1. import re
  3. def flag_config_anomalies(config_file, anomaly_patterns):
  4. """
  5. Flags potential anomalies in a configuration file.
  7. Args:
  8. config_file (str): Path to the configuration file.
  9. anomaly_patterns (dict): A dictionary where keys are anomaly names
  10. and values are regular expression patterns.
  12. Returns:
  13. list: A list of flagged anomalies with their line numbers. Empty list if no anomalies found.
  14. """
  15. flagged_anomalies = []
  17. try:
  18. with open(config_file, 'r') as f:
  19. lines = f.readlines()
  20. except FileNotFoundError:
  21. print(f"Error: File not found: {config_file}")
  22. return []
  24. for i, line in enumerate(lines):
  25. for anomaly_name, pattern in anomaly_patterns.items():
  26. if re.search(pattern, line):
  27. flagged_anomalies.append({"anomaly": anomaly_name, "line": i + 1, "line_content": line.strip()})
  28. return flagged_anomalies
  30. if __name__ == '__main__':
  31. # Example usage:
  32. anomaly_patterns = {
  33. "HardcodedPassword": r"password=.*", # Look for lines containing "password="
  34. "UnusualPort": r"port=(\d{3}(?!\s*:\d+))", #Look for port values that do not have a colon after it
  35. "MissingSecurity": r"security=.*comment" #look for security settings with a comment
  36. }
  38. config_file = "config.txt" # Replace with your config file
  40. # Create a sample config file for testing
  41. with open(config_file, 'w') as f:
  42. f.write("database_url = localhost\n")
  43. f.write("port=8080\n")
  44. f.write("password=secret\n")
  45. f.write("#Security settings\n")
  46. f.write("security=some_value #comment\n")
  47. f.write("another_setting = value\n")
  50. anomalies = flag_config_anomalies(config_file, anomaly_patterns)
  52. if anomalies:
  53. print("Anomalies found:")
  54. for anomaly in anomalies:
  55. print(f" Anomaly: {anomaly['anomaly']}, Line: {anomaly['line']}, Content: {anomaly['line_content']}")
  56. else:
  57. print("No anomalies found.")

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