Add PHP Extension for GmSSL

View http://gmssl.org/docs/php-api.html for more info.

php/ext/openssl/tests/bug65538_002.phpt

@@ -0,0 +1,25 @@
+--TEST--
+Bug #65538: SSL context "cafile" disallows URL stream wrappers
+--SKIPIF--
+<?php
+if (!extension_loaded('openssl')) die('skip, openssl required');
+if (getenv("SKIP_ONLINE_TESTS")) die("skip online test");
+?>
+--FILE--
+<?php
+$clientCtx = stream_context_create(['ssl' => [
+	// We don't get any ca list from php.net but it does not matter as we
+	// care about the fact that the external stream is not allowed.
+	// We can't use http://curl.haxx.se/ca/cacert.pem for this test
+	// as it is redirected to https which means the test would depend
+	// on system cafile when opening stream.
+	'cafile' => 'http://www.php.net',
+]]);
+file_get_contents('https://github.com', false, $clientCtx);
+?>
+--EXPECTF--
+Warning: remote cafile streams are disabled for security purposes in %s on line %d
+
+Warning: file_get_contents(): Failed to enable crypto in %s on line %d
+
+Warning: file_get_contents(%s): failed to open stream: operation failed in %s on line %d