diff options
| author | Xusheng <xusheng@vector35.com> | 2021-07-01 12:34:30 +0800 |
|---|---|---|
| committer | Xusheng Li <xushengli@protonmail.com> | 2021-07-05 10:11:47 +0800 |
| commit | 13ff200ba134b8704f37eca99c42b70dab0d17dc (patch) | |
| tree | 876b3db3c53f704b31152aeaede1f2edc9d27b24 /python/examples/kaitai/cramfs.py | |
| parent | 4039a800349dcd587833d3e27d9137e4649818f4 (diff) | |
Remove snippet and kaitai plugin. Note their individual links.
Diffstat (limited to 'python/examples/kaitai/cramfs.py')
| -rw-r--r-- | python/examples/kaitai/cramfs.py | 339 |
1 files changed, 0 insertions, 339 deletions
diff --git a/python/examples/kaitai/cramfs.py b/python/examples/kaitai/cramfs.py deleted file mode 100644 index 782cb9af..00000000 --- a/python/examples/kaitai/cramfs.py +++ /dev/null @@ -1,339 +0,0 @@ -# This is a generated file! Please edit source .ksy file and use kaitai-struct-compiler to rebuild - -from pkg_resources import parse_version -from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO -import collections -from enum import Enum - - -if parse_version(ks_version) < parse_version('0.7'): - raise Exception("Incompatible Kaitai Struct Python API: 0.7 or later is required, but you have %s" % (ks_version)) - -class Cramfs(KaitaiStruct): - SEQ_FIELDS = ["super_block"] - def __init__(self, _io, _parent=None, _root=None): - self._io = _io - self._parent = _parent - self._root = _root if _root else self - self._debug = collections.defaultdict(dict) - - def _read(self): - self._debug['super_block']['start'] = self._io.pos() - self.super_block = self._root.SuperBlockStruct(self._io, self, self._root) - self.super_block._read() - self._debug['super_block']['end'] = self._io.pos() - - class SuperBlockStruct(KaitaiStruct): - SEQ_FIELDS = ["magic", "size", "flags", "future", "signature", "fsid", "name", "root"] - def __init__(self, _io, _parent=None, _root=None): - self._io = _io - self._parent = _parent - self._root = _root if _root else self - self._debug = collections.defaultdict(dict) - - def _read(self): - self._debug['magic']['start'] = self._io.pos() - self.magic = self._io.ensure_fixed_contents(b"\x45\x3D\xCD\x28") - self._debug['magic']['end'] = self._io.pos() - self._debug['size']['start'] = self._io.pos() - self.size = self._io.read_u4le() - self._debug['size']['end'] = self._io.pos() - self._debug['flags']['start'] = self._io.pos() - self.flags = self._io.read_u4le() - self._debug['flags']['end'] = self._io.pos() - self._debug['future']['start'] = self._io.pos() - self.future = self._io.read_u4le() - self._debug['future']['end'] = self._io.pos() - self._debug['signature']['start'] = self._io.pos() - self.signature = self._io.ensure_fixed_contents(b"\x43\x6F\x6D\x70\x72\x65\x73\x73\x65\x64\x20\x52\x4F\x4D\x46\x53") - self._debug['signature']['end'] = self._io.pos() - self._debug['fsid']['start'] = self._io.pos() - self.fsid = self._root.Info(self._io, self, self._root) - self.fsid._read() - self._debug['fsid']['end'] = self._io.pos() - self._debug['name']['start'] = self._io.pos() - self.name = (self._io.read_bytes(16)).decode(u"ASCII") - self._debug['name']['end'] = self._io.pos() - self._debug['root']['start'] = self._io.pos() - self.root = self._root.Inode(self._io, self, self._root) - self.root._read() - self._debug['root']['end'] = self._io.pos() - - @property - def flag_fsid_v2(self): - if hasattr(self, '_m_flag_fsid_v2'): - return self._m_flag_fsid_v2 if hasattr(self, '_m_flag_fsid_v2') else None - - self._m_flag_fsid_v2 = ((self.flags >> 0) & 1) - return self._m_flag_fsid_v2 if hasattr(self, '_m_flag_fsid_v2') else None - - @property - def flag_holes(self): - if hasattr(self, '_m_flag_holes'): - return self._m_flag_holes if hasattr(self, '_m_flag_holes') else None - - self._m_flag_holes = ((self.flags >> 8) & 1) - return self._m_flag_holes if hasattr(self, '_m_flag_holes') else None - - @property - def flag_wrong_signature(self): - if hasattr(self, '_m_flag_wrong_signature'): - return self._m_flag_wrong_signature if hasattr(self, '_m_flag_wrong_signature') else None - - self._m_flag_wrong_signature = ((self.flags >> 9) & 1) - return self._m_flag_wrong_signature if hasattr(self, '_m_flag_wrong_signature') else None - - @property - def