Disable delete after shred was once started. (#69)

documented here: #65

Reviewed-on: #69
Co-authored-by: localhorst <localhorst@mosad.xyz>
Co-committed-by: localhorst <localhorst@mosad.xyz>

include/drive.h

@@ -34,6 +34,7 @@ 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;

src/delete.cpp

@@ -32,11 +32,15 @@ void Delete::deleteDrive(Drive *drive)
     const char *cpComand = sCMD.c_str();
     // cout << "delete: " << cpComand << endl;
 
-    FILE *deleteCmdOutput = popen(cpComand, "r");
+    if (drive->bWasShredStarted == false)
-
-    while ((getline(&cLine, &len, deleteCmdOutput)) != -1)
     {
-        // wipefs running
+        //only start delete if the drive was not shredded before
+        FILE *deleteCmdOutput = popen(cpComand, "r");
+
+        while ((getline(&cLine, &len, deleteCmdOutput)) != -1)
+        {
+            // wipefs running
+        }
+        pclose(deleteCmdOutput);
     }
-    pclose(deleteCmdOutput);
 }

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