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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */
#ifndef NSSCertDBTrustDomain_h
#define NSSCertDBTrustDomain_h
#include "CertVerifier.h"
#include "ScopedNSSTypes.h"
#include "mozilla/BasePrincipal.h"
#include "nsICertBlocklist.h"
#include "nsString.h"
#include "pkix/pkixtypes.h"
#include "secmodt.h"
namespace mozilla { namespace psm {
enum class ValidityCheckingMode {
CheckingOff = 0,
CheckForEV = 1,
};
// Policy options for matching id-Netscape-stepUp with id-kp-serverAuth (for CA
// certificates only):
// * Always match: the step-up OID is considered equivalent to serverAuth
// * Match before 23 August 2016: the OID is considered equivalent if the
// certificate's notBefore is before 23 August 2016
// * Match before 23 August 2015: similarly, but for 23 August 2015
// * Never match: the OID is never considered equivalent to serverAuth
enum class NetscapeStepUpPolicy : uint32_t {
AlwaysMatch = 0,
MatchBefore23August2016 = 1,
MatchBefore23August2015 = 2,
NeverMatch = 3,
};
SECStatus InitializeNSS(const nsACString& dir, bool readOnly,
bool loadPKCS11Modules);
void DisableMD5();
extern const char BUILTIN_ROOTS_MODULE_DEFAULT_NAME[];
// The dir parameter is the path to the directory containing the NSS builtin
// roots module. Usually this is the same as the path to the other NSS shared
// libraries. If it is null then the (library) path will be searched.
//
// The modNameUTF8 parameter should usually be
// BUILTIN_ROOTS_MODULE_DEFAULT_NAME.
SECStatus LoadLoadableRoots(/*optional*/ const char* dir,
const char* modNameUTF8);
void UnloadLoadableRoots(const char* modNameUTF8);
nsresult DefaultServerNicknameForCert(const CERTCertificate* cert,
/*out*/ nsCString& nickname);
void SaveIntermediateCerts(const UniqueCERTCertList& certList);
class NSSCertDBTrustDomain : public mozilla::pkix::TrustDomain
{
public:
typedef mozilla::pkix::Result Result;
enum OCSPFetching {
NeverFetchOCSP = 0,
FetchOCSPForDVSoftFail = 1,
FetchOCSPForDVHardFail = 2,
FetchOCSPForEV = 3,
LocalOnlyOCSPForEV = 4,
};
NSSCertDBTrustDomain(SECTrustType certDBTrustType, OCSPFetching ocspFetching,
OCSPCache& ocspCache, void* pinArg,
CertVerifier::OcspGetConfig ocspGETConfig,
uint32_t certShortLifetimeInDays,
CertVerifier::PinningMode pinningMode,
unsigned int minRSABits,
ValidityCheckingMode validityCheckingMode,
CertVerifier::SHA1Mode sha1Mode,
NetscapeStepUpPolicy netscapeStepUpPolicy,
const NeckoOriginAttributes& originAttributes,
UniqueCERTCertList& builtChain,
/*optional*/ const char* hostname = nullptr);
virtual Result FindIssuer(mozilla::pkix::Input encodedIssuerName,
IssuerChecker& checker,
mozilla::pkix::Time time) override;
virtual Result GetCertTrust(mozilla::pkix::EndEntityOrCA endEntityOrCA,
const mozilla::pkix::CertPolicyId& policy,
mozilla::pkix::Input candidateCertDER,
/*out*/ mozilla::pkix::TrustLevel& trustLevel)
override;
virtual Result CheckSignatureDigestAlgorithm(
mozilla::pkix::DigestAlgorithm digestAlg,
mozilla::pkix::EndEntityOrCA endEntityOrCA,
mozilla::pkix::Time notBefore) override;
virtual Result CheckRSAPublicKeyModulusSizeInBits(
mozilla::pkix::EndEntityOrCA endEntityOrCA,
unsigned int modulusSizeInBits) override;
virtual Result VerifyRSAPKCS1SignedDigest(
