mirror of
https://github.com/home-assistant/supervisor.git
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7f074142bf
* Replace pycrpytodome with cryptocraphy * Fix typing * fix typing * Fix lints * Fix build * Add musl libc * Fix lint * fix lint * Fix algo * Add more typing fix crypto imports v2 * Fix padding
131 lines
3.0 KiB
Python
131 lines
3.0 KiB
Python
"""Util add-ons functions."""
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from __future__ import annotations
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import asyncio
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import hashlib
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import logging
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from pathlib import Path
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import re
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from typing import TYPE_CHECKING
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from ..const import (
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PRIVILEGED_DAC_READ_SEARCH,
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PRIVILEGED_NET_ADMIN,
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PRIVILEGED_SYS_ADMIN,
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PRIVILEGED_SYS_MODULE,
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PRIVILEGED_SYS_PTRACE,
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PRIVILEGED_SYS_RAWIO,
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ROLE_ADMIN,
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ROLE_MANAGER,
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SECURITY_DISABLE,
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SECURITY_PROFILE,
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)
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if TYPE_CHECKING:
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from .addon import Addon
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RE_SHA1 = re.compile(r"[a-f0-9]{8}")
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_LOGGER = logging.getLogger(__name__)
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def rating_security(addon: Addon) -> int:
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"""Return 1-6 for security rating.
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1 = not secure
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6 = high secure
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"""
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rating = 5
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# AppArmor
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if addon.apparmor == SECURITY_DISABLE:
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rating += -1
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elif addon.apparmor == SECURITY_PROFILE:
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rating += 1
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# Home Assistant Login
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if addon.access_auth_api:
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rating += 1
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# Privileged options
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if any(
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privilege in addon.privileged
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for privilege in (
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PRIVILEGED_NET_ADMIN,
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PRIVILEGED_SYS_ADMIN,
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PRIVILEGED_SYS_RAWIO,
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PRIVILEGED_SYS_PTRACE,
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PRIVILEGED_SYS_MODULE,
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PRIVILEGED_DAC_READ_SEARCH,
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)
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):
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rating += -1
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# API Hass.io role
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if addon.hassio_role == ROLE_MANAGER:
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rating += -1
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elif addon.hassio_role == ROLE_ADMIN:
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rating += -2
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# Not secure Networking
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if addon.host_network:
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rating += -1
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# Insecure PID namespace
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if addon.host_pid:
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rating += -2
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# Full Access
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if addon.with_full_access:
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rating += -2
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# Docker Access
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if addon.access_docker_api:
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rating = 1
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return max(min(6, rating), 1)
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def get_hash_from_repository(name: str) -> str:
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"""Generate a hash from repository."""
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key = name.lower().encode()
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return hashlib.sha1(key).hexdigest()[:8]
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def extract_hash_from_path(path: Path) -> str:
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"""Extract repo id from path."""
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repository_dir = path.parts[-1]
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if not RE_SHA1.match(repository_dir):
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return get_hash_from_repository(repository_dir)
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return repository_dir
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def check_installed(method):
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"""Wrap function with check if add-on is installed."""
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async def wrap_check(addon, *args, **kwargs):
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"""Return False if not installed or the function."""
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if not addon.is_installed:
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_LOGGER.error("Addon %s is not installed", addon.slug)
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return False
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return await method(addon, *args, **kwargs)
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return wrap_check
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async def remove_data(folder: Path) -> None:
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"""Remove folder and reset privileged."""
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try:
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proc = await asyncio.create_subprocess_exec(
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"rm", "-rf", str(folder), stdout=asyncio.subprocess.DEVNULL
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)
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_, error_msg = await proc.communicate()
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except OSError as err:
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error_msg = str(err)
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else:
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if proc.returncode == 0:
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return
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_LOGGER.error("Can't remove Add-on Data: %s", error_msg)
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