Files
OpenCore-Legacy-Patcher/resources/build/security.py
2022-11-13 09:45:36 -07:00

66 lines
4.9 KiB
Python

from resources import constants, utilities
from resources.build import support
import binascii
class build_security:
def __init__(self, model, versions, config):
self.model = model
self.constants: constants.Constants = versions
self.config = config
self.computer = self.constants.computer
def build(self):
if self.constants.vault is True:
print("- Setting Vault configuration")
self.config["Misc"]["Security"]["Vault"] = "Secure"
support.build_support(self.model, self.constants, self.config).get_efi_binary_by_path("OpenShell.efi", "Misc", "Tools")["Enabled"] = False
if self.constants.sip_status is False or self.constants.custom_sip_value:
# Work-around 12.3 bug where Electron apps no longer launch with SIP lowered
# Unknown whether this is intended behavior or not, revisit with 12.4
print("- Adding ipc_control_port_options=0 to boot-args")
self.config["NVRAM"]["Add"]["7C436110-AB2A-4BBB-A880-FE41995C9F82"]["boot-args"] += " ipc_control_port_options=0"
# Adds AutoPkgInstaller for Automatic OpenCore-Patcher installation
# Only install if running the GUI (AutoPkg-Assets.pkg requires the GUI)
if self.constants.wxpython_variant is True:
support.build_support(self.model, self.constants, self.config).enable_kext("AutoPkgInstaller.kext", self.constants.autopkg_version, self.constants.autopkg_path)
if self.constants.custom_sip_value:
print(f"- Setting SIP value to: {self.constants.custom_sip_value}")
self.config["NVRAM"]["Add"]["7C436110-AB2A-4BBB-A880-FE41995C9F82"]["csr-active-config"] = utilities.string_to_hex(self.constants.custom_sip_value.lstrip("0x"))
elif self.constants.sip_status is False:
print("- Set SIP to allow Root Volume patching")
self.config["NVRAM"]["Add"]["7C436110-AB2A-4BBB-A880-FE41995C9F82"]["csr-active-config"] = binascii.unhexlify("03080000")
# apfs.kext has an undocumented boot-arg that allows FileVault usage on broken APFS seals (-arv_allow_fv)
# This is however hidden behind kern.development, thus we patch _apfs_filevault_allowed to always return true
# Note this function was added in 11.3 (20E232, 20.4), older builds do not support this (ie. 11.2.3)
print("- Allowing FileVault on Root Patched systems")
support.build_support(self.model, self.constants, self.config).get_item_by_kv(self.config["Kernel"]["Patch"], "Comment", "Force FileVault on Broken Seal")["Enabled"] = True
# Lets us check in sys_patch.py if config supports FileVault
self.config["NVRAM"]["Add"]["4D1FDA02-38C7-4A6A-9CC6-4BCCA8B30102"]["OCLP-Settings"] += " -allow_fv"
if self.constants.disable_cs_lv is True:
print("- Disabling Library Validation")
# In Ventura, LV patch broke. For now, add AMFI arg
# Before merging into mainline, this needs to be resolved
support.build_support(self.model, self.constants, self.config).get_item_by_kv(self.config["Kernel"]["Patch"], "Comment", "Disable Library Validation Enforcement")["Enabled"] = True
support.build_support(self.model, self.constants, self.config).get_item_by_kv(self.config["Kernel"]["Patch"], "Comment", "Disable _csr_check() in _vnode_check_signature")["Enabled"] = True
if self.constants.disable_amfi is True:
self.config["NVRAM"]["Add"]["7C436110-AB2A-4BBB-A880-FE41995C9F82"]["boot-args"] += " amfi=0x80"
self.config["NVRAM"]["Add"]["4D1FDA02-38C7-4A6A-9CC6-4BCCA8B30102"]["OCLP-Settings"] += " -allow_amfi"
# CSLVFixup simply patches out __RESTRICT and __restrict out of the Music.app Binary
# Ref: https://pewpewthespells.com/blog/blocking_code_injection_on_ios_and_os_x.html
support.build_support(self.model, self.constants, self.config).enable_kext("CSLVFixup.kext", self.constants.cslvfixup_version, self.constants.cslvfixup_path)
if self.constants.secure_status is False:
print("- Disabling SecureBootModel")
self.config["Misc"]["Security"]["SecureBootModel"] = "Disabled"
if self.constants.force_vmm is True:
print("- Forcing VMM patchset to support OTA updates")
support.build_support(self.model, self.constants, self.config).get_item_by_kv(self.config["Kernel"]["Patch"], "Comment", "Reroute kern.hv_vmm_present patch (1)")["Enabled"] = True
support.build_support(self.model, self.constants, self.config).get_item_by_kv(self.config["Kernel"]["Patch"], "Comment", "Reroute kern.hv_vmm_present patch (2) Legacy")["Enabled"] = True
support.build_support(self.model, self.constants, self.config).get_item_by_kv(self.config["Kernel"]["Patch"], "Comment", "Reroute kern.hv_vmm_present patch (2) Ventura")["Enabled"] = True