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socketmodule.c: error if option larger than INT_MAX 

On Windows, socket.setsockopt() raises an OverflowError if the socket option is
larger than INT_MAX bytes.
This commit is contained in:
Victor Stinner 2016-03-23 21:35:29 +01:00
parent 0069aef51a
commit cc73932125
1 changed files with 16 additions and 3 deletions
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19
Modules/socketmodule.c
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@ -2458,13 +2458,26 @@ sock_setsockopt(PySocketSockObject *s, PyObject *args)
if (!PyArg_ParseTuple(args, "iiy*:setsockopt",
&level, &optname, &optval))
return NULL;
#ifdef MS_WINDOWS
if (optval.len > INT_MAX) {
PyBuffer_Release(&optval);
PyErr_Format(PyExc_OverflowError,
"socket option is larger than %i bytes",
INT_MAX);
return NULL;
}
res = setsockopt(s->sock_fd, level, optname,
optval.buf, (int)optval.len);
#else
res = setsockopt(s->sock_fd, level, optname, optval.buf, optval.len);
#endif
PyBuffer_Release(&optval);
}
if (res < 0)
if (res < 0) {
return s->errorhandler();
Py_INCREF(Py_None);
return Py_None;
}
Py_RETURN_NONE;
}
PyDoc_STRVAR(setsockopt_doc,