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Side by Side Diff: net/cert/ct_policy_enforcer_unittest.cc

Issue 1578993003: Add Expect CT policy that gets checked on all certs (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: tweaks Created 4 years, 11 months ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "net/cert/ct_policy_enforcer.h" 5 #include "net/cert/ct_policy_enforcer.h"
6 6
7 #include <string> 7 #include <string>
8 8
9 #include "base/memory/scoped_ptr.h" 9 #include "base/memory/scoped_ptr.h"
10 #include "base/time/time.h" 10 #include "base/time/time.h"
(...skipping 105 matching lines...) Expand 10 before | Expand all | Expand 10 after
116 const base::Time& start, 116 const base::Time& start,
117 const base::Time& end, 117 const base::Time& end,
118 size_t required_scts) { 118 size_t required_scts) {
119 scoped_refptr<X509Certificate> cert( 119 scoped_refptr<X509Certificate> cert(
120 new X509Certificate("subject", "issuer", start, end)); 120 new X509Certificate("subject", "issuer", start, end));
121 ct::CTVerifyResult result; 121 ct::CTVerifyResult result;
122 122
123 for (size_t i = 0; i < required_scts - 1; ++i) { 123 for (size_t i = 0; i < required_scts - 1; ++i) {
124 FillResultWithSCTsOfOrigin(ct::SignedCertificateTimestamp::SCT_EMBEDDED, 124 FillResultWithSCTsOfOrigin(ct::SignedCertificateTimestamp::SCT_EMBEDDED,
125 1, std::vector<std::string>(), false, &result); 125 1, std::vector<std::string>(), false, &result);
126 EXPECT_FALSE(policy_enforcer_->DoesConformToCTEVPolicy( 126 EXPECT_FALSE(
127 cert.get(), nullptr, result, BoundNetLog())) 127 policy_enforcer_->DoesConformToCertPolicy(cert.get(), result))
128 << " for: " << (end - start).InDays() << " and " << required_scts 128 << " for: " << (end - start).InDays() << " and " << required_scts
129 << " scts=" << result.verified_scts.size() << " i=" << i; 129 << " scts=" << result.verified_scts.size() << " i=" << i;
130 } 130 }
131 FillResultWithSCTsOfOrigin(ct::SignedCertificateTimestamp::SCT_EMBEDDED, 1, 131 FillResultWithSCTsOfOrigin(ct::SignedCertificateTimestamp::SCT_EMBEDDED, 1,
132 std::vector<std::string>(), false, &result); 132 std::vector<std::string>(), false, &result);
133 EXPECT_TRUE(policy_enforcer_->DoesConformToCTEVPolicy( 133 EXPECT_TRUE(policy_enforcer_->DoesConformToCertPolicy(cert.get(), result))
134 cert.get(), nullptr, result, BoundNetLog()))
135 << " for: " << (end - start).InDays() << " and " << required_scts 134 << " for: " << (end - start).InDays() << " and " << required_scts
136 << " scts=" << result.verified_scts.size(); 135 << " scts=" << result.verified_scts.size();
137 } 136 }
138 137
139 protected: 138 protected:
140 scoped_ptr<CTPolicyEnforcer> policy_enforcer_; 139 scoped_ptr<CTPolicyEnforcer> policy_enforcer_;
141 scoped_refptr<X509Certificate> chain_; 140 scoped_refptr<X509Certificate> chain_;
142 std::string google_log_id_; 141 std::string google_log_id_;
143 std::string non_google_log_id_; 142 std::string non_google_log_id_;
144 }; 143 };
145 144
146 TEST_F(CTPolicyEnforcerTest, 145 TEST_F(CTPolicyEnforcerTest,
147 DoesNotConformToCTEVPolicyNotEnoughDiverseSCTsAllGoogle) { 146 DoesNotConformToCTEVPolicyNotEnoughDiverseSCTsAllGoogle) {
148 ct::CTVerifyResult result; 147 ct::CTVerifyResult result;
149 FillResultWithRepeatedLogID(google_log_id_, 2, true, &result); 148 FillResultWithRepeatedLogID(google_log_id_, 2, true, &result);
