mirror of
https://github.com/TigerVNC/tigervnc.git
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![Constantin Kaplinsky](/assets/img/avatar_default.png)
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@2 3789f03b-4d11-0410-bbf8-ca57d06f2519
152 lines
3.9 KiB
C++
152 lines
3.9 KiB
C++
/* Copyright (C) 2002-2003 RealVNC Ltd. All Rights Reserved.
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*
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* This is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This software 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 software; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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* USA.
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*/
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// -=- RegConfig.cxx
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#include <malloc.h>
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#include <rfb_win32/RegConfig.h>
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#include <rfb/LogWriter.h>
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#include <rfb/util.h>
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#include <rdr/HexOutStream.h>
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using namespace rfb;
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using namespace rfb::win32;
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static LogWriter vlog("RegConfig");
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class rfb::win32::RegReaderThread : public Thread {
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public:
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RegReaderThread(RegistryReader& reader, const HKEY key);
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~RegReaderThread();
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virtual void run();
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virtual Thread* join();
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protected:
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RegistryReader& reader;
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RegKey key;
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HANDLE event;
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};
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RegReaderThread::RegReaderThread(RegistryReader& reader_, const HKEY key_) : Thread("RegConfig"), reader(reader_), key(key_) {
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}
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RegReaderThread::~RegReaderThread() {
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}
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void
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RegReaderThread::run() {
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vlog.debug("RegReaderThread started");
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while (key) {
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// - Wait for changes
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vlog.debug("waiting for changes");
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key.awaitChange(true, REG_NOTIFY_CHANGE_NAME | REG_NOTIFY_CHANGE_LAST_SET);
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// - Load settings
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RegistryReader::loadRegistryConfig(key);
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// - Notify specified thread of changes
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if (reader.notifyThread)
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PostThreadMessage(reader.notifyThread->getThreadId(),
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reader.notifyMsg.message,
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reader.notifyMsg.wParam,
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reader.notifyMsg.lParam);
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else if (reader.notifyWindow)
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PostMessage(reader.notifyWindow,
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reader.notifyMsg.message,
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reader.notifyMsg.wParam,
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reader.notifyMsg.lParam);
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}
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}
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Thread*
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RegReaderThread::join() {
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RegKey old_key = key;
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key.close();
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if ((HKEY)old_key) {
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// *** Closing the key doesn't always seem to work
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// Writing to it always will, instead...
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vlog.debug("closing key");
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old_key.setString(_T("dummy"), _T(""));
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}
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return Thread::join();
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}
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RegistryReader::RegistryReader() : thread(0), notifyThread(0) {
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memset(¬ifyMsg, 0, sizeof(notifyMsg));
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}
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RegistryReader::~RegistryReader() {
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if (thread) delete thread->join();
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}
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bool RegistryReader::setKey(const HKEY rootkey, const TCHAR* keyname) {
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if (thread) delete thread->join();
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thread = 0;
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RegKey key;
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try {
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key.createKey(rootkey, keyname);
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loadRegistryConfig(key);
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} catch (rdr::Exception& e) {
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vlog.debug(e.str());
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return false;
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}
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thread = new RegReaderThread(*this, key);
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if (thread) thread->start();
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return true;
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}
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void
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RegistryReader::loadRegistryConfig(RegKey& key) {
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DWORD i = 0;
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try {
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while (1) {
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TCharArray name = tstrDup(key.getValueName(i++));
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if (!name.buf) break;
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TCharArray value = key.getRepresentation(name.buf);
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if (!value.buf || !Configuration::setParam(CStr(name.buf), CStr(value.buf)))
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vlog.info("unable to process %s", CStr(name.buf));
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}
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} catch (rdr::SystemException& e) {
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if (e.err != 6)
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vlog.error(e.str());
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}
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}
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bool RegistryReader::setNotifyThread(Thread* thread, UINT winMsg, WPARAM wParam, LPARAM lParam) {
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notifyMsg.message = winMsg;
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notifyMsg.wParam = wParam;
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notifyMsg.lParam = lParam;
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notifyThread = thread;
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notifyWindow = 0;
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return true;
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}
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bool RegistryReader::setNotifyWindow(HWND window, UINT winMsg, WPARAM wParam, LPARAM lParam) {
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notifyMsg.message = winMsg;
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notifyMsg.wParam = wParam;
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notifyMsg.lParam = lParam;
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notifyWindow = window;
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notifyThread = 0;
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return true;
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}
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