terminal_backup_script_021/backup_script_evaluator.py

import os
import stat
import sys
import subprocess
import glob

HOME_DIR = "/home/jkim"
BACKUPS_DIR = "/home/jkim/backups"
SCRIPT_PATH = "/home/jkim/backup_script.sh"
EXPECTED_USER = "jkim"

def run_sudo_cmd(cmd):
    """Run command with sudo and return output"""
    try:
        result = subprocess.run(
            ["sudo", "bash", "-c", cmd],
            capture_output=True,
            text=True,
            timeout=10
        )
        return result.stdout.strip(), result.returncode
    except Exception as e:
        return str(e), 1

# ---------- Check .tmp files removed ----------
output, _ = run_sudo_cmd(f"ls -la {HOME_DIR}/*.tmp 2>/dev/null | wc -l")
try:
    tmp_count = int(output)
except:
    tmp_count = 0
    
if tmp_count > 0:
    print("TMP_FILES_STILL_PRESENT")
    sys.exit(0)
print("TMP_FILES_REMOVED")

# ---------- Check .bak files removed ----------
output, _ = run_sudo_cmd(f"ls -la {HOME_DIR}/*.bak 2>/dev/null | wc -l")
try:
    bak_count = int(output)
except:
    bak_count = 0

if bak_count > 0:
    print("BAK_FILES_STILL_PRESENT")
    sys.exit(0)
print("BAK_FILES_REMOVED")

# ---------- Check backups directory exists ----------
output, rc = run_sudo_cmd(f"test -d {BACKUPS_DIR} && echo 'EXISTS'")
if "EXISTS" not in output:
    print("BACKUPS_DIR_MISSING")
    sys.exit(0)
print("BACKUPS_DIR_EXISTS")

# ---------- Check script exists ----------
output, rc = run_sudo_cmd(f"test -f {SCRIPT_PATH} && echo 'EXISTS'")
if "EXISTS" not in output:
    print("SCRIPT_MISSING")
    sys.exit(0)
print("SCRIPT_EXISTS")

# ---------- Check shebang ----------
output, rc = run_sudo_cmd(f"head -1 {SCRIPT_PATH}")
if output.strip() != "#!/bin/bash":
    print("SHEBANG_MISSING")
    sys.exit(0)
print("SHEBANG_OK")

# ---------- Check rsync command ----------
output, rc = run_sudo_cmd(f"cat {SCRIPT_PATH}")
if "rsync -a --delete /home/jkim/Documents/ /home/jkim/backups/" not in output:
    print("RSYNC_COMMAND_MISSING")
    sys.exit(0)
print("RSYNC_COMMAND_OK")

# ---------- Check ownership ----------
output, rc = run_sudo_cmd(f"stat -c '%U' {SCRIPT_PATH}")
if output.strip() != EXPECTED_USER:
    print(f"OWNER_MISMATCH_{output.strip()}")
    sys.exit(0)
print("OWNER_OK")

# ---------- Check permissions (700) ----------
output, rc = run_sudo_cmd(f"stat -c '%a' {SCRIPT_PATH}")
if output.strip() != "700":
    print(f"PERMS_BAD_{output.strip()}")
    sys.exit(0)
print("PERMS_OK")

# ---------- Check executable ----------
output, rc = run_sudo_cmd(f"test -x {SCRIPT_PATH} && echo 'EXEC'")
if "EXEC" not in output:
    print("EXECUTABLE_BAD")
    sys.exit(0)
print("EXECUTABLE_OK")

print("ALL_CHECKS_PASSED")