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Fix incorrect error handling in dom_zvals_to_fragment() #10981

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33 changes: 13 additions & 20 deletions ext/dom/parentnode.c
Original file line number Diff line number Diff line change
Expand Up @@ -162,9 +162,8 @@ xmlNode* dom_zvals_to_fragment(php_libxml_ref_obj *document, xmlNode *contextNod
newNode = dom_object_get_node(newNodeObj);

if (newNode->doc != documentNode) {
xmlFree(fragment);
php_dom_throw_error(WRONG_DOCUMENT_ERR, stricterror);
return NULL;
goto err;
}

if (newNode->parent != NULL) {
Expand All @@ -175,10 +174,7 @@ xmlNode* dom_zvals_to_fragment(php_libxml_ref_obj *document, xmlNode *contextNod
xmlSetTreeDoc(newNode, documentNode);

if (newNode->type == XML_ATTRIBUTE_NODE) {
xmlFree(fragment);

php_dom_throw_error(HIERARCHY_REQUEST_ERR, stricterror);
return NULL;
goto hierarchy_request_err;
}

/*
Expand All @@ -191,42 +187,39 @@ xmlNode* dom_zvals_to_fragment(php_libxml_ref_obj *document, xmlNode *contextNod
}

if (!xmlAddChild(fragment, newNode)) {
xmlFree(fragment);
if (nodesc > 1) {
xmlFreeNode(newNode);
}

php_dom_throw_error(HIERARCHY_REQUEST_ERR, stricterror);
return NULL;
goto hierarchy_request_err;
}

continue;
} else {
xmlFree(fragment);

zend_argument_type_error(i + 1, "must be of type DOMNode|string, %s given", zend_zval_type_name(&nodes[i]));
return NULL;
goto err;
}
} else if (Z_TYPE(nodes[i]) == IS_STRING) {
newNode = xmlNewDocText(documentNode, (xmlChar *) Z_STRVAL(nodes[i]));

xmlSetTreeDoc(newNode, documentNode);

if (!xmlAddChild(fragment, newNode)) {
xmlFree(fragment);

return NULL;
xmlFreeNode(newNode);
goto hierarchy_request_err;
}
} else {
xmlFree(fragment);

zend_argument_type_error(i + 1, "must be of type DOMNode|string, %s given", zend_zval_type_name(&nodes[i]));

return NULL;
goto err;
}
}

return fragment;

hierarchy_request_err:
php_dom_throw_error(HIERARCHY_REQUEST_ERR, stricterror);
err:
xmlFreeNode(fragment);
return NULL;
}

static void dom_fragment_assign_parent_node(xmlNodePtr parentNode, xmlNodePtr fragment)
Expand Down