mirror of
https://github.com/Virtual-World-RE/NeoGF.git
synced 2024-11-15 04:25:34 +01:00
system.conf with collision detection improvments
This commit is contained in:
tmpz23
GitHub
parent
bc5057dd24
commit
5882ddd464
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@ -1,9 +1,11 @@
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#!/usr/bin/env python3
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from pathlib import Path
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from configparser import ConfigParser
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import logging
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from pathlib import Path
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import re
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__version__ = "0.1.3"
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__version__ = "0.1.4"
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__author__ = "rigodron, algoflash, GGLinnk"
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__license__ = "MIT"
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__status__ = "developpement"
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@ -19,6 +21,8 @@ class InvalidPackIsoError(Exception): pass
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class InvalidFSTSizeError(Exception): pass
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# raised during pack when boot.dol size overflow on first file or on FST
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class DolSizeOverflowError(Exception): pass
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# raised during pack when fst.bin size overflow on first file or on dol
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class FstSizeOverflowError(Exception): pass
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# raised during pack when FST folder entry has an invalid nextdir id value; this happen when file and folder has been added/removed
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class InvalidRootFileFolderCountError(Exception): pass
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# raised during pack when FST file entry has a different value than the file being packed; this happen when a file has been edited changing it's size
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@ -29,6 +33,10 @@ class FSTDirNotFoundError(Exception): pass
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class FSTFileNotFoundError(Exception): pass
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# raised when using an invalid align
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class BadAlignError(Exception): pass
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# raised when a system conf entry has an invalid format
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class InvalidConfValueError(Exception): pass
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# raised when apploader overflow on dol or fst
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class ApploaderOverflowError(Exception): pass
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def align_top(address:int, align:int):
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@ -156,7 +164,7 @@ class FstTree(Fst):
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__name_block = None
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# Used to find min file_offset when fst is at the end of the iso beginning (otherweise we can't know the first available offset)
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__nameblock_length = None
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def __init__(self, root_path:Path, fst_offset:int, align:int = 4):
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def __init__(self, root_path:Path, fstbin_offset:int, align:int = 4):
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# as said before we don't want to add parents folder that don't are used in the folder we are packing.
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self.__root_path_length = len(root_path.parts)
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self.__root_node = Folder(root_path.name, None)
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@ -164,7 +172,7 @@ class FstTree(Fst):
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self.__name_block = b""
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self.__fst_block = b""
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self.__nameblock_length = 0
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self.__current_file_offset = fst_offset
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self.__current_file_offset = fstbin_offset
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def __str__(self):
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return self.__to_str(self.__root_node)
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def __to_str(self, node:Node, depth=0):
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@ -245,12 +253,11 @@ class FstTree(Fst):
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"""
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Add a path with each folder as Folder class and the File as a leaf.
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We take care to set parent and childs for folder and retrieve necessary
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informations:
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informations from the node_path input:
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* name
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* size
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* parent id & parent->child
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input:
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* path = Path (folder / file)
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input: path = Path (folder / file)
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"""
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parent = self.__root_node
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node = None
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@ -266,7 +273,7 @@ class FstTree(Fst):
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"""
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Generate the FST.
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The hard part Here is that we have to know the result before
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knowing where we can begin to add files
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knowing where we can begin to add files.
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"""
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self.__current_file_offset += self.__get_fst_length()
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self.__prepare()
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@ -275,41 +282,118 @@ class FstTree(Fst):
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class BootBin:
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"""
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BootBin group all operations related to the boot.bin system file
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using this class avoid errors and it's easier to use it elsewhere
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this groupment add meaning to hex values but we can also patch it.
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BootBin describe the Disk Header "boot.bin" file at the beginning of
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the GCM/iso. It groups all operations related to the boot.bin system
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file extracted in sys/boot.bin. Using this class avoid errors on offsets
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and makes it easier to get or set values.
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Constructor:
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* datas = bytes or bytearray if edit is needed of the boot.bin
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* datas = bytes or bytearray if edit of the boot.bin is needed.
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"""
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LEN = 0x440
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DOLOFFSET_OFFSET = 0x420
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FSTOFFSET_OFFSET = 0x424
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FSTLEN_OFFSET = 0x428
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MAXFSTLEN_OFFSET = 0x42c
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FSTMAXLEN_OFFSET = 0x42c
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__data = None
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def __init__(self, data:bytes):
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self.__data = bytearray(data)
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def data(self): return self.__data
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def dvd_magic(self):
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return self.__data[0x1c:0x20]
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def fstbin_offset(self):
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return int.from_bytes(self.__data[BootBin.FSTOFFSET_OFFSET:BootBin.FSTOFFSET_OFFSET+4],"big", signed=False)
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def fstbin_len(self):
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return int.from_bytes(self.__data[BootBin.FSTLEN_OFFSET:BootBin.FSTLEN_OFFSET+4],"big", signed=False)
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def dol_offset(self):
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return int.from_bytes(self.__data[BootBin.DOLOFFSET_OFFSET:BootBin.DOLOFFSET_OFFSET+4],"big", signed=False)
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def game_code(self):
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return self.__data[:4].decode('utf-8')
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def disc_number(self):
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return int.from_bytes(self.__data[6:7], 'big', signed=False)
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def __init__(self, data:bytes): self.__data = data
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def data(self): return self.__data
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def make_mut(self): self.__data = bytearray(self.__data)
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def game_code(self): return self.__data[:4].decode("ascii")
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def maker_code(self): return self.__data[4:6].decode("ascii")
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def disk_number(self): return int.from_bytes(self.__data[6:7], 'big')
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def game_version(self): return int.from_bytes(self.__data[7:8], 'big')
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def audio_streaming(self): return int.from_bytes(self.__data[8:9], 'big')
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def stream_buffer_size(self): return int.from_bytes(self.__data[9:0xa], 'big')
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def dvd_magic(self): return self.__data[0x1c:0x20]
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def game_name(self): return self.__data[0x20:0x60].split(b"\x00")[0].decode("utf-8")
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def dol_offset(self): return int.from_bytes(self.__data[BootBin.DOLOFFSET_OFFSET:BootBin.DOLOFFSET_OFFSET+4],"big")
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def fst_offset(self): return int.from_bytes(self.__data[BootBin.FSTOFFSET_OFFSET:BootBin.FSTOFFSET_OFFSET+4],"big")
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def fst_len(self): return int.from_bytes(self.__data[BootBin.FSTLEN_OFFSET:BootBin.FSTLEN_OFFSET+4],"big")
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def fst_max_len(self): return int.from_bytes(self.__data[BootBin.FSTMAXLEN_OFFSET:BootBin.FSTMAXLEN_OFFSET+4],"big")
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def set_game_code(self, game_code:str):
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self.__data[:4] = bytes(game_code, "ascii")
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def set_maker_code(self, maker_code:str):
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self.__data[4:6] = bytes(maker_code, "ascii")
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def set_disk_number(self, disk_number:int):
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self.__data[6:7] = disk_number.to_bytes(1, "big")
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def set_game_version(self, game_version:int):
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self.__data[7:8] = game_version.to_bytes(1, "big")
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def set_audio_streaming(self, audio_streaming:int):
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self.__data[8:9] = audio_streaming.to_bytes(1, "big")
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def set_stream_buffer_size(self, stream_buffer_size:int):
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self.__data[9:0xa] = stream_buffer_size.to_bytes(1, "big")
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def set_dvd_magic(self, dvd_magic:int):
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self.__data[0x1c:0x20] = dvd_magic.to_bytes(4, "big")
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def set_game_name(self, game_name:int):
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self.__data[0x20:0x60] = bytes(game_name, "utf-8").ljust(0x40, b"\x00")
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def set_dol_offset(self, offset:int):
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self.__data[BootBin.DOLOFFSET_OFFSET:BootBin.DOLOFFSET_OFFSET+4] = offset.to_bytes(4, "big")
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def set_fst_offset(self, offset:int):
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self.__data[BootBin.FSTOFFSET_OFFSET:BootBin.FSTOFFSET_OFFSET+4] = offset.to_bytes(4, "big")
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def set_fst_len(self, size:int):
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self.__data[BootBin.FSTLEN_OFFSET:BootBin.FSTLEN_OFFSET+4] = size.to_bytes(4, "big")
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def set_max_fst_len(self, size:int):
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self.__data[BootBin.MAXFSTLEN_OFFSET:BootBin.MAXFSTLEN_OFFSET+4] = size.to_bytes(4, "big")
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def set_fst_max_len(self, size:int):
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self.__data[BootBin.FSTMAXLEN_OFFSET:BootBin.FSTMAXLEN_OFFSET+4] = size.to_bytes(4, "big")
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class Bi2Bin:
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"""
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Bi2Bin describe the Disk Header Information "bi2.bin" file at the
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beginning of the GCM/iso after boot.bin. It groups all operations
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related to the bi2.bin system file extracted in sys/bi2.bin. Using
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this class avoid errors on offsets and makes it easier to get or set
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values.
