mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
257 lines
8.5 KiB
C++
257 lines
8.5 KiB
C++
/*- *- 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 code is made available to you under your choice of the following sets
|
|
* of licensing terms:
|
|
*/
|
|
/* 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/.
|
|
*/
|
|
/* Copyright 2013 Mozilla Contributors
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#include "pkix/pkixnss.h"
|
|
|
|
#include <limits>
|
|
|
|
#include "cert.h"
|
|
#include "cryptohi.h"
|
|
#include "keyhi.h"
|
|
#include "pk11pub.h"
|
|
#include "pkix/pkix.h"
|
|
#include "pkix/ScopedPtr.h"
|
|
#include "secerr.h"
|
|
#include "sslerr.h"
|
|
|
|
namespace mozilla { namespace pkix {
|
|
|
|
typedef ScopedPtr<SECKEYPublicKey, SECKEY_DestroyPublicKey> ScopedSECKeyPublicKey;
|
|
|
|
static Result
|
|
CheckPublicKeySize(Input subjectPublicKeyInfo, unsigned int minimumNonECCBits,
|
|
/*out*/ ScopedSECKeyPublicKey& publicKey)
|
|
{
|
|
SECItem subjectPublicKeyInfoSECItem =
|
|
UnsafeMapInputToSECItem(subjectPublicKeyInfo);
|
|
ScopedPtr<CERTSubjectPublicKeyInfo, SECKEY_DestroySubjectPublicKeyInfo>
|
|
spki(SECKEY_DecodeDERSubjectPublicKeyInfo(&subjectPublicKeyInfoSECItem));
|
|
if (!spki) {
|
|
return MapPRErrorCodeToResult(PR_GetError());
|
|
}
|
|
publicKey = SECKEY_ExtractPublicKey(spki.get());
|
|
if (!publicKey) {
|
|
return MapPRErrorCodeToResult(PR_GetError());
|
|
}
|
|
|
|
switch (publicKey.get()->keyType) {
|
|
case ecKey:
|
|
// TODO(bug 1077790): We should check which curve.
|
|
return Success;
|
|
case rsaKey:
|
|
if (SECKEY_PublicKeyStrengthInBits(publicKey.get()) < minimumNonECCBits) {
|
|
return Result::ERROR_INADEQUATE_KEY_SIZE;
|
|
}
|
|
break;
|
|
case dsaKey: // fall through
|
|
case nullKey: // fall through
|
|
case fortezzaKey: // fall through
|
|
case dhKey: // fall through
|
|
case keaKey: // fall through
|
|
case rsaPssKey: // fall through
|
|
case rsaOaepKey: // fall through
|
|
default:
|
|
return Result::ERROR_UNSUPPORTED_KEYALG;
|
|
}
|
|
|
|
return Success;
|
|
}
|
|
|
|
Result
|
|
CheckPublicKeyNSS(Input subjectPublicKeyInfo, unsigned int minimumNonECCBits)
|
|
{
|
|
ScopedSECKeyPublicKey unused;
|
|
return CheckPublicKeySize(subjectPublicKeyInfo, minimumNonECCBits, unused);
|
|
}
|
|
|
|
Result
|
|
VerifySignedDataNSS(const SignedDataWithSignature& sd,
|
|
Input subjectPublicKeyInfo, unsigned int minimumNonECCBits,
|
|
void* pkcs11PinArg)
|
|
{
|
|
SECOidTag pubKeyAlg;
|
|
SECOidTag digestAlg;
|
|
switch (sd.algorithm) {
|
|
case SignatureAlgorithm::ecdsa_with_sha512:
|
|
pubKeyAlg = SEC_OID_ANSIX962_EC_PUBLIC_KEY;
|
|
digestAlg = SEC_OID_SHA512;
|
|
break;
|
|
case SignatureAlgorithm::ecdsa_with_sha384:
