1 // Copyright 2013 The Chromium Authors
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #ifndef NET_SSL_CLIENT_CERT_STORE_UNITTEST_INL_H_
6 #define NET_SSL_CLIENT_CERT_STORE_UNITTEST_INL_H_
7
8 #include <memory>
9 #include <string>
10 #include <vector>
11
12 #include "base/files/file_path.h"
13 #include "base/files/file_util.h"
14 #include "base/memory/ref_counted.h"
15 #include "net/cert/x509_util.h"
16 #include "net/ssl/ssl_cert_request_info.h"
17 #include "net/test/cert_test_util.h"
18 #include "net/test/test_data_directory.h"
19 #include "net/test/test_with_task_environment.h"
20 #include "testing/gtest/include/gtest/gtest.h"
21 #include "third_party/boringssl/src/pki/pem.h"
22
23 namespace net {
24
25 namespace {
26
27 // "CN=B CA" - DER encoded DN of the issuer of client_1.pem
28 const unsigned char kAuthority1DN[] = {
29 0x30, 0x0f, 0x31, 0x0d, 0x30, 0x0b, 0x06, 0x03, 0x55,
30 0x04, 0x03, 0x0c, 0x04, 0x42, 0x20, 0x43, 0x41,
31 };
32
33 // "CN=E CA" - DER encoded DN of the issuer of client_2.pem
34 const unsigned char kAuthority2DN[] = {
35 0x30, 0x0f, 0x31, 0x0d, 0x30, 0x0b, 0x06, 0x03, 0x55,
36 0x04, 0x03, 0x0c, 0x04, 0x45, 0x20, 0x43, 0x41,
37 };
38
39 // "CN=C Root CA" - DER encoded DN of the issuer of client_1_ca.pem,
40 // client_2_ca.pem, and client_3_ca.pem.
41 const unsigned char kAuthorityRootDN[] = {
42 0x30, 0x14, 0x31, 0x12, 0x30, 0x10, 0x06, 0x03, 0x55, 0x04, 0x03,
43 0x0c, 0x09, 0x43, 0x20, 0x52, 0x6f, 0x6f, 0x74, 0x20, 0x43, 0x41,
44 };
45
46 } // namespace
47
48 // Use a templated test to provide common testcases for all the platform
49 // implementations of ClientCertStore. These cases test the client cert
50 // filtering behavior.
51 //
52 // NOTE: If any test cases are added, removed, or renamed, the
53 // REGISTER_TYPED_TEST_SUITE_P macro at the bottom of this file must be updated.
54 //
55 // The type T provided as the third argument to INSTANTIATE_TYPED_TEST_SUITE_P
56 // by the platform implementation should implement this method: bool
57 // SelectClientCerts(const CertificateList& input_certs,
58 // const SSLCertRequestInfo& cert_request_info,
59 // ClientCertIdentityList* selected_identities);
60 template <typename T>
61 class ClientCertStoreTest : public TestWithTaskEnvironment {
62 public:
63 T delegate_;
64 };
65
66 TYPED_TEST_SUITE_P(ClientCertStoreTest);
67
TYPED_TEST_P(ClientCertStoreTest,EmptyQuery)68 TYPED_TEST_P(ClientCertStoreTest, EmptyQuery) {
69 CertificateList certs;
70 auto request = base::MakeRefCounted<SSLCertRequestInfo>();
71
72 ClientCertIdentityList selected_identities;
73 bool rv = this->delegate_.SelectClientCerts(certs, *request.get(),
74 &selected_identities);
75 EXPECT_TRUE(rv);
76 EXPECT_EQ(0u, selected_identities.size());
77 }
78
79 // Verify that CertRequestInfo with empty |cert_authorities| matches all
80 // issuers, rather than no issuers.
TYPED_TEST_P(ClientCertStoreTest,AllIssuersAllowed)81 TYPED_TEST_P(ClientCertStoreTest, AllIssuersAllowed) {
82 scoped_refptr<X509Certificate> cert(
83 ImportCertFromFile(GetTestCertsDirectory(), "client_1.pem"));
84 ASSERT_TRUE(cert.get());
85
86 std::vector<scoped_refptr<X509Certificate> > certs;
87 certs.push_back(cert);
88 auto request = base::MakeRefCounted<SSLCertRequestInfo>();
89
90 ClientCertIdentityList selected_identities;
91 bool rv = this->delegate_.SelectClientCerts(certs, *request.get(),
92 &selected_identities);
93 EXPECT_TRUE(rv);
94 ASSERT_EQ(1u, selected_identities.size());
95 EXPECT_TRUE(
96 selected_identities[0]->certificate()->EqualsExcludingChain(cert.get()));
97 }
98
99 // Verify that certificates are correctly filtered against CertRequestInfo with
100 // |cert_authorities| containing only |authority_1_DN|.
