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Hardening of code checking node types in EXSLT

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This commit is contained in:
Daniel Veillard
2012-08-16 15:51:35 +08:00
parent a2cd8a03ac
commit 2465307222
1 changed files with 4 additions and 2 deletions
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6
libexslt/functions.c
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@@ -459,10 +459,9 @@ exsltFuncFunctionComp (xsltStylesheetPtr style, xmlNodePtr inst) {
xmlHashTablePtr data;
exsltFuncFunctionData *func;
if ((style == NULL) || (inst == NULL))
if ((style == NULL) || (inst == NULL) || (inst->type != XML_ELEMENT_NODE))
return;
{
xmlChar *qname;
@@ -546,6 +545,9 @@ exsltFuncResultComp (xsltStylesheetPtr style, xmlNodePtr inst,
xmlChar *sel;
exsltFuncResultPreComp *ret;
if ((style == NULL) || (inst == NULL) || (inst->type != XML_ELEMENT_NODE))
return (NULL);
/*
* "Validity" checking
*/