sys_patch.py: Add backend for MetallibSupportPkg

This commit is contained in:
Mykola Grymalyuk
2024-08-28 15:21:35 -06:00
parent a6503bcd97
commit bd51332a17
7 changed files with 448 additions and 19 deletions

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@@ -0,0 +1,271 @@
"""
metallib_handler.py: Library for handling Metal libraries
"""
import logging
import requests
import subprocess
import packaging.version
from typing import cast
from pathlib import Path
from . import network_handler, subprocess_wrapper
from .. import constants
from ..datasets import os_data
METALLIB_INSTALL_PATH: str = "/Library/Application Support/Dortania/MetallibSupportPkg"
METALLIB_API_LINK: str = "https://dortania.github.io/MetallibSupportPkg/manifest.json"
METALLIB_ASSET_LIST: list = None
class MetalLibraryObject:
def __init__(self, global_constants: constants.Constants,
host_build: str, host_version: str,
ignore_installed: bool = False, passive: bool = False
) -> None:
self.constants: constants.Constants = global_constants
self.host_build: str = host_build # ex. 20A5384c
self.host_version: str = host_version # ex. 11.0.1
self.passive: bool = passive # Don't perform actions requiring elevated privileges
self.ignore_installed: bool = ignore_installed # If True, will ignore any installed MetallibSupportPkg PKGs and download the latest
self.metallib_already_installed: bool = False
self.metallib_installed_path: str = ""
self.metallib_url: str = ""
self.metallib_url_build: str = ""
self.metallib_url_version: str = ""
self.metallib_url_is_exactly_match: bool = False
self.metallib_closest_match_url: str = ""
self.metallib_closest_match_url_build: str = ""
self.metallib_closest_match_url_version: str = ""
self.success: bool = False
self.error_msg: str = ""
self._get_latest_metallib()
def _get_remote_metallibs(self) -> dict:
"""
Get the MetallibSupportPkg list from the API
"""
global METALLIB_ASSET_LIST
logging.info("Pulling metallib list from MetallibSupportPkg API")
if METALLIB_ASSET_LIST:
return METALLIB_ASSET_LIST
try:
results = network_handler.NetworkUtilities().get(
METALLIB_API_LINK,
headers={
"User-Agent": f"OCLP/{self.constants.patcher_version}"
},
timeout=5
)
except (requests.exceptions.Timeout, requests.exceptions.TooManyRedirects, requests.exceptions.ConnectionError):
logging.info("Could not contact MetallibSupportPkg API")
return None
if results.status_code != 200:
logging.info("Could not fetch Metallib list")
return None
METALLIB_ASSET_LIST = results.json()
return METALLIB_ASSET_LIST
def _get_latest_metallib(self) -> None:
"""
Get the latest MetallibSupportPkg PKG
"""
parsed_version = cast(packaging.version.Version, packaging.version.parse(self.host_version))
if os_data.os_conversion.os_to_kernel(str(parsed_version.major)) < os_data.os_data.sequoia:
self.error_msg = "MetallibSupportPkg is not required for macOS Sonoma or older"
logging.warning(f"{self.error_msg}")
return
self.metallib_installed_path = self._local_metallib_installed()
if self.metallib_installed_path:
logging.info(f"metallib already installed ({Path(self.metallib_installed_path).name}), skipping")
self.metallib_already_installed = True
self.success = True
return
remote_metallib_version = self._get_remote_metallibs()
if remote_metallib_version is None:
logging.warning("Failed to fetch metallib list, falling back to local metallib matching")
# First check if a metallib matching the current macOS version is installed
# ex. 13.0.1 vs 13.0
loose_version = f"{parsed_version.major}.{parsed_version.minor}"
logging.info(f"Checking for metallibs loosely matching {loose_version}")
self.metallib_installed_path = self._local_metallib_installed(match=loose_version, check_version=True)
if self.metallib_installed_path:
logging.info(f"Found matching metallib: {Path(self.metallib_installed_path).name}")
self.metallib_already_installed = True
self.success = True
return
older_version = f"{parsed_version.major}.{parsed_version.minor - 1 if parsed_version.minor > 0 else 0}"
logging.info(f"Checking for metallibs matching {older_version}")
self.metallib_installed_path = self._local_metallib_installed(match=older_version, check_version=True)
if self.metallib_installed_path:
logging.info(f"Found matching metallib: {Path(self.metallib_installed_path).name}")
self.metallib_already_installed = True
self.success = True
return
logging.warning(f"Couldn't find metallib matching {self.host_version} or {older_version}, please install one manually")
self.error_msg = f"Could not contact MetallibSupportPkg API, and no metallib matching {self.host_version} ({self.host_build}) or {older_version} was installed.\nPlease ensure you have a network connection or manually install a metallib."
return
# First check exact match
for metallib in remote_metallib_version:
