Prevent unwanted external entity reference
For https://bugzilla.gnome.org/show_bug.cgi?id=780691
* parser.c: add a specific check to avoid PE reference
diff --git a/parser.c b/parser.c
index 609a270..c2c812d 100644
--- a/parser.c
+++ b/parser.c
@@ -8123,6 +8123,15 @@
if (xmlPushInput(ctxt, input) < 0)
return;
} else {
+ if ((entity->etype == XML_EXTERNAL_PARAMETER_ENTITY) &&
+ ((ctxt->options & XML_PARSE_NOENT) == 0) &&
+ ((ctxt->options & XML_PARSE_DTDVALID) == 0) &&
+ ((ctxt->options & XML_PARSE_DTDLOAD) == 0) &&
+ ((ctxt->options & XML_PARSE_DTDATTR) == 0) &&
+ (ctxt->replaceEntities == 0) &&
+ (ctxt->validate == 0))
+ return;
+
/*
* TODO !!!
* handle the extra spaces added before and after