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Fixes issue #7999: os.setreuid() and os.setregid() would refuse to accept

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a -1 parameter on some platforms such as OS X.
This commit is contained in:
Gregory P. Smith 2010-03-01 05:43:43 +00:00
parent 3c699d334a
commit 6a65f85e79
3 changed files with 25 additions and 6 deletions
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26
Modules/posixmodule.c
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@ -5650,9 +5650,16 @@ posix_setreuid (PyObject *self, PyObject *args)
uid_t ruid, euid;
if (!PyArg_ParseTuple(args, "ll", &ruid_arg, &euid_arg))
return NULL;
ruid = ruid_arg;
euid = euid_arg;
if (euid != euid_arg || ruid != ruid_arg) {
if (ruid_arg == -1)
ruid = (uid_t)-1; /* let the compiler choose how -1 fits */
else
ruid = ruid_arg; /* otherwise, assign from our long */
if (euid_arg == -1)
euid = (uid_t)-1;
else
euid = euid_arg;
if ((euid_arg != -1 && euid != euid_arg) ||
(ruid_arg != -1 && ruid != ruid_arg)) {
PyErr_SetString(PyExc_OverflowError, "user id too big");
return NULL;
}
@ -5677,9 +5684,16 @@ posix_setregid (PyObject *self, PyObject *args)
gid_t rgid, egid;
if (!PyArg_ParseTuple(args, "ll", &rgid_arg, &egid_arg))
return NULL;
rgid = rgid_arg;
egid = egid_arg;
if (egid != egid_arg || rgid != rgid_arg) {
if (rgid_arg == -1)
rgid = (gid_t)-1; /* let the compiler choose how -1 fits */
else
rgid = rgid_arg; /* otherwise, assign from our long */
if (egid_arg == -1)
egid = (gid_t)-1;
else
egid = egid_arg;
if ((egid_arg != -1 && egid != egid_arg) ||
(rgid_arg != -1 && rgid != rgid_arg)) {
PyErr_SetString(PyExc_OverflowError, "group id too big");
return NULL;
}