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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/security_interstitials/content/ssl_error_assistant.h"
#include <memory>
#include "components/security_interstitials/content/ssl_error_assistant.pb.h"
#include "content/public/test/test_renderer_host.h"
#include "crypto/sha2.h"
#include "net/cert/asn1_util.h"
#include "net/test/cert_test_util.h"
#include "net/test/embedded_test_server/embedded_test_server.h"
#include "net/test/test_certificate_data.h"
#include "net/test/test_data_directory.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
const net::SHA256HashValue kCertPublicKeyHashValue = {{0x01, 0x02}};
const uint32_t kLargeVersionId = 0xFFFFFFu;
// These certificates are self signed certificates with relevant issuer common
// names generated using the following openssl command:
// openssl req -new -x509 -keyout server.pem -out server.pem -days 365 -nodes
// Common name: "Misconfig Software"
// Organization name: "Test Company"
const char kMisconfigSoftwareCert[] =
"-----BEGIN CERTIFICATE-----\n"
"MIIC5DCCAk2gAwIBAgIJAPYPMpr0AIDBMA0GCSqGSIb3DQEBBQUAMFYxCzAJBgNV\n"
"BAYTAkFVMRMwEQYDVQQIEwpTb21lLVN0YXRlMRUwEwYDVQQKEwxUZXN0IENvbXBh\n"
"bnkxGzAZBgNVBAMTEk1pc2NvbmZpZyBTb2Z0d2FyZTAeFw0xNzEwMTcxOTQyMzFa\n"
"Fw0xODEwMTcxOTQyMzFaMFYxCzAJBgNVBAYTAkFVMRMwEQYDVQQIEwpTb21lLVN0\n"
"YXRlMRUwEwYDVQQKEwxUZXN0IENvbXBhbnkxGzAZBgNVBAMTEk1pc2NvbmZpZyBT\n"
"b2Z0d2FyZTCBnzANBgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEAyZWnLvuD19iG5PSi\n"
"8dSVhLeuZDBtwcWBOMzga3hx7HDMd+395gstRLc1VhpMePmxUdyEpStHDiYjNF/k\n"
"GRsIXfXWpO82L7r+Fm6eym4BOw2sjX1aounljETYasREvXhEB/8WaLJfMcstUwsT\n"
"PoXgUWYkIBi/76EiWHXvYEiXV2kCAwEAAaOBuTCBtjAdBgNVHQ4EFgQUtakrb0wU\n"
"gZVXyus1vlj6T5aDEnYwgYYGA1UdIwR/MH2AFLWpK29MFIGVV8rrNb5Y+k+WgxJ2\n"
"oVqkWDBWMQswCQYDVQQGEwJBVTETMBEGA1UECBMKU29tZS1TdGF0ZTEVMBMGA1UE\n"
"ChMMVGVzdCBDb21wYW55MRswGQYDVQQDExJNaXNjb25maWcgU29mdHdhcmWCCQD2\n"
"DzKa9ACAwTAMBgNVHRMEBTADAQH/MA0GCSqGSIb3DQEBBQUAA4GBAFAFlPO3HEWQ\n"
"0XdRbeIQPVva72VFyF+ESFC6ky7GLDoaSAwRlE1i5qWfxnLbEA0b7CWjyO1tC8Uw\n"
"OMB5U9qmQouAqf5medr2pECSDimb7qBCz3kKjgZWt1Xv8w0PsW6lFVPmMsO4Zv7F\n"
"Podf1biETWgaYoT6PrUTtWG3jeSU2r9M\n"
"-----END CERTIFICATE-----";
// Common name: "ijklmn opqrs"
// Organization name: "abc defgh co"
const char kMisconfigSoftwareRegexCheckCert[] =
"-----BEGIN CERTIFICATE-----\n"
"MIIC0jCCAjugAwIBAgIJAOyyORCXGxvDMA0GCSqGSIb3DQEBBQUAMFAxCzAJBgNV\n"
"BAYTAkFVMRMwEQYDVQQIEwpTb21lLVN0YXRlMRUwEwYDVQQKEwxhYmMgZGVmZ2gg\n"
"Y28xFTATBgNVBAMTDGlqa2xtbiBvcHFyczAeFw0xNzEwMTcyMjM4MzJaFw0xODEw\n"
"MTcyMjM4MzJaMFAxCzAJBgNVBAYTAkFVMRMwEQYDVQQIEwpTb21lLVN0YXRlMRUw\n"
"EwYDVQQKEwxhYmMgZGVmZ2ggY28xFTATBgNVBAMTDGlqa2xtbiBvcHFyczCBnzAN\n"
"BgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEAsnuBPW2k4+eFazC8lq7rLRNjpZ5yqEwX\n"
"LBE8fxbvjXSSZAaJz/iTn+Zg/UMJz9IpulbcA/xf36JuhFYv7aClFrtg5DHaqrPf\n"
"kt7g9AM3hEIjGsdHtyAqFp/+CpySGzVpTLyT1NtHkqtkiD6HCSpWqL+m/6ibpUhy\n"
"oy9y/ZV1vVUCAwEAAaOBszCBsDAdBgNVHQ4EFgQUBk+vtSjNipTcWh3NIbtsjVN0\n"
"uJswgYAGA1UdIwR5MHeAFAZPr7UozYqU3FodzSG7bI1TdLiboVSkUjBQMQswCQYD\n"
"VQQGEwJBVTETMBEGA1UECBMKU29tZS1TdGF0ZTEVMBMGA1UEChMMYWJjIGRlZmdo\n"
"IGNvMRUwEwYDVQQDEwxpamtsbW4gb3BxcnOCCQDssjkQlxsbwzAMBgNVHRMEBTAD\n"
"AQH/MA0GCSqGSIb3DQEBBQUAA4GBACv8KnNmaOqHD8QsmvaD2Yvc7dAFkCgsdQb/\n"
"Tkyw0sJN8ZH+bummkgGZLw4gzdmhVg8kGIbiDvCYgOVaIg+2H3PtkdIrW2KhyXrN\n"
"2qIa9nBvuv8LC1TAdB65DDheLh0PuTGcIwfJ7kcKi+Eo8fPbYYdyHGRw+rVWXVPz\n"
"SgZO4ZYq\n"
"-----END CERTIFICATE-----";
} // namespace
class SSLErrorAssistantTest : public content::RenderViewHostTestHarness {
public:
SSLErrorAssistantTest(const SSLErrorAssistantTest&) = delete;
SSLErrorAssistantTest& operator=(const SSLErrorAssistantTest&) = delete;
void SetUp() override {
content::RenderViewHostTestHarness::SetUp();
error_assistant_ = std::make_unique<SSLErrorAssistant>();
ssl_info_.cert = net::ImportCertFromFile(
net::GetTestCertsDirectory(), "subjectAltName_www_example_com.pem");
ssl_info_.cert_status = net::CERT_STATUS_COMMON_NAME_INVALID;
ssl_info_.public_key_hashes.push_back(
net::HashValue(kCertPublicKeyHashValue));
}
void TearDown() override {
error_assistant_.reset();
content::RenderViewHostTestHarness::TearDown();
}
void TestMITMSoftwareMatchFromString(const std::string& cert,
const std::string& match_result) {
net::CertificateList certs =
net::X509Certificate::CreateCertificateListFromBytes(
base::as_byte_span(cert), net::X509Certificate::FORMAT_AUTO);
ASSERT_FALSE(certs.empty());
EXPECT_EQ(match_result,
error_assistant()->MatchKnownMITMSoftware(certs[0]));
}
protected:
SSLErrorAssistantTest() {
embedded_test_server_ = std::make_unique<net::EmbeddedTestServer>();
}
~SSLErrorAssistantTest() override = default;
SSLErrorAssistant* error_assistant() const { return error_assistant_.get(); }
net::EmbeddedTestServer* embedded_test_server() const {
return embedded_test_server_.get();
}
const net::SSLInfo& ssl_info() const { return ssl_info_; }
const std::string& issuer_common_name() const {
return ssl_info_.cert->issuer().common_name;
}
const std::string& issuer_organization_name() const {
DCHECK(!ssl_info_.cert->issuer().organization_names.empty());
return ssl_info_.cert->issuer().organization_names.front();
}
private:
net::SSLInfo ssl_info_;
std::unique_ptr<SSLErrorAssistant> error_assistant_;
std::unique_ptr<net::EmbeddedTestServer> embedded_test_server_;
};
// Test to see if IsKnownCaptivePortalCertificate() returns the correct value.
