.hostname
<< "; dns_names: " << (data.dns_names ? data.dns_names : "")
<< "; ip_addrs: " << (data.ip_addrs ? data.ip_addrs : "");
}
const CertificateNameVerifyTestData kNameVerifyTestData[] = {
{true, "foo.com", "foo.com"},
{true, "f", "f"},
{false, "h", "i"},
{true, "bar.foo.com", "*.foo.com"},
{true, "www.test.fr", "*.test.com,*.test.co.uk,*.test.de,*.test.fr"},
{true, "wwW.tESt.fr", ",*.*,*.test.de,*.test.FR,www"},
{false, "f.uk", ".uk"},
{false, "w.bar.foo.com", "?.bar.foo.com"},
{false, "www.foo.com", "(www|ftp).foo.com"},
{false, "www.foo.com", "www.foo.com#"}, // # = null char.
{false, "www.foo.com", "www.foo.com#*.foo.com,#,#"},
{false, "www.house.example", "ww.house.example"},
{false, "test.org", "www.test.org,*.test.org,*.org"},
{false, "w.bar.foo.com", "w*.bar.foo.com"},
{false, "www.bar.foo.com", "ww*ww.bar.foo.com"},
{false, "wwww.bar.foo.com", "ww*ww.bar.foo.com"},
{false, "wwww.bar.foo.com", "w*w.bar.foo.com"},
{false, "wwww.bar.foo.com", "w*w.bar.foo.c0m"},
{false, "WALLY.bar.foo.com", "wa*.bar.foo.com"},
{false, "wally.bar.foo.com", "*Ly.bar.foo.com"},
// Hostname escaping tests
{true, "ww%57.foo.com", "www.foo.com"},
{true, "www%2Efoo.com", "www.foo.com"},
{false, "www%00.foo.com", "www,foo.com,www.foo.com"},
{false, "www%0D.foo.com", "www.foo.com,www\r.foo.com"},
{false, "www%40foo.com", "www@foo.com"},
{false, "www%2E%2Efoo.com", "www.foo.com,www..foo.com"},
{false, "www%252Efoo.com", "www.foo.com"},
// IDN tests
{true, "xn--poema-9qae5a.com.br", "xn--poema-9qae5a.com.br"},
{true, "www.xn--poema-9qae5a.com.br", "*.xn--poema-9qae5a.com.br"},
{false, "xn--poema-9qae5a.com.br",
"*.xn--poema-9qae5a.com.br,"
"xn--poema-*.com.br,"
"xn--*-9qae5a.com.br,"
"*--poema-9qae5a.com.br"},
// The following are adapted from the examples quoted from
// http://tools.ietf.org/html/rfc6125#section-6.4.3
// (e.g., *.example.com would match foo.example.com but
// not bar.foo.example.com or example.com).
{true, "foo.example.com", "*.example.com"},
{false, "bar.foo.example.com", "*.example.com"},
{false, "example.com", "*.example.com"},
// Partial wildcards are disallowed, though RFC 2818 rules allow them.
// That is, forms such as baz*.example.net, *baz.example.net, and
// b*z.example.net should NOT match domains. Instead, the wildcard must
// always be the left-most label, and only a single label.
{false, "baz1.example.net", "baz*.example.net"},
{false, "foobaz.example.net", "*baz.example.net"},
{false, "buzz.example.net", "b*z.example.net"},
{false, "www.test.example.net", "www.*.example.net"},
// Wildcards should not be valid for public registry controlled domains,
// and unknown/unrecognized domains, at least three domain components must
// be present.
{true, "www.test.example", "*.test.example"},
{true, "test.example.co.uk", "*.example.co.uk"},
{false, "test.example", "*.example"},
{false, "example.co.uk", "*.co.uk"},
{false, "foo.com", "*.com"},
{false, "foo.us", "*.us"},
{false, "foo", "*"},
// IDN variants of wildcards and registry controlled domains.
