Unforked xmpp ssl adapter code.

remoting/jingle_glue/ssl_socket_adapter.cc

Index: remoting/jingle_glue/ssl_socket_adapter.cc
diff --git a/remoting/jingle_glue/ssl_socket_adapter.cc b/remoting/jingle_glue/ssl_socket_adapter.cc
deleted file mode 100644
index 03abdc470070c36192377d1e0116ea603fa8a8d6..0000000000000000000000000000000000000000
--- a/remoting/jingle_glue/ssl_socket_adapter.cc
+++ /dev/null
@@ -1,359 +0,0 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "remoting/jingle_glue/ssl_socket_adapter.h"
-
-#include "base/compiler_specific.h"
-#include "base/message_loop.h"
-#include "net/base/address_list.h"
-#include "net/base/net_errors.h"
-#include "net/base/ssl_config_service.h"
-#include "net/base/sys_addrinfo.h"
-#include "net/socket/client_socket_factory.h"
-#include "net/url_request/url_request_context.h"
-
-namespace remoting {
-
-namespace {
-
-// Convert values from <errno.h> to values from "net/base/net_errors.h"
-int MapPosixError(int err) {
-  // There are numerous posix error codes, but these are the ones we thus far
-  // find interesting.
-  switch (err) {
-    case EAGAIN:
-#if EWOULDBLOCK != EAGAIN
-    case EWOULDBLOCK:
-#endif
-      return net::ERR_IO_PENDING;
-    case ENETDOWN:
-      return net::ERR_INTERNET_DISCONNECTED;
-    case ETIMEDOUT:
-      return net::ERR_TIMED_OUT;
-    case ECONNRESET:
-    case ENETRESET:  // Related to keep-alive
-      return net::ERR_CONNECTION_RESET;
-    case ECONNABORTED:
-      return net::ERR_CONNECTION_ABORTED;
-    case ECONNREFUSED:
-      return net::ERR_CONNECTION_REFUSED;
-    case EHOSTUNREACH:
-    case ENETUNREACH:
-      return net::ERR_ADDRESS_UNREACHABLE;
-    case EADDRNOTAVAIL:
-      return net::ERR_ADDRESS_INVALID;
-    case 0:
-      return net::OK;
-    default:
-      LOG(WARNING) << "Unknown error " << err << " mapped to net::ERR_FAILED";
-      return net::ERR_FAILED;
-  }
-}
-
-}  // namespace
-
-SSLSocketAdapter* SSLSocketAdapter::Create(AsyncSocket* socket) {
-  return new SSLSocketAdapter(socket);
-}
-
-SSLSocketAdapter::SSLSocketAdapter(AsyncSocket* socket)
-    : SSLAdapter(socket),
-      ignore_bad_cert_(false),
-      ALLOW_THIS_IN_INITIALIZER_LIST(
-          connected_callback_(this, &SSLSocketAdapter::OnConnected)),
-      ALLOW_THIS_IN_INITIALIZER_LIST(
-          read_callback_(this, &SSLSocketAdapter::OnRead)),
-      ALLOW_THIS_IN_INITIALIZER_LIST(
-          write_callback_(this, &SSLSocketAdapter::OnWrite)),
-      ssl_state_(SSLSTATE_NONE),
-      read_state_(IOSTATE_NONE),
-      write_state_(IOSTATE_NONE) {
-  transport_socket_ = new TransportSocket(socket, this);
-}
-
-int SSLSocketAdapter::StartSSL(const char* hostname, bool restartable) {
-  DCHECK(!restartable);
-  hostname_ = hostname;
-
-  if (socket_->GetState() != Socket::CS_CONNECTED) {
-    ssl_state_ = SSLSTATE_WAIT;
-    return 0;
-  } else {
-    return BeginSSL();
-  }
-}
-
-int SSLSocketAdapter::BeginSSL() {
-  if (!MessageLoop::current()) {
-    // Certificate verification is done via the Chrome message loop.
-    // Without this check, if we don't have a chrome message loop the
-    // SSL connection just hangs silently.
-    LOG(DFATAL) << "Chrome message loop (needed by SSL certificate "
-                << "verification) does not exist";
-    return net::ERR_UNEXPECTED;
-  }
-
-  // SSLConfigService is not thread-safe, and the default values for SSLConfig
-  // are correct for us, so we don't use the config service to initialize this
-  // object.
