Reland "Move webrtc/{base => rtc_base}" (https://codereview.webrtc.org/2877023002)
Reland the base->rtc_base without adding stub headers (will be
done in follow-up CL). This preserves git blame history of all files.
BUG=webrtc:7634
NOTRY=True
TBR=kwiberg@webrtc.org
Change-Id: Iea3bb6f3f67b8374c96337b63e8f5aa3e6181012
Reviewed-on: https://chromium-review.googlesource.com/554611
Reviewed-by: Henrik Kjellander <kjellander@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#18821}diff --git a/webrtc/rtc_base/openssladapter.h b/webrtc/rtc_base/openssladapter.h
new file mode 100644
index 0000000..7080b8b
--- /dev/null
+++ b/webrtc/rtc_base/openssladapter.h
@@ -0,0 +1,113 @@
+/*
+ * 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.
+ */
+
+#ifndef WEBRTC_RTC_BASE_OPENSSLADAPTER_H_
+#define WEBRTC_RTC_BASE_OPENSSLADAPTER_H_
+
+#include <string>
+#include "webrtc/base/buffer.h"
+#include "webrtc/base/messagehandler.h"
+#include "webrtc/base/messagequeue.h"
+#include "webrtc/base/ssladapter.h"
+
+typedef struct ssl_st SSL;
+typedef struct ssl_ctx_st SSL_CTX;
+typedef struct x509_store_ctx_st X509_STORE_CTX;
+
+namespace rtc {
+
+///////////////////////////////////////////////////////////////////////////////
+
+class OpenSSLAdapter : public SSLAdapter, public MessageHandler {
+public:
+ static bool InitializeSSL(VerificationCallback callback);
+ static bool InitializeSSLThread();
+ static bool CleanupSSL();
+
+ OpenSSLAdapter(AsyncSocket* socket);
+ ~OpenSSLAdapter() override;
+
+ void SetMode(SSLMode mode) override;
+ int StartSSL(const char* hostname, bool restartable) override;
+ int Send(const void* pv, size_t cb) override;
+ int SendTo(const void* pv, size_t cb, const SocketAddress& addr) override;
+ int Recv(void* pv, size_t cb, int64_t* timestamp) override;
+ int RecvFrom(void* pv,
+ size_t cb,
+ SocketAddress* paddr,
+ int64_t* timestamp) override;
+ int Close() override;
+
+ // Note that the socket returns ST_CONNECTING while SSL is being negotiated.
+ ConnState GetState() const override;
+
+protected:
+ void OnConnectEvent(AsyncSocket* socket) override;
+ void OnReadEvent(AsyncSocket* socket) override;
+ void OnWriteEvent(AsyncSocket* socket) override;
+ void OnCloseEvent(AsyncSocket* socket, int err) override;
+
+private:
+ enum SSLState {
+ SSL_NONE, SSL_WAIT, SSL_CONNECTING, SSL_CONNECTED, SSL_ERROR
+ };
+
+ enum { MSG_TIMEOUT };
+
+ int BeginSSL();
+ int ContinueSSL();
+ void Error(const char* context, int err, bool signal = true);
+ void Cleanup();
+
+ // Return value and arguments have the same meanings as for Send; |error| is
+ // an output parameter filled with the result of SSL_get_error.
+ int DoSslWrite(const void* pv, size_t cb, int* error);
+
+ void OnMessage(Message* msg) override;
+
+ static bool VerifyServerName(SSL* ssl, const char* host,
+ bool ignore_bad_cert);
+ bool SSLPostConnectionCheck(SSL* ssl, const char* host);
+#if !defined(NDEBUG)
+ static void SSLInfoCallback(const SSL* s, int where, int ret);
+#endif
+ static int SSLVerifyCallback(int ok, X509_STORE_CTX* store);
+ static VerificationCallback custom_verify_callback_;
+ friend class OpenSSLStreamAdapter; // for custom_verify_callback_;
+
+ static bool ConfigureTrustedRootCertificates(SSL_CTX* ctx);
+ SSL_CTX* SetupSSLContext();
+
+ SSLState state_;
+ bool ssl_read_needs_write_;
+ bool ssl_write_needs_read_;
+ // If true, socket will retain SSL configuration after Close.
+ bool restartable_;
+
+ // This buffer is used if SSL_write fails with SSL_ERROR_WANT_WRITE, which
+ // means we need to keep retrying with *the same exact data* until it
+ // succeeds. Afterwards it will be cleared.
+ Buffer pending_data_;
+
+ SSL* ssl_;
+ SSL_CTX* ssl_ctx_;
+ std::string ssl_host_name_;
+ // Do DTLS or not
+ SSLMode ssl_mode_;
+
+ bool custom_verification_succeeded_;
+};
+
+/////////////////////////////////////////////////////////////////////////////
+
+} // namespace rtc
+
+
+#endif // WEBRTC_RTC_BASE_OPENSSLADAPTER_H_