150 149
151 EXPECT_FALSE(policy_enforcer_->DoesConformToCTEVPolicy( 150 EXPECT_FALSE(policy_enforcer_->DoesConformToCertPolicy(chain_.get(), result));
152 chain_.get(), nullptr, result, BoundNetLog()));
153 } 151 }
154 152
155 TEST_F(CTPolicyEnforcerTest, 153 TEST_F(CTPolicyEnforcerTest,
156 DoesNotConformToCTEVPolicyNotEnoughDiverseSCTsAllNonGoogle) { 154 DoesNotConformToCTEVPolicyNotEnoughDiverseSCTsAllNonGoogle) {
157 ct::CTVerifyResult result; 155 ct::CTVerifyResult result;
158 FillResultWithRepeatedLogID(non_google_log_id_, 2, true, &result); 156 FillResultWithRepeatedLogID(non_google_log_id_, 2, true, &result);
159 157
160 EXPECT_FALSE(policy_enforcer_->DoesConformToCTEVPolicy( 158 EXPECT_FALSE(policy_enforcer_->DoesConformToCertPolicy(chain_.get(), result));
161 chain_.get(), nullptr, result, BoundNetLog()));
162 } 159 }
163 160
164 TEST_F(CTPolicyEnforcerTest, ConformsToCTEVPolicyIfSCTBeforeEnforcementDate) { 161 TEST_F(CTPolicyEnforcerTest, ConformsToCTEVPolicyIfSCTBeforeEnforcementDate) {
165 ct::CTVerifyResult result; 162 ct::CTVerifyResult result;
166 FillResultWithRepeatedLogID(non_google_log_id_, 2, false, &result); 163 FillResultWithRepeatedLogID(non_google_log_id_, 2, false, &result);
167 164
168 EXPECT_TRUE(policy_enforcer_->DoesConformToCTEVPolicy(chain_.get(), nullptr, 165 EXPECT_TRUE(policy_enforcer_->DoesConformToCertPolicy(chain_.get(), result));
169 result, BoundNetLog()));
170 } 166 }
171 167
172 TEST_F(CTPolicyEnforcerTest, ConformsToCTEVPolicyWithNonEmbeddedSCTs) { 168 TEST_F(CTPolicyEnforcerTest, ConformsToCTEVPolicyWithNonEmbeddedSCTs) {
173 ct::CTVerifyResult result; 169 ct::CTVerifyResult result;
174 FillResultWithSCTsOfOrigin( 170 FillResultWithSCTsOfOrigin(
175 ct::SignedCertificateTimestamp::SCT_FROM_TLS_EXTENSION, 2, &result); 171 ct::SignedCertificateTimestamp::SCT_FROM_TLS_EXTENSION, 2, &result);
176 172
177 EXPECT_TRUE(policy_enforcer_->DoesConformToCTEVPolicy(chain_.get(), nullptr, 173 EXPECT_TRUE(policy_enforcer_->DoesConformToCertPolicy(chain_.get(), result));
178 result, BoundNetLog()));
179 } 174 }
180 175
181 TEST_F(CTPolicyEnforcerTest, ConformsToCTEVPolicyWithEmbeddedSCTs) { 176 TEST_F(CTPolicyEnforcerTest, ConformsToCTEVPolicyWithEmbeddedSCTs) {
182 // This chain_ is valid for 10 years - over 121 months - so requires 5 SCTs. 177 // This chain_ is valid for 10 years - over 121 months - so requires 5 SCTs.
183 ct::CTVerifyResult result; 178 ct::CTVerifyResult result;
184 FillResultWithSCTsOfOrigin(ct::SignedCertificateTimestamp::SCT_EMBEDDED, 5, 179 FillResultWithSCTsOfOrigin(ct::SignedCertificateTimestamp::SCT_EMBEDDED, 5,
185 &result); 180 &result);
186 181
187 EXPECT_TRUE(policy_enforcer_->DoesConformToCTEVPolicy(chain_.get(), nullptr, 182 EXPECT_TRUE(policy_enforcer_->DoesConformToCertPolicy(chain_.get(), result));
188 result, BoundNetLog()));
189 } 183 }
190 184
191 TEST_F(CTPolicyEnforcerTest, DoesNotConformToCTEVPolicyNotEnoughSCTs) { 185 TEST_F(CTPolicyEnforcerTest, DoesNotConformToCTEVPolicyNotEnoughSCTs) {
192 scoped_refptr<ct::EVCertsWhitelist> non_including_whitelist( 186 scoped_refptr<ct::EVCertsWhitelist> non_including_whitelist(
193 new DummyEVCertsWhitelist(true, false)); 187 new DummyEVCertsWhitelist(true, false));
194 // This chain_ is valid for 10 years - over 121 months - so requires 5 SCTs. 188 // This chain_ is valid for 10 years - over 121 months - so requires 5 SCTs.
195 // However, as there are only two logs, two SCTs will be required - supply one 189 // However, as there are only two logs, two SCTs will be required - supply one
196 // to guarantee the test fails. 190 // to guarantee the test fails.
197 ct::CTVerifyResult result; 191 ct::CTVerifyResult result;
198 FillResultWithSCTsOfOrigin(ct::SignedCertificateTimestamp::SCT_EMBEDDED, 1, 192 FillResultWithSCTsOfOrigin(ct::SignedCertificateTimestamp::SCT_EMBEDDED, 1,
199 &result); 193 &result);
200 194
201 EXPECT_FALSE(policy_enforcer_->DoesConformToCTEVPolicy( 195 EXPECT_FALSE(policy_enforcer_->DoesConformToCertPolicy(chain_.get(), result));
202 chain_.get(), non_including_whitelist.get(), result, BoundNetLog())); 196 EXPECT_FALSE(policy_enforcer_->DoesConformToEVPolicy(
197 chain_.get(), CERT_STATUS_CT_COMPLIANCE_FAILED | CERT_STATUS_IS_EV,
198 non_including_whitelist.get(), BoundNetLog()));
203 199
204 // ... but should be OK if whitelisted. 200 // ... but should be OK if whitelisted.
205 scoped_refptr<ct::EVCertsWhitelist> whitelist( 201 scoped_refptr<ct::EVCertsWhitelist> whitelist(
206 new DummyEVCertsWhitelist(true, true)); 202 new DummyEVCertsWhitelist(true, true));
207 EXPECT_TRUE(policy_enforcer_->DoesConformToCTEVPolicy( 203 EXPECT_TRUE(policy_enforcer_->DoesConformToEVPolicy(
208 chain_.get(), whitelist.get(), result, BoundNetLog())); 204 chain_.get(), CERT_STATUS_CT_COMPLIANCE_FAILED | CERT_STATUS_IS_EV,
205 whitelist.get(), BoundNetLog()));
209 } 206 }
210 207
211 TEST_F(CTPolicyEnforcerTest, DoesNotConformToPolicyInvalidDates) { 208 TEST_F(CTPolicyEnforcerTest, DoesNotConformToPolicyInvalidDates) {
212 scoped_refptr<X509Certificate> no_valid_dates_cert(new X509Certificate( 209 scoped_refptr<X509Certificate> no_valid_dates_cert(new X509Certificate(
213 "subject", "issuer", base::Time(), base::Time::Now())); 210 "subject", "issuer", base::Time(), base::Time::Now()));
214 ct::CTVerifyResult result; 211 ct::CTVerifyResult result;
215 FillResultWithSCTsOfOrigin(ct::SignedCertificateTimestamp::SCT_EMBEDDED, 5, 212 FillResultWithSCTsOfOrigin(ct::SignedCertificateTimestamp::SCT_EMBEDDED, 5,
216 &result); 213 &result);
217 EXPECT_FALSE(policy_enforcer_->DoesConformToCTEVPolicy( 214 EXPECT_FALSE(policy_enforcer_->DoesConformToCertPolicy(
218 no_valid_dates_cert.get(), nullptr, result, BoundNetLog())); 215 no_valid_dates_cert.get(), result));
219 // ... but should be OK if whitelisted. 216 // ... but should be OK if whitelisted.
220 scoped_refptr<ct::EVCertsWhitelist> whitelist( 217 scoped_refptr<ct::EVCertsWhitelist> whitelist(
221 new DummyEVCertsWhitelist(true, true)); 218 new DummyEVCertsWhitelist(true, true));
222 EXPECT_TRUE(policy_enforcer_->DoesConformToCTEVPolicy( 219 EXPECT_TRUE(policy_enforcer_->DoesConformToEVPolicy(
223 chain_.get(), whitelist.get(), result, BoundNetLog())); 220 chain_.get(), CERT_STATUS_CT_COMPLIANCE_FAILED | CERT_STATUS_IS_EV,
221 whitelist.get(), BoundNetLog()));
224 } 222 }
225 223
226 TEST_F(CTPolicyEnforcerTest, 224 TEST_F(CTPolicyEnforcerTest,
227 ConformsToPolicyExactNumberOfSCTsForValidityPeriod) { 225 ConformsToPolicyExactNumberOfSCTsForValidityPeriod) {
228 // Test multiple validity periods 226 // Test multiple validity periods
229 const struct TestData { 227 const struct TestData {
230 base::Time validity_start; 228 base::Time validity_start;
231 base::Time validity_end; 229 base::Time validity_end;
232 size_t scts_required; 230 size_t scts_required;
233 } kTestData[] = {{// Cert valid for 14 months, needs 2 SCTs. 231 } kTestData[] = {
234 base::Time::FromUTCExploded({2015, 3, 0, 25, 11, 25, 0, 0}), 232 {// Cert valid for 14 months, needs 2 SCTs.
