Update postinst

Author: alainabbas

.debpkg/DEBIAN/postinst

@@ -1,6 +1,13 @@
 #!/bin/bash
 echo "disabling samba daemons..."
-systemctl disable samba
-systemctl disable smbd
-systemctl disable nmbd
-systemctl disable winbind
+services=("samba" "smbd" "nmbd" "winbind")
+
+for service in "${services[@]}"; do
+    if systemctl is-active --quiet "$service"; then
+        echo "$service is active -> stopping and disabling..."
+        systemctl stop "$service"
+        systemctl disable "$service"
+    else
+        echo "$service is not active -> skipping."
+    fi
+done