mirror of
https://github.com/Virtual-World-RE/NeoGF.git
synced 2024-11-15 08:45:33 +01:00
360 lines
15 KiB
Python
360 lines
15 KiB
Python
#!/usr/bin/env python3
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from pathlib import Path
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import os
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import shutil
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from time import time
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from gcmtool import Gcm
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from gcmtool import InvalidDVDMagicError, InvalidUnpackFolderError, InvalidPackIsoError, InvalidFSTSizeError, DolSizeOverflowError, InvalidRootFileFolderCountError, InvalidFSTFileSizeError, FSTDirNotFoundError, FSTFileNotFoundError, BadAlignError
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__version__ = "0.0.8"
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__author__ = "rigodron, algoflash, GGLinnk"
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__license__ = "MIT"
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__status__ = "developpement"
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##################################################
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# Set roms_path with your ROMs (at the root of the ROM folder)
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# Extract all files from file system using dolphin emu - put it in f"{dolphin_unpack_path}/root/"
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# Extract boot.dol and apploader.img using dolphin emu - put it in f"{dolphin_unpack_path}/sys/"
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##################################################
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roms_path = Path("../ROM")
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dolphin_unpack_path = Path("dolphin_unpack")
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# Created tmp paths
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unpack_path = Path("unpack")
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unpack2_path = Path("unpack2")
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repack_path = Path("repack")
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# if there is a way to create symlinks on GCM filesystem, it could create strange situations
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def test_storage():
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total, used, free = shutil.disk_usage("/")
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if free - 10**10 < 3 * sum(path.stat().st_size for path in roms_path.glob('*') if path.is_file()):
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raise Exception("Error - Not enought free space on the disk to run tests.")
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def print_paths_differences(folder1_paths:list, folder2_paths:list):
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backup_paths = folder2_paths.copy()
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for path in folder1_paths:
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if path in folder2_paths:
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folder2_paths.remove(path)
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for path in backup_paths:
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if path in folder1_paths:
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folder1_paths.remove(path)
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print("folder1 diff:")
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for path in folder1_paths:
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print(path)
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print("folder2 diff:")
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for path in folder2_paths:
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print(path)
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def compare_files(file1_path:Path, file2_path:Path):
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"Compare two files."
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CLUSTER_LEN = 131072
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with file1_path.open("rb") as file1, file2_path.open("rb") as file2:
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# Init
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bytes1 = file1.read(CLUSTER_LEN)
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bytes2 = file2.read(CLUSTER_LEN)
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while bytes1 or bytes2: # continue if bytes1 and bytes2 have a len > 0
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if bytes1 != bytes2:
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return False
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bytes1 = file1.read(CLUSTER_LEN)
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bytes2 = file2.read(CLUSTER_LEN)
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return True
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def compare_GCM(folder1: Path, folder2: Path):
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"""
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Compare two GCM
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-> raise an exception if there is a difference
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"""
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folder1_root_paths = list((folder1 / "root").glob("**/*"))
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folder1_file_count = len(folder1_root_paths)
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print(f"compare \"{folder1}\" - \"{folder2}\" ({folder1_file_count} files)")
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if folder1_file_count == 0:
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raise Exception(f"Error - Empty folder: {folder1}")
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len1 = len(folder1.parts)
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len2 = len(folder2.parts)
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# 1. Compare names of filesystems
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folder1_paths = [Path(*path.parts[len1:]) for path in folder1_root_paths]
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folder2_paths = [Path(*path.parts[len2:]) for path in (folder2 / "root").glob('**/*')]
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if folder1_paths != folder2_paths:
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print_paths_differences(folder1_paths, folder2_paths)
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raise Exception(f"Error - Folders \"{folder1}\" and \"{folder2}\" are different (not the same folders or files names).")
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# 2. Compare sys files content
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if not compare_files(folder1 / "sys" / "apploader.img", folder2 / "sys" / "apploader.img"):
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raise Exception(f"Error - \"{folder1 / 'sys/apploader.bin'}\" and \"{folder2 / 'sys/apploader.bin'}\" are different.")
