From: Ilia Alshanetsky <iliaa@php.net>
Date: Wed, 22 Nov 2006 17:30:52 +0000 (+0000)
Subject: MFB: Fixed a possible crash in dbase_open() on empty filename.
X-Git-Tag: RELEASE_1_0_0RC1~939
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=2dbccb34d4b1acc83e45c8238630dfff8aea57c7;p=php

MFB: Fixed a possible crash in dbase_open() on empty filename.
---

diff --git a/ext/dbase/dbase.c b/ext/dbase/dbase.c
index 9afe7b0f9a..23fd5eb629 100644
--- a/ext/dbase/dbase.c
+++ b/ext/dbase/dbase.c
@@ -128,6 +128,11 @@ PHP_FUNCTION(dbase_open)
 	convert_to_string_ex(dbf_name);
 	convert_to_long_ex(options);
 
+	if (!Z_STRLEN_PP(dbf_name)) {
+		php_error_docref(NULL TSRMLS_CC, E_WARNING, "The filename cannot be empty.");
+		RETURN_FALSE;
+	}
+
 	if (Z_LVAL_PP(options) == 1) {
 		php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot open %s in write-only mode", Z_STRVAL_PP(dbf_name));
 		RETURN_FALSE;