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From c1f4979e7019f6c1ce9e5a02c2e3f8ca146645bc Mon Sep 17 00:00:00 2001
From: Charalampos Stratakis <cstratak@redhat.com>
Date: Mon, 11 Jul 2016 14:20:01 +0200
Subject: [PATCH] Allow the keyfile argument of SSLContext.load_cert_chain to
be set to None
---
Modules/_ssl.c | 30 +++++++++++++++++++++++-------
1 file changed, 23 insertions(+), 7 deletions(-)
diff --git a/Modules/_ssl.c b/Modules/_ssl.c
index 38eba1d..1786afd 100644
--- a/Modules/_ssl.c
+++ b/Modules/_ssl.c
@@ -2445,8 +2445,8 @@ static PyObject *
load_cert_chain(PySSLContext *self, PyObject *args, PyObject *kwds)
{
char *kwlist[] = {"certfile", "keyfile", "password", NULL};
- PyObject *password = NULL;
- char *certfile_bytes = NULL, *keyfile_bytes = NULL;
+ PyObject *keyfile = NULL, *keyfile_bytes = NULL, *password = NULL;
+ char *certfile_bytes = NULL;
pem_password_cb *orig_passwd_cb = self->ctx->default_passwd_callback;
void *orig_passwd_userdata = self->ctx->default_passwd_callback_userdata;
_PySSLPasswordInfo pw_info = { NULL, NULL, NULL, 0, 0 };
@@ -2455,11 +2455,27 @@ load_cert_chain(PySSLContext *self, PyObject *args, PyObject *kwds)
errno = 0;
ERR_clear_error();
if (!PyArg_ParseTupleAndKeywords(args, kwds,
- "et|etO:load_cert_chain", kwlist,
+ "et|OO:load_cert_chain", kwlist,
Py_FileSystemDefaultEncoding, &certfile_bytes,
- Py_FileSystemDefaultEncoding, &keyfile_bytes,
- &password))
+ &keyfile, &password))
return NULL;
+
+ if (keyfile && keyfile != Py_None) {
+ if (PyString_Check(keyfile)) {
+ Py_INCREF(keyfile);
+ keyfile_bytes = keyfile;
+ } else {
+ PyObject *u = PyUnicode_FromObject(keyfile);
+ if (!u)
+ goto error;
+ keyfile_bytes = PyUnicode_AsEncodedString(
+ u, Py_FileSystemDefaultEncoding, NULL);
+ Py_DECREF(u);
+ if (!keyfile_bytes)
+ goto error;
+ }
+ }
+
if (password && password != Py_None) {
if (PyCallable_Check(password)) {
pw_info.callable = password;
@@ -2489,7 +2505,7 @@ load_cert_chain(PySSLContext *self, PyObject *args, PyObject *kwds)
}
PySSL_BEGIN_ALLOW_THREADS_S(pw_info.thread_state);
r = SSL_CTX_use_PrivateKey_file(self->ctx,
- keyfile_bytes ? keyfile_bytes : certfile_bytes,
+ keyfile_bytes ? PyBytes_AS_STRING(keyfile_bytes) : certfile_bytes,
SSL_FILETYPE_PEM);
PySSL_END_ALLOW_THREADS_S(pw_info.thread_state);
if (r != 1) {
@@ -2521,8 +2537,8 @@ load_cert_chain(PySSLContext *self, PyObject *args, PyObject *kwds)
error:
SSL_CTX_set_default_passwd_cb(self->ctx, orig_passwd_cb);
SSL_CTX_set_default_passwd_cb_userdata(self->ctx, orig_passwd_userdata);
+ Py_XDECREF(keyfile_bytes);
PyMem_Free(pw_info.password);
- PyMem_Free(keyfile_bytes);
PyMem_Free(certfile_bytes);
return NULL;
}
--
2.7.4