Fix a bug

Trying to fix #22
Open client with QProcess::Text for proper newline character(s)
On Raspbian, the isBusy() function will always return false, even the serial port is actually connected.

common/pm3process.cpp

@@ -26,7 +26,7 @@ void PM3Process::connectPM3(const QString& path, const QStringList args)
     currArgs = args;
 
     // using "-f" option to make the client output flushed after every print.
-    start(path, args, QProcess::Unbuffered | QProcess::ReadWrite);
+    start(path, args, QProcess::Unbuffered | QProcess::ReadWrite | QProcess::Text);
     if(waitForStarted(10000))
     {
         waitForReadyRead(10000);
@@ -36,11 +36,13 @@ void PM3Process::connectPM3(const QString& path, const QStringList args)
         {
             clientType = Util::CLIENTTYPE_ICEMAN;
             setRequiringOutput(true);
-            write("hw version\r\n");
-            for(int i = 0; i < 10; i++)
+            write("hw version\n");
+            for(int i = 0; i < 50; i++)
             {
                 waitForReadyRead(200);
                 result += *requiredOutput;
+                if(result.indexOf("os: ") != -1)
+                    break;
             }
             setRequiringOutput(false);
         }
@@ -52,8 +54,8 @@ void PM3Process::connectPM3(const QString& path, const QStringList args)
         {
             emit changeClientType(clientType);
             result = result.mid(result.indexOf("os: "));
-            result = result.left(result.indexOf("\r\n"));
-            result = result.mid(3, result.lastIndexOf(" ") - 3);
+            result = result.left(result.indexOf("\n"));
+            result = result.mid(4, result.indexOf(" ", 4) - 4);
             emit PM3StatedChanged(true, result);
         }
         else
@@ -105,11 +107,15 @@ void PM3Process::setSerialListener(bool state)
 
 void PM3Process::onTimeout() //when the proxmark3 client is unexpectedly terminated or the PM3 hardware is removed, the isBusy() will return false(only tested on Windows);
 {
+//    isBusy() is a deprecated function.
+//    It will always return false on Raspbian.
+//    SerialListener need to be removed.
+//
 //    qDebug()<<portInfo->isBusy();
-    if(!portInfo->isBusy())
-    {
-        killPM3();
-    }
+//    if(!portInfo->isBusy())
+//    {
+//        killPM3();
+//    }
 }
 
 void PM3Process::testThread()

common/util.cpp

@@ -31,7 +31,7 @@ void Util::execCMD(const QString& cmd)
 {
     qDebug() << "executing: " << cmd;
     if(isRunning)
-        emit write(cmd + "\r\n");
+        emit write(cmd + "\n");
 }
 
 QString Util::execCMDWithOutput(const QString& cmd, ReturnTrigger trigger)

module/lf.cpp

@@ -70,10 +70,10 @@ void LF::getConfig()
     result = util->execCMDWithOutput("hw status", 400); // not all output from "hw status will be processed".
     result = result.right(result.length() - result.indexOf("LF Sampling config"));
     offset = result.indexOf("samples to skip");
-    offset = result.indexOf("\r\n", offset);
+    offset = result.indexOf("\n", offset);
     result = result.mid(0, offset + 2);
     qDebug() << "LF CONFIG GET\n" << result;
-    resultList = result.split("\r\n");
+    resultList = result.split("\n");
     for(int i = 0; i < resultList.length(); i++)
     {
         for(int j = 0; j < symbolList.length(); j++)

module/mifare.cpp

@@ -794,7 +794,7 @@ void Mifare::setParameterC()
         QMessageBox::information(parent, tr("Info"), tr("Failed to read card."));
     else
     {
-        result.replace("\r\n", "");
+        result.replace("\n", "");
         result.replace(QRegularExpression("\\[.\\]"), "");
         result.replace("UID", "");
         result.replace("ATQA", "");
@@ -1071,7 +1071,7 @@ bool Mifare::data_loadDataFile(const QString& filename)
         else
         {
             QString tmp = buff.left(cardType.block_size * 34);
-            QStringList tmpList = tmp.split("\r\n");
+            QStringList tmpList = tmp.split("\n");
             for(int i = 0; i < cardType.block_size; i++)
             {
                 dataList->replace(i, tmpList[i].toUpper());
@@ -1174,7 +1174,7 @@ bool Mifare::data_saveDataFile(const QString& filename, bool isBin)
             for(int i = 0; i < cardType.block_size; i++)
             {
                 buff += dataList->at(i);
-                buff += "\r\n";
+                buff += "\n";
             }
         }
         bool ret = file.write(buff) != -1;

ui/mainwindow.cpp

@@ -126,11 +126,11 @@ void MainWindow::on_PM3_connectButton_clicked()
         // use the shell session to keep the environment then read it
 #ifdef Q_OS_WIN
         // cmd /c "<path>">>nul && set
-        envSetProcess.start("cmd");
-        envSetProcess.write(QString("\"" + envScriptPath.absoluteFilePath() + "\">>nul\r\n").toLatin1());
+        envSetProcess.start("cmd", {}, QProcess::Unbuffered | QProcess::ReadWrite | QProcess::Text);
+        envSetProcess.write(QString("\"" + envScriptPath.absoluteFilePath() + "\">>nul\n").toLatin1());
         envSetProcess.waitForReadyRead(10000);
         envSetProcess.readAll();
-        envSetProcess.write("set\r\n");
+        envSetProcess.write("set\n");
 #else
         // need implementation(or test if space works)
         // sh -c '. "<path>">>/dev/null && env'
@@ -138,7 +138,7 @@ void MainWindow::on_PM3_connectButton_clicked()
 #endif
         envSetProcess.waitForReadyRead(10000);
         QString envSetResult = QString(envSetProcess.readAll());
-        clientEnv = envSetResult.split(QRegExp("[\r\n]{1,2}"), QString::SkipEmptyParts);
+        clientEnv = envSetResult.split("\n", QString::SkipEmptyParts);
         if(clientEnv.size() > 2) // the first element is "set" and the last element is the current path
         {
             clientEnv.removeFirst();