Repo created

TMessagesProj/jni/voip/webrtc/rtc_base/openssl_utility.h

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+/*
+ *  Copyright 2018 The WebRTC Project Authors. All rights reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef RTC_BASE_OPENSSL_UTILITY_H_
+#define RTC_BASE_OPENSSL_UTILITY_H_
+
+#include <openssl/ossl_typ.h>
+
+#include <string>
+
+#include "absl/strings/string_view.h"
+
+namespace rtc {
+// The openssl namespace holds static helper methods. All methods related
+// to OpenSSL that are commonly used and don't require global state should be
+// placed here.
+namespace openssl {
+
+#ifdef OPENSSL_IS_BORINGSSL
+// Does minimal parsing of a certificate (only verifying the presence of major
+// fields), primarily for the purpose of extracting the relevant out
+// parameters. Any that the caller is uninterested in can be null.
+bool ParseCertificate(CRYPTO_BUFFER* cert_buffer,
+                      CBS* signature_algorithm_oid,
+                      int64_t* expiration_time);
+#endif
+
+// Verifies that the hostname provided matches that in the peer certificate
+// attached to this SSL state.
+// TODO(crbug.com/webrtc/11710): When OS certificate verification is available,
+// skip compiling this as it adds a dependency on OpenSSL X509 objects, which we
+// are trying to avoid in favor of CRYPTO_BUFFERs (see crbug.com/webrtc/11410).
+bool VerifyPeerCertMatchesHost(SSL* ssl, absl::string_view host);
+
+// Logs all the errors in the OpenSSL errror queue from the current thread. A
+// prefix can be provided for context.
+void LogSSLErrors(absl::string_view prefix);
+
+#ifndef WEBRTC_EXCLUDE_BUILT_IN_SSL_ROOT_CERTS
+// Attempt to add the certificates from the loader into the SSL_CTX. False is
+// returned only if there are no certificates returned from the loader or none
+// of them can be added to the TrustStore for the provided context.
+bool LoadBuiltinSSLRootCertificates(SSL_CTX* ssl_ctx);
+#endif  // WEBRTC_EXCLUDE_BUILT_IN_SSL_ROOT_CERTS
+
+#ifdef OPENSSL_IS_BORINGSSL
+CRYPTO_BUFFER_POOL* GetBufferPool();
+#endif
+
+}  // namespace openssl
+}  // namespace rtc
+
+#endif  // RTC_BASE_OPENSSL_UTILITY_H_