// Copyright 2015 The Chromium Authors // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #include "name_constraints.h" #include #include #include #include "common_cert_errors.h" #include "test_helpers.h" namespace bssl { namespace { ::testing::AssertionResult LoadTestData(const char *token, const std::string &basename, std::string *result) { std::string path = "testdata/name_constraints_unittest/" + basename; const PemBlockMapping mappings[] = { {token, result}, }; return ReadTestDataFromPemFile(path, mappings); } ::testing::AssertionResult LoadTestName(const std::string &basename, std::string *result) { return LoadTestData("NAME", basename, result); } ::testing::AssertionResult LoadTestNameConstraint(const std::string &basename, std::string *result) { return LoadTestData("NAME CONSTRAINTS", basename, result); } ::testing::AssertionResult LoadTestSubjectAltNameData( const std::string &basename, std::string *result) { return LoadTestData("SUBJECT ALTERNATIVE NAME", basename, result); } ::testing::AssertionResult LoadTestSubjectAltName( const std::string &basename, std::unique_ptr *result, std::string *result_der) { ::testing::AssertionResult load_result = LoadTestSubjectAltNameData(basename, result_der); if (!load_result) { return load_result; } CertErrors errors; *result = GeneralNames::Create(der::Input(*result_der), &errors); if (!*result) { return ::testing::AssertionFailure() << "Create failed"; } return ::testing::AssertionSuccess(); } ::testing::AssertionResult IsPermittedCert( const NameConstraints *name_constraints, der::Input subject_rdn_sequence, const GeneralNames *subject_alt_names) { CertErrors errors; name_constraints->IsPermittedCert(subject_rdn_sequence, subject_alt_names, &errors); if (!errors.ContainsAnyErrorWithSeverity(CertError::SEVERITY_HIGH)) { return ::testing::AssertionSuccess(); } if (!errors.ContainsError(cert_errors::kNotPermittedByNameConstraints)) { ADD_FAILURE() << "unexpected error " << errors.ToDebugString(); } return ::testing::AssertionFailure(); } std::array IPAddress(uint8_t b0, uint8_t b1, uint8_t b2, uint8_t b3) { return {b0, b1, b2, b3}; } std::array IPAddress(uint8_t b0, uint8_t b1, uint8_t b2, uint8_t b3, uint8_t b4, uint8_t b5, uint8_t b6, uint8_t b7, uint8_t b8, uint8_t b9, uint8_t b10, uint8_t b11, uint8_t b12, uint8_t b13, uint8_t b14, uint8_t b15) { return {b0, b1, b2, b3, b4, b5, b6, b7, b8, b9, b10, b11, b12, b13, b14, b15}; } } // namespace class ParseNameConstraints : public ::testing::TestWithParam<::testing::tuple> { public: bool is_critical() const { return ::testing::get<0>(GetParam()); } }; // Run the tests with the name constraints marked critical and non-critical. For // supported name types, the results should be the same for both. INSTANTIATE_TEST_SUITE_P(InstantiationName, ParseNameConstraints, ::testing::Values(true, false)); TEST_P(ParseNameConstraints, DNSNames) { std::string a; ASSERT_TRUE(LoadTestNameConstraint("dnsname.pem", &a)); CertErrors errors; std::unique_ptr name_constraints( NameConstraints::Create(der::Input(a), is_critical(), &errors)); ASSERT_TRUE(name_constraints); EXPECT_TRUE(name_constraints->IsPermittedDNSName("permitted.example.com")); EXPECT_TRUE(name_constraints->IsPermittedDNSName("permitted.example.com.")); EXPECT_TRUE(name_constraints->IsPermittedDNSName("a.permitted.example.com")); EXPECT_FALSE(name_constraints->IsPermittedDNSName("apermitted.example.com")); EXPECT_FALSE(name_constraints->IsPermittedDNSName("apermitted.example.com.")); EXPECT_TRUE( name_constraints->IsPermittedDNSName("alsopermitted.example.com")); EXPECT_FALSE( name_constraints->IsPermittedDNSName("excluded.permitted.example.com")); EXPECT_FALSE( name_constraints->IsPermittedDNSName("a.excluded.permitted.example.com")); EXPECT_FALSE(name_constraints->IsPermittedDNSName( "stillnotpermitted.excluded.permitted.example.com")); EXPECT_FALSE(name_constraints->IsPermittedDNSName( "a.stillnotpermitted.excluded.permitted.example.com")); EXPECT_FALSE( name_constraints->IsPermittedDNSName("extraneousexclusion.example.com")); EXPECT_FALSE(name_constraints->IsPermittedDNSName( "a.extraneousexclusion.example.com")); EXPECT_FALSE(name_constraints->IsPermittedDNSName("other.example.com")); EXPECT_FALSE(name_constraints->IsPermittedDNSName("other.com")); // Wildcard names: // Pattern could match excluded.permitted.example.com, thus should not be // allowed. EXPECT_FALSE(name_constraints->IsPermittedDNSName("*.permitted.example.com")); // Entirely within excluded name, obviously not allowed. EXPECT_FALSE( name_constraints->IsPermittedDNSName("*.excluded.permitted.example.com")); // Within permitted.example.com and cannot match any exclusion, thus these are // allowed. EXPECT_TRUE( name_constraints->IsPermittedDNSName("*.foo.permitted.example.com")); EXPECT_TRUE( name_constraints->IsPermittedDNSName("*.alsopermitted.example.com")); // Matches permitted.example2.com, but also matches other .example2.com names // which are not in either permitted or excluded, so not allowed. EXPECT_FALSE(name_constraints->IsPermittedDNSName("*.example2.com")); // Partial wildcards are not supported, so these name are permitted even if // it seems like they shouldn't be. It's fine, since certificate verification // won't treat them as wildcard names either. EXPECT_TRUE( name_constraints->IsPermittedDNSName("*xcluded.permitted.example.com")); EXPECT_TRUE( name_constraints->IsPermittedDNSName("exclude*.permitted.example.com")); EXPECT_TRUE( name_constraints->IsPermittedDNSName("excl*ded.permitted.example.com")); // Garbage wildcard data. EXPECT_FALSE(name_constraints->IsPermittedDNSName("*.")); EXPECT_FALSE(name_constraints->IsPermittedDNSName("*.*")); EXPECT_FALSE(name_constraints->IsPermittedDNSName(".*")); EXPECT_FALSE(name_constraints->IsPermittedDNSName("*")); // Matches SAN with trailing dot. EXPECT_TRUE(name_constraints->IsPermittedDNSName("permitted.example3.com")); EXPECT_TRUE(name_constraints->IsPermittedDNSName("permitted.example3.com.")); EXPECT_TRUE(name_constraints->IsPermittedDNSName("a.permitted.example3.com")); EXPECT_TRUE( name_constraints->IsPermittedDNSName("a.permitted.example3.com.")); EXPECT_EQ(GENERAL_NAME_DNS_NAME, name_constraints->constrained_name_types()); std::string san_der; std::unique_ptr san; ASSERT_TRUE(LoadTestSubjectAltName("san-permitted.pem", &san, &san_der)); EXPECT_TRUE(IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-excluded-dnsname.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-excluded-directoryname.pem", &san, &san_der)); EXPECT_TRUE(IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-excluded-ipaddress.pem", &san, &san_der)); EXPECT_TRUE(IsPermittedCert(name_constraints.get(), der::Input(), san.get())); } TEST_P(ParseNameConstraints, DNSNamesWithMultipleLevelsBetweenExcludedAndPermitted) { std::string a; ASSERT_TRUE(LoadTestNameConstraint("dnsname2.pem", &a)); CertErrors errors; std::unique_ptr name_constraints( NameConstraints::Create(der::Input(a), is_critical(), &errors)); ASSERT_TRUE(name_constraints); // Matches permitted exactly. EXPECT_TRUE(name_constraints->IsPermittedDNSName("com")); // Contained within permitted and doesn't match excluded (foo.bar.com). EXPECT_TRUE(name_constraints->IsPermittedDNSName("bar.com")); EXPECT_TRUE(name_constraints->IsPermittedDNSName("baz.bar.com")); // Matches excluded exactly. EXPECT_FALSE(name_constraints->IsPermittedDNSName("foo.bar.com")); // Contained within excluded. EXPECT_FALSE(name_constraints->IsPermittedDNSName("baz.foo.bar.com")); // Cannot match anything within excluded. EXPECT_TRUE(name_constraints->IsPermittedDNSName("*.baz.bar.com")); // Wildcard hostnames only match a single label, so cannot match excluded // which has two labels before .com. EXPECT_TRUE(name_constraints->IsPermittedDNSName("*.com")); // Partial match of foo.bar.com. EXPECT_FALSE(name_constraints->IsPermittedDNSName("*.bar.com")); // All expansions of wildcard are within excluded. EXPECT_FALSE(name_constraints->IsPermittedDNSName("*.foo.bar.com")); } TEST_P(ParseNameConstraints, DNSNamesPermittedWithLeadingDot) { std::string a; ASSERT_TRUE( LoadTestNameConstraint("dnsname-permitted_with_leading_dot.pem", &a)); CertErrors errors; std::unique_ptr name_constraints( NameConstraints::Create(der::Input(a), is_critical(), &errors)); ASSERT_TRUE(name_constraints); // A permitted dNSName constraint of ".bar.com" should only match subdomains // of .bar.com, but not bar.com itself. EXPECT_FALSE(name_constraints->IsPermittedDNSName("com")); EXPECT_FALSE(name_constraints->IsPermittedDNSName("bar.com")); EXPECT_FALSE(name_constraints->IsPermittedDNSName("foobar.com")); EXPECT_TRUE(name_constraints->IsPermittedDNSName("foo.bar.com")); EXPECT_TRUE(name_constraints->IsPermittedDNSName("*.bar.com")); } TEST_P(ParseNameConstraints, DNSNamesExcludedWithLeadingDot) { std::string a; ASSERT_TRUE( LoadTestNameConstraint("dnsname-excluded_with_leading_dot.pem", &a)); CertErrors errors; std::unique_ptr name_constraints( NameConstraints::Create(der::Input(a), is_critical(), &errors)); ASSERT_TRUE(name_constraints); // An excluded dNSName constraint of ".bar.com" should only match subdomains // of .bar.com, but not bar.com itself. EXPECT_TRUE(name_constraints->IsPermittedDNSName("com")); EXPECT_TRUE(name_constraints->IsPermittedDNSName("bar.com")); EXPECT_TRUE(name_constraints->IsPermittedDNSName("foobar.com")); EXPECT_FALSE(name_constraints->IsPermittedDNSName("foo.bar.com")); EXPECT_FALSE(name_constraints->IsPermittedDNSName("*.bar.com")); } TEST_P(ParseNameConstraints, DNSNamesPermittedTwoDot) { std::string a; ASSERT_TRUE(LoadTestNameConstraint("dnsname-permitted_two_dot.pem", &a)); CertErrors errors; std::unique_ptr name_constraints( NameConstraints::Create(der::Input(a), is_critical(), &errors)); ASSERT_TRUE(name_constraints); // A dNSName constraint of ".." isn't meaningful. Shouldn't match anything. EXPECT_FALSE(name_constraints->IsPermittedDNSName("com")); EXPECT_FALSE(name_constraints->IsPermittedDNSName("com.")); EXPECT_FALSE(name_constraints->IsPermittedDNSName("foo.com")); EXPECT_FALSE(name_constraints->IsPermittedDNSName("*.com")); } TEST_P(ParseNameConstraints, DNSNamesExcludeOnly) { std::string a; ASSERT_TRUE(LoadTestNameConstraint("dnsname-excluded.pem", &a)); CertErrors errors; std::unique_ptr name_constraints( NameConstraints::Create(der::Input(a), is_critical(), &errors)); ASSERT_TRUE(name_constraints); // Only "excluded.permitted.example.com" is excluded, and since permitted is // empty, any dNSName outside that is allowed. EXPECT_TRUE(name_constraints->IsPermittedDNSName("")); EXPECT_TRUE(name_constraints->IsPermittedDNSName("foo.com")); EXPECT_TRUE(name_constraints->IsPermittedDNSName("permitted.example.com")); EXPECT_FALSE( name_constraints->IsPermittedDNSName("excluded.permitted.example.com")); EXPECT_FALSE( name_constraints->IsPermittedDNSName("a.excluded.permitted.example.com")); } TEST_P(ParseNameConstraints, DNSNamesExcludeAll) { std::string a; ASSERT_TRUE(LoadTestNameConstraint("dnsname-excludeall.pem", &a)); CertErrors errors; std::unique_ptr name_constraints( NameConstraints::Create(der::Input(a), is_critical(), &errors)); ASSERT_TRUE(name_constraints); // "permitted.example.com" is in the permitted section, but since "" is // excluded, nothing is permitted. EXPECT_FALSE(name_constraints->IsPermittedDNSName("")); EXPECT_FALSE(name_constraints->IsPermittedDNSName("foo.com")); EXPECT_FALSE(name_constraints->IsPermittedDNSName("permitted.example.com")); EXPECT_FALSE( name_constraints->IsPermittedDNSName("foo.permitted.example.com")); } TEST_P(ParseNameConstraints, DNSNamesExcludeDot) { std::string a; ASSERT_TRUE(LoadTestNameConstraint("dnsname-exclude_dot.pem", &a)); CertErrors errors; std::unique_ptr name_constraints( NameConstraints::Create(der::Input(a), is_critical(), &errors)); ASSERT_TRUE(name_constraints); // "." is excluded, which should match nothing. EXPECT_FALSE(name_constraints->IsPermittedDNSName("foo.com")); EXPECT_TRUE(name_constraints->IsPermittedDNSName("permitted.example.com")); EXPECT_TRUE( name_constraints->IsPermittedDNSName("foo.permitted.example.com")); } TEST_P(ParseNameConstraints, DNSNamesFailOnInvalidIA5String) { std::string a; ASSERT_TRUE(LoadTestNameConstraint("dnsname.pem", &a)); size_t replace_location = a.find("permitted.example2.com"); ASSERT_NE(std::string::npos, replace_location); a.replace(replace_location, 1, 1, -1); CertErrors errors; EXPECT_FALSE(NameConstraints::Create(der::Input(a), is_critical(), &errors)); } TEST_P(ParseNameConstraints, DirectoryNames) { std::string constraints_der; ASSERT_TRUE(LoadTestNameConstraint("directoryname.pem", &constraints_der)); std::string name_us; ASSERT_TRUE(LoadTestName("name-us.pem", &name_us)); std::string name_us_ca; ASSERT_TRUE(LoadTestName("name-us-california.pem", &name_us_ca)); std::string name_us_ca_mountain_view; ASSERT_TRUE(LoadTestName("name-us-california-mountain_view.pem", &name_us_ca_mountain_view)); std::string name_us_az; ASSERT_TRUE(LoadTestName("name-us-arizona.pem", &name_us_az)); std::string name_jp; ASSERT_TRUE(LoadTestName("name-jp.pem", &name_jp)); std::string name_jp_tokyo; ASSERT_TRUE(LoadTestName("name-jp-tokyo.pem", &name_jp_tokyo)); std::string name_de; ASSERT_TRUE(LoadTestName("name-de.pem", &name_de)); std::string name_ca; ASSERT_TRUE(LoadTestName("name-ca.pem", &name_ca)); CertErrors errors; std::unique_ptr name_constraints(NameConstraints::Create( der::Input(constraints_der), is_critical(), &errors)); ASSERT_TRUE(name_constraints); // Not in any permitted subtree. EXPECT_FALSE(name_constraints->IsPermittedDirectoryName( SequenceValueFromString(name_ca))); // Within the permitted C=US subtree. EXPECT_TRUE(name_constraints->IsPermittedDirectoryName( SequenceValueFromString(name_us))); // Within the permitted C=US subtree. EXPECT_TRUE(name_constraints->IsPermittedDirectoryName( SequenceValueFromString(name_us_az))); // Within the permitted C=US subtree, however the excluded C=US,ST=California // subtree takes priority. EXPECT_FALSE(name_constraints->IsPermittedDirectoryName( SequenceValueFromString(name_us_ca))); // Within the permitted C=US subtree as well as the permitted // C=US,ST=California,L=Mountain View subtree, however the excluded // C=US,ST=California subtree still takes priority. EXPECT_FALSE(name_constraints->IsPermittedDirectoryName( SequenceValueFromString(name_us_ca_mountain_view))); // Not in any permitted subtree, and also inside the extraneous excluded C=DE // subtree. EXPECT_FALSE(name_constraints->IsPermittedDirectoryName( SequenceValueFromString(name_de))); // Not in any permitted subtree. EXPECT_FALSE(name_constraints->IsPermittedDirectoryName( SequenceValueFromString(name_jp))); // Within the permitted C=JP,ST=Tokyo subtree. EXPECT_TRUE(name_constraints->IsPermittedDirectoryName( SequenceValueFromString(name_jp_tokyo))); EXPECT_EQ(GENERAL_NAME_DIRECTORY_NAME, name_constraints->constrained_name_types()); // Within the permitted C=US subtree. EXPECT_TRUE(IsPermittedCert(name_constraints.get(), SequenceValueFromString(name_us), nullptr /* subject_alt_names */)); // Within the permitted C=US subtree, however the excluded C=US,ST=California // subtree takes priority. EXPECT_FALSE(IsPermittedCert(name_constraints.get(), SequenceValueFromString(name_us_ca), nullptr /* subject_alt_names */)); std::string san_der; std::unique_ptr san; ASSERT_TRUE(LoadTestSubjectAltName("san-permitted.pem", &san, &san_der)); EXPECT_TRUE(IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-excluded-dnsname.pem", &san, &san_der)); EXPECT_TRUE(IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-excluded-directoryname.