TEST_F(SSLErrorAssistantTest, CaptivePortalCertificateList) {
ASSERT_TRUE(embedded_test_server()->Start());
EXPECT_EQ(1u, ssl_info().public_key_hashes.size());
// Test without the known captive portal certificate in config_proto.
auto config_proto =
std::make_unique<chrome_browser_ssl::SSLErrorAssistantConfig>();
config_proto->set_version_id(kLargeVersionId);
config_proto->add_captive_portal_cert()->set_sha256_hash("sha256/boxfish");
config_proto->add_captive_portal_cert()->set_sha256_hash(
"sha256/treecreeper");
error_assistant()->SetErrorAssistantProto(std::move(config_proto));
EXPECT_FALSE(error_assistant()->IsKnownCaptivePortalCertificate(ssl_info()));
error_assistant()->ResetForTesting();
// Test with the known captive portal certificate in config_proto.
config_proto =
std::make_unique<chrome_browser_ssl::SSLErrorAssistantConfig>();
config_proto->set_version_id(kLargeVersionId);
config_proto->add_captive_portal_cert()->set_sha256_hash("sha256/boxfish");
config_proto->add_captive_portal_cert()->set_sha256_hash(
ssl_info().public_key_hashes[0].ToString());
config_proto->add_captive_portal_cert()->set_sha256_hash(
"sha256/treecreeper");
error_assistant()->SetErrorAssistantProto(std::move(config_proto));
EXPECT_TRUE(error_assistant()->IsKnownCaptivePortalCertificate(ssl_info()));
}
// Test to see if the MitM Software gets matched correctly.
TEST_F(SSLErrorAssistantTest, MitMSoftwareMatching) {
ASSERT_TRUE(embedded_test_server()->Start());
auto config_proto =
std::make_unique<chrome_browser_ssl::SSLErrorAssistantConfig>();
config_proto->set_version_id(kLargeVersionId);
// Tests for a basic and more complex regex match.
chrome_browser_ssl::MITMSoftware* filter = config_proto->add_mitm_software();
filter->set_name("Basic Check");
filter->set_issuer_common_name_regex("Misconfig Software");
filter->set_issuer_organization_regex("Test Company");
filter = config_proto->add_mitm_software();
filter->set_name("Regex Check");
filter->set_issuer_common_name_regex("ij[a-z]+n opqrs");
filter->set_issuer_organization_regex("abc de[a-z0-9]gh [a-z]+");
error_assistant()->SetErrorAssistantProto(std::move(config_proto));
TestMITMSoftwareMatchFromString(kMisconfigSoftwareCert, "Basic Check");
TestMITMSoftwareMatchFromString(kMisconfigSoftwareRegexCheckCert,
"Regex Check");
error_assistant()->ResetForTesting();
// Tests for no matches.
config_proto =
std::make_unique<chrome_browser_ssl::SSLErrorAssistantConfig>();
config_proto->set_version_id(kLargeVersionId);
filter = config_proto->add_mitm_software();
filter->set_name("Incorrect common name");
filter->set_issuer_common_name_regex("Misconfig Sotware");
filter->set_issuer_organization_regex("Test Company");
filter = config_proto->add_mitm_software();
filter->set_name("Incorrect company name");
filter->set_issuer_common_name_regex("Misconfig Software");
filter->set_issuer_organization_regex("Tst Company");
error_assistant()->SetErrorAssistantProto(std::move(config_proto));
TestMITMSoftwareMatchFromString(kMisconfigSoftwareCert, "");
}
// Test to see if the dynamic interstitial is matched with more complex regex
// fields.