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if not compare_files(folder1 / "sys" / "boot.dol", folder2 / "sys" / "boot.dol"):
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raise Exception(f"Error - \"{folder1 / 'sys/boot.bin'}\" and \"{folder2 / 'sys/boot.bin'}\" are different.")
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for path1 in folder1_root_paths:
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if path1.is_file():
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path2 = folder2/Path(*path1.parts[len1:])
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if not compare_files(path1, path2):
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raise Exception(f"Error - \"{path1}\" and \"{path2}\" are different.")
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##################################################
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# gcmtool.py commands wrappers
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##################################################
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def gcmtool_unpack(iso_path:Path, folder_path:Path):
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if os.system(f"python gcmtool.py -u \"{iso_path}\" \"{folder_path}\"") != 0:
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raise Exception("Error while unpacking GCM.")
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def gcmtool_pack(folder_path:Path, iso_path:Path):
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if os.system(f"python gcmtool.py -p \"{folder_path}\" \"{iso_path}\"") != 0:
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raise Exception("Error while packing GCM.")
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def gcmtool_rebuild_fst(folder_path:Path):
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if os.system(f"python gcmtool.py -r \"{folder_path}\"") != 0:
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raise Exception("Error while rebuilding FST.")
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def gcmtool_stats(path:Path):
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if os.system(f"python gcmtool.py -s \"{path}\" > NUL") != 0:
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raise Exception("Error while getting stats.")
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TEST_COUNT = 5
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start = time()
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print("###############################################################################")
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print("# Checking tests folder")
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print("###############################################################################")
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# Check if tests folders exist
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if unpack_path.is_dir() or unpack2_path.is_dir() or repack_path.is_dir():
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raise Exception(f"Error - Please remove:\n-{unpack_path}\n-{unpack2_path}\n-{repack_path}")
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test_storage()
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print("###############################################################################")
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print(f"# TEST 1/{TEST_COUNT}")
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print("# Comparing roms_path->unpack->[unpack_path] ROMs with [dolphin_unpack_path]")
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print("###############################################################################")
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# unpack ROM in unpack_path
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unpack_path.mkdir(parents=True)
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for iso_path in roms_path.glob("*"):
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if iso_path.is_file():
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gcmtool_unpack(iso_path, unpack_path / iso_path.name)
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# compare unpack_path dolphin_unpack_path
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for folder_path in unpack_path.glob("*"):
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compare_GCM(folder_path, dolphin_unpack_path / folder_path.name)
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print("###############################################################################")
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print(f"# TEST 2/{TEST_COUNT}")
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print("# Testing stats on folders & isos")
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print("###############################################################################")
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for iso_path in roms_path.glob("*"):
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if iso_path.is_file():
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gcmtool_stats(iso_path)
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for folder_path in unpack_path.glob("*"):
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gcmtool_stats(folder_path)
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print("###############################################################################")
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print(f"# TEST 3/{TEST_COUNT}")
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print("# Comparing [unpack_path]->pack->unpack->[unpack2_path]")
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print("###############################################################################")
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# repack unpack_path repack_path
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repack_path.mkdir()
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unpack_paths = list(unpack_path.glob("*"))
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for folder_path in unpack_paths:
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gcmtool_pack(folder_path, repack_path / folder_path.name)
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# unpack repack_path unpack2_path
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unpack2_path.mkdir()
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for iso_path in repack_path.glob("*"):
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gcmtool_unpack(iso_path, unpack2_path / iso_path.name)
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# remove repack_path
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shutil.rmtree(repack_path)
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# compare unpack_path unpack2_path
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for folder_path in unpack_paths:
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compare_GCM(folder_path, unpack2_path / folder_path.name)
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# remove unpack2_path
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shutil.rmtree(unpack2_path)
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print("###############################################################################")
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print(f"# TEST 4/{TEST_COUNT}")
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print("# Comparing [unpack_path]->rebuild_fst->repack->unpack->[unpack2_path]")
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print("###############################################################################")
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# rebuild unpack_path FSTs
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unpack_paths = list(unpack_path.glob("*"))
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for folder_path in unpack_paths:
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gcmtool_rebuild_fst(folder_path)
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# repack unpack_path repack_path
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repack_path.mkdir()
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for folder_path in unpack_paths:
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gcmtool_pack(folder_path, repack_path / folder_path.name)
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# unpack repack_path unpack2_path
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unpack2_path.mkdir()
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for iso_path in repack_path.glob("*"):
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gcmtool_unpack(iso_path, unpack2_path / iso_path.name)
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# compare unpack_path unpack2_path
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for folder_path in unpack_path.glob("*"):
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compare_GCM(folder_path, unpack2_path / folder_path.name)
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# remove unpack2_path
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shutil.rmtree(unpack_path)
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shutil.rmtree(unpack2_path)
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print("###############################################################################")
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print(f"# TEST 5/{TEST_COUNT}")
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print("# Testing exceptions.")
