Resolve #4526 added local fingerprint in server GUI

src/gui/res/MainWindowBase.ui

@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="UTF-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <ui version="4.0">
  <class>MainWindowBase</class>
  <widget class="QMainWindow" name="MainWindowBase">
@@ -117,6 +117,30 @@
          </item>
         </layout>
        </item>
+       <item>
+        <layout class="QHBoxLayout" name="horizontalLayout_3">
+         <item>
+          <widget class="QLabel" name="m_pLabelFingerprint">
+           <property name="sizePolicy">
+            <sizepolicy hsizetype="Maximum" vsizetype="Preferred">
+             <horstretch>0</horstretch>
+             <verstretch>0</verstretch>
+            </sizepolicy>
+           </property>
+           <property name="text">
+            <string>Fingerprint:</string>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <widget class="QLabel" name="m_pLabelLocalFingerprint">
+           <property name="text">
+            <string/>
+           </property>
+          </widget>
+         </item>
+        </layout>
+       </item>
        <item>
         <widget class="QRadioButton" name="m_pRadioInternalConfig">
          <property name="text">
@@ -128,7 +152,7 @@
         </widget>
        </item>
        <item>
-        <layout class="QHBoxLayout">
+        <layout class="QHBoxLayout" name="horizontalLayout_4">
          <item>
           <widget class="QPushButton" name="m_pButtonConfigureServer">
            <property name="text">

src/gui/src/Fingerprint.cpp

@@ -102,3 +102,32 @@ Fingerprint Fingerprint::trustedClients()
 {
 	return Fingerprint(kTrustedClientsFilename);
 }
+
+QString Fingerprint::localFingerprint()
+{
+	CoreInterface coreInterface;
+	QString profileDir = coreInterface.getProfileDir();
+
+	QString dirName = QString("%1/%2")
+	  .arg(profileDir)
+	  .arg(kDirName);
+
+	QString path = QString("%1/%2").arg(dirName).arg(kLocalFilename);
+
+	QFile file(path);
+	QString fingerprint;
+	if (file.open(QIODevice::ReadOnly))
+	{
+	   QTextStream in(&file);
+	   while (!in.atEnd())
+	   {
+		  QString context = in.readLine();
+		  if (!context.isEmpty()) {
+			  fingerprint = context;
+		  }
+	   }
+	   file.close();
+	}
+
+	return fingerprint;
+}

src/gui/src/Fingerprint.h

@@ -33,6 +33,8 @@ public:
 	static Fingerprint trustedServers();
 	static Fingerprint trustedClients();
 
+	static QString localFingerprint();
+
 private:
 	QString m_Filename;
 };

src/gui/src/MainWindow.cpp

@@ -941,6 +941,17 @@ void MainWindow::setEdition(int type)
 	}
 
 	setWindowTitle(title);
+
+	if (type == Pro) {
+		m_pLabelFingerprint->setVisible(true);
+		m_pLabelLocalFingerprint->setVisible(true);
+		m_pLabelLocalFingerprint->setText(
+									Fingerprint::localFingerprint());
+	}
+	else {
+		m_pLabelFingerprint->setVisible(false);
+		m_pLabelLocalFingerprint->setVisible(false);
+	}
 }
 
 void MainWindow::on_m_pGroupClient_toggled(bool on)
@@ -1222,6 +1233,7 @@ void MainWindow::updateEdition()
 	QString mac = getFirstMacAddress();
 	QString hashSrc = m_AppConfig.activateEmail() + mac;
 	QString hashResult = hash(hashSrc);
+
 	if (hashResult == m_AppConfig.userToken()) {
 		setEdition(m_AppConfig.edition());
 	}

src/gui/src/PluginManager.cpp

@@ -39,6 +39,8 @@ static QString kCertificateLifetime = "365";
 static QString kCertificateSubjectInfo = "/CN=Synergy";
 static QString kCertificateFilename = "Synergy.pem";
 static QString kUnixOpenSslCommand = "openssl";
+static const char kFingerprintDir[] = "ssl/fingerprints";
+static const char kFingerprintLocalFilename[] = "local.txt";
 
 #if defined(Q_OS_WIN)
 static const char kWinPluginExt[] = ".dll";
@@ -353,6 +355,45 @@ void PluginManager::doGenerateCertificate()
 		return;
 	}
 
+	// generate fingerprint
+	arguments.clear();
+	arguments.append("x509");
+	arguments.append("-fingerprint");
+	arguments.append("-sha1");
+	arguments.append("-noout");
+	arguments.append("-in");
+	arguments.append(filename);
+
+	if (!runProgram(openSslProgramFile, arguments, environment)) {
+		return;
+	}
+
+	// write the standard output into file
+	filename.clear();
+	filename.append(m_ProfileDir);
+	filename.append(QDir::separator()).append(kFingerprintDir);
+	QDir dir(filename);
+	if (!dir.exists()) {
+		dir.mkpath(".");
+	}
+	filename.append(QDir::separator()).append(kFingerprintLocalFilename);
+
+	// only write the fingerprint part
+	int i = m_standardOutput.indexOf("=");
+	if (i != -1) {
+		i++;
+		QString fingerprint = m_standardOutput.mid(i, m_standardOutput.size() - i);
+
+		QFile file(filename);
+		file.resize(0);
+		if (file.open(QIODevice::Append))
+		{
+			QTextStream out(&file);
+			out << fingerprint << "\n";
+			file.close();
+		}
+	}
+
 	emit generateCertificateFinished();
 }
 
@@ -365,10 +406,10 @@ bool PluginManager::runProgram(
 
 	bool success = process.waitForStarted();
 
-	QString standardOutput, standardError;
+	QString standardError;
 	if (success && process.waitForFinished())
 	{
-		standardOutput = process.readAllStandardOutput().trimmed();
+		m_standardOutput = process.readAllStandardOutput().trimmed();
 		standardError = process.readAllStandardError().trimmed();
 	}
 

src/gui/src/PluginManager.h

@@ -67,6 +67,7 @@ private:
 	int m_DownloadIndex;
 	DataDownloader m_DataDownloader;
 	CoreInterface m_CoreInterface;
+	QString m_standardOutput;
 };
 
 #endif // PLUGINMANAGER_H