TEST_F(SSLErrorAssistantTest, DynamicInterstitialListMatch) {
ASSERT_TRUE(embedded_test_server()->Start());
EXPECT_EQ(1u, ssl_info().public_key_hashes.size());
auto config_proto =
std::make_unique<chrome_browser_ssl::SSLErrorAssistantConfig>();
config_proto->set_version_id(kLargeVersionId);
// Add a dynamic interstitial that will mismatch.
chrome_browser_ssl::DynamicInterstitial* filter =
config_proto->add_dynamic_interstitial();
filter->set_interstitial_type(chrome_browser_ssl::DynamicInterstitial::
INTERSTITIAL_PAGE_CAPTIVE_PORTAL);
filter->set_cert_error(
chrome_browser_ssl::DynamicInterstitial::UNKNOWN_CERT_ERROR);
filter->add_sha256_hash("sha256/nightjar");
filter->add_sha256_hash("sha256/frogmouth");
filter->add_sha256_hash("sha256/poorwill");
filter->set_mitm_software_name("UwS");
filter->set_issuer_common_name_regex("whippoorwill");
// Add a matching dynamic interstitial.
filter = config_proto->add_dynamic_interstitial();
filter->set_interstitial_type(
chrome_browser_ssl::DynamicInterstitial::INTERSTITIAL_PAGE_SSL);
filter->set_cert_error(
chrome_browser_ssl::DynamicInterstitial::ERR_CERT_COMMON_NAME_INVALID);
filter->add_sha256_hash("sha256/nuthatch");
filter->add_sha256_hash(ssl_info().public_key_hashes[0].ToString());
filter->add_sha256_hash("sha256/treecreeper");
filter->set_mitm_software_name("UwS");
filter->set_issuer_common_name_regex(issuer_common_name());
filter->set_issuer_organization_regex(issuer_organization_name());
error_assistant()->SetErrorAssistantProto(std::move(config_proto));
std::optional<DynamicInterstitialInfo> dynamic_interstitial =
error_assistant()->MatchDynamicInterstitial(ssl_info());
ASSERT_TRUE(dynamic_interstitial);
EXPECT_EQ(chrome_browser_ssl::DynamicInterstitial::INTERSTITIAL_PAGE_SSL,
dynamic_interstitial->interstitial_type);
}
// Test to see if the dynamic interstitial is matched.
TEST_F(SSLErrorAssistantTest, DynamicInterstitialListComplexRegexMatch) {
ASSERT_TRUE(embedded_test_server()->Start());
EXPECT_EQ(1u, ssl_info().public_key_hashes.size());
auto config_proto =
std::make_unique<chrome_browser_ssl::SSLErrorAssistantConfig>();
config_proto->set_version_id(kLargeVersionId);
// Add a dynamic interstitial that will mismatch.
chrome_browser_ssl::DynamicInterstitial* filter =
config_proto->add_dynamic_interstitial();
filter->set_interstitial_type(chrome_browser_ssl::DynamicInterstitial::
INTERSTITIAL_PAGE_CAPTIVE_PORTAL);
filter->set_cert_error(
chrome_browser_ssl::DynamicInterstitial::UNKNOWN_CERT_ERROR);
filter->add_sha256_hash("sha256/nightjar");
filter->add_sha256_hash("sha256/frogmouth");
filter->add_sha256_hash("sha256/poorwill");
filter->set_mitm_software_name("UwS");
filter->set_issuer_common_name_regex("whippoorwill");
// Add a dynamic interstitial that will match.
filter = config_proto->add_dynamic_interstitial();
filter->set_interstitial_type(
chrome_browser_ssl::DynamicInterstitial::INTERSTITIAL_PAGE_SSL);
filter->set_cert_error(
chrome_browser_ssl::DynamicInterstitial::ERR_CERT_COMMON_NAME_INVALID);
filter->add_sha256_hash("sha256/nuthatch");
filter->add_sha256_hash(ssl_info().public_key_hashes[0].ToString());
filter->add_sha256_hash("sha256/treecreeper");
filter->set_mitm_software_name("UwS");
filter->set_issuer_common_name_regex("[0-9]+.0.[0-9]+.1");
filter->set_issuer_organization_regex("T[a-z]+t CA");
error_assistant()->SetErrorAssistantProto(std::move(config_proto));
std::optional<DynamicInterstitialInfo> dynamic_interstitial =
error_assistant()->MatchDynamicInterstitial(ssl_info());
ASSERT_TRUE(dynamic_interstitial);
EXPECT_EQ(chrome_browser_ssl::DynamicInterstitial::INTERSTITIAL_PAGE_SSL,
dynamic_interstitial->interstitial_type);
}
// Test to see if the dynamic interstitial is matched when the certificate
// error is set to UNKNOWN_CERT_ERROR.
