Merge pull request 'feature/sata-usb-info' (#76) from feature/sata-usb-info into master

Reviewed-on: #76

README.md

@@ -9,7 +9,7 @@
 * process multiple drives at once
 
 ## Download USB Image ##
-[2.5GB image v1.0.0](https://schuttercloud.com/s/ggxGH9sA326aRfK)   (`wget` is your friend)
+See reHDD-Bootable how the live image created: https://git.mosad.xyz/localhorst/reHDD-Bootable
 
 Use [Etcher](https://www.balena.io/etcher/#download) or `dd` to create an bootable USB drive .
 

include/drive.h

@@ -25,6 +25,14 @@ public:
         FROZEN
     } state;
 
+    enum ConnectionType
+    {
+        UNKNOWN,
+        USB,
+        SATA,
+        NVME
+    } connectionType;
+
     struct
     {
         time_t u32ShredTimeDelta;
@@ -34,6 +42,7 @@ public:
     } sShredSpeed;
 
     bool bWasShredded = false;     // all shred iterations done
+    bool bWasShredStarted = false; // shred was atleast once started
     bool bWasChecked = false;      // all shred iterations and optional checking done
     bool bWasDeleted = false;
     bool bIsOffline = false;

include/reHDD.h

@@ -8,7 +8,7 @@
 #ifndef REHDD_H_
 #define REHDD_H_
 
-#define REHDD_VERSION "V1.1.1"
+#define REHDD_VERSION "V1.2.0"
 
 // Drive handling Settings
 #define WORSE_HOURS 19200    // mark drive if at this limit or beyond
@@ -20,18 +20,18 @@
 
 // Logger Settings
 #define LOG_PATH "./reHDD.log"
-#define DESCRIPTION "reHDD - Copyright Hendrik Schutter 2024"
+#define DESCRIPTION "reHDD - Copyright Hendrik Schutter 2025"
 #define DEVICE_ID "generic"
 #define SOFTWARE_VERSION REHDD_VERSION
 #define HARDWARE_VERSION "generic"
 
-// #define LOG_LEVEL_HIGH  //log everything, like drive scan thread
+// #define LOG_LEVEL_HIGH // log everything, like drive scan thread
 #ifndef LOG_LEVEL_HIGH
 #define LOG_LEVEL_LOW // log only user actions and tasks
 #endif
 
 // Logic
-// #define DRYRUN //don´t touch the drives
+// #define DRYRUN    // don't touch the drives
 #define FROZEN_ALERT // show alert if drive is frozen
 #define ZERO_CHECK   // check drive after shred if all bytes are zero, show alert if this fails
 
@@ -86,6 +86,7 @@ private:
     static void searchDrives(list<Drive> *plistDrives);
     static void printDrives(list<Drive> *plistDrives);
     static void startShredAllDrives(list<Drive> *plistDrives);
+    static void stopShredAllDrives(list<Drive> *plistDrives);
     static void updateShredMetrics(list<Drive> *plistDrives);
     static void filterIgnoredDrives(list<Drive> *plistDrives);
     static void filterInvalidDrives(list<Drive> *plistDrives);
@@ -101,6 +102,7 @@ private:
     static void handleESC();
     static void handleAbort();
     static Drive *getSelectedDrive();
+    static bool getSystemDrive(string &systemDrive);
 };
 
 #endif // REHDD_H_

include/smart.h

@@ -19,24 +19,15 @@ public:
 private:
     SMART(void);
 
-    static uint8_t parseExitStatus(string sLine);
+    static bool parseExitStatus(string sLine, uint8_t &status);
-    static void parseModelFamily(string sLine);
+    static bool parseModelFamily(string sLine, string &modelFamily);
-    static void parseModelName(string sLine);
+    static bool parseModelName(string sLine, string &modelName);
-    static void parseSerial(string sLine);
+    static bool parseSerial(string sLine, string &serial);
-    static void parseCapacity(string sLine);
+    static bool parseCapacity(string sLine, uint64_t &capacity);
-    static void parseErrorCount(string sLine);
+    static bool parseErrorCount(string sLine, uint32_t &errorCount);
-    static void parsePowerOnHours(string sLine);
+    static bool parsePowerOnHours(string sLine, uint32_t &powerOnHours);
-    static void parsePowerCycle(string sLine);
+    static bool parsePowerCycles(string sLine, uint32_t &powerCycles);
-    static void parseTemperature(string sLine);
+    static bool parseTemperature(string sLine, uint32_t &temperature);
-
-    static string modelFamily;
-    static string modelName;
-    static string serial;
-    static uint64_t capacity;
-    static uint32_t errorCount;
-    static uint32_t powerOnHours;
-    static uint32_t powerCycle;
-    static uint32_t temperature;
 };
 
