C///

\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5�\D6?\BD�\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2� \00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4�\E9\F2�\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// import os, sys, tempfile, operator, pkg_resources if os.name == "java": import org.python.modules.posix.PosixModule as _os else: _os = sys.modules[os.name] try: _file = file except NameError: _file = None _open = open from distutils.errors import DistutilsError from pkg_resources import working_set from setuptools.compat import builtins, execfile, reduce __all__ = [ "AbstractSandbox", "DirectorySandbox", "SandboxViolation", "run_setup", ] def run_setup(setup_script, args): """Run a distutils setup script, sandboxed in its directory""" old_dir = os.getcwd() save_argv = sys.argv[:] save_path = sys.path[:] setup_dir = os.path.abspath(os.path.dirname(setup_script)) temp_dir = os.path.join(setup_dir,'temp') if not os.path.isdir(temp_dir): os.makedirs(temp_dir) save_tmp = tempfile.tempdir save_modules = sys.modules.copy() pr_state = pkg_resources.__getstate__() try: tempfile.tempdir = temp_dir os.chdir(setup_dir) try: sys.argv[:] = [setup_script]+list(args) sys.path.insert(0, setup_dir) # reset to include setup dir, w/clean callback list working_set.__init__() working_set.callbacks.append(lambda dist:dist.activate()) DirectorySandbox(setup_dir).run( lambda: execfile( "setup.py", {'__file__':setup_script, '__name__':'__main__'} ) ) except SystemExit: v = sys.exc_info()[1] if v.args and v.args[0]: raise # Normal exit, just return finally: pkg_resources.__setstate__(pr_state) sys.modules.update(save_modules) # remove any modules imported within the sandbox del_modules = [ mod_name for mod_name in sys.modules if mod_name not in save_modules # exclude any encodings modules. See #285 and not mod_name.startswith('encodings.') ] list(map(sys.modules.__delitem__, del_modules)) os.chdir(old_dir) sys.path[:] = save_path sys.argv[:] = save_argv tempfile.tempdir = save_tmp class AbstractSandbox: """Wrap 'os' module and 'open()' builtin for virtualizing setup scripts""" _active = False def __init__(self): self._attrs = [ name for name in dir(_os) if not name.startswith('_') and hasattr(self,name) ] def _copy(self, source): for name in self._attrs: setattr(os, name, getattr(source,name)) def run(self, func): """Run 'func' under os sandboxing""" try: self._copy(self) if _file: builtins.file = self._file builtins.open = self._open self._active = True return func() finally: self._active = False if _file: builtins.file = _file builtins.open = _open self._copy(_os) def _mk_dual_path_wrapper(name): original = getattr(_os,name) def wrap(self,src,dst,*args,**kw): if self._active: src,dst = self._remap_pair(name,src,dst,*args,**kw) return original(src,dst,*args,**kw) return wrap for name in ["rename", "link", "symlink"]: if hasattr(_os,name): locals()[name] = _mk_dual_path_wrapper(name) def _mk_single_path_wrapper(name, original=None): original = original or getattr(_os,name) def wrap(self,path,*args,**kw): if self._active: path = self._remap_input(name,path,*args,**kw) return original(path,*args,**kw) return wrap if _file: _file = _mk_single_path_wrapper('file', _file) _open = _mk_single_path_wrapper('open', _open) for name in [ "stat", "listdir", "chdir", "open", "chmod", "chown", "mkdir", "remove", "unlink", "rmdir", "utime", "lchown", "chroot", "lstat", "startfile", "mkfifo", "mknod", "pathconf", "access" ]: if hasattr(_os,name): locals()[name] = _mk_single_path_wrapper(name) def _mk_single_with_return(name): original = getattr(_os,name) def wrap(self,path,*args,**kw): if self._active: path = self._remap_input(name,path,*args,**kw) return self._remap_output(name, original(path,*args,**kw)) return original(path,*args,**kw) return wrap for name in ['readlink', 'tempnam']: if hasattr(_os,name): locals()[name] = _mk_single_with_return(name) def _mk_query(name): original = getattr(_os,name) def wrap(self,*args,**kw): retval = original(*args,**kw) if self._active: return self._remap_output(name, retval) return retval return wrap for name in ['getcwd', 'tmpnam']: if hasattr(_os,name): locals()[name] = _mk_query(name) def _validate_path(self,path): """Called to remap or validate any path, whether input or output""" return path def _remap_input(self,operation,path,*args,**kw): """Called for path inputs""" return self._validate_path(path) def _remap_output(self,operation,path): """Called for path outputs""" return self._validate_path(path) def _remap_pair(self,operation,src,dst,*args,**kw): """Called for path pairs like rename, link, and symlink operations""" return ( self._remap_input(operation+'-from',src,*args,**kw), self._remap_input(operation+'-to',dst,*args,**kw) ) if hasattr(os, 'devnull'): _EXCEPTIONS = [os.devnull,] else: _EXCEPTIONS = [] try: from win32com.client.gencache import GetGeneratePath _EXCEPTIONS.append(GetGeneratePath()) del GetGeneratePath except ImportError: # it appears pywin32 is not installed, so no need to exclude. pass class DirectorySandbox(AbstractSandbox): """Restrict operations to a single subdirectory - pseudo-chroot""" write_ops = dict.fromkeys([ "open", "chmod", "chown", "mkdir", "remove", "unlink", "rmdir", "utime", "lchown", "chroot", "mkfifo", "mknod", "tempnam", ]) def __init__(self, sandbox, exceptions=_EXCEPTIONS): self._sandbox = os.path.normcase(os.path.realpath(sandbox)) self._prefix = os.path.join(self._sandbox,'') self._exceptions = [os.path.normcase(os.path.realpath(path)) for path in exceptions] AbstractSandbox.__init__(self) def _violation(self, operation, *args, **kw): raise SandboxViolation(operation, args, kw) if _file: def _file(self, path, mode='r', *args, **kw): if mode not in ('r', 'rt', 'rb', 'rU', 'U') and not self._ok(path): self._violation("file", path, mode, *args, **kw) return _file(path,mode,*args,**kw) def _open(self, path, mode='r', *args, **kw): if mode not in ('r', 'rt', 'rb', 'rU', 'U') and not self._ok(path): self._violation("open", path, mode, *args, **kw) return _open(path,mode,*args,**kw) def tmpnam(self): self._violation("tmpnam") def _ok(self,path): active = self._active try: self._active = False realpath = os.path.normcase(os.path.realpath(path)) if (self._exempted(realpath) or realpath == self._sandbox or realpath.startswith(self._prefix)): return True finally: self._active = a