mirror of
https://github.com/fabriziosalmi/patterns.git
synced 2025-12-17 17:55:48 +00:00
122 lines
4.4 KiB
Python
122 lines
4.4 KiB
Python
import os
|
|
import subprocess
|
|
import logging
|
|
from pathlib import Path
|
|
import shutil
|
|
import filecmp # Import for file comparison
|
|
|
|
# --- Configuration ---
|
|
LOG_LEVEL = logging.INFO # DEBUG, INFO, WARNING, ERROR
|
|
WAF_DIR = Path(os.getenv("WAF_DIR", "waf_patterns/apache")).resolve()
|
|
APACHE_WAF_DIR = Path(os.getenv("APACHE_WAF_DIR", "/etc/modsecurity.d/")).resolve()
|
|
APACHE_CONF = Path(os.getenv("APACHE_CONF", "/etc/apache2/apache2.conf")).resolve()
|
|
INCLUDE_STATEMENT = "IncludeOptional /etc/modsecurity.d/*.conf"
|
|
BACKUP_DIR = Path(os.getenv("BACKUP_DIR", "/etc/modsecurity.d/backup")).resolve()
|
|
|
|
|
|
# --- Logging Setup ---
|
|
logging.basicConfig(level=LOG_LEVEL, format="%(asctime)s - %(levelname)s - %(message)s")
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
def copy_waf_files():
|
|
"""Copies WAF files, handling existing files and creating backups."""
|
|
logger.info("Copying Apache WAF patterns...")
|
|
|
|
# Ensure target directory exists
|
|
APACHE_WAF_DIR.mkdir(parents=True, exist_ok=True)
|
|
logger.info(f"Target directory: {APACHE_WAF_DIR}")
|
|
|
|
# Ensure backup directory exists
|
|
BACKUP_DIR.mkdir(parents=True, exist_ok=True)
|
|
logger.info(f"Backup directory: {BACKUP_DIR}")
|
|
|
|
for conf_file in WAF_DIR.glob("*.conf"):
|
|
dst_path = APACHE_WAF_DIR / conf_file.name
|
|
|
|
try:
|
|
if dst_path.exists():
|
|
# Compare files. If identical, skip. If different, backup and replace.
|
|
if filecmp.cmp(conf_file, dst_path, shallow=False):
|
|
logger.info(f"Skipping {conf_file.name} (identical file exists).")
|
|
continue # Identical file, skip
|
|
|
|
# Different file exists: create backup
|
|
backup_path = BACKUP_DIR / f"{dst_path.name}.{int(time.time())}" # Timestamped backup
|
|
logger.warning(f"Existing file {dst_path.name} differs. Backing up to {backup_path}")
|
|
shutil.copy2(dst_path, backup_path) # Backup existing file
|
|
|
|
# Copy the new file (or overwrite if it was different)
|
|
shutil.copy2(conf_file, dst_path) # Copy with metadata
|
|
logger.info(f"Copied {conf_file.name} to {dst_path}")
|
|
|
|
except OSError as e:
|
|
logger.error(f"Error copying {conf_file.name}: {e}")
|
|
raise # Re-raise for critical error handling
|
|
|
|
|
|
def update_apache_conf():
|
|
"""Ensures the include statement is present, avoiding duplicates."""
|
|
logger.info("Checking Apache configuration for WAF include...")
|
|
|
|
try:
|
|
with open(APACHE_CONF, "r") as f:
|
|
config_lines = f.readlines()
|
|
|
|
# Check if the include statement *already* exists.
|
|
include_present = any(INCLUDE_STATEMENT in line for line in config_lines)
|
|
|
|
if not include_present:
|
|
# Append the include statement to the *end* of the file.
|
|
with open(APACHE_CONF, "a") as f:
|
|
f.write(f"\n{INCLUDE_STATEMENT}\n") # Add a newline for safety
|
|
logger.info(f"Added include statement to {APACHE_CONF}")
|
|
else:
|
|
logger.info("Include statement already present.")
|
|
|
|
except FileNotFoundError:
|
|
logger.error(f"Apache configuration file not found: {APACHE_CONF}")
|
|
raise # Critical error
|
|
except OSError as e:
|
|
logger.error(f"Error updating Apache configuration: {e}")
|
|
raise
|
|
|
|
|
|
def reload_apache():
|
|
"""Tests the Apache configuration and reloads if valid."""
|
|
logger.info("Reloading Apache...")
|
|
|
|
try:
|
|
# Test configuration
|
|
subprocess.run(["apachectl", "configtest"], check=True, capture_output=True, text=True)
|
|
logger.info("Apache configuration test successful.")
|
|
|
|
# Reload Apache
|
|
subprocess.run(["systemctl", "reload", "apache2"], check=True, capture_output=True, text=True)
|
|
logger.info("Apache reloaded.")
|
|
|
|
except subprocess.CalledProcessError as e:
|
|
logger.error(f"Apache command failed: {e.cmd} - Return code: {e.returncode}")
|
|
logger.error(f"Stdout: {e.stdout}")
|
|
logger.error(f"Stderr: {e.stderr}")
|
|
raise # Re-raise to signal failure
|
|
except FileNotFoundError:
|
|
logger.error("apachectl or systemctl command not found. Is Apache/systemd installed?")
|
|
raise
|
|
|
|
|
|
def main():
|
|
"""Main function."""
|
|
try:
|
|
copy_waf_files()
|
|
update_apache_conf()
|
|
reload_apache()
|
|
logger.info("Apache WAF configuration updated successfully.")
|
|
except Exception as e:
|
|
logger.critical(f"Script failed: {e}")
|
|
exit(1)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|