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Constructor:
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* datas = bytes or bytearray if edit of the bi2.bin is needed.
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"""
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LEN = 0x2000
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__data = None
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def __init__(self, data:bytes): self.__data = data
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def data(self): return self.__data
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def make_mut(self): self.__data = bytearray(self.__data)
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def debug_monitor_size(self): return int.from_bytes(self.__data[:4], "big")
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def simulated_memory_size(self): return int.from_bytes(self.__data[4:8], "big")
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def argument_offset(self): return int.from_bytes(self.__data[8:12], "big")
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def debug_flag(self): return int.from_bytes(self.__data[12:16], "big")
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def track_location(self): return int.from_bytes(self.__data[16:20], "big")
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def track_size(self): return int.from_bytes(self.__data[20:24], "big")
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def country_code(self): return int.from_bytes(self.__data[24:28], "big")
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def total_disk(self): return int.from_bytes(self.__data[28:32], "big")
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def long_file_name_support(self): return int.from_bytes(self.__data[32:36], "big")
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def set_debug_monitor_size(self, debug_monitor_size:int):
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self.__data[:4] = debug_monitor_size.to_bytes(4, "big")
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def set_simulated_memory_size(self, simulated_memory_size:int):
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self.__data[4:8] = simulated_memory_size.to_bytes(4, "big")
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def set_argument_offset(self, argument_offset:int):
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self.__data[8:12] = argument_offset.to_bytes(4, "big")
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def set_debug_flag(self, debug_flag:int):
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self.__data[12:16] = debug_flag.to_bytes(4, "big")
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def set_track_location(self, track_location:int):
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self.__data[16:20] = track_location.to_bytes(4, "big")
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def set_track_size(self, track_size:int):
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self.__data[20:24] = track_size.to_bytes(4, "big")
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def set_country_code(self, country_code:int):
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self.__data[24:28] = country_code.to_bytes(4, "big")
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def set_total_disk(self, total_disk:int):
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self.__data[28:32] = total_disk.to_bytes(4, "big")
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def set_long_file_name_support(self, long_file_name_support:int):
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self.__data[32:36] = long_file_name_support.to_bytes(4, "big")
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class ApploaderImg:
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__data = None
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def __init__(self, data:bytes): self.__data = data
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def data(self): return self.__data
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def len(self): return len(self.__data)
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def make_mut(self): self.__data = bytearray(self.__data)
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def version(self): return self.__data[:0x10].split(b"\x00")[0].decode("ascii")
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def entry_point(self): return int.from_bytes(self.__data[0x10:0x14], "big")
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def size(self): return int.from_bytes(self.__data[0x14:0x18], "big")
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def trailer_size(self): return int.from_bytes(self.__data[0x18:0x1c], "big")
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def set_version(self, version:int): self.__data[:0x10] = bytes(version, "ascii").ljust(0x10, b"\x00")
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def set_entry_point(self, entry_point:int): self.__data[0x10:0x14] = entry_point.to_bytes(4, "big")
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def set_size(self, size:int): self.__data[0x14:0x18] = size.to_bytes(4, "big")
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def set_trailer_size(self, trailer_size:int): self.__data[0x18:0x1c] = trailer_size.to_bytes(4, "big")
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class Dol:
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@ -324,7 +408,7 @@ class Dol:
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"""
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dol_len = Dol.HEADER_LEN
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for i in range(18):
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dol_len += int.from_bytes(dolheader_data[Dol.HEADER_SECTIONLENTABLE_OFFSET+i*4:Dol.HEADER_SECTIONLENTABLE_OFFSET+(i+1)*4], "big", signed=False)
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dol_len += int.from_bytes(dolheader_data[Dol.HEADER_SECTIONLENTABLE_OFFSET+i*4:Dol.HEADER_SECTIONLENTABLE_OFFSET+(i+1)*4], "big")
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return dol_len
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@ -333,20 +417,244 @@ class Gcm:
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Gcm handle all operations needed by the command parser.
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File format informations: https://sudonull.com/post/68549-Gamecube-file-system-device
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"""
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BI2BIN_LEN = 0x2000
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APPLOADER_HEADER_LEN = 0x20
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APPLOADER_OFFSET = 0x2440
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APPLOADERSIZE_OFFSET = 0x2454
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APPLOADERLEN_OFFSET = 0x2454
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DVD_MAGIC = b"\xC2\x33\x9F\x3D"
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__bootbin = None # Disk header
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__bi2bin = None # Disk header Information
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__apploaderimg = None
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__hex_pattern = re.compile("^0x[0-9a-fA-F]+$")
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def __save_conf(self, sys_path:Path):
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"Read boot.bin and bi2.bin and save theirs conf in sys/system.conf."
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config = ConfigParser(allow_no_value=True) # allow_no_value to allow adding comments
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config.optionxform = str # makes options case sensitive
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config.add_section("Default")
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config.set("Default", "# Documentation available here: https://github.com/Virtual-World-RE/NeoGF/tree/main/gcmtool#system_conf")
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config.set("Default", "boot.bin_section", "disabled")
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config.set("Default", "bi2.bin_section", "disabled")
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config.set("Default", "apploader.img_section", "disabled")
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config.add_section("boot.bin")
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config.set("boot.bin", "GameCode", self.__bootbin.game_code()) # 4 bytes ASCII
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config.set("boot.bin", "MakerCode", self.__bootbin.maker_code()) # 2 bytes ASCII
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config.set("boot.bin", "DiskNumber", str(self.__bootbin.disk_number())) # 0-98
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config.set("boot.bin", "GameVersion", str(self.__bootbin.game_version())) # 0-99
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config.set("boot.bin", "AudioStreaming", str(self.__bootbin.audio_streaming())) # 0 or 1 flag
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config.set("boot.bin", "StreamBufferSize", str(self.__bootbin.stream_buffer_size())) # 0-15
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config.set("boot.bin", "DVDMagic", "0x" + self.__bootbin.dvd_magic().hex())
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config.set("boot.bin", "GameName", self.__bootbin.game_name()) # 64 bytes
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config.set("boot.bin", "DolOffset", f"auto")
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config.set("boot.bin", "FstOffset", f"auto")
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config.set("boot.bin", "FstLen", f"auto")
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config.set("boot.bin", "FstMaxLen", f"auto")
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config.add_section("bi2.bin")
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config.set("bi2.bin", "DebugMonitorSize", f"0x{self.__bi2bin.debug_monitor_size():x}")
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config.set("bi2.bin", "SimulatedMemorySize", f"0x{self.__bi2bin.simulated_memory_size():x}")
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config.set("bi2.bin", "ArgumentOffset", f"0x{self.__bi2bin.argument_offset():x}")
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config.set("bi2.bin", "DebugFlag", str(self.__bi2bin.debug_flag()))
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config.set("bi2.bin", "TrackLocation", f"0x{self.__bi2bin.track_location():x}")
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config.set("bi2.bin", "TrackSize", f"0x{self.__bi2bin.track_size():x}")
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config.set("bi2.bin", "CountryCode", str(self.__bi2bin.country_code())) # 0, 1, 2, 4
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config.set("bi2.bin", "TotalDisk", str(self.__bi2bin.total_disk())) # 1-99
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config.set("bi2.bin", "LongFileNameSupport", str(self.__bi2bin.long_file_name_support())) # 0, 1
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config.add_section("apploader.img")
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config.set("apploader.img", "Version", self.__apploaderimg.version())
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config.set("apploader.img", "EntryPoint", f"0x{self.__apploaderimg.entry_point():x}")
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config.set("apploader.img", "Size", f"0x{self.__apploaderimg.size():x}")
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config.set("apploader.img", "TrailerSize", f"0x{self.__apploaderimg.trailer_size():x}")
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with (sys_path / "system.conf").open("w") as conf_file:
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config.write(conf_file)
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def __load_conf(self, sys_path:Path):
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"Patch boot.bin, bi2.bin and apploader.img with the conf in sys/system.conf if Default section status is enabled."
