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81 lines
3.0 KiB
C
81 lines
3.0 KiB
C
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// Copyright 2017 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef NET_CERT_X509_UTIL_WIN_H_
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#define NET_CERT_X509_UTIL_WIN_H_
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#include <memory>
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#include <vector>
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#include <windows.h>
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#include "base/memory/ref_counted.h"
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#include "crypto/wincrypt_shim.h"
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#include "net/base/hash_value.h"
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#include "net/base/net_export.h"
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#include "net/cert/x509_certificate.h"
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namespace net {
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struct FreeCertContextFunctor {
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void operator()(PCCERT_CONTEXT context) const {
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if (context)
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CertFreeCertificateContext(context);
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}
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};
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using ScopedPCCERT_CONTEXT =
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std::unique_ptr<const CERT_CONTEXT, FreeCertContextFunctor>;
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namespace x509_util {
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// Creates an X509Certificate representing |os_cert| with intermediates
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// |os_chain|.
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NET_EXPORT scoped_refptr<X509Certificate> CreateX509CertificateFromCertContexts(
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PCCERT_CONTEXT os_cert,
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const std::vector<PCCERT_CONTEXT>& os_chain);
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// Creates an X509Certificate with non-standard parsing options.
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// Do not use without consulting //net owners.
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NET_EXPORT scoped_refptr<X509Certificate> CreateX509CertificateFromCertContexts(
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PCCERT_CONTEXT os_cert,
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const std::vector<PCCERT_CONTEXT>& os_chain,
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X509Certificate::UnsafeCreateOptions options);
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// Returns a new PCCERT_CONTEXT containing the certificate and its
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// intermediate certificates, or NULL on failure. This function is only
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// necessary if the CERT_CONTEXT.hCertStore member will be accessed or
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// enumerated, which is generally true for any CryptoAPI functions involving
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// certificate chains, including validation or certificate display.
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//
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// While the returned PCCERT_CONTEXT and its HCERTSTORE can safely be used on
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// multiple threads if no further modifications happen, it is generally
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// preferable for each thread that needs such a context to obtain its own,
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// rather than risk thread-safety issues by sharing.
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NET_EXPORT ScopedPCCERT_CONTEXT
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CreateCertContextWithChain(const X509Certificate* cert);
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// Specify behavior if an intermediate certificate fails CERT_CONTEXT parsing.
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// kFail means the function should return a failure result immediately. kIgnore
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// means the invalid intermediate is not added to the output context.
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enum class InvalidIntermediateBehavior { kFail, kIgnore };
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// As CreateCertContextWithChain above, but |invalid_intermediate_behavior|
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// specifies behavior if intermediates of |cert| could not be converted.
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NET_EXPORT ScopedPCCERT_CONTEXT CreateCertContextWithChain(
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const X509Certificate* cert,
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InvalidIntermediateBehavior invalid_intermediate_behavior);
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// Calculates the SHA-256 fingerprint of the certificate. Returns an empty
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// (all zero) fingerprint on failure.
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NET_EXPORT SHA256HashValue CalculateFingerprint256(PCCERT_CONTEXT cert);
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// Returns true if the certificate is self-signed.
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NET_EXPORT bool IsSelfSigned(PCCERT_CONTEXT cert_handle);
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} // namespace x509_util
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} // namespace net
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#endif // NET_CERT_X509_UTIL_WIN_H_
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