1 files changed, 250 insertions, 0 deletions
diff --git a/kopete/protocols/jabber/jingle/libjingle/talk/p2p/base/tcpport.cpp b/kopete/protocols/jabber/jingle/libjingle/talk/p2p/base/tcpport.cpp
new file mode 100644
index 00000000..a2d2adc6
--- /dev/null
+++ b/kopete/protocols/jabber/jingle/libjingle/talk/p2p/base/tcpport.cpp
@@ -0,0 +1,250 @@
+/*
+ * libjingle
+ * Copyright 2004--2005, Google Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without 
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *  1. Redistributions of source code must retain the above copyright notice, 
+ *     this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright notice,
+ *     this list of conditions and the following disclaimer in the documentation
+ *     and/or other materials provided with the distribution.
+ *  3. The name of the author may not be used to endorse or promote products 
+ *     derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+ * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#if defined(_MSC_VER) && _MSC_VER < 1300
+#pragma warning(disable:4786)
+#endif
+#include "talk/p2p/base/tcpport.h"
+#include "talk/base/logging.h"
+#ifdef WIN32
+#include "talk/base/winfirewall.h"
+#endif // WIN32
+#include <iostream>
+#include <cassert>
+
+#if defined(_MSC_VER) && _MSC_VER < 1300
+namespace std {
+  using ::strerror;
+}
+#endif
+
+#ifdef POSIX
+extern "C" {
+#include <errno.h>
+}
+#endif // POSIX
+
+namespace cricket {
+
+#ifdef WIN32
+static WinFirewall win_firewall;
+#endif  // WIN32
+
+TCPPort::TCPPort(Thread* thread, SocketFactory* factory, Network* network,
+                 const SocketAddress& address)
+    : Port(thread, LOCAL_PORT_TYPE, factory, network), error_(0) {
+  incoming_only_ = (address.port() != 0);
+  socket_ = thread->socketserver()->CreateAsyncSocket(SOCK_STREAM);
+  socket_->SignalReadEvent.connect(this, &TCPPort::OnAcceptEvent);
+  if (socket_->Bind(address) < 0)
+    LOG(INFO) << "bind: " << std::strerror(socket_->GetError());
+}
+
+TCPPort::~TCPPort() {
+  delete socket_;
+}
+
+Connection* TCPPort::CreateConnection(const Candidate& address, CandidateOrigin origin) {
+  // We only support TCP protocols
+  if ((address.protocol() != "tcp") && (address.protocol() != "ssltcp"))
+    return 0;
+
+  // We can't accept TCP connections incoming on other ports
+  if (origin == ORIGIN_OTHER_PORT)
+    return 0;
+
+  // Check if we are allowed to make outgoing TCP connections
+  if (incoming_only_ && (origin == ORIGIN_MESSAGE))
+    return 0;
+
+  // We don't know how to act as an ssl server yet
+  if ((address.protocol() == "ssltcp") && (origin == ORIGIN_THIS_PORT))
+    return 0;
+
+  TCPConnection* conn = 0;
+  if (AsyncTCPSocket * socket = GetIncoming(address.address(), true)) {
+    socket->SignalReadPacket.disconnect(this);
+    conn = new TCPConnection(this, address, socket);
+  } else {
+    conn = new TCPConnection(this, address);
+  }
+  AddConnection(conn);
+  return conn;
+}
+
+void TCPPort::PrepareAddress() {
+  assert(socket_);
+
+  bool allow_listen = true;
+#ifdef WIN32
+  if (win_firewall.Initialize()) {
+    char module_path[MAX_PATH + 1] = { 0 };
+    ::GetModuleFileNameA(NULL, module_path, MAX_PATH);
+    if (win_firewall.Enabled() && !win_firewall.Authorized(module_path)) {
+      allow_listen = false;
+    }
+  }
+#endif // WIN32
+  if (allow_listen) {
+    if (socket_->Listen(5) < 0)
+      LOG(INFO) << "listen: " << std::strerror(socket_->GetError());
+  } else {
+    LOG(INFO) << "not listening due to firewall restrictions";
+  }
+  // Note: We still add the address, since otherwise the remote side won't recognize
+  // our incoming TCP connections.
