Fixed bug #27498 (bogus safe_mode error on nonexistent directories for

chdir() and opendir() functions).

ext/standard/dir.c

@@ -283,7 +283,7 @@ PHP_FUNCTION(chdir)
 		RETURN_FALSE;
 	}
 
-	if (PG(safe_mode) && !php_checkuid(str, NULL, CHECKUID_ALLOW_ONLY_FILE)) {
+	if (PG(safe_mode) && !php_checkuid(str, NULL, CHECKUID_CHECK_FILE_AND_DIR)) {
 		RETURN_FALSE;
 	}
 	ret = VCWD_CHDIR(str);

main/streams/plain_wrapper.c

@@ -856,7 +856,7 @@ static php_stream *php_plain_files_dir_opener(php_stream_wrapper *wrapper, char
 		return NULL;
 	}
 	
-	if (PG(safe_mode) &&(!php_checkuid(path, NULL, CHECKUID_ALLOW_ONLY_FILE))) {
+	if (PG(safe_mode) &&(!php_checkuid(path, NULL, CHECKUID_CHECK_FILE_AND_DIR))) {
 		return NULL;
 	}