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-excluded-ipaddress.pem", &san, &san_der)); EXPECT_TRUE(IsPermittedCert(name_constraints.get(), der::Input(), san.get())); } TEST_P(ParseNameConstraints, DirectoryNamesExcludeOnly) { std::string constraints_der; ASSERT_TRUE( LoadTestNameConstraint("directoryname-excluded.pem", &constraints_der)); CertErrors errors; std::unique_ptr name_constraints(NameConstraints::Create( der::Input(constraints_der), is_critical(), &errors)); ASSERT_TRUE(name_constraints); std::string name_empty; ASSERT_TRUE(LoadTestName("name-empty.pem", &name_empty)); std::string name_us; ASSERT_TRUE(LoadTestName("name-us.pem", &name_us)); std::string name_us_ca; ASSERT_TRUE(LoadTestName("name-us-california.pem", &name_us_ca)); std::string name_us_ca_mountain_view; ASSERT_TRUE(LoadTestName("name-us-california-mountain_view.pem", &name_us_ca_mountain_view)); // Only "C=US,ST=California" is excluded, and since permitted is empty, // any directoryName outside that is allowed. EXPECT_TRUE(name_constraints->IsPermittedDirectoryName( SequenceValueFromString(name_empty))); EXPECT_TRUE(name_constraints->IsPermittedDirectoryName( SequenceValueFromString(name_us))); EXPECT_FALSE(name_constraints->IsPermittedDirectoryName( SequenceValueFromString(name_us_ca))); EXPECT_FALSE(name_constraints->IsPermittedDirectoryName( SequenceValueFromString(name_us_ca_mountain_view))); } TEST_P(ParseNameConstraints, DirectoryNamesExcludeAll) { std::string constraints_der; ASSERT_TRUE( LoadTestNameConstraint("directoryname-excludeall.pem", &constraints_der)); CertErrors errors; std::unique_ptr name_constraints(NameConstraints::Create( der::Input(constraints_der), is_critical(), &errors)); ASSERT_TRUE(name_constraints); std::string name_empty; ASSERT_TRUE(LoadTestName("name-empty.pem", &name_empty)); std::string name_us; ASSERT_TRUE(LoadTestName("name-us.pem", &name_us)); std::string name_us_ca; ASSERT_TRUE(LoadTestName("name-us-california.pem", &name_us_ca)); std::string name_us_ca_mountain_view; ASSERT_TRUE(LoadTestName("name-us-california-mountain_view.pem", &name_us_ca_mountain_view)); std::string name_jp; ASSERT_TRUE(LoadTestName("name-jp.pem", &name_jp)); // "C=US" is in the permitted section, but since an empty // directoryName is excluded, nothing is permitted. EXPECT_FALSE(name_constraints->IsPermittedDirectoryName( SequenceValueFromString(name_empty))); EXPECT_FALSE(name_constraints->IsPermittedDirectoryName( SequenceValueFromString(name_us))); EXPECT_FALSE(name_constraints->IsPermittedDirectoryName( SequenceValueFromString(name_us_ca))); EXPECT_FALSE(name_constraints->IsPermittedDirectoryName( SequenceValueFromString(name_jp))); } TEST_P(ParseNameConstraints, IPAddresses) { std::string a; ASSERT_TRUE(LoadTestNameConstraint("ipaddress.pem", &a)); CertErrors errors; std::unique_ptr name_constraints( NameConstraints::Create(der::Input(a), is_critical(), &errors)); ASSERT_TRUE(name_constraints); // IPv4 tests: // Not in any permitted range. EXPECT_FALSE( name_constraints->IsPermittedIP(der::Input(IPAddress(192, 169, 0, 1)))); // Within the permitted 192.168.0.0/255.255.0.0 range. EXPECT_TRUE( name_constraints->IsPermittedIP(der::Input(IPAddress(192, 168, 0, 1)))); // Within the permitted 192.168.0.0/255.255.0.0 range, however the // excluded 192.168.5.0/255.255.255.0 takes priority. EXPECT_FALSE( name_constraints->IsPermittedIP(der::Input(IPAddress(192, 168, 5, 1)))); // Within the permitted 192.168.0.0/255.255.0.0 range as well as the // permitted 192.168.5.32/255.255.255.224 range, however the excluded // 192.168.5.0/255.255.255.0 still takes priority. EXPECT_FALSE( name_constraints->IsPermittedIP(der::Input(IPAddress(192, 168, 5, 33)))); // Not in any permitted range. (Just outside the // 192.167.5.32/255.255.255.224 range.) EXPECT_FALSE( name_constraints->IsPermittedIP(der::Input(IPAddress(192, 167, 5, 31)))); // Within the permitted 192.167.5.32/255.255.255.224 range. EXPECT_TRUE( name_constraints->IsPermittedIP(der::Input(IPAddress(192, 167, 5, 32)))); // Within the permitted 192.167.5.32/255.255.255.224 range. EXPECT_TRUE( name_constraints->IsPermittedIP(der::Input(IPAddress(192, 167, 5, 63)))); // Not in any permitted range. (Just outside the // 192.167.5.32/255.255.255.224 range.) EXPECT_FALSE( name_constraints->IsPermittedIP(der::Input(IPAddress(192, 167, 5, 64)))); // Not in any permitted range, and also inside the extraneous excluded // 192.166.5.32/255.255.255.224 range. EXPECT_FALSE( name_constraints->IsPermittedIP(der::Input(IPAddress(192, 166, 5, 32)))); // IPv6 tests: // Not in any permitted range. EXPECT_FALSE(name_constraints->IsPermittedIP(der::Input( IPAddress(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 0, 0, 0, 1)))); // Within the permitted // 102:304:506:708:90a:b0c::/ffff:ffff:ffff:ffff:ffff:ffff:: range. EXPECT_TRUE(name_constraints->IsPermittedIP(der::Input( IPAddress(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 0, 0, 0, 1)))); // Within the permitted // 102:304:506:708:90a:b0c::/ffff:ffff:ffff:ffff:ffff:ffff:: range, however // the excluded // 102:304:506:708:90a:b0c:500:0/ffff:ffff:ffff:ffff:ffff:ffff:ff00:0 takes // priority. EXPECT_FALSE(name_constraints->IsPermittedIP(der::Input( IPAddress(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 5, 0, 0, 1)))); // Within the permitted // 102:304:506:708:90a:b0c::/ffff:ffff:ffff:ffff:ffff:ffff:: range as well // as the permitted // 102:304:506:708:90a:b0c:520:0/ffff:ffff:ffff:ffff:ffff:ffff:ff60:0, // however the excluded // 102:304:506:708:90a:b0c:500:0/ffff:ffff:ffff:ffff:ffff:ffff:ff00:0 takes // priority. EXPECT_FALSE(name_constraints->IsPermittedIP(der::Input( IPAddress(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 5, 33, 0, 1)))); // Not in any permitted range. (Just outside the // 102:304:506:708:90a:b0b:520:0/ffff:ffff:ffff:ffff:ffff:ffff:ff60:0 // range.) EXPECT_FALSE(name_constraints->IsPermittedIP(der::Input( IPAddress(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 11, 5, 31, 255, 255)))); // Within the permitted // 102:304:506:708:90a:b0b:520:0/ffff:ffff:ffff:ffff:ffff:ffff:ff60:0 range. EXPECT_TRUE(name_constraints->IsPermittedIP(der::Input( IPAddress(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 11, 5, 32, 0, 0)))); // Within the permitted // 102:304:506:708:90a:b0b:520:0/ffff:ffff:ffff:ffff:ffff:ffff:ff60:0 range. EXPECT_TRUE(name_constraints->IsPermittedIP(der::Input( IPAddress(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 11, 5, 63, 255, 255)))); // Not in any permitted range. (Just outside the // 102:304:506:708:90a:b0b:520:0/ffff:ffff:ffff:ffff:ffff:ffff:ff60:0 // range.) EXPECT_FALSE(name_constraints->IsPermittedIP(der::Input( IPAddress(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 11, 5, 64, 0, 0)))); // Not in any permitted range, and also inside the extraneous excluded // 102:304:506:708:90a:b0a:520:0/ffff:ffff:ffff:ffff:ffff:ffff:ff60:0 range. EXPECT_FALSE(name_constraints->IsPermittedIP(der::Input( IPAddress(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 10, 5, 33, 0, 1)))); EXPECT_EQ(GENERAL_NAME_IP_ADDRESS, name_constraints->constrained_name_types()); std::string san_der; std::unique_ptr san; ASSERT_TRUE(LoadTestSubjectAltName("san-permitted.pem", &san, &san_der)); EXPECT_TRUE(IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-excluded-dnsname.pem", &san, &san_der)); EXPECT_TRUE(IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-excluded-directoryname.pem", &san, &san_der)); EXPECT_TRUE(IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-excluded-ipaddress.