UnknownSec Bypass 403

: /proc/thread-self/root/usr/share/dh-python/dhpython/ [ drwxr-xr-x ]
name : fs.py # Copyright © 2013 Piotr Ożarowski <piotr@debian.org> # # Permission is hereby granted, free of charge, to any person obtaining a copy # of this software and associated documentation files (the "Software"), to deal # in the Software without restriction, including without limitation the rights # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell # copies of the Software, and to permit persons to whom the Software is # furnished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included in # all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN # THE SOFTWARE. import logging import os import re from filecmp import cmp as cmpfile from os.path import exists, dirname, isdir, islink, join, split, splitext from shutil import rmtree from stat import ST_MODE, S_IXUSR, S_IXGRP, S_IXOTH from dhpython import MULTIARCH_DIR_TPL from dhpython.tools import fix_shebang, clean_egg_name from dhpython.interpreter import Interpreter log = logging.getLogger('dhpython') def fix_locations(package, interpreter, versions, options): """Move files to the right location.""" # make a copy since we change version later interpreter = Interpreter(interpreter) for version in versions: interpreter.version = version dstdir = interpreter.sitedir(package) for srcdir in interpreter.old_sitedirs(package): if isdir(srcdir): # TODO: what about relative symlinks? log.debug('moving files from %s to %s', srcdir, dstdir) share_files(srcdir, dstdir, interpreter, options) parent_dir = '/'.join(srcdir.split('/')[:-1]) while parent_dir: if exists(parent_dir): if os.listdir(parent_dir): break os.rmdir(parent_dir) parent_dir = dirname(parent_dir) # do the same with debug locations dstdir = interpreter.sitedir(package, gdb=True) for srcdir in interpreter.old_sitedirs(package, gdb=True): if isdir(srcdir): log.debug('moving files from %s to %s', srcdir, dstdir) share_files(srcdir, dstdir, interpreter, options) parent_dir = '/'.join(srcdir.split('/')[:-1]) while parent_dir: if exists(parent_dir): if os.listdir(parent_dir): break os.rmdir(parent_dir) parent_dir = dirname(parent_dir) def share_files(srcdir, dstdir, interpreter, options): """Try to move as many files from srcdir to dstdir as possible.""" for i in os.listdir(srcdir): fpath1 = join(srcdir, i) if not options.no_ext_rename and splitext(i)[-1] == '.so': # try to rename extension here as well (in :meth:`scan` info about # Python version is gone) version = interpreter.parse_public_dir(srcdir) # if version is True it means it's unversioned dist-packages dir if version and version is not True: # note that if ver is empty, default Python version will be used fpath1_orig = fpath1 new_name = interpreter.check_extname(i, version) if new_name: fpath1 = join(srcdir, new_name) if exists(fpath1): log.warn('destination file exist, ' 'cannot rename %s to %s', fpath1_orig, fpath1) else: log.info('renaming %s to %s', fpath1_orig, fpath1) os.renames(fpath1_orig, fpath1) i = new_name fpath2 = join(dstdir, i) if not isdir(fpath1) and not exists(fpath2): # do not rename directories here - all .so files have to be renamed first os.renames(fpath1, fpath2) continue if isdir(fpath1): share_files(fpath1, fpath2, interpreter, options) elif cmpfile(fpath1, fpath2, shallow=False): os.remove(fpath1) # XXX: check symlinks if exists(srcdir) and not os.listdir(srcdir): os.rmdir(srcdir) class Scan: UNWANTED_DIRS = re.compile(r'.*/__pycache__(/.*)?$') UNWANTED_FILES = re.compile(r'.