if (metallib["build"] != self.host_build):
continue
self.metallib_url = metallib["url"]
self.metallib_url_build = metallib["build"]
self.metallib_url_version = metallib["version"]
self.metallib_url_is_exactly_match = True
break
# If no exact match, check for closest match
if self.metallib_url == "":
for metallib in remote_metallib_version:
metallib_version = cast(packaging.version.Version, packaging.version.parse(metallib["version"]))
if metallib_version > parsed_version:
continue
if metallib_version.major != parsed_version.major:
continue
if metallib_version.minor not in range(parsed_version.minor - 1, parsed_version.minor + 1):
continue
# The metallib list is already sorted by version then date, so the first match is the closest
self.metallib_closest_match_url = metallib["url"]
self.metallib_closest_match_url_build = metallib["build"]
self.metallib_closest_match_url_version = metallib["version"]
self.metallib_url_is_exactly_match = False
break
if self.metallib_url == "":
if self.metallib_closest_match_url == "":
logging.warning(f"No metallibs found for {self.host_build} ({self.host_version})")
self.error_msg = f"No metallibs found for {self.host_build} ({self.host_version})"
return
logging.info(f"No direct match found for {self.host_build}, falling back to closest match")
logging.info(f"Closest Match: {self.metallib_closest_match_url_build} ({self.metallib_closest_match_url_version})")
self.metallib_url = self.metallib_closest_match_url
self.metallib_url_build = self.metallib_closest_match_url_build
self.metallib_url_version = self.metallib_closest_match_url_version
else:
logging.info(f"Direct match found for {self.host_build} ({self.host_version})")
# Check if this metallib is already installed
self.metallib_installed_path = self._local_metallib_installed(match=self.metallib_url_build)
if self.metallib_installed_path:
logging.info(f"metallib already installed ({Path(self.metallib_installed_path).name}), skipping")
self.metallib_already_installed = True
self.success = True
return
logging.info("Following metallib is recommended:")
logging.info(f"- metallib Build: {self.metallib_url_build}")
logging.info(f"- metallib Version: {self.metallib_url_version}")
logging.info(f"- metallib URL: {self.metallib_url}")
self.success = True
def _local_metallib_installed(self, match: str = None, check_version: bool = False) -> str:
"""
Check if a metallib is already installed
"""
if not Path(METALLIB_INSTALL_PATH).exists():
return None
for metallib_folder in Path(METALLIB_INSTALL_PATH).iterdir():
if not metallib_folder.is_dir():
continue
if check_version:
if match not in metallib_folder.name:
continue
else:
if not metallib_folder.name.endswith(f"-{match}"):
continue
return metallib_folder
return None
def retrieve_download(self, override_path: str = "") -> network_handler.DownloadObject:
"""
Retrieve MetallibSupportPkg PKG download object
"""
self.success = False
self.error_msg = ""
if self.metallib_already_installed:
logging.info("No download required, metallib already installed")
self.success = True
return None
if self.metallib_url == "":
self.error_msg = "Could not retrieve metallib catalog, no metallib to download"
logging.error(self.error_msg)
return None
logging.info(f"Returning DownloadObject for metallib: {Path(self.metallib_url).name}")
self.success = True
metallib_download_path = self.constants.metallib_download_path if override_path == "" else Path(override_path)
return network_handler.DownloadObject(self.metallib_url, metallib_download_path)
def install_metallib(self, metallib: str = None) -> None:
"""
Install MetallibSupportPkg PKG
"""
if not self.success:
logging.error("Cannot install metallib, no metallib was successfully retrieved")
return False
if self.metallib_already_installed:
logging.info("No installation required, metallib already installed")
return True
result = subprocess_wrapper.run_as_root([
"/usr/sbin/installer", "-pkg", metallib if metallib else self.constants.metallib_download_path, "-target", "/"
])
if result.returncode != 0:
subprocess_wrapper.log(result)
return False
return True

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@@ -132,6 +132,8 @@ class PatcherValidation:
if install_type in patchset[patch_subject][patch_core]:
for install_directory in patchset[patch_subject][patch_core][install_type]:
for install_file in patchset[patch_subject][patch_core][install_type][install_directory]:
if patchset[patch_subject][patch_core][install_type][install_directory][install_file] in sys_patch_dict.DynamicPatchset:
continue
source_file = str(self.constants.payload_local_binaries_root_path) + "/" + patchset[patch_subject][patch_core][install_type][install_directory][install_file] + install_directory + "/" + install_file
if not Path(source_file).exists():
logging.info(f"File not found: {source_file}")