-  net::SSLConfig ssl_config;
-  transport_socket_->set_addr(talk_base::SocketAddress(hostname_, 0));
-  ssl_socket_.reset(
-      net::ClientSocketFactory::GetDefaultFactory()->CreateSSLClientSocket(
-          transport_socket_, hostname_.c_str(), ssl_config));
-
-  int result = ssl_socket_->Connect(&connected_callback_);
-
-  if (result == net::ERR_IO_PENDING || result == net::OK) {
-    return 0;
-  } else {
-    LOG(ERROR) << "Could not start SSL: " << net::ErrorToString(result);
-    return result;
-  }
-}
-
-int SSLSocketAdapter::Send(const void* buf, size_t len) {
-  if (ssl_state_ != SSLSTATE_CONNECTED) {
-    return AsyncSocketAdapter::Send(buf, len);
-  } else {
-    scoped_refptr<net::IOBuffer> transport_buf = new net::IOBuffer(len);
-    memcpy(transport_buf->data(), buf, len);
-
-    int result = ssl_socket_->Write(transport_buf, len, NULL);
-    if (result == net::ERR_IO_PENDING) {
-      SetError(EWOULDBLOCK);
-    }
-    transport_buf = NULL;
-    return result;
-  }
-}
-
-int SSLSocketAdapter::Recv(void* buf, size_t len) {
-  switch (ssl_state_) {
-    case SSLSTATE_NONE:
-      return AsyncSocketAdapter::Recv(buf, len);
-
-    case SSLSTATE_WAIT:
-      SetError(EWOULDBLOCK);
-      return -1;
-
-    case SSLSTATE_CONNECTED:
-      switch (read_state_) {
-        case IOSTATE_NONE: {
-          transport_buf_ = new net::IOBuffer(len);
-          int result = ssl_socket_->Read(transport_buf_, len, &read_callback_);
-          if (result >= 0) {
-            memcpy(buf, transport_buf_->data(), len);
-          }
-
-          if (result == net::ERR_IO_PENDING) {
-            read_state_ = IOSTATE_PENDING;
-            SetError(EWOULDBLOCK);
-          } else {
-            if (result < 0) {
-              SetError(result);
-              LOG(INFO) << "Socket error " << result;
-            }
-            transport_buf_ = NULL;
-          }
-          return result;
-        }
-        case IOSTATE_PENDING:
-          SetError(EWOULDBLOCK);
-          return -1;
-
-        case IOSTATE_COMPLETE:
-          memcpy(buf, transport_buf_->data(), len);
-          transport_buf_ = NULL;
-          read_state_ = IOSTATE_NONE;
-          return data_transferred_;
-      }
-  }
-
-  NOTREACHED();
-  return -1;
-}
-
-void SSLSocketAdapter::OnConnected(int result) {
-  if (result == net::OK) {
-    ssl_state_ = SSLSTATE_CONNECTED;
-    OnConnectEvent(this);
-  } else {
-    LOG(WARNING) << "OnConnected failed with error " << result;
-  }
-}
-
-void SSLSocketAdapter::OnRead(int result) {
-  DCHECK(read_state_ == IOSTATE_PENDING);
-  read_state_ = IOSTATE_COMPLETE;
-  data_transferred_ = result;
-  AsyncSocketAdapter::OnReadEvent(this);
-}
-
-void SSLSocketAdapter::OnWrite(int result) {
-  DCHECK(write_state_ == IOSTATE_PENDING);
-  write_state_ = IOSTATE_COMPLETE;
-  data_transferred_ = result;
-  AsyncSocketAdapter::OnWriteEvent(this);
-}
-
-void SSLSocketAdapter::OnConnectEvent(talk_base::AsyncSocket* socket) {
-  if (ssl_state_ != SSLSTATE_WAIT) {
-    AsyncSocketAdapter::OnConnectEvent(socket);
-  } else {
-    ssl_state_ = SSLSTATE_NONE;
-    int result = BeginSSL();
-    if (0 != result) {
-      // TODO(zork): Handle this case gracefully.
-      LOG(WARNING) << "BeginSSL() failed with " << result;
-    }
-  }
-}
-
-TransportSocket::TransportSocket(talk_base::AsyncSocket* socket,
-                                 SSLSocketAdapter *ssl_adapter)
-    : read_callback_(NULL),
-      write_callback_(NULL),
-      read_buffer_len_(0),
-      write_buffer_len_(0),
-      socket_(socket) {
-  socket_->SignalReadEvent.connect(this, &TransportSocket::OnReadEvent);
-  socket_->SignalWriteEvent.connect(this, &TransportSocket::OnWriteEvent);
-}
-
-int TransportSocket::Connect(net::CompletionCallback* callback) {
-  // Connect is never called by SSLClientSocket, instead SSLSocketAdapter
-  // calls Connect() on socket_ directly.
