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import sys
from cffi import FFI
from _openbsd import lib as _lib
__all__ = ["pledge", "unveil"]
_ffi = FFI()
def pledge(promises=None, execpromises=None):
promises = _ffi.NULL if promises is None else _encode(promises)
execpromises = _ffi.NULL if execpromises is None else _encode(execpromises)
ret = _lib.pledge(promises, execpromises)
if ret < 0:
errno = _ffi.errno
raise OSError(errno, _decode(_ffi.string(_lib.strerror(errno), 256)))
def unveil(path=None, permissions=None):
path = _ffi.NULL if path is None else _encode(path)
permissions = _ffi.NULL if permissions is None else _encode(permissions)
ret = _lib.unveil(path, permissions)
if ret < 0:
errno = _ffi.errno
raise OSError(errno, _decode(_ffi.string(_lib.strerror(errno), 256)))
if isinstance(b"openbsd", str):
# Python 2
def _encode(text):
if isinstance(text, unicode):
return text.encode("ascii")
return text
def _decode(text):
return text
else:
# Python 3
def _encode(text):
if isinstance(text, str):
return text.encode("ascii")
return text
def _decode(text):
return text.decode("ascii")
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