From: Michael Wallner <mike@php.net>
Date: Fri, 24 Feb 2006 10:24:43 +0000 (+0000)
Subject: - MF51: fix crash in DOMImplementation::createDocumentType("name:")
X-Git-Tag: RELEASE_1_2~99
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=92f97ce76a551d744e22edb9e5175abf9200540a;p=php

- MF51: fix crash in DOMImplementation::createDocumentType("name:")
---

diff --git a/ext/dom/domimplementation.c b/ext/dom/domimplementation.c
index aa371f8154..f65da0572b 100644
--- a/ext/dom/domimplementation.c
+++ b/ext/dom/domimplementation.c
@@ -92,7 +92,7 @@ PHP_METHOD(domimplementation, createDocumentType)
 		pch2 = systemid;
 
 	uri = xmlParseURI(name);
-	if (uri->opaque != NULL) {
+	if (uri != NULL && uri->opaque != NULL) {
 		localname = xmlStrdup(uri->opaque);
 		if (xmlStrchr(localname, (xmlChar) ':') != NULL) {
 			php_dom_throw_error(NAMESPACE_ERR, 1 TSRMLS_CC);
@@ -108,7 +108,9 @@ PHP_METHOD(domimplementation, createDocumentType)
 	php_dom_throw_error(INVALID_CHARACTER_ERR, TSRMLS_CC);
 	*/
 
-	xmlFreeURI(uri);
+	if (uri) {
+		xmlFreeURI(uri);
+	}
 
 	doctype = xmlCreateIntSubset(NULL, localname, pch1, pch2);
 	xmlFree(localname);