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); } TEST_P(ParseNameConstraints, IPAddressesExcludeOnly) { std::string a; ASSERT_TRUE(LoadTestNameConstraint("ipaddress-excluded.pem", &a)); CertErrors errors; std::unique_ptr name_constraints( NameConstraints::Create(der::Input(a), is_critical(), &errors)); ASSERT_TRUE(name_constraints); // Only 192.168.5.0/255.255.255.0 is excluded, and since permitted is empty, // any iPAddress outside that is allowed. EXPECT_TRUE( name_constraints->IsPermittedIP(der::Input(IPAddress(192, 168, 0, 1)))); EXPECT_FALSE( name_constraints->IsPermittedIP(der::Input(IPAddress(192, 168, 5, 1)))); EXPECT_TRUE(name_constraints->IsPermittedIP(der::Input( IPAddress(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 0, 0, 0, 1)))); } TEST_P(ParseNameConstraints, IPAddressesExcludeAll) { std::string a; ASSERT_TRUE(LoadTestNameConstraint("ipaddress-excludeall.pem", &a)); CertErrors errors; std::unique_ptr name_constraints( NameConstraints::Create(der::Input(a), is_critical(), &errors)); ASSERT_TRUE(name_constraints); // 192.168.0.0/255.255.0.0 and // 102:304:506:708:90a:b0c::/ffff:ffff:ffff:ffff:ffff:ffff:: are permitted, // but since 0.0.0.0/0 and ::/0 are excluded nothing is permitted. EXPECT_FALSE( name_constraints->IsPermittedIP(der::Input(IPAddress(192, 168, 0, 1)))); EXPECT_FALSE( name_constraints->IsPermittedIP(der::Input(IPAddress(1, 1, 1, 1)))); EXPECT_FALSE(name_constraints->IsPermittedIP( der::Input(IPAddress(2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1)))); EXPECT_FALSE(name_constraints->IsPermittedIP(der::Input( IPAddress(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 0, 0, 0, 1)))); } TEST_P(ParseNameConstraints, IPAddressesNetmaskPermitSingleHost) { std::string a; ASSERT_TRUE(LoadTestNameConstraint("ipaddress-permit_singlehost.pem", &a)); CertErrors errors; std::unique_ptr name_constraints( NameConstraints::Create(der::Input(a), is_critical(), &errors)); ASSERT_TRUE(name_constraints); EXPECT_FALSE( name_constraints->IsPermittedIP(der::Input(IPAddress(0, 0, 0, 0)))); EXPECT_FALSE( name_constraints->IsPermittedIP(der::Input(IPAddress(192, 168, 1, 1)))); EXPECT_FALSE( name_constraints->IsPermittedIP(der::Input(IPAddress(192, 168, 1, 2)))); EXPECT_TRUE( name_constraints->IsPermittedIP(der::Input(IPAddress(192, 168, 1, 3)))); EXPECT_FALSE( name_constraints->IsPermittedIP(der::Input(IPAddress(192, 168, 1, 4)))); EXPECT_FALSE(name_constraints->IsPermittedIP( der::Input(IPAddress(255, 255, 255, 255)))); } TEST_P(ParseNameConstraints, IPAddressesNetmaskPermitPrefixLen31) { std::string a; ASSERT_TRUE(LoadTestNameConstraint("ipaddress-permit_prefix31.pem", &a)); CertErrors errors; std::unique_ptr name_constraints( NameConstraints::Create(der::Input(a), is_critical(), &errors)); ASSERT_TRUE(name_constraints); EXPECT_FALSE( name_constraints->IsPermittedIP(der::Input(IPAddress(0, 0, 0, 0)))); EXPECT_FALSE( name_constraints->IsPermittedIP(der::Input(IPAddress(192, 168, 1, 1)))); EXPECT_TRUE( name_constraints->IsPermittedIP(der::Input(IPAddress(192, 168, 1, 2)))); EXPECT_TRUE( name_constraints->IsPermittedIP(der::Input(IPAddress(192, 168, 1, 3)))); EXPECT_FALSE( name_constraints->IsPermittedIP(der::Input(IPAddress(192, 168, 1, 4)))); EXPECT_FALSE( name_constraints->IsPermittedIP(der::Input(IPAddress(192, 168, 1, 5)))); EXPECT_FALSE(name_constraints->IsPermittedIP( der::Input(IPAddress(255, 255, 255, 255)))); } TEST_P(ParseNameConstraints, IPAddressesNetmaskPermitPrefixLen1) { std::string a; ASSERT_TRUE(LoadTestNameConstraint("ipaddress-permit_prefix1.pem", &a)); CertErrors errors; std::unique_ptr name_constraints( NameConstraints::Create(der::Input(a), is_critical(), &errors)); ASSERT_TRUE(name_constraints); EXPECT_FALSE( name_constraints->IsPermittedIP(der::Input(IPAddress(0, 0, 0, 0)))); EXPECT_FALSE(name_constraints->IsPermittedIP( der::Input(IPAddress(0x7F, 0xFF, 0xFF, 0xFF)))); EXPECT_TRUE( name_constraints->IsPermittedIP(der::Input(IPAddress(0x80, 0, 0, 0)))); EXPECT_TRUE(name_constraints->IsPermittedIP( der::Input(IPAddress(0xFF, 0xFF, 0xFF, 0xFF)))); } TEST_P(ParseNameConstraints, IPAddressesNetmaskPermitAll) { std::string a; ASSERT_TRUE(LoadTestNameConstraint("ipaddress-permit_all.pem", &a)); CertErrors errors; std::unique_ptr name_constraints( NameConstraints::Create(der::Input(a), is_critical(), &errors)); ASSERT_TRUE(name_constraints); EXPECT_TRUE( name_constraints->IsPermittedIP(der::Input(IPAddress(0, 0, 0, 0)))); EXPECT_TRUE( name_constraints->IsPermittedIP(der::Input(IPAddress(192, 168, 1, 1)))); EXPECT_TRUE(name_constraints->IsPermittedIP( der::Input(IPAddress(255, 255, 255, 255)))); } TEST_P(ParseNameConstraints, IPAddressesFailOnInvalidAddr) { std::string a; ASSERT_TRUE(LoadTestNameConstraint("ipaddress-invalid_addr.pem", &a)); CertErrors errors; EXPECT_FALSE(NameConstraints::Create(der::Input(a), is_critical(), &errors)); } TEST_P(ParseNameConstraints, IPAddressesFailOnInvalidMaskNotContiguous) { std::string a; ASSERT_TRUE(LoadTestNameConstraint( "ipaddress-invalid_mask_not_contiguous_1.pem", &a)); CertErrors errors; EXPECT_FALSE(NameConstraints::Create(der::Input(a), is_critical(), &errors)); ASSERT_TRUE(LoadTestNameConstraint( "ipaddress-invalid_mask_not_contiguous_2.pem", &a)); EXPECT_FALSE(NameConstraints::Create(der::Input(a), is_critical(), &errors)); ASSERT_TRUE(LoadTestNameConstraint( "ipaddress-invalid_mask_not_contiguous_3.pem", &a)); EXPECT_FALSE(NameConstraints::Create(der::Input(a), is_critical(), &errors)); ASSERT_TRUE(LoadTestNameConstraint( "ipaddress-invalid_mask_not_contiguous_4.pem", &a)); EXPECT_FALSE(NameConstraints::Create(der::Input(a), is_critical(), &errors)); } // Test that v4/v6 mapping is not applied when evaluating name constraints. TEST_P(ParseNameConstraints, IPAddressesMapped) { std::string a; ASSERT_TRUE(LoadTestNameConstraint("ipaddress-mapped_addrs.pem", &a)); CertErrors errors; std::unique_ptr name_constraints( NameConstraints::Create(der::Input(a), is_critical(), &errors)); ASSERT_TRUE(name_constraints); // 192.168.1.0/24 is a permitted subtree. EXPECT_TRUE( name_constraints->IsPermittedIP(der::Input(IPAddress(192, 168, 1, 0)))); // This does not cover ::ffff:192.168.1.0. EXPECT_FALSE(name_constraints->IsPermittedIP(der::Input( IPAddress(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 192, 168, 1, 0)))); // 192.168.1.1 is excluded. EXPECT_FALSE( name_constraints->IsPermittedIP(der::Input(IPAddress(192, 168, 1, 1)))); // ::ffff:192.168.1.2 is excluded, but that does not exclude 192.168.1.2. EXPECT_TRUE( name_constraints->IsPermittedIP(der::Input(IPAddress(192, 168, 1, 2)))); // ::ffff:192.168.2.0/120 is a permitted subtree. EXPECT_TRUE(name_constraints->IsPermittedIP(der::Input( IPAddress(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 192, 168, 2, 0)))); // This does not cover 192.168.2.0. EXPECT_FALSE( name_constraints->IsPermittedIP(der::Input(IPAddress(192, 168, 2, 0)))); // ::ffff:192.168.2.1 is excluded. EXPECT_FALSE(name_constraints->IsPermittedIP(der::Input( IPAddress(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 192, 168, 2, 1)))); // 192.168.2.2 is excluded, but that does not exclude ::ffff:192.168.2.2. EXPECT_TRUE(name_constraints->IsPermittedIP(der::Input( IPAddress(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 192, 168, 2, 2)))); } TEST_P(ParseNameConstraints, OtherNamesInPermitted) { std::string constraints_der; ASSERT_TRUE( LoadTestNameConstraint("othername-permitted.pem", &constraints_der)); CertErrors errors; std::unique_ptr name_constraints(NameConstraints::Create( der::Input(constraints_der), is_critical(), &errors)); ASSERT_TRUE(name_constraints); if (is_critical()) { EXPECT_EQ(GENERAL_NAME_OTHER_NAME, name_constraints->constrained_name_types()); } else { EXPECT_EQ(0, name_constraints->constrained_name_types()); } std::string san_der; std::unique_ptr san; ASSERT_TRUE(LoadTestSubjectAltName("san-othername.pem", &san, &san_der)); EXPECT_EQ(!is_critical(), IsPermittedCert(name_constraints.get(), der::Input(), san.get())); } TEST_P(ParseNameConstraints, OtherNamesInExcluded) { std::string constraints_der; ASSERT_TRUE( LoadTestNameConstraint("othername-excluded.pem", &constraints_der)); CertErrors errors; std::unique_ptr name_constraints(NameConstraints::Create( der::Input(constraints_der), is_critical(), &errors)); ASSERT_TRUE(name_constraints); if (is_critical()) { EXPECT_EQ(GENERAL_NAME_OTHER_NAME, name_constraints->constrained_name_types()); } else { EXPECT_EQ(0, name_constraints->constrained_name_types()); } std::string san_der; std::unique_ptr san; ASSERT_TRUE(LoadTestSubjectAltName("san-othername.pem", &san, &san_der)); EXPECT_EQ(!is_critical(), IsPermittedCert(name_constraints.get(), der::Input(), san.get())); } TEST_P(ParseNameConstraints, Rfc822NamesInPermitted) { std::string constraints_der; ASSERT_TRUE( LoadTestNameConstraint("rfc822name-permitted.pem", &constraints_der)); CertErrors errors; std::unique_ptr name_constraints(NameConstraints::Create( der::Input(constraints_der), is_critical(), &errors)); ASSERT_TRUE(name_constraints); EXPECT_EQ(GENERAL_NAME_RFC822_NAME, name_constraints->constrained_name_types()); std::string san_der; std::unique_ptr san; ASSERT_TRUE(LoadTestSubjectAltName("san-rfc822name.pem", &san, &san_der)); EXPECT_TRUE(IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-rfc822name-domaincase.pem", &san, &san_der)); EXPECT_TRUE(IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE(LoadTestSubjectAltName("san-rfc822name-localpartcase.