Skip some tests if cipher not available

Author: nikic

ext/openssl/tests/bug71917.phpt

@@ -2,6 +2,10 @@
 Bug #71917: openssl_open() returns junk on envelope < 16 bytes
 --EXTENSIONS--
 openssl
+--SKIPIF--
+<?php
+if (!in_array('rc4', openssl_get_cipher_methods())) die('skip rc4 not available');
+?>
 --FILE--
 <?php
 function test($envkey) {

ext/openssl/tests/bug72362.phpt

@@ -2,6 +2,10 @@
 Bug #72362: OpenSSL Blowfish encryption is incorrect for short keys
 --EXTENSIONS--
 openssl
+--SKIPIF--
+<?php
+if (!in_array('bf-ecb', openssl_get_cipher_methods())) die('skip bf-ecb not available');
+?>
 --FILE--
 <?php
 var_dump(

ext/openssl/tests/openssl_decrypt_basic.phpt

@@ -24,10 +24,15 @@ $padded_data = $data . str_repeat(' ', 16 - (strlen($data) % 16));
 $encrypted = openssl_encrypt($padded_data, $method, $password, OPENSSL_RAW_DATA|OPENSSL_ZERO_PADDING, $iv);
 $output = openssl_decrypt($encrypted, $method, $password, OPENSSL_RAW_DATA|OPENSSL_ZERO_PADDING, $iv);
 var_dump(rtrim($output));
-// if we want to prefer variable length cipher setting
-$encrypted = openssl_encrypt($data, "bf-ecb", $password, OPENSSL_DONT_ZERO_PAD_KEY);
-$output = openssl_decrypt($encrypted, "bf-ecb", $password, OPENSSL_DONT_ZERO_PAD_KEY);
-var_dump($output);
+
+if (in_array("bf-ecb", openssl_get_cipher_methods())) {
+    // if we want to prefer variable length cipher setting
+    $encrypted = openssl_encrypt($data, "bf-ecb", $password, OPENSSL_DONT_ZERO_PAD_KEY);
+    $output = openssl_decrypt($encrypted, "bf-ecb", $password, OPENSSL_DONT_ZERO_PAD_KEY);
+    var_dump($output === $data);
+} else {
+    var_dump(true);
+}
 
 // It's okay to pass $tag for a non-authenticated cipher.
 // It will be populated with null in that case.
@@ -39,5 +44,5 @@ var_dump($tag);
 string(45) "openssl_encrypt() and openssl_decrypt() tests"
 string(45) "openssl_encrypt() and openssl_decrypt() tests"
 string(45) "openssl_encrypt() and openssl_decrypt() tests"
-string(45) "openssl_encrypt() and openssl_decrypt() tests"
+bool(true)
 NULL