{true, "www.xn--poema-9qae5a.com.br", "*.xn--poema-9qae5a.com.br"},
{true, "test.example.xn--mgbaam7a8h", "*.example.xn--mgbaam7a8h"},
{false, "xn--poema-9qae5a.com.br", "*.com.br"},
{false, "example.xn--mgbaam7a8h", "*.xn--mgbaam7a8h"},
// Wildcards should be permissible for 'private' registry controlled
// domains.
{true, "www.appspot.com", "*.appspot.com"},
{true, "foo.s3.amazonaws.com", "*.s3.amazonaws.com"},
// Multiple wildcards are not valid.
{false, "foo.example.com", "*.*.com"},
{false, "foo.bar.example.com", "*.bar.*.com"},
// Absolute vs relative DNS name tests. Although not explicitly specified
// in RFC 6125, absolute reference names (those ending in a .) should
// match either absolute or relative presented names.
{true, "foo.com", "foo.com."},
{true, "foo.com.", "foo.com"},
{true, "foo.com.", "foo.com."},
{true, "f", "f."},
{true, "f.", "f"},
{true, "f.", "f."},
{true, "www-3.bar.foo.com", "*.bar.foo.com."},
{true, "www-3.bar.foo.com.", "*.bar.foo.com"},
{true, "www-3.bar.foo.com.", "*.bar.foo.com."},
{false, ".", "."},
{false, "example.com", "*.com."},
{false, "example.com.", "*.com"},
{false, "example.com.", "*.com."},
{false, "foo.", "*."},
{false, "foo", "*."},
{false, "foo.co.uk", "*.co.uk."},
{false, "foo.co.uk.", "*.co.uk."},
// IP addresses in subject alternative name
{true, "10.1.2.3", "", "10.1.2.3"},
{true, "14.15", "", "14.0.0.15"},
{false, "10.1.2.7", "", "10.1.2.6,10.1.2.8"},
{false, "10.1.2.8", "foo"},
{true, "::4.5.6.7", "", "x00000000000000000000000004050607"},
{false, "::6.7.8.9", "::6.7.8.9",
"x00000000000000000000000006070808,x0000000000000000000000000607080a,"
"xff000000000000000000000006070809,6.7.8.9"},
{true, "FE80::200:f8ff:fe21:67cf", "",
"x00000000000000000000000006070808,xfe800000000000000200f8fffe2167cf,"
"xff0000000000000000000000060708ff,10.0.0.1"},
// Invalid hostnames with final numeric component.
{false, "121.2.3.512", "1*1.2.3.512,*1.2.3.512,1*.2.3.512,*.2.3.512",
"121.2.3.0"},
{false, "1.2.3.4.5.6", "*.2.3.4.5.6"},
{false, "1.2.3.4.5", "1.2.3.4.5"},
{false, "a.0.0.1", "*.0.0.1"},
// IP addresses in dNSName should not match commonName
{false, "127.0.0.1", "127.0.0.1"},
{false, "127.0.0.1", "*.0.0.1"},
// Invalid host names.
{false, ".", ""},
{false, ".", "."},
{false, "1.2.3.4..", "", "1.2.3.4"},
{false, "www..domain.example", "www.domain.example"},
{false, "www^domain.example", "www^domain.example"},
{false, "www%20.domain.example", "www .domain.example"},
{false, "www%2520.domain.example", "www .domain.example"},
{false, "www%5E.domain.example", "www^domain.example"},
{false, "www,domain.example", "www,domain.example"},
{false, "0x000000002200037955161..", "0x000000002200037955161"},
{false, "junk)(£)$*!@~#", "junk)(£)$*!@~#"},
{false, "www.*.com", "www.*.com"},
{false, "w$w.f.com", "w$w.f.com"},
{false, "nocolonallowed:example", "nocolonallowed:example"},
{false, "www-1.[::FFFF:129.144.52.38]", "*.[::FFFF:129.144.52.38]"},
{false, "[::4.5.6.9]", "", "x00000000000000000000000004050609"},
};
class X509CertificateNameVerifyTest
: public testing::TestWithParam<CertificateNameVerifyTestData> {
};
TEST_P(X509CertificateNameVerifyTest, VerifyHostname) {
CertificateNameVerifyTestData test_data = GetParam();
std::vector<std::string> dns_names, ip_addressses;
if (test_data.dns_names) {
// Build up the certificate DNS names list.