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-rfc822name-subdomain.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-rfc822name-no-at.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-rfc822name-two-ats.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-rfc822name-quoted.pem", &san, &san_der)); // `"foo"@example.com` and `foo@example.com` are the same address, but we // don't support quoted address at all. EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-rfc822name-ipv4.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-rfc822name-multiple.pem", &san, &san_der)); // SAN contains multiple email addresses, only the first matches the // permitted constraint. EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); } TEST_P(ParseNameConstraints, Rfc822NamesInExcluded) { std::string constraints_der; ASSERT_TRUE( LoadTestNameConstraint("rfc822name-excluded.pem", &constraints_der)); CertErrors errors; std::unique_ptr name_constraints(NameConstraints::Create( der::Input(constraints_der), is_critical(), &errors)); ASSERT_TRUE(name_constraints); EXPECT_EQ(GENERAL_NAME_RFC822_NAME, name_constraints->constrained_name_types()); std::string san_der; std::unique_ptr san; ASSERT_TRUE(LoadTestSubjectAltName("san-rfc822name.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-rfc822name-domaincase.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE(LoadTestSubjectAltName("san-rfc822name-localpartcase.pem", &san, &san_der)); // Excluded names are matched case-sensitive in the local-part for addresses // from subjectAlternativeName, so this is allowed. EXPECT_TRUE(IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-rfc822name-subdomain.pem", &san, &san_der)); EXPECT_TRUE(IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-rfc822name-no-at.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-rfc822name-two-ats.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-rfc822name-ipv4.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); } TEST_P(ParseNameConstraints, Rfc822NameHostnameInPermitted) { std::string constraints_der; ASSERT_TRUE(LoadTestNameConstraint("rfc822name-permitted-hostname.pem", &constraints_der)); CertErrors errors; std::unique_ptr name_constraints(NameConstraints::Create( der::Input(constraints_der), is_critical(), &errors)); ASSERT_TRUE(name_constraints); EXPECT_EQ(GENERAL_NAME_RFC822_NAME, name_constraints->constrained_name_types()); std::string san_der; std::unique_ptr san; ASSERT_TRUE(LoadTestSubjectAltName("san-rfc822name.pem", &san, &san_der)); EXPECT_TRUE(IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-rfc822name-domaincase.pem", &san, &san_der)); EXPECT_TRUE(IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE(LoadTestSubjectAltName("san-rfc822name-localpartcase.pem", &san, &san_der)); EXPECT_TRUE(IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-rfc822name-subdomain.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-rfc822name-no-at.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-rfc822name-two-ats.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE(LoadTestSubjectAltName("san-rfc822name-empty-localpart.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-rfc822name-quoted.pem", &san, &san_der)); // `"foo"@example.com` would match `example.com` hostname, but we don't // support quoted address at all. EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-rfc822name-multiple.pem", &san, &san_der)); // SAN contains multiple email addresses, all match the permitted hostname. EXPECT_TRUE(IsPermittedCert(name_constraints.get(), der::Input(), san.get())); } TEST_P(ParseNameConstraints, Rfc822NameHostnameInExcluded) { std::string constraints_der; ASSERT_TRUE(LoadTestNameConstraint("rfc822name-excluded-hostname.pem", &constraints_der)); CertErrors errors; std::unique_ptr name_constraints(NameConstraints::Create( der::Input(constraints_der), is_critical(), &errors)); ASSERT_TRUE(name_constraints); EXPECT_EQ(GENERAL_NAME_RFC822_NAME, name_constraints->constrained_name_types()); std::string san_der; std::unique_ptr san; ASSERT_TRUE(LoadTestSubjectAltName("san-rfc822name.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-rfc822name-domaincase.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE(LoadTestSubjectAltName("san-rfc822name-localpartcase.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-rfc822name-subdomain.pem", &san, &san_der)); EXPECT_TRUE(IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-rfc822name-no-at.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-rfc822name-two-ats.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE(LoadTestSubjectAltName("san-rfc822name-empty-localpart.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); } TEST_P(ParseNameConstraints, Rfc822NameHostnameWithAtInPermitted) { std::string constraints_der; ASSERT_TRUE(LoadTestNameConstraint("rfc822name-permitted-hostnamewithat.pem", &constraints_der)); CertErrors errors; std::unique_ptr name_constraints(NameConstraints::Create( der::Input(constraints_der), is_critical(), &errors)); ASSERT_TRUE(name_constraints); EXPECT_EQ(GENERAL_NAME_RFC822_NAME, name_constraints->constrained_name_types()); std::string san_der; std::unique_ptr san; ASSERT_TRUE(LoadTestSubjectAltName("san-rfc822name-empty-localpart.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE(LoadTestSubjectAltName("san-rfc822name.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-rfc822name-domaincase.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE(LoadTestSubjectAltName("san-rfc822name-localpartcase.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-rfc822name-subdomain.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-rfc822name-no-at.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-rfc822name-two-ats.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); } TEST_P(ParseNameConstraints, Rfc822NameHostnameWithAtInExcluded) { std::string constraints_der; ASSERT_TRUE(LoadTestNameConstraint("rfc822name-excluded-hostnamewithat.pem", &constraints_der)); CertErrors errors; std::unique_ptr name_constraints(NameConstraints::Create( der::Input(constraints_der), is_critical(), &errors)); ASSERT_TRUE(name_constraints); EXPECT_EQ(GENERAL_NAME_RFC822_NAME, name_constraints->constrained_name_types()); std::string san_der; std::unique_ptr san; ASSERT_TRUE(LoadTestSubjectAltName("san-rfc822name-empty-localpart.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE(LoadTestSubjectAltName("san-rfc822name.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-rfc822name-domaincase.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE(LoadTestSubjectAltName("san-rfc822name-localpartcase.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-rfc822name-subdomain.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-rfc822name-no-at.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-rfc822name-two-ats.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); } TEST_P(ParseNameConstraints, Rfc822NameSubdomainInPermitted) { std::string constraints_der; ASSERT_TRUE(LoadTestNameConstraint("rfc822name-permitted-subdomains.pem", &constraints_der)); CertErrors errors; std::unique_ptr name_constraints(NameConstraints::Create( der::Input(constraints_der), is_critical(), &errors)); ASSERT_TRUE(name_constraints); EXPECT_EQ(GENERAL_NAME_RFC822_NAME, name_constraints->constrained_name_types()); std::string san_der; std::unique_ptr san; ASSERT_TRUE(LoadTestSubjectAltName("san-rfc822name.