TEST_F(SSLErrorAssistantTest, DynamicInterstitialListMatchUnknownCertError) {
ASSERT_TRUE(embedded_test_server()->Start());
EXPECT_EQ(1u, ssl_info().public_key_hashes.size());
auto config_proto =
std::make_unique<chrome_browser_ssl::SSLErrorAssistantConfig>();
config_proto->set_version_id(kLargeVersionId);
// Add a dynamic interstitial that will mismatch.
chrome_browser_ssl::DynamicInterstitial* filter =
config_proto->add_dynamic_interstitial();
filter->set_interstitial_type(chrome_browser_ssl::DynamicInterstitial::
INTERSTITIAL_PAGE_CAPTIVE_PORTAL);
filter->set_cert_error(
chrome_browser_ssl::DynamicInterstitial::UNKNOWN_CERT_ERROR);
filter->add_sha256_hash("sha256/nightjar");
filter->add_sha256_hash("sha256/frogmouth");
filter->add_sha256_hash("sha256/poorwill");
// Add a dynamic interstitial that will match.
filter = config_proto->add_dynamic_interstitial();
filter->set_interstitial_type(
chrome_browser_ssl::DynamicInterstitial::INTERSTITIAL_PAGE_SSL);
filter->set_cert_error(
chrome_browser_ssl::DynamicInterstitial::UNKNOWN_CERT_ERROR);
filter->add_sha256_hash("sha256/nuthatch");
filter->add_sha256_hash(ssl_info().public_key_hashes[0].ToString());
filter->add_sha256_hash("sha256/treecreeper");
filter->set_issuer_common_name_regex(issuer_common_name());
filter->set_issuer_organization_regex(issuer_organization_name());
filter->set_mitm_software_name("UwS");
error_assistant()->SetErrorAssistantProto(std::move(config_proto));
std::optional<DynamicInterstitialInfo> dynamic_interstitial =
error_assistant()->MatchDynamicInterstitial(ssl_info());
EXPECT_TRUE(dynamic_interstitial);
EXPECT_EQ(chrome_browser_ssl::DynamicInterstitial::INTERSTITIAL_PAGE_SSL,
dynamic_interstitial->interstitial_type);
}
// Test to see if the dynamic interstitial is matched if an empty issuer
// common name regex is set.
TEST_F(SSLErrorAssistantTest, DynamicInterstitialListNoCommonName) {
ASSERT_TRUE(embedded_test_server()->Start());
EXPECT_EQ(1u, ssl_info().public_key_hashes.size());
auto config_proto =
std::make_unique<chrome_browser_ssl::SSLErrorAssistantConfig>();
config_proto->set_version_id(kLargeVersionId);
// Add a dynamic interstitial that will mismatch.
chrome_browser_ssl::DynamicInterstitial* filter =
config_proto->add_dynamic_interstitial();
filter->set_interstitial_type(chrome_browser_ssl::DynamicInterstitial::
INTERSTITIAL_PAGE_CAPTIVE_PORTAL);
filter->set_cert_error(
chrome_browser_ssl::DynamicInterstitial::UNKNOWN_CERT_ERROR);
filter->add_sha256_hash("sha256/nightjar");
filter->add_sha256_hash("sha256/frogmouth");
filter->add_sha256_hash("sha256/poorwill");
// Add a matching dynamic interstitial with an empty issuer common name
// regex.
filter = config_proto->add_dynamic_interstitial();
filter->set_interstitial_type(
chrome_browser_ssl::DynamicInterstitial::INTERSTITIAL_PAGE_SSL);
filter->set_cert_error(
chrome_browser_ssl::DynamicInterstitial::ERR_CERT_COMMON_NAME_INVALID);
filter->add_sha256_hash("sha256/nuthatch");
filter->add_sha256_hash(ssl_info().public_key_hashes[0].ToString());
filter->add_sha256_hash("sha256/treecreeper");
filter->set_issuer_common_name_regex(std::string());
filter->set_issuer_organization_regex(issuer_organization_name());
filter->set_mitm_software_name("UwS");
error_assistant()->SetErrorAssistantProto(std::move(config_proto));
std::optional<DynamicInterstitialInfo> dynamic_interstitial =
error_assistant()->MatchDynamicInterstitial(ssl_info());
ASSERT_TRUE(dynamic_interstitial);
EXPECT_EQ(chrome_browser_ssl::DynamicInterstitial::INTERSTITIAL_PAGE_SSL,
dynamic_interstitial->interstitial_type);
}
// Test to see if the dynamic interstitial is matched if no issuer
// organization name regex is set.
