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Bug #869197: setgroups rejects long integer argument

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This commit is contained in:
Georg Brandl 2005-11-22 19:30:31 +00:00
parent f96f5f5bbe
commit a13c2446dc
2 changed files with 33 additions and 6 deletions
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2
Misc/NEWS
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@ -181,6 +181,8 @@ Core and builtins
Extension Modules
-----------------
- Bug #869197: os.setgroups rejects long integer arguments
- Bug #1346533, select.poll() doesn't raise an error if timeout > sys.maxint
- Bug #1344508, Fix UNIX mmap leaking file descriptors

37
Modules/posixmodule.c
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@ -4912,13 +4912,38 @@ posix_setgroups(PyObject *self, PyObject *args)
if (!elem)
return NULL;
if (!PyInt_Check(elem)) {
PyErr_SetString(PyExc_TypeError,
"groups must be integers");
Py_DECREF(elem);
return NULL;
if (!PyLong_Check(elem)) {
PyErr_SetString(PyExc_TypeError,
"groups must be integers");
Py_DECREF(elem);
return NULL;
} else {
unsigned long x = PyLong_AsUnsignedLong(elem);
if (PyErr_Occurred()) {
PyErr_SetString(PyExc_TypeError,
"group id too big");
Py_DECREF(elem);
return NULL;
}
grouplist[i] = x;
/* read back the value to see if it fitted in gid_t */
if (grouplist[i] != x) {
PyErr_SetString(PyExc_TypeError,
"group id too big");
Py_DECREF(elem);
return NULL;
}
}
} else {
long x = PyInt_AsLong(elem);
grouplist[i] = x;
if (grouplist[i] != x) {
PyErr_SetString(PyExc_TypeError,
"group id too big");
Py_DECREF(elem);
return NULL;
}
}
/* XXX: check that value fits into gid_t. */
grouplist[i] = PyInt_AsLong(elem);
Py_DECREF(elem);
}