Fix mysqli ssl tests

First, make sure the tests are skipped if we connect via unix
socket, as we can't use SSL in that case.

Second, use a cipher that is not blacklisted in current MySQL
versions.

Author: nikic

ext/mysqli/tests/bug51647.phpt

@@ -12,6 +12,9 @@ if ($IS_MYSQLND && !extension_loaded("openssl"))
 if (!($link = @my_mysqli_connect($host, $user, $passwd, $db, $port, $socket)))
 	die(sprintf("skip Connect failed, [%d] %s", mysqli_connect_errno(), mysqli_connect_error()));
 
+if (false === strpos($link->host_info, 'TCP/IP'))
+	die(sprintf("skip SSL only supported on TCP/IP"));
+
 $row = NULL;
 if ($res = $link->query('SHOW VARIABLES LIKE "have_ssl"')) {
 	$row = $res->fetch_row();

ext/mysqli/tests/bug55283.phpt

@@ -12,6 +12,9 @@ if ($IS_MYSQLND && !extension_loaded("openssl"))
 if (!($link = @my_mysqli_connect($host, $user, $passwd, $db, $port, $socket)))
 	die(sprintf("skip Connect failed, [%d] %s", mysqli_connect_errno(), mysqli_connect_error()));
 
+if (false === strpos($link->host_info, 'TCP/IP'))
+	die(sprintf("skip SSL only supported on TCP/IP"));
+
 $row = NULL;
 if ($res = $link->query('SHOW VARIABLES LIKE "have_ssl"')) {
 	$row = $res->fetch_row();
@@ -36,22 +39,22 @@ $link->close();
 ?>
 --FILE--
 <?php
-	include "connect.inc";
+	require_once "connect.inc";
 	$db1 = new mysqli();
 
 
 	$flags = MYSQLI_CLIENT_SSL | MYSQLI_CLIENT_SSL_DONT_VERIFY_SERVER_CERT;
 
 	$link = mysqli_init();
-	mysqli_ssl_set($link, null, null, null, null, "RC4-MD5");
+	mysqli_ssl_set($link, null, null, null, null, "AES256-SHA");
 	if (my_mysqli_real_connect($link, 'p:' . $host, $user, $passwd, $db, $port, null, $flags)) {
 		$r = $link->query("SHOW STATUS LIKE 'Ssl_cipher'");
 		var_dump($r->fetch_row());
 	}
 
 	/* non-persistent connection */
 	$link2 = mysqli_init();
-	mysqli_ssl_set($link2, null, null, null, null, "RC4-MD5");
+	mysqli_ssl_set($link2, null, null, null, null, "AES256-SHA");
 	if (my_mysqli_real_connect($link2, $host, $user, $passwd, $db, $port, null, $flags)) {
 		$r2 = $link2->query("SHOW STATUS LIKE 'Ssl_cipher'");
 		var_dump($r2->fetch_row());
@@ -64,12 +67,12 @@ array(2) {
   [0]=>
   string(10) "Ssl_cipher"
   [1]=>
-  string(7) "RC4-MD5"
+  string(10) "AES256-SHA"
 }
 array(2) {
   [0]=>
   string(10) "Ssl_cipher"
   [1]=>
-  string(7) "RC4-MD5"
+  string(10) "AES256-SHA"
 }
 done