235 base::Time::FromUTCExploded({2016, 6, 0, 6, 11, 25, 0, 0}), 233 base::Time::FromUTCExploded({2015, 3, 0, 25, 11, 25, 0, 0}),
236 2}, 234 base::Time::FromUTCExploded({2016, 6, 0, 6, 11, 25, 0, 0}), 2},
237 {// Cert valid for exactly 15 months, needs 3 SCTs. 235 {// Cert valid for exactly 15 months, needs 3 SCTs.
238 base::Time::FromUTCExploded({2015, 3, 0, 25, 11, 25, 0, 0}), 236 base::Time::FromUTCExploded({2015, 3, 0, 25, 11, 25, 0, 0}),
239 base::Time::FromUTCExploded({2016, 6, 0, 25, 11, 25, 0, 0}), 237 base::Time::FromUTCExploded({2016, 6, 0, 25, 11, 25, 0, 0}), 3},
240 3}, 238 {// Cert valid for over 15 months, needs 3 SCTs.
241 {// Cert valid for over 15 months, needs 3 SCTs. 239 base::Time::FromUTCExploded({2015, 3, 0, 25, 11, 25, 0, 0}),
242 base::Time::FromUTCExploded({2015, 3, 0, 25, 11, 25, 0, 0}), 240 base::Time::FromUTCExploded({2016, 6, 0, 27, 11, 25, 0, 0}), 3},
243 base::Time::FromUTCExploded({2016, 6, 0, 27, 11, 25, 0, 0}), 241 {// Cert valid for exactly 27 months, needs 3 SCTs.
244 3}, 242 base::Time::FromUTCExploded({2015, 3, 0, 25, 11, 25, 0, 0}),
245 {// Cert valid for exactly 27 months, needs 3 SCTs. 243 base::Time::FromUTCExploded({2017, 6, 0, 25, 11, 25, 0, 0}), 3},
246 base::Time::FromUTCExploded({2015, 3, 0, 25, 11, 25, 0, 0}), 244 {// Cert valid for over 27 months, needs 4 SCTs.
247 base::Time::FromUTCExploded({2017, 6, 0, 25, 11, 25, 0, 0}), 245 base::Time::FromUTCExploded({2015, 3, 0, 25, 11, 25, 0, 0}),
248 3}, 246 base::Time::FromUTCExploded({2017, 6, 0, 28, 11, 25, 0, 0}), 4},
249 {// Cert valid for over 27 months, needs 4 SCTs. 247 {// Cert valid for exactly 39 months, needs 4 SCTs.
250 base::Time::FromUTCExploded({2015, 3, 0, 25, 11, 25, 0, 0}), 248 base::Time::FromUTCExploded({2015, 3, 0, 25, 11, 25, 0, 0}),
251 base::Time::FromUTCExploded({2017, 6, 0, 28, 11, 25, 0, 0}), 249 base::Time::FromUTCExploded({2018, 6, 0, 25, 11, 25, 0, 0}), 4},
252 4}, 250 {// Cert valid for over 39 months, needs 5 SCTs.
253 {// Cert valid for exactly 39 months, needs 4 SCTs. 251 base::Time::FromUTCExploded({2015, 3, 0, 25, 11, 25, 0, 0}),
254 base::Time::FromUTCExploded({2015, 3, 0, 25, 11, 25, 0, 0}), 252 base::Time::FromUTCExploded({2018, 6, 0, 27, 11, 25, 0, 0}), 5}};
255 base::Time::FromUTCExploded({2018, 6, 0, 25, 11, 25, 0, 0}),
256 4},
257 {// Cert valid for over 39 months, needs 5 SCTs.