|
|
pubKeyAlg = SEC_OID_ANSIX962_EC_PUBLIC_KEY;
|
|
digestAlg = SEC_OID_SHA384;
|
|
break;
|
|
case SignatureAlgorithm::ecdsa_with_sha256:
|
|
pubKeyAlg = SEC_OID_ANSIX962_EC_PUBLIC_KEY;
|
|
digestAlg = SEC_OID_SHA256;
|
|
break;
|
|
case SignatureAlgorithm::ecdsa_with_sha1:
|
|
pubKeyAlg = SEC_OID_ANSIX962_EC_PUBLIC_KEY;
|
|
digestAlg = SEC_OID_SHA1;
|
|
break;
|
|
case SignatureAlgorithm::rsa_pkcs1_with_sha512:
|
|
pubKeyAlg = SEC_OID_PKCS1_RSA_ENCRYPTION;
|
|
digestAlg = SEC_OID_SHA512;
|
|
break;
|
|
case SignatureAlgorithm::rsa_pkcs1_with_sha384:
|
|
pubKeyAlg = SEC_OID_PKCS1_RSA_ENCRYPTION;
|
|
digestAlg = SEC_OID_SHA384;
|
|
break;
|
|
case SignatureAlgorithm::rsa_pkcs1_with_sha256:
|
|
pubKeyAlg = SEC_OID_PKCS1_RSA_ENCRYPTION;
|
|
digestAlg = SEC_OID_SHA256;
|
|
break;
|
|
case SignatureAlgorithm::rsa_pkcs1_with_sha1:
|
|
pubKeyAlg = SEC_OID_PKCS1_RSA_ENCRYPTION;
|
|
digestAlg = SEC_OID_SHA1;
|
|
break;
|
|
case SignatureAlgorithm::unsupported_algorithm: // fall through
|
|
default:
|
|
return NotReached("unknown signature algorithm",
|
|
Result::ERROR_CERT_SIGNATURE_ALGORITHM_DISABLED);
|
|
}
|
|
|
|
Result rv;
|
|
ScopedSECKeyPublicKey pubKey;
|
|
rv = CheckPublicKeySize(subjectPublicKeyInfo, minimumNonECCBits, pubKey);
|
|
if (rv != Success) {
|
|
return rv;
|
|
}
|
|
|
|
// The static_cast is safe as long as the length of the data in sd.data can
|
|
// fit in an int. Right now that length is stored as a uint16_t, so this
|
|
// works. In the future this may change, hence the assertion.
|
|
// See also bug 921585.
|
|
static_assert(sizeof(decltype(sd.data.GetLength())) < sizeof(int),
|
|
"sd.data.GetLength() must fit in an int");
|
|
SECItem dataSECItem(UnsafeMapInputToSECItem(sd.data));
|
|
SECItem signatureSECItem(UnsafeMapInputToSECItem(sd.signature));
|
|
SECStatus srv = VFY_VerifyDataDirect(dataSECItem.data,
|
|
static_cast<int>(dataSECItem.len),
|
|
pubKey.get(), &signatureSECItem,
|
|
pubKeyAlg, digestAlg, nullptr,
|
|
pkcs11PinArg);
|
|
if (srv != SECSuccess) {
|
|
return MapPRErrorCodeToResult(PR_GetError());
|
|
}
|
|
|
|
return Success;
|
|
}
|
|
|
|
Result
|
|
DigestBufNSS(Input item, /*out*/ uint8_t* digestBuf, size_t digestBufLen)
|
|
{
|
|
static_assert(TrustDomain::DIGEST_LENGTH == SHA1_LENGTH,
|
|
"TrustDomain::DIGEST_LENGTH must be 20 (SHA-1 digest length)");
|
|
if (digestBufLen != TrustDomain::DIGEST_LENGTH) {
|
|
return NotReached("invalid hash length", Result::FATAL_ERROR_INVALID_ARGS);
|
|
}
|
|
SECItem itemSECItem = UnsafeMapInputToSECItem(item);
|
|
if (itemSECItem.len >
|
|
static_cast<decltype(itemSECItem.len)>(
|
|
std::numeric_limits<int32_t>::max())) {
|
|
PR_NOT_REACHED("large items should not be possible here");