std::string dns_name_line(test_data.dns_names);
std::replace(dns_name_line.begin(), dns_name_line.end(), '#', '\0');
dns_names = base::SplitString(dns_name_line, ",", base::TRIM_WHITESPACE,
base::SPLIT_WANT_ALL);
}
if (test_data.ip_addrs) {
// Build up the certificate IP address list.
std::string ip_addrs_line(test_data.ip_addrs);
std::vector<std::string> ip_addressses_ascii = base::SplitString(
ip_addrs_line, ",", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
for (size_t i = 0; i < ip_addressses_ascii.size(); ++i) {
std::string& addr_ascii = ip_addressses_ascii[i];
ASSERT_NE(0U, addr_ascii.length());
if (addr_ascii[0] == 'x') { // Hex encoded address
addr_ascii.erase(0, 1);
std::string bytes;
EXPECT_TRUE(base::HexStringToString(addr_ascii, &bytes))
<< "Could not parse hex address " << addr_ascii << " i = " << i;
ip_addressses.push_back(std::move(bytes));
ASSERT_EQ(16U, ip_addressses.back().size()) << i;
} else { // Decimal groups
std::vector<std::string> decimals_ascii_list = base::SplitString(
addr_ascii, ".", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
EXPECT_EQ(4U, decimals_ascii_list.size()) << i;
std::string addr_bytes;
for (const auto& decimals_ascii : decimals_ascii_list) {
int decimal_value;
EXPECT_TRUE(base::StringToInt(decimals_ascii, &decimal_value));
EXPECT_GE(decimal_value, 0);
EXPECT_LE(decimal_value, 255);
addr_bytes.push_back(static_cast<char>(decimal_value));
}
ip_addressses.push_back(addr_bytes);
ASSERT_EQ(4U, ip_addressses.back().size()) << i;
}
}
}
EXPECT_EQ(test_data.expected,
X509Certificate::VerifyHostname(test_data.hostname, dns_names,
ip_addressses));
}
INSTANTIATE_TEST_SUITE_P(All,
X509CertificateNameVerifyTest,
testing::ValuesIn(kNameVerifyTestData));
const struct PublicKeyInfoTestData {
const char* cert_file;
size_t expected_bits;
X509Certificate::PublicKeyType expected_type;
} kPublicKeyInfoTestData[] = {
{"768-rsa-ee-by-768-rsa-intermediate.pem", 768,
X509Certificate::kPublicKeyTypeRSA},
{"1024-rsa-ee-by-768-rsa-intermediate.pem", 1024,
X509Certificate::kPublicKeyTypeRSA},
{"prime256v1-ecdsa-ee-by-1024-rsa-intermediate.pem", 256,
X509Certificate::kPublicKeyTypeECDSA},
{"large_key.pem", 8200, X509Certificate::kPublicKeyTypeRSA},
};
class X509CertificatePublicKeyInfoTest
: public testing::TestWithParam<PublicKeyInfoTestData> {
};
TEST_P(X509CertificatePublicKeyInfoTest, GetPublicKeyInfo) {
PublicKeyInfoTestData data = GetParam();
scoped_refptr<X509Certificate> cert(
ImportCertFromFile(GetTestCertsDirectory(), data.cert_file));
ASSERT_TRUE(cert.get());
size_t actual_bits = 0;
X509Certificate::PublicKeyType actual_type =
X509Certificate::kPublicKeyTypeUnknown;
X509Certificate::GetPublicKeyInfo(cert->cert_buffer(), &actual_bits,
&actual_type);
EXPECT_EQ(data.expected_bits, actual_bits);
EXPECT_EQ(data.expected_type, actual_type);
}
INSTANTIATE_TEST_SUITE_P(All,
X509CertificatePublicKeyInfoTest,
testing::ValuesIn(kPublicKeyInfoTestData));
} // namespace net
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