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print("###############################################################################")
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gcm = Gcm()
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first_repacked = list(repack_path.glob("*"))[0]
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# change DVD magic
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with first_repacked.open("rb+") as first_repacked_file:
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first_repacked_file.seek(0x1c)
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first_repacked_file.write(b"\xC2\x33\x9F\x3E")
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try:
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gcm.unpack(first_repacked, unpack2_path / first_repacked.name)
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raise Exception("Error - InvalidDVDMagicError should have been triggered.")
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except InvalidDVDMagicError:
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print("Correct InvalidDVDMagicError triggered.")
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# restore DVD magic
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with first_repacked.open("rb+") as first_repacked_file:
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first_repacked_file.seek(0x1c)
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first_repacked_file.write(b"\xC2\x33\x9F\x3D")
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(unpack2_path / first_repacked.stem).mkdir(parents=True)
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try:
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gcm.unpack(first_repacked, unpack2_path / first_repacked.stem)
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raise Exception("Error - InvalidUnpackFolderError should have been triggered.")
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except InvalidUnpackFolderError:
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print("Correct InvalidUnpackFolderError triggered.")
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shutil.rmtree(unpack2_path)
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unpack_path.mkdir()
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first_unpacked = unpack_path / "Final Fantasy - Crystal Chronicles (Europe) (En,Fr,De,Es,It).iso"
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gcmtool_unpack(roms_path / first_unpacked.name, first_unpacked)
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try:
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gcm.pack(first_unpacked, first_repacked)
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raise Exception("Error - InvalidPackIsoError should have been triggered.")
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except InvalidPackIsoError:
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print("Correct InvalidPackIsoError triggered.")
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fst_data = (first_unpacked / "sys/fst.bin").read_bytes()
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(first_unpacked / "sys/fst.bin").write_bytes(fst_data + b"\x00")
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try:
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gcm.pack(first_unpacked, repack_path / (first_unpacked.stem + "except.iso"))
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raise Exception("Error - InvalidFSTSizeError should have been triggered.")
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except InvalidFSTSizeError:
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print("Correct InvalidFSTSizeError triggered.")
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(first_unpacked / "sys/fst.bin").write_bytes(fst_data)
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(first_unpacked / "root/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa").mkdir()
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try:
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gcm.pack(first_unpacked, repack_path / (first_unpacked.stem + "except.iso"))
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raise Exception("Error - InvalidRootFileFolderCountError should have been triggered.")
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except InvalidRootFileFolderCountError:
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print("Correct InvalidRootFileFolderCountError triggered.")
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(first_unpacked / "root/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa").rmdir()
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first_unpacked_file = None
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first_unpacked_dir = None
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for path in (first_unpacked / "root").glob("*"):
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if path.is_file() and first_unpacked_file is None:
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first_unpacked_file = path
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elif path.is_dir() and first_unpacked_dir is None:
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first_unpacked_dir = path
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if first_unpacked_file is not None and first_unpacked_dir is not None:
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break
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first_unpacked_file_data = first_unpacked_file.read_bytes()
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first_unpacked_file.write_bytes(first_unpacked_file_data + b"\x00")
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try:
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gcm.pack(first_unpacked, repack_path / (first_unpacked.stem + "except.iso"))
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raise Exception("Error - InvalidFSTFileSizeError should have been triggered.")
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except InvalidFSTFileSizeError:
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print("Correct InvalidFSTFileSizeError triggered.")
