diff options
Diffstat (limited to 'setuptools/sandbox.py')
| -rwxr-xr-x | setuptools/sandbox.py | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/setuptools/sandbox.py b/setuptools/sandbox.py index 7b487833..502598ca 100755 --- a/setuptools/sandbox.py +++ b/setuptools/sandbox.py @@ -152,6 +152,8 @@ class AbstractSandbox: ) +_EXCEPTIONS = [os.devnull,] + class DirectorySandbox(AbstractSandbox): """Restrict operations to a single subdirectory - pseudo-chroot""" @@ -160,9 +162,10 @@ class DirectorySandbox(AbstractSandbox): "utime", "lchown", "chroot", "mkfifo", "mknod", "tempnam", ]) - def __init__(self,sandbox): + def __init__(self, sandbox, exceptions=_EXCEPTIONS): self._sandbox = os.path.normcase(os.path.realpath(sandbox)) self._prefix = os.path.join(self._sandbox,'') + self._exceptions = exceptions AbstractSandbox.__init__(self) def _violation(self, operation, *args, **kw): @@ -187,7 +190,8 @@ class DirectorySandbox(AbstractSandbox): try: self._active = False realpath = os.path.normcase(os.path.realpath(path)) - if realpath==self._sandbox or realpath.startswith(self._prefix): + if (realpath in self._exceptions or realpath == self._sandbox + or realpath.startswith(self._prefix)): return True finally: self._active = active |