mirror of
https://github.com/dortania/OpenCore-Legacy-Patcher.git
synced 2026-04-14 04:38:20 +10:00
481 lines
24 KiB
Python
481 lines
24 KiB
Python
# Framework for mounting and patching macOS root volume
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# Copyright (C) 2020-2021, Dhinak G, Mykola Grymalyuk
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# Missing Features:
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# - Full System/Library Snapshotting (need to research how Apple achieves this)
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# - Temporary Work-around: sudo bless --mount /System/Volumes/Update/mnt1 --bootefi --last-sealed-snapshot
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# - Work-around battery throttling on laptops with no battery (IOPlatformPluginFamily.kext/Contents/PlugIns/ACPI_SMC_PlatformPlugin.kext/Contents/Resources/)
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import os
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import plistlib
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import shutil
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import subprocess
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import zipfile
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from pathlib import Path
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from typing import Any
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from Resources import Constants, DeviceProbe, ModelArray, PCIIDArray, Utilities
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class PatchSysVolume:
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def __init__(self, model, versions):
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self.model = model
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self.constants: Constants.Constants = versions
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self.root_mount_path = None
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self.sip_enabled = True
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self.sbm_enabled = True
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self.amfi_enabled = True
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self.fv_enabled = True
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self.nvidia_legacy = False
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self.amd_ts1 = False
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self.amd_ts2 = False
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self.iron_gpu = False
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self.sandy_gpu = False
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self.ivy_gpu = False
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self.nvidia_legacy = False
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self.brightness_legacy = False
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self.legacy_audio = False
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self.added_kexts = False
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self.amfi_must_disable = False
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self.no_patch = True
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if self.constants.detected_os > self.constants.catalina:
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# Big Sur and newer use APFS snapshots
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self.mount_location = "/System/Volumes/Update/mnt1"
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else:
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self.mount_location = "/"
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self.mount_extensions = f"{self.mount_location}/System/Library/Extensions"
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self.mount_frameworks = f"{self.mount_location}/System/Library/Frameworks"
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self.mount_lauchd = f"{self.mount_location}/System/Library/LaunchDaemons"
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self.mount_private_frameworks = f"{self.mount_location}/System/Library/PrivateFrameworks"
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def elevated(self, *args, **kwargs) -> subprocess.CompletedProcess([Any], returncode=0):
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if os.getuid() == 0:
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return subprocess.run(*args, **kwargs)
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else:
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return subprocess.run(["sudo"] + [args[0][0]] + args[0][1:], **kwargs)
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def find_mount_root_vol(self, patch):
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self.root_mount_path = Utilities.get_disk_path()
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if self.root_mount_path.startswith("disk"):
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print(f"- Found Root Volume at: {self.root_mount_path}")
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if Path(self.mount_extensions).exists():
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print("- Root Volume is already mounted")
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if patch is True:
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self.patch_root_vol()
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return True
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else:
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self.unpatch_root_vol()
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return True
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else:
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print("- Mounting drive as writable in OS")
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self.elevated(["mount", "-o", "nobrowse", "-t", "apfs", f"/dev/{self.root_mount_path}", self.mount_location], stdout=subprocess.PIPE).stdout.decode().strip().encode()
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if Path(self.mount_extensions).exists():
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print("- Successfully mounted the Root Volume")
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if patch is True:
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self.patch_root_vol()
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return True
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else:
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self.unpatch_root_vol()
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return True
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else:
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print("- Failed to mount the Root Volume")
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print("- Recommend rebooting the machine and trying to patch again")
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input("- Press [ENTER] to exit: ")
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else:
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print("- Could not find root volume")