const mozilla::pkix::SignedDigest& signedDigest,
mozilla::pkix::Input subjectPublicKeyInfo) override;
virtual Result CheckECDSACurveIsAcceptable(
mozilla::pkix::EndEntityOrCA endEntityOrCA,
mozilla::pkix::NamedCurve curve) override;
virtual Result VerifyECDSASignedDigest(
const mozilla::pkix::SignedDigest& signedDigest,
mozilla::pkix::Input subjectPublicKeyInfo) override;
virtual Result DigestBuf(mozilla::pkix::Input item,
mozilla::pkix::DigestAlgorithm digestAlg,
/*out*/ uint8_t* digestBuf,
size_t digestBufLen) override;
virtual Result CheckValidityIsAcceptable(
mozilla::pkix::Time notBefore, mozilla::pkix::Time notAfter,
mozilla::pkix::EndEntityOrCA endEntityOrCA,
mozilla::pkix::KeyPurposeId keyPurpose) override;
virtual Result NetscapeStepUpMatchesServerAuth(
mozilla::pkix::Time notBefore,
/*out*/ bool& matches) override;
virtual Result CheckRevocation(
mozilla::pkix::EndEntityOrCA endEntityOrCA,
const mozilla::pkix::CertID& certID,
mozilla::pkix::Time time,
mozilla::pkix::Duration validityDuration,
/*optional*/ const mozilla::pkix::Input* stapledOCSPResponse,
/*optional*/ const mozilla::pkix::Input* aiaExtension)
override;
virtual Result IsChainValid(const mozilla::pkix::DERArray& certChain,
mozilla::pkix::Time time) override;
virtual void NoteAuxiliaryExtension(
mozilla::pkix::AuxiliaryExtension extension,
mozilla::pkix::Input extensionData) override;
// Resets the OCSP stapling status and SCT lists accumulated during
// the chain building.
void ResetAccumulatedState();
CertVerifier::OCSPStaplingStatus GetOCSPStaplingStatus() const
{
return mOCSPStaplingStatus;
}
// SCT lists (see Certificate Transparency) extracted during
// certificate verification. Note that the returned Inputs are invalidated
// the next time a chain is built and by ResetAccumulatedState method
// (and when the TrustDomain object is destroyed).
mozilla::pkix::Input GetSCTListFromCertificate() const;
mozilla::pkix::Input GetSCTListFromOCSPStapling() const;
private:
enum EncodedResponseSource {
ResponseIsFromNetwork = 1,
ResponseWasStapled = 2
};
Result VerifyAndMaybeCacheEncodedOCSPResponse(
const mozilla::pkix::CertID& certID, mozilla::pkix::Time time,
uint16_t maxLifetimeInDays, mozilla::pkix::Input encodedResponse,
EncodedResponseSource responseSource, /*out*/ bool& expired);
const SECTrustType mCertDBTrustType;
const OCSPFetching mOCSPFetching;
OCSPCache& mOCSPCache; // non-owning!
void* mPinArg; // non-owning!
const CertVerifier::OcspGetConfig mOCSPGetConfig;
const uint32_t mCertShortLifetimeInDays;
CertVerifier::PinningMode mPinningMode;
const unsigned int mMinRSABits;
ValidityCheckingMode mValidityCheckingMode;
CertVerifier::SHA1Mode mSHA1Mode;
NetscapeStepUpPolicy mNetscapeStepUpPolicy;
const NeckoOriginAttributes& mOriginAttributes;
UniqueCERTCertList& mBuiltChain; // non-owning
const char* mHostname; // non-owning - only used for pinning checks
nsCOMPtr<nsICertBlocklist> mCertBlocklist;
CertVerifier::OCSPStaplingStatus mOCSPStaplingStatus;
// Certificate Transparency data extracted during certificate verification
UniqueSECItem mSCTListFromCertificate;
UniqueSECItem mSCTListFromOCSPStapling;
};
} } // namespace mozilla::psm
#endif // NSSCertDBTrustDomain_h
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