mirror of
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148 lines
4.8 KiB
C++
148 lines
4.8 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_psm__CertVerifier_h
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#define mozilla_psm__CertVerifier_h
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#include "mozilla/Telemetry.h"
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#include "pkix/pkixtypes.h"
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#include "OCSPCache.h"
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#include "ScopedNSSTypes.h"
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namespace mozilla { namespace psm {
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// These values correspond to the CERT_CHAIN_KEY_SIZE_STATUS telemetry.
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enum class KeySizeStatus {
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NeverChecked = 0,
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LargeMinimumSucceeded = 1,
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CompatibilityRisk = 2,
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AlreadyBad = 3,
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};
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// These values correspond to the CERT_CHAIN_SIGNATURE_DIGEST telemetry.
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enum class SignatureDigestStatus {
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NeverChecked = 0,
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GoodAlgorithmsOnly = 1,
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WeakEECert = 2,
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WeakCACert = 3,
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WeakCAAndEE = 4,
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AlreadyBad = 5,
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};
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class PinningTelemetryInfo
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{
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public:
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// Should we accumulate pinning telemetry for the result?
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bool accumulateResult;
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Telemetry::ID certPinningResultHistogram;
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int32_t certPinningResultBucket;
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// Should we accumulate telemetry for the root?
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bool accumulateForRoot;
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int32_t rootBucket;
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void Reset() { accumulateForRoot = false; accumulateResult = false; }
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};
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class CertVerifier
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{
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public:
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typedef unsigned int Flags;
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// XXX: FLAG_LOCAL_ONLY is ignored in the classic verification case
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static const Flags FLAG_LOCAL_ONLY;
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// Don't perform fallback DV validation on EV validation failure.
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static const Flags FLAG_MUST_BE_EV;
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// TLS feature request_status should be ignored
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static const Flags FLAG_TLS_IGNORE_STATUS_REQUEST;
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// These values correspond to the SSL_OCSP_STAPLING telemetry.
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enum OCSPStaplingStatus {
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OCSP_STAPLING_NEVER_CHECKED = 0,
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OCSP_STAPLING_GOOD = 1,
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OCSP_STAPLING_NONE = 2,
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OCSP_STAPLING_EXPIRED = 3,
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OCSP_STAPLING_INVALID = 4,
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};
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// *evOidPolicy == SEC_OID_UNKNOWN means the cert is NOT EV
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// Only one usage per verification is supported.
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SECStatus VerifyCert(CERTCertificate* cert,
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SECCertificateUsage usage,
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mozilla::pkix::Time time,
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void* pinArg,
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const char* hostname,
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Flags flags = 0,
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/*optional in*/ const SECItem* stapledOCSPResponse = nullptr,
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/*optional out*/ ScopedCERTCertList* builtChain = nullptr,
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/*optional out*/ SECOidTag* evOidPolicy = nullptr,
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/*optional out*/ OCSPStaplingStatus* ocspStaplingStatus = nullptr,
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/*optional out*/ KeySizeStatus* keySizeStatus = nullptr,
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/*optional out*/ SignatureDigestStatus* sigDigestStatus = nullptr,
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/*optional out*/ PinningTelemetryInfo* pinningTelemetryInfo = nullptr);
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SECStatus VerifySSLServerCert(
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CERTCertificate* peerCert,
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/*optional*/ const SECItem* stapledOCSPResponse,
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mozilla::pkix::Time time,
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/*optional*/ void* pinarg,
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const char* hostname,
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bool saveIntermediatesInPermanentDatabase = false,
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Flags flags = 0,
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/*optional out*/ ScopedCERTCertList* builtChain = nullptr,
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/*optional out*/ SECOidTag* evOidPolicy = nullptr,
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/*optional out*/ OCSPStaplingStatus* ocspStaplingStatus = nullptr,
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/*optional out*/ KeySizeStatus* keySizeStatus = nullptr,
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/*optional out*/ SignatureDigestStatus* sigDigestStatus = nullptr,
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/*optional out*/ PinningTelemetryInfo* pinningTelemetryInfo = nullptr);
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enum PinningMode {
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pinningDisabled = 0,
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pinningAllowUserCAMITM = 1,
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pinningStrict = 2,
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pinningEnforceTestMode = 3
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};
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enum class SHA1Mode {
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Allowed = 0,
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Forbidden = 1,
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OnlyBefore2016 = 2
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};
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enum OcspDownloadConfig {
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ocspOff = 0,
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ocspOn = 1,
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ocspEVOnly = 2
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};
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enum OcspStrictConfig { ocspRelaxed = 0, ocspStrict };
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enum OcspGetConfig { ocspGetDisabled = 0, ocspGetEnabled = 1 };
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CertVerifier(OcspDownloadConfig odc, OcspStrictConfig osc,
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OcspGetConfig ogc, uint32_t certShortLifetimeInDays,
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PinningMode pinningMode, SHA1Mode sha1Mode);
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~CertVerifier();
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void ClearOCSPCache() { mOCSPCache.Clear(); }
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const OcspDownloadConfig mOCSPDownloadConfig;
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const bool mOCSPStrict;
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const bool mOCSPGETEnabled;
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const uint32_t mCertShortLifetimeInDays;
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const PinningMode mPinningMode;
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const SHA1Mode mSHA1Mode;
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private:
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OCSPCache mOCSPCache;
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};
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void InitCertVerifierLog();
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SECStatus IsCertBuiltInRoot(CERTCertificate* cert, bool& result);
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mozilla::pkix::Result CertListContainsExpectedKeys(
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const CERTCertList* certList, const char* hostname, mozilla::pkix::Time time,
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CertVerifier::PinningMode pinningMode);
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} } // namespace mozilla::psm
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#endif // mozilla_psm__CertVerifier_h
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