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Fix XSD validation of URIs with ampersands

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For https://bugzilla.gnome.org/show_bug.cgi?id=709171

This makes xmlSchemaSAXHandleStartElementNs pass attributes through
xmlStringDecodeEntities, similar to how xmlSchemaVDocWalk passes them
through xmlNodeListGetString.
This commit is contained in:
Alex Henrie 2016-05-02 22:29:59 -06:00 committed by Daniel Veillard
parent a1dca81df7
commit f6599c5164
1 changed files with 10 additions and 3 deletions
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xmlschemas.c
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@ -27382,10 +27382,17 @@ xmlSchemaSAXHandleStartElementNs(void *ctx,
for (j = 0, i = 0; i < nb_attributes; i++, j += 5) {
/*
* Duplicate the value.
* Duplicate the value, changing any &#38; to a literal ampersand.
*
* libxml2 differs from normal SAX here in that it escapes all ampersands
* as &#38; instead of delivering the raw converted string. Changing the
* behavior at this point would break applications that use this API, so
* we are forced to work around it. There is no danger of accidentally
* decoding some entity other than &#38; in this step because without
* unescaped ampersands there can be no other entities in the string.
*/
value = xmlStrndup(attributes[j+3],
attributes[j+4] - attributes[j+3]);
value = xmlStringLenDecodeEntities(vctxt->parserCtxt, attributes[j+3],
attributes[j+4] - attributes[j+3], XML_SUBSTITUTE_REF, 0, 0, 0);
/*
* TODO: Set the node line.
*/