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first_unpacked_file.write_bytes(first_unpacked_file_data)
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new_dir = first_unpacked_dir.rename(first_unpacked_dir.parent / (first_unpacked_dir.name +"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"))
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try:
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gcm.pack(first_unpacked, repack_path / (first_unpacked.stem + "except.iso"))
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raise Exception("Error - FSTDirNotFoundError should have been triggered.")
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except FSTDirNotFoundError:
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print("Correct FSTDirNotFoundError triggered.")
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new_dir.rename(first_unpacked_dir)
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new_file = first_unpacked_file.rename(first_unpacked_file.parent / (first_unpacked_file.name +"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"))
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try:
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gcm.pack(first_unpacked, repack_path / (first_unpacked.stem + "except.iso"))
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raise Exception("Error - FSTFileNotFoundError should have been triggered.")
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except FSTFileNotFoundError:
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print("Correct FSTFileNotFoundError triggered.")
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new_file.rename(first_unpacked_file)
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try:
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gcm.stats(first_unpacked, 0x800)
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raise Exception("Error - BadAlignError should have been triggered.")
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except BadAlignError:
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print("Correct BadAlignError triggered.")
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#| 0001ec00 | 0023f9a0 | 00220da0 | boot.dol
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#| 0023fa00 | 00276058 | 00036658 | fst.bin
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# dol size for overflowing on FST + 1: 0023fa00 - 0001ec00 = 220e00
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backup_dol_data = (first_unpacked / "sys/boot.dol").read_bytes()
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with (first_unpacked / "sys/boot.dol").open("rb+") as bootdol_file:
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bootdol_file.seek(0x220e00)
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bootdol_file.write(b"\x00")
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try:
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gcm.pack(first_unpacked, repack_path / (first_unpacked.stem + "except.iso"))
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raise Exception("Error - DolSizeOverflowError should have been triggered.")
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except DolSizeOverflowError:
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print("Correct DolSizeOverflowError triggered.")
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(first_unpacked / "sys/boot.dol").write_bytes(backup_dol_data)
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with (first_unpacked / "sys/boot.dol").open("rb+") as bootdol_file:
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bootdol_file.seek(0x220dff)
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bootdol_file.write(b"\x00")
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gcm.pack(first_unpacked, repack_path / (first_unpacked.stem + "ok1.iso"))
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print("Correct pack with max dol size before FST.")
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# patch boot.bin to put fst before dol and make dol overflow on first file
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# fst_len = 00036658 and new offset 0001ec00
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with (first_unpacked / "sys/boot.bin").open("rb+") as bootbin:
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bootbin.seek(0x420) # dol offset
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bootbin.write(b"\x00\x05\x53\x00") # after the FST
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# now seeked on FST offset
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bootbin.write(b"\x00\x01\xEC\x00") # replace the dol
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#| 0001ec00 | 00055258 | 00036658 | fst.bin
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#| 00055300 | ? | ? | boot.dol
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#| 00278000 | 005111de | 002991de | game.MAP
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# max dol size = 00278000 - 00055300 = 222D00
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with (first_unpacked / "sys/boot.dol").open("rb+") as bootdol_file:
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bootdol_file.seek(0x222cff)
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bootdol_file.write(b"\x00")
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gcm.pack(first_unpacked, repack_path / (first_unpacked.stem + "ok2.iso"))
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print("Correct pack with max dol size before first file.")
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with (first_unpacked / "sys/boot.dol").open("rb+") as first_unpacked_file:
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first_unpacked_file.seek(0x222d00)
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first_unpacked_file.write(b"\x00")
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try:
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gcm.pack(first_unpacked, repack_path / (first_unpacked.stem + "except.iso"))
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raise Exception("Error - DolSizeOverflowError should have been triggered.")
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except DolSizeOverflowError:
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print("Correct DolSizeOverflowError triggered.")
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# Remove tests folders
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print("###############################################################################")
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print(f"# Cleaning test folders.")
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print("###############################################################################")
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shutil.rmtree(repack_path)
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shutil.rmtree(unpack_path)
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end = time()
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print("###############################################################################")
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print(f"# All tests are OK - elapsed time: {end - start}")
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print("###############################################################################")
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