92 lines
2.3 KiB
C++
92 lines
2.3 KiB
C++
/*
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* synergy -- mouse and keyboard sharing utility
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* Copyright (C) 2012 Synergy Si Ltd.
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* Copyright (C) 2011 Chris Schoeneman
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*
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* This package is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* found in the file COPYING that should have accompanied this file.
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*
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* This package is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "server/ClientProxy1_4.h"
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#include "server/Server.h"
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#include "synergy/ProtocolUtil.h"
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#include "io/CryptoStream.h"
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#include "base/Log.h"
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#include "base/IEventQueue.h"
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#include "base/TMethodEventJob.h"
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#include <cstring>
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#include <memory>
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//
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// ClientProxy1_4
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//
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ClientProxy1_4::ClientProxy1_4(const String& name, synergy::IStream* stream, Server* server, IEventQueue* events) :
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ClientProxy1_3(name, stream, events), m_server(server)
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{
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assert(m_server != NULL);
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}
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ClientProxy1_4::~ClientProxy1_4()
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{
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}
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void
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ClientProxy1_4::keyDown(KeyID key, KeyModifierMask mask, KeyButton button)
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{
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cryptoIv();
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ClientProxy1_3::keyDown(key, mask, button);
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}
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void
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ClientProxy1_4::keyRepeat(KeyID key, KeyModifierMask mask, SInt32 count, KeyButton button)
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{
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cryptoIv();
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ClientProxy1_3::keyRepeat(key, mask, count, button);
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}
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void
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ClientProxy1_4::keyUp(KeyID key, KeyModifierMask mask, KeyButton button)
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{
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cryptoIv();
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ClientProxy1_3::keyUp(key, mask, button);
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}
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void
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ClientProxy1_4::keepAlive()
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{
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cryptoIv();
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ClientProxy1_3::keepAlive();
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}
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void
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ClientProxy1_4::cryptoIv()
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{
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CryptoStream* cryptoStream = dynamic_cast<CryptoStream*>(getStream());
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if (cryptoStream == NULL) {
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return;
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}
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byte iv[CRYPTO_IV_SIZE];
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cryptoStream->newIv(iv);
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String data(reinterpret_cast<const char*>(iv), CRYPTO_IV_SIZE);
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LOG((CLOG_DEBUG2 "send crypto iv change to \"%s\"", getName().c_str()));
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ProtocolUtil::writef(getStream(), kMsgDCryptoIv, &data);
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// change IV only after we've sent the current IV, otherwise
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// the client won't be able to decrypt the new IV.
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cryptoStream->setEncryptIv(iv);
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}
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