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Fix regressions introduced by CVE-2014-0191 patch

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A number of issues have been raised after the fix, and this patch
tries to correct all of them, though most were related to
postvalidation.
https://bugzilla.gnome.org/show_bug.cgi?id=730290
and other reports on list, off-list and on Red Hat bugzilla
This commit is contained in:
Daniel Veillard 2014-06-11 16:54:32 +08:00
parent a16eb96807
commit dd8367da17
1 changed files with 11 additions and 2 deletions
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13
parser.c
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@ -2598,8 +2598,8 @@ xmlParserHandlePEReference(xmlParserCtxtPtr ctxt) {
xmlCharEncoding enc;
/*
* Note: external parsed entities will not be loaded, it is
* not required for a non-validating parser, unless the
* Note: external parameter entities will not be loaded, it
* is not required for a non-validating parser, unless the
* option of validating, or substituting entities were
* given. Doing so is far more secure as the parser will
* only process data coming from the document entity by
@ -2608,6 +2608,9 @@ xmlParserHandlePEReference(xmlParserCtxtPtr ctxt) {
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;
@ -12616,6 +12619,9 @@ xmlIOParseDTD(xmlSAXHandlerPtr sax, xmlParserInputBufferPtr input,
return(NULL);
}
/* We are loading a DTD */
ctxt->options |= XML_PARSE_DTDLOAD;
/*
* Set-up the SAX context
*/
@ -12743,6 +12749,9 @@ xmlSAXParseDTD(xmlSAXHandlerPtr sax, const xmlChar *ExternalID,
return(NULL);
}
/* We are loading a DTD */
ctxt->options |= XML_PARSE_DTDLOAD;
/*
* Set-up the SAX context
*/