OFS: Fix use of ConfigFN everywhere

These are allocated via strdup but never freed

Author: theanalyst

auth_plugin/EosAuthOfs.cc

@@ -168,6 +168,11 @@ EosAuthOfs::~EosAuthOfs()
   delete mFrontend;
   delete mBackend.second;
   delete mZmqContext;
+  // Free configuration file name allocated via strdup during initialization
+  if (ConfigFN) {
+    free(ConfigFN);
+    ConfigFN = nullptr;
+  }
 }
 
 

fst/XrdFstOfs.cc

@@ -468,6 +468,11 @@ XrdFstOfs::~XrdFstOfs()
   if (mHostName) {
     free(const_cast<char*>(mHostName));
   }
+  // Free configuration file name allocated via strdup during initialization
+  if (ConfigFN) {
+    free(ConfigFN);
+    ConfigFN = nullptr;
+  }
 }
 
 //------------------------------------------------------------------------------

mgm/XrdMgmOfs.cc

@@ -389,6 +389,12 @@ XrdMgmOfs::~XrdMgmOfs()
   if (HostName) {
     free(HostName);
   }
+  if (HostPref) {
+    free(HostPref);
+  }
+  if (ConfigFN) {
+    free(ConfigFN);
+  }
 }
 
 //------------------------------------------------------------------------------

mq/XrdMqOfs.hh

@@ -313,6 +313,10 @@ public:
     if (HostPref) {
       free(HostPref);
     }
+
+    if (ConfigFN) {
+      free(ConfigFN);
+    }
   }
 
   virtual bool Init(XrdSysError&)