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config = ConfigParser(allow_no_value=True) # allow_no_value to allow adding comments
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config.optionxform = str # makes options case sensitive
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config.read(sys_path / "system.conf")
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if config["Default"]["boot.bin_section"].lower() not in ["enabled", "disabled"]:
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raise InvalidConfValueError("Error - Invalid [Default][boot.bin_section]: must be enabled or disabled.")
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if config["Default"]["bi2.bin_section"].lower() not in ["enabled", "disabled"]:
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raise InvalidConfValueError("Error - Invalid [Default][bi2.bin_section]: must be enabled or disabled.")
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if config["Default"]["apploader.img_section"].lower() not in ["enabled", "disabled"]:
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raise InvalidConfValueError("Error - Invalid [Default][apploader.img_section]: must be enabled or disabled.")
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def check_numeric_format(config:ConfigParser, conf_list:list):
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for conf in conf_list:
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if not config[conf[0]][conf[1]].isnumeric():
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raise InvalidConfValueError(f"Error - Invalid [{conf[0]}][{conf[1]}]: must be numeric - 1234.")
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def check_hex_format(config:ConfigParser, conf_list:list):
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for conf in conf_list:
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if conf[2] and config[conf[0]][conf[1]] == "auto":
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continue
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if not self.__hex_pattern.fullmatch(config[conf[0]][conf[1]]):
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raise InvalidConfValueError(f"Error - Invalid [{conf[0]}][{conf[1]}]: must be hex - 0xabcdef.")
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check_numeric_format(config, [
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("boot.bin", "DiskNumber"),
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("boot.bin", "GameVersion"),
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("boot.bin", "StreamBufferSize"),
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("bi2.bin", "DebugFlag"),
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("bi2.bin", "TotalDisk")])
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check_hex_format(config, [
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("boot.bin", "DVDMagic", False),
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("boot.bin", "DolOffset", True),
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("boot.bin", "FstOffset", True),
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("boot.bin", "FstLen", True),
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("boot.bin", "FstMaxLen", True),
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("bi2.bin", "DebugMonitorSize", False),
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("bi2.bin", "SimulatedMemorySize", False),
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("bi2.bin", "ArgumentOffset", False),
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||||
("bi2.bin", "TrackLocation", False),
|
||||
("bi2.bin", "TrackSize", False),
|
||||
("apploader.img", "EntryPoint", False),
|
||||
("apploader.img", "Size", False),
|
||||
("apploader.img", "TrailerSize", False)])
|
||||
|
||||
self.__bootbin.make_mut()
|
||||
self.__bi2bin.make_mut()
|
||||
self.__apploaderimg.make_mut()
|
||||
|
||||
if config["Default"]["boot.bin_section"].lower() == "enabled":
|
||||
if len(config["boot.bin"]["GameCode"]) != 4:
|
||||
raise InvalidConfValueError("Error - Invalid [boot.bin][GameCode]: must be str with length = 4.")
|
||||
self.__bootbin.set_game_code( config["boot.bin"]["GameCode"] )
|
||||
|
||||
if len(config["boot.bin"]["MakerCode"]) != 2:
|
||||
raise InvalidConfValueError("Error - Invalid [boot.bin][MakerCode]: must be str with length = 2.")
|
||||
self.__bootbin.set_maker_code( config["boot.bin"]["MakerCode"] )
|
||||
|
||||
disk_number = int(config["boot.bin"]["DiskNumber"])
|
||||
if disk_number > 98:
|
||||
raise InvalidConfValueError("Error - Invalid [boot.bin][DiskNumber]: must be int with value < 99.")
|
||||
self.__bootbin.set_disk_number( disk_number )
|
||||
|
||||
game_version = int(config["boot.bin"]["GameVersion"])
|
||||
if game_version > 99:
|
||||
raise InvalidConfValueError("Error - Invalid [boot.bin][GameVersion]: must be int with value < 100.")
|
||||
self.__bootbin.set_game_version( game_version )
|
||||
|
||||
if config["boot.bin"]["AudioStreaming"] not in ["0", "1"]:
|
||||
raise InvalidConfValueError("Error - Invalid [boot.bin][AudioStreaming]: this flag must be 0 or 1.")
|
||||
self.__bootbin.set_audio_streaming( int(config["boot.bin"]["AudioStreaming"]) )
|
||||
|
||||
stream_buffer_size = int(config["boot.bin"]["StreamBufferSize"])
|
||||
if stream_buffer_size > 15:
|
||||
raise InvalidConfValueError("Error - Invalid [boot.bin][StreamBufferSize]: must be int with value between 0 and 15.")
|
||||
self.__bootbin.set_stream_buffer_size( stream_buffer_size )
|
||||
|
||||
if len(config["boot.bin"]["DVDMagic"]) != 10:
|
||||
raise InvalidConfValueError("Error - Invalid [boot.bin][DVDMagic]: must be 8 hex digits begining with 0x.")
|
||||
self.__bootbin.set_dvd_magic( int(config["boot.bin"]["DVDMagic"], 16) )
|
||||
|
||||
if len(config["boot.bin"]["GameName"]) > 64:
|
||||
raise InvalidConfValueError("Error - Invalid [boot.bin][GameName]: must be str with length < 64.")
|
||||
self.__bootbin.set_game_name( config["boot.bin"]["GameName"] )
|
||||
|
||||
if config["boot.bin"]["DolOffset"] != "auto":
|
||||
dol_offset = int(config["boot.bin"]["DolOffset"], 16)
|
||||
if dol_offset > 0xffffffff:
|
||||
raise InvalidConfValueError("Error - Invalid [boot.bin][DolOffset]: must be auto or unsigned hex value with length < 5 bytes.")
|
||||
self.__bootbin.set_dol_offset( dol_offset )
|
||||
|
||||
if config["boot.bin"]["FstOffset"] != "auto":
|
||||
fst_offset = int(config["boot.bin"]["FstOffset"], 16)
|
||||
if fst_offset > 0xffffffff:
|
||||
raise InvalidConfValueError("Error - Invalid [boot.bin][FstOffset]: must be auto or unsigned hex value with length < 5 bytes.")
|
||||
self.__bootbin.set_fst_offset( fst_offset )
|
||||
|
||||
if config["boot.bin"]["FstLen"] != "auto":
|
||||
fst_len = int(config["boot.bin"]["FstLen"], 16)
|
||||
if fst_len > 0xffffffff:
|
||||
raise InvalidConfValueError("Error - Invalid [boot.bin][FstLen]: must be auto or unsigned hex value with length < 5 bytes.")
|
||||
self.__bootbin.set_fst_len( fst_len )
|
||||
|
||||
if config["boot.bin"]["FstMaxLen"] != "auto":
|
||||
fst_max_len = int(config["boot.bin"]["FstMaxLen"], 16)
|
||||
if fst_max_len > 0xffffffff:
|
||||
raise InvalidConfValueError("Error - Invalid [boot.bin][FstMaxLen]: must be auto or unsigned hex value with length < 5 bytes.")
|
||||
self.__bootbin.set_fst_max_len( fst_max_len )
|
||||
|
||||
if config["Default"]["bi2.bin_section"].lower() == "enabled":
|
||||
debug_monitor_size = int(config["bi2.bin"]["DebugMonitorSize"], 16)
|
||||
if debug_monitor_size > 0xffffffff or debug_monitor_size & 31:
|
||||
raise InvalidConfValueError("Error - Invalid [bi2.bin][DebugMonitorSize]: must be hex value with length < 5 bytes and aligned to 32.")