TEST_F(SSLErrorAssistantTest, DynamicInterstitialListNoOrganizationRegex) {
ASSERT_TRUE(embedded_test_server()->Start());
EXPECT_EQ(1u, ssl_info().public_key_hashes.size());
auto config_proto =
std::make_unique<chrome_browser_ssl::SSLErrorAssistantConfig>();
config_proto->set_version_id(kLargeVersionId);
// Add a dynamic interstitial that will mismatch.
chrome_browser_ssl::DynamicInterstitial* filter =
config_proto->add_dynamic_interstitial();
filter->set_interstitial_type(chrome_browser_ssl::DynamicInterstitial::
INTERSTITIAL_PAGE_CAPTIVE_PORTAL);
filter->set_cert_error(
chrome_browser_ssl::DynamicInterstitial::UNKNOWN_CERT_ERROR);
filter->add_sha256_hash("sha256/nightjar");
filter->add_sha256_hash("sha256/frogmouth");
filter->add_sha256_hash("sha256/poorwill");
// Add a matching dynamic interstitial with an empty issuer organization
// name regex.
filter = config_proto->add_dynamic_interstitial();
filter->set_interstitial_type(
chrome_browser_ssl::DynamicInterstitial::INTERSTITIAL_PAGE_SSL);
filter->set_cert_error(
chrome_browser_ssl::DynamicInterstitial::ERR_CERT_COMMON_NAME_INVALID);
filter->add_sha256_hash("sha256/nuthatch");
filter->add_sha256_hash(ssl_info().public_key_hashes[0].ToString());
filter->add_sha256_hash("sha256/treecreeper");
filter->set_issuer_common_name_regex(issuer_common_name());
filter->set_issuer_organization_regex(std::string());
filter->set_mitm_software_name("UwS");
error_assistant()->SetErrorAssistantProto(std::move(config_proto));
std::optional<DynamicInterstitialInfo> dynamic_interstitial =
error_assistant()->MatchDynamicInterstitial(ssl_info());
ASSERT_TRUE(dynamic_interstitial);
EXPECT_EQ(chrome_browser_ssl::DynamicInterstitial::INTERSTITIAL_PAGE_SSL,
dynamic_interstitial->interstitial_type);
}
// Test to see if the dynamic interstitial is matched if no certificate hash is
// provided.
TEST_F(SSLErrorAssistantTest, DynamicInterstitialListNoCertHashes) {
ASSERT_TRUE(embedded_test_server()->Start());
EXPECT_EQ(1u, ssl_info().public_key_hashes.size());
auto config_proto =
std::make_unique<chrome_browser_ssl::SSLErrorAssistantConfig>();
config_proto->set_version_id(kLargeVersionId);
// Add a dynamic interstitial that will mismatch.
chrome_browser_ssl::DynamicInterstitial* filter =
config_proto->add_dynamic_interstitial();
filter->set_interstitial_type(chrome_browser_ssl::DynamicInterstitial::
INTERSTITIAL_PAGE_CAPTIVE_PORTAL);
filter->set_cert_error(
chrome_browser_ssl::DynamicInterstitial::UNKNOWN_CERT_ERROR);
filter->add_sha256_hash("sha256/nightjar");
filter->add_sha256_hash("sha256/frogmouth");
filter->add_sha256_hash("sha256/poorwill");
// Add a dynamic interstitial that will match.
filter = config_proto->add_dynamic_interstitial();
filter->set_interstitial_type(
chrome_browser_ssl::DynamicInterstitial::INTERSTITIAL_PAGE_SSL);
filter->set_cert_error(
chrome_browser_ssl::DynamicInterstitial::ERR_CERT_COMMON_NAME_INVALID);
filter->set_issuer_common_name_regex(issuer_common_name());
filter->set_issuer_organization_regex(issuer_organization_name());
filter->set_mitm_software_name("UwS");
error_assistant()->SetErrorAssistantProto(std::move(config_proto));
std::optional<DynamicInterstitialInfo> dynamic_interstitial =
error_assistant()->MatchDynamicInterstitial(ssl_info());
ASSERT_TRUE(dynamic_interstitial);
EXPECT_EQ(chrome_browser_ssl::DynamicInterstitial::INTERSTITIAL_PAGE_SSL,
dynamic_interstitial->interstitial_type);
}
// Test to see if the dynamic interstitial is matched if no certificate hash,
// cert error or regexes is provided.
