diff options
Diffstat (limited to 'security/manager/ssl/tests/unit/test_cert_overrides.js')
| -rw-r--r-- | security/manager/ssl/tests/unit/test_cert_overrides.js | 340 |
1 files changed, 340 insertions, 0 deletions
diff --git a/security/manager/ssl/tests/unit/test_cert_overrides.js b/security/manager/ssl/tests/unit/test_cert_overrides.js new file mode 100644 index 000000000..038ca814f --- /dev/null +++ b/security/manager/ssl/tests/unit/test_cert_overrides.js @@ -0,0 +1,340 @@ +// -*- indent-tabs-mode: nil; js-indent-level: 2 -*- +// This Source Code Form is subject to the terms of the Mozilla Public +// License, v. 2.0. If a copy of the MPL was not distributed with this +// file, You can obtain one at http://mozilla.org/MPL/2.0/. +"use strict"; + +// Tests the certificate overrides we allow. +// add_cert_override_test will queue a test that does the following: +// 1. Attempt to connect to the given host. This should fail with the +// given error and override bits. +// 2. Add an override for that host/port/certificate/override bits. +// 3. Connect again. This should succeed. + +do_get_profile(); + +function check_telemetry() { + let histogram = Cc["@mozilla.org/base/telemetry;1"] + .getService(Ci.nsITelemetry) + .getHistogramById("SSL_CERT_ERROR_OVERRIDES") + .snapshot(); + equal(histogram.counts[0], 0, "Should have 0 unclassified counts"); + equal(histogram.counts[2], 8, + "Actual and expected SEC_ERROR_UNKNOWN_ISSUER counts should match"); + equal(histogram.counts[3], 1, + "Actual and expected SEC_ERROR_CA_CERT_INVALID counts should match"); + equal(histogram.counts[4], 0, + "Actual and expected SEC_ERROR_UNTRUSTED_ISSUER counts should match"); + equal(histogram.counts[5], 1, + "Actual and expected SEC_ERROR_EXPIRED_ISSUER_CERTIFICATE counts should match"); + equal(histogram.counts[6], 0, + "Actual and expected SEC_ERROR_UNTRUSTED_CERT counts should match"); + equal(histogram.counts[7], 0, + "Actual and expected SEC_ERROR_INADEQUATE_KEY_USAGE counts should match"); + equal(histogram.counts[8], 2, + "Actual and expected SEC_ERROR_CERT_SIGNATURE_ALGORITHM_DISABLED counts should match"); + equal(histogram.counts[9], 10, + "Actual and expected SSL_ERROR_BAD_CERT_DOMAIN counts should match"); + equal(histogram.counts[10], 5, + "Actual and expected SEC_ERROR_EXPIRED_CERTIFICATE counts should match"); + equal(histogram.counts[11], 2, + "Actual and expected MOZILLA_PKIX_ERROR_CA_CERT_USED_AS_END_ENTITY counts should match"); + equal(histogram.counts[12], 1, + "Actual and expected MOZILLA_PKIX_ERROR_V1_CERT_USED_AS_CA counts should match"); + equal(histogram.counts[13], 1, + "Actual and expected MOZILLA_PKIX_ERROR_INADEQUATE_KEY_SIZE counts should match"); + equal(histogram.counts[14], 2, + "Actual and expected MOZILLA_PKIX_ERROR_NOT_YET_VALID_CERTIFICATE counts should match"); + equal(histogram.counts[15], 1, + "Actual and expected MOZILLA_PKIX_ERROR_NOT_YET_VALID_ISSUER_CERTIFICATE counts should match"); + equal(histogram.counts[16], 2, + "Actual and expected SEC_ERROR_INVALID_TIME counts should match"); + equal(histogram.counts[17], 1, + "Actual and expected MOZILLA_PKIX_ERROR_EMPTY_ISSUER_NAME counts should match"); + + let keySizeHistogram = Cc["@mozilla.org/base/telemetry;1"] + .getService(Ci.nsITelemetry) + .getHistogramById("CERT_CHAIN_KEY_SIZE_STATUS") + .snapshot(); + equal(keySizeHistogram.counts[0], 0, + "Actual and expected unchecked key size counts should match"); + equal(keySizeHistogram.counts[1], 12, + "Actual and expected successful verifications of 2048-bit keys should match"); + equal(keySizeHistogram.counts[2], 0, + "Actual and expected successful verifications of 1024-bit keys should match"); + equal(keySizeHistogram.counts[3], 58, + "Actual and expected verification failures unrelated to key size should