Issue #8321: Give access to OpenSSL version numbers from the `ssl` module,

using the new attributes `ssl.OPENSSL_VERSION`, `ssl.OPENSSL_VERSION_INFO`
and `ssl.OPENSSL_VERSION_NUMBER`.

1 files changed, 29 insertions, 1 deletions

diff --git a/Modules/_ssl.c b/Modules/_ssl.c
index 52fdf0ffd3..6befbefc9c 100644
--- a/Modules/_ssl.c
+++ b/Modules/_ssl.c
@@ -1574,7 +1574,9 @@ for documentation.");
 PyMODINIT_FUNC
 init_ssl(void)
 {
-	PyObject *m, *d;
+	PyObject *m, *d, *r;
+	unsigned long libver;
+	unsigned int major, minor, fix, patch, status;
 
 	Py_TYPE(&PySSL_Type) = &PyType_Type;
 
@@ -1644,4 +1646,30 @@ init_ssl(void)
 				PY_SSL_VERSION_SSL23);
 	PyModule_AddIntConstant(m, "PROTOCOL_TLSv1",
 				PY_SSL_VERSION_TLS1);
+
+	/* OpenSSL version */
+	/* SSLeay() gives us the version of the library linked against,
+	   which could be different from the headers version.
+	*/
+	libver = SSLeay();
+	r = PyLong_FromUnsignedLong(libver);
+	if (r == NULL)
+		return;
+	if (PyModule_AddObject(m, "OPENSSL_VERSION_NUMBER", r))
+		return;
+	status = libver & 0xF;
+	libver >>= 4;
+	patch = libver & 0xFF;
+	libver >>= 8;
+	fix = libver & 0xFF;
+	libver >>= 8;
+	minor = libver & 0xFF;
+	libver >>= 8;
+	major = libver & 0xFF;
+	r = Py_BuildValue("IIIII", major, minor, fix, patch, status);
+	if (r == NULL || PyModule_AddObject(m, "OPENSSL_VERSION_INFO", r))
+		return;
+	r = PyString_FromString(SSLeay_version(SSLEAY_VERSION));
+	if (r == NULL || PyModule_AddObject(m, "OPENSSL_VERSION", r))
+		return;
 }