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SAX2: Reenable 'directory' as base URI fallback

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Apparently, some users overwrite this member manually to set a base URI
for memory streams.

Fixes #753.
This commit is contained in:
Nick Wellnhofer 2024-07-03 11:55:38 +02:00
parent 2f6766dba6
commit 4a0d74dcc3
1 changed files with 14 additions and 0 deletions
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14
SAX2.c
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@ -412,6 +412,13 @@ xmlSAX2ResolveEntity(void *ctx, const xmlChar *publicId, const xmlChar *systemId
if (ctxt->input != NULL)
base = BAD_CAST ctxt->input->filename;
/*
* We don't really need the 'directory' struct member, but some
* users set it manually to a base URI for memory streams.
*/
if (base == NULL)
base = BAD_CAST ctxt->directory;
if ((xmlStrlen(systemId) > XML_MAX_URI_LENGTH) ||
(xmlStrlen(base) > XML_MAX_URI_LENGTH)) {
xmlFatalErr(ctxt, XML_ERR_RESOURCE_LIMIT, "URI too long");
@ -574,6 +581,13 @@ xmlSAX2EntityDecl(void *ctx, const xmlChar *name, int type,
}
}
/*
* We don't really need the 'directory' struct member, but some
* users set it manually to a base URI for memory streams.
*/
if (base == NULL)
base = ctxt->directory;
res = xmlBuildURISafe(systemId, (const xmlChar *) base, &URI);
if (URI == NULL) {