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input("- Press [ENTER] to exit: ")
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def unpatch_root_vol(self):
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print("- Reverting to last signed APFS snapshot")
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self.elevated(["bless", "--mount", self.mount_location, "--bootefi", "--last-sealed-snapshot"], stdout=subprocess.PIPE).stdout.decode().strip().encode()
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def rebuild_snapshot(self):
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if self.constants.gui_mode is False:
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input("Press [ENTER] to continue with cache rebuild: ")
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print("- Rebuilding Kernel Cache (This may take some time)")
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result = self.elevated(["kmutil", "install", "--volume-root", self.mount_location, "--update-all"], stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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if result.returncode != 0:
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self.success_status = False
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print("- Unable to build new kernel cache")
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print("\nPlease report this to Github")
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print("Reason for Patch Failure:")
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print(result.stdout.decode())
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print("")
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print("\nPlease reboot the machine to avoid potential issues rerunning the patcher")
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else:
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self.success_status = True
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print("- Successfully built new kernel cache")
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if self.constants.gui_mode is False:
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input("Press [ENTER] to continue with snapshotting")
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print("- Creating new APFS snapshot")
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self.elevated(["bless", "--folder", f"{self.mount_location}/System/Library/CoreServices", "--bootefi", "--create-snapshot"], stdout=subprocess.PIPE).stdout.decode().strip().encode()
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self.unmount_drive()
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print("- Patching complete")
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print("\nPlease reboot the machine for patches to take effect")
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def unmount_drive(self):
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print("- Unmounting Root Volume (Don't worry if this fails)")
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self.elevated(["diskutil", "unmount", self.root_mount_path], stdout=subprocess.PIPE).stdout.decode().strip().encode()
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def delete_old_binaries(self, vendor_patch):
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for delete_current_kext in vendor_patch:
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delete_path = Path(self.mount_extensions) / Path(delete_current_kext)
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if Path(delete_path).exists():
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print(f"- Deleting {delete_current_kext}")
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self.elevated(["sudo", "rm", "-R", delete_path], stdout=subprocess.PIPE).stdout.decode().strip().encode()
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else:
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print(f"- Couldn't find {delete_current_kext}, skipping")
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def add_new_binaries(self, vendor_patch, vendor_location):
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for add_current_kext in vendor_patch:
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existing_path = Path(self.mount_extensions) / Path(add_current_kext)
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if Path(existing_path).exists():
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print(f"- Found conflicting kext, Deleting Root Volume's {add_current_kext}")
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self.elevated(["rm", "-R", existing_path], stdout=subprocess.PIPE).stdout.decode().strip().encode()
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print(f"- Adding {add_current_kext}")
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self.elevated(["cp", "-R", f"{vendor_location}/{add_current_kext}", self.mount_extensions], stdout=subprocess.PIPE).stdout.decode().strip().encode()
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self.elevated(["chmod", "-Rf", "755", f"{self.mount_extensions}/{add_current_kext}"], stdout=subprocess.PIPE).stdout.decode().strip().encode()
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self.elevated(["chown", "-Rf", "root:wheel", f"{self.mount_extensions}/{add_current_kext}"], stdout=subprocess.PIPE).stdout.decode().strip().encode()
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def add_brightness_patch(self):
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self.delete_old_binaries(ModelArray.DeleteBrightness)
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self.add_new_binaries(ModelArray.AddBrightness, self.constants.legacy_brightness)
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self.elevated(["ditto", self.constants.payload_apple_private_frameworks_path_brightness, self.mount_private_frameworks], stdout=subprocess.PIPE).stdout.decode().strip().encode()
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self.elevated(["chmod", "-Rf", "755", f"{self.mount_private_frameworks}/DisplayServices.framework"], stdout=subprocess.PIPE).stdout.decode().strip().encode()
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self.elevated(["chown", "-Rf", "root:wheel", f"{self.mount_private_frameworks}/DisplayServices.framework"], stdout=subprocess.PIPE).stdout.decode().strip().encode()
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def add_audio_patch(self):
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self.delete_old_binaries(ModelArray.DeleteVolumeControl)
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self.add_new_binaries(ModelArray.AddVolumeControl, self.constants.audio_path)
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def gpu_accel_legacy_nvidia(self):
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self.delete_old_binaries(ModelArray.DeleteNvidiaAccel11)
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self.add_new_binaries(ModelArray.AddGeneralAccel, self.constants.legacy_general_path)
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self.add_new_binaries(ModelArray.AddNvidiaAccel11, self.constants.legacy_nvidia_path)