TEST_F(SSLErrorAssistantTest, DynamicInterstitialListMatchBlank) {
ASSERT_TRUE(embedded_test_server()->Start());
EXPECT_EQ(1u, ssl_info().public_key_hashes.size());
auto config_proto =
std::make_unique<chrome_browser_ssl::SSLErrorAssistantConfig>();
config_proto->set_version_id(kLargeVersionId);
// Add a dynamic interstitial that will mismatch.
chrome_browser_ssl::DynamicInterstitial* filter =
config_proto->add_dynamic_interstitial();
filter->set_interstitial_type(
chrome_browser_ssl::DynamicInterstitial::INTERSTITIAL_PAGE_SSL);
error_assistant()->SetErrorAssistantProto(std::move(config_proto));
std::optional<DynamicInterstitialInfo> dynamic_interstitial =
error_assistant()->MatchDynamicInterstitial(ssl_info());
ASSERT_TRUE(dynamic_interstitial);
EXPECT_EQ(chrome_browser_ssl::DynamicInterstitial::INTERSTITIAL_PAGE_SSL,
dynamic_interstitial->interstitial_type);
}
// Test for a dynamic interstitial mismatch in the cert error.
TEST_F(SSLErrorAssistantTest, DynamicInterstitialListCertErrorMismatch) {
ASSERT_TRUE(embedded_test_server()->Start());
EXPECT_EQ(1u, ssl_info().public_key_hashes.size());
auto config_proto =
std::make_unique<chrome_browser_ssl::SSLErrorAssistantConfig>();
config_proto->set_version_id(kLargeVersionId);
chrome_browser_ssl::DynamicInterstitial* filter =
config_proto->add_dynamic_interstitial();
filter->set_interstitial_type(
chrome_browser_ssl::DynamicInterstitial::INTERSTITIAL_PAGE_SSL);
filter->set_cert_error(
chrome_browser_ssl::DynamicInterstitial::ERR_CERT_DATE_INVALID);
filter->add_sha256_hash("sha256/nuthatch");
filter->add_sha256_hash(ssl_info().public_key_hashes[0].ToString());
filter->add_sha256_hash("sha256/treecreeper");
filter->set_issuer_common_name_regex(issuer_common_name());
filter->set_issuer_organization_regex(issuer_organization_name());
filter->set_mitm_software_name("UwS");
error_assistant()->SetErrorAssistantProto(std::move(config_proto));
EXPECT_FALSE(error_assistant()->MatchDynamicInterstitial(ssl_info()));
}
// Test for a dynamic interstitial mismatch in the certificate hashes.
TEST_F(SSLErrorAssistantTest, DynamicInterstitialListHashesMismatch) {
ASSERT_TRUE(embedded_test_server()->Start());
EXPECT_EQ(1u, ssl_info().public_key_hashes.size());
auto config_proto =
std::make_unique<chrome_browser_ssl::SSLErrorAssistantConfig>();
config_proto->set_version_id(kLargeVersionId);
chrome_browser_ssl::DynamicInterstitial* filter =
config_proto->add_dynamic_interstitial();
filter->set_interstitial_type(
chrome_browser_ssl::DynamicInterstitial::INTERSTITIAL_PAGE_SSL);
filter->set_cert_error(
chrome_browser_ssl::DynamicInterstitial::UNKNOWN_CERT_ERROR);
filter->add_sha256_hash("sha256/yellowlegs");
filter->add_sha256_hash("sha256/killdeer");
filter->set_issuer_common_name_regex(issuer_common_name());
filter->set_issuer_organization_regex(issuer_organization_name());
filter->set_mitm_software_name("UwS");
error_assistant()->SetErrorAssistantProto(std::move(config_proto));
EXPECT_FALSE(error_assistant()->MatchDynamicInterstitial(ssl_info()));
}
// Test for a dynamic interstitial with an issuer common name regex mismatch.