 #endif // SMART_H_

include/tui.h

@@ -31,6 +31,7 @@ public:
         Delete,
         Enter,
         ESC,
+        Terminate,
         Undefined
     };
     struct MenuState
@@ -66,7 +67,7 @@ private:
     static WINDOW *createOverViewWindow(int iXSize, int iYSize);
     static WINDOW *createDetailViewWindow(int iXSize, int iYSize, int iXStart, Drive drive);
     static WINDOW *overwriteDetailViewWindow(int iXSize, int iYSize, int iXStart);
-    static WINDOW *createEntryWindow(int iXSize, int iYSize, int iXStart, int iYStart, int iListIndex, string sModelFamily, string sSerial, string sCapacity, string sState, string sTime, string sSpeed, string sTemp, bool bSelected);
+    static WINDOW *createEntryWindow(int iXSize, int iYSize, int iXStart, int iYStart, int iListIndex, string sModelFamily, string sSerial, string sCapacity, string sState, string sTime, string sSpeed, string sTemp, string sConnection, bool bSelected);
     static WINDOW *createSystemStats(int iXSize, int iYSize, int iXStart, int iYStart);
     static WINDOW *createMenuView(int iXSize, int iYSize, int iXStart, int iYStart, struct MenuState menustate);
     static WINDOW *createDialog(int iXSize, int iYSize, int iXStart, int iYStart, string selectedTask, string optionA, string optionB);

src/delete.cpp

@@ -32,6 +32,9 @@ void Delete::deleteDrive(Drive *drive)
     const char *cpComand = sCMD.c_str();
     // cout << "delete: " << cpComand << endl;
 
+    if (drive->bWasShredStarted == false)
+    {
+        //only start delete if the drive was not shredded before
         FILE *deleteCmdOutput = popen(cpComand, "r");
 
         while ((getline(&cLine, &len, deleteCmdOutput)) != -1)
@@ -39,4 +42,5 @@ void Delete::deleteDrive(Drive *drive)
             // wipefs running
         }
         pclose(deleteCmdOutput);
+    }
 }

src/reHDD.cpp

@@ -197,6 +197,12 @@ void reHDD::ThreadUserInput()
             handleESC();
             ui->updateTUI(&listDrives, u8SelectedEntry);
             break;
+        case TUI::UserInput::Terminate:
+            cout << "Terminate" << endl;
+            stopShredAllDrives(&listDrives);
+            sleep(5);     // sleep 5 sec
+            std::exit(1); // Terminates main, doesn't wait for threads
+            break;
         default:
             break;
         }
@@ -300,41 +306,51 @@ void reHDD::filterNewDrives(list<Drive> *plistOldDrives, list<Drive> *plistNewDr
  * \param	pointer of list <Drive>* plistDrives
  * \return  void
  */
-void reHDD::searchDrives(list<Drive> *plistDrives)
+void reHDD::searchDrives(std::list<Drive> *plistDrives)
 {
-    // Logger::logThis()->info("-->    search drives   <--");
+    FILE *fp = popen("lsblk -d -n -o NAME,TRAN", "r");
-    char *cLine = NULL;
+    if (!fp)
-    size_t len = 0;
-
-    FILE *outputfileHwinfo = popen("lsblk -e 11 -d -o NAME", "r");
-
-    if (outputfileHwinfo == NULL)
     {
-        Logger::logThis()->error("Unable to scan attached drives");
+        Logger::logThis()->error("Unable to execute lsblk to scan drives");
         exit(EXIT_FAILURE);
     }
 