-  NOTREACHED();
-  return false;
-}
-
-void TransportSocket::Disconnect() {
-  socket_->Close();
-}
-
-bool TransportSocket::IsConnected() const {
-  return (socket_->GetState() == talk_base::Socket::CS_CONNECTED);
-}
-
-bool TransportSocket::IsConnectedAndIdle() const {
-  // Not implemented.
-  NOTREACHED();
-  return false;
-}
-
-int TransportSocket::GetPeerAddress(net::AddressList* address) const {
-  talk_base::SocketAddress socket_address = socket_->GetRemoteAddress();
-
-  // libjingle supports only IPv4 addresses.
-  sockaddr_in ipv4addr;
-  socket_address.ToSockAddr(&ipv4addr);
-
-  struct addrinfo ai;
-  memset(&ai, 0, sizeof(ai));
-  ai.ai_family = ipv4addr.sin_family;
-  ai.ai_socktype = SOCK_STREAM;
-  ai.ai_protocol = IPPROTO_TCP;
-  ai.ai_addr = reinterpret_cast<struct sockaddr*>(&ipv4addr);
-  ai.ai_addrlen = sizeof(ipv4addr);
-
-  address->Copy(&ai, false);
-  return net::OK;
-}
-
-int TransportSocket::Read(net::IOBuffer* buf, int buf_len,
-                          net::CompletionCallback* callback) {
-  DCHECK(buf);
-  DCHECK(!read_callback_);
-  DCHECK(!read_buffer_.get());
-  int result = socket_->Recv(buf->data(), buf_len);
-  if (result < 0) {
-    result = MapPosixError(socket_->GetError());
-    if (result == net::ERR_IO_PENDING) {
-      read_callback_ = callback;
-      read_buffer_ = buf;
-      read_buffer_len_ = buf_len;
-    }
-  }
-  return result;
-}
-
-int TransportSocket::Write(net::IOBuffer* buf, int buf_len,
-                           net::CompletionCallback* callback) {
-  DCHECK(buf);
-  DCHECK(!write_callback_);
-  DCHECK(!write_buffer_.get());
-  int result = socket_->Send(buf->data(), buf_len);
-  if (result < 0) {
-    result = MapPosixError(socket_->GetError());
-    if (result == net::ERR_IO_PENDING) {
-      write_callback_ = callback;
-      write_buffer_ = buf;
-      write_buffer_len_ = buf_len;
-    }
-  }
-  return result;
-}
-
-bool TransportSocket::SetReceiveBufferSize(int32 size) {
-  // Not implemented.
-  return false;
-}
-
-bool TransportSocket::SetSendBufferSize(int32 size) {
-  // Not implemented.
-  return false;
-}
-
-void TransportSocket::OnReadEvent(talk_base::AsyncSocket* socket) {
-  if (read_callback_) {
-    DCHECK(read_buffer_.get());
-    net::CompletionCallback* callback = read_callback_;
-    scoped_refptr<net::IOBuffer> buffer = read_buffer_;
-    int buffer_len = read_buffer_len_;
-
-    read_callback_ = NULL;
-    read_buffer_ = NULL;
-    read_buffer_len_ = 0;
-
-    int result = socket_->Recv(buffer->data(), buffer_len);
-    if (result < 0) {
-      result = MapPosixError(socket_->GetError());
-      if (result == net::ERR_IO_PENDING) {
-        read_callback_ = callback;
-        read_buffer_ = buffer;
-        read_buffer_len_ = buffer_len;
-        return;
-      }
-    }
-    callback->RunWithParams(Tuple1<int>(result));
-  }
-}
-
-void TransportSocket::OnWriteEvent(talk_base::AsyncSocket* socket) {
-  if (write_callback_) {
-    DCHECK(write_buffer_.get());
-    net::CompletionCallback* callback = write_callback_;
-    scoped_refptr<net::IOBuffer> buffer = write_buffer_;
-    int buffer_len = write_buffer_len_;
-
-    write_callback_ = NULL;
-    write_buffer_ = NULL;
-    write_buffer_len_ = 0;
-
-    int result = socket_->Send(buffer->data(), buffer_len);
-    if (result < 0) {
-      result = MapPosixError(socket_->GetError());
-      if (result == net::ERR_IO_PENDING) {
-        write_callback_ = callback;
-        write_buffer_ = buffer;
-        write_buffer_len_ = buffer_len;
-        return;
-      }
-    }
-    callback->RunWithParams(Tuple1<int>(result));
-  }
-}
-
-}  // namespace remoting