From c7785e591b473ba082b919db9e8d94a981bff040 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=2E=20David=20Ib=C3=A1=C3=B1ez?= <jdavid.ibp@gmail.com>
Date: Sat, 13 Apr 2013 12:00:18 +0200
Subject: [PATCH] py_str_to_git_oid: check length of raw oid (#205)

---
 src/oid.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/oid.c b/src/oid.c
index c073403..413d29c 100644
--- a/src/oid.c
+++ b/src/oid.c
@@ -45,6 +45,10 @@ py_str_to_git_oid(PyObject *py_str, git_oid *oid)
         err = PyBytes_AsStringAndSize(py_str, &hex_or_bin, &len);
         if (err)
             return -1;
+        if (len > GIT_OID_RAWSZ) {
+            PyErr_SetObject(PyExc_ValueError, py_str);
+            return -1;
+        }
         memcpy(oid->id, (const unsigned char*)hex_or_bin, len);
         return len * 2;
     }