/**
* @fn scanWifi
*/
QList<netctlWifiInfo> WpaSup::scanWifi()
{
if (debug) qDebug() << PDEBUG;
QList<netctlWifiInfo> scanResults;
if (!startWpaSupplicant()) {
stopWpaSupplicant();
return scanResults;
}
if (!wpaCliCall(QString("scan"))) return scanResults;
waitForProcess(3);
QStringList rawOutput = getWpaCliOutput(QString("scan_results")).split(QChar('\n'), QString::SkipEmptyParts);
// remove table header
rawOutput.removeFirst();
// remove duplicates
QStringList rawList;
QStringList names;
for (int i=0; i<rawOutput.count(); i++) {
if (rawOutput[i].split(QChar('\t'), QString::SkipEmptyParts).count() == 4) {
rawList.append(rawOutput[i]);
continue;
} else if (rawOutput[i].split(QChar('\t'), QString::SkipEmptyParts).count() == 5) {
if (names.contains(rawOutput[i].split(QChar('\t'), QString::SkipEmptyParts)[4])) continue;
names.append(rawOutput[i].split(QChar('\t'), QString::SkipEmptyParts)[4]);
rawList.append(rawOutput[i]);
}
}
for (int i=0; i<rawList.count(); i++) {
netctlWifiInfo wifiPoint;
// point name
if (rawList[i].split(QChar('\t'), QString::SkipEmptyParts).count() == 5)
wifiPoint.name = rawList[i].split(QChar('\t'), QString::SkipEmptyParts)[4];
else
wifiPoint.name = QString("<hidden>");
// profile status
wifiPoint.active = isProfileActive(wifiPoint.name);
wifiPoint.exists = isProfileExists(wifiPoint.name);
// point signal
wifiPoint.signal = rawList[i].split(QChar('\t'), QString::SkipEmptyParts)[2];
// point security
QString security = rawList[i].split(QChar('\t'), QString::SkipEmptyParts)[3];
if (security.contains(QString("WPA2")))
security = QString("WPA2");
else if (security.contains(QString("WPA")))
security = QString("WPA");
else if (security.contains(QString("WEP")))
security = QString("WEP");
else
security = QString("none");
wifiPoint.security = security;
scanResults.append(wifiPoint);
}
stopWpaSupplicant();
return scanResults;
}
/**
* @fn startWpaSupplicant
*/
bool WpaSup::startWpaSupplicant()
{
if (debug) qDebug() << PDEBUG;
if (ctrlDir.isEmpty()) {
if (debug) qDebug() << PDEBUG << ":" << "Could not find directory";
return false;
}
if (ctrlGroup.isEmpty()) {
if (debug) qDebug() << PDEBUG << ":" << "Could not find group";
return false;
}
if (pidFile.isEmpty()) {
if (debug) qDebug() << PDEBUG << ":" << "Could not find PID file";
return false;
}
if (wpaDrivers.isEmpty()) {
if (debug) qDebug() << PDEBUG << ":" << "Could not find drivers";
return false;
}
if (wpaSupPath.isEmpty()) {
if (debug) qDebug() << PDEBUG << ":" << "Could not find wpa_supplicant";
return false;
}
if (netctlCommand == nullptr) {
if (debug) qDebug() << PDEBUG << ":" << "Could not find library";
return false;
}
QStringList interfaces = netctlCommand->getWirelessInterfaceList();
if (interfaces.isEmpty()) {
if (debug) qDebug() << PDEBUG << ":" << "Could not find interfaces";
return false;
}
if (QFile(pidFile).exists()) return true;
QString cmd = QString("%1 %2 -B -P \"%3\" -i %4 -D %5 -C \"DIR=%6 GROUP=%7\"")
.arg(sudoCommand).arg(wpaSupPath).arg(pidFile).arg(interfaces[0])
.arg(wpaDrivers).arg(ctrlDir).arg(ctrlGroup);
if (debug) qDebug() << PDEBUG << ":" << "Run cmd" << cmd;
