Filter loop and cd/dvd drives (#92)

Reviewed-on: #92
Co-authored-by: localhorst <localhorst@mosad.xyz>
Co-committed-by: localhorst <localhorst@mosad.xyz>

include/reHDD.h

@@ -8,7 +8,7 @@
 #ifndef REHDD_H_
 #define REHDD_H_
 
-#define REHDD_VERSION "V1.2.1"
+#define REHDD_VERSION "V1.3.0"
 
 // Drive handling Settings
 #define WORSE_HOURS 19200    // mark drive if at this limit or beyond
@@ -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
 
@@ -95,7 +95,7 @@ private:
     static void ThreadScanDevices();
     static void ThreadUserInput();
     static void ThreadShred(Drive *const pDrive);
-    static void ThreadDelete();
+    static void ThreadDelete(Drive *const pDrive);
     static void ThreadCheckFrozenDrives();
     static void handleArrowKey(TUI::UserInput userInput);
     static void handleEnter();

src/reHDD.cpp

@@ -218,18 +218,16 @@ void reHDD::ThreadUserInput()
             break;
         case TUI::UserInput::Print:
             // cout << "Print" << endl;
-            Logger::logThis()->info("User print single");
             if (tmpSelectedDrive != nullptr)
             {
-                // printDrive(tmpSelectedDrive);
+                printDrive(tmpSelectedDrive);
             }
-            // ui->updateTUI(&listDrives, u16SelectedEntry);
+            ui->updateTUI(&listDrives, u16SelectedEntry);
             break;
         case TUI::UserInput::PrintAll:
             // cout << "PrintAll" << endl;
-            Logger::logThis()->info("User print all");
+            printAllDrives(&listDrives);
-            // printAllDrives(&listDrives);
+            ui->updateTUI(&listDrives, u16SelectedEntry);
-            // ui->updateTUI(&listDrives, u16SelectedEntry);
             break;
         default:
             break;
@@ -238,7 +236,7 @@ void reHDD::ThreadUserInput()
 }
 
 /**
- * \brief   start shred for all drives
+ * \brief   print all shredded drives
  * \param	pointer of list <Drive>* plistDrives
  * \return  void
  */
@@ -254,6 +252,11 @@ void reHDD::printAllDrives(list<Drive> *plistDrives)
     mxDrives.unlock();
 }
 
+/**
+ * \brief   print a shredded drives
+ * \param	pointer of a drive
+ * \return  void
+ */
 void reHDD::printDrive(Drive *const pDrive)
 {
     if (pDrive->bWasShredded)
@@ -265,7 +268,7 @@ void reHDD::printDrive(Drive *const pDrive)
         }
 #endif
         Logger::logThis()->info("User print for: " + pDrive->getModelName() + "-" + pDrive->getSerial());
-        // TODO: Trigger printer for this drive
+        Printer::getPrinter()->print(pDrive);
     }
 }
 
@@ -281,16 +284,16 @@ void reHDD::ThreadShred(Drive *const pDrive)
     }
 }
 
-void reHDD::ThreadDelete()
+void reHDD::ThreadDelete(Drive *const pDrive)
 {
-    Drive *tmpSelectedDrive = getSelectedDrive();
+    if (pDrive != nullptr)
-    if (tmpSelectedDrive != nullptr)
     {
-        tmpSelectedDrive->setActionStartTimestamp();      // save timestamp at start of deleting
+        pDrive->state = Drive::TaskState::DELETE_ACTIVE;
-        Delete::deleteDrive(tmpSelectedDrive);            // blocking, no thread
+        pDrive->setActionStartTimestamp();      // save timestamp at start of deleting
-        tmpSelectedDrive->state = Drive::TaskState::NONE; // delete finished
+        Delete::deleteDrive(pDrive);            // blocking, no thread
-        tmpSelectedDrive->bWasDeleted = true;
+        pDrive->state = Drive::TaskState::NONE; // delete finished
-        Logger::logThis()->info("Finished delete for: " + tmpSelectedDrive->getModelName() + "-" + tmpSelectedDrive->getSerial());
+        pDrive->bWasDeleted = true;
+        Logger::logThis()->info("Finished delete for: " + pDrive->getModelName() + "-" + pDrive->getSerial());
         ui->updateTUI(&listDrives, u16SelectedEntry);
     }
 }
@@ -415,8 +418,8 @@ void reHDD::searchDrives(std::list<Drive> *plistDrives)
 }
 
