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| author | Daniel Veillard <veillard@redhat.com> | 2012-08-16 15:51:35 +0800 |
|---|---|---|
| committer | Daniel Veillard <veillard@redhat.com> | 2012-08-16 15:51:35 +0800 |
| commit | 24653072221e76d2f1f06aa71225229b532f8946 (patch) | |
| tree | 12cfeb41cd6052126b8325a087eb7e77e89042bb | |
| parent | a2cd8a03ac2ae0b46b51320f6f56f09c23880d7a (diff) | |
| download | libxslt-24653072221e76d2f1f06aa71225229b532f8946.tar.gz libxslt-24653072221e76d2f1f06aa71225229b532f8946.tar.bz2 libxslt-24653072221e76d2f1f06aa71225229b532f8946.zip | |
Hardening of code checking node types in EXSLT
| -rw-r--r-- | libexslt/functions.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/libexslt/functions.c b/libexslt/functions.c index 13fd06ee..4c68cea9 100644 --- a/libexslt/functions.c +++ b/libexslt/functions.c @@ -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 */ |