oslo-rootwrap

import os from oslo_config import cfg from oslo_rootwrap import client # Define oslo-rootwrap specific configuration options rootwrap_group = cfg.OptGroup( name='rootwrap', title='Rootwrap Options for privilege escalation' ) cfg.CONF.register_group(rootwrap_group) cfg.CONF.register_opts([ cfg.StrOpt('rootwrap_config', default='/etc/rootwrap.conf', help='Path to the rootwrap configuration file.'), cfg.StrOpt('filters_path', default='/etc/rootwrap.d', help='Path to the directory containing rootwrap filter files.'), cfg.StrOpt('daemon_pid_dir', default='/var/run/oslo-rootwrap', help='Directory for rootwrap daemon PID files. Used only if in daemon mode.'), cfg.StrOpt('daemon_wrapper', default='/usr/bin/sudo', help='Path to the sudo wrapper binary that executes the rootwrap daemon.'), ], group=rootwrap_group) # Initialize oslo_config. In a real application, you'd usually load from files: # cfg.CONF(project='my_app', default_config_files=['/etc/my_app/my_app.conf']) # For this quickstart, we use registered defaults. print("Initializing oslo_config and setting up rootwrap options...") cfg.CONF() # This parses any command-line arguments and loads default config values # Instantiate the RootwrapClient try: # The client uses the global cfg.CONF object rootwrap_client = client.RootwrapClient(cfg.CONF) print("RootwrapClient instantiated successfully using oslo_config.") # Display some configured paths print(f"Configured rootwrap config file: {cfg.CONF.rootwrap.rootwrap_config}") print(f"Configured rootwrap filters path: {cfg.CONF.rootwrap.filters_path}") print(f"Configured daemon wrapper (sudo path): {rootwrap_client.get_daemon_wrapper()}") print("\n--- Important Note for Execution ---") print("The oslo-rootwrap library requires extensive system-level setup to function:") print("1. A 'rootwrap.conf' file (e.g., at /etc/rootwrap.conf) defining general rules.") print("2. Filter files (e.g., in /etc/rootwrap.d/) specifying allowed commands and parameters.") print("3. 'sudo' configured to execute the 'oslo-rootwrap' binary with SUID permissions.") print("\nTo execute a command, you would typically use:") print(" stdout, stderr, returncode = rootwrap_client.execute(['command', 'arg1', 'arg2'])") print("Attempting to run `execute` without this setup will likely result in errors.") except Exception as e: print(f"Error during RootwrapClient instantiation: {e}") print("Ensure oslo_config options are correctly registered and paths are valid for your setup.")