 /**
- * \brief   filter out drives that are listed in "ignoreDrives.conf"
+ * \brief   filter out drives that are listed in "ignoreDrives.conf", loop devices, and optical drives
- * \param	pointer of list <Drive>* plistDrives
+ * \param   pointer of list <Drive>* plistDrives
  * \return  void
  */
 void reHDD::filterIgnoredDrives(list<Drive> *plistDrives)
@@ -425,9 +428,8 @@ void reHDD::filterIgnoredDrives(list<Drive> *plistDrives)
     if (getSystemDrive(systemDrivePath))
     {
         // Logger::logThis()->info("Found system drive: " + systemDrivePath);
-
+        list<Drive>::iterator it = plistDrives->begin();
-        list<Drive>::iterator it;
+        while (it != plistDrives->end())
-        for (it = plistDrives->begin(); it != plistDrives->end(); ++it)
         {
             string driveName = it->getPath();
             // Remove /dev/ prefix
@@ -435,6 +437,7 @@ void reHDD::filterIgnoredDrives(list<Drive> *plistDrives)
             {
                 driveName = driveName.substr(5); // Skip "/dev/"
             }
+
             if (systemDrivePath.find(driveName) != std::string::npos) // compare found system drive and current drive
             {
                 // system drive found --> ignore this drive
@@ -443,59 +446,123 @@ void reHDD::filterIgnoredDrives(list<Drive> *plistDrives)
 #endif
                 it = plistDrives->erase(it);
             }
+            else
+            {
+                ++it;
+            }
         }
     }
 
-    list<tuple<string>> vtlIgnoredDevices; // store drives from ignore file
+    // Filter out loop devices (loop0, loop1, etc.)
-    ifstream input("ignoreDrives.conf");   // read ignore file
+    list<Drive>::iterator it = plistDrives->begin();
+    while (it != plistDrives->end())
+    {
+        string driveName = it->getPath();
+        if (driveName.find("/dev/") == 0)
+        {
+            driveName = driveName.substr(5);
+        }
+
+        if (driveName.find("loop") == 0)
+        {
+#ifdef LOG_LEVEL_HIGH
+            Logger::logThis()->info("loop device found --> ignore this drive: " + it->getPath());
+#endif
+            it = plistDrives->erase(it);
+        }
+        else
+        {
+            ++it;
+        }
+    }
+
+    // Filter out optical drives (sr0, sr1, cdrom, dvd, etc.)
+    it = plistDrives->begin();
+    while (it != plistDrives->end())
+    {
+        string driveName = it->getPath();
+        if (driveName.find("/dev/") == 0)
+        {
+            driveName = driveName.substr(5);
+        }
+
+        if (driveName.find("sr") == 0 ||
+            driveName.find("cdrom") == 0 ||
+            driveName.find("dvd") == 0 ||
+            driveName.find("cdrw") == 0)
+        {
+#ifdef LOG_LEVEL_HIGH
+            Logger::logThis()->info("optical drive found --> ignore this drive: " + it->getPath());
+#endif
+            it = plistDrives->erase(it);
+        }
+        else
+        {
+            ++it;
+        }
+    }
+
+    // Read ignored drives from config file
+    list<tuple<string>> vtlIgnoredDevices;
+    ifstream input("ignoreDrives.conf");
 
     for (string sLine; getline(input, sLine);)
     {
-        // Logger::logThis()->info("read uuid: " + sLine);
+        // Skip empty lines and comments
-        vtlIgnoredDevices.emplace_back(sLine); // add found path and uuid from ignore file to vector
+        if (!sLine.empty() && sLine[0] != '#')
+        {
+            vtlIgnoredDevices.emplace_back(sLine);
+        }
     }
-    // loop through found entries in ignore file
+
+    // Loop through found entries in ignore file
     for (auto row : vtlIgnoredDevices)
     {
-        list<Drive>::iterator it;
+        it = plistDrives->begin();
-        for (it = plistDrives->begin(); it != plistDrives->end(); ++it)
+        while (it != plistDrives->end())
         {
             string sUUID;
             char *cLine = NULL;
             size_t len = 0;
             string sCMD = "blkid ";
             sCMD.append(it->getPath());
-            // cout << "cmd: " << sCMD << endl;
+
-            FILE *outputfileBlkid = popen(sCMD.c_str(), "r"); // get UUID from drive
+            FILE *outputfileBlkid = popen(sCMD.c_str(), "r");
             if (outputfileBlkid == NULL)
             {
-                exit(EXIT_FAILURE);
+                Logger::logThis()->error("Failed to execute blkid for: " + it->getPath());
+                ++it;
+                continue;
             }
 