match"); + + run_next_test(); +} + +// Internally, specifying "port" -1 is the same as port 443. This tests that. +function run_port_equivalency_test(inPort, outPort) { + Assert.ok((inPort == 443 && outPort == -1) || (inPort == -1 && outPort == 443), + "The two specified ports must be -1 and 443 (in any order)"); + let certOverrideService = Cc["@mozilla.org/security/certoverride;1"] + .getService(Ci.nsICertOverrideService); + let cert = constructCertFromFile("bad_certs/default-ee.pem"); + let expectedBits = Ci.nsICertOverrideService.ERROR_UNTRUSTED; + let expectedTemporary = true; + certOverrideService.rememberValidityOverride("example.com", inPort, cert, + expectedBits, expectedTemporary); + let actualBits = {}; + let actualTemporary = {}; + Assert.ok(certOverrideService.hasMatchingOverride("example.com", outPort, + cert, actualBits, + actualTemporary), + `override set on port ${inPort} should match port ${outPort}`); + equal(actualBits.value, expectedBits, + "input override bits should match output bits"); + equal(actualTemporary.value, expectedTemporary, + "input override temporary value should match output temporary value"); + Assert.ok(!certOverrideService.hasMatchingOverride("example.com", 563, + cert, {}, {}), + `override set on port ${inPort} should not match port 563`); + certOverrideService.clearValidityOverride("example.com", inPort); + Assert.ok(!certOverrideService.hasMatchingOverride("example.com", outPort, + cert, actualBits, {}), + `override cleared on port ${inPort} should match port ${outPort}`); + equal(actualBits.value, 0, "should have no bits set if there is no override"); +} + +function run_test() { + run_port_equivalency_test(-1, 443); + run_port_equivalency_test(443, -1); + + Services.prefs.setIntPref("security.OCSP.enabled", 1); + add_tls_server_setup("BadCertServer", "bad_certs"); + + let fakeOCSPResponder = new HttpServer(); + fakeOCSPResponder.registerPrefixHandler("/", function (request, response) { + response.setStatusLine(request.httpVersion, 500, "Internal Server Error"); + }); + fakeOCSPResponder.start(8888); + + add_simple_tests(); + add_combo_tests(); + add_distrust_tests(); + + add_test(function () { + fakeOCSPResponder.stop(check_telemetry); + }); + + run_next_test(); +} + +function add_simple_tests() { + add_cert_override_test("expired.example.com", + Ci.nsICertOverrideService.ERROR_TIME, + SEC_ERROR_EXPIRED_CERTIFICATE); + add_cert_override_test("notyetvalid.example.com", + Ci.nsICertOverrideService.ERROR_TIME, + MOZILLA_PKIX_ERROR_NOT_YET_VALID_CERTIFICATE); + add_cert_override_test("before-epoch.example.com", + Ci.nsICertOverrideService.ERROR_TIME, + SEC_ERROR_INVALID_TIME); + add_cert_override_test("selfsigned.example.com", + Ci.nsICertOverrideService.ERROR_UNTRUSTED, + SEC_ERROR_UNKNOWN_ISSUER); + add_cert_override_test("unknownissuer.example.com", + Ci.nsICertOverrideService.ERROR_UNTRUSTED, + SEC_ERROR_UNKNOWN_ISSUER); + add_cert_override_test("expiredissuer.example.com", + Ci.nsICertOverrideService.ERROR_UNTRUSTED, + SEC_ERROR_EXPIRED_ISSUER_CERTIFICATE); + add_cert_override_test("notyetvalidissuer.example.com", + Ci.nsICertOverrideService.ERROR_UNTRUSTED, + MOZILLA_PKIX_ERROR_NOT_YET_VALID_ISSUER_CERTIFICATE); + add_cert_override_test("before-epoch-issuer.example.com", + Ci.nsICertOverrideService.ERROR_TIME, + SEC_ERROR_INVALID_TIME); + add_cert_override_test("md5signature.example.com", + Ci.nsICertOverrideService.ERROR_UNTRUSTED, + SEC_ERROR_CERT_SIGNATURE_ALGORITHM_DISABLED); + add_cert_override_test("emptyissuername.example.com", + Ci.nsICertOverrideService.ERROR_UNTRUSTED, + MOZILLA_PKIX_ERROR_EMPTY_ISSUER_NAME); + // This has name information in the subject alternative names extension, + // but not the subject common name. + add_cert_override_test("mismatch.example.com", + Ci.nsICertOverrideService.ERROR_MISMATCH, + SSL_ERROR_BAD_CERT_DOMAIN, + /The certificate is only valid for the following names:\s*doesntmatch\.example\.com, \*\.alsodoesntmatch\.example\.com/); + // This has name information in the subject common name but not the subject + // alternative names extension. + add_cert_override_test("mismatch-CN.example.com", + Ci.nsICertOverrideService.ERROR_MISMATCH, + SSL_ERROR_BAD_CERT_DOMAIN, + /The certificate is not valid for the name mismatch-CN\.example\.com/); + + // A Microsoft IIS utility generates self-signed certificates with + // properties similar to the one this "host" will present. + add_cert_override_test("selfsigned-inadequateEKU.example.com", + Ci.nsICertOverrideService.ERROR_UNTRUSTED, + SEC_ERROR_UNKNOWN_ISSUER); + + add_prevented_cert_override_test("inadequatekeyusage.example.com", + Ci.nsICertOverrideService.ERROR_UNTRUSTED, + SEC_ERROR_INADEQUATE_KEY_USAGE); + + // This is intended to test the case where a verification has failed for one + // overridable reason (e.g. unknown issuer) but then, in the process of + // reporting that error, a non-overridable error is encountered. The + // non-overridable error should be prioritized. + add_test(function() { + let rootCert = constructCertFromFile("bad_certs/test-ca.pem"); + setCertTrust(rootCert, ",,"); + run_next_test(); + }); + add_prevented_cert_override_test("nsCertTypeCritical.example.com", + Ci.nsICertOverrideService.ERROR_UNTRUSTED, + SEC_ERROR_UNKNOWN_CRITICAL_EXTENSION); + add_test(function() { + let rootCert = constructCertFromFile("bad_certs/test-ca.pem"); + setCertTrust(rootCert, "CTu,,"); + run_next_test(); + }); + + // Bug 990603: Apache documentation has recommended generating a self-signed + // test certificate with basic constraints: CA:true. For compatibility, this + // is a scenario in which an override is allowed. + add_cert_override_test("self-signed-end-entity-with-cA-true.example.com", + Ci.nsICertOverrideService.ERROR_UNTRUSTED, + SEC_ERROR_UNKNOWN_ISSUER); + + add_cert_override_test("ca-used-as-end-entity.example.com", + Ci.nsICertOverrideService.ERROR_UNTRUSTED, + MOZILLA_PKIX_ERROR_CA_CERT_USED_AS_END_ENTITY); + + // If an X.509 version 1 certificate is not a trust anchor, we will + // encounter an overridable error. + add_cert_override_test("end-entity-issued-by-v1-cert.example.com", + Ci.nsICertOverrideService.ERROR_UNTRUSTED, + MOZILLA_PKIX_ERROR_V1_CERT_USED_AS_CA); + // If we make that certificate a trust anchor, the connection will succeed. + add_test(function() { + let certOverrideService = Cc["@mozilla.org/security/certoverride;1"] + .getService(Ci.nsICertOverrideService); + certOverrideService.clearValidityOverride("end-entity-issued-by-v1-cert.example.com", 8443); + let v1Cert = constructCertFromFile("bad_certs/v1Cert.pem"); + setCertTrust(v1Cert, "CTu,,"); + clearSessionCache(); + run_next_test(); + }); + add_connection_test("end-entity-issued-by-v1-cert.example.com", + PRErrorCodeSuccess); + // Reset the trust for that certificate. + add_test(function() { + let v1Cert = constructCertFromFile("bad_certs/v1Cert.pem"); + setCertTrust(v1Cert, ",,"); + clearSessionCache(); + run_next_test(); + }); + + // Due to compatibility issues, we allow overrides for certificates issued by + // certificates that are not valid CAs. + add_cert_override_test("end-entity-issued-by-non-CA.example.com", + Ci.nsICertOverrideService.ERROR_UNTRUSTED, + SEC_ERROR_CA_CERT_INVALID); + + // This host presents a 1016-bit RSA key. + add_cert_override_test("inadequate-key-size-ee.example.com", + Ci.nsICertOverrideService.ERROR_UNTRUSTED, + MOZILLA_PKIX_ERROR_INADEQUATE_KEY_SIZE); + + add_cert_override_test("ipAddressAsDNSNameInSAN.example.com", + Ci.nsICertOverrideService.ERROR_MISMATCH, + SSL_ERROR_BAD_CERT_DOMAIN); + add_cert_override_test("noValidNames.example.com", + Ci.nsICertOverrideService.ERROR_MISMATCH, + SSL_ERROR_BAD_CERT_DOMAIN, + /The