Issue #8813: X509_VERIFY_PARAM is only available on OpenSSL 0.9.8+

The patch removes the verify_flags feature on Mac OS X 10.4 with OpenSSL 0.9.7l 28 Sep 2006.

Doc/library/ssl.rst

@@ -1126,6 +1126,7 @@ to speed up repeated connections from the same clients.
    The flags for certificate verification operations. You can set flags like
    :data:`VERIFY_CRL_CHECK_LEAF` by ORing them together. By default OpenSSL
    does neither require nor verify certificate revocation lists (CRLs).
+   Available only with openssl version 0.9.8+.
 
    .. versionadded:: 3.4
 

Lib/test/test_ssl.py

@@ -82,6 +82,10 @@ def no_sslv2_implies_sslv3_hello():
     # 0.9.7h or higher
     return ssl.OPENSSL_VERSION_INFO >= (0, 9, 7, 8, 15)
 
+def have_verify_flags():
+    # 0.9.8 or higher
+    return ssl.OPENSSL_VERSION_INFO >= (0, 9, 8, 0, 15)
+
 def asn1time(cert_time):
     # Some versions of OpenSSL ignore seconds, see #18207
     # 0.9.8.i
@@ -667,6 +671,8 @@ class ContextTests(unittest.TestCase):
         with self.assertRaises(ValueError):
             ctx.verify_mode = 42
 
+    @unittest.skipUnless(have_verify_flags(),
+                         "verify_flags need OpenSSL > 0.9.8")
     def test_verify_flags(self):
         ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
         # default value by OpenSSL
@@ -1809,6 +1815,8 @@ else:
                 self.assertLess(before, after)
                 s.close()
 
+        @unittest.skipUnless(have_verify_flags(),
+                            "verify_flags need OpenSSL > 0.9.8")
         def test_crl_check(self):
             if support.verbose:
                 sys.stdout.write("\n")

Modules/_ssl.c

@@ -198,6 +198,11 @@ static unsigned int _ssl_locks_count = 0;
 # define OPENSSL_NO_COMP
 #endif
 
+/* X509_VERIFY_PARAM got added to OpenSSL in 0.9.8 */
+#if OPENSSL_VERSION_NUMBER >= 0x0090800fL
+# define HAVE_OPENSSL_VERIFY_PARAM
+#endif
+
 
 typedef struct {
     PyObject_HEAD
@@ -2230,6 +2235,7 @@ set_verify_mode(PySSLContext *self, PyObject *arg, void *c)
     return 0;
 }
 
+#ifdef HAVE_OPENSSL_VERIFY_PARAM
 static PyObject *
 get_verify_flags(PySSLContext *self, void *c)
 {
@@ -2267,6 +2273,7 @@ set_verify_flags(PySSLContext *self, PyObject *arg, void *c)
     }
     return 0;
 }
+#endif
 
 static PyObject *
 get_options(PySSLContext *self, void *c)
@@ -3088,8 +3095,10 @@ get_ca_certs(PySSLContext *self, PyObject *args, PyObject *kwds)
 static PyGetSetDef context_getsetlist[] = {
     {"options", (getter) get_options,
                 (setter) set_options, NULL},
+#ifdef HAVE_OPENSSL_VERIFY_PARAM
     {"verify_flags", (getter) get_verify_flags,
                      (setter) set_verify_flags, NULL},
+#endif
     {"verify_mode", (getter) get_verify_mode,
                     (setter) set_verify_mode, NULL},
     {NULL},            /* sentinel */