TEST_F(SSLErrorAssistantTest, DynamicInterstitialListCommonNameMismatch) {
ASSERT_TRUE(embedded_test_server()->Start());
EXPECT_EQ(1u, ssl_info().public_key_hashes.size());
auto config_proto =
std::make_unique<chrome_browser_ssl::SSLErrorAssistantConfig>();
config_proto->set_version_id(kLargeVersionId);
chrome_browser_ssl::DynamicInterstitial* filter =
config_proto->add_dynamic_interstitial();
filter->set_interstitial_type(
chrome_browser_ssl::DynamicInterstitial::INTERSTITIAL_PAGE_SSL);
filter->set_cert_error(
chrome_browser_ssl::DynamicInterstitial::UNKNOWN_CERT_ERROR);
filter->add_sha256_hash("sha256/nuthatch");
filter->add_sha256_hash(ssl_info().public_key_hashes[0].ToString());
filter->add_sha256_hash("sha256/treecreeper");
filter->set_issuer_common_name_regex("beeeater");
filter->set_issuer_organization_regex(issuer_organization_name());
filter->set_mitm_software_name("UwS");
error_assistant()->SetErrorAssistantProto(std::move(config_proto));
EXPECT_FALSE(error_assistant()->MatchDynamicInterstitial(ssl_info()));
}
// Test for a dynamic interstitial with an issuer organization regex mismatch.
TEST_F(SSLErrorAssistantTest, DynamicInterstitialListOrganizationMismatch) {
ASSERT_TRUE(embedded_test_server()->Start());
EXPECT_EQ(1u, ssl_info().public_key_hashes.size());
auto config_proto =
std::make_unique<chrome_browser_ssl::SSLErrorAssistantConfig>();
config_proto->set_version_id(kLargeVersionId);
chrome_browser_ssl::DynamicInterstitial* filter =
config_proto->add_dynamic_interstitial();
filter->set_interstitial_type(
chrome_browser_ssl::DynamicInterstitial::INTERSTITIAL_PAGE_SSL);
filter->set_cert_error(
chrome_browser_ssl::DynamicInterstitial::UNKNOWN_CERT_ERROR);
filter->add_sha256_hash("sha256/nuthatch");
filter->add_sha256_hash(ssl_info().public_key_hashes[0].ToString());
filter->add_sha256_hash("sha256/treecreeper");
filter->set_issuer_common_name_regex(issuer_common_name());
filter->set_issuer_organization_regex("beeeater");
filter->set_mitm_software_name("UwS");
error_assistant()->SetErrorAssistantProto(std::move(config_proto));
EXPECT_FALSE(error_assistant()->MatchDynamicInterstitial(ssl_info()));
}
// Tests that a dynamic interstitial is not triggered if the error thrown
// is overridable and the show_only_for_nonoverridable_errors flag is set.
TEST_F(SSLErrorAssistantTest, DynamicInterstitialListOverridable) {
ASSERT_TRUE(embedded_test_server()->Start());
EXPECT_EQ(1u, ssl_info().public_key_hashes.size());
auto config_proto =
std::make_unique<chrome_browser_ssl::SSLErrorAssistantConfig>();
config_proto->set_version_id(kLargeVersionId);
// Add a dynamic interstitial that would match, except that the
// show_only_for_nonoverridable_errors flag is set.
chrome_browser_ssl::DynamicInterstitial* filter =
config_proto->add_dynamic_interstitial();
filter->set_interstitial_type(
chrome_browser_ssl::DynamicInterstitial::INTERSTITIAL_PAGE_SSL);
filter->set_cert_error(
chrome_browser_ssl::DynamicInterstitial::ERR_CERT_COMMON_NAME_INVALID);
filter->add_sha256_hash("sha256/nuthatch");
filter->add_sha256_hash(ssl_info().public_key_hashes[0].ToString());
filter->add_sha256_hash("sha256/treecreeper");
filter->set_mitm_software_name("UwS");
filter->set_issuer_common_name_regex("[0-9]+.0.[0-9]+.1");
filter->set_issuer_organization_regex("T[a-z]+t CA");
filter->set_show_only_for_nonoverridable_errors(true);
error_assistant()->SetErrorAssistantProto(std::move(config_proto));
EXPECT_FALSE(error_assistant()->MatchDynamicInterstitial(ssl_info(), true));
}
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