-    while ((getline(&cLine, &len, outputfileHwinfo)) != -1)
+    char line[256];
+    while (fgets(line, sizeof(line), fp))
     {
-        if (string(cLine).length() == 4)
+        std::string devName, transport;
-        {
+        std::istringstream iss(line);
-            Drive *tmpDrive = new Drive("/dev/" + string(cLine).substr(0, 3));
+        iss >> devName >> transport;
+
+        if (devName.empty())
+            continue;
+
+        Drive *tmpDrive = new Drive("/dev/" + devName);
         tmpDrive->state = Drive::NONE;
         tmpDrive->bIsOffline = false;
+
+        // Set connection type
+        if (transport == "sata")
+            tmpDrive->connectionType = Drive::SATA;
+        else if (transport == "usb")
+            tmpDrive->connectionType = Drive::USB;
+        else if (transport == "nvme")
+            tmpDrive->connectionType = Drive::NVME;
+        else
+            tmpDrive->connectionType = Drive::UNKNOWN;
+
         plistDrives->push_back(*tmpDrive);
-            // Logger::logThis()->info("SATA drive found: " + tmpDrive->getPath());
+
+        Logger::logThis()->info(
+            "Drive found: " + tmpDrive->getPath() +
+            " (type: " +
+            (tmpDrive->connectionType == Drive::USB ? "USB" : tmpDrive->connectionType == Drive::SATA ? "SATA"
+                                                          : tmpDrive->connectionType == Drive::NVME   ? "NVME"
+                                                                                                      : "UNKNOWN") +
+            ")");
     }
 
-        if (string(cLine).length() == 8)
+    pclose(fp);
-        {
-            Drive *tmpDrive = new Drive("/dev/" + string(cLine).substr(0, 7));
-            tmpDrive->state = Drive::NONE;
-            tmpDrive->bIsOffline = false;
-            plistDrives->push_back(*tmpDrive);
-            // Logger::logThis()->info("NVME drive found: " + tmpDrive->getPath());
-        }
-    }
-    pclose(outputfileHwinfo);
 }
 
 /**
@@ -344,6 +360,26 @@ void reHDD::searchDrives(list<Drive> *plistDrives)
  */
 void reHDD::filterIgnoredDrives(list<Drive> *plistDrives)
 {
+    string systemDrivePath;
+    if (getSystemDrive(systemDrivePath))
+    {
+        // Logger::logThis()->info("Found system drive: " + systemDrivePath);
+
+        list<Drive>::iterator it;
+        for (it = plistDrives->begin(); it != plistDrives->end(); ++it)
+        {
+            if (it->getPath().find(systemDrivePath) != std::string::npos) // compare found system drive and current drive
+            {
+                // system drive found --> ignore this drive
+#ifdef LOG_LEVEL_HIGH
+                Logger::logThis()->info("system drive found --> ignore this drive: " + it->getPath());
+#endif
+                it = plistDrives->erase(it);
+                it--;
+            }
+        }
+    }
+
     list<tuple<string>> vtlIgnoredDevices; // store drives from ignore file
     ifstream input("ignoreDrives.conf");   // read ignore file
 
@@ -444,6 +480,34 @@ void reHDD::startShredAllDrives(list<Drive> *plistDrives)
     mxDrives.unlock();
 }
 