-            while ((getline(&cLine, &len, outputfileBlkid)) != -1) // parse UUID from blkid
+            while ((getline(&cLine, &len, outputfileBlkid)) != -1)
             {
                 size_t ptuuidPos = string(cLine).find("PTUUID");
                 if (ptuuidPos != string::npos)
                 {
                     string sBlkidOut = string(cLine);
                     sBlkidOut.erase(0, ptuuidPos + 8);
-                    sBlkidOut.erase(8, sBlkidOut.length());
+                    if (sBlkidOut.length() >= 8)
+                    {
+                        sBlkidOut.erase(8, sBlkidOut.length());
+                    }
                     sUUID = sBlkidOut;
-                    // cout << "blkid uuid:" << sUUID << endl;
                 }
             }
             free(cLine);
             pclose(outputfileBlkid);
-            // cout << "blkid uuid:" << sUUID << endl;
 
-            if (!get<0>(row).compare(sUUID)) // compare uuid from ignore file and uuid from drive
+            if (!get<0>(row).compare(sUUID))
             {
-                // same uuid found than in ignore file --> ignore this drive
 #ifdef LOG_LEVEL_HIGH
-                Logger::logThis()->info("same uuid found than in ignore file --> ignore this drive: " + it->getPath());
+                Logger::logThis()->info("same uuid found in ignore file --> ignore this drive: " + it->getPath());
 #endif
                 it = plistDrives->erase(it);
             }
+            else
+            {
+                ++it;
+            }
         }
     }
 }
@@ -539,7 +606,6 @@ void reHDD::startShredAllDrives(list<Drive> *plistDrives)
             address << (void const *)&(*pTmpDrive);
             Logger::logThis()->info("Started shred (all) for: " + pTmpDrive->getModelName() + "-" + pTmpDrive->getSerial() + " @" + address.str());
 #endif
-            pTmpDrive->state = Drive::TaskState::SHRED_ACTIVE;
             thread(ThreadShred, pTmpDrive).detach();
         }
     }
@@ -691,17 +757,13 @@ void reHDD::handleEnter()
         if (tmpSelectedDrive->state == Drive::TaskState::SHRED_SELECTED)
         {
             Logger::logThis()->info("Started shred/check for: " + tmpSelectedDrive->getModelName() + "-" + tmpSelectedDrive->getSerial());
-            tmpSelectedDrive->state = Drive::TaskState::SHRED_ACTIVE;
-            // task for drive is running --> don't show  more task option
             thread(ThreadShred, tmpSelectedDrive).detach();
         }
 
         if (tmpSelectedDrive->state == Drive::TaskState::DELETE_SELECTED)
         {
             Logger::logThis()->info("Started delete for: " + tmpSelectedDrive->getModelName() + "-" + tmpSelectedDrive->getSerial());
-            tmpSelectedDrive->state = Drive::TaskState::DELETE_ACTIVE;
+            thread(ThreadDelete, tmpSelectedDrive).detach();
-            // task for drive is running --> don't show  more task options
-            thread(ThreadDelete).detach();
         }
     }
 }

src/shred.cpp

@@ -38,6 +38,10 @@ int Shred::shredDrive(Drive *drive, int *ipSignalFd)
     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
+    drive->bWasShredded = false;
+    drive->setTaskPercentage(0.0);
+    drive->u32DriveChecksumAfterShredding = UINT32_MAX;
+    drive->state = Drive::TaskState::SHRED_ACTIVE;
 
 #ifdef DRYRUN
     for (int i = 0; i <= 100; i++)