|
||||
self.__bi2bin.set_debug_monitor_size( debug_monitor_size )
|
||||
|
||||
simulated_memory_size = int(config["bi2.bin"]["SimulatedMemorySize"], 16)
|
||||
if simulated_memory_size > 0xffffffff or simulated_memory_size & 31:
|
||||
raise InvalidConfValueError("Error - Invalid [bi2.bin][SimulatedMemorySize]: must be hex value with length < 5 bytes and aligned to 32.")
|
||||
self.__bi2bin.set_simulated_memory_size( simulated_memory_size )
|
||||
|
||||
argument_offset = int(config["bi2.bin"]["ArgumentOffset"], 16)
|
||||
if argument_offset > 0xffffffff:
|
||||
raise InvalidConfValueError("Error - Invalid [bi2.bin][ArgumentOffset]: must be hex value with length < 5 bytes.")
|
||||
self.__bi2bin.set_argument_offset( argument_offset )
|
||||
|
||||
debug_flag = int(config["bi2.bin"]["DebugFlag"])
|
||||
if debug_flag > 0xffffffff:
|
||||
raise InvalidConfValueError("Error - Invalid [bi2.bin][DebugFlag]: must be hex value with length < 5 bytes.")
|
||||
self.__bi2bin.set_debug_flag( debug_flag )
|
||||
|
||||
track_location = int(config["bi2.bin"]["TrackLocation"], 16)
|
||||
if track_location > 0xffffffff:
|
||||
raise InvalidConfValueError("Error - Invalid [bi2.bin][TrackLocation]: must be hex value with length < 5 bytes.")
|
||||
self.__bi2bin.set_track_location( track_location )
|
||||
|
||||
track_size = int(config["bi2.bin"]["TrackSize"], 16)
|
||||
if track_size > 0xffffffff:
|
||||
raise InvalidConfValueError("Error - Invalid [bi2.bin][TrackSize]: must be hex value with length < 5 bytes.")
|
||||
self.__bi2bin.set_track_size( track_size )
|
||||
|
||||
if config["bi2.bin"]["CountryCode"] not in ["0", "1", "2", "4"]:
|
||||
raise InvalidConfValueError("Error - Invalid [bi2.bin][CountryCode]: must have 0, 1, 2 or 4 value.")
|
||||
self.__bi2bin.set_country_code( int(config["bi2.bin"]["CountryCode"]) )
|
||||
|
||||
if int(config["bi2.bin"]["TotalDisk"]) > 99:
|
||||
raise InvalidConfValueError("Error - Invalid [bi2.bin][TotalDisk]: must between 1 and 99.")
|
||||
self.__bi2bin.set_total_disk( int(config["bi2.bin"]["TotalDisk"], 16) )
|
||||
|
||||
if config["bi2.bin"]["LongFileNameSupport"] not in ["0", "1"]:
|
||||
raise InvalidConfValueError("Error - Invalid [bi2.bin][LongFileNameSupport]: must be 0 or 1.")
|
||||
self.__bi2bin.set_long_file_name_support( int(config["bi2.bin"]["LongFileNameSupport"]) )
|
||||
|
||||
if config["Default"]["apploader.img_section"].lower() == "enabled":
|
||||
version = config["apploader.img"]["Version"]
|
||||
if len(version) > 10:
|
||||
raise InvalidConfValueError("Error - Invalid [apploader.img][Version]: must be 16 byte ascii string.")
|
||||
self.__apploaderimg.set_version( version )
|
||||
|
||||
entry_point = int(config["apploader.img"]["EntryPoint"], 16)
|
||||
if entry_point > 0xffffffff:
|
||||
raise InvalidConfValueError("Error - Invalid [apploader.img][EntryPoint]: must be hex value with length < 5 bytes.")
|
||||
self.__apploaderimg.set_entry_point( entry_point )
|
||||
|
||||
size = int(config["apploader.img"]["Size"], 16)
|
||||
if size > 0xffffffff:
|
||||
raise InvalidConfValueError("Error - Invalid [apploader.img][Size]: must be hex value with length < 5 bytes.")
|
||||
self.__apploaderimg.set_size( size )
|
||||
|
||||
trailer_size = int(config["apploader.img"]["TrailerSize"], 16)
|
||||
if trailer_size > 0xffffffff:
|
||||
raise InvalidConfValueError("Error - Invalid [apploader.img][TrailerSize]: must be hex value with length < 5 bytes.")
|
||||
self.__apploaderimg.set_trailer_size( trailer_size )
|
||||
|
||||
(sys_path / "boot.bin").write_bytes(self.__bootbin.data())
|
||||
(sys_path / "bi2.bin").write_bytes(self.__bi2bin.data())
|
||||
(sys_path / "apploader.img").write_bytes(self.__apploaderimg.data())
|
||||
def __get_min_file_offset(self, fstbin_data:bytes):
|
||||
"Get the min file offset to check if there is an overflow."
|
||||
min_offset = None
|
||||
for i in range(2, int.from_bytes(fstbin_data[8:12], "big", signed=False)):
|
||||
if int.from_bytes(fstbin_data[i*12:i*12+1], "big", signed=False) == FstTree.TYPE_FILE:
|
||||
for i in range(2, int.from_bytes(fstbin_data[8:12], "big")):
|
||||
if int.from_bytes(fstbin_data[i*12:i*12+1], "big") == FstTree.TYPE_FILE:
|
||||
if min_offset is None:
|
||||
min_offset = int.from_bytes(fstbin_data[i*12+4:i*12+8], "big", signed=False)
|
||||
min_offset = int.from_bytes(fstbin_data[i*12+4:i*12+8], "big")
|
||||
continue
|
||||
min_offset = min(min_offset, int.from_bytes(fstbin_data[i*12+4:i*12+8], "big", signed=False))
|
||||
min_offset = min(min_offset, int.from_bytes(fstbin_data[i*12+4:i*12+8], "big"))
|
||||
return min_offset
|
||||
def unpack(self, iso_path:Path, folder_path:Path):
|
||||
"""
|
||||
|
|
@ -355,27 +663,27 @@ class Gcm:
|
|||
input: folder_path = Path
|
||||
"""
|
||||
with iso_path.open("rb") as iso_file:
|
||||
bootbin = BootBin(iso_file.read(BootBin.LEN))
|
||||
if bootbin.dvd_magic() != Gcm.DVD_MAGIC:
|
||||
raise InvalidDVDMagicError("Error - Invalid DVD format - this tool is for ISO/GCM files")
|
||||
self.__bootbin = BootBin(iso_file.read(BootBin.LEN))
|
||||
if self.__bootbin.dvd_magic() != Gcm.DVD_MAGIC:
|
||||
raise InvalidDVDMagicError("Error - Invalid DVD format - this tool is for ISO/GCM files.")
|
||||
|
||||
bi2bin_data = iso_file.read(Gcm.BI2BIN_LEN)
|
||||
self.__bi2bin = Bi2Bin(iso_file.read(Bi2Bin.LEN))
|
||||
|
||||
iso_file.seek(Gcm.APPLOADERSIZE_OFFSET)
|
||||
size = int.from_bytes(iso_file.read(4), "big", signed=False)
|
||||
trailerSize = int.from_bytes(iso_file.read(4), "big", signed=False)
|
||||
iso_file.seek(Gcm.APPLOADERLEN_OFFSET)
|
||||
size = int.from_bytes(iso_file.read(4), "big")
|
||||
trailerSize = int.from_bytes(iso_file.read(4), "big")
|
||||
|
||||
apploader_size = Gcm.APPLOADER_HEADER_LEN + size + trailerSize
|
||||
|
||||
iso_file.seek(Gcm.APPLOADER_OFFSET)
|
||||
apploaderimg_data = iso_file.read(apploader_size)
|
||||
self.__apploaderimg = ApploaderImg(iso_file.read(apploader_size))
|
||||
|
||||
fstbin_offset = bootbin.fstbin_offset()
|
||||
fstbin_len = bootbin.fstbin_len()
|
||||
fstbin_offset = self.__bootbin.fst_offset()
|
||||
fstbin_len = self.__bootbin.fst_len()
|
||||
iso_file.seek( fstbin_offset )
|
||||
fstbin_data = iso_file.read( fstbin_len )
|
||||
|
||||
dol_offset = bootbin.dol_offset()
|
||||
dol_offset = self.__bootbin.dol_offset()
|
||||
iso_file.seek( dol_offset )
|
||||
dol = Dol()
|
||||
dolheader_data = iso_file.read(Dol.HEADER_LEN)
|
||||
|
|
@ -383,7 +691,7 @@ class Gcm:
|
|||
bootdol_data = dolheader_data + iso_file.read( dol_len - Dol.HEADER_LEN )
|
||||
|
||||
if folder_path == Path("."):
|
||||
folder_path = Path(f"{bootbin.game_code()}-{bootbin.disc_number():02}")
|
||||
folder_path = Path(f"{self.__bootbin.game_code()}-{self.__bootbin.disk_number():02}")
|
||||
if folder_path.is_dir():
|
||||
raise InvalidUnpackFolderError(f"Error - \"{folder_path}\" already exist. Remove this folder or use another name for the unpack folder.")