+/**
+ * \brief   stop shred for all drives
+ * \param	pointer of list <Drive>* plistDrives
+ * \return  void
+ */
+void reHDD::stopShredAllDrives(list<Drive> *plistDrives)
+{
+    list<Drive>::iterator it;
+    mxDrives.lock();
+    for (it = plistDrives->begin(); it != plistDrives->end(); ++it)
+    {
+
+        if (it->state == Drive::SHRED_ACTIVE || it->state == Drive::DELETE_ACTIVE)
+        {
+            it->state = Drive::NONE;
+            Logger::logThis()->info("Abort-Shred-Signal for: " + it->getModelName() + "-" + it->getSerial());
+            // task for drive is running --> remove selection
+        }
+
+#ifdef LOG_LEVEL_HIGH
+        ostringstream address;
+        address << (void const *)&(*it);
+        Logger::logThis()->info("Started shred (all) for: " + it->getModelName() + "-" + it->getSerial() + " @" + address.str());
+#endif
+    }
+    mxDrives.unlock();
+}
+
 /**
  * \brief   print drives with all information
  * \param	pointer of list <Drive>* plistDrives
@@ -560,7 +624,7 @@ void reHDD::handleEnter()
         {
             Logger::logThis()->info("Started shred/check for: " + getSelectedDrive()->getModelName() + "-" + getSelectedDrive()->getSerial());
             getSelectedDrive()->state = Drive::TaskState::SHRED_ACTIVE;
-            // task for drive is running --> don´t show  more task options
+            // task for drive is running --> don't show  more task options
             Drive *pTmpDrive = getSelectedDrive();
             thread(ThreadShred, pTmpDrive).detach();
         }
@@ -569,7 +633,7 @@ void reHDD::handleEnter()
         {
             Logger::logThis()->info("Started delete for: " + getSelectedDrive()->getModelName() + "-" + getSelectedDrive()->getSerial());
             getSelectedDrive()->state = Drive::TaskState::DELETE_ACTIVE;
-            // task for drive is running --> don´t show  more task options
+            // task for drive is running --> don't show  more task options
             thread(ThreadDelete).detach();
         }
     }
@@ -605,3 +669,59 @@ void reHDD::handleAbort()
         }
     }
 }
+
+bool reHDD::getSystemDrive(string &systemDrive)
+{
+    char *cLine = NULL;
+    size_t len = 0;
+    bool systemDriveFound = false;
+
+    FILE *outputfileHwinfo = popen("lsblk -e 11 -o NAME,MOUNTPOINT", "r");
+
+    if (outputfileHwinfo == NULL)
+    {
+        Logger::logThis()->error("Unable to scan attached drives for system drive");
+        exit(EXIT_FAILURE);
+    }
+
+    while ((getline(&cLine, &len, outputfileHwinfo)) != -1)
+    {
+        string currentLine = cLine;
+
+        if (currentLine.find("NAME") != std::string::npos)
+        {
+            continue;
+        }
+
+        // Logger::logThis()->info(currentLine);
+
+        if ((cLine[0U] != '|') && (cLine[0U] != '`'))
+        {
+            systemDrive = currentLine;
+            systemDrive.erase(std::remove(systemDrive.begin(), systemDrive.end(), '\n'), systemDrive.end()); // remove newline
+            systemDrive.erase(std::remove(systemDrive.begin(), systemDrive.end(), ' '), systemDrive.end());  // remove spaces
+            // Logger::logThis()->info("Drive found: " + systemDrive);
+        }
+
+        if (currentLine.ends_with(" /boot/efi\n"s))
+        {
+            systemDriveFound = true;
+            break;
+        }
+
+        if (currentLine.ends_with(" /run/overlay/live\n"s))
+        {
+            systemDriveFound = true;
+            break;
+        }
+
+        if (currentLine.ends_with(" /\n"s))
+        {
+            systemDriveFound = true;
+            break;
+        }
+    }
+    pclose(outputfileHwinfo);
+
+    return systemDriveFound;
+}

src/shred.cpp

@@ -36,6 +36,7 @@ int Shred::shredDrive(Drive *drive, int *ipSignalFd)
     ostringstream address;
     address << (void const *)&(*drive);
     Logger::logThis()->info("Shred-Task started - Drive: " + drive->getModelName() + "-" + drive->getSerial() + " @" + address.str());
+    drive->bWasShredStarted = true; //Mark drive as partly shredded
 
 #ifdef DRYRUN
     for (int i = 0; i <= 500; i++)
@@ -48,6 +49,7 @@ int Shred::shredDrive(Drive *drive, int *ipSignalFd)
         write(*ipSignalFd, "A", 1);
         usleep(20000);
     }
+    drive->bWasShredded = true;
 #endif
 
 #ifndef DRYRUN
@@ -90,8 +92,7 @@ int Shred::shredDrive(Drive *drive, int *ipSignalFd)
     tfng_prng_seedkey(ucKey);
 
     this->ulDriveByteSize = getDriveSizeInBytes(driveFileDiscr);
-    drive->sShredSpeed.chronoShredTimestamp = std::chrono::system_clock::now();
+    drive->sShredSpeed.chronoShredTimestamp = std::chrono::system_clock::now(); // set inital timestamp for speed metric
-    ;                                                  // set inital timestamp for speed metric
     drive->sShredSpeed.ulSpeedMetricBytesWritten = 0U; // uses to calculate speed metric
 
 #ifdef LOG_LEVEL_HIGH
@@ -186,7 +187,7 @@ int Shred::shredDrive(Drive *drive, int *ipSignalFd)
     Logger::logThis()->info("Check-Task started - Drive: " + drive->getModelName() + "-" + drive->getSerial() + " @" + address.str());
     drive->u32DriveChecksumAfterShredding = uiCalcChecksum(driveFileDiscr, drive, ipSignalFd);
 #ifdef LOG_LEVEL_HIGH
-    if (drive->u32DriveChecksumAferShredding != 0)
+    if (drive->u32DriveChecksumAfterShredding != 0)
     {
         Logger::logThis()->info("Shred-Task: Checksum not zero: " + to_string(drive->u32DriveChecksumAfterShredding) + " - Drive: " + drive->getSerial());
     }

src/smart.cpp

@@ -7,15 +7,6 @@
 
 #include "../include/reHDD.h"
 
