/* * Copyright 2004 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.
*/
// Class for creating SSL adapters with shared state, e.g., a session cache, // which allows clients to resume SSL sessions to previously-contacted hosts. // Clients should create the factory using Create(), set up the factory as // needed using SetMode, and then call CreateAdapter to create adapters when // needed. class SSLAdapterFactory { public: virtual ~SSLAdapterFactory() {}
// Specifies whether TLS or DTLS is to be used for the SSL adapters. virtualvoid SetMode(SSLMode mode) = 0;
// Specify a custom certificate verifier for SSL. virtualvoid SetCertVerifier(SSLCertificateVerifier* ssl_cert_verifier) = 0;
// Set the certificate this socket will present to incoming clients. // Takes ownership of `identity`. virtualvoid SetIdentity(std::unique_ptr<SSLIdentity> identity) = 0;
// Choose whether the socket acts as a server socket or client socket. virtualvoid SetRole(SSLRole role) = 0;
// Methods that control server certificate verification, used in unit tests. // Do not call these methods in production code. virtualvoid SetIgnoreBadCert(bool ignore) = 0;
// Creates a new SSL adapter, but from a shared context. virtual SSLAdapter* CreateAdapter(Socket* socket) = 0;
// Class that abstracts a client-to-server SSL session. It can be created // standalone, via SSLAdapter::Create, or through a factory as described above, // in which case it will share state with other SSLAdapters created from the // same factory. // After creation, call StartSSL to initiate the SSL handshake to the server. class SSLAdapter : public AsyncSocketAdapter { public: explicit SSLAdapter(Socket* socket) : AsyncSocketAdapter(socket) {}
// Methods that control server certificate verification, used in unit tests. // Do not call these methods in production code. // TODO(juberti): Remove the opportunistic encryption mechanism in // BasicPacketSocketFactory that uses this function. virtualvoid SetIgnoreBadCert(bool ignore) = 0;
[[deprecated("Only TLS is supported by the adapter")]] virtualvoid SetMode(
SSLMode mode) = 0; // Specify a custom certificate verifier for SSL. virtualvoid SetCertVerifier(SSLCertificateVerifier* ssl_cert_verifier) = 0;
// Set the certificate this socket will present to incoming clients. // Takes ownership of `identity`. virtualvoid SetIdentity(std::unique_ptr<SSLIdentity> identity) = 0;
// Choose whether the socket acts as a server socket or client socket. virtualvoid SetRole(SSLRole role) = 0;
// StartSSL returns 0 if successful. // If StartSSL is called while the socket is closed or connecting, the SSL // negotiation will begin as soon as the socket connects. virtualint StartSSL(absl::string_view hostname) = 0;
// When an SSLAdapterFactory is used, an SSLAdapter may be used to resume // a previous SSL session, which results in an abbreviated handshake. // This method, if called after SSL has been established for this adapter, // indicates whether the current session is a resumption of a previous // session. virtualbool IsResumedSession() = 0;
// Create the default SSL adapter for this platform. On failure, returns null // and deletes `socket`. Otherwise, the returned SSLAdapter takes ownership // of `socket`. static SSLAdapter* Create(Socket* socket);
private: // Not supported. int Listen(int backlog) override { RTC_CHECK(false); }
Socket* Accept(SocketAddress* paddr) override { RTC_CHECK(false); }
};
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