258 base::Time::FromUTCExploded({2015, 3, 0, 25, 11, 25, 0, 0}),
259 base::Time::FromUTCExploded({2018, 6, 0, 27, 11, 25, 0, 0}),
260 5}};
261 253
262 for (size_t i = 0; i < arraysize(kTestData); ++i) { 254 for (size_t i = 0; i < arraysize(kTestData); ++i) {
263 SCOPED_TRACE(i); 255 SCOPED_TRACE(i);
264 CheckCertificateCompliesWithExactNumberOfEmbeddedSCTs( 256 CheckCertificateCompliesWithExactNumberOfEmbeddedSCTs(
265 kTestData[i].validity_start, kTestData[i].validity_end, 257 kTestData[i].validity_start, kTestData[i].validity_end,
266 kTestData[i].scts_required); 258 kTestData[i].scts_required);
267 } 259 }
268 } 260 }
269 261
270 TEST_F(CTPolicyEnforcerTest, ConformsToPolicyByEVWhitelistPresence) { 262 TEST_F(CTPolicyEnforcerTest, ConformsToPolicyByEVWhitelistPresence) {
271 scoped_refptr<ct::EVCertsWhitelist> whitelist( 263 scoped_refptr<ct::EVCertsWhitelist> whitelist(
272 new DummyEVCertsWhitelist(true, true)); 264 new DummyEVCertsWhitelist(true, true));
273 265
274 ct::CTVerifyResult result; 266 ct::CTVerifyResult result;
275 FillResultWithSCTsOfOrigin(ct::SignedCertificateTimestamp::SCT_EMBEDDED, 1, 267 FillResultWithSCTsOfOrigin(ct::SignedCertificateTimestamp::SCT_EMBEDDED, 1,
276 &result); 268 &result);
277 EXPECT_TRUE(policy_enforcer_->DoesConformToCTEVPolicy( 269 EXPECT_FALSE(policy_enforcer_->DoesConformToCertPolicy(chain_.get(), result));
278 chain_.get(), whitelist.get(), result, BoundNetLog())); 270 EXPECT_TRUE(policy_enforcer_->DoesConformToEVPolicy(
271 chain_.get(), CERT_STATUS_CT_COMPLIANCE_FAILED | CERT_STATUS_IS_EV,
272 whitelist.get(), BoundNetLog()));
279 } 273 }
280 274
281 TEST_F(CTPolicyEnforcerTest, IgnoresInvalidEVWhitelist) { 275 TEST_F(CTPolicyEnforcerTest, IgnoresInvalidEVWhitelist) {
282 scoped_refptr<ct::EVCertsWhitelist> whitelist( 276 scoped_refptr<ct::EVCertsWhitelist> whitelist(
283 new DummyEVCertsWhitelist(false, true)); 277 new DummyEVCertsWhitelist(false, true));
284 278
285 ct::CTVerifyResult result; 279 ct::CTVerifyResult result;
286 FillResultWithSCTsOfOrigin(ct::SignedCertificateTimestamp::SCT_EMBEDDED, 1, 280 FillResultWithSCTsOfOrigin(ct::SignedCertificateTimestamp::SCT_EMBEDDED, 1,
287 &result); 281 &result);
288 EXPECT_FALSE(policy_enforcer_->DoesConformToCTEVPolicy( 282 EXPECT_FALSE(policy_enforcer_->DoesConformToCertPolicy(chain_.get(), result));
289 chain_.get(), whitelist.get(), result, BoundNetLog())); 283 EXPECT_FALSE(policy_enforcer_->DoesConformToEVPolicy(
284 chain_.get(), CERT_STATUS_CT_COMPLIANCE_FAILED | CERT_STATUS_IS_EV,
285 whitelist.get(), BoundNetLog()));
290 } 286 }
291 287
292 TEST_F(CTPolicyEnforcerTest, IgnoresNullEVWhitelist) { 288 TEST_F(CTPolicyEnforcerTest, IgnoresNullEVWhitelist) {
293 ct::CTVerifyResult result; 289 ct::CTVerifyResult result;
294 FillResultWithSCTsOfOrigin(ct::SignedCertificateTimestamp::SCT_EMBEDDED, 1, 290 FillResultWithSCTsOfOrigin(ct::SignedCertificateTimestamp::SCT_EMBEDDED, 1,
295 &result); 291 &result);
296 EXPECT_FALSE(policy_enforcer_->DoesConformToCTEVPolicy( 292 EXPECT_FALSE(policy_enforcer_->DoesConformToCertPolicy(chain_.get(), result));
297 chain_.get(), nullptr, result, BoundNetLog())); 293 EXPECT_FALSE(policy_enforcer_->DoesConformToEVPolicy(
294 chain_.get(), CERT_STATUS_CT_COMPLIANCE_FAILED | CERT_STATUS_IS_EV,
295 nullptr, BoundNetLog()));
298 } 296 }
299 297
300 } // namespace 298 } // namespace
301 299
302 } // namespace net 300 } // namespace net
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