-string SMART::modelFamily;
-string SMART::modelName;
-string SMART::serial;
-uint64_t SMART::capacity = 0U;
-uint32_t SMART::errorCount = 0U;
-uint32_t SMART::powerOnHours = 0U;
-uint32_t SMART::powerCycle = 0U;
-uint32_t SMART::temperature = 0U;
-
 /**
  * \brief   get and set S.M.A.R.T. values in Drive
  * \param	pointer of Drive instance
@@ -23,16 +14,20 @@ uint32_t SMART::temperature = 0U;
  */
 void SMART::readSMARTData(Drive *drive)
 {
+    string modelFamily;
+    string modelName;
+    string serial;
+    uint64_t capacity = 0U;
+    uint32_t errorCount = 0U;
+    uint32_t powerOnHours = 0U;
+    uint32_t powerCycles = 0U;
+    uint32_t temperature = 0U;
+
     modelFamily.clear();
     modelName.clear();
     serial.clear();
-    capacity = 0U;
-    errorCount = 0U;
-    powerOnHours = 0U;
-    powerCycle = 0U;
-    temperature = 0U;
 
-    string sSmartctlCommands[] = {" --json -a ", " --json -d sntjmicron -a ", " --json -d sntasmedia -a ", " --json -d sntrealtek -a "};
+    string sSmartctlCommands[] = {" --json -a ", " --json -d sntjmicron -a ", " --json -d sntasmedia -a ", " --json -d sntrealtek -a ", " --json -d sat -a "};
 
     for (string sSmartctlCommand : sSmartctlCommands)
     {
@@ -41,24 +36,26 @@ void SMART::readSMARTData(Drive *drive)
         sCMD.append(drive->getPath());
         const char *cpComand = sCMD.c_str();
 
+        //Logger::logThis()->info(cpComand);
+
         FILE *outputfileSmart = popen(cpComand, "r");
-        size_t len = 0;     // length of found line
+        size_t len = 0U;     // length of found line
         char *cLine = NULL; // found line
-        uint8_t status = 255;
+        uint8_t status = 255U;
 
         while ((getline(&cLine, &len, outputfileSmart)) != -1)
         {
             string sLine = string(cLine);
 
-            status = SMART::parseExitStatus(sLine);
+            SMART::parseExitStatus(sLine, status);
-            SMART::parseModelFamily(sLine);
+            SMART::parseModelFamily(sLine, modelFamily);
-            SMART::parseModelName(sLine);
+            SMART::parseModelName(sLine, modelName);
-            SMART::parseSerial(sLine);
+            SMART::parseSerial(sLine, serial);
-            SMART::parseCapacity(sLine);
+            SMART::parseCapacity(sLine, capacity);
-            SMART::parseErrorCount(sLine);
+            SMART::parseErrorCount(sLine, errorCount);
-            SMART::parsePowerOnHours(sLine);
+            SMART::parsePowerOnHours(sLine, powerOnHours);
-            SMART::parsePowerCycle(sLine);
+            SMART::parsePowerCycles(sLine, powerCycles);
-            SMART::parseTemperature(sLine);
+            SMART::parseTemperature(sLine, temperature);
         }
 
         pclose(outputfileSmart);
@@ -66,71 +63,89 @@ void SMART::readSMARTData(Drive *drive)
         if (status == 0U)
         {
             // Found S.M.A.R.T. data with this command
+            //Logger::logThis()->info("Found S.M.A.R.T. data with this command");
             break;
         }
     }
 
-    drive->setDriveSMARTData(modelFamily, modelName, serial, capacity, errorCount, powerOnHours, powerCycle, temperature); // wirte data in drive
+    drive->setDriveSMARTData(modelFamily, modelName, serial, capacity, errorCount, powerOnHours, powerCycles, temperature); // write data in drive
 }
 
 /**
  * \brief parse ExitStatus
  * \param string output line of smartctl
- * \return  uint_8 exit status
+ * \param uint8_t parsed status
+ * \return bool if parsing was possible
  */
-uint8_t SMART::parseExitStatus(string sLine)
+bool SMART::parseExitStatus(string sLine, uint8_t &status)
 {
-    uint8_t exitStatus = -1;
     string search("\"exit_status\": ");
     size_t found = sLine.find(search);
     if (found != string::npos)
     {
-        sLine.erase(0, sLine.find(": ") + 1);
+        sLine.erase(0U, sLine.find(": ") + 1U);
-        exitStatus = stol(sLine);
+        status = stol(sLine);
+        return true;
+    }
+    else
+    {
+        return false;
     }
-    return exitStatus;
 }
 