|
||||
|
||||
|
|
@ -392,16 +700,19 @@ class Gcm:
|
|||
sys_path.mkdir(parents=True)
|
||||
|
||||
logging.debug(f"{iso_path}(0x0:0x{BootBin.LEN:x}) -> {sys_path / 'boot.bin'}")
|
||||
(sys_path / "boot.bin").write_bytes(bootbin.data())
|
||||
(sys_path / "boot.bin").write_bytes(self.__bootbin.data())
|
||||
logging.debug(f"{iso_path}(0x440:0x{Gcm.APPLOADER_OFFSET:x}) -> {sys_path / 'bi2.bin'}")
|
||||
(sys_path / "bi2.bin" ).write_bytes(bi2bin_data)
|
||||
(sys_path / "bi2.bin" ).write_bytes(self.__bi2bin.data())
|
||||
logging.debug(f"{iso_path}(0x{Gcm.APPLOADER_OFFSET:x}:0x{Gcm.APPLOADER_OFFSET + apploader_size:x} -> {sys_path / 'apploader.img'}")
|
||||
(sys_path / "apploader.img").write_bytes(apploaderimg_data)
|
||||
(sys_path / "apploader.img").write_bytes(self.__apploaderimg.data())
|
||||
logging.debug(f"{iso_path}(0x{fstbin_offset:x}:0x{fstbin_offset + fstbin_len:x}) -> {sys_path / 'fst.bin'}")
|
||||
(sys_path / "fst.bin").write_bytes(fstbin_data)
|
||||
logging.debug(f"{iso_path}(0x{dol_offset:x}:0x{dol_offset + dol_len:x}) -> {sys_path / 'boot.dol'}")
|
||||
(sys_path / "boot.dol").write_bytes(bootdol_data)
|
||||
|
||||
# Generate conf from sys files
|
||||
self.__save_conf(sys_path)
|
||||
|
||||
root_path = folder_path / "root"
|
||||
root_path.mkdir()
|
||||
|
||||
|
|
@ -410,7 +721,7 @@ class Gcm:
|
|||
currentdir_path = root_path
|
||||
|
||||
# root: id=0 so nextdir is the end
|
||||
nextdir = int.from_bytes(fstbin_data[8:12], "big", signed=False)
|
||||
nextdir = int.from_bytes(fstbin_data[8:12], "big")
|
||||
# offset of filenames block
|
||||
base_names = nextdir * 12
|
||||
# go to parent when id reach next dir
|
||||
|
|
@ -418,24 +729,24 @@ class Gcm:
|
|||
|
||||
for id in range(1, base_names // 12):
|
||||
i = id * 12
|
||||
file_type = int.from_bytes(fstbin_data[i:i+1], "big", signed=False)
|
||||
name = fstbin_data[base_names + int.from_bytes(fstbin_data[i+1:i+4], "big", signed=False):].split(b"\x00")[0].decode("utf-8")
|
||||
file_type = int.from_bytes(fstbin_data[i:i+1], "big")
|
||||
name = fstbin_data[base_names + int.from_bytes(fstbin_data[i+1:i+4], "big"):].split(b"\x00")[0].decode("utf-8")
|
||||
|
||||
while id == nextdir_arr[-1]:
|
||||
currentdir_path = currentdir_path.parent
|
||||
nextdir_arr.pop()
|
||||
|
||||
if file_type == FstTree.TYPE_DIR:
|
||||
nextdir = int.from_bytes(fstbin_data[i+8:i+12], "big", signed=False)
|
||||
parentdir = int.from_bytes(fstbin_data[i+4:i+8], "big", signed=False)
|
||||
nextdir = int.from_bytes(fstbin_data[i+8:i+12], "big")
|
||||
parentdir = int.from_bytes(fstbin_data[i+4:i+8], "big")
|
||||
|
||||
nextdir_arr.append( nextdir )
|
||||
currentdir_path = dir_id_path[parentdir] / name
|
||||
dir_id_path[id] = currentdir_path
|
||||
currentdir_path.mkdir(exist_ok=True)
|
||||
else:
|
||||
fileoffset = int.from_bytes(fstbin_data[i+4:i+8], "big", signed=False)
|
||||
filesize = int.from_bytes(fstbin_data[i+8:i+12], "big", signed=False)
|
||||
fileoffset = int.from_bytes(fstbin_data[i+4:i+8], "big")
|
||||
filesize = int.from_bytes(fstbin_data[i+8:i+12], "big")
|
||||
|
||||
iso_file.seek(fileoffset)
|
||||
(currentdir_path / name).write_bytes( iso_file.read(filesize) )
|
||||
|
|
@ -456,28 +767,52 @@ class Gcm:
|
|||
with iso_path.open("wb") as iso_file:
|
||||
sys_path = folder_path / "sys"
|
||||
|
||||
logging.debug(f"{sys_path / 'boot.bin'} -> {iso_path}(0x0:0x{BootBin.LEN:x})")
|
||||
bootbin = BootBin((sys_path / "boot.bin").read_bytes())
|
||||
iso_file.write(bootbin.data())
|
||||
logging.debug(f"{sys_path / 'bi2.bin'} -> {iso_path}(0x{BootBin.LEN:x}:0x{Gcm.APPLOADER_OFFSET:x})")
|
||||
iso_file.write((sys_path / "bi2.bin").read_bytes())
|
||||
logging.debug(f"{sys_path / 'apploader.img'} -> {iso_path}(0x{Gcm.APPLOADER_OFFSET:x}:0x{Gcm.APPLOADER_OFFSET + (sys_path / 'apploader.img').stat().st_size:x}")
|
||||
iso_file.write((sys_path / "apploader.img").read_bytes())
|
||||
self.__bootbin = BootBin((sys_path / "boot.bin").read_bytes())
|
||||
self.__bi2bin = Bi2Bin((sys_path / "bi2.bin").read_bytes())
|
||||
self.__apploaderimg = ApploaderImg((sys_path / "apploader.img").read_bytes())
|
||||
|
||||
fstbin_offset = bootbin.fstbin_offset()
|
||||
fstbin_len = bootbin.fstbin_len()
|
||||
# Patch boot.bin and bi2.bin if system.conf is enabled
|
||||
self.__load_conf(sys_path)
|
||||
|
||||
logging.debug(f"{sys_path / 'boot.bin'} -> {iso_path}(0x0:0x{BootBin.LEN:x})")
|
||||
iso_file.write(self.__bootbin.data())
|
||||
logging.debug(f"{sys_path / 'bi2.bin'} -> {iso_path}(0x{BootBin.LEN:x}:0x{Gcm.APPLOADER_OFFSET:x})")
|
||||
iso_file.write(self.__bi2bin.data())
|
||||
|
||||
apploader_end_offset = Gcm.APPLOADER_OFFSET + self.__apploaderimg.len()
|
||||
logging.debug(f"{sys_path / 'apploader.img'} -> {iso_path}(0x{Gcm.APPLOADER_OFFSET:x}:0x{apploader_end_offset:x}")
|
||||
iso_file.write(self.__apploaderimg.data())
|
||||
|
||||
fstbin_offset = self.__bootbin.fst_offset()
|
||||
fstbin_len = self.__bootbin.fst_len()
|
||||
fstbin_end_offset = fstbin_offset + fstbin_len
|
||||
if (sys_path / "fst.bin").stat().st_size != fstbin_len:
|
||||
raise InvalidFSTSizeError(f"Error - Invalid fst.bin size in boot.bin offset 0x{BootBin.FSTLEN_OFFSET:x}:0x{BootBin.FSTLEN_OFFSET+4:x}!")