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-rfc822name-subdomain.pem", &san, &san_der)); EXPECT_TRUE(IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE(LoadTestSubjectAltName("san-rfc822name-subdomaincase.pem", &san, &san_der)); EXPECT_TRUE(IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE(LoadTestSubjectAltName("san-rfc822name-subdomain-no-at.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE(LoadTestSubjectAltName("san-rfc822name-subdomain-two-ats.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); } TEST_P(ParseNameConstraints, Rfc822NameSubdomainInExcluded) { std::string constraints_der; ASSERT_TRUE(LoadTestNameConstraint("rfc822name-excluded-subdomains.pem", &constraints_der)); CertErrors errors; std::unique_ptr name_constraints(NameConstraints::Create( der::Input(constraints_der), is_critical(), &errors)); ASSERT_TRUE(name_constraints); EXPECT_EQ(GENERAL_NAME_RFC822_NAME, name_constraints->constrained_name_types()); std::string san_der; std::unique_ptr san; ASSERT_TRUE(LoadTestSubjectAltName("san-rfc822name.pem", &san, &san_der)); EXPECT_TRUE(IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-rfc822name-subdomain.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE(LoadTestSubjectAltName("san-rfc822name-subdomaincase.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE(LoadTestSubjectAltName("san-rfc822name-subdomain-no-at.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE(LoadTestSubjectAltName("san-rfc822name-subdomain-two-ats.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); } TEST_P(ParseNameConstraints, Rfc822NameEmptyPermitted) { std::string constraints_der; ASSERT_TRUE(LoadTestNameConstraint("rfc822name-permitted-empty.pem", &constraints_der)); CertErrors errors; std::unique_ptr name_constraints(NameConstraints::Create( der::Input(constraints_der), is_critical(), &errors)); ASSERT_TRUE(name_constraints); EXPECT_EQ(GENERAL_NAME_RFC822_NAME, name_constraints->constrained_name_types()); std::string san_der; std::unique_ptr san; ASSERT_TRUE(LoadTestSubjectAltName("san-rfc822name.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-rfc822name-empty.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); } TEST_P(ParseNameConstraints, Rfc822NameEmptyExcluded) { std::string constraints_der; ASSERT_TRUE(LoadTestNameConstraint("rfc822name-excluded-empty.pem", &constraints_der)); CertErrors errors; std::unique_ptr name_constraints(NameConstraints::Create( der::Input(constraints_der), is_critical(), &errors)); ASSERT_TRUE(name_constraints); EXPECT_EQ(GENERAL_NAME_RFC822_NAME, name_constraints->constrained_name_types()); std::string san_der; std::unique_ptr san; ASSERT_TRUE(LoadTestSubjectAltName("san-rfc822name.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-rfc822name-empty.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); } TEST_P(ParseNameConstraints, Rfc822NameIPv4Permitted) { std::string constraints_der; ASSERT_TRUE(LoadTestNameConstraint("rfc822name-permitted-ipv4.pem", &constraints_der)); CertErrors errors; std::unique_ptr name_constraints(NameConstraints::Create( der::Input(constraints_der), is_critical(), &errors)); ASSERT_TRUE(name_constraints); EXPECT_EQ(GENERAL_NAME_RFC822_NAME, name_constraints->constrained_name_types()); std::string san_der; std::unique_ptr san; ASSERT_TRUE(LoadTestSubjectAltName("san-rfc822name.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-rfc822name-empty.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-rfc822name-ipv4.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); } TEST_P(ParseNameConstraints, Rfc822NameIPv4Excluded) { std::string constraints_der; ASSERT_TRUE( LoadTestNameConstraint("rfc822name-excluded-ipv4.pem", &constraints_der)); CertErrors errors; std::unique_ptr name_constraints(NameConstraints::Create( der::Input(constraints_der), is_critical(), &errors)); ASSERT_TRUE(name_constraints); EXPECT_EQ(GENERAL_NAME_RFC822_NAME, name_constraints->constrained_name_types()); std::string san_der; std::unique_ptr san; ASSERT_TRUE(LoadTestSubjectAltName("san-rfc822name.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-rfc822name-empty.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); ASSERT_TRUE( LoadTestSubjectAltName("san-rfc822name-ipv4.pem", &san, &san_der)); EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); } TEST_P(ParseNameConstraints, QuotedRfc822SanWithNoRfc822Constraints) { // Load an unrelated (non-rfc822) constraint. std::string constraints_der; ASSERT_TRUE( LoadTestNameConstraint("othername-excluded.pem", &constraints_der)); CertErrors errors; std::unique_ptr name_constraints(NameConstraints::Create( der::Input(constraints_der), is_critical(), &errors)); ASSERT_TRUE(name_constraints); std::string san_der; std::unique_ptr san; ASSERT_TRUE( LoadTestSubjectAltName("san-rfc822name-quoted.pem", &san, &san_der)); // A rfc822 in SAN with quotes should be allowed since we only try to parse // the name if we are enforcing a constraint against it. EXPECT_TRUE(IsPermittedCert(name_constraints.get(), der::Input(), san.get())); } TEST_P(ParseNameConstraints, QuotedRfc822SanMatchesQuotedPermitted) { std::string constraints_der; ASSERT_TRUE(LoadTestNameConstraint("rfc822name-permitted-quoted.pem", &constraints_der)); CertErrors errors; std::unique_ptr name_constraints(NameConstraints::Create( der::Input(constraints_der), is_critical(), &errors)); ASSERT_TRUE(name_constraints); std::string san_der; std::unique_ptr san; ASSERT_TRUE( LoadTestSubjectAltName("san-rfc822name-quoted.pem", &san, &san_der)); // Both SAN and constraint are `"foo"@example.com`, but we don't support // quoted address at all. EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); } TEST_P(ParseNameConstraints, UnquotedRfc822SanNotMatchingQuotedExcluded) { std::string constraints_der; ASSERT_TRUE(LoadTestNameConstraint("rfc822name-excluded-quoted.pem", &constraints_der)); CertErrors errors; std::unique_ptr name_constraints(NameConstraints::Create( der::Input(constraints_der), is_critical(), &errors)); ASSERT_TRUE(name_constraints); std::string san_der; std::unique_ptr san; ASSERT_TRUE( LoadTestSubjectAltName("san-rfc822name-subdomain.pem", &san, &san_der)); // The name `foo@subdomain.example.com` should be allowed since it doesn't // match an exclude of `"foo"@example.com`, but we don't support quoted // address at all so this is not allowed. EXPECT_FALSE( IsPermittedCert(name_constraints.get(), der::Input(), san.get())); } TEST_P(ParseNameConstraints, X400AddresssInPermitted) { std::string constraints_der; ASSERT_TRUE( LoadTestNameConstraint("x400address-permitted.pem", &constraints_der)); CertErrors errors; std::unique_ptr name_constraints(NameConstraints::Create( der::Input(constraints_der), is_critical(), &errors)); ASSERT_TRUE(name_constraints); if (is_critical()) { EXPECT_EQ(GENERAL_NAME_X400_ADDRESS, name_constraints->constrained_name_types()); } else { EXPECT_EQ(0, name_constraints->constrained_name_types()); } std::string san_der; std::unique_ptr san; ASSERT_TRUE(LoadTestSubjectAltName("san-x400address.pem", &san, &san_der)); EXPECT_EQ(!is_critical(), IsPermittedCert(name_constraints.get(), der::Input(), san.get())); } TEST_P(ParseNameConstraints, X400AddresssInExcluded) { std::string constraints_der; ASSERT_TRUE( LoadTestNameConstraint("x400address-excluded.pem", &constraints_der)); CertErrors errors; std::unique_ptr name_constraints(NameConstraints::Create( der::Input(constraints_der), is_critical(), &errors)); ASSERT_TRUE(name_constraints); if (is_critical()) { EXPECT_EQ(GENERAL_NAME_X400_ADDRESS, name_constraints->constrained_name_types()); } else { EXPECT_EQ(0, name_constraints->constrained_name_types()); } std::string san_der; std::unique_ptr san; ASSERT_TRUE(LoadTestSubjectAltName("san-x400address.pem", &san, &san_der)); EXPECT_EQ(!is_critical(), IsPermittedCert(name_constraints.get(), der::Input(), san.get())); } TEST_P(ParseNameConstraints, EdiPartyNamesInPermitted) { std::string