Fix permissions for log file and dynamic config directory (#517)

* change permissions

src/core/config/config.go

@@ -414,7 +414,7 @@ func LoadPropertiesFromFile(cfg string) error {
 		}
 	} else if errors.Is(err, fs.ErrNotExist) {
 		log.Infof("Writing the following file to disk: %s", dynamicCfgPath)
-		err = os.MkdirAll(dynamicCfgDir, 0o755)
+		err = os.MkdirAll(dynamicCfgDir, 0o750)
 		if err != nil {
 			return fmt.Errorf("error attempting to create directory for dynamic config (%s): %v", dynamicCfgDir, err)
 		}

src/core/logger/log.go

@@ -49,7 +49,7 @@ func SetLogFile(logFile string) *os.File {
 			logPath = path.Join(logPath, defaultLogFile)
 		}
 
-		logFileHandle, err := os.OpenFile(logPath, os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0o640)
+		logFileHandle, err := os.OpenFile(logPath, os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0o600)
 		if err != nil {
 			log.Errorf("Failed to set log file, proceeding to log only to stdout/stderr: %v", err)
 			return nil

src/core/os.go

@@ -50,7 +50,7 @@ func EnableWritePermissionForSocket(path string) error {
 		case <-timeout:
 			return lastError
 		default:
-			lastError = os.Chmod(path, 0o660)
+			lastError = os.Chmod(path, 0o600)
 			if lastError == nil {
 				return nil
 			}