"""
Guard Fortress Mode: Hardens the guard dog against bypass attempts.

This module implements a fortress mode for the guard dog, strengthening
its defenses against various bypass vectors.
"""

class GuardFortress:
    """
    Enables fortress mode for the guard dog.
    """

    def __init__(self, guard_dog):
        """
        Initializes the GuardFortress with a GuardDog instance.

        Args:
            guard_dog: The GuardDog instance to protect.
        """
        self.guard_dog = guard_dog
        self.enabled = False  # Fortress mode is initially disabled
        self.bypass_vectors_blocked = [] # Store names of bypass vectors blocked

    def enable_fortress_mode(self):
        """
        Activates fortress mode, blocking known bypass vectors.
        """
        if not self.enabled:
            self._block_bypass_vectors()
            self.enabled = True
            print("Guard Fortress Mode: ENABLED")
        else:
            print("Guard Fortress Mode: Already enabled.")

    def disable_fortress_mode(self):
        """
        Deactivates fortress mode, potentially re-enabling bypass vectors.
        """
        if self.enabled:
            self._unblock_bypass_vectors()
            self.enabled = False
            print("Guard Fortress Mode: DISABLED")
        else:
            print("Guard Fortress Mode: Already disabled.")

    def _block_bypass_vectors(self):
        """
        Implements the logic to block known bypass vectors.
        This is where specific hardening measures are applied.

        Example measures:
        - Disable certain input methods.
        - Enforce strict access controls.
        - Implement anti-tampering measures.
        """
        # Example Bypass Vector 1: Direct Memory Access
        if self.guard_dog.allow_direct_memory_access:
            self.guard_dog.allow_direct_memory_access = False
            self.bypass_vectors_blocked.append("Direct Memory Access")
            print("Blocked bypass vector: Direct Memory Access")

        # Example Bypass Vector 2: Command Injection
        if self.guard_dog.allow_command_injection:
            self.guard_dog.allow_command_injection = False
            self.bypass_vectors_blocked.append("Command Injection")
            print("Blocked bypass vector: Command Injection")

        # Example Bypass Vector 3: Tampering with system clock
        if self.guard_dog.allow_system_clock_tampering:
            self.guard_dog.allow_system_clock_tampering = False
            self.bypass_vectors_blocked.append("System Clock Tampering")
            print("Blocked bypass vector: System Clock Tampering")

        # Example Bypass Vector 4: Exploiting buffer overflows
        if self.guard_dog.allow_buffer_overflows:
            self.guard_dog.allow_buffer_overflows = False
            self.bypass_vectors_blocked.append("Buffer Overflows")
            print("Blocked bypass vector: Buffer Overflows")
        # Add more bypass vectors and corresponding blocking logic here.

    def _unblock_bypass_vectors(self):
        """
        Reverts the blocking of bypass vectors.
        """
        # Restore the original settings
        if "Direct Memory Access" in self.bypass_vectors_blocked:
            self.guard_dog.allow_direct_memory_access = True
            print("Unblocked bypass vector: Direct Memory Access")
        if "Command Injection" in self.bypass_vectors_blocked:
            self.guard_dog.allow_command_injection = True
            print("Unblocked bypass vector: Command Injection")
        if "System Clock Tampering" in self.bypass_vectors_blocked:
            self.guard_dog.allow_system_clock_tampering = True
            print("Unblocked bypass vector: System Clock Tampering")
        if "Buffer Overflows" in self.bypass_vectors_blocked:
            self.guard_dog.allow_buffer_overflows = True
            print("Unblocked bypass vector: Buffer Overflows")

        self.bypass_vectors_blocked = [] # Clear the list

class GuardDog:
    """
    A placeholder GuardDog class for demonstration purposes.
    In a real system, this would represent the actual guard dog logic.
    """

    def __init__(self):
        self.allow_direct_memory_access = True
        self.allow_command_injection = True
        self.allow_system_clock_tampering = True
        self.allow_buffer_overflows = True

    def perform_security_check(self):
      print("Performing Security Check")

if __name__ == '__main__':
    # Example Usage:
    guard_dog = GuardDog()
    fortress = GuardFortress(guard_dog)

    print("Initial state:")
    print(f"Direct Memory Access allowed: {guard_dog.allow_direct_memory_access}")
    print(f"Command Injection allowed: {guard_dog.allow_command_injection}")
    print(f"System Clock Tampering allowed: {guard_dog.allow_system_clock_tampering}")
    print(f"Buffer Overflows allowed: {guard_dog.allow_buffer_overflows}")

    fortress.enable_fortress_mode()

    print("\nAfter enabling fortress mode:")
    print(f"Direct Memory Access allowed: {guard_dog.allow_direct_memory_access}")
    print(f"Command Injection allowed: {guard_dog.allow_command_injection}")
    print(f"System Clock Tampering allowed: {guard_dog.allow_system_clock_tampering}")
    print(f"Buffer Overflows allowed: {guard_dog.allow_buffer_overflows}")

    fortress.disable_fortress_mode()

    print("\nAfter disabling fortress mode:")
    print(f"Direct Memory Access allowed: {guard_dog.allow_direct_memory_access}")
    print(f"Command Injection allowed: {guard_dog.allow_command_injection}")
    print(f"System Clock Tampering allowed: {guard_dog.allow_system_clock_tampering}")
    print(f"Buffer Overflows allowed: {guard_dog.allow_buffer_overflows}")