flag_sorted_dirs(self): - if hasattr(self, '_m_flag_sorted_dirs'): - return self._m_flag_sorted_dirs if hasattr(self, '_m_flag_sorted_dirs') else None - - self._m_flag_sorted_dirs = ((self.flags >> 1) & 1) - return self._m_flag_sorted_dirs if hasattr(self, '_m_flag_sorted_dirs') else None - - @property - def flag_shifted_root_offset(self): - if hasattr(self, '_m_flag_shifted_root_offset'): - return self._m_flag_shifted_root_offset if hasattr(self, '_m_flag_shifted_root_offset') else None - - self._m_flag_shifted_root_offset = ((self.flags >> 10) & 1) - return self._m_flag_shifted_root_offset if hasattr(self, '_m_flag_shifted_root_offset') else None - - - class ChunkedDataInode(KaitaiStruct): - SEQ_FIELDS = ["block_end_index", "raw_blocks"] - def __init__(self, _io, _parent=None, _root=None): - self._io = _io - self._parent = _parent - self._root = _root if _root else self - self._debug = collections.defaultdict(dict) - - def _read(self): - self._debug['block_end_index']['start'] = self._io.pos() - self.block_end_index = [None] * (((self._parent.size + self._root.page_size) - 1) // self._root.page_size) - for i in range(((self._parent.size + self._root.page_size) - 1) // self._root.page_size): - if not 'arr' in self._debug['block_end_index']: - self._debug['block_end_index']['arr'] = [] - self._debug['block_end_index']['arr'].append({'start': self._io.pos()}) - self.block_end_index[i] = self._io.read_u4le() - self._debug['block_end_index']['arr'][i]['end'] = self._io.pos() - - self._debug['block_end_index']['end'] = self._io.pos() - self._debug['raw_blocks']['start'] = self._io.pos() - self.raw_blocks = self._io.read_bytes_full() - self._debug['raw_blocks']['end'] = self._io.pos() - - - class Inode(KaitaiStruct): - - class FileType(Enum): - fifo = 1 - chrdev = 2 - dir = 4 - blkdev = 6 - reg_file = 8 - symlink = 10 - socket = 12 - SEQ_FIELDS = ["mode", "uid", "size_gid", "namelen_offset", "name"] - def __init__(self, _io, _parent=None, _root=None): - self._io = _io - self._parent = _parent - self._root = _root if _root else self - self._debug = collections.defaultdict(dict) - - def _read(self): - self._debug['mode']['start'] = self._io.pos() - self.mode = self._io.read_u2le() - self._debug['mode']['end'] = self._io.pos() - self._debug['uid']['start'] = self._io.pos() - self.uid = self._io.read_u2le() - self._debug['uid']['end'] = self._io.pos() - self._debug['size_gid']['start'] = self._io.pos() - self.size_gid = self._io.read_u4le() - self._debug['size_gid']['end'] = self._io.pos() - self._debug['namelen_offset']['start'] = self._io.pos() - self.namelen_offset = self._io.read_u4le() - self._debug['namelen_offset']['end'] = self._io.pos() - self._debug['name']['start'] = self._io.pos() - self.name = (self._io.read_bytes(self.namelen)).decode(u"utf-8") - self._debug['name']['end'] = self._io.pos() - - @property - def attr(self): - if hasattr(self, '_m_attr'): - return self._m_attr if hasattr(self, '_m_attr') else None - - self._m_attr = ((self.mode >> 9) & 7) - return self._m_attr if hasattr(self, '_m_attr') else None - - @property - def as_reg_file(self): - if hasattr(self, '_m_as_reg_file'): - return self._m_as_reg_file if hasattr(self, '_m_as_reg_file') else None - - io = self._root._io - _pos = io.pos() - io.seek(self.offset) - self._debug['_m_as_reg_file']['start'] = io.pos() - self._m_as_reg_file = self._root.ChunkedDataInode(io, self, self._root) - self._m_as_reg_file._read() - self._debug['_m_as_reg_file']['end'] = io.pos() - io.seek(_pos) - return self._m_as_reg_file if hasattr(self, '_m_as_reg_file') else None - - @property - def perm_u(self): - if hasattr(self, '_m_perm_u'): - return self._m_perm_u if hasattr(self, '_m_perm_u') else None - - self._m_perm_u = ((self.mode >> 6) & 7) - return self._m_perm_u if hasattr(self, '_m_perm_u') else None - - @property - def as_symlink(self): - if hasattr(self, '_m_as_symlink'): - return self._m_as_symlink if hasattr(self, '_m_as_symlink') else None - - io = self._root._io - _pos = io.pos() - io.seek(self.offset) - self._debug['_m_as_symlink']['start'] = io.pos() - self._m_as_symlink = self._root.ChunkedDataInode(io, self, self._root) - self._m_as_symlink._read() - self._debug['_m_as_symlink']['end'] = io.pos() - io.seek(_pos) - return