certificate is not valid for the name noValidNames\.example\.com/); + add_cert_override_test("badSubjectAltNames.example.com", + Ci.nsICertOverrideService.ERROR_MISMATCH, + SSL_ERROR_BAD_CERT_DOMAIN); + + add_cert_override_test("bug413909.xn--hxajbheg2az3al.xn--jxalpdlp", + Ci.nsICertOverrideService.ERROR_UNTRUSTED, + SEC_ERROR_UNKNOWN_ISSUER); + add_test(function() { + // At this point, the override for bug413909.xn--hxajbheg2az3al.xn--jxalpdlp + // is still valid. Do some additional tests relating to IDN handling. + let certOverrideService = Cc["@mozilla.org/security/certoverride;1"] + .getService(Ci.nsICertOverrideService); + let uri = Services.io.newURI("https://bug413909.xn--hxajbheg2az3al.xn--jxalpdlp", null, null); + let cert = constructCertFromFile("bad_certs/idn-certificate.pem"); + Assert.ok(certOverrideService.hasMatchingOverride(uri.asciiHost, 8443, cert, {}, {}), + "IDN certificate should have matching override using ascii host"); + Assert.ok(!certOverrideService.hasMatchingOverride(uri.host, 8443, cert, {}, {}), + "IDN certificate should not have matching override using (non-ascii) host"); + run_next_test(); + }); +} + +function add_combo_tests() { + add_cert_override_test("mismatch-expired.example.com", + Ci.nsICertOverrideService.ERROR_MISMATCH | + Ci.nsICertOverrideService.ERROR_TIME, + SSL_ERROR_BAD_CERT_DOMAIN, + /The certificate is only valid for <a id="cert_domain_link" title="doesntmatch\.example\.com">doesntmatch\.example\.com<\/a>/); + add_cert_override_test("mismatch-notYetValid.example.com", + Ci.nsICertOverrideService.ERROR_MISMATCH | + Ci.nsICertOverrideService.ERROR_TIME, + SSL_ERROR_BAD_CERT_DOMAIN); + add_cert_override_test("mismatch-untrusted.example.com", + Ci.nsICertOverrideService.ERROR_MISMATCH | + Ci.nsICertOverrideService.ERROR_UNTRUSTED, + SEC_ERROR_UNKNOWN_ISSUER); + add_cert_override_test("untrusted-expired.example.com", + Ci.nsICertOverrideService.ERROR_UNTRUSTED | + Ci.nsICertOverrideService.ERROR_TIME, + SEC_ERROR_UNKNOWN_ISSUER); + add_cert_override_test("mismatch-untrusted-expired.example.com", + Ci.nsICertOverrideService.ERROR_MISMATCH | + Ci.nsICertOverrideService.ERROR_UNTRUSTED | + Ci.nsICertOverrideService.ERROR_TIME, + SEC_ERROR_UNKNOWN_ISSUER); + + add_cert_override_test("md5signature-expired.example.com", + Ci.nsICertOverrideService.ERROR_UNTRUSTED | + Ci.nsICertOverrideService.ERROR_TIME, + SEC_ERROR_CERT_SIGNATURE_ALGORITHM_DISABLED); + + add_cert_override_test("ca-used-as-end-entity-name-mismatch.example.com", + Ci.nsICertOverrideService.ERROR_MISMATCH | + Ci.nsICertOverrideService.ERROR_UNTRUSTED, + MOZILLA_PKIX_ERROR_CA_CERT_USED_AS_END_ENTITY); +} + +function add_distrust_tests() { + // Before we specifically distrust this certificate, it should be trusted. + add_connection_test("untrusted.example.com", PRErrorCodeSuccess); + + add_distrust_test("bad_certs/default-ee.pem", "untrusted.example.com", + SEC_ERROR_UNTRUSTED_CERT); + + add_distrust_test("bad_certs/other-test-ca.pem", + "untrustedissuer.example.com", SEC_ERROR_UNTRUSTED_ISSUER); + + add_distrust_test("bad_certs/test-ca.pem", + "ca-used-as-end-entity.example.com", + SEC_ERROR_UNTRUSTED_ISSUER); +} + +function add_distrust_test(certFileName, hostName, expectedResult) { + let certToDistrust = constructCertFromFile(certFileName); + + add_test(function () { + // Add an entry to the NSS certDB that says to distrust the cert + setCertTrust(certToDistrust, "pu,,"); + clearSessionCache(); + run_next_test(); + }); + add_prevented_cert_override_test(hostName, + Ci.nsICertOverrideService.ERROR_UNTRUSTED, + expectedResult); + add_test(function () { + setCertTrust(certToDistrust, "u,,"); + run_next_test(); + }); +} |