shell bypass 403
import os
def _build_path(name):
return os.path.join(os.sep, "proc", "sys", *name.split("."))
def read(name):
with open(_build_path(name)) as f:
data = f.read().strip()
if data.isdigit:
return int(data)
else:
return data
def write(name, value):
with open(_build_path(name), "w") as f:
f.write(str(value))