self._m_as_symlink if hasattr(self, '_m_as_symlink') else None - - @property - def perm_o(self): - if hasattr(self, '_m_perm_o'): - return self._m_perm_o if hasattr(self, '_m_perm_o') else None - - self._m_perm_o = (self.mode & 7) - return self._m_perm_o if hasattr(self, '_m_perm_o') else None - - @property - def size(self): - if hasattr(self, '_m_size'): - return self._m_size if hasattr(self, '_m_size') else None - - self._m_size = (self.size_gid & 16777215) - return self._m_size if hasattr(self, '_m_size') else None - - @property - def gid(self): - if hasattr(self, '_m_gid'): - return self._m_gid if hasattr(self, '_m_gid') else None - - self._m_gid = (self.size_gid >> 24) - return self._m_gid if hasattr(self, '_m_gid') else None - - @property - def perm_g(self): - if hasattr(self, '_m_perm_g'): - return self._m_perm_g if hasattr(self, '_m_perm_g') else None - - self._m_perm_g = ((self.mode >> 3) & 7) - return self._m_perm_g if hasattr(self, '_m_perm_g') else None - - @property - def namelen(self): - if hasattr(self, '_m_namelen'): - return self._m_namelen if hasattr(self, '_m_namelen') else None - - self._m_namelen = ((self.namelen_offset & 63) << 2) - return self._m_namelen if hasattr(self, '_m_namelen') else None - - @property - def as_dir(self): - if hasattr(self, '_m_as_dir'): - return self._m_as_dir if hasattr(self, '_m_as_dir') else None - - io = self._root._io - _pos = io.pos() - io.seek(self.offset) - self._debug['_m_as_dir']['start'] = io.pos() - self._raw__m_as_dir = io.read_bytes(self.size) - io = KaitaiStream(BytesIO(self._raw__m_as_dir)) - self._m_as_dir = self._root.DirInode(io, self, self._root) - self._m_as_dir._read() - self._debug['_m_as_dir']['end'] = io.pos() - io.seek(_pos) - return self._m_as_dir if hasattr(self, '_m_as_dir') else None - - @property - def type(self): - if hasattr(self, '_m_type'): - return self._m_type if hasattr(self, '_m_type') else None - - self._m_type = KaitaiStream.resolve_enum(self._root.Inode.FileType, ((self.mode >> 12) & 15)) - return self._m_type if hasattr(self, '_m_type') else None - - @property - def offset(self): - if hasattr(self, '_m_offset'): - return self._m_offset if hasattr(self, '_m_offset') else None - - self._m_offset = (((self.namelen_offset >> 6) & 67108863) << 2) - return self._m_offset if hasattr(self, '_m_offset') else None - - - class DirInode(KaitaiStruct): - SEQ_FIELDS = ["children"] - def __init__(self, _io, _parent=None, _root=None): - self._io = _io - self._parent = _parent - self._root = _root if _root else self - self._debug = collections.defaultdict(dict) - - def _read(self): - if self._io.size() > 0: - self._debug['children']['start'] = self._io.pos() - self.children = [] - i = 0 - while not self._io.is_eof(): - if not 'arr' in self._debug['children']: - self._debug['children']['arr'] = [] - self._debug['children']['arr'].append({'start': self._io.pos()}) - _t_children = self._root.Inode(self._io, self, self._root) - _t_children._read() - self.children.append(_t_children) - self._debug['children']['arr'][len(self.children) - 1]['end'] = self._io.pos() - i += 1 - - self._debug['children']['end'] = self._io.pos() - - - - class Info(KaitaiStruct): - SEQ_FIELDS = ["crc", "edition", "blocks", "files"] - def __init__(self, _io, _parent=None, _root=None): - self._io = _io - self._parent = _parent - self._root = _root if _root else self - self._debug = collections.defaultdict(dict) - - def _read(self): - self._debug['crc']['start'] = self._io.pos() - self.crc = self._io.read_u4le() - self._debug['crc']['end'] = self._io.pos() - self._debug['edition']['start'] = self._io.pos() - self.edition = self._io.read_u4le() - self._debug['edition']['end'] = self._io.pos() - self._debug['blocks']['start'] = self._io.pos() - self.blocks = self._io.read_u4le() - self._debug['blocks']['end'] = self._io.pos() - self._debug['files']['start'] = self._io.pos() - self.files = self._io.read_u4le() - self._debug['files']['end'] = self._io.pos() - - - @property - def page_size(self): - if hasattr(self, '_m_page_size'): - return self._m_page_size if hasattr(self, '_m_page_size') else None - - self._m_page_size = 4096 - return self._m_page_size if hasattr(self, '_m_page_size') else None - - |