*\.py[co]$') def __init__(self, interpreter, package, dpath=None, options=None): self.interpreter = interpreter self.impl = interpreter.impl self.package = package if not dpath: self.proot = "debian/%s" % self.package else: dpath = dpath.strip('/') self.proot = join('debian', self.package, dpath) self.dpath = dpath del dpath self.options = options self.result = {'requires.txt': set(), 'egg-info': set(), 'nsp.txt': set(), 'shebangs': set(), 'public_vers': set(), 'private_dirs': {}, 'compile': False, 'ext_vers': set(), 'ext_no_version': set()} for root, dirs, file_names in os.walk(self.proot): if interpreter.should_ignore(root): del dirs[:] continue self.current_private_dir = self.current_pub_version = None version = interpreter.parse_public_dir(root) if version: self.current_dir_is_public = True if version is True: version = None else: self.current_pub_version = version else: self.current_dir_is_public = False if self.current_dir_is_public: if root.endswith('-packages'): if version is not None: self.result['public_vers'].add(version) for name in ('test', 'tests'): if name in dirs: log.debug('removing dist-packages/%s (too common name)', name) rmtree(join(root, name)) dirs.remove(name) else: self.current_private_dir = self.check_private_dir(root) if not self.current_private_dir: # i.e. not a public dir and not a private dir is_bin_dir = self.is_bin_dir(root) if is_bin_dir: self.handle_bin_dir(root, file_names) else: # not a public, private or bin directory # continue with a subdirectory continue for name in dirs: dpath = join(root, name) if self.is_unwanted_dir(dpath): rmtree(dpath) dirs.remove(name) continue if self.is_egg_dir(root): self.handle_egg_dir(root, file_names) continue # check files for fn in sorted(file_names): # sorted() to make sure .so files are handled before .so.foo fpath = join(root, fn) if self.is_unwanted_file(fpath): log.debug('removing unwanted: %s', fpath) os.remove(fpath) continue if self.is_egg_file(fpath): self.handle_egg_file(fpath) continue if not exists(fpath): # possibly removed while handling .so symlinks if islink(fpath) and '.so.' in split(fpath)[-1]: # dangling symlink to (now removed/renamed) .so file # which wasn't removed yet (see test203's quux.so.0) log.info('removing dangling symlink: %s', fpath) os.remove(fpath) continue fext = splitext(fn)[-1][1:] if fext == 'so': if not self.options.no_ext_rename: fpath = self.rename_ext(fpath) ver = self.handle_ext(fpath) ver = ver or version if ver: self.current_result.setdefault('ext_vers', set()).add(ver) else: self.current_result.setdefault('ext_no_version', set()).add(fpath) if self.current_private_dir: if exists(fpath) and fext != 'so': mode = os.stat(fpath)[ST_MODE] if mode & S_IXUSR or mode & S_IXGRP or mode & S_IXOTH: if (options.no_shebang_rewrite or fix_shebang(fpath, self.options.shebang)) and \ not self.options.ignore_shebangs: try: res = Interpreter.from_file(fpath) except Exception as e: log.debug('cannot parse shebang %s: %s', fpath, e) else: self.current_result.setdefault('shebangs', set()).add(res) if fext == 'py' and self.handle_public_module(fpath) is not False: self.current_result['compile'] = True if not dirs: # try to remove directory if it's empty (and its parent if it's empty afterwards) while root: try: os.rmdir(root) log.debug('removing empty directory: %s', root) except Exception: break root = root.rsplit('/', 1)[0] if not root.startswith(self.proot): break log.debug("package %s details = %s", package, self.result) @property def current_result(self): if self.current_private_dir: return self.result['private_dirs'].setdefault(self.current_private_dir, {}) return self.result def is_unwanted_dir(self, dpath): return self.__class__.UNWANTED_DIRS.match(dpath) def is_unwanted_file(self, fpath): if self.