|
||||
raise InvalidFSTSizeError(f"Error - Invalid fst.bin size in boot.bin offset 0x{BootBin.FSTLEN_OFFSET:x}:0x{BootBin.FSTLEN_OFFSET+4:x}.")
|
||||
logging.debug(f"{sys_path / 'fst.bin'} -> {iso_path}(0x{fstbin_offset:x}:0x{fstbin_offset + fstbin_len:x})")
|
||||
iso_file.seek( fstbin_offset )
|
||||
fstbin_data = (sys_path / "fst.bin").read_bytes()
|
||||
iso_file.write( fstbin_data )
|
||||
|
||||
dol_offset = bootbin.dol_offset()
|
||||
dol_offset = self.__bootbin.dol_offset()
|
||||
dol_end_offset = dol_offset + (sys_path / 'boot.dol').stat().st_size
|
||||
|
||||
min_file_offset = self.__get_min_file_offset(fstbin_data)
|
||||
|
||||
# FST can be before the dol or after
|
||||
if not disable_ignore and (dol_offset < fstbin_offset < dol_end_offset or (fstbin_offset < dol_offset and dol_end_offset > self.__get_min_file_offset(fstbin_data))):
|
||||
raise DolSizeOverflowError("Error - The dol size has been increased and overflow on next file or on FST. To solve this use --rebuild-fst.")
|
||||
# We control values to avoid Overflows
|
||||
if not disable_ignore:
|
||||
if not Gcm.APPLOADER_OFFSET < dol_offset < dol_end_offset <= fstbin_offset and not \
|
||||
fstbin_offset < dol_offset < dol_end_offset <= min_file_offset:
|
||||
raise DolSizeOverflowError("Error - The dol size has been increased and overflow on next file or on FST. To solve this check the sys/system.conf file if used or use --rebuild-fst.")
|
||||
|
||||
if not Gcm.APPLOADER_OFFSET < fstbin_offset < fstbin_end_offset <= dol_offset and not \
|
||||
dol_end_offset <= fstbin_offset < fstbin_end_offset <= min_file_offset:
|
||||
raise FstSizeOverflowError("Error - The FST size has been increased and overflow on next file or on FST. To solve this check the sys/system.conf file if used or use --rebuild-fst.")
|
||||
|
||||
if Gcm.APPLOADER_OFFSET < dol_offset < apploader_end_offset or \
|
||||
Gcm.APPLOADER_OFFSET < fstbin_offset < apploader_end_offset:
|
||||
raise ApploaderOverflowError("Error - The apploader size has been increased and overflow on dol or on FST. To solve this check the sys/system.conf file if used or use --rebuild-fst.")
|
||||
|
||||
logging.debug(f"{sys_path / 'boot.dol'} -> {iso_path}(0x{dol_offset:x}:0x{dol_end_offset:x})")
|
||||
iso_file.seek( dol_offset )
|
||||
iso_file.write( (sys_path / "boot.dol").read_bytes() )
|
||||
|
|
@ -487,7 +822,7 @@ class Gcm:
|
|||
currentdir_path = folder_path / "root"
|
||||
|
||||
# root: id=0 so nextdir is the end
|
||||
nextdir = int.from_bytes(fstbin_data[8:12], "big", signed=False)
|
||||
nextdir = int.from_bytes(fstbin_data[8:12], "big")
|
||||
# offset of filenames block
|
||||
base_names = nextdir * 12
|
||||
# go to parent when id reach next dir
|
||||
|
|
@ -499,16 +834,16 @@ class Gcm:
|
|||
|
||||
for id in range(1, base_names // 12):
|
||||
i = id * 12
|
||||
file_type = int.from_bytes(fstbin_data[i:i+1], "big", signed=False)
|
||||
name = fstbin_data[base_names + int.from_bytes(fstbin_data[i+1:i+4], "big", signed=False):].split(b"\x00")[0].decode("utf-8")
|
||||
file_type = int.from_bytes(fstbin_data[i:i+1], "big")
|
||||
name = fstbin_data[base_names + int.from_bytes(fstbin_data[i+1:i+4], "big"):].split(b"\x00")[0].decode("utf-8")
|
||||
|
||||
while id == nextdir_arr[-1]:
|
||||
currentdir_path = currentdir_path.parent
|
||||
nextdir_arr.pop()
|
||||
|
||||
if file_type == FstTree.TYPE_DIR:
|
||||
nextdir = int.from_bytes(fstbin_data[i+8:i+12], "big", signed=False)
|
||||
parentdir = int.from_bytes(fstbin_data[i+4:i+8], "big", signed=False)
|
||||
nextdir = int.from_bytes(fstbin_data[i+8:i+12], "big")
|
||||
parentdir = int.from_bytes(fstbin_data[i+4:i+8], "big")
|
||||
|
||||
nextdir_arr.append( nextdir )
|
||||
currentdir_path = dir_id_path[parentdir] / name
|
||||
|
|
@ -523,22 +858,24 @@ class Gcm:
|
|||
"The file has been removed or renamed. Use --rebuild-fst to update the FST and avoid this error."
|
||||
"Warning: DVD SDK use filenames to load files from the GCM/iso.")
|
||||
|
||||
file_offset = int.from_bytes(fstbin_data[i+4:i+8], "big", signed=False)
|
||||
file_len = int.from_bytes(fstbin_data[i+8:i+12], "big", signed=False)
|
||||
file_offset = int.from_bytes(fstbin_data[i+4:i+8], "big")
|
||||
file_len = int.from_bytes(fstbin_data[i+8:i+12], "big")
|
||||
|
||||
if (currentdir_path / name).stat().st_size != file_len:
|
||||
raise InvalidFSTFileSizeError(f"Error - Invalid file size: {currentdir_path / name} - use --rebuild-fst before packing files in the iso.")
|
||||
logging.debug(f"{currentdir_path / name} -> {iso_path}(0x{file_offset:x}:0x{file_offset + file_len:x})")
|
||||
iso_file.seek(file_offset)
|
||||
iso_file.write( (currentdir_path / name).read_bytes() )
|
||||
except (InvalidFSTSizeError, DolSizeOverflowError, InvalidRootFileFolderCountError, InvalidFSTFileSizeError, FSTDirNotFoundError, FSTFileNotFoundError):
|
||||
except (InvalidFSTSizeError, DolSizeOverflowError, InvalidRootFileFolderCountError, InvalidFSTFileSizeError, \
|
||||
FSTDirNotFoundError, FSTFileNotFoundError, InvalidConfValueError, FstSizeOverflowError, ApploaderOverflowError):
|
||||
iso_path.unlink()
|
||||
raise
|
||||
def rebuild_fst(self, folder_path:Path, align:int):
|
||||
"""
|
||||
Rebuild FST generate a new file system by using all files in the root folder
|
||||
it also patch boot.bin caracteristics and apploader.img or also file system changes.
|
||||
Game dol use filenames to find files so be carrefull when changing the root filesystem.
|
||||
it patch boot.bin caracteristics, apploader.img and also file system changes.
|
||||
Game dol use FST filenames to find files so be carrefull when changing the
|
||||
root filesystem. Align is 0x8000 for APDCM.