 /**
- * \brief   parse ModelFamiliy
+ * \brief parse ModelFamily
  * \param string output line of smartctl
- * \return  void
+ * \param string parsed model family
+ * \return bool if parsing was possible
  */
-void SMART::parseModelFamily(string sLine)
+bool SMART::parseModelFamily(string sLine, string &modelFamily)
 {
     string search("\"model_family\": ");
     size_t found = sLine.find(search);
     if (found != string::npos)
     {
-        sLine.erase(0, sLine.find(": ") + 3);
+        sLine.erase(0U, sLine.find(": ") + 3U);
-        sLine.erase(sLine.length() - 3, 3);
+        sLine.erase(sLine.length() - 3U, 3U);
         modelFamily = sLine;
+        return true;
+    }
+    else
+    {
+        return false;
     }
 }
 
 /**
  * \brief parse ModelName
  * \param string output line of smartctl
- * \return  void
+ * \param string parsed model name
+ * \return bool if parsing was possible
  */
-void SMART::parseModelName(string sLine)
+bool SMART::parseModelName(string sLine, string &modelName)
 {
     string search("\"model_name\": ");
     size_t found = sLine.find(search);
     if (found != string::npos)
     {
-        sLine.erase(0, sLine.find(": ") + 3);
+        sLine.erase(0U, sLine.find(": ") + 3U);
-        sLine.erase(sLine.length() - 3, 3);
+        sLine.erase(sLine.length() - 3U, 3U);
         modelName = sLine;
+        return true;
+    }
+    else
+    {
+        return false;
     }
 }
 
 /**
  * \brief parse Serial
  * \param string output line of smartctl
- * \return  void
+ * \param string parsed serial
+ * \return bool if parsing was possible
  */
-void SMART::parseSerial(string sLine)
+bool SMART::parseSerial(string sLine, string &serial)
 {
     string search("\"serial_number\": ");
     size_t found = sLine.find(search);
@@ -139,15 +154,21 @@ void SMART::parseSerial(string sLine)
         sLine.erase(0, sLine.find(": ") + 3);
         sLine.erase(sLine.length() - 3, 3);
         serial = sLine;
+        return true;
+    }
+    else
+    {
+        return false;
     }
 }
 
 /**
  * \brief parse Capacity
  * \param string output line of smartctl
- * \return  void
+ *  \param string parsed capacity
+ * \return bool if parsing was possible
  */
-void SMART::parseCapacity(string sLine)
+bool SMART::parseCapacity(string sLine, uint64_t &capacity)
 {
     string search("\"bytes\": ");
     size_t found = sLine.find(search);
@@ -156,49 +177,67 @@ void SMART::parseCapacity(string sLine)
         sLine.erase(0, sLine.find(": ") + 2);
         sLine.erase(sLine.length() - 1, 1);
         capacity = stol(sLine);
+        return true;
+    }
+    else
+    {
+        return false;
     }
 }
 
 /**
  * \brief parse ErrorCount
  * \param string output line of smartctl
- * \return  void
+ * \param uint32_t parsed error count
+ * \return bool if parsing was possible
  */
-void SMART::parseErrorCount(string sLine)
+bool SMART::parseErrorCount(string sLine, uint32_t &errorCount)
 {
     string search("\"error_count_total\": ");
     size_t found = sLine.find(search);
     if (found != string::npos)
     {
-        sLine.erase(0, sLine.find(": ") + 2);
+        sLine.erase(0U, sLine.find(": ") + 2U);
-        sLine.erase(sLine.length() - 2, 2);
+        sLine.erase(sLine.length() - 2U, 2U);
         errorCount = stol(sLine);
+        return true;
+    }
+    else
+    {
+        return false;
     }
 }
 
 /**
  * \brief parse PowerOnHours
- * \param	string output line of smartctl
+ * \param string output line of smartctl\
- * \return  void
+ * \param uint32_t parsed power on hours
+ * \return bool if parsing was possible
  */
-void SMART::parsePowerOnHours(string sLine)
+bool SMART::parsePowerOnHours(string sLine, uint32_t &powerOnHours)
 {
     string search("\"hours\": ");
     size_t found = sLine.find(search);
     if (found != string::npos)
     {
-        sLine.erase(0, sLine.find(": ") + 2);
+        sLine.erase(0U, sLine.find(": ") + 2U);
-        sLine.erase(sLine.length() - 1, 1);
+        sLine.erase(sLine.length() - 1U, 1U);
         powerOnHours = stol(sLine);
+        return true;
+    }
+    else
+    {
+        return false;
     }
 }
 
