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72f638a9a2
Using CRYPTO_BUFFERs instead of legacy X509 objects offers memory and security gains, and will provide binary size improvements as well once the default list of built-in certificates can be removed; the code dealing with them still depends on the X509 API. Implemented by splitting openssl_identity and openssl_certificate into BoringSSL and vanilla OpenSSL implementations. Bug: webrtc:11410 Change-Id: Idc043462faac5e4ab1b75bedab2057197f80aba6 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/174120 Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Reviewed-by: David Benjamin <davidben@webrtc.org> Reviewed-by: Harald Alvestrand <hta@webrtc.org> Commit-Queue: Taylor <deadbeef@webrtc.org> Cr-Commit-Position: refs/heads/master@{#32811}
58 lines
2.2 KiB
C++
58 lines
2.2 KiB
C++
/*
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* Copyright 2018 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef RTC_BASE_OPENSSL_UTILITY_H_
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#define RTC_BASE_OPENSSL_UTILITY_H_
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#include <openssl/ossl_typ.h>
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#include <string>
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namespace rtc {
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// The openssl namespace holds static helper methods. All methods related
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// to OpenSSL that are commonly used and don't require global state should be
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// placed here.
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namespace openssl {
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#ifdef OPENSSL_IS_BORINGSSL
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// Does minimal parsing of a certificate (only verifying the presence of major
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// fields), primarily for the purpose of extracting the relevant out
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// parameters. Any that the caller is uninterested in can be null.
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bool ParseCertificate(CRYPTO_BUFFER* cert_buffer,
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CBS* signature_algorithm_oid,
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int64_t* expiration_time);
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#endif
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// Verifies that the hostname provided matches that in the peer certificate
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// attached to this SSL state.
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// TODO(crbug.com/webrtc/11710): When OS certificate verification is available,
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// skip compiling this as it adds a dependency on OpenSSL X509 objects, which we
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// are trying to avoid in favor of CRYPTO_BUFFERs (see crbug.com/webrtc/11410).
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bool VerifyPeerCertMatchesHost(SSL* ssl, const std::string& host);
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// Logs all the errors in the OpenSSL errror queue from the current thread. A
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// prefix can be provided for context.
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void LogSSLErrors(const std::string& prefix);
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#ifndef WEBRTC_EXCLUDE_BUILT_IN_SSL_ROOT_CERTS
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// Attempt to add the certificates from the loader into the SSL_CTX. False is
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// returned only if there are no certificates returned from the loader or none
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// of them can be added to the TrustStore for the provided context.
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bool LoadBuiltinSSLRootCertificates(SSL_CTX* ssl_ctx);
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#endif // WEBRTC_EXCLUDE_BUILT_IN_SSL_ROOT_CERTS
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#ifdef OPENSSL_IS_BORINGSSL
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CRYPTO_BUFFER_POOL* GetBufferPool();
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#endif
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} // namespace openssl
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} // namespace rtc
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#endif // RTC_BASE_OPENSSL_UTILITY_H_
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