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def gpu_framebuffer_legacy_nvidia(self):
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self.add_new_binaries(ModelArray.AddNvidiaBrightness, self.constants.legacy_nvidia_path)
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def gpu_accel_legacy_ts1(self):
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self.delete_old_binaries(ModelArray.DeleteAMDAccel11)
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self.add_new_binaries(ModelArray.AddGeneralAccel, self.constants.legacy_general_path)
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self.add_new_binaries(ModelArray.AddAMDAccel11, self.constants.legacy_amd_path)
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def gpu_accel_legacy_ts2(self):
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self.delete_old_binaries(ModelArray.DeleteAMDAccel11)
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self.delete_old_binaries(ModelArray.DeleteAMDAccel11TS2)
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self.add_new_binaries(ModelArray.AddGeneralAccel, self.constants.legacy_general_path)
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self.add_new_binaries(ModelArray.AddAMDAccel11, self.constants.legacy_amd_path)
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def gpu_framebuffer_legacy_amd(self):
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self.add_new_binaries(ModelArray.AddAMDBrightness, self.constants.legacy_amd_path)
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def gpu_accel_legacy_ironlake(self):
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self.delete_old_binaries(ModelArray.DeleteNvidiaAccel11)
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self.add_new_binaries(ModelArray.AddGeneralAccel, self.constants.legacy_general_path)
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self.add_new_binaries(ModelArray.AddIntelGen1Accel, self.constants.legacy_intel_gen1_path)
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def gpu_framebuffer_legacy_ironlake(self):
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self.add_new_binaries(ModelArray.AddIntelGen1Accel, self.constants.legacy_intel_gen1_path)
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def gpu_accel_legacy_sandybridge(self):
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self.delete_old_binaries(ModelArray.DeleteNvidiaAccel11)
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self.add_new_binaries(ModelArray.AddGeneralAccel, self.constants.legacy_general_path)
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self.add_new_binaries(ModelArray.AddIntelGen2Accel, self.constants.legacy_intel_gen2_path)
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def gpu_framebuffer_legacy_sandybridge(self):
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self.add_new_binaries(ModelArray.AddIntelGen2Accel, self.constants.legacy_intel_gen1_path)
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def gpu_framebuffer_ivybridge(self):
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self.add_new_binaries(ModelArray.AddIntelGen3Accel, self.constants.legacy_intel_gen3_path)
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def gpu_accel_legacy_extended(self):
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print("- Merging general legacy Frameworks")
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self.elevated(["ditto", self.constants.payload_apple_frameworks_path_accel, self.mount_frameworks], stdout=subprocess.PIPE).stdout.decode().strip().encode()
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if Path(self.mount_lauchd / Path("HiddHack.plist")).exists():
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print("- Removing legacy HiddHack")
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self.elevated(["rm", f"{self.mount_lauchd}/HiddHack.plist"], stdout=subprocess.PIPE).stdout.decode().strip().encode()
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print("- Adding IOHID-Fixup.plist")
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self.elevated(["ditto", self.constants.payload_apple_lauchd_path_accel, self.mount_lauchd], stdout=subprocess.PIPE).stdout.decode().strip().encode()
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self.elevated(["chmod", "755", f"{self.mount_lauchd}/IOHID-Fixup.plist"], stdout=subprocess.PIPE).stdout.decode().strip().encode()
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self.elevated(["chown", "root:wheel", f"{self.mount_lauchd}/IOHID-Fixup.plist"], stdout=subprocess.PIPE).stdout.decode().strip().encode()
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print("- Merging general legacy PrivateFrameworks")
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self.elevated(["ditto", self.constants.payload_apple_private_frameworks_path_accel, self.mount_private_frameworks], stdout=subprocess.PIPE).stdout.decode().strip().encode()
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def gpu_accel_legacy_extended_ts2(self):
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print("- Merging TeraScale 2 legacy Frameworks")
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self.elevated(["ditto", self.constants.payload_apple_frameworks_path_accel_ts2, self.mount_frameworks], stdout=subprocess.PIPE).stdout.decode().strip().encode()
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print("- Merging TeraScale 2 PrivateFrameworks")
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self.elevated(["ditto", self.constants.payload_apple_private_frameworks_path_accel_ts2, self.mount_private_frameworks], stdout=subprocess.PIPE).stdout.decode().strip().encode()
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def patch_root_vol(self):
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print(f"- Running patches for {self.model}")
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# Graphics patches
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if self.nvidia_legacy is True:
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print("- Installing legacy Nvidia Patches")
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if self.constants.detected_os == self.constants.big_sur:
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print("- Detected Big Sur, installing Acceleration patches")
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self.gpu_accel_legacy_nvidia()
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self.added_kexts = True
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else:
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print("- Detected unsupported OS, installing Basic Framebuffer")
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self.gpu_framebuffer_legacy_nvidia()
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if self.amd_ts1 is True:
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print("- Installing legacy TeraScale 1 Patches")
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if self.constants.detected_os == self.constants.big_sur:
