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Fix possible integer overflow in lchown and fchown functions. For issue1747858.

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This commit is contained in:
Gregory P. Smith 2009-12-23 09:31:11 +00:00
parent ca2dc4798b
commit 9f12d468f4
2 changed files with 52 additions and 28 deletions
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9
Modules/posixmodule.c
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@ -1910,9 +1910,10 @@ fd to the numeric uid and gid.");
static PyObject *
posix_fchown(PyObject *self, PyObject *args)
{
int fd, uid, gid;
int fd;
long uid, gid;
int res;
if (!PyArg_ParseTuple(args, "iii:chown", &fd, &uid, &gid))
if (!PyArg_ParseTuple(args, "ill:chown", &fd, &uid, &gid))
return NULL;
Py_BEGIN_ALLOW_THREADS
res = fchown(fd, (uid_t) uid, (gid_t) gid);
@ -1933,9 +1934,9 @@ static PyObject *
posix_lchown(PyObject *self, PyObject *args)
{
char *path = NULL;
int uid, gid;
long uid, gid;
int res;
if (!PyArg_ParseTuple(args, "etii:lchown",
if (!PyArg_ParseTuple(args, "etll:lchown",
Py_FileSystemDefaultEncoding, &path,
&uid, &gid))
return NULL;