commit 0d3fe8ae4961bf551e7d5e42559e2ede1a08fd7c
author Antonio Gutierrez <chibby0ne@gmail.com> Tue Oct 08 06:22:17 2019 +0200
committer Benjamin Peterson <benjamin@python.org> Mon Oct 07 21:22:17 2019 -0700
tree 8ddcbaae6fdebf3694b166b58995aa849b812f3d
parent 4d5f94b8cd20f804c7868c5395a15aa6032f874c

closes bpo-38402: Check error of primitive crypt/crypt_r. (GH-16599)

Checks also for encryption algorithms methods not supported in different
OSs.

Signed-off-by: Antonio Gutierrez <chibby0ne@gmail.com>

Modules/_cryptmodule.c

diff --git a/Modules/_cryptmodule.c b/Modules/_cryptmodule.c
index 5d03f45..00c1f4f 100644
--- a/Modules/_cryptmodule.c
+++ b/Modules/_cryptmodule.c
@@ -42,6 +42,9 @@
 #else
     crypt_result = crypt(word, salt);
 #endif
+    if (crypt_result == NULL) {
+        return PyErr_SetFromErrno(PyExc_OSError);
+    }
     return Py_BuildValue("s", crypt_result);
 }