 /**
  * \brief parse PowerCycle
  * \param string output line of smartctl
- * \return  void
+ * \param uint32_t parsed power cycles
+ * \return bool if parsing was possible
  */
-void SMART::parsePowerCycle(string sLine)
+bool SMART::parsePowerCycles(string sLine, uint32_t &powerCycles)
 {
     string search("\"power_cycle_count\": ");
     size_t found = sLine.find(search);
@@ -206,23 +245,29 @@ void SMART::parsePowerCycle(string sLine)
     {
         sLine.erase(0, sLine.find(": ") + 2);
         sLine.erase(sLine.length() - 2, 2);
-        powerCycle = stol(sLine);
+        powerCycles = stol(sLine);
+        return true;
+    }
+    else
+    {
+        return false;
     }
 }
 
 /**
  * \brief parse temperature
  * \param string output line of smartctl
- * \return  void
+ * \param uint32_t parsed temperature
+ * \return bool if parsing was possible
  */
-void SMART::parseTemperature(string sLine)
+bool SMART::parseTemperature(string sLine, uint32_t &temperature)
 {
     string search("\"current\": ");
     size_t found = sLine.find(search);
     if (found != string::npos)
     {
-        sLine.erase(0, sLine.find(": ") + 2);
+        sLine.erase(0U, sLine.find(": ") + 2U);
-        sLine.erase(sLine.length() - 1, 2);
+        sLine.erase(sLine.length() - 1U, 2U);
         if (sLine == "{")
         {
             temperature = 0U; // this drive doesn't support temperature
@@ -231,5 +276,10 @@ void SMART::parseTemperature(string sLine)
         {
             temperature = stol(sLine);
         }
+        return true;
+    }
+    else
+    {
+        return false;
     }
 }

src/tui.cpp

@@ -43,11 +43,21 @@ void TUI::initTUI()
 
     init_pair(COLOR_AREA_ENTRY_EVEN, COLOR_BLACK, COLOR_WHITE);
     init_pair(COLOR_AREA_ENTRY_ODD, COLOR_BLUE, COLOR_WHITE);
+
+#ifdef DRYRUN
+    init_pair(COLOR_AREA_ENTRY_SELECTED, COLOR_WHITE, COLOR_GREEN);
+#else
     init_pair(COLOR_AREA_ENTRY_SELECTED, COLOR_WHITE, COLOR_RED);
+#endif
+
     init_pair(COLOR_AREA_OVERVIEW, COLOR_BLACK, COLOR_WHITE);
     init_pair(COLOR_AREA_DETAIL, COLOR_BLACK, COLOR_WHITE);
 
+#ifdef DRYRUN
+    mvprintw(0, 2, "reHDD - HDD refurbishing tool - GPL 3.0    DRYRUN is active! Don't use in production!");
+#else
     mvprintw(0, 2, "reHDD - HDD refurbishing tool - GPL 3.0 ");
+#endif
     Logger::logThis()->info("UI successfully initialized");
 }
 
@@ -83,6 +93,9 @@ void TUI::updateTUI(list<Drive> *plistDrives, uint8_t u8SelectedEntry)
         string sSpeed = " ";
         string sTime = " ";
         string sTemp = it->sTemperatureToText();
+        string sConnection = (it->connectionType == Drive::USB ? "USB" : it->connectionType == Drive::SATA ? "SATA"
+                                                                     : it->connectionType == Drive::NVME   ? "NVME"
+                                                                                                           : "");
 
         bool bSelectedEntry = false;
 
@@ -172,7 +185,7 @@ void TUI::updateTUI(list<Drive> *plistDrives, uint8_t u8SelectedEntry)
 
         uint16_t u16StartOffsetY = (2 * (u8Index));
 