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print("- Detected Big Sur, installing Acceleration patches")
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self.gpu_accel_legacy_ts1()
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self.added_kexts = True
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else:
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print("- Detected unsupported OS, installing Basic Framebuffer")
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self.gpu_framebuffer_legacy_amd()
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if self.amd_ts2 is True:
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print("- Installing legacy TeraScale 2 Patches")
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if self.constants.detected_os == self.constants.big_sur:
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print("- Detected Big Sur, installing Acceleration patches")
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self.gpu_accel_legacy_ts2()
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self.added_kexts = True
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else:
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print("- Detected unsupported OS, installing Basic Framebuffer")
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self.gpu_framebuffer_legacy_amd()
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if self.iron_gpu is True:
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print("- Installing legacy Ironlake Patches")
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if self.constants.detected_os == self.constants.big_sur:
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print("- Detected Big Sur, installing Acceleration patches")
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self.gpu_accel_legacy_ironlake()
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self.added_kexts = True
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else:
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print("- Detected unsupported OS, installing Basic Framebuffer")
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self.gpu_framebuffer_legacy_ironlake()
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if self.sandy_gpu is True:
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print("- Installing legacy Sandy Bridge Patches")
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if self.constants.detected_os == self.constants.big_sur:
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print("- Detected Big Sur, installing Acceleration patches")
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self.gpu_accel_legacy_sandybridge()
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self.added_kexts = True
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else:
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print("- Detected unsupported OS, installing Basic Framebuffer")
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self.gpu_framebuffer_legacy_sandybridge()
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if self.ivy_gpu is True:
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print("- Installing Ivy Bridge Patches")
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self.gpu_framebuffer_ivybridge()
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if self.amd_ts2 is True:
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# TeraScale 2 patches must be installed after Intel HD3000
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self.add_new_binaries(ModelArray.AddAMDAccel11TS2, self.constants.legacy_amd_path_ts2)
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if self.added_kexts is True:
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self.gpu_accel_legacy_extended()
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if self.amd_ts2 is True:
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self.gpu_accel_legacy_extended_ts2()
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# Misc patches
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if self.brightness_legacy is True:
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print("- Installing legacy Brightness Control")
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self.add_brightness_patch()
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if self.legacy_audio is True:
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print("- Fixing Volume Control Support")
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self.add_audio_patch()
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self.rebuild_snapshot()
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def check_files(self):
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if Path(self.constants.payload_apple_root_path).exists():
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print("- Found Apple Binaries")
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if self.constants.gui_mode is False:
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patch_input = input("Would you like to redownload?(y/n): ")
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if patch_input in {"y", "Y", "yes", "Yes"}:
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shutil.rmtree(Path(self.constants.payload_apple_root_path))
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self.download_files()
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else:
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self.download_files()
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else:
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print("- Apple binaries missing")
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self.download_files()
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def download_files(self):
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Utilities.cls()
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print("- Downloading Apple binaries")
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popen_oclp = subprocess.Popen(
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["curl", "-S", "-L", f"{self.constants.url_apple_binaries}{self.constants.payload_version}.zip", "--output", self.constants.payload_apple_root_path_zip],
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stdin=subprocess.PIPE,
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stdout=subprocess.PIPE,
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stderr=subprocess.STDOUT,
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universal_newlines=True,
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)
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for stdout_line in iter(popen_oclp.stdout.readline, ""):
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print(stdout_line, end="")
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popen_oclp.stdout.close()
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if self.constants.payload_apple_root_path_zip.exists():
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print("- Download completed")
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print("- Unzipping download...")