constraints_der; ASSERT_TRUE( LoadTestNameConstraint("edipartyname-permitted.pem", &constraints_der)); CertErrors errors; std::unique_ptr name_constraints(NameConstraints::Create( der::Input(constraints_der), is_critical(), &errors)); ASSERT_TRUE(name_constraints); if (is_critical()) { EXPECT_EQ(GENERAL_NAME_EDI_PARTY_NAME, name_constraints->constrained_name_types()); } else { EXPECT_EQ(0, name_constraints->constrained_name_types()); } std::string san_der; std::unique_ptr san; ASSERT_TRUE(LoadTestSubjectAltName("san-edipartyname.pem", &san, &san_der)); EXPECT_EQ(!is_critical(), IsPermittedCert(name_constraints.get(), der::Input(), san.get())); } TEST_P(ParseNameConstraints, EdiPartyNamesInExcluded) { std::string constraints_der; ASSERT_TRUE( LoadTestNameConstraint("edipartyname-excluded.pem", &constraints_der)); CertErrors errors; std::unique_ptr name_constraints(NameConstraints::Create( der::Input(constraints_der), is_critical(), &errors)); ASSERT_TRUE(name_constraints); if (is_critical()) { EXPECT_EQ(GENERAL_NAME_EDI_PARTY_NAME, name_constraints->constrained_name_types()); } else { EXPECT_EQ(0, name_constraints->constrained_name_types()); } std::string san_der; std::unique_ptr san; ASSERT_TRUE(LoadTestSubjectAltName("san-edipartyname.pem", &san, &san_der)); EXPECT_EQ(!is_critical(), IsPermittedCert(name_constraints.get(), der::Input(), san.get())); } TEST_P(ParseNameConstraints, URIsInPermitted) { std::string constraints_der; ASSERT_TRUE(LoadTestNameConstraint("uri-permitted.pem", &constraints_der)); CertErrors errors; std::unique_ptr name_constraints(NameConstraints::Create( der::Input(constraints_der), is_critical(), &errors)); ASSERT_TRUE(name_constraints); if (is_critical()) { EXPECT_EQ(GENERAL_NAME_UNIFORM_RESOURCE_IDENTIFIER, name_constraints->constrained_name_types()); } else { EXPECT_EQ(0, name_constraints->constrained_name_types()); } std::string san_der; std::unique_ptr san; ASSERT_TRUE(LoadTestSubjectAltName("san-uri.pem", &san, &san_der)); EXPECT_EQ(!is_critical(), IsPermittedCert(name_constraints.get(), der::Input(), san.get())); } TEST_P(ParseNameConstraints, URIsInExcluded) { std::string constraints_der; ASSERT_TRUE(LoadTestNameConstraint("uri-excluded.pem", &constraints_der)); CertErrors errors; std::unique_ptr name_constraints(NameConstraints::Create( der::Input(constraints_der), is_critical(), &errors)); ASSERT_TRUE(name_constraints); if (is_critical()) { EXPECT_EQ(GENERAL_NAME_UNIFORM_RESOURCE_IDENTIFIER, name_constraints->constrained_name_types()); } else { EXPECT_EQ(0, name_constraints->constrained_name_types()); } std::string san_der; std::unique_ptr san; ASSERT_TRUE(LoadTestSubjectAltName("san-uri.pem", &san, &san_der)); EXPECT_EQ(!is_critical(), IsPermittedCert(name_constraints.get(), der::Input(), san.get())); } TEST_P(ParseNameConstraints, RegisteredIDsInPermitted) { std::string constraints_der; ASSERT_TRUE( LoadTestNameConstraint("registeredid-permitted.pem", &constraints_der)); CertErrors errors; std::unique_ptr name_constraints(NameConstraints::Create( der::Input(constraints_der), is_critical(), &errors)); ASSERT_TRUE(name_constraints); if (is_critical()) { EXPECT_EQ(GENERAL_NAME_REGISTERED_ID, name_constraints->constrained_name_types()); } else { EXPECT_EQ(0, name_constraints->constrained_name_types()); } std::string san_der; std::unique_ptr san; ASSERT_TRUE(LoadTestSubjectAltName("san-registeredid.pem", &san, &san_der)); EXPECT_EQ(!is_critical(), IsPermittedCert(name_constraints.get(), der::Input(), san.get())); } TEST_P(ParseNameConstraints, RegisteredIDsInExcluded) { std::string constraints_der; ASSERT_TRUE( LoadTestNameConstraint("registeredid-excluded.pem", &constraints_der)); CertErrors errors; std::unique_ptr name_constraints(NameConstraints::Create( der::Input(constraints_der), is_critical(), &errors)); ASSERT_TRUE(name_constraints); if (is_critical()) { EXPECT_EQ(GENERAL_NAME_REGISTERED_ID, name_constraints->constrained_name_types()); } else { EXPECT_EQ(0, name_constraints->constrained_name_types()); } std::string san_der; std::unique_ptr san; ASSERT_TRUE(LoadTestSubjectAltName("san-registeredid.pem", &san, &san_der)); EXPECT_EQ(!is_critical(), IsPermittedCert(name_constraints.get(), der::Input(), san.get())); } TEST_P(ParseNameConstraints, failsOnGeneralSubtreeWithMinimumZeroEncodedUnnecessarily) { std::string constraints_der; ASSERT_TRUE( LoadTestNameConstraint("dnsname-with_min_0.pem", &constraints_der)); // The value should not be in the DER encoding if it is the default. But this // could be changed to allowed if there are buggy encoders out there that // include it anyway. CertErrors errors; EXPECT_FALSE(NameConstraints::Create(der::Input(constraints_der), is_critical(), &errors)); } TEST_P(ParseNameConstraints, FailsOnGeneralSubtreeWithMinimum) { std::string constraints_der; ASSERT_TRUE( LoadTestNameConstraint("dnsname-with_min_1.pem", &constraints_der)); CertErrors errors; EXPECT_FALSE(NameConstraints::Create(der::Input(constraints_der), is_critical(), &errors)); } TEST_P(ParseNameConstraints, failsOnGeneralSubtreeWithMinimumZeroEncodedUnnecessarilyAndMaximum) { std::string constraints_der; ASSERT_TRUE(LoadTestNameConstraint("dnsname-with_min_0_and_max.pem", &constraints_der)); CertErrors errors; EXPECT_FALSE(NameConstraints::Create(der::Input(constraints_der), is_critical(), &errors)); } TEST_P(ParseNameConstraints, FailsOnGeneralSubtreeWithMinimumAndMaximum) { std::string constraints_der; ASSERT_TRUE(LoadTestNameConstraint("dnsname-with_min_1_and_max.pem", &constraints_der)); CertErrors errors; EXPECT_FALSE(NameConstraints::Create(der::Input(constraints_der), is_critical(), &errors)); } TEST_P(ParseNameConstraints, FailsOnGeneralSubtreeWithMaximum) { std::string constraints_der; ASSERT_TRUE(LoadTestNameConstraint("dnsname-with_max.pem", &constraints_der)); CertErrors errors; EXPECT_FALSE(NameConstraints::Create(der::Input(constraints_der), is_critical(), &errors)); } TEST_P(ParseNameConstraints, FailsOnEmptyExtensionValue) { std::string constraints_der = ""; CertErrors errors; EXPECT_FALSE(NameConstraints::Create(der::Input(constraints_der), is_critical(), &errors)); } TEST_P(ParseNameConstraints, FailsOnNoPermittedAndExcluded) { std::string constraints_der; ASSERT_TRUE( LoadTestNameConstraint("invalid-no_subtrees.pem", &constraints_der)); CertErrors errors; EXPECT_FALSE(NameConstraints::Create(der::Input(constraints_der), is_critical(), &errors)); } TEST_P(ParseNameConstraints, FailsOnEmptyPermitted) { std::string constraints_der; ASSERT_TRUE(LoadTestNameConstraint("invalid-empty_permitted_subtree.pem", &constraints_der)); CertErrors errors; EXPECT_FALSE(NameConstraints::Create(der::Input(constraints_der), is_critical(), &errors)); } TEST_P(ParseNameConstraints, FailsOnEmptyExcluded) { std::string constraints_der; ASSERT_TRUE(LoadTestNameConstraint("invalid-empty_excluded_subtree.pem", &constraints_der)); CertErrors errors; EXPECT_FALSE(NameConstraints::Create(der::Input(constraints_der), is_critical(), &errors)); } TEST_P(ParseNameConstraints, IsPermittedCertSubjectEmailAddressNoEmailConstraint) { std::string constraints_der; ASSERT_TRUE(LoadTestNameConstraint("directoryname.pem", &constraints_der)); CertErrors errors; std::unique_ptr name_constraints(NameConstraints::Create( der::Input(constraints_der), is_critical(), &errors)); ASSERT_TRUE(name_constraints); std::string name; ASSERT_TRUE(LoadTestName("name-us-arizona-email.pem", &name)); // Name constraints don't contain rfc822Name, so emailAddress in subject is // allowed regardless. EXPECT_TRUE(IsPermittedCert(name_constraints.get(), SequenceValueFromString(name), /*subject_alt_names=*/nullptr)); ASSERT_TRUE(LoadTestName("name-us-arizona-email-invalidstring.pem", &name)); // Name constraints don't contain rfc822Name, so emailAddress in subject is // allowed regardless. EXPECT_TRUE(IsPermittedCert(name_constraints.get(), SequenceValueFromString(name), /*subject_alt_names=*/nullptr)); } TEST_P(ParseNameConstraints, IsPermittedCertSubjectEmailAddressIsOk) { std::string