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| author | Daniel Veillard <veillard@redhat.com> | 2011-08-18 17:10:13 +0800 |
|---|---|---|
| committer | Daniel Veillard <veillard@redhat.com> | 2011-08-19 11:07:51 +0800 |
| commit | f5048b3e71fc30ad096970b8df6e7af073bae4cb (patch) | |
| tree | 65da4d67bbb6880e4afd0e073465180f90a32004 /include | |
| parent | 69f04562f75212bfcabecd190ea8b06ace28ece2 (diff) | |
| download | libxml2-f5048b3e71fc30ad096970b8df6e7af073bae4cb.tar.gz | |
Hardening of XPath evaluation
Add a mechanism of frame for XPath evaluation when entering a function
or a scoped evaluation, also fix a potential problem in predicate
evaluation.
Diffstat (limited to 'include')
| -rw-r--r-- | include/libxml/xpath.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/libxml/xpath.h b/include/libxml/xpath.h index 1a9e30eb..ddd9dd82 100644 --- a/include/libxml/xpath.h +++ b/include/libxml/xpath.h @@ -68,7 +68,8 @@ typedef enum { XPATH_UNDEF_PREFIX_ERROR, XPATH_ENCODING_ERROR, XPATH_INVALID_CHAR_ERROR, - XPATH_INVALID_CTXT + XPATH_INVALID_CTXT, + XPATH_STACK_ERROR } xmlXPathError; /* @@ -380,6 +381,8 @@ struct _xmlXPathParserContext { xmlXPathCompExprPtr comp; /* the precompiled expression */ int xptr; /* it this an XPointer expression */ xmlNodePtr ancestor; /* used for walking preceding axis */ + + int valueFrame; /* used to limit Pop on the stack */ }; /************************************************************************ |