|
||||
input: folder_path = Path
|
||||
input: align = int
|
||||
"""
|
||||
|
|
@ -547,14 +884,14 @@ class Gcm:
|
|||
|
||||
dol_offset = align_top(Gcm.APPLOADER_OFFSET + (sys_path / "apploader.img").stat().st_size, align)
|
||||
logging.info(f"Patching {Path('sys/boot.bin')} offset 0x{BootBin.DOLOFFSET_OFFSET:x} with new dol offset (0x{dol_offset:x})")
|
||||
bootbin = BootBin((sys_path / "boot.bin").read_bytes())
|
||||
bootbin.set_dol_offset(dol_offset)
|
||||
self.__bootbin = BootBin(bytearray((sys_path / "boot.bin").read_bytes()))
|
||||
self.__bootbin.set_dol_offset(dol_offset)
|
||||
|
||||
fst_offset = align_top(dol_offset + (sys_path / "boot.dol").stat().st_size, align)
|
||||
logging.info(f"Patching {Path('sys/boot.bin')} offset 0x{BootBin.FSTOFFSET_OFFSET:x} with new FST offset (0x{fst_offset:x})")
|
||||
bootbin.set_fst_offset(fst_offset)
|
||||
fstbin_offset = align_top(dol_offset + (sys_path / "boot.dol").stat().st_size, align)
|
||||
logging.info(f"Patching {Path('sys/boot.bin')} offset 0x{BootBin.FSTOFFSET_OFFSET:x} with new FST offset (0x{fstbin_offset:x})")
|
||||
self.__bootbin.set_fst_offset(fstbin_offset)
|
||||
|
||||
fst_tree = FstTree(root_path, fst_offset, align=align)
|
||||
fst_tree = FstTree(root_path, fstbin_offset, align=align)
|
||||
|
||||
# Sorting paths approach original fst sort, but in original fst specials chars are after and not before chars
|
||||
path_list = sorted([path for path in root_path.glob('**/*')], key=lambda s:Path(str(s).upper()))
|
||||
|
|
@ -567,46 +904,52 @@ class Gcm:
|
|||
logging.info(f"Writing fst in {Path('sys/fst.bin')}")
|
||||
fst_path.write_bytes( fst_tree.generate_fst() )
|
||||
|
||||
fst_size = fst_path.stat().st_size
|
||||
logging.info(f"Patching {Path('sys/boot.bin')} offset 0x{BootBin.FSTLEN_OFFSET:x} with new FST size (0x{fst_size:x})")
|
||||
bootbin.set_fst_len(fst_size)
|
||||
logging.info(f"Patching {Path('sys/boot.bin')} offset 0x{BootBin.MAXFSTLEN_OFFSET:x} with new FST max size (0x{fst_size:x})")
|
||||
bootbin.set_max_fst_len(fst_size)
|
||||
fstbin_len = fst_path.stat().st_size
|
||||
logging.info(f"Patching {Path('sys/boot.bin')} offset 0x{BootBin.FSTLEN_OFFSET:x} with new FST size (0x{fstbin_len:x})")
|
||||
self.__bootbin.set_fst_len(fstbin_len)
|
||||
logging.info(f"Patching {Path('sys/boot.bin')} offset 0x{BootBin.FSTMAXLEN_OFFSET:x} with new FST max size (0x{fstbin_len:x})")
|
||||
self.__bootbin.set_fst_max_len(fstbin_len)
|
||||
|
||||
(sys_path / "boot.bin").write_bytes(bootbin.data())
|
||||
(sys_path / "boot.bin").write_bytes(self.__bootbin.data())
|
||||
def __get_sys_from_folder(self, folder_path:Path):
|
||||
"""
|
||||
Load system files from an unpacked GCM/iso folder and returns informations for the stats command.
|
||||
input: folder_path = Path
|
||||
return (BootBin, apploader_size:int, dol_len:int, fstbin_data:bytes)
|
||||
return (dol_len:int, fstbin_data:bytes)
|
||||
load __bootbin, __bi2bin, __apploaderimg
|
||||
"""
|
||||
sys_path = folder_path / "sys"
|
||||
bootbin = BootBin((sys_path / "boot.bin").read_bytes())
|
||||
apploader_size = (sys_path / "apploader.img").stat().st_size
|
||||
self.__bootbin = BootBin((sys_path / "boot.bin").read_bytes())
|
||||
self.__bi2bin = Bi2Bin((sys_path / "bi2.bin").read_bytes())
|
||||
self.__apploaderimg = ApploaderImg((sys_path / "apploader.img").read_bytes())
|
||||
|
||||
dol_len = (sys_path / "boot.dol").stat().st_size
|
||||
fstbin_data = (sys_path / "fst.bin").read_bytes()
|
||||
return (bootbin, apploader_size, dol_len, fstbin_data)
|
||||
return (dol_len, fstbin_data)
|
||||
def __get_sys_from_file(self, file_path:Path):
|
||||
"""
|
||||
Load system files from a GCM/iso file and returns informations for the stats command.
|
||||
input: folder_path = Path
|
||||
return (BootBin, apploader_size:int, dol_len:int, fstbin_data:bytes)
|
||||
return (dol_len:int, fstbin_data:bytes)
|
||||
load __bootbin, __bi2bin, __apploaderimg
|
||||
"""
|
||||
bootbin = None
|
||||
apploader_size = None
|
||||
dol_len = None
|
||||
fstbin_data = None
|
||||
with file_path.open("rb") as iso_file:
|
||||
bootbin = BootBin(iso_file.read(BootBin.LEN))
|
||||
iso_file.seek(Gcm.APPLOADERSIZE_OFFSET)
|
||||
apploader_size = Gcm.APPLOADER_HEADER_LEN + int.from_bytes(iso_file.read(4), "big", signed=False) + int.from_bytes(iso_file.read(4), "big", signed=False)
|
||||
self.__bootbin = BootBin(iso_file.read(BootBin.LEN))
|
||||
self.__bi2bin = Bi2Bin(iso_file.read(Bi2Bin.LEN))
|
||||
|
||||
iso_file.seek(Gcm.APPLOADERLEN_OFFSET)
|
||||
apploader_size = Gcm.APPLOADER_HEADER_LEN + int.from_bytes(iso_file.read(4), "big") + int.from_bytes(iso_file.read(4), "big")
|
||||
iso_file.seek(Gcm.APPLOADER_OFFSET)
|
||||
self.__apploaderimg = ApploaderImg(iso_file.read(apploader_size))
|
||||
|
||||
dol = Dol()
|
||||
iso_file.seek( bootbin.dol_offset() )
|
||||
iso_file.seek( self.__bootbin.dol_offset() )
|
||||
dol_len = dol.get_dol_len( iso_file.read(Dol.HEADER_LEN) )
|
||||
iso_file.seek( bootbin.fstbin_offset() )
|
||||
fstbin_data = iso_file.read(bootbin.fstbin_len())
|
||||
return (bootbin, apploader_size, dol_len, fstbin_data)
|
||||
iso_file.seek( self.__bootbin.fst_offset() )
|
||||
fstbin_data = iso_file.read(self.__bootbin.fst_len())
|
||||
return (dol_len, fstbin_data)
|
||||
def stats(self, path:Path, align:int = 4):
|
||||
"""
|
||||
Print SYS files informations, global memory mapping, empty spaces inside the GCM/iso
|
||||
|
|
@ -614,7 +957,39 @@ class Gcm:
|
|||
* path = Path (folder or iso/GCM file)
|
||||
* align = int
|
||||
"""
|
||||
(bootbin, apploader_size, dol_len, fstbin_data) = self.__get_sys_from_folder(path) if path.is_dir() else self.__get_sys_from_file(path)
|
||||
(dol_len, fstbin_data) = self.__get_sys_from_folder(path) if path.is_dir() else self.__get_sys_from_file(path)
|
||||
|
||||
global_stats = f"# Stats for \"{path}\":\n\n" + \
|
||||
"[boot.bin]\n" + \
|
||||
f"GameCode = {self.__bootbin.game_code()}\n" + \
|
||||
f"MakerCode = {self.__bootbin.maker_code()}\n" + \
|
||||
f"DiskNumber = {self.__bootbin.disk_number()}\n" + \
|
||||
f"GameVersion = {self.__bootbin.game_version()}\n" + \
|
||||
f"AudioStreaming = {self.__bootbin.audio_streaming()}\n" + \
|
||||
f"StreamBufferSize = {self.__bootbin.stream_buffer_size()}\n" + \
