fix bug #61930: openssl corrupts ssl key resource when using openssl_get_publickey()

Author: smalyshev

NEWS

@@ -12,6 +12,10 @@ PHP                                                                        NEWS
 - Mbstring:
   . mb_split() can now handle empty matches like preg_split() does. (Moriyoshi)
 
+- OpenSSL:
+  . Fixed bug #61930 (openssl corrupts ssl key resource when using 
+    openssl_get_publickey()). (Stas)
+
 - SPL:
   . Fixed bug #64228 (RecursiveDirectoryIterator always assumes SKIP_DOTS).
     (patch by kriss@krizalys.com, Laruence)

ext/openssl/openssl.c

@@ -3204,6 +3204,7 @@ PHP_FUNCTION(openssl_pkey_get_public)
 	if (pkey == NULL) {
 		RETURN_FALSE;
 	}
+	zend_list_addref(Z_LVAL_P(return_value));
 }
 /* }}} */
 
@@ -3240,6 +3241,7 @@ PHP_FUNCTION(openssl_pkey_get_private)
 	if (pkey == NULL) {
 		RETURN_FALSE;
 	}
+	zend_list_addref(Z_LVAL_P(return_value));
 }
 
 /* }}} */

ext/openssl/tests/bug61930.phpt

@@ -0,0 +1,24 @@
+--TEST--
+Bug #61930: openssl corrupts ssl key resource when using openssl_get_publickey()
+--SKIPIF--
+<?php
+if (!extension_loaded("openssl")) die("skip");
+?>
+--FILE--
+<?php
+$cert = file_get_contents(__DIR__.'/cert.crt');
+
+$data = <<<DATA
+Please verify me
+DATA;
+
+$sig = 'f9Gyb6NV/ENn7GUa37ygTLcF93XHf5fbFTnoYF/O+fXbq3iChGUbET0RuhOsptlAODi6JsDLnJO4ikcVZo0tC1fFTj3LyCuPy3ZdgJbbVxQ/rviROCmuMFTqUW/Xa2LQYiapeCCgLQeWTLg7TM/BoHEkKbKLG/XT5jHvep1758A=';
+
+$key = openssl_get_publickey($cert);
+var_dump(openssl_get_publickey($key));
+var_dump(openssl_verify($data, base64_decode($sig), $key));
+?>
+--EXPECTF--
+resource(%d) of type (OpenSSL key)
+int(1)
+