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try:
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subprocess.run(["unzip", self.constants.payload_apple_root_path_zip], stdout=subprocess.PIPE, stderr=subprocess.STDOUT, cwd=self.constants.payload_path).stdout.decode()
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print("- Renaming folder")
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os.rename(self.constants.payload_apple_root_path_unzip, self.constants.payload_apple_root_path)
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print("- Binaries downloaded to:")
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print(self.constants.payload_path)
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if self.constants.gui_mode is False:
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input("Press [ENTER] to continue")
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except zipfile.BadZipFile:
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print("- Couldn't unzip")
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os.remove(self.constants.payload_apple_root_path_zip)
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else:
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print("- Download failed, please verify the below link works:")
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print(f"{self.constants.url_apple_binaries}{self.constants.payload_version}")
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def detect_gpus(self):
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igpu_vendor, igpu_device, igpu_acpi = DeviceProbe.pci_probe().gpu_probe("IGPU")
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dgpu_vendor, dgpu_device, dgpu_acpi = DeviceProbe.pci_probe().gpu_probe("GFX0")
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if dgpu_vendor:
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print(f"- Found GFX0: {dgpu_vendor}:{dgpu_device}")
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if dgpu_vendor == self.constants.pci_nvidia:
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if dgpu_device in PCIIDArray.nvidia_ids().tesla_ids or dgpu_device in PCIIDArray.nvidia_ids().fermi_ids:
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if self.constants.detected_os > self.constants.catalina:
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self.nvidia_legacy = True
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self.amfi_must_disable = True
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elif dgpu_vendor == self.constants.pci_amd_ati:
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if dgpu_device in PCIIDArray.amd_ids().terascale_1_ids:
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if self.constants.detected_os > self.constants.catalina:
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self.amd_ts1 = True
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self.amfi_must_disable = True
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# TODO: Enable TS2 support
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elif dgpu_device in PCIIDArray.amd_ids().terascale_2_ids:
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if self.constants.detected_os > self.constants.catalina:
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self.amd_ts2 = True
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self.amfi_must_disable = True
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if igpu_vendor:
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print(f"- Found IGPU: {igpu_vendor}:{igpu_device}")
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if igpu_vendor == self.constants.pci_intel:
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if igpu_device in PCIIDArray.intel_ids().iron_ids:
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if self.constants.detected_os > self.constants.catalina:
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self.iron_gpu = True
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self.amfi_must_disable = True
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elif igpu_device in PCIIDArray.intel_ids().sandy_ids:
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if self.constants.detected_os > self.constants.catalina:
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self.sandy_gpu = True
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self.amfi_must_disable = True
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# TODO: Re-enable when Accel Patches are ready
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#elif igpu_device in PCIIDArray.intel_ids().ivy_ids:
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# if self.constants.detected_os > self.constants.big_sur:
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# self.ivy_gpu = True
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elif igpu_vendor == self.constants.pci_nvidia:
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if self.constants.detected_os > self.constants.catalina:
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self.nvidia_legacy = True
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self.amfi_must_disable = True
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def detect_patch_set(self):
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self.detect_gpus()
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if self.model in ModelArray.LegacyBrightness:
|
|
if self.constants.detected_os > self.constants.catalina:
|
|
self.brightness_legacy = True
|
|
|
|
if self.model in ["iMac7,1", "iMac8,1"]:
|
|
if self.constants.detected_os > self.constants.catalina:
|
|
self.legacy_audio = True
|
|
|
|
Utilities.cls()
|
|
print("The following patches will be applied:")
|
|
if self.nvidia_legacy is True:
|
|
print("- Add Legacy Nvidia Tesla Graphics Patch")
|
|
elif self.amd_ts1 is True:
|
|
print("- Add Legacy ATI TeraScale 1 Graphics Patch")
|
|
elif self.amd_ts2 is True:
|
|
print("- Add Legacy ATI TeraScale 2 Graphics Patch")
|
|
if self.iron_gpu is True:
|
|
print("- Add Legacy Intel IronLake Graphics Patch")
|
|
elif self.sandy_gpu is True:
|
|
print("- Add Legacy Intel Sandy Bridge Graphics Patch")
|
|
elif self.ivy_gpu is True:
|
|
print("- Add Legacy Intel Ivy Bridge Graphics Patch")
|
|
if self.brightness_legacy is True:
|
|
print("- Add Legacy Brightness Control")
|
|
if self.legacy_audio is True:
|
|
print("- Add legacy Audio Control")
|
|
|
|
if self.nvidia_legacy is False and \
|
|
self.amd_ts1 is False and \
|
|
self.amd_ts2 is False and \
|
|
self.iron_gpu is False and \
|
|
self.sandy_gpu is False and \
|
|
self.ivy_gpu is False and \
|
|
self.brightness_legacy is False and \
|
|
self.legacy_audio is False:
|
|
self.no_patch = True
|
|
else:
|
|
self.no_patch = False
|
|
|
|
def verify_patch_allowed(self):
|
|
self.sip_enabled, self.sbm_enabled, self.amfi_enabled, self.fv_enabled = Utilities.patching_status()
|
|
if self.sip_enabled is True:
|
|
print("\nCannot patch!!! Please disable SIP!!!")
|
|
print("Disable SIP in Patcher Settings and Rebuild OpenCore")
|
|
print("For Hackintoshes, set SIP to EF0F0000")
|
|
if self.sbm_enabled is True:
|
|
print("\nCannot patch!!! Please disable SecureBootModel!!!")
|
|
print("Disable SecureBootModel in Patcher Settings and Rebuild OpenCore")
|
|
print("For Hackintoshes, set SecureBootModel to Disabled")
|
|
if self.fv_enabled is True:
|
|
print("\nCannot patch!!! Please disable FileVault!!!")
|
|
print("Go to System Preferences -> Security and disable FileVault")
|
|
|
|
if self.amfi_enabled is True and self.amfi_must_disable is True:
|
|
print("\nCannot patch!!! Please disable AMFI!!!")
|
|
print("For Hackintoshes, please add amfi_getOut_of_my_way=0x1 to boot-args")
|
|
|
|
if self.amfi_must_disable is True:
|
|
if self.sip_enabled is True or \
|
|
self.sbm_enabled is True or \
|
|
self.amfi_enabled is True or \
|
|
self.fv_enabled is True:
|
|
return False
|
|
else:
|
|
return True
|
|
else:
|
|
if self.sip_enabled is True or \
|
|
self.sbm_enabled is True or \
|
|
self.fv_enabled is True:
|
|
return False
|
|
else:
|
|
return True
|
|
|
|
# Entry Function
|
|
def start_patch(self):
|
|
print("- Starting Patch Process")
|
|
print(f"- Determinging Required Patch set for Darwin {self.constants.detected_os}")
|
|
self.detect_patch_set()
|
|
if self.no_patch is False:
|
|
change_menu = input("Would you like to continue with Root Volume Patching?(y/n): ")
|
|
else:
|
|
change_menu = None
|
|
print("- No Root Patches required for your machine!")
|
|
input("\nPress [ENTER] to return to the main menu: ")
|
|
if change_menu in ["y", "Y"]:
|
|
print("- Continuing with Patching")
|
|
print("- Verifying whether Root Patching possible")
|
|
if self.verify_patch_allowed() is True:
|
|
print("- Patcher is capable of patching")
|
|
self.check_files()
|
|
self.find_mount_root_vol(True)
|
|
else:
|
|
input("\nPress [ENTER] to return to the main menu: ")
|
|
|
|
else:
|
|
print("- Returning to main menu")
|
|
|
|
def start_unpatch(self):
|
|
print("- Starting Unpatch Process")
|
|
if self.verify_patch_allowed() is True:
|
|
self.find_mount_root_vol(False)
|
|
input("\nPress [ENTER] to return to the main menu")
|
|
|