find system drive

include/reHDD.h

@@ -31,7 +31,7 @@
 #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
 
@@ -101,6 +101,7 @@ private:
     static void handleESC();
     static void handleAbort();
     static Drive *getSelectedDrive();
+    static bool getSystemDrive(string &systemDrive);
 };
 
 #endif // REHDD_H_

src/reHDD.cpp

@@ -346,6 +346,12 @@ void reHDD::filterIgnoredDrives(list<Drive> *plistDrives)
 {
     list<tuple<string>> vtlIgnoredDevices; // store drives from ignore file
     ifstream input("ignoreDrives.conf");   // read ignore file
+    string systemDrivePath;
+
+    if (getSystemDrive(systemDrivePath))
+    {
+        Logger::logThis()->info("Found system drive: " + systemDrivePath);
+    }
 
     for (string sLine; getline(input, sLine);)
     {
@@ -605,3 +611,52 @@ void reHDD::handleAbort()
         }
     }
 }
+
+bool reHDD::getSystemDrive(string &systemDrive)
+{
+    Logger::logThis()->info("-->    search system drive   <--");
+    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;
+            // Logger::logThis()->info("Drive found: " + systemDrive);
+        }
+
+        if (currentLine.ends_with(" /boot/efi\n"s))
+        {
+            systemDriveFound = true;
+            break;
+        }
+
+        if (currentLine.ends_with(" /\n"s))
+        {
+            systemDriveFound = true;
+            break;
+        }
+    }
+    pclose(outputfileHwinfo);
+
+    return systemDriveFound;
+}