-        WINDOW *tmp = createEntryWindow((int)(u16StdscrX * (float)(3.0 / 7.0) - 2), 2, 3, u16StartOffsetY + 2, (distance(plistDrives->begin(), it) + 1), sModelFamily, sSerial, sCapacity, sState, sTime, sSpeed, sTemp, bSelectedEntry);
+        WINDOW *tmp = createEntryWindow((int)(u16StdscrX * (float)(3.0 / 7.0) - 2), 2, 3, u16StartOffsetY + 2, (distance(plistDrives->begin(), it) + 1), sModelFamily, sSerial, sCapacity, sState, sTime, sSpeed, sTemp, sConnection, bSelectedEntry);
         wrefresh(tmp);
         u8Index++;
     } // end loop though drives
@@ -227,6 +240,9 @@ enum TUI::UserInput TUI::readUserInput()
     case 'S':
         return TUI::UserInput::ShredAll;
         break;
+    case 'T':
+        return TUI::UserInput::Terminate;
+        break;
     default:
         return TUI::UserInput::Undefined;
         break;
@@ -332,7 +348,7 @@ WINDOW *TUI::overwriteDetailViewWindow(int iXSize, int iYSize, int iXStart)
     return newWindow;
 }
 
-WINDOW *TUI::createEntryWindow(int iXSize, int iYSize, int iXStart, int iYStart, int iListIndex, string sModelFamily, string sSerial, string sCapacity, string sState, string sTime, string sSpeed, string sTemp, bool bSelected)
+WINDOW *TUI::createEntryWindow(int iXSize, int iYSize, int iXStart, int iYStart, int iListIndex, string sModelFamily, string sSerial, string sCapacity, string sState, string sTime, string sSpeed, string sTemp, string sConnection, bool bSelected)
 {
     WINDOW *newWindow;
     newWindow = newwin(iYSize, iXSize, iYStart, iXStart);
@@ -377,6 +393,7 @@ WINDOW *TUI::createEntryWindow(int iXSize, int iYSize, int iXStart, int iYStart,
         37-43:  Capacity
         44:     space
         47-49:  Temp
+        57-60:  Connection Type
 
     line:02
         0-2:    space
@@ -393,6 +410,7 @@ WINDOW *TUI::createEntryWindow(int iXSize, int iYSize, int iXStart, int iYStart,
     mvwaddstr(newWindow, 0, 3, sModelFamily.c_str());
     mvwaddstr(newWindow, 0, 37, sCapacity.c_str());
     mvwaddstr(newWindow, 0, 47, sTemp.c_str());
+    mvwaddstr(newWindow, 0, 57, sConnection.c_str());
 
     vTruncateText(&sSerial, 28);
     mvwaddstr(newWindow, 1, 3, sSerial.c_str());
@@ -472,8 +490,12 @@ WINDOW *TUI::createMenuView(int iXSize, int iYSize, int iXStart, int iYStart, st
     {
         string sLineTmp = "Press d for Delete";
         mvwaddstr(newWindow, u16Line++, (iXSize / 2) - (sLineTmp.size() / 2), sLineTmp.c_str());
+        u16Line++;
     }
 
+    string sLineTmp = "Press T for terminating reHDD";
+    mvwaddstr(newWindow, u16Line++, (iXSize / 2) - (sLineTmp.size() / 2), sLineTmp.c_str());
+
     return newWindow;
 }
 
@@ -603,6 +625,7 @@ void TUI::vTruncateText(string *psText, uint16_t u16MaxLenght)
 void TUI::displaySelectedDrive(Drive drive, int stdscrX, int stdscrY)
 {
     struct MenuState menustate;
+    static bool dialogIsActive;
     menustate.bAbort = false;
     menustate.bConfirmDelete = false;
     menustate.bConfirmShred = false;
@@ -649,15 +672,21 @@ void TUI::displaySelectedDrive(Drive drive, int stdscrX, int stdscrY)
     {
         dialog = createDialog(40, 10, ((stdscrX) - (int)(stdscrX / 3) - 7) - (int)((stdscrX / 3) + 5) / 2, (int)(stdscrY / 2) - 5, "Confirm SHRED", "Press ENTER for SHRED", "Press ESC for cancel");
         wrefresh(dialog);
+        dialogIsActive = true;
     }
     else if (menustate.bConfirmDelete == true)
     {
         dialog = createDialog(40, 10, ((stdscrX) - (int)(stdscrX / 3) - 7) - (int)((stdscrX / 3) + 5) / 2, (int)(stdscrY / 2) - 5, "Confirm DELETE", "Press ENTER for DELETE", "Press ESC for cancel");
         wrefresh(dialog);
+        dialogIsActive = true;
     }
     else
+    {
+        if (dialogIsActive)
         {
             delwin(dialog);
+            dialogIsActive = false;
+        }
     }
 }