SYNERGY-1017 - Add secure input detection and notification

src/gui/src/MainWindow.cpp

@@ -328,6 +328,23 @@ void MainWindow::saveSettings()
     GUI::Config::ConfigWriter::make()->globalSave();
 }
 
+void MainWindow::checkSystemInterruptions()
+{
+    if(synergyType() == synergyServer)
+    {
+#if defined(Q_OS_MAC)
+        if(!m_isSecureInputNotificationShown && isOSXSecureInputEnabled())
+        {
+            m_isSecureInputNotificationShown = true;
+            QMessageBox message(this);
+            message.addButton(QObject::tr("Accept"), QMessageBox::AcceptRole);
+            message.setText(QObject::tr("Secure input was enabled in your system by another application, synergy will not be able to send keyboard strikes while the secure input is enabled"));
+            message.exec();
+        }
+#endif
+    }
+}
+
 void MainWindow::zeroConfToggled() {
 #if !defined(SYNERGY_ENTERPRISE) && defined(SYNERGY_AUTOCONFIG)
     updateZeroconfService();
@@ -698,6 +715,7 @@ void MainWindow::startSynergy()
         connect(synergyProcess(), SIGNAL(finished(int, QProcess::ExitStatus)), this, SLOT(synergyFinished(int, QProcess::ExitStatus)));
         connect(synergyProcess(), SIGNAL(readyReadStandardOutput()), this, SLOT(logOutput()));
         connect(synergyProcess(), SIGNAL(readyReadStandardError()), this, SLOT(logError()));
+        connect(&m_systemInterruptionCheckTimer, SIGNAL(timeout()), this, SLOT(checkSystemInterruptions()));
     }
 
     qDebug() << args;
@@ -1015,6 +1033,7 @@ void MainWindow::setSynergyState(qSynergyState state)
         connect (m_pButtonToggleStart, SIGNAL(clicked()), m_pActionStopSynergy, SLOT(trigger()));
         m_pButtonToggleStart->setText(tr("&Stop"));
         m_pButtonApply->setEnabled(true);
+        m_systemInterruptionCheckTimer.start(5000); // check every 5 seconds
     }
     else if (state == synergyDisconnected)
     {
@@ -1022,6 +1041,7 @@ void MainWindow::setSynergyState(qSynergyState state)
         connect (m_pButtonToggleStart, SIGNAL(clicked()), m_pActionStartSynergy, SLOT(trigger()));
         m_pButtonToggleStart->setText(tr("&Start"));
         m_pButtonApply->setEnabled(false);
+        m_systemInterruptionCheckTimer.stop();
     }
 
     bool running = false;

src/gui/src/MainWindow.h

@@ -164,6 +164,7 @@ public slots:
         void logError();
         void updateFound(const QString& version);
         void saveSettings();
+        void checkSystemInterruptions();
 
         /// @brief Receives the signal that the auto config option has changed
         void zeroConfToggled();
@@ -246,6 +247,11 @@ public slots:
         QString             m_SecureSocketVersion;      // brief Contains the version of the Secure Socket currently active
         ServerConnection    m_serverConnection;
         ClientConnection    m_clientConnection;
+        QTimer              m_systemInterruptionCheckTimer; // Timer used for sceduling a task for detecting the system
+                                                            // operations preventing the Synergy from working properly
+#if defined(Q_OS_MAC)
+        bool                m_isSecureInputNotificationShown = false;
+#endif
 
         void                updateAutoConfigWidgets();
         

src/gui/src/OSXHelpers.h

@@ -19,6 +19,8 @@
 
 #define OSXHELPERS__H
 
+bool isOSXSecureInputEnabled();
+void OSXSendSecureInputNotification();
 bool isOSXInterfaceStyleDark();
 bool isOSXUseDarkIcons();
 