|
||||
f"DVDMagic = 0x{self.__bootbin.dvd_magic().hex()}\n" + \
|
||||
f"GameName = {self.__bootbin.game_name()}\n" + \
|
||||
f"DolOffset = 0x{self.__bootbin.dol_offset():x}\n" + \
|
||||
f"FstOffset = 0x{self.__bootbin.fst_offset():x}\n" + \
|
||||
f"FstLen = 0x{self.__bootbin.fst_len():x}\n" + \
|
||||
f"FstMaxLen = 0x{self.__bootbin.fst_max_len():x}\n\n" + \
|
||||
"[bi2.bin]\n" + \
|
||||
f"DebugMonitorSize = 0x{self.__bi2bin.debug_monitor_size():x}\n" + \
|
||||
f"SimulatedMemorySize = 0x{self.__bi2bin.simulated_memory_size():x}\n" + \
|
||||
f"ArgumentOffset = 0x{self.__bi2bin.argument_offset():x}\n" + \
|
||||
f"DebugFlag = {self.__bi2bin.debug_flag()}\n" + \
|
||||
f"TrackLocation = 0x{self.__bi2bin.track_location():x}\n" + \
|
||||
f"TrackSize = 0x{self.__bi2bin.track_size():x}\n" + \
|
||||
f"CountryCode = {self.__bi2bin.country_code()}\n" + \
|
||||
f"TotalDisk = {self.__bi2bin.total_disk()}\n" + \
|
||||
f"LongFileNameSupport = {self.__bi2bin.long_file_name_support()}\n\n" + \
|
||||
"[apploader.img]\n" + \
|
||||
f"Version = {self.__apploaderimg.version()}\n" + \
|
||||
f"EntryPoint = 0x{self.__apploaderimg.entry_point():x}\n" + \
|
||||
f"Size = 0x{self.__apploaderimg.size():x}\n" + \
|
||||
f"TrailerSize = 0x{self.__apploaderimg.trailer_size():x}\n"
|
||||
|
||||
print(global_stats)
|
||||
|
||||
class MemoryObject:
|
||||
def __init__(self, name:str, beg_offset:int, length:int):
|
||||
|
|
@ -627,16 +1002,16 @@ class Gcm:
|
|||
|
||||
mem_obj_list = [
|
||||
MemoryObject("boot.bin", 0, BootBin.LEN),
|
||||
MemoryObject("bi2.bin", 0x440, Gcm.BI2BIN_LEN),
|
||||
MemoryObject("apploader.img", Gcm.APPLOADER_OFFSET, apploader_size),
|
||||
MemoryObject("fst.bin", bootbin.fstbin_offset(), bootbin.fstbin_len()),
|
||||
MemoryObject("boot.dol", bootbin.dol_offset(), dol_len)]
|
||||
MemoryObject("bi2.bin", 0x440, Bi2Bin.LEN),
|
||||
MemoryObject("apploader.img", Gcm.APPLOADER_OFFSET, self.__apploaderimg.len()),
|
||||
MemoryObject("fst.bin", self.__bootbin.fst_offset(), self.__bootbin.fst_len()),
|
||||
MemoryObject("boot.dol", self.__bootbin.dol_offset(), dol_len)]
|
||||
|
||||
dir_id_path = {0: Path(".")}
|
||||
currentdir_path = Path(".")
|
||||
|
||||
# root: id=0 so nextdir is the end
|
||||
nextdir = int.from_bytes(fstbin_data[8:12], "big", signed=False)
|
||||
nextdir = int.from_bytes(fstbin_data[8:12], "big")
|
||||
# offset of filenames block
|
||||
base_names = nextdir * 12
|
||||
# go to parent when id reach next dir
|
||||
|
|
@ -644,23 +1019,23 @@ class Gcm:
|
|||
|
||||
for id in range(1, base_names // 12):
|
||||
i = id * 12
|
||||
file_type = int.from_bytes(fstbin_data[i:i+1], "big", signed=False)
|
||||
name = fstbin_data[base_names + int.from_bytes(fstbin_data[i+1:i+4], "big", signed=False):].split(b"\x00")[0].decode("utf-8")
|
||||
file_type = int.from_bytes(fstbin_data[i:i+1], "big")
|
||||
name = fstbin_data[base_names + int.from_bytes(fstbin_data[i+1:i+4], "big"):].split(b"\x00")[0].decode("utf-8")
|
||||
|
||||
while id == nextdir_arr[-1]:
|
||||
currentdir_path = currentdir_path.parent
|
||||
nextdir_arr.pop()
|
||||
|
||||
if file_type == FstTree.TYPE_DIR:
|
||||
nextdir = int.from_bytes(fstbin_data[i+8:i+12], "big", signed=False)
|
||||
parentdir = int.from_bytes(fstbin_data[i+4:i+8], "big", signed=False)
|
||||
nextdir = int.from_bytes(fstbin_data[i+8:i+12], "big")
|
||||
parentdir = int.from_bytes(fstbin_data[i+4:i+8], "big")
|
||||
|
||||
nextdir_arr.append( nextdir )
|
||||
currentdir_path = dir_id_path[parentdir] / name
|
||||
dir_id_path[id] = currentdir_path
|
||||
else:
|
||||
fileoffset = int.from_bytes(fstbin_data[i+4:i+8], "big", signed=False)
|
||||
filesize = int.from_bytes(fstbin_data[i+8:i+12], "big", signed=False)
|
||||
fileoffset = int.from_bytes(fstbin_data[i+4:i+8], "big")
|
||||
filesize = int.from_bytes(fstbin_data[i+8:i+12], "big")
|
||||
mem_obj_list.append( MemoryObject(str(currentdir_path / name), fileoffset, filesize) )
|
||||
|
||||
mem_obj_list.sort(key=lambda x: x.beg_offset)
|
||||
|
|
@ -675,7 +1050,7 @@ class Gcm:
|
|||
elif last_aligned > mem_obj.beg_offset:
|
||||
collision_list += [last_mem_obj, mem_obj]
|
||||
last_mem_obj = mem_obj
|
||||
print(f"# Stats for \"{path}\":")
|
||||
|
||||
self.__print("Global memory mapping:", mem_obj_list)
|
||||
if empty_space_list:
|
||||
self.__print(f"Empty spaces (align={align}):", empty_space_list)
|
||||
|
|
@ -725,10 +1100,10 @@ def get_argparser():
|
|||
group = parser.add_mutually_exclusive_group(required=True)
|
||||
group.add_argument('-p', '--pack', action='store_true', help="-p source_folder (dest_file.iso): Pack source_folder in new file source_folder.iso or dest_file.iso if specified.")
|
||||
group.add_argument('-u', '--unpack', action='store_true', help="-u source_iso.iso (dest_folder): Unpack the GCM/ISO in new folder source_iso or dest_folder if specified.")
|
||||
group.add_argument('-s', '--stats', action='store_true', help="-s source_iso.iso or source_folder: Get stats about GCM, FST, memory, lengths and offsets.")
|
||||
group.add_argument('-r', '--rebuild-fst', action='store_true', help="-r game_folder: Rebuild the game_folder/sys/fst.bin using files in game_folder/root.")
|
||||
group.add_argument('-ur', '--unpack-rebuild-fst', action='store_true', help="-ur source_iso.iso (dest_folder): Unpack and rebuild the FST.")
|
||||
group.add_argument('-rp', '--rebuild-fst-pack', action='store_true', help="-rp source_folder (dest_file.iso): Rebuild the FST and pack.")
|
||||
group.add_argument('-s', '--stats', action='store_true', help="-s source_iso.iso or source_folder (-a 4): Get stats about GCM, FST, memory, lengths and offsets.")
|
||||
group.add_argument('-r', '--rebuild-fst', action='store_true', help="-r game_folder (-a 4): Rebuild the game_folder/sys/fst.bin using files in game_folder/root. For ADPCM (...) use 0x8000 align.")
|
||||
group.add_argument('-ur', '--unpack-rebuild-fst', action='store_true', help="-ur source_iso.iso (dest_folder) (-a 4): Unpack and rebuild the FST.")
|
||||
group.add_argument('-rp', '--rebuild-fst-pack', action='store_true', help="-rp source_folder (dest_file.iso) (-a 4): Rebuild the FST and pack.")
|
||||
return parser
|
||||
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user