+  add_address(socket_->GetLocalAddress(), "tcp");
+}
+
+int TCPPort::SendTo(const void* data, size_t size, const SocketAddress& addr, bool payload) {
+  AsyncTCPSocket * socket = 0;
+
+  if (TCPConnection * conn = static_cast<TCPConnection*>(GetConnection(addr))) {
+    socket = conn->socket();
+  } else {
+    socket = GetIncoming(addr);
+  }
+  if (!socket) {
+    LOG(INFO) << "Unknown destination for SendTo: " << addr.ToString();
+    return -1; // TODO: Set error_
+  }
+
+  //LOG(INFO) << "TCPPort::SendTo(" << size << ", " << addr.ToString() << ")";
+
+  int sent = socket->Send(data, size);
+  if (sent < 0)
+    error_ = socket->GetError();
+  return sent;
+}
+
+int TCPPort::SetOption(Socket::Option opt, int value) {
+  return socket_->SetOption(opt, value);
+}
+
+int TCPPort::GetError() {
+  assert(socket_);
+  return error_;
+}
+
+void TCPPort::OnAcceptEvent(AsyncSocket* socket) {
+  assert(socket == socket_);
+
+  Incoming incoming;
+  AsyncSocket * newsocket = static_cast<AsyncSocket *>(socket->Accept(&incoming.addr));
+  if (!newsocket) {
+    // TODO: Do something better like forwarding the error to the user.
+    LOG(INFO) << "accept: " << socket_->GetError() << " " <<  std::strerror(socket_->GetError());
+    return;
+  }
+  incoming.socket = new AsyncTCPSocket(newsocket);
+  incoming.socket->SignalReadPacket.connect(this, &TCPPort::OnReadPacket);
+
+  LOG(INFO) << "accepted incoming connection from " << incoming.addr.ToString();
+  incoming_.push_back(incoming);
+
+  // Prime a read event in case data is waiting
+  newsocket->SignalReadEvent(newsocket);
+}
+
+AsyncTCPSocket * TCPPort::GetIncoming(const SocketAddress& addr, bool remove) {
+  AsyncTCPSocket * socket = 0;
+  for (std::list<Incoming>::iterator it = incoming_.begin(); it != incoming_.end(); ++it) {
+    if (it->addr == addr) {
+      socket = it->socket;
+      if (remove)
+        incoming_.erase(it);
+      break;
+    }
+  }
+  return socket;
+}
+
+void TCPPort::OnReadPacket(const char* data, size_t size, const SocketAddress& remote_addr,
+      AsyncPacketSocket* socket) {
+  Port::OnReadPacket(data, size, remote_addr);
+}
+
+TCPConnection::TCPConnection(TCPPort* port, const Candidate& candidate, AsyncTCPSocket* socket)
+    : Connection(port, 0, candidate), socket_(socket), error_(0) {
+  bool outgoing = (socket_ == 0);
+  if (outgoing) {
+    socket_ = static_cast<AsyncTCPSocket *>(port->CreatePacketSocket(
+                (candidate.protocol() == "ssltcp") ? PROTO_SSLTCP : PROTO_TCP));
+  }
+  socket_->SignalReadPacket.connect(this, &TCPConnection::OnReadPacket);
+  socket_->SignalClose.connect(this, &TCPConnection::OnClose);
+  if (outgoing) {
+    connected_ = false;
+    socket_->SignalConnect.connect(this, &TCPConnection::OnConnect);
+    socket_->Connect(candidate.address());
+    LOG(INFO) << "Connecting to " << candidate.address().ToString();
+  }
+}
+
+TCPConnection::~TCPConnection() {
+}
+
+int TCPConnection::Send(const void* data, size_t size) {
+  if (write_state() != STATE_WRITABLE)
+    return 0;
+
+  int sent = socket_->Send(data, size);
+  if (sent < 0) {
+    error_ = socket_->GetError();
+  } else {
+    sent_total_bytes_ += sent;
+  }
+  return sent;
+}
+
+int TCPConnection::GetError() {
+  return error_;
+}
+
+TCPPort* TCPConnection::tcpport() {
+  return static_cast<TCPPort*>(port_);
+}
+
+void TCPConnection::OnConnect(AsyncTCPSocket* socket) {
+  assert(socket == socket_);
+  LOG(INFO) << "tcp connected to " << socket->GetRemoteAddress().ToString();
+  set_connected(true);
+}
+
+void TCPConnection::OnClose(AsyncTCPSocket* socket, int error) {
+  assert(socket == socket_);
+  LOG(INFO) << "tcp closed with error: " << error;
+  set_connected(false);
+}
+
+void TCPConnection::OnReadPacket(const char* data, size_t size, const SocketAddress& remote_addr,
+      AsyncPacketSocket* socket) {
+  assert(socket == socket_);
+  Connection::OnReadPacket(data, size);
+}
+
+} // namespace cricket