Generate a trusted cryptographic hash (SHA-256) of your master configuration files. Store this manifest in a read-only administrative directory.
Open Maya and navigate to . Select the Security settings category on the left panel. maya secure user setup checksum verification
Checksum verification is useless if an attacker can modify the bootstrapper script itself. Generate a trusted cryptographic hash (SHA-256) of your
import hashlib def generate_file_hash(file_path): sha256_hash = hashlib.sha256() with open(file_path, "rb") as f: for byte_block in iter(lambda: f.read(4096), b""): sha256_hash.update(byte_block) return sha256_hash.hexdigest() # Example usage to find your target hash print(generate_file_hash("/net/pipeline/prod/userSetup_core.py")) Use code with caution. Step 2: Deploy the Local Bootstrapper Select the Security settings category on the left panel
Malicious scripts disguised as legitimate tools can inject code into a user’s local userSetup.py . The next time Maya boots, the code runs without user intervention or visibility.
import os import sys import hashlib from maya import utils # Configuration TARGET_SCRIPT = "/path/to/pipeline_environment.py" EXPECTED_HASH = "INSERT_YOUR_GENERATED_HASH_HERE" def verify_and_execute(): # 1. Check if the target initialization script exists if not os.path.exists(TARGET_SCRIPT): raise FileNotFoundError(f"Security Error: Critical setup script missing at TARGET_SCRIPT") # 2. Calculate the current checksum of the file sha256_hash = hashlib.sha256() with open(TARGET_SCRIPT, "rb") as f: for byte_block in iter(lambda: f.read(4096), b""): sha256_hash.update(byte_block) current_hash = sha256_hash.hexdigest() # 3. Verify integrity if current_hash != EXPECTED_HASH: # Halt execution to protect the pipeline raise PermissionError( f"SECURITY ALERT: Checksum mismatch on TARGET_SCRIPT!\n" f"Expected: EXPECTED_HASH\n" f"Received: current_hash\n" "Execution halted. Potential script tampering detected." ) # 4. Safely execute the verified script if hashes match print("[Security] Checksum verification passed. Loading environment...") exec(open(TARGET_SCRIPT).read(), globals()) # Execute via Maya's idle queue to ensure the UI and core systems are ready utils.executeDeferred(verify_and_execute) Use code with caution. Studio-Level Scaling: Centralized Manifests