TYPED_TEST_P(ClientCertStoreTest,CertAuthorityFiltering)101 TYPED_TEST_P(ClientCertStoreTest, CertAuthorityFiltering) {
102 scoped_refptr<X509Certificate> cert_1(
103 ImportCertFromFile(GetTestCertsDirectory(), "client_1.pem"));
104 ASSERT_TRUE(cert_1.get());
105 scoped_refptr<X509Certificate> cert_2(
106 ImportCertFromFile(GetTestCertsDirectory(), "client_2.pem"));
107 ASSERT_TRUE(cert_2.get());
108
109 std::vector<std::string> authority_1(
110 1, std::string(reinterpret_cast<const char*>(kAuthority1DN),
111 sizeof(kAuthority1DN)));
112 std::vector<std::string> authority_2(
113 1, std::string(reinterpret_cast<const char*>(kAuthority2DN),
114 sizeof(kAuthority2DN)));
115 EXPECT_TRUE(cert_1->IsIssuedByEncoded(authority_1));
116 EXPECT_FALSE(cert_1->IsIssuedByEncoded(authority_2));
117 EXPECT_TRUE(cert_2->IsIssuedByEncoded(authority_2));
118 EXPECT_FALSE(cert_2->IsIssuedByEncoded(authority_1));
119
120 std::vector<scoped_refptr<X509Certificate> > certs;
121 certs.push_back(cert_1);
122 certs.push_back(cert_2);
123 auto request = base::MakeRefCounted<SSLCertRequestInfo>();
124 request->cert_authorities = authority_1;
125
126 ClientCertIdentityList selected_identities;
127 bool rv = this->delegate_.SelectClientCerts(certs, *request.get(),
128 &selected_identities);
129 EXPECT_TRUE(rv);
130 ASSERT_EQ(1u, selected_identities.size());
131 EXPECT_TRUE(selected_identities[0]->certificate()->EqualsExcludingChain(
132 cert_1.get()));
133 }
134
TYPED_TEST_P(ClientCertStoreTest,PrintableStringContainingUTF8)135 TYPED_TEST_P(ClientCertStoreTest, PrintableStringContainingUTF8) {
136 base::FilePath certs_dir =
137 GetTestNetDataDirectory().AppendASCII("parse_certificate_unittest");
138
139 std::string file_data;
140 ASSERT_TRUE(base::ReadFileToString(
141 certs_dir.AppendASCII(
142 "subject_printable_string_containing_utf8_client_cert.pem"),
143 &file_data));
144
145 bssl::PEMTokenizer pem_tokenizer(file_data, {"CERTIFICATE"});
146 ASSERT_TRUE(pem_tokenizer.GetNext());
147 std::string cert_der(pem_tokenizer.data());
148 ASSERT_FALSE(pem_tokenizer.GetNext());
149
150 bssl::UniquePtr<CRYPTO_BUFFER> cert_handle =
151 x509_util::CreateCryptoBuffer(cert_der);
152 ASSERT_TRUE(cert_handle);
153
154 X509Certificate::UnsafeCreateOptions options;
155 options.printable_string_is_utf8 = true;
156 scoped_refptr<X509Certificate> cert =
157 X509Certificate::CreateFromBufferUnsafeOptions(std::move(cert_handle), {},
158 options);
159 ASSERT_TRUE(cert);
160
161 auto request = base::MakeRefCounted<SSLCertRequestInfo>();
162
163 ClientCertIdentityList selected_identities;
164 bool rv = this->delegate_.SelectClientCerts({cert}, *request.get(),
165 &selected_identities);
166 EXPECT_TRUE(rv);
167 ASSERT_EQ(1u, selected_identities.size());
168 EXPECT_TRUE(
169 selected_identities[0]->certificate()->EqualsExcludingChain(cert.get()));
170 }
171
172 REGISTER_TYPED_TEST_SUITE_P(ClientCertStoreTest,
173 EmptyQuery,
174 AllIssuersAllowed,
175 CertAuthorityFiltering,
176 PrintableStringContainingUTF8);
177
178 } // namespace net
179
180 #endif // NET_SSL_CLIENT_CERT_STORE_UNITTEST_INL_H_
181