|
|
return Result::FATAL_ERROR_INVALID_ARGS;
|
|
}
|
|
SECStatus srv = PK11_HashBuf(SEC_OID_SHA1, digestBuf, itemSECItem.data,
|
|
static_cast<int32_t>(itemSECItem.len));
|
|
if (srv != SECSuccess) {
|
|
return MapPRErrorCodeToResult(PR_GetError());
|
|
}
|
|
return Success;
|
|
}
|
|
|
|
Result
|
|
MapPRErrorCodeToResult(PRErrorCode error)
|
|
{
|
|
switch (error)
|
|
{
|
|
#define MOZILLA_PKIX_MAP(mozilla_pkix_result, value, nss_result) \
|
|
case nss_result: return Result::mozilla_pkix_result;
|
|
|
|
MOZILLA_PKIX_MAP_LIST
|
|
|
|
#undef MOZILLA_PKIX_MAP
|
|
|
|
default:
|
|
return Result::ERROR_UNKNOWN_ERROR;
|
|
}
|
|
}
|
|
|
|
PRErrorCode
|
|
MapResultToPRErrorCode(Result result)
|
|
{
|
|
switch (result)
|
|
{
|
|
#define MOZILLA_PKIX_MAP(mozilla_pkix_result, value, nss_result) \
|
|
case Result::mozilla_pkix_result: return nss_result;
|
|
|
|
MOZILLA_PKIX_MAP_LIST
|
|
|
|
#undef MOZILLA_PKIX_MAP
|
|
|
|
default:
|
|
PR_NOT_REACHED("Unknown error code in MapResultToPRErrorCode");
|
|
return SEC_ERROR_LIBRARY_FAILURE;
|
|
}
|
|
}
|
|
|
|
void
|
|
RegisterErrorTable()
|
|
{
|
|
// Note that these error strings are not localizable.
|
|
// When these strings change, update the localization information too.
|
|
static const struct PRErrorMessage ErrorTableText[] = {
|
|
{ "MOZILLA_PKIX_ERROR_KEY_PINNING_FAILURE",
|
|
"The server uses key pinning (HPKP) but no trusted certificate chain "
|
|
"could be constructed that matches the pinset. Key pinning violations "
|
|
"cannot be overridden." },
|
|
{ "MOZILLA_PKIX_ERROR_CA_CERT_USED_AS_END_ENTITY",
|
|
"The server uses a certificate with a basic constraints extension "
|
|
"identifying it as a certificate authority. For a properly-issued "
|
|
"certificate, this should not be the case." },
|
|
{ "MOZILLA_PKIX_ERROR_INADEQUATE_KEY_SIZE",
|
|
"The server presented a certificate with a key size that is too small "
|
|
"to establish a secure connection." },
|
|
{ "MOZILLA_PKIX_ERROR_V1_CERT_USED_AS_CA",
|
|
"An X.509 version 1 certificate that is not a trust anchor was used to "
|
|
"issue the server's certificate. X.509 version 1 certificates are "
|
|
"deprecated and should not be used to sign other certificates." },
|
|
{ "MOZILLA_PKIX_ERROR_NO_RFC822NAME_MATCH",
|
|
"The certificate is not valid for the given email address." },
|
|
};
|
|
// Note that these error strings are not localizable.
|
|
// When these strings change, update the localization information too.
|
|
|
|
static const struct PRErrorTable ErrorTable = {
|
|
ErrorTableText,
|
|
"pkixerrors",
|
|
ERROR_BASE,
|
|
PR_ARRAY_SIZE(ErrorTableText)
|
|
};
|
|
|
|
(void) PR_ErrorInstallTable(&ErrorTable);
|
|
}
|
|
|
|
} } // namespace mozilla::pkix
|