__class__.UNWANTED_FILES.match(fpath): return True if self.current_dir_is_public and self.is_dbg_package\ and self.options.clean_dbg_pkg\ and splitext(fpath)[-1][1:] not in ('so', 'h'): return True @property def private_dirs_to_check(self): if self.dpath: # scan private directory *only* return [self.dpath] if self.dpath is False: result = [] else: result = [i % self.package for i in ( 'usr/lib/%s', 'usr/lib/games/%s', 'usr/share/%s', 'usr/share/games/%s')] return result @property def is_dbg_package(self): #return self.interpreter.debug return self.package.endswith('-dbg') def check_private_dir(self, dpath): """Return private dir's root if it's a private dir.""" for i in self.private_dirs_to_check: if dpath.startswith(join('debian', self.package, i)): return '/' + i def rename_ext(self, fpath): """Add multiarch triplet, etc. Return new name. This method is invoked for all .so files in public or private directories. """ path, fname = fpath.rsplit('/', 1) if self.current_dir_is_public and islink(fpath): # replace symlinks with extensions in dist-packages directory dstfpath = fpath links = set() while islink(dstfpath): links.add(dstfpath) dstfpath = join(path, os.readlink(dstfpath)) if exists(dstfpath) and '.so.' in split(dstfpath)[-1]: # rename .so.$FOO symlinks, remove other ones for lpath in links: log.info('removing symlink: %s', lpath) os.remove(lpath) log.info('renaming %s to %s', dstfpath, fname) os.rename(dstfpath, fpath) if MULTIARCH_DIR_TPL.match(fpath): # ignore /lib/i386-linux-gnu/, /usr/lib/x86_64-kfreebsd-gnu/, etc. return fpath new_fn = self.interpreter.check_extname(fname, self.current_pub_version) if new_fn: # TODO: what about symlinks pointing to this file new_fpath = join(path, new_fn) if exists(new_fpath): log.warn('destination file exist, ' 'cannot rename %s to %s', fname, new_fn) else: log.info('renaming %s to %s', fname, new_fn) os.rename(fpath, new_fpath) return new_fpath return fpath def handle_ext(self, fpath): """Handle .so file, return its version if detected.""" def handle_public_module(self, fpath): pass def is_bin_dir(self, dpath): """Check if dir is one from PATH ones.""" # dname = debian/packagename/usr/games spath = dpath.strip('/').split('/', 4) if len(spath) > 4: return False # assume bin directories don't have subdirectories if dpath.endswith(('/sbin', '/bin', '/usr/games')): # /(s)bin or /usr/(s)bin or /usr/games return True def handle_bin_dir(self, dpath, file_names): if self.options.no_shebang_rewrite or self.options.ignore_shebangs: return for fn in file_names: fpath = join(dpath, fn) if fix_shebang(fpath, self.options.shebang): try: res = Interpreter.from_file(fpath) except Exception as e: log.debug('cannot parse shebang %s: %s', fpath, e) else: self.result['shebangs'].add(res) def is_egg_dir(self, dname): """Check if given directory contains egg-info.""" return dname.endswith('.egg-info') def handle_egg_dir(self, dpath, file_names): path, dname = dpath.rsplit('/', 1) if self.is_dbg_package and self.options.clean_dbg_pkg: rmtree(dpath) return clean_name = clean_egg_name(dname) if clean_name != dname: if exists(join(path, clean_name)): log.info('removing %s (%s is already available)', dname, clean_name) rmtree(dpath) return else: log.info('renaming %s to %s', dname, clean_name) os.rename(dpath, join(path, clean_name)) dname = clean_name dpath = join(path, dname) if file_names: if 'requires.txt' in file_names: self.result['requires.txt'].add(join(dpath, 'requires.txt')) if 'namespace_packages.txt' in file_names: self.result['nsp.txt'].add(join(dpath, 'namespace_packages.txt')) if 'SOURCES.txt' in file_names: os.remove(join(dpath, 'SOURCES.txt')) file_names.remove('SOURCES.txt') def is_egg_file(self, fpath): """Check if given file contains egg-info.""" return fpath.endswith('.egg-info') def handle_egg_file(self, fpath): root, name = fpath.rsplit('/', 1) clean_name = clean_egg_name(name) if clean_name != name: if exists(join(root, clean_name)): log.info('removing %s (%s is already available)', name, clean_name) os.remove(fpath) else: log.info('renaming %s to %s', name, clean_name) os.rename(fpath, join(root, clean_name)) self.result['egg-info'].add(join(root, clean_name)) def cleanup(self): if self.is_dbg_package and self.options.clean_dbg_pkg: # remove empty directories in -dbg packages proot = self.proot + '/usr/lib' for root, dirs, file_names in os.walk(proot, topdown=False): if '-packages/' in root and not file_names: try: os.rmdir(root) except Exception: pass