TaskResult process = runTask(cmd, useSuid);
waitForProcess(1);
if (debug) qDebug() << PDEBUG << ":" << "Cmd returns" << process.exitCode;
if (process.exitCode != 0)
if (debug) qDebug() << PDEBUG << ":" << "Error" << process.error;
return (process.exitCode == 0);
}
//Startup function for this program
int init(int argv,char* argc[], char* env[]){
int i,toReturn;
int* pipefd;
pid_t* loopBuffer = malloc(sizeof(pid_t)*LOOPS);
pid_t child;
char**** broken2 = malloc(sizeof(char***)*1);
int numExecs = breakByDelimiter(broken2,argc,",",argv);
char*** broken = broken2[0];
if(numExecs>1){
//Allocate pipes: number of pipes = number of execs * 2
pipefd = malloc(sizeof(int)*2*(numExecs-1));
//Check for bad pipes
/*for(i=0;i<numExecs;i++){
if(pipe(pipefd + (2*i))<0){
perror("Couldn't create pipes");
}
}*/
pipe(pipefd);
}else{
pipefd = NULL;
}
for(i=0;i<numExecs;i++){
//Create a child
child = fork();
loopBuffer[i] = child;
//Break up function
toReturn = splitChildren(argv,argc,env,child,i,broken,pipefd,numExecs);
}
//Close all the pipes
for(i=0;pipefd!=NULL && i<numExecs;i++){
close(pipefd[i]);
}
//Go through all child processes and wait for them to finish
if(child!=0){
waitForProcess(loopBuffer[i],broken,numExecs);
}
return toReturn;
}
/**
* @fn wpaCliCall
*/
bool WpaSup::wpaCliCall(const QString commandLine)
{
if (debug) qDebug() << PDEBUG;
if (debug) qDebug() << PDEBUG << ":" << "Command" << commandLine;
if (ctrlDir.isEmpty()) {
if (debug) qDebug() << PDEBUG << ":" << "Could not find directory";
return false;
}
if (pidFile.isEmpty()) {
if (debug) qDebug() << PDEBUG << ":" << "Could not find PID file";
return false;
}
if (wpaCliPath.isEmpty()) {
if (debug) qDebug() << PDEBUG << ":" << "Could not find wpa_cli";
return false;
}
if (netctlCommand == nullptr) {
if (debug) qDebug() << PDEBUG << ":" << "Could not find library";
return false;
}
QStringList interfaces = netctlCommand->getWirelessInterfaceList();
if (interfaces.isEmpty()) {
if (debug) qDebug() << PDEBUG << ":" << "Could not find interfaces";
return false;
}
QString interface = interfaces[0];
QString cmd = wpaCliPath + QString(" -i ") + interface + QString(" -p ") + ctrlDir +
QString(" -P ") + pidFile + QString(" ") + commandLine;
if (debug) qDebug() << PDEBUG << ":" << "Run cmd" << cmd;
TaskResult process = runTask(cmd);
waitForProcess(1);
if (debug) qDebug() << PDEBUG << ":" << "Cmd returns" << process.exitCode;
if (process.exitCode != 0)
if (debug) qDebug() << PDEBUG << ":" << "Error" << process.error;
return (process.exitCode == 0);
}
void* inOutThread(void* dataHilo)
{
int executionSimulator;
t_dataDispositivo *datos = dataHilo;
t_nodo_proceso_bloqueadoIO* proceso;
while (1)
{
proceso = waitForProcess(datos);
debugTrackPCP("[I/O HANDLER] %d process is now using device %s .",
proceso->proceso->pcb.pid, datos->nombre);
log_debug(log_kernel,
"[I/O HANDLER] %d process is now using device %s .",
proceso->proceso->pcb.pid, datos->nombre);
executionSimulator = (datos->retardo * proceso->espera) * 1000;
usleep(executionSimulator);
debugTrackPCP("[I/O HANDLER] Process has ended I/O.");
addToReadyQueue(proceso->proceso);
}
return NULL ;
}