constraints_der; ASSERT_TRUE(LoadTestNameConstraint("rfc822name-permitted-hostname.pem", &constraints_der)); CertErrors errors; std::unique_ptr name_constraints(NameConstraints::Create( der::Input(constraints_der), is_critical(), &errors)); ASSERT_TRUE(name_constraints); std::string name; ASSERT_TRUE(LoadTestName("name-us-arizona-email.pem", &name)); // Name constraints contain rfc822Name, and the address matches the // constraint (which is all addresses on the hostname.) EXPECT_TRUE(IsPermittedCert(name_constraints.get(), SequenceValueFromString(name), /*subject_alt_names=*/nullptr)); ASSERT_TRUE(LoadTestName("name-us-arizona-email-invalidstring.pem", &name)); // The bytes of the name string match, but the string type is VISIBLESTRING // which is not supported, so this should fail. EXPECT_FALSE(IsPermittedCert(name_constraints.get(), SequenceValueFromString(name), /*subject_alt_names=*/nullptr)); ASSERT_TRUE(LoadTestName("name-us-arizona-email-multiple.pem", &name)); // Subject contains multiple rfc822Names, and they all match the constraint // (which is all addresses on the hostname.) EXPECT_TRUE(IsPermittedCert(name_constraints.get(), SequenceValueFromString(name), /*subject_alt_names=*/nullptr)); } TEST_P(ParseNameConstraints, IsPermittedCertSubjectEmailAddressIsNotOk) { std::string constraints_der; ASSERT_TRUE( LoadTestNameConstraint("rfc822name-permitted.pem", &constraints_der)); CertErrors errors; std::unique_ptr name_constraints(NameConstraints::Create( der::Input(constraints_der), is_critical(), &errors)); ASSERT_TRUE(name_constraints); std::string name; ASSERT_TRUE(LoadTestName("name-us-arizona-email.pem", &name)); // Name constraints contain rfc822Name, and the address does not match the // constraint. EXPECT_FALSE(IsPermittedCert(name_constraints.get(), SequenceValueFromString(name), /*subject_alt_names=*/nullptr)); // Address is a case-insensitive match, but name constraints (permitted) are // case-sensitive, so this fails. ASSERT_TRUE(LoadTestName("name-us-arizona-email-localpartcase.pem", &name)); EXPECT_FALSE(IsPermittedCert(name_constraints.get(), SequenceValueFromString(name), /*subject_alt_names=*/nullptr)); ASSERT_TRUE(LoadTestName("name-us-arizona-email-multiple.pem", &name)); // Subject contains multiple rfc822Names, and only the first one matches the // constraint. EXPECT_FALSE(IsPermittedCert(name_constraints.get(), SequenceValueFromString(name), /*subject_alt_names=*/nullptr)); } TEST_P(ParseNameConstraints, IsPermittedCertSubjectEmailAddressExcluded) { std::string constraints_der; ASSERT_TRUE( LoadTestNameConstraint("rfc822name-excluded.pem", &constraints_der)); CertErrors errors; std::unique_ptr name_constraints(NameConstraints::Create( der::Input(constraints_der), is_critical(), &errors)); ASSERT_TRUE(name_constraints); std::string name; ASSERT_TRUE(LoadTestName("name-us-arizona-email.pem", &name)); // Name constraints contain excluded rfc822Name, and the address does not // match the constraint. EXPECT_TRUE(IsPermittedCert(name_constraints.get(), SequenceValueFromString(name), /*subject_alt_names=*/nullptr)); // Name constraints for excluded are done case-insensitive in the local part, // so this is not allowed. ASSERT_TRUE(LoadTestName("name-us-arizona-email-localpartcase.pem", &name)); EXPECT_FALSE(IsPermittedCert(name_constraints.get(), SequenceValueFromString(name), /*subject_alt_names=*/nullptr)); ASSERT_TRUE(LoadTestName("name-us-arizona-email-multiple.pem", &name)); // Subject contains multiple rfc822Names, and one of them is excluded by the // constraint. EXPECT_FALSE(IsPermittedCert(name_constraints.get(), SequenceValueFromString(name), /*subject_alt_names=*/nullptr)); } // Hostname in commonName is not allowed (crbug.com/308330), so these are tests // are not particularly interesting, just verifying that the commonName is // ignored for dNSName constraints. TEST_P(ParseNameConstraints, IsPermittedCertSubjectDnsNames) { std::string constraints_der; ASSERT_TRUE(LoadTestNameConstraint("directoryname_and_dnsname.pem", &constraints_der)); CertErrors errors; std::unique_ptr name_constraints(NameConstraints::Create( der::Input(constraints_der), is_critical(), &errors)); ASSERT_TRUE(name_constraints); std::string name_us_az_foocom; ASSERT_TRUE(LoadTestName("name-us-arizona-foo.com.pem", &name_us_az_foocom)); // The subject is within permitted directoryName constraints, so permitted. // (The commonName hostname is not within permitted dNSName constraints, so // this would not be permitted if hostnames in commonName were checked.) EXPECT_TRUE(IsPermittedCert(name_constraints.get(), SequenceValueFromString(name_us_az_foocom), nullptr /* subject_alt_names */)); std::string name_us_az_permitted; ASSERT_TRUE(LoadTestName("name-us-arizona-permitted.example.com.pem", &name_us_az_permitted)); // The subject is in permitted directoryName and the commonName is within // permitted dNSName constraints, so this should be permitted regardless if // hostnames in commonName are checked or not. EXPECT_TRUE(IsPermittedCert(name_constraints.get(), SequenceValueFromString(name_us_az_permitted), nullptr /* subject_alt_names */)); std::string name_us_ca_permitted; ASSERT_TRUE(LoadTestName("name-us-california-permitted.example.com.pem", &name_us_ca_permitted)); // The subject is within the excluded C=US,ST=California directoryName, so // this should not be allowed, regardless of checking the // permitted.example.com in commonName. EXPECT_FALSE(IsPermittedCert(name_constraints.get(), SequenceValueFromString(name_us_ca_permitted), nullptr /* subject_alt_names */)); } // IP addresses in commonName are not allowed (crbug.com/308330), so these are // tests are not particularly interesting, just verifying that the commonName is // ignored for iPAddress constraints. TEST_P(ParseNameConstraints, IsPermittedCertSubjectIpAddresses) { std::string constraints_der; ASSERT_TRUE(LoadTestNameConstraint( "directoryname_and_dnsname_and_ipaddress.pem", &constraints_der)); CertErrors errors; std::unique_ptr name_constraints(NameConstraints::Create( der::Input(constraints_der), is_critical(), &errors)); ASSERT_TRUE(name_constraints); std::string name_us_az_1_1_1_1; ASSERT_TRUE(LoadTestName("name-us-arizona-1.1.1.1.pem", &name_us_az_1_1_1_1)); // The subject is within permitted directoryName constraints, so permitted. // (The commonName IP address is not within permitted iPAddresses constraints, // so this would not be permitted if IP addresses in commonName were checked.) EXPECT_TRUE(IsPermittedCert(name_constraints.get(), SequenceValueFromString(name_us_az_1_1_1_1), nullptr /* subject_alt_names */)); std::string name_us_az_192_168_1_1; ASSERT_TRUE( LoadTestName("name-us-arizona-192.168.1.1.pem", &name_us_az_192_168_1_1)); // The subject is in permitted directoryName and the commonName is within // permitted iPAddress constraints, so this should be permitted regardless if // IP addresses in commonName are checked or not. EXPECT_TRUE(IsPermittedCert(name_constraints.get(), SequenceValueFromString(name_us_az_192_168_1_1), nullptr /* subject_alt_names */)); std::string name_us_ca_192_168_1_1; ASSERT_TRUE(LoadTestName("name-us-california-192.168.1.1.pem", &name_us_ca_192_168_1_1)); // The subject is within the excluded C=US,ST=California directoryName, so // this should not be allowed, regardless of checking the // IP address in commonName. EXPECT_FALSE(IsPermittedCert(name_constraints.get(), SequenceValueFromString(name_us_ca_192_168_1_1), nullptr /* subject_alt_names */)); std::string name_us_az_ipv6; ASSERT_TRUE(LoadTestName("name-us-arizona-ipv6.pem", &name_us_az_ipv6)); // The subject is within permitted directoryName constraints, so permitted. // (The commonName is an ipv6 address which wasn't supported in the past, but // since commonName checking is ignored entirely, this is permitted.) EXPECT_TRUE(IsPermittedCert(name_constraints.get(), SequenceValueFromString(name_us_az_ipv6), nullptr /* subject_alt_names */)); } } // namespace bssl