From a665f8638edbc5aa1e6346a2ff814a4b97490c5a Mon Sep 17 00:00:00 2001
From: localhorst <localhorst@mosad.xyz>
Date: Sun, 2 Jun 2024 09:31:55 +0200
Subject: [PATCH] find system drive

---
 include/reHDD.h |  3 ++-
 src/reHDD.cpp   | 55 +++++++++++++++++++++++++++++++++++++++++++++++++
 src/smart.cpp   |  4 ++--
 3 files changed, 59 insertions(+), 3 deletions(-)

diff --git a/include/reHDD.h b/include/reHDD.h
index 7bd1e90..d8a98c1 100644
--- a/include/reHDD.h
+++ b/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_
diff --git a/src/reHDD.cpp b/src/reHDD.cpp
index bc4f5e3..4946859 100644
--- a/src/reHDD.cpp
+++ b/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;
+}
\ No newline at end of file
diff --git a/src/smart.cpp b/src/smart.cpp
index 339d94f..68df376 100644
--- a/src/smart.cpp
+++ b/src/smart.cpp
@@ -36,7 +36,7 @@ void SMART::readSMARTData(Drive *drive)
         sCMD.append(drive->getPath());
         const char *cpComand = sCMD.c_str();
 
-        // Logger::logThis()->info(cpComand);
+        //Logger::logThis()->info(cpComand);
 
         FILE *outputfileSmart = popen(cpComand, "r");
         size_t len = 0U;     // length of found line
@@ -63,7 +63,7 @@ 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");
+            //Logger::logThis()->info("Found S.M.A.R.T. data with this command");
             break;
         }
     }