sysctl parsing: change parsing errors to warnings and improve the messages

diff --git a/kernel_hardening_checker/__init__.py b/kernel_hardening_checker/__init__.py
index 4fe2ef29cfbd4ebd3b443db01974a363a88ff64f..c3bb75f0d3f3c2ec35f6e6bf8d50ac9b937369f2 100755 (executable)
--- a/kernel_hardening_checker/__init__.py
+++ b/kernel_hardening_checker/__init__.py
@@ -222,11 +222,11 @@ def parse_sysctl_file(mode: StrOrNone, parsed_options: Dict[str, str], fname: st
     # let's check the presence of some ancient sysctl option
     # to ensure that we are parsing the output of `sudo sysctl -a > file`
     if 'kernel.printk' not in parsed_options:
-        sys.exit(f'[!] ERROR: {fname} doesn\'t look like a sysctl output file, please try `sudo sysctl -a > {fname}`')
+        print(f'[!] WARNING: ancient sysctl options are not found in {fname}, please use the output of `sudo sysctl -a`')
 
     # let's check the presence of a sysctl option available for root
     if 'kernel.cad_pid' not in parsed_options and mode != 'json':
-        print(f'[!] WARNING: sysctl option "kernel.cad_pid" available for root is not found in {fname}, please try `sudo sysctl -a > {fname}`')
+        print(f'[!] WARNING: sysctl options available for root are not found in {fname}, please use the output of `sudo sysctl -a`')
 
 
 def main() -> None: