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authorBenjamin Peterson <benjamin@python.org>2015-03-05 03:11:12 (GMT)
committerBenjamin Peterson <benjamin@python.org>2015-03-05 03:11:12 (GMT)
commitfdb19715879babc580f63bc129f5b0ff46482d1c (patch)
tree50e088b1c0aa68d951b84184b1a5ae0d77552c2e /Modules/_ssl.c
parent20f4bd4a043bded930c1c21befe28d9c79ea044b (diff)
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enable X509_V_FLAG_TRUSTED_FIRST when possible (closes #23476)
Diffstat (limited to 'Modules/_ssl.c')
-rw-r--r--Modules/_ssl.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/Modules/_ssl.c b/Modules/_ssl.c
index e7ba583..a5b94eb 100644
--- a/Modules/_ssl.c
+++ b/Modules/_ssl.c
@@ -2063,6 +2063,15 @@ context_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
sizeof(SID_CTX));
#undef SID_CTX
+#ifdef X509_V_FLAG_TRUSTED_FIRST
+ {
+ /* Improve trust chain building when cross-signed intermediate
+ certificates are present. See https://bugs.python.org/issue23476. */
+ X509_STORE *store = SSL_CTX_get_cert_store(self->ctx);
+ X509_STORE_set_flags(store, X509_V_FLAG_TRUSTED_FIRST);
+ }
+#endif
+
return (PyObject *)self;
}