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145 lines
4.6 KiB
145 lines
4.6 KiB
15 years ago
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/*
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* libjingle
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* Copyright 2004--2005, Google Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <errno.h>
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#include "talk/base/basicdefs.h"
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#include "talk/base/logging.h"
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#include "talk/base/thread.h"
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#ifdef FEATURE_ENABLE_SSL
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#include "talk/base/schanneladapter.h"
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#endif
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#include "xmppsocket.h"
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XmppSocket::XmppSocket(bool tls) : tls_(tls) {
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cricket::Thread* pth = cricket::Thread::Current();
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cricket::AsyncSocket* socket =
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pth->socketserver()->CreateAsyncSocket(SOCK_STREAM);
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#ifdef FEATURE_ENABLE_SSL
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if (tls_)
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socket = new cricket::SChannelAdapter(socket);
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#endif
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cricket_socket_ = socket;
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cricket_socket_->SignalReadEvent.connect(this, &XmppSocket::OnReadEvent);
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cricket_socket_->SignalWriteEvent.connect(this, &XmppSocket::OnWriteEvent);
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cricket_socket_->SignalConnectEvent.connect(this,
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&XmppSocket::OnConnectEvent);
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state_ = buzz::AsyncSocket::STATE_CLOSED;
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}
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XmppSocket::~XmppSocket() {
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Close();
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delete cricket_socket_;
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}
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void XmppSocket::OnReadEvent(cricket::AsyncSocket * socket) {
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SignalRead();
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}
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void XmppSocket::OnWriteEvent(cricket::AsyncSocket * socket) {
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// Write bytes if there are any
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while (buffer_.Length() != 0) {
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int written = cricket_socket_->Send(buffer_.Data(), buffer_.Length());
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if (written > 0) {
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buffer_.Shift(written);
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continue;
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}
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if (!cricket_socket_->IsBlocking())
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LOG(LS_ERROR) << "Send error: " << cricket_socket_->GetError();
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return;
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}
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}
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void XmppSocket::OnConnectEvent(cricket::AsyncSocket * socket) {
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#if defined(FEATURE_ENABLE_SSL)
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if (state_ == buzz::AsyncSocket::STATE_TLS_CONNECTING) {
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state_ = buzz::AsyncSocket::STATE_TLS_OPEN;
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SignalSSLConnected();
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OnWriteEvent(cricket_socket_);
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return;
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}
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#endif // !defined(FEATURE_ENABLE_SSL)
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state_ = buzz::AsyncSocket::STATE_OPEN;
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SignalConnected();
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}
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buzz::AsyncSocket::State XmppSocket::state() {
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return state_;
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}
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buzz::AsyncSocket::Error XmppSocket::error() {
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return buzz::AsyncSocket::ERROR_NONE;
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}
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bool XmppSocket::Connect(const cricket::SocketAddress& addr) {
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if (cricket_socket_->Connect(addr) < 0) {
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return cricket_socket_->IsBlocking();
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}
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return true;
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}
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bool XmppSocket::Read(char * data, size_t len, size_t* len_read) {
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int read = cricket_socket_->Recv(data, len);
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if (read > 0) {
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*len_read = (size_t)read;
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return true;
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}
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return false;
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}
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bool XmppSocket::Write(const char * data, size_t len) {
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buffer_.WriteBytes(data, len);
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OnWriteEvent(cricket_socket_);
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return true;
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}
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bool XmppSocket::Close() {
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if (state_ != buzz::AsyncSocket::STATE_OPEN)
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return false;
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if (cricket_socket_->Close() == 0) {
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state_ = buzz::AsyncSocket::STATE_CLOSED;
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SignalClosed();
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return true;
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}
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return false;
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}
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bool XmppSocket::StartTls(const std::string & domainname) {
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#if defined(FEATURE_ENABLE_SSL)
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if (!tls_)
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return false;
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cricket::SChannelAdapter * ssl =
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static_cast<cricket::SChannelAdapter *>(cricket_socket_);
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ssl->set_ignore_bad_cert(true);
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if (ssl->StartSSL(domainname.c_str(), false) != 0)
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return false;
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state_ = buzz::AsyncSocket::STATE_TLS_CONNECTING;
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return true;
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#else // !defined(FEATURE_ENABLE_SSL)
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return false;
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#endif // !defined(FEATURE_ENABLE_SSL)
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}
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