src/gui/src/OSXHelpers.mm

@@ -20,6 +20,71 @@
 #import <Foundation/Foundation.h>
 #import <CoreData/CoreData.h>
 #import <Cocoa/Cocoa.h>
+#import <array>
+#import <string>
+
+NSString* runCommand(NSString* commandToRun)
+{
+    NSTask *task = [[NSTask alloc] init];
+    [task setLaunchPath:@"/bin/sh"];
+
+    NSArray *arguments = [NSArray arrayWithObjects:
+                          @"-c" ,
+                          [NSString stringWithFormat:@"%@", commandToRun],
+                          nil];
+    NSLog(@"run command:%@", commandToRun);
+    [task setArguments:arguments];
+
+    NSPipe *pipe = [NSPipe pipe];
+    [task setStandardOutput:pipe];
+
+    NSFileHandle *file = [pipe fileHandleForReading];
+
+    [task launch];
+
+    NSData *data = [file readDataToEndOfFile];
+
+    NSString *output = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
+    return output;
+}
+
+bool
+isOSXSecureInputEnabled()
+{
+    //NSString *output = runCommand(@"ioreg -l -w 0 | grep kCGSSessionSecureInputPID");
+    //NSLog (@"grep returned:\n%@", output);
+
+    /*
+    int pid = [[NSProcessInfo processInfo] processIdentifier];
+    NSPipe *pipe = [NSPipe pipe];
+    NSFileHandle *file = pipe.fileHandleForReading;
+
+    NSTask *task = [[NSTask alloc] init];
+    task.launchPath = @"/usr/sbin/ioreg";
+    task.arguments = @[@"-l", @"-w", @"0"];
+    task.standardOutput = pipe;
+
+    [task launch];
+
+    NSData *data = [file readDataToEndOfFile];
+    [file closeFile];
+
+    NSString *grepOutput = [[NSString alloc] initWithData: data encoding: NSUTF8StringEncoding];
+    NSLog (@"grep returned:\n%@", grepOutput);
+    */
+
+    std::array<char, 128> buffer;
+    std::string result;
+    std::unique_ptr<FILE, decltype(&pclose)> pipe(popen("ioreg -l -w 0 | grep kCGSSessionSecureInputPID", "r"), pclose);
+    if (!pipe) {
+        return false;
+    }
+    while (fgets(buffer.data(), buffer.size(), pipe.get()) != nullptr)
+    {
+        result += buffer.data();
+    }
+    return result.length() > 0;
+}
 
 bool
 isOSXInterfaceStyleDark()

src/lib/platform/OSXScreen.mm

@@ -46,11 +46,6 @@
 #include <AvailabilityMacros.h>
 #include <IOKit/hidsystem/event_status_driver.h>
 #include <AppKit/NSEvent.h>
-#include <UserNotifications/UNNotification.h>
-#include <UserNotifications/UNNotificationContent.h>
-#include <UserNotifications/UNNotificationSound.h>
-#include <UserNotifications/UNNotificationTrigger.h>
-#include <UserNotifications/UNUserNotificationCenter.h>
 
 // This isn't in any Apple SDK that I know of as of yet.
 enum {
@@ -923,25 +918,7 @@ bool isSecureInput() {
 void
 OSXScreen::enter()
 {
-
+	bool secure = isSecureInput();
-    // Configure the notification's payload.
-    UNMutableNotificationContent* content = [[UNMutableNotificationContent alloc] init];
-    content.title = [NSString localizedUserNotificationStringForKey:@"Hello!" arguments:nil];
-    content.body = [NSString localizedUserNotificationStringForKey:@"Hello_message_body"
-                arguments:nil];
-    content.sound = [UNNotificationSound defaultSound];
-
-    // Deliver the notification in five seconds.
-    UNTimeIntervalNotificationTrigger* trigger = [UNTimeIntervalNotificationTrigger
-                triggerWithTimeInterval:5 repeats:NO];
-    UNNotificationRequest* request = [UNNotificationRequest requestWithIdentifier:@"FiveSecond"
-                content:content trigger:trigger];
-
-    // Schedule the notification.
-    UNUserNotificationCenter* center = [UNUserNotificationCenter currentNotificationCenter];
-    [center addNotificationRequest:request];
-
-    bool secure = isSecureInput();
 
 	showCursor();